/* ONV 井岛新风 — original green visual system */
:root {
  --bg: #f3f7f5;
  --bg-deep: #0b1f1c;
  --ink: #10221e;
  --muted: #5a6f69;
  --line: rgba(16, 34, 30, 0.12);
  --mint: #1fa889;
  --mint-deep: #0d7a64;
  --lime: #b8e86a;
  --sky: #7ec8c3;
  --cream: #e8f3ee;
  --white: #ffffff;
  --shadow: 0 24px 60px rgba(11, 31, 28, 0.14);
  --radius: 20px;
  --font-display: var(--font-body);
  --font-body: "Microsoft YaHei", "PingFang SC", system-ui, sans-serif;
  --header-h: 72px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background:
    radial-gradient(1200px 600px at 10% -10%, rgba(31, 168, 137, 0.18), transparent 55%),
    radial-gradient(900px 500px at 100% 0%, rgba(184, 232, 106, 0.16), transparent 50%),
    linear-gradient(180deg, #eef6f2 0%, var(--bg) 28%, #e7f0ec 100%);
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

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

button,
input,
select {
  font: inherit;
}

.noise {
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 9998;
  opacity: 0.035;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.back-to-top {
  position: fixed;
  right: clamp(16px, 3vw, 32px);
  bottom: max(24px, env(safe-area-inset-bottom, 0px) + 16px);
  z-index: 80;
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  width: 52px;
  min-height: 52px;
  padding: 8px 6px;
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: 16px;
  color: var(--white);
  background: rgba(16, 34, 30, 0.88);
  box-shadow: 0 10px 28px rgba(11, 31, 28, 0.2);
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  pointer-events: none;
  transition: opacity 0.3s var(--ease), visibility 0.3s, transform 0.3s var(--ease), background 0.2s;
}

.back-to-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  pointer-events: auto;
}

.back-to-top:hover {
  background: var(--mint-deep);
}

.back-to-top:focus-visible {
  outline: 3px solid var(--lime);
  outline-offset: 3px;
}

.back-to-top span:first-child {
  font-size: 1.25rem;
  line-height: 1;
}

.back-to-top span:last-child {
  font-size: 0.75rem;
  line-height: 1.2;
}

.container {
  width: min(1120px, calc(100% - 40px));
  margin-inline: auto;
}

/* Header */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 clamp(16px, 4vw, 40px);
  transition: background 0.35s var(--ease), backdrop-filter 0.35s, box-shadow 0.35s;
}

.site-header.scrolled {
  background: rgba(243, 247, 245, 0.82);
  backdrop-filter: blur(16px);
  box-shadow: 0 1px 0 var(--line);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: 0.02em;
}

.brand-mark {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background:
    radial-gradient(circle at 35% 35%, var(--lime), transparent 45%),
    radial-gradient(circle at 70% 70%, var(--sky), transparent 50%),
    linear-gradient(135deg, var(--mint), var(--mint-deep));
  box-shadow: 0 0 0 3px rgba(31, 168, 137, 0.18);
  animation: breathe 4.5s ease-in-out infinite;
}

@keyframes breathe {
  0%, 100% { transform: scale(1); box-shadow: 0 0 0 3px rgba(31, 168, 137, 0.18); }
  50% { transform: scale(1.06); box-shadow: 0 0 0 8px rgba(31, 168, 137, 0.08); }
}

.brand-text em {
  font-style: normal;
  font-weight: 600;
  font-size: 0.72em;
  letter-spacing: 0.14em;
  color: var(--mint-deep);
  margin-left: 4px;
}

.nav {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav a {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--muted);
  transition: color 0.2s;
}

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

.nav-cta {
  padding: 10px 18px !important;
  border-radius: 999px;
  background: var(--ink);
  color: var(--white) !important;
}

.nav-cta:hover {
  background: var(--mint-deep) !important;
}

.menu-btn {
  display: none;
  width: 44px;
  height: 44px;
  border: 0;
  background: transparent;
  cursor: pointer;
  flex-direction: column;
  justify-content: center;
  gap: 7px;
}

.menu-btn span {
  display: block;
  height: 2px;
  width: 22px;
  background: var(--ink);
  transition: transform 0.3s var(--ease);
}

