/* ============================================
   COLORESCO SAN MARCO - Professional Website
   Updated with Real San Marco Products
   Modern, Sales-Focused, Mobile-First Design
   ============================================ */

:root {
    --primary: #C41E3A;
    --primary-dark: #8B1538;
    --primary-light: #E8A0B0;
    --gold: #D4A017;
    --gold-light: #F5D76E;
    --dark: #0D0D1A;
    --dark-secondary: #1A1A2E;
    --gray: #6C757D;
    --gray-light: #F5F5F7;
    --white: #FFFFFF;
    --whatsapp: #25D366;
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.08);
    --shadow-md: 0 8px 30px rgba(0,0,0,0.12);
    --shadow-lg: 0 20px 60px rgba(0,0,0,0.15);
    --radius: 16px;
    --radius-lg: 24px;
    --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', 'Segoe UI', system-ui, sans-serif;
    line-height: 1.7;
    color: var(--dark);
    background: var(--white);
    overflow-x: hidden;
}

/* ===== HEADER ===== */
.header {
    position: fixed;
    top: 0; left: 0; width: 100%;
    z-index: 1000;
    transition: var(--transition);
    padding: 16px 0;
    background: transparent;
}

.header.scrolled {
    background: rgba(255,255,255,0.98);
    backdrop-filter: blur(20px);
    box-shadow: var(--shadow-sm);
    padding: 10px 0;
}

.header.scrolled .logo-text { color: var(--dark); }
.header.scrolled .nav-link { color: var(--dark); }
.header.scrolled .mobile-toggle span { background: var(--dark); }

.header-inner {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 30px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}

.logo-icon {
    width: 44px; height: 44px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    border-radius: 12px;
    display: flex; align-items: center; justify-content: center;
    color: var(--white);
    font-size: 20px; font-weight: 700;
    box-shadow: 0 4px 15px rgba(196,30,58,0.3);
}

.logo-text {
    font-size: 20px; font-weight: 700;
    color: var(--white);
    letter-spacing: 0.5px;
    transition: var(--transition);
}

.logo-text span { color: var(--gold); font-weight: 400; }

.nav-desktop { display: flex; align-items: center; gap: 32px; }

.nav-link {
    color: var(--white); text-decoration: none;
    font-size: 14px; font-weight: 500;
    position: relative; padding: 5px 0;
    transition: var(--transition);
}

.nav-link::after {
    content: ''; position: absolute; bottom: 0; left: 0;
    width: 0; height: 2px; background: var(--gold);
    transition: var(--transition);
}

.nav-link:hover::after { width: 100%; }

.nav-cta {
    background: linear-gradient(135deg, var(--gold) 0%, #B8860B 100%);
    color: var(--white); padding: 10px 24px;
    border-radius: 50px; text-decoration: none;
    font-weight: 600; font-size: 13px;
    transition: var(--transition);
    box-shadow: 0 4px 15px rgba(212,160,23,0.3);
}

.nav-cta:hover { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(212,160,23,0.4); }

.mobile-toggle {
    display: none; flex-direction: column; gap: 5px;
    background: none; border: none; cursor: pointer;
    z-index: 1001; padding: 5px;
}

.mobile-toggle span {
    display: block; width: 26px; height: 2.5px;
    background: var(--white); border-radius: 3px;
    transition: var(--transition);
}

/* ===== HERO ===== */
.hero {
    min-height: 100vh;
    background: linear-gradient(135deg, var(--dark) 0%, var(--dark-secondary) 50%, #0F3460 100%);
    display: flex; align-items: center;
    position: relative; overflow: hidden;
    padding: 120px 30px 80px;
}

.hero::before {
    content: ''; position: absolute; top: -50%; right: -20%;
    width: 800px; height: 800px;
    background: radial-gradient(circle, rgba(196,30,58,0.12) 0%, transparent 70%);
    border-radius: 50%;
    animation: pulse 8s ease-in-out infinite;
}

@keyframes pulse {
    0%,100% { transform: scale(1); opacity: 0.5; }
    50% { transform: scale(1.2); opacity: 0.8; }
}

