/* ==========================================================================
   Портфолио — дизайн-система
   Чистый CSS, без сборки. Тема переключается через [data-theme="dark"]
   ========================================================================== */

/* ---------- 1. Токены дизайна ---------- */
:root {
  color-scheme: light;

  /* Цвета */
  --bg: #f8fafc;
  --bg-alt: #f1f5f9;
  --surface: #ffffff;
  --surface-2: #f8fafc;
  --surface-3: #eef2f7;
  --border: #e2e8f0;
  --border-strong: #cbd5e1;
  --text: #0f172a;
  --text-muted: #475569;
  --text-soft: #64748b;

  /* Акцент */
  --accent: #4f46e5;
  --accent-hover: #4338ca;
  --accent-soft: #eef2ff;
  --accent-border: #c7d2fe;
  --on-accent: #ffffff;

  /* Дополнительные акценты для градиентов */
  --accent-2: #0ea5e9;
  --accent-3: #ec4899;

  /* Обводка фокуса */
  --ring: rgba(79, 70, 229, 0.4);

  /* Тени */
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.06);
  --shadow-md: 0 4px 6px -1px rgba(15, 23, 42, 0.08), 0 2px 4px -2px rgba(15, 23, 42, 0.06);
  --shadow-lg: 0 20px 25px -5px rgba(15, 23, 42, 0.1), 0 8px 10px -6px rgba(15, 23, 42, 0.06);
  --shadow-accent: 0 10px 30px -10px rgba(79, 70, 229, 0.45);

  /* Радиусы */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 999px;

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

  /* Ритм */
  --container: 1120px;
  --gutter: 24px;
  --section-y: clamp(64px, 9vw, 112px);
  --transition: 180ms cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="dark"] {
  color-scheme: dark;

  --bg: #0b1120;
  --bg-alt: #0f172a;
  --surface: #111c33;
  --surface-2: #16213b;
  --surface-3: #1e293b;
  --border: #1e293b;
  --border-strong: #334155;
  --text: #f1f5f9;
  --text-muted: #cbd5e1;
  --text-soft: #94a3b8;

  /* Акценты для тёмной темы */
  --accent: #818cf8;
  --accent-hover: #a5b4fc;
  --accent-soft: #1e1b4b;
  --accent-border: #3730a3;
  --on-accent: #0b1120;

  /* Дополнительные акценты */
  --accent-2: #38bdf8;
  --accent-3: #f472b6;

  /* Обводка фокуса */
  --ring: rgba(129, 140, 248, 0.5);

  /* Тени */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.45), 0 2px 4px -2px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.55), 0 8px 10px -6px rgba(0, 0, 0, 0.5);
  --shadow-accent: 0 10px 30px -10px rgba(129, 140, 248, 0.5);

  /* Брендовые цвета контактов */
  --tg: #229ed9;
  --tg-hover: #1b87bb;
  --kwork: #1a7f4b;
  --kwork-hover: #156039;
  --on-brand: #ffffff;
}

/* ---------- 2. Сброс и база ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 96px;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-sans);
  font-size: 17px;
  line-height: 1.65;
  color: var(--text);
  background-color: var(--bg);
  background-image:
    radial-gradient(60rem 40rem at 80% -10%, rgba(79, 70, 229, 0.09), transparent 60%),
    radial-gradient(50rem 35rem at -10% 10%, rgba(14, 165, 233, 0.08), transparent 60%);
  background-repeat: no-repeat;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition: background-color var(--transition), color var(--transition);
}

h1, h2, h3, h4 {
  margin: 0 0 0.5em;
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  text-wrap: balance;
}

h1 { font-size: clamp(2.25rem, 6vw, 3.75rem); }
h2 { font-size: clamp(1.75rem, 3.6vw, 2.5rem); }
h3 { font-size: clamp(1.15rem, 2vw, 1.4rem); }

p {
  margin: 0 0 1rem;
  text-wrap: pretty;
}

p:last-child { margin-bottom: 0; }

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

a:hover { color: var(--accent-hover); }

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

ul, ol { margin: 0; padding: 0; }

hr {
  height: 1px;
  margin: 2rem 0;
  border: 0;
  background: var(--border);
}

code {
  font-family: var(--font-mono);
  font-size: 0.9em;
  padding: 0.15em 0.4em;
  border-radius: 6px;
  background: var(--surface-3);
}

