/* === Tokens === */
:root {
  --bg: #0b1020;
  --bg-elev: #11172b;
  --bg-elev-2: #161d35;
  --line: rgba(148, 163, 184, 0.14);
  --line-strong: rgba(148, 163, 184, 0.26);
  --text: #e6ecf5;
  --text-muted: #a3afc6;
  --text-dim: #7d8aa6;
  --accent: #38bdf8;
  --accent-2: #818cf8;
  --accent-3: #22d3ee;
  --grad: linear-gradient(135deg, #38bdf8 0%, #818cf8 50%, #c084fc 100%);
  --shadow: 0 10px 40px -10px rgba(0, 0, 0, 0.55);
  --radius: 14px;
  --radius-lg: 22px;
  --container: 1140px;
  --pad-x: clamp(20px, 4vw, 32px);
  --font: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue",
    Arial, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

/* === Reset === */
*,
*::before,
*::after {
  box-sizing: border-box;
}
html,
body {
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
  overflow-x: hidden;
  overflow-x: clip;
}
body {
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
  overflow-x: clip;
  padding-top: calc(69px + env(safe-area-inset-top, 0px));
}
img {
  max-width: 100%;
  display: block;
}
a {
  color: inherit;
  text-decoration: none;
}
button {
  font: inherit;
  cursor: pointer;
}
ul,
ol {
  margin: 0;
  padding: 0;
  list-style: none;
}
h1,
h2,
h3,
h4 {
  margin: 0;
  line-height: 1.2;
  letter-spacing: -0.02em;
}
p {
  margin: 0;
}
code {
  font-family: var(--mono);
  font-size: 0.9em;
  padding: 2px 6px;
  background: rgba(56, 189, 248, 0.1);
  border: 1px solid rgba(56, 189, 248, 0.25);
  border-radius: 6px;
  color: var(--accent);
}
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--pad-x);
}
.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--accent);
  color: #001;
  padding: 10px 14px;
  border-radius: 8px;
  z-index: 100;
}
.skip-link:focus {
  left: 12px;
  top: 12px;
}

/* === Navigation === */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  background: rgba(11, 16, 32, 0.86);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
  transition: border-color 0.25s ease, background 0.25s ease;
  padding-top: env(safe-area-inset-top, 0px);
  padding-left: env(safe-area-inset-left, 0px);
  padding-right: env(safe-area-inset-right, 0px);
}
.nav.is-scrolled {
  background: rgba(11, 16, 32, 0.86);
  border-bottom-color: var(--line);
}
.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  letter-spacing: -0.01em;
}
.brand__mark {
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border-radius: 9px;
  background: var(--grad);
  color: #0b1020;
  font-weight: 800;
}
.brand__text {
  font-size: 0.98rem;
}
.nav__menu {
  display: flex;
  align-items: center;
  gap: 26px;
}
.nav__menu a {
  font-size: 0.94rem;
  color: var(--text-muted);
  transition: color 0.2s ease;
}
.nav__menu a:hover {
  color: var(--text);
}
.nav__cta {
  padding: 8px 16px;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  color: var(--text) !important;
}
.nav__cta:hover {
  border-color: var(--accent);
  color: var(--accent) !important;
}
.nav__toggle {
  display: none;
  width: 40px;
  height: 40px;
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  background: transparent;
  position: relative;
}
.nav__toggle span {
  position: absolute;
  left: 9px;
  right: 9px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform 0.25s ease, opacity 0.25s ease, top 0.25s ease;
}
.nav__toggle span:nth-child(1) { top: 13px; }
.nav__toggle span:nth-child(2) { top: 19px; }
.nav__toggle span:nth-child(3) { top: 25px; }
.nav__toggle[aria-expanded="true"] span:nth-child(1) {
  top: 19px;
  transform: rotate(45deg);
}
.nav__toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}
.nav__toggle[aria-expanded="true"] span:nth-child(3) {
  top: 19px;
  transform: rotate(-45deg);
}

