:root {
  --color-bg: #0a0906;
  --color-bg-2: #110f0b;
  --color-bg-3: #181410;
  --color-gold: #c9973a;
  --color-gold-light: #e8b95a;
  --color-gold-dim: #7a5820;
  --color-text: #f0ebe0;
  --color-text-muted: #8a8070;
  --color-text-dim: #4a4438;
  --color-border: rgba(201, 151, 58, 0.15);
  --color-border-hover: rgba(201, 151, 58, 0.35);
  --color-good: #5e8f67;
  --color-warn: #9f7e47;
  --color-cool: #6f8397;
  --font-display: "Syne", sans-serif;
  --font-body: "DM Sans", sans-serif;
  --container-inline: 4rem;
  --section-space: 5.5rem;
  --nav-bg: rgba(10, 9, 6, 0.85);
  --transition: color 0.25s ease, background-color 0.25s ease, border-color 0.25s ease;
}

html.light {
  --color-bg: #faf6ee;
  --color-bg-2: #f0e8d4;
  --color-bg-3: #e8ddc8;
  --color-gold: #8a5e1a;
  --color-gold-light: #a87022;
  --color-gold-dim: #c9973a;
  --color-text: #1a1408;
  --color-text-muted: #6b5a3e;
  --color-text-dim: #a89070;
  --color-border: rgba(138, 94, 26, 0.15);
  --color-border-hover: rgba(138, 94, 26, 0.35);
  --color-good: #4f7c56;
  --color-warn: #8f6c33;
  --color-cool: #566d84;
  --nav-bg: rgba(250, 246, 238, 0.88);
}

html {
  scroll-behavior: smooth;
}

* {
  box-sizing: border-box;
  transition: var(--transition);
}

body {
  margin: 0;
  font-family: var(--font-body);
  background: var(--color-bg);
  color: var(--color-text);
}

body.nav-scroll-lock {
  overflow: hidden;
}

a {
  color: inherit;
  text-decoration: none;
}

.container {
  width: min(1200px, calc(100% - (2 * var(--container-inline))));
  margin: 0 auto;
}

.section {
  padding: var(--section-space) 0;
  position: relative;
}

.section-alt {
  background: var(--color-bg-2);
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  color: var(--color-gold-dim);
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-size: 0.7rem;
}

.section-label::before {
  content: "";
  width: 2rem;
  height: 1px;
  background: var(--color-gold);
}

.section-title {
  margin: 0.85rem 0 0.95rem;
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3.3rem);
  line-height: 1.04;
  letter-spacing: -0.02em;
}

.section-copy {
  margin: 0;
  max-width: 64ch;
  color: var(--color-text-muted);
  font-size: 1rem;
  line-height: 1.8;
  font-weight: 300;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  border: 0.5px solid var(--color-border);
  border-radius: 0;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-size: 0.9rem;
  font-weight: 500;
  padding: 0.9rem 1.25rem;
}

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

.btn-primary:hover {
  background: var(--color-gold-light);
  border-color: var(--color-gold-light);
  transform: translateY(-1px);
}

.btn-ghost {
  color: var(--color-text-muted);
}

.btn-ghost:hover {
  color: var(--color-text);
  border-color: var(--color-border-hover);
}

.nav {
  position: fixed;
  left: 0;
  top: 0;
  width: 100%;
  z-index: 30;
  backdrop-filter: blur(12px);
  background: var(--nav-bg);
  border-bottom: 0.5px solid var(--color-border);
}

.nav-inner {
  min-height: 4.4rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: relative;
}

.logo {
  font-family: var(--font-display);
  font-size: 1.08rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  font-weight: 700;
  display: inline-flex;
  align-items: baseline;
  gap: 0.45rem;
}

.logo small {
  font-size: 0.58em;
  letter-spacing: 0.2em;
  color: var(--color-gold);
  font-weight: 500;
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 1.15rem;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.1rem;
}

.nav-links a {
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 0.78rem;
  color: var(--color-text-muted);
}

.nav-links a:hover {
  color: var(--color-gold);
}

.nav-links a.active {
  color: var(--color-gold);
}

.nav-capability {
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.66rem;
  color: var(--color-gold);
  border: 0.5px solid var(--color-gold-dim);
  padding: 0.5rem 0.64rem;
  line-height: 1;
  background: color-mix(in srgb, var(--color-bg) 84%, var(--color-gold) 16%);
  animation: capabilityPulse 3.2s ease-in-out infinite;
}

.nav-capability:hover {
  border-color: var(--color-gold);
  color: var(--color-gold-light);
}

.nav-capability.active {
  background: var(--color-gold);
  border-color: var(--color-gold);
  color: var(--color-bg);
  animation: none;
}

.mobile-nav-toggle {
  display: none;
  width: 2.2rem;
  height: 2.2rem;
  border: 0.5px solid var(--color-border);
  background: transparent;
  color: var(--color-text-muted);
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 0.66rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.mobile-nav-toggle:hover {
  color: var(--color-gold);
  border-color: var(--color-border-hover);
}

