/* Portfolio design system — reusable components, responsive layout */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --p: #00f5ff;
  --s: #bf00ff;
  --a: #39ff14;
  --bg: #050510;
  --card: #0a0a1a;
  --bd: #1a1a3a;
  --tx: #e0e0ff;
  --tx-soft: #c8c8e8;
  --mu: #8b9cd4;
  --nb: rgba(5, 5, 16, 0.95);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-full: 999px;
  --space-xs: 0.35rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --container-max: 900px;
  --nav-h: 3.25rem;
  --shadow-glow: 0 0 20px rgba(0, 245, 255, 0.2);
  --transition: 0.2s ease;
}

[data-theme='light'] {
  --p: #2834c4;
  --s: #7c3aed;
  --a: #059669;
  --bg: #f0f4ff;
  --card: #fff;
  --bd: #c7d2fe;
  --tx: #1a1a2e;
  --tx-soft: #334155;
  --mu: #64748b;
  --nb: rgba(240, 244, 255, 0.95);
  --shadow-glow: 0 4px 24px rgba(40, 52, 196, 0.12);
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg);
  color: var(--tx);
  line-height: 1.6;
  transition: background 0.3s, color 0.3s;
  overflow-x: hidden;
  padding-top: var(--nav-h);
}

body::after {
  content: '';
  position: fixed;
  inset: 0;
  background:
    radial-gradient(ellipse at 20% 50%, rgba(0, 245, 255, 0.05) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 20%, rgba(191, 0, 255, 0.05) 0%, transparent 60%),
    radial-gradient(ellipse at 60% 80%, rgba(57, 255, 20, 0.03) 0%, transparent 50%);
  pointer-events: none;
  z-index: 0;
  animation: bgpulse 8s ease-in-out infinite alternate;
}

[data-theme='light'] body::after {
  background:
    radial-gradient(ellipse at 20% 50%, rgba(40, 52, 196, 0.07) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 20%, rgba(124, 58, 237, 0.07) 0%, transparent 60%);
}

@keyframes bgpulse {
  0% { opacity: 0.5; }
  100% { opacity: 1; }
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0, 245, 255, 0.012) 2px,
    rgba(0, 245, 255, 0.012) 4px
  );
  pointer-events: none;
  z-index: 1;
}

[data-theme='light'] body::before {
  display: none;
}

/* Layout */
.container {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 clamp(1rem, 4vw, 1.5rem);
}

.section {
  padding: clamp(2rem, 5vw, 2.5rem) 0;
}

.section__title {
  font-size: clamp(1.25rem, 3vw, 1.5rem);
  margin-bottom: var(--space-md);
  color: var(--p);
  text-shadow: 0 0 10px var(--p);
  letter-spacing: 0.05em;
}

[data-theme='light'] .section__title {
  text-shadow: none;
}

.section__lead {
  color: var(--mu);
  font-size: clamp(0.85rem, 2vw, 0.9rem);
  margin-bottom: var(--space-md);
  max-width: 42rem;
}

.stack-label {
  color: var(--tx-soft);
  font-size: 0.9rem;
  margin-bottom: var(--space-sm);
  line-height: 1.5;
}

.stack-label strong {
  color: var(--tx);
  font-weight: 600;
}

/* Grid */
.grid {
  display: grid;
  gap: clamp(1rem, 3vw, 1.25rem);
}

.grid--2 {
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 260px), 1fr));
}

.grid--projects {
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 280px), 1fr));
}

/* Card */
.card {
  background: var(--card);
  border: 1px solid var(--bd);
  border-radius: var(--radius-md);
  padding: clamp(1rem, 3vw, 1.5rem);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.card:hover {
  border-color: var(--p);
  box-shadow: var(--shadow-glow);
}

