/* Header & Navigation */
header {
    background-color: var(--bg-color);
    padding: 0.8rem;
    position: fixed;
    width: 100%;
    top: 0;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    transition: var(--transition);
}

header.sticky {
    padding: 0.5rem;
    background-color: rgba(255, 255, 255, 0.95);
}

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

.logo-container {
    max-width: 150px;
}

.logo-container img {
    width: 100%;
    height: auto;
    margin-top: 10px;
}

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

.nav-links li a {
    color: var(--text-color);
    text-decoration: none;
    font-weight: 500;
    position: relative;
    transition: var(--transition);
}

.nav-links li a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0%;
    height: 2px;
    background-color: var(--primary-color);
    transition: var(--transition);
}

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

.nav-links li a:hover::after,
.nav-links li a.active::after {
    width: 100%;
}

.hamburger {
    display: none;
    cursor: pointer;
    z-index: 1001;
    background: none;
    border: none;
    padding: 0.25rem;
}

.hamburger div {
    width: 25px;
    height: 3px;
    background-color: var(--text-color);
    margin: 5px;
    transition: var(--transition);
}

.overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

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

/* Breadcrumb */
.breadcrumb {
    padding: 1rem 1.5rem 0;
    max-width: 1400px;
    margin: var(--header-height) auto 0;
}

.breadcrumb ol {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    list-style: none;
    font-size: 0.9rem;
    color: var(--text-light);
}

.breadcrumb li + li::before {
    content: '›';
    margin-right: 0.5rem;
    color: var(--text-light);
}

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

.breadcrumb a:hover {
    text-decoration: underline;
}

.breadcrumb [aria-current="page"] {
    color: var(--text-color);
    font-weight: 500;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 30px;
    background-color: var(--primary-color);
    color: white;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    box-shadow: var(--shadow);
    transition: var(--transition);
    border: none;
    cursor: pointer;
    font-family: inherit;
    font-size: 1rem;
}

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

.btn-outline {
    background-color: transparent;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    box-shadow: none;
}

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

.btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

/* Section headers */
.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-header h2 {
    color: var(--primary-color);
    font-size: 2.5rem;
    margin-bottom: 1rem;
    position: relative;
    display: inline-block;
}

.section-header h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background-color: var(--primary-color);
}

.section-header p {
    color: var(--text-light);
    max-width: 700px;
    margin: 1.5rem auto 0;
}

/* Cards */
.services {
    background-color: var(--bg-light);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 2rem;
}

.service-card {
    background-color: white;
    border-radius: var(--radius);
    padding: 2rem;
    box-shadow: var(--shadow);
    transition: var(--transition);
    text-align: center;
}

.service-card:hover {
    transform: translateY(-10px);
}

.service-card i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.service-card .card-img {
    width: 80px;
    height: 80px;
    object-fit: contain;
    margin-bottom: 1rem;
}

.service-card h3 {
    margin-bottom: 1rem;
}

.service-card .card-link {
    display: inline-block;
    margin-top: 1rem;
    color: var(--primary-color);
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
}

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

/* About */
.about {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    align-items: center;
    gap: 4rem;
}

.about-img {
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
}

.about-img img {
    width: 100%;
    height: auto;
    display: block;
    transition: var(--transition);
}

.about-img:hover img {
    transform: scale(1.05);
}

.about-content h2 {
    color: var(--primary-color);
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

.about-content p {
    margin-bottom: 1rem;
    color: var(--text-light);
}

/* Contact */
.contact-info {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 4rem 1.5rem;
    border-radius: 15px;
    margin: 2rem 0;
    box-shadow: var(--shadow);
}

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

.contact-header h2 {
    font-size: 2.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.contact-header p {
    max-width: 600px;
    margin: 0 auto;
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.contact-item {
    display: flex;
    align-items: center;
    padding: 1.5rem;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius);
    transition: var(--transition);
    text-decoration: none;
    color: white;
}

.contact-item:hover,
.contact-item:focus-visible {
    background-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-5px);
}

.contact-item i {
    font-size: 2rem;
    margin-right: 1.5rem;
    flex-shrink: 0;
}

.contact-item h3 {
    font-size: 1rem;
    margin-bottom: 0.25rem;
}

.contact-item p {
    font-size: 0.95rem;
    opacity: 0.95;
}

.contact-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    align-items: stretch;
}

.contact-actions a {
    text-decoration: none;
}

.contact-actions .btn,
.contact-actions .btn-outline {
    background: white;
    color: var(--primary-color);
    border: 2px solid white;
    box-shadow: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    min-height: 48px;
}

.contact-actions .btn:hover,
.contact-actions .btn-outline:hover {
    background: rgba(255, 255, 255, 0.92);
    color: var(--secondary-color);
    border-color: white;
}

/* Contact form */
.contact-form-wrapper {
    margin-top: 3rem;
    background: white;
    border-radius: var(--radius);
    padding: 2.5rem;
    box-shadow: var(--shadow);
}

