/* ============================================================
   IDM TÉRMICAS — ANIMATIONS.CSS
   Animaciones avanzadas personalizadas
   ============================================================ */

/* ─── Keyframes base ─── */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(40px); }
    to { opacity: 1; transform: translateY(0); }
}
@keyframes fadeInDown {
    from { opacity: 0; transform: translateY(-40px); }
    to { opacity: 1; transform: translateY(0); }
}
@keyframes fadeInLeft {
    from { opacity: 0; transform: translateX(-60px); }
    to { opacity: 1; transform: translateX(0); }
}
@keyframes fadeInRight {
    from { opacity: 0; transform: translateX(60px); }
    to { opacity: 1; transform: translateX(0); }
}
@keyframes zoomIn {
    from { opacity: 0; transform: scale(.85); }
    to { opacity: 1; transform: scale(1); }
}
@keyframes zoomOut {
    from { opacity: 0; transform: scale(1.15); }
    to { opacity: 1; transform: scale(1); }
}
@keyframes rotateIn {
    from { opacity: 0; transform: rotate(-8deg) scale(.9); }
    to { opacity: 1; transform: rotate(0) scale(1); }
}
@keyframes flipInX {
    from { opacity: 0; transform: perspective(400px) rotateX(60deg); }
    to { opacity: 1; transform: perspective(400px) rotateX(0); }
}
@keyframes slideInUp {
    from { opacity: 0; transform: translateY(60px); }
    to { opacity: 1; transform: translateY(0); }
}
@keyframes slideInLeft {
    from { opacity: 0; transform: translateX(-50px); }
    to { opacity: 1; transform: translateX(0); }
}
@keyframes bounceIn {
    0%   { opacity: 0; transform: scale(.3); }
    50%  { opacity: 1; transform: scale(1.05); }
    70%  { transform: scale(.95); }
    100% { transform: scale(1); }
}

/* ─── Shimmer effect (brillo deslizante) ─── */
@keyframes shimmer {
    0%   { background-position: -1000px 0; }
    100% { background-position: 1000px 0; }
}

/* ─── Pulso suave ─── */
@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50%      { transform: scale(1.05); opacity: .85; }
}

/* ─── Float (flotación) ─── */
@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50%      { transform: translateY(-12px); }
}
@keyframes floatSlow {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50%      { transform: translateY(-20px) rotate(3deg); }
}

/* ─── Shake ─── */
@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25%      { transform: translateX(-6px); }
    75%      { transform: translateX(6px); }
}

/* ─── Text reveal (caracteres) ─── */
@keyframes textReveal {
    from { clip-path: inset(0 100% 0 0); }
    to   { clip-path: inset(0 0 0 0); }
}

/* ─── Gradient shift ─── */
@keyframes gradientShift {
    0%, 100% { background-position: 0% 50%; }
    50%      { background-position: 100% 50%; }
}

/* ─── Rotate continuous ─── */
@keyframes spinSlow {
    from { transform: rotate(0deg); }
    to   { transform: rotate(360deg); }
}

/* ─── Scale pulse glow ─── */
@keyframes glowPulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(225, 22, 27, 0); }
    50%      { box-shadow: 0 0 30px 8px rgba(225, 22, 27, .35); }
}

/* ─── Border draw ─── */
@keyframes borderDraw {
    from { width: 0; }
    to   { width: 60px; }
}

/* ─── Marquee (slider infinito) ─── */
@keyframes marquee {
    from { transform: translateX(0); }
    to   { transform: translateX(-50%); }
}

/* ═══════════════════════════════════════════════════════════
   Clases utility para usar con IntersectionObserver
   ═══════════════════════════════════════════════════════════ */
.reveal {
    opacity: 0;
    transition: opacity 1s cubic-bezier(.25,.8,.25,1),
                transform 1s cubic-bezier(.25,.8,.25,1);
    will-change: transform, opacity;
}
.reveal-fade-up    { transform: translateY(60px); }
.reveal-fade-down  { transform: translateY(-60px); }
.reveal-fade-left  { transform: translateX(80px); }
.reveal-fade-right { transform: translateX(-80px); }
.reveal-zoom-in    { transform: scale(.85); }
.reveal-zoom-out   { transform: scale(1.15); }
.reveal-rotate     { transform: rotate(-6deg) scale(.9); }
.reveal-flip       { transform: perspective(600px) rotateX(45deg); }
.reveal.is-visible {
    opacity: 1;
    transform: translate(0) scale(1) rotate(0);
}

