/* ============================================
   O NOVO ALGORITMO — Homepage
   ============================================ */

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

:root {
    --cyan: #00D4FF;
    --cyan-dark: #00A8CC;
    --cyan-glow: rgba(0, 212, 255, 0.3);
    --cyan-soft: rgba(0, 212, 255, 0.08);
    --red-accent: #FF3355;
    --dark: #060D1A;
    --dark-2: #0A1628;
    --dark-3: #0F1D32;
    --neon-border: rgba(0, 212, 255, 0.25);
    --text: #E0E6ED;
    --text-muted: #8899AA;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--dark);
    color: var(--text);
    line-height: 1.6;
    min-height: 100vh;
}

.container {
    max-width: 1080px;
    margin: 0 auto;
    padding: 0 24px;
}

.highlight {
    color: var(--cyan);
}

/* ============================================
   HERO / PROFILE
   ============================================ */
.hero {
    position: relative;
    padding: 80px 0 60px;
    text-align: center;
    overflow: hidden;
}

.hero-bg-glow {
    position: absolute;
    top: -120px;
    left: 50%;
    transform: translateX(-50%);
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(0, 212, 255, 0.08) 0%, transparent 70%);
    pointer-events: none;
    z-index: 0;
}

.profile {
    position: relative;
    z-index: 1;
}

.profile-img-wrapper {
    width: 150px;
    height: 150px;
    margin: 0 auto 28px;
    border-radius: 50%;
    padding: 3px;
    background: linear-gradient(135deg, var(--cyan), var(--cyan-dark), var(--cyan));
    box-shadow: 0 0 30px rgba(0, 212, 255, 0.25), 0 0 60px rgba(0, 212, 255, 0.1);
}

.profile-img {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    object-fit: cover;
    object-position: left center;
    border: 3px solid var(--dark);
}

.profile h1 {
    font-size: 2.4rem;
    font-weight: 800;
    color: #fff;
    margin-bottom: 8px;
}

.profile-tagline {
    font-size: 1.05rem;
    color: var(--text-muted);
    margin-bottom: 20px;
}

.instagram-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 24px;
    background: linear-gradient(135deg, #833ab4, #fd1d1d, #fcb045);
    color: #fff;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    border-radius: 50px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    box-shadow: 0 4px 15px rgba(131, 58, 180, 0.3);
}

.instagram-btn:hover {
    transform: scale(1.05);
    box-shadow: 0 6px 25px rgba(131, 58, 180, 0.5);
}

/* ============================================
   STATS
   ============================================ */
.stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-top: 50px;
    position: relative;
    z-index: 1;
}

.stat-card {
    background: var(--dark-2);
    border: 1px solid var(--neon-border);
    border-radius: 16px;
    padding: 28px 16px;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 30px rgba(0, 212, 255, 0.15);
}

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 900;
    color: var(--cyan);
    margin-bottom: 6px;
    text-shadow: 0 0 20px rgba(0, 212, 255, 0.3);
}

.stat-label {
    font-size: 0.85rem;
    color: var(--text-muted);
    font-weight: 500;
}

/* ============================================
   COURSES
   ============================================ */
.courses {
    padding: 80px 0;
}

.courses h2 {
    text-align: center;
    font-size: 2rem;
    font-weight: 800;
    color: #fff;
    margin-bottom: 48px;
}

.courses-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.course-card {
    position: relative;
    background: var(--dark-2);
    border: 1px solid var(--neon-border);
    border-radius: 20px;
    padding: 36px 28px;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.course-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 40px rgba(0, 212, 255, 0.15);
}

.course-card.featured {
    border-color: var(--cyan);
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.15);
    background: linear-gradient(180deg, rgba(0, 212, 255, 0.06) 0%, var(--dark-2) 100%);
}

.course-card.featured:hover {
    box-shadow: 0 12px 40px rgba(0, 212, 255, 0.25), 0 0 30px rgba(0, 212, 255, 0.15);
}

.course-card.closed {
    opacity: 0.65;
}

.course-card.closed:hover {
    transform: none;
    box-shadow: none;
}

/* Badge */
.course-badge {
    position: absolute;
    top: 16px;
    right: 16px;
    padding: 4px 14px;
    border-radius: 50px;
    font-size: 0.7rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.badge-open {
    background: rgba(0, 212, 255, 0.15);
    color: var(--cyan);
    border: 1px solid rgba(0, 212, 255, 0.3);
}

.badge-closed {
    background: rgba(255, 51, 85, 0.15);
    color: var(--red-accent);
    border: 1px solid rgba(255, 51, 85, 0.3);
}

