/*
 * Skeleton Loading States
 * Soft, rounded shimmer animation
 */

/* ═══════════════════════════════════════════════════════════
   BASE SKELETON
═══════════════════════════════════════════════════════════ */

.skeleton {
    position: relative;
    overflow: hidden;
    background: linear-gradient(
        135deg,
        var(--color-surface-cream) 0%,
        var(--color-surface-warm) 100%
    );
    border-radius: var(--radius-md);
}

.skeleton::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.5),
        transparent
    );
    animation: skeleton-shimmer 2s ease-in-out infinite;
}

@keyframes skeleton-shimmer {
    0% {
        transform: translateX(-100%);
    }
    100% {
        transform: translateX(100%);
    }
}

/* ═══════════════════════════════════════════════════════════
   SKELETON VARIANTS
═══════════════════════════════════════════════════════════ */

/* Text lines */
.skeleton-text {
    height: 1em;
    margin-bottom: 0.75em;
    border-radius: var(--radius-sm);
}

.skeleton-text:last-child {
    width: 70%;
}

.skeleton-text-sm {
    height: 0.875em;
    margin-bottom: 0.5em;
}

.skeleton-text-lg {
    height: 1.25em;
    margin-bottom: 1em;
}

/* Headings */
.skeleton-heading {
    height: 2.5em;
    width: 60%;
    margin-bottom: 1rem;
    border-radius: var(--radius-md);
}

.skeleton-heading-lg {
    height: 3.5em;
    width: 80%;
    margin-bottom: 1.5rem;
    border-radius: var(--radius-lg);
}

.skeleton-subheading {
    height: 1.5em;
    width: 40%;
    margin-bottom: 2rem;
    border-radius: var(--radius-sm);
}

/* Images */
.skeleton-image {
    aspect-ratio: 16/9;
    border-radius: var(--radius-xl);
}

.skeleton-image-square {
    aspect-ratio: 1;
    border-radius: var(--radius-xl);
}

.skeleton-image-portrait {
    aspect-ratio: 3/4;
    border-radius: var(--radius-xl);
}

.skeleton-avatar {
    width: 80px;
    height: 80px;
    border-radius: var(--radius-full);
}

.skeleton-avatar-lg {
    width: 120px;
    height: 120px;
    border-radius: var(--radius-full);
}

/* Buttons */
.skeleton-button {
    height: 52px;
    width: 200px;
    border-radius: var(--radius-full);
}

.skeleton-button-sm {
    height: 44px;
    width: 140px;
    border-radius: var(--radius-full);
}

/* Cards */
.skeleton-card {
    padding: var(--space-xl);
    background: var(--color-surface);
    border: 1px solid var(--color-border-soft);
    border-radius: var(--radius-xl);
}

/* Video */
.skeleton-video {
    aspect-ratio: 16/9;
    background: linear-gradient(
        135deg,
        var(--color-surface-dark) 0%,
        #4a3f38 100%
    );
    border-radius: var(--radius-xl);
}

.skeleton-video::after {
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.08),
        transparent
    );
}

/* Logos */
.skeleton-logo {
    height: 40px;
    width: 120px;
    border-radius: var(--radius-md);
}

/* ═══════════════════════════════════════════════════════════
   SKELETON GROUPS
═══════════════════════════════════════════════════════════ */

/* Hero section */
.skeleton-hero {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: var(--section-padding) var(--container-padding);
    min-height: 80vh;
    justify-content: center;
}

.skeleton-hero .skeleton-heading-lg {
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.skeleton-hero .skeleton-subheading {
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* About section */
.skeleton-about {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--grid-gap);
    align-items: center;
}

@media (max-width: 768px) {
    .skeleton-about {
        grid-template-columns: 1fr;
    }
}

/* Product card */
.skeleton-product-card {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

/* Interview list */
.skeleton-interview {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--grid-gap);
    align-items: start;
}

@media (max-width: 768px) {
    .skeleton-interview {
        grid-template-columns: 1fr;
    }
}

/* Community grid */
.skeleton-community-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--grid-gap);
}

/* Media logos */
.skeleton-media-row {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-xl);
    justify-content: center;
    align-items: center;
}

/* ═══════════════════════════════════════════════════════════
   FADE IN ANIMATIONS — Smoother, slower
═══════════════════════════════════════════════════════════ */

.fade-in {
    animation: fadeIn var(--duration-slow) var(--ease-smooth) forwards;
}

.fade-in-up {
    animation: fadeInUp var(--duration-slow) var(--ease-smooth) forwards;
}

.fade-in-delayed {
    opacity: 0;
    animation: fadeIn var(--duration-slow) var(--ease-smooth) forwards;
    animation-delay: 300ms;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInScale {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* Stagger animation for lists — slower */
.stagger-item {
    opacity: 0;
    animation: fadeInUp var(--duration-slow) var(--ease-smooth) forwards;
}

.stagger-item:nth-child(1) { animation-delay: 0ms; }
.stagger-item:nth-child(2) { animation-delay: 150ms; }
.stagger-item:nth-child(3) { animation-delay: 300ms; }
.stagger-item:nth-child(4) { animation-delay: 450ms; }
.stagger-item:nth-child(5) { animation-delay: 600ms; }
.stagger-item:nth-child(6) { animation-delay: 750ms; }

/* ═══════════════════════════════════════════════════════════
   LOADING STATE TOGGLE
═══════════════════════════════════════════════════════════ */

[data-loading="true"] .content-loaded {
    display: none;
}

[data-loading="false"] .skeleton,
[data-loading="false"] .skeleton-group {
    display: none;
}

/* Default: content hidden */
.content-loaded {
    display: none;
}

[data-loaded] .content-loaded {
    display: block;
}

[data-loaded] .skeleton-group {
    display: none;
}