/* =========================================================
   HERizon — HEADER / NAVIGATION
   ========================================================= */

.site-header {
    position: fixed;
    top: 0;
    left: 0;
    z-index: 1000;
    width: 100%;
    background: transparent;
    transition:
        background var(--transition-base),
        backdrop-filter var(--transition-base);
}

.site-header.scrolled {
    background: rgba(10, 10, 12, 0.86);
    backdrop-filter: blur(18px);
}

/* NAV CONTAINER */

.nav-container {
    width: min(
        calc(100% - 3rem),
        var(--container)
    );

    min-height: 5.5rem;
    margin-inline: auto;

    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
}

/* LOGO */

.nav-logo {
    display: inline-flex;
    align-items: center;
    flex-shrink: 0;
}

.nav-logo img {
    display: block;
    width: 145px;
    height: auto;
    object-fit: contain;
}

/* DESKTOP NAVIGATION */

.main-nav {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 1.65rem;
}

.main-nav a {
    position: relative;

    font-size: 0.65rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;

    color: rgba(255, 255, 255, 0.7);

    transition: color var(--transition-base);
}

.main-nav a::after {
    content: "";

    position: absolute;
    left: 0;
    bottom: -0.45rem;

    width: 100%;
    height: 1px;

    background: var(--purple);

    transform: scaleX(0);
    transform-origin: right;

    transition: transform var(--transition-base);
}

.main-nav a:hover,
.main-nav a.active {
    color: var(--white);
}

.main-nav a:hover::after,
.main-nav a.active::after {
    transform: scaleX(1);
    transform-origin: left;
}

/* MOBILE TOGGLE */

.nav-toggle {
    display: none;

    width: 2.5rem;
    height: 2.5rem;

    padding: 0;
    border: 0;

    background: transparent;
    cursor: pointer;
}

.nav-toggle span {
    display: block;

    width: 1.5rem;
    height: 1px;

    margin: 0.4rem auto;

    background: var(--white);

    transition: transform var(--transition-base);
}

/* =========================================================
   MOBILE NAVIGATION
   ========================================================= */

@media (max-width: 900px) {

    .nav-container {
        width: calc(100% - 2rem);
    }

    .nav-toggle {
        position: relative;
        z-index: 1001;
        display: block;
    }

    .main-nav {
        position: fixed;
        inset: 0;

        display: flex;
        flex-direction: column;
        align-items: flex-start;
        justify-content: center;

        gap: 1.5rem;
        padding: 2rem;

        background: var(--black);

        opacity: 0;
        visibility: hidden;
        pointer-events: none;

        transition:
            opacity var(--transition-base),
            visibility var(--transition-base);
    }

    .main-nav.is-open {
        opacity: 1;
        visibility: visible;
        pointer-events: auto;
    }

    .main-nav a {
        font-family: var(--font-display);
        font-size: 3rem;
        font-weight: 500;
        letter-spacing: -0.02em;
        text-transform: none;
    }

    .nav-toggle.is-open {
        position: relative;
        z-index: 1002;
    }

    .nav-toggle.is-open span:first-child {
        transform: translateY(0.4rem) rotate(45deg);
    }

    .nav-toggle.is-open span:last-child {
        transform: translateY(-0.4rem) rotate(-45deg);
    }
}

@media (max-width: 600px) {

    .nav-logo img {
        width: 120px;
    }

    .main-nav a {
        font-size: 2.5rem;
    }
}

/* =========================================
   HERO
========================================= */

.hero {
    min-height: 100svh;

    display: flex;
    align-items: center;

    overflow: hidden;

    background: var(--black);
}


.hero__background {
    position: absolute;
    inset: 0;

    background:
        radial-gradient(
            circle at 75% 45%,
            rgba(131, 0, 200, 0.28),
            transparent 30%
        );

    pointer-events: none;
}


.hero__content {
    position: relative;
    z-index: 2;
}


.hero__title {
    margin: 0;

    font-family: var(--font-display);
    font-size: clamp(7rem, 20vw, 20rem);
    font-weight: 500;
    line-height: 0.68;
    letter-spacing: -0.07em;
}

