/* Base styles */
:root {
    --font-heading: 'Playfair Display', serif;
    --font-body: 'Inter', sans-serif;
    --font-about: 'Roboto', sans-serif;
    --color-text: #ffffff;
    --color-background: #000000;
    --color-accent: #ffffff;
    --overlay-color-top: rgba(0, 0, 0, 0.2);
    --overlay-color-middle: rgba(0, 0, 0, 0.4);
    --overlay-color-bottom: rgba(0, 0, 0);
    --color-email-hover: #64ffda;
    --color-card-bg: rgba(255, 255, 255, 0.05);
    --color-card-border: rgba(255, 255, 255, 0.1);
}

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

body {
    font-family: var(--font-body);
    color: var(--color-text);
    background-color: var(--color-background);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    position: relative;
    overflow: hidden;
}

/* Spline Background */
.background-spline {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

/* Background Overlay */
.background-spline::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;

    pointer-events: none;
    z-index: 1;
}

/* Container */
.container {
    position: relative;
    z-index: 2;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    width: 100%;
    height: 100vh;
    margin: 0 auto;
    padding: 0 2rem;
    pointer-events: auto;
    padding-top: 4rem;
}

/* Header and Navigation */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 1rem 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    z-index: 100;
}

.nav-links ul {
    display: flex;
    justify-content: center;
    list-style: none;
    gap: 3rem;
}

.nav-links a {
    color: var(--color-text);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    transition: color 0.3s ease;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
    padding: 0.5rem 1rem;
    border-radius: 4px;
}

.nav-links a:hover {
    color: var(--color-accent);
    opacity: 0.8;
    background: rgba(255, 255, 255, 0.1);
}

/* Content */
.content {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    min-height: calc(100vh - 4rem);
    padding: 1rem;
}

.main-title {
    font-family: var(--font-heading);
    font-size: 15rem;
    font-weight: 200;
    letter-spacing: 0.05em;
    line-height: 1.2;
    text-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
    transform: translateY(-10%);
    margin: 0 auto;
    max-width: 100%;
    word-wrap: break-word;
}

/* Responsive Typography */
@media (max-width: 1200px) {
    .main-title {
        font-size: 10rem;
    }
}

@media (max-width: 768px) {
    .header {
        padding: 0.75rem 0;
    }

    .nav-links ul {
        gap: 0.5rem;
        padding: 0 1rem;
    }

    .nav-links a {
        font-size: 0.8rem;
        padding: 0.5rem;
    }

    .container {
        padding-top: 3rem;
    }

    .main-title {
        font-size: 5rem;
        transform: translateY(0);
    }
}

@media (max-width: 480px) {
    .nav-links ul {
        gap: 0.25rem;
    }

    .nav-links a {
        font-size: 0.75rem;
        padding: 0.4rem;
        letter-spacing: 0.05em;
    }

    .main-title {
        font-size: 3rem;
        padding: 0 1rem;
    }
}

/* About Section */
.about-section {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding: 3rem 0;
    transform: translateY(100%);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 10;
    height: auto;
    max-height: 90vh;
    overflow-y: auto;
    opacity: 0;
    will-change: transform, opacity;
    padding-bottom: calc(env(safe-area-inset-bottom) + 2rem);
}

.about-section.active {
    transform: translateY(0);
    opacity: 1;
}

.about-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    font-family: var(--font-about);
}

.about-content h2 {
    font-size: 2.5rem;
    font-weight: 300;
    margin-bottom: 2rem;
    color: var(--color-text);
    letter-spacing: 0.05em;
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.experience-section,
.interests-section {
    color: var(--color-text);
}

.experience-section h3,
.interests-section h3 {
    font-size: 1.5rem;
    font-weight: 400;
    margin-bottom: 1.5rem;
    color: var(--color-accent);
    letter-spacing: 0.03em;
}

.experience-section ul,
.interests-section ul {
    list-style: none;
}

.experience-section li,
.interests-section li {
    font-size: 1.1rem;
    font-weight: 300;
    margin-bottom: 1rem;
    line-height: 1.6;
    position: relative;
    padding-left: 1.5rem;
}

.experience-section li::before,
.interests-section li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--color-accent);
}

/* Responsive About Section */
@media (max-width: 768px) {
    .about-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .about-content h2 {
        font-size: 2rem;
    }

    .experience-section h3,
    .interests-section h3 {
        font-size: 1.25rem;
    }

    .experience-section li,
    .interests-section li {
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    .about-content h2 {
        font-size: 1.75rem;
    }

    .about-section {
        padding: 2rem 0;
    }
}

/* Contact Section */
.contact-section {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding: 4rem 0;
    transform: translateY(100%);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 10;
    opacity: 0;
    will-change: transform, opacity;
    padding-bottom: calc(env(safe-area-inset-bottom) + 2rem);
}

.contact-section.active {
    transform: translateY(0);
    opacity: 1;
}

.contact-content {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 2rem;
    text-align: center;
    font-family: var(--font-about);
}

.contact-content h2 {
    font-size: 3rem;
    font-weight: 300;
    margin-bottom: 1.5rem;
    color: var(--color-text);
    letter-spacing: 0.05em;
}

.contact-intro {
    font-size: 1.2rem;
    line-height: 1.6;
    margin-bottom: 2.5rem;
    color: rgba(255, 255, 255, 0.9);
    font-weight: 300;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.email-container {
    margin: 2.5rem 0;
    padding: 1.5rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.05);
    transition: all 0.3s ease;
}

