/********** Ultimate Tech Design - Premium Edition **********/
:root {
    --primary: #53d683;
    --primary-dark: #2bc470;
    --primary-light: rgba(83, 214, 131, 0.15);
    --ai-blue: #4a8cff;
    --ai-purple: #9d4edd;
    --ai-cyan: #00d4ff;
    --ai-teal: #00ffc3;
    --tech-dark: #0a0f1e;
    --tech-darker: #050913;
    --tech-light: #1a2238;
    --tech-lighter: #2d3748;
    --gold: #ffd700;
    --silver: #c0c0c0;
    --white: #ffffff;
    --light: #f8fafc;
    --gradient-primary: linear-gradient(135deg, var(--primary) 0%, var(--ai-teal) 100%);
    --gradient-ai: linear-gradient(135deg, var(--ai-blue) 0%, var(--ai-purple) 100%);
    --gradient-gold: linear-gradient(135deg, var(--gold) 0%, #ff9500 100%);
    --gradient-tech: linear-gradient(135deg, var(--tech-dark) 0%, var(--tech-light) 100%);
    --gradient-dark: linear-gradient(135deg, #0a0f1e 0%, #0a1429 100%);
    --gradient-premium: linear-gradient(135deg, #0a0f1e 0%, #121a36 50%, #0a0f1e 100%);
    --shadow-glow: 0 0 40px rgba(83, 214, 131, 0.4);
    --shadow-gold: 0 0 30px rgba(255, 215, 0, 0.3);
    --shadow-ai: 0 0 40px rgba(74, 140, 255, 0.4);
    --shadow-card: 0 15px 50px rgba(0, 0, 0, 0.3);
    --shadow-card-hover: 0 25px 70px rgba(0, 0, 0, 0.4);
    --shadow-floating: 0 50px 100px rgba(0, 0, 0, 0.5);
    --transition-smooth: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: all 0.7s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    --radius-large: 28px;
    --radius-medium: 18px;
    --radius-small: 14px;
    --radius-pill: 50px;
    --glass-bg: rgba(255, 255, 255, 0.07);
    --glass-border: rgba(255, 255, 255, 0.12);
    --glass-highlight: rgba(255, 255, 255, 0.1);
    
    /* أحجام الخطوط المعدلة */
    --font-size-xs: 12px;
    --font-size-sm: 14px;
    --font-size-base: 16px;
    --font-size-md: 18px;
    --font-size-lg: 20px;
    --font-size-xl: 24px;
    --font-size-2xl: 28px;
    --font-size-3xl: 32px;
    --font-size-4xl: 36px;
    --font-size-5xl: 42px;
    --font-size-6xl: 48px;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 90px;
    font-size: 16px;
}

body {
    font-family: 'Cairo', 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
        text-rendering: optimizeLegibility;
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
    background-color: var(--tech-darker);
    color: var(--light);
    line-height: 1.7;
    overflow-x: hidden;
    font-weight: 400;
    position: relative;
    background: var(--gradient-premium);
    font-size: var(--font-size-base);
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 15% 25%, rgba(83, 214, 131, 0.12) 0%, transparent 50%),
        radial-gradient(circle at 85% 75%, rgba(74, 140, 255, 0.12) 0%, transparent 50%),
        radial-gradient(circle at 35% 85%, rgba(157, 78, 221, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 65% 15%, rgba(0, 255, 195, 0.05) 0%, transparent 50%);
    z-index: -2;
    pointer-events: none;
    animation: gradientShift 20s ease-in-out infinite alternate;
}

@keyframes gradientShift {
    0% {
        background-position: 0% 0%;
    }
    100% {
        background-position: 100% 100%;
    }
}

/* ========== Luxury Loading ========== */
#luxury-loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--tech-darker);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    transition: opacity 0.8s ease, visibility 0.8s ease;
}

.luxury-loader-container {
    text-align: center;
    position: relative;
}

.luxury-orb {
    width: 160px;
    height: 160px;
    position: relative;
    margin: 0 auto 40px;
    perspective: 1000px;
}

.orb-inner {
    width: 100%;
    height: 100%;
    position: relative;
    transform-style: preserve-3d;
    animation: orbRotate 8s linear infinite;
}

.orb-ring {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: 3px solid transparent;
    border-radius: 50%;
    border-top-color: var(--primary);
    border-right-color: var(--ai-blue);
    border-bottom-color: var(--ai-cyan);
    border-left-color: var(--ai-purple);
    animation: orbSpin 4s linear infinite;
}

.orb-ring:nth-child(2) {
    animation-delay: -1s;
    border-width: 2px;
    opacity: 0.7;
    transform: scale(0.8);
}

.orb-ring:nth-child(3) {
    animation-delay: -2s;
    border-width: 1px;
    opacity: 0.5;
    transform: scale(0.6);
}

.orb-center {
    position: absolute;
    top: 40%;
    left: 55%;
    transform: translate(-50%, -50%);
    width: 80px;
    height: 80px;
    /* background: var(--gradient-primary); */
    border-radius: 50%;
    /* box-shadow: 0 0 40px rgba(83, 214, 131, 0.8); */
}

.loading-text {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--light);
    letter-spacing: 3px;
    position: relative;
    display: inline-block;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 0 30px rgba(83, 214, 131, 0.3);
}

.loading-dots {
    display: inline-flex;
    gap: 8px;
    margin-top: 20px;
}

.loading-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--gradient-primary);
    animation: loadingBounce 1.4s infinite ease-in-out both;
}

.loading-dot:nth-child(1) { animation-delay: -0.32s; }
.loading-dot:nth-child(2) { animation-delay: -0.16s; }

@keyframes orbRotate {
    0% { transform: rotateY(0deg) rotateX(0deg); }
    100% { transform: rotateY(360deg) rotateX(360deg); }
}

@keyframes orbSpin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

@keyframes loadingBounce {
    0%, 80%, 100% { transform: scale(0); }
    40% { transform: scale(1); }
}

/* ========== Luxury Navigation ========== */
.luxury-nav {
    position: fixed;
    top: 0;
    right: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(10, 15, 30, 0.85);
    backdrop-filter: blur(25px) saturate(180%);
    border-bottom: 1px solid var(--glass-border);
    padding: 22px 0;
    transition: var(--transition-smooth);
    box-shadow: 0 5px 25px rgba(0, 0, 0, 0.2);
}

.luxury-nav.scrolled {
    padding: 16px 0;
    background: rgba(10, 15, 30, 0.95);
    backdrop-filter: blur(30px) saturate(200%);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    border-bottom: 1px solid rgba(83, 214, 131, 0.2);
}

.nav-container {
    max-width: 1600px;
    margin: 0 auto;
    padding: 0 32px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.luxury-logo {
    display: flex;
    align-items: center;
    gap: 15px;
    text-decoration: none;
    position: relative;
    z-index: 1001;
    padding: 8px 16px;
    border-radius: var(--radius-medium);
    background: rgba(255, 255, 255, 0.03);
    transition: var(--transition-smooth);
}

