/* 
  UDAAN AIRWAYS — GLOBAL STYLESHEET (styles.css)
  Color Theme: Deep Blue (#0A1F5C), Sky Blue (#1E90FF), Gold (#FFB400)
  Font: Poppins (Google Fonts)
*/

@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700&display=swap');

:root {
    /* Primary Colors */
    --primary-dark-blue: #0A1F5C;
    --primary-sky-blue: #1E90FF;
    --accent-gold: #FFB400;
    --white: #FFFFFF;
    
    /* Neutral Colors */
    --light-gray-bg: #F5F7FA;
    --dark-text: #1A1A2E;
    --light-text: #6B7280;
    --border-color: #E5E7EB;
    
    /* Shadows & Transitions */
    --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.15);
    --transition-fast: 0.3s ease;
    --transition-medium: 0.5s ease;
}

/* 1. CSS Reset & Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
}

body {
    font-family: 'Poppins', sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--dark-text);
    background-color: var(--white);
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition-fast);
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

input, select, textarea, button {
    font-family: inherit;
}

/* 2. Utility Classes */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.text-center { text-align: center; }
.text-gold { color: var(--accent-gold); }
.text-blue { color: var(--primary-dark-blue); }

.section-padding { padding: 80px 0; }

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 15px;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 4px;
    background-color: var(--accent-gold);
}

.section-title.center::after {
    left: 50%;
    transform: translateX(-50%);
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--light-text);
    margin-bottom: 40px;
    max-width: 700px;
}

.section-subtitle.center { margin-left: auto; margin-right: auto; }

/* 3. Buttons */
.btn {
    display: inline-block;
    padding: 12px 28px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    text-align: center;
    cursor: pointer;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast), background-color var(--transition-fast);
    border: 2px solid transparent;
}

.btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.btn-primary {
    background-color: var(--accent-gold);
    color: var(--primary-dark-blue);
}

.btn-primary:hover {
    background-color: #e5a100;
}

.btn-secondary {
    background-color: var(--primary-sky-blue);
    color: var(--white);
}

.btn-secondary:hover {
    background-color: #0076e5;
}

.btn-outline {
    background-color: transparent;
    border-color: var(--accent-gold);
    color: var(--accent-gold);
}

.btn-outline:hover {
    background-color: var(--accent-gold);
    color: var(--primary-dark-blue);
}

/* 4. PRE-HEADER BAR */
.pre-header {
    background: var(--primary-dark-blue);
    color: var(--white);
    padding: 10px 0;
    font-size: 0.85rem;
}

.pre-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.pre-header-left span {
    margin-right: 20px;
    display: flex;
    align-items: center;
}

.pre-header-left i {
    margin-right: 8px;
    color: var(--accent-gold);
}

.pre-header-right {
    display: flex;
    align-items: center;
}

.pre-header-links {
    margin-right: 20px;
    display: flex;
    align-items: center;
}

.pre-header-links a {
    margin-left: 15px;
}

.pre-header-links a:hover {
    color: var(--accent-gold);
}

.pre-header-socials a {
    margin-left: 12px;
}

.pre-header-socials a:hover {
    color: var(--accent-gold);
}

/* 5. NAVBAR */
nav.navbar {
    position: sticky;
    top: 0;
    left: 0;
    width: 100%;
    background: var(--white);
    z-index: 1000;
    transition: var(--transition-fast);
}

nav.navbar.scrolled {
    box-shadow: var(--shadow-sm);
    padding: 5px 0;
}

nav.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
}

.logo {
    display: flex;
    align-items: center;
}

.logo i {
    font-size: 2rem;
    color: var(--accent-gold);
    margin-right: 10px;
}

.logo-text h2 {
    font-size: 1.5rem;
    color: var(--primary-dark-blue);
    font-weight: 700;
    line-height: 1;
}

.logo-text p {
    font-size: 0.75rem;
    color: var(--light-text);
    letter-spacing: 1px;
}

.nav-menu {
    display: flex;
    align-items: center;
}

.nav-menu > * {
    margin-left: 25px;
}

.nav-link {
    font-weight: 500;
    color: var(--dark-text);
    position: relative;
}

.nav-link:hover, .nav-link.active {
    color: var(--accent-gold);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--accent-gold);
    transition: var(--transition-fast);
}

