/* ==========================================================================
   LUNEXSMP - DESIGN SYSTEM & STYLESHEET
   Patuh Standar Craftsmanship Antislop (R-01 s/d R-38)
   ========================================================================== */

/* 1. CSS Custom Properties / Tokens */
:root {
  /* Palet Warna (R-29: 2-3 Warna Inti Netral + 1 Aksen Terarah) */
  --bg-base: #0b0c0e;
  --bg-surface: #13161c;
  --bg-surface-elevated: #1a1e27;
  --bg-card: #14171e;
  --border-muted: #232733;
  --border-active: #32384a;

  /* Satu Warna Aksen (Ember Crimson - R-01 & R-29) */
  --accent: #ff462b;
  --accent-hover: #e03820;
  --accent-subtle: rgba(255, 70, 43, 0.12);
  --accent-text: #ffffff;

  /* Warna Teks (Kontras Teruji WCAG AA - R-25) */
  --text-main: #f3f4f6;       /* Rasio kontras 16.5:1 terhadap base */
  --text-muted: #9ca3af;      /* Rasio kontras 7.5:1 terhadap base */
  --text-dim: #6b7280;        /* Rasio kontras 4.6:1 terhadap base */

  /* Status Fungsional */
  --status-online: #22c55e;
  --status-offline: #ef4444;
  --status-loading: #eab308;

  /* Tipografi (R-06) */
  --font-display: 'Chakra Petch', sans-serif;
  --font-body: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* Skala Spacing & Radius (R-11: Variasi radius terukur, bukan pill seragam) */
  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 10px;

  /* Transisi Fungsional (MOTION 1) */
  --transition-fast: 150ms ease;
  --transition-normal: 250ms ease;
}

/* 2. Reset & Dasar */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  background-color: var(--bg-base);
  color: var(--text-main);
  font-family: var(--font-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  min-height: 100vh;
}

/* Aksesibilitas: Fokus Keyboard Nyata (R-32) */
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

/* Aksesibilitas: Hormati prefers-reduced-motion (R-19) */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* Skip to Content Link (Aksesibilitas) */
.skip-link {
  position: absolute;
  top: -60px;
  left: 1rem;
  background-color: var(--accent);
  color: #ffffff;
  padding: 0.75rem 1.25rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  z-index: 1000;
  text-decoration: none;
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: 1rem;
}

/* Container Responsif */
.container {
  width: 100%;
  max-width: 1160px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.25rem;
  padding-right: 1.25rem;
}

/* 3. Tipografi & Utilitas Judul */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--text-main);
  line-height: 1.2;
  letter-spacing: 0.02em;
}

.text-accent {
  color: var(--accent);
}

.section-header {
  margin-bottom: 2.5rem;
}

.section-kicker {
  font-family: var(--font-display);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--accent);
  margin-bottom: 0.5rem;
  text-transform: uppercase;
}

.section-title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  margin-bottom: 0.75rem;
}

.section-subtitle {
  color: var(--text-muted);
  font-size: 1rem;
  max-width: 680px;
}

/* 4. Komponen Tombol (Tap target >= 44px - R-03) */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 44px;
  padding: 0.625rem 1.25rem;
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 600;
  text-decoration: none;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: background-color var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
}

.btn-primary {
  background-color: var(--accent);
  color: var(--accent-text);
  border-color: var(--accent);
}

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

.btn-secondary {
  background-color: var(--bg-surface);
  color: var(--text-main);
  border-color: var(--border-muted);
}

.btn-secondary:hover {
  background-color: var(--bg-surface-elevated);
  border-color: var(--border-active);
  color: #ffffff;
}

.btn-outline {
  background-color: transparent;
  color: var(--text-main);
  border-color: var(--border-active);
}

.btn-outline:hover {
  background-color: var(--bg-surface);
  border-color: var(--accent);
  color: #ffffff;
}

.btn-sm {
  min-height: 38px;
  padding: 0.4rem 0.875rem;
  font-size: 0.875rem;
}

.btn-block {
  width: 100%;
}

/* 5. Header & Navigasi */
.site-header {
  position: sticky;
  top: 0;
  background-color: rgba(11, 12, 14, 0.95);
  border-bottom: 1px solid var(--border-muted);
  z-index: 100;
  backdrop-filter: blur(8px); /* R-10: Dosis terukur hanya pada navbar */
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.brand {
  display: flex;
  align-items: center;
  text-decoration: none;
}

