/* Corporate Version - Professional Light Theme */
:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --primary-light: #3b82f6;
    --secondary: #0891b2;
    --accent: #7c3aed;
    --success: #059669;
    --bg-light: #ffffff;
    --bg-soft: #f8fafc;
    --bg-muted: #f1f5f9;
    --text-dark: #0f172a;
    --text-primary: #1e293b;
    --text-secondary: #475569;
    --text-muted: #94a3b8;
    --border-color: #e2e8f0;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-light);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Navigation */
.nav-bar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 80px;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    z-index: 100;
    transition: all 0.3s ease;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    height: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand {
    display: flex;
    flex-direction: column;
    text-decoration: none;
}

.brand-name {
    font-family: 'Playfair Display', serif;
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-dark);
}

.brand-title {
    font-size: 0.75rem;
    color: var(--text-muted);
    letter-spacing: 0.5px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    padding: 8px 0;
    position: relative;
    transition: color 0.3s ease;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: width 0.3s ease;
}

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

.nav-link:hover::after {
    width: 100%;
}

.nav-link.security-switch {
    color: var(--text-dark);
    background: var(--bg-muted);
    padding: 10px 20px;
    border-radius: 8px;
    margin-left: 16px;
    transition: all 0.3s ease;
}

.nav-link.security-switch::after {
    display: none;
}

.nav-link.security-switch:hover {
    background: var(--text-dark);
    color: var(--bg-light);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 10px;
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text-dark);
    transition: all 0.3s ease;
}

.mobile-menu {
    display: none;
    position: fixed;
    top: 80px;
    left: 0;
    right: 0;
    background: var(--bg-light);
    padding: 24px;
    flex-direction: column;
    gap: 16px;
    z-index: 99;
    border-bottom: 1px solid var(--border-color);
    box-shadow: var(--shadow-lg);
}

.mobile-menu.active {
    display: flex;
}

.mobile-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 1rem;
    font-weight: 500;
    padding: 16px;
    border-radius: 8px;
    text-align: center;
    transition: all 0.3s ease;
}

.mobile-link:hover {
    background: var(--bg-muted);
    color: var(--primary);
}

.mobile-link.security-switch {
    background: var(--text-dark);
    color: var(--bg-light);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding: 120px 24px 80px;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    overflow: hidden;
    z-index: 0;
}

.gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.4;
}

.orb-1 {
    width: 600px;
    height: 600px;
    background: linear-gradient(135deg, var(--primary-light), var(--secondary));
    top: -200px;
    right: -100px;
    animation: float 20s ease-in-out infinite;
}

.orb-2 {
    width: 400px;
    height: 400px;
    background: linear-gradient(135deg, var(--accent), var(--primary));
    bottom: -100px;
    left: -100px;
    animation: float 15s ease-in-out infinite reverse;
}

.orb-3 {
    width: 300px;
    height: 300px;
    background: linear-gradient(135deg, var(--secondary), var(--success));
    top: 50%;
    left: 30%;
    animation: float 18s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(30px, -30px) scale(1.05); }
    66% { transform: translate(-20px, 20px) scale(0.95); }
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
    position: relative;
    z-index: 10;
}

.hero-content {
    max-width: 600px;
}

.hero-badge {
    display: inline-block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--primary);
    background: rgba(37, 99, 235, 0.1);
    padding: 8px 16px;
    border-radius: 50px;
    margin-bottom: 24px;
}

.hero-name {
    font-family: 'Playfair Display', serif;
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    color: var(--text-dark);
    line-height: 1.1;
    margin-bottom: 16px;
}

.hero-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 24px;
}

.hero-subtitle {
    font-size: 1.15rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 40px;
}

.hero-metrics {
    display: flex;
    align-items: center;
    gap: 32px;
    margin-bottom: 48px;
    flex-wrap: wrap;
}

.metric {
    display: flex;
    flex-direction: column;
}

.metric-value {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-dark);
    line-height: 1;
}

.metric-plus {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--primary);
}

.metric-label {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-top: 8px;
}

.metric-divider {
    width: 1px;
    height: 50px;
    background: var(--border-color);
}

.hero-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.btn {
    font-size: 0.95rem;
    font-weight: 600;
    padding: 16px 32px;
    text-decoration: none;
    border-radius: 12px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s ease;
}

.btn-primary {
    background: var(--primary);
    color: var(--bg-light);
    box-shadow: 0 4px 14px rgba(37, 99, 235, 0.4);
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.5);
}

.btn-secondary {
    background: var(--bg-light);
    color: var(--text-dark);
    border: 2px solid var(--border-color);
}

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

.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.profile-frame {
    position: relative;
    width: 320px;
    height: 320px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.profile-initials {
    width: 200px;
    height: 200px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'Playfair Display', serif;
    font-size: 4rem;
    font-weight: 700;
    color: var(--bg-light);
    box-shadow: var(--shadow-xl);
    z-index: 5;
}

