/**
 * ARTSCODE Fee Calculator - Main Stylesheet
 * Modern SaaS / Fintech Design System
 * 
 * Deep Navy: #0B1220 | Navy Blue: #132238 | Turquoise: #14B8A6 | Emerald: #10B981
 * Background: #F8FAFC | White: #FFFFFF | Primary Text: #0F172A | Secondary Text: #64748B
 */

:root {
  --deep-navy: #0B1220;
  --navy-blue: #132238;
  --navy-card: #1B2B44;
  --navy-light: #243856;
  --turquoise: #14B8A6;
  --turquoise-dark: #0F766E;
  --turquoise-hover: #0D9488;
  --turquoise-subtle: #F0FDFA;
  --turquoise-border: #99F6E4;
  --emerald: #10B981;
  --emerald-dark: #047857;
  --emerald-light: #ECFDF5;
  --emerald-glow: rgba(16, 185, 129, 0.2);
  --bg-page: #F8FAFC;
  --white: #FFFFFF;
  --text-primary: #0F172A;
  --text-secondary: #64748B;
  --text-muted: #94A3B8;
  --border-color: #E2E8F0;
  --border-focus: #14B8A6;
  --danger: #EF4444;
  --danger-light: #FEF2F2;
  --amber: #F59E0B;
  --amber-light: #FEF3C7;

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --radius-full: 9999px;

  --shadow-xs: 0 1px 2px rgba(11, 18, 32, 0.04);
  --shadow-sm: 0 2px 6px rgba(11, 18, 32, 0.05);
  --shadow-md: 0 8px 20px -3px rgba(11, 18, 32, 0.08);
  --shadow-lg: 0 16px 36px -6px rgba(11, 18, 32, 0.12);
  --shadow-turquoise: 0 6px 20px rgba(20, 184, 166, 0.25);
  --shadow-emerald: 0 6px 20px rgba(16, 185, 129, 0.25);

  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  --container-max: 1280px;
}

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

html {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.5;
  color: var(--text-primary);
  background-color: var(--bg-page);
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
}

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

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

button, input, select {
  font: inherit;
  color: inherit;
}

/* TYPOGRAPHY HELPERS */
.text-turquoise { color: var(--turquoise); }
.text-emerald { color: var(--emerald); }
.text-secondary { color: var(--text-secondary); }
.text-navy { color: var(--deep-navy); }
.font-bold { font-weight: 700; }
.font-semibold { font-weight: 600; }

/* CONTAINER */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.25rem;
  padding-right: 1.25rem;
}

@media (min-width: 768px) {
  .container {
    padding-left: 2rem;
    padding-right: 2rem;
  }
}

/* ==========================================================================
   HEADER & NAVBAR
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  transition: all var(--transition-normal);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4.5rem;
}

.brand-wrapper {
  display: flex;
  align-items: center;
  gap: 0.875rem;
  text-decoration: none;
}

.brand-logo-img {
  height: 38px;
  width: auto;
  object-fit: contain;
}

.brand-wordmark-fallback {
  display: flex;
  flex-direction: column;
}

.brand-name-main {
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--deep-navy);
  line-height: 1.1;
}

.brand-highlight {
  color: var(--turquoise);
}

.brand-program-label {
  font-size: 0.725rem;
  font-weight: 600;
  color: var(--text-secondary);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

/* DESKTOP NAV */
.main-nav {
  display: none;
  align-items: center;
  gap: 1.75rem;
}

.nav-link {
  font-size: 0.925rem;
  font-weight: 600;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
  padding: 0.5rem 0.25rem;
  position: relative;
}

.nav-link:hover {
  color: var(--deep-navy);
}

.nav-link.active {
  color: var(--turquoise);
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background-color: var(--turquoise);
  border-radius: 2px;
}

.btn-nkasir-home {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.55rem 1.1rem;
  background-color: var(--deep-navy);
  color: var(--white);
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  transition: all var(--transition-fast);
  border: 1px solid var(--deep-navy);
}

.btn-nkasir-home:hover {
  background-color: var(--navy-blue);
  box-shadow: var(--shadow-sm);
  transform: translateY(-1px);
}

/* MOBILE NAV TOGGLE */
.mobile-nav-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background: transparent;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--deep-navy);
  cursor: pointer;
  transition: background var(--transition-fast);
}

