/* ═══════════════════════════════════════════════════════════════════
   DESIGN TOKENS
   Palette: Deep slate base · Ivory text · Electric indigo accent
            Warm gold secondary · Layered card surfaces
   ═══════════════════════════════════════════════════════════════════ */

:root {
  /* Colour */
  --col-bg:          #0A0F1E;
  --col-surface:     #111827;
  --col-surface-2:   #1a2235;
  --col-border:      rgba(255, 255, 255, 0.08);
  --col-border-hover:rgba(255, 255, 255, 0.18);
  --col-text:        #F7F3ED;
  --col-text-muted:  #8892A4;
  --col-text-faint:  #4B5563;
  --col-accent:      #6366F1;
  --col-accent-light:#818CF8;
  --col-accent-glow: rgba(99, 102, 241, 0.15);
  --col-gold:        #D4A843;
  --col-gold-light:  #F0C96A;
  --col-green:       #10B981;
  --col-green-glow:  rgba(16, 185, 129, 0.2);

  /* Book cover palette */
  --col-book-default:#1E2640;
  --col-book-indigo: #3730A3;
  --col-book-gold:   #78400A;
  --col-book-teal:   #0F5E5A;
  --col-book-rose:   #6B1F3A;
  --col-book-slate:  #1E293B;
  --col-book-amber:  #7C3305;

  /* Typography */
  --font-display: 'Playfair Display', Georgia, serif;
  --font-body:    'Inter', system-ui, -apple-system, sans-serif;
  --font-mono:    'JetBrains Mono', 'Fira Code', monospace;

  /* Spacing scale */
  --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;

  /* Border radius */
  --radius-sm:  6px;
  --radius-md:  12px;
  --radius-lg:  20px;
  --radius-xl:  28px;
  --radius-full:9999px;

  /* Transitions */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.4, 0, 0.2, 1);
  --dur-fast: 150ms;
  --dur-base: 280ms;
  --dur-slow: 480ms;

  /* Layout */
  --content-max: 1200px;
  --content-pad: clamp(1rem, 5vw, 3rem);
  --nav-height: 68px;
}

/* ═══════════════════════════════════════════════════════════════════
   RESET & BASE
   ═══════════════════════════════════════════════════════════════════ */

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

body {
  background-color: var(--col-bg);
  color: var(--col-text);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img, video { max-width: 100%; display: block; }

a {
  color: inherit;
  text-decoration: none;
}

ul, ol { list-style: none; }

/* Skip link */
.skip-link {
  position: fixed;
  top: -100%;
  left: var(--space-4);
  z-index: 9999;
  background: var(--col-accent);
  color: #fff;
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-md);
  font-weight: 600;
  transition: top var(--dur-fast);
}
.skip-link:focus { top: var(--space-4); }

/* ═══════════════════════════════════════════════════════════════════
   NAVIGATION
   ═══════════════════════════════════════════════════════════════════ */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--nav-height);
  background: rgba(10, 15, 30, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--col-border);
  transition: background var(--dur-base);
}

.nav-inner {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 0 var(--content-pad);
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-8);
}

/* Logo */
.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-shrink: 0;
  text-decoration: none;
}

.nav-logo-mark {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--col-accent), var(--col-gold));
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  color: #fff;
  flex-shrink: 0;
}

.nav-logo-text {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1rem;
  color: var(--col-text);
  display: none;
}
.nav-logo-text em {
  font-style: italic;
  color: var(--col-accent-light);
}

@media (min-width: 640px) {
  .nav-logo-text { display: block; }
}

/* Links */
.nav-links {
  display: none;
  align-items: center;
  gap: var(--space-6);
}

@media (min-width: 768px) {
  .nav-links {
    display: flex;
  }
}

.nav-link {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--col-text-muted);
  transition: color var(--dur-fast);
  position: relative;
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--col-accent);
  transition: width var(--dur-base) var(--ease-out);
}
.nav-link:hover {
  color: var(--col-text);
}
.nav-link:hover::after {
  width: 100%;
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  padding: var(--space-2) var(--space-5);
  background: var(--col-accent);
  color: #fff;
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  transition: background var(--dur-fast), transform var(--dur-fast), box-shadow var(--dur-fast);
}
.nav-cta:hover {
  background: var(--col-accent-light);
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(99, 102, 241, 0.4);
}

