/* ============================================
   ANIMATIONS.CSS v2.1 — Scroll & Micro Effects
   ============================================ */

/* ============================================
   SCROLL REVEAL CLASSES
   ============================================ */
.reveal {
    opacity: 0;
    transform: translateY(36px);
    transition: opacity 0.75s cubic-bezier(0.16, 1, 0.3, 1),
                transform 0.75s cubic-bezier(0.16, 1, 0.3, 1);
}

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

.reveal--left {
    opacity: 0;
    transform: translateX(-36px);
    transition: opacity 0.75s cubic-bezier(0.16, 1, 0.3, 1),
                transform 0.75s cubic-bezier(0.16, 1, 0.3, 1);
}

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

.reveal--right {
    opacity: 0;
    transform: translateX(36px);
    transition: opacity 0.75s cubic-bezier(0.16, 1, 0.3, 1),
                transform 0.75s cubic-bezier(0.16, 1, 0.3, 1);
}

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

.reveal--scale {
    opacity: 0;
    transform: scale(0.88);
    transition: opacity 0.75s cubic-bezier(0.16, 1, 0.3, 1),
                transform 0.75s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal--scale.active {
    opacity: 1;
    transform: scale(1);
}

/* Stagger delays */
.reveal-delay-1 { transition-delay: 0.08s; }
.reveal-delay-2 { transition-delay: 0.16s; }
.reveal-delay-3 { transition-delay: 0.24s; }
.reveal-delay-4 { transition-delay: 0.32s; }
.reveal-delay-5 { transition-delay: 0.40s; }
.reveal-delay-6 { transition-delay: 0.48s; }

/* ============================================
   KEYFRAME ANIMATIONS
   ============================================ */

/* Fade up — used for hero greeting etc */
@keyframes fadeUp {
    from { opacity: 0; transform: translateY(24px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* Fade in */
@keyframes fadeIn {
    from { opacity: 0; }
    to   { opacity: 1; }
}

/* Slide in from left */
@keyframes slideLeft {
    from { opacity: 0; transform: translateX(-30px); }
    to   { opacity: 1; transform: translateX(0); }
}

/* Typing cursor blink */
@keyframes blink {
    from, to { border-color: transparent; }
    50% { border-color: var(--accent); }
}

/* Status dot pulse */
@keyframes pulse {
    0%, 100% { transform: scale(1); box-shadow: 0 0 0 0 rgba(107, 223, 143, 0.5); }
    50% {
        transform: scale(1.15);
        box-shadow: 0 0 0 6px rgba(107, 223, 143, 0);
    }
}

/* Float */
@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-14px); }
}

/* Spin slow */
@keyframes spin-slow {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* Gradient sweep — hero heading accent */
@keyframes gradient-sweep {
    0%   { background-position: 0% 50%; }
    50%  { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

/* Shimmer — for cards on loading state */
@keyframes shimmer {
    from { background-position: -200% 0; }
    to   { background-position:  200% 0; }
}

/* Glow pulse — for accent elements */
@keyframes glow {
    0%, 100% { box-shadow: 0 0 12px rgba(107, 223, 143, 0.15); }
    50%       { box-shadow: 0 0 28px rgba(107, 223, 143, 0.35); }
}

/* Scale pop — for icons/emojis on hover */
@keyframes pop {
    0%   { transform: scale(1); }
    60%  { transform: scale(1.25); }
    100% { transform: scale(1.1); }
}

/* Count up bar */
@keyframes barReveal {
    from { width: 0; opacity: 0; }
    to   { opacity: 1; }
}

/* ============================================
   HERO ANIMATED HEADING
   ============================================ */
.hero-heading span {
    background-size: 200% 200%;
    animation: gradient-sweep 5s ease infinite;
}

/* ============================================
   SIDEBAR PHOTO GLOW
   ============================================ */
.sidebar-photo-wrap::after {
    content: '';
    position: absolute;
    inset: -8px;
    border-radius: 50%;
    background: conic-gradient(
        from 0deg,
        rgba(107, 223, 143, 0),
        rgba(107, 223, 143, 0.2),
        rgba(56, 178, 172, 0.2),
        rgba(107, 223, 143, 0)
    );
    animation: spin-slow 6s linear infinite;
    z-index: -1;
    opacity: 0.6;
}

/* ============================================
   SECTION ENTRANCE — hero content
   ============================================ */
.hero-greeting  { animation: slideLeft 0.7s cubic-bezier(0.16,1,0.3,1) 0.2s both; }
.hero-heading   { animation: fadeUp   0.8s cubic-bezier(0.16,1,0.3,1) 0.35s both; }
.hero-desc      { animation: fadeUp   0.8s cubic-bezier(0.16,1,0.3,1) 0.5s both; }
.hero-cta       { animation: fadeUp   0.8s cubic-bezier(0.16,1,0.3,1) 0.65s both; }

/* Override: reset .reveal on hero (already animated above) */
.section-hero .hero-content .reveal,
.section-hero .hero-content .reveal--left {
    opacity: 1 !important;
    transform: none !important;
}

/* ============================================
   NAVBAR ENTRANCE
   ============================================ */
.site-navbar {
    animation: fadeIn 0.5s ease both;
}

/* ============================================
   SIDEBAR ENTRANCE
   ============================================ */
.sidebar-inner .sidebar-photo-wrap { animation: fadeIn 0.8s ease 0.3s both; }
.sidebar-inner .sidebar-name       { animation: fadeUp 0.6s ease 0.5s both; }
.sidebar-inner .sidebar-role       { animation: fadeUp 0.6s ease 0.6s both; }
.sidebar-inner .sidebar-social     { animation: fadeIn 0.6s ease 0.8s both; }
.sidebar-inner .sidebar-info       { animation: fadeIn 0.6s ease 1.0s both; }
.sidebar-inner .sidebar-cta        { animation: fadeIn 0.6s ease 1.2s both; }

/* ============================================
   CARD MICRO INTERACTIONS
   ============================================ */
.timeline-card,
.project-card,
.edu-card,
.achieve-card,
.about-info-item,
.contact-detail-card {
    will-change: transform, box-shadow;
}

/* ============================================
   FLOATING WHATSAPP RIPPLE
   ============================================ */
.whatsapp-float svg {
    transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.whatsapp-float:hover svg {
    transform: scale(1.15) rotate(-8deg);
}

/* ============================================
   LINK HOVER UNDERLINE
   ============================================ */
.animated-link {
    position: relative;
    display: inline-block;
}

.animated-link::after {
    content: '';
    position: absolute;
    bottom: -2px; left: 0;
    width: 0; height: 1.5px;
    background: var(--accent);
    border-radius: var(--r-full);
    transition: width 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

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

/* ============================================
   BUTTON RIPPLE
   ============================================ */
.btn {
    overflow: hidden;
    position: relative;
}

/* ============================================
   REDUCED MOTION
   ============================================ */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    .reveal,
    .reveal--left,
    .reveal--right,
    .reveal--scale {
        opacity: 1 !important;
        transform: none !important;
    }

    html { scroll-behavior: auto; }
    .whatsapp-float { animation: none !important; }
}