*,
*::before,
*::after {
  box-sizing: border-box;
}

:root {
  --bg: #05070d;
  --bg-soft: #0b0f1a;
  --bg-glass: rgba(15, 23, 42, 0.55);
  --text-main: #f4f7fa;
  --text-muted: #9aa3b8;
  --accent: #4fd1ff;
  --accent2: #ff6ac1;
  --border: rgba(148, 163, 184, 0.35);
  --radius: 18px;
  --shadow: 0 28px 60px rgba(0, 0, 0, 0.7);
  --max: 1120px;
}

body {
  margin: 0;
  font-family: system-ui, sans-serif;
  background:
    radial-gradient(circle at top left, #1b2540 0, transparent 55%),
    radial-gradient(circle at bottom right, #2b1340 0, transparent 55%),
    var(--bg);
  color: var(--text-main);
}

/* HEADER */
.site-header {
  position: sticky;
  top: 0;
  backdrop-filter: blur(20px);
  background: rgba(5, 7, 13, 0.9);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 16px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text-main);
}

.brand-mark {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background:
    radial-gradient(circle at 20% 0%, #ffffff, #4fd1ff 40%, #111628 80%);
  border: 1px solid var(--border);
  box-shadow: 0 0 18px rgba(79, 209, 255, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  color: #05070d;
}

.brand-sub {
  font-size: 11px;
  color: var(--text-muted);
}

.nav a {
  margin-left: 20px;
  color: var(--text-muted);
  text-decoration: none;
  font-size: 13px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  position: relative;
}

.nav a:hover {
  color: var(--text-main);
}

.nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 0;
  height: 1px;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  transition: width 0.2s;
}

.nav a:hover::after {
  width: 100%;
}

/* HERO */
.hero {
  max-width: var(--max);
  margin: 0 auto;
  padding: 100px 20px 60px;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 40px;
  align-items: center;
}

.hero h1 {
  font-size: 42px;
  margin: 10px 0 16px;
  line-height: 1.15;
}

.hero-body {
  color: var(--text-muted);
  max-width: 520px;
}

.button {
  padding: 10px 22px;
  border-radius: 999px;
  font-size: 13px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  text-decoration: none;
  cursor: pointer;
  border: 1px solid var(--border);
  transition: 0.2s;
}

.button.primary {
  background: radial-gradient(circle at 0% 0%, #ffffff 0, #4fd1ff 35%, #ff6ac1 100%);
  color: #05070d;
  border: none;
  box-shadow: var(--shadow);
}

.button.primary:hover {
  transform: translateY(-2px);
}

.button.ghost {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-main);
}

.hero-image-wrap {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.hero-image-wrap img {
  width: 100%;
  display: block;
  object-fit: cover;
  filter: saturate(1.1) contrast(1.05);
}

.hero-gradient {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 0% 0%, rgba(79, 209, 255, 0.35), transparent 55%),
    radial-gradient(circle at 100% 100%, rgba(255, 106, 193, 0.35), transparent 55%),
    linear-gradient(to top, rgba(5, 7, 13, 0.7), transparent 40%);
}

/* SECTIONS */
.section {
  max-width: var(--max);
  margin: 0 auto;
  padding: 80px 20px;
}

.section-header h2 {
  font-size: 30px;
  margin: 6px 0 0;
}

.section-intro {
  max-width: 520px;
  color: var(--text-muted);
}

/* PHILOSOPHY */
.philosophy-grid {
  margin-top: 30px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}

.philosophy-card {
  background: var(--bg-glass);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
  backdrop-filter: blur(18px);
  box-shadow: var(--shadow);
}

/* ECOSYSTEM */
.ecosystem-grid {
  margin-top: 30px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}

.ecosystem-card {
  background: var(--bg-glass);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
  backdrop-filter: blur(18px);
  box-shadow: var(--shadow);
}

/* INTELLIGENCE */
.intelligence-grid {
  margin-top: 30px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.intelligence-card {
  background: var(--bg-glass);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px;
  text-align: center;
  backdrop-filter: blur(18px);
  box-shadow: var(--shadow);
}

/* FOUNDER */
.founder-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
  margin-top: 30px;
}

.founder-role {
  color: var(--text-muted);
  margin-bottom: 10px;
}

.founder-image-wrap {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.founder-image-wrap img {
  width: 100%;
  display: block;
  object-fit: cover;
}

.founder-gradient {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 0% 0%, rgba(79, 209, 255, 0.35), transparent 55%),
    radial-gradient(circle at 100% 100%, rgba(255, 106, 193, 0.35), transparent 55%),
    linear-gradient(to top, rgba(5, 7, 13, 0.7), transparent 40%);
}

/* CONTACT */
.contact-details {
  margin-top: 20px;
  color: var(--text-muted);
}

/* FOOTER */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 20px;
  text-align: center;
  color: var(--text-muted);
}
