:root{
    --bg:#050816;
    --bg-secondary:#0b1023;
    --card:#0f172a;
    --card-hover:#111c35;

    --border:rgba(255,255,255,.08);
    --border-strong:rgba(255,255,255,.14);

    --text:#ffffff;
    --text-secondary:#a6adc8;
    --text-muted:#6b7280;

    --primary:#7c3aed;
    --primary-2:#2563eb;
    --cyan:#22d3ee;

    --gradient:linear-gradient(135deg,#8b5cf6 0%, #2563eb 45%, #22d3ee 100%);
    
    --shadow: 0 10px 40px rgba(0,0,0,.45);
    --glow: 0 0 20px rgba(124,58,237,.4);

    --radius:24px;
    --transition:.45s cubic-bezier(.16,1,.3,1);
}

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

html{
    scroll-behavior:smooth;
}

/* Scrollbar Customizada */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: var(--bg);
}
::-webkit-scrollbar-thumb {
    background: #1e293b;
    border-radius: 10px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--primary);
}

body{
    font-family:'Inter',sans-serif;
    background:var(--bg);
    color:var(--text);
    overflow-x:hidden;
    line-height:1.7;
}

/* =========================================================
BACKGROUND
========================================================= */
.bg{
    position:fixed;
    inset:0;
    overflow:hidden;
    z-index:-5;
    background:
    radial-gradient(circle at top left, rgba(124,58,237,.25), transparent 30%),
    radial-gradient(circle at bottom right, rgba(34,211,238,.15), transparent 25%),
    linear-gradient(180deg,#04050d 0%, #050816 100%);
}

.grid{
    position:absolute;
    inset:0;
    background-image:
    linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px);
    background-size:70px 70px;
    mask-image:linear-gradient(to bottom, rgba(0,0,0,1), transparent);
}

.blur{
    position:absolute;
    border-radius:50%;
    filter:blur(120px);
    opacity:.25;
}

.blur1{
    width:450px;
    height:450px;
    background:#7c3aed;
    top:-100px;
    left:-100px;
}

.blur2{
    width:380px;
    height:380px;
    background:#2563eb;
    bottom:-100px;
    right:-80px;
}

/* =========================================================
LAYOUT
========================================================= */
.container{
    width:min(1180px,92%);
    margin:auto;
}

section{
    padding:130px 0;
}

.section-header{
    margin-bottom:70px;
    text-align:center;
}

.section-header span{
    display:inline-block;
    color:var(--cyan);
    font-size:.9rem;
    font-weight:600;
    margin-bottom:15px;
    letter-spacing:2px;
    text-transform:uppercase;
}

.section-header h2{
    font-size:clamp(2rem,4vw,3.5rem);
    line-height:1.1;
    margin-bottom:18px;
    font-weight:900;
    letter-spacing:-2px;
}

.section-header p{
    max-width:700px;
    margin:auto;
    color:var(--text-secondary);
}

/* =========================================================
NAVBAR
========================================================= */
.navbar{
    position:fixed;
    top:22px;
    left:50%;
    transform:translateX(-50%);
    width:min(1180px,92%);
    z-index:1000;

    display:flex;
    justify-content:space-between;
    align-items:center;

    padding:14px 24px;

    background:rgba(10,15,30,.55);
    border:1px solid rgba(255,255,255,.08);

    backdrop-filter:blur(18px);
    border-radius:20px;

    transition:var(--transition);
}

.navbar.scrolled{
    background:rgba(5,8,22,.88);
    border-color:rgba(255,255,255,.12);
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
}

.logo{
    font-size:1.3rem;
    font-weight:800;
    color:#fff;
    text-decoration:none;
    letter-spacing:-1px;
}

.logo span{
    background:var(--gradient);
    -webkit-background-clip:text;
    -webkit-text-fill-color:transparent;
}

.nav-links{
    display:flex;
    gap:10px;
    list-style:none;
}

.nav-links a{
    color:var(--text-secondary);
    text-decoration:none;
    padding:12px 18px;
    border-radius:12px;
    transition:var(--transition);
    font-size:.95rem;
    font-weight:500;
}

.nav-links a:hover{
    background:rgba(255,255,255,.05);
    color:#fff;
}

.nav-btn{
    padding:13px 22px;
    border-radius:14px;
    text-decoration:none;
    font-weight:700;
    color:#fff;
    background:var(--gradient);
    transition:var(--transition);
}

.nav-btn:hover{
    transform:translateY(-2px);
    box-shadow: 0 8px 25px rgba(124,58,237,.4);
}

.menu-toggle {
    display: none;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.08);
    color: #fff;
    width: 44px;
    height: 44px;
    border-radius: 12px;
    cursor: pointer;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    transition: var(--transition);
}

.mobile-only {
    display: none;
}

/* =========================================================
HERO
========================================================= */
.hero{
    min-height:100vh;
    display:flex;
    align-items:center;
    position:relative;
}

.hero-grid{
    display:grid;
    grid-template-columns:1.2fr .8fr;
    gap:60px;
    align-items:center;
}

