* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: "Segoe UI", Arial, sans-serif;
    background: #f4f8f6;
    color: #1f2933;
}

.hero-section {
    min-height: 100vh;
    background:
        linear-gradient(rgba(5, 80, 55, 0.88), rgba(4, 43, 34, 0.92)),
        url("https://images.unsplash.com/photo-1516321318423-f06f85e504b3?auto=format&fit=crop&w=1600&q=80");
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    padding: 40px 0;
}

.hero-card {
    background: rgba(255, 255, 255, 0.96);
    border-radius: 24px;
    padding: 42px;
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.22);
}

.brand-badge {
    display: inline-block;
    padding: 8px 16px;
    background: #e8f7ef;
    color: #087443;
    border-radius: 100px;
    font-size: 14px;
    font-weight: 700;
    margin-bottom: 18px;
}

.hero-title {
    font-size: 42px;
    font-weight: 800;
    color: #063f2c;
    line-height: 1.12;
    margin-bottom: 18px;
}

.hero-subtitle {
    font-size: 17px;
    color: #52616b;
    line-height: 1.7;
    margin-bottom: 28px;
}

.portal-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.portal-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 190px;
    padding: 16px 22px;
    border-radius: 14px;
    text-decoration: none;
    font-weight: 800;
    transition: 0.25s ease;
}

.portal-btn.student {
    background: #0b7a45;
    color: white;
}

.portal-btn.student:hover {
    background: #075c35;
    color: white;
    transform: translateY(-2px);
}

.portal-btn.expert {
    background: #ffffff;
    color: #0b7a45;
    border: 2px solid #0b7a45;
}

.portal-btn.expert:hover {
    background: #e8f7ef;
    color: #075c35;
    transform: translateY(-2px);
}

.feature-box {
    background: #f7fbf9;
    border: 1px solid #e3eee8;
    padding: 18px;
    border-radius: 16px;
    height: 100%;
}

.feature-box h6 {
    color: #075c35;
    font-weight: 800;
}

.page-wrapper {
    min-height: 100vh;
    padding: 50px 0;
    background:
        linear-gradient(rgba(244, 248, 246, 0.95), rgba(244, 248, 246, 0.95)),
        url("https://images.unsplash.com/photo-1551434678-e076c223a692?auto=format&fit=crop&w=1600&q=80");
    background-size: cover;
    background-position: center;
}

.content-card {
    background: #ffffff;
    border-radius: 22px;
    padding: 36px;
    box-shadow: 0 18px 45px rgba(0, 0, 0, 0.10);
}

.section-title {
    color: #063f2c;
    font-weight: 800;
}

.privacy-box {
    background: #f7fbf9;
    border-left: 5px solid #0b7a45;
    border-radius: 14px;
    padding: 22px;
}

.btn-main {
    background: #0b7a45;
    color: white;
    border: none;
    padding: 13px 22px;
    border-radius: 12px;
    font-weight: 700;
}

.btn-main:hover {
    background: #075c35;
    color: white;
}

.btn-outline-main {
    background: white;
    color: #0b7a45;
    border: 2px solid #0b7a45;
    padding: 12px 22px;
    border-radius: 12px;
    font-weight: 700;
    text-decoration: none;
}

.btn-outline-main:hover {
    background: #e8f7ef;
    color: #075c35;
}

.login-box {
    max-width: 520px;
    margin: 0 auto;
}

.footer-note {
    color: #7b8794;
    font-size: 13px;
    margin-top: 18px;
}

.admin-settings-btn {
    position: fixed;
    right: 22px;
    bottom: 22px;
    width: 46px;
    height: 46px;
    border-radius: 50%;
    background: #064e34;
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    font-size: 22px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.18);
    z-index: 999;
    transition: 0.25s ease;
}

.admin-settings-btn:hover {
    background: #0b7a45;
    color: #ffffff;
    transform: rotate(30deg) scale(1.08);
}