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

html {
    scroll-behavior: smooth;
}

body {
    font-family: Inter, system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
    line-height: 1.6;
    color: #1A1F2B;
    background-color: #F7F9FC;
}

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

/* CSS Variables */
:root {
    --color-primary: #0E2A47;
    --color-accent: #F5B544;
    --color-neutral: #F7F9FC;
    --color-text: #1A1F2B;
    --color-text-light: #6B7280;
    --color-white: #FFFFFF;
    --color-border: #E5E7EB;
    
    --container-width: 1200px;
    --border-radius: 12px;
    --transition: 200ms ease-in-out;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

/* Utility Classes */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 1rem;
}

.section {
    padding: 5rem 0;
}

@media (max-width: 768px) {
    .section {
        padding: 3rem 0;
    }
}

.section__header {
    text-align: center;
    margin-bottom: 3rem;
}

.section__title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 1rem;
}

.section__description {
    font-size: 1.125rem;
    color: var(--color-text-light);
    max-width: 600px;
    margin: 0 auto;
}

@media (max-width: 768px) {
    .section__title {
        font-size: 2rem;
    }
    
    .section__description {
        font-size: 1rem;
    }
}

/* Button Styles */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 1rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: all var(--transition);
    position: relative;
    overflow: hidden;
}

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

.btn--primary:hover {
    background-color: #E6A335;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn--primary::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.3s ease, height 0.3s ease;
}

.btn--primary:hover::before {
    width: 100%;
    height: 100%;
}

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

.btn--secondary:hover {
    background-color: var(--color-white);
    color: var(--color-primary);
    transform: translateY(-2px);
}

.btn--full {
    width: 100%;
}

/* Header & Navigation */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(14, 42, 71, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    transition: all var(--transition);
}

.header--scrolled {
    background-color: rgba(14, 42, 71, 0.98);
    box-shadow: var(--shadow-md);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 0;
}

.nav__logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-white);
    text-decoration: none;
}

.nav__list {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav__link {
    color: var(--color-white);
    text-decoration: none;
    font-weight: 500;
    transition: color var(--transition);
    position: relative;
}

.nav__link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-accent);
    transition: width var(--transition);
}

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

.nav__link:hover,
.nav__link--active {
    color: var(--color-accent);
}

/* Mobile Navigation */
.nav__toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    cursor: pointer;
    padding: 8px;
}

.nav__toggle span {
    width: 25px;
    height: 2px;
    background-color: var(--color-white);
    transition: all var(--transition);
}

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

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

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

@media (max-width: 768px) {
    .nav__toggle {
        display: flex;
    }
    
    .nav__menu {
        position: fixed;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: var(--color-primary);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition);
    }
    
    .nav__menu--active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .nav__list {
        flex-direction: column;
        padding: 2rem 1rem;
        gap: 1rem;
    }
    
    .nav__link {
        font-size: 1.125rem;
        padding: 0.5rem 0;
    }
}

/* Hero Section */
.hero {
    min-height: 80vh;
    display: flex;
    align-items: center;
    position: relative;
    background: linear-gradient(135deg, var(--color-primary) 0%, #1A4B75 100%);
    color: var(--color-white);
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 1000"><defs><pattern id="grid" width="50" height="50" patternUnits="userSpaceOnUse"><path d="M 50 0 L 0 0 0 50" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="1"/></pattern></defs><rect width="100%" height="100%" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
}

.hero__container {
    position: relative;
    z-index: 1;
    text-align: center;
}

.hero__content {
    max-width: 800px;
    margin: 0 auto;
    animation: fadeInUp 1s ease-out;
}

.hero__title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.hero__description {
    font-size: 1.25rem;
    margin-bottom: 2.5rem;
    opacity: 0.9;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

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

.hero__scroll {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
}

.scroll-icon {
    width: 2rem;
    height: 3rem;
    border: 2px solid rgba(255, 255, 255, 0.5);
    border-radius: 2rem;
    position: relative;
    cursor: pointer;
}

.scroll-dot {
    width: 4px;
    height: 4px;
    background-color: rgba(255, 255, 255, 0.8);
    border-radius: 50%;
    position: absolute;
    left: 50%;
    top: 8px;
    transform: translateX(-50%);
    animation: scroll 2s infinite;
}

@keyframes scroll {
    0%, 20% { opacity: 0; }
    50% { opacity: 1; }
    100% { opacity: 0; transform: translateX(-50%) translateY(20px); }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (max-width: 768px) {
    .hero__buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .hero__buttons .btn {
        min-width: 200px;
    }
}

/* About Section */
.about {
    background-color: var(--color-white);
}

.about__features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.feature {
    text-align: center;
    padding: 2rem;
    border-radius: var(--border-radius);
    background-color: var(--color-neutral);
    transition: all var(--transition);
}