.mobile-nav-toggle:hover {
  background-color: var(--bg-page);
}

.mobile-drawer {
  display: none;
  position: fixed;
  top: 4.5rem;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(11, 18, 32, 0.4);
  backdrop-filter: blur(4px);
  z-index: 49;
}

.mobile-drawer.open {
  display: block;
}

.mobile-drawer-content {
  background: var(--white);
  padding: 1.5rem;
  border-bottom: 1px solid var(--border-color);
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.mobile-drawer-link {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  padding: 0.75rem 0.5rem;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.mobile-drawer-link:hover {
  background-color: var(--bg-page);
  color: var(--turquoise);
}

@media (min-width: 1024px) {
  .main-nav {
    display: flex;
  }
  .mobile-nav-toggle {
    display: none;
  }
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */
.hero-section {
  padding: 3rem 0 2rem;
  background: radial-gradient(circle at top right, rgba(20, 184, 166, 0.08) 0%, transparent 60%),
              radial-gradient(circle at bottom left, rgba(16, 185, 129, 0.05) 0%, transparent 50%),
              var(--white);
  border-bottom: 1px solid var(--border-color);
  position: relative;
}

.hero-inner {
  text-align: center;
  max-width: 820px;
  margin: 0 auto;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.95rem;
  background-color: var(--turquoise-subtle);
  border: 1px solid var(--turquoise-border);
  color: var(--turquoise-dark);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-radius: var(--radius-full);
  margin-bottom: 1.25rem;
}

.hero-badge-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background-color: var(--turquoise);
  animation: pulseDot 2s infinite ease-in-out;
}

@keyframes pulseDot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.3); }
}

.hero-title {
  font-size: 2rem;
  font-weight: 800;
  color: var(--deep-navy);
  letter-spacing: -0.03em;
  line-height: 1.2;
  margin-bottom: 1rem;
}

@media (min-width: 768px) {
  .hero-title {
    font-size: 2.75rem;
  }
}

.hero-subtitle {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 1.75rem;
}

.hero-stats-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1.25rem 2.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border-color);
}

.hero-stat-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.hero-stat-icon {
  width: 18px;
  height: 18px;
  color: var(--turquoise);
}

/* ==========================================================================
   APP MAIN WORKSPACE & GRID LAYOUT
   ========================================================================== */
.app-section {
  padding: 2.5rem 0 4rem;
}

.calculator-grid {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

@media (min-width: 1024px) {
  .calculator-grid {
    display: grid;
    grid-template-columns: 1.45fr 1fr;
    gap: 2.5rem;
    align-items: start;
  }
}

/* COMMON CARD STYLES */
.app-card {
  background: var(--white);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-sm);
  padding: 1.5rem;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

@media (min-width: 768px) {
  .app-card {
    padding: 1.85rem;
  }
}

.app-card:hover {
  border-color: #CBD5E1;
  box-shadow: var(--shadow-md);
}

.card-header-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
  padding-bottom: 0.875rem;
  border-bottom: 1px solid var(--border-color);
}

.card-step-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background-color: var(--deep-navy);
  color: var(--white);
  font-size: 0.8rem;
  font-weight: 700;
  margin-right: 0.65rem;
}

.card-title-wrap {
  display: flex;
  align-items: center;
}

.card-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--deep-navy);
  letter-spacing: -0.01em;
}

.card-subtitle {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-top: 0.2rem;
}

/* ==========================================================================
   STEP 1: PAKET WEBSITE SELECTION
   ========================================================================== */
.package-selector-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.75rem;
}

@media (min-width: 640px) {
  .package-selector-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

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

.package-option-btn {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  text-align: left;
  padding: 1.1rem;
  background: var(--bg-page);
  border: 1.5px solid var(--border-color);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  width: 100%;
  min-height: 44px;
  position: relative;
}

.package-option-btn:hover {
  background: var(--white);
  border-color: var(--turquoise);
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

.package-option-btn.active {
  background: var(--white);
  border-color: var(--turquoise);
  box-shadow: 0 0 0 1.5px var(--turquoise), var(--shadow-sm);
}

.pkg-header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  margin-bottom: 0.4rem;
}

.pkg-name {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--deep-navy);
  line-height: 1.3;
}

.pkg-price-tag {
  font-size: 1rem;
  font-weight: 800;
  color: var(--turquoise-dark);
}

.pkg-desc {
  font-size: 0.8rem;
  color: var(--text-secondary);
  line-height: 1.45;
  margin-bottom: 0.6rem;
}

