/* ====================================================================
   PAOPAODOG.VIP — STYLE 56: CELESTIAL OBSERVATORY DESIGN SYSTEM
   ==================================================================== */

:root {
  /* Celestial Color Palette */
  --obs-bg-void: #03050c;
  --obs-bg-base: #070b19;
  --obs-bg-surface: #0e162d;
  --obs-bg-panel: #131c38;
  --obs-bg-panel-hover: #19254a;
  
  --obs-border-dim: rgba(110, 231, 231, 0.12);
  --obs-border-medium: rgba(110, 231, 231, 0.22);
  --obs-border-gold: rgba(240, 184, 73, 0.4);
  --obs-border-gold-bright: #f0b849;

  --obs-text-bright: #ffffff;
  --obs-text-main: #e6edf8;
  --obs-text-muted: #9a93b8;
  --obs-text-dim: #656d8a;
  
  --obs-cyan: #6ee7e7;
  --obs-cyan-dim: rgba(110, 231, 231, 0.15);
  --obs-gold: #f0b849;
  --obs-gold-glow: rgba(240, 184, 73, 0.25);
  --obs-violet: #8e83be;

  /* Typography Stacks (Strictly Local / System Fonts) */
  --font-serif: Georgia, "Nimbus Roman No9 L", "Songti SC", "SimSun", "STSong", serif;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --font-mono: "SF Mono", "Consolas", "Roboto Mono", "Courier New", monospace;

  /* Layout */
  --max-w: 1200px;
  --header-h: 72px;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Reset & Box Sizing */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  background-color: var(--obs-bg-base);
  color: var(--obs-text-main);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body {
  font-family: var(--font-sans);
  line-height: 1.65;
  background-color: var(--obs-bg-base);
  background-image: 
    radial-gradient(circle at 50% 0%, rgba(20, 32, 65, 0.5) 0%, transparent 70%),
    radial-gradient(circle at 100% 50%, rgba(14, 22, 45, 0.4) 0%, transparent 60%),
    radial-gradient(1.5px 1.5px at 15% 15%, rgba(255, 255, 255, 0.4) 50%, transparent 100%),
    radial-gradient(1.5px 1.5px at 75% 25%, rgba(110, 231, 231, 0.5) 50%, transparent 100%),
    radial-gradient(1px 1px at 35% 65%, rgba(240, 184, 73, 0.4) 50%, transparent 100%),
    radial-gradient(1.5px 1.5px at 85% 80%, rgba(255, 255, 255, 0.3) 50%, transparent 100%);
  background-attachment: fixed;
  overflow-x: hidden;
  min-height: 100vh;
}

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

a {
  color: inherit;
  text-decoration: none;
}

button {
  font-family: inherit;
  border: none;
  background: none;
  cursor: pointer;
}

/* Container */
.obs-container {
  width: 100%;
  max-width: var(--max-w);
  margin-left: auto;
  margin-right: auto;
  padding-left: 20px;
  padding-right: 20px;
}

/* ====================================================================
   HEADER & CELESTIAL NAV
   ==================================================================== */
.obs-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  background: rgba(7, 11, 25, 0.88);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--obs-border-dim);
}

.obs-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.obs-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.obs-brand__logo {
  width: 38px;
  height: 38px;
  flex-shrink: 0;
}

.obs-brand__meta {
  display: flex;
  flex-direction: column;
}

.obs-brand__name {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--obs-text-bright);
  letter-spacing: 0.04em;
}

.obs-brand__tagline {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--obs-cyan);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

/* Desktop Navigation */
.obs-nav {
  display: none;
  align-items: center;
  gap: 28px;
}

.obs-nav__link {
  position: relative;
  font-family: var(--font-sans);
  font-size: 0.92rem;
  color: var(--obs-text-muted);
  transition: var(--transition);
  padding: 8px 4px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.obs-nav__dot {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--obs-cyan);
  opacity: 0;
  transition: var(--transition);
}

.obs-nav__link:hover,
.obs-nav__link.is-active {
  color: var(--obs-text-bright);
}

.obs-nav__link:hover .obs-nav__dot,
.obs-nav__link.is-active .obs-nav__dot {
  opacity: 1;
  box-shadow: 0 0 8px var(--obs-cyan);
}

.obs-nav__code {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--obs-cyan);
  opacity: 0.7;
}

/* Header Actions */
.obs-header__actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

/* Buttons */
.obs-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 22px;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-weight: 500;
  transition: var(--transition);
  min-height: 44px;
  min-width: 44px;
  cursor: pointer;
  white-space: nowrap;
}

