/* =========================================================
   VANIGAN IMPEX — Design Tokens & Base Styles
   Brand concept: "trade documentation" — ink-stamp seals,
   manifest tables, mono data type. Built for B2B export trust.
   ========================================================= */

:root{
  /* --- Color tokens --- */
  --ink:        #1B2A4A;   /* Indigo Ink — primary, trust */
  --ink-soft:   #2C3E63;
  --teal:       #0E6E6E;   /* Cargo Teal — secondary, sustainability */
  --teal-dark:  #0A5555;
  --seal:       #B23A2E;   /* Seal Red — sparing accent / CTA */
  --gold:       #C9A227;   /* Gold Foil — certificates, rare accent */
  --paper:      #FAF8F3;   /* Paper White — background */
  --paper-dim:  #F1ECE0;
  --gray:       #6B7280;   /* Manifest Gray — secondary text */
  --gray-line:  #DAD4C4;
  --white:      #FFFFFF;

  /* --- Type --- */
  --font-display: 'Fraunces', 'Georgia', serif;
  --font-body:    'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono:    'JetBrains Mono', 'Courier New', monospace;

  /* --- Scale --- */
  --step-1: clamp(0.85rem, 0.8rem + 0.2vw, 0.95rem);
  --step-2: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --step-3: clamp(1.25rem, 1.1rem + 0.6vw, 1.6rem);
  --step-4: clamp(1.75rem, 1.4rem + 1.4vw, 2.5rem);
  --step-5: clamp(2.4rem, 1.8rem + 2.6vw, 4rem);

  --radius: 3px;
  --container: 1180px;
  --shadow-card: 0 1px 2px rgba(27,42,74,0.06), 0 8px 24px rgba(27,42,74,0.06);
}

@media (prefers-reduced-motion: no-preference){
  :root{ --transition: 220ms ease; }
}
@media (prefers-reduced-motion: reduce){
  *{ animation: none !important; transition: none !important; scroll-behavior: auto !important; }
}

*,*::before,*::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin:0;
  font-family: var(--font-body);
  background: var(--paper);
  color: var(--ink);
  font-size: var(--step-2);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img{ max-width:100%; display:block; }
a{ color: inherit; }
h1,h2,h3,h4{ font-family: var(--font-display); font-weight: 600; line-height: 1.15; margin: 0 0 0.5em; }
h1{ font-size: var(--step-5); }
h2{ font-size: var(--step-4); }
h3{ font-size: var(--step-3); }
p{ margin: 0 0 1em; color: var(--ink-soft); }
.container{ max-width: var(--container); margin: 0 auto; padding: 0 24px; }
.mono{ font-family: var(--font-mono); letter-spacing: 0.04em; }

:focus-visible{
  outline: 2.5px solid var(--teal);
  outline-offset: 2px;
}

/* --- Buttons --- */
.btn{
  display:inline-flex; align-items:center; gap:8px;
  font-family: var(--font-body); font-weight:600; font-size: var(--step-1);
  padding: 13px 26px; border-radius: var(--radius);
  text-decoration:none; cursor:pointer; border:1.5px solid transparent;
  transition: transform var(--transition), background var(--transition), border-color var(--transition), color var(--transition);
  letter-spacing: 0.01em;
}
.btn:hover{ transform: translateY(-1px); }
.btn-primary{ background: var(--ink); color: var(--paper); }
.btn-primary:hover{ background: var(--ink-soft); }
.btn-accent{ background: var(--seal); color: var(--white); }
.btn-accent:hover{ background: #98301F; }
.btn-outline{ background: transparent; border-color: var(--ink); color: var(--ink); }
.btn-outline:hover{ background: var(--ink); color: var(--paper); }
.btn-outline.on-dark{ border-color: rgba(250,248,243,0.6); color: var(--paper); }
.btn-outline.on-dark:hover{ background: var(--paper); color: var(--ink); }

/* --- Eyebrow / manifest label --- */
.eyebrow{
  display:inline-flex; align-items:center; gap:10px;
  font-family: var(--font-mono); font-size: 0.75rem; letter-spacing: 0.16em;
  text-transform: uppercase; color: var(--teal); margin-bottom: 14px;
}
.eyebrow::before{ content:""; width:22px; height:1.5px; background: var(--teal); }

