/* ═══════════════════════════════════════════════════
   SEO Landing Pages — Styles v2 (Glassmorphism)
   ═══════════════════════════════════════════════════ */

/* ── Hero ─────────────────────────────────────────── */
.seo-hero {
    text-align: center;
    padding: var(--space-3xl) 0 var(--space-xl);
    position: relative;
    overflow: hidden;
}

.seo-hero::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at 30% 40%, var(--accent-primary-light) 0%, transparent 50%),
        radial-gradient(circle at 70% 60%, rgba(6, 182, 212, 0.08) 0%, transparent 50%);
    pointer-events: none;
    z-index: 0;
}

.seo-hero>* {
    position: relative;
    z-index: 1;
}

.seo-hero__badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    padding: 0.35rem 1rem;
    background: linear-gradient(180deg, var(--tile-gradient-to) 0%, var(--tile-gradient-from) 100%);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-full);
    font-size: var(--text-sm);
    font-weight: var(--weight-bold);
    color: #FFFFFF;
    margin-bottom: var(--space-lg);
    box-shadow: 0 3px 0 var(--tile-shadow-color), 0 4px 8px rgba(0, 0, 0, 0.12);
    animation: fadeIn 0.6s ease;
}

.seo-hero__title {
    font-family: var(--font-heading);
    font-size: var(--text-5xl);
    font-weight: var(--weight-extrabold);
    line-height: 1.1;
    margin-bottom: var(--space-md);
}

.seo-hero__desc {
    font-size: var(--text-lg);
    color: var(--text-secondary);
    max-width: 620px;
    margin: 0 auto var(--space-xl);
    line-height: var(--leading-relaxed);
}

.seo-hero__actions {
    display: flex;
    gap: var(--space-md);
    justify-content: center;
    flex-wrap: wrap;
}

/* ── Game Frame ───────────────────────────────────── */
.seo-game {
    padding: var(--space-lg) 0;
}

.seo-game__frame {
    width: 100%;
    min-height: 700px;
    border: none;
    border-radius: var(--radius-xl);
    background: var(--glass-bg);
    box-shadow: var(--shadow-lg);
}

/* ── Content Sections ─────────────────────────────── */
.seo-content {
    padding: var(--space-2xl) 0;
}

.seo-content__inner {
    max-width: 800px;
    margin: 0 auto;
}

.seo-content h2 {
    font-size: var(--text-2xl);
    margin: var(--space-2xl) 0 var(--space-md);
    color: var(--text-primary);
}

.seo-content h2:first-child {
    margin-top: 0;
}

.seo-content h3 {
    font-size: var(--text-lg);
    margin: var(--space-xl) 0 var(--space-sm);
    color: var(--text-primary);
}

.seo-content p {
    color: var(--text-secondary);
    line-height: var(--leading-relaxed);
    margin-bottom: var(--space-md);
    font-size: var(--text-base);
}

.seo-content ul,
.seo-content ol {
    color: var(--text-secondary);
    line-height: var(--leading-relaxed);
    margin-bottom: var(--space-md);
    padding-left: var(--space-xl);
}

.seo-content li {
    margin-bottom: var(--space-xs);
}

.seo-content strong {
    color: var(--text-primary);
    font-weight: var(--weight-semibold);
}

/* Color legend boxes (3D swatches) */
.seo-color-legend {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-md);
    margin: var(--space-lg) 0;
}

.seo-color-legend__item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md);
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: var(--glass-border);
    border-radius: var(--radius-md);
}

.seo-color-legend__swatch {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-sm);
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: var(--weight-bold);
    color: #fff;
    font-size: var(--text-lg);
    border: 2px solid rgba(255, 255, 255, 0.3);
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

.seo-color-legend__swatch--green {
    background: linear-gradient(180deg, var(--correct-to) 0%, var(--correct) 100%);
    box-shadow: 0 3px 0 var(--correct-shadow);
}

.seo-color-legend__swatch--yellow {
    background: linear-gradient(180deg, var(--present-to) 0%, var(--present) 100%);
    box-shadow: 0 3px 0 var(--present-shadow);
}

.seo-color-legend__swatch--gray {
    background: linear-gradient(180deg, var(--absent-to) 0%, var(--absent) 100%);
    box-shadow: 0 3px 0 var(--absent-shadow);
}

/* Feature highlight cards (Glass) */
.seo-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: var(--space-lg);
    margin: var(--space-xl) 0;
}

.seo-feature-card {
    padding: var(--space-lg);
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: var(--glass-border);
    border-radius: var(--radius-lg);
    text-align: center;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.seo-feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.seo-feature-card__icon {
    font-size: 2rem;
    margin-bottom: var(--space-sm);
}

