/*
 * Archive Alternatives — Premium UI/UX
 * Web-App aesthetic: clean, modern, fully responsive
 */

/* ─────────────────────────────────────────
   CSS VARIABLES
───────────────────────────────────────── */
:root {
    --alt-accent: 99, 102, 241;
    /* Indigo 500 */
    --alt-accent-light: 165, 180, 252;
    /* Indigo 300 */
    --alt-radius-card: 24px;
    --alt-radius-pill: 100px;
    --alt-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ─────────────────────────────────────────
   PAGE WRAPPER
───────────────────────────────────────── */
.alternatives-archive {
    padding-bottom: 6rem;
    min-height: 80vh;
}

/* ─────────────────────────────────────────
   HERO SECTION
───────────────────────────────────────── */
.alternatives-hero-section {
    position: relative;
    padding: 5rem 0 5rem;
    overflow: hidden;
    text-align: center;
    background: radial-gradient(ellipse 80% 60% at 50% -10%, rgba(var(--alt-accent), 0.18) 0%, transparent 70%);
}

/* Decorative ring */
.alternatives-hero-section::after {
    content: '';
    position: absolute;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    border: 1px solid rgba(var(--alt-accent), 0.08);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    pointer-events: none;
}

/* ── Breadcrumb ── */
.alternatives-archive .bfai-breadcrumbs {
    display: flex;
    justify-content: center;
    margin-bottom: 2rem;
}

.alternatives-archive .bfai-breadcrumbs ol {
    list-style: none;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 100px;
    padding: 0.35rem 1rem;
    font-size: 0.78rem;
    color: var(--text-muted);
    margin: 0;
}

.alternatives-archive .bfai-breadcrumbs li a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.2s;
}

.alternatives-archive .bfai-breadcrumbs li a:hover {
    color: rgb(var(--alt-accent-light));
}

.alternatives-archive .bfai-breadcrumbs li:not(:last-child)::after {
    content: '/';
    margin-left: 0.4rem;
    opacity: 0.35;
}

/* ── Title ── */
.alternatives-archive .hero-title {
    font-size: clamp(2.2rem, 5.5vw, 4rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    line-height: 1.1;
    margin: 0 0 1.25rem;
    color: var(--text-primary);
}

.alternatives-archive .hero-title .highlight {
    background: linear-gradient(135deg, rgb(var(--alt-accent)) 0%, rgb(var(--alt-accent-light)) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* ── Description ── */
.alternatives-archive .hero-description {
    font-size: clamp(1rem, 2vw, 1.2rem);
    color: var(--text-secondary);
    max-width: 560px;
    margin: 0 auto 2.5rem;
    line-height: 1.65;
}

/* ─────────────────────────────────────────
   SEARCH BAR — adapts to light/dark mode
───────────────────────────────────────── */
.alternatives-search-form {
    max-width: 680px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.alternatives-archive .search-input-wrapper {
    display: flex;
    align-items: center;
    background: var(--bg-input);
    border: 1px solid var(--border-default);
    border-radius: var(--alt-radius-pill);
    padding: 0.4rem 0.4rem 0.4rem 1.1rem;
    gap: 0.75rem;
    transition: border-color 0.25s ease, box-shadow 0.25s ease;
    box-shadow: var(--shadow-md);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
}

.alternatives-archive .search-input-wrapper:focus-within {
    border-color: rgba(var(--alt-accent), 0.6);
    box-shadow: 0 0 0 3px rgba(var(--alt-accent), 0.12), var(--shadow-md);
}

.alternatives-archive .search-icon-wrapper {
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    flex-shrink: 0;
    width: 20px;
    height: 20px;
    pointer-events: none;
}

.alternatives-archive .search-input {
    flex: 1;
    min-width: 0;
    background: transparent !important;
    border: none !important;
    outline: none !important;
    box-shadow: none !important;
    font-size: 0.95rem;
    color: var(--text-primary) !important;
    padding: 0.65rem 0 !important;
    line-height: 1.4;
}

.alternatives-archive .search-input::placeholder {
    color: var(--text-muted);
    opacity: 0.8;
}

