/* ===================================
   Enhanced About Page - Professional Design
   Mobile-First, Modern & Animated
   =================================== */

/* Root Variables */
:root {
    /* Colors */
    --primary: #0274be;
    --primary-dark: #003bb1;
    --primary-light: #00a8ff;
    --accent: #00d9ff;
    --text-dark: #1a202c;
    --text-body: #4a5568;
    --text-light: #718096;
    --bg-primary: #ffffff;
    --bg-secondary: #f7fafc;
    --bg-tertiary: #edf2f7;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #0274be 0%, #003bb1 100%);
    --gradient-accent: linear-gradient(135deg, #00a8ff 0%, #0274be 100%);
    --gradient-light: linear-gradient(135deg, rgba(2, 116, 190, 0.05) 0%, rgba(0, 59, 177, 0.05) 100%);
    
    /* Spacing (Mobile-First) */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2rem;
    --space-xl: 3rem;
    --space-2xl: 4rem;
    --space-3xl: 6rem;
    
    /* Typography */
    --font-primary: 'Segoe UI', -apple-system, BlinkMacSystemFont, 'Roboto', sans-serif;
    --font-secondary: 'Georgia', serif;
    
    /* Borders */
    --radius-sm: 0.5rem;
    --radius-md: 1rem;
    --radius-lg: 1.5rem;
    --radius-xl: 2rem;
    --radius-full: 50%;
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.15);
    --shadow-glow: 0 0 40px rgba(2, 116, 190, 0.3);
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
}

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

body {
    font-family: var(--font-primary);
    color: var(--text-body);
    background: var(--bg-secondary);
    line-height: 1.6;
    font-size: 16px;
    overflow-x: hidden;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-sm);
}

/* ===================================
   Hero Section
   =================================== */
.page-hero {
    position: relative;
    height: 60vh;
    min-height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background: var(--gradient-primary);
}

.hero-background {
    position: absolute;
    inset: 0;
    overflow: hidden;
}

.hero-shape {
    position: absolute;
    border-radius: var(--radius-full);
    opacity: 0.1;
    animation: float 20s infinite ease-in-out;
}

.hero-shape.shape-1 {
    width: 300px;
    height: 300px;
    background: var(--primary-light);
    top: -100px;
    left: -100px;
    animation-delay: 0s;
}

.hero-shape.shape-2 {
    width: 400px;
    height: 400px;
    background: var(--accent);
    bottom: -150px;
    right: -150px;
    animation-delay: 5s;
}

.hero-shape.shape-3 {
    width: 200px;
    height: 200px;
    background: var(--primary-light);
    top: 50%;
    right: 10%;
    animation-delay: 10s;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    25% { transform: translate(30px, -30px) scale(1.1); }
    50% { transform: translate(-20px, 20px) scale(0.9); }
    75% { transform: translate(20px, 30px) scale(1.05); }
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    color: white;
    padding: var(--space-lg);
}

.hero-title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 700;
    margin-bottom: var(--space-sm);
    animation: slideDown 0.8s ease-out;
}

.hero-subtitle {
    font-size: clamp(1rem, 2.5vw, 1.5rem);
    opacity: 0.95;
    font-weight: 300;
    margin-bottom: var(--space-xl);
    animation: slideDown 0.8s ease-out 0.2s both;
}

.hero-scroll {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-xs);
    cursor: pointer;
    animation: slideDown 0.8s ease-out 0.4s both;
    transition: var(--transition-base);
}

.hero-scroll:hover {
    transform: translateY(5px);
}

.hero-scroll i {
    animation: bounce 2s infinite;
}

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

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
    40% { transform: translateY(-10px); }
    60% { transform: translateY(-5px); }
}

/* ===================================
   Story Section
   =================================== */
.story-section {
    padding: var(--space-2xl) 0;
}

.story-card {
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    box-shadow: var(--shadow-lg);
    position: relative;
    overflow: hidden;
}

.story-visual {
    position: relative;
    height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-lg);
}

