/* RESET + BASE */
* {
    box-sizing: border-box;
    font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
}

html {
    height: 100%;
}

/* FUNDO BASE — mobile safe */
body {
    margin: 0;
    min-height: 100dvh; /* corrige vh em mobile */
    background: linear-gradient(135deg, #081824, #0d2c3f, #123f55);
    color: #e6f3ff;
    overflow-x: hidden;
}

/* SHAPES ORGÂNICOS */
.bg-shape {
    position: fixed;
    width: min(520px, 90vw);
    height: min(520px, 90vw);
    border-radius: 50%;
    filter: blur(150px);
    opacity: 0.45;
    z-index: 0;
    pointer-events: none;
}

.shape-1 {
    background: #1fb6ff;
    top: -200px;
    left: -200px;
}

.shape-2 {
    background: #0d99ff;
    bottom: -200px;
    right: -200px;
}

/* TOPO */
.topo {
    position: relative;
    z-index: 2;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: clamp(20px, 4vw, 28px) clamp(20px, 6vw, 48px);
    gap: 16px;
}

.logo-topo {
    height: clamp(44px, 8vw, 58px);
    border-radius: 10px;
}

.topo nav {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
}

.topo nav a {
    margin-left: 26px;
    text-decoration: none;
    font-weight: 600;
    color: #e6f3ff;
}

.btn-login {
    padding: 10px 22px;
    border-radius: 14px;
    background: linear-gradient(135deg, #1fb6ff, #0d99ff);
    color: #02121d !important;
}

/* CONTEÚDO */
.conteudo {
    position: relative;
    z-index: 1;
}

/* HERO */
.hero {
    text-align: center;
    padding: clamp(100px, 18vh, 140px) 20px clamp(80px, 14vh, 100px);
}

.hero h1 {
    font-size: clamp(2.6rem, 6vw, 4.2rem);
    margin-bottom: 26px;
}

.hero p {
    max-width: 820px;
    margin: 0 auto 44px;
    font-size: clamp(1.2rem, 3.8vw, 1.55rem);
    line-height: 1.6;
    color: #cfe9ff;
}

.cta {
    display: inline-block;
    padding: 16px 44px;
    border-radius: 18px;
    background: linear-gradient(135deg, #1fb6ff, #0d99ff);
    color: #02121d;
    text-decoration: none;
    font-weight: 700;
    font-size: 1.05rem;
}

.badge {
    display: block;
    margin-top: 18px;
    font-size: 0.95rem;
    opacity: 0.7;
}

/* FEATURES */
.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: clamp(20px, 4vw, 32px);
    padding: clamp(60px, 10vw, 90px) clamp(24px, 6vw, 60px);
}

.card {
    background: rgba(8, 24, 36, 0.55);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-radius: 22px;
    padding: 40px 26px;
    text-align: center;
    font-weight: 600;
    font-size: 1.1rem;
    box-shadow: 0 25px 70px rgba(0,0,0,0.6);
    transition: transform 0.25s ease;
}

.card:hover {
    transform: translateY(-6px);
}

/* VISÃO / FUTURO */
.visao,
.futuro {
    padding: clamp(70px, 12vw, 100px) 30px;
    text-align: center;
}

.visao h2,
.futuro h2 {
    font-size: clamp(1.9rem, 5vw, 2.4rem);
    margin-bottom: 24px;
}

.visao p {
    max-width: 720px;
    margin: 0 auto;
    font-size: clamp(1.05rem, 3.5vw, 1.2rem);
    color: #cfe9ff;
}

/* FUTURO */
.futuro ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.futuro li {
    margin: 14px 0;
    font-size: clamp(1.05rem, 3.5vw, 1.2rem);
}

/* FOOTER */
.social {
    text-align: center;
    padding: clamp(32px, 6vw, 48px);
}

.social a {
    margin: 0 20px;
    text-decoration: none;
    font-weight: 600;
    color: #e6f3ff;
}

/* MOBILE */
@media (max-width: 768px) {
    .topo {
        flex-direction: column;
    }

    .topo nav a {
        margin: 8px 12px;
    }
}

/* TELAS MUITO PEQUENAS */
@media (max-width: 360px) {
    .hero {
        padding-top: 90px;
    }
}

/* ULTRAWIDE */
@media (min-width: 1400px) {
    .bg-shape {
        filter: blur(180px);
        opacity: 0.4;
    }
}