/* ============================================
   ArtEcho Landing Page - Styles
   ============================================ */

/* --- CSS Variables --- */
:root {
  --yellow: #F5A623;
  --yellow-light: rgba(245, 166, 35, 0.12);
  --coral: #E8614D;
  --coral-light: rgba(232, 97, 77, 0.12);
  --blue: #2B95CE;
  --blue-light: rgba(43, 149, 206, 0.12);
  --teal: #4ECDC4;
  --teal-light: rgba(78, 205, 196, 0.12);

  --bg: #0A0A0F;
  --bg-elevated: #12121A;
  --bg-card: #1A1A25;
  --bg-card-hover: #22222F;

  --text: #F5F0EA;
  --text-secondary: #A89F91;
  --text-muted: #6B6560;

  --border: rgba(245, 240, 234, 0.08);
  --border-hover: rgba(245, 240, 234, 0.15);

  --radius: 16px;
  --radius-sm: 10px;
  --radius-lg: 24px;

  --shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 8px 48px rgba(0, 0, 0, 0.4);

  --nav-height: 72px;
  --container-max: 1200px;
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
}

h1, h2, h3, h4 {
  font-family: 'Plus Jakarta Sans', 'Inter', sans-serif;
  line-height: 1.2;
  font-weight: 700;
}

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

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

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}

.text-gradient {
  background: linear-gradient(135deg, var(--yellow) 0%, var(--coral) 50%, var(--blue) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

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

.nav.scrolled {
  background: rgba(10, 10, 15, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 1px 0 var(--border);
}

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

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.25rem;
}

.nav-logo-img {
  width: 36px;
  height: 36px;
  border-radius: 8px;
}

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

.nav-links a {
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.2s;
}

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav-toggle span {
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.2s;
  border: none;
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--yellow), var(--coral));
  color: #fff;
  padding: 12px 24px;
  box-shadow: 0 4px 16px rgba(245, 166, 35, 0.3);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 24px rgba(245, 166, 35, 0.4);
}

.btn-outline {
  background: transparent;
  color: var(--text);
  padding: 12px 24px;
  border: 1px solid var(--border-hover);
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.2);
}

.btn-sm {
  padding: 8px 18px;
  font-size: 0.85rem;
}

.btn-lg {
  padding: 14px 28px;
  font-size: 1rem;
  border-radius: var(--radius);
}

/* --- Hero Section --- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: var(--nav-height);
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-gradient {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 50% at 20% 50%, rgba(245, 166, 35, 0.08) 0%, transparent 70%),
    radial-gradient(ellipse 50% 50% at 80% 30%, rgba(43, 149, 206, 0.06) 0%, transparent 70%),
    radial-gradient(ellipse 40% 40% at 50% 80%, rgba(232, 97, 77, 0.05) 0%, transparent 70%);
}

.hero-circles {
  position: absolute;
  inset: 0;
}

.circle {
  position: absolute;
  border-radius: 50%;
  border: 1px solid var(--border);
  animation: float 20s ease-in-out infinite;
}

.circle-1 {
  width: 400px;
  height: 400px;
  top: 10%;
  right: -100px;
  animation-delay: 0s;
}

.circle-2 {
  width: 300px;
  height: 300px;
  bottom: 10%;
  left: -50px;
  animation-delay: -7s;
}

.circle-3 {
  width: 200px;
  height: 200px;
  top: 40%;
  left: 30%;
  animation-delay: -14s;
}

@keyframes float {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  33% { transform: translateY(-20px) rotate(2deg); }
  66% { transform: translateY(10px) rotate(-1deg); }
}

.hero-content {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  padding-top: 40px;
  padding-bottom: 40px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 8px 16px;
  border-radius: 100px;
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 24px;
}

.badge-dot {
  width: 8px;
  height: 8px;
  background: var(--teal);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.hero h1 {
  font-size: clamp(2.5rem, 5vw, 3.8rem);
  font-weight: 800;
  margin-bottom: 20px;
  letter-spacing: -0.02em;
}

