/* ============================================================
   TRIOR · Cœur Plié — styles
   Palette: OKLCH, warm light porcelain, one deeper gold accent
   ============================================================ */

:root{
  --bg:     oklch(0.965 0.011 85);  /* warm porcelain, never #fff */
  --ink:    oklch(0.255 0.022 58);  /* deep warm espresso, never #000 */
  --muted:  oklch(0.515 0.026 64);  /* warm taupe-grey */
  --accent: oklch(0.655 0.118 62);  /* deeper gold, reads on light */

  /* derived, all tinted toward the brand hue */
  --bg-2:   oklch(0.935 0.014 82);  /* soft champagne card */
  --bg-3:   oklch(0.905 0.016 80);
  --line:   oklch(0.86 0.016 80);   /* warm hairline */
  --shadow: oklch(0.50 0.03 55);    /* warm shadow base */

  --shell: min(1280px, 92vw);
  --display: "Fraunces", Georgia, serif;
  --body: "Inter", system-ui, sans-serif;

  --ease: cubic-bezier(.22,.61,.18,1);
}

*{ box-sizing:border-box; margin:0; padding:0; }
html{ -webkit-text-size-adjust:100%; }
body{
  background:var(--bg);
  color:var(--ink);
  font-family:var(--body);
  font-weight:300;
  line-height:1.6;
  letter-spacing:.01em;
  overflow-x:hidden;
  text-rendering:optimizeLegibility;
  -webkit-font-smoothing:antialiased;
}
img,video{ display:block; max-width:100%; }
a{ color:inherit; text-decoration:none; }

/* faint warm vignette */
body::before{
  content:""; position:fixed; inset:0; z-index:1; pointer-events:none;
  background:radial-gradient(120% 90% at 50% 40%, transparent 70%, color-mix(in oklab,var(--shadow) 12%, transparent) 100%);
}

/* ---------- type ---------- */
.eyebrow{
  font-size:.74rem; letter-spacing:.34em; text-transform:uppercase;
  color:var(--accent); font-weight:500;
}

/* ---------- edge label ---------- */
.edge-label{
  position:fixed; left:.55rem; top:50%; z-index:30;
  transform:translateY(-50%) rotate(180deg);
  writing-mode:vertical-rl;
  font-size:.62rem; letter-spacing:.42em; text-transform:uppercase;
  color:var(--muted); opacity:.65;
}

/* ---------- header ---------- */
.site-head{
  position:fixed; inset:0 0 auto 0; z-index:40;
  display:flex; align-items:center; justify-content:space-between;
  padding:1.4rem clamp(1.2rem,5vw,3.2rem);
  transition:background .4s var(--ease), backdrop-filter .4s var(--ease), border-color .4s var(--ease);
  border-bottom:1px solid transparent;
}
.site-head.scrolled{
  background:color-mix(in oklab, var(--bg) 82%, transparent);
  backdrop-filter:blur(10px);
  border-bottom:1px solid color-mix(in oklab, var(--line) 80%, transparent);
}
.brand{
  font-family:var(--display); font-size:1.4rem; font-weight:500;
  letter-spacing:.24em;
}
.head-nav{ display:flex; align-items:center; gap:clamp(1rem,3vw,2.4rem); }
.head-nav a{ font-size:.82rem; letter-spacing:.12em; color:var(--muted); transition:color .3s; }
.head-nav a:hover{ color:var(--ink); }
.head-cta{
  border:1px solid var(--line); border-radius:100px;
  padding:.5rem 1.05rem; color:var(--ink)!important;
}
.head-cta:hover{ border-color:var(--accent); color:var(--accent)!important; }