/* --- Header --- */
.site-header{
  position: sticky; top:0; z-index: 50;
  background: rgba(250,248,243,0.92); backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--gray-line);
}
.site-header .container{
  display:flex; align-items:center; justify-content:space-between;
  height: 76px;
}
.brand{ display:flex; align-items:center; gap:12px; text-decoration:none; color:var(--ink); }
.brand img{ width:44px; height:44px; }
.brand-word{ font-family: var(--font-display); font-weight:700; font-size:1.15rem; letter-spacing:0.01em; }
.brand-word small{ display:block; font-family: var(--font-mono); font-size:0.62rem; letter-spacing:0.16em; color:var(--teal); font-weight:600; }

.nav-toggle{ display:none; background:none; border:none; cursor:pointer; padding:8px; }
.nav-toggle span{ display:block; width:24px; height:2px; background:var(--ink); margin:5px 0; transition: transform var(--transition), opacity var(--transition); }

.main-nav ul{ list-style:none; display:flex; gap:30px; margin:0; padding:0; align-items:center; }
.main-nav a{
  text-decoration:none; font-size:0.92rem; font-weight:500; color: var(--ink-soft);
  padding: 8px 0; position:relative;
}
.main-nav a::after{
  content:""; position:absolute; left:0; bottom:0; height:2px; width:0; background: var(--seal);
  transition: width var(--transition);
}
.main-nav a:hover::after, .main-nav a[aria-current="page"]::after{ width:100%; }
.main-nav a[aria-current="page"]{ color: var(--ink); font-weight:600; }
.header-cta{ display:flex; align-items:center; gap:16px; }

@media (max-width: 900px){
  .nav-toggle{ display:block; }
  .main-nav{
    position:fixed; inset: 76px 0 0 0; background: var(--paper);
    transform: translateX(100%); transition: transform var(--transition);
    overflow-y:auto; padding: 20px 24px 40px;
  }
  .main-nav.open{ transform: translateX(0); }
  .main-nav ul{ flex-direction:column; align-items:flex-start; gap:4px; }
  .main-nav a{ display:block; width:100%; padding:14px 4px; }
  .header-cta .btn-outline{ display:none; }
}

/* --- Hero (manifest strip) --- */
.hero{
  background: var(--ink); color: var(--paper);
  position:relative; overflow:hidden;
  padding: 90px 0 60px;
}
.hero::before{
  content:""; position:absolute; inset:0;
  background-image:
    repeating-linear-gradient(90deg, rgba(255,255,255,0.035) 0 1px, transparent 1px 120px);
  pointer-events:none;
}
.hero-grid{
  display:grid; grid-template-columns: 1.15fr 0.85fr; gap:56px; align-items:center;
  position:relative;
}
.hero h1{ color: var(--paper); }
.hero .lede{ color: rgba(250,248,243,0.78); font-size: var(--step-3); max-width: 46ch; }
.hero-actions{ display:flex; gap:16px; margin-top:32px; flex-wrap:wrap; }

.manifest{
  border: 1px solid rgba(250,248,243,0.22);
  background: rgba(250,248,243,0.04);
  border-radius: var(--radius);
  padding: 22px 24px;
  font-family: var(--font-mono); font-size: 0.82rem;
}
.manifest-row{
  display:flex; justify-content:space-between; gap:16px;
  padding: 10px 0; border-bottom: 1px dashed rgba(250,248,243,0.18);
}
.manifest-row:last-child{ border-bottom:none; }
.manifest-row dt{ color: rgba(250,248,243,0.5); text-transform:uppercase; letter-spacing:0.1em; font-size:0.72rem; }
.manifest-row dd{ margin:0; color: var(--paper); text-align:right; }
.manifest-row dd.stamp{ color:#7FD8B8; }

@media (max-width: 900px){
  .hero-grid{ grid-template-columns: 1fr; }
}

/* --- Section rhythm --- */
section{ padding: 88px 0; }
.section-tight{ padding: 56px 0; }
.section-alt{ background: var(--paper-dim); }
.section-ink{ background: var(--ink); color: var(--paper); }
.section-ink p{ color: rgba(250,248,243,0.75); }
.section-ink h2, .section-ink h3{ color: var(--paper); }
.section-head{ max-width: 640px; margin-bottom: 48px; }
.section-head.center{ margin-left:auto; margin-right:auto; text-align:center; }

