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

:root {
    --primary: #4A7C72;
    --primary-dark: #386159;
    --primary-light: #7BA59A;
    --accent: #C4956A;
    --accent-light: #E8CDB5;
    --bg-cream: #FDF8F4;
    --bg-white: #FFFFFF;
    --bg-soft: #F0F7F6;
    --bg-mint: #E8F4F2;
    --text-dark: #2C3E3D;
    --text-body: #4A5E5D;
    --text-light: #7A8E8D;
    --gold: #BFA26A;
    --gradient-hero: linear-gradient(135deg, #4A7C72 0%, #386159 50%, #2D4A42 100%);
    --shadow-sm: 0 2px 8px rgba(74,124,114,0.08);
    --shadow-md: 0 8px 30px rgba(74,124,114,0.12);
    --shadow-lg: 0 20px 60px rgba(74,124,114,0.15);
    --radius: 16px;
    --radius-sm: 10px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html { scroll-behavior: smooth; }

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

h1, h2, h3, h4 { font-family: 'Playfair Display', serif; color: var(--text-dark); line-height: 1.3; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* ===== NAVBAR ===== */
.navbar {
    position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
    background: rgba(255,255,255,0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(91,123,122,0.08);
    transition: var(--transition);
}
.navbar.scrolled { box-shadow: var(--shadow-sm); }
.navbar .container {
    display: flex; align-items: center; justify-content: space-between;
    height: 72px;
}
.nav-logo {
    font-family: 'Playfair Display', serif;
    font-size: 1.5rem; font-weight: 700;
    color: var(--primary-dark);
    text-decoration: none;
    display: flex; align-items: center; gap: 10px;
}
.nav-logo .logo-icon {
    width: 40px; height: 40px; border-radius: 50%;
    background: var(--bg-mint);
    display: flex; align-items: center; justify-content: center;
    color: white; font-size: 1.1rem;
    overflow: hidden;
}
.nav-logo .logo-icon img {
    width: 32px; height: 32px;
    object-fit: contain;
}
.nav-links { display: flex; align-items: center; gap: 32px; list-style: none; }
.nav-links a {
    text-decoration: none; color: var(--text-body);
    font-size: 0.9rem; font-weight: 500;
    transition: var(--transition); position: relative;
}
.nav-links a::after {
    content: ''; position: absolute; bottom: -4px; left: 0;
    width: 0; height: 2px; background: var(--accent);
    transition: var(--transition);
}
.nav-links a:hover { color: var(--primary-dark); }
.nav-links a:hover::after { width: 100%; }
.nav-cta {
    background: var(--accent); color: white !important;
    padding: 10px 24px; border-radius: 50px;
    font-weight: 600; font-size: 0.85rem;
    transition: var(--transition);
}
.nav-cta::after { display: none !important; }
.nav-cta:hover { background: #b8864f; transform: translateY(-1px); box-shadow: 0 4px 15px rgba(196,149,106,0.4); }

.hamburger {
    display: none; flex-direction: column; gap: 5px;
    background: none; border: none; cursor: pointer; padding: 4px;
}
.hamburger span {
    width: 24px; height: 2px; background: var(--text-dark);
    transition: var(--transition); border-radius: 2px;
}

