/* ===========================
   PROFESSIONAL CERTIFICATION LANDING PAGE
   Clean Light-Grey Theme + Option B Light-Glass Overlays
   =========================== */

/* Reset & Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #0066FF;
    --primary-dark: #0052CC;
    --secondary: #00D9FF;
    --accent: #FF6B35;
    --success: #00C853;
    --whatsapp: #25D366;
    --dark: #1a1a1a;
    --text: #333333;
    --text-light: #666666;
    --bg-light: #f8f9fa;
    --bg-white: #ffffff;
    --border: #e0e0e0;
    --shadow: rgba(0, 0, 0, 0.1);
    --shadow-lg: rgba(0, 0, 0, 0.15);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--text);
    background: var(--bg-light);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.3;
    color: var(--dark);
}

h1 { font-size: 3rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 1.75rem; }
h4 { font-size: 1.25rem; }

a {
    text-decoration: none;
    color: var(--primary);
    transition: color 0.3s ease;
}

a:hover {
    color: var(--primary-dark);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 1rem;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: center;
}

.btn-lg {
    padding: 16px 40px;
    font-size: 1.125rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, #0052CC 100%);
    color: white;
    box-shadow: 0 4px 15px rgba(0, 102, 255, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 102, 255, 0.4);
}

.btn-secondary {
    background: white;
    color: var(--primary);
    border: 2px solid var(--primary);
}

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

.btn-whatsapp {
    background: linear-gradient(135deg, #25D366 0%, #128C7E 100%);
    color: white;
    border: 3px solid rgba(255, 255, 255, 0.9);
    animation: pulse 2s infinite;
    font-weight: 700;
    box-shadow: 0 4px 15px rgba(37, 211, 102, 0.4);
}

.btn-whatsapp:hover {
    transform: scale(1.05) rotate(5deg);
    box-shadow: 0 6px 25px rgba(37, 211, 102, 0.6);
    animation: none;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        box-shadow: 0 4px 15px rgba(37, 211, 102, 0.4);
    }
    50% {
        transform: scale(1.03);
        box-shadow: 0 6px 25px rgba(37, 211, 102, 0.6);
    }
}

.wa-icon {
    display: inline-block;
    margin-right: 8px;
    font-size: 1.2em;
}

/* Header */
.header {
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 10px var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--dark);
}

.nav-ctas {
    display: flex;
    gap: 15px;
    align-items: center;
}

/* Hero Section - With Real Image */
.hero {
    position: relative;
    min-height: 600px;
    display: flex;
    align-items: center;
    overflow: hidden;
    background: #f8f9fa;
}

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

.hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.35;
}

.hero-bg::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0, 102, 255, 0.1) 0%, rgba(0, 217, 255, 0.05) 100%);
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    padding: 60px 0;
}

.hero-title {
    font-size: 3.5rem;
    margin-bottom: 20px;
    line-height: 1.2;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text);
    margin-bottom: 40px;
    line-height: 1.6;
}

.hero-ctas {
    display: flex;
    gap: 20px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.hero-badges {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.badge {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    padding: 8px 16px;
    border-radius: 20px;
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--primary);
    border: 2px solid var(--primary);
}

/* Section Spacing */
section {
    padding: 80px 0;
}

.section-title {
    text-align: center;
    margin-bottom: 60px;
    font-size: 2.5rem;
}

/* Consultation Value Section */
.consultation-value {
    background: white;
}

.value-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.value-card {
    background: var(--bg-light);
    padding: 40px 30px;
    border-radius: 12px;
    text-align: center;
    transition: all 0.3s ease;
}

.value-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px var(--shadow-lg);
}

.value-icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.value-card h3 {
    margin-bottom: 15px;
    font-size: 1.25rem;
}

.value-card p {
    color: var(--text-light);
}

/* Certifications Section */
.certifications {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 50%, #f8f9fa 100%);
}

.cert-tabs {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 50px;
    flex-wrap: wrap;
}

.cert-tab {
    background: white;
    border: 2px solid var(--border);
    padding: 12px 24px;
    border-radius: 25px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.cert-tab:hover, .cert-tab.active {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: white;
    border-color: var(--primary);
}

