/* ===== CSS VARIABLES ===== */
:root {
    /* Colors */
    --primary-color: #2563eb;
    --secondary-color: #1e40af;
    --accent-color: #f59e0b;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --error-color: #ef4444;
    
    --text-primary: #1f2937;
    --text-secondary: #6b7280;
    --text-light: #9ca3af;
    --text-white: #ffffff;
    
    --bg-primary: #ffffff;
    --bg-secondary: #f9fafb;
    --bg-dark: #111827;
    --bg-card: #ffffff;
    
    --border-color: #e5e7eb;
    --shadow-light: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --shadow-medium: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-large: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-mono: 'Fira Code', 'Monaco', 'Cascadia Code', 'Roboto Mono', monospace;
    
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    
    /* Layout */
    --max-width: 1200px;
    --border-radius: 0.5rem;
    --border-radius-lg: 1rem;
    
    /* Transitions */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===== DARK THEME OVERRIDES ===== */
html[data-theme="dark"] {
    --text-primary: #e5e7eb;
    --text-secondary: #9ca3af;
    --text-light: #9ca3af;
    --bg-primary: #0f172a; /* slate-900 */
    --bg-secondary: #111827; /* gray-900 */
    --bg-card: #0b1220; /* custom dark card */
    --border-color: rgba(255, 255, 255, 0.12);
}

/* Navbar background in dark mode */
html[data-theme="dark"] .navbar {
    background: rgba(17, 24, 39, 0.92);
    box-shadow: var(--shadow-light);
}

/* Footer in dark mode stays dark but adjust text color if needed */
html[data-theme="dark"] .footer-text p {
    color: var(--text-light);
}

/* Cards and sections adapt via variables; ensure subtle borders in dark */
html[data-theme="dark"] .section-window,
html[data-theme="dark"] .project-card,
html[data-theme="dark"] .overview-item,
html[data-theme="dark"] .detail-item,
html[data-theme="dark"] .stat-item {
    border: 1px solid var(--border-color);
}

/* ===== THEME TOGGLE BUTTON ===== */
:root {
  --darkbg:#251D29;
  --darkt: #FFD1F7;
  --lightbg: #fff;
  --lightt: #D43370;
  
  --toggleHeight: 16em;
  --toggleWidth: 30em;
  --toggleBtnRadius: 10em;

  --bgColor--night: #423966;
  --toggleBtn-bgColor--night: var(--bgColor--night);
  --mooncolor: #D9FBFF;
  --bgColor--day: #9ee3fb;
  --toggleBtn-bgColor--day: var(--bgColor--day);
}

body{
  transition: all .2s ease-in-out;
  background: var(--darkbg);
  color: var(--darkt);
  text-align: center;
}
.light{
  background: var(--lightbg);
  color: var(--lightt);
}
.tdnn {
    /* scale control size via font-size; 15% ~ 40px height */
    font-size: 10%;
    position: relative;
    height: var(--toggleHeight);
    width: var(--toggleWidth);
    border-radius: var(--toggleHeight);
    transition: var(--transition);
    background: var(--bg-secondary);
    border: 1.5px solid var(--border-color);
    display: inline-block;
    margin: 0 0 0 var(--spacing-md);
}
.tdnn.day{
    background: rgba(37, 99, 235, 0.15);
    border-color: var(--primary-color);
}
.moon {
  position: absolute;
  display: block;
  border-radius: 50%;
  transition: all 400ms ease-in-out;
  
