/* =============================================================
   Denis Bogdanov · Portfolio
   ============================================================= */
@import url('https://fonts.googleapis.com/css2?family=Roboto+Condensed:wght@300;400;500;700;800;900&family=Roboto:wght@300;400;500;700&display=swap');

/* ----------------------------------------------------
   1. Tokens
   ---------------------------------------------------- */
:root {
    /* Palette — sourced from Denis's original index.html */
    --bg:            #FBFBFB;
    --bg-dark:       #0A0A0A;
    --ink:           #25282B;   /* body text from original */
    --ink-2:         #484848;   /* about text from original */
    --ink-3:         #6E6E6E;
    --line:          rgba(10,10,10,.12);

    /* Chromatic split colors */
    --rgb-r:         #FF2261;
    --rgb-g:         #3DDE7F;
    --rgb-b:         #1FB0FF;

    /* Typography */
    --font-display:  "Roboto Condensed", "Arial Narrow", system-ui, sans-serif;
    --font-body:     "Roboto", system-ui, -apple-system, "Segoe UI", sans-serif;

    /* Layout */
    --gutter:        clamp(20px, 4vw, 64px);
    --max:           1680px;

    /* Motion */
    --ease-out:      cubic-bezier(.2, .8, .2, 1);
    --ease-in-out:   cubic-bezier(.65, 0, .35, 1);
    --ease-snap:     cubic-bezier(.16, 1, .3, 1);
}

/* ----------------------------------------------------
   2. Reset
   ---------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
html {
    scroll-behavior: smooth;
    overflow-x: clip;             /* stop horizontal scroll on mobile (stricter than hidden) */
}
body {
    margin: 0;
    background: var(--bg);
    color: var(--ink);
    font-family: var(--font-display);  /* original used Roboto Condensed on body */
    line-height: 1.55;
    overflow-x: clip;             /* clip wordmark + photo bleed; clip beats hidden because
                                     it doesn't create a scroll context, so vertical scroll
                                     stays normal and mobile browsers behave consistently */
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; }
h1, h2, h3, h4, p { margin: 0; }
ol, ul { list-style: none; padding: 0; margin: 0; }

/* Shared inner container (for cases & footer only — hero is full-vw) */
.container {
    max-width: var(--max);
    margin: 0 auto;
    padding: 0 var(--gutter);
}

/* ----------------------------------------------------
   3. Decorative grain
   ---------------------------------------------------- */
.grain {
    position: fixed;
    inset: 0;
    pointer-events: none;
    opacity: .035;
    z-index: 100;
    background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='120' height='120'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
    mix-blend-mode: multiply;
}

/* ============================================================
   4. HERO — viewport-relative absolute layout (preserves
   the Figma concept on any screen width via `vw` units)
   ============================================================ */
.hero {
    position: relative;
    width: 100%;
    height: 62vw;        /* contains the photo (~60vw tall) */
    overflow: visible;    /* wordmark may bleed past viewport */
}

/* —— Subtitle / eyebrow —— inherits Roboto Condensed Regular from body */
.hero__eyebrow {
    position: absolute;
    left: 5vw;
    top: 9.93vw;
    font-size: 2.5vw;
    line-height: 1;
    color: var(--ink);
    z-index: 3;
    opacity: 0;
    transform: translateY(.8vw);
    animation: hero-fade-up .55s var(--ease-out) .1s forwards;
}

/* —— Big wordmark, bleeds past viewport on both sides —— */
.hero__title {
    position: absolute;
    left: -6.46vw;
    top: 11.6vw;                /* tightened gap to eyebrow */
    font-family: var(--font-display);
    font-weight: 800;
    font-size: 20.48vw;
    line-height: .7;
    letter-spacing: -1.23vw;
    white-space: nowrap;
    color: var(--ink);
    z-index: 1;
    overflow: hidden;      /* clip the rising line during entrance */
    padding-block: .04em;  /* a hair of padding to avoid descender clip */
}
.hero__title-line {
    display: inline-block;
    transform: translateY(105%);
    animation: hero-title-rise .85s var(--ease-snap) .15s forwards;
}

