:root {
  --paper: #f6f3ed;
  --ink: #171719;
  --muted: #68635f;
  --line: rgba(23, 23, 25, 0.12);
  --card: #ffffff;
  --blue: #5f96ff;
  --green: #43e680;
  --yellow: #ffe56d;
  --coral: #ff8a66;
  --violet: #c6a7ff;
  --radius: 8px;
  --shadow: 0 22px 70px rgba(33, 30, 25, 0.13);
  --max: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  text-rendering: optimizeLegibility;
}

body::selection {
  background: var(--green);
  color: var(--ink);
}

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

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

button,
input,
select {
  font: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
  padding: 14px clamp(18px, 5vw, 58px);
  background: rgba(246, 243, 237, 0.82);
  border-bottom: 1px solid transparent;
  backdrop-filter: blur(18px);
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
}

.site-header[data-elevated="true"] {
  border-color: var(--line);
  box-shadow: 0 10px 35px rgba(36, 32, 26, 0.08);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}

.brand-mark {
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  border-radius: 50%;
  background: var(--ink);
  color: #fff;
  font-weight: 760;
}

.brand strong,
.brand em {
  display: block;
  line-height: 1.1;
}

.brand strong {
  font-size: 15px;
  letter-spacing: 0.04em;
}

.brand em {
  margin-top: 4px;
  color: var(--muted);
  font-size: 11px;
  font-style: normal;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 5px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.54);
}

.main-nav a {
  padding: 8px 14px;
  border-radius: 999px;
  color: var(--muted);
  font-size: 14px;
  transition: background 0.2s ease, color 0.2s ease;
}

.main-nav a:hover {
  background: #fff;
  color: var(--ink);
}

.header-cta,
.button,
.mobile-contact {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  border: 1px solid var(--ink);
  border-radius: 999px;
  font-weight: 700;
  transition: transform 0.22s ease, box-shadow 0.22s ease, background 0.22s ease;
}

.header-cta {
  background: var(--green);
  box-shadow: 0 8px 24px rgba(67, 230, 128, 0.28);
}

.button:hover,
.header-cta:hover,
.mobile-contact:hover {
  transform: translateY(-2px);
}

.button.primary {
  background: var(--ink);
  color: #fff;
  box-shadow: 0 14px 35px rgba(23, 23, 25, 0.18);
}

.button.secondary {
  background: rgba(255, 255, 255, 0.68);
}

.button.whatsapp {
  width: 100%;
  background: var(--green);
}

.section-band {
  position: relative;
  max-width: var(--max);
  margin: 0 auto;
  padding: clamp(56px, 8vw, 104px) clamp(18px, 4vw, 38px);
}

.hero {
  display: grid;
  min-height: calc(100svh - 68px);
  grid-template-columns: minmax(0, 0.95fr) minmax(360px, 1.05fr);
  align-items: center;
  gap: clamp(28px, 5vw, 64px);
  overflow: hidden;
}

.hero-panel {
  position: absolute;
  top: 4%;
  right: -12vw;
  width: min(68vw, 860px);
  height: 78%;
  border-radius: 0 0 0 92px;
  background: var(--green);
  transform: rotate(-8deg);
  transform-origin: 60% 20%;
  z-index: -1;
}

.hero-panel::after {
  content: "";
  position: absolute;
  left: 8%;
  bottom: -22%;
  width: 46%;
  height: 50%;
  border-radius: 0 110px 0 0;
  background: var(--blue);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  width: max-content;
  gap: 8px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 760;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.eyebrow::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--coral);
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 760px;
  margin-bottom: 22px;
  font-size: clamp(43px, 6.3vw, 86px);
  line-height: 0.98;
  letter-spacing: 0;
}

h1 span {
  display: inline-block;
}

h2 {
  margin-bottom: 14px;
  font-size: clamp(30px, 4vw, 58px);
  line-height: 1.05;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 10px;
  font-size: 24px;
  line-height: 1.12;
}

p {
  color: var(--muted);
  font-size: 16px;
  line-height: 1.75;
}

.hero-copy p {
  max-width: 560px;
  font-size: 18px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 30px 0 28px;
}

.proof-strip {
  display: grid;
  max-width: 610px;
  grid-template-columns: repeat(3, 1fr);
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.56);
  overflow: hidden;
}

.proof-strip div {
  padding: 16px;
}

.proof-strip div + div {
  border-left: 1px solid var(--line);
}

.proof-strip dt {
  color: var(--muted);
  font-size: 11px;
  font-weight: 760;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.proof-strip dd {
  margin: 4px 0 0;
  font-size: 18px;
  font-weight: 780;
}

.hero-visual {
  position: relative;
  min-height: 660px;
}

.spotlight-card,
.floating-card {
  margin: 0;
  border: 12px solid #fff;
  border-radius: var(--radius);
  background: #fff;
  box-shadow: var(--shadow);
}

