/* ==========================================================================
   CSS Variables & Reset
   ========================================================================== */
:root {
    --color-primary: #0a192f; /* Dark Blue */
    --color-secondary: #0f172a; /* Slate Black */
    --color-black: #000000;
    --color-white: #ffffff;
    --color-light: #f8fafc; /* Off-white for section bg */
    --color-light-border: #e2e8f0;
    --color-text: #334155; /* Dark gray for readability */
    --color-text-light: #94a3b8;
    
    --font-main: 'Inter', sans-serif;
    
    --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    --transition-slow: all 0.6s cubic-bezier(0.25, 0.8, 0.25, 1);
    
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

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

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

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

ul {
    list-style: none;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.section-padding {
    padding: 6rem 0;
}

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

.bg-light {
    background-color: var(--color-light);
}

.text-center {
    text-align: center;
}

.text-white {
    color: var(--color-white) !important;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-secondary);
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--color-text-light);
    max-width: 700px;
    margin: 0 auto 3rem;
}

.divider {
    height: 3px;
    width: 60px;
    background-color: var(--color-primary);
    margin-bottom: 2rem;
}

.divider.center {
    margin: 0 auto 2rem;
}

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    font-weight: 500;
    border-radius: 4px;
    cursor: pointer;
    text-align: center;
    border: 2px solid transparent;
}

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

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

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

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

.btn-large {
    padding: 1rem 2.5rem;
    font-size: 1.125rem;
}

/* ==========================================================================
   Navigation
   ========================================================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 1.25rem 0;
    transition: var(--transition);
    border-bottom: 1px solid rgba(0,0,0,0.05);
}

.navbar.scrolled {
    padding: 1rem 0;
    box-shadow: var(--shadow-sm);
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--color-secondary);
    letter-spacing: -0.02em;
}

.logo span {
    color: var(--color-primary);
    font-weight: 400;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-links a {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--color-secondary);
}

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

.nav-btn {
    background-color: var(--color-primary);
    color: var(--color-white) !important;
    padding: 0.5rem 1.25rem;
    border-radius: 4px;
}

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

.mobile-menu-toggle {
    display: none;
    cursor: pointer;
}

.bar {
    display: block;
    width: 25px;
    height: 3px;
    margin: 5px auto;
    background-color: var(--color-secondary);
    transition: var(--transition);
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero {
    position: relative;
    height: 100vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    background-color: var(--color-primary);
    background-image: linear-gradient(rgba(10, 25, 47, 0.85), rgba(10, 25, 47, 0.95)), url('https://images.unsplash.com/photo-1486406146926-c627a92ad1ab?ixlib=rb-4.0.3&auto=format&fit=crop&w=2000&q=80');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    color: var(--color-white);
}

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

.hero h1 {
    font-size: 4rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    letter-spacing: -0.03em;
}

.hero .subtitle {
    font-size: 1.5rem;
    font-weight: 500;
    color: var(--color-light);
    margin-bottom: 1.5rem;
}

.hero .description {
    font-size: 1.125rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 2.5rem;
    max-width: 600px;
}

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

/* ==========================================================================
   About Section
   ========================================================================== */
.about-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-text p {
    font-size: 1.125rem;
    margin-bottom: 1.5rem;
    color: var(--color-text);
}

.mask-image {
    position: relative;
}

.mask-image::before {
    content: '';
    position: absolute;
    top: -20px;
    left: -20px;
    width: 100%;
    height: 100%;
    border: 2px solid var(--color-primary);
    z-index: -1;
}

.mask-image img {
    box-shadow: var(--shadow-lg);
}

/* ==========================================================================
   Services Section (What We Do)
   ========================================================================== */
.services-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    margin-top: 4rem;
}

.service-card {
    background-color: var(--color-white);
    padding: 3rem;
    border-radius: 4px;
    color: var(--color-secondary);
    transition: var(--transition);
    border-bottom: 4px solid transparent;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-bottom-color: var(--color-primary);
}

.service-card .icon {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    background: var(--color-light);
    width: 70px;
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}

.service-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

/* ==========================================================================
   Why Choose Us Section
   ========================================================================== */
.why-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}

