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

:root {
    /* 
       Theme: Ultra-Modern Liquid Glass
       Palette: Ice White, Pure Turquoise, Cyan Glow & Deep Ocean Teal
    */
    --primary: #06b6d4;               /* فیروزه‌ای درخشان نئونی */
    --primary-dark: #0891b2;          /* فیروزه‌ای سیر و باوقار */
    --primary-deep: #0e7490;          /* سایه اقیانوسی فیروزه‌ای */
    --primary-light: #67e8f9;         /* فیروزه‌ای یخی و روشن */
    --accent-glow: rgba(6, 182, 212, 0.35);
    --accent-soft: rgba(6, 182, 212, 0.08);
    --accent-soft-hover: rgba(6, 182, 212, 0.16);
    --primary-gradient: linear-gradient(135deg, #06b6d4 0%, #0891b2 50%, #0e7490 100%);
    --liquid-gradient: linear-gradient(135deg, rgba(6, 182, 212, 0.18) 0%, rgba(255, 255, 255, 0.8) 100%);

    /* Liquid Glass System */
    --bg-light: #f3f9fa;
    --glass-bg: rgba(255, 255, 255, 0.68);
    --glass-bg-hover: rgba(255, 255, 255, 0.88);
    --glass-border: 1px solid rgba(255, 255, 255, 0.95);
    --glass-border-dark: 1px solid rgba(13, 37, 53, 0.06);
    --glass-border-subtle: 1px solid rgba(6, 182, 212, 0.35);
    --glass-blur: blur(24px);
    
    /* بازتاب انکسار نور شیشه‌ای و جلای منشوری */
    --glass-shine: inset 0 1.5px 1.5px 0 rgba(255, 255, 255, 0.95), 
                   inset 0 -1.5px 2px 0 rgba(6, 182, 212, 0.06),
                   0 8px 32px 0 rgba(6, 182, 212, 0.08);

    /* Typography & Contrast (Ocean Slate & Off-White) */
    --text-main: #0c232e;            /* سورمه‌ای اقیانوسی بسیار خوانا و لوکس */
    --text-muted: #537180;           /* رنگ خاکستری-اقیانوسی ملایم */
    --white: #ffffff;
    --dark-surface: #0a1e27;

    /* Liquid Shadows & Dynamics */
    --shadow-glass: 0 12px 35px -8px rgba(12, 35, 46, 0.06), 0 4px 16px -2px rgba(6, 182, 212, 0.04);
    --shadow-hover: 0 22px 42px -10px rgba(6, 182, 212, 0.25), 0 8px 20px -4px rgba(12, 35, 46, 0.08);
    --shadow-liquid-turquoise: 0 10px 28px -4px rgba(6, 182, 212, 0.45);
    --radius: 22px;
    --transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Vazirmatn', sans-serif;
    background: var(--bg-light);
    color: var(--text-main);
    overflow-x: hidden;
    line-height: 1.7;
    position: relative;
    /* پس‌زمینه زنده با قطرات نوری فیروزه‌ای و مایع شیشه‌ای */
    background-image: 
        radial-gradient(circle at 12% 16%, rgba(6, 182, 212, 0.12) 0%, transparent 42%),
        radial-gradient(circle at 86% 24%, rgba(103, 232, 249, 0.15) 0%, transparent 48%),
        radial-gradient(circle at 50% 80%, rgba(6, 182, 212, 0.09) 0%, transparent 50%),
        radial-gradient(circle at 80% 92%, rgba(255, 255, 255, 0.95) 0%, transparent 55%);
    background-attachment: fixed;
}

img {
    max-width: 100%;
    display: block;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

.container {
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 20px;
}

.section-padding {
    padding: 90px 0;
}

.highlight {
    background: linear-gradient(135deg, #0c232e 0%, #0891b2 50%, #06b6d4 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-weight: 800;
}

/* ===== Preloader ===== */
.preloader {
    position: fixed;
    inset: 0;
    background: rgba(243, 249, 250, 0.85);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.preloader.hidden {
    opacity: 0;
    visibility: hidden;
}

