/* =========================================================
   ПРОЕКТНАЯ — blueprint theme
   ========================================================= */

@import url('https://fonts.googleapis.com/css2?family=Unbounded:wght@500;700;900&family=JetBrains+Mono:wght@400;500;600&family=Manrope:wght@400;500;600;700&display=swap');

:root {
  --bg: #0b1729;
  --bg-elevated: #0f2038;
  --bg-elevated-2: #122645;
  --grid-line: rgba(120, 180, 255, 0.07);
  --grid-line-strong: rgba(120, 180, 255, 0.14);
  --ink: #eaf2ff;
  --ink-dim: #93aaca;
  --ink-faint: #5d729a;
  --blue: #4fa8ff;
  --blue-bright: #8fd0ff;
  --hazard: #ff7a3d;
  --hazard-dim: #c25a28;
  --paper: #e8e2d0;
  --paper-ink: #1b1a15;
  --line: #24395c;
  --radius: 2px;
  --maxw: 1120px;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

body {
  margin: 0;
  background:
    repeating-linear-gradient(0deg, var(--grid-line) 0, var(--grid-line) 1px, transparent 1px, transparent 40px),
    repeating-linear-gradient(90deg, var(--grid-line) 0, var(--grid-line) 1px, transparent 1px, transparent 40px),
    var(--bg);
  color: var(--ink);
  font-family: 'Manrope', system-ui, sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; }

img { max-width: 100%; display: block; }

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

.eyebrow {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--blue-bright);
  display: flex;
  align-items: center;
  gap: 10px;
}

.eyebrow::before {
  content: '';
  width: 18px;
  height: 1px;
  background: var(--blue-bright);
  display: inline-block;
}

h1, h2, h3 {
  font-family: 'Unbounded', sans-serif;
  line-height: 1.15;
  margin: 0;
  color: var(--ink);
}

/* ---------- crosshair mark ---------- */
.crosshair {
  width: 14px;
  height: 14px;
  position: relative;
  flex: none;
}
.crosshair::before,
.crosshair::after {
  content: '';
  position: absolute;
  background: var(--blue);
}
.crosshair::before { width: 100%; height: 1px; top: 50%; left: 0; }
.crosshair::after { height: 100%; width: 1px; left: 50%; top: 0; }

/* ---------- header / nav ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  border-bottom: 1px solid var(--line);
  /* No backdrop-filter/transform directly on this element on purpose:
     either one turns it into a containing block for position:fixed
     descendants (the mobile nav below), which silently breaks its
     fixed positioning. The blurred background lives on ::before
     instead so .primary-nav stays fixed to the viewport as intended. */
}
.site-header::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: -1;
  background: rgba(11, 23, 41, 0.86);
  backdrop-filter: blur(10px);
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-family: 'JetBrains Mono', monospace;
  font-weight: 600;
  letter-spacing: 0.1em;
  font-size: 15px;
  color: var(--ink);
}

.brand .crosshair::before,
.brand .crosshair::after { background: var(--hazard); }

nav.primary-nav {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-link {
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  letter-spacing: 0.04em;
  text-decoration: none;
  color: var(--ink-dim);
  padding: 8px 14px;
  border-radius: var(--radius);
  transition: color 0.15s ease, background 0.15s ease;
  white-space: nowrap;
}
.nav-link:hover { color: var(--ink); background: var(--bg-elevated); }
.nav-link.is-current { color: var(--blue-bright); }

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--line);
  color: var(--ink);
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}
.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after {
  content: '';
  display: block;
  width: 18px;
  height: 1px;
  background: var(--ink);
  position: relative;
  transition: transform 0.28s cubic-bezier(.4,0,.2,1), opacity 0.2s ease, background 0.2s ease;
}
.nav-toggle span::before { position: absolute; top: -6px; }
.nav-toggle span::after { position: absolute; top: 6px; }

/* hamburger -> X, driven purely by the nav's own open state */
.site-header:has(nav.primary-nav.is-open) .nav-toggle {
  border-color: var(--hazard);
}
.site-header:has(nav.primary-nav.is-open) .nav-toggle span {
  background: transparent;
}
.site-header:has(nav.primary-nav.is-open) .nav-toggle span::before {
  top: 0;
  background: var(--hazard);
  transform: rotate(45deg);
}
.site-header:has(nav.primary-nav.is-open) .nav-toggle span::after {
  top: 0;
  background: var(--hazard);
  transform: rotate(-45deg);
}

