/* ========================================
   CSS Variables - March Palette
   ======================================== */
:root {
    /* March Color Palette */
    --black-coffee: #3B3330;
    --russet: #964A2C;
    --deer: #CF8B3D;
    --shamrock-snake: #F3F0E3;
    --woodlands: #4B5947;
    --dark-vanilla: #D9C7B0;
    
    /* Gradients */
    --gradient-warm: linear-gradient(135deg, var(--dark-vanilla) 0%, var(--shamrock-snake) 100%);
    --gradient-accent: linear-gradient(135deg, var(--russet) 0%, var(--deer) 100%);
    
    /* Typography - Modern Sans Serif */
    --font-display: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    /* Borders */
    --border-radius: 8px;
    --border-radius-lg: 16px;
}

/* Import Inter font */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

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

body {
    font-family: var(--font-body);
    background: var(--black-coffee);
    color: var(--shamrock-snake);
    line-height: 1.7;
    font-size: 18px;
    overflow-x: hidden;
}

::selection {
    background: var(--woodlands);
    color: var(--shamrock-snake);
}

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

h1 {
    font-size: 4rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

h2 {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
}

h3 {
    font-size: 2rem;
}

h4 {
    font-size: 1.5rem;
}

h5 {
    font-size: 1.25rem;
}

p {
    margin-bottom: 1.5rem;
}

a {
    color: var(--russet);
    text-decoration: none;
    transition: all 0.3s ease;
}

a:hover {
    color: var(--deer);
}

/* ========================================
   Navigation
   ======================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--woodlands);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(75, 89, 71, 0.3);
    z-index: 1000;
    animation: slideDown 0.6s ease;
}

@keyframes slideDown {
    from {
        transform: translateY(-100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 1.5rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--shamrock-snake);
    letter-spacing: 0.02em;
}

/* Hide logo on index page */
.landing-page .logo {
    opacity: 0;
    pointer-events: none;
}

.nav-links {
    display: flex;
    gap: 2.5rem;
    list-style: none;
}

.nav-link {
    font-family: var(--font-display);
    font-size: 1.3rem;
    font-weight: 500;
    color: var(--shamrock-snake);
    position: relative;
    transition: color 0.3s ease;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--russet);
    transition: width 0.3s ease;
}

.nav-link:hover,
.nav-link.active {
    color: var(--dark-vanilla);
}

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

/* ========================================
   Landing Page / Hero Section
   ======================================== */
main {
    margin-top: 80px;
    min-height: calc(100vh - 80px);
}

.landing-page {
    position: relative;
    min-height: calc(100vh - 80px);
    background: var(--black-coffee);
    overflow: hidden;
}

.hero-section {
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--spacing-xl) 2rem;
    position: relative;
    z-index: 2;
}

.content-wrapper {
    position: relative;
}

.profile-card {
    display: grid;
    grid-template-columns: 400px 1fr;
    gap: var(--spacing-lg);
    align-items: center;
    animation: fadeInUp 0.8s ease 0.2s both;
}

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

.image-container {
    position: relative;
}

.profile-image {
    width: 400px;
    height: 400px;
    object-fit: cover;
    border-radius: 50%;
    box-shadow: 
        0 20px 60px rgba(150, 74, 44, 0.3),
        0 0 0 20px rgba(150, 74, 44, 0.15);
    transition: transform 0.5s ease;
}

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

.about-section {
    padding: var(--spacing-md);
}

.name {
    margin-bottom: var(--spacing-xs);
    color: var(--shamrock-snake);
}

.tagline {
    font-family: var(--font-display);
    font-size: 1.5rem;
    color: var(--dark-vanilla);
    margin-bottom: var(--spacing-md);
    font-weight: 400;
}

.about-text p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--dark-vanilla);
}

/* Geometric Grid Animation */
.decorative-elements {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
    overflow: hidden;
}

.circle-accent {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(var(--russet) 1px, transparent 1px),
        linear-gradient(90deg, var(--russet) 1px, transparent 1px);
    background-size: 50px 50px;
    opacity: 0.03;
    animation: gridMove 20s linear infinite;
}

@keyframes gridMove {
    0% {
        transform: translate(0, 0);
    }
    100% {
        transform: translate(50px, 50px);
    }
}

.line-accent {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(45deg, transparent 48%, var(--deer) 48%, var(--deer) 52%, transparent 52%);
    background-size: 100px 100px;
    opacity: 0.02;
    animation: diagonalMove 15s linear infinite reverse;
}

