:root {
  --bg: #020617;
  --bg-2: #07111f;
  --surface: rgba(15, 23, 42, 0.74);
  --surface-2: rgba(15, 23, 42, 0.94);
  --surface-3: rgba(30, 41, 59, 0.62);
  --text: #e5edf8;
  --text-strong: #f8fafc;
  --muted: #9aa8bd;
  --muted-2: #718096;
  --line: rgba(148, 163, 184, 0.18);
  --line-strong: rgba(34, 211, 238, 0.32);
  --cyan: #22d3ee;
  --cyan-2: #67e8f9;
  --green: #34d399;
  --purple: #a78bfa;
  --amber: #fbbf24;
  --danger: #fb7185;
  --shadow: 0 24px 70px rgba(0, 0, 0, 0.34);
  --radius: 24px;
  --radius-sm: 16px;
  --max: 1180px;
  --header-height: 76px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 110px;
  color-scheme: dark;
}

body {
  margin: 0;
  min-height: 100vh;
  overflow-x: hidden;
  background:
    radial-gradient(circle at 0 0, rgba(34, 211, 238, 0.14), transparent 34rem),
    radial-gradient(circle at 100% 6%, rgba(167, 139, 250, 0.13), transparent 34rem),
    linear-gradient(180deg, var(--bg) 0%, var(--bg-2) 46%, var(--bg) 100%);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body.nav-open {
  overflow: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -3;
  background-image:
    linear-gradient(rgba(148, 163, 184, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(148, 163, 184, 0.055) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: linear-gradient(to bottom, black, transparent 78%);
}

.noise {
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.018;
  z-index: -1;
  background-image: linear-gradient(45deg, #fff 25%, transparent 25%), linear-gradient(-45deg, #fff 25%, transparent 25%);
  background-size: 3px 3px;
}

.bg-orb {
  position: fixed;
  z-index: -2;
  pointer-events: none;
  width: 20rem;
  height: 20rem;
  border-radius: 999px;
  opacity: 0.12;
  filter: blur(34px);
  transform: translateZ(0);
}

.orb-one {
  top: 8rem;
  left: -8rem;
  background: var(--cyan);
}

.orb-two {
  right: -9rem;
  bottom: 6rem;
  background: var(--purple);
}

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

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

button,
input,
textarea {
  font: inherit;
}

::selection {
  background: rgba(34, 211, 238, 0.28);
  color: #ffffff;
}

.skip-link {
  position: fixed;
  left: 16px;
  top: 14px;
  z-index: 100;
  transform: translateY(-140%);
  padding: 10px 14px;
  border-radius: 999px;
  background: var(--cyan);
  color: #001018;
  font-weight: 800;
  transition: transform 160ms ease;
}

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

.site-header {
  position: sticky;
  top: 14px;
  z-index: 50;
  width: min(var(--max), calc(100% - 32px));
  min-height: var(--header-height);
  margin: 14px auto 0;
  padding: 12px 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(2, 6, 23, 0.86);
  box-shadow: 0 12px 34px rgba(0, 0, 0, 0.22);
  transition: border-color 180ms ease, background 180ms ease, transform 180ms ease;
}

.site-header.scrolled {
  border-color: var(--line-strong);
  background: rgba(2, 6, 23, 0.94);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
  font-weight: 900;
  letter-spacing: -0.045em;
  color: var(--text-strong);
}

.brand-mark {
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid rgba(34, 211, 238, 0.34);
  background: linear-gradient(135deg, rgba(34, 211, 238, 0.22), rgba(167, 139, 250, 0.18));
  color: var(--cyan-2);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  font-size: 0.77rem;
  box-shadow: inset 0 0 22px rgba(34, 211, 238, 0.08);
}

.brand-text {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 3px;
}

.site-nav a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 0 11px;
  border-radius: 999px;
  color: var(--muted);
  font-size: 0.91rem;
  font-weight: 700;
  transition: color 160ms ease, background 160ms ease, border-color 160ms ease;
}

