:root {
  --bg: #efe6d3;
  --bg-deep: #121913;
  --panel: rgba(255, 248, 236, 0.9);
  --panel-strong: #fff7ea;
  --line: rgba(69, 77, 59, 0.14);
  --ink: #172018;
  --ink-soft: #55604f;
  --ink-faint: #7b8475;
  --accent: #d9772d;
  --accent-deep: #ab5718;
  --accent-soft: #f7ddc5;
  --sage: #8fa074;
  --forest: #1d281f;
  --white: #fffdf8;
  --shadow-lg: 0 26px 70px rgba(29, 31, 21, 0.14);
  --shadow-md: 0 16px 36px rgba(29, 31, 21, 0.1);
  --radius-xl: 30px;
  --radius-lg: 22px;
  --radius-md: 16px;
  --radius-sm: 12px;
  --container: min(1220px, calc(100vw - 2rem));
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at top left, rgba(247, 194, 146, 0.34), transparent 28%),
    radial-gradient(circle at right 25%, rgba(143, 160, 116, 0.2), transparent 24%),
    linear-gradient(180deg, #f3ead9 0%, #eee4d1 48%, #f5ecdd 100%);
  color: var(--ink);
  font-family: "Outfit", "PingFang SC", "Microsoft YaHei", sans-serif;
  line-height: 1.55;
  overflow-x: hidden;
}

body.nav-open {
  overflow: hidden;
}

img {
  display: block;
  max-width: 100%;
}

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

button {
  font: inherit;
}

.container {
  width: var(--container);
  margin: 0 auto;
}

.topbar {
  background: var(--bg-deep);
  color: rgba(255, 250, 240, 0.84);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.topbar .container {
  padding: 0.7rem 0;
}

.bg-noise {
  position: fixed;
  inset: 0;
  opacity: 0.08;
  background-image:
    linear-gradient(rgba(27, 31, 24, 0.42) 1px, transparent 1px),
    linear-gradient(90deg, rgba(27, 31, 24, 0.42) 1px, transparent 1px);
  background-size: 28px 28px;
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.25), transparent 76%);
  pointer-events: none;
  z-index: -3;
}

.bg-orb {
  position: fixed;
  border-radius: 999px;
  filter: blur(90px);
  pointer-events: none;
  z-index: -2;
}

.bg-orb-a {
  top: -14vw;
  left: -12vw;
  width: 34vw;
  height: 34vw;
  background: rgba(229, 156, 95, 0.3);
}

.bg-orb-b {
  right: -10vw;
  top: 18vh;
  width: 32vw;
  height: 32vw;
  background: rgba(132, 156, 113, 0.24);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(14px);
  background: rgba(245, 236, 221, 0.72);
  border-bottom: 1px solid rgba(41, 50, 38, 0.08);
}

.nav-shell {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 80px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.9rem;
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: 16px;
  background: linear-gradient(145deg, var(--accent) 0%, var(--accent-deep) 100%);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.32);
  color: var(--white);
  font-family: "Bebas Neue", sans-serif;
  font-size: 1.7rem;
  letter-spacing: 0.06em;
}

.brand-copy {
  display: flex;
  flex-direction: column;
  gap: 0.08rem;
}

.brand-copy strong {
  font-size: 1rem;
  letter-spacing: 0.08em;
}

.brand-copy small {
  color: var(--ink-faint);
  font-size: 0.82rem;
}

.menu-toggle {
  display: none;
  width: 48px;
  height: 48px;
  border: 1px solid rgba(23, 32, 24, 0.12);
  border-radius: 14px;
  background: rgba(255, 250, 241, 0.72);
  align-items: center;
  justify-content: center;
  gap: 0.3rem;
  cursor: pointer;
  flex-direction: column;
}

.menu-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  border-radius: 999px;
  background: var(--ink);
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.nav-open .menu-toggle span:first-child {
  transform: translateY(2px) rotate(45deg);
}

.nav-open .menu-toggle span:last-child {
  transform: translateY(-3px) rotate(-45deg);
}

.header-nav {
  display: inline-flex;
  align-items: center;
  gap: 1.15rem;
  font-size: 0.95rem;
  color: var(--ink-soft);
}

.header-nav a:hover {
  color: var(--ink);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 46px;
  padding: 0.85rem 1.4rem;
  border: 1px solid transparent;
  border-radius: 999px;
  background: linear-gradient(145deg, var(--accent) 0%, var(--accent-deep) 100%);
  color: var(--white);
  font-weight: 700;
  box-shadow: 0 14px 26px rgba(171, 87, 24, 0.2);
  transition:
    transform 0.2s ease,
    box-shadow 0.2s ease,
    border-color 0.2s ease,
    background 0.2s ease;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 30px rgba(171, 87, 24, 0.24);
}

