*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body.o_bus_landing {
    margin: 0;
    background: var(--bus-paper);
    color: var(--bus-ink);
    font-family: var(--bus-font-body);
    font-size: 1.125rem;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

.o_bus_landing a {
    color: inherit;
}

.o_bus_landing :focus-visible {
    outline: 3px solid var(--bus-senal);
    outline-offset: 3px;
    border-radius: 4px;
}

.o_bus_landing .wrap {
    width: min(1160px, 100% - 48px);
    margin-inline: auto;
}

.o_bus_landing h1,
.o_bus_landing h2,
.o_bus_landing h3 {
    font-family: var(--bus-font-display);
    margin: 0;
    letter-spacing: -0.02em;
}

.o_bus_landing p {
    margin: 0;
    max-width: 58ch;
}

/* ---------- Buttons ---------- */

.o_bus_landing .btn {
    display: inline-block;
    padding: 0.8rem 1.5rem;
    border-radius: 999px;
    font-weight: 700;
    text-decoration: none;
    border: 2px solid var(--bus-ink);
    transition: transform 0.15s ease, background-color 0.15s ease;
}

.o_bus_landing .btn:hover {
    transform: translateY(-2px);
}

.o_bus_landing .btn-primary {
    background: var(--bus-rojo);
    border-color: var(--bus-rojo);
    color: #fff;
}

.o_bus_landing .btn-primary:hover {
    background: #a82a1f;
}

.o_bus_landing .btn-quiet {
    padding-inline: 0.25rem;
    border-color: transparent;
    text-decoration: underline;
    text-underline-offset: 0.3em;
    text-decoration-thickness: 2px;
}

/* ---------- Header ---------- */

.top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-block: 1.25rem;
}

.marca {
    display: flex;
    align-items: center;
    gap: 0.7rem;
    font-family: var(--bus-font-display);
    font-weight: 800;
    font-size: 1.5rem;
    letter-spacing: -0.03em;
    text-decoration: none;
}

.marca svg {
    width: 38px;
    height: 38px;
}

.top .btn {
    padding-block: 0.5rem;
}

/* ---------- Hero ---------- */

.hero {
    display: grid;
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    gap: clamp(1.5rem, 5vw, 4rem);
    align-items: center;
    padding-block: clamp(0.5rem, 2.5vw, 2rem) 0.5rem;
}

.hero h1 {
    font-size: clamp(3.2rem, 8vw, 6.4rem);
    font-weight: 800;
    line-height: 0.92;
    letter-spacing: -0.04em;
}

.hero .lead {
    margin-top: 1.5rem;
    font-size: 1.3rem;
    color: var(--bus-muted);
}

.hero .acciones {
    margin-top: 2rem;
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem 1rem;
    align-items: center;
}

.ventana {
    margin: 0;
    aspect-ratio: 1 / 1;
    max-height: min(440px, 58vh);
    width: 100%;
    border: 12px solid var(--bus-ink);
    border-radius: 40px;
    overflow: hidden;
    background: var(--bus-lluvia);
    box-shadow: 14px 14px 0 var(--bus-senal);
}

.ventana img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: 62% 70%;
    display: block;
}

/* ---------- Route line (the one memorable moment) ---------- */

.linea {
    position: relative;
    margin-top: clamp(1.5rem, 3vw, 2.5rem);
    padding-bottom: 3.5rem;
    --avance: 66%;
}

.linea .via {
    position: relative;
    height: 10px;
    border-radius: 5px;
    background: var(--bus-lluvia);
    margin-top: 58px;
}

.linea .via::after {
    content: "";
    position: absolute;
    inset: 0 auto 0 0;
    width: var(--avance);
    border-radius: 5px;
    background: var(--bus-ruta);
    transform-origin: left;
    animation: recorrido 3.6s cubic-bezier(0.5, 0, 0.2, 1) both;
}

.linea .parada {
    position: absolute;
    top: 50%;
    width: 26px;
    height: 26px;
    margin: -13px 0 0 -13px;
    border-radius: 50%;
    background: var(--bus-paper);
    border: 5px solid var(--bus-ink);
}

.linea .parada span {
    position: absolute;
    top: 38px;
    left: 50%;
    transform: translateX(-50%);
    white-space: nowrap;
    font-weight: 700;
    font-size: 0.95rem;
}

.linea .parada:nth-of-type(1) { left: 2%; }
.linea .parada:nth-of-type(2) { left: 34%; animation: enciende 0.4s 1.2s both; }
.linea .parada:nth-of-type(3) { left: 66%; animation: enciende 0.4s 2.4s both; }
.linea .parada:nth-of-type(4) { left: 96%; }

