:root {
  --navy: #0b2545;
  --blue: #13315c;
  --brand: #4673a0;
  --sky: #8db3d9;
  --light: #eef4fa;
  --grey: #b5b5b5;
  --text: #1d2939;
  --muted: #5b6b7f;
  --wa: #25d366;
  --radius: 10px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body {
  margin: 0;
  font-family: "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: var(--text);
  line-height: 1.6;
  background: #fff;
}
img { max-width: 100%; height: auto; }
a { color: var(--brand); }
.container { width: 100%; max-width: 1140px; margin: 0 auto; padding: 0 20px; }
.narrow { max-width: 820px; }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: #fff;
  border-bottom: 1px solid #e3e9f0;
  box-shadow: 0 2px 8px rgba(11, 37, 69, .05);
}
.header-inner { display: flex; align-items: center; gap: 24px; height: 68px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--text); }
.brand img { width: 48px; height: auto; }
.brand-text { font-size: 1.15rem; white-space: nowrap; }
.brand-text strong { color: var(--brand); }
.main-nav { display: flex; gap: 22px; margin-left: auto; }
.main-nav a { text-decoration: none; color: var(--blue); font-weight: 500; font-size: .95rem; }
.main-nav a:hover { color: var(--brand); }

/* Buttons */
.btn {
  display: inline-block; padding: 12px 24px; border-radius: 6px;
  font-weight: 600; text-decoration: none; border: 0; cursor: pointer;
  font-size: 1rem; font-family: inherit; transition: background .2s, transform .1s;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--brand); color: #fff; }
.btn-primary:hover { background: var(--blue); }
.btn-wa { background: var(--wa); color: #fff; }
.btn-wa:hover { background: #1da851; }
.btn-light { background: #fff; color: var(--navy); }
.btn-light:hover { background: var(--light); }
.btn-small { padding: 8px 16px; font-size: .9rem; }

/* Hero */
.hero {
  background: linear-gradient(135deg, var(--navy) 0%, var(--blue) 55%, var(--brand) 100%);
  color: #fff;
  padding: 72px 0 80px;
  position: relative; overflow: hidden;
}
.hero::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -1px; height: 60px;
  background: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1440 60' preserveAspectRatio='none'><path fill='%23ffffff' d='M0 40 C 240 0 480 60 720 30 S 1200 0 1440 30 V60 H0z'/></svg>") no-repeat bottom / 100% 100%;
}
.hero-inner { display: grid; grid-template-columns: 1.4fr 1fr; gap: 48px; align-items: center; position: relative; z-index: 1; }
.eyebrow { text-transform: uppercase; letter-spacing: .12em; font-size: .8rem; color: var(--sky); margin: 0 0 12px; font-weight: 600; }
.hero h1 { font-size: 2.6rem; line-height: 1.2; margin: 0 0 18px; }
.lead { font-size: 1.15rem; color: #dbe7f3; margin: 0 0 28px; max-width: 600px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-contact { margin-top: 24px; color: #dbe7f3; }
.hero-contact { display: flex; flex-wrap: wrap; gap: 6px 12px; }
.hero-contact .sep { opacity: .5; }
.hero-contact a { color: #fff; text-decoration: none; font-weight: 500; }
.hero-logo {
  background: #fff; border-radius: 16px; padding: 28px;
  box-shadow: 0 20px 40px rgba(0,0,0,.25);
  max-width: 340px; justify-self: center;
}

/* Sections */
.section { padding: 72px 0; }
.section-alt { background: var(--light); }
.section-dark { background: var(--navy); color: #fff; }
.section-title { font-size: 2rem; margin: 0 0 10px; color: var(--navy); }
.section-dark .section-title { color: #fff; }
.section-title::after { content: ""; display: block; width: 56px; height: 4px; background: var(--brand); margin-top: 10px; border-radius: 2px; }
.section-dark .section-title::after { background: var(--sky); }
.section-intro { color: var(--muted); margin: 0 0 36px; max-width: 680px; font-size: 1.05rem; }

