/* ============================================================
   ROBOTEF
   Light industrial editorial system for the public website.
   ============================================================ */

:root {
    --bg: #f7f2e9;
    --bg-2: #efe6d8;
    --paper: #fffaf2;
    --paper-2: #f3eadc;
    --ink: #202326;
    --ink-2: #3f464a;
    --ink-3: #6e6a63;
    --ink-4: #9a9286;
    --line: rgba(32, 35, 38, 0.14);
    --line-strong: rgba(32, 35, 38, 0.26);
    --copper: #a45d22;
    --copper-2: #c9823c;
    --steel: #4f6b78;
    --sage: #68785c;
    --signal: #c5a642;

    --display: 'Sora', system-ui, -apple-system, sans-serif;
    --serif: 'Sora', system-ui, -apple-system, sans-serif;
    --mono: 'JetBrains Mono', ui-monospace, 'SF Mono', monospace;
    --sans: 'Sora', system-ui, -apple-system, sans-serif;

    --max: 1640px;
    --gutter: clamp(20px, 4vw, 64px);
    --hairline: 1px solid var(--line);
    --hairline-strong: 1px solid var(--line-strong);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
*::selection { background: var(--copper); color: #fff; }

html { scroll-behavior: smooth; background: var(--bg); }
body {
    min-width: 320px;
    background:
        linear-gradient(90deg, rgba(32, 35, 38, 0.035) 1px, transparent 1px) 0 0 / 96px 96px,
        linear-gradient(180deg, rgba(32, 35, 38, 0.025) 1px, transparent 1px) 0 0 / 96px 96px,
        var(--bg);
    color: var(--ink);
    font-family: var(--sans);
    font-size: 16px;
    line-height: 1.6;
    overflow-x: hidden;
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

img { display: block; max-width: 100%; height: auto; }
button { background: none; border: none; color: inherit; font: inherit; cursor: pointer; }
a { color: inherit; text-decoration: none; }
ol, ul { list-style: none; }
strong { font-weight: 650; color: var(--ink); }

body.lang-tr [data-lang="en"] { display: none !important; }
body.lang-en [data-lang="tr"] { display: none !important; }

.mono {
    font-family: var(--mono);
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 0;
    line-height: 1.45;
    text-transform: uppercase;
}
.serif { font-family: var(--serif); }
.dim { color: var(--ink-3); }
.copper { color: var(--copper); }

.grain {
    position: fixed;
    inset: 0;
    z-index: 9999;
    pointer-events: none;
    opacity: 0.035;
    mix-blend-mode: multiply;
    background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='220' height='220'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.92' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0  0 0 0 0 0  0 0 0 0 0  0 0 0 0.32 0'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
}

.vlines {
    position: fixed;
    inset: 0;
    z-index: 1;
    pointer-events: none;
    display: flex;
    justify-content: space-between;
    max-width: var(--max);
    margin: 0 auto;
    padding: 0 var(--gutter);
    left: 0;
    right: 0;
}
.vlines span {
    width: 1px;
    background: linear-gradient(180deg, transparent, rgba(32, 35, 38, 0.055), transparent);
}

.rail {
    position: absolute;
    left: 16px;
    top: 32px;
    writing-mode: vertical-rl;
    transform: rotate(180deg);
    color: var(--ink-4);
    z-index: 2;
}

.topbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    border-bottom: var(--hairline);
    background: rgba(255, 250, 242, 0.86);
    backdrop-filter: blur(14px) saturate(140%);
    -webkit-backdrop-filter: blur(14px) saturate(140%);
}
.topbar__inner {
    max-width: var(--max);
    margin: 0 auto;
    padding: 14px var(--gutter);
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 32px;
}
.brand {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    font-family: var(--mono);
    font-size: 13px;
    font-weight: 700;
}
.brand__mark {
    display: inline-grid;
    place-items: center;
    width: 28px;
    height: 28px;
    background: var(--ink);
    color: var(--paper);
    border: 1px solid var(--ink);
}
.brand__word { color: var(--ink); }
.topbar__meta {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}
.dot {
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: var(--copper);
    display: inline-block;
}
.topbar__nav {
    justify-self: end;
    display: flex;
    align-items: center;
    gap: 22px;
}
.navlinks {
    display: flex;
    gap: 18px;
    align-items: center;
}
.navlinks a {
    color: var(--ink-2);
    border-bottom: 1px solid transparent;
    transition: color .2s ease, border-color .2s ease;
}
.navlinks a:hover {
    color: var(--copper);
    border-color: var(--copper);
}
.lang {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    border: var(--hairline-strong);
    background: var(--paper);
    padding: 6px 10px;
    font-family: var(--mono);
    font-size: 11px;
}
.lang__btn { color: var(--ink-3); padding: 0 4px; }
.lang__btn.is-active { color: var(--ink); font-weight: 700; }
.lang__btn:hover { color: var(--copper); }
.lang__sep { color: var(--ink-4); }

main,
.foot {
    position: relative;
    z-index: 3;
}

.hero {
    position: relative;
    max-width: var(--max);
    margin: 0 auto;
    padding: 96px var(--gutter) 50px;
    border-bottom: var(--hairline-strong);
}
.hero__grid {
    display: grid;
    grid-template-columns: minmax(0, 1.15fr) minmax(360px, 0.85fr);
    gap: 64px;
    align-items: start;
}
.hero__copy {
    min-width: 0;
}
.kicker {
    color: var(--copper);
    margin-bottom: 28px;
    max-width: 72ch;
}
.display {
    font-family: var(--display);
    font-weight: 560;
    line-height: 0.94;
    letter-spacing: 0;
    color: var(--ink);
    font-size: 6.7rem;
}
.display__line {
    display: block;
}
.display em {
    font-style: normal;
    font-weight: 700;
    color: var(--steel);
}
.display__sub {
    display: block;
    max-width: 13ch;
    margin-top: 20px;
    font-family: var(--serif);
    font-size: 1.72rem;
    font-weight: 600;
    line-height: 1.22;
    color: var(--ink-2);
    font-variation-settings: "opsz" 48, "SOFT" 20;
}
.display--md {
    font-size: 3.8rem;
    line-height: 1.08;
}
.display--lg {
    font-size: 4.65rem;
    line-height: 1.08;
}
.hero__lede {
    max-width: 68ch;
    margin-top: 32px;
    font-family: var(--serif);
    font-size: 1.28rem;
    line-height: 1.55;
    color: var(--ink-2);
}
.hero__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 34px;
}
.btn {
    display: inline-flex;
    align-items: center;
    min-height: 48px;
    padding: 13px 18px;
    border: 1px solid var(--ink);
    font-family: var(--mono);
    font-size: 12px;
    text-transform: uppercase;
    transition: background .2s ease, color .2s ease, border-color .2s ease;
}
.btn--primary {
    background: var(--ink);
    color: var(--paper);
}
.btn--primary:hover {
    background: var(--copper);
    border-color: var(--copper);
}
.btn--secondary {
    background: transparent;
    color: var(--ink);
}
.btn--secondary:hover {
    color: var(--copper);
    border-color: var(--copper);
}
.hero__media {
    min-width: 0;
}
.media-frame {
    aspect-ratio: 5 / 4;
    overflow: hidden;
    border: var(--hairline-strong);
    background: var(--paper-2);
    box-shadow: 0 22px 70px rgba(32, 35, 38, 0.12);
}
.media-frame img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: saturate(0.9) contrast(1.03) brightness(1.06);
    transition: transform 1.4s ease, filter .6s ease;
}
.hero__media:hover .media-frame img {
    transform: scale(1.035);
    filter: saturate(1.02) contrast(1.04) brightness(1.08);
}
.hero__media figcaption {
    margin-top: 12px;
}

