/* ============================================================
   JACKGENERATE — AI Photo & Video Studio
   Shared design system. Dark, clean, cinematic.
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&family=Manrope:wght@400;500;600;700&display=swap');

:root {
  /* Surfaces */
  --bg: #08080A;
  --bg-grain: #0B0B0E;
  --surface: #111114;
  --surface-2: #17171B;
  --surface-3: #1E1E23;

  /* Lines */
  --border: rgba(255, 255, 255, 0.07);
  --border-strong: rgba(255, 255, 255, 0.13);

  /* Text */
  --text: #FAFAFA;
  --text-2: #A6A6AE;
  --text-3: #6E6E78;

  /* Accent — signature lime */
  --accent: #C7F24A;
  --accent-2: #B6E635;
  --accent-press: #A8D72E;
  --on-accent: #0B0E03;

  /* Cinematic glows used in media */
  --radius-sm: 8px;
  --radius: 12px;
  --radius-lg: 18px;
  --radius-xl: 26px;

  --maxw: 1200px;

  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'Manrope', sans-serif;

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

/* Subtle page grain / vignette */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background:
    radial-gradient(120% 80% at 50% -10%, rgba(199, 242, 74, 0.05), transparent 55%),
    radial-gradient(80% 60% at 100% 100%, rgba(120, 130, 255, 0.04), transparent 60%);
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }
input, textarea, select { font-family: inherit; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.04;
  letter-spacing: -0.025em;
}

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

/* ---------- Layout helpers ---------- */
.wrap { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 28px; position: relative; z-index: 1; }
.section { padding: 110px 0; position: relative; z-index: 1; }
.section--tight { padding: 72px 0; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-body);
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
}
.eyebrow::before {
  content: '';
  width: 18px; height: 1px;
  background: var(--accent);
  opacity: 0.7;
}

.muted { color: var(--text-2); }
.faint { color: var(--text-3); }

.lede { font-size: 18px; line-height: 1.65; color: var(--text-2); max-width: 56ch; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 15px;
  letter-spacing: -0.01em;
  padding: 13px 22px;
  border-radius: var(--radius);
  transition: transform .25s var(--ease), background .2s var(--ease), border-color .2s, color .2s;
  white-space: nowrap;
  border: 1px solid transparent;
}
.btn:active { transform: translateY(1px); }
.btn--primary { background: var(--accent); color: var(--on-accent); }
.btn--primary:hover { background: var(--accent-2); transform: translateY(-2px); }
.btn--ghost { background: transparent; color: var(--text); border-color: var(--border-strong); }
.btn--ghost:hover { border-color: var(--text); background: rgba(255,255,255,0.04); }
.btn--soft { background: var(--surface-3); color: var(--text); border-color: var(--border); }
.btn--soft:hover { background: var(--surface-2); border-color: var(--border-strong); }
.btn--lg { padding: 16px 28px; font-size: 16px; }
.btn--block { width: 100%; }
.btn--sm { padding: 9px 15px; font-size: 13.5px; }

.btn svg { width: 17px; height: 17px; }

/* ---------- Nav ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(18px);
  background: rgba(8, 8, 10, 0.72);
  border-bottom: 1px solid transparent;
  transition: border-color .3s, background .3s;
}
.nav.is-scrolled { border-bottom-color: var(--border); background: rgba(8, 8, 10, 0.85); }
.nav__inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 16px 28px;
  display: flex;
  align-items: center;
  gap: 36px;
}
.brand { display: flex; align-items: center; gap: 10px; font-family: var(--font-display); font-weight: 700; font-size: 19px; letter-spacing: -0.03em; }
.brand__mark {
  width: 26px; height: 26px; border-radius: 8px;
  background: var(--accent);
  position: relative;
  display: grid; place-items: center;
  flex: 0 0 auto;
}
.brand__mark::after {
  content: '';
  width: 11px; height: 11px;
  border-radius: 50%;
  background: var(--on-accent);
  clip-path: polygon(50% 0, 100% 50%, 50% 100%, 0 50%);
}
.nav__links { display: flex; align-items: center; gap: 4px; margin-left: 8px; }
.nav__link {
  font-size: 14.5px; font-weight: 500; color: var(--text-2);
  padding: 8px 14px; border-radius: 9px;
  transition: color .2s, background .2s;
}
.nav__link:hover { color: var(--text); background: rgba(255,255,255,0.04); }
.nav__link.is-active { color: var(--text); }
.nav__spacer { flex: 1; }
.nav__actions { display: flex; align-items: center; gap: 10px; }
.nav__burger { display: none; width: 42px; height: 42px; border-radius: 10px; border: 1px solid var(--border-strong); align-items: center; justify-content: center; }
.nav__burger svg { width: 20px; height: 20px; }

