/* ==========================================================
   STES Rocketry — inner pages (projects, members, sponsors, contact)
   Builds on f1.css (tokens, glass header, footer, buttons).
   Monochrome: photos are black & white until you hover them.
   ========================================================== */

/* photos / rockets / logos: grayscale until hovered */
.gs {
    filter: grayscale(1) contrast(1.06);
    transition: filter 0.45s ease, transform 0.6s ease;
}

*:hover>.gs,
.gs:hover,
.proj:hover .gs,
.mem:hover .gs,
.sp:hover .gs {
    filter: none;
}

/* ---------- page hero ---------- */
.page-hero {
    position: relative;
    min-height: min(78vh, 760px);
    display: flex;
    align-items: flex-end;
    overflow: hidden;
    background: #070707;
}

.page-hero>img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: var(--pos, 50% 50%);
    filter: grayscale(1) contrast(1.1) brightness(0.62);
}

.page-hero::after {
    content: "";
    position: absolute;
    inset: 0;
    background:
        linear-gradient(to top, var(--bg) 0%, rgba(11, 11, 11, 0.55) 38%, rgba(11, 11, 11, 0) 70%),
        linear-gradient(to bottom, rgba(6, 6, 6, 0.65) 0%, rgba(6, 6, 6, 0) 26%);
}

.hero-inner {
    position: relative;
    z-index: 1;
    width: 100%;
    padding: 0 var(--gutter) 56px;
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 40px;
}

.crumb {
    display: block;
    margin-bottom: 22px;
    font: 400 9.02px/1 var(--display);
    letter-spacing: 0.165em;
    text-transform: uppercase;
    color: var(--muted);
}

.crumb b {
    color: #fff;
    font-weight: 600;
}

.page-title {
    font: 400 clamp(38.08px, 8.16vw, 136px)/1.19 var(--display);
    letter-spacing: 0.00827em;
    text-transform: uppercase;
}

.hero-facts {
    display: flex;
    gap: 40px;
    padding-bottom: 12px;
    flex-shrink: 0;
}

.fact b {
    display: block;
    font: 400 clamp(17.68px, 2.04vw, 29.92px)/1 var(--display);
}

.fact span {
    display: block;
    margin-top: 8px;
    font: 400 9.004px/1 var(--display);
    letter-spacing: 0.132em;
    text-transform: uppercase;
    color: var(--muted);
}

/* ---------- generic section scaffolding ---------- */
.section {
    padding: 90px var(--gutter);
    border-top: 1px solid var(--line);
}

.section-head {
    display: flex;
    align-items: baseline;
    gap: 22px;
    margin-bottom: 48px;
}

.section-head .no {
    font: 400 9.84px/1 var(--display);
    letter-spacing: 0.132em;
    color: var(--muted);
}

.section-head h2 {
    font: 400 clamp(17.68px, 2.176vw, 32.64px)/1 var(--display);
    letter-spacing: 0.033em;
    text-transform: uppercase;
}

.ghost {
    font: 400 clamp(81.6px, 14.96vw, 231.2px)/0.96 var(--display);
    color: rgba(255, 255, 255, 0.055);
    user-select: none;
}

/* registration crosshair, used as a corner mark */
.reg {
    position: absolute;
    width: 14px;
    height: 14px;
    pointer-events: none;
}

.reg::before,
.reg::after {
    content: "";
    position: absolute;
    background: rgba(255, 255, 255, 0.55);
}

.reg::before {
    left: 6px;
    top: 0;
    width: 1px;
    height: 14px;
}

.reg::after {
    top: 6px;
    left: 0;
    height: 1px;
    width: 14px;
}

/* ---------- projects ---------- */
.index-strip {
    display: flex;
    flex-wrap: wrap;
    gap: 0;
    padding: 0 var(--gutter);
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
}

.index-strip a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 20px 26px 20px 0;
    margin-right: 26px;
    font: 400 9.02px/1 var(--display);
    letter-spacing: 0.11em;
    text-transform: uppercase;
    color: var(--muted);
    transition: color 0.2s;
}

.index-strip a i {
    font-style: normal;
    color: rgba(255, 255, 255, 0.4);
}

.index-strip a:hover {
    color: #fff;
}

.proj {
    position: relative;
    padding: 70px var(--gutter) 30px;
    scroll-margin-top: 96px;
}

.proj+.proj {
    border-top: 1px solid var(--line);
}

.proj-bar {
    display: flex;
    align-items: baseline;
    gap: 22px;
    flex-wrap: wrap;
    margin-bottom: 30px;
}

.proj-no {
    font: 400 10.66px/1 var(--display);
    letter-spacing: 0.121em;
    color: var(--muted);
}

.proj-bar h2 {
    font: 400 clamp(27.2px, 4.08vw, 65.28px)/1.35 var(--display);
    letter-spacing: 0.0165em;
    text-transform: uppercase;
}

