:root {
  --bg: #F7F6F2;
  --bg-alt: #EEF3F3;
  --ink: #1D1F2C;
  --muted: #5B5F6B;
  --accent: #1F7A8C;
  --accent-soft: #70C1D4;
  --line: #DDE2E3;
  --card: #FFFFFF;
  --radius: 16px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font);
  font-size: 18px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: var(--accent); }
h1, h2, h3 { line-height: 1.2; margin: 0 0 .5em; letter-spacing: -0.01em; }
h1 { font-size: clamp(2rem, 4.5vw, 3.4rem); font-weight: 750; }
h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); font-weight: 700; }
h3 { font-size: 1.15rem; font-weight: 650; }

.wrap { max-width: 1120px; margin: 0 auto; padding: 0 24px; }
.skip { position: absolute; left: -9999px; }
.skip:focus { left: 16px; top: 16px; background: var(--ink); color: #fff; padding: 8px 12px; z-index: 10; }

/* Header */
.site-header { position: sticky; top: 0; z-index: 5; background: rgba(247,246,242,.9); backdrop-filter: blur(8px); border-bottom: 1px solid var(--line); }
.nav { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.brand { font-weight: 750; color: var(--ink); text-decoration: none; letter-spacing: .02em; }
.nav ul { display: flex; gap: 28px; align-items: center; list-style: none; margin: 0; padding: 0; }
.nav a:not(.btn) { color: var(--ink); text-decoration: none; font-size: .95rem; }
.nav a:not(.btn):hover { color: var(--accent); }

/* Buttons */
.btn { display: inline-block; background: var(--ink); color: #fff; text-decoration: none; padding: 14px 22px; border-radius: 999px; font-weight: 600; font-size: .95rem; border: 2px solid var(--ink); transition: background .2s, color .2s; }
.btn:hover { background: var(--accent); border-color: var(--accent); }
.btn-ghost { background: transparent; color: var(--ink); }
.btn-ghost:hover { color: #fff; }
.btn-small { padding: 8px 16px; color: #fff !important; }
.cta { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 28px; }

/* Hero */
.hero { padding: 88px 0 56px; }
.hero-grid { display: grid; grid-template-columns: 1.4fr 1fr; gap: 56px; align-items: center; }
.eyebrow { color: var(--accent); font-weight: 650; text-transform: uppercase; letter-spacing: .12em; font-size: .8rem; margin: 0 0 16px; }
.lead { color: var(--muted); font-size: 1.1rem; max-width: 60ch; }
.hero-photo { margin: 0; }
.hero-photo .placeholder { aspect-ratio: 4/5; border-radius: 24px; }

.placeholder { background: linear-gradient(135deg, #E4EDEF, #D3E6EA); color: var(--accent); display: grid; place-items: center; font-weight: 650; font-size: .9rem; letter-spacing: .05em; }

/* Stats */
.stats { padding: 8px 0 72px; }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.stats-grid div { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; }
.stats-grid strong { display: block; font-size: 2rem; color: var(--accent); line-height: 1.1; }
.stats-grid span { color: var(--muted); font-size: .92rem; }

/* Sections */
.section { padding: 88px 0; }
.section-alt { background: var(--bg-alt); }
.section-head { margin-bottom: 36px; }
.section-head p { color: var(--muted); margin: 0; }
.two-col { display: grid; grid-template-columns: 1fr 2fr; gap: 48px; }
.prose p { margin: 0 0 1em; }

.tags, .mini-tags { list-style: none; padding: 0; margin: 20px 0 0; display: flex; flex-wrap: wrap; gap: 8px; }
.tags li { border: 1px solid var(--accent); color: var(--accent); border-radius: 999px; padding: 6px 14px; font-size: .88rem; }
.mini-tags { margin-top: 14px; }
.mini-tags li { background: var(--bg-alt); color: var(--accent); border-radius: 6px; padding: 3px 10px; font-size: .8rem; font-weight: 600; }

/* Cards */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; display: flex; flex-direction: column; transition: transform .2s, box-shadow .2s; }
.card:hover { transform: translateY(-4px); box-shadow: 0 12px 32px rgba(29,31,44,.08); }
.card-media { aspect-ratio: 16/10; }
.card-body { padding: 22px; }
.card-meta { color: var(--muted); font-size: .82rem; margin: 0 0 6px; text-transform: uppercase; letter-spacing: .06em; }
.card-body p { font-size: .95rem; margin: 0; }

/* Timeline */
.timeline { list-style: none; margin: 0; padding: 0; border-left: 2px solid var(--line); }
.timeline li { position: relative; padding: 0 0 32px 28px; }
.timeline li::before { content: ""; position: absolute; left: -7px; top: 6px; width: 12px; height: 12px; border-radius: 50%; background: var(--accent); }
.t-date { color: var(--accent); font-size: .85rem; font-weight: 600; margin: 0 0 4px; }
.timeline p { margin: 0; color: var(--muted); }

/* Tools */
.tool-groups { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.tool-groups div { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; }
.tool-groups h3 { color: var(--accent); font-size: 1rem; }
.tool-groups p { margin: 0; color: var(--muted); font-size: .95rem; }

/* Contact */
.contact { background: var(--ink); color: #fff; text-align: center; }
.contact p { color: #C9CCD3; }
.contact .cta { justify-content: center; }
.contact .btn { background: #fff; color: var(--ink); border-color: #fff; }
.contact .btn:hover { background: var(--accent-soft); border-color: var(--accent-soft); }
.contact .btn-ghost { background: transparent; color: #fff; }

.site-footer { padding: 28px 0; color: var(--muted); font-size: .85rem; text-align: center; }

a:focus-visible, .btn:focus-visible { outline: 3px solid var(--accent-soft); outline-offset: 3px; }

/* Responsive */
@media (max-width: 900px) {
  .hero-grid, .two-col { grid-template-columns: 1fr; gap: 32px; }
  .hero-photo { max-width: 320px; }
  .cards { grid-template-columns: repeat(2, 1fr); }
  .stats-grid, .tool-groups { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  body { font-size: 17px; }
  .wrap { padding: 0 16px; }
  .nav ul li:not(:last-child) { display: none; }
  .hero { padding: 56px 0 40px; }
  .section { padding: 64px 0; }
  .cards, .stats-grid, .tool-groups { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .card, .btn { transition: none; }
}

.center { text-align: center; }
.cta-center { justify-content: center; }