/* =============================================================
   1. Tokens
   ============================================================= */
:root {
  --bg: #f7f8fa;
  --bg-alt: #eef1f5;
  --card: #ffffff;
  --navy: #12233f;
  --navy-2: #1c3a63;
  --ink: #1a2333;
  --ink-mute: #57647a;
  --ink-faint: #8b95a8;
  --gold: #a9762f;
  --gold-soft: rgba(169,118,47,0.1);
  --border: rgba(18,35,63,0.10);
  --border-strong: rgba(18,35,63,0.2);

  --display: "Source Serif 4", Georgia, serif;
  --sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;

  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-soft: cubic-bezier(0.25, 0.46, 0.45, 0.94);

  --gutter: clamp(1.25rem, 4vw, 2.5rem);
  --radius: 18px;
  --radius-sm: 10px;
  --nav-h: 76px;
}

/* =============================================================
   2. Reset & base
   ============================================================= */
*, *::before, *::after { box-sizing: border-box; margin: 0; }
html { -webkit-text-size-adjust: 100%; tab-size: 2; scroll-behavior: smooth; overflow-x: clip; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body { background: var(--bg); color: var(--ink); font-family: var(--sans); font-size: 16px; line-height: 1.65; -webkit-font-smoothing: antialiased; overflow-x: clip; }
img, svg, video { display: block; max-width: 100%; }
img { height: auto; }
button { font: inherit; color: inherit; cursor: pointer; border: 0; background: none; }
a { color: inherit; text-decoration: none; }
p { text-wrap: pretty; }
h1, h2, h3, h4 { text-wrap: balance; line-height: 1.15; font-family: var(--display); font-weight: 600; color: var(--navy); }
ul { list-style: none; padding: 0; }
::selection { background: var(--gold); color: #fff; }
:focus-visible { outline: 2px solid var(--gold); outline-offset: 3px; border-radius: 4px; }
.mono { font-family: var(--mono); }

/* =============================================================
   3. Utilities
   ============================================================= */
.skip-link { position: fixed; top: -100px; left: 1rem; padding: .7rem 1.1rem; background: var(--navy); color: #fff; z-index: 9999; border-radius: 8px; font-weight: 600; font-size: .9rem; }
.skip-link:focus { top: 1rem; }
.container { width: 100%; max-width: 1180px; margin-inline: auto; padding-inline: var(--gutter); }
.section { position: relative; padding-block: clamp(4rem, 8vw, 7rem); }
.section-alt { background: var(--bg-alt); }
.eyebrow { display: inline-flex; align-items: center; gap: .4rem; font-family: var(--mono); font-size: .78rem; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; color: var(--gold); margin-bottom: .9rem; }
.eyebrow-pin { color: var(--gold); display: inline-flex; }
.section-title { font-size: clamp(1.5rem, 3vw, 2.2rem); margin-bottom: 1.6rem; max-width: 34ch; }

[data-reveal] { opacity: 0; transform: translateY(26px); transition: opacity .8s var(--ease-soft), transform .8s var(--ease-soft); }
[data-reveal].is-revealed { opacity: 1; transform: none; }

/* =============================================================
   4. Buttons & tags
   ============================================================= */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: .5rem; padding: .8rem 1.5rem; border-radius: 8px; font-weight: 600; font-size: .9rem; border: 1px solid transparent; transition: transform .4s var(--ease-soft), box-shadow .4s var(--ease-soft), background .3s, border-color .3s; white-space: nowrap; }
.btn-primary { background: var(--navy); color: #fff; box-shadow: 0 10px 22px -10px rgba(18,35,63,0.45); }
.btn-primary:hover { background: var(--navy-2); transform: translateY(-2px); }
.btn-outline { background: var(--card); border-color: var(--border-strong); color: var(--navy); }
.btn-outline:hover { border-color: var(--navy); transform: translateY(-2px); }
.btn-ghost { color: var(--ink-mute); }
.btn-ghost:hover { color: var(--navy); }
.btn-sm { padding: .5rem 1.1rem; font-size: .82rem; }
.btn-lg { padding: 1rem 1.9rem; font-size: 1rem; }
.btn:active { transform: translateY(0); transition-duration: .12s; }
.has-magnetic { display: inline-flex; position: relative; isolation: isolate; }
.magnetic-inner { display: inline-flex; align-items: center; justify-content: center; gap: inherit; will-change: transform; transition: transform .8s var(--ease-soft); }

