/* ============================================================
   VOLUME3D — teenage.engineering-inspired
   light / grid / lowercase / mono labels / orange accent
   ============================================================ */

:root {
  --paper:      #f1ece1;   /* lighter warm beige base */
  --panel:      #f8f5ee;   /* cream surface */
  --panel-2:    #e0dbcf;   /* warm gray surface */
  --ink:        #24221d;   /* dark warm charcoal text */
  --muted:      #6d685f;   /* warm gray */
  --faint:      #9b968b;
  --line:       #cec8ba;   /* beige-gray borders */
  --line-2:     #2a2721;   /* strong dark hairline */
  --accent:     #f5c211;   /* bright yellow — fills / points */
  --accent-deep:#c8981e;   /* brighter gold — accent text on light bg */
  --accent-2:   #000000;
  --hover:      #000000;   /* black hover state */

  --maxw: 1280px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --sans: "Pretendard", system-ui, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, "SFMono-Regular", monospace;
}

*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px; line-height: 1.55; letter-spacing: -0.01em;
  overflow-x: hidden; -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; padding: 0; }
button, input, select, textarea { font: inherit; color: inherit; }

/* shared page frame with visible grid lines */
.grid-line, .section { width: min(100%, var(--maxw)); margin-inline: auto; }
.section { border-inline: 1px solid var(--line); }
.grid-line { border-inline: 1px solid var(--line); }

/* mono label helper */
.tag, .sec-no, .obj__code, .obj__spec, .prod__tag, .hero__index, .spec__cell span,
.mod__no, .step__no, .foot__copy, .menu a, .lnk, .price {
  font-family: var(--mono);
}

/* ---------- Chips / buttons ---------- */
.chip {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 11px 18px; font-size: .82rem; font-weight: 600;
  border: 1px solid var(--line-2); background: transparent; color: var(--ink);
  border-radius: 2px; cursor: pointer; white-space: nowrap;
  transition: background .2s, color .2s, transform .2s var(--ease);
}
.chip:hover { background: var(--ink); color: var(--paper); }
.chip:active { transform: translateY(1px); }
.chip--accent { background: var(--accent); border-color: var(--accent-deep); color: #1a1400; }
.chip--accent:hover { background: #ffdb52; border-color: #ffdb52; color: #1a1400; }
.chip--lg { padding: 14px 24px; font-size: .9rem; }
.chip--sm { padding: 7px 12px; font-size: .74rem; }
.chip--block { width: 100%; justify-content: center; padding: 15px; font-size: .9rem; }

/* ---------- Header ---------- */
.top {
  position: sticky; top: 0; z-index: 100; background: var(--paper);
  border-bottom: 1px solid var(--line);
}
.top__inner {
  display: flex; align-items: center; gap: 20px; height: 66px;
  padding-inline: 22px; border-block: 0;
}
.logo { display: flex; flex-direction: column; line-height: 1; }
.logo__mark { font-size: 1.32rem; font-weight: 800; letter-spacing: -0.03em; }
.logo__dot { color: var(--accent-deep); }
.logo__sub { font-family: var(--mono); font-size: .56rem; letter-spacing: .04em; color: var(--muted); margin-top: 4px; }

.menu { display: flex; gap: 26px; margin-left: auto; }
.menu a { font-size: .82rem; color: var(--muted); position: relative; padding: 3px 0; transition: color .2s; }
.menu a::after { content: ""; position: absolute; left: 0; bottom: -1px; width: 0; height: 1.5px; background: var(--accent); transition: width .28s var(--ease); }
.menu a:hover { color: var(--ink); }
.menu a:hover::after { width: 100%; }
.menu__mobile { display: none; }

.top__cta { display: flex; align-items: center; gap: 14px; }
.lnk { font-size: .78rem; color: var(--muted); transition: color .2s; }
.lnk:hover { color: var(--accent-deep); }

.burger { display: none; flex-direction: column; gap: 5px; background: none; border: 0; padding: 8px; cursor: pointer; }
.burger span { width: 22px; height: 2px; background: var(--ink); transition: transform .3s, opacity .3s; }
.burger.is-open span:nth-child(1) { transform: translateY(3.5px) rotate(45deg); }
.burger.is-open span:nth-child(2) { transform: translateY(-3.5px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  display: grid; grid-template-columns: 1.15fr .85fr;
  border-bottom: 1px solid var(--line);
}
.hero__copy { padding: clamp(34px, 6vw, 68px) 22px; display: flex; flex-direction: column; }
.tag {
  font-size: .72rem; color: var(--muted); letter-spacing: .02em;
  border: 1px solid var(--line); border-radius: 999px; padding: 6px 14px; align-self: flex-start;
}
.tag::before { content: "● "; color: var(--accent-deep); font-size: .6em; vertical-align: middle; }
.hero__title {
  font-size: clamp(2.8rem, 8vw, 6rem); line-height: .96; font-weight: 800;
  letter-spacing: -0.045em; margin: 26px 0 20px; text-transform: lowercase;
}
.hero__title .mark { background: var(--accent); color: var(--ink); padding: 0 .08em; border-radius: 3px; box-decoration-break: clone; -webkit-box-decoration-break: clone; }
.hero__lead { color: var(--muted); font-size: clamp(1rem, 2vw, 1.15rem); max-width: 460px; }
.hero__actions { display: flex; gap: 10px; margin: 32px 0 auto; flex-wrap: wrap; }
.hero__index {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; margin-top: 40px;
  border-top: 1px solid var(--line);
}
.hero__index li { font-size: .74rem; color: var(--muted); padding: 14px 0; }
.hero__index i { display: block; color: var(--accent-deep); font-style: normal; margin-bottom: 4px; }

