/* ============ Nihil — Web Security Researcher ============ */
:root {
  --bg: #150a0e;
  --bg-soft: #1d0e13;
  --bg-card: #23121a;
  --line: #3a1c27;
  --text: #ecd9df;
  --text-dim: #a07d88;
  --accent: #e23b58;
  --accent-2: #ff7a93;
  --gold: #e8b659;
  --silver: #d2c2c8;
  --fire: #ff5e62;
  --radius: 12px;
  --maxw: 1040px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
}

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-2); }

/* фон-матрица */
#matrix {
  position: fixed; inset: 0;
  z-index: 0;
  opacity: 0.10;
  pointer-events: none;
}

/* ───── навигация ───── */
.nav {
  position: sticky; top: 0; z-index: 50;
  display: flex; align-items: center; gap: 20px;
  padding: 14px clamp(16px, 4vw, 48px);
  background: rgba(21, 10, 14, 0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.logo { color: var(--accent); font-weight: 800; letter-spacing: 1px; }
.nav-links { display: flex; gap: 22px; margin-left: auto; flex-wrap: wrap; }
.nav-links a { color: var(--text-dim); font-size: 0.86rem; }
.nav-links a:hover { color: var(--accent); }
.lang-toggle {
  background: transparent; border: 1px solid var(--line);
  color: var(--text-dim); font-family: inherit; font-weight: 700;
  padding: 6px 12px; border-radius: 8px; cursor: pointer; font-size: 0.82rem;
  transition: border-color .2s;
}
.lang-toggle:hover { border-color: var(--accent); }
.lang-toggle .sep { margin: 0 5px; color: var(--line); }
.lang-toggle .lang-ru { color: var(--accent); }
.lang-toggle.en .lang-ru { color: var(--text-dim); }
.lang-toggle.en .lang-en { color: var(--accent); }

/* бургер (только мобильный) */
.burger {
  display: none; flex-direction: column; justify-content: center; gap: 5px;
  width: 40px; height: 40px; padding: 9px;
  background: transparent; border: 1px solid var(--line); border-radius: 8px; cursor: pointer;
}
.burger span { display: block; width: 100%; height: 2px; background: var(--accent); transition: transform .25s, opacity .2s; }
.burger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger.open span:nth-child(2) { opacity: 0; }
.burger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ───── hero ───── */
.hero {
  position: relative; z-index: 1;
  min-height: 86vh; display: flex; align-items: center;
  padding: 40px clamp(16px, 4vw, 48px);
  max-width: var(--maxw); margin: 0 auto;
}
.hero-tag { color: var(--accent); letter-spacing: 1.5px; margin-bottom: 14px; opacity: .9; }
.hero-name {
  font-size: clamp(3rem, 12vw, 8rem); font-weight: 800;
  letter-spacing: 4px; line-height: 1;
}
.hero-role {
  font-size: clamp(1.1rem, 3.4vw, 1.9rem); font-weight: 500;
  margin: 18px 0 16px; color: var(--text);
}
.hero-role .prompt { color: var(--accent); margin-right: 8px; }
.caret { color: var(--accent); animation: blink 1s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }
.hero-sub { color: var(--text-dim); max-width: 620px; margin-bottom: 30px; }

.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; }
.btn {
  display: inline-block; padding: 11px 22px; border-radius: 8px;
  border: 1px solid var(--line); color: var(--text);
  font-weight: 500; font-family: inherit; cursor: pointer;
  transition: all .2s; background: var(--bg-soft);
}
.btn:hover { border-color: var(--accent); color: var(--accent); transform: translateY(-2px); }
.btn-primary {
  background: var(--accent); color: #1a0509; border-color: var(--accent);
  font-weight: 700;
}
.btn-primary:hover { background: var(--accent-2); border-color: var(--accent-2); color: #1a0509; box-shadow: 0 6px 24px rgba(226,59,88,.30); }

