:root {
  --bg: #f4f7f9;
  --surface: #ffffff;
  --surface-soft: #eef4f2;
  --ink: #10202b;
  --muted: #5d6d77;
  --line: #d9e2e6;
  --accent: #0b6b55;
  --accent-strong: #075341;
  --accent-soft: #dff1eb;
  --blue: #174a70;
  --navy: #0d2738;
  --max: 1240px;
  --radius: 22px;
  --shadow: 0 24px 70px rgba(16, 32, 43, .10);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at 8% 2%, rgba(11,107,85,.10), transparent 25rem),
    radial-gradient(circle at 92% 18%, rgba(23,74,112,.08), transparent 28rem),
    var(--bg);
  color: var(--ink);
  line-height: 1.7;
  font-size: 17px;
}

::selection { background: var(--accent-soft); color: var(--navy); }
.wrap { width: min(calc(100% - 48px), var(--max)); margin: 0 auto; }
a { color: var(--blue); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--accent); }
a:focus-visible, button:focus-visible { outline: 3px solid rgba(11,107,85,.28); outline-offset: 3px; border-radius: 6px; }

.site-header {
  background: rgba(255,255,255,.88);
  border-bottom: 1px solid rgba(217,226,230,.9);
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(18px);
}
.nav-wrap {
  min-height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  color: var(--navy);
  text-decoration: none;
  font-weight: 850;
  letter-spacing: -.02em;
  font-size: 1.12rem;
}
.brand-mark {
  width: 38px;
  height: 38px;
  border-radius: 11px;
  display: grid;
  place-items: center;
  color: #fff;
  background: linear-gradient(145deg, var(--accent), var(--blue));
  box-shadow: 0 8px 20px rgba(11,107,85,.20);
  font-size: .98rem;
}
nav { display: flex; gap: 24px; align-items: center; flex-wrap: wrap; }
nav a { color: var(--muted); text-decoration: none; font-weight: 700; font-size: .94rem; }
nav a:hover { color: var(--accent); }
.nav-cta {
  padding: 10px 16px;
  border-radius: 999px;
  background: var(--navy);
  color: #fff !important;
}
.nav-cta:hover { background: var(--accent); }

.content { padding: 58px 0 88px; }
.page {
  background: rgba(255,255,255,.96);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: clamp(34px, 5vw, 68px);
  box-shadow: var(--shadow);
}
.page > :first-child { margin-top: 0; }
.page > p, .page > ul, .page > ol, .page > blockquote { max-width: 900px; }

h1, h2, h3 { color: var(--navy); letter-spacing: -.025em; }
h1 { font-size: clamp(2.5rem, 6vw, 4.9rem); line-height: 1.02; margin: .04em 0 .35em; }
h2 { margin-top: 2.4em; font-size: clamp(1.6rem, 3vw, 2rem); line-height: 1.22; }
h3 { margin-top: 1.7em; line-height: 1.3; }
p, li { font-size: 1.02rem; }
strong { color: #102c3f; }
hr { border: 0; border-top: 1px solid var(--line); margin: 2.6rem 0; }
blockquote { border-left: 4px solid var(--accent); margin: 2rem 0; padding: .7rem 1.2rem; color: var(--muted); background: var(--surface-soft); border-radius: 0 12px 12px 0; }

.home-page { display: grid; gap: 34px; }
.hero {
  position: relative;
  overflow: hidden;
  background: linear-gradient(140deg, #0d2738 0%, #133f50 54%, #0b6b55 130%);
  color: #fff;
  border-radius: 30px;
  padding: clamp(38px, 6vw, 78px);
  box-shadow: 0 30px 80px rgba(13,39,56,.24);
}
.hero::after {
  content: "";
  position: absolute;
  width: 520px;
  height: 520px;
  right: -190px;
  top: -230px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,.14);
  box-shadow: 0 0 0 70px rgba(255,255,255,.035), 0 0 0 140px rgba(255,255,255,.022);
}
.hero-grid { position: relative; z-index: 1; display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(280px, .65fr); gap: clamp(34px, 7vw, 90px); align-items: center; }
.eyebrow { margin: 0 0 15px; text-transform: uppercase; letter-spacing: .16em; font-size: .77rem; font-weight: 800; color: #94dec9; }
.hero h1 { max-width: 820px; margin: 0; color: #fff; font-size: clamp(3rem, 6.4vw, 6rem); line-height: .98; letter-spacing: -.055em; }
.hero .lead { max-width: 760px; margin: 24px 0 0; color: #dbe8ed; font-size: clamp(1.08rem, 1.8vw, 1.28rem); line-height: 1.62; }
.hero-actions { display: flex; gap: 13px; flex-wrap: wrap; margin-top: 30px; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 0 20px; border-radius: 999px; text-decoration: none; font-weight: 800; font-size: .95rem; transition: transform .18s ease, background .18s ease; }
.button:hover { transform: translateY(-2px); }
.button-primary { background: #fff; color: var(--navy); }
.button-primary:hover { background: #e7f4ef; color: var(--accent-strong); }
.button-secondary { color: #fff; border: 1px solid rgba(255,255,255,.36); background: rgba(255,255,255,.07); }
.button-secondary:hover { background: rgba(255,255,255,.14); color: #fff; }
.hero-panel { border: 1px solid rgba(255,255,255,.16); background: rgba(255,255,255,.075); border-radius: 20px; padding: 24px; backdrop-filter: blur(12px); }
.hero-panel-title { font-size: .78rem; text-transform: uppercase; letter-spacing: .14em; color: #91d9c5; font-weight: 800; margin-bottom: 15px; }
.hero-panel ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 12px; }
.hero-panel li { color: #f5fbfd; font-size: .95rem; padding-left: 20px; position: relative; }
.hero-panel li::before { content: ""; position: absolute; width: 8px; height: 8px; border-radius: 50%; background: #79d5bb; left: 0; top: .63em; }

