*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --bg: #050814;
  --bg-alt: #080c1b;
  --bg-card: #0b1022;
  --accent: #4ea6ff;
  --accent-soft: rgba(78, 166, 255, 0.18);
  --accent-strong: #ffc857;
  --text-main: #f5f7ff;
  --text-muted: #a4adc8;
  --border-subtle: #1b2236;
  --radius-lg: 18px;
  --shadow-soft: 0 18px 45px rgba(0, 0, 0, 0.55);
  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "SF Pro Text",
    "Segoe UI", Roboto, sans-serif;
}

html, body {
  height: 100%;
}

body {
  font-family: var(--font-sans);
  background: radial-gradient(circle at top, #0b1630 0, #050814 55%);
  color: var(--text-main);
  line-height: 1.5;
}

/* Layout */

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

.section {
  padding: 80px 0;
}

.section-alt {
  background: radial-gradient(circle at top, #0b1123 0, #050814 55%);
}

.section-title {
  font-size: 1.9rem;
  margin-bottom: 10px;
  text-align: left;
}

.section-intro {
  color: var(--text-muted);
  max-width: 560px;
  margin-bottom: 32px;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
  margin-top: 24px;
}

.center {
  text-align: center;
}

.mt-lg {
  margin-top: 32px;
}

/* Navbar */

.navbar {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(16px);
  background: linear-gradient(to bottom, rgba(5, 8, 20, 0.96), rgba(5, 8, 20, 0.88));
  border-bottom: 1px solid rgba(64, 80, 120, 0.35);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 0;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-mark {
  width: 32px;
  height: 32px;
  border-radius: 10px;
  background: radial-gradient(circle at 20% 0, #ffc857 0, #ff9f1c 22%, #1e90ff 80%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  font-weight: 700;
  color: #050814;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.55);
}

.logo-text {
  display: flex;
  flex-direction: column;
}

.logo-main {
  font-size: 0.95rem;
  font-weight: 600;
}

.logo-sub {
  font-size: 0.78rem;
  color: var(--text-muted);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 18px;
  font-size: 0.9rem;
}

.nav-links a {
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.2s ease, opacity 0.2s ease;
}

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

.nav-cta {
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: radial-gradient(circle at top left, rgba(78, 166, 255, 0.2), transparent 55%);
}

/* Hero */

.hero {
  padding-top: 72px;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1.1fr);
  gap: 36px;
  align-items: center;
}

.hero-left h1 {
  font-size: 2.3rem;
  line-height: 1.2;
  margin-bottom: 16px;
}

.hero-subtitle {
  color: var(--text-muted);
  max-width: 560px;
  margin-bottom: 20px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 14px;
}

.hero-note {
  font-size: 0.9rem;
  color: var(--text-muted);
}

.hero-right {
  display: flex;
  justify-content: flex-end;
}

.hero-card {
  width: 100%;
  max-width: 360px;
  background: radial-gradient(circle at top, #111a35 0, #070b18 65%);
  border-radius: 20px;
  padding: 20px 20px 18px;
  border: 1px solid rgba(96, 115, 180, 0.55);
  box-shadow: var(--shadow-soft);
}

.hero-card h2 {
  font-size: 1.1rem;
  margin-bottom: 12px;
}

.metric-list {
  list-style: none;
  border-radius: 14px;
  background: rgba(3, 6, 18, 0.9);
  border: 1px solid rgba(64, 80, 120, 0.5);
  padding: 10px 10px 6px;
  margin-bottom: 12px;
}

.metric-list li {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 6px 4px;
  font-size: 0.85rem;
}

.metric-label {
  color: var(--text-muted);
}

.metric-value {
  font-weight: 600;
}

.metric-pos {
  color: #62e29b;
}

.metric-neg {
  color: #ff6b81;
}

.metric-neutral {
  color: #f5f7ff;
}

.hero-card-text {
  margin-top: 6px;
  font-size: 0.86rem;
  color: var(--text-muted);
}

/* Cards */

.card {
  background: linear-gradient(145deg, rgba(10, 17, 39, 0.9), rgba(5, 9, 23, 0.96));
  border-radius: var(--radius-lg);
  padding: 18px 18px 16px;
  border: 1px solid rgba(72, 94, 150, 0.65);
  box-shadow: 0 14px 30px rgba(0, 0, 0, 0.4);
}

.card h3 {
  font-size: 1.05rem;
  margin-bottom: 8px;
}

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

.card-outline {
  background: radial-gradient(circle at top left, rgba(78, 166, 255, 0.16), transparent 60%);
  border-style: dashed;
}

/* Steps */

.steps {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-top: 8px;
}

.step {
  display: flex;
  gap: 14px;
  padding: 12px 14px;
  border-radius: 14px;
  background: rgba(6, 10, 26, 0.96);
  border: 1px solid rgba(78, 166, 255, 0.35);
}

.step-number {
  width: 26px;
  height: 26px;
  border-radius: 999px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  font-weight: 600;
  color: #050814;
  background: radial-gradient(circle at 20% 0, #ffc857 0, #ff9f1c 45%, #ff7b00 90%);
}

.step-body h3 {
  font-size: 1rem;
  margin-bottom: 4px;
}

.step-body p {
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* Contact */

.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
  gap: 28px;
  align-items: flex-start;
}

.contact-list {
  list-style: none;
  margin-bottom: 18px;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.contact-list li {
  margin-bottom: 4px;
}

.contact-box {
  background: radial-gradient(circle at top, #0f1834 0, #060918 60%);
  border-radius: var(--radius-lg);
  padding: 18px 18px 16px;
  border: 1px solid rgba(96, 115, 180, 0.6);
  box-shadow: var(--shadow-soft);
}

.contact-box h3 {
  margin-bottom: 8px;
}

.contact-item {
  font-size: 0.9rem;
  margin: 4px 0;
}

.contact-label {
  display: inline-block;
  width: 70px;
  color: var(--text-muted);
}

.contact-note {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-top: 10px;
}

/* Buttons */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 9px 18px;
  border-radius: 999px;
  font-size: 0.9rem;
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform 0.12s ease, box-shadow 0.12s ease, background 0.12s ease, border-color 0.12s ease;
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, #4ea6ff, #1e71ff);
  color: #050814;
  box-shadow: 0 14px 30px rgba(30, 113, 255, 0.45);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 18px 38px rgba(30, 113, 255, 0.6);
}

.btn-ghost {
  background: transparent;
  color: var(--text-main);
  border-color: rgba(255, 255, 255, 0.18);
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.03);
}

/* Footer */

.footer {
  border-top: 1px solid rgba(64, 80, 120, 0.5);
  padding: 16px 0 22px;
  background: linear-gradient(to top, #050814, rgba(5, 8, 20, 0.96));
  font-size: 0.8rem;
  color: var(--text-muted);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* Responsive */

@media (max-width: 900px) {
  .hero-grid {
    grid-template-columns: minmax(0, 1fr);
  }
  .hero-right {
    justify-content: flex-start;
  }
  .grid-3 {
    grid-template-columns: minmax(0, 1fr);
  }
  .contact-grid {
    grid-template-columns: minmax(0, 1fr);
  }
  .nav-links {
    display: none;
  }
}

@media (max-width: 640px) {
  .section {
    padding: 56px 0;
  }
  .hero-left h1 {
    font-size: 1.8rem;
  }
  .hero-actions {
    flex-direction: column;
    align-items: flex-start;
  }
  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
  }
}