/*
* style.css — Control Room Editorial
* Редизайн портфолио: инженерная схема + редакционная типографика.
* Palette: Graphite/Rack/Sheet + Signal Cyan / Route Orange
* Type: Bricolage Grotesque (display) + Manrope (body) + JetBrains Mono (utility)
*/

/* ================================================================
0. RESET & BASE
================================================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 72px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  hanging-punctuation: first last;
}

body {
  min-height: 100dvh;
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.65;
  color: var(--color-text);
  background-color: var(--color-bg);
  overflow-x: hidden;
}

img, picture, video, canvas, svg { display: block; max-width: 100%; height: auto; }
ul[role="list"], ol[role="list"] { list-style: none; }
input, button, textarea, select { font: inherit; color: inherit; }
h1, h2, h3, h4, h5, h6 { text-wrap: balance; line-height: 1.15; font-family: var(--font-display); }
p, li { text-wrap: pretty; }
button { cursor: pointer; background: none; border: none; }

::selection { background: rgba(118, 227, 214, 0.25); color: var(--color-text); }
:focus-visible { outline: 2px solid var(--color-cyan); outline-offset: 3px; border-radius: 3px; }

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

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0;
  margin: -1px; overflow: hidden; clip: rect(0,0,0,0);
  white-space: nowrap; border-width: 0;
}

/* ================================================================
1. ДИЗАЙН-ТОКЕНЫ
================================================================ */
:root, [data-theme="dark"] {
  /* Шрифты */
  --font-display: 'Manrope', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-body: 'Manrope', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Cascadia Mono', 'Courier New', monospace;

  /* Поверхности — Graphite / Rack */
  --color-bg: #14161A;
  --color-surface: #191B20;
  --color-surface-2: #1C2128;
  --color-surface-3: #232830;
  --color-border: rgba(233, 229, 220, 0.09);
  --color-border-hover: rgba(118, 227, 214, 0.35);

  /* Текст — Sheet */
  --color-text: #E9E5DC;
  --color-text-muted: #A7ABB3;
  --color-text-faint: #626870;
  --color-text-inverse: #14161A;

  /* Акценты — Signal Cyan / Route Orange */
  --color-cyan: #76E3D6;
  --color-cyan-hover: #94ecdf;
  --color-cyan-dim: rgba(118, 227, 214, 0.1);

  --color-orange: #C96A2B;
  --color-orange-hover: #de7c39;
  --color-orange-dim: rgba(201, 106, 43, 0.12);

  /* Совместимость со старыми именами (используются как accent) */
  --color-accent: var(--color-cyan);
  --color-accent-hover: var(--color-cyan-hover);
  --color-accent-dim: var(--color-cyan-dim);
  --color-accent-glow: rgba(118, 227, 214, 0.07);

  /* Статусы */
  --color-status-green: #6FCF97;
  --color-status-yellow: #E0B84B;
  --color-status-blue: #6FA8E0;
  --color-status-red: #E0716F;

  /* Шкала размеров текста */
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.75vw, 1.5rem);
  --text-xl: clamp(1.5rem, 1.2rem + 1.25vw, 2.25rem);
  --text-2xl: clamp(2rem, 1.2rem + 2.5vw, 3.5rem);
  --text-3xl: clamp(2.5rem, 1rem + 4vw, 4.5rem);

  /* Отступы (4px система) */
  --space-1: 0.25rem; --space-2: 0.5rem; --space-3: 0.75rem;
  --space-4: 1rem; --space-5: 1.25rem; --space-6: 1.5rem;
  --space-8: 2rem; --space-10: 2.5rem; --space-12: 3rem;
  --space-16: 4rem; --space-20: 5rem; --space-24: 6rem;

  /* Радиусы */
  --radius-sm: 4px; --radius-md: 8px; --radius-lg: 12px; --radius-xl: 16px; --radius-full: 9999px;

  /* Переходы */
  --transition: 200ms cubic-bezier(0.16, 1, 0.3, 1);

