/* ============================================
   CASA DO AMBIENTALISTA - Custom Styles
   Palette: #6FBCD1, #4EABBF, #1B98A8, #187A87, #0A6373
   ============================================ */

:root {
    --c1: #6FBCD1;
    --c2: #4EABBF;
    --c3: #1B98A8;
    --c4: #187A87;
    --c5: #0A6373;
    --white: #ffffff;
    --off-white: #f8fbfc;
    --light-bg: #eef5f7;
    --text-dark: #1a2332;
    --text-muted: #5a6a7e;
    --gradient-primary: linear-gradient(135deg, var(--c3) 0%, var(--c5) 100%);
    --gradient-hero: linear-gradient(160deg, #0a1628 0%, var(--c5) 50%, var(--c3) 100%);
    --shadow-sm: 0 2px 8px rgba(10,99,115,0.08);
    --shadow-md: 0 8px 30px rgba(10,99,115,0.12);
    --shadow-lg: 0 20px 60px rgba(10,99,115,0.15);
    --shadow-card: 0 4px 20px rgba(10,99,115,0.1);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 30px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html { scroll-behavior: smooth; }

body {
    font-family: 'Inter', sans-serif;
    color: var(--text-dark);
    line-height: 1.7;
    overflow-x: hidden;
    background: var(--white);
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    line-height: 1.2;
}

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

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

.container { max-width: 1200px; }

/* ---- TOP BAR ---- */
.top-bar {
    background: var(--c5);
    color: rgba(255,255,255,0.85);
    font-size: 0.8rem;
    padding: 6px 0;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    transition: max-height 0.3s ease, opacity 0.3s ease, padding 0.3s ease;
    max-height: 50px;
    overflow: hidden;
}
.top-bar-item { margin-right: 20px; }
.top-bar-item i { margin-right: 4px; color: var(--c1); }
.top-bar-social {
    color: rgba(255,255,255,0.7);
    margin-left: 10px;
    font-size: 0.85rem;
}
.top-bar-social:hover { color: var(--c1); }

/* ---- HEADER WRAPPER (fixed) ---- */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1050;
    transition: var(--transition);
}
.site-header.scrolled .top-bar {
    max-height: 0;
    opacity: 0;
    pointer-events: none;
    padding-top: 0;
    padding-bottom: 0;
    border-bottom: 0;
    overflow: hidden;
}

/* ---- NAVBAR ---- */
#mainNav {
    padding: 12px 0;
    transition: var(--transition);
    background: transparent;
}
.site-header.scrolled #mainNav {
    background: rgba(10,22,40,0.95);
    backdrop-filter: blur(20px);
    padding: 8px 0;
    box-shadow: 0 4px 30px rgba(0,0,0,0.15);
}
.brand-icon {
    width: 42px;
    height: 42px;
    background: var(--gradient-primary);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    color: var(--white);
    margin-right: 10px;
    flex-shrink: 0;
}
.brand-text { display: flex; flex-direction: column; line-height: 1.1; }
.brand-name { font-family: 'Space Grotesk', sans-serif; font-weight: 700; font-size: 0.95rem; color: var(--white); }
.brand-highlight { color: var(--c1); }

#mainNav .nav-link {
    color: rgba(255,255,255,0.85);
    font-weight: 500;
    font-size: 0.9rem;
    padding: 8px 14px !important;
    border-radius: var(--radius-sm);
    transition: var(--transition);
}
#mainNav .nav-link:hover,
#mainNav .nav-link.active {
    color: var(--white);
    background: rgba(255,255,255,0.1);
}
.btn-cta-nav {
    background: var(--gradient-primary);
    color: var(--white) !important;
    padding: 10px 22px !important;
    border-radius: var(--radius-xl) !important;
    font-weight: 600;
    font-size: 0.85rem;
    border: none;
}
.btn-cta-nav:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(27,152,168,0.4);
    color: var(--white) !important;
}
.btn-cta-nav i { margin-right: 6px; }

