/* ============================================================
   ShareFuze Landing Page — Design System & Styles
   Brand palette from Project Unhinged
   ============================================================ */

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

/* ---------- Custom Properties (Design Tokens) ---------- */
:root {
  /* Brand colours */
  --deep-navy:   #081a2e;
  --near-black:  #0e1317;
  --brand-teal:  #00a3a1;
  --aged-gold:   #c49a3a;
  --warm-cream:  #f0d3a1;
  --cool-light:  #d6e4e4;

  /* Extended palette */
  --teal-glow:   rgba(0, 163, 161, 0.35);
  --gold-glow:   rgba(196, 154, 58, 0.25);
  --glass-bg:    rgba(8, 26, 46, 0.55);
  --glass-border: rgba(214, 228, 228, 0.08);
  --text-primary:   #f0d3a1;
  --text-secondary: #9ab0b0;
  --text-body:      #b8c8c8;

  /* Typography */
  --font-display: 'Outfit', sans-serif;
  --font-body:    'Inter', sans-serif;

  /* Spacing */
  --section-pad: clamp(4rem, 10vw, 8rem);
  --container-max: 1200px;

  /* Transitions */
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
}

/* ---------- Reset ---------- */
*, *::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: var(--font-body);
  background: var(--near-black);
  color: var(--text-body);
  line-height: 1.6;
  overflow-x: hidden;
}

a {
  color: var(--brand-teal);
  text-decoration: none;
  transition: color 0.3s ease;
}

a:hover {
  color: var(--warm-cream);
}

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

/* ---------- Utility ---------- */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 clamp(1.25rem, 4vw, 2.5rem);
}

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

/* ---------- Background canvas ---------- */
.bg-canvas {
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(ellipse 80% 60% at 20% 0%, rgba(0,163,161,0.07) 0%, transparent 70%),
    radial-gradient(ellipse 60% 50% at 80% 20%, rgba(196,154,58,0.05) 0%, transparent 70%),
    linear-gradient(180deg, var(--deep-navy) 0%, var(--near-black) 100%);
}

/* Animated floating orbs */
.bg-canvas::before,
.bg-canvas::after {
  content: '';
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  animation: float 20s ease-in-out infinite;
}

.bg-canvas::before {
  width: 600px;
  height: 600px;
  background: rgba(0, 163, 161, 0.06);
  top: -200px;
  left: -100px;
}

.bg-canvas::after {
  width: 500px;
  height: 500px;
  background: rgba(196, 154, 58, 0.04);
  bottom: -200px;
  right: -100px;
  animation-delay: -10s;
}

@keyframes float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33%      { transform: translate(30px, -40px) scale(1.05); }
  66%      { transform: translate(-20px, 20px) scale(0.95); }
}

/* ---------- Navigation ---------- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 1.25rem 0;
  transition: background 0.4s ease, box-shadow 0.4s ease, padding 0.4s ease;
}

.nav.scrolled {
  background: rgba(8, 26, 46, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 1px 0 var(--glass-border);
  padding: 0.75rem 0;
}

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

.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.nav-logo {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  object-fit: cover;
}

.nav-name {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.5rem;
  color: var(--warm-cream);
  letter-spacing: -0.02em;
}

.nav-name span {
  color: var(--brand-teal);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
}

.nav-links a {
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.3s ease;
}

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

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 1.5rem;
  background: linear-gradient(135deg, var(--brand-teal), #00c4c2);
  color: var(--near-black) !important;
  font-weight: 600;
  font-size: 0.875rem;
  border-radius: 50px;
  transition: transform 0.3s var(--ease-out-expo), box-shadow 0.3s ease;
}

.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px var(--teal-glow);
  color: var(--near-black) !important;
}

/* Mobile nav toggle */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--warm-cream);
  margin: 5px 0;
  transition: all 0.3s ease;
  border-radius: 2px;
}

/* ---------- Hero Section ---------- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 6rem;
  position: relative;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--brand-teal);
  margin-bottom: 1.5rem;
  backdrop-filter: blur(10px);
}

