/* Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:wght@400;500;600;700&family=Inter:wght@300;400;500;600&display=swap');

/* Base Styles */
:root {
    --color-primary: #3B82F6;
    --color-navy: #0B1426;
    --color-navy-2: #101D35;
    --color-text-body: #8A94A8;
    --color-text-heading: #E8ECF2;
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--color-navy);
    color: var(--color-text-body);
    font-family: 'Inter', sans-serif;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Cormorant Garamond', serif;
    color: var(--color-text-heading);
    font-weight: 600;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--color-navy);
}

::-webkit-scrollbar-thumb {
    background: var(--color-navy-2);
    border: 1px solid #1e293b;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #2563EB;
}

/* Selection */
::selection {
    background: rgba(59, 130, 246, 0.3);
    color: white;
}

/* Preloader */
#preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--color-navy);
    z-index: 9999;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: opacity 0.5s ease-out, visibility 0.5s ease-out;
}

.loader {
    width: 48px;
    height: 48px;
    border: 3px solid #1e293b;
    border-radius: 50%;
    display: inline-block;
    position: relative;
    box-sizing: border-box;
    animation: rotation 1s linear infinite;
}

.loader::after {
    content: '';  
    box-sizing: border-box;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 3px solid transparent;
    border-bottom-color: var(--color-primary);
}

@keyframes rotation {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Navigation */
header.scrolled {
    background-color: rgba(11, 20, 38, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 20px rgba(0,0,0,0.4);
    border-bottom: 1px solid rgba(59, 130, 246, 0.1);
}

.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 1px;
    bottom: -4px;
    left: 0;
    background-color: var(--color-primary);
    transition: width 0.3s ease;
}

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

/* Glow Effects */
.glow-text {
    text-shadow: 0 0 20px rgba(59, 130, 246, 0.3);
}

.card-hover {
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.card-hover:hover {
    transform: translateY(-5px);
    border-color: rgba(59, 130, 246, 0.4);
    box-shadow: 0 10px 40px -10px rgba(59, 130, 246, 0.15);
}

.service-icon-wrapper {
    transition: all 0.3s ease;
}

.card-hover:hover .service-icon-wrapper {
    background-color: rgba(59, 130, 246, 0.1);
    color: var(--color-primary);
}

/* Button Styles */
.btn-primary {
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
    transition: 0.5s;
}

.btn-primary:hover::before {
    left: 100%;
}

/* Scroll Reveal */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease;
}

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

.reveal-left {
    opacity: 0;
    transform: translateX(-30px);
    transition: all 0.8s ease;
}

.reveal-left.active {
    opacity: 1;
    transform: translateX(0);
}

.reveal-right {
    opacity: 0;
    transform: translateX(30px);
    transition: all 0.8s ease;
}

.reveal-right.active {
    opacity: 1;
    transform: translateX(0);
}

/* Hero Background */
.hero-bg {
    background-image: 
        linear-gradient(to bottom, rgba(11, 20, 38, 0.9), rgba(11, 20, 38, 1)),
        url('https://images.unsplash.com/photo-1486406146926-c627a92ad1ab?q=80&w=2070&auto=format&fit=crop');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
}

.grid-bg {
    background-image: 
        linear-gradient(rgba(16, 29, 53, 0.8) 1px, transparent 1px),
        linear-gradient(90deg, rgba(16, 29, 53, 0.8) 1px, transparent 1px);
    background-size: 30px 30px;
    background-position: center center;
}

/* Decorative Elements */
.decorative-line {
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(59, 130, 246, 0.5), transparent);
}

/* Back to Top */
#back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background-color: var(--color-primary);
    color: white;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 999;
    box-shadow: 0 5px 15px rgba(0,0,0,0.3);
}

#back-to-top.show {
    opacity: 1;
    visibility: visible;
}

#back-to-top:hover {
    transform: translateY(-5px);
    background-color: #2563EB;
}