/**
 * Albireo - Components
 * Reusable UI elements: titles, buttons, cards, timeline, forms, etc.
 */

/* ═══════════════════════════════════════
   Site Loading Screen
   ═══════════════════════════════════════ */

.site-loader {
    position: fixed;
    inset: 0;
    z-index: 99999;
    background: var(--night-sky, #0a0e1a);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.site-loader.loaded {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.loader-content {
    text-align: center;
}

.loader-logo {
    width: 80px;
    height: 80px;
    animation: loaderPulse 1.5s ease-in-out infinite;
    filter: drop-shadow(0 0 20px rgba(var(--accent-rgb), 0.3));
    margin-bottom: 24px;
}

@keyframes loaderPulse {
    0%, 100% { opacity: 0.6; transform: scale(0.95); }
    50% { opacity: 1; transform: scale(1.05); }
}

.loader-spinner {
    width: 36px;
    height: 36px;
    margin: 0 auto;
    border: 2px solid rgba(var(--accent-rgb), 0.15);
    border-top-color: var(--soft-gold, #d4a574);
    border-radius: 50%;
    animation: loaderSpin 0.8s linear infinite;
}

@keyframes loaderSpin {
    to { transform: rotate(360deg); }
}

/* ═══════════════════════════════════════
   Section Titles
   ═══════════════════════════════════════ */

.section-title {
    font-family: var(--font-display);
    font-size: var(--fs-section-title);
    font-weight: 400;
    text-align: center;
    margin-bottom: 12px;
    color: var(--soft-gold);
    letter-spacing: 0.5px;
}

.section-intro {
    text-align: center;
    font-size: var(--fs-section-intro);
    color: var(--light-text);
    margin: 0 auto var(--spacing-large);
    font-weight: 300;
    line-height: 1.85;
    max-width: 650px;
}

.section-cta {
    text-align: center;
    margin-top: var(--spacing-large);
}

/* ═══════════════════════════════════════
   Buttons
   ═══════════════════════════════════════ */

.btn {
    display: inline-block;
    padding: 14px 36px;
    font-weight: 500;
    font-size: 1rem;
    border-radius: var(--radius-round);
    transition: var(--transition-base);
    cursor: pointer;
    text-align: center;
    letter-spacing: 0.3px;
}

.btn-primary {
    background: var(--soft-gold);
    color: var(--night-sky);
    border: 2px solid var(--soft-gold);
}

.btn-primary:hover {
    background: var(--gold-light);
    border-color: var(--gold-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

.btn-outline {
    background: transparent;
    color: var(--soft-gold);
    border: 2px solid var(--soft-gold);
}

.btn-outline:hover {
    background: var(--soft-gold);
    color: var(--night-sky);
    transform: translateY(-2px);
}

.btn-large {
    padding: 16px 48px;
    font-size: 1.05rem;
}

/* ═══════════════════════════════════════
   Cards
   ═══════════════════════════════════════ */

.card {
    background: var(--card-bg);
    border-radius: var(--radius-medium);
    border: 1px solid var(--subtle-border);
    transition: var(--transition-base);
    box-shadow: var(--shadow-card);
}

.card:hover {
    background: var(--card-bg-hover);
    border-color: rgba(var(--accent-rgb), 0.3);
    transform: translateY(-4px);
    box-shadow: var(--shadow-card-hover);
}

.card-icon {
    font-size: 2.5rem;
    margin-bottom: 18px;
    display: block;
}

.card-title {
    font-size: var(--fs-card-title);
    margin-bottom: 10px;
    font-weight: 500;
    color: var(--warm-white);
}

.card-text {
    color: var(--light-text);
    line-height: 1.75;
    font-size: 1rem;
}

/* ═══════════════════════════════════════
   Highlight Box
   ═══════════════════════════════════════ */

.highlight-box {
    background: rgba(var(--accent-rgb), 0.06);
    padding: 30px 35px;
    border-right: 3px solid var(--soft-gold);
    margin: var(--spacing-medium) 0;
    border-radius: 0 var(--radius-small) var(--radius-small) 0;
}

[dir="ltr"] .highlight-box {
    border-right: none;
    border-left: 3px solid var(--soft-gold);
    border-radius: var(--radius-small) 0 0 var(--radius-small);
}

