/* ==========================================================================
   3wVault — Twilio Segment Inspired Customer Data Vault UI
   External Stylesheet (/css/vault-front.css)
   Palette: Midnight Ink (#000D25), Indigo Slate (#191F36), Segment Mint (#36D576),
            Coral Red (#F22F46), Electric Blue (#1866EE)
   Rules: Zero Inline CSS, Zero Single-Side Borders, Clean & Rounded (16px / 32px)
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;500;600&family=Outfit:wght@500;600;700&family=Plus+Jakarta+Sans:wght@400;500;600;700&display=swap');

:root {
  /* Twilio Segment Core Palette */
  --bg-ink: #000D25;
  --bg-ink-deep: #000818;
  --bg-card: #191F36;
  --bg-card-hover: #212946;
  --bg-card-alt: #12182B;
  --bg-input: #0D1428;

  /* Text Colors */
  --text-white: #FFFFFF;
  --text-body: #CACDD8;
  --text-muted: #9AA0B4;

  /* Brand & Semantic Accents */
  --accent-red: #F22F46;
  --accent-red-hover: #D91E36;
  --accent-blue: #1866EE;
  --accent-blue-light: #66B3FF;
  --accent-mint: #36D576;
  --accent-mint-soft: rgba(54, 213, 118, 0.14);
  --accent-red-soft: rgba(242, 47, 70, 0.14);
  --accent-blue-soft: rgba(24, 102, 238, 0.16);

  /* Borders & Elevations (Full perimeter only) */
  --border-subtle: rgba(202, 205, 216, 0.12);
  --border-card: rgba(202, 205, 216, 0.16);
  --border-mint: rgba(54, 213, 118, 0.4);
  --shadow-card: 0 20px 45px -15px rgba(0, 5, 18, 0.55);

  /* Radii (Twilio .radius--1 = 16px, .radius--2 = 32px) */
  --radius-1: 16px;
  --radius-2: 32px;
  --radius-pill: 9999px;

  /* Fonts */
  --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  background-color: var(--bg-ink);
  color: var(--text-white);
  -webkit-font-smoothing: antialiased;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-ink);
  color: var(--text-white);
  line-height: 1.6;
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.18s ease, opacity 0.18s ease, transform 0.18s ease;
}

ul {
  list-style: none;
}

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

button,
input,
select {
  font: inherit;
  color: inherit;
  background: none;
  border: none;
}

button {
  cursor: pointer;
}

.is-hidden {
  display: none !important;
}

.container {
  width: 100%;
  max-width: 1220px;
  margin: 0 auto;
  padding: 0 24px;
}

/* --------------------------------------------------------------------------
   2. Top Utility Bar & Main Navigation (Twilio Segment Header Style)
   -------------------------------------------------------------------------- */
.utility-bar {
  background-color: var(--bg-ink-deep);
  border-bottom: 1px solid var(--border-subtle);
  font-size: 0.82rem;
  color: var(--text-muted);
}

.utility-inner {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 24px;
  height: 40px;
}

.utility-item {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--text-muted);
}

.utility-item:hover {
  color: var(--text-white);
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--accent-mint);
  box-shadow: 0 0 10px var(--accent-mint);
}

.lang-switch {
  display: inline-flex;
  align-items: center;
  background-color: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-pill);
  padding: 2px;
}

.lang-btn {
  padding: 2px 10px;
  border-radius: var(--radius-pill);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-muted);
  transition: all 0.18s ease;
}

.lang-btn.active {
  background-color: var(--accent-blue);
  color: var(--text-white);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: rgba(0, 13, 37, 0.92);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
  gap: 24px;
}

.brand-logo {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-white);
}

.brand-mark {
  width: 38px;
  height: 38px;
  border-radius: 11px;
  background: linear-gradient(135deg, var(--accent-red) 0%, #FF5E6C 100%);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--text-white);
}

.brand-divider {
  color: var(--text-muted);
  font-weight: 400;
  margin: 0 2px;
}

