/* ============================================================
   JS Impermeabilização — estilos
   Paleta: azuis profundos + ciano (água) + neutros
   ============================================================ */

:root {
    --azul-900: #06121f;
    --azul-800: #0a1f33;
    --azul-700: #0e2f4d;
    --azul-600: #134a78;
    --ciano:    #25c4d6;
    --ciano-2:  #18a0e0;
    --branco:   #f5fafd;
    --cinza:    #9fb3c4;
    --cinza-2:  #c8d6e2;
    --grad: linear-gradient(135deg, var(--ciano) 0%, var(--ciano-2) 100%);
    --grad-dark: linear-gradient(160deg, var(--azul-800) 0%, var(--azul-900) 100%);
    --shadow: 0 24px 60px -20px rgba(0, 20, 40, .45);
    --radius: 18px;
    --maxw: 1180px;
    --ease: cubic-bezier(.16, 1, .3, 1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    font-family: 'Inter', system-ui, sans-serif;
    background: var(--azul-900);
    color: var(--branco);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, .logo-text { font-family: 'Sora', sans-serif; line-height: 1.1; }

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

.section { padding: 120px 0; position: relative; }

.eyebrow {
    display: inline-block;
    font-size: .8rem; font-weight: 600; letter-spacing: .18em;
    text-transform: uppercase; color: var(--ciano);
    margin-bottom: 16px;
}
.eyebrow--light { color: var(--ciano); }

.hl { color: var(--ciano); }

.section-head { text-align: center; max-width: 680px; margin: 0 auto 64px; }
.section-head h2 { font-size: clamp(1.9rem, 4vw, 2.8rem); margin-bottom: 16px; font-weight: 800; }
.section-head p { color: var(--cinza-2); font-size: 1.05rem; }
.h2--light { color: var(--branco); }

/* ---------- Botões ---------- */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    padding: 15px 30px; border-radius: 50px; font-weight: 600; font-size: .95rem;
    cursor: pointer; border: none; transition: transform .35s var(--ease), box-shadow .35s var(--ease), background .3s;
    position: relative; overflow: hidden; font-family: 'Inter', sans-serif;
}
.btn-primary { background: var(--grad); color: #04121d; box-shadow: 0 12px 30px -8px rgba(37, 196, 214, .5); }
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 20px 40px -8px rgba(37, 196, 214, .65); }
.btn-ghost { background: rgba(255,255,255,.06); color: var(--branco); border: 1px solid rgba(255,255,255,.18); backdrop-filter: blur(6px); }
.btn-ghost:hover { background: rgba(255,255,255,.14); transform: translateY(-3px); }
.btn-block { width: 100%; }
.btn-nav { padding: 10px 22px; background: var(--grad); color: #04121d; }

/* ============================================================
   HEADER
   ============================================================ */
.scroll-progress {
    position: fixed; top: 0; left: 0; height: 3px; width: 0%;
    background: var(--grad); z-index: 1000; transition: width .1s linear;
    box-shadow: 0 0 12px var(--ciano);
}

.site-header {
    position: fixed; top: 0; left: 0; right: 0; z-index: 900;
    padding: 22px 0; transition: padding .4s var(--ease), background .4s, backdrop-filter .4s;
}
.site-header.scrolled {
    padding: 12px 0;
    background: rgba(6, 18, 31, .82);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid rgba(255,255,255,.06);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; }

.logo { display: flex; align-items: center; gap: 12px; font-weight: 700; }
.logo-mark {
    width: 42px; height: 42px; display: grid; place-items: center;
    background: var(--grad); color: #04121d; border-radius: 12px;
    font-family: 'Sora', sans-serif; font-weight: 800; font-size: 1.05rem;
    box-shadow: 0 8px 20px -6px rgba(37,196,214,.6);
}
.logo-text { font-size: 1.15rem; letter-spacing: -.01em; }

.nav { display: flex; align-items: center; gap: 32px; }
.nav a { font-size: .95rem; font-weight: 500; color: var(--cinza-2); position: relative; transition: color .3s; }
.nav a:not(.btn)::after {
    content: ''; position: absolute; left: 0; bottom: -6px; height: 2px; width: 0;
    background: var(--ciano); transition: width .35s var(--ease);
}
.nav a:not(.btn):hover { color: var(--branco); }
.nav a:not(.btn):hover::after { width: 100%; }

