/* =============================================
   AJAY PRASANNA RAO - PORTFOLIO STYLES
   A sophisticated, medical-themed design
   ============================================= */

/* CSS Variables */
:root {
    /* Colors - Deep teal/green medical palette with warm accents */
    --color-primary: #0a4d4a;
    --color-primary-light: #127872;
    --color-primary-dark: #063634;
    --color-accent: #d4a574;
    --color-accent-light: #e8c9a8;
    --color-accent-dark: #b8864e;
    
    --color-bg: #faf9f7;
    --color-bg-alt: #f3f1ed;
    --color-bg-dark: #1a1a1a;
    --color-bg-darker: #0f0f0f;
    
    --color-text: #2c2c2c;
    --color-text-light: #5a5a5a;
    --color-text-muted: #8a8a8a;
    --color-text-white: #ffffff;
    
    /* Typography */
    --font-display: 'Cormorant Garamond', Georgia, serif;
    --font-body: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
    
    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 2rem;
    --space-xl: 4rem;
    --space-2xl: 6rem;
    --space-3xl: 8rem;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-medium: 0.4s ease;
    --transition-slow: 0.6s ease;
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(10, 77, 74, 0.08);
    --shadow-md: 0 4px 20px rgba(10, 77, 74, 0.12);
    --shadow-lg: 0 8px 40px rgba(10, 77, 74, 0.16);
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    --radius-xl: 24px;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-body);
    font-weight: 400;
    line-height: 1.7;
    color: var(--color-text);
    background-color: var(--color-bg);
    overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 600;
    line-height: 1.2;
}

h1 { font-size: clamp(2.5rem, 6vw, 5rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.25rem, 2vw, 1.75rem); }
h4 { font-size: clamp(1rem, 1.5vw, 1.25rem); }

p { margin-bottom: var(--space-md); }
p:last-child { margin-bottom: 0; }

a {
    color: inherit;
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

/* =============================================
   NAVIGATION
   ============================================= */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: var(--space-md) 0;
    transition: all var(--transition-medium);
}

.navbar.scrolled {
    background: rgba(250, 249, 247, 0.95);
    backdrop-filter: blur(20px);
    box-shadow: var(--shadow-sm);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

.nav-logo {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
    letter-spacing: 2px;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
    list-style: none;
}

.nav-link {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-text);
    position: relative;
    padding: var(--space-xs) 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-accent);
    transition: width var(--transition-fast);
}

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

.nav-cta {
    background: var(--color-primary);
    color: var(--color-text-white) !important;
    padding: var(--space-sm) var(--space-md) !important;
    border-radius: var(--radius-md);
}

.nav-cta::after {
    display: none;
}

.nav-cta:hover {
    background: var(--color-primary-light);
}

.nav-cv {
    background: transparent;
    color: var(--color-primary) !important;
    padding: var(--space-sm) var(--space-md) !important;
    border-radius: var(--radius-md);
    border: 2px solid var(--color-accent);
}

.nav-cv::after {
    display: none;
}

.nav-cv:hover {
    background: var(--color-accent);
    color: var(--color-primary-dark) !important;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-sm);
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-primary);
    transition: all var(--transition-fast);
}

/* =============================================
   HERO SECTION
   ============================================= */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    padding: var(--space-3xl) var(--space-lg);
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero-gradient {
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(ellipse at 20% 80%, rgba(10, 77, 74, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 20%, rgba(212, 165, 116, 0.1) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 50%, rgba(18, 120, 114, 0.05) 0%, transparent 70%);
}

.hero-pattern {
    position: absolute;
    inset: 0;
    opacity: 0.4;
    background-image: 
        radial-gradient(circle at 2px 2px, rgba(10, 77, 74, 0.15) 1px, transparent 0);
    background-size: 40px 40px;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: center;
    max-width: 1200px;
    width: 100%;
    position: relative;
    z-index: 1;
}

.hero-text {
    animation: fadeInUp 1s ease forwards;
}

.hero-greeting {
    font-size: 1.1rem;
    color: var(--color-accent-dark);
    font-weight: 500;
    letter-spacing: 3px;
    text-transform: uppercase;
    margin-bottom: var(--space-sm);
}

.hero-name {
    color: var(--color-primary);
    margin-bottom: var(--space-md);
    letter-spacing: -1px;
}