.preloader-content {
    text-align: center;
    color: var(--text-main);
}

.circle-anim {
    animation: circleFill 1.5s ease-in-out infinite;
    stroke: url(#gradient) #06b6d4;
}

@keyframes circleFill {
    0% { stroke-dashoffset: 283; }
    50% { stroke-dashoffset: 0; }
    100% { stroke-dashoffset: -283; }
}

.preloader-content p {
    margin-top: 15px;
    font-size: 14px;
    color: var(--text-muted);
    font-weight: 600;
    letter-spacing: 0.5px;
}

/* ===== Top Bar ===== */
.top-bar {
    background: rgba(255, 255, 255, 0.65);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: var(--glass-border-dark);
    box-shadow: var(--glass-shine);
    color: var(--text-muted);
    font-size: 13px;
    padding: 10px 0;
}

.top-bar-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.top-bar-info span {
    margin-left: 20px;
}

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

.top-bar-social a {
    opacity: 0.8;
    color: var(--text-main);
    transition: var(--transition);
}

.top-bar-social a:hover {
    opacity: 1;
    color: var(--primary);
    transform: translateY(-2px);
}

/* ===== Header (Liquid Glass) ===== */
.main-header {
    background: rgba(255, 255, 255, 0.72);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 10px 30px rgba(6, 182, 212, 0.06), var(--glass-shine);
    border-bottom: var(--glass-border);
    transition: var(--transition);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 20px;
}

.logo a {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-icon {
    width: 52px;
    height: 52px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    font-weight: 800;
    background: linear-gradient(135deg, #0c232e 0%, #153c4f 100%);
    color: var(--white);
    border: 1px solid rgba(255, 255, 255, 0.45);
    box-shadow: 0 8px 18px rgba(12, 35, 46, 0.18), inset 0 1px 1px rgba(255, 255, 255, 0.5);
    position: relative;
    overflow: hidden;
    flex-shrink: 0;
}

/* افکت موج مایع فیروزه‌ای در گوشه لوگو */
.logo-icon::before {
    content: '';
    position: absolute;
    top: -12px;
    right: -12px;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--primary);
    box-shadow: 0 0 14px var(--primary-light);
}

.logo-text {
    display: flex;
    flex-direction: column;
}

.logo-title {
    font-size: 19px;
    font-weight: 800;
    color: var(--text-main);
}

.logo-subtitle {
    font-size: 11px;
    letter-spacing: 1.5px;
    color: var(--primary-dark);
    font-weight: 700;
}

/* Nav */
.main-nav {
    flex: 1;
    display: flex;
    justify-content: center;
}

.nav-list {
    display: flex;
    align-items: center;
    gap: 6px;
}

.nav-list > li > a {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 10px 18px;
    color: var(--text-main);
    font-size: 14.5px;
    font-weight: 600;
    border-radius: 12px;
    transition: var(--transition);
    white-space: nowrap;
}

.nav-list > li > a:hover,
.nav-list > li > a.active {
    background: var(--accent-soft);
    color: var(--primary-dark);
}

.dropdown {
    position: relative;
}

.dropdown-menu {
    position: absolute;
    top: calc(100% + 12px);
    right: 0;
    background: rgba(255, 255, 255, 0.88);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    min-width: 210px;
    border-radius: 18px;
    box-shadow: var(--shadow-glass), var(--glass-shine);
    padding: 10px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: var(--transition);
    border: var(--glass-border);
}

.dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-menu li a {
    display: block;
    padding: 10px 14px;
    color: var(--text-main);
    font-size: 14px;
    font-weight: 500;
    border-radius: 10px;
    transition: var(--transition);
}

.dropdown-menu li a:hover {
    background: linear-gradient(135deg, #0c232e 0%, #153c4f 100%);
    color: var(--white);
    padding-right: 18px;
}

/* Header Actions */
.header-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 11px 24px;
    border-radius: 50px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: var(--transition);
    white-space: nowrap;
}

