/* ============================================================
   J. DANGUECAN — CYBERSECURITY PORTFOLIO
   Art direction: Deep space / terminal aesthetic
   Palette: Near-black surfaces, electric cyan accent
   Fonts: Cabinet Grotesk (display) + Satoshi (body)
   ============================================================ */

/* --- TOKENS --- */
:root,
[data-theme='light'] {
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.75vw, 1.5rem);
  --text-xl: clamp(1.5rem, 1.2rem + 1.25vw, 2.25rem);
  --text-2xl: clamp(2rem, 1.2rem + 2.5vw, 3.5rem);
  --text-3xl: clamp(2.5rem, 1rem + 4vw, 5rem);
  --text-hero: clamp(3rem, 0.5rem + 7vw, 8rem);

  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* Light mode — steel/slate */
  --color-bg: #f0f2f5;
  --color-surface: #f8f9fb;
  --color-surface-2: #ffffff;
  --color-surface-offset: #e4e7ed;
  --color-divider: #d1d5de;
  --color-border: #c4c9d6;
  --color-text: #111827;
  --color-text-muted: #4b5563;
  --color-text-faint: #9ca3af;
  --color-text-inverse: #f9fafb;

  --color-primary: #0891b2;
  --color-primary-hover: #0e7490;
  --color-primary-active: #155e75;
  --color-primary-highlight: #cffafe;
  --color-primary-glow: rgba(8, 145, 178, 0.15);

  --color-accent-green: #10b981;
  --color-accent-yellow: #f59e0b;

  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;
  --transition-interactive: 180ms cubic-bezier(0.16, 1, 0.3, 1);

  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.1);
  --shadow-lg: 0 12px 40px rgba(0,0,0,0.14);
  --shadow-glow: 0 0 24px rgba(8,145,178,0.2);

  --content-narrow: 640px;
  --content-default: 960px;
  --content-wide: 1200px;

  --font-display: 'Cabinet Grotesk', 'Helvetica Neue', sans-serif;
  --font-body: 'Satoshi', 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
}

[data-theme='dark'] {
  --color-bg: #080c12;
  --color-surface: #0d1117;
  --color-surface-2: #131920;
  --color-surface-offset: #111720;
  --color-divider: #1e2836;
  --color-border: #243040;
  --color-text: #e0e6ef;
  --color-text-muted: #7a8fa8;
  --color-text-faint: #3d5068;
  --color-text-inverse: #080c12;

  --color-primary: #22d3ee;
  --color-primary-hover: #67e8f9;
  --color-primary-active: #a5f3fc;
  --color-primary-highlight: rgba(34,211,238,0.08);
  --color-primary-glow: rgba(34,211,238,0.12);

  --color-accent-green: #34d399;
  --color-accent-yellow: #fbbf24;

  --shadow-sm: 0 1px 3px rgba(0,0,0,0.4);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.5);
  --shadow-lg: 0 12px 40px rgba(0,0,0,0.6);
  --shadow-glow: 0 0 32px rgba(34,211,238,0.15);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --color-bg: #080c12;
    --color-surface: #0d1117;
    --color-surface-2: #131920;
    --color-surface-offset: #111720;
    --color-divider: #1e2836;
    --color-border: #243040;
    --color-text: #e0e6ef;
    --color-text-muted: #7a8fa8;
    --color-text-faint: #3d5068;
    --color-text-inverse: #080c12;
    --color-primary: #22d3ee;
    --color-primary-hover: #67e8f9;
    --color-primary-active: #a5f3fc;
    --color-primary-highlight: rgba(34,211,238,0.08);
    --color-primary-glow: rgba(34,211,238,0.12);
    --color-accent-green: #34d399;
    --color-accent-yellow: #fbbf24;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.4);
    --shadow-md: 0 4px 16px rgba(0,0,0,0.5);
    --shadow-lg: 0 12px 40px rgba(0,0,0,0.6);
    --shadow-glow: 0 0 32px rgba(34,211,238,0.15);
  }
}

/* --- BASE --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}
body {
  min-height: 100dvh;
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.65;
  color: var(--color-text);
  background-color: var(--color-bg);
  transition: background-color 0.3s ease, color 0.3s ease;
}
img, picture, video, canvas, svg { display: block; max-width: 100%; height: auto; }
ul[role='list'], ol[role='list'] { list-style: none; }
input, button, textarea, select { font: inherit; color: inherit; }
h1, h2, h3, h4, h5, h6 { text-wrap: balance; line-height: 1.15; font-family: var(--font-display); }
p, li, figcaption { text-wrap: pretty; max-width: 72ch; }
::selection { background: var(--color-primary-highlight); color: var(--color-text); }
:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 3px; border-radius: var(--radius-sm); }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; scroll-behavior: auto !important; }
}
button { cursor: pointer; background: none; border: none; }
a { color: inherit; text-decoration: none; transition: color var(--transition-interactive); }