.hero-inner {
    max-width: 1400px; margin: 0 auto;
    display: grid; grid-template-columns: 1fr 1fr;
    gap: 60px; align-items: center;
    position: relative; z-index: 1;
}

.hero-content { color: var(--white); }

.hero-badge {
    display: inline-flex; align-items: center; gap: 8px;
    background: rgba(212,160,23,0.15);
    border: 1px solid rgba(212,160,23,0.3);
    padding: 8px 18px; border-radius: 50px;
    font-size: 13px; font-weight: 500; margin-bottom: 24px;
    backdrop-filter: blur(10px);
}

.hero-title {
    font-family: 'Playfair Display', Georgia, serif;
    font-size: 58px; font-weight: 700;
    line-height: 1.1; margin-bottom: 20px;
    letter-spacing: -1px;
}

.hero-title .highlight {
    background: linear-gradient(135deg, var(--primary) 0%, var(--gold) 100%);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-desc {
    font-size: 18px; opacity: 0.85;
    margin-bottom: 32px; max-width: 480px; line-height: 1.8;
}

.hero-stats {
    display: flex; gap: 32px; margin-bottom: 32px;
}

.hero-stat { text-align: center; }
.hero-stat-number { font-size: 32px; font-weight: 700; color: var(--gold); line-height: 1; }
.hero-stat-label { font-size: 12px; opacity: 0.7; margin-top: 4px; }

.hero-cta-group { display: flex; gap: 12px; flex-wrap: wrap; }

.btn {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 14px 32px; border-radius: 50px;
    font-size: 15px; font-weight: 600;
    text-decoration: none; transition: var(--transition);
    border: none; cursor: pointer; position: relative; overflow: hidden;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: var(--white);
    box-shadow: 0 8px 30px rgba(196,30,58,0.4);
}

.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 12px 40px rgba(196,30,58,0.5); }

.btn-whatsapp {
    background: var(--whatsapp); color: var(--white);
    box-shadow: 0 8px 30px rgba(37,211,102,0.3);
}

.btn-whatsapp:hover { transform: translateY(-3px); box-shadow: 0 12px 40px rgba(37,211,102,0.4); }

.hero-visual { position: relative; }

.hero-image-wrapper {
    position: relative; border-radius: var(--radius-lg);
    overflow: hidden; box-shadow: var(--shadow-lg);
    transform: perspective(1000px) rotateY(-5deg);
    transition: var(--transition);
}

.hero-image-wrapper:hover { transform: perspective(1000px) rotateY(0deg); }

.hero-image {
    width: 100%; height: 480px; object-fit: cover; display: block;
}

.hero-image-overlay {
    position: absolute; bottom: 0; left: 0; right: 0;
    padding: 35px;
    background: linear-gradient(transparent, rgba(0,0,0,0.85));
    color: var(--white);
}

.hero-image-title { font-size: 22px; font-weight: 600; margin-bottom: 6px; }
.hero-image-desc { font-size: 13px; opacity: 0.8; }

.floating-card {
    position: absolute; background: var(--white);
    padding: 14px 20px; border-radius: var(--radius);
    box-shadow: var(--shadow-md);
    display: flex; align-items: center; gap: 12px;
    animation: float 6s ease-in-out infinite;
}

.floating-card-1 { top: 15%; right: -25px; animation-delay: 0s; }
.floating-card-2 { bottom: 18%; left: -35px; animation-delay: 3s; }

@keyframes float {
    0%,100% { transform: translateY(0); }
    50% { transform: translateY(-15px); }
}

.floating-icon {
    width: 40px; height: 40px;
    background: linear-gradient(135deg, var(--primary-light) 0%, var(--primary) 100%);
    border-radius: 10px;
    display: flex; align-items: center; justify-content: center;
    font-size: 18px; color: var(--white);
}

.floating-text { font-size: 13px; color: var(--dark); font-weight: 600; }
.floating-text span { display: block; font-size: 11px; color: var(--gray); font-weight: 400; }

/* ===== SECTIONS ===== */
.section { padding: 90px 30px; position: relative; }
.section-inner { max-width: 1400px; margin: 0 auto; }
.section-header { text-align: center; max-width: 650px; margin: 0 auto 50px; }