/* --- Perforated divider (customs-tear motif) --- */
.tear-divider{
  height: 1px; border:none;
  background-image: repeating-linear-gradient(90deg, var(--gray-line) 0 8px, transparent 8px 16px);
  margin: 0;
}

/* --- Card grid --- */
.grid{ display:grid; gap:28px; }
.grid-3{ grid-template-columns: repeat(3, 1fr); }
.grid-4{ grid-template-columns: repeat(4, 1fr); }
@media (max-width: 980px){ .grid-3, .grid-4{ grid-template-columns: repeat(2,1fr); } }
@media (max-width: 600px){ .grid-3, .grid-4{ grid-template-columns: 1fr; } }

.card{
  background: var(--white); border: 1px solid var(--gray-line); border-radius: var(--radius);
  padding: 30px 26px; box-shadow: var(--shadow-card);
  transition: transform var(--transition), box-shadow var(--transition);
}
.card:hover{ transform: translateY(-3px); box-shadow: 0 4px 6px rgba(27,42,74,0.06), 0 16px 32px rgba(27,42,74,0.1); }
.card .icon{ width:44px; height:44px; color: var(--teal); margin-bottom:18px; }
.card h3{ font-size:1.15rem; margin-bottom:0.4em; }
.card p{ font-size:0.94rem; margin-bottom:0; }

/* --- Stamp badge (signature element) --- */
.stamp-badge{
  display:inline-flex; align-items:center; justify-content:center;
  width:64px; height:64px; border-radius:50%;
  border: 1.5px solid var(--seal); color: var(--seal);
  font-family: var(--font-mono); font-size:0.6rem; letter-spacing:0.08em; text-align:center;
  transform: rotate(-8deg);
}

/* --- Product cards --- */
.product-card{
  background: var(--white); border: 1px solid var(--gray-line); border-radius: var(--radius);
  overflow:hidden; box-shadow: var(--shadow-card); text-decoration:none; color:inherit;
  display:flex; flex-direction:column;
  transition: transform var(--transition), box-shadow var(--transition);
}
.product-card:hover{ transform: translateY(-3px); box-shadow: 0 4px 6px rgba(27,42,74,0.06), 0 16px 32px rgba(27,42,74,0.1); }
.product-thumb{
  aspect-ratio: 4/3; background: var(--paper-dim);
  display:flex; align-items:center; justify-content:center;
  border-bottom:1px solid var(--gray-line);
}
.product-thumb svg{ width:56%; height:56%; }
.product-body{ padding:20px 20px 24px; flex:1; display:flex; flex-direction:column; }
.product-cat{ font-family:var(--font-mono); font-size:0.68rem; letter-spacing:0.1em; text-transform:uppercase; color:var(--teal); margin-bottom:8px; }
.product-body h3{ font-size:1.05rem; margin-bottom:6px; }
.product-body p{ font-size:0.88rem; margin-bottom:14px; }
.product-meta{ margin-top:auto; display:flex; justify-content:space-between; font-family:var(--font-mono); font-size:0.76rem; color:var(--gray); border-top:1px dashed var(--gray-line); padding-top:12px; }

/* --- Filters bar --- */
.filters-bar{
  display:flex; gap:16px; flex-wrap:wrap; align-items:center;
  padding: 20px 24px; background: var(--white); border:1px solid var(--gray-line); border-radius: var(--radius);
  margin-bottom: 32px;
}
.filters-bar input[type="search"], .filters-bar select{
  font-family: var(--font-body); font-size:0.92rem;
  padding: 10px 14px; border:1px solid var(--gray-line); border-radius: var(--radius);
  background: var(--paper); color: var(--ink);
}
.filters-bar input[type="search"]{ flex:1; min-width:200px; }
.filters-count{ margin-left:auto; font-family:var(--font-mono); font-size:0.8rem; color:var(--gray); }

.pagination{ display:flex; justify-content:center; gap:8px; margin-top:40px; }
.pagination button{
  min-width:38px; height:38px; border:1px solid var(--gray-line); background:var(--white);
  border-radius: var(--radius); cursor:pointer; font-family:var(--font-mono); font-size:0.85rem;
}
.pagination button[aria-current="true"]{ background: var(--ink); color: var(--paper); border-color: var(--ink); }
.pagination button:hover:not([aria-current="true"]){ border-color: var(--ink); }

