/* Global Styles */
:root {
    --primary-blue: #007bff;
    --primary-dark: #1a1a1a;
    --primary-white: #ffffff;
    --transition-speed: 0.3s;
}

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

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

/* Interactive Background */
.bg-animation {
    position: fixed;
    width: 100vw;
    height: 100vh;
    top: 0;
    left: 0;
    z-index: -1;
    overflow: hidden;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.blob {
    position: absolute;
    background: linear-gradient(180deg, rgba(0,123,255,0.1) 0%, rgba(0,123,255,0.05) 100%);
    border-radius: 50%;
    animation: blobFloat 20s infinite;
    filter: blur(40px);
}

.blob:nth-child(1) {
    width: 400px;
    height: 400px;
    left: -100px;
    top: -100px;
    animation-delay: 0s;
}

.blob:nth-child(2) {
    width: 300px;
    height: 300px;
    right: -50px;
    top: 30%;
    animation-delay: -7s;
}

.blob:nth-child(3) {
    width: 350px;
    height: 350px;
    left: 30%;
    bottom: -100px;
    animation-delay: -14s;
}

@keyframes blobFloat {
    0%, 100% {
        transform: translate(0, 0) rotate(0deg);
    }
    25% {
        transform: translate(50px, 50px) rotate(90deg);
    }
    50% {
        transform: translate(0, 100px) rotate(180deg);
    }
    75% {
        transform: translate(-50px, 50px) rotate(270deg);
    }
}

/* Header Styles */
header {
    height: 60px;
    background-color: var(--primary-dark);
    display: flex;
    justify-content: flex-end;
    align-items: center;
    padding: 0 20px;
}

header nav ul {
    list-style: none;
    display: flex;
    gap: 20px;
}

header nav ul li a {
    color: var(--primary-white);
    text-decoration: none;
    transition: color var(--transition-speed);
}

header nav ul li a:hover {
    color: var(--primary-blue);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    padding: 2rem;
    display: flex;
    align-items: center;
    position: relative;
    background: linear-gradient(135deg, #ffffff 0%, #f0f0f0 100%);
}

.hero-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-text h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    color: var(--primary-dark);
}

.hero-text p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    color: #666;
}

/* Buttons */
.cta-buttons {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.cta-button {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
    font-weight: 600;
    transition: transform var(--transition-speed), box-shadow var(--transition-speed);
    font-size: 0.9em;
}

.cta-button.primary {
    padding: 1.2rem 2.4rem;
    border-radius: 100px;
    background-color: var(--primary-blue);
    color: var(--primary-white);
    box-shadow: 0 4px 15px rgba(0,123,255,0.3);
}

.cta-button.secondary {
    padding: 0.8rem 1.5rem;
    border-radius: 8px;
    font-size: 0.9rem;
    background-color: var(--primary-white);
    color: var(--primary-dark);
    border: 1px solid var(--primary-dark);
}

.cta-button.primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0,123,255,0.4);
}

.cta-button.secondary:hover {
    transform: translateY(-2px);
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.download-pack {
    display: flex;
    gap: 0.75rem;
}

.download-link {
    color: #333;
    text-decoration: none;
    font-size: 0.9rem;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

/* Video Container */
.video-container {
    position: relative;
    padding-bottom: 56.25%;
    height: 0;
    overflow: hidden;
    border-radius: 12px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.1);
}

.video-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

/* Features Section */
.features {
    padding: 4rem 2rem;
    background-color: var(--primary-white);
}

.features h2 {
    text-align: center;
    margin-bottom: 3rem;
    font-size: 2.5rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.feature-card {
    padding: 2rem;
    text-align: center;
    background-color: #f8f9fa;
    border-radius: 12px;
    transition: transform var(--transition-speed);
}

.feature-card:hover {
    transform: translateY(-5px);
}

.feature-card i {
    font-size: 2.5rem;
    color: var(--primary-blue);
    margin-bottom: 1rem;
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideUp {
    from { 
        opacity: 0;
        transform: translateY(20px);
    }
    to { 
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

.fade-in {
    animation: fadeIn 1s ease-out;
}

.slide-up {
    animation: slideUp 1s ease-out;
}

.pulse {
    animation: pulse 2s infinite;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-content {
        grid-template-columns: 1fr;
    }

    .hero-text h1 {
        font-size: 2.5rem;
    }

    .download-pack {
        flex-direction: column;
    }
}