/* ===== RESET & BASE ===== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --primary: #7c3aed;
  --primary-light: #a78bfa;
  --accent: #06b6d4;
  --dark: #0f0f1a;
  --card-bg: #16162a;
  --text: #e2e8f0;
  --muted: #94a3b8;
  --border: rgba(124, 58, 237, 0.2);
  --gradient: linear-gradient(135deg, #7c3aed, #06b6d4);
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  background: var(--dark);
  color: var(--text);
  line-height: 1.7;
  min-height: 100vh;
}

/* ===== HEADER / HERO ===== */
header {
  position: relative;
  overflow: hidden;
  padding: 100px 20px 80px;
  text-align: center;
  background: radial-gradient(ellipse at 50% 0%, rgba(124, 58, 237, 0.3) 0%, transparent 70%);
}

header::before {
  content: '';
  position: absolute;
  inset: 0;
  background: 
    radial-gradient(circle at 20% 50%, rgba(6, 182, 212, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(124, 58, 237, 0.15) 0%, transparent 50%);
  pointer-events: none;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 32px;
}

.logo-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: var(--gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
  box-shadow: 0 0 30px rgba(124, 58, 237, 0.5);
}

.logo-text {
  font-size: 2rem;
  font-weight: 800;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.5px;
}

header h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 800;
  letter-spacing: -1px;
  line-height: 1.2;
  margin-bottom: 20px;
  background: linear-gradient(135deg, #fff 30%, var(--primary-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

header p.subtitle {
  font-size: 1.15rem;
  color: var(--muted);
  max-width: 640px;
  margin: 0 auto 40px;
}

.hero-badge {
  display: inline-block;
  padding: 8px 20px;
  border-radius: 999px;
  background: rgba(124, 58, 237, 0.15);
  border: 1px solid var(--border);
  color: var(--primary-light);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  margin-bottom: 24px;
}

/* ===== NAV ===== */
nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(15, 15, 26, 0.85);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  padding: 0 20px;
}

.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
}

.nav-logo {
  font-size: 1.2rem;
  font-weight: 800;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-links {
  display: flex;
  gap: 8px;
  list-style: none;
}

.nav-links a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.9rem;
  padding: 6px 14px;
  border-radius: 8px;
  transition: all 0.2s;
}

.nav-links a:hover {
  color: var(--text);
  background: rgba(255,255,255,0.05);
}

/* ===== MAIN CONTAINER ===== */
main {
  max-width: 1100px;
  margin: 0 auto;
  padding: 60px 20px;
}

/* ===== SECTIONS ===== */
section {
  margin-bottom: 80px;
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
}

.section-label::before {
  content: '';
  display: block;
  width: 20px;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
}

.section-title {
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 800;
  letter-spacing: -0.5px;
  margin-bottom: 20px;
  color: #fff;
}

.section-text {
  font-size: 1.05rem;
  color: var(--muted);
  max-width: 760px;
  line-height: 1.8;
}

.section-text + .section-text {
  margin-top: 16px;
}

/* ===== ABOUT BLOCK ===== */
.about-block {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 40px 48px;
  margin-top: 32px;
}

/* ===== FEATURES GRID ===== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
  margin-top: 36px;
}

.feature-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 28px;
  transition: transform 0.2s, border-color 0.2s, box-shadow 0.2s;
}

.feature-card:hover {
  transform: translateY(-4px);
  border-color: rgba(124, 58, 237, 0.5);
  box-shadow: 0 8px 32px rgba(124, 58, 237, 0.15);
}

.feature-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: rgba(124, 58, 237, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  margin-bottom: 16px;
}

.feature-card h3 {
  font-size: 1rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 10px;
}

.feature-card p {
  font-size: 0.9rem;
  color: var(--muted);
  line-height: 1.7;
}

/* ===== FOUNDER CARD ===== */
/* ===== FOUNDER CARD (LEAD & TEAM) ===== */
.founder-card {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 40px;
  align-items: start;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 44px 48px;
  margin-top: 32px;
  position: relative;
  overflow: hidden;
  transition: all 0.3s ease;
}