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

.site-nav .nav-cta {
  margin-left: 5px;
  background: var(--cyan);
  color: #021019;
}

.site-nav .nav-cta:hover {
  background: var(--cyan-2);
  color: #021019;
}

.nav-toggle {
  display: none;
  flex: 0 0 auto;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: rgba(15, 23, 42, 0.92);
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 4px auto;
  border-radius: 999px;
  background: var(--text-strong);
  transition: transform 160ms ease, opacity 160ms ease;
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

.section-shell {
  width: min(var(--max), calc(100% - 32px));
  margin: 0 auto;
  padding: clamp(72px, 8vw, 116px) 0;
}

.hero {
  min-height: calc(100svh - 90px);
  display: grid;
  grid-template-columns: minmax(0, 1.03fr) minmax(360px, 0.92fr);
  align-items: center;
  gap: clamp(34px, 5vw, 70px);
  padding-top: clamp(58px, 6vw, 86px);
}

.hero-copy,
.terminal-card,
.info-card,
.experience-card,
.skill-card,
.project-card,
.contact-card,
.contact-form,
.featured-project {
  transform: translateZ(0);
}

.eyebrow,
.section-label,
.card-kicker,
.terminal-title {
  margin: 0 0 16px;
  color: var(--cyan-2);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  font-size: 0.86rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  max-width: 100%;
  padding: 8px 12px;
  border: 1px solid rgba(34, 211, 238, 0.22);
  border-radius: 999px;
  background: rgba(34, 211, 238, 0.07);
  color: #cffafe;
}

.eyebrow span {
  width: 8px;
  height: 8px;
  flex: 0 0 auto;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 6px rgba(52, 211, 153, 0.12);
}

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

h1 {
  max-width: 900px;
  margin: 18px 0 22px;
  color: var(--text-strong);
  font-size: clamp(3.7rem, 10.5vw, 8.7rem);
  font-weight: 950;
  line-height: 0.86;
  letter-spacing: -0.095em;
}

h1 span {
  display: block;
  color: transparent;
  -webkit-text-stroke: 1.4px rgba(226, 232, 240, 0.86);
  text-shadow: 0 0 34px rgba(34, 211, 238, 0.08);
}

.subtitle {
  max-width: 760px;
  margin-bottom: 16px;
  color: var(--cyan-2);
  font-size: clamp(1.05rem, 1.8vw, 1.45rem);
  font-weight: 800;
  letter-spacing: -0.045em;
}

.hero-description,
.section-heading > p,
.about-content > p,
.featured-project > div > p,
.project-card p,
.skill-card p,
.metric-copy,
.contact-note p {
  color: var(--muted);
}

.hero-description {
  max-width: 720px;
  margin-bottom: 0;
  font-size: clamp(1rem, 1.25vw, 1.12rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 30px 0 28px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 18px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-weight: 850;
  white-space: nowrap;
  cursor: pointer;
  transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease, border-color 160ms ease;
}

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

.btn.primary {
  background: linear-gradient(135deg, var(--cyan), var(--cyan-2));
  color: #021019;
  box-shadow: 0 16px 34px rgba(34, 211, 238, 0.15);
}

.btn.secondary,
.btn.ghost {
  background: rgba(148, 163, 184, 0.08);
  border-color: var(--line);
  color: var(--text-strong);
}

.btn.ghost {
  color: var(--cyan-2);
}

.hero-points {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  max-width: 720px;
}

.hero-points article {
  min-width: 0;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(15, 23, 42, 0.58);
}

.hero-points strong {
  display: block;
  color: var(--text-strong);
  font-size: clamp(1.15rem, 2vw, 1.6rem);
  line-height: 1;
  letter-spacing: -0.05em;
}

.hero-points span {
  display: block;
  margin-top: 8px;
  color: var(--muted);
  font-size: 0.92rem;
}

