/* global.css — global layout, typography, buttons, tables, lists */

body {
    font-family: var(--font-family);
    font-size: var(--fs-body);
    font-weight: var(--fw-normal);
    color: var(--color-text);
    background-color: var(--color-bg-primary);
    display: flex;
    flex-direction: column;
}

/* ---- Container ---- */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin-inline: auto;
    padding-inline: clamp(1rem, 0.5rem + 2vw, 2.5rem);
}

main {
    flex: 1 0 auto;
    padding-block: var(--space-section);
}

main > .container > * + * {
    margin-top: var(--space-section);
}

/* ---- Typography ---- */
h1,
h2,
h3 {
    color: var(--color-heading);
    line-height: 1.2;
    font-weight: var(--fw-extra);
}

h1 {
    font-size: var(--fs-h1);
}

h2 {
    font-size: var(--fs-h2);
    font-weight: var(--fw-bold);
}

h3 {
    font-size: var(--fs-h3);
    font-weight: var(--fw-bold);
    color: var(--color-white);
}

p {
    color: var(--color-text);
}

a {
    color: var(--color-accent-yellow);
    transition: color var(--transition-base);
}

a:hover {
    color: var(--color-heading);
}

strong {
    color: var(--color-white);
    font-weight: var(--fw-semibold);
}

/* ---- Skip link ---- */
.skip-link {
    position: absolute;
    left: 0.5rem;
    top: -100px;
    z-index: 1000;
    background: var(--gradient-primary);
    color: var(--color-btn-text);
    padding: 0.6rem 1.2rem;
    border-radius: var(--radius-card);
    font-weight: var(--fw-bold);
    transition: top var(--transition-base);
}

.skip-link:focus {
    top: 0.5rem;
}

/* ---- Focus visibility ---- */
:focus-visible {
    outline: 3px solid var(--color-accent-yellow);
    outline-offset: 2px;
    border-radius: 3px;
}

/* ---- Buttons ---- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.75rem;
    border-radius: var(--radius-pill);
    font-weight: var(--fw-bold);
    font-size: var(--fs-body);
    line-height: 1.2;
    text-align: center;
    transition: transform var(--transition-base), box-shadow var(--transition-base), background-color var(--transition-base), color var(--transition-base);
}

.btn--primary {
    background: var(--gradient-primary);
    color: var(--color-btn-text);
    box-shadow: var(--shadow-soft);
}

.btn--primary:hover {
    color: var(--color-btn-text);
    transform: translateY(-2px);
    box-shadow: 0 8px 22px rgba(255, 176, 0, 0.4);
}

.btn--secondary {
    background: transparent;
    border: 2px solid var(--color-btn-border);
    color: var(--color-accent-yellow);
}

.btn--secondary:hover {
    background: rgba(255, 191, 22, 0.12);
    color: var(--color-heading);
}

.btn--blue {
    background: var(--color-blue);
    color: var(--color-white);
}

.btn--blue:hover {
    color: var(--color-white);
    transform: translateY(-2px);
    box-shadow: 0 8px 22px rgba(23, 152, 245, 0.4);
}

/* ---- Rich lists inside content ---- */
.content-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    padding-left: 0;
}

.content-list li {
    position: relative;
    padding-left: 1.6rem;
    color: var(--color-text);
}

.content-list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.6em;
    width: 0.55rem;
    height: 0.55rem;
    background: var(--color-accent-yellow);
    border-radius: 2px;
    transform: rotate(45deg);
}

.content-list--check li::before {
    background: var(--color-blue);
}

/* ---- Tables ---- */
.data-table-wrap {
    overflow-x: auto;
    border-radius: var(--radius-card);
    box-shadow: var(--shadow-soft);
}

.data-table {
    width: 100%;
    background: var(--color-card);
    border-radius: var(--radius-card);
    overflow: hidden;
    font-size: var(--fs-small);
}

.data-table caption {
    caption-side: top;
    text-align: left;
    color: var(--color-heading);
    font-weight: var(--fw-bold);
    padding: 0.75rem 1rem;
    font-size: var(--fs-body);
}

.data-table th,
.data-table td {
    padding: 0.75rem 1rem;
    text-align: left;
    vertical-align: top;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.data-table thead th {
    background: var(--color-bg-dark);
    color: var(--color-white);
    font-weight: var(--fw-semibold);
    white-space: nowrap;
}

.data-table tbody th {
    color: var(--color-white);
    font-weight: var(--fw-semibold);
    width: 34%;
}

.data-table tbody tr:nth-child(even) td,
.data-table tbody tr:nth-child(even) th {
    background: rgba(0, 0, 0, 0.12);
}

.data-table tbody tr:last-child th,
.data-table tbody tr:last-child td {
    border-bottom: none;
}

/* ---- Breadcrumb ---- */
.breadcrumb__list {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.4rem;
    font-size: var(--fs-small);
}