.brand-sub {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--accent-mint);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-link {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-body);
}

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

.header-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

/* --------------------------------------------------------------------------
   3. Buttons & Outbound Arrow Links (Twilio Style)
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 13px 24px;
  border-radius: var(--radius-pill);
  font-weight: 600;
  font-size: 0.95rem;
  transition: all 0.2s ease;
  white-space: nowrap;
}

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

.btn-primary:hover {
  background-color: var(--accent-red-hover);
  transform: translateY(-1px);
}

.btn-secondary {
  background-color: transparent;
  color: var(--text-white);
  border: 1.5px solid var(--text-white);
}

.btn-secondary:hover {
  background-color: rgba(255, 255, 255, 0.1);
  transform: translateY(-1px);
}

.btn-blue {
  background-color: var(--accent-blue);
  color: var(--text-white);
}

.btn-blue:hover {
  background-color: #1354C8;
  transform: translateY(-1px);
}

.btn-sm {
  padding: 9px 18px;
  font-size: 0.88rem;
}

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  font-size: 0.96rem;
  color: var(--text-white);
}

.link-arrow svg {
  width: 15px;
  height: 15px;
  stroke: var(--accent-red);
  transition: transform 0.2s ease;
}

.link-arrow:hover {
  color: var(--accent-blue-light);
}

.link-arrow:hover svg {
  transform: translate(3px, -3px);
}

/* --------------------------------------------------------------------------
   4. Section 1: 50/50 Split Hero (Segment + Twilio Layout)
   -------------------------------------------------------------------------- */
.hero-section {
  padding: 76px 0 64px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  align-items: center;
  gap: 56px;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  background-color: var(--bg-card);
  border: 1px solid var(--border-card);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent-mint);
  margin-bottom: 22px;
}

.hero-title {
  font-family: var(--font-heading);
  font-size: clamp(2.4rem, 4.2vw, 3.6rem);
  line-height: 1.12;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-white);
  margin-bottom: 24px;
}

.hero-lead {
  font-size: 1.18rem;
  line-height: 1.65;
  color: var(--text-body);
  margin-bottom: 34px;
  max-width: 58ch;
}

.hero-cta-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 24px;
}

/* Hero Visual Illustration Card (Interlocking Puzzle / Flow Graphic) */
.hero-visual-wrap {
  background: radial-gradient(circle at 50% 40%, rgba(24, 102, 238, 0.22), transparent 70%);
  padding: 12px;
}

.hero-diagram-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-2);
  padding: 32px;
  box-shadow: var(--shadow-card);
}

.puzzle-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.puzzle-tile {
  background-color: var(--bg-card-alt);
  border: 1px solid var(--border-subtle);
  border-radius: 20px;
  padding: 22px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.puzzle-tile-highlight {
  background: linear-gradient(145deg, rgba(54, 213, 118, 0.14) 0%, rgba(24, 102, 238, 0.14) 100%);
  border-color: var(--border-mint);
}

.puzzle-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.puzzle-icon-red {
  background-color: var(--accent-red-soft);
  color: var(--accent-red);
}

.puzzle-icon-mint {
  background-color: var(--accent-mint-soft);
  color: var(--accent-mint);
}

.puzzle-icon-blue {
  background-color: var(--accent-blue-soft);
  color: var(--accent-blue-light);
}

.puzzle-label {
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
}

.puzzle-value {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-white);
}

.puzzle-mono {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--accent-mint);
  background-color: rgba(0, 13, 37, 0.65);
  padding: 6px 10px;
  border-radius: 8px;
  word-break: break-all;
}

/* --------------------------------------------------------------------------
   5. Section 2: Offset 40/60 Banner Card ("Same CDP, new home base")
   -------------------------------------------------------------------------- */
.banner-section {
  padding: 24px 0 72px;
}