/* === Hero === */
.hero {
  position: relative;
  padding: clamp(40px, 8vw, 80px) 0 clamp(80px, 12vw, 120px);
  overflow: hidden;
  isolation: isolate;
}
.hero__bg {
  position: absolute;
  inset: 0;
  z-index: -1;
}
.hero__glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.6;
}
.hero__glow--1 {
  width: min(520px, 90vw);
  height: min(520px, 90vw);
  background: radial-gradient(circle, rgba(56, 189, 248, 0.45), transparent 65%);
  top: -120px;
  left: -120px;
}
.hero__glow--2 {
  width: min(460px, 80vw);
  height: min(460px, 80vw);
  background: radial-gradient(circle, rgba(129, 140, 248, 0.4), transparent 65%);
  bottom: -120px;
  right: -100px;
}
.hero__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(148, 163, 184, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(148, 163, 184, 0.06) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse at center, black 35%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 35%, transparent 75%);
}
.hero__inner {
  max-width: 900px;
}
.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 0.86rem;
  color: var(--text-muted);
  padding: 6px 12px 6px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.02);
  margin-bottom: 28px;
}
.hero__eyebrow .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #22c55e;
  box-shadow: 0 0 0 4px rgba(34, 197, 94, 0.18);
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.55; }
}
.hero__title {
  font-size: clamp(2.3rem, 6vw, 4rem);
  font-weight: 800;
  letter-spacing: -0.035em;
}
.grad {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.accent {
  color: var(--accent);
}
.hero__sub {
  margin-top: 22px;
  font-size: clamp(1rem, 1.6vw, 1.18rem);
  color: var(--text-muted);
  max-width: 720px;
}
.hero__cta {
  margin-top: 36px;
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 13px 22px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.96rem;
  border: 1px solid transparent;
  transition: transform 0.2s ease, background 0.2s ease, border-color 0.2s ease,
    color 0.2s ease;
}
.btn:hover {
  transform: translateY(-1px);
}
.btn--primary {
  background: var(--grad);
  color: #08112a;
  box-shadow: 0 10px 30px -10px rgba(56, 189, 248, 0.6);
}
.btn--primary:hover {
  filter: brightness(1.05);
}
.btn--ghost {
  background: rgba(255, 255, 255, 0.02);
  border-color: var(--line-strong);
  color: var(--text);
}
.btn--ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
}
.hero__stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-top: 56px;
  max-width: 720px;
}
.hero__stats li {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px 14px;
}
.hero__stats strong {
  display: block;
  font-size: clamp(1.4rem, 2.2vw, 1.8rem);
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.02em;
}
.hero__stats span {
  display: block;
  margin-top: 4px;
  font-size: 0.82rem;
  color: var(--text-dim);
}

/* === Sections === */
.section {
  padding: clamp(72px, 10vw, 110px) 0;
  position: relative;
}
.section--alt {
  background: linear-gradient(180deg, transparent, rgba(255, 255, 255, 0.015) 30%, transparent);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.section__head {
  max-width: 760px;
  margin-bottom: 48px;
}
.section__head--center {
  margin-inline: auto;
  text-align: center;
}
.section__kicker {
  font-family: var(--mono);
  font-size: 0.82rem;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 14px;
}
.section__title {
  font-size: clamp(1.7rem, 3.6vw, 2.6rem);
  font-weight: 700;
  letter-spacing: -0.025em;
}
.section__sub {
  margin-top: 14px;
  color: var(--text-muted);
  font-size: 1.05rem;
}

/* === About === */
.about {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 48px;
  align-items: start;
}
.about__copy p + p {
  margin-top: 18px;
}
.about__copy p {
  color: var(--text-muted);
  font-size: 1.04rem;
}
.about__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.about__tags li {
  font-size: 0.86rem;
  padding: 8px 14px;
  border-radius: 999px;
  background: rgba(56, 189, 248, 0.06);
  border: 1px solid rgba(56, 189, 248, 0.2);
  color: #cfe8ff;
}