.floating-shapes {
    position: absolute;
    inset: 0;
}

.float-shape {
    position: absolute;
    opacity: 0.1;
}

.float-shape.shape-circle {
    width: 80px;
    height: 80px;
    background: var(--primary);
    border-radius: var(--radius-full);
    top: 20px;
    left: 20px;
    animation: float 15s infinite ease-in-out;
}

.float-shape.shape-square {
    width: 60px;
    height: 60px;
    background: var(--primary-light);
    border-radius: var(--radius-sm);
    bottom: 30px;
    right: 30px;
    animation: float 20s infinite ease-in-out 5s;
}

.float-shape.shape-triangle {
    width: 0;
    height: 0;
    border-left: 40px solid transparent;
    border-right: 40px solid transparent;
    border-bottom: 70px solid var(--accent);
    top: 50px;
    right: 50px;
    animation: float 18s infinite ease-in-out 3s;
}

.story-icon {
    position: relative;
    z-index: 1;
    width: 120px;
    height: 120px;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-xl);
}

.story-icon i {
    font-size: 3rem;
    color: white;
}

.section-title {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    color: var(--text-dark);
    font-weight: 700;
    text-align: center;
    margin-bottom: var(--space-lg);
}

.title-highlight {
    position: relative;
    display: inline-block;
}

.title-highlight::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--gradient-accent);
    border-radius: 2px;
}

.story-text {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-body);
    margin-bottom: var(--space-md);
    text-align: justify;
}

.mission-box {
    background: var(--gradient-light);
    border-radius: var(--radius-md);
    padding: var(--space-lg);
    border-left: 4px solid var(--primary);
    margin-top: var(--space-xl);
    position: relative;
}

.mission-icon {
    position: absolute;
    top: var(--space-md);
    right: var(--space-md);
    font-size: 2rem;
    color: var(--primary);
    opacity: 0.2;
}

.mission-quote {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--primary);
    font-style: italic;
    margin-bottom: var(--space-md);
    line-height: 1.6;
}

.mission-description {
    color: var(--text-body);
    font-size: 1rem;
    line-height: 1.7;
}

/* ===================================
   Foundation Section
   =================================== */
.foundation-section {
    padding: var(--space-2xl) 0;
    background: var(--bg-primary);
}

.foundation-content {
    display: grid;
    gap: var(--space-xl);
    align-items: center;
}

.foundation-text h2 {
    text-align: left;
    margin-bottom: var(--space-lg);
}

.foundation-description {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-body);
    margin-bottom: var(--space-lg);
}

.foundation-features {
    display: grid;
    gap: var(--space-md);
}

.feature-item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md);
    background: var(--gradient-light);
    border-radius: var(--radius-md);
    transition: var(--transition-base);
}

.feature-item:hover {
    transform: translateX(10px);
    box-shadow: var(--shadow-md);
}

.feature-item i {
    font-size: 1.5rem;
    color: var(--primary);
    flex-shrink: 0;
}

.feature-item span {
    font-weight: 500;
    color: var(--text-dark);
}

.foundation-image {
    position: relative;
}

.image-wrapper {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.image-wrapper img {
    width: 100%;
    height: auto;
    display: block;
    transition: var(--transition-slow);
}

.image-wrapper:hover img {
    transform: scale(1.05);
}

.image-overlay {
    position: absolute;
    inset: 0;
    background: var(--gradient-primary);
    opacity: 0;
    transition: var(--transition-base);
    pointer-events: none;
}

.image-wrapper:hover .image-overlay {
    opacity: 0.1;
}

/* ===================================
   Instructors Section
   =================================== */
.instructors-section {
    padding: var(--space-2xl) 0;
    background: var(--bg-secondary);
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-2xl);
}

.section-description {
    font-size: 1.1rem;
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto;
}

.instructors-grid {
    display: grid;
    gap: var(--space-lg);
}

.instructor-card {
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition-base);
    position: relative;
}

.instructor-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--gradient-light);
    opacity: 0;
    transition: var(--transition-base);
    pointer-events: none;
}

