/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #667eea;
    --primary-dark: #5a67d8;
    --primary-light: #a5b4fc;
    --secondary-color: #f7fafc;
    --accent-color: #f093fb;
    --accent-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --text-primary: #1a202c;
    --text-secondary: #4a5568;
    --text-light: #718096;
    --white: #ffffff;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-800: #1f2937;
    --gray-900: #111827;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    --shadow-2xl: 0 25px 50px -12px rgb(0 0 0 / 0.25);
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-secondary: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --gradient-accent: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
}

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--white);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%); /* Default fallback */
    backdrop-filter: blur(10px);
    z-index: 1000;
    transition: all 0.3s ease;
    box-shadow: 0 4px 20px rgba(102, 126, 234, 0.3);
}

/* Language Switcher */
.language-switcher {
    display: flex;
    gap: 0.25rem;
    align-items: center;
    background: rgba(255, 255, 255, 0.9);
    padding: 4px;
    border-radius: 12px;
    backdrop-filter: blur(10px);
    border: 1px solid var(--gray-200);
}

.lang-btn {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    padding: 6px 10px;
    background: transparent;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
    min-width: 40px;
    justify-content: center;
}

.lang-btn:hover {
    background: var(--gray-100);
    color: var(--primary-color);
    transform: translateY(-1px);
}

.lang-btn.active {
    background: var(--primary-color);
    color: var(--white);
    box-shadow: 0 2px 8px rgba(99, 102, 241, 0.3);
}

.lang-btn .flag {
    font-size: 1rem;
}

.lang-btn .lang-text {
    font-weight: 600;
    font-size: 0.8rem;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
    position: relative;
}

.nav-left {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-right {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 8px;
}

.logo-image {
    height: 90px;
    width: auto;
    object-fit: contain;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--white);
    margin: 0;
    letter-spacing: 1px;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-link {
    text-decoration: none;
    color: rgba(255, 255, 255, 0.9);
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-link:hover {
    color: var(--white);
}

.nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 0;
    background-color: var(--white);
    transition: width 0.3s ease;
}

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

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    position: absolute;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 1002;
}

.bar {
    width: 25px;
    height: 3px;
    background-color: var(--text-primary);
    margin: 3px 0;
    transition: 0.3s;
}

.hamburger.active .bar:nth-child(1) {
    transform: rotate(-45deg) translate(-5px, 6px);
}

.hamburger.active .bar:nth-child(2) {
    opacity: 0;
}

.hamburger.active .bar:nth-child(3) {
    transform: rotate(45deg) translate(-5px, -6px);
}

/* Mobile Menu */
.mobile-menu {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(10px);
    z-index: 1001;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

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

.mobile-menu-content {
    position: absolute;
    top: 0;
    right: 0;
    width: 300px;
    height: 100%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 2rem;
    transform: translateX(100%);
    transition: transform 0.3s ease;
    overflow-y: auto;
}

.mobile-menu.active .mobile-menu-content {
    transform: translateX(0);
}

.mobile-menu-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.mobile-logo .logo-container {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.mobile-logo .logo-image {
    width: 100px;
    height: 100px;
}

.mobile-logo .logo-text {
    color: var(--white);
    font-size: 1rem;
    font-weight: 700;
}

/* Mobile menu close button removed - hamburger X handles closing */

.mobile-nav-menu {
    list-style: none;
    padding: 0;
    margin: 0 0 2rem 0;
}

.mobile-nav-item {
    margin-bottom: 0.5rem;
}

.mobile-nav-link {
    display: block;
    color: var(--white);
    text-decoration: none;
    padding: 1rem;
    border-radius: 8px;
    transition: all 0.3s ease;
    font-weight: 500;
}

.mobile-nav-link:hover {
    background-color: rgba(255, 255, 255, 0.1);
    transform: translateX(5px);
}

.mobile-language-switcher {
    display: flex;
    gap: 0.5rem;
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.mobile-lang-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: var(--white);
    padding: 0.75rem 1rem;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.9rem;
}

.mobile-lang-btn:hover {
    background-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

.mobile-lang-btn.active {
    background-color: rgba(255, 255, 255, 0.2);
    border-color: var(--white);
}

/* Hero Section with Slider */
.hero {
    padding: 0;
    height: 100vh;
    position: relative;
    overflow: hidden;
}

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

.hero-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    visibility: hidden;
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    align-items: center;
}

.hero-slide.active {
    opacity: 1;
    visibility: visible;
}

/* Slide 1: MindSpark - Logo gradient colors (correct colors) */
.hero-slide:nth-child(1) {
    background: linear-gradient(90deg, #94b9ff 0%, #e894ff 100%);
}

