/* ============================================
   لومیدنت - استایل اصلی
   نسخه بهینه‌سازی شده و تمیز
   ============================================ */

/* ====== متغیرها ====== */
:root {
    --primary: #E8C9A0;
    --primary-dark: #D4B588;
    --primary-light: #F2DFC0;
    --primary-glow: rgba(232, 201, 160, 0.4);
    --dark-bg: #1a1a2e;
    --dark-secondary: #2a2a4e;
    --text-dark: #2D2D2D;
    --text-light: #7A8A8C;
    --white: #ffffff;
    --bg-light: #f8f9fc;
    --bg-secondary: #f0f5f6;
    --glass-border: rgba(232, 201, 160, 0.4);
    --shadow-sm: 0 5px 20px rgba(0,0,0,0.05);
    --shadow-md: 0 15px 40px rgba(0,0,0,0.1);
    --shadow-lg: 0 30px 60px rgba(0,0,0,0.15);
    --shadow-primary: 0 15px 35px rgba(232, 201, 160, 0.3);
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s cubic-bezier(0.25, 0.1, 0.25, 1);
}

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

body {
    font-family: 'Vazir', Tahoma, sans-serif;
    background: var(--bg-light);
    color: var(--text-dark);
    overflow-x: hidden;
    line-height: 1.6;
    direction: rtl;
}

a {
    text-decoration: none;
    transition: var(--transition-normal);
}

img {
    max-width: 100%;
    height: auto;
}

/* ====== لودر ====== */
.loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--dark-bg);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 10000;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.loader.hide {
    opacity: 0;
    visibility: hidden;
}

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

.logo_load {
    width: 120px;
    height: auto;
    display: block;
    margin: 0 auto;
    animation: logoBounce 1s infinite;
}

@keyframes logoBounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-15px); }
}

.loader-text {
    margin-top: 15px;
    font-size: 1.5rem;
    color: var(--primary);
    letter-spacing: 2px;
}

.progress-bar {
    width: 200px;
    height: 3px;
    background: rgba(255,255,255,0.2);
    margin-top: 15px;
    border-radius: 10px;
    overflow: hidden;
    position: relative;
}

.progress-bar::after {
    content: '';
    position: absolute;
    width: 0%;
    height: 100%;
    background: var(--primary);
    animation: progress 2s ease-out forwards;
}

@keyframes progress {
    to { width: 100%; }
}

/* ====== اسکرول ایندیکیتور ====== */
.scroll-indicator {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    z-index: 1001;
}

.scroll-progress {
    width: 0%;
    height: 100%;
    background: linear-gradient(90deg, var(--primary), var(--primary-light));
    transition: width 0.1s linear;
}

/* ====== ناوبری ====== */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    padding: 12px 0;
    background: var(--dark-bg);
    border-bottom: 2px solid rgba(232, 201, 160, 0.3);
    z-index: 1000;
    transition: var(--transition-normal);
}

.navbar.scrolled {
    padding: 8px 0;
    box-shadow: 0 5px 20px rgba(0,0,0,0.2);
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: 8px;
}

.navbar-brand .logo {
    width: 70px;
    height: 70px;
    object-fit: cover;
    border-radius: 8px;
}

.navbar-brand .brand-text {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary);
}

.navbar-toggler {
    border: none !important;
    background: var(--primary) !important;
    padding: 10px 14px !important;
    border-radius: 12px !important;
    cursor: pointer;
}

.navbar-toggler:focus {
    box-shadow: none !important;
}

.toggler-icon i {
    color: var(--dark-bg) !important;
    font-size: 1.5rem !important;
}

.nav-link {
    color: rgba(255,255,255,0.85) !important;
    margin: 0 12px;
    font-weight: 500;
    font-size: 0.95rem;
    padding: 8px 0 !important;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    right: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: width var(--transition-normal);
}

.nav-link:hover {
    color: var(--primary) !important;
}

.nav-link:hover::after {
    width: 100%;
}

.nav-link.active {
    color: var(--primary) !important;
}

.nav-link.active::after {
    width: 100%;
}

/* ====== دکمه‌ها ====== */
.btn-appointment {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    padding: 10px 22px;
    border-radius: 50px;
    color: var(--dark-bg);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-weight: 700;
    font-size: 0.9rem;
    border: none;
    cursor: pointer;
    transition: var(--transition-normal);
}

.btn-appointment:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-primary);
    color: var(--dark-bg);
}

.btn-login-header {
    background: transparent;
    border: 2px solid var(--primary);
    color: var(--primary);
    padding: 8px 20px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition-normal);
}

.btn-login-header:hover {
    background: var(--primary);
    color: var(--dark-bg);
}

