/* ========================================================
   PORTAL DE PROGRAMAÇÃO WEB - ESTILOS PRINCIPAIS
   Prof. Ábner Lucas · IFPA Campus Breves
   ======================================================== */

:root {
    --bg-page: #f8fafc;
    --bg-card: #ffffff;
    --bg-surface: #f1f5f9;
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --primary-light: #dbeafe;
    --accent: #0d9488;
    --accent-light: #ccfbf1;
    --orange: #ea580c;
    --orange-light: #ffedd5;
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #64748b;
    --border-color: #e2e8f0;
    --border-light: #f1f5f9;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 18px;
    --radius-full: 9999px;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
    --shadow-lg: 0 10px 25px -3px rgba(15, 23, 42, 0.08), 0 4px 10px -4px rgba(15, 23, 42, 0.04);
    --shadow-hover: 0 20px 30px -5px rgba(15, 23, 42, 0.12);
    --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

/* RESET E PADRÕES */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--bg-page);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

img {
    max-width: 100%;
    display: block;
}

a {
    color: inherit;
    text-decoration: none;
}

/* ================= NAVBAR ================= */
.navbar {
    position: sticky;
    top: 0;
    z-index: 100;
    background-color: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 14px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
}

.brand-badge {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: #ffffff;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    font-weight: 700;
    padding: 4px 8px;
    border-radius: var(--radius-sm);
}

.brand-text strong {
    color: var(--primary);
}

.nav-links {
    display: flex;
    gap: 28px;
}

.nav-link {
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--text-secondary);
    padding: 6px 0;
    position: relative;
    transition: var(--transition);
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary);
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--primary);
    border-radius: 2px;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.teacher-tag {
    background-color: var(--bg-surface);
    color: var(--text-secondary);
    font-size: 0.82rem;
    font-weight: 600;
    padding: 6px 14px;
    border-radius: var(--radius-full);
    border: 1px solid var(--border-color);
}

.mobile-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    flex-direction: column;
    gap: 5px;
    padding: 6px;
}

.mobile-toggle span {
    display: block;
    width: 24px;
    height: 2.5px;
    background-color: var(--text-primary);
    border-radius: 2px;
    transition: var(--transition);
}

/* ================= HERO SECTION ================= */
.hero-section {
    padding: 70px 24px 80px;
    background: linear-gradient(180deg, #ffffff 0%, var(--bg-page) 100%);
    border-bottom: 1px solid var(--border-color);
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 50px;
    align-items: center;
}

.badge-pill {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    background-color: var(--primary-light);
    color: var(--primary-dark);
    font-size: 0.85rem;
    font-weight: 700;
    border-radius: var(--radius-full);
    margin-bottom: 20px;
}

.dot-live {
    width: 8px;
    height: 8px;
    background-color: #22c55e;
    border-radius: 50%;
    box-shadow: 0 0 0 3px rgba(34, 197, 94, 0.25);
    animation: pulseDot 2s infinite;
}

@keyframes pulseDot {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(0.9); }
}

.hero-title {
    font-size: 3rem;
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -0.02em;
    color: var(--text-primary);
    margin-bottom: 18px;
}

.hero-title span {
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: 1.15rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 30px;
    max-width: 580px;
}

.hero-buttons {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
    margin-bottom: 40px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-weight: 700;
    font-size: 0.95rem;
    padding: 12px 24px;
    border-radius: var(--radius-md);
    transition: var(--transition);
    cursor: pointer;
    border: none;
}

.btn-primary {
    background-color: var(--primary);
    color: #ffffff;
    box-shadow: 0 4px 14px rgba(37, 99, 235, 0.35);
}

.btn-primary:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(37, 99, 235, 0.4);
}

.btn-secondary {
    background-color: #ffffff;
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
    background-color: var(--bg-surface);
    border-color: #cbd5e1;
    transform: translateY(-2px);
}

.hero-stats {
    display: flex;
    align-items: center;
    gap: 24px;
    padding-top: 24px;
    border-top: 1px solid var(--border-color);
}

.stat-item {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-primary);
}

.stat-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    font-weight: 600;
}

.stat-divider {
    width: 1px;
    height: 32px;
    background-color: var(--border-color);
}

/* CODE PREVIEW WINDOW */
.code-preview-window {
    background: #0f172a;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    border: 1px solid #1e293b;
}

