/* =====================================================
   ROOT
===================================================== */

:root {
  --primary: #1f3f72;
  --primary-dark: #132b50;

  --orange: #ff7a00;
  --green: #138808;

  --text-primary: #1f2937;
  --text-secondary: #64748b;

  --background: #ffffff;
  --background-soft: #f6f8fb;

  --border: #e2e8f0;

  --footer: #152033;

  --shadow: 0 10px 30px rgba(15, 23, 42, 0.08);

  --radius: 12px;

  --container-width: 1100px;
}

/* =====================================================
   RESET
===================================================== */

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

html {
  scroll-behavior: smooth;
}

body {
  font-family:
    Inter,
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;

  color: var(--text-primary);
  background: var(--background);

  line-height: 1.6;
}

/* =====================================================
   CONTAINER
===================================================== */

.container {
  width: min(90%, var(--container-width));
  margin: 0 auto;
}

/* =====================================================
   NAVBAR
===================================================== */

.navbar {
  position: sticky;
  top: 0;

  z-index: 100;

  background: rgba(255, 255, 255, 0.96);

  border-bottom: 1px solid var(--border);

  backdrop-filter: blur(10px);
}

.nav-container {
  height: 78px;

  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* Brand */

.brand {
  display: flex;
  align-items: center;

  gap: 10px;

  text-decoration: none;

  color: var(--text-primary);
}

.brand-icon {
  width: 38px;
  height: 38px;

  object-fit: contain;
}

.brand-name {
  font-size: 20px;
  font-weight: 700;

  color: var(--primary-dark);
}

/* Navigation */

.nav-links {
  display: flex;
  gap: 30px;
}

.nav-links a {
  text-decoration: none;

  font-size: 14px;
  font-weight: 500;

  color: var(--text-secondary);

  transition: color 0.2s ease;
}

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

/* Actions */

.nav-actions {
  display: flex;
  gap: 12px;
}

/* =====================================================
   BUTTONS
===================================================== */

.btn {
  display: inline-flex;

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

  padding: 12px 22px;

  border-radius: 10px;

  text-decoration: none;

  font-size: 14px;
  font-weight: 600;

  transition:
    transform 0.2s ease,
    box-shadow 0.2s ease,
    background 0.2s ease;
}

.btn:hover {
  transform: translateY(-2px);
}

/* Primary */

.btn-primary {
  color: #ffffff;

  background: var(--primary);

  box-shadow: 0 6px 16px rgba(31, 63, 114, 0.25);
}

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

/* Secondary */

.btn-secondary {
  color: var(--primary);

  background: #ffffff;

  border: 1px solid var(--border);
}

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

/* Large */

.btn-large {
  padding: 14px 24px;
}

/* =====================================================
   HERO
===================================================== */

.hero {
  padding: 100px 0 80px;

  background: linear-gradient(135deg, #ffffff 0%, #f3f6fb 100%);
}

.hero-container {
  display: grid;

  grid-template-columns:
    1.1fr
    0.9fr;

  align-items: center;

  gap: 80px;
}

/* Badge */

.hero-badge {
  display: inline-block;

  padding: 8px 14px;

  margin-bottom: 24px;

  border-radius: 999px;

  background: #edf3fb;

  color: var(--primary);

  font-size: 12px;
  font-weight: 700;

  letter-spacing: 0.5px;
}

/* Hero Heading */

.hero h1 {
  font-size: clamp(44px, 6vw, 72px);

  line-height: 1.05;

  letter-spacing: -2px;

  margin-bottom: 24px;

  color: var(--text-primary);
}

.hero h1 span {
  display: block;

  color: var(--primary);
}

/* Hero Description */

.hero-description {
  max-width: 620px;

  font-size: 15px;

  color: var(--text-secondary);

  margin-bottom: 30px;
}

/* Hero Buttons */

.hero-actions {
  display: flex;

  gap: 14px;

  flex-wrap: wrap;
}

/* =====================================================
   HERO LOGO
===================================================== */

.hero-visual {
  display: flex;

  justify-content: center;
  align-items: center;
}

/*
   White card ensures the brand logo
   remains clearly visible.
*/

.hero-logo-card {
  width: 100%;
  max-width: 420px;

  min-height: 340px;

  display: flex;

