:root {
    --bg-dark: #070c14;
    --card-bg: #0f172a;
    --card-border: rgba(0, 210, 255, 0.15);
    --primary-cyan: #00d2ff;
    --primary-blue: #1d4ed8;
    --accent-glow: rgba(0, 210, 255, 0.35);
    --text-light: #f1f5f9;
    --text-muted: #94a3b8;
    --font-main: 'Segoe UI', system-ui, -apple-system, sans-serif;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: var(--font-main);
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-dark);
    color: var(--text-light);
    line-height: 1.6;
    overflow-x: hidden;
    background-image: 
        radial-gradient(circle at 10% 20%, rgba(0, 210, 255, 0.08) 0%, transparent 40%),
        radial-gradient(circle at 90% 80%, rgba(29, 78, 216, 0.12) 0%, transparent 40%);
}

/* HEADER & NAVBAR */
header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(7, 12, 20, 0.85);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--card-border);
    padding: 1rem 2rem;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.brand-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}

.brand-logo img {
    height: 42px;
    width: auto;
    border-radius: 8px;
}

.brand-title {
    font-size: 1.4rem;
    font-weight: 800;
    background: linear-gradient(135deg, #ffffff 0%, var(--primary-cyan) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: 0.5px;
}

/* HERO SECTION */
.hero {
    max-width: 1200px;
    margin: 4rem auto 2rem auto;
    padding: 0 2rem;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(0, 210, 255, 0.08);
    border: 1px solid var(--primary-cyan);
    color: var(--primary-cyan);
    padding: 0.4rem 1rem;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.hero h1 {
    font-size: 3.2rem;
    line-height: 1.15;
    font-weight: 900;
    margin-bottom: 1.2rem;
    color: #fff;
}

.hero h1 span {
    background: linear-gradient(135deg, var(--primary-cyan) 0%, #3b82f6 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero p {
    font-size: 1.15rem;
    color: var(--text-muted);
    margin-bottom: 2rem;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.hero-image-container {
    position: relative;
    text-align: center;
}

.hero-banner {
    width: 100%;
    max-width: 480px;
    border-radius: 20px;
    border: 2px solid var(--card-border);
    box-shadow: 0 20px 40px rgba(0,0,0,0.6), 0 0 30px rgba(0, 210, 255, 0.25);
    transition: transform 0.5s ease;
}

.hero-banner:hover {
    transform: scale(1.02) rotate(0.5deg);
}

/* SECTION TITLE */
.section-header {
    text-align: center;
    max-width: 700px;
    margin: 5rem auto 3rem auto;
    padding: 0 1.5rem;
}

.section-header h2 {
    font-size: 2.2rem;
    font-weight: 800;
    color: #ffffff;
    margin-bottom: 0.8rem;
}

.section-header p {
    color: var(--text-muted);
    font-size: 1.05rem;
}

/* FEATURES GRID */
.features-grid {
    max-width: 900px;
    margin: 0 auto 4rem auto;
    padding: 0 2rem;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 18px;
    padding: 2rem;
    box-shadow: 0 10px 25px rgba(0,0,0,0.3);
    transition: all 0.35s ease;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.feature-card:hover {
    transform: translateY(-6px);
    border-color: var(--primary-cyan);
    box-shadow: 0 15px 35px rgba(0, 210, 255, 0.2);
}

.feature-icon {
    font-size: 2.4rem;
    color: var(--primary-cyan);
}

.feature-title {
    font-size: 1.3rem;
    font-weight: 700;
    color: #fff;
}

.feature-desc {
    font-size: 1rem;
    color: var(--text-muted);
    flex-grow: 1;
}

/* DOWNLOAD BUTTON */
.btn-download {
    background: linear-gradient(135deg, #00d2ff 0%, #0072ff 100%);
    color: #000;
    font-weight: 700;
    padding: 0.8rem 1.8rem;
    border-radius: 50px;
    text-decoration: none;
    box-shadow: 0 0 15px var(--accent-glow);
    transition: all 0.3s ease;
    display: inline-block;
    border: none;
    cursor: pointer;
    font-size: 1rem;
    margin-top: 1.5rem;
    text-align: center;
}

.btn-download:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 25px rgba(0, 210, 255, 0.6);
    color: #000;
}

/* BUTTONS COMMON */
.btn-cta {
    background: linear-gradient(135deg, #00d2ff 0%, #0072ff 100%);
    color: #000;
    font-weight: 700;
    padding: 0.6rem 1.4rem;
    border-radius: 50px;
    text-decoration: none;
    box-shadow: 0 0 15px var(--accent-glow);
    transition: all 0.3s ease;
    display: inline-block;
    border: none;
    cursor: pointer;
}

.btn-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 25px rgba(0, 210, 255, 0.6);
    color: #000;
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--primary-cyan);
    color: var(--primary-cyan);
    font-weight: 600;
    padding: 0.6rem 1.4rem;
    border-radius: 50px;
    text-decoration: none;
    transition: all 0.3s ease;
}

.btn-secondary:hover {
    background: rgba(0, 210, 255, 0.1);
    transform: translateY(-2px);
}

/* NAV LINKS */
.nav-links {
    display: flex;
    gap: 2rem;
    align-items: center;
    list-style: none;
}

.nav-links a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    transition: all 0.3s ease;
}

