/* ============================================
   Mentivax Landing Page — Mobile-first CSS
   ============================================ */

/* --- Design Tokens --- */
:root {
  --color-bg-dark: #14120E;
  --color-bg-light: #F6F4EF;
  --color-bg-white: #fff;
  --color-text-primary: #1A1813;
  --color-text-secondary: #5C584F;
  --color-text-muted: #9b968d;
  --color-text-light: #F6F4EF;
  --color-text-light-muted: #C7C3BB;
  --color-text-light-dim: #B8B4AC;
  --color-text-light-faint: #6E6A62;
  --color-purple: #7C6CFF;
  --color-purple-deep: #5B47E0;
  --color-green: #1E9E6A;
  --color-red: #D9483B;
  --color-yellow: #FFE27A;
  --color-wa-green: #25D366;
  --color-border: #E7E3DA;
  --color-border-light: #E2DED4;
  --color-border-dark: #322e26;
  --color-surface-dark: #1F1C16;
  --color-surface-dark-alt: #26231d;
  --font-sans: 'DM Sans', system-ui, -apple-system, sans-serif;
  --font-display: 'Space Grotesk', 'DM Sans', system-ui, sans-serif;
  --font-mono: 'DM Mono', ui-monospace, 'SFMono-Regular', monospace;
  --radius-sm: 9px;
  --radius-md: 14px;
  --radius-lg: 16px;
  --container-max: 1120px;
  --section-padding: 64px 20px;
}

@media (min-width: 768px) {
  :root {
    --section-padding: 104px 40px;
  }
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  color: var(--color-text-primary);
  background: var(--color-bg-white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

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

ul {
  list-style: none;
}

h1, h2, h3, h4 {
  line-height: 1.1;
  font-weight: 700;
}

strong {
  font-weight: 600;
}

/* --- Utilities --- */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 20px;
}

@media (min-width: 768px) {
  .container {
    padding: 0 40px;
  }
}

.text-red { color: var(--color-red); }
.text-green { color: var(--color-green); font-weight: 600; }
.fw-600 { font-weight: 600; }

.hide-mobile {
  display: none;
}

@media (min-width: 768px) {
  .hide-mobile {
    display: inline;
  }
}

/* Reveal animation */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-sans);
  font-weight: 600;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
  border: none;
  white-space: nowrap;
  text-decoration: none;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn:active {
  transform: translateY(0);
}

.btn-primary {
  background: var(--color-purple);
  color: var(--color-bg-dark);
}

.btn-primary:hover {
  box-shadow: 0 4px 20px rgba(124, 108, 255, 0.4);
}

.btn-outline {
  background: transparent;
  color: var(--color-text-light);
  border: 1px solid #3a352c;
}

.btn-outline:hover {
  border-color: #5a554c;
}

.btn-outline-hero {
  background: transparent;
  color: var(--color-text-light-muted);
  border: 1px solid #3a352c;
}

.btn-outline-hero:hover {
  border-color: var(--color-purple);
  color: var(--color-text-light);
}

.btn-green {
  background: var(--color-green);
  color: #06231a;
}

.btn-ghost {
  background: var(--color-surface-dark-alt);
  color: #cfc9bd;
}

.btn-sm {
  font-size: 14px;
  padding: 10px 18px;
}

.btn-lg {
  font-size: 16px;
  padding: 14px 28px;
  border-radius: 11px;
}

@media (min-width: 768px) {
  .btn-lg {
    font-size: 17px;
    padding: 16px 32px;
  }
}

.btn-xs {
  font-size: 12px;
  font-weight: 600;
  padding: 6px 11px;
  border-radius: 14px;
}

/* --- Header --- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(20, 18, 14, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  transition: background 0.3s ease;
}

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

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 20px;
  letter-spacing: -0.01em;
  color: var(--color-text-light);
}

.logo-icon {
  width: 24px;
  height: 24px;
  border-radius: 7px;
  background: var(--color-purple);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 700;
  color: var(--color-bg-dark);
}

/* Mobile menu button */
.mobile-menu-btn {
  display: flex;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  z-index: 110;
}

