/* ============================================
   KEVIN BYRON CLARK — PORTFOLIO
   Cargo-inspired minimal dark aesthetic
   ============================================ */

:root {
    --black: #0a0a0a;
    --dark: #111111;
    --dark-2: #161616;
    --dark-3: #1e1e1e;
    --gray-dark: #333333;
    --gray: #555555;
    --gray-light: #888888;
    --white: #ffffff;
    --white-dim: #bbbbbb;
    --accent: #ffffff;
    --border: rgba(255, 255, 255, 0.08);
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-serif: 'Playfair Display', Georgia, serif;
    --ease: cubic-bezier(0.25, 0.1, 0.25, 1);
    --ease-out: cubic-bezier(0, 0, 0.25, 1);
}

/* Reset */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; font-size: 16px; -webkit-font-smoothing: antialiased; }
body {
    font-family: var(--font-sans);
    background: var(--black);
    color: var(--white);
    line-height: 1.6;
    overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

/* ---- Loader ---- */
.loader {
    position: fixed; inset: 0; z-index: 9999;
    background: var(--black);
    display: flex; align-items: center; justify-content: center;
    transition: opacity 0.6s var(--ease), visibility 0.6s;
}
.loader.hidden { opacity: 0; visibility: hidden; pointer-events: none; }
.loader-inner { text-align: center; }
.loader-text {
    display: block; font-size: 1.2rem; font-weight: 300;
    letter-spacing: 0.4em; color: var(--white);
    margin-bottom: 1.5rem;
}
.loader-bar {
    width: 80px; height: 1px;
    background: var(--dark-3);
    margin: 0 auto; overflow: hidden;
}
.loader-fill {
    width: 0; height: 100%;
    background: var(--gray-light);
    animation: loaderFill 1.8s var(--ease) forwards;
}
@keyframes loaderFill { to { width: 100%; } }

/* ---- Navigation ---- */
.nav {
    position: fixed; top: 0; left: 0; right: 0; z-index: 100;
    display: flex; align-items: center; justify-content: space-between;
    padding: 1.5rem 3rem;
    background: transparent;
    transition: background 0.4s var(--ease), padding 0.4s var(--ease), backdrop-filter 0.4s;
}
.nav.scrolled {
    background: rgba(10, 10, 10, 0.9);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 1rem 3rem;
}
.nav-logo {
    font-size: 0.8rem; font-weight: 500;
    letter-spacing: 0.08em; text-transform: uppercase;
    transition: color 0.3s;
}
.nav-logo:hover { color: var(--gray-light); }
.nav-links { display: flex; gap: 2.5rem; }
.nav-link {
    font-size: 0.75rem; font-weight: 400;
    letter-spacing: 0.06em; text-transform: uppercase;
    color: var(--gray-light);
    transition: color 0.3s;
}
.nav-link:hover { color: var(--white); }

.nav-toggle {
    display: none; background: none; border: none; cursor: pointer;
    width: 28px; height: 20px; position: relative;
}
.nav-toggle span {
    display: block; width: 100%; height: 1px;
    background: var(--white);
    position: absolute; left: 0;
    transition: transform 0.3s var(--ease), opacity 0.3s;
}
.nav-toggle span:first-child { top: 4px; }
.nav-toggle span:last-child { bottom: 4px; }
.nav-toggle.active span:first-child { top: 50%; transform: translateY(-50%) rotate(45deg); }
.nav-toggle.active span:last-child { bottom: 50%; transform: translateY(50%) rotate(-45deg); }

/* Mobile Menu */
.mobile-menu {
    position: fixed; inset: 0; z-index: 99;
    background: var(--black);
    display: flex; flex-direction: column;
    align-items: center; justify-content: center; gap: 2rem;
    opacity: 0; visibility: hidden;
    transition: opacity 0.4s var(--ease), visibility 0.4s;
}
.mobile-menu.active { opacity: 1; visibility: visible; }
.mobile-link {
    font-size: 1.8rem; font-weight: 300;
    letter-spacing: 0.02em;
    color: var(--gray-light);
    transition: color 0.3s;
}
.mobile-link:hover { color: var(--white); }