/* ===== HERO ===== */
.hero {
    min-height: 100vh; display: flex; align-items: center;
    background: var(--gradient-hero);
    position: relative; overflow: hidden; padding-top: 72px;
}
.hero::before {
    content: ''; position: absolute; inset: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Ccircle cx='30' cy='30' r='2'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}
.hero::after {
    content: ''; position: absolute; bottom: -2px; left: 0; right: 0;
    height: 120px;
    background: url("data:image/svg+xml,%3Csvg viewBox='0 0 1440 120' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M0,80 C360,120 720,40 1440,80 L1440,120 L0,120 Z' fill='%23FDF8F4'/%3E%3C/svg%3E") no-repeat bottom center;
    background-size: cover;
}
.hero .container {
    display: grid; grid-template-columns: 1fr 1fr;
    align-items: center; gap: 60px; position: relative; z-index: 1;
}
.hero-content { color: white; }
.hero-badge {
    display: inline-flex; align-items: center; gap: 8px;
    background: rgba(255,255,255,0.12); border: 1px solid rgba(255,255,255,0.2);
    padding: 8px 20px; border-radius: 50px;
    font-size: 0.8rem; font-weight: 500; letter-spacing: 1px;
    text-transform: uppercase; margin-bottom: 24px;
    backdrop-filter: blur(10px);
}
.hero-badge i { color: var(--accent-light); }
.hero h1 {
    font-size: 3.2rem; color: white; margin-bottom: 20px;
    font-weight: 700; line-height: 1.15;
}
.hero h1 span { color: var(--accent-light); display: block; }
.hero-text {
    font-size: 1.1rem; line-height: 1.8; opacity: 0.88;
    margin-bottom: 36px; max-width: 500px;
}
.hero-buttons { display: flex; gap: 16px; flex-wrap: wrap; }
.btn {
    display: inline-flex; align-items: center; gap: 10px;
    padding: 16px 32px; border-radius: 50px;
    font-size: 0.95rem; font-weight: 600;
    text-decoration: none; transition: var(--transition);
    cursor: pointer; border: none;
}
.btn-primary {
    background: var(--accent); color: white;
    box-shadow: 0 4px 20px rgba(196,149,106,0.4);
}
.btn-primary:hover { background: #b8864f; transform: translateY(-2px); box-shadow: 0 8px 30px rgba(196,149,106,0.5); }
.btn-outline {
    background: transparent; color: white;
    border: 2px solid rgba(255,255,255,0.4);
}
.btn-outline:hover { background: rgba(255,255,255,0.1); border-color: rgba(255,255,255,0.7); }

.hero-visual {
    display: flex; justify-content: center; align-items: center;
    position: relative;
}
.hero-card {
    background: rgba(255,255,255,0.1);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255,255,255,0.15);
    border-radius: 24px; padding: 48px 40px;
    text-align: center; color: white;
    max-width: 400px; width: 100%;
}
.hero-card-icon {
    width: 90px; height: 90px; border-radius: 50%;
    background: rgba(255,255,255,0.12);
    display: flex; align-items: center; justify-content: center;
    margin: 0 auto 24px; font-size: 2.5rem;
    border: 2px solid rgba(255,255,255,0.2);
}
.hero-card h3 { color: white; font-size: 1.4rem; margin-bottom: 12px; }
.hero-card p { opacity: 0.8; font-size: 0.95rem; margin-bottom: 28px; }
.hero-stats {
    display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px;
    border-top: 1px solid rgba(255,255,255,0.15); padding-top: 24px;
}
.hero-stat-number { font-family: 'Playfair Display', serif; font-size: 1.6rem; font-weight: 700; color: var(--accent-light); }
.hero-stat-label { font-size: 0.7rem; opacity: 0.7; text-transform: uppercase; letter-spacing: 1px; margin-top: 2px; }

/* ===== TRUST BAR ===== */
.trust-bar {
    padding: 40px 0;
    background: var(--bg-cream);
}
.trust-items {
    display: flex; justify-content: center; align-items: center;
    gap: 48px; flex-wrap: wrap;
}
.trust-item {
    display: flex; align-items: center; gap: 12px;
    color: var(--text-light); font-size: 0.9rem; font-weight: 500;
}
.trust-item i { font-size: 1.3rem; color: var(--primary); }

/* ===== SECTIONS COMMON ===== */
section { padding: 100px 0; }
.section-header { text-align: center; margin-bottom: 64px; }
.section-label {
    display: inline-flex; align-items: center; gap: 8px;
    color: var(--accent); font-size: 0.8rem; font-weight: 600;
    text-transform: uppercase; letter-spacing: 2px; margin-bottom: 16px;
}
.section-label::before, .section-label::after {
    content: ''; width: 30px; height: 1px; background: var(--accent);
}
.section-header h2 { font-size: 2.4rem; margin-bottom: 16px; }
.section-header p { font-size: 1.05rem; color: var(--text-light); max-width: 600px; margin: 0 auto; }