.card--center {
  text-align: center;
}

.card__text {
  color: var(--mu);
  font-size: 0.95rem;
}

.card__text + .card__text {
  margin-top: var(--space-md);
}

.text-accent {
  color: var(--p);
}

.text-accent--s {
  color: var(--s);
}

.text-accent--a {
  color: var(--a);
}

/* Info card */
.info-card {
  background: var(--card);
  border: 1px solid var(--bd);
  border-radius: var(--radius-md);
  padding: clamp(1rem, 3vw, 1.2rem);
  height: 100%;
}

.info-card__title {
  color: var(--p);
  font-size: 0.95rem;
  margin-bottom: var(--space-sm);
}

.info-card__body {
  color: var(--mu);
  font-size: 0.88rem;
}

/* List */
.list {
  list-style: none;
  padding: 0;
}

.list--bullet li {
  color: var(--mu);
  font-size: 0.88rem;
  padding: 0.25rem 0 0.25rem 1rem;
  position: relative;
  line-height: 1.65;
}

.list--bullet li::before {
  content: '▸';
  position: absolute;
  left: 0;
  color: var(--s);
}

.list--spaced li + li {
  margin-top: 0.15rem;
}

/* Timeline / experience */
.timeline__item {
  border-left: 2px solid var(--p);
  padding-left: var(--space-md);
}

.timeline__role {
  color: var(--p);
  font-size: clamp(1rem, 2.5vw, 1.05rem);
  margin-bottom: var(--space-xs);
}

.timeline__meta {
  color: var(--mu);
  font-size: 0.82rem;
  margin-bottom: var(--space-xs);
}

.timeline__meta + .timeline__meta {
  margin-top: 0.35rem;
}

.timeline__stack {
  margin-top: 0.75rem;
  color: var(--mu);
  font-size: 0.88rem;
}

.timeline__group-title {
  margin-top: 1rem;
  margin-bottom: 0.5rem;
  color: var(--p);
  font-size: 0.85rem;
  font-weight: 600;
}

.timeline__group-title:not(:first-of-type) {
  margin-top: 0.85rem;
}

/* Hero meta (badges + links) */
.hero__meta {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: clamp(1.25rem, 4vw, 1.75rem);
  width: 100%;
  max-width: 40rem;
  margin: 0 auto;
  padding-top: 0.25rem;
}

.badge-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem 0.75rem;
  justify-content: center;
  align-items: stretch;
  list-style: none;
  padding: 0;
  margin: 0;
  width: 100%;
}

.badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  background: var(--card);
  border: 1px solid var(--bd);
  padding: 0.55rem 1rem;
  border-radius: var(--radius-full);
  font-size: clamp(0.8rem, 2vw, 0.88rem);
  color: var(--mu);
  line-height: 1.35;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.badge:hover {
  border-color: var(--p);
}

.badge__icon {
  flex-shrink: 0;
  font-size: 1em;
  line-height: 1;
}

.badge__text {
  text-align: left;
}

/* Button */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  border: none;
  border-radius: var(--radius-md);
  font-weight: 700;
  font-size: 0.95rem;
  cursor: pointer;
  transition: opacity var(--transition), transform var(--transition);
  text-decoration: none;
  font-family: inherit;
}

.btn:active {
  transform: scale(0.98);
}

.btn--primary {
  background: linear-gradient(135deg, var(--p), var(--s));
  color: #050510;
  padding: 0.75rem 1.5rem;
}

.btn--ghost {
  background: var(--card);
  border: 1px solid var(--p);
  color: var(--p);
  padding: 0.4rem 0.7rem;
  font-size: 1rem;
  font-weight: 400;
}

.btn--ghost:hover {
  background: var(--p);
  color: var(--bg);
}

/* Nav */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--nav-h);
  background: var(--nb);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--bd);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  max-width: var(--container-max);
  height: 100%;
  margin: 0 auto;
  padding: 0 clamp(1rem, 4vw, 1.5rem);
}

.nav__brand {
  font-weight: 700;
  color: var(--p);
  font-size: clamp(0.8rem, 2.5vw, 0.95rem);
  letter-spacing: 0.05em;
  text-shadow: 0 0 10px var(--p);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 45vw;
}

