/* --- LITE CORE SETTINGS & VARIABLES --- */
:root {
    --bg-main: #ffffff;
    --bg-lite: #f8fafc;        /* Very light grey-blue */
    --primary-blue: #0ea5e9;   /* Bright Sky Blue */
    --text-dark: #0f172a;      /* Deep Slate */
    --text-dim: #475569;       /* Muted Slate */
    --white: #ffffff;
    --border-color: #e2e8f0;   
    --shadow-sm: 0 1px 3px 0 rgb(0 0 0 / 0.1);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1);
}

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

body {
    background-color: var(--bg-main);
    color: var(--text-dim);
    font-family: 'Inter', 'Segoe UI', Tahoma, sans-serif;
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* --- TOP BAR & HEADER --- */
.top-bar {
    background: var(--bg-lite);
    padding: 10px 0;
    font-size: 0.8rem;
    color: var(--text-dim);
    border-bottom: 1px solid var(--border-color);
}

.top-bar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.main-header {
    background: var(--white);
    padding: 25px 0;
    border-bottom: 2px solid var(--primary-blue);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow-sm);
}

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

.logo-link {
    text-decoration: none;
    color: inherit;
}

.logo-area h1 {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--text-dark);
    margin: 0;
}

.logo-area h1 span {
    color: var(--primary-blue);
}

.tagline {
    font-size: 0.75rem;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 2px;
}

/* --- NAVIGATION --- */
.main-nav ul {
    display: flex;
    list-style: none;
    gap: 35px;
}

.main-nav a {
    color: var(--text-dark);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.2s;
}

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

.btn-alt {
    background: var(--primary-blue);
    color: var(--white) !important;
    padding: 10px 22px;
    border-radius: 8px;
    transition: background 0.3s;
}

.btn-alt:hover {
    background: #0284c7;
}

/* --- PORTFOLIO & GRID --- */
.section-title {
    color: var(--text-dark);
    border-left: 5px solid var(--primary-blue);
    padding-left: 20px;
    margin: 60px 0 40px 0;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    font-size: 1.1rem;
    font-weight: 700;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 40px;
    margin-bottom: 80px;
}

.card {
    background: var(--white);
    padding: 40px;
    border-radius: 16px;
    border: 1px solid var(--border-color);
    text-align: center;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: var(--shadow-sm);
}

.card:hover {
    transform: translateY(-8px);
    border-color: var(--primary-blue);
    box-shadow: var(--shadow-md);
}

.card-header {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
    margin-bottom: 25px;
}

.card h4 {
    font-size: 1.6rem;
    color: var(--text-dark);
}

.favicon {
    width: 150px;
    height: 150px;
    object-fit: contain;
    border-radius: 12px;
    background: #fff;
    padding: 10px;
    border: 1px solid var(--border-color);
}

.view-link {
    display: inline-block;
    color: var(--primary-blue);
    text-decoration: none;
    font-weight: 700;
    font-size: 0.9rem;
    text-transform: uppercase;
}

/* --- CALCULATOR SECTION --- */
.mini-calc-section {
    background: var(--bg-lite);
    padding: 60px 40px;
    border-radius: 24px;
    border: 1px solid var(--border-color);
    margin-bottom: 100px;
}

.calc-box {
    max-width: 500px;
    margin: 30px auto;
}

.calc-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--white);
    padding: 15px 25px;
    margin-bottom: 10px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

.calc-row input {
    background: var(--bg-lite);
    border: 1px solid var(--border-color);
    padding: 8px;
    width: 100px;
    text-align: center;
    border-radius: 6px;
    font-weight: bold;
}

#gold-result, #silver-result {
    font-weight: 800;
    color: var(--primary-blue);
}

.full-calc-btn {
    display: block;
    margin-top: 25px;
    color: var(--primary-blue);
    text-decoration: none;
    font-weight: bold;
    text-transform: uppercase;
}

/* --- MOBILE & HAMBURGER --- */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    background: none;
    border: none;
}

.menu-toggle span {
    display: block;
    width: 25px;
    height: 3px;
    background-color: var(--text-dark);
    transition: 0.3s;
}

@media (max-width: 768px) {
    .menu-toggle { display: flex; }
    .main-nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: var(--white);
        border-bottom: 1px solid var(--border-color);
    }
    .main-nav.active { display: block; }
    .main-nav ul {
        flex-direction: column;
        padding: 20px;
        gap: 15px;
        text-align: center;
    }
}

/* --- LIGHT THEME FOOTER --- */
.main-footer {
    background: var(--bg-lite);
    color: var(--text-dim);
    padding: 80px 0 0 0;
    border-top: 1px solid var(--border-color);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 60px;
    padding-bottom: 60px;
}

.footer-col h5 {
    color: var(--text-dark);
    font-size: 1.5rem;
    margin-bottom: 20px;
}

.footer-col h5 span { color: var(--primary-blue); }

.footer-col h6 {
    color: var(--text-dark);
    text-transform: uppercase;
    font-size: 0.9rem;
    margin-bottom: 20px;
}

.footer-links { list-style: none; }
.footer-links li { margin-bottom: 12px; }
.footer-links a { color: var(--text-dim); text-decoration: none; }
.footer-links a:hover { color: var(--primary-blue); }

.footer-bottom {
    background: var(--white);
    padding: 30px 0;
    text-align: center;
    border-top: 1px solid var(--border-color);
}

.location-tag {
    color: var(--primary-blue);
    font-style: italic;
    margin-top: 8px;
}