/* ═══════════════════════════════════════════════
   CHOICE TACTICAL — Design System
   ═══════════════════════════════════════════════ */

/* ---------- Design Tokens ---------- */
:root {
  --bg-primary: #000000;
  --bg-section-alt: #0D0D0D;
  --bg-card: #1A1A1A;
  --gold: #C9A962;
  --gold-light: #D9BE7A;
  --gold-dark: #B08F4A;
  --text-primary: #FFFFFF;
  --text-secondary: #9E9E9E;
  --text-dim: #666666;
  --border: #333333;
  --success: #4CAF50;
  --error: #E53935;
  --info: #2196F3;
  --card-radius: 12px;
  --btn-radius: 8px;
  --nav-height: 84px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--nav-height);
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: var(--gold);
  text-decoration: none;
  transition: color 0.2s;
}

a:hover {
  color: var(--gold-light);
}

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

/* ---------- Utilities ---------- */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.gold {
  color: var(--gold);
}

.badge {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
}

.badge-gold {
  background: rgba(201, 169, 98, 0.15);
  color: var(--gold);
  border: 1px solid rgba(201, 169, 98, 0.3);
}

.badge-lg {
  padding: 8px 20px;
  font-size: 13px;
  margin-top: 12px;
}

.btn {
  display: inline-block;
  padding: 14px 32px;
  border-radius: var(--btn-radius);
  font-family: 'Inter', sans-serif;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.5px;
  cursor: pointer;
  border: none;
  transition: all 0.3s ease;
}

.btn-gold {
  background: var(--gold);
  color: #000;
}

.btn-gold:hover {
  background: var(--gold-light);
  color: #000;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(201, 169, 98, 0.25);
}

/* ---------- Navigation ---------- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--nav-height);
  transition: background 0.3s, box-shadow 0.3s;
  background: transparent;
}

.navbar.scrolled {
  background: rgba(0, 0, 0, 0.95);
  box-shadow: 0 1px 0 var(--border);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
}

.nav-logo-img {
  height: 72px;
  width: auto;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 8px;
}

.nav-link {
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 500;
  padding: 8px 14px;
  border-radius: 6px;
  transition: color 0.2s, background 0.2s;
  position: relative;
}

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

.nav-link.active {
  color: var(--gold);
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 14px;
  right: 14px;
  height: 2px;
  background: var(--gold);
  border-radius: 1px;
}

/* Hamburger */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  z-index: 1001;
}

.hamburger {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  position: relative;
  transition: background 0.3s;
}

.hamburger::before,
.hamburger::after {
  content: '';
  position: absolute;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  transition: transform 0.3s;
}

.hamburger::before {
  top: -7px;
}

.hamburger::after {
  top: 7px;
}

.nav-toggle.open .hamburger {
  background: transparent;
}

.nav-toggle.open .hamburger::before {
  transform: rotate(45deg);
  top: 0;
}

.nav-toggle.open .hamburger::after {
  transform: rotate(-45deg);
  top: 0;
}

/* ---------- HERO ---------- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 80px 24px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(201, 169, 98, 0.06) 0%, transparent 70%);
  transform: translate(-50%, -50%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
}

.hero-emblem {
  margin-bottom: 32px;
}

.hero-logo {
  width: 800px;
  max-width: 90vw;
  height: auto;
  margin: 0 auto;
  opacity: 0.95;
}

.hero-title {
  font-size: clamp(36px, 6vw, 64px);
  font-weight: 800;
  letter-spacing: 6px;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.hero-accent-line {
  width: 80px;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
  margin: 0 auto 24px;
}

.hero-tagline {
  font-size: clamp(18px, 3vw, 24px);
  font-weight: 300;
  color: var(--text-secondary);
  letter-spacing: 2px;
  margin-bottom: 8px;
}

.hero-subtitle {
  font-size: 15px;
  color: var(--text-dim);
  margin-bottom: 40px;
}

.hero-cta {
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* ---------- Sections ---------- */
.section {
  padding: 100px 0;
}