.nav-link:hover::after, .nav-link.active::after {
    width: 100%;
}

/* Navbar Dropdown */
.dropdown {
    position: relative;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--white);
    min-width: 200px;
    box-shadow: var(--shadow-md);
    border-radius: 8px;
    padding: 10px 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: var(--transition-fast);
}

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

.dropdown-menu li a {
    display: block;
    padding: 10px 20px;
    font-size: 0.9rem;
    color: var(--dark-text);
}

.dropdown-menu li a:hover {
    background-color: var(--light-gray-bg);
    color: var(--accent-gold);
}

.hamburger {
    display: none;
    cursor: pointer;
    font-size: 1.5rem;
    color: var(--primary-dark-blue);
    margin-left: 20px;
}

.nav-btns {
    display: flex;
    align-items: center;
}

.nav-cta {
    padding: 8px 20px !important;
    font-size: 0.85rem !important;
    white-space: nowrap;
}

@media (max-width: 991px) {
    .nav-btns { display: flex; align-items: center; }
    .nav-cta { margin-right: 15px; }
}

/* 6. HERO SECTION */
.hero {
    position: relative;
    min-height: 90vh;
    display: flex;
    align-items: center;
    color: var(--white);
    overflow: hidden;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, rgba(10, 31, 92, 0.4), rgba(10, 31, 92, 0.8));
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    margin: 0 auto;
}

.hero-badge {
    display: inline-block;
    background: var(--accent-gold);
    color: var(--primary-dark-blue);
    padding: 6px 15px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.85rem;
    margin-bottom: 20px;
}

.hero h1 {
    font-size: 3.5rem;
    line-height: 1.2;
    font-weight: 700;
    margin-bottom: 20px;
    text-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
}

.hero p {
    font-size: 1.2rem;
    color: #e5e7eb;
    margin-bottom: 35px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-btns {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 40px;
}

.trust-badges {
    display: flex;
    justify-content: center;
    gap: 30px;
}

.trust-badge {
    font-size: 0.9rem;
    color: #cbd5e1;
}

.trust-badge span { color: var(--accent-gold); margin-right: 5px; }

/* 7. SECTION STYLES */
.bg-light { background-color: var(--light-gray-bg); }
.bg-dark { background-color: var(--primary-dark-blue); color: var(--white); }

/* 8. CARDS */
.card {
    background: var(--white);
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    padding: 30px;
    transition: var(--transition-fast);
    height: 100%;
}

.card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-md);
}

.card-img {
    margin: -30px -30px 20px -30px;
    height: 200px;
    overflow: hidden;
    border-radius: 12px 12px 0 0;
}

.card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-medium);
}

.card:hover .card-img img {
    transform: scale(1.1);
}

/* 9. FOOTER */
footer {
    background: var(--primary-dark-blue);
    color: var(--white);
    padding-top: 80px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1.5fr 1fr 1.5fr;
    gap: 40px;
    margin-bottom: 60px;
}

.footer-col h3 {
    color: var(--accent-gold);
    font-size: 1.2rem;
    margin-bottom: 25px;
    font-weight: 600;
}

.footer-col.company .logo { margin-bottom: 20px; }
.footer-col.company .logo-text h2 { color: var(--white); }
.footer-col.company p { color: #cbd5e1; font-size: 0.85rem; margin-bottom: 12px; }
.footer-col.company .info i { color: var(--accent-gold); width: 20px; margin-right: 10px; }

.footer-links li { margin-bottom: 12px; }
.footer-links a { color: #cbd5e1; font-size: 0.9rem; }
.footer-links a:hover { color: var(--accent-gold); padding-left: 5px; }

.trust-card {
    background: rgba(255, 255, 255, 0.05);
    padding: 15px;
    border-radius: 8px;
    text-align: center;
}

.trust-card img { max-width: 120px; margin: 0 auto 10px; }
.trust-card p { font-size: 0.75rem; color: #cbd5e1; }

.newsletter-form {
    display: flex;
    margin-top: 15px;
}

.newsletter-form input {
    flex: 1;
    padding: 10px 15px;
    border-radius: 25px 0 0 25px;
    border: none;
    outline: none;
}

.newsletter-form button {
    padding: 10px 20px;
    background: var(--accent-gold);
    color: var(--primary-dark-blue);
    border: none;
    border-radius: 0 25px 25px 0;
    font-weight: 600;
    cursor: pointer;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 30px 0;
}