.hero-slide:nth-child(1)::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 1000"><defs><radialGradient id="a" cx="50%" cy="50%"><stop offset="0%" stop-color="%23ffffff" stop-opacity="0.1"/><stop offset="100%" stop-color="%23ffffff" stop-opacity="0"/></radialGradient></defs><circle cx="200" cy="200" r="300" fill="url(%23a)"/><circle cx="800" cy="300" r="200" fill="url(%23a)"/><circle cx="400" cy="700" r="250" fill="url(%23a)"/></svg>');
    opacity: 0.3;
    z-index: 1;
}

/* Slide 2: Watertime 4Me - Blue to light blue gradient */
.hero-slide:nth-child(2) {
    background: linear-gradient(135deg, #3b82f6 0%, #60a5fa 100%);
}

.hero-slide:nth-child(2)::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 1000"><defs><pattern id="water" width="60" height="60" patternUnits="userSpaceOnUse"><circle cx="30" cy="30" r="2" fill="%23ffffff" opacity="0.1"/></pattern></defs><rect width="1000" height="1000" fill="url(%23water)"/></svg>');
    opacity: 0.4;
    z-index: 1;
}

/* Slide 3: YouTube - YouTube red to white gradient */
.hero-slide:nth-child(3) {
    background: linear-gradient(135deg, #ff0000 0%, #cc0000 30%, #ff4444 60%, #ffffff 100%);
}

.hero-slide:nth-child(3)::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 1000"><defs><pattern id="youtube" width="80" height="80" patternUnits="userSpaceOnUse"><rect x="0" y="0" width="80" height="80" fill="none" stroke="%23ffffff" stroke-width="1" opacity="0.1"/></pattern></defs><rect width="1000" height="1000" fill="url(%23youtube)"/></svg>');
    opacity: 0.3;
    z-index: 1;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 70px 20px 0 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    /* gap: 4rem; */
    align-items: center;
    position: relative;
    z-index: 2;
    height: 100%;
}

.hero-content {
    animation: fadeInUp 1s ease-out;
}

/* App Title Container */
.app-title-container {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

/* App Logo Styles */
.app-logo {
    width: 80px;
    height: 80px;
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 
        0 8px 32px rgba(0, 0, 0, 0.3),
        0 4px 16px rgba(0, 0, 0, 0.2),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
}

.app-logo img {
    width: 60px;
    height: 60px;
    border-radius: 12px;
    object-fit: cover;
}

.app-logo i {
    font-size: 2.5rem;
    color: var(--white);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.youtube-logo-img {
    width: 60px;
    height: 60px;
    
    object-fit: cover;
    display: block;
}

.youtube-title-logo {
    height: 200px;
    width: auto;
    object-fit: contain;
}

.mindspark-title-logo {
    height: 200px;
    width: auto;
    object-fit: contain;
}

.watertime-title-logo {
    height: 200px;
    width: auto;
    object-fit: contain;
    padding-top: 20px;
}

/* Specific logo styles */
.youtube-logo {
    background: linear-gradient(135deg, #ff0000 0%, #ff4444 50%, #ffffff 100%);
}

.hero-title {
    font-size: 4rem;
    font-weight: 800;
    color: var(--white);
    margin: 0;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    line-height: 1.1;
}

.hero-subtitle {
    font-size: 1.5rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 2.5rem;
    line-height: 1.6;
    font-weight: 300;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    justify-content: center;
}

.hero-buttons .btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    min-width: 140px;
    justify-content: center;
}

.hero-buttons .btn i {
    font-size: 1.2rem;
}

.btn {
    display: inline-block;
    padding: 16px 32px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    border: 2px solid transparent;
    cursor: pointer;
    font-size: 1.1rem;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: var(--white);
    color: var(--primary-color);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
    color: var(--primary-dark);
}

.btn-secondary {
    background: transparent;
    color: var(--white);
    border-color: var(--white);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: var(--white);
    color: var(--primary-color);
    transform: translateY(-3px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
}

.hero-image {
    display: flex;
    justify-content: center;
    animation: fadeInRight 1s ease-out;
}

.phone-showcase {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    max-width: 600px;
    margin: 0 auto;
}

.phone-mockup {
    opacity: 0;
    transform: translateY(50px) scale(0.8);
    animation: phoneAppear 0.8s ease-out forwards;
}