/* Service cards */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.card {
  background: #fff; border: 1px solid #e3e9f0; border-radius: var(--radius);
  padding: 28px; box-shadow: 0 4px 14px rgba(11,37,69,.06);
  border-top: 4px solid var(--brand);
}
.card h3 { margin: 14px 0 8px; color: var(--navy); font-size: 1.3rem; }
.card p { margin: 0 0 10px; color: var(--muted); }
.card ul { margin: 0; padding-left: 20px; }
.card li { margin: 4px 0; }
.card-icon { width: 52px; height: 52px; border-radius: 50%; background: var(--light); display: grid; place-items: center; }
.card-icon svg { width: 28px; height: 28px; fill: none; stroke: var(--brand); stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }

/* Features */
.features { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; margin-top: 32px; }
.feature { background: #fff; padding: 24px; border-radius: var(--radius); border-left: 4px solid var(--brand); }
.feature h3 { margin: 0 0 8px; color: var(--navy); font-size: 1.1rem; }
.feature p { margin: 0; color: var(--muted); }

/* Form */
.quote-form { background: var(--light); padding: 32px; border-radius: var(--radius); border: 1px solid #dce6f0; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-bottom: 24px; }
.form-grid label { display: flex; flex-direction: column; gap: 6px; font-weight: 600; font-size: .92rem; color: var(--blue); }
.form-grid .full { grid-column: 1 / -1; }
.form-grid input, .form-grid textarea {
  font: inherit; font-weight: 400; padding: 11px 12px; border: 1px solid #c7d4e2; border-radius: 6px; background: #fff; color: var(--text);
}
.form-grid input:focus, .form-grid textarea:focus { outline: 2px solid var(--sky); border-color: var(--brand); }
.form-grid textarea { resize: vertical; }

/* Contact */
.contact-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-top: 32px; }
.contact-card {
  display: flex; flex-direction: column; gap: 6px; padding: 22px;
  background: rgba(255,255,255,.07); border: 1px solid rgba(255,255,255,.14); border-radius: var(--radius);
  color: #fff; text-decoration: none; transition: background .2s;
}
a.contact-card:hover { background: rgba(255,255,255,.14); }
.contact-label { text-transform: uppercase; font-size: .75rem; letter-spacing: .1em; color: var(--sky); font-weight: 600; }
.contact-value { font-size: 1.1rem; font-weight: 600; word-break: break-word; }

/* Footer */
.site-footer { background: #071a31; color: #9fb3c8; font-size: .9rem; padding: 24px 0; }
.footer-inner { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.site-footer p { margin: 0; }
.site-footer strong { color: #fff; }

/* Floating WhatsApp */
.wa-float {
  position: fixed; right: 20px; bottom: 20px; width: 56px; height: 56px; border-radius: 50%;
  background: var(--wa); display: grid; place-items: center; box-shadow: 0 6px 16px rgba(0,0,0,.25); z-index: 60;
}
.wa-float svg { width: 30px; height: 30px; }

/* Responsive */
@media (max-width: 1000px) {
  .features, .contact-grid { grid-template-columns: repeat(2, 1fr); }
  .main-nav { gap: 16px; }
}
@media (max-width: 860px) {
  .main-nav { display: none; }
  .header-wa { margin-left: auto; }
  .hero { padding: 48px 0 72px; }
  .hero-inner { grid-template-columns: 1fr; gap: 32px; }
  .hero-logo { order: -1; max-width: 200px; padding: 18px; }
  .hero h1 { font-size: 2rem; }
  .cards { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .features, .contact-grid, .form-grid { grid-template-columns: 1fr; }
  .section { padding: 52px 0; }
  .section-title { font-size: 1.6rem; }
  .hero h1 { font-size: 1.75rem; }
  .lead { font-size: 1.05rem; }
  .quote-form { padding: 20px; }
  .hero-actions .btn { flex: 1; text-align: center; }
  .brand-text { font-size: 1rem; }
  .footer-inner { flex-direction: column; }
  .hero-contact { flex-direction: column; }
  .hero-contact .sep { display: none; }
  .hero-logo { max-width: 170px; }
}