/* ==========================================================================
   OPEN LANGUAGE — TRANSLATION SUB-LANDING PAGE STYLES
   High-contrast Obsidian Cinematic Layout
   Extends base styles from styles.css
   ========================================================================== */

/* --------------------------------------------------------------------------
   01. PAGE WRAPPER & SUB-LANDING HERO
   -------------------------------------------------------------------------- */
.landing-body {
  background-color: var(--bg-void);
  color: var(--text-primary);
  min-height: 100vh;
}

.landing-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  background: rgba(5, 7, 10, 0.72);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle);
  transition: background 0.3s ease, border-color 0.3s ease;
}

.landing-header.is-scrolled {
  background: rgba(5, 7, 10, 0.94);
  border-color: rgba(255, 255, 255, 0.2);
}

.brand-badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 8px;
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.85);
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 2px;
  margin-left: 0.75rem;
}

/* --------------------------------------------------------------------------
   02. HERO SECTION
   -------------------------------------------------------------------------- */
.landing-hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: calc(var(--header-height) + 3rem) 1.5rem 4rem;
  overflow: hidden;
}

.landing-hero-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  z-index: 0;
  opacity: 0.38;
}

.landing-hero-scrim {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at center, rgba(5, 7, 10, 0.4) 0%, rgba(0, 0, 0, 0.88) 85%),
              linear-gradient(to bottom, rgba(0,0,0,0.6) 0%, #000000 100%);
  z-index: 1;
}

.landing-hero-content {
  position: relative;
  z-index: 2;
  max-width: 980px;
  width: 100%;
  margin: 0 auto;
  text-align: left;
}

.pill-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 5px 14px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: #FFFFFF;
  margin-bottom: 1.5rem;
}

.pill-eyebrow-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #FFFFFF;
  box-shadow: 0 0 8px rgba(255, 255, 255, 0.8);
}

.landing-hero-title {
  font-size: clamp(2.25rem, 5vw, 3.75rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: #FFFFFF;
  margin-bottom: 1.25rem;
}

.landing-hero-subtitle {
  font-size: clamp(1rem, 1.8vw, 1.25rem);
  font-weight: 300;
  line-height: 1.7;
  color: var(--text-secondary);
  max-width: 780px;
  margin-bottom: 2.25rem;
}

/* --------------------------------------------------------------------------
   03. SECTIONS & CONTAINERS
   -------------------------------------------------------------------------- */
.landing-section {
  position: relative;
  padding: 6.5rem 1.5rem;
  border-top: 1px solid var(--border-subtle);
  background-color: var(--bg-obsidian);
}

.landing-section--elevated {
  background-color: var(--bg-elevated);
}

.landing-container {
  max-width: 1140px;
  margin: 0 auto;
}

.section-header {
  margin-bottom: 3.5rem;
}

.section-header--center {
  text-align: center;
}

.section-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
}

.section-title {
  font-size: clamp(1.875rem, 3.5vw, 2.75rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.015em;
  color: #FFFFFF;
  margin-bottom: 1rem;
}

.section-subtitle {
  font-size: 1.0625rem;
  font-weight: 300;
  line-height: 1.7;
  color: var(--text-secondary);
  max-width: 720px;
}

.section-header--center .section-subtitle {
  margin-left: auto;
  margin-right: auto;
}

/* --------------------------------------------------------------------------
   03b. PRIVACY & SECURITY COMMITMENTS GRID (2x2)
   -------------------------------------------------------------------------- */
.privacy-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.75rem;
}

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

.privacy-card {
  position: relative;
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.04) 0%, rgba(255, 255, 255, 0.015) 100%);
  border: 1px solid rgba(255, 255, 255, 0.18);
  padding: 2.25rem 2rem;
  display: flex;
  flex-direction: column;
  transition: border-color 0.3s ease, background 0.3s ease;
}

.privacy-card:hover {
  border-color: rgba(255, 255, 255, 0.4);
  background: rgba(255, 255, 255, 0.05);
}

.privacy-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
}

.privacy-badge {
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: #FFFFFF;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.25);
  padding: 3px 9px;
  border-radius: 2px;
}

.privacy-index {
  font-family: 'Space Mono', monospace, monospace;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: rgba(255, 255, 255, 0.68);
}

.privacy-title {
  font-size: 1.25rem;
  font-weight: 600;
  line-height: 1.35;
  color: #FFFFFF;
  margin-bottom: 0.875rem;
}

.privacy-desc {
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--text-secondary);
  margin-bottom: 1.25rem;
}

.privacy-highlight-box {
  background: rgba(0, 0, 0, 0.35);
  border-left: 2px solid rgba(255, 255, 255, 0.6);
  padding: 0.75rem 1rem;
  font-size: 0.8125rem;
  line-height: 1.55;
  color: rgba(255, 255, 255, 0.85);
  margin-top: auto;
}

/* --------------------------------------------------------------------------
   04. DOCUMENT CATEGORIES GRID (2x2 or 4 cols)
   -------------------------------------------------------------------------- */
.doc-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.75rem;
}

@media (max-width: 768px) {
  .doc-grid {
    grid-template-columns: 1fr;
  }
}

.doc-card {
  position: relative;
  background: rgba(255, 255, 255, 0.025);
  border: 1px solid var(--border-subtle);
  padding: 2.25rem 2rem;
  display: flex;
  flex-direction: column;
  transition: border-color 0.3s ease, background 0.3s ease;
}

.doc-card:hover {
  border-color: rgba(255, 255, 255, 0.35);
  background: rgba(255, 255, 255, 0.045);
}

.doc-badge {
  align-self: flex-start;
  padding: 3px 10px;
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  background: rgba(255, 255, 255, 0.1);
  color: #FFFFFF;
  border-radius: 2px;
  margin-bottom: 1.25rem;
}

