/* ===== UniBucket Landing Page Styles ===== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

/* ---------- Design Tokens ---------- */
:root {
  --navy-950: #020617;
  --navy-900: #0f172a;
  --navy-800: #1e293b;
  --navy-700: #334155;
  --navy-600: #475569;
  --navy-400: #94a3b8;
  --navy-300: #cbd5e1;
  --navy-200: #e2e8f0;
  --navy-100: #f1f5f9;
  --navy-50: #f8fafc;

  --teal: #06b6d4;
  --teal-glow: rgba(6, 182, 212, 0.25);
  --blue: #3b82f6;
  --blue-glow: rgba(59, 130, 246, 0.25);
  --gold: #f59e0b;
  --gold-glow: rgba(245, 158, 11, 0.2);
  --green: #22c55e;
  --green-glow: rgba(34, 197, 94, 0.2);
  --purple: #8b5cf6;

  --gradient-hero: linear-gradient(135deg, var(--navy-950) 0%, #0c1528 40%, #111d3a 70%, var(--navy-900) 100%);
  --gradient-accent: linear-gradient(135deg, var(--teal), var(--blue), var(--purple));
  --gradient-card: linear-gradient(145deg, rgba(30, 41, 59, 0.7), rgba(15, 23, 42, 0.9));

  --glass-bg: rgba(30, 41, 59, 0.4);
  --glass-border: rgba(148, 163, 184, 0.12);
  --glass-blur: 16px;

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;

  --shadow-glow: 0 0 60px rgba(6, 182, 212, 0.08), 0 0 120px rgba(59, 130, 246, 0.06);
  --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.25), 0 1px 4px rgba(0, 0, 0, 0.15);
  --shadow-elevated: 0 8px 40px rgba(0, 0, 0, 0.4), 0 2px 8px rgba(0, 0, 0, 0.2);

  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--navy-950);
  color: var(--navy-200);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: var(--teal);
  text-decoration: none;
  transition: color var(--transition);
}

a:hover {
  color: var(--blue);
}

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

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

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

/* ---------- Navigation ---------- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 16px 0;
  transition: background var(--transition), box-shadow var(--transition), padding var(--transition);
}

.nav.scrolled {
  background: rgba(15, 23, 42, 0.85);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  box-shadow: 0 1px 0 var(--glass-border);
  padding: 10px 0;
}

.nav .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav svg {
  max-width: 24px;
  max-height: 24px;
  width: auto;
  height: auto;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--navy-50);
}

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

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.nav-links a {
  color: var(--navy-400);
  font-size: 0.9rem;
  font-weight: 500;
  transition: color var(--transition);
}

.nav-links a:hover {
  color: var(--navy-50);
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  background: var(--gradient-accent);
  color: #fff !important;
  padding: 8px 20px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.875rem;
  line-height: 1;
  vertical-align: middle;
  transition: transform var(--transition), box-shadow var(--transition);
  overflow: hidden;
  white-space: nowrap;
}

.nav-cta svg {
  width: 15px !important;
  height: 15px !important;
  min-width: 15px;
  min-height: 15px;
  max-width: 15px;
  max-height: 15px;
  flex-shrink: 0;
  display: block;
  position: relative;
  top: 1px;
}

.nav-cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 20px var(--teal-glow);
  color: #fff !important;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--navy-200);
  cursor: pointer;
  padding: 4px;
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-hero);
  overflow: hidden;
  padding: 120px 24px 80px;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle at 30% 40%, var(--teal-glow) 0%, transparent 50%),
    radial-gradient(circle at 70% 60%, var(--blue-glow) 0%, transparent 50%),
    radial-gradient(circle at 50% 80%, var(--gold-glow) 0%, transparent 40%);
  animation: heroGlow 12s ease-in-out infinite alternate;
  pointer-events: none;
}

@keyframes heroGlow {
  0% {
    transform: translate(0, 0) scale(1);
  }

  50% {
    transform: translate(-3%, 2%) scale(1.05);
  }

  100% {
    transform: translate(2%, -2%) scale(0.98);
  }
}

/* Grid dots background */
.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(148, 163, 184, 0.07) 1px, transparent 1px);
  background-size: 32px 32px;
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 800px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(8px);
  padding: 6px 16px;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--teal);
  margin-bottom: 28px;
  animation: fadeInUp 0.8s ease-out;
}