.profile-ring {
    position: absolute;
    border-radius: 50%;
    border: 2px solid var(--border-color);
}

.ring-1 {
    width: 240px;
    height: 240px;
    animation: pulse-ring 3s ease-out infinite;
}

.ring-2 {
    width: 280px;
    height: 280px;
    animation: pulse-ring 3s ease-out infinite 1s;
}

.ring-3 {
    width: 320px;
    height: 320px;
    animation: pulse-ring 3s ease-out infinite 2s;
}

@keyframes pulse-ring {
    0% { transform: scale(1); opacity: 0.3; }
    50% { transform: scale(1.05); opacity: 0.1; }
    100% { transform: scale(1); opacity: 0.3; }
}

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
}

.scroll-indicator span {
    font-size: 0.8rem;
    color: var(--text-muted);
    letter-spacing: 1px;
}

.scroll-line {
    width: 1px;
    height: 40px;
    background: var(--border-color);
    position: relative;
    overflow: hidden;
}

.scroll-line::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 20px;
    background: var(--primary);
    animation: scroll-down 2s ease-in-out infinite;
}

@keyframes scroll-down {
    0% { transform: translateY(-20px); }
    100% { transform: translateY(60px); }
}

/* Sections */
.section {
    padding: 100px 24px;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 2px;
    display: block;
    margin-bottom: 16px;
}

.section-title {
    font-family: 'Playfair Display', serif;
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    color: var(--text-dark);
}

/* About Section */
.about-section {
    background: var(--bg-soft);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.about-card.main-card {
    background: var(--bg-light);
    padding: 48px;
    border-radius: 24px;
    box-shadow: var(--shadow-lg);
}

.about-lead {
    font-size: 1.25rem;
    color: var(--text-dark);
    line-height: 1.8;
    margin-bottom: 24px;
}

.about-text {
    font-size: 1.05rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 16px;
}

.about-text:last-child {
    margin-bottom: 0;
}

.about-text strong {
    color: var(--text-dark);
}

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

.highlight-card {
    background: var(--bg-light);
    padding: 32px;
    border-radius: 16px;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
}

.highlight-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.highlight-icon {
    width: 48px;
    height: 48px;
    background: rgba(37, 99, 235, 0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.highlight-icon svg {
    width: 24px;
    height: 24px;
    color: var(--primary);
}

.highlight-card h3 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 12px;
}

.highlight-card p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Expertise Section */
.expertise-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
}

.expertise-card {
    background: var(--bg-light);
    padding: 40px;
    border-radius: 20px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.expertise-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s ease;
}

.expertise-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
    border-color: transparent;
}

.expertise-card:hover::before {
    transform: scaleX(1);
}

.expertise-number {
    font-size: 4rem;
    font-weight: 800;
    color: var(--bg-muted);
    line-height: 1;
    margin-bottom: 16px;
}

.expertise-title {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 24px;
}

.expertise-list {
    list-style: none;
    margin-bottom: 24px;
}

.expertise-list li {
    font-size: 0.95rem;
    color: var(--text-secondary);
    padding: 10px 0;
    border-bottom: 1px solid var(--border-color);
    padding-left: 20px;
    position: relative;
}

.expertise-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 6px;
    height: 6px;
    background: var(--primary);
    border-radius: 50%;
}

.expertise-list li:last-child {
    border-bottom: none;
}

.expertise-progress {
    margin-top: auto;
}

.progress-bar {
    height: 4px;
    background: var(--bg-muted);
    border-radius: 2px;
    overflow: hidden;
    position: relative;
}

.progress-bar::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    width: 0;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    border-radius: 2px;
    transition: width 1.5s ease-out;
}

.progress-bar.animated::after {
    width: var(--progress);
}

/* Experience Section */
.experience-section {
    background: var(--bg-soft);
}

.experience-timeline {
    max-width: 900px;
    margin: 0 auto;
}

.experience-item {
    display: grid;
    grid-template-columns: 180px 1fr;
    gap: 40px;
    margin-bottom: 48px;
    position: relative;
}

.experience-item::after {
    content: '';
    position: absolute;
    left: 180px;
    top: 0;
    bottom: -48px;
    width: 1px;
    background: var(--border-color);
}

.experience-item:last-child::after {
    display: none;
}

.experience-date {
    text-align: right;
    padding-right: 40px;
    position: relative;
}

.experience-date::after {
    content: '';
    position: absolute;
    right: -5px;
    top: 8px;
    width: 10px;
    height: 10px;
    background: var(--primary);
    border-radius: 50%;
    border: 3px solid var(--bg-soft);
}

.date-range {
    display: block;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-dark);
}

