/* =========================================================
   Freitas Montador — Stylesheet
   Author: RRC Design
   ========================================================= */

:root {
    --color-dark: #3a3a3a;
    --color-darker: #2c2c2c;
    --color-darkest: #1f1f1f;
    --color-green: #8BC34A;
    --color-green-dark: #689F38;
    --color-whatsapp: #25D366;
    --color-whatsapp-dark: #128C7E;
    --color-red: #dc3545;
    --color-light: #f8f9fa;
    --color-white: #ffffff;
    --color-text: #333333;
    --color-text-muted: #6c757d;
    --color-text-light: #e0e0e0;

    --font-heading: 'Montserrat', sans-serif;
    --font-body: 'Poppins', sans-serif;

    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --shadow-card: 0 4px 12px rgba(0,0,0,0.08);
    --shadow-card-hover: 0 8px 24px rgba(0,0,0,0.15);
}

/* ===== Reset & Base ===== */
* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 70px;
}

body {
    font-family: var(--font-body);
    color: var(--color-text);
    background-color: var(--color-white);
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    text-decoration: none;
    transition: color var(--transition-fast);
}

/* ===== Navbar ===== */
#mainNav {
    background-color: var(--color-dark);
    padding: 18px 0;
    transition: background-color var(--transition-base), padding var(--transition-base);
    box-shadow: 0 2px 10px rgba(0,0,0,0.2);
}

#mainNav.navbar-scrolled {
    padding: 10px 0;
    background-color: rgba(44, 44, 44, 0.97);
}

#mainNav .navbar-brand {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1.1rem;
    letter-spacing: 0.5px;
    color: var(--color-white);
}

#mainNav .nav-link {
    color: var(--color-white) !important;
    font-family: var(--font-heading);
    font-weight: 500;
    font-size: 0.85rem;
    letter-spacing: 1px;
    padding: 8px 14px !important;
    position: relative;
}

#mainNav .nav-link::after {
    content: '';
    position: absolute;
    bottom: 4px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background-color: var(--color-green);
    transition: width var(--transition-base);
}

#mainNav .nav-link:hover::after,
#mainNav .nav-link.active::after {
    width: 60%;
}

/* ===== Hero ===== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    background-color: var(--color-darker);
    background-image:
        linear-gradient(135deg, rgba(15,15,15,0.55) 0%, rgba(30,30,30,0.60) 100%),
        url("../img/img-8.jpeg");
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-attachment: scroll;
    overflow: hidden;
    padding: 100px 0 60px;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(0,0,0,0.10) 0%, rgba(0,0,0,0.30) 100%);
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 2;
    color: var(--color-white);
}

.hero-title {
    font-family: var(--font-heading);
    font-size: clamp(2.5rem, 6vw, 5rem);
    font-weight: 800;
    letter-spacing: 4px;
    margin-bottom: 0.5rem;
    text-shadow: 0 2px 10px rgba(0,0,0,0.4);
}

.hero-subtitle {
    font-family: var(--font-heading);
    font-size: clamp(0.9rem, 1.5vw, 1.1rem);
    font-weight: 500;
    letter-spacing: 6px;
    margin-bottom: 2rem;
}

.hero-divider {
    width: 100%;
    max-width: 1100px;
    height: 2px;
    background-color: var(--color-green);
    margin: 1.5rem auto 2rem;
}

.hero-tagline {
    font-size: clamp(0.85rem, 1.3vw, 1rem);
    letter-spacing: 3px;
    margin-bottom: 2rem;
    font-weight: 400;
}

.btn-hero {
    background-color: var(--color-darker);
    color: var(--color-white);
    border: none;
    padding: 12px 32px;
    font-family: var(--font-heading);
    font-weight: 500;
    font-size: 0.95rem;
    letter-spacing: 1px;
    border-radius: 4px;
    transition: all var(--transition-base);
}

.btn-hero:hover {
    background-color: var(--color-green);
    color: var(--color-white);
    transform: translateY(-2px);
}

/* ===== Section Empresa ===== */
.section-empresa {
    padding: 80px 0 60px;
    background-color: var(--color-white);
}

