:root {
  --bg: #0f1419;
  --card: #1a2332;
  --border: #2d3a4f;
  --accent: #3b82f6;
  --accent-hover: #2563eb;
  --muted: #94a3b8;
  --text: #f1f5f9;
  --success: #34d399;
  --radius: 0.75rem;
  --font: "Inter", system-ui, -apple-system, sans-serif;
  --max: 72rem;
  --nav-h: 4.25rem;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

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

.container {
  width: min(100% - 2rem, var(--max));
  margin-inline: auto;
}

/* Background */
.bg-mesh {
  position: fixed;
  inset: 0;
  z-index: -2;
  overflow: hidden;
  pointer-events: none;
}

.bg-mesh::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(45, 58, 79, 0.35) 1px, transparent 1px),
    linear-gradient(90deg, rgba(45, 58, 79, 0.35) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, black, transparent);
  opacity: 0.4;
}

.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.45;
  animation: float 18s ease-in-out infinite;
}

.orb-1 {
  width: 520px;
  height: 520px;
  background: #1d4ed8;
  top: -120px;
  left: -80px;
}

.orb-2 {
  width: 420px;
  height: 420px;
  background: #0ea5e9;
  top: 20%;
  right: -100px;
  animation-delay: -6s;
}

.orb-3 {
  width: 360px;
  height: 360px;
  background: #6366f1;
  bottom: 10%;
  left: 30%;
  animation-delay: -12s;
  opacity: 0.25;
}

@keyframes float {
  0%,
  100% {
    transform: translate(0, 0) scale(1);
  }
  50% {
    transform: translate(24px, -16px) scale(1.05);
  }
}

/* Nav */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  height: var(--nav-h);
  border-bottom: 1px solid rgba(45, 58, 79, 0.6);
  background: rgba(15, 20, 25, 0.82);
  backdrop-filter: blur(12px);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: 1rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-weight: 600;
  font-size: 1.125rem;
  letter-spacing: -0.02em;
}

.logo-mark {
  width: 2rem;
  height: 2rem;
  border-radius: 0.5rem;
  background: linear-gradient(135deg, var(--accent), #6366f1);
  display: grid;
  place-items: center;
  box-shadow: 0 0 24px rgba(59, 130, 246, 0.35);
}

.logo-mark svg {
  width: 1.1rem;
  height: 1.1rem;
}

.nav-links {
  display: none;
  align-items: center;
  gap: 1.75rem;
  font-size: 0.875rem;
  color: var(--muted);
}

.nav-links a:hover {
  color: var(--text);
}

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

.nav-toggle {
  display: flex;
  padding: 0.5rem;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  cursor: pointer;
}

@media (min-width: 768px) {
  .nav-links {
    display: flex;
  }
  .nav-toggle {
    display: none;
  }
}

.mobile-menu {
  display: none;
  position: fixed;
  top: var(--nav-h);
  left: 0;
  right: 0;
  padding: 1rem;
  background: rgba(15, 20, 25, 0.96);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(12px);
}

.mobile-menu.open {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.mobile-menu a {
  padding: 0.75rem 1rem;
  border-radius: var(--radius);
  color: var(--muted);
}

.mobile-menu a:hover {
  background: var(--card);
  color: var(--text);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.625rem 1.125rem;
  font-size: 0.875rem;
  font-weight: 500;
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  transition: background 0.2s, transform 0.15s, box-shadow 0.2s;
  font-family: inherit;
}

.btn:active {
  transform: scale(0.98);
}

.btn-primary {
  background: var(--accent);
  color: white;
  box-shadow: 0 4px 24px rgba(59, 130, 246, 0.35);
}

.btn-primary:hover {
  background: var(--accent-hover);
}

.btn-secondary {
  background: var(--card);
  color: var(--text);
  border: 1px solid var(--border);
}

.btn-secondary:hover {
  background: #243044;
}

.btn-ghost {
  background: transparent;
  color: var(--muted);
}

.btn-ghost:hover {
  color: var(--text);
}

.btn-lg {
  padding: 0.875rem 1.5rem;
  font-size: 0.9375rem;
}

/* Badge */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.85rem;
  font-size: 0.75rem;
  font-weight: 500;
  border-radius: 999px;
  background: rgba(59, 130, 246, 0.12);
  border: 1px solid rgba(59, 130, 246, 0.25);
  color: #93c5fd;
}

.badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 8px var(--success);
}

/* Hero */
.hero {
  padding: 4rem 0 5rem;
}

@media (min-width: 768px) {
  .hero {
    padding: 5.5rem 0 6rem;
  }
}

.hero-grid {
  display: grid;
  gap: 3rem;
  align-items: center;
}

@media (min-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr 1.05fr;
    gap: 2.5rem;
  }
}

.hero h1 {
  margin: 1.25rem 0 1rem;
  font-size: clamp(2.25rem, 5vw, 3.25rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.03em;
}

