:root {
  --ink: #2c2a27;
  --muted: #5d5c59;
  --bg-a: #f6f3ee;
  --bg-b: #e8e2d8;
  --gold: #9b8767;
  --line: rgba(96, 91, 83, 0.2);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }

body {
  color: var(--ink);
  font-family: "Manrope", sans-serif;
  background:
    radial-gradient(circle at 84% -12%, rgba(255, 255, 255, 0.78), transparent 40%),
    radial-gradient(circle at 14% 78%, rgba(223, 204, 175, 0.14), transparent 52%),
    linear-gradient(160deg, var(--bg-a), var(--bg-b));
}

.container {
  width: min(1180px, calc(100% - 2.2rem));
  margin: 0 auto;
}

.global-header {
  position: sticky;
  top: 0;
  z-index: 30;
  border-bottom: 1px solid rgba(111, 103, 91, 0.14);
  background: rgba(246, 241, 233, 0.9);
  backdrop-filter: blur(10px);
}

.nav-grid {
  min-height: 74px;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 1rem;
}

.logo {
  color: #121212;
  text-decoration: none;
  font-family: "Cormorant Garamond", serif;
  font-size: 1.62rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-transform: none;
}

.nav-center,
.main-nav {
  display: flex;
  align-items: center;
  gap: 1.4rem;
}

.main-nav {
  justify-self: end;
}

.nav-center a,
.main-nav a {
  color: #162536;
  text-decoration: none;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  padding: 0.42rem 0.75rem;
  border-radius: 8px;
}

.nav-center a.active,
.nav-center a:hover,
.main-nav a:hover {
  background: #0f243a;
  color: #f6efe6;
}

.hero {
  position: relative;
  min-height: 68vh;
  display: grid;
  align-items: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(to bottom, rgba(247, 244, 239, 0.72), rgba(247, 244, 239, 0.36)),
    url("assets/protocol-hero.png?v=1") center 58% / cover no-repeat;
}

.hero-inner {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 880px;
  padding: 4rem 0;
}

.eyebrow {
  margin: 0;
  text-transform: uppercase;
  letter-spacing: 0.13em;
  font-size: 0.73rem;
  color: #6f5f52;
}

h1, h2, h3 {
  font-family: "Cormorant Garamond", serif;
  font-weight: 500;
}

h1 {
  margin: 0.6rem 0 0;
  font-size: clamp(2.4rem, 5.2vw, 5rem);
  line-height: 0.98;
  color: #3f2f25;
}

.hero-inner p {
  margin: 0.9rem auto 0;
  color: var(--muted);
  line-height: 1.72;
  max-width: 50ch;
}

.section {
  margin-top: 2.2rem;
}

.framework h2,
.timeline-wrap h2,
.philosophy h2,
.longterm h2,
.closing h2 {
  margin: 0.35rem 0 0;
  font-size: clamp(2rem, 3vw, 3.2rem);
}

.lead {
  margin: 0.8rem 0 0;
  color: var(--muted);
  line-height: 1.7;
  max-width: 64ch;
}

.pillars-grid {
  margin-top: 1.4rem;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.pillars-grid article {
  padding: 1.35rem;
  border-radius: 22px;
  background: rgba(247, 244, 239, 0.68);
  border: 1px solid rgba(132, 121, 106, 0.22);
  box-shadow: 0 10px 24px rgba(55, 48, 39, 0.09);
}

.step {
  margin: 0;
  font-size: 0.78rem;
  letter-spacing: 0.11em;
  color: #8a6f50;
}

.pillars-grid h3 {
  margin: 0.45rem 0 0;
  font-size: 2rem;
}

.pillars-grid .sub {
  margin: 0.3rem 0 0;
  color: #3f3127;
  font-weight: 600;
}

.pillars-grid p {
  margin: 0.55rem 0 0;
  color: var(--muted);
  line-height: 1.65;
}

.timeline-wrap {
  margin-top: 2.6rem;
  padding: 3.1rem 0;
  background:
    radial-gradient(circle at 86% 16%, rgba(216, 203, 184, 0.34), transparent 36%),
    linear-gradient(150deg, rgba(243, 240, 234, 0.8), rgba(229, 223, 214, 0.6));
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.timeline-grid {
  margin-top: 1.25rem;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.timeline-grid article {
  padding: 1.2rem;
  border-radius: 18px;
  background: rgba(247, 244, 239, 0.78);
}

.timeline-grid h3 {
  margin: 0;
  font-size: 1.8rem;
}

.timeline-grid p {
  margin: 0.45rem 0 0;
  color: var(--muted);
  line-height: 1.62;
}

.statement {
  margin: 1.1rem 0 0;
  font-family: "Cormorant Garamond", serif;
  font-size: clamp(1.7rem, 2.4vw, 2.4rem);
}

.philosophy {
  padding: 2rem;
  border-radius: 24px;
  background:
    linear-gradient(140deg, rgba(244, 241, 236, 0.78), rgba(229, 223, 214, 0.56));
}

.philosophy-copy {
  margin-top: 0.9rem;
  max-width: 64ch;
}

.philosophy-copy p {
  margin: 0.85rem 0 0;
  color: var(--muted);
  line-height: 1.72;
}

.longterm {
  padding: 2rem;
  border-radius: 24px;
  background: rgba(247, 244, 239, 0.66);
  border: 1px solid rgba(132, 121, 106, 0.2);
}

.longterm p {
  margin: 0.65rem 0 0;
  color: var(--muted);
  line-height: 1.7;
}

.closing {
  text-align: center;
  padding: 2.2rem 0 2.8rem;
}

.closing h2 {
  margin: 0;
  font-size: clamp(2.3rem, 3.5vw, 3.8rem);
}

.closing p {
  margin: 0.35rem 0 0;
  color: var(--muted);
}

@media (max-width: 1024px) {
  .pillars-grid,
  .timeline-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  .container {
    width: min(1180px, calc(100% - 1rem));
  }

  .global-header {
    position: static;
  }

  .main-nav {
    display: none;
  }

  .nav-grid {
    grid-template-columns: 1fr auto;
  }

  .logo {
    font-size: 1.28rem;
    letter-spacing: 0.015em;
  }

  h1 {
    font-size: 2.2rem;
  }

  .hero {
    min-height: 56vh;
  }

  .hero-inner {
    padding: 2.6rem 0;
  }

  .philosophy,
  .longterm {
    padding: 1.2rem;
  }
}