/* TecnoBase Academy - Stylesheet */
/* Bootstrap 5.3 + Custom Styles - GDPR/Google Ads Compliant */

:root {
    --primary: #4361ee;
    --primary-dark: #3f37c9;
    --accent: #4cc9f0;
    --bg-light: #f8f9fa;
    --text-dark: #212529;
    --text-muted: #6c757d;
    --success: #4ade80;
    --gradient: linear-gradient(135deg, #4361ee 0%, #3f37c9 100%);
}

body {
    font-family: 'Poppins', sans-serif;
    color: var(--text-dark);
    line-height: 1.6;
    padding-top: 76px;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Playfair Display', serif;
    font-weight: 700;
}

/* Navbar */
.navbar {
    background: rgba(255, 255, 255, 0.95);
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
}

.navbar.scrolled {
    padding: 0.5rem 0;
    background: rgba(255, 255, 255, 0.98);
}

.navbar-brand {
    font-weight: 700;
    color: var(--primary) !important;
    font-size: 1.5rem;
}

.nav-link {
    font-weight: 500;
    color: var(--text-dark) !important;
    margin: 0 0.25rem;
    transition: color 0.2s;
}

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

/* Hero Section */
.hero {
    background: var(--gradient);
    color: white;
    padding: 5rem 0;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="20" cy="20" r="2" fill="rgba(255,255,255,0.1)"/><circle cx="80" cy="40" r="3" fill="rgba(255,255,255,0.1)"/><circle cx="40" cy="80" r="2" fill="rgba(255,255,255,0.1)"/></svg>');
    opacity: 0.3;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1.5rem;
}

.hero p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.95;
}

/* Buttons */
.btn-primary {
    background: var(--gradient);
    border: none;
    padding: 0.75rem 2rem;
    font-weight: 600;
    transition: transform 0.2s, box-shadow 0.2s;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(67, 97, 238, 0.4);
}

.btn-outline-primary {
    border: 2px solid white;
    color: white;
    padding: 0.75rem 2rem;
    font-weight: 600;
}

.btn-outline-primary:hover {
    background: white;
    color: var(--primary);
}

/* Cards */
.card {
    border: none;
    border-radius: 12px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
    transition: transform 0.3s, box-shadow 0.3s;
    overflow: hidden;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0,0,0,0.12);
}

.card-img-top {
    height: 200px;
    object-fit: cover;
}

.card-body {
    padding: 1.5rem;
}

/* Stats Section */
.stats {
    background: var(--bg-light);
    padding: 3rem 0;
}

.stat-item {
    text-align: center;
    padding: 1rem;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary);
    font-family: 'Playfair Display', serif;
}

.stat-label {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* Services Section */
.service-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

/* Process Steps */
.process-step {
    position: relative;
    padding-left: 3rem;
    margin-bottom: 2rem;
}

.process-step::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    width: 40px;
    height: 40px;
    background: var(--gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 600;
}

.process-step:nth-child(1)::before { content: '1'; }
.process-step:nth-child(2)::before { content: '2'; }
.process-step:nth-child(3)::before { content: '3'; }
.process-step:nth-child(4)::before { content: '4'; }

/* Team Section */
.team-member {
    text-align: center;
    padding: 1rem;
}

.team-member img {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    object-fit: cover;
    margin-bottom: 1rem;
    border: 4px solid var(--accent);
}

.team-member h5 {
    margin-bottom: 0.25rem;
}

.team-member .role {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* Blog Section */
.blog-card {
    margin-bottom: 2rem;
}

.blog-card .card-img-top {
    height: 180px;
}

.blog-meta {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
}

/* Contact Form */
.form-control, .form-select {
    padding: 0.75rem 1rem;
    border: 2px solid #e9ecef;
    border-radius: 8px;
    transition: border-color 0.2s;
}

.form-control:focus, .form-select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 0.25rem rgba(67, 97, 238, 0.15);
}

.form-check-input:checked {
    background-color: var(--primary);
    border-color: var(--primary);
}

/* Footer */
footer {
    background: var(--text-dark);
    color: rgba(255,255,255,0.85);
    padding: 3rem 0 1rem;
    margin-top: 4rem;
}

footer a {
    color: rgba(255,255,255,0.85);
    text-decoration: none;
    transition: color 0.2s;
}

footer a:hover {
    color: var(--accent);
}

footer h5 {
    color: white;
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 1.5rem;
    margin-top: 2rem;
    font-size: 0.9rem;
}

/* Cookie Banner */
.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: white;
    box-shadow: 0 -2px 20px rgba(0,0,0,0.15);
    padding: 1rem 2rem;
    z-index: 1050;
    display: none;
}

.cookie-banner.show {
    display: block;
    animation: slideUp 0.3s ease;
}

@keyframes slideUp {
    from { transform: translateY(100%); }
    to { transform: translateY(0); }
}

.cookie-banner .btn {
    padding: 0.5rem 1.5rem;
    font-size: 0.9rem;
}

/* Legal Pages */
.legal-content {
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem 0;
}

.legal-content h2 {
    margin: 2rem 0 1rem;
    color: var(--primary);
}

.legal-content h3 {
    margin: 1.5rem 0 0.75rem;
    font-size: 1.25rem;
}

.legal-content ul {
    padding-left: 1.5rem;
    margin-bottom: 1rem;
}

.legal-content li {
    margin-bottom: 0.5rem;
}

/* Responsive */
@media (max-width: 768px) {
    .hero h1 { font-size: 2.25rem; }
    .hero p { font-size: 1.1rem; }
    .stat-number { font-size: 2rem; }
    .cookie-banner { padding: 1rem; }
}

/* Accessibility */
a:focus, button:focus, .form-control:focus {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

/* Skip link */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--primary);
    color: white;
    padding: 0.5rem 1rem;
    z-index: 100;
    transition: top 0.2s;
}

.skip-link:focus {
    top: 0;
}

/* Image lazy loading placeholder */
img[loading="lazy"] {
    background: var(--bg-light);
    min-height: 200px;
}

/* Form validation */
.is-invalid {
    border-color: #dc3545 !important;
}

.is-invalid:focus {
    box-shadow: 0 0 0 0.25rem rgba(220, 53, 69, 0.15) !important;
}

.form-check.is-invalid .form-check-input {
    border-color: #dc3545;
}