/* ===== Gulf Heavy Equipment - 3D CoverFlow Carousel (Premium v2) ===== */

:root {
    --font-primary: 'Hacen Egypt', 'Segoe UI', Tahoma, Arial, sans-serif;
    --font-secondary: 'DecoType Naskh', Tahoma, Arial, sans-serif;
    --cf-primary: #AD8B73;
    --cf-secondary: #CEAB93;
    --cf-accent1: #E3CAA5;
    --cf-accent2: #FFFBE9;
    --cf-gold: #AD8B73;
    --cf-gold-light: #CEAB93;
    --cf-dark: #1E1511;
    --cf-glass: rgba(255, 255, 255, 0.06);
    --cf-glass-border: rgba(173, 139, 115, 0.3);
    --cf-ease: cubic-bezier(0.16, 1, 0.3, 1);
    --cf-card-w: 400px;
    --cf-card-h: 320px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-secondary);
    background: var(--cf-dark);
    min-height: 100vh;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ===== القسم الرئيسي ===== */
.cf-section {
    position: relative;
    width: 100%;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    background: 
        radial-gradient(ellipse at 20% 20%, rgba(173, 139, 115, 0.3) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 80%, rgba(173, 139, 115, 0.05) 0%, transparent 40%),
        linear-gradient(180deg, #1E1511 0%, var(--cf-dark) 30%, #1E1511 70%, #1E1511 100%);
    overflow: hidden;
}

.cf-section::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: 
        radial-gradient(circle at 30% 50%, rgba(173, 139, 115, 0.03) 0%, transparent 50%),
        radial-gradient(circle at 70% 30%, rgba(173, 139, 115, 0.1) 0%, transparent 40%);
    animation: cfBgShift 25s ease-in-out infinite alternate;
}

@keyframes cfBgShift {
    0% { transform: rotate(0deg) scale(1); }
    50% { transform: rotate(5deg) scale(1.05); }
    100% { transform: rotate(-5deg) scale(1.1); }
}

.cf-container {
    position: relative;
    z-index: 2;
    width: 100%;
    max-width: 1400px;
    padding: 0 1rem;
}

/* ===== الهيدر ===== */
.cf-header {
    text-align: center;
    margin-bottom: 2rem;
}

.cf-header-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1.5rem;
    background: rgba(173, 139, 115, 0.08);
    border: 1px solid rgba(173, 139, 115, 0.2);
    border-radius: 50px;
    color: var(--cf-gold);
    font-size: 0.85rem;
    font-weight: 500;
    backdrop-filter: blur(10px);
    margin-bottom: 1rem;
    letter-spacing: 0.5px;
    animation: cfFadeInDown 0.8s var(--cf-ease) forwards;
}

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

.cf-title {
    font-family: var(--font-primary);
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    font-weight: 900;
    color: #FFFBE9;
    margin-bottom: 0.5rem;
    animation: cfFadeInUp 0.8s var(--cf-ease) 0.1s both;
}

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

.cf-highlight {
    background: linear-gradient(135deg, var(--cf-gold), var(--cf-gold-light), #AD8B73);
    background-size: 200% 200%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: cfGradientShift 3s ease infinite;
}

@keyframes cfGradientShift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

.cf-subtitle {
    font-family: var(--font-secondary);
    font-size: clamp(0.85rem, 2vw, 1.05rem);
    color: var(--cf-accent1);
    font-weight: 300;
    opacity: 0.7;
    animation: cfFadeInUp 0.8s var(--cf-ease) 0.2s both;
}

.cf-line {
    width: 80px;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--cf-gold), transparent);
    margin: 1rem auto 0;
    border-radius: 1px;
    animation: cfFadeInUp 0.8s var(--cf-ease) 0.3s both;
}

/* ===== مرحلة العرض ===== */
.cf-stage {
    position: relative;
    width: 100%;
}