.cert-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.cert-card {
    background: white;
    padding: 30px;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 4px 15px var(--shadow);
    transition: all 0.3s ease;
}

.cert-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px var(--shadow-lg);
}

.cert-card h3 {
    margin-bottom: 15px;
    color: var(--primary);
}

.cert-card p {
    margin-bottom: 20px;
    color: var(--text-light);
}

/* Mentoring Section - WITH OPTION B LIGHT-GLASS OVERLAY + Real Image */
.mentoring {
    position: relative;
    min-height: 600px;
    display: flex;
    align-items: center;
    overflow: hidden;
    background: #f5f5f5;
}

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

.mentoring-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.3;
}

.mentoring-content {
    position: relative;
    z-index: 1;
    width: 100%;
}

.mentoring-text {
    max-width: 900px;
    margin: 0 auto;
    padding: 60px;
    background: rgba(255, 255, 255, 0.75);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-radius: 20px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.5);
}

.mentoring-text h2 {
    margin-bottom: 40px;
    text-align: center;
    color: var(--dark);
    text-shadow: 0 2px 4px rgba(255, 255, 255, 0.8);
}

.mentoring-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 25px;
}

.step-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(8px);
    padding: 25px 20px;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    border: 1px solid rgba(0, 102, 255, 0.1);
}

.step-number {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: white;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 auto 15px;
}

.step-card h4 {
    margin-bottom: 10px;
    font-size: 1.125rem;
    color: var(--dark);
}

.step-card p {
    color: var(--text);
    font-size: 0.9375rem;
}

/* Stats Section - WITH OPTION B LIGHT-GLASS OVERLAY + Real Image */
.stats {
    position: relative;
    min-height: 400px;
    display: flex;
    align-items: center;
    overflow: hidden;
    background: #e1f5fe;
}

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

.stats-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.4;
}

.stats .container {
    position: relative;
    z-index: 1;
}

.stats-strip {
    display: flex;
    justify-content: space-around;
    align-items: center;
    gap: 40px;
    padding: 50px 60px;
    background: rgba(255, 255, 255, 0.70);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-radius: 20px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
    border: 2px solid rgba(0, 217, 255, 0.3);
}

.stat-card {
    text-align: center;
}

.stat-number {
    font-size: 3rem;
    font-weight: 800;
    color: var(--secondary);
    text-shadow: 0 2px 8px rgba(0, 217, 255, 0.4), 0 0 20px rgba(0, 217, 255, 0.2);
    line-height: 1.1;
    margin-bottom: 10px;
}

.stat-label {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--dark);
    text-shadow: 0 1px 3px rgba(255, 255, 255, 0.8);
}

/* Form Section */
.form-section, .cta-section {
    background: white;
    position: relative;
}

.cta-section {
    position: relative;
    min-height: 500px;
    display: flex;
    align-items: center;
    overflow: hidden;
    background: #f3e5f5;
}

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

.cta-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.2;
}

.cta-section .container {
    position: relative;
    z-index: 1;
}

.form-card {
    max-width: 800px;
    margin: 0 auto;
    padding: 50px;
    background: white;
    border-radius: 16px;
    box-shadow: 0 10px 40px var(--shadow-lg);
}

.form-card h2 {
    text-align: center;
    margin-bottom: 15px;
}

.form-intro {
    text-align: center;
    color: var(--text-light);
    margin-bottom: 40px;
}

.lead-form {
    width: 100%;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-bottom: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    min-width: 0;
    width: 100%;
    max-width: 100%;
}

.form-group.full-width {
    grid-column: 1 / -1;
}

.form-group label {
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--dark);
    font-size: 0.9375rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    max-width: 100%;
    min-width: 0;
    padding: 12px 16px;
    border: 2px solid var(--border);
    border-radius: 8px;
    font-size: 1rem;
    font-family: inherit;
    transition: all 0.3s ease;
    box-sizing: border-box;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(0, 102, 255, 0.1);
}

.form-group textarea {
    resize: vertical;
}

.checkbox-group {
    margin: 20px 0;
}

.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    cursor: pointer;
    font-size: 0.9375rem;
}

