/* ============================
   AnimationStation Website Styles
   Dark Futuristic NEON Theme
   ============================ */

:root {
  /* Core surfaces */
  --bg: #080B16;
  --bg-elev: #0E1424;
  --surface: #131A2B;
  --surface-2: #1A2338;
  --glass: rgba(255, 255, 255, 0.05);
  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.16);

  /* Text */
  --text: #EAF0FF;
  --text-2: #98A4C4;
  --text-3: #5E6B8C;

  /* Neon accents */
  --cyan: #22D3EE;
  --blue: #4C7DFF;
  --purple: #A855F7;
  --magenta: #F472B6;
  --danger: #FF5C72;
  --success: #34D399;

  /* Gradients */
  --grad-primary: linear-gradient(90deg, #22D3EE, #A855F7);
  --grad-image-card: linear-gradient(135deg, #7C3AED, #C026D3);
  --grad-video-card: linear-gradient(135deg, #0EA5E9, #06B6D4);

  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 4rem;
  --spacing-4xl: 6rem;

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 18px;
  --radius-xl: 22px;
  --radius-full: 9999px;

  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.45);
  --shadow-lg: 0 18px 48px rgba(0, 0, 0, 0.55);
  --glow-cyan: 0 0 32px rgba(34, 211, 238, 0.35);
  --glow-purple: 0 0 32px rgba(168, 85, 247, 0.35);

  --transition-fast: 150ms ease;
  --transition-normal: 250ms ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  /* Faint constellation / radial glow field (CSS only, no images). */
  background-image:
    radial-gradient(900px 600px at 82% -6%, rgba(168, 85, 247, 0.16), transparent 60%),
    radial-gradient(800px 560px at 8% 4%, rgba(34, 211, 238, 0.12), transparent 62%),
    radial-gradient(1100px 700px at 50% 108%, rgba(76, 125, 255, 0.10), transparent 60%);
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100vh;
}

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

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  color: var(--text);
  letter-spacing: -0.01em;
}

h1 { font-size: 3.5rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }

@media (max-width: 768px) {
  h1 { font-size: 2.5rem; }
  h2 { font-size: 2rem; }
}

/* Gradient text utility */
.grad-text {
  background: var(--grad-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Container */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-xl);
}

/* ---- Brand wordmark ---- */
.nav-logo {
  font-size: 1.4rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.logo-evo {
  color: var(--text);
}

.logo-face {
  background: var(--grad-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
  font-family: inherit;
}

.btn-primary {
  background: var(--grad-primary);
  color: #07101E;
  border-color: transparent;
  box-shadow: var(--glow-cyan);
}

.btn-primary:hover {
  filter: brightness(1.08);
  transform: translateY(-1px);
  box-shadow: 0 0 40px rgba(168, 85, 247, 0.5);
}

.btn-secondary {
  background: var(--glass);
  color: var(--text);
  border-color: var(--border-strong);
  backdrop-filter: blur(8px);
}

.btn-secondary:hover {
  border-color: var(--cyan);
  color: #fff;
  box-shadow: 0 0 18px rgba(34, 211, 238, 0.25);
}

.btn-lg {
  padding: 1rem 2.1rem;
  font-size: 1.1rem;
}

/* Navigation */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(8, 11, 22, 0.72);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--spacing-md) var(--spacing-xl);
}

.nav-links {
  display: flex;
  gap: var(--spacing-xl);
}

.nav-links a {
  font-weight: 500;
  color: var(--text-2);
  transition: color var(--transition-fast);
}

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

.nav-auth, .nav-user {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.user-greeting {
  font-weight: 500;
  color: var(--text-2);
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
  }
}

/* Hero Section */
.hero {
  display: flex;
  align-items: center;
  min-height: 100vh;
  padding: calc(80px + var(--spacing-4xl)) var(--spacing-xl) var(--spacing-4xl);
  max-width: 1200px;
  margin: 0 auto;
  gap: var(--spacing-4xl);
}

.hero-content {
  flex: 1;
}

.hero-title {
  font-size: 4rem;
  font-weight: 800;
  line-height: 1.05;
  margin-bottom: var(--spacing-lg);
  letter-spacing: -0.03em;
}

.hero-highlight {
  background: var(--grad-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--text-2);
  line-height: 1.7;
  margin-bottom: var(--spacing-2xl);
  max-width: 500px;
}

.hero-cta {
  display: flex;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

