/* ============================================================
   Justice Otuya Portfolio — style.css
   Theme: Dark / Light · Teal accents · Inter + JetBrains Mono
   ============================================================ */

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

/* ── Layout & typography tokens (always in :root — theme-agnostic) ── */
:root {
  --radius-sm:   6px;
  --radius:      12px;
  --radius-lg:   20px;
  --radius-xl:   28px;

  --shadow-sm:   0 2px 8px rgba(0,0,0,0.18);
  --shadow:      0 8px 32px rgba(0,0,0,0.26);
  --shadow-lg:   0 24px 64px rgba(0,0,0,0.36);

  --transition:  0.25s cubic-bezier(0.4,0,0.2,1);

  --font-sans:   'Inter', system-ui, -apple-system, sans-serif;
  --font-mono:   'JetBrains Mono', 'Fira Mono', monospace;

  --nav-h:       72px;
  --section-gap: 120px;
  --container:   1180px;
}

/* ── Dark theme (default) ── */
:root,
[data-theme="dark"] {
  --bg:        #080b10;
  --bg-1:      #0d1117;
  --bg-2:      #131925;
  --surface:   #161d2a;
  --surface-1: #1c2536;
  --border:    rgba(255,255,255,0.07);

  --teal:      #06b6d4;
  --teal-dim:  rgba(6,182,212,0.12);
  --teal-glow: rgba(6,182,212,0.25);

  --text:        #e2e8f0;
  --text-muted:  #8892a4;
  --text-faint:  #4a5568;
  --heading:     #ffffff;

  --btn-primary-text: #000000;

  color-scheme: dark;
}

/* ── Light theme ── */
[data-theme="light"] {
  --bg:        #f8fafc;
  --bg-1:      #f1f5f9;
  --bg-2:      #e2e8f0;
  --surface:   #ffffff;
  --surface-1: #f1f5f9;
  --border:    rgba(0,0,0,0.08);

  --teal:      #0891b2;
  --teal-dim:  rgba(8,145,178,0.09);
  --teal-glow: rgba(8,145,178,0.2);

  --text:        #1e293b;
  --text-muted:  #475569;
  --text-faint:  #94a3b8;
  --heading:     #0f172a;

  --btn-primary-text: #ffffff;

  color-scheme: light;
}

/* ── Base ── */
html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  overflow-x: hidden;
  transition: background var(--transition), color var(--transition);
}

img { display: block; max-width: 100%; height: auto; }

a { color: inherit; text-decoration: none; transition: color var(--transition); }

ul { list-style: none; }

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

::selection { background: var(--teal-glow); }

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--surface-1); border-radius: 3px; }

/* ── Typography ── */
h1, h2, h3, h4 {
  line-height: 1.2;
  color: var(--heading);
  transition: color var(--transition);
}
h1 { font-size: clamp(2.5rem, 6vw, 4.5rem); font-weight: 800; letter-spacing: -0.02em; }
h2 { font-size: clamp(1.8rem, 4vw, 2.75rem); font-weight: 700; }
h3 { font-size: 1.25rem; font-weight: 600; }
h4 { font-size: 1rem;    font-weight: 600; }

p  { color: var(--text-muted); }
strong { color: var(--text); font-weight: 600; }
em { font-style: normal; color: var(--teal); }

/* ── Layout Utilities ── */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 clamp(1.25rem, 5vw, 2.5rem);
}

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

.section__header { margin-bottom: 3.5rem; }

.section__label {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--teal);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 0.75rem;
}

.section__title { color: var(--heading); }

.accent { color: var(--teal); }

/* ── Tags / Chips ── */
.tag {
  display: inline-flex;
  align-items: center;
  padding: 0.3rem 0.75rem;
  background: var(--teal-dim);
  color: var(--teal);
  border-radius: 100px;
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  border: 1px solid rgba(6,182,212,0.2);
  white-space: nowrap;
  transition: background var(--transition), color var(--transition);
}

/* ── Badges ── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.85rem;
  border-radius: 100px;
  font-size: 0.8rem;
  font-weight: 500;
}

.badge--current {
  background: rgba(34,197,94,0.12);
  color: #22c55e;
  border: 1px solid rgba(34,197,94,0.25);
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.875rem 1.75rem;
  border-radius: var(--radius);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  border: none;
  white-space: nowrap;
  font-family: var(--font-sans);
}

