:root {
    --primary: #1a237e;
    --primary-light: #283593;
    --secondary: #0d47a1;
    --accent: #ff6f00;
    --accent-light: #ffa726;
    --text-primary: #212121;
    --text-secondary: #424242;
    --text-light: #757575;
    --bg-light: #f5f7fa;
    --bg-white: #ffffff;
    --shadow: 0 2px 15px rgba(0,0,0,0.08);
    --shadow-hover: 0 8px 30px rgba(0,0,0,0.12);
    --radius: 12px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: 'Segoe UI', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-light);
    color: var(--text-primary);
    line-height: 1.7;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* ===== HEADER ===== */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0,0,0,0.06);
    transition: var(--transition);
}

header.scrolled {
    box-shadow: 0 4px 20px rgba(0,0,0,0.06);
}

.navbar {
    padding: 0.8rem 0;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo a {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
    color: var(--primary);
    font-weight: 800;
    font-size: 1.4rem;
}

.logo-icon {
    font-size: 1.8rem;
    color: var(--accent);
}

.logo-text {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 0.3rem;
}

.nav-menu li a {
    color: var(--text-secondary);
    text-decoration: none;
    padding: 0.6rem 1.2rem;
    font-size: 0.95rem;
    font-weight: 500;
    border-radius: 50px;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-menu li a:hover,
.nav-menu li a.active {
    color: var(--primary);
    background: rgba(26, 35, 126, 0.08);
}

.nav-menu li a i {
    font-size: 0.9rem;
}

.menu-toggle {
    display: none;
    background: none;
    border: 2px solid rgba(26, 35, 126, 0.15);
    color: var(--primary);
    font-size: 1.4rem;
    padding: 0.4rem 1rem;
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition);
}

.menu-toggle:hover {
    background: rgba(26, 35, 126, 0.06);
    border-color: var(--primary);
}

/* ===== MAIN ===== */
main {
    margin-top: 76px;
    min-height: 70vh;
}

/* ===== SLIDER ===== */
.slider-container {
    position: relative;
    width: 100%;
    height: 85vh;
    min-height: 400px;
    max-height: 700px;
    overflow: hidden;
    background: var(--bg-light);
    border-radius: 0 0 30px 30px;
}

.slides {
    position: relative;
    width: 100%;
    height: 100%;
}

.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    visibility: hidden;
    transition: all 0.8s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.slide.active {
    opacity: 1;
    visibility: visible;
}

.slide-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

.slide-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.slide-image::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(26, 35, 126, 0.7), rgba(13, 71, 161, 0.3));
}

.slide-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    padding: 2rem;
    text-align: center;
    color: #fff;
    animation: fadeUp 0.8s ease forwards;
}

@keyframes fadeUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

.slide-content h1 {
    font-size: 3.8rem;
    font-weight: 800;
    margin-bottom: 1rem;
    line-height: 1.1;
}

.slide-content p {
    font-size: 1.2rem;
    opacity: 0.9;
    margin-bottom: 2rem;
}

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

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.9rem 2.5rem;
    background: var(--accent);
    color: #fff;
    font-weight: 700;
    font-size: 1rem;
    border-radius: 50px;
    text-decoration: none;
    transition: var(--transition);
    border: none;
    cursor: pointer;
}

.btn-primary:hover {
    background: var(--accent-light);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(255, 111, 0, 0.3);
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.9rem 2.5rem;
    background: rgba(255,255,255,0.15);
    color: #fff;
    font-weight: 600;
    font-size: 1rem;
    border-radius: 50px;
    text-decoration: none;
    backdrop-filter: blur(10px);
    border: 2px solid rgba(255,255,255,0.2);
    transition: var(--transition);
}

.btn-secondary:hover {
    background: rgba(255,255,255,0.25);
    transform: translateY(-2px);
}

.slider-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 10;
    background: rgba(255,255,255,0.15);
    border: none;
    color: #fff;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    font-size: 1.2rem;
    cursor: pointer;
    backdrop-filter: blur(10px);
    transition: var(--transition);
}

.slider-btn:hover {
    background: rgba(255,255,255,0.3);
    transform: translateY(-50%) scale(1.05);
}

.slider-btn.prev { left: 1.5rem; }
.slider-btn.next { right: 1.5rem; }

.dots-container {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
    display: flex;
    gap: 0.6rem;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255,255,255,0.3);
    cursor: pointer;
    transition: var(--transition);
}

.dot.active {
    background: var(--accent);
    transform: scale(1.3);
}

/* ===== DESTAQUES ===== */
.destaques {
    padding: 4rem 0;
    background: var(--bg-white);
}

.destaques-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.destaque-item {
    text-align: center;
    padding: 2.5rem 2rem;
    background: var(--bg-light);
    border-radius: var(--radius);
    transition: var(--transition);
}