/* --- Steps (export process) --- */
.steps{ counter-reset: step; }
.step{
  display:grid; grid-template-columns: 90px 1fr; gap:28px; padding: 32px 0;
  border-bottom: 1px dashed var(--gray-line);
}
.step:last-child{ border-bottom:none; }
.step-num{
  font-family: var(--font-mono); font-size:1.8rem; color: var(--gray-line); font-weight:700;
}
.step h3{ margin-bottom:6px; }

/* --- Forms --- */
.form-grid{ display:grid; grid-template-columns: 1fr 1fr; gap:20px; }
.form-grid .full{ grid-column: 1 / -1; }
@media (max-width:700px){ .form-grid{ grid-template-columns: 1fr; } }
label{ display:block; font-size:0.86rem; font-weight:600; margin-bottom:6px; color: var(--ink); }
input, select, textarea{
  width:100%; font-family: var(--font-body); font-size:0.95rem;
  padding:12px 14px; border:1px solid var(--gray-line); border-radius: var(--radius);
  background: var(--white); color: var(--ink);
}
input:focus, select:focus, textarea:focus{ border-color: var(--teal); }
.field{ margin-bottom:0; }
textarea{ min-height:120px; resize:vertical; }
.form-note{ font-size:0.82rem; color: var(--gray); margin-top:8px; }

/* --- Info blocks (contact) --- */
.info-list{ list-style:none; margin:0; padding:0; }
.info-list li{ display:flex; gap:14px; padding:16px 0; border-bottom:1px solid var(--gray-line); }
.info-list li:last-child{ border-bottom:none; }
.info-list .k{ font-family:var(--font-mono); font-size:0.72rem; letter-spacing:0.1em; text-transform:uppercase; color:var(--teal); min-width:110px; }

/* --- Product detail --- */
.product-detail-grid{ display:grid; grid-template-columns: 0.85fr 1.15fr; gap:48px; align-items:start; }
.product-detail-info .lede{ font-size:1.05rem; }
@media (max-width: 860px){ .product-detail-grid{ grid-template-columns:1fr; } }
.spec-table{ width:100%; border-collapse:collapse; font-size:0.95rem; }
.spec-table th, .spec-table td{ text-align:left; padding:14px 16px; border-bottom:1px solid var(--gray-line); }
.spec-table th{ width:220px; font-family:var(--font-mono); font-size:0.78rem; letter-spacing:0.06em; text-transform:uppercase; color:var(--teal); font-weight:600; }
.breadcrumb{ font-family:var(--font-mono); font-size:0.78rem; color:var(--gray); margin-bottom:28px; }
.breadcrumb a{ text-decoration:none; color:var(--teal); }

/* --- Footer --- */
.site-footer{ background: var(--ink); color: rgba(250,248,243,0.75); padding: 64px 0 28px; }
.footer-grid{ display:grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap:40px; margin-bottom:48px; }
.footer-grid h4{ color: var(--paper); font-family: var(--font-body); font-size:0.82rem; letter-spacing:0.08em; text-transform:uppercase; margin-bottom:18px; }
.footer-grid ul{ list-style:none; margin:0; padding:0; }
.footer-grid li{ margin-bottom:10px; }
.footer-grid a{ text-decoration:none; color: rgba(250,248,243,0.72); font-size:0.9rem; }
.footer-grid a:hover{ color: var(--paper); }
.footer-bottom{ display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:12px; padding-top:24px; border-top:1px solid rgba(250,248,243,0.14); font-size:0.8rem; }
@media (max-width: 900px){ .footer-grid{ grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px){ .footer-grid{ grid-template-columns: 1fr; } }

/* --- Reveal-on-scroll (respects reduced motion) --- */
.reveal{ opacity:0; transform: translateY(16px); transition: opacity 600ms ease, transform 600ms ease; }
.reveal.in{ opacity:1; transform:none; }

/* --- Utility --- */
.mt-0{margin-top:0;} .center{text-align:center;} .muted{color:var(--gray);}
.badge-row{ display:flex; gap:14px; flex-wrap:wrap; align-items:center; }
.sr-only{ position:absolute; width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0; }