/* =====================================================
   پروژه رستوران شیشه‌ای (Glass Restaurant)
   طراحی شده توسط معصومه سرداریان
   تمامی حقوق محفوظ است © ۱۴۰۵
   ===================================================== */

/* ===== ریست و پایه ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background: radial-gradient(circle at 20% 30%, #0b0e1a, #03050c);
    font-family: 'Vazirmatn', 'Segoe UI', sans-serif;
    min-height: 100vh;
    color: #f0f4ff;
    line-height: 1.6;
    padding: 1.5rem;
    backdrop-filter: blur(2px);
}

/* ===== ظروف شیشه‌ای (Glassmorphism) ===== */
.glass {
    background: rgba(20, 30, 50, 0.25);
    backdrop-filter: blur(16px) saturate(180%);
    -webkit-backdrop-filter: blur(16px) saturate(180%);
    border-radius: 42px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6), inset 0 0 0 1px rgba(255, 255, 255, 0.03);
    transition: all 0.25s ease;
}

.glass:hover {
    border-color: rgba(255, 255, 255, 0.15);
    box-shadow: 0 30px 60px rgba(0, 20, 60, 0.5);
}

/* ===== هدر و ناوبری ===== */
header {
    max-width: 1400px;
    margin: 0 auto 2.5rem auto;
    padding: 1rem 2.2rem;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    background: rgba(12, 18, 34, 0.3);
    backdrop-filter: blur(18px);
    border-radius: 80px;
    border: 1px solid rgba(255, 255, 255, 0.06);
}

.logo h1 {
    font-size: 1.9rem;
    font-weight: 700;
    letter-spacing: -0.5px;
    background: linear-gradient(135deg, #ffd6b7, #ff9a6a);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 0 30px rgba(255, 130, 70, 0.2);
}

.logo span {
    font-size: 0.9rem;
    font-weight: 300;
    background: rgba(255, 255, 255, 0.05);
    padding: 0.2rem 1rem;
    border-radius: 40px;
    -webkit-text-fill-color: #ffd0b0;
    margin-right: 0.5rem;
}

/* ===== منوی ناوبری ===== */
nav {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem 0.8rem;
}

nav a {
    color: #eef5ff;
    text-decoration: none;
    font-weight: 400;
    padding: 0.5rem 1.4rem;
    border-radius: 50px;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid transparent;
    transition: 0.2s;
    font-size: 0.95rem;
    backdrop-filter: blur(4px);
}

nav a:hover {
    background: rgba(255, 140, 60, 0.15);
    border-color: rgba(255, 160, 80, 0.3);
    box-shadow: 0 0 20px rgba(255, 140, 60, 0.1);
    transform: translateY(-2px);
}

nav a.active-link {
    background: rgba(255, 140, 60, 0.15) !important;
    border-color: rgba(255, 160, 80, 0.4) !important;
    box-shadow: 0 0 20px rgba(255, 140, 60, 0.15);
}

/* ===== صفحات ===== */
.page {
    max-width: 1300px;
    margin: 0 auto 2.8rem auto;
    animation: fadeSlide 0.45s ease;
}

.page.active {
    display: block;
}

@keyframes fadeSlide {
    0% { opacity: 0; transform: translateY(18px); }
    100% { opacity: 1; transform: translateY(0); }
}

/* ===== کارت‌های شیشه‌ای ===== */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.card {
    padding: 2rem 1.8rem;
    border-radius: 40px;
    background: rgba(20, 30, 55, 0.2);
    backdrop-filter: blur(14px);
    border: 1px solid rgba(255, 255, 255, 0.04);
    transition: 0.3s;
}

.card:hover {
    transform: scale(1.01);
    background: rgba(30, 45, 75, 0.3);
    border-color: rgba(255, 160, 80, 0.15);
}

.card h3 {
    font-size: 1.7rem;
    font-weight: 600;
    background: linear-gradient(145deg, #ffd6b7, #ff9a6a);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
}

.card p {
    color: #d3e2ff;
    font-weight: 300;
}

/* ===== تیترهای شیشه‌ای ===== */
.glass-title {
    font-size: 2.6rem;
    font-weight: 600;
    margin-bottom: 0.8rem;
    background: linear-gradient(135deg, #ffd6b7, #ff9a6a);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.02em;
}

.sub-glow {
    color: #ffb08a;
    font-weight: 300;
    border-right: 3px solid rgba(255, 160, 80, 0.3);
    padding-right: 1rem;
}

/* ===== صفحه اصلی ===== */
.hero {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.hero-badge {
    display: inline-block;
    background: rgba(255, 140, 60, 0.15);
    padding: 0.4rem 1.8rem;
    border-radius: 60px;
    border: 1px solid rgba(255, 160, 80, 0.2);
    backdrop-filter: blur(4px);
    font-size: 0.9rem;
    width: fit-content;
}

/* ===== فوتر ===== */
.footer {
    max-width: 1300px;
    margin: 3rem auto 1rem auto;
    padding: 1.5rem 2.5rem;
    border-radius: 60px;
    background: rgba(6, 10, 24, 0.3);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.02);
    text-align: center;
    font-weight: 300;
    color: #ffb08a;
    letter-spacing: 0.5px;
}

.footer strong {
    font-weight: 500;
    color: #ffccaa;
}

.footer .sign {
    font-size: 1.05rem;
    background: linear-gradient(145deg, #ffd6b7, #ff9a6a);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ===== ریسپانسیو ===== */
@media (max-width: 700px) {
    header {
        flex-direction: column;
        align-items: stretch;
        gap: 1rem;
        border-radius: 40px;
        padding: 1.2rem;
    }
    
    nav {
        justify-content: center;
    }
    
    .glass-title {
        font-size: 2rem;
    }
    
    .card-grid {
        grid-template-columns: 1fr;
    }
}

/* ===== اسکرول نرم ===== */
html {
    scroll-behavior: smooth;
}

::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.2);
    border-radius: 20px;
}

::-webkit-scrollbar-thumb {
    background: #ff9a6a;
    border-radius: 20px;
}

::-webkit-scrollbar-thumb:hover {
    background: #ffb08a;
}