.highlight-box p {
    margin-bottom: 12px;
    line-height: 1.9;
}

.highlight-box p:last-child {
    margin-bottom: 0;
}

/* ═══════════════════════════════════════
   Timeline
   ═══════════════════════════════════════ */

.timeline {
    max-width: 700px;
    margin: 0 auto;
}

.timeline-item {
    display: flex;
    gap: 30px;
    margin-bottom: 45px;
    position: relative;
}

.timeline-item::before {
    content: '';
    position: absolute;
    right: 69px;
    top: 30px;
    bottom: -45px;
    width: 1px;
    background: linear-gradient(to bottom, var(--subtle-border), transparent);
}

[dir="ltr"] .timeline-item::before {
    right: auto;
    left: 69px;
}

.timeline-item:last-child::before {
    display: none;
}

.timeline-year {
    font-family: var(--font-display);
    font-size: 1.25rem;
    color: var(--soft-gold);
    font-weight: 600;
    min-width: 70px;
    text-align: center;
    padding-top: 4px;
    position: relative;
}

.timeline-year::after {
    content: '';
    position: absolute;
    top: 12px;
    left: -8px;
    width: 6px;
    height: 6px;
    background: var(--soft-gold);
    border-radius: 50%;
}

[dir="rtl"] .timeline-year::after {
    left: auto;
    right: -8px;
}

.timeline-content h3 {
    font-size: 1.2rem;
    margin-bottom: 6px;
    font-weight: 500;
    color: var(--warm-white);
}

.timeline-content p {
    color: var(--light-text);
    font-size: 1rem;
    line-height: 1.7;
}

/* ═══════════════════════════════════════
   Media Card
   ═══════════════════════════════════════ */

.media-card {
    background: var(--card-bg);
    border-radius: var(--radius-medium);
    overflow: hidden;
    border: 1px solid var(--subtle-border);
    transition: var(--transition-base);
    box-shadow: var(--shadow-card);
}

.media-card:hover {
    transform: translateY(-4px);
    border-color: rgba(var(--accent-rgb), 0.3);
    box-shadow: var(--shadow-card-hover);
}

.media-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    transition: var(--transition-slow);
}

.media-card:hover .media-image {
    transform: scale(1.03);
}

.media-content {
    padding: 24px;
}

.media-tag {
    display: inline-block;
    padding: 4px 12px;
    background: rgba(var(--accent-rgb), 0.15);
    color: var(--soft-gold);
    border-radius: var(--radius-round);
    font-size: var(--fs-tiny);
    font-weight: 500;
    margin-bottom: 12px;
    letter-spacing: 0.3px;
}

.media-title {
    font-size: 1.1rem;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--warm-white);
}

.media-description {
    font-size: var(--fs-small);
    color: var(--light-text);
    line-height: 1.7;
}

.media-link {
    display: inline-block;
    margin-top: 12px;
    color: var(--soft-gold);
    font-size: var(--fs-small);
    transition: var(--transition-base);
}

.media-link:hover {
    color: var(--gold-light);
}

/* ═══════════════════════════════════════
   News Card
   ═══════════════════════════════════════ */

.news-card {
    overflow: hidden;
}

.news-image {
    overflow: hidden;
}

.news-image img {
    width: 100%;
    height: 220px;
    object-fit: cover;
    transition: var(--transition-slow);
}

.news-card:hover .news-image img {
    transform: scale(1.05);
}

.news-content {
    padding: 24px;
}

.news-date {
    font-size: var(--fs-tiny);
    color: var(--gold-dim);
    display: block;
    margin-bottom: 8px;
}

.news-title {
    font-size: var(--fs-card-title);
    margin-bottom: 10px;
    font-weight: 500;
    color: var(--warm-white);
}

.news-excerpt {
    color: var(--light-text);
    font-size: var(--fs-small);
    line-height: 1.7;
    margin-bottom: 14px;
}

.news-link {
    color: var(--soft-gold);
    font-size: var(--fs-small);
    font-weight: 500;
    transition: var(--transition-base);
}

.news-link:hover {
    color: var(--gold-light);
}

/* ═══════════════════════════════════════
   Social Links
   ═══════════════════════════════════════ */

