:root {
    --ot-navy: #0b3b5b;
    --ot-navy-dark: #062338;
    --ot-accent: #1f8fd6;
    --ot-wa: #1fa855;
    --ot-wa-dark: #178a45;
    --ot-text: #1e293b;
    --ot-muted: #64748b;
    --ot-bg-alt: #f3f6f9;
    --bs-primary: #1f6fb2;
    --bs-primary-rgb: 31, 111, 178;
}

html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body { color: var(--ot-text); background: #fff; }

.skip-link { position: absolute; left: 1rem; top: .5rem; z-index: 2000; background: #fff; padding: .5rem 1rem; border-radius: .375rem; }

/* Navbar */
.site-nav { box-shadow: 0 1px 8px rgba(15, 23, 42, .06); }
.brand-logo { height: 40px; width: auto; border-radius: 6px; }
.brand-name { color: var(--ot-navy); }
.site-nav .nav-link { font-weight: 500; color: #334155; }
.site-nav .nav-link:hover, .site-nav .nav-link.active { color: var(--ot-navy); }

/* Botões */
.btn-whatsapp { background: var(--ot-wa); border-color: var(--ot-wa); color: #fff; font-weight: 600; }
.btn-whatsapp:hover, .btn-whatsapp:focus { background: var(--ot-wa-dark); border-color: var(--ot-wa-dark); color: #fff; }
.btn-outline-primary { --bs-btn-color: var(--bs-primary); --bs-btn-border-color: var(--bs-primary); --bs-btn-hover-bg: var(--bs-primary); --bs-btn-hover-border-color: var(--bs-primary); --bs-btn-active-bg: var(--bs-primary); }

/* Hero */
.hero { background: radial-gradient(circle at 85% 20%, rgba(31, 143, 214, .35), transparent 45%), linear-gradient(135deg, var(--ot-navy) 0%, var(--ot-navy-dark) 100%); color: #fff; padding: 88px 0 96px; }
.hero-eyebrow, .section-eyebrow { display: inline-block; font-size: .8rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }
.hero-eyebrow { color: #8fd0ff; }
.hero-title { font-size: clamp(2rem, 4.2vw, 3.1rem); font-weight: 800; line-height: 1.15; margin: .75rem 0 1rem; }
.hero-lead { font-size: 1.15rem; color: #d6e4f0; max-width: 40rem; }
.hero-points { background: rgba(255, 255, 255, .07); border: 1px solid rgba(255, 255, 255, .15); border-radius: 1rem; padding: 1.75rem; }
.hero-points li { display: flex; gap: .75rem; align-items: flex-start; padding: .55rem 0; color: #e8f1f8; }
.hero-points i { color: #4ade80; margin-top: .15rem; }

/* Seções */
.section { padding: 80px 0; }
.section-alt { background: var(--ot-bg-alt); }
.section-head { text-align: center; max-width: 42rem; margin: 0 auto 3rem; }
.section-eyebrow { color: var(--ot-accent); }
.section-title { font-weight: 800; color: var(--ot-navy); margin-top: .35rem; }
.section-sub { color: var(--ot-muted); margin-bottom: 0; }

/* Cards de serviço */
.service-card { border: 1px solid #e2e8f0; border-radius: 1rem; overflow: hidden; transition: transform .2s ease, box-shadow .2s ease; }
.service-card:hover { transform: translateY(-4px); box-shadow: 0 14px 30px rgba(15, 23, 42, .10); }
.service-media { height: 170px; background: linear-gradient(135deg, var(--ot-navy), #15507a); display: flex; align-items: center; justify-content: center; }
.service-media img { max-height: 100%; max-width: 100%; height: auto; width: auto; object-fit: contain; padding: 1rem; }
.service-tag { align-self: flex-start; font-size: .72rem; font-weight: 700; text-transform: uppercase; letter-spacing: .05em; color: var(--bs-primary); background: rgba(31, 111, 178, .1); padding: .25rem .6rem; border-radius: 999px; }
.service-items li { display: flex; gap: .5rem; padding: .2rem 0; color: #475569; }
.service-items i { color: var(--ot-wa); }

/* Diferenciais */
.feature { background: #fff; border: 1px solid #e2e8f0; border-radius: 1rem; padding: 1.75rem; }
.feature-icon { width: 48px; height: 48px; border-radius: 12px; background: rgba(31, 111, 178, .1); color: var(--bs-primary); display: flex; align-items: center; justify-content: center; font-size: 1.4rem; }

/* Normas */
.norma { background: var(--ot-bg-alt); border: 1px solid #e2e8f0; border-radius: 999px; padding: .4rem .9rem; font-size: .875rem; color: #334155; }
.norma i { color: var(--bs-primary); }
.eco-box { background: #ecfdf3; border: 1px solid #bbf7d0; border-radius: 1rem; padding: 2rem; color: #14532d; }

/* CTA */
.cta-band { background: linear-gradient(135deg, #15507a, var(--ot-navy)); color: #fff; padding: 56px 0; }
.cta-band p { color: #d6e4f0; }

/* Contato */
.page-head { background: linear-gradient(135deg, var(--ot-navy) 0%, var(--ot-navy-dark) 100%); color: #fff; padding: 56px 0 48px; }
.page-head p { color: #d6e4f0; }
.form-card { border: 1px solid #e2e8f0; border-radius: 1rem; box-shadow: 0 10px 30px rgba(15, 23, 42, .06); }
.contact-box { display: flex; gap: 1rem; align-items: center; background: #fff; border: 1px solid #e2e8f0; border-radius: 1rem; padding: 1.25rem; }
.contact-box > i { font-size: 1.6rem; color: var(--bs-primary); }
.contact-box a { color: var(--ot-text); text-decoration: none; }
.hp-field { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }

/* Rodapé */
.site-footer { background: var(--ot-navy-dark); color: #a9bccc; }
.site-footer a { color: #d6e4f0; text-decoration: none; }
.site-footer a:hover { color: #fff; text-decoration: underline; }

/* WhatsApp flutuante */
.whatsapp-float { position: fixed; right: 20px; bottom: 20px; width: 58px; height: 58px; border-radius: 50%; background: var(--ot-wa); color: #fff; display: flex; align-items: center; justify-content: center; font-size: 1.9rem; box-shadow: 0 8px 24px rgba(0, 0, 0, .25); z-index: 1050; transition: transform .2s ease; }
.whatsapp-float:hover { color: #fff; transform: scale(1.07); background: var(--ot-wa-dark); }

@media (max-width: 575.98px) {
    .hero { padding: 64px 0 72px; }
    .section { padding: 56px 0; }
    .brand-name { font-size: 1rem; }
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    .service-card, .whatsapp-float { transition: none; }
}