:root {
    /* Branding Colors */
    --bg: #F9F8F6; /* Alabaster / Bone White */
    --surface: #ffffff;
    --text: #1a1a1a; 
    --text-muted: #737373;
    --line: #e5e5e5;
    
    /* Original Fonts Restored */
    --serif: "benton-modern-display", serif;
    --sans: "futura-pt", sans-serif;
    --americane: "balto", sans-serif;
    
    /* Spacing */
    --page-padding: 6vw;
}

/* Reset & Base */
* { box-sizing: border-box; }

body {
    background-color: var(--bg);
    color: var(--text);
    font-family: var(--serif); 
    margin: 0;
    padding: 0;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

h1, h2, h3, h4 {
    font-family: var(--serif);
    font-weight: 400;
    margin: 0;
    color: var(--text);
}

p.body-text {
    font-family: var(--americane);
    font-weight: 300;
    line-height: 1.6;
    color: var(--text-muted);
}

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

/* Utility Classes */
.container {
    padding-left: var(--page-padding);
    padding-right: var(--page-padding);
    max-width: 1800px;
    margin: 0 auto;
}



/* Project Hero (Full Bleed) */
.project-hero {
    width: 100%;
    height: 100vh;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    padding: var(--page-padding);
}

.project-hero img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: -1;
}

.project-hero h1 {
    color: #fff;
    font-size: clamp(3rem, 5vw, 6rem);
    line-height: 1;
}

/* Contents Section */
.contents-section {
    padding: 8rem var(--page-padding);
    display: grid;
    grid-template-columns: 1fr;
    gap: 4rem;
    padding-bottom: 0px;
}

@media(min-width: 1024px) {
    .contents-section {
        grid-template-columns: 1fr 1fr;
    }

    aside {
        position: sticky;
    top: 8rem;
    align-self: flex-start;
    }
}

.project-name-label {
    font-family: var(--sans);
    text-transform: uppercase;
    letter-spacing: 0.2em;
    font-size: 0.85rem;
    border-bottom: 1px solid var(--text);
    padding-bottom: 1rem;
    display: inline-block;
}

.contents-list {
    margin-top: 0px;
}

[data-num] {
    scroll-margin-top: 6rem;
  }

.contents-item {
    display: grid;
    grid-template-columns: 3rem 1fr;
    padding: .5rem 0;
    border-bottom: 1px solid var(--line);
    font-family: var(--sans);
    text-transform: uppercase;
    font-size: 0.8rem;
    letter-spacing: 0.15em;
    cursor: pointer;
    transition: background 0.3s;
}

.contents-item:hover {
    background: rgba(0,0,0,0.02);
}

.contents-item .num {
    color: var(--text-muted);
}

.project-hero .container {
    padding-left: 0px;
    max-width: 100%;
    margin: 0px;
    text-align: left;
}

/* Project Introduction Bar */
.project-sub-nav {
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
    padding: 1rem var(--page-padding);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-family: var(--sans);
    text-transform: uppercase;
    font-size: 0.7rem;
    letter-spacing: 0.1em;
    background: var(--bg);
}

/* Introduction Text */
.intro-text-block {
    padding: 6rem var(--page-padding);
    max-width: 1400px;
    margin: 0 auto;
}

.intro-text-block h2 {
    font-size: clamp(2rem, 4vw, 3.5rem);
    line-height: 1.3;
    font-weight: 400;
}

/* Sidebar & Detail Layout */
.project-detail-layout {
    display: grid;
    grid-template-columns: 1fr;
    gap: 4rem;
    padding: 4rem var(--page-padding);
}

@media(min-width: 1024px) {
    .project-detail-layout {
        grid-template-columns: 280px 1fr;
    }
}

.project-sidebar {
    font-family: var(--sans);
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.1em;
}

.sidebar-group {
    margin-bottom: 3rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--line);
}

.sidebar-group:last-child {
    border-bottom: 0px solid var(--line);
}

.sidebar-label {
    color: var(--text-muted);
    margin-bottom: 0.5rem;
    display: block;
}

.sidebar-content {
    color: var(--text);
    font-weight: 500;
}

.detail-main-img img {
    width: 100%;
    height: auto;
    display: block;
}

/* Footer */
footer {
    padding: 4rem var(--page-padding);
    border-top: 1px solid var(--line);
    text-align: center;
    font-family: var(--sans);
    text-transform: uppercase;
    font-size: 0.7rem;
    letter-spacing: 0.1em;
}

.photo-section {
    margin-top: 4rem;
    margin-bottom: 2rem;
    display: flex;
    gap: 1rem;
    align-items: center;
}

.photo-section span {
    display: block;
    width: 7rem;
    background-color: var(--text-muted);
    height: 1px;
}

.photo-section span:last-child {
    width: 100%;
}

.photo-section h2 {
    font-size: 2.8rem;
}

.photo-section h3 {
    font-family: var(--sans);
    font-size: 1rem;
    color: var(--text-muted);
    margin-bottom: .4rem;
}