/* Design tokens */
:root {
  --color-ink: #0b0f17;
  --color-ink-soft: #111827;
  --color-surface: #f4f6f9;
  --color-surface-raised: #ffffff;
  --color-text: #121722;
  --color-text-soft: #5e6675;
  --color-text-inverse: #f7f9fc;
  --color-text-inverse-soft: #9da8b9;
  --color-line: #dfe4ec;
  --color-line-dark: #283142;
  --color-accent: #2563eb;
  --color-accent-bright: #5f95ff;
  --color-accent-soft: #e8f0ff;
  --color-success: #5ae0a0;
  --font-sans: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  --container: 1180px;
  --header-height: 74px;
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 3rem;
  --space-8: 4rem;
  --space-9: 6rem;
  --radius-sm: 0.5rem;
  --radius-md: 0.9rem;
  --radius-lg: 1.25rem;
  --radius-xl: 1.75rem;
  --shadow-sm: 0 8px 28px rgb(14 21 34 / 8%);
  --shadow-lg: 0 24px 80px rgb(4 9 18 / 20%);
  --transition-fast: 160ms ease;
  --transition-base: 280ms cubic-bezier(0.2, 0.8, 0.2, 1);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 1rem);
}

body {
  margin: 0;
  background: var(--color-surface);
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body.nav-open,
body.dialog-open {
  overflow: hidden;
}

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

button,
input,
textarea,
select {
  font: inherit;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

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

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

h1,
h2,
h3 {
  line-height: 1.08;
  text-wrap: balance;
}

ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

::selection {
  background: var(--color-accent);
  color: #fff;
}

:focus-visible {
  outline: 3px solid var(--color-accent-bright);
  outline-offset: 4px;
}

.container {
  width: min(calc(100% - 2rem), var(--container));
  margin-inline: auto;
}

.skip-link {
  position: fixed;
  z-index: 999;
  top: 0.75rem;
  left: 1rem;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  background: #fff;
  color: var(--color-ink);
  font-weight: 700;
  transform: translateY(-160%);
  transition: transform var(--transition-fast);
}

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

.section {
  padding-block: var(--space-9);
}

.section-dark {
  background: var(--color-ink);
  color: var(--color-text-inverse);
}

.section-light {
  background: var(--color-surface);
  color: var(--color-text);
}

.section-heading {
  max-width: 800px;
  margin-bottom: var(--space-7);
}

.section-heading h2 {
  max-width: 760px;
  margin-bottom: 0;
  font-size: clamp(2.15rem, 5vw, 4.25rem);
  font-weight: 640;
  letter-spacing: -0.055em;
}

.section-index {
  margin-bottom: var(--space-4);
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.heading-row > p {
  max-width: 420px;
  margin: var(--space-5) 0 0;
  color: var(--color-text-soft);
}

/* Header */
.site-header {
  position: fixed;
  z-index: 100;
  top: 0;
  right: 0;
  left: 0;
  border-bottom: 1px solid transparent;
  color: var(--color-text-inverse);
  transition: background var(--transition-base), border-color var(--transition-base), box-shadow var(--transition-base);
}

.site-header.is-scrolled,
.site-header.menu-active {
  border-color: rgb(255 255 255 / 9%);
  background: rgb(8 12 19 / 90%);
  box-shadow: 0 10px 32px rgb(0 0 0 / 16%);
  backdrop-filter: blur(16px);
}

.nav-shell {
  display: flex;
  min-height: var(--header-height);
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

.brand {
  position: relative;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.brand-mark {
  display: grid;
  width: 2.25rem;
  height: 2.25rem;
  place-items: center;
  border: 1px solid rgb(255 255 255 / 26%);
  border-radius: 50%;
  color: var(--color-accent-bright);
  font-family: var(--font-mono);
  font-size: 0.7rem;
}

