/* ===== SCROLL REVEAL ANIMATIONS ===== */

.reveal {
    opacity: 0;
    transform: translateY(25px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

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

/* Cards scale */
.client-card.reveal,
.service-card.reveal,
.tech-column.reveal,
.solution-item.reveal,
.impact-item.reveal,
.case-card.reveal,
.stat-item.reveal {
    transform: translateY(25px) scale(0.98);
}

.client-card.revealed,
.service-card.revealed,
.tech-column.revealed,
.solution-item.revealed,
.impact-item.revealed,
.case-card.revealed,
.stat-item.revealed {
    transform: translateY(0) scale(1);
}

/* ★ FIX: Feature items ALWAYS visible - never hide them */
.feature-item.reveal {
    opacity: 1 !important;
    transform: none !important;
}

.feature-item.revealed {
    opacity: 1 !important;
    transform: none !important;
}

/* Challenge cards */
.challenge-card.reveal {
    transform: translateX(-15px);
    transition: opacity 0.5s ease-out, transform 0.5s ease-out;
}

.challenge-card.revealed { transform: translateX(0); }

/* Hero */
.hero-content.reveal,
.case-study-hero .container.reveal {
    transform: translateY(35px);
    transition: opacity 0.7s ease-out, transform 0.7s ease-out;
}

.hero-content.revealed,
.case-study-hero .container.revealed {
    transform: translateY(0);
}

/* Profile card */
.profile-card.reveal {
    transform: translateY(15px) scale(0.97);
    transition: opacity 0.5s ease-out, transform 0.5s cubic-bezier(0.34,1.56,0.64,1);
}

.profile-card.revealed { transform: translateY(0) scale(1); }

/* ===== HOVER EFFECTS ===== */

.tech-tag {
    transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

.cta-button {
    position: relative;
    overflow: hidden;
}

.cta-button::before {
    content: '';
    position: absolute;
    top: 50%; left: 50%;
    width: 0; height: 0;
    background: rgba(255,255,255,0.15);
    border-radius: 50%;
    transform: translate(-50%,-50%);
    transition: width 0.5s, height 0.5s;
}

.cta-button:hover::before { width: 300px; height: 300px; }

/* ===== WHATSAPP BUTTON ===== */

.whatsapp-float {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 56px;
    height: 56px;
    background: #25D366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 20px rgba(37,211,102,0.35);
    z-index: 9999;
    text-decoration: none;
    cursor: pointer;
    opacity: 0;
    transform: scale(0.5) translateY(20px);
    transition: opacity 0.4s, transform 0.4s cubic-bezier(0.34,1.56,0.64,1), box-shadow 0.3s;
}

.whatsapp-float.whatsapp-visible {
    opacity: 1;
    transform: scale(1) translateY(0);
}

.whatsapp-float:hover {
    transform: scale(1.1) translateY(-3px);
    box-shadow: 0 8px 30px rgba(37,211,102,0.5);
}

.whatsapp-float::after {
    content: '';
    position: absolute;
    width: 56px; height: 56px;
    border-radius: 50%;
    background: rgba(37,211,102,0.25);
    animation: whatsappPulse 2s ease-out infinite;
    z-index: -1;
}

@keyframes whatsappPulse {
    0% { transform: scale(1); opacity: 0.5; }
    100% { transform: scale(1.6); opacity: 0; }
}

.whatsapp-tooltip {
    position: absolute;
    right: 68px;
    top: 50%;
    transform: translateY(-50%);
    background: var(--primary-text, #1e2a3a);
    color: white;
    padding: 0.4rem 0.8rem;
    border-radius: 6px;
    font-size: 0.78rem;
    font-weight: 600;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s;
    font-family: 'Montserrat', sans-serif;
}

.whatsapp-tooltip::after {
    content: '';
    position: absolute;
    left: 100%; top: 50%;
    transform: translateY(-50%);
    border: 5px solid transparent;
    border-left-color: var(--primary-text, #1e2a3a);
}

.whatsapp-float:hover .whatsapp-tooltip { opacity: 1; }

@media (max-width: 768px) {
    .whatsapp-float { bottom: 16px; right: 16px; width: 50px; height: 50px; }
    .whatsapp-float::after { width: 50px; height: 50px; }
    .whatsapp-float svg { width: 24px; height: 24px; }
    .whatsapp-tooltip { display: none; }
}

@media (prefers-reduced-motion: reduce) {
    .reveal { opacity: 1; transform: none; transition: none; }
    .reveal.revealed { transform: none; }
    .whatsapp-float, .whatsapp-float.whatsapp-visible { transition: none; opacity: 1; transform: scale(1); }
    .whatsapp-float::after { animation: none; }
    .cta-button::before { display: none; }
    *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}