/* Base Variables */
:root {
    /* Light Mode Colors */
    --bg-primary: #ffffff;
    --bg-secondary: #f8f9fa;
    --text-primary: #1a1a1a;
    --text-secondary: #666666;
    --accent-primary: #ff6b35;
    --accent-secondary: #7209b7;
    --accent-tertiary: #f72585;
    --border-color: #e0e0e0;
    --shadow: rgba(0, 0, 0, 0.1);
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;
    
    /* Typography */
    --font-primary: 'Inter', sans-serif;
    --font-tamil: 'Noto Sans Tamil', sans-serif;
    
    /* Transitions */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Dark Mode */
body.dark-mode {
    --bg-primary: #0a0a0a;
    --bg-secondary: #1a1a1a;
    --text-primary: #ffffff;
    --text-secondary: #a0a0a0;
    --accent-primary: #ff8a65;
    --accent-secondary: #9c27b0;
    --accent-tertiary: #f48fb1;
    --border-color: #333333;
    --shadow: rgba(255, 255, 255, 0.1);
}

/* Fun Mode Overrides */
body.fun-mode {
    --accent-primary: #ff006e;
    --accent-secondary: #ffbe0b;
    --accent-tertiary: #3a86ff;
    --font-primary: 'Comic Sans MS', cursive;
}

body.fun-mode.dark-mode {
    --accent-primary: #ff4d94;
    --accent-secondary: #ffd60a;
    --accent-tertiary: #4cc9f0;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    transition: var(--transition);
    overflow-x: hidden;
}

/* Language-specific font */
body.tamil {
    font-family: var(--font-tamil);
}

/* Hide/Show language content */
/* Only hide elements that have ONLY data-ta attribute (standalone Tamil content) */
[data-ta]:not([data-en]) {
    display: none;
}

/* Only hide elements that have ONLY data-en attribute when in Tamil mode */
body.tamil [data-en]:not([data-ta]) {
    display: none;
}

/* Show standalone Tamil content when in Tamil mode */
body.tamil [data-ta]:not([data-en]) {
    display: initial;
}

/* Navigation */
.nav-container {
    position: fixed;
    top: 0;
    width: 100%;
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
    padding: var(--spacing-sm) var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 1000;
    backdrop-filter: blur(10px);
    background: rgba(var(--bg-primary), 0.9);
}

.nav-logo {
    font-size: 2.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

body.fun-mode .nav-logo {
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 100% { transform: translateY(0) rotate(0); }
    25% { transform: translateY(-10px) rotate(-5deg); }
    75% { transform: translateY(-10px) rotate(5deg); }
}

.nav-links {
    display: flex;
    gap: var(--spacing-md);
}

.nav-links a {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-primary);
    transition: width 0.3s ease;
}

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

body.fun-mode .nav-links a::after {
    height: 3px;
    background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary), var(--accent-tertiary));
}

/* Toggle Buttons */
.nav-toggles {
    display: flex;
    gap: var(--spacing-sm);
}

.toggle-group {
    position: relative;
}

.toggle-btn {
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: 20px;
    padding: 8px 16px;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-primary);
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 4px;
}

.toggle-btn:hover {
    background: var(--accent-primary);
    color: white;
    border-color: var(--accent-primary);
}

body.fun-mode .toggle-btn {
    border-radius: 50px;
    border-width: 3px;
    font-weight: 700;
}

body.fun-mode .toggle-btn:hover {
    transform: scale(1.1) rotate(5deg);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding-top: 80px;
    background: var(--bg-primary);
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at 20% 50%, var(--accent-primary) 0%, transparent 50%),
                radial-gradient(circle at 80% 80%, var(--accent-secondary) 0%, transparent 50%),
                radial-gradient(circle at 40% 20%, var(--accent-tertiary) 0%, transparent 50%);
    opacity: 0.05;
    animation: float 20s ease-in-out infinite;
}

body.fun-mode .hero::before {
    opacity: 0.15;
    animation: float 10s ease-in-out infinite, rainbow 5s linear infinite;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    33% { transform: translate(30px, -30px) rotate(120deg); }
    66% { transform: translate(-20px, 20px) rotate(240deg); }
}

@keyframes rainbow {
    0% { filter: hue-rotate(0deg); }
    100% { filter: hue-rotate(360deg); }
}

.hero-content {
    text-align: center;
    z-index: 1;
    position: relative;
}