.footer-bottom .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-bottom p { font-size: 0.85rem; color: #94a3b8; }

.footer-badges { display: flex; align-items: center; gap: 15px; }

/* 10. ANIMATIONS */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.reveal-up { opacity: 0; transform: translateY(30px); transition: all 0.8s ease-out; }
.reveal-up.active { opacity: 1; transform: translateY(0); }

.reveal-left { opacity: 0; transform: translateX(-50px); transition: all 0.8s ease-out; }
.reveal-left.active { opacity: 1; transform: translateX(0); }

.reveal-right { opacity: 0; transform: translateX(50px); transition: all 0.8s ease-out; }
.reveal-right.active { opacity: 1; transform: translateX(0); }

/* 11. FORM STYLES */
.form-group {
    position: relative;
    margin-bottom: 25px;
}

.form-control {
    width: 100%;
    padding: 15px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: transparent;
    transition: var(--transition-fast);
}

.form-control:focus {
    border-color: var(--accent-gold);
    box-shadow: 0 0 0 3px rgba(255, 180, 0, 0.1);
    outline: none;
}

/* 12. PARTNER SLIDER */
.partner-slider {
    overflow: hidden;
    padding: 40px 0;
    white-space: nowrap;
}

.partner-track {
    display: inline-flex;
    animation: scroll 30s linear infinite;
}

.partner-track:hover { animation-play-state: paused; }

@keyframes scroll {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

.partner-logo {
    width: 180px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 30px;
    background: var(--white);
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    color: var(--light-text);
    font-weight: 600;
}

/* 13. BACK TO TOP BUTTON */
#backToTop {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--accent-gold);
    color: var(--primary-dark-blue);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    cursor: pointer;
    box-shadow: var(--shadow-md);
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-fast);
}

#backToTop.show {
    opacity: 1;
    visibility: visible;
}

/* 14. RESPONSIVE REFINEMENTS */
@media (max-width: 1199px) {
    .container { max-width: 960px; }
    .hero h1 { font-size: 2.8rem; }
    .footer-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 991px) {
    .container { max-width: 720px; }
    
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 100%;
        height: 100vh;
        background: var(--white);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        padding: 50px;
        z-index: 1001;
        transition: 0.5s cubic-bezier(0.77, 0.2, 0.05, 1.0);
        box-shadow: -10px 0 30px rgba(0,0,0,0.1);
    }
    
    .nav-menu.active { right: 0; }
    
    .nav-menu > * { margin-left: 0; }
    
    .nav-link {
        margin: 15px 0;
        font-size: 1.25rem;
        font-weight: 600;
    }
    
    .hamburger { 
        display: block; 
        z-index: 1002;
    }
    
    .pre-header { display: none; }
    
    .hero h1 { font-size: 2.5rem; }
    .footer-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 767px) {
    .container { max-width: 100%; padding: 0 15px; }
    
    .section-padding { padding: 60px 0; }
    .section-title { font-size: 2rem; }
    
    .hero { min-height: 70vh; }
    .hero h1 { font-size: 2rem; }
    .hero p { font-size: 1rem; }
    
    .hero-btns { flex-direction: column; gap: 15px; width: 100%; }
    .hero-btns .btn { width: 100%; }
    
    .trust-badges { flex-direction: column; gap: 10px; align-items: start; }
    
    .footer-grid { grid-template-columns: 1fr; gap: 30px; }
    
    .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
}

@media (max-width: 480px) {
    .stats-grid { grid-template-columns: 1fr; }
    .stat-number { font-size: 2rem; }
}

/* Flex Utilities Missing on some pages */
.flex-between { display: flex; justify-content: space-between; align-items: center; }
.flex-center { display: flex; justify-content: center; align-items: center; }
.flex-1 { flex: 1; }
.flex-2 { flex: 2; }
.full-width { width: 100%; }
.mt-20 { margin-top: 20px; }
.mt-40 { margin-top: 40px; }
.mb-30 { margin-bottom: 30px; }
.label { display: inline-block; background: #eef4ff; color: var(--primary-sky-blue); padding: 5px 15px; border-radius: 4px; font-weight: 700; font-size: 0.75rem; text-transform: uppercase; margin-bottom: 15px; }