/* =========================================================================
   glzv.net — дизайн-система
   ========================================================================= */

:root {
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "Inter",
               "Helvetica Neue", Arial, "Noto Sans", sans-serif;
  --font-mono: ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas,
               "Liberation Mono", monospace;

  --wrap: 1120px;
  --radius: 14px;
  --radius-lg: 20px;

  --step-0: clamp(0.95rem, 0.92rem + 0.15vw, 1.02rem);
  --step-1: clamp(1.06rem, 1rem + 0.3vw, 1.2rem);
  --step-2: clamp(1.3rem, 1.15rem + 0.7vw, 1.7rem);
  --step-3: clamp(1.7rem, 1.35rem + 1.6vw, 2.6rem);
  --step-4: clamp(2.3rem, 1.6rem + 3.4vw, 4.6rem);

  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

/* --- тёмная тема (по умолчанию) --- */
[data-theme="dark"] {
  --bg: #0b0d10;
  --bg-elev: #12151b;
  --bg-soft: #161a21;
  --border: #232935;
  --border-soft: #1b2029;
  --text: #e7eaf0;
  --text-dim: #9aa5b6;
  --text-faint: #6b7688;
  --accent: #6f9cff;
  --accent-soft: rgba(111, 156, 255, 0.14);
  --accent-2: #3ad3a5;
  --shadow: 0 20px 50px -30px rgba(0, 0, 0, 0.9);
  --glow-a: rgba(111, 156, 255, 0.22);
  --glow-b: rgba(58, 211, 165, 0.12);
  --warn: #e8875c;
  --net: 111, 156, 255;
}

/* --- светлая тема --- */
[data-theme="light"] {
  --bg: #ffffff;
  --bg-elev: #ffffff;
  --bg-soft: #f5f7fa;
  --border: #e2e7ee;
  --border-soft: #edf1f6;
  --text: #10141a;
  --text-dim: #596373;
  --text-faint: #8a94a4;
  --accent: #2f5fd8;
  --accent-soft: rgba(47, 95, 216, 0.09);
  --accent-2: #12876a;
  --shadow: 0 20px 45px -32px rgba(16, 24, 40, 0.4);
  --glow-a: rgba(47, 95, 216, 0.14);
  --glow-b: rgba(18, 135, 106, 0.08);
  --warn: #c25a2c;
  --net: 47, 95, 216;
}

/* =========================== база =========================== */
*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: var(--step-0);
  line-height: 1.65;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

h1, h2, h3 { line-height: 1.18; letter-spacing: -0.02em; margin: 0; font-weight: 640; }
p { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }

a { color: inherit; text-decoration: none; }
a:focus-visible, button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 6px;
}

::selection { background: var(--accent); color: #fff; }

.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }
@media (max-width: 640px) { .wrap { padding: 0 18px; } }

.muted { color: var(--text-dim); }
.small { font-size: 0.86rem; }

.skip-link {
  position: absolute; left: -9999px; top: 0; z-index: 100;
  background: var(--accent); color: #fff; padding: 10px 16px; border-radius: 0 0 8px 0;
}
.skip-link:focus { left: 0; }

/* =========================== шапка =========================== */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: saturate(160%) blur(14px);
  -webkit-backdrop-filter: saturate(160%) blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s var(--ease), background 0.3s var(--ease);
}
.site-header.is-stuck { border-bottom-color: var(--border-soft); }

.header-inner {
  display: flex; align-items: center; gap: 24px;
  height: 66px;
}

.brand { display: inline-flex; align-items: center; gap: 11px; margin-right: auto; }
.brand-mark {
  width: 34px; height: 34px; flex: none;
  display: grid; place-items: center;
  border-radius: 10px;
  background: linear-gradient(140deg, var(--accent), var(--accent-2));
  color: #fff; font-weight: 700; font-size: 0.95rem;
}
.brand-text { display: flex; flex-direction: column; line-height: 1.25; }
.brand-name { font-weight: 620; font-size: 0.95rem; letter-spacing: -0.01em; }
.brand-role { font-size: 0.74rem; color: var(--text-faint); }

.nav { display: flex; gap: 26px; font-size: 0.9rem; color: var(--text-dim); }
.nav a { position: relative; padding: 4px 0; transition: color 0.2s var(--ease); }
.nav a::after {
  content: ""; position: absolute; left: 0; right: 100%; bottom: 0; height: 1.5px;
  background: var(--accent); transition: right 0.28s var(--ease);
}
.nav a:hover { color: var(--text); }
.nav a:hover::after, .nav a.is-active::after { right: 0; }
.nav a.is-active { color: var(--text); }

.header-actions { display: flex; align-items: center; gap: 10px; }

.theme-toggle {
  width: 36px; height: 36px; flex: none;
  display: grid; place-items: center;
  border: 1px solid var(--border); border-radius: 10px;
  background: transparent; color: var(--text-dim); cursor: pointer;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), background 0.2s var(--ease);
}
.theme-toggle:hover { color: var(--text); border-color: var(--accent); background: var(--accent-soft); }
.theme-toggle svg { width: 17px; height: 17px; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; }
[data-theme="dark"] .icon-sun { display: block; }
[data-theme="dark"] .icon-moon { display: none; }
[data-theme="light"] .icon-sun { display: none; }
[data-theme="light"] .icon-moon { display: block; }

.scroll-progress {
  position: absolute; left: 0; bottom: -1px; height: 2px; width: 0;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  transition: width 0.1s linear;
}