.hero__panel { border-left: 1px solid var(--line); padding: 22px; display: flex; }

/* object placeholder (figure look) */
.obj {
  position: relative; flex: 1; min-height: 260px; border: 1px solid var(--line);
  background: var(--panel); border-radius: 3px; overflow: hidden;
}
.obj[data-hue="hero"], .obj[data-hue="a"] { background: radial-gradient(120% 120% at 50% 12%, #f6f3ec, #d7d2c5 74%); }
.obj[data-hue="b"] { background: radial-gradient(120% 120% at 60% 15%, #f3f3ee, #d2d5cb 74%); }
.obj[data-hue="c"] { background: radial-gradient(120% 120% at 40% 18%, #f6f2ea, #dbd4c6 74%); }
.obj[data-hue="d"] { background: radial-gradient(120% 120% at 50% 10%, #f5f3ec, #d7d3c8 74%); }
.obj[data-hue="e"] { background: radial-gradient(120% 120% at 55% 15%, #f3f4ee, #d4d7cd 74%); }
.obj::before {
  content: ""; position: absolute; inset: 0;
  background-image: linear-gradient(rgba(42,39,33,.045) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(42,39,33,.035) 1px, transparent 1px);
  background-size: 34px 34px; opacity: .8;
}
.obj::after { content: ""; position: absolute; left: 12%; right: 12%; bottom: 12%; height: 1px; background: rgba(42,39,33,.18); }
.obj__code {
  position: absolute; top: 12px; left: 12px; z-index: 2; font-size: .68rem; color: var(--ink);
  border: 1px solid var(--line-2); padding: 2px 7px; border-radius: 2px; background: rgba(255,255,255,.6);
}
.obj__spec {
  position: absolute; bottom: 12px; right: 12px; text-align: right;
  font-size: .58rem; color: var(--muted); line-height: 1.5;
}
.obj__spec::first-line { color: var(--accent-deep); }

/* ---------- Hero object label (3D PRINTING RESULT / FRONT / 정면) ---------- */
.obj__label { position: absolute; top: 16px; left: 16px; z-index: 2; }
.obj__kicker {
  display: inline-block; font-family: var(--mono); font-size: .58rem; letter-spacing: .16em;
  color: var(--ink); text-transform: uppercase; padding-bottom: 4px; border-bottom: 2px solid var(--accent);
}
.obj__front {
  display: block; margin-top: 12px; font-size: clamp(1.4rem, 3vw, 2rem); font-weight: 800;
  letter-spacing: -0.02em; text-transform: uppercase; line-height: 1;
}
.obj__front span { display: block; margin-top: 4px; font-size: .8rem; font-weight: 600; color: var(--muted); text-transform: none; letter-spacing: 0; }
.obj--hero .obj__code { top: auto; bottom: 14px; left: auto; right: 14px; }
.obj__stage { position: absolute; inset: 70px 8% 40px; z-index: 1; }
.obj__form {
  position: absolute; left: 50%; bottom: 16%; width: min(44%, 230px); height: 66%;
  transform: translateX(-50%);
  background:
    linear-gradient(90deg, rgba(255,255,255,.36), transparent 22% 78%, rgba(42,39,33,.12)),
    repeating-linear-gradient(180deg, rgba(255,255,255,.14) 0 2px, rgba(42,39,33,.035) 2px 5px),
    linear-gradient(180deg, #e6e1d4 0%, #bcb5a6 100%);
  border: 1px solid rgba(42,39,33,.2); border-radius: 44% 44% 18% 18% / 26% 26% 12% 12%;
  box-shadow: 0 26px 44px rgba(42,39,33,.16);
  -webkit-mask: radial-gradient(72% 42% at 50% 18%, #000 64%, transparent 66%) top/100% 48% no-repeat,
                radial-gradient(78% 68% at 50% 94%, #000 60%, transparent 62%) bottom/100% 68% no-repeat;
}
.obj__base {
  position: absolute; left: 50%; bottom: 5%; width: 58%; height: 12%;
  transform: translateX(-50%); border-radius: 50%;
  background: radial-gradient(closest-side, rgba(42,39,33,.26), rgba(42,39,33,.06) 70%, transparent);
}
.obj__ring {
  position: absolute; left: 50%; transform: translateX(-50%); width: 72%; height: 18%;
  border: 1px solid rgba(245,194,17,.75); border-radius: 50%; opacity: .8;
}
.obj__ring--top { top: 10%; width: 42%; }
.obj__ring--mid { top: 36%; }
.obj__ring--low { top: 63%; width: 62%; opacity: .55; }

/* ---------- Feature bar (smartstore feature strip) ---------- */
.features {
  display: grid; grid-template-columns: repeat(4, 1fr);
  border-bottom: 1px solid var(--line); background: var(--panel);
}
.feat { display: flex; gap: 14px; align-items: flex-start; padding: 24px 22px; border-left: 1px solid var(--line); }
.feat:first-child { border-left: 0; }
.feat__ic { flex: none; width: 26px; height: 26px; border: 1.5px solid var(--accent); border-radius: 5px; position: relative; margin-top: 2px; }
.feat__ic::after { content: ""; position: absolute; inset: 6px; background: var(--accent); border-radius: 2px; opacity: .85; }
.feat__ic--dot::after { inset: 5px; border-radius: 50%; -webkit-mask: radial-gradient(circle, #000 32%, transparent 34%) 0 0/7px 7px; }
.feat__ic--pen { transform: rotate(0deg); }
.feat__ic--pen::after { inset: auto 6px 6px auto; width: 10px; height: 10px; border-radius: 0 0 0 2px; transform: rotate(45deg); }
.feat b { display: block; font-size: 1rem; margin-bottom: 4px; }
.feat p { font-size: .82rem; color: var(--muted); }

