/* =========================================
   VARIABLES & DESIGN SYSTEM
========================================= */
:root {
    /* Colors */
    --clr-primary: #0A2540;      /* Deep Blue */
    --clr-secondary: #008080;    /* Teal / Aqua Green */
    --clr-accent: #00D2D3;       /* Bright Aqua */
    --clr-dark: #051322;         /* Darkest Blue */
    --clr-light: #F4F7F6;        /* Off White */
    --clr-white: #FFFFFF;
    --clr-text: #4A5568;
    --clr-text-light: #A0AEC0;
    
    /* Typography */
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
    
    /* Spacing */
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 2rem;
    --space-xl: 4rem;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.6s cubic-bezier(0.16, 1, 0.3, 1);
    
    /* Shadows */
    --shadow-sm: 0 4px 6px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 10px 20px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 20px 40px rgba(10, 37, 64, 0.15);
    --shadow-glow: 0 0 20px rgba(0, 210, 211, 0.4);
}

/* =========================================
   RESET & BASE
========================================= */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-body);
    color: var(--clr-text);
    background-color: var(--clr-white);
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--clr-primary);
    line-height: 1.2;
    margin-bottom: var(--space-md);
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition-normal);
}

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

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 20px;
}

.section-padding {
    padding: 100px 0;
}

.text-center { text-align: center; }
.text-white { color: var(--clr-white) !important; }
.text-accent { color: var(--clr-accent) !important; }
.bg-light { background-color: var(--clr-light); }
.bg-dark { background-color: var(--clr-dark); }

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 28px;
    border-radius: 50px;
    font-weight: 600;
    font-family: var(--font-heading);
    cursor: pointer;
    transition: var(--transition-normal);
    border: none;
    outline: none;
    gap: 10px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--clr-secondary), var(--clr-accent));
    color: var(--clr-white);
    box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
    color: var(--clr-white);
}

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

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

.btn-block {
    width: 100%;
}

/* Section Headers */
.section-badge {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(0, 128, 128, 0.1);
    color: var(--clr-secondary);
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 15px;
}

.section-badge.badge-light {
    background: rgba(255, 255, 255, 0.1);
    color: var(--clr-accent);
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 2rem;
}

/* =========================================
   NAVBAR
========================================= */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 20px 0;
    z-index: 1000;
    transition: var(--transition-normal);
}

.navbar.scrolled {
    background: rgba(10, 37, 64, 0.95);
    backdrop-filter: blur(10px);
    padding: 15px 0;
    box-shadow: var(--shadow-sm);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--clr-white);
    display: flex;
    align-items: center;
    gap: 8px;
}

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

.nav-links a {
    color: var(--clr-white);
    font-weight: 500;
    font-size: 0.95rem;
    position: relative;
}

.nav-links a:not(.btn)::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--clr-accent);
    transition: var(--transition-normal);
}

.nav-links a:not(.btn):hover::after {
    width: 100%;
}

.hamburger {
    display: none;
    color: var(--clr-white);
    font-size: 1.5rem;
    cursor: pointer;
}

/* =========================================
   HERO SECTION
========================================= */
.hero {
    position: relative;
    height: 100vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    overflow: hidden;
}

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

.hero-slider .slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    background-attachment: fixed; /* Parallax effect */
    opacity: 0;
    animation: slideFade 20s infinite;
}

.hero-slider .slide:nth-child(1) { animation-delay: 0s; }
.hero-slider .slide:nth-child(2) { animation-delay: 5s; }
.hero-slider .slide:nth-child(3) { animation-delay: 10s; }
.hero-slider .slide:nth-child(4) { animation-delay: 15s; }

@keyframes slideFade {
    0% { opacity: 0; transform: scale(1.05); }
    5% { opacity: 1; transform: scale(1.05); }
    25% { opacity: 1; transform: scale(1); }
    30% { opacity: 0; transform: scale(1); }
    100% { opacity: 0; transform: scale(1.05); }
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    /* Removed heavy colored gradient, keeping a subtle dark tint for text readability */
    background: rgba(0, 0, 0, 0.4);
    z-index: -1;
}

.hero-content {
    color: var(--clr-white);
    max-width: 800px;
    position: relative;
    z-index: 1;
}

.hero-title {
    color: var(--clr-white);
    font-size: clamp(3rem, 5vw, 5rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: rgba(255,255,255,0.9);
    margin-bottom: 2.5rem;
    max-width: 600px;
}

