/* ====================================
   CSS Variables & Root Styles
   ==================================== */

:root {
    /* Science Colors - Neutral, precise, technical */
    --color-science-primary: #475569;
    --color-science-secondary: #334155;
    --color-science-light: #e2e8f0;
    --color-science-bg: #f8fafc;
    
    /* Spirit Colors - Violet, healing, spiritual wisdom */
    --color-spirit-primary: #7c3aed;
    --color-spirit-secondary: #6d28d9;
    --color-spirit-light: #ede9fe;
    --color-spirit-bg: #faf5ff;
    
    /* Neutral Colors */
    --color-bg: #fafaf9;
    --color-white: #ffffff;
    --color-text: #1a1a1a;
    --color-text-light: #666666;
    --color-text-lighter: #999999;
    --color-border: #e5e5e5;
    --color-shadow: rgba(0, 0, 0, 0.1);
    
    /* Balance Color - Where both meet */
    --color-balance: #8b5cf6;
    --color-balance-light: #f5f3ff;
    
    /* Typography */
    --font-display: 'Crimson Pro', serif;
    --font-body: 'Lato', sans-serif;
    --font-accent: 'Cinzel', serif;
    
    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 2rem;
    --space-lg: 4rem;
    --space-xl: 6rem;
    --space-xxl: 8rem;
    
    /* Transitions */
    --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ====================================
   Reset & Base Styles
   ==================================== */

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

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

body {
    font-family: var(--font-body);
    font-weight: 400;
    color: var(--color-text);
    background-color: var(--color-bg);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ====================================
   Typography
   ==================================== */

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: var(--space-sm);
}

h1 { font-size: clamp(2.5rem, 6vw, 4.5rem); }
h2 { font-size: clamp(2rem, 4vw, 3.5rem); }
h3 { font-size: clamp(1.3rem, 2.5vw, 1.8rem); }

p {
    margin-bottom: var(--space-sm);
}

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

/* ====================================
   Container & Layout
   ==================================== */

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

section {
    padding: var(--space-xl) 0;
    position: relative;
}

/* ====================================
   Navigation
   ==================================== */

.nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: linear-gradient(to right, 
        rgba(248, 250, 252, 0.95) 0%, 
        rgba(250, 250, 249, 0.95) 50%, 
        rgba(250, 245, 255, 0.95) 100%);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-border);
    transition: var(--transition-base);
}

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

.nav-logo {
    font-family: var(--font-accent);
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--color-text);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo-science {
    color: var(--color-science-primary);
    font-size: 1.5rem;
}

.logo-text {
    color: var(--color-balance);
}

.logo-spirit {
    color: var(--color-spirit-primary);
    font-size: 1.5rem;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--space-md);
}

.nav-link {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--color-text-light);
    position: relative;
    padding: 0.25rem 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: linear-gradient(to right, var(--color-science-primary), var(--color-spirit-primary));
    transition: var(--transition-base);
}

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

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

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 0.35rem;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.nav-toggle span {
    width: 25px;
    height: 2px;
    background-color: var(--color-text);
    transition: var(--transition-base);
}

/* ====================================
   Hero Section
   ==================================== */

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    padding-top: 80px;
}

.hero-duality {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    z-index: -1;
}

.hero-side {
    flex: 1;
    position: relative;
}

.hero-science {
    background: linear-gradient(135deg, 
        var(--color-science-bg) 0%, 
        var(--color-bg) 100%);
}

.hero-science::before {
    content: '';
    position: absolute;
    top: 20%;
    left: 10%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, var(--color-science-light) 0%, transparent 70%);
    opacity: 0.4;
    animation: float 20s ease-in-out infinite;
}

.hero-spirit {
    background: linear-gradient(135deg, 
        var(--color-bg) 0%, 
        var(--color-spirit-bg) 100%);
}

.hero-spirit::before {
    content: '';
    position: absolute;
    top: 30%;
    right: 10%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, var(--color-spirit-light) 0%, transparent 70%);
    opacity: 0.4;
    animation: float 25s ease-in-out infinite reverse;
}

.hero-content {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
    z-index: 1;
}

