/* ============================================================================
   AmandaLK — Surf Sessions clip-delivery system
   Matches the amandalk.com portfolio brand: charcoal base, champagne-gold accent,
   cream type. Playfair Display headings / Inter UI / JetBrains Mono labels.
   Self-contained — shared across index, session, upload.
   ========================================================================== */

:root {
  /* surfaces (charcoal stack) */
  --void:      #0B0B0C;
  --void-2:    #0F0F11;
  --char:      #141416;
  --char-2:    #1B1B1E;
  --char-3:    #232327;
  /* ink (cream stack) */
  --cream:     #F5F1E8;
  --cream-soft:#D8D3C7;
  --muted:     #9A968C;
  --faint:     #66635D;
  /* accent (champagne-gold) */
  --gold:      #9C8063;
  --gold-lt:   #C2A988;
  --gold-glow: rgba(156,128,99,0.35);
  /* lines */
  --line:      rgba(245,241,232,0.10);
  --line-soft: rgba(245,241,232,0.06);
  --line-gold: rgba(156,128,99,0.30);
  /* type */
  --serif: 'Playfair Display', Georgia, serif;
  --sans:  'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --mono:  'JetBrains Mono', ui-monospace, Menlo, monospace;
  /* layout */
  --maxw: 1120px;
  --edge: 22px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0; background: var(--void); color: var(--cream);
  font-family: var(--sans); font-size: 16px; line-height: 1.6;
  -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}
img, video, canvas { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }
::selection { background: var(--gold); color: var(--void); }

.wrap { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 var(--edge); }

/* ---------------------------------------------------------------- top bar */
.topbar {
  position: sticky; top: 0; z-index: 50;
  background: rgba(11,11,12,0.82); backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}
.topbar__in { display: flex; align-items: center; justify-content: space-between;
  height: 64px; max-width: var(--maxw); margin: 0 auto; padding: 0 var(--edge); }
.brand { display: flex; align-items: baseline; gap: 10px; }
.brand .wm { font-family: var(--sans); font-weight: 600; text-transform: uppercase;
  letter-spacing: .26em; font-size: 15px; color: var(--cream); }
.brand .wm .lk { color: var(--gold-lt); }
.brand .sub { font-family: var(--mono); font-size: 10.5px; letter-spacing: .22em;
  text-transform: uppercase; color: var(--muted); }
.topnav { display: flex; align-items: center; gap: 22px; }
.topnav a { font-family: var(--mono); font-size: 11px; letter-spacing: .14em;
  text-transform: uppercase; color: var(--muted); transition: color .2s var(--ease); }
.topnav a:hover, .topnav a.is-on { color: var(--cream); }

/* ---------------------------------------------------------------- buttons */
.btn { display: inline-flex; align-items: center; gap: 9px; font-family: var(--sans);
  font-weight: 600; font-size: 14px; letter-spacing: .01em; border-radius: 10px;
  padding: 12px 20px; border: 1px solid transparent; transition: all .22s var(--ease);
  white-space: nowrap; }
.btn--gold { background: var(--gold); color: var(--void); }
.btn--gold:hover { background: var(--gold-lt); transform: translateY(-1px); }
.btn--ghost { background: transparent; color: var(--cream); border-color: var(--line); }
.btn--ghost:hover { border-color: var(--gold); color: var(--gold-lt); }
.btn--sm { padding: 8px 14px; font-size: 12.5px; border-radius: 8px; }
.btn--coffee { background: var(--gold); color: var(--void); }
.btn--coffee:hover { background: var(--gold-lt); transform: translateY(-1px); }

/* ---------------------------------------------------------------- labels */
.eyebrow { font-family: var(--mono); font-size: 11px; letter-spacing: .26em;
  text-transform: uppercase; color: var(--gold); display: inline-flex; align-items: center; gap: 8px; }
.eyebrow::before { content: ""; width: 22px; height: 1px; background: var(--line-gold); }
.chip { font-family: var(--mono); font-size: 11px; letter-spacing: .06em;
  color: var(--cream-soft); background: var(--char-2); border: 1px solid var(--line);
  border-radius: 999px; padding: 5px 11px; white-space: nowrap; }
.chip--gold { color: var(--gold-lt); border-color: var(--line-gold); }