.btn-primary {
    background: linear-gradient(135deg, #0c232e 0%, #153c4f 100%);
    color: var(--white);
    box-shadow: 0 4px 16px rgba(12, 35, 46, 0.22), inset 0 1px 1px rgba(255, 255, 255, 0.35);
    position: relative;
    overflow: hidden;
}

.btn-primary:hover {
    background: var(--primary-gradient);
    box-shadow: var(--shadow-liquid-turquoise);
    transform: translateY(-2px);
}

.btn-outline {
    background: rgba(255, 255, 255, 0.65);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1.5px solid rgba(6, 182, 212, 0.3);
    color: var(--text-main);
    box-shadow: var(--glass-shine);
}

.btn-outline:hover {
    border-color: var(--primary);
    color: var(--primary-dark);
    background: var(--accent-soft);
}

.btn-outline-light {
    background: rgba(255, 255, 255, 0.5);
    border: 1.5px solid rgba(255, 255, 255, 0.9);
    color: var(--text-main);
    backdrop-filter: blur(8px);
    box-shadow: var(--glass-shine);
}

.btn-outline-light:hover {
    background: var(--white);
    color: var(--primary-dark);
    border-color: var(--primary);
}

.btn-lg {
    padding: 14px 34px;
    font-size: 15.5px;
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.hamburger span {
    width: 26px;
    height: 3px;
    background: var(--text-main);
    border-radius: 3px;
    transition: var(--transition);
}

/* ===== Mobile Menu ===== */
.mobile-menu-overlay {
    position: fixed;
    inset: 0;
    background: rgba(12, 35, 46, 0.35);
    z-index: 1998;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.mobile-menu-overlay.active {
    opacity: 1;
    visibility: visible;
}

.mobile-menu {
    position: fixed;
    top: 0;
    right: -320px;
    width: 300px;
    max-width: 85vw;
    height: 100%;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    z-index: 1999;
    transition: right 0.35s cubic-bezier(0.16, 1, 0.3, 1);
    overflow-y: auto;
    box-shadow: -10px 0 35px rgba(6, 182, 212, 0.12);
    border-left: var(--glass-border);
}

.mobile-menu.active {
    right: 0;
}

.mobile-menu-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 20px;
    background: rgba(255, 255, 255, 0.7);
    color: var(--text-main);
    font-weight: 700;
    border-bottom: var(--glass-border-dark);
    position: sticky;
    top: 0;
}

.close-menu {
    margin-right: auto;
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 20px;
    cursor: pointer;
}

.mobile-nav-list li a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 16px 20px;
    color: var(--text-main);
    font-size: 15px;
    border-bottom: 1px solid rgba(6, 182, 212, 0.06);
    transition: var(--transition);
}

.mobile-nav-list li a:hover {
    background: var(--accent-soft);
    color: var(--primary-dark);
    padding-right: 26px;
}

.mobile-dropdown-toggle {
    justify-content: space-between;
}

.mobile-dropdown-toggle .arrow {
    transition: var(--transition);
}

.mobile-dropdown.open .mobile-dropdown-toggle .arrow {
    transform: rotate(180deg);
}

.mobile-submenu {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    background: rgba(243, 249, 250, 0.7);
}

.mobile-dropdown.open .mobile-submenu {
    max-height: 300px;
}

.mobile-submenu li a {
    padding-right: 40px;
    font-size: 14px;
}

.mobile-login-btn {
    background: linear-gradient(135deg, #0c232e 0%, #153c4f 100%);
    color: var(--white) !important;
    margin: 16px 20px;
    border-radius: 12px;
    justify-content: center;
    font-weight: 700;
}

.mobile-login-btn:hover {
    background: var(--primary-gradient);
}

/* ===== Hero (Bright Liquid Glass) ===== */
.hero {
    position: relative;
    min-height: 90vh;
    display: flex;
    align-items: center;
    overflow: hidden;
    padding: 60px 0 40px;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background-image: 
        radial-gradient(circle at 18% 22%, rgba(6, 182, 212, 0.12) 0%, transparent 45%),
        radial-gradient(circle at 82% 65%, rgba(103, 232, 249, 0.1) 0%, transparent 45%);
    z-index: 1;
}