.tag { font-family: var(--mono); font-size: .78rem; padding: .4rem .8rem; border-radius: 6px; background: var(--gold-soft); color: var(--gold); border: 1px solid rgba(169,118,47,0.25); }
.pill { font-size: .84rem; padding: .5rem .95rem; border-radius: 999px; background: var(--card); border: 1px solid var(--border); color: var(--ink-mute); }
.pill-soft { background: var(--bg-alt); }

/* =============================================================
   5. Nav
   ============================================================= */
.nav { position: fixed; top: 0; inset-inline: 0; z-index: 200; transition: background-color .4s var(--ease-out), box-shadow .4s var(--ease-out); border-bottom: 1px solid transparent; }
.nav.is-scrolled { background: rgba(247,248,250,0.92); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); border-bottom-color: var(--border); }
.nav-inner { height: var(--nav-h); display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; }
.nav-brand { display: flex; align-items: center; gap: .6rem; }
.nav-mark { display: grid; place-items: center; width: 36px; height: 36px; border-radius: 8px; background: var(--navy); color: #fff; font-family: var(--display); font-weight: 700; font-size: .85rem; flex: none; }
.nav-name { font-family: var(--display); font-weight: 600; font-size: 1.05rem; }
.nav-links { display: none; align-items: center; gap: 1.8rem; }
.nav-links a { position: relative; font-size: .9rem; color: var(--ink-mute); padding-block: .3rem; transition: color .3s; }
.nav-links a::after { content: ""; position: absolute; left: 0; right: 0; bottom: -2px; height: 1px; background: var(--gold); transform: scaleX(0); transform-origin: right; transition: transform .45s var(--ease-soft); }
.nav-links a:hover { color: var(--navy); }
.nav-links a:hover::after { transform: scaleX(1); transform-origin: left; }
.nav-actions { display: none; }
.nav-burger { display: grid; gap: 5px; padding: .5rem; }
.nav-burger span { width: 22px; height: 2px; background: var(--navy); border-radius: 2px; transition: transform .3s var(--ease-out), opacity .3s; }
.nav-burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
.nav-mobile { position: fixed; inset: var(--nav-h) 0 0 0; z-index: 190; background: rgba(247,248,250,0.99); display: grid; place-content: center; gap: 1.4rem; clip-path: inset(0 0 100% 0); transition: clip-path .6s var(--ease-soft); }
.nav-mobile[data-open="true"] { clip-path: inset(0); }
.nav-mobile a { font-family: var(--display); font-size: 1.35rem; text-align: center; color: var(--ink-mute); }
.nav-mobile a:hover { color: var(--navy); }
@media (min-width: 960px) { .nav-links { display: flex; } .nav-actions { display: block; } .nav-burger { display: none; } }

/* =============================================================
   6. Hero
   ============================================================= */
.hero { position: relative; padding-block: calc(var(--nav-h) + 2.5rem) 3rem; overflow: clip; }
.hero-bg { position: absolute; inset: 0; z-index: -1; }
.hero-grid { position: absolute; inset: 0; background-image: linear-gradient(rgba(18,35,63,0.035) 1px, transparent 1px), linear-gradient(90deg, rgba(18,35,63,0.035) 1px, transparent 1px); background-size: 48px 48px; mask-image: radial-gradient(ellipse 65% 55% at 30% 20%, black 30%, transparent 85%); }
.hero-grid-layout { display: grid; gap: 2.5rem; align-items: center; }
.hero-title { font-size: clamp(2.2rem, 5vw, 3.4rem); margin-bottom: 1rem; }
.hero-role { font-size: 1.02rem; color: var(--navy-2); font-weight: 600; margin-bottom: 1.1rem; }
.hero-copy { color: var(--ink-mute); font-size: 1rem; max-width: 50ch; margin-bottom: 1.6rem; }
.hero-tags { display: flex; flex-wrap: wrap; gap: .55rem; margin-bottom: 1.8rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: .8rem; }
.hero-photo { border-radius: var(--radius); overflow: clip; box-shadow: 0 24px 50px -26px rgba(18,35,63,0.35); border: 1px solid var(--border); max-width: 320px; margin-inline: auto; }
.hero-photo img { width: 100%; aspect-ratio: 1/1; object-fit: cover; }
@media (min-width: 900px) { .hero-grid-layout { grid-template-columns: 1.3fr 0.7fr; } .hero-photo { margin-inline: 0 0 0 auto; } }