.hero__title span {
    color: var(--purple);
}


.hero__subtitle {
    max-width: 30rem;

    margin: 3rem 0;

    color: rgba(255, 255, 255, 0.7);

    font-size: clamp(1rem, 1.4vw, 1.25rem);
    line-height: 1.6;
}


.hero__meta {
    position: absolute;
    right: 3rem;
    bottom: 3rem;

    display: flex;
    align-items: center;
    gap: 1rem;

    font-size: 0.65rem;
    letter-spacing: 0.15em;
}

.hero__line {
    display: block;

    width: 4rem;
    height: 1px;

    background: var(--silver);
}


.hero__scroll {
    position: absolute;
    left: 3rem;
    bottom: 3rem;

    display: flex;
    gap: 0.75rem;

    color: var(--silver);

    font-size: 0.65rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}


/* =========================================
   INTRO
========================================= */

.intro {
    min-height: 85svh;

    display: flex;
    align-items: center;
}


.intro__grid {
    display: grid;
    grid-template-columns: 0.7fr 1.8fr;
    gap: 5rem;
}


.intro__content {
    max-width: 60rem;
}


.intro__text {
    max-width: 42rem;

    margin-top: 3rem;

    color: #555;

    font-size: 1rem;
    line-height: 1.9;
}


/* =========================================
   SECTION HEADING
========================================= */

.section-heading {
    margin-bottom: 5rem;
}

.section-heading--row {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 3rem;
}


/* =========================================
   TEAM
========================================= */

.team {
    background: var(--black);
}


.team__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1px;

    background: rgba(199, 199, 204, 0.25);
}


.team-member {
    background: var(--black);
}


.team-member__image {
    aspect-ratio: 0.82;

    overflow: hidden;

    background: var(--light-silver);
}


.team-member__image img {
    width: 100%;
    height: 100%;

    object-fit: cover;

    filter: grayscale(100%);

    transition:
        filter var(--transition-slow),
        transform var(--transition-slow);
}


.team-member:hover img {
    filter: grayscale(0);
    transform: scale(1.04);
}


.team-member__info {
    display: grid;
    grid-template-columns: auto 1fr;
    column-gap: 1rem;

    padding: 1.5rem;
}


.team-member__number {
    grid-row: span 2;

    color: var(--purple);

    font-size: 0.65rem;
}


.team-member h3 {
    margin-bottom: 0.2rem;

    font-size: 1.5rem;
}


.team-member p {
    margin: 0;

    color: var(--silver);

    font-size: 0.65rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}


.team__more {
    display: none;

    margin-top: 1px;
}

.team__more.is-open {
    display: block;
}


.team__toggle {
    display: flex;
    align-items: center;
    gap: 1rem;

    margin: 3rem auto 0;

    padding: 0;

    border: 0;

    background: transparent;
    color: var(--white);

    cursor: pointer;

    font-size: 0.68rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}


.team__toggle-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;

    width: 2rem;
    height: 2rem;

    border: 1px solid var(--silver);

    color: var(--silver);

    transition:
        background var(--transition-base),
        color var(--transition-base),
        transform var(--transition-base);
}


.team__toggle:hover .team__toggle-icon {
    background: var(--purple);
    color: var(--white);
    border-color: var(--purple);
}


