/* ============================================================
   XYZ Exports — Spare Parts Export (India → Germany)
   Brand palette tuned for a serious B2B medical/industrial buyer.
   Change --brand-* tokens to rebrand the whole site.
   ============================================================ */

:root {
  --brand-primary: #0a3d62;      /* deep industrial blue (Dräger-friendly) */
  --brand-primary-dark: #062c48;
  --brand-accent: #00a3a3;       /* teal accent for precision/medical */
  --brand-bg: #ffffff;
  --brand-bg-alt: #f4f6f9;
  --brand-bg-dark: #0a1929;
  --brand-text: #1a2533;
  --brand-text-soft: #4a5868;
  --brand-border: #e2e8f0;
  --brand-success: #16a34a;

  --radius: 6px;
  --shadow-sm: 0 1px 2px rgba(10, 25, 41, 0.06);
  --shadow-md: 0 4px 12px rgba(10, 25, 41, 0.08);
  --max-width: 1180px;

  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--brand-text);
  background: var(--brand-bg);
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }

a {
  color: var(--brand-primary);
  text-decoration: none;
  transition: color 0.15s ease;
}
a:hover { color: var(--brand-accent); }

h1, h2, h3, h4 {
  color: var(--brand-primary-dark);
  line-height: 1.25;
  margin: 0 0 0.6em;
  font-weight: 700;
  letter-spacing: -0.01em;
}
h1 { font-size: clamp(2rem, 4vw, 3rem); }
h2 { font-size: clamp(1.6rem, 3vw, 2.25rem); }
h3 { font-size: 1.25rem; }

p { margin: 0 0 1em; }

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ---------- Header / Nav ---------- */
.site-header {
  position: sticky;
  top: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid var(--brand-border);
  z-index: 50;
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.9rem 1.5rem;
  max-width: var(--max-width);
  margin: 0 auto;
}
.brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--brand-primary-dark);
}
.brand-mark {
  width: 34px;
  height: 34px;
  border-radius: var(--radius);
  background: linear-gradient(135deg, var(--brand-primary), var(--brand-accent));
  display: grid;
  place-items: center;
  color: #fff;
  font-weight: 800;
  font-size: 0.95rem;
}
.brand-tag {
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--brand-text-soft);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.nav-links {
  list-style: none;
  display: flex;
  gap: 1.75rem;
  margin: 0; padding: 0;
}
.nav-links a {
  color: var(--brand-text);
  font-weight: 500;
  font-size: 0.95rem;
}
.nav-links a.active,
.nav-links a:hover { color: var(--brand-accent); }
.nav-cta {
  background: var(--brand-primary);
  color: #fff !important;
  padding: 0.55rem 1.1rem;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.9rem;
}
.nav-cta:hover { background: var(--brand-primary-dark); color: #fff !important; }

.nav-toggle {
  display: none;
  background: none;
  border: 0;
  font-size: 1.5rem;
  color: var(--brand-primary-dark);
  cursor: pointer;
}

@media (max-width: 820px) {
  .nav-links {
    position: absolute;
    top: 100%; left: 0; right: 0;
    flex-direction: column;
    background: #fff;
    padding: 1rem 1.5rem 1.5rem;
    gap: 1rem;
    border-bottom: 1px solid var(--brand-border);
    transform: translateY(-10px);
    opacity: 0; visibility: hidden;
    transition: all 0.18s ease;
  }
  .nav-links.open { transform: translateY(0); opacity: 1; visibility: visible; }
  .nav-toggle { display: block; }
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  background:
    linear-gradient(135deg, rgba(10, 61, 98, 0.92), rgba(6, 44, 72, 0.95)),
    url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 100 100'><defs><pattern id='g' width='20' height='20' patternUnits='userSpaceOnUse'><path d='M 20 0 L 0 0 0 20' fill='none' stroke='%23ffffff' stroke-opacity='0.05' stroke-width='1'/></pattern></defs><rect width='100' height='100' fill='url(%23g)'/></svg>");
  color: #fff;
  padding: 5.5rem 0 5rem;
  overflow: hidden;
}
.hero h1 { color: #fff; max-width: 22ch; }
.hero p.lead {
  font-size: 1.15rem;
  color: rgba(255,255,255,0.85);
  max-width: 60ch;
  margin-bottom: 2rem;
}
.hero-eyebrow {
  display: inline-block;
  background: rgba(0, 163, 163, 0.18);
  color: #6fe3e3;
  border: 1px solid rgba(0, 163, 163, 0.35);
  padding: 0.35rem 0.85rem;
  border-radius: 100px;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 1.25rem;
  font-weight: 600;
}
.hero-cta { display: flex; gap: 0.85rem; flex-wrap: wrap; }