/* Dropdown */
.mega-dropdown {
    min-width: 280px;
    padding: 10px;
    border: none;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
}
.dropdown-header {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    color: var(--c5);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    padding: 8px 16px;
}
.dropdown-item {
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    font-size: 0.88rem;
    color: var(--text-dark);
}
.dropdown-item:hover {
    background: var(--light-bg);
    color: var(--c5);
}
.dropdown-item i { color: var(--c3); width: 20px; margin-right: 8px; }

/* ---- HERO SECTION ---- */
.hero {
    background: var(--gradient-hero);
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    padding-top: 120px;
}
.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(111,188,209,0.15) 0%, transparent 70%);
    border-radius: 50%;
}
.hero::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(27,152,168,0.1) 0%, transparent 70%);
    border-radius: 50%;
}
.hero-content { position: relative; z-index: 2; }
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(111,188,209,0.15);
    border: 1px solid rgba(111,188,209,0.3);
    color: var(--c1);
    padding: 8px 20px;
    border-radius: var(--radius-xl);
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 24px;
}
.hero h1 {
    font-size: clamp(2.2rem, 5vw, 3.8rem);
    color: var(--white);
    margin-bottom: 20px;
    line-height: 1.1;
}
.hero h1 span { color: var(--c1); }
.hero p {
    font-size: 1.15rem;
    color: rgba(255,255,255,0.8);
    max-width: 600px;
    margin-bottom: 35px;
    line-height: 1.8;
}
.hero-buttons { display: flex; gap: 15px; flex-wrap: wrap; }
.btn-hero-primary {
    background: var(--gradient-primary);
    color: var(--white);
    padding: 14px 32px;
    border-radius: var(--radius-xl);
    font-weight: 600;
    font-size: 1rem;
    border: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}
.btn-hero-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 35px rgba(27,152,168,0.4);
    color: var(--white);
}
.btn-hero-secondary {
    background: rgba(255,255,255,0.1);
    border: 2px solid rgba(255,255,255,0.3);
    color: var(--white);
    padding: 14px 32px;
    border-radius: var(--radius-xl);
    font-weight: 600;
    font-size: 1rem;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}
.btn-hero-secondary:hover {
    background: rgba(255,255,255,0.15);
    border-color: var(--c1);
    color: var(--white);
}
.hero-stats {
    display: flex;
    gap: 50px;
    margin-top: 50px;
    padding-top: 40px;
    border-top: 1px solid rgba(255,255,255,0.15);
}
.hero-stat h3 {
    font-size: 2.2rem;
    color: var(--c1);
    margin-bottom: 4px;
}
.hero-stat p {
    font-size: 0.85rem;
    color: rgba(255,255,255,0.6);
    margin-bottom: 0;
}

/* Hero Visual */
.hero-visual {
    position: relative;
    z-index: 2;
}
.hero-card {
    background: rgba(255,255,255,0.07);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: var(--radius-lg);
    padding: 30px;
    margin-bottom: 20px;
    transition: var(--transition);
}
.hero-card:hover {
    background: rgba(255,255,255,0.1);
    transform: translateY(-5px);
    border-color: rgba(111,188,209,0.3);
}
.hero-card-icon {
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    color: var(--white);
    margin-bottom: 15px;
}
.hero-card h4 { color: var(--white); font-size: 1rem; margin-bottom: 6px; }
.hero-card p { color: rgba(255,255,255,0.6); font-size: 0.82rem; margin-bottom: 0; }

/* ---- SECTION STYLES ---- */
.section-padding { padding: 100px 0; }
.section-header { text-align: center; max-width: 700px; margin: 0 auto 60px; }
.section-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(27,152,168,0.1);
    color: var(--c5);
    padding: 6px 18px;
    border-radius: var(--radius-xl);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: 16px;
}
.section-header h2 {
    font-size: clamp(1.8rem, 3vw, 2.6rem);
    color: var(--text-dark);
    margin-bottom: 16px;
}
.section-header h2 span { color: var(--c3); }
.section-header p { color: var(--text-muted); font-size: 1.05rem; }

