/* SteelPro Studio: design preview. Same tokens as the steel site; the arm
   gets its character from layout and imagery, not a second palette. */

:root {
  --ink: #0b0d10;
  --charcoal: #14171b;
  --panel: #1b1f24;
  --line: #2a2e34;
  --paper: #f4f4f2;
  --muted: #9aa0a8;
  --accent: #fdcf08;
  --on-accent: #0b0d10;
  --font-display: "Oswald", "Arial Narrow", sans-serif;
  --font-body: "Source Sans 3", "Segoe UI", sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, monospace;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.6;
  overflow-x: hidden;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
h1, h2, h3 { font-family: var(--font-display); font-weight: 600; line-height: 1.05; margin: 0; letter-spacing: 0.01em; }
p { margin: 0; }
.mono { font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.08em; text-transform: uppercase; }
.accent { color: var(--accent); }
.link-accent { color: var(--accent); border-bottom: 1px solid transparent; }
.link-accent:hover { border-bottom-color: var(--accent); }
.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.wrap { width: 100%; max-width: 1200px; margin-inline: auto; padding-inline: 24px; }

.eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 18px;
}

.preview-bar {
  background: var(--accent);
  color: var(--on-accent);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-align: center;
  padding: 6px 16px;
}

/* ---------- header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 20;
  background: rgba(11, 13, 16, 0.86);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.logo-img { height: 38px; width: auto; }
.main-nav { display: flex; align-items: center; gap: 28px; font-family: var(--font-display); font-size: 14px; letter-spacing: 0.08em; }
.main-nav a { color: var(--muted); transition: color 150ms; }
.main-nav a:hover { color: var(--paper); }
.main-nav .nav-crossover { color: var(--accent); padding-left: 28px; border-left: 1px solid var(--line); }

/* ---------- hero ---------- */
.hero {
  position: relative;
  min-height: min(88vh, 860px);
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  isolation: isolate;
}
.hero-img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: 40% 50%; z-index: -2; }
.hero-shade {
  position: absolute; inset: 0; z-index: -1;
  background:
    linear-gradient(90deg, rgba(11,13,16,0.92) 0%, rgba(11,13,16,0.65) 38%, rgba(11,13,16,0) 70%),
    linear-gradient(0deg, rgba(11,13,16,0.9) 0%, rgba(11,13,16,0) 40%);
}
.hero-copy { padding-block: 120px 96px; }
.hero h1 { font-size: clamp(52px, 8.4vw, 116px); text-transform: uppercase; max-width: 9ch; }
.hero .lede { max-width: 470px; margin-top: 26px; font-size: 19px; color: #d6d8db; }
.hero-actions { display: flex; gap: 14px; margin-top: 36px; flex-wrap: wrap; }
.hero-caption { position: absolute; right: 24px; bottom: 28px; color: rgba(244,244,242,0.7); }

.btn {
  display: inline-flex; align-items: center;
  height: 50px; padding: 0 26px;
  font-family: var(--font-display); font-size: 15px; letter-spacing: 0.08em; text-transform: uppercase;
  border: 1px solid var(--accent);
  transition: background 150ms, color 150ms, transform 150ms;
}
.btn-primary { background: var(--accent); color: var(--on-accent); }
.btn-primary:hover { transform: translateY(-2px); }
.btn-ghost { color: var(--paper); border-color: rgba(244,244,242,0.4); }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }

/* ---------- statement ---------- */
.statement { border-bottom: 1px solid var(--line); }
.statement-inner { display: grid; grid-template-columns: 1.3fr 1fr; gap: 64px; padding-block: 96px; align-items: end; }
.statement-text { font-family: var(--font-display); font-size: clamp(28px, 3.4vw, 42px); line-height: 1.18; font-weight: 500; }
.facts { margin: 0; display: grid; gap: 20px; }
.facts div { border-top: 1px solid var(--line); padding-top: 14px; display: grid; grid-template-columns: 110px 1fr; gap: 16px; }
.facts dt { color: var(--accent); padding-top: 4px; }
.facts dd { margin: 0; color: #c9ccd0; }