.section-label {
    display: inline-block;
    background: linear-gradient(135deg, var(--primary-light) 0%, rgba(196,30,58,0.08) 100%);
    color: var(--primary); padding: 6px 18px;
    border-radius: 50px; font-size: 12px; font-weight: 600;
    text-transform: uppercase; letter-spacing: 1px; margin-bottom: 16px;
}

.section-title {
    font-family: 'Playfair Display', Georgia, serif;
    font-size: 42px; font-weight: 700;
    color: var(--dark); margin-bottom: 16px; line-height: 1.2;
}

.section-desc { font-size: 17px; color: var(--gray); line-height: 1.7; }

/* ===== PRODUCTS ===== */
.products-section { background: var(--gray-light); }
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 28px;
}

.product-card {
    background: var(--white); border-radius: var(--radius-lg);
    overflow: hidden; box-shadow: var(--shadow-sm);
    transition: var(--transition); position: relative;
}

.product-card:hover {
    transform: translateY(-10px); box-shadow: var(--shadow-lg);
}

.product-image {
    position: relative; height: 280px; overflow: hidden;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    display: flex; align-items: center; justify-content: center;
}

.product-image img {
    width: 100%; height: 100%; object-fit: contain;
    transition: transform 0.6s ease; padding: 20px;
}

.product-card:hover .product-image img { transform: scale(1.05); }

.product-badge {
    position: absolute; top: 16px; left: 16px;
    background: var(--primary); color: var(--white);
    padding: 5px 14px; border-radius: 50px;
    font-size: 11px; font-weight: 600;
}

.product-content { padding: 28px; }

.product-title {
    font-family: 'Playfair Display', Georgia, serif;
    font-size: 22px; font-weight: 700;
    color: var(--dark); margin-bottom: 8px;
}

.product-subtitle {
    font-size: 13px; color: var(--primary);
    font-weight: 600; text-transform: uppercase;
    letter-spacing: 0.5px; margin-bottom: 12px;
}

.product-desc {
    font-size: 14px; color: var(--gray);
    margin-bottom: 16px; line-height: 1.6;
}

.product-specs {
    display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 20px;
}

.product-spec {
    background: var(--gray-light); padding: 5px 12px;
    border-radius: 50px; font-size: 12px;
    color: var(--dark); font-weight: 500;
}

.product-footer {
    display: flex; justify-content: space-between; align-items: center;
    padding-top: 18px; border-top: 1px solid #eee;
}

.product-price { font-size: 13px; color: var(--gray); }
.product-price strong { font-size: 20px; color: var(--primary); }

.product-btn {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: var(--white); padding: 10px 22px;
    border-radius: 50px; text-decoration: none;
    font-size: 13px; font-weight: 600;
    transition: var(--transition);
}

.product-btn:hover { transform: scale(1.05); box-shadow: 0 6px 20px rgba(196,30,58,0.3); }

/* ===== CALCULATOR ===== */
.calc-section {
    background: linear-gradient(135deg, var(--dark) 0%, var(--dark-secondary) 100%);
    color: var(--white);
}

.calc-section .section-title { color: var(--white); }
.calc-section .section-desc { color: rgba(255,255,255,0.7); }

.calculator {
    max-width: 700px; margin: 0 auto;
    background: rgba(255,255,255,0.05);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: var(--radius-lg); padding: 40px;
}

.calc-row {
    display: grid; grid-template-columns: 1fr 1fr;
    gap: 20px; margin-bottom: 20px;
}

.calc-group { margin-bottom: 16px; }

.calc-group label {
    display: block; margin-bottom: 8px;
    font-size: 14px; font-weight: 500;
    color: rgba(255,255,255,0.9);
}

.calc-group input, .calc-group select {
    width: 100%; padding: 14px 18px;
    border: 2px solid rgba(255,255,255,0.1);
    border-radius: var(--radius);
    background: rgba(255,255,255,0.08);
    color: var(--white); font-size: 15px;
    font-family: inherit; transition: var(--transition);
}

