/* Sagar Distributors — static site styles
   Neutral, credible B2B. No external fonts or assets. */

:root {
  --color-bg: #ffffff;
  --color-bg-alt: #f5f7fa;
  --color-text: #1f2933;
  --color-muted: #52606d;
  --color-primary: #1b3a5c;
  --color-primary-hover: #2c5f8a;
  --color-border: #d9e0e8;
  --color-accent-bg: #eef3f8;
  --maxw: 1080px;
  --radius: 6px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.65;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  line-height: 1.25;
  color: var(--color-primary);
  margin: 0 0 0.5em;
}

h1 { font-size: 2rem; }
h2 { font-size: 1.5rem; margin-top: 1.6em; }
h3 { font-size: 1.15rem; margin-top: 1.4em; }

p { margin: 0 0 1em; }

a { color: var(--color-primary-hover); }
a:hover { color: var(--color-primary); }

ul, ol { margin: 0 0 1em; padding-left: 1.3em; }
li { margin-bottom: 0.35em; }

hr {
  border: 0;
  border-top: 1px solid var(--color-border);
  margin: 2em 0;
}

/* Layout */
.container {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 20px;
}

main { display: block; }

.section { padding: 48px 0; }
.section--alt { background: var(--color-bg-alt); }
.section--tight { padding: 28px 0; }

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--color-primary);
  color: #fff;
  padding: 10px 16px;
  z-index: 200;
}
.skip-link:focus { left: 8px; top: 8px; }

/* Header / nav */
.site-header {
  border-bottom: 1px solid var(--color-border);
  background: var(--color-bg);
  position: sticky;
  top: 0;
  z-index: 100;
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  gap: 16px;
}
.brand-lockup {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--color-primary);
}
.brand-lockup img { display: block; height: 40px; width: auto; }
.brand-lockup .brand-text { font-weight: 700; font-size: 1.1rem; letter-spacing: 0.02em; }
.brand-lockup .brand-sub {
  display: block;
  font-weight: 400;
  font-size: 0.72rem;
  color: var(--color-muted);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.nav-toggle {
  display: none;
  border: 1px solid var(--color-border);
  background: var(--color-bg);
  border-radius: var(--radius);
  padding: 8px 12px;
  font-size: 0.95rem;
  cursor: pointer;
  color: var(--color-primary);
}

.site-nav ul {
  list-style: none;
  display: flex;
  gap: 4px;
  margin: 0;
  padding: 0;
  flex-wrap: wrap;
}
.site-nav a {
  display: block;
  padding: 10px 12px;
  text-decoration: none;
  color: var(--color-text);
  font-size: 0.95rem;
  border-radius: var(--radius);
}
.site-nav a:hover { background: var(--color-accent-bg); color: var(--color-primary); }
.site-nav a[aria-current="page"] {
  color: var(--color-primary);
  font-weight: 700;
  box-shadow: inset 0 -2px 0 var(--color-primary);
}

@media (max-width: 860px) {
  .nav-toggle { display: inline-block; }
  .site-nav {
    display: none;
    width: 100%;
    order: 3;
  }
  .site-nav.is-open { display: block; }
  .site-nav ul { flex-direction: column; gap: 2px; padding-bottom: 12px; }
  .site-header .container { flex-wrap: wrap; min-height: 64px; }
}

/* Hero */
.hero {
  background: var(--color-primary);
  color: #fff;
  padding: 56px 0;
}
.hero h1 { color: #fff; margin-bottom: 0.3em; }
.hero p { color: #dbe6f1; font-size: 1.1rem; max-width: 62ch; }
.hero .eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.8rem;
  color: #a9c4dc;
  margin-bottom: 0.6em;
}

