/* ============================================
   Buffering Britain app page
   One device system and one continuous page rhythm
   ============================================ */

.app-page-hero,
.app-page-feature,
.app-page-final {
    --app-page-max: 1200px;
    --app-page-rule: #dedde2;
    --app-page-muted: #595860;
    --app-page-soft: #f2f0ff;
    --app-page-indigo: #3c32b9;
    --app-page-indigo-dark: #261d80;
}

.app-page-hero {
    padding: 9.25rem 0 6.5rem;
    overflow: hidden;
    border-bottom: 1px solid var(--app-page-rule);
    background: #fff;
}

.app-page-hero .container {
    display: grid;
    max-width: var(--app-page-max);
    grid-template-columns: minmax(0, 0.9fr) minmax(470px, 1.1fr);
    gap: clamp(3rem, 6vw, 6rem);
    align-items: center;
}

.app-page-hero-copy {
    position: relative;
    z-index: 2;
}

.app-page-hero-copy h1 {
    max-width: 8ch;
    margin-bottom: 1.6rem;
    font-size: clamp(4.25rem, 6.4vw, 6.25rem);
    letter-spacing: -0.045em;
}

.app-page-hero-copy > p:not(.app-page-hero-note) {
    max-width: 46ch;
    margin-bottom: 1.8rem;
    color: var(--app-page-muted);
    font-size: 1.125rem;
    line-height: 1.72;
}

.app-page-store-button,
.app-page-final-button {
    display: inline-flex;
    min-height: 56px;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    border-color: var(--color-ink);
    border-radius: 0;
    background: var(--color-ink);
    box-shadow: none;
    color: #fff;
}

.app-page-store-button:hover,
.app-page-final-button:hover {
    border-color: var(--color-accent);
    background: var(--color-accent);
    color: #fff;
}

.app-page-store-button svg,
.app-page-final-button svg {
    width: 1rem;
    height: 1rem;
    fill: none;
    stroke: currentColor;
    stroke-width: 1.5;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.app-page-hero-note {
    margin-top: 1rem;
    color: #77757d;
    font-size: 0.875rem;
}

.app-page-hero-visual,
.app-page-feature-visual {
    display: flex;
    justify-content: center;
    min-width: 0;
    margin: 0;
}

.app-page-hero-phones,
.app-page-map-phones,
.app-page-social-phones {
    display: flex;
    width: 100%;
    align-items: flex-start;
    justify-content: center;
    gap: clamp(0.8rem, 1.8vw, 1.35rem);
}

/* One physical device component. Size is its only variant. */
.app-page-device-frame {
    position: relative;
    z-index: 1;
    box-sizing: border-box;
    flex: 0 0 auto;
    min-width: 0;
    padding: var(--app-page-device-bezel);
    overflow: hidden;
    border: 0;
    border-radius: 14% / 6.5%;
    background: #0a0a0a;
    box-shadow: 0 22px 48px rgba(17, 16, 32, 0.15), 10px 11px 0 var(--color-accent);
}

.app-page-device-frame--single {
    --app-page-device-bezel: 7px;
    width: 270px;
}

.app-page-device-frame--pair {
    --app-page-device-bezel: 5.75px;
    width: 220px;
}

.app-page-device-frame img {
    display: block;
    width: 100%;
    height: auto;
    aspect-ratio: 1206 / 2622;
    border-radius: 12% / 5.6%;
    object-fit: cover;
}

.app-page-phone--offset,
.app-page-map-phone--result {
    margin-top: 36px;
}

/* ============================================
   Feature bands
   ============================================ */

.app-page-feature {
    padding: 0;
    overflow: hidden;
    border-bottom: 1px solid var(--app-page-rule);
    background: #fff;
}

.app-page-feature:first-of-type {
    border-top: 0;
}

.app-page-feature--signal {
    border-color: rgba(255, 255, 255, 0.24);
    background: linear-gradient(135deg, var(--app-page-indigo) 0%, var(--app-page-indigo-dark) 100%);
    color: #fff;
}

.app-page-feature--map {
    background: var(--app-page-soft);
}

.app-page-feature .container {
    display: grid;
    max-width: var(--app-page-max);
    min-height: 700px;
    padding-top: clamp(4.5rem, 7vw, 6.5rem);
    padding-bottom: clamp(4.5rem, 7vw, 6.5rem);
    grid-template-columns: minmax(290px, 0.9fr) minmax(0, 1.1fr);
    column-gap: clamp(3.5rem, 7vw, 7rem);
    row-gap: 3rem;
    align-items: center;
}