.brand-name {
  display: none;
}

.nav-toggle {
  position: relative;
  z-index: 2;
  display: grid;
  width: 2.75rem;
  height: 2.75rem;
  padding: 0.7rem;
  border: 1px solid rgb(255 255 255 / 20%);
  border-radius: 50%;
  background: transparent;
  cursor: pointer;
  place-content: center;
  gap: 0.25rem;
}

.nav-toggle span {
  width: 1.15rem;
  height: 1px;
  background: #fff;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(5px) rotate(45deg);
}

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

.nav-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-5px) rotate(-45deg);
}

.primary-nav {
  position: fixed;
  inset: 0;
  display: flex;
  padding: calc(var(--header-height) + 2rem) 1.5rem 2rem;
  background: var(--color-ink);
  flex-direction: column;
  gap: 0;
  opacity: 0;
  pointer-events: none;
  transform: translateY(-1rem);
  transition: opacity var(--transition-base), transform var(--transition-base);
}

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

.primary-nav a {
  padding: 0.85rem 0;
  border-bottom: 1px solid rgb(255 255 255 / 10%);
  color: var(--color-text-inverse-soft);
  font-size: 1.25rem;
  transition: color var(--transition-fast);
}

.primary-nav a:hover,
.primary-nav a[aria-current="true"] {
  color: #fff;
}

.primary-nav .nav-cta {
  margin-top: var(--space-5);
  padding: 0.8rem 1.15rem;
  border: 0;
  border-radius: 999px;
  background: var(--color-accent);
  color: #fff;
  text-align: center;
}

/* Hero */
.hero {
  position: relative;
  min-height: 100svh;
  padding-top: calc(var(--header-height) + 3.5rem);
  overflow: hidden;
}

.hero::before {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(rgb(255 255 255 / 3%) 1px, transparent 1px),
    linear-gradient(90deg, rgb(255 255 255 / 3%) 1px, transparent 1px);
  background-size: 64px 64px;
  content: "";
  mask-image: linear-gradient(to bottom, #000, transparent 90%);
  pointer-events: none;
}

.hero::after {
  position: absolute;
  top: -15rem;
  left: 46%;
  width: 48rem;
  height: 48rem;
  border-radius: 50%;
  background: radial-gradient(circle, rgb(50 118 255 / 18%), transparent 68%);
  content: "";
  pointer-events: none;
}

.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  align-items: center;
  gap: var(--space-8);
}

.eyebrow {
  display: inline-flex;
  margin-bottom: var(--space-5);
  align-items: center;
  gap: var(--space-3);
  color: var(--color-text-inverse-soft);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.status-dot {
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 50%;
  background: var(--color-success);
  box-shadow: 0 0 0 5px rgb(90 224 160 / 12%);
}

.hero h1 {
  max-width: 820px;
  margin-bottom: var(--space-5);
  font-size: clamp(2.7rem, 8.8vw, 6.5rem);
  font-weight: 600;
  letter-spacing: -0.068em;
}

.hero h1 span {
  color: var(--color-accent-bright);
}

.hero-name {
  margin-bottom: 0.55rem;
  font-size: clamp(1.12rem, 2.5vw, 1.45rem);
  font-weight: 720;
  letter-spacing: -0.025em;
}

.hero-role {
  max-width: 760px;
  margin-bottom: var(--space-5);
  color: #c7cfdb;
  font-size: clamp(0.92rem, 2vw, 1.02rem);
}

.hero-role span {
  color: var(--color-accent-bright);
}

.hero-intro {
  max-width: 650px;
  margin-bottom: var(--space-6);
  color: var(--color-text-inverse-soft);
  font-size: clamp(1rem, 2.2vw, 1.16rem);
}

.button-group {
  display: flex;
  align-items: stretch;
  flex-direction: column;
  gap: var(--space-3);
}

.button {
  display: inline-flex;
  min-height: 3.15rem;
  padding: 0.78rem 1.2rem;
  border: 1px solid transparent;
  border-radius: 999px;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  font-size: 0.92rem;
  font-weight: 720;
  transition: transform var(--transition-fast), background var(--transition-fast), border-color var(--transition-fast);
}