.btn--primary {
  background: var(--teal);
  color: var(--btn-primary-text);
}
.btn--primary:hover {
  filter: brightness(1.1);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px var(--teal-glow);
}

.btn--outline {
  background: transparent;
  color: var(--teal);
  border: 1.5px solid var(--teal);
}
.btn--outline:hover { background: var(--teal-dim); transform: translateY(-2px); }

.btn--ghost {
  background: transparent;
  color: var(--text-muted);
  border: 1.5px solid var(--border);
}
.btn--ghost:hover {
  color: var(--teal);
  border-color: var(--teal);
  background: var(--teal-dim);
  transform: translateY(-2px);
}

/* ── Navigation ── */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-h);
  z-index: 100;
  transition: background var(--transition), box-shadow var(--transition);
}

.nav.scrolled {
  background: rgba(8,11,16,0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 1px 0 var(--border);
}

[data-theme="light"] .nav.scrolled {
  background: rgba(248,250,252,0.92);
}

.nav__container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 clamp(1.25rem, 5vw, 2.5rem);
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.nav__logo {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--teal);
  width: 42px;
  height: 42px;
  border: 2px solid var(--teal);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition);
  flex-shrink: 0;
}
.nav__logo:hover { background: var(--teal-dim); }

.nav__links {
  display: flex;
  align-items: center;
  gap: 0.1rem;
  list-style: none;
  flex: 1;
  justify-content: center;
}
.nav__links a {
  padding: 0.45rem 0.75rem;
  font-size: 0.88rem;
  color: var(--text-muted);
  border-radius: var(--radius-sm);
  transition: color var(--transition);
}
.nav__links a:hover,
.nav__links a.active { color: var(--heading); }

/* Resume button in nav */
.nav__resume {
  display: inline-flex !important;
  align-items: center !important;
  gap: 0.4rem !important;
  padding: 0.45rem 0.9rem !important;
  border: 1.5px solid var(--teal) !important;
  color: var(--teal) !important;
  border-radius: var(--radius-sm) !important;
  font-size: 0.85rem !important;
  font-weight: 500 !important;
  white-space: nowrap !important;
  transition: background var(--transition) !important;
}
.nav__resume:hover { background: var(--teal-dim) !important; }

/* Nav controls (theme toggle + burger) */
.nav__controls {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-shrink: 0;
}

/* ── Theme Toggle ── */
.theme-toggle {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  background: var(--surface);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition);
  color: var(--text-muted);
  flex-shrink: 0;
}
.theme-toggle:hover {
  border-color: var(--teal);
  color: var(--teal);
  background: var(--teal-dim);
}

/* Show correct icon per theme */
[data-theme="dark"]  .theme-toggle__moon { display: none; }
[data-theme="dark"]  .theme-toggle__sun  { display: block; }
[data-theme="light"] .theme-toggle__sun  { display: none; }
[data-theme="light"] .theme-toggle__moon { display: block; }

/* ── Nav Burger ── */
.nav__burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}
.nav__burger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: all var(--transition);
}
.nav__burger.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav__burger.open span:nth-child(2) { opacity: 0; }
.nav__burger.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ── Mobile Menu ── */
.mobile-menu {
  position: fixed;
  top: var(--nav-h);
  left: 0;
  right: 0;
  background: rgba(8,11,16,0.97);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: 1.25rem;
  z-index: 99;
  transform: translateY(-100%);
  opacity: 0;
  pointer-events: none;
  transition: transform var(--transition), opacity var(--transition);
  border-bottom: 1px solid var(--border);
}
[data-theme="light"] .mobile-menu { background: rgba(248,250,252,0.97); }

.mobile-menu.open {
  transform: translateY(0);
  opacity: 1;
  pointer-events: all;
}
.mobile-menu ul { display: flex; flex-direction: column; gap: 0.35rem; }

.mobile-menu__link {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.875rem 1rem;
  font-size: 1rem;
  color: var(--text-muted);
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
}
.mobile-menu__link:hover { color: var(--heading); background: var(--surface); }

.mobile-menu__link--resume {
  color: var(--teal) !important;
  border: 1px solid var(--teal);
  margin-top: 0.5rem;
  justify-content: center;
}
.mobile-menu__link--resume:hover {
  background: var(--teal-dim) !important;
  color: var(--teal) !important;
}