.app-page-feature-copy {
    position: relative;
    z-index: 2;
}

.app-page-feature-copy h2 {
    max-width: 12ch;
    margin-bottom: 1.5rem;
    font-size: clamp(3.25rem, 5vw, 4.8rem);
    letter-spacing: -0.04em;
}

.app-page-feature--map .app-page-feature-copy h2 {
    max-width: 11ch;
}

.app-page-feature-copy > p {
    max-width: 47ch;
    color: var(--app-page-muted);
    font-size: 1.075rem;
    line-height: 1.72;
}

.app-page-feature--signal .app-page-feature-copy > p {
    color: rgba(255, 255, 255, 0.84);
}

.app-page-feature-copy .app-page-feature-emphasis,
.app-page-feature-copy .app-page-feature-support {
    margin-top: 1.35rem;
    color: #1e1d22;
    font-weight: 650;
}

.app-page-feature--signal .app-page-feature-copy .app-page-feature-emphasis {
    color: #fff;
}

.app-page-feature--journey .app-page-feature-copy,
.app-page-feature--map .app-page-feature-copy,
.app-page-feature--social .app-page-feature-copy {
    grid-column: 1;
    grid-row: 1;
}

.app-page-feature--journey .app-page-feature-visual,
.app-page-feature--map .app-page-feature-visual,
.app-page-feature--social .app-page-feature-visual {
    grid-column: 2;
    grid-row: 1;
}

.app-page-map-visual {
    min-width: 0;
}

.app-page-map-phones {
    align-items: flex-start;
}

.app-page-measures {
    display: grid;
    grid-column: 1 / -1;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: clamp(1.5rem, 4vw, 4rem);
    padding-top: 2rem;
    border-top: 1px solid var(--app-page-rule);
}

.app-page-feature--signal .app-page-measures {
    border-top-color: rgba(255, 255, 255, 0.26);
}

.app-page-measures div {
    min-width: 0;
}

.app-page-measures dt {
    margin-bottom: 0.45rem;
    color: #1d1c21;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.03em;
}

.app-page-measures dd {
    color: #77757d;
    font-size: 0.875rem;
    line-height: 1.55;
}

.app-page-feature--signal .app-page-measures dt {
    color: #fff;
}

.app-page-feature--signal .app-page-measures dd {
    color: rgba(255, 255, 255, 0.7);
}

.app-page-measures--map {
    counter-reset: map-step;
}

.app-page-measures--map div {
    position: relative;
    min-height: 58px;
    padding-left: 3.4rem;
    counter-increment: map-step;
}

.app-page-measures--map div::before {
    position: absolute;
    display: grid;
    width: 2.35rem;
    height: 2.35rem;
    top: 0;
    left: 0;
    place-items: center;
    border: 1px solid #dcd8f8;
    border-radius: 50%;
    background: #fff;
    color: var(--color-accent);
    content: counter(map-step);
    font-weight: 700;
}

/* ============================================
   Final call to action
   ============================================ */

.app-page-final {
    padding: 0;
    border-bottom: 1px solid var(--app-page-rule);
    background: var(--app-page-soft);
}

.app-page-final .container {
    display: grid;
    max-width: var(--app-page-max);
    min-height: 520px;
    padding-top: clamp(4rem, 7vw, 6rem);
    padding-bottom: clamp(4rem, 7vw, 6rem);
    grid-template-columns: minmax(0, 1.2fr) minmax(180px, 0.8fr);
    gap: clamp(3rem, 7vw, 7rem);
    align-items: center;
}

.app-page-final-copy h2 {
    max-width: 13ch;
    margin-bottom: 1.4rem;
    font-size: clamp(3.25rem, 5vw, 4.8rem);
    letter-spacing: -0.04em;
}

.app-page-final-copy > p:not(.app-page-final-note) {
    max-width: 47ch;
    margin-bottom: 1.6rem;
    color: var(--app-page-muted);
    font-size: 1.0625rem;
    line-height: 1.7;
}

.app-page-final-note {
    margin-top: 1.15rem;
    color: #77757d;
    font-size: 0.8rem;
    line-height: 1.6;
}

.app-page-final-block {
    display: grid;
    width: min(100%, 220px);
    aspect-ratio: 1;
    justify-self: center;
    place-items: center;
}

.app-page-final-block img {
    display: block;
    width: 100%;
    height: auto;
    border: 1px solid rgba(10, 10, 10, 0.42);
    border-radius: 24%;
    box-shadow: 0 24px 48px rgba(43, 31, 129, 0.2);
}

/* ============================================
   Responsive
   ============================================ */

@media (max-width: 980px) {
    .app-page-hero .container {
        grid-template-columns: minmax(0, 0.9fr) minmax(420px, 1.1fr);
        gap: 2.5rem;
    }

