/* ============================================================
   CRAFTED SIMULATIONS — Portfolio Home
   Shares the observatory / mission-control design language of
   the orbital mechanics demo: dark space background, amber
   "truth" accent, starfield texture.
   ============================================================ */

:root {
  --color-bg: #0a0d16;
  --color-surface: #10141f;
  --color-surface-2: #141828;
  --color-surface-offset: #171c2c;
  --color-divider: #232a3d;
  --color-border: #2b3348;

  --color-text: #e7e6ec;
  --color-text-muted: #979db3;
  --color-text-faint: #5c6280;
  --color-text-inverse: #0a0d16;

  --color-primary: #f0b04a;
  --color-primary-hover: #f7c26b;
  --color-primary-highlight: #3a3020;

  --color-accent-2: #4fd0e0;

  --radius-sm: 0.375rem;
  --radius-md: 0.625rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
  --radius-full: 9999px;

  --transition-interactive: 180ms cubic-bezier(0.16, 1, 0.3, 1);

  --shadow-md: 0 6px 20px oklch(0 0 0 / 0.45);
  --shadow-lg: 0 24px 56px oklch(0 0 0 / 0.55);

  --content-narrow: 640px;
  --content-default: 1080px;
  --content-wide: 1180px;

  --font-display: 'General Sans', 'Segoe UI', sans-serif;
  --font-body: 'General Sans', 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Courier New', monospace;

  color-scheme: dark;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  position: relative;
}

.starfield {
  position: fixed;
  inset: 0;
  z-index: -1;
  background-image:
    radial-gradient(1.5px 1.5px at 12% 22%, rgba(231,230,236,0.55), transparent),
    radial-gradient(1px 1px at 32% 68%, rgba(231,230,236,0.4), transparent),
    radial-gradient(1.5px 1.5px at 54% 12%, rgba(231,230,236,0.5), transparent),
    radial-gradient(1px 1px at 71% 44%, rgba(231,230,236,0.35), transparent),
    radial-gradient(1.5px 1.5px at 85% 78%, rgba(231,230,236,0.5), transparent),
    radial-gradient(1px 1px at 6% 82%, rgba(231,230,236,0.4), transparent),
    radial-gradient(1.5px 1.5px at 92% 28%, rgba(231,230,236,0.45), transparent),
    radial-gradient(1px 1px at 44% 90%, rgba(231,230,236,0.35), transparent);
  background-repeat: repeat;
  background-size: 100% 100%;
  opacity: 0.8;
}

a { color: inherit; }

.container {
  max-width: var(--content-default);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(10px);
  background: oklch(0.12 0.02 260 / 0.72);
  border-bottom: 1px solid var(--color-divider);
}

.header-inner {
  max-width: var(--content-default);
  margin: 0 auto;
  padding: 0.9rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.05rem;
  text-decoration: none;
  color: var(--color-text);
  letter-spacing: -0.01em;
}

.logo svg { color: var(--color-primary); flex-shrink: 0; }

.header-nav {
  display: flex;
  gap: 1.75rem;
  font-size: 0.9rem;
}

.header-nav a {
  text-decoration: none;
  color: var(--color-text-muted);
  transition: color var(--transition-interactive);
}

.header-nav a:hover { color: var(--color-text); }

.header-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.55rem 1.1rem;
  border-radius: var(--radius-full);
  background: var(--color-primary);
  color: var(--color-text-inverse);
  font-size: 0.88rem;
  font-weight: 600;
  text-decoration: none;
  transition: background var(--transition-interactive), transform var(--transition-interactive);
  white-space: nowrap;
}

.header-cta:hover { background: var(--color-primary-hover); transform: translateY(-1px); }

/* ---------- Hero ---------- */
.hero {
  padding: 6.5rem 0 5rem;
  text-align: center;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-primary);
  background: var(--color-primary-highlight);
  border: 1px solid oklch(0.7 0.15 70 / 0.3);
  border-radius: var(--radius-full);
  padding: 0.35rem 0.9rem;
  margin-bottom: 1.75rem;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.25rem, 5vw, 3.6rem);
  line-height: 1.08;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin: 0 auto 1.5rem;
  max-width: 780px;
}

.hero h1 em {
  font-style: normal;
  color: var(--color-primary);
}

.hero-sub {
  max-width: 620px;
  margin: 0 auto 2.5rem;
  font-size: 1.1rem;
  color: var(--color-text-muted);
}

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

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 1.6rem;
  border-radius: var(--radius-full);
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  transition: background var(--transition-interactive), transform var(--transition-interactive), border-color var(--transition-interactive);
  border: 1px solid transparent;
}

.btn-primary {
  background: var(--color-primary);
  color: var(--color-text-inverse);
}
.btn-primary:hover { background: var(--color-primary-hover); transform: translateY(-1px); }

.btn-ghost {
  background: transparent;
  color: var(--color-text);
  border-color: var(--color-border);
}
.btn-ghost:hover { border-color: var(--color-text-faint); transform: translateY(-1px); }

/* ---------- Section shell ---------- */
section { padding: 5rem 0; border-top: 1px solid var(--color-divider); }
.hero { border-top: none; }