.seo-feature-card__title {
    font-weight: var(--weight-bold);
    margin-bottom: var(--space-xs);
    font-size: var(--text-base);
}

.seo-feature-card__desc {
    font-size: var(--text-sm);
    color: var(--text-secondary);
    margin: 0;
}

/* ── FAQ (Glass accordion) ───────────────────────── */
.seo-faq {
    max-width: 800px;
    margin: 0 auto;
    padding: var(--space-2xl) 0;
}

.seo-faq__title {
    text-align: center;
    font-size: var(--text-2xl);
    margin-bottom: var(--space-xl);
}

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

.seo-faq__item {
    border: var(--glass-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
}

.seo-faq__question {
    width: 100%;
    padding: var(--space-md) var(--space-lg);
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-weight: var(--weight-bold);
    font-size: var(--text-base);
    color: var(--text-primary);
    cursor: pointer;
    background: none;
    border: none;
    text-align: left;
    font-family: var(--font-body);
}

.seo-faq__question::after {
    content: '+';
    font-size: var(--text-xl);
    color: var(--accent-primary);
    transition: transform var(--transition-fast);
}

.seo-faq__item.is-open .seo-faq__question::after {
    content: '−';
}

.seo-faq__answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-slow);
}

.seo-faq__item.is-open .seo-faq__answer {
    max-height: 500px;
}

.seo-faq__answer-inner {
    padding: 0 var(--space-lg) var(--space-lg);
    font-size: var(--text-sm);
    color: var(--text-secondary);
    line-height: var(--leading-relaxed);
}

/* ── Internal Links ───────────────────────────────── */
.seo-links {
    padding: var(--space-2xl) 0;
}

.seo-links__title {
    text-align: center;
    font-size: var(--text-xl);
    margin-bottom: var(--space-lg);
}

.seo-links__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-md);
    max-width: 800px;
    margin: 0 auto;
}

.seo-links__item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-lg);
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: var(--glass-border);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    text-decoration: none;
    font-weight: var(--weight-semibold);
    transition: all var(--transition-fast);
}

.seo-links__item:hover {
    border-color: var(--accent-primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md), var(--shadow-glow);
}

/* ── CTA (Glass) ─────────────────────────────────── */
.seo-cta {
    text-align: center;
    padding: var(--space-3xl) var(--space-lg);
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: var(--glass-border);
    border-radius: var(--radius-2xl);
    margin: var(--space-xl) 0;
    box-shadow: var(--shadow-md);
}

.seo-cta__title {
    font-size: var(--text-2xl);
    margin-bottom: var(--space-sm);
}

.seo-cta__desc {
    color: var(--text-secondary);
    margin-bottom: var(--space-lg);
}

/* ── Responsive ───────────────────────────────────── */
@media (max-width: 768px) {
    .seo-hero__title {
        font-size: var(--text-3xl);
    }

    .seo-hero__desc {
        font-size: var(--text-base);
    }

    .seo-game__frame {
        min-height: 600px;
        border-radius: 0;
    }

    .seo-content h2 {
        font-size: var(--text-xl);
    }
}

@media (max-width: 480px) {
    .seo-hero__title {
        font-size: var(--text-2xl);
    }

    .seo-game__frame {
        min-height: 550px;
    }
}

/* ═══════════════════════════════════════════════════════
   INTERACTIVE WIDGETS
   ═══════════════════════════════════════════════════════ */

.seo-widget {
    padding: 2rem 0;
}

.seo-widget__card {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: 2rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.seo-widget__card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    border-radius: 1rem 1rem 0 0;
}

.seo-widget__card--purple::before {
    background: linear-gradient(90deg, #7c3aed, #a78bfa, #c4b5fd);
}

.seo-widget__card--green::before {
    background: linear-gradient(90deg, #059669, #34d399, #6ee7b7);
}

.seo-widget__card--blue::before {
    background: linear-gradient(90deg, #2563eb, #60a5fa, #93c5fd);
}

.seo-widget__title {
    font-family: 'Fredoka One', cursive;
    font-size: var(--text-xl);
    margin-bottom: .5rem;
    color: var(--text-primary);
}

.seo-widget__desc {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    font-size: var(--text-sm);
}

/* ── Word Analyzer ── */
.seo-widget__input-row {
    display: flex;
    gap: .75rem;
    justify-content: center;
    max-width: 360px;
    margin: 0 auto 1.5rem;
}

.seo-widget__input {
    flex: 1;
    padding: .75rem 1rem;
    border-radius: var(--radius-md);
    border: 2px solid var(--border-color);
    background: var(--bg-input, var(--glass-bg));
    color: var(--text-primary);
    font-size: var(--text-base);
    font-family: 'Nunito', sans-serif;
    font-weight: 700;
    letter-spacing: .15em;
    text-transform: uppercase;
    text-align: center;
    transition: border-color .2s, box-shadow .2s;
}

