/* Hifikind Atelier Editorial — responsive design tokens */
:root {
  --ink: #0d0c0a;
  --surface: #171512;
  --surface-raised: #211e19;
  --cream: #f2e9da;
  --muted-cream: #b9ad9a;
  --copper: #b8743c;
  --copper-soft: #c78047;
  --hairline: #383128;
  --serif: "Libre Caslon Text", "Cormorant Garamond", Georgia, serif;
  --sans: "Inter", "Public Sans", system-ui, sans-serif;
  --mono: "Space Mono", "JetBrains Mono", ui-monospace, monospace;
  --radius: 4px;
  --shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--ink);
  color: var(--cream);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; }

.container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 32px;
}

.mono {
  font-family: var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 11px;
  color: var(--muted-cream);
}

.serif-xl, .serif-lg, .serif-md {
  font-family: var(--serif);
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1.02;
  margin: 0;
}

.serif-xl { font-size: clamp(40px, 6vw, 72px); }
.serif-lg { font-size: clamp(30px, 4vw, 52px); }
.serif-md { font-size: clamp(22px, 2.5vw, 32px); line-height: 1.1; }
.italic { font-style: italic; color: var(--copper-soft); }

.hairline {
  height: 1px;
  background: var(--hairline);
  border: 0;
  margin: 0;
}

/* Navigation */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(13, 12, 10, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--hairline);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 0;
  gap: 32px;
}
.brand {
  font-family: var(--serif);
  font-size: 24px;
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--cream);
}
.brand span { color: var(--copper); }
.nav-links {
  display: flex;
  gap: 28px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav-links a {
  font-size: 14px;
  color: var(--muted-cream);
  transition: color 0.2s;
}
.nav-links a:hover, .nav-links a:focus-visible { color: var(--cream); outline: none; }

.menu-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--hairline);
  color: var(--cream);
  padding: 10px;
  border-radius: var(--radius);
  width: 42px;
  height: 42px;
  align-items: center;
  justify-content: center;
}
.menu-toggle .bars {
  display: block;
  width: 18px;
  height: 12px;
  position: relative;
}
.menu-toggle .bars::before,
.menu-toggle .bars::after {
  content: "";
  position: absolute;
  left: 0;
  width: 18px;
  height: 1.5px;
  background: var(--cream);
  transition: transform 0.25s ease, top 0.25s ease;
}
.menu-toggle .bars::before { top: 2px; box-shadow: 0 4px 0 0 var(--cream); transition: box-shadow 0.25s ease, transform 0.25s ease; }
.menu-toggle .bars::after  { bottom: 2px; }
.menu-toggle[aria-expanded="true"] .bars::before { box-shadow: none; top: 5px; transform: rotate(45deg); }
.menu-toggle[aria-expanded="true"] .bars::after  { bottom: auto; top: 5px; transform: rotate(-45deg); }

