/* ═══════════════════════════════════════════════════════════
   Shoe Finder — Imports Club
   Premium interactive quiz to find the perfect pair
   ═══════════════════════════════════════════════════════════ */

/* ── Variables ─────────────────────────────────────────── */
.ic-sf {
    --sf-bg: #fafafa;
    --sf-surface: #ffffff;
    --sf-text: #111111;
    --sf-text-secondary: #666666;
    --sf-text-muted: #999999;
    --sf-border: #e8e8e8;
    --sf-accent: #111111;
    --sf-accent-hover: #333333;
    --sf-radius: 16px;
    --sf-radius-sm: 10px;
    --sf-transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --sf-shadow: 0 2px 12px rgba(0,0,0,0.06);
    --sf-shadow-hover: 0 8px 32px rgba(0,0,0,0.1);
    --sf-container: 1200px;
}

/* ── Base ──────────────────────────────────────────────── */
.ic-sf {
    min-height: 100vh;
    background: var(--sf-bg);
    padding: 0 0 80px;
}

/* ── Progress Bar ─────────────────────────────────────── */
.ic-sf__progress {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(255,255,255,0.92);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    padding: 16px 24px;
    border-bottom: 1px solid var(--sf-border);
}

.ic-sf__progress-track {
    max-width: var(--sf-container);
    margin: 0 auto 12px;
    height: 3px;
    background: var(--sf-border);
    border-radius: 3px;
    overflow: hidden;
}

.ic-sf__progress-fill {
    height: 100%;
    width: 0%;
    background: var(--sf-accent);
    border-radius: 3px;
    transition: width 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.ic-sf__progress-steps {
    max-width: var(--sf-container);
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    gap: 4px;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
}

.ic-sf__progress-steps::-webkit-scrollbar {
    display: none;
}

.ic-sf__progress-dot {
    display: flex;
    align-items: center;
    gap: 6px;
    background: transparent;
    border: none;
    padding: 6px 10px;
    cursor: pointer;
    transition: all var(--sf-transition);
    font-family: inherit;
    white-space: nowrap;
    border-radius: 24px;
    color: #888;
}

.ic-sf__progress-dot.active {
    background: rgba(0,0,0,0.06);
    color: var(--sf-text);
}

.ic-sf__progress-dot.completed {
    color: #666;
}

.ic-sf__progress-num {
    width: 26px;
    height: 26px;
    min-width: 26px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: #e5e5e5;
    font-size: 11px;
    font-weight: 600;
    color: #888;
    transition: all var(--sf-transition);
}

.ic-sf__progress-dot.active .ic-sf__progress-num {
    background: var(--sf-accent);
    color: #fff;
    box-shadow: 0 0 0 3px rgba(0,0,0,0.08);
}

.ic-sf__progress-dot.completed .ic-sf__progress-num {
    background: #666;
    color: #fff;
}

.ic-sf__progress-label {
    font-size: 12px;
    font-weight: 500;
    color: inherit;
    letter-spacing: 0.02em;
    transition: color var(--sf-transition);
    white-space: nowrap;
}

.ic-sf__progress-dot.active .ic-sf__progress-label {
    font-weight: 600;
}

.ic-sf__progress-dot.completed .ic-sf__progress-label {
    color: inherit;
}

/* ── Steps Container ──────────────────────────────────── */
.ic-sf__steps {
    max-width: var(--sf-container);
    margin: 0 auto;
    padding: 0 24px;
    position: relative;
}

.ic-sf__step {
    display: none;
    animation: icSfFadeIn 0.4s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

.ic-sf__step.active {
    display: block;
}

@keyframes icSfFadeIn {
    from {
        opacity: 0;
        transform: translateY(16px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ── Step Header ──────────────────────────────────────── */
.ic-sf__step-header {
    text-align: center;
    padding: 48px 0 36px;
}

.ic-sf__step-tag {
    display: inline-block;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--sf-text-muted);
    margin-bottom: 12px;
}

.ic-sf__title {
    font-family: 'Instrument Sans', sans-serif;
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 700;
    color: var(--sf-text);
    margin: 0 0 8px;
    letter-spacing: -0.02em;
    line-height: 1.15;
}

.ic-sf__subtitle {
    font-size: 15px;
    color: var(--sf-text-secondary);
    margin: 0;
    line-height: 1.5;
}

/* ── Gender Cards ─────────────────────────────────────── */
.ic-sf__gender-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    max-width: 1020px;
    margin: 0 auto;
}

.ic-sf__gender-card {
    position: relative;
    border: none;
    background: var(--sf-surface);
    border-radius: var(--sf-radius);
    overflow: hidden;
    cursor: pointer;
    aspect-ratio: 3/4;
    max-height: 380px;
    transition: all var(--sf-transition);
    box-shadow: var(--sf-shadow);
    font-family: inherit;
}

