/* Nubel landing-page global styles.
   Builds on tokens.css — defines themes, sections, tweaks panel. */

/* ---------- Reset-ish ---------- */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin:0; padding:0; }
body {
  font-family: var(--font-sans);
  color: var(--fg-1);
  background: var(--bg-1);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
button { font-family: inherit; }

/* ---------- THEMES ----------
   data-theme on <html> or body:
     "light"     — default
     "dark"      — ink base
     "warm"      — warm paper base
   data-accent:
     "orange"    — default brand
     "ink"       — monochrome (CTAs use ink, accents subdued)
*/

html[data-theme="dark"] {
  --bg-1: #0A0A0A;
  --bg-2: #111111;
  --bg-3: #1C1C1C;
  --bg-warm: #141210;
  --fg-1: #FFFFFF;
  --fg-2: #B5B5B5;
  --fg-3: #7A7A7A;
  --border-1: #262626;
  --border-2: #3A3A3A;
  --slate-100: #1C1C1C;
  --slate-50:  #111111;
  color-scheme: dark;
}

html[data-theme="warm"] {
  --bg-1: #FAF8F5;
  --bg-2: #F2EEE7;
  --bg-3: #E9E3D8;
  --bg-warm: #F5F0E6;
  --border-1: #E5DFD2;
  --border-2: #D4CBB8;
  --slate-100: #EDE7DA;
  --slate-50:  #F5F0E6;
}

html[data-accent="ink"] {
  --nubel-orange: #0A0A0A;
  --nubel-orange-hover: #1C1C1C;
  --nubel-orange-press: #000;
  --nubel-orange-soft: #F5F5F5;
  --nubel-orange-ring: rgba(10,10,10,0.15);
}
html[data-accent="ink"][data-theme="dark"] {
  --nubel-orange: #FFFFFF;
  --nubel-orange-hover: #E5E5E5;
  --nubel-orange-press: #CCC;
  --nubel-orange-soft: #1C1C1C;
  --nubel-orange-ring: rgba(255,255,255,0.15);
  --fg-on-brand: #0A0A0A;
}

/* ---------- Keyframes ---------- */
@keyframes nb-marquee {
  from { transform: translateX(0); }
  to   { transform: translateX(-33.333%); }
}
@keyframes nb-fade-up {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes nb-blink {
  50% { opacity: 0.25; }
}

.nb-fade-up { animation: nb-fade-up 520ms var(--ease-std) both; }

/* ---------- Layout ---------- */
.nb-wrap   { max-width: 1240px; margin: 0 auto; padding: 0 clamp(24px, 5vw, 40px); }
.nb-wrap-tight { max-width: 960px; margin: 0 auto; padding: 0 clamp(24px, 5vw, 40px); }

.nb-section { padding: clamp(72px, 11vw, 128px) 0; }

/* ---------- Text utilities ---------- */
.nb-balance { text-wrap: balance; }
.nb-pretty  { text-wrap: pretty; }
.nb-mono    { font-family: var(--font-mono); }
.nb-accent  { color: var(--nubel-orange); }
.nb-italic-accent { font-style: italic; font-weight: 500; color: var(--nubel-orange); }

/* Eyebrow override (slight tweak from kit) */
.nb-eyebrow { font-family: var(--font-sans); }

/* ---------- Buttons used in this site ---------- */
.btn {
  display:inline-flex; align-items:center; gap:8px;
  padding:14px 24px; border-radius:9999px;
  font-family: var(--font-sans); font-weight:600; font-size:15px;
  border:0; cursor:pointer; transition: all 120ms var(--ease-std);
  letter-spacing:-0.005em;
}
.btn:focus-visible { outline: none; box-shadow: var(--shadow-focus); }
.btn-primary   { background: var(--btn-accent); color: #fff; }
.btn-primary:hover { background: var(--btn-accent-hover); }
.btn-primary:active{ background: var(--btn-accent-press); transform: scale(0.99); }
.btn-secondary { background: var(--fg-1); color: var(--bg-1); }
.btn-secondary:hover { opacity: 0.88; }
.btn-ghost     { background: transparent; color: var(--fg-1); border:1px solid var(--border-2); }
.btn-ghost:hover { background: var(--bg-3); }
.btn-sm { padding: 8px 16px; font-size: 13px; }
.btn-lg { padding: 16px 28px; font-size: 17px; }

