/* Guilhermino Ifc - Unique Electric Blue Neon + Horizontal Scroll Style */
:root {
    --bg: #0A1428;
    --card-bg: #13203A;
    --accent-cyan: #00F0FF;
    --accent-blue: #3B82F6;
    --accent-white: #E0F0FF;
    --text-primary: #E0F0FF;
    --text-secondary: #8BA4C0;
    --border: rgba(0, 240, 255, 0.12);
}

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

body {
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background: var(--bg);
    color: var(--text-primary);
    line-height: 1.75;
}

/* Classic Header */
header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(10, 20, 40, 0.96);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    z-index: 1000;
}

.nav-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 20px 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 26px;
    font-weight: 800;
    letter-spacing: -1px;
    color: var(--accent-cyan);
}

.nav-links {
    display: flex;
    gap: 36px;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: color 0.3s;
}

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

/* Fullscreen Hero with Snap */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 0 40px;
    scroll-snap-align: start;
}

.hero-content {
    max-width: 720px;
}

.hero h1 {
    font-size: 68px;
    font-weight: 800;
    line-height: 1.05;
    letter-spacing: -3.5px;
    margin-bottom: 28px;
}

.hero p {
    font-size: 21px;
    color: var(--text-secondary);
    max-width: 580px;
    margin: 0 auto 48px;
}

/* Electric Blue Buttons */
.electric-button {
    background: transparent;
    border: 2px solid var(--accent-cyan);
    color: var(--accent-cyan);
    padding: 16px 36px;
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 2.5px;
    text-transform: uppercase;
    border-radius: 6px;
    transition: all 0.3s ease;
    box-shadow: 0 0 15px rgba(0, 240, 255, 0.3);
    text-decoration: none;
    display: inline-block;
}

.electric-button:hover {
    background: var(--accent-cyan);
    color: #0A1428;
    box-shadow: 0 0 30px var(--accent-cyan);
    transform: translateY(-2px);
}

/* Horizontal Scroll Articles */
.articles-section {
    padding: 80px 0;
    overflow: hidden;
}

.articles-scroll {
    display: flex;
    gap: 24px;
    padding: 0 40px;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
}

.articles-scroll::-webkit-scrollbar {
    display: none;
}

.article-card {
    min-width: 380px;
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 32px 28px;
    scroll-snap-align: start;
    transition: all 0.4s cubic-bezier(0.23, 1, 0.32, 1);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
    cursor: pointer;
    flex-shrink: 0;
}

.article-card:hover {
    border-color: var(--accent-cyan);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
    transform: translateY(-4px);
}

.article-card .tag {
    font-size: 11px;
    letter-spacing: 2.5px;
    color: var(--accent-blue);
    margin-bottom: 14px;
    font-weight: 700;
}

.article-card h3 {
    font-size: 20px;
    font-weight: 700;
    line-height: 1.35;
    margin-bottom: 16px;
}

.article-card p {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.75;
    margin-bottom: 22px;
}

.read-more {
    color: var(--accent-cyan);
    font-weight: 600;
    font-size: 14px;
}

/* Form */
.form-section {
    max-width: 580px;
    margin: 80px auto;
    padding: 52px 44px;
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 16px;
}

.form-input {
    width: 100%;
    background: #0A1428;
    border: 1px solid var(--border);
    color: var(--text-primary);
    padding: 17px 22px;
    font-size: 15px;
    border-radius: 8px;
    margin-bottom: 16px;
}

.form-input:focus {
    border-color: var(--accent-cyan);
    box-shadow: 0 0 0 3px rgba(0, 240, 255, 0.1);
    outline: none;
}

textarea.form-input {
    min-height: 140px;
    resize: vertical;
}

/* Footer */
footer {
    background: #06101C;
    padding: 70px 40px 50px;
    border-top: 1px solid var(--border);
}

.footer-grid {
    max-width: 1280px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1.7fr 1fr 1fr;
    gap: 60px;
}

/* Modal */
.modal {
    position: fixed;
    inset: 0;
    background: rgba(10, 20, 40, 0.96);
    z-index: 2000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.modal.active { display: flex; }

.modal-content {
    max-width: 760px;
    width: 100%;
    background: var(--card-bg);
    border: 1px solid var(--accent-cyan);
    border-radius: 16px;
    padding: 48px;
    position: relative;
    max-height: 85vh;
    overflow-y: auto;
}

.modal-close {
    position: absolute;
    top: 22px;
    right: 26px;
    font-size: 32px;
    color: var(--text-secondary);
    cursor: pointer;
}

.modal-close:hover { color: var(--accent-cyan); }

/* Responsive */
@media (max-width: 900px) {
    .nav-links {
        display: none;
    }
    .mobile-menu-btn {
        display: block;
    }
    .articles-scroll {
        gap: 16px;
        padding: 0 24px;
    }
    .article-card {
        min-width: 320px;
    }
}