.summary-strip {
    display: grid;
    grid-template-columns: minmax(0, 1.35fr) minmax(220px, 0.65fr) minmax(260px, 0.8fr);
    gap: 0;
    margin-top: 58px;
    border: var(--hairline-strong);
    background: rgba(255, 250, 242, 0.72);
}
.summary__card {
    padding: 24px;
    border-right: var(--hairline);
    min-height: 168px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.summary__card:last-child { border-right: none; }
.summary__card p {
    color: var(--ink-2);
    font-size: 1rem;
    line-height: 1.6;
}
.summary__card--wide p {
    font-size: 1.18rem;
    line-height: 1.5;
}

.ticker {
    overflow: hidden;
    border-bottom: var(--hairline-strong);
    background: var(--ink);
    color: var(--paper);
    padding: 16px 0;
}
.ticker__track {
    display: flex;
    gap: 34px;
    width: max-content;
    white-space: nowrap;
    animation: tickerflow 56s linear infinite;
    font-family: var(--mono);
    font-size: 12px;
}
.ticker__track .diamond {
    color: var(--copper-2);
    font-size: 9px;
    align-self: center;
}
@keyframes tickerflow {
    from { transform: translateX(0); }
    to { transform: translateX(-50%); }
}

.section-tag {
    display: inline-flex;
    gap: 12px;
    align-items: center;
    color: var(--ink-2);
    border-top: 2px solid var(--copper);
    padding-top: 10px;
}
.section-tag .dim {
    color: var(--copper);
}

.manifesto,
.capabilities,
.scope,
.process,
.stats,
.contact {
    position: relative;
    max-width: var(--max);
    margin: 0 auto;
    padding: 100px var(--gutter);
    border-bottom: var(--hairline-strong);
}

.manifesto__grid {
    display: grid;
    grid-template-columns: minmax(150px, 0.8fr) minmax(0, 2.2fr) minmax(260px, 1fr);
    gap: 56px;
    align-items: start;
}
.manifesto__lead {
    margin-bottom: 34px;
    font-family: var(--serif);
    font-size: 2.45rem;
    line-height: 1.2;
    color: var(--ink);
    font-weight: 650;
}
.manifesto__cols {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 36px;
    color: var(--ink-2);
}
.manifesto__cols > div {
    display: flex;
    flex-direction: column;
    gap: 16px;
}
.quote {
    border-left: 3px solid var(--steel);
    background: linear-gradient(90deg, rgba(79, 107, 120, 0.12), transparent);
    padding: 22px 0 22px 24px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.quote__mark {
    font-family: var(--display);
    font-size: 3.4rem;
    line-height: .4;
    color: var(--copper);
    height: 10px;
}
.quote__text {
    font-family: var(--serif);
    font-style: normal;
    font-size: 1.35rem;
    line-height: 1.4;
    color: var(--ink);
}
.quote__attr { color: var(--ink-3); }

.cap__head,
.scope__head,
.process__head {
    display: grid;
    grid-template-columns: minmax(150px, 0.9fr) minmax(0, 2.4fr);
    gap: 56px;
    align-items: end;
    margin-bottom: 54px;
}
.cap__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    border-top: var(--hairline-strong);
    border-left: var(--hairline-strong);
}
.cap__card {
    min-height: 430px;
    padding: 30px;
    border-right: var(--hairline-strong);
    border-bottom: var(--hairline-strong);
    background: rgba(255, 250, 242, 0.64);
    display: flex;
    flex-direction: column;
    gap: 18px;
    transition: background .2s ease, transform .2s ease;
}
.cap__card:hover {
    background: var(--paper);
    transform: translateY(-3px);
}
.cap__num {
    color: var(--copper);
}
.cap__icon {
    width: 58px;
    height: 58px;
    color: var(--steel);
    margin-top: 8px;
}
.cap__icon svg {
    width: 100%;
    height: 100%;
}
.cap__title {
    font-family: var(--serif);
    font-size: 1.45rem;
    font-weight: 700;
    line-height: 1.22;
    color: var(--ink);
}
.cap__desc {
    color: var(--ink-2);
    font-size: .98rem;
    line-height: 1.65;
}

