/* ===================================================
   DTAR — Elétrica & Ar Condicionado
   style.css
=================================================== */

/* === RESET & CUSTOM PROPERTIES === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
    --primary:       #0a1628;
    --primary-light: #162035;
    --accent:        #f97316;
    --accent-dark:   #ea6d0e;
    --text:          #1e293b;
    --text-muted:    #64748b;
    --bg:            #ffffff;
    --bg-alt:        #f8f7f4;
    --border:        #e2e8f0;
    --wa:            #25d366;
    --wa-dark:       #1ebe5d;
    --radius:        12px;
    --radius-lg:     20px;
    --shadow:        0 4px 24px rgba(0,0,0,0.07);
    --shadow-lg:     0 8px 48px rgba(0,0,0,0.14);
    --transition:    0.25s ease;
    --font:          'Inter', system-ui, -apple-system, sans-serif;
}

html { scroll-behavior: smooth; }

body {
    font-family: var(--font);
    color: var(--text);
    background: var(--bg);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; height: auto; }
a   { color: inherit; text-decoration: none; }
em  { font-style: italic; }

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ===================================================
   BUTTONS
=================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 15px 30px;
    border-radius: 50px;
    font-family: var(--font);
    font-weight: 700;
    font-size: 1rem;
    cursor: pointer;
    border: none;
    transition: all var(--transition);
    white-space: nowrap;
}

.btn-whatsapp {
    background: var(--wa);
    color: #fff;
    box-shadow: 0 4px 20px rgba(37,211,102,0.35);
}
.btn-whatsapp:hover {
    background: var(--wa-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 28px rgba(37,211,102,0.45);
}

.btn-outline {
    background: transparent;
    color: #fff;
    border: 2px solid rgba(255,255,255,0.55);
}
.btn-outline:hover {
    background: rgba(255,255,255,0.12);
    border-color: #fff;
    transform: translateY(-2px);
}

.btn-service {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    background: var(--accent);
    color: #fff;
    border-radius: var(--radius);
    padding: 15px 24px;
    font-weight: 700;
    border: none;
    cursor: pointer;
    font-family: var(--font);
    font-size: 0.95rem;
    transition: all var(--transition);
}
.btn-service:hover {
    background: var(--accent-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(249,115,22,0.35);
}

.btn-primary-solid {
    background: var(--primary);
    color: #fff;
    border: none;
}
.btn-primary-solid:hover {
    background: var(--primary-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-full { width: 100%; justify-content: center; }

/* ===================================================
   SECTION COMMON
=================================================== */
.section-header {
    text-align: center;
    max-width: 640px;
    margin: 0 auto 56px;
}

.section-badge {
    display: inline-block;
    background: rgba(249,115,22,0.1);
    color: var(--accent);
    padding: 6px 16px;
    border-radius: 50px;
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin-bottom: 16px;
}

.section-title {
    font-size: clamp(1.8rem, 4vw, 2.5rem);
    font-weight: 800;
    color: var(--primary);
    line-height: 1.15;
    margin-bottom: 16px;
}

.section-subtitle {
    color: var(--text-muted);
    font-size: 1.05rem;
}

/* ===================================================
   HEADER (sticky)
=================================================== */
.header {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 1000;
    padding: 18px 0;
    transition: background var(--transition), padding var(--transition), box-shadow var(--transition);
}
.header-scrolled {
    background: var(--primary);
    padding: 12px 0;
    box-shadow: 0 4px 32px rgba(0,0,0,0.3);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.logo {
    font-size: 1.9rem;
    font-weight: 900;
    color: #fff;
    letter-spacing: -0.03em;
    line-height: 1;
    flex-shrink: 0;
}
.logo-dot { color: var(--accent); }

.nav-list {
    display: flex;
    list-style: none;
    gap: 4px;
}
.nav-link {
    display: block;
    color: rgba(255,255,255,0.8);
    padding: 8px 12px;
    border-radius: 8px;
    font-size: 0.88rem;
    font-weight: 500;
    transition: all var(--transition);
}
.nav-link:hover {
    color: #fff;
    background: rgba(255,255,255,0.1);
}

.header-cta {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--accent);
    color: #fff;
    padding: 10px 20px;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 700;
    white-space: nowrap;
    flex-shrink: 0;
    transition: all var(--transition);
}
.header-cta:hover {
    background: var(--accent-dark);
    transform: translateY(-1px);
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    z-index: 1002;
}
.hamburger span {
    display: block;
    width: 24px; height: 2px;
    background: #fff;
    border-radius: 2px;
    transition: all var(--transition);
}
.hamburger-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger-open span:nth-child(2) { opacity: 0; }
.hamburger-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ===================================================
   HERO
=================================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 140px 0 80px;
    color: #fff;
    overflow: hidden;
    background: var(--primary);
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}
.hero-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    /* Otimização: hint ao browser para pré-carregar */
    will-change: auto;
}
.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        135deg,
        rgba(10,22,40,0.95) 0%,
        rgba(10,22,40,0.80) 55%,
        rgba(10,22,40,0.55) 100%
    );
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
}