:focus-visible {
  outline: 3px solid var(--ring);
  outline-offset: 2px;
  border-radius: 4px;
}

/* ---------- 3. Служебные классы ---------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.section { padding-block: var(--section-y); }
.section--alt { background: var(--bg-alt); }
.section--tight { padding-block: clamp(48px, 6vw, 72px); }

.section-head { max-width: 680px; margin-bottom: clamp(2rem, 4vw, 3rem); }
.section-head--center { margin-inline: auto; text-align: center; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 0.85rem;
  padding: 6px 14px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-soft);
  border: 1px solid var(--accent-border);
  border-radius: var(--radius-full);
}

.lead {
  font-size: clamp(1.02rem, 1.6vw, 1.18rem);
  color: var(--text-muted);
}

.muted { color: var(--text-soft); }

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

.skip-link {
  position: absolute;
  top: -100px;
  left: 16px;
  z-index: 100;
  padding: 10px 18px;
  font-weight: 600;
  color: var(--on-accent);
  background: var(--accent);
  border-radius: 0 0 var(--radius-md) var(--radius-md);
  transition: top var(--transition);
}

.skip-link:focus { top: 0; color: var(--on-accent); }

/* ---------- 4. Кнопки ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 13px 26px;
  font-family: inherit;
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.2;
  text-align: center;
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition),
    background-color var(--transition), border-color var(--transition), color var(--transition);
}

.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn--primary {
  color: var(--on-accent);
  background: var(--accent);
  box-shadow: var(--shadow-accent);
}

.btn--primary:hover {
  color: var(--on-accent);
  background: var(--accent-hover);
}

.btn--ghost {
  color: var(--text);
  background: var(--surface);
  border-color: var(--border-strong);
  box-shadow: var(--shadow-sm);
}

/* ---------- 6. Шапка ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--bg) 85%, transparent);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 72px;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.02em;
}

.logo:hover { color: var(--accent); }

.logo-mark {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  font-size: 1rem;
  color: var(--on-accent);
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  border-radius: 11px;
  box-shadow: var(--shadow-accent);
}

.logo-text small {
  display: block;
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--text-soft);
  letter-spacing: 0.02em;
}

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

.nav-link {
  padding: 8px 14px;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-muted);
  border-radius: var(--radius-md);
  transition: color var(--transition), background-color var(--transition);
}

.nav-link:hover {
  color: var(--text);
  background: var(--surface-3);
}

.nav-link[aria-current="page"] {
  color: var(--accent);
  font-weight: 600;
  background: var(--accent-soft);
}

.theme-toggle {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  color: var(--text-muted);
  background: var(--surface);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: color var(--transition), background-color var(--transition),
    border-color var(--transition), transform var(--transition);
}

.theme-toggle:hover {
  color: var(--accent);
  border-color: var(--accent);
  transform: rotate(-12deg);
}

.theme-toggle svg { width: 20px; height: 20px; }
.theme-toggle .icon-sun { display: none; }
[data-theme="dark"] .theme-toggle .icon-sun { display: block; }
[data-theme="dark"] .theme-toggle .icon-moon { display: none; }

.burger {
  display: none;
  place-items: center;
  width: 42px;
  height: 40px;
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-md);
  cursor: pointer;
}

.burger svg { width: 20px; height: 20px; }

/* Мобильное меню */
@media (max-width: 860px) {
  .burger { display: grid; }

  .header-actions .btn { display: none; }

  .nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
    padding: var(--gutter);
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow-lg);
    transition: opacity var(--transition), transform var(--transition), visibility var(--transition);
  }

  .nav[data-open="false"] {
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
  }

  .nav-link { padding: 12px 14px; font-size: 1rem; }

  .nav-mobile-cta {
    display: block;
    margin-top: 8px;
    padding: 12px 14px;
    font-weight: 600;
    text-align: center;
    color: var(--on-accent);
    background: var(--accent);
    border-radius: var(--radius-md);
  }
}