.btn-sm {
  min-height: 40px;
  padding: 0.66rem 1.05rem;
  font-size: 0.88rem;
}

.btn-ghost {
  background: transparent;
  border-color: rgba(23, 32, 24, 0.16);
  box-shadow: none;
  color: var(--ink);
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.55);
  box-shadow: none;
}

.btn-block {
  width: 100%;
}

main {
  padding: 1.4rem 0 5.8rem;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(0, 1fr);
  gap: 1.5rem;
  align-items: start;
}

.hero-copy {
  padding: 1rem 0.2rem 0;
}

.eyebrow,
.kicker,
.mini-label,
.config-kicker {
  margin: 0;
  font-size: 0.82rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-deep);
  font-weight: 700;
}

.hero h1,
.section-head h2,
.config-head h2,
.contact-card h2 {
  margin: 0;
  font-family: "Bebas Neue", sans-serif;
  letter-spacing: 0.02em;
  line-height: 0.95;
}

.hero h1 {
  margin-top: 0.8rem;
  font-size: clamp(4rem, 9vw, 7rem);
}

.hero h1 span {
  display: block;
  color: var(--accent-deep);
}

.hero-text {
  max-width: 40rem;
  margin: 1rem 0 0;
  font-size: 1.05rem;
  color: var(--ink-soft);
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-top: 1.35rem;
}

.trust-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin-top: 1rem;
}

.trust-row span {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 0.45rem 0.78rem;
  background: rgba(255, 255, 255, 0.56);
  border: 1px solid rgba(23, 32, 24, 0.08);
  color: var(--ink-soft);
  font-size: 0.9rem;
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.75rem;
  margin-top: 1.6rem;
}

.stat-grid article {
  padding: 1rem;
  border: 1px solid rgba(22, 30, 20, 0.1);
  border-radius: var(--radius-md);
  background: rgba(255, 252, 245, 0.62);
  box-shadow: var(--shadow-md);
}

.stat-grid span,
.proof-strip strong,
.accent-metrics strong {
  display: block;
  font-family: "Bebas Neue", sans-serif;
  letter-spacing: 0.03em;
}

.stat-grid span {
  font-size: 2rem;
  color: var(--forest);
}

.stat-grid p {
  margin: 0.15rem 0 0;
  color: var(--ink-soft);
}

.market-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin-top: 1rem;
}

.hero-notes {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.85rem;
  margin-top: 1.1rem;
}

.hero-notes article {
  padding: 1rem;
  border-radius: var(--radius-md);
  background: rgba(255, 252, 245, 0.68);
  border: 1px solid rgba(23, 32, 24, 0.08);
}

.hero-notes strong {
  display: block;
  margin-bottom: 0.35rem;
  font-size: 0.95rem;
}

.hero-notes p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.94rem;
}

.market-strip span,
.tag-list li,
.lineup-label {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 0.42rem 0.72rem;
  background: rgba(255, 250, 240, 0.84);
  border: 1px solid rgba(23, 32, 24, 0.1);
  color: var(--ink-soft);
}

.hero-stage {
  display: grid;
  gap: 1rem;
}

.stage-visual,
.config-panel,
.story-card,
.performance-layout,
.lineup-card,
.spec-table-wrap,
.wholesale-grid article,
.contact-card,
.faq-column details,
.proof-strip article,
.gallery {
  border: 1px solid var(--line);
  box-shadow: var(--shadow-lg);
}

.stage-visual {
  position: relative;
  margin: 0;
  min-height: 520px;
  overflow: hidden;
  border-radius: var(--radius-xl);
  background: linear-gradient(180deg, rgba(255, 249, 239, 0.9), rgba(232, 224, 206, 0.98));
}

.stage-visual::after {
  content: "";
  position: absolute;
  inset: auto -12% -34% auto;
  width: 420px;
  height: 420px;
  border-radius: 999px;
  background: rgba(217, 119, 45, 0.1);
  filter: blur(18px);
}

.stage-visual img {
  width: 100%;
  height: 520px;
  object-fit: cover;
  object-position: center;
}

.floating-card {
  position: absolute;
  max-width: 230px;
  padding: 0.95rem 1rem;
  border-radius: 18px;
  background: rgba(20, 28, 21, 0.82);
  color: rgba(255, 249, 237, 0.92);
  box-shadow: 0 18px 32px rgba(17, 19, 16, 0.26);
}