/* ============================================================
   1 — HERO
   ============================================================ */
.hero{
  position:relative; min-height:100svh; width:100%;
  display:grid; align-items:center; overflow:hidden;
  background:var(--bg-2);
}
.hero-video{
  position:absolute; inset:0; width:100%; height:100%;
  object-fit:cover; z-index:0;
}
.hero-veil{
  position:absolute; inset:0; z-index:1;
  background:
    linear-gradient(90deg, color-mix(in oklab,var(--bg) 82%, transparent) 0%, color-mix(in oklab,var(--bg) 30%, transparent) 40%, transparent 66%),
    linear-gradient(0deg, color-mix(in oklab,var(--bg) 55%, transparent) 0%, transparent 26%);
}
.hero-copy{
  position:relative; z-index:2;
  width:var(--shell); margin:0 auto; padding-top:8vh; max-width:var(--shell);
}
.hero-copy .eyebrow{ margin-bottom:1.1rem; }
.hero-title{
  font-family:var(--display); font-weight:300;
  font-size:clamp(4rem, 15vw, 13rem);
  line-height:.86; letter-spacing:-.02em; color:var(--ink);
  text-shadow:0 1px 30px color-mix(in oklab,var(--bg) 80%, transparent);
}
.hero-title span{ display:block; }
.hero-title .italic{ font-style:italic; color:var(--accent); margin-left:.12em; }
.hero-lede{
  margin-top:1.6rem; max-width:30ch;
  font-size:clamp(1rem,1.5vw,1.22rem); color:var(--ink);
  text-shadow:0 1px 16px color-mix(in oklab,var(--bg) 75%, transparent);
}
.scroll-hint{
  position:absolute; bottom:2rem; left:50%; transform:translateX(-50%);
  z-index:2; display:flex; flex-direction:column; align-items:center; gap:.6rem;
  font-size:.64rem; letter-spacing:.3em; text-transform:uppercase; color:var(--muted);
}
.scroll-hint i{ width:1px; height:42px; background:linear-gradient(var(--accent),transparent); animation:drip 2.2s var(--ease) infinite; }
@keyframes drip{ 0%{transform:scaleY(.2);transform-origin:top;opacity:0} 40%{opacity:1} 100%{transform:scaleY(1);transform-origin:top;opacity:0} }

/* tap-to-play affordance — revealed by JS only when autoplay is blocked */
.hero-tap{
  position:absolute; z-index:3; left:50%; bottom:5.5rem;
  transform:translateX(-50%) translateY(8px);
  display:inline-flex; align-items:center; gap:.55rem;
  padding:.72rem 1.2rem; border-radius:100px; cursor:pointer;
  font-family:var(--body); font-size:.7rem; font-weight:500;
  letter-spacing:.2em; text-transform:uppercase; color:var(--ink);
  background:color-mix(in oklab,var(--bg) 70%, transparent);
  -webkit-backdrop-filter:blur(8px); backdrop-filter:blur(8px);
  border:1px solid color-mix(in oklab,var(--accent) 50%, transparent);
  box-shadow:0 .5em 1.6em -.6em color-mix(in oklab,var(--shadow) 50%, transparent);
  opacity:0; visibility:hidden; pointer-events:none;
  transition:opacity .5s var(--ease), transform .5s var(--ease);
}
.hero-tap.show{ opacity:1; visibility:visible; pointer-events:auto; transform:translateX(-50%) translateY(0); }
.hero-tap svg{ width:15px; height:15px; color:var(--accent); }

/* ============================================================
   2 — THESIS
   ============================================================ */
.thesis{
  width:var(--shell); margin:0 auto;
  padding:clamp(7rem,16vh,12rem) 0; text-align:center;
}
.thesis-line{
  font-family:var(--display); font-weight:300;
  font-size:clamp(2.2rem,6.4vw,5.3rem);
  line-height:1.04; letter-spacing:-.015em;
}
.thesis-line [data-word]{ display:inline-block; }
.thesis-line [data-word]:nth-child(5){ font-style:italic; color:var(--accent); }
.thesis-sub{
  margin:2rem auto 0; max-width:46ch; color:var(--muted);
  font-size:clamp(1rem,1.4vw,1.15rem);
}

/* ============================================================
   3 — FEATURES
   ============================================================ */
.features{ width:var(--shell); margin:0 auto; }
.feature{
  display:grid; grid-template-columns:1.05fr 1fr;
  gap:clamp(2rem,6vw,6rem); align-items:center;
  padding:clamp(3rem,8vh,7rem) 0;
}
.feature.reverse{ grid-template-columns:1fr 1.05fr; }
.feature.reverse .feature-media{ order:2; }
.feature-media{
  position:relative; overflow:hidden; border-radius:3px;
  box-shadow:0 30px 60px -30px color-mix(in oklab,var(--shadow) 40%, transparent);
}
.feature-media img{
  width:100%; aspect-ratio:3/4; object-fit:cover;
  transform:scale(1.04); transition:transform 1.1s var(--ease);
}
.feature-media:hover img{ transform:scale(1); }
.caption{
  position:absolute; left:1rem; bottom:1rem;
  font-size:.78rem; letter-spacing:.16em; text-transform:uppercase;
  color:var(--ink); background:color-mix(in oklab,var(--bg) 78%, transparent);
  padding:.4rem .7rem; border-radius:100px; backdrop-filter:blur(4px);
}
.caption b{ color:var(--accent); font-weight:500; }
.feature-text h2{
  font-family:var(--display); font-weight:400;
  font-size:clamp(1.9rem,3.6vw,3.1rem); line-height:1.04;
  letter-spacing:-.01em; margin-bottom:1.3rem;
}
.feature-text p{ color:var(--muted); max-width:42ch; margin-bottom:1rem; }
.feature-text p:first-of-type{ color:var(--ink); }

