:root{
  --primary:#0f172a;
  --accent:#A51C30; /* Harvard Crimson */
  --ink:#0b1020;
  --muted:#64748b;
  --bg:#ffffff;
  --soft:#f1f5f9;
  --card:#ffffff;
  --stroke:rgba(2,6,23,.10);
  --shadow:0 18px 50px rgba(2,6,23,.10);
  --whatsapp:#25D366;
}

*{margin:0;padding:0;box-sizing:border-box;font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial}
html{scroll-behavior:smooth}
body{background:var(--bg);color:#334155;overflow-x:hidden}

/* Floating WhatsApp */
.floating-wa{
  position:fixed;right:18px;bottom:18px;z-index:2000;
  width:58px;height:58px;border-radius:50%;
  background:var(--whatsapp);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:34px;box-shadow:0 14px 30px rgba(0,0,0,.25);
  transition:transform .2s;
}
.floating-wa:hover{transform:translateY(-2px)}

/* Nav */
.navbar{
  position:fixed;top:0;left:0;right:0;z-index:1000;
  display:flex;align-items:center;justify-content:space-between;
  padding:12px 18px;background:rgba(255,255,255,.96);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--stroke);
}
.logo-container{display:flex;align-items:center;gap:12px;text-decoration:none;color:inherit}
.logo-img{height:54px;width:auto;border-radius:12px}
.logo-text{line-height:1}
.logo-title{font-weight:900;color:var(--primary);letter-spacing:-.3px}
.logo-tag{font-size:.85rem;color:var(--muted);margin-top:2px}

.nav-links{list-style:none;display:flex;gap:22px;align-items:center}
.nav-links a{text-decoration:none;color:var(--primary);font-weight:700;font-size:.92rem}
.btn-nav{background:var(--accent);color:#fff!important;padding:10px 14px;border-radius:999px}

.nav-ctas{display:flex;gap:10px;align-items:center;margin-left:10px}
.nav-icon{width:42px;height:42px;border-radius:14px;border:1px solid var(--stroke);
  display:flex;align-items:center;justify-content:center;
  color:var(--primary);text-decoration:none;background:#fff;
}

/* Hamburger */
.hamburger{display:none;cursor:pointer}
.hamburger .bar{display:block;width:25px;height:3px;background:var(--primary);margin:5px auto}

/* Hero */
.hero{
  min-height:100vh;
  background:linear-gradient(rgba(15,23,42,.84),rgba(15,23,42,.84)),url('image_0.png');
  background-size:cover;background-position:center;
  display:flex;align-items:center;justify-content:center;
  padding:110px 18px 36px;
  text-align:center;color:#fff;
}
.hero-content{max-width:980px}
.pill{
  display:inline-block;
  padding:8px 14px;border-radius:999px;
  background:rgba(255,255,255,.10);
  border:1px solid rgba(255,255,255,.18);
  font-weight:800;font-size:.9rem;margin-bottom:16px;
}
.hero h1{font-size:3.1rem;line-height:1.15;margin-bottom:14px;font-weight:900}
.hero p{color:#cbd5e1;font-size:1.15rem;max-width:720px;margin:0 auto 22px}
.hero-btns{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.btn-primary,.btn-secondary{
  display:inline-flex;align-items:center;gap:10px;
  text-decoration:none;font-weight:900;border-radius:999px;
  padding:14px 18px;
}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 16px 34px rgba(165,28,48,.28)}
.btn-primary:hover{filter:brightness(.98)}
.btn-secondary{background:transparent;color:#fff;border:2px solid rgba(255,255,255,.75)}
.btn-secondary:hover{background:rgba(255,255,255,.08)}

.hero-proof{
  margin-top:22px;
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));
  gap:12px;
}
.proof-item{
  text-align:left;
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.12);
  border-radius:18px;
  padding:14px 14px;
}
.proof-item i{color:#ffd1d8}
.proof-item span{display:block;font-weight:900;margin-top:8px}
.proof-item small{display:block;color:#cbd5e1;margin-top:4px}

/* Mini services */
.mini-services{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
  gap:12px;
  padding:22px 18px;
  max-width:1200px;margin:-26px auto 0;
}
.mini-card{
  background:var(--card);
  border:1px solid var(--stroke);
  border-radius:18px;
  padding:16px;
  box-shadow:0 10px 30px rgba(2,6,23,.06);
}
.mini-card h3{color:var(--primary);font-size:1.05rem;margin-bottom:6px}
.mini-card p{color:var(--muted);font-size:.95rem}

/* Fast quote */
.fast-quote{padding:18px}
.fast-quote-inner{
  max-width:1200px;margin:0 auto;
  background:linear-gradient(135deg, rgba(165,28,48,.10), rgba(15,23,42,.02));
  border:1px solid var(--stroke);
  border-radius:22px;
  padding:18px;
  display:flex;align-items:center;justify-content:space-between;gap:12px;
}
.fast-quote-inner h2{color:var(--primary)}
.fast-quote-inner p{color:var(--muted);margin-top:6px}