    .app-page-device-frame--single {
        --app-page-device-bezel: 6.5px;
        width: 250px;
    }

    .app-page-device-frame--pair {
        --app-page-device-bezel: 5.25px;
        width: 200px;
    }

    .app-page-feature .container {
        grid-template-columns: minmax(250px, 0.9fr) minmax(0, 1.1fr);
        column-gap: 3rem;
    }
}

@media (max-width: 820px) {
    .app-page-hero {
        padding: 8rem 0 5rem;
    }

    .app-page-hero .container,
    .app-page-feature .container,
    .app-page-final .container {
        grid-template-columns: 1fr;
    }

    .app-page-hero-copy {
        max-width: 720px;
    }

    .app-page-hero-copy h1 {
        max-width: 9ch;
        font-size: clamp(4rem, 10vw, 5.7rem);
    }

    .app-page-hero-visual {
        margin-top: 1.5rem;
    }

    .app-page-feature .container {
        min-height: 0;
        padding-top: 5rem;
        padding-bottom: 5rem;
    }

    .app-page-feature-copy,
    .app-page-feature--journey .app-page-feature-copy,
    .app-page-feature--map .app-page-feature-copy,
    .app-page-feature--social .app-page-feature-copy {
        grid-column: 1;
        grid-row: auto;
        order: 1;
    }

    .app-page-feature-visual,
    .app-page-feature--journey .app-page-feature-visual,
    .app-page-feature--map .app-page-feature-visual,
    .app-page-feature--social .app-page-feature-visual {
        grid-column: 1;
        grid-row: auto;
        order: 2;
    }

    .app-page-measures {
        grid-column: 1;
        order: 3;
    }

    .app-page-final-block {
        width: 180px;
        justify-self: start;
    }
}

@media (max-width: 640px) {
    .app-page-hero {
        padding: 7rem 0 4rem;
    }

    .app-page-hero .container,
    .app-page-feature .container,
    .app-page-final .container {
        padding-left: 1.25rem;
        padding-right: 1.25rem;
    }

    .app-page-hero-copy h1 {
        margin-bottom: 1.2rem;
        font-size: clamp(3.3rem, 15vw, 4.5rem);
    }

    .app-page-hero-copy > p:not(.app-page-hero-note),
    .app-page-feature-copy > p,
    .app-page-final-copy > p:not(.app-page-final-note) {
        font-size: 1rem;
        line-height: 1.65;
    }

    .app-page-store-button,
    .app-page-final-button {
        width: 100%;
    }

    .app-page-device-frame {
        box-shadow: 0 17px 32px rgba(17, 16, 32, 0.14), 7px 8px 0 var(--color-accent);
    }

    .app-page-device-frame--single {
        --app-page-device-bezel: clamp(5.65px, 1.67vw, 6.5px);
        width: min(68vw, 250px);
    }

    .app-page-device-frame--pair {
        --app-page-device-bezel: clamp(3.45px, 1.07vw, 4.2px);
        width: min(41.5vw, 160px);
    }

    .app-page-phone--offset,
    .app-page-map-phone--result {
        margin-top: 23px;
    }

    .app-page-feature .container,
    .app-page-final .container {
        padding-top: 4rem;
        padding-bottom: 4rem;
        row-gap: 2.5rem;
    }

    .app-page-feature-copy h2,
    .app-page-final-copy h2 {
        max-width: 12ch;
        margin-bottom: 1.2rem;
        font-size: clamp(2.75rem, 12vw, 3.8rem);
    }

    .app-page-feature-copy .app-page-feature-emphasis,
    .app-page-feature-copy .app-page-feature-support {
        margin-top: 1.15rem;
    }

    .app-page-measures {
        grid-template-columns: 1fr;
        gap: 0;
        padding-top: 0;
    }

    .app-page-measures div {
        padding: 1rem 0;
        border-bottom: 1px solid var(--app-page-rule);
    }

    .app-page-feature--signal .app-page-measures div {
        border-bottom-color: rgba(255, 255, 255, 0.2);
    }

    .app-page-measures div:last-child {
        border-bottom: 0;
    }

    .app-page-measures--map div {
        min-height: 0;
        padding: 1rem 0 1rem 3.25rem;
    }

    .app-page-final .container {
        min-height: 0;
    }

    .app-page-final-block {
        width: 132px;
    }

    .app-page-final-note {
        font-size: 0.75rem;
    }
}

@media (max-width: 360px) {
    .app-page-hero .container,
    .app-page-feature .container,
    .app-page-final .container {
        padding-left: 1rem;
        padding-right: 1rem;
    }

    .app-page-feature-copy h2,
    .app-page-final-copy h2 {
        font-size: 2.65rem;
    }
}