:root {
  --bg: #0a0a0f;
  --bg-alt: #11111a;
  --panel: #161622;
  --card: #1d1d2b;
  --text: #e8e8f0;
  --muted: #b9b9c8;
  --primary: #8b5cf6;
  --primary-strong: #7c3aed;
  --accent: #fbbf24;
  --accent-strong: #f59e0b;
  --border: #262637;
  --shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
  --radius: 12px;
  --radius-sm: 8px;
  --spacing: 1rem;
  --max-width: 1200px;
  --header-height: 84px;
  --transition: 180ms ease;
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

html {
  background: var(--bg);
  color: var(--text);
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto;
  }
  html {
    scroll-behavior: auto;
  }
}

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

.no-scroll {
  overflow: hidden;
}

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

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

a:hover,
a:focus-visible {
  color: var(--accent);
}

p {
  margin: 0 0 0.75rem;
  color: var(--muted);
}

h1, h2, h3, h4 {
  margin: 0 0 0.5rem;
  font-weight: 700;
  color: var(--text);
}

h1 { font-size: clamp(2rem, 5vw, 3.25rem); line-height: 1.1; }
h2 { font-size: clamp(1.75rem, 4vw, 2.5rem); }
h3 { font-size: clamp(1.2rem, 3vw, 1.5rem); }
h4 { font-size: clamp(1.05rem, 2.5vw, 1.25rem); }

.eyebrow {
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.85rem;
  color: var(--primary);
  margin-bottom: 0.5rem;
}

.headline {
  font-size: clamp(1.35rem, 4vw, 1.7rem);
  color: var(--text);
  margin-bottom: 0.4rem;
}

.subhead {
  font-size: clamp(1rem, 3vw, 1.1rem);
  color: var(--muted);
  margin-bottom: 1rem;
}

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.25rem;
}

.section {
  padding: clamp(3rem, 6vw, 5rem) 0;
  scroll-margin-top: var(--header-height);
}

.section-header {
  max-width: 720px;
  margin-bottom: 1.75rem;
}

.section-sub {
  color: var(--muted);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(10, 10, 15, 0.9);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
  height: var(--header-height);
  display: flex;
  align-items: center;
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.brand-mark {
  background: var(--primary);
  color: #0a0715;
  padding: 0.4rem 0.55rem;
  border-radius: var(--radius-sm);
  font-weight: 800;
}

.brand-name {
  color: var(--text);
}

.nav ul {
  list-style: none;
  display: flex;
  gap: 1rem;
  margin: 0;
  padding: 0;
}

.nav a {
  padding: 0.35rem 0.5rem;
  border-radius: 6px;
  color: var(--muted);
  font-weight: 500;
}

.nav a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  min-height: 44px;
  padding: 0.65rem 1.2rem;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  font-weight: 600;
  cursor: pointer;
  transition: background var(--transition), border-color var(--transition), color var(--transition), transform var(--transition);
  background: none;
  color: var(--text);
}

.btn-primary {
  background: var(--accent);
  color: #0f0c04;
  border-color: var(--accent);
}

.btn-primary:hover,
.btn-primary:focus-visible {
  background: var(--accent-strong);
  border-color: var(--accent-strong);
  color: #0a0702;
}

.btn-outline {
  border-color: var(--primary);
  color: var(--primary);
}

.btn-outline:hover,
.btn-outline:focus-visible {
  background: rgba(139, 92, 246, 0.12);
}

.btn-small {
  padding: 0.5rem 0.9rem;
}

.menu-toggle {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--panel);
  display: none;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background var(--transition), border-color var(--transition);
}

.menu-toggle:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.menu-icon,
.menu-icon::before,
.menu-icon::after {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--text);
  border-radius: 999px;
  position: relative;
}

.menu-icon::before,
.menu-icon::after {
  content: "";
  position: absolute;
  left: 0;
}

.menu-icon::before { top: -6px; }
.menu-icon::after { top: 6px; }

.hero {
  padding: clamp(3.5rem, 7vw, 5.5rem) 0 clamp(3rem, 6vw, 4.5rem);
  background: radial-gradient(circle at 20% 20%, rgba(139, 92, 246, 0.09), transparent 32%),
              radial-gradient(circle at 80% 10%, rgba(251, 191, 36, 0.08), transparent 30%),
              var(--bg);
}

.hero-content {
  display: grid;
  gap: 1.5rem;
}

.hero-text {
  max-width: 720px;
}

.cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin: 1.1rem 0 0.6rem;
}

.chips {
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
}

.chip {
  background: var(--panel);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 0.35rem 0.8rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
}

.cards {
  display: grid;
  gap: 1rem;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.1rem;
  box-shadow: var(--shadow);
  transition: border-color var(--transition), transform var(--transition);
}