.menu-btn[aria-expanded="true"] span:first-child {
  transform: translateY(4.5px) rotate(45deg);
}

.menu-btn[aria-expanded="true"] span:last-child {
  transform: translateY(-4.5px) rotate(-45deg);
}

.menu-backdrop {
  display: none;
}

/* Hero — one composition, brand first, full-bleed */
.hero {
  position: relative;
  min-height: 100svh;
  display: grid;
  align-items: end;
  color: var(--white);
  overflow: hidden;
}

.hero-media {
  position: absolute;
  inset: 0;
}

.hero-img {
  width: 100%;
  height: 100%;
  transform: scale(1.06);
  animation: heroDrift 18s ease-in-out infinite alternate;
}

@keyframes heroDrift {
  from { transform: scale(1.06) translate3d(0, 0, 0); }
  to { transform: scale(1.12) translate3d(-1.5%, -1%, 0); }
}

.hero-veil {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(11, 31, 28, 0.35) 0%, rgba(11, 31, 28, 0.15) 35%, rgba(11, 31, 28, 0.72) 100%),
    linear-gradient(90deg, rgba(11, 31, 28, 0.55) 0%, transparent 55%);
}

.hero-content {
  position: relative;
  z-index: 2;
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
  padding: 0 0 clamp(88px, 14vh, 140px);
}

.hero-brand {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 2.6vw, 1.85rem);
  font-weight: 700;
  letter-spacing: 0.08em;
  opacity: 0;
  animation: rise 0.9s var(--ease) 0.15s forwards;
}

.hero-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.8rem, 8vw, 5.6rem);
  line-height: 1.05;
  letter-spacing: -0.03em;
  max-width: 10ch;
  opacity: 0;
  animation: rise 0.9s var(--ease) 0.28s forwards;
}

.hero-desc {
  margin: 22px 0 0;
  max-width: 34rem;
  font-size: clamp(1rem, 1.5vw, 1.15rem);
  font-weight: 300;
  color: rgba(255, 255, 255, 0.88);
  opacity: 0;
  animation: rise 0.9s var(--ease) 0.42s forwards;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
  opacity: 0;
  animation: rise 0.9s var(--ease) 0.55s forwards;
}

@keyframes rise {
  from { opacity: 0; transform: translateY(28px); }
  to { opacity: 1; transform: translateY(0); }
}

.hero-scroll {
  position: absolute;
  right: clamp(16px, 4vw, 40px);
  bottom: 36px;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  writing-mode: vertical-rl;
  opacity: 0.75;
}

.hero-scroll i {
  width: 1px;
  height: 48px;
  background: linear-gradient(transparent, #fff);
  animation: scrollLine 1.8s ease-in-out infinite;
}

@keyframes scrollLine {
  0% { transform: scaleY(0.4); opacity: 0.3; transform-origin: top; }
  50% { transform: scaleY(1); opacity: 1; }
  100% { transform: scaleY(0.4); opacity: 0.3; transform-origin: bottom; }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.25s var(--ease), background 0.25s, color 0.25s, border-color 0.25s;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn:disabled {
  cursor: wait;
  opacity: 0.65;
  transform: none;
}

.btn-primary {
  background: var(--lime);
  color: var(--bg-deep);
}

.btn-primary:hover {
  background: #c8f07d;
}

.btn-ghost {
  border-color: rgba(255, 255, 255, 0.45);
  color: #fff;
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(8px);
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.18);
}

/* Sections */
.section {
  padding: clamp(72px, 12vw, 128px) 0;
}

.section-head {
  max-width: 640px;
  margin-bottom: clamp(40px, 6vw, 64px);
}

.section-head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(2rem, 4.8vw, 3.4rem);
  line-height: 1.15;
  letter-spacing: -0.03em;
  font-weight: 800;
}

.eyebrow {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--mint-deep);
}

.eyebrow.light,
.section-head.light .eyebrow {
  color: var(--lime);
}

.lead {
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 1.05rem;
}

.lead.light {
  color: rgba(255, 255, 255, 0.78);
}

.section-head.light h2 {
  color: #fff;
}

/* Why */
.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.why-item {
  padding: 8px 0 0;
  border-top: 1px solid var(--line);
}

.why-num {
  display: block;
  margin-bottom: 18px;
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--mint);
  letter-spacing: 0.08em;
}

