/* ═══════════════════════════════════════════════
   Vale Eletrodo - Stylesheet Principal
   Paleta: Brown #5C3A21 | Copper #B87333 | Dark #1A1A1A
   ═══════════════════════════════════════════════ */

:root {
    --primary: #4A2E1A;
    --primary-dark: #2E1A09;
    --secondary: #C87941;
    --secondary-light: #E8A060;
    --accent: #E8952A;
    --dark: #1A1208;
    --darker: #0F0A04;
    --light: #FDF8F3;
    --white: #FFFFFF;
    --gray-100: #FAF5EE;
    --gray-200: #EDE4D8;
    --gray-300: #D4C4B0;
    --gray-500: #907860;
    --gray-700: #4A3828;
    --text: #2A1F14;
    --text-light: #6B5A48;
    --danger: #C0392B;
    --success: #27AE60;
    --radius: 12px;
    --radius-sm: 8px;
    --radius-lg: 20px;
    --shadow: 0 4px 24px rgba(74,46,26,0.10);
    --shadow-lg: 0 12px 40px rgba(74,46,26,0.18);
    --shadow-copper: 0 4px 20px rgba(200,121,65,0.30);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-display: 'Playfair Display', Georgia, serif;
}

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

html { scroll-behavior: smooth; font-size: 16px; }

body {
    font-family: var(--font);
    color: var(--text);
    background: var(--white);
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--secondary); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--primary); }

.container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 20px; }

/* ─── Preloader ──────────────────────────── */
.preloader {
    position: fixed; inset: 0; z-index: 99999;
    background: var(--dark);
    display: flex; align-items: center; justify-content: center;
    transition: opacity 0.5s, visibility 0.5s;
}
.preloader.hidden { opacity: 0; visibility: hidden; pointer-events: none; }
.preloader-inner { text-align: center; }
.preloader-logo { width: 100px; margin: 0 auto 20px; animation: pulse 1.5s infinite; }
.preloader-spinner {
    width: 40px; height: 40px; margin: 0 auto;
    border: 3px solid rgba(184,115,51,0.2);
    border-top-color: var(--secondary);
    border-radius: 50%; animation: spin 0.8s linear infinite;
}

/* ─── Header ─────────────────────────────── */
.site-header {
    position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
    background: rgba(26,26,26,0.95);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(184,115,51,0.15);
    transition: var(--transition);
}
.site-header.scrolled { background: rgba(17,17,17,0.98); box-shadow: 0 2px 20px rgba(0,0,0,0.3); }

.header-container {
    display: flex; align-items: center; justify-content: space-between;
    max-width: 1200px; margin: 0 auto; padding: 0 20px; height: 88px;
}
.header-logo {
    display: flex; align-items: center;
    background: #fff;
    border-radius: 10px;
    padding: 4px 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.15);
    transition: var(--transition);
}
.logo-img { height: 72px; width: auto; transition: var(--transition); }
.site-header.scrolled .logo-img { height: 59px; }
.site-header.scrolled .header-logo { padding: 3px 8px; }

/* Nav */
.nav-list { display: flex; list-style: none; gap: 5px; }
.nav-link {
    display: flex; align-items: center; gap: 6px;
    padding: 8px 16px; border-radius: var(--radius-sm);
    color: var(--gray-300); font-size: 0.9rem; font-weight: 500;
    transition: var(--transition); position: relative;
}
.nav-link:hover, .nav-item.active .nav-link {
    color: var(--secondary); background: rgba(184,115,51,0.1);
}
.nav-item.active .nav-link::after {
    content: ''; position: absolute; bottom: -2px; left: 50%; transform: translateX(-50%);
    width: 20px; height: 2px; background: var(--secondary); border-radius: 2px;
}
.nav-icon { font-size: 0.8rem; }

/* Mobile Toggle */
.mobile-toggle {
    display: none; background: none; border: none; cursor: pointer;
    padding: 8px; flex-direction: column; gap: 5px;
}
.hamburger-line {
    display: block; width: 24px; height: 2px;
    background: var(--gray-300); border-radius: 2px; transition: var(--transition);
}