.hero-title {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
}

.hero-title p {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-style: italic;
    color: var(--color-text-light);
    margin: 0;
}

.title-line {
    flex: 1;
    height: 1px;
    background: linear-gradient(90deg, var(--color-accent), transparent);
}

.title-line:last-child {
    background: linear-gradient(90deg, transparent, var(--color-accent));
}

.hero-tagline {
    font-size: 1.1rem;
    color: var(--color-text-light);
    max-width: 500px;
    margin-bottom: var(--space-xl);
}

.hero-cta {
    display: flex;
    gap: var(--space-md);
    flex-wrap: wrap;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-md) var(--space-lg);
    font-family: var(--font-body);
    font-size: 0.95rem;
    font-weight: 500;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    border: none;
}

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

.btn-primary:hover {
    background: var(--color-primary-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

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

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

/* Hero Visual */
.hero-visual {
    display: flex;
    justify-content: center;
    animation: fadeInUp 1s ease 0.3s forwards;
    opacity: 0;
}

.hero-card {
    background: var(--color-text-white);
    border-radius: var(--radius-xl);
    padding: var(--space-xl);
    box-shadow: var(--shadow-lg);
    position: relative;
    overflow: hidden;
}

.hero-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
}

.card-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-lg);
}

.card-icon svg {
    width: 30px;
    height: 30px;
    color: var(--color-text-white);
}

.card-stats {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.stat {
    text-align: center;
    padding: var(--space-md);
    background: var(--color-bg-alt);
    border-radius: var(--radius-md);
}

.stat-number {
    display: block;
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-primary);
    line-height: 1;
}

.stat-label {
    font-size: 0.85rem;
    color: var(--color-text-light);
    margin-top: var(--space-xs);
    display: block;
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: var(--space-xl);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
    animation: fadeIn 1s ease 1s forwards;
    opacity: 0;
}

.scroll-indicator span {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    letter-spacing: 2px;
    text-transform: uppercase;
}

.scroll-arrow {
    width: 20px;
    height: 30px;
    border: 2px solid var(--color-accent);
    border-radius: 10px;
    position: relative;
}

.scroll-arrow::after {
    content: '';
    position: absolute;
    top: 6px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 8px;
    background: var(--color-accent);
    border-radius: 2px;
    animation: scrollBounce 1.5s ease infinite;
}

/* =============================================
   SECTION STYLES
   ============================================= */
section {
    padding: var(--space-3xl) 0;
}

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

.section-header.light {
    color: var(--color-text-white);
}

.section-tag {
    display: inline-block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-accent-dark);
    text-transform: uppercase;
    letter-spacing: 3px;
    margin-bottom: var(--space-sm);
}

.section-header.light .section-tag {
    color: var(--color-accent-light);
}

.section-title {
    color: var(--color-primary);
    position: relative;
    display: inline-block;
}

.section-header.light .section-title {
    color: var(--color-text-white);
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: var(--color-accent);
    border-radius: 2px;
}

/* =============================================
   ABOUT SECTION
   ============================================= */
.about {
    background: var(--color-bg);
}

.about-content {
    display: grid;
    grid-template-columns: 350px 1fr;
    gap: var(--space-2xl);
    align-items: start;
}

.about-image {
    position: sticky;
    top: 120px;
}

.image-frame {
    position: relative;
}

.profile-photo {
    width: 100%;
    aspect-ratio: 4/5;
    object-fit: cover;
    border-radius: var(--radius-lg);
    display: block;
}

.frame-accent {
    position: absolute;
    top: 20px;
    left: 20px;
    right: -20px;
    bottom: -20px;
    border: 3px solid var(--color-accent);
    border-radius: var(--radius-lg);
    z-index: -1;
}

.about-text {
    padding-top: var(--space-md);
}

.about-intro {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 500;
    color: var(--color-primary);
    line-height: 1.5;
    margin-bottom: var(--space-lg);
}

.about-details {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-lg);
    margin-top: var(--space-xl);
    padding-top: var(--space-lg);
    border-top: 1px solid rgba(10, 77, 74, 0.1);
}

.detail-item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.95rem;
    color: var(--color-text-light);
}

.detail-icon {
    font-size: 1.2rem;
}

/* =============================================
   EDUCATION SECTION
   ============================================= */
.education {
    background: var(--color-bg-alt);
}

