@import url("https://fonts.googleapis.com/css2?family=Instrument+Sans:wght@400;500;600;700&family=Space+Grotesk:wght@500;700&display=swap");

:root {
  --bg: #0b0f17;
  --bg-elevated: rgba(20, 27, 43, 0.72);
  --bg-strong: #111827;
  --surface: rgba(17, 24, 39, 0.82);
  --surface-border: rgba(255, 255, 255, 0.08);
  --text: #eff4ff;
  --muted: #9aa6bf;
  --accent: #78d7ff;
  --accent-soft: rgba(120, 215, 255, 0.14);
  --accent-strong: #89f0c7;
  --shadow: 0 24px 70px rgba(0, 0, 0, 0.35);
  --radius-lg: 28px;
  --radius-md: 20px;
  --radius-sm: 14px;
  --max-width: 1160px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at 10% 10%, rgba(137, 240, 199, 0.09), transparent 30%),
    radial-gradient(circle at 90% 0%, rgba(120, 215, 255, 0.12), transparent 32%),
    linear-gradient(180deg, #070b12 0%, #0b0f17 42%, #0b1020 100%);
  color: var(--text);
  font-family: "Instrument Sans", "Segoe UI", sans-serif;
  line-height: 1.6;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: radial-gradient(circle at center, rgba(0, 0, 0, 0.52), transparent 88%);
}

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

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

.skip-link {
  position: absolute;
  left: 16px;
  top: -48px;
  background: var(--text);
  color: #06080d;
  padding: 10px 14px;
  border-radius: 999px;
  font-weight: 700;
  z-index: 30;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

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

.site-shell {
  width: min(calc(100% - 32px), var(--max-width));
  margin: 0 auto;
  padding-bottom: 56px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-top: 18px;
  padding: 14px 18px;
  border: 1px solid var(--surface-border);
  border-radius: 999px;
  background: rgba(7, 11, 18, 0.72);
  backdrop-filter: blur(18px);
  box-shadow: var(--shadow);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
}

.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(137, 240, 199, 0.16), rgba(120, 215, 255, 0.16));
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--accent-strong);
  font-family: "Space Grotesk", sans-serif;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.brand-copy {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.brand-copy strong,
.brand-copy small {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.brand-copy strong {
  font-size: 0.96rem;
}

.brand-copy small {
  color: var(--muted);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 22px;
}

.site-nav a {
  position: relative;
  color: var(--muted);
  font-size: 0.96rem;
}

.site-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -6px;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent-strong));
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 180ms ease;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: var(--text);
}

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

.menu-toggle {
  display: none;
  border: 0;
  border-radius: 999px;
  padding: 10px 14px;
  background: rgba(255, 255, 255, 0.08);
  color: var(--text);
  font: inherit;
  cursor: pointer;
}

.section {
  padding: 96px 0 0;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(300px, 0.8fr);
  gap: 28px;
  align-items: stretch;
  min-height: calc(100vh - 146px);
  padding-top: 56px;
}

.hero-copy,
.hero-panel,
.card,
.contact-panel {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--surface-border);
  background: linear-gradient(180deg, rgba(18, 25, 41, 0.9), rgba(11, 16, 28, 0.82));
  box-shadow: var(--shadow);
}

.hero-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 42px;
  border-radius: 36px;
}

.hero-copy::after,
.hero-panel::after,
.card::after,
.contact-panel::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(135deg, rgba(120, 215, 255, 0.06), transparent 42%, rgba(137, 240, 199, 0.04));
}

.eyebrow,
.section-kicker,
.panel-label,
.project-period,
.skill-group,
.timeline-meta,
.contact-label {
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.78rem;
  color: var(--accent);
}

.hero h1,
.section-heading h2,
.contact-copy h2 {
  margin: 0;
  font-family: "Space Grotesk", sans-serif;
  font-weight: 700;
  line-height: 1.03;
}

.hero h1 {
  margin-top: 16px;
  max-width: 12ch;
  font-size: clamp(3.3rem, 7vw, 6rem);
}

.hero-lead {
  max-width: 62ch;
  margin: 22px 0 0;
  color: var(--muted);
  font-size: 1.05rem;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 32px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 18px;
  border-radius: 999px;
  font-weight: 600;
  transition:
    transform 180ms ease,
    border-color 180ms ease,
    background 180ms ease;
}