/* Mobile Menu */
.mobile-menu-overlay {
    position: fixed; inset: 0; z-index: 9999;
    background: rgba(0,0,0,0.8); backdrop-filter: blur(8px);
    opacity: 0; visibility: hidden; transition: var(--transition);
}
.mobile-menu-overlay.open { opacity: 1; visibility: visible; }
.mobile-menu-content {
    position: absolute; right: 0; top: 0; bottom: 0; width: 300px;
    background: var(--dark); padding: 30px;
    transform: translateX(100%); transition: transform 0.4s ease;
}
.mobile-menu-overlay.open .mobile-menu-content { transform: translateX(0); }
.mobile-close {
    position: absolute; top: 15px; right: 15px;
    background: none; border: none; color: var(--gray-300);
    font-size: 1.5rem; cursor: pointer;
}
.mobile-logo { margin-bottom: 30px; }
.mobile-logo img { height: 50px; }
.mobile-nav-list { list-style: none; }
.mobile-nav-list li { border-bottom: 1px solid rgba(255,255,255,0.05); }
.mobile-nav-list a {
    display: block; padding: 14px 0; color: var(--gray-300);
    font-size: 1.05rem; font-weight: 500; transition: var(--transition);
}
.mobile-nav-list a:hover, .mobile-nav-list a.active { color: var(--secondary); padding-left: 10px; }
.mobile-contact { margin-top: 30px; display: flex; flex-direction: column; gap: 12px; }
.mobile-contact a { color: var(--gray-500); font-size: 0.9rem; display: flex; align-items: center; gap: 8px; }
.mobile-contact a:hover { color: var(--secondary); }

/* ─── Hero ────────────────────────────────── */
.hero {
    position: relative; min-height: 80vh;
    display: flex; align-items: center; justify-content: center;
    overflow: hidden;
    background: var(--darker);
}
.hero-video-wrapper { 
    position: absolute; 
    inset: 0;
    z-index: 0; 
}
.hero-video { width: 100%; height: 100%; object-fit: contain; background: transparent; }
.hero-overlay {
    position: absolute; inset: 0; z-index: 1;
    background: linear-gradient(135deg, rgba(26,26,26,0.85) 0%, rgba(61,43,31,0.75) 50%, rgba(26,26,26,0.9) 100%);
}
.hero-content { position: relative; z-index: 2; text-align: center; padding: 120px 20px 80px; }
.hero-title {
    font-family: var(--font-display); font-size: clamp(1.8rem, 4vw, 3rem);
    font-weight: 700; color: var(--white); line-height: 1.15;
    margin-bottom: 15px; letter-spacing: -0.5px;
}
.hero-subtitle {
    font-size: clamp(1rem, 1.8vw, 1.15rem); color: var(--gray-300);
    max-width: 650px; margin: 0 auto 20px; line-height: 1.6;
}
.hero-actions { display: flex; gap: 15px; justify-content: center; flex-wrap: wrap; }
.hero-scroll-indicator {
    position: absolute; bottom: 30px; left: 50%; transform: translateX(-50%);
    color: var(--gray-500); font-size: 0.8rem; text-align: center;
    animation: bounce 2s infinite; cursor: pointer;
}
.hero-scroll-indicator span { display: block; margin-bottom: 5px; }

/* ─── Buttons ─────────────────────────────── */
.btn {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 12px 28px; border: 2px solid transparent;
    border-radius: var(--radius-sm); font-size: 0.95rem; font-weight: 600;
    cursor: pointer; transition: var(--transition); text-decoration: none;
    font-family: var(--font); line-height: 1.4;
}
.btn-primary {
    background: linear-gradient(135deg, var(--secondary), var(--accent));
    color: var(--white); border-color: var(--secondary);
}
.btn-primary:hover {
    background: linear-gradient(135deg, var(--accent), var(--secondary));
    transform: translateY(-2px); box-shadow: var(--shadow-copper); color: var(--white);
}
.btn-secondary { background: var(--primary); color: var(--white); border-color: var(--primary); }
.btn-secondary:hover { background: var(--primary-dark); transform: translateY(-2px); color: var(--white); }
.btn-outline { background: transparent; color: var(--white); border-color: rgba(255,255,255,0.4); }
.btn-outline:hover { background: var(--white); color: var(--primary); border-color: var(--white); }
.btn-outline-light { background: transparent; color: var(--white); border-color: rgba(255,255,255,0.3); }
.btn-outline-light:hover { background: rgba(255,255,255,0.1); color: var(--white); }
.btn-outline-sm {
    padding: 8px 18px; font-size: 0.85rem;
    background: transparent; color: var(--secondary); border: 1.5px solid var(--secondary);
}
.btn-outline-sm:hover { background: var(--secondary); color: var(--white); }
.btn-lg { padding: 14px 34px; font-size: 1.05rem; }
.btn-block { width: 100%; justify-content: center; }
.btn-sm { padding: 6px 14px; font-size: 0.8rem; }

