:root {
  color-scheme: light;
  --ink: #1d1d1f;
  --muted: #6e6e73;
  --line: #d2d2d7;
  --paper: #ffffff;
  --soft: #f5f5f7;
  --link: #0066cc;
  --shadow: 0 28px 80px rgba(0, 0, 0, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family:
    -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", Arial,
    sans-serif;
  line-height: 1.45;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  content: "";
  background:
    radial-gradient(circle at 12% 18%, rgba(0, 113, 227, 0.16), transparent 28%),
    radial-gradient(circle at 88% 22%, rgba(255, 149, 0, 0.16), transparent 26%),
    radial-gradient(circle at 50% 84%, rgba(52, 199, 89, 0.12), transparent 30%),
    #fff;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  min-height: 48px;
  padding: 0 clamp(18px, 5vw, 72px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.08);
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: saturate(180%) blur(20px);
}

.brand {
  justify-self: start;
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0;
}

.nav {
  grid-column: 2;
  display: flex;
  gap: clamp(20px, 3vw, 38px);
  color: #343437;
  font-size: 0.82rem;
}

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

.section {
  padding: clamp(56px, 8vw, 112px) clamp(20px, 5vw, 72px);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 44px;
  place-items: center;
  min-height: calc(100vh - 48px);
  text-align: center;
  background:
    linear-gradient(180deg, rgba(251, 251, 253, 0.9) 0%, rgba(255, 255, 255, 0.96) 64%),
    var(--paper);
}

.hero-copy,
.section-heading {
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
}

.eyebrow {
  margin: 0 0 12px;
  color: #86868b;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

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

h1 {
  margin-bottom: 18px;
  font-size: clamp(2.75rem, 7.4vw, 6.4rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 16px;
  font-size: clamp(2.3rem, 5.5vw, 5.1rem);
  font-weight: 700;
  line-height: 1.02;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 10px;
  font-size: 1.35rem;
  line-height: 1.16;
}

.hero-text,
.section-heading p {
  max-width: 690px;
  margin-inline: auto;
  color: var(--muted);
  font-size: clamp(1.14rem, 2.1vw, 1.62rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 22px;
  margin-top: 26px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 19px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-weight: 600;
  cursor: pointer;
}

.button.primary {
  color: #fff;
  background: #0071e3;
}

.button.primary:hover {
  background: #0077ed;
}

.button.secondary {
  color: var(--link);
  background: transparent;
}

.button.secondary:hover {
  text-decoration: underline;
}

.hero-panel {
  width: min(1180px, 100%);
  padding: 0;
  border-radius: 8px;
  background: transparent;
  box-shadow: none;
}

.photo-panel {
  overflow: hidden;
  border-radius: 0;
}

.hero-product-stage {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 4vw, 46px);
  align-items: center;
  position: relative;
  min-height: clamp(360px, 52vw, 560px);
}

.hero-product-stage img {
  display: block;
  width: 100%;
  height: 100%;
  min-height: clamp(360px, 52vw, 560px);
  object-fit: cover;
  filter: saturate(1.04);
}

.simple-product-stage {
  place-items: center;
  min-height: clamp(420px, 55vw, 640px);
}

.simple-product-stage::before {
  position: absolute;
  inset: 10% 12% 10% 12%;
  content: "";
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 113, 227, 0.14), transparent 62%);
}

.simple-product-stage img {
  position: relative;
  z-index: 1;
  width: min(560px, 82%);
  height: auto;
  min-height: 0;
  object-fit: contain;
  mix-blend-mode: multiply;
  filter: drop-shadow(0 30px 34px rgba(0, 0, 0, 0.16));
}

.image-hero-stage {
  overflow: hidden;
  min-height: clamp(420px, 56vw, 660px);
  border-radius: 8px;
  background:
    radial-gradient(circle at 18% 20%, rgba(0, 113, 227, 0.08), transparent 30%),
    linear-gradient(180deg, #fbfbfd, #f7f9fb);
  box-shadow: 0 30px 80px rgba(29, 29, 31, 0.08);
}

.image-hero-stage img {
  display: block;
  width: 100%;
  height: clamp(420px, 56vw, 660px);
  object-fit: cover;
  object-position: center;
  filter: saturate(1.02) contrast(1.02);
  -webkit-mask-image: linear-gradient(90deg, transparent 0%, #000 10%, #000 96%, transparent 100%);
  mask-image: linear-gradient(90deg, transparent 0%, #000 10%, #000 96%, transparent 100%);
}

.hero-product-copy {
  position: absolute;
  left: clamp(22px, 5vw, 76px);
  bottom: clamp(22px, 5vw, 70px);
  z-index: 2;
  width: min(430px, calc(100% - 36px));
  padding: clamp(22px, 4vw, 34px);
  border: 1px solid rgba(255, 255, 255, 0.58);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.48);
  backdrop-filter: blur(22px) saturate(150%);
  text-align: left;
}

.hero-product-copy span {
  display: inline-flex;
  margin-bottom: 12px;
  color: var(--link);
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.hero-product-copy strong {
  display: block;
  font-size: clamp(1.8rem, 4vw, 3.2rem);
  line-height: 1.05;
}

.support-band,
.inquiry-section {
  background: var(--soft);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 42px;
}

.feature {
  min-height: 260px;
  padding: 34px;
  border-radius: 8px;
  background: #fff;
}

.feature p,
.product-card p,
.product-card li {
  color: var(--muted);
}

.feature-icon {
  display: inline-flex;
  margin-bottom: 46px;
  color: #86868b;
  font-size: 0.92rem;
  font-weight: 700;
}

