/* ============================================
   TOKENS
============================================ */
:root {
  --canvas: #F6F7FA;
  --panel: #FFFFFF;
  --panel-border: #E4E7EE;
  --ink: #10192B;
  --slate: #5B6478;
  --slate-light: #8890A0;

  --amber: #E8A33D;
  --amber-dark: #C7841F;
  --amber-tint: #FCEFD9;

  --teal: #12897F;
  --teal-tint: #E4F5F3;

  --coral: #D6524A;
  --coral-tint: #FBE8E6;

  --radius-lg: 18px;
  --radius-md: 12px;
  --radius-sm: 8px;
  --shadow-sm: 0 1px 2px rgba(16,25,43,0.05);
  --shadow-md: 0 10px 30px rgba(16,25,43,0.07);

  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  --maxw: 1120px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--canvas);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { margin: 0; padding: 0; list-style: none; }

::selection { background: var(--amber); color: var(--ink); }

/* ============================================
   REVEAL ANIMATION
============================================ */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.is-visible { opacity: 1; transform: translateY(0); }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  * { animation: none !important; transition-duration: 0.01ms !important; }
}

/* ============================================
   BUTTONS
============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 13.5px;
  font-weight: 500;
  letter-spacing: 0.02em;
  padding: 12px 22px;
  border-radius: var(--radius-sm);
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease, border-color 0.15s ease;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: var(--ink); color: #fff; }
.btn-primary:hover { box-shadow: var(--shadow-md); }
.btn-outline { border-color: var(--ink); color: var(--ink); background: transparent; }
.btn-outline:hover { background: var(--ink); color: #fff; }
.btn-ghost { border-color: var(--panel-border); color: var(--ink); }
.btn-ghost:hover { border-color: var(--ink); }
.btn-small { padding: 9px 16px; font-size: 12.5px; }

/* ============================================
   NAV
============================================ */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(246,247,250,0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--panel-border);
}
.nav-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  align-items: center;
  gap: 32px;
}
.nav-mark {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 20px;
  letter-spacing: -0.01em;
}
.nav-mark span { color: var(--amber); }
.nav-links {
  display: flex;
  gap: 26px;
  margin-right: auto;
  font-size: 14.5px;
  font-weight: 500;
  color: var(--slate);
}
.nav-links a:hover { color: var(--ink); }
.nav-cta { margin-left: 0; }
.nav-toggle { display: none; }

/* ============================================
   HERO
============================================ */
.hero {
  position: relative;
  padding: 96px 24px 64px;
  overflow: hidden;
}
.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--panel-border) 1px, transparent 1px),
    linear-gradient(90deg, var(--panel-border) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 20%, black 10%, transparent 75%);
  opacity: 0.6;
}
.hero-inner {
  position: relative;
  max-width: var(--maxw);
  margin: 0 auto;
}
.hero-top {
  display: flex;
  align-items: center;
  gap: 22px;
  margin-bottom: 22px;
}
.hero-photo {
  flex: 0 0 auto;
  width: 96px;
  height: 96px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--panel);
  box-shadow: 0 0 0 3px var(--amber), var(--shadow-sm);
}
.hero-heading { min-width: 0; }
.hero-heading .eyebrow { margin-bottom: 10px; }
.hero-heading .hero-title { margin-bottom: 0; }
.eyebrow {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--amber-dark);
  margin: 0 0 18px;
}
.hero-title {
  font-family: var(--font-display);
  font-size: clamp(42px, 7vw, 76px);
  font-weight: 700;
  line-height: 1.02;
  letter-spacing: -0.02em;
  margin: 0 0 22px;
}
.hero-sub {
  max-width: 620px;
  font-size: 17.5px;
  color: var(--slate);
  margin: 0 0 32px;
}
.hero-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 56px;
}
.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--slate);
  padding: 8px 14px;
  border: 1px solid var(--panel-border);
  border-radius: 100px;
  background: var(--panel);
}
.status-pill .dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--teal);
  box-shadow: 0 0 0 3px var(--teal-tint);
}