/* ─── Sections ────────────────────────────── */
.section { padding: 90px 0; }
.section-label {
    display: inline-block; font-size: 0.8rem; font-weight: 700;
    text-transform: uppercase; letter-spacing: 3px; color: var(--secondary);
    margin-bottom: 12px;
}
.section-title {
    font-family: var(--font-display); font-size: clamp(1.8rem, 3vw, 2.6rem);
    font-weight: 700; color: var(--primary-dark); margin-bottom: 15px;
    line-height: 1.2;
}
.section-subtitle {
    font-size: 1.05rem; color: var(--text-light);
    max-width: 700px; margin: 0 auto; line-height: 1.7;
}
.section-header { text-align: center; margin-bottom: 55px; }

/* ─── Page Banner ─────────────────────────── */
.page-banner {
    position: relative; padding: 140px 0 70px;
    background: var(--darker);
    overflow: hidden;
}
.page-banner-overlay {
    position: absolute; inset: 0;
    z-index: 1;
    background: 
        url('../../doc/logo_escuro_desenho.png') center no-repeat,
        linear-gradient(rgba(15,10,4,0.7), rgba(15,10,4,0.7));
    background-size: 300px auto, cover;
    opacity: 0.5;
}
.page-banner-content { position: relative; z-index: 2; text-align: center; }
.page-banner-title {
    font-family: var(--font-display); font-size: clamp(2rem, 4vw, 3rem);
    color: var(--white); font-weight: 700; margin-bottom: 10px;
}
.page-banner-subtitle { color: var(--gray-300); font-size: 1.1rem; }
.breadcrumb { margin-top: 20px; font-size: 0.9rem; }
.breadcrumb a { color: var(--secondary); }
.breadcrumb a:hover { color: var(--secondary-light); }
.breadcrumb-separator { margin: 0 8px; color: var(--gray-500); font-size: 0.7rem; }
.breadcrumb-current { color: var(--gray-300); }

/* ─── About Preview (Home) ────────────────── */
.about-preview-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.about-preview-content .section-text p { margin-bottom: 15px; color: var(--text-light); }
.about-image-frame {
    position: relative; background: var(--dark); border-radius: var(--radius-lg);
    padding: 40px; display: flex; align-items: center; justify-content: center;
    box-shadow: var(--shadow-lg);
}
.about-logo-display { max-height: 250px; }
.about-badge {
    position: absolute; bottom: -15px; right: -15px;
    background: linear-gradient(135deg, var(--secondary), var(--accent));
    padding: 15px 20px; border-radius: var(--radius); text-align: center;
    box-shadow: var(--shadow-copper);
}
.badge-number { display: block; font-size: 0.75rem; color: rgba(255,255,255,0.8); text-transform: uppercase; }
.badge-year { display: block; font-size: 1.6rem; font-weight: 800; color: var(--white); }

/* ─── Highlights ──────────────────────────── */
.section-highlights { background: var(--gray-100); }
.highlights-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 25px; }
.highlight-card {
    background: var(--white); padding: 35px 25px; border-radius: var(--radius);
    text-align: center; transition: var(--transition);
    border: 1px solid var(--gray-200); position: relative; overflow: hidden;
}
.highlight-card::before {
    content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
    background: linear-gradient(90deg, var(--secondary), var(--accent));
    transform: scaleX(0); transition: transform 0.4s; transform-origin: left;
}
.highlight-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); }
.highlight-card:hover::before { transform: scaleX(1); }
.highlight-icon {
    width: 65px; height: 65px; margin: 0 auto 18px;
    background: linear-gradient(135deg, rgba(184,115,51,0.1), rgba(212,149,106,0.15));
    border-radius: 50%; display: flex; align-items: center; justify-content: center;
    font-size: 1.4rem; color: var(--secondary); transition: var(--transition);
}
.highlight-card:hover .highlight-icon { background: var(--secondary); color: var(--white); transform: scale(1.1); }
.highlight-title { font-size: 1.05rem; font-weight: 700; margin-bottom: 8px; color: var(--primary-dark); }
.highlight-text { font-size: 0.9rem; color: var(--text-light); line-height: 1.6; }