/* ---------- Section heads ---------- */
.section { border-bottom: 1px solid var(--line); }
.sec-head {
  display: grid; grid-template-columns: auto 1fr; grid-auto-flow: row;
  align-items: baseline; gap: 4px 16px; padding: clamp(40px, 6vw, 72px) 22px clamp(24px, 3vw, 36px);
  border-inline: 0;
}
.sec-no { font-size: .8rem; color: var(--accent-deep); grid-row: 1; }
.sec-title { font-size: clamp(2rem, 5vw, 3.4rem); font-weight: 800; letter-spacing: -0.04em; text-transform: lowercase; grid-row: 1; grid-column: 2; }
.sec-sub { grid-column: 2; color: var(--muted); font-size: 1rem; }

/* ---------- Store / products ---------- */
.products { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); }
.prod { border-left: 1px solid var(--line); display: flex; flex-direction: column; transition: background .2s; }
.prod:first-child { border-left: 0; }
.prod:hover { background: var(--panel-2); }
.prod__img {
  position: relative; aspect-ratio: 1 / 1; margin: 16px 16px 0; border: 1px solid var(--line);
  border-radius: 3px; overflow: hidden;
  background: radial-gradient(120% 120% at 50% 12%, #f6f3ec, #d7d2c5 74%);
}
.prod__img[data-hue="b"] { background: radial-gradient(120% 120% at 60% 15%, #f3f3ee, #d2d5cb 74%); }
.prod__img[data-hue="c"] { background: radial-gradient(120% 120% at 40% 18%, #f6f2ea, #dbd4c6 74%); }
.prod__img::after {
  content: ""; position: absolute; left: 13%; right: 13%; bottom: 12%; height: 1px; background: rgba(42,39,33,.18);
}
.prod__img--quote { background: var(--panel-2); display: grid; place-items: center; }
.prod__img--quote::after { display: none; }
.prod__q { font-family: var(--mono); font-size: 3rem; color: var(--faint); font-weight: 700; }
.prod__tag {
  position: absolute; top: 10px; left: 10px; z-index: 2; font-size: .64rem; color: var(--ink);
  border: 1px solid var(--line-2); padding: 2px 6px; border-radius: 2px; background: rgba(255,255,255,.65);
}
.print-piece {
  position: absolute; left: 50%; bottom: 16%; z-index: 1; display: block;
  transform: translateX(-50%);
  background:
    linear-gradient(90deg, rgba(255,255,255,.34), transparent 28% 72%, rgba(42,39,33,.13)),
    repeating-linear-gradient(180deg, rgba(255,255,255,.18) 0 2px, rgba(42,39,33,.035) 2px 5px),
    linear-gradient(180deg, #e8e3d7, #bab3a5);
  border: 1px solid rgba(42,39,33,.18);
  box-shadow: 0 18px 28px rgba(42,39,33,.14);
}
.print-piece::after {
  content: ""; position: absolute; left: 50%; bottom: -16%; width: 140%; height: 18%;
  transform: translateX(-50%); border-radius: 50%;
  background: radial-gradient(closest-side, rgba(42,39,33,.2), transparent 72%);
}
.print-piece--tower { width: 36%; height: 58%; border-radius: 46% 46% 14% 14% / 34% 34% 10% 10%; }
.print-piece--model { width: 54%; height: 38%; border-radius: 48% 52% 18% 20% / 56% 42% 16% 18%; }
.print-piece--figure {
  width: 38%; height: 62%;
  -webkit-mask: radial-gradient(58% 38% at 50% 20%, #000 62%, transparent 64%) top/100% 46% no-repeat,
                radial-gradient(78% 62% at 50% 100%, #000 58%, transparent 60%) bottom/100% 62% no-repeat;
}
.print-piece--scan { width: 46%; height: 54%; border-radius: 42% 42% 18% 18% / 26% 26% 12% 12%; opacity: .78; }
.scan-lines {
  position: absolute; inset: 18% 14%; z-index: 2;
  background: repeating-linear-gradient(180deg, transparent 0 20px, rgba(245,194,17,.82) 20px 22px);
  opacity: .72; pointer-events: none;
}
.prod__meta { padding: 16px; margin-top: auto; }
.prod__meta h3 { font-size: 1.05rem; font-weight: 700; text-transform: lowercase; }
.prod__meta p { font-size: .82rem; color: var(--muted); margin: 4px 0 14px; }
.prod__buy { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.price { font-size: .92rem; font-weight: 700; }

/* ---------- Services modules ---------- */
.modules { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); }
.mod { padding: 30px 24px 34px; border-left: 1px solid var(--line); transition: background .2s; }
.mod:first-child { border-left: 0; }
.mod:hover { background: var(--panel-2); }
.mod--accent { position: relative; background: var(--panel-2); }
.mod--accent::before { content: ""; position: absolute; top: 0; left: 0; right: 0; height: 2px; background: var(--accent); }
.mod--accent:hover { background: #232320; }
.mod__no { font-size: 1.1rem; font-weight: 700; color: var(--accent-deep); margin-bottom: 24px; }
.mod h3 { font-size: 1.25rem; font-weight: 700; text-transform: lowercase; margin-bottom: 10px; }
.mod p { color: var(--muted); font-size: .92rem; margin-bottom: 20px; }
.mod ul { display: grid; }
.mod li { font-size: .86rem; padding: 10px 0; border-top: 1px solid var(--line); }
.mod li:last-child { border-bottom: 1px solid var(--line); }
.mod--accent li:last-child { border-bottom-color: #3a3733; }