.section-alt {
  background: var(--bg-section-alt);
}

.section-header {
  text-align: center;
  margin-bottom: 64px;
}

.section-title {
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 700;
  margin-bottom: 16px;
}

.section-subtitle {
  font-size: 17px;
  color: var(--text-secondary);
  max-width: 680px;
  margin: 0 auto;
  line-height: 1.7;
}

/* ---------- Suite Grid ---------- */
.suite-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-bottom: 48px;
}

.suite-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--card-radius);
  padding: 32px 24px;
  text-align: center;
  transition: border-color 0.3s, transform 0.3s;
}

.suite-card:hover {
  border-color: var(--gold-dark);
  transform: translateY(-4px);
}

.suite-card-icon {
  width: 144px;
  height: 144px;
  margin: 0 auto 20px;
  overflow: hidden;
}

.suite-card-icon img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.suite-card-icon.coming-soon-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-primary);
  border: 1px solid var(--border);
}

.suite-card-icon.coming-soon-icon svg {
  width: 48px;
  height: 48px;
}

.suite-card-title {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 8px;
}

.suite-card-desc {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 16px;
  line-height: 1.5;
}

.suite-card-link {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.5px;
}

/* Integration callout */
.suite-integration {
  display: flex;
  align-items: center;
  gap: 20px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--card-radius);
  padding: 24px 32px;
}

.integration-icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
}

.integration-icon svg {
  width: 100%;
  height: 100%;
}

.integration-text {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.7;
}

.integration-text strong {
  color: var(--gold);
}

/* ---------- App Header ---------- */
.app-header {
  text-align: center;
  margin-bottom: 56px;
}

.app-logo {
  width: 240px;
  height: 240px;
  margin: 0 auto 20px;
  object-fit: contain;
}

.app-title {
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 700;
  margin-bottom: 8px;
}

.app-subtitle {
  font-size: 17px;
  color: var(--text-secondary);
  letter-spacing: 0.5px;
}

/* ---------- Features Grid (PrecisionLoad) ---------- */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 56px;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--card-radius);
  padding: 28px 24px;
  transition: border-color 0.3s;
}

.feature-card:hover {
  border-color: rgba(201, 169, 98, 0.4);
}

.feature-icon {
  width: 40px;
  height: 40px;
  margin-bottom: 16px;
}

.feature-icon svg {
  width: 100%;
  height: 100%;
}

.feature-title {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 8px;
}

.feature-desc {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ---------- Workflow Phases Bar ---------- */
.workflow-phases {
  margin-bottom: 56px;
}

.phases-title {
  text-align: center;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.phases-bar {
  display: flex;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid var(--border);
}

.phase {
  flex: 1;
  padding: 14px 8px;
  text-align: center;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.5px;
  color: var(--text-primary);
  cursor: default;
  position: relative;
  transition: opacity 0.2s;
}

.phase:hover {
  opacity: 0.85;
}

.phase span {
  position: relative;
  z-index: 1;
}

.phase-setup { background: #1B5E20; }
.phase-brass { background: #4E342E; }
.phase-planning { background: #1A237E; }
.phase-testing { background: #B08F4A; color: #000; }
.phase-optimization { background: #4A148C; }
.phase-final { background: #BF360C; }

/* Tooltip */
.phase[data-tooltip]:hover::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 6px 12px;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 400;
  color: var(--text-secondary);
  white-space: nowrap;
  z-index: 10;
}

/* ---------- App Content Row (Analysis, Plotter) ---------- */
.app-content-row {
  display: flex;
  align-items: flex-start;
  gap: 48px;
}

.app-content-row .app-features-list {
  flex: 1;
}

.app-content-row .mockup-container {
  flex: 0 0 280px;
}

.app-content-row.reverse {
  flex-direction: row-reverse;
}

/* Feature list items */
.app-features-list {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.feature-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.feature-bullet {
  flex-shrink: 0;
  width: 8px;
  height: 8px;
  background: var(--gold);
  border-radius: 50%;
  margin-top: 8px;
}

.feature-item h4 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 4px;
}

.feature-item p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ---------- Phone Mockup ---------- */
.mockup-container {
  display: flex;
  justify-content: center;
}