.luxury-logo:hover {
    background: rgba(255, 255, 255, 0.05);
    transform: translateY(-2px);
}

.logo-crystal {
    width: 50px;
    height: 50px;
    background: #ffffff;
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 24px;
    font-weight: 900;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-glow);
    transform-style: preserve-3d;
    animation: crystalFloat 6s ease-in-out infinite;
}

.logo-crystal::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(
        45deg,
        transparent 30%,
        rgba(255, 255, 255, 0.2) 50%,
        transparent 70%
    );
    animation: crystalShine 3s infinite linear;
}

.logo-crystal::after {
    content: '';
    position: absolute;
    top: 4px;
    left: 4px;
    right: 4px;
    bottom: 4px;
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
}

@keyframes crystalFloat {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-8px) rotate(5deg); }
}

@keyframes crystalShine {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.logo-text {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.logo-main {
    font-size: var(--font-size-xl);
    font-weight: 900;
    color: var(--white);
    letter-spacing: -0.5px;
    background: linear-gradient(90deg, var(--white) 0%, var(--primary) 50%, var(--ai-cyan) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 0 30px rgba(83, 214, 131, 0.3);
}

.logo-tag {
    font-size: var(--font-size-xs);
    font-weight: 700;
    color: var(--ai-cyan);
    letter-spacing: 2px;
    text-transform: uppercase;
    position: relative;
    padding-right: 12px;
}

.logo-tag::before {
    content: '';
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 8px;
    height: 8px;
    background: var(--gradient-primary);
    border-radius: 50%;
    box-shadow: 0 0 10px rgba(83, 214, 131, 0.8);
}

.luxury-menu {
    display: flex;
    align-items: center;
    gap: 40px;
}

.luxury-nav-list {
    display: flex;
    align-items: center;
    gap: 8px;
    list-style: none;
}

.luxury-nav-item {
    position: relative;
}

.luxury-nav-link {
    text-decoration: none;
    color: rgba(255, 255, 255, 0.85);
    font-weight: 700;
    font-size: var(--font-size-sm);
    padding: 14px 20px;
    border-radius: var(--radius-medium);
    transition: var(--transition-smooth);
    display: flex;
    align-items: center;
    gap: 10px;
    position: relative;
    overflow: hidden;
    letter-spacing: 0.3px;
}

.luxury-nav-link::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    opacity: 0;
    transition: var(--transition-smooth);
    z-index: -1;
}

.luxury-nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    right: 50%;
    transform: translateX(50%);
    width: 0;
    height: 3px;
    background: var(--gradient-primary);
    border-radius: 3px 3px 0 0;
    transition: var(--transition-smooth);
    box-shadow: 0 0 10px rgba(83, 214, 131, 0.8);
}

.luxury-nav-link:hover,
.luxury-nav-link.active {
    color: white;
    transform: translateY(-3px);
    text-shadow: 0 0 10px rgba(255, 255, 255, 0.5);
}

.luxury-nav-link:hover::before,
.luxury-nav-link.active::before {
    opacity: 0.1;
}

.luxury-nav-link:hover::after,
.luxury-nav-link.active::after {
    width: 60%;
}

.luxury-nav-link i {
    font-size: var(--font-size-sm);
    transition: var(--transition-smooth);
    color: var(--primary);
    filter: drop-shadow(0 0 5px rgba(83, 214, 131, 0.5));
}

.luxury-nav-link:hover i,
.luxury-nav-link.active i {
    color: var(--ai-cyan);
    transform: scale(1.2) rotate(10deg);
}

.luxury-dropdown {
    position: absolute;
    top: calc(100% + 10px);
    right: 0;
    background: var(--glass-bg);
    backdrop-filter: blur(30px) saturate(200%);
    min-width: 280px;
    border-radius: var(--radius-large);
    border: 1px solid var(--glass-border);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px) scale(0.95);
    transition: var(--transition-smooth);
    z-index: 100;
    padding: 18px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    box-shadow: var(--shadow-card);
    overflow: hidden;
}

.luxury-dropdown::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(83, 214, 131, 0.05) 0%, rgba(74, 140, 255, 0.05) 100%);
    z-index: -1;
}

.luxury-nav-item:hover .luxury-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
}

.luxury-dropdown-item {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 16px 20px;
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    border-radius: var(--radius-medium);
    transition: var(--transition-smooth);
    font-weight: 600;
    font-size: var(--font-size-sm);
    position: relative;
    overflow: hidden;
    border: 1px solid transparent;
}

.luxury-dropdown-item::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    opacity: 0;
    transition: var(--transition-smooth);
    z-index: -1;
}

.luxury-dropdown-item:hover {
    color: white;
    padding-right: 25px;
    transform: translateX(-8px);
    border-color: var(--primary);
    box-shadow: var(--shadow-glow);
}

.luxury-dropdown-item:hover::before {
    opacity: 0.1;
}

.luxury-dropdown-item i {
    font-size: var(--font-size-md);
    color: var(--primary);
    width: 24px;
    text-align: center;
    transition: var(--transition-smooth);
}

.luxury-dropdown-item:hover i {
    color: var(--ai-cyan);
    transform: scale(1.2);
}

.luxury-actions {
    display: flex;
    align-items: center;
    gap: 20px;
}

.premium-button {
    background: var(--gradient-primary);
    color: white;
    padding: 14px 28px;
    border-radius: var(--radius-pill);
    font-weight: 800;
    font-size: var(--font-size-sm);
    text-decoration: none;
    transition: var(--transition-bounce);
    display: flex;
    align-items: center;
    gap: 10px;
    letter-spacing: 0.8px;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-glow);
    border: 2px solid transparent;
}

.premium-button::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, transparent 30%, rgba(255, 255, 255, 0.3) 50%, transparent 70%);
    transform: translateX(-100%);
    transition: transform 0.8s ease;
}

.premium-button:hover::before {
    transform: translateX(100%);
}

.premium-button:hover {
    transform: translateY(-4px) scale(1.05);
    box-shadow: 0 15px 35px rgba(83, 214, 131, 0.5);
    border-color: rgba(255, 255, 255, 0.2);
}

.download-button {
    background: var(--gradient-ai);
    color: white;
    padding: 14px 28px;
    border-radius: var(--radius-pill);
    font-weight: 800;
    font-size: var(--font-size-sm);
    text-decoration: none;
    transition: var(--transition-bounce);
    display: flex;
    align-items: center;
    gap: 10px;
    letter-spacing: 0.8px;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-ai);
    border: 2px solid transparent;
}

.download-button::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, transparent 30%, rgba(255, 255, 255, 0.3) 50%, transparent 70%);
    transform: translateX(-100%);
    transition: transform 0.8s ease;
}

