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

:root {
  --bg: #ffffff;
  --bg-soft: #f9f9f9;
  --text: #2b3136;
  --muted: #5f6f7f;
  --border: #d7dde3;
  --border-strong: #798490;
  --card: #ffffff;
  --primary: #0042a0;
  --primary-hover: #003580;
  --primary-soft: #e8f0fb;
  --cyan: #16c7df;
  --cyan-soft: #e8fbfe;
  --font: "Inter", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

html { scroll-behavior: smooth; }

body {
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 1rem;
  line-height: 1.5;
}

img, svg { max-width: 100%; }

a { color: var(--primary); }

.container {
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 20px;
}

.header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(14px);
}

.header-inner {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  min-height: 86px;
  gap: 24px;
}

.logo {
  display: block;
  align-items: center;
  justify-self: start;
  color: var(--text);
  text-decoration: none;
}

.logo img {
  display: block;
  width: clamp(205px, 22vw, 300px);
  height: auto;
}

.nav-desktop {
  display: none;
  align-items: center;
  justify-content: center;
  gap: 28px;
}

.nav-desktop a {
  color: var(--text);
  font-size: 0.96rem;
  font-weight: 600;
  text-decoration: none;
}

.nav-desktop a:hover { color: var(--primary); }

.nav-desktop a[href*="shop.simplysoftware.dev"] {
  color: var(--primary);
  font-weight: 800;
}

.header-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 12px;
}

.lang-switch {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 0.9rem;
  font-weight: 700;
}

.lang-switch a {
  color: var(--muted);
  padding: 6px 8px;
  text-decoration: none;
}

.lang-switch a.active,
.lang-switch a:hover { color: var(--primary); }

.lang-switch span { color: var(--border-strong); }

.btn-icon {
  display: inline-grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border: 1px solid var(--border-strong);
  background: var(--card);
  color: var(--text);
  cursor: pointer;
}

.nav-toggle-lines,
.nav-toggle-lines::before,
.nav-toggle-lines::after {
  display: block;
  width: 18px;
  height: 2px;
  background: currentColor;
  content: "";
}

.nav-toggle-lines::before { transform: translateY(-6px); }
.nav-toggle-lines::after { transform: translateY(4px); }

.nav-mobile {
  display: grid;
  gap: 2px;
  padding: 0 20px 20px;
  border-top: 1px solid var(--border);
}

.nav-mobile.hidden { display: none; }

.nav-mobile a {
  padding: 13px 0;
  color: var(--text);
  font-weight: 700;
  text-decoration: none;
  border-bottom: 1px solid var(--border);
}

.nav-mobile a:hover { color: var(--primary); }

.hero {
  padding: 86px 0 72px;
  background:
    radial-gradient(circle at 88% 18%, rgba(22, 199, 223, 0.22), transparent 28%),
    linear-gradient(125deg, rgba(0, 66, 160, 0.09), rgba(22, 199, 223, 0.05) 45%, rgba(0, 66, 160, 0)),
    var(--bg);
  border-bottom: 1px solid var(--border);
}

.hero-grid {
  display: grid;
  gap: 44px;
  align-items: center;
}

.badge {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  margin-bottom: 24px;
  padding: 7px 12px;
  background: linear-gradient(90deg, var(--primary-soft), var(--cyan-soft));
  color: var(--primary);
  font-size: 0.86rem;
  font-weight: 800;
}

.hero h1 {
  max-width: 820px;
  font-size: clamp(2.2rem, 4vw, 4.6rem);
  font-weight: 800;
  line-height: 1.04;
}

.hero-sub {
  max-width: 650px;
  margin-top: 24px;
  color: var(--muted);
  font-size: clamp(1.05rem, 1.5vw, 1.25rem);
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.hero-panel {
  display: grid;
  gap: 18px;
  padding: 28px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.94), rgba(255, 255, 255, 0.82)),
    var(--card);
  border: 1px solid rgba(0, 66, 160, 0.24);
  box-shadow: 0 24px 60px rgba(0, 66, 160, 0.12);
}

.hero-panel strong {
  color: var(--primary);
  font-size: 0.86rem;
  text-transform: uppercase;
}

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

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--border);
}

.hero-metrics span {
  padding-top: 18px;
  color: var(--text);
  font-weight: 800;
}

.hero-metrics span:first-child { color: var(--primary); }
.hero-metrics span:last-child { color: var(--cyan); }

.hero-metrics small {
  display: block;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 600;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 12px 25px;
  border: 1px solid transparent;
  font-size: 0.95rem;
  font-weight: 800;
  text-decoration: none;
  cursor: pointer;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 10px 22px rgba(0, 66, 160, 0.18);
}

