/* =========================================================
   Aspha Board Pvt. Ltd. — Design System
   Aesthetic: Refined Industrial Minimal
   Fonts: Cormorant Garamond (headings) + DM Sans (body)
   ========================================================= */

/* ── Variables ───────────────────────────────────────────── */
:root {
  --ink:       #0f1c0f;
  --ink-soft:  #3a4a3a;
  --ink-mute:  #6a7a6a;
  --parchment: #f9f8f4;
  --cream:     #f3f0e8;
  --border:    #ddd9ce;
  --gold:      #c8a96e;
  --gold-dark: #a6873c;
  --white:     #ffffff;

  --font-display: 'Cormorant Garamond', Georgia, serif;
  --font-body:    'DM Sans', system-ui, sans-serif;
  --font-mono:    'DM Mono', monospace;

  --radius:   4px;
  --radius-lg: 8px;
  --shadow:   0 2px 16px rgba(15,28,15,0.08);
  --shadow-lg:0 8px 40px rgba(15,28,15,0.12);

  --ease-out:    cubic-bezier(0.16, 1, 0.3, 1);
  --transition:  0.3s var(--ease-out);

  --header-h: 72px;
  --topbar-h: 36px;
}

/* ── Reset ────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-body);
  background: var(--parchment);
  color: var(--ink);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
address { font-style: normal; }

/* ── Utilities ────────────────────────────────────────────── */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); }

/* ── Buttons ──────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-radius: var(--radius);
  cursor: pointer;
  border: none;
  transition: var(--transition);
  white-space: nowrap;
}
.btn--primary {
  background: var(--ink);
  color: var(--white);
}
.btn--primary:hover { background: var(--gold-dark); }
.btn--gold {
  background: var(--gold);
  color: var(--ink);
}
.btn--gold:hover { background: var(--gold-dark); color: var(--white); }
.btn--outline {
  background: transparent;
  color: var(--ink);
  border: 1.5px solid var(--ink);
}
.btn--outline:hover { background: var(--ink); color: var(--white); }
.btn--outline-light {
  background: transparent;
  color: var(--white);
  border: 1.5px solid rgba(255,255,255,0.5);
}
.btn--outline-light:hover { background: var(--white); color: var(--ink); }
.btn--sm { padding: 8px 18px; font-size: 12px; }
.btn--lg { padding: 16px 40px; font-size: 14px; }

/* ── Top Bar ──────────────────────────────────────────────── */
.topbar {
  height: var(--topbar-h);
  background: var(--ink);
  color: rgba(255,255,255,0.7);
  font-size: 12px;
  letter-spacing: 0.05em;
}
.topbar__inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* ── Header ───────────────────────────────────────────────── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  background: var(--white);
  border-bottom: 1px solid var(--border);
  transition: box-shadow var(--transition);
}
.site-header.scrolled { box-shadow: var(--shadow); }

.header__inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

/* Logo */
.logo { display: flex; align-items: center; gap: 12px; }
.logo__mark {
  width: 42px;
  height: 42px;
  background: var(--ink);
  color: var(--gold);
  display: grid;
  place-items: center;
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 600;
  border-radius: var(--radius);
  flex-shrink: 0;
}
.logo__text { display: flex; flex-direction: column; line-height: 1.2; }
.logo__text strong { font-family: var(--font-display); font-size: 18px; font-weight: 600; color: var(--ink); }
.logo__text small { font-size: 10px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-mute); }

/* Nav */
.main-nav { flex: 1; }
.nav__list { display: flex; align-items: center; justify-content: center; gap: 4px; }
.nav__item { position: relative; }
.nav__link {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 8px 14px;
  font-size: 13.5px;
  font-weight: 400;
  letter-spacing: 0.02em;
  color: var(--ink-soft);
  background: none;
  border: none;
  cursor: pointer;
  border-radius: var(--radius);
  transition: color 0.2s, background 0.2s;
}
.nav__link:hover, .nav__link.active { color: var(--ink); background: var(--cream); }
.nav__link.active { font-weight: 500; }
.caret { font-size: 10px; transition: transform 0.2s; }
.nav__item--dropdown:hover .caret { transform: rotate(180deg); }

/* Dropdown */
.dropdown {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  min-width: 200px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: 8px;
  opacity: 0;
  pointer-events: none;
  transform: translateY(-8px);
  transition: opacity 0.2s, transform 0.2s;
}
.nav__item--dropdown:hover .dropdown,
.nav__item--dropdown:focus-within .dropdown {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}
.dropdown__link {
  display: block;
  padding: 9px 14px;
  font-size: 13.5px;
  color: var(--ink-soft);
  border-radius: var(--radius);
  transition: background 0.15s, color 0.15s;
}
.dropdown__link:hover, .dropdown__link.active { background: var(--cream); color: var(--ink); }