/* ---- Hero ---- */
.hero {
    min-height: 100vh; display: flex;
    align-items: center; justify-content: center;
    position: relative; padding: 8rem 3rem 4rem;
    overflow: hidden;
}

/* Grain texture overlay */
.hero::before {
    content: ''; position: absolute;
    top: -50%; left: -50%; right: -50%; bottom: -50%;
    background: url("data:image/svg+xml,%3Csvg viewBox='0 0 512 512' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.09'/%3E%3C/svg%3E");
    background-size: 256px 256px;
    pointer-events: none;
    z-index: 1;
    animation: grainShift 8s steps(10) infinite;
}

@keyframes grainShift {
    0%, 100% { transform: translate(0, 0); }
    10% { transform: translate(-5%, -10%); }
    20% { transform: translate(-15%, 5%); }
    30% { transform: translate(7%, -25%); }
    40% { transform: translate(-5%, 25%); }
    50% { transform: translate(-15%, 10%); }
    60% { transform: translate(15%, 0%); }
    70% { transform: translate(0%, 15%); }
    80% { transform: translate(3%, 35%); }
    90% { transform: translate(-10%, 10%); }
}

/* Mouse-following glow */
.hero-glow {
    position: absolute;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.04) 0%, rgba(255, 255, 255, 0.01) 40%, transparent 70%);
    pointer-events: none;
    z-index: 1;
    transform: translate(-50%, -50%);
    transition: left 0.3s var(--ease-out), top 0.3s var(--ease-out), opacity 0.6s;
    opacity: 0;
}
.hero-glow.active {
    opacity: 1;
}

/* Horizontal rule accents */
.hero-rule {
    position: absolute;
    height: 1px;
    background: linear-gradient(to right, transparent, rgba(255,255,255,0.06), transparent);
    pointer-events: none;
    z-index: 1;
}
.hero-rule--top {
    top: 30%;
    left: 10%;
    right: 10%;
    opacity: 0;
    animation: ruleReveal 1.2s var(--ease) 2.8s forwards;
}
.hero-rule--bottom {
    bottom: 25%;
    left: 15%;
    right: 15%;
    opacity: 0;
    animation: ruleReveal 1.2s var(--ease) 3s forwards;
}
@keyframes ruleReveal {
    from { opacity: 0; transform: scaleX(0); }
    to { opacity: 1; transform: scaleX(1); }
}

/* Particle canvas */
.hero-canvas {
    position: absolute;
    inset: 0;
    z-index: 1;
    pointer-events: none;
    opacity: 0;
    animation: fadeIn 2s var(--ease) 1.8s forwards;
}
.hero-inner {
    display: flex; align-items: center; justify-content: center;
    max-width: 1400px; width: 100%;
    position: relative;
    z-index: 2;
}
.hero-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
    opacity: 0; transform: translateY(40px);
    animation: fadeUp 1s var(--ease) 2s forwards;
}
.hero-eyebrow {
    font-size: 0.7rem; font-weight: 500;
    letter-spacing: 0.2em; text-transform: uppercase;
    color: var(--gray-light);
    margin-bottom: 2.5rem;
}
.hero-title {
    font-family: var(--font-serif);
    font-size: clamp(3rem, 7vw, 5.5rem);
    font-weight: 400; line-height: 1.1;
    margin-bottom: 2rem;
}
.hero-title em {
    font-style: italic; color: var(--white);
}
.hero-line {
    display: block;
    opacity: 0; transform: translateY(30px);
    animation: fadeUp 0.8s var(--ease) forwards;
}
.hero-line:nth-child(1) { animation-delay: 2.2s; }
.hero-line:nth-child(2) { animation-delay: 2.4s; }
.hero-sub {
    font-size: 1rem; font-weight: 300;
    color: var(--gray-light); line-height: 1.8;
    max-width: 600px; margin: 0 auto 3rem;
    opacity: 0; animation: fadeUp 0.8s var(--ease) 2.6s forwards;
}
.hero-cta {
    display: inline-block;
    font-size: 0.75rem; font-weight: 500;
    letter-spacing: 0.15em; text-transform: uppercase;
    color: var(--gray-light); padding: 1rem 0;
    border-bottom: 1px solid var(--border);
    transition: color 0.3s, border-color 0.3s;
    opacity: 0; animation: fadeUp 0.8s var(--ease) 2.8s forwards;
}
.hero-cta:hover { color: var(--white); border-color: var(--gray-light); }