.btn {
  display: inline-block;
  padding: 0.85rem 1.5rem;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.15s ease;
}
.btn-primary { background: var(--brand-accent); color: #fff; }
.btn-primary:hover { background: #008787; color: #fff; }
.btn-ghost { background: transparent; color: #fff; border-color: rgba(255,255,255,0.4); }
.btn-ghost:hover { background: rgba(255,255,255,0.1); color: #fff; }

/* ---------- Sections ---------- */
section { padding: 4.5rem 0; }
section.alt { background: var(--brand-bg-alt); }
.section-head { max-width: 720px; margin: 0 auto 2.5rem; text-align: center; }
.section-head .eyebrow {
  color: var(--brand-accent);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  font-weight: 700;
  text-transform: uppercase;
  display: block;
  margin-bottom: 0.6rem;
}
.section-head p { color: var(--brand-text-soft); font-size: 1.05rem; }

/* ---------- Card grids ---------- */
.grid {
  display: grid;
  gap: 1.5rem;
}
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
@media (max-width: 900px) {
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .grid-3, .grid-4, .grid-2 { grid-template-columns: 1fr; }
}

.card {
  background: #fff;
  border: 1px solid var(--brand-border);
  border-radius: var(--radius);
  padding: 1.75rem;
  box-shadow: var(--shadow-sm);
  transition: all 0.18s ease;
}
.card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); border-color: #cbd5e1; }
.card .icon {
  width: 44px; height: 44px;
  border-radius: var(--radius);
  background: rgba(0, 163, 163, 0.1);
  color: var(--brand-accent);
  display: grid; place-items: center;
  font-size: 1.2rem;
  margin-bottom: 1rem;
}
.card h3 { font-size: 1.15rem; margin-bottom: 0.5rem; }
.card p { color: var(--brand-text-soft); font-size: 0.95rem; margin: 0; }

/* ---------- Stats ---------- */
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  background: #fff;
  border: 1px solid var(--brand-border);
  border-radius: var(--radius);
  padding: 1.75rem;
  margin-top: -3rem;
  position: relative;
  z-index: 2;
  box-shadow: var(--shadow-md);
}
.stat-num {
  font-size: 1.85rem;
  font-weight: 800;
  color: var(--brand-primary);
  line-height: 1;
}
.stat-label {
  font-size: 0.85rem;
  color: var(--brand-text-soft);
  margin-top: 0.35rem;
}
@media (max-width: 700px) { .stats { grid-template-columns: repeat(2, 1fr); } }

/* ---------- Two-column ---------- */
.two-col {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 3rem;
  align-items: center;
}
@media (max-width: 900px) { .two-col { grid-template-columns: 1fr; gap: 2rem; } }
.lede { font-size: 1.1rem; color: var(--brand-text-soft); }
.checks { list-style: none; padding: 0; margin: 1rem 0; }
.checks li {
  padding-left: 1.75rem;
  position: relative;
  margin-bottom: 0.6rem;
  color: var(--brand-text);
}
.checks li::before {
  content: "✓";
  position: absolute;
  left: 0; top: 0;
  width: 20px; height: 20px;
  background: var(--brand-accent);
  color: #fff;
  border-radius: 50%;
  display: grid; place-items: center;
  font-size: 0.7rem;
  font-weight: 700;
  line-height: 1;
}

.image-block {
  border-radius: var(--radius);
  overflow: hidden;
  background: linear-gradient(135deg, var(--brand-primary), var(--brand-accent));
  aspect-ratio: 4/3;
  display: grid;
  place-items: center;
  color: rgba(255,255,255,0.9);
  font-weight: 600;
  letter-spacing: 0.05em;
  text-align: center;
  padding: 2rem;
  font-size: 0.9rem;
  text-transform: uppercase;
}

