:root {
    /* Colors - Fiel ao banner */
    --clr-primary: #00cfd5;      /* Ciano de destaque original */
    --clr-bg-dark: #171717;      /* Fundo da landing page atual */
    --clr-bg-darker: #111111;    /* Fundo suave para seções alternadas */
    --clr-text: #ffffff;
    --clr-text-muted: #a3a3a3;
    
    /* Fonts */
    --font-heading: 'Montserrat', sans-serif;
    --font-body: 'Jost', sans-serif;
    --font-accent: 'Poppins', sans-serif;
}

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

html {
    scroll-behavior: smooth;
    background-color: var(--clr-bg-dark);
    color: var(--clr-text);
    font-family: var(--font-body);
}

body {
    overflow-x: hidden;
}

a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }
ul { list-style: none; }

/* Utilities */
.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
}
.text-center { text-align: center; }
.text-primary { color: var(--clr-primary); }
.mb-4 { margin-bottom: 2.5rem; }
.mt-4 { margin-top: 2.5rem; }
.mt-2 { margin-top: 1rem; }
.w-100 { width: 100%; }
.flex-column { flex-direction: column; }
.relative { position: relative; }
.z-index-2 { position: relative; z-index: 2; }

/* Typography */
h1, h2, h3 { font-family: var(--font-heading); font-weight: 800; line-height: 1.2; }
h1 { font-size: 3.5rem; }
h2 { font-size: 2.8rem; }
h3 { font-size: 1.2rem; }
p { font-size: 1rem; line-height: 1.7; color: var(--clr-text-muted); margin-bottom: 1rem; }
.subtitle { color: var(--clr-text); font-weight: 500; font-size: 0.9rem; letter-spacing: 2px; text-transform: uppercase; margin-bottom: 0.5rem; font-family: var(--font-accent); }

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: 4px;
    font-family: var(--font-accent);
    font-weight: 600;
    font-size: 0.9rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-primary {
    background: linear-gradient(186deg, var(--clr-primary) 0%, #00A6AA 100%);
    color: #000;
    border: none;
}
.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 207, 213, 0.3);
    color: #fff;
}

.btn-outline-light {
    background: transparent;
    border: 1px solid var(--clr-text);
    color: var(--clr-text);
}
.btn-outline-light:hover {
    background: var(--clr-text);
    color: var(--clr-bg-dark);
}

.btn-outline-primary {
    background: transparent;
    border: 1px solid var(--clr-primary);
    color: var(--clr-primary);
}
.btn-outline-primary:hover {
    background: var(--clr-primary);
    color: #000;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 20px 0;
    z-index: 1000;
    background: rgba(23, 23, 23, 0.85);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255,255,255,0.05);
}
.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.logo img { height: 40px; }
.nav-menu ul {
    display: flex;
    gap: 2rem;
}
.nav-menu a {
    font-family: var(--font-heading);
    font-weight: 500;
    font-size: 0.9rem;
    transition: color 0.3s ease;
}
.nav-menu a:hover { color: var(--clr-primary); }
.mobile-toggle { display: none; background: transparent; border: none; cursor: pointer; }
.mobile-toggle span { display: block; width: 25px; height: 2px; background: #fff; margin: 5px 0; transition: 0.3s; }

/* Hero */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(to right, rgba(23, 23, 23, 1) 0%, rgba(23, 23, 23, 0.8) 40%, transparent 100%), url('assets/images/Banner-1.png');
    background-size: cover;
    background-position: center bottom;
    background-repeat: no-repeat;
    position: relative;
    padding-top: 80px;
}
.hero-content {
    max-width: 600px;
}
.hero p { font-size: 1.25rem; color: var(--clr-text-muted); margin-bottom: 2rem; }
.hero-buttons { display: flex; gap: 1rem; justify-content: flex-start; }

/* Particles */
.particles-bg { position: absolute; width: 100%; height: 100%; top: 0; left: 0; z-index: 1; }

/* Sobre Mim */
.sobre { padding: 100px 0; background: var(--clr-bg-darker); overflow: hidden; }
.about-grid { display: grid; grid-template-columns: 1.2fr 1fr; gap: 4rem; align-items: center; }
.about-image { display: flex; justify-content: center; }
.about-image img { 
    border-radius: 50%; 
    width: 100%; 
    max-width: 380px; 
    aspect-ratio: 1 / 1; 
    object-fit: cover; 
}
.skills-highlight { display: flex; gap: 2rem; justify-content: flex-start; flex-wrap: wrap; }
.skill-item { display: flex; align-items: center; gap: 10px; font-family: var(--font-heading); font-size: 0.85rem; font-weight: 500; }
.skill-icon { width: 50px; height: 50px; border: 1px solid var(--clr-primary); border-radius: 8px; display: flex; align-items: center; justify-content: center; }

