:root {
  --teal: #1fd1e0;
  --blue: #2f7fb8;
  --purple: #4a2e7f;
  --purple-dark: #341f5c;
  --ink: #1a1a24;
  --muted: #5b5b6b;
  --bg: #ffffff;
  --bg-soft: #f6f7fb;
  --border: #e7e8f0;
  --radius: 14px;
}

* { 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: 1.55;
}

.container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255,255,255,0.9);
  backdrop-filter: blur(8px);
  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;
  text-decoration: none;
  color: var(--ink);
}

.brand-mark {
  width: 36px;
  height: 36px;
  object-fit: contain;
  flex-shrink: 0;
}

.brand-name {
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: 0.02em;
  background: linear-gradient(135deg, var(--teal), var(--blue) 55%, var(--purple));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 24px;
}

.site-nav a {
  color: var(--muted);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
}

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

/* Buttons */
.btn {
  cursor: pointer;
  border: none;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  padding: 10px 20px;
  transition: transform 0.15s ease, box-shadow 0.15s ease, opacity 0.15s ease;
}

.btn-primary {
  background: linear-gradient(135deg, var(--teal), var(--blue) 55%, var(--purple));
  color: #fff;
  box-shadow: 0 6px 16px rgba(74,46,127,0.25);
}

.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 8px 20px rgba(74,46,127,0.32); }

.btn-ghost {
  background: transparent;
  color: var(--purple-dark);
  border: 1.5px solid var(--border);
}

.btn-ghost:hover { border-color: var(--blue); color: var(--blue); }

.btn-lg { padding: 14px 28px; font-size: 1.02rem; }
.btn-sm { padding: 7px 14px; font-size: 0.85rem; }
.btn-block { width: 100%; margin-top: 6px; }

/* Hero */
.hero {
  background:
    radial-gradient(1200px 500px at 20% -10%, rgba(31,209,224,0.15), transparent 60%),
    radial-gradient(1000px 500px at 90% 10%, rgba(74,46,127,0.12), transparent 60%),
    var(--bg-soft);
  padding: 96px 0 80px;
  border-bottom: 1px solid var(--border);
}

.hero-inner { max-width: 720px; }

.hero h1 {
  font-size: 2.6rem;
  line-height: 1.15;
  margin: 0 0 18px;
  letter-spacing: -0.01em;
}

.hero-badge {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--purple-dark);
  background: #fff;
  border: 1px solid var(--border);
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 20px;
}

.hero-sub {
  font-size: 1.15rem;
  color: var(--muted);
  margin: 0 0 32px;
}

.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

/* Services */
.services { padding: 90px 0; }

.services h2, .about h2 {
  text-align: center;
  font-size: 2rem;
  margin: 0 0 48px;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.card {
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.card:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 24px rgba(26,26,36,0.08);
}

.card-icon { font-size: 1.8rem; margin-bottom: 12px; }

.card h3 { margin: 0 0 10px; font-size: 1.1rem; }

.card p { margin: 0; color: var(--muted); font-size: 0.95rem; }

/* About */
.about {
  background: linear-gradient(180deg, var(--bg-soft), #fff);
  padding: 80px 0 100px;
  border-top: 1px solid var(--border);
  text-align: center;
}

.about-inner { max-width: 680px; margin: 0 auto; }

.about p { color: var(--muted); font-size: 1.05rem; margin-bottom: 32px; }

/* Footer */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 28px 0;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--muted);
  font-size: 0.9rem;
}

/* Modal */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(20,15,35,0.55);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  z-index: 100;
}

.modal-overlay[hidden] { display: none; }

.modal {
  position: relative;
  background: #fff;
  border-radius: var(--radius);
  padding: 32px;
  width: 100%;
  max-width: 460px;
  box-shadow: 0 24px 60px rgba(20,15,35,0.3);
}

.modal h2 { margin: 0 0 6px; }
.modal-sub { color: var(--muted); margin: 0 0 20px; font-size: 0.95rem; }

.modal-close {
  position: absolute;
  top: 14px;
  right: 16px;
  background: none;
  border: none;
  font-size: 1.6rem;
  line-height: 1;
  cursor: pointer;
  color: var(--muted);
}

.modal-close:hover { color: var(--ink); }

#contactForm { display: flex; flex-direction: column; gap: 6px; }

#contactForm label {
  font-size: 0.85rem;
  font-weight: 600;
  margin-top: 10px;
  color: var(--ink);
}

#contactForm input,
#contactForm select,
#contactForm textarea {
  font: inherit;
  padding: 10px 12px;
  border: 1.5px solid var(--border);
  border-radius: 8px;
  background: var(--bg-soft);
  color: var(--ink);
}

#contactForm input:focus,
#contactForm select:focus,
#contactForm textarea:focus {
  outline: none;
  border-color: var(--blue);
}

#contactForm select {
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='%235b5b6b'%3E%3Cpath d='M5.5 7.5l4.5 4.5 4.5-4.5h-9z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  background-size: 16px;
  padding-right: 36px;
}

.form-status {
  min-height: 1.2em;
  font-size: 0.9rem;
  text-align: center;
  margin: 8px 0 0;
}

.form-status.success { color: #1a8a4a; }
.form-status.error { color: #c0392b; }

@media (max-width: 720px) {
  .card-grid { grid-template-columns: 1fr; }
  .hero h1 { font-size: 2rem; }
  .site-nav { gap: 14px; }
  .site-nav a { display: none; }
}