/* ===== App Theme - Extracted from Flutter source ===== */
:root {
  --color-bg: #060B18;
  --color-surface: #0D1628;
  --color-card: #132040;
  --color-primary: #F97316;
  --color-primary-dark: #C2410C;
  --color-purple: #7C3AED;
  --color-blue: #2563EB;
  --color-green: #22C55E;
  --color-amber: #F59E0B;
  --color-red: #EF4444;
  --color-text-primary: #F1F5F9;
  --color-text-secondary: #94A3B8;
  --color-text-muted: #64748B;
  --color-border-subtle: rgba(255,255,255,0.06);
  --color-border-medium: rgba(255,255,255,0.08);
  --radius: 16px;
  --radius-sm: 12px;
  --font-heading: 'Playfair Display', Georgia, serif;
  --font-body: 'Inter', system-ui, sans-serif;
}

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

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

body {
  font-family: var(--font-body);
  background: var(--color-bg);
  color: var(--color-text-primary);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
}

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

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

/* ===== Navigation ===== */
.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(6, 11, 24, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border-subtle);
  padding: 0 24px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-brand {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-text-primary);
  display: flex;
  align-items: center;
  gap: 10px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  min-width: 0;
  flex-shrink: 1;
}

.nav-brand .icon {
  width: 32px;
  height: 32px;
  background: linear-gradient(135deg, var(--color-purple), var(--color-primary));
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  flex-shrink: 0;
}

.nav-links {
  display: flex;
  gap: 28px;
  list-style: none;
  align-items: center;
}

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

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

.nav-hamburger {
  display: none;
  background: none;
  border: none;
  color: var(--color-text-primary);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 4px;
}

/* ===== Hero ===== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 100px 24px 60px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -40%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(249,115,22,0.12) 0%, transparent 70%);
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -15%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(124,58,237,0.1) 0%, transparent 70%);
  pointer-events: none;
}

.hero-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 1;
  width: 100%;
}

.hero-content h1 {
  font-family: var(--font-heading);
  font-size: 3rem;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 20px;
}

.hero-content h1 .highlight {
  background: linear-gradient(135deg, var(--color-primary), var(--color-amber));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-content p {
  font-size: 1.1rem;
  color: var(--color-text-secondary);
  margin-bottom: 32px;
  max-width: 480px;
}

.hero-device {
  display: flex;
  justify-content: center;
  align-items: center;
}

/* Device mockup */
.device-frame {
  position: relative;
  width: 280px;
  max-width: 100%;
}

.device-frame::before {
  content: '';
  position: absolute;
  inset: -14px;
  background: linear-gradient(145deg, #1a1a2e, #0a0a1a);
  border-radius: 36px;
  border: 2px solid rgba(255,255,255,0.08);
  box-shadow: 0 25px 60px rgba(0,0,0,0.5), inset 0 1px 0 rgba(255,255,255,0.05);
  z-index: 0;
}

.device-frame::after {
  content: '';
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 20px;
  background: #0a0a1a;
  border-radius: 0 0 12px 12px;
  z-index: 2;
}

.device-frame img {
  position: relative;
  z-index: 1;
  border-radius: 22px;
  width: 100%;
  height: auto;
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all 0.25s ease;
  text-align: center;
  line-height: 1.2;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: #fff;
  box-shadow: 0 4px 20px rgba(249,115,22,0.3);
}

.btn-primary:hover {
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(249,115,22,0.4);
}

.btn-secondary {
  background: transparent;
  color: var(--color-text-primary);
  border: 1px solid var(--color-border-medium);
}

.btn-secondary:hover {
  color: var(--color-text-primary);
  border-color: var(--color-primary);
  background: rgba(249,115,22,0.05);
}

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

/* ===== Section Common ===== */
.section {
  padding: 80px 24px;
  position: relative;
}

.section-inner {
  max-width: 1100px;
  margin: 0 auto;
}

.section-title {
  font-family: var(--font-heading);
  font-size: 2.2rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 12px;
}

.section-subtitle {
  text-align: center;
  color: var(--color-text-primary);
  opacity: 0.75;
  font-size: 1.05rem;
  margin-bottom: 48px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* ===== Features (alternating) ===== */
.feature-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  margin-bottom: 64px;
}

.feature-row:last-child { margin-bottom: 0; }

.feature-row.reverse .feature-text { order: 2; }
.feature-row.reverse .feature-icon-block { order: 1; }