.phone-mockup:nth-child(1) {
    animation-delay: 0.2s;
}

.phone-mockup:nth-child(2) {
    animation-delay: 0.4s;
}

.phone-mockup:nth-child(3) {
    animation-delay: 0.6s;
}

@keyframes phoneAppear {
    0% {
        opacity: 0;
        transform: translateY(50px) scale(0.8);
    }
    50% {
        opacity: 0.8;
        transform: translateY(-10px) scale(0.95);
    }
    100% {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.phone-mockup {
    width: 230px;
    height: 470px;
    background: linear-gradient(145deg, #1a1a1a, #2d2d2d);
    border-radius: 45px;
    padding: 8px;
    box-shadow: 
        0 20px 40px rgba(0, 0, 0, 0.4),
        0 8px 16px rgba(0, 0, 0, 0.2),
        inset 0 1px 0 rgba(255, 255, 255, 0.1),
        inset 0 -1px 0 rgba(0, 0, 0, 0.3);
    position: relative;
    border: 1px solid #333;
    transition: all 0.3s ease;
}

.phone-mockup:hover {
    transform: translateY(-5px) scale(1.02);
    box-shadow: 
        0 25px 50px rgba(0, 0, 0, 0.5),
        0 12px 24px rgba(0, 0, 0, 0.3),
        inset 0 1px 0 rgba(255, 255, 255, 0.15);
}

.phone-mockup::before {
    content: '';
    position: absolute;
    top: 4px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 6px;
    background: #000;
    border-radius: 3px;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.1);
    z-index: 10;
}

.phone-mockup::after {
    content: '';
    position: absolute;
    top: 6px;
    right: 20px;
    width: 6px;
    height: 6px;
    background: #000;
    border-radius: 50%;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.1);
    z-index: 10;
}

.phone-screen {
    width: 100%;
    height: 100%;
    background: transparent;
    border-radius: 37px;
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
    padding: 0;
    border: none;
    box-shadow: none;
}

.phone-app-image {
    width: 115%;
    height: 110%;
    object-fit: cover;
    border-radius: 37px;
    position: absolute;
    top: -10px;
    left: -6.8%;
   
    z-index: 1;
}
.phone-app-image2 {
    width: 100%;
    height: 101%;
    object-fit: cover;
    border-radius: 37px;
    position: absolute;
    top: 0px;
    z-index: 1;
}
/* App Screen Styles */
.mindspark-screen {
    background: linear-gradient(90deg, #94b9ff 0%, #e894ff 100%);
}

.watertime-screen {
    background: linear-gradient(135deg, #3b82f6 0%, #60a5fa 100%);
}

.youtube-screen {
    background: linear-gradient(135deg, #ff6b6b 0%, #ee5a24 100%);
}

.app-header {
    display: flex;
    align-items: center;
    margin-bottom: 25px;
    color: white;
    padding-bottom: 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.app-icon-small {
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 15px;
    font-size: 22px;
    box-shadow: 
        0 4px 8px rgba(0, 0, 0, 0.2),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.app-info h3 {
    font-size: 20px;
    font-weight: 700;
    margin: 0 0 6px 0;
    line-height: 1.2;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

.app-info p {
    font-size: 14px;
    opacity: 0.9;
    margin: 0;
    font-weight: 500;
}

.app-content {
    flex: 1;
    color: white;
}

/* MindSpark specific styles */
.motivation-card {
    background: rgba(255, 255, 255, 0.12);
    border-radius: 15px;
    padding: 20px;
    margin-bottom: 20px;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 
        0 4px 8px rgba(0, 0, 0, 0.2),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.motivation-card h4 {
    font-size: 18px;
    margin: 0 0 10px 0;
    font-weight: 700;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

.motivation-card p {
    font-size: 14px;
    margin: 0;
    opacity: 0.95;
    font-weight: 500;
}

.progress-bar {
    width: 100%;
    height: 4px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 2px;
    overflow: hidden;
}

.progress-fill {
    width: 75%;
    height: 100%;
    background: white;
    border-radius: 2px;
}

.timer-display {
    text-align: center;
    margin-bottom: 20px;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 15px;
    padding: 20px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.timer {
    font-size: 32px;
    font-weight: 800;
    color: white;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
    font-family: 'Courier New', monospace;
}

.timer-controls {
    text-align: center;
}

.timer-btn {
    background: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: white;
    padding: 8px 20px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.timer-btn:hover {
    background: rgba(255, 255, 255, 0.25);
    transform: translateY(-1px);
}

.stats-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
}

.stat-item {
    text-align: center;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    padding: 8px;
}

