:root {
  --bg: #f3f7fb;
  --surface: #ffffff;
  --surface-soft: #eef3fa;
  --ink: #1a2434;
  --ink-muted: #4a5873;
  --border: #d4e0ee;
  --shadow: 0 16px 42px rgba(15, 31, 59, 0.12);
  --shadow-soft: 0 9px 20px rgba(15, 31, 59, 0.08);
  --brand: #0f7468;
  --brand-dark: #0a544b;
  --accent: #ef7f1a;
  --accent-dark: #c35f08;
  --amazon: #111827;
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 10px;
  --max-width: 1160px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  font-family: "Space Grotesk", "Avenir Next", "Trebuchet MS", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(1100px 700px at 8% -18%, #cdeef1 0%, transparent 68%),
    radial-gradient(920px 660px at 92% -20%, #ffe8d1 0%, transparent 72%),
    var(--bg);
  line-height: 1.65;
  min-height: 100vh;
}

h1,
h2,
h3,
h4 {
  font-family: "Sora", "Avenir Next", sans-serif;
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin: 0;
}

p {
  margin: 0;
  color: var(--ink-muted);
}

a {
  color: inherit;
}

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

.container {
  width: min(100% - 2rem, var(--max-width));
  margin: 0 auto;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: auto;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.skip-link:focus {
  position: fixed;
  left: 1rem;
  top: 1rem;
  width: auto;
  height: auto;
  background: #fff;
  color: var(--ink);
  padding: 0.6rem 0.8rem;
  border-radius: 0.5rem;
  z-index: 1000;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  backdrop-filter: blur(12px);
  background: rgba(243, 247, 251, 0.88);
  border-bottom: 1px solid rgba(212, 224, 238, 0.78);
}

.header-row {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  text-decoration: none;
}

.brand-mark {
  width: 40px;
  height: 40px;
  border-radius: 999px;
  display: inline-grid;
  place-items: center;
  font-family: "IBM Plex Mono", "Menlo", monospace;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: #fff;
  background: linear-gradient(135deg, rgba(15, 116, 104, 0.95), rgba(239, 127, 26, 0.95));
  border: 1px solid rgba(15, 116, 104, 0.35);
  box-shadow: 0 4px 14px rgba(15, 31, 59, 0.2);
}

.brand-text {
  font-size: 1rem;
  font-weight: 700;
}

.nav-toggle {
  display: none;
  border: 1px solid var(--border);
  background: #fff;
  border-radius: 10px;
  font: inherit;
  padding: 0.45rem 0.72rem;
}

.primary-nav {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.primary-nav a {
  text-decoration: none;
  font-weight: 600;
  padding: 0.55rem 0.82rem;
  border-radius: 10px;
  color: var(--ink-muted);
}

.primary-nav a:hover,
.primary-nav a[aria-current="page"] {
  color: var(--ink);
  background: #fff;
  box-shadow: var(--shadow-soft);
}

main {
  padding: 2.5rem 0 4.5rem;
}

.hero {
  background:
    linear-gradient(132deg, rgba(15, 116, 104, 0.1), rgba(239, 127, 26, 0.12)),
    var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: clamp(1.3rem, 3.6vw, 2.6rem);
  box-shadow: var(--shadow);
}

.hero-grid {
  display: grid;
  gap: 1.2rem;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: center;
}

.hero-eyebrow {
  display: inline-flex;
  padding: 0.3rem 0.7rem;
  border-radius: 999px;
  background: rgba(15, 116, 104, 0.13);
  color: var(--brand-dark);
  font-weight: 700;
  font-size: 0.81rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.hero h1 {
  margin-top: 0.82rem;
  font-size: clamp(1.9rem, 4.4vw, 3.1rem);
}

.hero p {
  margin-top: 0.88rem;
  max-width: 66ch;
  font-size: clamp(1rem, 2.2vw, 1.12rem);
}

.hero-art {
  border-radius: 16px;
  border: 1px solid var(--border);
  overflow: hidden;
  background: #f9fbff;
  box-shadow: var(--shadow-soft);
}

.hero-art img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.kpi-grid {
  margin-top: 1.15rem;
  display: grid;
  gap: 0.7rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.kpi-card {
  border: 1px solid var(--border);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.82);
  padding: 0.72rem 0.8rem;
}

.kpi-label {
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--ink-muted);
  font-weight: 700;
}

.kpi-value {
  margin-top: 0.16rem;
  font-size: 1.16rem;
  font-weight: 800;
  color: var(--ink);
}

.cta-row {
  margin-top: 1.3rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  font-weight: 700;
  padding: 0.72rem 1.02rem;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease;
}

.button:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-soft);
}

.button.primary {
  background: var(--brand);
  color: #fff;
}

.button.primary:hover {
  background: var(--brand-dark);
}

.button.secondary {
  background: var(--accent);
  color: #fff;
}

.button.secondary:hover {
  background: var(--accent-dark);
}

.button.amazon {
  background: var(--amazon);
  color: #fff;
}

.button.amazon:hover {
  background: #0b1220;
}

.button.ghost {
  background: #fff;
  border-color: var(--border);
  color: var(--ink);
}