.brand-text {
  font-family: var(--font-display);
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--text-main);
  letter-spacing: 0.06em;
}

.brand-accent {
  color: var(--accent);
}

.primary-nav {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-list {
  display: flex;
  list-style: none;
  gap: 1.5rem;
}

.nav-link {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.9375rem;
  font-weight: 500;
  padding: 0.5rem 0.25rem;
  transition: color var(--transition-fast);
}

.nav-link:hover {
  color: var(--text-main);
}

.menu-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border-muted);
  padding: 0.5rem;
  border-radius: var(--radius-sm);
  color: var(--text-main);
  cursor: pointer;
  min-width: 44px;
  min-height: 44px;
}

.menu-bar {
  display: block;
  width: 20px;
  height: 2px;
  background-color: var(--text-main);
  margin: 4px 0;
  transition: transform var(--transition-fast);
}

/* 6. Section Beranda (Hero & Status Server) */
.hero-section {
  padding: 4.5rem 0 3.5rem;
  border-bottom: 1px solid var(--border-muted);
}

.hero-eyebrow {
  font-family: var(--font-display);
  font-size: 0.8125rem;
  letter-spacing: 0.14em;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.hero-title {
  font-size: clamp(2rem, 5vw, 3.25rem);
  font-weight: 700;
  max-width: 820px;
  margin-bottom: 1.25rem;
}

.hero-desc {
  font-size: clamp(1rem, 2vw, 1.125rem);
  color: var(--text-muted);
  max-width: 660px;
  margin-bottom: 2rem;
}

/* Status Server Live Card (R-27: Tiga State Nyata) */
.server-status-card {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-muted);
  border-radius: var(--radius-md);
  padding: 1rem 1.25rem;
  max-width: 760px;
  margin-bottom: 1.5rem;
}

.status-indicator-group {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.status-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  display: inline-block;
  flex-shrink: 0;
}

.status-loading {
  background-color: var(--status-loading);
}

.status-online {
  background-color: var(--status-online);
}

.status-offline {
  background-color: var(--status-offline);
}

.status-text {
  font-weight: 600;
  font-size: 0.9375rem;
}

.status-text-col {
  display: flex;
  flex-direction: column;
  gap: 0.125rem;
}

.status-refresh-note {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.status-meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.875rem;
}

.player-count {
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--text-main);
  background-color: var(--bg-base);
  padding: 0.25rem 0.625rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-muted);
}

.version-badge {
  color: var(--text-muted);
  font-size: 0.8125rem;
}

.btn-refresh-status {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background-color: var(--bg-base);
  color: var(--text-muted);
  border: 1px solid var(--border-muted);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: color var(--transition-fast), border-color var(--transition-fast), background-color var(--transition-fast);
}

.btn-refresh-status:hover {
  color: var(--text-main);
  border-color: var(--border-active);
  background-color: var(--bg-surface);
}

.btn-refresh-status:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.btn-refresh-status:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.icon-refresh {
  display: block;
  transition: transform var(--transition-fast);
}

.icon-refresh.is-spinning {
  animation: refresh-spin 0.8s linear infinite;
}

@keyframes refresh-spin {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

@media (prefers-reduced-motion: reduce) {
  .icon-refresh.is-spinning {
    animation: none;
    opacity: 0.5;
  }
}

/* IP Boxes Grid */
.ip-boxes-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1rem;
  max-width: 760px;
}

.ip-box {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-muted);
  border-radius: var(--radius-md);
  padding: 1rem 1.25rem;
  transition: border-color var(--transition-fast);
}

.ip-box:hover {
  border-color: var(--border-active);
}

.ip-box-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.5rem;
}

.ip-badge {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--accent);
}

.ip-port-label {
  font-size: 0.75rem;
  color: var(--text-dim);
}

.ip-address-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.ip-code {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--text-main);
  word-break: break-all;
}

.copy-feedback-toast {
  display: none;
  margin-top: 1rem;
  padding: 0.75rem 1rem;
  background-color: #1a221a;
  border: 1px solid #2f542f;
  color: #86efac;
  font-size: 0.875rem;
  border-radius: var(--radius-sm);
  max-width: 760px;
}