.breadcrumb__link {
    color: var(--color-text);
}

.breadcrumb__link:hover {
    color: var(--color-heading);
}

.breadcrumb__sep {
    color: var(--color-text);
    opacity: 0.6;
}

.breadcrumb__current {
    color: var(--color-heading);
    font-weight: var(--fw-semibold);
}

/* ---- Contextual in-text internal links ---- */
.content-link {
    color: var(--color-blue);
    text-decoration: underline;
    text-decoration-thickness: 1px;
    text-underline-offset: 3px;
    font-weight: var(--fw-semibold);
    transition: color var(--transition-base);
}

.content-link:hover,
.content-link:focus-visible {
    color: var(--color-accent-yellow);
}

/* ---- Page intro block ---- */
.intro > * + * {
    margin-top: var(--space-paragraph);
}

.section-lead,
.intro p {
    max-width: none;
    width: 100%;
}

/* ---- Utility ---- */
.visually-hidden {
    position: absolute !important;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* ---- Scroll-to-top ---- */
.scroll-top {
    position: fixed;
    right: 1.25rem;
    bottom: 1.25rem;
    z-index: 90;
    width: 3rem;
    height: 3rem;
    display: grid;
    place-items: center;
    border-radius: 50%;
    background: var(--gradient-primary);
    color: var(--color-btn-text);
    box-shadow: var(--shadow-card);
    opacity: 0;
    visibility: hidden;
    transform: translateY(12px);
    transition: opacity var(--transition-base), transform var(--transition-base), visibility var(--transition-base);
}

.scroll-top--visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.scroll-top svg {
    width: 1.35rem;
    height: 1.35rem;
}

/* ---- Fade-in on scroll ---- */
.fade-in {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.6s ease, transform 0.6s ease;
    will-change: opacity, transform;
}

.fade-in.is-visible {
    opacity: 1;
    transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
    .fade-in {
        opacity: 1;
        transform: none;
    }
}

/* ---- Two-column download / split layout ---- */
.download-grid {
    display: grid;
    gap: var(--space-grid-gap);
    grid-template-columns: 1fr;
}

.download-grid__col {
    background: var(--color-card);
    border-radius: var(--radius-card);
    padding: var(--space-card-padding);
    display: flex;
    flex-direction: column;
    gap: var(--space-h3-text);
}

.download-grid__col h3 {
    margin: 0;
}

.download-grid__col .btn {
    margin-top: auto;
    align-self: flex-start;
}

@media (min-width: 768px) {
    .download-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* ---- 404 error page ---- */
.error-page {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 1rem;
    padding-block: clamp(2rem, 6vw, 5rem);
}

.error-page__code {
    font-size: clamp(5rem, 12vw, 9rem);
    font-weight: var(--fw-extra);
    line-height: 1;
    color: var(--color-heading);
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
}

.error-page__title {
    color: var(--color-white);
}

.error-page__text {
    color: var(--color-text);
    max-width: 52ch;
}

.error-page__cta {
    margin-top: 0.75rem;
}

/* ---- Platform (Android / iOS) icon in split cards ---- */
.platform-icon {
    width: 3.5rem;
    height: auto;
    border-radius: 10px;
}

.platform-card__head {
    display: flex;
    align-items: center;
    gap: 0.9rem;
}

.platform-card__head h3 {
    margin: 0;
}

/* ---- Bonus cards grid (Bonus page) ---- */
.bonus-cards {
    display: grid;
    gap: var(--space-grid-gap);
    grid-template-columns: 1fr;
}

.bonus-card {
    display: flex;
    flex-direction: column;
    background: var(--color-card);
    border-radius: var(--radius-card);
    overflow: hidden;
    box-shadow: var(--shadow-soft);
}

.bonus-card__media {
    background: var(--color-bg-dark);
    padding: 0.5rem;
}

/* Bonus images display in full, never cropped */
.bonus-card__img {
    width: 100%;
    height: auto;
    object-fit: contain;
    border-radius: 4px;
}

.bonus-card__body {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
    padding: var(--space-card-padding);
    flex: 1;
}

.bonus-card__title {
    color: var(--color-heading);
    font-size: var(--fs-h3);
    font-weight: var(--fw-bold);
}

.bonus-card__text {
    color: var(--color-text);
    font-size: var(--fs-small);
    flex: 1;
}

.bonus-card__btn {
    align-self: flex-start;
    margin-top: 0.25rem;
    padding: 0.5rem 1.25rem;
    font-size: var(--fs-small);
}

@media (min-width: 480px) {
    .bonus-cards {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .bonus-cards {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* ---- Generic responsive card grids reused across pages ---- */
.card-grid {
    display: grid;
    gap: var(--space-grid-gap);
    grid-template-columns: 1fr;
}

@media (min-width: 480px) {
    .card-grid--2 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 768px) {
    .card-grid--2 {
        grid-template-columns: repeat(2, 1fr);
    }
}