/* бургер и выезжающее меню */
.burger {
  display: none; width: 36px; height: 36px; flex: none;
  flex-direction: column; align-items: center; justify-content: center; gap: 5px;
  border: 1px solid var(--border); border-radius: 10px;
  background: transparent; cursor: pointer;
}
.burger span {
  display: block; width: 16px; height: 1.7px; border-radius: 2px; background: var(--text);
  transition: transform 0.28s var(--ease), opacity 0.2s var(--ease);
}
body.menu-open .burger span:first-child { transform: translateY(3.4px) rotate(45deg); }
body.menu-open .burger span:last-child { transform: translateY(-3.3px) rotate(-45deg); }

.drawer {
  position: fixed; inset: 66px 0 0; z-index: 45;
  background: color-mix(in srgb, var(--bg) 96%, transparent);
  backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
  padding: 12px 0 40px; overflow-y: auto;
  animation: drawerIn 0.28s var(--ease) both;
}
.drawer[hidden] { display: none; }
@keyframes drawerIn { from { opacity: 0; transform: translateY(-8px); } to { opacity: 1; transform: none; } }
.drawer-nav { display: flex; flex-direction: column; padding: 0 22px; }
.drawer-nav a {
  padding: 16px 4px; font-size: 1.06rem; font-weight: 550;
  border-bottom: 1px solid var(--border-soft);
}
.drawer-nav a:last-child { border-bottom: 0; }
.drawer-cv { color: var(--accent) !important; }
body.menu-open { overflow: hidden; }

@media (max-width: 900px) {
  .nav { display: none; }
  .brand-role { display: none; }
  .burger { display: flex; }
}
@media (min-width: 901px) { .drawer { display: none !important; } }
@media (max-width: 520px) { .hide-sm { display: none; } }

/* =========================== кнопки =========================== */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 22px; border-radius: 11px;
  font-size: 0.92rem; font-weight: 560; letter-spacing: -0.01em;
  border: 1px solid transparent; cursor: pointer;
  transition: transform 0.18s var(--ease), background 0.2s var(--ease),
              border-color 0.2s var(--ease), box-shadow 0.2s var(--ease), color 0.2s var(--ease);
}
.btn-sm { padding: 8px 15px; font-size: 0.86rem; border-radius: 9px; }

.btn-primary {
  background: var(--accent); color: #fff;
  box-shadow: 0 10px 26px -14px var(--accent);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 16px 34px -14px var(--accent); }

.btn-ghost { border-color: var(--border); color: var(--text); background: transparent; }
.btn-ghost:hover { border-color: var(--accent); background: var(--accent-soft); transform: translateY(-2px); }

@media (prefers-reduced-motion: reduce) { .btn:hover { transform: none; } }

/* =========================== hero =========================== */
.hero { position: relative; padding: clamp(64px, 9vw, 130px) 0 clamp(56px, 7vw, 96px); overflow: hidden; }
.hero-glow {
  position: absolute; inset: -30% -10% auto -10%; height: 720px; pointer-events: none;
  background:
    radial-gradient(680px 380px at 22% 30%, var(--glow-a), transparent 70%),
    radial-gradient(520px 320px at 78% 12%, var(--glow-b), transparent 70%);
  filter: blur(6px);
}
.hero-net {
  position: absolute; inset: 0; width: 100%; height: 100%;
  pointer-events: none; opacity: 0; transition: opacity 1.2s var(--ease);
}
.hero-net.is-on { opacity: 1; }
.hero-inner { position: relative; }

.hero-top {
  display: grid; grid-template-columns: minmax(0, 1fr) 316px;
  gap: clamp(28px, 5vw, 64px); align-items: center;
}
.hero-copy { min-width: 0; }

.portrait {
  position: relative; margin: 0; border-radius: 22px; overflow: hidden;
  border: 1px solid var(--border);
  background: var(--bg-elev); box-shadow: var(--shadow);
  transform: rotate(-1.1deg);
  transition: transform 0.5s var(--ease);
}
.portrait::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: linear-gradient(180deg, transparent 46%,
              color-mix(in srgb, var(--bg) 88%, transparent) 100%);
}
.portrait:hover { transform: rotate(0deg) translateY(-4px); }
.portrait img { display: block; width: 100%; height: auto; }
.portrait figcaption {
  position: absolute; left: 18px; right: 18px; bottom: 15px; z-index: 1;
  display: flex; flex-direction: column; gap: 1px;
}
.portrait-name { font-weight: 620; font-size: 0.98rem; letter-spacing: -0.02em; }
.portrait-loc {
  font-family: var(--font-mono); font-size: 0.72rem; color: var(--text-dim);
}

@media (max-width: 900px) {
  .hero-top { grid-template-columns: 1fr; gap: 30px; }
  .portrait { max-width: 240px; transform: none; order: -1; }
  .portrait:hover { transform: translateY(-4px); }
}

.eyebrow {
  display: inline-flex; align-items: center; gap: 9px;
  font-family: var(--font-mono); font-size: 0.76rem; letter-spacing: 0.06em;
  text-transform: uppercase; color: var(--text-dim);
  padding: 6px 13px; border: 1px solid var(--border); border-radius: 999px;
  background: var(--bg-elev);
}
.dot {
  width: 7px; height: 7px; border-radius: 50%; background: var(--accent-2);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent-2) 22%, transparent);
}

