/* ==========================================================================
   FAMIFARM - PREMIUM WORDPRESS STYLE DESIGN SYSTEM
   Modern Organic Luxury | Biophilic & Sustainable Agricultural Living
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Playfair+Display:ital,wght@0,600;0,700;1,400;1,600&family=Plus+Jakarta+Sans:wght@400;500;600;700;800&display=swap');

:root {
  /* Core Color Palette */
  --primary-950: #0a1b13;
  --primary-900: #112d20;
  --primary-800: #183b2b;
  --primary-700: #1f4d38;
  --primary-600: #29684b;
  --primary-500: #358561;
  --primary-400: #4ba67d;
  --primary-100: #e3f2eb;
  --primary-50:  #f0f7f3;

  /* Accent Colors */
  --accent-gold: #c99338;
  --accent-gold-light: #e8b85d;
  --accent-gold-soft: #fcf6e8;
  --accent-terracotta: #c46231;
  --accent-terracotta-light: #ea7f4d;

  /* Neutrals & Surfaces */
  --bg-page: #f7f9f6;
  --bg-surface: #ffffff;
  --bg-surface-elevated: #ffffff;
  --bg-card: #ffffff;
  --text-main: #16261d;
  --text-secondary: #4a6354;
  --text-muted: #738c7d;
  --text-inverse: #ffffff;

  /* Borders & Shadows */
  --border-light: rgba(24, 59, 43, 0.08);
  --border-medium: rgba(24, 59, 43, 0.16);
  --border-gold: rgba(201, 147, 56, 0.35);

  --shadow-sm: 0 2px 8px rgba(16, 45, 32, 0.04);
  --shadow-md: 0 8px 24px rgba(16, 45, 32, 0.07);
  --shadow-lg: 0 16px 40px rgba(16, 45, 32, 0.1);
  --shadow-xl: 0 24px 60px rgba(16, 45, 32, 0.14);
  --shadow-glow: 0 0 35px rgba(53, 133, 97, 0.25);
  --shadow-gold-glow: 0 10px 30px rgba(201, 147, 56, 0.25);

  /* Typography */
  --font-heading: 'Plus Jakarta Sans', -apple-system, sans-serif;
  --font-body: 'Inter', -apple-system, sans-serif;
  --font-serif: 'Playfair Display', Georgia, serif;

  /* Transitions & Layout */
  --transition-fast: 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-normal: 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-slow: 0.6s cubic-bezier(0.16, 1, 0.3, 1);
  --container-max: 1240px;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-full: 9999px;
}

/* ==================== Reset & Global Settings ==================== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  color: var(--text-main);
  background-color: var(--bg-page);
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition-fast);
}

ul, ol {
  list-style: none;
}

button, input, select, textarea {
  font: inherit;
}

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
}

/* Typography Helpers */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--primary-900);
  line-height: 1.25;
}

.serif-accent {
  font-family: var(--font-serif);
  font-weight: 600;
  font-style: italic;
  color: var(--accent-gold);
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  background: var(--primary-50);
  border: 1px solid var(--border-medium);
  color: var(--primary-700);
  font-family: var(--font-heading);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.section-tag::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background-color: var(--accent-gold);
}

.section-header {
  text-align: center;
  max-width: 780px;
  margin: 0 auto 54px;
}

.section-title {
  font-size: 2.35rem;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.section-desc {
  font-size: 1.08rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ==================== Buttons & Badges ==================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 28px;
  border-radius: var(--radius-full);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.96rem;
  cursor: pointer;
  border: none;
  outline: none;
  transition: all var(--transition-fast);
  text-decoration: none;
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary-700) 0%, var(--primary-900) 100%);
  color: var(--text-inverse);
  box-shadow: 0 8px 20px rgba(24, 59, 43, 0.28);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(24, 59, 43, 0.38);
  color: var(--text-inverse);
}

.btn-gold {
  background: linear-gradient(135deg, var(--accent-gold-light) 0%, var(--accent-gold) 100%);
  color: #1a1608;
  box-shadow: var(--shadow-gold-glow);
  font-weight: 700;
}

.btn-gold:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 32px rgba(201, 147, 56, 0.4);
  color: #0d0b04;
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.95);
  color: var(--primary-900);
  border: 1px solid var(--border-medium);
  box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
  background: #ffffff;
  border-color: var(--primary-600);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-sm {
  padding: 8px 18px;
  font-size: 0.86rem;
}

/* ==================== Top Bar & Header Navigation ==================== */
.topbar {
  background: var(--primary-950);
  color: rgba(255, 255, 255, 0.85);
  font-size: 0.84rem;
  padding: 8px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.topbar-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.topbar-left {
  display: flex;
  align-items: center;
  gap: 20px;
}

.topbar-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.topbar-badge {
  background: rgba(201, 147, 56, 0.2);
  color: var(--accent-gold-light);
  border: 1px solid rgba(201, 147, 56, 0.35);
  padding: 2px 8px;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: 18px;
}

.topbar-link {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  color: rgba(255, 255, 255, 0.8);
  font-weight: 500;
}

.topbar-link:hover {
  color: var(--accent-gold-light);
}

/* Main Header */
.main-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border-light);
  transition: all var(--transition-normal);
}

.main-header.scrolled {
  background: rgba(255, 255, 255, 0.98);
  box-shadow: var(--shadow-md);
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 82px;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
}

.brand-logo-img {
  height: 54px;
  width: auto;
  max-width: 140px;
  object-fit: contain;
  display: block;
  transition: transform var(--transition-fast);
}

.brand-logo:hover .brand-logo-img {
  transform: scale(1.02);
}

.logo-symbol {
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, var(--primary-800), var(--primary-600));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  box-shadow: 0 6px 16px rgba(24, 59, 43, 0.25);
  font-size: 1.4rem;
}

.logo-text-wrap {
  display: flex;
  flex-direction: column;
}

.logo-title {
  font-family: var(--font-heading);
  font-size: 1.55rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--primary-900);
  line-height: 1;
}

.logo-title span {
  color: var(--accent-gold);
}

.logo-slogan {
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-secondary);
  font-weight: 600;
  margin-top: 4px;
}

/* Navigation Menu (1 Single Row) */
.nav-menu {
  display: flex;
  align-items: center;
  gap: 18px;
  white-space: nowrap;
  flex-wrap: nowrap;
}

.nav-divider {
  color: var(--border-medium);
  font-size: 0.85rem;
  user-select: none;
  opacity: 0.6;
}

.nav-item {
  position: relative;
  flex-shrink: 0;
}

.nav-link {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.94rem;
  color: var(--text-main);
  padding: 10px 0;
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.nav-link:hover, .nav-item.active .nav-link {
  color: var(--primary-600);
}

.nav-link svg {
  transition: transform var(--transition-fast);
}

.nav-item:hover .nav-link svg {
  transform: rotate(180deg);
}

/* Dropdown Menu */
.dropdown-menu {
  position: absolute;
  top: 100%;
  left: -20px;
  background: #ffffff;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--border-light);
  min-width: 260px;
  padding: 10px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: all var(--transition-normal);
  z-index: 100;
}

.nav-item:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.nav-item:last-child .dropdown-menu {
  left: auto;
  right: -10px;
}

.dropdown-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  color: var(--text-main);
  font-size: 0.9rem;
  font-weight: 500;
}

.dropdown-link:hover {
  background: var(--primary-50);
  color: var(--primary-700);
}

.dropdown-icon {
  width: 32px;
  height: 32px;
  background: var(--primary-100);
  color: var(--primary-700);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.95rem;
}

.header-cta-group {
  display: flex;
  align-items: center;
  gap: 16px;
}

.header-hotline {
  display: flex;
  align-items: center;
  gap: 10px;
  padding-right: 16px;
  border-right: 1px solid var(--border-medium);
}

.hotline-icon {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--accent-gold-soft);
  color: var(--accent-gold);
  border: 1px solid var(--border-gold);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
}

.hotline-info {
  display: flex;
  flex-direction: column;
}

.hotline-label {
  font-size: 0.72rem;
  color: var(--text-muted);
  text-transform: uppercase;
  font-weight: 600;
}