/* ===== ABOUT ===== */
.about { background: var(--bg-white); }
.about-grid {
    display: grid; grid-template-columns: 1fr 1fr;
    gap: 80px; align-items: center;
}
.about-image-wrapper { position: relative; }
.about-image {
    width: 100%; aspect-ratio: 4/5; border-radius: 24px;
    background: linear-gradient(135deg, var(--primary-light) 0%, var(--primary) 100%);
    display: flex; align-items: center; justify-content: center;
    position: relative; overflow: hidden;
}
.about-image img {
    width: 100%; height: 100%; object-fit: cover;
    object-position: center top;
    transition: transform 0.5s ease;
}
.about-image:hover img { transform: scale(1.05); }
.about-floating-card {
    position: absolute; bottom: -20px; right: -20px;
    background: white; padding: 20px 28px; border-radius: var(--radius);
    box-shadow: var(--shadow-md);
    display: flex; align-items: center; gap: 16px;
}
.about-floating-card .afc-icon {
    width: 50px; height: 50px; border-radius: 12px;
    background: linear-gradient(135deg, var(--accent) 0%, #d4a87a 100%);
    display: flex; align-items: center; justify-content: center;
    color: white; font-size: 1.2rem;
}
.about-floating-card .afc-text strong { display: block; color: var(--text-dark); font-size: 1.1rem; }
.about-floating-card .afc-text span { color: var(--text-light); font-size: 0.8rem; }
.about-content h2 { font-size: 2.2rem; margin-bottom: 20px; }
.about-content > p { margin-bottom: 16px; font-size: 1rem; }
.about-features {
    display: grid; grid-template-columns: 1fr 1fr; gap: 16px;
    margin-top: 32px;
}
.about-feature {
    display: flex; align-items: flex-start; gap: 12px;
    padding: 16px; border-radius: var(--radius-sm);
    background: var(--bg-soft); transition: var(--transition);
}
.about-feature:hover { transform: translateY(-2px); box-shadow: var(--shadow-sm); }
.about-feature i { color: var(--accent); font-size: 1.1rem; margin-top: 3px; flex-shrink: 0; }
.about-feature span { font-weight: 500; font-size: 0.9rem; color: var(--text-dark); }

/* ===== SERVICES ===== */
.services { background: var(--bg-cream); }
.services-grid {
    display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 28px;
}
.service-card {
    background: white; border-radius: var(--radius);
    padding: 40px 32px; transition: var(--transition);
    border: 1px solid rgba(91,123,122,0.06);
    position: relative; overflow: hidden;
}
.service-card::before {
    content: ''; position: absolute; top: 0; left: 0; right: 0;
    height: 4px; background: linear-gradient(90deg, var(--primary) 0%, var(--accent) 100%);
    opacity: 0; transition: var(--transition);
}
.service-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.service-card:hover::before { opacity: 1; }
.service-icon {
    width: 60px; height: 60px; border-radius: 16px;
    background: linear-gradient(135deg, rgba(91,123,122,0.08) 0%, rgba(91,123,122,0.15) 100%);
    display: flex; align-items: center; justify-content: center;
    font-size: 1.4rem; color: var(--primary);
    margin-bottom: 24px; transition: var(--transition);
}
.service-card:hover .service-icon { background: var(--gradient-hero); color: white; }
.service-card h3 { font-size: 1.2rem; margin-bottom: 12px; }
.service-card p { font-size: 0.9rem; color: var(--text-light); margin-bottom: 20px; line-height: 1.7; }
.service-tag {
    display: inline-block; padding: 6px 14px;
    background: var(--bg-soft); border-radius: 50px;
    font-size: 0.75rem; font-weight: 600; color: var(--primary-dark);
}

/* ===== PRICING ===== */
.pricing { background: var(--bg-white); }
.pricing-grid {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 28px;
}
.pricing-card {
    background: white; border-radius: var(--radius);
    border: 2px solid rgba(91,123,122,0.08);
    padding: 40px 36px; position: relative;
    transition: var(--transition);
}
.pricing-card:hover { border-color: var(--primary-light); box-shadow: var(--shadow-md); }
.pricing-card.featured {
    background: var(--gradient-hero); color: white;
    border-color: transparent;
    transform: scale(1.03);
}
.pricing-card.featured:hover { transform: scale(1.05); box-shadow: var(--shadow-lg); }
.pricing-card.featured h3, .pricing-card.featured .price,
.pricing-card.featured .price-period, .pricing-card.featured li { color: white; }
.pricing-card.featured .pricing-icon { background: rgba(255,255,255,0.15); color: white; }
.pricing-card.featured .price-badge { background: rgba(255,255,255,0.2); color: white; }
.pricing-card.featured .btn-pricing { background: var(--accent); color: white; }
.pricing-card.featured .btn-pricing:hover { background: #b8864f; }
.pricing-card.featured li::before { color: var(--accent-light); }

