:root {
  --bg: #09090f;
  --bg-soft: #12131b;
  --surface: rgba(15, 19, 31, 0.72);
  --surface-strong: rgba(22, 27, 44, 0.92);
  --surface-light: rgba(255, 255, 255, 0.08);
  --text: #f4f7fb;
  --muted: #aab4c8;
  --line: rgba(255, 255, 255, 0.12);
  --accent: #5ea2ff;
  --accent-strong: #2f6fe4;
  --accent-soft: rgba(94, 162, 255, 0.18);
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.35);
  --radius-xl: 32px;
  --radius-lg: 24px;
  --radius-md: 18px;
  --max: 1200px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

html[data-theme="light"] {
  --bg: #f5f7fb;
  --bg-soft: #eef2f9;
  --surface: rgba(255, 255, 255, 0.72);
  --surface-strong: rgba(255, 255, 255, 0.92);
  --surface-light: rgba(18, 22, 35, 0.06);
  --text: #0f1728;
  --muted: #536074;
  --line: rgba(15, 23, 40, 0.1);
  --accent: #2563eb;
  --accent-strong: #1e4ec8;
  --accent-soft: rgba(37, 99, 235, 0.12);
  --shadow: 0 24px 70px rgba(24, 48, 90, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Inter", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(94, 162, 255, 0.18), transparent 30%),
    radial-gradient(circle at 80% 15%, rgba(138, 92, 246, 0.18), transparent 24%),
    linear-gradient(180deg, var(--bg) 0%, var(--bg-soft) 100%);
  min-height: 100dvh;
  line-height: 1.6;
  overflow-x: hidden;
  transition: background 280ms var(--ease), color 280ms var(--ease);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: radial-gradient(circle at center, black 25%, transparent 85%);
  opacity: 0.18;
}

html[data-theme="light"] body::before {
  background-image:
    linear-gradient(rgba(15, 23, 40, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(15, 23, 40, 0.05) 1px, transparent 1px);
}

img {
  max-width: 100%;
}

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

button,
input,
textarea {
  font: inherit;
}

.skip-link {
  position: absolute;
  top: -52px;
  left: 16px;
  z-index: 200;
  padding: 12px 16px;
  border-radius: 999px;
  background: #0f1728;
  color: #fff;
  transition: top 180ms var(--ease);
}

.skip-link:focus {
  top: 16px;
}

.bg-orb {
  position: fixed;
  border-radius: 999px;
  filter: blur(22px);
  opacity: 0.8;
  pointer-events: none;
}

.orb-a {
  width: 300px;
  height: 300px;
  top: 6%;
  left: -90px;
  background: rgba(94, 162, 255, 0.26);
}

.orb-b {
  width: 340px;
  height: 340px;
  right: -110px;
  bottom: 14%;
  background: rgba(138, 92, 246, 0.18);
}

.noise {
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.08;
  background-image: radial-gradient(circle, rgba(255, 255, 255, 0.45) 0.7px, transparent 0.7px);
  background-size: 14px 14px;
  mix-blend-mode: overlay;
}

.page-shell {
  width: min(calc(100% - 32px), var(--max));
  margin: 0 auto;
  padding: 22px 0 48px;
}

.site-header {
  position: sticky;
  top: 16px;
  z-index: 50;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 18px;
  align-items: center;
  padding: 14px 18px;
  margin-bottom: 34px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(10, 12, 20, 0.58);
  backdrop-filter: blur(22px);
  box-shadow: var(--shadow);
}

html[data-theme="light"] .site-header {
  background: rgba(255, 255, 255, 0.78);
}

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

.brand-mark {
  width: 48px;
  height: 48px;
  border-radius: 18px;
  display: grid;
  place-items: center;
  font-weight: 800;
  color: white;
  background: linear-gradient(145deg, #2a4dbb, #63b3ff);
  box-shadow: 0 16px 30px rgba(46, 102, 224, 0.3);
}

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

.brand small {
  color: var(--muted);
  font-size: 0.74rem;
}

.nav {
  display: inline-flex;
  justify-content: center;
  gap: 28px;
  color: var(--muted);
  font-size: 0.96rem;
}

.nav a {
  position: relative;
}

.nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 100%;
  height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 220ms var(--ease);
}

.nav a:hover::after,
.nav a:focus-visible::after {
  transform: scaleX(1);
}

.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 68px;
  height: 42px;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface-light);
  cursor: pointer;
}