.hotline-number {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.96rem;
  color: var(--primary-900);
}

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  color: var(--primary-900);
}

/* ==================== Khối 1: Hero Banner ==================== */
.hero-section {
  position: relative;
  padding: 70px 0 90px;
  background: radial-gradient(circle at 80% 20%, rgba(53, 133, 97, 0.12) 0%, transparent 60%),
              radial-gradient(circle at 10% 80%, rgba(201, 147, 56, 0.08) 0%, transparent 50%),
              var(--bg-page);
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 48px;
  align-items: center;
}

.hero-content {
  max-width: 650px;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: rgba(201, 147, 56, 0.12);
  border: 1px solid rgba(201, 147, 56, 0.35);
  color: var(--accent-gold);
  font-size: 0.84rem;
  font-weight: 700;
  border-radius: var(--radius-full);
  margin-bottom: 20px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.hero-title {
  font-size: 3.1rem;
  letter-spacing: -0.03em;
  line-height: 1.15;
  color: var(--primary-950);
  margin-bottom: 22px;
}

.hero-title .highlight {
  color: var(--primary-600);
  position: relative;
  display: inline-block;
}

.hero-title .highlight::after {
  content: "";
  position: absolute;
  bottom: 4px;
  left: 0;
  width: 100%;
  height: 8px;
  background: rgba(201, 147, 56, 0.22);
  z-index: -1;
  border-radius: 4px;
}

.hero-title .highlight-green {
  color: var(--primary-600); /* Tone xanh lá đậm chính của website (#29684b) */
  font-weight: 800;
  position: relative;
  display: inline;
}

.hero-title .highlight-green::after {
  content: "";
  position: absolute;
  bottom: 2px;
  left: 0;
  width: 100%;
  height: 6px;
  background: rgba(41, 104, 75, 0.25);
  z-index: -1;
  border-radius: 3px;
}

.hero-sub {
  font-size: 1.12rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 34px;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 44px;
  flex-wrap: wrap;
}

.hero-trust-badges {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  padding-top: 24px;
  border-top: 1px solid var(--border-medium);
}

.trust-badge-item {
  display: flex;
  flex-direction: column;
}

.trust-number {
  font-family: var(--font-heading);
  font-size: 1.85rem;
  font-weight: 800;
  color: var(--primary-700);
  line-height: 1.1;
}

.trust-number span {
  color: var(--accent-gold);
}

.trust-desc {
  font-size: 0.82rem;
  color: var(--text-muted);
  font-weight: 500;
  margin-top: 4px;
  line-height: 1.35;
}

/* Hero Visual Art / 3D Card Presentation */
.hero-visual {
  position: relative;
}

.hero-card-main {
  background: #ffffff;
  border-radius: var(--radius-xl);
  padding: 16px;
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--border-light);
  position: relative;
}

.hero-image-wrapper {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  height: 440px;
  background: #112d20;
  display: block;
}

.hero-photo-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
  transition: transform var(--transition-slow);
}

.hero-card-main:hover .hero-photo-img {
  transform: scale(1.03);
}

.hero-floating-card {
  position: absolute;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(12px);
  padding: 14px 20px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  gap: 14px;
  animation: floatSlow 5s ease-in-out infinite;
  z-index: 5;
}

.floating-card-1 {
  top: -20px;
  right: -20px;
}

.floating-card-2 {
  bottom: -20px;
  left: -20px;
  animation-delay: 2.5s;
}

.floating-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
}

.floating-icon.green {
  background: var(--primary-100);
  color: var(--primary-700);
}

.floating-icon.gold {
  background: var(--accent-gold-soft);
  color: var(--accent-gold);
}

.floating-text h5 {
  font-size: 0.92rem;
  font-weight: 700;
  margin-bottom: 2px;
}

.floating-text p {
  font-size: 0.78rem;
  color: var(--text-muted);
}

@keyframes floatSlow {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

/* ==================== Khối 2: Định nghĩa Famifarm ==================== */
.section-definition {
  padding: 100px 0;
  background: #ffffff;
  border-top: 1px solid var(--border-light);
}

.definition-comparison {
  background: var(--bg-page);
  border-radius: var(--radius-xl);
  padding: 40px;
  border: 1px solid var(--border-light);
  margin-bottom: 60px;
}

.comparison-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}

.comparison-col {
  padding: 28px;
  border-radius: var(--radius-md);
}

.comparison-col.traditional {
  background: rgba(0, 0, 0, 0.02);
  border: 1px dashed rgba(0, 0, 0, 0.12);
}

.comparison-col.famifarm {
  background: #ffffff;
  border: 1px solid var(--primary-400);
  box-shadow: var(--shadow-md);
}

.col-badge {
  display: inline-block;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  margin-bottom: 14px;
}

.col-badge.gray {
  background: #e2e8f0;
  color: #475569;
}

.col-badge.green {
  background: var(--primary-100);
  color: var(--primary-700);
}

.col-title {
  font-size: 1.3rem;
  margin-bottom: 14px;
}

.col-list li {
  position: relative;
  padding-left: 26px;
  font-size: 0.94rem;
  color: var(--text-secondary);
  margin-bottom: 12px;
}

.col-list li::before {
  position: absolute;
  left: 0;
  top: 0;
  font-weight: bold;
}

.comparison-col.traditional .col-list li::before {
  content: "✕";
  color: #dc2626;
}

.comparison-col.famifarm .col-list li::before {
  content: "✓";
  color: var(--primary-600);
}

/* 3 Core Pillars */
.pillars-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.pillar-card {
  background: var(--bg-page);
  border-radius: var(--radius-lg);
  padding: 36px 30px;
  border: 1px solid var(--border-light);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.pillar-card:hover {
  transform: translateY(-6px);
  background: #ffffff;
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-400);
}

.pillar-number {
  position: absolute;
  right: 20px;
  top: 20px;
  font-family: var(--font-heading);
  font-size: 3.5rem;
  font-weight: 800;
  color: rgba(24, 59, 43, 0.04);
  line-height: 1;
}

.pillar-icon {
  width: 58px;
  height: 58px;
  border-radius: var(--radius-md);
  background: var(--primary-100);
  color: var(--primary-700);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  margin-bottom: 22px;
}

.pillar-title {
  font-size: 1.3rem;
  margin-bottom: 12px;
}

.pillar-desc {
  font-size: 0.94rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

/* ==================== Khối 3: Famifarm dành cho ai? ==================== */
.section-audience {
  padding: 100px 0;
  background: var(--bg-page);
}

.audience-tabs {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.audience-tab-btn {
  padding: 12px 24px;
  border-radius: var(--radius-full);
  background: #ffffff;
  border: 1px solid var(--border-medium);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.92rem;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.audience-tab-btn:hover {
  border-color: var(--primary-600);
  color: var(--primary-700);
}

.audience-tab-btn.active {
  background: var(--primary-800);
  color: #ffffff;
  border-color: var(--primary-800);
  box-shadow: 0 6px 18px rgba(24, 59, 43, 0.22);
}

.audience-cards-container {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 28px;
  width: 100%;
}

/* Tab Tất cả không gian: Hàng trên 3 ô, hàng dưới 2 ô cân đối */
.audience-cards-container.view-all .audience-card {
  flex: 0 0 calc(33.333% - 19px);
  max-width: calc(33.333% - 19px);
  min-width: 300px;
}

/* Hàng dưới 2 ô (ô 4 và ô 5): Rộng hơn một chút và cân đối ở giữa */
.audience-cards-container.view-all .audience-card:nth-child(4),
.audience-cards-container.view-all .audience-card:nth-child(5) {
  flex: 0 0 calc(36% - 14px);
  max-width: calc(36% - 14px);
}

/* Thẻ Không Gian */
.audience-card {
  background: #ffffff;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-light);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.05);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal), border-color var(--transition-normal);
  position: relative;
}

.audience-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 12px 28px rgba(24, 59, 43, 0.12);
  border-color: var(--primary-400);
}

/* Khối Ảnh Minh Họa */
.audience-card-media {
  position: relative;
  width: 100%;
  height: 200px;
  overflow: hidden;
  background: #eef2ed;
}