/* ---------- Easy-for-beginners callout ---------- */
.ease {
  display: grid; grid-template-columns: auto 1fr; gap: 8px 20px; align-items: start;
  padding: 22px; border-top: 1px solid var(--line); background: var(--panel-2);
}
.ease__k {
  font-family: var(--mono); font-size: .7rem; color: var(--accent-deep);
  border: 1px solid var(--accent); padding: 4px 9px; border-radius: 2px; white-space: nowrap;
}
.ease p { font-size: clamp(1rem, 1.8vw, 1.14rem); color: var(--ink); max-width: 780px; line-height: 1.6; }
.ease p b { color: var(--accent-deep); font-weight: 700; }
@media (max-width: 560px) { .ease { grid-template-columns: 1fr; } }

/* ---------- Order payline callout ---------- */
.payline {
  display: flex; align-items: center; gap: 8px; flex-wrap: wrap;
  padding: 18px 22px; border-top: 1px solid var(--line);
  font-size: .88rem; color: var(--muted);
}
.payline .accent { color: var(--accent-deep); font-weight: 600; }
.payline b {
  font-family: var(--mono); font-size: .72rem; font-weight: 500; color: var(--ink);
  border: 1px solid var(--line-2); padding: 4px 9px; border-radius: 2px; background: var(--panel);
}
.trust-strip {
  display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line);
  background: var(--panel);
}
.trust-strip div { padding: 16px 22px; border-left: 1px solid var(--line); }
.trust-strip div:first-child { border-left: 0; }
.trust-strip span { display: block; font-family: var(--mono); font-size: .64rem; color: var(--accent-deep); margin-bottom: 3px; }
.trust-strip b { display: block; font-size: .92rem; letter-spacing: 0; }

/* ---------- Fit checker ---------- */
.fit-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line);
}
.fit-card {
  min-height: 250px; padding: 26px 22px 28px; border-left: 1px solid var(--line);
  display: flex; flex-direction: column; background: var(--panel);
}
.fit-card:first-child { border-left: 0; }
.fit-card:hover { background: var(--panel-2); }
.fit-card__k {
  align-self: flex-start; font-family: var(--mono); font-size: .68rem; color: var(--accent-deep);
  border: 1px solid var(--accent); border-radius: 2px; padding: 3px 8px; margin-bottom: 28px;
}
.fit-card h3 { font-size: 1.18rem; line-height: 1.35; margin-bottom: 10px; }
.fit-card p { color: var(--muted); font-size: .9rem; max-width: 300px; }
.fit-card a {
  margin-top: auto; font-family: var(--mono); font-size: .76rem; color: var(--ink);
  border-top: 1px solid var(--line); padding-top: 16px;
}
.fit-card a:hover { color: var(--accent-deep); }

/* ---------- Process / order & pay ---------- */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); }
.step { position: relative; padding: 30px 22px 40px; border-left: 1px solid var(--line); transition: background .2s; }
.step:first-child { border-left: 0; }
.step:hover { background: var(--panel-2); }
.step--pay { background: var(--panel-2); }
.step--pay::before { content: ""; position: absolute; top: 0; left: 0; right: 0; height: 2px; background: var(--accent); }
.step__no { font-size: 1.6rem; font-weight: 700; color: var(--accent-deep); display: block; margin-bottom: 18px; }
.step h3 { font-size: 1.1rem; margin-bottom: 8px; }
.step p { color: var(--muted); font-size: .88rem; }
.step__badge {
  display: inline-block; margin-top: 14px; font-family: var(--mono); font-size: .64rem;
  border: 1px solid var(--accent); color: var(--accent-deep); padding: 3px 8px; border-radius: 2px;
}

/* ---------- Works gallery ---------- */
.gallery { display: grid; grid-template-columns: repeat(4, 1fr); grid-auto-rows: 210px; gap: 14px; padding: 22px; border-top: 1px solid var(--line); }
.shot { display: flex; flex-direction: column; gap: 8px; }
.shot--tall { grid-row: span 2; }
.shot--wide { grid-column: span 2; }
.shot .obj { min-height: 0; height: 100%; }
.shot figcaption { font-family: var(--mono); font-size: .7rem; color: var(--muted); text-transform: lowercase; }

/* ---------- Search landing list ---------- */
.landing-list { display: grid; border-top: 1px solid var(--line); }
.landing-list article {
  display: grid; grid-template-columns: 170px 1fr 1.25fr auto; gap: 18px; align-items: baseline;
  padding: 22px; border-top: 1px solid var(--line); transition: background .2s;
}
.landing-list article:first-child { border-top: 0; }
.landing-list article:hover { background: var(--panel-2); }
.landing-list span {
  font-family: var(--mono); font-size: .68rem; color: var(--accent-deep);
  border: 1px solid var(--accent); border-radius: 2px; padding: 3px 8px; justify-self: start;
}
.landing-list h3 { font-size: 1.1rem; line-height: 1.35; }
.landing-list p { color: var(--muted); font-size: .9rem; max-width: 520px; }
.landing-list a {
  font-family: var(--mono); font-size: .76rem; white-space: nowrap;
  border-bottom: 1px solid var(--line-2); padding-bottom: 3px;
}
.landing-list a:hover { color: var(--accent-deep); border-bottom-color: var(--accent); }

