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

:root {
  --bg-dark: #0a0c14;
  --bg-dark2: #0f1120;
  --bg-light: #12162a;
  --accent: #7c3aed;
  --accent2: #a855f7;
  --accent3: #06b6d4;
  --accent-glow: rgba(124, 58, 237, 0.45);
  --text: #e2e8f0;
  --text-muted: #94a3b8;
  --white: #ffffff;
  --card-bg: rgba(255,255,255,0.04);
  --border: rgba(255,255,255,0.08);
  --radius: 14px;
  --radius-sm: 8px;
  --transition: 0.35s cubic-bezier(0.4,0,0.2,1);
  --font: 'Segoe UI', system-ui, -apple-system, sans-serif;
}

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

body {
  font-family: var(--font);
  background: var(--bg-dark);
  color: var(--text);
  line-height: 1.7;
  overflow-x: hidden;
}

a {
  color: var(--accent2);
  text-decoration: none;
  transition: color var(--transition);
}
a:hover { color: var(--accent3); }

ul { list-style: none; }

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

.container {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ===========================
   HEADER
=========================== */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(10,12,20,0.85);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.logo {
  font-size: 1.55rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  background: linear-gradient(135deg, var(--accent2), var(--accent3));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav {
  display: flex;
  gap: 32px;
  align-items: center;
}

.nav a {
  color: var(--text-muted);
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  position: relative;
}
.nav a::after {
  content: '';
  position: absolute;
  bottom: -2px; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent3));
  transform: scaleX(0);
  transition: transform var(--transition);
  border-radius: 2px;
}
.nav a:hover { color: var(--white); }
.nav a:hover::after { transform: scaleX(1); }

/* Burger */
.burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}
.burger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: var(--transition);
}
.burger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger.active span:nth-child(2) { opacity: 0; }
.burger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ===========================
   HERO
=========================== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding-top: 64px;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 70% at 70% 40%, rgba(124,58,237,0.22) 0%, transparent 70%),
    radial-gradient(ellipse 50% 50% at 20% 70%, rgba(6,182,212,0.15) 0%, transparent 60%),
    linear-gradient(180deg, #0a0c14 0%, #0d0f1e 100%);
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 700px;
  padding: 80px 20px;
}

.hero-title {
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 24px;
  background: linear-gradient(135deg, #fff 30%, var(--accent2) 70%, var(--accent3));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  font-size: 1.1rem;
  color: var(--text-muted);
  margin-bottom: 40px;
  max-width: 560px;
}

.btn-main {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 36px;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  color: #fff;
  font-weight: 700;
  font-size: 1rem;
  border-radius: 50px;
  border: none;
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition);
  box-shadow: 0 0 30px var(--accent-glow);
}
.btn-main:hover {
  transform: translateY(-2px) scale(1.03);
  box-shadow: 0 0 50px rgba(124,58,237,0.65);
  color: #fff;
}

/* Particles */
.hero-particles {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
}
.particle {
  position: absolute;
  border-radius: 50%;
  background: rgba(168,85,247,0.6);
  animation: float linear infinite;
}
@keyframes float {
  0%   { transform: translateY(0) scale(1); opacity: 0.7; }
  50%  { transform: translateY(-40px) scale(1.3); opacity: 0.4; }
  100% { transform: translateY(0) scale(1); opacity: 0.7; }
}

/* ===========================
   SECTIONS GENERAL
=========================== */
.section {
  padding: 90px 0;
}
.section-dark { background: var(--bg-dark); }
.section-light { background: var(--bg-light); }

.section-title {
  font-size: clamp(1.5rem, 3.5vw, 2.2rem);
  font-weight: 800;
  margin-bottom: 18px;
  background: linear-gradient(135deg, var(--white), var(--accent2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.25;
}

.section-desc {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 780px;
  margin-bottom: 48px;
  line-height: 1.8;
}

/* ===========================
   ABOUT
=========================== */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}

.about-text p {
  color: var(--text-muted);
  margin-bottom: 18px;
  font-size: 1rem;
  line-height: 1.85;
}

.about-cards {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.card-glow:hover {
  transform: translateY(-4px);
  border-color: rgba(168,85,247,0.35);
  box-shadow: 0 8px 40px rgba(124,58,237,0.2);
}

.card-icon {
  font-size: 1.8rem;
  margin-bottom: 10px;
}

.card-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 8px;
}

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

/* ===========================
   STEPS
=========================== */
.steps {
  display: flex;
  flex-direction: column;
  gap: 0;
  position: relative;
}
.steps::before {
  content: '';
  position: absolute;
  left: 28px;
  top: 0; bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--accent), var(--accent3));
  border-radius: 2px;
}

.step {
  display: flex;
  gap: 28px;
  align-items: flex-start;
  padding: 28px 0 28px 0;
  position: relative;
}

.step-num {
  flex-shrink: 0;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 0.85rem;
  color: #fff;
  box-shadow: 0 0 20px var(--accent-glow);
  z-index: 1;
}

.step-body h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 8px;
}
.step-body p {
  color: var(--text-muted);
  font-size: 0.97rem;
  line-height: 1.8;
}

/* ===========================
   FEATURES
=========================== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.feature-item {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.feature-item:hover {
  transform: translateY(-5px);
  border-color: rgba(6,182,212,0.3);
  box-shadow: 0 10px 40px rgba(6,182,212,0.12);
}

.feature-icon {
  font-size: 2rem;
  margin-bottom: 14px;
}

.feature-item h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 10px;
}
.feature-item p {
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.75;
}

/* ===========================
   DARKNET / TIMELINE
=========================== */
.darknet-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 56px;
  align-items: start;
}

