:root {
  --bg: #07090d;
  --bg-alt: #0b0f16;
  --surface: rgba(255, 255, 255, 0.04);
  --surface-strong: rgba(255, 255, 255, 0.07);
  --border: rgba(255, 255, 255, 0.1);
  --text: #e8edf5;
  --muted: #9aa6b8;
  --accent: #38bdf8;
  --accent-2: #22d3ee;
  --success: #4ade80;
  --shadow: 0 24px 70px rgba(0, 0, 0, 0.38);
  --radius: 18px;
  --font-sans: "Inter", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
}

html.light {
  --bg: #f6f8fb;
  --bg-alt: #ffffff;
  --surface: #ffffff;
  --surface-strong: #f0f4f9;
  --border: #dbe3ec;
  --text: #101828;
  --muted: #5b6675;
  --accent: #0284c7;
  --accent-2: #0891b2;
  --success: #16a34a;
  --shadow: 0 20px 50px rgba(15, 23, 42, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at 15% 10%, rgba(56, 189, 248, 0.12), transparent 35%),
    radial-gradient(circle at 85% 0%, rgba(34, 211, 238, 0.08), transparent 30%),
    var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

html.light body {
  background:
    radial-gradient(circle at 15% 10%, rgba(2, 132, 199, 0.07), transparent 35%),
    radial-gradient(circle at 85% 0%, rgba(8, 145, 178, 0.05), transparent 30%),
    var(--bg);
}

.container {
  width: min(1120px, calc(100% - 40px));
  margin-inline: auto;
}

.skip-link {
  position: absolute;
  left: -9999px;
  z-index: 100;
  padding: 12px 18px;
  background: var(--accent);
  color: #04121c;
  border-radius: 8px;
}

.skip-link:focus {
  left: 20px;
  top: 20px;
}

/* Header */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(16px);
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 72px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: var(--text);
  font-family: var(--font-mono);
  font-weight: 700;
  text-decoration: none;
}

.brand-prompt {
  color: var(--accent);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 24px;
}

.site-nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.94rem;
  font-weight: 500;
  transition: color 0.2s ease;
}

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

.nav-cta {
  padding: 9px 16px;
  border: 1px solid var(--accent);
  border-radius: 999px;
  color: var(--accent) !important;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.theme-toggle,
.menu-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--surface);
  color: var(--text);
  cursor: pointer;
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.theme-toggle:hover,
.menu-toggle:hover {
  border-color: var(--accent);
  transform: translateY(-1px);
}

.theme-icon {
  font-size: 1.1rem;
}

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
}

.menu-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  background: currentColor;
  border-radius: 2px;
}

/* Hero */

.hero {
  position: relative;
  padding: 96px 0 88px;
  overflow: hidden;
}

.hero::after {
  content: "";
  position: absolute;
  inset: auto 0 -180px 0;
  height: 320px;
  background: linear-gradient(90deg, transparent, rgba(56, 189, 248, 0.14), transparent);
  filter: blur(45px);
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(280px, 0.75fr);
  gap: 48px;
  align-items: center;
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

h1 {
  margin: 0 0 14px;
  font-size: clamp(2.7rem, 6vw, 4.6rem);
  line-height: 1.02;
  letter-spacing: -0.045em;
}

.gradient-text {
  background: linear-gradient(100deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-role {
  margin: 0 0 28px;
  color: var(--muted);
  font-size: 1.12rem;
  font-weight: 500;
}

.terminal {
  max-width: 620px;
  margin-bottom: 30px;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.terminal-bar {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 11px 14px;
  border-bottom: 1px solid var(--border);
  background: var(--surface-strong);
}

.terminal-bar span:first-child,
.terminal-bar span:nth-child(2),
.terminal-bar span:nth-child(3) {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #ff5f57;
}

.terminal-bar span:nth-child(2) {
  background: #febc2e;
}

.terminal-bar span:nth-child(3) {
  background: #28c840;
}

.terminal-title {
  margin-left: 8px;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.78rem;
}

