:root {
    /* Color Palette */
    --clr-dark: #000000; /* Fundo principal escuro */
    --clr-dark-alt: #303136; /* Fundo secundário */
    --clr-light: #F4F4F4; /* Texto claro */
    --clr-copper: #B1623E; /* Tom de cobre metálico do logo */
    --clr-copper-light: #C7754F; /* Cobre claro (brilho) para hover */
    --clr-copper-dark: #8F4C30; /* Cobre escuro para profundidade */
    
    /* Typography */
    --font-heading: 'Montserrat', sans-serif;
    --font-body: 'Inter', sans-serif;

    /* Transitions */
    --transition-speed: 0.3s;
    --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
}

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

body {
    font-family: var(--font-body);
    background-color: var(--clr-dark);
    color: var(--clr-light);
    overflow: hidden; /* Prevent native scroll */
    width: 100vw;
    height: 100vh;
}

/* Typography */
h1, h2, h3 {
    font-family: var(--font-heading);
    font-weight: 800;
}

.highlight {
    color: var(--clr-copper);
}

/* Logo Styles */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 2rem 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 100;
    background: linear-gradient(to bottom, rgba(0, 0, 0, 0.6) 0%, rgba(0, 0, 0, 0) 100%);
}

.logo-container {
    display: flex;
    align-items: center;
    cursor: pointer;
    position: relative;
}

/* Efeito de brilho atrás do logo removido para manter o visual institucional */

.logo-img {
    height: 70px; /* Adjust height as needed for the LOMMA logo */
    width: auto;
    object-fit: contain;
    filter: drop-shadow(0 2px 5px rgba(0, 0, 0, 0.5));
    transition: filter 0.4s ease;
}

.logo-container:hover .logo-img {
    filter: drop-shadow(0 4px 10px rgba(0, 0, 0, 0.7));
}

/* Nav */
.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-btn {
    background: none;
    border: none;
    color: #fff;
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: color 0.3s ease;
}

.nav-btn:hover {
    color: var(--clr-copper);
}

.nav-btn.active {
    color: var(--clr-copper);
    border-bottom: 2px solid var(--clr-copper);
}

/* Folds Container */
.folds-container {
    position: relative;
    width: 100vw;
    height: 100vh;
}

/* Individual Fold */
.fold {
    position: absolute;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-speed) var(--ease-out-expo), 
                transform var(--transition-speed) var(--ease-out-expo);
    transform: translateY(50px) scale(0.95);
    display: flex;
    align-items: flex-start; /* Respeita o padding-top em todas as resoluções */
    justify-content: center;
    padding: 160px 10% 40px 10%; /* Espaço de segurança para a navbar */
    z-index: 1;
    overflow-y: auto; /* Permite scroll se a tela for pequena demais */
}

.fold.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
    z-index: 10;
}

/* Global Background Image */
.global-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-image: linear-gradient(rgba(0, 0, 0, 0.75), rgba(0, 0, 0, 0.85)), url('assets/bg-tomatoes.png');
    background-size: cover;
    background-position: center;
    z-index: -10;
    transform: scale(1.05);
    animation: slowZoom 20s infinite alternate;
}

@keyframes slowZoom {
    0% { transform: scale(1.05); }
    100% { transform: scale(1.15); }
}

/* Layouts */
.fold-content {
    width: 100%;
    max-width: 1200px;
    margin-top: auto;
    margin-bottom: auto; /* Centraliza verticalmente sem furar o teto do padding */
}

.center-align {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

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

/* Typography inside folds */
.hero-title {
    font-size: 5rem;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    text-transform: uppercase;
}

.hero-subtitle {
    font-size: 1.5rem;
    font-weight: 300;
    margin-bottom: 3rem;
    max-width: 600px;
    color: #ccc;
}

.section-title {
    font-size: 3.5rem;
    margin-bottom: 2rem;
    text-transform: uppercase;
}

.text-side p {
    font-size: 1.2rem;
    line-height: 1.8;
    margin-bottom: 1.5rem;
    color: #bbb;
}

/* Buttons */
.controls {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
}

.center-controls {
    justify-content: center;
}

.btn-primary, .btn-secondary, .form-btn {
    padding: 1rem 2.5rem;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    border-radius: 4px;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-primary {
    background-color: var(--clr-copper);
    color: #fff;
    box-shadow: 0 4px 10px rgba(177, 98, 62, 0.2);
}

.btn-primary:hover {
    background-color: var(--clr-copper-light);
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(177, 98, 62, 0.4);
}

.btn-secondary {
    background-color: transparent;
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.btn-secondary:hover {
    background-color: rgba(255, 255, 255, 0.1);
    border-color: #fff;
}

/* Glassmorphism Panels */
.glass-panel {
    background: rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 16px;
    padding: 3rem;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

/* Icon Grid (About Section) */
.icon-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.icon-box {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 1rem;
}

.icon-box i {
    font-size: 2.5rem;
    color: var(--clr-copper);
}

.icon-box span {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1.1rem;
}

/* Cards (Solutions Section) */
.cards-container {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    width: 100%;
    margin-bottom: 3rem;
}

.solution-card {
    background: var(--clr-dark-alt);
    padding: 3rem 2rem;
    border-radius: 12px;
    border-top: 4px solid var(--clr-copper);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.solution-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

.card-icon {
    font-size: 3rem;
    color: var(--clr-copper);
    margin-bottom: 1.5rem;
}

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

.solution-card p {
    color: #aaa;
    line-height: 1.6;
}

/* Contact Info & Form */
.contact-info p {
    font-size: 1.2rem;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.contact-info i {
    color: var(--clr-copper);
    font-size: 1.5rem;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.contact-form input, .contact-form textarea {
    width: 100%;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 4px;
    color: #fff;
    font-family: var(--font-body);
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.contact-form input:focus, .contact-form textarea:focus {
    outline: none;
    border-color: var(--clr-copper);
}

.form-btn {
    width: 100%;
    justify-content: center;
}

/* Progress Indicator */
.progress-indicator {
    position: fixed;
    right: 30px;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    z-index: 100;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    cursor: pointer;
    transition: all 0.3s ease;
}

.dot.active {
    background: var(--clr-copper);
    transform: scale(1.5);
    box-shadow: 0 0 10px var(--clr-copper);
}

.dot:hover {
    background: rgba(255, 255, 255, 0.8);
}

/* Responsive */
@media (max-width: 1024px) {
    .split-layout {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .hero-title {
        font-size: 4rem;
    }
    
    .cards-container {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .header {
        flex-direction: column;
        gap: 1rem;
        background: linear-gradient(to bottom, rgba(0, 0, 0, 0.95) 0%, rgba(0, 0, 0, 0.8) 60%, transparent 100%);
        padding: 1rem 5% 2rem 5%;
    }
    
    .nav-links {
        width: 100%;
        display: flex;
        justify-content: center;
        gap: 0.8rem;
        flex-wrap: wrap;
    }
    
    .nav-btn {
        font-size: 0.85rem;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .section-title {
        font-size: 2rem;
        margin-bottom: 1rem;
    }

    .text-side p {
        font-size: 0.95rem;
        margin-bottom: 1rem;
    }
    
    .cards-container {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .solution-card {
        padding: 1.5rem;
    }
    
    .progress-indicator {
        display: none;
    }
    
    .fold {
        padding: 190px 5% 40px 5%; /* Mais espaço na versão mobile porque a nav empilha e fica mais alta */
        align-items: flex-start;
    }

    .glass-panel {
        padding: 1.5rem;
    }
    
    .split-layout {
        gap: 1.5rem;
    }
}