/* ========================================
   Solutions 4 Crowds - Styles
   Design Empresarial e Escalável
   ======================================== */

:root {
    --primary-color: #1e3a8a;
    --secondary-color: #3b82f6;
    --accent-color: #10b981;
    --cyan: #06b6d4;
    --text-color: #2c2c2c;
    --light-bg: #f0f9ff;
    --white: #ffffff;
    --shadow: 0 10px 30px rgba(30, 58, 138, 0.12);
    --shadow-hover: 0 15px 40px rgba(30, 58, 138, 0.2);
    --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: 1280px;
    margin: 0 auto;
    padding: 0 25px;
}

/* ============ Header ============ */
.site-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    padding: 2rem 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: 2px;
    font-weight: 900;
    text-transform: uppercase;
}

.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;
}

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

.main-navigation a:hover::after {
    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(--cyan) 100%);
    padding: 8rem 0;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '👥';
    position: absolute;
    font-size: 28rem;
    opacity: 0.05;
    right: -9rem;
    top: -9rem;
    animation: pulse 3s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

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

.hero h2 {
    font-size: 4.5rem;
    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: 1.5rem;
    color: var(--light-bg);
    margin-bottom: 2.5rem;
    line-height: 1.8;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

/* ============ Main Content ============ */
.main-content {
    padding: 7rem 0;
    background: var(--light-bg);
}

.content-section {
    background: var(--white);
    padding: 5rem;
    border-radius: 25px;
    box-shadow: var(--shadow);
    margin-bottom: 5rem;
    transition: var(--transition);
}

.content-section:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-8px);
}

.content-section h2 {
    font-size: 3.5rem;
    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: 2.5rem;
    font-weight: 900;
    text-transform: uppercase;
    text-align: center;
}

.content-section p {
    font-size: 1.3rem;
    line-height: 2;
    margin-bottom: 2rem;
    color: var(--text-color);
    text-align: center;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

/* ============ Footer ============ */
.site-footer {
    background: linear-gradient(135deg, var(--primary-color) 0%, #0f1e47 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);
    margin: 1rem 0;
}

/* ============ 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: 3rem;
    }
    
    .content-section h2 {
        font-size: 2.5rem;
    }
    
    .main-navigation ul {
        flex-wrap: wrap;
        gap: 1.5rem;
    }
}