/* Base */
:root {
  color-scheme: light dark;
  --bg: #0b1220;
  --bg-2: #0f1a30;
  --card: rgba(255, 255, 255, 0.06);
  --text: rgba(255, 255, 255, 0.92);
  --muted: rgba(255, 255, 255, 0.72);
  --border: rgba(255, 255, 255, 0.12);
  --accent: #67e8f9;
  --accent-2: #a78bfa;
  --focus: #fbbf24;
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
  --radius: 16px;
  --max: 1100px;

  --btn-bg: #000;
  --btn-fg: #fff;
  --btn-border: #000;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #f8fafc;
    --bg-2: #eef2ff;
    --card: rgba(2, 6, 23, 0.04);
    --text: rgba(2, 6, 23, 0.92);
    --muted: rgba(2, 6, 23, 0.72);
    --border: rgba(2, 6, 23, 0.12);
    --accent: #0ea5e9;
    --accent-2: #7c3aed;
    --focus: #b45309;
    --shadow: 0 10px 25px rgba(2, 6, 23, 0.10);
  }
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji",
    "Segoe UI Emoji";
  line-height: 1.55;
  background: radial-gradient(1200px 700px at 25% -10%, rgba(103, 232, 249, 0.14), transparent 60%),
    radial-gradient(900px 600px at 85% 10%, rgba(167, 139, 250, 0.14), transparent 55%),
    linear-gradient(180deg, var(--bg), var(--bg-2));
  color: var(--text);
}

a {
  color: inherit;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

a:hover {
  text-decoration-thickness: 2px;
}

:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 3px;
  border-radius: 10px;
}

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

.skip-link {
  position: absolute;
  left: 1rem;
  top: 1rem;
  transform: translateY(-200%);
  padding: 0.6rem 0.9rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 999px;
  box-shadow: var(--shadow);
}

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

/* Header / Nav */
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(10px);
  background: color-mix(in oklab, var(--bg) 70%, transparent);
  border-bottom: 1px solid var(--border);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
  padding: 0.95rem 0;
}

.nav__brand {
  display: grid;
  gap: 0.25rem;
}

.nav__home {
  font-weight: 700;
  letter-spacing: -0.02em;
  text-decoration: none;
}

.nav__role {
  font-size: 0.9rem;
  color: var(--muted);
}

.nav__links {
  list-style: none;
  display: flex;
  gap: 0.9rem;
  padding: 0;
  margin: 0;
}


.nav__links a,
.nav__dropdown-trigger {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  padding: 0.45rem 0.6rem;
  border-radius: 999px;
  border: 1px solid transparent;
}

.nav__links a:hover,
.nav__dropdown-trigger:hover {
  border-color: var(--border);
  background: color-mix(in oklab, var(--card) 70%, transparent);
}

.nav__dropdown {
  position: relative;
}

.nav__dropdown-trigger {
  appearance: none;
  background: transparent;
  color: inherit;
  font: inherit;
  margin: 0;
  line-height: inherit;
  cursor: pointer;
}

.nav__dropdown-menu {
  display: none;
  list-style: none;
  margin: 0;
  padding: 0.4rem;
  position: absolute;
  top: calc(100% + 0.35rem);
  right: 0;
  min-width: 240px;
  background: color-mix(in oklab, var(--bg) 92%, transparent);
  border: 1px solid var(--border);
  border-radius: 14px;
  box-shadow: var(--shadow);
}

.nav__dropdown:hover .nav__dropdown-menu,
.nav__dropdown:focus-within .nav__dropdown-menu {
  display: grid;
  gap: 0.15rem;
}

.nav__dropdown-menu a {
  display: block;
  padding: 0.55rem 0.7rem;
  border-radius: 12px;
  border: 1px solid transparent;
}

.nav__dropdown-menu a:hover {
  border-color: var(--border);
  background: color-mix(in oklab, var(--card) 70%, transparent);
}

.nav__label {
  display: inline-flex;
  align-items: center;
  padding: 0.45rem 0.35rem;
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 650;
  letter-spacing: -0.01em;
  user-select: none;
}

@media (max-width: 820px) {
  .nav {
    flex-direction: column;
    align-items: flex-start;
  }
  .nav__links {
    flex-wrap: wrap;
  }

  .nav__dropdown-menu {
    position: static;
    min-width: 0;
    padding: 0.35rem 0 0;
    border: 0;
    box-shadow: none;
    background: transparent;
  }
}

/* Hero */
.hero {
  padding: 3.2rem 0 2.2rem;
}

.hero__grid {
  display: grid;
  grid-template-columns: 1.35fr 0.75fr;
  gap: 1.5rem;
  align-items: start;
}

.hero__side {
  display: grid;
  gap: 1rem;
}

.hero__kicker {
  margin: 0 0 0.75rem;
  color: var(--muted);
}

.hero__title {
  font-size: clamp(2rem, 4vw, 3.1rem);
  line-height: 1.05;
  letter-spacing: -0.035em;
  margin: 0 0 1rem;
}

.hero__lead {
  margin: 0 0 1.2rem;
  color: var(--muted);
  font-size: 1.05rem;
}

.hero__cta {
  display: flex;
  gap: 0.8rem;
  flex-wrap: wrap;
  margin: 1.1rem 0 1.4rem;
}

.hero__meta {
  margin: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.7rem;
  padding: 0;
}

