/* ==========================================================================
   CSS VARIABLES & RESET
   ========================================================================== */
:root {
    --color-bg: #0b0f19;
    --color-surface: #151b2b;
    --color-surface-hover: #1e263c;
    --color-primary: #e91e63;
    --color-primary-dark: #c2185b;
    --color-accent: #ff4081;
    --color-text: #f8fafc;
    --color-muted: #94a3b8;
    --color-border: #2a3143;
    --border-radius: 12px;
    --transition: all 0.2s ease-in-out;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.mt-2 { margin-top: 2rem; }
.center-cta { text-align: center; }

/* ==========================================================================
   TYPOGRAPHY & BUTTONS
   ========================================================================== */
h1, h2, h3, h4 {
    line-height: 1.2;
    margin-bottom: 1rem;
    font-weight: 700;
}

h1 { font-size: 2.2rem; }
h2 { font-size: 1.8rem; }

a { color: var(--color-accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: 8px;
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    text-decoration: none;
}
.btn:hover { text-decoration: none; }

.btn-primary {
    background-color: var(--color-primary);
    color: #fff;
}
.btn-primary:hover { background-color: var(--color-primary-dark); }

.btn-outline {
    background-color: transparent;
    border: 1px solid var(--color-primary);
    color: var(--color-primary);
}
.btn-outline:hover {
    background-color: var(--color-primary);
    color: #fff;
}

.btn-large {
    padding: 16px 32px;
    font-size: 1.1rem;
}
.btn-full {
    width: 100%;
    margin-top: 15px;
}

/* ==========================================================================
   HEADER & NAVIGATION
   ========================================================================== */
.site-header {
    background-color: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: #fff;
    text-transform: lowercase;
}
.logo span { color: var(--color-primary); }
.logo:hover { text-decoration: none; }

.hamburger {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 10px;
}

.hamburger .bar {
    display: block;
    width: 25px;
    height: 3px;
    margin: 5px auto;
    background-color: #fff;
    transition: var(--transition);
}

.nav-links {
    list-style: none;
    display: flex;
    align-items: center;
    gap: 20px;
}

.nav-links a {
    color: var(--color-text);
    font-weight: 500;
}
.nav-links a:hover { color: var(--color-primary); text-decoration: none; }

/* ==========================================================================
   HERO SECTION
   ========================================================================== */
.hero {
    padding: 60px 20px;
    text-align: center;
    background: linear-gradient(to bottom, var(--color-surface), var(--color-bg));
    border-bottom: 1px solid var(--color-border);
}
.hero p {
    font-size: 1.1rem;
    color: var(--color-muted);
    max-width: 600px;
    margin: 0 auto 30px auto;
}

/* ==========================================================================
   MODEL GRID
   ========================================================================== */
.models-section { padding: 60px 20px; }
.section-header { text-align: center; margin-bottom: 40px; }
.section-header p { color: var(--color-muted); }

.model-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 24px;
}

.model-card {
    background-color: var(--color-surface);
    border-radius: var(--border-radius);
    overflow: hidden;
    border: 1px solid var(--color-border);
    transition: var(--transition);
}
.model-card:hover {
    transform: translateY(-5px);
    border-color: var(--color-primary);
    box-shadow: 0 10px 20px rgba(0,0,0,0.5);
}

.model-image-wrapper {
    position: relative;
    aspect-ratio: 3/4;
    overflow: hidden;
    background-color: #222;
}
.model-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.model-badge {
    position: absolute;
    top: 10px;
    right: 10px;
    background: rgba(233, 30, 99, 0.9);
    color: #fff;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 0.8rem;
    font-weight: bold;
}

.model-info { padding: 20px; }
.model-name { margin-bottom: 5px; font-size: 1.2rem; }
.model-city {
    color: var(--color-muted);
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 5px;
    margin-bottom: 10px;
}
.model-desc { font-size: 0.95rem; color: #cbd5e1; }

/* ==========================================================================
   CITIES & SEO SECTIONS
   ========================================================================== */
.cities-section, .seo-section {
    padding: 40px 20px;
    border-top: 1px solid var(--color-border);
}

.cities-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 20px;
}
.city-column h3 { color: var(--color-primary); margin-bottom: 15px; border-bottom: 1px solid var(--color-border); padding-bottom: 10px; }
.city-column ul { list-style: none; }
.city-column li { margin-bottom: 10px; }
.city-column a { color: var(--color-text); }
.city-column a:hover { color: var(--color-accent); }

.seo-section p { color: var(--color-muted); }

/* ==========================================================================
   BANNERS
   ========================================================================== */
.ad-slot {
    width: 100%;
    max-width: 728px;
    margin: 40px auto;
    text-align: center;
}
.ad-placeholder {
    background: var(--color-surface);
    border: 1px dashed var(--color-border);
    padding: 30px;
    color: var(--color-muted);
    border-radius: 8px;
}
.ad-label { font-size: 0.8rem; text-transform: uppercase; letter-spacing: 1px; }

/* ==========================================================================
   FOOTER
   ========================================================================== */
.site-footer {
    background-color: #05070a;
    border-top: 1px solid var(--color-border);
    padding: 60px 0 20px 0;
    margin-top: 60px;
}
.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}
.footer-col h4 { color: #fff; margin-bottom: 20px; }
.footer-col p, .footer-col li { color: var(--color-muted); font-size: 0.95rem; }
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 10px; }
.age-warning {
    margin-top: 15px;
    padding: 10px;
    background: rgba(233, 30, 99, 0.1);
    border: 1px solid var(--color-primary);
    border-radius: 6px;
    color: var(--color-primary);
}
.footer-bottom {
    border-top: 1px solid var(--color-border);
    padding-top: 20px;
    text-align: center;
}
.affiliate-disclosure { font-size: 0.8rem; color: #64748b; margin-bottom: 10px; max-width: 800px; margin-left: auto; margin-right: auto;}
.copyright { font-size: 0.85rem; color: #475569; }

/* ==========================================================================
   MEDIA QUERIES (MOBILE FIRST)
   ========================================================================== */
@media (max-width: 768px) {
    .hamburger { display: block; }
    
    .hamburger.active .bar:nth-child(2) { opacity: 0; }
    .hamburger.active .bar:nth-child(1) { transform: translateY(8px) rotate(45deg); }
    .hamburger.active .bar:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

    .main-nav {
        position: fixed;
        left: -100%;
        top: 70px;
        gap: 0;
        flex-direction: column;
        background-color: var(--color-surface);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.5);
        padding: 20px 0;
    }

    .main-nav.active { left: 0; }
    
    .nav-links { flex-direction: column; width: 100%; }
    .nav-links li { margin: 15px 0; }
    
    .hero h1 { font-size: 1.8rem; }
    .btn-large { width: 100%; }
    
    .model-grid { grid-template-columns: 1fr; }
}