.download-button:hover::before {
    transform: translateX(100%);
}

.download-button:hover {
    transform: translateY(-4px) scale(1.05);
    box-shadow: 0 15px 35px rgba(74, 140, 255, 0.5);
    border-color: rgba(255, 255, 255, 0.2);
}

.luxury-toggle {
    display: none;
    background: none;
    border: none;
    font-size: var(--font-size-xl);
    color: var(--white);
    cursor: pointer;
    padding: 10px;
    border-radius: 12px;
    transition: var(--transition-smooth);
    position: relative;
    z-index: 1001;
    background: rgba(255, 255, 255, 0.05);
}

.luxury-toggle:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: rotate(90deg);
}

/* ========== App Hero Section ========== */
.app-hero {
    min-height: 60vh;
    position: relative;
    overflow: hidden;
    padding: 150px 32px 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(10, 15, 30, 0.9) 0%, rgba(10, 15, 30, 0.7) 100%);
}

.app-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 30%, rgba(83, 214, 131, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(157, 78, 221, 0.1) 0%, transparent 50%);
    pointer-events: none;
    animation: heroOrbs 15s infinite alternate;
}

@keyframes heroOrbs {
    0% { transform: scale(1); opacity: 0.5; }
    100% { transform: scale(1.2); opacity: 0.8; }
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
    position: relative;
    z-index: 2;
}

.app-badge {
    display: inline-block;
    background: var(--glass-bg);
    backdrop-filter: blur(15px);
    color: var(--ai-teal);
    padding: 12px 28px;
    border-radius: var(--radius-pill);
    font-weight: 800;
    font-size: var(--font-size-sm);
    margin-bottom: 25px;
    letter-spacing: 2px;
    border: 1px solid rgba(0, 255, 195, 0.3);
    position: relative;
    overflow: hidden;
    box-shadow: 0 0 25px rgba(0, 255, 195, 0.2);
    animation: badgeFloat 6s ease-in-out infinite;
}

@keyframes badgeFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-6px); }
}

.hero-title-app {
    font-size: var(--font-size-5xl);
    font-weight: 900;
    color: white;
    margin-bottom: 25px;
    line-height: 1.1;
    text-shadow: 0 0 30px rgba(255, 255, 255, 0.1);
}

.hero-title-app span {
    background: var(--gradient-ai);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
    animation: textGlow 3s ease-in-out infinite alternate;
}

@keyframes textGlow {
    0% { text-shadow: 0 0 30px rgba(74, 140, 255, 0.4); }
    100% { text-shadow: 0 0 60px rgba(74, 140, 255, 0.8); }
}

.hero-text-app {
    font-size: var(--font-size-lg);
    color: rgba(255, 255, 255, 0.85);
    max-width: 800px;
    margin: 0 auto 35px;
    line-height: 1.8;
    font-weight: 600;
    letter-spacing: 0.3px;
    background: rgba(255, 255, 255, 0.05);
    padding: 25px;
    border-radius: var(--radius-large);
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
}

.hero-actions {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 35px;
    flex-wrap: wrap;
}

/* ========== System Hero Section ========== */
.system-hero {
    min-height: 70vh;
    position: relative;
    overflow: hidden;
    padding: 180px 32px 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(10, 15, 30, 0.9) 0%, rgba(10, 15, 30, 0.7) 100%);
}

.system-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 30%, rgba(157, 78, 221, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(74, 140, 255, 0.15) 0%, transparent 50%);
    pointer-events: none;
    animation: heroOrbs 15s infinite alternate;
}

.system-badge {
    display: inline-block;
    background: var(--glass-bg);
    backdrop-filter: blur(15px);
    color: var(--ai-cyan);
    padding: 12px 32px;
    border-radius: var(--radius-pill);
    font-weight: 800;
    font-size: var(--font-size-sm);
    margin-bottom: 32px;
    letter-spacing: 2px;
    border: 1px solid rgba(0, 212, 255, 0.3);
    position: relative;
    overflow: hidden;
    box-shadow: 0 0 25px rgba(0, 212, 255, 0.2);
    animation: badgeFloat 6s ease-in-out infinite;
}

.hero-title-system {
    font-size: var(--font-size-6xl);
    font-weight: 900;
    color: white;
    margin-bottom: 32px;
    line-height: 1.1;
    text-shadow: 0 0 30px rgba(255, 255, 255, 0.1);
}

.hero-title-system span {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
    animation: textGlow 3s ease-in-out infinite alternate;
}

.hero-text-system {
    font-size: var(--font-size-xl);
    color: rgba(255, 255, 255, 0.85);
    max-width: 1000px;
    margin: 0 auto;
    line-height: 1.9;
    font-weight: 600;
    letter-spacing: 0.3px;
    background: rgba(255, 255, 255, 0.05);
    padding: 30px;
    border-radius: var(--radius-large);
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
}

/* ========== App Demo Section ========== */
.app-demo {
    padding: 60px 32px;
    position: relative;
    background: var(--gradient-dark);
}

.app-container {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: 50px;
}

@media (max-width: 992px) {
    .app-container {
        flex-direction: column;
        gap: 40px;
    }
}

.app-image-container {
    flex: 1;
    position: relative;
    display: flex;
    justify-content: center;
}

.app-phone-frame {
    width: 280px;
    height: 560px;
    background: linear-gradient(135deg, #1a2238 0%, #2d3748 100%);
    border-radius: 35px;
    padding: 14px;
    position: relative;
    box-shadow: var(--shadow-card);
    border: 1px solid var(--glass-border);
    overflow: hidden;
    transition: var(--transition-smooth);
}

.app-phone-frame:hover {
    transform: translateY(-15px) rotate(5deg);
    box-shadow: var(--shadow-floating);
}

.app-phone-frame::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, transparent 30%, rgba(255, 255, 255, 0.1) 50%, transparent 70%);
    animation: phoneShine 3s infinite linear;
}

@keyframes phoneShine {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

.app-screen {
    width: 100%;
    height: 100%;
    background: var(--tech-dark);
    border-radius: 28px;
    overflow: hidden;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    padding: 18px;
}

.app-screen-content {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #0a0f1e 0%, #121a36 100%);
    border-radius: 18px;
    overflow: hidden;
    position: relative;
    display: flex;
    flex-direction: column;
}

.app-header {
    background: var(--gradient-primary);
    padding: 18px;
    text-align: center;
    color: white;
    font-weight: 800;
    font-size: var(--font-size-lg);
    letter-spacing: 1px;
}

.app-metrics {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    padding: 18px;
    flex-grow: 1;
}

.app-metric {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 14px;
    padding: 14px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: var(--transition-smooth);
}

.app-metric:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--primary);
    transform: scale(1.05);
}

.metric-value {
    font-size: var(--font-size-xl);
    font-weight: 800;
    color: var(--primary);
    margin-bottom: 5px;
}

.metric-label {
    font-size: var(--font-size-xs);
    color: rgba(255, 255, 255, 0.7);
    text-align: center;
}

