/* Сайт-визитка — переменные и базовые стили */
:root {
  --bg: #0f1419;
  --bg-elevated: #1a222d;
  --text: #e8eaed;
  --text-muted: #9aa5b1;
  --accent: #c9a227;
  --accent-soft: rgba(201, 162, 39, 0.15);
  --border: rgba(255, 255, 255, 0.08);
  --font-display: "Fraunces", Georgia, serif;
  --font-body: "Source Sans 3", system-ui, sans-serif;
  --radius: 12px;
  --shadow: 0 24px 48px rgba(0, 0, 0, 0.35);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--text);
  background: var(--bg);
  background-image:
    radial-gradient(ellipse 80% 50% at 50% -20%, rgba(201, 162, 39, 0.12), transparent),
    radial-gradient(ellipse 60% 40% at 100% 50%, rgba(30, 58, 95, 0.25), transparent);
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: color 0.2s ease, opacity 0.2s ease;
}

a:hover {
  color: #e4c04a;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

.container {
  width: min(1100px, 92vw);
  margin-inline: auto;
  padding-inline: 1rem;
}

/* Шапка */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(12px);
  background: rgba(15, 20, 25, 0.75);
  border-bottom: 1px solid var(--border);
}

.site-header .inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: 1rem 1.125rem;
}

.logo {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.25rem;
  letter-spacing: -0.02em;
  color: var(--text);
}

.nav {
  display: flex;
  gap: 1.75rem;
  flex-wrap: wrap;
}

.nav a {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--text-muted);
}

.nav a:hover {
  color: var(--text);
}

/* Герой */
.hero {
  padding: clamp(3rem, 10vw, 6rem) 0 clamp(4rem, 12vw, 7rem);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  align-items: center;
}

@media (min-width: 860px) {
  .hero-grid {
    grid-template-columns: 1.1fr 0.9fr;
    gap: 3.5rem;
  }
}

.hero-badge {
  display: inline-block;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1rem;
  padding: 0.35rem 0.75rem;
  background: var(--accent-soft);
  border-radius: 999px;
}

.hero h1 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(2.25rem, 5vw, 3.25rem);
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin: 0 0 1rem;
}

.hero-lead {
  font-size: 1.125rem;
  color: var(--text-muted);
  max-width: 36ch;
  margin: 0 0 1.75rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.875rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 600;
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.2s ease;
}

.btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.btn-primary {
  background: linear-gradient(145deg, #d4af37, #a67c00);
  color: #0f1419;
  box-shadow: var(--shadow);
}

.btn-primary:hover {
  transform: translateY(-1px);
  color: #0f1419;
}

.btn-ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}

.btn-ghost:hover {
  background: var(--bg-elevated);
  color: var(--text);
}

.hero-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: calc(var(--radius) + 4px);
  padding: 1.75rem;
  box-shadow: var(--shadow);
  position: relative;
  overflow: hidden;
}

.hero-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, transparent 40%, rgba(201, 162, 39, 0.06));
  pointer-events: none;
}

.hero-card h2 {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 600;
  margin: 0 0 1rem;
  position: relative;
}

.stat-row {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.875rem 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.9375rem;
  position: relative;
}

.stat-row:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

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

.stat-value {
  font-weight: 600;
  text-align: right;
}

/* Секции */
section {
  padding-block: clamp(3rem, 8vw, 5rem);
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3.5vw, 2.25rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  margin: 0 0 0.5rem;
}

.section-sub {
  color: var(--text-muted);
  max-width: 52ch;
  margin: 0 0 2.25rem;
}

/* О себе */
.about-grid {
  display: grid;
  gap: 2rem;
}

@media (min-width: 700px) {
  .about-grid {
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: start;
  }
}

.about-text p {
  margin: 0 0 1rem;
  color: var(--text-muted);
}

.about-text p:last-child {
  margin-bottom: 0;
}

.about-highlight {
  margin: 0;
  padding: 1.25rem 1.5rem;
  border-left: 3px solid var(--accent);
  background: var(--accent-soft);
  border-radius: 0 var(--radius) var(--radius) 0;
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.125rem;
  color: var(--text);
}

/* Услуги */
.services {
  background: rgba(0, 0, 0, 0.2);
  border-block: 1px solid var(--border);
}

.cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

@media (min-width: 640px) {
  .cards {
    grid-template-columns: repeat(3, 1fr);
  }
}

.card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.card:hover {
  border-color: rgba(201, 162, 39, 0.35);
  transform: translateY(-2px);
}

.card-num {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 600;
  color: var(--accent);
  opacity: 0.85;
  line-height: 1;
  margin-bottom: 0.75rem;
}

.card h3 {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 600;
  margin: 0 0 0.5rem;
}

.card p {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--text-muted);
}

/* Контакты */
.contact-box {
  display: grid;
  gap: 1.5rem;
}

@media (min-width: 720px) {
  .contact-box {
    grid-template-columns: 1fr 1fr;
    align-items: stretch;
  }
}

.contact-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.contact-list li {
  padding: 1rem 0;
  border-bottom: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.contact-list li:first-child {
  padding-top: 0;
}

.contact-list span {
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
}

.contact-list a {
  font-size: 1.0625rem;
  font-weight: 600;
}

.contact-cta {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.contact-cta p {
  margin: 0 0 1.25rem;
  color: var(--text-muted);
}

/* Подвал */
.site-footer {
  padding: 2rem 0 2.5rem;
  border-top: 1px solid var(--border);
  text-align: center;
  font-size: 0.875rem;
  color: var(--text-muted);
}

.site-footer p {
  margin: 0;
}

/* Анимация появления */
@media (prefers-reduced-motion: no-preference) {
  .fade-in {
    animation: fadeUp 0.7s ease forwards;
    opacity: 0;
  }

  .fade-in:nth-child(1) {
    animation-delay: 0.05s;
  }

  .fade-in:nth-child(2) {
    animation-delay: 0.12s;
  }

  .fade-in:nth-child(3) {
    animation-delay: 0.19s;
  }

  @keyframes fadeUp {
    from {
      opacity: 0;
      transform: translateY(12px);
    }

    to {
      opacity: 1;
      transform: translateY(0);
    }
  }
}