.why-item h3 {
  margin: 0 0 10px;
  font-size: 1.25rem;
  font-weight: 700;
}

.why-item p {
  margin: 0;
  color: var(--muted);
}

/* Product */
.product-showcase {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: clamp(28px, 5vw, 56px);
  align-items: center;
  margin-bottom: clamp(40px, 7vw, 72px);
}

.product-visual {
  position: relative;
  border-radius: calc(var(--radius) + 8px);
  overflow: hidden;
  min-height: 420px;
  background: var(--cream);
  box-shadow: var(--shadow);
}

.product-visual img {
  width: 100%;
  height: 100%;
  min-height: 420px;
  object-fit: cover;
  object-position: center;
}

.aqi-pill {
  position: absolute;
  left: 20px;
  bottom: 20px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(10px);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--ink);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.12);
}

.aqi-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--mint);
  box-shadow: 0 0 0 0 rgba(31, 168, 137, 0.5);
  animation: pulseDot 2s infinite;
}

@keyframes pulseDot {
  0% { box-shadow: 0 0 0 0 rgba(31, 168, 137, 0.45); }
  70% { box-shadow: 0 0 0 10px rgba(31, 168, 137, 0); }
  100% { box-shadow: 0 0 0 0 rgba(31, 168, 137, 0); }
}

.product-tag {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--mint-deep);
}

.product-copy h3 {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  font-weight: 800;
}

.product-copy > p {
  margin: 0 0 22px;
  color: var(--muted);
}

.spec-list {
  list-style: none;
  margin: 0 0 28px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.spec-list li {
  display: flex;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
}

.spec-list strong {
  min-width: 3.2em;
  color: var(--ink);
}

.product-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.p-card {
  overflow: hidden;
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.55);
  border: 1px solid rgba(255, 255, 255, 0.7);
  transition: transform 0.35s var(--ease), box-shadow 0.35s;
}

.p-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow);
}

.p-card-media {
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--cream);
}

.p-card-media img {
  width: 100%;
  height: 100%;
  min-height: 200px;
  object-fit: cover;
  object-position: center;
  transition: transform 0.7s var(--ease);
}

.p-card:hover .p-card-media img {
  transform: scale(1.06);
}

.p-card-body {
  padding: 22px 22px 26px;
}

.p-card-body h3 {
  margin: 0 0 8px;
  font-size: 1.25rem;
}

.p-card-body p {
  margin: 0 0 16px;
  color: var(--muted);
  font-size: 0.95rem;
}

.price {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--mint-deep);
}

.stand-product {
  margin-top: clamp(40px, 7vw, 72px);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  align-items: center;
  padding: clamp(20px, 4vw, 36px);
  border-radius: calc(var(--radius) + 8px);
  background:
    linear-gradient(135deg, rgba(184, 232, 106, 0.22), rgba(126, 200, 195, 0.18)),
    rgba(255, 255, 255, 0.55);
  border: 1px solid rgba(255, 255, 255, 0.75);
}

.stand-copy h3 {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2.1rem);
  font-weight: 800;
}

.stand-copy p:last-child {
  margin: 0;
  color: var(--muted);
}

.stand-media {
  border-radius: var(--radius);
  overflow: hidden;
  min-height: 280px;
  background: #fff8d6;
}

.stand-media img {
  width: 100%;
  height: 100%;
  min-height: 280px;
  object-fit: cover;
  object-position: 70% center;
}

/* Tech */
.tech {
  position: relative;
  color: #fff;
  overflow: hidden;
}

.tech-bg {
  position: absolute;
  inset: 0;
}

.tech-bg img {
  width: 100%;
  height: 100%;
  filter: saturate(0.85) brightness(0.55);
}

.tech-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(11, 31, 28, 0.55), rgba(11, 31, 28, 0.82)),
    radial-gradient(600px 300px at 80% 20%, rgba(31, 168, 137, 0.35), transparent);
}

.tech .container {
  position: relative;
  z-index: 1;
}

.tech-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.tech-card {
  padding: 28px 22px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.06);
  backdrop-filter: blur(10px);
  transition: background 0.3s, transform 0.3s var(--ease);
}

.tech-card:hover {
  background: rgba(255, 255, 255, 0.12);
  transform: translateY(-4px);
}