.tamil-char-container {
    position: relative;
    display: inline-block;
    margin-bottom: var(--spacing-md);
}

.tamil-char {
    font-size: clamp(8rem, 20vw, 16rem);
    font-weight: 800;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary), var(--accent-tertiary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradient-shift 8s ease infinite;
    position: relative;
}

body.fun-mode .tamil-char {
    animation: gradient-shift 2s ease infinite, wiggle 0.5s ease-in-out infinite;
}

@keyframes gradient-shift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

@keyframes wiggle {
    0%, 100% { transform: rotate(-3deg); }
    50% { transform: rotate(3deg); }
}

.char-particles {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 100%;
    height: 100%;
    transform: translate(-50%, -50%);
    pointer-events: none;
}

.hero-title {
    margin-bottom: var(--spacing-sm);
}

.name-en {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 800;
    display: block;
    margin-bottom: 0.5rem;
}

.name-ta {
    font-size: clamp(1.5rem, 4vw, 2.5rem);
    font-family: var(--font-tamil);
    opacity: 0.8;
    display: block;
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
}

body.fun-mode .hero-subtitle {
    background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary), var(--accent-tertiary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-weight: 700;
}

/* CTA Buttons */
.hero-cta {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    flex-wrap: wrap;
}

.cta-primary,
.cta-secondary {
    padding: 12px 32px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    display: inline-block;
}

.cta-primary {
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    color: white;
    box-shadow: 0 4px 15px var(--shadow);
}

.cta-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px var(--shadow);
}

.cta-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 2px solid var(--border-color);
}

.cta-secondary:hover {
    background: var(--bg-secondary);
    border-color: var(--accent-primary);
}

body.fun-mode .cta-primary {
    border-radius: 50px;
    background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary), var(--accent-tertiary));
    animation: pulse 2s infinite;
}

body.fun-mode .cta-secondary {
    border-radius: 50px;
    border-width: 3px;
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

/* Fixed Scroll Navigator */
.scroll-navigator {
    position: fixed;
    right: 2rem;
    top: 50%;
    transform: translateY(-50%);
    z-index: 999;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
}

.scroll-indicator {
    width: 30px;
    height: 50px;
    border: 2px solid var(--accent-primary);
    border-radius: 25px;
    display: flex;
    justify-content: center;
    padding-top: 8px;
    cursor: pointer;
    transition: var(--transition);
    background: var(--bg-primary);
}

.scroll-indicator:hover {
    transform: scale(1.1);
    background: var(--accent-primary);
}

.scroll-indicator:hover .scroll-dot {
    background: white;
}

.scroll-dot {
    width: 4px;
    height: 8px;
    background: var(--accent-primary);
    border-radius: 2px;
    animation: scroll-bounce 2s infinite;
}

.nav-dots {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-top: var(--spacing-sm);
}

.nav-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--border-color);
    cursor: pointer;
    transition: var(--transition);
}

.nav-dot:hover,
.nav-dot.active {
    background: var(--accent-primary);
    transform: scale(1.5);
}

@keyframes scroll-bounce {
    0%, 100% { transform: translateY(0); opacity: 1; }
    50% { transform: translateY(15px); opacity: 0.3; }
}

/* Floating Action Menu */
.floating-menu {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    z-index: 998;
}

.fab-main {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    border: none;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
    box-shadow: 0 4px 15px var(--shadow);
    transition: var(--transition);
    position: relative;
    z-index: 2;
}

.fab-main:hover {
    transform: scale(1.1) rotate(45deg);
}

.fab-icon {
    transition: transform 0.3s ease;
}

.floating-menu.active .fab-icon {
    transform: rotate(45deg);
}

.fab-options {
    position: absolute;
    bottom: 70px;
    right: 0;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: var(--transition);
}

.floating-menu.active .fab-options {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.fab-option {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: 8px 16px;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 25px;
    text-decoration: none;
    color: var(--text-primary);
    white-space: nowrap;
    transition: var(--transition);
    position: relative;
}

.fab-option:hover {
    background: var(--accent-primary);
    color: white;
    transform: translateX(-5px);
}

.fab-label {
    order: 1;
}

.fab-option .fab-icon {
    order: 2;
    font-size: 1.2rem;
}

/* Sections */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

section {
    padding: var(--spacing-xl) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.section-header h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    margin-bottom: var(--spacing-sm);
    background: linear-gradient(135deg, var(--text-primary), var(--accent-primary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

body.fun-mode .section-header h2 {
    animation: color-change 3s infinite;
}

@keyframes color-change {
    0% { filter: hue-rotate(0deg); }
    100% { filter: hue-rotate(360deg); }
}