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

  background: #ffffff;

  border-radius: 24px;

  padding: 40px;

  border-top: 4px solid var(--orange);
  border-bottom: 4px solid var(--green);

  box-shadow: 0 25px 60px rgba(31, 63, 114, 0.18);
}

.hero-logo {
  width: 100%;
  max-width: 320px;

  height: auto;

  object-fit: contain;

  display: block;
}

/* =====================================================
   STANDARDS
===================================================== */

.standards {
  padding: 35px 0;

  border-top: 1px solid var(--border);

  border-bottom: 1px solid var(--border);

  background: #ffffff;
}

.standards-container {
  text-align: center;
}

.standards-title {
  margin-bottom: 14px;

  font-size: 10px;

  font-weight: 800;

  letter-spacing: 2px;

  color: var(--text-secondary);
}

.standards-list {
  display: flex;

  justify-content: center;

  align-items: center;

  flex-wrap: wrap;

  gap: 16px;

  font-size: 14px;

  font-weight: 700;

  color: var(--primary);
}

.standards-list i {
  color: var(--orange);

  font-style: normal;
}

/* =====================================================
   GENERIC SECTIONS
===================================================== */

.section {
  padding: 100px 0;
}

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

.section-header {
  max-width: 700px;

  margin: 0 auto 60px;

  text-align: center;
}

.section-label {
  display: block;

  margin-bottom: 15px;

  font-size: 11px;

  font-weight: 800;

  letter-spacing: 2px;

  color: var(--orange);
}

.section-header h2,
.security-section h2,
.developers-content h2 {
  font-size: 42px;

  line-height: 1.2;

  margin-bottom: 18px;

  color: var(--text-primary);
}

.section-header p,
.security-section p,
.developers-content p {
  font-size: 14px;

  color: var(--text-secondary);
}

/* =====================================================
   FEATURES
===================================================== */

.feature-grid {
  display: grid;

  grid-template-columns: repeat(3, 1fr);

  gap: 22px;
}

.feature-card {
  padding: 35px;

  border-radius: var(--radius);

  background: #ffffff;

  border: 1px solid var(--border);

  transition:
    transform 0.25s ease,
    box-shadow 0.25s ease;
}

.feature-card:hover {
  transform: translateY(-6px);

  box-shadow: var(--shadow);
}

.feature-number {
  margin-bottom: 20px;

  font-size: 13px;

  font-weight: 800;

  color: var(--orange);
}

.feature-card h3 {
  margin-bottom: 8px;

  font-size: 21px;

  color: var(--primary-dark);
}

.feature-card p {
  font-size: 15px;

  color: var(--text-secondary);
}

/* =====================================================
   ARCHITECTURE
===================================================== */

.architecture-grid {
  display: grid;

  grid-template-columns: repeat(3, 1fr);

  gap: 25px;
}

.architecture-card {
  padding: 24px;

  background: #ffffff;

  border-radius: var(--radius);

  border: 1px solid var(--border);
}

.architecture-card h3 {
  margin-bottom: 8px;

  color: var(--primary-dark);

  font-size: 20px;
}

.architecture-card p {
  color: var(--text-secondary);

  font-size: 15px;
}

/* =====================================================
   SECURITY
===================================================== */

.security-section {
  background: linear-gradient(135deg, #1f3f72, #132b50);

  color: #ffffff;
}

.security-container {
  display: grid;

  grid-template-columns:
    1fr
    1fr;

  gap: 80px;

  align-items: center;
}

.security-section h2 {
  color: #ffffff;
}

.security-section p {
  color: rgba(255, 255, 255, 0.72);
}

.security-list {
  display: flex;

  flex-direction: column;

  gap: 16px;
}

.security-item {
  display: flex;

  align-items: center;

  gap: 14px;

  padding: 16px 20px;

  border-radius: 10px;

  background: rgba(255, 255, 255, 0.08);

  border: 1px solid rgba(255, 255, 255, 0.12);
}

.security-item span {
  color: #6ee07b;

  font-weight: bold;
}

/* =====================================================
   DEVELOPERS
===================================================== */