.timeline {
    max-width: 900px;
    margin: 0 auto var(--space-2xl);
    position: relative;
    padding-left: 200px;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 180px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, var(--color-accent), var(--color-primary));
}

.timeline-item {
    display: flex;
    gap: var(--space-xl);
    margin-bottom: var(--space-xl);
    position: relative;
}

.timeline-marker {
    position: absolute;
    left: -200px;
    width: 160px;
    text-align: right;
    padding-right: var(--space-lg);
}

.timeline-marker::after {
    content: '';
    position: absolute;
    right: -26px;
    top: 8px;
    width: 14px;
    height: 14px;
    background: var(--color-accent);
    border-radius: 50%;
    border: 3px solid var(--color-bg-alt);
    box-shadow: 0 0 0 3px var(--color-accent);
}

.year {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-primary);
}

.timeline-content {
    flex: 1;
    background: var(--color-text-white);
    padding: var(--space-lg);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    margin-left: var(--space-lg);
}

.timeline-content h3 {
    color: var(--color-primary);
    margin-bottom: var(--space-sm);
}

.timeline-subtitle {
    font-weight: 500;
    color: var(--color-accent-dark);
    margin-bottom: var(--space-sm);
}

.board-tag {
    display: inline-block;
    margin-top: var(--space-md);
    padding: var(--space-xs) var(--space-md);
    background: var(--color-primary);
    color: var(--color-text-white);
    font-size: 0.8rem;
    font-weight: 500;
    border-radius: var(--radius-sm);
}

/* =============================================
   CERTIFICATIONS SECTION
   ============================================= */
.certifications {
    background: var(--color-bg);
    padding-top: 0;
}

.certifications-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-lg);
}

.cert-card {
    background: var(--color-text-white);
    padding: var(--space-lg);
    border-radius: var(--radius-md);
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-fast);
    border-bottom: 3px solid var(--color-accent);
}

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

.cert-icon {
    font-size: 2.5rem;
    margin-bottom: var(--space-md);
}

.cert-card h4 {
    color: var(--color-primary);
    margin-bottom: var(--space-sm);
}

.cert-card p {
    font-size: 0.9rem;
    color: var(--color-text-light);
    margin-bottom: var(--space-xs);
}

.cert-detail {
    font-size: 0.85rem !important;
    color: var(--color-text-muted) !important;
}

/* =============================================
   LEADERSHIP SECTION
   ============================================= */
.leadership {
    background: var(--color-primary-dark);
    position: relative;
    overflow: hidden;
}

.leadership::before {
    content: '';
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(ellipse at 0% 100%, rgba(212, 165, 116, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 100% 0%, rgba(18, 120, 114, 0.2) 0%, transparent 50%);
}

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

.leadership-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg);
}

.leadership-card {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    transition: all var(--transition-fast);
}

.leadership-card:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-5px);
}

.leadership-card.featured {
    grid-column: span 2;
    background: rgba(212, 165, 116, 0.15);
    border-color: rgba(212, 165, 116, 0.3);
}

.card-header {
    margin-bottom: var(--space-md);
}

.card-year {
    font-size: 0.8rem;
    color: var(--color-accent-light);
    font-weight: 500;
    letter-spacing: 1px;
}

.leadership-card h3 {
    color: var(--color-text-white);
    margin: var(--space-xs) 0;
}

.card-org {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.95rem;
}

.card-achievements {
    list-style: none;
}

.card-achievements li {
    color: rgba(255, 255, 255, 0.8);
    padding: var(--space-xs) 0;
    padding-left: var(--space-lg);
    position: relative;
    font-size: 0.95rem;
}

.card-achievements li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--color-accent);
}

/* =============================================
   ACHIEVEMENTS SECTION
   ============================================= */
.achievements {
    background: var(--color-bg);
}

.category-tabs {
    display: flex;
    justify-content: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-xl);
    flex-wrap: wrap;
}

.tab-btn {
    padding: var(--space-sm) var(--space-lg);
    font-family: var(--font-body);
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--color-text-light);
    background: transparent;
    border: 2px solid transparent;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
}

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

.tab-btn.active {
    background: var(--color-primary);
    color: var(--color-text-white);
    border-color: var(--color-primary);
}

.achievement-category {
    display: none;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--space-md);
}