.instructor-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.instructor-card:hover::before {
    opacity: 1;
}

.instructor-header {
    padding: var(--space-lg) var(--space-lg) 0;
    display: flex;
    justify-content: center;
}

.instructor-image {
    position: relative;
    width: 120px;
    height: 120px;
    border-radius: var(--radius-full);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.instructor-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-base);
}

.instructor-card:hover .instructor-image img {
    transform: scale(1.1);
}

.image-border {
    position: absolute;
    inset: -4px;
    border-radius: var(--radius-full);
    background: var(--gradient-primary);
    z-index: -1;
}

.instructor-body {
    padding: var(--space-lg);
    text-align: center;
}

.instructor-body h3 {
    font-size: 1.25rem;
    color: var(--text-dark);
    margin-bottom: var(--space-xs);
    font-weight: 600;
}

.instructor-role {
    font-size: 0.9rem;
    color: var(--primary);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: var(--space-md);
}

.instructor-bio {
    font-size: 0.95rem;
    color: var(--text-light);
    line-height: 1.6;
}

/* ===================================
   Numbers Section
   =================================== */
.numbers-section {
    padding: var(--space-2xl) 0;
    background: var(--gradient-light);
}

.numbers-grid {
    display: grid;
    gap: var(--space-lg);
    max-width: 800px;
    margin: var(--space-xl) auto 0;
}

.number-card {
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    text-align: center;
    box-shadow: var(--shadow-md);
    position: relative;
    overflow: hidden;
    transition: var(--transition-base);
}

.number-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--gradient-primary);
    opacity: 0;
    transition: var(--transition-base);
}

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

.number-card:hover::before {
    opacity: 0.05;
}

.number-glow {
    position: absolute;
    inset: 0;
    opacity: 0;
    background: radial-gradient(circle, var(--primary-light) 0%, transparent 70%);
    transition: var(--transition-slow);
}

.number-card.completed .number-glow {
    opacity: 0.2;
}

.number-icon {
    font-size: 3rem;
    color: var(--primary);
    margin-bottom: var(--space-md);
    position: relative;
    z-index: 1;
}

.number-value {
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--primary-dark);
    margin: var(--space-sm) 0;
    position: relative;
    z-index: 1;
}

.number-label {
    font-size: 1.1rem;
    color: var(--text-body);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    position: relative;
    z-index: 1;
}

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

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

[data-animate="fade-left"] {
    transform: translateX(30px);
}

[data-animate="fade-left"].animated {
    transform: translateX(0);
}

/* ===================================
   Responsive Design - Tablet & Up
   =================================== */
@media (min-width: 640px) {
    :root {
        --space-xs: 0.75rem;
        --space-sm: 1.25rem;
        --space-md: 2rem;
        --space-lg: 3rem;
        --space-xl: 4rem;
        --space-2xl: 5rem;
        --space-3xl: 7rem;
    }

    .container {
        padding: 0 var(--space-md);
    }

    .instructors-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .numbers-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .foundation-features {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 768px) {
    .page-hero {
        height: 70vh;
        min-height: 500px;
    }

    .story-card {
        padding: var(--space-xl);
    }

    .foundation-content {
        grid-template-columns: 1fr 1fr;
    }

    .foundation-text h2 {
        text-align: left;
    }
}

@media (min-width: 1024px) {
    .instructors-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .instructor-image {
        width: 140px;
        height: 140px;
    }
}

/* ===================================
   Print Styles
   =================================== */
@media print {
    .page-hero,
    .hero-scroll,
    .floating-shapes,
    .float-shape,
    [data-animate] {
        animation: none !important;
        transform: none !important;
        opacity: 1 !important;
    }

    .number-card,
    .instructor-card,
    .story-card {
        box-shadow: none !important;
        border: 1px solid #ddd !important;
    }
}

/* ===================================
   Accessibility
   =================================== */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

.instructor-card:focus-within,
.number-card:focus-within {
    outline: 3px solid var(--primary);
    outline-offset: 4px;
}