.hero h1 span {
  background: linear-gradient(135deg, #fff 30%, #93c5fd 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-lead {
  font-size: 1.125rem;
  color: var(--muted);
  max-width: 32rem;
  margin: 0 0 2rem;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 2rem;
}

.hero-trust {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  font-size: 0.8125rem;
  color: var(--muted);
}

.hero-trust strong {
  display: block;
  color: var(--text);
  font-size: 1rem;
}

/* Preview mock */
.preview {
  border-radius: 1rem;
  border: 1px solid var(--border);
  background: var(--card);
  box-shadow:
    0 0 0 1px rgba(255, 255, 255, 0.03) inset,
    0 24px 80px rgba(0, 0, 0, 0.45);
  overflow: hidden;
}

.preview-bar {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border);
  background: rgba(15, 20, 25, 0.6);
}

.preview-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #475569;
}

.preview-dot:nth-child(1) {
  background: #ef4444;
}
.preview-dot:nth-child(2) {
  background: #f59e0b;
}
.preview-dot:nth-child(3) {
  background: #22c55e;
}

.preview-url {
  flex: 1;
  margin-left: 0.75rem;
  padding: 0.35rem 0.75rem;
  font-size: 0.6875rem;
  color: var(--muted);
  background: var(--bg);
  border-radius: 0.375rem;
  border: 1px solid var(--border);
}

.preview-body {
  display: grid;
  grid-template-columns: 140px 1fr;
  min-height: 280px;
}

.preview-sidebar {
  padding: 1rem 0.75rem;
  border-right: 1px solid var(--border);
  background: rgba(15, 20, 25, 0.5);
}

.preview-logo-sm {
  font-size: 0.75rem;
  font-weight: 600;
  margin-bottom: 1rem;
  padding: 0 0.5rem;
}

.preview-nav-item {
  padding: 0.45rem 0.65rem;
  margin-bottom: 0.25rem;
  font-size: 0.6875rem;
  color: var(--muted);
  border-radius: 0.375rem;
}

.preview-nav-item.active {
  background: rgba(59, 130, 246, 0.15);
  color: #93c5fd;
}

.preview-main {
  padding: 1rem 1.25rem;
}

.preview-title {
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.preview-sub {
  font-size: 0.6875rem;
  color: var(--muted);
  margin-bottom: 1rem;
}

.preview-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.preview-stat {
  padding: 0.65rem;
  border-radius: 0.5rem;
  border: 1px solid var(--border);
  background: var(--bg);
}

.preview-stat span {
  display: block;
  font-size: 0.5625rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.preview-stat strong {
  font-size: 1rem;
}

.preview-table {
  border: 1px solid var(--border);
  border-radius: 0.5rem;
  overflow: hidden;
  font-size: 0.625rem;
}

.preview-row {
  display: grid;
  grid-template-columns: 1fr 0.6fr 0.5fr;
  padding: 0.45rem 0.65rem;
  border-bottom: 1px solid var(--border);
}

.preview-row:last-child {
  border-bottom: none;
}

.preview-row.head {
  background: rgba(15, 20, 25, 0.8);
  color: var(--muted);
  font-weight: 500;
}

.preview-row .status {
  color: var(--success);
}

/* Sections */
section {
  padding: 5rem 0;
}

.section-label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: #60a5fa;
  margin-bottom: 0.75rem;
}

.section-title {
  font-size: clamp(1.75rem, 3.5vw, 2.25rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 0 0 1rem;
  line-height: 1.2;
}

.section-lead {
  color: var(--muted);
  font-size: 1.0625rem;
  max-width: 40rem;
  margin: 0 0 3rem;
}

.strip {
  padding: 2rem 0;
  border-block: 1px solid var(--border);
  background: rgba(26, 35, 50, 0.4);
}

.strip-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 2rem 3rem;
  font-size: 0.875rem;
  color: var(--muted);
}

.strip-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.strip-item svg {
  width: 1.25rem;
  height: 1.25rem;
  opacity: 0.7;
}

/* Cards grid */
.grid-3 {
  display: grid;
  gap: 1.25rem;
}

@media (min-width: 640px) {
  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .grid-3 {
    grid-template-columns: repeat(3, 1fr);
  }
}

.card {
  padding: 1.5rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--card);
  transition: border-color 0.2s, box-shadow 0.2s;
}

.card:hover {
  border-color: rgba(59, 130, 246, 0.4);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
}

.card-icon {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 0.625rem;
  display: grid;
  place-items: center;
  background: rgba(59, 130, 246, 0.12);
  color: #93c5fd;
  margin-bottom: 1rem;
}

