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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  scroll-padding-top: var(--header-height);
}

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

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

ul, ol {
  list-style: none;
}

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

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

/* ========================================
   CSS Variables
   ======================================== */
:root {
  /* Colors */
  --color-brand: #0891B2;
  --color-brand-dark: #0E7490;
  --color-brand-darker: #155E75;
  --color-brand-light: #CFFAFE;
  --color-brand-xlight: #ECFEFF;
  --color-accent: #0D9488;

  --color-navy: #1E293B;
  --color-navy-dark: #0F172A;
  --color-text: #1E293B;
  --color-text-muted: #64748B;
  --color-text-light: #94A3B8;

  --color-white: #FFFFFF;
  --color-bg: #FAFBFC;
  --color-bg-alt: #F1F5F9;
  --color-border: #E2E8F0;
  --color-border-light: #F1F5F9;

  --shadow-xs: 0 1px 2px rgba(0,0,0,0.04);
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 6px rgba(0,0,0,0.04), 0 2px 4px rgba(0,0,0,0.04);
  --shadow-lg: 0 10px 25px rgba(0,0,0,0.06), 0 4px 10px rgba(0,0,0,0.04);
  --shadow-xl: 0 20px 50px rgba(0,0,0,0.08), 0 8px 20px rgba(0,0,0,0.04);

  /* Typography */
  --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --fs-xs: 0.75rem;
  --fs-sm: 0.875rem;
  --fs-base: 1rem;
  --fs-lg: 1.125rem;
  --fs-xl: 1.25rem;
  --fs-2xl: 1.5rem;
  --fs-3xl: 2rem;
  --fs-4xl: 2.5rem;
  --fs-5xl: 3rem;
  --lh-tight: 1.2;
  --lh-base: 1.65;

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;

  /* Layout */
  --container-max: 1200px;
  --container-narrow: 800px;
  --header-height: 68px;

  /* Effects */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;
  --transition-fast: 0.15s ease;
  --transition: 0.25s ease;
  --transition-slow: 0.4s ease;
}

/* ========================================
   Typography
   ======================================== */
h1, h2, h3, h4 {
  font-weight: 700;
  line-height: var(--lh-tight);
  color: var(--color-navy-dark);
}

h1 { font-size: var(--fs-4xl); }
h2 { font-size: var(--fs-3xl); margin-bottom: var(--space-md); }
h3 { font-size: var(--fs-xl); margin-bottom: var(--space-sm); }

p {
  color: var(--color-text-muted);
  margin-bottom: var(--space-md);
}

p:last-child {
  margin-bottom: 0;
}

strong {
  color: var(--color-text);
  font-weight: 600;
}

/* ========================================
   Layout
   ======================================== */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.container-narrow {
  max-width: var(--container-narrow);
}

.section {
  padding: var(--space-4xl) 0;
}

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

.section-dark {
  background-color: var(--color-navy-dark);
}

.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto var(--space-3xl);
}

.section-header-light h2,
.section-header-light p {
  color: var(--color-white);
}

.section-header-light p {
  opacity: 0.8;
}

.section-intro {
  font-size: var(--fs-lg);
  color: var(--color-text-muted);
}

/* ========================================
   Buttons
   ======================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  font-weight: 600;
  font-size: var(--fs-base);
  padding: 0.8rem 1.8rem;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
  white-space: nowrap;
  text-align: center;
  line-height: 1.3;
}

.btn-primary {
  background-color: var(--color-brand);
  color: var(--color-white);
  box-shadow: 0 2px 8px rgba(8, 145, 178, 0.25);
}

.btn-primary:hover,
.btn-primary:focus-visible {
  background-color: var(--color-brand-dark);
  box-shadow: 0 4px 16px rgba(8, 145, 178, 0.35);
  transform: translateY(-1px);
}

.btn-light {
  background-color: var(--color-white);
  color: var(--color-brand-dark);
  box-shadow: var(--shadow-md);
}

.btn-light:hover,
.btn-light:focus-visible {
  background-color: var(--color-brand-xlight);
  box-shadow: var(--shadow-lg);
  transform: translateY(-1px);
}

.btn-sm {
  font-size: var(--fs-sm);
  padding: 0.6rem 1.3rem;
}

.btn-lg {
  font-size: var(--fs-lg);
  padding: 1rem 2.2rem;
}

/* ========================================
   Header
   ======================================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  height: var(--header-height);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.site-header.scrolled {
  border-bottom-color: var(--color-border);
  box-shadow: var(--shadow-sm);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  text-decoration: none;
  flex-shrink: 0;
}