.scope__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
}
.scope__item {
    background: var(--paper);
    border: var(--hairline-strong);
    min-width: 0;
    display: flex;
    flex-direction: column;
}
.scope__item img {
    width: 100%;
    aspect-ratio: 4 / 3;
    object-fit: cover;
    filter: saturate(0.82) contrast(1.02) brightness(1.04);
}
.scope__content {
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.scope__content h3 {
    font-family: var(--serif);
    font-size: 1.42rem;
    line-height: 1.25;
    font-weight: 700;
    color: var(--ink);
}
.scope__content p {
    color: var(--ink-2);
    line-height: 1.62;
}

.proc {
    border-top: var(--hairline-strong);
}
.proc__step {
    display: grid;
    grid-template-columns: minmax(180px, 0.8fr) minmax(0, 1.4fr) minmax(0, 1.4fr);
    gap: 32px;
    align-items: start;
    padding: 32px 0;
    border-bottom: var(--hairline-strong);
}
.proc__index {
    color: var(--copper);
}
.proc__title {
    font-family: var(--serif);
    font-size: 1.75rem;
    line-height: 1.24;
    font-weight: 700;
    color: var(--ink);
}
.proc__desc {
    color: var(--ink-2);
    max-width: 52ch;
}

.stats {
    padding-top: 72px;
    padding-bottom: 72px;
}
.stats__row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    border-top: var(--hairline-strong);
    border-left: var(--hairline-strong);
    background: rgba(255, 250, 242, 0.5);
}
.stat {
    min-height: 210px;
    padding: 28px 22px;
    border-right: var(--hairline-strong);
    border-bottom: var(--hairline-strong);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    gap: 16px;
}
.stat__value {
    font-family: var(--display);
    font-size: 3rem;
    line-height: 1;
    color: var(--ink);
    font-weight: 560;
    overflow-wrap: anywhere;
}
.stat__label {
    color: var(--ink-3);
}

.contact__inner {
    display: grid;
    grid-template-columns: minmax(0, 1.45fr) minmax(340px, .9fr);
    gap: 64px;
    align-items: end;
}
.contact__display {
    display: flex;
    flex-direction: column;
    gap: 18px;
}
.contact__info {
    display: flex;
    flex-direction: column;
    gap: 24px;
    border-left: 3px solid var(--copper);
    padding-left: 34px;
}
.contact__block {
    display: flex;
    flex-direction: column;
    gap: 6px;
}
.contact__link {
    width: fit-content;
    max-width: 100%;
    overflow-wrap: anywhere;
    font-size: 1.55rem;
    font-style: normal;
    font-weight: 600;
    color: var(--ink);
    border-bottom: 1px solid var(--line-strong);
    transition: color .2s ease, border-color .2s ease;
}
.contact__link:hover {
    color: var(--copper);
    border-color: var(--copper);
}
span.contact__link {
    display: inline-block;
    cursor: default;
}
address {
    font-style: normal;
    font-size: 1.12rem;
    line-height: 1.55;
    color: var(--ink-2);
}
.contact__cta {
    display: inline-flex;
    align-items: center;
    gap: 14px;
    width: fit-content;
    min-height: 52px;
    margin-top: 4px;
    padding: 14px 18px;
    background: var(--ink);
    color: var(--paper);
    border: 1px solid var(--ink);
    font-family: var(--mono);
    font-size: 12px;
    text-transform: uppercase;
    transition: background .2s ease, border-color .2s ease;
}
.contact__cta:hover {
    background: var(--copper);
    border-color: var(--copper);
}
.contact__cta-arrow {
    font-size: 1.2rem;
}