  /* Тени (тон в графит) */
  --shadow-sm: 0 1px 3px rgba(10, 11, 13, 0.4);
  --shadow-md: 0 4px 16px rgba(10, 11, 13, 0.5);
  --shadow-lg: 0 12px 40px rgba(10, 11, 13, 0.6);

  --content-default: 1120px;
}

[data-theme="light"] {
  --color-bg: #F1EEE7;
  --color-surface: #E9E5DC;
  --color-surface-2: #E2DDD2;
  --color-surface-3: #D9D3C6;
  --color-border: rgba(20, 22, 26, 0.1);
  --color-border-hover: rgba(15, 133, 120, 0.35);

  --color-text: #1B1D21;
  --color-text-muted: #55585F;
  --color-text-faint: #85888E;
  --color-text-inverse: #F1EEE7;

  --color-cyan: #0F8578;
  --color-cyan-hover: #0C6D62;
  --color-cyan-dim: rgba(15, 133, 120, 0.1);

  --color-orange: #A8511E;
  --color-orange-hover: #8E4218;
  --color-orange-dim: rgba(168, 81, 30, 0.1);

  --color-accent: var(--color-cyan);
  --color-accent-hover: var(--color-cyan-hover);
  --color-accent-dim: var(--color-cyan-dim);
  --color-accent-glow: rgba(15, 133, 120, 0.06);

  --shadow-sm: 0 1px 2px rgba(20, 22, 26, 0.06);
  --shadow-md: 0 4px 14px rgba(20, 22, 26, 0.08);
  --shadow-lg: 0 12px 32px rgba(20, 22, 26, 0.12);
}

/* ================================================================
2. ВСПОМОГАТЕЛЬНЫЕ КЛАССЫ
================================================================ */
.container {
  max-width: var(--content-default);
  margin-inline: auto;
  padding-inline: clamp(var(--space-4), 4vw, var(--space-12));
}

.skip-link {
  position: absolute; top: -100%; left: var(--space-4);
  padding: var(--space-2) var(--space-4);
  background: var(--color-cyan); color: var(--color-text-inverse);
  font-weight: 600; font-size: var(--text-sm);
  border-radius: var(--radius-md); z-index: 1000;
  transition: top var(--transition);
}
.skip-link:focus { top: var(--space-4); }

.reveal { opacity: 0; transform: translateY(16px); transition: opacity 0.6s cubic-bezier(0.16,1,0.3,1), transform 0.6s cubic-bezier(0.16,1,0.3,1); }
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ================================================================
3. КНОПКИ
================================================================ */
.btn {
  display: inline-flex; align-items: center; gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  font-size: var(--text-sm); font-weight: 600; font-family: var(--font-body);
  text-decoration: none; border-radius: var(--radius-md);
  border: 1px solid transparent;
  transition: background var(--transition), border-color var(--transition), color var(--transition), transform var(--transition);
  cursor: pointer; white-space: nowrap;
}
.btn-primary { background: var(--color-cyan); color: var(--color-text-inverse); border-color: var(--color-cyan); }
.btn-primary:hover { background: var(--color-cyan-hover); border-color: var(--color-cyan-hover); transform: translateY(-1px); }
.btn-primary:active { transform: translateY(0); }
.btn-ghost { background: transparent; color: var(--color-text-muted); border-color: var(--color-border); }
.btn-ghost:hover { color: var(--color-text); border-color: var(--color-border-hover); background: var(--color-accent-dim); }
.btn-full { width: 100%; justify-content: center; }

/* ================================================================
4. ХЕДЕР
================================================================ */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: color-mix(in oklab, var(--color-bg) 88%, transparent);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.site-header.scrolled { border-bottom-color: var(--color-border); box-shadow: var(--shadow-sm); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 68px; }

.logo { display: flex; align-items: center; gap: var(--space-3); text-decoration: none; color: var(--color-text); }
.logo-mark { color: var(--color-cyan); flex-shrink: 0; }
.logo-node { animation: node-pulse 2.4s ease-in-out infinite; }
@keyframes node-pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.5; } }
.logo-text { font-family: var(--font-display); font-size: var(--text-sm); font-weight: 600; letter-spacing: -0.01em; }
.logo-accent { color: var(--color-cyan); }