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

/* ---------- 7. Hero ---------- */
.hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(56px, 10vw, 120px) clamp(48px, 8vw, 96px);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  align-items: center;
  gap: clamp(2.5rem, 6vw, 5rem);
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 1.5rem;
  padding: 7px 16px 7px 8px;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-muted);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-sm);
}

.hero-badge .dot {
  width: 8px;
  height: 8px;
  margin-left: 6px;
  background: #22c55e;
  border-radius: 50%;
  box-shadow: 0 0 0 4px rgba(34, 197, 94, 0.18);
  animation: pulse 2.4s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 4px rgba(34, 197, 94, 0.18); }
  50% { box-shadow: 0 0 0 8px rgba(34, 197, 94, 0.05); }
}

.hero h1 { margin-bottom: 0.35em; }

.hero-greeting {
  display: block;
  font-size: clamp(1.15rem, 2.4vw, 1.5rem);
  font-weight: 600;
  color: var(--text-soft);
  letter-spacing: -0.01em;
}

.hero-accent {
  background: linear-gradient(120deg, var(--accent), var(--accent-2) 55%, var(--accent-3));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-subtitle {
  max-width: 54ch;
  margin-bottom: 2rem;
  font-size: clamp(1.05rem, 1.8vw, 1.25rem);
  color: var(--text-muted);
}

.hero-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 28px;
  margin-top: 2.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
}

.hero-text {
  min-width: 0;
}

.hero-fact {
  min-width: 96px;
}

.fact-value {
  font-size: 1.6rem;
  font-weight: 700;
  line-height: 1.1;
  color: var(--text);
}

/* Карточка-витрина в hero */
.hero-card {
  position: relative;
  padding: 26px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
}

.hero-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 5px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2), var(--accent-3));
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
}

.hero-avatar {
  display: grid;
  place-items: center;
  width: 68px;
  height: 68px;
  margin-bottom: 18px;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--on-accent);
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  border-radius: 50%;
  box-shadow: var(--shadow-accent);
}

.hero-card h2 {
  margin-bottom: 4px;
  font-size: 1.2rem;
}

.hero-card-role {
  margin-bottom: 18px;
  font-size: 0.95rem;
  color: var(--text-soft);
}

.hero-card-list {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 18px 0 0;
  list-style: none;
  border-top: 1px solid var(--border);
}

.hero-card-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.93rem;
  color: var(--text-muted);
}

.hero-card-list li::before {
  content: "✓";
  display: grid;
  place-items: center;
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--accent);
  background: var(--accent-soft);
  border-radius: 50%;
}

/* ---------- 8. Карточки проектов ---------- */
.project-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 340px), 1fr));
  gap: clamp(1.25rem, 2.5vw, 2rem);
}

.project-card {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  transition: transform var(--transition), box-shadow var(--transition),
    border-color var(--transition);
}

.project-card:hover {
  transform: translateY(-6px);
  border-color: var(--accent-border);
  box-shadow: var(--shadow-lg);
}

.project-cover {
  position: relative;
  display: block;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--surface-3);
  border-bottom: 1px solid var(--border);
}

.project-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 400ms cubic-bezier(0.4, 0, 0.2, 1);
}

.project-card:hover .project-cover img { transform: scale(1.05); }

.project-cover-label {
  position: absolute;
  left: 14px;
  bottom: 14px;
  padding: 5px 12px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text);
  background: color-mix(in srgb, var(--surface) 88%, transparent);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
}

.project-body {
  display: flex;
  flex-direction: column;
  flex: 1;
  gap: 14px;
  padding: 24px;
}

.project-title-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

.project-title {
  margin: 0;
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text);
}

.project-year {
  flex-shrink: 0;
  padding: 3px 10px;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-soft);
  background: var(--surface-3);
  border-radius: var(--radius-full);
}

.project-desc {
  margin: 0;
  font-size: 0.97rem;
  color: var(--text-muted);
}

.project-features {
  display: grid;
  gap: 7px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.project-features li {
  position: relative;
  padding-left: 20px;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.project-features li::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 0.62em;
  width: 6px;
  height: 6px;
  background: var(--accent);
  border-radius: 50%;
}

.project-footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-top: auto;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}

/* ---------- 9. Секция «Обо мне» ---------- */
.about-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(2rem, 5vw, 4rem);
  align-items: start;
}