.foot {
    max-width: var(--max);
    margin: 0 auto;
    padding: 72px var(--gutter) 46px;
    overflow: hidden;
}
.foot__wordmark {
    font-family: var(--display);
    font-size: 8.5rem;
    font-weight: 800;
    line-height: .96;
    letter-spacing: 0;
    color: var(--ink);
    margin-bottom: 42px;
}
.foot__cols {
    display: grid;
    grid-template-columns: 1.1fr 1fr .75fr 1.1fr;
    gap: 24px;
    border-top: var(--hairline-strong);
    padding-top: 24px;
}
.foot__col {
    display: flex;
    flex-direction: column;
    gap: 5px;
}
.foot__col--right {
    text-align: right;
}

@media (prefers-reduced-motion: no-preference) {
    .display,
    .summary__card,
    .quote,
    .cap__card,
    .scope__item,
    .proc__step,
    .stat {
        opacity: 0;
        transform: translateY(22px);
        transition: opacity .75s cubic-bezier(0.16, 1, 0.3, 1), transform .75s cubic-bezier(0.16, 1, 0.3, 1);
    }
    .is-revealed.display,
    .is-revealed.summary__card,
    .is-revealed.quote,
    .is-revealed.cap__card,
    .is-revealed.scope__item,
    .is-revealed.proc__step,
    .is-revealed.stat {
        opacity: 1;
        transform: none;
    }
}

@media (max-width: 1280px) {
    .display { font-size: 5.5rem; }
    .display--md { font-size: 3.2rem; }
    .display--lg { font-size: 3.75rem; }
    .hero__grid { gap: 44px; }
    .cap__grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 1050px) {
    .topbar__meta { display: none; }
    .navlinks { display: none; }
    .hero__grid,
    .manifesto__grid,
    .contact__inner {
        grid-template-columns: 1fr;
    }
    .summary-strip {
        grid-template-columns: 1fr;
    }
    .summary__card {
        border-right: none;
        border-bottom: var(--hairline);
        min-height: auto;
    }
    .summary__card:last-child { border-bottom: none; }
    .cap__head,
    .scope__head,
    .process__head {
        grid-template-columns: 1fr;
        gap: 28px;
    }
    .scope__grid {
        grid-template-columns: 1fr;
    }
    .proc__step {
        grid-template-columns: 1fr;
        gap: 14px;
    }
    .contact__info {
        border-left: none;
        padding-left: 0;
        border-top: 3px solid var(--copper);
        padding-top: 26px;
    }
}

@media (max-width: 760px) {
    .rail { display: none; }
    .topbar__inner {
        grid-template-columns: auto auto;
        justify-content: space-between;
        gap: 16px;
    }
    .hero {
        padding-top: 112px;
    }
    .display { font-size: 3.2rem; }
    .display__sub { font-size: 1.25rem; max-width: 22ch; }
    .display--md,
    .display--lg { font-size: 2.3rem; }
    .hero__lede { font-size: 1.1rem; }
    .manifesto,
    .capabilities,
    .scope,
    .process,
    .stats,
    .contact {
        padding-top: 68px;
        padding-bottom: 68px;
    }
    .manifesto__lead {
        font-size: 1.75rem;
    }
    .manifesto__cols {
        grid-template-columns: 1fr;
    }
    .cap__grid,
    .stats__row {
        grid-template-columns: 1fr;
    }
    .cap__card {
        min-height: auto;
    }
    .stat {
        min-height: 160px;
    }
    .stat__value {
        font-size: 2.45rem;
    }
    .foot__wordmark {
        font-size: 3.5rem;
    }
    .foot__cols {
        grid-template-columns: 1fr;
    }
    .foot__col--right {
        text-align: left;
    }
}

@media (max-width: 430px) {
    .brand__word {
        font-size: 12px;
    }
    .lang {
        padding: 6px 8px;
    }
    .display { font-size: 2.75rem; }
    .display--md,
    .display--lg { font-size: 2rem; }
    .btn,
    .contact__cta {
        width: 100%;
        justify-content: center;
    }
    .contact__link {
        font-size: 1.22rem;
    }
    .foot__wordmark {
        font-size: 2.9rem;
    }
}