.feature:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.feature__icon {
    width: 4rem;
    height: 4rem;
    margin: 0 auto 1.5rem;
    background-color: var(--color-accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
}

.feature__icon svg {
    width: 2rem;
    height: 2rem;
}

.feature__title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--color-primary);
}

.feature__description {
    color: var(--color-text-light);
}

/* Services Section */
.services {
    background-color: var(--color-neutral);
}

.services__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.service-card {
    background-color: var(--color-white);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition);
    border: 1px solid var(--color-border);
}

.service-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.service-card__icon {
    width: 3.5rem;
    height: 3.5rem;
    background-color: var(--color-accent);
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    color: var(--color-primary);
}

.service-card__icon svg {
    width: 1.75rem;
    height: 1.75rem;
}

.service-card__title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--color-primary);
}

.service-card__description {
    color: var(--color-text-light);
    line-height: 1.6;
}

/* Fleet Section */
.fleet {
    background-color: var(--color-white);
}

.fleet__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.fleet-item {
    position: relative;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition);
    cursor: pointer;
    background-color: var(--color-neutral);
}

.fleet-item:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-lg);
}

.fleet-item__image {
    height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(45deg, var(--color-primary), #1A4B75);
    color: var(--color-white);
    position: relative;
}

.placeholder-image {
    font-size: 1.125rem;
    font-weight: 600;
    text-align: center;
}

.fleet-item__label {
    padding: 1rem;
    text-align: center;
    font-weight: 600;
    color: var(--color-primary);
    background-color: var(--color-white);
}

/* Why Us Section */
.why-us {
    background-color: var(--color-neutral);
}

.why-us__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.why-item {
    background-color: var(--color-white);
    padding: 2rem;
    border-radius: var(--border-radius);
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition);
}

.why-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.why-item__icon {
    width: 4rem;
    height: 4rem;
    background-color: var(--color-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    color: var(--color-white);
}

.why-item__icon svg {
    width: 2rem;
    height: 2rem;
}

.why-item__title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--color-primary);
}

.why-item__description {
    color: var(--color-text-light);
}

/* Reviews Section */
.reviews {
    background-color: var(--color-white);
}

.reviews__slider {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    animation: slideReviews 20s infinite linear;
}

.review-card {
    background-color: var(--color-neutral);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition);
}

.review-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.review-card__rating {
    margin-bottom: 1rem;
}

.star {
    color: var(--color-accent);
    font-size: 1.25rem;
    margin-right: 0.25rem;
}

.review-card__text {
    color: var(--color-text);
    margin-bottom: 1.5rem;
    font-style: italic;
    line-height: 1.6;
}

.review-card__author {
    font-weight: 600;
    color: var(--color-primary);
    text-align: right;
}

@media (max-width: 768px) {
    .reviews__slider {
        grid-template-columns: 1fr;
    }
}

/* FAQ Section */
.faq {
    background-color: var(--color-neutral);
}

.faq__list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background-color: var(--color-white);
    border-radius: var(--border-radius);
    margin-bottom: 1rem;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.faq-item__question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem;
    cursor: pointer;
    transition: background-color var(--transition);
}

.faq-item__question:hover {
    background-color: var(--color-neutral);
}

.faq-item__question h3 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-primary);
    margin: 0;
}

.faq-item__toggle {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--color-primary);
    transition: transform var(--transition);
}

.faq-item__toggle svg {
    width: 1.5rem;
    height: 1.5rem;
}

.faq-item--active .faq-item__toggle {
    transform: rotate(180deg);
}

.faq-item__answer {
    padding: 0 1.5rem;
    max-height: 0;
    overflow: hidden;
    transition: all var(--transition);
}

.faq-item--active .faq-item__answer {
    padding: 0 1.5rem 1.5rem;
    max-height: 200px;
}

.faq-item__answer p {
    color: var(--color-text-light);
    line-height: 1.6;
}

/* Contact Section */
.contact {
    background-color: var(--color-white);
}

.contact__form-container {
    max-width: 600px;
    margin: 0 auto;
}

.contact__form {
    background-color: var(--color-neutral);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
}

.form-group {
    margin-bottom: 1.5rem;
}

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

@media (max-width: 480px) {
    .form-row {
        grid-template-columns: 1fr;
    }
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--color-primary);
}

.form-input {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid var(--color-border);
    border-radius: var(--border-radius);
    font-size: 1rem;
    transition: border-color var(--transition);
    background-color: var(--color-white);
}

.form-input:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(245, 181, 68, 0.1);
}

.form-textarea {
    resize: vertical;
    min-height: 120px;
}

.form-message {
    margin-top: 1rem;
    padding: 1rem;
    border-radius: var(--border-radius);
    display: none;
}