  top: 3em;
  left: 3em;
  transform: rotate(-75deg);
  width: var(--toggleBtnRadius);
  height: var(--toggleBtnRadius);
    /* Make moon body match the toggle track background */
    background: var(--bg-secondary);
  box-shadow: 
    3em 2.5em 0 0em var(--mooncolor) inset,
    rgba(255, 255, 255, 0.1) 0em -7em 0 -4.5em,
    rgba(255, 255, 255, 0.1) 3em 7em 0 -4.5em,
    rgba(255, 255, 255, 0.1) 2em 13em 0 -4em,
    rgba(255, 255, 255, 0.1) 6em 2em 0 -4.1em,
    rgba(255, 255, 255, 0.1) 8em 8em 0 -4.5em,
    rgba(255, 255, 255, 0.1) 6em 13em 0 -4.5em,
    rgba(255, 255, 255, 0.1) -4em 7em 0 -4.5em,
    rgba(255, 255, 255, 0.1) -1em 10em 0 -4.5em;
}
.sun {
  top: 4.5em;
  left: 18em;
  transform: rotate(0deg);
  width: 7em;
  height: 7em;
    background: var(--accent-color);
  box-shadow: 3em 3em 0 5em #fff inset,
    0 -5em 0 -2.7em #fff,
    3.5em -3.5em 0 -3em #fff,
    5em 0 0 -2.7em #fff,
    3.5em 3.5em 0 -3em #fff,
    0 5em 0 -2.7em #fff,
    -3.5em 3.5em 0 -3em #fff,
    -5em 0 0 -2.7em #fff,
    -3.5em -3.5em 0 -3em #fff;
}

/* Dark theme specific track/knob adjustments */
html[data-theme="dark"] .tdnn {
    background: #0b1220;
    border-color: var(--border-color);
}

html[data-theme="dark"] .tdnn .moon {
    /* Match dark track background so the moon blends with the toggle */
    background: #0b1220;
}

/* ===== RESET & BASE STYLES ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

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

img {
    max-width: 100%;
    height: auto;
    display: block;
}

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

ul, ol {
    list-style: none;
}

button {
    border: none;
    background: none;
    cursor: pointer;
    font-family: inherit;
    transition: var(--transition);
}

/* ===== UTILITIES ===== */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.section-title {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    text-align: center;
    margin-bottom: var(--spacing-3xl);
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    border-radius: 2px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: var(--font-size-base);
    font-weight: 500;
    border-radius: var(--border-radius);
    text-decoration: none;
    transition: var(--transition);
    cursor: pointer;
    border: 2px solid transparent;
}

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

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

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

.btn-secondary:hover {
    background: var(--primary-color);
    color: var(--text-white);
    transform: translateY(-2px);
}

/* Improve secondary button contrast on hero's patterned/gradient background */
.hero .btn-secondary {
    background: rgba(255, 255, 255, 0.85);
    color: var(--text-primary);
    border-color: var(--border-color);
    backdrop-filter: saturate(160%) blur(6px);
    -webkit-backdrop-filter: saturate(160%) blur(6px);
}

.hero .btn-secondary:hover {
    background: #ffffff;
    color: var(--text-primary);
    border-color: var(--primary-color);
    box-shadow: var(--shadow-medium);
}

/* Dark theme version for hero secondary button */
html[data-theme="dark"] .hero .btn-secondary {
    background: rgba(11, 18, 32, 0.9); /* matches var(--bg-card) tone */
    color: var(--text-primary);
    border-color: var(--border-color);
}

html[data-theme="dark"] .hero .btn-secondary:hover {
    background: #0b1220; /* solid dark card */
    color: var(--text-primary);
    border-color: var(--primary-color);
    box-shadow: var(--shadow-medium);
}

.highlight {
    color: var(--accent-color);
}

/* ===== NAVIGATION ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    transition: var(--transition);
    box-shadow: var(--shadow-light);
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: var(--shadow-medium);
}

.nav-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.nav-logo a {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--primary-color);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    margin-left: auto; /* Push navigation to the right */
}

.nav-link {
    font-weight: 500;
    color: var(--text-primary);
    position: relative;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius);
    transition: var(--transition);
    font-size: var(--font-size-sm);
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary-color);
    background: rgba(37, 99, 235, 0.1);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 4px;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: width 0.3s ease;
    transform: translateX(-50%);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 70%;
}

.nav-toggle {
    display: none; /* Hide hamburger menu completely */
}

.nav-toggle .bar {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: var(--transition);
}

/* ===== HERO SECTION ===== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: var(--spacing-3xl) 0;
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="%23e5e7eb" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>') repeat;
    opacity: 0.3;
}

.hero-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-content {
    animation: fadeInUp 0.8s ease-out;
}

.hero-title {
    font-size: var(--font-size-5xl);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: var(--spacing-md);
}

