/* Design System Tokens */
:root {
    /* Colors */
    --primary-dark: #1C2A33;
    --light-base: #EDE7DD;
    --strategic-green: #5E6F3A;
    --accent-orange: #C4572A;
    --white: #FFFFFF;
    --text-main: #333333;
    --text-light: #777777;

    /* Typography */
    --font-title: 'Poppins', sans-serif;
    --font-body: 'Montserrat', sans-serif;
    --font-accent: 'Nanum Pen Script', cursive;

    /* Transitions */
    --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

/* Reset & Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: var(--font-body);
    background-color: var(--light-base);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-title);
    color: var(--primary-dark);
    line-height: 1.2;
}

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

img {
    max-width: 100%;
    height: auto;
    display: block;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.section {
    padding: 8rem 0;
}

.bg-light {
    background-color: #E6E0D5;
}

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

.highlight {
    color: var(--accent-orange);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 1rem 2rem;
    font-family: var(--font-title);
    font-weight: 600;
    border-radius: 4px;
    cursor: pointer;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 0.9rem;
    transition: var(--transition);
    border: 2px solid transparent;
}

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

.btn-primary:hover {
    background-color: #A34823;
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(196, 87, 42, 0.2);
}

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

.btn-secondary:hover {
    background-color: #4A582E;
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(94, 111, 58, 0.2);
}

.btn-outline {
    background-color: transparent;
    border-color: var(--primary-dark);
    color: var(--primary-dark);
}

.btn-outline:hover {
    background-color: var(--primary-dark);
    color: var(--light-base);
}

.btn-large {
    padding: 1.2rem 3rem;
    font-size: 1rem;
}

/* Typography Utilities */
.section-title {
    font-size: 3rem;
    margin-bottom: 1rem;
    position: relative;
    display: inline-block;
}

.section-title span {
    color: var(--accent-orange);
}

.section-desc {
    font-size: 1.2rem;
    color: var(--text-light);
    max-width: 600px;
    margin-bottom: 4rem;
}

.center {
    text-align: center;
}

.center .section-desc {
    margin: 0 auto 4rem auto;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 1.5rem 0;
    z-index: 1000;
    transition: var(--transition);
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(28, 42, 51, 0.1);
}

.header.scrolled {
    padding: 1rem 0;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
}

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

.logo {
    font-family: var(--font-title);
    font-weight: 800;
    font-size: 2rem;
    color: var(--primary-dark);
    letter-spacing: 2px;
}

.logo span {
    color: var(--accent-orange);
}

.nav {
    display: flex;
    gap: 2.5rem;
}

.nav a {
    font-family: var(--font-title);
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--primary-dark);
    text-transform: uppercase;
    letter-spacing: 1px;
    position: relative;
}

.nav a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--accent-orange);
    transition: var(--transition);
}

.nav a:hover::after {
    width: 100%;
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
}

.mobile-menu-btn span {
    width: 30px;
    height: 2px;
    background-color: var(--primary-dark);
    transition: var(--transition);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding-top: 80px;
    overflow: hidden;
    background-color: var(--primary-dark);
    color: var(--white);
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: linear-gradient(to right, rgba(28, 42, 51, 0.9) 0%, rgba(28, 42, 51, 0.4) 100%), url('/Users/ederoliveira/.gemini/antigravity/brain/293293ff-de9b-4f45-9dbb-b5fcee8a3625/hero_cinematic_bg_1776809701402.png');
    background-size: cover;
    background-position: center;
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    margin: 0;
}

.hero-badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    background-color: rgba(94, 111, 58, 0.2);
    border: 1px solid var(--strategic-green);
    color: var(--light-base);
    font-family: var(--font-title);
    text-transform: uppercase;
    font-size: 0.8rem;
    letter-spacing: 2px;
    border-radius: 50px;
    margin-bottom: 2rem;
}

.hero-title {
    font-size: 4.5rem;
    color: var(--white);
    margin-bottom: 1.5rem;
}

.hero-subtitle {
    font-size: 1.3rem;
    color: rgba(255, 255, 255, 0.8);
    max-width: 600px;
    margin-bottom: 3rem;
}

.hero-actions {
    display: flex;
    gap: 1.5rem;
}

/* About Section */
.about-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5rem;
    align-items: center;
}

.about-image-wrapper {
    position: relative;
}

.about-image {
    width: 100%;
    aspect-ratio: 4/5;
    background-image: url('/Users/ederoliveira/.gemini/antigravity/brain/293293ff-de9b-4f45-9dbb-b5fcee8a3625/about_human_1776809758552.png');
    background-size: cover;
    background-position: center;
    border-radius: 8px;
    box-shadow: 20px 20px 0 var(--strategic-green);
}

.about-experience {
    position: absolute;
    bottom: -30px;
    right: -30px;
    background-color: var(--primary-dark);
    color: var(--white);
    padding: 2rem;
    border-radius: 4px;
    display: flex;
    flex-direction: column;
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
}

