body {
    margin: auto;
    font-family: -apple-system, BlinkMacSystemFont, sans-serif;
    overflow: auto;
    background: linear-gradient(315deg, rgba(101, 0, 94, 1) 3%, rgba(60, 132, 206, 1) 38%, rgba(48, 238, 226, 1) 68%, rgba(255, 25, 25, 1) 98%);
    animation: gradient 15s ease infinite;
    background-size: 400% 400%;
    background-attachment: fixed;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #030213;
    --background: #ffffff;
    --foreground: #1a1a1a;
    --muted: #717182;
    --border: rgba(0, 0, 0, 0.1);
    --card: #ffffff;
    --accent: #e9ebef;
}

/* HEADER */
header {
    position: fixed;
    width: 100%;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    z-index: 1000;
}

nav {
    max-width: 1280px;
    margin: auto;
    padding: 0 1.5rem;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    font-weight: 600;
}

nav a {
    color: var(--muted);
    text-decoration: none;
}

/* HERO */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 5rem 1.5rem;
}

h1 {
    font-size: clamp(2rem, 5vw, 3.5rem);
    margin-bottom: 1.5rem;
}

.highlight {
    color: #030213;
    display: block;
}

.hero p {
    color: var(--muted);
    max-width: 900px;
    margin: 0 auto 1rem;
}

.hero-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
}

.hero-title p,
.hero-title span {
    color: white;
    font-size: 50px;
    font-family: monospace;
    font-weight: bold;
}

.hero-description p {
    color: white;
}

/* FEATURES */
.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    max-width: 1000px;
    margin: auto;
    margin-top: 10px;
}

.card {
    padding: 2rem;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 12px;
    transition: 0.3s;
}

.card:hover {
    border-color: #030213;
    transform: translateY(-4px);
}

.card2 {
    background: var(--card);
    border: 2px solid var(--border);
    border-radius: 12px;
    transition: 0.3s;
    min-height: 300px;
    width: 85%;
    padding: 20px;
    margin: 0 auto;
    display: flex;
    align-items: center;
}

.card2:hover {
    border-color: #030213;
    transform: translateY(-6px);
}

.row {
    display: flex;
    justify-content: center;
    /* centraliza horizontal */
    align-items: center;
    /* centraliza vertical */
    text-align: center;
    height: 100%;
}

.custom-btn {
    display: inline-flex;
    padding: 1rem 2rem;
    margin-top: 10px;
    background-color: #030213;
    color: white;
    text-decoration: none;
    border-radius: 8px;
}

.custom-btn:hover {
    transform: translateY(-3px);
    opacity: 0.9;
    color: white;
}

.btn-contato:hover {
    color: #f58200;
}

.custom-btn.dropdown-toggle::after {
  margin-left: 10px; /* espaço entre texto e ícone */
}

/* CONTATO 
    .contato {
      background: var(--accent);
      padding: 40px 10px;
      text-align: center;
      background: linear-gradient(to bottom, #000000 0%, #000000 60%, #ffffff 100%, #ffffff 100%);
    }*/

.contato {
    padding: 70px 10px 150px;

    text-align: center;

    background: linear-gradient(to bottom,
            #000 0%,
            #000 55%,
            #ffffff 55%,
            #dfdddd 100%);
}

.contato h2 {
    font-size: 3rem;
    text-transform: uppercase;
    margin-bottom: 10px;
}

.linha {
    width: 65px;
    height: 5px;
    background: #f58200;
    margin: 20px auto;
}

.contato p.desc {
    max-width: 600px;
    margin: auto;
    margin-bottom: 40px;
    color: white;
}

.box {
    background: white;
    padding: 30px;
    border-radius: 10px;
    border: 1px solid var(--border);
}

.box h3 {
    margin-top: 15px;
    margin-bottom: 10px;
}

.box p {
    color: var(--muted);
}

/* FOOTER */
footer {
    padding: 20px 10px 10px 10px;
    text-align: center;
    border-top: 1px solid var(--border);
    background: var(--card);
}

.icon-circle {
    width: 90px;
    height: 90px;

    background: #f58200;

    border-radius: 50%;

    display: flex;
    align-items: center;
    justify-content: center;

    margin: 0 auto 20px;
}

.icon-svg {
    width: 40px;
    height: 40px;
    fill: white;
}

@keyframes gradient {
    0% {
        background-position: 0% 0%;
    }

    50% {
        background-position: 100% 100%;
    }

    100% {
        background-position: 0% 0%;
    }
}

.wave {
    background: rgb(255 255 255 / 25%);
    border-radius: 1000% 1000% 0 0;
    position: fixed;
    width: 200%;
    height: 12em;
    animation: wave 10s -3s linear infinite;
    transform: translate3d(0, 0, 0);
    opacity: 0.8;
    bottom: 0;
    left: 0;
    z-index: -1;
}

