/* --- Reset & Base --- */
:root {
    --color-primary: #0d9488; /* Teal */
    --color-primary-dark: #0f766e;
    --color-secondary: #334155; /* Slate Grey */
    --color-dark: #1e293b;
    --color-light: #f8fafc;
    --color-white: #ffffff;
    --font-heading: 'Montserrat', sans-serif;
    --font-body: 'Open Sans', sans-serif;
    --spacing-container: 1200px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    color: var(--color-dark);
    background-color: var(--color-light);
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
}

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

ul {
    list-style: none;
}

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

.container {
    max-width: var(--spacing-container);
    margin: 0 auto;
    padding: 0 20px;
}

/* --- Buttons --- */
.btn {
    display: inline-block;
    padding: 12px 28px;
    border-radius: 4px;
    font-family: var(--font-heading);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

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

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

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

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

.btn-full {
    width: 100%;
    text-align: center;
}

/* --- Navigation --- */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 20px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
}

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

.logo {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--color-dark);
    letter-spacing: -1px;
}

.logo .dot {
    color: var(--color-primary);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 30px;
}

.nav-links a {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--color-secondary);
}

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

.nav-cta {
    background-color: var(--color-primary);
    color: var(--color-white) !important;
    padding: 10px 20px;
    border-radius: 4px;
}

.nav-cta:hover {
    background-color: var(--color-primary-dark);
}

/* Mobile Menu Toggle */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    z-index: 1001;
}

.menu-toggle .bar {
    width: 25px;
    height: 3px;
    background-color: var(--color-dark);
    transition: all 0.3s ease;
}

/* Mobile Menu Overlay */
.mobile-menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background-color: var(--color-primary);
    z-index: 999;
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

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

.mobile-menu-content {
    text-align: center;
}

.mobile-link {
    display: block;
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-white);
    margin: 20px 0;
    transition: opacity 0.3s ease;
}

.mobile-link:hover {
    opacity: 0.7;
}

.mobile-cta {
    display: inline-block;
    margin-top: 20px;
    padding: 15px 40px;
    background-color: var(--color-white);
    color: var(--color-primary);
    font-family: var(--font-heading);
    font-weight: 700;
    border-radius: 4px;
}

/* --- Hero Section --- */
.hero {
    position: relative;
    height: 100vh;
    min-height: 700px;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
}

.hero-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(13, 148, 136, 0.85) 0%, rgba(51, 65, 85, 0.7) 100%);
    z-index: -1;
}

/* Geometric Shapes */
.geo-shape {
    position: absolute;
    z-index: 1;
}

.shape-1 {
    width: 300px;
    height: 300px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    top: -50px;
    right: 10%;
    animation: float 6s ease-in-out infinite;
}

.shape-2 {
    width: 150px;
    height: 150px;
    background-color: var(--color-primary);
    transform: rotate(45deg);
    bottom: 10%;
    left: 5%;
    animation: float 8s ease-in-out infinite reverse;
}

@keyframes float {
    0%, 100% { transform: translateY(0) rotate(45deg); }
    50% { transform: translateY(-20px) rotate(45deg); }
}

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

.tagline {
    display: inline-block;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.9rem;
    letter-spacing: 3px;
    color: var(--color-primary);
    background-color: rgba(255,255,255,0.2);
    padding: 8px 16px;
    border-radius: 4px;
    margin-bottom: 20px;
    text-transform: uppercase;
}

.hero h1 {
    font-size: clamp(2.5rem, 5vw, 4.5rem);
    color: var(--color-white);
    margin-bottom: 20px;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.2);
}

.hero p {
    font-size: 1.2rem;
    color: rgba(255,255,255,0.9);
    margin-bottom: 40px;
    max-width: 600px;
}

.hero-btns {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

/* --- Features Section --- */
.features {
    padding: 80px 0;
    background-color: var(--color-white);
    margin-top: -50px;
    position: relative;
    z-index: 10;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.feature-card {
    background-color: var(--color-light);
    padding: 40px 30px;
    border-radius: 8px;
    text-align: center;
    transition: all 0.3s ease;
    border-bottom: 4px solid transparent;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
    border-bottom-color: var(--color-primary);
}

.feature-icon {
    width: 60px;
    height: 60px;
    background-color: var(--color-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    color: var(--color-white);
}

.feature-card h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: var(--color-dark);
}

.feature-card p {
    color: var(--color-secondary);
    font-size: 0.95rem;
}

/* --- About Section --- */
.about {
    padding: 100px 0;
    background-color: var(--color-light);
    overflow: hidden;
}

.about-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-image-wrapper {
    position: relative;
}

.about-img-bg {
    position: absolute;
    top: 20px;
    left: 20px;
    width: 100%;
    height: 100%;
    background-color: var(--color-primary);
    border-radius: 8px;
    z-index: 0;
}

.about-img {
    position: relative;
    z-index: 1;
    border-radius: 8px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.15);
    width: 100%;
    height: 500px;
    object-fit: cover;
}

.about-content .section-tag {
    display: inline-block;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.85rem;
    letter-spacing: 2px;
    color: var(--color-primary);
    text-transform: uppercase;
    margin-bottom: 15px;
}

