/* =========================================================
   darkskyllc.com — Shared Stylesheet
   ========================================================= */

:root {
  --color-bg:        #1e2b3a;
  --color-surface:   #253444;
  --color-surface-2: #2d3f52;
  --color-border:    #3a5268;
  --color-accent:    #c8a96e;   /* warm gold — holding company gravitas */
  --color-text:      #e0e0ec;
  --color-body:      #b4b4cc;   /* body copy — readable, clearly secondary */
  --color-muted:     #8c8cac;   /* captions, labels, fine print */
  --color-white:     #f5f5fa;

  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;

  --radius-sm:  5px;
  --radius-md:  10px;

  --max-width: 1040px;
  --nav-height: 60px;
}

/* ── Reset ─────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--color-accent); text-decoration: none; }
a:hover { opacity: 0.75; }
img { max-width: 100%; display: block; }

/* ── Navigation ─────────────────────────────────────────── */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--nav-height);
  background: rgba(30, 43, 58, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-border);
}
.nav-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 32px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  font-size: 0.92rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-white);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 10px;
}
.nav-logo:hover { opacity: 0.7; }
.nav-logo-mark {
  width: 26px;
  height: 26px;
  border: 1px solid var(--color-accent);
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.65rem;
  font-weight: 800;
  color: var(--color-accent);
  letter-spacing: 0;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
  list-style: none;
}
.nav-links a {
  color: var(--color-muted);
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  transition: color 0.15s;
}
.nav-links a:hover,
.nav-links a.active { color: var(--color-white); opacity: 1; }

/* ── Layout ─────────────────────────────────────────────── */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 32px;
}
.section       { padding: 96px 0; }
.section-sm    { padding: 56px 0; }

/* ── Hero ───────────────────────────────────────────────── */
.hero {
  position: relative;
  padding: 140px 0 120px;
  background-image: url('landscape_image.png');
  background-size: cover;
  background-position: center 35%;
  background-repeat: no-repeat;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to right,
    rgba(14, 22, 32, 0.82) 0%,
    rgba(14, 22, 32, 0.55) 60%,
    rgba(14, 22, 32, 0.30) 100%
  );
}
.hero .container {
  position: relative;
  z-index: 1;
}
.hero-label {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--color-accent);
  margin-bottom: 28px;
}
.hero-title {
  font-size: clamp(3rem, 7vw, 5.5rem);
  font-weight: 300;
  line-height: 1.08;
  color: var(--color-white);
  letter-spacing: -0.025em;
  margin-bottom: 32px;
}
.hero-title strong {
  font-weight: 700;
}
.hero-sub {
  font-size: 1.1rem;
  color: var(--color-body);
  max-width: 480px;
  line-height: 1.85;
}

/* ── Section headings ───────────────────────────────────── */
.section-label {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--color-accent);
  margin-bottom: 20px;
}
.section-title {
  font-size: clamp(2rem, 3.5vw, 2.8rem);
  font-weight: 300;
  line-height: 1.18;
  color: var(--color-white);
  letter-spacing: -0.02em;
  margin-bottom: 20px;
}
.section-title strong { font-weight: 700; }
.section-sub {
  font-size: 1.05rem;
  color: var(--color-body);
  max-width: 540px;
  line-height: 1.85;
}

/* ── Divider ────────────────────────────────────────────── */
.divider {
  border: none;
  border-top: 1px solid var(--color-border);
}

/* ── Ventures list ──────────────────────────────────────── */
.ventures-list {
  margin-top: 56px;
  border-top: 1px solid var(--color-border);
}
.venture-row {
  display: grid;
  grid-template-columns: 2fr 3fr 1fr;
  gap: 32px;
  align-items: center;
  padding: 32px 0;
  border-bottom: 1px solid var(--color-border);
  transition: background 0.15s;
}
.venture-row:hover { background: var(--color-surface); margin: 0 -32px; padding: 32px 32px; }
.venture-name {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--color-white);
}
.venture-tag {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-accent);
  border: 1px solid rgba(200, 169, 110, 0.3);
  border-radius: 3px;
  padding: 2px 8px;
  margin-top: 6px;
}
.venture-desc {
  font-size: 0.95rem;
  color: var(--color-body);
  line-height: 1.75;
}
.venture-link {
  text-align: right;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--color-muted);
  white-space: nowrap;
}
.venture-link a { color: var(--color-text); }
.venture-link a:hover { color: var(--color-accent); opacity: 1; }

