/* ============================================================
   DIAMÍND — Lab-grown diamond jewellery, Dubai
   Editorial showcase · design tokens + base + components
   Palette keyed to the DIAMÍND wordmark + bright editorial
   photography: warm pearl ground, cool navy-ink, champagne
   gold hairline accent, diamond-ice blue. (No black+gold cliché.)
   ============================================================ */

:root {
  /* Core palette */
  --bg:        #FBF9F6;  /* warm pearl / cream editorial backdrop */
  --surface:   #FFFFFF;  /* cards, tiles, product grounds */
  --surface-2: #F4F0EA;  /* recessed / alternate band */
  --text:      #1B1E2A;  /* cool deep navy-ink (the wordmark colour) */
  --muted:     #65687A;  /* secondary copy, harmonized with ink */
  --faint:     #9A9CA8;  /* tertiary / captions */
  --primary:   #1B1E2A;  /* primary brand / CTA */
  --secondary: #B7975A;  /* champagne-gold — restrained metallic accent */
  --secondary-soft: #D8C08A;
  --accent:    #9BB8C4;  /* cool diamond-ice blue — sparkle / eco signal */
  --accent-deep:#6E94A3;
  --border:    #ECE6DD;  /* warm pearl hairline */
  --border-2:  #E0D9CD;
  --focus:     #6E94A3;  /* visible focus ring */

  --ink-scrim: linear-gradient(180deg, rgba(20,22,32,0) 0%, rgba(20,22,32,.05) 38%, rgba(20,22,32,.62) 100%);

  /* Type */
  --display: "Cormorant Garamond", Georgia, "Times New Roman", serif;
  --body: "Figtree", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  /* Spacing rhythm */
  --pad: clamp(20px, 5vw, 40px);
  --gut: clamp(20px, 5vw, 64px);
  --maxw: 1280px;

  --r-s: 6px;
  --r-m: 12px;
  --r-l: 20px;

  --shadow-s: 0 1px 2px rgba(27,30,42,.04), 0 2px 8px rgba(27,30,42,.04);
  --shadow-m: 0 4px 16px rgba(27,30,42,.06), 0 12px 40px rgba(27,30,42,.07);
  --shadow-l: 0 10px 30px rgba(27,30,42,.08), 0 30px 80px rgba(27,30,42,.10);

  --t: 420ms cubic-bezier(.2,.7,.2,1);
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .001ms !important; transition-duration: .001ms !important; }
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--body);
  font-size: 17px;
  line-height: 1.65;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }

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

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

/* ---------- Typography ---------- */
.h-display {
  font-family: var(--display);
  font-weight: 500;
  line-height: 1.02;
  letter-spacing: -0.01em;
  font-size: clamp(2.6rem, 7vw, 5.6rem);
  margin: 0;
}
.h1 {
  font-family: var(--display);
  font-weight: 500;
  line-height: 1.06;
  letter-spacing: -0.005em;
  font-size: clamp(2.2rem, 5.2vw, 4rem);
  margin: 0;
}
.h2 {
  font-family: var(--display);
  font-weight: 500;
  line-height: 1.08;
  font-size: clamp(1.9rem, 4vw, 3rem);
  margin: 0;
}
.h3 {
  font-family: var(--display);
  font-weight: 600;
  line-height: 1.15;
  font-size: clamp(1.4rem, 2.4vw, 1.9rem);
  margin: 0;
}
.serif-lede {
  font-family: var(--display);
  font-weight: 500;
  font-size: clamp(1.3rem, 2.6vw, 1.85rem);
  line-height: 1.4;
  letter-spacing: -0.005em;
}
.eyebrow {
  font-family: var(--body);
  text-transform: uppercase;
  letter-spacing: 0.28em;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--secondary);
  margin: 0;
}
.eyebrow.muted { color: var(--muted); }
.lede { font-size: clamp(1.02rem, 1.5vw, 1.18rem); color: var(--muted); line-height: 1.7; }
p { text-wrap: pretty; }
.fine { font-size: 0.82rem; color: var(--faint); line-height: 1.55; }

/* hairline rule with gold tick */
.rule { height: 1px; background: var(--border-2); border: 0; width: 100%; }
.tick { display:inline-block; width: 34px; height: 1px; background: var(--secondary); vertical-align: middle; }

