/* ============================================================
   POKA — Marketing Site Styles
   Design language: Dark, SGI-purple accent, clean technical
   ============================================================ */

/* ── Design Tokens ────────────────────────────────────────── */
:root {
  /* Backgrounds */
  --color-bg-hero:    #0d1120;
  --color-bg-base:    #141824;
  --color-bg-surface: #1a1f2e;
  --color-bg-card:    #1e2436;
  --color-bg-input:   #111520;

  /* Borders */
  --color-border:        rgba(128, 64, 192, 0.18);
  --color-border-subtle: rgba(255, 255, 255, 0.06);

  /* Accent — SGI purple */
  --color-accent:       #8040c0;
  --color-accent-light: #9a5cd4;
  --color-accent-dim:   rgba(128, 64, 192, 0.15);
  --color-accent-glow:  rgba(128, 64, 192, 0.35);

  /* Text */
  --color-text-primary:   #e8eaf0;
  --color-text-secondary: #8892b0;
  --color-text-muted:     #5c6480;
  --color-text-inverse:   #ffffff;

  /* Status */
  --color-success: #3ecf8e;
  --color-error:   #ff4d6a;

  /* Typography */
  --font-ui:    'Inter', system-ui, -apple-system, sans-serif;
  --font-mono:  'JetBrains Mono', 'Fira Code', 'Cascadia Code', monospace;
  --font-brand: 'Space Grotesk', system-ui, sans-serif;

  /* Brand colors */
  --color-text-brand: #f4eedf;
  --color-mint:       #80ddc0;

  /* Spacing scale */
  --space-1:  0.25rem;
  --space-2:  0.5rem;
  --space-3:  0.75rem;
  --space-4:  1rem;
  --space-5:  1.25rem;
  --space-6:  1.5rem;
  --space-7:  1.75rem;
  --space-8:  2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* Layout */
  --max-width: 1200px;
  --nav-height: 130px;

  /* Radii */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;

  /* Transitions */
  --transition-fast:   150ms ease;
  --transition-normal: 250ms ease;
  --transition-slow:   400ms ease;

  /* Shadows */
  --shadow-card:  0 1px 3px rgba(0,0,0,0.4), 0 4px 16px rgba(0,0,0,0.2);
  --shadow-glow:  0 0 24px var(--color-accent-glow);
  --shadow-modal: 0 8px 48px rgba(0,0,0,0.6);
}

/* ── Base ─────────────────────────────────────────────────── */
html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-ui);
  background-color: var(--color-bg-base);
  color: var(--color-text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

/* ── Typography ───────────────────────────────────────────── */
h1, h2, h3, h4 {
  line-height: 1.2;
  letter-spacing: -0.02em;
  font-weight: 700;
  color: var(--color-text-inverse);
}

h1 { font-size: clamp(2.25rem, 5vw, 3.75rem); }
h2 { font-size: clamp(1.75rem, 3.5vw, 2.75rem); }
h3 { font-size: clamp(1.125rem, 2vw, 1.375rem); font-weight: 600; }
h4 { font-size: 1rem; font-weight: 600; }

p { color: var(--color-text-secondary); }

code, .mono {
  font-family: var(--font-mono);
  font-size: 0.875em;
}

.section-eyebrow {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent-light);
  margin-bottom: var(--space-3);
}

.section-heading {
  margin-bottom: var(--space-4);
}

.section-subheading {
  font-size: 1.125rem;
  color: var(--color-text-secondary);
  max-width: 56ch;
  margin: 0 auto;
}

/* ── Layout utilities ─────────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

@media (max-width: 640px) {
  .container { padding: 0 var(--space-4); }
}

.section {
  padding: var(--space-24) 0;
}

.section--alt {
  background-color: var(--color-bg-surface);
}

.section--dark {
  background-color: var(--color-bg-hero);
}

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

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-5);
}

@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .grid-3 { grid-template-columns: 1fr; }
  .grid-2 { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .grid-4 { grid-template-columns: 1fr; }
}

/* ── Buttons ──────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.6875rem 1.5rem;
  border-radius: var(--radius-md);
  font-size: 0.9375rem;
  font-weight: 600;
  line-height: 1;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.btn-primary {
  background: var(--color-accent);
  color: var(--color-text-inverse);
  border: 1px solid var(--color-accent);
}

.btn-primary:hover {
  background: var(--color-accent-light);
  border-color: var(--color-accent-light);
  box-shadow: var(--shadow-glow);
  transform: translateY(-1px);
}

.btn-secondary {
  background: transparent;
  color: var(--color-text-primary);
  border: 1px solid var(--color-border);
}

