/* UKMA — BASE STYLES */

/* ============================================
   UKMA.TECH — Main CSS
   Tech-Future Dark Theme
   ============================================ */

/* ---------- RESET ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
img, video { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; border: none; background: none; font: inherit; }
ul, ol { list-style: none; }
input, textarea, select { font: inherit; }

/* ---------- CSS VARIABLES ---------- */
:root {
  /* Brand */
  --blue: #00A3FF;
  --blue-dim: #0077CC;
  --blue-glow: rgba(0,163,255,0.25);
  --accent-yellow: #FFD600;
  --danger: #FF3B3B;

  /* Darks */
  --bg-base: #050810;
  --bg-card: #0C1220;
  --bg-card-hover: #111a2e;
  --bg-section: #080D1A;
  --border: rgba(0,163,255,0.15);
  --border-bright: rgba(0,163,255,0.4);

  /* Text */
  --text-primary: #F0F4FF;
  --text-secondary: #8A9BB5;
  --text-muted: #4A5568;

  /* Fonts */
  --font-display: 'Barlow Condensed', sans-serif;
  --font-body: 'Barlow', sans-serif;
  --font-mono: 'Space Mono', monospace;

  /* Spacing */
  --container: 1280px;
  --header-h: 70px;
  --radius: 8px;
  --radius-lg: 16px;

  /* Transitions */
  --ease: cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --t-fast: 150ms;
  --t-med: 300ms;
  --t-slow: 600ms;
}

/* ---------- BASE ---------- */
body {
  background: var(--bg-base);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 1.25rem;
}
@media (min-width: 768px) { .container { padding: 0 2rem; } }
@media (min-width: 1280px) { .container { padding: 0 2.5rem; } }

section { position: relative; }

/* ---------- TYPOGRAPHY ---------- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 800;
  line-height: 1.05;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

.display-xl { font-size: clamp(3.5rem, 10vw, 8rem); font-weight: 900; }
.display-lg { font-size: clamp(2.5rem, 6vw, 5rem); }
.display-md { font-size: clamp(2rem, 4vw, 3.5rem); }
.section-title { font-size: clamp(1.8rem, 4vw, 3rem); margin-bottom: 1rem; }
.section-sub { font-size: 1rem; color: var(--text-secondary); font-weight: 400; font-family: var(--font-body); text-transform: none; letter-spacing: 0; line-height: 1.6; }

.text-blue { color: var(--blue); }
.text-yellow { color: var(--accent-yellow); }
.text-muted { color: var(--text-secondary); }
.mono { font-family: var(--font-mono); }

/* ---------- BUTTONS ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: .08em;
  padding: .75rem 2rem;
  border-radius: var(--radius);
  transition: all var(--t-med) var(--ease-out);
  position: relative;
  overflow: hidden;
  white-space: nowrap;
}
.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0.05);
  opacity: 0;
  transition: opacity var(--t-fast);
}
.btn:hover::after { opacity: 1; }
.btn:active { transform: scale(0.97); }

.btn-primary {
  background: var(--blue);
  color: #fff;
  box-shadow: 0 0 24px var(--blue-glow), 0 4px 12px rgba(0,0,0,0.4);
}
.btn-primary:hover {
  background: #1AB3FF;
  box-shadow: 0 0 40px rgba(0,163,255,0.5), 0 8px 24px rgba(0,0,0,0.5);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: var(--blue);
  border: 1.5px solid var(--border-bright);
}
.btn-outline:hover {
  border-color: var(--blue);
  box-shadow: 0 0 20px var(--blue-glow);
  transform: translateY(-2px);
}

.btn-ghost { background: rgba(255,255,255,0.05); color: var(--text-primary); border: 1px solid var(--border); }
.btn-ghost:hover { background: rgba(255,255,255,0.1); border-color: var(--border-bright); }

.btn-sm { padding: .5rem 1.25rem; font-size: .875rem; }
.btn-lg { padding: 1rem 2.5rem; font-size: 1.125rem; }
.btn-xl { padding: 1.25rem 3rem; font-size: 1.25rem; }