/* =========================================
   PROJECTS
========================================= */

.projects__grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 1.5rem;
}


.project-card {
    display: block;
}


.project-card--large {
    grid-row: span 2;
}


.project-card__image {
    aspect-ratio: 1.25;

    overflow: hidden;

    background: var(--light-silver);
}


.project-card--large .project-card__image {
    aspect-ratio: 0.9;
}


.project-card__placeholder {
    display: flex;
    align-items: center;
    justify-content: center;

    width: 100%;
    height: 100%;

    background:
        linear-gradient(
            135deg,
            var(--black),
            var(--purple)
        );

    color: var(--white);

    font-family: var(--font-display);
    font-size: 5rem;

    transition: transform var(--transition-slow);
}


.project-card:hover .project-card__placeholder {
    transform: scale(1.04);
}


.project-card__info {
    padding: 1.25rem 0 2rem;
}


.project-card__info span {
    color: var(--purple);

    font-size: 0.62rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}


.project-card__info h3 {
    margin: 0.4rem 0;

    font-size: 2rem;
}


.project-card__info p {
    margin: 0;

    color: #666;

    font-size: 0.85rem;
}


/* =========================================
   HORIZON
========================================= */

.horizon {
    min-height: 100svh;

    display: flex;
    align-items: center;

    background:
        radial-gradient(
            circle at 80% 50%,
            rgba(131, 0, 200, 0.18),
            transparent 30%
        ),
        var(--black);
}


.horizon__title {
    max-width: 60rem;

    margin-bottom: 7rem;
}


.horizon__columns {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 6rem;
}


.horizon__column {
    max-width: 30rem;
}


.horizon__column p {
    color: rgba(255, 255, 255, 0.7);

    font-size: 1rem;
    line-height: 1.9;
}


/* =========================================
   GALLERY
========================================= */

.gallery-preview__grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr;
    gap: 1rem;
}


.gallery-preview__item {
    aspect-ratio: 1;

    overflow: hidden;
}


.gallery-preview__item--large {
    aspect-ratio: 0.9;
}


.gallery-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;

    width: 100%;
    height: 100%;

    background: var(--light-silver);

    color: #777;

    font-size: 0.65rem;
    letter-spacing: 0.15em;

    transition:
        background var(--transition-base),
        color var(--transition-base);
}


.gallery-preview__item:hover .gallery-placeholder {
    background: var(--purple);
    color: var(--white);
}


/* =========================================
   SPONSORS
========================================= */

.sponsors {
    padding-block: 4rem;

    background: var(--light-silver);
    color: var(--black);
}


.sponsors__label {
    margin-bottom: 2rem;

    color: #777;

    font-size: 0.65rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
}


.sponsors__logos {
    display: flex;
    align-items: center;
    gap: 5rem;

    font-family: var(--font-display);
    font-size: 2rem;
}


/* =========================================
   CONTACT
========================================= */

.contact {
    min-height: 90svh;

    display: flex;
    align-items: center;

    background: var(--purple);
}


.contact__inner {
    max-width: var(--container);
}


.contact h2 {
    max-width: 65rem;
}


.contact h2 em {
    color: var(--black);
}


.contact p {
    max-width: 34rem;

    margin: 3rem 0;

    color: rgba(255, 255, 255, 0.8);

    line-height: 1.8;
}


/* =========================================
   FOOTER
========================================= */

.footer {
    background: var(--black);
    color: var(--white);
}


.footer__top,
.footer__bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
}


.footer__top {
    padding-block: 4rem;

    border-bottom: 1px solid rgba(199, 199, 204, 0.2);
}


.footer__top p {
    margin: 0;

    color: var(--silver);

    font-size: 0.65rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}


.footer__bottom {
    padding-block: 1.5rem;

    color: var(--silver);

    font-size: 0.6rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}


/* =========================================
   MOBILE
========================================= */

@media (max-width: 900px) {

    .navbar__toggle {
        display: block;
    }


    .navbar__menu {
        position: fixed;
        inset: 0;

        display: flex;
        flex-direction: column;
        align-items: flex-start;
        justify-content: center;

        gap: 1.5rem;

        padding: 2rem;

        background: var(--black);

        opacity: 0;
        visibility: hidden;

        transition:
            opacity var(--transition-base),
            visibility var(--transition-base);
    }


    .navbar__menu.is-open {
        opacity: 1;
        visibility: visible;
    }


    .navbar__link {
        font-family: var(--font-display);
        font-size: 3rem;
        font-weight: 500;
        letter-spacing: -0.02em;
        text-transform: none;
    }