.chips {
    display: flex;
    gap: 8px;
    margin-left: auto;
}

.chip {
    padding: 7px 11px 6px;
    border: 1px solid rgba(255, 255, 255, 0.35);
    font: 400 9.004px/1 var(--display);
    letter-spacing: 0.11em;
    text-transform: uppercase;
}

.chip--solid {
    background: var(--green-bg);
    border-color: var(--green);
    color: var(--green);
}

.chips .chip:last-child:not(.chip--solid) {
    background: var(--yellow-bg);
    border-color: var(--yellow);
    color: var(--yellow);
}

.proj-no,
.section-head .no,
.tier-head .no {
    color: var(--teal);
}

.proj-stage {
    position: relative;
    height: clamp(200px, 26vw, 360px);
    display: grid;
    place-items: center;
    padding: 28px 40px 44px;
    background:
        linear-gradient(rgba(255, 255, 255, 0.045) 1px, transparent 1px) 0 0 / 100% 40px,
        linear-gradient(90deg, rgba(255, 255, 255, 0.045) 1px, transparent 1px) 0 0 / 40px 100%,
        #0f0f0f;
    border: 1px solid var(--line);
    overflow: hidden;
}

.proj-stage .proj-rocket {
    position: absolute;
    left: 40px;
    top: 28px;
    width: calc(100% - 80px);
    height: calc(100% - 72px);
    object-fit: contain;
    filter: grayscale(1) contrast(1.1) drop-shadow(0 18px 24px rgba(0, 0, 0, 0.55));
    transition: filter 0.5s ease, transform 0.8s cubic-bezier(.2, .7, .2, 1);
}

.proj:hover .proj-rocket {
    filter: contrast(1.02) drop-shadow(0 18px 24px rgba(0, 0, 0, 0.55));
    transform: translateX(14px);
}

.ruler {
    position: absolute;
    left: 40px;
    right: 40px;
    bottom: 16px;
    height: 9px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.5);
    background: repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.5) 0 1px, transparent 1px 40px);
}

.proj-stage .reg:nth-of-type(1) {
    left: 10px;
    top: 10px;
}

.proj-stage .reg:nth-of-type(2) {
    right: 10px;
    top: 10px;
}

.proj-insig {
    position: absolute;
    right: 34px;
    top: 26px;
    height: clamp(48px, 6vw, 84px);
    width: auto;
    opacity: 0.95;
}

.proj-text {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: clamp(24px, 5vw, 90px);
    padding: 32px 0 40px;
}

.proj-text p {
    max-width: 58ch;
    color: rgba(255, 255, 255, 0.8);
    font-size: 18px;
    line-height: 1.6;
}

.proj-text p:first-child {
    color: #fff;
    font-size: 20px;
}

/* photo divider band */
.band-photo {
    position: relative;
    min-height: 460px;
    display: flex;
    align-items: center;
    overflow: hidden;
    border-top: 1px solid var(--line);
}

.band-photo>img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: var(--pos, 50% 40%);
    filter: grayscale(1) contrast(1.1) brightness(0.55);
}

.band-photo::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(to right, rgba(6, 6, 6, 0.85), rgba(6, 6, 6, 0.1) 70%);
}

.band-photo .band-copy {
    position: relative;
    z-index: 1;
    padding-block: 80px;
}

.band-photo h2 {
    margin-bottom: 30px;
    max-width: 14ch;
    font: 400 clamp(20.4px, 2.856vw, 43.52px)/1.24 var(--display);
    letter-spacing: 0.0165em;
    text-transform: uppercase;
}

/* ---------- members ---------- */
.lead-row {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(260px, 340px);
    gap: 40px;
    align-items: end;
}

.lead-row .ghost {
    align-self: center;
}

.mem-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
    gap: 44px 26px;
}

.mem {
    position: relative;
}

.mem-photo {
    position: relative;
    display: block;
    aspect-ratio: 4 / 5;
    overflow: hidden;
    background: #111;
    clip-path: polygon(0 0, calc(100% - 30px) 0, 100% 30px, 100% 100%, 0 100%);
}

.mem-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: 50% 12%;
}

.mem:hover .mem-photo img {
    transform: scale(1.05);
}

.mem-photo .fallback {
    position: absolute;
    inset: 0;
    display: grid;
    place-items: center;
    font: 400 48.96px/1 var(--display);
    letter-spacing: 0.022em;
    color: rgba(255, 255, 255, 0.22);
    background:
        repeating-linear-gradient(135deg, rgba(255, 255, 255, 0.04) 0 2px, transparent 2px 14px), #121212;
}

.mem-no {
    position: absolute;
    left: 14px;
    bottom: 12px;
    font: 400 9.02px/1 var(--display);
    letter-spacing: 0.121em;
    text-shadow: 0 1px 8px rgba(0, 0, 0, 0.8);
}