.offset-banner {
  background-color: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-2);
  padding: 52px 56px;
  display: grid;
  grid-template-columns: 0.42fr 0.58fr;
  align-items: center;
  gap: 48px;
}

.offset-banner h2 {
  font-family: var(--font-heading);
  font-size: clamp(1.85rem, 3vw, 2.45rem);
  line-height: 1.18;
  font-weight: 700;
  color: var(--text-white);
}

.offset-banner-right p {
  font-size: 1.08rem;
  color: var(--text-body);
  margin-bottom: 24px;
  line-height: 1.65;
}

/* --------------------------------------------------------------------------
   6. Section 3: Centered Heading + 2 Product Pipeline Cards
   -------------------------------------------------------------------------- */
.solutions-section {
  padding: 56px 0 80px;
}

.section-header-center {
  text-align: center;
  max-width: 780px;
  margin: 0 auto 48px;
}

.section-header-center h2 {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 3.4vw, 2.75rem);
  line-height: 1.16;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--text-white);
}

.section-header-center p {
  font-size: 1.08rem;
  color: var(--text-body);
  line-height: 1.65;
}

.two-cards-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  margin-bottom: 40px;
}

.product-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-1);
  padding: 36px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: transform 0.22s ease, border-color 0.22s ease;
}

.product-card:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 255, 255, 0.28);
}

/* Visual Diagram inside each Product Card */
.diagram-box {
  background-color: var(--bg-ink);
  border: 1px solid var(--border-subtle);
  border-radius: 14px;
  padding: 24px 20px;
  margin-bottom: 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.diagram-col {
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex: 1;
}

.diagram-node {
  background-color: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: 10px;
  padding: 8px 12px;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-body);
  text-align: center;
}

.diagram-hub {
  background: linear-gradient(135deg, var(--accent-blue) 0%, #0E3E92 100%);
  border: 2px solid var(--accent-blue-light);
  border-radius: 16px;
  padding: 16px 18px;
  text-align: center;
  min-width: 128px;
  box-shadow: 0 10px 25px rgba(24, 102, 238, 0.35);
}

.diagram-hub-mint {
  background: linear-gradient(135deg, #0E7C3A 0%, #094D24 100%);
  border-color: var(--accent-mint);
  box-shadow: 0 10px 25px rgba(54, 213, 118, 0.25);
}

.diagram-hub-title {
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-white);
}

.diagram-hub-sub {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--accent-mint);
  margin-top: 4px;
}

.diagram-arrow {
  color: var(--text-muted);
  font-weight: 700;
  font-size: 1.1rem;
}

.chip {
  display: inline-block;
  align-self: flex-start;
  padding: 5px 13px;
  border-radius: var(--radius-pill);
  background-color: rgba(24, 102, 238, 0.2);
  border: 1px solid rgba(102, 179, 255, 0.35);
  color: var(--accent-blue-light);
  font-size: 0.78rem;
  font-weight: 700;
  margin-bottom: 16px;
}

.chip-mint {
  background-color: var(--accent-mint-soft);
  border-color: var(--border-mint);
  color: var(--accent-mint);
}

.product-card h3 {
  font-family: var(--font-heading);
  font-size: 1.45rem;
  font-weight: 700;
  color: var(--text-white);
  margin-bottom: 12px;
}

.product-card p {
  font-size: 0.98rem;
  color: var(--text-body);
  line-height: 1.65;
  margin-bottom: 24px;
}

.card-links-row {
  display: flex;
  align-items: center;
  gap: 28px;
  padding-top: 8px;
}

.center-cta-wrap {
  text-align: center;
}

/* --------------------------------------------------------------------------
   7. Section 4: Simple Before vs After Breach Comparison
   -------------------------------------------------------------------------- */
.comparison-section {
  padding: 64px 0;
}

.comparison-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}

.compare-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-1);
  padding: 34px;
}

.compare-card-protected {
  border-color: var(--border-mint);
}

.compare-badge {
  display: inline-block;
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  font-size: 0.76rem;
  font-weight: 700;
  text-transform: uppercase;
  margin-bottom: 14px;
}