.about-content h2 {
    font-size: clamp(2rem, 3vw, 2.8rem);
    color: var(--color-dark);
    margin-bottom: 25px;
}

.about-content p {
    color: var(--color-secondary);
    margin-bottom: 20px;
    font-size: 1.05rem;
}

.about-list {
    margin-top: 30px;
}

.about-list li {
    display: flex;
    align-items: center;
    gap: 15px;
    font-family: var(--font-heading);
    font-weight: 600;
    color: var(--color-dark);
    margin-bottom: 15px;
}

.about-list li svg {
    color: var(--color-primary);
}

/* --- Services Section --- */
.services {
    padding: 100px 0;
    background-color: var(--color-white);
}

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

.section-header .section-tag {
    display: inline-block;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.85rem;
    letter-spacing: 2px;
    color: var(--color-primary);
    text-transform: uppercase;
    margin-bottom: 15px;
}

.section-header h2 {
    font-size: clamp(2rem, 3vw, 2.8rem);
    color: var(--color-dark);
    margin-bottom: 15px;
}

.section-header p {
    color: var(--color-secondary);
    font-size: 1.1rem;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 30px;
}

.service-card {
    background-color: var(--color-light);
    padding: 40px 30px;
    border-radius: 8px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background-color: var(--color-primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s ease;
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.1);
}

.service-card h3 {
    font-size: 1.4rem;
    color: var(--color-dark);
    margin-bottom: 15px;
}

.service-card p {
    color: var(--color-secondary);
    margin-bottom: 25px;
    font-size: 0.95rem;
}

.service-link {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.9rem;
    color: var(--color-primary);
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.service-link:hover {
    gap: 12px;
}

/* --- Contact Section --- */
.contact {
    padding: 100px 0;
    background-color: var(--color-secondary);
    color: var(--color-white);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.contact-info .section-tag {
    display: inline-block;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.85rem;
    letter-spacing: 2px;
    color: var(--color-primary);
    text-transform: uppercase;
    margin-bottom: 15px;
}

.contact-info h2 {
    font-size: clamp(2rem, 3vw, 2.8rem);
    margin-bottom: 20px;
}

.contact-info > p {
    color: rgba(255,255,255,0.8);
    margin-bottom: 40px;
    font-size: 1.1rem;
}

.info-item {
    display: flex;
    gap: 20px;
    margin-bottom: 30px;
}

.info-icon {
    width: 50px;
    height: 50px;
    background-color: rgba(255,255,255,0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: var(--color-primary);
}

.info-item strong {
    display: block;
    font-family: var(--font-heading);
    font-size: 1.1rem;
    margin-bottom: 5px;
}

.info-item p {
    color: rgba(255,255,255,0.8);
    font-size: 0.95rem;
    line-height: 1.6;
}

.info-item a {
    color: rgba(255,255,255,0.8);
}

.info-item a:hover {
    color: var(--color-primary);
}

.contact-form-wrapper {
    background-color: var(--color-white);
    padding: 40px;
    border-radius: 8px;
    color: var(--color-dark);
}

.contact-form h3 {
    font-size: 1.5rem;
    margin-bottom: 25px;
    color: var(--color-dark);
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: 8px;
    color: var(--color-dark);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid #e2e8f0;
    border-radius: 4px;
    font-family: var(--font-body);
    font-size: 1rem;
    transition: border-color 0.3s ease;
    background-color: var(--color-light);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    background-color: var(--color-white);
}

.form-status {
    margin-top: 15px;
    font-family: var(--font-heading);
    font-weight: 600;
    text-align: center;
}

.form-status.success {
    color: var(--color-primary);
}

/* --- Footer --- */
footer {
    background-color: var(--color-dark);
    color: var(--color-white);
    padding: 60px 0 30px;
}

.footer-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 30px;
}

.footer-logo a {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 800;
    color: var(--color-white);
}

.footer-logo p {
    color: rgba(255,255,255,0.6);
    margin-top: 10px;
}

.footer-links {
    display: flex;
    gap: 30px;
    flex-wrap: wrap;
    justify-content: center;
}

.footer-links a {
    color: rgba(255,255,255,0.8);
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.95rem;
}

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

.footer-copy {
    color: rgba(255,255,255,0.5);
    font-size: 0.85rem;
    margin-top: 20px;
    padding-top: 30px;
    border-top: 1px solid rgba(255,255,255,0.1);
    width: 100%;
}

.footer-copy p {
    margin-bottom: 5px;
}

/* --- Responsive --- */
@media (max-width: 992px) {
    .about-container {
        grid-template-columns: 1fr;
    }
    
    .about-image-wrapper {
        max-width: 500px;
        margin: 0 auto;
    }
    
    .contact-wrapper {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .menu-toggle {
        display: flex;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .hero-btns {
        flex-direction: column;
    }
    
    .hero-btns .btn {
        width: 100%;
        text-align: center;
    }
    
    .features {
        margin-top: 0;
    }
    
    .contact-form-wrapper {
        padding: 30px 20px;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 2rem;
    }
    
    .tagline {
        font-size: 0.75rem;
    }
    
    .about-img {
        height: 350px;
    }
}