/* Slide-in mobile menu */
.mobile-menu {
  position: fixed;
  inset: 0;
  background: rgba(13, 12, 10, 0.96);
  backdrop-filter: blur(18px);
  z-index: 55;
  display: flex;
  flex-direction: column;
  padding: 88px 24px 96px;
  opacity: 0;
  pointer-events: none;
  transform: translateY(-12px);
  visibility: hidden;
  transition: opacity 0.28s ease, transform 0.28s ease, visibility 0s linear 0.28s;
}
.mobile-menu[data-open="true"] {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
  visibility: visible;
  transition: opacity 0.28s ease, transform 0.28s ease, visibility 0s linear 0s;
}
.mobile-menu-close {
  position: absolute;
  top: 18px;
  right: 18px;
  width: 44px;
  height: 44px;
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  background: transparent;
  color: var(--cream);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: border-color 0.2s ease, background 0.2s ease;
}
.mobile-menu-close:hover,
.mobile-menu-close:focus-visible {
  border-color: var(--copper);
  background: rgba(184, 116, 60, 0.08);
  outline: none;
}
.mobile-menu-close::before,
.mobile-menu-close::after {
  content: "";
  position: absolute;
  width: 18px;
  height: 1.5px;
  background: var(--cream);
}
.mobile-menu-close::before { transform: rotate(45deg); }
.mobile-menu-close::after  { transform: rotate(-45deg); }
.mobile-menu ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.mobile-menu a {
  display: block;
  font-family: var(--serif);
  font-size: 28px;
  line-height: 1.2;
  padding: 14px 0;
  color: var(--cream);
  border-bottom: 1px solid var(--hairline);
}
.mobile-menu a:hover, .mobile-menu a:focus-visible { color: var(--copper); outline: none; }
.mobile-menu .menu-foot {
  margin-top: auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.mobile-menu .menu-foot .mono { color: var(--muted-cream); }
body.menu-open { overflow: hidden; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 22px;
  border-radius: 999px;
  font-family: var(--sans);
  font-size: 14px;
  font-weight: 500;
  transition: transform 0.15s ease, background 0.2s ease, color 0.2s ease;
  text-decoration: none;
  border: 1px solid transparent;
}
.btn-primary {
  background: var(--copper);
  color: var(--ink);
}
.btn-primary:hover, .btn-primary:focus-visible {
  background: var(--cream);
  color: var(--ink);
  outline: none;
  transform: translateY(-1px);
}
.btn-ghost {
  background: transparent;
  color: var(--cream);
  border: 1px solid var(--hairline);
}
.btn-ghost:hover, .btn-ghost:focus-visible {
  border-color: var(--copper);
  color: var(--copper);
  outline: none;
}
.arrow {
  display: inline-block;
  width: 22px;
  height: 22px;
  border: 1px solid currentColor;
  border-radius: 50%;
  text-align: center;
  line-height: 20px;
  font-size: 12px;
}

/* Hero */
.hero {
  padding: 80px 0 96px;
  position: relative;
  overflow: hidden;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 64px;
  align-items: center;
}
.hero-image {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  background: var(--surface);
}
.hero-image img {
  width: 100%;
  height: auto;
  aspect-ratio: 5/4;
  object-fit: cover;
}
.hero-actions {
  display: flex;
  gap: 16px;
  margin-top: 32px;
  flex-wrap: wrap;
}
.hero-meta {
  display: flex;
  gap: 24px;
  margin-top: 48px;
  flex-wrap: wrap;
}
.hero-meta .metric {
  border-left: 1px solid var(--hairline);
  padding-left: 16px;
}
.hero-meta .metric strong {
  font-family: var(--serif);
  font-size: 28px;
  color: var(--cream);
  display: block;
}

/* Sections */
.section {
  padding: 96px 0;
  border-top: 1px solid var(--hairline);
}
.section-head {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 24px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}
.section-title { max-width: 720px; }

/* Trust row */
.trust-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  padding: 56px 0;
  border-top: 1px solid var(--hairline);
  border-bottom: 1px solid var(--hairline);
  background: var(--surface);
}
.trust-row > .container {
  grid-column: 1 / -1;
  width: 100%;
}
.trust-row-inner {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  padding: 0;
}
.trust-card {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 16px;
  align-items: start;
}
.trust-card h3, .trust-card p { grid-column: 2; margin: 0; }
.trust-card h3 {
  font-family: var(--serif);
  font-size: 22px;
  margin: 16px 0 8px;
}
.trust-card p {
  color: var(--muted-cream);
  font-size: 14px;
  margin: 0;
}
.trust-icon {
  width: 44px;
  height: 44px;
  border: 1px solid var(--hairline);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--copper);
}

/* Cards */
.card-grid {
  display: grid;
  gap: 24px;
}
.products-grid {
  grid-template-columns: 1.4fr 1fr 1fr;
  grid-auto-rows: 280px;
}
.card {
  background: var(--surface);
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  overflow: hidden;
  position: relative;
  display: flex;
  flex-direction: column;
  transition: transform 0.2s ease, border-color 0.2s ease;
}
.card:hover, .card:focus-within { transform: translateY(-2px); border-color: var(--copper); }
.card .image {
  flex: 1;
  background: var(--ink) center/cover no-repeat;
}
.card .body {
  padding: 20px 22px;
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 12px;
}
.card .body h3 { font-family: var(--serif); font-size: 22px; margin: 6px 0 4px; }
.card .body p { color: var(--muted-cream); font-size: 13px; margin: 0; max-width: 70%; }
.tall { grid-row: span 2; }
.wide { grid-column: span 2; }

