* {
  box-sizing: border-box;
}

:root {
  --bg: #020817;
  --bg-soft: #0f172a;
  --panel: rgba(255, 255, 255, 0.06);
  --panel-strong: rgba(255, 255, 255, 0.08);
  --text: #e2e8f0;
  --muted: #94a3b8;
  --white: #ffffff;
  --border: rgba(255, 255, 255, 0.1);
  --accent: #22d3ee;
  --accent-dark: #0f172a;
  --shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
  --radius-xl: 32px;
  --radius-lg: 24px;
  --radius-md: 18px;
  --container: 1180px;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Inter", system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

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

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

.container {
  width: min(var(--container), calc(100% - 2rem));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  backdrop-filter: blur(16px);
  background: rgba(2, 8, 23, 0.86);
  border-bottom: 1px solid var(--border);
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 86px;
}

.brand,
.footer-brand {
  display: flex;
  align-items: center;
  gap: 0.9rem;
}

.brand-logo,
.footer-logo {
  width: 52px;
  height: 52px;
  border-radius: 18px;
  object-fit: cover;
}

.brand-name {
  font-size: 1.1rem;
  font-weight: 800;
  letter-spacing: 0.03em;
}

.brand-subtitle {
  font-size: 0.8rem;
  color: var(--muted);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.site-nav a {
  color: #dbe4f0;
  font-weight: 600;
  font-size: 0.96rem;
}

.site-nav a:hover {
  color: var(--accent);
}

.menu-toggle {
  display: none;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--white);
  border-radius: 12px;
  width: 46px;
  height: 46px;
  font-size: 1.3rem;
  cursor: pointer;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 0.9rem 1.35rem;
  font-weight: 700;
  transition: transform 0.2s ease, opacity 0.2s ease, background 0.2s ease;
  border: 1px solid transparent;
}

.button:hover {
  transform: translateY(-1px);
}

.button-primary {
  background: var(--accent);
  color: #082032;
}

.button-secondary {
  border-color: var(--border);
  color: var(--white);
  background: transparent;
}

.button-secondary:hover {
  background: rgba(255, 255, 255, 0.05);
}

.button-dark {
  background: #020617;
  color: var(--white);
}

.hero {
  position: relative;
  overflow: hidden;
  padding: 5rem 0 4rem;
}

.hero-glow {
  position: absolute;
  border-radius: 999px;
  filter: blur(60px);
  pointer-events: none;
}

.hero-glow-one {
  width: 360px;
  height: 360px;
  top: -100px;
  left: 5%;
  background: rgba(34, 211, 238, 0.18);
}

.hero-glow-two {
  width: 300px;
  height: 300px;
  right: 10%;
  top: 30px;
  background: rgba(59, 130, 246, 0.16);
}

.hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 2rem;
  align-items: center;
}

.eyebrow,
.section-tag {
  display: inline-flex;
  border: 1px solid rgba(34, 211, 238, 0.2);
  color: #a5f3fc;
  background: rgba(34, 211, 238, 0.08);
  border-radius: 999px;
  padding: 0.5rem 0.9rem;
  font-size: 0.83rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.hero h1 {
  margin: 1rem 0 0;
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  line-height: 1.05;
  font-weight: 800;
}

.hero h1 span {
  color: var(--accent);
}

.hero-text {
  max-width: 42rem;
  color: #cbd5e1;
  font-size: 1.08rem;
  margin-top: 1.4rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin-top: 1.8rem;
}

.hero-card,
.about-panel,
.signup-copy,
.info-card {
  border: 1px solid var(--border);
  background: var(--panel);
  box-shadow: var(--shadow);
}

.hero-card {
  border-radius: var(--radius-xl);
  padding: 1.4rem;
  backdrop-filter: blur(20px);
}

.hero-image {
  border-radius: 28px;
  border: 1px solid var(--border);
  width: 100%;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-top: 1.3rem;
}

.feature-card,
.signup-points div,
.about-panel ul li {
  border: 1px solid var(--border);
  background: rgba(2, 8, 23, 0.65);
  border-radius: 22px;
  padding: 1rem;
}

.feature-card h2,
.info-card h2,
.about-panel h3,
.signup-card h3,
.signup-copy h2,
.about-copy h2 {
  margin: 0.45rem 0 0;
}