.pkg-badge {
  font-size: 0.7rem;
  font-weight: 600;
  padding: 0.2rem 0.55rem;
  border-radius: var(--radius-full);
  background-color: #E2E8F0;
  color: #475569;
}

.package-option-btn.active .pkg-badge {
  background-color: var(--turquoise-subtle);
  color: var(--turquoise-dark);
}

/* Custom full-width package card */
.package-option-btn.pkg-custom-full {
  grid-column: 1 / -1;
  background: linear-gradient(to right, #F8FAFC, #F1F5F9);
}

/* Selected Package Highlight Box */
.selected-pkg-summary-box {
  margin-top: 1rem;
  padding: 0.9rem 1.1rem;
  background: var(--turquoise-subtle);
  border: 1px dashed var(--turquoise-border);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.selected-pkg-features {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 0.8rem;
  font-size: 0.8rem;
  color: #0F766E;
  font-weight: 500;
}

.selected-pkg-feat-item {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

/* ==========================================================================
   STEP 2: HARGA JUAL WEBSITE & DISKON
   ========================================================================== */
.form-group {
  margin-bottom: 1.25rem;
}

.form-label {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--deep-navy);
  margin-bottom: 0.45rem;
}

.form-label-helper {
  font-size: 0.785rem;
  color: var(--text-secondary);
  font-weight: 400;
  margin-left: 0.35rem;
}

.input-currency-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.input-prefix {
  position: absolute;
  left: 1rem;
  font-weight: 700;
  font-size: 1rem;
  color: var(--text-secondary);
  pointer-events: none;
  user-select: none;
}

.form-control {
  width: 100%;
  height: 52px;
  padding: 0.75rem 1rem 0.75rem 3.1rem;
  background: var(--white);
  border: 1.5px solid var(--border-color);
  border-radius: var(--radius-md);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--deep-navy);
  letter-spacing: -0.01em;
  transition: all var(--transition-fast);
}

.form-control:focus {
  outline: none;
  border-color: var(--turquoise);
  box-shadow: 0 0 0 3px rgba(20, 184, 166, 0.15);
}

.form-control.input-error {
  border-color: var(--danger);
  background-color: var(--danger-light);
}

.form-error-msg {
  display: none;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.8rem;
  color: var(--danger);
  margin-top: 0.4rem;
  font-weight: 500;
}

.form-error-msg.visible {
  display: flex;
}

.quick-preset-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.6rem;
}

.preset-chip {
  background: var(--bg-page);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  padding: 0.35rem 0.75rem;
  font-size: 0.785rem;
  font-weight: 600;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
  min-height: 32px;
}

.preset-chip:hover {
  border-color: var(--turquoise);
  color: var(--turquoise-dark);
  background: var(--white);
}

.reset-price-link {
  font-size: 0.8rem;
  color: var(--turquoise-hover);
  font-weight: 600;
  cursor: pointer;
  text-decoration: underline;
  margin-top: 0.4rem;
  display: inline-block;
}

/* ==========================================================================
   STEP 3: 4 INTERACTIVE MARKETING TYPE CARDS
   ========================================================================== */
.marketing-cards-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

@media (min-width: 640px) {
  .marketing-cards-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.mkt-card {
  position: relative;
  background: var(--white);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  cursor: pointer;
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.mkt-card:hover {
  border-color: var(--turquoise);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.mkt-card.active {
  border-color: var(--turquoise);
  background: #FFFFFF;
  box-shadow: 0 0 0 1.5px var(--turquoise), var(--shadow-turquoise);
}

.mkt-card-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 0.85rem;
}

.mkt-card-badge {
  font-size: 0.685rem;
  font-weight: 700;
  padding: 0.25rem 0.6rem;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  background-color: var(--bg-page);
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
}

.mkt-card.active .mkt-card-badge {
  background-color: var(--turquoise-subtle);
  color: var(--turquoise-dark);
  border-color: var(--turquoise-border);
}

.mkt-card-badge.badge-default {
  background-color: #FEF3C7;
  color: #B45309;
  border-color: #FDE68A;
}

.mkt-card.active .mkt-card-badge.badge-default {
  background-color: var(--turquoise-subtle);
  color: var(--turquoise-dark);
  border-color: var(--turquoise-border);
}

.mkt-radio-indicator {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  border: 2px solid #CBD5E1;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
  background: var(--white);
  flex-shrink: 0;
}