/* ── Hero ── */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: calc(var(--nav-h) + 3rem) 0 4rem;
  position: relative;
  overflow: hidden;
}

.hero__bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 20%, black 0%, transparent 100%);
  pointer-events: none;
}

.hero::before {
  content: '';
  position: absolute;
  top: -20%;
  right: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--teal-dim) 0%, transparent 70%);
  pointer-events: none;
}

.hero__container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 clamp(1.25rem, 5vw, 2.5rem);
  display: flex;
  align-items: center;
  gap: 4rem;
  flex: 1;
}

.hero__content { flex: 1; min-width: 0; }

.hero__greeting {
  font-family: var(--font-mono);
  color: var(--teal);
  font-size: 1rem;
  margin-bottom: 0.5rem;
}

.hero__name {
  font-size: clamp(2.75rem, 7vw, 5rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.05;
  color: var(--heading);
  margin-bottom: 0.5rem;
}

.hero__title {
  font-size: clamp(1.1rem, 2.5vw, 1.6rem);
  font-weight: 500;
  color: var(--text-muted);
  margin-bottom: 1.25rem;
}

.hero__tagline {
  max-width: 540px;
  font-size: 1.05rem;
  line-height: 1.75;
  color: var(--text-muted);
  margin-bottom: 2rem;
}

.hero__actions {
  display: flex;
  gap: 0.875rem;
  flex-wrap: wrap;
  margin-bottom: 2rem;
}

.hero__meta {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
}
.hero__meta span {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.875rem;
  color: var(--text-faint);
}
.hero__meta svg { color: var(--teal); flex-shrink: 0; }

/* ── Hero image ── */
.hero__image { flex-shrink: 0; position: relative; }

.hero__image-frame {
  width: clamp(260px, 30vw, 360px);
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--surface);
  position: relative;
}
.hero__image-frame::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, transparent 60%, var(--bg) 100%);
  z-index: 1;
  opacity: 0.5;
}
.hero__image-frame img {
  width: 100%;
  height: auto;
  display: block;
  aspect-ratio: 3/4;
  object-fit: cover;
}

.hero__available {
  position: absolute;
  bottom: -16px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: 100px;
  padding: 0.5rem 1.25rem;
  font-size: 0.8rem;
  font-weight: 500;
  color: #22c55e;
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.pulse {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #22c55e;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(34,197,94,0.4); }
  50%       { box-shadow: 0 0 0 6px rgba(34,197,94,0); }
}

.hero__scroll {
  display: flex;
  justify-content: center;
  margin-top: 3rem;
  color: var(--text-faint);
  animation: bounce 2s ease-in-out infinite;
  transition: color var(--transition);
}
.hero__scroll:hover { color: var(--teal); }

@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(8px); }
}

/* ── Reveal Animations ── */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.65s cubic-bezier(0.4,0,0.2,1),
              transform 0.65s cubic-bezier(0.4,0,0.2,1);
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger hero children */
.hero__content .reveal:nth-child(1) { transition-delay: 0.05s; }
.hero__content .reveal:nth-child(2) { transition-delay: 0.15s; }
.hero__content .reveal:nth-child(3) { transition-delay: 0.25s; }
.hero__content .reveal:nth-child(4) { transition-delay: 0.35s; }
.hero__content .reveal:nth-child(5) { transition-delay: 0.45s; }
.hero__content .reveal:nth-child(6) { transition-delay: 0.55s; }
.hero__image.reveal                  { transition-delay: 0.2s; }

/* ── About ── */
.about { background: var(--bg-1); }

.about__grid {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 5rem;
  align-items: start;
}

.about__text p {
  margin-bottom: 1.25rem;
  font-size: 1rem;
  line-height: 1.8;
}

.about__stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  margin-top: 2.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
}

.stat__number {
  display: block;
  font-size: 2rem;
  font-weight: 800;
  color: var(--teal);
  line-height: 1;
  font-family: var(--font-sans);
}
.stat__label {
  display: block;
  font-size: 0.75rem;
  color: var(--text-faint);
  margin-top: 0.35rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.about__image {
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid var(--border);
  position: sticky;
  top: calc(var(--nav-h) + 2rem);
}
.about__image img { width: 100%; object-fit: cover; }

