:root {
  --bg: #eef2f0;
  --bg-warm: #f6f4ef;
  --surface: #ffffff;
  --fg: #14181c;
  --muted: #5a646c;
  --subtle: #8a949c;
  --primary: #0f3d3e;
  --primary-fg: #f3f7f6;
  --accent: #1d6b6c;
  --ink: #0c1214;
  --border: #d4dcd8;
  --radius-sm: 0.5rem;
  --radius-md: 0.75rem;
  --radius-lg: 1.25rem;
  --radius-xl: 1.75rem;
  --shadow:
    0 0 0 1px rgb(20 24 28 / 0.06),
    0 1px 2px -1px rgb(20 24 28 / 0.06),
    0 2px 8px 0 rgb(20 24 28 / 0.04);
  --font: "Manrope", ui-sans-serif, system-ui, sans-serif;
  --display: "Unbounded", "Manrope", ui-sans-serif, system-ui, sans-serif;
  --wrap: 72rem;
}

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

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font);
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  display: block;
  outline: 1px solid rgb(20 24 28 / 0.08);
  outline-offset: -1px;
}

a { color: inherit; }

h1, h2, h3 { text-wrap: balance; margin: 0; font-family: var(--display); font-weight: 600; letter-spacing: -0.03em; }
p { text-wrap: pretty; }

button, [type="submit"] { font-family: inherit; cursor: pointer; }
button:disabled { cursor: default; opacity: 0.5; }

.wrap { width: min(100% - 2rem, var(--wrap)); margin-inline: auto; }
.wrap-wide { width: min(100%, var(--wrap)); margin-inline: auto; }

.header {
  position: sticky; top: 0; z-index: 40;
  background: color-mix(in oklab, var(--ink) 90%, transparent);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgb(243 247 246 / 0.1);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem; height: 3.5rem;
}
.brand { display: flex; align-items: baseline; gap: 0.5rem; text-decoration: none; color: var(--primary-fg); }
.brand strong { font-family: var(--display); font-size: 0.95rem; }
.brand span { font-size: 0.75rem; color: rgb(243 247 246 / 0.5); }
.nav { display: none; gap: 1.5rem; }
.nav a { text-decoration: none; color: rgb(243 247 246 / 0.7); font-size: 0.875rem; }
.nav a:hover { color: var(--primary-fg); }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
  height: 2.75rem; padding: 0 1.25rem; border: 0; border-radius: var(--radius-md);
  font-size: 0.875rem; font-weight: 500; text-decoration: none;
  transition: transform 150ms ease-out, background-color 150ms ease-out;
}
.btn:active { transform: scale(0.96); }
.btn-lg { height: 3rem; padding: 0 1.5rem; font-size: 1rem; border-radius: var(--radius-lg); }
.btn-sm { height: 2.25rem; padding: 0 0.75rem; border-radius: var(--radius-sm); }
.btn-primary { background: var(--primary); color: var(--primary-fg); }
.btn-primary:hover { background: var(--ink); }
.btn-white { background: var(--surface); color: var(--fg); }
.btn-ghost { background: transparent; color: rgb(243 247 246 / 0.8); }
.btn-ghost:hover { color: var(--primary-fg); background: rgb(243 247 246 / 0.1); }
.btn-block { width: 100%; }

.hero { background: var(--ink); color: var(--primary-fg); }
.hero-grid { display: grid; }
.hero-photo { background: var(--bg-warm); overflow: hidden; }
.hero-photo img { width: 100%; aspect-ratio: 3/4; object-fit: cover; max-height: 100svh; }
.hero-copy { padding: 2.5rem 1rem; }
.eyebrow { font-size: 0.75rem; font-weight: 500; letter-spacing: 0.18em; text-transform: uppercase; color: rgb(243 247 246 / 0.5); }
.hero h1 { margin-top: 0.75rem; font-size: clamp(2.25rem, 6vw, 3.75rem); line-height: 1.05; }
.hero h1 em { display: block; font-style: normal; color: rgb(243 247 246 / 0.7); }
.lead { margin-top: 1.25rem; max-width: 28rem; color: rgb(243 247 246 / 0.7); line-height: 1.6; }
.price-row { display: flex; flex-wrap: wrap; align-items: flex-end; gap: 1rem; margin-top: 2rem; }
.old { font-size: 0.75rem; color: rgb(243 247 246 / 0.45); text-decoration: line-through; }
.price { font-family: var(--display); font-size: 2.25rem; font-variant-numeric: tabular-nums; }
.badge { background: var(--accent); color: var(--primary-fg); border-radius: 999px; padding: 0.25rem 0.75rem; font-size: 0.75rem; font-weight: 500; }
.hero-actions { display: flex; flex-direction: column; gap: 0.75rem; margin-top: 2rem; }
.meta { margin-top: 1.25rem; font-size: 0.75rem; color: rgb(243 247 246 / 0.45); }