.tech-icon {
  font-size: 1.4rem;
  color: var(--lime);
  margin-bottom: 18px;
}

.tech-card h3 {
  margin: 0 0 10px;
  font-size: 1.15rem;
}

.tech-card p {
  margin: 0;
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.95rem;
}

/* Life rail */
.life .container {
  margin-bottom: 28px;
}

.life-rail {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(280px, 32vw);
  gap: 16px;
  overflow-x: auto;
  padding: 8px clamp(20px, 4vw, 40px) 24px;
  scroll-snap-type: x mandatory;
  scrollbar-width: thin;
}

.life-slide {
  position: relative;
  scroll-snap-align: start;
  border-radius: var(--radius);
  overflow: hidden;
  min-height: 420px;
}

.life-slide img {
  width: 100%;
  height: 100%;
  min-height: 420px;
}

.life-caption {
  position: absolute;
  inset: auto 0 0 0;
  padding: 28px 22px;
  background: linear-gradient(transparent, rgba(11, 31, 28, 0.85));
  color: #fff;
}

.life-caption h3 {
  margin: 0 0 6px;
  font-size: 1.2rem;
}

.life-caption p {
  margin: 0;
  color: rgba(255, 255, 255, 0.78);
  font-size: 0.92rem;
}

/* Stories */
.story-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.story {
  margin: 0;
  padding: 28px;
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.65);
  border: 1px solid rgba(255, 255, 255, 0.8);
}

.story-accent {
  background: linear-gradient(160deg, rgba(31, 168, 137, 0.92), rgba(13, 122, 100, 0.95));
  color: #fff;
  border-color: transparent;
}

.story-accent p,
.story-accent footer span {
  color: rgba(255, 255, 255, 0.9);
}

.story > p {
  margin: 0 0 24px;
  font-size: 1.08rem;
  line-height: 1.7;
}

.story footer {
  display: flex;
  align-items: center;
  gap: 12px;
}

.story footer img {
  width: 44px;
  height: 44px;
  border-radius: 50%;
}

.story footer strong {
  display: block;
  font-size: 0.95rem;
}

.story footer span {
  font-size: 0.8rem;
  color: var(--muted);
}

.section-more {
  display: flex;
  justify-content: center;
  margin-top: clamp(28px, 5vw, 40px);
}

.btn-more {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--line);
  padding: 0 28px;
}

.btn-more:hover {
  background: var(--ink);
  color: #fff;
  border-color: var(--ink);
}

/* FAQ page */
.page-faq .faq-main {
  padding-top: calc(var(--header-h) + 24px);
}

.faq-hero {
  padding: clamp(28px, 6vw, 56px) 0 12px;
}

.faq-hero h1 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3.4rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.15;
}

.faq-back {
  display: inline-block;
  margin-bottom: 18px;
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--mint-deep);
}

.faq-toolbar {
  margin-top: 28px;
  display: grid;
  gap: 16px;
}

.faq-search input {
  width: 100%;
  min-height: 52px;
  padding: 0 18px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.75);
  outline: none;
}

.faq-search input:focus {
  border-color: var(--mint);
  box-shadow: 0 0 0 3px rgba(31, 168, 137, 0.15);
}

.faq-cats {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.faq-cat {
  min-height: 36px;
  padding: 0 14px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.55);
  color: var(--muted);
  font-weight: 500;
  cursor: pointer;
  transition: background 0.2s, color 0.2s, border-color 0.2s;
}

.faq-cat:hover {
  color: var(--ink);
}

.faq-cat.is-active {
  background: var(--ink);
  border-color: var(--ink);
  color: #fff;
}

.faq-count {
  margin: 18px 0 0;
  font-size: 0.9rem;
  color: var(--muted);
}

.faq-list-wrap {
  padding: 12px 0 clamp(72px, 12vw, 120px);
}

.faq-list {
  display: grid;
  gap: 10px;
}

.faq-item {
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid rgba(255, 255, 255, 0.85);
  overflow: hidden;
}

.faq-item summary {
  list-style: none;
  cursor: pointer;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 12px;
  align-items: center;
  padding: 18px 20px;
  font-weight: 600;
}

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

.faq-item[open] {
  box-shadow: var(--shadow);
  border-color: rgba(31, 168, 137, 0.25);
}

