:root {
  --ink: #14152b;
  --ink-soft: #4a4b63;
  --bg: #ffffff;
  --bg-soft: #f7f6fd;
  --purple: #6b3df5;
  --purple-dark: #4c22c9;
  --purple-light: #efeafe;
  --border: #e6e3f6;
  --radius: 16px;
  --shadow: 0 12px 30px -12px rgba(76, 34, 201, 0.18);
  --max-width: 1120px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

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

.wrap {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--purple);
  color: #fff;
  padding: 10px 16px;
  border-radius: 0 0 8px 0;
  z-index: 1000;
}
.skip-link:focus { left: 0; }

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--purple);
  margin: 0 0 10px;
}
.eyebrow.center, h2.center { text-align: center; }
.center { text-align: center; }

h1, h2, h3 { line-height: 1.2; margin: 0 0 14px; }
h1 { font-size: clamp(2.1rem, 6vw, 3.4rem); }
h2 { font-size: clamp(1.6rem, 4vw, 2.4rem); }
h3 { font-size: 1.25rem; }

.lede {
  font-size: clamp(1rem, 2vw, 1.15rem);
  color: var(--ink-soft);
  max-width: 60ch;
}
.center + .lede, h2.center + .lede { margin-left: auto; margin-right: auto; }

.btn {
  display: inline-block;
  padding: 14px 26px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 1rem;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}
.btn:active { transform: translateY(1px); }

.btn-primary {
  background: var(--purple);
  color: #fff;
  box-shadow: var(--shadow);
}
.btn-primary:hover { background: var(--purple-dark); }

.btn-ghost {
  background: transparent;
  color: var(--purple-dark);
  border-color: var(--purple);
}
.btn-ghost:hover { background: var(--purple-light); }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.05rem;
  white-space: nowrap;
}
.brand img { border-radius: 6px; }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
}
.nav-toggle span {
  display: block;
  height: 2px;
  width: 100%;
  background: var(--ink);
  border-radius: 2px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.primary-nav {
  display: flex;
  align-items: center;
  gap: 28px;
}
.primary-nav a { font-weight: 600; color: var(--ink-soft); }
.primary-nav a:hover { color: var(--purple-dark); }
.nav-cta {
  background: var(--purple);
  color: #fff !important;
  padding: 9px 20px;
  border-radius: 999px;
}
.nav-cta:hover { background: var(--purple-dark); }

/* Hero */
.hero {
  padding: 80px 0 70px;
  background:
    radial-gradient(1200px 500px at 80% -10%, #e3d9ff 0%, transparent 60%),
    linear-gradient(180deg, var(--bg-soft), #fff 70%);
}
.hero-inner { max-width: 760px; }
.hero-actions {
  display: flex;
  gap: 16px;
  margin-top: 30px;
  flex-wrap: wrap;
}

/* Services */
.services { padding: 80px 0; }
.card-grid {
  margin-top: 44px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}
.card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 30px 26px;
  box-shadow: 0 1px 2px rgba(20, 21, 43, 0.04);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}
.card-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: var(--purple-light);
  color: var(--purple-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
}
.card-icon svg { width: 24px; height: 24px; }
.card p { color: var(--ink-soft); font-size: 0.98rem; }

/* About */
.about {
  padding: 80px 0;
  background: var(--bg-soft);
}
.about-inner { max-width: 760px; }
.initiative {
  border-left: 3px solid var(--purple);
  padding-left: 20px;
  margin-top: 26px;
}
.initiative p { color: var(--ink-soft); margin: 0; }

/* Contact */
.contact { padding: 80px 0; }
.contact-inner {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 56px;
  align-items: start;
}
.contact-list {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.contact-list li {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 600;
}
.contact-list svg {
  width: 22px;
  height: 22px;
  color: var(--purple);
  flex-shrink: 0;
}
.contact-list a:hover { color: var(--purple-dark); }

.contact-form {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  box-shadow: var(--shadow);
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.field { margin-bottom: 18px; }
.field label {
  display: block;
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 6px;
}
.field input,
.field textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: 10px;
  font-size: 1rem;
  font-family: inherit;
  background: var(--bg-soft);
}
.field input:focus,
.field textarea:focus {
  outline: 2px solid var(--purple);
  outline-offset: 1px;
  background: #fff;
}
.contact-form .btn { width: 100%; }
.form-note {
  margin: 14px 0 0;
  font-size: 0.92rem;
  color: var(--purple-dark);
  min-height: 1.2em;
}

/* Footer */
.site-footer {
  padding: 28px 0;
  border-top: 1px solid var(--border);
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  color: var(--ink-soft);
  font-size: 0.9rem;
}
.back-to-top { font-weight: 600; color: var(--purple-dark); }

/* Mobile */
@media (max-width: 860px) {
  .contact-inner { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  .nav-toggle { display: flex; }

  .primary-nav {
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: #fff;
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.25s ease;
  }
  .primary-nav.open { max-height: 320px; }
  .primary-nav a {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border);
  }
  .nav-cta {
    border-radius: 0;
    text-align: center;
    background: var(--purple-light);
    color: var(--purple-dark) !important;
  }

  .hero { padding: 56px 0 48px; text-align: center; }
  .hero-inner { margin: 0 auto; }
  .hero-actions { justify-content: center; }
  .lede { margin-left: auto; margin-right: auto; }

  .services, .about, .contact { padding: 56px 0; }
  .form-row { grid-template-columns: 1fr; }
}

@media (max-width: 420px) {
  .btn { width: 100%; text-align: center; }
  .hero-actions { flex-direction: column; }
}

@media (prefers-color-scheme: dark) {
  :root {
    --ink: #f1f0fb;
    --ink-soft: #b9b8d6;
    --bg: #100f1e;
    --bg-soft: #17162a;
    --purple: #9b7bff;
    --purple-dark: #c3aeff;
    --purple-light: #241f3d;
    --border: #2a2843;
    --shadow: 0 12px 30px -12px rgba(155, 123, 255, 0.28);
  }
  .site-header { background: rgba(16, 15, 30, 0.85); }
  .card, .contact-form, .primary-nav { background: #17162a; }
  .field input, .field textarea { background: #1d1c33; color: var(--ink); }
  .nav-cta { color: #100f1e !important; }
}