/* 1. Root Variables */
:root {
  --color-background: #f7f4ee;
  --color-surface: #ffffff;
  --color-surface-alt: #e6dfd3;
  --color-text: #1f2732;
  --color-text-body: #2c2c2c;
  --color-text-muted: #596066; /* Note: already darkened to pass contrast per earlier issue */
  --color-primary: #1f2732;
  --color-primary-hover: #334a45;
  --color-secondary: #334a45;
  --color-accent: #a67c52;
  --color-border: #d8dde2;
  --color-success: #2f6f4e;
  --color-warning: #9a6b1f;
  --color-error: #9f3a38;
  --color-info: #315c7c;
  --color-focus: #b88a5e;
  --color-disabled: #b9bec4;

  --font-sans: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-serif: "Playfair Display", Georgia, serif;

  --space-xs: 0.5rem;
  --space-sm: 0.75rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2.5rem;
  --space-xxl: 4rem;

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 14px;
  --radius-xl: 22px;
  --radius-full: 999px;

  --shadow-sm: 0 4px 14px rgba(31, 39, 50, 0.04);
  --shadow-md: 0 10px 30px rgba(31, 39, 50, 0.05);
  --shadow-lg: 0 18px 44px rgba(31, 39, 50, 0.08);

  --motion-fast: 150ms;
  --motion-normal: 200ms;
  --motion-slow: 320ms;
  --motion-easing: cubic-bezier(0.22, 1, 0.36, 1);

  --radius: var(--radius-lg);
  --max-width: 1240px;
  --soft-shadow: var(--shadow-md);
}

/* 2. Resets & Base */
* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  * {
    transition: none !important;
    animation: none !important;
  }
}

body {
  margin: 0;
  font-family: "Inter", system-ui, -apple-system, sans-serif;
  color: var(--color-text-body);
  background: var(--color-background);
  line-height: 1.6;
}

a {
  color: inherit;
}

:focus-visible {
  outline: 3px solid var(--color-secondary);
  outline-offset: 2px;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--color-primary);
  color: var(--color-surface);
  padding: 0.75rem 1rem;
  z-index: 100;
}

.skip-link:focus {
  left: 1rem;
  top: 1rem;
  border-radius: 6px;
}

#main-content:focus,
#top:focus,
.section:focus,
.site-header:focus {
  outline: none;
}

.site-nav a:focus-visible,
.brand:focus-visible,
.footer-link:focus-visible {
  border-radius: 4px;
}

.container {
  width: min(100% - 2.5rem, var(--max-width));
  margin-inline: auto;
}

.narrow {
  width: min(100% - 2.5rem, 840px);
}

.section {
  padding: clamp(3.5rem, 5vw, 6rem) 0;
  scroll-margin-top: 6rem;
}

.section-alt {
  background: var(--color-surface);
  border-top: 1px solid color-mix(in srgb, var(--color-surface-alt), var(--color-surface) 35%);
  border-bottom: 1px solid color-mix(in srgb, var(--color-surface-alt), var(--color-surface) 35%);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: color-mix(in srgb, var(--color-background), var(--color-surface) 38%);
  border-bottom: 1px solid var(--color-surface-alt);
  backdrop-filter: blur(8px);
}

.nav-shell {
  min-height: 5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  color: var(--color-primary);
}

.brand-logo {
  width: 260px;
  max-width: 42vw;
  height: auto;
}

.brand-fallback {
  display: none;
  font-weight: 600;
}

.brand-logo[alt=""] + .brand-fallback,
.brand-logo:not([src]) + .brand-fallback {
  display: inline;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 1.05rem;
}

.site-nav a {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  text-decoration: none;
  color: var(--color-primary);
  font-size: 0.95rem;
  padding: 0.5rem 0.4rem;
  border-bottom: 2px solid transparent;
  transition: border-color 170ms ease;
}

/* Pseudo-element trick to prevent layout shift on bold hover/active state */
.site-nav a::after {
  content: attr(data-text);
  content: attr(data-text) / "";
  height: 0;
  visibility: hidden;
  overflow: hidden;
  user-select: none;
  pointer-events: none;
  font-weight: 600;
}

.site-nav a:hover,
.site-nav a:focus-visible,
.site-nav a[aria-current="true"] {
  border-color: var(--color-accent);
}