/* Header Actions */
.header__actions { display: flex; align-items: center; gap: 12px; }
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.hamburger span { display: block; width: 22px; height: 1.5px; background: var(--ink); transition: var(--transition); }
.hamburger.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* ── Mobile Nav ───────────────────────────────────────────── */
.mobile-nav {
  position: fixed;
  top: 0; right: -100%;
  width: min(360px, 90vw);
  height: 100dvh;
  background: var(--white);
  z-index: 200;
  padding: 80px 32px 40px;
  overflow-y: auto;
  transition: right var(--transition);
  border-left: 1px solid var(--border);
}
.mobile-nav.open { right: 0; }
.mobile-overlay {
  position: fixed; inset: 0;
  background: rgba(15,28,15,0.5);
  z-index: 150;
  opacity: 0; pointer-events: none;
  transition: opacity var(--transition);
  backdrop-filter: blur(2px);
}
.mobile-overlay.open { opacity: 1; pointer-events: auto; }
.mobile-nav ul { display: flex; flex-direction: column; gap: 4px; }
.mobile-nav a, .mobile-group__label {
  display: block;
  padding: 10px 0;
  font-size: 15px;
  color: var(--ink-soft);
  border-bottom: 1px solid var(--border);
}
.mobile-group__label { font-weight: 500; color: var(--ink); }
.mobile-group ul { padding-left: 16px; margin-top: 4px; }

/* ── Main Content ─────────────────────────────────────────── */
.main-content { min-height: 60vh; }

/* ── Hero ─────────────────────────────────────────────────── */
.hero {
  background: var(--ink);
  color: var(--white);
  padding: 100px 0 80px;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    repeating-linear-gradient(0deg, transparent, transparent 39px, rgba(255,255,255,0.025) 40px),
    repeating-linear-gradient(90deg, transparent, transparent 39px, rgba(255,255,255,0.025) 40px);
  pointer-events: none;
}
.hero__eyebrow {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 20px;
  padding: 6px 14px;
  border: 1px solid rgba(200,169,110,0.3);
  border-radius: 100px;
}
.hero__title {
  font-family: var(--font-display);
  font-size: clamp(44px, 6vw, 80px);
  font-weight: 300;
  line-height: 1.1;
  margin-bottom: 24px;
  max-width: 700px;
}
.hero__title em { color: var(--gold); font-style: normal; }
.hero__subtitle {
  font-size: 17px;
  color: rgba(255,255,255,0.6);
  max-width: 500px;
  line-height: 1.7;
  margin-bottom: 40px;
}
.hero__actions { display: flex; gap: 14px; flex-wrap: wrap; }

.hero__deco {
  position: absolute;
  right: -60px; bottom: -80px;
  width: 500px; height: 500px;
  border: 1px solid rgba(200,169,110,0.12);
  border-radius: 50%;
  pointer-events: none;
}
.hero__deco::before {
  content: '';
  position: absolute;
  inset: 40px;
  border: 1px solid rgba(200,169,110,0.08);
  border-radius: 50%;
}

/* ── Stats Bar ────────────────────────────────────────────── */
.stats-bar { background: var(--cream); border-bottom: 1px solid var(--border); }
.stats-bar__inner {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  divide-x: 1px solid var(--border);
}
.stat {
  padding: 32px 24px;
  text-align: center;
  border-right: 1px solid var(--border);
}
.stat:last-child { border-right: none; }
.stat__value {
  font-family: var(--font-display);
  font-size: 42px;
  font-weight: 300;
  color: var(--ink);
  line-height: 1;
  margin-bottom: 6px;
}
.stat__label {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--ink-mute);
}

/* ── Section ──────────────────────────────────────────────── */
.section { padding: 96px 0; }
.section--alt { background: var(--cream); }
.section--dark { background: var(--ink); color: var(--white); }

.section__eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 14px;
  display: block;
}
.section__title {
  font-family: var(--font-display);
  font-size: clamp(32px, 4vw, 54px);
  font-weight: 300;
  line-height: 1.15;
  margin-bottom: 20px;
}
.section__subtitle {
  font-size: 16px;
  color: var(--ink-mute);
  max-width: 600px;
  line-height: 1.75;
}
.section--dark .section__subtitle { color: rgba(255,255,255,0.55); }
.section__header { margin-bottom: 60px; }
.section__header--center { text-align: center; }
.section__header--center .section__subtitle { margin: 0 auto; }