.mem h3 {
    margin-top: 18px;
    font: 400 clamp(10.88px, 0.952vw, 14.28px)/1.36 var(--display);
    letter-spacing: 0.033em;
    text-transform: uppercase;
}

.mem .role {
    margin-top: 8px;
    font: 400 9.02px/1.65 var(--display);
    letter-spacing: 0.0993em;
    text-transform: uppercase;
    color: var(--muted);
}

.mem .in {
    display: inline-block;
    margin-top: 14px;
    font: 400 9.02px/1 var(--display);
    letter-spacing: 0.11em;
    text-transform: uppercase;
    border-bottom: 1px solid rgba(255, 255, 255, 0.4);
    padding-bottom: 4px;
}

.mem .in:hover {
    border-color: #fff;
}

/* ---------- sponsors ---------- */
.tier {
    display: grid;
    grid-template-columns: minmax(180px, 280px) minmax(0, 1fr);
    gap: clamp(24px, 5vw, 80px);
    padding: 64px var(--gutter);
    border-top: 1px solid var(--line);
}

.tier-head {
    position: sticky;
    top: 104px;
    align-self: start;
}

.tier-head .no {
    display: block;
    margin-bottom: 14px;
    font: 400 9.84px/1 var(--display);
    letter-spacing: 0.132em;
    color: var(--muted);
}

.tier-head h2 {
    font: 400 clamp(16.32px, 1.768vw, 25.84px)/1.24 var(--display);
    letter-spacing: 0.033em;
    text-transform: uppercase;
}

.tier-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 24px;
}

.tier--solo .tier-grid {
    grid-template-columns: minmax(0, 520px);
}

.sp {
    display: block;
}

.sp-logo {
    position: relative;
    display: grid;
    place-items: center;
    aspect-ratio: 3 / 2;
    padding: 28px;
    background: #fff;
    overflow: hidden;
    clip-path: polygon(0 0, calc(100% - 22px) 0, 100% 22px, 100% 100%, 0 100%);
}

.sp-logo img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.sp--person .sp-logo {
    padding: 0;
}

.sp--person .sp-logo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: 50% 15%;
}

.sp-name {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    margin-top: 14px;
    font: 400 9.84px/1.53 var(--display);
    letter-spacing: 0.088em;
    text-transform: uppercase;
}

.sp-name::after {
    content: "↗";
    color: var(--muted);
    transition: transform 0.2s, color 0.2s;
}

.sp:hover .sp-name::after {
    transform: translate(3px, -3px);
    color: #fff;
}

/* ---------- contact ---------- */
.contact {
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
    min-height: 100vh;
}

.contact-photo {
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: flex-end;
    background: #070707;
}

.contact-photo>img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: 38% 40%;
    filter: grayscale(1) contrast(1.1) brightness(0.6);
}

.contact-photo::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(6, 6, 6, 0.9), rgba(6, 6, 6, 0) 60%);
}

.contact-photo .statement {
    position: relative;
    z-index: 1;
    padding: 0 clamp(24px, 5vw, 80px) 72px var(--gutter);
}

.statement h1 {
    font: 400 clamp(24.48px, 3.4vw, 57.12px)/1.39 var(--display);
    letter-spacing: 0.0165em;
    text-transform: uppercase;
}

.statement p {
    margin-top: 22px;
    font: 400 9.84px/1 var(--display);
    letter-spacing: 0.143em;
    text-transform: uppercase;
    color: var(--muted);
}

.contact-form-wrap {
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 140px var(--gutter) 80px clamp(24px, 6vw, 110px);
    background: var(--bg);
}

.contact-form-wrap .lede {
    margin-bottom: 40px;
    font: 400 10.66px/1.65 var(--display);
    letter-spacing: 0.121em;
    text-transform: uppercase;
    color: var(--muted);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 30px;
    max-width: 560px;
}

.contact-form label {
    display: block;
    margin-bottom: 10px;
    font: 400 9.02px/1 var(--display);
    letter-spacing: 0.132em;
    text-transform: uppercase;
    color: var(--muted);
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 10px 0 14px;
    background: transparent;
    border: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 0;
    color: #fff;
    font: 400 19px/1.4 var(--ui);
    outline: none;
    transition: border-color 0.2s;
}

.contact-form textarea {
    min-height: 120px;
    resize: vertical;
}

.contact-form input:focus,
.contact-form textarea:focus {
    border-bottom-color: #fff;
}

.contact-form ::placeholder {
    color: rgba(255, 255, 255, 0.32);
}

.send-btn {
    align-self: flex-start;
    display: inline-flex;
    align-items: center;
    gap: 16px;
    height: 54px;
    padding: 0 34px;
    border: 1px solid #fff;
    border-radius: 999px;
    background: #fff;
    color: var(--on-accent);
    font: 400 9.84px/1 var(--display);
    letter-spacing: 0.121em;
    text-transform: uppercase;
    cursor: pointer;
    transition: background 0.2s, color 0.2s;
}