.audience-card-media .audience-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.5s ease;
}

.audience-card:hover .audience-card-media .audience-img {
  transform: scale(1.05);
}

.audience-media-badge {
  position: absolute;
  top: 12px;
  right: 12px;
  background: rgba(24, 59, 43, 0.85);
  backdrop-filter: blur(4px);
  color: #ffffff;
  font-size: 0.72rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  letter-spacing: 0.03em;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.audience-media-badge::before {
  content: "📷";
  font-size: 0.7rem;
}

/* Thân Thẻ */
.audience-card-body {
  padding: 24px 22px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.audience-title {
  font-size: 1.25rem;
  color: var(--primary-900);
  font-weight: 700;
  margin-bottom: 16px;
  line-height: 1.35;
}

/* Danh sách 2 mục ở Tab Tất cả: Đặc điểm & Nhu cầu */
.audience-info-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 18px;
  flex-grow: 1;
}

.audience-info-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.info-tag {
  display: inline-block;
  align-self: flex-start;
  font-size: 0.74rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 3px 8px;
  border-radius: 4px;
}

.tag-feature {
  background: rgba(41, 104, 75, 0.1);
  color: var(--primary-700);
  border-left: 3px solid var(--primary-600);
}

.tag-need {
  background: rgba(30, 110, 160, 0.1);
  color: #175a85;
  border-left: 3px solid #1e6ea0;
}

.audience-info-text {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.55;
  margin: 0;
}

/* Nút Chuyển Xem Chi Tiết ở Tab Tất Cả */
.btn-detail-trigger {
  width: 100%;
  padding: 10px 16px;
  background: rgba(41, 104, 75, 0.08);
  color: var(--primary-800);
  border: 1px solid rgba(41, 104, 75, 0.22);
  border-radius: var(--radius-full);
  font-size: 0.84rem;
  font-weight: 700;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  transition: all var(--transition-fast);
}

.btn-detail-trigger:hover {
  background: var(--primary-800);
  color: #ffffff;
  border-color: var(--primary-800);
  box-shadow: 0 4px 14px rgba(24, 59, 43, 0.2);
  transform: translateY(-1px);
}

/* Chân Thẻ */
.audience-footer {
  margin-top: auto;
  padding-top: 14px;
  border-top: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ==================== ẨN/HIỆN NỘI DUNG SUMMARY & DETAIL ==================== */
/* 1. Ở Tab Tất Cả Không Gian (.view-all): */
.audience-cards-container.view-all .audience-summary-content {
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.audience-cards-container.view-all .audience-detail-content {
  display: none !important;
}

/* 2. Ở Tab Chi Tiết (.detail-view): ẨN ĐẶC ĐIỂM VÀ NHU CẦU, HIỂN THỊ PHÂN TÍCH GIẢI PHÁP */
.audience-cards-container.detail-view .audience-summary-content {
  display: none !important;
}

.audience-cards-container.detail-view .audience-detail-content {
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

/* Giao diện Thẻ ở Tab Chi Tiết (Full Featured View) */
.audience-cards-container.detail-view {
  display: flex;
  justify-content: center;
}

.audience-cards-container.detail-view .audience-card {
  flex: 0 0 100%;
  max-width: 1040px;
  display: grid;
  grid-template-columns: 40% 60%;
  box-shadow: 0 18px 40px rgba(24, 59, 43, 0.16);
  border-color: var(--primary-400);
}

.audience-cards-container.detail-view .audience-card-media {
  height: 100%;
  min-height: 480px;
}

.audience-cards-container.detail-view .audience-card-body {
  padding: 34px 32px;
}

.audience-cards-container.detail-view .audience-title {
  font-size: 1.65rem;
  margin-bottom: 20px;
  color: var(--primary-900);
  padding-bottom: 12px;
  border-bottom: 2px solid rgba(41, 104, 75, 0.12);
}

/* Khối Phân Tích Chuyên Sâu Giải Pháp Famifarm */
.solution-analysis-box {
  background: rgba(41, 104, 75, 0.035);
  border: 1px solid rgba(41, 104, 75, 0.18);
  border-radius: var(--radius-md);
  padding: 22px 22px 18px;
  margin-bottom: 22px;
}

.solution-analysis-badge {
  font-size: 0.82rem;
  font-weight: 800;
  color: var(--primary-800);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 16px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(41, 104, 75, 0.08);
  padding: 4px 12px;
  border-radius: var(--radius-full);
}

.solution-analysis-grid {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.analysis-point {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.analysis-point-title {
  font-size: 1.02rem;
  color: var(--primary-900);
  font-weight: 700;
  margin: 0 0 4px;
}

.analysis-point-list {
  list-style: none;
  padding-left: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.analysis-point-list li {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
  position: relative;
  padding-left: 18px;
}

.analysis-point-list li::before {
  content: "✔";
  position: absolute;
  left: 0;
  top: 1px;
  font-size: 0.76rem;
  color: var(--primary-600);
  font-weight: 800;
}

.analysis-point-list li strong {
  color: var(--primary-900);
}

/* Khối Dẫn Link Mô Hình Mẫu Tương Ứng */
.model-reference-card {
  background: linear-gradient(135deg, rgba(212, 143, 56, 0.08) 0%, rgba(41, 104, 75, 0.06) 100%);
  border: 1.5px solid rgba(212, 143, 56, 0.35);
  border-radius: var(--radius-md);
  padding: 18px 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-top: auto;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.04);
}

.model-ref-left {
  flex: 1;
}

.model-ref-tag {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  color: #925807;
  background: rgba(212, 143, 56, 0.16);
  padding: 2px 8px;
  border-radius: 4px;
  margin-bottom: 6px;
  letter-spacing: 0.04em;
}

.model-ref-title {
  font-size: 1.25rem;
  color: var(--primary-900);
  font-weight: 800;
  margin: 0 0 4px;
}

.model-ref-desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.5;
  margin: 0;
}

.model-ref-right {
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex-shrink: 0;
}

.model-ref-right .btn {
  white-space: nowrap;
  font-size: 0.86rem;
  padding: 9px 16px;
}

/* ==================== Khối 4: Cơ chế Vận hành (POT 220L) ==================== */
.section-operation {
  padding: 100px 0;
  background: #ffffff;
  position: relative;
}

/* Khối Ảnh & Phân Tích Cấu Trúc 1 Module Chậu Famifarm POT 220L */
.pot-hero-visual-card {
  display: grid;
  grid-template-columns: 42% 58%;
  gap: 36px;
  background: #ffffff;
  border-radius: var(--radius-xl);
  border: 1px solid var(--border-light);
  box-shadow: 0 10px 30px rgba(24, 59, 43, 0.08);
  padding: 32px;
  margin-bottom: 50px;
  align-items: center;
}

.pot-hero-img-box {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: #f4f6f3;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
}

.pot-hero-img {
  width: 100%;
  height: auto;
  max-height: 520px;
  object-fit: cover;
  object-position: center;
  display: block;
  transition: transform 0.5s ease;
}

.pot-hero-visual-card:hover .pot-hero-img {
  transform: scale(1.02);
}

.pot-hero-badge {
  position: absolute;
  bottom: 16px;
  left: 16px;
  background: rgba(24, 59, 43, 0.92);
  backdrop-filter: blur(4px);
  color: #ffffff;
  font-size: 0.76rem;
  font-weight: 700;
  padding: 5px 14px;
  border-radius: var(--radius-full);
  letter-spacing: 0.03em;
}

.pot-hero-info {
  display: flex;
  flex-direction: column;
}

.pot-hero-tag {
  font-size: 0.78rem;
  text-transform: uppercase;
  font-weight: 800;
  color: var(--accent-gold);
  letter-spacing: 0.06em;
  margin-bottom: 8px;
}

.pot-hero-title {
  font-size: 1.65rem;
  color: var(--primary-900);
  font-weight: 700;
  margin-bottom: 12px;
  line-height: 1.3;
}

.pot-hero-lead {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.65;
  margin-bottom: 20px;
}

.pot-tech-highlights {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.pot-tech-highlights li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.55;
}

.pot-tech-highlights .tech-icon {
  font-size: 1.15rem;
  flex-shrink: 0;
  margin-top: 1px;
}