.calc-group input:focus, .calc-group select:focus {
    outline: none; border-color: var(--gold);
    background: rgba(255,255,255,0.12);
}

.calc-group input::placeholder { color: rgba(255,255,255,0.35); }
.calc-group select option { background: var(--dark); color: var(--white); }

.calc-btn {
    width: 100%; padding: 16px;
    background: linear-gradient(135deg, var(--gold) 0%, #B8860B 100%);
    color: var(--white); border: none;
    border-radius: var(--radius); font-size: 16px;
    font-weight: 700; cursor: pointer;
    transition: var(--transition); margin-top: 8px;
}

.calc-btn:hover { transform: translateY(-2px); box-shadow: 0 8px 30px rgba(212,160,23,0.4); }

.calc-result {
    background: linear-gradient(135deg, var(--gold) 0%, #B8860B 100%);
    padding: 30px; border-radius: var(--radius-lg);
    text-align: center; margin-top: 24px;
    display: none; animation: fadeInUp 0.5s ease;
}

.calc-result.show { display: block; }

.calc-result-label { font-size: 15px; opacity: 0.9; margin-bottom: 8px; }
.calc-result-amount { font-size: 42px; font-weight: 700; margin: 8px 0; }
.calc-result-note { font-size: 13px; opacity: 0.85; margin-top: 12px; }

/* ===== LEAD FORM ===== */
.form-section { background: var(--white); }

.form-container {
    max-width: 650px; margin: 0 auto;
    background: var(--white); border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg); overflow: hidden;
    border: 1px solid #f0f0f0;
}

.form-header {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: var(--white); padding: 35px; text-align: center;
}

.form-header h3 { font-size: 26px; font-weight: 700; margin-bottom: 8px; }
.form-header p { opacity: 0.9; font-size: 15px; }

.form-body { padding: 35px; }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-bottom: 18px; }

.form-group { margin-bottom: 18px; }

.form-group label {
    display: block; margin-bottom: 6px;
    font-size: 13px; font-weight: 600; color: var(--dark);
}

.form-group label .required { color: var(--primary); }

.form-group input, .form-group select, .form-group textarea {
    width: 100%; padding: 12px 16px;
    border: 2px solid #E8E8E8; border-radius: var(--radius);
    font-size: 15px; font-family: inherit;
    transition: var(--transition); background: var(--white);
}

.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
    outline: none; border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(196,30,58,0.08);
}

.form-group textarea { resize: vertical; min-height: 100px; }

.form-submit {
    width: 100%; padding: 16px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: var(--white); border: none;
    border-radius: var(--radius); font-size: 16px;
    font-weight: 700; cursor: pointer;
    transition: var(--transition);
    display: flex; align-items: center; justify-content: center; gap: 8px;
}

.form-submit:hover { transform: translateY(-2px); box-shadow: 0 8px 30px rgba(196,30,58,0.4); }

.form-privacy {
    text-align: center; font-size: 12px;
    color: var(--gray); margin-top: 16px;
}

.form-privacy a { color: var(--primary); text-decoration: none; }

/* ===== WHY US ===== */
.why-section { background: var(--gray-light); }

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
}

.feature-box {
    background: var(--white); padding: 35px 28px;
    border-radius: var(--radius-lg); text-align: center;
    transition: var(--transition); box-shadow: var(--shadow-sm);
    border: 1px solid transparent;
}

.feature-box:hover {
    transform: translateY(-8px); box-shadow: var(--shadow-lg);
    border-color: var(--primary-light);
}

.feature-icon-wrap {
    width: 70px; height: 70px;
    background: linear-gradient(135deg, var(--primary-light) 0%, rgba(196,30,58,0.08) 100%);
    border-radius: var(--radius);
    display: flex; align-items: center; justify-content: center;
    margin: 0 auto 20px; font-size: 30px;
    transition: var(--transition);
}

.feature-box:hover .feature-icon-wrap {
    transform: scale(1.1) rotate(5deg);
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
}

.feature-box:hover .feature-icon-wrap { color: var(--white); }

.feature-box h3 { font-size: 20px; font-weight: 700; color: var(--dark); margin-bottom: 12px; }
.feature-box p { font-size: 14px; color: var(--gray); line-height: 1.7; }