/* === Skills === */
.skills {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 18px;
}
.skill-card {
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 26px 22px;
  transition: transform 0.25s ease, border-color 0.25s ease, background 0.25s ease;
}
.skill-card:hover {
  transform: translateY(-3px);
  border-color: rgba(56, 189, 248, 0.45);
  background: var(--bg-elev-2);
}
.skill-card__icon {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  background: rgba(56, 189, 248, 0.1);
  color: var(--accent);
  margin-bottom: 18px;
}
.skill-card h3 {
  font-size: 1.08rem;
  margin-bottom: 14px;
}
.skill-card ul {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.skill-card li {
  font-size: 0.92rem;
  color: var(--text-muted);
  padding-left: 16px;
  position: relative;
}
.skill-card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  opacity: 0.7;
}

/* === Featured project === */
.feature {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 56px;
  align-items: center;
}
.feature__media {
  position: relative;
}
.feature__frame {
  position: relative;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, rgba(56, 189, 248, 0.18), rgba(129, 140, 248, 0.18));
  padding: 14px;
  border: 1px solid var(--line-strong);
  box-shadow: var(--shadow);
}
.browser {
  border-radius: 12px;
  overflow: hidden;
  background: #0a0f1d;
  border: 1px solid var(--line);
}
.browser__bar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 10px 14px;
  background: #0e1428;
  border-bottom: 1px solid var(--line);
}
.browser__bar > span {
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: #2a3552;
}
.browser__url {
  margin-left: 12px;
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--text-dim);
  padding: 4px 10px;
  background: #161e3a;
  border-radius: 6px;
  flex: 1;
  max-width: 280px;
}
.browser__body {
  padding: 18px;
  min-height: 340px;
}
.mock {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 14px;
  height: 100%;
  min-height: 300px;
}
.mock__sidebar {
  background: #0d1428;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 14px 10px;
}
.mock__brand {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.15em;
  color: var(--accent);
  margin-bottom: 18px;
}
.mock__nav {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.mock__nav span {
  height: 10px;
  border-radius: 4px;
  background: rgba(148, 163, 184, 0.18);
}
.mock__nav .active {
  background: rgba(56, 189, 248, 0.5);
}
.mock__main {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.mock__stat-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}
.mock__stat {
  background: #0d1428;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 10px 12px;
}
.mock__stat em {
  display: block;
  font-style: normal;
  font-size: 0.68rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 4px;
}
.mock__stat strong {
  font-size: 1.05rem;
  color: var(--text);
  font-weight: 700;
}
.mock__chart {
  display: flex;
  align-items: flex-end;
  gap: 8px;
  height: 110px;
  padding: 12px;
  background: #0d1428;
  border: 1px solid var(--line);
  border-radius: 10px;
}
.mock__chart .bar {
  flex: 1;
  height: var(--h);
  background: linear-gradient(180deg, var(--accent), rgba(56, 189, 248, 0.2));
  border-radius: 4px 4px 0 0;
}
.mock__rows {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.mock__row {
  display: grid;
  grid-template-columns: 1fr 60px 50px;
  gap: 8px;
  background: #0d1428;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 8px 10px;
}
.mock__row span {
  height: 8px;
  background: rgba(148, 163, 184, 0.18);
  border-radius: 4px;
}
.feature__role {
  font-family: var(--mono);
  font-size: 0.84rem;
  color: var(--text-dim);
  margin-bottom: 14px;
}
.feature__role span {
  color: var(--accent);
}
.feature__lede {
  font-size: 1.08rem;
  color: var(--text-muted);
  margin-bottom: 22px;
}
.feature__list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 26px;
}
.feature__list li {
  position: relative;
  padding-left: 26px;
  font-size: 0.96rem;
  color: var(--text-muted);
}
.feature__list strong {
  color: var(--text);
}
.feature__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 14px;
  height: 14px;
  border-radius: 4px;
  background: var(--grad);
  opacity: 0.85;
}
.feature__stack {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 28px;
}
.feature__stack span {
  font-family: var(--mono);
  font-size: 0.78rem;
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(56, 189, 248, 0.06);
  border: 1px solid rgba(56, 189, 248, 0.25);
  color: #cfe8ff;
}
.feature__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* === Projects === */
.projects {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
}
.project-card {
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 26px 22px;
  transition: transform 0.25s ease, border-color 0.25s ease, background 0.25s ease;
  position: relative;
  overflow: hidden;
}
.project-card::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(135deg, transparent, rgba(56, 189, 248, 0.5), transparent);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
}
.project-card:hover {
  transform: translateY(-4px);
  background: var(--bg-elev-2);
}
.project-card:hover::after {
  opacity: 1;
}
.project-card__head {
  margin-bottom: 12px;
}
.project-card__head h3 {
  font-size: 1.12rem;
  margin-bottom: 4px;
}
.project-card__role {
  font-family: var(--mono);
  font-size: 0.76rem;
  color: var(--text-dim);
}
.project-card p {
  font-size: 0.95rem;
  color: var(--text-muted);
  margin-bottom: 18px;
}
.project-card__stack {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.project-card__stack li {
  font-family: var(--mono);
  font-size: 0.72rem;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(148, 163, 184, 0.08);
  border: 1px solid var(--line);
  color: var(--text-muted);
}