/* Mobile toggle */
.nav-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  background: none;
  border: 1px solid var(--col-border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  padding: 8px;
  transition: border-color var(--dur-fast);
}
.nav-toggle:hover { border-color: var(--col-border-hover); }

.nav-toggle-bar {
  display: block;
  height: 1.5px;
  background: var(--col-text-muted);
  border-radius: 1px;
  transition: transform var(--dur-base), opacity var(--dur-fast), background var(--dur-fast);
}
.nav-toggle.is-active .nav-toggle-bar:nth-child(1) {
  transform: translateY(6.5px) rotate(45deg);
}
.nav-toggle.is-active .nav-toggle-bar:nth-child(2) {
  opacity: 0;
}
.nav-toggle.is-active .nav-toggle-bar:nth-child(3) {
  transform: translateY(-6.5px) rotate(-45deg);
}

@media (min-width: 768px) {
  .nav-toggle { display: none; }
}

/* Mobile menu */
@media (max-width: 767px) {
  .nav-links {
    position: fixed;
    inset: var(--nav-height) 0 0 0;
    background: rgba(10, 15, 30, 0.97);
    backdrop-filter: blur(20px);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-8);
    display: flex;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--dur-base);
  }
  .nav-links.is-open {
    opacity: 1;
    pointer-events: auto;
  }
  .nav-link {
    font-size: 1.5rem;
    font-family: var(--font-display);
    color: var(--col-text);
  }
  .nav-cta {
    font-size: 1rem;
    padding: var(--space-3) var(--space-8);
  }
}

/* ═══════════════════════════════════════════════════════════════════
   SHARED SECTION UTILITIES
   ═══════════════════════════════════════════════════════════════════ */

.section {
  padding: var(--space-24) 0;
}

.section-inner {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 0 var(--content-pad);
}

.section-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--col-accent);
  margin-bottom: var(--space-4);
  display: flex;
  align-items: center;
  gap: var(--space-3);
}
.section-label::before {
  content: '';
  display: block;
  width: 32px;
  height: 1px;
  background: var(--col-accent);
}

.section-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.2rem, 5vw, 3.8rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--col-text);
  margin-bottom: var(--space-12);
}
.section-title em {
  font-style: italic;
  color: var(--col-accent-light);
}

.section-intro {
  max-width: 600px;
  color: var(--col-text-muted);
  font-size: 1.05rem;
  line-height: 1.7;
  margin-bottom: var(--space-12);
  margin-top: calc(-1 * var(--space-6));
}

/* Utility: status dot */
.status-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: var(--radius-full);
  background: var(--col-green);
  box-shadow: 0 0 0 3px var(--col-green-glow);
  animation: pulse-dot 2.5s ease-in-out infinite;
  flex-shrink: 0;
}

@keyframes pulse-dot {
  0%, 100% { box-shadow: 0 0 0 3px var(--col-green-glow); }
  50%       { box-shadow: 0 0 0 7px transparent; }
}

/* Shared tag/badge */
.skill-tag {
  display: inline-flex;
  align-items: center;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--col-border);
  color: var(--col-text-muted);
  transition: background var(--dur-fast), color var(--dur-fast), border-color var(--dur-fast);
  white-space: nowrap;
}
.skill-tag--accent {
  background: var(--col-accent-glow);
  border-color: rgba(99, 102, 241, 0.3);
  color: var(--col-accent-light);
}

/* Shared buttons */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-4) var(--space-8);
  background: var(--col-accent);
  color: #fff;
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: var(--radius-full);
  transition: background var(--dur-fast), transform var(--dur-fast), box-shadow var(--dur-fast);
  text-decoration: none;
}
.btn-primary:hover {
  background: var(--col-accent-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(99, 102, 241, 0.4);
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-4) var(--space-8);
  background: transparent;
  color: var(--col-text);
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: var(--radius-full);
  border: 1px solid var(--col-border-hover);
  transition: background var(--dur-fast), border-color var(--dur-fast), transform var(--dur-fast);
  text-decoration: none;
}
.btn-outline:hover {
  background: rgba(255,255,255,0.06);
  border-color: var(--col-text-muted);
  transform: translateY(-2px);
}

