/* ============================================================
   DESIGN TOKENS
   ============================================================ */
:root {
  --color-background-primary:   #FFFFFF;
  --color-background-secondary: #F2F1EE;
  --color-text-primary:         #0D0D0F;
  --color-text-secondary:       #6B6B7A;
  --color-text-tertiary:        #9B9BAA;
  --color-border-tertiary:      #E4E4E8;

  --font-sans:  'Inter', system-ui, -apple-system, sans-serif;
  --font-serif: 'Lora', Georgia, serif;

  --border-radius-md: 6px;
  --border-radius-lg: 14px;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --color-background-primary:   #0F0F12;
    --color-background-secondary: #16161C;
    --color-text-primary:         #F0F0F4;
    --color-text-secondary:       #8A8A99;
    --color-text-tertiary:        #55555E;
    --color-border-tertiary:      #252530;
  }
}

[data-theme="dark"] {
  --color-background-primary:   #0F0F12;
  --color-background-secondary: #16161C;
  --color-text-primary:         #F0F0F4;
  --color-text-secondary:       #8A8A99;
  --color-text-tertiary:        #55555E;
  --color-border-tertiary:      #252530;
}


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

:focus-visible {
  outline: 2px solid #1D9E75;
  outline-offset: 3px;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  background: var(--color-background-primary);
  color: var(--color-text-primary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition: background 0.2s ease, color 0.2s ease;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; font-family: inherit; background: none; border: none; }


/* ============================================================
   LAYOUT UTILITIES
   ============================================================ */
.section-band {
  background: var(--color-background-secondary);
  border-top: 0.5px solid var(--color-border-tertiary);
  border-bottom: 0.5px solid var(--color-border-tertiary);
}

.section-inner {
  max-width: 960px;
  margin: 0 auto;
  padding: 64px 40px;
}

.section-header {
  text-align: center;
  margin-bottom: 48px;
}

.section-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-tertiary);
  margin-bottom: 12px;
}

.section-heading {
  font-size: 36px;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.15;
  color: var(--color-text-primary);
}

.section-sub {
  font-size: 16px;
  color: var(--color-text-secondary);
  line-height: 1.6;
  max-width: 560px;
  margin: 16px auto 0;
}

@media (max-width: 639px) {
  .section-inner { padding: 48px 20px; }
  .section-heading { font-size: 26px; }
}


/* ============================================================
   NAV
   ============================================================ */
.nav-outer {
  border-bottom: 0.5px solid var(--color-border-tertiary);
}

nav {
  position: relative;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 40px;
  max-width: 1100px;
  margin: 0 auto;
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.nav__logo-icon {
  width: 36px;
  height: 36px;
  background: var(--color-text-primary);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--color-background-primary);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.05em;
}

.nav__logo span {
  font-weight: 500;
  font-size: 15px;
  color: var(--color-text-primary);
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav__links a:not(.btn-primary) {
  font-size: 14px;
  color: var(--color-text-secondary);
}

.nav__links a:not(.btn-primary):hover {
  color: var(--color-text-primary);
}

.nav__right {
  display: flex;
  align-items: center;
  gap: 6px;
}

.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  font-size: 18px;
  border-radius: 10px;
  border: none;
  background: #1e1e24;
  color: #e8e8f0;
  transition: background 0.15s ease;
}

.theme-toggle:hover { background: #2e2e38; }

[data-theme="dark"] .theme-toggle { background: #e4e4e8; color: #1e1e24; }
[data-theme="dark"] .theme-toggle:hover { background: #d0d0d6; }

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .theme-toggle { background: #e4e4e8; color: #1e1e24; }
  :root:not([data-theme="light"]) .theme-toggle:hover { background: #d0d0d6; }
}

.nav__mobile-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  color: var(--color-text-primary);
}

@media (max-width: 639px) {
  nav { padding: 14px 20px; }

  .nav__mobile-toggle { display: flex; }

  .nav__links {
    display: none;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-background-primary);
    border-top: 0.5px solid var(--color-border-tertiary);
    border-bottom: 0.5px solid var(--color-border-tertiary);
    z-index: 100;
    padding: 8px 0;
  }

  .nav__links.is-open { display: flex; }

  .nav__links a { width: 100%; padding: 11px 20px; font-size: 14px; }

  .nav__links .btn-primary {
    margin: 10px 20px;
    width: calc(100% - 40px);
    text-align: center;
    justify-content: center;
  }
}


/* ============================================================
   BUTTONS
   ============================================================ */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  padding: 7px 16px;
  background: var(--color-text-primary);
  color: var(--color-background-primary);
  border: none;
  border-radius: 999px;
  font-weight: 500;
  transition: opacity 0.15s ease;
  white-space: nowrap;
}