.nav-links a:hover {
    color: var(--primary-cyan);
}

/* CORE FEATURES SECTION */
.core-features {
    max-width: 900px;
    margin: 0 auto 4rem auto;
    padding: 0 2rem;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

/* ADVANTAGES LIST */
.advantages-list {
    max-width: 700px;
    margin: 0 auto 5rem auto;
    padding: 0 2rem;
    color: var(--text-muted);
    font-size: 1.05rem;
    line-height: 1.6;
}

.advantages-list ul {
    list-style: none;
    padding-left: 1.2rem;
}

.advantages-list li {
    margin-bottom: 1rem;
    position: relative;
    padding-left: 1.5rem;
}

.advantages-list li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--primary-cyan);
    font-weight: 700;
}

/* ECOSYSTEM PRODUCTS SECTION */
.ecosystem-grid {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.product-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 18px;
    padding: 2.2rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    position: relative;
    overflow: hidden;
    transition: all 0.35s ease;
    box-shadow: 0 10px 25px rgba(0,0,0,0.3);
}

.product-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-cyan), var(--primary-blue));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.product-card:hover {
    transform: translateY(-8px);
    border-color: var(--primary-cyan);
    box-shadow: 0 15px 35px rgba(0, 210, 255, 0.2);
}

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

.product-tag {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--primary-cyan);
    margin-bottom: 0.8rem;
}

.product-title {
    font-size: 1.6rem;
    color: #fff;
    font-weight: 700;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 10px;
}

.product-desc {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
    flex-grow: 1;
}

.product-features {
    list-style: none;
    margin-bottom: 2rem;
}

.product-features li {
    color: #cbd5e1;
    font-size: 0.9rem;
    margin-bottom: 0.6rem;
    display: flex;
    align-items: flex-start;
    gap: 8px;
}

.product-features li::before {
    content: "✓";
    color: var(--primary-cyan);
    font-weight: bold;
}

.card-link {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 0.8rem 1rem;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(0, 210, 255, 0.3);
    color: var(--primary-cyan);
    border-radius: 10px;
    text-decoration: none;
    font-weight: 700;
    font-size: 0.95rem;
    transition: all 0.3s ease;
}

.card-link:hover {
    background: var(--primary-cyan);
    color: #000;
    box-shadow: 0 0 15px var(--accent-glow);
}

/* EVOLUTION STEP / CONCEPT SECTION */
.evolution-section {
    max-width: 1200px;
    margin: 6rem auto;
    padding: 3rem 2rem;
    background: linear-gradient(180deg, rgba(15, 23, 42, 0.6) 0%, rgba(7, 12, 20, 0.9) 100%);
    border: 1px solid var(--card-border);
    border-radius: 24px;
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 2.5rem;
}

.step-item {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.06);
    padding: 1.8rem;
    border-radius: 14px;
    text-align: left;
    position: relative;
}

.step-number {
    font-size: 2rem;
    font-weight: 900;
    color: var(--primary-cyan);
    opacity: 0.5;
    margin-bottom: 0.5rem;
}

.step-title {
    font-size: 1.15rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 0.5rem;
}

.step-desc {
    font-size: 0.9rem;
    color: var(--text-muted);
}

/* DETAILED FEATURES LIST */
.feature-box {
    background: rgba(15, 23, 42, 0.5);
    border: 1px solid rgba(255, 255, 255, 0.05);
    padding: 1.5rem;
    border-radius: 12px;
}

.feature-box h4 {
    color: var(--primary-cyan);
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 8px;
}

.feature-box p {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* PRIVACIDADE MAIN CONTENT */
main {
    max-width: 900px;
    margin: 4rem auto 2rem auto;
    padding: 0 2rem;
}

h1 {
    font-size: 2.8rem;
    font-weight: 900;
    margin-bottom: 1rem;
    color: #fff;
    text-align: center;
}

h2 {
    font-size: 1.8rem;
    font-weight: 700;
    margin-top: 2.5rem;
    margin-bottom: 1rem;
    color: var(--primary-cyan);
}

p {
    font-size: 1.05rem;
    color: var(--text-muted);
    margin-bottom: 1rem;
    line-height: 1.6;
}

ul {
    list-style: none;
    padding-left: 1.2rem;
    color: var(--text-muted);
    font-size: 1.05rem;
    line-height: 1.6;
}

ul li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.8rem;
}

ul li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--primary-cyan);
    font-weight: 700;
}

/* FOOTER */
footer {
    margin-top: 6rem;
    background: #04070d;
    border-top: 1px solid var(--card-border);
    padding: 3rem 2rem;
    text-align: center;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.footer-logo img {
    height: 36px;
}

.footer-text {
    color: var(--text-muted);
    font-size: 0.9rem;
    max-width: 600px;
}

.copyright {
    color: #475569;
    font-size: 0.85rem;
    margin-top: 1rem;
}

/* RESPONSIVE */
@media (max-width: 900px) {
    .hero {
        grid-template-columns: 1fr;
        text-align: center;
        margin-top: 2rem;
    }
    .hero-buttons {
        justify-content: center;
    }
    .hero h1 {
        font-size: 2.4rem;
    }
    .nav-links {
        display: none;
    }
    main {
        padding: 0 1rem;
        margin: 3rem auto 2rem auto;
    }
    h1 {
        font-size: 2rem;
    }
    h2 {
        font-size: 1.5rem;
    }
}