.compare-badge-bad {
  background-color: var(--accent-red-soft);
  color: var(--accent-red);
}

.compare-badge-good {
  background-color: var(--accent-mint-soft);
  color: var(--accent-mint);
}

.compare-card h3 {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  margin-bottom: 10px;
}

.compare-card p {
  color: var(--text-body);
  font-size: 0.95rem;
  margin-bottom: 20px;
}

.sql-preview-box {
  background-color: var(--bg-ink);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  padding: 16px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  line-height: 1.7;
  color: var(--text-body);
  margin-bottom: 18px;
  overflow-x: auto;
}

.sql-exposed {
  color: #FF808B;
}

.sql-safe {
  color: var(--accent-mint);
}

.compare-outcome {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-white);
}

/* --------------------------------------------------------------------------
   8. Section 5: 5-Second Live Interactive Demo (#sandbox)
   -------------------------------------------------------------------------- */
.sandbox-section {
  padding: 64px 0;
}

.sandbox-container {
  background-color: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-2);
  padding: 44px;
}

.sandbox-split {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 36px;
  align-items: start;
}

.sandbox-form-pane {
  background-color: var(--bg-ink);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-1);
  padding: 28px;
}

.field-group {
  margin-bottom: 16px;
}

.field-label {
  display: block;
  font-size: 0.84rem;
  font-weight: 600;
  color: var(--text-body);
  margin-bottom: 6px;
}

.field-input {
  width: 100%;
  padding: 11px 14px;
  border-radius: 10px;
  background-color: var(--bg-card);
  border: 1px solid var(--border-card);
  color: var(--text-white);
  font-size: 0.94rem;
}

.field-input:focus {
  outline: none;
  border-color: var(--accent-blue-light);
}

.sandbox-btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 20px;
}

.sandbox-result-pane {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.result-card {
  background-color: var(--bg-ink);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-1);
  padding: 24px;
}

.result-card-mint {
  border-color: var(--border-mint);
}

.result-card-title {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--accent-mint);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 12px;
}

.result-row {
  margin-bottom: 12px;
}

.result-row:last-child {
  margin-bottom: 0;
}

.result-key {
  display: block;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 4px;
}

.result-mono {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.84rem;
  color: var(--text-white);
  background-color: var(--bg-card);
  padding: 10px 12px;
  border-radius: 8px;
  word-break: break-all;
}

.result-mono-token {
  color: var(--accent-mint);
  font-weight: 600;
  font-size: 0.95rem;
}

.breach-banner {
  background-color: rgba(54, 213, 118, 0.12);
  border: 1px solid var(--border-mint);
  border-radius: 12px;
  padding: 16px 20px;
}

.breach-banner h4 {
  color: var(--accent-mint);
  font-size: 0.98rem;
  margin-bottom: 4px;
}

.breach-banner p {
  font-size: 0.88rem;
  color: var(--text-body);
}

/* --------------------------------------------------------------------------
   9. Section 6: Simple Transparent Pricing (#pricing)
   -------------------------------------------------------------------------- */
.pricing-section {
  padding: 64px 0;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.pricing-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-1);
  padding: 36px 30px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.pricing-card-featured {
  background: linear-gradient(160deg, #1E294B 0%, #191F36 100%);
  border-color: var(--accent-blue-light);
  box-shadow: 0 24px 50px -12px rgba(24, 102, 238, 0.3);
}

.pricing-price-row {
  display: flex;
  align-items: baseline;
  gap: 6px;
  margin: 16px 0 6px;
}

.pricing-amount {
  font-family: var(--font-heading);
  font-size: 2.75rem;
  font-weight: 700;
  color: var(--text-white);
  line-height: 1;
}

.pricing-period {
  font-size: 0.92rem;
  color: var(--text-muted);
}

.pricing-setup {
  font-size: 0.84rem;
  color: var(--accent-mint);
  margin-bottom: 16px;
}

