/* ============================================
   BING BEAUTY - Luxury Beauty Website
   Premium CSS Stylesheet
   ============================================ */

/* CSS Variables */
:root {
    --color-primary: #D4AF37;
    --color-primary-dark: #B8941F;
    --color-primary-light: #E8C968;
    --color-dark: #1a1a2e;
    --color-dark-soft: #16213e;
    --color-bg: #faf9f6;
    --color-card: #ffffff;
    --color-text: #2d2d3a;
    --color-text-light: #6b6b7b;
    --color-border: #e8e8ee;
    --color-accent: #e8c968;
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
    --shadow-md: 0 4px 20px rgba(0,0,0,0.08);
    --shadow-lg: 0 10px 40px rgba(0,0,0,0.12);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --radius: 12px;
    --radius-sm: 8px;
    --max-width: 1200px;
}

/* Reset */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
    font-family: 'Poppins', -apple-system, BlinkMacSystemFont, sans-serif;
    color: var(--color-text);
    background: var(--color-bg);
    line-height: 1.7;
    font-size: 16px;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Playfair Display', Georgia, serif;
    color: var(--color-dark);
    line-height: 1.3;
    font-weight: 700;
}

a { color: var(--color-primary-dark); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--color-primary); }
img { max-width: 100%; height: auto; display: block; }

.container { max-width: var(--max-width); margin: 0 auto; padding: 0 20px; }

/* ===== NAVBAR ===== */
.navbar {
    position: fixed; top: 0; left: 0; right: 0;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm); z-index: 1000;
    padding: 16px 0; transition: var(--transition);
}
.navbar .container { display: flex; align-items: center; justify-content: space-between; }
.nav-logo { display: flex; align-items: center; gap: 10px; font-family: 'Playfair Display', serif; font-size: 24px; font-weight: 900; color: var(--color-dark); }
.nav-logo span { color: var(--color-primary); }
.nav-logo img { width: 36px; height: 36px; border-radius: 50%; object-fit: cover; }
.nav-links { display: flex; align-items: center; gap: 32px; list-style: none; }
.nav-links a { color: var(--color-text); font-weight: 500; font-size: 15px; position: relative; padding: 4px 0; }
.nav-links a::after { content: ''; position: absolute; bottom: 0; left: 0; width: 0; height: 2px; background: var(--color-primary); transition: width 0.3s ease; }
.nav-links a:hover::after, .nav-links a.active::after { width: 100%; }
.nav-toggle { display: none; flex-direction: column; gap: 5px; cursor: pointer; background: none; border: none; padding: 4px; }
.nav-toggle span { width: 24px; height: 2px; background: var(--color-dark); transition: var(--transition); }

/* ===== HERO ===== */
.hero { position: relative; min-height: 90vh; display: flex; align-items: center; justify-content: center; text-align: center; overflow: hidden; margin-top: 68px; }
.hero::before { content: ''; position: absolute; top: 0; left: 0; right: 0; bottom: 0; background: linear-gradient(135deg, rgba(26,26,46,0.7), rgba(212,175,55,0.3)); z-index: 1; }
.hero-bg { position: absolute; top: 0; left: 0; right: 0; bottom: 0; object-fit: cover; width: 100%; height: 100%; z-index: 0; }
.hero-content { position: relative; z-index: 2; max-width: 800px; padding: 40px 20px; color: #fff; }
.hero-title { font-size: clamp(2.5rem, 6vw, 4.5rem); color: #fff; margin-bottom: 20px; letter-spacing: -1px; animation: fadeInUp 0.8s ease; }
.hero-title span { color: var(--color-accent); font-style: italic; }
.hero-subtitle { font-size: clamp(1rem, 2vw, 1.3rem); color: rgba(255,255,255,0.9); margin-bottom: 32px; font-weight: 300; animation: fadeInUp 0.8s ease 0.2s both; }
.hero-btn { display: inline-block; padding: 14px 40px; background: var(--color-primary); color: #fff; border-radius: 50px; font-weight: 600; font-size: 15px; letter-spacing: 1px; text-transform: uppercase; border: 2px solid var(--color-primary); transition: var(--transition); animation: fadeInUp 0.8s ease 0.4s both; }
.hero-btn:hover { background: transparent; color: var(--color-accent); transform: translateY(-2px); box-shadow: 0 8px 25px rgba(212,175,55,0.4); }