.hero-scroll {
    position: absolute; bottom: 2rem; left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    opacity: 0; animation: fadeIn 1s var(--ease) 3.2s forwards;
}
.scroll-line {
    width: 1px; height: 50px;
    background: linear-gradient(to bottom, var(--gray-light), transparent);
    animation: scrollPulse 2s var(--ease) infinite;
}
@keyframes scrollPulse {
    0%, 100% { opacity: 1; transform: scaleY(1); }
    50% { opacity: 0.3; transform: scaleY(0.6); }
}

/* ---- Section Headers ---- */
.section-header {
    display: flex; align-items: baseline; gap: 1.5rem;
    padding: 8rem 3rem 4rem;
    max-width: 1400px; margin: 0 auto;
}
.section-number {
    font-size: 0.7rem; font-weight: 400;
    color: var(--gray); letter-spacing: 0.1em;
}
.section-title {
    font-family: var(--font-serif);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 400;
}

/* ============================================
   ROLODEX WORK INDEX
   ============================================ */

.rolodex {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 3rem;
}

.rolodex-item {
    display: block;
    border-top: 1px solid var(--border);
    padding: 3rem 0;
    text-decoration: none;
    color: inherit;
    position: relative;
    overflow: hidden;
    cursor: pointer;
    /* initial state for scroll reveal */
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.7s var(--ease), transform 0.7s var(--ease), border-color 0.4s var(--ease), background 0.4s var(--ease);
}
.rolodex-item.visible {
    opacity: 1;
    transform: translateY(0);
}

.rolodex-item:last-child {
    border-bottom: 1px solid var(--border);
}

.rolodex-item:hover {
    border-color: rgba(255, 255, 255, 0.2);
}

/* Row: year + title + role inline */
.rolodex-row {
    display: flex;
    align-items: baseline;
    gap: 2rem;
    position: relative;
}

.rolodex-year {
    font-size: 0.65rem;
    font-weight: 400;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--gray);
    flex-shrink: 0;
    min-width: 100px;
    transition: color 0.4s var(--ease);
}

.rolodex-title {
    font-family: var(--font-serif);
    font-size: clamp(2.8rem, 6vw, 5.5rem);
    font-weight: 400;
    line-height: 1;
    color: var(--gray-dark);
    transition: transform 0.5s var(--ease-out), color 0.4s var(--ease);
    transform-origin: left center;
    position: relative;
}
.rolodex-title::after {
    content: '';
    display: block;
    height: 1px;
    margin-top: 0.5rem;
    background: linear-gradient(90deg, var(--white), transparent);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.6s var(--ease);
}

.rolodex-role {
    font-size: 0.8rem;
    font-weight: 300;
    color: var(--gray);
    flex-shrink: 0;
    margin-left: auto;
    transition: color 0.4s var(--ease), opacity 0.4s var(--ease);
}

/* Hover: title illuminates — alive white glow */
.rolodex-item:hover .rolodex-title {
    transform: translateX(8px);
    color: var(--white);
}
.rolodex-item:hover .rolodex-title::after {
    transform: scaleX(0.35);
    background: linear-gradient(90deg, rgba(255, 255, 255, 0.6), transparent);
}

/* Scroll entrance flash */
@keyframes rolodexFlash {
    0% { color: var(--gray-dark); }
    40% { color: var(--gray-light); }
    100% { color: var(--gray-dark); }
}
.rolodex-item.flash .rolodex-title {
    animation: rolodexFlash 0.8s var(--ease) forwards;
}

.rolodex-item:hover .rolodex-year {
    color: var(--white);
}

.rolodex-item:hover .rolodex-role {
    color: var(--white);
}

/* Detail row — hidden by default, slides up on hover */
.rolodex-detail {
    display: flex;
    gap: 2rem;
    padding-left: 132px; /* align with title (100px year + 2rem gap) */
    max-height: 0;
    opacity: 0;
    overflow: hidden;
    transition: max-height 0.5s var(--ease), opacity 0.4s var(--ease), padding 0.5s var(--ease);
    padding-top: 0;
}

