/* Homepage only. Shared pieces live in components.css. */

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

.hero {
    position: relative;
    overflow: clip;
    padding-block: var(--space-2xl) var(--space-3xl);
}

.hero-grid {
    display: grid;
    gap: var(--space-3xl);
    align-items: center;
}

/* The hero goes two-column at 1200px: below that the headline column is too
   narrow for the hero size and wraps awkwardly. */
@media (min-width: 1200px) {
    .hero {
        padding-block: var(--space-3xl) var(--space-4xl);
        min-height: min(53.75rem, calc(100vh - 5rem));
        display: flex;
        align-items: center;
    }

    .hero-grid {
        grid-template-columns: 1.05fr 1fr;
    }
}

.hero-copy {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-lg);
    text-align: center;
}

@media (min-width: 1200px) {
    .hero-copy {
        align-items: flex-start;
        text-align: left;
    }
}

.hero-logo {
    width: 4rem;
    height: 4rem;
    object-fit: contain;
}

.hero-copy h1 {
    font: var(--text-hero);
    letter-spacing: var(--tracking-hero);
    text-wrap: balance;
}

.hero-copy h1 .highlight {
    color: var(--color-accent-text);
}

.hero-copy > p {
    max-width: 34rem;
    font-size: 1.125rem;
    line-height: 1.6;
    color: var(--color-text-muted);
}

.store-badges {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-md);
    margin-top: var(--space-sm);
}

@media (min-width: 1200px) {
    .hero-copy .store-badges {
        justify-content: flex-start;
    }
}

/* Official badge artwork: sized only, never recoloured. */
.store-badges a {
    display: block;
    border-radius: var(--radius-sm);
    transition: transform var(--duration-fast) var(--easing), opacity var(--duration-fast) var(--easing);
}

.store-badges a:hover {
    opacity: 0.88;
}

.store-badges a:active {
    transform: scale(var(--press-scale-sm));
}

.store-badges img {
    height: 3.25rem;
    width: auto;
}

/* Staggered entrance on load. */
.hero-enter > * {
    animation: hero-rise var(--duration-slow) var(--easing) both;
    animation-duration: 600ms;
    animation-delay: calc(var(--i, 0) * 80ms + 80ms);
}

@keyframes hero-rise {
    from {
        opacity: 0;
        transform: translateY(1.25rem);
    }
}

/* Slow drifting brand glow behind the device. */
.hero-glow {
    position: absolute;
    inset: 0;
    z-index: -1;
    pointer-events: none;
}

.hero-glow::before,
.hero-glow::after {
    content: "";
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.55;
}

.hero-glow::before {
    width: 32.5rem;
    height: 32.5rem;
    right: 8%;
    top: 12%;
    background: radial-gradient(circle, var(--blue-600), transparent 70%);
    animation: glow-drift-a 18s ease-in-out infinite alternate;
}

.hero-glow::after {
    width: 23.75rem;
    height: 23.75rem;
    right: 28%;
    top: 46%;
    background: radial-gradient(circle, color-mix(in srgb, var(--yellow-400) 55%, transparent), transparent 70%);
    opacity: 0.25;
    animation: glow-drift-b 22s ease-in-out infinite alternate;
}

@media (max-width: 1199px) {
    .hero-glow::before {
        width: 22.5rem;
        height: 22.5rem;
        right: -10%;
        top: 48%;
    }

    .hero-glow::after {
        width: 16.25rem;
        height: 16.25rem;
        right: 40%;
        top: 70%;
    }
}

@keyframes glow-drift-a {
    to {
        transform: translate(-60px, 2.5rem) scale(1.15);
    }
}

@keyframes glow-drift-b {
    to {
        transform: translate(4.375rem, -50px) scale(0.9);
    }
}

/* Faint dot grid that fades out toward the edges. */
.hero::before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: -2;
    background-image: radial-gradient(var(--color-border-strong) 1px, transparent 1px);
    background-size: 1.5rem 1.5rem;
    -webkit-mask-image: radial-gradient(ellipse 70% 60% at 60% 40%, black, transparent 75%);
    mask-image: radial-gradient(ellipse 70% 60% at 60% 40%, black, transparent 75%);
    opacity: 0.5;
}

/* ---------- Device carousel ---------- */

.showcase {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-lg);
}

.device-stage {
    position: relative;
    width: 100%;
    height: clamp(27.5rem, 62vh, 38.75rem);
    perspective: 87.5rem;
    touch-action: pan-y;
    outline: none;
}

.device {
    --device-w: clamp(13.125rem, 28vh, 18.125rem);
    position: absolute;
    left: 50%;
    top: 50%;
    width: var(--device-w);
    padding: 0.5rem;
    border-radius: 2.25rem;
    background: var(--neutral-950);
    border: 1px solid var(--color-border-strong);
    box-shadow: var(--shadow-3);
    transform: translate(-50%, -50%);
    transition:
        transform 600ms var(--easing),
        opacity 600ms var(--easing),
        filter 600ms var(--easing);
    cursor: pointer;
}