/* ---------- Nav ---------- */
.nb-nav {
  position:sticky; top:0; z-index:50;
  background: color-mix(in srgb, var(--bg-1) 88%, transparent);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  border-bottom:1px solid var(--border-1);
}
.nb-nav-inner {
  display:flex; align-items:center; justify-content:space-between;
  padding-top: 16px; padding-bottom: 16px;
}
.nb-nav-links {
  display:flex; align-items:center; gap: 32px;
}
.nb-nav-links a {
  font-size: 14px; font-weight: 500; color: var(--fg-2);
  transition: color 120ms var(--ease-std);
}
.nb-nav-links a:hover { color: var(--fg-1); }

/* ---------- Cards ---------- */
.nb-card {
  background: var(--bg-1);
  border:1px solid var(--border-1); border-radius: var(--r-lg);
  box-shadow: var(--shadow-xs);
  transition: all 200ms var(--ease-std);
}
.nb-card:hover {
  border-color: var(--border-2); box-shadow: var(--shadow-md);
}

/* ---------- Divider ---------- */
.nb-divider { border-top: 1px solid var(--border-1); }

/* ---------- Tweaks panel ---------- */
.tweaks {
  position: fixed; bottom: 20px; right: 20px; z-index: 100;
  background: var(--bg-1); border:1px solid var(--border-1);
  border-radius: 16px; box-shadow: var(--shadow-lg);
  padding: 16px; min-width: 260px;
  font-family: var(--font-sans);
}
.tweaks h4 {
  margin: 0 0 4px; font-size: 13px; font-weight: 700;
  letter-spacing: 0.04em; text-transform: uppercase;
  color: var(--fg-3);
}
.tweaks .row { display:flex; flex-direction:column; gap: 6px; margin-top: 12px; }
.tweaks .row-label { font-size: 12px; color: var(--fg-2); font-weight: 600; }
.tweaks .chips { display:flex; gap: 6px; flex-wrap: wrap; }
.tweaks .chip {
  padding: 6px 10px; border-radius: 9999px; font-size: 12px; font-weight: 600;
  border: 1px solid var(--border-1); background: var(--bg-1); color: var(--fg-2);
  cursor: pointer; transition: all 120ms var(--ease-std);
}
.tweaks .chip:hover { border-color: var(--border-2); color: var(--fg-1); }
.tweaks .chip.active {
  background: var(--fg-1); color: var(--bg-1); border-color: var(--fg-1);
}

/* Floating tweak toggle */
.tweaks-close {
  position:absolute; top:10px; right:10px;
  width:24px; height:24px; border-radius:50%;
  background: var(--bg-3); color: var(--fg-2);
  border:0; cursor:pointer; font-size: 14px;
  display:flex; align-items:center; justify-content:center;
}

/* ---------- Hero shared ---------- */
.hero-eyebrow-wrap { display:flex; justify-content:center; }

/* ---------- Hero A background ---------- */
.hero-a {
  background:
    linear-gradient(180deg, #FAF8F5 0%, var(--bg-1) 100%);
}
.hero-bg {
  position: absolute; inset: 0; pointer-events: none; z-index: 0;
  overflow: hidden;
}
/* Fine grid */
.hero-bg-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(to right, rgba(15, 8, 76, 0.06) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(15, 8, 76, 0.06) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 80% 70% at 50% 40%, #000 30%, transparent 78%);
  -webkit-mask-image: radial-gradient(ellipse 80% 70% at 50% 40%, #000 30%, transparent 78%);
  opacity: 0.9;
}
/* Soft glows */
.hero-bg-glow {
  position: absolute; border-radius: 50%; filter: blur(80px);
}
.hero-bg-glow-1 {
  width: 540px; height: 540px;
  top: -160px; left: -120px;
  background: radial-gradient(circle, rgba(15, 8, 76, 0.18), transparent 70%);
}
.hero-bg-glow-2 {
  width: 460px; height: 460px;
  bottom: -160px; right: -120px;
  background: radial-gradient(circle, rgba(243, 91, 4, 0.10), transparent 70%);
}
/* Soft fade to white at the bottom */
.hero-bg-fade {
  position: absolute; left: 0; right: 0; bottom: 0; height: 30%;
  background: linear-gradient(180deg, transparent, var(--bg-1));
}
/* Ambient mark glyphs */
.hero-bg-mark { position: absolute; color: var(--nubel-orange); }
.hero-bg-mark-1 { width: 76px; height: 76px; top: 14%; left: 8%; opacity: 0.7; }
.hero-bg-mark-2 { width: 110px; height: 110px; bottom: 16%; right: 7%; color: var(--nubel-orange); opacity: 0.55; }
.hero-bg-mark-3 { width: 52px; height: 52px; top: 18%; right: 14%; color: #F35B04; opacity: 0.7; }

