:root {
    --black: #0d0d0d;
    --off-white: #f2ede6;
    --amber: #e8a117;
    --rust: #c44b1b;
    --steel: #6b7280;
    --light-steel: #b8bfc9;
}

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

body {
    background-color: var(--black);
    color: var(--off-white);
    font-family: "DM Sans", sans-serif;
    font-weight: 300;
    overflow-x: hidden;
}

/* ── HERO-infra ── */
.hero-infra {
    position: relative;
    height: 100vh;
    min-height: 600px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 4rem 5vw 4rem;
    overflow: hidden;
}

.hero-infra-bg.loaded {
    transform: scale(1);
}

.hero-infra-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        to top,
        rgba(13, 13, 13, 0.92) 0%,
        rgba(13, 13, 13, 0.1) 60%
    );
}

.hero-infra-badge {
    position: absolute;
    top: 2.5rem;
    right: 5vw;
    font-family: "Space Mono", monospace;
    font-size: 0.65rem;
    letter-spacing: 0.12em;
    color: var(--amber);
    border: 1px solid var(--amber);
    padding: 0.4rem 0.9rem;
    text-transform: uppercase;
    opacity: 0;
    animation: fadeSlideDown 0.8s 0.5s forwards;
}

.hero-infra-nav {
    position: absolute;
    top: 2.5rem;
    left: 5vw;
    display: flex;
    align-items: center;
    gap: 2rem;
    opacity: 0;
    animation: fadeSlideDown 0.8s 0.3s forwards;
}

.logo {
    font-family: "Bebas Neue", sans-serif;
    font-size: 1.5rem;
    letter-spacing: 0.08em;
    color: var(--off-white);
}

.logo span {
    color: var(--amber);
}

.hero-infra-content {
    position: relative;
    z-index: 2;
}

.hero-infra-eyebrow {
    font-family: "Space Mono", monospace;
    font-size: 0.7rem;
    letter-spacing: 0.2em;
    color: var(--amber);
    text-transform: uppercase;
    margin-bottom: 1rem;
    opacity: 0;
    animation: fadeSlideUp 0.8s 0.6s forwards;
}

.hero-infra-title {
    font-family: "Bebas Neue", sans-serif;
    font-size: clamp(4rem, 11vw, 10rem);
    line-height: 0.92;
    letter-spacing: 0.02em;
    color: var(--off-white);
    opacity: 0;
    animation: fadeSlideUp 0.9s 0.75s forwards;
}

.hero-infra-title span {
    color: var(--amber);
    display: block;
}

.hero-infra-meta {
    display: flex;
    gap: 3rem;
    margin-top: 2.5rem;
    opacity: 0;
    animation: fadeSlideUp 0.8s 1s forwards;
}

.hero-infra-meta-item label {
    display: block;
    font-family: "Space Mono", monospace;
    font-size: 0.6rem;
    letter-spacing: 0.15em;
    color: var(--steel);
    text-transform: uppercase;
    margin-bottom: 0.3rem;
}

.hero-infra-meta-item span {
    font-size: 0.95rem;
    font-weight: 400;
    color: var(--off-white);
}

.hero-infra-scroll {
    position: absolute;
    bottom: 2rem;
    right: 5vw;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    opacity: 0;
    animation: fadeSlideUp 0.8s 1.3s forwards;
}

.hero-infra-scroll span {
    font-family: "Space Mono", monospace;
    font-size: 0.55rem;
    letter-spacing: 0.2em;
    color: var(--steel);
    text-transform: uppercase;
    writing-mode: vertical-rl;
}

.scroll-line {
    width: 1px;
    height: 60px;
    background: linear-gradient(to bottom, var(--amber), transparent);
    animation: scrollLine 2s 1.5s infinite;
}

/* ── STATS ── */
.stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.stat-item {
    padding: 3rem 2rem;
    border-right: 1px solid rgba(255, 255, 255, 0.06);
    opacity: 0;
    transform: translateY(30px);
    transition:
        opacity 0.6s,
        transform 0.6s;
}

