/* ================================
   Design System - Modern Minimalist
================================ */
:root {
    --color-primary: #1a1a1a;
    --color-accent: #E8A838;
    --color-accent-light: #FEF7E8;
    --color-bg: #FFFFFF;
    --color-bg-alt: #FAFAFA;
    --color-text: #1a1a1a;
    --color-text-light: #6B7280;
    --color-border: #E5E7EB;

    --font-heading: 'Playfair Display', Georgia, serif;
    --font-body: 'Inter', -apple-system, sans-serif;

    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 20px 40px rgba(0, 0, 0, 0.1);

    --radius: 16px;
    --radius-full: 9999px;

    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

body {
    font-family: var(--font-body);
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

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

a {
    color: inherit;
    text-decoration: none;
}

/* ================================
   Cycling Decoration SVG
================================ */
.cycle-decoration {
    position: absolute;
    opacity: 0.06;
    pointer-events: none;
}

.cycle-icon {
    width: 120px;
    height: 120px;
}

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

.section-header {
    text-align: center;
    margin-bottom: 48px;
}

.section-label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: 12px;
}

.section-label::before {
    content: '🚴';
    font-size: 1rem;
}

.section-title {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    margin-bottom: 12px;
}

.section-desc {
    font-size: 1rem;
    color: var(--color-text-light);
    max-width: 500px;
    margin: 0 auto;
}

/* ================================
   Navigation - Modern Clean
================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid transparent;
    transition: var(--transition);
}

.navbar.scrolled {
    border-bottom-color: var(--color-border);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 64px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.logo-text {
    font-family: var(--font-heading);
    font-size: 1.125rem;
    font-weight: 600;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 32px;
    list-style: none;
}

.nav-link {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text-light);
    transition: var(--transition);
}

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

.nav-cta {
    background: var(--color-primary);
    color: white !important;
    padding: 10px 20px;
    border-radius: var(--radius-full);
    font-weight: 500;
}

.nav-cta:hover {
    background: #333;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.nav-toggle span {
    width: 20px;
    height: 2px;
    background: var(--color-text);
    border-radius: 2px;
    transition: var(--transition);
}

/* ================================
   Hero - Modern Split Layout
================================ */
.hero {
    min-height: 100vh;
    min-height: 100dvh;
    display: flex;
    align-items: center;
    padding: 100px 0 60px;
    position: relative;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    right: 0;
    width: 45%;
    height: 100%;
    background: var(--color-accent-light);
    z-index: -1;
}

/* Decorative cycling path */
.hero::after {
    content: '';
    position: absolute;
    bottom: 80px;
    left: 0;
    width: 100%;
    height: 2px;
    background: repeating-linear-gradient(90deg,
            var(--color-border) 0,
            var(--color-border) 20px,
            transparent 20px,
            transparent 30px);
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.hero-tagline {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: 16px;
}

.hero-tagline::before {
    content: '🚴‍♀️';
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 16px;
}

.hero-subtitle {
    font-size: 1rem;
    color: var(--color-text-light);
    margin-bottom: 20px;
    line-height: 1.5;
}

.hero-description {
    font-size: 1rem;
    color: var(--color-text);
    line-height: 1.7;
    margin-bottom: 32px;
    max-width: 450px;
}

.hero-cta {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 28px;
    font-size: 0.9rem;
    font-weight: 600;
    border-radius: var(--radius-full);
    border: none;
    cursor: pointer;
    transition: var(--transition);
}

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

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

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

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

.hero-image {
    position: relative;
    display: flex;
    justify-content: center;
}

.hero-image-wrapper {
    position: relative;
    z-index: 2;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    max-width: 380px;
}

.hero-image-accent {
    position: absolute;
    width: 100%;
    height: 100%;
    max-width: 380px;
    top: 20px;
    right: -20px;
    border: 3px solid var(--color-accent);
    border-radius: var(--radius);
    z-index: 1;
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
}

.scroll-indicator span {
    display: block;
    width: 24px;
    height: 36px;
    border: 2px solid var(--color-text-light);
    border-radius: 12px;
    position: relative;
}

.scroll-indicator span::after {
    content: '';
    position: absolute;
    top: 6px;
    left: 50%;
    transform: translateX(-50%);
    width: 3px;
    height: 6px;
    background: var(--color-accent);
    border-radius: 3px;
    animation: scrollWheel 1.5s infinite;
}

