:root {
  color-scheme: dark;
  --bg: #070907;
  --bg-2: #0b110d;
  --panel: rgba(13, 20, 16, 0.82);
  --panel-2: #101713;
  --line: rgba(171, 255, 203, 0.16);
  --line-strong: rgba(16, 245, 155, 0.48);
  --text: #f3f8f4;
  --muted: #9faea4;
  --muted-2: #c8d4cc;
  --accent: #10f59b;
  --accent-2: #57d7ff;
  --warning: #ffd166;
  --danger: #ff5c7a;
  --shadow: 0 30px 80px rgba(0, 0, 0, 0.45);
  --radius: 8px;
  --max: 1180px;
  --font: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --mono: "JetBrains Mono", "SFMono-Regular", Consolas, monospace;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  background:
    radial-gradient(circle at 18% 8%, rgba(16, 245, 155, 0.11), transparent 28%),
    radial-gradient(circle at 90% 18%, rgba(87, 215, 255, 0.07), transparent 30%),
    linear-gradient(180deg, #050705 0%, var(--bg) 34%, #060806 100%);
  color: var(--text);
  font-family: var(--font);
  line-height: 1.6;
}

body.nav-open {
  overflow: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  pointer-events: none;
  background:
    linear-gradient(rgba(171, 255, 203, 0.028) 1px, transparent 1px),
    linear-gradient(90deg, rgba(171, 255, 203, 0.024) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: linear-gradient(180deg, black, transparent 88%);
}

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

button,
input {
  font: inherit;
}

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

h1,
h2,
h3,
p {
  margin-top: 0;
}

ul {
  margin: 0;
  padding: 0;
}

li {
  list-style: none;
}

::selection {
  background: rgba(16, 245, 155, 0.28);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 100;
  padding: 10px 14px;
  border-radius: var(--radius);
  background: var(--accent);
  color: #021107;
  transform: translateY(-150%);
  transition: transform 180ms ease;
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 40;
  border-bottom: 1px solid transparent;
  background: rgba(7, 9, 7, 0.58);
  backdrop-filter: blur(18px);
  transition: border-color 180ms ease, background 180ms ease;
}

.site-header.is-scrolled {
  border-color: var(--line);
  background: rgba(7, 9, 7, 0.9);
}

.nav {
  width: min(100% - 40px, var(--max));
  height: 76px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.brand-mark {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: rgba(16, 245, 155, 0.08);
  color: var(--accent);
  font-family: var(--mono);
  font-weight: 800;
  box-shadow: 0 0 26px rgba(16, 245, 155, 0.16);
}

.brand strong,
.brand small {
  display: block;
}

.brand strong {
  font-size: 0.98rem;
}

.brand small {
  color: var(--muted);
  font-size: 0.75rem;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--muted-2);
  font-size: 0.92rem;
}

.nav-menu a {
  padding: 9px 11px;
  border-radius: var(--radius);
  transition: background 160ms ease, color 160ms ease;
}

.nav-menu a:hover,
.nav-menu a.is-active {
  background: rgba(16, 245, 155, 0.1);
  color: var(--text);
}

.nav-menu .nav-cta {
  margin-left: 4px;
  background: var(--accent);
  color: #061107;
  font-weight: 800;
}

.nav-menu .nav-cta:hover,
.nav-menu .nav-cta.is-active {
  background: #76ffc2;
  color: #061107;
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: rgba(13, 20, 16, 0.86);
  color: var(--accent);
}

.nav-toggle span:not(.sr-only) {
  display: block;
  width: 18px;
  height: 2px;
  margin: 5px auto;
  border-radius: 2px;
  background: currentColor;
  transition: transform 160ms ease;
}

.section {
  width: min(100% - 40px, var(--max));
  margin: 0 auto;
  padding: 96px 0;
}

section[id] {
  scroll-margin-top: 132px;
}

.section-frame {
  width: min(100% - 40px, calc(var(--max) + 70px));
  margin: 0 auto;
}