.mobile-menu {
  display: none;
  flex-direction: column;
  gap: 4px;
  padding: 12px 28px 24px;
  border-bottom: 1px solid var(--border);
  background: rgba(8,8,10,0.96);
  backdrop-filter: blur(18px);
  position: sticky; top: 73px; z-index: 99;
}
.mobile-menu.is-open { display: flex; }
.mobile-menu a { padding: 12px 8px; border-radius: 9px; color: var(--text-2); font-weight: 500; }
.mobile-menu a:hover { color: var(--text); background: rgba(255,255,255,0.04); }
.mobile-menu .btn { margin-top: 8px; }

/* ---------- Footer ---------- */
.footer { border-top: 1px solid var(--border); padding: 72px 0 40px; position: relative; z-index: 1; }
.footer__grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 40px; }
.footer__brand { max-width: 30ch; }
.footer__brand p { color: var(--text-2); font-size: 14.5px; margin-top: 16px; }
.footer__col h4 { font-family: var(--font-body); font-size: 13px; text-transform: uppercase; letter-spacing: 0.1em; color: var(--text-3); margin-bottom: 16px; font-weight: 600; }
.footer__col a { display: block; color: var(--text-2); font-size: 14.5px; padding: 6px 0; transition: color .2s; }
.footer__col a:hover { color: var(--text); }
.footer__bottom { display: flex; justify-content: space-between; align-items: center; margin-top: 56px; padding-top: 28px; border-top: 1px solid var(--border); color: var(--text-3); font-size: 13.5px; flex-wrap: wrap; gap: 16px; }
.footer__social { display: flex; gap: 10px; }
.footer__social a { width: 36px; height: 36px; border-radius: 9px; border: 1px solid var(--border); display: grid; place-items: center; color: var(--text-2); transition: all .2s; }
.footer__social a:hover { color: var(--text); border-color: var(--border-strong); transform: translateY(-2px); }
.footer__social svg { width: 16px; height: 16px; }

/* ---------- Media placeholders (cinematic gradient "renders") ---------- */
.media {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: #16161a;
  border: 1px solid var(--border);
  isolation: isolate;
}
.media::after {
  content: '';
  position: absolute; inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.5'/%3E%3C/svg%3E");
  opacity: 0.06;
  mix-blend-mode: overlay;
  pointer-events: none;
}
.media__tag {
  position: absolute; left: 12px; bottom: 12px; z-index: 2;
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 11px; font-weight: 600; letter-spacing: 0.04em;
  padding: 5px 10px; border-radius: 99px;
  background: rgba(0,0,0,0.5); backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,0.12); color: #fff;
}
.media__tag::before { content:''; width:6px; height:6px; border-radius:50%; background: var(--accent); }
.media__play {
  position: absolute; inset: 0; margin: auto; z-index: 2;
  width: 56px; height: 56px; border-radius: 50%;
  background: rgba(255,255,255,0.14); backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,0.25);
  display: grid; place-items: center;
}
.media__play::after { content:''; width:0; height:0; border-left: 15px solid #fff; border-top: 9px solid transparent; border-bottom: 9px solid transparent; margin-left: 4px; }