.hero-badge svg {
  width: 14px;
  height: 14px;
}

.hero-icon {
  width: 100px;
  height: 100px;
  border-radius: var(--radius-lg);
  margin: 0 auto 32px;
  animation: float 4s ease-in-out infinite, fadeInUp 0.8s ease-out 0.1s both;
  box-shadow: 0 8px 40px rgba(6, 182, 212, 0.15);
}

@keyframes float {

  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(-12px);
  }
}

.hero h1 {
  font-size: clamp(2.5rem, 6vw, 4.25rem);
  font-weight: 800;
  color: var(--navy-50);
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 20px;
  animation: fadeInUp 0.8s ease-out 0.2s both;
}

.hero h1 .gradient-text {
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: clamp(1.05rem, 2vw, 1.3rem);
  color: var(--navy-400);
  max-width: 560px;
  margin: 0 auto 40px;
  font-weight: 400;
  animation: fadeInUp 0.8s ease-out 0.35s both;
}

.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  animation: fadeInUp 0.8s ease-out 0.5s both;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  border: none;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
}

.btn-primary {
  background: var(--gradient-accent);
  color: #fff;
  box-shadow: 0 4px 20px var(--teal-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px var(--teal-glow);
  color: #fff;
}

.btn-secondary {
  background: var(--glass-bg);
  color: var(--navy-200);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(8px);
}

.btn-secondary:hover {
  background: rgba(51, 65, 85, 0.5);
  transform: translateY(-2px);
  color: var(--navy-50);
}

.btn svg {
  width: 18px;
  height: 18px;
}

/* platform badges under hero CTA */
.hero-platforms {
  display: flex;
  gap: 24px;
  justify-content: center;
  margin-top: 24px;
  animation: fadeInUp 0.8s ease-out 0.6s both;
}

.platform-badge {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--navy-400);
  font-size: 0.8rem;
  font-weight: 500;
}

.platform-badge svg {
  width: 16px;
  height: 16px;
  opacity: 0.7;
}

/* ---------- Screenshots Section ---------- */
.screenshots {
  padding: 100px 0 120px;
  background: var(--navy-950);
  position: relative;
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-label {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--teal);
  margin-bottom: 12px;
}

.section-header h2 {
  font-size: clamp(1.8rem, 4vw, 2.75rem);
  font-weight: 800;
  color: var(--navy-50);
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.section-header p {
  color: var(--navy-400);
  max-width: 520px;
  margin: 0 auto;
  font-size: 1.05rem;
}

.carousel {
  position: relative;
  max-width: 960px;
  margin: 0 auto;
}

.carousel-track {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  background: var(--navy-800);
  box-shadow: var(--shadow-elevated), var(--shadow-glow);
  border: 1px solid var(--glass-border);
  aspect-ratio: 1472 / 1017;
}

.carousel-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.8s ease;
}

.carousel-slide.active {
  opacity: 1;
}

.carousel-slide img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.carousel-caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 40px 32px 24px;
  background: linear-gradient(transparent, rgba(2, 6, 23, 0.85));
  font-size: 0.9rem;
  color: var(--navy-300);
  font-weight: 500;
}

.carousel-nav {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-top: 24px;
}

.carousel-dot {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  border: none;
  background: var(--navy-700);
  cursor: pointer;
  transition: var(--transition);
  padding: 0;
}

.carousel-dot.active {
  background: var(--teal);
  width: 32px;
  box-shadow: 0 0 12px var(--teal-glow);
}

/* ---------- Features ---------- */
.features {
  padding: 120px 0;
  background: var(--navy-900);
  position: relative;
}

.features::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--glass-border), transparent);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.feature-card {
  background: var(--gradient-card);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gradient-accent);
  opacity: 0;
  transition: opacity var(--transition);
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
  border-color: rgba(148, 163, 184, 0.2);
}

.feature-card:hover::before {
  opacity: 1;
}

.feature-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  font-size: 1.4rem;
}

.feature-icon.teal {
  background: rgba(6, 182, 212, 0.12);
  color: var(--teal);
}

.feature-icon.blue {
  background: rgba(59, 130, 246, 0.12);
  color: var(--blue);
}

.feature-icon.gold {
  background: rgba(245, 158, 11, 0.12);
  color: var(--gold);
}

.feature-icon.green {
  background: rgba(34, 197, 94, 0.12);
  color: var(--green);
}

.feature-icon.purple {
  background: rgba(139, 92, 246, 0.12);
  color: var(--purple);
}

.feature-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--navy-50);
  margin-bottom: 10px;
}