.hero-subtitle {
  font-size: 1.15rem;
  color: var(--text-secondary);
  max-width: 520px;
  margin-bottom: 32px;
  line-height: 1.7;
}

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

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

.stat-number {
  display: block;
  font-size: 1.6rem;
  font-weight: 800;
  font-family: 'Plus Jakarta Sans', sans-serif;
  background: linear-gradient(135deg, var(--yellow), var(--coral));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label {
  display: block;
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.stat-divider {
  width: 1px;
  height: 40px;
  background: var(--border);
}

/* --- Phone Frame --- */
.hero-phone {
  display: flex;
  justify-content: center;
}

.phone-frame {
  position: relative;
  width: 280px;
  height: 580px;
  background: #1C1C1E;
  border-radius: 40px;
  padding: 12px;
  box-shadow:
    0 0 0 1px rgba(255, 255, 255, 0.1),
    0 20px 60px rgba(0, 0, 0, 0.5),
    inset 0 0 0 1px rgba(255, 255, 255, 0.05);
}

.phone-frame-sm {
  width: 220px;
  height: 460px;
  border-radius: 32px;
  padding: 10px;
}

.phone-frame-showcase {
  width: 240px;
  height: 500px;
  border-radius: 36px;
}

.phone-notch {
  position: absolute;
  top: 12px;
  left: 50%;
  transform: translateX(-50%);
  width: 100px;
  height: 28px;
  background: #000;
  border-radius: 20px;
  z-index: 2;
}

.phone-frame-sm .phone-notch {
  width: 80px;
  height: 24px;
  top: 10px;
}

.phone-screen {
  width: 100%;
  height: 100%;
  background: var(--bg);
  border-radius: 30px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.phone-frame-sm .phone-screen {
  border-radius: 24px;
}

.phone-frame-showcase .phone-screen {
  border-radius: 28px;
}

/* --- Screenshot Placeholder --- */
.screenshot-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  width: 100%;
  height: 100%;
  background: linear-gradient(160deg, var(--bg-card) 0%, var(--bg-elevated) 100%);
  border: 2px dashed var(--border-hover);
  border-radius: inherit;
  padding: 20px;
  text-align: center;
}

.screenshot-wide {
  height: 200px;
  border-radius: var(--radius);
}

.placeholder-icon {
  color: var(--text-muted);
  opacity: 0.5;
}

.screenshot-placeholder p {
  color: var(--text-secondary);
  font-size: 0.85rem;
  font-weight: 500;
}

.screenshot-placeholder .placeholder-hint {
  font-size: 0.7rem;
  color: var(--text-muted);
  background: var(--bg);
  padding: 4px 10px;
  border-radius: 100px;
}

/* --- Social Proof Bar --- */
.social-proof {
  padding: 32px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--bg-elevated);
}

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

.proof-item {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
}

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

/* --- Section Headers --- */
.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 60px;
}

.section-tag {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--yellow);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 16px;
}

.section-header h2 {
  font-size: clamp(2rem, 4vw, 2.8rem);
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.section-header p {
  color: var(--text-secondary);
  font-size: 1.05rem;
  line-height: 1.7;
}

/* --- Features Section --- */
.features {
  padding: 120px 0;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  transition: all 0.3s;
}

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

.feature-card-large {
  grid-column: span 3;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  align-items: center;
}

.feature-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.feature-icon-yellow { background: var(--yellow-light); color: var(--yellow); }
.feature-icon-coral { background: var(--coral-light); color: var(--coral); }
.feature-icon-blue { background: var(--blue-light); color: var(--blue); }
.feature-icon-teal { background: var(--teal-light); color: var(--teal); }

.feature-card h3 {
  font-size: 1.2rem;
  margin-bottom: 10px;
}

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

.feature-screenshot {
  grid-column: 2;
}

/* --- How It Works --- */
.how-it-works {
  padding: 120px 0;
  background: var(--bg-elevated);
}

.steps {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
}

.step {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  flex: 1;
  max-width: 300px;
}