.send-btn:hover {
    background: transparent;
    color: #fff;
}

.contact-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 18px 40px;
    margin-top: 52px;
    padding-top: 26px;
    border-top: 1px solid var(--line);
    max-width: 560px;
    font: 400 9.84px/1.77 var(--display);
    letter-spacing: 0.088em;
    text-transform: uppercase;
    color: var(--muted);
}

.contact-meta b {
    display: block;
    margin-bottom: 6px;
    color: #fff;
    font-weight: 600;
}

/* thank-you */
.thanks {
    position: relative;
    min-height: 100vh;
    display: grid;
    place-items: center;
    text-align: center;
    overflow: hidden;
    padding: 24px;
}

.thanks>img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: grayscale(1) brightness(0.4);
}

.thanks-inner {
    position: relative;
    z-index: 1;
    max-width: 560px;
}

.thanks h1 {
    font: 400 clamp(29.92px, 5.44vw, 74.8px)/1.35 var(--display);
    letter-spacing: 0.0165em;
    text-transform: uppercase;
}

.thanks p {
    margin: 22px 0 36px;
    font-size: 19px;
    color: rgba(255, 255, 255, 0.8);
}

/* ---------- reveal ---------- */
html.js .rv {
    opacity: 0;
    filter: blur(14px);
    transition: opacity 1s ease, filter 1.1s ease;
}

html.js .rv.in {
    opacity: 1;
    filter: blur(0);
}

/* ---------- responsive ---------- */
@media (max-width: 960px) {
    .hero-inner {
        flex-direction: column;
        align-items: flex-start;
        gap: 28px;
    }

    .proj-text {
        grid-template-columns: 1fr;
        gap: 18px;
    }

    .proj-stage {
        padding-inline: 18px;
    }

    .ruler {
        left: 18px;
        right: 18px;
    }

    .proj-stage .proj-rocket {
        left: 18px;
        width: calc(100% - 36px);
    }

    .chips {
        margin-left: 0;
        width: 100%;
    }

    .lead-row {
        grid-template-columns: 1fr;
    }

    .lead-row .ghost {
        display: none;
    }

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

    .tier-head {
        position: static;
    }

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

    .contact-photo {
        min-height: 62vh;
    }

    .contact-form-wrap {
        padding: 60px var(--gutter) 70px;
    }
}

@media (max-width: 560px) {
    .section {
        padding: 60px var(--gutter);
    }

    .mem-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 32px 16px;
    }

    .hero-facts {
        gap: 28px;
    }

    .proj-insig {
        right: 14px;
        top: 14px;
    }
}


/* ---------- journal ---------- */
.journal-hero {
    padding: 190px 0 70px;
}

.journal-hero .page-title {
    font-size: clamp(30px, 5.6vw, 84px);
    line-height: 1.12;
}

.journal-sub {
    margin-top: 28px;
    max-width: 46ch;
    color: var(--muted);
    font-size: 19px;
    line-height: 1.5;
}

.post {
    display: grid;
    grid-template-columns: 230px minmax(0, 1fr);
    gap: clamp(24px, 5vw, 80px);
    padding: 70px var(--gutter);
    border-top: 1px solid var(--line);
    scroll-margin-top: 90px;
}

.post-meta {
    position: sticky;
    top: 104px;
    align-self: start;
    display: flex;
    flex-direction: column;
    gap: 14px;
    font: 400 9px/1 var(--display);
    letter-spacing: 0.18em;
    text-transform: uppercase;
}

.post-no {
    color: var(--teal);
}

.post-year {
    color: var(--muted);
}

.post-main {
    max-width: 680px;
}

.post-main h2 {
    margin-bottom: 28px;
    font: 400 clamp(17px, 1.9vw, 26px)/1.5 var(--display);
    letter-spacing: 0.03em;
    text-transform: uppercase;
}

.post-main p {
    margin-bottom: 20px;
    color: rgba(242, 242, 242, 0.82);
    font-size: 19px;
    line-height: 1.7;
}

.post-main figure {
    margin-top: 34px;
}

.post-main figure img {
    width: 100%;
    max-height: 420px;
    object-fit: cover;
    background: #000;
    border: 1px solid var(--line);
    border-radius: 3px;
}

.post-main figcaption {
    margin-top: 12px;
    font: 400 8.5px/1.6 var(--display);
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--muted);
}

@media (max-width: 760px) {
    .post {
        grid-template-columns: 1fr;
        gap: 22px;
    }

    .post-meta {
        position: static;
        flex-direction: row;
        gap: 18px;
    }
}