/* ========================================
   common.css — Shared styles across all pages
   ======================================== */

/* Base */
body {
    font-family: 'Space Grotesk', sans-serif;
}

/* Scroll Progress Bar */
.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    height: 3px;
    background: linear-gradient(90deg, #dc2626, #ef4444);
    z-index: 9999;
    transition: width 0.1s;
}

/* Nav links: white + red glow on hover */
nav a {
    color: #ffffff !important;
    transition: color 0.3s ease, text-shadow 0.3s ease !important;
}

nav a:hover {
    color: #ef4444 !important;
    text-shadow: 0 0 8px rgba(239, 68, 68, 0.6), 0 0 20px rgba(239, 68, 68, 0.3) !important;
}

.nav-link {
    position: relative;
    padding-bottom: 6px;
}

.nav-indicator {
    position: absolute;
    bottom: -8px;
    height: 2px;
    background: #ef4444;
    border-radius: 2px;
    transition: left 0.4s cubic-bezier(0.25, 0.8, 0.25, 1), width 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
    box-shadow: 0 0 8px rgba(239, 68, 68, 0.5), 0 0 16px rgba(239, 68, 68, 0.25);
    pointer-events: none;
}

.nav-link.active {
    color: #ef4444 !important;
}

/* Gradient Background */
.gradient-bg {
    background: linear-gradient(135deg, #0f172a 0%, #1e1b4b 50%, #1e293b 100%);
}

/* Preloader */
.preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #0f172a 0%, #1e1b4b 50%, #1e293b 100%);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 99999;
    transition: opacity 0.6s cubic-bezier(0.4, 0, 0.2, 1), visibility 0.6s cubic-bezier(0.4, 0, 0.2, 1), transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.preloader.hidden {
    opacity: 0;
    visibility: hidden;
    transform: scale(1.05);
}

.preloader-logo-wrap {
    position: relative;
    width: 140px;
    height: 140px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 40px;
}

.preloader-logo-wrap img {
    width: 64px;
    height: 64px;
    object-fit: contain;
    filter: drop-shadow(0 0 20px rgba(239, 68, 68, 0.4));
    animation: preloaderLogoPulse 2s ease-in-out infinite;
}

@keyframes preloaderLogoPulse {

    0%,
    100% {
        transform: scale(1);
        filter: drop-shadow(0 0 20px rgba(239, 68, 68, 0.4));
    }

    50% {
        transform: scale(1.08);
        filter: drop-shadow(0 0 35px rgba(239, 68, 68, 0.7));
    }
}

.orbital-ring {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: 2px solid rgba(239, 68, 68, 0.1);
    border-top-color: rgba(239, 68, 68, 0.7);
    border-radius: 50%;
    animation: preloaderOrbit 1.8s linear infinite;
}

.orbital-ring-2 {
    position: absolute;
    top: -10px;
    left: -10px;
    width: calc(100% + 20px);
    height: calc(100% + 20px);
    border: 1.5px solid rgba(239, 68, 68, 0.05);
    border-top-color: rgba(239, 68, 68, 0.4);
    border-radius: 50%;
    animation: preloaderOrbit 2.8s linear infinite reverse;
}

@keyframes preloaderOrbit {
    to {
        transform: rotate(360deg);
    }
}

.preloader-progress {
    width: 220px;
    height: 3px;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 99px;
    overflow: hidden;
    margin-bottom: 20px;
    position: relative;
}

.preloader-progress-bar {
    height: 100%;
    width: 0%;
    border-radius: 99px;
    background: linear-gradient(90deg, #dc2626, #ef4444, #dc2626);
    background-size: 200% 100%;
    animation: preloaderBarShimmer 1.5s ease infinite;
    box-shadow: 0 0 16px rgba(239, 68, 68, 0.5), 0 0 32px rgba(239, 68, 68, 0.2);
    transition: width 0.3s ease;
}

@keyframes preloaderBarShimmer {
    0% {
        background-position: 0% 0%;
    }

    100% {
        background-position: 200% 0%;
    }
}

.preloader-info {
    display: flex;
    align-items: center;
    gap: 12px;
    font-family: 'Fira Code', monospace;
    font-size: 0.75rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.preloader-text {
    color: rgba(255, 255, 255, 0.4);
}

.preloader-percent {
    color: #ef4444;
    font-weight: 600;
    min-width: 36px;
    text-align: right;
}

.preloader-particles {
    position: absolute;
    inset: 0;
    overflow: hidden;
    pointer-events: none;
}

.preloader-particle {
    position: absolute;
    width: 2px;
    height: 2px;
    background: rgba(239, 68, 68, 0.5);
    border-radius: 50%;
    animation: preloaderFloat 4s ease-in-out infinite;
}

@keyframes preloaderFloat {

    0%,
    100% {
        transform: translateY(0) scale(1);
        opacity: 0;
    }

    10% {
        opacity: 1;
    }

    90% {
        opacity: 1;
    }

    50% {
        transform: translateY(-100px) scale(1.5);
        opacity: 0.6;
    }
}

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

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-on-scroll {
    opacity: 0;
}

/* Card Hover Effects */
.card-hover {
    position: relative;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.card-hover:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(239, 68, 68, 0.2);
}

/* 3D Tilt Effect */
.card-3d {
    transform-style: preserve-3d;
    transition: transform 0.3s ease;
}

/* Image Zoom on Hover */
.image-zoom {
    overflow: hidden;
}

.image-zoom img {
    transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.image-zoom:hover img {
    transform: scale(1.1) rotate(2deg);
}