/* ============================================
   VIBEBUILDS.IO — COMING SOON PAGE
   Design: Dark-native dev marketplace
   Fonts: Clash Display + Satoshi (Fontshare)
   ============================================ */

/* ---- Design Tokens ---- */
:root {
  /* Type Scale */
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.75vw, 1.5rem);
  --text-xl: clamp(1.5rem, 1.2rem + 1.25vw, 2.25rem);
  --text-2xl: clamp(2rem, 1.2rem + 2.5vw, 3.5rem);
  --text-3xl: clamp(2.5rem, 1rem + 4vw, 5rem);

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-full: 9999px;

  /* Transitions */
  --transition: 180ms cubic-bezier(0.16, 1, 0.3, 1);

  /* Fonts */
  --font-display: 'Clash Display', 'SF Pro Display', system-ui, sans-serif;
  --font-body: 'Satoshi', 'Inter', system-ui, sans-serif;

  /* Layout */
  --content-default: 1100px;
  --content-narrow: 760px;
}

/* ---- Light Mode ---- */
:root, [data-theme="light"] {
  --color-bg: #f8f8f6;
  --color-surface: #ffffff;
  --color-surface-2: #f2f2ef;
  --color-border: #e2e2de;
  --color-divider: #ebebea;
  --color-text: #111110;
  --color-text-muted: #6b6b68;
  --color-text-faint: #b0b0ac;
  --color-text-inverse: #ffffff;
  --color-accent: #7c3aed;
  --color-accent-hover: #6d28d9;
  --color-accent-glow: rgba(124, 58, 237, 0.15);
  --color-accent-soft: rgba(124, 58, 237, 0.08);
  --color-accent-2: #06b6d4;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.08);
  --shadow-lg: 0 12px 40px rgba(0,0,0,0.12);
  --grid-color: rgba(0,0,0,0.04);
  --glow-1: rgba(124, 58, 237, 0.12);
  --glow-2: rgba(6, 182, 212, 0.08);
}

/* ---- Dark Mode (default) ---- */
[data-theme="dark"] {
  --color-bg: #0d0d0f;
  --color-surface: #131316;
  --color-surface-2: #18181c;
  --color-border: #27272a;
  --color-divider: #1f1f23;
  --color-text: #ededec;
  --color-text-muted: #8c8c8a;
  --color-text-faint: #4a4a48;
  --color-text-inverse: #0d0d0f;
  --color-accent: #a78bfa;
  --color-accent-hover: #c4b5fd;
  --color-accent-glow: rgba(167, 139, 250, 0.2);
  --color-accent-soft: rgba(167, 139, 250, 0.08);
  --color-accent-2: #22d3ee;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.3);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.4);
  --shadow-lg: 0 12px 40px rgba(0,0,0,0.5);
  --grid-color: rgba(255,255,255,0.03);
  --glow-1: rgba(167, 139, 250, 0.15);
  --glow-2: rgba(34, 211, 238, 0.08);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --color-bg: #0d0d0f;
    --color-surface: #131316;
    --color-surface-2: #18181c;
    --color-border: #27272a;
    --color-divider: #1f1f23;
    --color-text: #ededec;
    --color-text-muted: #8c8c8a;
    --color-text-faint: #4a4a48;
    --color-text-inverse: #0d0d0f;
    --color-accent: #a78bfa;
    --color-accent-hover: #c4b5fd;
    --color-accent-glow: rgba(167, 139, 250, 0.2);
    --color-accent-soft: rgba(167, 139, 250, 0.08);
    --color-accent-2: #22d3ee;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.3);
    --shadow-md: 0 4px 16px rgba(0,0,0,0.4);
    --shadow-lg: 0 12px 40px rgba(0,0,0,0.5);
    --grid-color: rgba(255,255,255,0.03);
    --glow-1: rgba(167, 139, 250, 0.15);
    --glow-2: rgba(34, 211, 238, 0.08);
  }
}

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

html {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
  scroll-padding-top: var(--space-16);
}

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

img, svg { display: block; max-width: 100%; }
ul[role="list"] { list-style: none; }
input, button, select { font: inherit; color: inherit; }
h1, h2, h3, h4 { text-wrap: balance; line-height: 1.1; }
p, li { text-wrap: pretty; }
button { cursor: pointer; background: none; border: none; }

a, button, [role="button"], input, select {
  transition: color var(--transition), background var(--transition), border-color var(--transition), box-shadow var(--transition), opacity var(--transition);
}

:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

::selection {
  background: var(--color-accent-glow);
  color: var(--color-text);
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

/* ---- Utility ---- */
.center { text-align: center; }
.gradient-text {
  background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-2) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ---- Layout ---- */
.section-inner {
  max-width: var(--content-default);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.header-inner,
.footer-inner {
  max-width: var(--content-default);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