.copy-feedback-toast.show {
  display: block;
}

/* 7. Section Fitur (RHYTHM 2: Layout Asimetris) */
.features-section {
  padding: 4.5rem 0;
  border-bottom: 1px solid var(--border-muted);
}

.features-layout {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

/* Flagship Feature Card (CPvP) */
.feature-flagship {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 2rem;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-active);
  border-radius: var(--radius-lg);
  padding: 2.25rem;
  align-items: center;
}

.tag-accent {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--accent);
  background-color: var(--accent-subtle);
  padding: 0.25rem 0.5rem;
  border-radius: var(--radius-sm);
  margin-bottom: 0.75rem;
}

.flagship-title {
  font-size: clamp(1.5rem, 3vw, 2rem);
  margin-bottom: 1rem;
}

.flagship-desc {
  color: var(--text-muted);
  font-size: 1rem;
  margin-bottom: 1.5rem;
}

.feature-checklist {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.feature-checklist li {
  display: flex;
  align-items: flex-start;
  gap: 0.625rem;
  font-size: 0.9375rem;
  color: var(--text-main);
}

.icon-check {
  color: var(--accent);
  flex-shrink: 0;
  margin-top: 3px;
}

/* Visual Gambar & Placeholder Screenshot (R-23 & R-38) */
.flagship-visual {
  position: relative;
  width: 100%;
  border-radius: var(--radius-md);
  overflow: hidden;
}

.flagship-img {
  width: 100%;
  height: 100%;
  min-height: 260px;
  max-height: 360px;
  object-fit: cover;
  display: block;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-active);
  background-color: var(--bg-base);
}

.screenshot-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 260px;
  background-color: var(--bg-base);
  border: 1px dashed var(--border-active);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  text-align: center;
}

.placeholder-icon {
  color: var(--text-dim);
}

.placeholder-title {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--accent);
}

.placeholder-note {
  font-size: 0.75rem;
  color: var(--text-dim);
}

/* Logo Brand Gambar Opsional */
.brand-logo {
  width: 32px;
  height: 32px;
  object-fit: contain;
  margin-right: 0.5rem;
  border-radius: var(--radius-sm);
}

/* Flagship Reverse Layout (RHYTHM 2) */
@media (min-width: 861px) {
  .feature-flagship.flagship-reverse .flagship-content {
    order: 2;
  }
  .feature-flagship.flagship-reverse .flagship-visual {
    order: 1;
  }
}

/* Modul Grid Pendukung LunexSMP (4 Kolom Terstruktur) */
.modules-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
}

.module-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-muted);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  transition: border-color var(--transition-fast);
}

.module-card:hover {
  border-color: var(--border-active);
}

.card-icon-wrapper {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background-color: var(--bg-base);
  border: 1px solid var(--border-muted);
  border-radius: var(--radius-sm);
  color: var(--accent);
  margin-bottom: 1.25rem;
}

.card-title {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
}

.card-desc {
  color: var(--text-muted);
  font-size: 0.9375rem;
  line-height: 1.5;
  margin-bottom: 1.25rem;
  flex-grow: 1;
}

.card-command {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--text-dim);
  background-color: var(--bg-base);
  padding: 0.4rem 0.6rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-muted);
}

/* 8. Section Store (8 Rank In-Game Valnex & Billing Switcher) */
.store-section {
  padding: 4.5rem 0;
  border-bottom: 1px solid var(--border-muted);
}

.billing-switcher-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  margin-bottom: 2.5rem;
}

.billing-switcher {
  display: inline-flex;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-muted);
  border-radius: var(--radius-sm);
  padding: 4px;
  gap: 4px;
}

.billing-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  font-family: var(--font-display);
  font-size: 0.9375rem;
  font-weight: 600;
  padding: 0.625rem 1.25rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  min-height: 44px; /* Tap target >= 44px */
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.billing-btn.active,
.billing-btn[aria-selected="true"] {
  background-color: var(--accent);
  color: #ffffff;
}

.billing-note {
  font-size: 0.875rem;
  color: var(--text-muted);
  text-align: center;
}

/* Grid 8 Rank In-Game (Responsif 4 Kolom di Desktop) */
.ranks-grid-v2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
  margin-bottom: 2.5rem;
}

