/* ============================================
   CreaNext AI Solutions — Premium Page
   ============================================ */

/* --- Variables --- */
:root {
    --ai-blue: #3b82f6;
    --ai-purple: #8b5cf6;
    --ai-cyan: #06b6d4;
    --ai-emerald: #10b981;
    --ai-rose: #f43f5e;
    --ai-orange: #f97316;
    --ai-gold: #eab308;
    --ai-bg: #0a0a0f;
    --ai-card: rgba(255,255,255,0.05);
    --ai-card-hover: rgba(255,255,255,0.08);
    --ai-border: rgba(255,255,255,0.1);
    --ai-text: #f1f5f9;
    --ai-muted: #cbd5e1;
    --ai-radius: 16px;
    --ai-grad: linear-gradient(135deg, #8b5cf6, #06b6d4);
}

[data-theme="light"] {
    --ai-bg: #f8fafc;
    --ai-card: rgba(255,255,255,0.85);
    --ai-card-hover: rgba(255,255,255,0.95);
    --ai-border: rgba(0,0,0,0.08);
    --ai-text: #0f172a;
    --ai-muted: #64748b;
}

/* --- Hero --- */
.ai-hero {
    padding: 8rem 0 3rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}
.ai-hero::before {
    content: '';
    position: absolute;
    top: -40%;
    left: 50%;
    transform: translateX(-50%);
    width: 900px;
    height: 900px;
    background: radial-gradient(circle, rgba(139,92,246,0.14) 0%, rgba(6,182,212,0.07) 40%, transparent 70%);
    pointer-events: none;
    z-index: 0;
}
.ai-hero::after {
    content: '';
    position: absolute;
    bottom: -20%;
    right: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(59,130,246,0.08) 0%, transparent 60%);
    pointer-events: none;
    z-index: 0;
}
.ai-hero .container {
    position: relative;
    z-index: 1;
}
.ai-hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(139,92,246,0.1);
    border: 1px solid rgba(139,92,246,0.25);
    color: var(--ai-purple);
    padding: 0.4rem 1rem;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 1.5rem;
}
.ai-hero h1 {
    font-size: clamp(2rem, 5vw, 3.2rem);
    font-weight: 800;
    color: var(--ai-text);
    margin-bottom: 1rem;
    line-height: 1.15;
}
.ai-hero h1 .ai-gradient {
    background: var(--ai-grad);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.ai-hero-sub {
    color: var(--ai-muted);
    font-size: 1.1rem;
    max-width: 620px;
    margin: 0 auto 2.5rem;
    line-height: 1.7;
}
.ai-hero-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* --- Floating Particles (decorative) --- */
.ai-particles {
    position: absolute;
    inset: 0;
    overflow: hidden;
    pointer-events: none;
    z-index: 0;
}
.ai-particle {
    position: absolute;
    border-radius: 50%;
    opacity: 0.35;
    animation: aiFloat 8s ease-in-out infinite;
}
.ai-particle:nth-child(1) {
    width: 6px; height: 6px;
    background: var(--ai-purple);
    top: 20%; left: 15%;
    animation-delay: 0s;
}
.ai-particle:nth-child(2) {
    width: 4px; height: 4px;
    background: var(--ai-cyan);
    top: 35%; right: 20%;
    animation-delay: 2s;
}
.ai-particle:nth-child(3) {
    width: 8px; height: 8px;
    background: var(--ai-blue);
    bottom: 30%; left: 10%;
    animation-delay: 4s;
}
.ai-particle:nth-child(4) {
    width: 5px; height: 5px;
    background: var(--ai-emerald);
    top: 60%; right: 12%;
    animation-delay: 1s;
}
.ai-particle:nth-child(5) {
    width: 3px; height: 3px;
    background: var(--ai-gold);
    top: 15%; right: 30%;
    animation-delay: 3s;
}
@keyframes aiFloat {
    0%, 100% { transform: translateY(0) scale(1); opacity: 0.35; }
    50% { transform: translateY(-30px) scale(1.5); opacity: 0.6; }
}

/* --- Stats Bar --- */
.ai-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    max-width: 750px;
    margin: 3rem auto 0;
}
.ai-stat {
    text-align: center;
    padding: 1.5rem 1rem;
    border-radius: var(--ai-radius);
    background: var(--ai-card);
    border: 1px solid var(--ai-border);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}
.ai-stat-num {
    font-size: 1.75rem;
    font-weight: 800;
    background: var(--ai-grad);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: block;
    margin-bottom: 0.25rem;
    white-space: nowrap;
}
.ai-stat-label {
    font-size: 0.8rem;
    color: var(--ai-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 500;
}