.floating-card strong {
  display: block;
  margin-bottom: 0.28rem;
  font-size: 0.95rem;
}

.floating-card p {
  margin: 0;
  font-size: 0.83rem;
  line-height: 1.45;
}

.floating-card-a {
  top: 1rem;
  left: 1rem;
}

.floating-card-b {
  right: 1rem;
  bottom: 1rem;
}

.config-panel {
  padding: 1.2rem;
  border-radius: var(--radius-lg);
  background: rgba(255, 248, 236, 0.88);
}

.config-head {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.config-head h2 {
  font-size: clamp(2.4rem, 5vw, 3.4rem);
}

.config-head small {
  color: var(--ink-faint);
  font-size: 0.94rem;
}

.variant-switch {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.6rem;
  margin-top: 1.15rem;
}

.variant {
  min-height: 54px;
  padding: 0.75rem 0.7rem;
  border: 1px solid rgba(26, 33, 24, 0.1);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.7);
  color: var(--ink-soft);
  cursor: pointer;
  transition:
    transform 0.2s ease,
    border-color 0.2s ease,
    background 0.2s ease,
    color 0.2s ease;
}

.variant:hover,
.variant.is-current {
  transform: translateY(-2px);
  border-color: rgba(171, 87, 24, 0.3);
  background: linear-gradient(180deg, #fff4e8 0%, #f7ddc5 100%);
  color: var(--ink);
}

.config-specs {
  display: grid;
  gap: 0.72rem;
  margin: 1.15rem 0 0;
}

.config-specs div {
  padding: 0.85rem 0.9rem;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.62);
}

.config-specs dt {
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

.config-specs dd {
  margin: 0.24rem 0 0;
  color: var(--ink);
  font-weight: 600;
}

.config-actions {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
  margin-top: 1rem;
}

.text-link {
  display: inline-flex;
  align-self: center;
  color: var(--accent-deep);
  font-weight: 700;
}

.proof-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.8rem;
  margin-top: 1.4rem;
}

.proof-strip article {
  padding: 1rem;
  border-radius: var(--radius-md);
  background: rgba(255, 251, 243, 0.76);
}

.proof-strip strong {
  font-size: 2rem;
  color: var(--accent-deep);
}

.proof-strip p {
  margin: 0.2rem 0 0;
  color: var(--ink-soft);
}

.section-head {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  margin-bottom: 1rem;
}

.section-head h2 {
  font-size: clamp(2.6rem, 5vw, 4.2rem);
}

.story,
.use-cases,
.performance,
.lineup,
.specs,
.gallery,
.wholesale,
.process,
.faq-contact {
  margin-top: 2rem;
}

.use-case-grid,
.process-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.95rem;
}

.use-case-card,
.process-card {
  padding: 1.2rem;
  border-radius: var(--radius-lg);
  background: rgba(255, 250, 241, 0.82);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-lg);
}

.use-case-card h3,
.process-card h3 {
  margin: 0.55rem 0 0.45rem;
  font-size: 1.45rem;
  line-height: 1.15;
}

.use-case-card p:last-child,
.process-card p {
  margin: 0;
  color: var(--ink-soft);
}

.process-card span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: 16px;
  background: linear-gradient(145deg, var(--accent) 0%, var(--accent-deep) 100%);
  color: var(--white);
  font-family: "Bebas Neue", sans-serif;
  font-size: 1.5rem;
  letter-spacing: 0.06em;
}

.story-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 0.95rem;
}

.story-card {
  margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.performance-shot {
  margin: 0;
}

.story-copy,
.story-dark,
.story-accent {
  padding: 1.25rem;
}

.story-copy {
  background: rgba(255, 250, 241, 0.75);
}

.story-copy h3,
.story-dark h3,
.story-accent h3,
.performance-points h3,
.lineup-card h3,
.wholesale-grid h3 {
  margin: 0.55rem 0 0.45rem;
  font-size: 1.45rem;
  line-height: 1.15;
}

.story-copy p:last-child,
.story-dark p,
.performance-points p,
.lineup-card p,
.gallery-copy p,
.wholesale-grid p,
.contact-card p,
.faq-column details p {
  color: var(--ink-soft);
}

.story-image img {
  width: 100%;
  height: 100%;
  min-height: 300px;
  object-fit: cover;
}

.story-dark {
  background: linear-gradient(180deg, #1b231d 0%, #101712 100%);
  color: rgba(255, 249, 237, 0.94);
}

.story-dark .mini-label,
.story-dark p,
.story-dark li {
  color: rgba(255, 249, 237, 0.76);
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 1rem 0 0;
  padding: 0;
  list-style: none;
}