/* ===== SECTIONS ===== */
.section { padding: 80px 0; }
.section-header { text-align: center; margin-bottom: 50px; }
.section-title { font-size: clamp(2rem, 4vw, 2.8rem); margin-bottom: 12px; position: relative; display: inline-block; }
.section-title::after { content: ''; display: block; width: 60px; height: 3px; background: var(--color-primary); margin: 12px auto 0; border-radius: 2px; }
.section-subtitle { color: var(--color-text-light); font-size: 1.1rem; max-width: 600px; margin: 0 auto; font-weight: 300; }

/* ===== CATEGORY GRID ===== */
.category-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 24px; }
.category-card { position: relative; border-radius: var(--radius); overflow: hidden; aspect-ratio: 1; cursor: pointer; box-shadow: var(--shadow-md); transition: var(--transition); }
.category-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); }
.category-card img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.category-card:hover img { transform: scale(1.1); }
.category-card-overlay { position: absolute; bottom: 0; left: 0; right: 0; padding: 24px 20px; background: linear-gradient(to top, rgba(26,26,46,0.85), transparent); color: #fff; }
.category-card-overlay h3 { color: #fff; font-size: 1.4rem; margin: 0; }
.category-card-overlay p { font-size: 0.85rem; color: rgba(255,255,255,0.8); margin-top: 4px; }

/* ===== ARTICLE GRID ===== */
.article-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 30px; }
.article-card { background: var(--color-card); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-sm); transition: var(--transition); display: flex; flex-direction: column; }
.article-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.article-card-image { width: 100%; height: 220px; overflow: hidden; position: relative; }
.article-card-image img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.article-card:hover .article-card-image img { transform: scale(1.08); }
.article-card-category { position: absolute; top: 12px; left: 12px; background: var(--color-primary); color: #fff; padding: 4px 14px; border-radius: 20px; font-size: 0.75rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.5px; }
.article-card-content { padding: 24px; flex: 1; display: flex; flex-direction: column; }
.article-card-title { font-size: 1.3rem; margin-bottom: 10px; line-height: 1.4; }
.article-card-title a { color: var(--color-dark); }
.article-card-title a:hover { color: var(--color-primary-dark); }
.article-card-excerpt { color: var(--color-text-light); font-size: 0.95rem; margin-bottom: 16px; flex: 1; }
.article-card-meta { display: flex; align-items: center; justify-content: space-between; font-size: 0.85rem; color: var(--color-text-light); border-top: 1px solid var(--color-border); padding-top: 14px; }
.read-more { color: var(--color-primary-dark); font-weight: 600; font-size: 0.9rem; }
.read-more:hover { color: var(--color-primary); }

/* ===== BUTTONS ===== */
.btn { display: inline-block; padding: 12px 32px; border-radius: 50px; font-weight: 600; font-size: 14px; letter-spacing: 0.5px; text-transform: uppercase; transition: var(--transition); cursor: pointer; border: 2px solid transparent; }
.btn-primary { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }
.btn-primary:hover { background: transparent; color: var(--color-primary-dark); transform: translateY(-2px); }
.btn-outline { background: transparent; color: var(--color-primary-dark); border-color: var(--color-primary); }
.btn-outline:hover { background: var(--color-primary); color: #fff; }

/* ===== ARTICLE PAGE ===== */
.article-page { padding-top: 120px; padding-bottom: 60px; max-width: 800px; margin: 0 auto; padding-left: 20px; padding-right: 20px; }
.article-header { text-align: center; margin-bottom: 40px; }
.article-header .article-category { display: inline-block; background: var(--color-primary); color: #fff; padding: 6px 18px; border-radius: 20px; font-size: 0.8rem; font-weight: 600; text-transform: uppercase; letter-spacing: 1px; margin-bottom: 20px; }
.article-header h1 { font-size: clamp(2rem, 5vw, 3rem); margin-bottom: 16px; line-height: 1.2; }
.article-meta { color: var(--color-text-light); font-size: 0.95rem; display: flex; align-items: center; justify-content: center; gap: 16px; flex-wrap: wrap; }
.article-meta span { display: flex; align-items: center; gap: 6px; }
.article-hero-image { width: 100%; height: 450px; object-fit: cover; border-radius: var(--radius); margin-bottom: 40px; box-shadow: var(--shadow-md); }
.article-content { font-size: 1.05rem; line-height: 1.9; color: var(--color-text); }
.article-content h2 { font-size: 1.8rem; margin-top: 40px; margin-bottom: 16px; color: var(--color-dark); }
.article-content h3 { font-size: 1.4rem; margin-top: 28px; margin-bottom: 12px; }
.article-content p { margin-bottom: 20px; }
.article-content ul, .article-content ol { margin-bottom: 20px; padding-left: 24px; }
.article-content li { margin-bottom: 10px; }
.article-content blockquote { border-left: 4px solid var(--color-primary); padding: 16px 24px; margin: 24px 0; background: var(--color-bg); border-radius: 0 var(--radius-sm) var(--radius-sm) 0; font-style: italic; color: var(--color-dark); }
.article-content img { border-radius: var(--radius-sm); margin: 24px 0; box-shadow: var(--shadow-sm); }
.article-content strong { color: var(--color-dark); font-weight: 600; }
.article-content a { color: var(--color-primary-dark); text-decoration: underline; }
.article-share { margin-top: 40px; padding-top: 30px; border-top: 1px solid var(--color-border); display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 16px; }
.article-share .share-label { font-weight: 600; color: var(--color-dark); }
.article-share .share-links { display: flex; gap: 12px; }
.article-share .share-links a { width: 40px; height: 40px; border-radius: 50%; background: var(--color-bg); display: flex; align-items: center; justify-content: center; color: var(--color-text); transition: var(--transition); }
.article-share .share-links a:hover { background: var(--color-primary); color: #fff; transform: translateY(-2px); }
.article-nav { display: flex; justify-content: space-between; margin-top: 40px; gap: 20px; flex-wrap: wrap; }
.article-nav a { padding: 14px 24px; background: var(--color-card); border: 1px solid var(--color-border); border-radius: var(--radius-sm); font-weight: 500; font-size: 0.9rem; max-width: 48%; }
.article-nav a:hover { border-color: var(--color-primary); color: var(--color-primary-dark); }

