:root {
    --primary-blue: #0b57d0;
    --primary-hover: #084298;
    --text-dark: #333333;
    --text-gray: #555555;
    --border-color: #e5e5e5;
    --bg-light: #f8f9fa;
}

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

body {
    font-family: 'Noto Sans KR', sans-serif;
    color: var(--text-dark);
    padding-top: 90px;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

/* --- Header Styles --- */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 90px;
    background-color: #ffffff;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    z-index: 1000;
    display: flex;
    align-items: center;
}

.header-container {
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* Logo */
.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-icon {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 3px;
    width: 32px;
    height: 32px;
}

.logo-icon span {
    background-color: var(--primary-blue);
    border-radius: 4px;
}
.logo-icon span:nth-child(2) { background-color: #20c997; }
.logo-icon span:nth-child(3) { background-color: #0dcaf0; }

.logo-text {
    display: flex;
    flex-direction: column;
}

.logo-text .title {
    font-size: 22px;
    font-weight: 700;
    color: #111;
    letter-spacing: -0.5px;
}

.logo-text .subtitle {
    font-size: 9px;
    color: #888;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

/* PC Nav Menu */
.nav-menu {
    display: flex;
    gap: 45px;
}

.nav-menu a {
    font-size: 16px;
    font-weight: 500;
    color: var(--text-dark);
    transition: color 0.2s ease;
}

.nav-menu a:hover {
    color: var(--primary-blue);
}

/* Header Right Actions */
.header-right {
    display: flex;
    align-items: center;
    gap: 25px;
}

.btn-reservation {
    background-color: var(--primary-blue);
    color: #ffffff;
    padding: 12px 28px;
    border-radius: 50px;
    font-size: 15px;
    font-weight: 500;
    box-shadow: 0 4px 12px rgba(11, 87, 208, 0.2);
    transition: background-color 0.2s, transform 0.2s;
}

.btn-reservation:hover {
    background-color: var(--primary-hover);
    transform: translateY(-1px);
}

.menu-toggle-btn {
    background: none;
    border: none;
    font-size: 24px;
    color: var(--text-dark);
    cursor: pointer;
    display: none;
    z-index: 1002;
}

/* --- Mobile Overlay & Drawer Menu --- */
.mobile-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
    z-index: 1000;
}

.mobile-overlay.active {
    opacity: 1;
    visibility: visible;
}

.mobile-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100%;
    background: #ffffff;
    box-shadow: -5px 0 15px rgba(0,0,0,0.1);
    z-index: 1001;
    display: flex;
    flex-direction: column;
    padding: 40px 20px;
    transition: right 0.3s ease-in-out;
}

.mobile-menu.active {
    right: 0;
}

.mobile-menu-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--border-color);
}

.mobile-menu-header span {
    font-size: 18px;
    font-weight: 700;
    color: var(--primary-blue);
}

.mobile-close-btn {
    background: none;
    border: none;
    font-size: 22px;
    cursor: pointer;
    color: var(--text-dark);
}

.mobile-nav-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.mobile-nav-list a {
    font-size: 16px;
    font-weight: 500;
    color: var(--text-dark);
    padding: 8px 0;
    border-bottom: 1px solid #f1f1f1;
    transition: color 0.2s;
}

.mobile-nav-list a:hover {
    color: var(--primary-blue);
}

/* --- Responsive Design --- */
@media (max-width: 1024px) {
    .nav-menu {
        display: none;
    }
    .menu-toggle-btn {
        display: block;
    }
    .header-container {
        padding: 0 20px;
    }
}