/**
 * IC Acabamentos — Home single-page styles
 * Carrega APENAS na front-page
 */

/* ═══════════════════════════════════════════════════════════
   PRELOADER
═══════════════════════════════════════════════════════════ */
.preloader {
    position: fixed; inset: 0; z-index: 9999;
    background: var(--charcoal);
    display: flex; align-items: center; justify-content: center;
    transition: opacity .8s ease, visibility .8s ease;
}
.preloader.hidden { opacity: 0; visibility: hidden; pointer-events: none; }
.preloader-inner { text-align: center; color: var(--teca); }
.preloader-logo {
    font-family: 'Instrument Serif', serif;
    font-size: clamp(1.8rem, 5vw, 3.5rem);
    letter-spacing: -0.02em;
    opacity: 0;
    animation: preloaderFade 1s ease forwards;
}
.preloader-logo span { font-style: italic; }
.preloader-bar {
    width: 120px; height: 2px;
    background: var(--oak-light);
    margin: 1.5rem auto 0;
    border-radius: 2px;
    overflow: hidden;
}
.preloader-bar::after {
    content: ''; display: block; width: 100%; height: 100%;
    background: var(--teca);
    animation: preloaderSlide 1.5s ease-in-out infinite;
}
@keyframes preloaderFade { to { opacity: 1; } }
@keyframes preloaderSlide {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

/* ═══════════════════════════════════════════════════════════
   HERO
═══════════════════════════════════════════════════════════ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 8rem 1.5rem 4rem;
    overflow: hidden;
    background: var(--charcoal);
}
.hero-bg {
    position: absolute; inset: 0;
    background:
        radial-gradient(circle at 20% 30%, rgba(184, 149, 106, 0.25) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(200, 120, 78, 0.18) 0%, transparent 50%),
        linear-gradient(135deg, #0F0B07 0%, #1A1610 50%, #2E2820 100%);
    z-index: 0;
}
.hero-grain {
    position: absolute; inset: 0;
    opacity: 0.15;
    mix-blend-mode: overlay;
    background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='200' height='200'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3'/></filter><rect width='100%25' height='100%25' filter='url(%23n)' opacity='0.6'/></svg>");
    z-index: 1;
}
.hero-inner {
    position: relative;
    z-index: 2;
    max-width: 1000px;
    margin: 0 auto;
    text-align: center;
    color: var(--cream);
}
.hero-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: .6rem;
    padding: .5rem 1rem;
    border: 1px solid rgba(184, 149, 106, 0.4);
    border-radius: 999px;
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--teca);
    margin-bottom: 2rem;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    opacity: 0;
    transform: translateY(20px);
    animation: heroFadeUp .9s .2s cubic-bezier(.25,.1,.25,1) forwards;
}
.eyebrow-dot {
    width: 6px; height: 6px;
    background: var(--accent);
    border-radius: 50%;
    box-shadow: 0 0 12px var(--accent);
    animation: pulseDot 2s ease-in-out infinite;
}
@keyframes pulseDot {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: .6; transform: scale(1.2); }
}
.hero-title {
    font-family: 'Instrument Serif', serif;
    font-size: clamp(2.5rem, 7vw, 6rem);
    line-height: 1;
    letter-spacing: -0.03em;
    color: var(--cream);
    margin-bottom: 2rem;
    opacity: 0;
    transform: translateY(30px);
    animation: heroFadeUp 1.1s .4s cubic-bezier(.25,.1,.25,1) forwards;
}
.hero-title em {
    font-style: italic;
    color: var(--teca);
    position: relative;
    display: inline-block;
}
.hero-sub {
    font-size: clamp(1rem, 1.5vw, 1.25rem);
    color: var(--teca-pale);
    max-width: 640px;
    margin: 0 auto 2.5rem;
    line-height: 1.65;
    opacity: 0;
    transform: translateY(20px);
    animation: heroFadeUp 1.1s .6s cubic-bezier(.25,.1,.25,1) forwards;
}
.hero-ctas {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    opacity: 0;
    transform: translateY(20px);
    animation: heroFadeUp 1.1s .8s cubic-bezier(.25,.1,.25,1) forwards;
}
@keyframes heroFadeUp {
    to { opacity: 1; transform: translateY(0); }
}
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 1rem 2rem;
    border-radius: 999px;
    font-size: 0.95rem;
    font-weight: 500;
    text-decoration: none;
    transition: all .3s cubic-bezier(.25,.1,.25,1);
    cursor: pointer;
    border: 0;
    font-family: inherit;
}
.btn-primary {
    background: var(--accent);
    color: var(--white);
}
.btn-primary:hover {
    background: var(--accent-hover);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(200, 120, 78, 0.4);
}
.btn-ghost {
    background: transparent;
    color: var(--cream);
    border: 1px solid rgba(250, 246, 240, 0.3);
}
.btn-ghost:hover {
    background: rgba(250, 246, 240, 0.1);
    color: var(--cream);
    border-color: var(--cream);
    transform: translateY(-2px);
}