/* ---------- FAQ ---------- */
.faq-list { display: grid; grid-template-columns: 1fr 1fr; border-top: 1px solid var(--line); }
.faq-list article { padding: 24px 22px; border-left: 1px solid var(--line); border-top: 1px solid var(--line); }
.faq-list article:nth-child(-n+2) { border-top: 0; }
.faq-list article:nth-child(odd) { border-left: 0; }
.faq-list h3 { font-size: 1.05rem; margin-bottom: 8px; }
.faq-list p { color: var(--muted); font-size: .9rem; max-width: 520px; }

/* ---------- About ---------- */
.about { display: grid; grid-template-columns: .4fr .6fr; border-inline: 0; }
.about__l { padding: clamp(40px, 6vw, 72px) 22px; border-right: 1px solid var(--line); }
.about__l .sec-no { display: block; margin-bottom: 8px; }
.about__l .sec-title { font-size: clamp(2rem, 5vw, 3.4rem); }
.about__r { padding: clamp(40px, 6vw, 72px) 22px; }
.about__big { font-size: clamp(1.3rem, 2.6vw, 1.9rem); font-weight: 700; letter-spacing: -0.02em; margin-bottom: 20px; }
.about__txt { color: var(--muted); max-width: 620px; }
.about__facts { display: grid; grid-template-columns: 1fr 1fr; gap: 0; margin-top: 34px; border-top: 1px solid var(--line); }
.about__facts li { display: flex; gap: 14px; padding: 20px 0; border-bottom: 1px solid var(--line); }
.about__facts li:nth-child(odd) { padding-right: 20px; border-right: 1px solid var(--line); }
.about__facts li:nth-child(even) { padding-left: 20px; }
.about__facts i { font-family: var(--mono); font-style: normal; color: var(--accent-deep); font-size: .9rem; }
.about__facts b { display: block; font-size: .98rem; }
.about__facts div { font-size: .85rem; color: var(--muted); }
.about__facts b { color: var(--ink); }

/* ---------- Contact ---------- */
.contact { display: grid; grid-template-columns: 1fr 1fr; border-inline: 0; }
.contact__l { padding: clamp(40px, 6vw, 72px) 22px; border-right: 1px solid var(--line); }
.contact__l .sec-no { display: block; margin-bottom: 8px; }
.contact__big { font-size: clamp(1.8rem, 4vw, 3rem); font-weight: 800; letter-spacing: -0.03em; text-transform: lowercase; margin: 20px 0 16px; line-height: 1.02; }
.contact__txt { color: var(--muted); max-width: 380px; }
.contact__links { display: flex; gap: 10px; margin-top: 28px; flex-wrap: wrap; }
.pay-tiny { margin-top: 22px; font-size: .8rem; color: var(--muted); }
.pay-tiny b { font-family: var(--mono); font-size: .7rem; font-weight: 500; color: var(--ink); border: 1px solid var(--line-2); padding: 3px 7px; border-radius: 2px; }

.handoff { padding: clamp(32px, 5vw, 56px) 22px; display: grid; align-content: start; gap: 18px; }
.handoff__head {
  display: grid; gap: 8px; padding: 18px; border: 1px solid var(--line-2); background: var(--panel);
}
.handoff__head span { font-family: var(--mono); font-size: .66rem; color: var(--accent-deep); }
.handoff__head b { font-size: clamp(1.25rem, 2.2vw, 1.7rem); line-height: 1.25; letter-spacing: -0.02em; }
.handoff__list { display: grid; border-top: 1px solid var(--line); }
.handoff__list li {
  display: grid; grid-template-columns: 42px 1fr; gap: 12px; align-items: start;
  padding: 14px 0; border-bottom: 1px solid var(--line); color: var(--muted); font-size: .92rem;
}
.handoff__list span { font-family: var(--mono); color: var(--accent-deep); font-size: .76rem; }

/* ---------- Footer ---------- */
.foot {
  display: grid; grid-template-columns: 1fr auto; gap: 24px; align-items: center;
  padding: 40px 22px; border-top: 0;
}
.foot__brand { display: flex; flex-direction: column; }
.foot__nav { display: flex; gap: 18px; flex-wrap: wrap; }
.foot__nav a { font-family: var(--mono); font-size: .8rem; color: var(--muted); transition: color .2s; }
.foot__nav a:hover { color: var(--accent-deep); }
.foot__business {
  grid-column: 1 / -1; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
}
.foot__business > div { min-width: 0; padding: 14px 16px 14px 0; }
.foot__business--wide { grid-column: span 2; }
.foot__business dt {
  margin-bottom: 4px; font-family: var(--mono); font-size: .64rem;
  color: var(--faint); text-transform: uppercase;
}
.foot__business dd { font-size: .78rem; color: var(--muted); overflow-wrap: anywhere; }
.foot__business a { transition: color .2s; }
.foot__business a:hover { color: var(--accent-deep); }
.foot__copy { grid-column: 1 / -1; font-size: .72rem; color: var(--faint); padding-top: 20px; border-top: 1px solid var(--line); }