.mobile-menu-btn span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-text-light);
  border-radius: 2px;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.mobile-menu-btn.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.mobile-menu-btn.active span:nth-child(2) {
  opacity: 0;
}

.mobile-menu-btn.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile nav */
.main-nav {
  position: fixed;
  top: 0;
  right: -100%;
  width: 280px;
  height: 100dvh;
  background: var(--color-bg-dark);
  padding: 80px 28px 40px;
  transition: right 0.35s ease;
  z-index: 105;
  border-left: 1px solid rgba(255, 255, 255, 0.08);
}

.main-nav.open {
  right: 0;
}

.main-nav ul {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.main-nav li a {
  display: block;
  font-size: 16px;
  color: var(--color-text-light-dim);
  padding: 12px 0;
  transition: color 0.2s;
}

.main-nav li a:hover,
.main-nav li a:focus {
  color: var(--color-text-light);
}

.main-nav li:last-child a {
  margin-top: 8px;
  text-align: center;
}

/* Desktop nav */
@media (min-width: 768px) {
  .mobile-menu-btn {
    display: none;
  }

  .main-nav {
    position: static;
    width: auto;
    height: auto;
    background: none;
    padding: 0;
    border: none;
    right: auto;
  }

  .main-nav ul {
    flex-direction: row;
    align-items: center;
    gap: 28px;
  }

  .main-nav li a {
    font-size: 15px;
    color: var(--color-text-light-dim);
    padding: 0;
  }

  .main-nav li:last-child a {
    margin-top: 0;
  }
}

/* Menu overlay */
.menu-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 104;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s ease;
}

.menu-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

/* --- Hero --- */
.hero {
  background: var(--color-bg-dark);
  color: var(--color-text-light);
  padding: 100px 20px 48px;
}

@media (min-width: 768px) {
  .hero {
    padding: 120px 40px 64px;
  }
}

.hero-content {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.section-label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-purple);
  margin-bottom: 18px;
}

@media (min-width: 768px) {
  .section-label {
    font-size: 13px;
  }
}

.section-label--red {
  color: var(--color-red);
}

.hero-label {
  margin-bottom: 20px;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(34px, 7vw, 68px);
  line-height: 1.0;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
}

.hero-subtitle {
  font-size: clamp(16px, 2.3vw, 19px);
  line-height: 1.6;
  color: var(--color-text-light-muted);
  max-width: 620px;
  margin: 0 auto 36px;
}

.hero-subtitle strong {
  color: var(--color-text-light);
  font-weight: 600;
}

.hero-ctas {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
}

/* --- Trust Bar --- */
.trust-bar {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 20px;
  margin-top: 56px;
  padding: 24px 20px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 14px;
  flex-wrap: wrap;
}

@media (min-width: 768px) {
  .trust-bar {
    gap: 40px;
    margin-top: 72px;
    padding: 28px 40px;
  }
}

.trust-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  text-align: center;
}

.trust-number {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(22px, 3vw, 28px);
  color: var(--color-purple);
}

.trust-label {
  font-size: 13px;
  color: var(--color-text-light-faint);
}

.trust-divider {
  width: 1px;
  height: 36px;
  background: rgba(255, 255, 255, 0.1);
  display: none;
}

@media (min-width: 640px) {
  .trust-divider {
    display: block;
  }
}

/* --- Problem Section --- */
.problem {
  padding: var(--section-padding);
  background: var(--color-bg-white);
}

.section-header {
  text-align: center;
  max-width: 740px;
  margin: 0 auto 48px;
}

@media (min-width: 768px) {
  .section-header {
    margin-bottom: 60px;
  }
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(26px, 4.5vw, 44px);
  line-height: 1.08;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.section-desc {
  font-size: clamp(16px, 2.2vw, 18px);
  line-height: 1.6;
  color: var(--color-text-secondary);
}

.problem-comparison {
  display: flex;
  flex-direction: column;
  gap: 32px;
  align-items: center;
  max-width: 960px;
  margin: 0 auto;
}