/* ---------- Layout ---------- */
.wrap { max-width: var(--maxw); margin: 0 auto; padding-inline: var(--pad); width: 100%; }
.wrap-narrow { max-width: 920px; margin: 0 auto; padding-inline: var(--pad); width: 100%; }
.section { padding-block: clamp(56px, 9vw, 120px); }
.section-tight { padding-block: clamp(40px, 6vw, 72px); }
.band { background: var(--surface-2); }
.band-ink { background: var(--text); color: #F3F1EC; }
.band-ink .lede, .band-ink .muted { color: #B9BCC9; }
.band-ink .eyebrow { color: var(--secondary-soft); }

/* ---------- Wordmark ---------- */
.wordmark {
  font-family: var(--body);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.34em;
  font-size: 1.06rem;
  color: var(--text);
  display: inline-flex;
  align-items: center;
  line-height: 1;
  white-space: nowrap;
  padding-left: 0.34em; /* balance the tracking */
}
.wordmark.lg { font-size: 1.5rem; letter-spacing: 0.4em; }
.wordmark.xl { font-size: clamp(2rem, 6vw, 4rem); letter-spacing: 0.36em; font-weight: 500; }
.wordmark.on-dark { color: #F3F1EC; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.55em;
  font-family: var(--body); font-weight: 500; font-size: 0.86rem;
  letter-spacing: 0.12em; text-transform: uppercase;
  padding: 0.95em 1.7em; border-radius: 100px;
  border: 1px solid transparent; cursor: pointer;
  transition: transform var(--t), background var(--t), color var(--t), border-color var(--t), box-shadow var(--t);
  min-height: 48px; white-space: nowrap;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: #2b2f40; box-shadow: var(--shadow-m); }
.btn-ghost { background: transparent; color: var(--text); border-color: var(--border-2); }
.btn-ghost:hover { border-color: var(--text); background: rgba(27,30,42,.03); }
.btn-light { background: rgba(255,255,255,.10); color: #fff; border-color: rgba(255,255,255,.45); backdrop-filter: blur(6px); }
.btn-light:hover { background: rgba(255,255,255,.92); color: var(--text); border-color: #fff; }
.btn-wa { background: #25D366; color: #07351a; }
.btn-wa:hover { background: #1fc25c; box-shadow: 0 8px 24px rgba(37,211,102,.3); }
.btn-block { width: 100%; }
.btn-sm { padding: 0.7em 1.3em; min-height: 42px; font-size: 0.78rem; }

/* text link with gold underline */
.tlink {
  display: inline-flex; align-items: center; gap: 0.5em;
  font-weight: 500; font-size: 0.82rem; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--text); padding-bottom: 3px;
  border-bottom: 1px solid var(--secondary);
  transition: gap var(--t), color var(--t);
}
.tlink:hover { gap: 0.85em; color: var(--secondary); }
.tlink .arr { transition: transform var(--t); }
.tlink:hover .arr { transform: translateX(3px); }