.feature-card p {
  font-size: 0.92rem;
  color: var(--navy-400);
  line-height: 1.65;
}

/* ---------- Providers ---------- */
.providers {
  padding: 80px 0;
  background: var(--navy-950);
  text-align: center;
}

.providers-subtitle {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--navy-600);
  font-weight: 600;
  margin-bottom: 40px;
}

.providers-logos {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 56px;
  flex-wrap: wrap;
}

.provider-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--navy-400);
  font-size: 1.1rem;
  font-weight: 600;
  opacity: 0.65;
  transition: opacity var(--transition);
}

.provider-logo:hover {
  opacity: 1;
}

.provider-logo svg {
  width: 36px;
  height: 36px;
}

/* ---------- Tech Stack ---------- */
.tech {
  padding: 100px 0;
  background: var(--navy-900);
  position: relative;
}

.tech::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--glass-border), transparent);
}

.tech-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 20px;
}

.tech-badge {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  padding: 12px 24px;
  border-radius: 999px;
  color: var(--navy-300);
  font-weight: 500;
  font-size: 0.92rem;
  transition: transform var(--transition), border-color var(--transition), background var(--transition);
}

.tech-badge:hover {
  transform: translateY(-2px);
  border-color: rgba(148, 163, 184, 0.25);
  background: rgba(51, 65, 85, 0.4);
}

.tech-badge svg,
.tech-badge img {
  width: 22px;
  height: 22px;
}

/* ---------- Download / CTA ---------- */
.download {
  padding: 120px 0;
  background: var(--gradient-hero);
  position: relative;
  overflow: hidden;
}

.download::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 50%, var(--blue-glow) 0%, transparent 60%);
  pointer-events: none;
}

.download-content {
  position: relative;
  z-index: 2;
  text-align: center;
}

.download-content h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  color: var(--navy-50);
  margin-bottom: 16px;
}

.download-content p {
  color: var(--navy-400);
  font-size: 1.1rem;
  margin-bottom: 40px;
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
}

.download-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.download-btn {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 16px 32px;
  border-radius: var(--radius-md);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(8px);
  color: var(--navy-200);
  font-weight: 600;
  font-size: 0.95rem;
  transition: transform var(--transition), background var(--transition), border-color var(--transition);
  cursor: pointer;
  text-decoration: none;
}

.download-btn:hover {
  transform: translateY(-3px);
  background: rgba(51, 65, 85, 0.5);
  border-color: rgba(148, 163, 184, 0.25);
  color: var(--navy-50);
}

.download-btn svg {
  width: 24px;
  height: 24px;
}

.download-btn span {
  text-align: left;
}

.download-btn .btn-small {
  display: block;
  font-size: 0.7rem;
  font-weight: 400;
  color: var(--navy-400);
}

/* ---------- Footer ---------- */
.footer {
  padding: 48px 0;
  background: var(--navy-950);
  border-top: 1px solid var(--glass-border);
}

.footer .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  color: var(--navy-300);
  font-size: 0.9rem;
}

.footer-brand img {
  width: 24px;
  height: 24px;
  border-radius: 6px;
}

.footer-links {
  display: flex;
  gap: 24px;
  list-style: none;
}

.footer-links a {
  color: var(--navy-400);
  font-size: 0.85rem;
  font-weight: 500;
}

.footer-links a:hover {
  color: var(--navy-200);
}

.footer-copy {
  color: var(--navy-600);
  font-size: 0.8rem;
}

/* ---------- Animations ---------- */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

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

@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: var(--navy-900);
    flex-direction: column;
    align-items: flex-start;
    padding: 80px 32px 32px;
    gap: 24px;
    transition: right var(--transition);
    box-shadow: -4px 0 24px rgba(0, 0, 0, 0.4);
    border-left: 1px solid var(--glass-border);
  }

  .nav-links.open {
    right: 0;
  }

  .nav-toggle {
    display: block;
  }

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

  .hero {
    padding: 100px 20px 60px;
  }

  .hero h1 {
    font-size: 2.2rem;
  }

  .providers-logos {
    gap: 32px;
  }

  .download-buttons {
    flex-direction: column;
    align-items: center;
  }

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

@media (max-width: 480px) {
  .hero-actions {
    flex-direction: column;
    align-items: center;
  }

  .hero-platforms {
    flex-direction: column;
    gap: 12px;
  }

  .carousel-track {
    border-radius: var(--radius-md);
    aspect-ratio: 4 / 3;
  }
}