/* ---------- To top ---------- */
.totop {
  position: fixed; right: 20px; bottom: 20px; z-index: 90; width: 42px; height: 42px;
  display: grid; place-items: center; border: 1px solid var(--line-2); background: var(--paper);
  font-weight: 700; border-radius: 2px; opacity: 0; pointer-events: none; transform: translateY(10px);
  transition: opacity .3s, transform .3s, background .2s, color .2s;
}
.totop:hover { background: var(--ink); color: var(--paper); }
.totop.is-visible { opacity: 1; pointer-events: auto; transform: translateY(0); }

/* ---------- Reveal ---------- */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s var(--ease), transform .6s var(--ease); }
.reveal.is-in { opacity: 1; transform: none; }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .menu, .top__cta { display: none; }
  .burger { display: flex; margin-left: auto; }
  .top.is-open .menu {
    display: flex; position: absolute; top: 66px; left: 0; right: 0; flex-direction: column; gap: 0;
    background: var(--paper); border-bottom: 1px solid var(--line); padding: 4px 22px 16px;
  }
  .top.is-open .menu a { padding: 13px 0; border-bottom: 1px solid var(--line); }
  .top.is-open .menu .menu__mobile { display: block; color: var(--accent-deep); font-weight: 700; }

  .hero { grid-template-columns: 1fr; }
  .hero__panel { border-left: 0; border-top: 1px solid var(--line); min-height: 320px; }
  .features { grid-template-columns: 1fr 1fr; }
  .feat:nth-child(3), .feat:nth-child(4) { border-top: 1px solid var(--line); }
  .feat:nth-child(odd) { border-left: 0; }
  .products { grid-template-columns: 1fr 1fr; }
  .prod:nth-child(odd) { border-left: 0; }
  .prod:nth-child(n+3) { border-top: 1px solid var(--line); }
  .modules { grid-template-columns: 1fr; }
  .mod { border-left: 0; border-top: 1px solid var(--line); }
  .mod:first-child { border-top: 0; }
  .steps { grid-template-columns: 1fr 1fr; }
  .landing-list article { grid-template-columns: 1fr; gap: 10px; }
  .landing-list a { justify-self: start; }
  .fit-grid { grid-template-columns: 1fr; }
  .fit-card { border-left: 0; border-top: 1px solid var(--line); min-height: 220px; }
  .fit-card:first-child { border-top: 0; }
  .trust-strip { grid-template-columns: 1fr 1fr; }
  .trust-strip div:nth-child(odd) { border-left: 0; }
  .trust-strip div:nth-child(n+3) { border-top: 1px solid var(--line); }
  .step:nth-child(odd) { border-left: 0; }
  .step:nth-child(n+3) { border-top: 1px solid var(--line); }
  .gallery { grid-template-columns: 1fr 1fr; grid-auto-rows: 190px; }
  .shot--wide { grid-column: span 2; }
  .shot--tall { grid-row: span 1; }
  .about, .contact { grid-template-columns: 1fr; }
  .about__l, .contact__l { border-right: 0; border-bottom: 1px solid var(--line); }
}

@media (max-width: 560px) {
  .products, .gallery, .about__facts, .features { grid-template-columns: 1fr; }
  .faq-list { grid-template-columns: 1fr; }
  .faq-list article { border-left: 0; }
  .faq-list article:nth-child(2) { border-top: 1px solid var(--line); }
  .trust-strip { grid-template-columns: 1fr; }
  .trust-strip div { border-left: 0; border-top: 1px solid var(--line); }
  .trust-strip div:first-child { border-top: 0; }
  .hero__index { grid-template-columns: 1fr 1fr; }
  .hero__panel { min-height: 280px; padding: 16px; }
  .obj__stage { inset: 82px 4% 34px; }
  .feat { border-left: 0; border-top: 1px solid var(--line); }
  .feat:first-child { border-top: 0; }
  .about__facts li:nth-child(odd) { border-right: 0; padding-right: 0; }
  .about__facts li:nth-child(even) { padding-left: 0; }
  .shot--wide { grid-column: span 1; }
  .foot { grid-template-columns: 1fr; }
  .foot__business { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001ms !important; transition-duration: .001ms !important; }
  html { scroll-behavior: auto; }
}

/* ============================================================
   VOLUME3D — fresh color edition / 2026-07-19-1
   ============================================================ */

:root {
  --paper: #f7fbf8;
  --panel: #ffffff;
  --panel-2: #e4f5ec;
  --ink: #171a19;
  --muted: #56615d;
  --faint: #7c8883;
  --line: #b9c8c2;
  --line-2: #171a19;
  --accent: #d7ff53;
  --accent-deep: #075c47;
  --accent-2: #ff765f;
  --hover: #171a19;
  --sky: #bde7ff;
  --mint: #d9f5e5;
  --coral: #ff826d;
  --blush: #ffe3dc;
  --lemon: #fff1a8;
  --pink: #ffdce7;
}

* { letter-spacing: 0; }
body { background: var(--paper); }

/* Real VOLUME logo */
.top { background: #f7fbf8; }
.top__inner { height: 84px; }
.logo {
  position: relative; display: block; flex: none;
  width: 128px; height: 72px; overflow: hidden;
  background: #020504; line-height: 1;
}
.logo__image {
  position: absolute; left: 0; top: 0;
  width: 128px; max-width: none; height: auto;
  transform: translateY(-27px);
}
.logo--footer { width: 160px; height: 92px; }
.logo--footer .logo__image { width: 160px; transform: translateY(-34px); }