.badge{
    display:inline-flex;
    align-items:center;
    gap:10px;

    padding:10px 18px;
    border-radius:999px;

    background:rgba(255,255,255,.04);
    border:1px solid rgba(255,255,255,.08);

    margin-bottom:30px;

    font-family:'JetBrains Mono', monospace;
    font-size:.9rem;
}

.badge i{
    color:var(--cyan);
}

.hero h1{
    font-size:clamp(2.2rem, 7vw, 6rem);
    line-height:1.1;
    font-weight:900;
    margin-bottom:25px;
    letter-spacing:-2px;
}

.gradient{
    background:var(--gradient);
    -webkit-background-clip:text;
    -webkit-text-fill-color:transparent;
}

.hero p{
    color:var(--text-secondary);
    font-size:1.1rem;
    max-width:700px;
    margin-bottom:40px;
}

.hero-buttons{
    display:flex;
    gap:18px;
    flex-wrap:wrap;
}

.btn{
    padding:16px 28px;
    border-radius:18px;
    text-decoration:none;
    font-weight:700;
    transition:var(--transition);
}

.btn-primary{
    background:var(--gradient);
    color:#fff;
    box-shadow:0 10px 35px rgba(124,58,237,.3);
}

.btn-primary:hover{
    transform:translateY(-4px);
    box-shadow: 0 15px 40px rgba(124,58,237,.5);
}

.btn-secondary{
    background:rgba(255,255,255,.04);
    border:1px solid rgba(255,255,255,.08);
    color:#fff;
}

.btn-secondary:hover{
    background:rgba(255,255,255,.08);
    transform:translateY(-4px);
}

/* Keyframes para Animação Flutuante */
@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-12px); }
    100% { transform: translateY(0px); }
}

.hero-card{
    background:linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,.02));
    border:1px solid rgba(255,255,255,.08);
    border-radius:32px;
    padding:35px;
    position:relative;
    overflow:hidden;
    box-shadow:var(--shadow);
    animation: float 6s ease-in-out infinite;
}

.hero-card::before{
    content:'';
    position:absolute;
    inset:0;
    background:linear-gradient(135deg, rgba(124,58,237,.12), transparent);
}

.code-header{
    display:flex;
    align-items:center;
    gap:8px;
    margin-bottom:25px;
}

.dot{
    width:12px;
    height:12px;
    border-radius:50%;
}

.red{background:#ff5f57;}
.yellow{background:#febc2e;}
.green{background:#28c840;}

.code{
    font-family:'JetBrains Mono', monospace;
    color:#dbeafe;
    font-size:.95rem;
}

.code .purple{color:#c084fc;}
.code .blue{color:#60a5fa;}
.code .cyan{color:#22d3ee;}
.code .greenText{color:#4ade80;}

/* =========================================================
CARDS
========================================================= */
.grid-cards{
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(280px,1fr));
    gap:28px;
}

.card{
    position:relative;
    overflow:hidden;

    background:linear-gradient(180deg,var(--card), rgba(15,23,42,.75));
    border:1px solid var(--border);

    border-radius:var(--radius);
    padding:35px;

    transition:var(--transition);
}

.card:hover{
    transform:translateY(-10px);
    border-color:rgba(124,58,237,.45);
    background:var(--card-hover);
    box-shadow:var(--shadow), var(--glow);
}

.card::before{
    content:'';
    position:absolute;
    inset:0;
    background:radial-gradient(circle at top right, rgba(124,58,237,.18), transparent 40%);
    opacity:0;
    transition:var(--transition);
}

.card:hover::before{
    opacity:1;
}

.card i{
    font-size:2.5rem;
    margin-bottom:25px;

    background:var(--gradient);
    -webkit-background-clip:text;
    -webkit-text-fill-color:transparent;
}

.card h3{
    font-size:1.4rem;
    margin-bottom:12px;
}

.card p{
    color:var(--text-secondary);
    margin-bottom:24px;
}

.tags{
    display:flex;
    gap:10px;
    flex-wrap:wrap;
}

.tags span{
    padding:8px 14px;
    border-radius:999px;

    background:rgba(255,255,255,.04);
    border:1px solid rgba(255,255,255,.06);

    font-size:.8rem;
    color:#d1d5db;

    font-family:'JetBrains Mono', monospace;
}

/* =========================================================
PROJECTS
========================================================= */
.projects{
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(310px,1fr));
    gap:30px;
}

.project{
    position:relative;
    overflow:hidden;
    border-radius:28px;
    background:linear-gradient(180deg,#0f172a 0%, #0b1220 100%);
    border:1px solid rgba(255,255,255,.08);
    transition:var(--transition);
}

.project:hover{
    transform:translateY(-12px);
    border-color:rgba(34,211,238,.35);
    box-shadow: 0 15px 40px rgba(0,0,0,0.6);
}

.project-image{
    height:220px;
    background:linear-gradient(135deg,#7c3aed,#2563eb);
    position:relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.project-image i {
    font-size: 4rem;
    color: rgba(255,255,255,0.3);
    z-index: 1;
    transition: var(--transition);
}

