/* ========================================
   Anytime Executive Travel - Main Styles
   Luxury Dark Theme
   ======================================== */

/* CSS Variables */
:root {
    /* Colors */
    --color-black: #0a0a0a;
    --color-charcoal: #1a1a1a;
    --color-dark-gray: #2a2a2a;
    --color-medium-gray: #4a4a4a;
    --color-light-gray: #8a8a8a;
    --color-off-white: #f5f5f5;
    --color-white: #ffffff;
    --color-gold: #C9A962;
    --color-gold-light: #d4b978;
    --color-gold-dark: #b8954d;

    /* Typography */
    --font-heading: 'Cormorant Garamond', Georgia, serif;
    --font-body: 'Montserrat', 'Helvetica Neue', sans-serif;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    --spacing-xxl: 8rem;

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-medium: 0.3s ease;
    --transition-slow: 0.5s ease;

    /* Container */
    --container-max: 1400px;
    --container-padding: 2rem;
}

/* Reset & Base */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

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

body {
    font-family: var(--font-body);
    font-weight: 300;
    line-height: 1.7;
    color: var(--color-off-white);
    background-color: var(--color-black);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

ul {
    list-style: none;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 500;
    line-height: 1.2;
    letter-spacing: 0.02em;
}

h1 { font-size: clamp(2.5rem, 6vw, 4.5rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }
h4 { font-size: clamp(1.25rem, 2vw, 1.5rem); }

p {
    margin-bottom: 1rem;
}

.gold {
    color: var(--color-gold);
}

/* Container */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

/* Section */
.section {
    padding: var(--spacing-xl) 0;
}

.section-subtitle {
    font-family: var(--font-body);
    font-size: 0.875rem;
    font-weight: 500;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-gold);
    margin-bottom: var(--spacing-sm);
}

.section-title {
    margin-bottom: var(--spacing-md);
}

.text-center {
    text-align: center;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 1.5rem 0;
    transition: all var(--transition-medium);
}

.navbar.scrolled {
    background-color: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(10px);
    padding: 1rem 0;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

.nav-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1.25rem;
    background-color: rgba(10, 10, 10, 0.75);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(201, 169, 98, 0.2);
}

.logo-text {
    font-family: var(--font-heading);
    font-size: 2.25rem;
    font-weight: 700;
    color: var(--color-gold);
    letter-spacing: 0.1em;
}

.logo-divider {
    width: 2px;
    height: 28px;
    background-color: var(--color-gold);
    opacity: 0.6;
}

.logo-tagline {
    font-family: var(--font-body);
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-off-white);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 2.5rem;
    padding: 0.75rem 1.5rem;
    background-color: rgba(10, 10, 10, 0.75);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(201, 169, 98, 0.2);
}

.nav-menu a {
    font-size: 0.875rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--color-white);
    position: relative;
}

.nav-menu a:not(.btn)::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background-color: var(--color-gold);
    transition: width var(--transition-medium);
}

.nav-menu a:not(.btn):hover::after,
.nav-menu a:not(.btn).active::after {
    width: 100%;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.nav-toggle span {
    display: block;
    width: 28px;
    height: 2px;
    background-color: var(--color-off-white);
    transition: all var(--transition-fast);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.875rem 2rem;
    font-family: var(--font-body);
    font-size: 0.875rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    border: none;
    cursor: pointer;
    transition: all var(--transition-medium);
}

.btn svg {
    width: 18px;
    height: 18px;
}

.btn-gold {
    background-color: var(--color-gold);
    color: var(--color-black);
}

.btn-gold:hover {
    background-color: var(--color-gold-light);
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(201, 169, 98, 0.3);
}

.btn-outline {
    background-color: transparent;
    border: 1px solid var(--color-off-white);
    color: var(--color-off-white);
}

.btn-outline:hover {
    background-color: var(--color-off-white);
    color: var(--color-black);
}