.btn:hover,
.btn:focus-visible,
.contact-card:hover,
.contact-card:focus-visible,
.card:hover,
.card:focus-within {
  transform: translateY(-2px);
}

.btn-primary {
  color: #041019;
  background: linear-gradient(135deg, var(--accent-strong), var(--accent));
}

.btn-secondary,
.btn-ghost {
  border: 1px solid var(--surface-border);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.06);
}

.btn-ghost {
  background: transparent;
  color: var(--muted);
}

.signal-list {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
}

.signal-pill,
.tag {
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 999px;
  padding: 8px 12px;
  color: var(--muted);
  background: rgba(255, 255, 255, 0.04);
}

.hero-panel {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 16px;
  padding: 34px 30px;
  border-radius: 32px;
}

.hero-panel h2 {
  margin: 0;
  font-family: "Space Grotesk", sans-serif;
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  line-height: 1.08;
}

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

.panel-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 6px;
}

.panel-item {
  padding: 16px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.panel-item-label {
  display: block;
  margin-bottom: 6px;
  color: var(--muted);
  font-size: 0.86rem;
}

.panel-item-value {
  font-size: 1rem;
}

.section-heading {
  display: grid;
  gap: 12px;
  margin-bottom: 28px;
}

.section-heading h2 {
  max-width: 18ch;
  font-size: clamp(2rem, 4vw, 3.6rem);
}

.about-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(280px, 0.9fr);
  gap: 24px;
}

.card,
.contact-panel {
  border-radius: var(--radius-lg);
}

.about-copy {
  padding: 30px;
}

.about-copy p {
  margin: 0;
  color: var(--muted);
  font-size: 1.02rem;
}

.about-copy p + p {
  margin-top: 18px;
}

.metrics-grid {
  display: grid;
  gap: 16px;
}

.metric-card {
  padding: 22px 24px;
  border-radius: var(--radius-md);
  border: 1px solid var(--surface-border);
  background: linear-gradient(180deg, rgba(18, 25, 41, 0.86), rgba(10, 14, 26, 0.8));
  box-shadow: var(--shadow);
}

.metric-value {
  display: block;
  font-family: "Space Grotesk", sans-serif;
  font-size: clamp(2rem, 4vw, 3rem);
}

.metric-label {
  margin: 8px 0 0;
  color: var(--muted);
}

.skills-grid,
.projects-grid {
  display: grid;
  gap: 18px;
}

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

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

.assistant-layout {
  display: grid;
  grid-template-columns: minmax(280px, 0.7fr) minmax(0, 1.3fr);
  gap: 22px;
}

.assistant-info,
.assistant-chat {
  padding: 28px;
}

.assistant-status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 16px;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.05);
  color: var(--muted);
  font-size: 0.92rem;
}

.assistant-status.is-ready {
  color: var(--accent-strong);
  background: rgba(137, 240, 199, 0.1);
}

.assistant-status.is-degraded {
  color: #ffd27d;
  background: rgba(255, 210, 125, 0.1);
}

.assistant-status.is-offline {
  color: #ff9696;
  background: rgba(255, 150, 150, 0.12);
}

.assistant-info h3,
.chat-title {
  margin: 0;
  font-size: 1.08rem;
}

.assistant-description {
  margin: 14px 0 0;
  color: var(--muted);
}

.prompt-tag {
  cursor: pointer;
  color: var(--text);
}

.prompt-tag:hover,
.prompt-tag:focus-visible {
  border-color: rgba(120, 215, 255, 0.32);
  background: rgba(120, 215, 255, 0.08);
}

.chat-topbar {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}

.chat-label {
  margin: 0 0 6px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.78rem;
  color: var(--accent);
}

.chat-clear {
  border: 1px solid var(--surface-border);
  border-radius: 999px;
  background: transparent;
  color: var(--muted);
  padding: 10px 14px;
  font: inherit;
  cursor: pointer;
}

.chat-log {
  display: grid;
  gap: 14px;
  min-height: 300px;
  max-height: 480px;
  margin-top: 24px;
  padding-right: 4px;
  overflow-y: auto;
}

.chat-message {
  max-width: min(92%, 720px);
  padding: 16px 18px;
  border-radius: 18px;
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.chat-message.user {
  justify-self: end;
  background: rgba(120, 215, 255, 0.11);
}

.chat-message.assistant {
  background: rgba(255, 255, 255, 0.04);
}

.chat-role {
  display: block;
  margin-bottom: 6px;
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent);
}