.pot-tech-highlights strong {
  color: var(--primary-900);
  font-weight: 700;
}

.operation-showcase {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 48px;
  align-items: stretch;
  margin-bottom: 70px;
}

/* Interactive Pot Visual */
.pot-visual-interactive {
  background: radial-gradient(circle at 50% 50%, rgba(53, 133, 97, 0.08) 0%, transparent 70%),
              var(--bg-page);
  border-radius: var(--radius-xl);
  padding: 36px;
  border: 1px solid var(--border-light);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.pot-diagram-box {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.pot-tier-block {
  background: #ffffff;
  border: 2px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  cursor: pointer;
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: space-between;
  box-shadow: var(--shadow-sm);
  position: relative;
}

.pot-tier-block:hover, .pot-tier-block.active {
  border-color: var(--primary-600);
  background: #ffffff;
  transform: scale(1.02);
  box-shadow: 0 8px 24px rgba(24, 59, 43, 0.12);
}

.pot-tier-block.active::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 6px;
  background: var(--accent-gold);
  border-radius: 4px 0 0 4px;
}

.tier-left {
  display: flex;
  align-items: center;
  gap: 14px;
}

.tier-num-badge {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--primary-100);
  color: var(--primary-700);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 0.95rem;
}

.pot-tier-block.active .tier-num-badge {
  background: var(--primary-800);
  color: #ffffff;
}

.tier-headline {
  font-size: 1.02rem;
  font-weight: 700;
  color: var(--primary-900);
}

.tier-plants {
  font-size: 0.82rem;
  color: var(--text-muted);
}

.tier-indicator {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--primary-600);
  background: var(--primary-50);
  padding: 4px 10px;
  border-radius: var(--radius-full);
}

/* Tier Detail Card */
.tier-detail-card {
  background: #ffffff;
  border-radius: var(--radius-xl);
  padding: 38px;
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-md);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.detail-badge {
  display: inline-block;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  background: var(--primary-100);
  color: var(--primary-700);
  font-size: 0.78rem;
  font-weight: 700;
  margin-bottom: 12px;
  text-transform: uppercase;
}

.detail-title {
  font-size: 1.65rem;
  margin-bottom: 16px;
  color: var(--primary-900);
}

.detail-plants-tag {
  background: var(--bg-page);
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.92rem;
  color: var(--text-secondary);
  margin-bottom: 20px;
  border-left: 3px solid var(--accent-gold);
}

.detail-function-title {
  font-size: 0.85rem;
  text-transform: uppercase;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--primary-800);
  margin-bottom: 8px;
}

.detail-desc {
  font-size: 0.96rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 24px;
}

.detail-eco-impact {
  background: var(--primary-50);
  padding: 16px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  gap: 12px;
  border: 1px solid rgba(53, 133, 97, 0.15);
}

.impact-icon {
  font-size: 1.4rem;
}

.impact-text {
  font-size: 0.86rem;
  font-weight: 600;
  color: var(--primary-800);
}

/* 3 Nhe Framework */
.framework-3nhe {
  background: linear-gradient(135deg, var(--primary-950) 0%, var(--primary-900) 100%);
  border-radius: var(--radius-xl);
  padding: 50px 40px;
  color: #ffffff;
}

.nhe-header {
  text-align: center;
  max-width: 650px;
  margin: 0 auto 40px;
}

.nhe-header h3 {
  color: #ffffff;
  font-size: 2rem;
  margin-bottom: 10px;
}

.nhe-header p {
  color: rgba(255, 255, 255, 0.75);
  font-size: 1.02rem;
}

.nhe-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.nhe-card {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-lg);
  padding: 30px 24px;
  backdrop-filter: blur(10px);
  transition: all var(--transition-fast);
}

.nhe-card:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: translateY(-4px);
  border-color: var(--accent-gold);
}

.nhe-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background: rgba(201, 147, 56, 0.2);
  color: var(--accent-gold-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 18px;
}

.nhe-title {
  color: #ffffff;
  font-size: 1.3rem;
  margin-bottom: 12px;
}

.nhe-desc {
  color: rgba(255, 255, 255, 0.78);
  font-size: 0.94rem;
  line-height: 1.65;
}

/* ==================== Khối 5: Bài toán Hiệu quả (ROI) ==================== */
.section-roi {
  padding: 100px 0;
  background: var(--bg-page);
}

.roi-table-card {
  background: #ffffff;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-light);
  overflow: hidden;
}

.roi-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

.roi-table th {
  background: var(--primary-900);
  color: #ffffff;
  padding: 20px 24px;
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.roi-table th:first-child {
  width: 25%;
}

.roi-table th:nth-child(2) {
  width: 38%;
  background: var(--primary-800);
}

.roi-table th:nth-child(3) {
  width: 37%;
  background: var(--primary-700);
}

.roi-table td {
  padding: 24px;
  border-bottom: 1px solid var(--border-light);
  font-size: 0.94rem;
  vertical-align: top;
  line-height: 1.6;
}

.roi-table tr:last-child td {
  border-bottom: none;
}

.roi-table tr:nth-child(even) {
  background: #fafbfa;
}

.roi-category-title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--primary-900);
  display: flex;
  align-items: center;
  gap: 8px;
}

.highlight-val {
  font-weight: 700;
  color: var(--primary-700);
}

.gold-val {
  color: var(--accent-terracotta);
  font-weight: 700;
}

/* ==================== Section: Mô Hình Famifarm ==================== */
.section-models {
  padding: 100px 0;
  background: #fdfdfc;
  position: relative;
}

.models-filter-tabs {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-bottom: 44px;
  flex-wrap: wrap;
}

.model-filter-btn {
  padding: 10px 22px;
  border-radius: var(--radius-full);
  background: #ffffff;
  border: 1px solid var(--border-medium);
  font-weight: 700;
  font-size: 0.88rem;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.03);
}

.model-filter-btn:hover, .model-filter-btn.active {
  background: var(--primary-800);
  color: #ffffff;
  border-color: var(--primary-800);
  box-shadow: 0 6px 18px rgba(24, 59, 43, 0.22);
}

.models-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 30px;
}

/* 3 thẻ hàng trên, 2 thẻ hàng dưới cân đối */
.models-grid .model-card {
  flex: 0 0 calc(33.333% - 20px);
  max-width: calc(33.333% - 20px);
  min-width: 320px;
}

.models-grid .model-card:nth-child(4),
.models-grid .model-card:nth-child(5) {
  flex: 0 0 calc(38% - 15px);
  max-width: calc(38% - 15px);
}

.model-card {
  background: #ffffff;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-light);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.05);
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal), border-color var(--transition-normal);
}

.model-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 36px rgba(24, 59, 43, 0.14);
  border-color: var(--primary-400);
}

.model-media {
  height: 220px;
  position: relative;
  overflow: hidden;
  background: #eef2ed;
}

.model-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.5s ease;
}

.model-card:hover .model-img {
  transform: scale(1.06);
}

.model-badge {
  position: absolute;
  top: 14px;
  left: 14px;
  background: rgba(24, 59, 43, 0.88);
  backdrop-filter: blur(4px);
  color: #ffffff;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.03em;
}

.model-content {
  padding: 26px 24px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.model-title {
  font-size: 1.35rem;
  color: var(--primary-900);
  font-weight: 700;
  margin-bottom: 12px;
  line-height: 1.35;
}

.model-space-fit {
  font-size: 0.86rem;
  color: var(--primary-800);
  background: rgba(41, 104, 75, 0.07);
  border-left: 3px solid var(--primary-600);
  padding: 8px 12px;
  border-radius: 4px;
  margin: 0 0 10px;
  line-height: 1.5;
}

.model-space-fit strong {
  color: var(--primary-900);
}

.model-need-fit {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin: 0 0 18px;
}

.model-need-fit strong {
  color: var(--text-primary);
}

.model-specs-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-top: auto;
  margin-bottom: 18px;
  background: #fafbf9;
  padding: 12px 14px;
  border-radius: 8px;
  border: 1px solid var(--border-light);
}

