/* ════════════════════════════════════════════════════
   Prompt Geni — Landing Page Styles
════════════════════════════════════════════════════ */

/* ── Landing root ─────────────────────────────────── */
.landing-page {
    min-height: calc(100vh - var(--topbar-height));
    overflow-x: hidden;
    position: relative;
    color: var(--text-primary);
    font-family: var(--font-base);
}

/* ── Animated Background ──────────────────────────── */
.landing-bg {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
}

.landing-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.18;
    animation: orb-drift 18s ease-in-out infinite alternate;
}

.landing-orb-1 {
    width: 640px;
    height: 640px;
    background: radial-gradient(circle, #6366F1, transparent 70%);
    top: -200px;
    left: -100px;
    animation-delay: 0s;
}

.landing-orb-2 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, #8B5CF6, transparent 70%);
    bottom: -100px;
    right: -100px;
    animation-delay: -6s;
}

.landing-orb-3 {
    width: 360px;
    height: 360px;
    background: radial-gradient(circle, #06B6D4, transparent 70%);
    top: 50%;
    left: 55%;
    transform: translate(-50%, -50%);
    animation-delay: -12s;
}

@keyframes orb-drift {
    from {
        transform: translate(0, 0) scale(1);
    }

    to {
        transform: translate(40px, 30px) scale(1.08);
    }
}

/* Grid pattern overlay */
.landing-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
    background-size: 48px 48px;
    mask-image: radial-gradient(ellipse 80% 80% at 50% 20%, black 20%, transparent 100%);
}

/* ── Sections ─────────────────────────────────────── */
.landing-section {
    position: relative;
    z-index: 1;
    padding: var(--space-3xl) var(--space-lg);
    max-width: 1100px;
    margin: 0 auto;
}

.landing-section-full {
    position: relative;
    z-index: 1;
    padding: var(--space-3xl) var(--space-lg);
}

/* ── Section Headings ─────────────────────────────── */
.section-label {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: var(--fs-xs);
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--primary);
    background: var(--primary-faint);
    border: 1px solid rgba(99, 102, 241, 0.25);
    border-radius: var(--radius-full);
    padding: 5px 12px;
    margin-bottom: var(--space-md);
}

.section-title {
    font-size: var(--fs-3xl);
    font-weight: 800;
    line-height: 1.2;
    color: var(--text-primary);
    margin-bottom: var(--space-sm);
}

.section-sub {
    font-size: var(--fs-lg);
    color: var(--text-secondary);
    max-width: 600px;
    line-height: 1.6;
}

/* ── HERO ─────────────────────────────────────────── */
.hero {
    position: relative;
    z-index: 1;
    min-height: 88vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: var(--space-3xl) var(--space-md);
    gap: var(--space-lg);
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: var(--fs-sm);
    font-weight: 600;
    color: var(--primary);
    background: var(--primary-faint);
    border: 1px solid rgba(99, 102, 241, 0.3);
    border-radius: var(--radius-full);
    padding: 7px 16px;
    animation: badge-glow 3s ease-in-out infinite alternate;
}

@keyframes badge-glow {
    from {
        box-shadow: 0 0 0 rgba(99, 102, 241, 0);
    }

    to {
        box-shadow: 0 0 20px rgba(99, 102, 241, 0.3);
    }
}

.hero-title {
    font-size: var(--fs-hero);
    font-weight: 900;
    line-height: 1.08;
    letter-spacing: -0.03em;
    background: linear-gradient(135deg, #fff 20%, rgba(255, 255, 255, 0.55) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    max-width: 820px;
}

.hero-title span.grad {
    background: linear-gradient(90deg, #6366F1, #8B5CF6, #06B6D4);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-sub {
    font-size: clamp(1rem, 2vw, 1.22rem);
    color: var(--text-secondary);
    max-width: 620px;
    line-height: 1.65;
}

.hero-actions {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
    justify-content: center;
    margin-top: var(--space-sm);
}

.btn-hero-primary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: #fff;
    font-size: 1rem;
    font-weight: 700;
    padding: 14px 28px;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition-md);
    box-shadow: 0 4px 24px rgba(99, 102, 241, 0.4);
}

.btn-hero-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 32px rgba(99, 102, 241, 0.55);
}

.btn-hero-secondary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.06);
    color: var(--text-primary);
    font-size: 1rem;
    font-weight: 600;
    padding: 14px 28px;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition);
    backdrop-filter: blur(8px);
}

.btn-hero-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.18);
}

/* Floating prompt cards */
.hero-floating-cards {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
    justify-content: center;
    margin-top: var(--space-lg);
}

.floating-card {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    padding: 10px 16px;
    font-size: var(--fs-sm);
    color: var(--text-secondary);
    backdrop-filter: blur(12px);
    cursor: default;
    transition: var(--transition);
    white-space: nowrap;
}

.floating-card:hover {
    background: rgba(99, 102, 241, 0.1);
    border-color: rgba(99, 102, 241, 0.3);
    color: var(--text-primary);
}

.floating-card-icon {
    margin-right: 5px;
}

/* Hero stats */
.hero-stats {
    display: flex;
    gap: var(--space-2xl);
    flex-wrap: wrap;
    justify-content: center;
    margin-top: var(--space-lg);
    padding-top: var(--space-lg);
    border-top: 1px solid var(--border);
    max-width: 700px;
    width: 100%;
}

.hero-stat {
    text-align: center;
}

.hero-stat-number {
    font-size: var(--fs-2xl);
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-stat-label {
    font-size: var(--fs-xs);
    color: var(--text-muted);
    margin-top: 2px;
}

/* ── HOW IT WORKS ─────────────────────────────────── */
.how-steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
    margin-top: var(--space-2xl);
    position: relative;
}

