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

body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #020617;
  color: #e5e7eb;
  line-height: 1.6;
}

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

.hero {
  background: radial-gradient(circle at top, #1f2937, #020617);
  padding: 1.5rem 1.25rem 4rem;
}

.hero-inner {
  max-width: 1120px;
  margin: 0 auto;
  display: grid;
  gap: 2rem;
}

.hero-text h1 {
  font-size: clamp(2.4rem, 4vw, 3.2rem);
  margin-bottom: 0.6rem;
}

.tagline {
  max-width: 540px;
  color: #cbd5f5;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin: 1.5rem 0 0.8rem;
}

.hero-note {
  font-size: 0.85rem;
  color: #9ca3af;
}

.hero-panel {
  background: rgba(15, 23, 42, 0.98);
  border-radius: 1.25rem;
  border: 1px solid rgba(148, 163, 184, 0.35);
  box-shadow: 0 20px 45px rgba(15, 23, 42, 0.85);
  padding: 1.25rem 1.35rem;
  max-width: 380px;
  margin-left: auto;
}

.panel-header {
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #9ca3af;
  margin-bottom: 0.6rem;
}

.panel-body label {
  display: grid;
  gap: 0.3rem;
  font-size: 0.88rem;
  margin-bottom: 0.7rem;
}

select {
  border-radius: 0.6rem;
  border: 1px solid rgba(148, 163, 184, 0.7);
  padding: 0.5rem 0.6rem;
  background: rgba(15, 23, 42, 0.9);
  color: #e5e7eb;
  font: inherit;
}

select:focus {
  outline: none;
  border-color: #38bdf8;
  box-shadow: 0 0 0 1px rgba(56, 189, 248, 0.5);
}

.quick-output {
  font-size: 0.85rem;
  margin-top: 0.5rem;
  color: #9ca3af;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.7rem 1.4rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font-size: 0.95rem;
  cursor: pointer;
  transition: all 0.18s ease;
  text-align: center;
}

.btn.primary {
  background: linear-gradient(135deg, #38bdf8, #6366f1);
  color: #020617;
  font-weight: 600;
}

.btn.primary:hover {
  filter: brightness(1.04);
  transform: translateY(-1px);
}

.btn.ghost {
  border-color: rgba(148, 163, 184, 0.8);
  color: #e5e7eb;
  background: transparent;
}

.btn.ghost:hover {
  background: rgba(15, 23, 42, 0.8);
}

.btn.full {
  width: 100%;
}

.nav {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(18px);
  background: linear-gradient(to right, rgba(15, 23, 42, 0.96), rgba(15, 23, 42, 0.94));
  border-bottom: 1px solid rgba(30, 64, 175, 0.6);
}

.nav-inner {
  max-width: 1120px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  padding: 0.6rem 1.25rem;
  justify-content: space-between;
}

.logo {
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-size: 0.9rem;
}

.logo span {
  color: #38bdf8;
}

.nav-links {
  list-style: none;
  display: flex;
  gap: 1.25rem;
  font-size: 0.9rem;
}

.nav-links a {
  color: #e5e7eb;
  opacity: 0.86;
}

.nav-links a:hover {
  opacity: 1;
}

.section {
  padding: 3.5rem 1.25rem;
}

.section-alt {
  background: radial-gradient(circle at top, #020617, #020617);
  background-color: #020617;
}

.section h2 {
  text-align: center;
  font-size: 1.7rem;
  margin-bottom: 0.4rem;
}

.section-intro {
  text-align: center;
  max-width: 620px;
  margin: 0.4rem auto 2.2rem;
  color: #9ca3af;
  font-size: 0.95rem;
}

.cards {
  max-width: 1120px;
  margin: 0 auto;
}

.grid-3 {
  display: grid;
  gap: 1.4rem;
}

.grid-4 {
  display: grid;
  gap: 1.4rem;
}

.card {
  background: rgba(15, 23, 42, 0.98);
  border-radius: 1.1rem;
  padding: 1.4rem 1.4rem 1.35rem;
  border: 1px solid rgba(148, 163, 184, 0.3);
  box-shadow: 0 18px 40px rgba(15, 23, 42, 0.95);
}

.card h3 {
  font-size: 1.1rem;
  margin-bottom: 0.3rem;
}

.card p {
  font-size: 0.93rem;
  color: #cbd5f5;
  margin-bottom: 0.5rem;
}

.card ul {
  list-style: disc;
  margin-left: 1.3rem;
  font-size: 0.88rem;
  color: #9ca3af;
}

.feature-layout {
  max-width: 1120px;
  margin: 0 auto;
  display: grid;
  gap: 1.8rem;
}

.feature-list {
  list-style: disc;
  margin-left: 1.3rem;
  color: #cbd5f5;
  font-size: 0.92rem;
}

.feature-list li + li {
  margin-top: 0.35rem;
}

.feature-panel {
  background: rgba(15, 23, 42, 0.95);
  border-radius: 1.1rem;
  border: 1px solid rgba(56, 189, 248, 0.2);
  padding: 1.3rem 1.4rem;
}

