/* ================================================
   RESET & BASE
   ================================================ */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --color-bg: #FAFAFA;
    --color-text: #0A0A0A;
    --color-muted: #888;
    --color-border: #E0E0E0;
    --color-card-bg: #F0F0F0;
    --font-sans: 'Inter', sans-serif;
    --font-serif: 'Instrument Serif', serif;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    background-color: var(--color-bg);
    color: var(--color-text);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

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

/* ================================================
   NAVIGATION
   ================================================ */
.top-nav {
    position: fixed;
    top: 0;
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 3rem;
    z-index: 100;
    background: rgba(250, 250, 250, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-border);
}

.nav-brand {
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: 0.05em;
}

.nav-right {
    display: flex;
    gap: 2.5rem;
}

.nav-link {
    font-size: 0.8rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    position: relative;
    transition: color 0.3s;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--color-text);
    transition: width 0.3s ease;
}

.nav-link:hover::after {
    width: 100%;
}

/* ================================================
   HERO SECTION
   ================================================ */
.hero {
    min-height: 100vh;
    padding: 10rem 3rem 3rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
    position: relative;
}

.hero-label {
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    color: var(--color-muted);
    margin-bottom: 2rem;
    text-transform: uppercase;
}

.hero-title {
    display: flex;
    flex-direction: column;
    line-height: 0.85;
    margin-bottom: 4rem;
}

.hero-line-1 {
    font-family: var(--font-serif);
    font-size: clamp(5rem, 12vw, 12rem);
    font-weight: 400;
    font-style: italic;
    letter-spacing: -0.03em;
}

.hero-line-2 {
    font-family: var(--font-sans);
    font-size: clamp(3rem, 7vw, 7rem);
    font-weight: 600;
    letter-spacing: -0.04em;
    text-transform: uppercase;
}

.hero-accent {
    font-family: var(--font-serif);
    font-weight: 400;
    font-style: italic;
    text-transform: none;
}

.hero-bottom {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
}

.hero-desc {
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.08em;
    color: var(--color-muted);
    margin-bottom: 0.4rem;
}

.hero-scroll {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.scroll-label {
    font-size: 0.7rem;
    font-weight: 500;
    letter-spacing: 0.08em;
    color: var(--color-muted);
}

.scroll-line-container {
    width: 1px;
    height: 48px;
    background: var(--color-border);
    position: relative;
    overflow: hidden;
}

.scroll-line-animated {
    width: 100%;
    height: 50%;
    background: var(--color-text);
    position: absolute;
    top: 0;
    animation: scroll-pulse 2.4s cubic-bezier(0.65, 0, 0.35, 1) infinite;
}

@keyframes scroll-pulse {
    0% { transform: translateY(-100%); }
    100% { transform: translateY(200%); }
}

/* ================================================
   WORK SECTION
   ================================================ */
.work-section {
    padding: 8rem 3rem;
    border-top: 1px solid var(--color-border);
}

.section-title-row {
    display: flex;
    align-items: baseline;
    gap: 0.75rem;
    margin-bottom: 5rem;
}

.section-title-large {
    font-family: var(--font-sans);
    font-size: clamp(4rem, 10vw, 10rem);
    font-weight: 600;
    letter-spacing: -0.04em;
    line-height: 0.85;
    text-transform: uppercase;
}

.section-count {
    font-family: var(--font-sans);
    font-size: 1.25rem;
    font-weight: 400;
    letter-spacing: 0.02em;
    color: var(--color-muted);
    align-self: flex-start;
    margin-top: 0.5rem;
}

/* Project Grid — 2 columns asymmetric */
.work-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 2rem;
}

.work-card {
    text-decoration: none;
    color: inherit;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.work-card-large {
    /* spans a larger visual weight */
}

.work-card-image {
    width: 100%;
    aspect-ratio: 4 / 3;
    background: var(--color-card-bg);
    position: relative;
    overflow: hidden;
    transition: transform 0.4s ease;
}

.work-card-large .work-card-image {
    aspect-ratio: 16 / 10;
}

.work-card:hover .work-card-image {
    transform: scale(0.98);
}

.work-card-overlay {
    position: absolute;
    inset: 0;
    background: rgba(10, 10, 10, 0);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.4s ease;
}

.work-card:hover .work-card-overlay {
    background: rgba(10, 10, 10, 0.7);
}

.work-card-cta {
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 0.08em;
    color: #fff;
    opacity: 0;
    transform: translateY(8px);
    transition: opacity 0.3s ease 0.1s, transform 0.3s ease 0.1s;
}

.work-card:hover .work-card-cta {
    opacity: 1;
    transform: translateY(0);
}

.work-card-info {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    flex-wrap: wrap;
    gap: 0.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--color-border);
}

.work-card-name {
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.work-card-meta {
    font-size: 0.7rem;
    font-weight: 400;
    letter-spacing: 0.04em;
    color: var(--color-muted);
    text-transform: uppercase;
}

/* ================================================
   ABOUT SECTION
   ================================================ */
.about-section {
    padding: 8rem 3rem;
    border-top: 1px solid var(--color-border);
}

.about-header {
    margin-bottom: 6rem;
}

.about-title-large {
    display: flex;
    flex-direction: column;
}

.about-word {
    font-family: var(--font-serif);
    font-size: clamp(3rem, 8vw, 7rem);
    font-weight: 400;
    font-style: italic;
    line-height: 1;
    letter-spacing: -0.02em;
}

/* About body: label + text side by side */
.about-body {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: 2rem;
    margin-bottom: 5rem;
    max-width: 1000px;
}

.label-tag {
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-muted);
}

.about-text {
    font-size: 1.15rem;
    font-weight: 300;
    line-height: 1.65;
    color: #333;
    margin-bottom: 1.5rem;
}

