:root {
  --bg: #f6f3ee;
  --bg-soft: #fffaf2;
  --ink: #111111;
  --muted: #69635c;
  --line: rgba(17, 17, 17, 0.12);
  --accent: #1f4f46;
  --accent-soft: #dfe8df;
  --card: rgba(255, 255, 255, 0.72);
  --shadow: 0 24px 80px rgba(17, 17, 17, 0.10);
  --radius: 28px;
  --max: 1120px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(31, 79, 70, 0.16), transparent 38rem),
    radial-gradient(circle at 80% 20%, rgba(255, 255, 255, 0.82), transparent 28rem),
    var(--bg);
  line-height: 1.6;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
::selection { background: var(--accent); color: #fff; }

.skip-link {
  position: absolute;
  top: -48px;
  left: 16px;
  background: var(--ink);
  color: #fff;
  padding: 10px 14px;
  border-radius: 999px;
  z-index: 999;
}
.skip-link:focus { top: 16px; }

.site-header {
  width: min(var(--max), calc(100% - 36px));
  margin: 18px auto 0;
  padding: 14px 16px;
  position: sticky;
  top: 14px;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(246, 243, 238, 0.78);
  backdrop-filter: blur(18px);
}

.brand {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: inline-grid;
  place-items: center;
  font-weight: 800;
  letter-spacing: -0.04em;
  background: var(--ink);
  color: #fff;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--muted);
  font-size: 0.94rem;
}

.nav-links a {
  padding: 9px 13px;
  border-radius: 999px;
  transition: background 180ms ease, color 180ms ease;
}
.nav-links a:hover,
.nav-links a:focus-visible {
  background: rgba(17, 17, 17, 0.08);
  color: var(--ink);
  outline: none;
}

.section-pad {
  width: min(var(--max), calc(100% - 36px));
  margin: 0 auto;
  padding: 104px 0;
}

.hero {
  min-height: calc(100vh - 80px);
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(300px, 0.7fr);
  align-items: center;
  gap: 54px;
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.hero-title {
  margin: 0;
  font-size: clamp(4.2rem, 12vw, 9.4rem);
  line-height: 0.9;
  letter-spacing: -0.085em;
}
.hero-title span { display: block; }

.hero-subtitle {
  max-width: 720px;
  margin: 30px 0 0;
  color: var(--muted);
  font-size: clamp(1.1rem, 2vw, 1.45rem);
}

.hero-actions {
  margin-top: 34px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 19px;
  border-radius: 999px;
  border: 1px solid var(--line);
  font-weight: 700;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
}
.button:hover,
.button:focus-visible {
  transform: translateY(-2px);
  outline: none;
  box-shadow: 0 10px 28px rgba(17, 17, 17, 0.12);
}
.button.primary { background: var(--ink); color: #fff; border-color: var(--ink); }
.button.secondary { background: rgba(255, 255, 255, 0.58); }

.profile-card {
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--card);
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
}

.portrait {
  aspect-ratio: 1;
  width: min(100%, 330px);
  margin-inline: auto;
  border-radius: 32px;
  display: grid;
  place-items: center;
  color: #fff;
  font-size: clamp(4rem, 10vw, 7.6rem);
  font-weight: 800;
  letter-spacing: -0.08em;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.18), transparent 36%),
    linear-gradient(135deg, #111, var(--accent));
}

.card-label {
  margin: 24px 0 8px;
  color: var(--accent);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.72rem;
}
.profile-card h2 {
  margin: 0;
  font-size: clamp(1.55rem, 3vw, 2.2rem);
  line-height: 1.05;
  letter-spacing: -0.055em;
}
.profile-card p:last-child { color: var(--muted); margin-bottom: 0; }

.about-grid {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 72px;
  border-top: 1px solid var(--line);
}

.section-heading h2 {
  margin: 0;
  font-size: clamp(2.3rem, 5vw, 4.7rem);
  line-height: 0.96;
  letter-spacing: -0.075em;
}

