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

:root {
  --bg:        #1d2021;
  --bg-alt:    #282828;
  --card:      #3c3836;
  --card-hover:#45403f;
  --heading:   #ebdbb2;
  --text:      #d5c4a1;
  --muted:     #bdae93;
  --dim:       #928374;
  --border:    #504945;
  --accent:    #d8a657;
  --accent-h:  #e0b974;
  --yellow:    #fabd2f;
  --orange:    #fe8019;
  --radius:    10px;

  --teal:      #8ec07c;
  --purple:    #d3869b;
  --blue:      #83a598;
  --red:       #fb4934;

  --glow-accent: rgba(216, 166, 87, 0.25);
  --glow-teal:   rgba(142, 192, 124, 0.25);
  --glow-purple: rgba(211, 134, 155, 0.25);
  --glow-blue:   rgba(131, 165, 152, 0.25);

  --display: 'Space Grotesk', -apple-system, BlinkMacSystemFont, 'Segoe UI',
             Roboto, sans-serif;
  --sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen,
          Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
  --mono: 'SFMono-Regular', 'JetBrains Mono', Menlo, Consolas,
          'Courier New', monospace;

  --main-width: 760px;
}

html {
  scroll-behavior: smooth;
  font-family: var(--sans);
  background: var(--bg);
  color: var(--text);
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body { min-height: 100vh; line-height: 1.6; overflow-x: hidden; }

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

::selection { background: var(--accent); color: var(--bg); }

/* ── Scroll reveal ────────────────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.6s cubic-bezier(0.22, 1, 0.36, 1),
              transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal-delay-1 { transition-delay: 0.08s; }
.reveal-delay-2 { transition-delay: 0.16s; }
.reveal-delay-3 { transition-delay: 0.24s; }
.reveal-delay-4 { transition-delay: 0.32s; }

/* ── Subtle alternating section backgrounds ─────────────────── */
.section:nth-of-type(even)::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, var(--border) 0.8px, transparent 0.8px);
  background-size: 24px 24px;
  opacity: 0.18;
  pointer-events: none;
  z-index: 0;
}
.section { position: relative; }
.section > * { position: relative; z-index: 1; }

/* ── Section wrapper ──────────────────────────────────────────── */
.section {
  padding: 44px 24px;
  max-width: var(--main-width);
  margin: 0 auto;
  width: 100%;
}

.section-head {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin-bottom: 22px;
}

.section-hash {
  color: var(--section-color, var(--accent));
  font-family: var(--mono);
  font-size: 15px;
  font-weight: 600;
}

.section-title {
  color: var(--heading);
  font-family: var(--display);
  font-size: 24px;
  font-weight: 700;
  letter-spacing: -0.5px;
}

/* ── Per-section color identity ───────────────────────────────── */
#about    { --section-color: var(--accent); }
#certs    { --section-color: var(--teal);   }
#projects { --section-color: var(--orange); }
#blog     { --section-color: var(--teal);   }
#medium   { --section-color: var(--blue);   }
#recognition { --section-color: var(--purple); }
#press    { --section-color: var(--blue);   }
#services { --section-color: var(--purple); }
#training { --section-color: var(--orange); }
#contact  { --section-color: var(--accent); }

/* ── Card ─────────────────────────────────────────────────────── */
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 20px;
  transition: transform 0.25s cubic-bezier(0.22, 1, 0.36, 1),
              border-color 0.25s ease,
              background 0.25s ease,
              box-shadow 0.25s ease;
}

a.card:hover,
.card.hoverable:hover {
  border-color: var(--section-color, var(--accent));
  background: var(--card-hover);
  transform: translateY(-3px);
  box-shadow: 0 8px 32px rgba(0,0,0,0.3),
              0 0 0 1px var(--section-color, var(--accent)),
              0 0 20px var(--glow-accent);
}

