/* ============================================================
   GRADED COLLECTION TRADING — Premium Dark Theme
   ============================================================ */

:root {
  --bg: #0a0a0f;
  --bg-raised: #101018;
  --bg-card: #13131d;
  --line: rgba(212, 175, 55, 0.14);
  --line-soft: rgba(255, 255, 255, 0.07);
  --gold: #d4af37;
  --gold-bright: #f0d067;
  --gold-deep: #9c7c1e;
  --text: #ece9e2;
  --text-muted: #a29e94;
  --text-faint: #6f6c65;
  --font-display: "Cormorant Garamond", Georgia, serif;
  --font-body: "Outfit", -apple-system, sans-serif;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-weight: 300;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

.container {
  width: min(1160px, calc(100% - 48px));
  margin-inline: auto;
}

::selection { background: rgba(212, 175, 55, 0.35); }

/* ---------- Typography ---------- */

h1, h2 {
  font-family: var(--font-display);
  font-weight: 500;
  line-height: 1.08;
  letter-spacing: 0.005em;
}

h1 { font-size: clamp(2.6rem, 5.6vw, 4.4rem); }
h2 { font-size: clamp(2.1rem, 4.2vw, 3.3rem); }

h1 em, h2 em {
  font-style: italic;
  background: linear-gradient(105deg, var(--gold-bright), var(--gold) 45%, var(--gold-deep));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: var(--gold);
}

h3 {
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 1.25rem;
  letter-spacing: 0.01em;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 22px;
}

.eyebrow-line {
  display: inline-block;
  width: 44px;
  height: 1px;
  background: linear-gradient(90deg, var(--gold), transparent);
}

.lead, .section-sub {
  color: var(--text-muted);
  font-size: 1.08rem;
  max-width: 54ch;
}

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 15px 32px;
  border-radius: 4px;
  font-family: var(--font-body);
  font-size: 0.88rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-decoration: none;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease), background 0.35s, color 0.35s, border-color 0.35s;
}

.btn-gold {
  background: linear-gradient(115deg, var(--gold-bright), var(--gold) 55%, var(--gold-deep));
  color: #16120a;
  box-shadow: 0 6px 24px -8px rgba(212, 175, 55, 0.45);
}

.btn-gold:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 32px -8px rgba(212, 175, 55, 0.55);
}

.btn-ghost {
  border-color: rgba(212, 175, 55, 0.4);
  color: var(--gold);
  background: transparent;
}

.btn-ghost:hover {
  background: rgba(212, 175, 55, 0.08);
  border-color: var(--gold);
  transform: translateY(-2px);
}

.btn-block { width: 100%; }

/* ---------- Nav ---------- */

.nav {
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  padding: 18px 0;
  transition: background 0.4s, padding 0.4s, border-color 0.4s;
  border-bottom: 1px solid transparent;
}

.nav.scrolled {
  background: rgba(10, 10, 15, 0.94);
  border-bottom-color: var(--line);
  padding: 12px 0;
}

.nav-inner {
  width: min(1240px, calc(100% - 48px));
  margin-inline: auto;
  display: flex;
  align-items: center;
  gap: 32px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--gold);
  margin-right: auto;
}

.brand-text { display: flex; flex-direction: column; line-height: 1.15; }

.brand-name {
  font-family: var(--font-display);
  font-size: 1.18rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text);
}

.brand-sub {
  font-size: 0.62rem;
  font-weight: 500;
  letter-spacing: 0.34em;
  text-transform: uppercase;
  color: var(--gold);
}

.nav-links { display: flex; gap: 30px; }

.nav-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 400;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  transition: color 0.25s;
  position: relative;
  padding: 4px 0;
}

.nav-links a::after {
  content: "";
  position: absolute;
  left: 0; bottom: -2px;
  width: 100%; height: 1px;
  background: var(--gold);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s var(--ease);
}

.nav-links a:hover { color: var(--text); }
.nav-links a:hover::after { transform: scaleX(1); }

.nav-cta { padding: 11px 22px; font-size: 0.78rem; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: 0;
  cursor: pointer;
  padding: 6px;
}

.nav-toggle span {
  width: 24px; height: 2px;
  background: var(--gold);
  transition: transform 0.3s, opacity 0.3s;
}

/* ---------- Hero ---------- */

.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding: 140px 0 90px;
}

.hero-bg { position: absolute; inset: 0; overflow: hidden; pointer-events: none; }