.main-nav ul { display: flex; align-items: center; gap: var(--space-1); }
.main-nav a { display: block; padding: var(--space-2) var(--space-3); font-size: var(--text-sm); color: var(--color-text-muted); text-decoration: none; border-radius: var(--radius-sm); transition: color var(--transition), background var(--transition); }
.main-nav a:hover { color: var(--color-text); background: var(--color-accent-dim); }
.nav-cta { margin-left: var(--space-2); padding: var(--space-2) var(--space-4) !important; color: var(--color-cyan) !important; border: 1px solid var(--color-border); border-radius: var(--radius-md) !important; }
.nav-cta:hover { background: var(--color-accent-dim) !important; border-color: var(--color-border-hover) !important; }

.header-actions { display: flex; align-items: center; gap: var(--space-2); }
.theme-toggle { display: flex; align-items: center; justify-content: center; width: 36px; height: 36px; border-radius: var(--radius-sm); color: var(--color-text-muted); transition: color var(--transition), background var(--transition); }
.theme-toggle:hover { color: var(--color-text); background: var(--color-accent-dim); }

.burger { display: none; flex-direction: column; justify-content: center; gap: 5px; width: 36px; height: 36px; padding: var(--space-1); border-radius: var(--radius-sm); }
.burger span { display: block; width: 22px; height: 1.5px; background: var(--color-text-muted); transition: transform var(--transition), opacity var(--transition), background var(--transition); border-radius: 1px; }
.burger:hover span { background: var(--color-text); }
.burger.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.burger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.burger.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

.mobile-nav { border-top: 1px solid var(--color-border); background: var(--color-surface); padding: var(--space-4) var(--space-4) var(--space-6); }
.mobile-nav ul { display: flex; flex-direction: column; gap: var(--space-1); }
.mobile-nav-link { display: block; padding: var(--space-3) var(--space-4); color: var(--color-text-muted); text-decoration: none; font-size: var(--text-base); border-radius: var(--radius-md); transition: color var(--transition), background var(--transition); }
.mobile-nav-link:hover { color: var(--color-text); background: var(--color-accent-dim); }

@media (max-width: 860px) {
  .main-nav { display: none; }
  .burger { display: flex; }
}

/* ================================================================
5. HERO
================================================================ */
.hero { min-height: calc(100vh - 68px); display: flex; flex-direction: column; justify-content: center; position: relative; padding-block: clamp(var(--space-16), 10vh, var(--space-24)); overflow: hidden; }

.hero-inner { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: var(--space-16); align-items: center; position: relative; z-index: 1; }
.hero-content { max-width: 560px; }

.hero-label { display: inline-flex; align-items: center; gap: var(--space-2); font-size: var(--text-xs); font-family: var(--font-mono); color: var(--color-text-faint); letter-spacing: 0.06em; text-transform: uppercase; margin-bottom: var(--space-6); }
.hero-label-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--color-status-green); box-shadow: 0 0 8px var(--color-status-green); animation: pulse-dot 2s ease-in-out infinite; }
@keyframes pulse-dot { 0%, 100% { opacity: 1; } 50% { opacity: 0.4; } }

.hero-title-main { font-family: var(--font-display); font-size: clamp(2.35rem, 1.4rem + 3.6vw, 4.25rem); font-weight: 700; color: var(--color-text); letter-spacing: -0.045em; line-height: 1.02; margin-bottom: var(--space-6);  max-width: 11ch;}
.hero-subtitle { font-size: var(--text-lg); color: var(--color-text-muted); line-height: 1.6; max-width: 480px; margin-bottom: var(--space-8); font-family: var(--font-body); font-weight: 400; }

.hero-actions { display: flex; flex-wrap: wrap; gap: var(--space-3); margin-bottom: var(--space-8); }