.developers-section {
  text-align: center;

  background: #ffffff;
}

.developers-content {
  max-width: 700px;

  margin: auto;
}

.developer-actions {
  display: flex;

  justify-content: center;

  gap: 14px;

  margin-top: 30px;
}

/* =====================================================
   FOOTER
===================================================== */

.footer {
  background: var(--footer);

  color: #ffffff;

  padding-top: 55px;
}

.footer-container {
  display: flex;

  align-items: center;

  justify-content: space-between;

  gap: 40px;

  padding-bottom: 45px;
}

/* -----------------------------------------------------
   FOOTER BRAND
----------------------------------------------------- */

.footer-brand {
  display: flex;

  align-items: center;

  gap: 15px;
}

/*
   Important:
   White logo background improves visibility
   of the detailed TSCloak icon on dark footer.
*/

.footer-logo-box {
  width: 58px;
  height: 58px;

  display: flex;

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

  background: #ffffff;

  border-radius: 11px;

  padding: 6px;

  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.25);
}

.footer-logo {
  width: 46px;
  height: 46px;

  object-fit: contain;

  display: block;
}

.footer-brand-text h3 {
  margin-bottom: 3px;

  font-size: 21px;

  font-weight: 700;

  color: #ffffff;
}

.footer-brand-text p {
  font-size: 13px;

  color: rgba(255, 255, 255, 0.6);
}

/* -----------------------------------------------------
   FOOTER LINKS
----------------------------------------------------- */

.footer-links {
  display: flex;

  gap: 22px;

  flex-wrap: wrap;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.65);

  text-decoration: none;

  font-size: 14px;

  transition: color 0.2s ease;
}

.footer-links a:hover {
  color: #ffffff;
}

/* -----------------------------------------------------
   FOOTER BOTTOM
----------------------------------------------------- */

.footer-bottom {
  text-align: center;

  padding: 22px 0;

  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-bottom p {
  font-size: 13px;

  color: rgba(255, 255, 255, 0.5);
}

/* =====================================================
   RESPONSIVE
===================================================== */

@media (max-width: 900px) {
  .nav-links {
    display: none;
  }

  .hero-container {
    grid-template-columns: 1fr;

    gap: 50px;
  }

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

  .hero-description {
    margin-left: auto;
    margin-right: auto;
  }

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

  .feature-grid,
  .architecture-grid {
    grid-template-columns: 1fr;
  }

  .security-container {
    grid-template-columns: 1fr;

    gap: 50px;
  }

  .footer-container {
    flex-direction: column;

    align-items: flex-start;
  }
}

/* =====================================================
   MOBILE
===================================================== */

@media (max-width: 600px) {
  .nav-container {
    height: 68px;
  }

  .nav-actions .btn-secondary {
    display: none;
  }

  .brand-name {
    font-size: 18px;
  }

  .brand-icon {
    width: 34px;
    height: 34px;
  }

  .hero {
    padding: 70px 0 60px;
  }

  .hero h1 {
    font-size: 45px;
  }

  .hero-logo-card {
    min-height: 280px;

    padding: 30px;

    max-width: 100%;
  }

  .hero-logo {
    max-width: 260px;
  }

  .section {
    padding: 70px 0;
  }

  .section-header h2,
  .security-section h2,
  .developers-content h2 {
    font-size: 34px;
  }

  .footer-links {
    gap: 14px;
  }

  .developer-actions {
    flex-direction: column;

    align-items: center;
  }
}

/* =========================
   LIVE DEMOS
   ========================= */
.live-demos {
  padding: 58px 0 64px;
  background: #f8fafc;
}

.live-demos-container {
  max-width: 1120px;
}

.live-demos-header {
  text-align: center;
  max-width: 820px;
  margin: 0 auto 30px;
}

.live-demos-header .section-label {
  display: inline-block;
  margin-bottom: 8px;
}

.live-demos-header h2 {
  margin: 0;
}

.live-demos-header p {
  margin: 10px auto 0;
  max-width: 760px;
}

.live-demos-header h2 {
  font-size: 30px;
  line-height: 1.2;
}

.live-demos-header p {
  font-size: 14px;
  line-height: 1.5;
}

.live-demos-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
}

.live-demo-card {
  background: #ffffff;
  border: 1px solid #dce5f1;
  border-radius: 11px;
  padding: 24px 26px 24px;
  box-shadow: 0 14px 34px rgba(26, 54, 93, 0.07);
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.live-demo-card-top {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.live-demo-icon {
  width: 48px;
  height: 48px;
  min-width: 48px;
  border-radius: 11px;
  background: #edf4fc;
  color: #173f78;
  display: grid;
  place-items: center;
}

