/* ===== Ravenstone Renovation & Remodeling ===== */

:root {
  /* Forged stone palette derived from the logo */
  --ink:        #0d0e10;   /* near-black slate */
  --ink-2:      #121417;   /* panel */
  --ink-3:      #1a1d21;   /* raised panel */
  --steel:      #b9bcc2;   /* brushed steel text */
  --steel-2:    #7e838b;   /* muted steel */
  --steel-line: #2a2e34;   /* hairline */
  --crimson:    #a51c1c;   /* brand red */
  --crimson-2:  #c62828;   /* hover red */
  --crimson-dk: #7c1414;
  --cream:      #f4f2ee;
  --white:      #ffffff;

  --font-display: 'Oswald', 'Arial Narrow', sans-serif;
  --font-body:    'Barlow', system-ui, -apple-system, sans-serif;

  --maxw: 1200px;
  --radius: 4px;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  background: var(--ink);
  color: var(--steel);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

.container { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
section { position: relative; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  color: var(--white);
  font-weight: 600;
  line-height: 1.05;
  letter-spacing: 0.01em;
  text-transform: uppercase;
}

.vet-badge {
  display: flex;
  width: fit-content;
  align-items: center;
  gap: 9px;
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.74rem;
  font-weight: 600;
  color: var(--white);
  padding: 8px 18px;
  margin-bottom: 24px;
  border-radius: 999px;
  background: rgba(20,22,26,0.85);
  border: 1px solid var(--crimson);
  position: relative;
  z-index: 2;
}
.vet-badge svg { width: 16px; height: 16px; color: var(--crimson-2); flex-shrink: 0; }

.eyebrow {
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 0.32em;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--crimson-2);
  display: inline-block;
  margin-bottom: 14px;
}
.eyebrow::before {
  content: "";
  display: inline-block;
  width: 26px; height: 2px;
  background: var(--crimson);
  vertical-align: middle;
  margin-right: 12px;
  margin-bottom: 4px;
}

.section-title { font-size: clamp(2rem, 5vw, 3.25rem); }
.lead { font-size: 1.1rem; color: var(--steel-2); max-width: 60ch; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--font-display);
  text-transform: uppercase; letter-spacing: 0.14em;
  font-weight: 600; font-size: 0.9rem;
  padding: 15px 30px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  cursor: pointer;
  transition: all 0.25s var(--ease);
}
.btn-primary { background: var(--crimson); color: var(--white); }
.btn-primary:hover { background: var(--crimson-2); transform: translateY(-2px); box-shadow: 0 10px 30px rgba(165,28,28,0.35); }
.btn-ghost { background: transparent; color: var(--white); border-color: var(--steel-line); }
.btn-ghost:hover { border-color: var(--steel); background: rgba(255,255,255,0.04); }

/* ===== Header ===== */
.header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  transition: background 0.3s var(--ease), box-shadow 0.3s var(--ease), padding 0.3s var(--ease);
  padding: 18px 0;
}
.header.scrolled {
  background: rgba(13,14,16,0.92);
  backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 var(--steel-line);
  padding: 10px 0;
}
.header .container { display: flex; align-items: center; justify-content: space-between; }
.brand { display: flex; align-items: center; gap: 12px; }
.brand img { height: 52px; width: auto; transition: height 0.3s var(--ease); }
.header.scrolled .brand img { height: 44px; }
.nav { display: flex; align-items: center; gap: 34px; }
.nav a {
  font-family: var(--font-display); text-transform: uppercase;
  letter-spacing: 0.1em; font-size: 0.85rem; font-weight: 500;
  color: var(--steel); transition: color 0.2s;
}
.nav a:hover { color: var(--white); }
.nav .btn { padding: 11px 22px; }
.nav-toggle { display: none; background: none; border: 0; color: var(--white); font-size: 1.6rem; cursor: pointer; }