.window-header {
    background: #1e293b;
    padding: 12px 18px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.window-dots {
    display: flex;
    gap: 6px;
}

.dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.dot-red { background: #ef4444; }
.dot-yellow { background: #f59e0b; }
.dot-green { background: #10b981; }

.window-title {
    color: #94a3b8;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.8rem;
}

.window-body {
    padding: 24px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.88rem;
    color: #e2e8f0;
}

.code-line {
    margin-bottom: 6px;
    line-height: 1.6;
}

.indent-1 {
    padding-left: 20px;
}

.code-keyword { color: #f43f5e; font-weight: 600; }
.code-var { color: #38bdf8; }
.code-prop { color: #a78bfa; }
.code-str { color: #34d399; }

.code-status-box {
    margin-top: 20px;
    padding: 12px 16px;
    background: rgba(16, 185, 129, 0.12);
    border: 1px solid rgba(16, 185, 129, 0.3);
    border-radius: var(--radius-sm);
    color: #6ee7b7;
    font-size: 0.82rem;
    display: flex;
    align-items: center;
    gap: 10px;
}

.pulse-icon {
    font-weight: 800;
}

/* ================= SECTIONS GERAIS ================= */
.section {
    padding: 80px 24px;
}

.section-container {
    max-width: 1200px;
    margin: 0 auto;
}

.section-header {
    text-align: center;
    max-width: 650px;
    margin: 0 auto 40px;
}

.section-tag {
    display: inline-block;
    color: var(--primary);
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 8px;
}

.section-title {
    font-size: 2.2rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.section-desc {
    color: var(--text-secondary);
    font-size: 1.05rem;
}

/* ================= PROJETOS SECTION ================= */
.filter-bar {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.filter-btn {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    padding: 8px 20px;
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--transition);
}

.filter-btn:hover {
    background-color: var(--bg-surface);
    color: var(--text-primary);
}

.filter-btn.active {
    background-color: var(--primary);
    color: #ffffff;
    border-color: var(--primary);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
    gap: 30px;
}

.project-card {
    background-color: var(--bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.project-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-hover);
    border-color: #cbd5e1;
}

.project-badge-top {
    padding: 16px 20px 10px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.badge {
    font-size: 0.78rem;
    font-weight: 700;
    padding: 4px 10px;
    border-radius: var(--radius-full);
}

.badge-accent {
    background-color: var(--accent-light);
    color: var(--accent);
}

.badge-brand {
    background-color: var(--orange-light);
    color: var(--orange);
}

.badge-subtle {
    background-color: var(--bg-surface);
    color: var(--text-muted);
}

.badge-eval {
    background-color: #e0e7ff;
    color: #4338ca;
}

/* Capa da 3ª Avaliação feita só com CSS (sem imagem externa) */
.project-media-eval {
    background: linear-gradient(135deg, #1e3a8a 0%, #4f46e5 55%, #0d9488 100%);
}

.eval-cover {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 6px;
    padding: 24px 28px 40px;
    color: #ffffff;
    transition: transform 0.4s ease;
}

.project-card:hover .eval-cover {
    transform: scale(1.03);
}

.eval-cover-kicker {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: #c7d2fe;
}

.eval-cover strong {
    font-size: 1.35rem;
    line-height: 1.25;
}

.eval-cover-flow {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    color: #99f6e4;
}

.project-media {
    position: relative;
    height: 200px;
    overflow: hidden;
    background-color: #e2e8f0;
}

.project-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.project-card:hover .project-media img {
    transform: scale(1.05);
}

.media-overlay {
    position: absolute;
    bottom: 12px;
    left: 16px;
}

.overlay-tag {
    background: rgba(15, 23, 42, 0.75);
    backdrop-filter: blur(4px);
    color: #ffffff;
    font-size: 0.75rem;
    font-weight: 600;
    padding: 4px 10px;
    border-radius: var(--radius-sm);
}

.project-body {
    padding: 24px 20px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.project-title {
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 10px;
}

.project-summary {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.55;
    margin-bottom: 20px;
    flex: 1;
}

.highlight {
    background-color: var(--bg-surface);
    padding: 2px 6px;
    border-radius: 4px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    color: var(--primary);
}

.tech-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 8px;
}

.tech-tag {
    background-color: var(--bg-surface);
    color: var(--text-muted);
    font-size: 0.8rem;
    font-weight: 600;
    padding: 4px 10px;
    border-radius: var(--radius-sm);
}

