:root {
    --primary-color: #00838F; /* Deep Teal */
    --secondary-color: #FFB300; /* Vibrant Gold */
    --dark-blue: #263238; /* Dark Slate Gray */
    --text-color: #455A64; /* Muted Text Gray */
    --bg-color: #F5F7FA; /* Light Cool Gray */
    --white: #fff;
    --grey: #e0e0e0; /* Softer Grey */
    --heading-color: #263238; /* Dark Slate Gray */
}

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

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

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

a {
    text-decoration: none;
    color: var(--primary-color);
}

h1, h2, h3 {
    color: var(--heading-color);
    line-height: 1.2;
}

h2 {
    text-align: center;
    font-size: 32px;
    margin-bottom: 40px;
    font-weight: 700;
}

section {
    padding: 60px 0;
}

/* Header */
header {
    background: var(--white);
    padding: 15px 0;
    border-bottom: 1px solid var(--grey);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
}

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

.logo {
    height: 45px;
}

.main-nav ul {
    list-style: none;
    display: flex;
    gap: 30px;
}

.main-nav a {
    color: var(--heading-color);
    font-weight: 500;
    font-size: 16px;
    transition: color 0.3s;
}

.main-nav a:hover, .main-nav a.active {
    color: var(--primary-color);
}

.mobile-only-call {
    display: none;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 15px;
}

.contact-info .call-btn {
    display: flex;
    align-items: center;
    gap: 10px;
    background: linear-gradient(90deg, var(--secondary-color), #FFCA28);
    color: var(--dark-blue);
    padding: 10px 18px;
    border-radius: 8px;
    transition: all 0.3s;
    animation: pulse 2.5s infinite;
}

.contact-info .call-btn:hover {
    opacity: 0.9;
    box-shadow: 0 4px 15px rgba(255, 179, 0, 0.4);
    animation-play-state: paused;
}

.call-btn i {
    font-size: 22px;
}

.call-btn div {
    display: flex;
    flex-direction: column;
}

.call-btn span:first-child {
    font-size: 10px;
    font-weight: 500;
}
.call-btn span:last-child {
    font-size: 18px;
    font-weight: 700;
}

.mobile-nav-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 24px;
    color: var(--dark-blue);
    cursor: pointer;
}

.contact-info {
    display: flex;
    align-items: center;
    gap: 10px;
}

.contact-info .fa-phone-alt {
    color: var(--secondary-color);
    font-size: 24px;
}

.contact-info div {
    display: flex;
    flex-direction: column;
}

.contact-info span {
    font-size: 12px;
    color: #666;
}

.contact-info a {
    font-size: 18px;
    font-weight: 700;
    color: var(--primary-color);
    text-decoration: none;
}

/* Hero */
.hero {
    background: url('background.png') no-repeat center center/cover;
    color: var(--white);
    padding: 60px 0;
    position: relative;
    min-height: auto;
    display: flex;
    align-items: center;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(10, 25, 41, 0.6);
}

.hero .container {
    position: relative;
    z-index: 1;
    display: block;
    text-align: center;
}

.hero-content {
    margin-bottom: 30px;
}

.hero h1 {
    font-size: 48px;
    font-weight: 700;
    color: var(--white);
    text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
}

.subtitle {
    font-size: 20px;
    color: var(--white);
    font-weight: 300;
    margin-top: 10px;
}

.booking-form-container {
    background: var(--white);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
    max-width: 900px;
    margin: 0 auto;
}

.form-tabs {
    display: flex;
    background: #f0f0f0;
}

.tab-link {
    flex: 1;
    padding: 15px;
    border: none;
    background: transparent;
    cursor: pointer;
    font-size: 16px;
    font-weight: 500;
    color: #555;
    transition: background-color 0.3s, color 0.3s;
    border-bottom: 3px solid transparent;
}

.tab-link.active {
    background: var(--white);
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

.tab-link i {
    margin-right: 8px;
}

.booking-form {
    padding: 25px;
    color: var(--text-color);
    display: grid;
    gap: 15px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
    align-items: flex-end;
}
.form-row:first-of-type {
    grid-template-columns: 1fr auto 1fr;
    align-items: flex-end;
}

.form-group {
    flex: 1;
    display: flex;
    flex-direction: column;
    position: relative;
}

.form-group label {
    font-size: 14px;
    margin-bottom: 5px;
    color: #666;
    font-weight: 500;
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 12px;
    border: 1px solid #ccc;
    border-radius: 6px;
    font-size: 16px;
    font-family: 'Roboto', sans-serif;
    background-color: #f7f9fc;
}
.form-group input:focus, .form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(0, 131, 143, 0.2);
}

.form-group input[type="text"] {
    padding-left: 40px;
}

.input-icon {
    position: absolute;
    left: 12px;
    top: 39px;
    color: #999;
}

.swap-btn {
    height: 48px;
    width: 48px;
    border-radius: 50%;
    border: 1px solid #ccc;
    background-color: var(--white);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-size: 16px;
    margin-bottom: 1px; /* Align with inputs */
}
.swap-btn:hover {
    background-color: #f0f0f0;
}

.search-btn {
    grid-column: 1 / -1;
    width: 100%;
    padding: 15px;
    background: linear-gradient(90deg, var(--secondary-color), #FFCA28);
    color: var(--dark-blue);
    border: none;
    border-radius: 6px;
    font-size: 18px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s;
    text-transform: uppercase;
}

