:root {
  --bg: #f6f8fb;
  --surface: #ffffff;
  --ink: #101828;
  --muted: #5f6b7a;
  --line: #dfe5ec;
  --navy: #0d2942;
  --navy-2: #123d60;
  --blue: #1f6f9f;
  --blue-soft: #eaf4fa;
  --shadow: 0 18px 50px rgba(16, 40, 63, 0.10);
  --radius: 18px;
  --max: 1160px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
img { max-width: 100%; display: block; }
.container { width: min(var(--max), calc(100% - 40px)); margin: 0 auto; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(246, 248, 251, 0.92);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(223, 229, 236, 0.9);
}
.nav {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.brand {
  text-decoration: none;
  font-weight: 800;
  letter-spacing: -0.02em;
  font-size: 1.05rem;
}
.nav-links { display: flex; align-items: center; gap: 24px; }
.nav-links a {
  text-decoration: none;
  color: var(--muted);
  font-weight: 650;
  font-size: 0.94rem;
}
.nav-links a:hover { color: var(--navy); }

.hero {
  padding: 96px 0 72px;
  background:
    radial-gradient(circle at 85% 10%, rgba(31,111,159,.13), transparent 28%),
    linear-gradient(180deg, #fff 0%, var(--bg) 100%);
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.16fr .84fr;
  align-items: center;
  gap: 56px;
}
.eyebrow {
  margin: 0 0 16px;
  color: var(--blue);
  font-size: .84rem;
  font-weight: 800;
  letter-spacing: .12em;
  text-transform: uppercase;
}
h1, h2, h3 { line-height: 1.08; letter-spacing: -0.035em; margin-top: 0; }
h1 { font-size: clamp(3rem, 7vw, 5.5rem); margin-bottom: 24px; }
h2 { font-size: clamp(2rem, 4vw, 3.25rem); margin-bottom: 18px; }
h3 { font-size: 1.35rem; margin-bottom: 10px; }
.lede { font-size: 1.22rem; color: var(--muted); max-width: 700px; margin: 0 0 30px; }
.hero-card {
  background: linear-gradient(145deg, var(--navy), #102f4b 55%, #1b5378);
  color: white;
  border-radius: 26px;
  padding: 34px;
  box-shadow: var(--shadow);
}
.hero-card .mini-label { color: #b9d6e9; font-weight: 750; font-size: .85rem; text-transform: uppercase; letter-spacing: .1em; }
.hero-card h3 { font-size: 1.7rem; margin: 10px 0 12px; }
.hero-card p { color: #dbe8f1; margin: 0; }
.tool-row { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 24px; }
.tool-row span {
  border: 1px solid rgba(255,255,255,.2);
  background: rgba(255,255,255,.08);
  padding: 7px 10px;
  border-radius: 999px;
  font-size: .83rem;
  font-weight: 700;
}
.buttons { display: flex; flex-wrap: wrap; gap: 12px; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 46px;
  padding: 0 18px;
  border-radius: 10px;
  text-decoration: none;
  font-weight: 800;
  border: 1px solid transparent;
}
.btn-primary { background: var(--navy); color: #fff; }
.btn-primary:hover { background: var(--navy-2); }
.btn-secondary { background: #fff; border-color: var(--line); color: var(--navy); }
.btn-secondary:hover { border-color: #b8c7d4; }
.btn-light { background: #fff; color: var(--navy); }

.section { padding: 88px 0; }
.section-white { background: #fff; }
.section-head { max-width: 760px; margin-bottom: 38px; }
.section-head p { color: var(--muted); font-size: 1.06rem; margin: 0; }

.feature-grid {
  display: grid;
  grid-template-columns: .95fr 1.05fr;
  gap: 40px;
  align-items: center;
}
.image-frame {
  background: #fff;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.image-frame img { width: 100%; border-radius: 11px; }
.kicker { color: var(--blue); font-weight: 800; margin-bottom: 10px; }
.copy { color: var(--muted); font-size: 1.05rem; }
.metric-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin: 30px 0;
}
.metric {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 18px;
}
.metric strong { display: block; color: var(--navy); font-size: 1.45rem; letter-spacing: -.03em; }
.metric span { display: block; color: var(--muted); font-size: .86rem; margin-top: 4px; }

.cards-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px;
}
.card p { color: var(--muted); margin-bottom: 0; }
.number {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  background: var(--blue-soft);
  color: var(--blue);
  font-weight: 900;
  margin-bottom: 22px;
}

.skills { display: flex; flex-wrap: wrap; gap: 10px; }
.skills span {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 9px 13px;
  font-size: .9rem;
  font-weight: 700;
  color: #304254;
}

