/* ═══════════════════════════════════════════════════════════════
   SeEnergy — Modern Animations & Transitions
   Pure CSS animations that layer on top of the existing design.
   ═══════════════════════════════════════════════════════════════ */

/* ─── Page Transition Overlay ─────────────────────────────── */
.page-transition-overlay {
    position: fixed;
    inset: 0;
    z-index: 10000;
    background: #102216;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.45s cubic-bezier(0.4, 0, 0.2, 1);
}
.page-transition-overlay.active {
    opacity: 1;
    pointer-events: all;
}

/* ─── Scroll Reveal Base ──────────────────────────────────── */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
                transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
    will-change: opacity, transform;
}
.reveal.revealed {
    opacity: 1;
    transform: translateY(0) translateX(0) scale(1);
}

/* Directional variants */
.reveal-left {
    opacity: 0;
    transform: translateX(-60px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
                transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
    will-change: opacity, transform;
}
.reveal-left.revealed {
    opacity: 1;
    transform: translateX(0);
}

.reveal-right {
    opacity: 0;
    transform: translateX(60px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
                transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
    will-change: opacity, transform;
}
.reveal-right.revealed {
    opacity: 1;
    transform: translateX(0);
}

.reveal-scale {
    opacity: 0;
    transform: scale(0.85);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
                transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
    will-change: opacity, transform;
}
.reveal-scale.revealed {
    opacity: 1;
    transform: scale(1);
}

.reveal-fade {
    opacity: 0;
    transition: opacity 1s cubic-bezier(0.16, 1, 0.3, 1);
    will-change: opacity;
}
.reveal-fade.revealed {
    opacity: 1;
}

/* ─── Stagger Delays (auto-applied by JS) ─────────────────── */
.stagger-delay-1 { transition-delay: 0.08s; }
.stagger-delay-2 { transition-delay: 0.16s; }
.stagger-delay-3 { transition-delay: 0.24s; }
.stagger-delay-4 { transition-delay: 0.32s; }
.stagger-delay-5 { transition-delay: 0.40s; }
.stagger-delay-6 { transition-delay: 0.48s; }
.stagger-delay-7 { transition-delay: 0.56s; }
.stagger-delay-8 { transition-delay: 0.64s; }

/* ─── Navbar Scrolled State ───────────────────────────────── */
.glass-nav {
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}
.glass-nav.scrolled {
    background: rgba(16, 34, 22, 0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3), 0 0 15px rgba(19, 236, 91, 0.05);
    border-bottom-color: rgba(19, 236, 91, 0.15);
}
.glass-nav.scrolled .nav-inner {
    height: 3.5rem;
    transition: height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ─── Mobile Menu ─────────────────────────────────────────── */
.mobile-menu-overlay {
    position: fixed;
    inset: 0;
    z-index: 90;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}
.mobile-menu-overlay.open {
    opacity: 1;
    visibility: visible;
}

.mobile-menu-panel {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: min(85vw, 360px);
    z-index: 100;
    background: rgba(16, 34, 22, 0.97);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border-left: 1px solid rgba(19, 236, 91, 0.15);
    transform: translateX(100%);
    transition: transform 0.4s cubic-bezier(0.32, 0.72, 0, 1);
    overflow-y: auto;
    box-shadow: -10px 0 40px rgba(0, 0, 0, 0.5);
}
.mobile-menu-panel.open {
    transform: translateX(0);
}

.mobile-menu-panel a {
    display: block;
    padding: 1rem 1.5rem;
    font-size: 1rem;
    font-weight: 500;
    color: #d1d5db;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    transition: color 0.2s, background 0.2s, padding-left 0.3s;
}
.mobile-menu-panel a:hover {
    color: #13ec5b;
    background: rgba(19, 236, 91, 0.05);
    padding-left: 2rem;
}

/* ─── Floating / Parallax ─────────────────────────────────── */
@keyframes subtleFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}
.float-element {
    animation: subtleFloat 4s ease-in-out infinite;
}

/* ─── Counter Flash ───────────────────────────────────────── */
@keyframes counterFlash {
    0% { color: #13ec5b; text-shadow: 0 0 20px rgba(19, 236, 91, 0.6); }
    100% { color: white; text-shadow: none; }
}
.counter-done {
    animation: counterFlash 0.6s ease-out forwards;
}

/* ─── Image Reveal (clip) ─────────────────────────────────── */
.image-reveal {
    clip-path: inset(0 0 100% 0);
    transition: clip-path 1s cubic-bezier(0.16, 1, 0.3, 1);
}
.image-reveal.revealed {
    clip-path: inset(0 0 0 0);
}

/* ─── 3D Card Tilt ────────────────────────────────────────── */

/* ─── Gallery Filter Transition ───────────────────────────── */
.project-card {
    transition: opacity 0.5s cubic-bezier(0.16, 1, 0.3, 1),
                transform 0.5s cubic-bezier(0.16, 1, 0.3, 1) !important;
}
.project-card.filter-hidden {
    opacity: 0 !important;
    transform: scale(0.9) !important;
    pointer-events: none;
    position: absolute;
    visibility: hidden;
}
.project-card.filter-visible {
    opacity: 1;
    transform: scale(1);
}

/* ─── Magnetic Button Glow ────────────────────────────────── */
.magnetic-btn {
    position: relative;
    overflow: hidden;
    transition: transform 0.2s ease-out;
}
.magnetic-btn::after {
    content: '';
    position: absolute;
    width: 120px;
    height: 120px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(19, 236, 91, 0.25) 0%, transparent 70%);
    pointer-events: none;
    opacity: 0;
    transform: translate(-50%, -50%);
    transition: opacity 0.3s ease;
}
.magnetic-btn:hover::after {
    opacity: 1;
}

/* ─── Energy Pulse (decorative) ───────────────────────────── */
@keyframes energyPulse {
    0% { box-shadow: 0 0 0 0 rgba(19, 236, 91, 0.4); }
    70% { box-shadow: 0 0 0 15px rgba(19, 236, 91, 0); }
    100% { box-shadow: 0 0 0 0 rgba(19, 236, 91, 0); }
}
.energy-pulse {
    animation: energyPulse 2.5s infinite;
}

/* ─── Gradient Text Shimmer ───────────────────────────────── */
@keyframes textShimmer {
    0% { background-position: -200% center; }
    100% { background-position: 200% center; }
}
.shimmer-text {
    background-size: 200% auto;
    animation: textShimmer 4s linear infinite;
}

/* ─── Section Divider Glow ────────────────────────────────── */
.section-glow-divider {
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(19, 236, 91, 0.3), transparent);
    margin: 0 auto;
    max-width: 600px;
}

/* ─── Smooth Section Entrance ─────────────────────────────── */
section {
    position: relative;
}

/* ─── Reduced Motion ──────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
    .reveal, .reveal-left, .reveal-right, .reveal-scale, .reveal-fade, .image-reveal {
        opacity: 1 !important;
        transform: none !important;
        clip-path: none !important;
        transition: none !important;
    }
    .float-element { animation: none; }
    .shimmer-text { animation: none; }
    .energy-pulse { animation: none; }
    .page-transition-overlay { transition: none !important; }
}