/* ===== PAGE HEADER ===== */
.page-header { padding: 140px 0 60px; text-align: center; background: linear-gradient(135deg, var(--color-dark), var(--color-dark-soft)); color: #fff; }
.page-header h1 { color: #fff; font-size: clamp(2rem, 5vw, 3.5rem); margin-bottom: 12px; }
.page-header h1::after { content: ''; display: block; width: 60px; height: 3px; background: var(--color-primary); margin: 16px auto 0; border-radius: 2px; }
.page-header p { color: rgba(255,255,255,0.85); font-size: 1.1rem; max-width: 600px; margin: 12px auto 0; font-weight: 300; }

/* ===== ABOUT ===== */
.about-section { padding: 60px 0; }
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; align-items: center; }
.about-image img { border-radius: var(--radius); box-shadow: var(--shadow-md); width: 100%; }
.about-text h2 { font-size: 2rem; margin-bottom: 20px; }
.about-text p { margin-bottom: 16px; color: var(--color-text-light); line-height: 1.8; }
.about-values { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 24px; margin-top: 40px; }
.value-card { text-align: center; padding: 30px 20px; background: var(--color-card); border-radius: var(--radius); box-shadow: var(--shadow-sm); }
.value-card .value-icon { width: 60px; height: 60px; margin: 0 auto 16px; border-radius: 50%; background: var(--color-primary); display: flex; align-items: center; justify-content: center; font-size: 24px; color: #fff; }
.value-card h3 { font-size: 1.2rem; margin-bottom: 8px; }
.value-card p { font-size: 0.9rem; color: var(--color-text-light); }

/* ===== CONTACT ===== */
.contact-section { padding: 60px 0; }
.contact-grid { display: grid; grid-template-columns: 1fr 1.5fr; gap: 50px; }
.contact-info h2 { font-size: 1.8rem; margin-bottom: 20px; }
.contact-info p { color: var(--color-text-light); margin-bottom: 24px; }
.contact-detail { display: flex; align-items: center; gap: 12px; margin-bottom: 20px; }
.contact-detail .icon { width: 44px; height: 44px; border-radius: 50%; background: var(--color-primary); display: flex; align-items: center; justify-content: center; color: #fff; flex-shrink: 0; }
.contact-detail .info label { font-size: 0.8rem; color: var(--color-text-light); display: block; text-transform: uppercase; letter-spacing: 0.5px; }
.contact-detail .info span { font-weight: 600; color: var(--color-dark); }
.contact-form { background: var(--color-card); padding: 40px; border-radius: var(--radius); box-shadow: var(--shadow-md); }
.form-group { margin-bottom: 20px; }
.form-group label { display: block; margin-bottom: 8px; font-weight: 500; font-size: 0.9rem; color: var(--color-dark); }
.form-group input, .form-group textarea { width: 100%; padding: 12px 16px; border: 1px solid var(--color-border); border-radius: var(--radius-sm); font-family: inherit; font-size: 1rem; transition: var(--transition); background: var(--color-bg); }
.form-group input:focus, .form-group textarea:focus { outline: none; border-color: var(--color-primary); box-shadow: 0 0 0 3px rgba(212,175,55,0.15); background: #fff; }
.form-group textarea { min-height: 150px; resize: vertical; }