.model-spec-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.spec-label {
  font-size: 0.72rem;
  color: var(--text-muted);
  text-transform: uppercase;
  font-weight: 700;
  letter-spacing: 0.03em;
}

.spec-value {
  font-size: 0.86rem;
  color: var(--primary-900);
  font-weight: 700;
}

.model-actions {
  display: flex;
  gap: 10px;
  padding-top: 16px;
  border-top: 1px solid var(--border-light);
}

.model-actions .btn {
  flex: 1;
  text-align: center;
  justify-content: center;
  font-size: 0.85rem;
  padding: 9px 12px;
  white-space: nowrap;
}

/* ==================== Khối 7: Thư viện Kỹ thuật ==================== */
.section-library {
  padding: 100px 0;
  background: var(--bg-page);
}

.library-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.library-card {
  background: #ffffff;
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
}

.library-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: var(--accent-gold);
}

.library-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  background: var(--accent-gold-soft);
  color: var(--accent-gold);
  border: 1px solid var(--border-gold);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 20px;
}

.library-title {
  font-size: 1.25rem;
  margin-bottom: 12px;
}

.library-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 20px;
}

.library-features {
  margin-top: auto;
  font-size: 0.82rem;
  color: var(--primary-700);
  font-weight: 600;
}

.library-features li {
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.library-features li::before {
  content: "•";
  color: var(--accent-gold);
  font-size: 1.2rem;
}

/* ==================== Khối 8: Quy trình 5 Bước ==================== */
.section-process {
  padding: 100px 0;
  background: #ffffff;
}

.process-timeline {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
  position: relative;
  margin-top: 20px;
}

.process-timeline::before {
  content: "";
  position: absolute;
  top: 36px;
  left: 40px;
  right: 40px;
  height: 3px;
  background: linear-gradient(90deg, var(--primary-400), var(--accent-gold));
  z-index: 1;
}

.process-step {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 0 8px;
}

.step-node {
  width: 72px;
  height: 72px;
  margin: 0 auto 24px;
  background: #ffffff;
  border: 4px solid var(--primary-800);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.3rem;
  color: var(--primary-900);
  box-shadow: 0 0 0 8px var(--primary-50);
  transition: all var(--transition-fast);
}

.process-step:hover .step-node {
  background: var(--primary-800);
  color: #ffffff;
  transform: scale(1.08);
  box-shadow: 0 0 0 10px rgba(201, 147, 56, 0.25);
}

.step-title {
  font-size: 1.1rem;
  margin-bottom: 10px;
}

.step-desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.55;
}

/* ==================== Khối 9: Bộ công cụ Dự toán Nhanh ==================== */
.section-calculator {
  padding: 110px 0;
  background: radial-gradient(circle at 10% 10%, rgba(201, 147, 56, 0.1) 0%, transparent 60%),
              radial-gradient(circle at 90% 90%, rgba(53, 133, 97, 0.12) 0%, transparent 70%),
              var(--bg-page);
}

.calculator-wrapper {
  background: #ffffff;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--border-light);
  overflow: hidden;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
}

.calculator-form-side {
  padding: 48px;
}

.calc-title {
  font-size: 1.8rem;
  margin-bottom: 10px;
}

.calc-subtitle {
  font-size: 0.95rem;
  color: var(--text-secondary);
  margin-bottom: 32px;
}

.calc-group {
  margin-bottom: 28px;
}

.calc-label {
  display: block;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.94rem;
  margin-bottom: 12px;
  color: var(--primary-900);
}

.calc-pills {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.calc-pill-btn {
  padding: 10px 18px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-medium);
  background: var(--bg-page);
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.calc-pill-btn:hover {
  border-color: var(--primary-600);
  color: var(--primary-700);
}

.calc-pill-btn.active {
  background: var(--primary-100);
  color: var(--primary-800);
  border-color: var(--primary-600);
  font-weight: 700;
}

/* Range Slider */
.calc-slider-box {
  background: var(--bg-page);
  padding: 20px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-light);
}

.slider-val-display {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 14px;
}

.slider-current-num {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--primary-800);
}

.slider-current-num span {
  font-size: 1rem;
  color: var(--text-muted);
}

.custom-slider {
  width: 100%;
  height: 8px;
  border-radius: 4px;
  background: #cbd5e1;
  outline: none;
  -webkit-appearance: none;
  cursor: pointer;
}

.custom-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--primary-700);
  border: 3px solid #ffffff;
  box-shadow: var(--shadow-md);
  cursor: pointer;
  transition: transform var(--transition-fast);
}

.custom-slider::-webkit-slider-thumb:hover {
  transform: scale(1.2);
}

/* Calculator Result Side */
.calculator-result-side {
  background: linear-gradient(145deg, var(--primary-950) 0%, var(--primary-900) 100%);
  color: #ffffff;
  padding: 48px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
}

.result-header h4 {
  color: #ffffff;
  font-size: 1.4rem;
  margin-bottom: 6px;
}

.result-header p {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.86rem;
}

.result-cards-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin: 28px 0;
}

.res-card {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-md);
  padding: 16px;
}

.res-label {
  font-size: 0.78rem;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 4px;
}

.res-value {
  font-family: var(--font-heading);
  font-size: 1.45rem;
  font-weight: 800;
  color: #ffffff;
}

.res-value.gold {
  color: var(--accent-gold-light);
}

.res-highlight-box {
  background: rgba(201, 147, 56, 0.18);
  border: 1px solid rgba(201, 147, 56, 0.4);
  border-radius: var(--radius-md);
  padding: 18px;
  margin-bottom: 24px;
  text-align: center;
}

.res-highlight-label {
  font-size: 0.84rem;
  color: var(--accent-gold-light);
  font-weight: 600;
  margin-bottom: 4px;
}

.res-highlight-num {
  font-family: var(--font-heading);
  font-size: 2.1rem;
  font-weight: 800;
  color: #ffffff;
}

.calc-cta-btn {
  width: 100%;
  padding: 16px;
  font-size: 1.05rem;
}

/* ==================== Khối 10: Chân trang (Footer) ==================== */
.main-footer {
  background: var(--primary-950);
  color: rgba(255, 255, 255, 0.85);
  padding: 80px 0 30px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr 0.9fr 0.9fr 1fr;
  gap: 40px;
  margin-bottom: 60px;
}

.footer-brand-logo-wrap {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: #ffffff;
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  margin-bottom: 18px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.footer-logo-img {
  height: 42px;
  width: auto;
  max-width: 155px;
  object-fit: contain;
  display: block;
}

.footer-brand .footer-logo-title {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 8px;
}

.footer-brand .footer-logo-title span {
  color: var(--accent-gold);
}

.footer-desc,
.footer-manifesto {
  font-size: 0.96rem;
  color: rgba(255, 255, 255, 0.85);
  line-height: 1.65;
  margin-bottom: 20px;
}

.footer-contact-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9rem;
  margin-bottom: 10px;
  color: rgba(255, 255, 255, 0.75);
}

.footer-col-title {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  color: #ffffff;
  margin-bottom: 20px;
  position: relative;
  padding-bottom: 10px;
}

.footer-col-title::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 32px;
  height: 2px;
  background: var(--accent-gold);
}

.footer-links li {
  margin-bottom: 12px;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.92rem;
  transition: all var(--transition-fast);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.footer-links a:hover {
  color: var(--accent-gold-light);
  transform: translateX(4px);
}

.newsletter-form {
  margin-top: 14px;
}

.newsletter-input-group {
  display: flex;
  gap: 8px;
  margin-bottom: 10px;
}

.newsletter-input {
  flex-grow: 1;
  padding: 12px 16px;
  border-radius: var(--radius-full);
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: rgba(255, 255, 255, 0.08);
  color: #ffffff;
  outline: none;
}

.newsletter-input::placeholder {
  color: rgba(255, 255, 255, 0.5);
}

.newsletter-input:focus {
  border-color: var(--accent-gold);
}

.footer-bottom {
  padding-top: 28px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.84rem;
  color: rgba(255, 255, 255, 0.55);
}

/* Floating Action Buttons */
.floating-actions {
  position: fixed;
  bottom: 28px;
  right: 28px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  z-index: 999;
}