.hero {
  position: relative;
  min-height: 100vh;
  display: grid;
  align-items: center;
  padding-top: 116px;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 78px 0 38px;
  z-index: -1;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    linear-gradient(115deg, rgba(13, 20, 16, 0.96), rgba(13, 20, 16, 0.62)),
    radial-gradient(circle at 80% 20%, rgba(16, 245, 155, 0.14), transparent 34%);
  box-shadow: var(--shadow);
}

.hero-bg span {
  position: absolute;
  border: 1px solid rgba(16, 245, 155, 0.16);
  border-radius: 50%;
}

.hero-bg span:nth-child(1) {
  width: 420px;
  height: 420px;
  right: 9%;
  top: 8%;
}

.hero-bg span:nth-child(2) {
  width: 260px;
  height: 260px;
  right: 26%;
  bottom: 10%;
}

.hero-bg span:nth-child(3) {
  width: 12px;
  height: 12px;
  right: 28%;
  top: 31%;
  background: var(--accent);
  box-shadow: 0 0 38px var(--accent);
}

.hero-inner {
  width: min(100% - 56px, var(--max));
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(390px, 0.78fr);
  gap: 44px;
  align-items: center;
}

.eyebrow {
  margin-bottom: 14px;
  color: var(--accent);
  font-family: var(--mono);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1 {
  max-width: 780px;
  margin-bottom: 22px;
  font-size: clamp(3rem, 7vw, 5.8rem);
  line-height: 0.94;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 0;
  font-size: clamp(2rem, 4vw, 3.4rem);
  line-height: 1.02;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 10px;
  font-size: 1.15rem;
  line-height: 1.22;
}

.hero-lead {
  max-width: 760px;
  margin-bottom: 30px;
  color: var(--muted-2);
  font-size: 1.12rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  padding: 12px 18px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  font-weight: 800;
  transition: transform 160ms ease, background 160ms ease, border-color 160ms ease;
}

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

.button-primary {
  border-color: transparent;
  background: var(--accent);
  color: #061107;
}

.button-secondary {
  background: rgba(16, 245, 155, 0.08);
  color: var(--text);
}

.button-ghost {
  border-color: var(--line);
  color: var(--muted-2);
}

.signal-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 26px;
}

.signal-strip span {
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(7, 9, 7, 0.64);
  color: var(--muted-2);
  font-family: var(--mono);
  font-size: 0.78rem;
}

.evidence-board {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.proof-card {
  position: relative;
  min-height: 180px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(7, 9, 7, 0.72);
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.22);
}

.proof-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.proof-card-large {
  grid-column: span 2;
  height: 260px;
}

.proof-card-large img {
  object-position: center 34%;
}

.proof-card::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 42%;
  background: linear-gradient(180deg, transparent, rgba(0, 0, 0, 0.88));
}

.proof-card div {
  position: absolute;
  right: 16px;
  bottom: 14px;
  left: 16px;
  z-index: 1;
}

.proof-card span,
.proof-card p {
  color: var(--muted-2);
}

.proof-card strong {
  display: block;
  color: var(--text);
}

.proof-card-dark {
  display: flex;
  min-height: 160px;
  flex-direction: column;
  justify-content: flex-end;
  padding: 18px;
  background:
    linear-gradient(145deg, rgba(16, 245, 155, 0.12), rgba(87, 215, 255, 0.04)),
    #0a100c;
}

.proof-card-dark::after {
  display: none;
}

.proof-card-dark p {
  margin-bottom: 0;
}

.proof-number {
  color: var(--text) !important;
  font-family: var(--mono);
  font-size: 3rem;
  font-weight: 800;
  line-height: 1;
}

.proof-card-image {
  min-height: 160px;
}

.section-heading {
  max-width: 820px;
  margin-bottom: 34px;
}

.section-heading-split {
  max-width: none;
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(280px, 0.62fr);
  gap: 36px;
  align-items: end;
}

