/* Price Pulse Travel - Main Stylesheet */

/* ===== RESET AND BASE STYLES ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #003366;
    --primary-dark: #002244;
    --accent-color: #00b8ff;
    --secondary-color: #64748b;
    --text-dark: #1e293b;
    --text-light: #64748b;
    --bg-light: #f8fafc;
    --bg-white: #ffffff;
    --border-color: #e2e8f0;
    --success-color: #10b981;
    --error-color: #ef4444;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --border-radius: 8px;
    --transition: all 0.3s ease;
}

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--bg-light);
}

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

/* ===== HEADER STYLES ===== */
.header {
    background: var(--bg-white);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid #e2e8f0;
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.8rem 0;
    gap: 3rem;
}

/* ===== LOGO STYLES ===== */
.logo {
    flex-shrink: 0;
    margin-right: auto;
}

.logo-link {
    text-decoration: none;
    display: block;
    transition: var(--transition);
}

.logo-link:hover {
    transform: translateY(-1px);
}

.logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1.1;
    font-family: 'Nunito', sans-serif;
    text-align: left;
}

.logo-main {
    font-size: 1.8rem;
    font-weight: 800;
    color: #003366;
    letter-spacing: -0.5px;
    display: block;
    transition: var(--transition);
}

.logo-sub {
    font-size: 1rem;
    font-weight: 600;
    color: #00b8ff;
    margin-top: 1px;
    letter-spacing: 0.5px;
    display: block;
    transition: var(--transition);
}

/* ===== NAVIGATION STYLES ===== */
.main-nav {
    display: flex;
    align-items: center;
    margin-left: auto;
}

.nav-list {
    display: flex;
    list-style: none;
    gap: 1.8rem;
    margin: 0;
    padding: 0;
    align-items: center;
}

.nav-list a {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 0.4rem;
    font-family: 'Inter', sans-serif;
    font-size: 0.92rem;
    padding: 0.5rem 0.3rem;
    position: relative;
    white-space: nowrap;
}

.nav-list a:hover,
.nav-list a.active {
    color: #003366;
}

.nav-list a.active::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 100%;
    height: 2px;
    background: #00b8ff;
    border-radius: 2px;
}

/* ===== DROPDOWN STYLES ===== */
.dropdown {
    position: relative;
}

.dropdown > a {
    padding-right: 0.8rem;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--bg-white);
    box-shadow: var(--shadow-lg);
    border-radius: var(--border-radius);
    min-width: 220px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: var(--transition);
    list-style: none;
    padding: 0.5rem 0;
    z-index: 1000;
    border: 1px solid var(--border-color);
}

.dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-menu a {
    padding: 0.7rem 1.5rem;
    display: block;
    white-space: nowrap;
    color: var(--text-dark);
    text-decoration: none;
    font-family: 'Inter', sans-serif;
    font-size: 0.88rem;
    border: none;
}

.dropdown-menu a:hover {
    background: #f0f9ff;
    color: #003366;
}

.dropdown-menu a::after {
    display: none;
}

/* ===== HEADER ACTIONS ===== */
.header-actions {
    display: flex;
    align-items: center;
    margin-left: 1rem;
}

/* ===== MOBILE MENU TOGGLE ===== */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    gap: 4px;
    padding: 0.5rem;
    margin-left: 1rem;
}

.mobile-menu-toggle span {
    width: 22px;
    height: 2px;
    background: var(--text-dark);
    transition: var(--transition);
    border-radius: 2px;
}

.mobile-menu-toggle:hover span {
    background: #003366;
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

.mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

/* ===== MOBILE MENU STYLES ===== */
.mobile-menu {
    position: fixed;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--bg-white);
    z-index: 999;
    transition: var(--transition);
    padding: 5rem 2rem 2rem;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
}

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

.mobile-nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.mobile-nav li {
    margin-bottom: 0.8rem;
    border-bottom: 1px solid #f1f5f9;
}