.pricing-icon {
    width: 56px; height: 56px; border-radius: 14px;
    background: rgba(91,123,122,0.08);
    display: flex; align-items: center; justify-content: center;
    font-size: 1.3rem; color: var(--primary);
    margin-bottom: 24px;
}
.pricing-card h3 { font-size: 1.25rem; margin-bottom: 8px; color: var(--text-dark); }
.price-badge {
    display: inline-block; padding: 4px 12px;
    background: var(--bg-soft); border-radius: 50px;
    font-size: 0.7rem; font-weight: 600; color: var(--accent);
    text-transform: uppercase; letter-spacing: 1px;
    margin-bottom: 20px;
}
.price {
    font-family: 'Playfair Display', serif; font-size: 2.4rem;
    font-weight: 700; color: var(--text-dark);
}
.price-period { font-size: 0.85rem; color: var(--text-light); font-weight: 400; margin-bottom: 24px; }
.pricing-features { list-style: none; margin-bottom: 32px; }
.pricing-features li {
    padding: 8px 0; font-size: 0.9rem; color: var(--text-body);
    display: flex; align-items: center; gap: 10px;
}
.pricing-features li::before {
    content: '\f058'; font-family: 'Font Awesome 6 Free'; font-weight: 900;
    color: var(--primary); font-size: 0.9rem;
}
.btn-pricing {
    display: block; width: 100%; text-align: center;
    padding: 14px; border-radius: 50px;
    font-weight: 600; font-size: 0.9rem;
    text-decoration: none; transition: var(--transition);
    background: var(--bg-soft); color: var(--primary-dark);
    border: none; cursor: pointer;
}
.btn-pricing:hover { background: var(--primary); color: white; }

/* ===== SPECIALTIES ===== */
.specialties { background: var(--bg-soft); }
.specialties-grid {
    display: grid; grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}
.specialty-card {
    background: white; border-radius: var(--radius);
    padding: 36px 32px; display: flex; align-items: flex-start; gap: 24px;
    transition: var(--transition);
    border: 1px solid rgba(91,123,122,0.06);
}
.specialty-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.specialty-icon {
    width: 56px; height: 56px; border-radius: 14px; flex-shrink: 0;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    display: flex; align-items: center; justify-content: center;
    color: white; font-size: 1.2rem;
}
.specialty-card h3 { font-size: 1.1rem; margin-bottom: 8px; }
.specialty-card p { font-size: 0.88rem; color: var(--text-light); line-height: 1.7; }

/* ===== CORPORATE ===== */
.corporate { background: var(--bg-white); }
.corporate-banner {
    background: var(--gradient-hero); border-radius: 24px;
    padding: 64px; display: grid; grid-template-columns: 1fr 1fr;
    gap: 48px; align-items: center; position: relative; overflow: hidden;
}
.corporate-banner::before {
    content: ''; position: absolute; inset: 0;
    background: url("data:image/svg+xml,%3Csvg width='80' height='80' viewBox='0 0 80 80' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.04'%3E%3Cpath d='M40 0L80 40L40 80L0 40z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}
.corporate-content { position: relative; z-index: 1; color: white; }
.corporate-content h2 { color: white; font-size: 2rem; margin-bottom: 16px; }
.corporate-content p { opacity: 0.85; margin-bottom: 28px; line-height: 1.8; }
.corporate-list { list-style: none; margin-bottom: 32px; }
.corporate-list li {
    padding: 10px 0; font-size: 0.95rem; display: flex; align-items: center; gap: 12px;
    color: rgba(255,255,255,0.9);
}
.corporate-list li i { color: var(--accent-light); font-size: 1rem; }
.corporate-visual {
    position: relative; z-index: 1;
    display: flex; flex-direction: column; gap: 16px;
}
.corp-stat-card {
    background: rgba(255,255,255,0.1); backdrop-filter: blur(15px);
    border: 1px solid rgba(255,255,255,0.15);
    border-radius: var(--radius); padding: 24px 28px;
    display: flex; align-items: center; gap: 20px; color: white;
}
.corp-stat-icon {
    width: 50px; height: 50px; border-radius: 12px;
    background: rgba(255,255,255,0.12);
    display: flex; align-items: center; justify-content: center;
    font-size: 1.2rem; flex-shrink: 0;
}
.corp-stat-card h4 { color: white; font-size: 1rem; margin-bottom: 4px; }
.corp-stat-card p { font-size: 0.8rem; opacity: 0.7; }