.btn-secondary:hover {
  background: var(--color-accent-dim);
  border-color: var(--color-accent);
  color: var(--color-text-inverse);
  transform: translateY(-1px);
}

.btn-ghost {
  background: transparent;
  color: var(--color-accent-light);
  border: 1px solid transparent;
  padding-left: 0;
  padding-right: 0;
}

.btn-ghost:hover {
  color: var(--color-text-inverse);
}

.btn-lg {
  padding: 0.875rem 2rem;
  font-size: 1rem;
}

/* ── Cards ────────────────────────────────────────────────── */
.card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  transition: border-color var(--transition-normal), box-shadow var(--transition-normal);
}

.card:hover {
  border-color: var(--color-border);
  box-shadow: var(--shadow-card);
}

.card-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: var(--color-accent-dim);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-5);
  color: var(--color-accent-light);
  flex-shrink: 0;
}

.card-icon svg {
  width: 22px;
  height: 22px;
}

/* ── Nav ──────────────────────────────────────────────────── */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  transition: background-color var(--transition-normal),
              border-bottom-color var(--transition-normal),
              backdrop-filter var(--transition-normal);
  border-bottom: 1px solid transparent;
}

.nav--scrolled {
  background-color: rgba(20, 24, 36, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom-color: var(--color-border-subtle);
}

.nav__inner {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-6);
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: 24px;
  flex-shrink: 0;
  text-decoration: none;
}

.nav__mark {
  height: 74px;
  width: auto;
  flex-shrink: 0;
  display: block;
}

.nav__wordmark-group {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.nav__wordmark {
  font-family: var(--font-brand);
  font-weight: 700;
  font-size: clamp(25px, 2.9vw, 39px);
  letter-spacing: -0.045em;
  line-height: 0.95;
  margin: 0;
  color: var(--color-text-brand);
  display: flex;
  align-items: baseline;
}

.nav__dot {
  display: inline-block;
  width: 0.16em;
  height: 0.16em;
  background: var(--color-mint);
  border-radius: 2px;
  margin-left: 0.05em;
  transform: translateY(-0.06em);
  flex-shrink: 0;
}

.nav__tagline {
  font-family: var(--font-mono);
  font-weight: 400;
  font-size: 8px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  opacity: 0.7;
  color: var(--color-text-brand);
  margin: 0;
  white-space: nowrap;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-8);
  flex: 1;
}

.nav__link {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
}

.nav__link:hover {
  color: var(--color-text-primary);
}

.nav__actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-shrink: 0;
}

.nav__login {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  padding: 0.5rem 0.875rem;
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast);
}

.nav__login:hover {
  color: var(--color-text-primary);
}

/* Hamburger */
.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-2);
  cursor: pointer;
  border: none;
  background: none;
  margin-left: auto;
}

.nav__hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-text-primary);
  border-radius: 2px;
  transition: all var(--transition-fast);
}

.nav__hamburger.is-open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav__hamburger.is-open span:nth-child(2) {
  opacity: 0;
}
.nav__hamburger.is-open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile menu */
.nav__mobile {
  display: none;
  position: fixed;
  top: var(--nav-height);
  left: 0;
  right: 0;
  background: var(--color-bg-base);
  border-bottom: 1px solid var(--color-border-subtle);
  padding: var(--space-4) var(--space-6) var(--space-6);
  flex-direction: column;
  gap: var(--space-4);
  z-index: 99;
}

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

.nav__mobile .nav__link {
  font-size: 1.0625rem;
  padding: var(--space-2) 0;
  border-bottom: 1px solid var(--color-border-subtle);
}

.nav__mobile .nav__actions {
  flex-direction: column;
  margin-top: var(--space-2);
}

.nav__mobile .btn {
  width: 100%;
  justify-content: center;
}

@media (max-width: 768px) {
  :root { --nav-height: 90px; }
  .nav__mark { height: 50px; }

  .nav__links,
  .nav__login {
    display: none;
  }

  .nav__actions .btn {
    display: none;
  }

  .nav__hamburger {
    display: flex;
  }
}

/* ── Hero ─────────────────────────────────────────────────── */
.hero {
  background-color: var(--color-bg-hero);
  padding-top: calc(var(--nav-height) + var(--space-20));
  padding-bottom: var(--space-24);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -200px;
  right: -200px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(128,64,192,0.12) 0%, transparent 70%);
  pointer-events: none;
}