.float-btn {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-lg);
  cursor: pointer;
  border: none;
  transition: all var(--transition-fast);
  color: #ffffff;
  text-decoration: none;
}

.float-btn:hover {
  transform: scale(1.1);
}

.float-zalo {
  background: #0068ff;
  font-weight: 800;
  font-size: 0.85rem;
}

.float-phone {
  background: var(--primary-700);
  font-size: 1.2rem;
  animation: pulseGreen 2s infinite;
}

.float-top {
  background: rgba(22, 38, 29, 0.9);
  backdrop-filter: blur(8px);
  font-size: 1.1rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-fast);
}

.float-top.visible {
  opacity: 1;
  pointer-events: auto;
}

@keyframes pulseGreen {
  0% { box-shadow: 0 0 0 0 rgba(53, 133, 97, 0.7); }
  70% { box-shadow: 0 0 0 14px rgba(53, 133, 97, 0); }
  100% { box-shadow: 0 0 0 0 rgba(53, 133, 97, 0); }
}

/* Modal Popup */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(10, 27, 19, 0.75);
  backdrop-filter: blur(6px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10000;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-fast);
  padding: 20px;
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal-card {
  background: #ffffff;
  border-radius: var(--radius-xl);
  max-width: 520px;
  width: 100%;
  padding: 36px;
  box-shadow: var(--shadow-xl);
  position: relative;
  transform: scale(0.92);
  transition: transform var(--transition-fast);
}

.modal-overlay.active .modal-card {
  transform: scale(1);
}

.modal-close {
  position: absolute;
  top: 18px;
  right: 18px;
  background: var(--bg-page);
  border: none;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  font-size: 1.2rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-form-group {
  margin-bottom: 18px;
}

.modal-form-label {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--primary-900);
  margin-bottom: 6px;
}

.modal-input {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-md);
  font-size: 0.94rem;
  outline: none;
  transition: border-color var(--transition-fast);
}

.modal-input:focus {
  border-color: var(--primary-600);
}

/* Mobile Navigation Drawer */
.mobile-nav-drawer {
  position: fixed;
  top: 0;
  right: -320px;
  width: 300px;
  height: 100vh;
  background: #ffffff;
  z-index: 2000;
  box-shadow: -10px 0 30px rgba(0, 0, 0, 0.15);
  transition: right var(--transition-normal);
  padding: 30px 24px;
  display: flex;
  flex-direction: column;
}

.mobile-nav-drawer.open {
  right: 0;
}

.mobile-drawer-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border-light);
  margin-bottom: 24px;
}

.mobile-links {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.mobile-links a {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--primary-900);
  padding: 8px 0;
  border-bottom: 1px solid var(--border-light);
}

/* ==================== Responsive Queries ==================== */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .hero-content {
    max-width: 100%;
  }
  .hero-actions {
    justify-content: center;
  }
  .hero-trust-badges {
    max-width: 500px;
    margin: 0 auto;
  }
  .pillars-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .library-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .models-grid .model-card,
  .models-grid .model-card:nth-child(4),
  .models-grid .model-card:nth-child(5) {
    flex: 0 0 calc(50% - 15px);
    max-width: calc(50% - 15px);
  }
  .audience-cards-container.view-all .audience-card,
  .audience-cards-container.view-all .audience-card:nth-child(4),
  .audience-cards-container.view-all .audience-card:nth-child(5) {
    flex: 0 0 calc(50% - 15px);
    max-width: calc(50% - 15px);
  }
  .audience-cards-container.detail-view .audience-card {
    grid-template-columns: 1fr;
  }
  .audience-cards-container.detail-view .audience-card-media {
    min-height: 280px;
    height: 280px;
  }
  .pot-hero-visual-card {
    grid-template-columns: 1fr;
    gap: 28px;
    padding: 24px;
  }
  .operation-showcase, .calculator-wrapper {
    grid-template-columns: 1fr;
  }
  .process-timeline {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .process-timeline::before {
    display: none;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .topbar {
    display: none;
  }
  .nav-menu {
    display: none;
  }
  .header-hotline {
    display: none;
  }
  .mobile-toggle {
    display: block;
  }
  .hero-title {
    font-size: 2.2rem;
  }
  .section-title {
    font-size: 1.85rem;
  }
  .pillars-grid, .library-grid, .nhe-grid {
    grid-template-columns: 1fr;
  }
  .models-grid .model-card,
  .models-grid .model-card:nth-child(4),
  .models-grid .model-card:nth-child(5) {
    flex: 0 0 100%;
    max-width: 100%;
  }
  .audience-cards-container.view-all .audience-card,
  .audience-cards-container.view-all .audience-card:nth-child(4),
  .audience-cards-container.view-all .audience-card:nth-child(5) {
    flex: 0 0 100%;
    max-width: 100%;
  }
  .audience-cards-container.detail-view .audience-card {
    grid-template-columns: 1fr;
  }
  .audience-cards-container.detail-view .audience-card-media {
    min-height: 220px;
    height: 220px;
  }
  .model-reference-card {
    flex-direction: column;
    align-items: flex-start;
    gap: 14px;
  }
  .model-ref-right {
    width: 100%;
  }
  .model-ref-right .btn {
    width: 100%;
    text-align: center;
  }
  .comparison-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .calculator-form-side, .calculator-result-side {
    padding: 28px 20px;
  }
  .pot-hero-visual-card {
    padding: 18px;
  }
  .pot-tech-highlights {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  .roi-table {
    display: block;
    overflow-x: auto;
  }
  .about-story-grid {
    grid-template-columns: 1fr !important;
  }
  .about-pillars-grid {
    grid-template-columns: 1fr !important;
  }
  .about-vision-grid {
    grid-template-columns: 1fr !important;
  }
  .about-partnership-grid {
    grid-template-columns: 1fr !important;
  }
}

/* ==================== ABOUT FAMIFARM PAGE STYLES ==================== */
.about-hero {
  background: linear-gradient(135deg, #f3f8f3 0%, #eaf2eb 50%, #f7faf7 100%);
  padding: 80px 0 60px;
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--border-light);
}

.about-hero::before {
  content: "";
  position: absolute;
  top: -100px;
  right: -100px;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(46, 125, 50, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

.about-hero-content {
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
  position: relative;
  z-index: 2;
}

.about-hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(24, 59, 43, 0.08);
  color: var(--primary-900);
  font-size: 0.88rem;
  font-weight: 700;
  padding: 6px 18px;
  border-radius: var(--radius-full);
  margin-bottom: 20px;
  border: 1px solid rgba(24, 59, 43, 0.12);
}

.about-hero-title {
  font-size: 2.85rem;
  font-family: var(--font-heading);
  font-weight: 800;
  color: var(--primary-900);
  line-height: 1.25;
  margin-bottom: 22px;
  letter-spacing: -0.02em;
}

.about-hero-lead {
  font-size: 1.16rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 36px;
}

.about-hero-badges {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 16px;
}

.about-badge-item {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: #ffffff;
  padding: 10px 22px;
  border-radius: var(--radius-full);
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--primary-900);
  box-shadow: 0 4px 15px rgba(24, 59, 43, 0.06);
  border: 1px solid var(--border-light);
}

/* Story Section */
.about-story-section {
  padding: 85px 0 70px;
  background: #ffffff;
}

.about-story-grid {
  display: grid;
  grid-template-columns: 48% 52%;
  gap: 44px;
  align-items: start;
}

.about-story-left {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.about-left-food-card {
  background: #f7faf7;
  border-radius: var(--radius-lg);
  border: 1px solid #d8e6d9;
  border-left: 4px solid var(--primary-700);
  padding: 22px 24px;
  box-shadow: 0 6px 18px rgba(24, 59, 43, 0.05);
}

.food-card-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(24, 59, 43, 0.09);
  color: var(--primary-900);
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  margin-bottom: 10px;
}

.about-left-food-card p {
  font-size: 0.94rem;
  color: var(--text-secondary);
  line-height: 1.65;
  margin: 0;
}

.about-left-food-card strong {
  color: var(--primary-900);
  font-weight: 700;
}

