/* ============ RESET & BASE ============ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Arial, sans-serif;
    line-height: 1.6;
    color: #1a1a2e;
    background: #f8f9fa;
    scroll-behavior: smooth;
}

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

/* ============ NAVBAR ============ */
.navbar {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 20px rgba(0,0,0,0.08);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 15px 0;
    transition: all 0.3s;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    cursor: pointer;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 30px;
}

.nav-links a {
    text-decoration: none;
    color: #1a1a2e;
    font-weight: 600;
    transition: color 0.3s;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    transition: width 0.3s;
}

.nav-links a:hover {
    color: #667eea;
}

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

/* ============ HERO SECTION ============ */
.hero {
    padding: 100px 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.05) 0%, transparent 70%);
    animation: rotate 20s linear infinite;
}

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

.hero .container {
    position: relative;
    z-index: 1;
}

.hero h1 {
    font-size: 4rem;
    font-weight: 800;
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero h1 span {
    color: #ffd700;
}

.hero p {
    font-size: 1.3rem;
    margin-bottom: 30px;
    opacity: 0.9;
}

.btn-primary {
    display: inline-block;
    padding: 15px 45px;
    background: #ffd700;
    color: #1a1a2e;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 700;
    transition: transform 0.3s, box-shadow 0.3s;
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(255, 215, 0, 0.3);
}

/* ============ APPS SECTION ============ */
.apps-section {
    padding: 80px 0;
    background: #f8f9fa;
}

.section-title {
    font-size: 2.8rem;
    text-align: center;
    margin-bottom: 10px;
}

.section-title span {
    background: linear-gradient(135deg, #667eea, #764ba2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.section-subtitle {
    text-align: center;
    color: #666;
    font-size: 1.1rem;
    margin-bottom: 50px;
}

.apps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.app-card {
    background: white;
    border-radius: 20px;
    padding: 30px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.08);
    transition: transform 0.3s, box-shadow 0.3s;
    text-align: center;
}

.app-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 60px rgba(0,0,0,0.12);
}

.app-icon {
    font-size: 4rem;
    margin-bottom: 15px;
}

.app-card h3 {
    font-size: 1.5rem;
    margin-bottom: 10px;
    color: #1a1a2e;
}

.app-card p {
    color: #666;
    margin-bottom: 15px;
}

.app-price {
    display: block;
    font-size: 2rem;
    font-weight: 800;
    color: #667eea;
    margin-bottom: 20px;
}

.btn-buy {
    width: 100%;
    padding: 14px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    border: none;
    border-radius: 12px;
    font-weight: 700;
    font-size: 1rem;
    cursor: pointer;
    transition: opacity 0.3s, transform 0.3s;
}

.btn-buy:hover {
    opacity: 0.9;
    transform: scale(1.02);
}

/* ============ ABOUT SECTION ============ */
.about-section {
    padding: 80px 0;
    background: white;
}

.about-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 50px;
    align-items: center;
    margin-top: 40px;
}

.about-text h3 {
    font-size: 1.8rem;
    color: #1a1a2e;
    margin-bottom: 20px;
}

.about-text p {
    color: #555;
    line-height: 1.8;
    margin-bottom: 15px;
}

.about-stats {
    display: flex;
    gap: 40px;
    margin-top: 30px;
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2.2rem;
    font-weight: 800;
    background: linear-gradient(135deg, #667eea, #764ba2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.stat-label {
    font-size: 0.9rem;
    color: #666;
}

.about-image {
    display: flex;
    justify-content: center;
    gap: 20px;
}

.about-emoji {
    font-size: 4.5rem;
    animation: float 3s ease-in-out infinite;
}

.about-emoji:nth-child(2) {
    animation-delay: 1s;
}

.about-emoji:nth-child(3) {
    animation-delay: 2s;
}

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

/* ============ CONTACT SECTION ============ */
.contact-section {
    padding: 80px 0;
    background: #f8f9fa;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 50px;
    margin-top: 40px;
}

.contact-info {
    background: white;
    padding: 35px;
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.08);
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 15px 0;
    border-bottom: 1px solid #f0f0f0;
}

.contact-item:last-child {
    border-bottom: none;
}

.contact-icon {
    font-size: 1.8rem;
    width: 45px;
    text-align: center;
}

.contact-item h4 {
    font-size: 0.85rem;
    color: #999;
    margin-bottom: 2px;
}

.contact-item p {
    font-size: 1rem;
    color: #1a1a2e;
    font-weight: 600;
}

.contact-form {
    background: white;
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.08);
}

.contact-form .form-group {
    margin-bottom: 20px;
}

.contact-form label {
    display: block;
    font-weight: 600;
    margin-bottom: 8px;
    color: #1a1a2e;
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 14px;
    border: 2px solid #e0e0e0;
    border-radius: 10px;
    font-size: 1rem;
    transition: border-color 0.3s;
    font-family: inherit;
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 4px rgba(102, 126, 234, 0.1);
}

.contact-form textarea {
    resize: vertical;
}

/* ============ FOOTER ============ */
.footer {
    background: #1a1a2e;
    color: white;
    padding: 60px 0 30px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 40px;
    padding-bottom: 30px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-col h4 {
    color: white;
    margin-bottom: 15px;
    font-size: 1.1rem;
}

.footer-col p {
    color: #aaa;
    line-height: 1.8;
}

.footer-col a {
    display: block;
    color: #aaa;
    text-decoration: none;
    margin-bottom: 8px;
    transition: color 0.3s;
}

.footer-col a:hover {
    color: #667eea;
}

.footer-bottom {
    padding-top: 30px;
    text-align: center;
}

.footer-bottom p {
    opacity: 0.7;
    font-size: 0.9rem;
}

/* ============ RESPONSIVE ============ */
@media (max-width: 992px) {
    .about-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .about-stats {
        justify-content: center;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .hero p {
        font-size: 1rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .nav-links {
        gap: 15px;
    }
    
    .nav-links a {
        font-size: 0.9rem;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .contact-form {
        padding: 20px;
    }
    
    .apps-grid {
        grid-template-columns: 1fr;
    }
    
    .about-stats {
        flex-direction: column;
        gap: 15px;
    }
    
    .contact-info {
        padding: 20px;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 2rem;
    }
    
    .hero {
        padding: 60px 0;
    }
    
    .btn-primary {
        padding: 12px 30px;
        font-size: 0.9rem;
    }
}