/* ── Products Grid ────────────────────────────────────────── */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 24px;
}
.product-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  position: relative;
  overflow: hidden;
  transition: box-shadow var(--transition), transform var(--transition), border-color var(--transition);
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.product-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 3px; height: 0;
  background: var(--gold);
  transition: height var(--transition);
}
.product-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); border-color: transparent; }
.product-card:hover::before { height: 100%; }
.product-card__icon {
  font-size: 32px;
  line-height: 1;
}
.product-card__name {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 400;
  color: var(--ink);
}
.product-card__desc {
  font-size: 14px;
  color: var(--ink-mute);
  line-height: 1.7;
  flex: 1;
}
.product-card__link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--ink);
  transition: color 0.2s, gap 0.2s;
}
.product-card__link:hover { color: var(--gold-dark); gap: 10px; }

/* ── About Section ────────────────────────────────────────── */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.about-features { display: flex; flex-direction: column; gap: 24px; margin-top: 40px; }
.about-feature {
  display: flex;
  gap: 20px;
  padding: 20px 0;
  border-bottom: 1px solid var(--border);
}
.about-feature:last-child { border-bottom: none; }
.about-feature__icon {
  width: 44px;
  height: 44px;
  background: var(--cream);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  display: grid;
  place-items: center;
  font-size: 20px;
  flex-shrink: 0;
}
.about-feature__title { font-weight: 500; margin-bottom: 4px; font-size: 15px; }
.about-feature__text { font-size: 13.5px; color: var(--ink-mute); line-height: 1.6; }

.about-visual {
  position: relative;
}
.about-visual__block {
  background: var(--cream);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  aspect-ratio: 4/5;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  font-family: var(--font-display);
  font-size: 80px;
}
.about-badge {
  position: absolute;
  bottom: -20px; right: -20px;
  background: var(--ink);
  color: var(--white);
  border-radius: var(--radius-lg);
  padding: 20px 24px;
  text-align: center;
  box-shadow: var(--shadow-lg);
}
.about-badge__num { font-family: var(--font-display); font-size: 48px; font-weight: 300; line-height: 1; color: var(--gold); }
.about-badge__label { font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; opacity: 0.7; }

/* ── CTA Banner ───────────────────────────────────────────── */
.cta-banner {
  background: var(--ink);
  color: var(--white);
  padding: 80px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-banner__title {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 50px);
  font-weight: 300;
  margin-bottom: 14px;
}
.cta-banner__sub {
  color: rgba(255,255,255,0.55);
  font-size: 16px;
  margin-bottom: 36px;
}
.cta-banner__actions { display: flex; justify-content: center; gap: 14px; flex-wrap: wrap; }

/* ── Page Hero (inner pages) ──────────────────────────────── */
.page-hero {
  background: var(--ink);
  color: var(--white);
  padding: 72px 0 56px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.page-hero__eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 12px;
}
.page-hero__title {
  font-family: var(--font-display);
  font-size: clamp(34px, 5vw, 60px);
  font-weight: 300;
  line-height: 1.1;
}
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 20px;
  font-size: 13px;
  color: rgba(255,255,255,0.4);
}
.breadcrumb a { color: rgba(255,255,255,0.6); transition: color 0.2s; }
.breadcrumb a:hover { color: var(--gold); }
.breadcrumb__sep { font-size: 10px; }

/* ── Contact Layout ───────────────────────────────────────── */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 64px;
  align-items: start;
}
.contact-info { display: flex; flex-direction: column; gap: 28px; }
.contact-info-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px 28px;
  display: flex;
  gap: 16px;
  align-items: flex-start;
  transition: box-shadow var(--transition);
}
.contact-info-card:hover { box-shadow: var(--shadow); }
.contact-info-card__icon {
  width: 44px; height: 44px;
  background: var(--cream);
  border-radius: var(--radius);
  display: grid; place-items: center;
  font-size: 20px; flex-shrink: 0;
}
.contact-info-card__label {
  font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--ink-mute); margin-bottom: 6px;
}
.contact-info-card__value { font-size: 14.5px; line-height: 1.6; }
.contact-info-card__value a:hover { color: var(--gold-dark); }