.destaque-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
}

.destaque-item i {
    font-size: 2.8rem;
    color: var(--accent);
    margin-bottom: 1rem;
}

.destaque-item h3 {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--primary);
}

.destaque-item p {
    color: var(--text-light);
}

/* ===== CURSOS ===== */
.cursos-destaque {
    padding: 4rem 0;
    background: var(--bg-light);
}

.cursos-destaque h2 {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 3rem;
    color: var(--primary);
}

.cursos-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.curso-card {
    background: var(--bg-white);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.curso-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-hover);
}

.curso-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.curso-card .card-body {
    padding: 1.5rem;
}

.curso-card h3 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--primary);
}

.curso-card p {
    color: var(--text-light);
    font-size: 0.95rem;
}

.curso-card .curso-preco {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--accent);
    margin: 0.5rem 0;
}

.curso-card .btn-sm {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1.5rem;
    background: var(--primary);
    color: #fff;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    transition: var(--transition);
}

.curso-card .btn-sm:hover {
    background: var(--secondary);
    transform: translateX(4px);
}

/* ===== FOOTER ===== */
footer {
    background: #0a0e27;
    color: rgba(255,255,255,0.85);
    padding: 3rem 0 1.5rem;
    margin-top: 0;
    position: relative;
}

footer .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 3rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid rgba(255,255,255,0.06);
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.3rem;
    font-weight: 800;
    margin-bottom: 1rem;
    color: #fff;
}

.footer-brand i {
    font-size: 1.6rem;
    color: #ff6f00;
}

.footer-col p {
    opacity: 0.7;
    font-size: 0.95rem;
    line-height: 1.7;
    max-width: 300px;
}

.footer-col h4 {
    color: #fff;
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 1.2rem;
    position: relative;
}

.footer-col h4::after {
    content: '';
    position: absolute;
    bottom: -6px;
    left: 0;
    width: 30px;
    height: 2px;
    background: #ff6f00;
    border-radius: 10px;
}

.footer-col ul {
    list-style: none;
}

.footer-col ul li {
    margin-bottom: 0.6rem;
}

.footer-col ul li a {
    color: rgba(255,255,255,0.6);
    text-decoration: none;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.95rem;
}

.footer-col ul li a i {
    font-size: 0.8rem;
    color: #ff6f00;
    opacity: 0.5;
    transition: all 0.3s ease;
}

.footer-col ul li a:hover {
    color: #ffa726;
    padding-left: 4px;
}

.footer-col ul li a:hover i {
    opacity: 1;
}

.footer-contact li {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    color: rgba(255,255,255,0.6);
    font-size: 0.95rem;
    margin-bottom: 0.6rem;
}

.footer-contact li i {
    color: #ff6f00;
    width: 20px;
    font-size: 1rem;
}

.footer-social {
    display: flex;
    gap: 0.8rem;
    margin-top: 1rem;
}

.footer-social a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255,255,255,0.06);
    color: #fff;
    text-decoration: none;
    transition: all 0.3s ease;
}

.footer-social a:hover {
    background: #ff6f00;
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(255, 111, 0, 0.25);
}

.footer-bottom {
    padding-top: 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-bottom p {
    font-size: 0.85rem;
    opacity: 0.6;
}

.footer-bottom-links {
    display: flex;
    gap: 1rem;
    align-items: center;
    font-size: 0.85rem;
}

.footer-bottom-links a {
    color: rgba(255,255,255,0.5);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-bottom-links a:hover {
    color: #ffa726;
}

.footer-bottom-links .divider {
    color: rgba(255,255,255,0.15);
}

@media (max-width: 992px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 2rem;
    }
}

@media (max-width: 768px) {
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .footer-col p {
        max-width: 100%;
    }

    .footer-bottom {
        flex-direction: column;
        text-align: center;
        gap: 0.8rem;
    }

    .footer-bottom-links {
        flex-wrap: wrap;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    footer .container {
        padding: 0 1rem;
    }
    
    .footer-social a {
        width: 36px;
        height: 36px;
        font-size: 0.9rem;
    }
}

/* ===== RESPONSIVO ===== */
@media (max-width: 992px) {
    .slide-content h1 { font-size: 2.8rem; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
    .menu-toggle {
        display: block;
    }

    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 300px;
        height: 100vh;
        background: #fff;
        flex-direction: column;
        padding: 5rem 2rem 2rem;
        gap: 0.3rem;
        transition: var(--transition);
        box-shadow: -4px 0 30px rgba(0,0,0,0.1);
        border-left: 1px solid rgba(0,0,0,0.04);
    }

    .nav-menu.active {
        right: 0;
    }

    .nav-menu li a {
        padding: 0.8rem 1.2rem;
        font-size: 1.05rem;
        width: 100%;
        border-radius: 8px;
    }

    .slider-container {
        height: 70vh;
        min-height: 350px;
        border-radius: 0;
    }

