:root {
  --bg: #050816;
  --bg-alt: #070b1f;
  --fg: #f5f5f7;
  --muted: #a2a6b9;
  --primary: #6366f1;
  --primary-soft: rgba(99, 102, 241, 0.14);
  --accent: #22d3ee;
  --border: #1f2435;
  --radius-lg: 18px;
  --radius-md: 12px;
  --radius-sm: 8px;
  --shadow-soft: 0 18px 45px rgba(0, 0, 0, 0.55);
}

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

html, body {
  margin: 0;
  padding: 0;
}

body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "SF Pro Text",
    "Segoe UI", sans-serif;
  background: radial-gradient(circle at top, #111827 0, #020617 55%, #000 100%);
  color: var(--fg);
  line-height: 1.6;
}

/* LAYOUT */
.container {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 16px;
}

/* HEADER */
.top-bar {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(18px);
  background: linear-gradient(to bottom, rgba(2, 6, 23, 0.85), rgba(2, 6, 23, 0.4), transparent);
  border-bottom: 1px solid rgba(148, 163, 184, 0.2);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
}

.logo {
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-size: 14px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.logo span {
  padding: 3px 8px;
  border-radius: 999px;
  background: radial-gradient(circle at 10% 0, var(--accent), var(--primary));
  color: #020617;
  font-weight: 800;
}

.nav {
  display: flex;
  align-items: center;
  gap: 18px;
  font-size: 14px;
}

.nav a {
  color: var(--muted);
  text-decoration: none;
  transition: color 0.2s ease, background 0.2s ease, transform 0.15s ease;
  padding: 6px 10px;
  border-radius: 999px;
}

.nav a:hover {
  color: var(--fg);
  transform: translateY(-1px);
}

.nav-cta {
  border: 1px solid rgba(148, 163, 184, 0.6);
  background: rgba(15, 23, 42, 0.7);
}

.nav-cta:hover {
  border-color: var(--accent);
}

/* HERO */
.hero {
  padding: 56px 0 40px;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
  gap: 32px;
  align-items: center;
}

.hero-text h1 {
  font-size: clamp(32px, 5vw, 42px);
  line-height: 1.1;
  margin: 0 0 14px;
}

.hero-text h1 span {
  background: linear-gradient(to right, var(--accent), var(--primary));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-text p {
  margin: 0 0 20px;
  color: var(--muted);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 18px;
}

/* BUTTONS */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 16px;
  border-radius: 999px;
  font-size: 14px;
  text-decoration: none;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease,
    border-color 0.15s ease;
  white-space: nowrap;
}

.btn-primary {
  background: radial-gradient(circle at 0 0, var(--accent), var(--primary));
  color: #020617;
  font-weight: 600;
  box-shadow: 0 14px 35px rgba(79, 70, 229, 0.45);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 18px 40px rgba(79, 70, 229, 0.65);
}

.btn-outline {
  border-color: rgba(148, 163, 184, 0.7);
  background: rgba(15, 23, 42, 0.7);
  color: var(--fg);
}

.btn-outline:hover {
  border-color: var(--accent);
  background: rgba(15, 23, 42, 0.95);
}

.btn-full {
  width: 100%;
}

/* HERO STATS */
.hero-stats {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  font-size: 13px;
  color: var(--muted);
}

.hero-stats li strong {
  display: block;
  color: var(--fg);
  font-size: 16px;
}

/* HERO CARD */
.hero-card {
  background: radial-gradient(circle at 0 0, rgba(56, 189, 248, 0.22), rgba(15, 23, 42, 0.95));
  border-radius: 24px;
  padding: 20px 20px 18px;
  border: 1px solid rgba(148, 163, 184, 0.45);
  box-shadow: var(--shadow-soft);
}

.hero-card h2 {
  margin: 0 0 6px;
  font-size: 18px;
}

.hero-card p {
  margin: 0 0 14px;
  color: #e5e7eb;
  font-size: 14px;
}

.hero-form label {
  display: block;
  font-size: 12px;
  margin-bottom: 8px;
}

.hero-form input,
.hero-form textarea {
  width: 100%;
  margin-top: 4px;
  padding: 9px 10px;
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.6);
  background: rgba(15, 23, 42, 0.95);
  color: var(--fg);
  font-family: inherit;
  font-size: 13px;
  outline: none;
}