.project-footer {
    padding: 16px 20px 20px;
    background-color: #fafbfd;
    border-top: 1px solid var(--border-color);
    display: flex;
    gap: 12px;
}

.btn-card-primary {
    flex: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background-color: var(--primary);
    color: #ffffff;
    font-weight: 700;
    font-size: 0.92rem;
    padding: 11px 16px;
    border-radius: var(--radius-md);
    transition: var(--transition);
}

.btn-card-primary:hover {
    background-color: var(--primary-dark);
}

.btn-card-primary span {
    transition: transform 0.2s ease;
}

.btn-card-primary:hover span {
    transform: translateX(4px);
}

.btn-card-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background-color: #ffffff;
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    font-weight: 700;
    font-size: 0.92rem;
    padding: 11px 16px;
    border-radius: var(--radius-md);
    transition: var(--transition);
}

.btn-card-secondary:hover {
    background-color: var(--bg-surface);
}

/* ================= MATERIAIS SECTION ================= */
.materials-section {
    background-color: #ffffff;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.materials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
    gap: 24px;
}

.material-card {
    background-color: var(--bg-page);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 24px;
    display: flex;
    gap: 20px;
    align-items: flex-start;
    transition: var(--transition);
}

.material-card:hover {
    border-color: #cbd5e1;
    box-shadow: var(--shadow-md);
}

.material-icon {
    font-size: 2.2rem;
    background: #ffffff;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    flex-shrink: 0;
}

.material-info {
    flex: 1;
}

.material-info h4 {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 6px;
}

.material-info p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.5;
    margin-bottom: 12px;
}

.material-meta {
    font-size: 0.8rem;
    color: var(--text-muted);
    font-weight: 600;
}

.material-action {
    display: flex;
    align-items: center;
}

.btn-download-file {
    background-color: #ffffff;
    color: var(--primary);
    border: 1px solid var(--primary);
    font-weight: 700;
    font-size: 0.88rem;
    padding: 8px 16px;
    border-radius: var(--radius-md);
    transition: var(--transition);
    white-space: nowrap;
}

.btn-download-file:hover {
    background-color: var(--primary);
    color: #ffffff;
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.25);
}

/* ================= TIMELINE SECTION ================= */
.timeline-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 24px;
}

.timeline-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 28px 24px;
    box-shadow: var(--shadow-sm);
    position: relative;
    transition: var(--transition);
}

.timeline-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary);
}

.step-badge {
    display: inline-block;
    background-color: var(--primary-light);
    color: var(--primary-dark);
    font-size: 0.75rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 4px 10px;
    border-radius: var(--radius-full);
    margin-bottom: 16px;
}

.timeline-card h3 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 10px;
}

.timeline-card p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.5;
}

/* ================= FOOTER ================= */
.footer {
    background-color: #0f172a;
    color: #94a3b8;
    padding: 60px 24px 30px;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 30px;
}

.footer-brand h3 {
    color: #ffffff;
    font-family: 'JetBrains Mono', monospace;
    font-size: 1.4rem;
    margin-bottom: 6px;
}

.footer-brand p {
    font-size: 0.95rem;
    max-width: 450px;
}

.footer-info {
    text-align: right;
    font-size: 0.95rem;
}

.footer-info strong {
    color: #ffffff;
}

.footer-bottom {
    max-width: 1200px;
    margin: 0 auto;
    padding-top: 24px;
    border-top: 1px solid #1e293b;
    text-align: center;
    font-size: 0.85rem;
    color: #64748b;
}

/* ================= RESPONSIVIDADE ================= */
@media (max-width: 992px) {
    .hero-container {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .materials-grid {
        grid-template-columns: 1fr;
    }

    .footer-info {
        text-align: left;
    }
}

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

    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: #ffffff;
        flex-direction: column;
        padding: 20px 24px;
        gap: 16px;
        border-bottom: 1px solid var(--border-color);
        box-shadow: var(--shadow-lg);
    }

    .nav-links.active {
        display: flex;
    }

    .teacher-tag {
        display: none;
    }

    .hero-section {
        padding: 50px 20px 60px;
    }

    .hero-title {
        font-size: 2.1rem;
    }

    .projects-grid {
        grid-template-columns: 1fr;
    }

    .material-card {
        flex-direction: column;
        gap: 16px;
    }

    .btn-download-file {
        width: 100%;
        text-align: center;
    }
}