.hero-content {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    align-items: center;
    gap: 40px;
    position: relative;
    z-index: 2;
}

.hero-badge {
    display: inline-block;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    color: var(--primary-dark);
    padding: 8px 20px;
    border-radius: 30px;
    font-size: 13.5px;
    font-weight: 700;
    margin-bottom: 20px;
    border: var(--glass-border);
    box-shadow: 0 4px 15px rgba(6, 182, 212, 0.08), var(--glass-shine);
}

.hero-text h1 {
    font-size: 46px;
    font-weight: 800;
    color: var(--text-main);
    line-height: 1.4;
    margin-bottom: 20px;
}

.hero-text p {
    color: var(--text-muted);
    font-size: 16.5px;
    max-width: 520px;
    margin-bottom: 32px;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    margin-bottom: 50px;
}

.hero-stats {
    display: flex;
    gap: 40px;
    flex-wrap: wrap;
}

.stat-item {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-size: 34px;
    font-weight: 800;
    background: linear-gradient(135deg, #0c232e 0%, #0891b2 50%, #06b6d4 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.stat-label {
    font-size: 13.5px;
    color: var(--text-muted);
    margin-top: 4px;
    font-weight: 500;
}

.hero-image {
    position: relative;
    display: flex;
    justify-content: center;
}

.hero-image-circle {
    width: 100%;
    max-width: 420px;
    aspect-ratio: 5/6;
    border-radius: 30px;
    overflow: hidden;
    border: 3px solid rgba(255, 255, 255, 0.95);
    box-shadow: 0 20px 45px rgba(12, 35, 46, 0.08), 0 4px 25px rgba(6, 182, 212, 0.15);
}

.hero-image-circle img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.floating-badge {
    position: absolute;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    color: var(--text-main);
    padding: 14px 22px;
    border-radius: 18px;
    font-size: 13.5px;
    font-weight: 700;
    box-shadow: var(--shadow-glass), var(--glass-shine);
    border: var(--glass-border);
    animation: float 4s ease-in-out infinite;
}

.badge-1 {
    top: 10%;
    right: -5%;
}

.badge-2 {
    bottom: 15%;
    left: -5%;
    animation-delay: 2s;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.scroll-down {
    position: absolute;
    bottom: 50px;
    left: 50%;
    transform: translateX(-50%);
    width: 26px;
    height: 44px;
    border: 2px solid rgba(6, 182, 212, 0.35);
    border-radius: 15px;
    z-index: 2;
}

.scroll-down span {
    display: block;
    width: 5px;
    height: 5px;
    background: var(--primary);
    border-radius: 50%;
    margin: 8px auto;
    animation: scrollDown 1.5s infinite;
}

@keyframes scrollDown {
    0% { transform: translateY(0); opacity: 1; }
    100% { transform: translateY(18px); opacity: 0; }
}

/* ===== Section Header ===== */
.section-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto 50px;
}

.section-tag {
    display: inline-block;
    color: var(--primary-dark);
    background: var(--accent-soft);
    padding: 6px 20px;
    border-radius: 30px;
    font-size: 13px;
    font-weight: 700;
    margin-bottom: 14px;
    border: var(--glass-border-subtle);
    box-shadow: var(--glass-shine);
}

.section-header h2 {
    font-size: 32px;
    font-weight: 800;
    margin-bottom: 12px;
    color: var(--text-main);
}

.section-header.light h2,
.section-header.light p {
    color: var(--text-main);
}

.section-header p {
    color: var(--text-muted);
    font-size: 15px;
}

/* ===== Features (Liquid Glass Cards) ===== */
.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.feature-card {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border-radius: var(--radius);
    padding: 36px 24px;
    text-align: center;
    box-shadow: var(--shadow-glass), var(--glass-shine);
    transition: var(--transition);
    border: var(--glass-border);
}

.feature-card:hover {
    background: var(--glass-bg-hover);
    transform: translateY(-8px);
    box-shadow: var(--shadow-hover);
    border-color: rgba(6, 182, 212, 0.45);
}