.glow {
  position: absolute;
  border-radius: 50%;
  opacity: 0.9;
  pointer-events: none;
}

.glow-1 {
  width: 760px; height: 760px;
  background: radial-gradient(circle, rgba(212, 175, 55, 0.14), rgba(212, 175, 55, 0.05) 40%, transparent 68%);
  top: -220px; right: -160px;
}

.glow-2 {
  width: 640px; height: 640px;
  background: radial-gradient(circle, rgba(90, 60, 160, 0.13), rgba(90, 60, 160, 0.05) 40%, transparent 68%);
  bottom: -200px; left: -180px;
}

.grid-lines {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: radial-gradient(ellipse 90% 70% at 50% 40%, #000 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 90% 70% at 50% 40%, #000 30%, transparent 75%);
}

.hero-inner {
  position: relative;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 60px;
  align-items: center;
}

.hero-actions { display: flex; flex-wrap: wrap; gap: 16px; margin-top: 38px; }

.hero .lead { margin-top: 26px; }

.hero-graders { margin-top: 54px; }

.graders-label {
  display: block;
  font-size: 0.72rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--text-faint);
  margin-bottom: 14px;
}

.hero-graders ul {
  display: flex;
  gap: 12px;
  list-style: none;
  flex-wrap: wrap;
}

.hero-graders li {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.05rem;
  letter-spacing: 0.14em;
  color: var(--text-muted);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 8px 20px;
  background: rgba(255, 255, 255, 0.02);
}

/* ---------- Slabs (the graded-card cases) ---------- */

.slab {
  width: 100%;
  aspect-ratio: 3 / 4.35;
  background: linear-gradient(160deg, rgba(255,255,255,0.13), rgba(255,255,255,0.04) 40%, rgba(255,255,255,0.09));
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 10px;
  padding: 7% 7% 9%;
  display: flex;
  flex-direction: column;
  gap: 6%;
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.25),
    inset 0 -1px 0 rgba(255,255,255,0.08),
    0 24px 48px -18px rgba(0, 0, 0, 0.7);
  position: relative;
}

.slab-label {
  display: flex;
  align-items: baseline;
  gap: 8px;
  border-radius: 4px;
  padding: 6px 10px;
  font-weight: 700;
  line-height: 1.1;
  flex: 0 0 auto;
}

.label-grader { font-size: 0.95rem; letter-spacing: 0.06em; }
.label-grade { font-size: 1.15rem; margin-left: auto; }
.label-desc { font-size: 0.52rem; letter-spacing: 0.14em; align-self: center; opacity: 0.85; order: -0; }

.label-psa  { background: #e63329; color: #fff; }
.label-bgs  { background: linear-gradient(115deg, #f3d271, #c9a437); color: #211a05; }
.label-cgc  { background: #1273b5; color: #fff; }
.label-sgc  { background: #101010; color: #f5f2ea; border: 1px solid #3a3a3a; }

.slab-art {
  flex: 1;
  border-radius: 6px;
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 12px;
  border: 1px solid rgba(0,0,0,0.35);
}

.art-cat {
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  opacity: 0.85;
}

.art-title {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
  line-height: 1.15;
}

/* real slab photos (swapped in by script.js when a data-photo file exists) */
.slab.has-photo {
  padding: 0;
  background: none;
  border: 0;
  overflow: hidden;
  box-shadow: 0 24px 48px -18px rgba(0, 0, 0, 0.7);
  /* follow the photo's own aspect ratio — never crop the slab */
  aspect-ratio: auto;
}

.slab-photo-img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 10px;
}

/* card artworks — abstract, no IP */
.art-flame {
  background:
    radial-gradient(120% 90% at 80% 0%, rgba(255, 220, 120, 0.55), transparent 55%),
    radial-gradient(100% 80% at 20% 100%, rgba(120, 20, 10, 0.9), transparent 70%),
    linear-gradient(160deg, #f5a623, #c93b0c 55%, #4a0d05);
  color: #fff7e8;
}

.art-sakura {
  background:
    radial-gradient(100% 80% at 85% 10%, rgba(255, 200, 220, 0.6), transparent 55%),
    radial-gradient(110% 90% at 10% 95%, rgba(20, 80, 90, 0.95), transparent 70%),
    linear-gradient(160deg, #ef7fae, #7c2d6b 55%, #14343f);
  color: #ffeef5;
}