@media (max-width: 720px) {
  nav.primary-nav {
    position: fixed;
    inset: 68px 0 0 0;
    background: var(--bg);
    flex-direction: column;
    align-items: stretch;
    padding: 16px;
    gap: 4px;
    visibility: hidden;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.22s ease, visibility 0s linear 0.22s;
    border-top: 1px solid var(--line);
  }
  nav.primary-nav.is-open {
    visibility: visible;
    opacity: 1;
    pointer-events: auto;
    transition: opacity 0.22s ease;
  }
  .nav-link {
    padding: 14px 10px;
    border-bottom: 1px dashed var(--line);
    font-size: 15px;
    opacity: 0;
    transform: translateY(-10px);
  }
  /* staggered slide-in for each link, only while the menu is open */
  nav.primary-nav.is-open .nav-link {
    animation: nav-link-in 0.42s cubic-bezier(.2,.8,.2,1) forwards;
  }
  nav.primary-nav.is-open .nav-link:nth-child(1) { animation-delay: 0.05s; }
  nav.primary-nav.is-open .nav-link:nth-child(2) { animation-delay: 0.1s; }
  nav.primary-nav.is-open .nav-link:nth-child(3) { animation-delay: 0.15s; }
  nav.primary-nav.is-open .nav-link:nth-child(4) { animation-delay: 0.2s; }
  nav.primary-nav.is-open .nav-link:nth-child(5) { animation-delay: 0.25s; }
  .nav-toggle { display: flex; }
}

@keyframes nav-link-in {
  from { opacity: 0; transform: translateY(-10px); }
  to { opacity: 1; transform: translateY(0); }
}

@media (prefers-reduced-motion: reduce) {
  nav.primary-nav.is-open .nav-link { animation: none; opacity: 1; transform: none; }
}

/* ---------- buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-decoration: none;
  padding: 13px 22px;
  border: 1px solid var(--blue);
  color: var(--blue-bright);
  background: transparent;
  border-radius: var(--radius);
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}
.btn:hover { background: var(--blue); color: #06111f; }

.btn-solid {
  background: var(--hazard);
  border-color: var(--hazard);
  color: #1a0d05;
  font-weight: 600;
}
.btn-solid:hover { background: #ff8f5c; border-color: #ff8f5c; color: #1a0d05; }

.btn-row { display: flex; gap: 14px; flex-wrap: wrap; }

/* ---------- corner-bracket frame (signature element) ---------- */
.frame {
  position: relative;
  padding: 22px;
  border: 1px solid var(--line);
  background: var(--bg-elevated);
}
.frame::before,
.frame::after,
.frame .corner-tl,
.frame .corner-br {
  content: '';
  position: absolute;
  width: 16px;
  height: 16px;
  border: 2px solid var(--blue);
}
.frame::before { top: -1px; left: -1px; border-right: none; border-bottom: none; }
.frame::after { bottom: -1px; right: -1px; border-left: none; border-top: none; }

.frame-photo {
  padding: 10px;
  background: var(--paper);
}
.frame-photo::before,
.frame-photo::after { border-color: var(--paper-ink); opacity: 0.55; }
.frame-photo img { width: 100%; height: auto; }
.frame-photo figcaption {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--paper-ink);
  opacity: 0.75;
  padding-top: 8px;
  text-align: center;
}

/* ---------- status stamp ---------- */
.stamp {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 7px 14px;
  border: 1px dashed currentColor;
  border-radius: 999px;
  transform: rotate(-2deg);
}
.stamp.status-idea { color: var(--blue-bright); }
.stamp.status-done { color: var(--hazard); }
.stamp::before { content: ''; width: 6px; height: 6px; border-radius: 999px; background: currentColor; }

/* ---------- hero ---------- */
.hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}

.hero-media {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero-media video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.32;
}
.hero-media::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(11,23,41,0.55) 0%, rgba(11,23,41,0.92) 78%, var(--bg) 100%);
}

.hero-content {
  position: relative;
  z-index: 1;
  padding: 96px 0 84px;
}

.hero h1 {
  font-size: clamp(38px, 7vw, 76px);
  text-transform: uppercase;
  margin: 18px 0 20px;
  max-width: 14ch;
}
.hero h1 .accent { color: var(--hazard); }

.hero p.lead {
  font-size: 17px;
  color: var(--ink-dim);
  max-width: 46ch;
  margin: 0 0 34px;
}

/* ---------- marquee ---------- */
.marquee {
  border-top: 1px dashed var(--line);
  border-bottom: 1px dashed var(--line);
  overflow: hidden;
  white-space: nowrap;
  padding: 22px 0;
}
.marquee-track {
  display: inline-block;
  font-family: 'Unbounded', sans-serif;
  font-weight: 700;
  font-size: clamp(22px, 4vw, 40px);
  letter-spacing: 0.02em;
  color: var(--ink);
  opacity: 0.9;
  animation: marquee 22s linear infinite;
}
.marquee-track span {
  color: var(--hazard);
  margin: 0 28px;
}
@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* ---------- section ---------- */
.section { padding: 72px 0; }
.section-head { margin-bottom: 40px; max-width: 60ch; }
.section-head h2 {
  font-size: clamp(26px, 4vw, 38px);
  margin-top: 12px;
}

/* ---------- video embed frame ---------- */
.video-frame {
  position: relative;
  padding-top: 56.25%;
  border: 1px solid var(--line);
  background: #000;
}
.video-frame iframe,
.video-frame video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

/* ---------- project grid ---------- */
.project-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 22px;
}
@media (max-width: 640px) {
  .project-grid { grid-template-columns: 1fr; }
}