/* ═══════════════════════════════════════════════════════════
   Efectos de texto
   ═══════════════════════════════════════════════════════════ */
.idm-text-shine {
    background: linear-gradient(90deg,
        var(--idm-white) 0%,
        #ffb0b2 25%,
        var(--idm-white) 50%,
        #ffb0b2 75%,
        var(--idm-white) 100%);
    background-size: 200% auto;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: shimmer 4s linear infinite;
}

.idm-text-gradient {
    background: linear-gradient(135deg, var(--idm-red) 0%, #ff5257 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    font-weight: 800;
}

/* ═══════════════════════════════════════════════════════════
   Efectos de imagen / hover avanzado
   ═══════════════════════════════════════════════════════════ */
.idm-img-zoom {
    overflow: hidden;
    position: relative;
}
.idm-img-zoom img {
    transition: transform .8s cubic-bezier(.25,.8,.25,1);
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}
.idm-img-zoom:hover img {
    transform: scale(1.08);
}
.idm-img-zoom::after {
    content: '';
    position: absolute; inset: 0;
    background: linear-gradient(180deg, transparent 40%, rgba(0,0,0,.5) 100%);
    opacity: 0;
    transition: opacity .4s ease;
    pointer-events: none;
}
.idm-img-zoom:hover::after { opacity: 1; }

/* Reveal overlay (banda que se desliza al aparecer) ─── */
.idm-img-reveal { position: relative; overflow: hidden; }
.idm-img-reveal::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--idm-red);
    transform: scaleX(1);
    transform-origin: right;
    z-index: 3;
    transition: transform .9s cubic-bezier(.77,0,.18,1);
}
.idm-img-reveal.is-visible::before {
    transform: scaleX(0);
}

/* ═══════════════════════════════════════════════════════════
   Cursor / hover effects
   ═══════════════════════════════════════════════════════════ */
.idm-hover-lift {
    transition: transform .4s cubic-bezier(.25,.8,.25,1),
                box-shadow .4s cubic-bezier(.25,.8,.25,1);
}
.idm-hover-lift:hover {
    transform: translateY(-10px);
    box-shadow: 0 24px 60px rgba(0,0,0,.15);
}

.idm-hover-glow {
    transition: box-shadow .4s ease;
}
.idm-hover-glow:hover {
    box-shadow: 0 0 0 4px rgba(225,22,27,.15), 0 20px 50px rgba(225,22,27,.25);
}

/* Efecto tilt 3D */
.idm-tilt {
    transition: transform .5s cubic-bezier(.25,.8,.25,1);
    transform-style: preserve-3d;
}

/* ═══════════════════════════════════════════════════════════
   Botones con efectos
   ═══════════════════════════════════════════════════════════ */
.idm-btn-shine {
    position: relative;
    overflow: hidden;
}
.idm-btn-shine::before {
    content: '';
    position: absolute;
    top: 0; left: -100%;
    width: 100%; height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,.35), transparent);
    transition: left .7s ease;
}
.idm-btn-shine:hover::before { left: 100%; }

/* ═══════════════════════════════════════════════════════════
   Divisores decorativos
   ═══════════════════════════════════════════════════════════ */
.idm-wave-divider {
    position: relative;
    height: 80px;
    overflow: hidden;
    line-height: 0;
}
.idm-wave-divider svg {
    position: absolute;
    width: 100%;
    height: 100%;
    left: 0;
    bottom: 0;
}

/* ═══════════════════════════════════════════════════════════
   Loader / spinners
   ═══════════════════════════════════════════════════════════ */
@keyframes ringPulse {
    0%   { transform: scale(0); opacity: 1; }
    100% { transform: scale(2); opacity: 0; }
}
.idm-ring::after {
    content: '';
    position: absolute;
    inset: 0;
    border: 2px solid var(--idm-red);
    border-radius: 50%;
    animation: ringPulse 2s ease-out infinite;
}