/* ==========================================================================
   Base Styles & Variables
   ========================================================================== */
   :root {
    /* Color Palette */
    --primary: #4F46E5;       /* Indigo 600 */
    --primary-light: #818CF8; /* Indigo 400 */
    --primary-dark: #3730A3;  /* Indigo 800 */
    
    --secondary: #0ea5e9;     /* Sky 500 */
    --accent: #F43F5E;        /* Rose 500 */

    --bg-dark: #0f172a;       /* Slate 900 */
    --bg-darker: #020617;     /* Slate 950 */
    --surface: rgba(30, 41, 59, 0.7); /* Slate 800 w/ opacity for glass */
    --surface-light: rgba(51, 65, 85, 0.5);
    
    --text-main: #f8fafc;     /* Slate 50 */
    --text-muted: #94a3b8;    /* Slate 400 */
    --border-color: rgba(255, 255, 255, 0.1);

    /* Typography */
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;

    /* Spacing */
    --spacing-xs: 0.5rem;   /* 8px */
    --spacing-sm: 1rem;     /* 16px */
    --spacing-md: 2rem;     /* 32px */
    --spacing-lg: 4rem;     /* 64px */
    --spacing-xl: 8rem;     /* 128px */

    /* Effects */
    --radius-md: 12px;
    --radius-lg: 24px;
    --transition-fast: 0.2s ease;
    --transition-normal: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Z-Index */
    --z-nav: 1000;
    --z-dropdown: 1010;
}

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

body {
    font-family: var(--font-body);
    background-color: var(--bg-darker);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
}

/* Background Gradients for modern feel */
body::before {
    content: '';
    position: fixed;
    top: -20%;
    left: -10%;
    width: 50vw;
    height: 50vw;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(79, 70, 229, 0.15) 0%, transparent 60%);
    z-index: -1;
    pointer-events: none;
}

body::after {
    content: '';
    position: fixed;
    bottom: -20%;
    right: -10%;
    width: 60vw;
    height: 60vw;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(14, 165, 233, 0.1) 0%, transparent 60%);
    z-index: -1;
    pointer-events: none;
}

/* ==========================================================================
   Typography & Utilities
   ========================================================================== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
}

h1.gradient-text { font-size: clamp(2.5rem, 5vw, 4.5rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: 1.5rem; }

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

ul {
    list-style: none;
}

.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.gradient-text {
    background: linear-gradient(135deg, var(--primary-light), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: inline-block;
}

.subtitle {
    font-size: 1.25rem;
    color: var(--text-muted);
    font-weight: 300;
}

.text-center { text-align: center; }
.text-sm { font-size: 0.875rem; }
.muted { color: var(--text-muted); }
.font-bold { font-weight: 700; }

.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.mb-xl { margin-bottom: var(--spacing-xl); }

.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mt-xl { margin-top: var(--spacing-xl); }

.py-xl { padding-top: var(--spacing-xl); padding-bottom: var(--spacing-xl); }
.p-lg { padding: var(--spacing-lg); }

.flex { display: flex; }
.justify-between { justify-content: space-between; }
.items-center { align-items: center; }
.gap-md { gap: var(--spacing-md); }

/* Grid Layouts */
.grid {
    display: grid;
    gap: var(--spacing-md);
}

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

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    box-shadow: 0 10px 20px -10px var(--primary);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 25px -10px var(--primary);
}

.btn-outline {
    background: transparent;
    color: var(--text-main);
    border: 1px solid var(--border-color);
    backdrop-filter: blur(10px);
}

.btn-outline:hover {
    background: rgba(255,255,255,0.05);
    border-color: var(--primary-light);
}

.btn-sm { padding: 8px 20px; font-size: 0.875rem; }
.btn-lg { padding: 16px 36px; font-size: 1.125rem; }
.btn-block { width: 100%; }

/* Glassmorphism Panel */
.glass-panel {
    background: var(--surface);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.3);
}

/* ==========================================================================
   Navigation (Header & Dropdown)
   ========================================================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: var(--z-nav);
    padding: 1rem 0;
    transition: var(--transition-normal);
    border-radius: 0; /* Override glass-panel radius for nav */
    border-left: none;
    border-right: none;
    border-top: none;
}