.stat-number {
    display: block;
    font-size: 14px;
    font-weight: 700;
    margin-bottom: 2px;
}

.stat-label {
    font-size: 8px;
    opacity: 0.8;
}

/* Watertime specific styles */
.water-level {
    text-align: center;
    margin-bottom: 25px;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 15px;
    padding: 20px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.water-glass {
    width: 60px;
    height: 80px;
    border: 3px solid rgba(255, 255, 255, 0.4);
    border-radius: 0 0 30px 30px;
    margin: 0 auto 15px;
    position: relative;
    overflow: hidden;
    box-shadow: 
        inset 0 2px 4px rgba(0, 0, 0, 0.2),
        0 2px 4px rgba(0, 0, 0, 0.1);
}

.water-glass::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    height: 4px;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 2px 2px 0 0;
}

.water-fill {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 60%;
    background: linear-gradient(to top, rgba(255, 255, 255, 0.8), rgba(255, 255, 255, 0.4));
    border-radius: 0 0 22px 22px;
    animation: waterWave 2s ease-in-out infinite;
}

@keyframes waterWave {
    0%, 100% { transform: scaleY(1); }
    50% { transform: scaleY(1.05); }
}

.water-amount {
    font-size: 12px;
    font-weight: 700;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

.water-buttons {
    text-align: center;
}

.water-btn {
    background: rgba(255, 255, 255, 0.2);
    border: none;
    color: white;
    padding: 6px 12px;
    border-radius: 15px;
    font-size: 9px;
    cursor: pointer;
}

.achievements {
    display: flex;
    justify-content: space-around;
    margin-top: 10px;
}

.achievement-badge {
    text-align: center;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    padding: 8px;
    flex: 1;
    margin: 0 2px;
}

.achievement-badge i {
    font-size: 12px;
    margin-bottom: 4px;
    display: block;
}

.achievement-badge span {
    font-size: 8px;
    display: block;
}

.chart-container {
    display: flex;
    align-items: end;
    justify-content: space-around;
    height: 40px;
    margin-top: 10px;
}

.chart-bar {
    width: 8px;
    background: rgba(255, 255, 255, 0.6);
    border-radius: 4px 4px 0 0;
    min-height: 4px;
}

/* YouTube specific styles */
.video-thumbnail {
    position: relative;
    background: rgba(0, 0, 0, 0.3);
    border-radius: 8px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 10px;
}

.play-button {
    width: 20px;
    height: 20px;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ff0000;
    font-size: 8px;
}

.video-title {
    position: absolute;
    bottom: 5px;
    left: 5px;
    right: 5px;
    font-size: 8px;
    text-align: center;
    background: rgba(0, 0, 0, 0.7);
    padding: 2px;
    border-radius: 4px;
}

.video-list {
    margin-top: 10px;
}

.video-item {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 6px;
    padding: 6px;
    margin-bottom: 5px;
    font-size: 9px;
    text-align: center;
}

.youtube-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    margin-top: 10px;
}

/* Large YouTube Screen Styles */
.youtube-screen-large {
    display: block;
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
}

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

.youtube-container {
    background: #1a1a1a;
    border-radius: 20px;
    padding: 20px;
    max-width: 500px;
    margin: 0 auto;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    border: 1px solid #333;
}

.youtube-header {
    display: flex;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 1px solid #333;
}

.youtube-logo {
    width: 50px;
    height: 50px;
    background: #ff0000;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 15px;
    font-size: 24px;
    color: white;
    overflow: hidden;
}

.youtube-info h3 {
    color: white;
    font-size: 18px;
    font-weight: 600;
    margin: 0 0 5px 0;
}

.youtube-info p {
    color: #aaa;
    font-size: 14px;
    margin: 0;
}

.subscribe-btn {
    margin-left: auto;
    background: #ff0000;
    color: white;
    padding: 8px 16px;
    border-radius: 20px;
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.3s ease;
}

.subscribe-btn:hover {
    background: #cc0000;
}

.youtube-content {
    color: white;
}

.video-thumbnail-large {
    position: relative;
    background: linear-gradient(135deg, #333, #555);
    border-radius: 12px;
    height: 200px;
    margin-bottom: 20px;
    overflow: hidden;
}

.video-thumbnail-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 12px;
    position: absolute;
    top: 0;
    left: 0;
}

.play-button-large {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 60px;
    height: 60px;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ff0000;
    font-size: 24px;
    transition: all 0.3s ease;
    z-index: 3;
}

.youtube-screen-large:hover .play-button-large {
    transform: translate(-50%, -50%) scale(1.1);
    background: white;
}

