/* ===== GLOBAL RESET & VARIABLES ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --bg: #F4F6F8;
    --card-bg: #ffffff;
    --text-main: #0A192F;
    --text-sub: #545454;
    --header-dark: #0A192F;
    --green: #00BFA6;
    --green-hover: #008f7a;
    --blue: #4A90E2;
    --hero-gradient: linear-gradient(135deg, #0A192F 0%, #00BFA6 60%, #38EF7D 100%);
    --border: rgba(0, 0, 0, 0.1);
    --winner-bg: rgba(0, 191, 166, 0.1);
}

body.dark-mode {
    --bg: #050d1a;
    --card-bg: #112240;
    --text-main: #ffffff;
    --text-sub: #bdc1c6;
    --border: rgba(255, 255, 255, 0.1);
}

body {
    font-family: 'Outfit', sans-serif;
    background-color: var(--bg);
    color: var(--text-main);
    line-height: 1.6;
    transition: 0.3s ease;
}

/* ===== HEADER & NAVIGATION ===== */
header {
    background: var(--header-dark);
    padding: 15px 5%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 1000;
}

header .logo { max-height: 50px; }

.header-nav {
    display: flex;
    gap: 10px;
    align-items: center;
}

.header-nav a {
    color: #fff;
    text-decoration: none;
    font-weight: 600;
    font-size: 15px;
    padding: 8px 15px;
    transition: 0.3s;
}

.header-nav a.active, .header-nav a:hover { color: var(--green); }

/* --- FIX: Hide hamburger on desktop --- */
.menu-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 5px;
}

.bar {
    display: block;
    width: 25px;
    height: 3px;
    background-color: white;
    transition: 0.3s;
    border-radius: 2px;
}

.dark-mode-toggle {
    background: var(--green);
    color: white;
    border: none;
    padding: 8px 18px;
    border-radius: 25px;
    cursor: pointer;
    font-weight: 700;
    font-size: 13px;
    margin-left: 10px;
}

/* ===== HERO SECTION ===== */
.finance-hero {
    background: var(--hero-gradient);
    color: white;
    text-align: center;
    padding: 80px 20px;
}

.finance-hero h1 { font-size: 2.8rem; font-weight: 800; margin-bottom: 15px; }
.finance-hero p { font-size: 1.15rem; max-width: 700px; margin: 0 auto; opacity: 0.9; }

/* ===== TOOL CONTAINER ===== */
.finance-container {
    max-width: 1000px;
    margin: 40px auto;
    padding: 0 20px;
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.tool-card {
    background: var(--card-bg);
    border-radius: 20px;
    padding: 40px;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.05);
    border: 1px solid var(--border);
}

.tool-card h2 { margin-bottom: 10px; font-weight: 800; }

/* ===== INPUT GRID ===== */
.comparison-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    margin: 30px 0;
}

.loan-section {
    padding: 25px;
    border-radius: 15px;
    border: 2px solid var(--border);
    background: rgba(0, 0, 0, 0.02);
}

body.dark-mode .loan-section { background: rgba(255, 255, 255, 0.03); }

.loan-section h3 { font-weight: 800; margin-bottom: 20px; text-align: center; }
.loan-a h3 { color: var(--blue); }
.loan-b h3 { color: var(--green); }

.input-group { margin-bottom: 20px; text-align: left; }
.input-group label {
    display: block;
    font-weight: 700;
    font-size: 0.85rem;
    color: var(--text-sub);
    text-transform: uppercase;
    margin-bottom: 8px;
}

.loan-input {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid var(--border);
    border-radius: 10px;
    font-family: 'Outfit', sans-serif;
    font-weight: 600;
    background: var(--bg);
    color: var(--text-main);
    outline: none;
}

.loan-input:focus { border-color: var(--green); }

/* ===== ACTION BUTTONS ===== */
.calculate-btn {
    width: 100%;
    background: var(--green);
    color: white;
    border: none;
    padding: 20px;
    border-radius: 12px;
    font-weight: 800;
    font-size: 1.2rem;
    cursor: pointer;
    text-transform: uppercase;
    transition: 0.3s;
}

.calculate-btn:hover { background: var(--green-hover); transform: translateY(-2px); }

/* ===== RESULTS STYLING ===== */
.results-section { margin-top: 50px; border-top: 2px solid var(--border); padding-top: 30px; }

.results-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 25px;
    margin: 25px 0;
}

.result-card {
    padding: 25px;
    border-radius: 15px;
    border: 2px solid var(--border);
    transition: 0.3s;
}

.result-card h4 { margin-bottom: 15px; font-weight: 700; }

/* Logic for the JS 'winner' class */
.result-card.winner {
    background: var(--winner-bg);
    border-color: var(--green);
    box-shadow: 0 10px 20px rgba(0, 191, 166, 0.1);
}

.result-item {
    display: flex;
    justify-content: space-between;
    padding: 12px 0;
    border-bottom: 1px solid var(--border);
}

.result-item .label { font-weight: 600; color: var(--text-sub); }
.result-item .value { font-weight: 800; color: var(--green); }

.recommendation {
    background: var(--winner-bg);
    color: var(--text-main);
    padding: 20px;
    border-radius: 12px;
    border-left: 5px solid var(--green);
    text-align: center;
    font-weight: 700;
    margin: 25px 0;
}

.download-btn {
    width: 100%;
    background: transparent;
    border: 2px solid var(--green);
    color: var(--green);
    padding: 15px;
    border-radius: 10px;
    font-weight: 700;
    cursor: pointer;
    transition: 0.3s;
}

.download-btn:hover { background: var(--green); color: #fff; }

/* ===== INFO CARDS & ADS ===== */
.sponsor-slot {
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0,0,0,0.03);
    border-radius: 12px;
}

.info-card {
    background: var(--card-bg);
    padding: 40px;
    border-radius: 20px;
    border: 1px solid var(--border);
    text-align: left;
}

.info-card h2 { color: var(--green); font-weight: 800; margin-bottom: 20px; }

.faq-item { margin-top: 25px; }
.faq-item strong { color: var(--green); display: block; margin-bottom: 5px; }

/* ===== FOOTER ===== */
footer {
    text-align: center;
    padding: 40px 20px;
    background: var(--header-dark);
    color: white;
    margin-top: 60px;
}

footer a { color: var(--green); text-decoration: none; margin: 0 5px; }
footer a:hover { text-decoration: underline; }

/* ===== MOBILE RESPONSIVE ===== */
@media (max-width: 850px) {
    /* --- FIX: Show hamburger on mobile --- */
    .menu-toggle {
        display: flex;
    }

    .header-nav {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 70px;
        left: 0;
        width: 100%;
        background: var(--header-dark);
        padding: 20px;
        text-align: center;
        z-index: 999;
    }

    /* Used if JS toggles an 'active' class on the nav */
    .header-nav.active {
        display: flex;
    }

    .comparison-grid, .results-grid { grid-template-columns: 1fr; }
    .finance-hero h1 { font-size: 2rem; }
    .tool-card { padding: 25px; }
}