.hero-badge {
    display: inline-block;
    background: rgba(249,115,22,0.18);
    border: 1px solid rgba(249,115,22,0.4);
    color: #fbbf24;
    padding: 8px 20px;
    border-radius: 50px;
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    margin-bottom: 28px;
}

.hero-title {
    font-size: clamp(2.4rem, 5.5vw, 4rem);
    font-weight: 900;
    line-height: 1.08;
    letter-spacing: -0.02em;
    margin-bottom: 24px;
}
.hero-title em { color: var(--accent); }

.hero-subtitle {
    font-size: clamp(1rem, 1.8vw, 1.18rem);
    color: rgba(255,255,255,0.8);
    line-height: 1.7;
    margin-bottom: 40px;
    max-width: 580px;
}
.hero-subtitle strong { color: #fff; }

.hero-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 60px;
}

.hero-stats {
    display: flex;
    align-items: center;
    gap: 32px;
    padding-top: 32px;
    border-top: 1px solid rgba(255,255,255,0.12);
    flex-wrap: wrap;
}
.stat strong {
    display: block;
    font-size: 2rem;
    font-weight: 900;
    color: var(--accent);
    line-height: 1;
}
.stat span {
    display: block;
    font-size: 0.73rem;
    color: rgba(255,255,255,0.65);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-top: 4px;
}
.stat-divider {
    width: 1px;
    height: 48px;
    background: rgba(255,255,255,0.15);
}

/* ===================================================
   SERVIÇOS
=================================================== */
.servicos {
    padding: 100px 0;
    background: var(--primary);
}
.servicos .section-badge   { background: rgba(249,115,22,0.18); color: #fbbf24; }
.servicos .section-title   { color: #fff; }
.servicos .section-subtitle { color: rgba(255,255,255,0.55); }

.servicos-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
}

.servico-card {
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: border-color var(--transition), box-shadow var(--transition);
}
.servico-card:hover {
    border-color: rgba(249,115,22,0.4);
    box-shadow: 0 8px 40px rgba(249,115,22,0.12);
}

.servico-img-wrap {
    position: relative;
    height: 240px;
    overflow: hidden;
    background: var(--primary-light);
}
.servico-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.45s ease;
}
.servico-card:hover .servico-img { transform: scale(1.06); }

.servico-img-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to bottom, rgba(10,22,40,0.2) 0%, rgba(10,22,40,0.75) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(249,115,22,0.8);
}

.servico-title-img {
    position: absolute;
    bottom: -1px;
    left: 20px;
    font-size: 1.5rem;
    font-weight: 900;
    color: #fff;
    background: var(--accent);
    padding: 6px 20px;
    border-radius: 8px 8px 0 0;
}

.servico-body { padding: 28px 24px 24px; }

.servico-list {
    list-style: none;
    display: grid;
    gap: 10px;
    margin-bottom: 16px;
}
.servico-list li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 0.9rem;
    color: rgba(255,255,255,0.82);
    line-height: 1.5;
}
.servico-list li::before {
    content: "⚡";
    font-size: 0.7rem;
    margin-top: 3px;
    flex-shrink: 0;
    opacity: 0.85;
}

.servico-areas {
    font-size: 0.8rem;
    color: rgba(255,255,255,0.45);
    margin-bottom: 4px;
}

/* ===================================================
   PROCESSO DE ATENDIMENTO
=================================================== */
.processo {
    padding: 100px 0;
    background: var(--bg);
}

.processo-grid {
    display: flex;
    align-items: center;
    gap: 0;
}

.processo-step {
    flex: 1;
    background: var(--bg-alt);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 40px 32px;
    text-align: center;
    transition: all var(--transition);
    position: relative;
}
.processo-step:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(249,115,22,0.3);
}

/* Wrapper para o 3º step (destaque) */
.processo-step--highlight {
    text-align: center;
}

.processo-step:last-child {
    background: var(--primary);
    border-color: var(--accent);
}
.processo-step:last-child .processo-num   { color: rgba(249,115,22,0.5); }
.processo-step:last-child h3              { color: #fff; }
.processo-step:last-child p               { color: rgba(255,255,255,0.75); }
.processo-step:last-child .processo-icon  { background: rgba(249,115,22,0.15); color: var(--accent); }
.processo-step:last-child p strong        { color: #fff; }

.processo-num {
    font-size: 3.5rem;
    font-weight: 900;
    color: rgba(249,115,22,0.18);
    line-height: 1;
    margin-bottom: 16px;
    font-variant-numeric: tabular-nums;
}

