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

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

:root {
    /* Colors */
    --color-primary: #000000;
    --color-text: rgba(0, 0, 0, 0.8);
    --color-text-light: rgba(0, 0, 0, 0.5);
    --color-text-tag: rgb(54, 110, 145);
    --color-background: #ffffff;
    --color-card-background: #ffffff;

    /* Accent Colors */
    --accent-1: rgb(247, 69, 164);
    --accent-2: rgb(255, 145, 31);
    --accent-3: rgb(102, 205, 170);

    /* Typography */
    --font-serif: 'EB Garamond', serif;
    --font-sans: 'Satoshi', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

    /* Font Sizes */
    --fs-hero-name: 64px;
    --fs-hero-title: 24px;
    --fs-hero-text: 20px;
    --fs-section-title: 48px;
    --fs-project-title: 28px;
    --fs-project-text: 16px;
    --fs-footer-title: 48px;
    --fs-footer-text: 18px;
    --fs-nav: 18px;

    /* Spacing */
    --spacing-xs: 8px;
    --spacing-sm: 16px;
    --spacing-md: 24px;
    --spacing-lg: 32px;
    --spacing-xl: 48px;
    --spacing-xxl: 64px;
    --spacing-xxxl: 96px;

    /* Layout */
    --container-max-width: 600px;
    --container-padding: 32px;

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-medium: 0.3s ease;
    --transition-slow: 0.5s ease;

    /* Shadows */
    --shadow-card: 0 4px 12px rgba(0, 0, 0, 0.08);
    --shadow-card-hover: 0 12px 24px rgba(0, 0, 0, 0.12);
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-background);
    overflow-x: hidden;
}

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

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

/* ================================
   Container
   ================================ */

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

/* ================================
   Header & Navigation
   ================================ */

.header {
    padding: var(--spacing-lg) 0;
    position: sticky;
    top: 0;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.nav-links {
    display: flex;
    gap: var(--spacing-lg);
    align-items: center;
    justify-content: center;
}

.nav-link,
.footer-link,
.mobile-nav-link {
    position: relative;
    font-size: var(--fs-nav);
    font-weight: 400;
    letter-spacing: 0.02em;
    line-height: 1.4;
    transition: opacity var(--transition-fast);
    display: inline-block;
}

.nav-link:hover,
.footer-link:hover,
.mobile-nav-link:hover {
    opacity: 0.7;
}

.nav-underline {
    position: absolute;
    left: 0;
    bottom: -4px;
    width: 100%;
    height: 3px;
    opacity: 0;
    transform: scaleX(0);
    transform-origin: left;
    transition: all var(--transition-medium);
}

.nav-link:hover .nav-underline,
.footer-link:hover .nav-underline,
.mobile-nav-link:hover .nav-underline {
    opacity: 1;
    transform: scaleX(1);
}

/* Mobile Navigation - Hidden on Desktop */
.mobile-nav {
    display: none;
    flex-direction: column;
    gap: var(--spacing-md);
    margin-top: var(--spacing-xl);
}

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

.hero {
    padding: var(--spacing-xxxl) 0;
}

.hero-content {
    margin-bottom: var(--spacing-xxl);
}

.hero-name {
    font-family: var(--font-serif);
    font-size: var(--fs-hero-name);
    font-weight: 400;
    line-height: 1.2;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.hero-title {
    font-family: var(--font-serif);
    font-size: var(--fs-hero-title);
    font-weight: 400;
    font-style: italic;
    color: var(--color-text);
    margin-bottom: var(--spacing-md);
}

.hero-tagline {
    font-size: var(--fs-hero-text);
    color: var(--color-text-light);
    max-width: 500px;
}

.hero-description {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.hero-text {
    font-size: var(--fs-hero-text);
    line-height: 1.6;
    color: var(--color-text);
}

/* ================================
   Work Section
   ================================ */

.work {
    padding: var(--spacing-xxl) 0 var(--spacing-xxxl) 0;
}

.section-title {
    font-family: var(--font-serif);
    font-size: var(--fs-section-title);
    font-weight: 400;
    line-height: 1.2;
    color: var(--color-primary);
    margin-bottom: var(--spacing-xxl);
}

.work-grid {
    display: grid;
    gap: var(--spacing-xl);
}

/* ================================
   Project Cards
   ================================ */

.project-card {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.project-card.animate-in {
    opacity: 1;
    transform: translateY(0);
}

.project-link {
    display: block;
    background-color: var(--color-card-background);
    border-radius: 14px;
    overflow: hidden;
    box-shadow: var(--shadow-card);
    transition: all var(--transition-medium);
    will-change: transform;
}