@keyframes bounce {

    0%,
    100% {
        transform: translateX(-50%) translateY(0);
    }

    50% {
        transform: translateX(-50%) translateY(8px);
    }
}

@keyframes scrollWheel {
    0% {
        opacity: 1;
        top: 6px;
    }

    100% {
        opacity: 0;
        top: 18px;
    }
}

/* ================================
   Stats Section - Clean Cards
================================ */
.stats-section {
    padding: 60px 0;
    background: var(--color-primary);
    position: relative;
    overflow: hidden;
}

/* Cycling wheel decoration */
.stats-section::before {
    content: '⚙️';
    position: absolute;
    right: -40px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 200px;
    opacity: 0.05;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.stat-item {
    text-align: center;
    color: white;
    padding: 20px;
}

.stat-number {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 4vw, 2.5rem);
    font-weight: 700;
}

.stat-plus {
    font-size: 1.5rem;
    color: var(--color-accent);
}

.stat-label {
    display: block;
    margin-top: 8px;
    font-size: 0.85rem;
    opacity: 0.8;
}

/* ================================
   About Section - Clean Layout
================================ */
.about-section {
    padding: 80px 0;
    position: relative;
}

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

.about-lead {
    font-size: 1.25rem;
    font-weight: 500;
    line-height: 1.6;
    margin-bottom: 20px;
    color: var(--color-primary);
}

.about-content p {
    margin-bottom: 16px;
    color: var(--color-text);
    line-height: 1.7;
}

.about-roles {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
}

.role-card {
    background: var(--color-bg-alt);
    padding: 20px;
    border-radius: var(--radius);
    transition: var(--transition);
    border: 1px solid transparent;
}

.role-card:hover {
    border-color: var(--color-accent);
    transform: translateY(-2px);
}

.role-icon {
    font-size: 1.5rem;
    margin-bottom: 10px;
}

.role-card h3 {
    font-family: var(--font-body);
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 4px;
}

.role-card p {
    font-size: 0.8rem;
    color: var(--color-text-light);
    margin: 0;
}

/* ================================
   Timeline - Vertical Clean
================================ */
.timeline-section {
    padding: 80px 0;
    background: var(--color-bg-alt);
    position: relative;
}

/* Cycling path decoration */
.timeline-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 100%;
    background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 100 100'%3E%3Ccircle cx='50' cy='50' r='30' fill='none' stroke='%23E8A838' stroke-width='2' opacity='0.1'/%3E%3C/svg%3E") repeat-y center;
    opacity: 0.3;
    z-index: 0;
}

.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    z-index: 1;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 2px;
    height: 100%;
    background: linear-gradient(to bottom, var(--color-accent), var(--color-border));
}

.timeline-item {
    position: relative;
    margin-bottom: 48px;
    display: flex;
    justify-content: flex-end;
    padding-right: calc(50% + 32px);
}

.timeline-item:nth-child(even) {
    justify-content: flex-start;
    padding-right: 0;
    padding-left: calc(50% + 32px);
}

/* Timeline marker dot only - no hover effects */
.timeline-marker {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 16px;
    height: 16px;
    background: var(--color-accent);
    border: 3px solid white;
    border-radius: 50%;
    box-shadow: var(--shadow-sm);
    z-index: 2;
}

.timeline-content {
    background: white;
    padding: 24px;
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    max-width: 350px;
    transition: var(--transition);
    position: relative;
}

.timeline-content:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.timeline-year {
    position: absolute;
    top: 16px;
    right: 16px;
    font-family: var(--font-heading);
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-accent);
    opacity: 0.15;
    line-height: 1;
}

.timeline-item:nth-child(even) .timeline-year {
    right: auto;
    left: 16px;
}

.timeline-content h3 {
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--color-primary);
}

.timeline-content ul {
    list-style: none;
}

.timeline-content li {
    font-size: 0.85rem;
    color: var(--color-text);
    padding: 4px 0;
    padding-left: 16px;
    position: relative;
}

.timeline-content li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--color-accent);
    font-size: 0.8rem;
}

/* ================================
   Initiatives - Modern Grid
================================ */
.initiatives-section {
    padding: 80px 0;
}

