:root {
  --bg: #f5f5f7;
  --surface: #ffffff;
  --surface-soft: #fbfbfd;
  --text: #1d1d1f;
  --muted: #6e6e73;
  --line: #d2d2d7;
  --brand: #0a84ff;
  --brand-strong: #0066cc;
  --radius-lg: 20px;
  --radius-md: 14px;
  --shadow-sm: 0 2px 12px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 10px 30px rgba(0, 0, 0, 0.08);
  --container: 1160px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(1000px 600px at 10% -10%, #ffffff 0%, transparent 60%),
    radial-gradient(800px 500px at 90% 0%, #f0f6ff 0%, transparent 55%),
    var(--bg);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.5;
}

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

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

h1,
h2,
h3,
h4 {
  margin: 0;
  line-height: 1.1;
  letter-spacing: -0.02em;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

p {
  margin: 0;
}

.hero,
.page-hero,
.section,
.footer {
  padding-left: 6vw;
  padding-right: 6vw;
}

.hero,
.page-hero {
  position: relative;
}

.nav {
  max-width: var(--container);
  margin: 0 auto;
  min-height: 82px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  flex-wrap: wrap;
  padding: 12px 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.brand img {
  width: 56px;
  height: 56px;
  object-fit: contain;
}

.brand span {
  font-size: 22px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 20px;
  color: var(--muted);
  font-size: 14px;
}

.nav-links a {
  position: relative;
  padding: 8px 0;
}

.nav-links a.active {
  color: var(--text);
  font-weight: 600;
}

.nav-links a.active::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 2px;
  height: 2px;
  border-radius: 999px;
  background: var(--brand);
}

.cta,
.btn {
  border-radius: 999px;
  font-size: 14px;
  font-weight: 600;
  transition: all 0.2s ease;
}

.cta {
  padding: 11px 18px;
  color: #fff;
  background: linear-gradient(135deg, var(--brand), var(--brand-strong));
  box-shadow: 0 6px 18px rgba(10, 132, 255, 0.3);
}

.cta:hover {
  transform: translateY(-1px);
}

.hero {
  padding-top: 8px;
  padding-bottom: 68px;
}

.hero-content,
.page-hero-content,
.section > *:not(.gallery):not(.callout):not(.footer-grid),
.gallery,
.callout,
.footer-grid {
  max-width: var(--container);
  margin-left: auto;
  margin-right: auto;
}

.hero-content {
  display: grid;
  grid-template-columns: 1.04fr 0.96fr;
  gap: 32px;
  align-items: center;
  margin-top: 20px;
}

.eyebrow {
  margin-bottom: 10px;
  color: var(--brand-strong);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-weight: 700;
}

.hero-text h1 {
  font-size: clamp(34px, 5vw, 62px);
  margin-bottom: 14px;
}

.subhead {
  max-width: 58ch;
  color: var(--muted);
  font-size: clamp(16px, 1.7vw, 20px);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 24px 0 16px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 1px solid transparent;
  padding: 11px 18px;
}

.btn.primary {
  color: #fff;
  background: linear-gradient(135deg, var(--brand), var(--brand-strong));
}

.btn.primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 20px rgba(10, 132, 255, 0.28);
}

.btn.ghost {
  color: var(--text);
  background: #fff;
  border-color: var(--line);
}

.btn.small {
  padding: 9px 14px;
  font-size: 13px;
}

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.hero-badges span {
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 8px 12px;
  color: var(--muted);
  font-size: 13px;
}

.hero-visual {
  display: flex;
  justify-content: center;
}

.product-card {
  width: min(520px, 100%);
  padding: 16px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(8px);
  box-shadow: var(--shadow-md);
}

.product-image {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: contain;
  border-radius: 16px;
  background: linear-gradient(180deg, #ffffff, #f8f9fb);
}

.product-info {
  margin-top: 14px;
  display: flex;
  gap: 14px;
  align-items: center;
  justify-content: space-between;
}