.section-heading p:not(.eyebrow) {
  margin-bottom: 0;
  color: var(--muted-2);
}

.recruiter-strip {
  padding-top: 74px;
}

.recruiter-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}

.recruiter-grid article,
.stack-grid article,
.experience-card,
.lab-dashboard article {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(13, 20, 16, 0.72);
}

.recruiter-grid article {
  padding: 22px;
}

.recruiter-grid span {
  display: inline-block;
  margin-bottom: 22px;
  color: var(--accent-2);
  font-family: var(--mono);
  font-weight: 800;
}

.recruiter-grid p,
.stack-grid p,
.experience-card p,
.experience-card li {
  color: var(--muted-2);
}

.skills-section {
  width: min(100% - 40px, calc(var(--max) + 70px));
}

.skills-board {
  display: grid;
  grid-template-columns: minmax(0, 1.18fr) minmax(320px, 0.82fr);
  gap: 14px;
}

.skills-card,
.deliverable-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(13, 20, 16, 0.76);
}

.skills-card {
  padding: 24px;
}

.skills-card > span,
.deliverable-card span {
  color: var(--accent);
  font-family: var(--mono);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.skills-card h3 {
  margin-top: 8px;
  font-size: 1.5rem;
}

.hard-skills {
  background:
    linear-gradient(135deg, rgba(16, 245, 155, 0.1), transparent),
    rgba(13, 20, 16, 0.82);
}

.skill-groups {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.skill-groups div {
  min-height: 136px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(7, 9, 7, 0.54);
}

.skill-groups strong {
  display: block;
  margin-bottom: 8px;
  color: var(--text);
}

.skill-groups p,
.deliverable-card p {
  margin-bottom: 0;
  color: var(--muted-2);
}

.soft-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.soft-list li {
  padding: 10px 11px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(16, 245, 155, 0.07);
  color: var(--muted-2);
}

.deliverables-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 14px;
}

.deliverable-card {
  display: grid;
  gap: 8px;
  padding: 20px;
  transition: border-color 160ms ease, background 160ms ease, transform 160ms ease;
}

.deliverable-card:hover {
  border-color: var(--line-strong);
  background: rgba(16, 245, 155, 0.08);
  transform: translateY(-2px);
}

.deliverable-card strong {
  font-size: 1.1rem;
}

.lab-section {
  width: min(100% - 40px, calc(var(--max) + 70px));
}

.lab-dashboard {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-bottom: 18px;
}

.lab-dashboard article {
  padding: 20px;
}

.lab-dashboard span {
  display: block;
  color: var(--accent);
  font-family: var(--mono);
  font-size: 2.35rem;
  font-weight: 800;
  line-height: 1;
}

.lab-dashboard p {
  margin: 8px 0 0;
  color: var(--muted);
}

.vault-shell {
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background:
    linear-gradient(180deg, rgba(16, 245, 155, 0.06), transparent),
    var(--panel);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.vault-toolbar {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 16px;
  border-bottom: 1px solid var(--line);
}

.filter-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.filter-tabs button,
.search-field input {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(7, 9, 7, 0.72);
  color: var(--muted-2);
}

.filter-tabs button {
  min-height: 40px;
  padding: 8px 12px;
  cursor: pointer;
}

.filter-tabs button.is-active,
.filter-tabs button:hover {
  border-color: var(--line-strong);
  background: rgba(16, 245, 155, 0.12);
  color: var(--text);
}

.search-field {
  min-width: 280px;
  flex: 0 1 340px;
}

.search-field input {
  width: 100%;
  min-height: 40px;
  padding: 9px 12px;
  outline: none;
}

.search-field input:focus {
  border-color: var(--line-strong);
  box-shadow: 0 0 0 3px rgba(16, 245, 155, 0.1);
}