.btn-primary:hover { opacity: 0.82; }

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  padding: 10px 22px;
  background: transparent;
  color: var(--color-text-primary);
  border: 1px solid var(--color-border-tertiary);
  border-radius: 999px;
  font-weight: 500;
  transition: background 0.15s ease, border-color 0.15s ease;
}

.btn-secondary:hover {
  background: var(--color-background-secondary);
  border-color: var(--color-text-secondary);
}

.btn-large {
  font-size: 14px;
  padding: 12px 24px;
}


/* ============================================================
   HERO
   ============================================================ */
.hero-section {
  padding: 80px 40px 72px;
  text-align: center;
  max-width: 960px;
  margin: 0 auto;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 5px 14px;
  background: var(--color-background-secondary);
  border: 0.5px solid var(--color-border-tertiary);
  border-radius: 999px;
  font-size: 12px;
  color: var(--color-text-secondary);
  margin-bottom: 28px;
}

.hero-section h1 {
  font-size: 64px;
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin: 0 0 24px;
}

.hero-sub {
  font-size: 17px;
  color: var(--color-text-secondary);
  line-height: 1.6;
  max-width: 520px;
  margin: 0 auto 36px;
}

.hero-actions {
  display: flex;
  gap: 10px;
  justify-content: center;
  flex-wrap: wrap;
}

@media (max-width: 639px) {
  .hero-section { padding: 48px 20px 56px; }
  .hero-section h1 { font-size: 38px; }
}

@media (min-width: 640px) and (max-width: 1023px) {
  .hero-section h1 { font-size: 50px; }
}


/* ============================================================
   LIVE DOT
   ============================================================ */
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.35; }
}

.live-dot {
  width: 7px;
  height: 7px;
  background: #1D9E75;
  border-radius: 50%;
  display: inline-block;
  flex-shrink: 0;
  animation: pulse 2s ease-in-out infinite;
}


/* ============================================================
   OUTCOME CARDS
   ============================================================ */
.outcome-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.outcome-card {
  background: var(--color-background-primary);
  border: 0.5px solid var(--color-border-tertiary);
  border-radius: var(--border-radius-lg);
  padding: 24px;
  text-align: center;
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}

.outcome-card--green  { border-color: rgba(15,110,86,0.45);  box-shadow: 0 0 8px 1px rgba(15,110,86,0.35); }
.outcome-card--red    { border-color: rgba(155,48,32,0.45);  box-shadow: 0 0 8px 1px rgba(155,48,32,0.35); }
.outcome-card--purple { border-color: rgba(76,61,158,0.45);  box-shadow: 0 0 8px 1px rgba(76,61,158,0.35); }

.outcome-card--green:hover  { border-color: rgba(15,110,86,0.8);  box-shadow: 0 0 14px 2px rgba(15,110,86,0.6);  transform: translateY(-2px); }
.outcome-card--red:hover    { border-color: rgba(155,48,32,0.8);  box-shadow: 0 0 14px 2px rgba(155,48,32,0.6);  transform: translateY(-2px); }
.outcome-card--purple:hover { border-color: rgba(76,61,158,0.8);  box-shadow: 0 0 14px 2px rgba(76,61,158,0.6);  transform: translateY(-2px); }

[data-theme="dark"] .outcome-card:hover,
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .outcome-card:hover {
    box-shadow: 0 4px 24px rgba(0,0,0,0.4);
  }
}

.outcome-icon {
  display: flex;
  justify-content: center;
  margin-bottom: 12px;
  color: var(--color-text-tertiary);
}

.outcome-title {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 8px;
}

.outcome-body {
  font-size: 13px;
  color: var(--color-text-secondary);
  line-height: 1.6;
}

@media (max-width: 639px) {
  .outcome-grid { grid-template-columns: 1fr; }
}

@media (min-width: 640px) and (max-width: 1023px) {
  .outcome-grid { grid-template-columns: repeat(2, 1fr); }
  .outcome-card:last-child { grid-column: 1 / -1; max-width: calc(50% - 7px); }
}


/* ============================================================
   FAILURE MODES COMPARISON TABLE
   ============================================================ */
.compare-table {
  border: 0.5px solid var(--color-border-tertiary);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
}

.compare-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-bottom: 0.5px solid var(--color-border-tertiary);
}

.compare-row:last-child { border-bottom: none; }

.compare-cell {
  padding: 28px 32px;
}

.compare-cell--without {
  background: var(--color-background-secondary);
  border-right: 0.5px solid var(--color-border-tertiary);
}

.compare-cell--with {
  background: var(--color-background-primary);
}

.compare-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #ffffff;
  margin-bottom: 8px;
}

[data-theme="light"] .compare-label {
  color: #000000;
}

.compare-label--with,
[data-theme="light"] .compare-label--with {
  color: #1D9E75;
}