.hero-cta {
    display: flex;
    gap: 15px;
}

@keyframes slowZoom {
    0% { transform: scale(1); }
    100% { transform: scale(1.1); }
}

/* =========================================
   ABOUT SECTION
========================================= */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-img {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.about-img::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(10,37,64,0.4), transparent);
}

.counters {
    display: flex;
    gap: 40px;
    margin-top: 40px;
    padding-top: 30px;
    border-top: 1px solid rgba(0,0,0,0.1);
}

.counter-item {
    display: flex;
    flex-direction: column;
}

.counter-num {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--clr-secondary);
    font-family: var(--font-heading);
    line-height: 1;
}

.counter-label {
    font-size: 0.9rem;
    color: var(--clr-text-light);
    font-weight: 600;
    text-transform: uppercase;
    margin-top: 5px;
}

/* =========================================
   SERVICES SECTION
========================================= */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.service-card {
    background: var(--clr-white);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-normal);
    position: relative;
    display: flex;
    flex-direction: column;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.service-img {
    height: 200px;
    background-size: cover;
    background-position: center;
    position: relative;
}

.service-img::after {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(10,37,64,0.3);
    transition: var(--transition-normal);
}

.service-card:hover .service-img::after {
    background: rgba(10,37,64,0.1);
}

.service-content {
    padding: 30px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.service-icon {
    width: 60px;
    height: 60px;
    background: var(--clr-light);
    color: var(--clr-secondary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-top: -60px;
    margin-bottom: 20px;
    position: relative;
    z-index: 2;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-normal);
}

.service-card:hover .service-icon {
    background: var(--clr-secondary);
    color: var(--clr-white);
    transform: scale(1.1);
}

.service-content h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
}

.service-content p {
    color: var(--clr-text-light);
    font-size: 0.95rem;
    margin-bottom: 20px;
    flex-grow: 1;
}

.learn-more {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--clr-secondary);
    font-weight: 600;
    font-size: 0.9rem;
}

.learn-more:hover {
    color: var(--clr-primary);
    gap: 12px;
}

/* =========================================
   PROJECTS SECTION
========================================= */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.project-card {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    cursor: pointer;
    aspect-ratio: 4/3;
}

.project-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.project-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(10,37,64,0.9) 0%, transparent 100%);
    display: flex;
    align-items: flex-end;
    padding: 30px;
    opacity: 0.8;
    transition: var(--transition-normal);
}

.project-card:hover img {
    transform: scale(1.1);
}

.project-card:hover .project-overlay {
    opacity: 1;
}

.project-info span {
    color: var(--clr-accent);
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.project-info h3 {
    color: var(--clr-white);
    margin-bottom: 0;
    margin-top: 5px;
    font-size: 1.5rem;
    transform: translateY(10px);
    opacity: 0;
    transition: var(--transition-normal);
}

.project-card:hover .project-info h3 {
    transform: translateY(0);
    opacity: 1;
}

/* =========================================
   PROCESS SECTION
========================================= */
.process-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 30px;
    position: relative;
}

.step {
    text-align: center;
    position: relative;
    padding: 20px;
}

.step-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    background: rgba(255,255,255,0.05);
    border: 2px dashed rgba(0,210,211,0.3);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--clr-accent);
    transition: var(--transition-normal);
}

.step:hover .step-icon {
    background: var(--clr-accent);
    color: var(--clr-dark);
    border-style: solid;
    transform: scale(1.1);
}

.step h3 {
    color: var(--clr-white);
    font-size: 1.2rem;
}

.step p {
    color: rgba(255,255,255,0.7);
    font-size: 0.9rem;
}

/* =========================================
   TESTIMONIALS SECTION
========================================= */
.testimonial-container {
    max-width: 800px;
    margin: 0 auto;
}

.testimonial-card {
    background: var(--clr-white);
    padding: 40px;
    border-radius: 20px;
    box-shadow: var(--shadow-md);
    text-align: center;
    position: relative;
}

.quote-icon {
    font-size: 2.5rem;
    color: rgba(0,128,128,0.2);
    margin-bottom: 20px;
}

.testimonial-text {
    font-size: 1.2rem;
    font-style: italic;
    color: var(--clr-text);
    margin-bottom: 30px;
}