/* ===== Hero ===== */
.hero {
  min-height: 100vh;
  display: flex; align-items: center;
  position: relative;
  background:
    linear-gradient(180deg, rgba(13,14,16,0.72) 0%, rgba(13,14,16,0.86) 60%, var(--ink) 100%),
    radial-gradient(120% 90% at 70% 20%, rgba(165,28,28,0.16), transparent 55%),
    url('../img/feature_wall_slat.jpg');
  background-size: cover; background-position: center;
  overflow: hidden;
}
.hero::after {
  content: ""; position: absolute; inset: 0;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.04'/%3E%3C/svg%3E");
  pointer-events: none;
}
.hero-inner { position: relative; z-index: 2; padding: 120px 0 60px; max-width: 760px; }
.hero h1 {
  font-size: clamp(2.6rem, 7vw, 5.2rem);
  color: var(--white);
  margin-bottom: 22px;
}
.hero h1 .accent { color: var(--crimson-2); }
.hero .lead { font-size: 1.22rem; color: var(--cream); margin-bottom: 34px; max-width: 54ch; }
.hero-cta { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-meta {
  display: flex; gap: 40px; margin-top: 52px; flex-wrap: wrap;
  padding-top: 30px; border-top: 1px solid var(--steel-line);
}
.hero-meta .stat b { font-family: var(--font-display); font-size: 2rem; color: var(--white); display: block; line-height: 1; }
.hero-meta .stat span { font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.14em; color: var(--steel-2); }

/* scroll cue */
.scroll-cue { position: absolute; bottom: 22px; right: 32px; z-index: 2; color: var(--steel-2); font-size: 0.68rem; letter-spacing: 0.24em; text-transform: uppercase; text-align: center; }
@media (max-width: 720px){ .scroll-cue { display:none; } }
.scroll-cue span { display: block; width: 1px; height: 34px; background: linear-gradient(var(--crimson), transparent); margin: 8px auto 0; }

/* ===== Trust strip ===== */
.trust { background: var(--ink-2); border-top: 1px solid var(--steel-line); border-bottom: 1px solid var(--steel-line); }
.trust .container { display: flex; flex-wrap: wrap; gap: 18px 44px; justify-content: center; padding: 22px 24px; }
.trust .item { display: flex; align-items: center; gap: 10px; font-family: var(--font-display); text-transform: uppercase; letter-spacing: 0.12em; font-size: 0.82rem; color: var(--steel); }
.trust .item svg { width: 18px; height: 18px; color: var(--crimson-2); flex: none; }

/* ===== Generic section spacing ===== */
.pad { padding: clamp(72px, 10vw, 128px) 0; }
.section-head { max-width: 700px; margin-bottom: 56px; }

/* ===== Services ===== */
.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.svc-card {
  background: var(--ink-2);
  border: 1px solid var(--steel-line);
  border-radius: var(--radius);
  padding: 34px 28px;
  transition: transform 0.3s var(--ease), border-color 0.3s var(--ease), background 0.3s var(--ease);
  position: relative; overflow: hidden;
}
.svc-card::before {
  content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 3px;
  background: var(--crimson); transform: scaleY(0); transform-origin: top; transition: transform 0.3s var(--ease);
}
.svc-card:hover { transform: translateY(-6px); border-color: #3a3f46; background: var(--ink-3); }
.svc-card:hover::before { transform: scaleY(1); }
.svc-icon { width: 46px; height: 46px; color: var(--crimson-2); margin-bottom: 20px; }
.svc-card h3 { font-size: 1.35rem; margin-bottom: 12px; }
.svc-card p { font-size: 0.96rem; color: var(--steel-2); }
.svc-card ul { list-style: none; margin-top: 16px; }
.svc-card ul li { font-size: 0.86rem; color: var(--steel); padding-left: 18px; position: relative; margin-bottom: 6px; }
.svc-card ul li::before { content: "›"; color: var(--crimson-2); position: absolute; left: 0; font-weight: 700; }