/* Премиальная карточка Главного Основателя */
.founder-card--lead {
  background: linear-gradient(145deg, #181432 0%, #111126 100%);
  border: 1px solid rgba(167, 139, 250, 0.45);
  box-shadow: 0 12px 40px rgba(124, 58, 237, 0.22), 0 0 0 1px rgba(124, 58, 237, 0.2) inset;
}

.founder-card--lead::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 320px;
  height: 320px;
  background: radial-gradient(circle, rgba(124, 58, 237, 0.18) 0%, transparent 70%);
  pointer-events: none;
}

.founder-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 16px;
  background: linear-gradient(135deg, rgba(124, 58, 237, 0.3), rgba(6, 182, 212, 0.3));
  border: 1px solid rgba(167, 139, 250, 0.5);
  color: #f1f5f9;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  border-radius: 999px;
  margin-bottom: 14px;
  box-shadow: 0 0 15px rgba(124, 58, 237, 0.3);
}

.founder-avatar {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  background: var(--gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 42px;
  flex-shrink: 0;
  box-shadow: 0 0 30px rgba(124, 58, 237, 0.4);
  overflow: hidden;
}

.founder-avatar--lead {
  width: 125px;
  height: 125px;
  border: 3px solid rgba(167, 139, 250, 0.7);
  box-shadow: 0 0 35px rgba(124, 58, 237, 0.6), 0 0 15px rgba(6, 182, 212, 0.4);
}

.founder-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  border-radius: 50%;
}

.founder-name {
  font-size: 1.8rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 4px;
  letter-spacing: -0.5px;
}

.founder-card--lead .founder-name {
  background: linear-gradient(135deg, #ffffff 40%, #c4b5fd 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-size: 2rem;
}

.founder-role {
  font-size: 1rem;
  color: var(--primary-light);
  font-weight: 600;
  margin-bottom: 18px;
}

/* Теги ключевых навыков */
.founder-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 22px;
}

.founder-tag {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 6px;
  background: rgba(124, 58, 237, 0.15);
  border: 1px solid rgba(124, 58, 237, 0.3);
  color: #e2e8f0;
}

.founder-details {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.founder-detail {
  display: flex;
  gap: 12px;
  align-items: flex-start;
}

.founder-detail-icon {
  font-size: 20px;
  margin-top: 2px;
  flex-shrink: 0;
}

.founder-detail p {
  font-size: 0.94rem;
  color: #cbd5e1;
  line-height: 1.65;
}

.founder-detail strong {
  color: #ffffff;
}

/* Карточка помощника команды */
.founder-card--team {
  background: rgba(22, 22, 42, 0.6);
  border: 1px solid rgba(6, 182, 212, 0.25);
  box-shadow: 0 8px 28px rgba(6, 182, 212, 0.08);
  padding: 30px 36px;
}

.founder-card--team .founder-avatar {
  width: 90px;
  height: 90px;
  box-shadow: 0 0 20px rgba(6, 182, 212, 0.25);
  border: 2px solid rgba(6, 182, 212, 0.4);
}

.founder-card--team .founder-name {
  font-size: 1.45rem;
  color: #f1f5f9;
}

.founder-card--team .founder-role {
  font-size: 0.92rem;
  color: var(--accent);
  margin-bottom: 14px;
}

/* Бейдж для разработчика команды */
.founder-badge--dev {
  background: linear-gradient(135deg, rgba(6, 182, 212, 0.2), rgba(14, 165, 233, 0.2));
  border: 1px solid rgba(6, 182, 212, 0.45);
  color: #e0f2fe;
  box-shadow: 0 0 12px rgba(6, 182, 212, 0.2);
}

/* Теги для команды */
.founder-tags--team {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 18px;
}

.founder-tag--team {
  background: rgba(6, 182, 212, 0.1);
  border: 1px solid rgba(6, 182, 212, 0.25);
  color: #cffafe;
}