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

.button svg {
  width: 1.1rem;
  fill: none;
  stroke: currentcolor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.8;
}

.button-primary {
  background: var(--color-accent);
  color: #fff;
}

.button-primary:hover {
  background: #1d4ed8;
}

.button-secondary {
  border-color: rgb(255 255 255 / 20%);
  background: rgb(255 255 255 / 4%);
  color: #fff;
}

.button-secondary:hover {
  border-color: rgb(255 255 255 / 40%);
  background: rgb(255 255 255 / 8%);
}

.social-links {
  display: flex;
  margin-top: var(--space-5);
  gap: var(--space-5);
  color: var(--color-text-inverse-soft);
  font-size: 0.85rem;
}

.social-links a {
  padding-block: 0.25rem;
  border-bottom: 1px solid rgb(255 255 255 / 20%);
  transition: color var(--transition-fast), border-color var(--transition-fast);
}

.social-links a:hover {
  border-color: var(--color-accent-bright);
  color: #fff;
}

.hero-system {
  position: relative;
  min-height: 430px;
  isolation: isolate;
}

.system-grid {
  position: absolute;
  inset: 0;
  border: 1px solid rgb(255 255 255 / 7%);
  border-radius: 50%;
  background:
    linear-gradient(rgb(255 255 255 / 5%) 1px, transparent 1px),
    linear-gradient(90deg, rgb(255 255 255 / 5%) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: radial-gradient(circle, #000 25%, transparent 74%);
}

.system-orbit {
  position: absolute;
  top: 50%;
  left: 50%;
  border: 1px solid rgb(95 149 255 / 24%);
  border-radius: 50%;
  transform: translate(-50%, -50%);
}

.orbit-one {
  width: 250px;
  height: 250px;
}

.orbit-two {
  width: 380px;
  height: 380px;
}

.system-core {
  position: absolute;
  top: 50%;
  left: 50%;
  display: flex;
  width: 142px;
  height: 142px;
  border: 1px solid rgb(95 149 255 / 52%);
  border-radius: 50%;
  background: rgb(13 20 33 / 92%);
  box-shadow: 0 0 60px rgb(50 118 255 / 17%);
  align-items: center;
  justify-content: center;
  flex-direction: column;
  transform: translate(-50%, -50%);
}

.system-core strong {
  color: var(--color-accent-bright);
  font-size: 2.45rem;
  letter-spacing: -0.06em;
}

.system-core span {
  color: var(--color-text-inverse-soft);
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.system-node {
  position: absolute;
  width: 142px;
  padding: 0.85rem;
  border: 1px solid rgb(255 255 255 / 12%);
  border-radius: var(--radius-md);
  background: rgb(17 25 39 / 88%);
  box-shadow: 0 14px 30px rgb(0 0 0 / 14%);
  backdrop-filter: blur(10px);
}

.system-node::before {
  position: absolute;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--color-accent-bright);
  box-shadow: 0 0 14px var(--color-accent);
  content: "";
}

.system-node strong,
.system-node small {
  display: block;
}

.system-node strong {
  font-size: 0.82rem;
}

.system-node small {
  margin-top: 0.15rem;
  color: var(--color-text-inverse-soft);
  font-size: 0.68rem;
}

.node-number {
  display: block;
  margin-bottom: 0.5rem;
  color: var(--color-accent-bright);
  font-family: var(--font-mono);
  font-size: 0.6rem;
}

.node-support { top: 5%; left: 1%; }
.node-support::before { right: -37%; bottom: -42%; }
.node-web { top: 3%; right: 0; }
.node-web::before { bottom: -45%; left: -38%; }
.node-ai { right: 0; bottom: 2%; }
.node-ai::before { top: -43%; left: -37%; }
.node-digital { bottom: 0; left: 1%; }
.node-digital::before { top: -42%; right: -38%; }