.container {
  width: 100%;
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: clamp(var(--space-5), 5vw, var(--space-16));
}
.break-md { display: none; }
@media (min-width: 768px) { .break-md { display: block; } }

/* --- REVEAL ANIMATIONS --- */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1), transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}
.reveal.visible { opacity: 1; transform: none; }

/* --- NAV --- */
.nav {
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 100;
  background: color-mix(in srgb, var(--color-bg) 85%, transparent);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-divider);
  transition: box-shadow 0.3s ease;
}
.nav--scrolled { box-shadow: var(--shadow-sm); }
.nav__inner {
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: clamp(var(--space-5), 4vw, var(--space-16));
  height: 64px;
  display: flex;
  align-items: center;
  gap: var(--space-8);
}
.nav__logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-sm);
  letter-spacing: 0.02em;
  color: var(--color-text);
  flex-shrink: 0;
}
.nav__logo:hover { color: var(--color-primary); }
.nav__links {
  display: none;
  align-items: center;
  gap: var(--space-6);
  margin-left: auto;
}
@media (min-width: 768px) { .nav__links { display: flex; } }
.nav__links a {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  position: relative;
  padding-block: var(--space-1);
}
.nav__links a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--color-primary);
  transition: width var(--transition-interactive);
}
.nav__links a:hover { color: var(--color-text); }
.nav__links a:hover::after { width: 100%; }
.nav__actions { display: flex; align-items: center; gap: var(--space-3); margin-left: auto; }
@media (min-width: 768px) { .nav__actions { margin-left: 0; } }
.theme-toggle {
  width: 36px; height: 36px;
  border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  color: var(--color-text-muted);
  transition: color var(--transition-interactive), background var(--transition-interactive);
}
.theme-toggle:hover { color: var(--color-primary); background: var(--color-primary-highlight); }
.nav__burger {
  display: flex;
  flex-direction: column;
  gap: 5px;
  width: 36px; height: 36px;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
}
@media (min-width: 768px) { .nav__burger { display: none; } }
.nav__burger span {
  display: block;
  width: 18px;
  height: 1.5px;
  background: currentColor;
  transition: transform 0.25s ease, opacity 0.25s ease;
}
.nav__burger.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav__burger.open span:nth-child(2) { opacity: 0; }
.nav__burger.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }
.nav__mobile {
  display: none;
  flex-direction: column;
  padding: var(--space-4) clamp(var(--space-5), 4vw, var(--space-16));
  padding-bottom: var(--space-6);
  border-top: 1px solid var(--color-divider);
  gap: var(--space-1);
}
.nav__mobile.open { display: flex; }
.nav__mobile a {
  padding: var(--space-3) 0;
  font-size: var(--text-base);
  font-weight: 500;
  color: var(--color-text-muted);
  border-bottom: 1px solid var(--color-divider);
}
.nav__mobile a:hover { color: var(--color-primary); }

/* --- BUTTONS --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-md);
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: 0.02em;
  cursor: pointer;
  transition: all var(--transition-interactive);
  border: none;
  white-space: nowrap;
}
.btn--primary {
  background: var(--color-primary);
  color: var(--color-text-inverse);
}
.btn--primary:hover {
  background: var(--color-primary-hover);
  box-shadow: var(--shadow-glow);
  transform: translateY(-1px);
}
.btn--ghost {
  background: transparent;
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
}
.btn--ghost:hover {
  color: var(--color-primary);
  border-color: var(--color-primary);
  background: var(--color-primary-highlight);
}
.btn--full { width: 100%; justify-content: center; }

/* --- SECTIONS --- */
.section {
  padding-block: clamp(var(--space-16), 8vw, var(--space-32));
}
.section__label {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: var(--space-4);
}
.section__title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 800;
  color: var(--color-text);
  line-height: 1.1;
  margin-bottom: var(--space-12);
  letter-spacing: -0.02em;
}

