:root {
  --bg: #eef4fb;
  --surface: #ffffff;
  --text: #111827;
  --muted: #4b5563;
  --primary: #2563eb;
  --primary-strong: #1d4ed8;
  --secondary: #eff6ff;
  --accent: #60a5fa;
  --shadow: 0 24px 70px rgba(15, 23, 42, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background: radial-gradient(circle at top, #f8fbff 0%, var(--bg) 55%);
  line-height: 1.75;
}

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

a {
  color: inherit;
}

button,
input,
textarea {
  font: inherit;
}

.container {
  width: min(1120px, calc(100% - 2rem));
  margin: 0 auto;
}

.site-header {
  background: rgba(255, 255, 255, 0.94);
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid rgba(59, 130, 246, 0.14);
  backdrop-filter: blur(10px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.1rem 0;
}

.brand {
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--text);
  text-decoration: none;
}

.nav-toggle {
  display: none;
  border: none;
  background: transparent;
  font-size: 1.5rem;
  cursor: pointer;
}

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

.site-nav a {
  color: var(--text);
  text-decoration: none;
  font-weight: 500;
  letter-spacing: 0.01em;
  transition: color 0.2s ease;
}

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

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.25em;
  color: var(--primary);
  font-size: 0.85rem;
  margin-bottom: 0.75rem;
}

.hero {
  padding: 6rem 0 4rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 3.5rem;
  align-items: center;
}

.hero-copy h1 {
  margin: 0;
  font-size: clamp(2.8rem, 5vw, 4.6rem);
  line-height: 1.02;
  letter-spacing: -0.04em;
}

.hero-copy p {
  max-width: 42rem;
  margin: 1.5rem 0 2rem;
  color: var(--muted);
  font-size: 1.05rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.hero-preview {
  display: flex;
  justify-content: center;
}

.hero-card {
  width: min(360px, 100%);
  border-radius: 2rem;
  background: linear-gradient(180deg, rgba(239, 246, 255, 0.95) 0%, rgba(226, 239, 255, 0.92) 100%);
  box-shadow: var(--shadow);
  padding: 2.5rem;
  border: 1px solid rgba(37, 99, 235, 0.14);
}

.hero-card h2 {
  margin: 0 0 1rem;
  font-size: 1.8rem;
}

.hero-card p {
  margin: 0;
  line-height: 1.8;
  color: var(--muted);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 1rem 1.8rem;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--primary), var(--primary-strong));
  color: #fff;
  border: none;
  text-decoration: none;
  font-weight: 600;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
  cursor: pointer;
  box-shadow: 0 16px 30px rgba(37, 99, 235, 0.18);
}

.button:hover {
  transform: translateY(-1px);
  box-shadow: 0 20px 35px rgba(37, 99, 235, 0.24);
}

.button-secondary {
  background: rgba(255, 255, 255, 0.92);
  color: var(--text);
  border: 1px solid rgba(37, 99, 235, 0.18);
}

.section-head {
  margin-bottom: 2rem;
}

.section-head h2 {
  margin: 0.25rem 0 0;
  font-size: clamp(2rem, 3vw, 2.8rem);
}

.overview,
.features,
.contact,
.content {
  padding: 3rem 0;
}

.overview-grid,
.features-grid,
.content-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.5rem;
}

.overview-grid article,
.features-grid article,
.content-grid article {
  background: var(--surface);
  border-radius: 28px;
  box-shadow: var(--shadow);
  padding: 2rem;
  border: 1px solid rgba(37, 99, 235, 0.08);
}

.overview-grid h3,
.features-grid h3,
.content-grid h3 {
  margin-top: 0;
}

.page-hero {
  padding: 5rem 0 3rem;
}

.page-hero .hero-copy p {
  margin: 1.2rem 0 0;
}

.page-hero .hero-copy h1 {
  font-size: clamp(2.5rem, 5vw, 3.8rem);
}

.page-hero .hero-actions {
  margin-top: 1.5rem;
}

.content {
  padding-bottom: 2rem;
}

.page-banner {
  background: var(--secondary);
  border-radius: 28px;
  padding: 2rem;
  margin-top: 2rem;
}

.page-banner p {
  margin: 0;
  color: var(--muted);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 2rem;
  align-items: start;
}

.contact-list {
  list-style: none;
  padding: 0;
  margin: 1.5rem 0 0;
  display: grid;
  gap: 0.9rem;
}

.contact-list a {
  color: var(--primary-strong);
  text-decoration: none;
}

.contact-panel {
  background: var(--surface);
  border-radius: 32px;
  box-shadow: var(--shadow);
  padding: 2.2rem;
  border: 1px solid rgba(37, 99, 235, 0.08);
}

.contact-panel h3 {
  margin-top: 0;
}

.contact-panel label {
  display: grid;
  gap: 0.5rem;
  margin-bottom: 1rem;
  color: var(--text);
  font-weight: 500;
}

.contact-panel input,
.contact-panel textarea {
  width: 100%;
  border: 1px solid rgba(37, 99, 235, 0.18);
  border-radius: 18px;
  padding: 0.95rem 1rem;
  outline: none;
  resize: vertical;
  background: #f8fbff;
}

.contact-panel input:focus,
.contact-panel textarea:focus {
  border-color: var(--primary-strong);
  box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.12);
}

.site-footer {
  padding: 2rem 0;
  color: var(--muted);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

@media (max-width: 1024px) {
  .hero-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .overview-grid,
  .features-grid,
  .content-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 780px) {
  .site-nav {
    position: absolute;
    inset: 70px 0 0;
    background: white;
    flex-direction: column;
    padding: 1rem 1.5rem;
    gap: 1rem;
    border-top: 1px solid #e5e7eb;
    display: none;
  }

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

  .nav-toggle {
    display: inline-flex;
  }

  .hero {
    padding-top: 3rem;
  }

  .hero-copy h1 {
    font-size: 2.6rem;
  }

  .overview-grid,
  .features-grid,
  .content-grid {
    grid-template-columns: 1fr;
  }
}