:root {
    --primary: #10b981;
    --primary-hover: #059669;
    --dark: #111827;
    --dark-lighter: #1f2937;
    --light: #f9fafb;
    --gray: #6b7280;
    --white: #ffffff;
    --accent: #34d399;
    --glass: rgba(255, 255, 255, 0.8);
    --shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --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(--dark);
    background-color: var(--white);
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3 {
    font-family: 'Outfit', sans-serif;
    font-weight: 700;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 1.5rem 0;
    transition: var(--transition);
}

.header.scrolled {
    background: var(--glass);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow);
    padding: 0.75rem 0;
}

.header nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: 800;
    font-family: 'Outfit', sans-serif;
    color: var(--white); /* White by default on hero */
    text-decoration: none;
    text-shadow: 0 2px 4px rgba(0,0,0,0.3);
}

.header.scrolled .logo {
    color: var(--dark);
    text-shadow: none;
}

.logo-img {
    height: 60px;
    width: auto;
    transition: var(--transition);
    filter: brightness(0) invert(1); /* White on hero */
}

.header.scrolled .logo-img {
    filter: none; /* Original on scroll */
}

.footer-logo {
    filter: brightness(0) invert(1); /* White in dark footer */
    height: 50px;
    margin-bottom: 1rem;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-links a {
    text-decoration: none;
    color: var(--white); /* White by default on hero */
    font-weight: 600;
    transition: var(--transition);
    text-shadow: 0 2px 4px rgba(0,0,0,0.3);
}

.header.scrolled .nav-links a {
    color: var(--dark);
    text-shadow: none;
}

.nav-links a:hover {
    color: var(--primary);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: 50px;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
    cursor: pointer;
    text-align: center;
    border: none;
}

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

.btn-primary:hover {
    background-color: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 10px 15px -3px rgba(16, 185, 129, 0.3);
}

.btn-outline {
    background-color: transparent;
    border: 2px solid var(--white);
    color: var(--white);
}

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

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1.1rem;
}

.btn-full {
    width: 100%;
    margin-top: 1.5rem;
}

/* Hero Section */
.hero {
    position: relative;
    height: 100vh;
    min-height: 700px;
    display: flex;
    align-items: center;
    background: url('hero-bg.png') no-repeat center center/cover;
    color: var(--white);
    padding-top: 80px;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to right, rgba(0,0,0,0.7) 30%, rgba(0,0,0,0.3) 100%);
}

.hero-content {
    position: relative;
    z-index: 10;
    max-width: 800px;
}

.hero h1 {
    font-size: 4rem;
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

.text-gradient {
    background: linear-gradient(90deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero p {
    font-size: 1.25rem;
    margin-bottom: 2.5rem;
    opacity: 0.9;
    max-width: 600px;
}

.hero-btns {
    display: flex;
    gap: 1rem;
}

/* Sections */
section {
    padding: 6rem 0;
}

.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 1rem;
}

.section-subtitle {
    text-align: center;
    color: var(--gray);
    margin-bottom: 4rem;
    font-size: 1.1rem;
}

/* How It Works */
.steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.step-card {
    background: var(--white);
    padding: 3rem 2rem;
    border-radius: 20px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.step-card:hover {
    transform: translateY(-10px);
}

.step-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
}

.step-card h3 {
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

/* Pricing */
.pricing {
    background-color: var(--light);
}

.pricing-grid {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.pricing-card {
    background: var(--white);
    padding: 3rem 2rem;
    border-radius: 24px;
    width: 100%;
    max-width: 380px;
    box-shadow: var(--shadow);
    position: relative;
    display: flex;
    flex-direction: column;
}

.pricing-card.featured {
    border: 2px solid var(--primary);
    transform: scale(1.05);
    z-index: 10;
}

.badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary);
    color: var(--white);
    padding: 0.5rem 1rem;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
}

.price {
    font-size: 3rem;
    font-weight: 800;
    margin: 1rem 0;
    font-family: 'Outfit', sans-serif;
}

.price span {
    font-size: 1rem;
    color: var(--gray);
    font-weight: 400;
}