.pricing-desc {
  font-size: 0.94rem;
  color: var(--text-body);
  margin-bottom: 22px;
}

.pricing-features {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 28px;
}

.pricing-features li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.92rem;
  color: var(--text-body);
}

.check-dot {
  color: var(--accent-mint);
  font-weight: 700;
}

.tax-note {
  text-align: center;
  margin-top: 24px;
  font-size: 0.86rem;
  color: var(--text-muted);
}

/* --------------------------------------------------------------------------
   10. Section 7: 3x2 Resources Grid ("Resources to learn, build, or troubleshoot")
   -------------------------------------------------------------------------- */
.resources-section {
  padding: 64px 0 88px;
}

.resources-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.resource-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-1);
  padding: 28px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: transform 0.2s ease, background-color 0.2s ease, border-color 0.2s ease;
}

.resource-card:hover {
  background-color: var(--bg-card-hover);
  border-color: rgba(255, 255, 255, 0.28);
  transform: translateY(-3px);
}

.resource-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}

.resource-card h3 {
  font-family: var(--font-heading);
  font-size: 1.18rem;
  font-weight: 700;
  color: var(--text-white);
}

.resource-card p {
  font-size: 0.92rem;
  color: var(--text-body);
  line-height: 1.6;
}

/* --------------------------------------------------------------------------
   11. Footer
   -------------------------------------------------------------------------- */
.site-footer {
  background-color: var(--bg-ink-deep);
  border-top: 1px solid var(--border-subtle);
  padding: 48px 0;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 24px;
}

.footer-copy {
  font-size: 0.88rem;
  color: var(--text-muted);
  max-width: 520px;
}

.footer-links {
  display: flex;
  align-items: center;
  gap: 24px;
  font-size: 0.88rem;
  color: var(--text-body);
}

/* --------------------------------------------------------------------------
   12. Onboarding Modal (#deployModal)
   -------------------------------------------------------------------------- */
.vault-modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 999;
  background-color: rgba(0, 8, 24, 0.82);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.vault-modal {
  background-color: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-2);
  width: 100%;
  max-width: 600px;
  max-height: 92vh;
  overflow-y: auto;
  padding: 36px;
  box-shadow: var(--shadow-card);
}

.vault-modal-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 20px;
}

.vault-modal-title {
  font-family: var(--font-heading);
  font-size: 1.45rem;
  font-weight: 700;
}

.vault-modal-close {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background-color: var(--bg-ink);
  color: var(--text-body);
  font-size: 1.3rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.form-grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.tax-calc-box {
  background-color: var(--bg-ink);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  padding: 16px;
  margin: 18px 0;
}

.tax-row {
  display: flex;
  justify-content: space-between;
  font-size: 0.88rem;
  color: var(--text-body);
  margin-bottom: 6px;
}

.tax-row-total {
  border-top: 1px solid var(--border-subtle);
  padding-top: 8px;
  margin-top: 8px;
  font-weight: 700;
  font-size: 1rem;
  color: var(--text-white);
}

.alert-error {
  background-color: var(--accent-red-soft);
  border: 1px solid var(--accent-red);
  color: #FFB3B8;
  padding: 12px 16px;
  border-radius: 10px;
  margin-bottom: 16px;
  font-size: 0.88rem;
}

/* --------------------------------------------------------------------------
   13. Responsive
   -------------------------------------------------------------------------- */
@media (max-width: 991px) {
  .main-nav {
    display: none;
  }
  .hero-grid,
  .offset-banner,
  .two-cards-grid,
  .comparison-grid,
  .sandbox-split,
  .pricing-grid,
  .resources-grid {
    grid-template-columns: 1fr;
  }
  .offset-banner {
    padding: 36px 28px;
    gap: 24px;
  }
  .sandbox-container {
    padding: 28px 20px;
  }
  .form-grid-2 {
    grid-template-columns: 1fr;
  }
}