.project-card {
  text-decoration: none;
  color: inherit;
  display: block;
  padding: 26px;
  transition: transform 0.18s ease, border-color 0.18s ease;
}
.project-card:hover { transform: translateY(-4px); border-color: var(--blue); }
.project-card:hover::before,
.project-card:hover::after { border-color: var(--hazard); }

.project-card .index {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  color: var(--ink-faint);
  letter-spacing: 0.08em;
}
.project-card h3 {
  font-size: 22px;
  margin: 14px 0 10px;
}
.project-card p {
  color: var(--ink-dim);
  font-size: 14.5px;
  margin: 0 0 16px;
}

.project-card.is-placeholder {
  border-style: dashed;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 180px;
  text-align: center;
  color: var(--ink-faint);
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  letter-spacing: 0.04em;
}

/* ---------- detail page ---------- */
.detail-head {
  padding: 56px 0 40px;
  border-bottom: 1px solid var(--line);
}
.detail-head h1 {
  font-size: clamp(30px, 5vw, 48px);
  margin: 16px 0 18px;
}
.detail-meta {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  align-items: center;
  margin-top: 20px;
}

.prose {
  max-width: 68ch;
  color: var(--ink-dim);
  font-size: 16px;
}
.prose p { margin: 0 0 16px; }

.photo-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-top: 20px;
}
@media (max-width: 640px) {
  .photo-grid { grid-template-columns: 1fr; }
}

/* ---------- 404 / gallery joke page ---------- */
.void {
  min-height: 60vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 60px 24px;
}
.void-inner { max-width: 42ch; }
.void .stamp { margin-bottom: 24px; transform: rotate(-4deg); font-size: 13px; }
.void h1 {
  font-size: clamp(30px, 6vw, 52px);
  text-transform: uppercase;
}
.void p.lead { color: var(--ink-dim); margin: 18px 0 30px; }

/* ---------- faq ---------- */
.faq-list {
  max-width: 76ch;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.faq-item {
  position: relative;
  border: 1px solid var(--line);
  background: var(--bg-elevated);
  padding: 4px 22px;
}
.faq-item::before,
.faq-item::after {
  content: '';
  position: absolute;
  width: 16px;
  height: 16px;
  border: 2px solid var(--blue);
}
.faq-item::before { top: -1px; left: -1px; border-right: none; border-bottom: none; }
.faq-item::after { bottom: -1px; right: -1px; border-left: none; border-top: none; }
.faq-item[open] {
  border-color: var(--blue);
}
.faq-item[open]::before,
.faq-item[open]::after {
  border-color: var(--hazard);
}

.faq-item summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 20px 0;
  font-family: 'Unbounded', sans-serif;
  font-size: 17px;
  color: var(--ink);
  user-select: none;
}
.faq-item summary::-webkit-details-marker { display: none; }

.faq-item summary .faq-index {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  color: var(--ink-faint);
  letter-spacing: 0.08em;
  margin-right: 14px;
  flex: none;
}

.faq-item summary .faq-q {
  flex: 1;
}

.faq-item summary .faq-toggle {
  flex: none;
  width: 20px;
  height: 20px;
  position: relative;
}
.faq-item summary .faq-toggle::before,
.faq-item summary .faq-toggle::after {
  content: '';
  position: absolute;
  background: var(--blue-bright);
  transition: transform 0.15s ease;
}
.faq-item summary .faq-toggle::before { width: 100%; height: 1px; top: 50%; left: 0; transform: translateY(-50%); }
.faq-item summary .faq-toggle::after { height: 100%; width: 1px; left: 50%; top: 0; transform: translateX(-50%); }
.faq-item[open] summary .faq-toggle::after { transform: translateX(-50%) rotate(90deg) scaleY(0); }
.faq-item[open] summary .faq-toggle::before { background: var(--hazard); }
.faq-item[open] summary .faq-toggle::after { background: var(--hazard); }

.faq-item .faq-a {
  color: var(--ink-dim);
  font-size: 15px;
  max-width: 60ch;
  padding: 0 0 24px;
  border-top: 1px dashed var(--line);
  padding-top: 18px;
  margin-top: -2px;
}
.faq-item .faq-a p { margin: 0 0 12px; }
.faq-item .faq-a p:last-child { margin-bottom: 0; }
.faq-item .faq-a a { color: var(--blue-bright); text-decoration: underline dashed; text-underline-offset: 3px; }

.faq-cta {
  margin-top: 48px;
  padding: 26px;
  border: 1px dashed var(--line);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}
.faq-cta p {
  margin: 0;
  color: var(--ink-dim);
  font-size: 14.5px;
  max-width: 42ch;
}

/* ---------- footer ---------- */
.site-footer {
  border-top: 1px solid var(--line);
  padding: 36px 0;
  margin-top: 40px;
}
.site-footer .wrap {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}
.site-footer p {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  color: var(--ink-faint);
  letter-spacing: 0.02em;
  margin: 0;
}
.footer-links { display: flex; gap: 18px; }
.footer-links a {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  text-decoration: none;
  color: var(--ink-dim);
}
.footer-links a:hover { color: var(--blue-bright); }