/* 
  Chuyển Giao DDS NUTRITION - VTOS Ecosystem
  Design Theme: Sleek Modern Dark Mode (Matching vuongthu.com)
  Colors: Deep Dark (#090b10), Glass Card (#121624), Accent Emerald (#10b981), Cyan (#06b6d4), Gold (#f59e0b)
*/

@import url('https://fonts.googleapis.com/css2?family=Be+Vietnam+Pro:ital,wght@0,300;0,400;0,500;0,600;0,700;0,800;1,400&family=Inter:wght@300;400;500;600;700&family=Oswald:wght@500;600;700&display=swap');

:root {
  --bg-main: #07090e;
  --bg-card: rgba(18, 24, 38, 0.7);
  --bg-card-hover: rgba(26, 35, 56, 0.85);
  --bg-nav: rgba(9, 11, 16, 0.85);
  
  --border-color: rgba(255, 255, 255, 0.08);
  --border-glow: rgba(16, 185, 129, 0.3);
  --border-gold: rgba(245, 158, 11, 0.4);

  --accent-emerald: #10b981;
  --accent-emerald-glow: rgba(16, 185, 129, 0.4);
  --accent-cyan: #06b6d4;
  --accent-gold: #f59e0b;
  --accent-gold-glow: rgba(245, 158, 11, 0.3);
  --accent-purple: #8b5cf6;

  --text-main: #f3f4f6;
  --text-muted: #9ca3af;
  --text-dim: #6b7280;

  --font-main: 'Be Vietnam Pro', 'Inter', sans-serif;
  --font-heading: 'Be Vietnam Pro', sans-serif;
  --font-display: 'Be Vietnam Pro', sans-serif;

  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-full: 9999px;

  --shadow-glow: 0 0 30px rgba(16, 185, 129, 0.15);
  --shadow-gold: 0 0 30px rgba(245, 158, 11, 0.2);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  background-color: var(--bg-main);
  color: var(--text-main);
  font-family: var(--font-main);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Be Vietnam Pro', sans-serif !important;
}

/* Background Ambient Lighting */
body::before {
  content: '';
  position: fixed;
  top: -200px;
  left: 50%;
  transform: translateX(-50%);
  width: 1000px;
  height: 600px;
  background: radial-gradient(circle, rgba(16, 185, 129, 0.12) 0%, rgba(6, 182, 212, 0.05) 40%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

body::after {
  content: '';
  position: fixed;
  bottom: -300px;
  right: -100px;
  width: 800px;
  height: 600px;
  background: radial-gradient(circle, rgba(245, 158, 11, 0.08) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

a {
  color: inherit;
  text-decoration: none;
}

ul {
  list-style: none;
}

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

.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 20px;
  position: relative;
  z-index: 1;
}

/* Typography Helpers */
.text-gradient {
  background: linear-gradient(135deg, #ffffff 0%, #a7f3d0 50%, var(--accent-emerald) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

.text-gradient-gold {
  background: linear-gradient(135deg, #fef3c7 0%, #fbbf24 50%, var(--accent-gold) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border-radius: var(--radius-full);
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.3);
  color: var(--accent-emerald);
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--text-muted);
  max-width: 720px;
  margin: 0 auto 40px auto;
}

.text-center {
  text-align: center;
}

/* Header & Announcement Bar */
.announcement-bar {
  background: linear-gradient(90deg, #064e3b 0%, #065f46 50%, #047857 100%);
  color: #ecfdf5;
  text-align: center;
  padding: 10px 16px;
  font-size: 0.9rem;
  font-weight: 600;
  position: relative;
  z-index: 100;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.announcement-bar span {
  background: rgba(255, 255, 255, 0.2);
  padding: 2px 10px;
  border-radius: 12px;
  font-size: 0.75rem;
  margin-right: 8px;
  text-transform: uppercase;
}

.navbar {
  position: sticky;
  top: 0;
  left: 0;
  width: 100%;
  background: var(--bg-nav);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-color);
  z-index: 99;
  padding: 14px 0;
  transition: var(--transition);
}

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

.logo-group {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-badge {
  background: linear-gradient(135deg, var(--accent-emerald), var(--accent-cyan));
  color: #000;
  font-weight: 800;
  font-size: 1.1rem;
  padding: 6px 12px;
  border-radius: 8px;
  letter-spacing: 0.5px;
}