.faq-id {
  font-family: var(--font-display);
  font-size: 0.85rem;
  color: var(--mint);
  letter-spacing: 0.04em;
}

.faq-q {
  line-height: 1.45;
}

.faq-tag {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--mint-deep);
  background: rgba(31, 168, 137, 0.12);
  padding: 4px 10px;
  border-radius: 999px;
  white-space: nowrap;
}

.faq-body {
  padding: 0 20px 20px;
  border-top: 1px solid var(--line);
}

.faq-body p {
  margin: 14px 0 0;
  color: var(--muted);
}

.faq-tip {
  font-size: 0.9rem;
  color: var(--mint-deep) !important;
}

.faq-empty {
  text-align: center;
  color: var(--muted);
  padding: 40px 0;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

/* Contact */
.contact {
  position: relative;
  overflow: hidden;
  color: #fff;
}

.contact-bg {
  position: absolute;
  inset: 0;
}

.contact-bg img {
  width: 100%;
  height: 100%;
  filter: brightness(0.45) saturate(0.9);
}

.contact-veil {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(11, 31, 28, 0.82) 0%, rgba(11, 31, 28, 0.45) 70%, rgba(11, 31, 28, 0.3) 100%);
}

.contact-inner {
  position: relative;
  z-index: 1;
  max-width: 640px;
}

.contact-form {
  margin-top: 32px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.contact-form label {
  display: grid;
  gap: 8px;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.75);
}

.contact-form label.full,
.contact-form .full {
  grid-column: 1 / -1;
}

.contact-form input,
.contact-form select {
  width: 100%;
  min-height: 48px;
  padding: 0 14px;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
  outline: none;
}

.contact-form input::placeholder {
  color: rgba(255, 255, 255, 0.45);
}

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

.contact-form input:focus,
.contact-form select:focus {
  border-color: var(--lime);
  background: rgba(255, 255, 255, 0.16);
}

.form-note {
  grid-column: 1 / -1;
  margin: 4px 0 0;
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.55);
}

.form-trap {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

/* Footer */
.site-footer {
  background: var(--bg-deep);
  color: rgba(255, 255, 255, 0.78);
  padding: 64px 0 28px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr repeat(3, 1fr);
  gap: 28px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand .brand-text {
  color: #fff;
}

.footer-brand .brand-text em {
  color: var(--sky);
}

.footer-brand p {
  margin: 14px 0 0;
  max-width: 28ch;
}

.site-footer h4 {
  margin: 0 0 14px;
  color: #fff;
  font-size: 0.9rem;
  letter-spacing: 0.08em;
}

.site-footer a,
.site-footer p {
  display: block;
  margin: 0 0 8px;
  font-size: 0.92rem;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  padding-top: 22px;
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.45);
}

.footer-meta {
  display: inline-flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-meta a {
  display: inline;
  margin: 0;
  color: rgba(255, 255, 255, 0.78);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.footer-meta a:hover,
.footer-meta a:focus-visible {
  color: var(--white);
}

/* Reveal */
.reveal {
  opacity: 0;
  transform: translateY(36px);
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
}

.reveal.in {
  opacity: 1;
  transform: none;
}

/* Toast */
.toast {
  position: fixed;
  left: 50%;
  bottom: 28px;
  transform: translate(-50%, 20px);
  z-index: 200;
  padding: 14px 22px;
  border-radius: 999px;
  background: var(--ink);
  color: #fff;
  font-size: 0.92rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s, transform 0.3s var(--ease);
  box-shadow: var(--shadow);
}

.toast.show {
  opacity: 1;
  transform: translate(-50%, 0);
}

/* Success modal */
body.modal-open {
  overflow: hidden;
}

.success-modal {
  position: fixed;
  inset: 0;
  z-index: 300;
  display: grid;
  place-items: center;
  padding: 24px;
  background: rgba(11, 31, 28, 0.58);
  backdrop-filter: blur(6px);
}

.success-modal[hidden] {
  display: none;
}

.success-modal-card {
  position: relative;
  width: min(100%, 440px);
  padding: 40px 32px 32px;
  border: 1px solid rgba(255, 255, 255, 0.75);
  border-radius: 24px;
  background: var(--white);
  color: var(--ink);
  text-align: center;
  box-shadow: 0 24px 80px rgba(11, 31, 28, 0.28);
}

