/* ========================================
   IronTrack Marketing Website
   Dark theme · Neon green accent · Lexend
   ======================================== */

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

:root {
  --primary: #3ff906;
  --primary-dim: #32c905;
  --primary-glow: rgba(63, 249, 6, 0.25);
  --primary-subtle: rgba(63, 249, 6, 0.08);
  --bg: #050505;
  --bg-alt: #0a0c0a;
  --surface: #121212;
  --surface-alt: #1a1f1a;
  --border: rgba(255, 255, 255, 0.06);
  --border-hover: rgba(255, 255, 255, 0.12);
  --text: #f1f5f9;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  --text-faint: #475569;
  --radius: 16px;
  --radius-sm: 10px;
  --radius-lg: 24px;
  --radius-full: 9999px;
  --shadow-neon: 0 0 30px rgba(63, 249, 6, 0.15), 0 0 60px rgba(63, 249, 6, 0.05);
  --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.4);
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --font: 'Lexend', system-ui, -apple-system, sans-serif;
  --max-width: 1200px;
}

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

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img, svg {
  display: block;
  max-width: 100%;
}

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

ul {
  list-style: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  background: none;
  border: none;
  color: inherit;
}

.material-symbols-outlined {
  font-family: 'Material Symbols Outlined' !important;
  font-variation-settings: 'FILL' 0, 'wght' 400, 'GRAD' 0, 'opsz' 24;
  vertical-align: middle;
}

/* --- Utilities --- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.text-primary {
  color: var(--primary);
}

.skip-link {
  position: absolute;
  top: -100px;
  left: 16px;
  background: var(--primary);
  color: var(--bg);
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  font-weight: 700;
  z-index: 10000;
  transition: top var(--transition);
}

.skip-link:focus {
  top: 16px;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius);
  font-weight: 700;
  font-size: 0.95rem;
  transition: all var(--transition);
  white-space: nowrap;
  border: 2px solid transparent;
}

.btn .material-symbols-outlined {
  font-size: 20px;
}

.btn-primary {
  background: var(--primary);
  color: var(--bg);
  border-color: var(--primary);
}

.btn-primary:hover {
  background: var(--primary-dim);
  border-color: var(--primary-dim);
  box-shadow: var(--shadow-neon);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: var(--text);
  border-color: rgba(255, 255, 255, 0.15);
}

.btn-outline:hover {
  border-color: var(--primary);
  color: var(--primary);
  transform: translateY(-2px);
}

.btn-lg {
  padding: 18px 36px;
  font-size: 1.05rem;
}

.btn-block {
  width: 100%;
}

/* --- Section styling --- */
.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 64px;
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.75rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--primary);
  background: var(--primary-subtle);
  padding: 6px 16px;
  border-radius: var(--radius-full);
  margin-bottom: 20px;
}

.section-header h2 {
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 16px;
}

.section-sub {
  font-size: 1.05rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* ========================================
   NAVIGATION
   ======================================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(5, 5, 5, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  transition: background var(--transition), box-shadow var(--transition);
}

.site-header.scrolled {
  background: rgba(5, 5, 5, 0.95);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
}

.nav-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  z-index: 1001;
}

.logo-icon {
  font-size: 32px;
  color: var(--primary);
  filter: drop-shadow(0 0 8px rgba(63, 249, 6, 0.4));
}

.logo-text {
  font-size: 1.25rem;
  font-weight: 900;
  letter-spacing: 0.05em;
  font-style: italic;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-links a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: color var(--transition);
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
  transition: width var(--transition);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--text);
}

.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}

.nav-cta {
  padding: 10px 24px;
  font-size: 0.85rem;
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 10px;
  z-index: 1001;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: all var(--transition);
}