.step-number {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--yellow), var(--coral));
  color: #fff;
  font-weight: 800;
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
}

.step-phone {
  margin-bottom: 24px;
}

.step-content h3 {
  font-size: 1.15rem;
  margin-bottom: 8px;
}

.step-content p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.6;
}

.step-connector {
  display: flex;
  align-items: center;
  opacity: 0.4;
  margin-top: -120px;
}

/* --- Moods Section --- */
.moods {
  padding: 120px 0;
}

.mood-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  max-width: 700px;
  margin: 0 auto;
}

.mood-chip {
  padding: 10px 22px;
  border-radius: 100px;
  font-size: 0.9rem;
  font-weight: 600;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
  color: var(--chip-color, var(--text));
  transition: all 0.3s;
  cursor: default;
}

.mood-chip:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--chip-color);
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
}

/* --- Security Section --- */
.security {
  padding: 120px 0;
  background: var(--bg-elevated);
}

.security-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.security-content .section-tag {
  text-align: left;
}

.security-content h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.security-content > p {
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1.7;
  margin-bottom: 40px;
}

.security-features {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

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

.security-check {
  width: 32px;
  height: 32px;
  min-width: 32px;
  border-radius: 8px;
  background: var(--teal-light);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 2px;
}

.security-feature h4 {
  font-size: 0.95rem;
  margin-bottom: 4px;
}

.security-feature p {
  color: var(--text-secondary);
  font-size: 0.85rem;
  line-height: 1.5;
}

.security-feature a {
  color: var(--teal);
  text-decoration: underline;
  text-underline-offset: 2px;
}

/* Security Visual */
.security-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.shield-graphic {
  position: relative;
  width: 300px;
  height: 300px;
}

.shield-outer {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: radial-gradient(circle, var(--teal-light) 0%, transparent 70%);
  display: flex;
  align-items: center;
  justify-content: center;
  animation: shield-pulse 4s ease-in-out infinite;
}

@keyframes shield-pulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.05); opacity: 0.8; }
}

.shield-inner {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 2px solid var(--teal);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 40px rgba(78, 205, 196, 0.15);
}

.shield-badge {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 8px 14px;
  border-radius: 100px;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-secondary);
  box-shadow: var(--shadow);
}

.shield-badge-1 { top: 20px; right: 10px; }
.shield-badge-2 { bottom: 40px; left: -10px; }
.shield-badge-3 { bottom: 10px; right: 20px; }

/* --- Screenshots Showcase --- */
.screenshots {
  padding: 120px 0;
}

.screenshots-scroll {
  display: flex;
  gap: 24px;
  overflow-x: auto;
  padding: 20px 0 40px;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.screenshots-scroll::-webkit-scrollbar {
  display: none;
}

.screenshot-card {
  flex: 0 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  scroll-snap-align: center;
}

.screenshot-label {
  font-size: 0.85rem;
  color: var(--text-secondary);
  font-weight: 500;
}

/* --- Testimonials --- */
.testimonials {
  padding: 120px 0;
  background: var(--bg-elevated);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

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

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

.testimonial-stars {
  display: flex;
  gap: 2px;
  margin-bottom: 16px;
}

.testimonial-card > p {
  color: var(--text-secondary);
  font-size: 0.92rem;
  line-height: 1.7;
  margin-bottom: 20px;
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.author-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--yellow), var(--coral));
  color: #fff;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
}

.testimonial-author strong {
  display: block;
  font-size: 0.9rem;
}

.testimonial-author span {
  font-size: 0.78rem;
  color: var(--text-muted);
}

/* --- FAQ Section --- */
.faq {
  padding: 120px 0;
}

.faq-list {
  max-width: 720px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color 0.3s;
}

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

.faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  cursor: pointer;
  font-weight: 600;
  font-size: 0.95rem;
  list-style: none;
  user-select: none;
}

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

.faq-item summary svg {
  flex-shrink: 0;
  color: var(--text-muted);
  transition: transform 0.3s;
}