.terminal-card {
  position: relative;
  overflow: hidden;
  width: 100%;
  border: 1px solid rgba(34, 211, 238, 0.18);
  border-radius: var(--radius);
  background:
    linear-gradient(180deg, rgba(15, 23, 42, 0.94), rgba(2, 6, 23, 0.9)),
    radial-gradient(circle at 18% 0, rgba(34, 211, 238, 0.22), transparent 25rem);
  box-shadow: var(--shadow);
}

.terminal-card::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(90deg, rgba(255, 255, 255, 0.03), transparent 20%, transparent 80%, rgba(255, 255, 255, 0.02));
}

.terminal-top {
  position: relative;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  font-size: 0.84rem;
}

.traffic-lights {
  display: flex;
  gap: 7px;
  flex: 0 0 auto;
}

.traffic-lights span {
  width: 11px;
  height: 11px;
  border-radius: 50%;
}

.traffic-lights span:nth-child(1) { background: var(--danger); }
.traffic-lights span:nth-child(2) { background: var(--amber); }
.traffic-lights span:nth-child(3) { background: var(--green); }

.terminal-top p {
  margin: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.terminal-card pre {
  position: relative;
  margin: 0;
  padding: clamp(18px, 2.2vw, 28px);
  overflow: hidden;
  color: #cbd5e1;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  font-size: clamp(0.76rem, 1vw, 0.93rem);
  line-height: 1.65;
  white-space: pre-wrap;
  word-break: break-word;
}

.prompt {
  color: var(--green);
  font-weight: 800;
}

.split-section {
  display: grid;
  grid-template-columns: minmax(280px, 0.8fr) minmax(0, 1.2fr);
  gap: clamp(28px, 5vw, 68px);
  align-items: start;
}

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

.section-heading.centered {
  margin-inline: auto;
  text-align: center;
}

.section-heading h2 {
  margin-bottom: 14px;
  color: var(--text-strong);
  font-size: clamp(2rem, 4vw, 4rem);
  line-height: 0.98;
  letter-spacing: -0.07em;
}

.section-heading p:last-child {
  margin-bottom: 0;
  font-size: 1.03rem;
}

.about-content {
  min-width: 0;
}

.about-content > p {
  font-size: 1.04rem;
}

.traits-grid,
.skills-grid,
.project-grid,
.cards-grid {
  display: grid;
  gap: 16px;
}

.traits-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 28px;
}

.traits-grid article,
.info-card,
.skill-card,
.project-card,
.contact-card,
.contact-form,
.experience-card,
.featured-project,
.metric-panel {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: 0 10px 36px rgba(0, 0, 0, 0.18);
}

.traits-grid article {
  padding: 20px;
}

.traits-grid h3,
.info-card h3,
.skill-card h3,
.project-card h3,
.experience-card h3,
.contact-card h3,
.featured-project h3 {
  margin-bottom: 8px;
  color: var(--text-strong);
  letter-spacing: -0.04em;
  line-height: 1.15;
}

.traits-grid p,
.info-card p,
.skill-card p,
.project-card p,
.experience-card p,
.contact-card p,
.featured-project p {
  margin-bottom: 0;
}

.cards-grid.two-col {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 34px;
}

.info-card {
  padding: clamp(22px, 3vw, 34px);
}

.timeline-item {
  position: relative;
  display: grid;
  grid-template-columns: 20px minmax(0, 1fr);
  gap: 16px;
  padding: 0 0 26px;
}

.timeline-item:last-child {
  padding-bottom: 0;
}

.timeline-item::before {
  content: "";
  position: absolute;
  left: 9px;
  top: 18px;
  bottom: 0;
  width: 1px;
  background: var(--line);
}

.timeline-item:last-child::before {
  display: none;
}

.timeline-item > span {
  position: relative;
  z-index: 1;
  width: 19px;
  height: 19px;
  margin-top: 3px;
  border: 4px solid rgba(34, 211, 238, 0.22);
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 22px rgba(34, 211, 238, 0.22);
}

small {
  color: var(--muted-2);
}

.cert-list {
  display: grid;
  gap: 14px;
}

.cert-list div,
.highlight-box,
.contact-note {
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: rgba(2, 6, 23, 0.34);
}