.prose p { color: var(--text-muted); }

.prose h3 { margin-top: 1.75rem; }

.timeline {
  display: grid;
  gap: 4px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.timeline-item {
  position: relative;
  padding: 18px 20px 18px 24px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  transition: border-color var(--transition), transform var(--transition);
}

.timeline-item:hover {
  border-color: var(--accent-border);
  transform: translateX(4px);
}

.timeline-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 18px;
  bottom: 18px;
  width: 3px;
  background: linear-gradient(180deg, var(--accent), var(--accent-2));
  border-radius: 0 3px 3px 0;
}

.timeline-title {
  margin: 0 0 4px;
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
}

.timeline-meta {
  display: block;
  margin-bottom: 8px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--accent);
}

.timeline-text {
  margin: 0;
  font-size: 0.92rem;
  color: var(--text-muted);
}

/* ---------- 10. CTA ---------- */
.cta {
  position: relative;
  overflow: hidden;
  padding: clamp(2.5rem, 6vw, 4.5rem);
  text-align: center;
  color: #ffffff;
  background: linear-gradient(135deg, var(--accent), #6d28d9 55%, var(--accent-2));
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
}

.cta::after {
  content: "";
  position: absolute;
  top: -40%;
  right: -10%;
  width: 420px;
  height: 420px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.22), transparent 65%);
  pointer-events: none;
}

.cta > * { position: relative; z-index: 1; }

.cta h2 { margin-bottom: 0.4em; }
.cta p { max-width: 56ch; margin-inline: auto; color: rgba(255, 255, 255, 0.9); }

.cta .btn-row { justify-content: center; margin-top: 2rem; }

.cta .btn--primary {
  color: var(--accent);
  background: #ffffff;
  box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.4);
}

.cta .btn--primary:hover { color: var(--accent-hover); background: #f8fafc; }

.cta .btn--ghost {
  color: #ffffff;
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.45);
  backdrop-filter: blur(6px);
}


/* ---------- 12. Форма ---------- */
.contact-form {
  max-width: 640px;
  padding: clamp(1.5rem, 4vw, 2.5rem);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.form-group { margin-bottom: 1.25rem; }

.form-label {
  display: block;
  margin-bottom: 6px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text);
}

.form-control {
  width: 100%;
  padding: 12px 14px;
  font-family: inherit;
  font-size: 1rem;
  color: var(--text);
  background: var(--surface-2);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-md);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.form-control::placeholder { color: var(--text-soft); }

.form-control:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--ring);
}

textarea.form-control { min-height: 140px; resize: vertical; }

.form-note {
  margin: 0.9rem 0 0;
  font-size: 0.85rem;
  color: var(--text-soft);
}

.copy-btn {
  padding: 4px 10px;
  margin-left: 8px;
  font-family: inherit;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent);
  background: var(--accent-soft);
  border: 1px solid var(--accent-border);
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: background-color var(--transition), color var(--transition);
}

.copy-btn:hover { color: var(--on-accent); background: var(--accent); }

/* ---------- 13. Подвал ---------- */
.site-footer {
  padding-block: 3rem 2rem;
  background: var(--surface);
  border-top: 1px solid var(--border);
}

.footer-top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding-bottom: 1.75rem;
  border-bottom: 1px solid var(--border);
}

.footer-socials { display: flex; gap: 10px; }

.social-link {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  color: var(--text-muted);
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  transition: color var(--transition), border-color var(--transition),
    transform var(--transition);
}

.social-link:hover {
  color: var(--accent);
  border-color: var(--accent);
  transform: translateY(-3px);
}

.social-link svg { width: 18px; height: 18px; }

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding-top: 1.75rem;
  font-size: 0.88rem;
  color: var(--text-soft);
}

.footer-links { display: flex; flex-wrap: wrap; gap: 1.25rem; }
.footer-links a { color: var(--text-muted); }
.footer-links a:hover { color: var(--accent); }

/* ---------- 14. Анимации появления ---------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 600ms ease, transform 600ms cubic-bezier(0.4, 0, 0.2, 1);
  transition-delay: var(--reveal-delay, 0ms);
}

/* ---------- 15. Адаптив ---------- */
@media (max-width: 900px) {
  .about-grid { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  body { font-size: 16px; }

