:root {
  --bg: #030503;
  --bg-soft: #071007;
  --bg-card: rgba(9, 18, 10, 0.82);
  --green: #63ff3d;
  --green-strong: #4dff26;
  --green-soft: rgba(99, 255, 61, 0.12);
  --green-border: rgba(99, 255, 61, 0.35);
  --text: #f5f7f2;
  --text-soft: #b8c2b2;
  --text-muted: #7f8c78;
  --border: rgba(255, 255, 255, 0.08);
  --shadow-green: 0 0 35px rgba(99, 255, 61, 0.18);
  --container: 1180px;
  --radius: 22px;
  --radius-sm: 14px;
  --transition: 0.25s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  background:
    radial-gradient(circle at top left, rgba(99, 255, 61, 0.10), transparent 34%),
    radial-gradient(circle at top right, rgba(99, 255, 61, 0.06), transparent 30%),
    linear-gradient(180deg, #020302 0%, #050805 48%, #020302 100%);
  color: var(--text);
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.5;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(99, 255, 61, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(99, 255, 61, 0.035) 1px, transparent 1px);
  background-size: 80px 80px;
  mask-image: linear-gradient(to bottom, rgba(0,0,0,0.7), transparent 75%);
  z-index: -1;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
textarea {
  font: inherit;
}

.container {
  width: min(100% - 40px, var(--container));
  margin: 0 auto;
}

/* HEADER */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(3, 5, 3, 0.84);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}

.header-container {
  min-height: 86px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.brand {
  display: inline-flex;
  flex-direction: column;
  line-height: 1;
  letter-spacing: 4px;
  min-width: max-content;
}

.brand-main {
  font-size: 30px;
  font-weight: 800;
  color: var(--text);
}

.brand-sub {
  margin-top: 7px;
  font-size: 10px;
  font-weight: 700;
  color: var(--green);
  letter-spacing: 7px;
}

.desktop-nav {
  display: flex;
  align-items: center;
  gap: 34px;
}

.desktop-nav a {
  position: relative;
  font-size: 14px;
  color: var(--text-soft);
  transition: var(--transition);
}

.desktop-nav a:hover,
.desktop-nav a.active {
  color: var(--green);
}

.desktop-nav a.active::after,
.desktop-nav a:hover::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -14px;
  height: 2px;
  background: var(--green);
  box-shadow: 0 0 16px rgba(99, 255, 61, 0.8);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.login-types {
  display: flex;
  flex-direction: column;
  gap: 2px;
  font-size: 13px;
  color: var(--text-soft);
}

.login-types span::before {
  content: "♙";
  margin-right: 6px;
  color: var(--green);
}

.mobile-menu-btn {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--green-border);
  border-radius: 12px;
  background: rgba(99, 255, 61, 0.06);
  cursor: pointer;
}

.mobile-menu-btn span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 4px auto;
  background: var(--green);
  border-radius: 99px;
}

/* BUTTONS */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 50px;
  padding: 0 24px;
  border-radius: 12px;
  font-size: 15px;
  font-weight: 700;
  border: 1px solid transparent;
  transition: var(--transition);
  cursor: pointer;
}

.btn-green {
  background: linear-gradient(135deg, var(--green), #35d817);
  color: #071007;
  box-shadow: 0 0 22px rgba(99, 255, 61, 0.25);
}

.btn-green:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 32px rgba(99, 255, 61, 0.45);
}

.btn-outline {
  background: rgba(255, 255, 255, 0.02);
  color: var(--text);
  border-color: var(--green-border);
}

.btn-outline:hover {
  color: var(--green);
  background: var(--green-soft);
  box-shadow: var(--shadow-green);
}

.btn-small {
  min-height: 42px;
  padding: 0 20px;
  font-size: 14px;
}

/* HERO */

.hero-section {
  position: relative;
  padding: 78px 0 58px;
}

.hero-section::before {
  content: "";
  position: absolute;
  left: 5%;
  top: 90px;
  width: 270px;
  height: 1px;
  background: linear-gradient(90deg, var(--green), transparent);
  opacity: 0.5;
}

.hero-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  align-items: center;
  gap: 62px;
}

.section-tag {
  display: inline-flex;
  margin-bottom: 18px;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  color: var(--green);
}

.hero-content h1 {
  max-width: 560px;
  font-size: clamp(42px, 6vw, 72px);
  line-height: 1.02;
  letter-spacing: -2.5px;
}

.hero-content h1 strong {
  color: var(--green);
  text-shadow: 0 0 20px rgba(99, 255, 61, 0.35);
}

.hero-content p {
  max-width: 520px;
  margin-top: 24px;
  color: var(--text-soft);
  font-size: 17px;
}

.hero-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 34px;
}

.hero-video-box {
  position: relative;
  min-height: 390px;
  border: 1px solid var(--green-border);
  border-radius: 28px;
  overflow: hidden;
  background:
    radial-gradient(circle at center, rgba(99, 255, 61, 0.16), transparent 36%),
    linear-gradient(135deg, rgba(99, 255, 61, 0.10), transparent 42%),
    #050805;
  box-shadow:
    inset 0 0 0 1px rgba(255,255,255,0.03),
    0 0 45px rgba(99, 255, 61, 0.18);
}

.hero-video-box iframe {
  width: 100%;
  height: 100%;
  min-height: 390px;
  border: 0;
  display: block;
}

.video-placeholder {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  text-align: center;
  overflow: hidden;
}

.video-placeholder::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, transparent 0%, rgba(99, 255, 61, 0.13) 50%, transparent 100%),
    repeating-linear-gradient(
      90deg,
      rgba(99, 255, 61, 0.05) 0,
      rgba(99, 255, 61, 0.05) 1px,
      transparent 1px,
      transparent 70px
    );
  transform: perspective(500px) rotateX(54deg) translateY(120px);
  transform-origin: bottom;
}

.play-button {
  position: relative;
  z-index: 2;
  width: 88px;
  height: 88px;
  display: grid;
  place-items: center;
  border: 1px solid var(--green);
  border-radius: 24px;
  color: var(--green);
  font-size: 34px;
  background: rgba(99, 255, 61, 0.08);
  box-shadow: 0 0 36px rgba(99, 255, 61, 0.38);
}

.video-placeholder p {
  position: absolute;
  z-index: 2;
  bottom: 72px;
  font-size: 18px;
  font-weight: 800;
}

.video-placeholder small {
  position: absolute;
  z-index: 2;
  bottom: 47px;
  color: var(--text-muted);
  font-size: 13px;
}

.video-lines {
  position: absolute;
  inset: auto 36px 30px;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 12px;
}

.video-lines span {
  display: block;
  height: 4px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.12);
}

.video-lines span:nth-child(1) {
  width: 28px;
  background: var(--green);
}

.video-lines span:nth-child(2) {
  flex: 1;
}

.video-lines span:nth-child(3) {
  width: 80px;
}

/* HIGHLIGHTS */

.highlights-section {
  padding: 20px 0 42px;
}

.highlights-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.highlight-card,
.service-card,
.project-card,
.about-box {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: inset 0 0 0 1px rgba(255,255,255,0.02);
}

.highlight-card {
  padding: 34px;
  transition: var(--transition);
}

.highlight-card:hover,
.service-card:hover,
.project-card:hover {
  border-color: var(--green-border);
  transform: translateY(-4px);
  box-shadow: var(--shadow-green);
}

.card-icon {
  width: 62px;
  height: 62px;
  margin-bottom: 22px;
  display: grid;
  place-items: center;
  border: 1px solid var(--green-border);
  border-radius: 18px;
  color: var(--green);
  font-size: 28px;
  background: var(--green-soft);
}

.highlight-card h2 {
  font-size: 22px;
  margin-bottom: 10px;
}

.highlight-card p,
.service-card p,
.project-card p,
.about-section p,
.footer-brand p {
  color: var(--text-soft);
}

/* SECTIONS */

.services-section,
.projects-section,
.about-section {
  padding: 62px 0;
}

.section-heading {
  margin-bottom: 34px;
}

.section-heading h2 {
  max-width: 720px;
  font-size: clamp(30px, 4vw, 46px);
  line-height: 1.08;
  letter-spacing: -1.2px;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}

.service-card {
  min-height: 260px;
  padding: 34px 26px;
  text-align: center;
  transition: var(--transition);
}

.service-icon {
  width: 70px;
  height: 70px;
  margin: 0 auto 26px;
  display: grid;
  place-items: center;
  border-radius: 18px;
  color: var(--green);
  background: rgba(99, 255, 61, 0.08);
}

.service-icon::before {
  font-size: 42px;
  line-height: 1;
  color: var(--green);
  text-shadow: 0 0 16px rgba(99, 255, 61, 0.45);
}

.service-icon-code::before {
  content: "</>";
}

.service-icon-design::before {
  content: "✒";
}

.service-icon-video::before {
  content: "▶";
}

.service-icon-support::before {
  content: "▱";
}

.service-card h3 {
  margin-bottom: 12px;
  font-size: 21px;
}

.section-center {
  display: flex;
  justify-content: center;
  margin-top: 30px;
}

/* PROJECTS */

.projects-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}

.project-card {
  overflow: hidden;
  transition: var(--transition);
}

.project-thumb {
  height: 170px;
  display: flex;
  align-items: flex-end;
  padding: 18px;
  background:
    radial-gradient(circle at top right, rgba(99, 255, 61, 0.22), transparent 40%),
    linear-gradient(135deg, rgba(255,255,255,0.08), rgba(99,255,61,0.04)),
    #0b100b;
  border-bottom: 1px solid var(--border);
}

.project-thumb span {
  display: inline-flex;
  padding: 7px 11px;
  border: 1px solid var(--green-border);
  border-radius: 999px;
  background: rgba(0,0,0,0.35);
  color: var(--green);
  font-size: 12px;
  font-weight: 800;
}

.project-info {
  padding: 22px;
}

.project-info h3 {
  margin-bottom: 8px;
  font-size: 21px;
}

.project-info a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 18px;
  color: var(--green);
  font-weight: 800;
  font-size: 14px;
}

/* ABOUT */

.about-box {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 46px;
  padding: 42px;
  border-color: var(--green-border);
  background:
    radial-gradient(circle at top left, rgba(99, 255, 61, 0.10), transparent 35%),
    rgba(9, 18, 10, 0.78);
}

.about-box h2 {
  font-size: clamp(28px, 4vw, 42px);
  line-height: 1.1;
}

.about-box p {
  font-size: 17px;
}

/* FOOTER */

.site-footer {
  margin-top: 40px;
  border-top: 1px solid var(--green-border);
  background:
    radial-gradient(circle at top, rgba(99, 255, 61, 0.12), transparent 34%),
    #030503;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr repeat(4, 1fr);
  gap: 42px;
  padding: 58px 0 42px;
}

.footer-brand .brand-main {
  font-size: 28px;
}

.footer-brand p {
  max-width: 260px;
  margin-top: 22px;
}

.social-links {
  display: flex;
  gap: 10px;
  margin-top: 22px;
}

.social-links a {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border: 1px solid var(--green-border);
  border-radius: 50%;
  color: var(--green);
  font-size: 12px;
  font-weight: 800;
  transition: var(--transition);
}

.social-links a:hover {
  background: var(--green);
  color: #071007;
  box-shadow: var(--shadow-green);
}

.footer-column {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-column h3 {
  margin-bottom: 8px;
  font-size: 15px;
  color: var(--text);
}

.footer-column a,
.footer-column span {
  color: var(--text-soft);
  font-size: 14px;
  transition: var(--transition);
}

.footer-column a:hover {
  color: var(--green);
}

.footer-bottom {
  border-top: 1px solid var(--border);
}

.footer-bottom-content {
  min-height: 62px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  color: var(--text-muted);
  font-size: 13px;
}

.developed {
  color: var(--green);
  text-transform: uppercase;
  letter-spacing: 2px;
}

.developed strong {
  color: var(--green);
}

/* RESPONSIVO */

@media (max-width: 1024px) {
  .desktop-nav {
    gap: 22px;
  }

  .hero-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .hero-content {
    text-align: center;
  }

  .hero-content h1,
  .hero-content p {
    margin-left: auto;
    margin-right: auto;
  }

  .hero-buttons {
    justify-content: center;
  }

  .services-grid,
  .projects-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 760px) {
  .container {
    width: min(100% - 28px, var(--container));
  }

  .site-header {
    position: sticky;
  }

  .header-container {
    position: relative;
    min-height: 76px;
    justify-content: center;
  }

  .brand {
    align-items: center;
    text-align: center;
  }

  .brand-main {
    font-size: 24px;
  }

  .brand-sub {
    font-size: 8px;
    letter-spacing: 5px;
  }

  .desktop-nav {
    display: none;
  }

  .mobile-menu-btn {
    position: absolute;
    left: 0;
    display: block;
  }

  .header-actions {
    position: absolute;
    right: 0;
  }

  .login-types {
    display: none;
  }

  .header-actions .btn {
    width: 42px;
    min-width: 42px;
    height: 42px;
    min-height: 42px;
    padding: 0;
    border-radius: 12px;
    font-size: 0;
  }

  .header-actions .btn span {
    font-size: 20px;
  }

  .hero-section {
    padding: 48px 0 34px;
  }

  .hero-content h1 {
    font-size: 42px;
    letter-spacing: -1.5px;
  }

  .hero-content p {
    font-size: 15px;
  }

  .hero-buttons {
    flex-direction: column;
  }

  .hero-buttons .btn {
    width: 100%;
  }

  .hero-video-box {
    min-height: 245px;
    border-radius: 22px;
  }

  .hero-video-box iframe {
    min-height: 245px;
  }

  .play-button {
    width: 68px;
    height: 68px;
    font-size: 26px;
    border-radius: 18px;
  }

  .highlights-grid,
  .services-grid,
  .projects-grid,
  .about-box,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .highlight-card,
  .service-card {
    padding: 28px;
  }

  .services-section,
  .projects-section,
  .about-section {
    padding: 44px 0;
  }

  .project-thumb {
    height: 150px;
  }

  .about-box {
    padding: 30px;
    gap: 22px;
  }

  .footer-grid {
    gap: 32px;
    padding-top: 46px;
  }

  .footer-bottom-content {
    flex-direction: column;
    justify-content: center;
    text-align: center;
    padding: 18px 0;
  }
}

@media (max-width: 420px) {
  .hero-content h1 {
    font-size: 36px;
  }

  .section-heading h2 {
    font-size: 30px;
  }

  .highlight-card,
  .service-card,
  .project-info,
  .about-box {
    padding: 24px;
  }
}

.mobile-nav {
  display: none;
}

@media (max-width: 760px) {
  .mobile-nav {
    position: fixed;
    top: 76px;
    left: 14px;
    right: 14px;
    z-index: 49;
    display: none;
    flex-direction: column;
    gap: 8px;
    padding: 18px;
    border: 1px solid var(--green-border);
    border-radius: 18px;
    background: rgba(3, 5, 3, 0.96);
    backdrop-filter: blur(18px);
    box-shadow: 0 0 35px rgba(99, 255, 61, 0.18);
  }

  .site-header.menu-open .mobile-nav {
    display: flex;
  }

  .mobile-nav a {
    padding: 14px 16px;
    border-radius: 12px;
    color: var(--text);
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid transparent;
    font-weight: 700;
  }

  .mobile-nav a:hover {
    color: var(--green);
    border-color: var(--green-border);
    background: var(--green-soft);
  }

  .mobile-nav .mobile-login {
    margin-top: 8px;
    text-align: center;
    color: #071007;
    background: linear-gradient(135deg, var(--green), #35d817);
    box-shadow: 0 0 22px rgba(99, 255, 61, 0.25);
  }

  .site-header.menu-open .mobile-menu-btn span:nth-child(1) {
    transform: translateY(6px) rotate(45deg);
  }

  .site-header.menu-open .mobile-menu-btn span:nth-child(2) {
    opacity: 0;
  }

  .site-header.menu-open .mobile-menu-btn span:nth-child(3) {
    transform: translateY(-6px) rotate(-45deg);
  }

  .mobile-menu-btn span {
    transition: 0.2s ease;
  }
}