/* --- Section Titles --- */
.ai-section {
    padding: 4rem 0;
}
.ai-section-title {
    font-size: clamp(1.6rem, 3.5vw, 2.2rem);
    font-weight: 700;
    color: var(--ai-text);
    text-align: center;
    margin-bottom: 0.5rem;
}
.ai-section-sub {
    text-align: center;
    color: var(--ai-muted);
    font-size: 1rem;
    margin-bottom: 3rem;
    max-width: 550px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
}

/* --- Tools Grid --- */
.ai-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 1.5rem;
    max-width: 1200px;
    margin: 0 auto;
}
.ai-card {
    background: var(--ai-card);
    border: 1px solid var(--ai-border);
    border-radius: var(--ai-radius);
    padding: 2rem;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    text-decoration: none;
}
.ai-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--ai-grad);
    opacity: 0;
    transition: opacity 0.3s;
}
.ai-card:hover {
    transform: translateY(-6px);
    background: var(--ai-card-hover);
    border-color: rgba(139,92,246,0.3);
    box-shadow: 0 20px 40px -15px rgba(0,0,0,0.3);
}
.ai-card:hover::before {
    opacity: 1;
}

/* Featured tool (prompt generator) */
.ai-card.ai-featured {
    border-color: rgba(139,92,246,0.3);
    background: linear-gradient(135deg, rgba(139,92,246,0.06), rgba(6,182,212,0.04));
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    align-items: center;
}
.ai-card.ai-featured::before {
    opacity: 1;
    background: var(--ai-grad);
}
.ai-featured-content {
    display: flex;
    flex-direction: column;
}
.ai-featured-visual {
    position: relative;
    background: rgba(255,255,255,0.03);
    border: 1px solid var(--ai-border);
    border-radius: 12px;
    padding: 1.5rem;
    overflow: hidden;
}
.ai-featured-visual::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(139,92,246,0.05), rgba(6,182,212,0.05));
    pointer-events: none;
}
.ai-prompt-demo {
    font-family: 'Courier New', monospace;
    font-size: 0.8rem;
    color: var(--ai-muted);
    line-height: 1.8;
    position: relative;
    z-index: 1;
}
.ai-prompt-demo .ai-prompt-label {
    color: var(--ai-purple);
    font-weight: 700;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 0.5rem;
    display: block;
    font-family: 'Inter', sans-serif;
}
.ai-prompt-demo .ai-prompt-text {
    color: var(--ai-text);
    opacity: 0.8;
}
.ai-prompt-cursor {
    display: inline-block;
    width: 2px;
    height: 1em;
    background: var(--ai-purple);
    animation: aiCursorBlink 1s step-end infinite;
    vertical-align: text-bottom;
    margin-left: 2px;
}
@keyframes aiCursorBlink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0; }
}

/* Card Icon */
.ai-card-icon {
    width: 52px;
    height: 52px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    margin-bottom: 1.2rem;
    flex-shrink: 0;
}

/* Icon variations */
.ai-icon-purple { background: rgba(139,92,246,0.12); color: #a78bfa; }
.ai-icon-blue { background: rgba(59,130,246,0.12); color: #60a5fa; }
.ai-icon-cyan { background: rgba(6,182,212,0.12); color: #22d3ee; }
.ai-icon-emerald { background: rgba(16,185,129,0.12); color: #34d399; }
.ai-icon-rose { background: rgba(244,63,94,0.12); color: #fb7185; }
.ai-icon-orange { background: rgba(249,115,22,0.12); color: #fb923c; }
.ai-icon-gold { background: rgba(234,179,8,0.12); color: #fbbf24; }

.ai-card h3 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--ai-text);
    margin-bottom: 0.6rem;
}
.ai-card p {
    color: var(--ai-muted);
    font-size: 0.9rem;
    line-height: 1.6;
    margin-bottom: 1.2rem;
    flex: 1;
}

/* Status badges */
.ai-status {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.7rem;
    font-weight: 600;
    padding: 0.25rem 0.7rem;
    border-radius: 50px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.ai-status-live {
    background: rgba(16,185,129,0.12);
    color: #34d399;
    border: 1px solid rgba(16,185,129,0.2);
}
.ai-status-live::before {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: #34d399;
    animation: aiPulse 2s ease-in-out infinite;
}
.ai-status-soon {
    background: rgba(234,179,8,0.1);
    color: #fbbf24;
    border: 1px solid rgba(234,179,8,0.2);
}
@keyframes aiPulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(0.8); }
}

