/* ===================================
   CASARÃO DO MÁRMORE — style.css
   =================================== */

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

:root {
    --black:   #0D0D0D;
    --dark:    #1A1A1A;
    --gold:    #C9A96E;
    --gold-lt: #e0c48e;
    --white:   #FFFFFF;
    --gray:    #888888;
    --gray-lt: #f5f5f5;
    --font-serif: 'Playfair Display', serif;
    --font-sans:  'Poppins', sans-serif;
    --transition: .35s ease;
    --radius: 4px;
    --shadow: 0 8px 40px rgba(0,0,0,.12);
}

html { scroll-behavior: smooth; }

body {
    font-family: var(--font-sans);
    background: var(--white);
    color: var(--black);
    line-height: 1.7;
    overflow-x: hidden;
}

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

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
}

/* ---- TYPOGRAPHY HELPERS ---- */
.section-eyebrow {
    font-family: var(--font-sans);
    font-size: .75rem;
    font-weight: 600;
    letter-spacing: .2em;
    text-transform: uppercase;
    color: var(--gold);
    margin-bottom: .75rem;
}
.section-eyebrow.light { color: var(--gold-lt); }

.section-title {
    font-family: var(--font-serif);
    font-size: clamp(2rem, 4vw, 2.8rem);
    font-weight: 700;
    line-height: 1.2;
    color: var(--black);
    margin-bottom: 1rem;
}
.section-title.white { color: var(--white); }

.section-desc {
    font-size: 1rem;
    color: var(--gray);
    max-width: 560px;
    margin: 0 auto;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.gold { color: var(--gold); }

/* ---- BUTTONS ---- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: .5rem;
    padding: .85rem 2rem;
    border-radius: var(--radius);
    font-family: var(--font-sans);
    font-size: .9rem;
    font-weight: 600;
    letter-spacing: .04em;
    cursor: pointer;
    transition: var(--transition);
    border: 2px solid transparent;
}

.btn-gold {
    background: var(--gold);
    color: var(--black);
    border-color: var(--gold);
}
.btn-gold:hover {
    background: var(--gold-lt);
    border-color: var(--gold-lt);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(201,169,110,.35);
}

.btn-outline {
    background: transparent;
    color: var(--white);
    border-color: rgba(255,255,255,.5);
}
.btn-outline:hover {
    border-color: var(--gold);
    color: var(--gold);
    transform: translateY(-2px);
}

.btn-lg { padding: 1.1rem 2.6rem; font-size: 1rem; }

/* ---- SCROLL REVEAL ---- */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity .7s ease, transform .7s ease;
}
.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ===================================
   NAVBAR
   =================================== */
.navbar {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 1000;
    padding: 1.4rem 0;
    transition: background var(--transition), padding var(--transition), box-shadow var(--transition);
}
.navbar.scrolled {
    background: rgba(13,13,13,.97);
    padding: .9rem 0;
    box-shadow: 0 2px 20px rgba(0,0,0,.4);
    backdrop-filter: blur(10px);
}

.nav-container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: .6rem;
    color: var(--white);
}
.logo-icon { color: var(--gold); font-size: 1rem; }
.logo-text  { font-family: var(--font-sans); font-size: 1rem; font-weight: 300; letter-spacing: .05em; }
.logo-text strong { font-weight: 700; }

.nav-links {
    display: flex;
    align-items: center;
    gap: 2.2rem;
}
.nav-links a {
    color: rgba(255,255,255,.8);
    font-size: .85rem;
    font-weight: 500;
    letter-spacing: .04em;
    transition: color var(--transition);
}
.nav-links a:hover { color: var(--gold); }

.nav-cta {
    background: var(--gold) !important;
    color: var(--black) !important;
    padding: .55rem 1.4rem;
    border-radius: var(--radius);
    font-weight: 600 !important;
}
.nav-cta:hover { background: var(--gold-lt) !important; }

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}
.hamburger span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--white);
    transition: var(--transition);
    border-radius: 2px;
}
.hamburger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ===================================
   HERO
   =================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    /* Marble texture via CSS gradient — replace with real image if available */
    background:
        linear-gradient(160deg, rgba(13,13,13,.85) 0%, rgba(26,26,26,.75) 100%),
        url('https://images.unsplash.com/photo-1600585154340-be6161a56a0c?w=1600&q=80') center/cover no-repeat;
    overflow: hidden;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at center, transparent 40%, rgba(0,0,0,.5) 100%);
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 2;
    padding: 0 1rem;
    max-width: 800px;
}

.hero-eyebrow {
    font-size: .75rem;
    font-weight: 600;
    letter-spacing: .25em;
    text-transform: uppercase;
    color: var(--gold);
    margin-bottom: 1.2rem;
}