.app-content {
    flex: 1;
}

.app-features {
    display: grid;
    grid-template-columns: 1fr;
    gap: 25px;
}

.app-feature-card {
    background: var(--glass-bg);
    backdrop-filter: blur(30px) saturate(200%);
    border-radius: var(--radius-large);
    padding: 35px;
    border: 1px solid var(--glass-border);
    position: relative;
    overflow: hidden;
    transition: var(--transition-smooth);
}

.app-feature-card:hover {
    border-color: var(--ai-purple);
    transform: translateX(-12px);
    box-shadow: 0 0 40px rgba(157, 78, 221, 0.3);
}

.app-feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, rgba(157, 78, 221, 0.05) 0%, rgba(74, 140, 255, 0.05) 100%);
    z-index: -1;
}

.feature-header {
    display: flex;
    align-items: center;
    gap: 18px;
    margin-bottom: 22px;
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-ai);
    border-radius: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: var(--font-size-xl);
    box-shadow: var(--shadow-ai);
    position: relative;
    overflow: hidden;
}

.feature-title {
    font-size: var(--font-size-2xl);
    font-weight: 800;
    color: white;
    text-shadow: 0 0 15px rgba(255, 255, 255, 0.1);
}

.feature-desc {
    color: rgba(255, 255, 255, 0.85);
    font-size: var(--font-size-md);
    line-height: 1.8;
    font-weight: 600;
    letter-spacing: 0.3px;
}

.feature-list {
    margin-top: 18px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px;
    background: rgba(255, 255, 255, 0.03);
    border-radius: var(--radius-medium);
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition-smooth);
}

.feature-item:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--primary);
    transform: translateX(-5px);
}

.feature-item i {
    color: var(--primary);
    font-size: var(--font-size-base);
    width: 20px;
    text-align: center;
}

/* ========== System Visualization ========== */
.system-visualization {
    padding: 60px 32px;
    position: relative;
    background: var(--gradient-dark);
}

.visualization-container {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: 60px;
}

@media (max-width: 992px) {
    .visualization-container {
        flex-direction: column;
    }
}

.system-illustration {
    flex: 1;
    position: relative;
    display: flex;
    justify-content: center;
}

.system-container {
    width: 400px;
    height: 400px;
    position: relative;
}

.system-orb {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: conic-gradient(
        from 0deg,
        var(--primary),
        var(--ai-blue),
        var(--ai-teal),
        var(--primary)
    );
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-glow);
    animation: systemRotate 10s linear infinite;
}

@keyframes systemRotate {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.system-orb::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 85%;
    height: 85%;
    background: var(--tech-dark);
    border-radius: 50%;
    z-index: 1;
}

.system-icons {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 2;
}

.system-icon {
    position: absolute;
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: var(--font-size-lg);
    box-shadow: var(--shadow-glow);
    animation: iconPulse 3s infinite ease-in-out;
}

.system-icon:nth-child(1) { top: 15%; left: 40%; animation-delay: 0s; }
.system-icon:nth-child(2) { top: 40%; left: 75%; animation-delay: 0.5s; }
.system-icon:nth-child(3) { top: 70%; left: 40%; animation-delay: 1s; }
.system-icon:nth-child(4) { top: 40%; left: 10%; animation-delay: 1.5s; }

@keyframes iconPulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

.system-features {
    flex: 1;
}

.system-features-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 30px;
}

.system-feature-card {
    background: var(--glass-bg);
    backdrop-filter: blur(30px) saturate(200%);
    border-radius: var(--radius-large);
    padding: 40px;
    border: 1px solid var(--glass-border);
    position: relative;
    overflow: hidden;
    transition: var(--transition-smooth);
}

.system-feature-card:hover {
    border-color: var(--primary);
    transform: translateX(-15px);
    box-shadow: 0 0 40px rgba(83, 214, 131, 0.3);
}

.system-feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, rgba(83, 214, 131, 0.05) 0%, rgba(74, 140, 255, 0.05) 100%);
    z-index: -1;
}

/* ========== Safety Section ========== */
.safety-section {
    padding: 60px 32px;
    position: relative;
    background: linear-gradient(135deg, #0a1429 0%, #0a0f1e 100%);
}

.safety-container {
    max-width: 1400px;
    margin: 0 auto;
}

.safety-header {
    text-align: center;
    margin-bottom: 50px;
}

.safety-badge {
    display: inline-block;
    background: var(--glass-bg);
    backdrop-filter: blur(15px);
    color: var(--ai-teal);
    padding: 12px 28px;
    border-radius: var(--radius-pill);
    font-weight: 800;
    font-size: var(--font-size-sm);
    margin-bottom: 18px;
    letter-spacing: 2px;
    border: 1px solid rgba(0, 255, 195, 0.3);
    box-shadow: 0 0 25px rgba(0, 255, 195, 0.2);
}

.safety-title {
    font-size: var(--font-size-4xl);
    font-weight: 900;
    color: white;
    margin-bottom: 18px;
    text-shadow: 0 0 30px rgba(255, 255, 255, 0.1);
}

.safety-title span {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.safety-subtitle {
    color: rgba(255, 255, 255, 0.7);
    font-size: var(--font-size-lg);
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.8;
}

.safety-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 25px;
    margin-top: 35px;
}

.safety-card {
    background: var(--glass-bg);
    backdrop-filter: blur(30px) saturate(200%);
    border-radius: var(--radius-large);
    padding: 35px;
    border: 1px solid var(--glass-border);
    position: relative;
    overflow: hidden;
    transition: var(--transition-smooth);
}

.safety-card:hover {
    border-color: var(--primary);
    transform: translateY(-8px);
    box-shadow: var(--shadow-glow);
}

.safety-card::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, rgba(83, 214, 131, 0.05) 0%, rgba(74, 140, 255, 0.05) 100%);
    z-index: -1;
}

.safety-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: var(--font-size-xl);
    margin-bottom: 22px;
    box-shadow: var(--shadow-glow);
    position: relative;
    overflow: hidden;
}

.safety-card-title {
    font-size: var(--font-size-xl);
    font-weight: 800;
    color: white;
    margin-bottom: 18px;
    text-shadow: 0 0 15px rgba(255, 255, 255, 0.1);
}

.safety-card-desc {
    color: rgba(255, 255, 255, 0.85);
    font-size: var(--font-size-md);
    line-height: 1.8;
    font-weight: 600;
}

/* ========== Problems Solutions Section ========== */
.problems-solutions {
    padding: 80px 32px;
    position: relative;
    background: linear-gradient(135deg, #0a1429 0%, #0a0f1e 100%);
}

.ps-container {
    max-width: 1400px;
    margin: 0 auto;
}

.ps-header {
    text-align: center;
    margin-bottom: 60px;
}

.ps-badge {
    display: inline-block;
    background: var(--glass-bg);
    backdrop-filter: blur(15px);
    color: var(--ai-teal);
    padding: 12px 32px;
    border-radius: var(--radius-pill);
    font-weight: 800;
    font-size: var(--font-size-sm);
    margin-bottom: 20px;
    letter-spacing: 2px;
    border: 1px solid rgba(0, 255, 195, 0.3);
    box-shadow: 0 0 25px rgba(0, 255, 195, 0.2);
}