.hero-brands { display: flex; align-items: center; flex-wrap: wrap; gap: var(--space-2); }
.hero-brands-label { font-size: var(--text-xs); color: var(--color-text-faint); font-family: var(--font-mono); text-transform: uppercase; letter-spacing: 0.06em; margin-right: var(--space-1); }
.brand-tag { display: inline-block; padding: 3px 10px; font-size: var(--text-xs); font-family: var(--font-mono); font-weight: 500; color: var(--color-text-muted); text-decoration: none; border: 1px solid var(--color-border); border-radius: var(--radius-sm); transition: color var(--transition), border-color var(--transition), background var(--transition); }
.brand-tag:hover { color: var(--color-cyan); border-color: var(--color-border-hover); background: var(--color-accent-dim); }

/* Capability Map — фирменный элемент */
.hero-visual { display: flex; justify-content: center; }
.capmap { position: relative; width: 100%; max-width: 460px; aspect-ratio: 100/60; background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); padding: var(--space-6); }
.capmap-tag { position: absolute; top: var(--space-4); left: var(--space-5); font-size: var(--text-xs); font-family: var(--font-mono); color: var(--color-text-faint); letter-spacing: 0.08em; text-transform: uppercase; }
.capmap-svg { width: 100%; height: 100%; overflow: visible; }
.capmap-line { stroke: var(--color-cyan); stroke-width: 0.3; opacity: 0.35; stroke-dasharray: 1.2 1.2; }
.capmap-node { fill: var(--color-cyan); }
.capmap-node:nth-of-type(3n) { fill: var(--color-orange); }
.capmap-label { position: absolute; transform: translate(-50%, 90%); font-size: var(--text-xs); font-family: var(--font-mono); color: var(--color-text-muted); white-space: nowrap; background: color-mix(in oklab, var(--color-surface) 85%, transparent); padding: 1px 6px; border-radius: var(--radius-sm); }

.hero-scroll-hint { position: absolute; bottom: var(--space-8); left: 50%; transform: translateX(-50%); font-size: var(--text-xs); color: var(--color-text-faint); font-family: var(--font-mono); letter-spacing: 0.06em; text-transform: uppercase; animation: fade-bob 3s ease-in-out infinite; }
@keyframes fade-bob { 0%, 100% { opacity: 0.5; transform: translateX(-50%) translateY(0); } 50% { opacity: 1; transform: translateX(-50%) translateY(4px); } }

@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; gap: var(--space-12); }
  .hero-visual { justify-content: flex-start; }
  .hero-title-main { font-size: var(--text-2xl); }
}

/* ================================================================
   Карта компетенций
================================================================ */

.capmap {
  position: relative;
  width: 100%;
  max-width: 590px;
  min-height: 410px;
  overflow: hidden;
  isolation: isolate;
  padding: var(--space-5);
  background:
    radial-gradient(circle at 50% 50%, rgba(118, 227, 214, 0.08), transparent 34%),
    var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
}

.capmap::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(90deg, transparent, rgba(118, 227, 214, 0.035), transparent);
  transform: translateX(-100%);
  animation: capmap-scan 8s ease-in-out infinite;
}

@keyframes capmap-scan {
  0%, 45% { transform: translateX(-100%); }
  65%, 100% { transform: translateX(100%); }
}

.capmap-topline {
  position: relative;
  z-index: 5;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.capmap-tag,
.capmap-status {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.capmap-tag {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-text-faint);
}

.capmap-status {
  color: var(--color-cyan);
}

.capmap-live-dot {
  width: 6px;
  height: 6px;
  border-radius: var(--radius-full);
  background: var(--color-status-green);
  box-shadow: 0 0 12px var(--color-status-green);
  animation: live-dot-pulse 1.8s ease-in-out infinite;
}

@keyframes live-dot-pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.45; transform: scale(0.7); }
}

.capmap-svg {
  position: absolute;
  z-index: 1;
  inset: 0;
  width: 100%;
  height: 100%;
}