.about-experience .number {
    font-family: var(--font-title);
    font-size: 2rem;
    font-weight: 800;
    color: var(--accent-orange);
    line-height: 1;
}

.about-experience .text {
    font-family: var(--font-accent);
    font-size: 1.8rem;
    letter-spacing: 1px;
}

.about-content {
    margin-top: 2rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.signature {
    font-family: var(--font-accent);
    font-size: 3rem;
    color: var(--primary-dark);
    margin-top: 3rem;
}

/* Services */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.service-card {
    background-color: var(--light-base);
    padding: 3rem 2rem;
    border-radius: 8px;
    transition: var(--transition);
    border-top: 4px solid transparent;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.05);
    border-top-color: var(--strategic-green);
    background-color: var(--white);
}

.service-icon {
    font-family: var(--font-title);
    font-size: 3rem;
    font-weight: 800;
    color: rgba(28, 42, 51, 0.1);
    margin-bottom: 1.5rem;
    transition: var(--transition);
}

.service-card:hover .service-icon {
    color: var(--accent-orange);
}

.service-card h3 {
    font-size: 1.4rem;
    margin-bottom: 1rem;
}

.service-outcome {
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid rgba(0,0,0,0.05);
    font-size: 0.9rem;
    color: var(--strategic-green);
}

/* Portfolio */
.portfolio-stats {
    display: flex;
    justify-content: center;
    gap: 4rem;
    margin-bottom: 4rem;
    text-align: center;
}

.stat-item {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-family: var(--font-title);
    font-size: 3.5rem;
    font-weight: 800;
    color: var(--primary-dark);
    line-height: 1;
}

.stat-label {
    font-family: var(--font-body);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--text-light);
    margin-top: 0.5rem;
}

.portfolio-filters {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.filter-btn {
    background: none;
    border: none;
    font-family: var(--font-body);
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 2px;
    cursor: pointer;
    padding: 0.5rem 1rem;
    position: relative;
    transition: var(--transition);
}

.filter-btn::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background-color: var(--accent-orange);
    transition: var(--transition);
}

.filter-btn:hover, .filter-btn.active {
    color: var(--primary-dark);
}

.filter-btn.active::after {
    width: 100%;
}

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

.portfolio-item {
    cursor: pointer;
    display: block;
    animation: fadeIn 0.5s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.portfolio-item.hide {
    display: none;
}

.portfolio-thumb {
    aspect-ratio: 16/9;
    border-radius: 8px;
    overflow: hidden;
    position: relative;
    background-size: cover;
    background-position: center;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

#thumb-commercial {
    background-image: url('/Users/ederoliveira/.gemini/antigravity/brain/293293ff-de9b-4f45-9dbb-b5fcee8a3625/portfolio_commercial_1776809715047.png');
}

#thumb-institutional {
    background-image: url('/Users/ederoliveira/.gemini/antigravity/brain/293293ff-de9b-4f45-9dbb-b5fcee8a3625/portfolio_institutional_1776809727290.png');
}

#thumb-social {
    background-image: url('/Users/ederoliveira/.gemini/antigravity/brain/293293ff-de9b-4f45-9dbb-b5fcee8a3625/portfolio_social_1776809742202.png');
}

.portfolio-thumb::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(28, 42, 51, 0.3);
    transition: var(--transition);
}

.play-btn {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 60px;
    height: 60px;
    background-color: var(--accent-orange);
    border-radius: 50%;
    z-index: 2;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: var(--transition);
}

.play-btn::after {
    content: '';
    width: 0;
    height: 0;
    border-style: solid;
    border-width: 10px 0 10px 16px;
    border-color: transparent transparent transparent var(--white);
    margin-left: 5px;
}

.portfolio-item:hover .portfolio-thumb::after {
    background-color: rgba(28, 42, 51, 0.1);
}

.portfolio-item:hover .play-btn {
    transform: translate(-50%, -50%) scale(1.1);
    box-shadow: 0 0 20px rgba(196, 87, 42, 0.6);
}

.portfolio-info {
    padding: 1.5rem 0;
}

.portfolio-category {
    font-family: var(--font-title);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--accent-orange);
    font-weight: 600;
}

.portfolio-title {
    font-size: 1.4rem;
    margin-top: 0.5rem;
}

/* Lightbox */
.lightbox {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(18, 28, 34, 0.95);
    z-index: 9999;
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
    backdrop-filter: blur(5px);
}

.lightbox.active {
    opacity: 1;
    pointer-events: auto;
}

.lightbox-content {
    position: relative;
    width: 90%;
    max-width: 1000px;
}

.lightbox-close {
    position: absolute;
    top: -40px;
    right: 0;
    background: none;
    border: none;
    color: var(--white);
    font-size: 2.5rem;
    cursor: pointer;
    transition: var(--transition);
    line-height: 1;
}

