/* ═══════════════════════════════════════════════════════════════
   SIMPLE SETS & TIMER COUNTER – Privacy Policy Stylesheet
   Design: Dark-mode, minimalist, text-focused with premium accents
   ═══════════════════════════════════════════════════════════════ */

/* ─── RESET & BASE ─── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  /* Color Palette */
  --color-bg:           hsl(220, 20%, 8%);
  --color-bg-2:         hsl(220, 18%, 11%);
  --color-bg-3:         hsl(220, 16%, 14%);
  --color-surface:      hsl(220, 15%, 16%);
  --color-surface-2:    hsl(220, 14%, 20%);
  --color-border:       hsl(220, 15%, 24%);
  --color-border-soft:  hsl(220, 14%, 20%);

  --color-accent:       hsl(252, 90%, 68%);
  --color-accent-glow:  hsla(252, 90%, 68%, 0.15);
  --color-accent-soft:  hsl(252, 60%, 75%);

  --color-green:        hsl(155, 70%, 45%);
  --color-green-bg:     hsla(155, 70%, 45%, 0.1);
  --color-green-border: hsla(155, 70%, 45%, 0.3);

  --color-amber:        hsl(38, 95%, 58%);
  --color-amber-bg:     hsla(38, 95%, 58%, 0.1);

  --color-text:         hsl(220, 15%, 90%);
  --color-text-muted:   hsl(220, 10%, 58%);
  --color-text-subtle:  hsl(220, 10%, 42%);

  /* Typography */
  --font-sans:   'Inter', system-ui, -apple-system, sans-serif;
  --font-mono:   'JetBrains Mono', 'Fira Code', monospace;

  /* Spacing */
  --space-xs:    0.25rem;
  --space-sm:    0.5rem;
  --space-md:    1rem;
  --space-lg:    1.5rem;
  --space-xl:    2rem;
  --space-2xl:   3rem;
  --space-3xl:   4rem;

  /* Layout */
  --max-width:   780px;
  --radius-sm:   6px;
  --radius-md:   10px;
  --radius-lg:   16px;

  /* Transitions */
  --ease:        cubic-bezier(0.4, 0, 0.2, 1);
  --duration:    200ms;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-sans);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ─── LAYOUT CONTAINER ─── */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-xl);
}

@media (max-width: 600px) {
  .container { padding: 0 var(--space-md); }
}

/* ═══════════════ SITE HEADER ═══════════════ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: hsla(220, 20%, 8%, 0.85);
  backdrop-filter: blur(16px) saturate(180%);
  -webkit-backdrop-filter: blur(16px) saturate(180%);
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-md) 0;
  transition: box-shadow var(--duration) var(--ease);
}

.site-header.scrolled {
  box-shadow: 0 4px 32px hsla(220, 20%, 4%, 0.6);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
}

.app-brand {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.brand-icon {
  width: 38px;
  height: 38px;
  background: linear-gradient(135deg, var(--color-accent), hsl(280, 80%, 60%));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: #fff;
  box-shadow: 0 4px 16px var(--color-accent-glow);
}

.brand-icon svg {
  width: 20px;
  height: 20px;
}

.brand-text {
  display: flex;
  flex-direction: column;
}

.brand-name {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text);
  letter-spacing: -0.01em;
  white-space: nowrap;
}

.brand-sub {
  font-size: 0.7rem;
  color: var(--color-text-muted);
  white-space: nowrap;
}

.header-badge {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--color-accent-soft);
  background: var(--color-accent-glow);
  border: 1px solid hsla(252, 90%, 68%, 0.25);
  border-radius: 99px;
  padding: var(--space-xs) var(--space-md);
  white-space: nowrap;
}

.badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--color-accent);
  animation: pulse-dot 2s infinite;
  flex-shrink: 0;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.6; transform: scale(0.85); }
}

/* ═══════════════ HERO ═══════════════ */
.hero {
  padding: var(--space-3xl) 0 var(--space-2xl);
  text-align: center;
  background: radial-gradient(ellipse 80% 60% at 50% 0%, hsla(252, 90%, 68%, 0.08) 0%, transparent 70%);
  border-bottom: 1px solid var(--color-border);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 39px,
    var(--color-border-soft) 40px
  ),
  repeating-linear-gradient(
    90deg,
    transparent,
    transparent 39px,
    var(--color-border-soft) 40px
  );
  opacity: 0.15;
  pointer-events: none;
}