.feature-icon {
    font-size: 42px;
    margin-bottom: 18px;
    display: inline-block;
    filter: drop-shadow(0 6px 12px rgba(6, 182, 212, 0.25));
}

.feature-card h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 10px;
}

.feature-card p {
    font-size: 14px;
    color: var(--text-muted);
}

/* ===== Belts Section ===== */
.belts-section {
    background: rgba(255, 255, 255, 0.5);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-top: var(--glass-border);
    border-bottom: var(--glass-border);
}

.belts-slider {
    display: flex;
    gap: 20px;
    overflow-x: auto;
    padding: 10px 4px 20px;
    scrollbar-width: thin;
}

.belt-item {
    flex: 0 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    background: rgba(255, 255, 255, 0.78);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    padding: 22px 26px;
    border-radius: 18px;
    min-width: 120px;
    transition: var(--transition);
    border: var(--glass-border);
    box-shadow: var(--shadow-glass), var(--glass-shine);
}

.belt-item:hover {
    background: var(--white);
    transform: translateY(-6px);
    box-shadow: var(--shadow-hover);
    border-color: var(--primary);
}

.belt-color {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    border: 3px solid rgba(255, 255, 255, 0.95);
    box-shadow: 0 4px 12px rgba(6, 182, 212, 0.12);
}

.belt-item span {
    color: var(--text-main);
    font-weight: 700;
    font-size: 14px;
}

.belt-item small {
    color: var(--text-muted);
    font-size: 12px;
}

/* ===== News Section ===== */
.news-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 26px;
}

.news-card {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-glass), var(--glass-shine);
    transition: var(--transition);
    border: var(--glass-border);
}

.news-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-hover);
    background: var(--glass-bg-hover);
    border-color: rgba(6, 182, 212, 0.35);
}

.news-image {
    position: relative;
    overflow: hidden;
    aspect-ratio: 16/10;
}

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

.news-card:hover .news-image img {
    transform: scale(1.06);
}

.news-date {
    position: absolute;
    bottom: 12px;
    left: 12px;
    background: rgba(255, 255, 255, 0.88);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    color: var(--text-main);
    padding: 5px 14px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    border: var(--glass-border);
    box-shadow: var(--glass-shine);
}

.news-content {
    padding: 24px;
}

.news-category {
    color: var(--primary-dark);
    font-size: 12.5px;
    font-weight: 700;
}

.news-content h3 {
    font-size: 17.5px;
    color: var(--text-main);
    margin: 10px 0;
    line-height: 1.5;
}

.news-content p {
    font-size: 14px;
    color: var(--text-muted);
    margin-bottom: 16px;
}

.read-more {
    color: var(--primary-dark);
    font-size: 14px;
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    transition: var(--transition);
}

.read-more:hover {
    color: var(--primary);
    transform: translateX(-4px);
}

.section-btn-wrapper {
    text-align: center;
    margin-top: 40px;
}

/* ===== Gallery ===== */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: repeat(2, 1fr);
    gap: 16px;
    height: 600px;
}

.gallery-item {
    position: relative;
    border-radius: var(--radius);
    overflow: hidden;
    cursor: pointer;
    border: 2px solid rgba(255, 255, 255, 0.95);
    box-shadow: var(--shadow-glass);
}

.gallery-item.large {
    grid-row: span 2;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.gallery-overlay {
    position: absolute;
    inset: 0;
    background: rgba(12, 35, 46, 0.45);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
}

.gallery-overlay span {
    color: var(--white);
    font-size: 32px;
}

.gallery-item:hover .gallery-overlay {
    opacity: 1;
}

.gallery-item:hover img {
    transform: scale(1.08);
}

/* ===== Clubs ===== */
.clubs-section {
    background: transparent;
}

.clubs-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 26px;
}

.club-card {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-glass), var(--glass-shine);
    transition: var(--transition);
    border: var(--glass-border);
}

.club-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-hover);
    background: var(--glass-bg-hover);
    border-color: rgba(6, 182, 212, 0.35);
}

.club-card img {
    aspect-ratio: 16/10;
    object-fit: cover;
    width: 100%;
}