/* Buttons */
.btn {
  display: inline-block;
  background: var(--color-primary);
  color: #fff;
  text-decoration: none;
  padding: 12px 20px;
  border-radius: var(--radius);
  font-size: 0.95rem;
  font-weight: 600;
  border: 1px solid var(--color-primary);
}
.btn:hover { background: var(--color-primary-hover); color: #fff; }
.btn--ghost {
  background: transparent;
  color: #fff;
  border-color: rgba(255,255,255,0.6);
}
.btn--ghost:hover { background: rgba(255,255,255,0.12); color: #fff; }
.btn--dark-ghost {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}
.btn--dark-ghost:hover { background: var(--color-accent-bg); color: var(--color-primary); }
.btn-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 20px; }

/* Breadcrumb */
.breadcrumb {
  font-size: 0.85rem;
  color: var(--color-muted);
  padding: 14px 0 0;
}
.breadcrumb a { color: var(--color-muted); }
.breadcrumb a:hover { color: var(--color-primary); }

/* Cards */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
  margin: 24px 0;
}
.card {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 22px;
  background: var(--color-bg);
}
.card h3 { margin-top: 0; }
.card p:last-child { margin-bottom: 0; }

/* Definition / info table */
.info-table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0 24px;
  font-size: 0.97rem;
}
.info-table th,
.info-table td {
  text-align: left;
  vertical-align: top;
  padding: 10px 14px;
  border: 1px solid var(--color-border);
}
.info-table th {
  background: var(--color-accent-bg);
  color: var(--color-primary);
  width: 34%;
  font-weight: 600;
}

/* Callout / note */
.note {
  border-left: 4px solid var(--color-primary-hover);
  background: var(--color-bg-alt);
  padding: 14px 18px;
  border-radius: 0 var(--radius) var(--radius) 0;
  margin: 20px 0;
  font-size: 0.95rem;
}
.note strong { color: var(--color-primary); }

/* Placeholder marker for un-filled content */
.placeholder {
  background: #fff4d6;
  border: 1px dashed #d9a441;
  color: #7a5200;
  padding: 1px 6px;
  border-radius: 4px;
  font-size: 0.9em;
}

/* Product record */
.product-record {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 20px 22px;
  margin: 18px 0;
  background: var(--color-bg);
}
.product-record h3 { margin-top: 0; }
.product-record dl {
  display: grid;
  grid-template-columns: 190px 1fr;
  gap: 6px 16px;
  margin: 0;
  font-size: 0.95rem;
}
.product-record dt { font-weight: 600; color: var(--color-muted); }
.product-record dd { margin: 0; }
@media (max-width: 560px) {
  .product-record dl { grid-template-columns: 1fr; gap: 2px; }
  .product-record dt { margin-top: 8px; }
}

/* Certificate figure */
.cert {
  margin: 24px 0;
  max-width: 460px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 14px;
  background: var(--color-bg);
}
.cert img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 3px;
}
.cert figcaption {
  margin-top: 12px;
  font-size: 0.88rem;
  color: var(--color-muted);
  line-height: 1.5;
}

/* Supply chain diagram */
.flow {
  max-width: 520px;
  margin: 28px auto;
}
.flow svg { width: 100%; height: auto; display: block; }

/* Footer */
.site-footer {
  background: var(--color-primary);
  color: #cdddea;
  padding: 40px 0 28px;
  font-size: 0.9rem;
  margin-top: 40px;
}
.site-footer a { color: #fff; }
.site-footer .footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 28px;
}
.site-footer h4 { color: #fff; font-size: 0.95rem; margin: 0 0 8px; }
.site-footer .footer-legal {
  margin-top: 24px;
  padding-top: 16px;
  border-top: 1px solid rgba(255,255,255,0.18);
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  align-items: center;
  justify-content: space-between;
}
.site-footer .footer-legal nav a { margin-right: 14px; }
@media (max-width: 640px) {
  .site-footer .footer-grid { grid-template-columns: 1fr; }
}

/* Utility */
.lead { font-size: 1.1rem; color: var(--color-muted); }
.mono { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }
.mt-0 { margin-top: 0; }
.center { text-align: center; }
.text-muted { color: var(--color-muted); }