/* ====== بخش کاربر ====== */
.user-section {
    display: flex;
    align-items: center;
    gap: 10px;
}

.btn-panel {
    background: var(--primary);
    color: var(--dark-bg);
    padding: 8px 18px;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: var(--transition-normal);
}

.btn-panel:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
}

.btn-logout {
    background: rgba(220,53,69,0.15);
    border: 1px solid rgba(220,53,69,0.3);
    color: #ff6b6b;
    padding: 8px 16px;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: var(--transition-normal);
}

.btn-logout:hover {
    background: #dc3545;
    color: #fff;
}

/* ====== مودال ====== */
.modal-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.6);
    z-index: 9999;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(5px);
}

.modal-overlay.show {
    display: flex;
}

.modal-box {
    background: var(--white);
    border-radius: 24px;
    padding: 35px 30px;
    max-width: 400px;
    width: 92%;
    box-shadow: var(--shadow-lg);
    position: relative;
    animation: modalSlideIn 0.3s ease;
}

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

.modal-box .close-modal {
    position: absolute;
    top: 15px;
    left: 20px;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: #999;
    transition: var(--transition-normal);
}

.modal-box .close-modal:hover {
    color: #dc3545;
    transform: rotate(90deg);
}

.modal-box .logo-area {
    text-align: center;
    margin-bottom: 20px;
}

.modal-box .logo-area img {
    width: 65px;
    border-radius: 8px;
}

.modal-box .logo-area h4 {
    margin-top: 8px;
    font-weight: 700;
    color: var(--dark-bg);
}

.modal-box .logo-area h4 span {
    color: var(--primary);
}

.modal-box .form-control {
    border: 2px solid #eef2f6;
    border-radius: 12px;
    padding: 12px 14px;
    font-size: 0.95rem;
    font-family: 'Vazir', Tahoma, sans-serif;
    transition: var(--transition-normal);
}

.modal-box .form-control:focus {
    border-color: var(--primary);
    outline: none;
    box-shadow: 0 0 0 4px rgba(232,201,160,0.15);
}

.modal-box .btn-submit {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    border: none;
    padding: 14px;
    border-radius: 50px;
    font-weight: 700;
    color: var(--dark-bg);
    width: 100%;
    cursor: pointer;
    font-size: 1rem;
    font-family: 'Vazir', Tahoma, sans-serif;
    transition: var(--transition-normal);
}

.modal-box .btn-submit:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-primary);
}

/* ====== Hero Slider ====== */
.hero {
    height: calc(100vh - 80px);
    min-height: 500px;
    position: relative;
    overflow: hidden;
}

.hero-slider {
    height: 100%;
    position: relative;
}

.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 1s ease-in-out;
    z-index: 1;
}

.slide.active {
    opacity: 1;
    z-index: 2;
}

.slide-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    position: absolute;
    top: 0;
    left: 0;
}

.overlay-gradient {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0,0,0,0.6) 0%, rgba(0,0,0,0.3) 100%);
    z-index: 3;
}

.hero-content {
    position: relative;
    z-index: 4;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    color: #fff;
    padding: 0 20px;
}

.hero-badge {
    background: rgba(0,0,0,0.5);
    backdrop-filter: blur(10px);
    padding: 8px 20px;
    border-radius: 50px;
    font-size: 0.9rem;
    margin-bottom: 20px;
    color: var(--primary);
    display: inline-block;
}

.hero-title {
    font-size: clamp(2rem, 5vw, 4rem);
    font-weight: 800;
    margin-bottom: 20px;
    color: #fff;
}

.title-accent {
    color: var(--primary);
}

.hero-subtitle {
    font-size: clamp(0.9rem, 2vw, 1.2rem);
    margin-bottom: 30px;
    color: rgba(255,255,255,0.9);
}

.hero-buttons {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
    justify-content: center;
}

.btn-primary-glow {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    padding: 12px 30px;
    border-radius: 50px;
    color: var(--dark-bg);
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-weight: 600;
    transition: var(--transition-normal);
}

.btn-primary-glow:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-primary);
    color: var(--dark-bg);
}

.btn-outline-glass {
    background: transparent;
    border: 2px solid #fff;
    padding: 10px 28px;
    border-radius: 50px;
    color: #fff;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    transition: var(--transition-normal);
}

.btn-outline-glass:hover {
    background: #fff;
    color: var(--dark-bg);
    transform: translateY(-3px);
}

.slider-prev-btn,
.slider-next-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 45px;
    height: 45px;
    background: rgba(0,0,0,0.5);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: 50%;
    cursor: pointer;
    transition: var(--transition-normal);
    color: #fff;
    font-size: 1.2rem;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
}