[data-theme='light'] .nav__brand {
  text-shadow: none;
}

.nav__actions {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  flex-shrink: 0;
}

.nav__toggle {
  display: none;
  width: 40px;
  height: 40px;
  border: 1px solid var(--bd);
  border-radius: var(--radius-sm);
  background: var(--card);
  color: var(--tx);
  cursor: pointer;
  font-size: 1.2rem;
  line-height: 1;
}

.nav__links {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  align-items: center;
}

.nav__links a {
  color: var(--mu);
  text-decoration: none;
  font-size: 0.82rem;
  padding: 0.35rem 0.5rem;
  border-radius: 6px;
  transition: color var(--transition);
}

.nav__links a:hover {
  color: var(--p);
}

.nav__panel {
  display: contents;
}

/* Hero */
.hero {
  text-align: center;
  padding: clamp(2.5rem, 8vw, 5rem) 0 clamp(2rem, 5vw, 3rem);
  position: relative;
  overflow: hidden;
}

.hero__canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.hero__content {
  position: relative;
  z-index: 1;
}

.hero__avatar {
  width: clamp(80px, 20vw, 100px);
  height: clamp(80px, 20vw, 100px);
  border-radius: 50%;
  border: 3px solid var(--p);
  margin-bottom: var(--space-md);
  box-shadow: 0 0 20px rgba(0, 245, 255, 0.3);
}

.hero__title {
  font-size: clamp(1.75rem, 6vw, 2.5rem);
  margin-bottom: 0.3rem;
}

.hero__title span {
  background: linear-gradient(135deg, var(--p), var(--s));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__subtitle {
  color: var(--mu);
  font-size: clamp(0.95rem, 2.5vw, 1.1rem);
  margin-bottom: clamp(1.25rem, 4vw, 1.75rem);
  min-height: 1.7rem;
}

.hero__subtitle::after {
  content: '|';
  color: var(--p);
  animation: blink 0.7s infinite;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

.link-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem 0.85rem;
  justify-content: center;
  align-items: center;
  width: 100%;
}

.link-list a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.5rem;
  color: var(--p);
  text-decoration: none;
  font-size: clamp(0.82rem, 2vw, 0.9rem);
  padding: 0.5rem 1.15rem;
  border: 1px solid var(--p);
  border-radius: var(--radius-sm);
  transition: all var(--transition);
  white-space: nowrap;
}

.link-list a:hover {
  background: var(--p);
  color: var(--bg);
  box-shadow: 0 0 20px var(--p);
}

/* Project card */
.project-card {
  background: linear-gradient(165deg, rgba(0, 245, 255, 0.04) 0%, var(--card) 42%);
  border: 1px solid var(--bd);
  border-radius: var(--radius-lg);
  padding: clamp(1.1rem, 3vw, 1.35rem);
  transition: border-color 0.25s, box-shadow 0.25s, transform 0.25s;
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
  height: 100%;
  gap: 0.35rem;
}

.project-card:hover {
  border-color: var(--p);
  transform: translateY(-3px);
  box-shadow: 0 8px 28px rgba(0, 245, 255, 0.15);
}

.project-card:hover .project-card__link-hint {
  color: var(--p);
  opacity: 1;
}

.project-card--featured {
  border-color: rgba(0, 245, 255, 0.45);
  grid-column: 1 / -1;
  box-shadow: 0 0 24px rgba(0, 245, 255, 0.12);
  background: linear-gradient(165deg, rgba(0, 245, 255, 0.08) 0%, var(--card) 50%);
}

[data-theme='light'] .project-card {
  background: linear-gradient(165deg, rgba(40, 52, 196, 0.05) 0%, var(--card) 45%);
}

[data-theme='light'] .project-card--featured {
  background: linear-gradient(165deg, rgba(40, 52, 196, 0.08) 0%, var(--card) 50%);
}

.project-card__badge {
  color: var(--a);
  font-size: 0.75rem;
  font-weight: 700;
  margin-bottom: 0.15rem;
  letter-spacing: 0.06em;
}