.support-note {
  position: relative;
  overflow: hidden;
  max-width: 860px;
  margin: 34px auto 0;
  padding: clamp(30px, 5vw, 48px);
  border-radius: 8px;
  border: 1px solid rgba(0, 113, 227, 0.18);
  background:
    radial-gradient(circle at 10% 20%, rgba(0, 113, 227, 0.18), transparent 30%),
    radial-gradient(circle at 92% 18%, rgba(255, 149, 0, 0.18), transparent 26%),
    linear-gradient(135deg, #fff, #f5fbff 58%, #fff8ef);
  box-shadow: 0 26px 70px rgba(0, 61, 128, 0.12);
  text-align: center;
}

.support-note::before {
  position: absolute;
  inset: 0;
  content: "";
  pointer-events: none;
  border-radius: inherit;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.72);
}

.support-note-icon {
  display: inline-grid;
  width: 42px;
  height: 42px;
  margin-bottom: 16px;
  place-items: center;
  border-radius: 50%;
  color: #fff;
  background: linear-gradient(135deg, #0071e3, #ff8a00);
  font-size: 1.35rem;
  font-weight: 800;
  box-shadow: 0 14px 30px rgba(0, 113, 227, 0.22);
}

.support-note-kicker {
  margin-bottom: 8px;
  color: var(--link);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.support-note h3 {
  margin-bottom: 12px;
  font-size: clamp(1.7rem, 3.2vw, 2.7rem);
}

.support-note p {
  max-width: 650px;
  margin: 0 auto;
  color: var(--muted);
  font-size: clamp(1.02rem, 1.8vw, 1.22rem);
}

.support-note-button {
  margin-top: 24px;
}

.support-note small {
  display: block;
  max-width: 560px;
  margin: 16px auto 0;
  color: #7f7f86;
  font-size: 0.92rem;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
  margin-top: 46px;
}

.product-card {
  overflow: hidden;
  display: grid;
  grid-template-rows: auto 1fr;
  border-radius: 8px;
  background:
    radial-gradient(circle at 18% 16%, rgba(0, 122, 255, 0.1), transparent 30%),
    linear-gradient(180deg, #fbfbfd, #f0f3f5);
}

.product-visual {
  display: grid;
  min-height: 300px;
  place-items: center;
  padding: 30px 28px 18px;
  background:
    radial-gradient(circle at 26% 18%, rgba(255, 159, 10, 0.13), transparent 26%),
    radial-gradient(circle at 82% 78%, rgba(52, 199, 89, 0.12), transparent 28%),
    linear-gradient(180deg, #f7fafc, #eef2f5);
}

.product-visual img {
  display: block;
  width: 100%;
  height: 260px;
  object-fit: contain;
  mix-blend-mode: multiply;
  filter: drop-shadow(0 20px 22px rgba(0, 0, 0, 0.13));
}

.product-body {
  padding: 30px;
  background: rgba(255, 255, 255, 0.72);
}

.product-asin,
.product-category {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
}

.product-asin {
  color: #86868b;
}

.product-category {
  color: var(--link);
}

.product-card ul {
  padding-left: 19px;
  margin-bottom: 0;
}

.text-link {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  margin-top: 12px;
  color: var(--link);
  font-weight: 650;
}

.text-link:hover {
  text-decoration: underline;
}

.inquiry-section {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 0.7fr);
  gap: clamp(28px, 5vw, 70px);
  align-items: start;
}

.inquiry-section .section-heading {
  text-align: left;
}

.inquiry-section .section-heading p {
  margin-inline: 0;
}

.contact-form {
  display: grid;
  gap: 18px;
  padding: clamp(24px, 4vw, 38px);
  border-radius: 8px;
  background: #fff;
  box-shadow: var(--shadow);
}

.contact-form label {
  display: grid;
  gap: 8px;
  color: var(--ink);
  font-size: 0.92rem;
  font-weight: 650;
}

input,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 14px 15px;
  color: var(--ink);
  font: inherit;
  background: #fff;
}

textarea {
  resize: vertical;
}

input:focus,
textarea:focus {
  outline: 4px solid rgba(0, 113, 227, 0.14);
  border-color: #0071e3;
}

.form-button {
  width: 100%;
}

.form-status {
  min-height: 24px;
  margin: 0;
  color: #1d1d1f;
  font-size: 0.94rem;
  font-weight: 600;
}

.site-footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px 24px;
  padding: 28px clamp(20px, 5vw, 72px);
  color: #86868b;
  border-top: 1px solid rgba(0, 0, 0, 0.08);
  background: #f5f5f7;
  font-size: 0.84rem;
}

.site-footer p {
  margin: 0;
}

@media (max-width: 960px) {
  .inquiry-section {
    grid-template-columns: 1fr;
  }

  .inquiry-section .section-heading {
    text-align: center;
  }

  .inquiry-section .section-heading p {
    margin-inline: auto;
  }

  .feature-grid,
  .product-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 680px) {
  .site-header {
    grid-template-columns: 1fr;
    gap: 10px;
    padding-block: 12px;
  }

  .nav {
    grid-column: 1;
    justify-content: space-between;
    width: 100%;
    gap: 12px;
    overflow-x: auto;
  }

  h1 {
    font-size: clamp(2.75rem, 13vw, 4.4rem);
  }

  .hero-actions,
  .button {
    width: 100%;
  }

  .product-visual {
    min-height: 240px;
  }

  .hero-product-stage {
    grid-template-columns: 1fr;
  }

  .hero-product-copy {
    position: static;
    width: auto;
    margin: -120px 16px 18px;
    text-align: center;
  }
}