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

:root {
    /* Modern Color Palette */
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --secondary: #ec4899;
    --accent: #f59e0b;
    --success: #10b981;
    --dark: #0f172a;
    --dark-800: #1e293b;
    --dark-700: #334155;
    --dark-600: #475569;
    --gray: #64748b;
    --gray-light: #94a3b8;
    --gray-lighter: #cbd5e1;
    --white: #ffffff;
    --bg: #f8fafc;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #ec4899 100%);
    --gradient-secondary: linear-gradient(135deg, #fbbf24 0%, #f97316 100%);
    --gradient-dark: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    
    /* Shadows & Effects */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --shadow-glow: 0 0 20px rgba(99, 102, 241, 0.4);
    
    /* Glass Effect */
    --glass-bg: rgba(255, 255, 255, 0.1);
    --glass-border: rgba(255, 255, 255, 0.2);
    
    /* Transitions */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Inter', system-ui, sans-serif;
    line-height: 1.6;
    color: var(--dark);
    background: var(--bg);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Modern Header with Glassmorphism */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(99, 102, 241, 0.1);
    transition: var(--transition);
}

.header.scrolled {
    background: rgba(255, 255, 255, 0.95);
    box-shadow: var(--shadow-lg);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 0;
    gap: 32px;
}

.logo img {
    height: 50px;
    width: auto;
    transition: var(--transition);
}

.logo:hover img {
    transform: scale(1.05);
}

/* Modern Navigation */
.nav {
    display: flex;
    gap: 8px;
    align-items: center;
}

.nav-link {
    position: relative;
    padding: 10px 20px;
    font-weight: 600;
    font-size: 15px;
    color: var(--dark-700);
    border-radius: 12px;
    transition: var(--transition);
}

.nav-link::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 12px;
    background: var(--gradient-primary);
    opacity: 0;
    transition: var(--transition);
    z-index: -1;
}

.nav-link:hover,
.nav-link.active {
    color: var(--white);
}

.nav-link:hover::before,
.nav-link.active::before {
    opacity: 1;
}

/* Modern Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    border-radius: 16px;
    font-weight: 700;
    font-size: 15px;
    cursor: pointer;
    border: none;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    white-space: nowrap;
}

.btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(45deg, transparent, rgba(255,255,255,0.3), transparent);
    transform: translateX(-100%);
    transition: transform 0.6s;
}

.btn:hover::before {
    transform: translateX(100%);
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--white);
    box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 30px rgba(99, 102, 241, 0.6);
}

.btn-secondary {
    background: var(--gradient-secondary);
    color: var(--white);
}

.btn-secondary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--primary);
    color: var(--primary);
    backdrop-filter: blur(10px);
}

.btn-outline:hover {
    background: var(--primary);
    color: var(--white);
    transform: translateY(-2px);
}

.btn-call {
    background: var(--gradient-primary);
    color: var(--white);
    padding: 12px 24px;
    font-size: 14px;
    box-shadow: var(--shadow-glow);
}

/* Language Switcher - Modern */
.lang-switcher {
    position: relative;
}

.lang-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 10px 16px;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    cursor: pointer;
    font-weight: 700;
    font-size: 14px;
    color: var(--dark);
    transition: var(--transition);
}

.lang-btn:hover {
    background: var(--gradient-primary);
    color: var(--white);
    border-color: transparent;
    box-shadow: var(--shadow-glow);
}

.lang-dropdown {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    min-width: 100px;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    box-shadow: var(--shadow-xl);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: var(--transition);
}

.lang-dropdown.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.lang-option {
    display: block;
    padding: 12px 20px;
    font-weight: 700;
    font-size: 14px;
    color: var(--dark-700);
    transition: var(--transition);
    border-radius: 12px;
}

.lang-option:hover {
    background: var(--primary-light);
    color: var(--white);
}

/* Mobile Menu */
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    border-radius: 12px;
    transition: var(--transition);
}

.mobile-menu-btn:hover {
    background: var(--glass-bg);
}

.mobile-menu-btn span {
    display: block;
    width: 28px;
    height: 3px;
    background: var(--dark);
    border-radius: 2px;
    transition: var(--transition);
}

.mobile-menu-btn.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

.mobile-menu-btn.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-btn.active span:nth-child(3) {
    transform: rotate(-45deg) translate(8px, -8px);
}