/* ===== Gallery ===== */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-auto-rows: 220px;
  gap: 14px;
}
.gitem { position: relative; overflow: hidden; border-radius: var(--radius); border: 1px solid var(--steel-line); }
.gitem img, .gitem video { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s var(--ease); }
.gitem:hover img, .gitem:hover video { transform: scale(1.06); }
.gitem .cap {
  position: absolute; left: 0; right: 0; bottom: 0;
  padding: 40px 18px 16px;
  background: linear-gradient(transparent, rgba(13,14,16,0.92));
  font-family: var(--font-display); text-transform: uppercase; letter-spacing: 0.08em;
  font-size: 0.82rem; color: var(--white);
  opacity: 0; transform: translateY(8px); transition: all 0.3s var(--ease);
}
.gitem .cap b { color: var(--crimson-2); display:block; font-size: 0.68rem; letter-spacing: 0.16em; margin-bottom: 2px; }
.gitem:hover .cap { opacity: 1; transform: translateY(0); }
.g-wide { grid-column: span 2; }
.g-tall { grid-row: span 2; }

/* ===== Process ===== */
.process { background: var(--ink-2); border-top: 1px solid var(--steel-line); border-bottom: 1px solid var(--steel-line); }
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.step { position: relative; padding-top: 20px; }
.step .num { font-family: var(--font-display); font-size: 3rem; color: var(--steel-line); line-height: 1; margin-bottom: 12px; -webkit-text-stroke: 1px #34383f; color: transparent; }
.step h3 { font-size: 1.15rem; margin-bottom: 8px; }
.step p { font-size: 0.9rem; color: var(--steel-2); }
.step .num b { color: var(--crimson-2); -webkit-text-stroke: 0; }

/* ===== 3D banner ===== */
.viz {
  background:
    linear-gradient(90deg, rgba(13,14,16,0.94), rgba(13,14,16,0.55)),
    radial-gradient(80% 120% at 90% 50%, rgba(165,28,28,0.22), transparent 60%),
    url('../img/marble_fireplace.jpg');
  background-size: cover; background-position: center;
}
.viz .container { display: grid; grid-template-columns: 1.3fr 1fr; gap: 40px; align-items: center; }
.viz h2 { font-size: clamp(1.8rem, 4vw, 2.8rem); margin-bottom: 16px; }
.viz .price-card {
  background: rgba(18,20,23,0.85); border: 1px solid var(--steel-line);
  border-radius: var(--radius); padding: 28px; backdrop-filter: blur(6px);
}
.viz .price-card h4 { color: var(--crimson-2); font-size: 0.9rem; letter-spacing: 0.16em; margin-bottom: 14px; }
.viz .price-row { display: flex; justify-content: space-between; align-items: baseline; padding: 12px 0; border-bottom: 1px solid var(--steel-line); }
.viz .price-row:last-child { border-bottom: 0; }
.viz .price-row .label { color: var(--steel); font-size: 0.95rem; }
.viz .price-row .amt { font-family: var(--font-display); color: var(--white); font-size: 1.2rem; }

/* ===== About ===== */
.about .container { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.about-media { position: relative; }
.about-media img { border-radius: var(--radius); border: 1px solid var(--steel-line); }
.about-media .badge {
  position: absolute; bottom: -22px; right: -14px;
  background: var(--crimson); color: #fff; padding: 18px 24px; border-radius: var(--radius);
  font-family: var(--font-display); text-transform: uppercase; letter-spacing: 0.06em; line-height: 1.1;
  box-shadow: 0 16px 40px rgba(0,0,0,0.5);
}
.about-media .badge b { display: block; font-size: 1.9rem; }
.about h2 { margin-bottom: 20px; }
.about p { margin-bottom: 16px; }
.about .values { list-style: none; margin-top: 24px; display: grid; gap: 14px; }
.about .values li { display: flex; gap: 12px; align-items: flex-start; }
.about .values svg { width: 22px; height: 22px; color: var(--crimson-2); flex: none; margin-top: 2px; }
.about .values b { color: var(--white); font-family: var(--font-display); text-transform: uppercase; letter-spacing: 0.04em; font-size: 0.95rem; }

