:root {
  --background: #0b0d10;
  --surface: #11141a;
  --surface-light: #161a22;
  --text: #f4f5f7;
  --body: #b7bdc8;
  --muted: #7e8796;
  --border: #272c36;
  --blue: #4b88ff;
  --blue-hover: #6ca0ff;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; overflow-x: hidden; background: var(--background); color: var(--text); font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; }
button, a { -webkit-tap-highlight-color: transparent; }
::selection { background: var(--blue); color: white; }
.container { width: min(1120px, calc(100% - 48px)); margin: 0 auto; }

.site-header { position: relative; z-index: 10; border-bottom: 1px solid var(--border); background: rgba(11, 13, 16, .94); }
.header-inner { min-height: 72px; display: flex; align-items: center; justify-content: space-between; }
.logo { font-size: 20px; font-weight: 750; letter-spacing: -.04em; }
.site-nav { display: flex; gap: 28px; font-size: 14px; color: var(--body); }
.site-nav a:hover { color: var(--text); }
.menu-button { display: none; border: 1px solid var(--border); border-radius: 5px; background: var(--surface); color: var(--text); padding: 9px 12px; font: inherit; }

.hero { padding: 112px 0 104px; border-bottom: 1px solid var(--border); }
.kicker, .section-label { margin: 0; color: var(--blue); font: 12px ui-monospace, SFMono-Regular, Consolas, monospace; text-transform: uppercase; letter-spacing: .08em; }
h1 { margin: 28px 0 34px; max-width: 800px; font-size: clamp(68px, 9vw, 112px); line-height: .93; letter-spacing: -.065em; font-weight: 700; }
.hero-intro { max-width: 660px; margin: 0; color: var(--body); font-size: 20px; line-height: 1.6; }
.hero-links { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 38px; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 12px; min-height: 46px; padding: 0 18px; border-radius: 6px; font-size: 14px; font-weight: 600; transition: background .2s ease, border-color .2s ease; }
.button.primary { background: var(--blue); color: white; }
.button.primary:hover { background: var(--blue-hover); }
.button.secondary { border: 1px solid var(--border); background: var(--surface); }
.button.secondary:hover { border-color: #424a59; background: var(--surface-light); }

.page-section { padding: 104px 0; border-bottom: 1px solid var(--border); scroll-margin-top: 32px; }
.content-width { max-width: 920px; min-width: 0; }
.section-label { margin-bottom: 24px; }
h2 { margin: 0; font-size: clamp(38px, 5vw, 58px); line-height: 1.08; letter-spacing: -.045em; font-weight: 650; }
.two-column-copy { display: grid; grid-template-columns: 1fr 1fr; gap: 28px 54px; margin-top: 52px; }
.two-column-copy p, .story-text p, .project-summary, .skills-grid article > p { margin: 0; color: var(--body); font-size: 17px; line-height: 1.7; }

.skills-section { background: var(--surface); }
.skills-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-top: 54px; }
.skills-grid article { padding: 30px; border: 1px solid var(--border); border-radius: 8px; background: var(--background); }
.skills-grid h3 { margin: 0 0 10px; font-size: 20px; }
.skills-grid ul { margin: 22px 0 0; padding: 20px 0 0 18px; border-top: 1px solid var(--border); color: var(--body); }
.skills-grid li { padding: 5px 0 5px 5px; line-height: 1.45; }
.skills-grid li::marker { color: var(--blue); }

.project-title-row { display: flex; align-items: flex-end; justify-content: space-between; gap: 40px; }
.project-title-row h2 { margin-bottom: 20px; }
.project-summary { max-width: 660px; font-size: 19px; }
.project-title-row .button { flex: none; }
.fivebench-banner { display: block; width: 100%; height: auto; margin: 54px 0 64px; border: 1px solid var(--border); border-radius: 8px; }
.story-layout { display: grid; grid-template-columns: minmax(0, 1fr) 260px; gap: 80px; align-items: start; }
.story-text { max-width: 650px; }
.story-text h3 { margin: 56px 0 16px; font-size: 24px; letter-spacing: -.02em; }
.story-text h3:first-child { margin-top: 0; }
.story-text p + p { margin-top: 22px; }
.project-details { position: sticky; top: 28px; border-top: 1px solid var(--border); }
.project-details > div:not(.project-links) { padding: 18px 0; border-bottom: 1px solid var(--border); }
.project-details span { display: block; margin-bottom: 6px; color: var(--muted); font-size: 12px; }
.project-details strong { font-size: 14px; font-weight: 550; }
.project-links { display: flex; flex-direction: column; gap: 14px; margin-top: 26px; }
.project-links a { display: flex; justify-content: space-between; color: var(--blue); font-size: 14px; }
.project-links a:hover { color: var(--blue-hover); }