@media (min-width: 900px) {
  .problem-comparison {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 40px;
    align-items: center;
  }
}

/* Spreadsheet mock */
.problem-before {
  position: relative;
  width: 100%;
  max-width: 400px;
}

.spreadsheet {
  background: #F3F1EC;
  border: 1px solid var(--color-border-light);
  border-radius: 8px;
  overflow: hidden;
  font-family: var(--font-mono);
  font-size: 11px;
  transform: rotate(-1.4deg);
  box-shadow: 0 18px 40px -22px rgba(0, 0, 0, 0.3);
}

.spreadsheet-header {
  background: #217346;
  color: #fff;
  padding: 7px 12px;
  font-size: 11px;
  letter-spacing: 0.02em;
}

.spreadsheet-row {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 0.8fr;
}

.spreadsheet-row span {
  padding: 7px 9px;
  border-bottom: 1px solid #ECE8DD;
  font-size: 11px;
}

.spreadsheet-row--head {
  background: #E7E3D8;
}

.spreadsheet-row--head span {
  border-bottom: 1px solid #D7D2C5;
  font-weight: 500;
}

.spreadsheet-row:not(.spreadsheet-row--head):not(.spreadsheet-row--error):not(.spreadsheet-row--warn) {
  background: #fff;
}

.spreadsheet-row--error {
  background: #FCEFEE;
}

.spreadsheet-row--warn {
  background: #FFFBEA;
}

.sticky-note {
  position: absolute;
  right: -8px;
  top: -16px;
  background: var(--color-yellow);
  color: #5b4a00;
  font-family: var(--font-sans);
  font-size: 12px;
  line-height: 1.3;
  padding: 9px 11px;
  border-radius: 3px;
  transform: rotate(4deg);
  box-shadow: 0 6px 14px -6px rgba(0, 0, 0, 0.35);
  max-width: 150px;
}

/* Arrow */
.problem-arrow {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.arrow-icon {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 32px;
  color: var(--color-green);
  transform: rotate(90deg);
}

@media (min-width: 900px) {
  .arrow-icon {
    font-size: 38px;
    transform: none;
  }
}

.arrow-label {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--color-text-muted);
}

/* Mentivax card */
.problem-after {
  width: 100%;
  max-width: 400px;
}

.mentivax-card {
  background: var(--color-bg-dark);
  border-radius: 12px;
  padding: 22px;
  color: var(--color-text-light);
  box-shadow: 0 18px 40px -22px rgba(0, 0, 0, 0.4);
}

@media (min-width: 768px) {
  .mentivax-card {
    padding: 26px;
  }
}

.mentivax-card-q {
  display: flex;
  align-items: center;
  gap: 9px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--color-text-muted);
  margin-bottom: 16px;
}

.mentivax-card-icon {
  width: 20px;
  height: 20px;
  border-radius: 6px;
  background: var(--color-green);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #0B141A;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 11px;
}

.mentivax-card-amount {
  margin-bottom: 6px;
}

.mentivax-card-amount .amount {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(28px, 4vw, 34px);
  line-height: 1;
}

.mentivax-card-amount .amount-label {
  font-size: 16px;
  color: #8aa;
  font-weight: 500;
  margin-left: 8px;
}

.mentivax-card-meta {
  font-size: 14px;
  color: var(--color-text-light-muted);
  line-height: 1.5;
}

.mentivax-card-divider {
  border: none;
  height: 1px;
  background: #2c2922;
  margin: 18px 0;
}

.mentivax-card-actions {
  display: flex;
  gap: 8px;
}

/* Pain Points */
.pain-points {
  display: flex;
  flex-direction: column;
  gap: 16px;
  max-width: 680px;
  margin: 56px auto 0;
}

@media (min-width: 768px) {
  .pain-points {
    margin-top: 72px;
  }
}

.pain-point {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 20px;
  background: #FFF8F6;
  border: 1px solid #F5E0DA;
  border-radius: var(--radius-md);
}

.pain-icon {
  flex: none;
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: #FCEFEE;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-red);
}

.pain-point strong {
  display: block;
  font-size: 15px;
  margin-bottom: 4px;
  color: var(--color-text-primary);
}