.map-grid path {
  fill: none;
  stroke: var(--color-text);
  stroke-width: 0.45;
  opacity: 0.055;
}

.map-links path {
  fill: none;
  stroke: url(#mapLine);
  stroke-width: 1.35;
  stroke-linecap: round;
  stroke-dasharray: 3 3;
  animation: map-flow 12s linear infinite;
}

.map-links path:nth-child(2n) {
  animation-direction: reverse;
  animation-duration: 15s;
}

@keyframes map-flow {
  to { stroke-dashoffset: -120; }
}

.packet {
  filter: url(#mapGlow);
}

.packet-cyan {
  fill: var(--color-cyan);
}

.packet-orange {
  fill: var(--color-orange);
}

.map-node,
.map-core {
  position: absolute;
  z-index: 3;
  left: var(--x);
  top: var(--y);
  transform: translate(-50%, -50%);
  border: 0;
  text-align: left;
  color: var(--color-text);
}

.map-node {
  width: 122px;
  min-height: 60px;
  padding: 9px 10px 9px 17px;
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  background: color-mix(in oklab, var(--color-surface) 88%, transparent);
  backdrop-filter: blur(8px);
  transition:
    border-color var(--transition),
    background var(--transition),
    transform var(--transition),
    box-shadow var(--transition);
}

.map-node:hover,
.map-node:focus-visible,
.map-node.is-active {
  z-index: 6;
  border-color: var(--color-border-hover);
  background: color-mix(in oklab, var(--color-surface-3) 94%, transparent);
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.22);
  transform: translate(-50%, -50%) translateY(-4px);
}

.node-dot {
  position: absolute;
  top: 14px;
  left: 8px;
  width: 6px;
  height: 6px;
  border-radius: var(--radius-full);
  background: var(--color-cyan);
  box-shadow: 0 0 10px var(--color-cyan);
}

.map-node-network .node-dot,
.map-node-onec .node-dot {
  background: var(--color-orange);
  box-shadow: 0 0 10px var(--color-orange);
}

.node-orbit {
  position: absolute;
  top: 7px;
  left: 1px;
  width: 20px;
  height: 20px;
  border: 1px solid rgba(118, 227, 214, 0.25);
  border-radius: 50%;
  animation: node-orbit 4s linear infinite;
}

.map-node-network .node-orbit,
.map-node-onec .node-orbit {
  border-color: rgba(201, 106, 43, 0.25);
  animation-direction: reverse;
}

@keyframes node-orbit {
  to { transform: rotate(360deg) scale(1.18); }
}

.node-title,
.node-value {
  display: block;
  white-space: nowrap;
}

.node-title {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.76rem;
  line-height: 1.15;
}

.node-value {
  margin-top: 3px;
  color: var(--color-text-faint);
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: -0.02em;
}

.map-core {
  width: 104px;
  height: 104px;
  display: grid;
  place-items: center;
  border-radius: var(--radius-full);
  background: color-mix(in oklab, var(--color-surface-3) 90%, transparent);
  border: 1px solid rgba(118, 227, 214, 0.4);
  cursor: default;
}

.map-core-icon {
  position: relative;
  z-index: 2;
  display: grid;
  place-items: center;
  width: 45px;
  height: 45px;
  border-radius: var(--radius-full);
  background: var(--color-cyan);
  color: var(--color-text-inverse);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 700;
  box-shadow: 0 0 28px rgba(118, 227, 214, 0.35);
}

.map-core-name {
  position: absolute;
  bottom: -22px;
  left: 50%;
  transform: translateX(-50%);
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: 0.62rem;
  white-space: nowrap;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.map-core-pulse {
  position: absolute;
  inset: 5px;
  border: 1px solid rgba(118, 227, 214, 0.38);
  border-radius: 50%;
  animation: core-pulse 3.2s ease-out infinite;
}

.pulse-two {
  animation-delay: 1.6s;
}

@keyframes core-pulse {
  0% { opacity: 0.8; transform: scale(0.72); }
  100% { opacity: 0; transform: scale(1.45); }
}