.section-line {
    width: 88px;
    height: 4px;
    background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
    margin: 0 auto;
    border-radius: 2px;
}

body.fun-mode .section-line {
    height: 8px;
    border-radius: 4px;
    animation: expand-contract 2s infinite;
}

@keyframes expand-contract {
    0%, 100% { width: 88px; }
    50% { width: 188px; }
}

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

.about-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

.about-card {
    background: var(--bg-primary);
    padding: var(--spacing-md);
    border-radius: 16px;
    text-align: center;
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

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

body.fun-mode .about-card {
    border-radius: 30px;
    border-width: 3px;
    position: relative;
    overflow: hidden;
}

body.fun-mode .about-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent, var(--accent-primary), transparent);
    opacity: 0;
    transition: opacity 0.3s;
}

body.fun-mode .about-card:hover::before {
    opacity: 0.1;
    animation: shine 0.5s;
}

@keyframes shine {
    0% { transform: translateX(-100%) translateY(-100%); }
    100% { transform: translateX(100%) translateY(100%); }
}

.about-card.featured {
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    color: white;
}

.card-number,
.card-letter,
.card-symbol {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: var(--spacing-sm);
    display: block;
}

.card-letter {
    font-family: var(--font-tamil);
}

.about-card h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
}

/* Ventures Section - Octagon Layout */
.ventures-octagon {
    position: relative;
    width: min(500px, 90vw);
    height: min(500px, 90vw);
    margin: 0 auto;
}

.venture-item {
    position: absolute;
    width: 100px;
    height: 100px;
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: 16px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: var(--transition);
    cursor: pointer;
}

body.fun-mode .venture-item {
    border-radius: 50%;
    border-width: 3px;
}

/* Octagon positioning */
.venture-item[data-index="1"] { top: 0; left: 50%; transform: translateX(-50%); }
.venture-item[data-index="2"] { top: 15%; right: 15%; }
.venture-item[data-index="3"] { top: 50%; right: 0; transform: translateY(-50%); }
.venture-item[data-index="4"] { bottom: 15%; right: 15%; }
.venture-item[data-index="5"] { bottom: 0; left: 50%; transform: translateX(-50%); }
.venture-item[data-index="6"] { bottom: 15%; left: 15%; }
.venture-item[data-index="7"] { top: 50%; left: 0; transform: translateY(-50%); }
.venture-item[data-index="8"] { top: 15%; left: 15%; }

.venture-item:hover {
    transform: scale(1.1) translateX(var(--translate-x, 0)) translateY(var(--translate-y, 0));
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    color: white;
    border-color: transparent;
    z-index: 10;
}

/* Fix hover transforms for positioned items */
.venture-item[data-index="1"]:hover { --translate-x: -50%; }
.venture-item[data-index="3"]:hover { --translate-y: -50%; }
.venture-item[data-index="5"]:hover { --translate-x: -50%; }
.venture-item[data-index="7"]:hover { --translate-y: -50%; }

body.fun-mode .venture-item:hover {
    animation: spin 0.5s ease-in-out;
}

@keyframes spin {
    0% { transform: scale(1.1) rotate(0deg); }
    100% { transform: scale(1.1) rotate(360deg); }
}

.venture-icon {
    font-size: 2rem;
}

.venture-item h3 {
    font-size: 0.9rem;
    font-weight: 600;
}

/* Philosophy Section */
.philosophy {
    background: var(--bg-secondary);
}

.principles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-sm);
    max-width: 888px;
    margin: 0 auto;
}

.principle {
    background: var(--bg-primary);
    padding: var(--spacing-sm);
    border-radius: 8px;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    transition: var(--transition);
}

.principle:hover {
    transform: translateX(8px);
    box-shadow: 0 4px 15px var(--shadow);
}

body.fun-mode .principle {
    border-radius: 20px;
    border: 2px solid var(--border-color);
}

body.fun-mode .principle:nth-child(odd) {
    background: linear-gradient(135deg, rgba(var(--accent-primary), 0.1), transparent);
}

body.fun-mode .principle:nth-child(even) {
    background: linear-gradient(135deg, rgba(var(--accent-secondary), 0.1), transparent);
}