.alternatives-archive .search-input-wrapper .btn-primary {
    flex-shrink: 0;
    border-radius: var(--alt-radius-pill);
    padding: 0.7rem 1.6rem;
    font-size: 0.9rem;
    font-weight: 700;
    white-space: nowrap;
    background: rgb(var(--alt-accent));
    color: #fff;
    border: none;
    cursor: pointer;
    transition: all 0.25s ease;
    text-decoration: none;
    line-height: 1;
}

.alternatives-archive .search-input-wrapper .btn-primary:hover {
    background: rgba(var(--alt-accent), 0.85);
    transform: translateY(-1px);
    box-shadow: 0 6px 18px rgba(var(--alt-accent), 0.35);
}

/* ─────────────────────────────────────────
   CONTENT AREA BELOW HERO
───────────────────────────────────────── */
.alternatives-archive .container {
    padding-top: 2.5rem;
}

/* ─────────────────────────────────────────
   FILTER BAR
───────────────────────────────────────── */
.alternatives-filter-bar {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    margin-bottom: 2rem;
}

.filter-chips-wrapper {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 0.75rem 1rem;
    display: flex;
    align-items: center;
    box-shadow: 0 2px 16px rgba(0, 0, 0, 0.1);
}

.filter-chips-scroll {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    overflow-x: auto;
    scrollbar-width: none;
    padding-bottom: 2px;
    -webkit-overflow-scrolling: touch;
    width: 100%;
}

.filter-chips-scroll::-webkit-scrollbar {
    display: none;
}

.alternatives-archive .filter-chip {
    display: inline-flex;
    align-items: center;
    padding: 0.45rem 1.1rem;
    border-radius: var(--alt-radius-pill);
    background: transparent;
    color: var(--text-secondary);
    font-size: 0.85rem;
    font-weight: 500;
    white-space: nowrap;
    text-decoration: none;
    border: 1px solid var(--border-color);
    transition: var(--alt-transition);
    flex-shrink: 0;
}

.alternatives-archive .filter-chip:hover {
    background: rgba(var(--alt-accent), 0.08);
    color: var(--text-primary);
    border-color: rgba(var(--alt-accent), 0.35);
}

.alternatives-archive .filter-chip.active {
    background: rgb(var(--alt-accent));
    color: #fff;
    border-color: rgb(var(--alt-accent));
    box-shadow: 0 2px 14px rgba(var(--alt-accent), 0.35);
    font-weight: 600;
}

/* ─────────────────────────────────────────
   RESULTS HEADER (count + sort)
───────────────────────────────────────── */
.alternatives-results-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.75rem;
    padding: 0 0.25rem;
    margin-bottom: 1.75rem;
}

.alternatives-count-badge {
    font-size: 0.85rem;
    color: var(--text-muted);
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    padding: 0.4rem 1rem;
    border-radius: 100px;
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
}

.alternatives-count-badge strong {
    color: rgb(var(--alt-accent-light));
    font-weight: 700;
}

.alternatives-archive .sort-select {
    appearance: none;
    -webkit-appearance: none;
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    padding: 0.5rem 2.25rem 0.5rem 0.9rem;
    border-radius: 100px;
    font-size: 0.85rem;
    color: var(--text-primary);
    cursor: pointer;
    transition: var(--alt-transition);
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%236b7280' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
}

.alternatives-archive .sort-select:focus {
    outline: none;
    border-color: rgba(var(--alt-accent), 0.5);
    box-shadow: 0 0 0 3px rgba(var(--alt-accent), 0.1);
}

/* ─────────────────────────────────────────
   CARD GRID
───────────────────────────────────────── */
.alternatives-grid-section {
    margin-bottom: 3rem;
}

.bfai-alternatives-grid {
    display: grid !important;
    grid-template-columns: repeat(3, 1fr) !important;
    gap: 1.5rem !important;
    align-items: start;
}

/* ─────────────────────────────────────────
   ALTERNATIVES CARD — Base
───────────────────────────────────────── */
.bfai-tool-card.alternatives-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-default);
    border-radius: var(--alt-radius-card);
    padding: 1.6rem;
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
    transition: transform 0.35s cubic-bezier(0.165, 0.84, 0.44, 1),
        border-color 0.35s ease,
        box-shadow 0.35s ease;
    animation: altCardIn 0.45s ease both;
    animation-delay: calc(var(--item-index, 0) * 50ms);
    height: 100%;
    box-shadow: var(--shadow-sm);
}