/* ---------- section heads ---------- */
.section-head { max-width: 640px; margin-bottom: 52px; }
.section-head h2, .soviet h2, .exploded h2, .cta h2 { font-size: clamp(36px, 4.6vw, 60px); text-transform: uppercase; }
.section-lede { margin-top: 18px; color: var(--muted); }

/* ---------- concepts ---------- */
.concepts { padding-block: 112px; }
.concept-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.concept {
  background: var(--panel);
  border: 1px solid var(--line);
  display: flex; flex-direction: column;
  transition: transform 200ms, border-color 200ms;
}
.concept:hover { transform: translateY(-4px); border-color: #3a3f46; }
.concept-feature { grid-column: span 2; grid-row: span 2; }
.concept-feature img { width: 100%; flex: 1; object-fit: cover; min-height: 320px; }
.concept-body { padding: 22px 24px 26px; }
.concept-body h3 { font-size: 24px; text-transform: uppercase; margin: 8px 0 8px; }
.concept-body p:not(.concept-no) { color: var(--muted); font-size: 15px; }
.concept-no { color: var(--muted); }
.concept-feature .concept-no { color: var(--accent); }
.concept-feature .concept-body h3 { font-size: 32px; }
.concept-draw {
  width: 100%; height: auto; aspect-ratio: 16 / 10;
  background:
    linear-gradient(var(--line) 1px, transparent 1px) 0 0 / 20px 20px,
    linear-gradient(90deg, var(--line) 1px, transparent 1px) 0 0 / 20px 20px,
    var(--charcoal);
  background-blend-mode: normal;
  border-bottom: 1px solid var(--line);
  fill: none;
  stroke: #c9ccd0;
  stroke-width: 2.4;
  stroke-linecap: square;
  opacity: 0.9;
}
.concept-draw .thin { stroke-width: 1.2; stroke: #6c727a; }
.concept-draw .accent-stroke { stroke: var(--accent); stroke-width: 4; }
.concept-pending:hover .concept-draw { stroke: var(--accent); }
.concept-link { border-color: rgba(234,179,8,0.35); }

/* ---------- soviet flat ---------- */
.soviet { background: var(--charcoal); border-block: 1px solid var(--line); padding-block: 112px; }
.soviet-inner { display: grid; grid-template-columns: 1fr 1.25fr; gap: 72px; align-items: center; }
.soviet-copy p:not(.eyebrow) { color: #c9ccd0; margin-top: 18px; }
.soviet-copy h2 { margin-bottom: 8px; }
.note { color: var(--muted) !important; margin-top: 26px !important; }

.compare { margin: 0; }
.compare-stage { position: relative; aspect-ratio: 4 / 3; background: var(--ink); border: 1px solid var(--line); overflow: hidden; user-select: none; }
.plan { position: absolute; inset: 0; width: 100%; height: 100%; padding: 22px; }
.plan-after-clip { position: absolute; inset: 0; clip-path: inset(0 0 0 50%); background: var(--ink); }
.plan .wall { fill: none; stroke: #e4e5e7; stroke-width: 6; stroke-linecap: square; }
.plan .steel { fill: none; stroke: var(--accent); stroke-width: 4; }
.plan .mullion { stroke: var(--accent); stroke-width: 2; }
.plan .window { fill: #5aa7d6; opacity: 0.8; }
.plan .door { fill: none; stroke: #6c727a; stroke-width: 1.5; }
.plan .lbl { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.1em; fill: #9aa0a8; text-anchor: middle; }
.plan .lbl-s { font-size: 9px; }
.plan .shade { fill: #000; opacity: 0.55; }
.plan .light { fill: var(--accent); opacity: 0.12; }
.compare-handle { position: absolute; top: 0; bottom: 0; left: 50%; width: 2px; background: var(--accent); transform: translateX(-1px); pointer-events: none; }
.compare-handle span { position: absolute; top: 50%; left: 50%; width: 38px; height: 38px; transform: translate(-50%, -50%); border-radius: 50%; background: var(--accent); box-shadow: 0 4px 18px rgba(0,0,0,0.5); }
.compare-handle span::before { content: "‹ ›"; position: absolute; inset: 0; display: grid; place-items: center; color: var(--on-accent); font-weight: 700; font-size: 16px; letter-spacing: 2px; }
.compare-tag { position: absolute; top: 14px; padding: 4px 8px; background: rgba(11,13,16,0.85); border: 1px solid var(--line); color: var(--muted); }
.tag-before { left: 14px; }
.tag-after { right: 14px; color: var(--accent); }
.compare-range { position: relative; width: 100%; margin: -1px 0 0; height: 0; opacity: 0; }
.compare-stage { cursor: ew-resize; }
.compare figcaption { margin-top: 16px; color: var(--muted); }