/* glitch */
.glitch { position: relative; color: var(--text); }
.glitch::before, .glitch::after {
  content: attr(data-text); position: absolute; left: 0; top: 0;
  width: 100%; overflow: hidden;
}
.glitch::before { color: var(--accent-2); animation: glitch 3.2s infinite; clip-path: inset(0 0 55% 0); }
.glitch::after  { color: var(--fire);     animation: glitch 2.6s infinite reverse; clip-path: inset(55% 0 0 0); }
@keyframes glitch {
  0%, 92%, 100% { transform: translate(0); opacity: 0; }
  93% { transform: translate(-3px, 1px); opacity: .8; }
  96% { transform: translate(3px, -1px); opacity: .8; }
}

/* ───── секции ───── */
.section {
  position: relative; z-index: 1;
  max-width: var(--maxw); margin: 0 auto;
  padding: 70px clamp(16px, 4vw, 48px);
}
.section-title {
  font-size: clamp(1.4rem, 4vw, 2.1rem); font-weight: 800;
  color: var(--accent); margin-bottom: 34px; letter-spacing: 1px;
}

/* ───── цифры ───── */
.stat-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.stat-wide { grid-column: 1 / -1; }
.stat-wide .stat-num { font-size: clamp(2.4rem, 8vw, 4rem); white-space: nowrap; }
.stat-card {
  background: var(--bg-card); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 28px 22px; text-align: center;
  transition: border-color .2s, transform .2s;
}
.stat-card:hover { border-color: var(--accent); transform: translateY(-4px); }
.stat-num {
  font-size: clamp(1.8rem, 5vw, 2.8rem); font-weight: 800;
  color: var(--accent); line-height: 1;
}
.stat-num .hash { color: var(--text-dim); }
.stat-label { color: var(--text-dim); font-size: 0.82rem; margin-top: 12px; }
.stats-foot { color: var(--text-dim); font-size: 0.85rem; margin-top: 26px; text-align: center; }

/* ───── карточки навыков ───── */
.card-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 18px;
}
.card {
  background: var(--bg-card); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 26px; transition: border-color .2s, transform .2s;
}
.card:hover { border-color: var(--accent); transform: translateY(-4px); }
.card h3 { font-size: 1.05rem; margin-bottom: 12px; color: var(--text); }
.card p { color: var(--text-dim); font-size: 0.9rem; }
.card-img {
  display: block; width: 100%; aspect-ratio: 4 / 3; object-fit: cover;
  border-radius: 8px; border: 1px solid var(--line); margin-bottom: 16px;
  cursor: pointer; transition: border-color .2s, filter .2s;
}
.card-img:hover { border-color: var(--accent); filter: brightness(1.08); }

.about-text {
  max-width: 760px; color: var(--text); font-size: 1.02rem; line-height: 1.8;
}

/* ───── достижения ───── */
.ach-block {
  background: var(--bg-card); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 26px 28px; margin-bottom: 20px;
}
.ach-head { font-size: 1.15rem; margin-bottom: 18px; color: var(--text); }
.ach-handle { color: var(--text-dim); font-weight: 400; font-size: 0.85rem; }
.ach-list { list-style: none; display: flex; flex-direction: column; gap: 12px; }
.ach-list li { display: flex; align-items: center; gap: 14px; color: var(--text-dim); font-size: 0.92rem; }
.ach-note { color: var(--text-dim); font-size: 0.85rem; margin-top: 16px; font-style: italic; }
.badge {
  flex-shrink: 0; min-width: 54px; text-align: center;
  background: var(--bg-soft); border: 1px solid var(--line);
  color: var(--text); font-weight: 700; font-size: 0.8rem;
  padding: 5px 10px; border-radius: 6px;
}
.badge.gold   { color: var(--gold);   border-color: var(--gold); }
.badge.silver { color: var(--silver); border-color: var(--silver); }
.badge.fire   { color: var(--fire);   border-color: var(--fire); }