.cert-list h3 {
  margin-bottom: 4px;
}

.highlight-box,
.contact-note {
  margin-top: 18px;
}

.highlight-box strong,
.contact-note strong,
.project-details strong {
  color: var(--cyan-2);
}

.experience-list {
  display: grid;
  gap: 16px;
  margin-top: 28px;
}

.experience-card {
  display: grid;
  grid-template-columns: 190px minmax(0, 1fr);
  gap: clamp(18px, 3vw, 34px);
  padding: clamp(22px, 3vw, 34px);
}

.experience-date {
  align-self: start;
  width: fit-content;
  padding: 8px 12px;
  border: 1px solid rgba(34, 211, 238, 0.18);
  border-radius: 999px;
  background: rgba(34, 211, 238, 0.07);
  color: var(--cyan-2);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  font-size: 0.8rem;
  font-weight: 800;
}

.company {
  color: var(--muted);
  font-weight: 650;
}

ul {
  margin: 14px 0 0;
  padding-left: 20px;
  color: var(--muted);
}

li + li {
  margin-top: 7px;
}

.skills-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 34px;
}

.skill-card,
.project-card {
  padding: 22px;
}

.skill-card {
  min-height: 100%;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
}

.tag-list span {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 0 10px;
  border: 1px solid rgba(34, 211, 238, 0.16);
  border-radius: 999px;
  background: rgba(34, 211, 238, 0.07);
  color: #bff8ff;
  font-size: 0.81rem;
  font-weight: 750;
}

.featured-project {
  display: grid;
  grid-template-columns: minmax(0, 1.24fr) minmax(310px, 0.76fr);
  gap: 24px;
  margin-top: 34px;
  padding: clamp(22px, 3vw, 34px);
}

.featured-project h3 {
  max-width: 820px;
  font-size: clamp(1.45rem, 2.4vw, 2.25rem);
}

.project-details {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin: 24px 0 0;
}

.project-details div {
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: rgba(2, 6, 23, 0.28);
}

.project-details p {
  margin-top: 8px;
  color: var(--muted);
}

.metric-panel {
  padding: 22px;
  background: rgba(2, 6, 23, 0.48);
}

.metric-panel > div,
.mini-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding: 10px 0;
  border-bottom: 1px solid rgba(148, 163, 184, 0.12);
}

.metric-panel span,
.mini-row span {
  color: var(--muted);
}

.metric-panel strong,
.mini-row strong {
  color: var(--text-strong);
  text-align: right;
}

.metric-panel hr {
  border: 0;
  border-top: 1px solid var(--line);
  margin: 18px 0;
}

.chart-label {
  margin-bottom: 8px;
  color: var(--cyan-2);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  font-size: 0.84rem;
  font-weight: 800;
}

.metric-copy {
  margin-bottom: 0;
  font-size: 0.95rem;
}

.project-grid {
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  margin-top: 16px;
}

.project-card {
  display: flex;
  flex-direction: column;
}

.project-card a {
  width: fit-content;
  margin-top: auto;
  padding-top: 18px;
  color: var(--cyan-2);
  font-weight: 850;
}

.contact-section {
  padding-bottom: 70px;
}

.contact-grid {
  display: grid;
  grid-template-columns: minmax(280px, 0.78fr) minmax(0, 1.22fr);
  gap: 18px;
  margin-top: 28px;
}

.contact-card,
.contact-form {
  padding: clamp(22px, 3vw, 32px);
}

.contact-card a {
  display: block;
  width: fit-content;
  max-width: 100%;
  margin: 7px 0 16px;
  color: var(--cyan-2);
  font-weight: 750;
  overflow-wrap: anywhere;
}

