/* ==========================================
   CSS Custom Properties
   ========================================== */
:root {
    /* Colors - Bright & Neutral */
    --color-bg-primary: #fefefe;
    --color-bg-secondary: #f8f8f6;
    --color-bg-tertiary: #f0f0ed;
    --color-text-primary: #2a2a2a;
    --color-text-secondary: #6a6a68;
    --color-text-light: #8a8a88;
    --color-accent: #4a4a48;
    --color-border: #e8e8e5;

    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-display: 'Fraunces', serif;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    --spacing-2xl: 8rem;
    --spacing-3xl: 12rem;

    /* Border radius */
    --radius-sm: 0.25rem;

    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-medium: 0.25s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    background-color: var(--color-bg-primary);
    color: var(--color-text-primary);
    line-height: 1.7;
    font-weight: 400;
    -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: 1.2;
    color: var(--color-text-primary);
}

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

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

/* ==========================================
   Utility Classes
   ========================================== */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* ==========================================
   Navigation
   ========================================== */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(254, 254, 254, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) 0;
}

.logo-text {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 600;
    letter-spacing: -0.01em;
    color: var(--color-text-primary);
}

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

.nav-links a {
    font-size: 0.95rem;
    color: var(--color-text-secondary);
    transition: color var(--transition-fast);
    position: relative;
}

.nav-links a:hover {
    color: var(--color-text-primary);
}

/* ==========================================
   Hero Section
   ========================================== */
.hero {
    padding-top: calc(80px + var(--spacing-3xl));
    padding-bottom: var(--spacing-3xl);
}

.hero-content {
    max-width: 900px;
    margin-bottom: var(--spacing-xl);
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 5rem);
    font-weight: 600;
    letter-spacing: -0.02em;
    margin-bottom: var(--spacing-md);
    line-height: 1.1;
}

.hero-subtitle {
    font-size: clamp(1.1rem, 2vw, 1.35rem);
    color: var(--color-text-secondary);
    line-height: 1.7;
    max-width: 700px;
    font-weight: 400;
}

.hero-image {
    margin-top: var(--spacing-xl);
    border-radius: var(--radius-sm);
    overflow: hidden;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05),
                0 10px 40px rgba(0, 0, 0, 0.08);
}

.hero-image img {
    width: 100%;
}

/* ==========================================
   Section Titles
   ========================================== */
.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 600;
    letter-spacing: -0.02em;
    margin-bottom: var(--spacing-lg);
}

/* ==========================================
   About Section
   ========================================== */
.about {
    padding: var(--spacing-3xl) 0;
    background: var(--color-bg-secondary);
}

.about-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
}

.about-image {
    border-radius: var(--radius-sm);
    overflow: hidden;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05),
                0 10px 40px rgba(0, 0, 0, 0.08);
}

.about-image img {
    width: 100%;
}

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

.about-text {
    margin-top: var(--spacing-md);
}

.about-text p {
    color: var(--color-text-secondary);
    font-size: 1.05rem;
    margin-bottom: var(--spacing-md);
}

.about-text p:last-child {
    margin-bottom: 0;
}

.about-cta {
    margin-top: var(--spacing-md);
    font-weight: 500;
    color: var(--color-text-primary);
}

.inline-link {
    color: var(--color-text-primary);
    border-bottom: 1px solid var(--color-accent);
    transition: border-color var(--transition-fast);
}

.inline-link:hover {
    border-bottom-color: var(--color-text-light);
}

/* ==========================================
   Work Section
   ========================================== */
.work {
    padding: var(--spacing-3xl) 0;
}

.work .section-title {
    margin-bottom: var(--spacing-2xl);
}

.work-item {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
    margin-bottom: var(--spacing-3xl);
}

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

.work-item.reverse {
    grid-template-columns: 1fr 1.2fr;
}

.work-item.reverse .work-image {
    order: 2;
}

.work-item.reverse .work-content {
    order: 1;
}

.work-image {
    border-radius: var(--radius-sm);
    overflow: hidden;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05),
                0 10px 40px rgba(0, 0, 0, 0.08);
}

.work-image img {
    width: 100%;
    transition: transform 0.6s ease;
}

.work-item:hover .work-image img {
    transform: scale(1.02);
}

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

.work-content h3 {
    font-size: clamp(1.5rem, 3vw, 2rem);
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
    letter-spacing: -0.01em;
}

.work-content p {
    color: var(--color-text-secondary);
    font-size: 1.05rem;
    line-height: 1.7;
}

/* ==========================================
   Contact Section
   ========================================== */
.contact {
    padding: var(--spacing-3xl) 0;
    background: var(--color-bg-secondary);
}

.contact-content {
    max-width: 700px;
    margin: 0 auto;
    text-align: center;
}

.contact-text {
    font-size: 1.1rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-lg);
    line-height: 1.7;
}

.email-link {
    display: inline-block;
    font-size: 1.5rem;
    font-family: var(--font-display);
    font-weight: 500;
    color: var(--color-text-primary);
    border-bottom: 2px solid var(--color-accent);
    padding-bottom: 0.25rem;
    transition: border-color var(--transition-fast);
}

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

/* ==========================================
   Footer
   ========================================== */
.footer {
    padding: var(--spacing-xl) 0;
    border-top: 1px solid var(--color-border);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-brand {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 1.1rem;
    color: var(--color-text-primary);
}

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

/* ==========================================
   Responsive Design
   ========================================== */
@media (max-width: 1024px) {
    .about-layout {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }

    .work-item,
    .work-item.reverse {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }

    .work-item.reverse .work-image,
    .work-item.reverse .work-content {
        order: 0;
    }
}

@media (max-width: 768px) {
    :root {
        --spacing-lg: 2rem;
        --spacing-xl: 4rem;
        --spacing-2xl: 5rem;
        --spacing-3xl: 6rem;
    }

    .container {
        padding: 0 var(--spacing-md);
    }

    .nav-content {
        padding: var(--spacing-sm) 0;
    }

    .nav-links {
        gap: var(--spacing-md);
    }

    .hero {
        padding-top: calc(60px + var(--spacing-xl));
    }

    .about-content,
    .work-content {
        padding: 0;
    }

    .work-item {
        margin-bottom: var(--spacing-2xl);
    }

    .footer-content {
        flex-direction: column;
        gap: var(--spacing-sm);
        text-align: center;
    }
}

@media (max-width: 480px) {
    .nav-links {
        gap: var(--spacing-sm);
        font-size: 0.9rem;
    }

    .logo-text {
        font-size: 1.1rem;
    }
}

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

a:focus-visible,
button:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 4px;
}