.logo-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: var(--color-brand);
  border-radius: var(--radius-sm);
  color: var(--color-white);
}

.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.logo-text-main {
  font-size: var(--fs-sm);
  font-weight: 700;
  color: var(--color-navy-dark);
}

.logo-text-sub {
  font-size: var(--fs-xs);
  font-weight: 600;
  color: var(--color-brand);
  letter-spacing: 0.02em;
}

/* Navigation */
.nav-wrapper {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.nav-links a {
  font-size: var(--fs-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  transition: color var(--transition-fast);
  padding: var(--space-xs) 0;
}

.nav-links a:hover,
.nav-links a:focus-visible {
  color: var(--color-brand);
}

.header-cta {
  flex-shrink: 0;
}

/* Mobile Menu Toggle */
.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  padding: 6px;
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast);
}

.menu-toggle:hover {
  background: var(--color-bg-alt);
}

.menu-bar {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--color-navy);
  border-radius: 2px;
  transition: all var(--transition);
  transform-origin: center;
}

.menu-toggle[aria-expanded="true"] .menu-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.menu-toggle[aria-expanded="true"] .menu-bar:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}

.menu-toggle[aria-expanded="true"] .menu-bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ========================================
   Hero
   ======================================== */
.hero {
  padding-top: calc(var(--header-height) + var(--space-3xl));
  padding-bottom: var(--space-4xl);
  background: linear-gradient(175deg, var(--color-brand-xlight) 0%, var(--color-bg) 55%);
}

.hero-inner {
  display: grid;
  grid-template-columns: 1fr 420px;
  gap: var(--space-3xl);
  align-items: center;
}

.hero-content h1 {
  font-size: var(--fs-5xl);
  margin-bottom: var(--space-md);
  color: var(--color-navy-dark);
}

.hero-tagline {
  font-size: var(--fs-xl);
  font-weight: 600;
  color: var(--color-brand-dark);
  margin-bottom: var(--space-lg);
}

.hero-description {
  font-size: var(--fs-lg);
  color: var(--color-text-muted);
  max-width: 520px;
}

.hero-cta {
  margin-top: var(--space-xl);
  margin-bottom: var(--space-lg);
  font-size: var(--fs-lg);
  padding: 1.1rem 2.6rem;
}

.hero-reassurance {
  display: flex;
  gap: var(--space-lg);
  flex-wrap: wrap;
}

.reassurance-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: var(--fs-sm);
  font-weight: 500;
  color: var(--color-text-muted);
}

.reassurance-item svg {
  color: var(--color-brand);
  flex-shrink: 0;
}

/* eTicket Card Illustration */
.hero-visual {
  display: flex;
  justify-content: center;
}

.eticket-card {
  width: 100%;
  max-width: 380px;
  background: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  overflow: hidden;
  transform: rotate(2deg);
  transition: transform var(--transition-slow);
}

.eticket-card:hover {
  transform: rotate(0deg);
}

.eticket-header {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-lg);
  background: linear-gradient(135deg, var(--color-brand) 0%, var(--color-brand-dark) 100%);
  color: var(--color-white);
  font-weight: 700;
  font-size: var(--fs-base);
}

.eticket-body {
  padding: var(--space-lg);
}

.eticket-label {
  font-size: var(--fs-xs);
  font-weight: 600;
  color: var(--color-text-light);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 2px;
}

.eticket-value {
  font-size: var(--fs-base);
  font-weight: 600;
  color: var(--color-navy-dark);
  margin-bottom: var(--space-md);
}

.eticket-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
}

.eticket-field .eticket-value {
  margin-bottom: 0;
}

.eticket-qr-row {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  margin-top: var(--space-lg);
  padding-top: var(--space-md);
  border-top: 1px dashed var(--color-border);
}

.eticket-qr {
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  flex-shrink: 0;
}

.eticket-status {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-xs);
}

.eticket-check {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--color-brand-xlight);
  color: var(--color-brand);
}

.eticket-status-text {
  font-size: var(--fs-xs);
  font-weight: 700;
  color: var(--color-brand);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.eticket-footer {
  padding: var(--space-sm) var(--space-lg);
  background: var(--color-bg-alt);
  text-align: center;
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--color-text-muted);
  letter-spacing: 0.04em;
}

/* ========================================
   Trust Strip
   ======================================== */
.trust-strip {
  padding: var(--space-2xl) 0;
  border-bottom: 1px solid var(--color-border-light);
  background: var(--color-white);
}