/* ── Principles ─────────────────────────────────────────── */
.principles-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--color-border);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-top: 56px;
}
.principle {
  background: var(--color-surface);
  padding: 36px 28px;
}
.principle-num {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--color-accent);
  margin-bottom: 16px;
}
.principle-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 10px;
}
.principle-body {
  font-size: 0.93rem;
  color: var(--color-body);
  line-height: 1.78;
}

/* ── Buttons ────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 26px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.88rem;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: opacity 0.15s;
  text-decoration: none;
}
.btn:hover { opacity: 0.78; }
.btn-primary {
  background: var(--color-accent);
  color: #0a0a0c;
}
.btn-ghost {
  background: transparent;
  color: var(--color-text);
  border: 1px solid var(--color-border);
}

/* ── Cards (product pages) ──────────────────────────────── */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 28px;
}
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1px;
  background: var(--color-border);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
}
.card-grid .card { border: none; border-radius: 0; }
.card-icon {
  font-size: 1.3rem;
  margin-bottom: 16px;
}
.card-title {
  font-weight: 700;
  font-size: 0.97rem;
  color: var(--color-white);
  margin-bottom: 8px;
}
.card-body {
  color: var(--color-body);
  font-size: 0.93rem;
  line-height: 1.78;
}

/* ── Page hero (inner pages) ─────────────────────────────── */
.page-hero {
  padding: 80px 0 64px;
  border-bottom: 1px solid var(--color-border);
}

/* ── Prose ───────────────────────────────────────────────── */
.prose { max-width: 720px; }
.prose h2 {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--color-white);
  margin: 48px 0 12px;
}
.prose h3 {
  font-size: 0.97rem;
  font-weight: 700;
  color: var(--color-text);
  margin: 28px 0 8px;
}
.prose p { color: var(--color-body); margin-bottom: 16px; line-height: 1.85; font-size: 1rem; }
.prose ul, .prose ol {
  color: var(--color-body);
  padding-left: 20px;
  margin-bottom: 16px;
}
.prose li { margin-bottom: 6px; line-height: 1.75; }
.prose a { color: var(--color-accent); }
.prose strong { color: var(--color-text); font-weight: 600; }

/* ── Contact ─────────────────────────────────────────────── */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 80px;
  align-items: start;
}
.contact-info h3 {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.contact-info p, .contact-info a { color: var(--color-muted); font-size: 0.92rem; }
.contact-info a:hover { color: var(--color-accent); opacity: 1; }
.contact-item { margin-bottom: 32px; }

/* ── Form ────────────────────────────────────────────────── */
.form-group { margin-bottom: 18px; }
.form-group label {
  display: block;
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-muted);
  margin-bottom: 8px;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 11px 14px;
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: 0.93rem;
  outline: none;
  transition: border-color 0.15s;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus { border-color: var(--color-accent); }
.form-group textarea { resize: vertical; min-height: 130px; }
.form-group select option { background: var(--color-surface-2); }

/* ── Footer ──────────────────────────────────────────────── */
.footer {
  border-top: 1px solid var(--color-border);
  padding: 56px 0 40px;
}
.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 32px;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 48px;
  flex-wrap: wrap;
}
.footer-brand p {
  color: var(--color-muted);
  font-size: 0.85rem;
  margin-top: 10px;
  max-width: 220px;
  line-height: 1.65;
}
.footer-links { display: flex; gap: 56px; flex-wrap: wrap; }
.footer-col h4 {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-muted);
  font-weight: 700;
  margin-bottom: 14px;
}
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 10px; }
.footer-col a { color: var(--color-text); font-size: 0.87rem; }
.footer-col a:hover { color: var(--color-accent); opacity: 1; }
.footer-bottom {
  max-width: var(--max-width);
  margin: 40px auto 0;
  padding: 24px 32px 0;
  border-top: 1px solid var(--color-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}
.footer-bottom p { color: var(--color-muted); font-size: 0.8rem; }
.footer-bottom a { color: var(--color-muted); }
.footer-bottom a:hover { color: var(--color-accent); opacity: 1; }

/* ── Responsive ──────────────────────────────────────────── */
@media (max-width: 768px) {
  .nav-links { display: none; }
  .hero { padding: 88px 0 72px; }
  .section { padding: 64px 0; }
  .venture-row { grid-template-columns: 1fr; gap: 8px; }
  .venture-link { text-align: left; }
  .principles-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; gap: 48px; }
  .footer-inner { flex-direction: column; gap: 32px; }
  .footer-links { gap: 32px; }
  .container { padding: 0 20px; }
}