.cf-viewport {
    position: relative;
    width: 100%;
    height: clamp(320px, 50vh, 540px);
    perspective: 1500px;
    perspective-origin: 50% 40%;
    overflow: visible;
}

.cf-track {
    position: relative;
    width: 100%;
    height: 100%;
    transform-style: preserve-3d;
}

/* ===== الكروت ===== */
.cf-card {
    position: absolute;
    width: var(--cf-card-w);
    height: var(--cf-card-h);
    left: 50%;
    top: 50%;
    margin-left: calc(var(--cf-card-w) / -2);
    margin-top: calc(var(--cf-card-h) / -2);
    transform-style: preserve-3d;
    transition: transform 0.8s var(--cf-ease),
                opacity 0.8s var(--cf-ease),
                filter 0.8s var(--cf-ease),
                box-shadow 0.8s var(--cf-ease);
    cursor: pointer;
    user-select: none;
    will-change: transform, opacity;
}

/* ===== الإطار الاحترافي ===== */
.cf-card-frame {
    width: 100%;
    height: 100%;
    border-radius: 20px;
    overflow: hidden;
    position: relative;
    background: #000;
    border: 1px solid rgba(173, 139, 115, 0.15);
    box-shadow: 
        0 0 0 1px rgba(0, 0, 0, 0.5),
        0 8px 32px rgba(0, 0, 0, 0.4),
        0 20px 60px rgba(0, 0, 0, 0.3),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.cf-card-frame::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 20px;
    padding: 2px;
    background: linear-gradient(135deg, 
        rgba(173, 139, 115, 0.4), 
        rgba(173, 139, 115, 0.1),
        rgba(173, 139, 115, 0.3),
        rgba(173, 139, 115, 0.1)
    );
    -webkit-mask: linear-gradient(#FFFBE9 0 0) content-box, linear-gradient(#FFFBE9 0 0);
    mask: linear-gradient(#FFFBE9 0 0) content-box, linear-gradient(#FFFBE9 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    pointer-events: none;
}

.cf-card-frame::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 50%;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.05) 0%, transparent 100%);
    border-radius: 20px 20px 0 0;
    pointer-events: none;
}

.cf-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.8s var(--cf-ease), filter 0.8s var(--cf-ease);
    filter: saturate(0.9) contrast(1.02);
}

/* ===== الكرت النشط ===== */
.cf-card.active .cf-card-frame {
    border-color: rgba(173, 139, 115, 0.5);
    box-shadow: 
        0 0 0 1px rgba(173, 139, 115, 0.3),
        0 0 40px rgba(173, 139, 115, 0.15),
        0 15px 50px rgba(0, 0, 0, 0.5),
        0 30px 80px rgba(0, 0, 0, 0.3),
        inset 0 1px 0 rgba(255, 255, 255, 0.15);
}

.cf-card.active img {
    filter: saturate(1) contrast(1.05);
}

/* ===== شارة الرقم ===== */
.cf-card-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    min-width: 36px;
    height: 36px;
    padding: 0 0.7rem;
    background: linear-gradient(135deg, var(--cf-gold), var(--cf-gold-light));
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--cf-dark);
    font-size: 0.8rem;
    font-weight: 900;
    box-shadow: 0 4px 15px rgba(173, 139, 115, 0.3);
    z-index: 3;
    backdrop-filter: blur(5px);
}

/* ===== زر العين (Lightbox) ===== */
.cf-card-eye {
    position: absolute;
    top: 1rem;
    left: 1rem;
    width: 36px;
    height: 36px;
    background: rgba(0, 0, 0, 0.5);
    border: 1px solid rgba(173, 139, 115, 0.4);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    transform: scale(0.8);
    transition: all 0.3s var(--cf-ease);
    z-index: 4;
    backdrop-filter: blur(5px);
}

.cf-card-eye svg {
    width: 18px;
    height: 18px;
    fill: var(--cf-gold);
}

.cf-card:hover .cf-card-eye,
.cf-card.active .cf-card-eye {
    opacity: 1;
    transform: scale(1);
}