.how-steps::before {
    content: '';
    position: absolute;
    top: 32px;
    left: calc(16.66% + 24px);
    width: calc(66.66% - 48px);
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--primary), transparent);
    opacity: 0.4;
}

.how-step {
    text-align: center;
    padding: var(--space-lg);
    position: relative;
}

.how-step-num {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 52px;
    height: 52px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    font-size: 1.3rem;
    font-weight: 800;
    margin: 0 auto var(--space-md);
    box-shadow: 0 0 32px rgba(99, 102, 241, 0.4);
}

.how-step-title {
    font-size: var(--fs-lg);
    font-weight: 700;
    margin-bottom: var(--space-xs);
}

.how-step-desc {
    font-size: var(--fs-sm);
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ── FEATURES ─────────────────────────────────────── */
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-md);
    margin-top: var(--space-2xl);
}

.feature-card {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    transition: var(--transition-md);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--primary-faint), transparent);
    opacity: 0;
    transition: var(--transition);
}

.feature-card:hover {
    border-color: rgba(99, 102, 241, 0.35);
    transform: translateY(-3px);
    box-shadow: var(--shadow-glow);
}

.feature-card:hover::before {
    opacity: 1;
}

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

.feature-title {
    font-size: var(--fs-md);
    font-weight: 700;
    margin-bottom: 6px;
}

.feature-desc {
    font-size: var(--fs-sm);
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ── USE CASES ────────────────────────────────────── */
.use-cases-tabs {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin: var(--space-lg) 0;
}

.uc-tab {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 9px 18px;
    border-radius: var(--radius-full);
    border: 1px solid var(--border);
    background: var(--bg-surface);
    color: var(--text-secondary);
    font-size: var(--fs-sm);
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

.uc-tab:hover,
.uc-tab.active {
    background: var(--primary-faint);
    border-color: rgba(99, 102, 241, 0.4);
    color: var(--text-primary);
}

.use-case-content {
    display: none;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
    margin-top: var(--space-md);
}

.use-case-content.active {
    display: grid;
}

.uc-info h3 {
    font-size: var(--fs-xl);
    font-weight: 700;
    margin-bottom: var(--space-sm);
}

.uc-info p {
    font-size: var(--fs-base);
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: var(--space-md);
}

.uc-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.uc-list li {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: var(--fs-sm);
    color: var(--text-secondary);
}

.uc-list li::before {
    content: '→';
    color: var(--primary);
    font-weight: 700;
}

.uc-preview {
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: var(--space-md);
    font-family: 'Courier New', monospace;
    font-size: var(--fs-xs);
    color: var(--text-secondary);
    line-height: 1.7;
    position: relative;
    overflow: hidden;
}

.uc-preview::before {
    content: 'Generated Prompt';
    display: block;
    font-family: var(--font-base);
    font-size: var(--fs-xs);
    font-weight: 600;
    color: var(--primary);
    margin-bottom: var(--space-sm);
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

/* ── EXAMPLES ─────────────────────────────────────── */
.examples-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
    margin-top: var(--space-2xl);
}

.example-card {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: var(--space-md);
    transition: var(--transition);
}

.example-card:hover {
    border-color: rgba(255, 255, 255, 0.15);
    background: var(--bg-elevated);
}

.example-tag {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    font-size: var(--fs-xs);
    font-weight: 600;
    padding: 3px 10px;
    border-radius: var(--radius-full);
    margin-bottom: var(--space-sm);
}

.example-model {
    font-size: var(--fs-xs);
    color: var(--text-muted);
    margin-bottom: var(--space-sm);
}

.example-text {
    font-size: var(--fs-sm);
    color: var(--text-secondary);
    line-height: 1.7;
    font-style: italic;
}

/* ── CTA ──────────────────────────────────────────── */
.cta-section {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: var(--space-3xl) var(--space-md);
    margin: 0 var(--space-lg) var(--space-3xl);
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.15), rgba(139, 92, 246, 0.1));
    border: 1px solid rgba(99, 102, 241, 0.25);
    border-radius: var(--radius-xl);
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: -60px;
    left: 50%;
    transform: translateX(-50%);
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.2), transparent 70%);
    pointer-events: none;
}

.cta-title {
    font-size: var(--fs-3xl);
    font-weight: 800;
    margin-bottom: var(--space-sm);
}

.cta-sub {
    font-size: var(--fs-lg);
    color: var(--text-secondary);
    margin-bottom: var(--space-xl);
}

/* ── Scroll Animations ────────────────────────────── */
.scroll-reveal {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.scroll-reveal.revealed {
    opacity: 1;
    transform: translateY(0);
}

.scroll-reveal.delay-1 {
    transition-delay: 0.1s;
}

.scroll-reveal.delay-2 {
    transition-delay: 0.2s;
}

.scroll-reveal.delay-3 {
    transition-delay: 0.3s;
}

.scroll-reveal.delay-4 {
    transition-delay: 0.4s;
}

.scroll-reveal.delay-5 {
    transition-delay: 0.5s;
}

/* ── Responsive ───────────────────────────────────── */
@media (max-width: 768px) {
    .how-steps {
        grid-template-columns: 1fr;
    }

    .how-steps::before {
        display: none;
    }

    .features-grid {
        grid-template-columns: 1fr;
    }

    .use-case-content {
        grid-template-columns: 1fr;
    }

    .examples-grid {
        grid-template-columns: 1fr;
    }

    .hero-title {
        font-size: 2.2rem;
    }

    .hero-stats {
        gap: var(--space-lg);
    }

    .cta-section {
        margin: 0 var(--space-sm) var(--space-2xl);
    }
}