#projects a.card:hover { box-shadow: 0 8px 32px rgba(0,0,0,0.3), 0 0 0 1px var(--orange), 0 0 20px rgba(254,128,25,0.2); }
#blog a.card:hover { box-shadow: 0 8px 32px rgba(0,0,0,0.3), 0 0 0 1px var(--teal), 0 0 20px var(--glow-teal); }
#medium a.card:hover { box-shadow: 0 8px 32px rgba(0,0,0,0.3), 0 0 0 1px var(--blue), 0 0 20px var(--glow-blue); }
#recognition a.card:hover { box-shadow: 0 8px 32px rgba(0,0,0,0.3), 0 0 0 1px var(--purple), 0 0 20px var(--glow-purple); }
#press a.card:hover { box-shadow: 0 8px 32px rgba(0,0,0,0.3), 0 0 0 1px var(--blue), 0 0 20px var(--glow-blue); }

/* ── Grids ────────────────────────────────────────────────────── */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }

/* ── Tags ─────────────────────────────────────────────────────── */
.tags { display: flex; flex-wrap: wrap; gap: 8px; }
.tag {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  color: var(--muted);
  padding: 5px 12px;
  font-size: 12px;
  border-radius: 999px;
  font-family: var(--mono);
}

/* ── Buttons ──────────────────────────────────────────────────── */
.btn-primary, .btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 20px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.3px;
  border-radius: var(--radius);
  font-family: var(--sans);
  cursor: pointer;
  transition: all 0.18s ease;
}
.btn-primary {
  background: linear-gradient(135deg, var(--accent) 0%, var(--orange) 100%);
  color: var(--bg);
  border: 1px solid var(--accent);
  box-shadow: 0 2px 12px rgba(216, 166, 87, 0.25);
}
.btn-primary:hover {
  background: linear-gradient(135deg, var(--accent-h) 0%, #ff9030 100%);
  border-color: var(--accent-h);
  color: var(--bg);
  box-shadow: 0 4px 20px rgba(216, 166, 87, 0.4);
  transform: translateY(-1px);
}
.btn-outline {
  border: 1px solid var(--border);
  color: var(--heading);
  background: transparent;
}
.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent);
  box-shadow: 0 0 12px var(--glow-accent);
}

/* ── Navigation ───────────────────────────────────────────────── */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(29, 32, 33, 0.82);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: 1024px;
  margin: 0 auto;
  padding: 14px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}

.nav-logo {
  color: var(--heading);
  font-weight: 700;
  letter-spacing: 0.5px;
  font-size: 16px;
  font-family: var(--mono);
}
.nav-logo .dot { color: var(--accent); }

.nav-links {
  display: flex;
  gap: 20px;
  list-style: none;
  flex-wrap: wrap;
}
.nav-links a {
  color: var(--muted);
  font-size: 14px;
  transition: color 0.18s;
}
.nav-links a:hover,
.nav-links a.active { color: var(--accent); }

/* ── Hero ─────────────────────────────────────────────────────── */
.hero-wrap {
  position: relative;
  overflow: hidden;
}
.hero-wrap::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 20% 40%, rgba(216,166,87,0.12) 0%, transparent 70%),
    radial-gradient(ellipse 60% 50% at 80% 30%, rgba(254,128,25,0.09) 0%, transparent 70%);
  pointer-events: none;
}
.hero-wrap canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  opacity: 0.5;
}
.hero {
  position: relative;
  max-width: var(--main-width);
  margin: 0 auto;
  padding: 56px 24px 20px;
}
.hero-inner {
  display: grid;
  grid-template-columns: 1fr 150px;
  gap: 36px;
  align-items: center;
}
.hero-prompt {
  color: var(--dim);
  font-family: var(--mono);
  font-size: 13px;
  margin-bottom: 14px;
  min-height: 18px;
}
.hero-name {
  color: var(--heading);
  font-family: var(--display);
  font-size: 46px;
  font-weight: 800;
  letter-spacing: -1.5px;
  line-height: 1.05;
}
.hero-name .certs {
  font-size: 20px;
  font-weight: 600;
  color: var(--muted);
  letter-spacing: 0;
}
.hero-subtitle {
  background: linear-gradient(90deg, var(--accent), var(--orange), var(--accent));
  background-size: 200% auto;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: shimmer 4s ease-in-out infinite;
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 1px;
  margin: 12px 0 16px;
}
@keyframes shimmer {
  0%, 100% { background-position: 0% center; }
  50% { background-position: 200% center; }
}
.hero-tagline {
  color: var(--text);
  font-size: 15.5px;
  line-height: 1.7;
  max-width: 460px;
}
.hero-cta {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 26px;
}
.hero-photo {
  width: 150px;
  height: 150px;
  border-radius: 16px;
  border: 2px solid transparent;
  background-image: linear-gradient(var(--card), var(--card)),
                    linear-gradient(135deg, var(--accent), var(--orange));
  background-origin: border-box;
  background-clip: padding-box, border-box;
  overflow: hidden;
  flex-shrink: 0;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.35),
              0 0 20px var(--glow-accent);
}
.hero-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  display: block;
}