.stat-item:last-child {
    border-right: none;
}

.stat-item.visible {
    opacity: 1;
    transform: none;
}

.stat-num {
    font-family: "Bebas Neue", sans-serif;
    font-size: clamp(2.5rem, 4vw, 4rem);
    color: var(--amber);
    line-height: 1;
}

.stat-label {
    font-family: "Space Mono", monospace;
    font-size: 0.65rem;
    letter-spacing: 0.15em;
    color: var(--steel);
    text-transform: uppercase;
    margin-top: 0.5rem;
}

/* ── SECTION ── */
.section {
    padding: 6rem 5vw;
}

.section-tag {
    font-family: "Space Mono", monospace;
    font-size: 0.65rem;
    letter-spacing: 0.2em;
    color: var(--amber);
    text-transform: uppercase;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.section-tag::before {
    content: "";
    display: inline-block;
    width: 30px;
    height: 1px;
    background: var(--amber);
}

.section-title {
    font-family: "Bebas Neue", sans-serif;
    font-size: clamp(2.5rem, 5vw, 5rem);
    letter-spacing: 0.03em;
    line-height: 1;
    margin-bottom: 1.5rem;
}

/* ── OVERVIEW ── */
.overview-grid {
    display: grid;
    gap: 1px;
    margin-bottom: 4rem;
    grid-template-columns: repeat(2, minmax(250px, 1fr));
}

.overview-img img {
    width: 100%;
    display: block;
}

.overview-text p {
    font-size: 1.05rem;
    line-height: 1.8;
    color: var(--light-steel);
    margin-bottom: 1.2rem;
}

.overview-img {
    position: relative;
    aspect-ratio: 4/3;
    overflow: hidden;
}

.overview-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.overview-img:hover img {
    transform: scale(1.04);
}

.overview-img::before {
    content: "";
    position: absolute;
    inset: 0;
    border: 2px solid var(--amber);
    transform: translate(12px, 12px);
    z-index: -1;
}

/* ── GALLERY ── */
.gallery {
    background: #111;
    padding: 6rem 5vw;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    grid-template-rows: auto;
    gap: 16px;
    margin-top: 3rem;
}

.g-item {
    overflow: hidden;
    position: relative;
    cursor: pointer;
}

.g-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition:
        transform 0.5s ease,
        filter 0.5s ease;
    filter: saturate(0.6);
}

.g-item:hover img {
    transform: scale(1.06);
    filter: saturate(1);
}

.g-item:nth-child(1) {
    grid-column: span 7;
    aspect-ratio: 16/9;
}

.g-item:nth-child(2) {
    grid-column: span 5;
    aspect-ratio: 4/3;
}

.g-item:nth-child(3) {
    grid-column: span 4;
    aspect-ratio: 1/1;
}

.g-item:nth-child(4) {
    grid-column: span 4;
    aspect-ratio: 1/1;
}

.g-item:nth-child(5) {
    grid-column: span 4;
    aspect-ratio: 1/1;
}

.g-caption {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 1.5rem;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.85), transparent);
    font-family: "Space Mono", monospace;
    font-size: 0.6rem;
    letter-spacing: 0.12em;
    color: var(--light-steel);
    text-transform: uppercase;
    transform: translateY(100%);
    transition: transform 0.35s ease;
}

.g-item:hover .g-caption {
    transform: translateY(0);
}

/* ── TIMELINE ── */
.timeline {
    padding: 6rem 5vw;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.timeline-track {
    position: relative;
    margin-top: 3rem;
    padding-left: 2rem;
}

.timeline-track::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 1px;
    background: linear-gradient(to bottom, var(--amber), transparent);
}

.timeline-entry {
    position: relative;
    padding: 0 0 3rem 2.5rem;
    opacity: 0;
    transform: translateX(-20px);
    transition:
        opacity 0.6s,
        transform 0.6s;
}

