/* RESET */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', sans-serif;
}

html, body {
    height: 100%;
}

/* BODY */
body {
    display: flex;
    flex-direction: column;
    background: linear-gradient(-45deg, #0f2027, #203a43, #2c7744, #0f2027);
    background-size: 400% 400%;
    animation: gradientBG 12s ease infinite;
    color: white;
    overflow-x: hidden;
}

/* ANIMAÇÃO FUNDO */
@keyframes gradientBG {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

/* HEADER */
header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 8%;
}

.logo {
    font-size: 24px;
    font-weight: bold;
}

nav a {
    text-decoration: none;
    color: white;
    margin-left: 20px;
    font-weight: 500;
    transition: 0.3s;
}

nav a:hover {
    opacity: 0.7;
}

/* HERO */
.hero {
    flex: 1;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 80px 8%;
    min-height: 85vh;
}

.hero-text {
    max-width: 550px;
    animation: fadeIn 1.5s ease-in-out;
}

.hero-text h1 {
    font-size: 48px;
    margin-bottom: 20px;
}

.hero-text p {
    font-size: 18px;
    margin-bottom: 30px;
    opacity: 0.9;
}

/* BOTÕES */
.btn {
    padding: 12px 25px;
    border-radius: 30px;
    border: none;
    cursor: pointer;
    font-size: 16px;
    font-weight: bold;
    margin-right: 15px;
    transition: 0.3s;
}

.btn-primary {
    background: white;
    color: #2c7744;
}

.btn-primary:hover {
    transform: translateY(-3px);
}

.btn-outline {
    background: transparent;
    border: 2px solid white;
    color: white;
}

.btn-outline:hover {
    background: white;
    color: #2c7744;
}

/* HERO IMAGE */
.hero-image {
    width: 420px;
    height: 420px;
    display: flex;
    justify-content: center;
    align-items: center;
    animation: float 4s ease-in-out infinite;
}

.glass-box {
    background: rgba(255,255,255,0.15);
    backdrop-filter: blur(15px);
    padding: 40px;
    border-radius: 25px;
    width: 100%;
}

.glass-box h3 {
    margin-bottom: 15px;
}

.glass-box p {
    margin-bottom: 8px;
}

/* ANIMAÇÕES */
@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
    100% { transform: translateY(0px); }
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateX(-50px); }
    to { opacity: 1; transform: translateX(0); }
}

/* SEÇÃO IA */
.ia-revolucao {
    padding: 100px 10%;
    background: #ffffff;
    color: #1a1a1a;
    text-align: center;
}

.ia-revolucao h2 {
    font-size: 2.8rem;
    margin-bottom: 10px;
    color: #2c7744;
}

.subtitulo {
    font-size: 1.2rem;
    margin-bottom: 40px;
    color: #555;
}

.frase-impacto {
    font-size: 1.8rem;
    margin-bottom: 60px;
    color: #1a1a1a;
    font-weight: 600;
}

.grid-ia {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.card-ia {
    background: #f8f8f8;
    padding: 35px;
    border-radius: 15px;
    border: 1px solid #e5e5e5;
    transition: all 0.3s ease;
}

.card-ia:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.08);
}

.card-ia h3 {
    margin-bottom: 15px;
    font-size: 1.2rem;
    color: #2c7744;
}

.destaque {
    border: 2px solid #2c7744;
    background: linear-gradient(135deg, #ffffff, #f0fff5);
}

/* CTA */
.cta {
    padding: 80px 8%;
    text-align: center;
    background: linear-gradient(135deg, #203a43, #2c7744);
    color: white;
}

.cta h2 {
    margin-bottom: 30px;
    font-size: 36px;
}

/* FOOTER */
footer {
    text-align: center;
    padding: 20px;
    background: rgba(0,0,0,0.2);
}