.hp-field {
    position: absolute;
    left: -9999px;
    width: 1px;
    height: 1px;
    overflow: hidden;
    opacity: 0;
    pointer-events: none;
}

.contact-form-wrapper h3 {
    color: var(--primary-color);
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.contact-form-wrapper > p {
    color: var(--text-light);
    margin-bottom: 2rem;
    font-size: 0.95rem;
}

.contact-form {
    display: grid;
    gap: 1.25rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.form-group label {
    font-weight: 500;
    font-size: 0.9rem;
}

.form-group .optional {
    font-weight: 400;
    color: var(--text-light);
    font-size: 0.85rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 0.75rem 1rem;
    border: 1px solid #ddd;
    border-radius: var(--radius);
    font-family: inherit;
    font-size: 1rem;
    transition: border-color 0.2s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--primary-color);
    outline: none;
    box-shadow: var(--focus-ring);
}

.form-group input.error,
.form-group select.error,
.form-group textarea.error {
    border-color: #e74c3c;
}

.form-error {
    color: #e74c3c;
    font-size: 0.8rem;
    min-height: 1rem;
}

.form-message {
    padding: 1rem 1.25rem;
    border-radius: var(--radius);
    font-size: 0.95rem;
    display: none;
}

.form-message.visible {
    display: block;
}

.form-message.success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.form-message.error {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

/* Accordion */
.accordion {
    max-width: 900px;
    margin: 0 auto;
}

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

.accordion-header {
    width: 100%;
    padding: 1.25rem 1.5rem;
    background: white;
    border: none;
    text-align: left;
    font-family: inherit;
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-color);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition);
}

.accordion-header:hover {
    color: var(--primary-color);
}

.accordion-header.active {
    color: var(--primary-color);
    background: var(--bg-light);
}

.accordion-header i {
    transition: transform 0.3s ease;
    color: var(--primary-color);
}

.accordion-header.active i {
    transform: rotate(180deg);
}

.accordion-body {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s ease;
}

.accordion-body-inner {
    padding: 0 1.5rem 1.25rem;
    color: var(--text-light);
    font-size: 0.95rem;
}

.accordion-note {
    text-align: center;
    margin-top: 2rem;
    font-size: 0.9rem;
    color: var(--text-light);
}

.accordion-note a {
    color: var(--primary-color);
}

/* Footer */
footer {
    background-color: #222;
    color: white;
    padding: 3rem 0;
    position: relative;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.footer-column h3 {
    font-size: 1.3rem;
    margin-bottom: 1.5rem;
    position: relative;
    padding-bottom: 0.5rem;
}

.footer-column h3::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 40px;
    height: 2px;
    background-color: var(--primary-color);
}

.footer-column p {
    margin-bottom: 1rem;
    color: #aaa;
}

.footer-column a {
    color: #aaa;
    text-decoration: none;
}

.footer-column a:hover {
    color: var(--primary-color);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    margin-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.9rem;
    color: #aaa;
}

/* Scroll to top */
.scroll-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--primary-color);
    color: white;
    border: none;
    cursor: pointer;
    box-shadow: var(--shadow);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 900;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
}

.scroll-top.visible {
    opacity: 1;
    visibility: visible;
}

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

/* Responsive */
@media (max-width: 1024px) {
    .about {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .about-img {
        max-width: 600px;
        margin: 0 auto;
    }
}

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        right: 0;
        top: 0;
        height: 100vh;
        background-color: white;
        width: 80%;
        max-width: 400px;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        padding: 2rem;
        transform: translateX(100%);
        transition: transform 0.4s ease-out;
        box-shadow: -5px 0 15px rgba(0, 0, 0, 0.1);
        z-index: 1000;
    }

    .nav-links.active {
        transform: translateX(0);
    }

    .nav-links li {
        margin: 1.5rem 0;
    }

    .hamburger {
        display: block;
    }

    .hamburger.active div:nth-child(1) {
        transform: rotate(-45deg) translate(-5px, 6px);
    }

    .hamburger.active div:nth-child(2) {
        opacity: 0;
    }

    .hamburger.active div:nth-child(3) {
        transform: rotate(45deg) translate(-5px, -6px);
    }

    .contact-header h2 {
        font-size: 2rem;
    }

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

@media (max-width: 576px) {
    .section-header h2 {
        font-size: 1.8rem;
    }

    .about-content h2 {
        font-size: 1.8rem;
    }

    .contact-item {
        flex-direction: column;
        text-align: center;
    }

    .contact-item i {
        margin-right: 0;
        margin-bottom: 1rem;
    }

    .btn {
        padding: 10px 20px;
        font-size: 0.9rem;
    }

    .services-grid {
        grid-template-columns: 1fr;
    }

    .service-card {
        padding: 1.5rem;
    }

    .footer-column h3 {
        font-size: 1.2rem;
    }

    .contact-actions {
        flex-direction: column;
    }

    .contact-actions .btn,
    .contact-actions .btn-outline {
        width: 100%;
    }

    .scroll-top {
        bottom: 1.25rem;
        right: 1.25rem;
    }
}