:root {
  --bg: #f2f2f0;
  --bg2: #e8e8e6;
  --text: #0a0a0a;
  --muted: #666666;
  --muted-dark: #b0b0b0;
  --accent: #c2261d;
  --display: 'Syne', sans-serif;
  --mono: 'DM Mono', monospace;
  --sans: 'DM Sans', sans-serif;
  --gutter: clamp(1.5rem, 5vw, 3rem);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { background: var(--bg); color: var(--text); font-family: var(--sans); overflow-x: hidden; -webkit-text-size-adjust: 100%; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

.c { width: 100%; max-width: 1100px; margin: 0 auto; padding: 0 var(--gutter); }

/* ── NAV ── */
.nav {
  position: sticky; top: 0;
  background: var(--bg);
  border-bottom: 2px solid var(--text);
  z-index: 100; padding: 1rem 0;
  transition: box-shadow .2s ease, background .2s ease;
}
.nav.scrolled {
  background: rgba(242,242,240,.85);
  backdrop-filter: blur(8px);
  box-shadow: 0 4px 20px -8px rgba(10,10,10,.25);
}
.nav-inner { display: flex; justify-content: space-between; align-items: center; }
.logo {
  font-family: var(--display); font-size: 1rem;
  font-weight: 800; text-transform: uppercase; letter-spacing: -.02em;
}
.nav-links { display: flex; gap: 2.5rem; }
.nav-links a {
  font-family: var(--mono); font-size: .7rem; color: var(--muted);
  letter-spacing: .1em; text-transform: uppercase; transition: color .15s;
  position: relative; padding-bottom: 2px;
}
.nav-links a::after {
  content: ''; position: absolute; bottom: 0; left: 0;
  width: 100%; height: 1px; background: var(--text);
  transform: scaleX(0); transform-origin: left;
  transition: transform .2s ease;
}
.nav-links a:hover,
.nav-links a.active { color: var(--text); }
.nav-links a:hover::after,
.nav-links a.active::after { transform: scaleX(1); }
.nav-links a.active::after { background: var(--accent); }

/* mobile nav */
.mobile-btn {
  display: none; background: none; border: none; cursor: pointer;
  flex-direction: column; gap: 5px; padding: 4px;
}
.mobile-btn span {
  display: block; width: 22px; height: 2px;
  background: var(--text); transition: .2s;
}

/* ── HERO ── */
.hero {
  min-height: 100vh; display: flex; flex-direction: column;
  justify-content: flex-end; padding: 120px 0 4rem;
  border-bottom: 2px solid var(--text);
}
.hero-kicker {
  font-family: var(--mono); font-size: .72rem; color: var(--muted);
  letter-spacing: .2em; text-transform: uppercase; margin-bottom: 1.5rem;
}
h1 {
  font-family: var(--display);
  font-size: clamp(5rem, 14vw, 13rem);
  font-weight: 800; line-height: .82; letter-spacing: -.04em; margin-bottom: 3rem;
}
.accent { color: var(--accent); }
.hero-foot {
  display: flex; justify-content: space-between;
  align-items: flex-end; gap: 2rem; flex-wrap: wrap;
}
.hero-desc {
  font-size: 1.1rem; color: var(--muted);
  max-width: 440px; line-height: 1.75; font-weight: 300;
}
.ctas { display: flex; gap: 1rem; flex-wrap: wrap; }
.btn-a {
  padding: .85rem 2.2rem; background: var(--text); color: var(--bg);
  font-family: var(--mono); font-size: .75rem; letter-spacing: .1em;
  text-transform: uppercase; border: 2px solid var(--text);
  transition: background .15s, border-color .15s; display: inline-block;
}
.btn-a:hover { background: var(--accent); border-color: var(--accent); }
.btn-b {
  padding: .85rem 2.2rem; background: transparent; color: var(--text);
  font-family: var(--mono); font-size: .75rem; letter-spacing: .1em;
  text-transform: uppercase; border: 2px solid var(--text);
  transition: background .15s, color .15s; display: inline-block;
}
.btn-b:hover { background: var(--text); color: var(--bg); }

/* ── CHAPTERS ── */
.chapter { padding: 5rem 0 2rem; border-bottom: 2px solid var(--text); }
.chapter-num {
  font-family: var(--mono); font-size: .65rem; color: var(--accent);
  letter-spacing: .2em; text-transform: uppercase; margin-bottom: .8rem;
}
h2 {
  font-family: var(--display);
  font-size: clamp(3rem, 7vw, 7rem);
  font-weight: 800; letter-spacing: -.04em; line-height: .88; margin-bottom: 3rem;
}
.muted-word { color: var(--muted); display: block; }

/* ── ABOUT ── */
.about-body {
  max-width: 720px; font-size: 1.15rem; color: var(--muted);
  line-height: 1.85; font-weight: 300; padding-bottom: 4rem;
}
.about-body strong { color: var(--text); font-weight: 500; }