/* Scroll indicator */
.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: .75rem;
    color: var(--teca);
    font-size: 0.75rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    z-index: 3;
    opacity: 0;
    animation: heroFadeUp 1s 1.2s ease forwards;
}
.scroll-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, var(--teca), transparent);
    animation: scrollBounce 2s ease-in-out infinite;
}
@keyframes scrollBounce {
    0%, 100% { transform: scaleY(1); opacity: .5; }
    50% { transform: scaleY(1.3); opacity: 1; }
}

/* ═══════════════════════════════════════════════════════════
   STATS STRIP
═══════════════════════════════════════════════════════════ */
.stats-strip {
    background: var(--charcoal-soft);
    border-top: 1px solid rgba(184, 149, 106, 0.15);
    border-bottom: 1px solid rgba(184, 149, 106, 0.15);
    padding: 3rem 1.5rem;
}
.stats-inner {
    max-width: 1280px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}
@media (max-width: 700px) {
    .stats-inner { grid-template-columns: repeat(2, 1fr); gap: 2.5rem 1.5rem; }
}
.stat {
    text-align: center;
    color: var(--cream);
}
.stat-num {
    font-family: 'Instrument Serif', serif;
    font-size: clamp(2.5rem, 5vw, 4rem);
    color: var(--teca);
    line-height: 1;
    margin-bottom: .5rem;
    letter-spacing: -0.02em;
}
.stat-label {
    font-size: 0.85rem;
    color: var(--teca-pale);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    font-weight: 500;
}

/* ═══════════════════════════════════════════════════════════
   MARQUEE
═══════════════════════════════════════════════════════════ */
.marquee-section {
    padding: 2.5rem 0;
    background: var(--cream);
    border-bottom: 1px solid var(--border-soft);
    overflow: hidden;
}
.marquee {
    display: flex;
    overflow: hidden;
    mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
    -webkit-mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
}
.marquee-track {
    display: flex;
    gap: 2rem;
    animation: marqueeSlide 40s linear infinite;
    white-space: nowrap;
    font-family: 'Instrument Serif', serif;
    font-size: clamp(1.3rem, 2.5vw, 2rem);
    color: var(--oak);
    font-style: italic;
    padding-right: 2rem;
}
.marquee-track span { flex-shrink: 0; }
.marquee-track .dot { color: var(--accent); font-style: normal; }
@keyframes marqueeSlide {
    from { transform: translateX(0); }
    to { transform: translateX(-50%); }
}

/* ═══════════════════════════════════════════════════════════
   SECTIONS (genérico)
═══════════════════════════════════════════════════════════ */
.section {
    padding: 6rem 1.5rem;
    position: relative;
}
@media (max-width: 700px) { .section { padding: 4rem 1.25rem; } }

.section-inner {
    max-width: 1280px;
    margin: 0 auto;
}
.section-header {
    text-align: center;
    max-width: 820px;
    margin: 0 auto 4rem;
}
.eyebrow {
    display: inline-block;
    font-size: 0.8rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--accent);
    font-weight: 600;
    margin-bottom: 1rem;
}
.section-title {
    font-size: clamp(2rem, 5vw, 4rem);
    line-height: 1.05;
    color: var(--charcoal);
    margin-bottom: 1.25rem;
    letter-spacing: -0.02em;
}
.section-title em { font-style: italic; color: var(--oak); }
.section-sub {
    font-size: clamp(1rem, 1.5vw, 1.15rem);
    color: var(--text-soft);
    line-height: 1.7;
}

/* ═══════════════════════════════════════════════════════════
   SECTION: SOBRE WPC
═══════════════════════════════════════════════════════════ */
.sobre { background: var(--cream); }