/* —— Photo, scales with viewport —— */
.hero__photo {
    position: absolute;
    left: 50vw;
    top: 0vw;
    width: 45vw;
    z-index: 2;
    margin: 0;            /* reset <figure> default margins */
    pointer-events: none;
}

/* —— About block — matches original: Roboto Regular, #484848, 120% line —— */
.hero__about {
    position: absolute;
    left: 5vw;
    top: 31vw;
    width: 52vw;
    font-family: var(--font-body);
    font-style: normal;
    font-weight: 400;
    font-size: 1.0vw;
    line-height: 120%;
    color: var(--ink-2);
    z-index: 3;
}
.hero__about p + p { margin-top: 1em; }
.hero__about strong { color: inherit; font-weight: 400; }
.hero__about p {
    opacity: 0;
    transform: translateY(.8vw);
    animation: hero-fade-up .6s var(--ease-out) forwards;
}
.hero__about p:nth-child(1) { animation-delay: .55s; }
.hero__about p:nth-child(2) { animation-delay: .65s; }
.hero__about p:nth-child(3) { animation-delay: .75s; }
.hero__about p:nth-child(4) { animation-delay: .85s; }

/* —— Scroll cue (Case Studies link) — same hover language as See more,
   only the arrow drops DOWN instead of going up-right —— */
.hero__scroll {
    position: absolute;
    left: 5vw;
    bottom: 8.5vw;
    display: inline-flex;
    align-items: center;
    gap: 1vw;
    font-family: var(--font-display);
    font-weight: 500;
    font-size: .95vw;
    letter-spacing: .18em;
    text-transform: uppercase;
    color: var(--ink);
    z-index: 4;
    opacity: 0;
    padding-bottom: .35vw;
    animation: hero-fade-up .55s var(--ease-out) 1.05s forwards;
}
.hero__scroll::after {
    content: "";
    position: absolute;
    left: 0; right: 0; bottom: 0;
    height: 1px;
    background: currentColor;
    transform: scaleX(.35);
    transform-origin: left;
    transition: transform .5s var(--ease-out);
}
.hero__scroll:hover::after { transform: scaleX(1); }
.hero__scroll-arrow {
    display: inline-block;
    transition: transform .4s var(--ease-out);
}
.hero__scroll:hover .hero__scroll-arrow { transform: translate(0, 4px); }

@keyframes hero-fade-up  { to { opacity: 1; transform: translateY(0); } }
@keyframes hero-title-rise { to { transform: translateY(0); } }

/* ============================================================
   5. RGB CHROMATIC SPLIT — hero (4-layer stack)
   ============================================================
   Stack of 4 images:
     • grey  — base (B&W), establishes container height
     • red / green / blue — channel-tinted versions, blended on top
   When R/G/B are aligned, they screen-blend with grey to produce
   the full color photo. When offset, they trail as a chromatic split.
   Animation: grey first → R/G/B fade in aligned → R/G/B drift apart.
   ============================================================ */
.rgb-image { position: relative; isolation: isolate; }

/* Width is inherited from .hero__photo (45vw) — don't override it here.
   Grey sits ON TOP; colored layers stack behind it and peek out from
   their down-left offsets, like a chromatic trail. */
.rgb-layer {
    width: 100%;
    height: auto;
    display: block;
    will-change: transform, opacity;
}

/* Grey is the topmost, fully opaque base — establishes container height. */
.rgb-layer--grey {
    position: relative;
    z-index: 4;
    transform: scale(.96);
    animation: rgb-grey-pop .7s var(--ease-snap) .1s both;
}

/* Coloured layers stack absolutely BEHIND grey */
.rgb-layer--red,
.rgb-layer--green,
.rgb-layer--blue {
    position: absolute;
    inset: 0;
    opacity: 0;
    transform: translate(0, 0);
    pointer-events: none;
}

