:root{
  --azul-900:#04275c;
  --azul-800:#0a3d8f;
  --azul-700:#0f52ba;
  --azul-500:#2f7de1;
  --azul-100:#e8f1fd;
  --branco:#ffffff;
  --cinza-100:#f4f7fb;
  --cinza-400:#8a97a8;
  --cinza-800:#232c3a;
  --dourado:#f0b429;
  --radius:14px;
  --shadow:0 10px 30px rgba(4,39,92,.10);
  font-size:16px;
}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:'Segoe UI',Roboto,Arial,sans-serif;color:var(--cinza-800);background:var(--branco);line-height:1.6}
img{max-width:100%;display:block;border-radius:var(--radius)}
a{color:inherit;text-decoration:none}
ul{list-style:none}
.container{max-width:1180px;margin:0 auto;padding:0 24px}
section{padding:88px 0}
.eyebrow{color:var(--azul-700);font-weight:700;letter-spacing:.08em;text-transform:uppercase;font-size:.8rem;margin-bottom:10px;display:block}
h1,h2,h3{color:var(--azul-900);line-height:1.2}
h2{font-size:2.1rem;margin-bottom:16px}
.lead{color:var(--cinza-400);max-width:640px;margin-bottom:44px;font-size:1.05rem}
.center{text-align:center;margin-left:auto;margin-right:auto}
.btn{display:inline-block;padding:14px 30px;border-radius:50px;font-weight:700;transition:.25s}
.btn-primary{background:var(--azul-700);color:#fff}
.btn-primary:hover{background:var(--azul-900)}
.btn-outline{border:2px solid var(--branco);color:#fff}
.btn-outline:hover{background:#fff;color:var(--azul-900)}
.btn-ghost{border:2px solid var(--azul-700);color:var(--azul-700)}
.btn-ghost:hover{background:var(--azul-700);color:#fff}

/* topbar */
.topbar{background:var(--azul-900);color:#cfe0ff;font-size:.85rem}
.topbar .container{display:flex;justify-content:space-between;align-items:center;padding:8px 24px}
.topbar a{color:#cfe0ff}
.topbar .info span{margin-right:22px}

/* header */
header.main{position:sticky;top:0;background:#fff;box-shadow:0 2px 12px rgba(0,0,0,.06);z-index:50}
.nav{display:flex;align-items:center;justify-content:space-between;padding:16px 24px}
.logo{font-size:1.4rem;font-weight:800;color:var(--azul-900)}
.logo span{color:var(--azul-500)}
.nav ul{display:flex;gap:28px;font-weight:600;font-size:.95rem}
.nav ul a:hover{color:var(--azul-700)}
.nav-cta{display:flex;align-items:center;gap:16px}
#menu-toggle{display:none;background:none;border:none;font-size:1.6rem;color:var(--azul-900)}

/* hero */
.hero{background:linear-gradient(135deg,var(--azul-900),var(--azul-700));color:#fff;padding:110px 0}
.hero .container{display:grid;grid-template-columns:1.1fr .9fr;gap:50px;align-items:center}
.hero h1{color:#fff;font-size:2.9rem;margin-bottom:18px}
.hero p{color:#d7e6ff;max-width:520px;margin-bottom:30px}
.hero .actions{display:flex;gap:16px;flex-wrap:wrap}
.hero-stats{display:flex;gap:26px;margin-top:46px;flex-wrap:wrap}
.hero-stats div strong{display:block;font-size:1.6rem;color:#fff}
.hero-stats div span{color:#bcd3fb;font-size:.85rem}
.hero img{border-radius:var(--radius);box-shadow:0 20px 50px rgba(0,0,0,.25)}

/* smile advisor / intro block */
.advisor{background:var(--cinza-100)}
.advisor .container{display:grid;grid-template-columns:.9fr 1.1fr;gap:56px;align-items:center}
.advisor ul{margin:20px 0}
.advisor li{padding:8px 0;padding-left:28px;position:relative}
.advisor li:before{content:"✓";position:absolute;left:0;color:var(--azul-700);font-weight:800}

/* services grid */
.grid-services{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.card{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden;transition:.25s}
.card:hover{transform:translateY(-6px)}
.card img{border-radius:0;height:190px;width:100%;object-fit:cover}
.card .body{padding:22px}
.tag{color:var(--azul-500);font-weight:700;font-size:.75rem;text-transform:uppercase}
.card h3{margin:8px 0 10px;font-size:1.15rem}
.card p{color:var(--cinza-400);font-size:.92rem;margin-bottom:14px}
.card a.link{color:var(--azul-700);font-weight:700;font-size:.9rem}

