:root {
    /* Color Palette */
    --primary-yellow: #FFCC00;
    --primary-yellow-hover: #E6B800;
    --pure-white: #FFFFFF;
    --ice-gray: #F7F9FC;
    --dark-text: #1A1A1A;
    --gray-text: #4A5568;
    --black-bg: #0A0A0A;
    
    /* Typography */
    --font-primary: 'Inter', sans-serif;
    
    /* Spacing & Layout */
    --container-width: 1200px;
    --section-pad: 5rem 0;
    
    /* Effects */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --shadow-sm: 0 4px 6px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -2px rgba(0, 0, 0, 0.04);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-yellow: 0 10px 25px -5px rgba(255, 204, 0, 0.4);
    --glass-bg: rgba(255, 255, 255, 0.9);
    --glass-border: rgba(255, 255, 255, 0.2);
}

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

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

body {
    font-family: var(--font-primary);
    color: var(--dark-text);
    background-color: var(--pure-white);
    line-height: 1.6;
    overflow-x: hidden;
}

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

ul {
    list-style: none;
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 2rem;
}

.section-padding {
    padding: var(--section-pad);
}

.bg-gray {
    background-color: var(--ice-gray);
}

/* Typography Utilities */
.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--dark-text);
    margin-bottom: 1rem;
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    width: 60px;
    height: 4px;
    background: var(--primary-yellow);
    bottom: -10px;
    left: 0;
    border-radius: 2px;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-header.align-left {
    text-align: left;
}

.section-header.align-left .section-title::after {
    left: 0;
}

.section-header:not(.align-left) .section-title::after {
    left: 50%;
    transform: translateX(-50%);
}

.section-description {
    color: var(--gray-text);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 1.5rem auto 0;
}

.section-header.align-left .section-description {
    margin-left: 0;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-weight: 600;
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition);
    border: none;
}

.btn-primary {
    background-color: var(--primary-yellow);
    color: var(--dark-text);
    padding: 1rem 2rem;
    box-shadow: var(--shadow-yellow);
}

.btn-primary:hover {
    background-color: var(--primary-yellow-hover);
    transform: translateY(-2px);
    box-shadow: 0 15px 30px -5px rgba(255, 204, 0, 0.5);
}

.btn-large {
    font-size: 1.1rem;
    padding: 1.2rem 2.5rem;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--glass-border);
    z-index: 1000;
    transition: var(--transition);
}

.header.scrolled {
    box-shadow: var(--shadow-sm);
    padding: 0.2rem 0;
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo-icon svg {
    display: block;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -0.5px;
}

.text-black { color: var(--dark-text); }
.text-yellow { color: var(--primary-yellow); }
.text-white { color: var(--pure-white); }

.desktop-nav .nav-list {
    display: flex;
    gap: 2rem;
}

.nav-link {
    font-weight: 500;
    color: var(--dark-text);
    font-size: 1rem;
    position: relative;
    padding: 0.5rem 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: 0;
    left: 0;
    background-color: var(--primary-yellow);
    transition: width 0.3s ease;
}

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

.header-action {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.btn-call {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 700;
    color: var(--dark-text);
    font-size: 1.1rem;
    transition: var(--transition);
}

.btn-call i {
    font-size: 1.5rem;
    color: var(--primary-yellow);
}

.btn-call:hover {
    color: var(--primary-yellow);
    transform: scale(1.05);
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 2rem;
    color: var(--dark-text);
    cursor: pointer;
}

/* Mobile Nav */
.mobile-nav {
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: var(--pure-white);
    box-shadow: var(--shadow-md);
    padding: 1rem 0;
    clip-path: polygon(0 0, 100% 0, 100% 0, 0 0);
    transition: clip-path 0.4s ease-in-out;
}

.mobile-nav.open {
    clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%);
}

.mobile-nav-list {
    display: flex;
    flex-direction: column;
}

.mobile-nav-link {
    display: block;
    padding: 1rem 2rem;
    font-weight: 600;
    border-bottom: 1px solid var(--ice-gray);
}

.mobile-nav-link:hover {
    background-color: var(--ice-gray);
    color: var(--primary-yellow);
}

/* Hero Section */
.hero {
    position: relative;
    height: 100vh;
    min-height: 650px;
    display: flex;
    align-items: center;
    background-image: linear-gradient(to right, rgba(0, 0, 0, 0.8) 0%, rgba(0, 0, 0, 0.4) 100%), url('https://images.unsplash.com/photo-1600585154340-be6161a56a0c?ixlib=rb-4.0.3&auto=format&fit=crop&w=1920&q=80');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    padding-top: 80px;
}

.hero-content {
    max-width: 800px;
    color: var(--pure-white);
}

.hero-headline {
    font-size: 4rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

.hero-headline span {
    color: var(--primary-yellow);
}

.hero-subtitle {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 2.5rem;
    max-width: 600px;
}

/* Features Highlights */
.features {
    padding: 4rem 0;
    background-color: var(--pure-white);
    position: relative;
    z-index: 10;
    margin-top: -3rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    background: var(--pure-white);
    border-radius: 12px;
    padding: 2.5rem;
    box-shadow: var(--shadow-lg);
}

.feature-item {
    text-align: center;
}

.feature-icon {
    width: 60px;
    height: 60px;
    background-color: rgba(255, 204, 0, 0.1);
    color: var(--primary-yellow);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    margin: 0 auto 1rem;
    transition: var(--transition);
}