.mkt-card.active .mkt-radio-indicator {
  border-color: var(--turquoise);
  background-color: var(--turquoise);
}

.mkt-radio-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--white);
  opacity: 0;
  transform: scale(0.5);
  transition: all var(--transition-fast);
}

.mkt-card.active .mkt-radio-dot {
  opacity: 1;
  transform: scale(1);
}

.mkt-name {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--deep-navy);
  margin-bottom: 0.2rem;
}

.mkt-rate-badge {
  display: inline-block;
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--turquoise-dark);
  margin-bottom: 0.65rem;
}

.mkt-desc {
  font-size: 0.825rem;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: 0.85rem;
}

.mkt-tasks-title {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: #475569;
  margin-bottom: 0.4rem;
}

.mkt-tasks-list {
  list-style: none;
  font-size: 0.775rem;
  color: var(--text-secondary);
  line-height: 1.45;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.mkt-task-item {
  position: relative;
  padding-left: 1.15rem;
}

.mkt-task-item::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--turquoise);
  font-weight: 700;
  font-size: 0.85rem;
}

/* CUSTOM RATE INPUT BOX */
.custom-rate-box {
  display: none;
  margin-top: 1.25rem;
  padding: 1.25rem;
  background: #FFFBEB;
  border: 1.5px solid #FDE68A;
  border-radius: var(--radius-md);
  animation: fadeIn 0.25s ease-in-out;
}

.custom-rate-box.visible {
  display: block;
}

.custom-rate-inner {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

@media (min-width: 640px) {
  .custom-rate-inner {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

.custom-rate-input-wrap {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.input-custom-percent {
  width: 120px;
  height: 44px;
  padding: 0.5rem 0.75rem;
  font-size: 1.15rem;
  font-weight: 700;
  text-align: center;
  border: 1.5px solid #F59E0B;
  border-radius: var(--radius-sm);
  background: var(--white);
  color: var(--deep-navy);
}

.custom-notice-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.785rem;
  font-weight: 700;
  color: #B45309;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(-5px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ==========================================================================
   RIGHT COLUMN: RESULT PANEL & SIMULATION
   ========================================================================== */
.results-column {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

@media (min-width: 1024px) {
  .results-column {
    position: sticky;
    top: 5.5rem;
  }
}

/* MAIN ESTIMATE CARD */
.estimate-card {
  background: linear-gradient(145deg, var(--deep-navy) 0%, var(--navy-blue) 100%);
  color: var(--white);
  border-radius: var(--radius-xl);
  padding: 1.75rem;
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(255, 255, 255, 0.08);
  position: relative;
  overflow: hidden;
}

.estimate-card::before {
  content: '';
  position: absolute;
  top: -50px;
  right: -50px;
  width: 180px;
  height: 180px;
  background: radial-gradient(circle, rgba(20, 184, 166, 0.25) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.est-header-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--turquoise);
  margin-bottom: 0.75rem;
}

.est-title {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: #E2E8F0;
  margin-bottom: 0.25rem;
}

.est-amount-display {
  font-size: 2.5rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--emerald);
  line-height: 1.1;
  margin: 0.85rem 0 0.5rem;
  text-shadow: 0 2px 10px rgba(16, 185, 129, 0.3);
  font-variant-numeric: tabular-nums;
  transition: color var(--transition-fast);
}

@media (min-width: 480px) {
  .est-amount-display {
    font-size: 2.85rem;
  }
}

.est-subtext {
  font-size: 0.825rem;
  color: #94A3B8;
  margin-bottom: 1.25rem;
}

/* PROGRESS BAR */
.est-progress-container {
  margin-bottom: 1.5rem;
  padding: 0.85rem 1rem;
  background: rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.est-progress-labels {
  display: flex;
  justify-content: space-between;
  font-size: 0.75rem;
  font-weight: 600;
  color: #CBD5E1;
  margin-bottom: 0.5rem;
}

.est-progress-track {
  width: 100%;
  height: 8px;
  background: rgba(255, 255, 255, 0.15);
  border-radius: 4px;
  overflow: hidden;
}

.est-progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--turquoise) 0%, var(--emerald) 100%);
  border-radius: 4px;
  width: 10%;
  transition: width 0.4s ease;
}

/* BREAKDOWN TABLE */
.est-breakdown {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.breakdown-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
}

.breakdown-label {
  color: #94A3B8;
}

.breakdown-value {
  color: var(--white);
  font-weight: 600;
  text-align: right;
}

