/* ========================================
   NEA Informática - Styles
   Design Tecnológico e Profissional
   ======================================== */

:root {
    --primary-color: #0d47a1;
    --secondary-color: #1976d2;
    --accent-color: #00bcd4;
    --neon-green: #00ff88;
    --text-color: #2c2c2c;
    --light-bg: #f0f8ff;
    --white: #ffffff;
    --shadow: 0 10px 30px rgba(13, 71, 161, 0.15);
    --shadow-hover: 0 15px 40px rgba(13, 71, 161, 0.25);
    --transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

.container {
    max-width: 1260px;
    margin: 0 auto;
    padding: 0 25px;
}

/* ============ Header ============ */
.site-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    padding: 1.8rem 0;
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.site-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
}

.logo h1 {
    font-size: 2.3rem;
    color: var(--white);
    margin-bottom: 0.3rem;
    letter-spacing: 3px;
    font-weight: 900;
    text-transform: uppercase;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.2);
}

.main-navigation ul {
    list-style: none;
    display: flex;
    gap: 2.5rem;
}

.main-navigation a {
    color: var(--white);
    text-decoration: none;
    font-size: 1.1rem;
    font-weight: 700;
    transition: var(--transition);
    position: relative;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.main-navigation a::before {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 3px;
    background: var(--accent-color);
    transition: var(--transition);
}

.main-navigation a:hover::before {
    width: 100%;
}

.main-navigation a:hover {
    color: var(--accent-color);
}

/* ============ Hero Section ============ */
.hero {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 50%, var(--accent-color) 100%);
    padding: 7rem 0;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '🖥️';
    position: absolute;
    font-size: 25rem;
    opacity: 0.06;
    right: -8rem;
    top: -8rem;
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-30px); }
}

.hero .container {
    text-align: center;
}

.hero h2 {
    font-size: 4rem;
    color: var(--white);
    margin-bottom: 1.5rem;
    line-height: 1.2;
    font-weight: 900;
    text-shadow: 3px 3px 6px rgba(0,0,0,0.3);
}

.hero p {
    font-size: 1.4rem;
    color: var(--light-bg);
    margin-bottom: 2.5rem;
    line-height: 1.8;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.cta-button {
    display: inline-block;
    padding: 1.3rem 3.5rem;
    background: linear-gradient(135deg, var(--accent-color) 0%, var(--neon-green) 100%);
    color: var(--primary-color);
    text-decoration: none;
    border-radius: 50px;
    font-weight: 900;
    font-size: 1.2rem;
    transition: var(--transition);
    box-shadow: 0 8px 25px rgba(0, 188, 212, 0.4);
    text-transform: uppercase;
    letter-spacing: 2px;
}

.cta-button:hover {
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 15px 35px rgba(0, 188, 212, 0.6);
}

/* ============ Main Content ============ */
.main-content {
    padding: 6rem 0;
    background: var(--light-bg);
}

.content-section {
    background: var(--white);
    padding: 4rem;
    border-radius: 20px;
    box-shadow: var(--shadow);
    margin-bottom: 4rem;
    transition: var(--transition);
}

.content-section:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-5px);
}

.content-section h2 {
    font-size: 3rem;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 2rem;
    font-weight: 900;
    text-transform: uppercase;
    text-align: center;
}

.content-section p {
    font-size: 1.2rem;
    line-height: 1.9;
    margin-bottom: 1.8rem;
    color: var(--text-color);
    text-align: center;
}

/* ============ Services Grid ============ */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 3rem;
    margin-top: 3rem;
}

.service-card {
    background: linear-gradient(135deg, var(--white) 0%, var(--light-bg) 100%);
    padding: 3rem;
    border-radius: 20px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    text-align: center;
    border-top: 5px solid var(--accent-color);
}

.service-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: var(--shadow-hover);
    border-top-color: var(--neon-green);
}

.service-card h3 {
    color: var(--primary-color);
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
    font-weight: 700;
}

.service-card p {
    font-size: 1.1rem;
    color: var(--text-color);
    line-height: 1.8;
}

/* ============ Products Grid ============ */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3rem;
    margin-top: 3rem;
}

.product-card {
    background: var(--white);
    border-radius: 20px;
    padding: 3rem;
    box-shadow: var(--shadow);
    transition: var(--transition);
    text-align: center;
    border: 3px solid transparent;
}

.product-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-hover);
    border-color: var(--accent-color);
}

.product-card h3 {
    color: var(--primary-color);
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
    font-weight: 700;
}

.product-card p {
    font-size: 1.1rem;
    color: var(--text-color);
}

/* ============ Footer ============ */
.site-footer {
    background: linear-gradient(135deg, var(--primary-color) 0%, #051f52 100%);
    color: var(--white);
    padding: 5rem 0 2rem 0;
    margin-top: 6rem;
    text-align: center;
}

.site-footer p {
    font-size: 1.1rem;
    color: var(--accent-color);
}

/* ============ WhatsApp Button ============ */
.whatsapp-button {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    background: linear-gradient(135deg, #25D366 0%, #128C7E 100%);
    color: var(--white);
    padding: 1.2rem 2rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 700;
    box-shadow: 0 8px 25px rgba(37, 211, 102, 0.4);
    transition: var(--transition);
    z-index: 999;
}

.whatsapp-button:hover {
    transform: translateY(-8px) scale(1.1);
    box-shadow: 0 15px 35px rgba(37, 211, 102, 0.6);
}

/* ============ Responsive ============ */
@media (max-width: 968px) {
    .hero h2 {
        font-size: 2.8rem;
    }
    
    .main-navigation ul {
        flex-wrap: wrap;
        gap: 1.5rem;
    }
}