/* Theme */
:root {
  --bg: #0b1020;
  --surface: #111831;
  --muted: #9aa3b2;
  --text: #e6e9ee;
  --primary: #0ea5e9;
  --primary-600: #0284c7;
  --ring: 0 0 0 4px color-mix(in srgb, var(--primary) 20%, transparent);
  --radius: 14px;
  --shadow-lg: 0 20px 40px -16px rgba(2, 8, 23, 0.6);
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #f7f8fb;
    --surface: #ffffff;
    --muted: #5b6472;
    --text: #0b1020;
    --primary: #0ea5e9;
    --primary-600: #0284c7;
    --shadow-lg: 0 16px 30px -12px rgba(2, 8, 23, 0.15);
  }
}

/* Base */
* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  color: var(--text);
  background: radial-gradient(1200px 800px at 20% -10%, rgba(14,165,233,0.15), transparent 60%),
              radial-gradient(1000px 600px at 120% 10%, rgba(99,102,241,0.15), transparent 60%),
              var(--bg);
  line-height: 1.6;
}
img { max-width: 100%; display: block; }
a { color: var(--text); text-decoration: none; }
a:hover { color: var(--primary); }

.container {
  width: min(1100px, 92vw);
  margin-inline: auto;
}
.section { padding: 80px 0; }
.section.alt { background: color-mix(in srgb, var(--surface) 70%, transparent); }
.center { text-align: center; }

h1, h2, h3, h4 { line-height: 1.2; margin: 0 0 14px; }
h1 { font-size: clamp(2rem, 2vw + 2rem, 3rem); letter-spacing: -0.02em; }
h2 { font-size: clamp(1.5rem, 1vw + 1.5rem, 2.2rem); }
h3 { font-size: 1.15rem; }
p { margin: 0 0 14px; color: var(--muted); }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 50; backdrop-filter: saturate(180%) blur(10px);
  background: color-mix(in srgb, var(--bg) 70%, transparent);
  border-bottom: 1px solid color-mix(in srgb, var(--surface) 60%, transparent);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; padding: 14px 0; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 700; }
.brand-logo { height: auto; max-height: 40px; width: auto; }

.nav-menu { display: flex; align-items: center; gap: 18px; list-style: none; margin: 0; padding: 0; }
.nav-menu a { opacity: .9; }
.nav-menu .btn-sm { padding: 8px 14px; font-size: .95rem; }
.nav-toggle { display: none; background: transparent; border: 0; width: 44px; height: 44px; border-radius: 10px; }
.nav-toggle .bar { display: block; width: 22px; height: 2px; background: var(--text); margin: 5px auto; transition: transform .2s ease; }

@media (max-width: 860px) {
  .nav-toggle { display: inline-block; }
  .nav-menu { position: absolute; right: 16px; top: 64px; flex-direction: column; align-items: stretch; gap: 10px; background: var(--surface); padding: 12px; border-radius: 12px; box-shadow: var(--shadow-lg); min-width: 220px; display: none; }
  .nav-menu.open { display: flex; }
}

/* Hero */
.hero { padding: 80px 0 40px; }
.hero-inner { display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 40px; align-items: center; }
.hero-copy p { font-size: 1.05rem; }
.hero-ctas { display: flex; gap: 12px; margin: 16px 0 10px; }
.hero-badges { display: flex; gap: 16px; align-items: center; color: var(--muted); padding: 0; margin: 10px 0 0; list-style: none; flex-wrap: wrap; }
.hero-media { display: grid; place-items: center; }
.hero-card { width: 100%; max-width: 420px; background: var(--surface); border-radius: var(--radius); padding: 18px; box-shadow: var(--shadow-lg); border: 1px solid color-mix(in srgb, var(--surface) 70%, transparent); }
.hero-card-row { display: grid; grid-template-columns: 44px 1fr; gap: 12px; align-items: center; padding: 12px; border-radius: 12px; }
.hero-card-row:hover { background: color-mix(in srgb, var(--bg) 75%, transparent); }
.hero-card .icon { font-size: 1.4rem; }

@media (max-width: 960px) {
  .hero-inner { grid-template-columns: 1fr; }
  .hero { padding-top: 60px; }
}

/* Grids */
.grid-2 { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 36px; align-items: start; }
@media (max-width: 900px) { .grid-2 { grid-template-columns: 1fr; } }