.video-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
    padding: 20px;
}

.video-title-large {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 8px;
}

.video-stats {
    display: flex;
    gap: 15px;
    font-size: 12px;
    color: #ccc;
}

.video-stats span {
    display: flex;
    align-items: center;
    gap: 5px;
}

.video-list-large {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.video-item-large {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
    transition: background 0.3s ease;
}

.video-item-large:hover {
    background: rgba(255, 255, 255, 0.1);
}

.video-thumb-small {
    width: 40px;
    height: 30px;
    background: #333;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ff0000;
    font-size: 16px;
    flex-shrink: 0;
}

.video-details h4 {
    font-size: 14px;
    font-weight: 500;
    margin: 0 0 4px 0;
    color: white;
}

.video-details p {
    font-size: 12px;
    color: #aaa;
    margin: 0;
}

.phone-screen::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="%23ffffff" stroke-width="0.5" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
}

.app-preview {
    color: var(--white);
    font-size: 5rem;
    animation: float 3s ease-in-out infinite;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    z-index: 1;
    position: relative;
}

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

.slider-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    border: 2px solid rgba(255, 255, 255, 0.5);
    background: transparent;
    cursor: pointer;
    transition: all 0.3s ease;
}

.slider-dot.active {
    background: var(--white);
    border-color: var(--white);
    transform: scale(1.2);
}

.slider-dot:hover {
    border-color: var(--white);
    transform: scale(1.1);
}

/* Slider Arrows */
.slider-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    border: 2px solid rgba(255, 255, 255, 0.3);
    background: rgba(255, 255, 255, 0.1);
    color: var(--white);
    font-size: 1.2rem;
    cursor: pointer;
    transition: all 0.3s ease;
    z-index: 10;
    backdrop-filter: blur(10px);
}

.slider-arrow:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.6);
    transform: translateY(-50%) scale(1.1);
}

.slider-prev {
    left: 30px;
}

.slider-next {
    right: 30px;
}

/* Apps Section */
.apps-section {
    padding: 120px 0;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    position: relative;
}

.apps-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 1000"><defs><pattern id="dots" width="40" height="40" patternUnits="userSpaceOnUse"><circle cx="20" cy="20" r="2" fill="%23667eea" opacity="0.1"/></pattern></defs><rect width="1000" height="1000" fill="url(%23dots)"/></svg>');
    opacity: 0.5;
}

.section-header {
    text-align: center;
    margin-bottom: 5rem;
    position: relative;
    z-index: 2;
}

.section-header h2 {
    font-size: 3.5rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.section-header p {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.6;
    font-weight: 300;
}

.apps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

/* Loading spinner */
.loading {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 3rem;
    grid-column: 1 / -1;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--gray-200);
    border-top: 4px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

.app-card {
    background: var(--white);
    border-radius: 24px;
    padding: 3rem;
    box-shadow: 
        0 10px 25px rgba(0, 0, 0, 0.1),
        0 4px 10px rgba(0, 0, 0, 0.05);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(10px);
}

.app-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.app-card:hover::before {
    transform: scaleX(1);
}

.app-card:hover {
    transform: translateY(-12px) scale(1.02);
    box-shadow: 
        0 25px 50px rgba(0, 0, 0, 0.15),
        0 10px 20px rgba(0, 0, 0, 0.1);
}

.app-icon {
    width: 100px;
    height: 100px;
    background: transparent;
    border-radius: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 2rem;
    color: var(--white);
    font-size: 2.5rem;
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.3);
    position: relative;
    overflow: hidden;
}

.app-logo-img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: 12px;
}
.app-logo-img2 {
    width: 80px;
    height: 80px;
    object-fit: contain;
    border-radius: 12px;
    flex-shrink: 0;
}

.app-title-logo {
    width: 100%;
    height: 100px;
    object-fit: contain;
    margin-bottom: 1rem;
    left: -10px;
}
.app-title-logo2 {
    width: 100%;
    height: 100px;
    object-fit: contain;
    margin-bottom: 0;

    left: -10px;
}

.watertime-card {
    background: linear-gradient(135deg, #3b82f6 0%, #60a5fa 100%);
    color: white;
}

.watertime-card .app-description,
.watertime-card .app-features li {
    color: rgba(255, 255, 255, 0.9);
}

.watertime-card .app-title {
    color: white;
}

/* Genel app-header-watertime - daha az specific */
.app-header-watertime {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2rem;
}