/* ---------- exploded ---------- */
.exploded { padding-block: 112px; }
.exploded-inner { display: grid; grid-template-columns: 1.2fr 1fr; gap: 72px; align-items: center; }
.exploded-copy p:not(.eyebrow) { color: #c9ccd0; margin-top: 18px; }
.explode-draw { width: 100%; height: auto; }
.explode-draw .iso { fill: #23282e; stroke: #8b9199; stroke-width: 1.2; }
.explode-draw .iso-side { fill: #15181c; stroke: #8b9199; stroke-width: 1.2; }
.explode-draw .frame { fill: none; stroke: #e4e5e7; stroke-width: 3; stroke-linejoin: round; }
.explode-draw .glass { fill: none; stroke: #5aa7d6; stroke-width: 1.2; }
.explode-draw .glass-fill { fill: #5aa7d6; opacity: 0.14; stroke: #5aa7d6; stroke-width: 1.2; }
.explode-draw .bead { stroke: var(--accent); stroke-width: 3; }
.explode-draw .lead { stroke: #6c727a; stroke-width: 1; stroke-dasharray: 3 3; }
.explode-draw .cap { font-family: var(--font-mono); font-size: 13px; letter-spacing: 0.08em; fill: var(--accent); }

/* ---------- process ---------- */
.process { background: var(--charcoal); border-block: 1px solid var(--line); padding-block: 112px; }
.steps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(5, 1fr); counter-reset: s; }
.steps li { border-top: 2px solid var(--line); padding: 22px 22px 0 0; position: relative; }
.steps li::before { content: ""; position: absolute; top: -2px; left: 0; width: 36px; height: 2px; background: var(--accent); }
.step-no { color: var(--accent); }
.steps h3 { font-size: 26px; text-transform: uppercase; margin: 12px 0 10px; }
.steps p { color: var(--muted); font-size: 15px; }

/* ---------- cta / crossover / footer ---------- */
.cta { padding-block: 128px; text-align: center; }
.cta-inner { max-width: 760px; }
.cta p { color: #c9ccd0; margin-top: 18px; font-size: 19px; }
.contact-lines { display: flex; justify-content: center; gap: 14px; flex-wrap: wrap; font-family: var(--font-display); font-size: 22px !important; letter-spacing: 0.04em; margin-top: 30px !important; }
.crossover { border-top: 1px solid var(--line); background: var(--charcoal); }
.crossover-inner { display: flex; justify-content: space-between; align-items: center; padding-block: 28px; gap: 16px; flex-wrap: wrap; color: var(--muted); }
.crossover-link { font-family: var(--font-display); letter-spacing: 0.08em; text-transform: uppercase; color: var(--accent); }
.site-footer { border-top: 1px solid var(--line); padding-block: 32px; color: var(--muted); font-size: 14px; }
.footer-inner { display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; }
.logo-img-footer { height: 30px; }