.site-nav a[aria-current="true"] {
  font-weight: 600;
}

/* 3. Typography */
h1,
h2,
h3 {
  font-family: "Playfair Display", Georgia, serif;
  line-height: 1.2;
  color: var(--color-primary);
  margin: 0 0 0.75rem;
}

h1 {
  font-size: clamp(2.2rem, 4.8vw, 4rem);
  max-width: 16ch;
}

h2 {
  font-size: clamp(1.7rem, 3.2vw, 2.5rem);
}

h3 {
  font-size: 1.25rem;
}

p {
  margin: 0;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--color-text-muted);
  margin-bottom: 0.95rem;
}

.section-header {
  margin-bottom: 1.7rem;
}

.section-intro {
  max-width: 68ch;
  color: color-mix(in srgb, var(--color-primary), var(--color-text-muted) 40%);
}

/* 4. Layout Containers */
.hero {
  padding-top: clamp(4.2rem, 8vw, 7.5rem);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
  gap: 1.4rem;
}

.hero-subhead {
  font-size: 1.13rem;
  max-width: 59ch;
  color: color-mix(in srgb, var(--color-primary), var(--color-text-muted) 30%);
}

.hero-cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 1.6rem;
}

/* 5. Components */
.hero-panel,
.card {
  border-radius: var(--radius);
  border: 1px solid var(--color-surface-alt);
  background: var(--color-surface);
  box-shadow: var(--soft-shadow);
}

.hero-panel {
  padding: 1.4rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  border: 1px solid transparent;
  border-radius: 999px;
  min-height: 2.85rem;
  padding: 0.2rem 1.2rem;
  font-size: 0.94rem;
  font-weight: 600;
  transition: transform 150ms ease, background-color 150ms ease, color 150ms ease;
}

.btn:hover,
.btn:focus-visible {
  transform: translateY(-1px);
}

.btn:active {
  transform: translateY(0);
}

.btn-primary {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-surface);
}

.btn-primary:hover,
.btn-primary:focus-visible {
  background: var(--color-secondary);
}

.btn-secondary {
  background: transparent;
  border-color: color-mix(in srgb, var(--color-primary), var(--color-surface) 40%);
  color: var(--color-primary);
}

.btn-secondary:hover,
.btn-secondary:focus-visible {
  border-color: var(--color-secondary);
  color: var(--color-secondary);
}

/* 6. Grids */
.category-grid,
.venture-grid,
.pillars-grid {
  display: grid;
  gap: 1rem;
}

.category-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.venture-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.pillars-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.category-card,
.venture-card,
.pillar-card {
  padding: 1.2rem;
}

.venture-chip {
  display: inline-flex;
  align-items: center;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-secondary);
  border: 1px solid color-mix(in srgb, var(--color-secondary), var(--color-surface) 72%);
  background: color-mix(in srgb, var(--color-secondary), var(--color-surface) 90%);
  border-radius: 999px;
  padding: 0.18rem 0.56rem;
  margin-bottom: 0.75rem;
}

.venture-link {
  display: inline-block;
  margin-top: 0.75rem;
  text-decoration: none;
  color: var(--color-primary);
  font-weight: 600;
}

.venture-link:hover,
.venture-link:focus-visible {
  color: var(--color-secondary);
  text-decoration: underline;
}

.about-stack {
  display: grid;
  gap: 1rem;
  margin-bottom: 1.35rem;
}

.site-footer {
  border-top: 1px solid color-mix(in srgb, var(--color-primary), black 15%);
  background: var(--color-primary);
}

.footer-shell {
  min-height: 4.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  font-size: 0.9rem;
  color: var(--color-surface-alt);
}

.footer-branding {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.footer-logo {
  width: 170px;
  height: auto;
}

.footer-links {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.footer-link {
  text-decoration: none;
  color: var(--color-surface);
  padding: 0.5rem;
  margin: -0.5rem;
}

.footer-link[hidden] {
  display: none;
}

.footer-link:hover,
.footer-link:focus-visible {
  color: color-mix(in srgb, var(--color-surface), var(--color-surface-alt) 20%);
  text-decoration: underline;
}

/* 7. Media Queries */
@media (max-width: 1024px) {
  .category-grid,
  .venture-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .pillars-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 820px) {
  .nav-shell,
  .footer-shell {
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
    padding-block: 0.75rem;
  }

  .hero-grid,
  .category-grid,
  .venture-grid,
  .pillars-grid {
    grid-template-columns: 1fr;
  }

  .site-nav {
    justify-content: flex-start;
  }

  .brand-logo {
    width: 210px;
  }

  .footer-branding {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }

  .footer-logo {
    width: 150px;
  }

  .footer-links {
    margin-top: 1rem;
    gap: 1rem;
  }
}