:root {
    --primary: #2D2926;
    --accent: #967155;
    --accent-light: #D4C5B9;
    --bg: #FCFAF7;
    --white: #FFFFFF;
    --teal: #2C4A4D;
    --border: #E8E2DB;
    --font-display: 'Bodoni Moda', serif;
    --font-body: 'Hanken Grotesk', sans-serif;
    --transition: 0.6s cubic-bezier(0.16, 1, 0.3, 1);
    --radius: 8px;
}

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

body { 
    font-family: var(--font-body); 
    color: var(--primary); 
    background-color: var(--bg); 
    line-height: 1.7; 
    overflow-x: hidden;
    background-image: radial-gradient(var(--accent-light) 0.5px, transparent 0.5px);
    background-size: 40px 40px;
    background-attachment: fixed;
}

.container { max-width: 1200px; margin: 0 auto; padding: 0 2rem; }
.container.narrow { max-width: 800px; }
.section-padding { padding: 120px 0; }
.pt-0 { padding-top: 0; }
.text-center { text-align: center; }
.mb-4 { margin-bottom: 2.5rem; }
.mt-4 { margin-top: 2rem; }
.w-full { width: 100%; }

/* Typography */
h1, h2, h3 { font-family: var(--font-display); font-weight: 400; line-height: 1.1; }
h1 { font-size: clamp(3rem, 8vw, 5.5rem); margin-bottom: 2rem; font-style: italic; }
h2 { font-size: clamp(2rem, 5vw, 3.5rem); margin-bottom: 1.5rem; }
h3 { font-size: 1.5rem; margin-bottom: 1rem; color: var(--teal); }
p { font-weight: 300; letter-spacing: 0.01em; }
.muted { font-size: 0.9rem; opacity: 0.7; }

/* Navigation */
.site-header { padding: 2.5rem 0; position: absolute; top: 0; width: 100%; z-index: 1000; transition: var(--transition); }
.site-header.scrolled { background: var(--bg); position: fixed; padding: 1.2rem 0; border-bottom: 1px solid var(--border); }
.site-header nav { display: flex; justify-content: space-between; align-items: center; }
.logo a { font-family: var(--font-display); font-size: 1.8rem; font-weight: 700; letter-spacing: 0.15em; text-decoration: none; color: var(--primary); }

.nav-links { display: flex; list-style: none; gap: 3rem; }
.nav-links a { text-decoration: none; color: var(--primary); font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.1em; transition: var(--transition); position: relative; }
.nav-links a::after { content: ''; position: absolute; bottom: -5px; left: 0; width: 0; height: 1px; background: var(--accent); transition: var(--transition); }
.nav-links a:hover::after, .nav-links a.active::after { width: 100%; }

.menu-btn { display: none; background: none; border: none; cursor: pointer; width: 30px; height: 15px; position: relative; z-index: 1001; }
.menu-btn span { display: block; width: 100%; height: 1px; background: var(--primary); transition: var(--transition); }
.menu-btn span:last-child { margin-top: 8px; }

/* Hero */
.hero { min-height: 100vh; display: flex; align-items: center; justify-content: center; position: relative; overflow: hidden; padding-top: 100px; }
.hero::before { content: 'لیباس'; position: absolute; font-family: var(--font-display); font-size: 25vw; color: var(--accent-light); opacity: 0.08; z-index: -1; top: 50%; left: 50%; transform: translate(-50%, -50%); pointer-events: none; }
.badge { display: inline-block; font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.2em; border: 1px solid var(--accent); color: var(--accent); padding: 0.5rem 1.5rem; border-radius: 100px; margin-bottom: 2rem; }
.hero-subtext { max-width: 600px; margin: 0 auto 3rem; font-size: 1.1rem; }