/* Hero Section - Ultra Modern */
.hero {
    position: relative;
    min-height: 90vh;
    display: flex;
    align-items: center;
    background: var(--gradient-dark);
    overflow: hidden;
    margin-top: 82px;
}

.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(99, 102, 241, 0.2) 0%, transparent 50%),
        radial-gradient(circle at 80% 50%, rgba(236, 72, 153, 0.2) 0%, transparent 50%);
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: 80px 0;
}

.hero h1 {
    font-size: clamp(40px, 7vw, 80px);
    font-weight: 900;
    margin-bottom: 24px;
    background: linear-gradient(135deg, #ffffff 0%, #cbd5e1 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.1;
    letter-spacing: -2px;
}

.hero p {
    font-size: clamp(18px, 3vw, 24px);
    margin-bottom: 40px;
    color: var(--gray-lighter);
    font-weight: 500;
}

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

/* Slider - Modern */
.slider {
    position: relative;
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    border-radius: 24px;
    overflow: hidden;
    box-shadow: var(--shadow-2xl);
}

.slider-wrapper {
    display: flex;
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.slide {
    min-width: 100%;
    position: relative;
}

.slide img {
    width: 100%;
    height: auto;
    display: block;
}

.slider-controls {
    position: absolute;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 12px;
    z-index: 10;
    padding: 12px 20px;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border-radius: 100px;
    border: 1px solid var(--glass-border);
}

.slider-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    border: none;
    cursor: pointer;
    transition: var(--transition);
}

.slider-dot.active {
    width: 32px;
    border-radius: 100px;
    background: var(--white);
}

.slider-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    z-index: 10;
    color: var(--white);
}

.slider-arrow:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-50%) scale(1.1);
    box-shadow: var(--shadow-glow);
}

.slider-arrow-prev {
    left: 24px;
}

.slider-arrow-next {
    right: 24px;
}

/* Section Headers - Modern */
.section-header {
    text-align: center;
    margin-bottom: 64px;
}

.section-title {
    font-size: clamp(36px, 5vw, 56px);
    font-weight: 900;
    margin-bottom: 16px;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -2px;
}

.section-subtitle {
    font-size: clamp(16px, 2vw, 20px);
    color: var(--gray);
    font-weight: 500;
}

/* Services - Modern Cards */
.services {
    padding: 100px 0;
    background: var(--white);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
}

.service-card {
    position: relative;
    background: var(--white);
    padding: 40px;
    border-radius: 24px;
    border: 2px solid transparent;
    transition: var(--transition);
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 24px;
    padding: 2px;
    background: var(--gradient-primary);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0;
    transition: var(--transition);
}

.service-card:hover::before {
    opacity: 1;
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-2xl);
}

.service-icon {
    width: 72px;
    height: 72px;
    background: var(--gradient-primary);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    color: var(--white);
    box-shadow: var(--shadow-glow);
}

.service-card h3 {
    font-size: 24px;
    font-weight: 800;
    margin-bottom: 12px;
    color: var(--dark);
}

.service-card p {
    color: var(--gray);
    line-height: 1.8;
}

/* Features - Modern Grid */
.features {
    padding: 100px 0;
    background: var(--bg);
    position: relative;
    overflow: hidden;
}

.features::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.1) 0%, transparent 70%);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 40px;
}

.feature-item {
    text-align: center;
    padding: 32px;
    background: var(--white);
    border-radius: 20px;
    transition: var(--transition);
}

.feature-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.feature-icon {
    width: 88px;
    height: 88px;
    background: var(--gradient-secondary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    color: var(--white);
}

.feature-item h3 {
    font-size: 20px;
    font-weight: 800;
    margin-bottom: 12px;
    color: var(--dark);
}

.feature-item p {
    color: var(--gray);
}

/* FAQ - Modern Accordion */
.faq {
    padding: 100px 0;
    background: var(--white);
}

.faq-list {
    max-width: 900px;
    margin: 0 auto;
}

.faq-item {
    background: var(--bg);
    margin-bottom: 16px;
    border-radius: 20px;
    border: 2px solid transparent;
    transition: var(--transition);
    overflow: hidden;
}

.faq-item:hover,
.faq-item.active {
    border-color: var(--primary-light);
    box-shadow: var(--shadow-lg);
}