.author-info h4 {
    margin-bottom: 5px;
}

.author-info span {
    color: var(--clr-secondary);
    font-size: 0.9rem;
}

/* =========================================
   CONTACT SECTION
========================================= */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.contact-details {
    margin-top: 40px;
}

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

.detail-item .icon {
    width: 50px;
    height: 50px;
    background: var(--clr-light);
    color: var(--clr-secondary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.detail-item h4 {
    margin-bottom: 5px;
    font-size: 1.1rem;
}

.detail-item p {
    color: var(--clr-text-light);
}

.contact-form-container {
    background: var(--clr-white);
    padding: 40px;
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
}

.form-group {
    position: relative;
    margin-bottom: 25px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 15px 20px;
    background: var(--clr-light);
    border: 2px solid transparent;
    border-radius: 10px;
    font-family: inherit;
    font-size: 1rem;
    color: var(--clr-text);
    outline: none;
    transition: var(--transition-normal);
}

.form-group textarea {
    resize: vertical;
}

.form-group label {
    position: absolute;
    left: 20px;
    top: 15px;
    color: var(--clr-text-light);
    pointer-events: none;
    transition: var(--transition-normal);
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--clr-secondary);
    background: var(--clr-white);
}

.form-group input:focus ~ label,
.form-group input:not(:placeholder-shown) ~ label,
.form-group textarea:focus ~ label,
.form-group textarea:not(:placeholder-shown) ~ label {
    top: -10px;
    left: 10px;
    font-size: 0.8rem;
    padding: 0 5px;
    background: var(--clr-white);
    color: var(--clr-secondary);
    font-weight: 600;
}

.form-message {
    margin-top: 15px;
    text-align: center;
    font-weight: 600;
}
.form-message.success { color: #28a745; }
.form-message.error { color: #dc3545; }

/* =========================================
   FOOTER
========================================= */
.footer {
    background: var(--clr-dark);
    color: rgba(255,255,255,0.7);
    padding: 80px 0 20px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 60px;
}

.footer-brand .logo {
    margin-bottom: 20px;
    display: inline-flex;
}

.footer-desc {
    margin-bottom: 25px;
    max-width: 400px;
}

.social-links {
    display: flex;
    gap: 15px;
}

.social-links a {
    width: 40px;
    height: 40px;
    background: rgba(255,255,255,0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    color: var(--clr-white);
}

.social-links a:hover {
    background: var(--clr-accent);
    color: var(--clr-dark);
    transform: translateY(-3px);
}

.footer-links h4 {
    color: var(--clr-white);
    margin-bottom: 20px;
}

.footer-links ul {
    list-style: none;
}

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a:hover {
    color: var(--clr-accent);
    padding-left: 5px;
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255,255,255,0.1);
    font-size: 0.9rem;
}

/* =========================================
   ANIMATIONS & UTILITIES
========================================= */
.reveal-up {
    opacity: 0;
    transform: translateY(30px);
    transition: var(--transition-slow);
}
.reveal-left {
    opacity: 0;
    transform: translateX(-30px);
    transition: var(--transition-slow);
}
.reveal-right {
    opacity: 0;
    transform: translateX(30px);
    transition: var(--transition-slow);
}
.reveal-text {
    opacity: 0;
    transform: translateY(20px);
    transition: var(--transition-slow);
}

.active.reveal-up,
.active.reveal-left,
.active.reveal-right,
.active.reveal-text {
    opacity: 1;
    transform: translate(0, 0);
}

.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.4s; }

/* =========================================
   RESPONSIVE DESIGN
========================================= */
@media (max-width: 992px) {
    .about-grid, .contact-grid {
        grid-template-columns: 1fr;
    }
    .about-img {
        order: -1;
    }
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .hamburger {
        display: block;
    }
    .nav-links {
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: rgba(10,37,64,0.98);
        flex-direction: column;
        padding: 30px 0;
        clip-path: circle(0 at 100% 0);
        transition: clip-path 0.5s ease-in-out;
    }
    .nav-links.active {
        clip-path: circle(150% at 100% 0);
    }
    .hero-title {
        font-size: 2.5rem;
    }
    .hero-cta {
        flex-direction: column;
    }
    .counters {
        flex-direction: column;
        gap: 20px;
    }
    .footer-grid {
        grid-template-columns: 1fr;
    }
}