.nav-backdrop {
  position: fixed;
  inset: 0;
  border: 0;
  background: color-mix(in srgb, var(--color-bg) 72%, transparent 28%);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.24s ease;
  z-index: 31;
}

.theme-toggle {
  width: 2.2rem;
  height: 2.2rem;
  border: 0.5px solid var(--color-border);
  background: transparent;
  color: var(--color-gold);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.theme-toggle svg {
  width: 1.15rem;
  height: 1.15rem;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.75;
}

.theme-toggle .icon-sun {
  display: none;
}

html.light .theme-toggle .icon-sun {
  display: block;
}

html.light .theme-toggle .icon-moon {
  display: none;
}

.page-main {
  padding-top: 4.4rem;
}

.proof-grid {
  margin-top: 2rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.proof-card {
  border: 0.5px solid var(--color-border);
  background: var(--color-bg-3);
  padding: 1.2rem;
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
}

.proof-head {
  margin: 0;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-text-dim);
  font-size: 0.65rem;
}

.proof-card h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.25rem;
}

.proof-card p {
  margin: 0;
  color: var(--color-text-muted);
  line-height: 1.75;
  font-size: 0.9rem;
  font-weight: 300;
}

.evidence-list {
  margin: 0;
  padding-left: 1rem;
}

.evidence-list li {
  margin-top: 0.34rem;
  color: var(--color-text-muted);
  line-height: 1.7;
  font-size: 0.88rem;
}

.meta-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.44rem;
}

.meta-pill {
  border: 0.5px solid var(--color-border);
  color: var(--color-text-dim);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 0.62rem;
  padding: 0.33rem 0.5rem;
}

.blog-grid {
  margin-top: 2rem;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.9rem;
}

.blog-card {
  border: 0.5px solid var(--color-border);
  background: var(--color-bg-3);
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  min-height: 205px;
}

.blog-meta {
  margin: 0;
  text-transform: uppercase;
  letter-spacing: 0.11em;
  font-size: 0.62rem;
  color: var(--color-text-dim);
}

.blog-card h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.08rem;
}

.blog-card p {
  margin: 0;
  color: var(--color-text-muted);
  line-height: 1.72;
  font-size: 0.86rem;
  font-weight: 300;
}

.blog-action {
  margin-top: auto;
}

.proof-card,
.blog-card,
.engage-card,
.pillar-card,
.cap-card,
.docs-card {
  transition:
    transform 0.32s ease,
    border-color 0.32s ease,
    background-color 0.32s ease,
    box-shadow 0.32s ease;
}

@media (hover: hover) {
  .proof-card:hover,
  .blog-card:hover,
  .engage-card:hover,
  .pillar-card:hover,
  .cap-card:hover,
  .docs-card:hover {
    transform: translateY(-4px);
    border-color: var(--color-border-hover);
    box-shadow: 0 18px 40px -28px var(--color-gold-dim);
  }
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.72s ease, transform 0.72s ease;
}

.reveal-visible {
  opacity: 1;
  transform: translateY(0);
}

.footer {
  border-top: 0.5px solid var(--color-border);
}

.footer-inner {
  min-height: 4.6rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.footer-note {
  margin: 0;
  color: var(--color-text-dim);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.76rem;
}

@media (max-width: 980px) {
  .proof-grid,
  .blog-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  :root {
    --container-inline: 1.5rem;
    --section-space: 4rem;
  }

  .nav-inner {
    min-height: 4.3rem;
  }

  .nav-right {
    gap: 0.45rem;
  }

  .mobile-nav-toggle {
    display: inline-flex;
  }

  .nav-links {
    position: absolute;
    top: calc(100% + 0.52rem);
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    border: 0.5px solid var(--color-border);
    background: color-mix(in srgb, var(--color-bg) 92%, transparent 8%);
    backdrop-filter: blur(8px);
    opacity: 0;
    transform: translateY(-6px);
    pointer-events: none;
    transition: opacity 0.24s ease, transform 0.24s ease;
    z-index: 32;
  }

  body.nav-open .nav-links {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
  }

  body.nav-open .nav-backdrop {
    opacity: 1;
    pointer-events: auto;
  }

  .nav-links a {
    width: 100%;
    padding: 0.85rem 0.9rem;
    border-top: 0.5px solid var(--color-border);
  }

  .nav-links a:first-child {
    border-top: none;
  }

  .nav-capability {
    font-size: 0.62rem;
    padding: 0.46rem 0.52rem;
  }

  .logo small {
    display: none;
  }
}

@media (max-width: 480px) {
  :root {
    --container-inline: 1.1rem;
    --section-space: 3.4rem;
  }

  .btn {
    width: 100%;
    min-height: 2.8rem;
    padding: 0.8rem 0.95rem;
    font-size: 0.8rem;
  }

  .section-copy {
    font-size: 0.94rem;
    line-height: 1.72;
  }
}

@keyframes capabilityPulse {
  0%,
  100% {
    box-shadow: 0 0 0 0 rgba(201, 151, 58, 0);
  }

  50% {
    box-shadow: 0 0 0 5px rgba(201, 151, 58, 0.08);
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
  }

  .reveal,
  .reveal-visible {
    opacity: 1;
    transform: none;
  }
}