/* Nested radius = outer radius − padding (hand-off §4). */
.device img {
    width: 100%;
    height: auto;
    aspect-ratio: 1080 / 2340;
    object-fit: cover;
    border-radius: 1.75rem;
}

.device.is-active {
    z-index: 3;
    cursor: default;
    box-shadow:
        var(--shadow-3),
        0 0 0 1px color-mix(in srgb, var(--blue-400) 30%, transparent),
        0 1.5rem 5rem color-mix(in srgb, var(--blue-600) 35%, transparent);
}

.device.is-prev,
.device.is-next {
    z-index: 2;
    opacity: 0.5;
    filter: saturate(0.6);
}

.device.is-prev {
    transform: translate(-50%, -50%) translateX(-62%) translateZ(-160px) rotateY(14deg) scale(0.84);
}

.device.is-next {
    transform: translate(-50%, -50%) translateX(62%) translateZ(-160px) rotateY(-14deg) scale(0.84);
}

.device.is-prev:hover,
.device.is-next:hover {
    opacity: 0.75;
}

.device.is-hidden {
    opacity: 0;
    pointer-events: none;
    transform: translate(-50%, -50%) scale(0.7);
}

.showcase-caption {
    min-height: 1.5rem;
    font: var(--text-headline);
    color: var(--color-text);
    text-align: center;
    transition: opacity var(--duration-base) var(--easing);
}

.showcase-controls {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
}

.dots {
    display: flex;
    gap: var(--space-sm);
}

.dots button {
    width: 0.5rem;
    height: 0.5rem;
    padding: 0;
    border-radius: var(--radius-full);
    background: var(--color-surface-highest);
    transition:
        width var(--duration-base) var(--easing),
        background-color var(--duration-base) var(--easing);
}

/* A bigger hit area than the dot itself. */
.dots button {
    position: relative;
}

.dots button::after {
    content: "";
    position: absolute;
    inset: -10px;
}

.dots button[aria-current="true"] {
    width: 1.5rem;
    background: var(--color-primary);
}

/* ---------- Sections ---------- */

.home-section + .home-section {
    padding-top: 0;
}

.about-copy {
    max-width: var(--content-max);
    margin-inline: auto;
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    text-align: center;
    color: var(--color-text-muted);
    font-size: 1.125rem;
    line-height: 1.6;
}

.about-copy strong {
    color: var(--color-text);
    font-weight: 600;
}

.role-cards {
    display: grid;
    gap: var(--space-lg);
}

@media (min-width: 600px) {
    .role-cards {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-xl);
    }
}

.role-card {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    overflow: hidden;
    text-align: left;
}

@media (min-width: 840px) {
    .role-card {
        padding: var(--space-2xl);
    }
}

.role-card::before {
    content: "";
    position: absolute;
    inset: 0 0 auto 0;
    height: 0.25rem;
    background: linear-gradient(90deg, var(--blue-600), var(--blue-300));
}

.role-card.partners::before {
    background: linear-gradient(90deg, var(--yellow-500), var(--yellow-300));
}

.role-card h3 {
    margin-top: var(--space-xs);
    font: var(--text-title1);
    letter-spacing: var(--tracking-title1);
}

.role-card p {
    color: var(--color-text-muted);
}

.role-card-more {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    margin-top: auto;
    padding-top: var(--space-sm);
    font: var(--text-callout);
    font-weight: 600;
    color: var(--color-primary-text);
}

.role-card.partners .role-card-more {
    color: var(--color-accent-text);
}

.role-card-more svg {
    width: 1rem;
    height: 1rem;
    fill: none;
    stroke: currentColor;
    stroke-width: 2;
    transition: transform var(--duration-fast) var(--easing);
}

.role-card:hover .role-card-more svg {
    transform: translateX(0.25rem);
}

/* ---------- How it works ---------- */

.role-switch {
    display: flex;
    justify-content: center;
    margin-bottom: var(--space-2xl);
}

.role-panel {
    display: flex;
    flex-direction: column;
    gap: var(--space-xl);
}

.role-panel[hidden] {
    display: none;
}

.role-panel.is-entering {
    animation: panel-in var(--duration-slow) var(--easing);
}

@keyframes panel-in {
    from {
        opacity: 0;
        transform: translateY(0.5rem);
    }
}

.role-panel-head h3 {
    font: var(--text-title1);
    letter-spacing: var(--tracking-title1);
}

.role-panel-head {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
    text-align: center;
}

.role-panel-head p {
    color: var(--color-text-muted);
}

.role-panel .step-progress {
    width: 100%;
    max-width: 26.25rem;
    margin-inline: auto;
    align-items: center;
}

.steps-grid {
    display: grid;
    gap: var(--space-lg);
}

@media (min-width: 600px) {
    .steps-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (min-width: 1280px) {
    .steps-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.step-card {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.step-card-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-xs);
}

.step-card h4 {
    font: var(--text-title2);
    letter-spacing: var(--tracking-title2);
    color: var(--color-text);
}

.step-card p {
    color: var(--color-text-muted);
}

/* ---------- Final CTA ---------- */

.home-cta .store-badges {
    margin-top: 0;
}

.home-cta .store-badges img {
    height: 3rem;
}