/* === Timeline === */
.timeline {
  position: relative;
  padding-left: 28px;
  max-width: 820px;
}
.timeline::before {
  content: "";
  position: absolute;
  left: 8px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: linear-gradient(180deg, var(--accent), transparent);
  opacity: 0.4;
}
.timeline__item {
  position: relative;
  padding-bottom: 40px;
}
.timeline__item:last-child {
  padding-bottom: 0;
}
.timeline__dot {
  position: absolute;
  left: -28px;
  top: 6px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--bg);
  border: 2px solid var(--accent);
  box-shadow: 0 0 0 4px rgba(56, 189, 248, 0.18);
}
.timeline__when {
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--accent);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.timeline__role {
  font-size: 1.15rem;
  margin-bottom: 4px;
}
.timeline__company {
  color: var(--text-muted);
  margin-bottom: 14px;
  font-size: 0.95rem;
}
.timeline__points {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.timeline__points li {
  position: relative;
  padding-left: 18px;
  color: var(--text-muted);
  font-size: 0.95rem;
}
.timeline__points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 8px;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
}

/* === Education === */
.education-card {
  display: flex;
  align-items: flex-start;
  gap: 24px;
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 32px;
  max-width: 760px;
  transition: transform 0.25s ease, border-color 0.25s ease, background 0.25s ease;
}
.education-card:hover {
  transform: translateY(-3px);
  border-color: rgba(56, 189, 248, 0.45);
  background: var(--bg-elev-2);
}
.education-card__icon {
  width: 56px;
  height: 56px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  background: rgba(56, 189, 248, 0.1);
  color: var(--accent);
  flex-shrink: 0;
}
.education-card__body {
  flex: 1;
  min-width: 0;
}
.education-card__body h3 {
  font-size: 1.18rem;
  margin-bottom: 6px;
}
.education-card__institution {
  color: var(--text-muted);
  margin-bottom: 22px;
  font-size: 0.96rem;
}
.education-card__meta {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.education-card__meta li {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.education-card__meta span {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.education-card__meta strong {
  font-size: 0.98rem;
  color: var(--text);
  font-weight: 600;
}