.email-container:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

.email-link {
    color: var(--color-text);
    text-decoration: none;
    font-size: 1.5rem;
    font-weight: 400;
    letter-spacing: 0.02em;
    transition: all 0.3s ease;
    display: inline-block;
}

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

.contact-message {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.8);
    font-weight: 300;
    margin-top: 2rem;
}

/* Responsive Contact Section */
@media (max-width: 768px) {
    .contact-content h2 {
        font-size: 2.5rem;
    }

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

    .email-link {
        font-size: 1.2rem;
    }
}

@media (max-width: 480px) {
    .contact-content h2 {
        font-size: 2rem;
    }

    .contact-intro {
        font-size: 1rem;
    }

    .email-link {
        font-size: 1rem;
    }

    .contact-section {
        padding: 3rem 0;
    }
}

/* Projects Section */
.projects-section {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding: 4rem 0;
    transform: translateY(100%);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 10;
    height: auto;
    max-height: 90vh;
    overflow-y: auto;
    padding-bottom: calc(env(safe-area-inset-bottom) + 2rem);
}

.projects-section.active {
    transform: translateY(0);
}

.projects-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    font-family: var(--font-about);
}

.projects-content h2 {
    font-size: 3rem;
    font-weight: 300;
    margin-bottom: 3rem;
    color: var(--color-text);
    letter-spacing: 0.05em;
    text-align: center;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    padding: 1rem 0;
}

.project-card {
    background: var(--color-card-bg);
    border: 1px solid var(--color-card-border);
    border-radius: 8px;
    padding: 2rem;
    transition: all 0.3s ease;
}

.project-card:hover {
    transform: translateY(-4px);
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.2);
}

.project-card h3 {
    font-size: 1.5rem;
    font-weight: 400;
    margin-bottom: 1rem;
    color: var(--color-text);
}

.project-description {
    font-size: 1rem;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 1.5rem;
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.tech-tag {
    font-size: 0.8rem;
    padding: 0.25rem 0.75rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    color: var(--color-text);
}

.project-links {
    display: flex;
    gap: 1rem;
}

.project-link {
    flex: 1;
    padding: 0.75rem 1rem;
    text-align: center;
    text-decoration: none;
    color: var(--color-text);
    border: 1px solid var(--color-card-border);
    border-radius: 4px;
    transition: all 0.3s ease;
    font-size: 0.9rem;
}

.project-link:hover {
    background: var(--color-email-hover);
    border-color: var(--color-email-hover);
    color: #1a1a1a;
}

/* Project Stats */
.project-stats {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.7);
}

.project-stats .stat {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

/* Loading State */
.loading {
    text-align: center;
    padding: 3rem;
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.8);
    font-family: var(--font-body);
}

/* Pagination */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
    margin-top: 3rem;
    padding: 2rem 0;
}

.pagination-btn {
    background: var(--color-card-bg);
    border: 1px solid var(--color-card-border);
    color: var(--color-text);
    padding: 0.75rem 1rem;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: var(--font-body);
    font-size: 0.9rem;
    min-width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.pagination-btn:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-1px);
}

.pagination-btn.active {
    background: var(--color-email-hover);
    border-color: var(--color-email-hover);
    color: #1a1a1a;
    font-weight: 500;
}

.pagination-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

/* Responsive pagination */
@media (max-width: 480px) {
    .pagination {
        gap: 0.25rem;
        margin-top: 2rem;
    }
    
    .pagination-btn {
        padding: 0.5rem 0.75rem;
        font-size: 0.8rem;
        min-width: 36px;
        height: 36px;
    }
}

/* Responsive Projects Section */
@media (max-width: 768px) {
    .projects-content h2 {
        font-size: 2.5rem;
        margin-bottom: 2rem;
    }

    .projects-grid {
        grid-template-columns: 1fr;
    }

    .project-card {
        padding: 1.5rem;
    }
}

@media (max-width: 480px) {
    .projects-content h2 {
        font-size: 2rem;
    }

    .project-card h3 {
        font-size: 1.25rem;
    }

    .projects-section {
        padding: 3rem 0;
    }
}

/* Spline Loading Indicator */
.spline-loading {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: var(--color-text);
    font-family: var(--font-body);
    font-size: 1.2rem;
    z-index: 0;
    opacity: 0.7;
}

body.spline-loaded .spline-loading {
    display: none;
}

/* Ensure Spline viewer is visible */
spline-viewer {
    display: block;
    width: 100%;
    height: 100%;
    background: transparent;
}

/* Remove loading states */
body .background-spline {
    opacity: 1;
}

/* Adjust modal sections for mobile */
.about-section,
.contact-section,
.projects-section {
    height: auto;
    max-height: 90vh;
    padding-bottom: calc(env(safe-area-inset-bottom) + 2rem);
}

@supports (-webkit-touch-callout: none) {
    /* iOS specific padding for bottom sections */
    .about-section,
    .contact-section,
    .projects-section {
        padding-bottom: calc(env(safe-area-inset-bottom) + 4rem);
    }
}

/* Add safe area insets for iOS */
@supports (padding: max(0px)) {
    .header {
        padding-top: max(1rem, env(safe-area-inset-top));
        padding-left: max(1rem, env(safe-area-inset-left));
        padding-right: max(1rem, env(safe-area-inset-right));
    }

    .container {
        padding-top: max(4rem, env(safe-area-inset-top) + 3rem);
        padding-left: max(2rem, env(safe-area-inset-left));
        padding-right: max(2rem, env(safe-area-inset-right));
    }
}