@import url('https://fonts.googleapis.com/css2?family=Inter:wght@100;200;300;400;500;600;700&display=swap');

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

html {
    scroll-behavior: smooth;
    width: 100%;
    max-width: 100vw;
    overflow-x: hidden;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', sans-serif;
    background: var(--color-white);
    color: var(--color-black);
    line-height: 1.6;
    font-weight: 300;
    letter-spacing: 0.3px;
    position: relative;
    overflow-x: hidden;
    width: 100%;
    max-width: 100vw;
}

/* Device-friendly image constraints */
img {
    max-width: 100%;
    height: auto;
    display: block;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 50%, rgba(124, 58, 237, 0.12) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(6, 182, 212, 0.12) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(236, 72, 153, 0.12) 0%, transparent 50%),
        radial-gradient(circle at 20% 80%, rgba(16, 185, 129, 0.12) 0%, transparent 50%),
        linear-gradient(135deg, rgba(0, 113, 227, 0.04) 0%, rgba(124, 58, 237, 0.04) 100%);
    pointer-events: none;
    z-index: -1;
    animation: gradientShift 15s ease-in-out infinite;
}

@keyframes gradientShift {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.8; }
}

section {
    padding: 5rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-header h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 200;
    color: var(--color-black);
    margin-bottom: 1rem;
    letter-spacing: -0.3px;
    animation: fadeInScale 0.7s ease-out;
    background: linear-gradient(135deg, var(--color-black) 0%, var(--color-primary) 50%, var(--color-purple) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-header p {
    font-size: 1.1rem;
    color: var(--color-gray-600);
    max-width: 500px;
    margin: 0 auto;
}

.btn-primary {
    background: var(--color-primary);
    color: white;
    border: none;
    padding: 1rem 2rem;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-primary:hover {
    background: var(--color-primary-dark);
    transform: translateY(-2px);
}

.btn-secondary {
    background: transparent;
    color: var(--color-primary);
    border: 1.5px solid var(--color-primary);
    padding: 1rem 2rem;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-secondary:hover {
    background: var(--color-primary);
    color: white;
}