.feature-icon-block {
  display: flex;
  justify-content: center;
  align-items: center;
}

.feature-icon-circle {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  background: var(--color-card);
  border: 1px solid var(--color-border-subtle);
  box-shadow: 0 0 40px rgba(249,115,22,0.08);
}

.feature-text {
  text-align: left;
}

.feature-text h3 {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 12px;
}

.feature-text p {
  color: var(--color-text-secondary);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* ===== Screenshot Carousel ===== */
.screenshots-section {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border-subtle);
  border-bottom: 1px solid var(--color-border-subtle);
}

.carousel-wrapper {
  position: relative;
  max-width: 320px;
  margin: 0 auto;
  overflow: hidden;
}

.carousel-track {
  display: flex;
  transition: transform 0.4s ease;
}

.carousel-slide {
  min-width: 100%;
  padding: 0 4px;
}

.carousel-slide .device-frame {
  width: 100%;
  max-width: 280px;
  margin: 0 auto;
}

.carousel-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  margin-top: 24px;
}

.carousel-btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--color-card);
  border: 1px solid var(--color-border-subtle);
  color: var(--color-text-primary);
  font-size: 1.1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
}

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

.carousel-dots {
  display: flex;
  gap: 8px;
}

.carousel-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-text-muted);
  border: none;
  cursor: pointer;
  transition: all 0.2s;
  padding: 0;
}

.carousel-dot.active {
  background: var(--color-primary);
  width: 24px;
  border-radius: 4px;
}

/* ===== Highlights Grid ===== */
.highlights-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.highlight-card {
  background: var(--color-card);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius);
  padding: 28px 24px;
  text-align: left;
  transition: transform 0.2s, box-shadow 0.2s;
}

.highlight-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.3);
}

.highlight-card .card-icon {
  font-size: 2rem;
  margin-bottom: 16px;
  display: block;
}

.highlight-card h4 {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 8px;
}

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

/* ===== CTA Section ===== */
.cta-section {
  text-align: center;
  background: linear-gradient(180deg, var(--color-bg) 0%, var(--color-surface) 100%);
}

.cta-section h2 {
  font-family: var(--font-heading);
  font-size: 2rem;
  margin-bottom: 16px;
}

.cta-section p {
  color: var(--color-text-secondary);
  margin-bottom: 32px;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

/* ===== Footer ===== */
.site-footer {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border-subtle);
  padding: 48px 24px 24px;
}

.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 32px;
}

.footer-brand {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--color-text-primary);
}

.footer-desc {
  color: var(--color-text-muted);
  font-size: 0.85rem;
  line-height: 1.6;
  max-width: 320px;
}

.footer-col h5 {
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-secondary);
  margin-bottom: 16px;
}

.footer-col ul {
  list-style: none;
}

.footer-col li {
  margin-bottom: 10px;
}

.footer-col a {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  transition: color 0.2s;
}

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

.footer-bottom {
  max-width: 1100px;
  margin: 0 auto;
  padding-top: 24px;
  border-top: 1px solid var(--color-border-subtle);
  text-align: center;
  color: var(--color-text-muted);
  font-size: 0.8rem;
}

/* ===== Content Pages (privacy, terms, contact) ===== */
.page-header {
  padding: 120px 24px 40px;
  text-align: center;
  background: linear-gradient(180deg, var(--color-surface) 0%, var(--color-bg) 100%);
}

.page-header h1 {
  font-family: var(--font-heading);
  font-size: 2.4rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.page-header .date {
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

.content-container {
  max-width: 800px;
  margin: 0 auto;
  padding: 48px 24px 80px;
}

.content-container h2 {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 600;
  margin-top: 36px;
  margin-bottom: 16px;
  color: var(--color-text-primary);
}

.content-container h3 {
  font-size: 1.15rem;
  font-weight: 600;
  margin-top: 24px;
  margin-bottom: 12px;
  color: var(--color-text-primary);
}

.content-container p {
  color: var(--color-text-secondary);
  margin-bottom: 16px;
  line-height: 1.7;
  text-align: left;
}

.content-container ul,
.content-container ol {
  color: var(--color-text-secondary);
  padding-left: 24px;
  margin-bottom: 16px;
  text-align: left;
}

.content-container li {
  margin-bottom: 8px;
  line-height: 1.6;
}

.content-container a {
  color: var(--color-primary);
  text-decoration: underline;
  text-underline-offset: 2px;
}

/* ===== Contact Form ===== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  max-width: 1000px;
  margin: 0 auto;
  padding: 48px 24px 80px;
}