.formula-visual {
    background: linear-gradient(135deg, var(--white) 0%, var(--sand) 100%);
    border-radius: 24px;
    padding: 3rem 2rem;
    margin-bottom: 4rem;
    text-align: center;
    box-shadow: var(--shadow-md);
}
.formula-title {
    font-family: 'Instrument Serif', serif;
    font-size: clamp(1.5rem, 3vw, 2.5rem);
    color: var(--charcoal);
    margin-bottom: 2rem;
    letter-spacing: -0.02em;
}
.formula-title em { font-style: italic; color: var(--accent); }
.formula-grid {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1.5rem;
    flex-wrap: wrap;
    margin-bottom: 2rem;
}
.formula-item {
    min-width: 140px;
    padding: 1.5rem 1rem;
    background: var(--cream);
    border-radius: 14px;
    border: 1px solid var(--border-soft);
}
.formula-pct {
    font-family: 'Instrument Serif', serif;
    font-size: clamp(2rem, 4vw, 3rem);
    color: var(--oak);
    line-height: 1;
    margin-bottom: .4rem;
}
.formula-label {
    font-size: 0.85rem;
    color: var(--text-soft);
    letter-spacing: 0.05em;
    text-transform: uppercase;
    font-weight: 500;
}
.formula-op {
    font-family: 'Instrument Serif', serif;
    font-size: 2rem;
    color: var(--accent);
    line-height: 1;
}
.formula-result {
    display: inline-block;
    padding: .75rem 1.5rem;
    background: var(--charcoal);
    color: var(--teca);
    border-radius: 999px;
    font-size: 0.95rem;
    font-weight: 500;
    letter-spacing: 0.05em;
}

.section-text {
    max-width: 820px;
    margin: 0 auto 4rem;
    text-align: center;
}
.section-text p {
    font-size: clamp(1.05rem, 1.6vw, 1.25rem);
    line-height: 1.75;
    color: var(--text);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.5rem;
    margin-bottom: 5rem;
}
.benefit-card {
    padding: 2rem 1.75rem;
    background: var(--white);
    border-radius: 16px;
    border: 1px solid var(--border-soft);
    transition: transform .4s cubic-bezier(.25,.1,.25,1), box-shadow .4s ease, border-color .3s ease;
}
.benefit-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: var(--teca);
}
.benefit-icon {
    font-size: 2rem;
    margin-bottom: 1rem;
    display: block;
}
.benefit-card h4 {
    font-family: 'Instrument Serif', serif;
    font-size: 1.35rem;
    color: var(--charcoal);
    margin-bottom: .6rem;
}
.benefit-card p {
    font-size: 0.95rem;
    color: var(--text-soft);
    line-height: 1.6;
    margin: 0;
}

/* Big text reveal */
.big-text-wrap {
    padding: 4rem 0 2rem;
}
.big-text {
    font-family: 'Instrument Serif', serif;
    font-size: clamp(1.5rem, 3.5vw, 2.75rem);
    line-height: 1.3;
    color: var(--text-soft);
    text-align: center;
    max-width: 1100px;
    margin: 0 auto;
    letter-spacing: -0.01em;
}
.big-text em { font-style: italic; }
.big-text .word {
    display: inline-block;
    opacity: 0.2;
    transition: opacity .3s ease, color .3s ease;
    margin-right: .2em;
}
.big-text .word.lit {
    opacity: 1;
    color: var(--charcoal);
}

/* ═══════════════════════════════════════════════════════════
   SECTION: PRODUTOS
═══════════════════════════════════════════════════════════ */
.produtos { background: var(--sand); }

.produtos-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 1.5rem;
}
.produto-card {
    position: relative;
    padding: 2.5rem 2rem;
    background: var(--white);
    border-radius: 20px;
    border: 1px solid var(--border-soft);
    transition: transform .4s cubic-bezier(.25,.1,.25,1), box-shadow .4s ease;
    overflow: hidden;
    display: block;
    text-decoration: none;
    color: inherit;
}
.produto-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--accent), var(--teca));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform .5s cubic-bezier(.25,.1,.25,1);
}
.produto-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}
.produto-card:hover::before { transform: scaleX(1); }