.hero-title {
  margin-top: 26px;
  font-size: var(--step-4);
  font-weight: 700; letter-spacing: -0.045em;
  background: linear-gradient(170deg, var(--text) 30%, var(--text-dim));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero-role {
  margin-top: 12px; font-size: var(--step-2); font-weight: 560;
  color: var(--accent); letter-spacing: -0.02em;
}
.hero-tagline {
  margin-top: 20px; max-width: 30ch;
  font-size: var(--step-1); color: var(--text);
}
.hero-lead { margin-top: 16px; max-width: 62ch; color: var(--text-dim); }

.hero-cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }

.facts {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px;
  margin-top: clamp(44px, 6vw, 72px);
  background: var(--border-soft);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg); overflow: hidden;
}
.fact { background: var(--bg); padding: 22px 20px; }
.fact-value {
  display: block; font-size: clamp(1.6rem, 1.1rem + 1.8vw, 2.3rem);
  font-weight: 680; letter-spacing: -0.04em; line-height: 1.1;
}
.fact-unit { font-size: 0.72rem; font-weight: 500; color: var(--text-faint); margin-left: 6px; letter-spacing: 0; }
.fact-label { display: block; margin-top: 6px; font-size: 0.82rem; color: var(--text-dim); }

@media (max-width: 760px) { .facts { grid-template-columns: repeat(2, 1fr); } }

/* =========================== секции =========================== */
.section { padding: clamp(56px, 8vw, 104px) 0; }
.section + .section { border-top: 1px solid var(--border-soft); }

.section-head { display: flex; align-items: baseline; gap: 16px; margin-bottom: clamp(28px, 4vw, 46px); }
.section-num {
  font-family: var(--font-mono); font-size: 0.78rem; color: var(--accent);
  letter-spacing: 0.08em; padding-top: 4px;
}
.section-title { font-size: var(--step-3); letter-spacing: -0.035em; }

/* --- кейс --- */
.case {
  border: 1px solid var(--border); border-radius: var(--radius-lg);
  background: linear-gradient(180deg, var(--bg-elev), var(--bg));
  box-shadow: var(--shadow); overflow: hidden;
}
.case-head { padding: clamp(24px, 3.4vw, 36px); border-bottom: 1px solid var(--border-soft); }
.case-title { font-size: var(--step-2); max-width: 24ch; }
.case-system {
  margin-top: 10px; font-family: var(--font-mono); font-size: 0.8rem;
  color: var(--text-dim); letter-spacing: -0.01em;
}
.case-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; background: var(--border-soft); }
.case-block { background: var(--bg-elev); padding: clamp(20px, 2.6vw, 30px); }
.case-block p { color: var(--text-dim); }
.case-label {
  display: block; margin-bottom: 10px;
  font-family: var(--font-mono); font-size: 0.72rem; text-transform: uppercase;
  letter-spacing: 0.1em; color: var(--accent);
}
.case-block:last-child { background: var(--bg-soft); }
.case-block:last-child p { color: var(--text); }
@media (max-width: 760px) { .case-grid { grid-template-columns: 1fr; } }

/* --- интерактивная схема интеграций --- */
.arch { margin: 0; border-top: 1px solid var(--border-soft); }

.arch-bar {
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 14px;
  padding: 18px clamp(20px, 2.6vw, 30px);
  border-bottom: 1px solid var(--border-soft);
}
.arch-switch {
  position: relative; display: inline-flex; padding: 4px;
  border: 1px solid var(--border); border-radius: 12px; background: var(--bg);
}
.arch-thumb {
  position: absolute; top: 4px; left: 4px; bottom: 4px; width: calc(50% - 4px);
  border-radius: 9px; background: var(--accent);
  box-shadow: 0 8px 20px -12px var(--accent);
  transition: transform 0.42s var(--ease);
}
.arch[data-state="tobe"] .arch-thumb { transform: translateX(100%); }
.arch-btn {
  position: relative; z-index: 1; min-width: 118px;
  padding: 9px 18px; border: 0; background: transparent; cursor: pointer;
  font: inherit; font-size: 0.88rem; font-weight: 560;
  color: var(--text-dim); border-radius: 9px;
  transition: color 0.3s var(--ease);
}
.arch-btn.is-on { color: #fff; }
[data-theme="light"] .arch-btn.is-on { color: #fff; }
.arch-hint { font-size: 0.8rem; color: var(--text-faint); }

.arch-stage { padding: clamp(8px, 2vw, 22px) clamp(10px, 2.4vw, 26px); }
.arch-svg { display: block; width: 100%; height: auto; overflow: visible; }

/* узлы */
.arch-svg .node rect {
  fill: var(--bg-soft); stroke: var(--border); stroke-width: 1;
  transition: stroke 0.5s var(--ease), fill 0.5s var(--ease);
}
.arch-svg .node text {
  fill: var(--text); font-family: var(--font-sans); font-size: 12.5px; font-weight: 540;
}
.arch[data-state="tobe"] .node rect { stroke: color-mix(in srgb, var(--accent) 45%, var(--border)); }

/* рёбра */
.arch-svg .edge { fill: none; stroke-width: 1.2; stroke-linecap: round; }
.arch-svg .edge-asis {
  stroke: var(--warn); stroke-dasharray: 4 5; opacity: 0.55;
  transition: opacity 0.45s var(--ease) var(--d, 0ms);
}
.arch-svg .edge-tobe {
  stroke: var(--accent); stroke-width: 1.6; opacity: 0;
  stroke-dasharray: 400; stroke-dashoffset: 400;
  transition: opacity 0.3s var(--ease) var(--d, 0ms),
              stroke-dashoffset 0.75s var(--ease) var(--d, 0ms);
}
.arch[data-state="asis"] .edge-tobe { opacity: 0; stroke-dashoffset: 400; }
.arch[data-state="tobe"] .edge-asis { opacity: 0; transition-delay: 0ms; }
.arch[data-state="tobe"] .edge-tobe { opacity: 0.85; stroke-dashoffset: 0; }

