/* ---------------------------------------------
   Corporate Venture Building — base styles
--------------------------------------------- */

:root {
  --ink: #14181C;
  --ink-soft: #2B2E33;
  --paper: #FBF8F2;
  --paper-dim: #F3EEE3;
  --panel: #F1ECE1;
  --line: rgba(20, 24, 28, 0.12);
  --line-soft: rgba(20, 24, 28, 0.08);
  --gray-600: #5B5750;
  --gray-500: #726D64;
  --gray-400: #918C81;
  --accent: #C1602A;
  --accent-dark: #9A4A1F;
  --accent-tint: #F4E4D6;

  --serif: "Fraunces", Georgia, serif;
  --sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--sans);
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a { color: inherit; }

.container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 2.5rem;
}

.label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-dark);
  margin: 0 0 1rem;
}

.label-light { color: var(--accent); }

h1, h2, h3 {
  font-family: var(--serif);
  font-weight: 500;
  letter-spacing: -0.01em;
  margin: 0 0 1rem;
  color: var(--ink);
}

p { line-height: 1.7; color: var(--gray-600); margin: 0 0 1rem; }

/* ---------------- Nav ---------------- */

#nav {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.1rem 2.5rem;
  background: rgba(251, 248, 242, 0.88);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line-soft);
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  text-decoration: none;
  color: var(--ink);
}

.nav-logo img { border-radius: 6px; }

.nav-wordmark {
  font-family: var(--serif);
  font-size: 1.05rem;
  font-weight: 500;
  letter-spacing: -0.01em;
  line-height: 1.1;
  white-space: nowrap;
}

.nav-wordmark span {
  color: var(--accent);
  font-family: var(--sans);
  font-weight: 500;
  font-size: 0.95rem;
}

#nav ul {
  display: flex;
  align-items: center;
  gap: clamp(1rem, 2.4vw, 2.1rem);
  list-style: none;
  margin: 0;
  padding: 0;
}

#nav ul li a {
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--gray-600);
  white-space: nowrap;
  transition: color 0.2s;
}

#nav ul li a:hover { color: var(--ink); }

.nav-cta {
  padding: 0.55rem 1.15rem;
  border-radius: 999px;
  background: var(--ink);
  color: var(--paper) !important;
  white-space: nowrap;
}

.nav-cta:hover { background: var(--accent-dark); }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 34px;
  height: 34px;
  background: none;
  border: none;
  cursor: pointer;
}

.nav-toggle span {
  width: 100%;
  height: 1.5px;
  background: var(--ink);
}

/* ---------------- Hero ---------------- */

.hero {
  position: relative;
  padding: 6.5rem 2.5rem 5rem;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

.hero-bg svg { position: absolute; }

.hero-inner {
  position: relative;
  z-index: 1;
  max-width: 780px;
  margin: 0 auto;
  text-align: center;
}

.eyebrow {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-dark);
  margin-bottom: 1.25rem;
}

.hero h1 {
  font-size: clamp(2.3rem, 5vw, 3.75rem);
  line-height: 1.08;
  margin-bottom: 1.5rem;
}

.hero-sub {
  font-size: 1.15rem;
  line-height: 1.7;
  color: var(--gray-600);
  max-width: 620px;
  margin: 0 auto 2.5rem;
}

.hero-actions {
  display: flex;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 3rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 1.6rem;
  border-radius: 999px;
  font-size: 0.9375rem;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.2s;
  border: 1px solid transparent;
}

.btn-dark { background: var(--ink); color: var(--paper); }
.btn-dark:hover { background: var(--accent-dark); }

.btn-outline { background: transparent; border-color: var(--line); color: var(--ink); }
.btn-outline:hover { border-color: var(--ink); background: var(--paper-dim); }

.btn-full { width: 100%; justify-content: center; }

.hero-badges {
  display: flex;
  justify-content: center;
  gap: 0.6rem;
  flex-wrap: wrap;
}

.badge {
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--gray-500);
  padding: 0.4rem 0.9rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--paper);
}