/* Stats */
.stats-row {
    display: flex;
    gap: 4rem;
    padding: 3rem 0;
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
    margin-bottom: 4rem;
}

.stat-item {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.stat-number {
    font-family: var(--font-sans);
    font-size: 2.5rem;
    font-weight: 600;
    letter-spacing: -0.03em;
}

.stat-label {
    font-size: 0.65rem;
    font-weight: 500;
    letter-spacing: 0.08em;
    color: var(--color-muted);
    text-transform: uppercase;
}

/* Experience List */
.experience-list {
    display: flex;
    flex-direction: column;
}

.experience-label {
    margin-bottom: 2rem;
}

.experience-item {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    padding: 1.25rem 0;
    border-bottom: 1px solid var(--color-border);
}

.exp-role {
    font-size: 1rem;
    font-weight: 400;
}

.exp-date {
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.06em;
    color: var(--color-muted);
    text-transform: uppercase;
}

/* ================================================
   CONTACT / FOOTER
   ================================================ */
.contact-section {
    padding: 8rem 3rem 3rem;
    background: var(--color-text);
    color: var(--color-bg);
    border-top: 1px solid var(--color-border);
}

.contact-title {
    font-family: var(--font-sans);
    font-size: clamp(4rem, 10vw, 10rem);
    font-weight: 600;
    letter-spacing: -0.04em;
    line-height: 0.85;
    text-transform: uppercase;
    margin-bottom: 4rem;
}

.contact-links {
    display: flex;
    gap: 3rem;
    margin-bottom: 6rem;
}

.contact-link {
    font-size: 1.1rem;
    font-weight: 400;
    position: relative;
    transition: opacity 0.3s;
}

.contact-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100%;
    height: 1px;
    background: var(--color-bg);
    opacity: 0.3;
}

.contact-link:hover {
    opacity: 0.6;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(250, 250, 250, 0.15);
}

.footer-copy {
    font-size: 0.7rem;
    font-weight: 400;
    letter-spacing: 0.06em;
    color: rgba(250, 250, 250, 0.4);
}

/* ================================================
   RESPONSIVE
   ================================================ */
@media (max-width: 900px) {
    .top-nav {
        padding: 1.25rem 1.5rem;
    }

    .nav-right {
        gap: 1.5rem;
    }

    .hero {
        padding: 8rem 1.5rem 2rem;
    }

    .hero-bottom {
        flex-direction: column;
        align-items: flex-start;
        gap: 2rem;
    }

    .work-section,
    .about-section,
    .contact-section {
        padding-left: 1.5rem;
        padding-right: 1.5rem;
    }

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

    .work-card-large .work-card-image {
        aspect-ratio: 4 / 3;
    }

    .about-body {
        grid-template-columns: 1fr;
    }

    .stats-row {
        flex-direction: column;
        gap: 2rem;
    }

    .contact-links {
        flex-direction: column;
        gap: 1.5rem;
    }

    .experience-item {
        flex-direction: column;
        gap: 0.25rem;
    }
}

/* ================================================
   PROJECT PAGES (shared)
   ================================================ */
.project-page {
    background: var(--color-bg);
}

.back-link {
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    transition: opacity 0.3s;
}

.back-link:hover {
    opacity: 0.5;
}

.project-content {
    max-width: 1000px;
    margin: 0 auto;
    padding: 8rem 3rem 4rem;
}

.project-header-full {
    margin-bottom: 4rem;
}

.project-header-full h2 {
    font-family: var(--font-sans);
    font-size: 2.5rem;
    font-weight: 600;
    letter-spacing: -0.02em;
    text-transform: uppercase;
    margin-bottom: 0.75rem;
}

.metadata {
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.06em;
    color: var(--color-muted);
    text-transform: uppercase;
}

.project-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    margin-bottom: 4rem;
}

.text-block h3 {
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-muted);
    margin-bottom: 1rem;
}

.text-block p {
    font-size: 1.05rem;
    font-weight: 300;
    line-height: 1.6;
    max-width: 500px;
}

.process-block {
    margin-bottom: 4rem;
}

.process-block h3 {
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-muted);
    margin-bottom: 1.5rem;
}

.process-block ol {
    list-style: none;
    counter-reset: steps;
}

.process-block li {
    counter-increment: steps;
    padding: 1.25rem 0;
    border-bottom: 1px solid var(--color-border);
    font-size: 1rem;
    font-weight: 300;
    line-height: 1.5;
}

.process-block li::before {
    content: '(' counter(steps, decimal-leading-zero) ')';
    font-weight: 500;
    font-size: 0.8rem;
    letter-spacing: 0.04em;
    margin-right: 1rem;
    color: var(--color-muted);
}

.process-block li strong {
    font-weight: 500;
}

.impact-block {
    padding: 2rem 0;
    margin-bottom: 4rem;
    border-left: 2px solid var(--color-text);
    padding-left: 2rem;
}

.impact-block h3 {
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-muted);
    margin-bottom: 1rem;
}

.impact-block p {
    font-size: 1.15rem;
    font-weight: 300;
    line-height: 1.5;
}

.gallery-placeholder {
    width: 100%;
    aspect-ratio: 16 / 9;
    background: var(--color-card-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-muted);
    font-size: 0.75rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-bottom: 4rem;
}

.next-project {
    padding-top: 3rem;
    border-top: 1px solid var(--color-border);
}

.next-project a {
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    transition: opacity 0.3s;
}

.next-project a:hover {
    opacity: 0.5;
}

@media (max-width: 900px) {
    .project-content {
        padding: 6rem 1.5rem 3rem;
    }

    .project-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}