/* ===== TESTIMONIALS ===== */
.testimonials { background: var(--bg-cream); }
.testimonials-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.testimonial-card {
    background: white; border-radius: var(--radius);
    padding: 36px 32px; transition: var(--transition);
    border: 1px solid rgba(91,123,122,0.06);
}
.testimonial-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.testimonial-stars { color: var(--gold); font-size: 0.85rem; margin-bottom: 16px; display: flex; gap: 3px; }
.testimonial-card blockquote {
    font-size: 0.95rem; font-style: italic;
    color: var(--text-body); margin-bottom: 24px;
    line-height: 1.8; position: relative; padding-left: 20px;
    border-left: 3px solid var(--accent-light);
}
.testimonial-author { display: flex; align-items: center; gap: 14px; }
.testimonial-avatar {
    width: 48px; height: 48px; border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-light), var(--primary));
    display: flex; align-items: center; justify-content: center;
    color: white; font-weight: 700; font-size: 1rem;
    overflow: hidden;
}
.testimonial-avatar img {
    width: 100%; height: 100%;
    object-fit: cover;
    border-radius: 50%;
}
.testimonial-name { font-weight: 600; color: var(--text-dark); font-size: 0.9rem; }
.testimonial-role { font-size: 0.8rem; color: var(--text-light); }

/* ===== FAQ ===== */
.faq { background: var(--bg-white); }
.faq-grid { max-width: 800px; margin: 0 auto; }
.faq-item {
    border-bottom: 1px solid rgba(91,123,122,0.1);
    overflow: hidden;
}
.faq-question {
    width: 100%; background: none; border: none;
    padding: 24px 0; display: flex; align-items: center;
    justify-content: space-between; cursor: pointer;
    font-family: 'Inter', sans-serif; font-size: 1rem;
    font-weight: 600; color: var(--text-dark); text-align: left;
    transition: var(--transition);
}
.faq-question:hover { color: var(--primary); }
.faq-question i { transition: transform 0.3s ease; color: var(--accent); font-size: 0.9rem; }
.faq-item.active .faq-question i { transform: rotate(180deg); }
.faq-answer {
    max-height: 0; overflow: hidden;
    transition: max-height 0.4s ease, padding 0.3s ease;
}
.faq-item.active .faq-answer { max-height: 300px; }
.faq-answer p { padding-bottom: 24px; color: var(--text-light); font-size: 0.92rem; line-height: 1.8; }

/* ===== CTA ===== */
.cta-section {
    padding: 100px 0; background: var(--gradient-hero);
    position: relative; overflow: hidden;
}
.cta-section::before {
    content: ''; position: absolute; inset: 0;
    background: radial-gradient(circle at 30% 50%, rgba(196,149,106,0.2) 0%, transparent 50%);
}
.cta-content { text-align: center; position: relative; z-index: 1; color: white; }
.cta-content h2 { color: white; font-size: 2.6rem; margin-bottom: 16px; }
.cta-content p { opacity: 0.85; font-size: 1.1rem; margin-bottom: 40px; max-width: 550px; margin-left: auto; margin-right: auto; }
.cta-buttons { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; }
.btn-whatsapp { background: #25D366; color: white; }
.btn-whatsapp:hover { background: #1fbc58; transform: translateY(-2px); box-shadow: 0 8px 25px rgba(37,211,102,0.4); }

/* ===== FOOTER ===== */
.footer {
    background: var(--text-dark); color: rgba(255,255,255,0.7);
    padding: 64px 0 0;
}
.footer-grid {
    display: grid; grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px; padding-bottom: 48px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer h4 { color: white; font-size: 1rem; margin-bottom: 20px; }
.footer-brand p { font-size: 0.88rem; line-height: 1.8; margin-bottom: 20px; }
.footer-social { display: flex; gap: 12px; }
.footer-social a {
    width: 40px; height: 40px; border-radius: 10px;
    background: rgba(255,255,255,0.08);
    display: flex; align-items: center; justify-content: center;
    color: rgba(255,255,255,0.6); transition: var(--transition);
    text-decoration: none;
}
.footer-social a:hover { background: var(--accent); color: white; }
.footer-links { list-style: none; }
.footer-links li { margin-bottom: 12px; }
.footer-links a { color: rgba(255,255,255,0.6); text-decoration: none; font-size: 0.88rem; transition: var(--transition); }
.footer-links a:hover { color: var(--accent-light); }
.footer-contact li {
    display: flex; align-items: flex-start; gap: 10px;
    margin-bottom: 14px; font-size: 0.88rem; list-style: none;
}
.footer-contact i { color: var(--accent); margin-top: 4px; }
.footer-bottom {
    padding: 24px 0; text-align: center;
    font-size: 0.8rem; opacity: 0.5;
}

