/* ============================================================
   Tokens
   ============================================================ */
:root{
  --ink: #17222C;
  --ink-soft: #4C5C6B;
  --ink-faint: #69768A;
  --paper: #FFFFFF;
  --paper-alt: #F1F3EF;
  --line: rgba(23,34,44,.14);
  --line-soft: rgba(23,34,44,.08);
  --accent: #2C5F8A;
  --accent-ink: #14344D;
  --accent-soft: #E3ECF3;
  --highlight: #D9A441;
  --highlight-soft: #FBF0DA;

  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'IBM Plex Sans', sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;

  --wrap: 1080px;
  --radius: 4px;
}

/* ============================================================
   Reset
   ============================================================ */
*, *::before, *::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3{ font-family: var(--font-display); font-weight: 600; margin: 0 0 .5em; color: var(--ink); }
p{ margin: 0 0 1em; color: var(--ink-soft); max-width: 62ch; }
a{ color: inherit; }
img{ max-width: 100%; display: block; }
ul, ol{ list-style: none; margin: 0; padding: 0; }
button{ font-family: inherit; }

.wrap{ max-width: var(--wrap); margin: 0 auto; padding: 0 1.5rem; }

.skip-link{
  position: absolute; left: -999px; top: 0;
  background: var(--ink); color: var(--paper); padding: .75rem 1rem; z-index: 200;
}
.skip-link:focus{ left: 1rem; top: 1rem; }

:focus-visible{ outline: 2px solid var(--accent); outline-offset: 2px; }

@media (prefers-reduced-motion: reduce){
  *{ animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; scroll-behavior: auto !important; }
}

/* ============================================================
   Header
   ============================================================ */
.site-header{
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,.9);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid transparent;
  transition: border-color .2s ease, box-shadow .2s ease;
}
.site-header.scrolled{
  border-bottom-color: var(--line);
  box-shadow: 0 6px 24px rgba(23,34,44,.05);
}
.header-row{
  display: flex; align-items: center; justify-content: space-between;
  padding: 1rem 1.5rem;
}
.brand{
  font-family: var(--font-display); font-weight: 700; font-size: 1.15rem;
  text-decoration: none; color: var(--ink);
}
.brand span{ color: var(--highlight); }

.main-nav ul{ display: flex; gap: 2rem; }
.main-nav a{
  text-decoration: none; font-size: .95rem; color: var(--ink-soft);
  position: relative; padding: .25rem 0;
  transition: color .15s ease;
}
.main-nav a:hover{ color: var(--ink); }
.main-nav a::after{
  content: ''; position: absolute; left: 0; right: 0; bottom: -2px; height: 2px;
  background: var(--accent); transform: scaleX(0); transform-origin: left;
  transition: transform .2s ease;
}
.main-nav a:hover::after{ transform: scaleX(1); }

.header-social{ display: flex; gap: 1rem; align-items: center; }
.header-social a{ color: var(--ink-soft); font-size: 1.05rem; text-decoration: none; transition: color .15s ease; }
.header-social a:hover{ color: var(--accent); }

.nav-toggle{
  display: none; flex-direction: column; justify-content: center; gap: 5px;
  width: 32px; height: 32px; background: none; border: none; cursor: pointer;
}
.nav-toggle span{ display: block; height: 2px; background: var(--ink); border-radius: 1px; }

/* ============================================================
   Buttons
   ============================================================ */
.btn{
  display: inline-flex; align-items: center; gap: .5rem;
  padding: .7rem 1.3rem; border-radius: var(--radius);
  font-size: .95rem; font-weight: 500; text-decoration: none;
  border: 1px solid transparent; cursor: pointer;
  transition: background .15s ease, color .15s ease, border-color .15s ease, transform .1s ease;
}
.btn:active{ transform: translateY(1px); }
.btn-primary{ background: var(--ink); color: var(--paper); }
.btn-primary:hover{ background: var(--accent-ink); }
.btn-ghost{ background: transparent; border-color: var(--line); color: var(--ink); }
.btn-ghost:hover{ border-color: var(--ink); }
.btn-text{ padding: .7rem 0; color: var(--accent-ink); font-weight: 500; }
.btn-text:hover{ color: var(--ink); }
.btn-text i{ font-size: .8em; transition: transform .15s ease; }
.btn-text:hover i{ transform: translateX(3px); }