/* ── Experience / Timeline ── */
.experience { background: var(--bg); }

.timeline { position: relative; padding-left: 2rem; }
.timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 12px;
  bottom: 0;
  width: 1px;
  background: linear-gradient(to bottom, var(--teal), transparent);
}

.timeline__item { position: relative; padding-bottom: 3.5rem; }
.timeline__item:last-child { padding-bottom: 0; }

.timeline__dot {
  position: absolute;
  left: -2rem;
  top: 14px;
  transform: translateX(-50%);
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--teal);
  border: 3px solid var(--bg);
  box-shadow: 0 0 0 3px var(--teal-glow);
  transition: border-color var(--transition);
}

.timeline__card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: border-color var(--transition), background var(--transition), box-shadow var(--transition);
}
.timeline__card:hover {
  border-color: rgba(6,182,212,0.3);
  box-shadow: var(--shadow-sm);
}

.timeline__header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1.5rem;
  margin-bottom: 1.25rem;
  flex-wrap: wrap;
}

.timeline__role { font-size: 1.15rem; font-weight: 700; color: var(--heading); }

.timeline__company,
.timeline__company a {
  font-size: 0.95rem;
  color: var(--teal);
  font-weight: 500;
  margin-top: 0.25rem;
}
.timeline__company a:hover { text-decoration: underline; }

.timeline__meta {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.35rem;
  flex-shrink: 0;
}
.timeline__date   { font-size: 0.875rem; color: var(--text-faint); font-family: var(--font-mono); }
.timeline__location { font-size: 0.8rem; color: var(--text-faint); }

.timeline__list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
  margin-bottom: 1.5rem;
}
.timeline__list li {
  font-size: 0.95rem;
  color: var(--text-muted);
  padding-left: 1.25rem;
  position: relative;
}
.timeline__list li::before { content: '▹'; position: absolute; left: 0; color: var(--teal); }

.timeline__tags { display: flex; flex-wrap: wrap; gap: 0.5rem; }

/* ── Skills ── */
.skills { background: var(--bg-1); }

.skills__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.skills__card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  transition: all var(--transition);
}
.skills__card:hover {
  border-color: rgba(6,182,212,0.3);
  transform: translateY(-3px);
  box-shadow: var(--shadow);
}

.skills__card-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius);
  background: var(--teal-dim);
  border: 1px solid rgba(6,182,212,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
  color: var(--teal);
}

.skills__card h3 { font-size: 1rem; margin-bottom: 1rem; color: var(--heading); }

.skills__list { display: flex; flex-wrap: wrap; gap: 0.5rem; list-style: none; }

/* ── Projects ── */
.projects { background: var(--bg); }

.projects__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
}

.project-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: all var(--transition);
}
.project-card:hover {
  border-color: rgba(6,182,212,0.3);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.project-card--featured {
  grid-column: 1 / -1;
  border-color: rgba(6,182,212,0.2);
}

.project-card__inner {
  padding: 2rem;
  height: 100%;
  display: flex;
  flex-direction: column;
}

.project-card__header { margin-bottom: 1rem; }

.project-card__eyebrow {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--teal);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  display: block;
  margin-bottom: 0.5rem;
}
.project-card__title   { font-size: 1.4rem; font-weight: 700; color: var(--heading); }
.project-card__subtitle { font-size: 0.875rem; color: var(--text-faint); margin-top: 0.2rem; }

.project-card__desc {
  font-size: 0.95rem;
  line-height: 1.7;
  margin-bottom: 1.25rem;
  flex: 1;
}

.project-card__bullets {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}
.project-card__bullets li {
  font-size: 0.875rem;
  color: var(--text-muted);
  padding-left: 1.25rem;
  position: relative;
}
.project-card__bullets li::before { content: '▹'; position: absolute; left: 0; color: var(--teal); }

.project-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  margin-top: auto;
}
.project-card__tags { display: flex; flex-wrap: wrap; gap: 0.5rem; }

.project-card__link {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.8rem;
  color: var(--teal);
  white-space: nowrap;
  transition: gap var(--transition);
}
.project-card__link:hover { gap: 0.65rem; }

/* ── Education ── */
.education { background: var(--bg-1); }

.edu__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
}

.edu__col-title {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-faint);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 1.5rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border);
}
.edu__col-title svg { color: var(--teal); }