.project-link:hover {
    transform: scale(1.02);
    box-shadow: var(--shadow-card-hover);
}

.project-images {
    position: relative;
    width: 100%;
    aspect-ratio: 2 / 1;
    overflow: hidden;
}

.project-image-wrapper {
    position: relative;
    width: 100%;
    height: 100%;
}

.project-images .project-image-wrapper:first-child {
    position: absolute;
    top: 0;
    left: 0;
}

.project-image-animated-wrapper {
    opacity: 0;
    transition: opacity var(--transition-medium);
}

.project-link:hover .project-image-animated-wrapper {
    opacity: 1;
}

.project-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

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

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

.project-title {
    font-family: var(--font-serif);
    font-size: var(--fs-project-title);
    font-weight: 500;
    line-height: 1.3;
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
}

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

.project-tags {
    font-size: 14px;
    color: var(--color-text-tag);
    margin-bottom: var(--spacing-xs);
    line-height: 1.5;
}

.project-tags em {
    font-style: italic;
}

.project-read-time {
    font-size: 14px;
    color: var(--color-text-light);
}

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

.footer {
    background-color: var(--color-background);
    padding: var(--spacing-xxxl) 0 var(--spacing-xxl) 0;
    border-top: 1px solid rgba(0, 0, 0, 0.1);
}

.footer-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xxl);
}

.footer-cta {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.footer-title {
    font-family: var(--font-serif);
    font-size: var(--fs-footer-title);
    font-weight: 400;
    line-height: 1.2;
    color: var(--color-primary);
}

.footer-availability {
    font-size: var(--fs-footer-text);
    font-weight: 400;
    letter-spacing: 0.02em;
    line-height: 1.4;
    color: var(--color-text);
}

.footer-links {
    display: flex;
    gap: var(--spacing-lg);
    align-items: left;
    justify-content: left;
}

.footer-link {
    font-size: var(--fs-footer-text);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(0, 0, 0, 0.1);
}

.footer-credit,
.footer-copyright {
    font-size: var(--fs-footer-text);
    font-weight: 400;
    letter-spacing: 0.02em;
    line-height: 1.4;
    color: var(--color-text);
}

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

/* Tablet (768px and below) */
@media (max-width: 768px) {
    :root {
        --fs-hero-name: 48px;
        --fs-hero-title: 20px;
        --fs-hero-text: 18px;
        --fs-section-title: 36px;
        --fs-project-title: 24px;
        --fs-footer-title: 36px;
        --fs-footer-text: 16px;
        --fs-nav: 16px;

        --container-padding: 24px;
        --spacing-xxxl: 64px;
        --spacing-xxl: 48px;
    }

    /* Hide desktop nav, show mobile nav */
    .header {
        display: none;
    }

    .mobile-nav {
        display: flex;
    }

    .hero {
        padding: var(--spacing-xxl) 0;
    }

    .footer-bottom {
        flex-direction: column;
        gap: var(--spacing-sm);
        align-items: flex-start;
    }
}

/* Mobile (480px and below) */
@media (max-width: 480px) {
    :root {
        --fs-hero-name: 36px;
        --fs-hero-title: 18px;
        --fs-hero-text: 16px;
        --fs-section-title: 28px;
        --fs-project-title: 20px;
        --fs-footer-title: 28px;
        --fs-footer-text: 14px;
        --fs-nav: 14px;

        --container-padding: 16px;
        --spacing-xxxl: 48px;
        --spacing-xxl: 32px;
        --spacing-xl: 32px;
    }

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

    .project-images {
        aspect-ratio: 16 / 10;
    }
}

/* Large screens */
@media (min-width: 1200px) {
    :root {
        --container-max-width: 600px;
    }
}

/* ================================
   Accessibility
   ================================ */

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }

    .project-card {
        opacity: 1;
        transform: none;
    }
}

/* Focus styles for keyboard navigation */
a:focus-visible,
button:focus-visible {
    outline: 2px solid var(--accent-1);
    outline-offset: 4px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    :root {
        --color-text: #000000;
        --shadow-card: 0 4px 12px rgba(0, 0, 0, 0.2);
        --shadow-card-hover: 0 12px 24px rgba(0, 0, 0, 0.3);
    }
}

/* ================================
   Print Styles
   ================================ */

@media print {
    .header,
    .mobile-nav,
    .footer-links {
        display: none;
    }

    .project-link {
        box-shadow: none;
        border: 1px solid #ddd;
    }

    a {
        text-decoration: underline;
    }
}

/* ================================
   Loading States
   ================================ */

.project-image {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
}

.project-image[src] {
    background: none;
}