.capmap-tooltip {
  position: absolute;
  z-index: 7;
  left: var(--space-5);
  bottom: var(--space-4);
  max-width: 280px;
  color: var(--color-text-faint);
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.02em;
  pointer-events: none;
}

@media (max-width: 560px) {
  .capmap {
    min-height: 370px;
    max-width: 100%;
  }

  .map-node {
    width: 104px;
    min-height: 52px;
    padding: 7px 7px 7px 15px;
  }

  .node-title { font-size: 0.68rem; }
  .node-value { font-size: 0.54rem; }
  .map-core { width: 82px; height: 82px; }
  .map-core-icon { width: 38px; height: 38px; }
}

/* ================================================================
6. СЕКЦИИ (общие)
================================================================ */
.section { padding-block: clamp(var(--space-16), 8vw, var(--space-24)); }
.section--dark { background: var(--color-surface); border-top: 1px solid var(--color-border); border-bottom: 1px solid var(--color-border); }
.section-header { margin-bottom: clamp(var(--space-10), 4vw, var(--space-16)); }
.section-tag { display: block; font-size: var(--text-xs); font-family: var(--font-mono); color: var(--color-cyan); letter-spacing: 0.1em; text-transform: uppercase; margin-bottom: var(--space-3); }
.section-title { font-size: var(--text-2xl); font-weight: 700; color: var(--color-text); letter-spacing: -0.02em; max-width: 600px; margin-bottom: var(--space-3); }
.section-desc { font-size: var(--text-base); color: var(--color-text-muted); max-width: 60ch; }
.subsection-title { font-family: var(--font-body); font-weight: 700; font-size: var(--text-lg); color: var(--color-text); margin: var(--space-12) 0 var(--space-6); }

/* ================================================================
7. ABOUT / METHOD
================================================================ */
.about-grid { display: grid; grid-template-columns: 1.3fr 1fr; gap: clamp(var(--space-10), 5vw, var(--space-20)); align-items: start; }
.about-lead { font-size: var(--text-lg); color: var(--color-text); line-height: 1.6; max-width: 60ch; }

.method-block { padding: var(--space-6); background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-lg); }
.method-list { display: flex; flex-direction: column; gap: var(--space-4); margin-top: var(--space-4); }
.method-item { display: flex; gap: var(--space-4); align-items: baseline; }
.method-index { font-family: var(--font-mono); font-size: var(--text-sm); color: var(--color-cyan); flex-shrink: 0; width: 1.5em; }
.method-text { font-size: var(--text-sm); color: var(--color-text-muted); line-height: 1.6; }

@media (max-width: 800px) { .about-grid { grid-template-columns: 1fr; } }

/* ================================================================
8. SKILLS — Матрица компетенций
================================================================ */
.matrix-grid { display: flex; flex-direction: column; border-top: 1px solid var(--color-border); }
.matrix-row { display: grid; grid-template-columns: 260px 1fr; gap: var(--space-6); padding-block: var(--space-6); border-bottom: 1px solid var(--color-border); align-items: baseline; }
.matrix-domain { display: flex; flex-direction: column; gap: var(--space-1); }
.matrix-domain-name { font-family: var(--font-display); font-weight: 700; font-size: var(--text-lg); color: var(--color-text); }
.matrix-domain-desc { font-size: var(--text-sm); color: var(--color-text-muted); }
.matrix-tools { display: flex; flex-wrap: wrap; gap: var(--space-2); align-content: center; }

@media (max-width: 700px) { .matrix-row { grid-template-columns: 1fr; gap: var(--space-3); } }

.stack-tag { padding: 3px 10px; font-size: var(--text-xs); font-family: var(--font-mono); color: var(--color-text-muted); background: var(--color-surface-2); border: 1px solid var(--color-border); border-radius: var(--radius-sm); transition: color var(--transition), border-color var(--transition); }