/* ============================================================
   4 — GALLERY BAND
   ============================================================ */
.band{
  width:var(--shell); margin:clamp(3rem,8vh,6rem) auto;
  display:grid; grid-template-columns:.78fr 1.25fr .78fr;
  gap:clamp(.8rem,1.6vw,1.4rem); align-items:stretch;
}
.band figure{
  position:relative; overflow:hidden; border-radius:3px;
  box-shadow:0 30px 60px -34px color-mix(in oklab,var(--shadow) 40%, transparent);
}
.band-still img{ width:100%; height:100%; object-fit:cover; min-height:300px; }
.band-video{ background:var(--bg-3); }
.band-video video{ width:100%; height:100%; object-fit:cover; min-height:300px; }
.band-plate{
  background:var(--bg-2); border:1px solid var(--line); border-radius:3px;
  padding:clamp(1.4rem,2.4vw,2.2rem);
  display:flex; flex-direction:column; justify-content:center; gap:.5rem;
}
.plate-k{ font-family:var(--display); font-style:italic; color:var(--accent); font-size:1.5rem; }
.plate-v{ font-size:1rem; color:var(--ink); line-height:1.5; }
.plate-line{ height:1px; background:var(--line); margin:.7rem 0; }
.plate-note{ font-size:.74rem; letter-spacing:.18em; text-transform:uppercase; color:var(--muted); }

/* ============================================================
   5 — NUMBERED ROWS
   ============================================================ */
.rows{ width:var(--shell); margin:0 auto; padding:clamp(4rem,10vh,8rem) 0; }
.row{
  display:grid; grid-template-columns:auto 1fr; column-gap:clamp(1.4rem,4vw,3.5rem);
  row-gap:.4rem; align-items:baseline;
  padding:clamp(1.6rem,3vw,2.4rem) 0;
  border-top:1px solid var(--line);
}
.row:last-child{ border-bottom:1px solid var(--line); }
.row-num{
  font-family:var(--display); font-style:italic; color:var(--accent);
  font-size:clamp(1.6rem,3vw,2.4rem); line-height:1;
}
.row h3{
  font-family:var(--display); font-weight:400;
  font-size:clamp(1.3rem,2.4vw,2rem); letter-spacing:-.01em;
}
.row p{ grid-column:2; color:var(--muted); max-width:52ch; }

/* ============================================================
   6 — CTA
   ============================================================ */
.cta{
  width:var(--shell); margin:0 auto; text-align:center;
  padding:clamp(5rem,14vh,11rem) 0;
}
.cta-eyebrow{ font-size:.74rem; letter-spacing:.34em; text-transform:uppercase; color:var(--muted); }
.cta-line{
  font-family:var(--display); font-weight:300;
  font-size:clamp(2.4rem,7vw,6rem); line-height:1; letter-spacing:-.02em;
  margin:1rem 0 2.4rem;
}
.cta-btn{
  display:inline-flex; align-items:center; gap:.8rem;
  background:var(--accent); color:oklch(0.99 0.01 90);
  font-size:.92rem; letter-spacing:.06em; font-weight:500;
  padding:1rem 1.7rem; border-radius:100px;
  transition:transform .4s var(--ease), box-shadow .4s var(--ease), gap .4s var(--ease);
  box-shadow:0 .6em 2.2em -0.4em color-mix(in oklab,var(--accent) 55%, transparent);
}
.cta-btn svg{ width:20px; height:20px; }
.cta-btn:hover{ transform:translateY(-2px); gap:1.2rem; box-shadow:0 .9em 2.8em -0.4em color-mix(in oklab,var(--accent) 70%, transparent); }
.cta-fine{ margin-top:1.8rem; color:var(--muted); font-size:.86rem; letter-spacing:.04em; }