.club-info {
    padding: 22px;
}

.club-info h3 {
    font-size: 17.5px;
    color: var(--text-main);
    margin-bottom: 8px;
    font-weight: 700;
}

.club-info p {
    font-size: 14px;
    color: var(--text-muted);
    margin-bottom: 10px;
}

.club-rating {
    font-size: 13.5px;
    color: var(--text-main);
    font-weight: 600;
}

.club-rating span {
    color: var(--primary-dark);
}

/* ===== CTA (Liquid Glass Ocean & Turquoise Banner) ===== */
.cta-section {
    background: linear-gradient(135deg, #0c232e 0%, #153c4f 55%, #0e7490 100%);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    padding: 70px 0;
    text-align: center;
    border-top: var(--glass-border);
    border-bottom: var(--glass-border);
    box-shadow: 0 20px 45px rgba(12, 35, 46, 0.15), inset 0 1px 1px rgba(255, 255, 255, 0.15);
    position: relative;
    overflow: hidden;
}

/* لکه نوری مایع فیروزه‌ای در عمق شیشه بنر */
.cta-section::before {
    content: '';
    position: absolute;
    width: 450px;
    height: 450px;
    background: radial-gradient(circle, rgba(6, 182, 212, 0.35) 0%, transparent 70%);
    top: -150px;
    left: 50%;
    transform: translateX(-50%);
    pointer-events: none;
}

.cta-content {
    position: relative;
    z-index: 2;
}

.cta-content h2 {
    color: var(--white);
    font-size: 32px;
    font-weight: 800;
    margin-bottom: 14px;
}

.cta-content p {
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 28px;
    font-size: 16px;
}

.cta-content .btn {
    background: var(--white);
    color: var(--text-main);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
}

.cta-content .btn:hover {
    background: var(--primary-gradient);
    color: var(--white);
    box-shadow: var(--shadow-liquid-turquoise);
}

/* ===== Footer (Light Glass) ===== */
.main-footer {
    background: rgba(255, 255, 255, 0.75);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    color: var(--text-muted);
    padding-top: 70px;
    border-top: var(--glass-border);
    box-shadow: var(--glass-shine);
}

.footer-inner {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.3fr;
    gap: 40px;
    padding-bottom: 50px;
}

.footer-col .logo {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 16px;
}

.footer-col p {
    font-size: 14px;
    line-height: 1.8;
    margin-bottom: 20px;
}

.footer-social {
    display: flex;
    gap: 10px;
}

.footer-social a {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.88);
    border: var(--glass-border);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-main);
    box-shadow: 0 4px 10px rgba(6, 182, 212, 0.05), var(--glass-shine);
    transition: var(--transition);
}

.footer-social a:hover {
    background: linear-gradient(135deg, #0c232e 0%, #153c4f 100%);
    color: var(--white);
    border-color: var(--primary);
    transform: translateY(-3px);
}

.footer-col h4 {
    color: var(--text-main);
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 10px;
}

.footer-col h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    right: 0;
    width: 40px;
    height: 3px;
    border-radius: 3px;
    background: var(--primary-gradient);
}

.footer-col ul li {
    margin-bottom: 12px;
}

.footer-col ul li a {
    font-size: 14px;
    color: var(--text-muted);
    transition: var(--transition);
}

.footer-col ul li a:hover {
    color: var(--primary-dark);
    padding-right: 6px;
}

.contact-info li {
    font-size: 13.5px;
}

.footer-bottom {
    border-top: var(--glass-border-dark);
    padding: 22px 0;
    text-align: center;
    font-size: 13.5px;
    color: var(--text-muted);
}

/* ===== Bottom Mobile Nav (Glass) ===== */
.bottom-nav {
    display: none;
    position: fixed;
    bottom: 0;
    right: 0;
    left: 0;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border-top: var(--glass-border);
    z-index: 1500;
    box-shadow: 0 -4px 20px rgba(6, 182, 212, 0.08), var(--glass-shine);
    padding: 8px 6px calc(8px + env(safe-area-inset-bottom));
    justify-content: space-around;
    align-items: center;
}