/* Sequential reveal: grey first, then green emerges from behind,
   then blue (further), then red (furthest). Each fades in while
   sliding to its final offset. */
.rgb-layer--green {
    z-index: 3;
    animation: rgb-green 1.0s var(--ease-snap) .75s both;
}
.rgb-layer--blue {
    z-index: 2;
    animation: rgb-blue  1.0s var(--ease-snap) 1.05s both;
}
.rgb-layer--red {
    z-index: 1;
    animation: rgb-red   1.0s var(--ease-snap) 1.35s both;
}

/* —— intro: grey scales up slightly —— */
@keyframes rgb-grey-pop {
    0%   { transform: scale(.96); }
    100% { transform: scale(1); }
}

/* —— each colour fades in while sliding to its trail position —— */
@keyframes rgb-green {
    0%   { opacity: 0; transform: translate(0, 0); }
    100% { opacity: 1; transform: translate(-.3vw, .7vw); }
}
@keyframes rgb-blue {
    0%   { opacity: 0; transform: translate(0, 0); }
    100% { opacity: 1; transform: translate(-.6vw, 1.3vw); }
}
@keyframes rgb-red {
    0%   { opacity: 0; transform: translate(0, 0); }
    100% { opacity: 1; transform: translate(-.9vw, 1.7vw); }
}


/* ============================================================
   6. CASE STUDIES
   ============================================================ */
.cases {
    padding: clamp(80px, 10vw, 160px) 0 0;
}
.cases__head {
    display: flex;
    align-items: center;
    gap: 18px;
    margin-bottom: clamp(36px, 5vw, 72px);
}
.cases__mark {
    font-family: var(--font-display);
    font-weight: 300;
    font-size: clamp(28px, 3vw, 44px);
    line-height: 1;
    color: var(--ink);
    transform: translateY(-2px);
}
.cases__title {
    font-family: var(--font-display);
    font-weight: 500;
    font-size: clamp(18px, 1.8vw, 26px);
    letter-spacing: .22em;
    text-transform: uppercase;
    color: var(--ink);
}
.cases__list {
    display: grid;
    gap: clamp(36px, 4.5vw, 64px);
}

/* —— Card shell ——
   White box, fixed height. FLEX layout (not grid) — turns out grid +
   :nth-child(even) reordering via grid-column had a quirk that left
   the image on even cards mis-positioned. Flex with row-reverse for
   alternating layout is simpler and lets `align-items: stretch` reliably
   fill the row height on both flex children. */
.case-card {
    --card-h:  clamp(300px, 30vw, 440px);
    --media-w: var(--card-h);                    /* square media */
    position: relative;                          /* anchor for stretched-link ::after */
    display: flex;
    align-items: stretch;                        /* both children fill card-h */
    height: var(--card-h);
    background: #FFFFFF;
    padding: 0;
    overflow: hidden;
    opacity: 0;
    transform: translateY(28px);
    will-change: transform, opacity, box-shadow;
    box-shadow:
        0 1px 2px rgba(10, 10, 10, .04),
        0 8px 24px rgba(10, 10, 10, .06);
    transition: box-shadow .4s var(--ease-out), transform .4s var(--ease-out);
    border-radius: 32px;
}

/* —— Stretched-link: media-link's ::after covers the whole card,
   so a click anywhere on the card navigates to the case page.
   See more link stays clickable thanks to a higher z-index. —— */
.case-card__media-link::after {
    content: "";
    position: absolute;
    inset: 0;
    z-index: 1;
}
.case-card__cta {
    position: relative;
    z-index: 2;
}
.case-card.in-view {
    animation: card-fade-up .8s var(--ease-snap) both;
}
@keyframes card-fade-up {
    0%   { opacity: 0; transform: translateY(28px); }
    100% { opacity: 1; transform: translateY(0); }
}
@media (hover: hover) {
    .case-card:hover {
        transform: translateY(-3px);
        box-shadow:
            0 2px 4px rgba(10, 10, 10, .05),
            0 16px 40px rgba(10, 10, 10, .09);
    }
}