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ========================================
   HERO
   ======================================== */
.hero {
  position: relative;
  padding: 140px 0 80px;
  overflow: hidden;
  min-height: 100vh;
  display: flex;
  align-items: center;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 50% at 20% 40%, rgba(63, 249, 6, 0.08) 0%, transparent 70%),
    radial-gradient(ellipse 40% 60% at 80% 20%, rgba(63, 249, 6, 0.04) 0%, transparent 70%);
  pointer-events: none;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.hero-content {
  max-width: 600px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--primary);
  background: var(--primary-subtle);
  border: 1px solid rgba(63, 249, 6, 0.15);
  padding: 8px 18px;
  border-radius: var(--radius-full);
  margin-bottom: 28px;
}

.hero-badge .material-symbols-outlined {
  font-size: 16px;
  color: var(--primary);
}

.hero h1 {
  font-size: clamp(2.25rem, 5vw, 3.75rem);
  font-weight: 900;
  line-height: 1.1;
  margin-bottom: 24px;
  letter-spacing: -0.02em;
}

.hero-sub {
  font-size: 1.15rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 36px;
  max-width: 520px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 24px;
}

.hero-stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
}

.hero-stat strong {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--primary);
}

.hero-stat span {
  font-size: 0.75rem;
  color: var(--text-dim);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.hero-stat-divider {
  width: 1px;
  height: 36px;
  background: var(--border);
}

/* Phone Mockup */
.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.phone-mockup {
  width: 300px;
  height: 600px;
  background: var(--bg);
  border-radius: 40px;
  border: 3px solid rgba(255, 255, 255, 0.1);
  padding: 12px;
  box-shadow:
    0 0 60px rgba(63, 249, 6, 0.08),
    0 20px 60px rgba(0, 0, 0, 0.6);
  position: relative;
  overflow: hidden;
}

.phone-mockup::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 120px;
  height: 28px;
  background: var(--bg);
  border-radius: 0 0 16px 16px;
  z-index: 10;
  border: 2px solid rgba(255, 255, 255, 0.1);
  border-top: none;
}

.phone-screen {
  width: 100%;
  height: 100%;
  background: var(--bg);
  border-radius: 28px;
  padding: 44px 16px 16px;
  overflow: hidden;
}

.mock-header {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  margin-bottom: 12px;
}

.mock-greeting {
  font-size: 0.55rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 600;
}

.mock-name {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text);
}

.mock-title {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text);
  margin-bottom: 16px;
}

.mock-btn-start {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--primary);
  color: var(--bg);
  font-weight: 800;
  font-size: 0.8rem;
  padding: 14px;
  border-radius: 20px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  margin-bottom: 16px;
}

.mock-btn-start .material-symbols-outlined {
  font-size: 20px;
}

.mock-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
  margin-bottom: 16px;
}

.mock-stat-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  background: var(--surface);
  border-radius: 12px;
  padding: 8px 4px;
  border: 1px solid var(--border);
}

.mock-stat-card strong {
  font-size: 1rem;
  font-weight: 800;
  color: var(--text);
}

.mock-stat-card span {
  font-size: 0.5rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 700;
}

.mock-section-title {
  font-size: 0.55rem;
  font-weight: 800;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 8px;
}

.mock-log-item {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 10px;
  margin-bottom: 6px;
}

.mock-log-date {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-width: 36px;
  height: 36px;
  background: var(--bg);
  border-radius: 8px;
  border: 1px solid var(--border);
}

.mock-log-date span {
  font-size: 0.4rem;
  font-weight: 700;
  color: var(--text-dim);
  text-transform: uppercase;
}

.mock-log-date strong {
  font-size: 0.85rem;
  font-weight: 800;
  color: var(--text);
  line-height: 1;
}

.mock-log-info {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 1px;
}

.mock-log-info strong {
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--text);
}

.mock-log-info span {
  font-size: 0.55rem;
  color: var(--text-dim);
}

.mock-log-vol {
  font-size: 0.65rem;
  font-weight: 700;
  color: var(--primary);
  white-space: nowrap;
}