/* gradient variants — feel like different generated scenes */
.g-1 { background: radial-gradient(120% 120% at 20% 10%, #ff8a4c 0%, #c2410c 30%, #3b0a3f 70%, #0a0a14 100%); }
.g-2 { background: radial-gradient(110% 120% at 80% 20%, #5eead4 0%, #0e7490 35%, #1e1b4b 75%, #07070d 100%); }
.g-3 { background: radial-gradient(120% 110% at 30% 80%, #f0abfc 0%, #a21caf 30%, #312e81 70%, #08080d 100%); }
.g-4 { background: radial-gradient(120% 120% at 70% 30%, #fde68a 0%, #d97706 35%, #7c2d12 70%, #0a0a0d 100%); }
.g-5 { background: radial-gradient(120% 120% at 50% 0%, #a5b4fc 0%, #4338ca 35%, #1e1b4b 70%, #07070d 100%); }
.g-6 { background: radial-gradient(120% 120% at 20% 30%, #99f6e4 0%, #0d9488 30%, #134e4a 65%, #08080d 100%); }
.g-7 { background: radial-gradient(130% 120% at 80% 80%, #fda4af 0%, #be123c 30%, #4c0519 65%, #0a0a0d 100%); }
.g-8 { background: linear-gradient(135deg, #1e293b 0%, #0f172a 40%, #020617 100%), radial-gradient(60% 60% at 70% 20%, rgba(199,242,74,0.25), transparent); }

/* ---------- Cards & misc ---------- */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: border-color .3s, transform .3s var(--ease), background .3s;
}
.card:hover { border-color: var(--border-strong); }

.pill {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 7px 14px; border-radius: 99px;
  border: 1px solid var(--border-strong);
  background: var(--surface);
  font-size: 13px; font-weight: 500; color: var(--text-2);
}
.pill__dot { width: 7px; height: 7px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 10px var(--accent); }

/* ---------- Forms ---------- */
.field { display: flex; flex-direction: column; gap: 8px; margin-bottom: 18px; }
.field label { font-size: 13.5px; font-weight: 600; color: var(--text-2); }
.input {
  width: 100%;
  background: var(--surface-2);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  padding: 14px 16px;
  color: var(--text);
  font-size: 15px;
  transition: border-color .2s, background .2s, box-shadow .2s;
}
.input::placeholder { color: var(--text-3); }
.input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(199,242,74,0.14); background: var(--surface-3); }
textarea.input { resize: vertical; min-height: 130px; }
.field--error .input { border-color: #f87171; box-shadow: 0 0 0 3px rgba(248,113,113,0.14); }
.field__error { font-size: 12.5px; color: #f87171; display: none; }
.field--error .field__error { display: block; }

.checkbox-row { display: flex; align-items: flex-start; gap: 10px; font-size: 14px; color: var(--text-2); }
.checkbox-row input { margin-top: 3px; accent-color: var(--accent); width: 16px; height: 16px; }

.divider-or { display: flex; align-items: center; gap: 16px; color: var(--text-3); font-size: 13px; margin: 22px 0; }
.divider-or::before, .divider-or::after { content:''; flex:1; height:1px; background: var(--border); }

.oauth-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.oauth-btn { display:flex; align-items:center; justify-content:center; gap:10px; padding:13px; border-radius: var(--radius); border:1px solid var(--border-strong); background: var(--surface-2); font-weight:600; font-size:14px; transition: all .2s; }
.oauth-btn:hover { background: var(--surface-3); border-color: var(--text-3); }
.oauth-btn svg { width:18px; height:18px; }

/* ---------- Reveal on scroll ---------- */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.is-in { opacity: 1; transform: none; }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .nav__links { display: none; }
  .nav__burger { display: flex; }
  .nav__actions .btn--ghost { display: none; }
  .footer__grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .footer__brand { grid-column: 1 / -1; }
  .section { padding: 76px 0; }
}
@media (max-width: 600px) {
  .wrap { padding: 0 20px; }
  .footer__grid { grid-template-columns: 1fr; }
  .oauth-row { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; scroll-behavior: auto !important; }
  .reveal { opacity: 1; transform: none; transition: none; }
}

/* Real generated imagery fills the media tiles */
.media { background-size: cover; background-position: center; background-repeat: no-repeat; }