.about-content p {
  margin-top: 0;
  color: var(--muted);
  font-size: 1.1rem;
}

.fact-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 30px;
}
.fact-row div {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.52);
}
.fact-row strong,
.fact-row span { display: block; }
.fact-row span { color: var(--muted); font-size: 0.94rem; margin-top: 5px; }

.timeline-section,
.projects-section,
.skills-section {
  border-top: 1px solid var(--line);
}

.timeline {
  margin-top: 50px;
  display: grid;
  gap: 14px;
}
.timeline-item {
  display: grid;
  grid-template-columns: 150px minmax(0, 1fr);
  gap: 24px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.50);
}
.timeline-item time {
  color: var(--accent);
  font-weight: 800;
}
.timeline-item h3 {
  margin: 0 0 8px;
  font-size: 1.35rem;
  letter-spacing: -0.04em;
}
.timeline-item p { margin: 0; color: var(--muted); }

.project-grid {
  margin-top: 50px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}
.project-card {
  min-height: 285px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.54);
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
}
.project-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
  background: rgba(255, 255, 255, 0.82);
}
.project-card span {
  color: var(--accent);
  font-weight: 800;
  font-size: 0.84rem;
}
.project-card h3 {
  margin: 76px 0 12px;
  font-size: 1.45rem;
  line-height: 1.02;
  letter-spacing: -0.05em;
}
.project-card p { margin: 0; color: var(--muted); font-size: 0.96rem; }

.skill-cloud {
  margin-top: 46px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.skill-cloud span {
  padding: 12px 16px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.58);
  color: var(--muted);
  font-weight: 700;
}

.contact-section {
  margin-bottom: 60px;
  padding: 70px;
  border: 1px solid var(--line);
  border-radius: 36px;
  background:
    radial-gradient(circle at 88% 0%, rgba(31, 79, 70, 0.18), transparent 20rem),
    rgba(255, 255, 255, 0.62);
  box-shadow: var(--shadow);
}
.contact-section h2 {
  margin: 0;
  font-size: clamp(3rem, 8vw, 7rem);
  line-height: 0.9;
  letter-spacing: -0.085em;
}
.contact-section p:not(.eyebrow) {
  color: var(--muted);
  max-width: 740px;
  font-size: 1.15rem;
}
.contact-link {
  display: inline-flex;
  margin-top: 18px;
  font-size: clamp(1.3rem, 3vw, 2.2rem);
  font-weight: 800;
  letter-spacing: -0.055em;
  border-bottom: 2px solid currentColor;
}

.site-footer {
  width: min(var(--max), calc(100% - 36px));
  margin: 0 auto;
  padding: 26px 0 46px;
  color: var(--muted);
  border-top: 1px solid var(--line);
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 700ms ease, transform 700ms ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 900px) {
  .section-pad { padding: 78px 0; }
  .hero,
  .about-grid { grid-template-columns: 1fr; }
  .hero { gap: 34px; padding-top: 70px; }
  .profile-card { max-width: 560px; }
  .fact-row { grid-template-columns: 1fr; }
  .project-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-section { padding: 42px 26px; }
}

@media (max-width: 640px) {
  .site-header { width: min(100% - 20px, var(--max)); top: 10px; }
  .nav-links { gap: 0; font-size: 0.84rem; }
  .nav-links a { padding: 8px 8px; }
  .brand { width: 40px; height: 40px; }
  .section-pad { width: min(100% - 24px, var(--max)); }
  .hero-title { font-size: clamp(3.75rem, 18vw, 6rem); }
  .timeline-item { grid-template-columns: 1fr; gap: 8px; padding: 22px; }
  .project-grid { grid-template-columns: 1fr; }
  .project-card { min-height: auto; }
  .project-card h3 { margin-top: 42px; }
  .contact-link { word-break: break-word; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.001ms !important;
  }
  .reveal { opacity: 1; transform: none; }
}