.hero-form textarea {
  border-radius: 12px;
  resize: vertical;
}

.hero-form input:focus,
.hero-form textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px rgba(56, 189, 248, 0.5);
}

.hero-form .btn-primary {
  margin-top: 6px;
}

.form-note {
  margin: 6px 0 0;
  font-size: 11px;
  color: #e5e7eb;
}

/* SECTIONS */
.section {
  padding: 40px 0;
}

.section-alt {
  background: radial-gradient(circle at top left, #020617, #020617 35%, #020617);
  border-top: 1px solid rgba(15, 23, 42, 0.9);
  border-bottom: 1px solid rgba(15, 23, 42, 0.9);
}

.section h2 {
  margin: 0 0 8px;
  font-size: 24px;
}

.section-lead {
  margin: 0 0 24px;
  color: var(--muted);
}

/* CARDS */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.card {
  background: linear-gradient(145deg, rgba(15, 23, 42, 0.95), #020617);
  border-radius: var(--radius-lg);
  padding: 16px 16px 14px;
  border: 1px solid var(--border);
  box-shadow: 0 10px 26px rgba(15, 23, 42, 0.8);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  background: radial-gradient(circle at 0 0, rgba(56, 189, 248, 0.16), transparent 55%);
  opacity: 0.6;
  z-index: -1;
}

.card h3 {
  margin: 0 0 8px;
  font-size: 16px;
}

.card p {
  margin: 0 0 10px;
  font-size: 14px;
  color: var(--muted);
}

.card ul {
  margin: 0;
  padding-left: 18px;
  font-size: 13px;
  color: #e5e7eb;
}

/* STEPS */
.steps {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.step {
  background: radial-gradient(circle at 0 0, var(--primary-soft), #020617);
  border-radius: var(--radius-lg);
  padding: 14px 14px 12px;
  border: 1px solid rgba(148, 163, 184, 0.4);
}

.step-badge {
  width: 26px;
  height: 26px;
  border-radius: 999px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 600;
  background: radial-gradient(circle at 0 0, var(--accent), var(--primary));
  color: #020617;
  margin-bottom: 10px;
}

.step h3 {
  margin: 0 0 6px;
  font-size: 15px;
}

.step p {
  margin: 0;
  font-size: 13px;
  color: var(--muted);
}

/* CASES */
.case ul {
  padding-left: 18px;
  font-size: 13px;
}

/* CONTACT */
.contact-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 24px;
  align-items: flex-start;
}

.contact-details {
  list-style: none;
  padding: 0;
  margin: 8px 0 0;
  font-size: 14px;
  color: #e5e7eb;
}

.contact-details li + li {
  margin-top: 4px;
}

.contact-form {
  background: rgba(15, 23, 42, 0.9);
  border-radius: var(--radius-lg);
  padding: 16px;
  border: 1px solid rgba(148, 163, 184, 0.45);
  box-shadow: var(--shadow-soft);
}

.contact-form label {
  display: block;
  font-size: 12px;
  margin-bottom: 10px;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  margin-top: 4px;
  padding: 9px 10px;
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.6);
  background: rgba(15, 23, 42, 0.95);
  color: var(--fg);
  font-family: inherit;
  font-size: 13px;
  outline: none;
}

.contact-form textarea {
  border-radius: 12px;
  resize: vertical;
}

.contact-form input:focus,
.contact-form textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px rgba(56, 189, 248, 0.5);
}

/* FOOTER */
.footer {
  padding: 18px 0 24px;
  border-top: 1px solid rgba(15, 23, 42, 0.9);
  font-size: 12px;
  color: var(--muted);
}

.footer-inner {
  display: flex;
  flex-direction: column;
  gap: 4px;
  text-align: center;
}

/* RESPONSIVE */
@media (max-width: 960px) {
  .hero-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .hero-card {
    order: -1;
  }

  .cards-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .contact-grid {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (max-width: 640px) {
  .nav {
    display: none;
  }

  .hero {
    padding-top: 32px;
  }

  .cards-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .steps {
    grid-template-columns: minmax(0, 1fr);
  }

  .hero-card,
  .contact-form {
    padding: 14px;
  }
}