:root {
  color-scheme: light;
  --bg: #f4f6f8;
  --panel: rgba(255, 255, 255, 0.82);
  --panel-strong: rgba(255, 255, 255, 0.94);
  --line: rgba(15, 23, 42, 0.08);
  --text: #111827;
  --muted: #5b6574;
  --accent: #0f766e;
  --accent-2: #f97316;
  --shadow: 0 28px 90px rgba(15, 23, 42, 0.12);
  --radius-xl: 32px;
  --radius-lg: 24px;
  --radius-md: 18px;
  --box-base: #7b8592;
  --box-dark: #29303a;
  --box-light: #eef1f4;
  --shelf-base: #d5dae0;
  --shelf-dark: #8d97a6;
  --shelf-light: #fbfcfd;
  --swatch-text: #f8fafc;
  --clear: rgba(255, 255, 255, 0.45);
  --finish-opacity: 0.24;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Avenir Next", "Helvetica Neue", "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(15, 118, 110, 0.12), transparent 22%),
    radial-gradient(circle at 90% 15%, rgba(249, 115, 22, 0.13), transparent 24%),
    radial-gradient(circle at 15% 80%, rgba(59, 130, 246, 0.1), transparent 24%),
    linear-gradient(180deg, #f8fafc 0%, #eef2f7 48%, #edf1f6 100%);
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input {
  font: inherit;
}

.backdrop {
  position: fixed;
  inset: auto;
  pointer-events: none;
  filter: blur(60px);
  opacity: 0.65;
}

.backdrop-a {
  width: 28rem;
  height: 28rem;
  top: -8rem;
  right: -6rem;
  background: rgba(15, 118, 110, 0.12);
}

.backdrop-b {
  width: 30rem;
  height: 30rem;
  bottom: -12rem;
  left: -10rem;
  background: rgba(249, 115, 22, 0.13);
}

.topbar,
.shell,
.footer {
  width: min(1240px, calc(100vw - 32px));
  margin: 0 auto;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 0 22px;
  gap: 24px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 20px;
}

.brand-mark,
.footer-mark {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 16px;
  border-radius: 28px;
  background: var(--panel-strong);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.brand-media {
  position: relative;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.brand-media-color {
  position: absolute;
  inset: 0;
  z-index: 3;
  opacity: var(--color-opacity, 0);
  transition:
    opacity 900ms cubic-bezier(0.22, 1, 0.36, 1),
    clip-path 1800ms cubic-bezier(0.22, 1, 0.36, 1),
    transform 1800ms cubic-bezier(0.22, 1, 0.36, 1);
  pointer-events: none;
  clip-path: circle(var(--reveal-r, 0%) at var(--reveal-x, 50%) var(--reveal-y, 50%));
}

.brand-logo,
.footer-logo {
  display: block;
  width: auto;
  height: 56px;
  object-fit: contain;
}

.brand-note {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.5;
  max-width: 38ch;
}

.brand-copy h1,
.hero-copy h2,
.preview-header h3,
.config-group h4,
.product-card strong,
.section-title,
.price-card h3 {
  margin: 0;
  letter-spacing: -0.03em;
}

.brand-copy h1 {
  font-size: 1.2rem;
}

.eyebrow,
.pill,
.hint,
.chip,
.config-breadcrumb {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  justify-content: end;
}

.nav {
  display: flex;
  gap: 26px;
  color: var(--muted);
}

.lang-switch {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px;
  border-radius: 999px;
  background: var(--panel-strong);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.lang-btn {
  border: 0;
  padding: 9px 12px;
  border-radius: 999px;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  font-weight: 700;
  letter-spacing: 0.04em;
  transition:
    background 180ms ease,
    color 180ms ease,
    transform 180ms ease;
}

.lang-btn.is-active {
  background: linear-gradient(135deg, #0f766e, #14b8a6);
  color: #fff;
}

.nav a {
  position: relative;
  padding-bottom: 4px;
}

.nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 1px;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 180ms ease;
  background: currentColor;
}