.ic-sf__gender-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--sf-shadow-hover);
}

.ic-sf__gender-card:active {
    transform: translateY(-2px);
}

.ic-sf__gender-img {
    position: absolute;
    inset: 0;
}

.ic-sf__gender-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.ic-sf__gender-card:hover .ic-sf__gender-img img {
    transform: scale(1.05);
}

.ic-sf__gender-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.6) 0%, rgba(0,0,0,0.1) 50%, transparent 100%);
}

.ic-sf__gender-info {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 32px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    color: #fff;
}

.ic-sf__gender-info h2 {
    font-family: 'Instrument Sans', sans-serif;
    font-size: clamp(1.25rem, 3vw, 1.75rem);
    font-weight: 700;
    margin: 0;
    letter-spacing: -0.01em;
}

.ic-sf__gender-arrow {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(255,255,255,0.2);
    backdrop-filter: blur(8px);
    transition: all var(--sf-transition);
}

.ic-sf__gender-card:hover .ic-sf__gender-arrow {
    background: rgba(255,255,255,0.35);
    transform: translateX(3px);
}

/* ── Unisex Card ──────────────────────────────────────── */
.ic-sf__gender-card--unisex {
    background: linear-gradient(160deg, #111 0%, #2a2a2a 60%, #1a1a1a 100%);
}

.ic-sf__gender-unisex-icon {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    padding-bottom: 56px;
}

.ic-sf__gender-unisex-icon svg {
    opacity: 0.45;
    transition: opacity var(--sf-transition), transform var(--sf-transition);
}

.ic-sf__gender-card--unisex:hover .ic-sf__gender-unisex-icon svg {
    opacity: 0.68;
    transform: scale(1.08);
}

/* ── Skip Button ──────────────────────────────────────── */
.ic-sf__gender-card.ic-sf__gender-card--skip {
    grid-column: 1 / -1;
    aspect-ratio: auto;
    max-height: none;
    padding: 16px 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #ffffff;
    border: 1px dashed #ccc;
    box-shadow: none;
}

.ic-sf__gender-card.ic-sf__gender-card--skip:hover {
    transform: none;
    background: #f5f5f5;
    border-style: solid;
    box-shadow: none;
}

.ic-sf__gender-skip-content {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    font-weight: 500;
    color: #555;
}

/* ── Brand Cards ──────────────────────────────────────── */
.ic-sf__brand-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 16px;
    max-width: 1000px;
    margin: 0 auto;
}

.ic-sf__brand-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    padding: 24px 16px;
    background: var(--sf-surface);
    border: 2px solid transparent;
    border-radius: var(--sf-radius);
    cursor: pointer;
    transition: all var(--sf-transition);
    box-shadow: var(--sf-shadow);
    font-family: inherit;
}

.ic-sf__brand-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--sf-shadow-hover);
    border-color: var(--sf-accent);
}

.ic-sf__brand-card.selected {
    border-color: var(--sf-accent);
    background: #f5f5f5;
}

.ic-sf__brand-visual {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #f0f0f0;
    flex-shrink: 0;
}

.ic-sf__brand-visual img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.ic-sf__brand-letter {
    font-size: 28px;
    font-weight: 700;
    color: var(--sf-text);
}

.ic-sf__brand-name {
    font-size: 13px;
    font-weight: 600;
    color: var(--sf-text);
    text-align: center;
    line-height: 1.2;
}

.ic-sf__brand-count {
    font-size: 11px;
    color: var(--sf-text-muted);
}

/* ── Model Cards ──────────────────────────────────────── */
.ic-sf__model-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 16px;
    max-width: 1000px;
    margin: 0 auto;
}

.ic-sf__model-card {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    background: var(--sf-surface);
    border: 2px solid transparent;
    border-radius: var(--sf-radius-sm);
    cursor: pointer;
    transition: all var(--sf-transition);
    box-shadow: var(--sf-shadow);
    font-family: inherit;
    font-size: 14px;
    font-weight: 600;
    color: var(--sf-text);
}

.ic-sf__model-card:hover {
    border-color: var(--sf-accent);
    transform: translateY(-2px);
    box-shadow: var(--sf-shadow-hover);
}

.ic-sf__model-count {
    font-size: 12px;
    font-weight: 400;
    color: var(--sf-text-muted);
    background: #f0f0f0;
    padding: 2px 8px;
    border-radius: 20px;
}

/* ── Size Grid ────────────────────────────────────────── */
.ic-sf__size-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(72px, 1fr));
    gap: 10px;
    max-width: 800px;
    margin: 0 auto;
}