.feature-box {
    text-align: left;
    padding: 2rem;
    background-color: var(--color-light);
    border-radius: 4px;
    border: 1px solid var(--color-light-border);
    transition: var(--transition);
}

.feature-box:hover {
    background-color: var(--color-white);
    box-shadow: var(--shadow-md);
    transform: translateY(-5px);
}

.feature-number {
    font-size: 2rem;
    font-weight: 800;
    color: var(--color-primary);
    opacity: 0.2;
    margin-bottom: 1rem;
    font-family: monospace;
}

.feature-box h4 {
    font-size: 1.125rem;
    margin-bottom: 0.75rem;
    color: var(--color-secondary);
}

/* ==========================================================================
   Business Info Section
   ========================================================================== */
.info-content-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.info-list li {
    margin-bottom: 1.5rem;
    display: flex;
    flex-direction: column;
}

.info-label {
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-light);
    margin-bottom: 0.25rem;
    font-weight: 600;
}

.info-value {
    font-size: 1.25rem;
    font-weight: 500;
    color: var(--color-secondary);
    line-height: 1.5;
}

.map-placeholder {
    width: 100%;
    height: 300px;
    background-color: var(--color-white);
    border: 1px solid var(--color-light-border);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    position: relative;
    border-radius: 4px;
}

.pulse-marker {
    width: 20px;
    height: 20px;
    background-color: var(--color-primary);
    border-radius: 50%;
    position: relative;
    margin-bottom: 10px;
}

.pulse-marker::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
    height: 100%;
    background-color: var(--color-primary);
    border-radius: 50%;
    animation: pulse 2s infinite;
    z-index: -1;
}

@keyframes pulse {
    0% {
        transform: translate(-50%, -50%) scale(1);
        opacity: 0.8;
    }
    100% {
        transform: translate(-50%, -50%) scale(3);
        opacity: 0;
    }
}

/* ==========================================================================
   Contact Section
   ========================================================================== */
.contact-card {
    background-color: var(--color-primary);
    padding: 5rem 3rem;
    border-radius: 4px;
    box-shadow: var(--shadow-lg);
    background-image: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
}

.contact-desc {
    max-width: 600px;
    margin: 0 auto 1.5rem;
    font-size: 1.125rem;
}

.contact-cta {
    font-size: 1.25rem;
    margin-bottom: 3rem;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.footer {
    background-color: var(--color-secondary);
    color: var(--color-white);
    padding-top: 4rem;
}

.footer-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 3rem;
}

.footer-brand h3 {
    font-size: 1.5rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
}

.footer-brand span {
    font-weight: 400;
    opacity: 0.8;
}

.footer-tagline {
    color: var(--color-text-light);
    font-size: 0.875rem;
}

.footer-address p {
    color: var(--color-text-light);
    font-size: 0.875rem;
    text-align: right;
    line-height: 1.6;
}

.footer-bottom {
    background-color: #000000;
    padding: 1.5rem 0;
    text-align: center;
    font-size: 0.875rem;
    color: var(--color-text-light);
}

/* ==========================================================================
   Animations
   ========================================================================== */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: var(--transition-slow);
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

.fade-in-up {
    animation: fadeInUp 1s cubic-bezier(0.25, 0.8, 0.25, 1) forwards;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ==========================================================================
   Responsive Design
   ========================================================================== */
@media (max-width: 1024px) {
    .why-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .section-title {
        font-size: 2rem;
    }
    
    .hero h1 {
        font-size: 3rem;
    }
    
    .about-container,
    .info-content-wrapper {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-container {
        flex-direction: column;
        gap: 2rem;
        text-align: center;
    }
    
    .footer-address p {
        text-align: center;
    }
    
    /* Mobile Menu */
    .mobile-menu-toggle {
        display: block;
    }
    
    .nav-links {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background-color: var(--color-white);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        transition: 0.4s;
    }
    
    .nav-links.active {
        left: 0;
    }
    
    .nav-links li {
        margin: 1.5rem 0;
    }
    
    .mobile-menu-toggle.active .bar:nth-child(2) {
        opacity: 0;
    }
    
    .mobile-menu-toggle.active .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }
    
    .mobile-menu-toggle.active .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 1.5rem;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        gap: 1rem;
    }
    
    .why-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-card {
        padding: 3rem 1.5rem;
    }
}