.pill-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 0.8rem;
}

.pill {
  border-radius: 999px;
  padding: 0.35rem 0.8rem;
  background: rgba(15, 23, 42, 0.9);
  border: 1px solid rgba(148, 163, 184, 0.6);
  font-size: 0.8rem;
  cursor: pointer;
}

.pill.active {
  border-color: #38bdf8;
  background: rgba(56, 189, 248, 0.12);
  color: #e0f2fe;
}

.scenario h4 {
  font-size: 0.98rem;
  margin-bottom: 0.25rem;
}

.scenario p {
  font-size: 0.9rem;
  color: #cbd5f5;
}

.portfolio-grid {
  max-width: 1120px;
  margin: 0 auto;
  display: grid;
  gap: 1.4rem;
}

.portfolio-card {
  background: rgba(15, 23, 42, 0.98);
  border-radius: 1.1rem;
  border: 1px solid rgba(148, 163, 184, 0.35);
  padding: 1.1rem 1.1rem 1.2rem;
}

.thumb {
  height: 160px;
  border-radius: 0.9rem;
  margin-bottom: 0.7rem;
  background-size: cover;
  background-position: center;
}

.thumb-1 {
  background-image: linear-gradient(135deg, #38bdf8, #6366f1);
}

.thumb-2 {
  background-image: linear-gradient(135deg, #f97316, #ec4899);
}

.thumb-3 {
  background-image: linear-gradient(135deg, #22c55e, #06b6d4);
}

.portfolio-card h3 {
  font-size: 1rem;
  margin-bottom: 0.25rem;
}

.portfolio-card p {
  font-size: 0.9rem;
  color: #cbd5f5;
}

.portfolio-card .tag {
  font-size: 0.8rem;
  color: #9ca3af;
  margin-top: 0.3rem;
}

.pricing-grid {
  max-width: 1120px;
  margin: 0 auto;
}

.price-card {
  position: relative;
}

.price {
  font-size: 1.5rem;
  font-weight: 700;
  margin: 0.2rem 0 0.4rem;
}

.badge {
  position: absolute;
  top: 0.9rem;
  right: 1rem;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.25rem 0.5rem;
  border-radius: 999px;
  background: rgba(56, 189, 248, 0.18);
  color: #e0f2fe;
}

.price-card.featured {
  border-color: #38bdf8;
  box-shadow: 0 22px 50px rgba(56, 189, 248, 0.2);
}

.quote-layout {
  max-width: 1120px;
  margin: 0 auto;
  display: grid;
  gap: 1.5rem;
}

.quote-box {
  background: rgba(15, 23, 42, 0.96);
  border-radius: 1.1rem;
  border: 1px solid rgba(148, 163, 184, 0.4);
  padding: 1.4rem 1.5rem;
}

.quote-box label {
  display: grid;
  gap: 0.3rem;
  font-size: 0.9rem;
  margin-bottom: 0.8rem;
}

.quote-result {
  font-size: 0.92rem;
  margin-top: 0.7rem;
  color: #e0f2fe;
}

.quote-note h3 {
  font-size: 1rem;
  margin-bottom: 0.4rem;
}

.quote-note ol {
  margin-left: 1.3rem;
  font-size: 0.9rem;
  color: #cbd5f5;
}

.quote-note li + li {
  margin-top: 0.25rem;
}

.contact-layout {
  max-width: 1120px;
  margin: 0 auto;
  display: grid;
  gap: 1.5rem;
}

.contact-card,
.contact-form {
  background: rgba(15, 23, 42, 0.96);
  border-radius: 1.1rem;
  border: 1px solid rgba(148, 163, 184, 0.4);
  padding: 1.4rem 1.5rem;
}

.contact-card p {
  font-size: 0.92rem;
  color: #cbd5f5;
  margin-bottom: 0.35rem;
}

.contact-card .small {
  font-size: 0.85rem;
  color: #9ca3af;
  margin-top: 0.3rem;
}

.contact-form {
  display: grid;
  gap: 0.9rem;
}

.contact-form label {
  display: grid;
  gap: 0.35rem;
  font-size: 0.88rem;
}

.contact-form input,
.contact-form textarea {
  border-radius: 0.7rem;
  border: 1px solid rgba(148, 163, 184, 0.6);
  padding: 0.6rem 0.8rem;
  background: rgba(15, 23, 42, 0.9);
  color: #e5e7eb;
  font: inherit;
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: #38bdf8;
  box-shadow: 0 0 0 1px rgba(56, 189, 248, 0.5);
}

.copy-status {
  font-size: 0.8rem;
  color: #9ca3af;
  margin-top: 0.4rem;
}

.footer {
  padding: 1.5rem 1.25rem 2rem;
  text-align: center;
  font-size: 0.8rem;
  color: #6b7280;
  border-top: 1px solid rgba(15, 23, 42, 0.9);
}

@media (min-width: 720px) {
  .hero-inner {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1.05fr);
    align-items: center;
  }

  .feature-layout {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1.1fr);
  }

  .portfolio-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .grid-3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .grid-4 {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .quote-layout {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
  }

  .contact-layout {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1.2fr);
  }
}

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

  .hero {
    padding-top: 1.1rem;
  }

  .hero-panel {
    margin: 0;
    max-width: 100%;
  }
}