/* a clip/thumb wrapper keeps a clean 16:9 with a play affordance */
.thumb { position: relative; aspect-ratio: 16/9; background: var(--char);
  border-radius: 12px; overflow: hidden; border: 1px solid var(--line); }
.thumb img, .thumb video { width: 100%; height: 100%; object-fit: cover; }
.thumb__play { position: absolute; inset: 0; display: grid; place-items: center;
  background: linear-gradient(180deg, rgba(11,11,12,0) 40%, rgba(11,11,12,0.5) 100%);
  opacity: 0; transition: opacity .25s var(--ease); }
.thumb:hover .thumb__play { opacity: 1; }
.thumb__play span { width: 52px; height: 52px; border-radius: 999px;
  background: rgba(245,241,232,0.92); display: grid; place-items: center; }
.thumb__play span::after { content: ""; border-style: solid; border-width: 9px 0 9px 15px;
  border-color: transparent transparent transparent var(--void); margin-left: 3px; }
.thumb__time { position: absolute; bottom: 8px; right: 8px; font-family: var(--mono);
  font-size: 10.5px; letter-spacing: .04em; color: var(--cream);
  background: rgba(11,11,12,0.7); border-radius: 6px; padding: 3px 7px; }
.thumb__star { position: absolute; top: 8px; right: 8px; color: var(--gold-lt);
  font-size: 15px; filter: drop-shadow(0 1px 4px rgba(0,0,0,.6)); }

footer.foot { border-top: 1px solid var(--line); margin-top: 80px; padding: 40px 0 60px; }
.foot__in { display: flex; flex-wrap: wrap; gap: 18px; align-items: center;
  justify-content: space-between; }
.foot__note { font-family: var(--mono); font-size: 11px; letter-spacing: .08em;
  color: var(--faint); text-transform: uppercase; }

/* minimal copyright footer — same as amandalk.com (ai.html .mini-foot) */
.mini-foot {
  position: relative; z-index: 3; text-align: center;
  padding: 48px 0 56px; font-family: var(--mono); font-size: 11px;
  letter-spacing: .18em; text-transform: uppercase; color: var(--muted);
}

/* ============================================================================
   MAIN NAV — shared with amandalk.com (ai.html / portfolio.css)
   Transparent fixed bar that floats over the hero, then settles into a
   charcoal-blur bar on scroll. AmandaLK wordmark · Get Noticed · Portfolio ·
   Surf · Learn AI dropdown (desktop) / full-screen hamburger sheet (mobile).
   ========================================================================== */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 50;
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 24px;
  transition: background .4s var(--ease), backdrop-filter .4s var(--ease), padding .4s var(--ease);
}
.nav.scrolled {
  background: rgba(11,11,12,0.72);
  backdrop-filter: blur(14px) saturate(120%);
  -webkit-backdrop-filter: blur(14px) saturate(120%);
  border-bottom: 1px solid var(--line-soft);
  padding: 13px 24px;
}
/* wordmark = the homepage signature: tracked sans caps, LK in gold (matches portfolio .barnav) */
.nav__brand {
  font-family: var(--sans); font-weight: 500; text-transform: uppercase;
  letter-spacing: .3em; font-size: 14px; line-height: 1; color: var(--cream);
}
.nav__brand b { color: var(--gold-lt); font-weight: 500; }
.nav__links { display: none; gap: 26px; align-items: center; }
.nav__links a {
  font-family: var(--mono); font-size: 11px; font-weight: 500; letter-spacing: .14em;
  text-transform: uppercase; color: var(--cream-soft);
  transition: color .25s var(--ease); position: relative;
}
.nav__links a:hover { color: var(--gold-lt); }
.nav__links a[aria-current="page"] { color: var(--cream); }
.nav__toggle {
  display: inline-flex; flex-direction: column; gap: 5px; background: none; border: 0; padding: 6px;
}
.nav__toggle span { width: 24px; height: 1.5px; background: var(--cream); transition: .3s var(--ease); }

/* mobile menu sheet */
.menu {
  position: fixed; inset: 0; z-index: 49;
  background: rgba(11,11,12,0.96); backdrop-filter: blur(8px);
  display: flex; flex-direction: column; justify-content: center; gap: 6px;
  padding: 0 var(--edge);
  opacity: 0; visibility: hidden; transition: opacity .4s var(--ease), visibility .4s;
}
.menu.open { opacity: 1; visibility: visible; }
.menu a {
  font-family: var(--serif); font-size: clamp(2rem, 9vw, 3rem); font-weight: 700;
  text-transform: uppercase; letter-spacing: .01em;
  color: var(--cream); padding: 10px 0; border-bottom: 1px solid var(--line-soft);
  display: flex; align-items: baseline; gap: 14px;
}
.menu a span { font-family: var(--mono); font-size: 12px; color: var(--gold); letter-spacing: .1em; }

