/* ===================================================
   PALETA DE COLORES PROFESORES.COM.DO
   Identidad: Verde Esmeralda Educativo
   =================================================== */
   :root {
    --green-dark: #276749;
    --green-main: #2f855a;
    --green-light: #68d391;
    --text-dark: #1f2933;
    --text-muted: #6b7280;
}

body {
    font-family: 'Poppins', sans-serif;
    padding-top: 60px; /* Espacio para el nav fijo */
    color: var(--text-dark);
    background-color: #ffffff;
    overflow-x: hidden;
}

/* ===================== NAV ===================== */
.navbar {
    border-bottom: 1px solid #f3f4f6;
    height: 70px;
}

.nav-link-action {
    color: var(--green-main);
    font-weight: 600;
    text-decoration: none;
    transition: color 0.2s;
}

.nav-link-action:hover {
    text-decoration: none;
    color: var(--green-dark);
}

.btn-register {
    background-color: var(--green-main);
    color: #fff !important;
    font-weight: 600;
    border-radius: 50px;
    padding: 10px 28px;
    text-decoration: none;
    transition: all 0.3s ease;
    border: none;
}

.btn-register:hover {
    background-color: var(--green-dark);
    box-shadow: 0 4px 12px rgba(47, 133, 90, 0.2);
}

/* ===================== HERO ===================== */
.hero-section {
    background: linear-gradient(135deg, #f9fafb 0%, #eef2f3 100%);
    padding: 60px 0 100px;
    text-align: center;
}

.hero-logo {
    max-width: 450px;
    height: auto;
    margin-bottom: 35px;
}

.hero-title {
    font-weight: 800;
    font-size: 3.5rem;
    margin-bottom: 25px;
    letter-spacing: -1px;
    color: var(--text-dark);
}

.hero-title span {
    color: var(--green-main);
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-muted);
    margin-bottom: 50px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
}

/* ===================== BUTTONS ===================== */
.btn-main {
    display: inline-block;
    font-weight: 700;
    padding: 18px 50px;
    font-size: 1.15rem;
    border-radius: 50px;
    border: none;
    text-decoration: none !important;
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    cursor: pointer;
}

.btn-profesor {
    background-color: var(--green-dark);
    color: #fff !important;
}

.btn-profesor:hover {
    background-color: #1f5f43;
    box-shadow: 0 10px 25px rgba(39, 103, 73, 0.35);
    transform: translateY(-3px);
}

.btn-colegio {
    background-color: var(--green-light);
    color: #064e3b !important;
}

.btn-colegio:hover {
    background-color: #4ade80;
    box-shadow: 0 10px 25px rgba(104, 211, 145, 0.45);
    transform: translateY(-3px);
}

/* ===================== FEATURES ===================== */
.feature-box {
    padding: 50px 30px;
    border-radius: 24px;
    transition: all 0.4s ease;
    height: 100%;
    border: 1px solid #f1f5f9;
    background: #ffffff;
    text-align: center;
}

.feature-box:hover {
    box-shadow: 0 20px 40px rgba(0,0,0,0.06);
    transform: translateY(-8px);
    border-color: var(--green-light);
}

.icon-circle {
    width: 75px;
    height: 75px;
    background-color: #ecfdf5;
    color: var(--green-main);
    border-radius: 22px; /* Un toque un poco más moderno que el círculo perfecto */
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    margin: 0 auto 25px;
}

.feature-box h4 {
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--text-dark);
}

/* ===================== FOOTER ===================== */
footer {
    background-color: #ffffff;
    padding: 60px 0;
    border-top: 1px solid #f1f5f9;
}

/* ===================== RESPONSIVE ===================== */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    .hero-logo {
        max-width: 280px;
    }
    .btn-main {
        width: 100%;
        margin-bottom: 15px;
    }
}