/* ── Page header (subpages) ──────────────────────────────────── */
.page-header {
  position: relative;
  max-width: var(--main-width);
  margin: 0 auto;
  padding: 48px 24px 20px;
}
.page-header h1 {
  color: var(--heading);
  font-family: var(--display);
  font-size: 32px;
  font-weight: 800;
  letter-spacing: -1px;
}
.page-header p {
  color: var(--muted);
  font-size: 14px;
  margin-top: 8px;
}

/* ── HTB Badge ────────────────────────────────────────────────── */
.htb-badge {
  display: inline-block;
  margin-top: 22px;
  transition: opacity 0.18s ease;
}
.htb-badge:hover { opacity: 0.85; }
.htb-badge img { max-width: 100%; height: auto; }

/* ── Stats ────────────────────────────────────────────────────── */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  max-width: var(--main-width);
  margin: 34px auto 0;
  padding: 0 24px;
}
.stat-label {
  color: var(--dim);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 1px;
  text-transform: uppercase;
}
.stat-value {
  color: var(--heading);
  font-size: 26px;
  font-weight: 700;
  margin: 6px 0 3px;
  line-height: 1;
}
.stat-value.status { font-size: 16px; color: var(--accent); margin-top: 8px; }
.stat-desc { color: var(--muted); font-size: 12px; }
.dot-pulse { color: var(--accent); }

/* ── About ────────────────────────────────────────────────────── */
.about-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 28px;
}
.about-bio { color: var(--text); font-size: 15px; line-height: 1.8; }
.skills-label {
  color: var(--dim);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 12px;
}

/* ── Certifications ──────────────────────────────────────────── */
.cert-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
.cert-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 14px;
  padding: 24px 16px;
}
.cert-badge {
  width: 72px;
  height: 72px;
  flex-shrink: 0;
  border-radius: 50%;
  overflow: hidden;
  background: var(--bg-alt);
  display: flex;
  align-items: center;
  justify-content: center;
}
.cert-badge img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  filter: brightness(0.92) saturate(0.85);
  transition: filter 0.3s ease;
}
.card.cert-card:hover .cert-badge img {
  filter: brightness(1) saturate(1);
}
.cert-info { display: flex; flex-direction: column; gap: 4px; }
.cert-name {
  color: var(--heading);
  font-size: 15px;
  font-weight: 700;
}
.cert-issuer {
  color: var(--section-color, var(--teal));
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.5px;
}
.cert-desc {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.5;
  margin-top: 2px;
}
#certs .card:hover {
  box-shadow: 0 8px 32px rgba(0,0,0,0.3),
              0 0 0 1px var(--teal),
              0 0 20px var(--glow-teal);
}