.theme-toggle-track {
  position: relative;
  width: 100%;
  height: 100%;
}

.theme-toggle-thumb {
  position: absolute;
  inset: 4px auto 4px 4px;
  width: 26px;
  border-radius: 999px;
  background: linear-gradient(135deg, #ffffff, #8fbaff);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.18);
  transition: transform 220ms var(--ease);
}

html[data-theme="light"] .theme-toggle-thumb {
  transform: translateX(26px);
  background: linear-gradient(135deg, #1a4bd0, #6eb2ff);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(320px, 0.8fr);
  gap: 34px;
  align-items: center;
  padding: 42px 0 64px;
  min-height: calc(100dvh - 170px);
}

.eyebrow {
  margin: 0 0 18px;
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
}

h1,
h2,
h3 {
  margin: 0;
  letter-spacing: -0.03em;
}

h1,
.section-heading h2,
.cv-panel h2,
.contact-copy h2 {
  font-family: "Playfair Display", serif;
}

h1 {
  font-size: clamp(3.5rem, 8vw, 6.9rem);
  line-height: 0.92;
  max-width: 11ch;
}

.page-title {
  font-size: clamp(2.8rem, 7vw, 4.8rem);
  max-width: 14ch;
}

h1 span {
  color: #8ec0ff;
}

html[data-theme="light"] h1 span {
  color: var(--accent-strong);
}

.hero-lead,
.section-heading p,
.cv-panel p,
.contact-copy p,
.identity-card p,
.mini-card p,
.expertise-card p,
.featured-post p {
  color: var(--muted);
}

.hero-lead {
  max-width: 62ch;
  margin: 26px 0 0;
  font-size: 1.06rem;
}

.hero-actions,
.cv-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 30px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 22px;
  border-radius: 999px;
  font-weight: 700;
  border: 1px solid transparent;
  cursor: pointer;
  transition:
    transform 220ms var(--ease),
    background-color 220ms var(--ease),
    color 220ms var(--ease),
    border-color 220ms var(--ease),
    box-shadow 220ms var(--ease);
}

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

.button:active {
  transform: scale(0.985);
}

.button-primary {
  color: white;
  background: linear-gradient(135deg, var(--accent-strong), var(--accent));
  box-shadow: 0 18px 40px rgba(47, 111, 228, 0.34);
}

.button-secondary {
  color: var(--text);
  background: var(--surface-light);
  border-color: var(--line);
}

.button-small {
  min-height: 42px;
  padding: 0 16px;
  font-size: 0.92rem;
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  padding: 0;
  margin: 34px 0 0;
  list-style: none;
}

.hero-metrics li,
.mini-card,
.expertise-card,
.featured-post,
.glass-card,
.contact-card {
  border: 1px solid var(--line);
  background: var(--surface);
  backdrop-filter: blur(22px);
  box-shadow: var(--shadow);
}

.hero-metrics li {
  padding: 18px;
  border-radius: var(--radius-md);
}

.hero-metrics strong,
.hero-metrics span {
  display: block;
}

.hero-metrics strong {
  font-size: 0.96rem;
}

.hero-metrics span {
  margin-top: 6px;
  color: var(--muted);
  font-size: 0.9rem;
}

.hero-panel {
  display: grid;
  gap: 18px;
}

.glass-card {
  padding: 28px;
  border-radius: var(--radius-xl);
}

.identity-card h2 {
  margin-top: 10px;
  font-size: 2rem;
}

.card-kicker,
.mini-index,
.featured-meta span,
.featured-meta time {
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent);
}

.pill-row,
.contact-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.pill-row span,
.contact-pills span {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 0 14px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--text);
  border: 1px solid rgba(94, 162, 255, 0.22);
  font-size: 0.9rem;
}

.stack-cards {
  display: grid;
  gap: 14px;
}

.mini-card {
  padding: 20px;
  border-radius: var(--radius-lg);
}

.mini-card h3,
.expertise-card h3,
.featured-post h3 {
  margin-top: 8px;
  font-size: 1.2rem;
}

.section {
  padding: 56px 0;
}

.section-heading {
  max-width: 700px;
  margin-bottom: 26px;
}

.section-heading h2,
.cv-panel h2,
.contact-copy h2 {
  font-size: clamp(2.1rem, 5vw, 3.4rem);
  line-height: 1;
}

.expertise-grid,
.contact-layout,
.booking-layout,
.admin-layout {
  display: grid;
  gap: 18px;
}

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

.expertise-card {
  padding: 24px;
  border-radius: var(--radius-lg);
}

.cv-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 20px;
  align-items: center;
}