.hero-image {
  flex: 1;
  display: flex;
  justify-content: center;
}

/* Pure-CSS neon hero visual panel (no external image needed) */
.hero-visual {
  position: relative;
  width: 100%;
  max-width: 440px;
  aspect-ratio: 4 / 5;
  border-radius: var(--radius-xl);
  background:
    radial-gradient(120% 90% at 70% 20%, rgba(168, 85, 247, 0.45), transparent 55%),
    radial-gradient(120% 90% at 20% 80%, rgba(34, 211, 238, 0.4), transparent 55%),
    linear-gradient(160deg, var(--surface-2), var(--bg-elev));
  border: 1px solid var(--border-strong);
  box-shadow: var(--shadow-lg), var(--glow-purple);
  overflow: hidden;
  isolation: isolate;
}

.hero-visual::before {
  /* Orbiting neon ring */
  content: "";
  position: absolute;
  inset: 18%;
  border-radius: 50%;
  background: conic-gradient(from 0deg, var(--cyan), var(--purple), var(--magenta), var(--cyan));
  filter: blur(26px);
  opacity: 0.55;
  animation: spin 14s linear infinite;
}

.hero-visual::after {
  /* Glass core */
  content: "";
  position: absolute;
  inset: 30%;
  border-radius: 50%;
  background: radial-gradient(circle at 40% 35%, rgba(255, 255, 255, 0.35), rgba(255, 255, 255, 0.02) 60%);
  border: 1px solid var(--border-strong);
  backdrop-filter: blur(4px);
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

@media (max-width: 968px) {
  .hero {
    flex-direction: column;
    text-align: center;
    padding-top: calc(80px + var(--spacing-2xl));
  }
  .hero-title { font-size: 3rem; }
  .hero-subtitle { margin-left: auto; margin-right: auto; }
  .hero-cta { justify-content: center; }
  .hero-visual { max-width: 320px; }
}

/* Section Styles */
.section-title {
  text-align: center;
  margin-bottom: var(--spacing-md);
}

.section-subtitle {
  text-align: center;
  color: var(--text-2);
  font-size: 1.1rem;
  margin-bottom: var(--spacing-3xl);
}

/* Glass card base */
.glass-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(6px);
}

/* Create-with-AI Section */
.create {
  padding: var(--spacing-4xl) var(--spacing-xl);
}

.create-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-xl);
  max-width: 960px;
  margin: 0 auto;
}

.create-card {
  position: relative;
  padding: var(--spacing-2xl);
  border-radius: var(--radius-lg);
  color: #fff;
  overflow: hidden;
  border: 1px solid var(--border-strong);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
  min-height: 220px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}

.create-card.image-card { background: var(--grad-image-card); box-shadow: var(--glow-purple); }
.create-card.video-card { background: var(--grad-video-card); box-shadow: var(--glow-cyan); }

.create-card:hover {
  transform: translateY(-6px);
}

.create-card .card-icon {
  position: absolute;
  top: var(--spacing-xl);
  left: var(--spacing-2xl);
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.18);
  border: 1px solid rgba(255, 255, 255, 0.25);
  backdrop-filter: blur(6px);
}

.create-card h3 { color: #fff; margin-bottom: var(--spacing-sm); }
.create-card p { color: rgba(255, 255, 255, 0.9); font-size: 0.95rem; }

.create-card .card-tag {
  margin-top: var(--spacing-md);
  display: inline-flex;
  align-self: flex-start;
  padding: 0.3rem 0.8rem;
  border-radius: var(--radius-full);
  background: rgba(0, 0, 0, 0.28);
  font-size: 0.82rem;
  font-weight: 600;
}

/* Why AnimationStation (feature) cards */
.features {
  padding: var(--spacing-4xl) var(--spacing-xl);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--spacing-xl);
}

.feature-card {
  background: var(--surface);
  padding: var(--spacing-2xl);
  border-radius: var(--radius-lg);
  text-align: center;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal), border-color var(--transition-normal);
}

.feature-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-strong);
  box-shadow: var(--shadow-md), 0 0 24px rgba(34, 211, 238, 0.14);
}

.feature-icon {
  margin: 0 auto var(--spacing-lg);
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  font-size: 1.6rem;
  background: var(--glass);
  border: 1px solid var(--border-strong);
}

.feature-card h3 { margin-bottom: var(--spacing-md); }

.feature-card p {
  color: var(--text-2);
  font-size: 0.95rem;
}

/* Download Section */
.download {
  padding: var(--spacing-4xl) var(--spacing-xl);
  text-align: center;
}

.download-inner {
  max-width: 820px;
  margin: 0 auto;
  padding: var(--spacing-3xl) var(--spacing-xl);
  border-radius: var(--radius-xl);
  background: var(--surface);
  border: 1px solid var(--border-strong);
  box-shadow: var(--shadow-md), var(--glow-purple);
}

