/* ============================================
   DMITRI ROMANOVSKI - PERSONAL SITE
   ============================================ */

:root {
  --color-dark: #0f172a;
  --color-dark-mid: #1e293b;
  --color-dark-light: #334155;
  --color-text: #1e293b;
  --color-text-secondary: #64748b;
  --color-text-muted: #94a3b8;
  --color-text-on-dark: #f1f5f9;
  --color-text-on-dark-muted: #94a3b8;
  --color-accent: #f97316;
  --color-accent-hover: #ea580c;
  --color-accent-light: #fff7ed;
  --color-surface: #ffffff;
  --color-bg: #fafafa;
  --color-border: #e2e8f0;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-display: 'Playfair Display', Georgia, serif;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
}

body {
  font-family: var(--font-sans);
  color: var(--color-text);
  line-height: 1.6;
  background: var(--color-bg);
}

.container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 24px;
}

.container-narrow {
  max-width: 800px;
}

/* ============ BUTTONS ============ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 8px;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.2s ease;
  border: none;
  line-height: 1.4;
}

.btn-accent {
  background: var(--color-accent);
  color: #fff;
  box-shadow: 0 2px 12px rgba(249, 115, 22, 0.3);
}
.btn-accent:hover {
  background: var(--color-accent-hover);
  box-shadow: 0 4px 20px rgba(249, 115, 22, 0.4);
  transform: translateY(-1px);
}

.btn-outline-light {
  background: transparent;
  color: var(--color-text-on-dark);
  border: 2px solid rgba(255,255,255,0.3);
}
.btn-outline-light:hover {
  border-color: rgba(255,255,255,0.6);
  background: rgba(255,255,255,0.08);
}

.btn-lg {
  padding: 16px 36px;
  font-size: 1.05rem;
  border-radius: 10px;
}

/* ============ SECTION HELPERS ============ */
.section-tag {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-accent);
  margin-bottom: 12px;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 20px;
  color: var(--color-text);
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--color-text-secondary);
  max-width: 600px;
  margin: 0 auto 48px;
  text-align: center;
  line-height: 1.7;
}

/* ============ HERO ============ */
.hero {
  background: var(--color-dark);
  color: var(--color-text-on-dark);
  padding: 80px 24px 100px;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: -200px;
  right: -200px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(249,115,22,0.08) 0%, transparent 70%);
  pointer-events: none;
}

.hero-inner {
  max-width: 1080px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 60px;
}

.hero-text {
  flex: 1;
}

.hero-greeting {
  font-size: 1.1rem;
  color: var(--color-accent);
  font-weight: 600;
  margin-bottom: 16px;
}

.hero-headline {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 24px;
}
.hero-headline em {
  font-style: italic;
  color: var(--color-accent);
}

.hero-sub {
  font-size: 1.05rem;
  color: var(--color-text-on-dark-muted);
  line-height: 1.7;
  margin-bottom: 36px;
  max-width: 520px;
}

.hero-ctas {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-photo {
  flex-shrink: 0;
}
.hero-photo img {
  width: 340px;
  height: 340px;
  border-radius: 20px;
  object-fit: cover;
  border: 4px solid rgba(255,255,255,0.1);
  box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}

/* ============ CREDIBILITY BAR ============ */
.credibility-bar {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  padding: 32px 24px;
}

.credibility-label {
  text-align: center;
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-muted);
  margin-bottom: 20px;
}

.credibility-logos {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 32px;
  flex-wrap: wrap;
}

.logo-text {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--color-text-secondary);
  letter-spacing: 0.02em;
  opacity: 0.7;
}

/* ============ ABOUT ============ */
.about {
  padding: 100px 24px;
  background: var(--color-surface);
}

.about .section-tag,
.about .section-title {
  text-align: center;
}

.about-body {
  max-width: 640px;
  margin: 0 auto;
}

.about-body p {
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--color-text-secondary);
  margin-bottom: 20px;
}
.about-body p:last-child {
  margin-bottom: 0;
}
.about-body strong {
  color: var(--color-text);
  font-weight: 600;
}
.about-body em {
  font-style: italic;
}

/* ============ SERVICES ============ */
.services {
  padding: 100px 24px;
  background: var(--color-bg);
}

.services .section-tag,
.services .section-title {
  text-align: center;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.service-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 16px;
  padding: 36px 28px;
  transition: all 0.2s ease;
}
.service-card:hover {
  border-color: var(--color-accent);
  box-shadow: 0 4px 20px rgba(249,115,22,0.08);
  transform: translateY(-2px);
}