.skills-detail { margin-top: var(--space-12); }
.skills-detail summary { cursor: pointer; font-size: var(--text-sm); font-family: var(--font-mono); color: var(--color-text-faint); padding: var(--space-3) 0; }
.skills-detail summary:hover { color: var(--color-cyan); }
.skills-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(280px, 100%), 1fr)); gap: var(--space-4); margin-top: var(--space-6); }
.skill-card { padding: var(--space-5) var(--space-6); background: var(--color-surface-2); border: 1px solid var(--color-border); border-radius: var(--radius-lg); transition: border-color var(--transition), transform var(--transition); }
.skill-card:hover { border-color: var(--color-border-hover); transform: translateY(-2px); }
.skill-header { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: var(--space-3); }
.skill-name { font-size: var(--text-base); font-family: var(--font-body); font-weight: 700; color: var(--color-text); }
.skill-years { font-size: var(--text-xs); font-family: var(--font-mono); color: var(--color-cyan); white-space: nowrap; }
.skill-desc { font-size: var(--text-sm); color: var(--color-text-muted); line-height: 1.6; }

/* ================================================================
9. PROJECTS
================================================================ */
.featured-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(400px, 100%), 1fr)); gap: var(--space-6); margin-bottom: var(--space-4); }
.featured-card { padding: var(--space-8); background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-xl); display: flex; flex-direction: column; gap: var(--space-3); transition: border-color var(--transition); }
.featured-card:hover { border-color: var(--color-border-hover); }
.featured-top { display: flex; justify-content: space-between; align-items: flex-start; gap: var(--space-3); }
.featured-title { font-size: var(--text-xl); font-weight: 700; color: var(--color-text); letter-spacing: -0.01em; }
.featured-role { font-size: var(--text-xs); font-family: var(--font-mono); color: var(--color-orange); text-transform: uppercase; letter-spacing: 0.05em; }
.featured-desc { font-size: var(--text-sm); color: var(--color-text-muted); line-height: 1.7; }
.featured-result { font-size: var(--text-sm); color: var(--color-text-muted); line-height: 1.6; }
.featured-result strong { color: var(--color-text); }

.project-status { display: inline-block; padding: 2px 8px; font-size: var(--text-xs); font-family: var(--font-mono); font-weight: 500; border-radius: var(--radius-sm); white-space: nowrap; flex-shrink: 0; }
.status--green { color: var(--color-status-green); background: color-mix(in oklab, var(--color-status-green) 15%, transparent); }
.status--yellow { color: var(--color-status-yellow); background: color-mix(in oklab, var(--color-status-yellow) 15%, transparent); }
.status--blue { color: var(--color-status-blue); background: color-mix(in oklab, var(--color-status-blue) 15%, transparent); }
.status--red { color: var(--color-status-red); background: color-mix(in oklab, var(--color-status-red) 15%, transparent); }

.projects-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(320px, 100%), 1fr)); gap: var(--space-5); }
.project-card { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-lg); overflow: hidden; transition: border-color var(--transition), transform var(--transition); }
.project-card:hover { border-color: var(--color-border-hover); transform: translateY(-2px); }
.project-card-inner { padding: var(--space-5); display: flex; flex-direction: column; height: 100%; gap: var(--space-3); }
.project-top { display: flex; justify-content: space-between; align-items: flex-start; gap: var(--space-3); }
.project-title { font-size: var(--text-base); font-weight: 700; color: var(--color-text); font-family: var(--font-body); flex: 1; }
.project-desc { font-size: var(--text-sm); color: var(--color-text-muted); line-height: 1.65; flex: 1; }
.project-stack { display: flex; flex-wrap: wrap; gap: var(--space-2); }
.project-link { display: inline-flex; align-items: center; gap: var(--space-2); font-size: var(--text-sm); font-weight: 600; color: var(--color-cyan); text-decoration: none; margin-top: auto; transition: color var(--transition); }
.project-link:hover { color: var(--color-cyan-hover); }
.project-link--disabled { color: var(--color-text-faint); font-size: var(--text-xs); font-family: var(--font-mono); }