.form-message--success {
    background-color: #D1FAE5;
    color: #065F46;
    border: 1px solid #34D399;
}

.form-message--error {
    background-color: #FEE2E2;
    color: #991B1B;
    border: 1px solid #F87171;
}

/* Footer */
.footer {
    background-color: var(--color-primary);
    color: var(--color-white);
    padding: 3rem 0 1rem;
}

.footer__content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-bottom: 2rem;
}

@media (max-width: 768px) {
    .footer__content {
        grid-template-columns: 1fr;
        text-align: center;
    }
}

.footer__brand h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.footer__brand p {
    opacity: 0.8;
}

.footer__list {
    display: flex;
    list-style: none;
    gap: 1.5rem;
    flex-wrap: wrap;
}

@media (max-width: 768px) {
    .footer__list {
        justify-content: center;
    }
}

.footer__link {
    color: var(--color-white);
    text-decoration: none;
    opacity: 0.8;
    transition: opacity var(--transition);
}

.footer__link:hover {
    opacity: 1;
}

.footer__bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.875rem;
    opacity: 0.8;
}

@media (max-width: 768px) {
    .footer__bottom {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
}

.privacy-link {
    background: none;
    border: none;
    color: var(--color-white);
    text-decoration: underline;
    cursor: pointer;
    opacity: 0.8;
    transition: opacity var(--transition);
}

.privacy-link:hover {
    opacity: 1;
}

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 48px;
    height: 48px;
    background-color: var(--color-accent);
    color: var(--color-primary);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    box-shadow: var(--shadow-lg);
    transition: all var(--transition);
    transform: translateY(100px);
    opacity: 0;
    z-index: 999;
}

.back-to-top.show {
    transform: translateY(0);
    opacity: 1;
}

.back-to-top:hover {
    background-color: var(--color-primary);
    color: var(--color-white);
    transform: translateY(-4px);
}

.back-to-top svg {
    width: 24px;
    height: 24px;
}

/* Lightbox Modal */
.lightbox {
    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);
}

.lightbox.active {
    opacity: 1;
    visibility: visible;
}

.lightbox__content {
    background-color: var(--color-white);
    border-radius: var(--border-radius);
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    margin: 1rem;
}

.lightbox__close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background-color: var(--color-primary);
    color: var(--color-white);
    border: none;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1;
}

.lightbox__close svg {
    width: 20px;
    height: 20px;
}

.lightbox__image {
    height: 250px;
    background: linear-gradient(45deg, var(--color-primary), #1A4B75);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    font-size: 1.5rem;
    font-weight: 600;
}

.lightbox__info {
    padding: 2rem;
}

.lightbox__info h3 {
    color: var(--color-primary);
    margin-bottom: 1rem;
}

.lightbox__info p {
    color: var(--color-text-light);
    line-height: 1.6;
}

/* Privacy Modal */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition);
}

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

.modal__content {
    background-color: var(--color-white);
    border-radius: var(--border-radius);
    max-width: 600px;
    max-height: 80vh;
    overflow-y: auto;
    margin: 1rem;
    position: relative;
}

.modal__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem;
    border-bottom: 1px solid var(--color-border);
}

.modal__header h3 {
    color: var(--color-primary);
    margin: 0;
}

.modal__close {
    background: none;
    border: none;
    color: var(--color-text-light);
    cursor: pointer;
    padding: 0.5rem;
}

.modal__close svg {
    width: 24px;
    height: 24px;
}

.modal__body {
    padding: 1.5rem;
}

.modal__body h4 {
    color: var(--color-primary);
    margin: 1.5rem 0 0.5rem;
}

.modal__body ul {
    margin: 0.5rem 0 0 1.5rem;
}

.modal__body li {
    margin-bottom: 0.25rem;
    color: var(--color-text-light);
}

/* Animations */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s ease-out;
}

.fade-in.in-view {
    opacity: 1;
    transform: translateY(0);
}

/* Focus Styles for Accessibility */
*:focus {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

button:focus,
.btn:focus,
input:focus,
textarea:focus,
select:focus {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

/* High Contrast Mode Support */
@media (prefers-contrast: high) {
    :root {
        --color-border: #000000;
        --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
        --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.3);
        --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.3);
    }
}

/* Reduced Motion Support */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .scroll-dot {
        animation: none;
    }
}

/* Print Styles */
@media print {
    .header,
    .nav__toggle,
    .back-to-top,
    .lightbox,
    .modal {
        display: none !important;
    }
    
    .hero {
        min-height: auto;
        padding: 2rem 0;
    }
    
    .section {
        padding: 1rem 0;
        break-inside: avoid;
    }
    
    body {
        background: white !important;
        color: black !important;
    }
}