.produto-tag {
    display: inline-block;
    padding: .3rem .8rem;
    background: var(--sand);
    color: var(--oak);
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    border-radius: 999px;
    margin-bottom: 1rem;
}
.produto-card h3 {
    font-family: 'Instrument Serif', serif;
    font-size: clamp(1.3rem, 2vw, 1.65rem);
    color: var(--charcoal);
    margin-bottom: .75rem;
    letter-spacing: -0.01em;
}
.produto-card p {
    font-size: 0.95rem;
    color: var(--text-soft);
    line-height: 1.65;
    margin-bottom: 1.25rem;
}
.produto-link {
    display: inline-flex;
    align-items: center;
    gap: .3rem;
    color: var(--accent);
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    text-decoration: none;
    transition: gap .25s ease, color .2s ease;
}
.produto-link:hover {
    color: var(--accent-hover);
    gap: .6rem;
}

/* ═══════════════════════════════════════════════════════════
   SECTION: COMPARATIVO
═══════════════════════════════════════════════════════════ */
.comparativo { background: var(--cream); }

.compare-table-wrap {
    overflow-x: auto;
    background: var(--white);
    border-radius: 20px;
    border: 1px solid var(--border-soft);
    box-shadow: var(--shadow-sm);
}
.compare-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.95rem;
}
.compare-table th,
.compare-table td {
    padding: 1rem 1.25rem;
    text-align: left;
    border-bottom: 1px solid var(--border-soft);
}
.compare-table thead th {
    background: var(--sand);
    font-family: 'DM Sans', sans-serif;
    font-weight: 600;
    color: var(--charcoal);
    font-size: 0.8rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}
.compare-table thead th.highlight {
    background: var(--oak);
    color: var(--cream);
}
.compare-table td.highlight {
    background: rgba(200, 120, 78, 0.05);
    font-weight: 500;
    color: var(--charcoal);
}
.compare-table .yes {
    display: inline-block;
    width: 20px; height: 20px;
    line-height: 20px;
    text-align: center;
    background: var(--green-eco);
    color: var(--white);
    border-radius: 50%;
    font-size: 0.75rem;
    margin-right: .35rem;
}
.compare-table .no {
    display: inline-block;
    width: 20px; height: 20px;
    line-height: 20px;
    text-align: center;
    background: #C44;
    color: var(--white);
    border-radius: 50%;
    font-size: 0.75rem;
    margin-right: .35rem;
}
.compare-table tbody tr:last-child td { border-bottom: 0; }
.compare-table tbody tr:hover { background: var(--sand); }

/* Mobile cards (escondidos no desktop) */
.compare-cards { display: none; }

@media (max-width: 768px) {
    .compare-table-wrap { display: none; }
    .compare-cards { display: grid; gap: 1rem; }
    .compare-card {
        background: var(--white);
        padding: 1.25rem;
        border-radius: 14px;
        border: 1px solid var(--border-soft);
    }
    .cc-title {
        font-family: 'Instrument Serif', serif;
        font-size: 1.1rem;
        color: var(--charcoal);
        margin-bottom: .9rem;
        padding-bottom: .6rem;
        border-bottom: 1px solid var(--border-soft);
    }
    .cc-row {
        display: grid;
        grid-template-columns: 1fr 1fr 1fr;
        gap: .6rem;
    }
    .cc-col {
        text-align: center;
        padding: .6rem .3rem;
        background: var(--cream);
        border-radius: 8px;
    }
    .cc-col.best {
        background: var(--oak);
        color: var(--cream);
    }
    .cc-lbl {
        font-size: 0.65rem;
        letter-spacing: 0.1em;
        text-transform: uppercase;
        font-weight: 600;
        margin-bottom: .35rem;
        opacity: .7;
    }
    .cc-col.best .cc-lbl { color: var(--teca); opacity: 1; }
    .cc-val {
        font-size: 0.85rem;
        font-weight: 500;
        line-height: 1.3;
    }
}

/* ═══════════════════════════════════════════════════════════
   SECTION: SEGMENTOS
═══════════════════════════════════════════════════════════ */
.segmentos { background: var(--charcoal); color: var(--cream); }
.segmentos .section-title { color: var(--cream); }
.segmentos .section-title em { color: var(--teca); }
.segmentos .eyebrow { color: var(--accent); }
.segmentos .section-sub { color: var(--teca-pale); }