/* why us */
.why{background:var(--azul-900);color:#fff}
.why h2,.why .eyebrow{color:#fff}
.why .eyebrow{color:#8fb4f5}
.why-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:26px;margin-top:20px}
.why-grid .num{font-size:1.8rem;font-weight:800;color:var(--dourado)}
.why-grid h3{color:#fff;margin:10px 0}
.why-grid p{color:#c7d9f7;font-size:.92rem}

/* values */
.values-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.values-grid .card{padding:26px;box-shadow:none;border:1px solid #e4ebf5}
.values-grid h3{margin-bottom:8px}
.values-grid p{color:var(--cinza-400);font-size:.92rem}

/* case studies */
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.case-card{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}
.case-imgs{display:grid;grid-template-columns:1fr 1fr}
.case-imgs img{border-radius:0;height:170px;object-fit:cover}
.case-card .body{padding:20px}
.case-card h3{font-size:1.1rem;margin-bottom:6px}
.case-card p{color:var(--cinza-400);font-size:.9rem}

/* reviews */
.reviews{background:var(--azul-100)}
.reviews-summary{text-align:center;margin-bottom:46px}
.stars{color:var(--dourado);font-size:1.6rem;letter-spacing:3px}
.reviews-summary strong{font-size:1.5rem;color:var(--azul-900)}
.reviews-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.review-card{background:#fff;border-radius:var(--radius);padding:28px;box-shadow:var(--shadow)}
.review-card .stars{font-size:1rem;margin-bottom:10px}
.review-card p{color:var(--cinza-800);font-size:.92rem;margin-bottom:16px}
.review-card .who{display:flex;align-items:center;gap:10px}
.avatar{width:40px;height:40px;border-radius:50%;background:var(--azul-700);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700}
.who small{color:var(--cinza-400)}

/* team */
.team-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.team-card{text-align:center}
.team-card img{height:230px;width:100%;object-fit:cover;margin-bottom:14px}
.team-card h3{font-size:1.05rem}
.team-card span{color:var(--azul-700);font-weight:700;font-size:.85rem}

/* CTA */
.cta{background:linear-gradient(135deg,var(--azul-700),var(--azul-500));color:#fff;text-align:center}
.cta h2{color:#fff}
.cta p{color:#e3edff;max-width:560px;margin:0 auto 30px}
.cta .actions{display:flex;justify-content:center;gap:16px;flex-wrap:wrap}

/* contact */
.contact-wrap{display:grid;grid-template-columns:1fr 1fr;gap:50px}
.contact-info li{display:flex;gap:14px;margin-bottom:22px}
.contact-info .ic{width:44px;height:44px;border-radius:50%;background:var(--azul-100);color:var(--azul-700);display:flex;align-items:center;justify-content:center;font-weight:800}
form.booking{background:var(--cinza-100);padding:30px;border-radius:var(--radius)}
form.booking label{display:block;font-size:.85rem;font-weight:700;margin:14px 0 6px}
form.booking input,form.booking select,form.booking textarea{width:100%;padding:12px 14px;border:1px solid #d6e0ee;border-radius:8px;font-family:inherit;font-size:.95rem}
form.booking button{margin-top:22px;width:100%;border:none;cursor:pointer;font-size:1rem}
.form-msg{margin-top:14px;font-size:.9rem;color:var(--azul-700);font-weight:700;display:none}

/* footer */
footer{background:var(--azul-900);color:#c7d6f2;padding:60px 0 20px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px;margin-bottom:40px}
.footer-grid h4{color:#fff;margin-bottom:14px}
.footer-grid li{margin-bottom:9px;font-size:.9rem}
.footer-grid li a:hover{color:#fff}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding-top:20px;text-align:center;font-size:.82rem;color:#8fa4cc}
.socials{display:flex;gap:12px;margin-top:14px}
.socials a{width:36px;height:36px;border-radius:50%;background:rgba(255,255,255,.1);display:flex;align-items:center;justify-content:center}

@media(max-width:960px){
  .hero .container,.advisor .container,.contact-wrap{grid-template-columns:1fr}
  .grid-services,.values-grid,.case-grid,.reviews-grid{grid-template-columns:repeat(2,1fr)}
  .why-grid,.team-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:640px){
  .nav ul{position:fixed;top:70px;left:0;right:0;background:#fff;flex-direction:column;padding:20px 24px;display:none;box-shadow:0 10px 20px rgba(0,0,0,.08)}
  .nav ul.open{display:flex}
  #menu-toggle{display:block}
  .nav-cta .btn-primary{display:none}
  .grid-services,.values-grid,.case-grid,.reviews-grid,.why-grid,.team-grid{grid-template-columns:1fr}
  .hero h1{font-size:2.1rem}
  .topbar .info span{display:none}
  .topbar .info span:first-child{display:inline}
}