/* ============================================================
   Aube Component Library
   HTML/CSS port of Flutter atoms + molecules.
   ============================================================ */

/* ---------- Eyebrow / Section headers ---------- */
.aube-eyebrow {
    display: inline-block;
    font-family: var(--font-sans);
    font-size: var(--text-overline-size);
    font-weight: var(--text-overline-weight);
    letter-spacing: var(--text-overline-tracking);
    text-transform: uppercase;
    color: var(--color-accent-strong);
}

.aube-section-header {
    max-width: 48rem;
    margin-inline: auto;
    text-align: center;
}
.aube-section-header--start {
    text-align: start;
    margin-inline: 0;
}
.aube-section-header__title {
    margin-block: 0.5rem 0.75rem;
    font-family: var(--font-serif);
}
.aube-section-header__lead {
    margin: 0;
    font-size: var(--text-body-lg-size);
    line-height: var(--text-body-lg-line);
    color: var(--color-text-secondary);
}

/* ---------- Buttons ---------- */
.aube-btn {
    --btn-pad-y: 0.625rem;
    --btn-pad-x: 1.25rem;
    --btn-font: var(--text-label-lg-size);
    --btn-bg: var(--color-text-primary);
    --btn-fg: var(--color-background);
    --btn-border: var(--color-text-primary);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: var(--btn-pad-y) var(--btn-pad-x);
    border-radius: var(--radius-pill);
    background: var(--btn-bg);
    color: var(--btn-fg);
    border: 1px solid var(--btn-border);
    font-family: var(--font-sans);
    font-size: var(--btn-font);
    font-weight: 600;
    line-height: 1.2;
    text-decoration: none;
    cursor: pointer;
    transition:
        background var(--motion-fast) var(--ease-standard),
        color var(--motion-fast) var(--ease-standard),
        border-color var(--motion-fast) var(--ease-standard),
        transform var(--motion-micro) var(--ease-standard),
        box-shadow var(--motion-fast) var(--ease-standard);
    white-space: nowrap;
    user-select: none;
    -webkit-user-select: none;
}
.aube-btn:hover { color: var(--btn-fg); transform: translateY(-1px); box-shadow: var(--shadow-md); }
.aube-btn:active { transform: translateY(0); box-shadow: var(--shadow-sm); }
.aube-btn[disabled], .aube-btn[aria-disabled="true"] {
    opacity: 0.55;
    cursor: not-allowed;
    pointer-events: none;
}

.aube-btn--primary {
    --btn-bg: var(--color-text-primary);
    --btn-fg: var(--color-background);
    --btn-border: var(--color-text-primary);
}
.aube-btn--accent {
    --btn-bg: var(--color-accent);
    --btn-fg: var(--color-text-on-accent);
    --btn-border: var(--color-accent);
}
.aube-btn--peach {
    --btn-bg: var(--color-accent-soft);
    --btn-fg: var(--color-text-on-accent);
    --btn-border: var(--color-accent-soft);
}
.aube-btn--outline {
    --btn-bg: transparent;
    --btn-fg: var(--color-text-primary);
    --btn-border: var(--color-border-strong);
}
.aube-btn--outline:hover { --btn-bg: var(--color-surface-muted); }
.aube-btn--ghost {
    --btn-bg: transparent;
    --btn-fg: var(--color-text-primary);
    --btn-border: transparent;
}
.aube-btn--ghost:hover { --btn-bg: var(--color-surface-muted); }
.aube-btn--destructive {
    --btn-bg: var(--aube-error);
    --btn-fg: #FFF;
    --btn-border: var(--aube-error);
}
.aube-btn--inverse-outline {
    --btn-bg: transparent;
    --btn-fg: var(--aube-cream);
    --btn-border: rgba(247, 241, 232, 0.32);
}
.aube-btn--inverse-outline:hover { --btn-bg: rgba(247, 241, 232, 0.1); }

.aube-btn--sm { --btn-pad-y: 0.4375rem; --btn-pad-x: 0.875rem; --btn-font: 0.8125rem; }
.aube-btn--md { --btn-pad-y: 0.625rem; --btn-pad-x: 1.25rem; --btn-font: var(--text-label-lg-size); }
.aube-btn--lg { --btn-pad-y: 0.875rem; --btn-pad-x: 1.75rem; --btn-font: 1rem; }

