:root {
  --bg: #f3f4f6;
  --bg-elevated: rgba(255, 255, 255, 0.9);
  --bg-strong: #ffffff;
  --surface-border: rgba(17, 24, 39, 0.1);
  --surface-shadow: 0 14px 34px rgba(15, 23, 42, 0.08);
  --text: #0b1220;
  --text-muted: #334155;
  --text-soft: #64748b;
  --primary: #13294b;
  --primary-strong: #0f2038;
  --accent: #111827;
  --accent-soft: rgba(17, 24, 39, 0.08);
  --success: #1d4d2f;
  --line: rgba(15, 23, 42, 0.08);
  --chip: rgba(19, 41, 75, 0.08);
  --hero-grid: linear-gradient(125deg, rgba(19, 41, 75, 0.08), rgba(148, 163, 184, 0.12));
  --radius-lg: 28px;
  --radius-md: 20px;
  --radius-sm: 14px;
  --container: min(1160px, calc(100vw - 2rem));
  --nav-height: 86px;
}

html[data-theme="dark"] {
  --bg: #05070c;
  --bg-elevated: rgba(11, 18, 32, 0.84);
  --bg-strong: #0c1527;
  --surface-border: rgba(148, 163, 184, 0.2);
  --surface-shadow: 0 18px 45px rgba(2, 6, 15, 0.46);
  --text: #e5e7eb;
  --text-muted: #cbd5e1;
  --text-soft: #94a3b8;
  --primary: #8eb8ff;
  --primary-strong: #c0d8ff;
  --accent: #f3f4f6;
  --accent-soft: rgba(148, 163, 184, 0.18);
  --success: #86efac;
  --line: rgba(148, 163, 184, 0.12);
  --chip: rgba(142, 184, 255, 0.14);
  --hero-grid: linear-gradient(125deg, rgba(142, 184, 255, 0.12), rgba(148, 163, 184, 0.12));
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Manrope", sans-serif;
  background:
    radial-gradient(circle at top left, rgba(15, 23, 42, 0.06), transparent 34%),
    radial-gradient(circle at top right, rgba(148, 163, 184, 0.14), transparent 28%),
    var(--bg);
  color: var(--text);
  line-height: 1.6;
}

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

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

button,
input,
textarea {
  font: inherit;
}

.page-shell {
  position: relative;
  overflow: clip;
}

.container {
  width: var(--container);
  margin: 0 auto;
}

.section {
  position: relative;
  padding: 104px 0;
}

.section-stack {
  display: grid;
  gap: 2rem;
}

.section-heading {
  max-width: 760px;
}

.section-heading h2 {
  margin: 0;
  font-family: "Space Grotesk", sans-serif;
  font-size: clamp(1.65rem, 3.5vw, 2.85rem);
  line-height: 1.15;
}

.section-heading p {
  margin: 1rem 0 0;
  color: var(--text-muted);
  font-size: 1.05rem;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin: 0 0 1rem;
  color: var(--primary);
  font-size: 0.9rem;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.eyebrow.small {
  font-size: 0.76rem;
  margin-bottom: 0.5rem;
}

.glass-card {
  background: var(--bg-elevated);
  border: 1px solid var(--surface-border);
  box-shadow: var(--surface-shadow);
  backdrop-filter: blur(20px);
  border-radius: var(--radius-lg);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  backdrop-filter: blur(18px);
  background: color-mix(in srgb, var(--bg) 86%, transparent);
  border-bottom: 1px solid var(--line);
}

.nav-shell {
  min-height: var(--nav-height);
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.85rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
  font-family: "Space Grotesk", sans-serif;
}

.brand-text {
  font-size: 1rem;
}

.site-nav {
  justify-self: center;
  display: flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.35rem;
  border-radius: 999px;
  background: var(--bg-elevated);
  border: 1px solid var(--surface-border);
}

.nav-link {
  padding: 0.7rem 1rem;
  border-radius: 999px;
  color: var(--text-soft);
  font-weight: 700;
  transition: 0.25s ease;
}

.nav-link:hover,
.nav-link.active {
  color: var(--text);
  background: var(--chip);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.menu-toggle,
.theme-toggle {
  width: 46px;
  height: 46px;
  border: 1px solid var(--surface-border);
  background: var(--bg-elevated);
  color: var(--text);
  border-radius: 14px;
  display: grid;
  place-items: center;
}