/* ── Form ─────────────────────────────────────────────────── */
.contact-form-wrap {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 48px;
}
.form-title {
  font-family: var(--font-display);
  font-size: 26px;
  margin-bottom: 28px;
  color: var(--ink);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form-group { margin-bottom: 20px; }
.form-group--full { grid-column: 1 / -1; }
.form-label {
  display: block;
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-mute);
  margin-bottom: 8px;
  font-weight: 500;
}
.form-control {
  width: 100%;
  padding: 12px 16px;
  font-family: var(--font-body);
  font-size: 14.5px;
  color: var(--ink);
  background: var(--parchment);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: border-color 0.2s, box-shadow 0.2s;
  outline: none;
}
.form-control:focus {
  border-color: var(--ink);
  box-shadow: 0 0 0 3px rgba(15,28,15,0.08);
  background: var(--white);
}
textarea.form-control { resize: vertical; min-height: 130px; }
.form-control.error { border-color: #c0392b; }
.form-error { font-size: 12px; color: #c0392b; margin-top: 5px; }
.form-submit { margin-top: 8px; }
.form-submit .btn { width: 100%; justify-content: center; }

.alert {
  padding: 14px 18px;
  border-radius: var(--radius);
  font-size: 14px;
  margin-bottom: 20px;
  display: flex; align-items: flex-start; gap: 10px;
}
.alert--success { background: #e8f5e9; color: #1b5e20; border: 1px solid #a5d6a7; }
.alert--error   { background: #fce4ec; color: #880e4f; border: 1px solid #f48fb1; }

/* ── About Page ───────────────────────────────────────────── */
.quality-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 24px;
}
.quality-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
}
.quality-card__icon { font-size: 28px; margin-bottom: 16px; }
.quality-card__title { font-family: var(--font-display); font-size: 20px; margin-bottom: 10px; }
.quality-card__text { font-size: 14px; color: var(--ink-mute); line-height: 1.7; }

.mission-list { display: flex; flex-direction: column; gap: 20px; margin-top: 40px; }
.mission-item {
  display: flex; gap: 20px; align-items: flex-start;
  padding: 20px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-lg);
}
.mission-item__num {
  font-family: var(--font-display); font-size: 40px; font-weight: 300;
  color: var(--gold); line-height: 1; flex-shrink: 0; min-width: 36px;
}
.mission-item__text { font-size: 15px; color: rgba(255,255,255,0.7); line-height: 1.7; padding-top: 8px; }

/* ── Product Page ─────────────────────────────────────────── */
.product-detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}
.spec-table { width: 100%; border-collapse: collapse; margin-top: 24px; }
.spec-table tr { border-bottom: 1px solid var(--border); }
.spec-table th, .spec-table td {
  padding: 13px 16px;
  text-align: left;
  font-size: 14px;
}
.spec-table th { background: var(--cream); font-weight: 500; width: 40%; color: var(--ink-soft); }
.spec-table td { color: var(--ink); }

.tag-list { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 16px; }
.tag {
  padding: 6px 14px;
  font-size: 12px;
  letter-spacing: 0.08em;
  border: 1px solid var(--border);
  border-radius: 100px;
  color: var(--ink-soft);
}

/* ── Footer ───────────────────────────────────────────────── */
.site-footer { background: var(--ink); color: rgba(255,255,255,0.7); }
.footer__top { padding: 72px 0; }
.footer__grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.4fr;
  gap: 48px;
}
.footer__col--brand .footer__logo {
  display: flex; align-items: center; gap: 12px;
  margin-bottom: 20px;
}
.footer__col--brand .logo__mark { background: var(--gold); color: var(--ink); }
.footer__col--brand .logo__text strong { color: var(--white); }
.footer__col--brand .logo__text small { color: rgba(255,255,255,0.45); }
.footer__tagline { font-size: 14px; line-height: 1.75; color: rgba(255,255,255,0.5); }
.footer__social { display: flex; gap: 12px; margin-top: 24px; }
.social-icon {
  width: 36px; height: 36px;
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: var(--radius);
  display: grid; place-items: center;
  font-size: 12px; font-weight: 500;
  color: rgba(255,255,255,0.5);
  transition: var(--transition);
}
.social-icon:hover { border-color: var(--gold); color: var(--gold); }
.footer__heading {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.35);
  margin-bottom: 20px;
}
.footer__links { display: flex; flex-direction: column; gap: 10px; }
.footer__links a {
  font-size: 14px;
  color: rgba(255,255,255,0.55);
  transition: color 0.2s;
}
.footer__links a:hover { color: var(--gold); }
.footer__address { display: flex; flex-direction: column; gap: 16px; }
.footer__contact-item {
  display: flex; gap: 12px; align-items: flex-start;
  font-size: 13.5px; color: rgba(255,255,255,0.55); line-height: 1.6;
}
.footer__contact-item a:hover { color: var(--gold); }
.ci-icon { flex-shrink: 0; font-size: 14px; margin-top: 2px; }
.footer__bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 20px 0;
}
.footer__bottom-inner {
  display: flex; justify-content: space-between;
  font-size: 12px; color: rgba(255,255,255,0.3);
  flex-wrap: wrap; gap: 8px;
}