/* ===== Areas ===== */
.areas { text-align: center; }
.areas .chips { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; margin-top: 28px; }
.areas .chip { border: 1px solid var(--steel-line); border-radius: 999px; padding: 8px 20px; font-family: var(--font-display); text-transform: uppercase; letter-spacing: 0.08em; font-size: 0.82rem; color: var(--steel); }

/* ===== CTA / Contact ===== */
.cta {
  background:
    linear-gradient(180deg, rgba(13,14,16,0.9), rgba(13,14,16,0.97)),
    radial-gradient(70% 100% at 50% 0%, rgba(165,28,28,0.2), transparent 60%),
    url('../img/deck_composite.jpg');
  background-size: cover; background-position: center;
  text-align: center;
}
.cta h2 { font-size: clamp(2rem, 5vw, 3.4rem); margin-bottom: 18px; }
.cta .lead { margin: 0 auto 32px; color: var(--cream); }
.cta .hero-cta { justify-content: center; }
.contact-info { display: flex; gap: 40px; justify-content: center; flex-wrap: wrap; margin-top: 46px; }
.contact-info a, .contact-info div { display: flex; align-items: center; gap: 10px; color: var(--steel); font-size: 0.95rem; }
.contact-info svg { width: 20px; height: 20px; color: var(--crimson-2); }
.contact-info a:hover { color: var(--white); }
.social { display: flex; gap: 12px; margin-top: 20px; }
.social a { display: inline-flex; align-items: center; justify-content: center; width: 40px; height: 40px; border: 1px solid var(--steel-line); border-radius: 8px; color: var(--steel); transition: all 0.2s; }
.social a:hover { color: var(--white); border-color: var(--crimson-2); background: var(--crimson); }
.social svg { width: 20px; height: 20px; }

/* ===== Footer ===== */
.footer { background: var(--ink-2); border-top: 1px solid var(--steel-line); padding: 54px 0 28px; }
.footer .container { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 40px; }
.footer img { height: 64px; width: auto; margin-bottom: 16px; }
.footer p { font-size: 0.9rem; color: var(--steel-2); max-width: 34ch; }
.footer h4 { font-size: 0.9rem; letter-spacing: 0.14em; color: var(--steel); margin-bottom: 16px; }
.footer ul { list-style: none; }
.footer ul li { margin-bottom: 10px; }
.footer ul a { font-size: 0.92rem; color: var(--steel-2); transition: color 0.2s; }
.footer ul a:hover { color: var(--white); }
.footer .bottom { grid-column: 1/-1; border-top: 1px solid var(--steel-line); margin-top: 34px; padding-top: 22px; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; font-size: 0.8rem; color: var(--steel-2); }

/* ===== Reveal animation ===== */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity 0.7s var(--ease), transform 0.7s var(--ease); }
.reveal.in { opacity: 1; transform: none; }

/* ===== Responsive ===== */
@media (max-width: 980px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .about .container, .viz .container { grid-template-columns: 1fr; }
  .footer .container { grid-template-columns: 1fr 1fr; }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); grid-auto-rows: 200px; }
  .g-wide { grid-column: span 2; }
  .g-tall { grid-row: span 1; }
}
@media (max-width: 720px) {
  .nav { position: fixed; inset: 0 0 0 auto; width: 78%; max-width: 320px; flex-direction: column; align-items: flex-start; justify-content: center; gap: 26px; background: var(--ink-2); padding: 40px; transform: translateX(100%); transition: transform 0.35s var(--ease); border-left: 1px solid var(--steel-line); }
  .nav.open { transform: none; }
  .nav-toggle { display: block; z-index: 120; }
  .services-grid { grid-template-columns: 1fr; }
  .footer .container { grid-template-columns: 1fr; }
  .hero-meta { gap: 28px; }
}