.pain-point p {
  font-size: 14px;
  line-height: 1.5;
  color: var(--color-text-secondary);
}

/* --- Why Different Section --- */
.why-different {
  padding: var(--section-padding);
  background: var(--color-bg-light);
}

.diff-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  max-width: 800px;
  margin: 0 auto;
}

@media (min-width: 640px) {
  .diff-grid {
    grid-template-columns: 1fr 1fr;
    gap: 24px;
  }
}

.diff-card {
  border-radius: var(--radius-md);
  padding: 28px;
}

.diff-card--old {
  background: #FFF8F6;
  border: 1px solid #F0D8D2;
}

.diff-card--new {
  background: #F0FFF6;
  border: 1px solid #C8ECD8;
}

.diff-card-header {
  margin-bottom: 20px;
}

.diff-badge {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 5px 12px;
  border-radius: 20px;
}

.diff-badge--red {
  background: #FCEFEE;
  color: var(--color-red);
}

.diff-badge--green {
  background: #E4F9EE;
  color: var(--color-green);
}

.diff-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.diff-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 15px;
  line-height: 1.45;
  color: var(--color-text-secondary);
}

.diff-x {
  flex: none;
  font-size: 16px;
  font-weight: 700;
  color: var(--color-red);
  width: 20px;
  text-align: center;
  line-height: 1.4;
}

.diff-check {
  flex: none;
  font-size: 14px;
  font-weight: 700;
  color: var(--color-green);
  width: 20px;
  text-align: center;
  line-height: 1.5;
}

/* --- Command Demo Section --- */
.command-demo-section {
  padding: var(--section-padding);
  background: var(--color-bg-dark);
  color: var(--color-text-light);
}

.command-demo-section .section-label {
  color: var(--color-purple);
}

.command-demo-section .section-title {
  color: var(--color-text-light);
}

.command-demo-section .section-desc {
  color: var(--color-text-light-muted);
}

/* --- Command Bar --- */
.command-bar-wrap {
  max-width: 700px;
  margin: 0 auto;
}

.command-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--color-surface-dark);
  border-radius: var(--radius-lg);
  padding: 18px 20px;
  animation: mvGlow 3.6s ease-in-out infinite;
}

@media (min-width: 768px) {
  .command-bar {
    gap: 14px;
    padding: 21px 24px;
  }
}

@keyframes mvGlow {
  0%, 100% {
    box-shadow: 0 0 0 1px rgba(124, 108, 255, 0.35), 0 0 34px -8px rgba(124, 108, 255, 0.55);
  }
  50% {
    box-shadow: 0 0 0 1px rgba(124, 108, 255, 0.6), 0 0 54px -6px rgba(124, 108, 255, 0.8);
  }
}

.command-bar-icon {
  width: 28px;
  height: 28px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, #7C6CFF, #9d7bff);
  flex: none;
}

@media (min-width: 768px) {
  .command-bar-icon {
    width: 30px;
    height: 30px;
  }
}

.command-bar-text {
  font-size: 16px;
  color: var(--color-text-light);
  flex: 1;
  text-align: left;
  min-height: 24px;
}

@media (min-width: 768px) {
  .command-bar-text {
    font-size: 18px;
  }
}

.command-bar-caret {
  display: inline-block;
  width: 2px;
  height: 20px;
  background: var(--color-purple);
  margin-left: 2px;
  vertical-align: -3px;
  animation: mvCaret 1s steps(1) infinite;
}

@keyframes mvCaret {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

.command-bar-hint {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--color-text-light-faint);
}

.command-answer {
  display: flex;
  gap: 12px;
  margin-top: 14px;
  background: rgba(124, 108, 255, 0.08);
  border: 1px solid rgba(124, 108, 255, 0.22);
  border-radius: var(--radius-lg);
  padding: 16px 18px;
  text-align: left;
}

@media (min-width: 768px) {
  .command-answer {
    gap: 14px;
    margin-top: 16px;
    padding: 18px 22px;
  }
}