.nav a:hover::after {
  transform: scaleX(1);
}

.shell {
  padding-bottom: 40px;
}

.hero-copy,
.preview-card,
.config-card,
.product-card,
.footer {
  border: 1px solid var(--line);
  background: linear-gradient(180deg, var(--panel-strong), var(--panel));
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.hero-copy {
  border-radius: var(--radius-xl);
  padding: 34px;
}

.hero-copy-wide {
  margin-top: 10px;
}

.hero-copy h2 {
  max-width: 13ch;
  font-size: clamp(2.8rem, 5vw, 5rem);
  line-height: 0.95;
  margin-top: 16px;
  color: #0f172a;
}

.hero-copy p {
  max-width: 70ch;
  margin: 18px 0 0;
  font-size: 1.05rem;
  line-height: 1.75;
  color: var(--muted);
}

.landing-view {
  display: grid;
  gap: 22px;
}

.hero-banner {
  display: block;
}

.hover-logo {
  --reveal-x: 50%;
  --reveal-y: 50%;
  --reveal-r: 0%;
}

.brand-logo-metal {
  filter: grayscale(1) saturate(0.18) contrast(1.08) brightness(1.16);
}

.brand-logo-color {
  filter: saturate(1.18) contrast(1.04);
  transition: opacity 900ms cubic-bezier(0.22, 1, 0.36, 1);
}

.hero-copy {
  display: grid;
  gap: 16px;
}

.hero-copy-wide {
  position: relative;
  min-height: 220vh;
  padding-bottom: 12vh;
}

.hero-brand-panel {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: clamp(620px, 78vh, 960px);
  padding: clamp(24px, 3.8vw, 54px);
  border-radius: 44px;
  background:
    radial-gradient(circle at 18% 18%, rgba(255, 255, 255, 0.86), transparent 30%),
    radial-gradient(circle at 78% 20%, rgba(20, 184, 166, 0.08), transparent 28%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(238, 243, 248, 0.9));
  border: 1px solid rgba(15, 23, 42, 0.08);
  box-shadow: 0 18px 50px rgba(15, 23, 42, 0.08);
  overflow: hidden;
  isolation: isolate;
}

.hero-brand-logo {
  width: min(100%, 1220px);
  max-width: 100%;
  max-height: min(72vh, 620px);
  height: auto;
}

.hero-brand-panel .brand-media-color {
  transition:
    opacity 1500ms cubic-bezier(0.22, 1, 0.36, 1),
    clip-path 2400ms cubic-bezier(0.18, 1, 0.32, 1),
    transform 2400ms cubic-bezier(0.18, 1, 0.32, 1);
  clip-path: inset(0 calc(100% - var(--reveal-w, 0%)) 0 0 round 16px);
}

.brand-spray-layer {
  position: absolute;
  inset: 0;
  opacity: 1;
  pointer-events: none;
  mix-blend-mode: screen;
  transition: opacity 1200ms cubic-bezier(0.22, 1, 0.36, 1);
  width: 100%;
  height: 100%;
}

.hover-logo.is-fabricating .brand-media-color {
  opacity: 0;
}

.hover-logo.is-coloring .brand-media-color {
  opacity: var(--color-opacity, 0);
}

.hover-logo.is-fabricating .brand-spray-layer,
.hover-logo.is-coloring .brand-spray-layer {
  opacity: 1;
}

.hover-logo.is-fabricating .brand-spray-layer {
  filter: saturate(0.6) brightness(1.1);
}

.hover-logo.is-coloring .brand-spray-layer {
  filter: saturate(1.15) brightness(1.02);
}

.hero-brand-panel {
  position: sticky;
  top: 96px;
  z-index: 2;
}

.hero-brand-panel::after {
  content: "";
  position: absolute;
  inset: auto 28px 24px;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(15, 23, 42, 0.12), transparent);
  opacity: calc(0.2 + var(--fabrication-opacity, 0) * 0.8);
}

