:root {
  --primary: #1f4fff;
  --primary-dark: #173fd1;
  --primary-light: #e8eeff;
  --text: #0f172a;
  --text-muted: #475569;
  --border: #dbe3ff;
  --surface: #ffffff;
  --surface-alt: #f5f7ff;
}

* {
  box-sizing: border-box;
}

body {
  font-family: "Inter", sans-serif;
  background-color: var(--surface);
  color: var(--text);
  line-height: 1.6;
}

a {
  color: inherit;
}

a:hover {
  color: var(--primary);
}

.navbar {
  background: var(--surface);
  border-bottom: 1px solid rgba(15, 23, 42, 0.05);
  padding: 1.25rem 0;
  box-shadow: 0 12px 30px rgba(15, 23, 42, 0.04);
}

.navbar-brand {
  font-weight: 600;
  font-size: 1.1rem;
  color: var(--text);
}

.navbar-nav .nav-link {
  color: var(--text);
  font-weight: 500;
  padding: 0.5rem 0;
}

.navbar-nav .nav-link:hover,
.navbar-nav .nav-link:focus,
.navbar-nav .nav-link.active {
  color: var(--primary);
}

.brand-logo {
  width: 170px;
  height: auto;
}

.btn-primary {
  background: var(--primary);
  border-color: var(--primary);
  font-weight: 600;
  letter-spacing: 0.02em;
}

.btn-primary:hover,
.btn-primary:focus {
  background: var(--primary-dark);
  border-color: var(--primary-dark);
}

.btn-outline-primary {
  border-color: var(--primary);
  color: var(--primary);
  font-weight: 600;
}

.btn-outline-primary:hover,
.btn-outline-primary:focus {
  background: var(--primary);
  color: #fff;
}


.hero {
  position: relative;
  padding: 6rem 0 5rem;
  overflow: hidden;
  background: radial-gradient(circle at 80% 20%, rgba(31, 79, 255, 0.12), transparent 55%),
    radial-gradient(circle at 10% 0%, rgba(31, 79, 255, 0.16), transparent 40%),
    linear-gradient(180deg, rgba(243, 246, 255, 0.45), rgba(255, 255, 255, 0));
}

.hero::after {
  content: "";
  position: absolute;
  inset: 15% -15% auto 55%;
  height: 70%;
  background: linear-gradient(140deg, rgba(31, 79, 255, 0.22), rgba(31, 79, 255, 0));
  filter: blur(52px);
  z-index: 0;
}

.hero > .container {
  position: relative;
  z-index: 1;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1.1rem;
  border-radius: 999px;
  background: var(--primary-light);
  color: var(--primary);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero h1 {
  font-size: clamp(2.5rem, 3.5vw, 3.6rem);
  font-weight: 700;
  line-height: 1.1;
}

.hero p.lead {
  color: var(--text-muted);
  max-width: 620px;
}

.hero-cta .btn {
  border-radius: 0.85rem;
}

.hero .form-control {
  border: 1px solid var(--border);
  padding: 0.85rem 1rem;
  font-size: 1rem;
  border-radius: 0.85rem;
}

.hero .input-group {
  background: var(--surface);
  border-radius: 0.85rem;
  box-shadow: 0 18px 45px rgba(15, 23, 42, 0.08);
}

.hero .input-group .form-control {
  border-left: none;
  border-radius: 0 0.85rem 0.85rem 0;
}

.hero .input-group-text {
  border: 1px solid var(--border);
  background: #f8faff;
  color: var(--primary);
  border-right: none;
  border-radius: 0.85rem 0 0 0.85rem;
}

.hero .form-control:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 0.25rem rgba(31, 79, 255, 0.12);
}

.countdown-panel {
  background: rgba(255, 255, 255, 0.9);
  border-radius: 1.5rem;
  border: 1px solid rgba(31, 79, 255, 0.16);
  box-shadow: 0 22px 60px rgba(15, 23, 42, 0.08);
  padding: 1.75rem 2rem;
  backdrop-filter: blur(6px);
}

.countdown-title {
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--primary);
}

.countdown {
  gap: 2.5rem;
}

.countdown-item {
  min-width: 72px;
}

.countdown-value {
  font-size: 2.6rem;
  font-weight: 700;
  color: var(--text);
}

.countdown-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
}

.hero-visual {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(220px, 260px);
  align-items: center;
  gap: 2.5rem;
  padding: 2.5rem;
  border-radius: 2rem;
  background: linear-gradient(140deg, rgba(31, 79, 255, 0.08), rgba(31, 79, 255, 0));
  border: 1px solid rgba(31, 79, 255, 0.18);
  box-shadow: 0 30px 70px rgba(15, 23, 42, 0.1);
}

.hero-visual::before {
  content: "";
  position: absolute;
  inset: 15% auto -20% -10%;
  width: 65%;
  background: radial-gradient(circle at center, rgba(31, 79, 255, 0.28), transparent 60%);
  filter: blur(40px);
  z-index: 0;
}

.laptop-canvas-wrapper {
  position: relative;
  width: 100%;
  padding-top: 70%;
  border-radius: 1.75rem;
  border: 1px solid rgba(31, 79, 255, 0.28);
  background: radial-gradient(circle at top, rgba(31, 79, 255, 0.22), rgba(31, 79, 255, 0.05));
  overflow: hidden;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.2);
  z-index: 1;
}

#laptopCanvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero-upgrade {
  position: relative;
  z-index: 1;
  padding: 2rem;
  border-radius: 1.75rem;
  background: rgba(255, 255, 255, 0.95);
  border: 1px solid rgba(31, 79, 255, 0.22);
  box-shadow: 0 30px 70px rgba(15, 23, 42, 0.12);
}

.hero-upgrade-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 0.75rem;
}

.hero-upgrade p {
  color: var(--text-muted);
}

.hero-upgrade-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
  color: var(--text-muted);
  font-weight: 500;
}

.hero-upgrade-list li:last-child {
  margin-bottom: 0;
}

.hero-upgrade-list i {
  color: var(--primary);
  font-size: 1.1rem;
  margin-top: 0.2rem;
}

.section {
  padding: 5.5rem 0;
}

.section-alt {
  background: var(--surface-alt);
}

.section-title {
  font-weight: 700;
  font-size: clamp(2rem, 2.7vw, 2.6rem);
  margin-bottom: 1.5rem;
}

.section-lead {
  color: var(--text-muted);
  font-size: 1.1rem;
}

.pillars {
  position: relative;
  overflow: hidden;
}

.pillars::before {
  content: "";
  position: absolute;
  inset: 10% 10% auto 35%;
  height: 75%;
  background: radial-gradient(circle at center, rgba(31, 79, 255, 0.1), transparent 70%);
  filter: blur(50px);
  z-index: 0;
}

.pillars > .container {
  position: relative;
  z-index: 1;
}

.pillars-grid {
  position: relative;
}

.pillar-card {
  padding: 2.5rem;
  border-radius: 1.75rem;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(31, 79, 255, 0.16);
  box-shadow: 0 24px 60px rgba(15, 23, 42, 0.08);
  height: 100%;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  backdrop-filter: blur(4px);
}

.pillar-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 32px 80px rgba(15, 23, 42, 0.12);
}

.pillar-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--primary-light);
  color: var(--primary);
  font-weight: 700;
  margin-bottom: 1.25rem;
}

.pillar-card h3 {
  font-size: 1.35rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.pillar-card p {
  color: var(--text-muted);
  margin-bottom: 0;
}

.timeline {
  border-radius: 1.5rem;
  border: 1px solid rgba(31, 79, 255, 0.12);
  background: var(--surface);
  padding: 2rem 2.5rem;
  box-shadow: 0 24px 55px rgba(15, 23, 42, 0.07);
}

.timeline li {
  padding: 1.5rem 0;
  border-left: 3px solid var(--primary-light);
  margin-left: 1.2rem;
  position: relative;
}

.timeline li + li {
  border-top: 1px solid rgba(15, 23, 42, 0.05);
}

.timeline li::before {
  content: "";
  position: absolute;
  left: -1.55rem;
  top: 1.6rem;
  width: 12px;
  height: 12px;
  background: var(--primary);
  border-radius: 50%;
  box-shadow: 0 0 0 6px rgba(31, 79, 255, 0.12);
}

.timeline-badge {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--primary);
  letter-spacing: 0.08em;
}

.roadmap-card {
  border-radius: 1.75rem;
  border: 1px solid rgba(31, 79, 255, 0.12);
  box-shadow: 0 24px 60px rgba(15, 23, 42, 0.08);
}

.icon-circle {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--primary-light);
  color: var(--primary);
  font-size: 1.5rem;
}

.card {
  border-radius: 1.5rem;
  border: 1px solid rgba(31, 79, 255, 0.12);
}

.card .form-label {
  font-weight: 600;
}

.form-control,
.form-select {
  border-radius: 0.9rem;
  border: 1px solid rgba(15, 23, 42, 0.12);
  padding: 0.75rem 1rem;
}

.form-control:focus,
.form-select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 0.25rem rgba(31, 79, 255, 0.12);
}

.contact-panel {
  background: var(--surface);
  border-radius: 1.75rem;
  border: 1px solid rgba(31, 79, 255, 0.2);
  box-shadow: 0 28px 60px rgba(15, 23, 42, 0.08);
}

.contact-panel h3 {
  color: var(--text);
}

.contact-panel p,
.contact-panel li,
.contact-panel span {
  color: var(--text-muted);
}

.footer {
  background: var(--surface);
  border-top: 1px solid rgba(15, 23, 42, 0.05);
}

.footer a {
  text-decoration: none;
  color: var(--text-muted);
  font-weight: 500;
}

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

@media (max-width: 991.98px) {
  .navbar {
    padding: 1rem 0;
  }

  .brand-logo {
    width: 150px;
  }

  .hero {
    padding: 5rem 0 4.5rem;
  }

  .hero-visual {
    grid-template-columns: 1fr;
    padding: 2rem;
  }

  .hero-visual::before {
    inset: 10% -10% -25% -10%;
    width: 80%;
  }

  .hero-upgrade {
    padding: 1.75rem;
  }
}

@media (max-width: 767.98px) {
  .pillar-card,
  .timeline,
  .countdown-panel,
  .roadmap-card,
  .contact-panel,
  .card {
    border-radius: 1.25rem;
  }

  .timeline {
    padding: 1.5rem;
  }

  .timeline li {
    margin-left: 1rem;
  }

  .brand-logo {
    width: 140px;
  }

  .countdown {
    gap: 1.5rem;
  }

  .hero-visual {
    padding: 1.75rem;
  }

  .countdown-panel {
    padding: 1.5rem;
  }
}