.vault-layout {
  display: grid;
  grid-template-columns: minmax(280px, 0.86fr) minmax(320px, 1fr);
  min-height: 520px;
}

.writeup-list {
  max-height: 560px;
  overflow-y: auto;
  padding: 14px;
  border-right: 1px solid var(--line);
}

.writeup-item {
  width: 100%;
  display: grid;
  gap: 7px;
  margin-bottom: 10px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(7, 9, 7, 0.64);
  color: var(--text);
  text-align: left;
  cursor: pointer;
  transition: border-color 160ms ease, background 160ms ease, transform 160ms ease;
}

.writeup-item:hover,
.writeup-item.is-selected {
  border-color: var(--line-strong);
  background: rgba(16, 245, 155, 0.09);
  transform: translateY(-1px);
}

.writeup-item strong {
  font-size: 1rem;
}

.writeup-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.writeup-meta span {
  padding: 4px 7px;
  border-radius: 999px;
  background: rgba(16, 245, 155, 0.1);
  color: var(--muted-2);
  font-family: var(--mono);
  font-size: 0.7rem;
}

.writeup-preview {
  padding: 28px;
}

.writeup-preview h3 {
  font-size: 1.85rem;
}

.writeup-preview p,
.writeup-preview li {
  color: var(--muted-2);
}

.preview-path {
  display: block;
  margin: 18px 0;
  padding: 12px;
  overflow-wrap: anywhere;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #050705;
  color: var(--accent);
  font-family: var(--mono);
  font-size: 0.82rem;
}

.preview-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 18px;
}

.preview-tags span {
  padding: 7px 9px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted-2);
  font-family: var(--mono);
  font-size: 0.78rem;
}

.image-section,
.experience-section,
.teaching-section {
  width: min(100% - 40px, calc(var(--max) + 70px));
}

.cert-gallery {
  display: grid;
  grid-template-columns: 1.25fr repeat(2, 0.8fr);
  gap: 14px;
}

.cert-gallery article {
  min-height: 240px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel-2);
}

.cert-gallery img {
  width: 100%;
  height: 190px;
  object-fit: cover;
  object-position: center;
}

.cert-gallery h3 {
  margin: 0;
  padding: 16px;
}

.cert-feature {
  grid-row: span 2;
  display: grid;
  min-height: 496px;
}

.cert-feature img {
  height: 365px;
  object-position: center 28%;
}

.cert-feature div {
  padding: 20px;
}

.cert-feature span {
  color: var(--accent);
  font-family: var(--mono);
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
}

.cert-feature h3 {
  padding: 0;
  margin: 8px 0;
}

.cert-feature p {
  margin-bottom: 0;
  color: var(--muted-2);
}

.experience-grid {
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  gap: 14px;
}

.experience-card {
  padding: 24px;
}

.experience-card.current {
  background:
    linear-gradient(135deg, rgba(16, 245, 155, 0.11), transparent),
    rgba(13, 20, 16, 0.82);
}

.experience-card span {
  color: var(--accent);
  font-family: var(--mono);
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
}

.experience-card li {
  position: relative;
  padding-left: 18px;
}

.experience-card li + li {
  margin-top: 8px;
}

.experience-card li::before {
  content: "";
  position: absolute;
  top: 0.72em;
  left: 0;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
}

.infra-showcase {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr 0.9fr;
  gap: 14px;
  margin-top: 14px;
}

.infra-showcase img {
  width: 100%;
  height: 250px;
  object-fit: cover;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.teaching-card {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 24px;
  align-items: center;
  padding: 24px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, rgba(16, 245, 155, 0.14), rgba(87, 215, 255, 0.04)),
    var(--panel);
  box-shadow: var(--shadow);
}

.teaching-copy p:not(.eyebrow) {
  color: var(--muted-2);
}

.teaching-images {
  display: grid;
  gap: 14px;
}

.teaching-images img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.stack-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}