.command-answer-icon {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 13px;
  color: var(--color-purple);
  flex: none;
  padding-top: 2px;
}

.command-answer-text {
  font-size: 15px;
  line-height: 1.5;
  color: #E7E3DA;
}

@media (min-width: 768px) {
  .command-answer-text {
    font-size: 16px;
  }
}

.command-tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 16px;
  justify-content: center;
}

.command-tags-label {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--color-text-light-faint);
  display: flex;
  align-items: center;
}

.tag {
  font-size: 13px;
  color: var(--color-text-muted);
  border: 1px solid var(--color-border-dark);
  border-radius: 20px;
  padding: 5px 12px;
  transition: border-color 0.2s;
}

.tag:hover {
  border-color: var(--color-text-muted);
}

/* --- Features Section --- */
.features {
  padding: var(--section-padding);
  background: var(--color-bg-light);
}

.features-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  max-width: 1040px;
  margin: 0 auto;
}

@media (min-width: 640px) {
  .features-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 960px) {
  .features-grid {
    grid-template-columns: 1fr 1fr 1fr;
    gap: 24px;
  }
}

.feature-card {
  background: var(--color-bg-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 26px;
  position: relative;
}

@media (min-width: 768px) {
  .feature-card {
    padding: 30px;
  }
}

.feature-card--highlight {
  border-color: var(--color-green);
  box-shadow: 0 0 0 1px var(--color-green), 0 8px 24px -8px rgba(30, 158, 106, 0.15);
}

.feature-badge {
  position: absolute;
  top: -10px;
  left: 20px;
  background: var(--color-green);
  color: #fff;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 3px 10px;
  border-radius: 10px;
}

.feature-icon {
  width: 44px;
  height: 44px;
  border-radius: 11px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.feature-icon--purple {
  background: #ECE9FF;
  color: var(--color-purple);
}

.feature-icon--green {
  background: #E4F4EC;
  color: var(--color-green);
}

.feature-icon--wa {
  background: #E4F9EE;
  color: #128C7E;
}

.feature-title {
  font-family: var(--font-display);
  font-size: 20px;
  letter-spacing: -0.01em;
  margin-bottom: 10px;
}

@media (min-width: 768px) {
  .feature-title {
    font-size: 22px;
  }
}

.feature-desc {
  font-size: 15px;
  line-height: 1.55;
  color: var(--color-text-secondary);
  margin-bottom: 18px;
}

.feature-demo {
  background: var(--color-bg-light);
  border-radius: 10px;
  padding: 13px 15px;
  font-size: 13px;
}

.feature-demo-row {
  display: flex;
  justify-content: space-between;
}

.feature-demo-row + .feature-demo-row {
  margin-top: 7px;
}

.feature-demo-row--small {
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px solid var(--color-border);
  font-size: 12px;
}

.feature-demo-row span:first-child {
  color: var(--color-text-secondary);
}

.progress-bar {
  height: 6px;
  background: #E7E3DA;
  border-radius: 4px;
  overflow: hidden;
  margin-top: 7px;
}

.progress-bar-fill {
  width: var(--progress, 0%);
  height: 100%;
  background: var(--color-green);
  border-radius: 4px;
  transition: width 1.2s ease;
}

/* Chat bubbles */
.feature-demo--chat {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.chat-bubble {
  align-self: flex-end;
  background: #005C4B;
  color: #E9FBF3;
  padding: 5px 10px;
  border-radius: 10px 10px 2px 10px;
  font-size: 13px;
  max-width: 85%;
}

.chat-bubble--reply {
  align-self: flex-start;
  background: #fff;
  color: var(--color-text-primary);
  border: 1px solid var(--color-border);
  border-radius: 10px 10px 10px 2px;
}

.chat-bubble--bot {
  align-self: flex-end;
  background: #005C4B;
}

.chat-status {
  color: var(--color-green);
  font-weight: 600;
  font-size: 12px;
  margin-top: 2px;
}

/* Coming Soon */
.coming-soon {
  text-align: center;
  margin-top: 48px;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.coming-soon-label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: 16px;
}

