/* ===== Base & Reset ===== */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    background: #050505;
    overflow-x: hidden;
}

::selection {
    background: rgba(0, 240, 255, 0.3);
    color: #fff;
}

/* ===== Scrollbar ===== */
::-webkit-scrollbar {
    width: 6px;
}
::-webkit-scrollbar-track {
    background: #050505;
}
::-webkit-scrollbar-thumb {
    background: #1a1a24;
    border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
    background: #00f0ff;
}

/* ===== Navigation ===== */
#navbar {
    background: transparent;
}

#navbar.scrolled {
    background: rgba(5, 5, 5, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: #00f0ff;
    border-radius: 1px;
    transition: width 0.3s ease;
}

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

/* ===== Hero ===== */
#hero {
    background: radial-gradient(ellipse at center, #0a0a1a 0%, #050505 70%);
}

#threeCanvas {
    z-index: 1;
}

#matterCanvas {
    z-index: 2;
    opacity: 0.6;
}

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

.animate-fadeInUp {
    opacity: 0;
    animation: fadeInUp 0.8s ease forwards;
}

/* ===== Stat Cards ===== */
.stat-card {
    transition: transform 0.3s ease, border-color 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-4px);
}

/* ===== Swiper Custom Styles ===== */
.portfolioSwiper {
    width: 100%;
    padding: 0 0 40px;
}

.portfolioSwiper .swiper-slide {
    width: 380px;
    height: 480px;
    transition: transform 0.4s ease, opacity 0.4s ease;
}

@media (max-width: 640px) {
    .portfolioSwiper .swiper-slide {
        width: 300px;
        height: 420px;
    }
}

.portfolioSwiper .swiper-slide .slide-inner {
    width: 100%;
    height: 100%;
    border-radius: 1rem;
    overflow: hidden;
    position: relative;
    background: #111118;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: border-color 0.3s ease, transform 0.3s ease;
}

.portfolioSwiper .swiper-slide:hover .slide-inner {
    border-color: rgba(0, 240, 255, 0.2);
    transform: scale(1.02);
}

.portfolioSwiper .swiper-slide .slide-inner .slide-image {
    width: 100%;
    height: 65%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.portfolioSwiper .swiper-slide:hover .slide-inner .slide-image {
    transform: scale(1.05);
}

.portfolioSwiper .swiper-slide .slide-inner .slide-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(5, 5, 5, 0.95) 0%, rgba(5, 5, 5, 0.3) 50%, transparent 100%);
    pointer-events: none;
}

.portfolioSwiper .swiper-slide .slide-inner .slide-content {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 1.5rem;
    z-index: 2;
}

.portfolioSwiper .swiper-pagination-bullet {
    width: 24px;
    height: 4px;
    border-radius: 2px;
    background: rgba(255, 255, 255, 0.2);
    opacity: 1;
    transition: all 0.3s ease;
}

.portfolioSwiper .swiper-pagination-bullet-active {
    background: #00f0ff;
    width: 32px;
}

/* ===== Spline Viewer ===== */
spline-viewer {
    width: 100%;
    height: 100%;
    border-radius: 1rem;
}

#splineLoader {
    transition: opacity 0.5s ease;
}

#splineLoader.hidden {
    opacity: 0;
    pointer-events: none;
}

/* ===== Tech Cards ===== */
.tech-card {
    transition: transform 0.3s ease, border-color 0.3s ease;
}

/* ===== Section Reveals ===== */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

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

/* ===== Mobile Menu ===== */
#mobileMenu {
    transition: max-height 0.3s ease, opacity 0.3s ease;
}

#mobileMenu.hidden {
    max-height: 0;
    opacity: 0;
    overflow: hidden;
}

#mobileMenu:not(.hidden) {
    max-height: 400px;
    opacity: 1;
}

/* ===== Spline Glow Effect ===== */
#spline .rounded-2xl::before {
    content: '';
    position: absolute;
    inset: -1px;
    border-radius: 1rem;
    background: linear-gradient(135deg, rgba(0, 240, 255, 0.1), transparent, rgba(255, 45, 85, 0.1));
    z-index: -1;
    opacity: 0;
    transition: opacity 0.3s ease;
}

#spline .rounded-2xl:hover::before {
    opacity: 1;
}

/* ===== CTA Glow ===== */
#contact .absolute {
    animation: pulse 4s ease-in-out infinite alternate;
}

@keyframes pulse {
    0% {
        opacity: 0.5;
        transform: translate(-50%, -50%) scale(1);
    }
    100% {
        opacity: 0.8;
        transform: translate(-50%, -50%) scale(1.1);
    }
}

/* ===== Responsive Adjustments ===== */
@media (max-width: 768px) {
    .portfolioSwiper .swiper-slide {
        width: 300px;
        height: 420px;
    }
}

@media (max-width: 480px) {
    .portfolioSwiper .swiper-slide {
        width: 270px;
        height: 390px;
    }
}