.hero-metrics {
  position: relative;
  z-index: 1;
  display: grid;
  margin-top: var(--space-8);
  border-top: 1px solid rgb(255 255 255 / 10%);
}

.hero-metrics > div {
  display: grid;
  padding: 1.25rem 0;
  border-bottom: 1px solid rgb(255 255 255 / 10%);
  grid-template-columns: 2.5rem 1fr;
  gap: var(--space-3);
}

.hero-metrics span {
  color: var(--color-accent-bright);
  font-family: var(--font-mono);
  font-size: 0.7rem;
}

.hero-metrics p {
  margin: 0;
  color: var(--color-text-inverse-soft);
  font-size: 0.85rem;
}

/* About */
.about-grid {
  display: grid;
  gap: var(--space-5);
}

.about-content {
  max-width: 690px;
}

.about-content .lead {
  color: var(--color-text);
  font-size: clamp(1.25rem, 2.4vw, 1.65rem);
  font-weight: 540;
  line-height: 1.45;
  letter-spacing: -0.025em;
}

.about-content > p:not(.lead) {
  color: var(--color-text-soft);
}

.trait-list {
  display: flex;
  margin-top: var(--space-6);
  flex-wrap: wrap;
  gap: 0.6rem;
}

.trait-list li {
  padding: 0.55rem 0.9rem;
  border: 1px solid var(--color-line);
  border-radius: 999px;
  background: var(--color-surface-raised);
  font-size: 0.82rem;
  font-weight: 660;
}

/* Projects */
.projects-section {
  background: #edf0f5;
}

.project-grid {
  display: grid;
  gap: var(--space-5);
}

.project-card {
  overflow: hidden;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  background: var(--color-surface-raised);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
}

.project-card:hover {
  border-color: #c7d1e1;
  box-shadow: 0 18px 50px rgb(14 21 34 / 12%);
  transform: translateY(-5px);
}

.project-visual {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--color-line);
  background: #0f1622;
}

.project-visual img {
  width: 100%;
  aspect-ratio: 1.43;
  object-fit: cover;
  transition: transform 650ms cubic-bezier(0.2, 0.8, 0.2, 1);
}

.project-card:hover .project-visual img {
  transform: scale(1.018);
}

.mockup-label {
  position: absolute;
  right: 0.75rem;
  bottom: 0.75rem;
  padding: 0.35rem 0.55rem;
  border: 1px solid rgb(255 255 255 / 15%);
  border-radius: 999px;
  background: rgb(5 9 15 / 75%);
  color: #cfd7e4;
  font-family: var(--font-mono);
  font-size: 0.56rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  backdrop-filter: blur(8px);
}

.project-body {
  padding: clamp(1.25rem, 3vw, 2rem);
}

.project-meta {
  display: flex;
  margin-bottom: var(--space-4);
  flex-wrap: wrap;
  gap: 0.4rem;
}

.project-meta span {
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.project-meta span:not(:last-child)::after {
  margin-left: 0.4rem;
  color: #aeb7c5;
  content: "·";
}

.project-body h3 {
  margin-bottom: var(--space-4);
  font-size: clamp(1.45rem, 3vw, 2rem);
  letter-spacing: -0.038em;
}

.project-body > p {
  color: var(--color-text-soft);
}

.tag-list {
  display: flex;
  margin-block: var(--space-5);
  flex-wrap: wrap;
  gap: 0.45rem;
}

.tag-list li {
  padding: 0.35rem 0.6rem;
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  color: #4e5868;
  font-family: var(--font-mono);
  font-size: 0.68rem;
}

.text-button {
  display: inline-flex;
  padding: 0.35rem 0;
  border: 0;
  border-bottom: 1px solid #b9c4d5;
  background: none;
  color: var(--color-text);
  align-items: center;
  gap: var(--space-2);
  font-weight: 760;
  cursor: pointer;
  transition: color var(--transition-fast), border-color var(--transition-fast);
}

.text-button:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

/* Experience */
.experience-section .section-index,
.contact-section .section-index {
  color: var(--color-accent-bright);
}