.aube-btn--block { display: flex; width: 100%; }
.aube-btn .icon { width: 1em; height: 1em; flex-shrink: 0; }

/* ---------- Cards ---------- */
.aube-card {
    background: var(--color-surface);
    color: var(--color-text-primary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    box-shadow: var(--shadow-sm);
    transition:
        transform var(--motion-base) var(--ease-standard),
        box-shadow var(--motion-base) var(--ease-standard),
        border-color var(--motion-base) var(--ease-standard);
}
.aube-card--surface { background: var(--color-surface); }
.aube-card--muted   { background: var(--color-surface-muted); border-color: transparent; }
.aube-card--outline { background: transparent; box-shadow: none; }
.aube-card--accent {
    background: var(--color-accent-soft);
    color: var(--color-text-on-accent);
    border-color: transparent;
}
/* Inverse card — always dark in both light and dark themes (intentional contrast surface) */
.aube-card--inverse {
    background: #1A130D;
    color: #F7F1E8;
    border-color: rgba(247, 241, 232, 0.08);
}
.aube-card--inverse h2,
.aube-card--inverse h3,
.aube-card--inverse h4 { color: #F7F1E8; }
.aube-card--inverse p,
.aube-card--inverse li,
.aube-card--inverse span { color: #EAD9BE; }
.aube-card--inverse strong { color: #F7F1E8; }

.aube-card--interactive { cursor: pointer; }
.aube-card--interactive:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-border-strong);
}

.aube-card--hero {
    padding: clamp(1.5rem, 4vw, 2.5rem);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-editorial);
}

.aube-card__title {
    font-family: var(--font-serif);
    font-size: var(--text-title-lg-size);
    margin: 0 0 var(--space-sm);
}
.aube-card__sub {
    color: var(--color-text-secondary);
    font-size: var(--text-body-md-size);
    margin: 0;
}

/* ---------- Badges ---------- */
.aube-badge {
    --badge-bg: var(--color-surface-muted);
    --badge-fg: var(--color-text-primary);
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.1875rem 0.5rem;
    background: var(--badge-bg);
    color: var(--badge-fg);
    border-radius: var(--radius-sm);
    font-size: var(--text-label-md-size);
    font-weight: var(--text-label-md-weight);
    line-height: 1.3;
    white-space: nowrap;
}
.aube-badge--accent  { --badge-bg: var(--color-accent-soft); --badge-fg: var(--color-text-on-accent); }
.aube-badge--inverse { --badge-bg: var(--color-text-primary); --badge-fg: var(--color-background); }
.aube-badge--success { --badge-bg: var(--color-success-bg); --badge-fg: var(--aube-success); }
.aube-badge--warning { --badge-bg: var(--color-warning-bg); --badge-fg: var(--aube-warning); }
.aube-badge--error   { --badge-bg: var(--color-error-bg); --badge-fg: var(--aube-error); }
.aube-badge--info    { --badge-bg: var(--color-info-bg); --badge-fg: var(--aube-info); }

/* ---------- Chips ---------- */
.aube-chip {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.4375rem 0.875rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-pill);
    background: var(--color-surface);
    color: var(--color-text-secondary);
    font-size: var(--text-label-lg-size);
    font-weight: 500;
    line-height: 1.2;
    text-decoration: none;
    transition:
        background var(--motion-fast) var(--ease-standard),
        color var(--motion-fast) var(--ease-standard),
        border-color var(--motion-fast) var(--ease-standard);
    white-space: nowrap;
}
.aube-chip:hover {
    color: var(--color-text-primary);
    border-color: var(--color-border-strong);
}
.aube-chip[aria-pressed="true"], .aube-chip--active {
    background: var(--color-text-primary);
    color: var(--color-background);
    border-color: var(--color-text-primary);
}
.aube-chip .icon { width: 0.875em; height: 0.875em; }