.edu-card {
  display: flex;
  gap: 1rem;
  padding: 1.25rem;
  border-radius: var(--radius);
  background: var(--surface);
  border: 1px solid var(--border);
  margin-bottom: 0.875rem;
  transition: border-color var(--transition), background var(--transition);
}
.edu-card:hover { border-color: rgba(6,182,212,0.25); }

.edu-card__badge {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: var(--bg-2);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 700;
  color: var(--text-faint);
  flex-shrink: 0;
}
.edu-card__badge--teal {
  background: var(--teal-dim);
  border-color: rgba(6,182,212,0.2);
  color: var(--teal);
}

.edu-card__content h4  { font-size: 0.9rem; color: var(--heading); margin-bottom: 0.2rem; }
.edu-card__school      { font-size: 0.85rem; color: var(--teal); margin-bottom: 0.2rem; }
.edu-card__meta        { font-size: 0.78rem; color: var(--text-faint); }

/* ── Contact ── */
.contact { background: var(--bg); }

.contact__content { max-width: 640px; }

.contact__intro {
  font-size: 1.05rem;
  line-height: 1.8;
  margin-bottom: 2.5rem;
  color: var(--text-muted);
}

.contact__links { display: flex; flex-direction: column; gap: 1rem; }

.contact-card {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  padding: 1.25rem 1.5rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: all var(--transition);
}
.contact-card:hover {
  border-color: rgba(6,182,212,0.3);
  background: var(--surface-1);
  transform: translateX(6px);
}

.contact-card__icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius);
  background: var(--teal-dim);
  border: 1px solid rgba(6,182,212,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--teal);
  flex-shrink: 0;
}

.contact-card__text { flex: 1; min-width: 0; }
.contact-card__label {
  display: block;
  font-size: 0.72rem;
  color: var(--text-faint);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.contact-card__value {
  display: block;
  font-size: 0.95rem;
  color: var(--heading);
  margin-top: 0.15rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.contact-card__arrow {
  color: var(--text-faint);
  flex-shrink: 0;
  transition: transform var(--transition), color var(--transition);
}
.contact-card:hover .contact-card__arrow { color: var(--teal); transform: translate(3px,-3px); }

/* ── Footer ── */
.footer {
  background: var(--bg-1);
  border-top: 1px solid var(--border);
  padding: 2rem 0;
}

.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.footer__copy { font-size: 0.875rem; color: var(--text-faint); }
.footer__copy strong { color: var(--text-muted); }

.footer__links { display: flex; gap: 1.5rem; }
.footer__links a {
  font-size: 0.875rem;
  color: var(--text-faint);
  transition: color var(--transition);
}
.footer__links a:hover { color: var(--teal); }

/* ── Responsive ── */
@media (max-width: 1024px) {
  .skills__grid       { grid-template-columns: repeat(2, 1fr); }
  .about__grid        { grid-template-columns: 1fr; }
  .about__image       { position: static; max-width: 420px; }
  .about__stats       { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  :root { --section-gap: 80px; }

  .nav__links  { display: none; }
  .nav__burger { display: flex; }
  .theme-toggle { width: 34px; height: 34px; }

  .hero__container {
    flex-direction: column-reverse;
    text-align: center;
    gap: 2.5rem;
  }
  .hero__image       { width: 100%; display: flex; justify-content: center; }
  .hero__image-frame { width: clamp(220px, 70vw, 300px); }
  .hero__tagline     { margin: 0 auto 2rem; }
  .hero__actions     { justify-content: center; }
  .hero__meta        { justify-content: center; }

  .projects__grid     { grid-template-columns: 1fr; }
  .project-card--featured { grid-column: 1; }
  .edu__grid          { grid-template-columns: 1fr; }
  .skills__grid       { grid-template-columns: 1fr; }
  .timeline           { padding-left: 1.5rem; }
  .timeline__header   { flex-direction: column; gap: 0.75rem; }
  .timeline__meta     { align-items: flex-start; }
  .footer__inner      { flex-direction: column; text-align: center; }
}

@media (max-width: 480px) {
  .hero__actions { flex-direction: column; align-items: center; }
  .btn           { width: 100%; justify-content: center; }
  .about__stats  { grid-template-columns: repeat(2, 1fr); }
}

/* ── Reduced motion ── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  .reveal { opacity: 1 !important; transform: none !important; }
}