/* —— Body —— takes the remaining width (1fr-ish via flex:1) and
   centers its children vertically via inner flex column —— */
.case-card__body {
    flex: 1 1 auto;
    min-width: 0;                                /* allow shrink for long titles */
    height: 100%;                                /* explicit height for IE/Safari fallback */
    padding: clamp(28px, 3.2vw, 56px);
    display: flex;
    flex-direction: column;
    justify-content: center;                     /* vertical centering of title/desc/cta */
    gap: clamp(12px, 1.2vw, 20px);
}

/* —— Media —— fixed-width column, image fills it edge-to-edge —— */
.case-card__media-link {
    flex: 0 0 var(--media-w);                    /* never grows or shrinks */
    height: 100%;
    display: block;
}
.case-card__media {
    width: 100%;
    height: 100%;
    background: #F4F4F4;
    overflow: hidden;
}
.case-card__media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    display: block;
}

/* —— Alternating layout —— even cards mirror via row-reverse —— */
.case-card:nth-child(even)               { flex-direction: row-reverse; }
.case-card:nth-child(even) .case-card__body { text-align: right; }
.case-card:nth-child(even) .case-card__cta  { align-self: flex-end; }
.case-card:nth-child(even) .case-card__desc { margin-left: auto; }
.case-card:nth-child(even) .case-card__cta::after { transform-origin: right; }

.case-card__title {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: clamp(22px, 2.4vw, 38px);
    line-height: 1.05;
    letter-spacing: -.01em;
    color: var(--ink);
}
.case-card__desc {
    font-family: var(--font-body);
    font-weight: 400;
    color: var(--ink-2);
    font-size: clamp(14px, 1vw, 16px);
    line-height: 1.5;
    max-width: 56ch;
    /* Clip long descriptions so all cards stay identical in height */
    display: -webkit-box;
    -webkit-line-clamp: 5;
    line-clamp: 5;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.case-card__cta {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    margin-top: 6px;
    font-family: var(--font-display);
    font-weight: 500;
    font-size: 14px;
    letter-spacing: .14em;
    text-transform: uppercase;
    color: var(--ink);
    align-self: flex-start;
    position: relative;
    padding-bottom: 4px;
}
.case-card__cta::after {
    content: "";
    position: absolute;
    left: 0; right: 0; bottom: 0;
    height: 1px;
    background: currentColor;
    transform: scaleX(.35);
    transform-origin: left;
    transition: transform .5s var(--ease-out);
}

/* Plain hover: just the underline grow + arrow nudge.
   RGB-trail on the CTA was removed — it sat on top of the glyph
   and hurt readability. The card itself carries the RGB language. */
.case-card__cta:hover::after { transform: scaleX(1); }
.case-card__cta-arrow { display: inline-block; transition: transform .4s var(--ease-out); }
.case-card__cta:hover .case-card__cta-arrow { transform: translate(4px, -4px); }

/* ============================================================
   6b. CASE DETAIL — editorial flow
   ============================================================
   Layout rhythm:
     • Back link        — top, small
     • Title + intro    — narrow text column (max ~760px)
     • Cover image      — breaks out to full container width
     • Sections, each:  text in narrow column, then a gallery
                        of screenshots filling the container width
   Reads as text → look → text → look, never stretches paragraphs
   across the page, and lets screenshots be the visual hero.
   ============================================================ */
.page-case { background: var(--bg); }

.case-detail {
    padding: clamp(28px, 4vw, 64px) 0 clamp(60px, 8vw, 120px);
}

/* Width used by every text block — keeps comfortable reading measure */
.case-detail__back,
.case-detail__head,
.case-detail__section-text {
    max-width: 760px;
}