.coming-soon-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
}

.coming-tag {
  font-size: 13px;
  color: var(--color-text-secondary);
  background: var(--color-bg-white);
  border: 1px dashed var(--color-border);
  border-radius: 20px;
  padding: 6px 14px;
}

/* --- Who Benefits --- */
.who-benefits {
  padding: var(--section-padding);
  background: var(--color-bg-white);
}

.benefits-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  max-width: 1040px;
  margin: 0 auto;
}

@media (min-width: 640px) {
  .benefits-grid {
    grid-template-columns: 1fr 1fr;
    gap: 20px;
  }
}

@media (min-width: 960px) {
  .benefits-grid {
    grid-template-columns: 1fr 1fr 1fr;
  }
}

.benefit-card {
  padding: 24px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg-white);
  transition: border-color 0.2s, box-shadow 0.2s;
}

.benefit-card:hover {
  border-color: var(--color-purple);
  box-shadow: 0 4px 16px rgba(124, 108, 255, 0.08);
}

.benefit-card--cta {
  background: var(--color-bg-light);
  border-style: dashed;
}

.benefit-emoji {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: var(--color-bg-light);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  color: var(--color-purple-deep);
}

.benefit-card--cta .benefit-emoji {
  color: var(--color-green);
}

.benefit-title {
  font-family: var(--font-display);
  font-size: 18px;
  margin-bottom: 8px;
}

.benefit-desc {
  font-size: 14px;
  line-height: 1.55;
  color: var(--color-text-secondary);
}

/* --- How It Works --- */
.how-it-works {
  padding: var(--section-padding);
  background: var(--color-bg-light);
}

.steps-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  max-width: 1040px;
  margin: 0 auto;
}

@media (min-width: 768px) {
  .steps-grid {
    grid-template-columns: 1fr 1fr 1fr;
    gap: 24px;
  }
}

.step {
  border-top: 3px solid var(--color-text-primary);
  padding-top: 24px;
}

.step[data-accent="purple"] {
  border-top-color: var(--color-purple-deep);
}

.step[data-accent="green"] {
  border-top-color: var(--color-green);
}

.step-number {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--color-text-muted);
  margin-bottom: 12px;
  text-transform: uppercase;
}

.step-title {
  font-family: var(--font-display);
  font-size: 21px;
  margin-bottom: 10px;
}

@media (min-width: 768px) {
  .step-title {
    font-size: 23px;
  }
}

.step-desc {
  font-size: 15px;
  line-height: 1.55;
  color: var(--color-text-secondary);
}

/* --- Social Proof --- */
.social-proof {
  padding: 64px 20px;
  background: var(--color-bg-white);
}

@media (min-width: 768px) {
  .social-proof {
    padding: 80px 40px;
  }
}

.proof-quote {
  max-width: 680px;
  margin: 0 auto;
  text-align: center;
}

.proof-quote blockquote {
  position: relative;
  margin-bottom: 20px;
}

.proof-quote blockquote::before {
  content: '\201C';
  position: absolute;
  top: -20px;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-display);
  font-size: 72px;
  color: var(--color-purple);
  opacity: 0.2;
  line-height: 1;
}

.proof-quote p {
  font-size: clamp(17px, 2.5vw, 20px);
  line-height: 1.6;
  color: var(--color-text-primary);
  font-style: italic;
}

.proof-author {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.proof-author strong {
  font-size: 15px;
  color: var(--color-text-primary);
}

.proof-author span {
  font-size: 14px;
  color: var(--color-text-muted);
}

/* --- FAQ --- */
.faq {
  padding: var(--section-padding);
  background: var(--color-bg-light);
}

.faq-title {
  font-family: var(--font-display);
  font-size: clamp(26px, 4.5vw, 38px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  text-align: center;
  margin-bottom: 32px;
}

@media (min-width: 768px) {
  .faq-title {
    margin-bottom: 40px;
  }
}

.faq-list {
  max-width: 780px;
  margin: 0 auto;
  background: var(--color-bg-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.faq-item {
  border-bottom: 1px solid #EDE9E0;
}

.faq-item:last-child {
  border-bottom: none;
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 20px;
  cursor: pointer;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 16px;
  color: var(--color-text-primary);
  list-style: none;
  user-select: none;
  transition: background 0.15s;
}

.faq-question:hover {
  background: rgba(0, 0, 0, 0.015);
}

@media (min-width: 768px) {
  .faq-question {
    padding: 22px 28px;
    font-size: 18px;
  }
}

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

.faq-icon {
  flex: none;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 22px;
  color: var(--color-purple-deep);
  transition: transform 0.3s ease;
}

.faq-icon::before {
  content: '+';
}

.faq-item[open] .faq-icon {
  transform: rotate(45deg);
}

.faq-answer {
  padding: 0 20px 20px;
  font-size: 15px;
  line-height: 1.6;
  color: var(--color-text-secondary);
  max-width: 640px;
}

@media (min-width: 768px) {
  .faq-answer {
    padding: 0 28px 24px;
    font-size: 16px;
  }
}

/* --- CTA --- */
.cta {
  padding: 64px 20px;
  background: var(--color-bg-dark);
  color: var(--color-text-light);
  text-align: center;
}

@media (min-width: 768px) {
  .cta {
    padding: 96px 40px;
  }
}

.cta-label {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-purple);
  margin-bottom: 18px;
}

.cta-title {
  font-family: var(--font-display);
  font-size: clamp(28px, 5.5vw, 48px);
  line-height: 1.08;
  letter-spacing: -0.025em;
  max-width: 700px;
  margin: 0 auto 20px;
}

.cta-title em {
  color: var(--color-purple);
  font-style: normal;
}

.cta-desc {
  font-size: clamp(15px, 2vw, 18px);
  line-height: 1.6;
  color: var(--color-text-light-muted);
  max-width: 540px;
  margin: 0 auto 32px;
}

@media (min-width: 768px) {
  .cta-desc {
    margin-bottom: 36px;
  }
}

.cta-actions {
  display: flex;
  gap: 14px;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
}

.cta-reassurance {
  margin-top: 24px;
  font-size: 13px;
  color: var(--color-text-light-faint);
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 4px;
}

.cta-dot {
  margin: 0 4px;
}

/* --- Footer --- */
.site-footer {
  background: var(--color-bg-dark);
  color: var(--color-text-light-muted);
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding: 48px 20px 32px;
}

@media (min-width: 768px) {
  .site-footer {
    padding: 64px 40px 40px;
  }
}

.footer-inner {
  display: flex;
  flex-direction: column;
  gap: 40px;
}

@media (min-width: 768px) {
  .footer-inner {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr 1fr;
    gap: 40px;
  }
}

.footer-brand .logo {
  margin-bottom: 10px;
}

.footer-tagline {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--color-text-light-faint);
  line-height: 1.5;
}

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

@media (min-width: 768px) {
  .footer-nav {
    display: contents;
  }
}

.footer-col h4 {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text-light);
  margin-bottom: 14px;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-col a {
  font-size: 14px;
  color: var(--color-text-light-faint);
  transition: color 0.2s;
}

.footer-col a:hover {
  color: var(--color-text-light);
}

.footer-bottom {
  padding-top: 32px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  font-size: 13px;
  color: var(--color-text-light-faint);
}

@media (min-width: 768px) {
  .footer-bottom {
    grid-column: 1 / -1;
  }
}

/* --- Skip to content (accessibility) --- */
.skip-link {
  position: absolute;
  top: -100px;
  left: 10px;
  background: var(--color-purple);
  color: var(--color-bg-dark);
  padding: 10px 20px;
  border-radius: 8px;
  font-weight: 600;
  z-index: 999;
  transition: top 0.2s;
}

.skip-link:focus {
  top: 10px;
}

/* --- Print --- */
@media print {
  .site-header,
  .command-bar-wrap,
  .cta-actions,
  .trust-bar {
    display: none;
  }

  body {
    color: #000;
    background: #fff;
  }

  .hero,
  .command-demo-section,
  .cta {
    background: #fff;
    color: #000;
  }
}