.rolodex-item:hover .rolodex-detail {
    max-height: 60px;
    opacity: 1;
    padding-top: 1rem;
}

.rolodex-detail span {
    font-size: 0.85rem;
    font-weight: 400;
    letter-spacing: 0.02em;
    color: var(--white-dim);
    white-space: nowrap;
    position: relative;
    padding-left: 1rem;
}

.rolodex-detail span::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    width: 5px;
    height: 1px;
    background: var(--gray);
}

/* Arrow indicator on hover */
.rolodex-item::after {
    content: '→';
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%) translateX(30px);
    font-size: 1.5rem;
    font-weight: 300;
    color: var(--white);
    opacity: 0;
    transition: opacity 0.4s var(--ease), transform 0.4s var(--ease);
}

.rolodex-item:hover::after {
    opacity: 1;
    transform: translateY(-50%) translateX(0);
}

/* Rolodex Divider */
.rolodex-divider {
    padding: 3rem 0;
    text-align: center;
    position: relative;
}
.rolodex-divider::before {
    content: '';
    position: absolute;
    top: 50%; left: 0; right: 0;
    height: 1px;
    background: var(--border);
}
.rolodex-divider span {
    position: relative;
    display: inline-block;
    padding: 0.5rem 1.5rem;
    background: var(--black);
    font-size: 0.65rem;
    font-weight: 400;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--gray);
}

/* ============================================
   CASE STUDY SUBPAGES
   ============================================ */

/* Back Navigation */
.back-nav {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.5rem 3rem;
    background: rgba(10, 10, 10, 0.9);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}

.back-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.75rem;
    font-weight: 400;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--gray-light);
    transition: color 0.3s;
}
.back-link:hover { color: var(--white); }
.back-link span {
    transition: transform 0.3s var(--ease);
}
.back-link:hover span {
    transform: translateX(-4px);
}

.back-nav-title {
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

/* Case Study Hero */
.case-hero {
    min-height: 70vh;
    display: flex;
    align-items: flex-end;
    position: relative;
    padding: 8rem 3rem 4rem;
    overflow: hidden;
}

.case-hero-bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    opacity: 0.3;
}

.case-hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, var(--black) 0%, rgba(10,10,10,0.35) 50%, rgba(10,10,10,0.15) 100%);
}

.case-hero-content {
    position: relative;
    z-index: 2;
    max-width: 1400px;
    margin: 0 auto;
    width: 100%;
    opacity: 0;
    transform: translateY(30px);
    animation: fadeUp 0.8s var(--ease) 0.3s forwards;
}

/* Subpage chapter typography */
.chapter-years {
    display: block;
    font-size: 0.65rem;
    font-weight: 400;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--gray);
}

.chapter-company {
    font-family: var(--font-serif);
    font-size: clamp(2rem, 4vw, 3.5rem);
    font-weight: 400;
    line-height: 1.1;
}

.chapter-role {
    font-size: 0.85rem;
    color: var(--gray-light);
    font-weight: 300;
}

.case-hero .chapter-years {
    margin-bottom: 1.5rem;
}

.case-hero .chapter-company {
    font-size: clamp(3rem, 6vw, 5rem);
    margin-bottom: 0.75rem;
}

.case-hero .chapter-role {
    font-size: 1rem;
    margin-bottom: 0;
    max-width: 600px;
}

/* Case Study Overview */
.case-overview {
    max-width: 1400px;
    margin: 0 auto;
    padding: 5rem 3rem;
}

.case-overview p {
    font-size: 1.05rem;
    font-weight: 300;
    color: var(--white-dim);
    line-height: 1.9;
    max-width: 720px;
}

/* BTS Photo Strip */
.bts-strip {
    width: 100%;
    overflow: hidden;
    padding: 0 0 4rem;
    -webkit-mask-image: linear-gradient(to right, transparent, black 3%, black 97%, transparent);
    mask-image: linear-gradient(to right, transparent, black 3%, black 97%, transparent);
}

.bts-strip-track {
    display: flex;
    gap: 0.75rem;
    animation: bts-scroll 60s linear infinite;
    width: max-content;
}