/* ─── CTA Section ─────────────────────────── */
.section-cta {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--dark) 100%);
    padding: 80px 0; text-align: center;
}
.cta-content h2 { font-family: var(--font-display); color: var(--white); font-size: clamp(1.6rem, 3vw, 2.2rem); margin-bottom: 15px; }
.cta-content p { color: var(--gray-300); font-size: 1.05rem; max-width: 600px; margin: 0 auto 30px; }
.cta-actions { display: flex; gap: 15px; justify-content: center; flex-wrap: wrap; }

/* ─── Products Preview (Home) ─────────────── */
.products-preview-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.product-preview-card {
    background: var(--white); padding: 35px; border-radius: var(--radius);
    border: 1px solid var(--gray-200); transition: var(--transition);
}
.product-preview-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); border-color: var(--secondary); }
.product-preview-icon {
    width: 55px; height: 55px; background: var(--gray-100);
    border-radius: var(--radius-sm); display: flex; align-items: center; justify-content: center;
    font-size: 1.3rem; color: var(--secondary); margin-bottom: 18px; transition: var(--transition);
}
.product-preview-card:hover .product-preview-icon { background: var(--secondary); color: var(--white); }
.product-preview-card h3 { font-size: 1.15rem; font-weight: 700; margin-bottom: 10px; color: var(--primary-dark); }
.product-preview-card p { font-size: 0.9rem; color: var(--text-light); margin-bottom: 15px; }
.product-link { font-size: 0.9rem; font-weight: 600; color: var(--secondary); display: inline-flex; align-items: center; gap: 5px; }
.product-link:hover { gap: 10px; color: var(--primary); }
.text-center { text-align: center; }
.mt-4 { margin-top: 30px; }

/* ─── About Page ──────────────────────────── */
.about-content-grid { display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 60px; align-items: center; }
.about-text-content p { margin-bottom: 15px; color: var(--text-light); line-height: 1.8; }
.about-image-showcase { position: relative; }
.about-showcase-img {
    width: 100%; max-height: 350px; object-fit: contain;
    background: var(--dark); border-radius: var(--radius-lg); padding: 30px;
    box-shadow: var(--shadow-lg);
}
.about-experience-badge {
    position: absolute; bottom: -20px; left: -20px;
    background: linear-gradient(135deg, var(--secondary), var(--accent));
    padding: 20px 25px; border-radius: var(--radius); text-align: center;
    box-shadow: var(--shadow-copper);
}
.exp-number { display: block; font-size: 2.2rem; font-weight: 900; color: var(--white); line-height: 1; }
.exp-text { display: block; font-size: 0.8rem; color: rgba(255,255,255,0.85); margin-top: 4px; }

/* MVV Cards */
.mvv-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.mvv-card {
    background: var(--white); padding: 40px 30px; border-radius: var(--radius);
    border: 1px solid var(--gray-200); text-align: center; transition: var(--transition);
}
.mvv-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); }
.mvv-icon {
    width: 70px; height: 70px; margin: 0 auto 20px;
    background: linear-gradient(135deg, var(--secondary), var(--accent));
    border-radius: 50%; display: flex; align-items: center; justify-content: center;
    font-size: 1.5rem; color: var(--white);
}
.mvv-card h3 { font-family: var(--font-display); font-size: 1.3rem; margin-bottom: 12px; color: var(--primary-dark); }
.mvv-card p { color: var(--text-light); font-size: 0.95rem; line-height: 1.7; }
.values-list { list-style: none; text-align: left; }
.values-list li { padding: 6px 0; color: var(--text-light); font-size: 0.9rem; display: flex; align-items: center; gap: 8px; }
.values-list li i { color: var(--secondary); font-size: 0.8rem; }
.section-mvv { background: var(--gray-100); }


/* PDF Download */
.pdf-download-card {
    display: flex; align-items: center; gap: 25px;
    background: var(--white); padding: 30px; border-radius: var(--radius);
    border: 1px solid var(--gray-200); box-shadow: var(--shadow);
}
.pdf-icon { font-size: 3rem; color: var(--danger); }
.pdf-info { flex: 1; }
.pdf-info h3 { font-size: 1.2rem; margin-bottom: 5px; color: var(--primary-dark); }
.pdf-info p { font-size: 0.9rem; color: var(--text-light); }
.section-pdf { background: var(--gray-100); }

