/* =========================
   RESET & BASE
========================= */

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Inter", "Segoe UI",
    Helvetica, Arial, sans-serif;
  background: #0e1020;
  color: #e9e9f0;
  line-height: 1.6;
}

/* =========================
   LINKS & BUTTONS
========================= */

a {
  color: inherit;
  text-decoration: none;
}

.main-cta,
.header-cta {
  display: inline-block;
  margin-top: 24px;
  padding: 14px 28px;
  border-radius: 999px;
  background: #5f6cff;
  color: #ffffff;
  font-weight: 500;
  font-size: 15px;
  transition: background 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

.main-cta:hover,
.header-cta:hover {
  background: #7a84ff;
  transform: translateY(-1px);
  box-shadow: 0 12px 30px rgba(95, 108, 255, 0.25);
}

.text-link {
  font-size: 14px;
  color: #9fa6ff;
  transition: opacity 0.2s ease;
}

.text-link:hover {
  opacity: 0.85;
}

/* =========================
   HEADER
========================= */

.site-header {
  width: 100%;
  padding: 24px 32px;
}

.header-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-logo {
  width: 52px;
  height: auto;
}

.brand-name {
  font-size: 18px;
  font-weight: 500;
  letter-spacing: 0.3px;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 24px;
}

/* =========================
   TOP NAVIGATION
========================= */

.top-nav {
  display: flex;
  gap: 22px;
}

.top-nav a {
  font-size: 14px;
  color: #cfd2ff;
  opacity: 0.75;
  transition: opacity 0.2s ease;
}

.top-nav a:hover {
  opacity: 1;
}

/* =========================
   LANGUAGE TOGGLE
========================= */

.lang-toggle button {
  background: none;
  border: none;
  color: #9aa0ff;
  font-size: 14px;
  cursor: pointer;
  padding: 4px 6px;
  transition: opacity 0.2s ease;
}

.lang-toggle button:hover {
  opacity: 0.7;
}

.lang-toggle button.active {
  color: #ffffff;
  font-weight: 500;
  opacity: 1;
}

/* =========================
   SECTIONS
========================= */

main {
  max-width: 1100px;
  margin: 0 auto;
  padding: 40px 32px 120px;
}

.hero {
  padding: 120px 0 80px;
}

.hero h1 {
  font-size: 48px;
  font-weight: 500;
  max-width: 720px;
  line-height: 1.15;
}

.hero-sub {
  margin-top: 20px;
  max-width: 640px;
  font-size: 18px;
  color: #cfd2ff;
}

.video-section {
  margin: 120px 0;
  text-align: center;
}

.video-label {
  font-size: 14px;
  color: #b8bbff;
  margin-bottom: 20px;
}

.video-wrapper video {
  width: 100%;
  max-width: 900px;
  border-radius: 18px;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.4);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.video-wrapper video:hover {
  transform: translateY(-2px);
  box-shadow: 0 40px 90px rgba(0, 0, 0, 0.45);
}

/* =========================
   CONTENT BLOCKS
========================= */

.content-section {
  margin: 120px 0;
  max-width: 720px;
}

.content-section h2 {
  font-size: 32px;
  font-weight: 500;
  margin-bottom: 20px;
}

.content-section p {
  font-size: 17px;
  color: #d7d9ff;
}

.content-section ul,
.content-section ol {
  margin-top: 24px;
  padding-left: 20px;
}

.content-section li {
  margin-bottom: 12px;
  font-size: 16px;
  color: #d7d9ff;
  transition: opacity 0.2s ease;
}

.content-section li:hover {
  opacity: 0.9;
}

.principles {
  list-style: disc;
}

.steps-list {
  list-style: decimal;
}

.trust-list,
.pricing-list {
  list-style: disc;
}

.subtle {
  opacity: 0.85;
}

/* =========================
   FINAL CTA
========================= */

.final-cta {
  margin-top: 160px;
  text-align: center;
}

.final-cta h2 {
  font-size: 36px;
  font-weight: 500;
}

/* =========================
   FOOTER
========================= */

.site-footer {
  margin-top: 160px;
  padding-top: 40px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 14px;
  color: #b5b7ff;
}

.site-footer p {
  margin-bottom: 8px;
}

/* =========================
   VISION PAGE
========================= */

.back-link-section {
  margin-top: 40px;
}

.vision-content {
  max-width: 720px;
  margin: 80px auto 0;
}

.vision-content h1 {
  font-size: 40px;
  font-weight: 500;
  margin-bottom: 40px;
}

.vision-text p {
  font-size: 17px;
  margin-bottom: 28px;
  color: #d7d9ff;
}

.vision-signature {
  margin-top: 60px;
  font-size: 16px;
  color: #b8bbff;
}

/* =========================
   LANGUAGE VISIBILITY
========================= */

.lang {
  display: none;
}

.lang.lang-en {
  display: block;
}

/* =========================
   ULTRA-SUBTLE SECTION FADE-INS
========================= */

.fade-section {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-section.visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  .fade-section {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* =========================
   MOBILE
========================= */

@media (max-width: 768px) {
  .hero h1 {
    font-size: 36px;
  }

  .hero-sub {
    font-size: 16px;
  }

  .content-section h2 {
    font-size: 26px;
  }

  .final-cta h2 {
    font-size: 30px;
  }

  main {
    padding: 24px 20px 80px;
  }

  .header-inner {
    flex-direction: column;
    gap: 16px;
  }

  /* Hide top nav on mobile for cleanliness */
  .top-nav {
    display: none;
  }
}