/* ----- Back link — same hover language as Scroll cue / See more ----- */
.case-detail__back {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    position: relative;
    font-family: var(--font-display);
    font-weight: 500;
    font-size: 14px;
    letter-spacing: .14em;
    text-transform: uppercase;
    color: var(--ink);
    padding-bottom: 4px;
    margin-bottom: clamp(36px, 4.5vw, 72px);

    opacity: 0;
    transform: translateY(8px);
    animation: case-fade-up .55s var(--ease-out) .1s forwards;
}
.case-detail__back::after {
    content: "";
    position: absolute;
    left: 0; right: 0; bottom: 0;
    height: 1px;
    background: currentColor;
    transform: scaleX(.35);
    transform-origin: left;
    transition: transform .5s var(--ease-out);
}
.case-detail__back:hover::after { transform: scaleX(1); }
.case-detail__back-arrow {
    display: inline-block;
    transition: transform .4s var(--ease-out);
}
.case-detail__back:hover .case-detail__back-arrow { transform: translateX(-4px); }

/* ----- Header: title + intro stacked in a narrow column ----- */
.case-detail__head {
    margin-bottom: clamp(36px, 5vw, 64px);
    opacity: 0;
    transform: translateY(14px);
    animation: case-fade-up .7s var(--ease-out) .2s forwards;
}
.case-detail__title {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: clamp(36px, 4.6vw, 72px);
    line-height: 1.05;
    letter-spacing: -.01em;
    color: var(--ink);
    margin-bottom: clamp(20px, 1.8vw, 32px);
}
.case-detail__intro {
    font-family: var(--font-body);
    font-weight: 400;
    font-size: clamp(15px, 1.1vw, 19px);
    line-height: 1.6;
    color: var(--ink-2);
}

/* ----- Cover: hero shot — sized at half container width
   to stay editorial and not dominate the page ----- */
.case-detail__cover {
    max-width: 50%;
    margin: 0 0 clamp(56px, 7vw, 110px);
    overflow: hidden;
    background: #ECECEC;
    box-shadow:
        0 1px 2px rgba(10,10,10,.04),
        0 8px 24px rgba(10,10,10,.06);

    opacity: 0;
    transform: translateY(20px);
    animation: case-fade-up .8s var(--ease-out) .3s forwards;
}
.case-detail__cover img {
    display: block;
    width: 100%;
    height: auto;
}

/* ----- Sections: text column → gallery beneath ----- */
.case-detail__sections {
    display: flex;
    flex-direction: column;
    gap: clamp(64px, 8vw, 128px);
}
.case-detail__section {
    /* Reveal on scroll */
    opacity: 0;
    transform: translateY(18px);
    transition:
        opacity .8s var(--ease-out),
        transform .8s var(--ease-out);
}
.case-detail__section.in-view {
    opacity: 1;
    transform: translateY(0);
}

.case-detail__section-text {
    /* Inherits max-width 760px from the shared rule */
}
.case-detail__section-title {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: clamp(26px, 2.4vw, 42px);
    line-height: 1.15;
    letter-spacing: -.005em;
    color: var(--ink);
    margin-bottom: clamp(14px, 1.2vw, 22px);
}
.case-detail__section-text p {
    font-family: var(--font-body);
    font-weight: 400;
    font-size: clamp(15px, 1.05vw, 17px);
    line-height: 1.7;
    color: var(--ink-2);
}
.case-detail__section-text p + p { margin-top: 1em; }

.case-detail__list {
    margin: 1.2em 0;
    padding: 0;
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: .7em;
}
.case-detail__list li {
    position: relative;
    padding-left: 1.2em;
    font-family: var(--font-body);
    font-size: clamp(15px, 1.05vw, 17px);
    line-height: 1.65;
    color: var(--ink-2);
}
.case-detail__list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: .75em;
    width: 8px;
    height: 1px;
    background: var(--ink);
}
.case-detail__list li strong { color: var(--ink); font-weight: 500; }