/* ---------- responsive ---------- */
@media (max-width: 960px) {
  .main-nav a:not(.nav-crossover) { display: none; }
  .main-nav .nav-crossover { border: 0; padding: 0; }
  .statement-inner, .soviet-inner, .exploded-inner { grid-template-columns: 1fr; gap: 48px; }
  .concept-grid { grid-template-columns: 1fr 1fr; }
  .steps { grid-template-columns: 1fr 1fr; gap: 32px 20px; }
}
@media (max-width: 600px) {
  body { font-size: 16px; }
  .wrap { padding-inline: 16px; }
  .hero { min-height: 92vh; }
  .hero-img { object-position: 62% 50%; }
  .hero-shade { background: linear-gradient(0deg, rgba(11,13,16,0.96) 0%, rgba(11,13,16,0.75) 45%, rgba(11,13,16,0.2) 100%); }
  .hero-copy { padding-block: 80px 72px; }
  .hero-caption { left: 16px; right: auto; bottom: 20px; font-size: 10px; }
  .concept-grid { grid-template-columns: 1fr; }
  .concept-feature { grid-column: auto; grid-row: auto; }
  .steps { grid-template-columns: 1fr; }
  .facts div { grid-template-columns: 1fr; gap: 4px; }
  .concepts, .soviet, .exploded, .process { padding-block: 80px; }
  .statement-inner { padding-block: 72px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}
.explode-draw .bead { fill: none; stroke: var(--accent); stroke-width: 3; }
.explode-draw .align { stroke: #3a3f46; stroke-width: 1; stroke-dasharray: 2 4; }
.plan .light { opacity: 0.16; }

/* ---------- soviet flat v2: render compare + static plan ---------- */
.soviet .compare-stage { aspect-ratio: 16 / 9; }
.cmp-img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; pointer-events: none; }
.soviet .compare { margin-bottom: 72px; }
.soviet-inner { grid-template-columns: 1fr 1fr; align-items: start; }
.soviet-copy p:first-child { margin-top: 0; }
.plan-fig { margin: 0; background: var(--ink); border: 1px solid var(--line); padding: 20px; }
.plan-static { width: 100%; height: auto; }
.plan-static .wall { fill: none; stroke: #e4e5e7; stroke-width: 5; stroke-linecap: square; }
.plan-static .room-other { fill: #15181c; }
.plan-static .hatch { fill: #101215; }
.plan-static .window { fill: #5aa7d6; opacity: 0.8; }
.plan-static .steel { fill: none; stroke: var(--accent); stroke-width: 4; }
.plan-static .steel-door { fill: none; stroke: var(--accent); stroke-width: 2; }
.plan-static .route-old { fill: none; stroke: #8b9199; stroke-width: 1.6; stroke-dasharray: 5 5; }
.plan-static .route-new { fill: none; stroke: var(--accent); stroke-width: 1.6; stroke-dasharray: 2 4; }
.plan-static .lbl { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.1em; fill: #9aa0a8; text-anchor: middle; }
.plan-static .lbl-s { font-size: 9px; }
.plan-fig figcaption { margin-top: 14px; color: var(--muted); }
.legend-old, .legend-new { display: inline-block; width: 22px; height: 0; border-top: 2px dashed #8b9199; vertical-align: middle; margin-right: 6px; }
.legend-new { border-top: 2px dotted var(--accent); }
@media (max-width: 960px) { .soviet-inner { grid-template-columns: 1fr; } }


/* ---------- process steps: plays once when the section scrolls into view ----------
   The track fills left to right; as it reaches each step, the icon draws itself,
   the number lights up and the text rises in. studio.js adds .is-in. */
.steps li::before { width: 0; transition: width 520ms cubic-bezier(.4, 0, .2, 1); }
.step-ico { display: block; width: 52px; height: 52px; margin: 6px 0 4px; fill: none; stroke: var(--muted);
  stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
.step-ico * { stroke-dasharray: 160; stroke-dashoffset: 160; transition: stroke-dashoffset 900ms cubic-bezier(.4, 0, .2, 1), stroke 400ms; }
.step-no { color: var(--muted); transition: color 300ms; }
.steps h3, .steps p { opacity: 0; transform: translateY(14px); transition: opacity 500ms ease, transform 600ms cubic-bezier(.2, .7, .2, 1); }

.steps.is-in li::before { width: 100%; }
.steps.is-in .step-ico { stroke: var(--accent); }
.steps.is-in .step-ico * { stroke-dashoffset: 0; }
.steps.is-in .step-no { color: var(--accent); }
.steps.is-in h3, .steps.is-in p { opacity: 1; transform: none; }