/* ---------------- Sections ---------------- */

.section { padding: 5.5rem 0; }
.section-tight { padding: 3.5rem 0; }
.section-dark { background: var(--ink); color: var(--paper); }
.section-dark p { color: rgba(251, 248, 242, 0.72); }
.section-dark h2 { color: var(--paper); }
.section-panel { background: var(--panel); }

.section-header {
  max-width: 660px;
  margin: 0 auto 3rem;
  text-align: center;
}

.section-header h2 { font-size: clamp(1.75rem, 3.2vw, 2.5rem); }
.section-header p { font-size: 1.05rem; }

.section-header.align-left { margin: 0 0 2.75rem; text-align: left; }

/* ---------------- Definition block ---------------- */

.definition {
  max-width: 780px;
  margin: 0 auto 3.5rem;
}

.definition-lead {
  font-family: var(--serif);
  font-size: 1.5rem;
  line-height: 1.5;
  color: var(--ink);
  text-align: center;
}

.definition-lead strong { color: var(--accent-dark); font-weight: 600; }

/* ---------------- Comparison table ---------------- */

.compare-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--paper);
}

table.compare {
  width: 100%;
  border-collapse: collapse;
  min-width: 820px;
}

table.compare th, table.compare td {
  text-align: left;
  padding: 1rem 1.35rem;
  vertical-align: top;
  font-size: 0.9rem;
  line-height: 1.6;
  border-bottom: 1px solid var(--line-soft);
}

table.compare th {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gray-500);
  background: var(--paper-dim);
}

table.compare td { color: var(--gray-600); }

table.compare td.model-name {
  font-family: var(--serif);
  font-size: 1rem;
  font-weight: 500;
  color: var(--ink);
  white-space: nowrap;
}

tr.highlight td { background: var(--accent-tint); }
tr.highlight td.model-name { color: var(--accent-dark); }

table.compare tr:last-child td { border-bottom: none; }

.impact {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 600;
  white-space: nowrap;
  padding: 0.3rem 0.7rem;
  border-radius: 999px;
}

.impact-high { background: var(--accent); color: var(--paper); }
.impact-low { background: var(--paper-dim); color: var(--gray-500); border: 1px solid var(--line); }

.compare-footnote {
  max-width: 780px;
  margin: 1.25rem auto 0;
  font-size: 0.85rem;
  color: var(--gray-500);
  text-align: center;
}

/* ---------------- Pillar cards ---------------- */

.pillars-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.pillar-card {
  padding: 2rem 1.6rem;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--paper);
}

.pillar-num {
  font-family: var(--serif);
  font-size: 0.95rem;
  color: var(--accent);
  margin-bottom: 1rem;
}

.pillar-card h3 {
  font-size: 1.1rem;
  margin-bottom: 0.65rem;
}

.pillar-card p { font-size: 0.92rem; margin: 0; }

/* ---------------- Why now ---------------- */

.why-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}

.why-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 1.35rem;
}

.why-list li {
  display: flex;
  gap: 0.9rem;
  font-size: 0.98rem;
  line-height: 1.6;
  color: rgba(251, 248, 242, 0.88);
}

.why-list .num {
  flex: none;
  font-family: var(--serif);
  color: var(--accent);
  font-size: 1rem;
}

/* ---------------- Principles ---------------- */

.principles-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem 2rem;
}

.principle {
  display: flex;
  gap: 0.85rem;
  padding: 1.1rem 0;
  border-top: 1px solid var(--line);
}

.principle .num {
  flex: none;
  font-family: var(--serif);
  color: var(--accent);
  font-size: 1rem;
  width: 1.6rem;
}

.principle h4 {
  font-size: 0.95rem;
  font-weight: 600;
  margin: 0 0 0.3rem;
  color: var(--ink);
}

.principle p { font-size: 0.88rem; margin: 0; }

/* ---------------- About / transparency ---------------- */

.about-block {
  max-width: 760px;
  margin: 0 auto;
}

.about-block .note {
  margin-top: 2rem;
  padding: 1.35rem 1.6rem;
  border-left: 3px solid var(--accent);
  background: var(--panel);
  border-radius: 0 10px 10px 0;
}