/* ── SKILLS ── */
.skill-row {
  display: grid; grid-template-columns: 80px 1fr 1fr;
  gap: 0; border-top: 1px solid rgba(10,10,10,.15);
  padding: 2.5rem 0; align-items: start;
}
.skill-row:last-of-type { border-bottom: 1px solid rgba(10,10,10,.15); }
.sk-num {
  font-family: var(--display); font-size: 3.5rem;
  font-weight: 800; color: rgba(10,10,10,.1); line-height: 1;
}
.sk-title {
  font-family: var(--display); font-size: 1.6rem;
  font-weight: 800; letter-spacing: -.02em;
}
.sk-items {
  font-family: var(--mono); font-size: .78rem;
  color: var(--muted); line-height: 2.2; padding-top: .3rem;
}

/* ── PROJECTS ── */
.proj-list { display: flex; flex-direction: column; padding-bottom: 4rem; }
.proj {
  position: relative;
  display: grid; grid-template-columns: 1fr 2fr 1fr;
  gap: 2rem; padding: 2.5rem 0;
  border-top: 1px solid rgba(10,10,10,.15);
  align-items: start;
}
.proj:last-child { border-bottom: 1px solid rgba(10,10,10,.15); }
.proj::before {
  content: ""; position: absolute; z-index: -1;
  top: 0; bottom: 0; left: calc(-1 * var(--gutter)); right: calc(-1 * var(--gutter));
  background: var(--bg2); opacity: 0; transition: opacity .25s ease, box-shadow .25s ease;
  box-shadow: inset 0 0 0 1px transparent;
}
.proj:hover::before {
  opacity: 1;
  box-shadow: inset 0 0 0 1px rgba(194,38,29,.4), 0 8px 30px -12px rgba(194,38,29,.28);
}
.proj { transition: transform .25s ease; }
.proj:hover { transform: translateY(-3px); }
.proj-name {
  font-family: var(--display); font-size: 1.8rem;
  font-weight: 800; letter-spacing: -.03em; line-height: 1;
}
.proj-desc { font-size: .92rem; color: var(--muted); line-height: 1.7; }
.proj-meta { text-align: right; }
.proj-tags { display: flex; flex-wrap: wrap; gap: .4rem; justify-content: flex-end; margin-bottom: .8rem; }
.proj-tags span {
  font-family: var(--mono); font-size: .62rem; color: var(--text);
  border: 1px solid var(--text); padding: .2rem .5rem;
}
.proj-link {
  font-family: var(--mono); font-size: .7rem; color: var(--accent);
  transition: text-decoration .15s;
}
.proj-link:hover { text-decoration: underline; }

/* ── CTA BANNER ── */
.cta-banner {
  background: var(--text); color: var(--bg);
  padding: 5rem 0; border-bottom: 2px solid var(--text);
}
.cta-inner {
  display: flex; justify-content: space-between;
  align-items: center; gap: 2rem; flex-wrap: wrap;
}
.cta-kicker {
  font-family: var(--mono); font-size: .7rem; color: var(--muted-dark);
  letter-spacing: .15em; text-transform: uppercase; margin-bottom: .6rem;
}
.cta-heading {
  font-family: var(--display); font-size: clamp(1.8rem, 4vw, 3rem);
  font-weight: 800; letter-spacing: -.03em; line-height: 1.05;
}
.btn-cta {
  flex-shrink: 0;
  padding: 1rem 2.5rem; background: var(--accent); color: var(--bg);
  font-family: var(--mono); font-size: .75rem; letter-spacing: .1em;
  text-transform: uppercase; border: 2px solid var(--accent);
  display: inline-block; position: relative; overflow: hidden;
  transition: color .2s ease;
}
.btn-cta::before {
  content: ''; position: absolute; inset: 0;
  background: var(--bg); transform: translateX(-101%);
  transition: transform .2s ease;
}
.btn-cta:hover { color: var(--text); }
.btn-cta:hover::before { transform: translateX(0); }
.btn-cta span { position: relative; z-index: 1; }

/* ── FAQ ── */
.faq-list { padding-bottom: 4rem; }
.faq-item { border-top: 1px solid rgba(10,10,10,.15); }
.faq-item:last-child { border-bottom: 1px solid rgba(10,10,10,.15); }
.faq-q {
  width: 100%; display: flex; justify-content: space-between; align-items: center;
  gap: 1rem; padding: 1.5rem 0; background: none; border: none; cursor: pointer;
  font-family: var(--sans); font-size: 1rem; font-weight: 500;
  color: var(--text); text-align: left; transition: color .15s;
}
.faq-q:hover { color: var(--accent); }
.faq-icon {
  font-family: var(--mono); font-size: 1.2rem; color: var(--muted);
  transition: transform .25s ease, color .15s; flex-shrink: 0;
}
.faq-item.open .faq-icon { transform: rotate(45deg); color: var(--accent); }
.faq-a {
  max-height: 0; overflow: hidden;
  transition: max-height .3s ease;
}
.faq-item.open .faq-a { max-height: 999px; }
.faq-a > p {
  min-height: 0; font-size: .95rem; color: var(--muted); line-height: 1.75;
  padding-bottom: 1.5rem;
}

