/* ============================================================
   hwagryul.com - Minimalist Scholarly Glitch Design
   ============================================================ */

:root {
    --color-navy: #0A3D62;
    --color-red: #C94C4C;
    --color-green: #4CC9A0;
    --color-blue: #A8D8EA;
    --color-cyan: #2ECFD6;
    --color-dark-blue: #3A7CA5;
    --color-medium-blue: #5A8FA8;
    --color-light-blue: #C5DCE8;

    --font-serif: 'EB Garamond', 'Noto Serif KR', serif;
    --font-mono: 'IBM Plex Mono', monospace;
    --font-sans: 'Inter', sans-serif;
    --font-secondary: 'Lora', serif;

    --spacing-unit: 1rem;
    --spacing-lg: 2rem;
    --spacing-xl: 4rem;
    --spacing-2xl: 8rem;
}

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

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

html {
    scroll-behavior: smooth;
    background-color: #f8f7f5;
    color: var(--color-navy);
}

body {
    font-family: var(--font-serif);
    font-size: clamp(16px, 2vw, 20px);
    line-height: 1.7;
    color: var(--color-navy);
    background-color: #f8f7f5;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-serif);
    font-weight: 700;
    line-height: 1.2;
    margin: 0;
}

p {
    margin: 0;
}

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

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

/* ============================================================
   Section Layout & Z-Pattern
   ============================================================ */

.section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-2xl) var(--spacing-xl);
    position: relative;
    overflow: hidden;
}

.section-intro {
    background: linear-gradient(135deg, #f8f7f5 0%, #f0ebe5 100%);
}

.section-about {
    background: linear-gradient(135deg, #f8f7f5 0%, #ffffff 100%);
    border-top: 2px solid var(--color-light-blue);
}

.section-content {
    background: linear-gradient(135deg, #ffffff 0%, #f8f7f5 100%);
}

.section-aesthetic {
    background: linear-gradient(135deg, #f8f7f5 0%, #f0ebe5 100%);
    border-top: 2px solid var(--color-light-blue);
}

.section-interactive {
    background: linear-gradient(135deg, #ffffff 0%, #f8f7f5 100%);
}

.section-closing {
    background: linear-gradient(135deg, #f8f7f5 0%, #f0ebe5 100%);
    border-top: 2px solid var(--color-light-blue);
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
}

.z-pattern {
    display: grid;
    grid-template-areas:
        "anchor focal"
        "secondary secondary"
        "footer footer";
    gap: var(--spacing-lg) var(--spacing-xl);
    align-items: start;
}

@media (max-width: 768px) {
    .z-pattern {
        grid-template-areas:
            "anchor"
            "focal"
            "secondary"
            "footer";
        gap: var(--spacing-lg);
    }
}

.z-anchor {
    grid-area: anchor;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-unit);
}

.z-focal {
    grid-area: focal;
}

.z-secondary {
    grid-area: secondary;
}

.z-footer {
    grid-area: footer;
    margin-top: var(--spacing-lg);
}

/* ============================================================
   Typography & Headings
   ============================================================ */

.domain-mark {
    font-family: var(--font-serif);
    font-size: clamp(1.2rem, 3vw, 1.8rem);
    font-weight: 700;
    letter-spacing: 0.15em;
    color: var(--color-navy);
    text-transform: lowercase;
}

.section-number {
    font-family: var(--font-mono);
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 0.2em;
    color: var(--color-medium-blue);
    text-transform: uppercase;
}

h1.title-glitch {
    font-size: clamp(3rem, 8vw, 5rem);
    font-weight: 700;
    color: var(--color-navy);
    position: relative;
    display: inline-block;
    font-family: var(--font-serif);
}

h1.title-glitch::before {
    content: "Scholarly Archives";
    position: absolute;
    left: 2px;
    top: 2px;
    color: var(--color-red);
    opacity: 0.8;
    z-index: -1;
    clip-path: polygon(0 0, 60% 0, 100% 100%, 0 100%);
}

h1.title-glitch::after {
    content: "Scholarly Archives";
    position: absolute;
    left: -2px;
    top: -2px;
    color: var(--color-green);
    opacity: 0.8;
    z-index: -1;
    clip-path: polygon(40% 0, 100% 0, 0 100%, 0 0%);
}

h2.heading-secondary {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 700;
    color: var(--color-navy);
    margin-bottom: var(--spacing-lg);
}

h3.heading-tertiary {
    font-size: clamp(1.3rem, 3vw, 1.8rem);
    font-weight: 700;
    color: var(--color-dark-blue);
    margin-bottom: var(--spacing-unit);
}