.social-links {
    display: flex;
    gap: 12px;
}

.social-links a {
    width: 42px;
    height: 42px;
    background: rgba(255, 255, 255, 0.04);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.05rem;
    border: 1px solid var(--subtle-border);
    transition: var(--transition-base);
    color: var(--light-text);
}

.social-links a svg {
    width: 18px;
    height: 18px;
    fill: currentColor;
}

.social-links a:hover {
    background: var(--soft-gold);
    color: var(--night-sky);
    border-color: var(--soft-gold);
    transform: translateY(-2px);
}

/* ═══════════════════════════════════════
   Forms
   ═══════════════════════════════════════ */

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: var(--spacing-medium);
}

.form-full {
    grid-column: 1 / -1;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-size: var(--fs-small);
    color: var(--light-text);
    font-weight: 400;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 14px 18px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--subtle-border);
    border-radius: var(--radius-small);
    color: var(--warm-white);
    font-size: 1rem;
    transition: var(--transition-base);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--soft-gold);
    background: rgba(255, 255, 255, 0.06);
    box-shadow: 0 0 0 3px rgba(var(--accent-rgb), 0.1);
}

.form-group input.error,
.form-group textarea.error {
    border-color: var(--error);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: rgba(184, 188, 198, 0.4);
}

.form-group select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23b8bcc6' fill='none' stroke-width='1.5'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: left 16px center;
    padding-left: 38px;
}

[dir="ltr"] .form-group select {
    background-position: right 16px center;
    padding-left: 18px;
    padding-right: 38px;
}

.form-group select option {
    background: var(--deep-blue);
    color: var(--warm-white);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.form-status {
    margin-top: 16px;
    padding: 0;
    text-align: center;
    font-size: var(--fs-small);
    transition: var(--transition-base);
}

.form-status.success {
    color: var(--success);
    padding: 12px;
}

.form-status.error {
    color: var(--error);
    padding: 12px;
}

/* ═══════════════════════════════════════
   Animations
   ═══════════════════════════════════════ */

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

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

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulse {
    0%, 100% { opacity: 0.6; }
    50% { opacity: 1; }
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

/* Skip to content (accessibility) */
.skip-to-content {
    position: absolute;
    top: -100px;
    left: 0;
    background: var(--soft-gold);
    color: #0a0e1a;
    padding: 10px 20px;
    z-index: 10000;
    font-weight: 600;
    transition: top 0.2s;
    text-decoration: none;
    border-radius: 0 0 8px 0;
}

[dir="rtl"] .skip-to-content {
    left: auto;
    right: 0;
    border-radius: 0 0 0 8px;
}

.skip-to-content:focus {
    top: 0;
}

/* Scroll-triggered animations */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(25px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Stagger children */
.animate-on-scroll:nth-child(2) { transition-delay: 0.1s; }
.animate-on-scroll:nth-child(3) { transition-delay: 0.2s; }
.animate-on-scroll:nth-child(4) { transition-delay: 0.3s; }
.animate-on-scroll:nth-child(5) { transition-delay: 0.4s; }
.animate-on-scroll:nth-child(6) { transition-delay: 0.5s; }

/* Scale-in animation for cards */
.animate-scale {
    opacity: 0;
    transform: scale(0.95);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.animate-scale.visible {
    opacity: 1;
    transform: scale(1);
}

/* Slide from side */
.animate-slide-right {
    opacity: 0;
    transform: translateX(40px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}
[dir="ltr"] .animate-slide-right {
    transform: translateX(-40px);
}
.animate-slide-right.visible {
    opacity: 1;
    transform: translateX(0);
}

/* Gold underline decoration for section titles */
.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 2px;
    background: linear-gradient(90deg, var(--soft-gold), transparent);
    margin: 16px auto 0;
}

[dir="rtl"] .section-title::after {
    background: linear-gradient(-90deg, var(--soft-gold), transparent);
}

/* ═══════════════════════════════════════
   Responsive Forms
   ═══════════════════════════════════════ */

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

    .timeline-item {
        gap: 20px;
    }

    .timeline-year {
        min-width: 55px;
        font-size: 1.1rem;
    }

    .timeline-item::before {
        right: 54px;
    }

    [dir="ltr"] .timeline-item::before {
        left: 54px;
    }
}