.project-card__title {
  color: var(--tx);
  font-size: clamp(1.02rem, 2.5vw, 1.12rem);
  font-weight: 600;
  line-height: 1.3;
  letter-spacing: -0.01em;
}

.project-card--featured .project-card__title {
  color: var(--p);
}

.project-card__desc {
  color: var(--tx-soft);
  font-size: clamp(0.88rem, 2vw, 0.92rem);
  line-height: 1.55;
  margin-bottom: 0.25rem;
  flex: 1;
}

.project-card__stats {
  display: flex;
  gap: 0.5rem 0.85rem;
  flex-wrap: wrap;
  margin: 0.35rem 0 0.15rem;
}

.project-card__stat {
  font-size: 0.8rem;
  color: var(--tx-soft);
  background: rgba(0, 245, 255, 0.06);
  border: 1px solid rgba(0, 245, 255, 0.12);
  padding: 0.25rem 0.55rem;
  border-radius: var(--radius-sm);
}

[data-theme='light'] .project-card__stat {
  background: rgba(40, 52, 196, 0.06);
  border-color: rgba(40, 52, 196, 0.12);
}

.project-card__code {
  display: block;
  background: rgba(0, 0, 0, 0.45);
  border: 1px solid rgba(0, 245, 255, 0.25);
  padding: 0.55rem 0.85rem;
  border-radius: var(--radius-sm);
  font-size: 0.74rem;
  color: #b8ffd0;
  margin-top: 0.15rem;
  font-family: ui-monospace, 'Cascadia Code', monospace;
  word-break: break-all;
  line-height: 1.45;
}

[data-theme='light'] .project-card__code {
  background: #1e293b;
  color: #86efac;
}

.project-card__foot {
  margin-top: auto;
  padding-top: 0.75rem;
  border-top: 1px solid var(--bd);
}

.project-card__link-hint {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--mu);
  opacity: 0.85;
  margin-top: 0.35rem;
  letter-spacing: 0.02em;
  transition: color var(--transition), opacity var(--transition);
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.tag {
  display: inline-flex;
  align-items: center;
  padding: 0.28rem 0.65rem;
  border-radius: var(--radius-full);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  border: 1px solid var(--bd);
  background: rgba(255, 255, 255, 0.04);
  color: var(--tx-soft);
  transition: transform var(--transition), box-shadow var(--transition);
}

[data-theme='light'] .tag {
  background: #f1f5f9;
}

.project-card:hover .tag {
  transform: translateY(-1px);
}

.tag--stars {
  color: #fbbf24;
  font-size: 0.82rem;
  background: rgba(251, 191, 36, 0.1);
  border-color: rgba(251, 191, 36, 0.35);
  padding: 0.28rem 0.65rem;
}

/* Tech tag colors (projects + stack pills) */
.tag[data-tag='typescript'],
.tech-pill[data-tag='typescript'] {
  --tag-fg: #7eb8ff;
  --tag-bg: rgba(49, 120, 198, 0.18);
  --tag-bd: rgba(49, 120, 198, 0.45);
}

.tag[data-tag='react'],
.tech-pill[data-tag='react'] {
  --tag-fg: #7ee7ff;
  --tag-bg: rgba(97, 218, 251, 0.14);
  --tag-bd: rgba(97, 218, 251, 0.4);
}

.tag[data-tag='python'],
.tech-pill[data-tag='python'] {
  --tag-fg: #ffd56a;
  --tag-bg: rgba(55, 118, 171, 0.2);
  --tag-bd: rgba(55, 118, 171, 0.45);
}

.tag[data-tag='nextjs'],
.tech-pill[data-tag='nextjs'] {
  --tag-fg: #e2e8f0;
  --tag-bg: rgba(255, 255, 255, 0.08);
  --tag-bd: rgba(255, 255, 255, 0.28);
}

.tag[data-tag='fastapi'],
.tech-pill[data-tag='fastapi'] {
  --tag-fg: #5eead4;
  --tag-bg: rgba(0, 150, 136, 0.15);
  --tag-bd: rgba(0, 150, 136, 0.4);
}