.principle-number {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    color: white;
    border-radius: 50%;
    font-weight: 700;
    flex-shrink: 0;
}

/* Connect Section */
.social-octagon {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    margin-bottom: var(--spacing-lg);
}

.social-link {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    color: var(--text-primary);
    transition: var(--transition);
}

body.fun-mode .social-link {
    border-radius: 50%;
    border-width: 3px;
}

.social-link:hover {
    transform: translateY(-5px) rotate(5deg);
    border-color: var(--accent-primary);
    color: var(--accent-primary);
}

body.fun-mode .social-link:hover {
    animation: bounce-rotate 0.5s ease-in-out;
}

@keyframes bounce-rotate {
    0% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-10px) rotate(180deg); }
    100% { transform: translateY(-5px) rotate(360deg); }
}

.social-link svg {
    width: 24px;
    height: 24px;
}

.contact-info {
    text-align: center;
}

.contact-info p {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
}

.email-link {
    display: inline-block;
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--accent-primary);
    text-decoration: none;
    transition: var(--transition);
}

.email-link:hover {
    transform: scale(1.05);
}

/* Footer */
.footer {
    background: var(--bg-secondary);
    padding: var(--spacing-md) 0;
    border-top: 1px solid var(--border-color);
}

.footer-content {
    text-align: center;
}

.footer-logo {
    font-size: 2rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-sm);
}

.copyright {
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.footer-note {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .nav-toggles {
        flex-wrap: wrap;
        gap: 0.5rem;
    }
    
    .toggle-btn {
        padding: 6px 12px;
        font-size: 0.8rem;
    }
    
    .ventures-octagon {
        width: min(400px, 90vw);
        height: min(400px, 90vw);
    }
    
    .venture-item {
        width: 80px;
        height: 80px;
    }
    
    .venture-icon {
        font-size: 1.5rem;
    }
    
    .venture-item h3 {
        font-size: 0.75rem;
    }
    
    .hero-cta {
        flex-direction: column;
        align-items: center;
    }
    
    .cta-primary,
    .cta-secondary {
        width: 200px;
    }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    * {
        animation: none !important;
        transition: none !important;
    }
}

/* Print styles */
@media print {
    .nav-container,
    .scroll-indicator,
    .nav-toggles {
        display: none;
    }
    
    body {
        background: white;
        color: black;
    }
}

/* Venture Details Modal */
.venture-details {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1001;
    padding: var(--spacing-md);
}

.venture-details.active {
    display: flex;
}

.close-details {
    position: absolute;
    top: 2rem;
    right: 2rem;
    width: 48px;
    height: 48px;
    background: var(--bg-primary);
    border: 2px solid var(--border-color);
    border-radius: 50%;
    font-size: 1.5rem;
    cursor: pointer;
    transition: var(--transition);
}

.close-details:hover {
    background: var(--accent-primary);
    color: white;
    transform: rotate(90deg);
}

.details-content {
    background: var(--bg-primary);
    border-radius: 20px;
    padding: var(--spacing-lg);
    max-width: 600px;
    max-height: 80vh;
    overflow-y: auto;
    animation: slideUp 0.3s ease;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.venture-detail {
    display: none;
}

.venture-detail.active {
    display: block;
}

.venture-detail h3 {
    font-size: 2rem;
    margin-bottom: var(--spacing-sm);
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.venture-detail p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    font-size: 1.1rem;
}

.venture-detail ul {
    list-style: none;
}

.venture-detail li {
    padding: var(--spacing-xs) 0;
    padding-left: 1.5rem;
    position: relative;
}

.venture-detail li::before {
    content: "▸";
    position: absolute;
    left: 0;
    color: var(--accent-primary);
    font-weight: bold;
}

/* Enhanced Principles */
.principle {
    cursor: pointer;
    position: relative;
    overflow: hidden;
    transition: var(--transition);
}

.principle:hover {
    background: var(--bg-secondary);
    transform: translateY(-2px);
}

.principle-detail {
    display: none;
    background: var(--bg-secondary);
    margin-top: var(--spacing-sm);
    padding: var(--spacing-sm);
    border-radius: 8px;
    border-left: 3px solid var(--accent-primary);
    animation: slideDown 0.3s ease;
}

.principle.active .principle-detail {
    display: block;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.principle-detail p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin: 0;
}

/* Timeline Section */
.timeline {
    background: var(--bg-secondary);
    position: relative;
}