.nav-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 8px; }
.nav-toggle span { width: 26px; height: 2px; background: var(--branco); border-radius: 2px; transition: .35s var(--ease); }
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ============================================================
   HERO
   ============================================================ */
.hero {
    min-height: 100vh; display: flex; align-items: center; position: relative;
    overflow: hidden; background: var(--grad-dark);
}
.hero-bg {
    position: absolute; inset: -10% 0 0 0; z-index: 0;
    background:
        radial-gradient(circle at 70% 30%, rgba(37,196,214,.22), transparent 45%),
        radial-gradient(circle at 20% 80%, rgba(24,160,224,.18), transparent 45%),
        linear-gradient(180deg, rgba(6,18,31,.62) 0%, rgba(6,18,31,.82) 100%),
        url("../img/hero-laje.jpg") center / cover no-repeat;
    will-change: transform;
}
.hero-overlay { position: absolute; inset: 0; background: linear-gradient(180deg, transparent 50%, var(--azul-900) 100%); z-index: 1; }
.hero-blob {
    position: absolute; border-radius: 50%; filter: blur(70px); z-index: 0; opacity: .5;
    will-change: transform;
}
.hero-blob--1 { width: 480px; height: 480px; background: radial-gradient(circle, var(--ciano), transparent 70%); top: -120px; right: -100px; }
.hero-blob--2 { width: 420px; height: 420px; background: radial-gradient(circle, var(--ciano-2), transparent 70%); bottom: -140px; left: -120px; }

.hero-content { position: relative; z-index: 2; max-width: 820px; padding-top: 80px; }
.hero-tag {
    display: inline-block; padding: 8px 18px; border-radius: 50px;
    background: rgba(37,196,214,.12); border: 1px solid rgba(37,196,214,.3);
    color: var(--ciano); font-size: .85rem; font-weight: 600; margin-bottom: 28px;
}
.hero-title { font-size: clamp(2.6rem, 7vw, 5rem); font-weight: 800; margin-bottom: 26px; letter-spacing: -.02em; }
.hero-title em { color: var(--ciano); font-style: normal; }
.hero-title .line { display: block; overflow: hidden; }
.hero-title .line span {
    display: inline-block; transform: translateY(110%);
    animation: heroReveal 1s var(--ease) forwards;
}
.hero-title .line:nth-child(2) span { animation-delay: .15s; }
@keyframes heroReveal { to { transform: translateY(0); } }

.hero-sub { font-size: 1.18rem; color: var(--cinza-2); max-width: 600px; margin-bottom: 38px; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }

.scroll-hint {
    position: absolute; bottom: 32px; left: 50%; transform: translateX(-50%);
    z-index: 3; display: flex; flex-direction: column; align-items: center; gap: 10px;
    color: var(--cinza); font-size: .75rem; letter-spacing: .15em; text-transform: uppercase;
}
.mouse { width: 24px; height: 38px; border: 2px solid var(--cinza); border-radius: 14px; display: flex; justify-content: center; padding-top: 7px; }
.wheel { width: 4px; height: 8px; background: var(--ciano); border-radius: 4px; animation: wheel 1.6s infinite; }
@keyframes wheel { 0% { opacity: 1; transform: translateY(0); } 100% { opacity: 0; transform: translateY(12px); } }

/* ============================================================
   STATS
   ============================================================ */
.stats { background: var(--azul-800); padding: 70px 0; border-block: 1px solid rgba(255,255,255,.05); }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; text-align: center; }
.stat-num { font-family: 'Sora', sans-serif; font-size: clamp(2.2rem, 5vw, 3.4rem); font-weight: 800; color: var(--ciano); line-height: 1; }
.stat-label { color: var(--cinza-2); font-size: .95rem; margin-top: 10px; }