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

.live-demo-copy {
  min-width: 0;
}

.live-demo-eyebrow {
  margin: 0 0 6px;
  color: #ff6900;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 1.7px;
  line-height: 1.25;
}

.live-demo-card h3 {
  margin: 0;
  color: #0f315f;
  font-size: 22px;
  line-height: 1.2;
}

.live-demo-description {
  margin: 10px 0 18px;
  color: #597392;
  font-size: 14px;
  line-height: 1.5;
}

.live-demo-credentials {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: auto;
}

.live-demo-credential {
  border: 1px solid #e0e8f3;
  background: #f4f7fb;
  border-radius: 10px;
  padding: 10px 12px;
  min-width: 0;
}

.live-demo-credential-label {
  display: block;
  color: #68809c;
  font-size: 11px;
  line-height: 1.25;
  margin-bottom: 4px;
}

.live-demo-credential-value {
  display: block;
  color: #172d49;
  font-size: 13px;
  font-weight: 700;
  line-height: 1.35;
  overflow-wrap: anywhere;
}

.live-demo-credential[data-copy] {
  cursor: pointer;
  transition:
    border-color 0.18s ease,
    box-shadow 0.18s ease,
    transform 0.18s ease;
}

.live-demo-credential[data-copy]:hover {
  border-color: #b9cce4;
  box-shadow: 0 5px 14px rgba(23, 63, 120, 0.08);
  transform: translateY(-1px);
}

.live-demo-actions {
  margin-top: 16px;
}

.live-demo-button {
  width: 100%;
  min-height: 46px;
  border-radius: 10px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  font-weight: 700;
  font-size: 15px;
  text-decoration: none;
  background: #21477f;
  color: #ffffff;
  box-shadow: 0 9px 22px rgba(33, 71, 127, 0.2);
  transition:
    transform 0.18s ease,
    box-shadow 0.18s ease,
    background 0.18s ease;
}

.live-demo-button:hover {
  background: #183b6d;
  transform: translateY(-1px);
  box-shadow: 0 12px 26px rgba(33, 71, 127, 0.26);
}

.live-demos-note {
  text-align: center;
  color: #617a98;
  font-size: 12px;
  line-height: 1.5;
  margin: 20px auto 0;
  max-width: 900px;
}

.live-demo-copy-status {
  position: fixed;
  left: 50%;
  bottom: 24px;
  transform: translate(-50%, 20px);
  background: #173f78;
  color: #fff;
  border-radius: 999px;
  padding: 10px 17px;
  font-size: 14px;
  font-weight: 600;
  opacity: 0;
  pointer-events: none;
  transition:
    opacity 0.18s ease,
    transform 0.18s ease;
  z-index: 9999;
}

.live-demo-copy-status.show {
  opacity: 1;
  transform: translate(-50%, 0);
}

@media (max-width: 900px) {
  .live-demos {
    padding: 58px 0 64px;
  }

  .live-demos-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .live-demo-card {
    padding: 24px;
  }
}

@media (max-width: 560px) {
  .live-demos-header {
    margin-bottom: 28px;
  }

  .live-demo-card {
    padding: 22px 18px 20px;
    border-radius: 11px;
  }

  .live-demo-card-top {
    gap: 14px;
  }

  .live-demo-icon {
    width: 46px;
    height: 46px;
    min-width: 46px;
    border-radius: 11px;
  }

  .live-demo-icon svg {
    width: 26px;
    height: 26px;
  }

  .live-demo-eyebrow {
    font-size: 12px;
    letter-spacing: 1.6px;
  }

  .live-demo-description {
    font-size: 14px;
    margin-top: 10px;
    margin-bottom: 18px;
  }

  .live-demo-credentials {
    grid-template-columns: 1fr;
  }

  .live-demo-button {
    min-height: 56px;
    font-size: 14px;
  }
}