.seo-widget__input:focus {
    outline: none;
    border-color: #7c3aed;
    box-shadow: 0 0 0 3px rgba(124, 58, 237, .15);
}

.seo-widget__input--error {
    border-color: #ef4444 !important;
    animation: shake .4s ease;
}

@keyframes shake {

    0%,
    100% {
        transform: translateX(0);
    }

    25% {
        transform: translateX(-6px);
    }

    75% {
        transform: translateX(6px);
    }
}

.seo-widget__stat-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
    margin-bottom: 1.25rem;
}

.seo-widget__stat {
    background: var(--glass-bg);
    border-radius: var(--radius-lg);
    padding: 1rem .5rem;
    border: 1px solid var(--border-color);
}

.seo-widget__stat-value {
    display: block;
    font-family: 'Fredoka One', cursive;
    font-size: var(--text-xl);
    color: var(--text-primary);
}

.seo-widget__stat-label {
    display: block;
    font-size: .7rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: .05em;
    margin-top: .25rem;
}

.seo-widget__bar-wrap {
    height: 10px;
    background: var(--glass-bg);
    border-radius: 5px;
    overflow: hidden;
    margin-bottom: 1rem;
    border: 1px solid var(--border-color);
}

.seo-widget__bar {
    height: 100%;
    border-radius: 5px;
    width: 0;
    transition: width .6s cubic-bezier(.4, 0, .2, 1);
}

.seo-widget__bar--excellent {
    background: linear-gradient(90deg, #059669, #34d399);
}

.seo-widget__bar--good {
    background: linear-gradient(90deg, #2563eb, #60a5fa);
}

.seo-widget__bar--okay {
    background: linear-gradient(90deg, #d97706, #fbbf24);
}

.seo-widget__bar--weak {
    background: linear-gradient(90deg, #dc2626, #f87171);
}

.seo-widget__verdict {
    color: var(--text-secondary);
    font-size: var(--text-sm);
    font-weight: 600;
}

/* ── Device Compat Checker ── */
.seo-widget__compat-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: .75rem;
    max-width: 500px;
    margin: 0 auto 1.25rem;
}

.seo-widget__compat-item {
    display: flex;
    align-items: center;
    gap: .5rem;
    background: var(--glass-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: .75rem 1rem;
    text-align: left;
}

.seo-widget__compat-icon {
    font-size: 1.25rem;
    flex-shrink: 0;
}

.seo-widget__compat-label {
    font-size: .7rem;
    text-transform: uppercase;
    letter-spacing: .05em;
    color: var(--text-secondary);
    display: none;
}

.seo-widget__compat-value {
    flex: 1;
    font-weight: 700;
    font-size: var(--text-sm);
    color: var(--text-primary);
}

.seo-widget__compat-badge {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: .75rem;
    font-weight: 700;
    flex-shrink: 0;
}

.seo-widget__compat-badge--ok {
    background: rgba(5, 150, 105, .15);
    color: #059669;
}

.seo-widget__compat-summary {
    color: var(--text-secondary);
    font-size: var(--text-sm);
    font-weight: 600;
}

/* ── Daily Countdown ── */
.seo-widget__countdown {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: .75rem;
    margin-bottom: 1.25rem;
}

.seo-widget__countdown-unit {
    background: var(--glass-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1rem 1.25rem;
    min-width: 80px;
}

.seo-widget__countdown-num {
    display: block;
    font-family: 'Fredoka One', cursive;
    font-size: 2rem;
    line-height: 1;
    color: var(--text-primary);
    letter-spacing: .05em;
}

.seo-widget__countdown-lbl {
    display: block;
    font-size: .65rem;
    text-transform: uppercase;
    letter-spacing: .08em;
    color: var(--text-secondary);
    margin-top: .35rem;
}

.seo-widget__countdown-sep {
    font-family: 'Fredoka One', cursive;
    font-size: 1.75rem;
    color: var(--text-secondary);
    opacity: .5;
    margin-top: -.75rem;
}

.seo-widget__countdown-hint {
    color: var(--text-secondary);
    font-size: var(--text-sm);
}

.seo-widget__link {
    color: var(--primary);
    font-weight: 700;
    text-decoration: none;
}

.seo-widget__link:hover {
    text-decoration: underline;
}

/* ── Widget responsive ── */
@media (max-width: 600px) {
    .seo-widget__stat-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .seo-widget__compat-grid {
        grid-template-columns: 1fr;
    }

    .seo-widget__countdown-unit {
        min-width: 60px;
        padding: .75rem 1rem;
    }

    .seo-widget__countdown-num {
        font-size: 1.5rem;
    }

    .seo-widget__input-row {
        flex-direction: column;
    }
}