.hero__meta > div {
  display: grid;
  gap: 0.15rem;
}

.hero__meta dt {
  font-size: 0.85rem;
  color: var(--muted);
}

.hero__meta dd {
  margin: 0;
}

@media (max-width: 980px) {
  .hero__grid {
    grid-template-columns: 1fr;
  }
}

/* Chat */
.chat {
  margin-top: 0.9rem;
}

.chat__messages {
  display: grid;
  gap: 0.6rem;
  max-height: 260px;
  overflow: auto;
  padding-right: 0.25rem;
}

.chat__msg {
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 0.7rem 0.75rem;
  background: color-mix(in oklab, var(--bg) 75%, transparent);
}

.chat__msg--user {
  background: color-mix(in oklab, var(--card) 70%, transparent);
}

.chat__msg-role {
  font-size: 0.85rem;
  color: var(--muted);
  margin-bottom: 0.15rem;
}

.chat__msg-text {
  white-space: pre-wrap;
}

.chat__form {
  display: grid;
  gap: 0.6rem;
  margin-top: 0.75rem;
}

/* Sections */
.section {
  padding: 2.6rem 0;
}

.section--alt {
  background: color-mix(in oklab, var(--card) 55%, transparent);
  border-block: 1px solid var(--border);
}

h2 {
  font-size: 1.6rem;
  letter-spacing: -0.02em;
  margin: 0 0 1rem;
}

h3 {
  margin: 0;
  font-size: 1.2rem;
  letter-spacing: -0.02em;
}

.prose {
  color: var(--muted);
  max-width: 78ch;
}

.muted {
  color: var(--muted);
}

/* UI building blocks */
.card {
  background: color-mix(in oklab, var(--card) 80%, transparent);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.1rem;
  box-shadow: var(--shadow);
}

.card__title {
  margin: 0 0 0.75rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.7rem 1rem;
  border-radius: 8px;
  border: 1px solid var(--btn-border);
  background: var(--btn-bg);
  color: var(--btn-fg);
  text-decoration: none;
  font-weight: 650;
  letter-spacing: -0.01em;
  cursor: pointer;
}

.btn:hover {
  opacity: 0.92;
}

.btn--ghost {
  background: transparent;
  border-color: var(--btn-border);
  color: var(--btn-border);
  opacity: 1;
}

@media (prefers-color-scheme: dark) {
  .btn--ghost {
    color: var(--btn-fg);
  }
}

.list {
  margin: 0.7rem 0 0;
  padding-left: 1.1rem;
  color: var(--muted);
}

.list li {
  margin: 0.35rem 0;
}

.timeline {
  padding: 1.2rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: color-mix(in oklab, var(--card) 70%, transparent);
  box-shadow: var(--shadow);
}

.timeline + .timeline {
  margin-top: 1rem;
}

.timeline__header {
  display: grid;
  gap: 0.35rem;
}

.timeline__meta {
  margin: 0;
  color: var(--muted);
}

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

@media (max-width: 880px) {
  .grid-2 {
    grid-template-columns: 1fr;
  }
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0;
}

.tags span {
  display: inline-flex;
  padding: 0.4rem 0.65rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: color-mix(in oklab, var(--bg) 75%, transparent);
  color: var(--text);
  font-size: 0.92rem;
}

.callout {
  margin-top: 1.25rem;
  padding: 1rem 1.1rem;
  border-radius: var(--radius);
  border: 1px dashed color-mix(in oklab, var(--accent) 45%, var(--border));
  background: color-mix(in oklab, var(--card) 70%, transparent);
  color: var(--muted);
}

.contact {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 1rem;
}

/* Projects */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

@media (max-width: 980px) {
  .projects-grid {
    grid-template-columns: 1fr;
  }
}

.project-card {
  overflow: hidden;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: color-mix(in oklab, var(--card) 75%, transparent);
  box-shadow: var(--shadow);
  display: grid;
}

.project-card__img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  border-bottom: 1px solid var(--border);
}

.project-card__body {
  padding: 1rem;
  display: grid;
  gap: 0.7rem;
}

.project-card__head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.75rem;
}

.project-card__links {
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
}

.badge {
  display: inline-flex;
  padding: 0.3rem 0.6rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: color-mix(in oklab, var(--bg) 72%, transparent);
  color: var(--muted);
  font-size: 0.85rem;
  white-space: nowrap;
}

/* Footer */
.footer {
  padding: 1.4rem 0 2rem;
}

.footer__row {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  border-top: 1px solid var(--border);
  padding-top: 1.2rem;
}

/* Admin form */
.field {
  display: grid;
  gap: 0.4rem;
}

.field__label {
  font-size: 0.9rem;
  color: var(--muted);
}

.field__input {
  width: 100%;
  padding: 0.7rem 0.8rem;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: color-mix(in oklab, var(--bg) 78%, transparent);
  color: var(--text);
}

.field__input::placeholder {
  color: color-mix(in oklab, var(--muted) 80%, transparent);
}

textarea.field__input {
  resize: vertical;
}

.admin-list {
  margin-top: 1rem;
  display: grid;
  gap: 0.8rem;
}

.admin-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.9rem;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: color-mix(in oklab, var(--card) 70%, transparent);
}

.admin-row__left {
  display: grid;
  gap: 0.25rem;
}

.admin-row__title {
  font-weight: 700;
  letter-spacing: -0.01em;
}

.admin-row__actions {
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
}