.faq-item[open] summary svg {
  transform: rotate(180deg);
}

.faq-item p {
  padding: 0 24px 20px;
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.7;
}

/* --- Download CTA --- */
.download {
  padding: 120px 0;
  background: var(--bg-elevated);
}

.download-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 64px;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 48px;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.download-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 40% 60% at 10% 50%, rgba(245, 166, 35, 0.06) 0%, transparent 70%),
    radial-gradient(ellipse 40% 60% at 90% 50%, rgba(43, 149, 206, 0.06) 0%, transparent 70%);
  pointer-events: none;
}

.download-content {
  position: relative;
}

.download-content h2 {
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.download-content p {
  color: var(--text-secondary);
  font-size: 1.05rem;
  line-height: 1.7;
  margin-bottom: 32px;
  max-width: 500px;
}

.download-buttons {
  display: flex;
  gap: 16px;
}

.store-button {
  display: flex;
  align-items: center;
  gap: 12px;
  background: #fff;
  color: #000;
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  transition: transform 0.2s, box-shadow 0.2s;
}

.store-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

.store-label {
  display: block;
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  opacity: 0.7;
}

.store-name {
  display: block;
  font-weight: 700;
  font-size: 1rem;
}

.download-visual {
  position: relative;
}

.download-icon {
  width: 160px;
  height: 160px;
  border-radius: 36px;
  box-shadow: var(--shadow-lg);
}

/* --- Footer --- */
.footer {
  padding: 80px 0 40px;
  border-top: 1px solid var(--border);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.15rem;
  margin-bottom: 16px;
}

.footer-logo-img {
  width: 32px;
  height: 32px;
  border-radius: 8px;
}

.footer-brand p {
  color: var(--text-secondary);
  font-size: 0.88rem;
  line-height: 1.6;
  max-width: 320px;
}

.footer-links h4 {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.footer-links a {
  display: block;
  color: var(--text-secondary);
  font-size: 0.88rem;
  padding: 6px 0;
  transition: color 0.2s;
}

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

.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

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

.footer-disclaimer {
  max-width: 500px;
  text-align: right;
}

/* ============================================
   Responsive Design
   ============================================ */

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

  .hero-subtitle {
    margin-left: auto;
    margin-right: auto;
  }

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

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

  .feature-card-large {
    grid-template-columns: 1fr;
  }

  .feature-screenshot {
    grid-column: auto;
  }

  .security-layout {
    grid-template-columns: 1fr;
    gap: 60px;
  }

  .security-visual {
    order: -1;
  }

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

@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: absolute;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background: var(--bg-elevated);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    padding: 16px 24px;
    gap: 0;
  }

  .nav-links.active {
    display: flex;
  }

  .nav-links a {
    padding: 12px 0;
    border-bottom: 1px solid var(--border);
  }

  .nav-toggle {
    display: flex;
  }

  .btn-sm {
    display: none;
  }

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

  .feature-card-large {
    grid-column: auto;
  }

  .steps {
    flex-direction: column;
    gap: 32px;
  }

  .step-connector {
    margin-top: 0;
    transform: rotate(90deg);
  }

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

  .download-card {
    grid-template-columns: 1fr;
    padding: 40px 28px;
    text-align: center;
  }

  .download-buttons {
    justify-content: center;
    flex-wrap: wrap;
  }

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

  .download-icon {
    width: 120px;
    height: 120px;
    border-radius: 28px;
  }

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

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

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

@media (max-width: 480px) {
  .hero h1 {
    font-size: 2rem;
  }

  .hero-cta {
    flex-direction: column;
    align-items: stretch;
  }

  .hero-cta .btn {
    justify-content: center;
  }

  .hero-stats {
    flex-direction: column;
    gap: 16px;
  }

  .stat-divider {
    width: 40px;
    height: 1px;
  }

  .proof-items {
    gap: 20px;
  }

  .phone-frame {
    width: 240px;
    height: 500px;
    border-radius: 32px;
  }

  .screenshots-scroll {
    padding-left: 24px;
    padding-right: 24px;
  }
}