.principle-strip { display: grid; grid-template-columns: repeat(4, 1fr); background: #fff; border: 1px solid var(--line); border-radius: 18px; overflow: hidden; box-shadow: 0 14px 36px rgba(16,32,43,.06); }
.principle { padding: 22px 24px; border-right: 1px solid var(--line); }
.principle:last-child { border-right: 0; }
.principle span { display: block; color: var(--accent); font-size: .76rem; letter-spacing: .12em; text-transform: uppercase; font-weight: 850; }
.principle strong { display: block; margin-top: 5px; font-size: 1.01rem; color: var(--navy); }

.section-shell { background: rgba(255,255,255,.82); border: 1px solid var(--line); border-radius: 26px; padding: clamp(32px, 5vw, 58px); }
.section-kicker { color: var(--accent); text-transform: uppercase; letter-spacing: .13em; font-weight: 850; font-size: .76rem; margin: 0 0 9px; }
.section-title { font-size: clamp(2rem, 4.2vw, 3.35rem); margin: 0; max-width: 820px; }
.section-intro { color: var(--muted); max-width: 760px; font-size: 1.08rem; margin: 15px 0 0; }
.card-grid { margin-top: 30px; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.research-card { min-height: 220px; border: 1px solid var(--line); border-radius: 18px; padding: 26px; background: linear-gradient(180deg, #fff, #f9fbfb); }
.card-number { color: var(--accent); font-weight: 900; letter-spacing: .1em; font-size: .78rem; }
.research-card h3 { margin: 12px 0 8px; font-size: 1.3rem; }
.research-card p { color: var(--muted); margin: 0; font-size: .98rem; }

.workflow { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-top: 28px; }
.step { padding: 22px; border-radius: 16px; background: var(--surface-soft); border: 1px solid #d7e6e1; }
.step b { display: block; color: var(--navy); margin-bottom: 7px; }
.step p { margin: 0; color: var(--muted); font-size: .93rem; }

.founder-shell { display: grid; grid-template-columns: .75fr 1.25fr; gap: 28px; align-items: stretch; }
.founder-identity { background: var(--navy); color: #fff; border-radius: 22px; padding: 30px; display: flex; flex-direction: column; justify-content: space-between; min-height: 260px; }
.founder-monogram { width: 70px; height: 70px; border-radius: 18px; display: grid; place-items: center; background: linear-gradient(145deg, var(--accent), #3286a0); font-size: 1.3rem; font-weight: 900; }
.founder-identity h3 { color: #fff; margin: 32px 0 5px; font-size: 1.45rem; }
.founder-identity p { color: #cfe0e7; margin: 0; font-size: .96rem; }
.founder-copy { padding: 16px 4px; }
.founder-copy h2 { margin: 0; font-size: clamp(1.7rem, 3vw, 2.4rem); }
.founder-copy p { color: var(--muted); }
.link-row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 18px; }
.text-link { display: inline-flex; padding: 9px 13px; border: 1px solid var(--line); border-radius: 999px; text-decoration: none; font-weight: 750; background: #fff; }

.cta-shell { background: linear-gradient(130deg, #e5f3ee, #edf4f8); border: 1px solid #cfe1dc; border-radius: 24px; padding: clamp(30px, 5vw, 52px); display: flex; justify-content: space-between; gap: 30px; align-items: center; }
.cta-shell h2 { margin: 0; font-size: clamp(1.8rem, 3.5vw, 2.7rem); }
.cta-shell p { margin: 10px 0 0; color: var(--muted); max-width: 700px; }
.cta-shell .button-primary { background: var(--navy); color: #fff; white-space: nowrap; }
.cta-shell .button-primary:hover { background: var(--accent); color: #fff; }

.site-footer { border-top: 1px solid var(--line); padding: 34px 0 44px; color: var(--muted); font-size: .9rem; background: rgba(255,255,255,.45); }
.footer-grid { display: flex; justify-content: space-between; gap: 24px; align-items: center; flex-wrap: wrap; }
.footer-title { color: var(--navy); font-weight: 800; }
.footer-links { display: flex; gap: 16px; flex-wrap: wrap; }
.footer-links a { text-decoration: none; color: var(--muted); font-weight: 650; }
.footer-links a:hover { color: var(--accent); }

@media (max-width: 920px) {
  .hero-grid, .founder-shell { grid-template-columns: 1fr; }
  .hero-panel { max-width: 620px; }
  .principle-strip { grid-template-columns: repeat(2, 1fr); }
  .principle:nth-child(2) { border-right: 0; }
  .principle:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .workflow { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 720px) {
  body { font-size: 16px; }
  .wrap { width: min(calc(100% - 24px), var(--max)); }
  .nav-wrap { min-height: auto; align-items: flex-start; flex-direction: column; padding: 15px 0; gap: 14px; }
  nav { gap: 13px 17px; }
  nav a { font-size: .9rem; }
  .nav-cta { padding: 7px 12px; }
  .content { padding: 30px 0 54px; }
  .hero { border-radius: 22px; padding: 34px 24px; }
  .hero h1 { font-size: clamp(2.7rem, 14vw, 4.1rem); }
  .hero::after { display: none; }
  .principle-strip, .card-grid, .workflow { grid-template-columns: 1fr; }
  .principle { border-right: 0; border-bottom: 1px solid var(--line); }
  .principle:last-child { border-bottom: 0; }
  .section-shell { border-radius: 20px; padding: 28px 22px; }
  .cta-shell { align-items: flex-start; flex-direction: column; }
  .page { padding: 30px 22px; border-radius: 20px; }
}