.trust { background: var(--surface); border-bottom: 1px solid var(--border); }
.trust ul { display: grid; gap: 1rem; padding: 1.25rem 0; margin: 0 auto; list-style: none; }
.trust li { display: flex; align-items: center; gap: 0.75rem; font-size: 0.875rem; }
.icon {
  width: 2.25rem; height: 2.25rem; flex-shrink: 0;
  display: grid; place-items: center; border-radius: var(--radius-md);
  background: var(--bg); color: var(--accent);
}
.icon svg { width: 1rem; height: 1rem; }

.section { padding: 4rem 0; }
.kicker { font-size: 0.875rem; font-weight: 500; color: var(--accent); margin: 0 0 0.5rem; }
.section h2 { font-size: clamp(1.75rem, 4vw, 2.25rem); max-width: 36rem; }
.muted { color: var(--muted); line-height: 1.6; }
.cards { display: grid; gap: 0.75rem; margin: 2.5rem 0 0; padding: 0; list-style: none; }
.card {
  background: var(--surface); border-radius: var(--radius-xl); padding: 1.5rem;
  box-shadow: var(--shadow);
}
.card h3 { font-size: 1.125rem; margin-top: 1rem; }
.card p { margin: 0.5rem 0 0; font-size: 0.875rem; color: var(--muted); line-height: 1.6; }
.card .num { font-family: var(--display); font-size: 2.25rem; color: var(--accent); }

.surface { background: var(--surface); }
.gallery-grid { display: grid; gap: 2.5rem; align-items: center; }
.gallery-main { overflow: hidden; border-radius: var(--radius-xl); background: var(--bg-warm); }
.gallery-main img { width: 100%; aspect-ratio: 4/3; object-fit: cover; }
.thumbs { display: grid; grid-template-columns: repeat(5, 1fr); gap: 0.5rem; margin-top: 0.75rem; }
.thumbs button { padding: 0; border: 0; background: none; overflow: hidden; border-radius: var(--radius-sm); opacity: 0.8; }
.thumbs button.is-on { outline: 2px solid var(--accent); outline-offset: 0; opacity: 1; }
.thumbs img { width: 100%; aspect-ratio: 1; object-fit: cover; }
.stats { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin-top: 2rem; }
.stat { background: var(--bg); border-radius: var(--radius-lg); padding: 0.75rem 1rem; }
.stat dt { font-size: 0.75rem; color: var(--subtle); }
.stat dd { margin: 0.25rem 0 0; font-size: 0.875rem; font-weight: 500; }

.ink { background: var(--ink); color: var(--primary-fg); }
.ink .kicker { color: rgb(243 247 246 / 0.5); }
.specs { margin-top: 2.5rem; border-top: 1px solid rgb(243 247 246 / 0.1); border-bottom: 1px solid rgb(243 247 246 / 0.1); }
.spec { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; padding: 0.75rem 0; font-size: 0.875rem; border-bottom: 1px solid rgb(243 247 246 / 0.1); }
.spec:last-child { border-bottom: 0; }
.spec dt { color: rgb(243 247 246 / 0.5); margin: 0; }
.spec dd { margin: 0; font-weight: 500; }

.stars { display: flex; gap: 2px; color: var(--accent); }
.review-name { margin-top: 1rem; font-size: 0.875rem; font-weight: 500; }
.review-name span { font-weight: 400; color: var(--subtle); }

.faq-grid { display: grid; gap: 2.5rem; }
.faq { border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.faq details { padding: 1rem 0; border-bottom: 1px solid var(--border); }
.faq details:last-child { border-bottom: 0; }
.faq summary {
  display: flex; justify-content: space-between; gap: 1rem; cursor: pointer;
  font-weight: 500; list-style: none;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary span { color: var(--subtle); }
.faq details[open] summary span { transform: rotate(45deg); }
.faq p { margin: 0.5rem 0 0; max-width: 40rem; font-size: 0.875rem; color: var(--muted); line-height: 1.6; }

.order-grid { display: grid; gap: 2.5rem; align-items: start; }
.steps { display: grid; gap: 1rem; margin-top: 2rem; padding: 0; list-style: none; }
.steps li { display: flex; gap: 1rem; }
.steps .n { font-family: var(--display); font-size: 0.875rem; font-weight: 600; color: var(--accent); }
.steps p { margin: 0.15rem 0 0; font-size: 0.875rem; color: var(--muted); }