/* ========================================
   SOCIAL PROOF BAR
   ======================================== */
.social-proof {
  padding: 24px 0;
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.proof-items {
  display: flex;
  justify-content: center;
  gap: 48px;
  flex-wrap: wrap;
}

.proof-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
}

.proof-item .material-symbols-outlined {
  color: var(--primary);
  font-size: 20px;
}

/* ========================================
   FEATURES
   ======================================== */
.features {
  padding: 120px 0;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.feature-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), transparent);
  opacity: 0;
  transition: opacity var(--transition);
}

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

.feature-card:hover::before {
  opacity: 1;
}

.feature-icon {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  background: var(--primary-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.feature-icon .material-symbols-outlined {
  font-size: 28px;
  color: var(--primary);
}

.feature-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.feature-card p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.feature-card--pro {
  border-color: rgba(63, 249, 6, 0.15);
  background: linear-gradient(135deg, var(--surface), rgba(63, 249, 6, 0.03));
}

.pro-badge {
  position: absolute;
  top: 16px;
  right: 16px;
  font-size: 0.6rem;
  font-weight: 900;
  color: var(--primary);
  background: var(--primary-subtle);
  border: 1px solid rgba(63, 249, 6, 0.2);
  padding: 4px 10px;
  border-radius: var(--radius-full);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* ========================================
   HOW IT WORKS
   ======================================== */
.how-it-works {
  padding: 120px 0;
  background: var(--bg-alt);
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.step-card {
  text-align: center;
  padding: 40px 28px;
  position: relative;
}

.step-number {
  font-size: 4rem;
  font-weight: 900;
  color: rgba(63, 249, 6, 0.06);
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  line-height: 1;
}

.step-icon {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: var(--primary-subtle);
  border: 2px solid rgba(63, 249, 6, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
  position: relative;
  z-index: 1;
}

.step-icon .material-symbols-outlined {
  font-size: 32px;
  color: var(--primary);
}

.step-card h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.step-card p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* ========================================
   PRICING
   ======================================== */
.pricing {
  padding: 120px 0;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
  max-width: 800px;
  margin: 0 auto;
}

.pricing-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: all var(--transition);
}

.pricing-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
}

.pricing-card--pro {
  border-color: rgba(63, 249, 6, 0.3);
  background: linear-gradient(160deg, var(--surface), rgba(63, 249, 6, 0.04));
  box-shadow: 0 0 40px rgba(63, 249, 6, 0.05);
}

.pricing-popular {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--primary);
  color: var(--bg);
  font-size: 0.7rem;
  font-weight: 800;
  padding: 6px 20px;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.pricing-header {
  text-align: center;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 28px;
}

.pricing-header h3 {
  font-size: 1.5rem;
  font-weight: 800;
  margin-bottom: 8px;
}

.pricing-price {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 4px;
  margin-bottom: 8px;
}

.price-amount {
  font-size: 2.5rem;
  font-weight: 900;
  color: var(--text);
}

.pricing-card--pro .price-amount {
  color: var(--primary);
}

.price-period {
  font-size: 0.9rem;
  color: var(--text-dim);
  font-weight: 500;
}

.pricing-desc {
  font-size: 0.85rem;
  color: var(--text-dim);
}

.pricing-features {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 32px;
}

.pricing-features li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.pricing-features li .check {
  color: var(--primary);
  font-size: 20px;
  font-variation-settings: 'FILL' 1;
  flex-shrink: 0;
}

.pricing-features li.disabled {
  color: var(--text-faint);
}

.pricing-features li.disabled .material-symbols-outlined {
  color: var(--text-faint);
  font-size: 20px;
  flex-shrink: 0;
}

.pricing-note {
  text-align: center;
  font-size: 0.8rem;
  color: var(--text-dim);
  margin-top: 12px;
}

/* ========================================
   EXERCISES
   ======================================== */
.exercises {
  padding: 120px 0;
  background: var(--bg-alt);
}

.exercise-categories {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 48px;
}

.exercise-category {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  transition: all var(--transition);
}