.rank-card-v2 {
  position: relative;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-muted);
  border-radius: var(--radius-md);
  padding: 1.75rem 1.25rem;
  display: flex;
  flex-direction: column;
  transition: border-color var(--transition-fast);
}

.rank-card-v2:hover {
  border-color: var(--border-active);
}

.rank-card-v2.rank-featured {
  border-color: var(--accent);
  background-color: #171a22;
}

.rank-card-v2.rank-special {
  border-color: #8b5cf6;
  background-color: #151324;
}

.rank-card-v2.rank-ultimate {
  border-color: #eab308;
  background-color: #1a1811;
}

.rank-badge-ribbon {
  position: absolute;
  top: -12px;
  right: 1rem;
  background-color: var(--accent);
  color: #ffffff;
  font-family: var(--font-display);
  font-size: 0.6875rem;
  font-weight: 700;
  padding: 0.2rem 0.5rem;
  border-radius: var(--radius-sm);
  letter-spacing: 0.05em;
}

.rank-card-v2.rank-special .rank-badge-ribbon {
  background-color: #8b5cf6;
}

.rank-card-v2.rank-ultimate .rank-badge-ribbon {
  background-color: #eab308;
  color: #0b0c0e;
}

.rank-card-top {
  display: flex;
  flex-direction: column;
  margin-bottom: 1.25rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border-muted);
}

.rank-tier-icon {
  font-size: 1.5rem;
  margin-bottom: 0.25rem;
}

.rank-title {
  font-size: 1.375rem;
  margin-bottom: 0.5rem;
}

.rank-price-box {
  display: flex;
  align-items: baseline;
  gap: 0.35rem;
}

.price-amount {
  font-family: var(--font-mono);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--accent);
}

.rank-card-v2.rank-special .price-amount {
  color: #a78bfa;
}

.rank-card-v2.rank-ultimate .price-amount {
  color: #facc15;
}

.price-period {
  font-size: 0.8125rem;
  color: var(--text-dim);
}

.rank-stats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
}

.stat-pill {
  background-color: var(--bg-base);
  border: 1px solid var(--border-muted);
  border-radius: var(--radius-sm);
  padding: 0.35rem 0.5rem;
  font-size: 0.75rem;
  font-family: var(--font-mono);
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.stat-pill.highlight-pill {
  grid-column: span 2;
  border-color: var(--accent-subtle);
  color: var(--accent);
  font-weight: 600;
}

.stat-icon {
  font-size: 0.8125rem;
}

.rank-details {
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

.details-heading {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.5rem;
}

.perks-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.perks-list li {
  font-size: 0.8125rem;
  color: var(--text-muted);
  position: relative;
  padding-left: 1rem;
  line-height: 1.4;
}

.perks-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 6px;
  width: 4px;
  height: 4px;
  background-color: var(--accent);
  border-radius: 50%;
}

.rank-cta-wrap {
  margin-top: auto;
}

/* 9. Section Aturan (Interactive Accessible Accordion) */
.rules-section {
  padding: 4.5rem 0;
  border-bottom: 1px solid var(--border-muted);
}

.accordion {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  max-width: 860px;
}

.accordion-item {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-muted);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--transition-fast);
}

.accordion-item:focus-within {
  border-color: var(--border-active);
}

.accordion-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.125rem 1.25rem;
  background: none;
  border: none;
  color: var(--text-main);
  text-align: left;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  min-height: 48px; /* Tap target >= 44px */
}

.rule-num {
  font-family: var(--font-mono);
  color: var(--accent);
  font-size: 0.875rem;
  font-weight: 700;
  flex-shrink: 0;
}

.rule-title {
  flex-grow: 1;
}

.accordion-chevron {
  color: var(--text-muted);
  transition: transform var(--transition-fast);
  flex-shrink: 0;
}

.accordion-trigger[aria-expanded="true"] .accordion-chevron {
  transform: rotate(180deg);
}

.accordion-trigger[aria-expanded="true"] {
  border-bottom: 1px solid var(--border-muted);
  background-color: var(--bg-surface-elevated);
}

.accordion-panel {
  padding: 1.25rem;
  background-color: var(--bg-base);
  color: var(--text-muted);
  font-size: 0.9375rem;
  line-height: 1.6;
}

/* 10. Section Cara Join (Accessible Tabs) */
.join-section {
  padding: 4.5rem 0;
  border-bottom: 1px solid var(--border-muted);
}