/* ───── дипломы ───── */
.dip-hint { color: var(--text-dim); margin-bottom: 26px; font-size: 0.9rem; }
.dip-more { color: var(--text-dim); text-align: center; font-style: italic; margin-top: 26px; opacity: .8; }
.gallery {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 16px;
}
.gallery-item {
  position: relative; aspect-ratio: 4 / 3; overflow: hidden;
  border: 1px solid var(--line); border-radius: var(--radius);
  cursor: pointer; background: var(--bg-card); transition: border-color .2s, transform .2s;
}
.gallery-item:hover { border-color: var(--accent); transform: translateY(-3px); }
.gallery-item img { width: 100%; height: 100%; object-fit: cover; display: block; }
.gallery-item .cap {
  position: absolute; bottom: 0; left: 0; right: 0;
  background: linear-gradient(transparent, rgba(10,14,20,.92));
  color: var(--text); font-size: 0.78rem; padding: 22px 12px 10px;
}
.gallery-placeholder {
  display: flex; align-items: center; justify-content: center; flex-direction: column;
  gap: 8px; height: 100%; color: var(--text-dim); font-size: 0.82rem; text-align: center; padding: 16px;
  border: 1px dashed var(--line); border-radius: var(--radius);
}

/* лайтбокс */
.lightbox {
  position: fixed; inset: 0; z-index: 100;
  background: rgba(5, 8, 12, .94); display: none;
  align-items: center; justify-content: center; padding: 30px;
}
.lightbox.open { display: flex; }
.lightbox img { max-width: 92vw; max-height: 88vh; border: 1px solid var(--accent); border-radius: 8px; }
.lightbox-close {
  position: absolute; top: 20px; right: 30px; font-size: 2.4rem;
  color: var(--text); cursor: pointer; line-height: 1;
}
.lightbox-close:hover { color: var(--accent); }

/* ───── контакты / футер ───── */
.contact { text-align: center; }
.contact-sub { color: var(--text-dim); margin-bottom: 28px; }
.contact-links { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

@media (max-width: 640px) {
  .burger { display: flex; }
  .nav-links {
    display: none;
    position: absolute; top: 100%; left: 0; right: 0;
    flex-direction: column; gap: 0;
    background: rgba(21, 10, 14, 0.98);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--line);
    padding: 6px 0;
  }
  .nav-links.open { display: flex; }
  .nav-links a {
    padding: 13px clamp(16px, 4vw, 48px); font-size: 0.95rem;
    border-top: 1px solid var(--line);
  }
  .nav-links a:first-child { border-top: none; }
  .ach-list li { font-size: 0.85rem; }
  .stat-grid { grid-template-columns: 1fr; }
}

/* уважение к prefers-reduced-motion */
@media (prefers-reduced-motion: reduce) {
  .glitch::before, .glitch::after, .caret { animation: none; }
  html { scroll-behavior: auto; }
}

/* ───── печать / PDF ───── */
@page { margin: 14mm; }
@media print {
  * { -webkit-print-color-adjust: exact; print-color-adjust: exact; }
  #matrix, .nav, .lang-toggle, #lightbox, .hero-cta, .dip-more,
  .footer-dim, .caret { display: none !important; }
  .glitch::before, .glitch::after { display: none !important; }
  body { background: #fff; color: #16181c; }
  .hero { min-height: auto; padding: 10px 0 6px; max-width: 100%; }
  .hero-tag { color: #b01e3f; }
  .hero-name { color: #16181c; font-size: 3rem; letter-spacing: 2px; }
  .hero-role { font-size: 1.15rem; color: #16181c; }
  .hero-role .prompt { color: #b01e3f; }
  .hero-sub { color: #444; }
  .section { padding: 14px 0; max-width: 100%; }
  .section-title { color: #b01e3f; margin-bottom: 14px; font-size: 1.25rem; }
  .card, .ach-block, .stat-card {
    background: #fff; border: 1px solid #d6d6d6; transform: none !important;
  }
  .card h3, .ach-head, .stat-num { color: #16181c; }
  .stat-num { color: #b01e3f; }
  .card p, .stat-label, .ach-list li, .about-text, .dip-hint { color: #333; }
  .ach-handle { color: #777; }
  .card-img { max-height: 170px; }
  a { color: #b01e3f; }
  .footer { border-color: #d6d6d6; color: #666; }
  .card, .ach-block, .gallery-item, .stat-card, .section-title { page-break-inside: avoid; }
}