/* ===== Discovery Page ===== */
.disc-hero {
  position: relative;
  padding: 150px 0 70px;
  overflow: hidden;
  background:
    linear-gradient(180deg, rgba(13,14,16,0.86) 0%, rgba(13,14,16,0.9) 55%, var(--ink) 100%),
    radial-gradient(110% 90% at 75% 15%, rgba(165,28,28,0.20), transparent 55%),
    url('../img/render_bg_1.jpg');
  background-size: cover; background-position: center;
  border-bottom: 1px solid var(--steel-line);
}
.disc-hero::after {
  content:""; position:absolute; inset:0;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.04'/%3E%3C/svg%3E");
  pointer-events:none;
}
.disc-hero .container { position: relative; z-index: 2; max-width: 820px; }
.disc-hero h1 { font-size: clamp(2.2rem, 5.5vw, 3.6rem); color: var(--white); margin-bottom: 18px; }
.disc-hero .lead { color: var(--cream); font-size: 1.15rem; max-width: 62ch; }
.disc-badges { display:flex; flex-wrap:wrap; gap:14px 26px; margin-top:26px; }
.disc-badges span { display:flex; align-items:center; gap:8px; font-family:var(--font-display); text-transform:uppercase; letter-spacing:0.1em; font-size:0.78rem; color:var(--steel); }
.disc-badges svg { width:16px; height:16px; color:var(--crimson-2); }

/* Render preview strip */
.render-strip { background: var(--ink-2); border-bottom:1px solid var(--steel-line); padding: 26px 0; }
.render-strip .container { display:grid; grid-template-columns: 1fr 1fr; gap:16px; }
.render-strip figure { position:relative; border-radius:var(--radius); overflow:hidden; border:1px solid var(--steel-line); }
.render-strip img { width:100%; height:200px; object-fit:cover; }
.render-strip figcaption { position:absolute; left:0; bottom:0; right:0; padding:26px 16px 12px; background:linear-gradient(transparent, rgba(13,14,16,0.9)); font-family:var(--font-display); text-transform:uppercase; letter-spacing:0.08em; font-size:0.8rem; color:var(--white); }
.render-strip figcaption b { display:block; color:var(--crimson-2); font-size:0.66rem; letter-spacing:0.16em; }

/* Form */
.disc-form-wrap { padding: clamp(56px, 8vw, 90px) 0; }
.disc-form { max-width: 860px; margin: 0 auto; }
.fs { background: var(--ink-2); border:1px solid var(--steel-line); border-radius: var(--radius); padding: 30px 28px; margin-bottom: 22px; position:relative; }
.fs > .fs-num { position:absolute; top:-14px; left:24px; background:var(--crimson); color:#fff; font-family:var(--font-display); font-size:0.82rem; letter-spacing:0.1em; padding:4px 12px; border-radius:3px; }
.fs h3 { font-size:1.25rem; margin:6px 0 4px; }
.fs .fs-hint { font-size:0.88rem; color:var(--steel-2); margin-bottom:18px; }
.grid-2 { display:grid; grid-template-columns:1fr 1fr; gap:16px; }
.grid-3 { display:grid; grid-template-columns:repeat(3,1fr); gap:16px; }
.field { margin-bottom:16px; }
.field:last-child { margin-bottom:0; }
.field label { display:block; font-family:var(--font-display); text-transform:uppercase; letter-spacing:0.08em; font-size:0.76rem; color:var(--steel); margin-bottom:7px; }
.field label .req { color:var(--crimson-2); }
.field input[type=text], .field input[type=email], .field input[type=tel], .field input[type=date], .field input[type=number], .field select, .field textarea {
  width:100%; background:var(--ink); border:1px solid var(--steel-line); border-radius:var(--radius);
  color:var(--cream); font-family:var(--font-body); font-size:0.98rem; padding:12px 14px; transition:border-color 0.2s, box-shadow 0.2s;
}
.field textarea { min-height:110px; resize:vertical; }
.field input:focus, .field select:focus, .field textarea:focus { outline:none; border-color:var(--crimson-2); box-shadow:0 0 0 3px rgba(165,28,28,0.18); }
.field select { appearance:none; background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' fill='none' stroke='%237e838b' stroke-width='2'%3E%3Cpath d='M1 1l5 5 5-5'/%3E%3C/svg%3E"); background-repeat:no-repeat; background-position:right 14px center; padding-right:36px; }
.checks { display:grid; grid-template-columns:repeat(2,1fr); gap:10px 20px; }
@media(max-width:620px){ .checks{grid-template-columns:1fr;} }
.chk { display:flex; align-items:flex-start; gap:10px; font-size:0.94rem; color:var(--steel); cursor:pointer; }
.chk input { margin-top:3px; width:17px; height:17px; accent-color:var(--crimson); flex:none; }
.radio-row { display:flex; flex-wrap:wrap; gap:10px 22px; }
.radio-row label { display:flex; align-items:center; gap:8px; font-family:var(--font-body); text-transform:none; letter-spacing:0; font-size:0.94rem; color:var(--steel); cursor:pointer; margin:0; }
.radio-row input { width:17px; height:17px; accent-color:var(--crimson); }

