:root {
  --bg: #05030f;
  --panel: #0d0a1f;
  --border: rgba(139, 92, 246, 0.35);
  --purple: #8b5cf6;
  --purple-light: #a78bfa;
  --purple-dark: #6d28d9;
  --text: #f5f3ff;
  --text-muted: #a1a1b5;
  --radius: 14px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.6;
}

a { color: inherit; text-decoration: none; }

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

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(5, 3, 15, 0.9);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(139, 92, 246, 0.15);
}

.header-inner {
  max-width: 1800px;
  margin: 0 auto;
  padding: 18px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: relative;
}

.logo img { height: 40px; width: auto; }

.menu-toggle {
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text);
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.menu-toggle:hover { border-color: var(--purple); }

.nav-menu {
  display: none;
  flex-direction: column;
  position: absolute;
  top: 62px;
  right: 24px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 10px;
  min-width: 200px;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.45);
}

.nav-menu.open { display: flex; }

.nav-menu a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  border-radius: 10px;
  color: var(--text);
  font-size: 15px;
}

.nav-menu a:hover { background: rgba(139, 92, 246, 0.15); color: var(--purple-light); }

.nav-menu svg { width: 18px; height: 18px; flex-shrink: 0; }

.nav-menu hr {
  border: none;
  border-top: 1px solid rgba(139, 92, 246, 0.2);
  margin: 6px 4px;
}

/* Hero */
.hero-inner {
  max-width: 1800px;
  margin: 0 auto;
  padding: 60px 110px 40px;
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 40px;
  align-items: center;
}

.hero-text h1 {
  font-size: 52px;
  line-height: 1.12;
  margin: 0 0 20px;
  font-weight: 800;
  letter-spacing: -0.5px;
}

.accent {
  color: var(--purple-light);
  background: linear-gradient(90deg, var(--purple-light), var(--purple));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-sub {
  color: var(--text-muted);
  font-size: 17px;
  max-width: 520px;
  margin-bottom: 30px;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 26px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 15px;
  border: 1px solid transparent;
  cursor: pointer;
}

.btn svg { width: 18px; height: 18px; }

.btn-primary {
  background: linear-gradient(90deg, var(--purple), var(--purple-dark));
  color: #fff;
}

.btn-primary:hover { filter: brightness(1.08); }

.btn-outline {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.25);
  color: var(--text);
}

.btn-outline:hover { border-color: var(--purple-light); }

.hero-image img { border-radius: 0; }

/* Services */
.services {
  max-width: 1800px;
  margin: 20px auto 90px;
  padding: 0 24px;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
}

.service {
  text-align: center;
  padding: 0 12px;
}

.service-icon {
  width: 48px;
  height: 48px;
  margin: 0 auto 14px;
  border-radius: 12px;
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--purple-light);
}

.service-icon svg { width: 22px; height: 22px; }

.service h3 {
  margin: 0 0 8px;
  font-size: 16px;
  min-height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.service p { margin: 0; color: var(--text-muted); font-size: 13.5px; line-height: 1.55; }

/* Features */
.features {
  max-width: 1800px;
  margin: 20px auto 80px;
  padding: 0 24px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
}

.feature { text-align: center; }

.feature-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--purple-light);
  margin: 0 auto 14px;
}

.feature-icon svg { width: 22px; height: 22px; }

.feature h3 {
  margin: 0 0 6px;
  font-size: 17px;
  min-height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.feature p { margin: 0; color: var(--text-muted); font-size: 14px; }

/* Contact */
.contact {
  border-top: 1px solid rgba(139, 92, 246, 0.15);
  padding: 70px 24px;
}

.contact-inner { max-width: 640px; margin: 0 auto; text-align: center; }

.contact h2 { font-size: 32px; margin: 0 0 8px; }

.contact-sub { color: var(--text-muted); margin-bottom: 30px; }

.contact-form { text-align: left; display: flex; flex-direction: column; gap: 16px; }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

.input {
  width: 100%;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 13px 16px;
  color: var(--text);
  font-size: 15px;
  font-family: inherit;
}

.input:focus {
  outline: none;
  border-color: var(--purple);
}

.textarea { resize: vertical; }

.contact-form .btn { align-self: flex-start; }

/* Messages */
.messages { max-width: 1800px; margin: 16px auto 0; padding: 0 24px; }

.message {
  padding: 12px 16px;
  border-radius: 10px;
  margin-bottom: 10px;
  font-size: 14px;
}

.message.success { background: rgba(34, 197, 94, 0.12); border: 1px solid rgba(34, 197, 94, 0.4); color: #86efac; }

.message.error { background: rgba(239, 68, 68, 0.12); border: 1px solid rgba(239, 68, 68, 0.4); color: #fca5a5; }

/* Portal pages */
.portal { max-width: 640px; margin: 0 auto; padding: 80px 24px; }

.portal h1 { font-size: 30px; margin: 0 0 8px; }

.portal-sub { color: var(--text-muted); margin-bottom: 34px; }

.portal-grid { display: grid; gap: 14px; }

.portal-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 22px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 17px;
  font-weight: 600;
}

.portal-card:hover { border-color: var(--purple); background: rgba(139, 92, 246, 0.1); }

.portal-card svg { width: 20px; height: 20px; color: var(--purple-light); }

.back-link { display: inline-block; margin-bottom: 18px; color: var(--text-muted); font-size: 14px; }

.back-link:hover { color: var(--purple-light); }

.code-form { display: flex; flex-direction: column; gap: 16px; }

.code-form .btn { width: 100%; justify-content: center; }

/* Footer */
.site-footer {
  text-align: center;
  padding: 28px 24px;
  color: var(--text-muted);
  font-size: 13px;
  border-top: 1px solid rgba(139, 92, 246, 0.15);
}

/* Responsive */
@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; padding: 40px 24px; }
  .hero-image { order: -1; }
  .features { grid-template-columns: repeat(2, 1fr); }
  .services-grid { grid-template-columns: repeat(2, 1fr); gap: 32px 20px; }
  .form-row { grid-template-columns: 1fr; }
}

@media (max-width: 520px) {
  .hero-text h1 { font-size: 32px; }
  .features { grid-template-columns: 1fr; }
  .services-grid { grid-template-columns: 1fr; gap: 28px; }
}