/* ---------- Capability table ---------- */
.cap-table {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
  border: 1px solid var(--brand-border);
  border-radius: var(--radius);
  overflow: hidden;
  font-size: 0.95rem;
}
.cap-table th, .cap-table td {
  padding: 0.85rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--brand-border);
}
.cap-table th {
  background: var(--brand-bg-alt);
  font-weight: 600;
  color: var(--brand-primary-dark);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.cap-table tr:last-child td { border-bottom: 0; }

/* ---------- Process steps ---------- */
.steps {
  counter-reset: step;
  display: grid;
  gap: 1.25rem;
  grid-template-columns: repeat(3, 1fr);
}
@media (max-width: 900px) { .steps { grid-template-columns: 1fr; } }
.step {
  background: #fff;
  border: 1px solid var(--brand-border);
  border-radius: var(--radius);
  padding: 1.5rem;
  position: relative;
}
.step::before {
  counter-increment: step;
  content: counter(step, decimal-leading-zero);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--brand-accent);
  letter-spacing: 0.05em;
  display: block;
  margin-bottom: 0.5rem;
}

/* ---------- CTA banner ---------- */
.cta-banner {
  background: linear-gradient(135deg, var(--brand-primary-dark), var(--brand-primary));
  color: #fff;
  text-align: center;
  padding: 3.5rem 1.5rem;
  border-radius: var(--radius);
}
.cta-banner h2 { color: #fff; }
.cta-banner p { color: rgba(255,255,255,0.85); max-width: 60ch; margin: 0 auto 1.5rem; }

/* ---------- Forms ---------- */
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}
@media (max-width: 700px) { .form-grid { grid-template-columns: 1fr; } }
.field { display: flex; flex-direction: column; }
.field.full { grid-column: 1 / -1; }
.field label {
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 0.4rem;
  color: var(--brand-text);
}
.field input, .field select, .field textarea {
  font: inherit;
  padding: 0.75rem 0.9rem;
  border: 1px solid var(--brand-border);
  border-radius: var(--radius);
  background: #fff;
  color: var(--brand-text);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none;
  border-color: var(--brand-accent);
  box-shadow: 0 0 0 3px rgba(0, 163, 163, 0.15);
}
.field textarea { min-height: 130px; resize: vertical; }
.form-note {
  font-size: 0.85rem;
  color: var(--brand-text-soft);
  margin-top: 0.75rem;
}
.form-status {
  margin-top: 1rem;
  padding: 0.75rem 1rem;
  border-radius: var(--radius);
  font-size: 0.9rem;
  display: none;
}
.form-status.success { display: block; background: #ecfdf5; color: #065f46; border: 1px solid #a7f3d0; }
.form-status.error { display: block; background: #fef2f2; color: #991b1b; border: 1px solid #fecaca; }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--brand-bg-dark);
  color: rgba(255,255,255,0.75);
  padding: 3.5rem 0 1.5rem;
  font-size: 0.92rem;
}
.site-footer h4 {
  color: #fff;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 1rem;
}
.site-footer a { color: rgba(255,255,255,0.75); }
.site-footer a:hover { color: var(--brand-accent); }
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 2rem;
  margin-bottom: 2.5rem;
}
@media (max-width: 800px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 500px) { .footer-grid { grid-template-columns: 1fr; } }
.footer-grid ul { list-style: none; padding: 0; margin: 0; }
.footer-grid li { margin-bottom: 0.5rem; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 1.5rem;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.5);
}

/* ---------- Page header (sub-pages) ---------- */
.page-header {
  background: linear-gradient(135deg, var(--brand-primary), var(--brand-primary-dark));
  color: #fff;
  padding: 4rem 0 3rem;
}
.page-header h1 { color: #fff; margin-bottom: 0.5rem; }
.page-header p { color: rgba(255,255,255,0.8); max-width: 65ch; margin: 0; font-size: 1.05rem; }
.crumbs { font-size: 0.85rem; color: rgba(255,255,255,0.6); margin-bottom: 0.75rem; }
.crumbs a { color: rgba(255,255,255,0.85); }

/* ---------- Utility ---------- */
.text-center { text-align: center; }
.mt-2 { margin-top: 1rem; }
.mt-4 { margin-top: 2rem; }