.trust-inner {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-lg);
}

.trust-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
  text-align: center;
}

.trust-item svg {
  color: var(--color-brand);
}

.trust-label {
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--color-navy);
}

/* ========================================
   About / What Is eTicket
   ======================================== */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: var(--space-3xl);
  align-items: center;
}

.about-content h2 {
  text-align: left;
}

.about-content p {
  font-size: var(--fs-lg);
}

.about-content .btn {
  margin-top: var(--space-lg);
}

.about-visual {
  display: flex;
  justify-content: center;
}

.about-card {
  width: 100%;
  max-width: 320px;
  padding: var(--space-2xl);
  background: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--color-border-light);
}

.about-card-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  background: var(--color-brand-xlight);
  color: var(--color-brand);
  margin-bottom: var(--space-lg);
}

.about-card-lines {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: var(--space-lg);
}

.about-line {
  height: 10px;
  border-radius: 5px;
  background: var(--color-bg-alt);
}

.about-line-lg { width: 100%; }
.about-line-md { width: 75%; }
.about-line-sm { width: 50%; }

.about-card-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  background: var(--color-brand-xlight);
  color: var(--color-brand-dark);
  border-radius: var(--radius-full);
  font-size: var(--fs-sm);
  font-weight: 600;
}

/* ========================================
   Requirements
   ======================================== */
.requirements-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}

.requirement-card {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-lg) var(--space-xl);
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: box-shadow var(--transition), border-color var(--transition);
}

.requirement-card:hover {
  border-color: var(--color-brand-light);
  box-shadow: var(--shadow-md);
}

.requirement-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: var(--color-brand-xlight);
  color: var(--color-brand);
  flex-shrink: 0;
}

.requirement-card h3 {
  font-size: var(--fs-base);
  font-weight: 600;
  margin-bottom: 0;
  color: var(--color-navy);
}

.requirements-note {
  text-align: center;
  margin-top: var(--space-xl);
  font-size: var(--fs-base);
  color: var(--color-text-muted);
}

/* ========================================
   Steps
   ======================================== */
.section-dark {
  background: var(--color-navy-dark);
}

.section-dark h2,
.section-dark h3 {
  color: var(--color-white);
}

.section-dark p {
  color: rgba(255, 255, 255, 0.7);
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
}

.step-card {
  position: relative;
  padding: var(--space-2xl) var(--space-xl);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  text-align: center;
  transition: background var(--transition);
}

.step-card:hover {
  background: rgba(255, 255, 255, 0.1);
}

.step-number {
  position: absolute;
  top: -16px;
  left: 50%;
  transform: translateX(-50%);
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-brand);
  color: var(--color-white);
  font-weight: 700;
  font-size: var(--fs-base);
  border-radius: 50%;
}

.step-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  margin: var(--space-sm) auto var(--space-lg);
  border-radius: 50%;
  background: rgba(8, 145, 178, 0.15);
  color: var(--color-brand-light);
}

.step-card h3 {
  color: var(--color-white);
  margin-bottom: var(--space-sm);
}

.step-card p {
  font-size: var(--fs-sm);
}

.steps-cta {
  text-align: center;
  margin-top: var(--space-3xl);
}

/* ========================================
   Who Needs
   ======================================== */
.who-chips {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
}

.who-chip {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 0.8rem 1.4rem;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: var(--fs-base);
  color: var(--color-navy);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.who-chip:hover {
  border-color: var(--color-brand-light);
  box-shadow: var(--shadow-sm);
}

.who-chip svg {
  color: var(--color-brand);
  flex-shrink: 0;
}

.who-note {
  text-align: center;
  font-size: var(--fs-base);
  color: var(--color-text-muted);
}

/* ========================================
   When
   ======================================== */
.when-inner {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: var(--space-3xl);
  align-items: center;
}

.when-content h2 {
  text-align: left;
}

.when-content p {
  font-size: var(--fs-lg);
}

.when-highlight {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-lg);
  background: var(--color-brand-xlight);
  border-left: 3px solid var(--color-brand);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin: var(--space-lg) 0;
  font-weight: 600;
  color: var(--color-brand-darker);
  font-size: var(--fs-lg);
}

.when-highlight svg {
  color: var(--color-brand);
  flex-shrink: 0;
}

.when-content .btn {
  margin-top: var(--space-sm);
}

.when-visual {
  display: flex;
  justify-content: center;
}

.when-illustration {
  position: relative;
  width: 200px;
  height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-brand-xlight);
  border-radius: 50%;
}