.segmentos-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}
.segmento-card {
    padding: 2.5rem 2rem;
    background: var(--charcoal-soft);
    border-radius: 20px;
    border: 1px solid rgba(184, 149, 106, 0.15);
    transition: transform .4s cubic-bezier(.25,.1,.25,1), border-color .3s ease, background .3s ease;
}
.segmento-card:hover {
    transform: translateY(-4px);
    border-color: var(--teca);
    background: rgba(184, 149, 106, 0.05);
}
.seg-icon {
    font-size: 2.5rem;
    display: block;
    margin-bottom: 1.25rem;
}
.segmento-card h3 {
    font-family: 'Instrument Serif', serif;
    font-size: 1.5rem;
    color: var(--cream);
    margin-bottom: .75rem;
}
.segmento-card p {
    color: var(--teca-pale);
    line-height: 1.7;
    font-size: 0.98rem;
    margin: 0;
}

/* ═══════════════════════════════════════════════════════════
   SECTION: SUSTENTABILIDADE
═══════════════════════════════════════════════════════════ */
.sustentabilidade {
    background: linear-gradient(180deg, var(--cream) 0%, var(--sand) 100%);
}

.sus-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.25rem;
}
.sus-card {
    padding: 2rem 1.5rem;
    background: var(--white);
    border-radius: 16px;
    border: 1px solid var(--border-soft);
    text-align: center;
    transition: transform .4s ease, box-shadow .4s ease;
}
.sus-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}
.sus-icon {
    font-size: 2.25rem;
    display: block;
    margin-bottom: 1rem;
}
.sus-card h4 {
    font-family: 'Instrument Serif', serif;
    font-size: 1.2rem;
    color: var(--charcoal);
    margin-bottom: .6rem;
}
.sus-card p {
    font-size: 0.9rem;
    color: var(--text-soft);
    line-height: 1.55;
    margin: 0;
}

/* ═══════════════════════════════════════════════════════════
   SECTION: BLOG PREVIEW
═══════════════════════════════════════════════════════════ */
.blog-preview {
    background: var(--cream);
}
.blog-preview-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-bottom: 3rem;
}
@media (max-width: 900px) { .blog-preview-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .blog-preview-grid { grid-template-columns: 1fr; } }

.blog-preview-cta {
    text-align: center;
}
.blog-preview-cta .btn-ghost {
    color: var(--oak);
    border-color: var(--oak);
}
.blog-preview-cta .btn-ghost:hover {
    background: var(--oak);
    color: var(--cream);
}

/* ═══════════════════════════════════════════════════════════
   SECTION: CONTATO
═══════════════════════════════════════════════════════════ */
.contato {
    background: linear-gradient(135deg, var(--oak) 0%, var(--charcoal) 100%);
    color: var(--cream);
    text-align: center;
    padding: 7rem 1.5rem;
    position: relative;
    overflow: hidden;
}
.contato::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 30% 20%, rgba(184, 149, 106, 0.2) 0%, transparent 50%),
        radial-gradient(circle at 70% 80%, rgba(200, 120, 78, 0.15) 0%, transparent 50%);
    pointer-events: none;
}
.contato-inner { position: relative; z-index: 1; max-width: 900px; }
.contato .section-title { color: var(--cream); }
.contato .section-title em { color: var(--teca); }
.contato .eyebrow { color: var(--accent); }
.contato .section-sub { color: var(--teca-pale); margin-bottom: 2.5rem; }

.contato-ctas {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* ═══════════════════════════════════════════════════════════
   REVEAL ANIMATION (scroll triggered)
═══════════════════════════════════════════════════════════ */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity .9s cubic-bezier(.25,.1,.25,1), transform .9s cubic-bezier(.25,.1,.25,1);
}
.reveal.is-visible {
    opacity: 1;
    transform: translateY(0);
}
.reveal:nth-child(2) { transition-delay: 0.08s; }
.reveal:nth-child(3) { transition-delay: 0.16s; }
.reveal:nth-child(4) { transition-delay: 0.24s; }
.reveal:nth-child(5) { transition-delay: 0.32s; }
.reveal:nth-child(6) { transition-delay: 0.40s; }

@media (prefers-reduced-motion: reduce) {
    .reveal { opacity: 1; transform: none; }
    .marquee-track { animation: none; }
    .hero-title, .hero-sub, .hero-eyebrow, .hero-ctas, .scroll-indicator { opacity: 1; transform: none; animation: none; }
    .preloader-bar::after, .eyebrow-dot, .scroll-line { animation: none; }
}