.ic-sf__size-btn {
    padding: 14px 8px;
    background: var(--sf-surface);
    border: 2px solid var(--sf-border);
    border-radius: var(--sf-radius-sm);
    font-family: inherit;
    font-size: 14px;
    font-weight: 600;
    color: var(--sf-text);
    cursor: pointer;
    transition: all var(--sf-transition);
    text-align: center;
}

.ic-sf__size-btn:hover {
    border-color: var(--sf-accent);
    background: #f5f5f5;
}

.ic-sf__size-btn.selected {
    background: var(--sf-accent);
    color: #fff;
    border-color: var(--sf-accent);
}

/* ── Price Cards ──────────────────────────────────────── */
.ic-sf__price-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    max-width: 720px;
    margin: 0 auto;
}

.ic-sf__price-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 32px 24px;
    background: var(--sf-surface);
    border: 2px solid transparent;
    border-radius: var(--sf-radius);
    cursor: pointer;
    transition: all var(--sf-transition);
    box-shadow: var(--sf-shadow);
    font-family: inherit;
}

.ic-sf__price-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--sf-shadow-hover);
    border-color: var(--sf-accent);
}

.ic-sf__price-card.selected {
    background: var(--sf-accent);
    color: #fff;
    border-color: var(--sf-accent);
}

.ic-sf__price-card.selected .ic-sf__price-desc {
    color: rgba(255,255,255,0.7);
}

.ic-sf__price-range {
    font-size: 20px;
    font-weight: 700;
    color: inherit;
    letter-spacing: -0.01em;
}

.ic-sf__price-desc {
    font-size: 13px;
    color: var(--sf-text-secondary);
    transition: color var(--sf-transition);
}

/* ── Step Actions ─────────────────────────────────────── */
.ic-sf__step-actions {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    margin-top: 40px;
    padding-top: 24px;
    border-top: 1px solid var(--sf-border);
}

.ic-sf__btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: 100px;
    font-family: inherit;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--sf-transition);
    text-decoration: none;
    border: none;
}

.ic-sf__btn--back {
    background: transparent;
    color: var(--sf-text-secondary);
    border: 1px solid var(--sf-border);
}

.ic-sf__btn--back:hover {
    background: #f5f5f5;
    color: var(--sf-text);
}

.ic-sf__btn--skip {
    background: #f5f5f5;
    color: #555;
    border: 1px solid #e0e0e0;
}

.ic-sf__btn--skip:hover {
    background: #eee;
    color: var(--sf-text);
}

.ic-sf__btn--primary {
    background: var(--sf-accent);
    color: #fff;
}

.ic-sf__btn--primary:hover {
    background: var(--sf-accent-hover);
    transform: translateY(-1px);
}

.ic-sf__btn--secondary {
    background: transparent;
    color: var(--sf-text);
    border: 1px solid var(--sf-border);
}

.ic-sf__btn--secondary:hover {
    background: #f5f5f5;
}

/* ── Filters Summary ──────────────────────────────────── */
.ic-sf__filters-summary {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
    margin-bottom: 24px;
    padding: 16px 0;
}

.ic-sf__filter-tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    background: var(--sf-surface);
    border: 1px solid var(--sf-border);
    border-radius: 100px;
    font-size: 12px;
    font-weight: 500;
    color: var(--sf-text);
}

.ic-sf__filter-tag-remove {
    width: 16px;
    height: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: #eee;
    border: none;
    cursor: pointer;
    padding: 0;
    font-size: 10px;
    line-height: 1;
    color: var(--sf-text-secondary);
    transition: all var(--sf-transition);
}

.ic-sf__filter-tag-remove:hover {
    background: var(--sf-accent);
    color: #fff;
}

/* ── Results Grid ─────────────────────────────────────── */
.ic-sf__results-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.ic-sf__results-grid:empty {
    display: none;
}

/* Product Cards */
.ic-sf-product {
    animation: icSfCardIn 0.4s cubic-bezier(0.4, 0, 0.2, 1) forwards;
    animation-delay: calc(var(--i, 0) * 60ms);
    opacity: 0;
}

@keyframes icSfCardIn {
    from {
        opacity: 0;
        transform: translateY(12px) scale(0.97);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.ic-sf-product__link {
    display: block;
    text-decoration: none;
    color: inherit;
    background: var(--sf-surface);
    border-radius: var(--sf-radius);
    overflow: hidden;
    transition: all var(--sf-transition);
    box-shadow: var(--sf-shadow);
}

.ic-sf-product__link:hover {
    transform: translateY(-4px);
    box-shadow: var(--sf-shadow-hover);
}

.ic-sf-product__image-wrap {
    position: relative;
    aspect-ratio: 1/1;
    overflow: hidden;
    background: #f5f5f5;
}

.ic-sf-product__img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: opacity 0.4s ease;
}

.ic-sf-product__img--hover {
    position: absolute;
    inset: 0;
    opacity: 0;
}

