/* ============================================================
   LUMERA — Investor Page
   Aesthetic: Luxury Editorial / Afro-Futurist Refinement
   Palette: Deep obsidian + warm gold + ivory
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,300;0,400;0,600;1,300;1,400&family=Outfit:wght@300;400;500;600&display=swap');

/* ── Tokens ─────────────────────────────────────────────── */
:root {
  --obsidian:   #08090d;
  --deep-navy:  #0b0f1a;
  --surface:    #10141f;
  --surface-2:  #161b2c;
  --border:     rgba(200, 168, 90, 0.18);
  --gold:        #c8a85a;
  --gold-light:  #e2c97e;
  --gold-dim:    rgba(200, 168, 90, 0.12);
  --ivory:       #f4ede0;
  --ivory-dim:   #c8bfb0;
  --muted:       #7a7d8a;
  --r-sm: 6px;
  --r-md: 14px;
  --r-lg: 28px;
}

/* ── Reset & Base ───────────────────────────────────────── */
*, *::before, *::after {
  margin: 0; padding: 0;
  box-sizing: border-box;
}

html { scroll-behavior: smooth; }

body {
  background-color: var(--obsidian);
  background-image:
    radial-gradient(ellipse 80% 50% at 50% -10%, rgba(200,168,90,0.07) 0%, transparent 70%),
    radial-gradient(ellipse 60% 40% at 80% 60%, rgba(11,15,26,0.9) 0%, transparent 100%);
  color: var(--ivory);
  font-family: 'Outfit', sans-serif;
  font-weight: 300;
  line-height: 1.75;
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 32px 100px;
  overflow-x: hidden;
}

/* Subtle grain texture overlay */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='300' height='300'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='300' height='300' filter='url(%23n)' opacity='0.035'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 0;
  opacity: 0.6;
}

/* ── Logo ───────────────────────────────────────────────── */
.logo {
  display: block;
  height: 54px;
  width: auto;
  margin: 40px 0 0;
  opacity: 0.88;
}

/* ── Navigation ─────────────────────────────────────────── */
nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(8, 9, 13, 0.88);
  backdrop-filter: blur(18px) saturate(160%);
  border-bottom: 1px solid var(--border);
  margin: 28px -32px 0;
  padding: 0 32px;
}

nav ul {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  justify-content: center;
  padding: 0;
}

nav li { position: relative; }

nav a {
  display: inline-block;
  text-decoration: none;
  color: var(--ivory-dim);
  font-family: 'Outfit', sans-serif;
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 20px 18px;
  transition: color 0.25s ease;
}

nav a::after {
  content: '';
  position: absolute;
  bottom: 0; left: 50%; right: 50%;
  height: 2px;
  background: var(--gold);
  transition: left 0.3s ease, right 0.3s ease;
}

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

nav a:hover::after {
  left: 16px; right: 16px;
}

/* ── Hero / City Images ─────────────────────────────────── */
.city-image {
  width: 100%;
  height: 480px;
  object-fit: cover;
  object-position: center;
  border-radius: var(--r-lg);
  margin: 56px 0 0;
  display: block;
  border: 1px solid var(--border);
  box-shadow:
    0 2px 0 rgba(200,168,90,0.25),
    0 40px 80px -20px rgba(0,0,0,0.7);
  filter: brightness(0.88) saturate(1.1);
  transition: filter 0.5s ease;
}

.city-image:hover { filter: brightness(0.96) saturate(1.15); }

/* ── Section Images ─────────────────────────────────────── */
.enation-image,
.special-image,
.education-image,
.CTA-image {
  display: block;
  width: 100%;
  max-width: 680px;
  height: 320px;
  object-fit: cover;
  border-radius: var(--r-md);
  margin: 32px 0;
  border: 1px solid var(--border);
  box-shadow: 0 20px 60px -15px rgba(0,0,0,0.65);
  filter: brightness(0.85) saturate(1.05);
}

/* ── Section Divider ────────────────────────────────────── */
.section-divider {
  border: none;
  height: 1px;
  background: linear-gradient(to right, transparent, var(--border), transparent);
  margin: 64px 0 0;
}