.art-court {
  background:
    radial-gradient(110% 80% at 80% 5%, rgba(250, 190, 90, 0.5), transparent 55%),
    linear-gradient(160deg, #6d3fb0, #3b1f66 55%, #170a2e);
  color: #f2e9ff;
}

.art-turf {
  background:
    radial-gradient(110% 80% at 75% 5%, rgba(190, 255, 170, 0.4), transparent 55%),
    linear-gradient(160deg, #2e9e4f, #145c33 55%, #06231a);
  color: #eaffee;
}

.art-sepia {
  background:
    radial-gradient(110% 80% at 75% 5%, rgba(255, 235, 190, 0.5), transparent 55%),
    linear-gradient(160deg, #b98a4e, #7a5426 55%, #2c1c0b);
  color: #fdf3e0;
}

.art-pitch {
  background:
    radial-gradient(110% 80% at 75% 5%, rgba(140, 220, 255, 0.45), transparent 55%),
    linear-gradient(160deg, #2f7fd4, #1a4a8a 55%, #0a1d3d);
  color: #e8f4ff;
}

.holo-sheen {
  position: absolute;
  inset: -60% -30%;
  background: linear-gradient(115deg,
    transparent 32%,
    rgba(255, 255, 255, 0.16) 42%,
    rgba(160, 240, 255, 0.22) 48%,
    rgba(255, 180, 255, 0.2) 54%,
    rgba(255, 255, 255, 0.14) 60%,
    transparent 70%);
  transform: translateX(-55%) rotate(0.001deg);
  transition: transform 1.1s var(--ease);
  pointer-events: none;
}

.slab:hover .holo-sheen,
.slab-front .holo-sheen { transform: translateX(45%); }

.slab-front .holo-sheen { animation: sheen 5.5s var(--ease) infinite; }

@keyframes sheen {
  0%, 55%  { transform: translateX(-55%); }
  85%, 100% { transform: translateX(55%); }
}

/* hero slab arrangement */
.hero-visual { display: flex; justify-content: center; }

.hero-slab-stack {
  position: relative;
  width: min(320px, 78%);
}

.slab-hero.slab-front {
  position: relative;
  z-index: 2;
  transform: rotate(3.5deg);
  animation: floaty 7s ease-in-out infinite;
  transition: transform 0.5s var(--ease);
}

.slab-hero.slab-back {
  position: absolute;
  inset: 0;
  transform: rotate(-8deg) translate(-13%, 5%) scale(0.94);
  opacity: 0.45;
}

@keyframes floaty {
  0%, 100% { transform: rotate(3.5deg) translateY(0); }
  50%      { transform: rotate(3.5deg) translateY(-14px); }
}

/* hero slabs with real photos: back slab fills the stack box */
.slab-hero.slab-back.has-photo .slab-photo-img {
  height: 100%;
  object-fit: cover;
}

/* ---------- Trust strip ---------- */

.trust-strip {
  border-block: 1px solid var(--line);
  padding: 20px 0;
  overflow: hidden;
  background: var(--bg-raised);
}

.trust-track {
  display: flex;
  align-items: center;
  gap: 40px;
  width: max-content;
  animation: marquee 30s linear infinite;
}

.trust-track span {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.05rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--text-faint);
  white-space: nowrap;
}

.trust-track i { color: var(--gold); font-size: 0.6rem; font-style: normal; opacity: 0.7; }

@keyframes marquee {
  to { transform: translateX(-50%); }
}

/* ---------- Sections ---------- */

.section { padding: 120px 0; position: relative; }

.section-head { margin-bottom: 64px; max-width: 720px; }
.section-head .section-sub { margin-top: 20px; }

/* about */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 64px;
  align-items: start;
}

.about-lead {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 500;
  line-height: 1.45;
  color: var(--text);
  border-left: 2px solid var(--gold);
  padding-left: 28px;
}

.about-points { display: grid; gap: 8px; }

.point {
  display: grid;
  grid-template-columns: 64px 1fr;
  grid-template-rows: auto auto;
  column-gap: 20px;
  padding: 26px 0;
  border-bottom: 1px solid var(--line-soft);
}