/* ---- CARDS ---- */
.card-solution {
    background: var(--white);
    border: 1px solid rgba(10,99,115,0.08);
    border-radius: var(--radius-md);
    padding: 35px 30px;
    height: 100%;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}
.card-solution::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--gradient-primary);
    opacity: 0;
    transition: var(--transition);
}
.card-solution:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}
.card-solution:hover::before { opacity: 1; }
.card-icon {
    width: 65px;
    height: 65px;
    background: var(--light-bg);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
    color: var(--c3);
    margin-bottom: 20px;
    transition: var(--transition);
}
.card-solution:hover .card-icon {
    background: var(--gradient-primary);
    color: var(--white);
    transform: scale(1.05);
}
.card-solution h4 { font-size: 1.1rem; margin-bottom: 10px; color: var(--text-dark); }
.card-solution p { color: var(--text-muted); font-size: 0.9rem; line-height: 1.7; }
.card-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--c3);
    font-weight: 600;
    font-size: 0.88rem;
    margin-top: 15px;
}
.card-link:hover { gap: 10px; color: var(--c5); }

/* ---- SYSTEM CARDS (Technology) ---- */
.card-system {
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-card);
    transition: var(--transition);
    border: 1px solid rgba(10,99,115,0.06);
}
.card-system:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}
.card-system-img {
    height: 200px;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}
.card-system-img::after {
    content: '';
    position: absolute;
    width: 200px;
    height: 200px;
    background: rgba(255,255,255,0.05);
    border-radius: 50%;
    top: -50px;
    right: -50px;
}
.card-system-icon {
    font-size: 4rem;
    color: rgba(255,255,255,0.9);
    z-index: 1;
}
.card-system-body { padding: 30px; }
.card-system-body h3 { font-size: 1.3rem; margin-bottom: 10px; }
.card-system-body .sys-tag {
    display: inline-block;
    background: rgba(27,152,168,0.1);
    color: var(--c5);
    padding: 4px 12px;
    border-radius: var(--radius-xl);
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 12px;
}
.card-system-body p { color: var(--text-muted); font-size: 0.9rem; }

/* ---- DIFERENCIAIS ---- */
.diferencial-card {
    text-align: center;
    padding: 40px 25px;
    background: var(--white);
    border-radius: var(--radius-md);
    border: 1px solid rgba(10,99,115,0.06);
    transition: var(--transition);
    height: 100%;
}
.diferencial-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}
.diferencial-icon {
    width: 75px;
    height: 75px;
    background: var(--light-bg);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    color: var(--c3);
    margin: 0 auto 20px;
    transition: var(--transition);
}
.diferencial-card:hover .diferencial-icon {
    background: var(--gradient-primary);
    color: var(--white);
}
.diferencial-card h4 { font-size: 1.05rem; margin-bottom: 10px; }
.diferencial-card p { color: var(--text-muted); font-size: 0.88rem; }

/* ---- DEPOIMENTOS ---- */
.depoimento-card {
    background: var(--white);
    border-radius: var(--radius-md);
    padding: 35px;
    box-shadow: var(--shadow-card);
    position: relative;
    height: 100%;
    border: 1px solid rgba(10,99,115,0.06);
}
.depoimento-card::before {
    content: '\201C';
    font-size: 5rem;
    color: var(--c1);
    opacity: 0.2;
    position: absolute;
    top: 10px;
    left: 20px;
    font-family: serif;
    line-height: 1;
}
.depoimento-card p { font-style: italic; color: var(--text-muted); margin-bottom: 20px; position: relative; z-index: 1; }
.depoimento-author { display: flex; align-items: center; gap: 12px; }
.depoimento-avatar {
    width: 48px;
    height: 48px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-weight: 700;
    font-size: 1.1rem;
}
.depoimento-info h5 { font-size: 0.9rem; margin-bottom: 2px; }
.depoimento-info span { font-size: 0.78rem; color: var(--text-muted); }