.btn-large {
    padding: 1.125rem 2.5rem;
}

.btn-full {
    width: 100%;
}

/* Page Header */
.page-header {
    position: relative;
    height: 60vh;
    min-height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    overflow: hidden;
    padding-top: 100px;
}

.page-header-small {
    height: 50vh;
    min-height: 450px;
}

.page-header-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.page-header-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        to bottom,
        rgba(10, 10, 10, 0.3) 0%,
        rgba(10, 10, 10, 0.5) 50%,
        rgba(10, 10, 10, 0.9) 100%
    );
}

.page-header-content {
    position: relative;
    z-index: 1;
    padding: var(--spacing-lg);
    background-color: rgba(10, 10, 10, 0.55);
    backdrop-filter: blur(4px);
    border: 1px solid rgba(201, 169, 98, 0.3);
    max-width: 700px;
}

.page-header-content h1 {
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
}

.page-header-content p {
    font-size: 1.125rem;
    color: var(--color-off-white);
    margin-bottom: 0;
}

.page-header-content .section-subtitle {
    font-weight: 500;
}

/* CTA Section */
.cta {
    position: relative;
    min-height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    overflow: hidden;
}

.cta-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.cta-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        to bottom,
        rgba(10, 10, 10, 0.5) 0%,
        rgba(10, 10, 10, 0.6) 100%
    );
}

.cta-content {
    position: relative;
    z-index: 1;
    max-width: 700px;
    padding: var(--spacing-lg);
    background-color: rgba(10, 10, 10, 0.75);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(201, 169, 98, 0.2);
}

.cta-content h2 {
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
}

.cta-content p {
    font-size: 1.125rem;
    color: var(--color-off-white);
    margin-bottom: var(--spacing-md);
}

.cta-buttons {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
}

/* Footer */
.footer {
    background-color: var(--color-charcoal);
    padding: var(--spacing-xl) 0 var(--spacing-md);
    border-top: 1px solid var(--color-dark-gray);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.footer-brand p {
    color: var(--color-light-gray);
    margin-top: var(--spacing-sm);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.footer-links h4,
.footer-contact h4 {
    font-family: var(--font-body);
    font-size: 0.875rem;
    font-weight: 500;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-gold);
    margin-bottom: var(--spacing-sm);
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-links a {
    color: var(--color-light-gray);
    font-size: 0.9rem;
}

.footer-links a:hover {
    color: var(--color-gold);
}

.footer-contact p {
    color: var(--color-light-gray);
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

.footer-contact a {
    color: var(--color-off-white);
}

.footer-contact a:hover {
    color: var(--color-gold);
}

.footer-bottom {
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--color-dark-gray);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-bottom p {
    font-size: 0.875rem;
    color: var(--color-light-gray);
    margin-bottom: 0;
}

.footer-legal {
    display: flex;
    gap: 2rem;
}

.footer-legal a {
    font-size: 0.875rem;
    color: var(--color-light-gray);
}

.footer-legal a:hover {
    color: var(--color-gold);
}

.powered-by {
    width: 100%;
    text-align: center;
    font-size: 0.85rem;
    color: var(--color-light-gray);
    margin-top: var(--spacing-sm);
    padding-top: var(--spacing-sm);
    border-top: 1px solid var(--color-dark-gray);
}

.powered-by a {
    color: var(--color-light-gray);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.powered-by a:hover {
    color: var(--color-gold);
}

/* Form Styles */
.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    color: var(--color-off-white);
    margin-bottom: 0.5rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 1rem 1.25rem;
    font-family: var(--font-body);
    font-size: 1rem;
    color: var(--color-off-white);
    background-color: var(--color-dark-gray);
    border: 1px solid var(--color-medium-gray);
    border-radius: 0;
    transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-gold);
    box-shadow: 0 0 0 2px rgba(201, 169, 98, 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--color-light-gray);
}

.form-group select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%238a8a8a' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    background-size: 20px;
    cursor: pointer;
}