.exercise-category:hover {
  border-color: var(--border-hover);
  transform: translateY(-2px);
}

.cat-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: var(--primary-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}

.cat-icon .material-symbols-outlined {
  font-size: 24px;
  color: var(--primary);
}

.exercise-category h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 6px;
}

.exercise-category p {
  font-size: 0.8rem;
  color: var(--text-dim);
  line-height: 1.5;
}

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

.muscle-groups h3 {
  font-size: 0.75rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-dim);
  margin-bottom: 20px;
}

.muscle-tags {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
}

.muscle-tag {
  padding: 8px 18px;
  border-radius: var(--radius-full);
  background: var(--primary-subtle);
  border: 1px solid rgba(63, 249, 6, 0.12);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--primary);
  transition: all var(--transition);
}

.muscle-tag:hover {
  background: rgba(63, 249, 6, 0.15);
  border-color: rgba(63, 249, 6, 0.3);
}

/* ========================================
   TESTIMONIALS
   ======================================== */
.testimonials {
  padding: 120px 0;
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.testimonial-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: all var(--transition);
}

.testimonial-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-2px);
}

.testimonial-stars {
  display: flex;
  gap: 2px;
}

.testimonial-stars .material-symbols-outlined {
  font-size: 18px;
  color: #fbbf24;
}

.testimonial-card p {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.7;
  flex: 1;
  font-style: italic;
}

.testimonial-card footer {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.testimonial-card footer strong {
  font-size: 0.9rem;
  color: var(--text);
}

.testimonial-card footer span {
  font-size: 0.75rem;
  color: var(--text-dim);
}

/* ========================================
   FAQ
   ======================================== */
.faq {
  padding: 120px 0;
  background: var(--bg-alt);
}

.faq-list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

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

.faq-item[open] {
  border-color: rgba(63, 249, 6, 0.15);
}

.faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  list-style: none;
  transition: color var(--transition);
  gap: 16px;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::marker {
  content: '';
}

.faq-item summary:hover {
  color: var(--primary);
}

.faq-chevron {
  font-size: 24px;
  color: var(--text-dim);
  transition: transform var(--transition);
  flex-shrink: 0;
}

.faq-item[open] .faq-chevron {
  transform: rotate(180deg);
  color: var(--primary);
}

.faq-answer {
  padding: 0 24px 24px;
}

.faq-answer p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* ========================================
   FINAL CTA
   ======================================== */
.final-cta {
  padding: 120px 0;
}

.cta-inner {
  text-align: center;
  background: linear-gradient(160deg, var(--surface), rgba(63, 249, 6, 0.04));
  border: 1px solid rgba(63, 249, 6, 0.15);
  border-radius: 32px;
  padding: 80px 40px;
  position: relative;
  overflow: hidden;
}

.cta-glow {
  position: absolute;
  top: -100px;
  left: 50%;
  transform: translateX(-50%);
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(63, 249, 6, 0.1), transparent 70%);
  pointer-events: none;
}

.cta-icon {
  font-size: 56px;
  color: var(--primary);
  margin-bottom: 24px;
  display: inline-block;
  filter: drop-shadow(0 0 20px rgba(63, 249, 6, 0.4));
  position: relative;
  z-index: 1;
}

.cta-inner h2 {
  font-size: clamp(1.5rem, 3.5vw, 2.25rem);
  font-weight: 800;
  margin-bottom: 16px;
  position: relative;
  z-index: 1;
}

.cta-inner p {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 560px;
  margin: 0 auto 32px;
  line-height: 1.7;
  position: relative;
  z-index: 1;
}

.cta-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  position: relative;
  z-index: 1;
}

.cta-sub {
  font-size: 0.8rem;
  color: var(--text-dim);
  margin-top: 16px !important;
}

/* ========================================
   FOOTER
   ======================================== */
.site-footer {
  padding: 80px 0 0;
  background: var(--bg-alt);
  border-top: 1px solid var(--border);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid var(--border);
}