/* ===== TESTIMONIALS ===== */
.testimonials-section { background: var(--white); }

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 24px;
}

.testimonial-card {
    background: var(--gray-light); padding: 30px;
    border-radius: var(--radius-lg); position: relative;
    transition: var(--transition);
}

.testimonial-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); }

.testimonial-quote {
    font-family: 'Playfair Display', Georgia, serif;
    font-size: 56px; color: var(--primary);
    opacity: 0.2; line-height: 1; margin-bottom: -15px;
}

.testimonial-text {
    font-size: 15px; color: var(--dark);
    line-height: 1.8; margin-bottom: 20px; font-style: italic;
}

.testimonial-author { display: flex; align-items: center; gap: 14px; }

.testimonial-avatar {
    width: 45px; height: 45px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    color: var(--white); font-weight: 700; font-size: 16px;
}

.testimonial-info h4 { font-size: 15px; font-weight: 700; color: var(--dark); }
.testimonial-info p { font-size: 13px; color: var(--gray); }

/* ===== CTA ===== */
.cta-section {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: var(--white); text-align: center;
    padding: 90px 30px; position: relative; overflow: hidden;
}

.cta-section::before {
    content: ''; position: absolute; top: -50%; left: -50%;
    width: 200%; height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.04) 0%, transparent 50%);
    animation: rotate 20s linear infinite;
}

@keyframes rotate { to { transform: rotate(360deg); } }

.cta-content { position: relative; z-index: 1; max-width: 650px; margin: 0 auto; }

.cta-section h2 {
    font-family: 'Playfair Display', Georgia, serif;
    font-size: 42px; font-weight: 700; margin-bottom: 16px;
}

.cta-section p { font-size: 18px; opacity: 0.9; margin-bottom: 32px; }

.cta-buttons { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* ===== FOOTER ===== */
.footer {
    background: var(--dark); color: var(--white);
    padding: 70px 30px 25px;
}

.footer-inner { max-width: 1400px; margin: 0 auto; }

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 45px; margin-bottom: 50px;
}

.footer-brand { max-width: 280px; }

.footer-brand .logo-text {
    color: var(--white); font-size: 22px;
    margin-bottom: 16px; display: block;
}

.footer-brand p { font-size: 14px; opacity: 0.65; line-height: 1.8; margin-bottom: 20px; }

.footer-social { display: flex; gap: 12px; }

.footer-social a {
    width: 40px; height: 40px;
    background: rgba(255,255,255,0.08);
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    color: var(--white); text-decoration: none; font-size: 16px;
    transition: var(--transition);
}

.footer-social a:hover { background: var(--primary); transform: translateY(-3px); }

.footer-column h4 { font-size: 16px; font-weight: 700; margin-bottom: 20px; color: var(--gold); }

.footer-links { list-style: none; }
.footer-links li { margin-bottom: 10px; }

.footer-links a {
    color: rgba(255,255,255,0.6); text-decoration: none;
    font-size: 14px; transition: var(--transition);
    display: flex; align-items: center; gap: 6px;
}

.footer-links a:hover { color: var(--gold); padding-left: 4px; }

.footer-contact-item {
    display: flex; align-items: flex-start; gap: 10px;
    margin-bottom: 12px; color: rgba(255,255,255,0.6);
    font-size: 14px;
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.08);
    padding-top: 25px;
    display: flex; justify-content: space-between;
    align-items: center; flex-wrap: wrap; gap: 16px;
}

.footer-bottom p { font-size: 13px; opacity: 0.5; }

/* ===== WHATSAPP FLOAT ===== */
.whatsapp-float {
    position: fixed; bottom: 25px; right: 25px;
    width: 56px; height: 56px;
    background: var(--whatsapp); border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    color: var(--white); font-size: 26px;
    text-decoration: none;
    box-shadow: 0 8px 30px rgba(37,211,102,0.4);
    transition: var(--transition); z-index: 999;
    animation: whatsapp-pulse 2s infinite;
}