.lead-text {
    font-size: clamp(1.1rem, 2.5vw, 1.5rem);
    font-style: italic;
    color: var(--color-medium-blue);
    max-width: 600px;
    line-height: 1.6;
}

.body-text {
    font-size: 1rem;
    line-height: 1.8;
    color: var(--color-navy);
    max-width: 700px;
    margin-bottom: var(--spacing-lg);
}

.accent-text {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    letter-spacing: 0.1em;
    color: var(--color-cyan);
    text-transform: uppercase;
}

.accent-mono {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    letter-spacing: 0.15em;
    color: var(--color-red);
    text-transform: uppercase;
}

/* ============================================================
   Content Cards & Grid
   ============================================================ */

.content-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-xl);
    margin: var(--spacing-lg) 0;
}

.content-card {
    background: rgba(255, 255, 255, 0.6);
    padding: var(--spacing-lg);
    border-left: 3px solid var(--color-blue);
    transition: all 0.3s ease;
}

.content-card:hover {
    background: rgba(255, 255, 255, 0.95);
    border-left-color: var(--color-red);
    transform: translateY(-4px);
    box-shadow: 0 10px 40px rgba(10, 61, 98, 0.1);
}

.content-card h3 {
    color: var(--color-dark-blue);
    margin-bottom: var(--spacing-unit);
}

/* ============================================================
   Color Swatches
   ============================================================ */

.color-swatches {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
    gap: var(--spacing-lg);
    margin: var(--spacing-xl) 0;
}

.swatch {
    aspect-ratio: 1;
    border-radius: 4px;
    box-shadow: 0 4px 12px rgba(10, 61, 98, 0.15);
    transition: transform 0.3s ease;
    cursor: pointer;
}

.swatch:hover {
    transform: scale(1.05);
    box-shadow: 0 8px 20px rgba(10, 61, 98, 0.25);
}

/* ============================================================
   Interactive & Hover Effects
   ============================================================ */

.interactive-block {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-unit);
    margin: var(--spacing-lg) 0;
}

.hover-lift-item {
    display: inline-block;
    padding: var(--spacing-unit) var(--spacing-lg);
    background: rgba(10, 61, 98, 0.05);
    border: 1px solid var(--color-light-blue);
    font-family: var(--font-serif);
    font-size: 1.1rem;
    color: var(--color-navy);
    transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.hover-lift-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s ease;
}

.hover-lift-item:hover {
    transform: translateY(-8px) translateX(4px);
    background: rgba(201, 76, 76, 0.1);
    border-color: var(--color-red);
    color: var(--color-red);
    box-shadow:
        2px 4px 0 var(--color-green),
        -2px -4px 0 var(--color-cyan);
}

.hover-lift-item:hover::before {
    left: 100%;
}

/* ============================================================
   Scanline & Glitch Effects
   ============================================================ */

.scanline-divider {
    position: relative;
    height: 2px;
    background: repeating-linear-gradient(
        90deg,
        var(--color-navy) 0px,
        var(--color-navy) 2px,
        transparent 2px,
        transparent 4px
    );
    opacity: 0.3;
    margin: var(--spacing-xl) 0;
    animation: scanlines 6s linear infinite;
}

@keyframes scanlines {
    0% {
        opacity: 0.3;
    }
    50% {
        opacity: 0.6;
    }
    100% {
        opacity: 0.3;
    }
}

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

@media (max-width: 768px) {
    .section {
        padding: var(--spacing-xl) var(--spacing-lg);
        min-height: auto;
    }

    .domain-mark {
        font-size: 1rem;
    }

    h1.title-glitch {
        font-size: 2rem;
    }

    h2.heading-secondary {
        font-size: 1.5rem;
    }

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

    .color-swatches {
        grid-template-columns: repeat(auto-fit, minmax(80px, 1fr));
    }
}

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

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

@media print {
    .section {
        page-break-inside: avoid;
        min-height: auto;
        padding: var(--spacing-lg);
    }

    a {
        color: var(--color-navy);
    }
}