/* ═══════════════════════════════════════════════════════════════════
   HERO
   ═══════════════════════════════════════════════════════════════════ */

.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-top: var(--nav-height);
  overflow: hidden;
}

/* Ambient canvas */
.hero-canvas {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.hero-orb {
  position: absolute;
  border-radius: var(--radius-full);
  filter: blur(80px);
  opacity: 0.25;
}
.hero-orb--1 {
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--col-accent) 0%, transparent 70%);
  top: -200px;
  right: -100px;
  animation: orb-drift 12s ease-in-out infinite alternate;
}
.hero-orb--2 {
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, var(--col-gold) 0%, transparent 70%);
  bottom: -150px;
  left: 5%;
  animation: orb-drift 16s ease-in-out infinite alternate-reverse;
}

@keyframes orb-drift {
  from { transform: translate(0, 0) scale(1); }
  to   { transform: translate(30px, 20px) scale(1.05); }
}

.hero-noise {
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.03'/%3E%3C/svg%3E");
  background-repeat: repeat;
  opacity: 0.4;
}

.hero-inner {
  position: relative;
  z-index: 1;
  max-width: var(--content-max);
  margin: 0 auto;
  padding: var(--space-20) var(--content-pad) var(--space-12);
  width: 100%;
}

.hero-availability {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-2) var(--space-4);
  background: var(--col-green-glow);
  border: 1px solid rgba(16, 185, 129, 0.25);
  border-radius: var(--radius-full);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--col-green);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: var(--space-8);
}

.hero-name {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(3.5rem, 10vw, 8rem);
  line-height: 0.95;
  letter-spacing: -0.04em;
  color: var(--col-text);
  margin-bottom: var(--space-8);
}

.hero-name-first {
  display: block;
  color: var(--col-text);
}

.hero-name-last {
  display: block;
  color: transparent;
  -webkit-text-stroke: 1.5px rgba(247, 243, 237, 0.3);
  background: linear-gradient(135deg, var(--col-accent-light), var(--col-gold-light));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-role {
  max-width: 600px;
  font-size: clamp(1rem, 2.5vw, 1.2rem);
  line-height: 1.6;
  color: var(--col-text-muted);
  margin-bottom: var(--space-8);
}
.hero-role em {
  font-style: normal;
  color: var(--col-text);
  font-weight: 500;
}
.hero-role-divider {
  margin: 0 var(--space-2);
  color: var(--col-accent);
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-5);
  margin-bottom: var(--space-10);
}
.hero-meta-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--col-text-faint);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
}

/* Stats bar pinned to bottom of hero */
.hero-stats {
  position: relative;
  z-index: 1;
  max-width: var(--content-max);
  margin: 0 auto var(--space-8);
  padding: 0 var(--content-pad);
  display: flex;
  align-items: center;
  gap: clamp(var(--space-4), 4vw, var(--space-10));
  flex-wrap: wrap;
}

.hero-stat {
  display: flex;
  flex-direction: column;
}
.hero-stat-num {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  line-height: 1;
  color: var(--col-text);
  letter-spacing: -0.03em;
}
.hero-stat-num sup {
  font-size: 0.5em;
  vertical-align: super;
  color: var(--col-accent-light);
}
.hero-stat-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--col-text-faint);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-top: var(--space-1);
}

.hero-stat-divider {
  width: 1px;
  height: 40px;
  background: var(--col-border);
  flex-shrink: 0;
}

/* ═══════════════════════════════════════════════════════════════════
   ABOUT
   ═══════════════════════════════════════════════════════════════════ */

.section--about {
  background: var(--col-surface);
  clip-path: polygon(0 2.5%, 100% 0, 100% 97.5%, 0 100%);
  padding: calc(var(--space-24) + 2.5vw) 0;
}