.features {
    list-style: none;
    margin: 2rem 0;
    flex-grow: 1;
}

.features li {
    padding: 0.75rem 0;
    border-bottom: 1px solid #eee;
    display: flex;
    align-items: center;
}

.features li::before {
    content: '✓';
    color: var(--primary);
    margin-right: 0.75rem;
    font-weight: 900;
}

.card-note {
    font-size: 0.85rem;
    color: var(--gray);
    margin-top: 1rem;
    text-align: center;
}

/* Service Areas */
.areas-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.75rem;
    margin-top: 2rem;
}

.area-tag {
    background: var(--dark-lighter);
    color: var(--white);
    padding: 0.5rem 1.25rem;
    border-radius: 50px;
    font-size: 0.95rem;
    transition: var(--transition);
}

.area-tag:hover {
    background: var(--primary);
}

/* FAQ */
.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: var(--white);
    margin-bottom: 1rem;
    border-radius: 12px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    overflow: hidden;
}

.faq-question {
    width: 100%;
    padding: 1.5rem;
    text-align: left;
    background: none;
    border: none;
    font-size: 1.1rem;
    font-weight: 600;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    font-family: 'Inter', sans-serif;
}

.faq-answer {
    padding: 0 1.5rem 1.5rem;
    display: none;
    color: var(--gray);
}

.faq-item.active .faq-answer {
    display: block;
}

.faq-item.active .icon {
    transform: rotate(45deg);
}

.icon {
    transition: var(--transition);
    font-size: 1.5rem;
    color: var(--primary);
}

/* Footer */
.footer {
    background: var(--dark);
    color: var(--white);
    padding: 4rem 0 2rem;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 3rem;
    flex-wrap: wrap;
    gap: 2rem;
}

.footer-brand .logo {
    color: var(--white);
    margin-bottom: 1rem;
}

.footer-links {
    display: flex;
    gap: 2rem;
}

.footer-links a {
    color: #9ca3af;
    text-decoration: none;
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--white);
}

.footer-contact h4 {
    margin-bottom: 1.5rem;
    font-size: 1.2rem;
    color: var(--white);
}

.footer-contact p {
    margin-bottom: 0.75rem;
}

.footer-contact a {
    color: #9ca3af;
    text-decoration: none;
    transition: var(--transition);
}

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

.footer-bottom {
    border-top: 1px solid #374151;
    padding-top: 2rem;
    text-align: center;
    color: #9ca3af;
    font-size: 0.9rem;
}

/* Sticky WhatsApp */
.whatsapp-sticky {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    background: #25d366;
    color: var(--white);
    padding: 0.75rem 1.5rem;
    border-radius: 50px;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    font-weight: 700;
    box-shadow: 0 10px 25px rgba(37, 211, 102, 0.4);
    z-index: 999;
    transition: var(--transition);
}

.whatsapp-sticky img {
    width: 24px;
    height: 24px;
    filter: brightness(0) invert(1);
}

.whatsapp-sticky:hover {
    transform: scale(1.05) translateY(-5px);
}

/* Animations */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease-out;
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

.delay-1 { transition-delay: 0.2s; }
.delay-2 { transition-delay: 0.4s; }

/* Mobile Responsiveness */
.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--white);
    font-size: 2rem;
    cursor: pointer;
}

.header.scrolled .mobile-menu-btn {
    color: var(--dark);
}

@media (max-width: 768px) {
    .mobile-menu-btn {
        display: block;
    }

    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        height: 100vh;
        background: var(--white);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        transition: 0.3s ease-in-out;
        box-shadow: -10px 0 30px rgba(0,0,0,0.1);
        z-index: 1001;
    }

    .nav-links.active {
        right: 0;
    }

    .nav-links a {
        color: var(--dark) !important;
        text-shadow: none !important;
        font-size: 1.5rem;
    }

    .nav-cta {
        display: none;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .hero p {
        font-size: 1.1rem;
    }
    
    .pricing-card.featured {
        transform: scale(1);
    }
    
    .hero-btns {
        flex-direction: column;
    }
    
    .whatsapp-sticky span {
        display: none;
    }
    
    .whatsapp-sticky {
        padding: 1rem;
        border-radius: 50%;
    }
}