.kpi-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}
.kpi-card {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius-lg);
  padding: 22px 20px 18px;
  box-shadow: var(--shadow-sm);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.kpi-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.kpi-num {
  display: block;
  font-family: var(--font-display);
  font-size: 38px;
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1;
  margin-bottom: 10px;
}
.kpi-label {
  display: block;
  font-size: 13px;
  color: var(--slate);
  line-height: 1.35;
  margin-bottom: 14px;
}
.kpi-bar { display: block; height: 4px; width: 36px; border-radius: 4px; }
.kpi-bar.amber { background: var(--amber); }
.kpi-bar.teal { background: var(--teal); }

/* ============================================
   WAVE DIVIDER
============================================ */
.wave-divider { line-height: 0; }
.wave-divider svg { width: 100%; height: 44px; }
.wave-divider svg path { fill: var(--panel); }
.wave-divider-dark svg path { fill: var(--ink); }

/* ============================================
   SECTIONS
============================================ */
.section { padding: 84px 24px; background: var(--panel); }
.section-alt { background: var(--canvas); }
.section-inner { max-width: var(--maxw); margin: 0 auto; }

.section-eyebrow {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--amber-dark);
  margin: 0 0 12px;
}
.section-eyebrow.light { color: var(--amber); }
.section-title {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 38px);
  font-weight: 700;
  letter-spacing: -0.01em;
  margin: 0 0 40px;
}

/* About */
.about-grid { display: grid; grid-template-columns: 260px 1fr; gap: 48px; align-items: start; }
.about-grid .section-title { margin-bottom: 0; }
.about-body p { color: var(--slate); font-size: 16.5px; margin: 0 0 18px; }
.about-body p:last-child { margin-bottom: 0; }
.about-body strong { color: var(--ink); }

/* ============================================
   EXPERIENCE
============================================ */
.timeline { display: flex; flex-direction: column; gap: 20px; }
.job {
  position: relative;
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius-lg);
  padding: 28px 30px 28px 34px;
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}
.job:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.job-bar { position: absolute; left: 0; top: 0; bottom: 0; width: 5px; }
.job-bar.amber { background: var(--amber); }
.job-bar.teal { background: var(--teal); }
.job-bar.coral { background: var(--coral); }

.job-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 16px;
}
.job-head h3 { font-family: var(--font-display); font-size: 19px; margin: 0 0 4px; }
.job-freelance { color: var(--slate-light); font-weight: 400; font-size: 15px; }
.job-company { margin: 0; color: var(--slate); font-size: 14.5px; }
.job-meta { display: flex; flex-direction: column; align-items: flex-end; gap: 8px; }
.job-date { font-family: var(--font-mono); font-size: 12.5px; color: var(--slate-light); }

.job ul { display: flex; flex-direction: column; gap: 8px; }
.job li {
  position: relative;
  padding-left: 18px;
  font-size: 15px;
  color: var(--slate);
}
.job li::before {
  content: "";
  position: absolute; left: 0; top: 9px;
  width: 5px; height: 5px; border-radius: 50%;
  background: var(--slate-light);
}
.job li strong { color: var(--ink); }

/* Tags */
.tag {
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 500;
  letter-spacing: 0.03em;
  padding: 5px 10px;
  border-radius: 100px;
  white-space: nowrap;
}
.tag-amber { background: var(--amber-tint); color: var(--amber-dark); }
.tag-teal { background: var(--teal-tint); color: var(--teal); }
.tag-coral { background: var(--coral-tint); color: var(--coral); }
.tag-ghost { background: var(--panel-border); color: var(--slate); }

/* ============================================
   SKILLS
============================================ */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 28px 40px;
}
.skill-group h3 {
  display: flex;
  align-items: center;
  gap: 9px;
  font-family: var(--font-display);
  font-size: 16px;
  margin: 0 0 14px;
}
.dot { width: 9px; height: 9px; border-radius: 50%; display: inline-block; }
.dot.amber { background: var(--amber); }
.dot.teal { background: var(--teal); }
.dot.coral { background: var(--coral); }

.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--ink);
  background: var(--panel);
  border: 1px solid var(--panel-border);
  padding: 7px 12px;
  border-radius: 100px;
  transition: border-color 0.15s ease, transform 0.15s ease;
}
.chip:hover { border-color: var(--ink); transform: translateY(-1px); }

/* ============================================
   PROJECTS
============================================ */
.projects-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 8px;
}
.projects-head .section-title { margin-bottom: 0; }
.projects-note { color: var(--slate); font-size: 14.5px; margin: 12px 0 36px; }
.projects-note a { color: var(--teal); font-weight: 600; }
.projects-note a:hover { text-decoration: underline; }