.menu-toggle {
  display: none;
  gap: 0.25rem;
}

.menu-toggle span {
  width: 18px;
  height: 2px;
  border-radius: 999px;
  background: currentColor;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  min-height: 48px;
  padding: 0.78rem 1.2rem;
  border-radius: 14px;
  border: 1px solid transparent;
  font-weight: 800;
  transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease, border-color 0.25s ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-strong));
  color: #fff;
  box-shadow: 0 10px 22px rgba(19, 41, 75, 0.28);
}

.button-secondary {
  background: var(--bg-strong);
  border-color: var(--surface-border);
  color: var(--text);
}

.button-ghost {
  background: transparent;
  border-color: var(--surface-border);
  color: var(--text);
}

.is-disabled {
  opacity: 0.6;
  pointer-events: none;
}

.hero-section {
  padding-top: 72px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  gap: 2rem;
  align-items: center;
}

.hero-copy h1 {
  margin: 0;
  font-family: "Space Grotesk", sans-serif;
  font-size: clamp(2.25rem, 5vw, 4.2rem);
  line-height: 0.95;
  letter-spacing: -0.05em;
}

.gradient-text {
  display: block;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-role {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.9rem;
  margin: 1.4rem 0 0;
  font-weight: 800;
  color: var(--text-muted);
}

.separator {
  opacity: 0.35;
}

.hero-summary {
  max-width: 680px;
  margin: 1.4rem 0 0;
  color: var(--text-muted);
  font-size: 1rem;
}

.hero-actions,
.social-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
}

.hero-actions {
  margin-top: 1.8rem;
}

.social-row {
  margin-top: 1.8rem;
}

.social-row a {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.9rem 1rem;
  border-radius: 999px;
  background: var(--bg-elevated);
  border: 1px solid var(--surface-border);
  color: var(--text-muted);
  font-weight: 700;
  transition: 0.25s ease;
}

.social-row a:hover {
  color: var(--text);
  transform: translateY(-2px);
}

.hero-visual {
  display: grid;
  gap: 1rem;
}

.hero-card,
.stat-card,
.project-card,
.profile-stat,
.embed-card,
.cert-card,
.timeline-item,
.contact-panel,
.contact-form,
.education-panel,
.skill-group,
.mini-card,
.story-card,
.about-panel {
  transition: transform 0.28s ease, border-color 0.28s ease, box-shadow 0.28s ease;
}

.hero-card:hover,
.stat-card:hover,
.project-card:hover,
.profile-stat:hover,
.embed-card:hover,
.cert-card:hover,
.timeline-item:hover,
.skill-group:hover,
.mini-card:hover,
.story-card:hover,
.contact-panel:hover,
.contact-form:hover,
.education-panel:hover,
.about-panel:hover {
  transform: translateY(-3px);
  border-color: color-mix(in srgb, var(--primary) 28%, var(--surface-border));
}

.profile-card {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 1.2rem;
  padding: 1.3rem;
  background: var(--hero-grid);
  border: 1px solid var(--surface-border);
  border-radius: 32px;
}

.profile-photo-wrap {
  position: relative;
  padding: 0.35rem;
  border-radius: 28px;
  background: rgba(255, 255, 255, 0.32);
}

.profile-photo,
.about-photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.profile-photo {
  min-height: 300px;
  border-radius: 24px;
}

.profile-meta {
  display: grid;
  align-content: center;
  gap: 0.9rem;
}

.profile-meta h2,
.story-card h3,
.mini-card h3,
.skill-group h3,
.project-card h3,
.profile-stat h3,
.embed-card h3,
.cert-card h3,
.timeline-item h3,
.contact-panel h3,
.education-panel h3 {
  margin: 0;
  font-size: 1.22rem;
  line-height: 1.25;
}

.profile-badge,
.fact-label {
  margin: 0;
  color: var(--primary);
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.profile-points {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.profile-points span,
.chip-list span,
.project-tag,
.availability-card {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
}

.profile-points span,
.chip-list span,
.project-tag {
  padding: 0.55rem 0.75rem;
  border-radius: 999px;
  background: var(--chip);
  color: var(--text);
  font-weight: 700;
  font-size: 0.86rem;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.stat-card {
  padding: 1.2rem;
  background: var(--bg-elevated);
  border-radius: var(--radius-md);
  border: 1px solid var(--surface-border);
  box-shadow: var(--surface-shadow);
}

