:root {
    --primary-color: #0f172a;
    /* Deep Navy */
    --secondary-color: #3b82f6;
    /* Bright Blue */
    --accent-color: #f59e0b;
    /* Gold/Amber for accents */
    --text-color: #334155;
    /* Slate 700 */
    --light-bg: #f8fafc;
    /* Slate 50 */
    --white: #ffffff;
    --success: #22c55e;
    --font-main: 'Inter', sans-serif;
    --transition: all 0.3s ease;
}

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

body {
    font-family: var(--font-main);
    color: var(--text-color);
    line-height: 1.6;
    background-color: var(--light-bg);
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

/* Header & Nav */
header {
    background-color: var(--white);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 5%;
    max-width: 1200px;
    margin: 0 auto;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo span {
    color: var(--secondary-color);
}

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-links a {
    font-weight: 500;
    color: var(--text-color);
    transition: var(--transition);
}

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

.btn-login {
    padding: 0.6rem 1.8rem;
    background-color: var(--secondary-color);
    color: var(--white);
    border-radius: 50px;
    font-weight: 600;
    transition: var(--transition);
    box-shadow: 0 4px 14px 0 rgba(59, 130, 246, 0.39);
}

.btn-login:hover {
    background-color: var(--primary-color);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(15, 23, 42, 0.23);
}

.mobile-menu-btn {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
}

/* Hero Section */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    padding: 0 5%;
    padding-top: 80px;
    /* Header height */
    text-align: center;
}

.hero-content {
    max-width: 800px;
}

.hero h1 {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.hero p {
    font-size: 1.2rem;
    color: var(--text-color);
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-group {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

.btn {
    padding: 0.8rem 2rem;
    border-radius: 5px;
    font-weight: 600;
    transition: var(--transition);
    cursor: pointer;
    border: none;
}

.btn-primary {
    background-color: var(--secondary-color);
    color: var(--white);
}

.btn-primary:hover {
    background-color: var(--primary-color);
    transform: translateY(-2px);
}

.btn-outline {
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    background: transparent;
}

.btn-outline:hover {
    background-color: var(--primary-color);
    color: var(--white);
    transform: translateY(-2px);
}

/* Services Section */
.section {
    padding: 5rem 5%;
    max-width: 1200px;
    margin: 0 auto;
}

.section-title {
    text-align: center;
    margin-bottom: 3rem;
}

.section-title h2 {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.section-title p {
    color: var(--text-color);
    opacity: 0.8;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.service-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
    border-top: 4px solid var(--secondary-color);
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

.service-icon {
    font-size: 2rem;
    color: var(--secondary-color);
    margin-bottom: 1rem;
}

.service-card h3 {
    margin-bottom: 1rem;
    color: var(--primary-color);
}

/* About Section */
.about {
    background-color: var(--white);
}

.about-content {
    display: flex;
    align-items: center;
    gap: 4rem;
}

.about-text {
    flex: 1;
}

.about-image {
    flex: 1;
    height: 400px;
    background-color: #cbd5e1;
    /* Placeholder */
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #64748b;
}

/* Floating WhatsApp */
.whatsapp-float {
    position: fixed;
    width: 60px;
    height: 60px;
    bottom: 40px;
    right: 40px;
    background-color: #25d366;
    color: #FFF;
    border-radius: 50px;
    text-align: center;
    font-size: 30px;
    box-shadow: 2px 2px 3px #999;
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.whatsapp-float:hover {
    transform: scale(1.1);
    background-color: #20ba5a;
}

/* Footer */
footer {
    background-color: var(--primary-color);
    color: var(--white);
    padding: 3rem 5%;
    text-align: center;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 2rem;
}

.footer-col h4 {
    margin-bottom: 1rem;
    color: var(--secondary-color);
}

.footer-bottom {
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.9rem;
    opacity: 0.8;
}

/* Login Page */
.login-container {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--light-bg);
}

.login-card {
    background: var(--white);
    padding: 2.5rem;
    border-radius: 10px;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    width: 100%;
    max-width: 400px;
}

.login-header {
    text-align: center;
    margin-bottom: 2rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-color);
    font-weight: 500;
}

.form-control {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid #cbd5e1;
    border-radius: 5px;
    font-family: inherit;
    transition: var(--transition);
}

.form-control:focus {
    outline: none;
    border-color: var(--secondary-color);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.btn-block {
    width: 100%;
}

/* Dashboard / Member Area */
.dashboard-layout {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: 260px;
    background-color: var(--primary-color);
    color: var(--white);
    padding: 1.5rem;
    position: fixed;
    height: 100vh;
    overflow-y: auto;
    transition: var(--transition);
}

.sidebar-header {
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar-menu li {
    margin-bottom: 0.5rem;
}

.sidebar-menu a {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    border-radius: 5px;
    color: #94a3b8;
    transition: var(--transition);
}

.sidebar-menu a:hover,
.sidebar-menu a.active {
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--white);
}

.main-content {
    flex: 1;
    margin-left: 260px;
    background-color: var(--light-bg);
}

.top-bar {
    background-color: var(--white);
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.content-wrapper {
    padding: 2rem;
}

.card {
    background: var(--white);
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
    margin-bottom: 1.5rem;
}

/* Mobile Responsiveness */
@media (max-width: 768px) {
    .navbar {
        padding: 1rem;
    }

    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: var(--white);
        flex-direction: column;
        padding: 2rem;
        box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
        text-align: center;
    }

    .nav-links.active {
        display: flex;
    }

    .mobile-menu-btn {
        display: block;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .about-content {
        flex-direction: column;
    }

    .sidebar {
        transform: translateX(-100%);
        z-index: 1001;
    }

    .sidebar.active {
        transform: translateX(0);
    }

    .main-content {
        margin-left: 0;
    }

    .whatsapp-float {
        width: 50px;
        height: 50px;
        bottom: 20px;
        right: 20px;
        font-size: 24px;
    }
}