.compare-body {
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 1.6;
}

@media (max-width: 639px) {
  .compare-row { grid-template-columns: 1fr; }
  .compare-cell--without { border-right: none; border-bottom: 0.5px solid var(--color-border-tertiary); }
  .compare-cell { padding: 20px; }
}


/* ============================================================
   COMMAND MESH
   ============================================================ */
.command-card {
  background: var(--color-background-primary);
  border: 0.5px solid var(--color-border-tertiary);
  border-radius: var(--border-radius-lg);
  padding: 24px;
  margin-bottom: 14px;
}

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

.command-card__label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-tertiary);
}

.command-card__live {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 500;
  color: #1D9E75;
}

.command-tiles {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 10px;
  margin-bottom: 18px;
}

.command-tile {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 16px 8px;
  border-radius: 10px;
  font-size: 12px;
  font-weight: 500;
  color: var(--color-text-primary);
}

.command-tile--purple { background: #EDE9FD; color: #4C3D9E; }
.command-tile--teal   { background: #E2F5EE; color: #0F6E56; }
.command-tile--rose   { background: #FDECEA; color: #9B3020; }

[data-theme="dark"] .command-tile--purple { background: #2A2450; color: #B8ADFF; }
[data-theme="dark"] .command-tile--teal   { background: #0E2E26; color: #4DD6A4; }
[data-theme="dark"] .command-tile--rose   { background: #2E1614; color: #F4907E; }

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .command-tile--purple { background: #2A2450; color: #B8ADFF; }
  :root:not([data-theme="light"]) .command-tile--teal   { background: #0E2E26; color: #4DD6A4; }
  :root:not([data-theme="light"]) .command-tile--rose   { background: #2E1614; color: #F4907E; }
}

.command-card__status {
  display: flex;
  justify-content: space-between;
  padding-top: 16px;
  border-top: 0.5px solid var(--color-border-tertiary);
  font-size: 12px;
  color: var(--color-text-tertiary);
}

.command-card__status span {
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

@media (max-width: 639px) {
  .command-tiles { grid-template-columns: repeat(3, 1fr); }
  .command-card__status { flex-direction: column; gap: 8px; }
}


/* ============================================================
   MEET ELARA
   ============================================================ */
.elara-card {
  background: var(--color-background-primary);
  border: 0.5px solid var(--color-border-tertiary);
  border-radius: var(--border-radius-lg);
  padding: 24px;
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.elara-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: #CECBF6;
  color: #26215C;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 600;
  flex-shrink: 0;
}

.elara-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 6px;
  flex-wrap: wrap;
}

.elara-name {
  font-size: 15px;
  font-weight: 600;
}

.elara-badge {
  font-size: 11px;
  font-weight: 500;
  padding: 2px 9px;
  border-radius: 999px;
  background: #E2F5EE;
  color: #0F6E56;
}

[data-theme="dark"] .elara-badge { background: #0E2E26; color: #4DD6A4; }

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .elara-badge { background: #0E2E26; color: #4DD6A4; }
}

.elara-body {
  font-size: 13px;
  color: var(--color-text-secondary);
  line-height: 1.6;
}


/* ============================================================
   HOW WE ENGAGE
   ============================================================ */
.engage-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
}

.engage-col {
  padding: 8px 28px 8px 20px;
  border-left: 3px solid transparent;
}

.engage-col--purple { border-left-color: #534AB7; }
.engage-col--green  { border-left-color: #1D9E75; }
.engage-col--orange { border-left-color: #D85A30; }

.engage-title {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 8px;
}

.engage-body {
  font-size: 13px;
  color: var(--color-text-secondary);
  line-height: 1.65;
}

@media (max-width: 639px) {
  .engage-grid { grid-template-columns: 1fr; gap: 24px; }
}


/* ============================================================
   CLOSING CTA
   ============================================================ */
.cta-section {
  text-align: center;
}

.cta-main-heading {
  font-size: 44px;
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: 16px;
}

.cta-sub {
  font-size: 15px;
  color: var(--color-text-secondary);
  line-height: 1.65;
  max-width: 680px;
  margin: 0 auto 28px;
}

@media (max-width: 639px) {
  .cta-main-heading { font-size: 30px; }
}


/* ============================================================
   FOOTER
   ============================================================ */
.footer-outer {
  border-top: 0.5px solid var(--color-border-tertiary);
}

footer {
  padding: 24px 40px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12px;
  color: var(--color-text-tertiary);
  max-width: 1100px;
  margin: 0 auto;
}

footer a { margin: 0 4px; }
footer a:hover { color: var(--color-text-secondary); }

@media (max-width: 639px) {
  footer { flex-direction: column; gap: 8px; text-align: center; padding: 20px; }
}