.wave:nth-of-type(2) {
    bottom: -1.25em;
    animation: wave 18s linear reverse infinite;
    opacity: 0.8;
}

.wave:nth-of-type(3) {
    bottom: -2.5em;
    animation: wave 20s -1s reverse infinite;
    opacity: 0.9;
}



@keyframes wave {
    2% {
        transform: translateX(1);
    }

    25% {
        transform: translateX(-25%);
    }

    50% {
        transform: translateX(-50%);
    }

    75% {
        transform: translateX(-25%);
    }

    100% {
        transform: translateX(1);
    }
}

.u-clearfix:after,
.u-clearfix:before {
    content: '';
    display: table;
}

.u-clearfix:after {
    clear: both;
}

.u-backlink {
    position: relative;
    text-align: center;
    padding: 1em;
}

.u-link,
a {
    border-top-width: 0;
    border-left-width: 0;
    border-right-width: 0;
}

.u-link {
    display: table;
    border-style: solid;
    border-bottom-width: 0;
    white-space: nowrap;
    align-self: flex-start;
}

.u-link,
.u-link:hover,
.u-link:focus {
    text-decoration: none;
}

.u-link:focus,
.u-link:active:focus,
.u-link.active:focus {
    outline: thin dotted;
    outline: 5px auto -webkit-focus-ring-color;
    outline-offset: -2px;
}

/* =========================
   RESPONSIVO - TABLET
========================= */
@media (max-width: 768px) {
  body {
    background-attachment: scroll;
  }

  header {
    padding: 8px 0;
  }

  nav {
    height: auto;
    flex-direction: column;
    gap: 8px;
    padding: 10px 1rem;
  }

  .logo {
    font-size: 0.9rem;
    text-align: center;
  }

  nav a {
    font-size: 0.85rem;
  }

  .hero {
    min-height: auto;
    padding: 130px 1rem 70px;
  }

  .hero-content {
    width: 100%;
    gap: 18px;
  }

  .hero-title p,
  .hero-title span {
    font-size: 2rem;
    line-height: 1.2;
  }

  .hero-description p {
    max-width: 100%;
    font-size: 1rem;
    line-height: 1.5;
  }

  .features {
    width: 100%;
    grid-template-columns: 1fr;
    gap: 1rem;
    margin-top: 10px;
  }

  .card {
    width: 100%;
    padding: 1.5rem;
  }

  .custom-btn {
    width: 100%;
    max-width: 330px;
    justify-content: center;
    text-align: center;
    padding: 0.9rem 1.2rem;
  }

  .contato {
    padding: 60px 15px 90px;
  }

  .contato h2 {
    font-size: 2.2rem;
  }

  .contato p.desc {
    max-width: 100%;
    font-size: 1rem;
  }

  .card2 {
    width: 100%;
    min-height: auto;
    padding: 30px 15px;
  }

  .row {
    gap: 30px;
  }

  .col-md-4 {
    width: 100%;
  }

  .icon-circle {
    width: 80px;
    height: 80px;
  }

  .icon-svg {
    width: 36px;
    height: 36px;
  }

  footer a,
  footer p {
    display: block !important;
    margin: 0;
  }

  footer span {
    font-size: 16px !important;
  }
}


/* =========================
   RESPONSIVO - CELULAR PEQUENO
========================= */
@media (max-width: 480px) {
  .hero {
    padding: 80px 0.8rem 60px;
  }

  .hero-title p,
  .hero-title span {
    font-size: 1.65rem;
  }

  .hero-description p {
    font-size: 0.95rem;
  }

  .card {
    padding: 1.25rem;
  }

  .card h3 {
    font-size: 1.2rem;
  }

  .card p {
    font-size: 0.95rem;
  }

  .custom-btn {
    max-width: 100%;
    font-size: 0.95rem;
  }

  .contato h2 {
    font-size: 1.8rem;
  }

  .contato p.desc {
    font-size: 0.95rem;
  }

  .card2 {
    padding: 25px 10px;
  }

  .wave {
    height: 8em;
  }

  footer {
    padding: 20px 10px 30px 10px;
  }
}