.typing-text {
    display: block;
}

.hero-subtitle {
    font-size: var(--font-size-xl);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    font-weight: 500;
}

.hero-description {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--spacing-2xl);
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
    animation: fadeInRight 0.8s ease-out 0.2s both;
}

.hero-photo {
    position: relative;
    width: 300px;
    height: 300px;
    border-radius: 50%;
    overflow: hidden;
    box-shadow: var(--shadow-large);
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    padding: 5px;
}

.profile-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
}

.scroll-indicator {
    position: absolute;
    bottom: var(--spacing-xl);
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
}

.scroll-indicator i {
    font-size: var(--font-size-xl);
    color: var(--text-secondary);
}

/* ===== MAIN CONTENT LAYOUT ===== */
.main-content {
    padding: var(--spacing-2xl) 0;
    background: var(--bg-secondary);
    min-height: calc(100vh - 70px); /* Account for navbar height */
    margin-top: 70px; /* Offset for fixed navbar */
}

.section-window {
    max-width: var(--max-width);
    margin: 0 auto var(--spacing-3xl);
    background: var(--bg-primary);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-large);
    overflow: hidden;
    transition: var(--transition);
}

.section-window:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px -5px rgba(0, 0, 0, 0.15);
}

.window-container {
    padding: var(--spacing-3xl);
}

.section-window .section-title {
    margin-bottom: var(--spacing-2xl);
    color: var(--text-primary);
}

.section-window .section-title::after {
    bottom: -15px;
}

/* ===== PAGE-SPECIFIC LAYOUTS ===== */
/* Contact page - full height */
body:has(#contact.contact-simple) .main-content {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: calc(100vh - 70px - 80px); /* Account for navbar and footer */
}

/* Home page - no margin-top needed */
body:has(.hero) .main-content {
    margin-top: 0;
}

/* Contact page subtitle */
.contact-subtitle {
    text-align: center;
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-2xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* ===== SIMPLIFIED CONTACT SECTION ===== */
.contact-simple {
    padding: var(--spacing-2xl) 0;
    background: var(--bg-primary);
    border-top: 1px solid var(--border-color);
}

.contact-simple .section-title {
    margin-bottom: var(--spacing-xl);
}

.contact-links {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-xl);
    flex-wrap: wrap;
}

.contact-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--bg-secondary);
    border-radius: var(--border-radius);
    text-decoration: none;
    color: var(--text-primary);
    transition: var(--transition);
    border: 2px solid transparent;
}

.contact-link:hover {
    background: var(--primary-color);
    color: var(--text-white);
    transform: translateY(-3px);
    box-shadow: var(--shadow-medium);
}

.contact-link.location {
    cursor: default;
    background: var(--bg-card);
    border: 2px solid var(--border-color);
}

.contact-link.location:hover {
    background: var(--bg-card);
    color: var(--text-primary);
    transform: none;
    box-shadow: var(--shadow-light);
}

.contact-link i {
    font-size: var(--font-size-lg);
    width: 20px;
    text-align: center;
}

.contact-link span {
    font-weight: 500;
}

/* ===== UPDATED SECTION STYLES ===== */
/* ===== ABOUT SECTION (in window) ===== */
.section-window .about-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.about-intro {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
    line-height: 1.7;
}

.about-details {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.detail-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background: var(--bg-primary);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-light);
    transition: var(--transition);
}

.detail-item:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

.detail-item i {
    font-size: var(--font-size-xl);
    color: var(--primary-color);
    margin-top: 4px;
}

.detail-item h3 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
}

.detail-item p {
    color: var(--text-secondary);
    line-height: 1.5;
}

.about-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
}

.stat-item {
    text-align: center;
    padding: var(--spacing-lg);
    background: var(--bg-primary);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-light);
    transition: var(--transition);
}

.stat-item:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

.stat-number {
    display: block;
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: var(--spacing-xs);
}

.stat-label {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    font-weight: 500;
}

/* ===== PROJECTS SECTION (in window) ===== */
.section-window .projects-filter {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-2xl);
    flex-wrap: wrap;
}

