:root {
  --bg: #0a0a0a;
  --bg-alt: #121212;
  --surface: #181818;
  --surface-2: #202020;
  --border: #2e2e2e;
  --text: #f2f2f0;
  --text-muted: #a3a19c;
  --accent: #f59e0b;
  --accent-2: #fb923c;
  --accent-contrast: #1a1206;
  --radius: 0.75rem;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html, body {
  height: 100%;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

main {
  flex: 1 0 auto;
  padding-top: 8rem;
}

@media (max-width: 767px) {
  main {
    padding-top: 4.25rem;
  }
}

a {
  color: var(--accent-2);
  text-decoration: none;
}

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

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  letter-spacing: -0.02em;
}

.text-muted {
  color: var(--text-muted) !important;
}

.footer-logo {
  height: 1.75rem;
  width: auto;
  display: block;
}

/* Header / nav — fixed, transparent overlay so page content scrolls behind it */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 0;
  background: transparent;
  pointer-events: none;
}

.site-header .container {
  max-width: none;
  padding: 0;
}

.site-header .container,
.site-header a,
.site-header button {
  pointer-events: auto;
}

.floating-header {
  background: rgba(24, 24, 24, 0.72);
  backdrop-filter: blur(12px);
  border: none;
  border-bottom: 1px solid var(--border);
  border-radius: 0;
  overflow: hidden;
}

.floating-header-top {
  justify-content: flex-end;
  gap: 1.75rem;
  padding: 0.65rem 2.5rem;
  font-size: 0.85rem;
}

.floating-header-top a {
  color: var(--text-muted);
  font-weight: 600;
}

.floating-header-top a:hover {
  color: var(--accent);
}

.floating-header-divider {
  height: 1px;
  background: var(--border);
  margin: 0 2.5rem;
}

.floating-header-nav {
  padding: 0.9rem 2.5rem 0.9rem 0;
  align-items: center;
  min-height: 5.5rem;
}

@media (max-width: 767px) {
  .floating-header {
    border-radius: 0;
    border: none;
    border-bottom: 1px solid var(--border);
    background: var(--bg);
    backdrop-filter: none;
  }

  .floating-header-nav {
    padding: 0.6rem 1rem;
    min-height: 3.75rem;
  }
}

.navbar-brand {
  display: flex;
  align-items: center;
  margin: 0;
  padding: 0;
}

.brand-logo {
  height: 3.75rem;
  width: auto;
  max-width: none;
  display: block;
  object-fit: contain;
  object-position: left center;
}

@media (max-width: 767px) {
  .brand-logo {
    height: 2.5rem;
  }
}

.navbar .nav-link {
  color: var(--text-muted) !important;
  font-weight: 600;
  font-size: 0.85rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.5rem 1rem !important;
}

.navbar .nav-link:hover {
  color: var(--accent) !important;
}

.btn-nav-cta {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: var(--accent-contrast) !important;
  border-radius: 0.5rem;
  padding: 0.5rem 1.1rem !important;
  font-weight: 700;
}

/* Sections / layout helpers */
.section {
  padding: 5rem 0;
}

.section-tight {
  padding: 3rem 0;
}

.section-alt {
  background: var(--bg-alt);
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--accent);
}

.lead {
  color: var(--text-muted);
  font-size: 1.15rem;
}

/* Hero */
.hero {
  position: relative;
  padding: 6rem 0 5rem;
  overflow: hidden;
  background:
    radial-gradient(60% 60% at 80% 0%, rgba(245, 158, 11, 0.15), transparent 60%),
    radial-gradient(50% 50% at 10% 20%, rgba(251, 146, 60, 0.12), transparent 60%);
}

.hero h1 {
  font-size: clamp(2.25rem, 4vw, 3.25rem);
  line-height: 1.1;
}

.hero-actions .btn {
  margin-right: 0.75rem;
}

.hero-lg {
  margin-top: -8rem;
  padding: calc(8rem + 3rem) 0 6rem;
  border-bottom: 1px solid var(--border);
}

@media (max-width: 767px) {
  .hero-lg {
    margin-top: -4.25rem;
    padding-top: calc(4.25rem + 2rem);
  }
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  background-image:
    linear-gradient(180deg, rgba(10, 10, 10, 0.55), var(--bg) 92%),
    linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    url('/images/coding-hero.png');
  background-size: auto, 48px 48px, 48px 48px, cover;
  background-position: 0 0, 0 0, 0 0, right center;
  background-repeat: no-repeat, repeat, repeat, no-repeat;
  mask-image: radial-gradient(70% 70% at 70% 20%, black 40%, transparent 100%);
}