.mockup-container-dual {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  justify-content: center;
}

.mockup-container-dual .phone-mockup {
  width: 180px;
  padding: 8px;
  border-radius: 24px;
}

.mockup-item-inline {
  text-align: center;
}

.mockup-item-inline .mockup-caption {
  color: var(--text-secondary);
  font-size: 12px;
  margin-top: 6px;
}

.app-content-row .mockup-container-dual {
  flex: 0 0 400px;
}

.phone-mockup {
  width: 240px;
  padding: 12px;
  background: #111;
  border-radius: 32px;
  border: 2px solid var(--border);
}

.phone-screen {
  width: 100%;
  aspect-ratio: 9/19;
  background: var(--bg-card);
  border-radius: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.mockup-placeholder {
  width: 80%;
  opacity: 0.5;
}

.mockup-placeholder svg {
  width: 100%;
  height: auto;
}

/* Screenshot images inside phone mockups */
.phone-screen img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top;
}

/* Multi-phone mockup row (PrecisionLoad) */
.mockup-row {
  display: flex;
  gap: 32px;
  justify-content: center;
  margin-top: 48px;
  flex-wrap: wrap;
}

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

.mockup-item .phone-mockup {
  width: 200px;
}

.mockup-caption {
  margin-top: 12px;
  font-size: 13px;
  color: var(--text-secondary);
  font-weight: 500;
  letter-spacing: 0.3px;
}

/* ---------- Teaser Grid (Component Search) ---------- */
.teaser-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-bottom: 56px;
}

.teaser-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--card-radius);
  padding: 28px 24px;
  text-align: center;
}

.teaser-icon {
  width: 40px;
  height: 40px;
  margin: 0 auto 16px;
}

.teaser-icon svg {
  width: 100%;
  height: 100%;
}

.teaser-item h4 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 8px;
}

.teaser-item p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* ---------- Email Signup ---------- */
.signup-container {
  max-width: 480px;
  margin: 0 auto;
  text-align: center;
}

.signup-title {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 16px;
}

.signup-form {
  display: flex;
  gap: 12px;
  margin-bottom: 8px;
}

.signup-input {
  flex: 1;
  padding: 14px 16px;
  border-radius: var(--btn-radius);
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--text-primary);
  font-family: 'Inter', sans-serif;
  font-size: 15px;
  outline: none;
  transition: border-color 0.2s;
}

.signup-input::placeholder {
  color: var(--text-dim);
}

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

.signup-btn {
  flex-shrink: 0;
}

.signup-note {
  font-size: 12px;
  color: var(--text-dim);
  margin-top: 8px;
}

/* ---------- Contact ---------- */
.contact-content {
  max-width: 560px;
  margin: 0 auto;
  text-align: center;
}

.contact-item {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-bottom: 20px;
}

.contact-icon {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
}

.contact-link {
  font-size: 18px;
  font-weight: 500;
}

.contact-note {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ---------- Footer ---------- */
.footer {
  border-top: 1px solid var(--border);
  padding: 40px 0;
}

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

.footer-logo {
  width: 100px;
  height: auto;
  margin: 0 auto 16px;
  opacity: 0.6;
}

.footer-copy {
  font-size: 13px;
  color: var(--text-dim);
  margin-bottom: 4px;
}

.footer-tagline {
  font-size: 12px;
  color: var(--text-dim);
  font-style: italic;
  letter-spacing: 1px;
}

/* ---------- Stat Callouts ---------- */
.stat-callouts {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin: 40px 0;
}

.stat-callout {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--card-radius);
  padding: 24px 16px;
  text-align: center;
}

.stat-number {
  font-size: clamp(28px, 3.5vw, 40px);
  font-weight: 800;
  color: var(--gold);
  line-height: 1;
  margin-bottom: 8px;
}

.stat-label {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.4;
  font-weight: 500;
}

.stat-detail {
  font-size: 10px;
  color: var(--gold);
  font-weight: 600;
  letter-spacing: 0.5px;
  display: inline-block;
  margin-top: 2px;
}