.about-block .note p { margin: 0; font-size: 0.92rem; color: var(--gray-600); }

/* ---------------- Get involved ---------------- */

.involved-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 3rem;
  align-items: center;
}

.chip-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin: 1.5rem 0 2rem;
}

.chip {
  font-size: 0.85rem;
  font-weight: 500;
  padding: 0.5rem 1rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--gray-600);
}

.involved-card {
  padding: 2.25rem;
  border-radius: 18px;
  background: var(--paper);
  border: 1px solid var(--line);
  text-align: center;
}

.involved-card p { font-size: 0.9rem; }

/* ---------------- Footer ---------------- */

footer {
  padding: 2.5rem 0;
  border-top: 1px solid var(--line);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.footer-brand img { border-radius: 5px; }

.footer-brand span {
  font-family: var(--serif);
  font-size: 0.95rem;
  color: var(--ink);
}

.footer-copy {
  font-size: 0.82rem;
  color: var(--gray-400);
  margin: 0;
}

.footer-legal {
  display: flex;
  gap: 1.5rem;
}

.footer-legal a {
  font-size: 0.82rem;
  color: var(--gray-500);
  text-decoration: none;
}

.footer-legal a:hover { color: var(--ink); }

.footer-legal button.link-btn {
  font-family: var(--sans);
  font-size: 0.82rem;
  color: var(--gray-500);
  background: none;
  border: none;
  padding: 0;
  cursor: pointer;
}

.footer-legal button.link-btn:hover { color: var(--ink); }

/* ---------------- Cookie banner ---------------- */

.cookie-banner {
  position: fixed;
  left: 1.25rem;
  right: 1.25rem;
  bottom: 1.25rem;
  z-index: 200;
  max-width: 640px;
  margin: 0 auto;
  background: var(--ink);
  color: var(--paper);
  border-radius: 16px;
  padding: 1.5rem 1.75rem;
  box-shadow: 0 12px 40px rgba(20, 24, 28, 0.25);
}

.cookie-banner[hidden] { display: none; }

.cookie-banner p {
  color: rgba(251, 248, 242, 0.82);
  font-size: 0.9rem;
  margin: 0 0 1.1rem;
}

.cookie-banner a { color: var(--paper); text-decoration: underline; }

.cookie-actions {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.btn-sm { padding: 0.6rem 1.15rem; font-size: 0.85rem; }

.cookie-banner .btn-outline {
  border-color: rgba(251, 248, 242, 0.3);
  color: var(--paper);
}

.cookie-banner .btn-outline:hover {
  border-color: var(--paper);
  background: rgba(251, 248, 242, 0.08);
}

/* ---------------- Responsive ---------------- */

@media (max-width: 860px) {
  .pillars-grid { grid-template-columns: repeat(2, 1fr); }
  .why-grid { grid-template-columns: 1fr; gap: 2rem; }
  .involved-grid { grid-template-columns: 1fr; }
  .principles-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 900px) {
  #nav { padding: 1rem 1.5rem; }
  #nav ul {
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    height: calc(100vh - 64px);
    z-index: 99;
    box-sizing: border-box;
    margin: 0;
    flex-direction: column;
    background: var(--paper);
    padding: 2rem 1.5rem;
    gap: 1.5rem;
    align-items: flex-start;
    transform: translateY(-8px);
    opacity: 0;
    pointer-events: none;
    transition: all 0.2s;
  }
  body.nav-open #nav ul { transform: translateY(0); opacity: 1; pointer-events: auto; }
  .nav-toggle { display: flex; }
}

@media (max-width: 640px) {
  .container { padding: 0 1.5rem; }
  .hero { padding: 4.5rem 1.5rem 3.5rem; }
  .pillars-grid { grid-template-columns: 1fr; }
  .principles-grid { grid-template-columns: 1fr; }
  .section { padding: 3.75rem 0; }
  table.compare { min-width: 720px; }
}