.navbar.scrolled {
    padding: 0.5rem 0;
    background: rgba(15, 23, 42, 0.9);
}

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

.logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.5px;
}

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

.nav-link {
    font-weight: 500;
    color: var(--text-muted);
    position: relative;
    padding: 0.5rem 0;
}

.nav-link:hover, .nav-link.active {
    color: var(--text-main);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0%;
    height: 2px;
    background: var(--primary-light);
    transition: var(--transition-fast);
}

.nav-link:hover::after, .nav-link.active::after {
    width: 100%;
}

/* Dropdown */
.dropdown {
    position: relative;
}

.dropdown-arrow {
    font-size: 0.6em;
    margin-left: 4px;
    transition: var(--transition-fast);
    display: inline-block;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(10px);
    min-width: 220px;
    padding: 0.5rem;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-fast);
    z-index: var(--z-dropdown);
}

.dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.dropdown:hover .dropdown-arrow {
    transform: rotate(180deg);
}

.dropdown-menu li a {
    display: block;
    padding: 0.75rem 1rem;
    color: var(--text-muted);
    border-radius: var(--radius-md);
    transition: var(--transition-fast);
}

.dropdown-menu li a:hover {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-main);
    padding-left: 1.25rem;
}

/* Mobile Toggle */
.mobile-toggle {
    display: none;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.mobile-toggle .bar {
    display: block;
    width: 25px;
    height: 2px;
    margin: 5px auto;
    background-color: var(--text-main);
    transition: var(--transition-fast);
}

/* ==========================================================================
   Homepage Sections
   ========================================================================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding-top: 80px;
    border-radius: 0;
    border-left: none;
    border-right: none;
    background: transparent;
    box-shadow: none;
    border-bottom: 1px solid var(--border-color);
}

.hero-content {
    max-width: 800px;
    padding: 0 var(--spacing-md);
    animation: fadeInUp 1s ease forwards;
}

.hero .subtitle {
    margin: var(--spacing-md) 0;
    font-size: 1.25rem;
}

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

.features {
    padding: var(--spacing-xl) 0;
}

.section-header .divider {
    height: 4px;
    width: 60px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    border-radius: 2px;
    margin: 1rem 0 3rem;
    transition: width 0.3s ease;
}

.section-header:hover .divider {
    width: 100px;
}

.section-header.text-center .divider {
    margin-left: auto;
    margin-right: auto;
}

.features-grid {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.feature-card {
    padding: 2.5rem;
    transition: var(--transition-normal);
}

.feature-card:hover {
    transform: translateY(-10px);
    border-color: rgba(255, 255, 255, 0.2);
    box-shadow: 0 15px 40px rgba(0,0,0,0.4);
}

.icon-wrapper {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    background: rgba(255,255,255,0.05);
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 20px;
}

.cta-section {
    padding: var(--spacing-xl) 0;
    background: linear-gradient(to top, rgba(79, 70, 229, 0.1), transparent);
}

/* ==========================================================================
   Services Page
   ========================================================================== */
.page-services {
    padding-top: 100px;
}

.services-grid {
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
}

.service-card {
    padding: 3rem 2rem;
    transition: var(--transition-normal);
}

.service-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-light);
}

.service-icon {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
}

.service-features {
    margin-top: 1.5rem;
    border-top: 1px solid var(--border-color);
    padding-top: 1.5rem;
}

.service-features li {
    margin-bottom: 0.75rem;
    color: var(--text-muted);
    position: relative;
    padding-left: 1.5rem;
}

.service-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--secondary);
    font-weight: bold;
}

/* ==========================================================================
   About Page
   ========================================================================== */
.page-about {
    padding-top: 100px;
}

.about-grid {
    grid-template-columns: 1fr 1fr;
    align-items: center;
}

.stats-row {
    border-top: 1px solid var(--border-color);
    padding-top: 2rem;
}