/* desktop dropdown */
.nav__drop { position: relative; display: none; }
@media (min-width: 1024px) { .nav__drop { display: block; } }
.nav__drop > .nav__droptrigger {
  font-family: var(--mono); font-size: 11px; font-weight: 500; letter-spacing: .14em;
  text-transform: uppercase; color: var(--cream-soft); background: none; border: 0;
  padding: 4px 0; display: inline-flex; align-items: center; gap: 7px;
  transition: color .25s var(--ease);
}
.nav__drop > .nav__droptrigger[aria-current="page"] { color: var(--cream); }
.nav__drop:hover > .nav__droptrigger,
.nav__drop.open > .nav__droptrigger { color: var(--gold-lt); }
.nav__droptrigger .caret {
  width: 7px; height: 7px; border-right: 1.5px solid currentColor; border-bottom: 1.5px solid currentColor;
  transform: rotate(45deg) translateY(-1px); transition: transform .3s var(--ease); opacity: .8;
}
.nav__drop:hover .nav__droptrigger .caret,
.nav__drop.open .nav__droptrigger .caret { transform: rotate(225deg) translateY(-1px); }
.nav__panel {
  position: absolute; top: calc(100% + 16px); right: 0; min-width: 268px;
  background: linear-gradient(160deg, var(--char-2) 0%, var(--void-2) 100%);
  border: 1px solid var(--line-gold); border-radius: 16px; padding: 10px;
  box-shadow: 0 30px 60px -30px rgba(0,0,0,0.9), 0 0 0 1px rgba(11,11,12,0.4);
  opacity: 0; visibility: hidden; transform: translateY(8px);
  transition: opacity .32s var(--ease), transform .32s var(--ease), visibility .32s; z-index: 60;
}
.nav__panel::before { content: ""; position: absolute; top: -18px; left: 0; right: 0; height: 18px; }
.nav__drop:hover .nav__panel,
.nav__drop.open .nav__panel { opacity: 1; visibility: visible; transform: translateY(0); }
.nav__panel__label {
  font-family: var(--mono); font-size: 10px; letter-spacing: .2em; text-transform: uppercase;
  color: var(--gold); padding: 8px 12px 6px; display: block;
}
.nav__panel a {
  display: block; padding: 11px 12px; border-radius: 10px; text-transform: none;
  font-family: var(--sans); letter-spacing: 0; transition: background .25s var(--ease);
}
.nav__panel a:hover { background: var(--char-3); }
.nav__panel a strong {
  display: block; font-family: var(--serif); font-weight: 700; font-size: 1.02rem;
  color: var(--cream); letter-spacing: 0;
}
.nav__panel a:hover strong { color: var(--gold-lt); }
.nav__panel a small {
  display: block; font-family: var(--mono); font-size: 10.5px; letter-spacing: .04em;
  color: var(--muted); margin-top: 3px;
}
/* dropdown PAUSED site-wide (matches amandalk.com) — "Learn AI" is a plain link */
.nav__panel, .nav__panel::before { display: none !important; }
.nav__droptrigger .caret { display: none !important; }

/* mobile sheet sub-section (Learn AI list) */
.menu__label {
  font-family: var(--mono); font-size: 11px; letter-spacing: .2em; text-transform: uppercase;
  color: var(--gold); padding: 22px 0 4px; border-bottom: 0;
}
.menu a.menu__sub { font-size: clamp(1.5rem, 6.5vw, 2rem); font-weight: 700; }
.menu a.menu__sub small {
  font-family: var(--mono); font-size: 11px; font-weight: 400; color: var(--muted);
  letter-spacing: .08em; margin-left: 2px; text-transform: none;
}
.menu__close {
  position: absolute; top: 22px; right: var(--edge); background: none; border: 0;
  width: 40px; height: 40px; display: flex; align-items: center; justify-content: center;
}
.menu__close::before, .menu__close::after {
  content: ""; position: absolute; width: 24px; height: 1.5px; background: var(--cream);
}
.menu__close::before { transform: rotate(45deg); }
.menu__close::after { transform: rotate(-45deg); }

@media (min-width: 1024px) {
  .nav__links { display: flex; }
  .nav__toggle { display: none; }
}