/* IS Distributions — International B2B design system */
:root {
  --bg: #f5f5f7;
  --surface: #ffffff;
  --ink: #1d1d1f;
  --muted: #6e6e73;
  --line: #e8e8ed;
  --blue: #0071e3;
  --blue-hover: #0077ed;
  --yellow: #ffe600;
  --dark: #0b0b0c;
  --radius: 16px;
  --shadow: 0 4px 24px rgba(0,0,0,.06);
  --max: 1120px;
  --font: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  background: var(--bg);
  color: var(--ink);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
a { color: var(--blue); }
img { max-width: 100%; height: auto; display: block; }
.container { width: min(100% - 32px, var(--max)); margin-inline: auto; }
.isd-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,.92);
  backdrop-filter: saturate(180%) blur(16px);
  -webkit-backdrop-filter: saturate(180%) blur(16px);
  border-bottom: 1px solid var(--line);
}
.isd-header-inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; padding: 12px 0; flex-wrap: wrap;
}
.isd-logo img { height: 36px; width: auto; }
.isd-nav { display: flex; gap: 8px 18px; flex-wrap: wrap; align-items: center; font-size: 13px; }
.isd-nav a { color: var(--ink); text-decoration: none; opacity: .85; }
.isd-nav a:hover { opacity: 1; color: var(--blue); }
.isd-btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: 8px; border: 0; cursor: pointer; text-decoration: none;
  font-weight: 600; font-size: 13px; border-radius: 980px;
  padding: 10px 18px; transition: transform .15s ease, background .15s ease;
}
.isd-btn:active { transform: scale(.98); }
.isd-btn-primary { background: var(--blue); color: #fff; }
.isd-btn-primary:hover { background: var(--blue-hover); color: #fff; }
.isd-btn-dark { background: var(--dark); color: #fff; }
.isd-btn-ghost { background: transparent; color: var(--ink); border: 1px solid var(--line); }
.isd-btn-ghost:hover { border-color: var(--ink); }
.isd-hero {
  background: linear-gradient(180deg, #0b0b0c 0%, #1a1a1c 100%);
  color: #f5f5f7; padding: 72px 0 64px; position: relative; overflow: hidden;
}
.isd-hero::after {
  content: ""; position: absolute; inset: auto -20% -40% auto;
  width: 480px; height: 480px; border-radius: 50%;
  background: radial-gradient(circle, rgba(255,230,0,.18), transparent 70%);
  pointer-events: none;
}
.isd-hero-grid { display: grid; gap: 40px; align-items: center; }
@media (min-width: 900px) { .isd-hero-grid { grid-template-columns: 1.2fr .8fr; } }
.isd-kicker {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 12px; font-weight: 600; letter-spacing: .04em; text-transform: uppercase;
  color: var(--yellow); margin-bottom: 14px;
}
.isd-hero h1 {
  font-size: clamp(32px, 5vw, 52px); line-height: 1.05;
  letter-spacing: -.03em; margin: 0 0 16px; font-weight: 700;
}
.isd-hero p.lead {
  font-size: clamp(16px, 2vw, 19px); color: rgba(245,245,247,.78);
  max-width: 52ch; margin: 0 0 28px;
}
.isd-hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.isd-hero-card {
  background: rgba(255,255,255,.04); border: 1px solid rgba(255,255,255,.1);
  border-radius: var(--radius); padding: 24px;
}
.isd-hero-card h3 { margin: 0 0 12px; font-size: 15px; color: #fff; }
.isd-hero-card ul { margin: 0; padding: 0; list-style: none; }
.isd-hero-card li {
  font-size: 13px; color: rgba(245,245,247,.75);
  padding: 8px 0; border-bottom: 1px solid rgba(255,255,255,.06);
  display: flex; justify-content: space-between; gap: 12px;
}
.isd-hero-card li strong { color: #fff; font-weight: 600; }
.isd-trust { background: var(--surface); border-bottom: 1px solid var(--line); padding: 18px 0; }
.isd-trust-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px 20px; }
@media (min-width: 800px) { .isd-trust-grid { grid-template-columns: repeat(4, 1fr); } }
.isd-trust-item { text-align: center; }
.isd-trust-item .num { font-size: 22px; font-weight: 700; letter-spacing: -.02em; }
.isd-trust-item .label { font-size: 12px; color: var(--muted); margin-top: 2px; }
.isd-section { padding: 64px 0; }
.isd-section.alt { background: var(--surface); }
.isd-section-head { margin-bottom: 28px; max-width: 60ch; }
.isd-section-head h2 {
  font-size: clamp(24px, 3vw, 34px); letter-spacing: -.025em;
  margin: 0 0 10px; font-weight: 700;
}
.isd-section-head p { margin: 0; color: var(--muted); font-size: 15px; }
.isd-grid { display: grid; gap: 14px; }
@media (min-width: 640px) { .isd-grid.cols-3 { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 900px) {
  .isd-grid.cols-4 { grid-template-columns: repeat(4, 1fr); }
  .isd-grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
}
.isd-card {
  background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 20px; text-decoration: none; color: inherit;
  transition: border-color .15s ease, box-shadow .15s ease, transform .15s ease;
  display: block;
}
.isd-card:hover { border-color: #d2d2d7; box-shadow: var(--shadow); transform: translateY(-2px); }
.isd-card h3 { margin: 0 0 6px; font-size: 16px; letter-spacing: -.01em; }
.isd-card p { margin: 0; font-size: 13px; color: var(--muted); }
.isd-card .tag {
  display: inline-block; font-size: 11px; font-weight: 600; color: var(--blue);
  background: #e8f2ff; padding: 3px 8px; border-radius: 980px; margin-bottom: 10px;
}
.isd-steps { display: grid; gap: 14px; }
@media (min-width: 800px) { .isd-steps { grid-template-columns: repeat(3, 1fr); } }
.isd-step {
  background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 22px;
}
.isd-step .n {
  width: 28px; height: 28px; border-radius: 50%; background: var(--dark); color: #fff;
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 13px; font-weight: 700; margin-bottom: 12px;
}
.isd-step h3 { margin: 0 0 6px; font-size: 16px; }
.isd-step p { margin: 0; font-size: 13px; color: var(--muted); }
.isd-cta-band {
  background: var(--dark); color: #f5f5f7; padding: 56px 0; text-align: center;
}
.isd-cta-band h2 { margin: 0 0 10px; font-size: clamp(24px, 3vw, 32px); letter-spacing: -.02em; }
.isd-cta-band p { margin: 0 auto 22px; max-width: 48ch; color: rgba(245,245,247,.72); }
.isd-cta-band .actions { display: flex; justify-content: center; flex-wrap: wrap; gap: 12px; }
.isd-footer {
  background: #0b0b0c; color: rgba(245,245,247,.7); padding: 40px 0 28px; font-size: 13px;
}
.isd-footer a { color: rgba(245,245,247,.85); text-decoration: none; }
.isd-footer a:hover { color: #fff; }
.isd-footer-grid { display: grid; gap: 24px; margin-bottom: 28px; }
@media (min-width: 800px) { .isd-footer-grid { grid-template-columns: 2fr 1fr 1fr 1fr; } }
.isd-footer h4 { color: #fff; margin: 0 0 10px; font-size: 13px; }
.isd-footer ul { list-style: none; margin: 0; padding: 0; }
.isd-footer li { margin: 6px 0; }
.isd-footer-bottom {
  border-top: 1px solid rgba(255,255,255,.08); padding-top: 18px;
  display: flex; flex-wrap: wrap; gap: 8px 16px; justify-content: space-between;
  font-size: 12px; color: rgba(245,245,247,.5);
}
