:root {
  --appia-blue: #4040ff;
  --appia-purple: #c440ff;
  --text-primary: #101025;
  --text-secondary: #56566f;
  --background: #ffffff;
  --surface: #f6f4ff;
  --border: #e4def8;
  --shadow: 0 24px 80px rgba(64, 64, 255, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text-primary);
  background: var(--background);
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px clamp(20px, 5vw, 72px);
  border-bottom: 1px solid rgba(228, 222, 248, 0.75);
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(14px);
}

.brand-logo {
  width: 132px;
  height: auto;
  display: block;
}

.main-nav {
  display: flex;
  gap: 24px;
  color: var(--text-secondary);
  font-weight: 600;
}

.main-nav a:hover {
  color: var(--appia-blue);
}

.hero {
  min-height: 72vh;
  display: grid;
  place-items: center;
  padding: 80px clamp(20px, 5vw, 72px);
  background:
    radial-gradient(circle at 20% 20%, rgba(196, 64, 255, 0.18), transparent 32%),
    radial-gradient(circle at 80% 30%, rgba(64, 64, 255, 0.16), transparent 34%),
    linear-gradient(180deg, #ffffff 0%, #f7f5ff 100%);
}

.hero-content {
  max-width: 980px;
  text-align: center;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--appia-blue);
  font-size: 0.84rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 24px;
  font-size: clamp(2.6rem, 7vw, 6rem);
  line-height: 0.95;
  letter-spacing: -0.07em;
}

h2 {
  margin-bottom: 16px;
  font-size: clamp(2rem, 4vw, 3.6rem);
  line-height: 1;
  letter-spacing: -0.05em;
}

h3 {
  margin-bottom: 12px;
  font-size: 1.25rem;
}

.hero-text {
  max-width: 760px;
  margin: 0 auto 36px;
  color: var(--text-secondary);
  font-size: clamp(1.08rem, 2vw, 1.35rem);
  line-height: 1.55;
}

.hero-actions {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 16px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 24px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 800;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button-primary {
  color: #ffffff;
  background: linear-gradient(135deg, var(--appia-blue), var(--appia-purple));
  box-shadow: 0 14px 36px rgba(64, 64, 255, 0.22);
}

.button-secondary {
  color: var(--appia-blue);
  background: #ffffff;
  border-color: var(--border);
}

.section {
  padding: 88px clamp(20px, 5vw, 72px);
}

.section-header {
  max-width: 760px;
  margin-bottom: 36px;
}

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

.card {
  padding: 28px;
  border: 1px solid var(--border);
  border-radius: 28px;
  background: #ffffff;
  box-shadow: var(--shadow);
}

.card p,
.contact-copy p,
.site-footer p {
  color: var(--text-secondary);
  line-height: 1.65;
}

.contact-section {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 40px;
  background: var(--surface);
}

.lead-form {
  display: grid;
  gap: 18px;
  padding: 28px;
  border: 1px solid var(--border);
  border-radius: 28px;
  background: #ffffff;
  box-shadow: var(--shadow);
}

.lead-form label {
  display: grid;
  gap: 8px;
  color: var(--text-secondary);
  font-weight: 700;
}

.lead-form input,
.lead-form textarea {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 14px 16px;
  color: var(--text-primary);
  font: inherit;
  outline: none;
}

.lead-form input:focus,
.lead-form textarea:focus {
  border-color: var(--appia-blue);
  box-shadow: 0 0 0 4px rgba(64, 64, 255, 0.12);
}

.checkbox-label {
  display: flex !important;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: 10px !important;
}

.checkbox-label input {
  width: auto;
}

.form-status {
  min-height: 22px;
  margin: 0;
  color: var(--text-secondary);
  font-weight: 700;
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 28px clamp(20px, 5vw, 72px);
  border-top: 1px solid var(--border);
}

.site-footer img {
  width: 96px;
  height: auto;
}

@media (max-width: 820px) {
  .site-header,
  .site-footer {
    align-items: flex-start;
    flex-direction: column;
  }

  .cards-grid,
  .contact-section {
    grid-template-columns: 1fr;
  }

  .main-nav {
    width: 100%;
  }
}