:root {
    --primary: #0f766e;
    /* Teal 700 */
    --primary-hover: #0d9488;
    /* Teal 600 */
    --dark: #0f172a;
    --light: #f8fafc;
    --gray: #64748b;
    --white: #ffffff;
    --shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --radius: 0.5rem;
}

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

body {
    font-family: 'Inter', sans-serif;
    color: var(--dark);
    background-color: var(--light);
    line-height: 1.6;
}

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
}

ul {
    list-style: none;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Header */
header {
    background: var(--white);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
}

nav ul {
    display: flex;
    gap: 2rem;
}

nav a {
    font-weight: 500;
    font-size: 1rem;
    color: var(--gray);
}

nav a:hover {
    color: var(--primary);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius);
    font-weight: 600;
    cursor: pointer;
    border: none;
}

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

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

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

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

.nav-btn {
    display: none;
}

@media(min-width: 768px) {
    .nav-btn {
        display: inline-block;
    }
}

/* Hero */
.hero {
    position: relative;
    height: 90vh;
    background-image: url('images/20240811_192628.jpg');
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    text-align: center;
    color: var(--white);
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(15, 23, 42, 0.55);
    /* Dark overlay */
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
}

.hero h1 {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.hero p {
    font-size: 1.25rem;
    margin-bottom: 2.5rem;
    color: #cbd5e1;
}

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

/* Services */
.services {
    padding: 5rem 0;
    background: var(--white);
}

.section-title {
    text-align: center;
    font-size: 2.25rem;
    margin-bottom: 3rem;
    color: var(--dark);
}

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

.service-card {
    padding: 2rem;
    background: var(--light);
    border-radius: var(--radius);
    text-align: center;
    transition: transform 0.3s ease;
}

.service-card:hover {
    transform: translateY(-5px);
}

.service-card .icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.service-card h3 {
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

/* Gallery */
.gallery {
    padding: 5rem 0;
}

.gallery-empty {
    max-width: 640px;
    margin: 0 auto;
    padding: 2.2rem 1.2rem;
    border-radius: var(--radius);
    text-align: center;
    background: var(--white);
    border: 1px dashed #94a3b8;
    box-shadow: var(--shadow);
}

.gallery-empty p {
    color: var(--gray);
    font-size: 1.05rem;
}

.carousel {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
}

.carousel-track {
    position: relative;
    height: 460px;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    background: #0f172a;
}

.carousel-slide {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0;
    z-index: 0;
    pointer-events: none;
    cursor: zoom-in;
    transform: scale(1.03);
    transition: opacity 0.55s ease, transform 0.75s ease;
}

.carousel-slide.is-active {
    opacity: 1;
    z-index: 1;
    pointer-events: auto;
    transform: scale(1);
}

.carousel-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 3;
    width: 2.75rem;
    height: 2.75rem;
    border: none;
    border-radius: 999px;
    background: rgba(2, 6, 23, 0.58);
    color: #ffffff;
    font-size: 1.35rem;
    line-height: 1;
    cursor: pointer;
}

.carousel-btn.prev {
    left: 0.85rem;
}

.carousel-btn.next {
    right: 0.85rem;
}

.carousel-btn:hover,
.carousel-btn:focus-visible {
    background: rgba(15, 118, 110, 0.92);
    transform: translateY(-50%) scale(1.08);
}

.carousel-dots {
    display: flex;
    justify-content: center;
    gap: 0.55rem;
    margin-top: 1rem;
}

.carousel-dot {
    width: 0.72rem;
    height: 0.72rem;
    border-radius: 999px;
    border: none;
    background: #94a3b8;
    cursor: pointer;
    transform: scale(1);
    transition: transform 0.2s ease, background-color 0.2s ease;
}

.carousel-dot.is-active {
    background: var(--primary);
    transform: scale(1.22);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 1.5rem;
}

.gallery-item {
    border-radius: var(--radius);
    overflow: hidden;
    height: 300px;
    /* Fixed height for consistency */
    box-shadow: var(--shadow);
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    cursor: zoom-in;
    transition: transform 0.5s ease;
}

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

/* Contact */
.contact {
    padding: 5rem 0;
    background: var(--dark);
    color: var(--white);
}

.contact-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.contact-info ul {
    margin-top: 2rem;
}

.contact-info li {
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.contact-info li strong {
    color: #e2e8f0;
}

.phone-link {
    display: inline-flex;
    align-items: center;
    padding: 0.35rem 0.7rem;
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, 0.25);
    color: #ffffff;
    font-weight: 700;
    letter-spacing: 0.01em;
}

.phone-link:hover,
.phone-link:focus-visible {
    color: #ffffff;
    background: var(--primary);
    border-color: var(--primary);
    transform: translateY(-1px);
    box-shadow: 0 10px 20px rgba(15, 118, 110, 0.35);
}

.contact-form {
    background: var(--white);
    padding: 2.5rem;
    border-radius: var(--radius);
    color: var(--dark);
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid #cbd5e1;
    border-radius: var(--radius);
    font-family: inherit;
    font-size: 1rem;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(15, 118, 110, 0.1);
}

.full-width {
    width: 100%;
}

/* Footer */
footer {
    background: #020617;
    color: #64748b;
    padding: 2rem 0;
    text-align: center;
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.footer-social {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.85rem;
}

.social-icon-btn {
    width: 2.8rem;
    height: 2.8rem;
    border-radius: 999px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    transform: scale(1);
    transition: transform 0.25s ease, filter 0.25s ease, box-shadow 0.25s ease;
}

.social-icon-btn svg {
    width: 1.2rem;
    height: 1.2rem;
    fill: currentColor;
}

.social-icon-btn.facebook {
    background: #1877f2;
}

.social-icon-btn.whatsapp {
    background: #25d366;
}

.social-icon-btn.facebook:hover,
.social-icon-btn.facebook:focus-visible {
    background: #0f5fd1;
}

.social-icon-btn.whatsapp:hover,
.social-icon-btn.whatsapp:focus-visible {
    background: #1fae57;
}

.social-icon-btn:hover,
.social-icon-btn:focus-visible {
    transform: scale(1.14);
    filter: brightness(1.08);
    box-shadow: 0 10px 24px rgba(0, 0, 0, 0.35);
}

/* Responsive */
@media (max-width: 768px) {
    nav {
        display: none;
        /* Implementation note: Mobile menu toggle would go here */
    }

    .hero h1 {
        font-size: 2.5rem;
    }

    .contact-container {
        grid-template-columns: 1fr;
    }

    .carousel-track {
        height: 300px;
    }

    .carousel-btn {
        width: 2.4rem;
        height: 2.4rem;
    }
}

html {
    scroll-behavior: smooth;
}

/* Lightbox */
.lightbox {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 2000;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.lightbox.active {
    opacity: 1;
    pointer-events: all;
}

.lightbox img {
    max-width: 90%;
    max-height: 90%;
    object-fit: contain;
    cursor: zoom-out;
    border-radius: var(--radius);
    box-shadow: 0 0 20px rgba(255, 255, 255, 0.1);
}

.lightbox-close {
    position: absolute;
    top: 2rem;
    right: 2rem;
    font-size: 3rem;
    color: white;
    cursor: pointer;
    line-height: 1;
}