/* ---------- Premium pill ---------- */
.aube-pill-premium {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.4375rem 0.875rem;
    background: #F0C9A8;
    color: #1A130D;
    border-radius: var(--radius-pill);
    font-size: var(--text-label-md-size);
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    text-decoration: none;
    transition: transform var(--motion-fast) var(--ease-standard);
}
.aube-pill-premium:hover { transform: translateY(-1px); color: #1A130D; }
.aube-pill-premium .aube-sparkle { color: #1A130D; }
.aube-card--inverse .aube-pill-premium,
.aube-card--inverse .aube-pill-premium span,
.aube-card--inverse .aube-pill-premium .aube-sparkle { color: #1A130D !important; }

/* ---------- Sparkle ---------- */
.aube-sparkle {
    display: inline-block;
    width: 1em;
    height: 1em;
    flex-shrink: 0;
    vertical-align: -0.125em;
}

/* ---------- Progress ring ---------- */
.aube-progress-ring {
    --size: 3.5rem;
    --stroke: 4px;
    width: var(--size);
    height: var(--size);
    position: relative;
    display: inline-grid;
    place-items: center;
}
.aube-progress-ring svg {
    transform: rotate(-90deg);
    width: 100%;
    height: 100%;
}
.aube-progress-ring circle {
    fill: none;
    stroke-width: var(--stroke);
}
.aube-progress-ring__track { stroke: var(--color-border); }
.aube-progress-ring__bar {
    stroke: var(--color-accent);
    stroke-linecap: round;
    transition: stroke-dashoffset var(--motion-base) var(--ease-decelerate);
}
.aube-progress-ring__label {
    position: absolute;
    inset: 0;
    display: grid;
    place-items: center;
    font-size: var(--text-label-md-size);
    font-weight: 600;
    color: var(--color-text-primary);
}

/* ---------- Segmented (theme toggle, tabs) ---------- */
.aube-segmented {
    display: inline-flex;
    background: var(--color-surface-muted);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-pill);
    padding: 3px;
    gap: 2px;
}
.aube-segmented__option {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.375rem 0.75rem;
    border-radius: var(--radius-pill);
    background: transparent;
    color: var(--color-text-secondary);
    font-size: var(--text-label-md-size);
    font-weight: 600;
    line-height: 1;
    transition:
        background var(--motion-fast) var(--ease-standard),
        color var(--motion-fast) var(--ease-standard);
    cursor: pointer;
    border: 0;
}
.aube-segmented__option:hover { color: var(--color-text-primary); }
.aube-segmented__option[aria-pressed="true"],
.aube-segmented__option[aria-selected="true"] {
    background: var(--color-surface);
    color: var(--color-text-primary);
    box-shadow: var(--shadow-sm);
}
.aube-segmented__option .icon { width: 0.9em; height: 0.9em; }

/* ---------- Modal ---------- */
.aube-modal {
    border: 0;
    padding: 0;
    background: transparent;
    color: inherit;
    margin: auto;
    max-width: min(36rem, 92vw);
    width: 100%;
}
.aube-modal::backdrop {
    background: var(--color-overlay);
    backdrop-filter: blur(4px);
}
.aube-modal__panel {
    background: var(--color-surface);
    color: var(--color-text-primary);
    border-radius: var(--radius-xl);
    padding: var(--space-2xl);
    box-shadow: var(--shadow-editorial);
}
.aube-modal__title {
    font-family: var(--font-serif);
    font-size: var(--text-h3-size);
    margin: 0 0 var(--space-md);
}

/* ---------- List row ---------- */
.aube-row {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
    padding: var(--space-lg);
    border-radius: var(--radius-md);
    transition: background var(--motion-fast) var(--ease-standard);
}
.aube-row:hover { background: var(--color-surface-muted); }
.aube-row__icon {
    flex-shrink: 0;
    width: 2.25rem;
    height: 2.25rem;
    display: grid;
    place-items: center;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-accent-strong);
}
.aube-row__icon .icon { width: 1.125rem; height: 1.125rem; }
.aube-row__body { flex: 1; min-width: 0; }
.aube-row__title {
    font-family: var(--font-serif);
    font-size: var(--text-title-md-size);
    color: var(--color-text-primary);
    display: block;
}
.aube-row__sub {
    display: block;
    margin-top: 2px;
    font-size: var(--text-body-sm-size);
    color: var(--color-text-secondary);
}
.aube-row__trail { flex-shrink: 0; color: var(--color-text-muted); }