/* ===== WHATSAPP FLOAT ===== */
.whatsapp-float {
    position: fixed; bottom: 28px; right: 28px; z-index: 999;
    width: 60px; height: 60px; border-radius: 50%;
    background: #25D366; color: white;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.8rem; text-decoration: none;
    box-shadow: 0 6px 20px rgba(37,211,102,0.4);
    transition: var(--transition);
    animation: pulse-wa 2s infinite;
}
.whatsapp-float:hover { transform: scale(1.1); box-shadow: 0 8px 30px rgba(37,211,102,0.6); }
@keyframes pulse-wa {
    0%, 100% { box-shadow: 0 6px 20px rgba(37,211,102,0.4); }
    50% { box-shadow: 0 6px 30px rgba(37,211,102,0.7); }
}

/* ===== SCROLL TO TOP ===== */
.scroll-top {
    position: fixed; bottom: 28px; right: 100px; z-index: 999;
    width: 48px; height: 48px; border-radius: 50%;
    background: var(--primary); color: white;
    display: flex; align-items: center; justify-content: center;
    font-size: 1rem; text-decoration: none;
    box-shadow: var(--shadow-md); transition: var(--transition);
    opacity: 0; pointer-events: none; border: none; cursor: pointer;
}
.scroll-top.visible { opacity: 1; pointer-events: all; }
.scroll-top:hover { background: var(--primary-dark); transform: translateY(-3px); }

/* ===== ANIMATIONS ===== */
.fade-up {
    opacity: 0; transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-up.visible { opacity: 1; transform: translateY(0); }

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
    .hero .container { grid-template-columns: 1fr; text-align: center; }
    .hero h1 { font-size: 2.6rem; }
    .hero-text { margin: 0 auto 36px; }
    .hero-buttons { justify-content: center; }
    .hero-visual { margin-top: 40px; }
    .about-grid { grid-template-columns: 1fr; gap: 40px; }
    .about-image-wrapper { max-width: 400px; margin: 0 auto; }
    .services-grid { grid-template-columns: repeat(2, 1fr); }
    .testimonials-grid { grid-template-columns: repeat(2, 1fr); }
    .corporate-banner { grid-template-columns: 1fr; padding: 48px; }
    .footer-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .nav-links { 
        display: none; position: fixed; top: 72px; left: 0; right: 0;
        background: white; flex-direction: column; padding: 24px;
        gap: 20px; box-shadow: var(--shadow-md);
    }
    .nav-links.active { display: flex; }
    .hamburger { display: flex; }
    .hero { min-height: auto; padding: 120px 0 100px; }
    .hero h1 { font-size: 2.1rem; }
    .hero-card { padding: 36px 28px; }
    .hero-stats { grid-template-columns: repeat(3, 1fr); gap: 8px; }
    .hero-stat-number { font-size: 1.3rem; }
    .section-header h2 { font-size: 1.9rem; }
    .services-grid { grid-template-columns: 1fr; }
    .specialties-grid { grid-template-columns: 1fr; }
    .pricing-grid { grid-template-columns: 1fr; }
    .pricing-card.featured { transform: scale(1); }
    .pricing-card.featured:hover { transform: scale(1.02); }
    .testimonials-grid { grid-template-columns: 1fr; }
    .corporate-banner { padding: 36px 24px; }
    .footer-grid { grid-template-columns: 1fr; }
    .about-features { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
    .hero h1 { font-size: 1.75rem; }
    .hero-buttons { flex-direction: column; align-items: center; }
    .btn { width: 100%; justify-content: center; }
    .cta-content h2 { font-size: 1.8rem; }
    .cta-buttons { flex-direction: column; align-items: center; }
}