.project:hover .project-image i {
    transform: scale(1.1);
    color: rgba(255,255,255,0.8);
}

.project-image::after{
    content:'';
    position:absolute;
    inset:0;
    background:linear-gradient(to top, rgba(5,8,22,.9), transparent);
}

.project-content{
    padding:30px;
}

.project-top{
    display:flex;
    justify-content:space-between;
    align-items:center;
    margin-bottom:18px;
}

.project-top i{
    color:var(--cyan);
    font-size:2rem;
}

.project-link{
    width:48px;
    height:48px;
    border-radius:14px;
    display:flex;
    align-items:center;
    justify-content:center;

    background:rgba(255,255,255,.05);

    color:#fff;
    text-decoration:none;

    transition:var(--transition);
}

.project-link:hover{
    background:var(--gradient);
    transform: rotate(5deg) scale(1.05);
}

.project h3{
    font-size:1.5rem;
    margin-bottom:12px;
}

.project p{
    color:var(--text-secondary);
    margin-bottom:25px;
}

/* =========================================================
CTA
========================================================= */
.cta{
    position:relative;
    overflow:hidden;

    background:linear-gradient(135deg,#0f172a 0%, #111827 100%);

    border:1px solid rgba(255,255,255,.08);

    border-radius:36px;

    padding:90px 50px;

    text-align:center;
    transition: var(--transition);
}

.cta:hover {
    border-color:rgba(124,58,237,.35);
    box-shadow: var(--shadow);
}

.cta::before{
    content:'';
    position:absolute;
    width:500px;
    height:500px;
    background:rgba(124,58,237,.18);
    border-radius:50%;
    filter:blur(120px);
    top:-250px;
    left:50%;
    transform:translateX(-50%);
}

.cta h2{
    font-size:clamp(2rem,5vw,4rem);
    margin-bottom:20px;
    position:relative;
    z-index:2;
}

.cta p{
    max-width:700px;
    margin:auto auto 35px;
    color:var(--text-secondary);
    position:relative;
    z-index:2;
}

/* =========================================================
FOOTER
========================================================= */
footer{
    padding:60px 0 40px;
}

.footer-content{
    display:flex;
    justify-content:space-between;
    align-items:center;
    gap:30px;
    flex-wrap:wrap;
}

.footer-content p{
    color:var(--text-muted);
}

.socials{
    display:flex;
    gap:16px;
}

.socials a{
    width:52px;
    height:52px;

    display:flex;
    align-items:center;
    justify-content:center;

    border-radius:18px;

    background:rgba(255,255,255,.04);
    border:1px solid rgba(255,255,255,.08);

    color:#fff;
    text-decoration:none;

    transition:var(--transition);
}

.socials a:hover{
    transform:translateY(-4px);
    background:var(--gradient);
    box-shadow: 0 5px 15px rgba(124,58,237,.4);
}

/* =========================================================
ANIMATION
========================================================= */
.reveal{
    opacity:0;
    transform:translateY(30px);
    transition:1s cubic-bezier(.16,1,.3,1);
}

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

/* =========================================================
RESPONSIVE - OTIMIZAÇÕES MOBILE PREMIUM
========================================================= */
@media(max-width:980px){
    .hero-grid{
        grid-template-columns:1fr;
        gap: 40px;
    }
    .hero-card{
        order: 1; /* Texto vem primeiro no mobile */
    }
}

@media(max-width:768px){
    section{
        padding:70px 0;
    }

    .section-header{
        margin-bottom: 40px;
    }

    /* Navbar Expandível Mobile */
    .desktop-only {
        display: none;
    }
    .mobile-only {
        display: block;
    }
    .menu-toggle {
        display: flex;
    }

    .nav-links {
        position: absolute;
        top: calc(100% + 12px);
        left: 0;
        width: 100%;
        flex-direction: column;
        background: rgba(10, 15, 30, 0.96);
        border: 1px solid rgba(255, 255, 255, 0.08);
        backdrop-filter: blur(20px);
        padding: 20px;
        border-radius: 20px;
        gap: 8px;
        box-shadow: var(--shadow);
        opacity: 0;
        transform: translateY(-15px);
        pointer-events: none;
        transition: var(--transition);
    }

    .nav-links.active {
        opacity: 1;
        transform: translateY(0);
        pointer-events: auto;
    }

    .nav-links a {
        width: 100%;
        display: block;
        padding: 14px;
        background: rgba(255,255,255,0.02);
    }

    /* Ajustes da Seção Hero */
    .hero {
        padding-top: 140px;
        min-height: auto;
    }
    .hero-left {
        text-align: center;
    }
    .badge {
        margin: 0 auto 24px auto;
    }
    .hero-buttons{
        flex-direction:column;
        gap: 14px;
    }
    .btn{
        width:100%;
        text-align:center;
    }

    /* Ajustes de Grid para evitar overflow lateral */
    .projects, .grid-cards {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .card, .project-content, .hero-card {
        padding: 24px;
    }

    .cta{
        padding: 50px 20px;
    }

    footer .footer-content {
        flex-direction: column-reverse;
        text-align: center;
        gap: 24px;
    }
}