.terminal-body {
  display: flex;
  align-items: center;
  min-height: 84px;
  padding: 20px;
  font-family: var(--font-mono);
  font-size: 0.94rem;
}

.terminal-body p {
  display: flex;
  align-items: center;
  margin: 0;
  width: 100%;
  white-space: normal;
  word-break: break-word;
}

.prompt {
  flex-shrink: 0;
  margin-right: 10px;
  color: var(--success);
}

.cursor {
  display: inline-block;
  width: 9px;
  height: 1.05em;
  margin-left: 2px;
  background: var(--accent);
  animation: blink 1s steps(2, start) infinite;
}

@keyframes blink {
  to {
    visibility: hidden;
  }
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 28px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 22px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

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

.btn-primary {
  background: linear-gradient(100deg, var(--accent), var(--accent-2));
  color: #04121c;
}

.btn-ghost {
  border-color: var(--border);
  background: var(--surface);
  color: var(--text);
}

.btn-ghost:hover {
  border-color: var(--accent);
}

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.hero-badges li {
  padding: 7px 13px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface);
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.78rem;
}

.hero-panel {
  position: relative;
  z-index: 1;
}

.panel-card {
  padding: 26px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.panel-card h2 {
  margin: 0 0 20px;
  font-size: 1.05rem;
  font-family: var(--font-mono);
  color: var(--accent);
}

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

.stat {
  padding: 16px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--surface-strong);
}

.stat-value {
  display: block;
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 700;
}

.stat-label {
  display: block;
  margin-top: 4px;
  color: var(--muted);
  font-size: 0.8rem;
}

.status-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 20px;
  color: var(--muted);
  font-size: 0.86rem;
}

.status-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 0 4px rgba(74, 222, 128, 0.14);
}

/* Sections */

.section {
  padding: 92px 0;
  border-top: 1px solid var(--border);
}

.section-alt {
  background: color-mix(in srgb, var(--bg-alt) 88%, transparent);
}

.section-heading {
  display: flex;
  gap: 22px;
  align-items: flex-start;
  margin-bottom: 46px;
}

.section-index {
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 0.9rem;
  padding-top: 7px;
}

.section-heading h2 {
  margin: 0 0 6px;
  font-size: clamp(1.8rem, 3.4vw, 2.4rem);
  letter-spacing: -0.03em;
}

.section-heading p {
  margin: 0;
  color: var(--muted);
}

/* About */

.about-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(280px, 0.75fr);
  gap: 40px;
}

.about-text p {
  margin: 0 0 18px;
  color: var(--muted);
  font-size: 1.05rem;
}

.about-text p:first-child {
  color: var(--text);
  font-size: 1.18rem;
}

.about-facts {
  display: grid;
  gap: 12px;
  align-content: start;
}

.fact {
  padding: 18px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--surface);
}

.fact span {
  display: block;
  margin-bottom: 4px;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.76rem;
  text-transform: uppercase;
}

.fact strong {
  font-weight: 600;
}

/* Capabilities */

.capability-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.capability-card {
  padding: 26px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}

.capability-card:hover {
  transform: translateY(-4px);
  border-color: color-mix(in srgb, var(--accent) 55%, transparent);
  box-shadow: var(--shadow);
}

.capability-card h3 {
  margin: 0 0 10px;
  font-size: 1.1rem;
}

.capability-card p {
  margin: 0 0 18px;
  color: var(--muted);
  font-size: 0.94rem;
}

.capability-card ul {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.capability-card li {
  padding: 5px 10px;
  border-radius: 999px;
  background: var(--surface-strong);
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.74rem;
}

/* Timeline */

.timeline {
  position: relative;
  display: grid;
  gap: 22px;
}

.timeline::before {
  content: "";
  position: absolute;
  top: 8px;
  bottom: 8px;
  left: 8px;
  width: 1px;
  background: linear-gradient(var(--accent), transparent);
  opacity: 0.4;
}