.initiatives-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 20px;
}

.initiative-card {
    background: var(--color-bg-alt);
    padding: 24px;
    border-radius: var(--radius);
    transition: var(--transition);
    border: 1px solid transparent;
    position: relative;
    overflow: hidden;
}

.initiative-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 0;
    background: var(--color-accent);
    transition: var(--transition);
}

.initiative-card:hover {
    background: white;
    border-color: var(--color-border);
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.initiative-card:hover::before {
    height: 100%;
}

.initiative-featured {
    grid-column: span 2;
    background: var(--color-primary);
    color: white;
}

.initiative-featured h3,
.initiative-featured p {
    color: white;
}

.initiative-featured::before {
    background: var(--color-accent);
}

.initiative-icon {
    font-size: 2rem;
    margin-bottom: 12px;
}

.initiative-card h3 {
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 8px;
}

.initiative-card p {
    font-size: 0.85rem;
    color: var(--color-text-light);
    margin-bottom: 12px;
    line-height: 1.5;
}

.initiative-tag {
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--color-accent);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* ================================
   Recognition - Clean Cards
================================ */
.recognition-section {
    padding: 80px 0;
    background: var(--color-bg-alt);
}

.recognition-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
}

.recognition-card {
    background: white;
    padding: 24px;
    border-radius: var(--radius);
    transition: var(--transition);
}

.recognition-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.recognition-highlight {
    grid-column: span 2;
    background: linear-gradient(135deg, var(--color-primary) 0%, #2a2a2a 100%);
    color: white;
}

.recognition-highlight h3,
.recognition-highlight p {
    color: white;
}

.recognition-icon {
    font-size: 2rem;
    margin-bottom: 12px;
}

.recognition-card h3 {
    font-family: var(--font-body);
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 6px;
}

.recognition-card p {
    font-size: 0.85rem;
    color: var(--color-text-light);
}

/* ================================
   Publications - Horizontal Scroll
================================ */
.publications-section {
    padding: 80px 0;
}

.publications-grid {
    display: flex;
    gap: 20px;
    overflow-x: auto;
    padding-bottom: 20px;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
}

.publications-grid::-webkit-scrollbar {
    height: 6px;
}

.publications-grid::-webkit-scrollbar-track {
    background: var(--color-bg-alt);
    border-radius: 3px;
}

.publications-grid::-webkit-scrollbar-thumb {
    background: var(--color-accent);
    border-radius: 3px;
}

.publication-card {
    flex: 0 0 180px;
    text-align: center;
    padding: 24px 16px;
    background: var(--color-bg-alt);
    border-radius: var(--radius);
    scroll-snap-align: start;
    transition: var(--transition);
}

.publication-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    background: white;
}

.publication-cover {
    font-size: 3rem;
    margin-bottom: 12px;
}

.publication-card h3 {
    font-family: var(--font-body);
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 6px;
}

.publication-card p {
    font-size: 0.75rem;
    color: var(--color-text-light);
}

/* ================================
   Speaking - TEDx Highlight
================================ */
.speaking-section {
    padding: 80px 0;
    background: var(--color-bg-alt);
}

.speaking-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
}

.speaking-card {
    background: white;
    padding: 24px;
    border-radius: var(--radius);
    transition: var(--transition);
}

.speaking-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.speaking-card.tedx {
    border-left: 4px solid #E62B1E;
}

.speaking-badge {
    display: inline-block;
    background: #E62B1E;
    color: white;
    font-size: 0.65rem;
    font-weight: 700;
    padding: 4px 10px;
    border-radius: 4px;
    margin-bottom: 10px;
}

.speaking-card h3 {
    font-family: var(--font-body);
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 6px;
}

.speaking-card p {
    font-size: 0.8rem;
    color: var(--color-text-light);
}

/* ================================
   Contact - Clean CTA
================================ */
.contact-section {
    padding: 80px 0;
    background: var(--color-primary);
    color: white;
    position: relative;
    overflow: hidden;
}

/* Decorative cycling wheels */
.contact-section::before,
.contact-section::after {
    content: '';
    position: absolute;
    width: 300px;
    height: 300px;
    border: 40px solid rgba(255, 255, 255, 0.03);
    border-radius: 50%;
}