.chat-content {
  margin: 0;
  white-space: pre-wrap;
}

.source-panel {
  margin-top: 20px;
  padding: 18px;
  border-radius: 22px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.03);
}

.source-title {
  margin: 0 0 14px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.78rem;
  color: var(--accent);
}

.source-list {
  display: grid;
  gap: 12px;
}

.source-card {
  padding: 14px 16px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.source-card-title {
  display: block;
  margin-bottom: 6px;
}

.source-card-snippet,
.source-empty {
  margin: 0;
  color: var(--muted);
}

.chat-form {
  display: grid;
  gap: 14px;
  margin-top: 18px;
}

.chat-form textarea {
  width: 100%;
  min-height: 128px;
  resize: vertical;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 20px;
  padding: 16px 18px;
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  font: inherit;
}

.chat-form textarea:focus {
  outline: 1px solid rgba(120, 215, 255, 0.35);
  border-color: rgba(120, 215, 255, 0.35);
}

.chat-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.chat-hint {
  margin: 0;
  color: var(--muted);
  font-size: 0.93rem;
}

.skill-card,
.project-card,
.timeline-card {
  padding: 26px;
}

.skill-title,
.project-title,
.timeline-title {
  margin: 8px 0 0;
  font-size: 1.08rem;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.project-summary,
.project-row-value {
  margin: 0;
  color: var(--muted);
}

.project-summary {
  margin-top: 10px;
}

.project-row {
  display: grid;
  gap: 6px;
  margin-top: 18px;
}

.project-row-label {
  color: var(--text);
  font-weight: 600;
}

.journey-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
}

.journey-column {
  min-width: 0;
}

.column-title {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 16px;
}

.column-title h3 {
  margin: 0;
  font-family: "Space Grotesk", sans-serif;
  font-size: 1.35rem;
}

.column-index {
  color: var(--accent-strong);
  font-family: "Space Grotesk", sans-serif;
  font-size: 1.1rem;
}

.timeline-list {
  display: grid;
  gap: 16px;
}

.timeline-meta {
  margin: 8px 0 0;
}

.timeline-points {
  margin: 18px 0 0;
  padding-left: 18px;
  color: var(--muted);
}

.timeline-points li + li {
  margin-top: 10px;
}

.contact-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 0.9fr);
  gap: 24px;
  padding: 34px;
}

.contact-copy p:last-child {
  color: var(--muted);
}

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

.contact-card {
  display: grid;
  gap: 8px;
  padding: 20px 22px;
  border-radius: var(--radius-md);
  border: 1px solid var(--surface-border);
  background: rgba(255, 255, 255, 0.04);
  transition:
    transform 180ms ease,
    border-color 180ms ease,
    background 180ms ease;
}

.contact-card:hover,
.contact-card:focus-visible {
  border-color: rgba(120, 215, 255, 0.35);
  background: rgba(120, 215, 255, 0.08);
}

.contact-value {
  font-size: 1.08rem;
}

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

.site-footer {
  padding: 56px 0 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition:
    opacity 500ms ease,
    transform 500ms ease;
}

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

@media (max-width: 980px) {
  .hero,
  .about-layout,
  .assistant-layout,
  .contact-panel,
  .journey-grid,
  .projects-grid {
    grid-template-columns: 1fr;
  }

  .skills-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .section {
    padding-top: 78px;
  }
}

@media (max-width: 760px) {
  .site-shell {
    width: min(calc(100% - 20px), var(--max-width));
  }

  .site-header {
    flex-wrap: wrap;
    border-radius: 28px;
    padding: 14px;
  }

  .menu-toggle {
    display: inline-flex;
  }

  .site-nav {
    display: none;
    width: 100%;
    flex-direction: column;
    align-items: flex-start;
    gap: 14px;
    padding: 8px 4px 2px;
  }

  .site-nav.is-open {
    display: flex;
  }

  .hero-copy,
  .hero-panel,
  .about-copy,
  .assistant-info,
  .assistant-chat,
  .skill-card,
  .project-card,
  .timeline-card,
  .contact-panel {
    padding: 24px;
  }

  .hero h1 {
    max-width: none;
    font-size: clamp(2.65rem, 13vw, 4.4rem);
  }

  .panel-grid {
    grid-template-columns: 1fr;
  }

  .chat-topbar,
  .chat-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .chat-message {
    max-width: 100%;
  }
}

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

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

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