.date-current {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--primary);
    background: rgba(37, 99, 235, 0.1);
    padding: 4px 12px;
    border-radius: 50px;
    margin-top: 8px;
}

.experience-content {
    background: var(--bg-light);
    padding: 32px;
    border-radius: 16px;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
}

.experience-content:hover {
    box-shadow: var(--shadow-xl);
}

.experience-header {
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border-color);
}

.experience-role {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 8px;
}

.experience-company {
    font-size: 0.95rem;
    color: var(--primary);
    font-weight: 500;
}

.achievement-item {
    display: flex;
    gap: 16px;
    margin-bottom: 16px;
}

.achievement-item:last-child {
    margin-bottom: 0;
}

.achievement-icon {
    color: var(--success);
    font-weight: 700;
    flex-shrink: 0;
}

.achievement-item p {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

.achievement-item p strong {
    color: var(--text-dark);
}

/* Credentials Section */
.credentials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 24px;
}

.credential-card {
    background: var(--bg-light);
    padding: 32px;
    border-radius: 16px;
    border: 1px solid var(--border-color);
    text-align: center;
    transition: all 0.3s ease;
}

.credential-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}

.credential-icon {
    width: 60px;
    height: 60px;
    background: rgba(37, 99, 235, 0.1);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.credential-icon svg {
    width: 28px;
    height: 28px;
    color: var(--primary);
}

.credential-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 12px;
}

.credential-detail {
    font-size: 0.95rem;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.credential-sub {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.credential-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    justify-content: center;
}

.tag {
    font-size: 0.8rem;
    color: var(--text-secondary);
    background: var(--bg-muted);
    padding: 6px 14px;
    border-radius: 50px;
}

/* Contact Section */
.contact-section {
    background: var(--bg-soft);
}

.contact-content {
    max-width: 900px;
    margin: 0 auto;
}

.contact-intro {
    text-align: center;
    margin-bottom: 48px;
}

.contact-intro p {
    font-size: 1.15rem;
    color: var(--text-secondary);
    line-height: 1.8;
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 24px;
}

.contact-card {
    background: var(--bg-light);
    padding: 32px;
    border-radius: 16px;
    text-align: center;
    text-decoration: none;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.contact-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary);
}

.contact-icon {
    width: 56px;
    height: 56px;
    background: rgba(37, 99, 235, 0.1);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    transition: all 0.3s ease;
}

.contact-card:hover .contact-icon {
    background: var(--primary);
}

.contact-icon svg {
    width: 26px;
    height: 26px;
    color: var(--primary);
    transition: all 0.3s ease;
}

.contact-card:hover .contact-icon svg {
    color: var(--bg-light);
}

.contact-label {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 8px;
}

.contact-value {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-dark);
}

/* Footer */
.footer {
    background: var(--text-dark);
    padding: 60px 24px;
    color: var(--bg-light);
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 24px;
    text-align: center;
}

.footer-name {
    font-family: 'Playfair Display', serif;
    font-size: 1.25rem;
    font-weight: 600;
    display: block;
    margin-bottom: 4px;
}

.footer-title {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.footer-links {
    display: flex;
    gap: 32px;
}

.footer-link {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.3s ease;
}

.footer-link:hover {
    color: var(--bg-light);
}

.footer-copy {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* Responsive */
@media (max-width: 992px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 60px;
    }
    
    .hero-content {
        max-width: 100%;
    }
    
    .hero-metrics {
        justify-content: center;
    }
    
    .hero-actions {
        justify-content: center;
    }
    
    .about-content {
        grid-template-columns: 1fr;
    }
    
    .about-highlights {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .experience-item {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    
    .experience-item::after {
        left: 16px;
        top: 40px;
    }
    
    .experience-date {
        text-align: left;
        padding-right: 0;
        padding-left: 40px;
    }
    
    .experience-date::after {
        left: 11px;
        right: auto;
    }
    
    .experience-content {
        margin-left: 40px;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .hero {
        padding: 120px 20px 60px;
    }
    
    .hero-metrics {
        flex-direction: column;
        gap: 24px;
    }
    
    .metric-divider {
        display: none;
    }
    
    .section {
        padding: 60px 20px;
    }
    
    .about-card.main-card {
        padding: 32px;
    }
    
    .about-highlights {
        grid-template-columns: 1fr;
    }
    
    .profile-frame {
        width: 240px;
        height: 240px;
    }
    
    .profile-initials {
        width: 150px;
        height: 150px;
        font-size: 3rem;
    }
    
    .ring-1 { width: 180px; height: 180px; }
    .ring-2 { width: 210px; height: 210px; }
    .ring-3 { width: 240px; height: 240px; }
}

@media (max-width: 480px) {
    .hero-actions {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
    
    .credentials-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
}

/* Animation Classes */
[data-aos] {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-aos].aos-animate {
    opacity: 1;
    transform: translateY(0);
}