/**
 * Section Enhancements CSS
 * تحسينات متقدمة لجميع الأقسام
 * Phase 4.0 - Premium Experience
 */

/* =====================
 * SECTION BACKGROUNDS
 * ===================== */

.section-bg-surface {
    background-color: var(--color-surface);
}

.section-bg-surface-alt {
    background-color: var(--color-surface-alt, #f3f4f6);
}

.section-bg-primary {
    background: var(--color-surface, #ffffff);
    color: var(--color-text);
}

.section-bg-primary h1, .section-bg-primary h2, .section-bg-primary h3,
.section-bg-primary h4, .section-bg-primary h5, .section-bg-primary h6 {
    color: var(--color-primary);
}

.section-bg-primary p, .section-bg-primary span {
    color: var(--color-text-light);
}

.section-bg-gradient {
    background: var(--color-surface, #ffffff);
    color: var(--color-text);
}

.section-bg-gradient h1, .section-bg-gradient h2, .section-bg-gradient h3,
.section-bg-gradient h4, .section-bg-gradient h5, .section-bg-gradient h6 {
    color: var(--color-primary);
}

.section-bg-dark {
    background-color: var(--color-surface, #ffffff);
    color: var(--color-text, #1f2937);
}

.section-bg-dark h1, .section-bg-dark h2, .section-bg-dark h3 {
    color: var(--color-text, #1f2937);
}

.section-bg-dark p {
    color: var(--color-text-light, #6b7280);
}

.section-bg-transparent {
    background: transparent;
}

/* Background Patterns */
.section-bg-pattern-dots {
    position: relative;
    background-color: var(--color-surface);
}

.section-bg-pattern-dots::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: radial-gradient(circle, var(--color-primary) 1px, transparent 1px);
    background-size: 24px 24px;
    opacity: 0.08;
    pointer-events: none;
}

.section-bg-pattern-grid {
    position: relative;
    background-color: var(--color-surface);
}

.section-bg-pattern-grid::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(to right, var(--color-border) 1px, transparent 1px),
        linear-gradient(to bottom, var(--color-border) 1px, transparent 1px);
    background-size: 40px 40px;
    opacity: 0.5;
    pointer-events: none;
}

/* =====================
 * SECTION PADDING
 * ===================== */

.section-pt-none { padding-top: 0 !important; }
.section-pt-sm { padding-top: var(--spacing-xl) !important; }
.section-pt-lg { padding-top: calc(var(--spacing-section) * 1.5) !important; }
.section-pt-xl { padding-top: calc(var(--spacing-section) * 2) !important; }

.section-pb-none { padding-bottom: 0 !important; }
.section-pb-sm { padding-bottom: var(--spacing-xl) !important; }
.section-pb-lg { padding-bottom: calc(var(--spacing-section) * 1.5) !important; }
.section-pb-xl { padding-bottom: calc(var(--spacing-section) * 2) !important; }

/* =====================
 * SECTION WIDTH
 * ===================== */

.section-width-narrow .section-inner {
    max-width: 800px;
}

.section-width-wide .section-inner {
    max-width: 1400px;
}

.section-width-full .section-inner {
    max-width: 100%;
    padding-inline: var(--spacing-lg);
}

/* =====================
 * SECTION DIVIDERS
 * ===================== */

.section-divider {
    position: absolute;
    left: 0;
    right: 0;
    width: 100%;
    overflow: hidden;
    line-height: 0;
    pointer-events: none;
}

.section-divider-top {
    top: -1px;
}

.section-divider-bottom {
    bottom: -1px;
}

.section-divider svg {
    display: block;
    width: calc(100% + 1.3px);
    height: 70px;
    fill: var(--color-surface);
}

/* Divider for dark sections */
.section-bg-dark + .section .section-divider-top svg,
.section-bg-primary + .section .section-divider-top svg,
.section-bg-gradient + .section .section-divider-top svg {
    fill: var(--color-surface);
}

.section-bg-dark .section-divider-bottom svg {
    fill: var(--color-surface);
}

/* =====================
 * ANIMATIONS (AOS-like)
 * ===================== */

/* Base animation setup */
[data-aos] {
    opacity: 0;
    transition-property: transform, opacity;
    transition-duration: 0.8s;
    transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
}

[data-aos].aos-animate {
    opacity: 1;
}

/* Fade animations */
[data-aos="fade"] {
    opacity: 0;
}

[data-aos="fade-up"] {
    transform: translateY(40px);
}

[data-aos="fade-down"] {
    transform: translateY(-40px);
}

[data-aos="fade-right"] {
    transform: translateX(-40px);
}

[data-aos="fade-left"] {
    transform: translateX(40px);
}

/* Animated state */
[data-aos="fade"].aos-animate,
[data-aos="fade-up"].aos-animate,
[data-aos="fade-down"].aos-animate,
[data-aos="fade-right"].aos-animate,
[data-aos="fade-left"].aos-animate {
    opacity: 1;
    transform: translateY(0) translateX(0);
}

/* Zoom animations */
[data-aos="zoom-in"] {
    transform: scale(0.9);
}

[data-aos="zoom-in-up"] {
    transform: scale(0.9) translateY(40px);
}

[data-aos="zoom-in"].aos-animate,
[data-aos="zoom-in-up"].aos-animate {
    opacity: 1;
    transform: scale(1) translateY(0);
}