.filter-btn {
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: var(--font-size-sm);
    font-weight: 500;
    border-radius: var(--border-radius);
    background: var(--bg-primary);
    color: var(--text-secondary);
    border: 2px solid transparent;
    transition: var(--transition);
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--primary-color);
    color: var(--text-white);
    transform: translateY(-2px);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-xl);
}

.project-card {
    background: var(--bg-card);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-light);
    transition: var(--transition);
    opacity: 1;
    transform: scale(1);
}

.project-card.hidden {
    opacity: 0;
    transform: scale(0.8);
    height: 0;
    margin: 0;
    overflow: hidden;
}

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

.project-image {
    height: 200px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-white);
    font-size: var(--font-size-3xl);
    position: relative;
    overflow: hidden;
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.project-content {
    padding: var(--spacing-lg);
}

.project-title {
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.project-description {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-lg);
}

.tech-tag {
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--bg-secondary);
    color: var(--text-secondary);
    border-radius: var(--border-radius);
    font-size: var(--font-size-xs);
    font-weight: 500;
}

.project-links {
    display: flex;
    gap: var(--spacing-sm);
}

.project-link {
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius);
    font-size: var(--font-size-sm);
    font-weight: 500;
    text-decoration: none;
    transition: var(--transition);
}

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

.project-link.secondary {
    background: var(--bg-secondary);
    color: var(--text-secondary);
}

.project-link:hover {
    transform: translateY(-2px);
}

.project-link.primary:hover {
    background: var(--secondary-color);
}

.project-link.secondary:hover {
    background: var(--text-secondary);
    color: var(--text-white);
}

/* ===== ATHLETICS SECTION (in window) ===== */
.section-window .athletics-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-3xl);
}

.athletics-overview {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
}

.overview-item {
    background: var(--bg-card);
    padding: var(--spacing-2xl);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-light);
    transition: var(--transition);
}

.overview-item:hover {
    box-shadow: var(--shadow-medium);
}

.overview-item h3 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
    color: var(--text-primary);
}

.records-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

.record-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-secondary);
    border-radius: var(--border-radius);
}

.record-item .event {
    font-weight: 500;
    color: var(--text-primary);
}

.record-item .time {
    font-weight: 600;
    color: var(--accent-color);
    font-family: var(--font-mono);
}

.achievements-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.achievements-list li {
    padding: var(--spacing-sm) 0;
    color: var(--text-secondary);
    font-size: var(--font-size-base);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.athletics-timeline {
    background: var(--bg-card);
    padding: var(--spacing-2xl);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-light);
}

.athletics-timeline h3 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-bottom: var(--spacing-xl);
    color: var(--text-primary);
}

.timeline {
    position: relative;
    padding-left: var(--spacing-xl);
}

.timeline::before {
    content: '';
    position: absolute;
    left: 15px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--border-color);
}

.timeline-item {
    position: relative;
    margin-bottom: var(--spacing-xl);
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -23px;
    top: 8px;
    width: 16px;
    height: 16px;
    background: var(--accent-color);
    border-radius: 50%;
    border: 3px solid var(--bg-card);
    z-index: 1;
}

.timeline-date {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--accent-color);
    margin-bottom: var(--spacing-xs);
}

.timeline-content h4 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
}

.timeline-content p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ===== CONTACT SIMPLE ===== */
.contact-simple {
    text-align: center;
    padding: var(--spacing-2xl);
}

.contact-links {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.contact-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--bg-primary);
    border-radius: var(--border-radius-lg);
    text-decoration: none;
    color: var(--text-primary);
    transition: var(--transition);
    box-shadow: var(--shadow-light);
}

.contact-link:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
    background: var(--primary-color);
    color: white;
}

.contact-link i {
    font-size: var(--font-size-lg);
    color: var(--primary-color);
    transition: var(--transition);
}

.contact-link:hover i {
    color: white;
}

/* ===== FOOTER ===== */
.footer {
    background: var(--bg-dark);
    color: var(--text-white);
    padding: var(--spacing-md) 0; /* smaller footer height */
    position: relative;
    z-index: 2; /* ensure footer is above transformed sections */
}

