:root {
    --primary-color: #ffffff;
    --secondary-color: #FF3131;
    --background-color: #1A1D24;
    --card-bg: #242832;
    --text-color: #C5C6C7;
    --border-color: rgba(255, 255, 255, 0.1);
    --shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    --border-radius: 8px;
    --header-height: 120px;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: var(--header-height);
}

body {
    font-family: 'Inter', sans-serif;
    margin: 0;
    padding: 0;
    background-color: var(--background-color);
    color: var(--text-color);
    line-height: 1.6;
}

body {
    padding-top: var(--header-height);
}

* {
    box-sizing: border-box;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

section {
    padding: 80px 0;
}

section:nth-of-type(even) {
    background-color: var(--card-bg);
}

h1, h2, h3 {
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 20px;
}

a {
    color: var(--secondary-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: #ff5c5c;
}

.section-title {
    text-align: center;
    margin-bottom: 60px;
}

.section-title h2 {
    font-size: 2.5rem;
    position: relative;
    display: inline-block;
}

.section-title h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background-color: var(--secondary-color);
    border-radius: 2px;
}

.header {
    background-color: rgba(26, 29, 36, 0.8);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    height: var(--header-height);
    display: flex;
    align-items: center;
    position: fixed;
    width: 100%;
    top: 0;
    left: 0;
    z-index: 1000;
    border-bottom: 1px solid var(--border-color);
    transition: height 0.3s ease-in-out;
}

.header-content {
    display: flex;
    justify-content: space-evenly;
    align-items: center;
    width: 100%;
}

.header-right-container {
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
}

.logo img.logo-desktop {
    max-width: 150px; 
    height: auto;
    transition: opacity 0.3s ease-in-out;
}

.logo-mobile {
    display: none;
    max-width: 50px; 
    height: auto;
    position: relative;
    left: 45px;
}

.footer-logo img {
    max-width: 250px; 
    height: auto;
}

.header.header-scrolled {
    height: 60px;
    box-shadow: var(--shadow);
}

.header.header-scrolled .logo-desktop {
    opacity: 0;
    display: none;
}

.header.header-scrolled .logo-mobile {
    opacity: 1;
    display: block;
}

@media (max-width: 768px) {
    :root {
        --header-height: 60px;
    }

    .logo-desktop {
        display: none;
    }

    .logo-mobile {
        display: block;
    }
}

.nav-links {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    align-items: center;
    gap: 25px;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    font-size: 1rem;
    transition: color 0.3s ease;
}

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

.header-contact {
    background-color: var(--secondary-color);
    color: var(--primary-color);
    padding: 10px 20px;
    border-radius: var(--border-radius);
    font-weight: 700;
    text-decoration: none;
    transition: background-color 0.3s ease;
    white-space: nowrap;
}

.header-contact:hover {
    background-color: #e02b2b;
}

.mobile-nav-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 2rem;
    color: var(--primary-color);
    cursor: pointer;
    z-index: 1100;
}

#hero {
  position: relative;
  overflow: hidden;
  color: var(--primary-color);
  text-align: center;
  padding: 100px 0; 
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 50vh;
  z-index: 0;
}

#hero::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: linear-gradient(rgba(26, 29, 36, 0.7), rgba(26, 29, 36, 0.7)),
              url('assets/darwin-city.jpg') no-repeat center center / cover;
  filter: blur(5px); 
  z-index: -1;
}

#hero h1 {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 20px;
    color: var(--primary-color);
}

#hero h1 span {
    color: var(--secondary-color);
}

#hero p {
    font-size: 1.25rem;
    max-width: 700px;
    margin: 0 auto 30px;
    color: var(--text-color);
}

.btn {
    display: inline-block;
    background-color: var(--secondary-color);
    color: var(--primary-color);
    padding: 15px 30px;
    border-radius: var(--border-radius);
    text-decoration: none;
    font-weight: 700;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.btn:hover {
    background-color: #e02b2b;
    transform: translateY(-3px);
    box-shadow: 0 4px 10px rgba(255, 49, 49, 0.2);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    text-align: center;
}

.service-card {
    background-color: var(--card-bg);
    padding: 40px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid var(--border-color);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.3);
    border-color: rgba(255, 49, 49, 0.3);
}