.lightbox-close:hover {
    color: var(--accent-orange);
    transform: scale(1.1);
}

.video-container {
    position: relative;
    padding-bottom: 56.25%; /* 16:9 Aspect Ratio */
    height: 0;
    overflow: hidden;
    background-color: #000;
    border-radius: 8px;
    box-shadow: 0 20px 50px rgba(0,0,0,0.5);
}

.video-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

/* Method */
.method-steps {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    margin-top: 4rem;
    position: relative;
}

.method-step {
    flex: 1;
    text-align: center;
    padding: 0 2rem;
    position: relative;
    z-index: 2;
}

.step-number {
    width: 80px;
    height: 80px;
    background-color: var(--primary-dark);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-family: var(--font-title);
    font-size: 2rem;
    font-weight: 700;
    margin: 0 auto 2rem auto;
    border: 5px solid var(--light-base);
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

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

.step-line {
    flex: 1;
    height: 2px;
    background-color: rgba(28, 42, 51, 0.1);
    margin-top: 40px;
    position: relative;
    z-index: 1;
}

/* CTA Section */
.cta {
    background-color: var(--primary-dark);
    color: var(--white);
    text-align: center;
}

.cta-title {
    color: var(--white);
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
}

.cta-title span {
    color: var(--accent-orange);
}

.cta-desc {
    font-size: 1.3rem;
    color: rgba(255, 255, 255, 0.8);
    max-width: 700px;
    margin: 0 auto 3rem auto;
}

/* Footer */
.footer {
    background-color: #121C22;
    color: var(--white);
    padding: 6rem 0 0 0;
}

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

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

.footer-brand p {
    color: rgba(255, 255, 255, 0.6);
    max-width: 300px;
}

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

.footer-links a, .footer-social a {
    display: block;
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: 0.8rem;
}

.footer-links a:hover, .footer-social a:hover {
    color: var(--accent-orange);
    transform: translateX(5px);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 2rem 0;
    text-align: center;
    color: rgba(255, 255, 255, 0.4);
    font-size: 0.9rem;
}

/* Floating WhatsApp */
.floating-whatsapp {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background-color: #25D366;
    color: #FFF;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 0 4px 15px rgba(0,0,0,0.15);
    z-index: 1000;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.floating-whatsapp svg {
    width: 35px;
    height: 35px;
    fill: currentColor;
}

.floating-whatsapp:hover {
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 8px 25px rgba(37, 211, 102, 0.4);
}

/* Responsive */
@media (max-width: 992px) {
    .hero-title { font-size: 3.5rem; }
    .about-container { grid-template-columns: 1fr; gap: 4rem; }
    .about-image-wrapper { max-width: 500px; margin: 0 auto; }
    .portfolio-grid { grid-template-columns: repeat(2, 1fr); }
    .method-steps { flex-direction: column; align-items: center; gap: 3rem; }
    .step-line { display: none; }
    .footer-container { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
    .nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        height: 100vh;
        background-color: var(--light-base);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        transition: var(--transition);
        box-shadow: -10px 0 30px rgba(0,0,0,0.1);
    }
    .nav.active { right: 0; }
    .header .btn-outline { display: none; }
    .mobile-menu-btn { display: flex; z-index: 1001; }
    
    .hero-title { font-size: 2.8rem; }
    .hero-actions { flex-direction: column; }
    
    .section-title { font-size: 2.5rem; }
    .cta-title { font-size: 2.5rem; }
    
    .portfolio-stats { flex-direction: column; gap: 2rem; }
    .portfolio-grid { grid-template-columns: 1fr; }
    
    .footer-container { grid-template-columns: 1fr; text-align: center; }
    .footer-brand p { margin: 0 auto; }
    
    .floating-whatsapp {
        bottom: 20px;
        right: 20px;
        width: 50px;
        height: 50px;
    }
    .floating-whatsapp svg {
        width: 30px;
        height: 30px;
    }
}

/* Scroll Animations */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s cubic-bezier(0.25, 0.8, 0.25, 1), transform 0.8s cubic-bezier(0.25, 0.8, 0.25, 1);
    will-change: opacity, transform;
}

.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Staggered delays for grid items */
.service-card:nth-child(1), .portfolio-item:nth-child(1), .method-step:nth-child(1) { transition-delay: 0.1s; }
.service-card:nth-child(2), .portfolio-item:nth-child(2), .method-step:nth-child(2) { transition-delay: 0.2s; }
.service-card:nth-child(3), .portfolio-item:nth-child(3), .method-step:nth-child(3) { transition-delay: 0.3s; }
.service-card:nth-child(4), .portfolio-item:nth-child(4) { transition-delay: 0.4s; }
.portfolio-item:nth-child(5) { transition-delay: 0.5s; }
.portfolio-item:nth-child(6) { transition-delay: 0.6s; }