.obs-btn--primary {
  background-color: var(--obs-bg-surface);
  color: var(--obs-text-bright);
  border: 1px solid var(--obs-border-gold);
  box-shadow: 0 0 14px var(--obs-gold-glow);
  position: relative;
}

.obs-btn--primary:hover {
  border-color: var(--obs-gold);
  box-shadow: 0 0 22px rgba(240, 184, 73, 0.45);
  transform: translateY(-2px);
  color: #ffffff;
}

.obs-btn--secondary {
  background: transparent;
  color: var(--obs-text-main);
  border: 1px solid var(--obs-border-medium);
}

.obs-btn--secondary:hover {
  background: var(--obs-cyan-dim);
  border-color: var(--obs-cyan);
  color: var(--obs-cyan);
  transform: translateY(-2px);
}

.obs-btn--gold {
  background: linear-gradient(135deg, #f0b849 0%, #d89e34 100%);
  color: #070b19;
  font-weight: 600;
  border: 1px solid #f0b849;
  box-shadow: 0 0 16px rgba(240, 184, 73, 0.4);
}

.obs-btn--gold:hover {
  box-shadow: 0 0 24px rgba(240, 184, 73, 0.6);
  transform: translateY(-2px);
}

/* Mobile Toggle */
.obs-menu-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  color: var(--obs-text-bright);
  border: 1px solid var(--obs-border-dim);
  border-radius: var(--radius-sm);
}

.obs-mobile-drawer {
  display: none;
  position: fixed;
  top: var(--header-h);
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(7, 11, 25, 0.97);
  backdrop-filter: blur(16px);
  padding: 24px;
  z-index: 99;
  flex-direction: column;
  gap: 18px;
}

.obs-mobile-drawer.is-open {
  display: flex;
}

.obs-mobile-drawer .obs-nav__link {
  font-size: 1.1rem;
  padding: 12px 0;
  border-bottom: 1px solid var(--obs-border-dim);
}

/* ====================================================================
   LEVEL 01: ATMOSPHERE / HERO SECTION
   ==================================================================== */
.obs-hero {
  position: relative;
  padding-top: 54px;
  padding-bottom: 70px;
  border-bottom: 1px solid var(--obs-border-dim);
  overflow: hidden;
}

.obs-telemetry-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 24px;
}

.obs-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  border-radius: 20px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  background: rgba(14, 22, 45, 0.7);
  border: 1px solid var(--obs-border-dim);
  color: var(--obs-text-muted);
}

.obs-badge--active {
  border-color: var(--obs-cyan);
  color: var(--obs-cyan);
  background: var(--obs-cyan-dim);
}

.obs-badge__pulse {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--obs-cyan);
  box-shadow: 0 0 8px var(--obs-cyan);
}

.obs-hero__content {
  max-width: 820px;
  margin-bottom: 40px;
}

.obs-hero__concept {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--obs-gold);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  margin-bottom: 12px;
  display: block;
}

.obs-hero__title {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 5vw, 3.4rem);
  font-weight: 700;
  line-height: 1.25;
  color: var(--obs-text-bright);
  margin-bottom: 20px;
  letter-spacing: -0.01em;
}

.obs-hero__subtitle {
  font-size: 1.1rem;
  color: var(--obs-text-muted);
  line-height: 1.7;
  margin-bottom: 32px;
  max-width: 680px;
}

.obs-hero__cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
  margin-bottom: 28px;
}

.obs-hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  padding-top: 18px;
  border-top: 1px solid var(--obs-border-dim);
}

.obs-fact-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--obs-text-muted);
}

.obs-fact-item svg {
  color: var(--obs-cyan);
  flex-shrink: 0;
}

/* Hero Celestial Stage Visual */
.obs-hero__visual {
  position: relative;
  background: var(--obs-bg-surface);
  border: 1px solid var(--obs-border-medium);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: 0 16px 40px rgba(3, 5, 12, 0.7);
}

.obs-hero__chart {
  width: 100%;
  height: auto;
}

/* ====================================================================
   SECTION COMMON & HEADERS
   ==================================================================== */
.obs-section {
  padding-top: 80px;
  padding-bottom: 80px;
  border-bottom: 1px solid var(--obs-border-dim);
  position: relative;
}

.obs-section__header {
  margin-bottom: 50px;
  max-width: 760px;
}

.obs-section__level {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--obs-gold);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  margin-bottom: 8px;
  display: block;
}

.obs-section__title {
  font-family: var(--font-serif);
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  color: var(--obs-text-bright);
  line-height: 1.3;
  margin-bottom: 14px;
}