@keyframes diagonalMove {
    0% {
        transform: translate(0, 0);
    }
    100% {
        transform: translate(100px, 100px);
    }
}

/* ========================================
   Page Layout (Professional/Personal/Contact)
   ======================================== */
.professional-page,
.personal-page,
.contact-page {
    background: var(--black-coffee);
    padding-bottom: var(--spacing-xl);
}

.page-header {
    background: transparent;
    padding: var(--spacing-xl) 2rem var(--spacing-lg);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 100%;
    background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><circle cx="50" cy="50" r="1" fill="%23964A2C" opacity="0.3"/></svg>');
    background-size: 50px 50px;
    opacity: 0.2;
    animation: patternMove 20s linear infinite;
}

@keyframes patternMove {
    from {
        transform: translateX(0);
    }
    to {
        transform: translateX(50px);
    }
}

.page-title {
    position: relative;
    z-index: 2;
    animation: fadeInUp 0.6s ease;
    color: var(--shamrock-snake);
}

.page-subtitle {
    font-family: var(--font-display);
    font-size: 1.4rem;
    color: var(--dark-vanilla);
    font-weight: 400;
    position: relative;
    z-index: 2;
    animation: fadeInUp 0.6s ease 0.1s both;
}

/* ========================================
   Resume Section
   ======================================== */
.resume-section {
    max-width: 1000px;
    margin: var(--spacing-lg) auto;
    padding: 0 2rem;
}

.section-header {
    margin-bottom: var(--spacing-lg);
    animation: fadeInUp 0.6s ease;
}

.section-header h2 {
    color: var(--shamrock-snake);
}

.section-subtitle {
    font-family: var(--font-display);
    font-size: 1.2rem;
    color: var(--dark-vanilla);
    font-weight: 400;
}

.resume-content {
    background: white;
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-lg);
    box-shadow: 0 5px 20px rgba(59, 51, 48, 0.1);
    animation: fadeInUp 0.6s ease 0.1s both;
}

.resume-header {
    text-align: center;
    padding-bottom: var(--spacing-md);
    border-bottom: 2px solid var(--dark-vanilla);
    margin-bottom: var(--spacing-lg);
}

.resume-header h3 {
    font-size: 2.5rem;
    color: var(--black-coffee);
    margin-bottom: var(--spacing-sm);
}

.contact-info {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
    font-size: 1rem;
    color: var(--woodlands);
}

.contact-info span {
    color: var(--woodlands);
}

.contact-info a {
    color: var(--russet);
}

.resume-block {
    margin-bottom: var(--spacing-lg);
}

.resume-block:last-child {
    margin-bottom: 0;
}

.block-title {
    font-size: 1.8rem;
    color: var(--black-coffee);
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-xs);
    border-bottom: 2px solid var(--russet);
}

.resume-block > p {
    color: var(--black-coffee);
    line-height: 1.7;
}

.job {
    margin-bottom: var(--spacing-lg);
}

.job:last-child {
    margin-bottom: 0;
}

.job-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--spacing-sm);
}

.job-header h5 {
    font-size: 1.3rem;
    color: var(--black-coffee);
    margin-bottom: 0.3rem;
}

.company {
    font-size: 1rem;
    color: var(--woodlands);
    font-weight: 500;
    margin: 0;
}

.school {
    font-size: 1rem;
    color: var(--woodlands);
    font-weight: 500;
    margin: 0;
}

.dates {
    font-family: var(--font-display);
    font-size: 1rem;
    color: var(--russet);
    font-weight: 600;
    white-space: nowrap;
    margin: 0;
}

.achievements {
    list-style: none;
    padding-left: 0;
}

.achievements li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.8rem;
    color: var(--black-coffee);
    line-height: 1.6;
}

.achievements li::before {
    content: '▸';
    position: absolute;
    left: 0;
    color: var(--russet);
    font-weight: bold;
}

.education-item {
    margin-bottom: var(--spacing-md);
}

.education-item:last-child {
    margin-bottom: 0;
}

.education-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

.education-header h5 {
    font-size: 1.2rem;
    color: var(--black-coffee);
    margin-bottom: 0.3rem;
}

/* ========================================
   Projects Section
   ======================================== */
.projects-section {
    max-width: 1200px;
    margin: 0 auto var(--spacing-lg);
    padding: 0 2rem;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-md);
}