.hero__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.hero__content {}

.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background: var(--color-accent-dim);
  border: 1px solid var(--color-border);
  border-radius: 100px;
  padding: 0.3125rem var(--space-4);
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-accent-light);
  margin-bottom: var(--space-6);
  letter-spacing: 0.02em;
}

.hero__eyebrow-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-accent-light);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.hero__title {
  margin-bottom: var(--space-6);
}

.hero__title em {
  font-style: normal;
  color: var(--color-accent-light);
}

.hero__subtitle {
  font-size: 1.1875rem;
  line-height: 1.65;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-10);
  max-width: 46ch;
}

.hero__ctas {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.hero__visual {
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero__waves {
  position: relative;
  width: 100%;
  aspect-ratio: 4/3;
  border-radius: var(--radius-xl);
  overflow: hidden;
}

#hero-waves-canvas {
  display: block;
  width: 100%;
  height: 100%;
  position: absolute;
  inset: 0;
}

/* Fades canvas edges into the hero background */
.hero__waves-fade {
  position: absolute;
  inset: 0;
  pointer-events: none;
  border-radius: inherit;
  background:
    linear-gradient(to right, var(--color-bg-hero) 0%, transparent 22%),
    linear-gradient(to left,  var(--color-bg-hero) 0%, transparent 18%),
    linear-gradient(to bottom, var(--color-bg-hero) 0%, transparent 18%),
    linear-gradient(to top,    var(--color-bg-hero) 0%, transparent 18%);
}

@media (max-width: 900px) {
  .hero__inner {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero__subtitle {
    margin-left: auto;
    margin-right: auto;
  }

  .hero__ctas {
    justify-content: center;
  }

  .hero__visual {
    order: -1;
  }

  .hero__waves {
    aspect-ratio: 3/2;
  }
}

@media (max-width: 480px) {
  .hero {
    padding-top: calc(var(--nav-height) + var(--space-12));
    padding-bottom: var(--space-16);
  }
}

/* ── Problem section ──────────────────────────────────────── */
.problem {
  background-color: var(--color-bg-base);
}

.problem__card {
  position: relative;
  padding-left: var(--space-8);
}

.problem__card::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--color-accent), transparent);
  border-radius: 2px;
}

.problem__card h3 {
  margin-bottom: var(--space-3);
}

/* ── How it works ─────────────────────────────────────────── */
.how-it-works {
  background-color: var(--color-bg-surface);
}

.steps {
  display: flex;
  flex-direction: column;
  gap: 0;
  max-width: 780px;
  margin: 0 auto;
  position: relative;
}

.steps::before {
  content: '';
  position: absolute;
  left: 27px;
  top: 44px;
  bottom: 44px;
  width: 2px;
  background: linear-gradient(to bottom, var(--color-accent), var(--color-accent-dim));
  border-radius: 2px;
}

.step {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: var(--space-8);
  align-items: flex-start;
  padding: var(--space-8) 0;
}

.step__number {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--color-bg-card);
  border: 2px solid var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-accent-light);
  flex-shrink: 0;
  position: relative;
  z-index: 1;
  box-shadow: 0 0 0 6px var(--color-bg-surface);
}

.step__content h3 {
  margin-bottom: var(--space-3);
  padding-top: var(--space-4);
}

.step__content p {
  font-size: 1.0625rem;
  line-height: 1.65;
}

.step__code {
  margin-top: var(--space-4);
  background: var(--color-bg-input);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-md);
  padding: var(--space-4) var(--space-5);
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--color-accent-light);
  white-space: pre;
  overflow-x: auto;
}

@media (max-width: 640px) {
  .steps::before { left: 23px; }
  .step { grid-template-columns: 48px 1fr; gap: var(--space-5); }
  .step__number { width: 48px; height: 48px; font-size: 1.0625rem; }
}

/* ── Use cases ────────────────────────────────────────────── */
.use-cases {
  background-color: var(--color-bg-base);
}

.tabs {
  display: flex;
  gap: var(--space-2);
  border-bottom: 1px solid var(--color-border-subtle);
  margin-bottom: var(--space-8);
  overflow-x: auto;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

.tabs::-webkit-scrollbar { display: none; }

.tab-btn {
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-md) var(--radius-md) 0 0;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  white-space: nowrap;
  transition: color var(--transition-fast), border-color var(--transition-fast);
  cursor: pointer;
}

.tab-btn:hover {
  color: var(--color-text-primary);
}

.tab-btn.is-active {
  color: var(--color-accent-light);
  border-bottom-color: var(--color-accent);
}

.tab-panel {
  display: none;
}

.tab-panel.is-active {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-10);
  align-items: center;
  animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.tab-panel__content h3 {
  font-size: 1.5rem;
  margin-bottom: var(--space-4);
}