.bts-strip-track:hover {
    animation-play-state: paused;
}

.bts-strip-item {
    flex-shrink: 0;
    height: 280px;
    border-radius: 4px;
    overflow: hidden;
}

.bts-strip-item img {
    height: 100%;
    width: auto;
    object-fit: cover;
    display: block;
    filter: grayscale(0.2);
    transition: filter 0.4s ease, transform 0.4s ease;
}

.bts-strip-item:hover img {
    filter: grayscale(0);
    transform: scale(1.03);
}

@keyframes bts-scroll {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

/* Metrics Bar */
.metrics-bar {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1px;
    max-width: 1400px;
    margin: 0 auto 5rem;
    padding: 0 3rem;
}

.metric {
    background: var(--dark);
    padding: 2rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.metric::before {
    content: '';
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 1px;
    background: var(--gray-light);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.6s var(--ease);
}

.metric:hover::before {
    transform: scaleX(1);
}

.metric-value {
    display: block;
    font-family: var(--font-serif);
    font-size: 1.2rem;
    font-weight: 400;
    color: var(--white);
    margin-bottom: 0.5rem;
}

.metric-label {
    font-size: 0.65rem;
    font-weight: 400;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--gray);
}

/* Case Study Project Grid */
.case-projects {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 3rem 8rem;
}

.case-projects-title {
    font-size: 0.65rem;
    font-weight: 500;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--gray);
    margin-bottom: 2.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border);
}

.case-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 1px;
}

.case-card {
    background: var(--dark);
    overflow: hidden;
    transition: background 0.4s var(--ease);
    cursor: default;
}
.case-card:hover { background: var(--dark-2); }

.case-card-img {
    width: 100%;
    aspect-ratio: 16 / 10;
    object-fit: cover;
    transition: filter 0.6s var(--ease), transform 0.6s var(--ease);
}
.case-card:hover .case-card-img {
    transform: scale(1.02);
}

.case-card-body {
    padding: 1.5rem 2rem 2rem;
}

.case-card-tag {
    display: block;
    font-size: 0.6rem;
    font-weight: 500;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--gray);
    margin-bottom: 0.5rem;
}

.case-card-title {
    font-size: 1.05rem;
    font-weight: 500;
    margin-bottom: 0.5rem;
    line-height: 1.3;
}

.case-card-desc {
    font-size: 0.8rem;
    color: var(--gray);
    font-weight: 300;
    line-height: 1.7;
}

/* Case card without image */
.case-card--text {
    padding: 2.5rem 2rem;
    position: relative;
}
.case-card--text::before {
    content: '';
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 1px;
    background: var(--gray-light);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s var(--ease);
}
.case-card--text:hover::before { transform: scaleX(1); }

/* ---- About ---- */
.about {
    padding-bottom: 8rem;
}
.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6rem;
    max-width: 1400px; margin: 0 auto;
    padding: 0 3rem;
    opacity: 0; transform: translateY(40px);
    transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
}
.about-content.visible { opacity: 1; transform: translateY(0); }

.about-photo {
    margin-bottom: 3rem;
    position: relative;
    overflow: hidden;
}
.about-photo-img {
    width: 100%; max-width: 480px;
    aspect-ratio: 3 / 4;
    object-fit: cover;
    object-position: center top;
    filter: grayscale(100%) contrast(1.1);
    transition: filter 0.6s var(--ease);
}
.about-photo::after {
    content: '';
    position: absolute;
    inset: 0;
    background: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.04'/%3E%3C/svg%3E");
    background-size: 128px 128px;
    mix-blend-mode: overlay;
    pointer-events: none;
}

.about-lead {
    font-family: var(--font-serif);
    font-size: 1.5rem; font-weight: 400;
    line-height: 1.5; color: var(--white);
    margin-bottom: 2rem;
}
.about-text p {
    font-size: 0.9rem; color: var(--gray-light);
    font-weight: 300; line-height: 1.8;
    margin-bottom: 1.5rem;
}
.about-sidebar {
    display: flex; flex-direction: column; gap: 3rem;
}
.about-block-title {
    font-size: 0.65rem; font-weight: 500;
    letter-spacing: 0.2em; text-transform: uppercase;
    color: var(--gray);
    margin-bottom: 1.5rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--border);
}
.experience-item {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 0.25rem;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border);
}
.exp-role {
    font-size: 0.85rem; font-weight: 500;
    grid-column: 1;
}
.exp-year {
    font-size: 0.75rem; color: var(--gray);
    font-weight: 300; grid-column: 2;
    grid-row: 1;
}
.exp-company {
    font-size: 0.75rem; color: var(--gray-light);
    font-weight: 300; grid-column: 1;
}

