/* ==========================================================================
   GLOBAL TRAVEL EXPRESS - CORE MASTER STYLESHEET
   ========================================================================== */

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

/* --- Design Tokens / Variables --- */
:root {
    --primary-color: #0B3C5D;
    --secondary-color: #D4AF37;
    --accent-color: #F5F7FA;
    --bg-color: #FFFFFF;
    --text-color: #222222;
    --text-muted: #666666;
    --border-color: #E6E6E6;
    --white: #FFFFFF;
    --font-primary: 'Poppins', sans-serif;
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 24px;
    --shadow-sm: 0 2px 8px rgba(11, 60, 93, 0.05);
    --shadow-md: 0 10px 30px rgba(11, 60, 93, 0.08);
    --shadow-lg: 0 20px 40px rgba(11, 60, 93, 0.12);
    --transition-smooth: all 0.4s cubic-bezier(0.25, 1, 0.5, 1);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-primary);
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    overflow-x: hidden;
}

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

ul {
    list-style: none;
}

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

input, select, textarea, button {
    font-family: var(--font-primary);
    font-size: 1rem;
    outline: none;
}

/* --- Typography Helper Classes --- */
.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    text-align: center;
    margin-bottom: 1rem;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-muted);
    text-align: center;
    max-width: 700px;
    margin: 0 auto 3.5rem auto;
}

/* --- Reusable Layout Components --- */
.container {
    width: 100%;
    max-width: 1320px;
    margin: 0 auto;
    padding: 0 24px;
}

.section-padding {
    padding: 100px 0;
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 28px;
    font-weight: 500;
    border-radius: var(--radius-sm);
    transition: var(--transition-smooth);
    cursor: pointer;
    border: 2px solid transparent;
}

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

.btn-primary:hover {
    background-color: transparent;
    border-color: var(--primary-color);
    color: var(--primary-color);
    transform: translateY(-3px);
}

.btn-secondary {
    background-color: transparent;
    border: 2px solid var(--secondary-color);
    color: var(--primary-color);
}

.btn-secondary:hover {
    background-color: var(--secondary-color);
    color: var(--primary-color);
    transform: translateY(-3px);
}

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

.btn-white:hover {
    background-color: transparent;
    border-color: var(--white);
    color: var(--white);
    transform: translateY(-3px);
}

/* --- Navigation Header --- */
.header-nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    transition: var(--transition-smooth);
    padding: 24px 0;
}

.header-nav.sticky {
    background-color: var(--white);
    padding: 15px 0;
    box-shadow: var(--shadow-sm);
    border-bottom: 1px solid var(--border-color);
}

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

.logo a {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--white);
    letter-spacing: -0.5px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.header-nav.sticky .logo a {
    color: var(--primary-color);
}

.logo span {
    color: var(--secondary-color);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 28px;
}

.nav-link {
    color: rgba(255, 255, 255, 0.85);
    font-size: 0.95rem;
    font-weight: 500;
    position: relative;
    padding: 6px 0;
}

.header-nav.sticky .nav-link {
    color: var(--text-color);
}

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

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

.nav-link:hover {
    color: var(--secondary-color);
}

.header-nav.sticky .nav-link:hover {
    color: var(--primary-color);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.menu-toggle {
    display: none;
    font-size: 1.5rem;
    color: var(--white);
    cursor: pointer;
}

.header-nav.sticky .menu-toggle {
    color: var(--primary-color);
}

/* --- Internal Page Hero Framework --- */
.internal-hero {
    position: relative;
    background-color: var(--primary-color);
    padding: 180px 0 100px 0;
    text-align: center;
    color: var(--white);
    overflow: hidden;
}

.internal-hero::before {
    content: '';
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background-image: linear-gradient(rgba(11, 60, 93, 0.85), rgba(11, 60, 93, 0.95)), url('https://picsum.photos/1920/600?random=99');
    background-size: cover;
    background-position: center;
    z-index: 1;
}

.internal-hero .container {
    position: relative;
    z-index: 2;
}

.internal-hero h1 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.breadcrumbs {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.7);
}