/* Forms */
.newsletter-form .input-group { display: flex; max-width: 450px; margin: 0 auto; border-bottom: 1px solid var(--primary); padding-bottom: 10px; }
.newsletter-form input { flex: 1; border: none; background: transparent; padding: 0.5rem 0; font-family: inherit; outline: none; font-size: 1rem; }
.btn-link { background: none; border: none; font-family: var(--font-display); font-size: 1.1rem; cursor: pointer; color: var(--primary); padding-left: 20px; transition: var(--transition); position: relative; }
.btn-link:hover { color: var(--accent); transform: translateX(5px); }

.form-feedback { font-size: 0.8rem; margin-top: 1rem; color: var(--teal); opacity: 0; transform: translateY(10px); transition: var(--transition); }
.form-feedback.visible { opacity: 1; transform: translateY(0); }

.prose-form { padding: 0; }
.form-group { margin-bottom: 1.5rem; }
.form-group label { display: block; font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.1em; margin-bottom: 0.5rem; font-weight: 600; }
.form-group input, .form-group textarea { width: 100%; background: var(--white); border: 1px solid var(--border); padding: 1rem; font-family: inherit; border-radius: 0; }
.btn-primary { background: var(--primary); color: var(--white); border: none; padding: 1.2rem; font-family: var(--font-display); font-size: 1.2rem; cursor: pointer; transition: var(--transition); }
.btn-primary:hover { background: var(--teal); }

/* Grids & Cards */
.grid-4 { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 3rem; }
.grid-3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 2rem; }
.grid-2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 5rem; align-items: center; }

.category-card { transition: var(--transition); text-align: center; }
.card-image { aspect-ratio: 3/4; border-radius: 150px 150px 0 0; margin-bottom: 2rem; position: relative; overflow: hidden; border: 1px solid var(--border); }
.bg-grad-1 { background: linear-gradient(180deg, var(--accent-light) 0%, var(--bg) 100%); }
.bg-grad-2 { background: linear-gradient(180deg, var(--teal) 0%, var(--primary) 100%); }
.bg-grad-3 { background: linear-gradient(180deg, #EAE5E0 0%, #D4CDC6 100%); }
.bg-grad-4 { background: linear-gradient(180deg, var(--accent) 0%, #7A593E 100%); }

.value-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: start; }
.value-list { list-style: none; }
.value-list li { padding: 2rem 0; border-bottom: 1px solid var(--border); display: flex; justify-content: space-between; align-items: center; font-weight: 600; color: var(--primary); }
.value-list li::after { content: '⟶'; font-family: serif; color: var(--accent); }

.principle-card { padding: 3rem; background: var(--white); border: 1px solid var(--border); position: relative; }
.principle-card .number { display: block; font-family: var(--font-display); font-size: 3rem; opacity: 0.1; position: absolute; top: 1rem; right: 2rem; }

.bg-soft { background: #F3F0EC; }
.form-wrapper { padding: 4rem; }

/* Footer */
.site-footer { padding: 100px 0 40px; background: var(--primary); color: var(--bg); }
.site-footer .footer-logo { font-family: var(--font-display); font-size: 2.5rem; letter-spacing: 0.3em; margin-bottom: 2rem; color: var(--white); }
.social-links { display: flex; justify-content: center; gap: 2rem; margin: 3rem 0; list-style: none; }
.social-links a { color: var(--accent-light); text-decoration: none; font-size: 0.8rem; letter-spacing: 0.1em; text-transform: uppercase; }

@media (max-width: 768px) {
    .section-padding { padding: 80px 0; }
    .menu-btn { display: block; }
    .nav-links { position: fixed; top: 0; right: -100%; width: 100%; height: 100vh; background: var(--bg); flex-direction: column; justify-content: center; align-items: center; transition: var(--transition); z-index: 1000; }
    .nav-links.active { right: 0; }
    .nav-links li { margin: 1.5rem 0; }
    .nav-links a { font-size: 1.5rem; }
    .value-grid { grid-template-columns: 1fr; gap: 2rem; }
    .grid-2 { gap: 3rem; }
    .form-wrapper { padding: 2rem; }
}