/* ---------- Navbar ---------- */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  transition: background var(--t), box-shadow var(--t), border-color var(--t);
  border-bottom: 1px solid transparent;
}
.nav-inner {
  max-width: var(--maxw); margin: 0 auto; padding: 0 var(--pad);
  height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 16px;
}
.nav.solid { background: rgba(251,249,246,.88); backdrop-filter: blur(14px) saturate(1.1); border-color: var(--border); box-shadow: 0 1px 0 rgba(27,30,42,.02); }
.nav.over .wordmark, .nav.over .nav-link, .nav.over .nav-burger span { color: #fff; }
.nav.over .wordmark, .nav.over .nav-link { text-shadow: 0 1px 16px rgba(20,22,32,.45); }
.nav.over .nav-burger span { background: #fff; }
.nav-links { display: flex; align-items: center; gap: clamp(14px, 1.8vw, 30px); }
.nav-link {
  font-size: 0.82rem; letter-spacing: 0.04em; font-weight: 500; color: var(--text);
  position: relative; padding: 6px 0; transition: color var(--t); background: none; border: 0;
}
.nav-link::after {
  content: ""; position: absolute; left: 0; right: 100%; bottom: 0; height: 1px;
  background: var(--secondary); transition: right var(--t);
}
.nav-link:hover::after, .nav-link.active::after { right: 0; }
.nav-cta { display: flex; align-items: center; gap: 12px; }
.nav-burger { display: none; flex-direction: column; gap: 5px; background: none; border: 0; padding: 10px; }
.nav-burger span { width: 24px; height: 2px; background: var(--text); transition: transform var(--t), opacity var(--t), background var(--t); border-radius: 2px; }
.nav-burger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-burger.open span:nth-child(2) { opacity: 0; }
.nav-burger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* mobile menu sheet */
.msheet {
  position: fixed; inset: 0; z-index: 95; background: var(--bg);
  display: flex; flex-direction: column; padding: 96px var(--pad) 40px;
  transform: translateY(-100%); opacity: 0; pointer-events: none;
  transition: transform var(--t), opacity var(--t);
}
.msheet.open { transform: translateY(0); opacity: 1; pointer-events: auto; }
.msheet a.m-link {
  font-family: var(--display); font-size: 2rem; font-weight: 500; padding: 14px 0;
  border-bottom: 1px solid var(--border); color: var(--text); display: flex; justify-content: space-between; align-items: center;
}
.msheet a.m-link .idx { font-family: var(--body); font-size: .8rem; color: var(--secondary); letter-spacing: .2em; }
.msheet-cta { margin-top: auto; display: grid; gap: 12px; padding-top: 28px; }

/* ---------- Hero ---------- */
.hero { position: relative; min-height: 100svh; display: flex; align-items: flex-end; overflow: hidden; }
.hero-img { position: absolute; inset: 0; }
.hero-img img { width: 100%; height: 100%; object-fit: cover; object-position: center 30%; }
.hero-scrim { position: absolute; inset: 0;
  background:
    linear-gradient(180deg, rgba(20,22,32,.58) 0%, rgba(20,22,32,.12) 20%, rgba(20,22,32,.1) 42%, rgba(20,22,32,.5) 74%, rgba(20,22,32,.82) 100%),
    linear-gradient(90deg, rgba(20,22,32,.55) 0%, rgba(20,22,32,.2) 42%, rgba(20,22,32,0) 70%);
}
.hero-scrim.side { background:
    linear-gradient(180deg, rgba(20,22,32,.5) 0%, rgba(20,22,32,0) 22%, rgba(20,22,32,0) 100%),
    linear-gradient(90deg, rgba(20,22,32,.7) 0%, rgba(20,22,32,.3) 45%, rgba(20,22,32,0) 78%); }
.hero-content { position: relative; z-index: 2; padding-bottom: clamp(64px, 11vh, 130px); padding-top: 120px; color: #fff; max-width: 760px; text-shadow: 0 1px 24px rgba(20,22,32,.35); }
.hero h1 { color: #fff; }
.hero .lede { color: rgba(255,255,255,.9); max-width: 560px; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 34px; }
.hero-marquee { position: absolute; z-index: 2; top: 50%; }

/* ---------- Cards / tiles ---------- */
.grid { display: grid; gap: clamp(16px, 2.4vw, 30px); }
.g-2 { grid-template-columns: repeat(2, 1fr); }
.g-3 { grid-template-columns: repeat(3, 1fr); }
.g-4 { grid-template-columns: repeat(4, 1fr); }

.tile { display: block; position: relative; }
.tile-img { position: relative; overflow: hidden; border-radius: var(--r-m); background: var(--surface); aspect-ratio: 4/5; }
.tile-img.tall { aspect-ratio: 3/4; }
.tile-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 1.1s cubic-bezier(.2,.7,.2,1); }
.tile:hover .tile-img img { transform: scale(1.045); }
.tile-meta { padding: 16px 2px 4px; display: flex; justify-content: space-between; align-items: baseline; gap: 12px; }
.tile-name { font-family: var(--display); font-size: 1.32rem; font-weight: 600; line-height: 1.15; }
.tile-price { font-size: .82rem; color: var(--muted); white-space: nowrap; }
.tile-cat { font-size: .72rem; letter-spacing: .16em; text-transform: uppercase; color: var(--faint); margin-bottom: 6px; }
.tag {
  position: absolute; top: 12px; left: 12px; z-index: 2;
  background: rgba(255,255,255,.92); backdrop-filter: blur(6px);
  font-size: .64rem; letter-spacing: .16em; text-transform: uppercase; font-weight: 600;
  color: var(--text); padding: 6px 11px; border-radius: 100px;
}
.tag.ice { background: var(--accent); color: #06303d; }

