/* ============================================
   PREMIUM ENHANCEMENTS v1.0
   Extra polish for the portfolio
   ============================================ */

/* ===== ENHANCED CARD HOVER ===== */
.bento-card,
.cyber-card {
    position: relative;
    overflow: hidden;
}

/* Gradient border on hover */
.bento-card::before,
.cyber-card::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    padding: 1px;
    background: linear-gradient(135deg,
            transparent 0%,
            transparent 40%,
            var(--accent-primary) 50%,
            var(--accent-tertiary) 60%,
            transparent 70%,
            transparent 100%);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0;
    transition: opacity 0.5s ease;
    pointer-events: none;
    background-size: 300% 300%;
    animation: gradient-shift 3s ease infinite paused;
}

.bento-card:hover::before,
.cyber-card:hover::before {
    opacity: 1;
    animation-play-state: running;
}

@keyframes gradient-shift {
    0% {
        background-position: 0% 50%;
    }

    50% {
        background-position: 100% 50%;
    }

    100% {
        background-position: 0% 50%;
    }
}

/* ===== STAGGERED REVEAL ANIMATION ===== */
.reveal-on-scroll {
    opacity: 0;
    transform: translateY(30px);
}

.reveal-on-scroll.revealed {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1),
        transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Stagger delays via CSS */
.reveal-on-scroll:nth-child(1) {
    transition-delay: 0.05s;
}

.reveal-on-scroll:nth-child(2) {
    transition-delay: 0.1s;
}

.reveal-on-scroll:nth-child(3) {
    transition-delay: 0.15s;
}

.reveal-on-scroll:nth-child(4) {
    transition-delay: 0.2s;
}

.reveal-on-scroll:nth-child(5) {
    transition-delay: 0.25s;
}

.reveal-on-scroll:nth-child(6) {
    transition-delay: 0.3s;
}

/* ===== BETTER TECH PILLS ===== */
.tech-pill,
.tech-stack>div {
    position: relative;
    overflow: hidden;
}

.tech-pill::after,
.tech-stack>div::after {
    content: '';
    position: absolute;
    top: 50%;
    left: -100%;
    width: 200%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--accent-secondary), transparent);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.tech-pill:hover::after,
.tech-stack>div:hover::after {
    opacity: 0.5;
    animation: shimmer 2s ease infinite;
}

@keyframes shimmer {
    0% {
        transform: translateX(-50%) translateY(-50%);
    }

    100% {
        transform: translateX(50%) translateY(-50%);
    }
}

/* ===== IMPROVED BUTTONS ===== */
.btn-primary {
    position: relative;
    overflow: hidden;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

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

/* ===== HEADER SCROLL EFFECT ===== */
.app-top {
    transition: background 0.3s ease, box-shadow 0.3s ease;
}

.app-top.scrolled {
    background: var(--bg-glass-hover) !important;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.15);
}

/* ===== BETTER IMAGE HOVER ===== */
.hero-visual img,
.card-image img,
img.hero-image {
    transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1), filter 0.3s ease;
}

.hero-visual:hover img,
.card-image:hover img {
    transform: scale(1.03);
}

/* ===== LINK UNDERLINE ANIMATION ===== */
.footer-nav a,
.error-link .link-title {
    position: relative;
}

.footer-nav a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--accent-primary);
    transition: width 0.3s ease;
}

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

/* ===== FLOATING ELEMENTS ===== */
@keyframes float-subtle {

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

    50% {
        transform: translateY(-8px);
    }
}

.hero-badge {
    animation: float-subtle 4s ease-in-out infinite;
}

/* ===== CURSOR GLOW (on cards) ===== */
.bento-card,
.cyber-card {
    --mouse-x: 50%;
    --mouse-y: 50%;
}

.bento-card::after,
.cyber-card::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    background: radial-gradient(400px circle at var(--mouse-x) var(--mouse-y),
            rgba(99, 102, 241, 0.06),
            transparent 40%);
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
}

.bento-card:hover::after,
.cyber-card:hover::after {
    opacity: 1;
}

/* ===== SECTION TITLES ===== */
.section-title {
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, var(--accent-primary), var(--accent-tertiary));
    border-radius: 2px;
}

/* ===== ENHANCED SCROLL TOP BUTTON ===== */
.scroll-top {
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all 0.3s ease;
}

.scroll-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

/* ===== LIGHT MODE REFINEMENTS ===== */
[data-theme="light"] .bento-card::after,
[data-theme="light"] .cyber-card::after {
    background: radial-gradient(400px circle at var(--mouse-x) var(--mouse-y),
            rgba(79, 70, 229, 0.04),
            transparent 40%);
}

[data-theme="light"] .btn-primary::before {
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
}

/* ===== RESPONSIVE POLISH ===== */
@media (max-width: 768px) {

    .bento-card::before,
    .cyber-card::before {
        display: none;
        /* Disable gradient border on mobile for perf */
    }

    .hero-badge {
        animation: none;
        /* Disable floating on mobile */
    }
}

/* ===== REDUCED MOTION ===== */
@media (prefers-reduced-motion: reduce) {

    .bento-card::before,
    .cyber-card::before,
    .bento-card::after,
    .cyber-card::after,
    .hero-badge,
    .btn-primary::before {
        animation: none !important;
        transition: none !important;
    }
}