.ic-sf-product__link:hover .ic-sf-product__img--primary {
    opacity: 0;
}
.ic-sf-product__link:hover .ic-sf-product__img--hover {
    opacity: 1;
}

.ic-sf-product__info {
    padding: 16px;
}

.ic-sf-product__brand {
    display: block;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--sf-text-muted);
    margin-bottom: 4px;
}

.ic-sf-product__name {
    font-size: 14px;
    font-weight: 600;
    color: var(--sf-text);
    margin: 0 0 8px;
    line-height: 1.3;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.ic-sf-product__price {
    font-size: 14px;
    font-weight: 700;
    color: var(--sf-text);
}

.ic-sf-product__price del {
    font-weight: 400;
    color: var(--sf-text-muted);
    margin-right: 6px;
}

.ic-sf-product__price ins {
    text-decoration: none;
    color: #c83232;
}

/* ── Loading ──────────────────────────────────────────── */
.ic-sf__loading {
    display: none;
    flex-direction: column;
    align-items: center;
    gap: 16px;
    padding: 64px 0;
    text-align: center;
}

.ic-sf__loading.visible {
    display: flex;
}

.ic-sf__spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--sf-border);
    border-top-color: var(--sf-accent);
    border-radius: 50%;
    animation: icSfSpin 0.7s linear infinite;
}

@keyframes icSfSpin {
    to { transform: rotate(360deg); }
}

.ic-sf__loading p {
    font-size: 14px;
    color: var(--sf-text-secondary);
    margin: 0;
}

/* ── Empty State ──────────────────────────────────────── */
.ic-sf__empty {
    text-align: center;
    padding: 64px 0;
    color: var(--sf-text-muted);
}

.ic-sf__empty svg {
    margin-bottom: 16px;
    stroke: var(--sf-border);
}

.ic-sf__empty h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--sf-text);
    margin: 0 0 8px;
}

.ic-sf__empty p {
    font-size: 14px;
    margin: 0;
}

/* ── Responsive ───────────────────────────────────────── */
@media (max-width: 1024px) {
    .ic-sf__results-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 16px;
    }

    .ic-sf__brand-grid {
        grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    }
}

@media (max-width: 768px) {
    .ic-sf__step-header {
        padding: 32px 0 24px;
    }

    .ic-sf__gender-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }

    .ic-sf__gender-card--unisex {
        grid-column: 1 / -1;
        aspect-ratio: 5/2;
        max-height: 180px;
    }

    .ic-sf__gender-unisex-icon {
        padding-bottom: 44px;
    }

    .ic-sf__results-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }

    .ic-sf__gender-card {
        aspect-ratio: 3/4;
        max-height: 340px;
    }

    .ic-sf__gender-info {
        padding: 20px 16px;
    }

    .ic-sf__gender-info h2 {
        font-size: 1.125rem;
    }

    .ic-sf__brand-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 12px;
    }

    .ic-sf__brand-card {
        padding: 16px 10px;
    }

    .ic-sf__brand-visual {
        width: 56px;
        height: 56px;
    }

    .ic-sf__model-grid {
        grid-template-columns: 1fr 1fr;
    }

    .ic-sf__size-grid {
        grid-template-columns: repeat(auto-fill, minmax(60px, 1fr));
    }

    .ic-sf__price-grid {
        grid-template-columns: 1fr 1fr;
        gap: 12px;
    }

    .ic-sf__price-card {
        padding: 24px 16px;
    }

    .ic-sf__price-range {
        font-size: 16px;
    }

    .ic-sf__progress-label {
        display: none;
    }

    .ic-sf__progress-steps {
        justify-content: center;
        gap: 2px;
    }

    .ic-sf__progress-dot {
        gap: 0;
        padding: 6px 8px;
    }

    .ic-sf__step-actions {
        flex-wrap: wrap;
    }

    .ic-sf-product__info {
        padding: 12px;
    }

    .ic-sf-product__name {
        font-size: 13px;
    }

    .ic-sf-product__price {
        font-size: 13px;
    }
}

@media (max-width: 480px) {
    .ic-sf__steps {
        padding: 0 14px;
    }

    .ic-sf__progress {
        padding: 10px 14px;
    }

    .ic-sf__gender-card {
        aspect-ratio: 3/4;
        max-height: 240px;
    }

    .ic-sf__gender-card--unisex {
        aspect-ratio: 5/2;
        max-height: 130px;
    }

    .ic-sf__brand-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .ic-sf__model-grid {
        grid-template-columns: 1fr;
    }

    .ic-sf__price-grid {
        grid-template-columns: 1fr;
    }

    .ic-sf__gender-card:not(.ic-sf__gender-card--unisex) {
        aspect-ratio: 3/4;
    }
}