/* ── CONTACT ── */
.contact-body { padding: 4rem 0; text-align: center; }
.contact-cta {
  font-family: var(--display);
  font-size: clamp(2rem, 5vw, 5rem);
  font-weight: 800; letter-spacing: -.03em; margin-bottom: 3rem; line-height: .9;
  max-width: 100%;
  overflow-wrap: anywhere;
  word-break: break-word;
}
.contact-links { display: flex; justify-content: center; flex-wrap: wrap; gap: 2.5rem; }
.ct { display: flex; flex-direction: column; gap: .3rem; align-items: center; }
.ct-label {
  font-family: var(--mono); font-size: .62rem; color: var(--muted);
  text-transform: uppercase; letter-spacing: .15em;
}
.ct-val {
  font-family: var(--mono); font-size: .88rem; color: var(--text);
  border-bottom: 1px solid transparent; transition: color .15s, border-color .15s;
}
.ct-val:hover { color: var(--accent); border-bottom-color: var(--accent); }

/* ── FOOTER ── */
.footer {
  padding: 1.5rem 0; border-top: 2px solid var(--text);
  font-family: var(--mono); font-size: .68rem; color: var(--muted);
}
.footer-inner { display: flex; justify-content: space-between; }

/* ── SCROLL ANIMATIONS ── */
.reveal {
  opacity: 0; transform: translateY(28px);
  transition: opacity .6s ease, transform .6s ease;
}
.reveal.visible { opacity: 1; transform: none; }

/* ── RESPONSIVE ── */
@media (max-width: 768px) {
  .nav { padding: .85rem 0; }
  .nav-inner { position: relative; }
  .logo { font-size: .95rem; }
  .mobile-btn { display: flex; }
  .nav-links {
    position: absolute; top: calc(100% + .5rem); left: 0; right: 0;
    background: var(--bg); border: 2px solid var(--text);
    flex-direction: column; align-items: stretch; gap: 0;
    padding: 1rem 1.25rem; transform: translateY(-120%); opacity: 0;
    pointer-events: none; transition: transform .25s ease, opacity .25s ease;
    z-index: 99;
  }
  .nav-links.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }
  .nav-links a {
    display: block; width: 100%; padding: .8rem 0;
    font-size: .95rem; text-align: center;
  }

  h1 { font-size: clamp(3.2rem, 16vw, 5.2rem); margin-bottom: 2rem; }
  h2 { font-size: clamp(2.2rem, 10vw, 3.6rem); margin-bottom: 2rem; }
  .hero { min-height: auto; padding: 5.5rem 0 3rem; }
  .hero-foot { flex-direction: column; align-items: flex-start; gap: 1.25rem; }
  .hero-desc { font-size: 1rem; max-width: 100%; }
  .chapter { padding: 4rem 0 1.5rem; }

  .skill-row {
    grid-template-columns: 1fr;
    gap: .35rem;
    padding: 1.75rem 0;
  }
  .sk-num { font-size: 1.7rem; }
  .sk-title { font-size: 1.35rem; }
  .sk-items {
    grid-column: 1 / -1;
    padding-top: .25rem;
    font-size: .72rem;
    line-height: 1.8;
  }

  .proj { grid-template-columns: 1fr; gap: .75rem; padding: 1.6rem 0; }
  .proj-name { font-size: 1.45rem; }
  .proj-desc { font-size: .88rem; }
  .proj-meta { text-align: left; }
  .proj-tags { justify-content: flex-start; }

  .cta-banner { padding: 3.5rem 0; }
  .cta-inner { flex-direction: column; align-items: flex-start; gap: 1.25rem; }
  .faq-q { font-size: .95rem; line-height: 1.5; }
  .faq-a > p { font-size: .9rem; }
  .contact-body { padding: 3rem 0; }
  .contact-links { flex-direction: column; gap: 1.25rem; }
  .footer-inner { flex-direction: column; gap: .35rem; }
}

@media (max-width: 480px) {
  .hero { padding: 4.5rem 0 2.5rem; }
  .hero-kicker { letter-spacing: .12em; font-size: .64rem; }
  .ctas { flex-direction: column; width: 100%; }
  .btn-a, .btn-b, .btn-cta { width: 100%; text-align: center; }
  .chapter-num { font-size: .62rem; }
  .cta-heading { font-size: 1.7rem; }
  .contact-cta { font-size: clamp(1.8rem, 12vw, 3rem); }
  .faq-q { padding: 1.25rem 0; }
  .cta-banner { padding: 3rem 0; }
  .footer { padding: 1.25rem 0; }
}

/* ── REDUCED MOTION ── */
@media (prefers-reduced-motion: reduce) {
  * { animation-duration: .001ms !important; transition-duration: .001ms !important; scroll-behavior: auto !important; }
  .reveal { opacity: 1; transform: none; }
}