.availability-badge {
  display: inline-flex;
  width: fit-content;
  margin-top: var(--space-5);
  padding: 0.45rem 0.75rem;
  border: 1px solid rgb(90 224 160 / 30%);
  border-radius: 999px;
  color: var(--color-success);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.experience-card {
  display: grid;
  padding-block: var(--space-6);
  border-top: 1px solid var(--color-line-dark);
  border-bottom: 1px solid var(--color-line-dark);
  gap: var(--space-6);
}

.experience-company {
  margin-bottom: var(--space-4);
  color: var(--color-accent-bright);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.experience-summary h3 {
  max-width: 620px;
  margin-bottom: var(--space-5);
  font-size: clamp(1.6rem, 3vw, 2.5rem);
  font-weight: 580;
  letter-spacing: -0.035em;
}

.experience-summary h3 span {
  color: var(--color-accent-bright);
}

.pending-data {
  width: fit-content;
  margin: 0;
  padding: 0.32rem 0.55rem;
  border: 1px dashed currentcolor;
  border-radius: var(--radius-sm);
  color: #7d899b;
  font-family: var(--font-mono);
  font-size: 0.68rem;
}

.experience-details > p {
  color: var(--color-text-inverse-soft);
}

.responsibility-list {
  display: grid;
  margin-top: var(--space-5);
  gap: var(--space-4);
}

.responsibility-list li {
  position: relative;
  padding-left: 1.35rem;
  color: #d1d7e1;
}

.responsibility-list li::before {
  position: absolute;
  top: 0.72em;
  left: 0;
  width: 0.38rem;
  height: 0.38rem;
  border: 1px solid var(--color-accent-bright);
  border-radius: 50%;
  content: "";
}

.experience-details details {
  margin-top: var(--space-5);
}

.experience-details summary {
  width: fit-content;
  color: var(--color-accent-bright);
  font-weight: 700;
  cursor: pointer;
}

.responsibility-list-extra {
  margin-left: 0.5rem;
  padding-left: var(--space-5);
  border-left: 1px solid var(--color-line-dark);
}

/* Skills */
.skills-layout {
  display: grid;
  gap: var(--space-6);
}

.skills-intro > p:last-child {
  max-width: 540px;
  margin-top: var(--space-5);
  color: var(--color-text-soft);
}

.skills-grid {
  display: grid;
  border-top: 1px solid var(--color-line);
}

.skill-group {
  display: grid;
  padding: var(--space-6) 0;
  border-bottom: 1px solid var(--color-line);
  grid-template-columns: 3.25rem 1fr;
  gap: 0 var(--space-4);
}

.skill-icon {
  display: grid;
  width: 2.8rem;
  height: 2.8rem;
  border: 1px solid #cdd7e7;
  border-radius: var(--radius-sm);
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 750;
  place-items: center;
}

.skill-group h3 {
  margin-bottom: var(--space-4);
  align-self: center;
  font-size: 1.2rem;
  letter-spacing: -0.025em;
}

.skill-group ul {
  display: flex;
  grid-column: 2;
  flex-wrap: wrap;
  gap: 0.45rem 1rem;
}

.skill-group li {
  position: relative;
  color: var(--color-text-soft);
  font-size: 0.88rem;
}

.skill-group li:not(:last-child)::after {
  position: absolute;
  top: 0.75em;
  right: -0.65rem;
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: #aeb8c8;
  content: "";
}

/* Education */
.education-section {
  background: #fff;
}

.education-grid {
  display: grid;
  gap: var(--space-4);
}

.education-card {
  display: grid;
  padding: clamp(1.4rem, 4vw, 2.25rem);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  grid-template-columns: 3.5rem 1fr;
  gap: var(--space-4);
}

.education-main {
  border-color: #cbd8ef;
  background: var(--color-accent-soft);
}