.skills-list { display: flex; flex-wrap: wrap; gap: 0.4rem; }
.skill {
    font-size: 0.7rem; font-weight: 400;
    padding: 0.35rem 0.75rem;
    border: 1px solid var(--border);
    color: var(--gray-light);
    transition: border-color 0.3s, color 0.3s;
}
.skill:hover { border-color: var(--gray); color: var(--white); }

/* ---- Contact ---- */
.contact {
    padding-bottom: 8rem;
}
.contact-content {
    max-width: 1400px; margin: 0 auto;
    padding: 0 3rem;
    opacity: 0; transform: translateY(40px);
    transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
}
.contact-content.visible { opacity: 1; transform: translateY(0); }

.contact-lead {
    font-family: var(--font-serif);
    font-size: 1.3rem; font-weight: 400;
    line-height: 1.5; color: var(--white-dim);
    max-width: 600px; margin-bottom: 2.5rem;
}

.contact-email {
    display: inline-block;
    font-size: 1rem; font-weight: 300;
    color: var(--white);
    letter-spacing: 0.02em;
    padding-bottom: 0.25rem;
    border-bottom: 1px solid var(--border);
    transition: color 0.3s, border-color 0.3s;
    margin-bottom: 3rem;
}
.contact-email:hover {
    color: var(--gray-light);
    border-color: var(--gray-light);
}

.contact-socials {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.social-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border: 1px solid var(--border);
    border-radius: 50%;
    transition: border-color 0.3s var(--ease), background 0.3s var(--ease);
}
.social-icon:hover {
    border-color: var(--gray-light);
    background: var(--dark-2);
}
.social-icon svg {
    width: 18px;
    height: 18px;
    fill: var(--gray-light);
    transition: fill 0.3s;
}
.social-icon:hover svg {
    fill: var(--white);
}

.contact-location {
    display: block;
    font-size: 0.7rem;
    font-weight: 400;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--gray);
}

/* ---- Footer ---- */
.footer {
    display: flex; align-items: center; justify-content: space-between;
    padding: 2rem 3rem;
    border-top: 1px solid var(--border);
    font-size: 0.7rem; color: var(--gray);
    font-weight: 300; letter-spacing: 0.05em;
}

.footer-socials {
    display: flex;
    gap: 1rem;
}

.footer-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    transition: opacity 0.3s;
    opacity: 0.4;
}
.footer-icon:hover {
    opacity: 1;
}
.footer-icon svg {
    width: 14px;
    height: 14px;
    fill: var(--gray-light);
}

/* ---- Animations ---- */
@keyframes fadeUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* ---- Responsive ---- */
@media (max-width: 1024px) {
    .hero-inner { text-align: center; }
    .hero-content { max-width: 600px; }
    .about-content { grid-template-columns: 1fr; gap: 4rem; }
    .case-grid { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
    .rolodex-role { display: none; }
    .rolodex-detail { padding-left: 0; flex-wrap: wrap; gap: 0.75rem 1.5rem; }
    .rolodex-row { gap: 1.5rem; }
    .rolodex-year { min-width: auto; }
}