/* Fitting steps */
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.step {
  background: var(--surface-raised);
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  padding: 32px;
  position: relative;
}
.step .step-num {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--copper);
  margin-bottom: 24px;
  display: block;
}
.step h3 { font-family: var(--serif); font-size: 26px; margin: 0 0 12px; }
.step p { color: var(--muted-cream); margin: 0; }

/* Metrics */
.metrics {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0;
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  overflow: hidden;
}
.metric-cell {
  padding: 32px;
  border-right: 1px solid var(--hairline);
  border-bottom: 1px solid var(--hairline);
}
.metric-cell:nth-child(even) { border-right: none; }
.metric-cell:nth-last-child(-n+2) { border-bottom: none; }
.metric-cell .label { display: block; margin-bottom: 16px; }
.metric-cell .value {
  font-family: var(--serif);
  font-size: 48px;
  display: block;
}
.metric-cell .note { color: var(--muted-cream); font-size: 13px; margin-top: 8px; display: block; }

/* FAQ */
.faq {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
}
.faq-list {
  background: var(--surface);
  border-radius: var(--radius);
  padding: 24px;
  border: 1px solid var(--hairline);
}
.faq-item {
  border-bottom: 1px solid var(--hairline);
  padding: 18px 4px;
}
.faq-item:last-child { border-bottom: none; }
.faq-item summary {
  display: flex;
  justify-content: space-between;
  cursor: pointer;
  font-weight: 500;
  list-style: none;
  color: var(--cream);
}
.faq-item summary::after {
  content: "↓";
  color: var(--copper);
  transition: transform 0.2s;
}
.faq-item[open] summary::after { transform: rotate(180deg); }
.faq-item p { color: var(--muted-cream); margin: 14px 0 0; }

/* Forms */
.form {
  display: grid;
  gap: 16px;
  max-width: 520px;
}
.form label { font-size: 13px; color: var(--muted-cream); }
.form input, .form textarea, .form select {
  background: var(--surface);
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  padding: 14px 16px;
  color: var(--cream);
  font-family: var(--sans);
  font-size: 15px;
  width: 100%;
}
.form input:focus, .form textarea:focus, .form select:focus {
  outline: 2px solid var(--copper);
  outline-offset: 1px;
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form .status { font-size: 13px; color: var(--copper); min-height: 16px; }
.form .status.success { color: #8fd19e; }

/* Footer */
.site-footer {
  background: var(--surface);
  border-top: 1px solid var(--hairline);
  padding: 64px 0 32px;
  margin-top: 96px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr repeat(4, 1fr);
  gap: 32px;
  margin-bottom: 56px;
}
.footer-col h4 { font-family: var(--mono); font-size: 11px; color: var(--copper); margin: 0 0 14px; letter-spacing: 0.16em; text-transform: uppercase; }
.footer-col ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.footer-col a { color: var(--muted-cream); font-size: 14px; }
.footer-col a:hover { color: var(--cream); }
.footer-brand p { color: var(--muted-cream); font-size: 14px; margin: 16px 0 24px; max-width: 320px; }
.newsletter { display: flex; gap: 8px; }
.newsletter input { flex: 1; padding: 12px 14px; background: var(--ink); border: 1px solid var(--hairline); color: var(--cream); border-radius: var(--radius); }
.footer-meta {
  display: flex;
  justify-content: space-between;
  border-top: 1px solid var(--hairline);
  padding-top: 24px;
  color: var(--muted-cream);
  font-size: 12px;
  flex-wrap: wrap;
  gap: 12px;
}

/* Page hero */
.page-hero {
  padding: 96px 0 48px;
  border-bottom: 1px solid var(--hairline);
}
.page-hero .lead { color: var(--muted-cream); max-width: 640px; margin-top: 24px; font-size: 17px; }

/* Filters */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 32px;
}
.filter-chip {
  border: 1px solid var(--hairline);
  background: transparent;
  color: var(--muted-cream);
  padding: 8px 16px;
  border-radius: 999px;
  font-size: 13px;
}
.filter-chip[aria-pressed="true"] { background: var(--copper); color: var(--ink); border-color: var(--copper); }