.product-info p {
  color: var(--muted);
  font-size: 14px;
}

.page-hero {
  padding-top: 8px;
  padding-bottom: 36px;
}

.page-hero-content {
  margin-top: 16px;
}

.page-hero-content h1 {
  font-size: clamp(34px, 4vw, 52px);
  margin-bottom: 10px;
}

.page-hero-content p {
  color: var(--muted);
  font-size: clamp(16px, 1.5vw, 19px);
}

.section {
  padding-top: 52px;
  padding-bottom: 52px;
}

.section.tight-top {
  padding-top: 26px;
}

.section.alt {
  background: linear-gradient(180deg, #f9f9fb 0%, #f3f4f7 100%);
}

.section-head {
  margin-bottom: 26px;
}

.section-head h2 {
  font-size: clamp(30px, 3.2vw, 46px);
  margin-bottom: 10px;
}

.section-head p {
  color: var(--muted);
  font-size: 18px;
  max-width: 62ch;
}

.grid-3,
.stats,
.specs,
.info-grid,
.two-col,
.kit-grid,
.feature-split,
.benefits {
  display: grid;
  gap: 16px;
}

.grid-3,
.stats,
.specs,
.info-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.two-col,
.kit-grid,
.feature-split,
.gallery {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.benefits {
  list-style: none;
  padding: 0;
  margin: 0;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.card,
.stat-card,
.specs div,
.benefits li,
.kit-switcher,
.tabs,
.step,
.notice,
.faq details,
.media-frame,
.image-frame,
.callout {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

.card,
.specs div,
.stat-card,
.benefits li,
.step {
  padding: 20px;
}

.card h3,
.specs h4 {
  font-size: 34px;
  font-size: clamp(23px, 2.1vw, 32px);
  margin-bottom: 8px;
}

.card p,
.stat-card p,
.specs p,
.tab-panel,
.simple-list,
.kit-list ul,
.feature-list,
.notice,
.faq,
.note,
.footer-links {
  color: var(--muted);
  font-size: 16px;
}

.gallery {
  margin-top: 26px;
}

.gallery figure {
  margin: 0;
  display: grid;
  gap: 10px;
}

.media-frame,
.image-frame {
  overflow: hidden;
  aspect-ratio: 1 / 1;
}

.media-frame img,
.image-frame img,
.gallery.small .media-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.gallery figcaption {
  padding: 0 6px;
  color: var(--muted);
  font-size: 14px;
}

.stats {
  margin-bottom: 16px;
}

.stat-card {
  text-align: center;
}

.stat-card h3 {
  font-size: clamp(34px, 3.4vw, 48px);
  margin-bottom: 4px;
}

.kit-grid,
.feature-split {
  align-items: stretch;
}

.kit-list ul,
.simple-list,
.feature-list {
  margin: 0;
  padding-left: 20px;
}

.kit-list ul,
.feature-list {
  display: grid;
  gap: 8px;
}

.kit-switcher {
  padding: 14px;
  display: grid;
  gap: 12px;
}

.kit-switcher img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: contain;
  background: #f7f8fb;
  border-radius: 12px;
}

.tabs {
  max-width: 960px;
  margin-left: auto;
  margin-right: auto;
  padding: 26px;
  gap: 14px;
}

.tab-panel h3 {
  margin-bottom: 12px;
}

.tab-panel p {
  margin-bottom: 12px;
}

.tab-panel p:last-child {
  margin-bottom: 0;
}

.switcher-controls,
.tab-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 12px;
}

.switcher-controls button,
.tab-buttons button {
  appearance: none;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--text);
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  padding: 8px 12px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.switcher-controls button.active,
.tab-buttons button.active {
  background: var(--text);
  color: #fff;
  border-color: var(--text);
}

.tab-panel {
  display: none;
  line-height: 1.65;
  padding-top: 6px;
}

.tab-panel.active {
  display: block;
}

.tab-panels {
  min-height: 0;
  height: auto;
}

.single-carousel {
  width: 100%;
  margin: 24px auto 0;
}

.single-carousel-sm {
  max-width: 812px;
}

.single-carousel .media-frame {
  aspect-ratio: 1 / 1;
}

.single-carousel .media-frame img {
  object-fit: cover;
}

.carousel-slide {
  display: none;
}

.carousel-slide.active {
  display: block;
}

.carousel-meta {
  margin-top: 10px;
  padding: 0 6px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