/* Course Image */
.course-img {
    width: 100%;
    margin: -36px -28px 20px -28px;
    width: calc(100% + 56px);
    border-radius: 20px 20px 0 0;
    overflow: hidden;
}

.course-img img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    display: block;
}

/* Text */
.course-card h3 {
    font-size: 1.3rem;
    font-weight: 800;
    color: #fff;
    margin-bottom: 12px;
}

.course-desc {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.6;
    margin-bottom: 20px;
    flex-grow: 1;
}

/* Price */
.course-price {
    margin-bottom: 24px;
}

.price-tag {
    display: block;
    font-size: 1.8rem;
    font-weight: 900;
    color: var(--cyan);
    text-shadow: 0 0 15px rgba(0, 212, 255, 0.3);
}

.price-type {
    font-size: 0.8rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.course-status {
    margin-bottom: 24px;
}

.status-closed {
    display: inline-block;
    padding: 8px 20px;
    background: rgba(255, 51, 85, 0.1);
    border: 1px solid rgba(255, 51, 85, 0.25);
    border-radius: 8px;
    color: var(--red-accent);
    font-weight: 700;
    font-size: 0.9rem;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 14px 32px;
    border-radius: 10px;
    font-weight: 700;
    font-size: 0.95rem;
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
    width: 100%;
    text-align: center;
}

.btn-primary {
    background: linear-gradient(135deg, var(--cyan), var(--cyan-dark));
    color: #000;
    box-shadow: 0 4px 20px rgba(0, 212, 255, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 30px rgba(0, 212, 255, 0.5);
}

.btn-disabled {
    background: var(--dark-3);
    color: var(--text-muted);
    cursor: not-allowed;
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.btn-disabled:hover {
    transform: none;
    box-shadow: none;
}

/* Card Minimal (só imagem + botão) */
.card-minimal {
    justify-content: center;
    gap: 24px;
}

.card-minimal .course-img img {
    height: auto;
    max-width: 200px;
    margin: 0 auto;
    object-fit: contain;
    border-radius: 20px;
}

/* ============================================
   INSTAGRAM SECTION
   ============================================ */
.instagram-section {
    padding: 60px 0 80px;
}

.instagram-box {
    display: flex;
    align-items: center;
    gap: 40px;
    background: var(--dark-2);
    border: 1px solid var(--neon-border);
    border-radius: 20px;
    padding: 32px;
    overflow: hidden;
}

.instagram-img {
    flex-shrink: 0;
    max-width: 480px;
    border-radius: 12px;
    overflow: hidden;
}

.instagram-img img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 12px;
}

.instagram-content {
    flex: 1;
}

.instagram-content h2 {
    font-size: 1.6rem;
    font-weight: 800;
    color: #fff;
    margin-bottom: 12px;
}

.instagram-content p {
    font-size: 0.95rem;
    color: var(--text-muted);
    line-height: 1.6;
    margin-bottom: 24px;
}

.instagram-btn-large {
    padding: 14px 32px;
    font-size: 1rem;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    padding: 40px 0;
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.footer-brand {
    font-weight: 800;
    font-size: 1rem;
    color: var(--cyan);
    margin-bottom: 8px;
    letter-spacing: 1px;
}

.footer p {
    font-size: 0.8rem;
    color: var(--text-muted);
    line-height: 1.7;
}

.footer-disclaimer {
    margin-top: 12px;
    font-size: 0.72rem !important;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    opacity: 0.7;
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 768px) {
    .hero {
        padding: 60px 0 40px;
    }

    .profile h1 {
        font-size: 1.8rem;
    }

    .stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 14px;
        margin-top: 36px;
    }

    .stat-number {
        font-size: 1.6rem;
    }

    .courses-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .courses h2 {
        font-size: 1.6rem;
    }

    .instagram-box {
        flex-direction: column;
        text-align: center;
        gap: 24px;
        padding: 24px;
    }

    .instagram-img {
        max-width: 100%;
    }

    .instagram-btn-large {
        width: 100%;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .profile-img-wrapper {
        width: 120px;
        height: 120px;
    }

    .profile h1 {
        font-size: 1.5rem;
    }

    .stat-card {
        padding: 20px 12px;
    }

    .stat-number {
        font-size: 1.4rem;
    }

    .stat-label {
        font-size: 0.75rem;
    }

    .course-card {
        padding: 28px 20px;
    }

    .course-img {
        margin: -28px -20px 20px -20px;
        width: calc(100% + 40px);
    }

    .price-tag {
        font-size: 1.5rem;
    }
}