*,
*::before,
*::after {
  box-sizing: border-box;
}

:root {
  --color-bg: #060608;
  --color-bg-elevated: #0e1016;
  --color-surface: #141820;
  --color-surface-hover: #1a1f2a;
  --color-text: #eef0f4;
  --color-muted: #8b93a7;
  --color-muted-soft: #5c6478;
  --color-accent: #7c9cff;
  --color-accent-soft: rgba(124, 156, 255, 0.12);
  --color-accent-glow: rgba(124, 156, 255, 0.25);
  --color-border: rgba(255, 255, 255, 0.08);
  --color-border-strong: rgba(255, 255, 255, 0.14);
  --max-width: 76rem;
  --radius: 0.875rem;
  --radius-sm: 0.5rem;
  --header-height: 4.25rem;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    sans-serif;
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--color-accent);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

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

.hidden {
  display: none;
}

/* Header */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-height);
  background: rgba(6, 6, 8, 0.82);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.625rem;
  text-decoration: none;
  color: var(--color-text);
}

.logo-name {
  white-space: nowrap;
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: -0.03em;
}

.logo-img {
  display: block;
  height: 36px;
  width: auto;
  flex-shrink: 0;
}

.logo-img-sm {
  height: 26px;
}

.logo-i {
  font-weight: 700;
}

.site-header nav {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

.site-header nav a {
  color: var(--color-muted);
  font-size: 0.9375rem;
  font-weight: 500;
  text-decoration: none;
  transition: color 0.15s ease;
}

.site-header nav a:hover {
  color: var(--color-text);
  text-decoration: none;
}

.nav-cta {
  padding: 0.5rem 1rem;
  border: 1px solid var(--color-border-strong);
  border-radius: 999px;
  color: var(--color-text) !important;
}

.nav-cta:hover {
  background: var(--color-surface);
}

/* Hero */

.hero {
  position: relative;
  padding: clamp(4rem, 10vw, 7rem) 0 clamp(3rem, 8vw, 5rem);
  overflow: hidden;
}

.hero-glow {
  position: absolute;
  top: -20%;
  left: 50%;
  translate: -50% 0;
  width: min(900px, 120vw);
  height: 500px;
  background: radial-gradient(
    ellipse at center,
    var(--color-accent-glow) 0%,
    transparent 70%
  );
  pointer-events: none;
}

.hero-inner {
  position: relative;
}

.eyebrow,
.section-label {
  margin: 0 0 1rem;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.hero h1 {
  margin: 0 0 1.25rem;
  max-width: 42rem;
  font-size: clamp(2.5rem, 6vw, 4.25rem);
  font-weight: 600;
  line-height: 1.08;
  letter-spacing: -0.04em;
}

.lead {
  margin: 0 0 2.5rem;
  max-width: 40rem;
  font-size: clamp(1.0625rem, 2vw, 1.25rem);
  color: var(--color-muted);
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.875rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.8125rem 1.5rem;
  border-radius: 999px;
  font-size: 0.9375rem;
  font-weight: 600;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease, opacity 0.15s ease;
}

.button-primary {
  background: var(--color-text);
  color: var(--color-bg);
}

.button-primary:hover {
  background: #fff;
  text-decoration: none;
}

.button-primary:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.button-ghost {
  background: transparent;
  color: var(--color-text);
  border: 1px solid var(--color-border-strong);
}

.button-ghost:hover {
  background: var(--color-surface);
  text-decoration: none;
}

.button-full {
  width: 100%;
}

/* Sections */

.section {
  padding: clamp(4rem, 8vw, 6rem) 0;
}

.section-alt {
  background: var(--color-bg-elevated);
  border-block: 1px solid var(--color-border);
}

.section h2 {
  margin: 0 0 1rem;
  max-width: 42rem;
  font-size: clamp(1.875rem, 4vw, 2.75rem);
  font-weight: 600;
  line-height: 1.12;
  letter-spacing: -0.03em;
}

.section-intro {
  margin: 0 0 3rem;
  max-width: 42rem;
  color: var(--color-muted);
  font-size: 1.125rem;
}