.section {
  margin-top: 1.4rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
  padding: clamp(1.05rem, 2.8vw, 1.9rem);
}

.section-head {
  display: flex;
  gap: 1rem;
  align-items: end;
  justify-content: space-between;
}

.section-head p {
  max-width: 66ch;
}

.grid,
.cards {
  margin-top: 1rem;
  display: grid;
  gap: 0.8rem;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.grid.two,
.cards.two {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.card {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--surface-soft);
  padding: 1rem;
}

.card h3 {
  font-size: 1.1rem;
}

.card p {
  margin-top: 0.48rem;
}

.card .button {
  margin-top: 0.88rem;
}

.pill {
  display: inline-flex;
  align-items: center;
  padding: 0.2rem 0.56rem;
  border-radius: 999px;
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  background: #e7f2f1;
  color: #0a5b50;
}

.pill.warn {
  background: #ffefdf;
  color: #9a4f08;
}

.pill.soft {
  background: #ecf0f8;
  color: #334261;
}

.feature-split {
  margin-top: 1rem;
  display: grid;
  gap: 1rem;
  grid-template-columns: 1.08fr 0.92fr;
  align-items: start;
}

.feature-image {
  border: 1px solid var(--border);
  border-radius: 14px;
  overflow: hidden;
  background: #f6f9ff;
}

.feature-image img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.list-check {
  margin-top: 0.8rem;
  padding-left: 1.1rem;
  color: var(--ink-muted);
}

.list-check li + li {
  margin-top: 0.48rem;
}

.sample-grid {
  margin-top: 1rem;
  display: grid;
  gap: 0.9rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.sample-card {
  border: 1px solid var(--border);
  border-radius: 14px;
  background: #fff;
  overflow: hidden;
}

.sample-card img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.sample-card .sample-body {
  padding: 0.9rem 0.95rem;
}

.sample-card h3 {
  font-size: 1.02rem;
}

.sample-card p {
  margin-top: 0.45rem;
}

.notice {
  margin-top: 0.9rem;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: #f7fbff;
  padding: 0.8rem 0.9rem;
}

.embed-wrap {
  margin-top: 1rem;
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid var(--border);
  background: #0d1322;
}

.embed-wrap iframe {
  width: 100%;
  aspect-ratio: 16 / 9;
  border: 0;
  display: block;
}

.site-footer {
  border-top: 1px solid var(--border);
  padding: 1.5rem 0 2rem;
  color: var(--ink-muted);
  font-size: 0.92rem;
}

.footer-grid {
  display: grid;
  gap: 0.9rem;
  grid-template-columns: 1.1fr 0.9fr;
  align-items: start;
}

.footer-links {
  display: flex;
  gap: 0.7rem;
  flex-wrap: wrap;
}

.footer-links a {
  text-decoration: none;
  font-weight: 600;
  color: var(--ink-muted);
}

.footer-links a:hover {
  color: var(--ink);
  text-decoration: underline;
}

.fade-in {
  opacity: 0;
  transform: translateY(8px);
  animation: rise 500ms ease forwards;
}

.fade-in.delay-1 {
  animation-delay: 90ms;
}

.fade-in.delay-2 {
  animation-delay: 180ms;
}

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

@media (max-width: 980px) {
  .hero-grid,
  .feature-split,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .grid,
  .cards,
  .sample-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 760px) {
  .header-row {
    align-items: flex-start;
    padding: 0.8rem 0;
  }

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

  .primary-nav {
    position: absolute;
    top: 72px;
    right: 1rem;
    left: 1rem;
    display: grid;
    gap: 0.2rem;
    background: #fff;
    border-radius: 12px;
    border: 1px solid var(--border);
    box-shadow: var(--shadow-soft);
    padding: 0.5rem;
    opacity: 0;
    pointer-events: none;
    transform: translateY(-8px);
    transition: opacity 170ms ease, transform 170ms ease;
  }

  .primary-nav.open {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }

  .grid,
  .cards,
  .sample-grid,
  .grid.two,
  .cards.two {
    grid-template-columns: 1fr;
  }

  .section-head {
    flex-direction: column;
    align-items: flex-start;
  }
}

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

.contact-form {
  position: relative;
}

.field {
  display: grid;
  gap: 0.36rem;
}

.field label {
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--ink);
}

.field input,
.field textarea,
.field select {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.68rem 0.75rem;
  font: inherit;
  color: var(--ink);
  background: #fff;
}

.field textarea {
  min-height: 170px;
  resize: vertical;
}

.alert {
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  padding: 0.8rem 0.9rem;
  background: #f7fbff;
}

.alert p {
  margin: 0;
}

.alert p + p {
  margin-top: 0.42rem;
}

.alert.success {
  border-color: #8fd4b6;
  background: #ebfff4;
  color: #0c4f34;
}

.alert.error {
  border-color: #f2b8b5;
  background: #fff3f2;
  color: #832e2b;
}

.split {
  margin-top: 1rem;
  display: grid;
  gap: 1rem;
  grid-template-columns: 1.2fr 0.8fr;
}

small.hint {
  color: var(--ink-muted);
  display: block;
  margin-top: 0.44rem;
}

@media (max-width: 980px) {
  .split {
    grid-template-columns: 1fr;
  }
}