/* ===== vizitka.custom-way.ru — Вариант А «Инженерная ночь» (ТЗ v1.2), компактная версия ===== */

:root {
  --bg: #0A0B0E;
  --surface: #13151B;
  --border: rgba(255, 255, 255, 0.08);
  --text: #F2F4F8;
  --text-2: #A6ADBB;
  --text-3: #8A919E;
  --accent: #5E6AD2;
  --accent-hover: #3D4AC0;
  --link: #7B87F0;
  --maxw: 1120px;
  --radius-btn: 8px;
  --radius-card: 14px;
  --font: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, "SF Mono", Menlo, Consolas, monospace;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

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

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

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

/* ===== Шапка с якорями ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(10, 11, 14, 0.85);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-top: 10px;
  padding-bottom: 10px;
}

.header-brand {
  color: var(--text);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: -0.01em;
}
.header-brand:hover { color: var(--text); }

.header-nav {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
}

.header-link { color: var(--text-2); }
.header-link:hover { color: var(--text); text-decoration: none; }

.header-sep { color: var(--text-3); }

/* ===== 1. Hero ===== */
.hero {
  display: flex;
  align-items: center;
  border-bottom: 1px solid var(--border);
}

.hero-inner {
  padding: 48px 24px;
  width: 100%;
  display: flex;
  align-items: center;
  gap: 40px;
}

.hero-photo {
  flex-shrink: 0;
}

.hero-photo img {
  display: block;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  object-fit: cover;
  object-position: center 25%;
  border: 1px solid var(--border);
}

.hero-body {
  flex: 1;
  min-width: 0;
}

.hero-name {
  font-size: clamp(34px, 5vw, 50px);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.1;
  margin-bottom: 12px;
}

.hero-sub {
  font-size: 18px;
  font-weight: 400;
  color: var(--text-2);
  margin-bottom: 8px;
}

.hero-line {
  color: var(--text-2);
  max-width: 34em;
  margin-bottom: 28px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ===== Кнопки ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 22px;
  border-radius: var(--radius-btn);
  font-size: 15px;
  font-weight: 600;
  line-height: 1.2;
  transition: background-color 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.btn-primary {
  background: var(--accent);
  color: #FFFFFF;
}
.btn-primary:hover {
  background: var(--accent-hover);
  color: #FFFFFF;
  text-decoration: none;
}

.btn-ghost {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: var(--text);
}
.btn-ghost:hover {
  border-color: rgba(255, 255, 255, 0.35);
  color: var(--text);
  text-decoration: none;
}

/* ===== Секции ===== */
.section {
  padding: 40px 0;
  border-bottom: 1px solid var(--border);
}

.section-title {
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin-bottom: 20px;
}

/* ===== Штампы (стиль Агентума: белые буквы + рамка) ===== */
.stamp {
  display: inline-block;
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 15px;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  padding: 8px 22px;
  transform: rotate(-3deg);
  border-radius: 6px;
  position: relative;
}

.stamp::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 6px;
  opacity: 0.35;
  pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='80' height='80'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='80' height='80' filter='url(%23n)' opacity='0.5'/%3E%3C/svg%3E");
}

.stamp-light {
  color: #F2F4F8;
  border: 3px solid rgba(255, 255, 255, 0.5);
  background: rgba(255, 255, 255, 0.04);
}

.section-head {
  margin-bottom: 20px;
}

/* ===== 2. Бэкграунд ===== */
.prose {
  max-width: 720px;
}

.prose p {
  color: var(--text-2);
  margin-bottom: 14px;
}
.prose p:last-child { margin-bottom: 0; }

/* ===== 3. Проекты ===== */
.cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: 20px 24px;
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 24px;
  align-items: start;
}

.card-side {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.card-title {
  font-size: 19px;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.card-link {
  font-size: 14px;
  font-weight: 600;
  color: var(--link);
}
.card-link:hover { color: var(--text); }

.card-label {
  font-size: 12px;
  color: var(--text-3);
  margin-bottom: 3px;
}

.card-what {
  color: var(--text-2);
  font-size: 15px;
  margin-bottom: 12px;
}

.card-text {
  color: var(--text);
  font-size: 15px;
}

/* ===== 4. Контакты ===== */
.contacts {
  list-style: none;
  max-width: 720px;
}

.contact-item {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
}
.contact-item:last-child { border-bottom: none; }

.contact-name {
  color: var(--text-2);
  font-size: 15px;
}

.contact-link {
  font-size: 15px;
  font-weight: 500;
  word-break: break-all;
}

/* ===== 5. Футер ===== */
.footer {
  padding: 28px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.footer-inner { text-align: center; }

.footer-req {
  color: var(--text-3);
  font-size: 12.5px;
  line-height: 1.6;
}

/* ===== Адаптив ===== */
@media (max-width: 860px) {
  .cards { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .section { padding: 32px 0; }
  .hero-inner { padding: 44px 24px; flex-direction: column; align-items: flex-start; gap: 24px; }
  .hero-photo { align-self: center; }
  .hero-photo img { width: 140px; height: 140px; }
  .hero-name { font-size: 34px; }
  .card { grid-template-columns: 1fr; gap: 14px; }
  .card-side { flex-direction: row; align-items: baseline; justify-content: space-between; }
  .contact-item { flex-direction: column; gap: 2px; }
}

@media (max-width: 480px) {
  .header-inner { flex-direction: column; gap: 6px; }
}