.stat { flex: 1; }

.image-glass-effect {
    width: 100%;
    aspect-ratio: 1;
    border-radius: var(--radius-lg);
    background: linear-gradient(135deg, rgba(255,255,255,0.1), rgba(255,255,255,0.02));
    border: 1px solid var(--border-color);
    backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.image-glass-effect::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 80%;
    height: 80%;
    transform: translate(-50%, -50%);
    background: radial-gradient(circle, var(--primary) 0%, transparent 70%);
    opacity: 0.3;
    filter: blur(40px);
    z-index: -1;
}

.icon-lg { font-size: 4rem; }

/* ==========================================================================
   Contact Page
   ========================================================================== */
.page-contact {
    padding-top: 100px;
}

.contact-grid {
    grid-template-columns: 1fr 1.5fr;
}

.contact-list li {
    display: flex;
    margin-bottom: 1.5rem;
    gap: 1rem;
}

.contact-list .icon {
    font-size: 1.5rem;
    background: rgba(255,255,255,0.05);
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    flex-shrink: 0;
}

.social-links {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    border-top: 1px solid var(--border-color);
    padding-top: 1.5rem;
}

.social-icon {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-muted);
}

.social-icon:hover { color: var(--primary-light); }

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text-muted);
}

.form-control {
    width: 100%;
    padding: 12px 16px;
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-main);
    font-family: var(--font-body);
    font-size: 1rem;
    transition: var(--transition-fast);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-light);
    background: rgba(0, 0, 0, 0.4);
    box-shadow: 0 0 0 3px rgba(129, 140, 248, 0.2);
}

.form-control::placeholder {
    color: rgba(255,255,255,0.2);
}

.glass-select option {
    background: var(--bg-dark);
    color: var(--text-main);
}

/* ==========================================================================
   Footer
   ========================================================================== */
.footer {
    border-top: 1px solid var(--border-color);
    padding-top: var(--spacing-xl);
    background: var(--bg-darker);
    position: relative;
    z-index: 10;
}

.footer-grid {
    grid-template-columns: 2fr 1fr 1fr 1fr;
}

.footer-col h3 {
    margin-bottom: 1.5rem;
    font-size: 1.125rem;
}

.footer-col ul li {
    margin-bottom: 0.75rem;
}

.footer-col a {
    color: var(--text-muted);
}

.footer-col a:hover {
    color: var(--primary-light);
    padding-left: 5px;
}

.contact-min li { color: var(--text-muted); }

.footer-bottom { border-top: 1px solid var(--border-color); padding-top: 1.5rem; }
.legal-links a { margin-left: 1rem; color: var(--text-muted); }
.legal-links a:hover { color: var(--text-main); }


/* ==========================================================================
   Animations
   ========================================================================== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ==========================================================================
   Responsive Design
   ========================================================================== */
@media (max-width: 992px) {
    .about-grid, .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .brand-col {
        grid-column: span 2;
    }
}

@media (max-width: 768px) {
    .mobile-toggle {
        display: block;
        z-index: calc(var(--z-nav) + 2);
    }

    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 350px;
        height: 100vh;
        background: var(--bg-dark);
        border-left: 1px solid var(--border-color);
        padding: 80px 2rem 2rem;
        transition: right 0.3s ease;
        z-index: calc(var(--z-nav) + 1);
        overflow-y: auto;
    }

    .nav-menu.active {
        right: 0;
        box-shadow: -10px 0 30px rgba(0,0,0,0.5);
    }

    .nav-list {
        flex-direction: column;
        align-items: flex-start;
        gap: 1.5rem;
    }

    .nav-list li {
        width: 100%;
    }

    .dropdown-menu {
        position: static;
        transform: none;
        opacity: 1;
        visibility: visible;
        background: transparent;
        border: none;
        box-shadow: none;
        padding-left: 1rem;
        display: none;
        width: 100%;
    }
    
    .dropdown.active .dropdown-menu {
        display: block;
    }

    .dropdown:hover .dropdown-menu {
        transform: none; /* Override desktop hover */
    }

    .hero-actions {
        flex-direction: column;
    }
    
    .hero input, .hero button {
        width: 100%;
    }

    .footer-grid {
        grid-template-columns: 1fr;
    }
    
    .brand-col {
        grid-column: span 1;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
}