/* ===== LEGAL ===== */
.legal-page { max-width: 800px; margin: 0 auto; padding: 140px 20px 60px; }
.legal-page h1 { font-size: 2.5rem; margin-bottom: 20px; }
.legal-page .last-updated { color: var(--color-text-light); font-size: 0.9rem; margin-bottom: 40px; display: block; }
.legal-page h2 { font-size: 1.5rem; margin-top: 36px; margin-bottom: 14px; }
.legal-page h3 { font-size: 1.2rem; margin-top: 24px; margin-bottom: 10px; }
.legal-page p { margin-bottom: 16px; line-height: 1.8; }
.legal-page ul, .legal-page ol { padding-left: 24px; margin-bottom: 16px; }
.legal-page li { margin-bottom: 10px; }
.legal-page a { color: var(--color-primary-dark); }

/* ===== FOOTER ===== */
.footer { background: var(--color-dark); color: rgba(255,255,255,0.7); padding: 60px 0 20px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }
.footer-brand h3 { color: #fff; font-size: 1.5rem; margin-bottom: 16px; }
.footer-brand h3 span { color: var(--color-primary); }
.footer-brand p { font-size: 0.9rem; line-height: 1.7; margin-bottom: 20px; }
.footer-brand img { width: 50px; height: 50px; border-radius: 50%; margin-bottom: 16px; }
.footer-col h4 { color: #fff; font-size: 1.1rem; margin-bottom: 18px; }
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul a { color: rgba(255,255,255,0.7); font-size: 0.9rem; }
.footer-col ul a:hover { color: var(--color-primary); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); padding-top: 20px; text-align: center; font-size: 0.85rem; }
.footer-bottom a { color: var(--color-primary); }

/* ===== NEWSLETTER ===== */
.newsletter { background: linear-gradient(135deg, var(--color-dark), var(--color-dark-soft)); padding: 60px 0; text-align: center; }
.newsletter h2 { color: #fff; font-size: 2rem; margin-bottom: 12px; }
.newsletter p { color: rgba(255,255,255,0.8); margin-bottom: 30px; }
.newsletter-form { display: flex; max-width: 500px; margin: 0 auto; gap: 12px; }
.newsletter-form input { flex: 1; padding: 14px 20px; border: none; border-radius: 50px; font-family: inherit; font-size: 1rem; background: rgba(255,255,255,0.1); color: #fff; border: 1px solid rgba(255,255,255,0.2); }
.newsletter-form input::placeholder { color: rgba(255,255,255,0.5); }
.newsletter-form button { padding: 14px 30px; background: var(--color-primary); color: #fff; border: none; border-radius: 50px; font-weight: 600; font-size: 14px; cursor: pointer; text-transform: uppercase; letter-spacing: 0.5px; transition: var(--transition); }
.newsletter-form button:hover { background: var(--color-primary-light); transform: translateY(-2px); }

/* ===== ANIMATIONS ===== */
@keyframes fadeInUp { from { opacity: 0; transform: translateY(30px); } to { opacity: 1; transform: translateY(0); } }
.fade-in { opacity: 0; transform: translateY(30px); transition: opacity 0.6s ease, transform 0.6s ease; }
.fade-in.visible { opacity: 1; transform: translateY(0); }

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .about-grid { grid-template-columns: 1fr; }
    .contact-grid { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
    .nav-toggle { display: flex; }
    .nav-links { position: fixed; top: 68px; left: 0; right: 0; background: #fff; flex-direction: column; padding: 20px; gap: 16px; box-shadow: var(--shadow-md); transform: translateY(-150%); transition: transform 0.3s ease; z-index: 999; }
    .nav-links.active { transform: translateY(0); }
    .section { padding: 50px 0; }
    .article-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; text-align: center; }
    .newsletter-form { flex-direction: column; }
    .article-hero-image { height: 250px; }
    .article-page { padding-top: 100px; }
}
@media (max-width: 480px) {
    .hero { min-height: 70vh; }
    .article-nav a { max-width: 100%; }
}

/* ===== UTILITY ===== */
.text-center { text-align: center; }
.mt-40 { margin-top: 40px; }
.mb-40 { margin-bottom: 40px; }
.highlight { color: var(--color-primary); }
::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: var(--color-bg); }
::-webkit-scrollbar-thumb { background: var(--color-primary); border-radius: 5px; }
::-webkit-scrollbar-thumb:hover { background: var(--color-primary-dark); }
::selection { background: var(--color-primary); color: #fff; }