.education-mark {
  display: grid;
  width: 3.2rem;
  height: 3.2rem;
  border-radius: 50%;
  background: var(--color-ink);
  color: var(--color-accent-bright);
  font-family: var(--font-mono);
  font-weight: 800;
  place-items: center;
}

.education-type {
  margin-bottom: var(--space-3);
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.education-card h3 {
  margin-bottom: var(--space-3);
  font-size: clamp(1.25rem, 2.5vw, 1.65rem);
  letter-spacing: -0.03em;
}

.education-card h3 + p {
  color: var(--color-text-soft);
}

/* Contact and footer */
.contact-section {
  padding-block: var(--space-9);
}

.contact-grid {
  display: grid;
  gap: var(--space-7);
}

.contact-copy h2 {
  margin-bottom: var(--space-5);
  font-size: clamp(2.6rem, 7vw, 5.5rem);
  font-weight: 600;
  letter-spacing: -0.065em;
}

.contact-copy > p:not(.section-index) {
  max-width: 590px;
  margin-bottom: var(--space-6);
  color: var(--color-text-inverse-soft);
  font-size: 1.05rem;
}

.contact-list {
  display: grid;
  border-top: 1px solid var(--color-line-dark);
  font-style: normal;
}

.contact-item {
  display: grid;
  padding: 1.35rem 0;
  border-bottom: 1px solid var(--color-line-dark);
  grid-template-columns: 5.5rem 1fr;
  gap: var(--space-4);
}

.contact-item > span {
  color: #778399;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.contact-item a,
.contact-item button,
.contact-item p {
  margin: 0;
  color: #f2f5f9;
  font-weight: 650;
  text-align: left;
}

.contact-item button {
  padding: 0;
  border: 0;
  background: none;
  cursor: pointer;
}

.contact-item a:hover,
.contact-item button:hover {
  color: var(--color-accent-bright);
}

.site-footer {
  border-top: 1px solid var(--color-line-dark);
  background: #070a10;
  color: #8f9aac;
}

.footer-inner {
  display: flex;
  padding-block: 1.5rem;
  align-items: flex-start;
  flex-direction: column;
  gap: var(--space-4);
  font-size: 0.76rem;
}

.footer-inner p {
  margin: 0;
}

.footer-links {
  display: flex;
  gap: var(--space-5);
}

.footer-links a:hover,
.back-to-top:hover {
  color: #fff;
}

/* Dialogs */
.project-dialog {
  width: min(calc(100% - 1rem), 980px);
  max-height: calc(100dvh - 1rem);
  padding: 0;
  overflow: auto;
  border: 1px solid #2d3747;
  border-radius: var(--radius-lg);
  background: var(--color-ink);
  color: var(--color-text-inverse);
  box-shadow: var(--shadow-lg);
}

.project-dialog::backdrop {
  background: rgb(2 5 10 / 80%);
  backdrop-filter: blur(6px);
}

.project-dialog[open] {
  animation: dialog-in var(--transition-base) both;
}

.dialog-shell {
  position: relative;
}

.dialog-close {
  position: sticky;
  z-index: 2;
  top: 0.75rem;
  display: grid;
  width: 2.7rem;
  height: 2.7rem;
  margin: 0.75rem 0.75rem -3.45rem auto;
  border: 1px solid rgb(255 255 255 / 22%);
  border-radius: 50%;
  background: rgb(7 11 18 / 78%);
  color: #fff;
  font-size: 1.45rem;
  line-height: 1;
  cursor: pointer;
  backdrop-filter: blur(10px);
  place-items: center;
}

.dialog-close:hover {
  background: var(--color-accent);
}

.dialog-hero {
  padding: 3.75rem 1.25rem 1.5rem;
}

.dialog-hero > p:first-child {
  margin-bottom: var(--space-4);
  color: var(--color-accent-bright);
  font-family: var(--font-mono);
  font-size: 0.66rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.dialog-hero h2 {
  max-width: 700px;
  margin-bottom: var(--space-5);
  font-size: clamp(2rem, 5vw, 4.2rem);
  font-weight: 600;
  letter-spacing: -0.055em;
}