.about-highlights { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.highlight { background: var(--surface); padding: 16px; border-radius: 12px; text-align: center; border: 1px solid color-mix(in srgb, var(--surface) 65%, transparent); }
.highlight span { display: block; font-size: 1.25rem; font-weight: 700; color: var(--primary); }
@media (max-width: 640px) { .about-highlights { grid-template-columns: 1fr; } }

/* Cards */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 18px; }
.card { background: var(--surface); border-radius: var(--radius); border: 1px solid color-mix(in srgb, var(--surface) 70%, transparent); box-shadow: var(--shadow-lg); overflow: hidden; }
.card-image { width: 100%; height: 220px; object-fit: cover; display: block; }
.card-content { padding: 18px; }
.card-icon { font-size: 1.8rem; margin-bottom: 8px; }
.checks { list-style: none; padding: 0; margin: 10px 0 0; color: var(--muted); }
.checks li::before { content: '✓'; color: #10b981; margin-right: 8px; }
@media (max-width: 980px) { .cards { grid-template-columns: 1fr 1fr; } }
@media (max-width: 640px) { .cards { grid-template-columns: 1fr; } }

/* Steps */
.steps { list-style: none; padding: 0; margin: 18px auto 0; max-width: 800px; display: grid; gap: 12px; }
.steps li { display: grid; grid-template-columns: 40px 1fr; gap: 14px; align-items: start; background: var(--surface); padding: 16px; border-radius: 12px; border: 1px solid color-mix(in srgb, var(--surface) 70%, transparent); }
.step-index { display: grid; place-items: center; width: 32px; height: 32px; background: var(--primary); color: white; border-radius: 50%; font-weight: 700; }

/* Quotes */
.quotes { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 18px; }
.quote { background: var(--surface); padding: 18px; border-radius: 12px; border: 1px solid color-mix(in srgb, var(--surface) 70%, transparent); }
.quote blockquote { margin: 0; font-size: 1rem; }
.quote figcaption { margin-top: 10px; color: var(--muted); }
@media (max-width: 980px) { .quotes { grid-template-columns: 1fr 1fr; } }
@media (max-width: 640px) { .quotes { grid-template-columns: 1fr; } }

/* Contact */
.contact-points { list-style: none; padding: 0; margin: 14px 0 18px; color: var(--muted); }
.cp { margin-right: 8px; }
.form { display: grid; gap: 12px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.field { display: grid; gap: 6px; }
.field input, .field select, .field textarea { width: 100%; padding: 12px 14px; border-radius: 10px; border: 1px solid color-mix(in srgb, var(--surface) 70%, transparent); background: color-mix(in srgb, var(--bg) 85%, white 15%); color: var(--text); outline: none; }
.field input:focus, .field select:focus, .field textarea:focus { box-shadow: var(--ring); border-color: var(--primary); }
.form-actions { display: flex; gap: 10px; align-items: center; }
.form-status { min-height: 1.2em; color: var(--muted); }
@media (max-width: 700px) { .form-row { grid-template-columns: 1fr; } }

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 12px 18px; border-radius: 12px; border: 1px solid transparent; font-weight: 600; transition: transform .03s ease, background .2s ease, color .2s ease; }
.btn:active { transform: translateY(1px); }
.btn-primary { background: linear-gradient(180deg, var(--primary), var(--primary-600)); color: white; box-shadow: 0 10px 24px -8px color-mix(in srgb, var(--primary) 50%, transparent); }
.btn-primary:hover { filter: brightness(1.08); }
.btn-ghost { background: transparent; border-color: color-mix(in srgb, var(--surface) 70%, transparent); color: var(--text); }
.btn-ghost:hover { background: color-mix(in srgb, var(--bg) 75%, transparent); }

/* Footer */
.site-footer { border-top: 1px solid color-mix(in srgb, var(--surface) 60%, transparent); padding: 24px 0; }
.footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 14px; flex-wrap: wrap; }
.meta { color: var(--muted); }

/* WhatsApp Float Button */
.whatsapp-float {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, #25D366, #128C7E);
  color: white;
  border-radius: 50%;
  display: grid;
  place-items: center;
  box-shadow: 0 8px 24px -4px rgba(37, 211, 102, 0.5);
  z-index: 100;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 12px 32px -4px rgba(37, 211, 102, 0.7);
}
.whatsapp-float:active {
  transform: scale(1.05);
}
@media (max-width: 640px) {
  .whatsapp-float {
    bottom: 16px;
    right: 16px;
    width: 56px;
    height: 56px;
  }
}

/* Utilities */
.hidden { display: none !important; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); border: 0; }