.contact-card h3:not(:first-child) {
  margin-top: 22px;
}

.contact-form {
  display: grid;
  gap: 16px;
}

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

label {
  display: grid;
  gap: 8px;
  color: var(--text-strong);
  font-weight: 750;
}

input,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(2, 6, 23, 0.54);
  color: var(--text-strong);
  outline: none;
  transition: border-color 150ms ease, box-shadow 150ms ease, background 150ms ease;
}

input {
  min-height: 48px;
  padding: 0 14px;
}

textarea {
  min-height: 150px;
  resize: vertical;
  padding: 14px;
}

input::placeholder,
textarea::placeholder {
  color: rgba(154, 168, 189, 0.64);
}

input:focus,
textarea:focus {
  border-color: rgba(34, 211, 238, 0.52);
  box-shadow: 0 0 0 4px rgba(34, 211, 238, 0.09);
  background: rgba(2, 6, 23, 0.72);
}

button:disabled {
  cursor: wait;
  opacity: 0.72;
  transform: none !important;
}

.hp-field {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
}

.form-note {
  min-height: 1.5em;
  margin: 0;
  color: var(--muted);
  font-size: 0.94rem;
}

.form-note.success {
  color: var(--green);
}

.form-note.error {
  color: var(--danger);
}

.site-footer {
  width: min(var(--max), calc(100% - 32px));
  margin: 0 auto 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 22px 0;
  border-top: 1px solid var(--line);
  color: var(--muted);
}

.site-footer p {
  margin: 0;
}

.site-footer a {
  flex: 0 0 auto;
  color: var(--cyan-2);
  font-weight: 850;
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 520ms ease, transform 520ms ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

@supports (content-visibility: auto) {
  section:not(.hero) {
    content-visibility: auto;
    contain-intrinsic-size: 1px 850px;
  }
}

@media (hover: hover) and (pointer: fine) {
  .traits-grid article:hover,
  .info-card:hover,
  .experience-card:hover,
  .skill-card:hover,
  .project-card:hover,
  .featured-project:hover,
  .contact-card:hover,
  .contact-form:hover,
  .terminal-card:hover {
    border-color: rgba(34, 211, 238, 0.26);
  }
}

@media (max-width: 1120px) {
  .site-nav a {
    padding-inline: 9px;
    font-size: 0.87rem;
  }

  .hero {
    grid-template-columns: 1fr;
    align-items: start;
    min-height: auto;
  }

  .terminal-card {
    max-width: 760px;
  }

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

  .featured-project,
  .contact-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 900px) {
  :root {
    --header-height: 70px;
  }

  .site-header {
    top: 10px;
    width: min(100% - 24px, var(--max));
    padding: 10px 12px;
  }

  .nav-toggle {
    display: block;
  }

  .site-nav {
    position: absolute;
    left: 0;
    right: 0;
    top: calc(100% + 10px);
    display: grid;
    gap: 6px;
    padding: 12px;
    border: 1px solid var(--line);
    border-radius: 24px;
    background: rgba(2, 6, 23, 0.98);
    box-shadow: var(--shadow);
    transform: translateY(-8px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 160ms ease, transform 160ms ease;
  }

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

  .site-nav a {
    justify-content: flex-start;
    min-height: 44px;
    padding-inline: 14px;
  }

  .site-nav .nav-cta {
    margin-left: 0;
    justify-content: center;
  }

  .split-section {
    grid-template-columns: 1fr;
  }

  .section-heading.centered {
    text-align: left;
    margin-inline: 0;
  }

  .cards-grid.two-col,
  .project-details {
    grid-template-columns: 1fr;
  }

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

  .experience-date {
    margin-bottom: 0;
  }
}

@media (max-width: 700px) {
  .section-shell {
    width: min(100% - 24px, var(--max));
    padding: 66px 0;
  }

  .hero {
    padding-top: 46px;
  }

  .brand-text {
    max-width: 170px;
  }

  .eyebrow {
    border-radius: 18px;
    align-items: flex-start;
  }

  h1 {
    font-size: clamp(3.1rem, 18vw, 5.8rem);
    letter-spacing: -0.085em;
  }

