/* ============================================================
   TOKENS
   ============================================================ */
:root {
  --bg: #e9eaec;
  --surface: #f5f5f6;
  --surface-hover: #ffffff;
  --ink: #14161a;
  --muted: #63666d;
  --line: #c7c9cd;
  --accent: #ff4d1c;
  --accent-ink: #ffffff;

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

  --container: 1240px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  * {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.5;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 64px 64px;
  background-position: -1px -1px;
}

a {
  color: inherit;
}

.wrap {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

.mono {
  font-family: var(--font-mono);
  letter-spacing: 0.02em;
}

/* ============================================================
   HEADER
   ============================================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(233, 234, 236, 0.88);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.brand {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 18px;
  text-decoration: none;
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.brand small {
  font-family: var(--font-mono);
  font-weight: 400;
  font-size: 11px;
  color: var(--muted);
}

.nav-links {
  display: flex;
  gap: 32px;
  list-style: none;
  margin: 0;
  padding: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.nav-links a {
  text-decoration: none;
  color: var(--ink);
  position: relative;
  padding-bottom: 3px;
}

.nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -3px;
  height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s ease;
}

.nav-links a:hover::after,
.nav-links a:focus-visible::after {
  transform: scaleX(1);
}

/* ============================================================
   HERO — viewport frame with HUD corners
   ============================================================ */
.hero {
  position: relative;
  padding: 96px 0 72px;
}

.viewport {
  position: relative;
  border: 1px solid var(--ink);
  padding: 56px 40px;
  background: var(--surface);
}

.viewport::before,
.viewport::after,
.corner-tl,
.corner-br {
  content: "";
  position: absolute;
  width: 22px;
  height: 22px;
  border: 2px solid var(--accent);
}

.viewport::before {
  top: -2px;
  left: -2px;
  border-right: none;
  border-bottom: none;
}

.viewport::after {
  bottom: -2px;
  right: -2px;
  border-left: none;
  border-top: none;
}

.hud-row {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px 20px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 40px;
}

.hero h1 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(40px, 7vw, 84px);
  line-height: 0.98;
  letter-spacing: -0.02em;
  margin: 0 0 24px;
}

.hero h1 em {
  font-style: normal;
  color: var(--accent);
}

.hero p.lede {
  font-size: clamp(16px, 2vw, 20px);
  color: var(--muted);
  max-width: 560px;
  margin: 0 0 40px;
}

.hero-meta {
  display: flex;
  gap: 40px;
  flex-wrap: wrap;
  border-top: 1px solid var(--line);
  padding-top: 24px;
  font-family: var(--font-mono);
  font-size: 12px;
}

.hero-meta div span {
  display: block;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: 10px;
  margin-bottom: 4px;
}

/* ============================================================
   FILTER BAR
   ============================================================ */
.filter-bar {
  position: sticky;
  top: 73px;
  z-index: 40;
  background: var(--bg);
  border-bottom: 1px solid var(--line);
  padding: 20px 0;
}

.filter-list {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  list-style: none;
  margin: 0;
  padding: 0;
}

.filter-btn {
  font-family: var(--font-mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  background: transparent;
  border: 1px solid var(--line);
  color: var(--muted);
  padding: 8px 14px;
  cursor: pointer;
  transition: all 0.15s ease;
}

.filter-btn:hover {
  border-color: var(--ink);
  color: var(--ink);
}

.filter-btn.active {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--bg);
}

/* ============================================================
   PROJECT GRID
   ============================================================ */
.gallery {
  padding: 56px 0 96px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 24px;
}

.card {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--line);
  cursor: pointer;
  overflow: hidden;
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.card:hover,
.card:focus-visible {
  border-color: var(--ink);
  transform: translateY(-2px);
}

.card-frame {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: #d8d9db;
}

.card-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.5s ease;
}

.card:hover .card-frame img {
  transform: scale(1.05);
}

.card-bracket {
  position: absolute;
  inset: 10px;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.2s ease;
}