/* stagger: each step starts as the track arrives */
.steps li:nth-child(1) { --d: 0ms; }   .steps li:nth-child(2) { --d: 480ms; }
.steps li:nth-child(3) { --d: 960ms; } .steps li:nth-child(4) { --d: 1440ms; }
.steps li:nth-child(5) { --d: 1920ms; }
.steps li::before { transition-delay: var(--d); }
.steps li .step-ico, .steps li .step-ico *, .steps li .step-no { transition-delay: calc(var(--d) + 200ms); }
.steps li h3 { transition-delay: calc(var(--d) + 320ms); }
.steps li p { transition-delay: calc(var(--d) + 420ms); }
/* the Steel step gets a beat of emphasis: it's the one only we can do */
.steps.is-in li:nth-child(4) .step-ico { animation: step-pulse 900ms ease 2.2s 1 both; }
@keyframes step-pulse { 0%, 100% { transform: scale(1); } 40% { transform: scale(1.14); } }

@media (prefers-reduced-motion: reduce) {
  .steps li::before { width: 100%; transition: none; }
  .step-ico { stroke: var(--accent); }
  .step-ico * { stroke-dashoffset: 0; transition: none; }
  .step-no { color: var(--accent); }
  .steps h3, .steps p { opacity: 1; transform: none; transition: none; }
  .steps.is-in li:nth-child(4) .step-ico { animation: none; }
}


/* ---------- concept drawings: axonometric line art that draws itself in ---------- */
.concept-draw.axo { stroke: none; opacity: 1; }
.axo path { fill: none; stroke-linecap: round; stroke-linejoin: round;
  stroke-dasharray: 1; stroke-dashoffset: 1; transition: stroke-dashoffset 1600ms cubic-bezier(.4, 0, .2, 1); }
.axo .room { stroke: #5d636b; stroke-width: 1; }
.axo .wood { stroke: #c9ccd0; stroke-width: 1; transition-delay: calc(var(--cd, 0ms) + 400ms); }
.axo .steel { stroke: var(--accent); stroke-width: 1.6; transition-delay: calc(var(--cd, 0ms) + 800ms); }
.axo .room { transition-delay: var(--cd, 0ms); }
.concept-grid.is-in .axo path { stroke-dashoffset: 0; }
.concept-grid article:nth-child(2) { --cd: 0ms; }   .concept-grid article:nth-child(3) { --cd: 250ms; }
.concept-grid article:nth-child(4) { --cd: 500ms; } .concept-grid article:nth-child(5) { --cd: 750ms; }
.concept-pending:hover .axo .steel { stroke-width: 2.2; }
@media (prefers-reduced-motion: reduce) { .axo path { stroke-dashoffset: 0; transition: none; } }
.concept-thumb { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; border-bottom: 1px solid var(--line); }

/* ---------- services: the indexable "what we design" list ---------- */
.services { padding-block: 112px; border-bottom: 1px solid var(--line); }
.service-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.service { background: var(--panel); border: 1px solid var(--line); border-top: 2px solid var(--accent); padding: 26px 24px 28px; display: flex; flex-direction: column; gap: 12px; }
.service h3 { font-size: 24px; text-transform: uppercase; }
.service p { color: var(--muted); font-size: 15px; }
.service .service-tags { color: #c9ccd0; margin-top: auto; padding-top: 8px; font-size: 11px; }
@media (max-width: 960px) { .service-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 600px) { .service-grid { grid-template-columns: 1fr; } .services { padding-block: 80px; } }

/* ---------- language switch + Georgian (/ka/) ---------- */
.main-nav .nav-lang { font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.1em; color: var(--muted); border: 1px solid var(--line); padding: 5px 8px; }
.main-nav .nav-lang:hover { color: var(--accent); border-color: var(--accent); }
@media (max-width: 960px) { .main-nav a.nav-lang { display: inline-block; } }