.card h3 {
  margin: 0 0 0.5rem;
  font-size: 1rem;
  font-weight: 600;
}

.card p {
  margin: 0;
  font-size: 0.875rem;
  color: var(--muted);
}

/* Steps */
.steps {
  display: grid;
  gap: 1.5rem;
}

@media (min-width: 768px) {
  .steps {
    grid-template-columns: repeat(3, 1fr);
  }
}

.step {
  position: relative;
  padding: 1.75rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: linear-gradient(180deg, var(--card) 0%, rgba(26, 35, 50, 0.6) 100%);
}

.step-num {
  font-size: 2.5rem;
  font-weight: 700;
  line-height: 1;
  color: rgba(59, 130, 246, 0.25);
  margin-bottom: 0.75rem;
}

.step h3 {
  margin: 0 0 0.5rem;
  font-size: 1.0625rem;
}

.step p {
  margin: 0;
  font-size: 0.875rem;
  color: var(--muted);
}

/* Split */
.split {
  display: grid;
  gap: 2.5rem;
  align-items: center;
  padding: 3rem;
  border-radius: 1rem;
  border: 1px solid var(--border);
  background: linear-gradient(135deg, rgba(26, 35, 50, 0.9), rgba(15, 20, 25, 0.95));
}

@media (min-width: 768px) {
  .split {
    grid-template-columns: 1fr 1fr;
    padding: 3.5rem;
  }
}

.check-list {
  list-style: none;
  padding: 0;
  margin: 1.5rem 0 0;
}

.check-list li {
  display: flex;
  gap: 0.75rem;
  margin-bottom: 0.875rem;
  font-size: 0.9375rem;
  color: var(--muted);
}

.check-list svg {
  flex-shrink: 0;
  width: 1.25rem;
  height: 1.25rem;
  color: var(--success);
  margin-top: 0.1rem;
}

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

.compare-card {
  padding: 1.25rem 1.5rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

.compare-card.good {
  border-color: rgba(59, 130, 246, 0.45);
  background: rgba(59, 130, 246, 0.06);
}

.compare-card h4 {
  margin: 0 0 0.35rem;
  font-size: 0.875rem;
}

.compare-card p {
  margin: 0;
  font-size: 0.8125rem;
  color: var(--muted);
}

/* Roles */
.roles {
  display: grid;
  gap: 1.25rem;
}

@media (min-width: 768px) {
  .roles {
    grid-template-columns: 1fr 1fr;
  }
}

.role-card {
  padding: 2rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--card);
}

.role-tag {
  display: inline-block;
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.25rem 0.6rem;
  border-radius: 0.25rem;
  margin-bottom: 1rem;
}

.role-tag.admin {
  background: rgba(59, 130, 246, 0.15);
  color: #93c5fd;
}

.role-tag.client {
  background: rgba(52, 211, 153, 0.12);
  color: var(--success);
}

/* CTA */
.cta-block {
  text-align: center;
  padding: 4rem 2rem;
  border-radius: 1.25rem;
  border: 1px solid rgba(59, 130, 246, 0.3);
  background:
    radial-gradient(ellipse 80% 60% at 50% 0%, rgba(59, 130, 246, 0.18), transparent),
    var(--card);
}

.cta-block h2 {
  margin: 0 0 1rem;
  font-size: clamp(1.5rem, 3vw, 2rem);
}

.cta-block p {
  margin: 0 auto 2rem;
  max-width: 32rem;
  color: var(--muted);
}

.cta-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
}

/* FAQ */
.faq {
  max-width: 40rem;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid var(--border);
}

.faq-q {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.25rem 0;
  background: none;
  border: none;
  color: var(--text);
  font-size: 1rem;
  font-weight: 500;
  text-align: left;
  cursor: pointer;
  font-family: inherit;
}

.faq-q svg {
  flex-shrink: 0;
  transition: transform 0.2s;
  color: var(--muted);
}

.faq-item.open .faq-q svg {
  transform: rotate(180deg);
}

.faq-a {
  display: none;
  padding: 0 0 1.25rem;
  font-size: 0.9375rem;
  color: var(--muted);
}

.faq-item.open .faq-a {
  display: block;
}

/* Footer */
.footer {
  padding: 3rem 0 2rem;
  border-top: 1px solid var(--border);
  margin-top: 2rem;
}

.footer-grid {
  display: grid;
  gap: 2rem;
}

@media (min-width: 768px) {
  .footer-grid {
    grid-template-columns: 1.5fr 1fr 1fr;
  }
}

.footer p {
  margin: 0.75rem 0 0;
  font-size: 0.875rem;
  color: var(--muted);
  max-width: 22rem;
}

.footer h4 {
  margin: 0 0 1rem;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.footer ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer li {
  margin-bottom: 0.5rem;
}

.footer a {
  font-size: 0.875rem;
  color: var(--muted);
}

.footer a:hover {
  color: var(--text);
}

.footer-bottom {
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: space-between;
  font-size: 0.8125rem;
  color: var(--muted);
}