/* ==========================================================================
   AI Components — Design System CSS
   v2.0.0
   ========================================================================== */

/* --------------------------------------------------------------------------
   Tokens
   -------------------------------------------------------------------------- */
:root {
    --aic-font:        -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --aic-primary:     #667eea;
    --aic-primary-end: #764ba2;
    --aic-success:     #10b981;
    --aic-warning:     #f59e0b;

    --aic-text:        #0f172a;
    --aic-text-muted:  #64748b;
    --aic-border:      #e2e8f0;
    --aic-bg:          #f8fafc;
    --aic-white:       #ffffff;

    --aic-radius-sm:   6px;
    --aic-radius-md:   12px;
    --aic-radius-lg:   18px;
    --aic-radius-xl:   28px;
    --aic-radius-full: 9999px;

    --aic-shadow-sm:   0 1px 4px rgba(0,0,0,.07);
    --aic-shadow-md:   0 4px 20px rgba(0,0,0,.08);
    --aic-shadow-lg:   0 12px 40px rgba(0,0,0,.11);
    --aic-shadow-xl:   0 24px 64px rgba(0,0,0,.14);

    --aic-transition:  all .22s cubic-bezier(.4,0,.2,1);
    --aic-gradient:    linear-gradient(135deg, var(--aic-primary), var(--aic-primary-end));
}

/* --------------------------------------------------------------------------
   Buttons
   -------------------------------------------------------------------------- */
.aic-btn {
    display:         inline-flex;
    align-items:     center;
    gap:             6px;
    padding:         10px 20px;
    font-family:     var(--aic-font);
    font-size:       .9rem;
    font-weight:     600;
    line-height:     1;
    letter-spacing:  .2px;
    border-radius:   var(--aic-radius-sm);
    text-decoration: none;
    cursor:          pointer;
    transition:      var(--aic-transition);
    white-space:     nowrap;
    border:          2px solid transparent;
}

.aic-btn--primary {
    background:  var(--aic-gradient);
    color:       var(--aic-white) !important;
    box-shadow:  0 4px 14px rgba(102,126,234,.35);
}
.aic-btn--primary:hover {
    opacity:     .9;
    transform:   translateY(-1px);
    box-shadow:  0 6px 20px rgba(102,126,234,.45);
}

.aic-btn--ghost {
    background:  transparent;
    color:       var(--aic-text) !important;
    border-color: var(--aic-border);
}
.aic-btn--ghost:hover {
    background:  var(--aic-bg);
    border-color: #cbd5e1;
    transform:   translateY(-1px);
}

.aic-btn--lg {
    padding:     13px 26px;
    font-size:   1rem;
    border-radius: var(--aic-radius-md);
}

.aic-btn__icon {
    width:  16px;
    height: 16px;
    flex-shrink: 0;
}

/* --------------------------------------------------------------------------
   Card
   -------------------------------------------------------------------------- */
.aic-card {
    font-family:   var(--aic-font);
    background:    var(--aic-white);
    border-radius: var(--aic-radius-lg);
    border:        1px solid var(--aic-border);
    overflow:      hidden;
    display:       flex;
    flex-direction: column;
    transition:    var(--aic-transition);
    box-shadow:    var(--aic-shadow-sm);
}
.aic-card:hover {
    transform:  translateY(-5px);
    box-shadow: var(--aic-shadow-lg);
    border-color: transparent;
}

.aic-card--featured {
    border-color:  var(--aic-primary);
    box-shadow:    0 0 0 1px var(--aic-primary), var(--aic-shadow-md);
}
.aic-card--featured:hover {
    box-shadow:  0 0 0 2px var(--aic-primary), var(--aic-shadow-lg);
    border-color: var(--aic-primary);
}

.aic-card__media {
    position:    relative;
    overflow:    hidden;
    flex-shrink: 0;
}

.aic-card__img {
    width:      100%;
    height:     200px;
    object-fit: cover;
    display:    block;
    transition: transform .4s ease;
}
.aic-card:hover .aic-card__img {
    transform: scale(1.04);
}

.aic-card__img-placeholder {
    width:      100%;
    height:     200px;
    background: var(--aic-gradient);
    position:   relative;
    overflow:   hidden;
}
.aic-card__img-placeholder::after {
    content:    '';
    position:   absolute;
    inset:      0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.06'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E") repeat;
}

.aic-card__badge {
    position:      absolute;
    top:           14px;
    left:          14px;
    padding:       4px 10px;
    border-radius: var(--aic-radius-full);
    font-family:   var(--aic-font);
    font-size:     .75rem;
    font-weight:   700;
    color:         var(--aic-white);
    letter-spacing: .4px;
    text-transform: uppercase;
    box-shadow:    0 2px 8px rgba(0,0,0,.18);
}

.aic-card__body {
    padding:        24px;
    display:        flex;
    flex-direction: column;
    flex:           1;
    gap:            12px;
}

.aic-card__title {
    margin:      0;
    font-size:   1.2rem;
    font-weight: 700;
    color:       var(--aic-text);
    line-height: 1.3;
}

.aic-card__text {
    margin:      0;
    font-size:   .9rem;
    color:       var(--aic-text-muted);
    line-height: 1.65;
    flex:        1;
}