.about-grid {
  display: grid;
  gap: var(--space-12);
  grid-template-columns: 1fr;
}

@media (min-width: 768px) {
  .about-grid {
    grid-template-columns: 1fr 1.4fr;
    gap: var(--space-16);
    align-items: start;
  }
}

.about-heading-col {
  position: sticky;
  top: calc(var(--nav-height) + var(--space-8));
  align-self: start;
}

.about-signature {
  margin-top: var(--space-8);
}

.about-code {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  line-height: 1.8;
  color: var(--col-text-muted);
  padding: var(--space-4) var(--space-5);
  background: rgba(0,0,0,0.3);
  border: 1px solid var(--col-border);
  border-left: 3px solid var(--col-accent);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  white-space: pre;
}
.about-code-out { color: var(--col-green); }

.about-lead {
  font-size: 1.15rem;
  font-weight: 500;
  color: var(--col-text);
  line-height: 1.65;
  margin-bottom: var(--space-6);
}

.about-content p {
  color: var(--col-text-muted);
  line-height: 1.75;
  margin-bottom: var(--space-5);
}
.about-content p strong {
  color: var(--col-text);
  font-weight: 600;
}

.about-langs {
  margin-top: var(--space-8);
  padding-top: var(--space-6);
  border-top: 1px solid var(--col-border);
}
.about-lang-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--col-text-faint);
  display: block;
  margin-bottom: var(--space-3);
}
.about-lang-items {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}
.about-lang {
  font-size: 0.875rem;
  color: var(--col-text-muted);
}
.about-lang em {
  font-style: normal;
  color: var(--col-text-faint);
}

/* ═══════════════════════════════════════════════════════════════════
   SKILLS
   ═══════════════════════════════════════════════════════════════════ */

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

.skills-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-5);
  margin-bottom: var(--space-16);
}

@media (min-width: 640px) {
  .skills-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1024px) {
  .skills-grid { grid-template-columns: repeat(3, 1fr); }
}

.skill-card {
  background: var(--col-surface);
  border: 1px solid var(--col-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  transition: border-color var(--dur-base), transform var(--dur-base), box-shadow var(--dur-base);
  position: relative;
  overflow: hidden;
}
.skill-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--col-accent-glow) 0%, transparent 60%);
  opacity: 0;
  transition: opacity var(--dur-base);
  pointer-events: none;
}
.skill-card:hover {
  border-color: rgba(99,102,241,0.35);
  transform: translateY(-3px);
  box-shadow: 0 16px 40px rgba(0,0,0,0.3);
}
.skill-card:hover::after { opacity: 1; }

.skill-card-header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

.skill-card-icon {
  width: 38px;
  height: 38px;
  background: var(--col-accent-glow);
  border: 1px solid rgba(99,102,241,0.25);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--col-accent-light);
  flex-shrink: 0;
}

.skill-card-category {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--col-text-faint);
}

.skill-card-title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--col-text);
  margin-bottom: var(--space-4);
}

.skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

/* Certifications */
.certs-section {
  padding-top: var(--space-12);
  border-top: 1px solid var(--col-border);
}

.certs-heading {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--col-text);
  margin-bottom: var(--space-6);
}

.certs-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3);
}

@media (min-width: 640px) {
  .certs-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1024px) {
  .certs-grid { grid-template-columns: repeat(3, 1fr); }
}

.cert-card {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
  padding: var(--space-4) var(--space-5);
  background: var(--col-surface);
  border: 1px solid var(--col-border);
  border-radius: var(--radius-md);
  transition: border-color var(--dur-fast);
}
.cert-card:hover { border-color: var(--col-border-hover); }

.cert-card--degree {
  border-color: rgba(212,168,67,0.25);
  background: rgba(212,168,67,0.05);
}

.cert-badge {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--col-green);
  flex-shrink: 0;
  padding-top: 2px;
}
.cert-badge--degree { color: var(--col-gold); }

.cert-name {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--col-text);
  line-height: 1.4;
}
.cert-issuer {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--col-text-faint);
  margin-top: var(--space-1);
}

/* ═══════════════════════════════════════════════════════════════════
   PROJECTS
   ═══════════════════════════════════════════════════════════════════ */