  :root { --gutter: 18px; }

  .hero { padding-top: 40px; }
  .hero-facts { gap: 20px; }

  .btn { width: 100%; }
  .btn-row { flex-direction: column; align-items: stretch; }

  .cta .btn-row { flex-direction: column; }
  .cta .btn { width: 100%; }

  .footer-top,
  .footer-bottom { flex-direction: column; align-items: flex-start; }

  .project-body { padding: 20px; }
}

@media (max-width: 400px) {
  .hero-facts { flex-direction: column; gap: 14px; }
}

/* ---------- 16. Заглушка «проект в процессе» ---------- */
.soon-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr));
  gap: 1rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.soon-item {
  padding: 20px;
  background: var(--surface);
  border: 1px dashed var(--border-strong);
  border-radius: var(--radius-lg);
}

.soon-item h3 { margin-bottom: 6px; font-size: 1rem; }
.soon-item p { margin: 0; font-size: 0.9rem; color: var(--text-soft); }

.soon-tag {
  display: inline-block;
  margin-bottom: 10px;
  padding: 3px 10px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-soft);
  border-radius: var(--radius-full);
}

/* Печать */
@media print {
  .site-header,
  .site-footer,
  .theme-toggle,
  .btn { display: none !important; }

  body { background: #ffffff; }
}


[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  [data-reveal] {
    opacity: 1;
    transform: none;
  }
}

/* ---------- 12. Аватар (фото профиля + запасные инициалы) ----------
   Круглая рамка. Снимок квадратный и вписывается целиком
   (object-fit: cover срезает только углы квадрата по кругу). */
[data-avatar],
.hero-avatar {
  position: relative;
  display: grid;
  place-items: center;
  overflow: hidden;
  width: 176px;
  height: 176px;
  flex-shrink: 0;
  background: var(--accent-soft);
  border: 1px solid var(--accent-border);
  border-radius: 50%;
  box-shadow: var(--shadow-accent);
}

[data-avatar] .avatar-fallback,
.hero-avatar .avatar-fallback {
  display: grid;
  place-items: center;
  width: 100%;
  height: 100%;
  font-size: 3.2rem;
  font-weight: 700;
  color: var(--accent);
}

[data-avatar] .avatar-img,
.hero-avatar .avatar-img {
  position: absolute;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  /* Масштаб с запасом, чтобы сдвиг вниз не оставлял пустой край */
  transform: scale(1.12) translateY(3%);
}

.hero-card-title { margin-bottom: 2px; font-size: 1.4rem; }

/* ---------- 13. Соцсети в шапке ---------- */
.header-socials { display: flex; align-items: center; gap: 6px; }

.header-social {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  color: var(--text-muted);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  transition: color var(--transition), background-color var(--transition),
    border-color var(--transition), transform var(--transition);
}

.header-social svg { width: 17px; height: 17px; }
.header-social:hover { transform: translateY(-2px); color: var(--on-brand); }
.header-social--tg:hover { background: var(--tg); border-color: var(--tg); }
.header-social--kwork:hover { background: var(--kwork); border-color: var(--kwork); }

/* Кнопка «Связаться» в шапке: на узких экранах уступает меню */
.header-cta { white-space: nowrap; }

.social-link--github:hover { color: var(--text); background: var(--surface-3); }
.social-link--mail:hover { color: var(--accent); background: var(--accent-soft); border-color: var(--accent-border); }

.social-link--tg:hover,
.social-link--kwork:hover { color: var(--on-brand); }
.social-link--tg:hover { background: var(--tg); border-color: var(--tg); }
.social-link--kwork:hover { background: var(--kwork); border-color: var(--kwork); }

/* ---------- 14. Раздельные CTA-кнопки ---------- */
.cta-actions {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 260px), 1fr));
  gap: 14px;
  margin-top: 1.75rem;
}

.cta-btn {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 20px;
  text-align: left;
  text-decoration: none;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition),
    border-color var(--transition);
}

.cta-btn:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }

.cta-btn-icon {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  flex-shrink: 0;
  color: var(--on-brand);
  border-radius: var(--radius-md);
}

