@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Playfair+Display:ital,wght@0,600;1,500&display=swap');

html {
    scroll-behavior: smooth;
}

body {
    padding-top: 0;
}

.hero-gradient {
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
}

.text-shadow {
    text-shadow: 0 2px 20px rgba(0,0,0,0.3);
}

.animate-fade-in {
    animation: fadeIn 1s ease-out forwards;
}

.animate-slide-up {
    animation: slideUp 0.8s ease-out forwards;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

.glass {
    background: rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.card-hover {
    transition: all 0.3s ease;
}
.card-hover:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
}

.brand-underline {
    position: relative;
    display: inline-block;
}
.brand-underline::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 60px;
    height: 3px;
    background: #dc2626;
    border-radius: 2px;
}

.contact-form input:focus,
.contact-form textarea:focus {
    border-color: #dc2626;
    ring: 2px solid #dc2626;
}

.scroll-animate {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s ease-out, transform 0.7s ease-out;
}
.scroll-animate.visible {
    opacity: 1;
    transform: translateY(0);
}

.whatsapp-btn {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 40;
    width: 56px;
    height: 56px;
    background: #25D366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 28px;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    transition: all 0.3s ease;
}
.whatsapp-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 30px rgba(37, 211, 102, 0.5);
    color: white;
}

.whatsapp-tooltip {
    position: absolute;
    right: 64px;
    background: white;
    color: #333;
    padding: 8px 16px;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 500;
    white-space: nowrap;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}
.whatsapp-btn:hover .whatsapp-tooltip {
    opacity: 1;
}

@media (max-width: 639px) {
    .whatsapp-btn {
        bottom: 16px;
        right: 16px;
        width: 48px;
        height: 48px;
        font-size: 22px;
    }
}