/* ---------- Stat ---------- */
.aube-stat {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}
.aube-stat--center { align-items: center; text-align: center; }
.aube-stat__value {
    font-family: var(--font-serif);
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: 500;
    line-height: 1;
    color: var(--color-text-primary);
    letter-spacing: -0.02em;
    font-feature-settings: "tnum" 1;
}
.aube-stat__label {
    font-size: var(--text-label-md-size);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--color-text-muted);
}

/* ---------- Feature card ---------- */
.aube-feature {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    height: 100%;
}
.aube-feature__icon {
    width: 2.75rem;
    height: 2.75rem;
    display: grid;
    place-items: center;
    border-radius: var(--radius-md);
    background: var(--color-surface-muted);
    color: var(--color-accent-strong);
}
.aube-feature__icon--accent {
    background: var(--color-accent-soft);
    color: var(--color-text-on-accent);
}
.aube-feature__icon .icon { width: 1.375rem; height: 1.375rem; }
.aube-feature__title {
    font-family: var(--font-serif);
    font-size: var(--text-title-lg-size);
    margin: 0;
}
.aube-feature__desc {
    margin: 0;
    color: var(--color-text-secondary);
    font-size: var(--text-body-md-size);
    line-height: 1.6;
}
.aube-feature__list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    color: var(--color-text-secondary);
    font-size: var(--text-body-md-size);
}
.aube-feature__list li {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
}
.aube-feature__list .icon {
    flex-shrink: 0;
    width: 1rem;
    height: 1rem;
    margin-top: 0.2rem;
    color: var(--color-accent);
}

/* ---------- Screenshot placeholder ---------- */
.aube-screenshot-placeholder {
    --frame-radius: var(--radius-xl);
    position: relative;
    width: 100%;
    border-radius: var(--frame-radius);
    background: linear-gradient(135deg, #FBEEDB 0%, #F4D6B8 60%, #ECB594 100%);
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-editorial);
    overflow: hidden;
    display: grid;
    place-items: center;
}
.aube-screenshot-placeholder::after {
    content: attr(data-label);
    position: absolute;
    inset-block-end: var(--space-md);
    inset-inline-start: 50%;
    transform: translateX(-50%);
    padding: 0.375rem 0.75rem;
    background: rgba(43, 33, 24, 0.55);
    color: var(--aube-cream);
    font-size: var(--text-label-md-size);
    font-weight: 600;
    border-radius: var(--radius-pill);
    backdrop-filter: blur(8px);
    white-space: nowrap;
}
[dir="rtl"] .aube-screenshot-placeholder::after { transform: translateX(50%); }
.aube-screenshot-placeholder--phone   { aspect-ratio: 9 / 19.5; max-width: 18rem; margin-inline: auto; }
.aube-screenshot-placeholder--tablet  { aspect-ratio: 4 / 5.4; max-width: 24rem; margin-inline: auto; }
.aube-screenshot-placeholder--desktop { aspect-ratio: 16 / 10; }
.aube-screenshot-placeholder__sparkle {
    width: 32%;
    height: 32%;
    color: rgba(255, 255, 255, 0.6);
    opacity: 0.7;
}

/* ---------- Platform badge ---------- */
.aube-platform-badge {
    display: inline-flex;
    align-items: center;
    transition: transform var(--motion-fast) var(--ease-standard);
}
.aube-platform-badge:hover { transform: translateY(-2px); }
.aube-platform-badge img { height: 2.75rem; width: auto; }

.aube-platform-badge--card {
    flex-direction: column;
    gap: var(--space-sm);
    padding: var(--space-lg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    background: var(--color-surface);
    color: var(--color-text-primary);
    text-decoration: none;
    text-align: center;
}
.aube-platform-badge--card:hover {
    border-color: var(--color-border-strong);
    box-shadow: var(--shadow-md);
    color: var(--color-text-primary);
}
.aube-platform-badge--card .icon { width: 1.75rem; height: 1.75rem; color: var(--color-accent-strong); }