.ps-title {
    font-size: var(--font-size-4xl);
    font-weight: 900;
    color: white;
    margin-bottom: 20px;
    text-shadow: 0 0 30px rgba(255, 255, 255, 0.1);
}

.ps-title span {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.ps-subtitle {
    color: rgba(255, 255, 255, 0.7);
    font-size: var(--font-size-xl);
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.8;
}

.ps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.problem-card {
    background: var(--glass-bg);
    backdrop-filter: blur(30px) saturate(200%);
    border-radius: var(--radius-large);
    padding: 40px;
    border: 1px solid rgba(255, 100, 100, 0.2);
    position: relative;
    overflow: hidden;
    transition: var(--transition-smooth);
}

.problem-card:hover {
    border-color: #ff6b6b;
    transform: translateY(-10px);
    box-shadow: 0 0 40px rgba(255, 107, 107, 0.3);
}

.problem-card::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, rgba(255, 107, 107, 0.05) 0%, rgba(255, 71, 71, 0.05) 100%);
    z-index: -1;
}

.solution-card {
    background: var(--glass-bg);
    backdrop-filter: blur(30px) saturate(200%);
    border-radius: var(--radius-large);
    padding: 40px;
    border: 1px solid var(--glass-border);
    position: relative;
    overflow: hidden;
    transition: var(--transition-smooth);
}

.solution-card:hover {
    border-color: var(--primary);
    transform: translateY(-10px);
    box-shadow: var(--shadow-glow);
}

.solution-card::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, rgba(83, 214, 131, 0.05) 0%, rgba(74, 140, 255, 0.05) 100%);
    z-index: -1;
}

.problem-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, #ff6b6b 0%, #ff8e8e 100%);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: var(--font-size-2xl);
    margin-bottom: 25px;
    box-shadow: 0 0 25px rgba(255, 107, 107, 0.3);
    position: relative;
    overflow: hidden;
}

.solution-icon {
    width: 70px;
    height: 70px;
    background: var(--gradient-primary);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: var(--font-size-2xl);
    margin-bottom: 25px;
    box-shadow: var(--shadow-glow);
    position: relative;
    overflow: hidden;
}

.problem-title {
    font-size: var(--font-size-2xl);
    font-weight: 800;
    color: white;
    margin-bottom: 20px;
    text-shadow: 0 0 15px rgba(255, 255, 255, 0.1);
}

.solution-title {
    font-size: var(--font-size-2xl);
    font-weight: 800;
    color: white;
    margin-bottom: 20px;
    text-shadow: 0 0 15px rgba(255, 255, 255, 0.1);
}

.problem-desc, .solution-desc {
    color: rgba(255, 255, 255, 0.85);
    font-size: var(--font-size-lg);
    line-height: 1.8;
    font-weight: 600;
}

/* ========== Benefits Section ========== */
.benefits-section {
    padding: 60px 32px;
    position: relative;
    background: var(--gradient-dark);
}

.benefits-container {
    max-width: 1400px;
    margin: 0 auto;
}

.benefits-header {
    text-align: center;
    margin-bottom: 50px;
}

.benefits-title {
    font-size: var(--font-size-4xl);
    font-weight: 900;
    color: white;
    margin-bottom: 18px;
    text-shadow: 0 0 30px rgba(255, 255, 255, 0.1);
}

.benefits-title span {
    background: var(--gradient-gold);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
    margin-top: 35px;
}

.benefit-card {
    background: var(--glass-bg);
    backdrop-filter: blur(30px) saturate(200%);
    border-radius: var(--radius-large);
    padding: 35px;
    border: 1px solid var(--glass-border);
    position: relative;
    overflow: hidden;
    transition: var(--transition-smooth);
    text-align: center;
}

.benefit-card:hover {
    border-color: var(--gold);
    transform: translateY(-12px);
    box-shadow: var(--shadow-gold);
}

.benefit-card::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, rgba(255, 215, 0, 0.05) 0%, rgba(255, 149, 0, 0.05) 100%);
    z-index: -1;
}

.benefit-icon {
    width: 70px;
    height: 70px;
    background: var(--gradient-gold);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: var(--font-size-2xl);
    margin: 0 auto 22px;
    box-shadow: var(--shadow-gold);
    position: relative;
    overflow: hidden;
}

.benefit-title {
    font-size: var(--font-size-xl);
    font-weight: 800;
    color: white;
    margin-bottom: 18px;
    text-shadow: 0 0 15px rgba(255, 255, 255, 0.1);
}

.benefit-desc {
    color: rgba(255, 255, 255, 0.85);
    font-size: var(--font-size-md);
    line-height: 1.8;
    font-weight: 600;
}

/* ========== Commitment Section ========== */
.commitment-section {
    padding: 80px 32px;
    position: relative;
    background: linear-gradient(135deg, #050913 0%, #0a0f1e 100%);
}

.commitment-container {
    max-width: 1000px;
    margin: 0 auto;
    text-align: center;
}

.commitment-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: 25px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: var(--font-size-3xl);
    margin: 0 auto 35px;
    box-shadow: var(--shadow-glow);
    position: relative;
    overflow: hidden;
    animation: iconFloat 6s ease-in-out infinite;
}

@keyframes iconFloat {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-12px) rotate(8deg); }
}

.commitment-title {
    font-size: var(--font-size-3xl);
    font-weight: 900;
    color: white;
    margin-bottom: 25px;
    text-shadow: 0 0 30px rgba(255, 255, 255, 0.1);
}

.commitment-title span {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.commitment-text {
    color: rgba(255, 255, 255, 0.9);
    font-size: var(--font-size-lg);
    line-height: 1.9;
    font-weight: 600;
    letter-spacing: 0.3px;
    max-width: 800px;
    margin: 0 auto;
    background: rgba(255, 255, 255, 0.03);
    padding: 35px;
    border-radius: var(--radius-large);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

/* ========== Floating Elements ========== */
.floating-elements {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
}

.floating-element {
    position: absolute;
    background: var(--gradient-primary);
    border-radius: 50%;
    opacity: 0.05;
    filter: blur(20px);
    animation: floatElement 20s infinite linear;
}

.floating-element:nth-child(1) {
    width: 300px;
    height: 300px;
    top: 10%;
    right: 10%;
    animation-delay: 0s;
}

.floating-element:nth-child(2) {
    width: 200px;
    height: 200px;
    bottom: 20%;
    left: 10%;
    animation-delay: -5s;
    background: var(--gradient-ai);
}

.floating-element:nth-child(3) {
    width: 150px;
    height: 150px;
    top: 50%;
    right: 20%;
    animation-delay: -10s;
    background: var(--gradient-gold);
}