/* Soluções (Serviços) */
.solucoes { padding: 100px 0; background: var(--clr-bg-dark); }
.section-desc { max-width: 600px; margin: 0 auto; margin-bottom: 3rem; }
.services-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 2rem; }
.service-card {
    border: 1px solid var(--clr-primary);
    border-radius: 8px;
    padding: 2.5rem 1.5rem;
    transition: all 0.3s ease;
}
.service-card:hover { background: rgba(0, 207, 213, 0.05); transform: translateY(-5px); }
.service-number { font-family: var(--font-heading); font-size: 2rem; font-weight: 900; color: var(--clr-primary); margin-bottom: 1rem; }
.service-card h3 { color: var(--clr-text); font-family: var(--font-heading); font-size: 1.2rem; margin-bottom: 1rem; }
.service-card p { font-size: 0.95rem; margin: 0; color: var(--clr-text-muted); }

/* Projetos */
.projetos { padding: 100px 0; background: var(--clr-bg-darker); }
.projects-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; align-items: stretch;}
.project-item { display: block; border-radius: 12px; overflow: hidden; height: 100%; }
.project-item img { width: 100%; height: 100%; object-fit: cover; transition: 0.5s ease; border-radius: 12px; }
.project-item:hover img { transform: scale(1.05); }

/* Contato */
.contato { padding: 100px 0; background: var(--clr-bg-dark); }
.contact-container { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: center; }
.contact-form {
    background: transparent;
    padding: 0;
    border: none;
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form-group { margin-bottom: 1.5rem; text-align: left; }
.form-group label { display: block; font-size: 0.9rem; color: var(--clr-text-muted); margin-bottom: 0.5rem; font-family: var(--font-accent); }
.form-group input, .form-group textarea {
    width: 100%;
    background: #1a1a1a;
    border: 1px solid #333;
    padding: 12px 15px;
    border-radius: 4px;
    color: #fff;
    font-family: var(--font-body);
}
.form-group input:focus, .form-group textarea:focus { outline: none; border-color: var(--clr-primary); }

/* Footer */
.footer { padding: 40px 0; background: linear-gradient(180deg, #171717 100%, #121212 64%); border-top: 1px solid #222; }
.footer-container { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 2rem; }
.footer-logo img { height: 30px; }
.footer-social { display: flex; gap: 1.5rem; align-items: center;}
.social-link { display: flex; align-items: center; gap: 0.5rem; font-family: var(--font-accent); font-size: 0.85rem; color: var(--clr-text); transition: color 0.3s; }
.social-link:hover { color: var(--clr-primary); }

/* Animations & Responsive */
.fade-up { opacity: 0; transform: translateY(30px); transition: all 0.8s ease; }
.fade-up.visible { opacity: 1; transform: translateY(0); }
.fade-left { opacity: 0; transform: translateX(-30px); transition: all 0.8s ease; }
.fade-left.visible { opacity: 1; transform: translateX(0); }
.fade-right { opacity: 0; transform: translateX(30px); transition: all 0.8s ease; }
.fade-right.visible { opacity: 1; transform: translateX(0); }

.delay-1 { transition-delay: 0.2s; }
.delay-2 { transition-delay: 0.4s; }
.delay-3 { transition-delay: 0.6s; }

@media (max-width: 992px) {
    h1 { font-size: 2.5rem; }
    h2 { font-size: 2rem; }
    .about-grid, .contact-container { grid-template-columns: 1fr; gap: 3rem; }
    .projects-grid { grid-template-columns: 1fr; gap: 2rem; }
    .hero-content {
        max-width: 100%;
        margin: 0 auto;
        text-align: center;
    }
    .hero-buttons { justify-content: center; }
    .hero {
        align-items: flex-start;
        padding-top: 18vh;
        background: linear-gradient(180deg, rgba(23,23,23,0.95) 0%, rgba(23,23,23,0.5) 45%, transparent 100%), url('assets/images/Banner-mobile.png');
        background-size: cover;
        background-position: center bottom;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background: var(--clr-bg-dark);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        transition: 0.3s ease;
    }
    .nav-menu.active { left: 0; }
    .nav-menu ul { flex-direction: column; align-items: center; gap: 2rem; }
    .mobile-toggle { display: block; }
    .d-none-mobile { display: none !important; }
    .form-row { grid-template-columns: 1fr; gap: 0; }
    .footer-container { flex-direction: column; text-align: center; }
    .footer-social { flex-wrap: wrap; justify-content: center;}
}