/* ── Animations ───────────────────────────────────────────── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}
.animate-in { opacity: 0; }
.animate-in.visible { animation: fadeUp 0.6s var(--ease-out) forwards; }
.animate-in:nth-child(2) { animation-delay: 0.1s; }
.animate-in:nth-child(3) { animation-delay: 0.2s; }
.animate-in:nth-child(4) { animation-delay: 0.3s; }
.animate-in:nth-child(5) { animation-delay: 0.4s; }

/* ── Responsive ───────────────────────────────────────────── */
@media (max-width: 1024px) {
  .about-grid, .product-detail-grid { grid-template-columns: 1fr; gap: 48px; }
  .footer__grid { grid-template-columns: 1fr 1fr; gap: 40px; }
  .contact-grid { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .main-nav, .header__actions .btn--outline { display: none; }
  .hamburger { display: flex; }
  .stats-bar__inner { grid-template-columns: 1fr 1fr; }
  .stat { border-right: none; border-bottom: 1px solid var(--border); }
  .stat:nth-child(odd) { border-right: 1px solid var(--border); }
  .stat:nth-last-child(-n+2) { border-bottom: none; }
  .form-row { grid-template-columns: 1fr; }
  .contact-form-wrap { padding: 32px 24px; }
  .footer__grid { grid-template-columns: 1fr; }
  .hero { padding: 72px 0 56px; }
  .section { padding: 64px 0; }
  .topbar { display: none; }
}
@media (max-width: 480px) {
  .hero__actions { flex-direction: column; }
  .hero__actions .btn { justify-content: center; }
  .cta-banner__actions { flex-direction: column; align-items: center; }
}

/* ── Mobile nav close button ─────────────────────────────── */
.mobile-nav__close {
  position: absolute;
  top: 20px; right: 20px;
  background: none; border: none;
  font-size: 20px; color: var(--ink-mute);
  cursor: pointer; padding: 8px;
  line-height: 1;
}
.mobile-nav__close:hover { color: var(--ink); }
.mobile-nav__footer {
  margin-top: 40px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  font-size: 14px;
  display: flex; flex-direction: column; gap: 8px;
}
.mobile-nav__footer a { color: var(--ink-soft); }
.mobile-nav__footer a:hover { color: var(--gold-dark); }

/* ── Ensure form select matches inputs ───────────────────── */
select.form-control {
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%236a7a6a' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 40px;
  cursor: pointer;
}

/* ── Product detail grid responsive ─────────────────────── */
@media (max-width: 900px) {
  .product-detail-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}

/* ── Spec table responsive ───────────────────────────────── */
@media (max-width: 500px) {
  .spec-table th, .spec-table td { padding: 10px 12px; font-size: 13px; }
  .spec-table th { width: 45%; }
}

/* ── Topbar responsive ───────────────────────────────────── */
@media (max-width: 600px) {
  .topbar { display: none; }
}

/* ── Hero responsive ─────────────────────────────────────── */
@media (max-width: 600px) {
  .hero { padding: 64px 0 48px; }
  .hero__title { font-size: clamp(36px, 10vw, 54px); }
  .hero__subtitle { font-size: 15px; }
}

/* ── Section responsive ──────────────────────────────────── */
@media (max-width: 600px) {
  .section { padding: 56px 0; }
  .section__header { margin-bottom: 40px; }
}

/* ── Footer responsive ───────────────────────────────────── */
@media (max-width: 600px) {
  .footer__top { padding: 48px 0; }
  .footer__grid { gap: 32px; }
}

/* ── Contact grid responsive ─────────────────────────────── */
@media (max-width: 900px) {
  .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .contact-form-wrap { padding: 32px 24px; }
}

/* ── Stats bar responsive ────────────────────────────────── */
@media (max-width: 500px) {
  .stats-bar__inner { grid-template-columns: 1fr 1fr; }
  .stat__value { font-size: 32px; }
}