/* Rogue Kinetics — inventions & adventure */

:root {
  --bg-deep: #0c0e12;
  --bg-elevated: #141820;
  --bg-card: #1a1f2a;
  --ink: #e8eaef;
  --ink-muted: #9aa3b2;
  --accent: #c9a227;
  --accent-soft: rgba(201, 162, 39, 0.15);
  --accent-glow: rgba(201, 162, 39, 0.35);
  --line: rgba(255, 255, 255, 0.08);
  --font-sans: "Outfit", system-ui, sans-serif;
  --font-serif: "Instrument Serif", Georgia, serif;
  --font-mono: "JetBrains Mono", ui-monospace, monospace;
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;
  --space-2xl: 6rem;
  --radius: 12px;
  --radius-sm: 8px;
  --header-h: 4rem;
  --max: 72rem;
}

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

html {
  scroll-behavior: smooth;
}

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

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 1.0625rem;
  line-height: 1.6;
  color: var(--ink);
  background-color: var(--bg-deep);
  -webkit-font-smoothing: antialiased;
}

.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-sm);
  z-index: 1000;
  padding: var(--space-xs) var(--space-sm);
  background: var(--accent);
  color: var(--bg-deep);
  font-weight: 600;
  text-decoration: none;
  border-radius: var(--radius-sm);
}

.skip-link:focus {
  top: var(--space-sm);
}

a {
  color: var(--accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
}

a:hover {
  color: #e0bc3a;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  background: rgba(12, 14, 18, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--space-md);
  height: 100%;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--ink);
  text-decoration: none;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.logo:hover {
  color: var(--ink);
}

.logo-mark {
  color: var(--accent);
  font-size: 1.25rem;
  line-height: 1;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  width: 2.75rem;
  height: 2.75rem;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--bg-elevated);
  cursor: pointer;
}

.nav-toggle-bar {
  display: block;
  width: 1.25rem;
  height: 2px;
  margin: 0 auto;
  background: var(--ink);
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:first-child {
  transform: translateY(4px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:last-child {
  transform: translateY(-4px) rotate(-45deg);
}

.site-nav ul {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  margin: 0;
  padding: 0;
  list-style: none;
}

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

.site-nav a:hover {
  color: var(--ink);
}

@media (max-width: 768px) {
  .nav-toggle {
    display: flex;
  }

  .site-nav {
    position: fixed;
    inset: var(--header-h) 0 auto 0;
    padding: var(--space-md);
    background: var(--bg-deep);
    border-bottom: 1px solid var(--line);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: transform 0.25s ease, opacity 0.25s ease, visibility 0.25s;
  }

  .site-nav.is-open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .site-nav ul {
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-sm);
  }

  .site-nav a {
    display: block;
    padding: var(--space-sm);
    border-radius: var(--radius-sm);
    background: var(--bg-elevated);
  }
}

/* Hero */
.hero {
  position: relative;
  min-height: calc(100vh - var(--header-h));
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: var(--space-xl) var(--space-md) var(--space-lg);
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(
      180deg,
      rgba(12, 14, 18, 0.82) 0%,
      rgba(12, 14, 18, 0.55) 45%,
      rgba(10, 12, 16, 0.94) 100%
    ),
    radial-gradient(ellipse 90% 60% at 70% 20%, rgba(201, 162, 39, 0.12), transparent 55%),
    url("../images/flying.jpg") center/cover no-repeat;
  pointer-events: none;
}

.hero-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.04'/%3E%3C/svg%3E");
  opacity: 1;
}

.hero-content {
  position: relative;
  max-width: var(--max);
  margin: 0 auto;
  width: 100%;
}

.hero-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 var(--space-md);
}

.hero-title {
  font-family: var(--font-serif);
  font-size: clamp(2.75rem, 8vw, 4.5rem);
  font-weight: 400;
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin: 0 0 var(--space-md);
}

.hero-title em {
  font-style: italic;
  color: var(--accent);
}

.hero-lede {
  max-width: 32rem;
  color: var(--ink-muted);
  margin: 0 0 var(--space-lg);
  font-size: 1.125rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.35rem;
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  font-weight: 600;
  text-decoration: none;
  border-radius: 999px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease,
    transform 0.15s ease;
}

.btn:active {
  transform: scale(0.98);
}

.btn-primary {
  background: var(--accent);
  color: var(--bg-deep);
}

.btn-primary:hover {
  background: #d4ae32;
  color: var(--bg-deep);
}

.btn-ghost {
  background: transparent;
  border-color: var(--line);
  color: var(--ink);
}

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

.hero-stats {
  position: relative;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
  max-width: var(--max);
  margin: var(--space-2xl) auto 0;
  padding-top: var(--space-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.stat {
  text-align: left;
}

.stat-value {
  display: block;
  font-family: var(--font-serif);
  font-size: 2.25rem;
  color: var(--ink);
  line-height: 1.2;
}

.stat-label {
  font-size: 0.8125rem;
  color: var(--ink-muted);
  font-family: var(--font-mono);
}

