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

html {
    scroll-behavior: smooth;
    font-size: 16px;
    zoom: 0.9; 
}

body {
    font-family: var(--font-primary);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    transition: background-color 0.3s ease, color 0.3s ease;
    padding-top: 70px; 
}

.container {
    max-width: 1600px; 
    margin: 0 auto;
    padding: 0 4rem; 
    width: 100%; 
}

@media (min-width: 1920px) {
    .container {
        max-width: 1800px; 
        padding: 0 6rem;
    }
}

.grid-background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(255, 107, 53, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 107, 53, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    pointer-events: none;
    z-index: 0;
    opacity: 0.5;
}

.bg-animation {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: 0;
    pointer-events: none;
}

.shape {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.15;
    animation: float 20s ease-in-out infinite;
}

.shape-1 {
    width: 500px;
    height: 500px;
    background: var(--primary-color);
    top: 10%;
    left: -10%;
    animation-delay: 0s;
}

.shape-2 {
    width: 400px;
    height: 400px;
    background: var(--secondary-color);
    top: 50%;
    right: -10%;
    animation-delay: 5s;
}

.shape-3 {
    width: 350px;
    height: 350px;
    background: var(--primary-light);
    bottom: 10%;
    left: 30%;
    animation-delay: 10s;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    33% { transform: translate(30px, -30px) rotate(120deg); }
    66% { transform: translate(-20px, 20px) rotate(240deg); }
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-lg);
    font-weight: 600;
    text-decoration: none;
    transition: all var(--transition-base);
    cursor: pointer;
    border: none;
    font-size: var(--font-size-base);
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: var(--shadow-orange);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 35px rgba(255, 107, 53, 0.4);
}

.btn-secondary {
    background: var(--bg-secondary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: var(--bg-tertiary);
    transform: translateY(-2px);
}

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

.btn-white:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.btn-large {
    padding: 1rem 2rem;
    font-size: var(--font-size-lg);
}

section {
    position: relative;
    z-index: 1;
    padding: 5rem 0;
}

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

.section-title {
    font-size: var(--font-size-4xl);
    font-weight: 800;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-description {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

.effect-line {
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--primary-color), transparent);
    margin: 4rem 0;
    position: relative;
}

.effect-line-icon {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: var(--bg-primary);
    padding: 1rem;
    border-radius: 50%;
    color: var(--primary-color);
    font-size: 1.5rem;
}

@media (max-width: 1024px) {
    html {
        font-size: 15px;
    }

    .container {
        padding: 0 1.5rem;
    }

    section {
        padding: 4rem 0;
    }

    .section-title {
        font-size: var(--font-size-3xl);
    }

    .section-description {
        font-size: var(--font-size-base);
    }
}

@media (max-width: 768px) {
    html {
        font-size: 14px;
        scroll-padding-top: 90px;
    }

    .container {
        padding: 0 1rem;
    }

    section {
        padding: 3rem 0;
    }

    .section-header {
        margin-bottom: 2rem;
    }

    .section-title {
        font-size: var(--font-size-2xl);
    }

    .section-description {
        font-size: var(--font-size-sm);
    }

    .btn {
        padding: 0.625rem 1.25rem;
        font-size: var(--font-size-sm);
    }

    .btn-large {
        padding: 0.875rem 1.75rem;
        font-size: var(--font-size-base);
    }

    .effect-line {
        margin: 3rem 0;
    }

    .effect-line-icon {
        padding: 0.75rem;
        font-size: 1.25rem;
    }

    .shape {
        filter: blur(60px);
        opacity: 0.1;
    }

    .shape-1 {
        width: 300px;
        height: 300px;
    }

    .shape-2 {
        width: 250px;
        height: 250px;
    }

    .shape-3 {
        width: 200px;
        height: 200px;
    }
}

@media (max-width: 480px) {
    html {
        font-size: 13px;
    }

    .container {
        padding: 0 0.75rem;
    }

    .btn {
        width: 100%;
        justify-content: center;
    }

    .section-title {
        font-size: var(--font-size-xl);
    }
}