/* ============================================================
   SOBRE
   ============================================================ */
.sobre-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: 70px; align-items: center; }
.sobre-visual { position: relative; }
.sobre-img {
    aspect-ratio: 4/5; border-radius: var(--radius); position: relative; overflow: hidden;
    background:
        linear-gradient(160deg, rgba(37,196,214,.30), rgba(6,18,31,.55)),
        url("../img/sobre-servico.jpg") center / cover no-repeat;
    box-shadow: var(--shadow); border: 1px solid rgba(255,255,255,.08);
    transition: transform .4s var(--ease);
}
.sobre-badge {
    position: absolute; bottom: -28px; right: -20px;
    background: var(--grad); color: #04121d; padding: 22px 26px; border-radius: 16px;
    box-shadow: 0 18px 40px -12px rgba(37,196,214,.6); text-align: center;
}
.sobre-badge-num { display: block; font-family: 'Sora', sans-serif; font-size: 2rem; font-weight: 800; line-height: 1; }
.sobre-badge-text { font-size: .78rem; font-weight: 600; }

.sobre-text h2 { font-size: clamp(1.8rem, 4vw, 2.6rem); font-weight: 800; margin-bottom: 22px; }
.sobre-text p { color: var(--cinza-2); margin-bottom: 24px; }
.check-list { list-style: none; margin-bottom: 32px; display: grid; gap: 14px; }
.check-list li { position: relative; padding-left: 34px; color: var(--cinza-2); }
.check-list li::before {
    content: '✓'; position: absolute; left: 0; top: 2px;
    width: 22px; height: 22px; background: var(--grad); color: #04121d;
    border-radius: 50%; display: grid; place-items: center; font-size: .75rem; font-weight: 700;
}
.check-list li strong { color: var(--branco); font-weight: 600; }

/* ============================================================
   SERVIÇOS (cards)
   ============================================================ */
.cards-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.card {
    background: linear-gradient(160deg, rgba(255,255,255,.04), rgba(255,255,255,.01));
    border: 1px solid rgba(255,255,255,.07); border-radius: var(--radius);
    padding: 36px 30px; position: relative; overflow: hidden;
    transition: transform .45s var(--ease), border-color .4s, box-shadow .45s var(--ease);
}
.card::before {
    content: ''; position: absolute; inset: 0; opacity: 0; transition: opacity .45s;
    background: radial-gradient(400px circle at var(--mx,50%) var(--my,0%), rgba(37,196,214,.14), transparent 60%);
}
.card:hover { transform: translateY(-8px); border-color: rgba(37,196,214,.4); box-shadow: var(--shadow); }
.card:hover::before { opacity: 1; }
.card-icon {
    width: 60px; height: 60px; border-radius: 14px; display: grid; place-items: center;
    background: rgba(37,196,214,.12); border: 1px solid rgba(37,196,214,.25);
    color: var(--ciano); margin-bottom: 22px; transition: transform .45s var(--ease);
}
.card-icon svg { width: 30px; height: 30px; }
.card:hover .card-icon { transform: scale(1.1) rotate(-6deg); }
.card h3 { font-size: 1.25rem; margin-bottom: 12px; }
.card p { color: var(--cinza); font-size: .96rem; }
.card-arrow { position: absolute; top: 36px; right: 30px; color: var(--ciano); font-size: 1.3rem; opacity: 0; transform: translateX(-8px); transition: .4s var(--ease); }
.card:hover .card-arrow { opacity: 1; transform: translateX(0); }

/* ============================================================
   PROCESSO
   ============================================================ */
.processo { background: var(--azul-800); overflow: hidden; }
.processo-bg {
    position: absolute; inset: 0; z-index: 0;
    background:
        radial-gradient(circle at 80% 20%, rgba(37,196,214,.20), transparent 50%),
        linear-gradient(180deg, rgba(10,31,51,.90) 0%, rgba(6,18,31,.95) 100%),
        url("../img/processo-obra.jpg") center / cover no-repeat;
}
.processo .container { position: relative; z-index: 1; }
.timeline { display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; position: relative; }
.timeline::before {
    content: ''; position: absolute; top: 36px; left: 5%; right: 5%; height: 2px;
    background: linear-gradient(90deg, transparent, rgba(37,196,214,.4), transparent);
}
.step { text-align: center; position: relative; }
.step-num {
    width: 74px; height: 74px; margin: 0 auto 22px; border-radius: 50%;
    display: grid; place-items: center; font-family: 'Sora', sans-serif; font-weight: 800;
    font-size: 1.4rem; color: var(--ciano);
    background: var(--azul-900); border: 2px solid rgba(37,196,214,.4);
    position: relative; z-index: 1; transition: transform .4s var(--ease), background .4s, color .4s;
}
.step:hover .step-num { background: var(--grad); color: #04121d; transform: scale(1.08); }
.step h3 { font-size: 1.2rem; margin-bottom: 10px; }
.step p { color: var(--cinza); font-size: .92rem; }