.logo-text {
  font-size: 1.25rem;
  font-weight: 700;
  color: #fff;
}

.logo-sub {
  font-size: 0.75rem;
  color: var(--accent-cyan);
  display: block;
  font-weight: 500;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-links a {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: var(--transition);
}

.nav-links a:hover {
  color: var(--accent-emerald);
}

.btn-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  background: linear-gradient(135deg, var(--accent-emerald) 0%, #059669 100%);
  color: #000;
  font-weight: 700;
  font-size: 1rem;
  border-radius: var(--radius-full);
  box-shadow: 0 4px 20px rgba(16, 185, 129, 0.4);
  transition: var(--transition);
  border: none;
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.btn-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 28px rgba(16, 185, 129, 0.6);
}

.btn-gold {
  background: linear-gradient(135deg, #fbbf24 0%, var(--accent-gold) 100%);
  color: #000;
  box-shadow: 0 4px 20px rgba(245, 158, 11, 0.4);
}

.btn-gold:hover {
  box-shadow: 0 6px 28px rgba(245, 158, 11, 0.6);
}

.btn-outline {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: var(--text-main);
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--accent-emerald);
  color: var(--accent-emerald);
}

/* Hero Section */
.hero-section {
  padding: 60px 0 90px 0;
  position: relative;
  text-align: center;
}

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-bottom: 24px;
}

.hero-badge-item {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-color);
  padding: 6px 16px;
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  color: var(--text-muted);
}

.hero-title {
  font-size: clamp(2.2rem, 5vw, 3.8rem);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 24px;
  max-width: 1080px;
  margin-left: auto;
  margin-right: auto;
}

.hero-subtitle {
  font-size: clamp(1.05rem, 2vw, 1.3rem);
  color: var(--text-muted);
  max-width: 860px;
  margin: 0 auto 36px auto;
  line-height: 1.6;
}

.hero-cta-group {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-bottom: 50px;
}

/* Floating Zalo Chat Widget */
.zalo-float-btn {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: linear-gradient(135deg, #0068ff 0%, #004bbd 100%);
  color: #fff !important;
  padding: 12px 20px;
  border-radius: 50px;
  font-weight: 700;
  font-size: 0.95rem;
  display: flex;
  align-items: center;
  gap: 10px;
  box-shadow: 0 10px 25px rgba(0, 104, 255, 0.4);
  z-index: 9999;
  transition: all 0.3s ease;
  animation: pulseZalo 2s infinite;
}

.zalo-float-btn:hover {
  transform: translateY(-3px) scale(1.05);
  box-shadow: 0 15px 30px rgba(0, 104, 255, 0.6);
}

@keyframes pulseZalo {
  0% { box-shadow: 0 0 0 0 rgba(0, 104, 255, 0.7); }
  70% { box-shadow: 0 0 0 15px rgba(0, 104, 255, 0); }
  100% { box-shadow: 0 0 0 0 rgba(0, 104, 255, 0); }
}

/* VSL Video Container */
.vsl-card {
  background: var(--bg-card);
  border: 1px solid var(--border-glow);
  border-radius: var(--radius-lg);
  padding: 12px;
  max-width: 900px;
  margin: 0 auto;
  box-shadow: var(--shadow-glow);
  position: relative;
  overflow: hidden;
}

.vsl-video-wrapper {
  position: relative;
  width: 100%;
  padding-top: 56.25%; /* 16:9 Aspect Ratio */
  border-radius: var(--radius-md);
  overflow: hidden;
  background: #000;
}

.vsl-video-wrapper video,
.vsl-video-wrapper iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Section Styling */
.section {
  padding: 80px 0;
  position: relative;
}

.section-darker {
  background: rgba(0, 0, 0, 0.4);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

/* Card Grid Layouts */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(420px, 1fr));
  gap: 28px;
}

.glass-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 32px;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: var(--transition);
  position: relative;
}

.glass-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-glow);
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
}

.card-icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  background: rgba(16, 185, 129, 0.15);
  border: 1px solid rgba(16, 185, 129, 0.3);
  color: var(--accent-emerald);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  margin-bottom: 20px;
}