.hero-brand-panel::before {
  content: "";
  position: absolute;
  inset: 18px;
  border-radius: 34px;
  background:
    radial-gradient(circle at 12% 14%, rgba(255, 255, 255, 0.74), transparent 24%),
    radial-gradient(circle at 78% 26%, rgba(20, 184, 166, 0.12), transparent 20%),
    linear-gradient(90deg, rgba(15, 23, 42, 0.02), transparent 18%, rgba(15, 23, 42, 0.03) 50%, transparent 72%, rgba(15, 23, 42, 0.02)),
    linear-gradient(180deg, rgba(255, 255, 255, 0.32), rgba(255, 255, 255, 0));
  opacity: calc(0.42 + var(--fabrication-opacity, 0) * 0.42);
  pointer-events: none;
  mix-blend-mode: soft-light;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin-top: 2px;
}

.product-card {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 18px;
  align-items: center;
  padding: 18px;
  border-radius: 26px;
  cursor: pointer;
  text-align: left;
  color: var(--text);
  transition:
    transform 180ms ease,
    border-color 180ms ease,
    background 180ms ease;
}

.product-card:hover {
  transform: translateY(-2px);
  border-color: rgba(15, 118, 110, 0.3);
}

.product-visual {
  position: relative;
  display: block;
  width: 140px;
  height: 108px;
  border-radius: 22px;
  overflow: hidden;
  background:
    radial-gradient(circle at 40% 20%, rgba(255, 255, 255, 0.65), transparent 24%),
    linear-gradient(180deg, rgba(245, 248, 251, 0.98), rgba(220, 225, 233, 0.96));
}

.visual-shelf {
  background:
    radial-gradient(circle at 40% 20%, rgba(255, 255, 255, 0.74), transparent 24%),
    linear-gradient(180deg, rgba(244, 247, 250, 0.98), rgba(207, 214, 224, 0.92));
}

.visual-box {
  background:
    radial-gradient(circle at 40% 20%, rgba(255, 255, 255, 0.52), transparent 24%),
    linear-gradient(180deg, rgba(245, 248, 251, 0.98), rgba(220, 225, 233, 0.96));
}

.shelf-post,
.shelf-board,
.box-face {
  position: absolute;
  border-radius: 999px;
}

.visual-shelf .shelf-post {
  width: 7px;
  height: 74px;
  top: 18px;
  background: linear-gradient(180deg, var(--shelf-light), var(--shelf-dark));
  box-shadow: 0 0 0 1px rgba(15, 23, 42, 0.08) inset;
}

.visual-shelf .shelf-post.left {
  left: 28px;
}

.visual-shelf .shelf-post.right {
  right: 28px;
}

.visual-shelf .shelf-board {
  left: 20px;
  width: 100px;
  height: 12px;
  border-radius: 999px;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.74), transparent 30%),
    linear-gradient(180deg, var(--shelf-light), var(--shelf-base) 60%, var(--shelf-dark));
  box-shadow: 0 0 0 1px rgba(15, 23, 42, 0.07) inset;
}

.visual-shelf .shelf-board.top {
  top: 20px;
}

.visual-shelf .shelf-board.middle {
  top: 46px;
}

.visual-shelf .shelf-board.bottom {
  top: 72px;
}

.visual-box .box-face {
  border: 1px solid rgba(15, 23, 42, 0.08);
}

.visual-box .front {
  inset: 36px 22px 16px 18px;
  border-radius: 16px;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.22), transparent 28%),
    linear-gradient(180deg, #f8fafc, #b8c1cc 36%, #7f8a98);
}

.visual-box .side {
  top: 36px;
  right: 18px;
  width: 22px;
  height: 52px;
  transform: skewY(-43deg);
  transform-origin: left top;
  background: linear-gradient(180deg, #9aa4b2, #6d7684);
}