.cta-btn-icon svg { width: 21px; height: 21px; }

.cta-btn-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.cta-btn-text strong { font-size: 1rem; font-weight: 600; line-height: 1.3; color: var(--text); }
.cta-btn-text small { font-size: 0.84rem; color: var(--text-soft); }

.cta-btn--tg { border-color: color-mix(in srgb, var(--tg) 35%, var(--border)); }
.cta-btn--tg .cta-btn-icon { background: var(--tg); }
.cta-btn--tg:hover { border-color: var(--tg); }

.cta-btn--kwork { border-color: color-mix(in srgb, var(--kwork) 35%, var(--border)); }
.cta-btn--kwork .cta-btn-icon { background: var(--kwork); }
.cta-btn--kwork:hover { border-color: var(--kwork); }

.cta .btn-row { margin-top: 1.5rem; }

/* ---------- 15. Контактные карточки ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr));
  gap: 1.25rem;
  margin-bottom: 3rem;
}

.contact-card {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 14px;
  padding: 18px 20px;
  text-decoration: none;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition),
    border-color var(--transition);
}

a.contact-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }

.contact-icon {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  flex-shrink: 0;
  color: var(--text-muted);
  background: var(--surface-3);
  border-radius: var(--radius-md);
}

.contact-icon svg { width: 20px; height: 20px; }

.contact-body {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.contact-label {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-soft);
}

.contact-value {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
  word-break: break-word;
}

.contact-note { font-size: 0.85rem; color: var(--text-soft); }

.contact-go { display: grid; place-items: center; color: var(--text-soft); }
.contact-go svg { width: 17px; height: 17px; }

.contact-copy {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px;
  font: inherit;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-muted);
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  white-space: nowrap;
  transition: color var(--transition), border-color var(--transition),
    background-color var(--transition);
}

.contact-copy svg { width: 14px; height: 14px; }
.contact-copy:hover { color: var(--accent); background: var(--accent-soft); border-color: var(--accent-border); }

.contact-card--tg { border-left: 3px solid var(--tg); }
.contact-card--tg .contact-icon { color: var(--tg); background: color-mix(in srgb, var(--tg) 14%, var(--surface)); }
.contact-card--kwork { border-left: 3px solid var(--kwork); }
.contact-card--kwork .contact-icon { color: var(--kwork); background: color-mix(in srgb, var(--kwork) 14%, var(--surface)); }
.contact-card--accent .contact-icon { color: var(--accent); background: var(--accent-soft); }
.contact-card--muted .contact-icon { color: var(--text-soft); }

/* Аватар на странице «Обо мне» — крупнее, чем в hero */
.about-avatar {
  width: 240px;
  height: 240px;
}

.about-avatar .avatar-fallback {
  font-size: 4rem;
}

/* ---------- 11. Прочее ---------- */

.project-link {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--accent);
}

.project-link svg { width: 15px; height: 15px; transition: transform var(--transition); }
.project-link:hover svg { transform: translate(2px, -2px); }

/* Карточки услуг / навыков */
.skill-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 270px), 1fr));
  gap: clamp(1rem, 2vw, 1.5rem);
}

.skill-card {
  padding: 24px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition),
    border-color var(--transition);
}

.skill-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent-border);
  box-shadow: var(--shadow-md);
}

.skill-icon {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  margin-bottom: 16px;
  font-size: 1.3rem;
  background: var(--accent-soft);
  border-radius: var(--radius-md);
}

.skill-card h3 { margin-bottom: 6px; font-size: 1.08rem; }
.skill-card p { margin-bottom: 14px; font-size: 0.92rem; color: var(--text-soft); }

@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-card { max-width: 480px; }
}


.fact-value {
  font-size: 1.6rem;
  font-weight: 700;
  line-height: 1.1;
  color: var(--text);
}

.fact-label {
  font-size: 0.85rem;
  color: var(--text-soft);
}

.nav-mobile-cta { display: none; }


.btn--ghost:hover {
  color: var(--accent);
  background: var(--surface-2);
  border-color: var(--accent);
}

.btn--sm { padding: 9px 18px; font-size: 0.92rem; }

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

/* ---------- 5. Чипы ---------- */
.chip {
  display: inline-block;
  padding: 5px 12px;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--text-muted);
  background: var(--surface-3);
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  white-space: nowrap;
}

.chip-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
}

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