.hero-inner {
  position: relative;
}

.hero-pill {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-accent-soft);
  background: var(--color-accent-glow);
  border: 1px solid hsla(252, 90%, 68%, 0.3);
  border-radius: 99px;
  padding: var(--space-xs) var(--space-md);
  margin-bottom: var(--space-lg);
}

.hero-title {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.1;
  color: var(--color-text);
  margin-bottom: var(--space-sm);
}

.hero-subtitle {
  font-size: clamp(1rem, 2.5vw, 1.25rem);
  font-weight: 400;
  color: var(--color-text-muted);
  margin-bottom: var(--space-xl);
}

.hero-meta {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--space-md);
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

.meta-item {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.meta-item strong {
  color: var(--color-text);
}

.meta-divider {
  width: 1px;
  height: 16px;
  background-color: var(--color-border);
}

/* ═══════════════ TABLE OF CONTENTS ═══════════════ */
.toc-nav {
  background-color: var(--color-bg-2);
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-xl) 0;
}

.toc-label {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-subtle);
  margin-bottom: var(--space-md);
}

.toc-list {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs) var(--space-sm);
  counter-reset: toc-counter;
}

.toc-list li {
  counter-increment: toc-counter;
}

.toc-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--color-text-muted);
  text-decoration: none;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  background-color: var(--color-bg-3);
  transition: all var(--duration) var(--ease);
}

.toc-link::before {
  content: counter(toc-counter, decimal-leading-zero);
  font-size: 0.65rem;
  font-family: var(--font-mono);
  color: var(--color-accent);
  opacity: 0.8;
}

.toc-link:hover,
.toc-link[aria-current="location"] {
  color: var(--color-accent-soft);
  background-color: var(--color-accent-glow);
  border-color: hsla(252, 90%, 68%, 0.3);
  transform: translateY(-1px);
}

.toc-link[aria-current="location"] {
  color: var(--color-accent);
  font-weight: 600;
}

/* ═══════════════ MAIN CONTENT ═══════════════ */
.main-content {
  padding: var(--space-3xl) 0;
}

/* ─── INTRO BLOCK ─── */
.intro-block {
  background-color: var(--color-bg-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  margin-bottom: var(--space-2xl);
  border-left: 3px solid var(--color-accent);
}

.intro-text {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  line-height: 1.8;
}

.intro-text + .intro-text {
  margin-top: var(--space-md);
}

.intro-text strong {
  color: var(--color-text);
  font-weight: 600;
}

/* ─── POLICY SECTION ─── */
.policy-section {
  margin-bottom: var(--space-2xl);
  scroll-margin-top: 80px;
  animation: fade-in-up 0.4s var(--ease) both;
}

@keyframes fade-in-up {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}

.section-header {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-md);
  border-bottom: 1px solid var(--color-border);
}

.section-number {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 500;
  color: var(--color-accent);
  background: var(--color-accent-glow);
  border: 1px solid hsla(252, 90%, 68%, 0.2);
  border-radius: var(--radius-sm);
  padding: 4px 8px;
  flex-shrink: 0;
  margin-top: 4px;
  letter-spacing: 0.05em;
}

.section-title {
  font-size: clamp(1.1rem, 3vw, 1.4rem);
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: -0.02em;
  line-height: 1.3;
}

.title-tag {
  font-size: 0.6em;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--color-amber);
  background: var(--color-amber-bg);
  border: 1px solid hsla(38, 95%, 58%, 0.3);
  border-radius: var(--radius-sm);
  padding: 2px 8px;
  vertical-align: middle;
  margin-left: 8px;
}

.section-body {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.section-body p {
  font-size: 0.925rem;
  color: var(--color-text-muted);
  line-height: 1.8;
}

.section-body p strong {
  color: var(--color-text);
}

/* ─── LISTS ─── */
.policy-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  padding-left: var(--space-md);
}

.policy-list li {
  font-size: 0.925rem;
  color: var(--color-text-muted);
  line-height: 1.75;
  position: relative;
}

.policy-list li strong {
  color: var(--color-text);
}

/* Bullet list custom marker */
ul.policy-list {
  list-style: none;
  padding-left: var(--space-lg);
}

ul.policy-list li::before {
  content: '';
  position: absolute;
  left: calc(-1 * var(--space-lg));
  top: 0.65em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--color-accent);
  opacity: 0.7;
}

/* Alpha list */
ol.policy-list--alpha {
  list-style: lower-alpha;
  padding-left: var(--space-xl);
}

ol.policy-list--alpha li::marker {
  color: var(--color-accent);
  font-weight: 600;
}