/* Oswald and Plex have no Georgian glyphs, and Georgian has no capitals: swap the faces, drop uppercase, size down. */
:lang(ka) {
  --font-display: "Noto Sans Georgian", "Sylfaen", "BPG Arial", "Oswald", sans-serif;
  --font-body: "Noto Sans Georgian", "Sylfaen", "BPG Arial", "Source Sans 3", sans-serif;
  --font-mono: "Noto Sans Georgian", "IBM Plex Mono", monospace;
}
:lang(ka) * { text-transform: none !important; }
:lang(ka) h1, :lang(ka) h2, :lang(ka) h3 { letter-spacing: 0; line-height: 1.2; }
:lang(ka) .hero h1 { font-size: clamp(38px, 5.6vw, 76px); max-width: none; }
:lang(ka) .section-head h2, :lang(ka) .exploded h2, :lang(ka) .cta h2 { font-size: clamp(28px, 3.4vw, 44px); }
:lang(ka) .statement-text { font-size: clamp(22px, 2.5vw, 32px); line-height: 1.4; }
:lang(ka) .service h3, :lang(ka) .steps h3 { font-size: 20px; }
:lang(ka) .mono, :lang(ka) .main-nav { letter-spacing: 0.02em; }
:lang(ka) .explode-draw .cap { font-size: 12px; letter-spacing: 0; }
:lang(ka) .main-nav .nav-lang { font-family: "IBM Plex Mono", monospace; }

/* ---------- service pages (/glass-partitions, /steel-stairs, /mezzanines, /steel-shelving) ---------- */
.svc-hero { border-bottom: 1px solid var(--line); }
.svc-hero-inner { display: grid; grid-template-columns: 1fr 1.05fr; gap: 64px; align-items: center; padding-block: 72px 96px; }
.svc-hero h1 { font-size: clamp(44px, 5.6vw, 84px); text-transform: uppercase; }
.svc-hero .lede { margin-top: 24px; font-size: 19px; color: #d6d8db; max-width: 520px; }
.crumbs { display: flex; gap: 10px; color: var(--muted); margin-bottom: 28px; }
.crumbs a:hover { color: var(--accent); }
.crumbs [aria-current] { color: #c9ccd0; }
.svc-fig { margin: 0; background: var(--panel); border: 1px solid var(--line); }
.svc-fig img { width: 100%; height: auto; aspect-ratio: 3 / 2; object-fit: cover; }
.svc-fig .concept-draw { border-bottom: 1px solid var(--line); }
.svc-fig figcaption { padding: 14px 18px; color: var(--muted); }
.svc-fig-wide { margin: 64px auto 0; max-width: 860px; }
.svc-exploded { padding: 24px 24px 0; }
.svc-exploded .explode-draw { display: block; max-width: 760px; margin-inline: auto; }
.svc-exploded figcaption { padding-inline: 0; }
.svc-grid-3 { grid-template-columns: repeat(3, 1fr); }
.svc-grid-2 { grid-template-columns: repeat(2, 1fr); margin-top: 8px; }
.svc-spec { padding-block: 112px; border-bottom: 1px solid var(--line); }
.svc-spec-inner { display: grid; grid-template-columns: 1fr 1.1fr; gap: 72px; align-items: start; }
.svc-spec .section-head { margin-bottom: 0; }
.svc-steel { background: var(--charcoal); border-bottom: 1px solid var(--line); }
.svc-steel-inner { display: grid; grid-template-columns: 1fr 1.1fr; gap: 48px; align-items: center; padding-block: 56px; }
.svc-steel-text { font-family: var(--font-display); font-size: 24px; line-height: 1.3; }
.steel-links { display: flex; flex-wrap: wrap; gap: 10px; }
.steel-links a { border: 1px solid var(--line); padding: 10px 14px; color: #c9ccd0; transition: border-color 150ms, color 150ms; }
.steel-links a:hover { border-color: var(--accent); color: var(--accent); }
.svc-faq { padding-block: 112px; border-bottom: 1px solid var(--line); }
.svc-faq-inner { display: grid; grid-template-columns: 1fr 1.6fr; gap: 72px; align-items: start; }
.faq-list details { border-top: 1px solid var(--line); }
.faq-list details:last-child { border-bottom: 1px solid var(--line); }
.faq-list summary { cursor: pointer; list-style: none; padding: 20px 40px 20px 0; position: relative;
  font-family: var(--font-display); font-size: 21px; letter-spacing: 0.01em; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { content: "+"; position: absolute; right: 4px; top: 16px; color: var(--accent); font-size: 26px; transition: transform 200ms; }
.faq-list details[open] summary::after { transform: rotate(45deg); }
.faq-list summary:hover { color: var(--accent); }
.faq-list details p { color: #c9ccd0; padding: 0 40px 22px 0; max-width: 64ch; }
.svc-related { padding-block: 72px 96px; border-top: 1px solid var(--line); }
.service-link { transition: transform 200ms, border-color 200ms; }
.service-link:hover { transform: translateY(-4px); }
.service-link .link-accent { margin-top: auto; padding-top: 8px; }
.service-more { margin-top: 4px; font-size: 11px; align-self: flex-start; }
.svc-page .cta { padding-block: 112px; }
.draw-on-view.is-in .axo path { stroke-dashoffset: 0; }
@media (max-width: 960px) {
  .svc-hero-inner, .svc-spec-inner, .svc-steel-inner, .svc-faq-inner { grid-template-columns: 1fr; gap: 40px; }
  .svc-grid-3 { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 600px) {
  .svc-hero-inner { padding-block: 40px 64px; }
  .svc-grid-3, .svc-grid-2 { grid-template-columns: 1fr; }
  .svc-spec, .svc-faq { padding-block: 80px; }
  .faq-list summary { font-size: 18px; }
  .svc-exploded { padding: 12px 8px 0; }
}
:lang(ka) .svc-hero h1 { font-size: clamp(32px, 4vw, 56px); }
:lang(ka) .svc-steel-text { font-size: 20px; line-height: 1.45; }
:lang(ka) .faq-list summary { font-size: 18px; }