.achievement-category.active {
    display: grid;
    animation: fadeIn 0.4s ease;
}

.achievement-item {
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
    padding: var(--space-lg);
    background: var(--color-text-white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-fast);
}

.achievement-item:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.achievement-item.highlight {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
}

.achievement-item.highlight .achievement-icon,
.achievement-item.highlight h4,
.achievement-item.highlight p {
    color: var(--color-text-white);
}

.achievement-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
}

.achievement-details h4 {
    color: var(--color-primary);
    font-size: 1rem;
    margin-bottom: var(--space-xs);
}

.achievement-details p {
    font-size: 0.9rem;
    color: var(--color-text-light);
    margin: 0;
}

/* =============================================
   ASPIRATIONS SECTION
   ============================================= */
.aspirations {
    background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary));
    position: relative;
    overflow: hidden;
}

.aspirations::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M30 0l30 30-30 30L0 30z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

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

.aspirations-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--space-2xl);
    align-items: start;
}

.aspiration-quote {
    margin-bottom: var(--space-xl);
}

.aspiration-quote blockquote {
    font-family: var(--font-display);
    font-size: 1.75rem;
    font-style: italic;
    color: var(--color-accent-light);
    line-height: 1.4;
    position: relative;
    padding-left: var(--space-lg);
    border-left: 3px solid var(--color-accent);
}

.aspiration-goals {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.goal-item {
    display: flex;
    gap: var(--space-lg);
    align-items: flex-start;
    padding: var(--space-md);
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.goal-item:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateX(10px);
}

.goal-number {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-accent);
    line-height: 1;
    flex-shrink: 0;
}

.goal-content h4 {
    color: var(--color-text-white);
    margin-bottom: var(--space-xs);
}

.goal-content p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.95rem;
    margin: 0;
}

.research-highlight {
    position: sticky;
    top: 120px;
}

.research-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    text-align: center;
}

.research-icon {
    width: 60px;
    height: 60px;
    background: var(--color-accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--space-lg);
}

.research-icon svg {
    width: 30px;
    height: 30px;
    color: var(--color-primary-dark);
}

.research-card h4 {
    color: var(--color-text-white);
    margin-bottom: var(--space-md);
}

.research-card p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.95rem;
    line-height: 1.6;
}

.research-tag {
    display: inline-block;
    margin-top: var(--space-md);
    padding: var(--space-xs) var(--space-md);
    background: var(--color-accent);
    color: var(--color-primary-dark);
    font-size: 0.8rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* =============================================
   CONTACT SECTION
   ============================================= */
.contact {
    background: var(--color-bg);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2xl);
    align-items: center;
}

.contact-intro {
    font-size: 1.1rem;
    color: var(--color-text-light);
    margin-bottom: var(--space-xl);
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.contact-method {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-lg);
    background: var(--color-text-white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-fast);
}

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

.method-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.method-icon svg {
    width: 24px;
    height: 24px;
    color: var(--color-text-white);
}

.method-details {
    display: flex;
    flex-direction: column;
}

.method-label {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.method-value {
    font-weight: 500;
    color: var(--color-primary);
}

.visual-card {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    border-radius: var(--radius-xl);
    padding: var(--space-2xl);
    position: relative;
    overflow: hidden;
}

.visual-card::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(212, 165, 116, 0.3) 0%, transparent 70%);
}

.card-content {
    position: relative;
    z-index: 1;
}

.card-content p {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-style: italic;
    color: var(--color-text-white);
    line-height: 1.5;
    margin-bottom: var(--space-md);
}

.quote-author {
    color: var(--color-accent-light);
    font-size: 0.95rem;
}

/* =============================================
   VOLUNTEER SECTION
   ============================================= */
.volunteer {
    background: var(--color-bg-alt);
}

.volunteer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-lg);
}

.volunteer-card {
    background: var(--color-text-white);
    padding: var(--space-lg);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    border-left: 4px solid var(--color-accent);
    transition: all var(--transition-fast);
}

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

.volunteer-card h4 {
    color: var(--color-primary);
    margin-bottom: var(--space-sm);
}

.volunteer-card p {
    color: var(--color-text-light);
    font-size: 0.95rem;
    margin: 0;
}

/* =============================================
   SPORTS SECTION
   ============================================= */
.sports-section {
    background: var(--color-bg);
}