.stack-grid article {
  padding: 22px;
}

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

.contact-card {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(300px, 0.58fr);
  gap: 32px;
  padding: 28px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: #0b110d;
  box-shadow: var(--shadow);
}

.contact-card p {
  color: var(--muted-2);
}

.contact-links {
  display: grid;
  gap: 10px;
}

.contact-links a {
  display: flex;
  min-height: 52px;
  align-items: center;
  justify-content: space-between;
  padding: 13px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--text);
}

.contact-links a::after {
  content: "↗";
  color: var(--accent);
}

.contact-links a:hover {
  border-color: var(--line-strong);
  background: rgba(16, 245, 155, 0.08);
}

.footer {
  width: min(100% - 40px, var(--max));
  margin: 0 auto;
  padding: 28px 0 44px;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  color: var(--muted);
  font-size: 0.9rem;
}

.footer p {
  margin: 0;
}

.footer a {
  color: var(--accent);
  font-weight: 800;
}

@media (max-width: 1120px) {
  .hero-inner,
  .skills-board,
  .teaching-card,
  .contact-card {
    grid-template-columns: 1fr;
  }

  .evidence-board {
    max-width: 780px;
  }

  .recruiter-grid,
  .stack-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .cert-feature {
    grid-column: span 2;
    grid-row: auto;
  }
}

@media (max-width: 820px) {
  .nav {
    width: min(100% - 28px, var(--max));
    height: 68px;
  }

  .nav-toggle {
    display: block;
  }

  .nav-toggle[aria-expanded="true"] span:nth-child(2) {
    transform: translateY(7px) rotate(45deg);
  }

  .nav-toggle[aria-expanded="true"] span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }

  .nav-menu {
    position: fixed;
    top: 68px;
    right: 14px;
    left: 14px;
    display: grid;
    padding: 12px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: rgba(7, 9, 7, 0.97);
    box-shadow: var(--shadow);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-10px);
    transition: opacity 160ms ease, transform 160ms ease;
  }

  body.nav-open .nav-menu {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }

  .nav-menu .nav-cta {
    margin-left: 0;
  }

  .section,
  .section-frame,
  .lab-section,
  .skills-section,
  .image-section,
  .experience-section,
  .teaching-section {
    width: min(100% - 28px, var(--max));
    padding: 72px 0;
  }

  .hero {
    padding-top: 96px;
  }

  .hero-bg {
    inset: 74px 0 26px;
  }

  .hero-inner {
    width: min(100% - 28px, var(--max));
    gap: 28px;
  }

  .section-heading-split,
  .experience-grid,
  .infra-showcase,
  .deliverables-row,
  .vault-layout,
  .vault-toolbar {
    grid-template-columns: 1fr;
  }

  .vault-toolbar {
    display: grid;
  }

  .search-field {
    min-width: 0;
    flex-basis: auto;
  }

  .writeup-list {
    max-height: 420px;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .lab-dashboard {
    grid-template-columns: repeat(2, 1fr);
  }

  .proof-card-large {
    height: 220px;
  }

  .infra-showcase img,
  .teaching-images img {
    height: 210px;
  }
}

@media (max-width: 620px) {
  h1 {
    font-size: 2.75rem;
  }

  h2 {
    font-size: 2rem;
  }

  .hero-lead {
    font-size: 1rem;
  }

  .evidence-board,
  .recruiter-grid,
  .stack-grid,
  .cert-gallery,
  .skill-groups,
  .soft-list,
  .lab-dashboard {
    grid-template-columns: 1fr;
  }

  .proof-card-large,
  .cert-feature {
    grid-column: auto;
  }

  .cert-feature,
  .cert-gallery article {
    min-height: auto;
  }

  .cert-feature img,
  .cert-gallery img {
    height: 210px;
  }

  .hero-actions .button {
    width: 100%;
  }

  .footer {
    width: min(100% - 28px, var(--max));
    display: grid;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.001ms !important;
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
  }
}