/* === Contact === */
.contact {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
  max-width: 880px;
  margin: 0 auto;
}
.contact__card {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px 22px;
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  transition: transform 0.25s ease, border-color 0.25s ease, background 0.25s ease;
}
.contact__card:hover {
  transform: translateY(-3px);
  border-color: rgba(56, 189, 248, 0.45);
  background: var(--bg-elev-2);
}
.contact__icon {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  background: rgba(56, 189, 248, 0.1);
  color: var(--accent);
  flex-shrink: 0;
}
.contact__card strong {
  display: block;
  font-size: 0.95rem;
  margin-bottom: 2px;
}
.contact__card span {
  font-size: 0.84rem;
  color: var(--text-muted);
  word-break: break-all;
}
.contact__note {
  margin-top: 38px;
  text-align: center;
  color: var(--text-dim);
  font-size: 0.92rem;
}

/* === Footer === */
.footer {
  border-top: 1px solid var(--line);
  padding: 32px 0;
  color: var(--text-dim);
  font-size: 0.88rem;
}
.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}
.footer__top {
  font-family: var(--mono);
  font-size: 0.82rem;
  color: var(--text-muted);
  transition: color 0.2s ease;
}
.footer__top:hover {
  color: var(--accent);
}

/* === Reveal on scroll === */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.is-visible {
  opacity: 1;
  transform: none;
}

/* === Responsive === */
@media (max-width: 900px) {
  .feature {
    grid-template-columns: 1fr;
    gap: 36px;
  }
  .about {
    grid-template-columns: 1fr;
    gap: 28px;
  }
}
@media (max-width: 760px) {
  .brand {
    min-height: 44px;
    padding: 6px 0;
  }
  .nav__toggle {
    display: block;
    width: 44px;
    height: 44px;
  }
  .nav__toggle span {
    left: 11px;
    right: 11px;
  }
  .nav__toggle span:nth-child(1) { top: 15px; }
  .nav__toggle span:nth-child(2) { top: 21px; }
  .nav__toggle span:nth-child(3) { top: 27px; }
  .nav__toggle[aria-expanded="true"] span:nth-child(1),
  .nav__toggle[aria-expanded="true"] span:nth-child(3) {
    top: 21px;
  }
  .footer__top {
    padding: 12px 0;
    min-height: 44px;
    display: inline-flex;
    align-items: center;
  }
  .nav__menu {
    position: fixed;
    top: calc(69px + env(safe-area-inset-top, 0px));
    right: 0;
    left: 0;
    bottom: auto;
    z-index: 40;
    background: #0b1020;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 18px var(--pad-x) 28px;
    border-bottom: 1px solid var(--line);
    box-shadow: 0 24px 40px -16px rgba(0, 0, 0, 0.5);
    transform: translateY(-110%);
    transition: transform 0.3s ease;
    visibility: hidden;
  }
  .nav__menu.is-open {
    visibility: visible;
  }
  .nav__menu a {
    padding: 14px 0;
    font-size: 1rem;
    border-bottom: 1px solid var(--line);
  }
  .nav__menu a:last-child {
    border-bottom: none;
  }
  .nav__cta {
    margin-top: 12px;
    text-align: center;
  }
  .nav__menu.is-open {
    transform: none;
  }
  .hero__stats {
    grid-template-columns: repeat(2, 1fr);
  }
  .education-card {
    padding: 24px;
    gap: 18px;
  }
}
@media (max-width: 540px) {
  .education-card {
    flex-direction: column;
    align-items: flex-start;
  }
  .education-card__meta {
    grid-template-columns: 1fr 1fr;
    gap: 14px;
  }
}
@media (max-width: 460px) {
  .hero__cta .btn {
    width: 100%;
    justify-content: center;
  }
  .mock {
    grid-template-columns: 1fr;
  }
  .mock__sidebar {
    display: none;
  }
  .mock__stat-row {
    grid-template-columns: 1fr 1fr;
  }
  .mock__stat:last-child {
    grid-column: 1 / -1;
  }
  .mock__stat em {
    font-size: 0.62rem;
  }
  .mock__stat strong {
    font-size: 0.95rem;
  }
  .browser__body {
    padding: 12px;
    min-height: 260px;
  }
  .browser__url {
    font-size: 0.7rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    transition-duration: 0.001ms !important;
  }
  .reveal {
    opacity: 1;
    transform: none;
  }
}