.cf-card-eye:hover {
    background: var(--cf-gold);
    transform: scale(1.15);
}

.cf-card-eye:hover svg {
    fill: var(--cf-dark);
}

/* ===== Overlay النص ===== */
.cf-card-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 3rem 1.5rem 1.5rem;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.9));
    transform: translateY(100%);
    transition: transform 0.5s var(--cf-ease), opacity 0.5s var(--cf-ease);
    opacity: 0;
}

.cf-card:hover .cf-card-overlay,
.cf-card.active .cf-card-overlay {
    transform: translateY(0);
    opacity: 1;
}

.cf-card-overlay h3 {
    color: #FFFBE9;
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 0.3rem;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
}

.cf-card-overlay p {
    color: var(--cf-accent1);
    font-size: 0.8rem;
    font-weight: 300;
    opacity: 0.9;
}

/* ===== أزرار التحكم ===== */
.cf-controls {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1.5rem;
    margin-top: 2.5rem;
}

.cf-btn {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    border: 1px solid rgba(173, 139, 115, 0.3);
    background: rgba(173, 139, 115, 0.05);
    backdrop-filter: blur(10px);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s var(--cf-ease);
    color: var(--cf-gold);
    position: relative;
    overflow: hidden;
}

.cf-btn::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--cf-gold), var(--cf-gold-light));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.cf-btn svg {
    width: 22px;
    height: 22px;
    fill: currentColor;
    position: relative;
    z-index: 1;
    transition: fill 0.3s ease;
}

.cf-btn:hover {
    border-color: var(--cf-gold);
    transform: scale(1.1);
    box-shadow: 0 8px 25px rgba(173, 139, 115, 0.25);
}

.cf-btn:hover::before {
    opacity: 1;
}

.cf-btn:hover svg {
    fill: var(--cf-dark);
}

.cf-btn:active {
    transform: scale(0.95);
}

/* ===== العداد وشريط التقدم ===== */
.cf-nav-info {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1.5rem;
    margin-top: 1.5rem;
    flex-wrap: wrap;
}

.cf-counter {
    display: flex;
    align-items: baseline;
    gap: 0.3rem;
    font-size: 0.9rem;
    color: var(--cf-accent1);
}

.cf-current {
    font-size: 1.8rem;
    font-weight: 900;
    color: var(--cf-gold);
    font-variant-numeric: tabular-nums;
    line-height: 1;
}

.cf-sep {
    opacity: 0.4;
    font-size: 1rem;
}

.cf-total {
    opacity: 0.5;
    font-size: 1rem;
}

.cf-progress {
    width: 150px;
    height: 3px;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 2px;
    overflow: hidden;
}

.cf-progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--cf-gold), var(--cf-gold-light));
    border-radius: 2px;
    transition: width 0.8s var(--cf-ease);
    box-shadow: 0 0 10px rgba(173, 139, 115, 0.3);
}

/* ===== لوحة المعلومات ===== */
.cf-info-panel {
    display: flex;
    align-items: center;
    gap: 1.2rem;
    max-width: 550px;
    width: 100%;
    margin: 1.5rem auto 0;
    padding: 1.2rem 1.8rem;
    background: rgba(173, 139, 115, 0.04);
    border: 1px solid rgba(173, 139, 115, 0.15);
    border-radius: 16px;
    backdrop-filter: blur(20px);
    transition: all 0.3s ease;
}

.cf-info-panel:hover {
    border-color: rgba(173, 139, 115, 0.3);
    background: rgba(173, 139, 115, 0.06);
}

.cf-info-icon {
    width: 44px;
    height: 44px;
    min-width: 44px;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--cf-gold), var(--cf-gold-light));
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 15px rgba(173, 139, 115, 0.2);
}

.cf-info-icon svg {
    width: 24px;
    height: 24px;
    fill: var(--cf-dark);
}

