:root {
    --petrol: #1656a6;
    --dark: #0b1b2e;
    --ink: #071321;
    --muted: #667085;
    --surface: #f5f8fb;
    --line: #dfe5ec;
    --white: #fff;
    --cyan: #0b9eb8;
    --navy: #0b1b2e;
    --blue: #1656a6;
    --max: 1180px
}

* {
    box-sizing: border-box
}

html {
    scroll-behavior: smooth
}

body {
    margin: 0;
    color: var(--ink);
    background: #fff;
    font-family: Inter, system-ui, -apple-system, "Segoe UI", sans-serif;
    line-height: 1.6
}

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

.container {
    width: min(calc(100% - 48px), var(--max));
    margin: auto
}

header {
    position: sticky;
    top: 0;
    z-index: 10;
    background: rgba(255, 255, 255, .96);
    border-bottom: 1px solid var(--line)
}

.nav {
    min-height: 74px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 28px
}

.brand {
    font-size: 15px;
    font-weight: 800;
    letter-spacing: .12em;
    white-space: nowrap
}

nav {
    display: flex;
    gap: 26px;
    font-size: 14px
}

nav a:hover {
    color: var(--petrol)
}

.external:after {
    content: " ↗";
    color: var(--petrol)
}

.eyebrow {
    color: var(--petrol);
    font-size: 12px;
    font-weight: 800;
    letter-spacing: .13em;
    text-transform: uppercase
}


h1 {
    font-size: clamp(48px, 7vw, 82px);
    line-height: .98;
    letter-spacing: -.045em;
    margin: 20px 0 28px
}

.hero p {
    font-size: 20px;
    line-height: 1.55;
    color: var(--muted);
    max-width: 760px;
    margin: 0 0 34px
}

.tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 36px
}

.tag {
    border: 1px solid var(--line);
    padding: 6px 10px;
    font-size: 12px;
    color: #42474d;
    letter-spacing: .04em
}

.button {
    display: inline-flex;
    padding: 13px 18px;
    background: var(--petrol);
    border: 1px solid var(--petrol);
    color: #fff;
    font-size: 13px;
    font-weight: 750
}

.button:hover {
    background: var(--dark)
}

section {
    padding: 88px 0
}

.section-head {
    margin-bottom: 38px
}

.section-head h2 {
    font-size: clamp(32px, 4vw, 48px);
    line-height: 1.05;
    letter-spacing: -.035em;
    margin: 10px 0 12px
}

.section-head p {
    max-width: 760px;
    color: var(--muted);
    font-size: 17px
}

.work-list {
    display: grid;
    gap: 18px
}

.work {
    border: 1px solid var(--line);
    padding: 32px;
    display: grid;
    grid-template-columns:72px 1fr auto;
    gap: 24px
}

.work:hover {
    border-color: #aeb4b9
}

.work-number {
    color: var(--petrol);
    font-size: 13px;
    font-weight: 800;
    padding-top: 5px
}

.work h3 {
    font-size: 30px;
    line-height: 1.08;
    letter-spacing: -.025em;
    margin: 9px 0 13px
}

.work p {
    color: var(--muted);
    max-width: 720px;
    margin: 0 0 18px
}

.meta, .status {
    font-size: 11px;
    letter-spacing: .09em;
    text-transform: uppercase;
    font-weight: 750
}

.meta {
    color: #60666c
}

.status {
    display: inline-block;
    margin-top: 14px;
    color: var(--petrol)
}

.work-action {
    white-space: nowrap;
    padding-top: 38px;
    color: var(--petrol);
    font-size: 13px;
    font-weight: 800
}

.areas {
    background: var(--surface);
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line)
}

.area-grid {
    display: grid;
    grid-template-columns:repeat(3, 1fr);
    gap: 1px;
    background: var(--line);
    border: 1px solid var(--line)
}

.area {
    background: #fff;
    padding: 28px;
    min-height: 180px
}

.area h3 {
    font-size: 20px;
    margin: 0 0 10px
}

.area p {
    font-size: 14px;
    color: var(--muted);
    margin: 0
}

.process {
    display: grid;
    grid-template-columns:repeat(4, 1fr);
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line)
}

.step {
    padding: 24px 20px;
    border-right: 1px solid var(--line)
}

.step:nth-child(4n) {
    border-right: 0
}

.step strong {
    display: block;
    color: var(--petrol);
    font-size: 13px
}

.step span {
    font-size: 16px;
    font-weight: 700
}

.principle {
    display: grid;
    grid-template-columns:1fr 1.25fr;
    gap: 70px
}