/* ─── Services / Categories ───────────────── */
.categories-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.category-card {
    background: var(--white); border-radius: var(--radius);
    border: 1px solid var(--gray-200); overflow: hidden; transition: var(--transition);
    display: flex; flex-direction: column;
}
.category-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); border-color: var(--secondary); }

.category-img {
    height: 200px; width: 100%; overflow: hidden;
    background: var(--gray-100); border-bottom: 1px solid var(--gray-200);
}
.category-img img {
    width: 100%; height: 100%; object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}
.category-card:hover .category-img img { transform: scale(1.08); }

.category-header {
    padding: 25px 25px 15px; display: flex; flex-direction: column; gap: 15px;
}
.category-icon-title { display: flex; align-items: center; gap: 15px; }
.category-icon {
    width: 46px; height: 46px; min-width: 46px;
    background: linear-gradient(135deg, var(--secondary), var(--accent));
    border-radius: var(--radius-sm); display: flex; align-items: center; justify-content: center;
    font-size: 1.1rem; color: var(--white);
}
.category-title { font-size: 1.1rem; font-weight: 700; color: var(--primary-dark); margin: 0; }
.category-body { padding: 0 25px 20px; flex: 1; }
.category-description { font-size: 0.9rem; color: var(--text-light); margin-bottom: 15px; line-height: 1.6; }
.category-items { list-style: none; }
.category-items li {
    padding: 5px 0; font-size: 0.85rem; color: var(--text-light);
    display: flex; align-items: center; gap: 8px;
}
.category-items li i { color: var(--secondary); font-size: 0.7rem; }
.category-footer { padding: 0 25px 25px; }

/* ─── Diferenciais ────────────────────────── */
.diff-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 25px; }
.diff-card {
    background: var(--white); padding: 30px 22px; border-radius: var(--radius);
    border: 1px solid var(--gray-200); transition: var(--transition); position: relative;
}
.diff-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); border-color: var(--secondary); }
.diff-card-icon { display: flex; align-items: center; gap: 12px; margin-bottom: 15px; }
.diff-card-icon i {
    font-size: 1.6rem; color: var(--secondary);
    width: 50px; height: 50px;
    background: linear-gradient(135deg, rgba(184,115,51,0.1), rgba(212,149,106,0.15));
    border-radius: 50%; display: flex; align-items: center; justify-content: center;
    transition: var(--transition);
}
.diff-card:hover .diff-card-icon i { background: var(--secondary); color: var(--white); }
.diff-number { font-size: 0.75rem; font-weight: 800; color: var(--gray-300); }
.diff-card-title { font-size: 1rem; font-weight: 700; margin-bottom: 8px; color: var(--primary-dark); }
.diff-card-text { font-size: 0.88rem; color: var(--text-light); line-height: 1.6; }

/* Stats */
.section-stats {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--dark) 100%);
    padding: 70px 0;
}
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; text-align: center; }
.stat-value { display: block; font-size: 2.8rem; font-weight: 900; color: var(--secondary); line-height: 1; }
.stat-label { display: block; font-size: 0.9rem; color: var(--gray-300); margin-top: 8px; }

/* ─── Gallery ─────────────────────────────── */
.video-showcase {
    background: var(--dark); border-radius: var(--radius-lg); overflow: hidden;
    box-shadow: var(--shadow-lg); max-width: 800px; margin: 0 auto;
}
.video-title {
    padding: 20px 25px; color: var(--white); font-size: 1.1rem;
    display: flex; align-items: center; gap: 10px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}
.video-wrapper { position: relative; }
.gallery-video { width: 100%; display: block; }
.gallery-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 25px; }
.gallery-item {
    border-radius: var(--radius); overflow: hidden;
    border: 1px solid var(--gray-200); transition: var(--transition);
}
.gallery-item:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }
.gallery-image-thumb, .gallery-video-thumb {
    position: relative; height: 200px; overflow: hidden; background: var(--gray-100);
}
.gallery-image-thumb img, .gallery-thumb-video {
    width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s;
}
.gallery-item:hover .gallery-image-thumb img,
.gallery-item:hover .gallery-thumb-video { transform: scale(1.05); }
.gallery-play-icon {
    position: absolute; inset: 0; display: flex; align-items: center; justify-content: center;
    background: rgba(0,0,0,0.3); color: var(--white); font-size: 2rem;
}
.gallery-item-info { padding: 15px; }
.gallery-item-info h4 { font-size: 0.95rem; margin-bottom: 4px; color: var(--primary-dark); }
.gallery-item-info p { font-size: 0.8rem; color: var(--text-light); }
.gallery-empty {
    text-align: center; padding: 60px 20px; color: var(--gray-500);
}
.gallery-empty i { font-size: 3rem; margin-bottom: 15px; display: block; }