.success-modal-close {
  position: absolute;
  top: 12px;
  right: 12px;
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border: 0;
  border-radius: 50%;
  background: transparent;
  color: var(--muted);
  font-size: 1.75rem;
  line-height: 1;
  cursor: pointer;
}

.success-modal-close:hover,
.success-modal-close:focus-visible {
  background: var(--cream);
  color: var(--ink);
  outline: none;
}

.success-modal-icon {
  display: grid;
  place-items: center;
  width: 56px;
  height: 56px;
  margin: 0 auto 18px;
  border-radius: 50%;
  background: var(--lime);
  color: var(--bg-deep);
  font-size: 1.8rem;
  font-weight: 700;
}

.success-modal-card h2 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: 1.5rem;
}

.success-modal-card p {
  margin: 0;
  color: var(--muted);
}

.success-modal-action {
  width: 100%;
  margin-top: 24px;
}

/* Responsive */
@media (max-width: 960px) {
  .why-grid,
  .product-cards,
  .tech-grid,
  .story-grid {
    grid-template-columns: 1fr 1fr;
  }

  .product-showcase,
  .footer-grid,
  .stand-product {
    grid-template-columns: 1fr;
  }

  .tech-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .menu-btn {
    display: flex;
  }

  .nav {
    position: fixed;
    inset: var(--header-h) 16px auto;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 12px;
    border-radius: 16px;
    background: rgba(243, 247, 245, 0.96);
    backdrop-filter: blur(16px);
    box-shadow: var(--shadow);
  }

  .nav.open {
    display: flex;
  }

  .nav a {
    padding: 14px 12px;
    border-radius: 10px;
  }

  .nav-cta {
    text-align: center;
    margin-top: 6px;
  }

  .why-grid,
  .product-cards,
  .tech-grid,
  .story-grid,
  .contact-form {
    grid-template-columns: 1fr;
  }

  body.menu-open {
    overflow: hidden;
  }

  .menu-backdrop {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 90;
    background: rgba(11, 31, 28, 0.35);
  }

  body.menu-open .menu-backdrop {
    display: block;
  }

  .hero-scroll {
    display: none;
  }

  .life-slide,
  .life-slide img,
  .product-visual,
  .product-visual img {
    min-height: 320px;
  }
  /* FAQ mobile */
  .page-faq .faq-main {
    padding-top: calc(var(--header-h) + env(safe-area-inset-top, 0) + 12px);
  }

  .faq-hero {
    padding: 20px 0 8px;
  }

  .faq-hero h1 {
    font-size: clamp(1.8rem, 8vw, 2.4rem);
  }

  .faq-cats {
    gap: 8px;
    flex-wrap: nowrap;
    overflow-x: auto;
    padding-bottom: 4px;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }

  .faq-cats::-webkit-scrollbar {
    display: none;
  }

  .faq-cat {
    flex: 0 0 auto;
    min-height: 40px;
  }

  .faq-search input {
    min-height: 48px;
    font-size: 16px;
  }

  .faq-item summary {
    grid-template-columns: auto 1fr;
    gap: 8px 12px;
    padding: 16px;
    align-items: start;
  }