.darknet-text p {
  color: var(--text-muted);
  margin-bottom: 18px;
  line-height: 1.85;
}

.timeline {
  display: flex;
  flex-direction: column;
  gap: 0;
  position: relative;
}
.timeline::before {
  content: '';
  position: absolute;
  left: 12px;
  top: 6px; bottom: 6px;
  width: 2px;
  background: linear-gradient(180deg, var(--accent2), var(--accent3));
}

.tl-item {
  display: flex;
  gap: 20px;
  padding: 12px 0;
}

.tl-dot {
  flex-shrink: 0;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent3));
  box-shadow: 0 0 12px var(--accent-glow);
  z-index: 1;
  margin-top: 2px;
}

.tl-year {
  display: inline-block;
  font-weight: 800;
  font-size: 0.85rem;
  color: var(--accent2);
  margin-bottom: 4px;
  letter-spacing: 0.05em;
}

.tl-content p {
  color: var(--text-muted);
  font-size: 0.92rem;
  line-height: 1.7;
}

/* ===========================
   SECURITY
=========================== */
.security-blocks {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.sec-block {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  transition: transform var(--transition), border-color var(--transition);
}
.sec-block:hover {
  transform: translateY(-4px);
  border-color: rgba(168,85,247,0.3);
}

.sec-block h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.sec-block h3::before {
  content: '';
  display: inline-block;
  width: 4px;
  height: 18px;
  background: linear-gradient(180deg, var(--accent), var(--accent3));
  border-radius: 2px;
}
.sec-block p {
  color: var(--text-muted);
  font-size: 0.93rem;
  line-height: 1.8;
}

/* ===========================
   TOR INFO
=========================== */
.tor-info-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.tor-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 24px;
  text-align: center;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.tor-card:hover {
  transform: translateY(-5px);
  border-color: rgba(6,182,212,0.35);
  box-shadow: 0 10px 40px rgba(6,182,212,0.15);
}

.tor-icon {
  font-size: 2.4rem;
  margin-bottom: 16px;
}

.tor-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 10px;
}
.tor-card p {
  color: var(--text-muted);
  font-size: 0.92rem;
  line-height: 1.75;
}

/* ===========================
   FAQ
=========================== */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-width: 860px;
}

.faq-item {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color var(--transition);
}
.faq-item.open {
  border-color: rgba(168,85,247,0.4);
}

.faq-question {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 24px;
  background: none;
  border: none;
  color: var(--white);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  text-align: left;
  transition: color var(--transition);
  gap: 16px;
}
.faq-question:hover { color: var(--accent2); }

.faq-arrow {
  font-size: 0.75rem;
  color: var(--accent2);
  flex-shrink: 0;
  transition: transform var(--transition);
}
.faq-item.open .faq-arrow {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.4,0,0.2,1), padding 0.3s;
  padding: 0 24px;
}
.faq-item.open .faq-answer {
  max-height: 300px;
  padding: 0 24px 20px;
}
.faq-answer p {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.8;
}

/* ===========================
   FOOTER
=========================== */
.footer {
  background: #07080f;
  border-top: 1px solid var(--border);
  padding: 60px 0 0;
}

.footer-inner {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1.5fr 1.5fr;
  gap: 40px;
  padding-bottom: 48px;
}

.footer-logo {
  font-size: 1.5rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--accent2), var(--accent3));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 14px;
}

.footer-desc {
  color: var(--text-muted);
  font-size: 0.88rem;
  line-height: 1.7;
}

.footer-col h4 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 16px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-size: 0.8rem;
}

.footer-col ul li {
  margin-bottom: 10px;
}
.footer-col ul a {
  color: var(--text-muted);
  font-size: 0.9rem;
  transition: color var(--transition);
}
.footer-col ul a:hover { color: var(--accent2); }

.footer-col p {
  color: var(--text-muted);
  font-size: 0.88rem;
  line-height: 1.75;
}

.footer-bottom {
  border-top: 1px solid var(--border);
  padding: 20px 0;
  text-align: center;
}
.footer-bottom p {
  color: var(--text-muted);
  font-size: 0.85rem;
}

/* ===========================
   SCROLL REVEAL
=========================== */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===========================
   RESPONSIVE
=========================== */
@media (max-width: 1024px) {
  .about-grid { grid-template-columns: 1fr; }
  .darknet-grid { grid-template-columns: 1fr; }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-inner { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .burger { display: flex; }
  .nav {
    position: absolute;
    top: 64px; left: 0; right: 0;
    flex-direction: column;
    background: rgba(10,12,20,0.97);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--border);
    padding: 0;
    gap: 0;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.3s;
  }
  .nav.open {
    max-height: 400px;
    padding: 16px 0;
  }
  .nav a {
    display: block;
    padding: 14px 24px;
    font-size: 1rem;
    border-bottom: 1px solid var(--border);
  }
  .nav a:last-child { border-bottom: none; }

  .hero-content { padding: 60px 20px; }
  .hero-title { font-size: clamp(1.7rem, 7vw, 2.4rem); }

  .section { padding: 60px 0; }

  .features-grid { grid-template-columns: 1fr; }
  .security-blocks { grid-template-columns: 1fr; }
  .tor-info-grid { grid-template-columns: 1fr; }

  .steps::before { left: 22px; }
  .step-num { width: 44px; height: 44px; font-size: 0.75rem; }

  .footer-inner { grid-template-columns: 1fr; gap: 28px; }

  .section-title { font-size: clamp(1.3rem, 5vw, 1.8rem); }
}

@media (max-width: 480px) {
  .btn-main { padding: 12px 26px; font-size: 0.95rem; }
  .container { padding: 0 16px; }
  .about-cards { gap: 14px; }
}