.bottom-nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    color: var(--text-muted);
    font-size: 11px;
    font-weight: 600;
    padding: 6px 8px;
    border-radius: 12px;
    transition: var(--transition);
    flex: 1;
}

.bottom-icon {
    font-size: 20px;
}

.bottom-nav-item.active,
.bottom-nav-item:active {
    color: var(--primary-dark);
}

.bottom-nav-main {
    position: relative;
    top: -14px;
    background: linear-gradient(135deg, #0c232e 0%, #153c4f 100%);
    border-radius: 50px;
    width: 58px;
    height: 58px;
    color: var(--white) !important;
    box-shadow: 0 8px 20px rgba(12, 35, 46, 0.25), inset 0 1px 1px rgba(255, 255, 255, 0.4);
    border: 3px solid rgba(255, 255, 255, 0.95);
    justify-content: center;
}

.bottom-nav-main:hover {
    background: var(--primary-gradient);
}

.bottom-nav-main .bottom-icon {
    font-size: 22px;
}

.bottom-nav-main .bottom-label {
    font-size: 9px;
}

/* ===== Back to Top ===== */
.back-to-top {
    position: fixed;
    bottom: 90px;
    left: 20px;
    width: 46px;
    height: 46px;
    border-radius: 50%;
    background: linear-gradient(135deg, #0c232e 0%, #153c4f 100%);
    color: var(--white);
    border: 1px solid rgba(255, 255, 255, 0.4);
    font-size: 20px;
    cursor: pointer;
    box-shadow: 0 6px 20px rgba(12, 35, 46, 0.2), var(--glass-shine);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 999;
}

.back-to-top:hover {
    background: var(--primary-gradient);
    box-shadow: var(--shadow-liquid-turquoise);
    transform: translateY(-3px);
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
}

/* =========================================
   RESPONSIVE
========================================= */
@media (max-width: 1100px) {
    .main-nav { display: none; }
    .hamburger { display: flex; }
    .header-actions .btn-outline,
    .header-actions .btn-primary { display: none; }
    body { padding-bottom: 70px; }
    .bottom-nav { display: flex; }
    .back-to-top { bottom: 90px; }
}

@media (max-width: 1024px) {
    .hero-content { grid-template-columns: 1fr; text-align: center; }
    .hero-text p { margin-left: auto; margin-right: auto; }
    .hero-buttons { justify-content: center; }
    .hero-stats { justify-content: center; }
    .hero-image { order: -1; margin-bottom: 20px; }
    .features-grid { grid-template-columns: repeat(2, 1fr); }
    .news-grid { grid-template-columns: repeat(2, 1fr); }
    .clubs-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-inner { grid-template-columns: 1fr 1fr; }
        .scroll-down {bottom: 0px;}

}

@media (max-width: 768px) {
    .top-bar { display: none; }
    .section-padding { padding: 60px 0; }
    .hero-text h1 { font-size: 32px; }
    .hero-buttons { flex-direction: column; }
    .hero-buttons .btn { width: 100%; justify-content: center; }
    .hero-stats { gap: 20px; }
    .stat-number { font-size: 28px; }
    .features-grid { grid-template-columns: 1fr; }
    .news-grid { grid-template-columns: 1fr; }
    .clubs-grid { grid-template-columns: 1fr; }
    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
        grid-template-rows: auto;
        height: auto;
    }
    .gallery-item { aspect-ratio: 1/1; }
    .gallery-item.large { grid-row: span 1; grid-column: span 2; aspect-ratio: 16/10; }
    .footer-inner { grid-template-columns: 1fr; text-align: center; }
    .footer-col h4::after { right: 50%; transform: translateX(50%); }
    .footer-social { justify-content: center; }
    .logo-title { font-size: 16px; }
    .logo-subtitle { font-size: 9px; }
}

@media (max-width: 480px) {
    .header-inner { padding: 10px 16px; }
    .logo-icon { width: 46px; height: 46px; font-size: 18px; border-radius: 12px; }
    .section-header h2 { font-size: 24px; }
    .hero-text h1 { font-size: 26px; }
    .belt-item { min-width: 100px; padding: 16px 20px; }
}