@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;600;700&display=swap');

:root {
    --sf-gold: #d4af37;
    --sf-gold-dark: #b8860b;
    --sf-black: #0a0a0a;
    --sf-white: #ffffff;
    --sf-gray-light: #f9f9f9;
    --sf-gray: #777777;
    --sf-accent: #1c1c1c;
    --sf-bengal: #4e3629;
    --sf-shadow: 0 10px 30px rgba(0,0,0,0.1);
    --sf-transition: all 0.3s ease;
}

body.sf-body {
    margin: 0;
    padding: 0;
    font-family: 'Outfit', sans-serif;
    background-color: var(--sf-white);
    color: var(--sf-black);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Container */
.sf-container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    box-sizing: border-box;
}

/* Navigation */
.sf-nav {
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--sf-white);
    border-bottom: 1px solid #eee;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.sf-nav-logo {
    font-size: 24px;
    font-weight: 700;
    color: var(--sf-black);
    text-decoration: none;
    letter-spacing: -1px;
}

.sf-nav-logo span {
    color: var(--sf-gold);
}

.sf-nav-links {
    display: flex;
    gap: 30px;
    list-style: none;
    margin: 0;
    padding: 0;
}

.sf-nav-link {
    text-decoration: none;
    color: var(--sf-black);
    font-weight: 500;
    transition: var(--sf-transition);
}

.sf-nav-link:hover {
    color: var(--sf-gold);
}

/* Typography Classes (No * used) */
.sf-h1 {
    font-size: 64px;
    font-weight: 700;
    line-height: 1.1;
    margin: 0 0 20px 0;
}

.sf-h2 {
    font-size: 42px;
    font-weight: 700;
    margin: 0 0 20px 0;
    text-align: center;
}

.sf-h3 {
    font-size: 24px;
    font-weight: 600;
    margin: 0 0 15px 0;
}

.sf-p {
    font-size: 18px;
    color: var(--sf-gray);
    margin: 0 0 20px 0;
}

.sf-text-gold {
    color: var(--sf-gold);
    text-transform: uppercase;
    font-weight: 700;
    letter-spacing: 2px;
    display: block;
    margin-bottom: 10px;
}

/* Buttons */
.sf-btn {
    display: inline-block;
    padding: 18px 40px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 16px;
    transition: var(--sf-transition);
    cursor: pointer;
    border: none;
}

.sf-btn-gold {
    background-color: var(--sf-gold);
    color: var(--sf-white);
    box-shadow: 0 4px 15px rgba(212, 175, 55, 0.3);
}

.sf-btn-gold:hover {
    background-color: var(--sf-gold-dark);
    transform: translateY(-2px);
}

.sf-btn-outline {
    border: 2px solid var(--sf-black);
    color: var(--sf-black);
}

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

/* Hero Section */
.sf-hero {
    padding: 100px 0;
    background: linear-gradient(135deg, #fdfbfb 0%, #ebedee 100%);
    overflow: hidden;
}

.sf-hero-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    align-items: center;
    gap: 60px;
}

.sf-hero-img-wrapper {
    position: relative;
}

.sf-hero-img {
    width: 100%;
    border-radius: 20px;
    box-shadow: var(--sf-shadow);
}

/* Features Section */
.sf-features {
    padding: 100px 0;
}

.sf-feature-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    margin-top: 60px;
}

.sf-feature-card {
    padding: 40px;
    background: var(--sf-white);
    border-radius: 20px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.05);
    text-align: center;
    transition: var(--sf-transition);
}

.sf-feature-card:hover {
    transform: translateY(-10px);
}

.sf-feature-icon {
    font-size: 40px;
    margin-bottom: 20px;
    display: block;
}

/* Details Section */
.sf-details {
    padding: 100px 0;
    background-color: var(--sf-accent);
    color: var(--sf-white);
}

.sf-details-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 80px;
}

.sf-details-content .sf-p {
    color: #ccc;
}

/* Table Section */
.sf-comparison-section {
    padding: 100px 0;
    background: var(--sf-gray-light);
}

.sf-table-wrapper {
    width: 100%;
    overflow-x: auto;
    margin-top: 40px;
    background: var(--sf-white);
    border-radius: 20px;
    box-shadow: var(--sf-shadow);
}

.sf-table {
    width: 100%;
    border-collapse: collapse;
    min-width: 800px;
}

.sf-th {
    padding: 25px;
    text-align: left;
    background: var(--sf-black);
    color: var(--sf-white);
    font-weight: 600;
}

.sf-td {
    padding: 25px;
    border-bottom: 1px solid #eee;
}

.sf-tr-highlight {
    background: rgba(212, 175, 55, 0.05);
}

/* Footer */
.sf-footer {
    padding: 80px 0 40px 0;
    background: var(--sf-black);
    color: var(--sf-white);
}

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

.sf-footer-title {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 25px;
    color: var(--sf-gold);
}

.sf-footer-link {
    color: #aaa;
    text-decoration: none;
    display: block;
    margin-bottom: 15px;
    transition: var(--sf-transition);
}

.sf-footer-link:hover {
    color: var(--sf-gold);
}

.sf-disclosure {
    font-size: 14px;
    color: #666;
    border-top: 1px solid #222;
    padding-top: 40px;
    text-align: center;
}

/* Responsive */
@media (max-width: 991px) {
    .sf-h1 { font-size: 38px; }
    .sf-h2 { font-size: 32px; }
    
    .sf-nav { height: auto; padding: 20px 0; flex-direction: column; gap: 15px; }
    .sf-nav-links { display: none; } /* Hamburger could be added later if needed */
    
    .sf-hero { padding: 60px 0; }
    .sf-hero-grid { 
        display: flex;
        flex-direction: column-reverse; 
        gap: 40px;
        text-align: center;
    }
    
    .sf-details-grid { 
        display: flex;
        flex-direction: column; 
        gap: 40px;
        text-align: center;
    }

    /* For sections in product.php where image is naturally second */
    .sf-hero-grid-reverse {
        display: flex;
        flex-direction: column;
    }

    .sf-feature-grid { grid-template-columns: 1fr; }
    .sf-footer-grid { grid-template-columns: 1fr; text-align: center; }
    
    .sf-details-content .sf-h2 { text-align: center; }
    .sf-details-content .sf-ul { display: inline-block; text-align: left; }
    
    .sf-hero-content { order: 2; }
    .sf-hero-img-wrapper { order: 1; }
}

@media (max-width: 767px) {
    .sf-container { padding: 0 25px; }
    .sf-h1 { font-size: 32px; }
    .sf-btn { width: 100%; box-sizing: border-box; }
}

/* Utility classes for elements as requested */
.sf-img { max-width: 100%; height: auto; display: block; border-radius: 10px; }
.sf-ul { list-style: none; margin: 0; padding: 0; }
.sf-li { margin-bottom: 10px; position: relative; padding-left: 25px; }
.sf-li::before { content: '✓'; position: absolute; left: 0; color: var(--sf-gold); font-weight: bold; }