.cf-info-text {
    overflow: hidden;
}

.cf-info-text h3 {
    font-family: var(--font-primary);
    color: #0d0d0c;
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 0.2rem;
    transition: opacity 0.3s ease;
}

.cf-info-text p {
    font-family: var(--font-secondary);
    color:#000000;
    font-size: 0.95rem;
    font-weight: 300;
    opacity: 0.7;
    transition: opacity 0.3s ease;
}

/* ===== النقاط ===== */
.cf-dots {
    display: flex;
    justify-content: center;
    gap: 0.4rem;
    margin-top: 1.5rem;
    flex-wrap: wrap;
}

.cf-dot {
    width: 24px;
    height: 24px;
    min-width: 24px;
    min-height: 24px;
    display: grid;
    place-items: center;
    position: relative;
    border: 0;
    border-radius: 50%;
    background: transparent;
    cursor: pointer;
    transition: all 0.4s var(--cf-ease);
    padding: 0;
}

.cf-dot::before {
    content: "";
    display: block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(173, 139, 115, 0.2);
    transition: all 0.4s var(--cf-ease);
}

.cf-dot.active {
    width: 28px;
    min-width: 28px;
    background: transparent;
    box-shadow: none;
}

.cf-dot.active::before {
    width: 28px;
    height: 8px;
    border-radius: 4px;
    background: var(--cf-gold);
    border-color: var(--cf-gold);
    box-shadow: 0 0 12px rgba(173, 139, 115, 0.4);
}

.cf-dot:hover:not(.active)::before {
    background: rgba(173, 139, 115, 0.3);
    transform: scale(1.3);
}

/* ===== الجسيمات الخلفية ===== */
.cf-bg-particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
}

.cf-particle {
    position: absolute;
    width: 3px;
    height: 3px;
    background: var(--cf-gold);
    border-radius: 50%;
    opacity: 0.1;
    animation: cfFloat 20s ease-in-out infinite;
}

@keyframes cfFloat {
    0%, 100% { transform: translateY(0) translateX(0) scale(1); opacity: 0.1; }
    25% { transform: translateY(-40px) translateX(20px) scale(1.2); opacity: 0.2; }
    50% { transform: translateY(-20px) translateX(-15px) scale(0.8); opacity: 0.15; }
    75% { transform: translateY(-50px) translateX(10px) scale(1.1); opacity: 0.18; }
}

/* ===== Lightbox ===== */
.cf-lightbox {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.92);
    backdrop-filter: blur(15px);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.4s ease, visibility 0.4s ease;
}

.cf-lightbox.open {
    opacity: 1;
    visibility: visible;
}

.cf-lightbox-content {
    position: relative;
    max-width: 90vw;
    max-height: 85vh;
    transform: scale(0.85);
    transition: transform 0.4s var(--cf-ease);
}

.cf-lightbox.open .cf-lightbox-content {
    transform: scale(1);
}

.cf-lightbox-img {
    max-width: 90vw;
    max-height: 80vh;
    width: auto;
    height: auto;
    object-fit: contain;
    border-radius: 16px;
    box-shadow: 
        0 0 0 2px rgba(173, 139, 115, 0.4),
        0 20px 60px rgba(0, 0, 0, 0.5),
        0 0 80px rgba(173, 139, 115, 0.15);
}

.cf-lightbox-close {
    position: absolute;
    top: -50px;
    left: 50%;
    transform: translateX(-50%);
    width: 44px;
    height: 44px;
    background: rgba(173, 139, 115, 0.1);
    border: 1px solid rgba(173, 139, 115, 0.4);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    color: var(--cf-gold);
    font-size: 1.5rem;
}

.cf-lightbox-close:hover {
    background: var(--cf-gold);
    color: var(--cf-dark);
    transform: translateX(-50%) scale(1.1);
}

.cf-lightbox-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 48px;
    height: 48px;
    background: rgba(173, 139, 115, 0.1);
    border: 1px solid rgba(173, 139, 115, 0.3);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    color: var(--cf-gold);
}