@media (max-width: 600px) {
  .hero-stats {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }
}

/* Adventure imagery */
.section-adventure {
  border-top: 1px solid var(--line);
}

.adventure-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
  margin: 0 0 var(--space-lg);
  padding: 0;
  list-style: none;
}

@media (max-width: 700px) {
  .adventure-grid {
    grid-template-columns: 1fr;
  }
}

.adventure-card {
  margin: 0;
  height: 100%;
  display: flex;
  flex-direction: column;
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.adventure-card:hover {
  border-color: rgba(201, 162, 39, 0.22);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.35);
}

.adventure-card-media {
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--bg-deep);
}

.adventure-card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
  transition: transform 0.35s ease;
}

@media (prefers-reduced-motion: no-preference) {
  .adventure-card:hover .adventure-card-media img {
    transform: scale(1.04);
  }
}

.adventure-card-caption {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  padding: var(--space-md) var(--space-lg) var(--space-lg);
  text-align: left;
}

.adventure-card-label {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
}

.adventure-card-desc {
  font-size: 0.9375rem;
  color: var(--ink-muted);
  line-height: 1.5;
}

.photo-credits {
  margin: 0;
  font-size: 0.75rem;
  line-height: 1.65;
  color: var(--ink-muted);
  font-family: var(--font-mono);
  max-width: 52rem;
}

.photo-credits a {
  color: var(--ink-muted);
  text-decoration: underline;
  text-underline-offset: 0.15em;
}

.photo-credits a:hover {
  color: var(--accent);
}

/* Sections */
.section {
  padding: var(--space-2xl) var(--space-md);
}

.section-inner {
  max-width: var(--max);
  margin: 0 auto;
}

.section-header {
  margin-bottom: var(--space-xl);
  max-width: 40rem;
}

.section-header--narrow {
  max-width: 36rem;
}

.section-title {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 400;
  margin: 0 0 var(--space-sm);
  letter-spacing: -0.02em;
}

.section-intro {
  margin: 0;
  color: var(--ink-muted);
  font-size: 1.0625rem;
}

/* Work cards */
.section-work {
  background: var(--bg-elevated);
  border-top: 1px solid var(--line);
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
  margin: 0;
  padding: 0;
  list-style: none;
}

@media (max-width: 900px) {
  .card-grid {
    grid-template-columns: 1fr;
  }
}

.card {
  height: 100%;
  padding: var(--space-lg);
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.card:hover {
  border-color: rgba(201, 162, 39, 0.25);
  box-shadow: 0 0 0 1px rgba(201, 162, 39, 0.08);
}

.card-tag {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
}

.card-title {
  font-size: 1.35rem;
  font-weight: 600;
  margin: var(--space-sm) 0 var(--space-sm);
  letter-spacing: -0.02em;
}

.card-body {
  margin: 0;
  color: var(--ink-muted);
  font-size: 0.9375rem;
}

/* Lab */
.section-lab {
  border-top: 1px solid var(--line);
}

.lab-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  align-items: start;
}

@media (max-width: 768px) {
  .lab-split {
    grid-template-columns: 1fr;
  }
}

.lab-copy p {
  color: var(--ink-muted);
  margin: 0 0 var(--space-md);
}

.lab-list {
  margin: var(--space-lg) 0 0;
  padding: 0;
  list-style: none;
}

.lab-list li {
  position: relative;
  padding-left: 1.25rem;
  margin-bottom: var(--space-sm);
  color: var(--ink);
}

.lab-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 6px;
  height: 6px;
  background: var(--accent);
  border-radius: 1px;
  transform: rotate(45deg);
}

.lab-quote {
  margin: 0;
  padding: var(--space-lg);
  background: var(--accent-soft);
  border-left: 3px solid var(--accent);
  border-radius: 0 var(--radius) var(--radius) 0;
}

.lab-quote p {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  font-style: italic;
  line-height: 1.45;
  margin: 0 0 var(--space-md);
  color: var(--ink);
}

.lab-quote footer {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--ink-muted);
}

/* Trail */
.section-trail {
  background: linear-gradient(180deg, var(--bg-deep) 0%, var(--bg-elevated) 100%);
  border-top: 1px solid var(--line);
}

.trail-band {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}

@media (max-width: 768px) {
  .trail-band {
    grid-template-columns: 1fr;
  }
}

.trail-step {
  padding: var(--space-lg);
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.trail-num {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--accent);
  letter-spacing: 0.08em;
}

.trail-step h3 {
  margin: var(--space-sm) 0 var(--space-sm);
  font-size: 1.25rem;
  font-weight: 600;
}

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

/* Footer */
.site-footer {
  padding: var(--space-lg) var(--space-md);
  border-top: 1px solid var(--line);
  background: #08090c;
}

.footer-inner {
  max-width: var(--max);
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
}

.footer-brand {
  margin: 0;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.footer-brand .logo-mark {
  font-size: 1rem;
}

.footer-meta {
  margin: 0;
  font-size: 0.8125rem;
  color: var(--ink-muted);
}