.feature-card h2,
.info-card h2 {
  font-size: 1rem;
}

.feature-card p,
.info-card p,
.about-copy p,
.signup-copy p,
.about-panel ul,
.form-intro {
  color: var(--muted);
}

.feature-icon {
  font-size: 1.7rem;
}

.highlights {
  padding: 1rem 0 0;
}

.cards-three {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.info-card {
  padding: 1.5rem;
  border-radius: var(--radius-lg);
}

.about-section,
.signup-section {
  padding: 5rem 0;
}

.about-grid,
.signup-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 2rem;
  align-items: start;
}

.about-copy h2,
.signup-copy h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  margin: 1rem 0 1rem;
}

.about-panel {
  border-radius: var(--radius-xl);
  padding: 2rem;
  background: linear-gradient(135deg, rgba(34, 211, 238, 0.1), rgba(15, 23, 42, 0.95), rgba(30, 64, 175, 0.25));
}

.about-logo {
  width: 88px;
  height: 88px;
  border-radius: 24px;
  margin-bottom: 1rem;
  object-fit: cover;
}

.about-panel ul {
  list-style: none;
  padding: 0;
  margin: 1.3rem 0 0;
  display: grid;
  gap: 0.9rem;
}

.signup-section {
  background: rgba(15, 23, 42, 0.9);
}

.signup-copy {
  border-radius: var(--radius-xl);
  padding: 2rem;
}

.signup-points {
  margin-top: 1.5rem;
  display: grid;
  gap: 0.85rem;
}

.signup-card {
  border-radius: var(--radius-xl);
  background: #ffffff;
  color: #0f172a;
  padding: 2rem;
  box-shadow: var(--shadow);
}

.signup-card h3 {
  font-size: 1.8rem;
}

.signup-form {
  margin-top: 1.4rem;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

.signup-form label {
  display: grid;
  gap: 0.45rem;
}

.signup-form span {
  font-size: 0.92rem;
  font-weight: 700;
}

.signup-form input,
.signup-form textarea {
  width: 100%;
  border: 1px solid #cbd5e1;
  border-radius: 14px;
  padding: 0.9rem 1rem;
  font: inherit;
  outline: none;
}

.signup-form input:focus,
.signup-form textarea:focus {
  border-color: #06b6d4;
  box-shadow: 0 0 0 3px rgba(34, 211, 238, 0.15);
}

.signup-form textarea {
  min-height: 120px;
  resize: vertical;
}

.full-width {
  grid-column: 1 / -1;
}

.checkbox-row {
  display: flex !important;
  align-items: flex-start;
  gap: 0.75rem;
  background: #f8fafc;
  border-radius: 18px;
  padding: 1rem;
}

.checkbox-row input {
  width: auto;
  margin-top: 0.2rem;
}

.success-message {
  margin-top: 1rem;
  background: #ecfeff;
  color: #164e63;
  border: 1px solid #a5f3fc;
  border-radius: 16px;
  padding: 1rem;
  font-weight: 600;
}

.site-footer {
  border-top: 1px solid var(--border);
  background: #020617;
}

.footer-wrap {
  min-height: 100px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.25rem 0;
}

@media (max-width: 980px) {
  .hero-grid,
  .about-grid,
  .signup-grid,
  .cards-three,
  .feature-grid {
    grid-template-columns: 1fr;
  }

  .desktop-cta {
    display: none;
  }

  .site-nav {
    position: absolute;
    top: calc(100% + 0.5rem);
    right: 1rem;
    left: 1rem;
    display: none;
    flex-direction: column;
    align-items: flex-start;
    padding: 1rem;
    border-radius: 20px;
    border: 1px solid var(--border);
    background: rgba(2, 8, 23, 0.98);
    box-shadow: var(--shadow);
  }

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

  .menu-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }
}

@media (max-width: 720px) {
  .nav-wrap {
    min-height: 78px;
  }

  .hero,
  .about-section,
  .signup-section {
    padding: 4rem 0;
  }

  .signup-form {
    grid-template-columns: 1fr;
  }

  .footer-wrap {
    flex-direction: column;
    align-items: flex-start;
  }
}