.contact-info {
  text-align: left;
}

.contact-info h2 {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  font-weight: 600;
  margin-bottom: 16px;
}

.contact-info p {
  color: var(--color-text-secondary);
  line-height: 1.7;
  margin-bottom: 24px;
}

.contact-info-item {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  margin-bottom: 20px;
}

.contact-info-item .ci-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: var(--color-card);
  border: 1px solid var(--color-border-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.contact-info-item span {
  color: var(--color-text-secondary);
  font-size: 0.95rem;
  line-height: 1.5;
}

.contact-form-card {
  background: var(--color-card);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius);
  padding: 32px;
}

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

.form-group label {
  display: block;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  margin-bottom: 6px;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 12px 16px;
  background: var(--color-surface);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-sm);
  color: var(--color-text-primary);
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: border-color 0.2s;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.form-group input[type="file"] {
  padding: 10px 12px;
  cursor: pointer;
}

.form-group input[type="file"]::file-selector-button {
  background: var(--color-card);
  border: 1px solid var(--color-border-subtle);
  border-radius: 8px;
  color: var(--color-text-secondary);
  padding: 6px 14px;
  margin-right: 12px;
  cursor: pointer;
  font-family: var(--font-body);
  font-size: 0.85rem;
}

.form-success {
  display: none;
  background: rgba(34,197,94,0.1);
  border: 1px solid rgba(34,197,94,0.3);
  border-radius: var(--radius-sm);
  padding: 16px 20px;
  color: var(--color-green);
  text-align: center;
  margin-top: 16px;
}

.form-success.show { display: block; }

/* ===== Lightbox ===== */
.lightbox {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: rgba(0,0,0,0.92);
  align-items: center;
  justify-content: center;
  cursor: zoom-out;
}

.lightbox.open { display: flex; }

.lightbox img {
  max-width: 90vw;
  max-height: 90vh;
  border-radius: 12px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.5);
}

.lightbox-close {
  position: absolute;
  top: 20px;
  right: 24px;
  background: none;
  border: none;
  color: #fff;
  font-size: 2rem;
  cursor: pointer;
}

/* ===== Privacy Accept Button (for privacy plugin) ===== */
.privacy-accept-btn {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 999;
  padding: 16px 24px 24px;
  background: linear-gradient(0deg, var(--color-bg) 60%, transparent 100%);
  display: flex;
  align-items: center;
  justify-content: center;
}

.privacy-accept-btn.hidden { display: none; }

.accept-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 48px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: #fff;
  border: none;
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  box-shadow: 0 4px 20px rgba(249,115,22,0.35);
  transition: all 0.25s ease;
  text-align: center;
  line-height: 1.2;
}

.accept-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(249,115,22,0.45);
}

/* ===== Responsive ===== */
@media (max-width: 900px) {
  .hero-inner {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 40px;
  }
  .hero-content p { margin-left: auto; margin-right: auto; }
  .hero-buttons { justify-content: center; }
  .feature-row {
    grid-template-columns: 1fr;
    gap: 24px;
    text-align: center;
  }
  .feature-row.reverse .feature-text,
  .feature-row.reverse .feature-icon-block {
    order: unset;
  }
  .feature-text { text-align: center; }
  .highlights-grid { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; gap: 28px; }
  .contact-grid { grid-template-columns: 1fr; gap: 32px; }
}

@media (max-width: 640px) {
  .nav-links { display: none; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: rgba(6,11,24,0.98);
    padding: 16px 24px 24px;
    gap: 16px;
    border-bottom: 1px solid var(--color-border-subtle);
  }
  .nav-hamburger { display: block; flex-shrink: 0; }
  .nav-brand { font-size: 1rem; }
  .site-nav { gap: 12px; }
  .hero { min-height: auto; padding: 100px 20px 50px; }
  .hero-content h1 { font-size: 2.2rem; }
  .section { padding: 60px 20px; }
  .section-title { font-size: 1.8rem; }
  .device-frame { width: 240px; }
  .page-header h1 { font-size: 1.8rem; }
  .contact-form-card { padding: 24px 20px; }
}

@media (max-width: 380px) {
  .hero-content h1 { font-size: 1.8rem; }
  .btn { padding: 12px 20px; font-size: 0.9rem; }
  .section-title { font-size: 1.5rem; }
}

/* ===== AOS overrides ===== */
[data-aos] { transition-duration: 0.6s; }