.service-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: 12px;
  background: var(--color-accent-light);
  color: var(--color-accent);
  margin-bottom: 20px;
}

.service-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--color-text);
}

.service-card p {
  font-size: 0.92rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
}

/* ============ STATS BAR ============ */
.stats-bar {
  background: var(--color-dark);
  padding: 60px 24px;
}

.stats-grid {
  display: flex;
  justify-content: center;
  gap: 64px;
  flex-wrap: wrap;
}

.stat {
  text-align: center;
}

.stat-number {
  display: block;
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--color-accent);
  line-height: 1;
  margin-bottom: 8px;
}

.stat-label {
  font-size: 0.82rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-on-dark-muted);
}

/* ============ QUIZ CTA ============ */
.quiz-cta {
  padding: 100px 24px;
  background: var(--color-surface);
}

.quiz-cta-card {
  display: flex;
  align-items: center;
  gap: 48px;
  background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
  border-radius: 24px;
  padding: 56px 48px;
  color: var(--color-text-on-dark);
  overflow: hidden;
  position: relative;
}

.quiz-cta-text {
  flex: 1;
}

.quiz-cta-text .section-tag {
  color: var(--color-accent);
}

.quiz-cta-text h2 {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3.5vw, 2rem);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 16px;
}

.quiz-cta-text p {
  font-size: 1rem;
  color: var(--color-text-on-dark-muted);
  line-height: 1.7;
  margin-bottom: 28px;
}

.quiz-cta-visual {
  flex-shrink: 0;
  width: 220px;
}

.personality-preview {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.preview-card {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 10px;
  padding: 12px 16px;
  font-size: 0.82rem;
  font-weight: 600;
  color: rgba(255,255,255,0.7);
  text-align: center;
  transition: all 0.3s ease;
}
.preview-card:hover {
  background: rgba(249,115,22,0.1);
  border-color: rgba(249,115,22,0.3);
  color: var(--color-accent);
}

/* ============ CTA SECTION ============ */
.cta-section {
  padding: 100px 24px;
  background: var(--color-bg);
  text-align: center;
}

.cta-body {
  font-size: 1.1rem;
  color: var(--color-text-secondary);
  line-height: 1.8;
  max-width: 560px;
  margin: 0 auto 16px;
}

.cta-note {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  font-weight: 500;
  font-style: italic;
  margin-bottom: 32px;
}

/* ============ FOOTER ============ */
.footer {
  background: var(--color-dark);
  color: var(--color-text-on-dark-muted);
  padding: 48px 24px 32px;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
}

.footer-name {
  font-weight: 700;
  font-size: 1rem;
  color: var(--color-text-on-dark);
}

.footer-links {
  display: flex;
  gap: 16px;
}
.footer-links a {
  color: var(--color-text-on-dark-muted);
  transition: color 0.2s ease;
}
.footer-links a:hover {
  color: var(--color-accent);
}

.footer-copy {
  font-size: 0.78rem;
  color: var(--color-text-on-dark-muted);
  opacity: 0.6;
}

/* ============ RESPONSIVE ============ */
@media (max-width: 768px) {
  .hero {
    padding: 60px 24px 80px;
  }
  .hero-inner {
    flex-direction: column-reverse;
    text-align: center;
    gap: 40px;
  }
  .hero-sub {
    margin-left: auto;
    margin-right: auto;
  }
  .hero-ctas {
    justify-content: center;
  }
  .hero-photo img {
    width: 240px;
    height: 240px;
    border-radius: 50%;
  }

  .services-grid {
    grid-template-columns: 1fr;
  }

  .stats-grid {
    gap: 32px;
  }
  .stat-number {
    font-size: 2rem;
  }

  .quiz-cta-card {
    flex-direction: column;
    padding: 40px 28px;
  }
  .quiz-cta-visual {
    width: 100%;
  }
  .personality-preview {
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
  }
  .preview-card {
    flex: 0 0 auto;
  }

  .footer-inner {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .hero-headline {
    font-size: 1.7rem;
  }
  .credibility-logos {
    gap: 20px;
  }
  .logo-text {
    font-size: 0.82rem;
  }
  .hero-ctas {
    flex-direction: column;
    align-items: center;
  }
  .btn {
    width: 100%;
    max-width: 280px;
  }
}