.tab-panel__content p {
  font-size: 1.0625rem;
  line-height: 1.7;
  margin-bottom: var(--space-6);
}

.tab-panel__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-success);
  background: rgba(62, 207, 142, 0.08);
  border: 1px solid rgba(62, 207, 142, 0.2);
  border-radius: 100px;
  padding: 0.3125rem var(--space-3);
}

.tab-panel__visual {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  min-height: 220px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.tab-visual-diagram {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  width: 100%;
}

.tab-visual-row {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
}

.tab-visual-label {
  background: var(--color-accent-dim);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: var(--space-2) var(--space-3);
  color: var(--color-accent-light);
  white-space: nowrap;
}

.tab-visual-arrow {
  color: var(--color-text-muted);
  font-size: 1rem;
  flex-shrink: 0;
}

.tab-visual-value {
  color: var(--color-text-primary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

@media (max-width: 768px) {
  .tab-panel.is-active {
    grid-template-columns: 1fr;
  }

  .tab-panel__visual {
    display: none;
  }
}

/* ── Compatibility ────────────────────────────────────────── */
.compatibility {
  background-color: var(--color-bg-surface);
}

.compat-logos {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-8);
  flex-wrap: wrap;
  margin-top: var(--space-12);
  margin-bottom: var(--space-8);
}

.compat-logo {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
}

.compat-logo__icon {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-lg);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: border-color var(--transition-normal), box-shadow var(--transition-normal);
}

.compat-logo:hover .compat-logo__icon {
  border-color: var(--color-border);
  box-shadow: var(--shadow-card);
}

.compat-logo__name {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--color-text-muted);
}

.compat-transports {
  text-align: center;
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
}

.compat-transports strong {
  color: var(--color-text-primary);
}

/* ── Security ─────────────────────────────────────────────── */
.security {
  background-color: var(--color-bg-base);
}

/* ── Integrations ─────────────────────────────────────────── */
.integrations {
  background-color: var(--color-bg-surface);
}

.integration-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: var(--space-4);
  margin-top: var(--space-12);
}

.integration-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-md);
  padding: var(--space-5) var(--space-4);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
  text-align: center;
  transition: border-color var(--transition-normal), transform var(--transition-fast);
  position: relative;
}

.integration-card:hover {
  border-color: var(--color-border);
  transform: translateY(-2px);
}

.integration-card__icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-accent-dim);
}

.integration-card__icon svg {
  width: 22px;
  height: 22px;
  color: var(--color-accent-light);
}

.integration-card__name {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text-primary);
}

.integration-card__badge {
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 2px 8px;
  border-radius: 100px;
}

.badge--soon {
  background: rgba(128, 64, 192, 0.12);
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
}

.badge--live {
  background: rgba(62, 207, 142, 0.1);
  color: var(--color-success);
  border: 1px solid rgba(62, 207, 142, 0.2);
}

/* ── Pricing ──────────────────────────────────────────────── */
.pricing {
  background-color: var(--color-bg-hero);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
  margin-top: var(--space-12);
  align-items: start;
}

.pricing-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  position: relative;
  transition: border-color var(--transition-normal), box-shadow var(--transition-normal);
}

.pricing-card:hover {
  border-color: var(--color-border);
  box-shadow: var(--shadow-card);
}

.pricing-card--featured {
  border-color: var(--color-accent);
  background: linear-gradient(135deg, var(--color-bg-card), rgba(128,64,192,0.06));
  box-shadow: 0 0 0 1px var(--color-accent), var(--shadow-glow);
}

.pricing-card--featured:hover {
  box-shadow: 0 0 0 1px var(--color-accent-light), 0 0 40px var(--color-accent-glow);
}

.pricing-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-accent);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.2rem 0.875rem;
  border-radius: 100px;
  white-space: nowrap;
}

.pricing-plan {
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
}

.pricing-price {
  display: flex;
  align-items: baseline;
  gap: var(--space-1);
  margin-bottom: var(--space-2);
}

.pricing-price__amount {
  font-size: 2.75rem;
  font-weight: 700;
  color: var(--color-text-inverse);
  letter-spacing: -0.04em;
  line-height: 1;
}

.pricing-price__currency {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-text-secondary);
  margin-top: 0.375rem;
}

.pricing-price__period {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
}

.pricing-desc {
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-6);
  min-height: 2.5em;
}

.pricing-divider {
  height: 1px;
  background: var(--color-border-subtle);
  margin: var(--space-6) 0;
}

.pricing-features {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-bottom: var(--space-8);
}