/* Crisp primary actions */
.chip--accent { background: var(--accent); border-color: var(--ink); color: var(--ink); }
.chip--accent:hover { background: var(--coral); border-color: var(--ink); color: var(--ink); }
.menu a::after { background: var(--coral); }
.lnk:hover, .fit-card a:hover, .landing-list a:hover { color: var(--accent-deep); }

/* First viewport */
.hero { background: var(--sky); }
.hero__copy { background: var(--sky); }
.hero__panel { background: var(--coral); }
.tag { background: rgba(255, 255, 255, .72); border-color: var(--ink); color: var(--ink); }
.tag::before { color: var(--accent-deep); }
.hero__title .mark { background: var(--accent); }
.hero__lead { color: #37423e; }
.hero__index { border-color: rgba(23, 26, 25, .35); }
.hero__index li { color: #3e4b46; }
.hero__index i { color: var(--accent-deep); }
.obj[data-hue="hero"] { background: #fffdf8; }
.obj__ring { border-color: rgba(255, 118, 95, .9); }
.obj__kicker { border-bottom-color: var(--coral); }

/* Four quick signals, four fresh tones */
.features { background: #fff; }
.feat:nth-child(1) { background: #ffffff; }
.feat:nth-child(2) { background: var(--mint); }
.feat:nth-child(3) { background: var(--lemon); }
.feat:nth-child(4) { background: var(--pink); }
.feat__ic { border-color: var(--ink); background: #fff; }
.feat__ic::after { background: var(--coral); }

/* Section color bands */
#order { background: #f7fbf8; }
#fit { background: var(--blush); }
#process { background: var(--mint); }
#service { background: var(--lemon); }
#landing { background: #e4efff; }
#faq { background: #ffffff; }
#works { background: #dff3ff; }
#about { background: var(--pink); }
#contact { background: var(--accent); }

.ease { background: #e8f8ef; }
.ease__k, .fit-card__k, .landing-list span, .step__badge { border-color: var(--ink); color: var(--accent-deep); background: #fff; }
.ease p b { color: var(--accent-deep); }

.prod:nth-child(1), .prod__img[data-hue="a"] { background: #ffd9cf; }
.prod:nth-child(2), .prod__img[data-hue="b"] { background: #caedff; }
.prod:nth-child(3), .prod__img[data-hue="c"] { background: #fff0a5; }
.prod:nth-child(4), .prod__img[data-hue="d"] { background: #d7f4e2; }
.prod:hover { background: #fff; }
.print-piece { border-color: rgba(23, 26, 25, .35); }
.scan-lines { background: repeating-linear-gradient(180deg, transparent 0 20px, rgba(7, 92, 71, .72) 20px 22px); }

.trust-strip { background: #fff; }
.trust-strip div:nth-child(1) { background: #fff; }
.trust-strip div:nth-child(2) { background: #e2f2ff; }
.trust-strip div:nth-child(3) { background: #ffe5de; }
.trust-strip div:nth-child(4) { background: #e1f7e9; }

.fit-card { background: transparent; }
.fit-card:nth-child(1) { background: #fff3ef; }
.fit-card:nth-child(2) { background: #ffe0d7; }
.fit-card:nth-child(3) { background: #fff8cc; }
.fit-card:hover { background: #fff; }

.step { background: rgba(255, 255, 255, .22); }
.step:nth-child(2) { background: #f4fff8; }
.step--pay { background: #fff4b8; }
.step:nth-child(4) { background: #d7efff; }
.step:hover { background: #fff; }
.step--pay::before, .mod--accent::before { background: var(--coral); }

.mod { background: rgba(255, 255, 255, .34); }
.mod:nth-child(1) { background: #fffdf0; }
.mod--accent { background: #ffdcd5; }
.mod:nth-child(3) { background: #ddf4ff; }
.mod:hover, .mod--accent:hover { background: #fff; }

.landing-list article:nth-child(odd) { background: rgba(255, 255, 255, .54); }
.landing-list article:nth-child(even) { background: rgba(217, 245, 229, .64); }
.landing-list article:hover { background: #fff; }

.faq-list article:nth-child(1), .faq-list article:nth-child(6) { background: #e5f4ff; }
.faq-list article:nth-child(2), .faq-list article:nth-child(5) { background: #fff4be; }
.faq-list article:nth-child(3), .faq-list article:nth-child(4) { background: #e4f6eb; }

.gallery .shot:nth-child(1) .obj { background: #ffd9cf; }
.gallery .shot:nth-child(2) .obj { background: #fff0a5; }
.gallery .shot:nth-child(3) .obj { background: #d9f5e5; }
.gallery .shot:nth-child(4) .obj { background: #fff; }
.gallery .shot:nth-child(5) .obj { background: #ffc9d9; }

.about__l { background: var(--coral); }
.about__r { background: var(--pink); }
.about__facts { border-color: rgba(23, 26, 25, .45); }

.contact__l { background: var(--accent); }
.contact__txt, .pay-tiny { color: #344038; }
.handoff { background: #fff; }
.handoff__head { background: var(--sky); }

.foot { background: #171a19; color: #f7fbf8; border-color: #171a19; }
.foot__nav a { color: #cbd4d0; }
.foot__nav a:hover { color: var(--accent); }
.foot__business { border-color: #3a413e; }
.foot__business dt { color: #99a49f; }
.foot__business dd { color: #d5dcd9; }
.foot__business a:hover { color: var(--accent); }
.foot__copy { color: #99a49f; border-color: #3a413e; }
.totop { background: var(--accent); }

@media (max-width: 900px) {
  .top.is-open .menu { top: 84px; background: #f7fbf8; }
}