.obs-section__desc {
  font-size: 1rem;
  color: var(--obs-text-muted);
  line-height: 1.7;
}

/* ====================================================================
   LEVEL 02: ORBIT / OBSERVATORY FEATURE PANELS
   ==================================================================== */
.obs-grid-4 {
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
}

.obs-panel {
  background: var(--obs-bg-surface);
  border: 1px solid var(--obs-border-dim);
  border-radius: var(--radius-md);
  padding: 26px;
  transition: var(--transition);
  position: relative;
  display: flex;
  flex-direction: column;
}

.obs-panel:hover {
  border-color: var(--obs-border-gold);
  background: var(--obs-bg-panel);
  transform: translateY(-3px);
  box-shadow: 0 10px 28px rgba(3, 5, 12, 0.6);
}

.obs-panel__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 18px;
}

.obs-panel__icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  background: var(--obs-cyan-dim);
  color: var(--obs-cyan);
}

.obs-panel__telemetry {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--obs-gold);
}

.obs-panel__title {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  color: var(--obs-text-bright);
  margin-bottom: 12px;
}

.obs-panel__desc {
  font-size: 0.92rem;
  color: var(--obs-text-muted);
  line-height: 1.65;
  margin-bottom: 18px;
  flex-grow: 1;
}

.obs-panel__footer {
  padding-top: 14px;
  border-top: 1px dashed var(--obs-border-dim);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--obs-text-dim);
}

/* ====================================================================
   LEVEL 03: DEEP SPACE / STREAMING & AI ACCELERATION
   ==================================================================== */
.obs-system-box {
  background: var(--obs-bg-surface);
  border: 1px solid var(--obs-border-medium);
  border-radius: var(--radius-md);
  padding: 34px;
  margin-bottom: 30px;
}

.obs-system-box__title {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  color: var(--obs-text-bright);
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.obs-system-box__lead {
  font-size: 0.95rem;
  color: var(--obs-text-muted);
  margin-bottom: 24px;
}

.obs-system-pills {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 14px;
}

.obs-pill {
  background: var(--obs-bg-panel);
  border: 1px solid var(--obs-border-dim);
  border-radius: var(--radius-sm);
  padding: 14px;
  display: flex;
  align-items: center;
  gap: 12px;
  transition: var(--transition);
}

.obs-pill:hover {
  border-color: var(--obs-cyan);
  background: var(--obs-bg-panel-hover);
}

.obs-pill__icon {
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--obs-cyan);
  flex-shrink: 0;
}

.obs-pill__name {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--obs-text-bright);
}

.obs-pill__status {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--obs-cyan);
}

/* ====================================================================
   USE CASES (DISCOVER)
   ==================================================================== */
.obs-grid-3 {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.obs-usecase-card {
  background: var(--obs-bg-surface);
  border: 1px solid var(--obs-border-dim);
  border-radius: var(--radius-md);
  padding: 28px;
  position: relative;
}

.obs-usecase-card__tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--obs-cyan);
  margin-bottom: 12px;
  display: block;
}

.obs-usecase-card__title {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  color: var(--obs-text-bright);
  margin-bottom: 10px;
}

.obs-usecase-card__devices {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--obs-gold);
  margin-bottom: 14px;
  padding: 4px 10px;
  background: rgba(240, 184, 73, 0.1);
  border-radius: 4px;
  display: inline-block;
}

.obs-usecase-card__desc {
  font-size: 0.92rem;
  color: var(--obs-text-muted);
  line-height: 1.65;
}

/* ====================================================================
   LEVEL 04: UNKNOWN / PRICING ORBIT PLANS
   ==================================================================== */
.obs-pricing-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  align-items: stretch;
}

.obs-pricing-card {
  background: var(--obs-bg-surface);
  border: 1px solid var(--obs-border-dim);
  border-radius: var(--radius-md);
  padding: 36px 28px;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: var(--transition);
}

.obs-pricing-card:hover {
  transform: translateY(-4px);
  border-color: var(--obs-border-gold);
}

.obs-pricing-card--featured {
  background: var(--obs-bg-panel);
  border: 1px solid var(--obs-gold);
  box-shadow: 0 0 30px var(--obs-gold-glow);
}

.obs-pricing-card__badge {
  position: absolute;
  top: -13px;
  left: 28px;
  background: linear-gradient(135deg, #f0b849 0%, #c48b20 100%);
  color: #070b19;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  padding: 3px 12px;
  border-radius: 12px;
  text-transform: uppercase;
}

.obs-pricing-card__orbit {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--obs-cyan);
  text-transform: uppercase;
  margin-bottom: 8px;
}