.whatsapp-float:hover { transform: scale(1.1) rotate(10deg); }

@keyframes whatsapp-pulse {
    0%,100% { box-shadow: 0 8px 30px rgba(37,211,102,0.4); }
    50% { box-shadow: 0 8px 30px rgba(37,211,102,0.6), 0 0 0 12px rgba(37,211,102,0.08); }
}

/* ===== ANIMATIONS ===== */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(40px); }
    to { opacity: 1; transform: translateY(0); }
}

.animate { opacity: 0; }
.animate.visible { animation: fadeInUp 0.8s ease forwards; }
.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }

/* ===== PRODUCT DETAIL ===== */
.product-detail {
    background: var(--gray-light); border-radius: var(--radius);
    padding: 20px; margin-top: 16px;
}

.product-detail h4 {
    font-size: 14px; font-weight: 700;
    color: var(--dark); margin-bottom: 12px;
    display: flex; align-items: center; gap: 6px;
}

.detail-grid {
    display: grid; grid-template-columns: 1fr 1fr;
    gap: 8px;
}

.detail-item {
    display: flex; align-items: center; gap: 6px;
    font-size: 12px; color: var(--gray);
}

.detail-item i { color: var(--primary); font-size: 10px; }

/* ===== CATEGORY TITLE ===== */
.category-title {
    font-family: 'Playfair Display', Georgia, serif;
    font-size: 24px; color: var(--dark);
    margin-bottom: 24px; text-align: center;
    display: flex; align-items: center;
    justify-content: center; gap: 10px;
}

.category-title i { color: var(--primary); }

/* ===== MOBILE MENU ===== */
.mobile-menu {
    position: fixed; top: 0; right: -100%;
    width: 100%; max-width: 380px; height: 100vh;
    background: var(--white); padding: 90px 35px 35px;
    transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 999; box-shadow: var(--shadow-lg);
}

.mobile-menu.active { right: 0; }

.mobile-menu .nav-link {
    display: block; color: var(--dark);
    font-size: 18px; padding: 14px 0;
    border-bottom: 1px solid #eee;
}

.mobile-menu .nav-cta {
    display: block; text-align: center;
    margin-top: 25px; font-size: 16px; padding: 14px;
}

.overlay {
    position: fixed; top: 0; left: 0;
    width: 100%; height: 100%;
    background: rgba(0,0,0,0.5);
    opacity: 0; visibility: hidden;
    transition: var(--transition); z-index: 998;
}

.overlay.active { opacity: 1; visibility: visible; }

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
    .hero-inner { grid-template-columns: 1fr; text-align: center; }
    .hero-content { order: 2; }
    .hero-visual { order: 1; }
    .hero-title { font-size: 44px; }
    .hero-desc { margin-left: auto; margin-right: auto; }
    .hero-stats { justify-content: center; }
    .hero-cta-group { justify-content: center; }
    .floating-card { display: none; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
    .nav-desktop { display: none; }
    .mobile-toggle { display: flex; }
    .hero { padding: 100px 20px 60px; }
    .hero-title { font-size: 34px; }
    .hero-desc { font-size: 16px; }
    .hero-stats { gap: 20px; }
    .hero-stat-number { font-size: 26px; }
    .section { padding: 60px 20px; }
    .section-title { font-size: 30px; }
    .products-grid { grid-template-columns: 1fr; }
    .calc-row, .form-row { grid-template-columns: 1fr; }
    .calculator { padding: 25px 20px; }
    .features-grid { grid-template-columns: 1fr; }
    .testimonials-grid { grid-template-columns: 1fr; }
    .cta-section h2 { font-size: 30px; }
    .footer-grid { grid-template-columns: 1fr; gap: 35px; }
    .footer-bottom { flex-direction: column; text-align: center; }
}

@media (max-width: 480px) {
    .hero-title { font-size: 26px; }
    .btn { padding: 12px 20px; font-size: 14px; width: 100%; justify-content: center; }
    .hero-cta-group { flex-direction: column; }
    .cta-buttons { flex-direction: column; }
    .form-header { padding: 25px 20px; }
    .form-body { padding: 25px 20px; }
}