/* ---------- FAQ ---------- */
.aube-faq {
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    background: var(--color-surface);
    overflow: hidden;
    transition: border-color var(--motion-fast) var(--ease-standard);
}
.aube-faq + .aube-faq { margin-top: var(--space-md); }
.aube-faq[open] { border-color: var(--color-border-strong); }
.aube-faq__summary {
    list-style: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-lg) var(--space-xl);
    font-family: var(--font-serif);
    font-size: var(--text-title-md-size);
    color: var(--color-text-primary);
    user-select: none;
}
.aube-faq__summary::-webkit-details-marker { display: none; }
.aube-faq__summary::marker { content: ""; }
.aube-faq__summary::after {
    content: "";
    margin-inline-start: auto;
    width: 1.125rem;
    height: 1.125rem;
    background: currentColor;
    -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E") center/contain no-repeat;
            mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E") center/contain no-repeat;
    transition: transform var(--motion-fast) var(--ease-standard);
}
.aube-faq[open] .aube-faq__summary::after { transform: rotate(180deg); }
.aube-faq__body {
    padding: 0 var(--space-xl) var(--space-xl);
    color: var(--color-text-secondary);
    font-size: var(--text-body-md-size);
    line-height: 1.65;
}
.aube-faq__body > p:first-child { margin-top: 0; }

/* ---------- Marquee ---------- */
.aube-marquee {
    --marquee-duration: 40s;
    overflow: hidden;
    -webkit-mask-image: linear-gradient(to right, transparent, black 8%, black 92%, transparent);
            mask-image: linear-gradient(to right, transparent, black 8%, black 92%, transparent);
}
.aube-marquee__track {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2xl);
    padding-block: var(--space-lg);
    animation: aube-marquee-scroll var(--marquee-duration) linear infinite;
    white-space: nowrap;
}
.aube-marquee__item {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    font-family: var(--font-serif);
    font-size: 1.125rem;
    color: var(--color-text-secondary);
    letter-spacing: 0.02em;
}
.aube-marquee__item::before {
    content: "✦";
    color: var(--color-accent);
    font-size: 0.875em;
}
@keyframes aube-marquee-scroll {
    from { transform: translateX(0); }
    to   { transform: translateX(-50%); }
}
[dir="rtl"] .aube-marquee__track { animation-direction: reverse; }
@media (prefers-reduced-motion: reduce) {
    .aube-marquee__track { animation: none; flex-wrap: wrap; white-space: normal; }
}

/* ---------- Divider ---------- */
.aube-divider {
    border: 0;
    border-top: 1px solid var(--color-border);
    margin: 0;
}

/* ---------- Icons ---------- */
.icon {
    display: inline-block;
    width: 1.25rem;
    height: 1.25rem;
    flex-shrink: 0;
    fill: currentColor;
    color: inherit;
    vertical-align: -0.15em;
}
.icon--sm { width: 1rem; height: 1rem; }
.icon--lg { width: 1.5rem; height: 1.5rem; }
.icon--xl { width: 2rem; height: 2rem; }

/* ---------- Empty state ---------- */
.aube-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: var(--space-3xl) var(--space-xl);
    gap: var(--space-md);
}
.aube-empty__icon {
    width: 4.5rem;
    height: 4.5rem;
    display: grid;
    place-items: center;
    border-radius: var(--radius-pill);
    background: var(--color-accent-soft);
    color: var(--color-text-on-accent);
}
.aube-empty__title {
    font-family: var(--font-serif);
    font-size: var(--text-h3-size);
    margin: 0;
}
.aube-empty__desc {
    color: var(--color-text-secondary);
    margin: 0;
    max-width: 32rem;
}

/* ---------- Trust strip ---------- */
.aube-trust {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-lg) var(--space-xl);
    align-items: center;
    color: var(--color-text-secondary);
    font-size: var(--text-body-sm-size);
}
.aube-trust__item {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
}
.aube-trust__item .icon { color: var(--color-accent); }

/* ---------- Fade in ---------- */
.fade-in-up { animation: aube-fade-in 0.6s var(--ease-decelerate) both; }
@keyframes aube-fade-in {
    from { opacity: 0; transform: translateY(16px); }
    to   { opacity: 1; transform: translateY(0); }
}
.delay-1 { animation-delay: 0.08s; }
.delay-2 { animation-delay: 0.16s; }
.delay-3 { animation-delay: 0.24s; }
.delay-4 { animation-delay: 0.32s; }
.delay-5 { animation-delay: 0.40s; }
@media (prefers-reduced-motion: reduce) {
    .fade-in-up { animation: none; }
}