.obs-pricing-card__tier {
  font-family: var(--font-serif);
  font-size: 1.45rem;
  color: var(--obs-text-bright);
  margin-bottom: 6px;
}

.obs-pricing-card__for {
  font-size: 0.85rem;
  color: var(--obs-text-muted);
  margin-bottom: 24px;
}

.obs-pricing-card__price-box {
  display: flex;
  align-items: baseline;
  gap: 4px;
  margin-bottom: 24px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--obs-border-dim);
}

.obs-pricing-card__currency {
  font-size: 1.2rem;
  color: var(--obs-text-bright);
}

.obs-pricing-card__amount {
  font-family: var(--font-serif);
  font-size: 2.8rem;
  font-weight: 700;
  color: var(--obs-text-bright);
  line-height: 1;
}

.obs-pricing-card__unit {
  font-size: 0.85rem;
  color: var(--obs-text-muted);
}

.obs-pricing-card__list {
  list-style: none;
  margin-bottom: 30px;
  flex-grow: 1;
}

.obs-pricing-card__item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.9rem;
  color: var(--obs-text-muted);
  margin-bottom: 12px;
  line-height: 1.5;
}

.obs-pricing-card__item svg {
  color: var(--obs-cyan);
  flex-shrink: 0;
  margin-top: 3px;
}

.obs-pricing-card .obs-btn {
  width: 100%;
}

/* ====================================================================
   LEVEL 05: DATA & FAQ
   ==================================================================== */
.obs-faq-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.obs-faq-item {
  background: var(--obs-bg-surface);
  border: 1px solid var(--obs-border-dim);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: var(--transition);
}

.obs-faq-item[open] {
  border-color: var(--obs-border-medium);
  background: var(--obs-bg-panel);
}

.obs-faq-summary {
  padding: 20px 24px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  font-family: var(--font-sans);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--obs-text-bright);
  user-select: none;
}

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

.obs-faq-summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 1.4rem;
  color: var(--obs-cyan);
  transition: var(--transition);
}

.obs-faq-item[open] .obs-faq-summary::after {
  content: "−";
  color: var(--obs-gold);
}

.obs-faq-answer {
  padding: 0 24px 22px 24px;
  font-size: 0.95rem;
  color: var(--obs-text-muted);
  line-height: 1.7;
}

/* ====================================================================
   FINAL CTA SECTION
   ==================================================================== */
.obs-final-cta {
  padding: 85px 0;
  background: radial-gradient(circle at 50% 50%, rgba(19, 28, 56, 0.8) 0%, rgba(7, 11, 25, 0.95) 100%);
  border-bottom: 1px solid var(--obs-border-dim);
  text-align: center;
}

.obs-final-cta__inner {
  max-width: 680px;
  margin: 0 auto;
}

.obs-final-cta__label {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--obs-gold);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  margin-bottom: 14px;
  display: block;
}

.obs-final-cta__title {
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  color: var(--obs-text-bright);
  margin-bottom: 16px;
  line-height: 1.3;
}

.obs-final-cta__desc {
  font-size: 1.05rem;
  color: var(--obs-text-muted);
  margin-bottom: 32px;
  line-height: 1.7;
}

/* ====================================================================
   FOOTER & COMPLIANCE PAGES
   ==================================================================== */
.obs-footer {
  padding: 50px 0 34px 0;
  background: var(--obs-bg-void);
  font-size: 0.86rem;
  color: var(--obs-text-dim);
}

.obs-footer__top {
  display: flex;
  flex-direction: column;
  gap: 20px;
  padding-bottom: 30px;
  border-bottom: 1px solid var(--obs-border-dim);
  margin-bottom: 24px;
}

.obs-footer__nav {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
}

.obs-footer__nav a {
  color: var(--obs-text-muted);
  transition: var(--transition);
}

.obs-footer__nav a:hover {
  color: var(--obs-cyan);
}

.obs-footer__disclosure {
  font-size: 0.82rem;
  color: var(--obs-text-dim);
  line-height: 1.6;
}

.obs-footer__bottom {
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
}

/* ====================================================================
   ARTICLE & GUIDES STYLING
   ==================================================================== */
.obs-article-body {
  max-width: 820px;
  margin: 0 auto;
  padding: 40px 0 60px 0;
}

.obs-breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--obs-text-dim);
  margin-bottom: 26px;
  flex-wrap: wrap;
}

.obs-breadcrumb a {
  color: var(--obs-text-muted);
  transition: var(--transition);
}

.obs-breadcrumb a:hover {
  color: var(--obs-cyan);
}

.obs-article-header {
  margin-bottom: 36px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--obs-border-dim);
}

