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

:root {
  --bg: #ffffff;
  --text: #0f172a;
  --muted: #475569;
  --border: #e2e8f0;
  --soft: #f8fafc;
  --primary: #0ea5e9;
  --primary-hover: #0284c7;
  --chip: #f1f5f9;
}

body {
  font-family: Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

a {
  color: inherit;
}

.container {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 20px;
}

header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.92);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(10px);
}

.header-inner {
  height: 84px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.brand-wordmark {
  text-decoration: none;
  font-weight: 900;
  letter-spacing: 0.18em;
  font-size: 14px;
  color: var(--text);
  text-transform: uppercase;
}

header .logo {
  height: 90px;
  width: auto;
  display: block;
}

header nav {
  display: flex;
  align-items: center;
  gap: 18px;
}

header nav a {
  text-decoration: none;
  font-weight: 700;
  font-size: 15px;
  color: var(--muted);
}

header nav a:hover {
  color: var(--text);
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 40px;
  padding: 0 14px;
  border-radius: 999px;
  background: var(--primary);
  color: #fff;
  text-decoration: none;
  font-weight: 900;
  font-size: 14px;
}

.nav-cta:hover {
  background: var(--primary-hover);
}

.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-around;
  width: 30px;
  height: 22px;
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  height: 3px;
  width: 100%;
  background: var(--text);
  border-radius: 2px;
}

@media (max-width: 860px) {
  .menu-toggle {
    display: flex;
  }

  header nav {
    display: none;
    position: absolute;
    right: 16px;
    top: 84px;
    flex-direction: column;
    width: 240px;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 12px;
  }

  header nav.active {
    display: flex;
  }

  header nav a {
    padding: 10px 10px;
    border-radius: 10px;
  }

  header nav a:hover {
    background: var(--soft);
  }

  .nav-cta {
    width: 100%;
  }
}

#loader {
  position: fixed;
  inset: 0;
  background: #ffffff;
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 9999;
  transition: opacity 0.4s ease;
}

#loader.hidden {
  opacity: 0;
  pointer-events: none;
}

.loader-logo {
  height: 70px;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%,
  100% {
    opacity: 1;
    transform: scale(1);
  }

  50% {
    opacity: 0.55;
    transform: scale(1.05);
  }
}

.hero {
  padding: 56px 0 38px;
  background: #ffffff;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 28px;
  align-items: center;
}

@media (max-width: 960px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 22px;
  }
}

.hero h1 {
  font-size: 44px;
  line-height: 1.12;
  letter-spacing: -0.02em;
}

@media (max-width: 520px) {
  .hero h1 {
    font-size: 34px;
  }
}

.hero p {
  margin-top: 12px;
  color: var(--muted);
  font-size: 18px;
  max-width: 60ch;
}

.hero-badges {
  margin-top: 18px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.pill {
  display: inline-flex;
  align-items: center;
  padding: 8px 12px;
  border-radius: 999px;
  background: var(--chip);
  color: var(--muted);
  font-weight: 800;
  font-size: 13px;
}

.buttons {
  margin-top: 22px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 46px;
  padding: 0 18px;
  border-radius: 999px;
  background: var(--primary);
  color: #fff;
  text-decoration: none;
  font-weight: 900;
  letter-spacing: 0.01em;
}

.btn:hover {
  background: var(--primary-hover);
}

.btn.alt {
  background: #ffffff;
  color: var(--text);
  border: 1px solid var(--border);
}

.btn.alt:hover {
  background: var(--soft);
}

.hero-visual {
  display: flex;
  justify-content: flex-end;
  align-items: center;
}

@media (max-width: 960px) {
  .hero-visual {
    justify-content: center;
  }
}

.hero-visual img {
  width: 100%;
  max-width: 360px;
  height: auto;
  max-height: 520px;
  object-fit: contain;
  display: block;
  border-radius: 0;
  border: 0;
  background: transparent;
}

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

.section {
  padding: 44px 0;
  background: #ffffff;
}

.section-title {
  text-align: center;
  font-size: 28px;
  letter-spacing: -0.01em;
}

.section-subtitle {
  margin: 10px auto 0;
  text-align: center;
  max-width: 72ch;
  color: var(--muted);
}

.features-list {
  max-width: 980px;
  margin: 22px auto 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0;
  border: 1px solid var(--border);
  border-radius: 18px;
  overflow: hidden;
  background: #ffffff;
}

@media (max-width: 980px) {
  .features-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 620px) {
  .features-list {
    grid-template-columns: 1fr;
  }
}

.feature-item {
  padding: 18px 18px 16px;
  border-right: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.features-list .feature-item:nth-child(3n) {
  border-right: none;
}

@media (max-width: 980px) {
  .features-list .feature-item:nth-child(3n) {
    border-right: 1px solid var(--border);
  }

  .features-list .feature-item:nth-child(2n) {
    border-right: none;
  }
}

@media (max-width: 620px) {
  .features-list .feature-item {
    border-right: none;
  }
}

.feature-item strong {
  display: block;
  font-size: 15px;
  font-weight: 900;
  color: var(--text);
}

.feature-item span {
  display: block;
  margin-top: 6px;
  font-weight: 600;
  color: var(--muted);
  font-size: 14px;
}

.two-col {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 26px;
  align-items: center;
  margin-top: 26px;
}

@media (max-width: 980px) {
  .two-col {
    grid-template-columns: 1fr;
  }
}

.image-flat {
  width: 100%;
  max-width: 520px;
  height: auto;
  max-height: 560px;
  object-fit: contain;
  border-radius: 0;
  border: 0;
  display: block;
  background: transparent;
}

footer {
  padding: 22px 0;
  border-top: 1px solid var(--border);
  background: #ffffff;
  color: var(--muted);
  font-size: 14px;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

footer a {
  color: var(--muted);
  text-decoration: none;
  font-weight: 800;
}

footer a:hover {
  color: var(--text);
}

.logo-link {
  display: inline-block;
  -webkit-tap-highlight-color: transparent;
  outline: none;
}

.logo-link:hover {
  text-decoration: none;
  outline: none;
  box-shadow: none;
}

.section.dark {
  background: #0b1220;
  color: #ffffff;
}

.section.dark .section-title {
  color: #ffffff;
}

.section.dark .section-subtitle {
  color: rgba(255, 255, 255, 0.7);
}

.section.dark .features-list {
  border-color: rgba(255, 255, 255, 0.12);
  background: transparent;
}

.section.dark .feature-item {
  border-right-color: rgba(255, 255, 255, 0.12);
  border-bottom-color: rgba(255, 255, 255, 0.12);
}

.section.dark .feature-item strong {
  color: #ffffff;
}

.section.dark .feature-item span {
  color: rgba(255, 255, 255, 0.7);
}

.included-grid {
  margin-top: 22px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

@media (max-width: 860px) {
  .included-grid {
    grid-template-columns: 1fr;
  }
}

.included-item {
  display: flex;
  gap: 14px;
  padding: 16px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.03);
}

.included-icon {
  width: 44px;
  height: 44px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.08);
  color: #ffffff;
  flex: 0 0 auto;
}

.included-title {
  font-weight: 900;
  letter-spacing: -0.01em;
}

.included-desc {
  margin-top: 4px;
  color: rgba(255, 255, 255, 0.7);
  font-weight: 600;
  font-size: 14px;
}

.section .included-item {
  border: 1px solid var(--border);
  background: #ffffff;
}

.section .included-icon {
  background: var(--soft);
  color: var(--text);
}

.section .included-title {
  color: var(--text);
}

.section .included-desc {
  color: var(--muted);
}

svg {
  overflow: hidden;
}

.included-icon {
  overflow: hidden;
}

.included-icon svg {
  width: 24px;
  height: 24px;
  display: block;
  overflow: hidden;
}

.included-section {
  position: relative;
  overflow: hidden;
  isolation: isolate;
}

.included-section svg {
  display: block;
  overflow: hidden;
}

.included-icon {
  overflow: hidden;
}

.included-icon svg {
  width: 22px;
  height: 22px;
}

.btn-icon {
  gap: 10px;
}

.btn-icon,
.btn-icon:visited {
  display: inline-flex;
  align-items: center;
}

.btn-svg {
  flex: 0 0 auto;
  display: block;
}

.submission-hero {
  padding: 3.5rem 0 1.5rem;
}

.submission-hero h1 {
  margin: 0 0 0.5rem;
}

.submission-hero .muted {
  max-width: 720px;
  margin: 0;
  color: #5b6472;
}

.submission-section {
  padding: 2rem 0 4rem;
}

.terminal-page {
  padding: 2.5rem 0 4rem;
}

.terminal-container {
  max-width: 900px;
}

.terminal-container h1 {
  margin: 0 0 0.5rem;
}

.terminal-container h2 {
  margin-top: 2.25rem;
  margin-bottom: 0.75rem;
}

.terminal-container h3 {
  margin: 1.5rem 0 0.35rem;
  font-size: 1.05rem;
}

.kbd {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  font-size: 0.9em;
  padding: 0.15rem 0.45rem;
  border-radius: 8px;
  border: 1px solid #d7dce3;
  background: #f4f6f9;
  color: #0b1220;
}

.cmd {
  background: #0b1220;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 12px;
  padding: 0.75rem 0.9rem;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  font-size: 0.95rem;
  color: #e9eef7;
  margin: 0.4rem 0 0.85rem;
  white-space: pre;
  overflow-x: auto;
}

.upload-sections {
  display: grid;
  gap: 16px;
  max-width: 1100px;
  margin: 0 auto;
}

@media (min-width: 900px) {
  .upload-sections {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 899px) {
  .upload-sections {
    grid-template-columns: 1fr;
  }
}

.upload-card {
  background: #ffffff;
  border-radius: 18px;
  padding: 18px;
  border: 1px solid var(--border);
  box-shadow: 0 10px 30px rgba(15, 23, 42, 0.06);
}

.upload-card h2 {
  margin: 0 0 6px;
  color: var(--text);
}

.upload-card p {
  margin: 0 0 12px;
  color: var(--muted);
  font-weight: 600;
}

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

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 12px 12px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: #ffffff;
  color: var(--text);
  font: inherit;
  outline: none;
}

.contact-form textarea {
  resize: vertical;
  min-height: 120px;
}

.contact-form input:focus,
.contact-form textarea:focus {
  border-color: rgba(14, 165, 233, 0.55);
  box-shadow: 0 0 0 4px rgba(14, 165, 233, 0.12);
}

.contact-form button {
  height: 46px;
  padding: 0 18px;
  border-radius: 999px;
  border: 0;
  background: var(--primary);
  color: #ffffff;
  font-weight: 900;
  letter-spacing: 0.01em;
  cursor: pointer;
}

.contact-form button:hover {
  background: var(--primary-hover);
}

.form-note {
  font-size: 13px;
  color: var(--muted);
  font-weight: 600;
}

.hidden-iframe {
  display: none;
}

.submission-success {
  max-width: 1100px;
  margin: 18px auto 0;
  background: #ffffff;
  border-radius: 18px;
  padding: 18px;
  border: 1px solid var(--border);
  box-shadow: 0 10px 30px rgba(15, 23, 42, 0.06);
  text-align: center;
}

.submission-success p {
  color: var(--muted);
  margin-top: 6px;
  font-weight: 600;
}