.section-head { max-width: 640px; margin: 0 auto 3rem; text-align: center; }

.section-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent-2);
  margin-bottom: 0.75rem;
  display: block;
}

.section-head h2 {
  font-family: var(--font-display);
  font-size: clamp(1.7rem, 3vw, 2.3rem);
  font-weight: 600;
  letter-spacing: -0.01em;
  margin: 0 0 1rem;
}

.section-head p { color: var(--color-text-muted); margin: 0; }

/* ---------- Origin story ---------- */
.origin-grid {
  max-width: 760px;
  margin: 0 auto;
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
}

.origin-grid p {
  margin: 0 0 1.1rem;
  color: var(--color-text-muted);
  font-size: 1.02rem;
}

.origin-grid p:last-child { margin-bottom: 0; }

.origin-grid strong { color: var(--color-text); font-weight: 600; }

.origin-signoff {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-top: 1.75rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--color-divider);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--color-text-faint);
}

.origin-signoff .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--color-primary); flex-shrink: 0; }

/* ---------- Services ---------- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.service-card {
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: border-color var(--transition-interactive), transform var(--transition-interactive);
}

.service-card:hover { border-color: var(--color-border); transform: translateY(-2px); }

.service-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: var(--color-primary-highlight);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
}

.service-card h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  margin: 0 0 0.6rem;
}

.service-card p { margin: 0; color: var(--color-text-muted); font-size: 0.94rem; }

/* ---------- Work / case study ---------- */
.case-study {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 3rem;
  align-items: center;
  background: linear-gradient(155deg, var(--color-surface-offset), var(--color-surface));
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-xl);
  padding: 3rem;
}

.case-copy .case-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: 1rem;
}

.case-copy h3 {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 600;
  margin: 0 0 1rem;
  letter-spacing: -0.01em;
}

.case-copy p { color: var(--color-text-muted); margin: 0 0 1.75rem; }

.case-facts {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin-bottom: 1.75rem;
}

.case-fact { font-size: 0.85rem; color: var(--color-text-faint); }
.case-fact strong { display: block; color: var(--color-text); font-size: 1rem; font-family: var(--font-mono); margin-bottom: 0.15rem; }

.case-visual {
  aspect-ratio: 4/3;
  border-radius: var(--radius-lg);
  background: radial-gradient(circle at 30% 30%, oklch(0.55 0.13 70 / 0.35), transparent 60%),
              radial-gradient(circle at 70% 70%, oklch(0.6 0.12 200 / 0.25), transparent 55%),
              var(--color-surface-2);
  border: 1px solid var(--color-divider);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.case-visual svg { width: 62%; height: 62%; opacity: 0.9; }

.case-orbit {
  position: absolute;
  inset: 0;
  border-radius: 50%;
}

/* ---------- Process ---------- */
.process-list {
  max-width: 720px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.process-item {
  display: grid;
  grid-template-columns: 3rem 1fr;
  gap: 1.25rem;
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--color-divider);
}

.process-item:last-child { border-bottom: none; }

.process-num {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  color: var(--color-primary);
  font-weight: 600;
}

.process-item h4 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
  margin: 0 0 0.4rem;
}

.process-item p { margin: 0; color: var(--color-text-muted); font-size: 0.95rem; }

/* ---------- Pricing note ---------- */
.pricing-note {
  max-width: 620px;
  margin: 0 auto;
  text-align: center;
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
}

.pricing-note .price-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-accent-2);
  display: block;
  margin-bottom: 0.75rem;
}

.pricing-note h3 {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 600;
  margin: 0 0 0.85rem;
}

.pricing-note p { color: var(--color-text-muted); margin: 0 0 1.75rem; }

/* ---------- Contact ---------- */
.contact-panel {
  max-width: 640px;
  margin: 0 auto;
  text-align: center;
  padding: 3.5rem 2.5rem;
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-xl);
  background: radial-gradient(circle at 50% 0%, oklch(0.55 0.13 70 / 0.14), transparent 60%), var(--color-surface);
}

.contact-panel h2 {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2.1rem);
  font-weight: 600;
  margin: 0 0 1rem;
}

.contact-panel p { color: var(--color-text-muted); margin: 0 0 2rem; }

.contact-email {
  font-family: var(--font-mono);
  font-size: 1.05rem;
}

/* ---------- Footer ---------- */
.site-footer {
  padding: 2.5rem 0 3rem;
  border-top: 1px solid var(--color-divider);
  text-align: center;
  font-size: 0.85rem;
  color: var(--color-text-faint);
}

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

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
  .header-nav { display: none; }
  .services-grid { grid-template-columns: 1fr; }
  .case-study { grid-template-columns: 1fr; padding: 2rem; }
  .case-visual { order: -1; }
  .origin-grid, .pricing-note { padding: 1.75rem; }
  .contact-panel { padding: 2.5rem 1.5rem; }
}

@media (max-width: 520px) {
  .hero { padding: 4.5rem 0 3.5rem; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .case-facts { grid-template-columns: 1fr; }
}