.visual-box .top {
  left: 34px;
  top: 18px;
  width: 72px;
  height: 22px;
  transform: skewX(-43deg);
  transform-origin: left bottom;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.84), transparent 24%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.54), rgba(255, 255, 255, 0.16)),
    linear-gradient(180deg, var(--clear), rgba(255, 255, 255, 0.08));
}

.product-text {
  display: grid;
  gap: 8px;
}

.product-text strong {
  font-size: 1.2rem;
}

.product-text span {
  color: var(--muted);
  line-height: 1.55;
}

.config-view {
  display: grid;
  gap: 18px;
  margin-top: 10px;
}

.config-topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

.back-link {
  border: 0;
  padding: 0;
  background: transparent;
  color: var(--text);
  cursor: pointer;
  font-weight: 600;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(340px, 0.92fr);
  gap: 22px;
  align-items: start;
}

.preview-card,
.config-card {
  border-radius: var(--radius-xl);
  padding: 24px;
}

.preview-header,
.group-head,
.price-card {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 16px;
}

.preview-header h3 {
  margin-top: 10px;
  font-size: 1.8rem;
}

.chip {
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.04);
  border: 1px solid rgba(15, 23, 42, 0.06);
  white-space: nowrap;
}

.scene {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 440px;
  margin-top: 18px;
  perspective: 1400px;
  overflow: hidden;
  border-radius: 28px;
  background:
    radial-gradient(circle at 50% 20%, rgba(15, 118, 110, 0.05), transparent 30%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.85), rgba(255, 255, 255, 0.55));
  border: 1px solid rgba(15, 23, 42, 0.06);
}

.preview-shell {
  position: relative;
  width: 360px;
  height: 260px;
  transform-style: preserve-3d;
}

.preview-shell[data-product="box"] .shelf-model {
  opacity: 0;
  pointer-events: none;
}

.preview-shell[data-product="shelf"] .box-model {
  opacity: 0;
  pointer-events: none;
}

.shelf-model,
.box-model {
  position: absolute;
  inset: 0;
  transition: opacity 220ms ease;
}

.shelf-model {
  transform: translateZ(0);
}

.shelf-model .shelf-post {
  position: absolute;
  top: 24px;
  width: 10px;
  height: 180px;
  border-radius: 999px;
  background: linear-gradient(180deg, var(--shelf-light), var(--shelf-dark));
  box-shadow:
    inset 0 0 0 1px rgba(15, 23, 42, 0.08),
    0 10px 30px rgba(15, 23, 42, 0.14);
}

.shelf-model .shelf-post.left {
  left: 76px;
}

.shelf-model .shelf-post.right {
  right: 76px;
}

.shelf-model .shelf-board {
  position: absolute;
  left: 44px;
  width: 272px;
  height: 18px;
  border-radius: 999px;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.74), transparent 26%),
    linear-gradient(180deg, var(--shelf-light), var(--shelf-base) 60%, var(--shelf-dark));
  box-shadow:
    inset 0 0 0 1px rgba(15, 23, 42, 0.08),
    0 16px 36px rgba(15, 23, 42, 0.14);
}

.shelf-model .shelf-board.top {
  top: 28px;
}

.shelf-model .shelf-board.middle {
  top: 88px;
}

.shelf-model .shelf-board.bottom {
  top: 148px;
}

.box-model {
  position: absolute;
  inset: 0;
  transform: rotateX(66deg) rotateZ(-22deg) translateY(-18px);
  transform-style: preserve-3d;
}

.box {
  position: absolute;
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid rgba(15, 23, 42, 0.08);
}

.box.front {
  inset: 34px 0 0 0;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.2), transparent 28%),
    linear-gradient(180deg, var(--box-light), var(--box-base) 26%, var(--box-dark));
  box-shadow:
    inset 0 0 0 1px rgba(15, 23, 42, 0.06),
    0 30px 50px rgba(15, 23, 42, 0.18);
}

.box.front::before {
  content: "";
  position: absolute;
  inset: 10px;
  border-radius: 14px;
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.16), transparent 20%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.06), rgba(15, 23, 42, 0.08));
  opacity: 0.8;
}