.project-card {
    background: white;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(59, 51, 48, 0.1);
    transition: all 0.3s ease;
    animation: fadeInUp 0.6s ease both;
}

.project-card:nth-child(1) { animation-delay: 0.1s; }
.project-card:nth-child(2) { animation-delay: 0.2s; }
.project-card:nth-child(3) { animation-delay: 0.3s; }

.project-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 40px rgba(59, 51, 48, 0.15);
}

.project-image {
    height: 200px;
    background: var(--gradient-warm);
    display: flex;
    align-items: center;
    justify-content: center;
}

.project-placeholder {
    font-family: var(--font-display);
    font-size: 1.2rem;
    color: var(--woodlands);
    font-weight: 600;
}

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

.project-title {
    font-size: 1.5rem;
    color: var(--black-coffee);
    margin-bottom: var(--spacing-sm);
}

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

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tag {
    padding: 0.4rem 0.9rem;
    background: var(--dark-vanilla);
    color: var(--black-coffee);
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
}

/* ========================================
   Personal Page - Hobbies
   ======================================== */
.hobbies-section {
    max-width: 1200px;
    margin: 0 auto var(--spacing-xl);
    padding: 0 2rem;
}

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

.hobby-card {
    background: white;
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-lg);
    box-shadow: 0 5px 20px rgba(59, 51, 48, 0.1);
    transition: all 0.3s ease;
    animation: fadeInUp 0.6s ease both;
}

.hobby-card:nth-child(1) { animation-delay: 0.1s; }
.hobby-card:nth-child(2) { animation-delay: 0.2s; }
.hobby-card:nth-child(3) { animation-delay: 0.3s; }
.hobby-card:nth-child(4) { animation-delay: 0.4s; }

.hobby-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(59, 51, 48, 0.15);
}

.hobby-icon {
    width: 70px;
    height: 70px;
    background: var(--gradient-accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-md);
}

.hobby-icon svg {
    width: 35px;
    height: 35px;
    color: white;
}

.hobby-card h3 {
    font-size: 1.5rem;
    color: var(--black-coffee);
    margin-bottom: var(--spacing-sm);
}

.hobby-card p {
    color: var(--woodlands);
    line-height: 1.6;
    margin: 0;
}

/* ========================================
   Personal Page - Blog
   ======================================== */
.blog-section {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 2rem;
}

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

.blog-post {
    background: white;
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-lg);
    border-left: 4px solid var(--russet);
    box-shadow: 0 5px 20px rgba(59, 51, 48, 0.1);
    transition: all 0.3s ease;
    animation: fadeInUp 0.6s ease both;
}

.blog-post:nth-child(1) { animation-delay: 0.1s; }
.blog-post:nth-child(2) { animation-delay: 0.2s; }
.blog-post:nth-child(3) { animation-delay: 0.3s; }

.blog-post:hover {
    transform: translateX(8px);
    box-shadow: 0 10px 30px rgba(59, 51, 48, 0.15);
}

.post-meta {
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
    margin-bottom: var(--spacing-sm);
    font-size: 0.95rem;
    color: var(--woodlands);
}

.post-meta time {
    font-family: var(--font-display);
    font-weight: 500;
}

.post-category {
    padding: 0.3rem 0.8rem;
    background: var(--dark-vanilla);
    color: var(--black-coffee);
    border-radius: 15px;
    font-family: var(--font-display);
    font-size: 0.85rem;
    font-weight: 500;
}

.post-title {
    font-size: 1.8rem;
    margin-bottom: var(--spacing-md);
    color: var(--black-coffee);
}

.post-content p {
    color: var(--woodlands);
    line-height: 1.7;
}

/* ========================================
   Contact Page
   ======================================== */
.contact-page {
    min-height: calc(100vh - 80px);
}

.contact-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-lg) 2rem;
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: var(--spacing-lg);
    align-items: start;
}

.contact-info-card {
    background: white;
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-lg);
    box-shadow: 0 5px 20px rgba(59, 51, 48, 0.1);
    position: sticky;
    top: 120px;
    animation: fadeInUp 0.6s ease;
}

.contact-info-card h2 {
    font-size: 2rem;
    margin-bottom: var(--spacing-md);
    color: var(--black-coffee);
}

.contact-info-card > p {
    color: var(--woodlands);
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
}

.email-display {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background: var(--dark-vanilla);
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-md);
}