.footer-brand p {
  font-size: 0.85rem;
  color: var(--text-dim);
  line-height: 1.7;
  margin-top: 16px;
  max-width: 280px;
}

.footer-social {
  display: flex;
  gap: 12px;
  margin-top: 20px;
}

.footer-social a {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: var(--surface);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
}

.footer-social a:hover {
  border-color: var(--primary);
  background: var(--primary-subtle);
}

.footer-social a .material-symbols-outlined {
  font-size: 18px;
  color: var(--text-muted);
}

.footer-social a:hover .material-symbols-outlined {
  color: var(--primary);
}

.footer-links-group h4 {
  font-size: 0.75rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-dim);
  margin-bottom: 20px;
}

.footer-links-group ul {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-links-group a {
  font-size: 0.875rem;
  color: var(--text-muted);
  transition: color var(--transition);
}

.footer-links-group a:hover {
  color: var(--primary);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px 0;
}

.footer-bottom p {
  font-size: 0.8rem;
  color: var(--text-faint);
}

/* ========================================
   SCROLL ANIMATIONS
   ======================================== */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ========================================
   RESPONSIVE
   ======================================== */

/* Tablet */
@media (max-width: 1024px) {
  .hero-inner {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 40px;
  }

  .hero-content {
    max-width: 100%;
  }

  .hero-sub {
    max-width: 100%;
  }

  .hero-actions {
    justify-content: center;
  }

  .hero-stats {
    justify-content: center;
  }

  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .exercise-categories {
    grid-template-columns: repeat(2, 1fr);
  }

  .testimonials-grid {
    grid-template-columns: 1fr;
    max-width: 600px;
    margin: 0 auto;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 40px;
  }
}

/* Mobile */
@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(5, 5, 5, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    flex-direction: column;
    justify-content: center;
    gap: 28px;
    transform: translateX(100%);
    transition: transform var(--transition);
    z-index: 1000;
  }

  .nav-links.open {
    transform: translateX(0);
  }

  .nav-links a {
    font-size: 1.25rem;
    font-weight: 600;
  }

  .nav-cta {
    display: none;
  }

  .hamburger {
    display: flex;
  }

  .hero {
    padding: 120px 0 60px;
    min-height: auto;
  }

  .hero h1 {
    font-size: clamp(1.75rem, 7vw, 2.5rem);
  }

  .hero-sub {
    font-size: 1rem;
  }

  .hero-actions {
    flex-direction: column;
    align-items: center;
  }

  .hero-actions .btn {
    width: 100%;
    max-width: 320px;
  }

  .phone-mockup {
    width: 240px;
    height: 480px;
    border-radius: 32px;
  }

  .phone-screen {
    padding: 36px 12px 12px;
    border-radius: 22px;
  }

  .mock-title {
    font-size: 1.15rem;
  }

  .mock-btn-start {
    font-size: 0.7rem;
    padding: 10px;
    border-radius: 14px;
  }

  .features-grid,
  .steps-grid {
    grid-template-columns: 1fr;
  }

  .pricing-grid {
    grid-template-columns: 1fr;
    max-width: 420px;
  }

  .exercise-categories {
    grid-template-columns: 1fr;
  }

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

  .footer-bottom {
    flex-direction: column;
    gap: 8px;
    text-align: center;
  }

  .cta-inner {
    padding: 48px 24px;
    border-radius: 24px;
  }

  .proof-items {
    gap: 24px;
  }

  section {
    padding: 80px 0 !important;
  }

  .section-header {
    margin-bottom: 40px;
  }
}

/* Small Mobile */
@media (max-width: 380px) {
  .container {
    padding: 0 16px;
  }

  .hero-stats {
    gap: 16px;
  }

  .hero-stat strong {
    font-size: 1.2rem;
  }

  .btn-lg {
    padding: 14px 24px;
    font-size: 0.95rem;
  }
}