/* ─── Contact ─────────────────────────────── */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; }
.contact-form-col h2, .contact-info-col h2 {
    font-family: var(--font-display); font-size: 1.6rem;
    color: var(--primary-dark); margin-bottom: 10px;
}
.contact-form-col > p { color: var(--text-light); margin-bottom: 25px; }

.form-group { margin-bottom: 18px; }
.form-group label {
    display: block; font-size: 0.88rem; font-weight: 600;
    color: var(--gray-700); margin-bottom: 6px;
}
.form-group label i { color: var(--secondary); margin-right: 4px; }
.form-group input, .form-group textarea, .form-group select {
    width: 100%; padding: 12px 16px;
    border: 1.5px solid var(--gray-200); border-radius: var(--radius-sm);
    font-size: 0.95rem; font-family: var(--font); color: var(--text);
    transition: var(--transition); background: var(--white);
}
.form-group input:focus, .form-group textarea:focus {
    outline: none; border-color: var(--secondary);
    box-shadow: 0 0 0 3px rgba(184,115,51,0.12);
}
.form-group textarea { resize: vertical; min-height: 120px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 15px; }
.captcha-group label { color: var(--secondary); font-weight: 700; }
.form-message {
    margin-top: 15px; padding: 12px 16px; border-radius: var(--radius-sm);
    font-size: 0.9rem; font-weight: 500;
}
.form-message.success { background: rgba(39,174,96,0.1); color: var(--success); border: 1px solid var(--success); }
.form-message.error { background: rgba(192,57,43,0.1); color: var(--danger); border: 1px solid var(--danger); }

/* Contact Info Cards */
.contact-info-cards { display: flex; flex-direction: column; gap: 15px; margin-top: 20px; }
.contact-info-card {
    display: flex; align-items: flex-start; gap: 15px;
    padding: 18px; background: var(--gray-100); border-radius: var(--radius-sm);
    transition: var(--transition);
}
.contact-info-card:hover { background: var(--gray-200); }
.info-card-icon {
    width: 42px; height: 42px; min-width: 42px;
    background: linear-gradient(135deg, var(--secondary), var(--accent));
    border-radius: 50%; display: flex; align-items: center; justify-content: center;
    color: var(--white); font-size: 0.9rem;
}
.info-card-content h4 { font-size: 0.85rem; font-weight: 700; color: var(--primary-dark); margin-bottom: 3px; }
.info-card-content p, .info-card-content a { font-size: 0.88rem; color: var(--text-light); }
.info-card-content a:hover { color: var(--secondary); }
.contact-map { margin-top: 25px; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }

/* ─── Footer ──────────────────────────────── */
.site-footer { background: var(--dark); color: var(--gray-300); }
.footer-top { padding: 60px 0 40px; }
.footer-grid { display: grid; grid-template-columns: 1.3fr 1fr 1fr 1.2fr; gap: 40px; }
.footer-logo img { height: 55px; margin-bottom: 15px; }
.footer-about { font-size: 0.88rem; line-height: 1.7; color: var(--gray-500); margin-bottom: 18px; }
.footer-social { display: flex; gap: 10px; }
.footer-social a {
    width: 36px; height: 36px; border-radius: 50%;
    background: rgba(255,255,255,0.08); display: flex; align-items: center; justify-content: center;
    color: var(--gray-300); font-size: 0.9rem; transition: var(--transition);
}
.footer-social a:hover { background: var(--secondary); color: var(--white); transform: translateY(-2px); }
.footer-title {
    font-size: 1rem; font-weight: 700; color: var(--white);
    margin-bottom: 18px; padding-bottom: 10px;
    border-bottom: 2px solid var(--secondary); display: inline-block;
}
.footer-links { list-style: none; }
.footer-links li { margin-bottom: 8px; }
.footer-links a { color: var(--gray-500); font-size: 0.88rem; display: flex; align-items: center; gap: 6px; }
.footer-links a:hover { color: var(--secondary); padding-left: 5px; }
.footer-links a i { font-size: 0.6rem; color: var(--secondary); }
.footer-contact { list-style: none; }
.footer-contact li { display: flex; align-items: flex-start; gap: 10px; margin-bottom: 12px; font-size: 0.88rem; }
.footer-contact li i { color: var(--secondary); margin-top: 3px; min-width: 16px; }
.footer-contact li a { color: var(--gray-500); }
.footer-contact li a:hover { color: var(--secondary); }
.footer-bottom {
    padding: 18px 0; border-top: 1px solid rgba(255,255,255,0.06);
}
.footer-bottom-content {
    display: flex; justify-content: space-between; align-items: center;
    font-size: 0.82rem; color: var(--gray-500);
}
.footer-dev { color: var(--gray-700); }