.form {
  background: var(--surface); border-radius: var(--radius-xl); padding: 1.25rem;
  box-shadow: var(--shadow);
}
.fields { display: grid; gap: 1rem; }
.field label { display: block; font-size: 0.875rem; font-weight: 500; margin-bottom: 0.4rem; }
.field input, .field textarea {
  width: 100%; height: 2.75rem; padding: 0 0.9rem;
  border: 0; border-radius: var(--radius-md); background: var(--surface);
  box-shadow: var(--shadow); font: inherit; font-size: 0.875rem; color: var(--fg);
}
.field textarea { height: auto; min-height: 6rem; padding: 0.65rem 0.9rem; resize: vertical; }
.field input:focus, .field textarea:focus {
  outline: 2px solid var(--accent); outline-offset: 2px;
}
.qty { display: flex; align-items: center; gap: 0.75rem; margin-top: 0.4rem; }
.qty button {
  width: 2.75rem; height: 2.75rem; border: 0; border-radius: var(--radius-md);
  background: var(--bg); box-shadow: var(--shadow); font-size: 1.1rem;
}
.qty .n { min-width: 2rem; text-align: center; font-size: 1.125rem; font-variant-numeric: tabular-nums; }
.qty .sum { margin-left: auto; font-size: 0.875rem; color: var(--muted); }
.hint { margin: 0.75rem 0 0; text-align: center; font-size: 0.75rem; color: var(--subtle); line-height: 1.5; }
.hp { position: absolute; left: -9999px; }

.footer { background: var(--ink); color: var(--primary-fg); }
.footer-inner { display: grid; gap: 2rem; padding: 3rem 0; }
.footer p, .footer a { color: rgb(243 247 246 / 0.6); font-size: 0.875rem; }
.footer a { text-decoration: none; }
.footer a:hover { color: var(--primary-fg); }
.footer h3 { font-size: 1.125rem; }
.cols { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; }
.cols .col { display: flex; flex-direction: column; gap: 0.5rem; }
.copy { border-top: 1px solid rgb(243 247 246 / 0.1); }
.copy p { width: min(100% - 2rem, var(--wrap)); margin: 0 auto; padding: 1rem 0; font-size: 0.75rem; color: rgb(243 247 246 / 0.4); }

.sticky {
  position: fixed; inset: auto 0 0; z-index: 40;
  display: flex; align-items: center; justify-content: space-between; gap: 0.75rem;
  padding: 0.75rem 1rem;
  background: color-mix(in oklab, var(--surface) 95%, transparent);
  backdrop-filter: blur(12px);
  border-top: 1px solid var(--border);
}
.sticky.is-hide { transform: translateY(100%); }
.sticky .p { font-size: 0.75rem; color: var(--muted); margin: 0; }
.sticky .pr { margin: 0; font-weight: 600; font-variant-numeric: tabular-nums; }

.flash {
  background: #ecfdf3; color: #14532d; padding: 0.85rem 1rem;
  border-radius: var(--radius-md); margin-bottom: 1rem; font-size: 0.875rem;
}
.flash-err { background: #fef2f2; color: #991b1b; }

@media (min-width: 640px) {
  .trust ul { grid-template-columns: 1fr 1fr; }
  .cards { grid-template-columns: 1fr 1fr; }
  .fields.two { grid-template-columns: 1fr 1fr; }
  .form { padding: 2rem; }
  .hero-actions { flex-direction: row; }
}

@media (min-width: 768px) {
  .nav { display: flex; }
  .header-inner { height: 4rem; }
  .cards.three, .speeds { grid-template-columns: repeat(3, 1fr); }
}

@media (min-width: 1024px) {
  .hero-grid { grid-template-columns: 1fr 1fr; }
  .hero-photo { order: 2; }
  .hero-copy { order: 1; padding: 5rem 3rem; }
  .hero-photo img { aspect-ratio: auto; height: 100%; max-height: none; object-fit: cover; }
  .trust ul { grid-template-columns: repeat(4, 1fr); }
  .cards { grid-template-columns: repeat(3, 1fr); }
  .gallery-grid, .order-grid { grid-template-columns: 1fr 1fr; }
  .faq-grid { grid-template-columns: 1fr 2fr; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .sticky { display: none; }
  .page { padding-bottom: 0; }
}

.page { padding-bottom: 5rem; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}