/* ----- Gallery — full container width, auto-fit grid ----- */
.case-detail__gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: clamp(16px, 1.4vw, 28px);
    align-items: start;
    margin-top: clamp(32px, 4vw, 64px);
}
/* When a section has multiple galleries (nested image rows),
   subsequent rows sit closer together — matching the in-grid gap */
.case-detail__gallery + .case-detail__gallery {
    margin-top: clamp(16px, 1.4vw, 28px);
}
/* Single image: don't sub-divide the column — full width hero */
.case-detail__gallery--solo {
    grid-template-columns: 1fr;
}
/* Exactly two images stay 2-up even on wider viewports */
.case-detail__gallery--duo {
    grid-template-columns: repeat(2, 1fr);
}

.case-detail__shot {
    margin: 0;
    overflow: hidden;
    background: #ECECEC;
    box-shadow:
        0 1px 2px rgba(10,10,10,.04),
        0 8px 24px rgba(10,10,10,.06);

    opacity: 0;
    transform: translateY(18px);
    transition:
        opacity .8s var(--ease-out),
        transform .8s var(--ease-out);
}
.case-detail__shot.in-view {
    opacity: 1;
    transform: translateY(0);
}
.case-detail__shot img {
    display: block;
    width: 100%;
    height: auto;
}

/* Empty / not-found fallback */
.case-detail__empty {
    text-align: center;
    padding: clamp(60px, 10vw, 120px) 0;
    font-family: var(--font-display);
    color: var(--ink-2);
}

@keyframes case-fade-up {
    to { opacity: 1; transform: translateY(0); }
}

/* ============================================================
   6c. BACK-TO-TOP — small floating arrow, bottom-left
   ============================================================
   Hidden by default; .is-visible toggled by app.js once the
   user scrolls past ~60% viewport height.
   ============================================================ */
.back-to-top {
    position: fixed;
    left:   clamp(16px, 2vw, 32px);
    bottom: clamp(20px, 3vw, 40px);
    width:  44px;
    height: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    border: 1px solid var(--ink);
    border-radius: 999px;
    background: rgba(255, 255, 255, .82);
    color: var(--ink);
    cursor: pointer;
    z-index: 50;

    opacity: 0;
    transform: translateY(12px);
    pointer-events: none;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    transition:
        opacity .35s var(--ease-out),
        transform .35s var(--ease-out),
        background-color .25s var(--ease-out),
        color .25s var(--ease-out);
}
.back-to-top.is-visible {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}
.back-to-top:hover {
    background: var(--ink);
    color: #FFFFFF;
}
.back-to-top__arrow {
    display: inline-block;
    font-family: var(--font-display);
    font-size: 18px;
    line-height: 1;
    transition: transform .3s var(--ease-out);
}
.back-to-top:hover .back-to-top__arrow {
    transform: translateY(-3px);
}

/* ============================================================
   7. FOOTER — dark band matching Figma
   ============================================================ */
.footer {
    margin-top: clamp(80px, 10vw, 160px);
    padding: clamp(28px, 3vw, 48px) 0 clamp(20px, 2.5vw, 40px);
    background: var(--bg-dark);
    color: #FFFFFF;
    overflow: hidden;          /* wordmark bleed clipped at edges */
}
.footer__contacts {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    font-family: var(--font-display);
    font-weight: 400;
    font-size: 13px;
    letter-spacing: .14em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, .7);
    margin-bottom: clamp(20px, 2vw, 36px);
}
.footer__contacts a {
    color: inherit;
    transition: color .3s var(--ease-out);
}
.footer__contacts a:hover { color: var(--rgb-r); }

.footer__mark {
    font-family: var(--font-display);
    font-weight: 800;
    font-size: 20.48vw;
    line-height: .7;
    letter-spacing: -1.23vw;
    white-space: nowrap;
    color: #FFFFFF;
    margin: 0 0 0 -6.46vw;     /* same bleed as hero title */
    padding-block: .04em;
    user-select: none;
    pointer-events: none;      /* decorative — never intercepts clicks
                                  (its tall glyphs visually bleed up over
                                  the contact links above) */
}
/* Contacts paint above the wordmark in case it visually overlaps */
.footer__contacts {
    position: relative;
    z-index: 2;
}