/* ---------- Expert Mode Badge ---------- */
.expert-callout {
  display: flex;
  align-items: center;
  gap: 20px;
  background: rgba(0, 230, 118, 0.06);
  border: 1px solid rgba(0, 230, 118, 0.2);
  border-radius: var(--card-radius);
  padding: 20px 28px;
  margin: 32px 0;
}

.expert-callout-icon {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  background: rgba(0, 230, 118, 0.15);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
}

.expert-callout-text h4 {
  color: #00E676;
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 4px;
  letter-spacing: 0.5px;
}

.expert-callout-text p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ---------- Scoring Formula Table ---------- */
.scoring-table {
  width: 100%;
  border-collapse: collapse;
  margin: 24px 0;
  font-size: 14px;
}

.scoring-table th {
  background: var(--bg-card);
  color: var(--gold);
  font-weight: 600;
  font-size: 12px;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  padding: 12px 16px;
  text-align: left;
  border-bottom: 2px solid var(--gold-dark);
}

.scoring-table td {
  padding: 10px 16px;
  border-bottom: 1px solid var(--border);
  color: var(--text-secondary);
}

.scoring-table tr:hover td {
  background: rgba(201, 169, 98, 0.04);
}

.scoring-table .weight-cell {
  color: var(--gold);
  font-weight: 700;
  font-size: 15px;
}

/* ---------- Detail Sections ---------- */
.detail-section {
  margin: 48px 0;
}

.detail-section-title {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}

.detail-columns {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px 32px;
}

.detail-columns-3 {
  grid-template-columns: repeat(3, 1fr);
}

.stats-showcase-4 {
  grid-template-columns: repeat(4, 1fr);
}

.detail-item {
  padding: 8px 0;
}

.detail-item h5 {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 4px;
  color: var(--text-primary);
}

.detail-item p {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* ---------- Data Flow Visualization ---------- */
.data-flow {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin: 40px 0;
  flex-wrap: wrap;
}

.flow-node {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--card-radius);
  padding: 16px 20px;
  text-align: center;
  min-width: 160px;
}

.flow-node-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--gold);
  margin-bottom: 4px;
}

.flow-node-desc {
  font-size: 11px;
  color: var(--text-secondary);
  line-height: 1.4;
}

.flow-arrow {
  color: var(--gold);
  font-size: 24px;
  font-weight: 300;
}

/* ---------- Stats Grid (BallisticAnalysis) ---------- */
.stats-showcase {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin: 24px 0;
}

.stats-showcase-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px 16px;
  text-align: center;
}

.stats-showcase-item .stat-name {
  font-size: 11px;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 4px;
}

.stats-showcase-item .stat-value {
  font-size: 14px;
  font-weight: 600;
  color: var(--gold);
}

/* ---------- Phase Detail Grid ---------- */
.phase-details {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin: 32px 0;
}

.phase-detail-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--card-radius);
  padding: 24px;
}

.phase-detail-card h4 {
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 4px;
}

.phase-detail-card .phase-tag {
  display: inline-block;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  padding: 2px 8px;
  border-radius: 4px;
  margin-bottom: 10px;
}

.phase-tag-setup { background: #1B5E20; color: #fff; }
.phase-tag-brass { background: #4E342E; color: #fff; }
.phase-tag-planning { background: #1A237E; color: #fff; }
.phase-tag-testing { background: #B08F4A; color: #000; }
.phase-tag-optimization { background: #4A148C; color: #fff; }
.phase-tag-final { background: #BF360C; color: #fff; }
.phase-tag-advanced { background: var(--border); color: var(--text-secondary); }

.phase-detail-card p {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.6;
}

.phase-detail-card ul {
  list-style: none;
  padding: 0;
  margin: 8px 0 0;
}

.phase-detail-card li {
  font-size: 13px;
  color: var(--text-secondary);
  padding: 3px 0;
  padding-left: 16px;
  position: relative;
}

.phase-detail-card li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 10px;
  width: 6px;
  height: 6px;
  background: var(--gold);
  border-radius: 50%;
}