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

.btn-secondary {
  background: #fff;
  color: var(--primary);
  border-color: var(--primary);
}

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

.section {
  padding: 82px 0;
  border-bottom: 1px solid var(--border);
}

.section-alt { background: var(--bg-soft); }

.section-head {
  display: grid;
  gap: 12px;
  max-width: 730px;
  margin-bottom: 36px;
}

.section h2 {
  color: var(--text);
  font-size: clamp(1.8rem, 2.5vw, 2.6rem);
  font-weight: 800;
  line-height: 1.12;
}

.section-sub {
  color: var(--muted);
  font-size: 1.05rem;
}

.cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.card {
  display: grid;
  gap: 14px;
  min-height: 238px;
  padding: 26px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 1), rgba(249, 252, 255, 0.86)),
    var(--card);
  border: 1px solid var(--border);
  transition: border-color 0.18s ease, box-shadow 0.18s ease, transform 0.18s ease;
}

.card:hover {
  border-color: var(--primary);
  box-shadow: 0 12px 30px rgba(0, 66, 160, 0.08);
  transform: translateY(-3px);
}

.card-icon {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  background: linear-gradient(135deg, var(--primary), var(--cyan));
  color: #fff;
  font-size: 0.9rem;
  font-weight: 800;
}

.card h3 {
  color: var(--text);
  font-size: 1.25rem;
}

.card p,
.about-copy,
.legal p,
.legal a { color: var(--muted); }

.about-grid {
  display: grid;
  gap: 42px;
  align-items: start;
}

.accent {
  margin: 10px 0 18px;
  color: var(--primary);
  font-weight: 800;
}

.values {
  display: grid;
  gap: 12px;
  list-style: none;
}

.values li {
  padding: 18px 20px;
  background: #fff;
  border-left: 5px solid var(--cyan);
  color: var(--text);
  font-weight: 800;
  box-shadow: inset 0 0 0 1px var(--border);
}

.tech-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}

.tech-item {
  padding: 18px 16px;
  background: #fff;
  border: 1px solid var(--border);
  color: var(--text);
  font-weight: 800;
  text-align: center;
}

.tech-item:hover {
  border-color: var(--primary);
  color: var(--primary);
}


.page-hero {
  padding: 70px 0 56px;
  background:
    linear-gradient(125deg, rgba(0, 66, 160, 0.09), rgba(22, 199, 223, 0.06) 52%, rgba(0, 66, 160, 0)),
    var(--bg);
  border-bottom: 1px solid var(--border);
}

.page-hero-inner {
  display: grid;
  gap: 16px;
  max-width: 860px;
}

.page-hero h1 {
  color: var(--text);
  font-size: clamp(2rem, 4vw, 3.8rem);
  font-weight: 800;
  line-height: 1.08;
}

.download-area {
  display: grid;
  gap: 24px;
}

.download-stack {
  display: grid;
  gap: 14px;
}

.download-accordion {
  background: #fff;
  border: 1px solid var(--border);
}

.download-accordion[open] {
  border-color: rgba(0, 66, 160, 0.34);
  box-shadow: 0 12px 30px rgba(0, 66, 160, 0.08);
}

.download-accordion summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  min-height: 84px;
  padding: 22px 24px;
  color: var(--text);
  cursor: pointer;
  list-style: none;
}

.download-accordion summary::-webkit-details-marker { display: none; }

.download-accordion summary::after {
  display: grid;
  width: 34px;
  height: 34px;
  flex: 0 0 34px;
  place-items: center;
  border: 1px solid var(--border);
  color: var(--primary);
  content: "+";
  font-size: 1.35rem;
  font-weight: 800;
  line-height: 1;
}

.download-accordion[open] summary::after { content: "-"; }

.download-accordion summary strong {
  display: block;
  font-size: 1.14rem;
  line-height: 1.25;
}

.download-accordion summary small {
  display: block;
  margin-top: 6px;
  color: var(--muted);
  font-size: 0.94rem;
  font-weight: 600;
}

.download-releases {
  display: grid;
  gap: 12px;
  padding: 0 24px 24px;
}

.download-release {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 18px;
  background: var(--bg-soft);
  border: 1px solid var(--border);
}

.download-release p {
  margin-top: 6px;
  color: var(--text);
  font-weight: 800;
}

.download-kicker {
  width: fit-content;
  padding: 6px 10px;
  background: var(--cyan-soft);
  color: #0b6f7d;
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
}

.download-link {
  width: fit-content;
  flex: 0 0 auto;
}


.download-captcha {
  display: grid;
  gap: 12px;
}


body.modal-open {
  overflow: hidden;
}

.captcha-modal {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: grid;
  place-items: center;
  padding: 20px;
  background: rgba(43, 49, 54, 0.42);
  backdrop-filter: blur(10px);
}