/* хаб */
.arch-svg .hub rect {
  fill: var(--bg-elev); stroke: var(--accent); stroke-width: 1.4;
}
.arch-svg .hub-t { fill: var(--text); font-family: var(--font-sans); font-size: 13.5px; font-weight: 620; }
.arch-svg .hub-s { fill: var(--text-faint); font-family: var(--font-mono); font-size: 10.5px; }
.arch-svg .hub {
  opacity: 0; transform-box: fill-box; transform-origin: center;
  transform: scale(0.86);
  transition: opacity 0.4s var(--ease), transform 0.5s var(--ease);
}
.arch[data-state="tobe"] .hub { opacity: 1; transform: scale(1); transition-delay: 0.18s; }

/* легенда под схемой */
.arch-legend { position: relative; border-top: 1px solid var(--border-soft); }
.arch-info {
  padding: clamp(20px, 2.6vw, 30px);
  opacity: 0; visibility: hidden; position: absolute; inset: 0;
  transition: opacity 0.35s var(--ease), transform 0.35s var(--ease);
  transform: translateY(8px);
}
.arch-info:first-child { position: relative; }
.arch[data-state="asis"] .arch-info[data-for="asis"],
.arch[data-state="tobe"] .arch-info[data-for="tobe"] {
  opacity: 1; visibility: visible; position: relative; transform: none;
}
.arch-info-title { font-weight: 620; font-size: 1.02rem; }
.arch-info-note { margin-top: 8px; color: var(--text-dim); font-size: 0.92rem; max-width: 68ch; }
.arch-metrics { display: flex; flex-wrap: wrap; gap: 10px 34px; margin-top: 18px; }
.arch-metrics li { display: flex; align-items: baseline; gap: 8px; }
.arch-m-v {
  font-size: 1.5rem; font-weight: 680; letter-spacing: -0.03em;
  color: var(--accent);
}
.arch[data-state="asis"] .arch-m-v { color: var(--warn); }
.arch-m-l { font-size: 0.8rem; color: var(--text-dim); }

@media (max-width: 620px) {
  .arch-btn { min-width: 92px; padding: 9px 12px; font-size: 0.83rem; }
  .arch-hint { display: none; }
  .arch-svg .node text { font-size: 15px; }
  .arch-svg .hub-t { font-size: 16px; }
  .arch-svg .hub-s { font-size: 12px; }
}

/* --- артефакты --- */
.art-note {
  max-width: 74ch; margin-bottom: 22px; font-size: 0.88rem; color: var(--text-faint);
  padding-left: 14px; border-left: 2px solid var(--border);
}
.art {
  border: 1px solid var(--border); border-radius: var(--radius-lg);
  background: var(--bg-elev); overflow: hidden; box-shadow: var(--shadow);
}
.art-tabs {
  display: flex; gap: 4px; padding: 10px clamp(14px, 2vw, 20px) 0;
  background: var(--bg-soft); border-bottom: 1px solid var(--border-soft);
  overflow-x: auto; scrollbar-width: none;
}
.art-tabs::-webkit-scrollbar { display: none; }
.art-tab {
  position: relative; flex: none; padding: 12px 18px 13px; border: 0;
  background: transparent; cursor: pointer; font: inherit; font-size: 0.89rem;
  font-weight: 550; color: var(--text-dim); white-space: nowrap;
  border-radius: 9px 9px 0 0; transition: color 0.2s var(--ease), background 0.2s var(--ease);
}
.art-tab::after {
  content: ""; position: absolute; left: 14px; right: 14px; bottom: 0; height: 2px;
  background: var(--accent); transform: scaleX(0); transform-origin: center;
  transition: transform 0.28s var(--ease);
}
.art-tab:hover { color: var(--text); background: var(--bg-elev); }
.art-tab.is-on { color: var(--text); background: var(--bg-elev); }
.art-tab.is-on::after { transform: scaleX(1); }

.art-panel[hidden] { display: none; }
.art-panel.is-on { animation: procIn 0.4s var(--ease) both; }
.art-head { padding: clamp(20px, 2.6vw, 28px) clamp(18px, 2.6vw, 30px) 0; }
.art-title { font-size: var(--step-1); font-weight: 640; }
.art-sub { margin-top: 5px; font-size: 0.88rem; color: var(--text-dim); }
.art-body { padding: clamp(18px, 2.4vw, 26px) clamp(18px, 2.6vw, 30px); }

.art-block-label {
  margin-top: 22px; margin-bottom: 9px;
  font-family: var(--font-mono); font-size: 0.7rem; text-transform: uppercase;
  letter-spacing: 0.11em; color: var(--text-faint);
}
.art-why {
  display: flex; flex-direction: column; gap: 5px;
  padding: 18px clamp(18px, 2.6vw, 30px) 22px;
  border-top: 1px solid var(--border-soft); background: var(--bg-soft);
  font-size: 0.9rem; color: var(--text-dim);
}
.art-why span {
  font-family: var(--font-mono); font-size: 0.68rem; text-transform: uppercase;
  letter-spacing: 0.11em; color: var(--accent);
}