footer { padding: 64px 0 30px; }
.footer-inner { display: flex; justify-content: space-between; gap: 40px; }
.footer-inner strong { font-size: 22px; }
.footer-inner p { max-width: 420px; margin: 12px 0 0; color: var(--muted); line-height: 1.6; }
.footer-links { display: flex; align-items: flex-start; gap: 26px; color: var(--body); font-size: 14px; }
.footer-links a:hover { color: var(--text); }
.copyright { margin-top: 52px; padding-top: 18px; border-top: 1px solid var(--border); color: var(--muted); font-size: 12px; }

@media (max-width: 980px) {
  .hero { padding: 92px 0 88px; }
  h1 { font-size: clamp(64px, 10.5vw, 94px); }
  .page-section { padding: 88px 0; }
  .story-layout { grid-template-columns: minmax(0, 1fr) 230px; gap: 44px; }
  .project-title-row { align-items: flex-start; }
}

@media (max-width: 760px) {
  .container { width: min(100% - 36px, 1120px); }
  .header-inner { min-height: 64px; }
  .menu-button { display: block; }
  .site-nav { display: none; position: absolute; top: 64px; left: 0; right: 0; padding: 12px 18px 18px; flex-direction: column; gap: 0; border-bottom: 1px solid var(--border); background: var(--background); }
  .site-nav.is-open { display: flex; }
  .site-nav a { padding: 12px 6px; }
  .hero { padding: 78px 0 72px; }
  h1 { max-width: 100%; font-size: clamp(58px, 16vw, 86px); overflow-wrap: anywhere; }
  .hero-intro { font-size: 18px; }
  .page-section { padding: 78px 0; }
  h2 { font-size: 38px; }
  .two-column-copy, .skills-grid { grid-template-columns: minmax(0, 1fr); }
  .two-column-copy { gap: 24px; margin-top: 40px; }
  .skills-grid { margin-top: 42px; }
  .project-title-row { align-items: flex-start; flex-direction: column; }
  .story-layout { grid-template-columns: minmax(0, 1fr); gap: 60px; }
  .project-details { position: static; }
  .footer-inner { flex-direction: column; }
  .footer-links { flex-wrap: wrap; }
}

@media (max-width: 540px) {
  .container { width: calc(100% - 28px); }
  .hero { padding: 60px 0 64px; }
  .kicker, .section-label { font-size: 11px; line-height: 1.5; }
  h1 { margin: 22px 0 28px; font-size: clamp(48px, 16.5vw, 68px); line-height: .96; }
  .hero-intro { font-size: 17px; }
  .hero-links { flex-direction: column; margin-top: 30px; }
  .hero-links .button { width: 100%; min-height: 48px; }
  .page-section { padding: 64px 0; }
  h2 { font-size: 34px; }
  .two-column-copy p, .story-text p, .project-summary, .skills-grid article > p { font-size: 16px; }
  .skills-grid article { padding: 22px; }
  .project-title-row .button { width: 100%; }
  .fivebench-banner { margin: 34px 0 46px; border-radius: 5px; }
  .project-details { display: grid; grid-template-columns: 1fr 1fr; column-gap: 22px; }
  .project-links { grid-column: 1 / -1; }
}

@media (max-width: 360px) {
  .container { width: calc(100% - 24px); }
  h1 { font-size: 46px; }
  h2 { font-size: 31px; }
  .skills-grid article { padding: 18px; }
  .project-details { grid-template-columns: 1fr; }
  .project-links { grid-column: auto; }
}

@media (max-height: 500px) and (orientation: landscape) { .hero { padding: 48px 0; } h1 { font-size: 62px; } }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }