@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@400;500;600;700&display=swap');

:root {
  --blue: #00b3ff;
  --blue-light: #4cc8ff;
  --blue-hover: #3fd2ff;
  --bg: #050a13;
  --bg-soft: #0a1224;
  --text: #e0e8ff;
  --muted: #9fb0d7;
  --radius: 16px;
  --gap: 30px;
}

/* ===== BASE ===== */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: 'Poppins', system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  overflow-x: hidden;
}
.container {
  max-width: 960px;
  margin: 0 auto;
  /* padding: 0 30px; */
}

/* ===== HEADER ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(14px) saturate(180%);
  -webkit-backdrop-filter: blur(14px) saturate(180%);
  background: rgba(10, 20, 40, 0.45);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  box-shadow: 0 0 30px rgba(0, 179, 255, 0.08);
  transition: all 0.4s ease;
}
.header-inner {
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 10px;
}
.logo img {
  height: 80px;
}
.nav {
  display: flex;
  gap: var(--gap);
  align-items: center;
}
.nav a {
  color: var(--text);
  text-decoration: none;
  font-weight: 500;
  transition: 0.25s;
}
.nav a:hover {
  color: var(--blue);
}

/* ===== BOTÕES ===== */
.btn {
  display: inline-block;
  background: linear-gradient(135deg, var(--blue), var(--blue-light));
  color: #fff;
  border: 0;
  padding: 14px 40px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 600;
  font-size: 1rem;
  letter-spacing: 0.3px;
  text-align: center;
  transition: all 0.3s ease;
  box-shadow: 0 0 18px rgba(0, 179, 255, 0.35);
  margin: 30px auto 0 auto;
  min-width: 200px;
  max-width: 300px;
  width: 100%;
}
.btn:hover {
  background: linear-gradient(135deg, var(--blue-light), var(--blue));
  transform: translateY(-2px) scale(1.03);
  box-shadow: 0 0 30px rgba(0, 179, 255, 0.6);
}
.btn.outline {
  background: transparent;
  border: 2px solid var(--blue);
  color: var(--blue);
  box-shadow: inset 0 0 10px rgba(0, 179, 255, 0.25);
  min-width: 200px;
  max-width: 300px;
  margin: 30px auto 0 auto;
  width: 100%;
}
.btn.outline:hover {
  background: var(--blue);
  color: #fff;
  box-shadow: 0 0 26px rgba(0, 179, 255, 0.55);
}
.btn-small {
  padding: 10px 24px;
  font-size: 0.9rem;
  font-weight: 600;
  min-width: 180px;
}

/* ===== HERO ===== */
.hero {
  position: relative;
  overflow: hidden;
  min-height: 92vh;
  display: flex;
  align-items: center;
  background: radial-gradient(
      900px 500px at 50% 15%,
      rgba(76, 200, 255, 0.12),
      transparent 60%
    ),
    radial-gradient(
      900px 600px at 50% 85%,
      rgba(95, 0, 255, 0.08),
      transparent 60%
    ),
    linear-gradient(180deg, #071022 0%, var(--bg) 80%);
}
#particles {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero-wrap {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 40px;
  align-items: center;
  padding: 80px 0;
}
.hero-copy h1 {
  font-size: clamp(2.2rem, 4vw + 1rem, 3.6rem);
  line-height: 1.15;
}
.hero-copy h1 span {
  color: var(--blue);
}
.hero-copy p {
  color: #cfd7f3;
  margin-top: 10px;
  font-size: 1.08rem;
  line-height: 1.6;
}
.hero-cta {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  margin-top: 25px;
  justify-content: center;
}

/* ===== CLUSTER ===== */
.cluster {
  position: relative;
  justify-self: end;
  width: 480px;
  height: 480px;
}
.core {
  position: absolute;
  inset: 50% auto auto 50%;
  transform: translate(-50%, -50%);
  width: 200px;
  height: 200px;
  border-radius: 28px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(0, 179, 255, 0.25);
  display: grid;
  place-items: center;
  box-shadow: 0 0 30px rgba(0, 179, 255, 0.22),
    inset 0 0 30px rgba(0, 179, 255, 0.06);
  animation: pulse-core 3s ease-in-out infinite;
}
.core i {
  font-size: 84px;
  color: var(--blue);
}
@keyframes pulse-core {
  0%,
  100% {
    box-shadow: 0 0 30px rgba(0, 179, 255, 0.25),
      inset 0 0 20px rgba(0, 179, 255, 0.1);
  }
  50% {
    box-shadow: 0 0 60px rgba(0, 179, 255, 0.45),
      inset 0 0 40px rgba(0, 179, 255, 0.25);
  }
}
.orbit {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  animation: spin 32s linear infinite;
}
.orbit-2 {
  animation-duration: 48s;
  transform: scale(0.82);
}
.tech {
  position: absolute;
  font-size: 42px;
  color: var(--blue-light);
  filter: drop-shadow(0 0 10px rgba(0, 179, 255, 0.3));
  transition: 0.3s;
}
.tech:hover {
  color: #fff;
  filter: drop-shadow(0 0 16px rgba(0, 179, 255, 0.65));
  transform: scale(1.2);
}
.orbit-1 .tech:nth-child(1) {
  top: -6px;
  left: 50%;
  transform: translateX(-50%);
}
.orbit-1 .tech:nth-child(2) {
  top: 14%;
  right: 10%;
  transform: translate(50%, -50%);
}
.orbit-1 .tech:nth-child(3) {
  top: 40%;
  right: -6px;
  transform: translateY(-50%);
}
.orbit-1 .tech:nth-child(4) {
  top: 70%;
  right: 8%;
  transform: translate(50%, 50%);
}
.orbit-1 .tech:nth-child(5) {
  bottom: -6px;
  left: 50%;
  transform: translateX(-50%);
}
.orbit-1 .tech:nth-child(6) {
  bottom: 16%;
  left: 12%;
  transform: translate(-50%, 50%);
}
.orbit-1 .tech:nth-child(7) {
  top: 60%;
  left: -6px;
  transform: translateY(-50%);
}
.orbit-1 .tech:nth-child(8) {
  top: 28%;
  left: 4%;
  transform: translate(-50%, -50%);
}
.orbit-1 .tech:nth-child(9) {
  top: 8%;
  left: 30%;
  transform: translate(-50%, -50%);
}
.orbit-1 .tech:nth-child(10) {
  top: 82%;
  left: 70%;
  transform: translate(-50%, -50%);
}
@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* ===== SEÇÕES ===== */
.section {
  padding: 80px 30px;
  background: var(--bg);
  text-align: center;
}
.section-header {
  margin-bottom: 40px;
}
.section-header h2 {
  font-size: 2.2rem;
}
.section-header h2 span {
  color: var(--blue);
}
.section-header p {
  color: var(--muted);
}

/* splits */
.split {
  display: flex;
  gap: 60px;
  align-items: center;
  flex-wrap: wrap;
  justify-content: center;
  text-align: left;
}
.split.reverse {
  flex-direction: row-reverse;
}
.split-text {
  flex: 1;
  min-width: 300px;
}
.split-text h2 {
  font-size: 2.2rem;
  margin-bottom: 12px;
}
.split-text h2 span {
  color: var(--blue);
}
.bullets {
  margin: 16px 0 20px;
  color: #c7d3fa;
  font-size: 1rem;
  list-style: none;
}
.bullets li {
  margin: 6px 0;
}
.split-media {
  flex: 1;
  min-width: 300px;
}
.split-media img {
  width: 100%;
}

/* cards */
.grid {
  display: grid;
  gap: var(--gap);
}
.cards-4 {
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}
.cards-3 {
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}
.card {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(0, 179, 255, 0.18);
  border-radius: var(--radius);
  padding: 15px;
  transition: 0.3s;
}
.card:hover {
  transform: translateY(-6px);
  box-shadow: 0 0 26px rgba(0, 179, 255, 0.25);
}
.card.service {
  text-align: center;
}
.card.service .icon {
  font-size: 28px;
  color: var(--blue);
  margin-bottom: 12px;
}
.card img {
  width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: 12px;
  margin-bottom: 14px;
}

/* contato */
.contact-form {
  max-width: 820px;
  margin: 0 auto;
  text-align: left;
}
.row {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}
label {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 6px;
  color: var(--text);
}
input,
textarea {
  padding: 12px;
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  background: rgba(255, 255, 255, 0.04);
  color: #fff;
  font-size: 1rem;
}
.full {
  margin-top: 14px;
}

/* footer */
.footer {
  background: #000;
  text-align: center;
  color: #b8c2d6;
  padding: 50px 20px;
}
.footer span {
  color: var(--blue);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1200px) {
  .cluster {
    width: 400px;
    height: 400px;
  }
  .core {
    width: 160px;
    height: 160px;
  }
  .tech {
    font-size: 36px;
  }
}
@media (max-width: 980px) {
  .hero-wrap {
    grid-template-columns: 1fr;
    text-align: center;
    padding: 60px 0;
  }
  .cluster {
    justify-self: center;
    width: 320px;
    height: 320px;
    margin-top: 40px;
  }
  .core {
    width: 130px;
    height: 130px;
  }
  .tech {
    font-size: 30px;
  }
  .hero-copy h1 {
    font-size: 2rem;
  }
  .hero-copy p {
    font-size: 1rem;
  }
  .hero-cta {
    justify-content: center;
  }
}
@media (max-width: 768px) {
  .logo img {
    height: 48px;
  }
  .hero {
    min-height: 80vh;
    padding: 40px 0;
  }
  .split {
    flex-direction: column;
    gap: 30px;
    text-align: center;
  }
  .section {
    padding: 60px 20px;
  }
  .btn {
    min-width: 160px;
    max-width: 220px;
    padding: 12px 28px;
  }
}
@media (max-width: 480px) {
  body {
    font-size: 15px;
  }
  .hero-copy h1 {
    font-size: 1.8rem;
  }
  .cluster {
    width: 260px;
    height: 260px;
  }
  .core {
    width: 110px;
    height: 110px;
  }
  .tech {
    font-size: 26px;
  }
  .btn {
    font-size: 0.9rem;
    min-width: 140px;
    max-width: 200px;
  }
  .section-header h2 {
    font-size: 1.6rem;
  }
}

/* FOOTER COLUMNS LINKS */
.site-footer {
  background: #050505;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  margin-top: 3rem;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 2.5rem;
  padding: 3rem 1.5rem 2rem;
}

.footer-title {
  font-family: 'Oswald', system-ui, sans-serif;
  letter-spacing: 0.12em;
  font-size: 0.85rem;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}

.footer-text {
  font-size: 0.85rem;
  color: var(--text-soft);
  max-width: 320px;
}

.footer-columns {
  display: flex;
  gap: 3rem;
}

.footer-column h4 {
  font-size: 0.9rem;
  margin-bottom: 0.6rem;
}

.footer-column ul {
  list-style: none;
}

.footer-column li + li {
  margin-top: 0.35rem;
}

.footer-column a {
  color: var(--text-soft);
  font-size: 0.85rem;
  text-decoration: none;
}

.footer-column a:hover {
  color: var(--accent-yellow);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding: 0.75rem 0;
}

.footer-bottom-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
  color: var(--text-soft);
}

.footer-links {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.footer-links a {
  color: var(--text-soft);
  text-decoration: none;
}

.footer-links a:hover {
  color: var(--accent-yellow);
}

.footer-links .active {
  color: #e6b700 !important;
}