/* ---- Header ---- */
.header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--color-bg) 85%, transparent);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-divider);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
  gap: var(--space-4);
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  color: var(--color-text);
}

.logo-text {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--text-lg);
  letter-spacing: -0.02em;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.theme-toggle {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
}

.theme-toggle:hover {
  color: var(--color-text);
  background: var(--color-surface);
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-lg);
  font-family: var(--font-body);
  font-weight: 500;
  font-size: var(--text-sm);
  text-decoration: none;
  border: none;
  cursor: pointer;
  white-space: nowrap;
}

.btn-primary {
  background: var(--color-accent);
  color: white;
  box-shadow: 0 0 0 0 var(--color-accent-glow);
}

.btn-primary:hover {
  background: var(--color-accent-hover);
  box-shadow: 0 0 20px var(--color-accent-glow);
  transform: translateY(-1px);
}

.btn-sm { padding: var(--space-2) var(--space-4); font-size: var(--text-xs); }
.btn-lg { padding: var(--space-4) var(--space-8); font-size: var(--text-base); font-weight: 600; }

/* ---- Hero ---- */
.hero {
  position: relative;
  min-height: calc(100dvh - 60px);
  display: flex;
  align-items: center;
  overflow: hidden;
  padding: clamp(var(--space-16), 10vw, var(--space-32)) 0;
}

/* Dot grid background */
.hero-grid {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(var(--grid-color) 1px, transparent 1px);
  background-size: 28px 28px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 20%, transparent 100%);
  pointer-events: none;
}

/* Glow orbs */
.glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
  z-index: 0;
}

.glow-1 {
  width: 600px;
  height: 600px;
  background: var(--glow-1);
  top: -200px;
  left: -100px;
}

.glow-2 {
  width: 400px;
  height: 400px;
  background: var(--glow-2);
  bottom: -100px;
  right: 0;
}

.glow-3 {
  width: 500px;
  height: 500px;
  background: var(--glow-1);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.hero-inner {
  position: relative;
  z-index: 1;
  max-width: var(--content-default);
  margin: 0 auto;
  padding: 0 var(--space-6);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--space-8);
}

/* Badge */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  background: var(--color-accent-soft);
  border: 1px solid color-mix(in srgb, var(--color-accent) 25%, transparent);
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.badge-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--color-accent);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(0.8); }
}

/* Hero heading */
.hero-heading {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--color-text);
  line-height: 1.05;
  max-width: 14ch;
}

.hero-sub {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  max-width: 60ch;
  line-height: 1.65;
}

.br-desktop { display: block; }

/* ---- Waitlist Form ---- */
.waitlist-form {
  width: 100%;
  max-width: 660px;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  align-items: center;
}

.form-row {
  display: flex;
  gap: var(--space-3);
  width: 100%;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
}

.input-group {
  flex: 1;
  min-width: 220px;
}

.input-group input[type="email"] {
  width: 100%;
  padding: var(--space-4) var(--space-5);
  background: var(--color-surface);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-lg);
  font-size: var(--text-base);
  color: var(--color-text);
  outline: none;
}

.input-group input[type="email"]:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-glow);
}

.input-group input[type="email"]::placeholder {
  color: var(--color-text-faint);
}

/* Role toggle */
.role-toggle {
  display: flex;
  background: var(--color-surface);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  flex-shrink: 0;
}

.role-btn {
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  background: transparent;
  border: none;
  border-radius: 0;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
}

.role-btn:hover { color: var(--color-text); }
.role-btn.active {
  background: var(--color-accent);
  color: white;
}

.form-note {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}

.form-success {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: 500;
  color: #4ade80;
  background: rgba(74, 222, 128, 0.08);
  border: 1px solid rgba(74, 222, 128, 0.2);
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-lg);
}

/* Social proof */
.waitlist-social {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-top: calc(var(--space-4) * -1);
}

.avatar-stack {
  display: flex;
}

.avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 2px solid var(--color-bg);
  background: var(--color-surface-2);
  border: 2px solid var(--color-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 9px;
  font-weight: 600;
  color: var(--color-text-muted);
  margin-left: -8px;
}
.avatar:first-child { margin-left: 0; }
.av1 { background: #7c3aed; color: white; }
.av2 { background: #06b6d4; color: white; }
.av3 { background: #10b981; color: white; }
.av4 { background: var(--color-surface-2); color: var(--color-text-muted); }

.waitlist-count {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  max-width: none;
}

/* ---- Sections shared ---- */
section {
  padding: clamp(var(--space-16), 8vw, var(--space-32)) 0;
}

.section-label {
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-accent);
  margin-bottom: var(--space-4);
  max-width: none;
}

.section-heading {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 700;
  letter-spacing: -0.025em;
  color: var(--color-text);
  margin-bottom: var(--space-12);
  line-height: 1.1;
}