/* --- HERO --- */
.hero {
  min-height: 100dvh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding-block: var(--space-32);
  padding-top: calc(var(--space-32) + 64px);
}
.hero__bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}
#matrix-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0.045;
}
[data-theme='light'] #matrix-canvas { opacity: 0.025; }
.hero__content {
  position: relative;
  z-index: 2;
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: clamp(var(--space-5), 5vw, var(--space-16));
}
.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background: var(--color-primary-highlight);
  border: 1px solid color-mix(in srgb, var(--color-primary) 30%, transparent);
  color: var(--color-primary);
  font-size: var(--text-xs);
  font-weight: 600;
  font-family: var(--font-mono);
  letter-spacing: 0.05em;
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-6);
}
.badge-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--color-accent-green);
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.8); }
}
.hero__title {
  font-family: var(--font-display);
  font-size: var(--text-hero);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 0.95;
  margin-bottom: var(--space-6);
}
.hero__title-line { display: block; }
.hero__title-line.accent { color: var(--color-primary); }
.hero__sub {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  max-width: 54ch;
  line-height: 1.6;
  margin-bottom: var(--space-8);
}
.hero__tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-8);
}
.tag {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
  font-size: var(--text-xs);
  font-family: var(--font-mono);
  font-weight: 500;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-sm);
}
.hero__ctas {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}
.hero__scroll {
  position: absolute;
  bottom: var(--space-8);
  left: 50%;
  transform: translateX(-50%);
}
.scroll-line {
  width: 1px;
  height: 48px;
  background: linear-gradient(to bottom, var(--color-primary), transparent);
  animation: scrollFade 2s ease-in-out infinite;
}
@keyframes scrollFade {
  0%, 100% { opacity: 0.3; transform: scaleY(0.6); }
  50% { opacity: 1; transform: scaleY(1); }
}

/* --- ABOUT --- */
.about__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-12);
  align-items: start;
}
@media (min-width: 900px) {
  .about__grid { grid-template-columns: 1.4fr 1fr; gap: var(--space-16); }
}
.about__text .section__title { margin-bottom: var(--space-6); }
.about__text p {
  color: var(--color-text-muted);
  line-height: 1.75;
  margin-bottom: var(--space-4);
}
.about__text p:last-child { margin-bottom: 0; }
.about__stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}
.stat-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  transition: border-color var(--transition-interactive), box-shadow var(--transition-interactive);
}
.stat-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-glow);
}
.stat-card__num {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: var(--space-2);
  letter-spacing: -0.02em;
}
.stat-card__label {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  line-height: 1.4;
}

/* --- SKILLS --- */
.skills { background: var(--color-surface); }
.skills__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
}
@media (min-width: 600px) { .skills__grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 900px) { .skills__grid { grid-template-columns: repeat(3, 1fr); } }
.skill-block {
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  transition: border-color var(--transition-interactive), transform var(--transition-interactive), box-shadow var(--transition-interactive);
}
.skill-block:hover {
  border-color: var(--color-primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
}
.skill-block__icon {
  width: 44px; height: 44px;
  background: var(--color-primary-highlight);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  margin-bottom: var(--space-4);
  flex-shrink: 0;
}
.skill-block h3 {
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-3);
  font-family: var(--font-display);
}
.skill-block ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.skill-block li {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  padding-left: var(--space-4);
  position: relative;
  line-height: 1.5;
}
.skill-block li::before {
  content: '›';
  position: absolute;
  left: 0;
  color: var(--color-primary);
  font-weight: 700;
}

/* --- EXPERIENCE --- */
.timeline {
  position: relative;
  padding-left: clamp(var(--space-8), 5vw, var(--space-16));
}
.timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 1px;
  background: linear-gradient(to bottom, var(--color-primary), var(--color-border), transparent);
}
.timeline__item {
  position: relative;
  margin-bottom: var(--space-12);
}
.timeline__item:last-child { margin-bottom: 0; }
.timeline__dot {
  position: absolute;
  left: calc(-1 * clamp(var(--space-8), 5vw, var(--space-16)) - 4px);
  top: 6px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--color-primary);
  box-shadow: 0 0 12px var(--color-primary);
}
.timeline__content {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6) var(--space-8);
  transition: border-color var(--transition-interactive), box-shadow var(--transition-interactive);
}
.timeline__content:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-glow);
}
.timeline__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-3);
}
.timeline__company {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-primary);
}
.timeline__period {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  background: var(--color-surface-offset);
  padding: 2px var(--space-3);
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
}
.timeline__role {
  font-size: var(--text-lg);
  font-weight: 800;
  font-family: var(--font-display);
  color: var(--color-text);
  margin-bottom: var(--space-3);
}
.timeline__content > p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
  line-height: 1.65;
}
.timeline__bullets {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-bottom: var(--space-5);
}
.timeline__bullets li {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  padding-left: var(--space-5);
  position: relative;
  line-height: 1.6;
}
.timeline__bullets li::before {
  content: '▸';
  position: absolute;
  left: 0;
  color: var(--color-primary);
  font-size: 0.7em;
  top: 0.2em;
}
.timeline__tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}
.timeline__tags span {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-primary);
  background: var(--color-primary-highlight);
  border: 1px solid color-mix(in srgb, var(--color-primary) 25%, transparent);
  padding: 2px var(--space-3);
  border-radius: var(--radius-sm);
}