@keyframes floatElement {
    0% {
        transform: translate(0, 0) rotate(0deg);
    }
    33% {
        transform: translate(100px, 100px) rotate(120deg);
    }
    66% {
        transform: translate(-50px, 150px) rotate(240deg);
    }
    100% {
        transform: translate(0, 0) rotate(360deg);
    }
}

/* ========== Luxury Footer ========== */
.luxury-footer {
    background: linear-gradient(135deg, #050913 0%, #0a0f1e 100%);
    color: white;
    padding: 80px 32px 40px;
    position: relative;
    border-top: 1px solid var(--glass-border);
}

.luxury-footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 30% 20%, rgba(83, 214, 131, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 70% 80%, rgba(74, 140, 255, 0.05) 0%, transparent 50%);
    pointer-events: none;
}

.footer-grid-premium {
    max-width: 1600px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 50px;
    margin-bottom: 60px;
}

.footer-brand-premium {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.footer-logo-premium {
    display: flex;
    align-items: center;
    gap: 15px;
    text-decoration: none;
    padding: 18px;
    border-radius: var(--radius-large);
    background: rgba(255, 255, 255, 0.03);
    transition: var(--transition-smooth);
}

.footer-logo-premium:hover {
    background: rgba(255, 255, 255, 0.05);
    transform: translateY(-4px);
}

.footer-crystal {
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: var(--font-size-xl);
    font-weight: 800;
    box-shadow: var(--shadow-glow);
    position: relative;
    overflow: hidden;
}

.footer-brand-text-premium {
    font-size: var(--font-size-xl);
    font-weight: 900;
    color: white;
    background: linear-gradient(90deg, var(--white) 0%, var(--primary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-tagline-premium {
    color: rgba(255, 255, 255, 0.7);
    font-size: var(--font-size-base);
    line-height: 1.7;
    font-weight: 600;
    letter-spacing: 0.3px;
}

.footer-social-premium {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
    margin-top: 25px;
}

.social-crystal {
    width: 45px;
    height: 45px;
    background: var(--glass-bg);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    transition: var(--transition-smooth);
    border: 1px solid var(--glass-border);
    position: relative;
    overflow: hidden;
}

.social-crystal::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    opacity: 0;
    transition: var(--transition-smooth);
    z-index: -1;
}

.social-crystal:hover::before {
    opacity: 0.2;
}

.social-crystal:hover {
    transform: translateY(-6px) scale(1.1);
    border-color: var(--primary);
    box-shadow: var(--shadow-glow);
}

.footer-column-premium h3 {
    font-size: var(--font-size-xl);
    font-weight: 800;
    color: white;
    margin-bottom: 25px;
    position: relative;
    padding-bottom: 14px;
    text-shadow: 0 0 10px rgba(255, 255, 255, 0.1);
}

.footer-column-premium h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    right: 0;
    width: 40px;
    height: 3px;
    background: var(--gradient-primary);
    border-radius: 2px;
    box-shadow: 0 0 15px rgba(83, 214, 131, 0.5);
}

.footer-links-premium {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.footer-links-premium a {
    color: rgba(255, 255, 255, 0.75);
    text-decoration: none;
    transition: var(--transition-smooth);
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: var(--font-size-base);
    font-weight: 600;
    padding: 6px 0;
    position: relative;
}

.footer-links-premium a::before {
    content: '';
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 0;
    height: 1px;
    background: var(--gradient-primary);
    transition: var(--transition-smooth);
}

.footer-links-premium a:hover {
    color: var(--primary);
    padding-right: 12px;
}

.footer-links-premium a:hover::before {
    width: 8px;
}

.footer-links-premium i {
    font-size: var(--font-size-base);
    color: var(--primary);
    width: 20px;
    text-align: center;
    filter: drop-shadow(0 0 5px rgba(83, 214, 131, 0.5));
}

.footer-contact-premium {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.contact-item-premium {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 14px;
    border-radius: var(--radius-medium);
    background: rgba(255, 255, 255, 0.03);
    transition: var(--transition-smooth);
}

.contact-item-premium:hover {
    background: rgba(255, 255, 255, 0.05);
    transform: translateX(-8px);
}

.contact-item-premium i {
    color: var(--primary);
    font-size: var(--font-size-lg);
    margin-top: 2px;
    filter: drop-shadow(0 0 5px rgba(83, 214, 131, 0.5));
}

.contact-text-premium {
    color: rgba(255, 255, 255, 0.85);
    font-size: var(--font-size-base);
    line-height: 1.6;
    font-weight: 600;
}

.footer-bottom-premium {
    text-align: center;
    padding-top: 40px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.6);
    font-size: var(--font-size-sm);
    font-weight: 600;
}

.footer-bottom-premium a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition-smooth);
}

.footer-bottom-premium a:hover {
    color: var(--ai-cyan);
    text-shadow: 0 0 10px rgba(0, 212, 255, 0.5);
}

/* ========== Luxury Language Selector ========== */
.language-form {
    position: relative;
}

.language-select-wrapper {
    position: relative;
    min-width: 140px;
}

.language-select {
    background: var(--glass-bg);
    backdrop-filter: blur(30px) saturate(200%);
    color: rgba(255, 255, 255, 0.9);
    padding: 12px 42px 12px 20px;
    border-radius: var(--radius-medium);
    font-weight: 700;
    font-size: var(--font-size-sm);
    letter-spacing: 0.5px;
    border: 1px solid var(--glass-border);
    cursor: pointer;
    transition: var(--transition-smooth);
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    position: relative;
    z-index: 1;
    box-shadow: 0 5px 25px rgba(0, 0, 0, 0.2);
    width: 100%;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12' fill='none'%3E%3Cpath d='M2.5 4.5L6 8L9.5 4.5' stroke='%2353d683' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: calc(100% - 18px) center;
    background-size: 10px;
}

.language-select:hover {
    border-color: var(--primary);
    background-color: rgba(83, 214, 131, 0.1);
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(83, 214, 131, 0.15);
}

.language-select:focus {
    outline: none;
    border-color: var(--ai-cyan);
    box-shadow: 0 0 0 2px rgba(0, 212, 255, 0.2), 0 0 30px rgba(0, 212, 255, 0.1);
}

.language-select option {
    background-color: var(--tech-dark);
    color: white;
    padding: 10px 16px;
    font-weight: 600;
    font-size: var(--font-size-sm);
}

/* تخصيص السهم */
.language-select-wrapper::after {
    content: '';
    position: absolute;
    top: 50%;
    right: 18px;
    transform: translateY(-50%);
    width: 6px;
    height: 6px;
    border-right: 2px solid var(--primary);
    border-bottom: 2px solid var(--primary);
    transform: translateY(-50%) rotate(45deg);
    pointer-events: none;
    z-index: 2;
    transition: var(--transition-smooth);
}

.language-select-wrapper:hover::after {
    border-color: var(--ai-cyan);
    transform: translateY(-50%) rotate(225deg);
}