.linea .parada:nth-of-type(1) { background: var(--bus-senal); }

.linea .bus {
    position: absolute;
    top: -50px;
    left: var(--avance);
    width: 74px;
    margin-left: -37px;
    animation: avanza 3.6s cubic-bezier(0.5, 0, 0.2, 1) both;
}

@keyframes recorrido {
    from { transform: scaleX(0); }
    to { transform: scaleX(1); }
}

@keyframes avanza {
    from { left: 2%; }
    to { left: var(--avance); }
}

@keyframes enciende {
    from { background: var(--bus-paper); }
    to { background: var(--bus-senal); }
}

/* ---------- Story rows ---------- */

.fila {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: clamp(1.5rem, 6vw, 5rem);
    align-items: center;
    padding-block: clamp(3rem, 8vw, 6rem);
}

.fila h2 {
    font-size: clamp(2rem, 4.2vw, 3.3rem);
    font-weight: 700;
    line-height: 1.02;
}

.fila p {
    margin-top: 1.25rem;
}

.fila figure {
    margin: 0;
}

.fila img {
    display: block;
    width: 100%;
    height: auto;
    border-radius: 22px;
}

.fila.invertida figure {
    order: 2;
}

.fila .retrato img {
    aspect-ratio: 4 / 5;
    object-fit: cover;
    object-position: 20% 40%;
    max-height: 560px;
}

/* ---------- Coordination band ---------- */

.coordina {
    background: var(--bus-ink);
    color: var(--bus-paper);
    padding-block: clamp(3rem, 8vw, 6rem);
}

.coordina h2 {
    font-size: clamp(2rem, 4.2vw, 3.3rem);
    font-weight: 700;
    line-height: 1.02;
    max-width: 18ch;
}

.coordina .tres {
    margin-top: 2.5rem;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 2rem 3rem;
}

.coordina h3 {
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--bus-senal);
}

.coordina .tres p {
    margin-top: 0.5rem;
    color: #d3dcdc;
}

/* ---------- How the signal travels ---------- */

.como {
    padding-block: clamp(3rem, 8vw, 6rem);
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: clamp(1.5rem, 6vw, 5rem);
    align-items: start;
}

.como h2 {
    font-size: clamp(2rem, 4.2vw, 3.3rem);
    font-weight: 700;
    line-height: 1.02;
    max-width: 20ch;
}

.camino {
    list-style: none;
    margin: 0.5rem 0 0;
    padding: 0;
    position: relative;
    max-width: 640px;
}

.camino::before {
    content: "";
    position: absolute;
    left: 13px;
    top: 14px;
    bottom: 14px;
    width: 6px;
    border-radius: 3px;
    background: var(--bus-ruta);
}

.camino li {
    position: relative;
    padding: 0 0 2.25rem 3.5rem;
}

.camino li:last-child {
    padding-bottom: 0;
}

.camino li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 2px;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--bus-paper);
    border: 6px solid var(--bus-ink);
}

.camino li:last-child::before {
    background: var(--bus-senal);
}

.camino h3 {
    font-size: 1.5rem;
    font-weight: 700;
}

.camino p {
    margin-top: 0.25rem;
    color: var(--bus-muted);
}

/* ---------- Closing ---------- */

.cierre {
    background: var(--bus-senal);
    padding-block: clamp(2.5rem, 6vw, 4.5rem);
}

.cierre .wrap {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem 3rem;
    align-items: center;
    justify-content: space-between;
}

.cierre h2 {
    font-size: clamp(1.8rem, 3.6vw, 2.8rem);
    font-weight: 800;
    max-width: 22ch;
    line-height: 1.05;
}

.cierre .btn-primary:hover {
    background: var(--bus-ink);
    border-color: var(--bus-ink);
}

.pie {
    padding-block: 2rem;
    font-size: 0.95rem;
    color: var(--bus-muted);
}

.pie p {
    max-width: none;
}

/* ---------- Responsive ---------- */

@media (max-width: 860px) {
    .hero,
    .fila,
    .como {
        grid-template-columns: 1fr;
    }

    .camino {
        margin-top: 1.5rem;
    }

    .fila.invertida figure {
        order: 0;
    }

    .ventana {
        aspect-ratio: 5 / 4;
        max-height: none;
        box-shadow: 8px 8px 0 var(--bus-senal);
    }

    .coordina .tres {
        grid-template-columns: 1fr;
    }

    .linea .parada span {
        font-size: 0.8rem;
    }

    .linea .parada:nth-of-type(1) span { transform: translateX(-20%); }
    .linea .parada:nth-of-type(4) span { transform: translateX(-80%); }
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    .linea .via::after,
    .linea .bus,
    .linea .parada {
        animation: none !important;
    }

    .linea .parada:nth-of-type(2),
    .linea .parada:nth-of-type(3) {
        background: var(--bus-senal);
    }
}