@media (max-width: 767px) {
  .hero-bg {
    background-position: 0 0, 0 0, 0 0, center center;
    mask-image: none;
  }
}

.hero-lg .position-relative {
  z-index: 1;
}

/* Stats band */
.stats-band {
  background: var(--bg-alt);
  border-bottom: 1px solid var(--border);
  padding: 3rem 0;
}

.stat-number {
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 800;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  line-height: 1.1;
}

.stat-label {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-top: 0.35rem;
}

/* Value props */
.value-item {
  padding: 1.25rem 0;
  border-top: 1px solid var(--border);
}

.value-item h5 {
  margin-bottom: 0.4rem;
}

/* Certification badges */
.badge-band {
  background: var(--bg-alt);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.badge-row {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
}

.cert-badge {
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.5rem 1.25rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  background: var(--surface);
}

/* Cards */
.card-custom {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem;
  height: 100%;
  transition: transform 0.15s ease, border-color 0.15s ease;
}

.card-custom:hover {
  transform: translateY(-4px);
  border-color: var(--accent);
}

.card-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 0.6rem;
  background: var(--surface-2);
  color: var(--accent);
  font-size: 1.3rem;
  margin-bottom: 1rem;
}

/* Buttons */
.btn-primary-cta {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  border: none;
  color: var(--accent-contrast);
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.85rem 1.75rem;
  border-radius: 999px;
}

.btn-primary-cta:hover {
  filter: brightness(1.08);
  color: var(--accent-contrast);
}

.btn-outline-cta {
  border: 1px solid var(--border);
  color: var(--text);
  font-weight: 600;
  font-size: 0.85rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.85rem 1.75rem;
  border-radius: 999px;
  background: transparent;
}

.btn-outline-cta:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* Forms */
.form-control, .form-select {
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--text);
}

.form-control:focus, .form-select:focus {
  background: var(--surface-2);
  color: var(--text);
  border-color: var(--accent);
  box-shadow: 0 0 0 0.2rem rgba(245, 158, 11, 0.2);
}

.form-control::placeholder {
  color: var(--text-muted);
}

label {
  font-weight: 600;
  margin-bottom: 0.35rem;
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--border);
  background: var(--bg-alt);
  padding: 3rem 0 1.5rem;
  margin-top: 4rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 2rem;
}

.footer-grid h6 {
  color: var(--text-muted);
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  margin-bottom: 0.75rem;
}

.footer-grid ul li {
  margin-bottom: 0.4rem;
}

.footer-bottom {
  border-top: 1px solid var(--border);
  margin-top: 2rem;
  padding-top: 1.5rem;
  color: var(--text-muted);
  font-size: 0.9rem;
}

@media (max-width: 767px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }
}

/* Reveal-on-scroll */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s ease, transform 0.7s ease;
  transition-delay: var(--reveal-delay, 0ms);
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

.row > div:nth-child(1) > .reveal { --reveal-delay: 0ms; }
.row > div:nth-child(2) > .reveal { --reveal-delay: 90ms; }
.row > div:nth-child(3) > .reveal { --reveal-delay: 180ms; }
.row > div:nth-child(4) > .reveal { --reveal-delay: 270ms; }
.row > div:nth-child(5) > .reveal { --reveal-delay: 360ms; }
.row > div:nth-child(6) > .reveal { --reveal-delay: 450ms; }

@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* Portfolio thumbnail cards */
.portfolio-card {
  display: block;
  height: 100%;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  color: inherit;
  text-decoration: none;
  transition: transform 0.15s ease, border-color 0.15s ease;
}

.portfolio-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent);
  color: inherit;
  text-decoration: none;
}

.portfolio-thumb {
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--surface-2);
}

.portfolio-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  display: block;
  transition: transform 0.35s ease;
}

.portfolio-card:hover .portfolio-thumb img {
  transform: scale(1.05);
}

.portfolio-body {
  padding: 1.25rem 1.5rem 1.5rem;
}

.portfolio-body h5 {
  color: var(--text);
  margin-bottom: 0.5rem;
}

.portfolio-link-hint {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  margin-top: 0.9rem;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--accent);
}