/* ── Services ─────────────────────────────────────────────────── */
.services-intro {
  color: var(--muted);
  font-size: 14px;
  margin-bottom: 20px;
}
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
.service-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 22px 20px;
}
.service-icon {
  color: var(--purple);
  line-height: 1;
}
.service-name {
  color: var(--heading);
  font-size: 15px;
  font-weight: 700;
}
.service-desc {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.55;
}
#services .card:hover {
  box-shadow: 0 8px 32px rgba(0,0,0,0.3),
              0 0 0 1px var(--purple),
              0 0 20px var(--glow-purple);
}
.services-cta {
  text-align: center;
  margin-top: 24px;
}

/* ── Projects ─────────────────────────────────────────────────── */
.project-card { display: flex; flex-direction: column; gap: 8px; }
.project-name { color: var(--heading); font-size: 16px; font-weight: 700; }
.project-type {
  color: var(--dim);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.5px;
}
.project-desc { color: var(--text); font-size: 14px; line-height: 1.6; flex: 1; }
.project-link { color: var(--section-color, var(--accent)); font-size: 13px; margin-top: 4px; font-family: var(--mono); }

/* ── Recognition ──────────────────────────────────────────────── */
.row-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}
.row-left { display: flex; align-items: center; gap: 14px; }
.row-icon {
  color: var(--section-color, var(--accent));
  font-size: 18px;
  flex-shrink: 0;
  line-height: 1;
}
.row-name { color: var(--heading); font-size: 15px; font-weight: 600; }
.row-desc { color: var(--muted); font-size: 12.5px; margin-top: 3px; }
.row-action {
  color: var(--section-color, var(--accent));
  font-size: 12px;
  font-family: var(--mono);
  white-space: nowrap;
  flex-shrink: 0;
}
a.card:hover .row-action { color: var(--heading); }

/* ── Press / Blog stacked list ────────────────────────────────── */
.stack { display: flex; flex-direction: column; gap: 12px; }
.press-title { color: var(--text); font-size: 14.5px; }

/* ── Blog ─────────────────────────────────────────────────────── */
.blog-panel {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}
.blog-title { color: var(--heading); font-size: 15px; font-weight: 600; }
.blog-desc { color: var(--muted); font-size: 13px; margin-top: 4px; }
.blog-more { text-align: center; margin-top: 22px; }

/* ── Contact ──────────────────────────────────────────────────── */
.contact-label {
  color: var(--dim);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 1px;
  text-transform: uppercase;
}
.contact-value { color: var(--accent); font-size: 15px; margin-top: 8px; display: block; }
.contact-social { display: flex; flex-wrap: wrap; gap: 16px; margin-top: 10px; }
.contact-social a { color: var(--heading); font-size: 14px; }
.contact-social a:hover { color: var(--accent); }

/* ── Footer ───────────────────────────────────────────────────── */
.footer {
  border-top: 1px solid var(--border);
  padding: 26px 24px;
  text-align: center;
  color: var(--dim);
  font-size: 13px;
  font-family: var(--mono);
  max-width: var(--main-width);
  margin: 20px auto 0;
}

/* ── Responsive ───────────────────────────────────────────────── */
@media (max-width: 640px) {
  .nav-inner { padding: 12px 16px; flex-wrap: wrap; }
  .nav-links { gap: 14px; }
  .nav-links a { font-size: 13px; }
  .section { padding: 34px 16px; }
  .hero { padding: 40px 16px 12px; }
  .stat-grid { padding: 0 16px; }
  .grid-2 { grid-template-columns: 1fr; }
  .hero-inner { grid-template-columns: 1fr; text-align: left; }
  .hero-photo { display: none; }
  .hero-name { font-size: 36px; }
  .stat-grid { grid-template-columns: 1fr; }
  .about-grid { grid-template-columns: 1fr; }
  .services-grid { grid-template-columns: 1fr; }
  .cert-grid { grid-template-columns: 1fr; }
  .cert-card { flex-direction: row; text-align: left; }
  .page-header { padding: 32px 16px 0; }
  .page-header h1 { font-size: 26px; }
}