.app-header-watertime .app-icon {
    margin-bottom: 0;
    flex-shrink: 0;
}

.app-header-watertime .app-title-logo2 {
    margin-bottom: 0;
    height: 80px;
    width: auto;
    object-fit: contain;
}

/* Watertime 4Me için özel yan yana düzen - en specific */
.watertime-card .app-header-watertime {
    display: flex !important;
    align-items: center !important;
    gap: 1.5rem !important;
    margin-bottom: 2rem !important;
    flex-direction: row !important;
}

.watertime-card .app-header-watertime .app-icon {
    margin-bottom: 0 !important;
    flex-shrink: 0 !important;
    width: 80px !important;
    height: 80px !important;
    order: 1 !important;
}

.watertime-card .app-header-watertime .app-title-logo2 {
    margin-bottom: 0 !important;
    height: 80px !important;
    width: auto !important;
    object-fit: contain !important;
    flex: 1 !important;
    order: 2 !important;
}

.mindspark-card {
    background: linear-gradient(90deg, #94b9ff 0%, #e894ff 100%);
    color: white;
}

.mindspark-card .app-description,
.mindspark-card .app-features li {
    color: rgba(255, 255, 255, 0.9);
}

.mindspark-card .app-title {
    color: white;
}

.app-header-mindspark {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2rem;
}

.app-header-mindspark .app-icon {
    margin-bottom: 0;
    flex-shrink: 0;
}

.app-header-mindspark .app-title-logo2 {
    margin-bottom: 0;
    height: 80px;
    width: auto;
    object-fit: contain;
}

/* Watertime 4Me için app-header düzen */
.app-header-watertime4me {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2rem;
}

.app-header-watertime4me .app-icon {
    margin-bottom: 0;
    flex-shrink: 0;
}

.app-header-watertime4me .app-title-logo2 {
    margin-bottom: 0;
    height: 80px;
    width: auto;
    object-fit: contain;
}

/* Watertime 4Me için app-header-mindspark benzeri düzen */
.app-header-watertime4me {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2rem;
}

.app-header-watertime4me .app-icon {
    margin-bottom: 0;
    flex-shrink: 0;
}

.aapp-header-watertime4me .app-title-logo2 {
    margin-bottom: 0;
    height: 100px;
    width: 100%;
    object-fit: contain;
}

.app-icon::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: transparent;
    transform: rotate(45deg);
    transition: all 0.6s ease;
}

.app-card:hover .app-icon::before {
    animation: shine 0.6s ease;
}

.app-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1rem;
    line-height: 1.3;
}

.app-description {
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.7;
    font-size: 1.1rem;
    font-weight: 300;
}

.app-features {
    list-style: none;
    margin-bottom: 1.5rem;
}

.app-features li {
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.app-features li::before {
    content: '✓';
    color: var(--accent-color);
    font-weight: bold;
}

.app-links {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.app-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 8px 16px;
    background-color: var(--gray-100);
    color: var(--text-primary);
    text-decoration: none;
    border-radius: 8px;
    font-weight: 500;
    transition: all 0.3s ease;
}

.app-link:hover {
    background-color: var(--primary-color);
    color: var(--white);
}

/* Stats Section */
.stats-section {
    padding: 80px 0;
    background: var(--gradient-primary);
    position: relative;
    overflow: hidden;
}

.stats-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 1000"><defs><pattern id="hexagons" width="50" height="50" patternUnits="userSpaceOnUse"><polygon points="25,5 45,15 45,35 25,45 5,35 5,15" fill="none" stroke="%23ffffff" stroke-width="1" opacity="0.1"/></pattern></defs><rect width="1000" height="1000" fill="url(%23hexagons)"/></svg>');
    opacity: 0.3;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 3rem;
    position: relative;
    z-index: 2;
}

.stat-item {
    text-align: center;
    color: var(--white);
}

.stat-number {
    font-size: 4rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    background: linear-gradient(135deg, #ffffff, #e2e8f0);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 1.25rem;
    font-weight: 300;
    opacity: 0.9;
}

/* Social Media Section */
.social-section {
    padding: 120px 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    position: relative;
    overflow: hidden;
}

.social-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="75" cy="75" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="50" cy="10" r="0.5" fill="rgba(255,255,255,0.05)"/><circle cx="10" cy="60" r="0.5" fill="rgba(255,255,255,0.05)"/><circle cx="90" cy="40" r="0.5" fill="rgba(255,255,255,0.05)"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    opacity: 0.3;
}

.social-section .section-header h2 {
    color: white;
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.social-section .section-header p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.25rem;
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.6;
}

.social-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    position: relative;
    z-index: 2;
}