.download-buttons {
  display: flex;
  justify-content: center;
  gap: var(--spacing-lg);
  margin: var(--spacing-xl) 0;
  flex-wrap: wrap;
}

.store-badge {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 10px 18px;
  min-width: 190px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-strong);
  text-decoration: none;
  position: relative;
}

.store-badge .badge-logo {
  width: 28px;
  height: 28px;
  flex-shrink: 0;
}

.store-badge .badge-text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
  text-align: left;
  color: var(--text);
}

.store-badge .badge-text small {
  font-size: 0.62rem;
  font-weight: 400;
  letter-spacing: 0.03em;
  opacity: 0.85;
}

.store-badge .badge-text strong {
  font-size: 1.1rem;
  font-weight: 600;
}

.download-note {
  color: var(--text-3);
  font-size: 0.9rem;
}

.store-badge-live {
  transition: border-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

.store-badge-live:hover {
  border-color: var(--cyan);
  transform: translateY(-1px);
  box-shadow: 0 0 20px rgba(34, 211, 238, 0.25);
}

.store-badge-soon {
  opacity: 0.6;
  cursor: default;
}

.store-badge-soon .soon-pill {
  position: absolute;
  top: -10px;
  right: -8px;
  background: var(--grad-primary);
  color: #07101E;
  font-size: 0.58rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 3px 8px;
  border-radius: 999px;
}

/* Footer */
.footer {
  padding: var(--spacing-3xl) var(--spacing-xl) var(--spacing-xl);
  background: var(--bg-elev);
  border-top: 1px solid var(--border);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--spacing-2xl);
  margin-bottom: var(--spacing-2xl);
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
}

.footer-brand p {
  color: var(--text-3);
  margin-top: var(--spacing-md);
}

.footer-links h4 {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-3);
  margin-bottom: var(--spacing-md);
}

.footer-links a {
  display: block;
  color: var(--text-2);
  padding: var(--spacing-xs) 0;
  transition: color var(--transition-fast);
}

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

.footer-bottom {
  padding-top: var(--spacing-xl);
  border-top: 1px solid var(--border);
  text-align: center;
  color: var(--text-3);
  font-size: 0.9rem;
  max-width: 1200px;
  margin: 0 auto;
}

@media (max-width: 768px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
  }
  .footer-brand {
    grid-column: 1 / -1;
  }
}

/* Auth Pages */
.auth-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-xl);
}

.auth-card {
  background: var(--surface);
  padding: var(--spacing-3xl);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg), 0 0 40px rgba(34, 211, 238, 0.08);
  border: 1px solid var(--border-strong);
  width: 100%;
  max-width: 420px;
}

.auth-header {
  text-align: center;
  margin-bottom: var(--spacing-2xl);
}

.auth-header h1 {
  font-size: 1.75rem;
  margin-bottom: var(--spacing-sm);
  margin-top: var(--spacing-md);
}

.auth-header p {
  color: var(--text-2);
}

.form-group {
  margin-bottom: var(--spacing-lg);
}

.form-group label {
  display: block;
  font-weight: 500;
  margin-bottom: var(--spacing-sm);
  color: var(--text-2);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.875rem 1rem;
  font-size: 1rem;
  color: var(--text);
  background: var(--bg-elev);
  border: 1.5px solid var(--border-strong);
  border-radius: var(--radius-sm);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--cyan);
  box-shadow: 0 0 0 3px rgba(34, 211, 238, 0.15);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-3);
}

.auth-card .btn {
  width: 100%;
  margin-top: var(--spacing-md);
}

.auth-footer {
  text-align: center;
  margin-top: var(--spacing-xl);
  color: var(--text-2);
}

.auth-footer a {
  color: var(--cyan);
  font-weight: 600;
}

.auth-error {
  background: rgba(255, 92, 114, 0.12);
  color: #FF9AAB;
  border: 1px solid rgba(255, 92, 114, 0.35);
  padding: var(--spacing-md);
  border-radius: var(--radius-sm);
  margin-bottom: var(--spacing-lg);
  font-size: 0.9rem;
  display: none;
}

.auth-error.visible { display: block; }

.auth-success {
  background: rgba(52, 211, 153, 0.12);
  color: #7DE9C3;
  border: 1px solid rgba(52, 211, 153, 0.35);
  padding: var(--spacing-md);
  border-radius: var(--radius-sm);
  margin-bottom: var(--spacing-lg);
  font-size: 0.9rem;
  display: none;
}

.auth-success.visible { display: block; }

.auth-error a, .auth-success a { color: inherit; text-decoration: underline; }