.hero-greeting {
    font-family: var(--font-accent);
    font-size: 1rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-balance);
    margin-bottom: var(--space-sm);
    opacity: 0;
    animation: fadeIn 0.8s ease-out 0.2s forwards;
}

.hero-title {
    margin-bottom: var(--space-md);
}

.hero-name {
    display: block;
    background: linear-gradient(to right, 
        var(--color-science-primary) 0%, 
        var(--color-balance) 50%, 
        var(--color-spirit-primary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    opacity: 0;
    animation: fadeIn 0.8s ease-out 0.4s forwards;
}

.hero-roles {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--space-md);
    margin: var(--space-lg) 0;
    flex-wrap: wrap;
}

.role {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    border-radius: 8px;
    opacity: 0;
    animation: fadeInUp 0.8s ease-out 0.6s forwards;
}

.role-academic {
    background: var(--color-science-light);
    border: 2px solid var(--color-science-primary);
}

.role-spiritual {
    background: var(--color-spirit-light);
    border: 2px solid var(--color-spirit-primary);
}

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

.role-text h3 {
    font-size: 1.1rem;
    margin-bottom: 0.25rem;
}

.role-text p {
    font-size: 0.85rem;
    color: var(--color-text-light);
    margin: 0;
}

.role-divider {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    opacity: 0;
    animation: fadeIn 0.8s ease-out 0.8s forwards;
}

.divider-line {
    width: 40px;
    height: 1px;
    background: var(--color-border);
}

.divider-symbol {
    font-size: 1.5rem;
    color: var(--color-balance);
}

.hero-description {
    font-size: 1.15rem;
    line-height: 1.8;
    color: var(--color-text-light);
    max-width: 700px;
    margin: var(--space-md) auto;
    opacity: 0;
    animation: fadeIn 0.8s ease-out 1s forwards;
}

.hero-cta {
    display: flex;
    gap: var(--space-sm);
    justify-content: center;
    flex-wrap: wrap;
    margin-top: var(--space-lg);
    opacity: 0;
    animation: fadeIn 0.8s ease-out 1.2s forwards;
}

.scroll-prompt {
    position: absolute;
    bottom: var(--space-md);
    left: 50%;
    transform: translateX(-50%);
}

.scroll-line {
    width: 2px;
    height: 50px;
    background: linear-gradient(to bottom, 
        var(--color-science-primary), 
        var(--color-balance), 
        var(--color-spirit-primary));
    animation: scrollPulse 2s ease-in-out infinite;
}

/* ====================================
   Buttons
   ==================================== */

.btn {
    display: inline-block;
    padding: 1rem 2.5rem;
    font-family: var(--font-body);
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: 4px;
    cursor: pointer;
    transition: var(--transition-base);
    border: 2px solid transparent;
    text-align: center;
}

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

.btn-science:hover {
    background-color: var(--color-science-secondary);
    border-color: var(--color-science-secondary);
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(37, 99, 235, 0.3);
}

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

.btn-spirit:hover {
    background-color: var(--color-spirit-secondary);
    border-color: var(--color-spirit-secondary);
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(5, 150, 105, 0.3);
}

.btn-submit {
    background: linear-gradient(to right, 
        var(--color-science-primary), 
        var(--color-spirit-primary));
    color: var(--color-white);
    border: none;
    width: 100%;
}

.btn-submit:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(124, 58, 237, 0.3);
}

/* ====================================
   Section Headers
   ==================================== */

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

.section-icon {
    font-size: 3rem;
    display: block;
    margin-bottom: var(--space-sm);
}

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

.section-subtitle {
    font-size: 1.1rem;
    color: var(--color-text-light);
    font-style: italic;
    margin-top: var(--space-xs);
}

/* ====================================
   About Section
   ==================================== */

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

.about-content {
    max-width: 1000px;
    margin: 0 auto;
}

.about-timeline {
    position: relative;
    padding: var(--space-lg) 0;
}

.about-timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 3px;
    background: linear-gradient(to bottom,
        var(--color-science-primary) 0%,
        var(--color-science-primary) 30%,
        var(--color-balance) 50%,
        var(--color-spirit-primary) 70%,
        var(--color-spirit-primary) 100%);
    transform: translateX(-50%);
}