.cf-lightbox-nav svg {
    width: 22px;
    height: 22px;
    fill: currentColor;
}

.cf-lightbox-nav:hover {
    background: var(--cf-gold);
    color: var(--cf-dark);
    transform: translateY(-50%) scale(1.15);
}

.cf-lightbox-prev { right: -70px; }
.cf-lightbox-next { left: -70px; }

.cf-lightbox-caption {
    position: absolute;
    bottom: -50px;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    white-space: nowrap;
}

.cf-lightbox-caption h4 {
    color: #FFFBE9;
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 0.2rem;
}

.cf-lightbox-caption p {
    color: var(--cf-accent1);
    font-size: 0.85rem;
    opacity: 0.7;
}

/* ===== التجاوب المثالي ===== */

/* شاشات كبيرة */
@media (min-width: 1400px) {
    :root {
        --cf-card-w: 460px;
        --cf-card-h: 350px;
    }
    .cf-viewport { height: 560px; }
}

/* لابتوب */
@media (max-width: 1200px) {
    :root {
        --cf-card-w: 400px;
        --cf-card-h: 310px;
    }
    .cf-viewport { height: 460px; }
}

/* تابلت */
@media (max-width: 992px) {
    :root {
        --cf-card-w: 340px;
        --cf-card-h: 270px;
    }
    .cf-viewport { height: 390px; }
    .cf-section { padding: 1.5rem; }
}

/* جوال كبير */
@media (max-width: 768px) {
    :root {
        --cf-card-w: 280px;
        --cf-card-h: 240px;
    }
    .cf-viewport { height: 340px; }
    .cf-section { padding: 1rem; }
    .cf-header { margin-bottom: 1.5rem; }
    .cf-controls { gap: 1rem; margin-top: 2rem; }
    .cf-btn { width: 46px; height: 46px; }
    .cf-btn svg { width: 20px; height: 20px; }
    .cf-info-panel { padding: 1rem 1.2rem; gap: 0.8rem; }
    .cf-info-icon { width: 38px; height: 38px; min-width: 38px; border-radius: 10px; }
    .cf-info-icon svg { width: 20px; height: 20px; }
    .cf-info-text h3 { font-size: 0.95rem; }
    .cf-info-text p { font-size: 0.75rem; }
    .cf-lightbox-prev { right: -55px; }
    .cf-lightbox-next { left: -55px; }
}

/* جوال صغير */
@media (max-width: 480px) {
    :root {
        --cf-card-w: 240px;
        --cf-card-h: 210px;
    }
    .cf-viewport { height: 300px; }
    .cf-controls { gap: 0.8rem; }
    .cf-btn { width: 42px; height: 42px; }
    .cf-info-panel { flex-direction: column; text-align: center; padding: 1rem; }
    .cf-nav-info { gap: 1rem; }
    .cf-progress { width: 100px; }
    .cf-card-badge { min-width: 30px; height: 30px; padding: 0 0.5rem; font-size: 0.7rem; }
    .cf-card-eye { width: 32px; height: 32px; }
    .cf-card-eye svg { width: 16px; height: 16px; }
    .cf-lightbox-prev { right: -45px; }
    .cf-lightbox-next { left: -45px; }
    .cf-lightbox-nav { width: 40px; height: 40px; }
}

/* جوال صغير جداً */
@media (max-width: 360px) {
    :root {
        --cf-card-w: 210px;
        --cf-card-h: 185px;
    }
    .cf-viewport { height: 270px; }
    .cf-title { font-size: 1.5rem; }
}

/* ===== دعم الوضع الأفقي للجوال ===== */
@media (max-height: 500px) and (orientation: landscape) {
    .cf-header { display: none; }
    .cf-section { padding: 0.5rem; }
    .cf-viewport { height: 65vh; }
    .cf-info-panel { display: none; }
    .cf-dots { margin-top: 0.5rem; }
}

/* ===== تقليل الحركة للمستخدمين المفضلين ===== */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }
}