/* документ */
.doc {
  padding: clamp(20px, 3vw, 34px) clamp(18px, 3vw, 40px);
  border: 1px solid var(--border-soft); border-radius: 10px;
  background: var(--bg);
  font-size: 0.9rem; line-height: 1.62; max-width: 82ch;
}
.doc-h { font-size: 1rem; font-weight: 650; letter-spacing: -0.015em; }
.doc-h2 {
  margin-top: 20px; font-family: var(--font-mono); font-size: 0.76rem;
  letter-spacing: 0.04em; color: var(--accent);
}
.doc-p { margin-top: 10px; color: var(--text-dim); }
.doc-p b { color: var(--text); font-weight: 620; }
.doc-ul, .doc-ol { margin-top: 10px; display: flex; flex-direction: column; gap: 7px; }
.doc-ul li, .doc-ol li { position: relative; padding-left: 26px; color: var(--text-dim); }
.doc-ul li::before {
  content: ""; position: absolute; left: 8px; top: 0.7em;
  width: 5px; height: 5px; border-radius: 50%; background: var(--accent); opacity: 0.7;
}
.doc-ol { counter-reset: doc; }
.doc-ol li { counter-increment: doc; }
.doc-ol li::before {
  content: counter(doc) "."; position: absolute; left: 0; top: 0;
  font-family: var(--font-mono); font-size: 0.76rem; color: var(--accent); padding-top: 3px;
}

/* контракт API */
.api-endpoint {
  display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
  padding: 13px 16px; border: 1px solid var(--border-soft); border-radius: 10px;
  background: var(--bg);
}
.api-verb {
  padding: 3px 10px; border-radius: 6px; background: var(--accent-soft);
  color: var(--accent); font-family: var(--font-mono); font-size: 0.76rem; font-weight: 700;
  letter-spacing: 0.04em;
}
.api-endpoint code { font-family: var(--font-mono); font-size: 0.86rem; color: var(--text); }

.api-meta {
  display: grid; grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px 28px; margin: 18px 0 0;
}
.api-meta dt {
  font-family: var(--font-mono); font-size: 0.68rem; text-transform: uppercase;
  letter-spacing: 0.1em; color: var(--text-faint);
}
.api-meta dd { margin: 3px 0 0; font-size: 0.86rem; color: var(--text-dim); }

.api-table-wrap { overflow-x: auto; border: 1px solid var(--border-soft); border-radius: 10px; }
.api-table { width: 100%; border-collapse: collapse; font-size: 0.85rem; min-width: 540px; }
.api-table th {
  text-align: left; padding: 10px 14px; background: var(--bg-soft);
  font-family: var(--font-mono); font-size: 0.68rem; text-transform: uppercase;
  letter-spacing: 0.09em; color: var(--text-faint); font-weight: 600;
  border-bottom: 1px solid var(--border-soft);
}
.api-table td { padding: 10px 14px; border-bottom: 1px solid var(--border-soft); color: var(--text-dim); }
.api-table tr:last-child td { border-bottom: 0; }
.api-table code { font-family: var(--font-mono); color: var(--text); font-size: 0.84rem; }
.api-table .mono { font-family: var(--font-mono); font-size: 0.8rem; }
.api-table .req { color: var(--accent-2); font-weight: 600; }

.api-split { display: grid; grid-template-columns: 1.15fr 1fr; gap: 0 26px; }
.code {
  margin: 0; padding: 16px 18px; border-radius: 10px; overflow-x: auto;
  border: 1px solid var(--border-soft); background: var(--bg);
  font-family: var(--font-mono); font-size: 0.79rem; line-height: 1.6;
  color: var(--text-dim); white-space: pre;
}
.api-errors { display: flex; flex-direction: column; gap: 8px; }
.api-errors li { display: flex; gap: 12px; align-items: baseline; font-size: 0.86rem; color: var(--text-dim); }
.api-code {
  flex: none; width: 42px; font-family: var(--font-mono); font-weight: 650;
  color: var(--warn); font-size: 0.82rem;
}
@media (max-width: 760px) {
  .api-meta { grid-template-columns: 1fr; }
  .api-split { grid-template-columns: 1fr; }
}

/* BPMN */
.bpmn-wrap { overflow-x: auto; border: 1px solid var(--border-soft); border-radius: 10px; background: var(--bg); padding: 14px; }
.bpmn { display: block; width: 100%; min-width: 820px; height: auto; }
.bpmn .pool { fill: none; stroke: var(--border); stroke-width: 1; }
.bpmn .pool-l { stroke: var(--border); stroke-width: 1; }
.bpmn .lane {
  fill: var(--text-faint); font-family: var(--font-mono); font-size: 11px;
  letter-spacing: 0.06em; text-transform: uppercase;
}
.bpmn .task rect { fill: var(--bg-soft); stroke: var(--border); stroke-width: 1.2; }
.bpmn .task text { fill: var(--text); font-family: var(--font-sans); font-size: 12px; font-weight: 540; }
.bpmn .ev { fill: var(--bg-soft); stroke: var(--accent-2); stroke-width: 2; }
.bpmn .ev.end { stroke-width: 3.4; }
.bpmn .gw rect { fill: var(--bg-soft); stroke: var(--accent); stroke-width: 1.4; }
.bpmn .gw text { fill: var(--accent); font-size: 17px; font-weight: 700; font-family: var(--font-sans); }
.bpmn .flow { fill: none; stroke: var(--text-faint); stroke-width: 1.3; }
.bpmn marker path { fill: var(--text-faint); }
.bpmn .flow-l { fill: var(--text-faint); font-family: var(--font-mono); font-size: 10px; }
.bpmn-legend { display: flex; flex-direction: column; gap: 7px; margin-top: 16px; }
.bpmn-legend li { position: relative; padding-left: 18px; font-size: 0.85rem; color: var(--text-dim); }
.bpmn-legend li::before {
  content: ""; position: absolute; left: 0; top: 0.62em; width: 8px; height: 1.5px;
  background: var(--accent); border-radius: 2px;
}