.obs-article-header__meta {
  display: flex;
  align-items: center;
  gap: 16px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--obs-cyan);
  margin-bottom: 14px;
}

.obs-article-header__title {
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  color: var(--obs-text-bright);
  line-height: 1.35;
  margin-bottom: 18px;
}

.obs-article-header__lead {
  font-size: 1.05rem;
  color: var(--obs-text-muted);
  line-height: 1.75;
}

.obs-content {
  font-size: 1rem;
  color: var(--obs-text-main);
  line-height: 1.8;
}

.obs-content h2 {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  color: var(--obs-text-bright);
  margin-top: 40px;
  margin-bottom: 18px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--obs-border-dim);
}

.obs-content h3 {
  font-size: 1.2rem;
  color: var(--obs-text-bright);
  margin-top: 26px;
  margin-bottom: 12px;
}

.obs-content p {
  margin-bottom: 18px;
}

.obs-content ul, .obs-content ol {
  margin-bottom: 20px;
  padding-left: 24px;
}

.obs-content li {
  margin-bottom: 8px;
}

.obs-content a {
  color: var(--obs-cyan);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.obs-content a:hover {
  color: var(--obs-gold);
}

.obs-content blockquote {
  border-left: 3px solid var(--obs-gold);
  background: var(--obs-bg-surface);
  padding: 18px 22px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin: 24px 0;
  color: var(--obs-text-muted);
  font-style: italic;
}

.obs-article-cta-box {
  margin: 45px 0;
  padding: 32px;
  background: var(--obs-bg-surface);
  border: 1px solid var(--obs-border-gold);
  border-radius: var(--radius-md);
  text-align: center;
  box-shadow: 0 0 24px var(--obs-gold-glow);
}

.obs-article-cta-box__title {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  color: var(--obs-text-bright);
  margin-bottom: 10px;
}

.obs-article-cta-box__desc {
  font-size: 0.95rem;
  color: var(--obs-text-muted);
  margin-bottom: 20px;
}

/* Guides Grid */
.obs-guides-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  margin-top: 36px;
}

.obs-guide-card {
  background: var(--obs-bg-surface);
  border: 1px solid var(--obs-border-dim);
  border-radius: var(--radius-md);
  padding: 26px;
  display: flex;
  flex-direction: column;
  transition: var(--transition);
}

.obs-guide-card:hover {
  border-color: var(--obs-cyan);
  transform: translateY(-3px);
  background: var(--obs-bg-panel);
}

.obs-guide-card__meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--obs-gold);
  margin-bottom: 12px;
}

.obs-guide-card__title {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  color: var(--obs-text-bright);
  margin-bottom: 12px;
  line-height: 1.4;
}

.obs-guide-card__desc {
  font-size: 0.92rem;
  color: var(--obs-text-muted);
  line-height: 1.65;
  margin-bottom: 20px;
  flex-grow: 1;
}

.obs-guide-card__link {
  font-family: var(--font-sans);
  font-size: 0.9rem;
  color: var(--obs-cyan);
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-weight: 500;
}

.obs-guide-card__link:hover {
  color: var(--obs-gold);
}

/* ====================================================================
   MOBILE STICKY CTA
   ==================================================================== */
.obs-sticky-bar {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 90;
  background: rgba(7, 11, 25, 0.94);
  backdrop-filter: blur(12px);
  border-top: 1px solid var(--obs-border-gold);
  padding: 12px 18px;
  box-shadow: 0 -4px 18px rgba(3, 5, 12, 0.8);
}

.obs-sticky-bar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.obs-sticky-bar__text {
  font-size: 0.85rem;
  color: var(--obs-text-bright);
  font-weight: 500;
}

.obs-sticky-bar .obs-btn {
  padding: 8px 18px;
  min-height: 40px;
  font-size: 0.88rem;
}

/* ====================================================================
   RESPONSIVE BREAKPOINTS (Tablet & Desktop)
   ==================================================================== */
@media (min-width: 640px) {
  .obs-grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
  .obs-grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }
  .obs-guides-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 900px) {
  .obs-nav {
    display: flex;
  }
  .obs-menu-toggle {
    display: none;
  }
  .obs-grid-4 {
    grid-template-columns: repeat(4, 1fr);
  }
  .obs-grid-3 {
    grid-template-columns: repeat(3, 1fr);
  }
  .obs-pricing-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .obs-guides-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .obs-footer__top {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
  .obs-hero {
    padding-top: 70px;
    padding-bottom: 90px;
  }
}

@media (max-width: 768px) {
  .obs-sticky-bar.is-visible {
    display: block;
  }
}