/* تأثيرات خاصة لكل لغة */
.language-select option[value="ar"] {
    background: linear-gradient(90deg, #53d683 0%, #2bc470 100%);
    color: black;
}

.language-select option[value="en"] {
    background: linear-gradient(90deg, #4a8cff 0%, #3a7cff 100%);
    color: black;
}

.language-select option[value="de"] {
    background: linear-gradient(90deg, #000000 0%, #333333 100%);
    color: black;
}

.language-select option[value="fr"] {
    background: linear-gradient(90deg, #0055a4 0%, #ef4135 100%);
    color: black;
}

/* استعلام الوسائط للتصميم المتجاوب */
@media (max-width: 1200px) {
    .luxury-actions {
        width: 100%;
        display: flex;
        justify-content: center;
        margin-top: 25px;
    }
    
    .language-form {
        width: 100%;
    }
    
    .language-select-wrapper {
        min-width: 100%;
        max-width: 280px;
        margin: 0 auto;
    }
    
    .language-select {
        padding: 14px 42px 14px 20px;
        font-size: var(--font-size-base);
    }
}

@media (max-width: 768px) {
    .language-select {
        padding: 12px 42px 12px 18px;
        font-size: var(--font-size-sm);
    }
    
    .language-select-wrapper::after {
        right: 16px;
    }
}

/* تأثيرات متقدمة */
.language-select-wrapper {
    perspective: 1000px;
}

.language-select {
    transform-style: preserve-3d;
    transform-origin: center;
}

.language-select:hover {
    transform: translateY(-2px) rotateX(5deg);
}

.language-select:focus {
    animation: languagePulse 1.5s ease-in-out infinite;
}

@keyframes languagePulse {
    0%, 100% {
        box-shadow: 0 0 0 0 rgba(0, 212, 255, 0.1);
    }
    50% {
        box-shadow: 0 0 0 8px rgba(0, 212, 255, 0);
    }
}

/* تأثيرات توهج عند التحديد */
.language-select:focus {
    background-color: rgba(83, 214, 131, 0.15);
}

/* تأثير عند تغيير اللغة */
@keyframes languageChange {
    0% {
        transform: translateY(-2px) scale(0.95);
        opacity: 0.8;
    }
    100% {
        transform: translateY(0) scale(1);
        opacity: 1;
    }
}

.language-select.changing {
    animation: languageChange 0.4s ease-out;
}

/* تحسينات الوصول */
.language-select:focus-visible {
    outline: 2px solid var(--ai-cyan);
    outline-offset: 2px;
}

/* ========== Responsive Design ========== */
@media (max-width: 1400px) {
    .hero-title-app,
    .hero-title-system {
        font-size: var(--font-size-4xl);
    }
    
    .safety-title,
    .benefits-title,
    .ps-title {
        font-size: var(--font-size-3xl);
    }
    
    .footer-grid-premium {
        gap: 40px;
    }
}

@media (max-width: 1200px) {
    .luxury-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 85%;
        height: 100vh;
        background: var(--tech-dark);
        flex-direction: column;
        justify-content: center;
        padding: 80px 40px 40px;
        transition: var(--transition-smooth);
        z-index: 1000;
        border-left: 1px solid var(--glass-border);
        backdrop-filter: blur(30px);
    }
    
    .luxury-menu.active {
        right: 0;
    }
    
    .luxury-nav-list {
        flex-direction: column;
        width: 100%;
        gap: 12px;
    }
    
    .luxury-nav-link {
        width: 100%;
        justify-content: center;
        padding: 18px 25px;
        font-size: var(--font-size-base);
    }
    
    .luxury-dropdown {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        background: transparent;
        border: none;
        padding: 12px 0 0 25px;
        display: none;
        backdrop-filter: none;
    }
    
    .luxury-dropdown::before {
        display: none;
    }
    
    .luxury-nav-item.active .luxury-dropdown {
        display: flex;
    }
    
    .luxury-toggle {
        display: block;
    }
    
    .footer-grid-premium {
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
    }
    
    .hero-title-app,
    .hero-title-system {
        font-size: var(--font-size-3xl);
    }
    
    .safety-grid,
    .benefits-grid,
    .ps-grid {
        grid-template-columns: 1fr;
    }
    
    .app-phone-frame,
    .system-container {
        width: 250px;
        height: 500px;
    }
    
    .system-container {
        height: 250px;
    }
}

@media (max-width: 992px) {
    .hero-title-app,
    .hero-title-system {
        font-size: var(--font-size-3xl);
    }
    
    .app-container,
    .visualization-container {
        flex-direction: column;
        gap: 40px;
    }
    
    .app-feature-card,
    .safety-card,
    .benefit-card,
    .problem-card,
    .solution-card,
    .system-feature-card {
        padding: 30px;
    }
    
    .footer-grid-premium {
        grid-template-columns: 1fr;
    }
    
    .safety-title,
    .benefits-title,
    .ps-title,
    .commitment-title {
        font-size: var(--font-size-2xl);
    }
    
    .hero-text-app,
    .hero-text-system,
    .safety-subtitle,
    .ps-subtitle,
    .commitment-text {
        font-size: var(--font-size-md);
    }
}

@media (max-width: 768px) {
    .hero-title-app,
    .hero-title-system {
        font-size: var(--font-size-2xl);
    }
    
    .safety-title,
    .benefits-title,
    .ps-title,
    .commitment-title {
        font-size: var(--font-size-xl);
    }
    
    .app-badge,
    .safety-badge,
    .system-badge,
    .ps-badge {
        padding: 10px 20px;
        font-size: var(--font-size-xs);
    }
    
    .logo-main,
    .footer-brand-text-premium {
        font-size: var(--font-size-lg);
    }
    
    .premium-button,
    .download-button {
        padding: 12px 24px;
        font-size: var(--font-size-sm);
    }
    
    .hero-text-app,
    .hero-text-system,
    .safety-subtitle,
    .ps-subtitle,
    .commitment-text {
        font-size: var(--font-size-base);
    }
    
    .hero-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .app-phone-frame {
        width: 220px;
        height: 440px;
    }
    
    .system-container {
        width: 220px;
        height: 220px;
    }
    
    .app-hero,
    .system-hero,
    .app-demo,
    .system-visualization,
    .safety-section,
    .problems-solutions,
    .benefits-section,
    .commitment-section,
    .luxury-footer {
        padding-left: 20px;
        padding-right: 20px;
    }
    
    .nav-container {
        padding: 0 20px;
    }
    
    .app-feature-card,
    .safety-card,
    .benefit-card,
    .problem-card,
    .solution-card,
    .system-feature-card,
    .commitment-text {
        padding: 25px 20px;
    }
    
    .feature-title,
    .safety-card-title,
    .benefit-title,
    .problem-title,
    .solution-title {
        font-size: var(--font-size-lg);
    }
    
