:root {
    --white: rgba(255, 255, 255, 1);
    --grey1: rgba(156, 163, 175, 1);
    --grey2: rgba(55, 65, 81, 1);
    --black: rgba(5, 5, 5, 1);
    --blue: rgba(17, 24, 39, 1);
    --green1: rgba(34, 197, 94, 1);
    --green2: rgba(74, 222, 128, 1);
    --green3: rgba(21, 128, 61, 1);
}

body {
    padding: 0;
    margin: 0;
    background-color: var(--blue);
}

.logo {
    width: 180px;
    height: auto;
}

.social-icon {
    width: 24px;
    height: 24px;
    object-fit: contain;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 100px;
}

.glow-text {
    text-shadow: 0 0 20px rgba(74, 222, 128, 0.4), 0 0 40px rgba(74, 222, 128, 0.2);
}

.fade-in-up {
    opacity: 0;
    transform: translateY(24px);
    animation: fadeInUp 0.7s ease-out forwards;
}

.fade-in-up-delay-1 {
    animation-delay: 0.1s;
}

.fade-in-up-delay-2 {
    animation-delay: 0.2s;
}

.fade-in-up-delay-3 {
    animation-delay: 0.3s;
}

.fade-in-up-delay-4 {
    animation-delay: 0.4s;
}

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.card-hover {
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.card-hover:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.4);
    border-color: var(--green2);
}

.btn-primary {
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.btn-primary::after {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(255, 255, 255, 0.1);
    transform: translateX(-100%);
    transition: transform 0.3s ease;
}

.btn-primary:hover::after {
    transform: translateX(0);
}

.btn-primary:hover {
    transform: scale(1.03);
    box-shadow: 0 8px 24px rgba(74, 222, 128, 0.25);
}

.btn-secondary {
    transition: all 0.3s ease;
}

.btn-secondary:hover {
    background: var(--green2);
    color: var(--blue);
    border-color: var(--green2);
}

/* Menu mobile */
.mobile-menu {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, opacity 0.3s ease;
    opacity: 0;
}

.mobile-menu.open {
    max-height: 300px;
    opacity: 1;
}

.hamburger-line {
    transition: all 0.3s ease;
}

.hamburger.open .hamburger-line:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.open .hamburger-line:nth-child(2) {
    opacity: 0;
}

.hamburger.open .hamburger-line:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* WhatsApp float pulse */
@keyframes pulse-green {

    0%,
    100% {
        box-shadow: 0 0 0 0 rgba(74, 222, 128, 0.5);
    }

    70% {
        box-shadow: 0 0 0 16px rgba(74, 222, 128, 0);
    }
}

.whatsapp-float {
    animation: pulse-green 2s infinite;
}

/* Skip link para acessibilidade */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--green2);
    color: var(--blue);
    padding: 8px 16px;
    z-index: 100;
    transition: top 0.3s;
    font-weight: bold;
    border-radius: 0 0 8px 0;
}

.skip-link:focus {
    top: 0;
}