:root {
  color-scheme: dark;
  --bg: #050814;
  --bg-soft: #0f151e;
  --panel: #121a26;
  --text: #e9edf2;
  --muted: #a5afbd;
  --accent: #5bd6ff;
  --accent-2: #f7b955;
  --border: rgba(255, 255, 255, 0.08);
  --shadow-soft: 0 24px 80px rgba(0, 0, 0, 0.55);
  --max-width: 1120px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: linear-gradient(120deg, #050814, #0b1020, #0d162b, #070d1a);
  background-size: 400% 400%;
  animation: gradientShift 18s ease infinite;
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
}

@keyframes gradientShift {
  0% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
  100% {
    background-position: 0% 50%;
  }
}

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

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

.container {
  width: min(var(--max-width), 92%);
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  backdrop-filter: blur(18px);
  background: rgba(5, 8, 20, 0.82);
  border-bottom: 1px solid var(--border);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 0;
  position: relative;
}

.logo {
  font-weight: 700;
  letter-spacing: 0.4px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
  font-size: 0.95rem;
}

.nav-links a {
  color: var(--muted);
  position: relative;
  padding-bottom: 4px;
  transition: color 0.2s ease;
}

.nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(120deg, var(--accent), #7af2d3);
  transition: width 0.2s ease;
}

.nav-links a:hover {
  color: var(--text);
}

.nav-links a:hover::after {
  width: 100%;
}

.nav-cta {
  border: 1px solid var(--border);
  padding: 8px 16px;
  border-radius: 999px;
  color: var(--text);
  background: rgba(255, 255, 255, 0.04);
}

.menu-toggle {
  display: none;
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
  padding: 8px 14px;
  border-radius: 999px;
  font-size: 0.9rem;
}

.hero {
  padding: 96px 0 72px;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 40px;
  align-items: center;
}

.hero-content {
  max-width: 100%;
  margin: 0 auto;
  text-align: center;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 3px;
  font-size: 0.75rem;
  color: var(--muted);
  margin: 0 0 12px;
}

.hero h1 {
  font-size: clamp(2.6rem, 4vw, 3.7rem);
  line-height: 1.08;
  margin: 0 0 22px;
}

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

.hero-sub {
  font-size: 1.06rem;
  color: var(--muted);
  margin: 0 0 30px;
}

.cta-group {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  justify-content: center;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 24px;
  border-radius: 999px;
  font-weight: 600;
  border: 1px solid transparent;
  transition:
    transform 0.18s ease,
    box-shadow 0.18s ease,
    border 0.18s ease,
    background 0.18s ease;
}

.btn.primary {
  background: var(--accent);
  color: #03121a;
  box-shadow: 0 12px 30px rgba(91, 214, 255, 0.24);
}

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

.btn.ghost {
  border: 1px solid var(--border);
  color: var(--text);
  background: rgba(255, 255, 255, 0.04);
}

.btn.ghost:hover {
  border-color: rgba(255, 255, 255, 0.2);
}

.hero-meta {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  justify-items: center;
  text-align: center;
}

.meta-label {
  text-transform: uppercase;
  font-size: 0.7rem;
  letter-spacing: 2px;
  color: var(--muted);
  display: block;
}

.meta-value {
  font-weight: 600;
}

.hero-card {
  position: relative;
  background:
    radial-gradient(circle at top left, rgba(91, 214, 255, 0.12), transparent 55%),
    radial-gradient(circle at bottom right, rgba(247, 185, 85, 0.08), transparent 55%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.01));
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 32px;
  box-shadow: var(--shadow-soft);
  overflow: hidden;
}

.hero-card::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(135deg, rgba(91, 214, 255, 0.35), rgba(247, 185, 85, 0.15));
  mix-blend-mode: soft-light;
  opacity: 0.1;
  pointer-events: none;
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--muted);
  font-size: 0.9rem;
  margin-bottom: 24px;
}

.badge {
  border: 1px solid var(--border);
  padding: 4px 10px;
  border-radius: 999px;
  color: var(--accent-2);
}

.card-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin-bottom: 24px;
}

.card-stats h3 {
  margin: 0;
  font-size: 1.85rem;
}

.card-stats p {
  margin: 4px 0 0;
  color: var(--muted);
}

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

.card-item span {
  color: var(--muted);
  font-size: 0.85rem;
  display: block;
  margin-bottom: 6px;
}

.section {
  padding: 96px 0;
}

.section-title p {
  text-transform: uppercase;
  letter-spacing: 3px;
  font-size: 0.75rem;
  color: var(--muted);
  margin: 0 0 12px;
}