.dialog-hero > p:last-child {
  max-width: 700px;
  margin: 0;
  color: var(--color-text-inverse-soft);
  font-size: 1rem;
}

.dialog-image {
  width: calc(100% - 1.5rem);
  margin-inline: auto;
  border: 1px solid #283244;
  border-radius: var(--radius-md);
  background: #101722;
}

.case-grid {
  display: grid;
  padding: 2rem 1.25rem 1rem;
  gap: var(--space-5);
}

.case-grid section {
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-line-dark);
}

.case-grid h3 {
  margin-bottom: var(--space-3);
  color: var(--color-accent-bright);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.case-grid p {
  margin: 0;
  color: #c4ccd8;
  font-size: 0.9rem;
}

.dialog-tags {
  display: flex;
  padding: 1rem 1.25rem 2rem;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.dialog-tags span {
  padding: 0.4rem 0.65rem;
  border: 1px solid #313d50;
  border-radius: 999px;
  color: #adb8c8;
  font-family: var(--font-mono);
  font-size: 0.66rem;
}

@keyframes dialog-in {
  from { opacity: 0; transform: translateY(1rem) scale(0.985); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

/* Toast and reveal */
.toast {
  position: fixed;
  z-index: 300;
  right: 1rem;
  bottom: 1rem;
  max-width: min(360px, calc(100% - 2rem));
  padding: 0.85rem 1rem;
  border: 1px solid #2c3c55;
  border-radius: var(--radius-md);
  background: #111a28;
  color: #fff;
  box-shadow: var(--shadow-lg);
  font-size: 0.82rem;
  opacity: 0;
  pointer-events: none;
  transform: translateY(1rem);
  transition: opacity var(--transition-base), transform var(--transition-base);
}

.toast.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.js [data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 700ms ease, transform 700ms cubic-bezier(0.2, 0.8, 0.2, 1);
}

.js [data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (min-width: 480px) {
  .brand-name {
    display: inline;
    font-size: 0.9rem;
  }

  .button-group {
    align-items: center;
    flex-direction: row;
  }

  .button {
    min-width: 10.5rem;
  }

  .dialog-hero,
  .case-grid,
  .dialog-tags {
    padding-right: 2rem;
    padding-left: 2rem;
  }

  .dialog-image {
    width: calc(100% - 4rem);
  }
}

@media (min-width: 700px) {
  .container {
    width: min(calc(100% - 3rem), var(--container));
  }

  .heading-row {
    display: flex;
    max-width: none;
    align-items: flex-end;
    justify-content: space-between;
    gap: var(--space-7);
  }

  .heading-row > p,
  .availability-badge {
    margin-bottom: 0.4rem;
  }

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

  .experience-card {
    grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  }

  .skills-grid {
    border-left: 1px solid var(--color-line);
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .skill-group {
    padding: var(--space-6);
  }

  .skill-group:nth-child(odd) {
    border-right: 1px solid var(--color-line);
  }

  .education-grid {
    grid-template-columns: 1.25fr 0.75fr;
  }

  .contact-grid {
    grid-template-columns: minmax(0, 1.25fr) minmax(300px, 0.75fr);
    align-items: end;
  }

  .footer-inner {
    align-items: center;
    justify-content: space-between;
    flex-direction: row;
  }

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

@media (min-width: 960px) {
  :root {
    --header-height: 82px;
  }

  .nav-toggle {
    display: none;
  }

  .primary-nav {
    position: static;
    display: flex;
    padding: 0;
    background: transparent;
    flex-direction: row;
    align-items: center;
    gap: 1.45rem;
    opacity: 1;
    pointer-events: auto;
    transform: none;
  }

  .primary-nav a {
    padding: 0.3rem 0;
    border: 0;
    font-size: 0.75rem;
    font-weight: 640;
  }

  .primary-nav .nav-cta {
    margin: 0 0 0 0.35rem;
    padding: 0.65rem 1rem;
  }