@keyframes altCardIn {
    from {
        opacity: 0;
        transform: translateY(14px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Glow overlay — non-blocking */
.bfai-tool-card.alternatives-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(var(--alt-accent), 0.05) 0%, transparent 60%);
    opacity: 0;
    transition: opacity 0.35s ease;
    pointer-events: none;
    z-index: 0;
    border-radius: inherit;
}

.bfai-tool-card.alternatives-card:hover {
    transform: translateY(-5px);
    border-color: rgba(var(--alt-accent), 0.4);
    box-shadow: var(--shadow-lg), 0 0 0 1px rgba(var(--alt-accent), 0.08);
}

.bfai-tool-card.alternatives-card:hover::before {
    opacity: 1;
}

/* ── Card Top Meta ── */
.alternatives-card .card-top-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.4rem;
    position: relative;
    z-index: 1;
}

.alternatives-card .category-badge {
    font-size: 0.68rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.07em;
    color: var(--text-muted);
    background: var(--bg-elevated);
    border: 1px solid var(--border-default);
    padding: 0.2rem 0.65rem;
    border-radius: 100px;
}

.alternatives-card .alt-stat {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    background: rgba(var(--alt-accent), 0.08);
    border: 1px solid rgba(var(--alt-accent), 0.18);
    padding: 0.25rem 0.65rem;
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 600;
    color: rgb(var(--alt-accent));
}

/* ── Card Main ── */
.alternatives-card .card-main {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    flex-grow: 1;
    position: relative;
    z-index: 1;
}

/* ── Logo ── */
.alternatives-card .logo-area {
    width: 76px;
    height: 76px;
    background: #fff;
    border-radius: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.25rem;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
    padding: 10px;
    position: relative;
    z-index: 2;
    flex-shrink: 0;
}

.alternatives-card .logo-area img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.alternatives-card .logo-placeholder {
    font-size: 28px;
    font-weight: 800;
    color: #1e293b;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
}

/* ── Tool Title ── */
.alternatives-card .tool-title {
    font-size: 1.15rem;
    font-weight: 700;
    margin: 0 0 0.6rem;
    color: var(--text-primary);
    line-height: 1.3;
}

/* ── Description ── */
.alternatives-card .tool-description {
    font-size: 0.88rem;
    color: var(--text-secondary);
    line-height: 1.55;
    margin: 0 0 1.25rem;
    flex-grow: 1;
}

/* ── Ranked Logos Strip ── */
.alternatives-card .ranked-logos-row {
    width: 100%;
    padding: 1rem 0 1.25rem;
    border-top: 1px solid var(--border-color);
    margin-top: auto;
}

.alternatives-card .logos-scroll {
    display: flex;
    flex-wrap: nowrap;
    gap: 0.5rem;
    overflow-x: auto;
    scrollbar-width: none;
    padding: 4px 0;
    -webkit-overflow-scrolling: touch;
    justify-content: flex-start;
}

.alternatives-card .logos-scroll::-webkit-scrollbar {
    display: none;
}

.alternatives-card .mini-logo-link {
    width: 32px;
    height: 32px;
    flex-shrink: 0;
    border-radius: 8px;
    background: #fff;
    padding: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(0, 0, 0, 0.08);
    transition: var(--alt-transition);
    filter: grayscale(0.6) opacity(0.75);
    position: relative;
    z-index: 2;
}

.alternatives-card .mini-logo-link:hover {
    transform: translateY(-3px) scale(1.12);
    filter: grayscale(0) opacity(1);
    box-shadow: 0 6px 16px rgba(var(--alt-accent), 0.22);
    border-color: rgba(var(--alt-accent), 0.4);
    z-index: 5;
}

.alternatives-card .mini-logo-link img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

/* ── Card Footer ── */
.alternatives-card .card-footer {
    margin-top: 1.1rem;
    position: relative;
    z-index: 2;
}

.alternatives-card .view-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    width: 100%;
    padding: 0.8rem 1rem;
    border-radius: 12px;
    font-size: 0.875rem;
    font-weight: 600;
    text-decoration: none;
    background: var(--bg-elevated);
    color: var(--text-secondary);
    border: 1px solid var(--border-default);
    transition: all 0.25s ease;
    cursor: pointer;
    position: relative;
    z-index: 2;
}