.breakdown-row.highlight-net {
  padding-top: 0.5rem;
  border-top: 1px dashed rgba(255, 255, 255, 0.15);
}

.breakdown-row.highlight-net .breakdown-value {
  color: var(--turquoise);
  font-size: 0.95rem;
}

/* ==========================================================================
   MONTHLY PROJECTION CARD
   ========================================================================== */
.monthly-card {
  background: var(--white);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
}

.monthly-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.monthly-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--deep-navy);
}

.monthly-stepper {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.btn-stepper {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid var(--border-color);
  background: var(--bg-page);
  color: var(--deep-navy);
  font-size: 1.1rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-stepper:hover {
  background: var(--turquoise);
  color: var(--white);
  border-color: var(--turquoise);
}

.input-qty {
  width: 50px;
  height: 36px;
  text-align: center;
  font-size: 1rem;
  font-weight: 700;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  background: var(--white);
}

.monthly-slider-wrap {
  margin: 1rem 0;
}

.slider-range {
  width: 100%;
  accent-color: var(--turquoise);
  cursor: pointer;
}

.quick-qty-pills {
  display: flex;
  justify-content: space-between;
  gap: 0.25rem;
  margin-top: 0.5rem;
}

.qty-pill {
  padding: 0.25rem 0.5rem;
  font-size: 0.75rem;
  font-weight: 600;
  background: var(--bg-page);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.qty-pill:hover, .qty-pill.active {
  background: var(--deep-navy);
  color: var(--white);
  border-color: var(--deep-navy);
}

.monthly-result-box {
  margin-top: 1.25rem;
  padding: 1.15rem;
  background: var(--emerald-light);
  border: 1px solid rgba(16, 185, 129, 0.3);
  border-radius: var(--radius-lg);
  text-align: center;
}

.monthly-result-label {
  font-size: 0.785rem;
  font-weight: 700;
  color: var(--emerald-dark);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.25rem;
}

.monthly-result-amount {
  font-size: 1.85rem;
  font-weight: 800;
  color: #065F46;
  line-height: 1.2;
}

.monthly-disclaimer {
  font-size: 0.75rem;
  color: var(--text-secondary);
  font-style: italic;
  margin-top: 0.65rem;
  line-height: 1.4;
  text-align: center;
}

/* ==========================================================================
   ACTION BUTTONS
   ========================================================================== */
.actions-card {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.75rem;
}

@media (min-width: 480px) {
  .actions-card {
    grid-template-columns: repeat(2, 1fr);
  }
}

.btn-action {
  min-height: 48px;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  cursor: pointer;
  transition: all var(--transition-fast);
  border: none;
  text-align: center;
}

.btn-action svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.btn-wa-share {
  background-color: #25D366;
  color: var(--white);
  box-shadow: 0 4px 12px rgba(37, 211, 102, 0.25);
}

.btn-wa-share:hover {
  background-color: #1EBE5D;
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(37, 211, 102, 0.35);
}

.btn-copy {
  background-color: var(--turquoise);
  color: var(--white);
  box-shadow: var(--shadow-turquoise);
}

.btn-copy:hover {
  background-color: var(--turquoise-hover);
  transform: translateY(-2px);
}

.btn-print {
  background-color: var(--deep-navy);
  color: var(--white);
}

.btn-print:hover {
  background-color: var(--navy-blue);
  transform: translateY(-2px);
}

.btn-reset {
  background-color: var(--bg-page);
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
}

.btn-reset:hover {
  background-color: #E2E8F0;
  color: var(--deep-navy);
}

/* ==========================================================================
   SECTION: CARA KERJA (TIMELINE UI)
   ========================================================================== */
.workflow-section {
  padding: 4.5rem 0;
  background: var(--white);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 3rem;
}

.section-tag {
  display: inline-block;
  font-size: 0.785rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--turquoise);
  margin-bottom: 0.5rem;
}

.section-title {
  font-size: 1.85rem;
  font-weight: 800;
  color: var(--deep-navy);
  letter-spacing: -0.02em;
  margin-bottom: 0.75rem;
}

.section-subtitle {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.workflow-timeline {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  position: relative;
}

@media (min-width: 768px) {
  .workflow-timeline {
    grid-template-columns: repeat(4, 1fr);
    gap: 1.25rem;
  }
}