.cta {
  background: var(--navy);
  color: #fff;
  border-radius: 24px;
  padding: 42px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 32px;
}
.cta h2 { margin-bottom: 10px; font-size: clamp(2rem, 4vw, 3rem); }
.cta p { color: #caddea; max-width: 680px; margin: 0; }

.site-footer { padding: 34px 0 48px; color: var(--muted); font-size: .9rem; }
.footer-row { display: flex; justify-content: space-between; gap: 24px; align-items: center; }
.footer-row a { text-decoration: none; font-weight: 700; color: var(--navy); }

/* Project page */
.project-hero { padding: 72px 0 46px; background: #fff; }
.project-hero h1 { font-size: clamp(2.7rem, 6vw, 4.8rem); max-width: 930px; }
.project-meta { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 24px; }
.project-meta span { background: var(--blue-soft); color: var(--navy); padding: 8px 11px; border-radius: 999px; font-weight: 750; font-size: .87rem; }
.project-hero-image { margin-top: 42px; }
.project-content { display: grid; grid-template-columns: 280px 1fr; gap: 52px; align-items: start; }
.sidebar {
  position: sticky;
  top: 96px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px;
}
.sidebar strong { display: block; margin-bottom: 12px; }
.sidebar a { display: block; text-decoration: none; color: var(--muted); font-weight: 650; padding: 7px 0; }
.sidebar a:hover { color: var(--navy); }
.prose-section { margin-bottom: 68px; scroll-margin-top: 100px; }
.prose-section p, .prose-section li { color: var(--muted); font-size: 1.03rem; }
.prose-section ul { padding-left: 22px; }
.screen-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.screen-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.screen-card img { width: 100%; }
.screen-card .caption { padding: 16px 18px; color: var(--muted); font-size: .9rem; }
.project-links { display: flex; flex-wrap: wrap; gap: 12px; }

@media (max-width: 900px) {
  .hero-grid, .feature-grid, .project-content { grid-template-columns: 1fr; }
  .hero { padding-top: 68px; }
  .metric-grid { grid-template-columns: 1fr 1fr; }
  .cards-3 { grid-template-columns: 1fr; }
  .sidebar { position: static; }
  .screen-grid { grid-template-columns: 1fr; }
  .cta { align-items: flex-start; flex-direction: column; }
}

@media (max-width: 640px) {
  .container { width: min(var(--max), calc(100% - 28px)); }
  .nav { min-height: 64px; }
  .nav-links a:not(.keep-mobile) { display: none; }
  h1 { font-size: clamp(2.55rem, 15vw, 4rem); }
  .hero { padding: 58px 0 52px; }
  .section { padding: 62px 0; }
  .metric-grid { grid-template-columns: 1fr 1fr; }
  .metric { padding: 15px; }
  .metric strong { font-size: 1.2rem; }
  .hero-card, .cta { padding: 26px; }
}

/* Portfolio profile additions */
.about-grid {
  display: grid;
  grid-template-columns: .85fr 1.15fr;
  gap: 56px;
  align-items: start;
}
.bio-panel {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 30px;
  box-shadow: var(--shadow);
}
.bio-panel p { margin-top: 0; color: var(--muted); font-size: 1.05rem; }
.bio-panel p:last-of-type { margin-bottom: 20px; }
.availability {
  border-top: 1px solid var(--line);
  padding-top: 18px;
  color: var(--navy);
  font-weight: 800;
  font-size: .94rem;
}
.experience-list { display: grid; gap: 18px; }
.experience-item {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px;
}
.experience-head {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  align-items: flex-start;
  margin-bottom: 14px;
}
.experience-head h3 { margin-bottom: 5px; }
.experience-head p { margin: 0; color: var(--blue); font-weight: 750; }
.experience-date { color: var(--muted); white-space: nowrap; font-weight: 700; font-size: .9rem; }
.experience-item ul { margin: 0; padding-left: 20px; }
.experience-item li { color: var(--muted); margin: 7px 0; }
.footer-links { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 18px; }
.footer-links a { text-decoration: none; font-weight: 700; color: var(--navy); }
.footer-links a:hover { color: var(--blue); }
.cta .mini-label { color: #b9d6e9; font-weight: 800; font-size: .82rem; text-transform: uppercase; letter-spacing: .1em; margin: 0 0 8px; }

@media (max-width: 900px) {
  .about-grid { grid-template-columns: 1fr; gap: 26px; }
}

@media (max-width: 640px) {
  .experience-head { flex-direction: column; gap: 6px; }
  .experience-date { white-space: normal; }
  .footer-row { align-items: flex-start; flex-direction: column; }
  .footer-links { justify-content: flex-start; }
}