/* ─── Floating Buttons ────────────────────── */
.whatsapp-float {
    position: fixed; bottom: 25px; right: 25px; z-index: 999;
    width: 56px; height: 56px; border-radius: 50%;
    background: #25D366; color: var(--white);
    display: flex; align-items: center; justify-content: center;
    font-size: 1.6rem; box-shadow: 0 4px 15px rgba(37,211,102,0.4);
    transition: var(--transition); animation: whatsappPulse 2s infinite;
}
.whatsapp-float:hover { transform: scale(1.1); color: var(--white); box-shadow: 0 6px 20px rgba(37,211,102,0.5); }
.back-to-top {
    position: fixed; bottom: 25px; right: 90px; z-index: 999;
    width: 44px; height: 44px; border-radius: 50%;
    background: var(--primary); color: var(--white); border: none;
    display: flex; align-items: center; justify-content: center;
    font-size: 1rem; cursor: pointer; opacity: 0; visibility: hidden;
    transition: var(--transition); box-shadow: var(--shadow);
}
.back-to-top.visible { opacity: 1; visibility: visible; }
.back-to-top:hover { background: var(--secondary); transform: translateY(-3px); }

/* ─── Animations ──────────────────────────── */
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.6; } }
@keyframes bounce { 0%, 100% { transform: translateX(-50%) translateY(0); } 50% { transform: translateX(-50%) translateY(8px); } }
@keyframes whatsappPulse { 0%, 100% { box-shadow: 0 4px 15px rgba(37,211,102,0.4); } 50% { box-shadow: 0 4px 25px rgba(37,211,102,0.6); } }

[data-animate] { opacity: 0; transform: translateY(30px); transition: opacity 0.7s ease, transform 0.7s ease; }
[data-animate].animated { opacity: 1; transform: translateY(0); }
[data-animate="fadeInLeft"] { transform: translateX(-30px); }
[data-animate="fadeInLeft"].animated { transform: translateX(0); }
[data-animate="fadeInRight"] { transform: translateX(30px); }
[data-animate="fadeInRight"].animated { transform: translateX(0); }

/* ─── Responsive ──────────────────────────── */
@media (max-width: 1024px) {
    .highlights-grid, .diff-grid, .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .categories-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: repeat(2, 1fr); }
    .about-preview-grid, .about-content-grid, .contact-grid { grid-template-columns: 1fr; gap: 40px; }
    .mvv-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
    .main-nav { display: none; }
    .mobile-toggle { display: flex; }
    .hero-title { font-size: 2rem; }
    .highlights-grid, .diff-grid, .stats-grid { grid-template-columns: 1fr; }
    .categories-grid, .products-preview-grid, .gallery-grid { grid-template-columns: 1fr; }
    .form-row { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
    .footer-bottom-content { flex-direction: column; gap: 5px; text-align: center; }
    .pdf-download-card { flex-direction: column; text-align: center; }
    .timeline::before { left: 20px; }
    .timeline-item.left, .timeline-item.right { padding-left: 50px; padding-right: 0; justify-content: flex-start; }
    .timeline-marker { left: 20px; }
    .section { padding: 60px 0; }
    .header-container { height: 75px; }
    .logo-img { height: 50px; }
    .back-to-top { right: 15px; bottom: 90px; }
    .whatsapp-float { bottom: 20px; right: 15px; }
}
/* ─── Home Page Header Overrides ─────────── */
.page-home .site-header {
    background: transparent;
    border-bottom: none;
    backdrop-filter: none;
}
.page-home .site-header.scrolled {
    background: rgba(26,26,26,0.95);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(184,115,51,0.15);
}