/* ---- PAGE HEADER (inner pages) ---- */
.page-header {
    background: var(--gradient-hero);
    padding: 170px 0 80px;
    position: relative;
    overflow: hidden;
}
.page-header::before {
    content: '';
    position: absolute;
    top: -200px;
    right: -100px;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(111,188,209,0.1) 0%, transparent 70%);
    border-radius: 50%;
}
.page-header h1 { color: var(--white); font-size: clamp(2rem, 4vw, 3rem); position: relative; z-index: 1; }
.page-header .breadcrumb { position: relative; z-index: 1; }
.page-header .breadcrumb a { color: var(--c1); }
.page-header .breadcrumb-item.active { color: rgba(255,255,255,0.6); }
.page-header .breadcrumb-item + .breadcrumb-item::before { color: rgba(255,255,255,0.4); }

/* ---- BLOG/NEWS CARDS ---- */
.card-blog {
    background: var(--white);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-card);
    transition: var(--transition);
    height: 100%;
    border: 1px solid rgba(10,99,115,0.06);
}
.card-blog:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}
.card-blog-img {
    height: 200px;
    background-size: cover;
    background-position: center;
    position: relative;
}
.card-blog-cat {
    position: absolute;
    top: 15px;
    left: 15px;
    background: var(--gradient-primary);
    color: var(--white);
    padding: 4px 14px;
    border-radius: var(--radius-xl);
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
}
.card-blog-body { padding: 25px; }
.card-blog-date { font-size: 0.78rem; color: var(--text-muted); margin-bottom: 8px; }
.card-blog-date i { margin-right: 4px; color: var(--c3); }
.card-blog-body h4 { font-size: 1.05rem; margin-bottom: 10px; line-height: 1.4; }
.card-blog-body h4 a { color: var(--text-dark); }
.card-blog-body h4 a:hover { color: var(--c3); }
.card-blog-body p { color: var(--text-muted); font-size: 0.85rem; }

/* ---- CONTATO ---- */
.contact-info-card {
    background: var(--white);
    border-radius: var(--radius-md);
    padding: 30px;
    text-align: center;
    box-shadow: var(--shadow-card);
    height: 100%;
    border: 1px solid rgba(10,99,115,0.06);
    transition: var(--transition);
}
.contact-info-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}
.contact-info-icon {
    width: 60px;
    height: 60px;
    background: var(--light-bg);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    color: var(--c3);
    margin: 0 auto 15px;
}
.contact-info-card h5 { font-size: 1rem; margin-bottom: 8px; }
.contact-info-card p { color: var(--text-muted); font-size: 0.88rem; margin-bottom: 0; }

/* Form */
.form-cda .form-control,
.form-cda .form-select {
    border: 2px solid rgba(10,99,115,0.1);
    border-radius: var(--radius-sm);
    padding: 12px 16px;
    font-size: 0.9rem;
    transition: var(--transition);
}
.form-cda .form-control:focus,
.form-cda .form-select:focus {
    border-color: var(--c3);
    box-shadow: 0 0 0 4px rgba(27,152,168,0.1);
}
.form-cda label {
    font-weight: 600;
    font-size: 0.85rem;
    color: var(--text-dark);
    margin-bottom: 6px;
}
.btn-form-submit {
    background: var(--gradient-primary);
    color: var(--white);
    padding: 14px 40px;
    border-radius: var(--radius-xl);
    font-weight: 600;
    border: none;
    font-size: 1rem;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}
.btn-form-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(27,152,168,0.4);
    color: var(--white);
}

/* ---- LOJA ---- */
.store-banner {
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
    padding: 50px 40px;
    color: var(--white);
    position: relative;
    overflow: hidden;
}
.store-banner::after {
    content: '';
    position: absolute;
    right: -50px;
    top: -50px;
    width: 250px;
    height: 250px;
    background: rgba(255,255,255,0.05);
    border-radius: 50%;
}
.store-banner h2 { font-size: 2rem; margin-bottom: 10px; }
.store-banner p { opacity: 0.9; max-width: 500px; }