.hero-title {
    font-family: var(--font-serif);
    font-size: clamp(2.6rem, 6vw, 5rem);
    font-weight: 700;
    color: var(--white);
    line-height: 1.1;
    margin-bottom: 1.4rem;
}

.hero-sub {
    font-size: clamp(.95rem, 2vw, 1.15rem);
    color: rgba(255,255,255,.75);
    margin-bottom: 2.4rem;
    line-height: 1.8;
}

.hero-btns {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 3.5rem;
}

.hero-stats {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
}
.stat { text-align: center; }
.stat strong {
    display: block;
    font-family: var(--font-serif);
    font-size: 2rem;
    color: var(--gold);
    line-height: 1;
}
.stat span {
    font-size: .75rem;
    color: rgba(255,255,255,.6);
    letter-spacing: .05em;
}
.stat-divider {
    width: 1px;
    height: 40px;
    background: rgba(255,255,255,.2);
}

.hero-scroll {
    position: absolute;
    bottom: 2.5rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    z-index: 2;
}
.scroll-line {
    display: block;
    width: 1px;
    height: 50px;
    background: linear-gradient(to bottom, var(--gold), transparent);
    animation: scrollPulse 2s ease-in-out infinite;
}
@keyframes scrollPulse {
    0%, 100% { opacity: 1; transform: scaleY(1); }
    50%       { opacity: .4; transform: scaleY(.6); }
}

/* ===================================
   SOBRE
   =================================== */
.sobre {
    padding: 7rem 0;
    background: var(--white);
}

.sobre-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5rem;
    align-items: center;
}

.sobre-img-inner {
    position: relative;
    height: 520px;
}

.sobre-img-bg {
    width: 100%;
    height: 100%;
    border-radius: 2px;
    background:
        linear-gradient(135deg, rgba(201,169,110,.15) 0%, rgba(26,26,26,.05) 100%),
        url('https://images.unsplash.com/photo-1556909114-f6e7ad7d3136?w=800&q=80') center/cover no-repeat;
    box-shadow: var(--shadow);
}

.sobre-badge {
    position: absolute;
    bottom: -1.5rem;
    right: -1.5rem;
    background: var(--gold);
    color: var(--black);
    padding: 1.4rem 1.8rem;
    text-align: center;
    border-radius: var(--radius);
    box-shadow: 0 8px 30px rgba(201,169,110,.4);
}
.sobre-badge strong {
    display: block;
    font-family: var(--font-serif);
    font-size: 2.2rem;
    font-weight: 700;
    line-height: 1;
}
.sobre-badge span {
    font-size: .7rem;
    font-weight: 600;
    letter-spacing: .1em;
    text-transform: uppercase;
}

.sobre-desc {
    color: #555;
    margin-bottom: 1.2rem;
    font-size: .95rem;
}

.sobre-features {
    margin: 1.8rem 0 2.2rem;
    display: flex;
    flex-direction: column;
    gap: .8rem;
}
.sobre-feature {
    display: flex;
    align-items: center;
    gap: .8rem;
    font-size: .9rem;
    font-weight: 500;
}
.feature-icon { color: var(--gold); font-size: .6rem; }

/* ===================================
   SERVIÇOS
   =================================== */
.servicos {
    padding: 7rem 0;
    background: var(--gray-lt);
}

.servicos-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.servico-card {
    background: var(--white);
    padding: 2.4rem 2rem;
    border-radius: var(--radius);
    border-bottom: 3px solid transparent;
    box-shadow: 0 2px 16px rgba(0,0,0,.06);
    transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}
.servico-card:hover {
    border-bottom-color: var(--gold);
    transform: translateY(-6px);
    box-shadow: var(--shadow);
}

.servico-icon {
    font-size: 2.2rem;
    margin-bottom: 1.2rem;
}
.servico-card h3 {
    font-family: var(--font-serif);
    font-size: 1.2rem;
    margin-bottom: .7rem;
    color: var(--black);
}
.servico-card p {
    font-size: .88rem;
    color: var(--gray);
    line-height: 1.7;
}

/* ===================================
   PORTFÓLIO
   =================================== */
.portfolio {
    padding: 7rem 0;
    background: var(--white);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: repeat(2, 280px);
    gap: 1rem;
    margin-bottom: 3rem;
}

.portfolio-item {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius);
    cursor: pointer;
}
.portfolio-item:nth-child(1) { grid-column: span 2; }
.portfolio-item:nth-child(4) { grid-column: span 2; }

.portfolio-img {
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    transition: transform .6s ease;
}
.portfolio-item:hover .portfolio-img { transform: scale(1.07); }