.sports-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--space-md);
    max-width: 800px;
    margin: 0 auto;
}

.sport-item {
    background: var(--color-text-white);
    padding: var(--space-md) var(--space-lg);
    border-radius: var(--radius-md);
    text-align: center;
    font-weight: 500;
    color: var(--color-primary);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-fast);
}

.sport-item:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
    background: var(--color-primary);
    color: var(--color-text-white);
}

/* =============================================
   ABOUT HOBBIES
   ============================================= */
.about-hobbies {
    margin-top: var(--space-lg);
    padding-top: var(--space-lg);
    border-top: 1px solid rgba(10, 77, 74, 0.1);
}

.about-hobbies h4 {
    color: var(--color-primary);
    font-size: 1rem;
    margin-bottom: var(--space-sm);
}

.about-hobbies p {
    color: var(--color-text-light);
    margin: 0;
}

/* Research gap text */
.research-gap {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.7);
    margin-top: var(--space-sm);
    font-style: italic;
}

/* =============================================
   FOOTER
   ============================================= */
.footer {
    background: var(--color-bg-darker);
    padding: var(--space-xl) 0;
    text-align: center;
}

.footer-name {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-text-white);
    margin-bottom: var(--space-xs);
}

.footer-tagline {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.95rem;
    margin-bottom: var(--space-md);
}

.footer-copyright {
    color: rgba(255, 255, 255, 0.4);
    font-size: 0.85rem;
}

/* =============================================
   ANIMATIONS
   ============================================= */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

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

@keyframes scrollBounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(8px); }
}

/* Scroll animations */
.scroll-reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.8s ease;
}

.scroll-reveal.revealed {
    opacity: 1;
    transform: translateY(0);
}

/* =============================================
   RESPONSIVE DESIGN
   ============================================= */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--space-xl);
    }
    
    .hero-title {
        justify-content: center;
    }
    
    .hero-tagline {
        margin: 0 auto var(--space-xl);
    }
    
    .hero-cta {
        justify-content: center;
    }
    
    .about-content {
        grid-template-columns: 1fr;
    }
    
    .about-image {
        position: static;
        max-width: 300px;
        margin: 0 auto;
    }
    
    .about-text {
        text-align: center;
    }
    
    .about-details {
        justify-content: center;
    }
    
    .leadership-grid {
        grid-template-columns: 1fr;
    }
    
    .leadership-card.featured {
        grid-column: span 1;
    }
    
    .aspirations-content {
        grid-template-columns: 1fr;
    }
    
    .research-highlight {
        position: static;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .visual-card {
        text-align: center;
    }
}

@media (max-width: 768px) {
    html {
        font-size: 15px;
    }
    
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 300px;
        height: 100vh;
        background: var(--color-bg);
        flex-direction: column;
        justify-content: center;
        padding: var(--space-xl);
        box-shadow: var(--shadow-lg);
        transition: right var(--transition-medium);
    }
    
    .nav-menu.active {
        right: 0;
    }
    
    .nav-toggle {
        display: flex;
        z-index: 1001;
    }
    
    .nav-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .nav-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }
    
    .timeline::before {
        left: 20px;
    }
    
    .timeline {
        padding-left: 0;
    }
    
    .timeline-item {
        flex-direction: column;
        gap: var(--space-md);
        padding-left: 50px;
    }
    
    .timeline-marker {
        position: relative;
        left: 0;
        width: auto;
        text-align: left;
        padding-right: 0;
    }
    
    .timeline-marker::after {
        left: -36px;
        right: auto;
    }
    
    .timeline-content {
        margin-left: 0;
    }
    
    .category-tabs {
        gap: var(--space-xs);
    }
    
    .tab-btn {
        padding: var(--space-xs) var(--space-md);
        font-size: 0.85rem;
    }
    
    .hero {
        padding: var(--space-2xl) var(--space-md);
    }
    
    section {
        padding: var(--space-2xl) 0;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--space-md);
    }
    
    .hero-card {
        padding: var(--space-lg);
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    .aspiration-quote blockquote {
        font-size: 1.25rem;
    }
    
    .goal-item {
        flex-direction: column;
        gap: var(--space-sm);
    }
    
    .goal-number {
        font-size: 1.5rem;
    }
}