.processo-icon {
    width: 72px;
    height: 72px;
    background: rgba(249,115,22,0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
    margin: 0 auto 20px;
}

.processo-step h3 {
    font-size: 1.15rem;
    font-weight: 800;
    color: var(--primary);
    margin-bottom: 12px;
}

.processo-step p {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.75;
    margin-bottom: 16px;
}
.processo-step p strong { color: var(--primary); }

.processo-cta {
    display: inline-block;
    color: var(--wa);
    font-weight: 700;
    font-size: 0.88rem;
    transition: color var(--transition);
}
.processo-cta:hover { color: var(--wa-dark); }

.processo-arrow {
    font-size: 2rem;
    color: var(--accent);
    font-weight: 900;
    padding: 0 16px;
    flex-shrink: 0;
    opacity: 0.6;
}

/* ===================================================
   DIFERENCIAIS
=================================================== */
.diferenciais {
    padding: 100px 0;
    background: var(--bg-alt);
}

.diferenciais-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.diferencial-card {
    background: #fff;
    padding: 36px 28px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    transition: all var(--transition);
}
.diferencial-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(249,115,22,0.35);
}

.diferencial-icon {
    width: 64px;
    height: 64px;
    background: rgba(249,115,22,0.1);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
    margin-bottom: 20px;
}
.diferencial-card h3 {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 10px;
}
.diferencial-card p {
    color: var(--text-muted);
    font-size: 0.9rem;
    line-height: 1.75;
}
.diferencial-card strong { color: var(--primary); }

/* ===================================================
   SOBRE
=================================================== */
.sobre {
    padding: 100px 0;
    background: var(--bg);
}

.sobre-inner {
    display: grid;
    grid-template-columns: 1fr 1.15fr;
    gap: 80px;
    align-items: center;
}

.sobre-image {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    aspect-ratio: 4 / 5;
    background: var(--bg-alt);
}
.sobre-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top center;
}

.sobre-content .section-badge { display: inline-block; margin-bottom: 12px; }
.sobre-content .section-title { text-align: left; margin-bottom: 20px; }
.sobre-content p {
    color: var(--text-muted);
    margin-bottom: 16px;
    line-height: 1.8;
}
.sobre-content strong { color: var(--primary); font-weight: 700; }

.sobre-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 24px;
}
.badge-item {
    background: rgba(249,115,22,0.08);
    color: var(--accent);
    border: 1px solid rgba(249,115,22,0.2);
    padding: 7px 16px;
    border-radius: 50px;
    font-size: 0.82rem;
    font-weight: 600;
}

/* ===================================================
   CONTATO
=================================================== */
.contato {
    padding: 100px 0;
    background: var(--bg-alt);
}

.contato-grid {
    display: grid;
    grid-template-columns: 1.3fr 1fr;
    gap: 48px;
    align-items: start;
}

.contato-form-wrap {
    background: #fff;
    padding: 40px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
}
.form-title {
    font-size: 1.1rem;
    font-weight: 800;
    color: var(--primary);
    margin-bottom: 28px;
}
.contato-form {
    display: flex;
    flex-direction: column;
    gap: 18px;
}
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}
.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}
.form-group label {
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--primary);
}
.form-group input,
.form-group select,
.form-group textarea {
    padding: 13px 16px;
    border: 1.5px solid var(--border);
    border-radius: var(--radius);
    font-family: var(--font);
    font-size: 0.95rem;
    color: var(--text);
    background: var(--bg);
    outline: none;
    resize: vertical;
    transition: border-color var(--transition), box-shadow var(--transition);
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(249,115,22,0.12);
}

.contato-info {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.contato-card {
    background: #fff;
    padding: 20px 24px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 16px;
    transition: transform var(--transition), box-shadow var(--transition);
}
.contato-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.contato-card-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    background: rgba(249,115,22,0.1);
    color: var(--accent);
}
.contato-card--wa    .contato-card-icon { background: rgba(37,211,102,0.1); color: var(--wa); }
.contato-card--phone .contato-card-icon { background: rgba(10,22,40,0.07);  color: var(--primary); }

.contato-card-label {
    display: block;
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.07em;
    color: var(--text-muted);
    margin-bottom: 3px;
}
.contato-card-value {
    display: block;
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--primary);
    transition: color var(--transition);
}
.contato-card-value:hover     { color: var(--accent); }
.contato-card-value--wa       { color: var(--wa); }
.contato-card-value--wa:hover { color: var(--wa-dark); }
.contato-card-sub {
    display: block;
    font-size: 0.78rem;
    color: var(--text-muted);
    margin-top: 3px;
    line-height: 1.5;
}

/* Google Maps */
.mapa-wrap {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
    line-height: 0;
}
.mapa-wrap iframe {
    display: block;
    width: 100%;
    height: 240px;
    border: 0;
}