/* --- PROJECTS --- */
.projects { background: var(--color-surface); }
.projects__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-5);
}
@media (min-width: 600px) { .projects__grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1000px) { .projects__grid { grid-template-columns: repeat(3, 1fr); } }
.project-card {
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  transition: border-color var(--transition-interactive), transform var(--transition-interactive), box-shadow var(--transition-interactive);
}
.project-card:hover {
  border-color: var(--color-primary);
  transform: translateY(-3px);
  box-shadow: var(--shadow-glow);
}
.project-card__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.project-card__icon {
  width: 44px; height: 44px;
  background: var(--color-primary-highlight);
  border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  color: var(--color-primary);
}
.project-card__status {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 600;
  padding: 3px var(--space-3);
  border-radius: var(--radius-full);
}
.status--done {
  color: var(--color-accent-green);
  background: color-mix(in srgb, var(--color-accent-green) 12%, transparent);
  border: 1px solid color-mix(in srgb, var(--color-accent-green) 25%, transparent);
}
.status--progress {
  color: var(--color-accent-yellow);
  background: color-mix(in srgb, var(--color-accent-yellow) 12%, transparent);
  border: 1px solid color-mix(in srgb, var(--color-accent-yellow) 25%, transparent);
}
.project-card h3 {
  font-size: var(--text-base);
  font-weight: 700;
  font-family: var(--font-display);
  color: var(--color-text);
  line-height: 1.3;
}
.project-card p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.65;
  flex: 1;
}
.project-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: auto;
}
.project-card__tags span {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--color-text-muted);
  background: var(--color-surface-offset);
  border: 1px solid var(--color-border);
  padding: 2px var(--space-2);
  border-radius: var(--radius-sm);
}

/* --- CERTIFICATIONS --- */
.certs__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
}
@media (min-width: 500px) { .certs__grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 900px) { .certs__grid { grid-template-columns: repeat(4, 1fr); } }
.cert-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  transition: border-color var(--transition-interactive), box-shadow var(--transition-interactive);
}
.cert-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-glow);
}
.cert-card--pursuit {
  opacity: 0.75;
  border-style: dashed;
}
.cert-card--pursuit:hover { opacity: 1; }
.cert-card__body h3 {
  font-size: var(--text-sm);
  font-weight: 700;
  font-family: var(--font-display);
  color: var(--color-text);
  margin-bottom: var(--space-1);
}
.cert-card__body p {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-bottom: var(--space-3);
  line-height: 1.4;
}
.cert-card__badge {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 600;
  padding: 2px var(--space-3);
  border-radius: var(--radius-full);
  display: inline-block;
}
.cert-badge--active {
  color: var(--color-accent-green);
  background: color-mix(in srgb, var(--color-accent-green) 12%, transparent);
  border: 1px solid color-mix(in srgb, var(--color-accent-green) 25%, transparent);
}
.cert-badge--pursuing {
  color: var(--color-accent-yellow);
  background: color-mix(in srgb, var(--color-accent-yellow) 12%, transparent);
  border: 1px solid color-mix(in srgb, var(--color-accent-yellow) 25%, transparent);
}

/* --- CONTACT --- */
.contact__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-12);
}
@media (min-width: 768px) {
  .contact__grid { grid-template-columns: 1fr 1fr; gap: var(--space-16); align-items: start; }
}
.contact__text .section__title { margin-bottom: var(--space-4); font-size: var(--text-xl); }
.contact__text > p {
  color: var(--color-text-muted);
  line-height: 1.75;
  margin-bottom: var(--space-8);
}
.contact__links {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}
.contact__link {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  font-weight: 500;
  transition: color var(--transition-interactive);
}
.contact__link:not(.contact__link--location):hover { color: var(--color-primary); }
.contact__link svg { flex-shrink: 0; color: var(--color-primary); }
.contact__form-wrap {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
}
.contact__form {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}
.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.form-group label {
  font-size: var(--text-xs);
  font-weight: 600;
  font-family: var(--font-mono);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.form-group input,
.form-group textarea {
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-sm);
  color: var(--color-text);
  resize: none;
  transition: border-color var(--transition-interactive), box-shadow var(--transition-interactive);
  width: 100%;
}
.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-highlight);
}
.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--color-text-faint);
}
.form__security-note {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  font-family: var(--font-mono);
  line-height: 1.5;
}
.form__security-note svg { flex-shrink: 0; color: var(--color-accent-green); }

/* --- TRAINING --- */
.training-grid {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.training-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.5;
}
.training-item svg {
  flex-shrink: 0;
  color: var(--color-accent-green);
  margin-top: 2px;
}

/* --- FOOTER --- */
.footer {
  border-top: 1px solid var(--color-divider);
  padding-block: var(--space-8);
}
.footer__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-4);
  justify-content: space-between;
}
.footer__logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}
.footer__copy {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  font-family: var(--font-mono);
  max-width: none;
}