/* ---------- theme toggle (header stays dark in both themes) ---------- */
.theme-toggle { display: inline-flex; align-items: center; justify-content: center; width: 32px; height: 32px; padding: 0;
  border: 1px solid var(--line); border-radius: 999px; background: transparent; color: var(--paper); cursor: pointer; }
.theme-toggle:hover { border-color: var(--accent); }
.theme-toggle svg { width: 16px; height: 16px; }
.theme-toggle .icon-moon { display: none; }
[data-theme="light"] .theme-toggle .icon-sun { display: none; }
[data-theme="light"] .theme-toggle .icon-moon { display: block; }
.main-nav .theme-toggle { color: var(--paper); }

/* ---------- light theme: steel-site palette; header and footer stay dark for the logo ---------- */
[data-theme="light"] {
  --ink: #e4e0d8; --charcoal: #d9d4ca; --panel: #eeebe5; --line: #c6c0b4;
  --paper: #16181c; --muted: #5b5f66; --accent: #92400e; --on-accent: #ffffff;
}
[data-theme="light"] .site-header, [data-theme="light"] .site-footer {
  --ink: #0b0d10; --charcoal: #14171b; --panel: #1b1f24; --line: #2a2e34;
  --paper: #f4f4f2; --muted: #9aa0a8; --accent: #fdcf08; --on-accent: #0b0d10;
  color: var(--paper);
}
[data-theme="light"] .site-footer { background: var(--ink); }
/* Light mode: photo stays fully visible; small text sits on frosted stone chips instead of a wash. */
[data-theme="light"] .hero-shade { background: linear-gradient(0deg, rgba(228,224,216,.55) 0%, rgba(228,224,216,0) 30%); }
[data-theme="light"] .hero .eyebrow, [data-theme="light"] .hero-caption {
  width: fit-content; padding: 8px 12px;
  background: rgba(232,228,220,.78);
  -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px);
  border: 1px solid rgba(255,255,255,.4);
}
[data-theme="light"] .hero-img { filter: brightness(.95); }
[data-theme="light"] .hero-caption { color: rgba(22,24,28,.7); }
[data-theme="light"] .eyebrow { color: #92400e; }
[data-theme="light"] .hero .lede, [data-theme="light"] .cta p { color: #33373d; }
[data-theme="light"] .btn-ghost { border-color: rgba(22,24,28,.4); }
@media (max-width: 760px) {
  [data-theme="light"] .hero-shade { background: linear-gradient(0deg, rgba(228,224,216,.6) 0%, rgba(228,224,216,0) 40%); }
}