/* 3D pricing card in form */
.render-opt { background:var(--ink-3); border:1px solid var(--steel-line); border-left:3px solid var(--crimson); border-radius:var(--radius); padding:18px 20px; margin-top:16px; }
.render-opt .price-line { display:flex; justify-content:space-between; align-items:baseline; padding:8px 0; border-bottom:1px solid var(--steel-line); font-size:0.95rem; color:var(--steel); }
.render-opt .price-line:last-child { border-bottom:0; }
.render-opt .price-line .amt { font-family:var(--font-display); color:var(--white); font-size:1.1rem; }
.render-opt .note { font-size:0.82rem; color:var(--steel-2); margin-top:8px; }

.form-submit { text-align:center; margin-top:10px; }
.form-submit .btn { padding:17px 46px; font-size:1rem; }
.form-note { font-size:0.84rem; color:var(--steel-2); text-align:center; margin-top:16px; }
.form-note a { color:var(--crimson-2); }

.form-status { display:none; text-align:center; padding:60px 24px; }
.form-status.show { display:block; }
.form-status svg { width:64px; height:64px; color:var(--crimson-2); margin:0 auto 20px; }
.form-status h2 { font-size:2rem; margin-bottom:12px; }
.form-status p { color:var(--steel-2); max-width:48ch; margin:0 auto 8px; }
.err-msg { color:var(--crimson-2); font-size:0.85rem; margin-top:6px; display:none; }
.field.invalid input, .field.invalid select, .field.invalid textarea { border-color:var(--crimson-2); }

.back-link { display:inline-flex; align-items:center; gap:8px; color:var(--steel-2); font-family:var(--font-display); text-transform:uppercase; letter-spacing:0.1em; font-size:0.8rem; margin-bottom:22px; }
.back-link:hover { color:var(--white); }
.back-link svg { width:16px; height:16px; }

@media(max-width:680px){ .grid-2,.grid-3{grid-template-columns:1fr;} .render-strip .container{grid-template-columns:1fr;} }

/* ---- Promo video ---- */
.promo-video { background: var(--ink); }
.promo-frame {
  position: relative;
  max-width: 980px;
  margin: 40px auto 0;
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid var(--steel-line);
  box-shadow: 0 30px 80px rgba(0,0,0,0.55);
  background: #000;
  aspect-ratio: 16 / 9;
}
.promo-frame video {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
}
.promo-sound {
  position: absolute;
  bottom: 16px;
  right: 16px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 14px;
  border: 1px solid rgba(255,255,255,0.22);
  background: rgba(13,14,16,0.68);
  backdrop-filter: blur(6px);
  color: var(--white);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  border-radius: 999px;
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s, transform 0.2s;
}
.promo-sound:hover { background: var(--crimson); border-color: var(--crimson); transform: translateY(-1px); }
.promo-sound svg { width: 18px; height: 18px; flex-shrink: 0; }
.promo-sound .ic-sound { display: none; }
.promo-frame.sound-on .promo-sound .ic-muted { display: none; }
.promo-frame.sound-on .promo-sound .ic-sound { display: block; }
@media (max-width: 640px) {
  .promo-frame { margin-top: 28px; border-radius: 10px; }
  .promo-sound span { display: none; }
  .promo-sound { padding: 10px; }
}