.point:last-child { border-bottom: 0; }

.point-num {
  grid-row: 1 / 3;
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 500;
  color: var(--gold);
  opacity: 0.85;
  line-height: 1;
}

.point p { color: var(--text-muted); margin-top: 8px; font-size: 0.98rem; }

/* collection */
.section-collection {
  background:
    radial-gradient(60% 40% at 50% 0%, rgba(212, 175, 55, 0.05), transparent 70%),
    var(--bg-raised);
  border-block: 1px solid var(--line-soft);
}

.slab-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px 32px;
  align-items: start;
}

.slab-card { perspective: 900px; }

.slab-card .slab {
  transition: transform 0.5s var(--ease), box-shadow 0.5s var(--ease);
  transform-style: preserve-3d;
  will-change: transform;
}

.slab-card:hover .slab {
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.25),
    0 32px 64px -20px rgba(0, 0, 0, 0.85),
    0 0 48px -12px rgba(212, 175, 55, 0.25);
}

.slab-card figcaption {
  margin-top: 18px;
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.slab-card figcaption strong {
  font-weight: 500;
  font-size: 1.02rem;
  letter-spacing: 0.02em;
}

.slab-card figcaption span {
  color: var(--text-faint);
  font-size: 0.88rem;
}

.collection-note {
  margin-top: 44px;
  text-align: center;
  color: var(--text-faint);
  font-size: 0.82rem;
  letter-spacing: 0.04em;
}

/* buy & sell */
.bs-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}

.bs-card {
  background: var(--bg-card);
  border: 1px solid var(--line-soft);
  border-radius: 12px;
  padding: 44px 40px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 18px;
  transition: border-color 0.4s, transform 0.4s var(--ease);
}

.bs-card:hover { border-color: var(--line); transform: translateY(-4px); }

.bs-icon {
  width: 56px; height: 56px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  color: var(--gold);
  border: 1px solid var(--line);
  background: rgba(212, 175, 55, 0.06);
}

.bs-card p { color: var(--text-muted); font-size: 0.98rem; }

.bs-steps {
  list-style: none;
  display: grid;
  gap: 12px;
  margin: 8px 0 14px;
}

.bs-steps li {
  display: flex;
  align-items: center;
  gap: 14px;
  color: var(--text);
  font-size: 0.95rem;
}

.bs-steps li span {
  width: 26px; height: 26px;
  flex: 0 0 auto;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--gold);
  border: 1px solid var(--line);
}

/* ---------- Contact ---------- */

.section-contact {
  background:
    radial-gradient(50% 50% at 85% 20%, rgba(212, 175, 55, 0.06), transparent 70%),
    var(--bg);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.05fr;
  gap: 72px;
  align-items: start;
}

.contact-channels { display: grid; gap: 14px; margin-top: 40px; }

.channel {
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 18px 20px;
  border: 1px solid var(--line-soft);
  border-radius: 10px;
  text-decoration: none;
  color: var(--text);
  background: rgba(255, 255, 255, 0.015);
  transition: border-color 0.3s, background 0.3s;
}

a.channel:hover { border-color: var(--line); background: rgba(212, 175, 55, 0.04); }

.channel-icon {
  width: 46px; height: 46px;
  flex: 0 0 auto;
  border-radius: 50%;
  display: grid;
  place-items: center;
  color: var(--gold);
  border: 1px solid var(--line);
}

.channel-wa { color: #4fce5d; border-color: rgba(79, 206, 93, 0.3); }

.channel strong { display: block; font-weight: 500; font-size: 0.95rem; }
.channel em { font-style: normal; color: var(--text-muted); font-size: 0.88rem; }

/* form */
.contact-form {
  background: var(--bg-card);
  border: 1px solid var(--line-soft);
  border-radius: 14px;
  padding: 40px 36px;
  display: grid;
  gap: 20px;
}

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }

.field { display: grid; gap: 8px; }

.field label {
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.field input,
.field select,
.field textarea {
  width: 100%;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--line-soft);
  border-radius: 6px;
  padding: 14px 16px;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 300;
  transition: border-color 0.3s, background 0.3s;
  appearance: none;
}

.field select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23d4af37' fill='none' stroke-width='1.5'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  cursor: pointer;
}

.field select:invalid { color: var(--text-faint); }
.field option { background: var(--bg-card); color: var(--text); }

.field input::placeholder,
.field textarea::placeholder { color: var(--text-faint); }