    .navbar__toggle.is-open {
        position: relative;
        z-index: 2;
    }


    .navbar__toggle.is-open span:first-child {
        transform: translateY(0.4rem) rotate(45deg);
    }


    .navbar__toggle.is-open span:last-child {
        transform: translateY(-0.4rem) rotate(-45deg);
    }


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


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


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


    .project-card--large {
        grid-row: auto;
    }


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


    .gallery-preview__item--large {
        grid-column: span 2;
    }


    .horizon__columns {
        grid-template-columns: 1fr;
        gap: 3rem;
    }


    .footer__top,
    .footer__bottom {
        align-items: flex-start;
        flex-direction: column;
        gap: 1rem;
    }
}


@media (max-width: 600px) {

    .hero__title {
        font-size: 28vw;
    }


    .hero__meta {
        right: 1rem;
        bottom: 1.5rem;
    }


    .hero__scroll {
        left: 1rem;
        bottom: 1.5rem;
    }


    .section-heading--row {
        align-items: flex-start;
        flex-direction: column;
    }


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


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


    .gallery-preview__item--large {
        grid-column: auto;
    }


    .sponsors__logos {
        flex-wrap: wrap;
        gap: 2rem;
    }
}
/* =========================================================
   HOMEPAGE NAVIGATION — LEGACY CLASS COMPATIBILITY
   ========================================================= */

.navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 5.5rem;
}

.navbar__logo {
    display: inline-flex;
    align-items: center;
    flex-shrink: 0;

    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 600;
    letter-spacing: -0.04em;
    color: var(--white);
}

.navbar__logo span {
    color: var(--purple);
}

.navbar__menu {
    display: flex;
    align-items: center;
    gap: 1.75rem;
}

.navbar__link {
    position: relative;

    font-size: 0.65rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;

    color: rgba(255, 255, 255, 0.7);
    transition: color var(--transition-base);
}

.navbar__link::after {
    content: "";

    position: absolute;
    left: 0;
    bottom: -0.45rem;

    width: 100%;
    height: 1px;

    background: var(--purple);

    transform: scaleX(0);
    transform-origin: right;

    transition: transform var(--transition-base);
}

.navbar__link:hover,
.navbar__link.active {
    color: var(--white);
}

.navbar__link:hover::after,
.navbar__link.active::after {
    transform: scaleX(1);
    transform-origin: left;
}

.navbar__toggle {
    display: none;

    width: 2.5rem;
    height: 2.5rem;
    padding: 0;

    border: 0;
    background: transparent;

    cursor: pointer;
}

.navbar__toggle span {
    display: block;

    width: 1.5rem;
    height: 1px;
    margin: 0.4rem auto;

    background: var(--white);

    transition: transform var(--transition-base);
}


/* =========================================================
   HOMEPAGE NAVIGATION — MOBILE
   ========================================================= */

@media (max-width: 900px) {

    .navbar__toggle {
        display: block;
        position: relative;
        z-index: 1001;
    }

    .navbar__menu {
        position: fixed;
        inset: 0;

        display: flex;
        flex-direction: column;
        align-items: flex-start;
        justify-content: center;

        gap: 1.5rem;
        padding: 2rem;

        background: var(--black);

        opacity: 0;
        visibility: hidden;
        pointer-events: none;

        transition:
            opacity var(--transition-base),
            visibility var(--transition-base);
    }

    .navbar__menu.is-open {
        opacity: 1;
        visibility: visible;
        pointer-events: auto;
    }

    .navbar__link {
        font-family: var(--font-display);
        font-size: 3rem;
        font-weight: 500;
        letter-spacing: -0.02em;
        text-transform: none;
    }

    .navbar__toggle.is-open {
        position: relative;
        z-index: 1002;
    }

    .navbar__toggle.is-open span:first-child {
        transform: translateY(0.4rem) rotate(45deg);
    }

    .navbar__toggle.is-open span:last-child {
        transform: translateY(-0.4rem) rotate(-45deg);
    }
}