/* ============================================================
   DEPOIMENTOS
   ============================================================ */
.depo-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.depo {
    background: linear-gradient(160deg, rgba(255,255,255,.04), rgba(255,255,255,.01));
    border: 1px solid rgba(255,255,255,.07); border-radius: var(--radius); padding: 32px 28px;
    transition: transform .4s var(--ease), border-color .4s;
}
.depo:hover { transform: translateY(-6px); border-color: rgba(37,196,214,.3); }
.depo-stars { color: #ffc857; letter-spacing: 2px; margin-bottom: 16px; }
.depo blockquote { color: var(--cinza-2); font-size: 1rem; font-style: italic; margin-bottom: 24px; }
.depo figcaption { display: flex; align-items: center; gap: 14px; }
.depo-avatar {
    width: 46px; height: 46px; border-radius: 50%; background: var(--grad); color: #04121d;
    display: grid; place-items: center; font-family: 'Sora', sans-serif; font-weight: 800;
}
.depo figcaption strong { display: block; font-size: .98rem; }
.depo figcaption small { color: var(--cinza); }

/* ============================================================
   CONTATO
   ============================================================ */
.contato { background: var(--grad-dark); }
.contato-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: 60px; align-items: center; }
.contato-info h2 { font-size: clamp(1.8rem, 4vw, 2.6rem); font-weight: 800; margin-bottom: 18px; }
.contato-info p { color: var(--cinza-2); margin-bottom: 28px; }
.contato-list { list-style: none; display: grid; gap: 16px; }
.contato-list li { display: flex; align-items: center; gap: 12px; color: var(--cinza-2); }
.contato-list li span { font-size: 1.2rem; }
.contato-list a:hover { color: var(--ciano); }

.contato-form {
    background: rgba(255,255,255,.04); border: 1px solid rgba(255,255,255,.08);
    border-radius: var(--radius); padding: 36px; backdrop-filter: blur(10px); box-shadow: var(--shadow);
}
.form-row { margin-bottom: 18px; }
.form-row--2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.contato-form label { display: block; font-size: .85rem; font-weight: 600; color: var(--cinza-2); }
.contato-form input, .contato-form select, .contato-form textarea {
    width: 100%; margin-top: 8px; padding: 13px 16px; border-radius: 12px;
    background: rgba(6,18,31,.6); border: 1px solid rgba(255,255,255,.12);
    color: var(--branco); font-family: 'Inter', sans-serif; font-size: .95rem;
    transition: border-color .3s, box-shadow .3s; resize: vertical;
}
.contato-form input::placeholder, .contato-form textarea::placeholder { color: var(--cinza); }
.contato-form input:focus, .contato-form select:focus, .contato-form textarea:focus {
    outline: none; border-color: var(--ciano); box-shadow: 0 0 0 3px rgba(37,196,214,.18);
}
.contato-form option { background: var(--azul-800); }
.form-hint { margin-top: 12px; font-size: .82rem; color: var(--cinza); text-align: center; }