    .slide-content h1 {
        font-size: 2rem;
    }

    .slide-content p {
        font-size: 1rem;
    }

    .slider-btn {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }
    .slider-btn.prev { left: 0.8rem; }
    .slider-btn.next { right: 0.8rem; }

    .destaques-grid {
        grid-template-columns: 1fr 1fr;
        gap: 1rem;
    }

    .cursos-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
        margin: 0 auto;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}

@media (max-width: 480px) {
    .container { padding: 0 1rem; }

    .slide-content h1 { font-size: 1.6rem; }
    .slide-content p { font-size: 0.9rem; }

    .btn-primary, .btn-secondary {
        padding: 0.7rem 1.5rem;
        font-size: 0.9rem;
        width: 100%;
        justify-content: center;
    }

    .destaques-grid { grid-template-columns: 1fr; }
    .destaque-item h3 { font-size: 2rem; }

    .nav-menu { width: 100%; }
}

/* ===== AUTH LINKS NO HEADER ===== */
.nav-menu .auth-link {
    margin-left: 0.3rem;
}

.nav-menu .auth-link a {
    padding: 0.5rem 1.2rem;
    border-radius: 50px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.nav-menu .btn-login {
    color: #0a0e27 !important;
    background: transparent;
    border: 2px solid #ff6f00;
}

.nav-menu .btn-login:hover {
    background: #ff6f00;
    color: #fff !important;
    transform: translateY(-2px);
}

.nav-menu .btn-register {
    color: #fff !important;
    background: linear-gradient(135deg, #ff6f00, #ffa726);
}

.nav-menu .btn-register:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(255, 111, 0, 0.3);
    color: #fff !important;
}

.nav-menu .btn-perfil {
    color: #0a0e27 !important;
    background: rgba(255, 111, 0, 0.1);
    border: 2px solid rgba(255, 111, 0, 0.2);
}

.nav-menu .btn-perfil:hover {
    background: rgba(255, 111, 0, 0.2);
    transform: translateY(-2px);
}

.nav-menu .btn-sair {
    color: #d32f2f !important;
    background: rgba(211, 47, 47, 0.08);
    border: 2px solid rgba(211, 47, 47, 0.15);
}

.nav-menu .btn-sair:hover {
    background: rgba(211, 47, 47, 0.15);
    transform: translateY(-2px);
}

@media (max-width: 768px) {
    .nav-menu .auth-link {
        margin-left: 0;
        margin-top: 0.3rem;
    }
    
    .nav-menu .auth-link a {
        justify-content: center;
        width: 100%;
    }
}
/* ===== AUTH LINKS NO HEADER ===== */
.nav-menu .auth-link {
    margin-left: 0.3rem;
}

.nav-menu .auth-link a {
    padding: 0.5rem 1.2rem;
    border-radius: 50px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.nav-menu .btn-login {
    color: #0a0e27 !important;
    background: transparent;
    border: 2px solid #ff6f00;
}

.nav-menu .btn-login:hover {
    background: #ff6f00;
    color: #fff !important;
    transform: translateY(-2px);
}

.nav-menu .btn-register {
    color: #fff !important;
    background: linear-gradient(135deg, #ff6f00, #ffa726);
}

.nav-menu .btn-register:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(255, 111, 0, 0.3);
    color: #fff !important;
}

.nav-menu .btn-perfil {
    color: #0a0e27 !important;
    background: rgba(255, 111, 0, 0.1);
    border: 2px solid rgba(255, 111, 0, 0.2);
}

.nav-menu .btn-perfil:hover {
    background: rgba(255, 111, 0, 0.2);
    transform: translateY(-2px);
}

.nav-menu .btn-sair {
    color: #d32f2f !important;
    background: rgba(211, 47, 47, 0.08);
    border: 2px solid rgba(211, 47, 47, 0.15);
}

.nav-menu .btn-sair:hover {
    background: rgba(211, 47, 47, 0.15);
    transform: translateY(-2px);
}

@media (max-width: 768px) {
    .nav-menu .auth-link {
        margin-left: 0;
        margin-top: 0.3rem;
    }
    
    .nav-menu .auth-link a {
        justify-content: center;
        width: 100%;
    }
}

.btn-inscrever-hero {
    display: inline-flex;
    align-items: center;
    gap: 0.8rem;
    padding: 0.9rem 2.5rem;
    background: #ff6f00;
    color: #fff;
    border: none;
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: 700;
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
    margin-top: 0.5rem;
}

.btn-inscrever-hero:hover {
    background: #e65100;
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(255,111,0,0.4);
}

.btn-inscrever-hero:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none !important;
}

.btn-inscrever-hero.inscrito {
    background: #4caf50;
}

.btn-sm {
    padding: 0.3rem 0.8rem;
    border-radius: 6px;
    text-decoration: none;
    font-size: 0.8rem;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
}