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

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%      { opacity: 0.5; transform: scale(0.8); }
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  font-weight: 900;
  line-height: 1.05;
  color: var(--warm-cream);
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
}

.hero h1 .accent {
  background: linear-gradient(135deg, var(--brand-teal), #00d4d2);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  font-size: 1.15rem;
  color: var(--text-secondary);
  max-width: 480px;
  margin-bottom: 2.5rem;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.9rem 2rem;
  background: linear-gradient(135deg, var(--brand-teal), #00c4c2);
  color: var(--near-black);
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 1rem;
  border: none;
  border-radius: 50px;
  cursor: pointer;
  transition: transform 0.3s var(--ease-out-expo), box-shadow 0.3s ease;
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 40px var(--teal-glow);
  color: var(--near-black);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.9rem 2rem;
  background: transparent;
  color: var(--warm-cream);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 1rem;
  border: 1px solid rgba(240, 211, 161, 0.2);
  border-radius: 50px;
  cursor: pointer;
  transition: all 0.3s ease;
}

.btn-secondary:hover {
  background: rgba(240, 211, 161, 0.08);
  border-color: rgba(240, 211, 161, 0.4);
  color: var(--warm-cream);
}

/* Hero visual — floating app mockup */
.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-mockup {
  position: relative;
  width: 100%;
  max-width: 520px;
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid var(--glass-border);
  box-shadow:
    0 40px 80px rgba(0,0,0,0.4),
    0 0 80px var(--teal-glow);
  animation: mockup-float 6s ease-in-out infinite;
}

@keyframes mockup-float {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-12px); }
}

.hero-mockup img {
  width: 100%;
  display: block;
}

/* Glow ring behind mockup */
.hero-visual::before {
  content: '';
  position: absolute;
  width: 80%;
  height: 80%;
  border-radius: 50%;
  background: radial-gradient(circle, var(--teal-glow) 0%, transparent 70%);
  filter: blur(60px);
  z-index: -1;
}

/* ---------- Stats bar ---------- */
.stats-bar {
  padding: 3rem 0;
  border-top: 1px solid var(--glass-border);
  border-bottom: 1px solid var(--glass-border);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  text-align: center;
}

.stat-item h3 {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 800;
  color: var(--brand-teal);
  margin-bottom: 0.25rem;
}

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

/* ---------- Features Section ---------- */
.features {
  padding: var(--section-pad) 0;
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--brand-teal);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: 1rem;
}

.section-label::before {
  content: '';
  width: 24px;
  height: 2px;
  background: var(--brand-teal);
  border-radius: 2px;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  color: var(--warm-cream);
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
  max-width: 600px;
}

.section-desc {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 560px;
  margin-bottom: 3.5rem;
  line-height: 1.7;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.feature-card {
  position: relative;
  padding: 2rem;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  transition: transform 0.4s var(--ease-out-expo), box-shadow 0.4s ease, border-color 0.4s ease;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--brand-teal), transparent);
  opacity: 0;
  transition: opacity 0.4s ease;
}

.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 60px rgba(0,0,0,0.3);
  border-color: rgba(0, 163, 161, 0.2);
}

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

.feature-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 1.25rem;
  background: linear-gradient(135deg, rgba(0,163,161,0.15), rgba(0,163,161,0.05));
  border: 1px solid rgba(0,163,161,0.15);
}

.feature-card:nth-child(even) .feature-icon {
  background: linear-gradient(135deg, rgba(196,154,58,0.15), rgba(196,154,58,0.05));
  border-color: rgba(196,154,58,0.15);
}

.feature-card h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--warm-cream);
  margin-bottom: 0.75rem;
}

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

/* ---------- Showcase / How it Works ---------- */
.showcase {
  padding: var(--section-pad) 0;
}

.showcase-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.showcase-visual {
  position: relative;
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid var(--glass-border);
  box-shadow: 0 30px 80px rgba(0,0,0,0.3);
}