.spotlight-card {
  position: absolute;
  right: 10%;
  top: 4%;
  width: min(78%, 430px);
  transform: rotate(2deg);
}

.spotlight-card img {
  width: 100%;
  aspect-ratio: 4 / 5.2;
  object-fit: cover;
  object-position: center 18%;
}

.spotlight-card figcaption {
  padding: 18px 8px 8px;
}

.spotlight-card span,
.card-copy span,
.detail-item span,
.flow-step span,
.report-list span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.spotlight-card strong {
  display: block;
  margin-top: 6px;
  font-size: 22px;
}

.floating-card {
  position: absolute;
  width: 210px;
  border-width: 10px;
}

.floating-card img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
}

.card-a {
  left: 2%;
  top: 16%;
  transform: rotate(-8deg);
}

.card-b {
  right: 0;
  bottom: 6%;
  transform: rotate(9deg);
}

.ticker {
  overflow: hidden;
  border-block: 1px solid var(--line);
  background: #fff;
}

.ticker-track {
  display: flex;
  width: max-content;
  min-width: 200%;
  gap: 14px;
  padding: 14px 0;
  animation: ticker 28s linear infinite;
}

.ticker-track span {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 0 18px;
  border-radius: 999px;
  background: var(--paper);
  color: var(--ink);
  font-size: 14px;
  font-weight: 760;
  white-space: nowrap;
}

.section-head {
  max-width: 700px;
  margin-bottom: 28px;
}

.filter-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 24px;
}

.filter-chip {
  min-height: 44px;
  padding: 0 20px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.58);
  color: var(--muted);
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

.filter-chip:hover,
.filter-chip.is-active {
  background: var(--ink);
  color: #fff;
}

.deck-wrap {
  position: relative;
}

.product-deck {
  display: flex;
  gap: clamp(16px, 2.4vw, 28px);
  padding: 28px 4px 40px;
  overflow-x: auto;
  overflow-y: hidden;
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
}

.product-deck::-webkit-scrollbar {
  display: none;
}

.product-card {
  display: flex;
  flex: 0 0 clamp(280px, 31vw, 390px);
  min-height: 540px;
  flex-direction: column;
  scroll-snap-align: center;
  border-radius: var(--radius);
  background: #fff;
  box-shadow: 0 12px 40px rgba(30, 28, 24, 0.11);
  overflow: hidden;
  transform: rotate(var(--tilt));
  transform-origin: 50% 80%;
  transition: transform 0.28s ease, opacity 0.24s ease, box-shadow 0.28s ease;
}

.product-card:hover {
  transform: translateY(-8px) rotate(0deg);
  box-shadow: 0 24px 70px rgba(30, 28, 24, 0.16);
}

.product-card.is-hidden {
  display: none;
}

.product-card .media {
  display: grid;
  min-height: 310px;
  place-items: center;
  padding: 18px;
  background: var(--accent);
}

.product-card .media img {
  width: 100%;
  height: 285px;
  border-radius: 6px;
  object-fit: cover;
  object-position: center;
  background: #fff;
}

.feature-card .media img {
  height: 330px;
  object-position: center 18%;
}

.card-copy {
  display: flex;
  min-height: 224px;
  flex: 1;
  flex-direction: column;
  padding: 22px;
}

.card-copy p {
  margin-bottom: 18px;
}

.card-copy .color-label {
  margin: 0 0 10px;
  color: var(--muted);
  font-size: 0.92rem;
}

.card-copy .color-label strong {
  color: var(--ink);
  font-weight: 700;
}

.color-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 10px;
}

.color-swatch {
  width: 44px;
  height: 44px;
  padding: 0;
  border: 2px solid transparent;
  border-radius: 8px;
  overflow: hidden;
  background: #eee;
  cursor: pointer;
}

.color-swatch img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.color-swatch.is-active {
  border-color: var(--ink);
  box-shadow: 0 0 0 1px rgba(30, 28, 24, 0.2);
}

.card-copy a {
  margin-top: auto;
  color: var(--muted);
  font-weight: 760;
}

.deck-control {
  position: absolute;
  top: 50%;
  z-index: 3;
  display: grid;
  width: 50px;
  height: 50px;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.76);
  box-shadow: 0 12px 32px rgba(30, 28, 24, 0.12);
  cursor: pointer;
  font-size: 34px;
  transform: translateY(-50%);
}

.deck-control.prev {
  left: -18px;
}

.deck-control.next {
  right: -18px;
}

.details {
  max-width: none;
  background: #111;
  color: #fff;
}

.details .section-head,
.details .detail-grid {
  max-width: var(--max);
  margin-inline: auto;
}