/* ============================================================
   RETORNO (página de contato)
   ============================================================ */
.retorno { min-height: 80vh; display: flex; align-items: center; padding-top: 160px; }
.retorno-box { max-width: 560px; margin: 0 auto; text-align: center; }
.retorno-icon {
    width: 88px; height: 88px; margin: 0 auto 28px; border-radius: 50%;
    display: grid; place-items: center; font-size: 2.6rem; font-weight: 800;
}
.retorno-icon--ok { background: var(--grad); color: #04121d; box-shadow: 0 16px 40px -10px rgba(37,196,214,.6); }
.retorno-icon--err { background: rgba(255,90,90,.15); color: #ff6b6b; border: 2px solid rgba(255,90,90,.4); }
.retorno-box h1 { font-size: clamp(1.8rem, 4vw, 2.6rem); margin-bottom: 16px; }
.retorno-box p { color: var(--cinza-2); margin-bottom: 30px; }
.retorno-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer { background: var(--azul-900); padding: 80px 0 30px; border-top: 1px solid rgba(255,255,255,.06); }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1.3fr; gap: 40px; margin-bottom: 50px; }
.footer-brand p { color: var(--cinza); margin-top: 18px; max-width: 320px; }
.logo--footer { margin-bottom: 4px; }
.footer-col h4 { font-size: 1rem; margin-bottom: 18px; }
.footer-col a, .footer-col span { display: block; color: var(--cinza); margin-bottom: 12px; font-size: .94rem; transition: color .3s; }
.footer-col a:hover { color: var(--ciano); }
.footer-social { display: flex; gap: 20px; margin-top: 20px; }
.footer-social a {
    color: var(--cinza-2); font-size: .9rem; font-weight: 600;
    padding-bottom: 3px; border-bottom: 2px solid transparent; transition: color .3s, border-color .3s;
}
.footer-social a:hover { color: var(--ciano); border-color: var(--ciano); }
.footer-bottom {
    display: flex; justify-content: space-between; padding-top: 26px;
    border-top: 1px solid rgba(255,255,255,.06); color: var(--cinza); font-size: .85rem; flex-wrap: wrap; gap: 10px;
}

/* ============================================================
   WHATSAPP FLOAT
   ============================================================ */
.whatsapp-float {
    position: fixed; bottom: 26px; right: 26px; z-index: 800;
    width: 58px; height: 58px; border-radius: 50%; background: #25d366; color: #fff;
    display: grid; place-items: center; box-shadow: 0 10px 30px -6px rgba(37,211,102,.6);
    transition: transform .35s var(--ease); animation: pulse 2.4s infinite;
}
.whatsapp-float:hover { transform: scale(1.1); }
@keyframes pulse {
    0% { box-shadow: 0 10px 30px -6px rgba(37,211,102,.6), 0 0 0 0 rgba(37,211,102,.45); }
    70% { box-shadow: 0 10px 30px -6px rgba(37,211,102,.6), 0 0 0 18px rgba(37,211,102,0); }
    100% { box-shadow: 0 10px 30px -6px rgba(37,211,102,.6), 0 0 0 0 rgba(37,211,102,0); }
}

/* ============================================================
   ANIMAÇÕES DE SCROLL (reveal)
   ============================================================ */
.reveal, .reveal-left, .reveal-right {
    opacity: 0; transition: opacity .9s var(--ease), transform .9s var(--ease); will-change: transform, opacity;
}
.reveal { transform: translateY(46px); }
.reveal-left { transform: translateX(-60px); }
.reveal-right { transform: translateX(60px); }
.reveal.in, .reveal-left.in, .reveal-right.in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
    * { animation: none !important; transition: none !important; }
    .reveal, .reveal-left, .reveal-right { opacity: 1; transform: none; }
    html { scroll-behavior: auto; }
}

/* ============================================================
   RESPONSIVO
   ============================================================ */
@media (max-width: 980px) {
    .sobre-grid, .contato-grid { grid-template-columns: 1fr; gap: 50px; }
    .sobre-visual { max-width: 420px; }
    .cards-grid, .depo-grid { grid-template-columns: repeat(2, 1fr); }
    .timeline { grid-template-columns: repeat(2, 1fr); gap: 40px 24px; }
    .timeline::before { display: none; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 720px) {
    .section { padding: 80px 0; }
    .nav {
        position: fixed; inset: 0 0 0 auto; width: min(78vw, 320px);
        flex-direction: column; align-items: flex-start; justify-content: center; gap: 26px;
        background: rgba(6,18,31,.97); backdrop-filter: blur(20px); padding: 40px;
        transform: translateX(100%); transition: transform .45s var(--ease); z-index: 950;
    }
    .nav.open { transform: translateX(0); }
    .nav a { font-size: 1.15rem; }
    .nav-toggle { display: flex; z-index: 960; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 36px 20px; }
    .cards-grid, .depo-grid, .timeline, .footer-grid { grid-template-columns: 1fr; }
    .form-row--2 { grid-template-columns: 1fr; }
    .sobre-badge { right: 10px; bottom: -20px; }
    .hero-content { padding-top: 110px; }
}