.footer-content {
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-md);
}

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

/* Icons-only footer row */
.footer-icons {
    display: flex;
    align-items: center;
    gap: var(--spacing-md); /* tighter spacing */
}

.footer-icon {
    width: 40px;  /* smaller icon button */
    height: 40px; /* smaller icon button */
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(255,255,255,0.08);
    color: var(--text-white);
    transition: var(--transition);
}

.footer-icon i {
    font-size: 1.2rem; /* slightly smaller for compact footer */
}

.footer-icon:hover {
    transform: translateY(-3px);
    background: var(--primary-color);
}

/* Push footer text to the right even when icons are absent */
.footer-text {
    margin-left: auto;
    text-align: right;
}

@media (max-width: 480px) {
    .footer-icons {
        gap: var(--spacing-sm);
    }
}

/* ===== BACK TO TOP BUTTON ===== */
.back-to-top {
    position: fixed;
    bottom: var(--spacing-xl);
    right: var(--spacing-xl);
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    color: var(--text-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: var(--transition);
    z-index: 1000;
    box-shadow: var(--shadow-medium);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background: var(--secondary-color);
    transform: translateY(-3px);
    box-shadow: var(--shadow-large);
}

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

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

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

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--spacing-2xl);
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }
    
    .athletics-overview {
        grid-template-columns: 1fr;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    :root {
        --font-size-5xl: 2.5rem;
        --font-size-4xl: 2rem;
        --font-size-3xl: 1.5rem;
    }
    
    .nav-container {
        padding: 0 var(--spacing-md);
    }
    
    .nav-menu {
        gap: var(--spacing-sm); /* Reduce gap on mobile */
    }
    
    .nav-link {
        font-size: var(--font-size-xs);
        padding: var(--spacing-xs) var(--spacing-sm);
    }
    
    .nav-logo a {
        font-size: var(--font-size-lg);
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .hero-photo {
        width: 250px;
        height: 250px;
    }
    
    .section-window {
        margin-bottom: var(--spacing-xl);
        padding: var(--spacing-lg);
    }
    
    .main-content {
        gap: var(--spacing-lg);
    }
    
    .about-stats {
        grid-template-columns: 1fr;
    }
    
    .skills-grid {
        grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    .records-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        flex-direction: column;
        gap: var(--spacing-md);
        text-align: center;
    }
    
    .projects-filter {
        justify-content: flex-start;
        overflow-x: auto;
        padding-bottom: var(--spacing-sm);
    }
    
    .contact-links {
        flex-direction: column;
        align-items: center;
        gap: var(--spacing-md);
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-md);
    }
    
    .nav-container {
        padding: 0 var(--spacing-md);
    }
    
    .hero {
        padding: var(--spacing-2xl) 0;
    }
    
    .section-title {
        font-size: var(--font-size-2xl);
    }
    
    .section-window {
        margin-bottom: var(--spacing-lg);
        padding: var(--spacing-md);
        border-radius: var(--border-radius);
    }
    
    .main-content {
        gap: var(--spacing-md);
        padding: var(--spacing-md);
    }
    
    .detail-item,
    .overview-item {
        padding: var(--spacing-md);
    }
    
    .hero-photo {
        width: 200px;
        height: 200px;
    }
    
    .back-to-top {
        bottom: var(--spacing-md);
        right: var(--spacing-md);
    }
    
    .contact-link {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: var(--font-size-sm);
    }
}

/* ===== PRINT STYLES ===== */
@media print {
    .navbar,
    .scroll-indicator,
    .back-to-top {
        display: none !important;
    }
    
    .hero {
        min-height: auto;
        page-break-after: always;
    }
    
    .section-title {
        page-break-after: avoid;
    }
    
    .project-card,
    .detail-item {
        page-break-inside: avoid;
    }
}

/* ===== ACCESSIBILITY ===== */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    html {
        scroll-behavior: auto;
    }
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Focus styles for keyboard navigation */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    :root {
        --shadow-light: 0 2px 4px 0 rgba(0, 0, 0, 0.3);
        --shadow-medium: 0 4px 8px 0 rgba(0, 0, 0, 0.3);
        --shadow-large: 0 8px 16px 0 rgba(0, 0, 0, 0.3);
    }
}