.timeline-item {
    display: flex;
    align-items: center;
    margin-bottom: var(--space-lg);
    position: relative;
}

.timeline-science .timeline-content {
    margin-right: auto;
    margin-left: 0;
    padding-right: calc(50% + var(--space-md));
    text-align: right;
}

.timeline-spirit .timeline-content {
    margin-left: auto;
    margin-right: 0;
    padding-left: calc(50% + var(--space-md));
    text-align: left;
}

.timeline-transition .timeline-content {
    margin: 0 auto;
    text-align: center;
    max-width: 600px;
}

.timeline-marker {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background-color: var(--color-white);
    border: 3px solid var(--color-science-primary);
    z-index: 2;
}

.timeline-spirit .timeline-marker {
    border-color: var(--color-spirit-primary);
}

.timeline-marker-balance {
    width: 30px;
    height: 30px;
    border-color: var(--color-balance);
    background: var(--color-balance-light);
}

.timeline-content {
    background-color: var(--color-bg);
    padding: var(--space-md);
    border-radius: 8px;
    box-shadow: 0 5px 20px var(--color-shadow);
    transition: var(--transition-base);
}

.timeline-content:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px var(--color-shadow);
}

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

.timeline-content p {
    color: var(--color-text-light);
    margin: 0;
}

.timeline-content-center {
    background: linear-gradient(135deg, 
        var(--color-science-light) 0%, 
        var(--color-balance-light) 50%, 
        var(--color-spirit-light) 100%);
}

.about-philosophy {
    margin-top: var(--space-xl);
    text-align: center;
}

.philosophy-quote {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-style: italic;
    color: var(--color-balance);
    margin-bottom: var(--space-md);
    padding: var(--space-md);
    border-left: 4px solid var(--color-balance);
    background: var(--color-balance-light);
}

.philosophy-text {
    font-size: 1.05rem;
    line-height: 1.8;
    color: var(--color-text-light);
    max-width: 800px;
    margin: 0 auto;
}

/* ====================================
   Academic Section
   ==================================== */

.academic {
    background: linear-gradient(135deg, var(--color-science-bg) 0%, var(--color-bg) 100%);
    position: relative;
}

.section-decoration {
    position: absolute;
    width: 300px;
    height: 300px;
    opacity: 0.1;
}

.decoration-left {
    top: 10%;
    left: 0;
    background: radial-gradient(circle, var(--color-science-primary) 0%, transparent 70%);
}

.decoration-right {
    bottom: 10%;
    right: 0;
    background: radial-gradient(circle, var(--color-spirit-primary) 0%, transparent 70%);
}

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

.academic-card {
    background-color: var(--color-white);
    padding: var(--space-md);
    border-radius: 8px;
    border: 2px solid var(--color-border);
    transition: var(--transition-base);
}

.academic-card:hover {
    border-color: var(--color-science-primary);
    transform: translateY(-8px);
    box-shadow: 0 15px 40px rgba(37, 99, 235, 0.15);
}

.card-highlight {
    border-color: var(--color-science-primary);
    background: linear-gradient(135deg, var(--color-white) 0%, var(--color-science-light) 100%);
}

.card-icon {
    width: 60px;
    height: 60px;
    margin-bottom: var(--space-sm);
    color: var(--color-science-primary);
}

.card-icon svg {
    width: 100%;
    height: 100%;
}

.academic-card h3 {
    color: var(--color-text);
    margin-bottom: var(--space-sm);
}

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

.card-list li {
    padding: var(--space-xs) 0;
    border-bottom: 1px solid var(--color-border);
}

.card-list li:last-child {
    border-bottom: none;
}

.card-list strong {
    display: block;
    color: var(--color-text);
    margin-bottom: 0.25rem;
}

.card-list span {
    font-size: 0.9rem;
    color: var(--color-text-light);
}

.academic-skills {
    grid-column: 1 / -1;
}

.skills-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-xs);
    margin-top: var(--space-sm);
}