.atendimento-title {
    color: var(--color-red);
    font-size: 1.4rem;
    font-weight: 700;
    letter-spacing: 1px;
    margin-bottom: 0.3rem;
}

.garantia-text {
    font-size: 0.95rem;
    color: var(--color-text);
    margin-bottom: 1.5rem;
    font-weight: 500;
}

.bairros-text {
    font-size: 0.95rem;
    color: var(--color-text);
    max-width: 900px;
    margin: 0 auto 2rem;
    line-height: 1.8;
}

.btn-whatsapp {
    background-color: var(--color-whatsapp);
    color: var(--color-white);
    border: none;
    padding: 12px 32px;
    font-family: var(--font-heading);
    font-weight: 500;
    font-size: 1rem;
    border-radius: 4px;
    transition: all var(--transition-base);
    display: inline-flex;
    align-items: center;
    gap: 10px;
    box-shadow: 0 4px 12px rgba(37,211,102,0.25);
}

.btn-whatsapp:hover {
    background-color: var(--color-whatsapp-dark);
    color: var(--color-white);
    transform: translateY(-2px);
    box-shadow: 0 6px 18px rgba(37,211,102,0.35);
}

.btn-whatsapp .icon-wapp {
    width: 22px;
    height: 22px;
}

.icon-wapp {
    display: inline-block;
    vertical-align: middle;
}

.empresa-desc {
    max-width: 850px;
    margin: 2rem auto 0;
    font-size: 1rem;
    line-height: 1.8;
    color: var(--color-text);
}

/* ===== Gallery ===== */
.gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 20px;
    margin-top: 3rem;
}

.gallery-item {
    display: block;
    overflow: hidden;
    border-radius: 6px;
    box-shadow: var(--shadow-card);
    background: var(--color-white);
    padding: 6px;
    transition: transform var(--transition-base), box-shadow var(--transition-base);
    aspect-ratio: 1 / 1;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 4px;
    transition: transform 0.5s ease;
}

.gallery-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-card-hover);
}

.gallery-item:hover img {
    transform: scale(1.05);
}

/* ===== Section Serviços ===== */
.section-servicos {
    padding: 80px 0;
    position: relative;
    background-color: var(--color-dark);
    background-image:
        linear-gradient(135deg, rgba(20,20,20,0.78) 0%, rgba(40,40,40,0.74) 100%),
        url("../img/img-11.jpeg");
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    color: var(--color-white);
}

.section-title {
    font-size: 2.5rem;
    font-weight: 400;
    color: var(--color-white);
    letter-spacing: 4px;
    margin-bottom: 0.5rem;
    text-shadow: 0 2px 8px rgba(0,0,0,0.5);
}

.section-subtitle {
    color: var(--color-text-light);
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
    text-shadow: 0 1px 4px rgba(0,0,0,0.5);
}

.title-divider {
    width: 80%;
    max-width: 900px;
    height: 1px;
    background-color: rgba(255,255,255,0.3);
    margin: 1.5rem auto 0;
}

.service-card {
    background-color: var(--color-white);
    padding: 30px 25px;
    border-radius: 4px;
    height: 100%;
    box-shadow: var(--shadow-card);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
    color: var(--color-text);
}

.service-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-card-hover);
}

.service-title {
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--color-darker);
    margin-bottom: 1rem;
    line-height: 1.4;
}

.service-divider {
    border: none;
    border-top: 1px solid #e0e0e0;
    margin: 1rem 0;
}

.service-desc {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    line-height: 1.7;
    margin: 0;
}

/* ===== Section Avaliações ===== */
.section-avaliacoes {
    padding: 80px 0;
    background-color: var(--color-light);
}

.avaliacoes-title {
    font-size: 2rem;
    font-weight: 400;
    letter-spacing: 4px;
    color: var(--color-text);
    margin-bottom: 2rem;
}

.review-card {
    background-color: var(--color-white);
    padding: 30px 25px;
    border-radius: 4px;
    height: 100%;
    box-shadow: var(--shadow-card);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
    display: flex;
    flex-direction: column;
}

.review-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-card-hover);
}

.review-text {
    font-size: 0.95rem;
    color: var(--color-text);
    line-height: 1.7;
    flex-grow: 1;
    margin-bottom: 1rem;
}