.slider-prev-btn { right: 20px; }
.slider-next-btn { left: 20px; }

.slider-prev-btn:hover,
.slider-next-btn:hover {
    background: var(--primary);
    color: var(--dark-bg);
    transform: translateY(-50%) scale(1.1);
}

.slider-dots {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 12px;
    z-index: 10;
}

.dot {
    width: 40px;
    height: 3px;
    background: rgba(255,255,255,0.3);
    border-radius: 10px;
    cursor: pointer;
    transition: var(--transition-normal);
}

.dot.active {
    background: var(--primary);
    width: 60px;
}

/* ====== بخش‌ها ====== */
.section-padding {
    padding: 60px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 40px;
}

.section-tag {
    background: var(--primary);
    padding: 6px 16px;
    border-radius: 30px;
    font-size: 0.8rem;
    display: inline-block;
    margin-bottom: 15px;
    color: var(--dark-bg);
    font-weight: 600;
}

.section-title {
    font-size: clamp(1.5rem, 3vw, 2.2rem);
    font-weight: 700;
    color: var(--text-dark);
}

.section-title span {
    color: var(--primary-dark);
}

.section-line {
    width: 60px;
    height: 3px;
    background: var(--primary);
    margin: 15px auto 0;
    border-radius: 10px;
}

.section-desc {
    color: var(--text-light);
    margin-top: 15px;
    font-size: 1rem;
}

/* ====== خدمات ====== */
.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.service-card {
    background: var(--white);
    border-radius: 20px;
    padding: 30px 20px;
    text-align: center;
    transition: var(--transition-normal);
    border: 1px solid var(--glass-border);
    box-shadow: var(--shadow-sm);
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-md);
}

.service-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    transition: var(--transition-normal);
}

.service-icon i {
    font-size: 2rem;
    color: #fff;
}

.service-card:hover .service-icon {
    transform: scale(1.1) rotate(360deg);
}

.service-card h3 {
    font-size: 1.2rem;
    margin-bottom: 10px;
    color: var(--text-dark);
}

.service-card p {
    color: var(--text-light);
    font-size: 0.9rem;
}

/* ====== مقالات ====== */
.articles-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.article-card {
    background: var(--white);
    border-radius: 20px;
    overflow: hidden;
    transition: var(--transition-normal);
    border: 1px solid var(--glass-border);
    box-shadow: var(--shadow-sm);
}

.article-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-md);
}

.article-image {
    position: relative;
    height: 200px;
    overflow: hidden;
}

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

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

.article-content {
    padding: 20px;
}

.article-meta {
    display: flex;
    gap: 15px;
    font-size: 0.7rem;
    color: var(--text-light);
    margin-bottom: 10px;
    flex-wrap: wrap;
}

.article-meta i {
    color: var(--primary-dark);
}

.article-content h3 {
    font-size: 1.1rem;
    margin-bottom: 10px;
    color: var(--text-dark);
}

.article-content p {
    color: var(--text-light);
    font-size: 0.85rem;
    line-height: 1.7;
    margin-bottom: 15px;
}

.read-more {
    color: var(--primary-dark);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    font-size: 0.9rem;
    transition: var(--transition-normal);
}

.read-more:hover {
    gap: 12px;
}

/* ====== گالری ====== */
.masonry-grid {
    columns: 3;
    column-gap: 20px;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

.masonry-item {
    break-inside: avoid;
    margin-bottom: 20px;
    position: relative;
    border-radius: 16px;
    overflow: hidden;
    cursor: pointer;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-slow);
}

.masonry-item:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-md);
}

.masonry-item img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform var(--transition-slow);
}

.masonry-item:hover img {
    transform: scale(1.04);
}

/* ====== ریسپانسیو ====== */
@media (max-width: 992px) {
    .services-grid,
    .articles-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    
    .masonry-grid {
        columns: 2;
        column-gap: 15px;
    }
}

@media (max-width: 768px) {
    .section-padding {
        padding: 40px 0;
    }
    
    .hero {
        min-height: 400px;
    }
    
    .slider-prev-btn,
    .slider-next-btn {
        width: 35px;
        height: 35px;
        font-size: 0.9rem;
    }
    
    .dot {
        width: 25px;
    }
    
    .masonry-grid {
        columns: 2;
        column-gap: 10px;
    }
}

@media (max-width: 576px) {
    .services-grid,
    .articles-grid {
        grid-template-columns: 1fr;
        padding: 0 15px;
    }
    
    .service-icon {
        width: 55px;
        height: 55px;
    }
    
    .service-icon i {
        font-size: 1.5rem;
    }
    
    .article-image {
        height: 180px;
    }
}