  .hero-actions,
  .site-footer {
    flex-direction: column;
    align-items: stretch;
  }

  .hero-actions .btn,
  .contact-form .btn {
    width: 100%;
  }

  .hero-points,
  .traits-grid,
  .skills-grid,
  .project-grid,
  .form-row {
    grid-template-columns: 1fr;
  }

  .terminal-card pre {
    font-size: 0.75rem;
  }

  .terminal-top {
    gap: 9px;
  }

  .timeline-item {
    grid-template-columns: 18px minmax(0, 1fr);
    gap: 12px;
  }

  .site-footer a {
    align-self: flex-start;
  }
}

@media (max-width: 430px) {
  .site-header {
    border-radius: 24px;
  }

  .brand-text {
    max-width: 132px;
  }

  .brand-mark {
    width: 36px;
    height: 36px;
  }

  .nav-toggle {
    width: 40px;
    height: 40px;
  }

  h1 {
    line-height: 0.9;
  }

  .subtitle {
    font-size: 1rem;
  }

  .hero-description,
  .about-content > p {
    font-size: 0.98rem;
  }

  .info-card,
  .experience-card,
  .skill-card,
  .project-card,
  .featured-project,
  .contact-card,
  .contact-form,
  .terminal-card {
    border-radius: 18px;
  }

  .terminal-card pre {
    padding: 16px;
    font-size: 0.7rem;
  }

  .project-details div,
  .cert-list div,
  .highlight-box,
  .contact-note {
    padding: 14px;
  }
}

@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;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}

/* v4 polish: clearer hero, responsive whoami, stronger about and dissertation sections */
.hero {
  grid-template-columns: minmax(0, 0.96fr) minmax(380px, 0.84fr);
}

h1 {
  font-size: clamp(3.4rem, 7.8vw, 7.6rem);
  max-width: 780px;
}

.hero-points {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  max-width: 820px;
}

.terminal-card {
  align-self: center;
}

.terminal-body {
  position: relative;
  display: grid;
  gap: 12px;
  padding: clamp(18px, 2vw, 26px);
  color: #cbd5e1;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  font-size: clamp(0.78rem, 0.92vw, 0.92rem);
  line-height: 1.55;
}

.terminal-line.command {
  color: var(--text-strong);
  font-weight: 750;
}

.terminal-output {
  margin: -6px 0 4px 20px;
  color: #dbeafe;
  overflow-wrap: anywhere;
}

.terminal-output.identity {
  color: var(--cyan-2);
  font-weight: 900;
  letter-spacing: -0.03em;
}

.terminal-output.status-line {
  color: var(--muted);
}

.terminal-yaml {
  display: grid;
  gap: 8px;
  margin: -2px 0 4px 20px;
  padding: 14px;
  border: 1px solid rgba(148, 163, 184, 0.14);
  border-radius: 16px;
  background: rgba(2, 6, 23, 0.32);
}

.terminal-yaml div {
  display: grid;
  grid-template-columns: 98px minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
}

.terminal-yaml span {
  color: var(--muted-2);
}

.terminal-yaml strong {
  min-width: 0;
  color: #e2e8f0;
  font-weight: 750;
  overflow-wrap: anywhere;
}

.terminal-email {
  width: fit-content;
  margin: -6px 0 0 20px;
  color: var(--cyan-2);
  font-weight: 850;
  overflow-wrap: anywhere;
}

.about-section .section-heading {
  position: sticky;
  top: 118px;
}

.section-mini {
  margin-top: 18px;
  color: var(--muted);
  font-size: 1.02rem;
}

.about-banner {
  display: grid;
  gap: 5px;
  margin-top: 24px;
  padding: 18px 20px;
  border: 1px solid rgba(34, 211, 238, 0.2);
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, rgba(34, 211, 238, 0.09), rgba(167, 139, 250, 0.08));
}

.about-banner span {
  color: var(--cyan-2);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  font-size: 0.82rem;
  font-weight: 850;
}