.social-card {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 20px;
    padding: 2rem;
    text-decoration: none;
    color: var(--white);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    gap: 1.5rem;
    position: relative;
    overflow: hidden;
}

.social-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.1), transparent);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.social-card:hover::before {
    opacity: 1;
}

.social-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.social-card.instagram:hover {
    background: linear-gradient(135deg, #E4405F, #C13584);
}

.social-card.tiktok:hover {
    background: linear-gradient(135deg, #000000, #ff0050);
}

.social-card.youtube:hover {
    background: linear-gradient(135deg, #FF0000, #FF4444);
}

.social-icon {
    width: 60px;
    height: 60px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    flex-shrink: 0;
}

.social-card.instagram .social-icon {
    background: linear-gradient(135deg, #E4405F, #C13584);
}

.social-card.tiktok .social-icon {
    background: linear-gradient(135deg, #000000, #ff0050);
}

.social-card.youtube .social-icon {
    background: linear-gradient(135deg, #FF0000, #FF4444);
}

.social-content h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.social-content p {
    font-size: 1rem;
    opacity: 0.8;
    margin-bottom: 0.5rem;
    font-weight: 300;
}

.social-followers {
    font-size: 0.9rem;
    font-weight: 600;
    opacity: 0.9;
}

/* About Section */
.about-section {
    padding: 120px 0;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    position: relative;
}

.about-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.about-text h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
}

.about-text p {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: 3rem;
    line-height: 1.7;
}

.features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 3rem;
}

.feature {
    text-align: center;
    padding: 2rem;
    background: var(--white);
    border-radius: 16px;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
}

.feature:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.feature i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.feature h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.feature p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* Contact Section */
.contact-section {
    padding: 80px 0;
    background-color: var(--white);
    color: var(--text-primary);
}

.contact-section .section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.contact-section .section-header h2 {
    color: var(--text-primary);
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.contact-section .section-header p {
    color: var(--text-secondary);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
}

.contact-content {
    max-width: 800px;
    margin: 0 auto;
}

.contact-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem;
    background: white;
    border-radius: 12px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.contact-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

.contact-item i {
    font-size: 1.5rem;
    color: var(--primary-color);
    width: 2rem;
    text-align: center;
}

.contact-item h4 {
    margin: 0 0 0.5rem 0;
    color: var(--text-primary);
    font-size: 1.1rem;
}

.contact-item p {
    margin: 0;
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* Contact Form */
.contact-form-container {
    background: var(--gray-50);
    padding: 2.5rem;
    border-radius: 20px;
    border: 1px solid var(--gray-200);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.contact-form-container h3 {
    margin-bottom: 2rem;
    color: var(--text-primary);
    text-align: center;
    font-size: 1.6rem;
    font-weight: 600;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    font-weight: 500;
    font-size: 1rem;
}

.form-group input,
.form-group textarea {
    padding: 1rem;
    border: 1px solid var(--gray-300);
    border-radius: 10px;
    background: white;
    color: var(--text-primary);
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-secondary);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.contact-form .btn {
    margin-top: 1rem;
    align-self: center;
    padding: 1rem 2rem;
    font-size: 1.1rem;
    font-weight: 600;
}

.form-disclaimer {
    font-size: 0.875rem;
    color: var(--text-light);
    text-align: center;
    margin-top: 1rem;
    padding: 0.75rem;
    background: var(--gray-50);
    border-radius: 8px;
    border: 1px solid var(--gray-200);
}

/* Responsive Design */
@media (max-width: 768px) {
    .contact-content {
        max-width: 100%;
        padding: 0 1rem;
    }
    
    .contact-info {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .contact-item {
        padding: 1rem;
    }
    
    .contact-form-container {
        padding: 2rem;
    }
    
    .form-row {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .contact-section .section-header h2 {
        font-size: 2rem;
    }
}

/* Popup Styles */
.popup {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 10000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.popup.show {
    opacity: 1;
    visibility: visible;
}

.popup-content {
    background: white;
    padding: 3rem;
    border-radius: 20px;
    text-align: center;
    max-width: 400px;
    width: 90%;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    transform: scale(0.8);
    transition: transform 0.3s ease;
}

.popup.show .popup-content {
    transform: scale(1);
}

.popup-icon {
    margin-bottom: 1.5rem;
}

.popup-icon i {
    font-size: 4rem;
    color: #10b981;
}

.popup-icon.error i {
    color: #ef4444;
}

.popup h3 {
    margin-bottom: 1rem;
    color: var(--text-primary);
    font-size: 1.5rem;
    font-weight: 600;
}