.doc-title {
  font-size: 1.375rem;
  font-weight: 600;
  line-height: 1.35;
  color: #FFFFFF;
  margin-bottom: 0.875rem;
}

.doc-desc {
  font-size: 0.9375rem;
  line-height: 1.65;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
}

.doc-items-block {
  margin-top: auto;
  padding-top: 1.25rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.doc-items-title {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.68);
  margin-bottom: 0.625rem;
}

.doc-items-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.doc-items-list li {
  position: relative;
  padding-left: 1.25rem;
  font-size: 0.875rem;
  line-height: 1.55;
  color: var(--text-secondary);
}

.doc-items-list li::before {
  content: '·';
  position: absolute;
  left: 0.25rem;
  font-size: 1.25rem;
  line-height: 1;
  color: rgba(255, 255, 255, 0.65);
}

/* --------------------------------------------------------------------------
   05. STANDARDS SECTION (4 COLUMNS)
   -------------------------------------------------------------------------- */
.standards-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

@media (max-width: 1024px) {
  .standards-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .standards-grid {
    grid-template-columns: 1fr;
  }
}

.standard-card {
  position: relative;
  padding: 2rem 1.5rem;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-subtle);
  border-top: 2px solid rgba(255, 255, 255, 0.4);
}

.standard-num {
  font-family: 'Space Mono', monospace, monospace;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  color: rgba(255, 255, 255, 0.68);
  margin-bottom: 1rem;
}

.standard-title {
  font-size: 1.125rem;
  font-weight: 600;
  line-height: 1.4;
  color: #FFFFFF;
  margin-bottom: 0.75rem;
}

.standard-desc {
  font-size: 0.875rem;
  line-height: 1.65;
  color: var(--text-secondary);
}

/* --------------------------------------------------------------------------
   06. WORKFLOW SECTION (3 STEPS)
   -------------------------------------------------------------------------- */
.workflow-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  position: relative;
}

@media (max-width: 860px) {
  .workflow-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
}

.workflow-card {
  position: relative;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-subtle);
  padding: 2.25rem 2rem;
  display: flex;
  flex-direction: column;
}

.workflow-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
}

.workflow-step-badge {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: #FFFFFF;
}

.workflow-step-num {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255, 255, 255, 0.35);
  font-size: 0.8125rem;
  font-weight: 700;
  color: #FFFFFF;
}

.workflow-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: #FFFFFF;
  margin-bottom: 0.875rem;
}

.workflow-desc {
  font-size: 0.9375rem;
  line-height: 1.65;
  color: var(--text-secondary);
}

/* --------------------------------------------------------------------------
   07. FAQ SECTION
   -------------------------------------------------------------------------- */
.faq-accordion-group {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  max-width: 860px;
  margin: 0 auto;
}

.faq-item {
  border: 1px solid var(--border-subtle);
  background: rgba(255, 255, 255, 0.02);
  transition: border-color 0.25s ease, background 0.25s ease;
}

.faq-item[open] {
  border-color: rgba(255, 255, 255, 0.35);
  background: rgba(255, 255, 255, 0.04);
}

.faq-summary {
  padding: 1.5rem 1.75rem;
  font-size: 1.0625rem;
  font-weight: 600;
  color: #FFFFFF;
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  user-select: none;
}

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

.faq-summary::after {
  content: '+';
  font-size: 1.5rem;
  font-weight: 300;
  line-height: 1;
  color: rgba(255, 255, 255, 0.6);
  transition: transform 0.25s ease;
}

.faq-item[open] .faq-summary::after {
  content: '−';
  transform: rotate(180deg);
}

.faq-answer {
  padding: 0 1.75rem 1.75rem;
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--text-secondary);
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  margin-top: 0.25rem;
  padding-top: 1rem;
}

.faq-compliance-highlight {
  display: inline-block;
  padding: 2px 6px;
  background: rgba(255, 255, 255, 0.12);
  color: #FFFFFF;
  font-weight: 600;
  border-radius: 2px;
  margin-right: 0.25rem;
}

/* --------------------------------------------------------------------------
   08. CONTACT & FOOTER IN LANDING
   -------------------------------------------------------------------------- */
.landing-contact-section {
  padding: 6rem 1.5rem 4rem;
  background-color: var(--bg-void);
  border-top: 1px solid var(--border-subtle);
}

.landing-footer-meta {
  margin-top: 4rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.landing-footer-meta a {
  color: var(--text-secondary);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.landing-footer-meta a:hover {
  color: #FFFFFF;
}

/* --------------------------------------------------------------------------
   09. MOBILE FLOATING STICKY ACTION BAR
   -------------------------------------------------------------------------- */
.mobile-sticky-bar {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 45;
  background: rgba(5, 7, 10, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-top: 1px solid rgba(255, 255, 255, 0.18);
  padding: 0.75rem 1rem;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  transform: translateY(100%);
  transition: transform 0.3s var(--ease-spacex);
}

.mobile-sticky-bar.is-visible {
  transform: translateY(0);
}

.sticky-bar-price {
  font-size: 0.9375rem;
  font-weight: 600;
  color: #FFFFFF;
  line-height: 1.2;
}

.sticky-bar-subtitle {
  font-size: 0.6875rem;
  color: var(--text-secondary);
}

@media (max-width: 768px) {
  .mobile-sticky-bar {
    display: flex;
  }
}

@media (max-width: 767px) {
  .landing-header {
    height: auto;
  }

  .brand-badge {
    display: none;
  }

  .landing-hero-title {
    font-size: clamp(1.65rem, 6.8vw, 2.15rem);
  }

  .landing-hero {
    padding-top: calc(var(--header-height) + 4.5rem);
  }
}