.product-card {
    background: var(--white);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-card);
    transition: var(--transition);
    height: 100%;
    border: 1px solid rgba(10,99,115,0.06);
}
.product-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}
.product-card-img {
    height: 220px;
    background: var(--light-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}
.product-card-body { padding: 20px; }
.product-card-body h5 { font-size: 0.95rem; margin-bottom: 8px; }
.product-price { font-size: 1.3rem; font-weight: 700; color: var(--c5); }
.product-price-old { font-size: 0.85rem; color: var(--text-muted); text-decoration: line-through; margin-left: 8px; }
.btn-ml {
    background: #FFE600;
    color: #333;
    border: none;
    padding: 10px 24px;
    border-radius: var(--radius-xl);
    font-weight: 700;
    font-size: 0.85rem;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: var(--transition);
}
.btn-ml:hover { transform: translateY(-2px); box-shadow: 0 4px 15px rgba(255,230,0,0.4); color: #333; }

/* ---- FOOTER ---- */
.footer-cta {
    background: var(--gradient-primary);
    padding: 60px 0;
    color: var(--white);
}
.footer-cta h3 { font-size: 1.8rem; margin-bottom: 10px; }
.footer-cta p { opacity: 0.9; margin-bottom: 0; }
.footer-main {
    background: #0c1929;
    padding: 70px 0 40px;
    color: rgba(255,255,255,0.7);
}
.footer-logo {
    display: flex;
    align-items: center;
    margin-bottom: 20px;
}
.footer-logo .brand-icon { width: 38px; height: 38px; font-size: 1.1rem; }
.footer-logo .brand-name { font-size: 0.85rem; }
.footer-desc { font-size: 0.88rem; line-height: 1.8; }
.footer-social { display: flex; gap: 10px; margin-top: 20px; }
.social-link {
    width: 40px;
    height: 40px;
    background: rgba(255,255,255,0.08);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255,255,255,0.7);
    font-size: 1rem;
    transition: var(--transition);
}
.social-link:hover { background: var(--c3); color: var(--white); }
.footer-title {
    color: var(--white);
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 10px;
}
.footer-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 30px;
    height: 3px;
    background: var(--c3);
    border-radius: 2px;
}
.footer-links { list-style: none; padding: 0; }
.footer-links li { margin-bottom: 10px; }
.footer-links a {
    color: rgba(255,255,255,0.6);
    font-size: 0.88rem;
    transition: var(--transition);
}
.footer-links a:hover { color: var(--c1); padding-left: 5px; }
.footer-contact { list-style: none; padding: 0; }
.footer-contact li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin-bottom: 15px;
    font-size: 0.88rem;
}
.footer-contact i { color: var(--c3); margin-top: 3px; }
.footer-contact a { color: rgba(255,255,255,0.6); }
.footer-contact a:hover { color: var(--c1); }
.footer-bottom {
    background: #080f1a;
    padding: 20px 0;
    font-size: 0.82rem;
    color: rgba(255,255,255,0.4);
}
.footer-bottom a { color: rgba(255,255,255,0.5); }
.footer-bottom a:hover { color: var(--c1); }
.footer-divider { margin: 0 10px; }

/* ---- WHATSAPP FLOAT ---- */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background: #25d366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    color: var(--white);
    box-shadow: 0 6px 20px rgba(37,211,102,0.4);
    z-index: 1040;
    transition: var(--transition);
    animation: pulse-whatsapp 2s infinite;
}
.whatsapp-float:hover { transform: scale(1.1); color: var(--white); }
@keyframes pulse-whatsapp {
    0%, 100% { box-shadow: 0 6px 20px rgba(37,211,102,0.4); }
    50% { box-shadow: 0 6px 30px rgba(37,211,102,0.6); }
}

