:root {
    --primary-color: #0a0a0a;
    --secondary-color: #f4f4f4;
    --accent-color: #a68a64;
    --text-color: #1a1a1a;
    --text-light: #666666;
    --white: #ffffff;
    --black: #000000;
    --transition-smooth: all 0.6s cubic-bezier(0.16, 1, 0.3, 1);
    --container-width: 1440px;
    --header-height: 90px;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    background-color: var(--white);
    color: var(--text-color);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    line-height: 1.1;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition-smooth);
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    display: block;
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 40px;
}

section {
    padding: 120px 0;
}

.section-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    margin-bottom: 40px;
}

.dark-section {
    background-color: var(--primary-color);
    color: var(--white);
}

.btn {
    display: inline-block;
    padding: 18px 40px;
    text-transform: uppercase;
    font-weight: 600;
    font-size: 14px;
    letter-spacing: 0.1em;
    border: 1px solid var(--primary-color);
    cursor: pointer;
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
    background: transparent;
}

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

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

.btn-outline-white {
    border-color: var(--white);
    color: var(--white);
}

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

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: var(--primary-color);
}

@media (max-width: 768px) {
    section {
        padding: 80px 0;
    }
    .container {
        padding: 0 20px;
    }
}