.showcase-visual img {
  width: 100%;
  display: block;
}

.showcase-steps {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.step {
  display: flex;
  gap: 1.25rem;
  align-items: flex-start;
}

.step-number {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.1rem;
  color: var(--near-black);
  background: linear-gradient(135deg, var(--brand-teal), #00c4c2);
}

.step h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--warm-cream);
  margin-bottom: 0.4rem;
}

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

/* ---------- CTA / Waitlist Section ---------- */
.cta-section {
  padding: var(--section-pad) 0;
}

.cta-card {
  position: relative;
  padding: clamp(3rem, 6vw, 5rem);
  background:
    linear-gradient(135deg, rgba(0,163,161,0.08), rgba(196,154,58,0.05));
  border: 1px solid var(--glass-border);
  border-radius: 28px;
  text-align: center;
  overflow: hidden;
}

.cta-card::before {
  content: '';
  position: absolute;
  top: -1px;
  left: 20%;
  right: 20%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--brand-teal), var(--aged-gold), transparent);
}

.cta-card h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  color: var(--warm-cream);
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}

.cta-card p {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 500px;
  margin: 0 auto 2.5rem;
  line-height: 1.7;
}

.waitlist-form {
  display: flex;
  gap: 0.75rem;
  max-width: 480px;
  margin: 0 auto;
}

.waitlist-form input {
  flex: 1;
  padding: 0.9rem 1.25rem;
  background: rgba(8, 26, 46, 0.8);
  border: 1px solid var(--glass-border);
  border-radius: 50px;
  color: var(--warm-cream);
  font-family: var(--font-body);
  font-size: 0.95rem;
  outline: none;
  transition: border-color 0.3s ease;
}

.waitlist-form input::placeholder {
  color: var(--text-secondary);
}

.waitlist-form input:focus {
  border-color: var(--brand-teal);
}

.waitlist-form button {
  padding: 0.9rem 2rem;
  background: linear-gradient(135deg, var(--aged-gold), #d4aa4a);
  color: var(--near-black);
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.95rem;
  border: none;
  border-radius: 50px;
  cursor: pointer;
  white-space: nowrap;
  transition: transform 0.3s var(--ease-out-expo), box-shadow 0.3s ease;
}

.waitlist-form button:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px var(--gold-glow);
}

.waitlist-note {
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-top: 1rem;
  opacity: 0.7;
}

/* ---------- Footer ---------- */
.footer {
  padding: 3rem 0;
  border-top: 1px solid var(--glass-border);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.footer-logo {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  object-fit: cover;
}

.footer-name {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--warm-cream);
  font-size: 1.1rem;
}

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

.footer-links {
  display: flex;
  gap: 1.5rem;
  list-style: none;
}

.footer-links a {
  color: var(--text-secondary);
  font-size: 0.85rem;
  font-weight: 500;
  transition: color 0.3s ease;
}

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

/* Social icons */
.social-links {
  display: flex;
  gap: 0.75rem;
}

.social-link {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  color: var(--text-secondary);
  font-size: 1.1rem;
  transition: all 0.3s ease;
}

.social-link:hover {
  background: rgba(0,163,161,0.15);
  border-color: rgba(0,163,161,0.3);
  color: var(--brand-teal);
  transform: translateY(-2px);
}

/* ---------- Scroll reveal animation ---------- */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s var(--ease-out-expo), transform 0.8s var(--ease-out-expo);
}

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

/* ---------- CNAME (GitHub Pages custom domain) ---------- */

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 3rem;
  }

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

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

  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .showcase-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    background: rgba(8, 26, 46, 0.95);
    backdrop-filter: blur(20px);
    padding: 1.5rem;
    gap: 1rem;
    border-bottom: 1px solid var(--glass-border);
  }

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

  .nav-toggle {
    display: block;
  }

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

  .waitlist-form {
    flex-direction: column;
  }

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

@media (max-width: 480px) {
  .stats-grid {
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
  }

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