/* collection feature card */
.coll-card { position: relative; overflow: hidden; border-radius: var(--r-l); min-height: 420px; display: flex; align-items: flex-end; }
.coll-card img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform 1.2s cubic-bezier(.2,.7,.2,1); }
.coll-card:hover img { transform: scale(1.05); }
.coll-card .ov { position: absolute; inset: 0; background: var(--ink-scrim); }
.coll-card .coll-body { position: relative; z-index: 2; padding: clamp(22px, 3vw, 38px); color: #fff; }
.coll-card .coll-body h3 { color: #fff; }
.coll-card.lg { min-height: 560px; }

/* ---------- Value strip ---------- */
.values { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--border); border-block: 1px solid var(--border); }
.value-cell { background: var(--bg); padding: clamp(24px, 3vw, 40px) clamp(16px, 2vw, 28px); text-align: center; }
.value-ico { width: 30px; height: 30px; margin: 0 auto 16px; color: var(--secondary); }
.value-cell h4 { font-family: var(--display); font-size: 1.25rem; font-weight: 600; margin: 0 0 6px; }
.value-cell p { margin: 0; font-size: .9rem; color: var(--muted); }

/* ---------- Diamond shape explainer ---------- */
.shapes { display: grid; grid-template-columns: repeat(7, 1fr); gap: 10px; }
.shape {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-m);
  padding: 20px 8px 14px; text-align: center; transition: border-color var(--t), transform var(--t), box-shadow var(--t);
}
.shape:hover { border-color: var(--secondary); transform: translateY(-3px); box-shadow: var(--shadow-s); }
.shape svg { width: 38px; height: 52px; margin: 0 auto 12px; display: block; }
.shape-name { font-size: .76rem; letter-spacing: .08em; text-transform: uppercase; color: var(--text); font-weight: 500; }
.dia-stroke { fill: none; stroke: var(--accent-deep); stroke-width: 3.2; stroke-linejoin: round; }
.dia-line { stroke: var(--accent); stroke-width: 1.6; }

/* ---------- Bespoke journey ---------- */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: clamp(20px, 3vw, 40px); counter-reset: step; }
.step { position: relative; }
.step-n { font-family: var(--display); font-size: 2.4rem; font-weight: 500; color: var(--secondary); line-height: 1; margin-bottom: 14px; }
.step h4 { font-family: var(--display); font-size: 1.3rem; font-weight: 600; margin: 0 0 8px; }
.step p { margin: 0; color: var(--muted); font-size: .95rem; }

/* ---------- Sustainability ---------- */
.stat { text-align: center; }
.stat .num { font-family: var(--display); font-weight: 500; font-size: clamp(2.6rem, 5vw, 4rem); line-height: 1; color: #fff; }
.stat .num .u { font-size: .42em; color: var(--secondary-soft); margin-left: 2px; letter-spacing: .02em; }
.stat .lbl { font-size: .9rem; color: #B9BCC9; margin-top: 10px; }

/* ---------- Testimonials ---------- */
.quote { font-family: var(--display); font-weight: 500; font-size: clamp(1.4rem, 2.6vw, 2.1rem); line-height: 1.36; letter-spacing: -0.005em; }
.quote-mark { font-family: var(--display); font-size: 4rem; line-height: .5; color: var(--secondary); height: 28px; display: block; }
.t-dots { display: flex; gap: 8px; justify-content: center; margin-top: 36px; }
.t-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--border-2); border: 0; padding: 0; transition: background var(--t), width var(--t); }
.t-dot.active { background: var(--secondary); width: 26px; border-radius: 100px; }

/* ---------- Press strip ---------- */
.press { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: clamp(24px, 5vw, 64px); }
.press span { font-family: var(--display); font-size: clamp(1.1rem, 2.2vw, 1.5rem); font-weight: 500; color: var(--faint); letter-spacing: .04em; white-space: nowrap; }