/* Rights list – accent border on each item */
ul.policy-list--rights li {
  padding: var(--space-sm) var(--space-md);
  background: var(--color-bg-2);
  border: 1px solid var(--color-border-soft);
  border-radius: var(--radius-sm);
  margin-bottom: 0;
  transition: border-color var(--duration) var(--ease);
}

ul.policy-list--rights li::before {
  display: none;
}

ul.policy-list--rights li:hover {
  border-color: hsla(252, 90%, 68%, 0.3);
  background: hsla(252, 90%, 68%, 0.04);
}

/* ─── HIGHLIGHT CARD (green "no data" callout) ─── */
.highlight-card {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md) var(--space-lg);
  border-radius: var(--radius-md);
  font-size: 0.925rem;
}

.highlight-card--green {
  background-color: var(--color-green-bg);
  border: 1px solid var(--color-green-border);
  color: var(--color-green);
}

.highlight-card--green svg {
  flex-shrink: 0;
  color: var(--color-green);
}

/* ─── INFO BOX ─── */
.info-box {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  background-color: var(--color-bg-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-md) var(--space-lg);
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

.info-box svg {
  flex-shrink: 0;
  margin-top: 2px;
  color: var(--color-accent-soft);
}

.info-box p { margin: 0; font-size: 0.875rem; }

code {
  font-family: var(--font-mono);
  font-size: 0.82em;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 2px 6px;
  color: var(--color-accent-soft);
}

/* ─── SUBSECTIONS ─── */
.subsection {
  padding: var(--space-lg);
  background-color: var(--color-bg-2);
  border: 1px solid var(--color-border-soft);
  border-radius: var(--radius-md);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.subsection-title {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: -0.01em;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.subsection p {
  font-size: 0.9rem !important;
  color: var(--color-text-muted) !important;
}

/* ─── SDK CARDS GRID ─── */
.sdk-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
}

@media (max-width: 560px) {
  .sdk-grid { grid-template-columns: 1fr; }
}

.sdk-card {
  display: flex;
  gap: var(--space-md);
  padding: var(--space-md);
  background-color: var(--color-bg-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: border-color var(--duration) var(--ease), transform var(--duration) var(--ease);
}

.sdk-card:hover {
  border-color: hsla(252, 90%, 68%, 0.35);
  transform: translateY(-2px);
}

.sdk-card__icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--color-accent), hsl(280, 80%, 60%));
  color: #fff;
  font-weight: 700;
  font-size: 0.7rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.sdk-card__body {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.sdk-card__name {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--color-text);
  margin: 0;
}

.sdk-card__desc {
  font-size: 0.78rem;
  color: var(--color-text-muted);
  line-height: 1.5;
  margin: 0;
}

.sdk-card__link {
  font-size: 0.75rem;
  color: var(--color-accent-soft);
  text-decoration: none;
  font-weight: 500;
  transition: color var(--duration) var(--ease);
}

.sdk-card__link:hover {
  color: var(--color-accent);
  text-decoration: underline;
}

/* ─── CONTACT INLINE ─── */
.contact-inline {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  font-size: 0.875rem;
  color: var(--color-text-muted);
  padding: var(--space-md) var(--space-lg);
  background-color: var(--color-bg-2);
  border: 1px solid var(--color-border-soft);
  border-radius: var(--radius-md);
}

.contact-inline svg {
  flex-shrink: 0;
  margin-top: 2px;
  color: var(--color-accent);
}

/* ─── INLINE LINKS ─── */
.inline-link {
  color: var(--color-accent-soft);
  text-decoration: none;
  font-weight: 500;
  border-bottom: 1px solid transparent;
  transition: color var(--duration) var(--ease), border-color var(--duration) var(--ease);
}

.inline-link:hover {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
}

/* ─── CONTACT CARD ─── */
.contact-card {
  background-color: var(--color-bg-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.contact-card__row {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  padding: var(--space-md) var(--space-lg);
}

.contact-card__label {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--color-text-subtle);
  min-width: 90px;
  flex-shrink: 0;
  padding-top: 2px;
}

.contact-card__value {
  font-size: 0.9rem;
  color: var(--color-text);
  font-weight: 500;
}

.contact-card__link {
  color: var(--color-accent-soft);
  text-decoration: none;
  font-weight: 600;
  transition: color var(--duration) var(--ease);
}

.contact-card__link:hover {
  color: var(--color-accent);
  text-decoration: underline;
}