.review-divider {
    border: none;
    border-top: 1px solid #e0e0e0;
    margin: 0.5rem 0 1rem;
}

.review-author {
    display: inline-block;
    background-color: var(--color-darker);
    color: var(--color-white);
    padding: 6px 14px;
    border-radius: 4px;
    font-size: 0.75rem;
    font-style: italic;
    font-weight: 500;
    align-self: flex-start;
}

/* ===== Footer ===== */
.site-footer {
    background-color: var(--color-darkest);
    color: var(--color-text-light);
    padding: 60px 0 0;
}

.footer-title {
    color: var(--color-white);
    font-size: 1.1rem;
    font-weight: 600;
    letter-spacing: 1px;
    margin-bottom: 0.75rem;
}

.footer-divider {
    width: 100%;
    height: 2px;
    background-color: var(--color-green);
    margin-bottom: 1.25rem;
}

.footer-text {
    font-size: 0.9rem;
    line-height: 1.7;
    color: var(--color-text-light);
    margin-bottom: 1rem;
}

.footer-text strong {
    color: var(--color-white);
    font-weight: 600;
}

.footer-link {
    color: var(--color-text-light);
}

.footer-link:hover {
    color: var(--color-green);
}

.footer-bottom {
    background-color: var(--color-darkest);
    padding: 25px 0;
    margin-top: 40px;
    border-top: 1px solid rgba(255,255,255,0.05);
    text-align: center;
    font-size: 0.85rem;
    color: var(--color-text-light);
}

.rrc-logo {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.85rem;
    color: var(--color-white);
    letter-spacing: 0.5px;
}

.rrc-logo span {
    color: #4fc3f7;
    margin-left: 2px;
}

/* ===== Floating WhatsApp Button ===== */
.whatsapp-float {
    position: fixed;
    bottom: 25px;
    right: 25px;
    width: 60px;
    height: 60px;
    background-color: var(--color-whatsapp);
    color: var(--color-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 14px rgba(37,211,102,0.45);
    z-index: 1030;
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.whatsapp-float .icon-wapp {
    width: 32px;
    height: 32px;
}

/* Composited pulse: transform + opacity (GPU-friendly) */
.whatsapp-float::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 50%;
    background-color: var(--color-whatsapp);
    opacity: 0.5;
    z-index: -1;
    animation: pulse-whatsapp 2.4s ease-out infinite;
    will-change: transform, opacity;
}

.whatsapp-float:hover {
    background-color: var(--color-whatsapp-dark);
    color: var(--color-white);
    transform: scale(1.08);
    box-shadow: 0 6px 20px rgba(37,211,102,0.6);
}

@keyframes pulse-whatsapp {
    0%   { transform: scale(1);    opacity: 0.5; }
    70%  { transform: scale(1.6);  opacity: 0;   }
    100% { transform: scale(1.6);  opacity: 0;   }
}

@media (prefers-reduced-motion: reduce) {
    .whatsapp-float::before { animation: none; }
    html { scroll-behavior: auto; }
}

/* ===== Responsive ===== */
@media (max-width: 991px) {
    #mainNav {
        padding: 12px 0;
        background-color: var(--color-darker);
    }
    #mainNav .nav-link {
        padding: 10px 0 !important;
    }
    .hero { padding: 90px 0 50px; min-height: 90vh; }
    .section-empresa, .section-servicos, .section-avaliacoes { padding: 60px 0; }
    .gallery { grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 14px; }
}

@media (max-width: 575px) {
    .hero-title { letter-spacing: 2px; }
    .hero-subtitle { letter-spacing: 4px; }
    .hero-tagline { letter-spacing: 1.5px; }
    .section-title, .avaliacoes-title { font-size: 1.6rem; letter-spacing: 2px; }
    .bairros-text { font-size: 0.88rem; }
    .gallery { grid-template-columns: repeat(2, 1fr); gap: 10px; }
    .btn-whatsapp { font-size: 0.9rem; padding: 10px 22px; }
    .whatsapp-float { width: 52px; height: 52px; font-size: 28px; bottom: 18px; right: 18px; }
    .footer-bottom { font-size: 0.78rem; }
}