/* ---------- Forms / modal ---------- */
.modal-bg { position: fixed; inset: 0; z-index: 200; background: rgba(20,22,32,.55); backdrop-filter: blur(4px); display: flex; align-items: center; justify-content: center; padding: 20px; opacity: 0; pointer-events: none; transition: opacity var(--t); }
.modal-bg.open { opacity: 1; pointer-events: auto; }
.modal { background: var(--bg); border-radius: var(--r-l); width: 100%; max-width: 560px; max-height: 92vh; overflow-y: auto; box-shadow: var(--shadow-l); transform: translateY(16px) scale(.98); transition: transform var(--t); }
.modal-bg.open .modal { transform: none; }
.modal-head { padding: 28px clamp(22px,4vw,40px) 0; display:flex; justify-content: space-between; align-items: flex-start; gap: 16px; }
.modal-body { padding: 8px clamp(22px,4vw,40px) clamp(26px,4vw,38px); }
.modal-close { background: none; border: 1px solid var(--border-2); border-radius: 50%; width: 40px; height: 40px; font-size: 1.1rem; color: var(--muted); display: grid; place-items: center; flex: none; transition: border-color var(--t), color var(--t); }
.modal-close:hover { border-color: var(--text); color: var(--text); }

.field { margin-bottom: 16px; }
.field label { display: block; font-size: .74rem; letter-spacing: .12em; text-transform: uppercase; color: var(--muted); margin-bottom: 7px; font-weight: 600; }
.field input, .field textarea, .field select {
  width: 100%; font-family: var(--body); font-size: 1rem; color: var(--text);
  background: var(--surface); border: 1px solid var(--border-2); border-radius: var(--r-s);
  padding: 13px 14px; transition: border-color var(--t), box-shadow var(--t);
}
.field input:focus, .field textarea:focus, .field select:focus { outline: none; border-color: var(--accent-deep); box-shadow: 0 0 0 3px rgba(110,148,163,.16); }
.field textarea { resize: vertical; min-height: 96px; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.chiprow { display: flex; flex-wrap: wrap; gap: 8px; }
.chip { font-size: .82rem; padding: 8px 14px; border-radius: 100px; border: 1px solid var(--border-2); background: var(--surface); color: var(--muted); transition: all var(--t); }
.chip.on { background: var(--text); color: #fff; border-color: var(--text); }
.form-ok { text-align: center; padding: 20px 0; }
.form-ok .ok-ring { width: 64px; height: 64px; border-radius: 50%; border: 1.5px solid var(--secondary); display: grid; place-items: center; margin: 0 auto 18px; color: var(--secondary); }

/* ---------- Footer ---------- */
.footer { background: var(--text); color: #C9CCD8; padding-top: clamp(56px, 8vw, 96px); }
.footer a { color: #C9CCD8; transition: color var(--t); }
.footer a:hover { color: #fff; }
.footer .wordmark { color: #fff; }
.foot-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.4fr; gap: clamp(28px, 4vw, 56px); padding-bottom: 56px; }
.foot-col h5 { font-size: .72rem; letter-spacing: .2em; text-transform: uppercase; color: var(--secondary-soft); margin: 0 0 18px; font-weight: 600; }
.foot-col ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 11px; }
.foot-col li { font-size: .92rem; }
.foot-bot { border-top: 1px solid rgba(255,255,255,.10); padding: 24px 0 40px; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 14px; align-items: center; }
.foot-bot .fine { color: #7B7E8C; }
.socials { display: flex; gap: 10px; }
.soc { width: 42px; height: 42px; border-radius: 50%; border: 1px solid rgba(255,255,255,.18); display: grid; place-items: center; color: #C9CCD8; transition: border-color var(--t), color var(--t), background var(--t); }
.soc:hover { border-color: #fff; color: var(--text); background: #fff; }

/* ---------- WhatsApp FAB ---------- */
.fab { position: fixed; right: 22px; bottom: 22px; z-index: 90; width: 58px; height: 58px; border-radius: 50%; background: #25D366; color: #fff; display: grid; place-items: center; box-shadow: 0 8px 28px rgba(37,211,102,.4); border: 0; transition: transform var(--t); }
.fab:hover { transform: scale(1.08); }