.stat-label,
.stat-footnote {
  display: block;
}

.stat-label {
  color: var(--text-soft);
  font-size: 0.9rem;
}

.stat-number {
  display: inline-block;
  margin-top: 0.55rem;
  font-family: "Space Grotesk", sans-serif;
  font-size: clamp(2rem, 4vw, 2.8rem);
}

.stat-footnote {
  margin-top: 0.4rem;
  color: var(--text-soft);
  font-size: 0.86rem;
}

.about-grid {
  display: grid;
  grid-template-columns: 0.92fr 1.08fr;
  gap: 1.4rem;
}

.about-panel {
  overflow: hidden;
}

.about-photo {
  height: 320px;
}

.about-facts {
  display: grid;
  gap: 1rem;
  padding: 1.4rem;
}

.about-content,
.mini-grid {
  display: grid;
  gap: 1rem;
}

.story-card,
.mini-card,
.skill-group,
.profile-stat,
.embed-card,
.cert-card,
.timeline-item,
.contact-panel,
.contact-form,
.education-panel {
  padding: 1.4rem;
}

.mini-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.mini-icon {
  width: 52px;
  height: 52px;
  display: grid;
  place-items: center;
  border-radius: 16px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 1.2rem;
}

.mini-card p,
.story-card p,
.timeline-item p,
.profile-stat p,
.cert-card p,
.contact-panel p,
.education-grid p,
.project-card p {
  margin: 0.65rem 0 0;
  color: var(--text-muted);
}

.skills-grid,
.projects-grid,
.profiles-overview,
.stats-grid,
.cert-grid,
.contact-grid,
.education-grid {
  display: grid;
  gap: 1rem;
}

.skills-grid,
.cert-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.skill-group-head,
.card-header-inline,
.project-topline,
.form-actions,
.footer-shell,
.contact-shortcuts {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.8rem;
}

.skill-group-head i {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  border-radius: 15px;
  background: var(--chip);
  color: var(--primary);
}

.chip-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-top: 1rem;
}

.chip-list.compact span,
.project-tag {
  font-size: 0.82rem;
  padding: 0.48rem 0.68rem;
}

.project-tag.muted {
  background: transparent;
  border: 1px solid var(--surface-border);
  color: var(--text-soft);
}

.meter-list {
  display: grid;
  gap: 0.9rem;
  margin-top: 1rem;
}

.meter {
  display: grid;
  gap: 0.45rem;
}

.meter span {
  font-size: 0.86rem;
  font-weight: 700;
}

.meter div {
  height: 10px;
  overflow: hidden;
  border-radius: 999px;
  background: rgba(148, 163, 184, 0.18);
}

.meter i {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(135deg, var(--primary), var(--accent));
}

.filter-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
}

.filter-chip {
  border: 1px solid var(--surface-border);
  background: var(--bg-elevated);
  color: var(--text-muted);
  padding: 0.7rem 1rem;
  border-radius: 999px;
  font-weight: 800;
}

.filter-chip.active,
.filter-chip:hover {
  background: var(--chip);
  color: var(--text);
}

.projects-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.project-card {
  overflow: hidden;
}

.project-card.is-hidden {
  display: none;
}

.project-image,
.cert-image {
  width: 100%;
  object-fit: cover;
}

.project-image {
  aspect-ratio: 16 / 10;
}

.project-body {
  padding: 1.3rem;
}

.project-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 1rem;
}

.profiles-overview {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.metric-list {
  list-style: none;
  display: grid;
  gap: 0.9rem;
  padding: 0;
  margin: 1rem 0 0;
}

.metric-list li {
  display: flex;
  align-items: baseline;
  gap: 0.7rem;
}

.metric-list strong {
  min-width: 78px;
  font-family: "Space Grotesk", sans-serif;
  font-size: 1.4rem;
}

.metric-list span,
.text-link,
.form-note,
.footer-copy,
.footer-links a {
  color: var(--text-soft);
}

.text-link {
  font-weight: 800;
}

.stats-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.embed-card.wide {
  grid-column: span 2;
}