/* --- «Как я работаю» --- */
.proc {
  border: 1px solid var(--border); border-radius: var(--radius-lg);
  background: var(--bg-elev); overflow: hidden; box-shadow: var(--shadow);
}
.proc-rail {
  position: relative; display: grid; grid-template-columns: repeat(6, 1fr);
  padding: 26px clamp(18px, 2.6vw, 30px) 20px;
  border-bottom: 1px solid var(--border-soft);
  background: var(--bg-soft);
}
.proc-line {
  position: absolute; left: clamp(18px, 2.6vw, 30px); right: clamp(18px, 2.6vw, 30px);
  top: 34px; height: 2px; background: var(--border); border-radius: 2px;
}
.proc-line-fill {
  display: block; height: 100%; width: 8%; border-radius: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  transition: width 0.45s var(--ease);
}
.proc-tab {
  position: relative; z-index: 1;
  display: flex; flex-direction: column; align-items: center; gap: 9px;
  padding: 0 4px; border: 0; background: transparent; cursor: pointer;
  font: inherit; color: var(--text-faint); text-align: center;
  transition: color 0.25s var(--ease);
}
.proc-dot {
  width: 14px; height: 14px; border-radius: 50%;
  background: var(--bg-soft); border: 2px solid var(--border);
  transition: border-color 0.3s var(--ease), background 0.3s var(--ease),
              box-shadow 0.3s var(--ease), transform 0.3s var(--ease);
}
.proc-num { font-family: var(--font-mono); font-size: 0.68rem; letter-spacing: 0.08em; }
.proc-step { font-size: 0.84rem; font-weight: 560; letter-spacing: -0.01em; }
.proc-tab:hover { color: var(--text-dim); }
.proc-tab:hover .proc-dot { border-color: var(--accent); }
.proc-tab.is-on { color: var(--text); }
.proc-tab.is-on .proc-dot {
  background: var(--accent); border-color: var(--accent); transform: scale(1.15);
  box-shadow: 0 0 0 5px var(--accent-soft);
}
.proc-tab.is-done { color: var(--text-dim); }
.proc-tab.is-done .proc-dot { border-color: var(--accent); background: var(--accent-soft); }

.proc-panels { padding: clamp(24px, 3.4vw, 40px); min-height: 232px; }
.proc-panel[hidden] { display: none; }
.proc-panel.is-on { animation: procIn 0.42s var(--ease) both; }
@keyframes procIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: none; }
}
.proc-title { font-size: var(--step-2); max-width: 22ch; }
.proc-text { margin-top: 12px; color: var(--text-dim); max-width: 66ch; }
.proc-art-label {
  margin-top: 22px; font-family: var(--font-mono); font-size: 0.7rem;
  text-transform: uppercase; letter-spacing: 0.11em; color: var(--text-faint);
}
.proc-art-label + .tags { margin-top: 10px; }

@media (max-width: 860px) {
  .proc-rail {
    grid-template-columns: none; grid-auto-flow: column; grid-auto-columns: minmax(104px, 1fr);
    overflow-x: auto; scrollbar-width: none; scroll-snap-type: x proximity;
  }
  .proc-rail::-webkit-scrollbar { display: none; }
  .proc-tab { scroll-snap-align: center; }
  .proc-line { display: none; }
  .proc-panels { min-height: 0; }
}

/* --- направления опыта --- */
.areas { position: relative; display: flex; flex-direction: column; }
.areas::before {
  content: ""; position: absolute; left: -22px; top: 6px; bottom: 6px; width: 2px;
  background: var(--border-soft); border-radius: 2px;
}
.areas::after {
  content: ""; position: absolute; left: -22px; top: 6px; width: 2px; border-radius: 2px;
  height: var(--progress, 0%);
  background: linear-gradient(180deg, var(--accent), var(--accent-2));
  transition: height 0.25s linear;
}
@media (max-width: 1220px) { .areas::before, .areas::after { display: none; } }

.area {
  display: grid; grid-template-columns: 300px 1fr; gap: 34px;
  padding: clamp(26px, 3.2vw, 38px) 0;
  border-top: 1px solid var(--border-soft);
}
.area:first-child { border-top: none; padding-top: 0; }
.area-side { position: sticky; top: 92px; align-self: start; }
.area-index {
  display: block; font-family: var(--font-mono); font-size: 0.74rem;
  letter-spacing: 0.12em; color: var(--accent); opacity: 0.75; margin-bottom: 8px;
}
.area-title { font-size: var(--step-1); font-weight: 640; letter-spacing: -0.025em; }
.area-scale {
  margin-top: 10px; font-size: 0.82rem; color: var(--text-faint);
  padding-left: 12px; border-left: 2px solid var(--accent-soft);
}
.area-body { padding-top: 4px; }

.job-points { display: flex; flex-direction: column; gap: 10px; }
.job-points li { position: relative; padding-left: 20px; color: var(--text-dim); }
.job-points li::before {
  content: ""; position: absolute; left: 2px; top: 0.66em;
  width: 6px; height: 1.5px; background: var(--accent); border-radius: 2px;
}

.tags { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 16px; }
.tags li {
  font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: -0.01em;
  padding: 4px 10px; border-radius: 7px;
  border: 1px solid var(--border-soft); background: var(--bg-soft); color: var(--text-dim);
}

@media (max-width: 860px) {
  .area { grid-template-columns: 1fr; gap: 16px; }
  .area-side { position: static; }
}