.featured-post {
  padding: 28px;
  border-radius: var(--radius-xl);
}

.featured-meta {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.inline-link {
  display: inline-flex;
  margin-top: 14px;
  color: #9bc6ff;
  font-weight: 700;
}

html[data-theme="light"] .inline-link {
  color: var(--accent-strong);
}

.booking-layout,
.contact-layout {
  grid-template-columns: minmax(0, 0.95fr) minmax(320px, 0.85fr);
  align-items: start;
}

.admin-layout {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-bottom: 18px;
}

.booking-slots,
.booking-form,
.contact-card,
.admin-block {
  padding: 24px;
  border-radius: var(--radius-xl);
  display: grid;
  gap: 14px;
}

.booking-form label,
.contact-card label,
.admin-login-form label,
.admin-slot-form label {
  display: grid;
  gap: 8px;
  font-weight: 600;
}

.booking-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  flex-wrap: wrap;
}

.slots-list,
.admin-list {
  display: grid;
  gap: 12px;
}

.slot-card,
.admin-item,
.booking-item {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.03);
  padding: 16px;
}

html[data-theme="light"] .slot-card,
html[data-theme="light"] .admin-item,
html[data-theme="light"] .booking-item {
  background: rgba(15, 23, 40, 0.03);
}

.slot-card.selected {
  border-color: rgba(94, 162, 255, 0.7);
  box-shadow: 0 0 0 4px rgba(94, 162, 255, 0.16);
}

.slot-card button,
.admin-item button {
  margin-top: 12px;
}

.slot-meta,
.admin-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  color: var(--muted);
  font-size: 0.92rem;
}

.status-inline {
  min-height: 24px;
  color: var(--muted);
  font-size: 0.94rem;
}

.status-inline.success {
  color: #5de0a3;
}

.status-inline.error {
  color: #ff8a8a;
}

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

input,
textarea {
  width: 100%;
  min-height: 50px;
  padding: 14px 16px;
  border-radius: 16px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  outline: none;
  transition: border-color 200ms var(--ease), box-shadow 200ms var(--ease), background 200ms var(--ease);
}

html[data-theme="light"] input,
html[data-theme="light"] textarea {
  background: rgba(15, 23, 40, 0.03);
}

textarea {
  min-height: 124px;
  resize: vertical;
}

input:focus,
textarea:focus,
.button:focus-visible,
.nav a:focus-visible,
.theme-toggle:focus-visible {
  box-shadow: 0 0 0 4px rgba(94, 162, 255, 0.2);
  border-color: rgba(94, 162, 255, 0.65);
  outline: none;
}

.cv-viewer-wrap {
  padding-top: 8px;
}

.cv-viewer-shell {
  border: 1px solid var(--line);
  background: var(--surface);
  backdrop-filter: blur(22px);
  box-shadow: var(--shadow);
  border-radius: var(--radius-xl);
  padding: 14px;
}

.cv-viewer {
  display: block;
  width: 100%;
  min-height: 82vh;
  border: 0;
  border-radius: calc(var(--radius-xl) - 8px);
  background: white;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  align-items: center;
  padding-top: 18px;
  margin-top: 16px;
  border-top: 1px solid var(--line);
  color: var(--muted);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 600ms var(--ease), transform 600ms var(--ease);
}

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

.magnetic {
  transition: transform 260ms var(--ease), box-shadow 260ms var(--ease), border-color 260ms var(--ease);
  will-change: transform;
}

.magnetic:hover {
  box-shadow: 0 30px 80px rgba(23, 33, 56, 0.34);
  border-color: rgba(94, 162, 255, 0.28);
}

@media (max-width: 1024px) {
  .site-header,
  .hero,
  .cv-panel,
  .booking-layout,
  .contact-layout,
  .admin-layout {
    grid-template-columns: 1fr;
  }

  .site-header {
    border-radius: 26px;
  }

  .nav {
    justify-content: flex-start;
    overflow-x: auto;
    padding-bottom: 4px;
  }

  .hero {
    min-height: auto;
  }

  .hero-metrics,
  .expertise-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .page-shell {
    width: min(calc(100% - 20px), var(--max));
  }

  .site-header {
    padding: 14px;
    top: 10px;
  }

  .brand span:last-child {
    max-width: 160px;
  }

  h1 {
    font-size: clamp(3rem, 16vw, 4.4rem);
  }

  .glass-card,
  .featured-post,
  .contact-card,
  .expertise-card,
  .mini-card,
  .hero-metrics li {
    padding: 20px;
  }

  .site-footer {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }

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