.card:hover .card-bracket {
  opacity: 1;
}

.card-bracket span {
  position: absolute;
  width: 16px;
  height: 16px;
  border: 2px solid var(--accent-ink);
}

.card-bracket span:nth-child(1) {
  top: 0;
  left: 0;
  border-right: none;
  border-bottom: none;
}
.card-bracket span:nth-child(2) {
  top: 0;
  right: 0;
  border-left: none;
  border-bottom: none;
}
.card-bracket span:nth-child(3) {
  bottom: 0;
  left: 0;
  border-right: none;
  border-top: none;
}
.card-bracket span:nth-child(4) {
  bottom: 0;
  right: 0;
  border-left: none;
  border-top: none;
}

.card-info {
  padding: 16px 18px 18px;
  border-top: 1px solid var(--line);
}

.card-client {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--accent);
  margin-bottom: 6px;
}

.card-title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 18px;
  margin: 0 0 10px;
}

.card-tags {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--muted);
}

/* ============================================================
   LIGHTBOX
   ============================================================ */
.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(20, 22, 26, 0.96);
  z-index: 100;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 32px;
}

.lightbox.open {
  display: flex;
}

.lightbox-inner {
  position: relative;
  max-width: 1100px;
  width: 100%;
}

.lightbox-frame {
  position: relative;
  border: 1px solid rgba(255, 255, 255, 0.25);
}

.lightbox-frame img {
  width: 100%;
  max-height: 72vh;
  object-fit: contain;
  display: block;
  background: #0e0f11;
}

.lightbox-hud {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 12px;
  color: #d5d6d9;
  padding-top: 16px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.lightbox-title {
  color: #fff;
}

.lightbox-title strong {
  font-family: var(--font-display);
  display: block;
  font-size: 20px;
  text-transform: none;
  letter-spacing: normal;
  margin-bottom: 4px;
  color: var(--accent);
}

.lightbox-nav {
  display: flex;
  gap: 10px;
  align-items: center;
}

.lb-btn {
  font-family: var(--font-mono);
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.3);
  color: #fff;
  width: 36px;
  height: 36px;
  cursor: pointer;
  font-size: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: border-color 0.15s ease, background 0.15s ease;
}

.lb-btn:hover,
.lb-btn:focus-visible {
  border-color: var(--accent);
  background: rgba(255, 77, 28, 0.15);
}

.lb-close {
  position: absolute;
  top: -48px;
  right: 0;
}

/* ============================================================
   ABOUT
   ============================================================ */
.about {
  border-top: 1px solid var(--line);
  padding: 80px 0;
  background: var(--surface);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 56px;
  align-items: start;
}

.about h2,
.contact h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(28px, 4vw, 40px);
  margin: 0 0 8px;
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin: 0 0 12px;
}

.about p {
  color: var(--muted);
  font-size: 16px;
  max-width: 60ch;
}

.tool-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 20px;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
}

.tool-list li {
  border: 1px solid var(--line);
  padding: 6px 10px;
  color: var(--ink);
}

/* ============================================================
   CONTACT / FOOTER
   ============================================================ */
.contact {
  padding: 80px 0 40px;
}

.contact-links {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 32px;
}

.contact-link {
  font-family: var(--font-mono);
  font-size: 13px;
  text-decoration: none;
  border: 1px solid var(--ink);
  padding: 12px 20px;
  color: var(--ink);
  transition: background 0.15s ease, color 0.15s ease;
}

.contact-link.primary {
  background: var(--ink);
  color: var(--bg);
}

.contact-link:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

.site-footer {
  border-top: 1px solid var(--line);
  padding: 24px 0;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--muted);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 760px) {
  .nav-links {
    display: none;
  }
  .viewport {
    padding: 32px 20px;
  }
  .about-grid {
    grid-template-columns: 1fr;
  }
  .hero-meta {
    gap: 24px;
  }
  .filter-bar {
    top: 0;
  }
  .lightbox-hud {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }
  .lightbox-nav {
    width: 100%;
    justify-content: space-between;
  }
}