@media (max-width: 768px) {
    .nav { padding: 1.25rem 1.5rem; }
    .nav.scrolled { padding: 1rem 1.5rem; }
    .nav-links { display: none; }
    .nav-toggle { display: block; }
    .hero { padding: 6rem 1.5rem 4rem; }
    .hero-eyebrow { font-size: 0.6rem; }
    .hero-sub { font-size: 0.9rem; }
    .about-photo-img { max-width: 100%; }
    .section-header { padding: 5rem 1.5rem 2.5rem; }
    .rolodex { padding: 0 1.5rem; }
    .rolodex-item { padding: 2rem 0; }
    .rolodex-row { flex-wrap: wrap; gap: 0.5rem; }
    .rolodex-year { width: 100%; min-width: auto; }
    .rolodex-title { font-size: clamp(2rem, 9vw, 3.5rem); }
    .rolodex-detail { padding-left: 0; flex-wrap: wrap; gap: 0.5rem 1rem; }
    .rolodex-item::after { display: none; }
    .about-content { padding: 0 1.5rem; }
    .contact-content { padding: 0 1.5rem; }
    .footer { padding: 2rem 1.5rem; }
    .back-nav { padding: 1.25rem 1.5rem; }
    .case-hero { padding: 6rem 1.5rem 3rem; min-height: 50vh; }
    .case-overview { padding: 3rem 1.5rem; }
    .bts-strip-item { height: 200px; }
    .bts-strip { padding: 0 0 2.5rem; }
    .metrics-bar { padding: 0 1.5rem; grid-template-columns: 1fr 1fr; }
    .case-projects { padding: 0 1.5rem 4rem; }
    .case-grid { grid-template-columns: 1fr; }
    .case-video-section { padding: 0 1.5rem 4rem; }
    .case-video-grid { grid-template-columns: 1fr; }
    .hero::before { animation: none; }
    .hero-glow { width: 300px; height: 300px; }
    .hero-canvas { display: none; }
}

@media (max-width: 480px) {
    .hero-title { font-size: 2.4rem; }
    .rolodex-title { font-size: 1.8rem; }
    .section-title { font-size: 1.8rem; }
    .about-lead { font-size: 1.3rem; }
    .contact-lead { font-size: 1.1rem; }
    .metrics-bar { grid-template-columns: 1fr; }
}

/* Selection color */
::selection { background: var(--white); color: var(--black); }
::-moz-selection { background: var(--white); color: var(--black); }

/* Scrollbar */
::-webkit-scrollbar { width: 3px; }
::-webkit-scrollbar-track { background: var(--black); }
::-webkit-scrollbar-thumb { background: var(--dark-3); }
::-webkit-scrollbar-thumb:hover { background: var(--gray-dark); }

/* ---- Video Embeds ---- */
.video-embed {
    position: relative;
    padding-bottom: 56.25%;
    height: 0;
    overflow: hidden;
    border-radius: 2px;
    background: var(--dark-2);
    width: 100%;
    max-width: 100%;
    cursor: pointer;
}
.video-embed iframe {
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    border: 0;
}
@supports (aspect-ratio: 16/9) {
    .video-embed {
        padding-bottom: 0;
        height: auto;
        aspect-ratio: 16 / 9;
    }
    .video-embed iframe {
        position: static;
        width: 100%;
        height: 100%;
    }
}

/* Video Facade (lite-vimeo) */
.video-facade {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2;
    transition: opacity 0.3s var(--ease);
}
.video-facade.loaded { opacity: 0; pointer-events: none; }
.video-facade img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.video-facade-play {
    position: relative;
    z-index: 3;
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.25);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.3s var(--ease), transform 0.3s var(--ease);
}
.video-embed:hover .video-facade-play {
    background: rgba(255, 255, 255, 0.25);
    transform: scale(1.08);
}
.video-facade-play svg {
    width: 20px;
    height: 20px;
    fill: var(--white);
    margin-left: 3px;
}
.case-video-section {
    padding: 0 3rem 4rem;
    max-width: 1400px;
    margin: 0 auto;
}
.case-video-section .case-projects-title {
    margin-bottom: 2.5rem;
}
.case-video-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 480px), 1fr));
    gap: 2.5rem;
}
.case-video-item .case-card-tag {
    display: inline-block;
    margin-top: 1rem;
}
.case-video-item .case-card-title {
    font-family: var(--font-serif);
    font-size: 1.2rem;
    font-weight: 400;
    margin-top: 0.4rem;
    color: var(--white);
}
a.case-video-item { display: block; text-decoration: none; color: inherit; }
a.case-video-item .case-card-title {
    transition: color 0.3s var(--ease), text-shadow 0.3s var(--ease);
}
a.case-video-item:hover .case-card-title {
    text-shadow: 0 0 20px rgba(255, 255, 255, 0.2);
}
a.case-video-item::after {
    content: 'View Case Study →';
    display: block;
    font-size: 0.65rem;
    font-weight: 500;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--gray);
    margin-top: 0.75rem;
    transition: color 0.3s var(--ease);
}
a.case-video-item:hover::after {
    color: var(--white);
}