/* Portfolio placeholder images via Unsplash */
.p1 { background-image: url('https://images.unsplash.com/photo-1556909114-f6e7ad7d3136?w=900&q=80'); }
.p2 { background-image: url('https://images.unsplash.com/photo-1552321554-5fefe8c9ef14?w=600&q=80'); }
.p3 { background-image: url('https://images.unsplash.com/photo-1600607687939-ce8a6c25118c?w=900&q=80'); }
.p4 { background-image: url('https://images.unsplash.com/photo-1600566753086-00f18fb6b3ea?w=600&q=80'); }
.p5 { background-image: url('https://images.unsplash.com/photo-1600585154526-990dced4db0d?w=900&q=80'); }
.p6 { background-image: url('https://images.unsplash.com/photo-1600573472591-ee6b68d14c68?w=600&q=80'); }

.portfolio-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0,0,0,.75) 0%, transparent 60%);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 1.4rem;
    opacity: 0;
    transition: opacity var(--transition);
}
.portfolio-item:hover .portfolio-overlay { opacity: 1; }
.portfolio-overlay span {
    color: var(--white);
    font-family: var(--font-serif);
    font-size: 1.1rem;
    font-weight: 600;
}
.portfolio-overlay small {
    color: var(--gold);
    font-size: .75rem;
    letter-spacing: .08em;
}

.portfolio-cta { text-align: center; }

/* ===================================
   DIFERENCIAIS
   =================================== */
.diferenciais {
    padding: 7rem 0;
    background: var(--dark);
    position: relative;
    overflow: hidden;
}
.diferenciais::before {
    content: '';
    position: absolute;
    top: -100px; right: -100px;
    width: 400px; height: 400px;
    background: radial-gradient(circle, rgba(201,169,110,.08) 0%, transparent 70%);
    pointer-events: none;
}

.diferenciais-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}

.diferencial-item {
    text-align: center;
    padding: 2.5rem 1.5rem;
    border: 1px solid rgba(201,169,110,.15);
    border-radius: var(--radius);
    transition: border-color var(--transition), transform var(--transition);
}
.diferencial-item:hover {
    border-color: var(--gold);
    transform: translateY(-4px);
}

.dif-icon {
    font-size: 2.4rem;
    margin-bottom: 1.2rem;
}
.diferencial-item h3 {
    font-family: var(--font-serif);
    font-size: 1.1rem;
    color: var(--white);
    margin-bottom: .7rem;
}
.diferencial-item p {
    font-size: .85rem;
    color: rgba(255,255,255,.5);
    line-height: 1.7;
}

/* ===================================
   DEPOIMENTOS
   =================================== */
.depoimentos {
    padding: 7rem 0;
    background: var(--gray-lt);
}

.depoimentos-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.depoimento-card {
    background: var(--white);
    padding: 2.2rem;
    border-radius: var(--radius);
    box-shadow: 0 2px 16px rgba(0,0,0,.06);
    position: relative;
    transition: transform var(--transition), box-shadow var(--transition);
}
.depoimento-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow);
}
.depoimento-card::before {
    content: '"';
    position: absolute;
    top: 1rem; right: 1.5rem;
    font-family: var(--font-serif);
    font-size: 5rem;
    color: var(--gold);
    opacity: .15;
    line-height: 1;
}

.stars { font-size: 1rem; margin-bottom: 1rem; }

.depoimento-card p {
    font-size: .9rem;
    color: #555;
    line-height: 1.8;
    margin-bottom: 1.5rem;
    font-style: italic;
}

.depoimento-autor {
    display: flex;
    align-items: center;
    gap: .9rem;
}
.autor-avatar {
    width: 44px; height: 44px;
    border-radius: 50%;
    background: var(--gold);
    color: var(--black);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: .8rem;
    flex-shrink: 0;
}
.depoimento-autor strong {
    display: block;
    font-size: .9rem;
    color: var(--black);
}
.depoimento-autor span {
    font-size: .75rem;
    color: var(--gray);
}

/* ===================================
   CTA FINAL
   =================================== */
.cta-final {
    position: relative;
    padding: 8rem 0;
    text-align: center;
    background:
        linear-gradient(135deg, rgba(13,13,13,.92) 0%, rgba(26,26,26,.88) 100%),
        url('https://images.unsplash.com/photo-1600585154340-be6161a56a0c?w=1600&q=80') center/cover no-repeat;
}
.cta-overlay {
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at center, rgba(201,169,110,.06) 0%, transparent 70%);
    pointer-events: none;
}

.cta-content { position: relative; z-index: 2; }

.cta-title {
    font-family: var(--font-serif);
    font-size: clamp(2rem, 4vw, 3rem);
    color: var(--white);
    line-height: 1.2;
    margin-bottom: 1.2rem;
}

.cta-desc {
    color: rgba(255,255,255,.65);
    font-size: .95rem;
    margin-bottom: 2.5rem;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

.cta-note {
    margin-top: 1rem;
    font-size: .78rem;
    color: rgba(255,255,255,.4);
    letter-spacing: .05em;
}