.section--projects {
  background: var(--col-surface);
  clip-path: polygon(0 2%, 100% 0, 100% 98%, 0 100%);
  padding: calc(var(--space-24) + 2vw) 0;
}

.projects-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

@media (min-width: 768px) {
  .projects-list {
    grid-template-columns: repeat(2, 1fr);
  }
}

.project-card {
  position: relative;
  background: var(--col-bg);
  border: 1px solid var(--col-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: border-color var(--dur-base), transform var(--dur-base), box-shadow var(--dur-base);
}
.project-card:hover {
  border-color: rgba(99,102,241,0.4);
  transform: translateY(-4px);
  box-shadow: 0 24px 60px rgba(0,0,0,0.4);
}

.project-card--wide {
  grid-column: 1 / -1;
}
@media (min-width: 768px) {
  .project-card--wide { grid-column: 1 / -1; }
}

.project-card-inner {
  padding: clamp(var(--space-6), 3vw, var(--space-10));
  flex: 1;
  display: flex;
  flex-direction: column;
}

.project-card-visual {
  position: absolute;
  top: 0;
  right: 0;
  width: 120px;
  height: 120px;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0.04;
  pointer-events: none;
  transition: opacity var(--dur-slow);
}
.project-card:hover .project-card-visual { opacity: 0.06; }

.project-visual-glyph {
  font-family: var(--font-display);
  font-size: 5rem;
  font-weight: 900;
  color: var(--col-text);
  line-height: 1;
}

.project-meta {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

.project-category {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--col-accent);
}

.project-year {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--col-text-faint);
}
.project-year::before {
  content: '·';
  margin-right: var(--space-3);
  color: var(--col-border);
}

.project-title {
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 3vw, 1.8rem);
  font-weight: 700;
  line-height: 1.2;
  color: var(--col-text);
  margin-bottom: var(--space-4);
  letter-spacing: -0.02em;
}

.project-desc {
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--col-text-muted);
  margin-bottom: var(--space-6);
  flex: 1;
}

.project-metrics {
  display: flex;
  gap: var(--space-6);
  flex-wrap: wrap;
  padding: var(--space-4) 0;
  border-top: 1px solid var(--col-border);
  border-bottom: 1px solid var(--col-border);
  margin-bottom: var(--space-5);
}

.metric {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}
.metric-val {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--col-text);
  letter-spacing: -0.02em;
}
.metric-label {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--col-text-faint);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.project-stack {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: auto;
}

.project-tag {
  display: inline-flex;
  align-items: center;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 500;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--col-border);
  color: var(--col-text-muted);
  white-space: nowrap;
}
.project-tag--accent {
  background: var(--col-accent-glow);
  border-color: rgba(99,102,241,0.3);
  color: var(--col-accent-light);
}

/* ═══════════════════════════════════════════════════════════════════
   EXPERIENCE / TIMELINE
   ═══════════════════════════════════════════════════════════════════ */

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

.timeline {
  position: relative;
  padding-left: clamp(var(--space-8), 5vw, var(--space-16));
}

/* Vertical line */
.timeline::before {
  content: '';
  position: absolute;
  left: 12px;
  top: 0;
  bottom: 0;
  width: 1px;
  background: linear-gradient(to bottom, var(--col-accent) 0%, var(--col-border) 60%, transparent 100%);
}

.timeline-item {
  position: relative;
  padding-bottom: var(--space-12);
}
.timeline-item:last-child { padding-bottom: 0; }

.timeline-dot {
  position: absolute;
  left: calc(-1 * clamp(var(--space-8), 5vw, var(--space-16)) + 6px);
  top: 6px;
  width: 13px;
  height: 13px;
  border-radius: var(--radius-full);
  background: var(--col-surface-2);
  border: 2px solid var(--col-text-faint);
  transition: border-color var(--dur-base), background var(--dur-base);
}
.timeline-item--current .timeline-dot {
  background: var(--col-accent);
  border-color: var(--col-accent);
  box-shadow: 0 0 0 4px var(--col-accent-glow);
}
.timeline-item:hover .timeline-dot {
  border-color: var(--col-accent-light);
}