.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: rgba(212, 175, 55, 0.5);
  background: rgba(212, 175, 55, 0.04);
}

.field textarea { resize: vertical; min-height: 120px; }

/* conditional field groups (sell / buy) */
[hidden] { display: none !important; }

.conditional { display: grid; gap: 20px; }

.field-label {
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.check-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
  padding: 2px 0;
}

.field .check {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.92rem;
  font-weight: 300;
  letter-spacing: normal;
  text-transform: none;
  color: var(--text-muted);
  cursor: pointer;
  transition: color 0.2s;
}

.field .check:hover { color: var(--text); }

.field .check input {
  appearance: auto;
  -webkit-appearance: auto;
  width: 17px;
  height: 17px;
  padding: 0;
  border: 0;
  background: none;
  accent-color: var(--gold);
  cursor: pointer;
  margin: 0;
  flex: 0 0 auto;
}

.field .check input:checked + span { color: var(--text); }

.field .check-all span { color: var(--gold); font-weight: 500; }

.hp-field { position: absolute; left: -9999px; }

.form-note { font-size: 0.85rem; color: var(--gold); min-height: 1.2em; text-align: center; }

/* ---------- Footer ---------- */

.footer {
  border-top: 1px solid var(--line);
  background: #08080c;
  padding: 72px 0 36px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr;
  gap: 48px;
}

.footer-brand p {
  color: var(--text-muted);
  font-size: 0.92rem;
  margin-top: 18px;
  max-width: 34ch;
}

.footer-col h4 {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 14px;
}

.footer-col h4 + h4, .footer-col p + h4 { margin-top: 26px; }

.footer-col p, .footer-col address {
  font-style: normal;
  color: var(--text-muted);
  font-size: 0.92rem;
  line-height: 1.75;
}

.footer-col a { color: var(--text-muted); text-decoration: none; transition: color 0.25s; }
.footer-col a:hover { color: var(--gold); }

.footer-bottom {
  margin-top: 56px;
  padding-top: 28px;
  border-top: 1px solid var(--line-soft);
  display: grid;
  gap: 10px;
}

.footer-bottom p { color: var(--text-faint); font-size: 0.8rem; }
.footer-legal { max-width: 90ch; line-height: 1.7; }

/* ---------- Floating WhatsApp ---------- */

.wa-float {
  position: fixed;
  right: 26px;
  bottom: 26px;
  z-index: 90;
  width: 56px; height: 56px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: #23b33a;
  color: #fff;
  box-shadow: 0 10px 28px -6px rgba(35, 179, 58, 0.5);
  transition: transform 0.3s var(--ease), box-shadow 0.3s;
}

.wa-float:hover {
  transform: translateY(-4px) scale(1.05);
  box-shadow: 0 16px 34px -6px rgba(35, 179, 58, 0.6);
}

/* ---------- Reveal on scroll ---------- */

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.9s var(--ease), transform 0.9s var(--ease);
}

.reveal.in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .trust-track, .slab-front .holo-sheen, .slab-hero.slab-front { animation: none; }
  html { scroll-behavior: auto; }
}

/* ---------- Responsive ---------- */

@media (max-width: 1020px) {
  .hero-inner { grid-template-columns: 1fr; gap: 72px; text-align: left; }
  .hero-visual { order: -1; margin-top: 20px; }
  .hero-slab-stack { width: min(240px, 60%); }
  .hero { min-height: auto; padding-top: 120px; }
  .about-grid { grid-template-columns: 1fr; gap: 44px; }
  .slab-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-grid { grid-template-columns: 1fr; gap: 56px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 720px) {
  .section { padding: 84px 0; }
  .nav-links, .nav-cta { display: none; }
  .nav-toggle { display: flex; }

  .nav-links.open {
    display: flex;
    position: fixed;
    inset: 0;
    background: rgba(10, 10, 15, 0.97);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 36px;
    z-index: 99;
  }

  .nav-links.open a { font-size: 1.2rem; }

  .nav-toggle { position: relative; z-index: 101; }
  .nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav-toggle.open span:nth-child(2) { opacity: 0; }
  .nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

  .slab-grid { grid-template-columns: 1fr; max-width: 340px; margin-inline: auto; }
  .bs-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 36px; }
  .contact-form { padding: 30px 24px; }
  .wa-float { right: 18px; bottom: 18px; }
}