.about-story-tag-box {
  display: flex;
  justify-content: center;
  margin-bottom: 6px;
}

.fukuoka-quote {
  background: #fdfaf3;
  border-left: 3px solid var(--accent-gold);
  border-radius: 0 8px 8px 0;
  padding: 12px 14px;
  margin: 12px 0 16px;
  font-style: italic;
  font-size: 0.86rem;
  color: #4a3c1c;
  line-height: 1.55;
}

.fukuoka-author {
  display: block;
  text-align: right;
  font-weight: 700;
  font-style: normal;
  font-size: 0.78rem;
  color: var(--primary-900);
  margin-top: 5px;
}

.about-story-media {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: 0 16px 40px rgba(24, 59, 43, 0.12);
}

.about-story-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.about-story-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(to top, rgba(16, 40, 29, 0.9) 0%, rgba(16, 40, 29, 0) 100%);
  padding: 30px 24px 20px;
  color: #ffffff;
}

.about-story-overlay-text {
  font-size: 0.95rem;
  font-style: italic;
  line-height: 1.6;
  opacity: 0.95;
}

.about-story-text {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.about-story-text h3 {
  font-size: 2.1rem;
  font-family: var(--font-heading);
  color: var(--primary-900);
  line-height: 1.3;
}

.about-story-p {
  font-size: 1.02rem;
  color: var(--text-secondary);
  line-height: 1.75;
}

.about-highlight-box {
  background: #f4f8f4;
  border-left: 4px solid var(--primary-700);
  padding: 20px 24px;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  margin: 10px 0;
}

.about-highlight-box p {
  font-size: 1.02rem;
  font-weight: 600;
  color: var(--primary-900);
  line-height: 1.65;
  margin: 0;
}

/* Brand Identity Banner */
.about-identity-banner {
  background: linear-gradient(135deg, var(--primary-900) 0%, var(--primary-700) 100%);
  color: #ffffff;
  padding: 60px 0;
  margin: 20px 0 80px;
  position: relative;
  overflow: hidden;
}

.about-identity-inner {
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
  position: relative;
  z-index: 2;
}

.about-identity-title {
  font-size: 2.2rem;
  font-family: var(--font-heading);
  color: #ffffff;
  margin-bottom: 16px;
}

.about-identity-title span {
  color: var(--accent-gold);
}

.about-identity-desc {
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.9);
  line-height: 1.8;
  max-width: 780px;
  margin: 0 auto;
}

/* Vision & Mission Section */
.about-vision-section {
  padding: 0 0 80px;
}

.about-vision-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}

.about-vision-card {
  background: #ffffff;
  border-radius: var(--radius-xl);
  padding: 40px 36px;
  border: 1px solid var(--border-light);
  box-shadow: 0 8px 24px rgba(24, 59, 43, 0.06);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.about-vision-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 36px rgba(24, 59, 43, 0.1);
}

.about-card-icon {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  background: #eef6ee;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.7rem;
  margin-bottom: 22px;
}

.about-vision-card h3 {
  font-size: 1.55rem;
  color: var(--primary-900);
  margin-bottom: 14px;
}

.about-vision-card p {
  font-size: 0.98rem;
  color: var(--text-secondary);
  line-height: 1.75;
}

/* 6 Pillars Section */
.about-pillars-section {
  background: #f7faf7;
  padding: 85px 0 90px;
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
}

.about-pillars-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.about-pillar-card {
  background: #ffffff;
  border-radius: var(--radius-lg);
  padding: 34px 28px;
  border: 1px solid var(--border-light);
  box-shadow: 0 4px 16px rgba(24, 59, 43, 0.05);
  display: flex;
  flex-direction: column;
  transition: all 0.35s ease;
  position: relative;
  overflow: hidden;
}

.about-pillar-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--primary-700), var(--accent-gold));
  opacity: 0;
  transition: opacity 0.3s ease;
}

.about-pillar-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 32px rgba(24, 59, 43, 0.1);
}

.about-pillar-card:hover::before {
  opacity: 1;
}

.pillar-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 18px;
}

.pillar-icon-box {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: #eef5ee;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.55rem;
  flex-shrink: 0;
}

.pillar-meta {
  display: flex;
  flex-direction: column;
}

.pillar-num {
  font-size: 0.76rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent-gold);
}

.pillar-title {
  font-size: 1.28rem;
  font-weight: 700;
  color: var(--primary-900);
  line-height: 1.35;
}

.pillar-desc {
  font-size: 0.94rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 20px;
  flex-grow: 1;
}

.pillar-bullets {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
  border-top: 1px solid var(--border-light);
  padding-top: 18px;
}

.pillar-bullets li {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 0.87rem;
  color: var(--primary-900);
  line-height: 1.45;
}

.pillar-bullet-dot {
  color: var(--primary-700);
  font-size: 1rem;
  line-height: 1;
  flex-shrink: 0;
  margin-top: 2px;
}

/* Partnership Section */
.about-partnership-section {
  padding: 85px 0;
  background: #ffffff;
}

.about-partnership-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 40px;
}

.about-partner-card {
  background: #fbfdfb;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 28px 22px;
  text-align: center;
  transition: all 0.3s ease;
}

.about-partner-card:hover {
  background: #ffffff;
  box-shadow: 0 10px 25px rgba(24, 59, 43, 0.08);
  border-color: rgba(46, 125, 50, 0.3);
}

.about-partner-icon {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: #eef6ee;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin: 0 auto 16px;
}

.about-partner-card h4 {
  font-size: 1.08rem;
  color: var(--primary-900);
  margin-bottom: 10px;
}

.about-partner-card p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* CTA Section on About Page */
.about-cta-section {
  background: linear-gradient(135deg, #183b2b 0%, #0d2319 100%);
  color: #ffffff;
  padding: 80px 0;
  text-align: center;
  position: relative;
}

.about-cta-box {
  max-width: 760px;
  margin: 0 auto;
}

.about-cta-title {
  font-size: 2.35rem;
  font-family: var(--font-heading);
  color: #ffffff;
  margin-bottom: 18px;
  line-height: 1.3;
}

.about-cta-desc {
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.88);
  line-height: 1.75;
  margin-bottom: 34px;
}

.about-cta-actions {
  display: flex;
  justify-content: center;
  gap: 18px;
  flex-wrap: wrap;
}

.btn-calc-cta {
  background: #ffffff !important;
  color: var(--primary-900) !important;
  border: 2px solid var(--primary-700) !important;
  font-weight: 700 !important;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
  transition: all var(--transition-fast);
}

.btn-calc-cta:hover {
  background: #eef7ee !important;
  color: var(--primary-700) !important;
  border-color: var(--primary-900) !important;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.18);
}

/* ==================== MODEL DETAIL PAGES STYLING ==================== */
.model-detail-hero {
  background: linear-gradient(135deg, #f4f8f4 0%, #e8f2e9 50%, #f7faf7 100%);
  padding: 60px 0 50px;
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--border-light);
}

.model-breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.86rem;
  color: var(--text-secondary);
  margin-bottom: 20px;
}

.model-breadcrumb a {
  color: var(--primary-700);
  font-weight: 500;
  text-decoration: none;
}

.model-breadcrumb span {
  color: var(--border-medium);
}

.model-hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(24, 59, 43, 0.08);
  color: var(--primary-900);
  font-size: 0.85rem;
  font-weight: 700;
  padding: 6px 16px;
  border-radius: var(--radius-full);
  margin-bottom: 16px;
  border: 1px solid rgba(24, 59, 43, 0.12);
}

.model-hero-title {
  font-size: 2.65rem;
  font-family: var(--font-heading);
  font-weight: 800;
  color: var(--primary-900);
  line-height: 1.25;
  margin-bottom: 18px;
  letter-spacing: -0.02em;
}

.model-hero-lead {
  font-size: 1.12rem;
  color: var(--text-secondary);
  line-height: 1.75;
  max-width: 850px;
  margin-bottom: 32px;
}

.model-hero-actions {
  display: flex;
  gap: 16px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.model-hero-metrics {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.metric-card {
  background: #ffffff;
  border-radius: var(--radius-lg);
  padding: 20px;
  border: 1px solid var(--border-light);
  box-shadow: 0 4px 16px rgba(24, 59, 43, 0.05);
  display: flex;
  align-items: center;
  gap: 16px;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.metric-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(24, 59, 43, 0.09);
}