.timeline-content {
  padding-left: var(--space-4);
}

.timeline-period {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--col-text-faint);
  margin-bottom: var(--space-2);
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.timeline-duration {
  display: inline-block;
  padding: 2px var(--space-2);
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--col-border);
  border-radius: var(--radius-full);
  font-size: 0.65rem;
  color: var(--col-text-faint);
}

.timeline-title {
  font-family: var(--font-display);
  font-size: clamp(1.1rem, 2.5vw, 1.4rem);
  font-weight: 700;
  color: var(--col-text);
  letter-spacing: -0.01em;
  margin-bottom: var(--space-1);
}

.timeline-company {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--col-accent-light);
  margin-bottom: var(--space-4);
}
.timeline-location {
  font-weight: 400;
  color: var(--col-text-faint);
}

.timeline-bullets {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.timeline-bullets li {
  font-size: 0.9rem;
  color: var(--col-text-muted);
  line-height: 1.6;
  padding-left: var(--space-5);
  position: relative;
}
.timeline-bullets li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 12px;
  height: 1px;
  background: var(--col-text-faint);
}

/* ═══════════════════════════════════════════════════════════════════
   BOOK REVIEWS
   ═══════════════════════════════════════════════════════════════════ */

.section--books {
  background: var(--col-surface);
  clip-path: polygon(0 2%, 100% 0, 100% 98%, 0 100%);
  padding: calc(var(--space-24) + 2vw) 0;
}

.books-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-5);
}

@media (min-width: 640px) {
  .books-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1024px) {
  .books-grid { grid-template-columns: repeat(3, 1fr); }
}

.book-card {
  display: flex;
  flex-direction: column;
  background: var(--col-bg);
  border: 1px solid var(--col-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: border-color var(--dur-base), transform var(--dur-base), box-shadow var(--dur-base);
}
.book-card:hover {
  border-color: rgba(99,102,241,0.3);
  transform: translateY(-4px);
  box-shadow: 0 20px 50px rgba(0,0,0,0.4);
}

/* Coloured header "cover" for each card */
.book-cover {
  height: 130px;
  background: var(--col-book-default);
  position: relative;
  display: flex;
  align-items: flex-end;
  padding: var(--space-4) var(--space-5);
  overflow: hidden;
  flex-shrink: 0;
}
.book-cover--indigo { background: var(--col-book-indigo); }
.book-cover--gold   { background: var(--col-book-gold); }
.book-cover--teal   { background: var(--col-book-teal); }
.book-cover--rose   { background: var(--col-book-rose); }
.book-cover--slate  { background: var(--col-book-slate); }
.book-cover--amber  { background: var(--col-book-amber); }

.book-cover::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.07) 0%, transparent 60%);
}
.book-cover::after {
  content: '';
  position: absolute;
  top: -20px;
  right: -20px;
  width: 100px;
  height: 100px;
  border-radius: var(--radius-full);
  background: rgba(255,255,255,0.05);
}

.book-cover-inner {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.book-cover-title {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 700;
  color: rgba(255,255,255,0.9);
  line-height: 1.3;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.book-cover-author {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: rgba(255,255,255,0.5);
}

.book-body {
  padding: var(--space-5);
  display: flex;
  flex-direction: column;
  flex: 1;
}

.book-rating {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-3);
  color: var(--col-gold);
  font-size: 0.85rem;
  letter-spacing: 1px;
}
.book-rating-text {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--col-gold-light);
}

.book-title {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.35;
  color: var(--col-text);
  margin-bottom: var(--space-1);
}

.book-author {
  font-size: 0.82rem;
  color: var(--col-text-faint);
  margin-bottom: var(--space-1);
}

.book-date {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--col-text-faint);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-4);
}

.book-review {
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--col-text-muted);
  flex: 1;
  margin-bottom: var(--space-4);
}

.book-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: auto;
}

/* ═══════════════════════════════════════════════════════════════════
   CONTACT
   ═══════════════════════════════════════════════════════════════════ */