.popup p {
    margin-bottom: 2rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.popup .btn {
    padding: 1rem 2rem;
    font-size: 1.1rem;
    font-weight: 600;
}

/* Footer */
.footer {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: var(--white);
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h3,
.footer-section h4 {
    margin-bottom: 1rem;
    color: var(--white);
}

.footer-section p {
    color: var(--gray-300);
    line-height: 1.6;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section ul li a {
    color: var(--gray-300);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section ul li a:hover {
    color: var(--primary-color);
}

.footer-bottom {
    border-top: 1px solid var(--gray-300);
    padding-top: 1rem;
    text-align: center;
    color: var(--text-light);
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

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

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-20px);
    }
}

@keyframes shine {
    0% {
        transform: translateX(-100%) translateY(-100%) rotate(45deg);
    }
    100% {
        transform: translateX(100%) translateY(100%) rotate(45deg);
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    
    .mobile-menu-content {
        width: 280px;
        padding: 1.5rem;
    }
    
    .mobile-language-switcher {
        flex-direction: column;
        gap: 0.75rem;
    }
    
    .mobile-lang-btn {
        justify-content: center;
    }

    .nav-left {
        gap: 1rem;
    }

    .logo-image {
        height: 80px;
        width: auto;
    }

    .logo-text {
        font-size: 1.3rem;
    }

    .nav-menu {
        position: fixed;
        left: -100%;
        /* top: 70px; */
        flex-direction: column;
        background-color: var(--white);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: var(--shadow-md);
        padding: 2rem 0;
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-menu li {
        margin: 1rem 0;
    }

    .language-switcher {
        position: fixed;
        top: 80px;
        right: 20px;
        z-index: 1001;
        background: var(--white);
        padding: 8px;
        border-radius: 12px;
        box-shadow: var(--shadow-md);
        display: none;
        transform: none;
        border: 1px solid var(--gray-200);
    }

    .nav-menu.active ~ .language-switcher {
        display: flex;
    }

    .hero {
        height: 100vh;
    }

    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
        padding: 40px 20px 0 20px;
    }

    .slider-arrow {
        display: none;
    }

    .phone-showcase {
        grid-template-columns: 1fr;
        gap: 1rem;
        max-width: 200px;
    }

    .phone-mockup {
        width: 180px;
        height: 360px;
        margin: 0 auto;
    }

    .youtube-container {
        max-width: 350px;
        padding: 15px;
    }

    .video-thumbnail-large {
        height: 150px;
    }

    .play-button-large {
        width: 50px;
        height: 50px;
        font-size: 20px;
    }

    .app-title-container {
        gap: 1rem;
    }

    .app-logo {
        width: 60px;
        height: 60px;
    }

    .app-logo img {
        width: 45px;
        height: 45px;
    }

    .youtube-logo-img {
        width: 200px;
        height: 200px;
        border-radius: 8px;
    }

    .youtube-title-logo {
        height: 80px;
        width: auto;
    }

    .mindspark-title-logo {
        height: 80px;
        width: auto;
    }

    .watertime-title-logo {
        height: 90px;
        width: auto;
    }

    .app-logo i {
        font-size: 2rem;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-buttons {
        justify-content: center;
        flex-direction: column;
        align-items: center;
        gap: 0.8rem;
    }

    .hero-buttons .btn {
        min-width: 200px;
        width: 100%;
        max-width: 250px;
    }

    .phone-mockup {
        width: 160px;
        height: 320px;
    }

    .apps-grid {
        grid-template-columns: 1fr;
    }

    .features {
        grid-template-columns: 1fr;
    }

    .contact-item {
        flex-direction: column;
        text-align: center;
    }

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    .footer-content .logo-container{
      align-items: center;
      justify-content: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    .hero {
        padding: 55px 0 60px;
    }

    .hero-title {
        font-size: 2rem;
    }

    .section-header h2 {
        font-size: 2rem;
    }

    .app-card {
        padding: 1.5rem;
    }

    .phone-mockup {
        width: 140px;
        height: 280px;
    }

    .language-switcher {
        right: 15px;
        top: 75px;
        padding: 6px;
    }

    .lang-btn {
        padding: 4px 8px;
        font-size: 0.75rem;
        min-width: 35px;
    }

    .lang-btn .flag {
        font-size: 0.9rem;
    }

    .lang-btn .lang-text {
        font-size: 0.7rem;
    }
}

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

/* Loading animation for apps */
.loading {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 200px;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--gray-200);
    border-top: 4px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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