.about-banner strong {
  color: var(--text-strong);
  font-size: 1.02rem;
  line-height: 1.45;
}

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

.skill-card-wide {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: minmax(220px, 0.75fr) minmax(0, 1.25fr);
  align-items: center;
  column-gap: 28px;
}

.skill-card-wide p {
  max-width: 760px;
}

.skill-card-wide .tag-list {
  justify-content: flex-start;
  margin-top: 0;
}

.dissertation-card {
  position: relative;
  overflow: hidden;
  grid-template-columns: minmax(0, 1.12fr) minmax(330px, 0.88fr);
}

.dissertation-card::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at 10% 10%, rgba(34, 211, 238, 0.08), transparent 26rem),
    radial-gradient(circle at 100% 0%, rgba(167, 139, 250, 0.08), transparent 24rem);
}

.dissertation-card > * {
  position: relative;
}

.research-summary {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 24px;
}

.research-summary div {
  padding: 16px;
  border: 1px solid rgba(34, 211, 238, 0.16);
  border-radius: var(--radius-sm);
  background: rgba(2, 6, 23, 0.3);
}

.research-summary span {
  display: inline-grid;
  place-items: center;
  width: 32px;
  height: 32px;
  margin-bottom: 12px;
  border-radius: 50%;
  background: rgba(34, 211, 238, 0.1);
  color: var(--cyan-2);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  font-weight: 900;
}

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

.research-summary p {
  color: var(--muted);
  font-size: 0.94rem;
}

.refined-details {
  margin-top: 12px;
}

.dissertation-panel {
  align-self: start;
  border-color: rgba(34, 211, 238, 0.22);
  background:
    linear-gradient(180deg, rgba(2, 6, 23, 0.64), rgba(15, 23, 42, 0.68)),
    radial-gradient(circle at top right, rgba(34, 211, 238, 0.12), transparent 18rem);
}

.dissertation-panel strong {
  max-width: 62%;
}

.metric-note {
  margin-top: 16px;
  padding: 14px;
  border: 1px solid rgba(34, 211, 238, 0.16);
  border-radius: var(--radius-sm);
  background: rgba(34, 211, 238, 0.06);
}

.metric-note strong {
  display: block;
  max-width: none;
  margin-bottom: 6px;
  color: var(--cyan-2);
}

.metric-note p {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.mini-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
}

.mini-badges span {
  display: inline-flex;
  min-height: 28px;
  align-items: center;
  padding: 0 9px;
  border: 1px solid rgba(34, 211, 238, 0.16);
  border-radius: 999px;
  background: rgba(34, 211, 238, 0.07);
  color: #bff8ff;
  font-size: 0.78rem;
  font-weight: 800;
}

@media (max-width: 1180px) {
  .hero-points {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 1120px) {
  .hero {
    grid-template-columns: 1fr;
  }

  h1 {
    max-width: 900px;
  }

  .terminal-card {
    max-width: 860px;
  }

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

  .dissertation-panel strong {
    max-width: none;
  }
}

@media (max-width: 900px) {
  .about-section .section-heading {
    position: static;
  }

  .skill-card-wide {
    grid-column: auto;
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .skill-card-wide .tag-list {
    margin-top: 0;
  }

  .research-summary {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 700px) {
  h1 {
    font-size: clamp(3rem, 16vw, 5.4rem);
  }

  .hero-points {
    grid-template-columns: 1fr;
  }

  .terminal-body {
    padding: 16px;
    font-size: 0.74rem;
  }

  .terminal-yaml {
    margin-left: 0;
    padding: 12px;
  }

  .terminal-yaml div {
    grid-template-columns: 1fr;
    gap: 2px;
  }

  .terminal-output,
  .terminal-email {
    margin-left: 0;
  }

  .about-banner {
    padding: 16px;
  }

  .metric-panel > div,
  .mini-row {
    display: grid;
    gap: 4px;
  }

  .metric-panel strong,
  .mini-row strong {
    text-align: left;
  }
}