.timeline-container {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    padding: var(--spacing-md) 0;
}

.timeline-line {
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--accent-primary);
    transform: translateX(-50%);
}

.timeline-item {
    position: relative;
    width: 48%;
    padding: var(--spacing-md) 0;
}

.timeline-item.left {
    left: 0;
    text-align: right;
    padding-right: var(--spacing-lg);
}

.timeline-item.right {
    left: 52%;
    padding-left: var(--spacing-lg);
}

.timeline-item::before {
    content: attr(data-year);
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 60px;
    height: 60px;
    background: var(--accent-primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    z-index: 2;
}

.timeline-item.left::before {
    right: -30px;
}

.timeline-item.right::before {
    left: -30px;
}

.timeline-content {
    background: var(--bg-primary);
    padding: var(--spacing-md);
    border-radius: 16px;
    box-shadow: 0 4px 15px var(--shadow);
    transition: var(--transition);
}

.timeline-content:hover {
    transform: scale(1.05);
    box-shadow: 0 8px 25px var(--shadow);
}

.timeline-content h3 {
    margin-bottom: var(--spacing-xs);
    color: var(--accent-primary);
}

/* Skills Section */
.skills-octagon {
    position: relative;
    max-width: 600px;
    margin: 0 auto;
}

#skillsChart {
    width: 100%;
    height: 400px;
}

.skills-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.skill-item {
    position: relative;
}

.skill-item h4 {
    margin-bottom: var(--spacing-xs);
    font-size: 1rem;
}

.skill-bar {
    height: 8px;
    background: var(--bg-secondary);
    border-radius: 4px;
    overflow: hidden;
    position: relative;
}

.skill-progress {
    height: 100%;
    background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
    border-radius: 4px;
    width: 0;
    transition: width 1.5s ease;
}

.skill-item.animate .skill-progress {
    /* Width is set via JavaScript */
}

/* Testimonials Section */
.testimonials {
    background: var(--bg-primary);
}

.testimonials-carousel {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    min-height: 300px;
}

.testimonial-card {
    position: absolute;
    width: 100%;
    top: 0;
    left: 0;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.testimonial-card.active {
    opacity: 1;
    visibility: visible;
}

.quote-icon {
    font-size: 3rem;
    color: var(--accent-primary);
    margin-bottom: var(--spacing-sm);
}

.testimonial-card p {
    font-size: 1.25rem;
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
    font-style: italic;
}

.testimonial-author h4 {
    font-size: 1.1rem;
    margin-bottom: 0.25rem;
}

.testimonial-author p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-style: normal;
}

.carousel-nav {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.carousel-prev,
.carousel-next {
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    transition: var(--transition);
    font-size: 1.2rem;
}

.carousel-prev:hover,
.carousel-next:hover {
    background: var(--accent-primary);
    color: white;
}

.carousel-dots {
    display: flex;
    gap: var(--spacing-xs);
}

.dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--border-color);
    cursor: pointer;
    transition: var(--transition);
}

.dot.active {
    background: var(--accent-primary);
    width: 24px;
    border-radius: 4px;
}

/* Enhanced Contact Section */
.contact-section {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.contact-info-main {
    padding: var(--spacing-lg);
}

.contact-tagline {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-lg);
    color: var(--text-secondary);
}

.contact-details {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-md);
}

.contact-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-secondary);
    border-radius: 25px;
    transition: var(--transition);
}

.contact-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px var(--shadow);
}

.contact-item.large {
    padding: var(--spacing-md) var(--spacing-lg);
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    color: white;
}

.contact-item.large .email-link {
    color: white;
    font-size: 1.25rem;
}

.contact-icon {
    font-size: 1.5rem;
}

/* Mobile Responsive Updates */
@media (max-width: 768px) {
    .scroll-navigator {
        right: 1rem;
    }
    
    .floating-menu {
        bottom: 1rem;
        right: 1rem;
    }
    
    .timeline-item {
        width: 100%;
        padding-left: var(--spacing-lg) !important;
        padding-right: 0 !important;
        text-align: left !important;
        left: 0 !important;
    }
    
    .timeline-line {
        left: 20px;
    }
    
    .timeline-item::before {
        left: -10px !important;
        right: auto !important;
    }
    
    .contact-details {
        flex-direction: column;
        align-items: center;
    }
    
    .contact-item {
        width: 100%;
        max-width: 300px;
        justify-content: center;
    }
}