.section-title h2 {
  margin: 0 0 40px;
  font-size: clamp(1.9rem, 3.1vw, 2.7rem);
}

.about-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  gap: 24px;
  color: var(--muted);
  font-size: 1.05rem;
}

.about-photo {
  border-radius: 24px;
  overflow: hidden;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.02);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.45);
  max-height: 420px;
}

.about-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.about-text p {
  margin-top: 0;
}

.cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.experience-layout {
  display: grid;
  grid-template-columns: minmax(0, 230px) minmax(0, 1fr);
  gap: 32px;
  align-items: flex-start;
}

.timeline {
  position: relative;
  padding-left: 14px;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 0;
  top: 6px;
  bottom: 6px;
  width: 2px;
  border-radius: 999px;
  background: var(--border);
}

.timeline-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 18px;
}

.timeline-item {
  position: relative;
  padding-left: 16px;
}

.timeline-item::before {
  content: "";
  position: absolute;
  left: -6px;
  top: 7px;
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: var(--accent);
  box-shadow: 0 0 0 4px rgba(91, 214, 255, 0.15);
}

.timeline-year {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--muted);
}

.timeline-role {
  margin: 4px 0 0;
  font-size: 0.95rem;
  font-weight: 600;
}

.timeline-org {
  margin: 2px 0 0;
  font-size: 0.9rem;
  color: var(--muted);
}

.card {
  background: var(--panel);
  border-radius: 20px;
  padding: 24px;
  border: 1px solid var(--border);
  transition:
    transform 0.2s ease,
    border 0.2s ease,
    box-shadow 0.2s ease,
    background 0.2s ease;
}

.card-icon {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.02);
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 12px 30px rgba(91, 214, 255, 0.18);
  margin-bottom: 16px;
}

.card-icon svg {
  width: 26px;
  height: 26px;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.card:hover {
  transform: translateY(-6px);
  border-color: rgba(255, 255, 255, 0.22);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.6);
  background: linear-gradient(180deg, #121a26, #101623);
}

.card header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 12px;
}

.card header span {
  color: var(--muted);
  font-size: 0.85rem;
}

.card p {
  margin: 0 0 20px;
  color: var(--muted);
}

.card-tags {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.card-tags span {
  border: 1px solid var(--border);
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 0.75rem;
  color: var(--muted);
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

.testimonials-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.testimonial {
  margin: 0;
  padding: 24px;
  border-radius: 20px;
  border: 1px solid var(--border);
  background: var(--panel);
}

.testimonial blockquote {
  margin: 0 0 16px;
  color: var(--muted);
  font-size: 0.98rem;
}

.testimonial figcaption {
  font-size: 0.9rem;
  font-weight: 500;
}

.testimonial-role {
  display: block;
  font-size: 0.8rem;
  color: var(--muted);
  margin-top: 2px;
}

.skill-group {
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 24px;
}

.skill-group h4 {
  margin: 0 0 12px;
  font-size: 1rem;
}

.skill-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.skill-chips span {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
  padding: 6px 12px;
  border-radius: 999px;
  font-size: 0.8rem;
  color: var(--muted);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}

.contact-card {
  background: var(--panel);
  border-radius: 24px;
  padding: 32px;
  border: 1px solid var(--border);
}

.contact-card h3 {
  margin-top: 0;
}

.contact-card p {
  color: var(--muted);
}

.contact-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 20px;
}

.contact-info {
  display: grid;
  gap: 20px;
  color: var(--muted);
}

.footer {
  border-top: 1px solid var(--border);
  padding: 34px 0;
  color: var(--muted);
  font-size: 0.9rem;
}

[data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition:
    opacity 0.7s ease,
    transform 0.7s ease;
}

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

section {
  scroll-margin-top: 90px;
}

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

  .hero {
    padding: 100px 0 70px;
  }

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

  .nav-links {
    position: absolute;
    top: 72px;
    right: 0;
    background: rgba(5, 8, 20, 0.98);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 20px;
    display: none;
    flex-direction: column;
    gap: 16px;
    width: min(280px, 92vw);
  }

  .nav-links.open {
    display: flex;
  }

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

@media (max-width: 640px) {
  .hero-meta {
    grid-template-columns: 1fr;
  }

  .card header {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
  }

  .cta-group,
  .contact-actions {
    flex-direction: column;
    align-items: stretch;
  }
}

@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;
  }
}