.aic-card__footer {
    margin-top: 4px;
}

/* --------------------------------------------------------------------------
   Hero
   -------------------------------------------------------------------------- */
.aic-hero {
    font-family:  var(--aic-font);
    background:   var(--aic-white);
    border:       1px solid var(--aic-border);
    border-radius: var(--aic-radius-xl);
    overflow:     hidden;
    position:     relative;
    margin-bottom: 0;
}
.aic-hero::before {
    content:    '';
    position:   absolute;
    top:        -160px;
    right:      -160px;
    width:      500px;
    height:     500px;
    background: radial-gradient(circle, rgba(102,126,234,.12) 0%, transparent 65%);
    pointer-events: none;
}
.aic-hero::after {
    content:    '';
    position:   absolute;
    bottom:     -120px;
    left:       -120px;
    width:      400px;
    height:     400px;
    background: radial-gradient(circle, rgba(118,75,162,.09) 0%, transparent 65%);
    pointer-events: none;
}

.aic-hero__inner {
    position:       relative;
    z-index:        1;
    display:        flex;
    align-items:    center;
    gap:            48px;
    padding:        80px 64px;
}

.aic-hero--center .aic-hero__inner {
    flex-direction:  column;
    text-align:      center;
    padding:         96px 64px;
}

.aic-hero__content {
    flex: 1;
    min-width: 0;
}

.aic-hero__eyebrow {
    display:         inline-flex;
    align-items:     center;
    padding:         6px 14px;
    margin-bottom:   20px;
    background:      rgba(102,126,234,.1);
    border:          1px solid rgba(102,126,234,.25);
    border-radius:   var(--aic-radius-full);
    font-size:       .8rem;
    font-weight:     600;
    color:           var(--aic-primary);
    letter-spacing:  .4px;
    text-transform:  uppercase;
}

.aic-hero__heading {
    margin:      0 0 20px;
    font-size:   clamp(2rem, 4vw, 3.25rem);
    font-weight: 800;
    color:       var(--aic-text);
    line-height: 1.15;
    letter-spacing: -.02em;
}

.aic-hero__subheading {
    margin:      0 0 36px;
    font-size:   clamp(1rem, 1.5vw, 1.15rem);
    color:       var(--aic-text-muted);
    line-height: 1.7;
    max-width:   580px;
}

.aic-hero--center .aic-hero__subheading {
    margin-left:  auto;
    margin-right: auto;
}

.aic-hero__actions {
    display:     flex;
    align-items: center;
    gap:         14px;
    flex-wrap:   wrap;
}

.aic-hero--center .aic-hero__actions {
    justify-content: center;
}

.aic-hero__media {
    flex-shrink: 0;
    max-width:   420px;
}
.aic-hero__img {
    width:         100%;
    border-radius: var(--aic-radius-lg);
    box-shadow:    var(--aic-shadow-xl);
}

/* --------------------------------------------------------------------------
   Grid
   -------------------------------------------------------------------------- */
.aic-grid-wrap {
    width: 100%;
}

.aic-grid__label {
    display:     inline-block;
    margin-bottom: 20px;
    padding:     4px 12px;
    background:  var(--aic-bg);
    border:      1px solid var(--aic-border);
    border-radius: var(--aic-radius-full);
    font-family: var(--aic-font);
    font-size:   .78rem;
    font-weight: 600;
    color:       var(--aic-text-muted);
    text-transform: uppercase;
    letter-spacing: .5px;
}

.aic-grid {
    display:               grid;
    grid-template-columns: repeat(var(--aic-cols, 3), 1fr);
    gap:                   var(--aic-gap, 28px);
    width:                 100%;
}

/* --------------------------------------------------------------------------
   Showcase wrapper
   -------------------------------------------------------------------------- */
.aic-showcase {
    font-family: var(--aic-font);
    max-width:   1200px;
    margin:      0 auto;
    padding:     0 24px;
}

.aic-showcase__section {
    padding:       64px 0;
    border-bottom: 1px solid var(--aic-border);
}
.aic-showcase__section:last-child {
    border-bottom: none;
}

.aic-showcase__header {
    margin-bottom: 36px;
}

.aic-showcase__tag {
    display:         inline-block;
    padding:         3px 10px;
    margin-bottom:   10px;
    background:      rgba(102,126,234,.1);
    border-radius:   var(--aic-radius-full);
    font-size:       .75rem;
    font-weight:     700;
    color:           var(--aic-primary);
    text-transform:  uppercase;
    letter-spacing:  .5px;
}

.aic-showcase__title {
    margin:      0 0 8px;
    font-size:   1.6rem;
    font-weight: 800;
    color:       var(--aic-text);
    letter-spacing: -.02em;
}

.aic-showcase__desc {
    margin:    0;
    font-size: .95rem;
    color:     var(--aic-text-muted);
}
.aic-showcase__desc code {
    background:    rgba(102,126,234,.08);
    padding:       2px 6px;
    border-radius: 4px;
    font-size:     .85em;
    color:         var(--aic-primary);
}

/* --------------------------------------------------------------------------
   Responsive
   -------------------------------------------------------------------------- */
@media (max-width: 1024px) {
    .aic-grid {
        grid-template-columns: repeat(min(var(--aic-cols, 3), 2), 1fr);
    }
    .aic-hero__inner {
        padding: 60px 40px;
    }
}

@media (max-width: 768px) {
    .aic-hero__inner,
    .aic-hero--center .aic-hero__inner {
        flex-direction: column;
        padding:        48px 28px;
        text-align:     center;
    }
    .aic-hero__actions {
        justify-content: center;
    }
    .aic-hero__subheading {
        margin-left:  auto;
        margin-right: auto;
    }
    .aic-hero__media {
        max-width: 100%;
    }
    .aic-grid {
        grid-template-columns: 1fr;
    }
    .aic-showcase {
        padding: 0 16px;
    }
    .aic-showcase__section {
        padding: 40px 0;
    }
}