.principle h2, .about h2 {
    font-size: 42px;
    line-height: 1.05;
    letter-spacing: -.035em;
    margin: 10px 0 0
}

.principle p, .about p {
    font-size: 17px;
    color: var(--muted)
}

.signature {
    border-left: 3px solid var(--petrol);
    padding-left: 22px;
    color: var(--ink) !important;
    font-weight: 650
}

.collab {
    background: var(--navy);
    color: #fff
}

.collab .eyebrow {
    color: var(--cyan)
}

.collab h2 {
    font-size: clamp(34px, 4vw, 52px);
    line-height: 1.05;
    letter-spacing: -.035em;
    max-width: 820px
}

.collab p {
    max-width: 760px;
    color: #e2ecef;
    font-size: 18px
}

.collab .button {
    background: #fff;
    color: var(--petrol);
    border-color: #fff
}

.about {
    border-top: 1px solid var(--line)
}

.about-grid {
    display: grid;
    grid-template-columns:1fr 1fr;
    gap: 70px
}

footer {
    border-top: 1px solid var(--line);
    padding: 34px 0 42px
}

.footer {
    display: flex;
    justify-content: space-between;
    gap: 30px;
    color: var(--muted);
    font-size: 13px
}

.footer strong {
    color: var(--ink);
    letter-spacing: .1em
}


/* Language switcher */
.language-switcher {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    margin-left: 2px;
    white-space: nowrap;
}

.language-button {
    appearance: none;
    border: 0;
    background: transparent;
    padding: 4px 2px;
    color: var(--muted);
    font: inherit;
    font-size: 12px;
    font-weight: 800;
    letter-spacing: .08em;
    cursor: pointer;
}

.language-button:hover,
.language-button.active {
    color: var(--petrol);
}

.language-separator {
    color: var(--line);
    font-size: 12px;
}

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

.hero {
    position: relative;
    min-height: calc(100vh - 74px);
    padding: 0;
    overflow: hidden;

    display: flex;
    align-items: center;

    border-bottom: 1px solid var(--line);
}

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

.hero-background {
    position: absolute;
    inset: 0;

    width: 100%;
    height: 100%;

    object-fit: cover;
    object-position: center center;

    z-index: 0;
}

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

.hero-overlay {
    position: absolute;
    inset: 0;

    background: linear-gradient(
        90deg,
        rgba(255, 255, 255, 0.97) 0%,
        rgba(255, 255, 255, 0.92) 32%,
        rgba(255, 255, 255, 0.58) 52%,
        rgba(255, 255, 255, 0.10) 78%,
        rgba(255, 255, 255, 0.00) 100%
    );

    z-index: 1;
}

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

.hero-inner {
    position: relative;
    z-index: 2;

    width: min(calc(100% - 48px), var(--max));
    max-width: var(--max);

    margin: 0 auto;

    padding: 80px 0;
}

.hero h1 {
    max-width: 900px;
}

.hero p {
    max-width: 760px;
}

@media (max-width: 820px) {
    .container {
        width: min(calc(100% - 32px), var(--max))
    }

    nav {
        display: none
    }

    .hero {
        min-height: calc(100vh - 74px);
    }

    .hero-background {
        object-position: center center;
    }

    .hero-overlay {
        background: linear-gradient(
            90deg,
            rgba(255, 255, 255, 0.96) 0%,
            rgba(255, 255, 255, 0.88) 55%,
            rgba(255, 255, 255, 0.25) 100%
        );
    }

    .hero-inner {
        width: min(calc(100% - 32px), var(--max));
        padding: 64px 0;
    }

    .work {
        grid-template-columns:42px 1fr
    }

    .work-action {
        grid-column: 2;
        padding-top: 0
    }

    .area-grid {
        grid-template-columns:1fr
    }

    .process {
        grid-template-columns:1fr 1fr
    }

    .step {
        border-bottom: 1px solid var(--line)
    }

    .principle, .about-grid {
        grid-template-columns:1fr;
        gap: 32px
    }

    .footer {
        flex-direction: column
    }

    .language-switcher {
        margin-left: 0;
    }
}

@media (max-width: 520px) {
    h1 {
        font-size: 46px
    }

    .hero {
        min-height: calc(100vh - 74px);
    }

    .hero-inner {
        padding: 48px 0;
    }

    h1 {
        font-size: 46px;
    }

    .hero p {
        font-size: 18px;
    }

    section {
        padding: 68px 0
    }

    .work {
        padding: 24px
    }

    .work h3 {
        font-size: 25px
    }

    .process {
        grid-template-columns:1fr
    }

    .step {
        border-right: 0 !important
    }

    .step:last-child {
        border-bottom: 0
    }
}