.tag[data-tag='laravel'],
.tech-pill[data-tag='laravel'] {
  --tag-fg: #ff8a80;
  --tag-bg: rgba(255, 45, 32, 0.14);
  --tag-bd: rgba(255, 45, 32, 0.4);
}

.tag[data-tag='php'],
.tech-pill[data-tag='php'] {
  --tag-fg: #c4b5fd;
  --tag-bg: rgba(119, 123, 180, 0.2);
  --tag-bd: rgba(119, 123, 180, 0.45);
}

.tag[data-tag='mysql'],
.tech-pill[data-tag='mysql'] {
  --tag-fg: #93c5fd;
  --tag-bg: rgba(0, 117, 143, 0.18);
  --tag-bd: rgba(0, 117, 143, 0.42);
}

.tag[data-tag='javascript'],
.tech-pill[data-tag='javascript'] {
  --tag-fg: #fde047;
  --tag-bg: rgba(247, 223, 30, 0.12);
  --tag-bd: rgba(247, 223, 30, 0.38);
}

.tag[data-tag='postgresql'],
.tech-pill[data-tag='postgresql'] {
  --tag-fg: #a5b4fc;
  --tag-bg: rgba(51, 103, 145, 0.2);
  --tag-bd: rgba(51, 103, 145, 0.42);
}

.tag[data-tag='docker'],
.tech-pill[data-tag='docker'] {
  --tag-fg: #7dd3fc;
  --tag-bg: rgba(36, 150, 237, 0.15);
  --tag-bd: rgba(36, 150, 237, 0.4);
}

.tag[data-tag='wordpress'],
.tech-pill[data-tag='wordpress'] {
  --tag-fg: #93c5fd;
  --tag-bg: rgba(33, 117, 155, 0.18);
  --tag-bd: rgba(33, 117, 155, 0.42);
}

.tag[data-tag='tailwind'],
.tech-pill[data-tag='tailwind'] {
  --tag-fg: #5eead4;
  --tag-bg: rgba(56, 189, 248, 0.12);
  --tag-bd: rgba(56, 189, 248, 0.38);
}

.tag[data-tag='mongodb'],
.tech-pill[data-tag='mongodb'] {
  --tag-fg: #86efac;
  --tag-bg: rgba(71, 162, 72, 0.15);
  --tag-bd: rgba(71, 162, 72, 0.4);
}

.tag[data-tag],
.tech-pill[data-tag] {
  color: var(--tag-fg, var(--tx-soft));
  background: var(--tag-bg, rgba(0, 245, 255, 0.06));
  border-color: var(--tag-bd, var(--bd));
}

[data-theme='light'] .tag[data-tag],
[data-theme='light'] .tech-pill[data-tag] {
  color: var(--tag-fg, var(--tx));
}

[data-theme='light'] .tag[data-tag='nextjs'],
[data-theme='light'] .tech-pill[data-tag='nextjs'] {
  --tag-fg: #1e293b;
  --tag-bg: #e2e8f0;
  --tag-bd: #94a3b8;
}

/* Tech stack pills */
.tech-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem 0.65rem;
}

.tech-grid--work {
  margin-bottom: 0.35rem;
}

.tech-grid--personal {
  margin-top: 0.35rem;
}

.tech-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  border: 1px solid var(--bd);
  padding: 0.45rem 0.85rem;
  border-radius: var(--radius-full);
  font-size: 0.84rem;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.tech-pill--work {
  background: rgba(0, 245, 255, 0.05);
}

.tech-pill--personal {
  background: rgba(191, 0, 255, 0.06);
}

.tech-pill:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.2);
  border-color: var(--tag-bd, var(--p));
}

.tech-pill__name {
  color: var(--tag-fg, var(--tx));
  font-weight: 600;
}

.tech-pill__emoji {
  font-size: 1rem;
  line-height: 1;
}

.tech-pill i {
  font-size: 1.15rem;
  opacity: 0.95;
}

/* Footer */
.site-footer {
  text-align: center;
  padding: var(--space-2xl) 0;
  color: var(--mu);
  font-size: 0.85rem;
  border-top: 1px solid var(--bd);
  margin-top: var(--space-xl);
}