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

.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-16);
}

@media (min-width: 768px) {
  .contact-grid {
    grid-template-columns: 1fr 1fr;
    align-items: start;
  }
}

.contact-heading-col .section-title { margin-bottom: var(--space-6); }

.contact-intro {
  font-size: 1rem;
  line-height: 1.75;
  color: var(--col-text-muted);
  margin-bottom: var(--space-6);
}

.contact-availability {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--col-green);
}

.contact-links-col {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.contact-link {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-4) var(--space-5);
  background: var(--col-surface);
  border: 1px solid var(--col-border);
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: background var(--dur-fast), border-color var(--dur-fast), transform var(--dur-fast);
}
.contact-link:hover {
  background: var(--col-surface-2);
  border-color: var(--col-border-hover);
  transform: translateX(4px);
}

.contact-link-icon {
  width: 38px;
  height: 38px;
  background: var(--col-accent-glow);
  border: 1px solid rgba(99,102,241,0.2);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--col-accent-light);
  flex-shrink: 0;
}

.contact-link-body {
  display: flex;
  flex-direction: column;
  flex: 1;
  min-width: 0;
}

.contact-link-label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--col-text-faint);
  margin-bottom: 2px;
}

.contact-link-value {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--col-text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.contact-link-arrow {
  color: var(--col-text-faint);
  font-size: 1rem;
  flex-shrink: 0;
  transition: transform var(--dur-fast), color var(--dur-fast);
}
.contact-link:hover .contact-link-arrow {
  transform: translateX(3px);
  color: var(--col-accent-light);
}

/* ═══════════════════════════════════════════════════════════════════
   FOOTER
   ═══════════════════════════════════════════════════════════════════ */

footer {
  background: var(--col-surface);
  border-top: 1px solid var(--col-border);
}

.footer-inner {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: var(--space-12) var(--content-pad) var(--space-8);
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
}

@media (min-width: 768px) {
  .footer-inner {
    grid-template-columns: auto 1fr auto;
    align-items: center;
  }
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.footer-logo-mark {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--col-accent), var(--col-gold));
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.2rem;
  color: #fff;
  flex-shrink: 0;
}

.footer-tagline {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 0.875rem;
  color: var(--col-text-muted);
  line-height: 1.5;
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4) var(--space-6);
  justify-content: flex-start;
}
@media (min-width: 768px) {
  .footer-nav { justify-content: center; }
}

.footer-nav a {
  font-size: 0.875rem;
  color: var(--col-text-faint);
  transition: color var(--dur-fast);
}
.footer-nav a:hover { color: var(--col-text); }

.footer-contact {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.footer-contact-link {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--col-text-faint);
  transition: color var(--dur-fast);
}
.footer-contact-link:hover { color: var(--col-accent-light); }

.footer-social {
  display: flex;
  gap: var(--space-3);
  grid-column: 1 / -1;
}
@media (min-width: 768px) {
  .footer-social { grid-column: auto; }
}

.footer-social-link {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--col-border);
  border-radius: var(--radius-sm);
  color: var(--col-text-faint);
  transition: background var(--dur-fast), color var(--dur-fast), border-color var(--dur-fast);
}
.footer-social-link:hover {
  background: var(--col-accent-glow);
  border-color: rgba(99,102,241,0.3);
  color: var(--col-accent-light);
}

.footer-bottom {
  grid-column: 1 / -1;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding-top: var(--space-6);
  border-top: 1px solid var(--col-border);
}

.footer-status {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--col-green);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.footer-copy {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--col-text-faint);
}

/* ═══════════════════════════════════════════════════════════════════
   FOCUS STYLES (Accessibility)
   ═══════════════════════════════════════════════════════════════════ */

:focus-visible {
  outline: 2px solid var(--col-accent);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

/* ═══════════════════════════════════════════════════════════════════
   PRINT
   ═══════════════════════════════════════════════════════════════════ */

@media print {
  .nav, footer, .hero-canvas, .hero-orb { display: none !important; }
  body { background: #fff; color: #000; }
  .section { padding: 2rem 0; }
  .section--about,
  .section--projects,
  .section--books { clip-path: none; }
}