.section-heading.large {
  font-size: var(--text-3xl);
  margin-bottom: var(--space-6);
}

/* ---- How It Works ---- */
.how-it-works {
  background: var(--color-surface);
  border-top: 1px solid var(--color-divider);
  border-bottom: 1px solid var(--color-divider);
}

.how-it-works .section-inner { text-align: center; }
.how-it-works .section-heading { margin-bottom: var(--space-12); }

.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.step-card {
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-2xl);
  padding: var(--space-8);
  text-align: left;
  position: relative;
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}

.step-card:hover {
  border-color: color-mix(in srgb, var(--color-accent) 40%, var(--color-border));
  box-shadow: 0 8px 32px var(--color-accent-glow);
  transform: translateY(-2px);
}

.step-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-lg);
  background: var(--color-accent-soft);
  border: 1px solid color-mix(in srgb, var(--color-accent) 20%, transparent);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
  margin-bottom: var(--space-5);
}

.step-num {
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--color-text-faint);
  letter-spacing: 0.1em;
  margin-bottom: var(--space-3);
}

.step-card h3 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
  margin-bottom: var(--space-3);
  letter-spacing: -0.01em;
}

.step-card p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.65;
  max-width: 36ch;
}

/* ---- Differentiators ---- */
.differentiators { overflow: hidden; }

.diff-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
}

.diff-left .section-heading { margin-bottom: var(--space-6); }
.diff-body {
  color: var(--color-text-muted);
  font-size: var(--text-base);
  line-height: 1.7;
}

.diff-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.diff-item {
  display: grid;
  grid-template-columns: 28px 1fr;
  gap: var(--space-4);
  align-items: start;
}

.diff-check {
  width: 28px;
  height: 28px;
  border-radius: var(--radius-md);
  background: var(--color-accent-soft);
  border: 1px solid color-mix(in srgb, var(--color-accent) 25%, transparent);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
  flex-shrink: 0;
  margin-top: 2px;
}

.diff-item strong {
  display: block;
  font-weight: 600;
  font-size: var(--text-base);
  margin-bottom: var(--space-1);
  color: var(--color-text);
}

.diff-item p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
  max-width: 40ch;
}

/* ---- Categories ---- */
.categories {
  background: var(--color-surface);
  border-top: 1px solid var(--color-divider);
  border-bottom: 1px solid var(--color-divider);
}

.categories .section-inner { text-align: center; }

.cat-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-4);
}

.cat-card {
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-6) var(--space-5);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
  cursor: default;
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}

.cat-card:hover {
  border-color: color-mix(in srgb, var(--color-accent) 40%, var(--color-border));
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.cat-icon { font-size: 1.75rem; line-height: 1; }
.cat-name {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
  text-align: center;
}

/* ---- Bottom CTA ---- */
.bottom-cta {
  position: relative;
  overflow: hidden;
  text-align: center;
}

.bottom-cta .hero-sub { max-width: 50ch; margin: 0 auto; }

/* ---- Footer ---- */
.footer {
  border-top: 1px solid var(--color-divider);
  padding: var(--space-10) 0 var(--space-8);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--space-8);
  flex-wrap: wrap;
  margin-bottom: var(--space-8);
}

.footer-brand { display: flex; flex-direction: column; gap: var(--space-3); }
.footer-tagline {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  max-width: 28ch;
}

.footer-links {
  display: flex;
  gap: var(--space-6);
  flex-wrap: wrap;
}

.footer-links a {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  text-decoration: none;
}
.footer-links a:hover { color: var(--color-text); }

.footer-bottom {
  border-top: 1px solid var(--color-divider);
  padding-top: var(--space-6);
  max-width: var(--content-default);
  margin: 0 auto;
  padding-left: var(--space-6);
  padding-right: var(--space-6);
}

.footer-bottom p {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  max-width: none;
}

/* ---- Responsive ---- */
@media (max-width: 900px) {
  .steps-grid {
    grid-template-columns: 1fr;
    max-width: 480px;
    margin: 0 auto;
  }

  .diff-layout {
    grid-template-columns: 1fr;
    gap: var(--space-10);
  }

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

@media (max-width: 640px) {
  .br-desktop { display: none; }

  .hero-heading { font-size: clamp(2.2rem, 8vw, 3.5rem); }

  .form-row {
    flex-direction: column;
    align-items: stretch;
  }

  .role-toggle { justify-content: center; }
  .role-btn { flex: 1; text-align: center; }

  .btn-lg { width: 100%; justify-content: center; }

  .cat-grid { grid-template-columns: repeat(2, 1fr); gap: var(--space-3); }

  .footer-inner { flex-direction: column; }
  .footer-links { gap: var(--space-4); }
}

@media (max-width: 420px) {
  .cat-grid { grid-template-columns: 1fr 1fr; }
}