/* ============================================================
   7 — FOOTER
   ============================================================ */
.site-foot{
  position:relative; z-index:2;
  border-top:1px solid var(--line);
  background:var(--bg-2);
  padding:clamp(3rem,7vw,5rem) clamp(1.2rem,5vw,3.2rem) 2rem;
}
.foot-top{
  display:flex; flex-wrap:wrap; align-items:baseline; gap:.6rem 2rem; padding-bottom:2.5rem;
}
.foot-mark{ font-family:var(--display); font-size:clamp(3rem,11vw,8rem); letter-spacing:.06em; line-height:.9; color:var(--ink); }
.foot-claim{ font-family:var(--display); font-style:italic; color:var(--accent); font-size:clamp(1rem,2vw,1.4rem); }
.foot-cols{
  display:grid; grid-template-columns:repeat(3,1fr); gap:2rem;
  padding:2.5rem 0; border-top:1px solid var(--line);
}
.foot-cols span{ display:block; font-size:.72rem; letter-spacing:.2em; text-transform:uppercase; color:var(--accent); margin-bottom:1rem; }
.foot-cols a{ display:block; color:var(--muted); padding:.28rem 0; transition:color .3s; }
.foot-cols a:hover{ color:var(--ink); }
.foot-base{
  display:flex; justify-content:space-between; flex-wrap:wrap; gap:.6rem;
  padding-top:2rem; border-top:1px solid var(--line);
  font-size:.74rem; letter-spacing:.08em; color:var(--muted);
}
.foot-no{ font-family:var(--display); font-style:italic; color:var(--accent); }

/* ============================================================
   REVEAL ANIMATIONS (content visible by default; JS adds .pre)
   ============================================================ */
.reveal{ transition:opacity .9s var(--ease) var(--d,0s), transform .9s var(--ease) var(--d,0s); }
[data-reveal]{ transition:opacity 1s var(--ease), transform 1s var(--ease); }
.thesis-line [data-word]{ transition:opacity .85s var(--ease), transform .85s var(--ease); }

.reveal.pre{ opacity:0; transform:translateY(14px); }
[data-reveal].pre{ opacity:0; transform:translateY(34px); }
.thesis-line [data-word].pre{ opacity:0; transform:translateY(30px) rotate(2deg); }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width:880px){
  .head-nav a:not(.head-cta){ display:none; }

  /* HERO — lift the copy to the top so it never sits on the pendant,
     and lay a stronger top-down veil so the text stays legible over any
     frame of the video */
  .hero{ align-items:start; }
  .hero-copy{ padding-top:15vh; }
  .hero-title{ font-size:clamp(3.6rem,16vw,5.6rem); }
  .hero-lede{ margin-top:1.2rem; font-size:1.08rem; }
  .hero-veil{
    background:
      linear-gradient(180deg,
        color-mix(in oklab,var(--bg) 78%, transparent) 0%,
        color-mix(in oklab,var(--bg) 34%, transparent) 34%,
        transparent 56%),
      linear-gradient(0deg,
        color-mix(in oklab,var(--bg) 52%, transparent) 0%,
        transparent 24%);
  }

  /* calmer, more even vertical rhythm on small screens */
  .thesis{ padding:clamp(4rem,9vh,6rem) 0; }
  .thesis-sub{ margin-top:1.4rem; }
  .rows{ padding:clamp(3rem,7vh,5rem) 0; }
  .cta{ padding:clamp(4rem,10vh,7rem) 0; }

  .feature, .feature.reverse{ grid-template-columns:1fr; gap:1.6rem; }
  .feature{ padding:clamp(2.6rem,6vh,4rem) 0; }
  .feature.reverse .feature-media{ order:0; }
  .feature-media img{ aspect-ratio:4/5; }
  .band{ grid-template-columns:1fr; gap:1rem; }
  .band-plate{ order:-1; padding:1.6rem 1.4rem; }
  .band-still img, .band-video video{ min-height:240px; }
  .row{ grid-template-columns:auto 1fr; }
}
@media (max-width:520px){
  .edge-label{ display:none; }
  .site-head{ padding:1.1rem 1.4rem; }
  .hero-copy{ padding-top:13vh; }
  .hero-lede{ max-width:26ch; }
  .foot-cols{ grid-template-columns:1fr 1fr; }
  .foot-top{ padding-bottom:1.8rem; }
}

/* ============================================================
   REDUCED MOTION
   ============================================================ */
@media (prefers-reduced-motion:reduce){
  *{ animation:none!important; transition:none!important; }
  .reveal,[data-reveal],.thesis-line [data-word]{ opacity:1!important; transform:none!important; }
  .scroll-hint i{ display:none; }
}