/* --- Fonts (self-hosted) --- */

@font-face {
  font-family: 'IBM Plex Sans';
  font-style: normal;
  font-weight: 300;
  font-display: swap;
  src: url('../fonts/ibm-plex-sans-300.woff2') format('woff2');
}

@font-face {
  font-family: 'IBM Plex Sans';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('../fonts/ibm-plex-sans-400.woff2') format('woff2');
}

@font-face {
  font-family: 'IBM Plex Sans';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url('../fonts/ibm-plex-sans-600.woff2') format('woff2');
}

@font-face {
  font-family: 'IBM Plex Mono';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('../fonts/ibm-plex-mono-400.woff2') format('woff2');
}

/* -------------------------------------------------------------------
   Hamer Technical — Dark C2 Theme
   ------------------------------------------------------------------- */

:root {
  --bg-primary: #0a0e14;
  --bg-secondary: #131820;
  --bg-tertiary: #1a2030;
  --accent-blue: #58a6ff;
  --accent-amber: #d4a843;
  --text-primary: #e6edf3;
  --text-secondary: #8b949e;
  --border: #21262d;
  --font-sans: 'IBM Plex Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'IBM Plex Mono', 'Fira Code', monospace;
}

/* --- Reset --- */

*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  font-weight: 400;
  color: var(--text-primary);
  background: var(--bg-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

a {
  color: var(--accent-blue);
  text-decoration: none;
  transition: color 0.2s;
}

a:hover {
  color: var(--accent-amber);
}

/* --- Hero --- */

#hero {
  position: relative;
  width: 100%;
  height: 100vh;
  overflow: hidden;
}

#hero-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  pointer-events: none;
  z-index: 1;
}

.hero-overlay h1 {
  font-size: clamp(1.8rem, 5vw, 3.5rem);
  font-weight: 600;
  letter-spacing: 0.25em;
  color: var(--text-primary);
  text-align: center;
}

.hero-overlay .tagline {
  margin-top: 1rem;
  font-size: clamp(0.85rem, 1.8vw, 1.1rem);
  font-weight: 300;
  color: var(--text-secondary);
  letter-spacing: 0.15em;
  text-align: center;
}

/* Scroll indicator */

.scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1;
}

.scroll-indicator span {
  display: block;
  width: 1px;
  height: 40px;
  background: var(--text-secondary);
  opacity: 0.4;
  animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
  0%, 100% { opacity: 0.1; transform: scaleY(0.5); }
  50% { opacity: 0.5; transform: scaleY(1); }
}

/* --- Sections --- */

.section-inner {
  max-width: 1000px;
  margin: 0 auto;
  padding: 6rem 2rem;
}

/* --- Capabilities --- */

#capabilities {
  border-top: 1px solid var(--border);
}

.capability-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.card {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 2rem;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.card.visible {
  opacity: 1;
  transform: translateY(0);
}

.card-icon {
  color: var(--accent-blue);
  margin-bottom: 1.25rem;
}

.card h2 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
  color: var(--text-primary);
}

.card p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* --- About --- */

#about {
  border-top: 1px solid var(--border);
}

#about h2 {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  color: var(--text-primary);
}

#about p {
  font-size: 1rem;
  color: var(--text-secondary);
  margin-bottom: 1rem;
  max-width: 680px;
}

/* --- Footer --- */

#contact {
  border-top: 1px solid var(--border);
  background: var(--bg-secondary);
}

#contact .section-inner {
  padding: 4rem 2rem;
}

.contact-grid {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 2rem;
}

#contact h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
}

#contact p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 0.4rem;
}

.abn {
  font-family: var(--font-mono);
  font-size: 0.8rem !important;
  color: var(--text-secondary);
}

.copyright {
  font-size: 0.8rem !important;
  color: var(--text-secondary);
  opacity: 0.6;
}

/* --- Reduced Motion --- */

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .card { opacity: 1; transform: none; transition: none; }
  .scroll-indicator span { animation: none; opacity: 0.3; }
}

/* --- Responsive --- */

@media (max-width: 768px) {
  .capability-cards {
    grid-template-columns: 1fr;
  }

  .contact-grid {
    flex-direction: column;
  }

  .hero-overlay h1 {
    letter-spacing: 0.15em;
  }
}

@media (min-width: 769px) and (max-width: 1024px) {
  .capability-cards {
    grid-template-columns: repeat(2, 1fr);
  }
}