/* Sections */
.section{padding:66px 18px}
.section-header{max-width:900px;margin:0 auto 28px;text-align:center}
.section-header h2{font-size:2.25rem;color:var(--primary);font-weight:950}
.section-header p{color:var(--muted);margin-top:10px;font-size:1.05rem}

/* Cards */
.cards{
  max-width:1200px;margin:0 auto;
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));
  gap:18px;
}
.card{
  background:var(--card);
  border:1px solid var(--stroke);
  border-radius:18px;overflow:hidden;
  box-shadow:var(--shadow);
}
.card img{width:100%;height:210px;object-fit:cover;display:block}
.card-body{padding:18px}
.card-body h3{color:var(--primary);font-weight:950;margin-bottom:8px}
.card-body p{color:var(--muted)}

/* Dark section */
.section.dark{background:var(--primary);color:#fff}
.section.dark .section-header h2{color:#fff}
.section.dark .section-header p{color:#cbd5e1}
.why-grid{
  max-width:1100px;margin:0 auto;
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));
  gap:16px;
}
.why{
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.12);
  border-radius:18px;
  padding:18px;
}
.why i{font-size:26px;color:#ffd1d8}
.why h3{margin-top:12px;font-weight:950}
.why p{margin-top:8px;color:#cbd5e1}

/* Steps */
.steps{
  max-width:1100px;margin:0 auto;
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
  gap:14px;
}
.step{
  background:var(--card);
  border:1px solid var(--stroke);
  border-radius:18px;
  padding:16px;
  box-shadow:0 10px 26px rgba(2,6,23,.07);
}
.num{
  width:42px;height:42px;border-radius:14px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(165,28,48,.12);
  color:var(--accent);font-weight:950;
}
.step h3{margin-top:12px;color:var(--primary);font-weight:950}
.step p{margin-top:8px;color:var(--muted)}

/* Quote */
.section.quote{background:var(--soft)}
.quote-grid{
  max-width:1200px;margin:0 auto;
  display:grid;grid-template-columns:1fr 1.2fr;gap:16px;
}
.contact-card{
  background:#fff;border:1px solid var(--stroke);border-radius:18px;
  padding:18px;box-shadow:0 10px 26px rgba(2,6,23,.06);
}
.contact-card h3{color:var(--primary);font-weight:950;margin-bottom:10px}
.contact-card p{color:#475569;margin:8px 0}
.contact-card i{color:var(--accent);margin-right:8px}

.form{
  background:#fff;border:1px solid var(--stroke);border-radius:18px;
  padding:18px;box-shadow:0 10px 26px rgba(2,6,23,.06);
}
.form label{display:block;font-weight:850;color:var(--primary);margin-top:12px;margin-bottom:8px}
.form input,.form select,.form textarea{
  width:100%;
  padding:12px 12px;
  border:1px solid rgba(2,6,23,.14);
  border-radius:14px;
  outline:none;
  font-size:1rem;
  background:#fff;
}
.form textarea{min-height:120px;resize:vertical}
.wa-choice{display:grid;gap:10px;margin-top:6px}
.wa-radio{
  display:flex;align-items:center;gap:10px;
  padding:10px 12px;border:1px solid rgba(2,6,23,.12);
  border-radius:14px;
  background:#fff;
}
.submit{width:100%;justify-content:center;margin-top:14px}
.form-note{color:var(--muted);font-size:.92rem;margin-top:10px}

/* Footer */
.site-footer{
  border-top:1px solid var(--stroke);
  padding:22px 18px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  background:#fff;
}
.footer-left{display:flex;align-items:center;gap:12px}
.footer-logo{height:52px;width:auto;border-radius:14px}
.footer-title{font-weight:950;color:var(--primary)}
.footer-tag{color:var(--muted);margin-top:2px}
.footer-meta{color:#475569;margin-top:4px}
.dot{opacity:.6}
.footer-small{color:var(--muted);font-size:.9rem}

/* Responsive */
@media(max-width:980px){
  .hero-proof{grid-template-columns:1fr;max-width:520px;margin-left:auto;margin-right:auto}
  .mini-services{grid-template-columns:1fr 1fr}
  .cards{grid-template-columns:1fr}
  .why-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr 1fr}
  .quote-grid{grid-template-columns:1fr}
  .hamburger{display:block}
  .nav-links{
    position:fixed;left:-100%;top:76px;right:0;
    background:#fff;
    flex-direction:column;
    padding:16px 18px;
    gap:14px;
    border-bottom:1px solid var(--stroke);
    transition:.25s;
  }
  .nav-links.active{left:0}
}
@media(max-width:520px){
  .mini-services{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .hero h1{font-size:2.35rem}
}