/* ---------- Mobile action bar ---------- */
.mbar { position: fixed; left: 0; right: 0; bottom: 0; z-index: 92; display: none; background: rgba(251,249,246,.95); backdrop-filter: blur(14px); border-top: 1px solid var(--border); padding: 9px 10px calc(9px + env(safe-area-inset-bottom)); }
.mbar-inner { display: grid; grid-template-columns: 1fr 1fr 1.4fr; gap: 8px; max-width: 560px; margin: 0 auto; }
.mbar a { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 3px; min-height: 50px; border-radius: var(--r-s); font-size: .66rem; letter-spacing: .06em; text-transform: uppercase; font-weight: 600; color: var(--text); border: 1px solid var(--border-2); background: var(--surface); }
.mbar a.prim { background: var(--text); color: #fff; border-color: var(--text); flex-direction: row; gap: 7px; }
.mbar a svg { width: 18px; height: 18px; }

/* ---------- Map placeholder ---------- */
.map-ph { position: relative; border-radius: var(--r-l); overflow: hidden; border: 1px solid var(--border); background:
  repeating-linear-gradient(45deg, var(--surface-2) 0 14px, var(--bg) 14px 28px);
  min-height: 340px; display: grid; place-items: center; text-align: center; }
.map-ph .map-tag { background: var(--surface); border: 1px solid var(--border-2); border-radius: 100px; padding: 10px 20px; font-size: .8rem; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); box-shadow: var(--shadow-s); }
.map-pin { width: 16px; height: 16px; border-radius: 50% 50% 50% 0; background: var(--accent-deep); transform: rotate(-45deg); margin: 0 auto 14px; box-shadow: 0 0 0 6px rgba(110,148,163,.18); }

/* ---------- Reveal-on-scroll ---------- */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity .8s cubic-bezier(.2,.7,.2,1), transform .8s cubic-bezier(.2,.7,.2,1); }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; } }

/* ---------- Utility ---------- */
.center { text-align: center; }
.mt-s { margin-top: 14px; } .mt-m { margin-top: 26px; } .mt-l { margin-top: 44px; }
.mb-m { margin-bottom: 26px; } .mb-l { margin-bottom: 44px; }
.maxw-prose { max-width: 620px; }
.flex { display: flex; } .gap-s { gap: 10px; } .gap-m { gap: 18px; }
.between { display:flex; justify-content: space-between; align-items: flex-end; gap: 20px; flex-wrap: wrap; }
.cta-row { display: flex; flex-wrap: wrap; gap: 14px; }
.attr { font-size: .76rem; color: var(--faint); font-style: italic; }
.sr-only { position:absolute; width:1px; height:1px; padding:0; margin:-1px; overflow:hidden; clip:rect(0,0,0,0); border:0; }

/* ============================================================
   RESPONSIVE  (mobile-first verified at 375px)
   ============================================================ */
@media (max-width: 1080px) {
  .foot-grid { grid-template-columns: 1fr 1fr; gap: 36px; }
  .shapes { grid-template-columns: repeat(4, 1fr); }
}
@media (max-width: 900px) {
  body { font-size: 16px; }
  .nav-links { display: none; }
  .nav-cta .btn:not(.always) { display: none; }
  .nav-burger { display: flex; }
  .steps { grid-template-columns: repeat(2, 1fr); row-gap: 36px; }
  .g-4 { grid-template-columns: repeat(2, 1fr); }
  .g-3 { grid-template-columns: repeat(2, 1fr); }
  .values { grid-template-columns: repeat(2, 1fr); }
  .fab { display: none; }
  .mbar { display: block; }
  body { padding-bottom: 72px; }
  .footer { padding-bottom: 72px; }
}
@media (max-width: 560px) {
  .field-row { grid-template-columns: 1fr; }
  .g-2 { grid-template-columns: 1fr; }
  .shapes { grid-template-columns: repeat(3, 1fr); }
  .foot-grid { grid-template-columns: 1fr; gap: 30px; }
  .hero-cta { gap: 10px; }
  .hero-cta .btn { flex: 1 1 auto; }
  .coll-card.lg, .coll-card { min-height: 380px; }
  .tile-name { font-size: 1.18rem; }
  .nav-inner { height: 64px; }
  .nav-cta .btn-sm { padding: .6em 1.1em; }
}
@media (max-width: 380px) {
  .shapes { grid-template-columns: repeat(2, 1fr); }
}