.contact-card__divider {
  height: 1px;
  background-color: var(--color-border-soft);
  margin: 0 var(--space-lg);
}

.response-note {
  font-size: 0.875rem !important;
  color: var(--color-text-muted) !important;
  text-align: center;
  font-style: italic;
}

/* ═══════════════ SITE FOOTER ═══════════════ */
.site-footer {
  background-color: var(--color-bg-2);
  border-top: 1px solid var(--color-border);
  padding: var(--space-xl) 0;
}

.footer-inner {
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.footer-text {
  font-size: 0.875rem;
  color: var(--color-text);
}

.footer-meta {
  font-size: 0.78rem;
  color: var(--color-text-subtle);
}

/* ═══════════════ BACK TO TOP ═══════════════ */
.back-to-top {
  position: fixed;
  bottom: var(--space-xl);
  right: var(--space-xl);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-accent), hsl(280, 80%, 60%));
  color: #fff;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 24px var(--color-accent-glow);
  opacity: 0;
  transform: translateY(16px) scale(0.9);
  transition: opacity var(--duration) var(--ease), transform var(--duration) var(--ease);
  pointer-events: none;
  z-index: 99;
}

.back-to-top.visible {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: auto;
}

.back-to-top:hover {
  transform: translateY(-2px) scale(1.05);
  box-shadow: 0 8px 32px var(--color-accent-glow);
}

.back-to-top:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
}

/* ═══════════════ RESPONSIVE TWEAKS ═══════════════ */
@media (max-width: 480px) {
  .header-inner { flex-wrap: wrap; gap: var(--space-sm); }
  .brand-name   { font-size: 0.8rem; }
  .hero         { padding: var(--space-2xl) 0 var(--space-xl); }
  .hero-meta    { flex-direction: column; gap: var(--space-sm); }
  .meta-divider { display: none; }
  .back-to-top  { bottom: var(--space-md); right: var(--space-md); }
}

/* ─── SELECTION ─── */
::selection {
  background-color: var(--color-accent-glow);
  color: var(--color-accent-soft);
}

/* ─── SCROLLBAR (Webkit) ─── */
::-webkit-scrollbar               { width: 6px; }
::-webkit-scrollbar-track         { background: var(--color-bg); }
::-webkit-scrollbar-thumb         { background: var(--color-border); border-radius: 99px; }
::-webkit-scrollbar-thumb:hover   { background: var(--color-accent); }

/* ─── FOCUS RING ─── */
:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
  border-radius: 3px;
}

/* ═══════════════ HUB PAGES ADDITIONS ═══════════════ */
.hub-layout {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  padding: 2rem;
}

.hub-layout .container {
  background-color: var(--color-bg-2);
  padding: 3rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  text-align: center;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.4);
}

.hub-layout h1 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: var(--color-text);
}

.hub-layout .subtitle {
  font-size: 1rem;
  color: var(--color-text-muted);
  margin-bottom: 2rem;
}

.button-group {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  align-items: center;
  margin-top: 2rem;
}

.button-group-row {
  display: flex;
  flex-direction: row;
  justify-content: center;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 2rem;
}

.btn {
  display: inline-block;
  background-color: var(--color-accent);
  color: #ffffff;
  text-decoration: none;
  font-weight: 600;
  font-size: 1rem;
  padding: 0.875rem 2rem;
  border-radius: 9999px;
  transition: all var(--duration) var(--ease);
  border: none;
  cursor: pointer;
  box-shadow: 0 4px 16px var(--color-accent-glow);
  min-width: 300px;
  text-align: center;
}

.btn:hover {
  background-color: hsl(252, 90%, 60%);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px hsla(252, 90%, 68%, 0.3);
  color: #fff;
}

.btn-secondary {
  background-color: transparent;
  color: var(--color-accent);
  border: 2px solid var(--color-accent);
  box-shadow: none;
}

.btn-secondary:hover {
  background-color: var(--color-accent-glow);
  color: var(--color-accent-soft);
  box-shadow: none;
}

/* Enhancements for micro-animations */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.hub-layout .container {
  animation: fadeIn 0.5s ease-out forwards;
}

.legal-content-raw {
  background: var(--color-bg-3);
  padding: 2rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  margin-bottom: 2rem;
  font-family: var(--font-mono); 
  white-space: pre-wrap;
  font-size: 0.85rem;
  color: var(--color-text-muted);
  line-height: 1.8;
  overflow-x: auto;
  text-align: left;
}