.service-card .icon {
    font-size: 3rem;
    color: var(--secondary-color);
    margin-bottom: 20px;
}

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
}

.showcase-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
}

.showcase-item {
    position: relative;
    overflow: hidden;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

.showcase-item img {
    width: 100%;
    height: 100%;
    display: block;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.showcase-item:hover img {
    transform: scale(1.1);
}

.showcase-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(26, 29, 36, 0.95), transparent);
    color: var(--primary-color);
    padding: 40px 20px 20px;
    transform: translateY(100%);
    transition: transform 0.4s ease;
}

.showcase-item:hover .showcase-overlay {
    transform: translateY(0);
}

.showcase-overlay h4 {
    margin: 0 0 5px 0;
    font-size: 1.2rem;
}

.showcase-overlay p {
    margin: 0;
    font-size: 0.9rem;
    color: var(--text-color);
}

.facebook-cta {
    text-align: center;
    margin-top: 50px;
}

.facebook-cta p {
    font-size: 1.1rem;
    margin-bottom: 20px;
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    align-items: flex-start;
}

.contact-info {
    display: flex;
    flex-direction: column;
}

.contact-info h3 {
    font-size: 1.8rem;
    margin: 0;
}

.contact-info p {
    font-size: 1.1rem;
    margin-bottom: 30px;
}

.contact-details {
    padding: 0;
}

.contact-details li {
    list-style: none;
    display: flex;
    align-items: center;
    margin-bottom: 20px;
    font-size: 1.1rem;
}

.contact-details li i {
    font-size: 1.5rem;
    color: var(--secondary-color);
    margin-right: 15px;
    width: 30px;
    text-align: center;
}

.contact-form {
    padding-top: 10px;
}

.contact-form form {
    display: grid;
    gap: 20px;
}

.contact-form input, .contact-form textarea {
    width: 100%;
    padding: 15px;
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-family: 'Inter', sans-serif;
    font-size: 1rem;
    color: var(--text-color);
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.contact-form input::placeholder, .contact-form textarea::placeholder {
    color: #888;
}

.contact-form input:focus, .contact-form textarea:focus {
    outline: none;
    border-color: var(--secondary-color);
    box-shadow: 0 0 0 3px rgba(255, 49, 49, 0.2);
}

.contact-form textarea {
    resize: vertical;
    min-height: 150px;
}

.contact-form .btn {
    border: none;
    cursor: pointer;
    width: 100%;
}

.footer {
    background-color: var(--card-bg);
    color: var(--text-color);
    text-align: center;
    padding: 40px 0;
    border-top: 1px solid var(--border-color);
}

.footer .logo {
        color: var(--primary-color);
        display: block;
        margin-bottom: 20px;
}

.footer-socials a {
    color: var(--primary-color);
    font-size: 1.5rem;
    margin: 0 15px;
    transition: color 0.3s ease;
}

.footer-socials a:hover {
    color: var(--secondary-color);
}

.footer p {
    margin: 20px 0 0;
    opacity: 0.7;
    font-size: 0.9rem;
}

@media (max-width: 992px) {
    .mobile-nav-toggle {
        display: block;
    }

    .nav-links {
        position: fixed;
        top: var(--header-height);
        left: 0;
        width: 100%;
        height: calc(100vh - var(--header-height));
        background-color: var(--card-bg);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 40px;
        transform: translateX(-100%);
        transition: transform 0.3s ease-in-out;
    }

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

    .nav-links a {
        font-size: 1.5rem;
    }

    .header-content .nav-links {
        display: flex;
    }
    #hero h1 {
        font-size: 2.5rem;
    }
}

@media (max-width: 768px) {
    section {
        padding: 60px 0;
    }
    #hero {
        padding: 60px 0;
    }
    .header-content {
        padding: 0 20px;
    }
    .logo-mobile {
        left: 0;
    }
    #hero h1 {
        font-size: 2.2rem;
    }
    #hero p {
        font-size: 1.1rem;
    }
    .contact-wrapper {
        grid-template-columns: 1fr;
    }
    .contact-info {
        text-align: center;
    }
    .contact-details {
        padding: 0;
    }
    .contact-details li {
        justify-content: center;
    }
}