.box.side {
  top: 34px;
  right: -46px;
  width: 46px;
  height: 186px;
  transform: skewY(-45deg);
  transform-origin: left top;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.36), transparent 30%),
    linear-gradient(180deg, var(--box-base), var(--box-dark));
}

.box.top {
  left: 34px;
  top: 0;
  width: 286px;
  height: 34px;
  transform: skewX(-45deg);
  transform-origin: left bottom;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.84), transparent 24%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.54), rgba(255, 255, 255, 0.16)),
    linear-gradient(180deg, var(--clear), rgba(255, 255, 255, 0.08));
}

.gloss {
  position: absolute;
  inset: 44px 16px 18px;
  border-radius: 16px;
  background:
    linear-gradient(110deg, transparent 0 32%, rgba(255, 255, 255, 0.18) 38%, transparent 46%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.07), transparent);
  mix-blend-mode: screen;
  opacity: var(--finish-opacity);
}

.edge {
  position: absolute;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.46);
  opacity: 0.72;
}

.edge-top {
  width: 240px;
  height: 2px;
  top: 34px;
  left: 62px;
}

.edge-right {
  width: 2px;
  height: 150px;
  top: 54px;
  right: 12px;
}

.preview-footer {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-top: 18px;
}

.preview-spec {
  display: grid;
  gap: 6px;
  padding: 16px 18px;
  border-radius: var(--radius-md);
  background: rgba(15, 23, 42, 0.03);
  border: 1px solid rgba(15, 23, 42, 0.05);
}

.preview-spec span,
.group-head .hint,
.price-card p,
.config-group p,
.product-text span,
.hero-copy p {
  color: var(--muted);
}

.config-card {
  display: grid;
  gap: 18px;
}

.config-group {
  padding: 18px;
  border-radius: var(--radius-lg);
  background: rgba(15, 23, 42, 0.03);
  border: 1px solid rgba(15, 23, 42, 0.05);
}

.choice-stack {
  display: grid;
  gap: 10px;
  margin-top: 16px;
}

.choice-card {
  width: 100%;
  text-align: left;
  padding: 16px 18px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid rgba(15, 23, 42, 0.08);
  color: var(--text);
  cursor: pointer;
  transition:
    transform 180ms ease,
    border-color 180ms ease,
    background 180ms ease;
}

.choice-card strong {
  display: block;
  margin-bottom: 6px;
  font-size: 1rem;
}

.choice-card p {
  margin: 0;
  line-height: 1.5;
}

.choice-card.is-active,
.choice-card:hover {
  transform: translateY(-2px);
  border-color: rgba(15, 118, 110, 0.26);
  background: rgba(15, 118, 110, 0.07);
}

.swatch-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 16px;
}

.swatch {
  position: relative;
  overflow: hidden;
  min-height: 72px;
  padding: 12px;
  border-radius: 18px;
  border: 1px solid rgba(15, 23, 42, 0.12);
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.22), transparent 32%),
    linear-gradient(160deg, var(--swatch-light), var(--swatch-base) 58%, var(--swatch-dark));
  color: var(--swatch-text, var(--text));
  text-align: left;
  cursor: pointer;
  transition:
    transform 180ms ease,
    border-color 180ms ease,
    background 180ms ease;
}

.swatch:hover,
.option:hover,
.swatch:focus-visible,
.option:focus-visible,
.primary-btn:hover,
.ghost-btn:hover {
  transform: translateY(-2px);
}

.swatch.is-active {
  border-color: rgba(15, 118, 110, 0.45);
  background: rgba(15, 118, 110, 0.08);
  box-shadow: 0 0 0 1px rgba(15, 118, 110, 0.18) inset;
}

.swatch::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.16), rgba(255, 255, 255, 0) 46%),
    linear-gradient(180deg, rgba(0, 0, 0, 0), rgba(0, 0, 0, 0.15));
  pointer-events: none;
}