.skill-tag {
    padding: 0.5rem 1rem;
    background-color: var(--color-science-light);
    color: var(--color-science-secondary);
    border: 1px solid var(--color-science-primary);
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--transition-base);
}

.skill-tag:hover {
    background-color: var(--color-science-primary);
    color: var(--color-white);
    transform: translateY(-2px);
}

/* ====================================
   Spiritual Section
   ==================================== */

.spiritual {
    background: linear-gradient(135deg, var(--color-bg) 0%, var(--color-spirit-bg) 100%);
    position: relative;
}

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

.spiritual-card {
    background-color: var(--color-white);
    padding: var(--space-md);
    border-radius: 8px;
    border: 2px solid var(--color-border);
    transition: var(--transition-base);
    position: relative;
    overflow: hidden;
}

.spiritual-card:hover {
    border-color: var(--color-spirit-primary);
    transform: translateY(-8px);
    box-shadow: 0 15px 40px rgba(5, 150, 105, 0.15);
}

.spiritual-card.card-highlight {
    border-color: var(--color-spirit-primary);
    background: linear-gradient(135deg, var(--color-white) 0%, var(--color-spirit-light) 100%);
}

.card-mandala {
    width: 100px;
    height: 100px;
    margin: 0 auto var(--space-sm);
    color: var(--color-spirit-primary);
    opacity: 0.6;
}

.card-mandala svg {
    width: 100%;
    height: 100%;
    animation: rotate 30s linear infinite;
}

.spiritual-card h3 {
    text-align: center;
    color: var(--color-text);
    margin-bottom: var(--space-sm);
}

.card-description {
    text-align: center;
    color: var(--color-text-light);
    margin-bottom: var(--space-md);
    line-height: 1.7;
}

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

.detail-item {
    display: flex;
    justify-content: space-between;
    padding: var(--space-xs);
    background-color: var(--color-spirit-light);
    border-radius: 4px;
}

.detail-label {
    font-weight: 600;
    color: var(--color-spirit-secondary);
}

.detail-value {
    color: var(--color-text-light);
    font-size: 0.9rem;
}

.spiritual-philosophy {
    margin-top: var(--space-xl);
}

.philosophy-box {
    background-color: var(--color-white);
    padding: var(--space-lg);
    border-radius: 8px;
    border-left: 4px solid var(--color-spirit-primary);
    max-width: 900px;
    margin: 0 auto;
}

.philosophy-box h4 {
    color: var(--color-spirit-primary);
    margin-bottom: var(--space-sm);
    text-align: center;
}

.philosophy-box p {
    color: var(--color-text-light);
    line-height: 1.8;
}

/* ====================================
   Integration Section
   ==================================== */

.integration {
    background: linear-gradient(135deg,
        var(--color-science-light) 0%,
        var(--color-balance-light) 50%,
        var(--color-spirit-light) 100%);
    padding: var(--space-xxl) 0;
}

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

.integration-title {
    max-width: 800px;
    margin: 0 auto var(--space-lg);
    color: var(--color-balance);
}

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

.integration-item {
    background-color: var(--color-white);
    padding: var(--space-lg);
    border-radius: 8px;
    box-shadow: 0 10px 30px var(--color-shadow);
    transition: var(--transition-base);
}

.integration-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 50px rgba(124, 58, 237, 0.2);
}

.integration-number {
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 700;
    color: var(--color-balance);
    opacity: 0.3;
    margin-bottom: var(--space-sm);
}

.integration-item h3 {
    color: var(--color-text);
    margin-bottom: var(--space-sm);
}

.integration-item p {
    color: var(--color-text-light);
    line-height: 1.7;
    margin: 0;
}

/* ====================================
   Contact Section
   ==================================== */

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

.contact-wrapper {
    max-width: 1000px;
    margin: 0 auto;
}

.contact-sides {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
}

.contact-side {
    padding: var(--space-md);
    border-radius: 8px;
    border: 2px solid var(--color-border);
}

.contact-academic {
    background: linear-gradient(135deg, var(--color-science-light) 0%, var(--color-white) 100%);
    border-color: var(--color-science-primary);
}