/* ============================================================
   Hero
   ============================================================ */
.hero{ padding: 4.5rem 0 5rem; }
.hero-grid{
  display: grid; grid-template-columns: 1.2fr .9fr; gap: 4rem; align-items: center;
}
.hero-role{
  font-family: var(--font-mono); font-size: .82rem; color: var(--accent-ink);
  letter-spacing: .01em; margin-bottom: 1rem;
}
.hero-copy h1{
  font-size: clamp(2.3rem, 4.4vw, 3.6rem); line-height: 1.08; letter-spacing: -.01em;
  margin-bottom: 1.1rem;
}
.hero-pitch{ font-size: 1.08rem; margin-bottom: 1.8rem; }
.hero-actions{ display: flex; flex-wrap: wrap; align-items: center; gap: .75rem; }

.video-trigger{
  display: inline-flex; align-items: center; gap: .7rem;
  margin-top: 1.4rem; padding: 0; background: none; border: none; cursor: pointer;
  font-family: var(--font-body); font-size: .92rem; color: var(--ink-soft);
}
.video-trigger-icon{
  display: flex; align-items: center; justify-content: center;
  width: 34px; height: 34px; border-radius: 50%;
  border: 1px solid var(--line); color: var(--accent-ink);
  font-size: .7rem; transition: background .15s ease, border-color .15s ease, color .15s ease;
}
.video-trigger:hover .video-trigger-icon{ background: var(--ink); border-color: var(--ink); color: var(--paper); }
.video-trigger:hover{ color: var(--ink); }

/* Video modal */
.video-modal{
  position: fixed; inset: 0; z-index: 300;
  display: flex; align-items: center; justify-content: center;
  padding: 1.5rem;
  opacity: 0; visibility: hidden;
  transition: opacity .2s ease, visibility 0s linear .2s;
}
.video-modal.open{ opacity: 1; visibility: visible; transition: opacity .2s ease; }
.video-modal-backdrop{
  position: absolute; inset: 0; background: rgba(23,34,44,.82);
}
.video-modal-panel{
  position: relative; width: 100%; max-width: 860px;
  background: #000; border-radius: var(--radius);
  overflow: hidden; box-shadow: 0 30px 60px rgba(0,0,0,.4);
}
.video-modal-panel video{ display: block; width: 100%; max-height: 80vh; background: #000; }
.video-modal-close{
  position: absolute; top: -44px; right: 0;
  width: 34px; height: 34px; border-radius: 50%;
  border: 1px solid rgba(255,255,255,.4); background: transparent; color: #fff;
  display: flex; align-items: center; justify-content: center; cursor: pointer;
  transition: background .15s ease, border-color .15s ease;
}
.video-modal-close:hover{ background: rgba(255,255,255,.12); border-color: #fff; }

.hero-panel{ position: relative; }
.panel-card{
  display: flex; align-items: center; gap: 1rem;
  background: var(--paper-alt);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.5rem;
  background-image:
    linear-gradient(var(--line-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-soft) 1px, transparent 1px);
  background-size: 18px 18px;
}
.panel-photo{
  flex: none; width: 72px; height: 72px;
  object-fit: cover;
  border-radius: var(--radius);
  filter: grayscale(45%);
}
.panel-meta{ display: flex; flex-direction: column; }
.panel-name{ font-family: var(--font-display); font-weight: 600; font-size: 1.05rem; }
.panel-role{ font-family: var(--font-mono); font-size: .82rem; color: var(--ink-faint); margin-top: .2rem; }