.timeline-entry.visible {
    opacity: 1;
    transform: none;
}

.timeline-entry::before {
    content: "";
    position: absolute;
    left: -0.45rem;
    top: 0.4rem;
    width: 10px;
    height: 10px;
    background: var(--amber);
    border-radius: 50%;
}

.timeline-date {
    font-family: "Space Mono", monospace;
    font-size: 0.65rem;
    letter-spacing: 0.15em;
    color: var(--amber);
    text-transform: uppercase;
    margin-bottom: 0.4rem;
}

.timeline-title {
    font-family: "Bebas Neue", sans-serif;
    font-size: 1.6rem;
    letter-spacing: 0.05em;
    margin-bottom: 0.5rem;
}

.timeline-desc {
    font-size: 0.9rem;
    color: var(--light-steel);
    line-height: 1.7;
    max-width: 480px;
}

/* ── TEAM ── */
.team {
    padding: 6rem 5vw;
    background: #111;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 2px;
    margin-top: 3rem;
}

.team-card {
    position: relative;
    aspect-ratio: 3/4;
    overflow: hidden;
    background: #1a1a1a;
}

.team-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: grayscale(100%);
    transition:
        filter 0.4s ease,
        transform 0.5s ease;
}

.team-card:hover img {
    filter: grayscale(30%);
    transform: scale(1.05);
}

.team-info {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 1.5rem 1rem 1rem;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.9), transparent);
}

.team-name {
    font-family: "Bebas Neue", sans-serif;
    font-size: 1.3rem;
    letter-spacing: 0.06em;
}

.team-role {
    font-family: "Space Mono", monospace;
    font-size: 0.58rem;
    letter-spacing: 0.12em;
    color: var(--amber);
    text-transform: uppercase;
    margin-top: 0.2rem;
}

/* ── PROGRESS BARS ── */
.progress-section {
    padding: 6rem 5vw;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.progress-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
    margin-top: 3rem;
}

.progress-item {
}

.progress-header {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    margin-bottom: 0.7rem;
}

.progress-name {
    font-family: "Space Mono", monospace;
    font-size: 0.68rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--light-steel);
}

.progress-pct {
    font-family: "Bebas Neue", sans-serif;
    font-size: 1.2rem;
    color: var(--amber);
}

.progress-bar {
    height: 3px;
    background: rgba(255, 255, 255, 0.08);
    position: relative;
    overflow: hidden;
}

.progress-fill {
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    background: var(--amber);
    width: 0%;
    transition: width 1.2s cubic-bezier(0.16, 1, 0.3, 1);
}

/* ── FOOTER ── */
footer {
    padding: 3rem 5vw;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-logo {
    font-family: "Bebas Neue", sans-serif;
    font-size: 1.3rem;
    letter-spacing: 0.1em;
    color: var(--off-white);
}

.footer-logo span {
    color: var(--amber);
}

.footer-copy {
    font-family: "Space Mono", monospace;
    font-size: 0.58rem;
    color: var(--steel);
    letter-spacing: 0.1em;
}

/* ── ANIMATIONS ── */
@keyframes fadeSlideUp {
    from {
        opacity: 0;
        transform: translateY(24px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeSlideDown {
    from {
        opacity: 0;
        transform: translateY(-14px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes scrollLine {
    0% {
        transform: scaleY(0);
        transform-origin: top;
    }

    50% {
        transform: scaleY(1);
        transform-origin: top;
    }

    51% {
        transform: scaleY(1);
        transform-origin: bottom;
    }

    100% {
        transform: scaleY(0);
        transform-origin: bottom;
    }
}

/* ── RESPONSIVE ── */
@media (max-width: 768px) {
    .stats {
        grid-template-columns: repeat(2, 1fr);
    }

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

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

    .g-item:nth-child(n) {
        grid-column: span 1;
    }

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

    .hero-infra-meta {
        flex-wrap: wrap;
        gap: 1.5rem;
    }

    .team-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}