/* ===================================================
   FOOTER
=================================================== */
.footer {
    background: var(--primary);
    color: rgba(255,255,255,0.6);
}

.footer-inner {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 40px;
    padding: 56px 24px 48px;
    flex-wrap: wrap;
}

.footer-logo {
    font-size: 1.8rem;
    font-weight: 900;
    color: #fff;
    letter-spacing: -0.02em;
    margin-bottom: 12px;
}
.footer-brand p {
    font-size: 0.85rem;
    line-height: 1.7;
    margin-bottom: 8px;
}
.footer-areas {
    font-size: 0.78rem !important;
    color: rgba(255,255,255,0.4) !important;
}

.footer-nav,
.footer-contact {
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.footer-nav strong,
.footer-contact strong {
    color: rgba(255,255,255,0.9);
    font-size: 0.82rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: 4px;
}
.footer-nav a,
.footer-contact a {
    font-size: 0.9rem;
    transition: color var(--transition);
}
.footer-nav a:hover,
.footer-contact a:hover { color: var(--accent); }

.footer-wa {
    margin-top: 4px;
    color: var(--wa) !important;
    font-weight: 600;
}
.footer-wa:hover { color: var(--wa-dark) !important; }

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.08);
    padding: 20px 24px;
    text-align: center;
    font-size: 0.78rem;
}

/* ===================================================
   FLOATING WHATSAPP BUTTON
=================================================== */
.whatsapp-float {
    position: fixed;
    bottom: 32px;
    right: 32px;
    z-index: 9999;
    display: flex;
    align-items: center;
    gap: 10px;
    background: var(--wa);
    color: #fff;
    padding: 14px 22px 14px 18px;
    border-radius: 50px;
    box-shadow: 0 8px 32px rgba(37,211,102,0.45);
    font-weight: 700;
    font-size: 0.9rem;
    transition: all var(--transition);
    animation: pulse-wa 2.8s ease-in-out infinite;
    text-decoration: none;
}
.whatsapp-float:hover {
    background: var(--wa-dark);
    transform: translateY(-3px) scale(1.04);
    box-shadow: 0 12px 40px rgba(37,211,102,0.55);
    animation: none;
}

@keyframes pulse-wa {
    0%,100% { box-shadow: 0 8px 32px rgba(37,211,102,0.45); }
    50%      { box-shadow: 0 8px 48px rgba(37,211,102,0.7), 0 0 0 10px rgba(37,211,102,0.1); }
}

/* ===================================================
   RESPONSIVE — 1024px
=================================================== */
@media (max-width: 1024px) {
    .diferenciais-grid { grid-template-columns: repeat(2, 1fr); }
    .servicos-grid     { grid-template-columns: 1fr; }
    .sobre-inner       { grid-template-columns: 1fr; gap: 40px; }
    .contato-grid      { grid-template-columns: 1fr; }
    .form-row          { grid-template-columns: 1fr; }

    .processo-grid  { flex-direction: column; gap: 8px; }
    .processo-arrow { transform: rotate(90deg); padding: 4px 0; }
    .processo-step  { width: 100%; }
}

/* ===================================================
   RESPONSIVE — 768px (mobile)
=================================================== */
@media (max-width: 768px) {
    /* Fullscreen nav overlay */
    .nav {
        position: fixed;
        inset: 0;
        background: var(--primary);
        display: flex;
        align-items: center;
        justify-content: center;
        opacity: 0;
        pointer-events: none;
        transition: opacity var(--transition);
        z-index: 1001;
    }
    .nav-open {
        opacity: 1;
        pointer-events: all;
    }
    .nav-list {
        flex-direction: column;
        text-align: center;
        gap: 12px;
    }
    .nav-link {
        font-size: 1.4rem;
        font-weight: 800;
        color: #fff;
        padding: 12px 24px;
    }

    .header-cta { display: none; }
    .hamburger  { display: flex; }

    .hero { padding: 110px 0 70px; }
    .hero-actions {
        flex-direction: column;
        align-items: stretch;
    }
    .hero-actions .btn { justify-content: center; }
    .hero-stats { gap: 20px; }
    .stat-divider { display: none; }

    .diferenciais, .servicos, .processo, .sobre, .contato { padding: 72px 0; }
    .section-header { margin-bottom: 40px; }

    .contato-form-wrap { padding: 24px 20px; }

    .footer-inner { flex-direction: column; gap: 28px; padding: 40px 24px 32px; }

    /* WhatsApp float: círculo no mobile */
    .whatsapp-float        { right: 20px; bottom: 20px; border-radius: 50%; padding: 16px; }
    .whatsapp-float-label  { display: none; }
}

@media (max-width: 480px) {
    .hero-title  { font-size: 2rem; }
    .sobre-inner { gap: 32px; }
    .diferenciais-grid { grid-template-columns: 1fr; }
}