.site-footer span {
  color: var(--p);
}

/* Contact — large tap targets for mobile */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 260px), 1fr));
  gap: clamp(0.65rem, 2vw, 0.85rem);
}

.contact-card {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  min-height: 4.25rem;
  padding: 0.85rem 1rem;
  background: var(--card);
  border: 1px solid var(--bd);
  border-radius: var(--radius-md);
  text-decoration: none;
  color: inherit;
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
  -webkit-tap-highlight-color: transparent;
}

.contact-card:hover,
.contact-card:focus-visible {
  border-color: var(--p);
  box-shadow: var(--shadow-glow);
  transform: translateY(-2px);
  outline: none;
}

.contact-card:active {
  transform: scale(0.98);
}

.contact-card__icon {
  flex-shrink: 0;
  width: 2.5rem;
  height: 2.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  background: rgba(0, 245, 255, 0.08);
  border: 1px solid var(--bd);
  border-radius: var(--radius-sm);
}

[data-theme='light'] .contact-card__icon {
  background: rgba(40, 52, 196, 0.06);
}

.contact-card__body {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.contact-card__label {
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--p);
}

.contact-card__value {
  font-size: clamp(0.88rem, 2.5vw, 0.95rem);
  color: var(--tx);
  word-break: break-word;
  line-height: 1.35;
}

.contact-card__action {
  flex-shrink: 0;
  font-size: 1.1rem;
  color: var(--mu);
  transition: color var(--transition), transform var(--transition);
}

.contact-card:hover .contact-card__action {
  color: var(--p);
  transform: translateX(3px);
}

.u-mt {
  margin-top: var(--space-md);
}

.u-mt-sm {
  margin-top: var(--space-sm);
}

/* Responsive — tablet */
@media (max-width: 768px) {
  .grid--projects {
    grid-template-columns: 1fr;
  }

  .project-card--featured {
    grid-column: 1;
  }
}

/* Responsive — mobile */
@media (max-width: 640px) {
  .nav__toggle {
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .nav__panel {
    display: none;
    position: fixed;
    top: var(--nav-h);
    left: 0;
    right: 0;
    background: var(--nb);
    border-bottom: 1px solid var(--bd);
    padding: var(--space-md) clamp(1rem, 4vw, 1.5rem);
    backdrop-filter: blur(12px);
    z-index: 99;
  }

  .nav__panel.is-open {
    display: block;
  }

  .nav__links {
    flex-direction: column;
    align-items: stretch;
    gap: 0.25rem;
  }

  .nav__links a {
    padding: 0.65rem 0.5rem;
    font-size: 0.9rem;
  }

  .nav__brand {
    max-width: 55vw;
  }

  .hero {
    padding-top: 2rem;
  }

  .timeline__item {
    padding-left: 0.85rem;
  }
}

@media (max-width: 640px) {
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .contact-card {
    min-height: 3.75rem;
    padding: 0.9rem 1rem;
  }

  .hero__meta {
    gap: 1.25rem;
  }

  .badge-list {
    gap: 0.55rem;
  }

  .badge {
    flex: 1 1 calc(50% - 0.35rem);
    min-width: min(100%, 10.5rem);
    max-width: 100%;
    padding: 0.5rem 0.75rem;
  }

  .badge__text {
    text-align: center;
  }

  .link-list {
    gap: 0.55rem;
  }

  .link-list a {
    flex: 1 1 calc(33.333% - 0.5rem);
    min-width: 5.5rem;
    padding: 0.5rem 0.65rem;
    font-size: 0.8rem;
  }
}

@media (max-width: 380px) {
  .badge {
    flex: 1 1 100%;
  }

  .link-list a {
    flex: 1 1 calc(50% - 0.35rem);
    min-width: 6.5rem;
  }
}