.panel-stats{
  margin-top: 1.25rem; padding: 1.25rem 1.5rem;
  border: 1px solid var(--line); border-radius: var(--radius);
}
.stat-row{ display: grid; grid-template-columns: 62px 1fr 40px; align-items: center; gap: .75rem; }
.stat-row + .stat-row{ margin-top: .85rem; }
.stat-label{ font-size: .85rem; color: var(--ink-soft); }
.stat-track{ height: 6px; background: var(--line-soft); border-radius: 3px; overflow: hidden; }
.stat-fill{
  height: 100%; width: 0; background: var(--accent); border-radius: 3px;
  animation: fillbar 1.1s .3s cubic-bezier(.2,.7,.2,1) forwards;
}
.stat-fill{ --w: var(--val); }
@keyframes fillbar{ to{ width: var(--w); } }
.stat-val{ font-family: var(--font-mono); font-size: .8rem; color: var(--ink-faint); text-align: right; }

/* hero reveal */
[data-reveal]{ opacity: 0; transform: translateY(14px); }
.hero.is-ready [data-reveal]{
  opacity: 1; transform: translateY(0);
  transition: opacity .6s ease, transform .6s ease;
}
.hero.is-ready .hero-panel{ transition-delay: .12s; }

/* ============================================================
   Sections
   ============================================================ */
.section{ padding: 4.5rem 0; }
.section.alt{ background: var(--paper-alt); }
.section h2{ font-size: clamp(1.6rem, 2.6vw, 2.1rem); margin-bottom: 2rem; }

/* About */
.about-grid{ display: grid; grid-template-columns: 1.3fr 1fr; gap: 3.5rem; }
.fact-list{ align-self: start; border-top: 1px solid var(--line); }
.fact-list > div{
  display: grid; grid-template-columns: 90px 1fr;
  padding: .85rem 0; border-bottom: 1px solid var(--line);
}
.fact-list dt{ color: var(--ink-faint); font-size: .88rem; }
.fact-list dd{ margin: 0; font-family: var(--font-mono); font-size: .92rem; }
.fact-list dd a{ text-decoration: none; border-bottom: 1px solid var(--line); }
.fact-list dd a:hover{ border-color: var(--accent); color: var(--accent-ink); }

/* Timeline */
.timeline{ border-left: 1px solid var(--line); }
.timeline-item{ position: relative; padding: 0 0 2.4rem 2.2rem; }
.timeline-item:last-child{ padding-bottom: 0; }
.timeline-item::before{
  content: ''; position: absolute; left: -5px; top: 4px;
  width: 9px; height: 9px; border-radius: 50%;
  background: var(--paper); border: 2px solid var(--accent);
}
.timeline-edu .timeline-item::before{ border-color: var(--highlight); }

.timeline-when{ display: flex; align-items: center; gap: .6rem; margin-bottom: .35rem; }
.timeline-date{ font-family: var(--font-mono); font-size: .82rem; color: var(--ink-faint); }
.tag{ font-size: .72rem; padding: .15rem .5rem; border-radius: 2px; }
.tag-current{ background: var(--highlight-soft); color: #8A6415; }

.timeline-body h3{ font-size: 1.08rem; margin-bottom: .4rem; }
.timeline-body h3 span{ font-family: var(--font-body); font-weight: 400; color: var(--ink-faint); font-size: .92rem; }
.timeline-body p{ font-size: .96rem; }

/* Skills */
.skills-grid{ display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; margin-bottom: 3rem; }
.skills-col-title{ font-size: .95rem; color: var(--ink-faint); font-weight: 500; margin-bottom: 1.1rem; font-family: var(--font-body); }
.skill-row{
  display: grid; grid-template-columns: 90px 1fr 42px; align-items: center; gap: .85rem;
  margin-bottom: .95rem;
}
.skill-name{ font-size: .92rem; }
.skill-pct{ font-family: var(--font-mono); font-size: .8rem; color: var(--ink-faint); text-align: right; }
.cells{ display: grid; grid-template-columns: repeat(20, 1fr); gap: 3px; }
.cells span{
  height: 12px; background: var(--line-soft); border-radius: 1px;
  transform: scaleY(.4); opacity: 0;
  transition: background .25s ease, transform .35s ease, opacity .35s ease;
}
.cells span.filled{ background: var(--accent); }
.cells.in-view span{ transform: scaleY(1); opacity: 1; }