/* --- компетенции --- */
/* --- стек --- */
.stack { display: flex; flex-direction: column; }
.stack-row {
  display: grid; grid-template-columns: 190px 1fr; gap: 12px 28px;
  padding: 18px 0; border-top: 1px solid var(--border-soft);
}
.stack-row:first-child { border-top: 0; padding-top: 0; }
.stack-title {
  font-family: var(--font-mono); font-size: 0.76rem; text-transform: uppercase;
  letter-spacing: 0.09em; color: var(--text-faint); padding-top: 5px;
}
.stack-row .tags { margin-top: 0; }
.stack-row .tags li {
  font-size: 0.8rem; padding: 6px 13px; background: var(--bg-elev);
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease);
}
.stack-row .tags li:hover { border-color: var(--accent); color: var(--text); }
@media (max-width: 700px) { .stack-row { grid-template-columns: 1fr; gap: 10px; } }

.project-soon {
  margin-top: auto; font-size: 0.86rem; color: var(--text-faint);
  padding-left: 14px; border-left: 2px solid var(--border);
}

.skills-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.skill-card {
  position: relative; isolation: isolate;
  padding: clamp(22px, 2.6vw, 30px);
  border: 1px solid var(--border-soft); border-radius: var(--radius);
  background: var(--bg-elev);
  transition: border-color 0.25s var(--ease), transform 0.25s var(--ease);
}
/* подсветка, следующая за курсором */
.skill-card::before, .project-card::before {
  content: ""; position: absolute; inset: 0; z-index: -1; border-radius: inherit;
  opacity: 0; transition: opacity 0.3s var(--ease);
  background: radial-gradient(340px circle at var(--mx, 50%) var(--my, 0%),
              var(--accent-soft), transparent 62%);
}
.skill-card:hover::before, .project-card:hover::before { opacity: 1; }
.skill-card:hover { border-color: var(--border); transform: translateY(-3px); }
.skill-card h3 { font-size: 1.02rem; margin-bottom: 14px; }
.skill-card ul { display: flex; flex-direction: column; gap: 8px; }
.skill-card li { position: relative; padding-left: 18px; font-size: 0.9rem; color: var(--text-dim); }
.skill-card li::before {
  content: ""; position: absolute; left: 0; top: 0.62em;
  width: 5px; height: 5px; border-radius: 50%; background: var(--accent); opacity: 0.65;
}
@media (max-width: 760px) { .skills-grid { grid-template-columns: 1fr; } }
@media (prefers-reduced-motion: reduce) { .skill-card:hover { transform: none; } }

/* --- проекты --- */
.projects-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.project-card {
  position: relative; isolation: isolate;
  padding: clamp(22px, 2.6vw, 30px);
  border: 1px solid var(--border-soft); border-radius: var(--radius);
  background: var(--bg-elev);
  display: flex; flex-direction: column; gap: 12px;
  transition: border-color 0.25s var(--ease), transform 0.25s var(--ease);
}
.project-card:hover { border-color: var(--accent); transform: translateY(-3px); }
.project-card h3 { font-size: 1.05rem; }
.project-card p { color: var(--text-dim); font-size: 0.92rem; }
.link-arrow {
  margin-top: auto; color: var(--accent); font-weight: 560; font-size: 0.9rem;
  display: inline-flex; align-items: center; gap: 7px;
}
.link-arrow span { transition: transform 0.22s var(--ease); }
.project-card:hover .link-arrow span { transform: translateX(4px); }
@media (max-width: 760px) { .projects-grid { grid-template-columns: 1fr; } }

/* --- образование --- */
.edu-layout { display: grid; grid-template-columns: 1fr 300px; gap: 28px; align-items: start; }
.edu-list { display: flex; flex-direction: column; }
.edu {
  display: grid; grid-template-columns: 76px 1fr; gap: 18px;
  padding: 18px 0; border-top: 1px solid var(--border-soft);
}
.edu:first-child { border-top: none; padding-top: 0; }
.edu-year { font-family: var(--font-mono); font-size: 0.82rem; color: var(--accent); padding-top: 2px; }
.edu-title { font-weight: 570; }

.lang-card {
  padding: 24px; border: 1px solid var(--border-soft); border-radius: var(--radius);
  background: var(--bg-elev);
}
.lang-card h3 { font-size: 0.96rem; margin-bottom: 14px; }
.lang-card ul { display: flex; flex-direction: column; gap: 10px; }
.lang-card li { display: flex; justify-content: space-between; font-size: 0.9rem; }
@media (max-width: 860px) { .edu-layout { grid-template-columns: 1fr; } }

/* --- контакты --- */
.section-contact { padding-bottom: clamp(70px, 9vw, 120px); }
.contact-card {
  position: relative; overflow: hidden;
  padding: clamp(32px, 5vw, 60px);
  border: 1px solid var(--border); border-radius: var(--radius-lg);
  background:
    radial-gradient(600px 300px at 15% 0%, var(--glow-a), transparent 70%),
    var(--bg-elev);
  box-shadow: var(--shadow);
}
.contact-title {
  margin-top: 16px; max-width: 26ch;
  font-size: var(--step-3); letter-spacing: -0.035em;
}
.contact-list {
  display: grid; grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px 40px; margin-top: 32px; padding-top: 28px;
  border-top: 1px solid var(--border-soft);
}
.contact-list li { display: flex; flex-direction: column; gap: 3px; }
.contact-label {
  font-family: var(--font-mono); font-size: 0.72rem; text-transform: uppercase;
  letter-spacing: 0.1em; color: var(--text-faint);
}
.contact-list a { color: var(--accent); font-weight: 550; }
.contact-list a:hover { text-decoration: underline; text-underline-offset: 3px; }
@media (max-width: 560px) { .contact-list { grid-template-columns: 1fr; } }