    .feature-desc,
    .safety-card-desc,
    .benefit-desc,
    .problem-desc,
    .solution-desc {
        font-size: var(--font-size-base);
    }
}

@media (max-width: 480px) {
    .hero-title-app,
    .hero-title-system {
        font-size: var(--font-size-xl);
    }
    
    .safety-title,
    .benefits-title,
    .ps-title,
    .commitment-title {
        font-size: var(--font-size-lg);
    }
    
    .logo-main,
    .footer-brand-text-premium {
        font-size: var(--font-size-md);
    }
    
    .premium-button,
    .download-button {
        padding: 10px 20px;
        font-size: var(--font-size-xs);
    }
    
    .nav-container,
    .hero-container {
        padding-left: 15px;
        padding-right: 15px;
    }
    
    .app-hero,
    .system-hero {
        padding: 140px 15px 50px;
    }
    
    .app-demo,
    .system-visualization,
    .safety-section,
    .problems-solutions,
    .benefits-section,
    .commitment-section {
        padding: 40px 15px;
    }
    
    .app-feature-card,
    .safety-card,
    .benefit-card,
    .problem-card,
    .solution-card,
    .system-feature-card,
    .commitment-text {
        padding: 20px 15px;
    }
    
    .app-phone-frame {
        width: 200px;
        height: 400px;
        border-radius: 30px;
    }
    
    .system-container {
        width: 200px;
        height: 200px;
    }
    
    .feature-icon,
    .safety-icon,
    .problem-icon,
    .solution-icon {
        width: 50px;
        height: 50px;
        font-size: var(--font-size-lg);
    }
    
    .benefit-icon {
        width: 60px;
        height: 60px;
        font-size: var(--font-size-xl);
    }
    
    .commitment-icon {
        width: 60px;
        height: 60px;
        font-size: var(--font-size-xl);
    }
    
    .system-icon {
        width: 40px;
        height: 40px;
        font-size: var(--font-size-md);
    }
    
    .footer-column-premium h3 {
        font-size: var(--font-size-lg);
    }
}

/* ========== Animation Classes ========== */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1), 
                transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.4s; }
.delay-5 { transition-delay: 0.5s; }
.delay-6 { transition-delay: 0.6s; }
.delay-7 { transition-delay: 0.7s; }
.delay-8 { transition-delay: 0.8s; }

/* ========== Custom Scrollbar ========== */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--tech-darker);
}

::-webkit-scrollbar-thumb {
    background: var(--gradient-primary);
    border-radius: 5px;
    border: 2px solid var(--tech-darker);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary);
}

/* ========== Selection Color ========== */
::selection {
    background: rgba(83, 214, 131, 0.3);
    color: white;
}

::-moz-selection {
    background: rgba(83, 214, 131, 0.3);
    color: white;
}
    /* ========== Loader Logo Styles ========== */
.loader-logo {
  position: relative;
  margin-bottom: 30px;
  /* animation: logoFloat 6s ease-in-out infinite; */
}

.loader-logo img {
  width: 100px;
  height: 100px;
  object-fit: contain;
  filter: drop-shadow(0 0 20px rgba(83, 214, 131, 0.5));
}

@keyframes logoFloat {
  0%, 100% { transform: translateY(0) scale(1); }
  50% { transform: translateY(-10px) scale(1.05); }
}

/* تعديلات للشاشات الصغيرة */
@media (max-width: 768px) {
  .loader-logo img {
    width: 80px;
    height: 80px;
  }
}

@media (max-width: 480px) {
  .loader-logo img {
    width: 80px;
    height: 80px;
  }
}

/* ========== Shared Color Harmonization ========== */
:root {
    --surface-base: #07110d;
    --surface-raised: #0d1c15;
    --surface-muted: #13241b;
    --line-soft: rgba(255, 255, 255, 0.12);
    --text-strong: #f6fbf7;
    --text-muted: rgba(246, 251, 247, 0.76);
    --gradient-premium: linear-gradient(135deg, #07110d 0%, #0d1c15 50%, #07110d 100%);
    --gradient-primary: linear-gradient(135deg, #43c979 0%, #0fb897 100%);
}

html,
body {
    background: var(--surface-base);
}

body {
    color: var(--text-strong);
    letter-spacing: 0;
}

body::before {
    animation: none;
    background: linear-gradient(135deg, rgba(83, 214, 131, 0.05), rgba(0, 212, 255, 0.04));
    opacity: 0.65;
}

.luxury-nav,
.luxury-nav.scrolled {
    background: rgba(7, 17, 13, 0.92);
    border-bottom: 1px solid rgba(83, 214, 131, 0.18);
    box-shadow: 0 8px 28px rgba(0, 0, 0, 0.24);
}

.about-hero,
.contact-hero,
.greenhouse-hero,
.system-hero,
.app-hero,
.ai-hero {
    background: linear-gradient(135deg, rgba(7, 17, 13, 0.96), rgba(13, 28, 21, 0.9));
}

.about-hero::before,
.contact-hero::before,
.greenhouse-hero::before,
.system-hero::before,
.app-hero::before,
.ai-hero::before,
.luxury-footer::before {
    animation: none;
    background: linear-gradient(135deg, rgba(83, 214, 131, 0.06), rgba(0, 212, 255, 0.04));
    opacity: 0.7;
}

.team-section,
.benefits-section,
.safety-section,
.commitment-section {
    background: var(--surface-base);
}

.luxury-footer {
    background: var(--surface-muted);
}

.content-section,
.mv-card,
.value-card,
.team-card,
.contact-info-section,
.contact-form-section,
.greenhouse-feature-card,
.system-feature-card,
.app-feature-card,
.ai-feature-card,
.application-card,
.problem-card,
.solution-card,
.safety-card,
.benefit-card {
    background: rgba(255, 255, 255, 0.055);
    border-color: var(--line-soft);
    border-radius: 8px;
    box-shadow: 0 16px 38px rgba(0, 0, 0, 0.24);
}

.content-section:hover,
.mv-card:hover,
.value-card:hover,
.team-card:hover,
.contact-info-section:hover,
.contact-form-section:hover,
.greenhouse-feature-card:hover,
.system-feature-card:hover,
.app-feature-card:hover,
.ai-feature-card:hover,
.application-card:hover,
.problem-card:hover,
.solution-card:hover,
.safety-card:hover,
.benefit-card:hover {
    box-shadow: 0 18px 42px rgba(0, 0, 0, 0.28);
}

.section-text,
.section-subtitle,
.hero-text-about,
.hero-text-contact,
.hero-text-greenhouse,
.hero-text-system,
.hero-text-app,
.hero-text-ai,
.safety-card-desc,
.benefit-card-desc,
.footer-tagline-premium {
    color: var(--text-muted);
}

.premium-button,
.download-button,
.form-button {
    background: var(--gradient-primary);
    border-radius: 8px;
    box-shadow: 0 12px 30px rgba(15, 184, 151, 0.24);
    letter-spacing: 0;
}