  .hero {
    display: flex;
    padding-top: calc(var(--header-height) + 4rem);
    align-items: center;
  }

  .hero-grid {
    grid-template-columns: minmax(0, 1.25fr) minmax(400px, 0.75fr);
  }

  .hero h1 {
    font-size: clamp(4rem, 6.8vw, 6.35rem);
  }

  .hero-system {
    min-height: 540px;
  }

  .orbit-one {
    width: 300px;
    height: 300px;
  }

  .orbit-two {
    width: 480px;
    height: 480px;
  }

  .hero-metrics {
    position: absolute;
    right: 0;
    bottom: 0;
    left: 0;
    grid-template-columns: repeat(3, 1fr);
  }

  .hero-metrics > div {
    padding: 1.2rem 1.5rem;
    border-right: 1px solid rgb(255 255 255 / 10%);
    border-bottom: 0;
  }

  .hero-metrics > div:first-child {
    padding-left: 0;
  }

  .about-grid {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    gap: var(--space-8);
  }

  .about-grid .section-heading {
    position: sticky;
    top: calc(var(--header-height) + 2rem);
    align-self: start;
  }

  .project-card-featured {
    display: grid;
    grid-column: span 2;
    grid-template-columns: minmax(0, 1.25fr) minmax(320px, 0.75fr);
  }

  .project-card-featured .project-visual {
    border-right: 1px solid var(--color-line);
    border-bottom: 0;
  }

  .project-card-featured .project-visual img {
    height: 100%;
    aspect-ratio: auto;
  }

  .project-card-featured .project-body {
    display: flex;
    justify-content: center;
    flex-direction: column;
  }

  .skills-layout {
    grid-template-columns: minmax(320px, 0.8fr) minmax(0, 1.2fr);
    gap: var(--space-8);
  }

  .skills-intro {
    position: sticky;
    top: calc(var(--header-height) + 2rem);
    align-self: start;
  }

  .dialog-hero {
    padding-top: 4.5rem;
  }

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

@media (min-width: 1280px) {
  .section,
  .contact-section {
    padding-block: 8rem;
  }

  .hero-grid {
    gap: var(--space-9);
  }
}

@media (max-width: 420px) {
  .hero-system {
    min-height: 390px;
    margin-inline: -0.4rem;
  }

  .orbit-one {
    width: 220px;
    height: 220px;
  }

  .orbit-two {
    width: 330px;
    height: 330px;
  }

  .system-core {
    width: 120px;
    height: 120px;
  }

  .system-core strong {
    font-size: 2rem;
  }

  .system-node {
    width: 124px;
    padding: 0.65rem;
  }

  .system-node strong {
    font-size: 0.74rem;
  }

  .node-support,
  .node-digital {
    left: 0;
  }

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

  .contact-item {
    grid-template-columns: 1fr;
    gap: 0.35rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .js [data-reveal] {
    opacity: 1;
    transform: none;
  }
}

@media (prefers-contrast: more) {
  :root {
    --color-text-soft: #424a57;
    --color-text-inverse-soft: #c4ccd7;
    --color-line: #aeb8c6;
  }
}

.error-page {
  min-height: 100svh;
  background:
    linear-gradient(rgb(255 255 255 / 3%) 1px, transparent 1px),
    linear-gradient(90deg, rgb(255 255 255 / 3%) 1px, transparent 1px),
    var(--color-ink);
  background-size: 64px 64px;
  color: var(--color-text-inverse);
}

.error-layout {
  display: grid;
  width: min(calc(100% - 2rem), 760px);
  min-height: 100svh;
  margin-inline: auto;
  place-items: center start;
}

.error-layout h1 {
  margin-bottom: var(--space-5);
  font-size: clamp(3rem, 10vw, 6rem);
  letter-spacing: -0.06em;
}

.error-layout p:not(.section-index) {
  max-width: 520px;
  margin-bottom: var(--space-6);
  color: var(--color-text-inverse-soft);
}