.details p,
.details .eyebrow {
  color: rgba(255, 255, 255, 0.7);
}

.detail-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.detail-item {
  min-width: 0;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.06);
  overflow: hidden;
}

.detail-item img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
}

.detail-item div {
  padding: 20px;
}

.detail-item span {
  color: var(--green);
}

.detail-item p {
  margin-bottom: 0;
}

.buyer-flow {
  padding-bottom: 48px;
}

.flow-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.flow-step {
  min-height: 240px;
  padding: 24px;
  border-radius: var(--radius);
  background: #fff;
  box-shadow: 0 10px 34px rgba(30, 28, 24, 0.08);
}

.flow-step span {
  display: inline-flex;
  margin-bottom: 42px;
  color: var(--blue);
  font-size: 28px;
}

.flow-step p {
  margin-bottom: 0;
}

.report {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(320px, 1.05fr);
  gap: clamp(24px, 4vw, 54px);
  align-items: center;
}

.report-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.report-list div {
  min-height: 150px;
  padding: 22px;
  border-radius: var(--radius);
  background: #fff;
  box-shadow: 0 10px 34px rgba(30, 28, 24, 0.08);
}

.report-list strong {
  display: block;
  margin-top: 18px;
  font-size: clamp(28px, 4vw, 46px);
  line-height: 1;
}

.report-list em {
  display: block;
  margin-top: 12px;
  color: var(--muted);
  font-style: normal;
}

.contact-section {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 0.8fr);
  gap: clamp(24px, 4vw, 60px);
  align-items: start;
  padding-top: 44px;
}

.inquiry-form {
  display: grid;
  gap: 14px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  box-shadow: 0 12px 40px rgba(30, 28, 24, 0.1);
}

.inquiry-form label {
  display: grid;
  gap: 8px;
}

.inquiry-form label span {
  color: var(--muted);
  font-size: 13px;
  font-weight: 760;
}

.inquiry-form input,
.inquiry-form select {
  width: 100%;
  min-height: 46px;
  padding: 0 14px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--paper);
  color: var(--ink);
}

.inquiry-form input:focus,
.inquiry-form select:focus {
  border-color: var(--blue);
  outline: 3px solid rgba(95, 150, 255, 0.2);
}

.mobile-contact {
  position: fixed;
  right: 16px;
  bottom: max(16px, env(safe-area-inset-bottom));
  z-index: 30;
  display: none;
  background: var(--green);
  box-shadow: 0 12px 32px rgba(30, 28, 24, 0.16);
}

.has-js .reveal {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.7s ease, transform 0.7s ease;
  transition-delay: var(--delay, 0ms);
}

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

@keyframes ticker {
  from {
    transform: translateX(0);
  }
  to {
    transform: translateX(-50%);
  }
}

@media (max-width: 980px) {
  .main-nav {
    display: none;
  }

  .hero,
  .report,
  .contact-section {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
    padding-top: 44px;
  }

  .hero-panel {
    top: 42%;
    right: -18vw;
    width: 120vw;
    height: 48%;
  }

  .hero-visual {
    min-height: 620px;
  }

  .spotlight-card {
    right: 16%;
  }

  .detail-grid,
  .flow-grid {
    grid-template-columns: 1fr;
  }

  .deck-control {
    display: none;
  }
}

@media (max-width: 640px) {
  .site-header {
    padding: 10px 14px;
  }

  .brand em,
  .header-cta {
    display: none;
  }

  .section-band {
    padding-inline: 16px;
  }

  h1 {
    font-size: clamp(38px, 13vw, 55px);
  }

  h2 {
    font-size: clamp(30px, 9vw, 42px);
  }

  .hero-copy p {
    font-size: 16px;
  }

  .proof-strip {
    grid-template-columns: 1fr;
  }

  .proof-strip div + div {
    border-left: 0;
    border-top: 1px solid var(--line);
  }

  .hero-visual {
    min-height: 520px;
  }

  .spotlight-card {
    right: 2%;
    width: min(88vw, 360px);
    border-width: 9px;
  }

  .floating-card {
    width: 150px;
    border-width: 8px;
  }

  .card-a {
    left: -3%;
    top: 22%;
  }

  .card-b {
    right: -5%;
    bottom: 2%;
  }

  .filter-row {
    flex-wrap: nowrap;
    overflow-x: auto;
    padding-bottom: 8px;
  }

  .filter-chip {
    flex: 0 0 auto;
  }

  .product-deck {
    gap: 16px;
    margin-inline: -16px;
    padding-inline: 16px;
  }

  .product-card {
    flex-basis: 82vw;
    min-height: 520px;
    transform: rotate(0deg);
  }

  .product-card .media img {
    height: 260px;
  }

  .feature-card .media img {
    height: 300px;
  }

  .report-list {
    grid-template-columns: 1fr;
  }

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

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}