/* =========================== подвал =========================== */
.site-footer { border-top: 1px solid var(--border-soft); padding: 34px 0; }
.footer-inner {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 18px;
}
.footer-name { font-weight: 580; }
.footer-links { display: flex; gap: 22px; font-size: 0.9rem; color: var(--text-dim); }
.footer-links a:hover { color: var(--accent); }

/* =========================== 404 =========================== */
.error-page { padding: clamp(80px, 14vw, 180px) 24px; text-align: center; }
.error-code {
  font-family: var(--font-mono); font-size: clamp(3.5rem, 12vw, 7rem);
  font-weight: 700; letter-spacing: -0.05em; color: var(--accent); opacity: 0.35; line-height: 1;
}
.error-page h1 { margin-top: 12px; font-size: var(--step-3); }
.error-page .muted { margin-top: 12px; }
.error-page .hero-cta { justify-content: center; }

/* =========================== резюме /cv =========================== */
.cv-wrap { padding-top: 40px; padding-bottom: 80px; max-width: 900px; }
.cv-bar {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  flex-wrap: wrap; margin-bottom: 22px;
}
.cv-bar p { max-width: 46ch; }
.cv-bar-actions { display: flex; gap: 9px; flex: none; }
.cv {
  padding: clamp(28px, 4vw, 52px);
  border: 1px solid var(--border-soft); border-radius: var(--radius-lg);
  background: var(--bg-elev);
}
.cv-head {
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 20px;
  padding-bottom: 22px; border-bottom: 1px solid var(--border-soft);
}
.cv-id { display: flex; align-items: center; gap: 16px; }
.cv-avatar {
  width: 62px; height: 62px; flex: none; border-radius: 50%;
  object-fit: cover; border: 1px solid var(--border);
}
.cv-head h1 { font-size: var(--step-2); }
.cv-role { margin-top: 6px; color: var(--accent); font-weight: 550; }
.cv-contacts { text-align: right; font-size: 0.86rem; color: var(--text-dim); display: flex; flex-direction: column; gap: 3px; }
.cv-contacts a:hover { color: var(--accent); }

.cv-section { margin-top: 28px; }
.cv-section h2 {
  font-family: var(--font-mono); font-size: 0.76rem; text-transform: uppercase;
  letter-spacing: 0.12em; color: var(--accent); margin-bottom: 12px; font-weight: 600;
}
.cv-section > p { color: var(--text-dim); }
.cv-section > p + p { margin-top: 10px; }
.cv-case-title { font-weight: 600; color: var(--text) !important; }

.cv-list { display: flex; flex-direction: column; gap: 7px; margin-top: 10px; }
.cv-list li { position: relative; padding-left: 18px; color: var(--text-dim); font-size: 0.92rem; }
.cv-list li::before {
  content: ""; position: absolute; left: 2px; top: 0.68em;
  width: 6px; height: 1.5px; background: var(--accent); border-radius: 2px;
}
.cv-list strong { color: var(--text); font-weight: 600; }

.cv-job + .cv-job { margin-top: 20px; padding-top: 20px; border-top: 1px solid var(--border-soft); }
.cv-job-head { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 6px 18px; }
.cv-job-role { font-weight: 600; }
.cv-job-period { font-family: var(--font-mono); font-size: 0.78rem; color: var(--text-faint); }

.cv-skills { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px 28px; }
.cv-skill-title { font-weight: 580; font-size: 0.92rem; margin-bottom: 3px; }
@media (max-width: 640px) {
  .cv-skills { grid-template-columns: 1fr; }
  .cv-contacts { text-align: left; }
}

/* =========================== анимации появления =========================== */
.reveal { opacity: 0; transform: translateY(16px); }
.reveal.is-in { opacity: 1; transform: none; transition: opacity 0.6s var(--ease), transform 0.6s var(--ease); }
.no-js .reveal, .reveal.is-off { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1 !important; transform: none !important; transition: none !important; }
  .hero-net { display: none; }
  .arch-svg *, .arch-thumb, .arch-info, .proc-line-fill, .proc-dot {
    transition-duration: 0.01ms !important;
  }
  .proc-panel.is-on { animation: none; }
  .areas::after { transition: none; }
}

/* цифры, пока их анимирует скрипт, не должны прыгать по ширине */
.num { font-variant-numeric: tabular-nums; }

/* =========================== печать =========================== */
@media print {
  :root { --bg: #fff; }
  html { background: #fff; }
  body {
    background: #fff; color: #111; font-size: 10.2pt; line-height: 1.45;
  }
  .site-header, .site-footer, .no-print, .skip-link, .hero-glow,
  .hero-net, .arch-bar, .proc-rail { display: none !important; }
  .cv-wrap { padding: 0; max-width: none; }
  .cv { border: none; padding: 0; background: none; box-shadow: none; }
  .cv-head h1 { font-size: 19pt; }
  .cv-role, .cv-section h2, .cv-list li::before { color: #1a4bbf !important; }
  .cv-section { margin-top: 15pt; page-break-inside: avoid; }
  .cv-job { page-break-inside: avoid; }
  .muted, .cv-list li, .cv-section > p { color: #333 !important; }
  a { color: #111 !important; text-decoration: none; }
  @page { margin: 14mm 14mm 12mm; }
}