.embed-image {
  width: 100%;
  margin-top: 1rem;
  border-radius: 18px;
}

.contribution-graph {
  background: #fff;
  padding: 1rem;
}

.cert-grid {
  align-items: stretch;
}

.cert-card {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 1rem;
  align-items: center;
}

.cert-image {
  height: 190px;
  object-fit: contain;
  background: #fff;
  border-radius: 18px;
}

.timeline {
  position: relative;
  display: grid;
  gap: 1rem;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 15px;
  top: 10px;
  bottom: 10px;
  width: 2px;
  background: linear-gradient(var(--primary), rgba(148, 163, 184, 0.18));
}

.timeline-item {
  position: relative;
  margin-left: 2rem;
}

.timeline-item::before {
  content: "";
  position: absolute;
  left: -2rem;
  top: 1.7rem;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 6px var(--accent-soft);
}

.timeline-date,
.education-grid span {
  color: var(--primary);
  font-weight: 800;
}

.education-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 1rem;
}

.education-grid article {
  padding: 1rem;
  border-radius: 18px;
  background: rgba(148, 163, 184, 0.08);
}

.education-grid h4 {
  margin: 0.45rem 0 0;
}

.contact-grid {
  grid-template-columns: 0.9fr 1.1fr;
}

.contact-list {
  display: grid;
  gap: 1rem;
  margin-top: 1rem;
}

.contact-list a,
.contact-list > span {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--text-muted);
}

.contact-list i {
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  background: var(--chip);
  color: var(--primary);
}

.availability-card {
  margin-top: 1.3rem;
  padding: 0.95rem 1rem;
  border-radius: 18px;
  background: rgba(22, 163, 74, 0.1);
  color: var(--text);
  font-weight: 700;
}

.availability-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 0 6px rgba(22, 163, 74, 0.18);
}

.contact-shortcuts {
  margin-top: 1.3rem;
  justify-content: flex-start;
  flex-wrap: wrap;
}

.contact-form label {
  display: grid;
  gap: 0.55rem;
}

.field-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 0.95rem 1rem;
  border-radius: 16px;
  border: 1px solid var(--surface-border);
  background: var(--bg-strong);
  color: var(--text);
}

.contact-form textarea {
  resize: vertical;
  min-height: 170px;
}

.contact-form {
  display: grid;
  gap: 1rem;
}

.form-actions {
  flex-wrap: wrap;
  justify-content: flex-start;
}

.site-footer {
  padding: 0 0 40px;
}

.footer-shell {
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
}

.footer-title {
  margin: 0;
  font-weight: 800;
}

.footer-copy {
  margin: 0.35rem 0 0;
}

.footer-links {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.orb {
  position: absolute;
  border-radius: 999px;
  filter: blur(25px);
  opacity: 0.3;
  pointer-events: none;
}

.orb-one {
  width: 260px;
  height: 260px;
  background: rgba(19, 41, 75, 0.14);
  top: 90px;
  right: 8%;
}

.orb-two {
  width: 220px;
  height: 220px;
  background: rgba(148, 163, 184, 0.2);
  left: -60px;
  bottom: 40px;
}

/* Reference-inspired professional dark portfolio look */
html[data-theme="dark"] body {
  background:
    radial-gradient(circle at 10% 10%, rgba(59, 130, 246, 0.12), transparent 30%),
    radial-gradient(circle at 90% 15%, rgba(168, 85, 247, 0.12), transparent 26%),
    radial-gradient(circle at 50% 100%, rgba(56, 189, 248, 0.08), transparent 32%),
    var(--bg);
}

.site-header {
  background: color-mix(in srgb, var(--bg) 76%, transparent);
  border-bottom: 1px solid rgba(148, 163, 184, 0.16);
}

.brand-text {
  font-family: "Space Grotesk", sans-serif;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-size: 0.95rem;
}

.site-nav {
  background: transparent;
  border: none;
  padding: 0;
}

.nav-link {
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-soft);
}

.nav-link:hover,
.nav-link.active {
  color: var(--text);
  background: rgba(148, 163, 184, 0.1);
}

.hero-section {
  padding-top: 88px;
}

.hero-grid {
  align-items: start;
  gap: 2.2rem;
}

.hero-copy h1 {
  line-height: 1.02;
}

.gradient-text {
  background: linear-gradient(135deg, #93c5fd, #c4b5fd);
  -webkit-background-clip: text;
  background-clip: text;
}