.search-btn:hover {
    opacity: 0.9;
    box-shadow: 0 4px 15px rgba(255, 179, 0, 0.4);
}

/* Airlines Section */
.airlines {
    background: var(--white);
}
.airline-logos {
    display: flex;
    justify-content: space-around;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}
.airline-logos img {
    height: 40px;
    opacity: 0.7;
    transition: all 0.3s;
}
.airline-logos img:hover {
    opacity: 1;
}

/* Deals & Destinations */
.deals, .destinations {
    background: var(--bg-color);
}
.deals-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}
.deal-card {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    color: var(--white);
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
    transition: transform 0.3s;
}
.deal-card:hover {
    transform: translateY(-5px);
}
.deal-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.4s;
}
.deal-card:hover img {
    transform: scale(1.05);
}
.deal-card::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.8) 0%, rgba(0,0,0,0) 60%);
}
.deal-info {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 20px;
    z-index: 2;
}
.deal-info h3 {
    color: var(--white);
    margin-bottom: 5px;
    font-size: 22px;
}
.deal-info p {
    font-size: 16px;
    color: var(--grey);
}

/* Why Choose Us */
.why-choose-us {
    background: var(--white);
}
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    text-align: center;
}
.feature-item {
    padding: 20px;
}
.feature-item img {
    height: 60px;
    margin-bottom: 15px;
}
.feature-item h3 {
    font-size: 20px;
    margin-bottom: 10px;
}

/* About Us */
.about-us {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

/* FAQ */
.faq {
    background: var(--white);
}
.faq-item {
    border-bottom: 1px solid var(--grey);
    margin-bottom: 10px;
}
.faq-question {
    width: 100%;
    background: none;
    border: none;
    text-align: left;
    padding: 15px 0;
    font-size: 18px;
    font-weight: 500;
    color: var(--heading-color);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.faq-question i {
    transition: transform 0.3s;
    font-size: 16px;
    color: var(--primary-color);
}
.faq-question i.fa-chevron-up {
    transform: rotate(180deg);
}
.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out;
}
.faq-answer p {
    padding: 0 0 15px 0;
}

/* Footer */
footer {
    background: var(--dark-blue);
    color: #a9b3c9;
    padding-top: 60px;
    font-size: 14px;
}
.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}
.footer-logo {
    height: 40px;
    margin-bottom: 15px;
    filter: brightness(0) invert(1);
}
.footer-col h3 {
    color: var(--white);
    margin-bottom: 20px;
    font-size: 18px;
}
.footer-col ul {
    list-style: none;
}
.footer-col ul li {
    margin-bottom: 10px;
}
.footer-col ul li a {
    color: #a9b3c9;
    transition: color 0.3s, padding-left 0.3s;
}
.footer-col ul li a:hover {
    color: var(--white);
    padding-left: 5px;
}
.footer-col ul li i {
    margin-right: 10px;
    width: 15px;
}
.social-icons a {
    color: #a9b3c9;
    margin-right: 15px;
    font-size: 18px;
    transition: color 0.3s;
}
.social-icons a:hover {
    color: var(--white);
}
.footer-bottom {
    border-top: 1px solid #293855;
    padding: 20px 0;
    text-align: center;
    font-size: 12px;
}

/* Keyframes for animation */
@keyframes pulse {
    0% {
        transform: scale(1);
        box-shadow: 0 2px 8px rgba(255, 179, 0, 0.3);
    }
    50% {
        transform: scale(1.05);
        box-shadow: 0 6px 20px rgba(255, 179, 0, 0.5);
    }
    100% {
        transform: scale(1);
        box-shadow: 0 2px 8px rgba(255, 179, 0, 0.3);
    }
}

/* Responsive */
@media (max-width: 992px) {
    .main-nav {
        display: none;
        position: absolute;
        top: 76px;
        left: 0;
        width: 100%;
        background: var(--white);
        box-shadow: 0 4px 10px rgba(0,0,0,0.1);
        z-index: 100;
    }
    .main-nav.active {
        display: block;
    }
    .main-nav ul {
        flex-direction: column;
        gap: 0;
    }
    .main-nav li {
        border-bottom: 1px solid var(--grey);
    }
    .main-nav li a {
        display: block;
        padding: 15px 20px;
    }
    .mobile-nav-toggle {
        display: block;
    }
    .contact-info {
        display: none;
    }
    .mobile-only-call {
        display: block;
    }
    .call-btn-mobile {
        color: var(--secondary-color);
        font-weight: bold;
    }
    .call-btn-mobile i {
        margin-right: 8px;
    }

    h2 { font-size: 28px; }
    .hero h1 { font-size: 40px; }
    .subtitle { font-size: 18px; }
}

@media (max-width: 768px) {
    section { padding: 40px 0; }
    .booking-form { padding: 20px; }
    .form-row, .form-row:first-of-type {
        grid-template-columns: 1fr;
    }
    .swap-btn {
        position: absolute;
        top: 32px;
        right: 10px;
        z-index: 2;
        width: 40px;
        height: 40px;
    }
    .hero h1 { font-size: 32px; }
    .subtitle { font-size: 16px; }
    .header-right { gap: 10px; }
}

@media (max-width: 480px) {
    .logo { height: 35px; }
    .booking-form .form-row:nth-of-type(2) {
        grid-template-columns: 1fr;
    }
}