@media (max-width: 560px) {
  .top__inner { height: 76px; padding-inline: 16px; }
  .foot__business { grid-template-columns: 1fr; }
  .foot__business--wide { grid-column: auto; }
  .logo { width: 110px; height: 64px; }
  .logo__image { width: 110px; transform: translateY(-23px); }
  .logo--footer { width: 150px; height: 86px; }
  .logo--footer .logo__image { width: 150px; transform: translateY(-32px); }
  .top.is-open .menu { top: 76px; }
}

/* ============================================================
   VOLUME3D — restrained studio tone / 2026-07-19-2
   ============================================================ */
:root {
  --paper: #f4f0e8;
  --panel: #fffdf9;
  --panel-2: #e9e2d7;
  --ink: #171717;
  --muted: #625e56;
  --faint: #8d877c;
  --line: #d2cbbf;
  --line-2: #171717;
  --accent: #b6d957;
  --accent-deep: #3d5420;
  --accent-2: #b6d957;
  --hover: #171717;
}

body, .top { background: var(--paper); }
.top__inner { height: 78px; }
.logo, .logo--footer { width: 146px; height: auto; overflow: visible; background: transparent; }
.logo__image, .logo--footer .logo__image { position: static; display: block; width: 100%; height: auto; transform: none; }
.chip--accent { background: var(--accent); border-color: var(--ink); color: var(--ink); }
.chip--accent:hover { background: var(--ink); border-color: var(--ink); color: var(--panel); }
.menu a::after, .step--pay::before, .mod--accent::before { background: var(--accent); }
.lnk:hover, .fit-card a:hover, .landing-list a:hover { color: var(--accent-deep); }

.hero, .hero__copy { background: var(--paper); }
.hero__panel { background: var(--panel-2); }
.tag { background: transparent; border-color: var(--line-2); color: var(--muted); }
.tag::before, .hero__index i, .sec-no, .mod__no, .step__no, .trust-strip span, .about__facts i, .handoff__head span, .handoff__list span { color: var(--accent-deep); }
.hero__title .mark { background: var(--accent); }
.hero__lead, .hero__index li { color: var(--muted); }
.hero__index { border-color: var(--line); }
.obj[data-hue="hero"] { background: #ece6dc; }
.obj__ring { border-color: rgba(61, 84, 32, .55); }
.obj__kicker { border-color: var(--accent); }

.features, .features .feat, .feat:nth-child(n) { background: var(--panel); }
.feat__ic { border-color: var(--ink); background: transparent; }
.feat__ic::after { background: var(--accent); }

#order, #fit, #process, #service, #landing, #faq, #works, #about, #contact { background: var(--paper); }
.ease, .trust-strip, .trust-strip div, .fit-card, .step, .step:nth-child(n), .mod, .mod:nth-child(n), .landing-list article:nth-child(n), .faq-list article:nth-child(n) { background: var(--panel); }
.ease { background: var(--panel-2); }
.ease__k, .fit-card__k, .landing-list span, .step__badge { color: var(--accent-deep); border-color: var(--accent-deep); background: transparent; }
.ease p b { color: var(--accent-deep); }
.prod:nth-child(n), .prod__img[data-hue], .prod:hover { background: var(--panel); }
.prod__img { margin: 16px 16px 0; background: #e6e0d6; }
.prod__img::after { display: none; }
.prod__photo { width: 100%; height: 100%; object-fit: cover; filter: grayscale(1) contrast(1.06); }
.prod__tag { background: var(--panel); }
.fit-card:hover, .step:hover, .mod:hover, .mod--accent:hover, .landing-list article:hover { background: var(--panel-2); }
.step--pay { box-shadow: inset 0 3px 0 var(--accent); }

.gallery { grid-template-columns: 1.4fr 1fr 1fr; grid-auto-rows: 300px; gap: 16px; background: var(--paper); }
.shot { min-width: 0; }
.shot--wide { grid-column: auto; }
.shot__photo { height: 100%; overflow: hidden; border: 1px solid var(--line); background: #e6e0d6; }
.shot__photo img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(1) contrast(1.08); transition: transform .35s var(--ease); }
.shot:hover .shot__photo img { transform: scale(1.025); }
.shot figcaption { color: var(--muted); }

.about__l, .about__r, .contact__l, .handoff { background: var(--panel); }
.about__l { background: var(--panel-2); }
.contact__l { background: var(--accent); }
.contact__txt, .pay-tiny { color: #3f3c36; }
.handoff__head { background: var(--panel-2); }
.foot { background: var(--ink); color: var(--panel); }
.foot .logo { background: transparent; filter: invert(1); }
.foot__nav a { color: #d4d0c7; }
.foot__nav a:hover, .foot__business a:hover { color: var(--accent); }
.foot__business { border-color: #4b4944; }
.foot__business dt, .foot__copy { color: #a7a198; }
.foot__business dd { color: #e6e2da; }
.foot__copy { border-color: #4b4944; }
.totop { background: var(--accent); }

@media (max-width: 900px) {
  .top.is-open .menu { top: 78px; background: var(--paper); }
  .gallery { grid-template-columns: 1fr 1fr; grid-auto-rows: 260px; }
  .shot:first-child { grid-column: span 2; }
}
@media (max-width: 560px) {
  .top__inner { height: 70px; padding-inline: 16px; }
  .logo { width: 118px; }
  .top.is-open .menu { top: 70px; }
  .gallery { grid-template-columns: 1fr; grid-auto-rows: 260px; }
  .shot:first-child { grid-column: auto; }
}