.timeline-item {
  position: relative;
  padding: 26px 28px 26px 38px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
}

.timeline-item::before {
  content: "";
  position: absolute;
  top: 34px;
  left: 3px;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 5px color-mix(in srgb, var(--accent) 18%, transparent);
}

.timeline-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 10px;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.78rem;
}

.timeline-item h3 {
  margin: 0 0 4px;
  font-size: 1.25rem;
}

.company {
  margin: 0 0 14px;
  color: var(--accent);
  font-weight: 600;
}

.timeline-item > p {
  margin: 0 0 14px;
  color: var(--muted);
}

.timeline-item ul {
  margin: 0;
  padding-left: 20px;
  color: var(--muted);
}

.timeline-item li + li {
  margin-top: 7px;
}

/* Impact */

.impact-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.impact-card {
  padding: 26px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
}

.impact-tag {
  display: inline-block;
  margin-bottom: 14px;
  padding: 5px 11px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--accent) 16%, transparent);
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
}

.impact-card h3 {
  margin: 0 0 10px;
  font-size: 1.08rem;
}

.impact-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.94rem;
}

/* Certifications */

.cert-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.cert-card {
  padding: 24px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
}

.cert-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 62px;
  margin-bottom: 16px;
  padding: 7px 12px;
  border-radius: 10px;
  background: linear-gradient(100deg, var(--accent), var(--accent-2));
  color: #04121c;
  font-family: var(--font-mono);
  font-weight: 700;
}

.cert-card h3 {
  margin: 0;
  font-size: 0.98rem;
  line-height: 1.4;
}

/* Contact */

.contact-section {
  padding-bottom: 110px;
}

.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(260px, 0.7fr);
  gap: 22px;
}

.contact-card,
.contact-note {
  padding: 30px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
}

.contact-card h3,
.contact-note h3 {
  margin: 0 0 12px;
}

.contact-card > p {
  margin: 0 0 24px;
  color: var(--muted);
}

.contact-link {
  display: flex;
  flex-direction: column;
  gap: 3px;
  margin-bottom: 12px;
  padding: 15px 18px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--surface-strong);
  color: var(--text);
  text-decoration: none;
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.contact-link:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}

.contact-link span {
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.74rem;
  text-transform: uppercase;
}

.contact-link strong {
  font-weight: 600;
}

.copy-email {
  width: 100%;
  margin-top: 14px;
}

.contact-note ul {
  margin: 0;
  padding-left: 20px;
  color: var(--muted);
}

.contact-note li + li {
  margin-top: 8px;
}

/* Footer */

.site-footer {
  padding: 28px 0;
  border-top: 1px solid var(--border);
  background: var(--bg-alt);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  color: var(--muted);
  font-size: 0.88rem;
}

.footer-terminal {
  margin: 0;
  font-family: var(--font-mono);
}

/* Reveal animation */

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}

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

/* Responsive */

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

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

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

  .hero {
    padding-top: 68px;
  }
}

@media (max-width: 720px) {
  .site-nav {
    position: fixed;
    inset: 72px 0 auto 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 12px 20px 20px;
    background: var(--bg-alt);
    border-bottom: 1px solid var(--border);
    transform: translateY(-130%);
    transition: transform 0.28s ease;
  }

  .site-nav.open {
    transform: translateY(0);
  }

  .site-nav a {
    padding: 14px 0;
    border-bottom: 1px solid var(--border);
  }

  .site-nav a:last-child {
    border-bottom: 0;
    margin-top: 12px;
    text-align: center;
  }

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

  .capability-grid,
  .impact-grid,
  .cert-grid {
    grid-template-columns: 1fr;
  }

  .section {
    padding: 68px 0;
  }

  .section-heading {
    flex-direction: column;
    gap: 8px;
  }

  .footer-inner {
    flex-direction: column;
    text-align: center;
  }
}

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

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

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