.email-display svg {
    width: 24px;
    height: 24px;
    color: var(--russet);
    flex-shrink: 0;
}

.email-display a {
    font-family: var(--font-display);
    font-size: 1.1rem;
    color: var(--russet);
    word-break: break-all;
    font-weight: 500;
}

.response-time {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--woodlands);
    font-size: 0.95rem;
}

.response-time svg {
    width: 20px;
    height: 20px;
    color: var(--deer);
    flex-shrink: 0;
}

.response-time p {
    margin: 0;
}

/* Contact Form */
.contact-form-container {
    position: relative;
    animation: fadeInUp 0.6s ease 0.1s both;
}

.contact-form {
    background: white;
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-lg);
    box-shadow: 0 5px 20px rgba(59, 51, 48, 0.1);
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: block;
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--black-coffee);
    margin-bottom: var(--spacing-xs);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.9rem 1.2rem;
    border: 2px solid var(--dark-vanilla);
    border-radius: var(--border-radius);
    font-family: var(--font-body);
    font-size: 1rem;
    color: var(--black-coffee);
    background: var(--shamrock-snake);
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--russet);
    background: white;
    box-shadow: 0 0 0 3px rgba(150, 74, 44, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 150px;
}

.submit-button {
    width: 100%;
    padding: 1.1rem 2rem;
    background: var(--gradient-accent);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    font-family: var(--font-display);
    font-size: 1.2rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.submit-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(150, 74, 44, 0.3);
}

.submit-button:active {
    transform: translateY(0);
}

.form-success {
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: var(--spacing-xl);
    background: white;
    border-radius: var(--border-radius-lg);
    box-shadow: 0 5px 20px rgba(59, 51, 48, 0.1);
    min-height: 400px;
}

.form-success svg {
    width: 80px;
    height: 80px;
    color: var(--russet);
    margin-bottom: var(--spacing-md);
    animation: scaleIn 0.5s ease;
}

@keyframes scaleIn {
    from {
        transform: scale(0);
        opacity: 0;
    }
    to {
        transform: scale(1);
        opacity: 1;
    }
}

.form-success h3 {
    font-size: 2rem;
    color: var(--black-coffee);
    margin-bottom: var(--spacing-sm);
}

.form-success p {
    color: var(--woodlands);
    font-size: 1.1rem;
    margin: 0;
}

/* ========================================
   Footer
   ======================================== */
.footer {
    background: var(--black-coffee);
    color: var(--dark-vanilla);
    padding: var(--spacing-lg) 2rem var(--spacing-md);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--russet), transparent);
}

.social-links {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.social-link {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(243, 240, 227, 0.1);
    border-radius: 50%;
    transition: all 0.3s ease;
}

.social-link:hover {
    background: var(--russet);
    transform: translateY(-5px) rotate(15deg);
}

.social-link svg {
    width: 24px;
    height: 24px;
    color: var(--dark-vanilla);
}

.copyright {
    font-family: var(--font-display);
    font-size: 0.95rem;
    color: var(--woodlands);
    margin: 0;
}

/* ========================================
   Responsive Design
   ======================================== */
@media (max-width: 1024px) {
    .profile-card {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--spacing-md);
    }
    
    .profile-image {
        width: 300px;
        height: 300px;
        margin: 0 auto;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .contact-info-card {
        position: static;
    }
}

@media (max-width: 768px) {
    h1 {
        font-size: 3rem;
    }
    
    h2 {
        font-size: 2.2rem;
    }
    
    .nav-container {
        flex-direction: column;
        gap: 1rem;
    }
    
    .nav-links {
        gap: 1.5rem;
    }
    
    .nav-link {
        font-size: 1.1rem;
    }
    
    .job-header {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .dates {
        align-self: flex-start;
    }
    
    .projects-grid,
    .hobbies-grid {
        grid-template-columns: 1fr;
    }
    
    .profile-image {
        width: 250px;
        height: 250px;
    }
}

@media (max-width: 480px) {
    body {
        font-size: 16px;
    }
    
    h1 {
        font-size: 2.5rem;
    }
    
    .nav-links {
        flex-direction: column;
        gap: 1rem;
        align-items: center;
    }
    
    .nav-link {
        font-size: 1rem;
    }
    
    .page-header {
        padding: var(--spacing-lg) 1rem;
    }
    
    .resume-content,
    .contact-form,
    .hobby-card,
    .blog-post {
        padding: var(--spacing-md);
    }
}