/* ============================================
   ANIMACIONESINDEX.CSS
   Animaciones específicas del Index
   ============================================ */

/* ============================================
   SCROLL REVEAL — FADE IN
   ============================================ */

.fade-in {
    opacity: 0;
    transform: translateY(32px);
    transition: opacity 0.75s cubic-bezier(0.22, 1, 0.36, 1),
                transform 0.75s cubic-bezier(0.22, 1, 0.36, 1);
}
.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

.fade-in-left {
    opacity: 0;
    transform: translateX(-50px);
    transition: opacity 0.75s cubic-bezier(0.22, 1, 0.36, 1),
                transform 0.75s cubic-bezier(0.22, 1, 0.36, 1);
}
.fade-in-left.visible {
    opacity: 1;
    transform: translateX(0);
}

.fade-in-right {
    opacity: 0;
    transform: translateX(50px);
    transition: opacity 0.75s cubic-bezier(0.22, 1, 0.36, 1),
                transform 0.75s cubic-bezier(0.22, 1, 0.36, 1);
}
.fade-in-right.visible {
    opacity: 1;
    transform: translateX(0);
}

.fade-in-scale {
    opacity: 0;
    transform: scale(0.92) translateY(24px);
    transition: opacity 0.75s cubic-bezier(0.22, 1, 0.36, 1),
                transform 0.75s cubic-bezier(0.22, 1, 0.36, 1);
}
.fade-in-scale.visible {
    opacity: 1;
    transform: scale(1) translateY(0);
}

/* ============================================
   STAGGER GRID — CHILDREN ANIMATION
   ============================================ */

.stagger-item {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 0.6s cubic-bezier(0.22, 1, 0.36, 1),
                transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}
.stagger-item.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ============================================
   SECTION TITLE — UNDERLINE EXPAND
   ============================================ */

.section-title .underline {
    width: 0;
    height: 3px;
    background: var(--azul-acento);
    border-radius: 2px;
    transition: width 0.7s cubic-bezier(0.22, 1, 0.36, 1) 0.2s;
    margin: 10px auto 0;
}
.section-title.visible .underline {
    width: 60px;
}

/* ============================================
   HERO — SCROLL INDICATOR
   ============================================ */

.hero-scroll-indicator {
    position: absolute;
    bottom: 36px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 3;
    display: flex;
    flex-direction: column;
    align-items: center;
    animation: fadeInUp 1s ease 1.2s both;
}

.hero-scroll-indicator span {
    display: block;
    width: 22px;
    height: 36px;
    border: 2px solid rgba(255, 255, 255, 0.7);
    border-radius: 12px;
    position: relative;
}

.hero-scroll-indicator span::before {
    content: '';
    position: absolute;
    top: 5px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 8px;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 2px;
    animation: scrollDot 1.8s ease-in-out infinite;
}

@keyframes scrollDot {
    0%   { top: 5px; opacity: 1; }
    80%  { top: 18px; opacity: 0; }
    100% { top: 5px; opacity: 0; }
}

/* ============================================
   TRUST BANNER — COUNTER SUFFIX
   ============================================ */

.trust-suffix {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--azul-acento);
    line-height: 1;
}

/* ============================================
   CARD ICONS — POP IN ON REVEAL
   ============================================ */

.card-icon {
    display: inline-block;
    transform: scale(0.6) rotate(-15deg);
    opacity: 0;
    transition: transform 0.5s cubic-bezier(0.34, 1.56, 0.64, 1) 0.15s,
                opacity 0.4s ease 0.15s;
}
.stagger-item.visible .card-icon {
    transform: scale(1) rotate(0deg);
    opacity: 1;
}

/* ============================================
   HOVER EFFECTS — CARDS
   ============================================ */

.hover-lift {
    transition: transform 0.35s cubic-bezier(0.22, 1, 0.36, 1),
                box-shadow 0.35s cubic-bezier(0.22, 1, 0.36, 1);
}
.hover-lift:hover {
    transform: translateY(-8px);
    box-shadow: var(--sombra-fuerte);
}

.hover-shine {
    position: relative;
    overflow: hidden;
}
.hover-shine::after {
    content: '';
    position: absolute;
    top: -60%;
    left: -60%;
    width: 220%;
    height: 220%;
    background: linear-gradient(
        105deg,
        transparent 40%,
        rgba(255, 255, 255, 0.18) 50%,
        transparent 60%
    );
    transform: translateX(-100%) rotate(25deg);
    transition: transform 0.55s ease;
}
.hover-shine:hover::after {
    transform: translateX(100%) rotate(25deg);
}

/* ============================================
   FLOTA ITEMS — ICON BOUNCE ON HOVER
   ============================================ */

.flota-item:hover .flota-icono i {
    animation: iconBounce 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes iconBounce {
    0%   { transform: translateY(0) scale(1); }
    40%  { transform: translateY(-10px) scale(1.15); }
    70%  { transform: translateY(-4px) scale(1.05); }
    100% { transform: translateY(0) scale(1); }
}

/* ============================================
   LOADING SKELETON
   ============================================ */

.skeleton {
    background: linear-gradient(
        90deg,
        var(--gris-sutil) 25%,
        var(--blanco-hueso) 50%,
        var(--gris-sutil) 75%
    );
    background-size: 200% 100%;
    animation: skeletonSwipe 1.5s infinite;
    border-radius: var(--borde-redondo);
}

@keyframes skeletonSwipe {
    0%   { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* ============================================
   SHAKE
   ============================================ */

@keyframes ferre-shake {
    0%, 100% { transform: translateX(0); }
    25%       { transform: translateX(-6px); }
    75%       { transform: translateX(6px); }
}
.shake { animation: ferre-shake 0.45s ease; }

/* ============================================
   GRADIENT TEXT
   ============================================ */

.animated-gradient-text {
    background: linear-gradient(
        90deg,
        var(--azul-marino-primario),
        var(--azul-acento),
        var(--azul-marino-primario)
    );
    background-size: 200% auto;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: gradientShift 3s linear infinite;
}

@keyframes gradientShift {
    to { background-position: 200% center; }
}

/* ============================================
   UTILITIES
   ============================================ */

.delay-100 { transition-delay: 0.1s !important; }
.delay-200 { transition-delay: 0.2s !important; }
.delay-300 { transition-delay: 0.3s !important; }
.delay-400 { transition-delay: 0.4s !important; }
.delay-500 { transition-delay: 0.5s !important; }

/* ============================================
   REDUCED MOTION
   ============================================ */

@media (prefers-reduced-motion: reduce) {
    .fade-in,
    .fade-in-left,
    .fade-in-right,
    .fade-in-scale,
    .stagger-item {
        opacity: 1 !important;
        transform: none !important;
        transition: none !important;
    }
    .hero-scroll-indicator,
    .card-icon {
        animation: none !important;
        opacity: 1 !important;
        transform: none !important;
    }
    .section-title .underline {
        width: 60px !important;
        transition: none !important;
    }
}