.form-group select option {
    background-color: var(--color-dark-gray);
    color: var(--color-off-white);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.checkbox-group {
    margin-bottom: 1rem;
}

.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    cursor: pointer;
    font-size: 0.9rem;
    color: var(--color-light-gray);
}

.checkbox-label input[type="checkbox"] {
    display: none;
}

.checkmark {
    flex-shrink: 0;
    width: 20px;
    min-width: 20px;
    height: 20px;
    min-height: 20px;
    border: 1px solid var(--color-medium-gray);
    background-color: var(--color-dark-gray);
    position: relative;
    transition: all var(--transition-fast);
    display: inline-block;
}

.checkbox-label input[type="checkbox"]:checked + .checkmark {
    background-color: var(--color-gold);
    border-color: var(--color-gold);
}

.checkbox-label input[type="checkbox"]:checked + .checkmark::after {
    content: '';
    position: absolute;
    left: 6px;
    top: 2px;
    width: 5px;
    height: 10px;
    border: solid var(--color-black);
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.form-divider {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin: 2rem 0;
    color: var(--color-gold);
    font-size: 0.875rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.form-divider::before,
.form-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background-color: var(--color-dark-gray);
}

.form-note {
    font-size: 0.875rem;
    color: var(--color-light-gray);
    text-align: center;
    margin-top: 1rem;
    margin-bottom: 0;
}

/* Modal */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-medium);
}

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

.modal {
    background-color: var(--color-charcoal);
    padding: 3rem;
    max-width: 500px;
    text-align: center;
    transform: scale(0.9);
    transition: transform var(--transition-medium);
}

.modal-overlay.active .modal {
    transform: scale(1);
}

.modal-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    background-color: var(--color-gold);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-icon svg {
    width: 40px;
    height: 40px;
    stroke: var(--color-black);
}

.modal h3 {
    margin-bottom: 1rem;
}

.modal p {
    color: var(--color-light-gray);
    margin-bottom: 0.5rem;
}

.modal .btn {
    margin-top: 1.5rem;
}

.modal-reference {
    font-size: 0.875rem;
    color: var(--color-gold);
    margin-top: 1rem;
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.8s ease forwards;
}

.fade-in:nth-child(1) { animation-delay: 0.1s; }
.fade-in:nth-child(2) { animation-delay: 0.2s; }
.fade-in:nth-child(3) { animation-delay: 0.3s; }
.fade-in:nth-child(4) { animation-delay: 0.4s; }

/* Responsive */
@media (max-width: 1024px) {
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 100%;
        max-width: 400px;
        height: 100vh;
        background-color: rgba(26, 26, 26, 0.95);
        backdrop-filter: blur(10px);
        border: none;
        border-left: 1px solid rgba(201, 169, 98, 0.2);
        flex-direction: column;
        justify-content: center;
        gap: 2rem;
        padding: 2rem;
        transition: right var(--transition-medium);
    }

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

    .nav-toggle {
        display: flex;
        z-index: 1001;
        padding: 0.75rem;
        background-color: rgba(10, 10, 10, 0.75);
        backdrop-filter: blur(8px);
        border: 1px solid rgba(201, 169, 98, 0.2);
    }

    .nav-toggle.active span:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }

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

    .nav-toggle.active span:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-md);
    }

    .form-row {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    :root {
        --container-padding: 1.25rem;
    }

    .section {
        padding: var(--spacing-lg) 0;
    }

    .page-header {
        height: auto;
        min-height: 400px;
        padding-top: 120px;
        padding-bottom: var(--spacing-lg);
    }

    .page-header-content {
        padding: var(--spacing-md);
        margin: 0 var(--spacing-sm);
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }

    .cta-buttons {
        flex-direction: column;
    }

    .btn-large {
        padding: 1rem 2rem;
    }
}

@media (max-width: 480px) {
    .logo-tagline {
        display: none;
    }

    .logo-divider {
        display: none;
    }
}