.breadcrumbs a {
    color: var(--secondary-color);
}

/* --- Shared Form Elements --- */
.corporate-form {
    background-color: var(--white);
    padding: 40px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    margin-bottom: 24px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group.full-width {
    grid-column: span 2;
}

.form-group label {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--primary-color);
}

.form-control {
    width: 100%;
    padding: 14px 18px;
    border: 1px solid var(--border-color);
    background-color: var(--accent-color);
    border-radius: var(--radius-sm);
    color: var(--text-color);
    transition: var(--transition-smooth);
}

.form-control:focus {
    border-color: var(--primary-color);
    background-color: var(--white);
    box-shadow: 0 0 0 4px rgba(11, 60, 93, 0.05);
}

textarea.form-control {
    resize: vertical;
    min-height: 140px;
}

/* --- Shared Accordion UI --- */
.accordion-wrapper {
    display: flex;
    flex-direction: column;
    gap: 16px;
    max-width: 800px;
    margin: 0 auto;
}

.accordion-item {
    background-color: var(--white);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    overflow: hidden;
    transition: var(--transition-smooth);
}

.accordion-header {
    padding: 20px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    cursor: pointer;
    background-color: var(--white);
    transition: var(--transition-smooth);
}

.accordion-header h4 {
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--primary-color);
}

.accordion-icon {
    font-size: 0.9rem;
    color: var(--primary-color);
    transition: var(--transition-smooth);
}

.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s cubic-bezier(0.25, 1, 0.5, 1);
    background-color: var(--accent-color);
}

.accordion-content-inner {
    padding: 24px;
    color: var(--text-muted);
    font-size: 0.95rem;
    border-top: 1px solid var(--border-color);
}

.accordion-item.active {
    box-shadow: var(--shadow-sm);
    border-color: var(--primary-color);
}

.accordion-item.active .accordion-header {
    background-color: var(--accent-color);
}

.accordion-item.active .accordion-icon {
    transform: rotate(180px);
    color: var(--secondary-color);
}

/* --- Scroll Animations Engine System --- */
.reveal {
    position: relative;
    opacity: 0;
    transform: translateY(35px);
    transition: opacity 0.8s cubic-bezier(0.25, 1, 0.5, 1), transform 0.8s cubic-bezier(0.25, 1, 0.5, 1);
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* --- Back To Top --- */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 48px;
    height: 48px;
    background-color: var(--primary-color);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition-smooth);
    border: none;
}

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

.back-to-top:hover {
    background-color: var(--secondary-color);
    color: var(--primary-color);
    transform: translateY(-3px);
}

/* --- Footer --- */
.corporate-footer {
    background-color: var(--primary-color);
    color: rgba(255, 255, 255, 0.8);
    padding: 80px 0 30px 0;
    border-top: 4px solid var(--secondary-color);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2.5fr 1.5fr 1.5fr 1.5fr 2fr;
    gap: 40px;
    margin-bottom: 60px;
}

.footer-brand .footer-logo {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 16px;
}

.footer-brand .footer-logo span {
    color: var(--secondary-color);
}

.footer-brand p {
    font-size: 0.9rem;
    line-height: 1.6;
    margin-bottom: 24px;
}

.footer-socials {
    display: flex;
    gap: 12px;
}

.footer-socials a {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-sm);
    background-color: rgba(255, 255, 255, 0.05);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.95rem;
}

.footer-socials a:hover {
    background-color: var(--secondary-color);
    color: var(--primary-color);
    transform: translateY(-3px);
}

.footer-col h4 {
    color: var(--white);
    font-size: 1.05rem;
    font-weight: 600;
    margin-bottom: 24px;
    position: relative;
    padding-bottom: 8px;
}

.footer-col h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 30px;
    height: 2px;
    background-color: var(--secondary-color);
}

.footer-links flex-direction: column {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links a {
    font-size: 0.9rem;
}

.footer-links a:hover {
    color: var(--secondary-color);
    padding-left: 5px;
}

.footer-contact-items {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.footer-contact-item {
    display: flex;
    gap: 12px;
    font-size: 0.9rem;
}

.footer-contact-item i {
    color: var(--secondary-color);
    margin-top: 4px;
}

.footer-bottom {
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
}