.faq-question {
    width: 100%;
    padding: 28px 32px;
    background: none;
    border: none;
    text-align: left;
    font-size: 18px;
    font-weight: 700;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 24px;
    color: var(--dark);
    transition: var(--transition);
}

.faq-question:hover {
    color: var(--primary);
}

.faq-icon {
    flex-shrink: 0;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--gradient-primary);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.faq-item.active .faq-icon {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.faq-answer-content {
    padding: 0 32px 28px;
    color: var(--gray);
    line-height: 1.8;
}

.faq-item.active .faq-answer {
    max-height: 1000px;
}

/* CTA Section - Modern */
.cta-section {
    padding: 120px 0;
    background: var(--gradient-dark);
    position: relative;
    overflow: hidden;
    text-align: center;
}

.cta-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(circle at 30% 50%, rgba(99, 102, 241, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 70% 50%, rgba(236, 72, 153, 0.3) 0%, transparent 50%);
}

.cta-section h2 {
    font-size: clamp(36px, 5vw, 56px);
    font-weight: 900;
    margin-bottom: 24px;
    color: var(--white);
    position: relative;
    z-index: 2;
    letter-spacing: -2px;
}

.cta-section p {
    font-size: clamp(18px, 3vw, 24px);
    margin-bottom: 40px;
    color: var(--gray-lighter);
    position: relative;
    z-index: 2;
}

/* About/Contact Pages */
.about-hero,
.contact-hero {
    padding: 140px 0 80px;
    background: var(--gradient-dark);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.about-hero::before,
.contact-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 50% 50%, rgba(99, 102, 241, 0.2) 0%, transparent 70%);
}

.about-content,
.contact-content {
    padding: 100px 0;
}

.about-text {
    max-width: 900px;
    margin: 0 auto;
}

.about-text p {
    font-size: 18px;
    line-height: 1.9;
    color: var(--gray);
    margin-bottom: 28px;
}

/* Why Choose - Modern Grid */
.why-choose {
    padding: 100px 0;
    background: var(--bg);
}

.why-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
    margin-top: 48px;
}

.why-item {
    display: flex;
    align-items: center;
    gap: 20px;
    background: var(--white);
    padding: 28px;
    border-radius: 20px;
    transition: var(--transition);
    border: 2px solid transparent;
}

.why-item:hover {
    border-color: var(--success);
    transform: translateX(8px);
    box-shadow: var(--shadow-lg);
}

.why-icon {
    width: 56px;
    height: 56px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: var(--white);
    box-shadow: var(--shadow-glow);
}

.why-item span {
    font-size: 17px;
    font-weight: 700;
    color: var(--dark);
}

/* Contact Page - Modern Form */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    margin-bottom: 64px;
}

.contact-form {
    background: var(--white);
    padding: 48px;
    border-radius: 24px;
    box-shadow: var(--shadow-xl);
}

.contact-form h3 {
    font-size: 32px;
    font-weight: 800;
    margin-bottom: 32px;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.form-group {
    margin-bottom: 24px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 700;
    color: var(--dark);
    font-size: 15px;
}

.form-control {
    width: 100%;
    padding: 16px 20px;
    border: 2px solid var(--gray-lighter);
    border-radius: 16px;
    font-size: 16px;
    transition: var(--transition);
    font-family: inherit;
    background: var(--bg);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.1);
    background: var(--white);
}

textarea.form-control {
    min-height: 140px;
    resize: vertical;
}

.form-message {
    padding: 16px 20px;
    border-radius: 16px;
    margin-bottom: 24px;
    display: none;
    font-weight: 600;
}

.form-message.success {
    background: rgba(16, 185, 129, 0.1);
    color: #065f46;
    border: 2px solid var(--success);
}

.form-message.error {
    background: rgba(239, 68, 68, 0.1);
    color: #991b1b;
    border: 2px solid #ef4444;
}

.contact-info {
    background: var(--bg);
    padding: 48px;
    border-radius: 24px;
}

.contact-info h3 {
    font-size: 32px;
    font-weight: 800;
    margin-bottom: 32px;
    color: var(--dark);
}

.contact-info-item {
    display: flex;
    gap: 20px;
    margin-bottom: 28px;
}