.card:hover,
.card:focus-within {
  border-color: var(--primary);
  transform: translateY(-2px);
}

.card h3, .card h4 { margin-bottom: 0.35rem; }
.card p { margin-bottom: 0; }

.card.compact {
  padding: 0.9rem 1rem;
}

.grid-2 { grid-template-columns: 1fr; }
.grid-3 { grid-template-columns: 1fr; }

.steps {
  display: grid;
  gap: 1rem;
  grid-template-columns: 1fr;
}

.step {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.9rem;
  padding: 1rem;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.step-number {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: rgba(139, 92, 246, 0.16);
  color: var(--primary);
  font-weight: 700;
  display: grid;
  place-items: center;
  border: 1px solid rgba(139, 92, 246, 0.4);
}

.checklist {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0.75rem;
}

.checklist li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.5rem;
  align-items: start;
  background: var(--panel);
  border: 1px solid var(--border);
  padding: 0.9rem 1rem;
  border-radius: var(--radius);
}

.check {
  color: var(--accent);
  font-weight: 700;
}

.about {
  display: grid;
  gap: 0.9rem;
  margin-bottom: 1.5rem;
}

.contact-form {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  max-width: 720px;
  box-shadow: var(--shadow);
}

.form-group {
  display: grid;
  gap: 0.4rem;
  margin-bottom: 1rem;
}

input, textarea {
  width: 100%;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 0.7rem 0.8rem;
  border-radius: var(--radius-sm);
  font: inherit;
}

input:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

textarea { resize: vertical; }

.error {
  color: #f97373;
  min-height: 1.2rem;
  margin: 0;
  font-size: 0.9rem;
}

.form-status {
  color: var(--accent);
  min-height: 1.2rem;
  margin-top: 0.5rem;
}

.small-note {
  font-size: 0.95rem;
  color: var(--muted);
}

.footer {
  border-top: 1px solid var(--border);
  padding: 1.25rem 0;
  background: #0a0a0f;
}

.footer-content {
  display: flex;
  justify-content: center;
  align-items: center;
  color: var(--muted);
}

.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.65);
  display: grid;
  place-items: center;
  padding: 1rem;
  z-index: 1200;
}

.modal {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  width: min(640px, 100%);
  max-height: 90vh;
  overflow: auto;
  box-shadow: var(--shadow);
  position: relative;
}

.modal-header {
  margin-bottom: 1rem;
}

.modal-close {
  position: absolute;
  top: 0.6rem;
  right: 0.6rem;
  background: var(--panel);
  border: 1px solid var(--border);
  color: var(--text);
  width: 38px;
  height: 38px;
  border-radius: 10px;
  cursor: pointer;
}

.modal-close:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.menu-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  display: flex;
  justify-content: flex-end;
  z-index: 1150;
  padding: 0;
}

.menu-panel {
  background: var(--card);
  width: min(320px, 80%);
  height: 100%;
  border-left: 1px solid var(--border);
  padding: 1.25rem;
  display: grid;
  grid-template-rows: auto 1fr auto;
  gap: 1rem;
  position: relative;
}

.menu-close {
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
  background: var(--panel);
  border: 1px solid var(--border);
  color: var(--text);
  width: 38px;
  height: 38px;
  border-radius: 10px;
  cursor: pointer;
}

.menu-close:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.menu-links {
  list-style: none;
  padding: 0;
  margin: 2.5rem 0 0;
  display: grid;
  gap: 0.6rem;
}

.menu-links a {
  display: block;
  padding: 0.7rem 0.8rem;
  border-radius: var(--radius-sm);
  color: var(--text);
  background: var(--panel);
  border: 1px solid var(--border);
}

.menu-links a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 8px;
  background: var(--accent);
  color: #0f0c04;
  padding: 0.6rem 0.9rem;
  border-radius: var(--radius-sm);
  z-index: 1300;
}

.skip-link:focus {
  left: 8px;
}

@media (min-width: 480px) {
  .cards { gap: 1.15rem; }
}

@media (min-width: 768px) {
  .menu-toggle { display: none; }
  .nav { display: block; }
  .grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .steps { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 767px) {
  .nav { display: none; }
  .menu-toggle { display: inline-flex; }
  .header-actions { gap: 0.5rem; }
  .btn-small { display: none; }
  .menu-panel { width: min(360px, 86%); }
}

@media (min-width: 1024px) {
  .hero-content { grid-template-columns: repeat(2, minmax(0, 1fr)); align-items: center; }
  .steps { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (max-width: 479px) {
  .hero { padding-top: 3.25rem; }
  .btn { width: 100%; }
  .cta-group { flex-direction: column; }
}