.tag-list li {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.12);
  color: rgba(255, 249, 237, 0.88);
}

.story-accent {
  background: linear-gradient(155deg, #e18843 0%, #be6420 100%);
  color: var(--white);
}

.story-accent .mini-label {
  color: rgba(255, 244, 232, 0.9);
}

.story-accent p,
.story-accent span {
  color: rgba(255, 247, 237, 0.86);
}

.accent-metrics {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
  margin-top: 1rem;
}

.accent-metrics div {
  padding: 0.9rem;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.12);
}

.accent-metrics strong {
  font-size: 2.2rem;
}

.accent-metrics span {
  display: block;
}

.performance-layout {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 0;
  overflow: hidden;
  border-radius: var(--radius-xl);
  background: linear-gradient(130deg, #19221c 0%, #101611 100%);
}

.performance-shot img {
  width: 100%;
  height: 100%;
  min-height: 440px;
  object-fit: cover;
}

.performance-points {
  display: grid;
  gap: 0.75rem;
  padding: 1.15rem;
  color: rgba(255, 249, 237, 0.94);
}

.performance-points article {
  padding: 1rem;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.06);
}

.performance-points p {
  margin: 0;
  color: rgba(255, 249, 237, 0.72);
}

.lineup-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.95rem;
}

.lineup-card {
  padding: 1.2rem;
  border-radius: var(--radius-lg);
  background: rgba(255, 251, 243, 0.8);
}

.lineup-card.featured {
  background: linear-gradient(180deg, #fff1e1 0%, #f8dcc2 100%);
  transform: translateY(-8px);
}

.lineup-card ul {
  margin: 1rem 0 0;
  padding-left: 1.05rem;
  color: var(--ink-soft);
}

.lineup-card li + li {
  margin-top: 0.35rem;
}

.spec-table-wrap {
  overflow: auto;
  border-radius: var(--radius-lg);
  background: rgba(255, 250, 241, 0.88);
}

.spec-table {
  width: 100%;
  min-width: 760px;
  border-collapse: collapse;
}

.spec-table th,
.spec-table td {
  padding: 1rem;
  border-bottom: 1px solid rgba(27, 34, 25, 0.08);
}

.spec-table th {
  width: 17%;
  background: rgba(224, 211, 186, 0.45);
  text-align: left;
  font-size: 0.9rem;
  letter-spacing: 0.03em;
}

.spec-table td {
  width: 33%;
  color: var(--ink-soft);
}

.gallery {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 1rem;
  align-items: center;
  padding: 1.2rem;
  border-radius: var(--radius-xl);
  background: rgba(255, 250, 241, 0.78);
}

.gallery-copy h2 {
  margin: 0.2rem 0 0;
  font-family: "Bebas Neue", sans-serif;
  font-size: clamp(2.4rem, 5vw, 4rem);
  line-height: 0.96;
}

.gallery-copy p:last-child {
  margin-bottom: 0;
}

.thumb-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
}

.thumb {
  padding: 0;
  overflow: hidden;
  border: 2px solid transparent;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.66);
  cursor: pointer;
  transition:
    transform 0.2s ease,
    border-color 0.2s ease,
    box-shadow 0.2s ease;
}

.thumb img {
  width: 100%;
  aspect-ratio: 16 / 11;
  object-fit: cover;
}

.thumb:hover,
.thumb.is-active {
  transform: translateY(-2px);
  border-color: rgba(171, 87, 24, 0.32);
  box-shadow: 0 12px 22px rgba(31, 35, 28, 0.12);
}

.wholesale-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.95rem;
}

.wholesale-grid article {
  padding: 1.2rem;
  border-radius: var(--radius-lg);
  background: rgba(255, 250, 241, 0.82);
}

.faq-contact {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 1rem;
}

.faq-column details {
  margin-top: 0.7rem;
  padding: 1rem 1rem 1.05rem;
  border-radius: var(--radius-md);
  background: rgba(255, 250, 241, 0.82);
}

.faq-column summary {
  cursor: pointer;
  list-style: none;
  font-weight: 700;
}

.faq-column summary::-webkit-details-marker {
  display: none;
}

.faq-column details p {
  margin: 0.55rem 0 0;
}

.contact-card {
  padding: 1.35rem;
  border-radius: var(--radius-xl);
  background: linear-gradient(145deg, #161e18 0%, #0f1510 100%);
  color: rgba(255, 249, 237, 0.94);
}

.contact-card h2 {
  margin-top: 0.4rem;
  font-size: clamp(2.5rem, 5vw, 4.2rem);
}