.when-plane {
  color: var(--color-brand);
  opacity: 0.6;
}

.when-check {
  position: absolute;
  bottom: 20px;
  right: 20px;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-brand);
  color: var(--color-white);
  border-radius: 50%;
  box-shadow: 0 4px 12px rgba(8, 145, 178, 0.3);
}

/* ========================================
   FAQ
   ======================================== */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.faq-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-white);
  overflow: hidden;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.faq-item:has(.faq-question[aria-expanded="true"]) {
  border-color: var(--color-brand-light);
  box-shadow: var(--shadow-sm);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  width: 100%;
  padding: var(--space-lg) var(--space-xl);
  text-align: left;
  font-weight: 600;
  font-size: var(--fs-base);
  color: var(--color-navy-dark);
  transition: color var(--transition-fast);
}

.faq-question:hover {
  color: var(--color-brand-dark);
}

.faq-question:focus-visible {
  outline: 2px solid var(--color-brand);
  outline-offset: -2px;
  border-radius: var(--radius-md);
}

.faq-icon {
  flex-shrink: 0;
  color: var(--color-text-light);
  transition: transform var(--transition), color var(--transition);
}

.faq-question[aria-expanded="true"] .faq-icon {
  transform: rotate(180deg);
  color: var(--color-brand);
}

.faq-answer {
  overflow: hidden;
  padding: 0 var(--space-xl) var(--space-lg);
}

.faq-answer p {
  font-size: var(--fs-base);
  line-height: var(--lh-base);
  color: var(--color-text-muted);
}

/* ========================================
   Final CTA
   ======================================== */
.section-cta {
  background: linear-gradient(135deg, var(--color-navy-dark) 0%, var(--color-navy) 60%, var(--color-brand-darker) 100%);
  text-align: center;
}

.section-cta h2 {
  color: var(--color-white);
  font-size: var(--fs-3xl);
  margin-bottom: var(--space-sm);
}

.cta-subtitle {
  font-size: var(--fs-lg);
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: var(--space-md);
}

.cta-description {
  font-size: var(--fs-lg);
  color: rgba(255, 255, 255, 0.8);
  max-width: 540px;
  margin: 0 auto var(--space-xl);
}

.cta-description strong {
  color: var(--color-white);
}

.section-cta .btn {
  font-size: var(--fs-lg);
  padding: 1.1rem 2.6rem;
}

/* ========================================
   Footer
   ======================================== */
.site-footer {
  background: var(--color-navy-dark);
  padding: var(--space-3xl) 0 var(--space-2xl);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

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

.footer-brand {
  margin-bottom: var(--space-xl);
}

.footer-logo {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  color: var(--color-white);
  text-decoration: none;
}

.footer-logo .logo-icon {
  width: 30px;
  height: 30px;
}

.footer-logo-text {
  font-weight: 700;
  font-size: var(--fs-lg);
}

.footer-nav ul {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--space-md) var(--space-xl);
  margin-bottom: var(--space-xl);
}

.footer-nav a {
  font-size: var(--fs-sm);
  color: rgba(255, 255, 255, 0.6);
  transition: color var(--transition-fast);
}

.footer-nav a:hover,
.footer-nav a:focus-visible {
  color: var(--color-white);
}

.footer-disclaimer {
  padding-top: var(--space-xl);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  max-width: 600px;
  margin: 0 auto;
}

.footer-disclaimer p {
  font-size: var(--fs-xs);
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.4);
}

.footer-disclaimer strong {
  color: rgba(255, 255, 255, 0.5);
  font-weight: 600;
}

/* ========================================
   Sticky Mobile CTA
   ======================================== */
.sticky-cta {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 90;
  padding: var(--space-sm) var(--space-lg);
  padding-bottom: calc(var(--space-sm) + env(safe-area-inset-bottom, 0px));
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-top: 1px solid var(--color-border);
  box-shadow: 0 -4px 12px rgba(0, 0, 0, 0.06);
  transform: translateY(100%);
  transition: transform var(--transition);
}

.sticky-cta.visible {
  transform: translateY(0);
}

.sticky-cta-btn {
  width: 100%;
  padding: 0.9rem;
  font-size: var(--fs-base);
}

/* ========================================
   Responsive — Tablet (≤ 1024px)
   ======================================== */
@media (max-width: 1024px) {
  .hero-inner {
    grid-template-columns: 1fr 340px;
    gap: var(--space-xl);
  }