.contact-section::before {
    top: -150px;
    left: -150px;
}

.contact-section::after {
    bottom: -150px;
    right: -150px;
}

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

.contact-section .section-label {
    color: var(--color-accent);
}

.contact-section .section-label::before {
    content: '📬';
}

.contact-section .section-title {
    color: white;
}

.contact-section .section-desc {
    color: rgba(255, 255, 255, 0.7);
}

.contact-links {
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
    margin: 32px 0;
}

.contact-link {
    display: flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.1);
    padding: 12px 20px;
    border-radius: var(--radius-full);
    transition: var(--transition);
    font-size: 0.9rem;
}

.contact-link:hover {
    background: white;
    color: var(--color-primary);
}

.contact-icon {
    font-size: 1.1rem;
}

.contact-orgs {
    display: flex;
    justify-content: center;
    gap: 24px;
    flex-wrap: wrap;
    margin-top: 24px;
}

.org-link {
    font-size: 0.85rem;
    opacity: 0.6;
    transition: var(--transition);
}

.org-link:hover {
    opacity: 1;
    color: var(--color-accent);
}

/* ================================
   Footer
================================ */
.footer {
    padding: 32px 0;
    background: #0a0a0a;
    text-align: center;
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.85rem;
}

/* ================================
   Animations
================================ */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ================================
   Mobile Responsive - 100%
================================ */
@media (max-width: 1024px) {
    .initiative-featured {
        grid-column: span 1;
    }

    .recognition-highlight {
        grid-column: span 1;
    }
}

@media (max-width: 768px) {
    html {
        font-size: 15px;
    }

    .container {
        padding: 0 16px;
    }

    /* Mobile Nav */
    .nav-menu {
        position: fixed;
        top: 64px;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        padding: 24px;
        gap: 16px;
        box-shadow: var(--shadow-lg);
        transform: translateY(-150%);
        opacity: 0;
        transition: var(--transition);
        border-bottom: 1px solid var(--color-border);
    }

    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
    }

    .nav-toggle {
        display: flex;
    }

    .nav-cta {
        width: 100%;
        text-align: center;
    }

    /* Mobile Hero */
    .hero {
        padding: 80px 0 60px;
    }

    .hero-bg {
        width: 100%;
        height: 40%;
        top: auto;
        bottom: 0;
    }

    .hero-container {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }

    .hero-image {
        order: -1;
    }

    .hero-image-wrapper {
        max-width: 280px;
        margin: 0 auto;
    }

    .hero-image-accent {
        max-width: 280px;
        right: auto;
        left: 50%;
        transform: translateX(-45%);
    }

    .hero-description {
        margin: 0 auto 32px;
    }

    .hero-cta {
        justify-content: center;
    }

    .scroll-indicator {
        display: none;
    }

    /* Mobile Stats */
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }

    .stat-item {
        padding: 16px 8px;
    }

    .stat-number {
        font-size: 1.75rem;
    }

    .stat-label {
        font-size: 0.75rem;
    }

    /* Mobile About */
    .about-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .about-roles {
        grid-template-columns: 1fr;
    }

    /* Mobile Timeline */
    .timeline::before {
        left: 16px;
    }

    .timeline-item,
    .timeline-item:nth-child(even) {
        padding-left: 48px;
        padding-right: 0;
        justify-content: flex-start;
    }

    .timeline-marker {
        left: 16px;
        transform: none;
    }

    .timeline-content {
        max-width: 100%;
    }

    .timeline-year,
    .timeline-item:nth-child(even) .timeline-year {
        position: static;
        display: block;
        font-size: 1.5rem;
        opacity: 0.4;
        margin-bottom: 8px;
    }

    .timeline-content h3 {
        padding-right: 0;
    }

    /* Mobile Initiatives */
    .initiatives-grid {
        grid-template-columns: 1fr;
    }

    /* Mobile Recognition */
    .recognition-grid {
        grid-template-columns: 1fr;
    }

    /* Mobile Speaking */
    .speaking-grid {
        grid-template-columns: 1fr;
    }

    /* Mobile Contact */
    .contact-links {
        flex-direction: column;
        align-items: center;
    }

    .contact-link {
        width: 100%;
        max-width: 300px;
        justify-content: center;
    }

    .contact-orgs {
        flex-direction: column;
        gap: 12px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }

    .section-title {
        font-size: 1.5rem;
    }

    .btn {
        padding: 12px 24px;
        font-size: 0.85rem;
        width: 100%;
    }

    .hero-cta {
        flex-direction: column;
    }
}