.card-icon-gold {
  background: rgba(245, 158, 11, 0.15);
  border-color: rgba(245, 158, 11, 0.3);
  color: var(--accent-gold);
}

.card-title {
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.card-desc {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* Feature Highlight - Chìa Khóa Trao Tay "Ăn Sẵn" */
.turnkey-box {
  background: linear-gradient(135deg, rgba(18, 24, 38, 0.9) 0%, rgba(10, 14, 22, 0.95) 100%);
  border: 2px solid var(--accent-gold);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-gold);
  position: relative;
  overflow: hidden;
  margin-top: 40px;
}

.turnkey-header {
  text-align: center;
  margin-bottom: 36px;
}

.turnkey-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
}

.turnkey-item {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(245, 158, 11, 0.2);
  border-radius: var(--radius-md);
  padding: 24px;
}

.turnkey-item h4 {
  font-size: 1.1rem;
  color: var(--accent-gold);
  margin-bottom: 8px;
}

.turnkey-item p {
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* Authority & Expert Section */
.expert-wrapper {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 40px;
  align-items: center;
}

.expert-img-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-glow);
  box-shadow: var(--shadow-glow);
}

.expert-img-card img {
  width: 100%;
  height: 500px;
  object-fit: cover;
}

.expert-badge {
  position: absolute;
  bottom: 20px;
  left: 20px;
  right: 20px;
  background: rgba(9, 11, 16, 0.85);
  backdrop-filter: blur(12px);
  padding: 16px 20px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
}

.expert-name {
  font-size: 1.25rem;
  font-weight: 700;
  color: #fff;
}

.expert-role {
  font-size: 0.875rem;
  color: var(--accent-emerald);
}

.credentials-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-top: 24px;
}

.credential-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  background: rgba(255, 255, 255, 0.03);
  padding: 16px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
}

.credential-icon {
  color: var(--accent-emerald);
  font-size: 1.25rem;
  margin-top: 2px;
}

/* Methodology Flowchart */
.methodology-flow {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
  position: relative;
}

.step-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 28px;
  position: relative;
}

.step-number {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  background: rgba(16, 185, 129, 0.2);
  color: var(--accent-emerald);
  margin-bottom: 14px;
}

/* Offer Pricing Cards (3 Tiers) */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 28px;
  margin-top: 40px;
}

.pricing-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: var(--transition);
}

.pricing-card.featured {
  border: 2px solid var(--accent-gold);
  box-shadow: var(--shadow-gold);
  transform: scale(1.03);
  background: linear-gradient(180deg, rgba(26, 35, 56, 0.95) 0%, rgba(12, 16, 26, 0.95) 100%);
}

.pricing-ribbon {
  position: absolute;
  top: 16px;
  right: 16px;
  background: var(--accent-gold);
  color: #000;
  font-size: 0.75rem;
  font-weight: 800;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  text-transform: uppercase;
}

.pricing-title {
  font-size: 1.5rem;
  font-weight: 800;
  margin-bottom: 4px;
}

.pricing-target {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 20px;
}

.pricing-value-stack {
  margin-bottom: 24px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border-color);
}

.value-total {
  font-size: 0.875rem;
  color: var(--text-dim);
  text-decoration: line-through;
}

.price-official {
  font-size: 1rem;
  color: var(--text-muted);
}

.price-final {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--accent-emerald);
  margin: 6px 0;
}

.pricing-card.featured .price-final {
  color: var(--accent-gold);
}

.pricing-features {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 30px;
}

.pricing-feature-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.9rem;
  color: var(--text-main);
}

.pricing-feature-item i {
  color: var(--accent-emerald);
  margin-top: 3px;
}

/* Success Story Video Grid (Vertical 9:16 Format) */
.video-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 28px;
}

.video-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.video-card:hover {
  border-color: var(--border-glow);
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
}

/* Vertical 9:16 Video Player Container */
.video-player-container {
  width: 100%;
  aspect-ratio: 9 / 16;
  max-height: 520px;
  background: #000;
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--border-color);
}

.video-player-container video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.video-info {
  padding: 20px;
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.video-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  background: rgba(16, 185, 129, 0.15);
  color: var(--accent-emerald);
  margin-bottom: 10px;
}