.swatch-name {
  display: block;
  position: relative;
  z-index: 1;
  font-size: 0.98rem;
  font-weight: 600;
  margin-top: 28px;
}

.swatch-meta {
  display: block;
  position: relative;
  z-index: 1;
  margin-top: 4px;
  font-size: 0.85rem;
  opacity: 0.78;
}

.qty-label {
  display: grid;
  gap: 10px;
  margin-top: 16px;
}

.qty-label input[type="range"] {
  width: 100%;
  accent-color: var(--accent);
}

.range-row {
  display: flex;
  justify-content: space-between;
  color: var(--muted);
  font-size: 0.9rem;
}

.price-card {
  display: flex;
  flex-direction: column;
  gap: 18px;
  padding: 18px;
  border-radius: var(--radius-lg);
  background:
    radial-gradient(circle at top right, rgba(20, 184, 166, 0.12), transparent 28%),
    rgba(255, 255, 255, 0.92);
  border: 1px solid rgba(15, 23, 42, 0.08);
}

.price-card h3 {
  font-size: 2.3rem;
  margin-top: 8px;
}

.price-card p {
  margin: 10px 0 0;
  line-height: 1.55;
}

.breakdown {
  display: grid;
  gap: 8px;
  padding: 12px 0;
  border-top: 1px solid rgba(15, 23, 42, 0.08);
  border-bottom: 1px solid rgba(15, 23, 42, 0.08);
  color: var(--muted);
  font-size: 0.92rem;
}

.breakdown div {
  display: flex;
  justify-content: space-between;
  gap: 10px;
}

.primary-btn,
.ghost-btn {
  width: 100%;
  padding: 15px 16px;
  border-radius: 16px;
  border: 0;
  cursor: pointer;
  transition:
    transform 180ms ease,
    background 180ms ease,
    border-color 180ms ease;
}

.primary-btn {
  color: #08111b;
  background: linear-gradient(135deg, #14b8a6, #7dd3fc);
  font-weight: 700;
}

.ghost-btn {
  color: var(--text);
  background: transparent;
  border: 1px solid rgba(15, 23, 42, 0.12);
}

.footer {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-top: 20px;
  margin-bottom: 24px;
  padding: 18px 22px;
  border-radius: var(--radius-xl);
}

.footer p {
  margin: 6px 0 0;
  color: var(--muted);
  line-height: 1.6;
}

[hidden] {
  display: none !important;
}

@media (max-width: 1100px) {
  .hero-banner,
  .product-grid,
  .hero {
    grid-template-columns: 1fr;
  }

  .hero-copy h2 {
    max-width: none;
  }
}

@media (max-width: 720px) {
  .topbar {
    flex-direction: column;
    gap: 16px;
    align-items: start;
  }

  .brand {
    gap: 14px;
    align-items: start;
  }

  .brand-mark {
    padding: 14px 16px;
    border-radius: 24px;
  }

  .brand-logo,
  .footer-logo {
    height: 58px;
  }

  .topbar-actions {
    width: 100%;
    justify-content: space-between;
  }

  .nav {
    gap: 18px;
    flex-wrap: wrap;
  }

  .product-card {
    grid-template-columns: 1fr;
    justify-items: start;
  }

  .hero-copy,
  .preview-card,
  .config-card,
  .product-card,
  .footer {
    border-radius: 22px;
  }

  .hero-copy,
  .preview-card,
  .config-card {
    padding: 18px;
  }

  .hero-brand-panel {
    min-height: 360px;
    padding: 18px 20px;
  }

  .hero-brand-logo {
    width: min(100%, 760px);
    max-height: 280px;
  }

  .hero-logo-stage {
    min-height: 230px;
  }

  .preview-footer,
  .swatch-grid {
    grid-template-columns: 1fr;
  }

  .scene {
    min-height: 360px;
  }

  .preview-shell {
    width: 300px;
    height: 220px;
  }

  .price-card h3 {
    font-size: 1.9rem;
  }
}