:root {
    --bg: #070a14;
    --glass: rgba(255, 255, 255, 0.06);
    --primary: #7c7cff;
    --secondary: #00e0ff;
    --text: #eaf0ff;
    --muted: #8b96b8;
}

* {
    font-family: 'Montserrat', sans-serif;
}

body {
    background: var(--bg);
    color: var(--text);
    overflow-x: hidden;
}

#particles-js {
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
}


/* ================= HEADER ================= */
.top-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;

    padding: 18px 0;

    /* 🔥 visual fixo */
    background: rgba(10, 14, 30, 0.75);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);

    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}


/* HEADER AO ROLAR */
.top-header.scrolled {
    background: rgba(10, 14, 30, 0.75);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.logo {
    height: 44px;
}

.header-actions .btn {
    margin-left: 12px;
}

/* ================= HERO ================= */
.hero {
    position: relative;
    min-height: 100vh;

    padding-top: clamp(160px, 22vh, 340px);
}

.hero-bg {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 20% 20%, rgba(124, 124, 255, .25), transparent 40%),
        radial-gradient(circle at 80% 30%, rgba(0, 224, 255, .2), transparent 40%);
    filter: blur(40px);
    z-index: 0;
}

.hero-inner {
    position: relative;
    z-index: 2;
}

.tagline {
    color: var(--secondary);
    font-weight: 700;
    letter-spacing: 1px;
}

.hero h1 {
    font-size: 3.8rem;
    font-weight: 900;
}

.hero h1 span {
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.hero p {
    max-width: 520px;
    color: var(--muted);
    margin: 20px 0 30px;
}

.hero-mockup {
    max-width: 90%;
    animation: float 6s ease-in-out infinite;
}

/* ================= BUTTONS ================= */
.btn-neon {
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    color: #000;
    font-weight: 800;
    border-radius: 50px;
    padding: 14px 36px;
    box-shadow: 0 0 25px rgba(0, 224, 255, .6);
}

.btn-glass {
    background: var(--glass);
    border: 1px solid rgba(255, 255, 255, .25);
    border-radius: 50px;
    padding: 14px 32px;
    color: #fff;
}

.btn-glass:hover {
    color: rgba(0, 224, 255, .6);
}

.btn-outline {
    border: 1px solid var(--secondary);
    border-radius: 50px;
    padding: 14px 32px;
    color: var(--secondary);
}

.btn-outline:hover {
    color: rgba(0, 224, 255, .6);
}

/* ================= STATS ================= */
.stats {
    padding: 100px 0;
    position: relative;
    z-index: 2;
}

.stat-box {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 20px;
    padding: 40px 30px;
    text-align: center;
    transition: all 0.4s ease;
    cursor: pointer;
    border: 1px solid rgba(255, 255, 255, 0.08);
    position: relative;
    overflow: hidden;
}

.stat-box h2 {
    font-size: 2.8rem;
    font-weight: 800;
    margin-bottom: 8px;
    background: linear-gradient(90deg, #7c7cff, #00e0ff);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.stat-box p {
    color: #9aa4bf;
}

.stat-box:hover {
    transform: translateY(-12px) scale(1.02);
    border-color: rgba(0, 224, 255, 0.5);
    box-shadow:
        0 20px 40px rgba(0, 224, 255, 0.25),
        0 0 40px rgba(0, 224, 255, 0.25);
}

.stat-box::before {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at top, rgba(0, 224, 255, .25), transparent 70%);
    opacity: 0;
    transition: opacity .4s ease;
}

.stat-box:hover::before {
    opacity: 1;
}

/* ================= FEATURES ================= */
.power {
    padding: 120px 0;
}

.power-card {
    background: var(--glass);
    border-radius: 24px;
    padding: 40px;
    transition: .3s;
}

.power-card:hover {
    transform: translateY(-12px);
    box-shadow: 0 30px 60px rgba(0, 224, 255, .2);
}

.power-card span {
    font-size: 50px;
    color: var(--secondary);
}

/* ================= EXPERIENCE ================= */
.experience {
    padding: 140px 0;
}

.visual-wrapper {
    position: relative;
    overflow: visible;
}

.ui-visual {
    max-width: 100%;
    transform: translateX(40px);
}

@media (max-width: 991px) {
    .ui-visual {
        transform: none;
        margin-top: 40px;
    }
}

/* ================= CTA ================= */
.final-cta {
    padding: 140px 0;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: #000;
}

.btn-xl {
    padding: 18px 50px;
    font-size: 1.2rem;
}

/* ================= FOOTER ================= */
.footer {
    padding: 30px;
    text-align: center;
    color: var(--muted);
}

/* ================= ANIMAÇÕES ================= */
@keyframes float {
    50% {
        transform: translateY(-20px);
    }
}

/* ================= SCROLLBAR ================= */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, var(--primary), var(--secondary));
    border-radius: 10px;
}

* {
    scrollbar-width: thin;
    scrollbar-color: var(--secondary) transparent;
}