/* ===================================
   FOOTER
   =================================== */
.footer {
    background: var(--black);
    padding: 5rem 0 0;
    color: rgba(255,255,255,.6);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 3rem;
    padding-bottom: 3rem;
    border-bottom: 1px solid rgba(255,255,255,.08);
}

.footer-brand p {
    font-size: .85rem;
    line-height: 1.8;
    margin-top: 1rem;
    margin-bottom: 1.5rem;
    max-width: 280px;
}

.footer-social {
    display: flex;
    gap: .8rem;
}
.footer-social a {
    width: 38px; height: 38px;
    border: 1px solid rgba(255,255,255,.15);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    transition: border-color var(--transition), transform var(--transition);
}
.footer-social a:hover {
    border-color: var(--gold);
    transform: translateY(-2px);
}

.footer-links h4,
.footer-contact h4 {
    color: var(--white);
    font-size: .85rem;
    font-weight: 600;
    letter-spacing: .1em;
    text-transform: uppercase;
    margin-bottom: 1.4rem;
}

.footer-links ul,
.footer-contact ul {
    display: flex;
    flex-direction: column;
    gap: .7rem;
}
.footer-links a {
    font-size: .85rem;
    transition: color var(--transition);
}
.footer-links a:hover { color: var(--gold); }

.footer-contact li {
    font-size: .85rem;
    display: flex;
    gap: .5rem;
    align-items: flex-start;
}
.footer-contact a { transition: color var(--transition); }
.footer-contact a:hover { color: var(--gold); }

.footer-bottom {
    padding: 1.5rem 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
    font-size: .78rem;
}
.footer-bottom-links {
    display: flex;
    gap: 1.5rem;
}
.footer-bottom-links a { transition: color var(--transition); }
.footer-bottom-links a:hover { color: var(--gold); }

/* ===================================
   WHATSAPP FLOAT
   =================================== */
.whatsapp-float {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    z-index: 999;
    width: 58px; height: 58px;
    background: #25D366;
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 20px rgba(37,211,102,.45);
    transition: transform var(--transition), box-shadow var(--transition);
}
.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 28px rgba(37,211,102,.6);
}
.whatsapp-float::before {
    content: '';
    position: absolute;
    inset: -4px;
    border-radius: 50%;
    border: 2px solid rgba(37,211,102,.4);
    animation: wppPulse 2.5s ease-in-out infinite;
}
@keyframes wppPulse {
    0%, 100% { transform: scale(1); opacity: .6; }
    50%       { transform: scale(1.2); opacity: 0; }
}

.wpp-tooltip {
    position: absolute;
    right: calc(100% + 12px);
    background: var(--black);
    color: var(--white);
    font-size: .75rem;
    font-weight: 500;
    padding: .4rem .9rem;
    border-radius: 20px;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition);
}
.whatsapp-float:hover .wpp-tooltip { opacity: 1; }

/* ===================================
   RESPONSIVE
   =================================== */
@media (max-width: 1024px) {
    .diferenciais-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
    /* Navbar mobile */
    .hamburger { display: flex; }
    .nav-links {
        position: fixed;
        top: 0; right: -100%;
        width: 75%;
        max-width: 300px;
        height: 100vh;
        background: rgba(13,13,13,.98);
        flex-direction: column;
        justify-content: center;
        gap: 2rem;
        padding: 2rem;
        transition: right var(--transition);
        backdrop-filter: blur(10px);
    }
    .nav-links.open { right: 0; }
    .nav-links a { font-size: 1rem; }

    /* Sections */
    .sobre-grid { grid-template-columns: 1fr; gap: 3rem; }
    .sobre-img-inner { height: 320px; }
    .sobre-badge { bottom: -1rem; right: -1rem; }

    .servicos-grid { grid-template-columns: 1fr 1fr; }

    .portfolio-grid {
        grid-template-columns: 1fr 1fr;
        grid-template-rows: auto;
    }
    .portfolio-item:nth-child(1),
    .portfolio-item:nth-child(4) { grid-column: span 1; }
    .portfolio-grid { grid-template-rows: repeat(3, 220px); }

    .depoimentos-grid { grid-template-columns: 1fr; }

    .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
    .footer-bottom { flex-direction: column; text-align: center; }
}

@media (max-width: 540px) {
    .servicos-grid { grid-template-columns: 1fr; }
    .diferenciais-grid { grid-template-columns: 1fr; }
    .portfolio-grid {
        grid-template-columns: 1fr;
        grid-template-rows: repeat(6, 220px);
    }
    .portfolio-item:nth-child(1),
    .portfolio-item:nth-child(4) { grid-column: span 1; }
    .hero-stats { gap: 1.2rem; }
    .stat-divider { display: none; }
    .hero-btns { flex-direction: column; align-items: center; }
}