/* Triad */

.triad {
  display: grid;
  gap: 1.25rem;
  grid-template-columns: repeat(auto-fit, minmax(17rem, 1fr));
}

.triad-card {
  padding: 1.75rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
}

.triad-card-accent {
  background: var(--color-accent-soft);
  border-color: rgba(124, 156, 255, 0.2);
}

.triad-tag {
  display: inline-block;
  margin-bottom: 1rem;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-muted);
}

.triad-card-accent .triad-tag {
  color: var(--color-accent);
}

.triad-card ul {
  margin: 0;
  padding-left: 1.1rem;
  color: var(--color-muted);
}

.triad-card li + li {
  margin-top: 0.5rem;
}

/* Pipeline */

.pipeline {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr));
  margin-bottom: 2.5rem;
}

.pipeline-step {
  padding: 1.5rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
}

.pipeline-num {
  display: block;
  margin-bottom: 0.75rem;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--color-accent);
}

.pipeline-step h3 {
  margin: 0 0 0.5rem;
  font-size: 1.0625rem;
}

.pipeline-step p {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--color-muted);
}

/* Features */

.features {
  display: grid;
  gap: 1.25rem;
  grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr));
}

.feature {
  padding: 1.5rem 0;
  border-top: 1px solid var(--color-border);
}

.feature h3 {
  margin: 0 0 0.5rem;
  font-size: 1.0625rem;
}

.feature p {
  margin: 0;
  color: var(--color-muted);
  font-size: 0.9375rem;
}

/* Engagement */

.engagement-grid {
  display: grid;
  gap: 2rem;
  grid-template-columns: 1.4fr 1fr;
  align-items: start;
}

.engagement-copy p {
  margin: 0 0 1.25rem;
  color: var(--color-muted);
  font-size: 1.0625rem;
}

.check-list {
  margin: 0 0 1.5rem;
  padding: 0;
  list-style: none;
}

.check-list li {
  position: relative;
  padding-left: 1.5rem;
  color: var(--color-muted);
}

.check-list li + li {
  margin-top: 0.625rem;
}

.check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 0.45rem;
  height: 0.45rem;
  border-radius: 50%;
  background: var(--color-accent);
}

.meta-note {
  font-size: 0.875rem !important;
  color: var(--color-muted-soft) !important;
}

.team-card {
  padding: 1.75rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
}

.team-list {
  margin: 0;
}

.team-list div + div {
  margin-top: 1.25rem;
}

.team-list dt {
  margin-bottom: 0.25rem;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-muted-soft);
}

.team-list dd {
  margin: 0;
  color: var(--color-text);
  font-size: 0.9375rem;
}

/* Contact */

.section-contact {
  border-top: 1px solid var(--color-border);
}

.contact-grid {
  display: grid;
  gap: 3rem;
  grid-template-columns: 1fr 1.1fr;
  align-items: start;
}

.contact-copy p {
  margin: 0;
  max-width: 28rem;
  color: var(--color-muted);
}

.contact-card {
  padding: 2rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
}

.contact-label {
  margin: 0 0 0.5rem;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-muted-soft);
}

.contact-email {
  display: block;
  margin-bottom: 0.75rem;
  font-size: clamp(1.25rem, 3vw, 1.5rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--color-text);
  text-decoration: none;
}

.contact-email:hover {
  color: var(--color-accent);
  text-decoration: none;
}

.contact-note {
  margin: 0 0 1.5rem;
  color: var(--color-muted);
  font-size: 0.9375rem;
}

.contact-card .button {
  display: inline-flex;
}

/* Footer */

.site-footer {
  padding: 2.5rem 0 3rem;
  border-top: 1px solid var(--color-border);
}

.footer-inner {
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
}

.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin: 0;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.footer-meta,
.site-footer p:last-child {
  margin: 0;
  font-size: 0.875rem;
  color: var(--color-muted-soft);
}

/* Responsive */

@media (max-width: 768px) {
  .site-header nav a:not(.nav-cta) {
    display: none;
  }

  .engagement-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }
}