/* АЙПІЛАЙН — Консультування з питань інформатизації */

:root {
  --color-bg: #f8f9fa;
  --color-surface: #ffffff;
  --color-primary: #0d4f4f;
  --color-primary-light: #166b6b;
  --color-accent: #c4a35a;
  --color-text: #1a1a1a;
  --color-text-muted: #4a5568;
  --color-border: #e2e8f0;
  --font-sans: 'Manrope', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-display: 'Playfair Display', Georgia, serif;
  --max-width: 720px;
  --space: 1.5rem;
  --radius: 8px;
}

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

html {
  font-size: 18px;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-weight: 400;
  line-height: 1.65;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space);
}

/* Header */
.header {
  padding: var(--space) 0;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
}

.logo {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary);
  text-decoration: none;
  letter-spacing: 0.02em;
}

.tagline {
  margin: 0.25rem 0 0;
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

/* Hero */
.hero {
  padding: 3rem 0 3.5rem;
  background: linear-gradient(160deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  color: #fff;
}

.hero-title {
  margin: 0 0 0.5rem;
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 700;
  letter-spacing: 0.02em;
}

.hero-subtitle {
  margin: 0 0 1rem;
  font-size: 1.15rem;
  font-weight: 500;
  opacity: 0.95;
}

.hero-desc {
  margin: 0;
  font-size: 1rem;
  line-height: 1.7;
  opacity: 0.9;
  max-width: 36em;
}

/* Sections */
.section {
  padding: 2.5rem 0;
  background: var(--color-surface);
}

.section:nth-child(even) {
  background: var(--color-bg);
}

.section-title {
  margin: 0 0 1.25rem;
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 600;
  color: var(--color-primary);
}

.content-block {
  color: var(--color-text);
}

.content-block p {
  margin: 0 0 1rem;
}

.content-block p:last-child {
  margin-bottom: 0;
}

.content-block h3 {
  margin: 1.75rem 0 0.5rem;
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--color-primary-light);
}

.content-block h3:first-child {
  margin-top: 0;
}

/* CTA */
.section-cta {
  padding-bottom: 2rem;
}

.cta-text {
  margin: 0;
  font-size: 1.05rem;
  color: var(--color-text-muted);
}

/* Footer — контакти */
.footer {
  padding: 2rem 0;
  background: var(--color-primary);
  color: #fff;
}

.footer-title {
  margin: 0 0 1rem;
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  color: #fff;
}

.footer-contacts {
  margin-bottom: 1.5rem;
}

.contact-block {
  margin-bottom: 0.75rem;
}

.contact-block:last-of-type {
  margin-bottom: 0;
}

.contact-label {
  display: inline-block;
  min-width: 5.5rem;
  font-size: 0.9rem;
  opacity: 0.85;
}

.contact-value {
  color: var(--color-accent);
  font-weight: 500;
  text-decoration: none;
  transition: color 0.2s ease, opacity 0.2s ease;
}

.contact-value:hover {
  color: #fff;
  opacity: 0.95;
}

.footer-copy {
  margin: 0;
  padding-top: 1rem;
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  font-size: 0.85rem;
  opacity: 0.8;
}

/* Адаптив */
@media (max-width: 640px) {
  html {
    font-size: 16px;
  }

  .hero {
    padding: 2rem 0 2.5rem;
  }

  .section {
    padding: 1.75rem 0;
  }

  .contact-label {
    display: block;
    margin-bottom: 0.25rem;
  }
}