.workflow-card {
  background: var(--bg-page);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  position: relative;
  transition: all var(--transition-fast);
  display: flex;
  flex-direction: column;
}

.workflow-card:hover {
  background: var(--white);
  border-color: var(--turquoise);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.workflow-step-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: var(--deep-navy);
  color: var(--turquoise);
  font-size: 1.1rem;
  font-weight: 800;
  margin-bottom: 1rem;
}

.workflow-card-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--deep-navy);
  margin-bottom: 0.5rem;
}

.workflow-card-desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.55;
}

/* ==========================================================================
   SECTION: FAQ / ACCORDION KETENTUAN (10 POINTS)
   ========================================================================== */
.terms-section {
  padding: 4.5rem 0;
  background: var(--bg-page);
}

.faq-accordion {
  max-width: 860px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

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

.accordion-item:hover {
  border-color: #CBD5E1;
}

.accordion-item.active {
  border-color: var(--turquoise);
  box-shadow: var(--shadow-sm);
}

.accordion-header {
  width: 100%;
  padding: 1.15rem 1.35rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: none;
  border: none;
  text-align: left;
  cursor: pointer;
  min-height: 48px;
}

.accordion-question {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--deep-navy);
  line-height: 1.4;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.accordion-number {
  font-size: 0.785rem;
  font-weight: 800;
  color: var(--turquoise);
  background: var(--turquoise-subtle);
  padding: 0.15rem 0.5rem;
  border-radius: var(--radius-sm);
}

.accordion-icon {
  width: 20px;
  height: 20px;
  color: var(--text-secondary);
  transition: transform var(--transition-normal);
  flex-shrink: 0;
}

.accordion-item.active .accordion-icon {
  transform: rotate(180deg);
  color: var(--turquoise);
}

.accordion-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s cubic-bezier(0, 1, 0, 1);
  padding: 0 1.35rem;
}

.accordion-item.active .accordion-body {
  max-height: 500px;
  padding: 0 1.35rem 1.25rem 1.35rem;
  transition: max-height 0.3s ease-in-out;
}

.accordion-answer {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.6;
  border-top: 1px dashed var(--border-color);
  padding-top: 0.85rem;
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.site-footer {
  background-color: var(--deep-navy);
  color: #94A3B8;
  padding: 3.5rem 0 2rem;
  margin-top: auto;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-top {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  padding-bottom: 2.5rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

@media (min-width: 768px) {
  .footer-top {
    grid-template-columns: 1.5fr 1fr 1fr;
  }
}

.footer-brand-title {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--white);
  letter-spacing: -0.02em;
  margin-bottom: 0.5rem;
}

.footer-brand-sub {
  font-size: 0.875rem;
  color: #94A3B8;
  line-height: 1.5;
  margin-bottom: 1rem;
}

.footer-host-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 0.85rem;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  color: #CBD5E1;
  font-weight: 600;
}

.footer-heading {
  font-size: 0.9rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--white);
  margin-bottom: 1rem;
}

.footer-links-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  font-size: 0.875rem;
}

.footer-links-list a {
  color: #94A3B8;
  transition: color var(--transition-fast);
}

.footer-links-list a:hover {
  color: var(--turquoise);
}

.footer-disclaimer-box {
  margin-top: 2rem;
  padding: 1.25rem;
  background: rgba(0, 0, 0, 0.25);
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.05);
  font-size: 0.8rem;
  color: #64748B;
  line-height: 1.6;
}

.footer-bottom {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-top: 1.75rem;
  font-size: 0.8rem;
  color: #64748B;
}

@media (min-width: 640px) {
  .footer-bottom {
    flex-direction: row;
  }
}

/* ==========================================================================
   TOAST NOTIFICATION
   ========================================================================== */
.toast-container {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 100;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  pointer-events: none;
}

.toast {
  pointer-events: auto;
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.85rem 1.25rem;
  background: var(--deep-navy);
  color: var(--white);
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 600;
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(255, 255, 255, 0.1);
  transform: translateY(20px);
  opacity: 0;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.toast.show {
  transform: translateY(0);
  opacity: 1;
}

.toast-icon {
  width: 18px;
  height: 18px;
  color: var(--turquoise);
}

/* ==========================================================================
   ACCESSIBILITY & PREFERS-REDUCED-MOTION
   ========================================================================== */
:focus-visible {
  outline: 2px solid var(--turquoise);
  outline-offset: 2px;
}

@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;
  }
}