* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Poppins', sans-serif;
}

body {
    background: #ecfeff;
    color: #064e3b;
}

/* Navbar */
.navbar {
    background: linear-gradient(90deg, #38bdf8, #059669);
    padding: 15px 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-left, .nav-right {
    list-style: none;
    display: flex;
    gap: 20px;
    align-items: center;
}

.navbar a {
    color: white;
    text-decoration: none;
    font-weight: 500;
}

.login-btn {
    background: white;
    color: #059669;
    padding: 8px 20px;
    border-radius: 20px;
    font-weight: 600;
}

.logout-btn {
    background: #ef4444;
    border: none;
    color: white;
    padding: 8px 18px;
    border-radius: 20px;
    cursor: pointer;
}

/* Hero */
.hero {
    padding: 100px 20px;
    text-align: center;
    background: linear-gradient(135deg, #38bdf8, #059669);
    color: white;
}

.hero h1 {
    font-size: 3rem;
}

.btn {
    background: white;
    color: #059669;
    padding: 12px 30px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 600;
}

/* Section */
.section {
    max-width: 1100px;
    margin: auto;
    padding: 80px 20px;
}

.section h2 {
    text-align: center;
    margin-bottom: 40px;
}

/* Grid */
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.card {
    background: white;
    padding: 30px;
    border-radius: 16px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.08);
}

/* Footer */
footer {
    background: #059669;
    color: white;
    text-align: center;
    padding: 15px;
}

.login-btn {
    background: white;
    color: #059669 !important;
    padding: 8px 22px;
    border-radius: 20px;
    font-weight: 600;
}

/* Light section */
.section.light {
    background: #f0fdfa;
}

/* Button outline */
.btn-outline {
    border: 2px solid #059669;
    color: #059669;
    padding: 10px 26px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 600;
    transition: 0.3s;
}

.btn-outline:hover {
    background: #059669;
    color: white;
}

/* Margin top helper */
.mt {
    margin-top: 40px;
}

.hero {
    padding: 120px 20px;
    text-align: center;
    background: linear-gradient(135deg, #38bdf8, #059669);
    color: white;
}

.footer {
    background: #059669;
    color: white;
    text-align: center;
    padding: 20px;
}

.footer .social {
    margin-top: 8px;
}

.footer .social a {
    color: #ecfeff;
    text-decoration: none;
    font-weight: 500;
}

.footer .social a:hover {
    text-decoration: underline;
}