/* Two-column layout */
.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.reverse .image { order: 2; }

/* Mobile priority CTA */
.mobile-cta {
  display: none;
  position: fixed;
  bottom: 16px;
  left: 16px;
  right: 16px;
  width: calc(100% - 32px);
  max-width: 360px;
  z-index: 60;
  box-shadow: var(--shadow);
}

/* Responsive */
@media (max-width: 960px) {
  .container { padding: 0 20px; }
  .nav-links { display: none; }
  .menu-toggle { display: inline-flex; }
  .nav .btn.btn-primary { display: none; }
  .hero { padding: 48px 0 64px; }
  .hero-grid { grid-template-columns: 1fr; gap: 28px; }
  .hero-image img { aspect-ratio: 4/5; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-actions .btn { justify-content: center; }
  .hero-meta { gap: 16px; margin-top: 32px; }
  .hero-meta .metric { flex: 1 1 40%; padding-left: 12px; }
  .trust-row { grid-template-columns: repeat(2, 1fr); padding: 32px 0; }
  .trust-row-inner { grid-template-columns: repeat(2, 1fr); }
  .products-grid { grid-template-columns: 1fr 1fr; grid-auto-rows: 220px; }
  .tall, .wide { grid-row: auto; grid-column: auto; }
  .steps { grid-template-columns: 1fr; gap: 16px; }
  .step { padding: 24px; }
  .metrics { grid-template-columns: 1fr; }
  .metric-cell { border-right: none; border-bottom: 1px solid var(--hairline); padding: 24px; }
  .metric-cell:last-child { border-bottom: none; }
  .metric-cell .value { font-size: 36px; }
  .faq { grid-template-columns: 1fr; gap: 32px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
  .footer-meta { justify-content: center; text-align: center; }
  .two-col { grid-template-columns: 1fr; gap: 32px; }
  .reverse .image { order: 0; }
  .form-row { grid-template-columns: 1fr; }
  .section { padding: 56px 0; }
  .page-hero { padding: 64px 0 32px; }
  .filter-bar { gap: 8px; }
  .filter-chip { padding: 7px 14px; font-size: 12px; }
  .newsletter { flex-direction: column; }
  .newsletter .btn { justify-content: center; }
  .mobile-cta { display: flex; justify-content: center; align-items: center; }
  body { padding-bottom: 96px; }
}

@media (max-width: 520px) {
  .container { padding: 0 16px; }
  .nav-inner { gap: 12px; padding: 14px 0; }
  .brand { font-size: 20px; }
  .hero { padding: 40px 0 56px; }
  .hero-meta .metric strong { font-size: 22px; }
  .hero-meta .metric span { font-size: 11px; }
  .products-grid { grid-template-columns: 1fr; grid-auto-rows: 240px; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .trust-row { grid-template-columns: 1fr; }
  .trust-row-inner { grid-template-columns: 1fr; gap: 16px; }
  .trust-card h3 { font-size: 18px; }
  .trust-card .trust-icon { margin: 0; }
  .card .body { padding: 16px; flex-direction: column; align-items: flex-start; gap: 4px; }
  .card .body p { max-width: 100%; font-size: 12px; }
  .card .body h3 { font-size: 20px; }
  .section { padding: 48px 0; }
  .page-hero { padding: 48px 0 24px; }
  .page-hero .lead { font-size: 16px; }
  .section-head { margin-bottom: 32px; }
  .mobile-cta { left: 12px; right: 12px; bottom: 12px; padding: 14px 18px; font-size: 14px; }
  body { padding-bottom: 84px; }
  .step { padding: 22px; }
  .step h3 { font-size: 22px; }
  .faq-list { padding: 16px; }
  .faq-item { padding: 16px 0; }
  .faq-item summary { font-size: 14px; }
  .form input, .form textarea, .form select { padding: 12px 14px; font-size: 16px; }
  .footer-brand p { font-size: 13px; }
  .footer-meta { flex-direction: column; align-items: center; gap: 8px; }
}

/* A11y */
:focus-visible {
  outline: 2px solid var(--copper);
  outline-offset: 2px;
}
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}