/* =============================================================
   7. About
   ============================================================= */
.about-grid { display: grid; gap: 2.4rem; }
.about-copy p { color: var(--ink-mute); margin-bottom: 1.1rem; max-width: 60ch; }
.about-lead { font-family: var(--display); font-size: 1.15rem; color: var(--ink); font-weight: 500; }
.about-highlights { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 1.6rem; }
.about-highlights-title { font-family: var(--display); font-weight: 600; font-size: 1.02rem; margin-bottom: 1rem; color: var(--navy); }
.about-highlights ul li { position: relative; padding-left: 1.5rem; font-size: .88rem; color: var(--ink-mute); margin-bottom: .9rem; }
.about-highlights ul li::before { content: "✓"; position: absolute; left: 0; top: 0; color: var(--gold); font-weight: 700; }
.about-highlights ul li:last-child { margin-bottom: 0; }
@media (min-width: 960px) { .about-grid { grid-template-columns: 1.3fr 1fr; } }

/* =============================================================
   8. Experience timeline
   ============================================================= */
.timeline { display: grid; gap: 1.2rem; }
.exp-item { display: grid; gap: 1.2rem; background: var(--card); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 1.5rem 1.7rem; border-left: 3px solid var(--gold); }
.exp-item-muted { border-left-color: var(--border-strong); opacity: .85; }
.exp-dates { font-size: .78rem; color: var(--ink-faint); white-space: nowrap; }
.exp-concurrent { display: inline-block; margin-top: .3rem; font-family: var(--sans); font-size: .68rem; text-transform: uppercase; letter-spacing: .04em; background: var(--gold-soft); color: var(--gold); padding: .15rem .5rem; border-radius: 999px; }
.exp-body h3 { font-size: 1.08rem; margin-bottom: .2rem; }
.exp-company { color: var(--navy-2); font-size: .86rem; font-weight: 600; margin-bottom: .7rem; }
.exp-body ul li { position: relative; padding-left: 1.1rem; font-size: .87rem; color: var(--ink-mute); margin-bottom: .4rem; }
.exp-body ul li::before { content: "—"; position: absolute; left: 0; color: var(--ink-faint); }
.exp-desc { font-size: .87rem; color: var(--ink-mute); }
@media (min-width: 720px) { .exp-item { grid-template-columns: 160px 1fr; } }

/* =============================================================
   9. Education
   ============================================================= */
.education-grid { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.education-item { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 1.3rem 1.5rem; }
.education-title { font-family: var(--display); font-weight: 600; font-size: 1.02rem; margin-bottom: .3rem; }
.education-school { color: var(--ink-mute); font-size: .86rem; }

/* =============================================================
   10. Certifications
   ============================================================= */
.cert-columns { display: grid; gap: 2rem; }
.cert-col-title { font-family: var(--display); font-weight: 600; color: var(--navy); font-size: 1rem; margin-bottom: 1rem; padding-bottom: .6rem; border-bottom: 1px solid var(--border-strong); }
.cert-list li { position: relative; padding-left: 1.2rem; font-size: .87rem; color: var(--ink-mute); margin-bottom: .9rem; }
.cert-list li::before { content: "◆"; position: absolute; left: 0; top: 2px; color: var(--gold); font-size: .6rem; }
.cert-list strong { color: var(--ink); font-weight: 600; }
@media (min-width: 860px) { .cert-columns { grid-template-columns: 1fr 1fr; } }

/* =============================================================
   11. Skills
   ============================================================= */
.skills-grid { display: grid; gap: 1.6rem; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); margin-bottom: 2.2rem; }
.skills-group-title { font-family: var(--display); font-weight: 600; color: var(--navy); font-size: .95rem; margin-bottom: .8rem; }
.skills-pills { display: flex; flex-wrap: wrap; gap: .5rem; }
.soft-skills { border-top: 1px solid var(--border-strong); padding-top: 1.8rem; }

/* =============================================================
   12. Contact
   ============================================================= */
.contact-section { text-align: center; }
.contact-copy { color: var(--ink-mute); max-width: 52ch; margin-inline: auto; margin-bottom: 2.2rem; }
.contact-actions { display: grid; gap: 1.1rem; justify-items: center; margin-bottom: 1.2rem; }
.contact-secondary { display: flex; flex-wrap: wrap; gap: .8rem; justify-content: center; }
.contact-location { color: var(--ink-faint); font-size: .78rem; }
@media (min-width: 720px) { .contact-actions { grid-template-columns: auto; } }

/* =============================================================
   13. Footer
   ============================================================= */
.footer { padding-block: 2.2rem; border-top: 1px solid var(--border); }
.footer-inner { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 1rem; font-size: .85rem; color: var(--ink-faint); }
.footer-links { display: flex; gap: 1.4rem; }
.footer-links a { transition: color .3s; }
.footer-links a:hover { color: var(--navy); }