/* ============================================================
   8. Mobile / narrow viewports
   ============================================================
   Below ~720px we switch to a flow layout because vw-absolute
   gets visually too small. Hero typography still scales but
   the photo and about stack vertically.
*/
@media (max-width: 720px) {
    .hero {
        height: auto;
        padding: 0 0 8vw;        /* no horizontal padding — title bleeds full-width */
        position: relative;
        overflow-x: clip;        /* contain title + photo bleed inside the hero */
    }

    /* Text-side items flow normally on mobile. */
    .hero__eyebrow,
    .hero__title,
    .hero__about,
    .hero__scroll {
        position: static;
    }

    .hero__eyebrow {
        margin: 6vw 0 0 5vw;
        font-size: 3.6vw;
    }

    /* Title bleeds left AND right past the viewport edges. */
    .hero__title {
        margin: 2vw 0 2vw -6vw;
        padding: 0;
        font-size: 26vw;
        letter-spacing: -1.4vw;
        line-height: .8;
        overflow: visible;
        width: max-content;
    }

    /* PHOTO — pinned to the top of the viewport, horizontally centered,
       enlarged 1.5×. Slight negative top bleeds past the top edge so the
       head sits closer to the screen edge. */
    .hero__photo {
        position: absolute;
        top: -6vw;                       /* lift ~10-15px past top edge */
        left: 50%;
        right: auto;
        transform: translateX(-50%);     /* center horizontally */
        width: 105vw;                    /* 1.5× of previous 70vw */
        margin: 0;
        z-index: 2;                       /* paint above title text */
        float: none;
        shape-outside: none;
    }

    /* About flows after the larger image — margin-top clears its height */
    .hero__about {
        margin: 95vw 0 0;
        padding: 0 5vw;
        width: 100%;
        font-size: 3.6vw;
        line-height: 1.55;
    }

    .hero__scroll { display: none; }

    /* Cards stack vertically on narrow screens — image on top, text below */
    .case-card,
    .case-card:nth-child(even) {
        flex-direction: column;
        height: auto;
    }
    .case-card__media-link {
        flex: 0 0 auto;
        width: 100%;
        height: 60vw;
    }
    .case-card__body,
    .case-card:nth-child(even) .case-card__body {
        flex: 1 1 auto;
        height: auto;
        padding: 24px;
        text-align: left;
    }
    .case-card:nth-child(even) .case-card__desc { margin-left: 0; }
    .case-card:nth-child(even) .case-card__cta,
    .case-card:nth-child(even) .case-card__cta::after { align-self: flex-start; transform-origin: left; }
    .footer__mark { font-size: 22vw; letter-spacing: -1.2vw; margin-left: -8vw; }

    /* Case detail — gallery becomes single column on narrow screens */
    .case-detail__gallery,
    .case-detail__gallery--duo {
        grid-template-columns: 1fr;
    }
    /* Cover goes back to full width on narrow viewports */
    .case-detail__cover { max-width: 100%; }
    .case-detail__title       { font-size: clamp(30px, 8vw, 48px); }
    .case-detail__section-title { font-size: clamp(22px, 6vw, 32px); }
}

/* ============================================================
   9. Reduced motion
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.001ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.001ms !important;
        scroll-behavior: auto !important;
    }
    .rgb-layer--grey  { transform: none; }
    .rgb-layer--green { opacity: 1; transform: translate(-.2vw,  .4vw); }
    .rgb-layer--blue  { opacity: 1; transform: translate(-.4vw, 1.0vw); }
    .rgb-layer--red   { opacity: 1; transform: translate(-.6vw, 1.2vw); }
    .case-card {
        opacity: 1;
        transform: none;
    }
}