.mobile-nav li:last-child {
    border-bottom: none;
}

.mobile-nav a {
    text-decoration: none;
    color: var(--text-dark);
    font-size: 1.1rem;
    font-weight: 500;
    display: block;
    padding: 0.8rem 0;
    transition: var(--transition);
}

.mobile-nav a:hover {
    color: #003366;
    padding-left: 0.5rem;
}

/* ===== MOBILE DROPDOWN STYLES ===== */
.mobile-dropdown {
    position: relative;
}

.mobile-dropdown-toggle {
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
}

.mobile-dropdown-menu {
    display: none;
    padding-left: 1rem;
    list-style: none;
    margin-top: 0.5rem;
    border-left: 2px solid #00b8ff;
}

.mobile-dropdown.active .mobile-dropdown-menu {
    display: block;
}

.mobile-dropdown-toggle .fa-chevron-down {
    transition: transform 0.3s ease;
    font-size: 0.9rem;
}

.mobile-dropdown.active .mobile-dropdown-toggle .fa-chevron-down {
    transform: rotate(180deg);
}

.mobile-dropdown-menu li {
    border-bottom: none;
    margin-bottom: 0.3rem;
}

.mobile-dropdown-menu a {
    font-size: 1rem;
    padding: 0.6rem 0;
    color: var(--text-light);
}

.mobile-dropdown-menu a:hover {
    color: #003366;
}

/* ===== MAIN CONTENT ===== */
.main-content {
    min-height: calc(100vh - 80px);
}

/* ===== RESPONSIVE STYLES ===== */
@media (max-width: 1024px) {
    .nav-list {
        gap: 1.2rem;
    }
    
    .nav-list a {
        font-size: 0.88rem;
    }
    
    .header-content {
        gap: 2rem;
    }
}

@media (max-width: 900px) {
    .nav-list {
        gap: 1rem;
    }
    
    .logo-main {
        font-size: 1.6rem;
    }
    
    .logo-sub {
        font-size: 0.9rem;
    }
}

@media (max-width: 768px) {
    .main-nav {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .logo-main {
        font-size: 1.5rem;
    }
    
    .logo-sub {
        font-size: 0.85rem;
    }
    
    .header-content {
        gap: 1rem;
        padding: 0.6rem 0;
    }
}

@media (max-width: 480px) {
    .logo-main {
        font-size: 1.3rem;
    }
    
    .logo-sub {
        font-size: 0.75rem;
    }
    
    .header-content {
        padding: 0.5rem 0;
    }
    
    .container {
        padding: 0 15px;
    }
    
    .mobile-menu {
        padding: 4rem 1.5rem 1.5rem;
    }
}

/* Utility Classes */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }

.p-1 { padding: 0.5rem; }
.p-2 { padding: 1rem; }
.p-3 { padding: 1.5rem; }
.p-4 { padding: 2rem; }

.d-none { display: none; }
.d-block { display: block; }
.d-flex { display: flex; }

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
}

/* ===== RESPONSIVE STYLES ===== */
@media (max-width: 768px) {
    .main-nav {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .logo-main {
        font-size: 1.5rem;
    }
    
    .logo-sub {
        font-size: 0.95rem;
    }
    
    .header-content {
        gap: 1rem;
    }
}

@media (max-width: 480px) {
    .logo-main {
        font-size: 1.3rem;
    }
    
    .logo-sub {
        font-size: 0.85rem;
    }
    
    .header-content {
        padding: 0.75rem 0;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .header-content {
        min-height: 55px;
    }
    
    .hero {
        padding: 2rem 0;
    }
    
    .section {
        padding: 2rem 0;
    }
    
    .btn {
        width: 100%;
        margin-bottom: 0.5rem;
    }
    
    .hero-actions .btn {
        width: 100%;
    }
    
    .mobile-menu {
        padding: 1rem;
    }
    
    .footer {
        padding: 2rem 0 1rem;
    }
}

/* Print Styles */
@media print {
    .header,
    .footer,
    .mobile-menu-toggle,
    .back-to-top {
        display: none !important;
    }
    
    .main-content {
        min-height: auto;
    }
    
    body {
        background: white;
        color: black;
    }
}