/* Card Tags */
.ai-card-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    margin-bottom: 1rem;
}
.ai-tag {
    font-size: 0.7rem;
    padding: 0.2rem 0.6rem;
    border-radius: 50px;
    background: rgba(255,255,255,0.06);
    color: var(--ai-muted);
    font-weight: 500;
    border: 1px solid rgba(255,255,255,0.06);
}
[data-theme="light"] .ai-tag {
    background: rgba(0,0,0,0.04);
    border-color: rgba(0,0,0,0.06);
}

/* Card Action Link */
.ai-card-link {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    color: var(--ai-purple);
    font-size: 0.85rem;
    font-weight: 600;
    text-decoration: none;
    transition: gap 0.3s;
    margin-top: auto;
}
.ai-card-link:hover {
    gap: 0.8rem;
}
.ai-card-link.ai-disabled {
    color: var(--ai-muted);
    opacity: 0.5;
    pointer-events: none;
}

/* --- Coming Soon Overlay for disabled cards --- */
.ai-card.ai-card-soon {
    cursor: default;
}
.ai-card.ai-card-soon:hover {
    transform: translateY(-3px);
}

/* --- How It Works --- */
.ai-how {
    padding: 4rem 0;
}
.ai-how-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    max-width: 900px;
    margin: 0 auto;
    position: relative;
}
.ai-how-grid::before {
    content: '';
    position: absolute;
    top: 40px;
    left: 16%;
    right: 16%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--ai-purple), var(--ai-cyan), transparent);
    opacity: 0.3;
}
.ai-how-step {
    text-align: center;
    position: relative;
    z-index: 1;
}
.ai-how-num {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--ai-grad);
    color: #fff;
    font-size: 1.1rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    box-shadow: 0 4px 20px rgba(139,92,246,0.3);
}
.ai-how-step h4 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--ai-text);
    margin-bottom: 0.4rem;
}
.ai-how-step p {
    font-size: 0.85rem;
    color: var(--ai-muted);
    line-height: 1.5;
}

/* --- Use Cases / Benefits --- */
.ai-benefits {
    padding: 4rem 0;
}
.ai-benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 1.5rem;
    max-width: 1000px;
    margin: 0 auto;
}
.ai-benefit {
    padding: 1.5rem;
    border-radius: var(--ai-radius);
    background: var(--ai-card);
    border: 1px solid var(--ai-border);
    text-align: center;
    transition: all 0.3s;
}
.ai-benefit:hover {
    border-color: rgba(139,92,246,0.25);
    transform: translateY(-3px);
}
.ai-benefit-icon {
    font-size: 1.6rem;
    margin-bottom: 0.8rem;
    background: var(--ai-grad);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.ai-benefit h4 {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--ai-text);
    margin-bottom: 0.4rem;
}
.ai-benefit p {
    font-size: 0.8rem;
    color: var(--ai-muted);
    line-height: 1.5;
}

/* --- CTA Box --- */
.ai-cta {
    padding: 4rem 0;
}
.ai-cta-box {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
    padding: 3rem 2rem;
    border-radius: var(--ai-radius);
    background: linear-gradient(135deg, rgba(139,92,246,0.08), rgba(6,182,212,0.06));
    border: 1px solid rgba(139,92,246,0.2);
    position: relative;
    overflow: hidden;
}
.ai-cta-box::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--ai-grad);
}
.ai-cta-box h2 {
    font-size: clamp(1.4rem, 3vw, 1.8rem);
    font-weight: 700;
    color: var(--ai-text);
    margin-bottom: 0.8rem;
}
.ai-cta-box p {
    color: var(--ai-muted);
    font-size: 0.95rem;
    margin-bottom: 2rem;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
}
.ai-cta-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* --- Responsive --- */
@media (max-width: 768px) {
    .ai-hero {
        padding: 7rem 0 2rem;
    }
    .ai-stats {
        grid-template-columns: repeat(3, 1fr);
        gap: 1rem;
    }
    .ai-grid {
        grid-template-columns: 1fr;
    }
    .ai-card.ai-featured {
        grid-template-columns: 1fr;
    }
    .ai-featured-visual {
        display: none;
    }
    .ai-how-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    .ai-how-grid::before {
        display: none;
    }
    .ai-benefits-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 480px) {
    .ai-hero h1 {
        font-size: 1.6rem;
    }
    .ai-stats {
        grid-template-columns: 1fr;
    }
    .ai-benefits-grid {
        grid-template-columns: 1fr;
    }
    .ai-hero-actions {
        flex-direction: column;
        align-items: center;
    }
    .ai-cta-actions {
        flex-direction: column;
        align-items: center;
    }
}