.carousel-caption {
  color: var(--muted);
  font-size: 14px;
}

.carousel-controls {
  display: flex;
  gap: 8px;
}

.carousel-btn {
  appearance: none;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--text);
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  padding: 8px 12px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.carousel-btn:hover {
  border-color: var(--brand);
  color: var(--brand-strong);
}

.callout {
  display: flex;
  gap: 24px;
  align-items: center;
  justify-content: space-between;
  padding: 24px;
  background: linear-gradient(145deg, #ffffff 0%, #f2f8ff 100%);
}

.callout img {
  width: min(320px, 100%);
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: 12px;
  border: 1px solid var(--line);
}

.steps {
  display: grid;
  gap: 12px;
}

.step {
  display: grid;
  grid-template-columns: 40px 1fr;
  align-items: start;
  gap: 14px;
}

.step span {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 13px;
  font-weight: 700;
  color: #fff;
  background: var(--brand-strong);
}

.notice {
  margin-top: 16px;
  padding: 16px 18px;
  border-left: 4px solid var(--brand);
}

.faq details {
  margin: 0 0 10px;
  padding: 14px 16px;
}

.faq summary {
  cursor: pointer;
  font-weight: 600;
}

.faq p {
  margin-top: 8px;
}

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

.contact-form textarea,
.contact-form button {
  grid-column: 1 / -1;
}

.hp-field {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.form-status {
  margin-bottom: 12px;
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid var(--line);
  font-size: 14px;
}

.form-status.is-success {
  background: #eefaf1;
  border-color: #b9e2c2;
  color: #216a34;
}

.form-status.is-error {
  background: #fff2f2;
  border-color: #f0c3c3;
  color: #8a2a2a;
}

.contact-form input,
.contact-form textarea,
.footer-form input {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 12px 14px;
  background: #fff;
  color: var(--text);
  font: inherit;
}

.note {
  margin-top: 10px;
  font-size: 14px;
}

.footer {
  padding-top: 40px;
  padding-bottom: 40px;
  background: #fff;
  border-top: 1px solid var(--line);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr repeat(4, minmax(140px, 1fr));
  gap: 20px;
}

.footer h4 {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.footer-links {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 7px;
}

.footer-note {
  margin-top: 10px;
  color: var(--muted);
  font-size: 13px;
}

.brand-inline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
}

.brand-inline img {
  width: 30px;
  height: 30px;
  object-fit: contain;
}

.reveal {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

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

@media (max-width: 1120px) {
  .hero-content,
  .two-col,
  .kit-grid,
  .feature-split,
  .gallery,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .grid-3,
  .stats,
  .specs,
  .info-grid,
  .benefits {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .footer-grid {
    gap: 16px;
  }
}

@media (max-width: 760px) {
  .hero,
  .page-hero,
  .section,
  .footer {
    padding-left: 5vw;
    padding-right: 5vw;
  }

  .nav {
    min-height: auto;
    gap: 8px;
  }

  .nav-links {
    width: 100%;
    order: 3;
    overflow-x: auto;
    white-space: nowrap;
    padding-bottom: 6px;
  }

  .brand img {
    width: 42px;
    height: 42px;
  }

  .brand span {
    font-size: 19px;
  }

  .cta {
    padding: 10px 14px;
    font-size: 13px;
  }

  .section {
    padding-top: 42px;
    padding-bottom: 42px;
  }

  .grid-3,
  .stats,
  .specs,
  .info-grid,
  .benefits,
  .contact-form {
    grid-template-columns: 1fr;
  }

  .callout {
    padding: 18px;
  }

  .carousel-meta {
    flex-direction: column;
    align-items: flex-start;
  }

  .tabs {
    padding: 18px;
  }
}