@media (max-width: 760px) {
  .hero-bg-mark { display: none; }
}

/* Field card — for "Who it's for" */
.field-card {
  position: relative;
  background: var(--bg-1);
  border: 1px solid var(--border-1);
  border-radius: var(--r-lg);
  padding: 24px;
  min-height: 380px;
  display: flex; flex-direction: column; gap: 16px;
  transition: all 200ms var(--ease-std);
  overflow: hidden;
}
.field-card:hover { border-color: var(--border-2); transform: translateY(-2px); box-shadow: var(--shadow-md); }
.field-card .idx {
  font-family: var(--font-mono); font-size: 12px;
  color: var(--fg-3); letter-spacing: 0.08em;
}
.field-art {
  width: 100%; aspect-ratio: 5/3;
  background: var(--bg-warm);
  border-radius: 12px;
  border: 1px solid var(--border-1);
  display: flex; align-items: center; justify-content: center;
  padding: 14px; overflow: hidden;
}

/* Step */
.step-num {
  font-family: var(--font-sans); font-weight: 700;
  font-size: clamp(64px, 9vw, 128px); line-height: 0.9;
  color: var(--nubel-orange);
  letter-spacing: -0.04em;
}

/* Shine divider dot */
.dotline { display:flex; align-items:center; gap: 10px; color: var(--fg-3); font-family: var(--font-mono); font-size: 12px; text-transform: uppercase; letter-spacing: 0.1em; }
.dotline::before, .dotline::after { content:""; flex:1; height:1px; background: var(--border-1); }

/* Manifesto big text */
.manifesto {
  font-weight: 800;
  font-size: clamp(40px, 7vw, 104px);
  line-height: 0.98;
  letter-spacing: -0.035em;
}
.manifesto s {
  text-decoration-color: var(--nubel-orange);
  text-decoration-thickness: 0.09em;
  color: var(--fg-3);
}
.manifesto mark {
  background: transparent; color: var(--nubel-orange);
  padding: 0;
}

/* Full-bleed dark block */
.dark-block {
  background: var(--bg-warm);
  color: var(--fg-1);
  border: 1px solid var(--border-1);
  border-radius: var(--r-xl);
  padding: clamp(48px, 7vw, 96px) clamp(28px, 5vw, 72px);
  position: relative; overflow: hidden;
}
.dark-block h2 { color: var(--fg-1); }
html[data-theme="dark"] .dark-block {
  background: #141414; border:1px solid #262626;
}

/* Screen mock (for hero B) */
.mock-phone {
  width: 280px; aspect-ratio: 9/19; border-radius: 36px;
  background: var(--bg-1); border:10px solid var(--ink);
  box-shadow: var(--shadow-xl);
  overflow: hidden; position: relative;
}
html[data-theme="dark"] .mock-phone { border-color: #262626; }

/* Responsive */
@media (max-width: 760px) {
  .tweaks { right: 12px; bottom: 12px; min-width: 240px; }
  .nb-nav-links { display: none; }
  .nb-nav-inner { padding-top: 12px; padding-bottom: 12px; }
  .step-glyph { display: none !important; }
  /* When the glyph is hidden, the Step grid becomes 2 columns (num + text) */
  .field-grid { grid-template-columns: 1fr !important; }
  .dark-block { padding: 40px 24px !important; }
  .dark-block > div[style*="grid"] { grid-template-columns: 1fr !important; gap: 32px !important; }
  section .nb-wrap > div[style*="grid-template-columns"] { grid-template-columns: 1fr !important; gap: 32px !important; }
}