.alternatives-card:hover .view-btn,
.alternatives-card .view-btn:hover {
    background: rgb(var(--alt-accent));
    color: #fff;
    border-color: rgb(var(--alt-accent));
    box-shadow: 0 6px 20px rgba(var(--alt-accent), 0.28);
}

/* ─────────────────────────────────────────
   NO-RESULTS STATE
───────────────────────────────────────── */
.no-results-state {
    text-align: center;
    padding: 4rem 2rem;
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--alt-radius-card);
}

/* ─────────────────────────────────────────
   PAGINATION
───────────────────────────────────────── */
.pagination-wrapper {
    display: flex;
    justify-content: center;
    margin-top: 2.5rem;
}

.pagination-wrapper .page-numbers {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    list-style: none;
    margin: 0;
    padding: 0;
}

.pagination-wrapper .page-numbers li a,
.pagination-wrapper .page-numbers li span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 38px;
    height: 38px;
    padding: 0 0.75rem;
    border-radius: 100px;
    font-size: 0.88rem;
    font-weight: 500;
    text-decoration: none;
    background: var(--bg-surface);
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    transition: var(--alt-transition);
}

.pagination-wrapper .page-numbers li a:hover {
    background: rgba(var(--alt-accent), 0.1);
    color: var(--text-primary);
    border-color: rgba(var(--alt-accent), 0.35);
}

.pagination-wrapper .page-numbers li span.current {
    background: rgb(var(--alt-accent));
    color: #fff;
    border-color: rgb(var(--alt-accent));
    font-weight: 700;
}

/* ─────────────────────────────────────────
   POPULAR SECTION
───────────────────────────────────────── */
.popular-alternatives-section {
    padding: 3rem 0 2rem;
    border-top: 1px solid var(--border-color);
    margin-top: 1rem;
}

.section-header-centered {
    text-align: center;
    margin-bottom: 2rem;
}

.section-header-centered .section-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.section-header-centered .section-subtitle {
    font-size: 0.95rem;
    color: var(--text-muted);
}

/* ─────────────────────────────────────────
   INTERNAL LINKS SECTION
───────────────────────────────────────── */
.internal-links-section {
    padding: 2rem 0 1rem;
}

.internal-links-section .glass-card-premium {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--alt-radius-card);
    padding: 2.5rem 2rem;
    text-align: center;
}

.internal-links-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    justify-content: center;
    margin-top: 1.25rem;
}

.internal-links-row .btn-outline {
    display: inline-flex;
    align-items: center;
    padding: 0.6rem 1.4rem;
    border-radius: 100px;
    font-size: 0.9rem;
    font-weight: 500;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--alt-transition);
    background: transparent;
}

.internal-links-row .btn-outline:hover {
    background: rgba(var(--alt-accent), 0.08);
    color: var(--text-primary);
    border-color: rgba(var(--alt-accent), 0.35);
}

/* ─────────────────────────────────────────
   RESPONSIVE — TABLET
───────────────────────────────────────── */
@media (max-width: 1100px) {
    .bfai-alternatives-grid {
        grid-template-columns: repeat(2, 1fr) !important;
    }
}

/* ─────────────────────────────────────────
   RESPONSIVE — MOBILE
───────────────────────────────────────── */
@media (max-width: 768px) {
    .alternatives-hero-section {
        padding: 3rem 0 3.5rem;
    }

    .alternatives-archive .hero-title {
        font-size: clamp(1.8rem, 7vw, 2.5rem);
    }

    .alternatives-archive .hero-description {
        font-size: 0.95rem;
    }

    .alternatives-archive .search-input-wrapper {
        padding: 0.35rem 0.35rem 0.35rem 0.9rem;
    }

    .alternatives-archive .search-input-wrapper .btn-primary {
        padding: 0.65rem 1.2rem;
        font-size: 0.85rem;
    }

    .bfai-alternatives-grid {
        grid-template-columns: 1fr !important;
        gap: 1.25rem !important;
    }

    .alternatives-results-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .filter-chips-wrapper {
        border-radius: 16px;
    }
}

@media (max-width: 420px) {
    .alternatives-hero-section {
        padding: 2.5rem 0 3rem;
    }

    .alternatives-archive .bfai-breadcrumbs ol {
        font-size: 0.72rem;
    }
}