.hero-role {
  font-size: 0.95rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.hero-summary {
  max-width: 620px;
  color: var(--text-soft);
}

.profile-card {
  background: linear-gradient(145deg, rgba(15, 23, 42, 0.95), rgba(30, 41, 59, 0.9));
  border: 1px solid rgba(148, 163, 184, 0.24);
}

.profile-badge {
  color: #93c5fd;
}

.profile-meta h2 {
  font-size: 1.05rem;
  color: #e2e8f0;
}

.code-intro {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  font-size: 0.88rem !important;
  line-height: 1.7;
  padding: 0.85rem 0.95rem;
  border-radius: 12px;
  background: rgba(2, 6, 23, 0.6);
  border: 1px solid rgba(148, 163, 184, 0.22);
}

.profile-points span {
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid rgba(148, 163, 184, 0.2);
  color: #e2e8f0;
}

.stat-card,
.glass-card,
.project-card,
.embed-card,
.cert-card,
.timeline-item,
.skill-group,
.contact-panel,
.contact-form,
.education-panel,
.about-panel,
.mini-card,
.story-card,
.profile-stat {
  border: 1px solid rgba(148, 163, 184, 0.18);
}

.section-heading h2 {
  letter-spacing: -0.02em;
}

.section-heading p {
  color: var(--text-soft);
}

.eyebrow {
  color: #93c5fd;
}

.chip-list span,
.project-tag {
  background: rgba(15, 23, 42, 0.58);
  border: 1px solid rgba(148, 163, 184, 0.2);
}

.button-primary {
  background: linear-gradient(135deg, #1d4ed8, #4338ca);
  box-shadow: 0 10px 24px rgba(37, 99, 235, 0.32);
}

.button-secondary,
.button-ghost {
  background: rgba(15, 23, 42, 0.7);
  border-color: rgba(148, 163, 184, 0.25);
}

.filter-chip {
  background: rgba(15, 23, 42, 0.62);
}

.filter-chip.active,
.filter-chip:hover {
  background: rgba(59, 130, 246, 0.2);
}

.project-image {
  border-bottom: 1px solid rgba(148, 163, 184, 0.2);
}

.cert-image {
  border: 1px solid rgba(148, 163, 184, 0.2);
}

.timeline-item::before {
  background: #60a5fa;
  box-shadow: 0 0 0 6px rgba(96, 165, 250, 0.16);
}

.social-row a:hover,
.button:hover,
.hero-card:hover,
.stat-card:hover,
.project-card:hover,
.profile-stat:hover,
.embed-card:hover,
.cert-card:hover,
.timeline-item:hover,
.skill-group:hover,
.mini-card:hover,
.story-card:hover,
.contact-panel:hover,
.contact-form:hover,
.education-panel:hover,
.about-panel:hover {
  transform: translateY(-2px);
}

@media (max-width: 1120px) {
  .site-nav {
    gap: 0;
  }

  .nav-link {
    padding-inline: 0.75rem;
  }

  .hero-grid,
  .about-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .projects-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 860px) {
  .nav-shell {
    grid-template-columns: auto auto auto;
  }

  .menu-toggle {
    display: grid;
    justify-self: end;
  }

  .site-nav {
    position: absolute;
    top: calc(100% + 10px);
    left: 1rem;
    right: 1rem;
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 0.8rem;
    border-radius: 24px;
    background: var(--bg-strong);
  }

  .site-nav.is-open {
    display: flex;
  }

  .nav-actions {
    justify-self: end;
  }

  .nav-cta {
    display: none;
  }

  .profile-card,
  .cert-card,
  .skills-grid,
  .profiles-overview,
  .stats-grid,
  .education-grid,
  .field-grid,
  .mini-grid,
  .hero-stats,
  .projects-grid,
  .cert-grid {
    grid-template-columns: 1fr;
  }

  .embed-card.wide {
    grid-column: auto;
  }
}

@media (max-width: 640px) {
  .section {
    padding: 82px 0;
  }

  .hero-copy h1 {
    font-size: 2.8rem;
  }

  .profile-card {
    grid-template-columns: 1fr;
  }

  .profile-photo {
    min-height: 240px;
  }

  .social-row a,
  .button {
    width: 100%;
  }

  .hero-actions,
  .project-links,
  .contact-shortcuts {
    flex-direction: column;
  }

  .footer-shell {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
}