/* Flip animations */
[data-aos="flip-up"] {
    transform: perspective(2500px) rotateX(-20deg);
}

[data-aos="flip-up"].aos-animate {
    opacity: 1;
    transform: perspective(2500px) rotateX(0);
}

/* Slide animations */
[data-aos="slide-up"] {
    transform: translateY(100%);
}

[data-aos="slide-up"].aos-animate {
    opacity: 1;
    transform: translateY(0);
}

/* Stagger children animation */
[data-stagger] > * {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

[data-stagger].aos-animate > *:nth-child(1) { transition-delay: 0ms; }
[data-stagger].aos-animate > *:nth-child(2) { transition-delay: 100ms; }
[data-stagger].aos-animate > *:nth-child(3) { transition-delay: 200ms; }
[data-stagger].aos-animate > *:nth-child(4) { transition-delay: 300ms; }
[data-stagger].aos-animate > *:nth-child(5) { transition-delay: 400ms; }
[data-stagger].aos-animate > *:nth-child(6) { transition-delay: 500ms; }

[data-stagger].aos-animate > * {
    opacity: 1;
    transform: translateY(0);
}

/* =====================
 * DARK MODE SUPPORT
 * ===================== */

@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) {
        --color-background: #0f172a;
        --color-surface: #1e293b;
        --color-surface-alt: #334155;
        --color-text: #f1f5f9;
        --color-text-light: #94a3b8;
        --color-text-muted: #64748b;
        --color-border: #334155;
    }
}

[data-theme="dark"] {
    --color-background: #0f172a;
    --color-surface: #1e293b;
    --color-surface-alt: #334155;
    --color-text: #f1f5f9;
    --color-text-light: #94a3b8;
    --color-text-muted: #64748b;
    --color-border: #334155;
}

/* Dark mode specific adjustments */
[data-theme="dark"] .section-bg-surface {
    background-color: var(--color-surface);
}

[data-theme="dark"] .section-bg-surface-alt {
    background-color: var(--color-surface-alt);
}

[data-theme="dark"] .section-bg-pattern-dots::before {
    opacity: 0.15;
}

[data-theme="dark"] .section-bg-pattern-grid::before {
    opacity: 0.3;
}

/* Cards in dark mode */
[data-theme="dark"] .doctor-card,
[data-theme="dark"] .feature-card,
[data-theme="dark"] .booking-form,
[data-theme="dark"] .faq-item {
    background-color: var(--color-surface);
    border-color: var(--color-border);
}

[data-theme="dark"] .shadow-sm,
[data-theme="dark"] .shadow-md,
[data-theme="dark"] .shadow-lg {
    --tw-shadow-color: rgba(0, 0, 0, 0.5);
}

/* =====================
 * HOVER EFFECTS
 * ===================== */

.hover-lift {
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.hover-lift:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.hover-scale {
    transition: transform var(--transition-normal);
}

.hover-scale:hover {
    transform: scale(1.02);
}

.hover-glow {
    transition: box-shadow var(--transition-normal);
}

.hover-glow:hover {
    box-shadow: 0 0 20px rgba(var(--color-primary-rgb, 37, 99, 235), 0.3);
}

/* =====================
 * REDUCED MOTION
 * ===================== */

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    [data-aos] {
        opacity: 1 !important;
        transform: none !important;
    }

    [data-stagger] > * {
        opacity: 1 !important;
        transform: none !important;
    }
}

/* =====================
 * LOADING STATES
 * ===================== */

.section-loading {
    position: relative;
    min-height: 200px;
}

.section-loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 40px;
    height: 40px;
    margin: -20px 0 0 -20px;
    border: 3px solid var(--color-border);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* Skeleton loaders */
.skeleton {
    background: linear-gradient(
        90deg,
        var(--color-surface-alt) 25%,
        var(--color-surface) 50%,
        var(--color-surface-alt) 75%
    );
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s infinite;
    border-radius: var(--radius-base);
}

@keyframes skeleton-loading {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

.skeleton-text {
    height: 1em;
    margin-bottom: 0.5em;
}

.skeleton-title {
    height: 2em;
    width: 60%;
    margin-bottom: 1em;
}

.skeleton-image {
    aspect-ratio: 16/9;
}

.skeleton-avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
}

/* =====================
 * RESPONSIVE IMPROVEMENTS
 * ===================== */

@media (max-width: 768px) {
    .section {
        padding-block: var(--spacing-2xl);
    }

    .section-pt-lg { padding-top: var(--spacing-section) !important; }
    .section-pt-xl { padding-top: calc(var(--spacing-section) * 1.5) !important; }
    .section-pb-lg { padding-bottom: var(--spacing-section) !important; }
    .section-pb-xl { padding-bottom: calc(var(--spacing-section) * 1.5) !important; }

    .section-divider svg {
        height: 40px;
    }

    .section-header h2 {
        font-size: var(--font-size-3xl);
    }
}

/* =====================
 * PRINT STYLES
 * ===================== */

@media print {
    .section {
        break-inside: avoid;
        padding-block: 2rem;
    }

    .section-bg-primary,
    .section-bg-gradient,
    .section-bg-dark {
        background: white !important;
        color: black !important;
    }

    .section-divider,
    [data-aos],
    .hover-lift,
    .hover-scale {
        display: none !important;
    }
}