.video-author {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 6px;
  color: #fff;
}

.video-location {
  font-size: 0.85rem;
  color: var(--accent-cyan);
  margin-bottom: 10px;
  font-weight: 500;
}

.video-quote {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.5;
  font-style: italic;
}

/* Gallery Section */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 16px;
}

.gallery-item {
  border-radius: var(--radius-md);
  overflow: hidden;
  height: 180px;
  position: relative;
  border: 1px solid var(--border-color);
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition);
}

.gallery-item:hover img {
  transform: scale(1.08);
}

/* Scarcity & Timer */
.countdown-box {
  background: linear-gradient(135deg, rgba(239, 68, 68, 0.15) 0%, rgba(185, 28, 28, 0.25) 100%);
  border: 1px solid rgba(239, 68, 68, 0.4);
  border-radius: var(--radius-lg);
  padding: 30px;
  text-align: center;
  max-width: 700px;
  margin: 0 auto 50px auto;
}

.timer-display {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-top: 16px;
}

.timer-unit {
  background: rgba(0, 0, 0, 0.6);
  border: 1px solid rgba(239, 68, 68, 0.5);
  padding: 12px 20px;
  border-radius: var(--radius-md);
  min-width: 80px;
}

.timer-num {
  font-size: 2rem;
  font-weight: 800;
  color: #f87171;
  font-family: var(--font-display);
}

.timer-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
}

/* FAQ Accordion */
.faq-list {
  max-width: 860px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: var(--transition);
}

.faq-question {
  padding: 20px 24px;
  font-size: 1.05rem;
  font-weight: 700;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  user-select: none;
}

.faq-question i {
  color: var(--accent-emerald);
  transition: var(--transition);
}

.faq-item.active .faq-question i {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease-out;
  padding: 0 24px;
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
}

.faq-item.active .faq-answer {
  padding: 0 24px 20px 24px;
  max-height: 300px;
}

/* Registration Form Section */
.form-card {
  background: var(--bg-card);
  border: 2px solid var(--accent-gold);
  border-radius: var(--radius-lg);
  padding: 40px;
  max-width: 760px;
  margin: 0 auto;
  box-shadow: var(--shadow-gold);
}

.form-group {
  margin-bottom: 20px;
}

.form-label {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text-main);
}

.form-input {
  width: 100%;
  padding: 14px 18px;
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: #fff;
  font-size: 1rem;
  font-family: var(--font-main);
  transition: var(--transition);
}

.form-input:focus {
  outline: none;
  border-color: var(--accent-emerald);
  box-shadow: 0 0 12px rgba(16, 185, 129, 0.3);
}

.form-radio-group {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.form-radio-option {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 18px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: var(--transition);
}

.form-radio-option:hover {
  border-color: var(--accent-gold);
  background: rgba(245, 158, 11, 0.05);
}

.form-radio-option input[type="radio"],
.form-radio-option input[type="checkbox"] {
  accent-color: var(--accent-gold);
  width: 18px;
  height: 18px;
}

/* Footer */
.footer {
  background: #050608;
  border-top: 1px solid var(--border-color);
  padding: 50px 0 30px 0;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.footer-content {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 30px;
  margin-bottom: 40px;
}

.footer-bottom {
  text-align: center;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  color: var(--text-dim);
  font-size: 0.8rem;
}

/* Modal Popup */
.modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(8px);
  z-index: 999;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: var(--transition);
}

.modal-backdrop.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-content {
  background: var(--bg-card);
  border: 2px solid var(--accent-emerald);
  border-radius: var(--radius-lg);
  padding: 40px;
  max-width: 500px;
  width: 90%;
  text-align: center;
  box-shadow: var(--shadow-glow);
}

/* Responsive Media Queries */
@media (max-width: 992px) {
  .expert-wrapper {
    grid-template-columns: 1fr;
  }
  .pricing-card.featured {
    transform: none;
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
  }
  .hero-title {
    font-size: 2.2rem;
  }
  .grid-2 {
    grid-template-columns: 1fr;
  }
  .timer-display {
    gap: 8px;
  }
  .timer-unit {
    min-width: 65px;
    padding: 8px 12px;
  }
}