.feature-item:hover .feature-icon {
    background-color: var(--primary-yellow);
    color: var(--dark-text);
    transform: scale(1.1);
}

.feature-item h3 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.feature-item p {
    font-size: 0.95rem;
    color: var(--gray-text);
}

/* Services */
/* About Paulo */
.about-paulo {
    background-color: var(--pure-white);
}

.about-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-image {
    position: relative;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.about-image img {
    width: 100%;
    height: auto;
    display: block;
    transition: var(--transition);
}

.about-image img:hover {
    transform: scale(1.03);
}

.about-subtitle {
    font-size: 1.25rem;
    color: var(--primary-yellow);
    margin-bottom: 1.5rem;
    font-weight: 600;
}

.about-text {
    color: var(--gray-text);
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
}

.about-signature {
    margin-top: 2rem;
    font-family: 'Inter', sans-serif;
    font-size: 1.5rem;
    font-weight: 800;
    border-left: 4px solid var(--primary-yellow);
    padding-left: 1rem;
    display: flex;
    flex-direction: column;
}

.about-signature .text-black {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--gray-text);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.service-card {
    background: var(--pure-white);
    padding: 2.5rem 2rem;
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border: 1px solid rgba(0,0,0,0.03);
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background-color: var(--primary-yellow);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
    z-index: -1;
}

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

.service-card:hover::before {
    transform: scaleX(1);
}

.service-icon-wrapper {
    width: 70px;
    height: 70px;
    background: var(--ice-gray);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    color: var(--dark-text);
    margin-bottom: 1.5rem;
    transition: var(--transition);
}

.service-card:hover .service-icon-wrapper {
    background: var(--primary-yellow);
    color: var(--dark-text);
}

.service-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 1rem;
    line-height: 1.3;
}

.service-desc {
    color: var(--gray-text);
    font-size: 1rem;
}

/* Quote Section */
.quote-section {
    background-color: var(--pure-white);
}

.quote-container {
    display: grid;
    grid-template-columns: 3fr 2fr;
    gap: 4rem;
    align-items: center;
}

.quote-form {
    background: var(--ice-gray);
    padding: 3rem;
    border-radius: 16px;
    box-shadow: var(--shadow-md);
}

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--dark-text);
    font-size: 0.95rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.8rem 1rem;
    border: 1px solid #E2E8F0;
    border-radius: 8px;
    font-family: inherit;
    font-size: 1rem;
    background: var(--pure-white);
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-yellow);
    box-shadow: 0 0 0 3px rgba(255, 204, 0, 0.2);
}

.btn-submit {
    width: 100%;
    font-size: 1.1rem;
    margin-top: 1rem;
}

.privacy-text {
    text-align: center;
    margin-top: 1rem;
    font-size: 0.85rem;
    color: var(--gray-text);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.25rem;
}

.quote-image-area {
    position: relative;
    height: 100%;
    min-height: 400px;
    border-radius: 16px;
    background-image: url('https://images.unsplash.com/photo-1542013936693-884638332954?ixlib=rb-4.0.3&auto=format&fit=crop&w=800&q=80');
    background-size: cover;
    background-position: center;
}

.trust-badge {
    position: absolute;
    bottom: -20px;
    left: -20px;
    background: var(--pure-white);
    padding: 1.5rem;
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: 1rem;
    border-left: 4px solid var(--primary-yellow);
}

.badge-icon {
    font-size: 2.5rem;
    color: var(--primary-yellow);
}

.badge-text strong {
    display: block;
    color: var(--dark-text);
    font-size: 1.1rem;
}

.badge-text span {
    color: var(--gray-text);
    font-size: 0.9rem;
}

/* Footer */
.footer {
    background-color: var(--black-bg);
    color: var(--ice-gray);
    padding-top: 5rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1.5fr;
    gap: 3rem;
    margin-bottom: 4rem;
}

.footer-logo {
    margin-bottom: 1.5rem;
}

.footer-desc {
    color: #A0AEC0;
    margin-bottom: 1.5rem;
    max-width: 300px;
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-icon {
    width: 40px;
    height: 40px;
    background: rgba(255,255,255,0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    font-size: 1.25rem;
    color: var(--pure-white);
}

.social-icon:hover {
    background: var(--primary-yellow);
    color: var(--dark-text);
    transform: translateY(-3px);
}

.footer-heading {
    color: var(--pure-white);
    font-size: 1.25rem;
    margin-bottom: 1.5rem;
}

.contact-list li {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
    color: #A0AEC0;
}

.contact-list i {
    color: var(--primary-yellow);
    font-size: 1.5rem;
}

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

.footer-bottom {
    background-color: rgba(0,0,0,0.5);
    padding: 1.5rem 0;
    text-align: center;
    color: #A0AEC0;
    border-top: 1px solid rgba(255,255,255,0.1);
}

/* Animations / Scroll Reveal */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.5, 0, 0, 1);
}

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

/* Responsive Design */
@media (max-width: 1024px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .about-container {
        grid-template-columns: 1fr;
    }
    
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .quote-container {
        grid-template-columns: 1fr;
    }
    
    .quote-image-area {
        display: none;
    }
}

@media (max-width: 768px) {
    .desktop-nav, .btn-call {
        display: none;
    }
    
    .menu-toggle {
        display: block;
    }
    
    .hero-headline {
        font-size: 2.5rem;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .form-grid {
        grid-template-columns: 1fr;
    }
    
    .features {
        margin-top: 0;
        padding-top: 3rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        box-shadow: none;
        padding: 0;
        gap: 2rem;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
}