.contact-info-icon {
    width: 56px;
    height: 56px;
    background: var(--gradient-primary);
    color: var(--white);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    box-shadow: var(--shadow-glow);
}

.contact-info-text h4 {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 4px;
    color: var(--gray);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.contact-info-text p,
.contact-info-text a {
    font-size: 18px;
    font-weight: 700;
    color: var(--dark);
}

.contact-info-text a:hover {
    color: var(--primary);
}

.map-container {
    width: 100%;
    height: 450px;
    border-radius: 24px;
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.map-container iframe {
    width: 100%;
    height: 100%;
    border: none;
}

/* Footer - Modern Dark */
.footer {
    background: var(--gradient-dark);
    color: var(--white);
    padding: 80px 0 32px;
    position: relative;
    overflow: hidden;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--gradient-primary);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 64px;
    margin-bottom: 48px;
}

.footer-logo {
    height: 50px;
    margin-bottom: 24px;
}

.footer-text {
    color: var(--gray-lighter);
    line-height: 1.8;
    margin-bottom: 24px;
}

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

.social-link {
    width: 44px;
    height: 44px;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    color: var(--white);
}

.social-link:hover {
    background: var(--gradient-primary);
    transform: translateY(-4px);
    box-shadow: var(--shadow-glow);
}

.footer-title {
    font-size: 20px;
    font-weight: 800;
    margin-bottom: 24px;
}

.footer-links,
.footer-contact {
    list-style: none;
}

.footer-links li,
.footer-contact li {
    margin-bottom: 12px;
}

.footer-links a,
.footer-contact a,
.footer-contact span {
    color: var(--gray-lighter);
    transition: var(--transition);
    font-size: 15px;
}

.footer-links a:hover,
.footer-contact a:hover {
    color: var(--white);
    padding-left: 8px;
}

.footer-contact li {
    display: flex;
    align-items: center;
    gap: 12px;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 32px;
    text-align: center;
    color: var(--gray-lighter);
}

/* Mobile CTA Bar - Modern */
.mobile-cta-bar {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    box-shadow: 0 -4px 12px rgba(0, 0, 0, 0.1);
    display: none;
    z-index: 999;
    border-top: 2px solid rgba(99, 102, 241, 0.2);
}

.mobile-cta-btn {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 18px;
    font-weight: 700;
    color: var(--white);
    transition: var(--transition);
}

.mobile-cta-call {
    background: var(--gradient-primary);
}

.mobile-cta-whatsapp {
    background: linear-gradient(135deg, #25d366 0%, #128c7e 100%);
}

.mobile-cta-call:active,
.mobile-cta-whatsapp:active {
    transform: scale(0.95);
}

/* WhatsApp Float - Modern */
.whatsapp-float {
    position: fixed;
    right: 28px;
    bottom: 28px;
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, #25d366 0%, #128c7e 100%);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-2xl);
    z-index: 998;
    transition: var(--transition);
    animation: float 3s ease-in-out infinite;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 0 40px rgba(37, 211, 102, 0.6);
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-10px);
    }
}

/* Responsive Design */
@media (max-width: 1024px) {
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 48px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 48px;
    }
}

@media (max-width: 768px) {
    .nav {
        position: fixed;
        top: 82px;
        left: 0;
        right: 0;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 24px;
        box-shadow: var(--shadow-2xl);
        opacity: 0;
        visibility: hidden;
        transform: translateY(-20px);
        transition: var(--transition);
        border-radius: 0 0 24px 24px;
    }
    
    .nav.active {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .btn-call {
        display: none;
    }
    
    .mobile-cta-bar {
        display: flex;
    }
    
    .hero {
        min-height: 70vh;
        margin-top: 82px;
    }
    
    .services-grid,
    .features-grid,
    .why-list {
        grid-template-columns: 1fr;
    }
    
    .whatsapp-float {
        bottom: 90px;
        right: 20px;
        width: 56px;
        height: 56px;
    }
    
    .slider-arrow {
        width: 44px;
        height: 44px;
    }
    
    .contact-form,
    .contact-info {
        padding: 32px;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 36px;
    }
    
    .section-title {
        font-size: 32px;
    }
    
    .service-card,
    .feature-item {
        padding: 28px;
    }
    
    .slider-arrow {
        display: none;
    }
    
    .slider-controls {
        bottom: 20px;
    }
}

/* Loading Animation */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}