:root {
    --mint: #3EB489;
    --coral: #FF6F61;
    --blue: #0072C6;
    --light: #ffffff;
    --dark: #1a1a1a;
    --font-sans: 'Inter', sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    color: var(--dark);
    background: var(--light);
    line-height: 1.6;
}

a {
    color: var(--mint);
    text-decoration: none;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 1rem;
}

/* Header */
.site-header {
    position: sticky;
    top: 0;
    background: var(--light);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    z-index: 100;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--dark);
}

.site-nav ul {
    list-style: none;
    display: flex;
    gap: 1rem;
}

.site-nav a:hover {
    color: var(--blue);
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
}

.hamburger span {
    width: 24px;
    height: 3px;
    background: var(--dark);
}

@media (max-width: 768px) {
    .site-nav ul {
        display: none;
    }

    .hamburger {
        display: flex;
    }
}

/* Hero */
.hero {
    background:
        linear-gradient(rgba(0, 0, 0, 0.4), rgba(0, 0, 0, 0.4)),
        url('hero.jpg') center/cover no-repeat;
    color: var(--light);
    text-align: center;
    padding: 6rem 1rem;
}

.hero h2 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
    color: var(--mint);
}

.hero p {
    font-size: 1.25rem;
    margin-bottom: 1.5rem;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    font-weight: 600;
    border-radius: 4px;
    transition: opacity 0.3s;
}

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

.btn.primary:hover {
    opacity: 0.9;
}

.btn.secondary {
    background: var(--blue);
    color: var(--light);
}

.btn.secondary:hover {
    opacity: 0.9;
}

/* Sections */
.section {
    padding: 4rem 0;
}

.section h2 {
    margin-bottom: 1rem;
    color: var(--coral);
}

.resume-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.clients-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.5rem;
}

.card {
    background: var(--light);
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    padding: 1.5rem;
}

/* Contact */
.contact form {
    display: grid;
    gap: 1rem;
}

.contact label {
    display: flex;
    flex-direction: column;
    font-weight: 600;
}

.contact input,
.contact textarea {
    padding: 0.75rem;
    border: 1px solid #ccc;
    border-radius: 4px;
}

/* Footer & Back-to-Top */
.site-footer {
    padding: 2rem 0;
    text-align: center;
    background: #f8f8f8;
}

.go-top {
    position: fixed;
    bottom: 1rem;
    right: 1rem;
    background: var(--mint);
    color: var(--light);
    border: none;
    padding: 0.5rem;
    border-radius: 50%;
    cursor: pointer;
    display: none;
}

.go-top.visible {
    display: block;
}

/* Dark Mode */
@media (prefers-color-scheme: dark) {
    :root {
        --light: #1a1a1a;
        --dark: #eaeaea;
    }

    body {
        background: var(--light);
        color: var(--dark);
    }

    .site-footer {
        background: #222;
    }
}