/* ===== QUOTE ===== */
.quote-block {
  margin-top: 28px;
  padding: 24px 28px;
  border-left: 3px solid var(--primary);
  background: rgba(124, 58, 237, 0.07);
  border-radius: 0 12px 12px 0;
}

.quote-block p {
  font-size: 1rem;
  color: var(--text);
  font-style: italic;
  line-height: 1.8;
}

.quote-block cite {
  display: block;
  margin-top: 10px;
  font-size: 0.85rem;
  color: var(--primary-light);
  font-style: normal;
  font-weight: 600;
}

/* ===== MECHANICS LIST ===== */
.mechanics-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-top: 32px;
}

.mechanic-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 22px 26px;
  transition: border-color 0.2s;
}

.mechanic-item:hover {
  border-color: rgba(124, 58, 237, 0.4);
}

.mechanic-num {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: var(--gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  font-weight: 800;
  color: #fff;
  flex-shrink: 0;
}

.mechanic-item h4 {
  font-size: 0.98rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 6px;
}

.mechanic-item p {
  font-size: 0.88rem;
  color: var(--muted);
  line-height: 1.6;
}

/* ===== CTA ===== */
.cta-section {
  text-align: center;
  padding: 70px 40px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 24px;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 0%, rgba(124, 58, 237, 0.2) 0%, transparent 70%);
  pointer-events: none;
}

.cta-section h2 {
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 800;
  color: #fff;
  margin-bottom: 16px;
}

.cta-section p {
  font-size: 1rem;
  color: var(--muted);
  max-width: 560px;
  margin: 0 auto 32px;
}

.btn-primary {
  display: inline-block;
  padding: 14px 36px;
  border-radius: 12px;
  background: var(--gradient);
  color: #fff;
  font-weight: 700;
  font-size: 1rem;
  text-decoration: none;
  transition: opacity 0.2s, transform 0.2s;
  box-shadow: 0 4px 24px rgba(124, 58, 237, 0.4);
}

.btn-primary:hover {
  opacity: 0.95;
  transform: translateY(-2px);
  box-shadow: 0 6px 30px rgba(124, 58, 237, 0.6);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.06);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.15);
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
  transition: all 0.2s ease;
  backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.3);
  transform: translateY(-2px);
  color: #fff;
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 10px;
}

.hero-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.nav-download-btn {
  padding: 8px 18px !important;
  font-size: 0.88rem !important;
  box-shadow: 0 2px 14px rgba(124, 58, 237, 0.4) !important;
}

.cta-buttons {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

/* ===== FOOTER ===== */
footer {
  border-top: 1px solid var(--border);
  padding: 40px 20px;
  text-align: center;
  background: rgba(15, 15, 26, 0.8);
}

.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
}

.footer-logo {
  font-size: 1.3rem;
  font-weight: 800;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 10px;
}

.footer-copy {
  font-size: 0.85rem;
  color: var(--muted);
}

.footer-author {
  margin-top: 6px;
  font-size: 0.85rem;
  color: var(--muted);
}

.footer-author strong {
  color: var(--primary-light);
}

.footer-nav {
  margin-top: 20px;
  padding-top: 18px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}

.footer-nav a {
  color: var(--muted);
  font-size: 0.88rem;
  text-decoration: none;
  transition: color 0.2s;
}

.footer-nav a:hover {
  color: var(--primary-light);
  text-decoration: underline;
}

.footer-dot {
  color: rgba(255, 255, 255, 0.2);
  font-size: 0.8rem;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 640px) {
  .founder-card {
    grid-template-columns: 1fr;
    padding: 28px 24px;
  }

  .founder-avatar {
    width: 80px;
    height: 80px;
  }

  .founder-avatar--lead {
    width: 96px;
    height: 96px;
  }

  .about-block {
    padding: 28px 24px;
  }

  .nav-links {
    display: none;
  }
}