/* --- Root Variables --- */
:root {
    --primary-green: #2ecc71;
    --primary-black: #1a1a1a;
    --primary-red: #e74c3c;
    --white: #ffffff;
    --light-gray: #f9f9f9;
    --text-gray: #555;
    --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    --shadow: 0 10px 30px rgba(0,0,0,0.1);
}

/* --- Global Styles --- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

body {
    line-height: 1.6;
    color: var(--primary-black);
    background-color: var(--white);
    overflow-x: hidden;
}

html {
    scroll-behavior: smooth;
}

ul { list-style: none; }
a { text-decoration: none; color: inherit; transition: var(--transition); }

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.btn {
    padding: 12px 28px;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    display: inline-block;
    border: none;
    transition: var(--transition);
}

.btn-primary { background: var(--primary-green); color: white; }
.btn-primary:hover { background: #27ae60; transform: translateY(-3px); box-shadow: var(--shadow); }

.btn-secondary { background: transparent; border: 2px solid var(--primary-black); color: var(--primary-black); }
.btn-secondary:hover { background: var(--primary-black); color: white; }

/* --- Header & Navigation --- */
header {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0,0,0,0.05);
    padding: 15px 0;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -1px;
}

.logo span.f { color: var(--primary-green); }
.logo span.soft { color: var(--primary-black); }
.logo span.e { color: var(--primary-red); }

.nav-links { display: flex; gap: 30px; }
.nav-links a:hover { color: var(--primary-green); }

.menu-toggle { display: none; font-size: 1.5rem; cursor: pointer; }

/* --- Footer --- */
footer {
    background: var(--primary-black);
    color: white;
    padding: 70px 0 20px;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    margin-bottom: 50px;
}

.footer-col h4 { margin-bottom: 20px; color: var(--primary-green); }
.footer-bottom { text-align: center; padding-top: 20px; border-top: 1px solid #333; font-size: 0.9rem; }

/* --- Animations --- */
.reveal { opacity: 0; transform: translateY(30px); transition: 0.8s all ease; }
.reveal.active { opacity: 1; transform: translateY(0); }

/* --- Mobile Responsive --- */
@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 70px;
        right: -100%;
        background: white;
        flex-direction: column;
        width: 100%;
        text-align: center;
        padding: 40px;
        box-shadow: var(--shadow);
        transition: 0.4s;
    }
    .nav-links.active { right: 0; }
    .menu-toggle { display: block; }
}