.captcha-modal[hidden] {
  display: none;
}

.captcha-dialog {
  position: relative;
  display: grid;
  gap: 16px;
  width: min(100%, 480px);
  padding: 28px;
  background: #fff;
  border: 1px solid rgba(0, 66, 160, 0.28);
  box-shadow: 0 30px 90px rgba(0, 20, 48, 0.28);
}

.captcha-dialog h2 {
  color: var(--text);
  font-size: 1.45rem;
  line-height: 1.2;
}

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

.captcha-close {
  position: absolute;
  top: 12px;
  right: 12px;
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  border: 1px solid var(--border);
  background: #fff;
  color: var(--text);
  cursor: pointer;
  font-size: 1.4rem;
  line-height: 1;
}

.captcha-close:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.captcha-image {
  width: 100%;
  max-width: 300px;
  height: auto;
  background: var(--bg-soft);
  border: 1px solid var(--border-strong);
}

.captcha-refresh {
  width: fit-content;
  border: 0;
  background: transparent;
  color: var(--primary);
  cursor: pointer;
  font: inherit;
  font-weight: 800;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.captcha-refresh:hover {
  color: var(--primary-hover);
}

.download-captcha label {
  color: var(--text);
  font-weight: 800;
}

.captcha-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.captcha-row input {
  min-width: 180px;
  min-height: 48px;
  flex: 1 1 210px;
  padding: 12px 14px;
  border: 1px solid var(--border-strong);
  color: var(--text);
  font: inherit;
}

.captcha-row input:focus {
  outline: 3px solid var(--primary-soft);
  border-color: var(--primary);
}

.captcha-status {
  min-height: 1.5em;
  color: var(--muted);
  font-size: 0.94rem;
  font-weight: 700;
}

.captcha-status.is-error { color: #9c1d1d; }
.captcha-status.is-success { color: #176b36; }

.contact-inner {
  display: grid;
  gap: 22px;
  max-width: 760px;
}

.contact-email {
  width: fit-content;
  font-size: 1rem;
}

.contact-fallback {
  color: var(--muted);
  font-size: 0.9rem;
}

.legal {
  padding: 70px 0;
  background: var(--bg-soft);
}

.legal .container {
  max-width: 980px;
}

.legal h1 {
  margin-bottom: 32px;
  font-size: clamp(2rem, 3vw, 3rem);
}

.legal section {
  margin-bottom: 20px;
  padding: 24px;
  background: #fff;
  border: 1px solid var(--border);
}

.legal h2 {
  margin-bottom: 10px;
  color: var(--primary);
  font-size: 1.1rem;
}

.footer {
  background: var(--bg-soft);
  border-top: 1px solid var(--border-strong);
  padding: 34px 0;
}

.footer-inner {
  display: flex;
  flex-direction: column;
  gap: 12px;
  color: var(--muted);
  font-size: 0.94rem;
}

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

.footer a:hover { text-decoration: underline; }

@media (min-width: 768px) {
  .hero-grid { grid-template-columns: minmax(0, 1.25fr) minmax(320px, 0.75fr); }
  .cards { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .about-grid { grid-template-columns: minmax(0, 1fr) minmax(280px, 0.65fr); }
  .tech-grid { grid-template-columns: repeat(4, 1fr); }
  .footer-inner { flex-direction: row; justify-content: space-between; }
}

@media (min-width: 1024px) {
  .nav-desktop { display: flex; }
  .nav-toggle { display: none; }
  .nav-mobile { display: none !important; }
  .cards {
    grid-template-columns: repeat(4, minmax(0, 1fr)) !important;
    gap: 16px;
  }

  .card {
    min-height: 260px;
    padding: 22px;
  }

  .card h3 {
    font-size: 1.12rem;
  }

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


@media (max-width: 1023px) {
  .header-inner { grid-template-columns: 1fr auto; }
}

@media (max-width: 767px) {
  .header-inner {
    grid-template-columns: 1fr auto;
    min-height: 74px;
  }

  .logo img { width: min(58vw, 250px); }
  .header-actions { gap: 6px; }
  .captcha-row { display: grid; }
  .captcha-row input { min-width: 0; width: 100%; }
  .download-release { align-items: stretch; flex-direction: column; }
  .download-link { width: 100%; }
  .captcha-dialog { padding: 24px; }
  .hero { padding: 58px 0; }
  .hero h1 { font-size: clamp(2rem, 12vw, 3.1rem); }
  .hero-panel { padding: 22px; }
  .hero-metrics { grid-template-columns: 1fr; gap: 12px; }
  .section { padding: 58px 0; }
  .card { min-height: auto; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}