/* ---- Video Detail Subpages (Cargo-esque Editorial) ---- */
.vd { max-width: 1200px; margin: 0 auto; padding: 0 3rem; }
.vd-video { padding-top: 7rem; }
.vd-video .video-embed { border-radius: 2px; }

.vd-header { padding: 3rem 0 2rem; border-bottom: 1px solid var(--border); }
.vd-tag {
    font-size: 0.6rem; font-weight: 500; letter-spacing: 0.18em;
    text-transform: uppercase; color: var(--gray-light); margin-bottom: 1rem; display: block;
}
.vd-title {
    font-family: var(--font-serif);
    font-size: clamp(2.4rem, 5vw, 4.5rem);
    font-weight: 400; line-height: 1.05; color: var(--white);
}

.vd-info {
    display: grid; grid-template-columns: 1fr 300px;
    gap: 4rem; padding: 3rem 0; border-bottom: 1px solid var(--border);
}
.vd-desc {
    font-size: 1.05rem; font-weight: 300; line-height: 1.85; color: var(--white-dim);
}
.vd-sidebar-block { margin-bottom: 1.5rem; }
.vd-sidebar-label {
    font-size: 0.55rem; font-weight: 500; letter-spacing: 0.18em;
    text-transform: uppercase; color: var(--gray); margin-bottom: 0.5rem;
    padding-bottom: 0.4rem; border-bottom: 1px solid var(--border); display: block;
}
.vd-sidebar-value {
    font-size: 0.85rem; font-weight: 300; color: var(--white-dim); line-height: 1.7;
}

.vd-callout {
    padding: 5rem 0;
    font-family: var(--font-serif);
    font-size: clamp(1.8rem, 3.5vw, 3.2rem);
    font-weight: 400; line-height: 1.25; color: var(--white);
    font-style: italic; max-width: 900px;
}

.vd-body { padding: 3rem 0; max-width: 720px; }
.vd-body p {
    font-size: 1rem; font-weight: 300; line-height: 1.85;
    color: var(--white-dim); margin-bottom: 1.5rem;
}

.vd-image {
    width: 100%; aspect-ratio: 16/9; background: var(--dark-2);
    border-radius: 2px; margin: 2rem 0; position: relative; overflow: hidden;
}
.vd-image img { width: 100%; height: 100%; object-fit: cover; }
.vd-image-caption {
    font-size: 0.7rem; font-weight: 400; letter-spacing: 0.08em;
    color: var(--gray); margin-top: 0.75rem; text-transform: uppercase;
}

.vd-image-grid {
    display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; margin: 2rem 0;
}
.vd-image-grid .vd-image { margin: 0; }

.vd-divider { height: 1px; background: var(--border); margin: 3rem 0; }

.vd-nav {
    padding: 3rem 0; border-top: 1px solid var(--border);
    display: flex; justify-content: space-between; align-items: center;
}
.vd-nav a {
    font-size: 0.7rem; font-weight: 400; letter-spacing: 0.12em;
    text-transform: uppercase; color: var(--gray-light);
    transition: color 0.3s var(--ease);
}
.vd-nav a:hover { color: var(--white); }

@media (max-width: 768px) {
    .vd { padding: 0 1.5rem; }
    .vd-video { padding-top: 5rem; }
    .vd-info { grid-template-columns: 1fr; gap: 2rem; }
    .vd-callout { padding: 3rem 0; }
    .vd-image-grid { grid-template-columns: 1fr; }
}

/* ---- Page Transition ---- */
.page-transition {
    position: fixed;
    inset: 0;
    background: var(--black);
    z-index: 10000;
    pointer-events: none;
    opacity: 1;
    transition: opacity 0.4s var(--ease);
}
.page-transition.loaded {
    opacity: 0;
}
.page-transition.exiting {
    opacity: 1;
    pointer-events: all;
}