/* ================================================================
10. EXPERIENCE
================================================================ */
.experience-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(260px, 100%), 1fr)); gap: var(--space-5); }
.exp-card { padding: var(--space-6); background: var(--color-surface-2); border: 1px solid var(--color-border); border-radius: var(--radius-lg); transition: border-color var(--transition), transform var(--transition); }
.exp-card:hover { border-color: var(--color-border-hover); transform: translateY(-2px); }
.exp-title { font-size: var(--text-base); font-weight: 700; color: var(--color-text); margin-bottom: var(--space-4); font-family: var(--font-body); letter-spacing: -0.005em; }
.exp-list { display: flex; flex-direction: column; gap: var(--space-2); }
.exp-list li { font-size: var(--text-sm); color: var(--color-text-muted); line-height: 1.5; padding-left: var(--space-4); position: relative; }
.exp-list li::before { content: ''; position: absolute; left: 0; top: 0.55em; width: 5px; height: 1px; background: var(--color-cyan); opacity: 0.6; }

/* ================================================================
11. CONTACT
================================================================ */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(var(--space-10), 5vw, var(--space-20)); align-items: start; }
.contact-intro { font-size: var(--text-base); color: var(--color-text-muted); line-height: 1.7; margin: var(--space-4) 0 var(--space-8); max-width: 45ch; }
.contact-item { display: flex; align-items: flex-start; gap: var(--space-4); padding: var(--space-4) var(--space-5); background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-lg); margin-bottom: var(--space-3); transition: border-color var(--transition); }
.contact-item:last-child { margin-bottom: 0; }
.contact-item:hover { border-color: var(--color-border-hover); }
.contact-icon { flex-shrink: 0; width: 40px; height: 40px; display: flex; align-items: center; justify-content: center; color: var(--color-cyan); background: var(--color-accent-dim); border-radius: var(--radius-md); font-family: var(--font-mono); }
.contact-info { display: flex; flex-direction: column; gap: var(--space-1); }
.contact-label { font-size: var(--text-xs); font-family: var(--font-mono); color: var(--color-text-faint); text-transform: uppercase; letter-spacing: 0.05em; }
.contact-info a { color: var(--color-text); text-decoration: none; font-weight: 600; font-size: var(--text-sm); }
.contact-info a:hover { color: var(--color-cyan); }

.contact-form { display: flex; flex-direction: column; gap: var(--space-5); padding: var(--space-8); background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-xl); }
.form-group { display: flex; flex-direction: column; gap: var(--space-2); }
.form-group label { font-size: var(--text-xs); font-family: var(--font-mono); color: var(--color-text-faint); text-transform: uppercase; letter-spacing: 0.05em; }
.form-group input, .form-group textarea { padding: var(--space-3) var(--space-4); background: var(--color-surface-2); border: 1px solid var(--color-border); border-radius: var(--radius-md); color: var(--color-text); font-size: var(--text-sm); transition: border-color var(--transition); resize: vertical; }
.form-group input:focus, .form-group textarea:focus { border-color: var(--color-cyan); }
.form-group input.has-error, .form-group textarea.has-error { border-color: var(--color-status-red); }
.field-error { font-size: var(--text-xs); color: var(--color-status-red); min-height: 1em; }
.form-notice { font-size: var(--text-sm); text-align: center; min-height: 1.2em; }
.form-notice.success { color: var(--color-status-green); }

@media (max-width: 800px) { .contact-grid { grid-template-columns: 1fr; } }

/* ================================================================
12. FOOTER
================================================================ */
.site-footer { border-top: 1px solid var(--color-border); padding-block: var(--space-8); }
.footer-inner { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: var(--space-4); }
.footer-copy { font-size: var(--text-xs); color: var(--color-text-faint); }
.footer-links { display: flex; gap: var(--space-5); }
.footer-links a { font-size: var(--text-xs); color: var(--color-text-muted); text-decoration: none; transition: color var(--transition); }
.footer-links a:hover { color: var(--color-cyan); }