.join-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-muted);
  border-radius: var(--radius-md);
  overflow: hidden;
  max-width: 860px;
}

.tab-list {
  display: flex;
  background-color: var(--bg-base);
  border-bottom: 1px solid var(--border-muted);
}

.tab-btn {
  flex: 1;
  padding: 1rem;
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--text-muted);
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  min-height: 48px;
  transition: color var(--transition-fast), border-color var(--transition-fast), background-color var(--transition-fast);
}

.tab-btn.active,
.tab-btn[aria-selected="true"] {
  color: var(--text-main);
  border-bottom-color: var(--accent);
  background-color: var(--bg-surface);
}

.tab-panel {
  padding: 2rem;
}

.steps-list {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.step-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}

.step-index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background-color: var(--bg-base);
  border: 1px solid var(--border-muted);
  border-radius: var(--radius-sm);
  color: var(--accent);
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.875rem;
  flex-shrink: 0;
}

.step-desc {
  font-size: 0.9375rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.step-desc strong {
  color: var(--text-main);
}

.step-code-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-top: 0.5rem;
}

.step-code {
  font-family: var(--font-mono);
  background-color: var(--bg-base);
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-muted);
  color: var(--text-main);
  font-size: 0.875rem;
}

.detail-box {
  background-color: var(--bg-base);
  border: 1px solid var(--border-muted);
  border-radius: var(--radius-sm);
  padding: 1rem;
  margin-top: 0.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.detail-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.875rem;
}

.detail-label {
  color: var(--text-dim);
  min-width: 120px;
}

.detail-val {
  color: var(--text-main);
  font-family: var(--font-mono);
}

.highlight-val {
  color: var(--accent);
  font-weight: 700;
}

/* 11. Footer */
.site-footer {
  padding: 4rem 0 2rem;
  background-color: var(--bg-base);
}

.footer-main {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1.5fr;
  gap: 2.5rem;
  padding-bottom: 2.5rem;
  border-bottom: 1px solid var(--border-muted);
  margin-bottom: 2rem;
}

.footer-tagline {
  color: var(--text-muted);
  font-size: 0.875rem;
  margin-top: 0.75rem;
  max-width: 340px;
}

.footer-title {
  font-size: 0.9375rem;
  margin-bottom: 1rem;
  color: var(--text-main);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

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

.footer-list a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.875rem;
  transition: color var(--transition-fast);
}

.footer-list a:hover {
  color: var(--text-main);
}

.footer-text {
  color: var(--text-muted);
  font-size: 0.875rem;
  margin-bottom: 1rem;
}

.footer-cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.625rem;
}

.footer-bottom {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  font-size: 0.8125rem;
  color: var(--text-dim);
}

.disclaimer-text {
  max-width: 720px;
  line-height: 1.5;
}

.btn-top {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.8125rem;
  margin-top: 0.5rem;
  transition: color var(--transition-fast);
}

.btn-top:hover {
  color: var(--text-main);
}

/* 12. Responsif Mobile (R-03: Bebas Overflow & Nyaman Digunakan) */
@media (max-width: 860px) {
  .menu-toggle {
    display: block;
  }

  .primary-nav {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    width: 100%;
    background-color: var(--bg-surface);
    border-bottom: 1px solid var(--border-muted);
    flex-direction: column;
    align-items: flex-start;
    padding: 1.5rem;
    gap: 1.5rem;
  }

  .primary-nav.is-open {
    display: flex;
  }

  .nav-list {
    flex-direction: column;
    width: 100%;
    gap: 0.75rem;
  }

  .nav-link {
    display: block;
    padding: 0.5rem 0;
    font-size: 1rem;
  }

  .nav-cta {
    width: 100%;
  }

  .nav-cta .btn {
    width: 100%;
  }

  .feature-flagship {
    grid-template-columns: 1fr;
    padding: 1.5rem;
  }

  .footer-main {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

@media (max-width: 480px) {
  .hero-section {
    padding: 3rem 0 2.5rem;
  }

  .tab-btn {
    font-size: 0.875rem;
    padding: 0.75rem 0.5rem;
  }

  .tab-panel {
    padding: 1.25rem 1rem;
  }

  .detail-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.25rem;
  }

  .detail-label {
    min-width: unset;
  }

  .step-code-row {
    flex-wrap: wrap;
  }
}