  .about-grid {
    grid-template-columns: 1fr 280px;
    gap: var(--space-xl);
  }

  .when-inner {
    grid-template-columns: 1fr 220px;
    gap: var(--space-xl);
  }
}

/* ========================================
   Responsive — Mobile (≤ 768px)
   ======================================== */
@media (max-width: 768px) {
  :root {
    --fs-5xl: 2.25rem;
    --fs-4xl: 2rem;
    --fs-3xl: 1.5rem;
    --fs-2xl: 1.25rem;
  }

  .section {
    padding: var(--space-3xl) 0;
  }

  /* Header mobile */
  .menu-toggle {
    display: flex;
  }

  .header-cta {
    display: none;
  }

  .nav-wrapper {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: var(--color-white);
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-lg);
    flex-direction: column;
    padding: var(--space-lg);
    gap: var(--space-md);
    transform: translateY(-110%);
    opacity: 0;
    visibility: hidden;
    transition: transform var(--transition), opacity var(--transition), visibility var(--transition);
  }

  .nav-wrapper.open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .nav-links {
    flex-direction: column;
    gap: 0;
    width: 100%;
  }

  .nav-links li {
    width: 100%;
  }

  .nav-links a {
    display: block;
    padding: var(--space-md);
    font-size: var(--fs-base);
    border-radius: var(--radius-sm);
    transition: background var(--transition-fast);
  }

  .nav-links a:hover {
    background: var(--color-bg-alt);
  }

  .nav-wrapper .header-cta {
    display: flex;
    width: 100%;
    justify-content: center;
  }

  /* Hero mobile */
  .hero {
    padding-top: calc(var(--header-height) + var(--space-xl));
    padding-bottom: var(--space-3xl);
  }

  .hero-inner {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
    text-align: center;
  }

  .hero-content h1 {
    font-size: var(--fs-4xl);
  }

  .hero-description {
    max-width: none;
  }

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

  .hero-visual {
    order: 1;
  }

  .eticket-card {
    max-width: 300px;
    transform: none;
  }

  /* Trust strip mobile */
  .trust-inner {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg) var(--space-md);
  }

  /* About mobile */
  .about-grid {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }

  .about-content h2 {
    text-align: center;
  }

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

  .about-visual {
    order: -1;
  }

  /* Requirements mobile */
  .requirements-grid {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }

  /* Steps mobile */
  .steps-grid {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
    max-width: 400px;
    margin: 0 auto;
  }

  /* When mobile */
  .when-inner {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }

  .when-content h2 {
    text-align: center;
  }

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

  .when-highlight {
    display: flex;
    justify-content: center;
  }

  .when-visual {
    order: -1;
  }

  .when-illustration {
    width: 160px;
    height: 160px;
  }

  /* FAQ mobile */
  .faq-question {
    padding: var(--space-md) var(--space-lg);
    font-size: var(--fs-sm);
  }

  .faq-answer {
    padding: 0 var(--space-lg) var(--space-md);
  }

  /* CTA mobile */
  .section-cta h2 {
    font-size: var(--fs-2xl);
  }

  /* Sticky CTA mobile */
  .sticky-cta {
    display: block;
  }

  /* Add bottom padding for sticky CTA */
  .site-footer {
    padding-bottom: calc(var(--space-2xl) + 70px);
  }

  /* Footer mobile */
  .footer-nav ul {
    gap: var(--space-sm) var(--space-lg);
  }
}

/* ========================================
   Responsive — Small Mobile (≤ 400px)
   ======================================== */
@media (max-width: 400px) {
  :root {
    --fs-4xl: 1.75rem;
    --fs-3xl: 1.35rem;
  }

  .container {
    padding: 0 var(--space-md);
  }

  .btn-lg {
    padding: 0.9rem 1.6rem;
    font-size: var(--fs-base);
    width: 100%;
  }

  .hero-cta {
    width: 100%;
  }

  .section-cta .btn {
    width: 100%;
  }

  .trust-inner {
    grid-template-columns: 1fr 1fr;
  }

  .who-chip {
    font-size: var(--fs-sm);
    padding: 0.6rem 1rem;
  }

  .eticket-card {
    max-width: 260px;
  }
}

/* ========================================
   Animations
   ======================================== */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

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

/* ========================================
   Accessibility
   ======================================== */
:focus-visible {
  outline: 2px solid var(--color-brand);
  outline-offset: 2px;
}

a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--color-brand);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  html {
    scroll-behavior: auto;
  }
  .fade-in {
    opacity: 1;
    transform: none;
  }
}