/* ---- BACK TO TOP ---- */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 100px;
    width: 45px;
    height: 45px;
    background: var(--gradient-primary);
    border-radius: 50%;
    border: none;
    color: var(--white);
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 1040;
    box-shadow: var(--shadow-md);
}
.back-to-top.show { opacity: 1; visibility: visible; }
.back-to-top:hover { transform: translateY(-3px); }

/* ---- UTILITIES ---- */
.text-gradient {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.bg-light-custom { background: var(--light-bg); }
.border-top-gradient { border-top: 3px solid var(--c3); }

/* ---- RESPONSIVE ---- */
@media (max-width: 991px) {
    .hero { padding-top: 130px; min-height: auto; padding-bottom: 60px; }
    .hero-visual { margin-top: 40px; }
    .hero-stats { gap: 30px; }
    .page-header { padding-top: 130px; }
    .navbar-collapse { background: rgba(10,22,40,0.98); padding: 20px; border-radius: var(--radius-md); margin-top: 10px; }
}
@media (max-width: 767px) {
    .hero-stats { flex-direction: column; gap: 20px; }
    .hero-buttons { flex-direction: column; }
    .hero-buttons .btn { width: 100%; justify-content: center; }
    .section-padding { padding: 60px 0; }
    .footer-cta .btn { width: 100%; margin-bottom: 10px; }
    .footer-cta .text-lg-end { text-align: left !important; }
}

/* ---- LOJA MERCADO LIVRE ---- */
.ml-iframe-container {
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    border: 1px solid rgba(10,99,115,0.08);
    background: var(--white);
    min-height: 600px;
}

/* ---- SERVIÇO DETALHE ---- */
.service-detail-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--white);
    margin-bottom: 20px;
}
.feature-list { list-style: none; padding: 0; }
.feature-list li {
    padding: 10px 0;
    border-bottom: 1px solid rgba(10,99,115,0.06);
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 0.92rem;
}
.feature-list li i { color: var(--c3); margin-top: 3px; flex-shrink: 0; }

/* ---- TIMELINE ---- */
.timeline { position: relative; padding-left: 40px; }
.timeline::before {
    content: '';
    position: absolute;
    left: 15px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--c1);
    opacity: 0.3;
}
.timeline-item { position: relative; margin-bottom: 40px; }
.timeline-dot {
    position: absolute;
    left: -33px;
    top: 5px;
    width: 14px;
    height: 14px;
    background: var(--c3);
    border-radius: 50%;
    border: 3px solid var(--white);
    box-shadow: 0 0 0 3px var(--c1);
}
.timeline-item h4 { font-size: 1.05rem; margin-bottom: 6px; color: var(--c5); }
.timeline-item p { color: var(--text-muted); font-size: 0.9rem; }

/* ---- NEWSLETTER ---- */
.newsletter-section {
    background: var(--light-bg);
    padding: 60px 0;
}
.newsletter-form .input-group {
    max-width: 500px;
    margin: 0 auto;
}
.newsletter-form .form-control {
    border: 2px solid rgba(10,99,115,0.1);
    border-radius: var(--radius-xl) 0 0 var(--radius-xl);
    padding: 14px 20px;
}
.newsletter-form .btn {
    border-radius: 0 var(--radius-xl) var(--radius-xl) 0;
    padding: 14px 30px;
}

/* Category filter buttons */
.category-filters { display: flex; gap: 10px; flex-wrap: wrap; justify-content: center; margin-bottom: 40px; }
.btn-filter {
    background: var(--white);
    border: 2px solid rgba(10,99,115,0.1);
    color: var(--text-muted);
    padding: 8px 22px;
    border-radius: var(--radius-xl);
    font-weight: 600;
    font-size: 0.82rem;
    cursor: pointer;
    transition: var(--transition);
}
.btn-filter:hover, .btn-filter.active {
    background: var(--gradient-primary);
    color: var(--white);
    border-color: transparent;
}