.project-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 18px;
}
.project-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 10px;
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius-lg);
  padding: 26px;
  box-shadow: var(--shadow-sm);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}
.project-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: var(--ink); }
.project-card h3 { font-family: var(--font-display); font-size: 17px; margin: 4px 0 0; }
.project-card p { font-size: 14.5px; color: var(--slate); margin: 0; flex: 1; }
.project-link {
  font-family: var(--font-mono);
  font-size: 12.5px;
  font-weight: 600;
  color: var(--teal);
  margin-top: 4px;
}
.project-card-more { background: var(--ink); border-color: var(--ink); }
.project-card-more h3, .project-card-more p { color: #fff; }
.project-card-more .project-link { color: var(--amber); }
.project-card-more .tag-ghost { background: rgba(255,255,255,0.12); color: #fff; }

/* ============================================
   EDUCATION
============================================ */
.edu-list { display: flex; flex-direction: column; gap: 2px; }
.edu-item {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 20px 4px;
  border-bottom: 1px solid var(--panel-border);
}
.edu-item:last-child { border-bottom: none; }
.edu-mark { font-size: 22px; }
.edu-item h3 { font-family: var(--font-display); font-size: 17px; margin: 0 0 2px; }
.edu-item p { margin: 0; color: var(--slate); font-size: 14.5px; }

/* ============================================
   CERTIFICATIONS
============================================ */
.cert-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 12px;
}
.cert-card {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius-md);
  padding: 16px 18px;
  font-size: 14px;
  font-weight: 500;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.cert-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }
.cert-badge { font-size: 18px; }

/* ============================================
   CONTACT / FOOTER
============================================ */
.contact { background: var(--ink); color: #fff; }
.contact-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 8px 24px 64px;
  text-align: center;
}
.contact-title {
  font-family: var(--font-display);
  font-size: clamp(32px, 5vw, 52px);
  font-weight: 700;
  margin: 0 0 16px;
}
.contact-sub {
  max-width: 520px;
  margin: 0 auto 40px;
  color: #B8BECC;
  font-size: 16px;
}
.contact-links {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 48px;
}
.contact-link {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-family: var(--font-mono);
  font-size: 13.5px;
  padding: 12px 20px;
  border: 1px solid rgba(255,255,255,0.18);
  border-radius: 100px;
  transition: background 0.15s ease, border-color 0.15s ease, transform 0.15s ease;
}
.contact-link svg { width: 16px; height: 16px; fill: currentColor; }
.contact-link:hover { background: rgba(255,255,255,0.08); border-color: rgba(255,255,255,0.4); transform: translateY(-2px); }
.contact-foot {
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: #7C8398;
}
.divider-dot { margin: 0 10px; }

/* ============================================
   RESPONSIVE
============================================ */
@media (max-width: 900px) {
  .about-grid { grid-template-columns: 1fr; gap: 16px; }
  .kpi-row { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 560px) {
  .hero-top { gap: 14px; }
  .hero-photo { width: 68px; height: 68px; }
  .hero-title { font-size: clamp(30px, 9vw, 42px); }
}

@media (max-width: 720px) {
  .nav-links { display: none; }
  .nav-cta { display: none; }
  .nav-toggle {
    display: flex; flex-direction: column; justify-content: center; gap: 5px;
    width: 34px; height: 34px; background: none; border: none; cursor: pointer;
  }
  .nav-toggle span { width: 100%; height: 2px; background: var(--ink); border-radius: 2px; }

  .nav.nav-open .nav-links {
    display: flex; flex-direction: column; gap: 4px;
    position: absolute; top: 100%; left: 0; right: 0;
    background: var(--panel); padding: 12px 24px 20px;
    border-bottom: 1px solid var(--panel-border);
  }
  .nav.nav-open .nav-links a { padding: 10px 0; }

  .hero { padding: 64px 20px 48px; }
  .kpi-row { grid-template-columns: 1fr 1fr; }
  .section { padding: 60px 20px; }
  .job { padding: 22px 20px 22px 26px; }
}

@media (max-width: 480px) {
  .kpi-row { grid-template-columns: 1fr; }
}