/* ── Headings ───────────────────────────────────────────── */
h1 {
  font-family: 'Cormorant Garamond', serif;
  font-size: 3rem;
  font-weight: 300;
  font-style: italic;
  color: var(--ivory);
  margin: 60px 0 24px;
  line-height: 1.2;
  letter-spacing: -0.01em;
  position: relative;
  padding-left: 0;
  border-left: none;
}

h1::before {
  content: '';
  display: block;
  width: 40px;
  height: 1.5px;
  background: var(--gold);
  margin-bottom: 18px;
  opacity: 0.9;
}

h1 em, h1 span { color: var(--gold-light); }

/* ── Paragraphs ─────────────────────────────────────────── */
p {
  font-size: 1.05rem;
  color: var(--ivory-dim);
  max-width: 720px;
  line-height: 1.85;
  margin-bottom: 24px;
  font-weight: 300;
}

/* ── Project List ───────────────────────────────────────── */
body > ul {
  list-style: none;
  margin: 8px 0 32px;
  padding: 32px 36px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  box-shadow: inset 0 1px 0 rgba(200,168,90,0.12), 0 20px 40px -10px rgba(0,0,0,0.4);
}

body > ul li {
  font-size: 0.98rem;
  color: var(--ivory-dim);
  padding: 14px 0;
  border-bottom: 1px solid rgba(255,255,255,0.05);
  padding-left: 28px;
  position: relative;
  font-weight: 300;
  letter-spacing: 0.01em;
  transition: color 0.2s;
}

body > ul li:last-child { border-bottom: none; }

body > ul li::before {
  content: '◆';
  position: absolute;
  left: 0;
  top: 14px;
  color: var(--gold);
  font-size: 0.5rem;
  line-height: 1.8;
  opacity: 0.8;
}

body > ul li:hover { color: var(--ivory); }

/* ── Links ──────────────────────────────────────────────── */
a {
  color: var(--gold-light);
  text-decoration: none;
  transition: color 0.2s, opacity 0.2s;
}

a:hover { color: #fff; opacity: 0.9; }

p a {
  border-bottom: 1px solid rgba(200,168,90,0.35);
  padding-bottom: 1px;
}

p a:hover { border-color: var(--gold-light); }

/* ── Section Card Wrapping ──────────────────────────────── */
h1 + p {
  background: transparent;
  border: none;
  border-radius: 0;
  padding: 0;
  box-shadow: none;
}

/* ── Call-to-Action section ─────────────────────────────── */
#head5 ~ p {
  display: inline-block;
}

/* ── CTA Button ─────────────────────────────────────────── */
p a[href^="mailto"] {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 8px;
  padding: 13px 30px;
  background: transparent;
  border: 1px solid var(--gold);
  border-radius: 2px;
  color: var(--gold-light);
  font-family: 'Outfit', sans-serif;
  font-size: 0.76rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  text-decoration: none;
  transition: background 0.3s, color 0.3s, box-shadow 0.3s;
}

p a[href^="mailto"]:hover {
  background: var(--gold);
  color: var(--obsidian);
  box-shadow: 0 0 28px rgba(200,168,90,0.3);
}

/* ── Fade-in on scroll (progressive enhancement) ─────── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(22px); }
  to   { opacity: 1; transform: translateY(0); }
}

h1, p, .city-image, .enation-image, .special-image, .education-image, .CTA-image, body > ul {
  animation: fadeUp 0.7s ease both;
}

/* ── Responsive ─────────────────────────────────────────── */
@media (max-width: 768px) {
  body { padding: 0 18px 60px; }

  nav { margin: 28px -18px 0; padding: 0 18px; }

  nav ul { justify-content: flex-start; overflow-x: auto; flex-wrap: nowrap; }
  nav a { font-size: 0.68rem; padding: 18px 14px; white-space: nowrap; }

  h1 { font-size: 2.2rem; }

  .city-image { height: 260px; margin: 40px 0 0; }
  .enation-image, .special-image, .education-image, .CTA-image { height: 220px; }

  body > ul { padding: 22px 22px; }
}