  .faq-q {
    font-size: 0.95rem;
  }

  .faq-tag {
    grid-column: 2;
    justify-self: start;
  }

  .faq-body {
    padding: 0 16px 16px;
  }

  .faq-id {
    margin-top: 2px;
  }
}

/* Focused ONV update: retain the original green palette and section layout. */
[hidden] { display: none !important; }
:focus-visible { outline: 3px solid var(--mint); outline-offset: 4px; }
[id] { scroll-margin-top: calc(var(--header-h) + 24px); }
#top { scroll-margin-top: 0; }
.skip-link { position: fixed; top: -100px; left: 16px; z-index: 10000; padding: 12px 20px; background: var(--white); border-radius: 10px; color: var(--ink); }
.skip-link:focus { top: 12px; }
.brand-logo { width: 128px; height: 72px; object-fit: cover; object-position: center; flex-shrink: 0; }
.footer-brand .brand-logo { width: 144px; height: 82px; }
.site-header:not(.scrolled) .nav a:not(.nav-cta) { color: rgba(255, 255, 255, .9); }
.site-header:not(.scrolled) .menu-btn span { background: var(--white); }
.site-header .nav.open a:not(.nav-cta) { color: var(--ink); }
.product-visual { min-height: 0; background: #e7eee4; }
.product-visual img { height: auto; min-height: 0; aspect-ratio: 1; object-fit: cover; }
.p-card-media { background: #e7eee4; }
.p-card-media img { object-fit: cover; min-height: 0; }
.p-card-body .price { font-size: 1.1rem; }
.card-link { display: inline-block; margin-left: 12px; font-size: .82rem; color: var(--mint-deep); border-bottom: 1px solid currentColor; }
.price-caption { display: block; margin-top: 6px; color: var(--muted); font-size: .76rem; }
.selector-intro { color: var(--muted); font-size: .95rem; }
.series-options { margin: 22px 0 18px; padding: 0; border: 0; display: flex; flex-wrap: wrap; gap: 8px; }
.series-options legend { margin-bottom: 8px; font-size: .8rem; color: var(--muted); }
.series-options label { position: relative; cursor: pointer; }
.series-options input { position: absolute; width: 1px; height: 1px; opacity: 0; }
.series-options span { display: block; padding: 8px 13px; border: 1px solid var(--line); border-radius: 999px; font-size: .83rem; background: rgba(255,255,255,.6); }
.series-options input:checked + span { background: var(--ink); color: var(--white); border-color: var(--ink); }
.series-options input:focus-visible + span { outline: 3px solid var(--mint); outline-offset: 3px; }
.selector-controls { display: grid; grid-template-columns: 1fr 1.5fr; gap: 14px; }
.selector-controls label { min-width: 0; display: grid; gap: 6px; }
.selector-controls label > span { font-size: .8rem; color: var(--muted); }
.selector-controls select { width: 100%; min-height: 46px; padding: 8px 10px; border: 1px solid var(--line); border-radius: 10px; background: rgba(255,255,255,.8); color: var(--ink); font-size: .85rem; }
.selector-install { grid-column: 1 / -1; }
.selection-result { min-width: 0; padding: 24px; border-radius: var(--radius); background: rgba(255,255,255,.78); }
.selection-result h4 { margin: 0; font: 800 clamp(1.7rem, 3vw, 2.3rem)/1.2 var(--font-display); overflow-wrap: anywhere; }
.selection-price { margin: 14px 0 6px; display: flex; align-items: baseline; flex-wrap: wrap; gap: 12px; }
.selection-price strong { font-family: var(--font-display); font-size: 1.6rem; color: var(--mint-deep); }
.selection-price span, .selection-panel, .selection-description { font-size: .85rem; color: var(--muted); }
.selection-panel { margin: 0 0 12px; }
.selection-description { margin: 0; }
.selected-specs { margin: 18px 0; display: grid; gap: 10px; }
.selected-specs > div { display: grid; grid-template-columns: 5em 1fr; gap: 12px; border-bottom: 1px solid var(--line); padding-bottom: 10px; font-size: .85rem; }
.selected-specs dt { color: var(--muted); }
.selected-specs dd { margin: 0; font-weight: 600; overflow-wrap: anywhere; }
.selection-note { margin: 0 0 20px; color: var(--muted); font-size: .78rem; }
.service-symbol { width: 44px; height: 44px; flex-shrink: 0; display: grid; place-items: center; border-radius: 50%; background: var(--cream); color: var(--mint-deep); font-family: var(--font-display); font-size: 1.2rem; font-weight: 700; }
.consult-selection { margin: 0; color: var(--lime); overflow-wrap: anywhere; }
.reveal { opacity: 1; transform: none; }
.js .reveal:not(.in) { opacity: 0; transform: translateY(36px); }
@media (min-width: 769px) and (max-width: 1000px) { .nav { gap: 18px; } }
@media (max-width: 768px) {
  .brand-logo { width: 104px; height: 60px; }
  .selection-result { padding: 20px; }
  .selector-controls { grid-template-columns: 1fr; }
  .card-link { margin-left: 16px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .hero-brand, .hero-title, .hero-desc, .hero-actions, .js .reveal:not(.in) { opacity: 1; transform: none; }
}