.metric-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: #eef6ee;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  flex-shrink: 0;
}

.metric-label {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--accent-gold);
  font-weight: 700;
  margin-bottom: 4px;
}

.metric-val {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--primary-900);
  line-height: 1.2;
}

/* Detail Overview Section */
.model-section {
  padding: 80px 0;
}

.model-section-alt {
  background: #f7faf7;
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
}

.model-overview-grid {
  display: grid;
  grid-template-columns: 48% 52%;
  gap: 44px;
  align-items: center;
}

.model-overview-media {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: 0 16px 40px rgba(24, 59, 43, 0.12);
}

.model-overview-img {
  width: 100%;
  height: 100%;
  max-height: 480px;
  object-fit: cover;
  display: block;
}

.model-overview-badge {
  position: absolute;
  bottom: 20px;
  left: 20px;
  background: rgba(24, 59, 43, 0.92);
  backdrop-filter: blur(6px);
  color: #ffffff;
  padding: 8px 18px;
  border-radius: var(--radius-full);
  font-size: 0.84rem;
  font-weight: 700;
}

.model-feature-list {
  list-style: none;
  padding: 0;
  margin: 24px 0 0;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.model-feature-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.model-feature-icon {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: #eef6ee;
  color: var(--primary-700);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 2px;
}

.model-feature-item strong {
  color: var(--primary-900);
  font-size: 1rem;
  display: block;
  margin-bottom: 3px;
}

.model-feature-item p {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin: 0;
}

/* Strategic Plant Cards */
.plant-cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
  margin-top: 40px;
}

.plant-card {
  background: #ffffff;
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  border: 1px solid var(--border-light);
  box-shadow: 0 4px 16px rgba(24, 59, 43, 0.05);
  display: flex;
  flex-direction: column;
  transition: all 0.3s ease;
  position: relative;
}

.plant-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 14px 30px rgba(24, 59, 43, 0.1);
  border-color: rgba(46, 125, 50, 0.35);
}

.plant-card-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: #eef6ee;
  color: var(--primary-900);
  font-size: 0.78rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  margin-bottom: 14px;
  align-self: flex-start;
}

.plant-card-title {
  font-size: 1.25rem;
  color: var(--primary-900);
  margin-bottom: 8px;
  font-weight: 700;
}

.plant-card-names {
  font-size: 0.88rem;
  color: var(--accent-gold);
  font-weight: 600;
  margin-bottom: 12px;
}

.plant-card-desc {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.65;
  margin-bottom: 18px;
  flex-grow: 1;
}

.plant-card-benefit {
  background: #fbfdfb;
  border-top: 1px solid var(--border-light);
  padding-top: 14px;
  font-size: 0.86rem;
  color: var(--primary-900);
  font-weight: 600;
}

/* Operations Framework */
.ops-cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
  margin-top: 40px;
}

.ops-card {
  background: #ffffff;
  border-radius: var(--radius-lg);
  padding: 30px 26px;
  border: 1px solid var(--border-light);
  box-shadow: 0 4px 16px rgba(24, 59, 43, 0.05);
  transition: all 0.3s ease;
}

.ops-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 28px rgba(24, 59, 43, 0.09);
}

.ops-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: #eef6ee;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.55rem;
  margin-bottom: 18px;
}

.ops-card h4 {
  font-size: 1.2rem;
  color: var(--primary-900);
  margin-bottom: 10px;
}

.ops-card p {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.65;
  margin-bottom: 16px;
}

.ops-highlight {
  font-size: 0.86rem;
  font-weight: 700;
  color: var(--primary-700);
  background: #f2f7f2;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  display: inline-block;
}

/* Economic Timeline Roadmap */
.roadmap-timeline {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
  margin-top: 44px;
  position: relative;
}

.roadmap-timeline::before {
  content: "";
  position: absolute;
  top: 40px;
  left: 60px;
  right: 60px;
  height: 3px;
  background: #d8e6d9;
  z-index: 1;
}

.timeline-step-card {
  background: #ffffff;
  border-radius: var(--radius-lg);
  padding: 26px 20px;
  border: 1px solid var(--border-light);
  box-shadow: 0 4px 16px rgba(24, 59, 43, 0.05);
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
}

.step-marker {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary-700), var(--primary-900));
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.1rem;
  margin-bottom: 18px;
  border: 3px solid #ffffff;
  box-shadow: 0 0 0 2px var(--primary-700);
}

.step-time {
  font-size: 0.82rem;
  font-weight: 800;
  text-transform: uppercase;
  color: var(--accent-gold);
  letter-spacing: 0.05em;
  margin-bottom: 6px;
}

.step-title {
  font-size: 1.12rem;
  color: var(--primary-900);
  font-weight: 700;
  margin-bottom: 10px;
  line-height: 1.35;
}

.step-desc {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 14px;
  flex-grow: 1;
}

.step-kpi {
  background: #f7faf7;
  border-radius: var(--radius-sm);
  padding: 8px 12px;
  border-left: 3px solid var(--primary-700);
  font-size: 0.84rem;
  font-weight: 700;
  color: var(--primary-900);
}

/* Specs Table */
.specs-table-wrapper {
  background: #ffffff;
  border-radius: var(--radius-xl);
  border: 1px solid var(--border-light);
  box-shadow: 0 8px 24px rgba(24, 59, 43, 0.06);
  overflow: hidden;
  margin-top: 36px;
}

.specs-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

.specs-table th,
.specs-table td {
  padding: 16px 24px;
  border-bottom: 1px solid var(--border-light);
  font-size: 0.94rem;
}

.specs-table th {
  background: #f7faf7;
  font-weight: 700;
  color: var(--primary-900);
  width: 32%;
}

.specs-table td {
  color: var(--text-secondary);
  line-height: 1.6;
}

.specs-table tr:last-child th,
.specs-table tr:last-child td {
  border-bottom: none;
}

/* Other Models Navigation */
.other-models-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
  margin-top: 40px;
}

.other-model-card {
  background: #ffffff;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-light);
  overflow: hidden;
  box-shadow: 0 4px 16px rgba(24, 59, 43, 0.05);
  display: flex;
  flex-direction: column;
  transition: all 0.3s ease;
  text-decoration: none;
  color: inherit;
}

.other-model-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 14px 30px rgba(24, 59, 43, 0.12);
  border-color: rgba(46, 125, 50, 0.4);
}

.other-model-img {
  width: 100%;
  height: 160px;
  object-fit: cover;
  display: block;
}

.other-model-body {
  padding: 20px 18px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.other-model-tag {
  font-size: 0.74rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--accent-gold);
  margin-bottom: 6px;
}

.other-model-title {
  font-size: 1.05rem;
  color: var(--primary-900);
  font-weight: 700;
  margin-bottom: 8px;
  line-height: 1.35;
}

.other-model-desc {
  font-size: 0.84rem;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: 14px;
  flex-grow: 1;
}

.other-model-link {
  font-size: 0.84rem;
  font-weight: 700;
  color: var(--primary-700);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

/* Media Queries for Model Detail Pages */
@media (max-width: 1024px) {
  .model-hero-metrics {
    grid-template-columns: repeat(2, 1fr);
  }
  .model-overview-grid {
    grid-template-columns: 1fr;
  }
  .plant-cards-grid,
  .ops-cards-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .roadmap-timeline {
    grid-template-columns: repeat(2, 1fr);
  }
  .roadmap-timeline::before {
    display: none;
  }
  .other-models-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .model-hero-title {
    font-size: 2rem;
  }
  .model-hero-metrics {
    grid-template-columns: 1fr;
  }
  .plant-cards-grid,
  .ops-cards-grid {
    grid-template-columns: 1fr;
  }
  .roadmap-timeline {
    grid-template-columns: 1fr;
  }
  .other-models-grid {
    grid-template-columns: 1fr;
  }
  .specs-table th,
  .specs-table td {
    padding: 12px 14px;
    font-size: 0.86rem;
  }
}