.contact-spiritual {
    background: linear-gradient(135deg, var(--color-spirit-light) 0%, var(--color-white) 100%);
    border-color: var(--color-spirit-primary);
}

.contact-side h3 {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    margin-bottom: var(--space-sm);
}

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

.contact-side p {
    color: var(--color-text-light);
    margin-bottom: var(--space-md);
}

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

.contact-method {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm);
    background-color: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: 4px;
    transition: var(--transition-base);
    color: var(--color-text-light);
}

.contact-method:hover {
    color: var(--color-text);
    transform: translateX(5px);
    box-shadow: 0 5px 15px var(--color-shadow);
}

.contact-method svg {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

.contact-academic .contact-method:hover {
    border-color: var(--color-science-primary);
}

.contact-spiritual .contact-method:hover {
    border-color: var(--color-spirit-primary);
}

/* ====================================
   Contact Form
   ==================================== */

.contact-form-wrapper {
    background-color: var(--color-bg);
    padding: var(--space-lg);
    border-radius: 8px;
    border: 2px solid var(--color-border);
}

.contact-form-wrapper h3 {
    text-align: center;
    margin-bottom: var(--space-md);
    color: var(--color-text);
}

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

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-sm);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-text);
}

.form-group input,
.form-group textarea,
.form-group select {
    padding: 0.9rem;
    border: 2px solid var(--color-border);
    border-radius: 4px;
    background-color: var(--color-white);
    font-family: var(--font-body);
    font-size: 1rem;
    color: var(--color-text);
    transition: var(--transition-base);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--color-balance);
    box-shadow: 0 0 0 3px var(--color-balance-light);
}

.form-group textarea {
    resize: vertical;
}

/* ====================================
   Footer
   ==================================== */

.footer {
    background: linear-gradient(to right,
        var(--color-science-secondary) 0%,
        var(--color-balance) 50%,
        var(--color-spirit-secondary) 100%);
    color: var(--color-white);
    padding: var(--space-lg) 0;
}

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

.footer-quote {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-style: italic;
    margin-bottom: var(--space-md);
    opacity: 0.9;
}

.footer-quote p {
    color: var(--color-white);
}

.footer-copyright {
    font-size: 0.9rem;
    opacity: 0.7;
    color: var(--color-white);
}

/* ====================================
   Animations
   ==================================== */

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

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

@keyframes scrollPulse {
    0%, 100% {
        opacity: 0.3;
        transform: scaleY(1);
    }
    50% {
        opacity: 1;
        transform: scaleY(1.2);
    }
}

@keyframes float {
    0%, 100% {
        transform: translateY(0) rotate(0deg);
    }
    50% {
        transform: translateY(-20px) rotate(5deg);
    }
}

@keyframes rotate {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

/* ====================================
   Responsive Design
   ==================================== */

@media (max-width: 968px) {
    :root {
        --space-xl: 4rem;
        --space-lg: 3rem;
        --space-xxl: 5rem;
    }
    
    .hero-roles {
        flex-direction: column;
    }
    
    .role-divider {
        transform: rotate(90deg);
    }
    
    .about-timeline::before {
        left: 30px;
    }
    
    .timeline-science .timeline-content,
    .timeline-spirit .timeline-content {
        margin-left: 60px;
        margin-right: 0;
        padding: var(--space-sm);
        text-align: left;
    }
    
    .timeline-marker {
        left: 30px;
    }
    
    .contact-sides {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        left: 0;
        width: 100%;
        flex-direction: column;
        background-color: var(--color-white);
        padding: var(--space-md);
        gap: var(--space-sm);
        transform: translateX(-100%);
        transition: var(--transition-base);
        box-shadow: 0 10px 30px var(--color-shadow);
    }
    
    .nav-menu.active {
        transform: translateX(0);
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    :root {
        --space-md: 1.5rem;
        --space-lg: 2rem;
        --space-xl: 3rem;
    }
    
    .hero-cta {
        flex-direction: column;
        width: 100%;
    }
    
    .btn {
        width: 100%;
    }
}