.soft-title{ font-size: 1rem; color: var(--ink-faint); font-weight: 500; margin-bottom: 1rem; }
.soft-list{ display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.soft-list li{
  display: flex; gap: .9rem; padding: 1.2rem; border: 1px solid var(--line); border-radius: var(--radius);
}
.soft-list i{ color: var(--accent); font-size: 1.15rem; margin-top: .15rem; }
.soft-list strong{ display: block; font-size: .96rem; margin-bottom: .25rem; }
.soft-list span{ font-size: .88rem; color: var(--ink-soft); }

/* Contact */
.contact-grid{ display: grid; grid-template-columns: 1.3fr 1fr; gap: 3.5rem; }
.contact-intro{ margin-bottom: 1.8rem; }
.form-row{ display: grid; grid-template-columns: 1fr 1fr; gap: 1.25rem; }
.field{ margin-bottom: 1.25rem; }
.field label{ display: block; font-size: .82rem; color: var(--ink-faint); margin-bottom: .4rem; }
.field input, .field textarea{
  width: 100%; border: none; border-bottom: 1px solid var(--line);
  background: transparent; padding: .5rem .1rem; font-family: var(--font-body);
  font-size: .96rem; color: var(--ink); resize: none;
  transition: border-color .15s ease;
}
.field input:focus, .field textarea:focus{ outline: none; border-bottom-color: var(--accent); }

.contact-details{ align-self: start; padding-top: 3.6rem; }
.detail{ display: flex; align-items: center; gap: .85rem; padding: .85rem 0; border-bottom: 1px solid var(--line); }
.detail i{ width: 18px; color: var(--accent); }
.detail a{ text-decoration: none; font-size: .92rem; }
.detail a:hover{ color: var(--accent-ink); }
.detail span{ font-size: .92rem; }

/* ============================================================
   Footer
   ============================================================ */
.site-footer{ border-top: 1px solid var(--line); padding: 2.5rem 0; }
.site-footer .wrap{ display: flex; flex-direction: column; align-items: center; gap: .9rem; text-align: center; }
.footer-name{ font-family: var(--font-display); font-weight: 600; }
.footer-social{ display: flex; gap: 1.2rem; }
.footer-social a{ color: var(--ink-soft); text-decoration: none; font-size: 1.05rem; }
.footer-social a:hover{ color: var(--accent); }
.footer-copy{ font-size: .82rem; color: var(--ink-faint); }

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 900px){
  .hero-grid, .about-grid, .contact-grid{ grid-template-columns: 1fr; gap: 2.5rem; }
  .skills-grid{ grid-template-columns: 1fr; gap: 2rem; }
  .soft-list{ grid-template-columns: 1fr; }
  .contact-details{ padding-top: 0; }
}

@media (max-width: 760px){
  .main-nav{
    position: absolute; top: 100%; left: 0; right: 0;
    background: var(--paper); border-bottom: 1px solid var(--line);
    max-height: 0; overflow: hidden; transition: max-height .25s ease;
  }
  .main-nav.open{ max-height: 320px; }
  .main-nav ul{ flex-direction: column; gap: 0; padding: .5rem 1.5rem 1rem; }
  .main-nav a{ display: block; padding: .75rem 0; }
  .header-social{ display: none; }
  .nav-toggle{ display: flex; }
  .form-row{ grid-template-columns: 1fr; }
}

@media (max-width: 520px){
  .skill-row{ grid-template-columns: 68px 1fr 36px; }
  .cells{ grid-template-columns: repeat(12, 1fr); }
}

@media print{
  body{ font-size: 12pt; }
  .site-header{ position: static; box-shadow: none; }
  .hero-actions .btn-primary, .contact-form, .nav-toggle{ display: none; }
}