.checkbox-label input[type="checkbox"] {
    margin-top: 3px;
    width: auto;
    min-width: auto;
}

.checkbox-label span {
    flex: 1;
}

.form-alt {
    text-align: center;
    margin-top: 30px;
    padding-top: 30px;
    border-top: 2px solid var(--border);
}

.form-alt p {
    margin-bottom: 15px;
    color: var(--text-light);
}

/* Social Proof Section */
.social-proof {
    background: var(--bg-light);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.testimonial-card {
    background: white;
    padding: 40px 30px;
    border-radius: 12px;
    box-shadow: 0 4px 15px var(--shadow);
}

.quote {
    font-size: 1.125rem;
    line-height: 1.6;
    margin-bottom: 20px;
    font-style: italic;
    color: var(--text);
}

.quote::before {
    content: '"';
    font-size: 3rem;
    color: var(--secondary);
    line-height: 0;
    display: block;
    margin-bottom: 10px;
}

.author strong {
    display: block;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 5px;
}

.author span {
    font-size: 0.9375rem;
    color: var(--text-light);
}

/* FAQ Section */
.faq {
    background: white;
}

.faq-list {
    max-width: 900px;
    margin: 0 auto;
}

.faq-item {
    border-bottom: 1px solid var(--border);
    margin-bottom: 15px;
}

.faq-question {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
    background: none;
    border: none;
    text-align: left;
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--dark);
    cursor: pointer;
    transition: color 0.3s ease;
}

.faq-question:hover {
    color: var(--primary);
}

.faq-icon {
    font-size: 1.5rem;
    font-weight: 300;
    transition: transform 0.3s ease;
}

.faq-item.active .faq-icon {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-item.active .faq-answer {
    max-height: 300px;
    padding-bottom: 20px;
}

.faq-answer p {
    color: var(--text-light);
    line-height: 1.7;
}

/* Footer */
.footer {
    background: var(--dark);
    color: white;
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h4 {
    color: white;
    margin-bottom: 20px;
}

.footer-section p,
.footer-section ul {
    color: rgba(255, 255, 255, 0.8);
}

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

.footer-section ul li {
    margin-bottom: 10px;
}

.footer-section a {
    color: rgba(255, 255, 255, 0.8);
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: var(--secondary);
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.6);
}

/* Floating WhatsApp Button */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 65px;
    height: 65px;
    background: linear-gradient(135deg, #25D366 0%, #128C7E 100%);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.5);
    z-index: 999;
    transition: all 0.3s ease;
    animation: pulse 2s infinite;
    border: 3px solid white;
}

.whatsapp-float:hover {
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 8px 30px rgba(37, 211, 102, 0.7);
    animation: none;
}

/* Responsive Design */
@media (max-width: 1024px) {
    h1 { font-size: 2.5rem; }
    h2 { font-size: 2rem; }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
}

@media (max-width: 768px) {
    .form-grid {
        grid-template-columns: 1fr;
    }
    
    .nav-ctas {
        flex-direction: column;
        gap: 10px;
    }
    
    .hero-ctas {
        flex-direction: column;
        gap: 15px;
    }
    
    .btn, .btn-lg {
        width: 100%;
    }
    
    h1 { font-size: 2rem; }
    h2 { font-size: 1.75rem; }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .form-card {
        padding: 30px 20px;
    }
    
    .mentoring-text {
        padding: 30px 20px;
    }
    
    .stats-strip {
        flex-direction: column;
        gap: 30px;
        padding: 30px 20px;
    }
    
    .stat-number {
        font-size: 2.25rem;
    }
    
    .stat-label {
        font-size: 1rem;
    }
    
    .whatsapp-float {
        width: 55px;
        height: 55px;
        font-size: 1.75rem;
        bottom: 20px;
        right: 20px;
    }
    
    .cert-tabs {
        gap: 10px;
    }
    
    .cert-tab {
        padding: 10px 18px;
        font-size: 0.9375rem;
    }
}

@media (max-width: 480px) {
    section {
        padding: 50px 0;
    }
    
    h1 { font-size: 1.75rem; }
    h2 { font-size: 1.5rem; }
    
    .hero-title {
        font-size: 1.75rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
}