.contact-card p,
.contact-list li {
  color: rgba(255, 249, 237, 0.76);
}

.quote-form {
  display: grid;
  gap: 0.85rem;
  margin-top: 1rem;
}

.field {
  display: grid;
  gap: 0.45rem;
}

.field span {
  color: rgba(255, 249, 237, 0.82);
  font-size: 0.86rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.field select,
.field textarea {
  width: 100%;
  border: 1px solid rgba(255, 249, 237, 0.16);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.08);
  color: var(--white);
  padding: 0.9rem 1rem;
  resize: vertical;
}

.field select option {
  color: var(--ink);
}

.field textarea::placeholder {
  color: rgba(255, 249, 237, 0.36);
}

.quote-summary {
  margin-top: 1rem;
  padding: 1rem;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.08);
  color: rgba(255, 249, 237, 0.92);
  font-weight: 500;
}

.contact-list {
  margin: 1rem 0 0;
  padding-left: 1rem;
}

.contact-list li + li {
  margin-top: 0.35rem;
}

.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 1.2rem;
}

.contact-card .btn-ghost {
  color: var(--white);
  border-color: rgba(255, 249, 237, 0.18);
  background: rgba(255, 255, 255, 0.06);
}

.contact-card .btn-ghost:hover {
  background: rgba(255, 255, 255, 0.12);
}

.site-footer {
  border-top: 1px solid rgba(23, 32, 24, 0.08);
  background: rgba(255, 248, 235, 0.72);
}

.footer-shell {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.1rem 0 1.6rem;
}

.footer-shell p {
  margin: 0.3rem 0 0;
  color: var(--ink-faint);
}

.footer-shell div:last-child {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 1rem;
  color: var(--ink-soft);
}

.mobile-sticky {
  position: fixed;
  left: 50%;
  bottom: 0.8rem;
  z-index: 50;
  display: none;
  gap: 0.45rem;
  padding: 0.35rem;
  border: 1px solid rgba(23, 32, 24, 0.12);
  border-radius: 999px;
  background: rgba(255, 250, 241, 0.94);
  box-shadow: var(--shadow-md);
  transform: translateX(-50%);
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition:
    opacity 0.7s ease,
    transform 0.7s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1080px) {
  .hero,
  .performance-layout,
  .gallery,
  .faq-contact {
    grid-template-columns: 1fr;
  }

  .hero-notes,
  .story-grid {
    grid-template-columns: 1fr 1fr;
  }

  .proof-strip,
  .use-case-grid,
  .lineup-grid,
  .process-grid,
  .wholesale-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 820px) {
  .site-header {
    position: static;
  }

  .menu-toggle {
    display: inline-flex;
  }

  .header-nav {
    position: fixed;
    top: 88px;
    right: 1rem;
    left: 1rem;
    z-index: 45;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0.7rem;
    padding: 1rem;
    border: 1px solid rgba(23, 32, 24, 0.12);
    border-radius: 22px;
    background: rgba(255, 250, 241, 0.98);
    box-shadow: var(--shadow-lg);
  }

  .nav-open .header-nav {
    display: flex;
  }

  .header-nav a {
    min-height: 44px;
    display: inline-flex;
    align-items: center;
  }

  .stat-grid,
  .hero-notes,
  .proof-strip,
  .use-case-grid,
  .lineup-grid,
  .process-grid,
  .wholesale-grid,
  .variant-switch,
  .story-grid {
    grid-template-columns: 1fr;
  }

  .lineup-card.featured {
    transform: none;
  }

  .hero h1 {
    font-size: clamp(3.4rem, 18vw, 5rem);
  }

  .section-head h2,
  .gallery-copy h2,
  .contact-card h2 {
    font-size: clamp(2.3rem, 12vw, 3.5rem);
  }

  .floating-card {
    position: static;
    max-width: none;
    margin: 0.8rem 0 0;
  }

  .stage-visual {
    padding: 0.8rem;
  }

  .stage-visual::after {
    display: none;
  }

  .stage-visual img {
    height: 380px;
    border-radius: 22px;
  }
}

@media (max-width: 640px) {
  .topbar {
    font-size: 0.7rem;
    letter-spacing: 0.05em;
  }

  .topbar .container {
    line-height: 1.45;
  }

  .nav-shell {
    min-height: 72px;
  }

  main {
    padding-bottom: 5.6rem;
  }

  .gallery,
  .config-panel,
  .story-copy,
  .story-dark,
  .story-accent,
  .lineup-card,
  .wholesale-grid article,
  .contact-card {
    padding: 1rem;
  }

  .mobile-sticky {
    display: inline-flex;
  }
}