/* ---------- Confidence Meter ---------- */
.confidence-meter {
  display: flex;
  align-items: center;
  gap: 24px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--card-radius);
  padding: 24px;
  margin: 24px 0;
}

.confidence-bar {
  flex: 1;
  height: 12px;
  background: var(--border);
  border-radius: 6px;
  overflow: hidden;
  position: relative;
}

.confidence-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--error) 0%, var(--gold) 50%, var(--success) 100%);
  border-radius: 6px;
  width: 75%;
}

.confidence-labels {
  display: flex;
  justify-content: space-between;
  font-size: 11px;
  color: var(--text-dim);
  margin-top: 6px;
}

.confidence-info {
  min-width: 200px;
}

.confidence-info h5 {
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 4px;
}

.confidence-info p {
  font-size: 12px;
  color: var(--text-secondary);
  line-height: 1.4;
}

/* ---------- Scroll Animations ---------- */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* ---------- RESPONSIVE: Tablet ---------- */
@media (max-width: 1024px) {
  .suite-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

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

  .app-content-row {
    flex-direction: column;
    gap: 40px;
  }

  .app-content-row.reverse {
    flex-direction: column;
  }

  .app-content-row .mockup-container,
  .app-content-row .mockup-container-dual {
    flex: none;
    width: 100%;
  }

  .detail-columns-3 {
    grid-template-columns: repeat(2, 1fr);
  }

  .stats-showcase-4 {
    grid-template-columns: repeat(2, 1fr);
  }

  .mockup-row {
    gap: 24px;
  }

  .mockup-item .phone-mockup {
    width: 180px;
  }

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

  .phase-details {
    grid-template-columns: 1fr;
  }

  .detail-columns,
  .detail-columns-3 {
    grid-template-columns: 1fr;
  }

  .stats-showcase,
  .stats-showcase-4 {
    grid-template-columns: repeat(2, 1fr);
  }

  .data-flow {
    flex-direction: column;
  }

  .flow-arrow {
    transform: rotate(90deg);
  }

  .scoring-table {
    font-size: 13px;
  }

  .scoring-table th,
  .scoring-table td {
    padding: 8px 12px;
  }

  .confidence-meter {
    flex-direction: column;
  }
}

/* ---------- RESPONSIVE: Mobile ---------- */
@media (max-width: 768px) {
  :root {
    --nav-height: 56px;
  }

  .nav-toggle {
    display: block;
  }

  .nav-links {
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background: rgba(0, 0, 0, 0.98);
    flex-direction: column;
    padding: 16px 24px 24px;
    gap: 4px;
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.3s ease, opacity 0.3s ease;
    border-bottom: 1px solid var(--border);
  }

  .nav-links.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .nav-link {
    font-size: 16px;
    padding: 12px 0;
  }

  .nav-link.active::after {
    display: none;
  }

  .suite-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

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

  .teaser-grid {
    grid-template-columns: 1fr;
  }

  .section {
    padding: 72px 0;
  }

  .nav-logo-img {
    height: 44px;
  }

  .hero-logo {
    width: 280px;
  }

  .hero-title {
    letter-spacing: 3px;
  }

  .app-logo {
    width: 192px;
    height: 192px;
  }

  .phases-bar {
    flex-direction: column;
  }

  .phase {
    padding: 10px 8px;
  }

  .phone-mockup {
    width: 200px;
  }

  .mockup-row {
    gap: 20px;
  }

  .mockup-item .phone-mockup {
    width: 160px;
  }

  .mockup-caption {
    font-size: 11px;
  }

  .stat-callouts {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }

  .stats-showcase {
    grid-template-columns: 1fr;
  }

  .expert-callout {
    flex-direction: column;
    text-align: center;
  }

  .signup-form {
    flex-direction: column;
  }

  .suite-integration {
    flex-direction: column;
    text-align: center;
    padding: 24px;
  }
}

/* ---------- RESPONSIVE: Small mobile ---------- */
@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }

  .section-title {
    font-size: 24px;
  }

  .hero {
    padding: 60px 16px;
  }
}