.pricing-feature {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
}

.pricing-feature svg {
  width: 16px;
  height: 16px;
  color: var(--color-success);
  flex-shrink: 0;
  margin-top: 3px;
}

.pricing-feature--disabled {
  color: var(--color-text-muted);
}

.pricing-feature--disabled svg {
  color: var(--color-text-muted);
}

.pricing-cta {
  width: 100%;
  justify-content: center;
}

@media (max-width: 1024px) {
  .pricing-grid {
    grid-template-columns: 1fr;
    max-width: 480px;
    margin-left: auto;
    margin-right: auto;
  }
}

/* ── Social Proof ─────────────────────────────────────────── */
.social-proof {
  background-color: var(--color-bg-base);
}

.testimonials-placeholder {
  text-align: center;
  padding: var(--space-16) 0;
  color: var(--color-text-muted);
  font-style: italic;
  border: 1px dashed var(--color-border-subtle);
  border-radius: var(--radius-lg);
}

/* ── FAQ ──────────────────────────────────────────────────── */
.faq {
  background-color: var(--color-bg-surface);
}

.faq-list {
  max-width: 720px;
  margin: var(--space-12) auto 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.faq-item {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--transition-normal);
}

.faq-item[open] {
  border-color: var(--color-border);
}

.faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-5) var(--space-6);
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text-primary);
  gap: var(--space-4);
  transition: color var(--transition-fast);
}

.faq-item summary:hover {
  color: var(--color-text-inverse);
}

.faq-item[open] summary {
  color: var(--color-accent-light);
}

.faq-chevron {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  color: var(--color-text-muted);
  transition: transform var(--transition-fast);
}

.faq-item[open] .faq-chevron {
  transform: rotate(180deg);
  color: var(--color-accent-light);
}

.faq-answer {
  padding: 0 var(--space-6) var(--space-5);
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--color-text-secondary);
  border-top: 1px solid var(--color-border-subtle);
  padding-top: var(--space-4);
}

/* ── Contact form ─────────────────────────────────────────── */
.contact {
  background-color: var(--color-bg-hero);
}

.contact__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: start;
}

.contact__info {
  padding-top: var(--space-4);
}

.contact__info h2 {
  margin-bottom: var(--space-4);
}

.contact__info p {
  font-size: 1.0625rem;
  line-height: 1.65;
  margin-bottom: var(--space-8);
}

.contact__alt {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.contact__alt-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
}

.contact__alt-item svg {
  width: 18px;
  height: 18px;
  color: var(--color-accent-light);
  flex-shrink: 0;
}

.contact__alt-item a {
  color: var(--color-accent-light);
  transition: color var(--transition-fast);
}

.contact__alt-item a:hover {
  color: var(--color-text-inverse);
}

.contact-form {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
}

.form-group {
  margin-bottom: var(--space-5);
}

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: var(--space-2);
}

.form-label span {
  color: var(--color-text-muted);
  font-weight: 400;
  margin-left: var(--space-1);
}

.form-input,
.form-textarea {
  width: 100%;
  background: var(--color-bg-input);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-md);
  padding: 0.6875rem var(--space-4);
  font-size: 0.9375rem;
  color: var(--color-text-primary);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  outline: none;
  -webkit-appearance: none;
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--color-text-muted);
}

.form-input:focus,
.form-textarea:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(128, 64, 192, 0.15);
}

.form-input.is-error,
.form-textarea.is-error {
  border-color: var(--color-error);
}

.form-textarea {
  resize: vertical;
  min-height: 120px;
  line-height: 1.5;
}

.form-error {
  font-size: 0.8125rem;
  color: var(--color-error);
  margin-top: var(--space-2);
  display: none;
}

.form-error.is-visible {
  display: block;
}

.form-submit {
  width: 100%;
  justify-content: center;
  margin-top: var(--space-2);
}

.form-feedback {
  border-radius: var(--radius-md);
  padding: var(--space-4) var(--space-5);
  font-size: 0.9375rem;
  display: none;
  margin-top: var(--space-4);
}

.form-feedback.is-success {
  display: block;
  background: rgba(62, 207, 142, 0.08);
  border: 1px solid rgba(62, 207, 142, 0.2);
  color: var(--color-success);
}

.form-feedback.is-error {
  display: block;
  background: rgba(255, 77, 106, 0.08);
  border: 1px solid rgba(255, 77, 106, 0.2);
  color: var(--color-error);
}

.form-feedback a {
  color: inherit;
  text-decoration: underline;
  text-underline-offset: 2px;
}

@media (max-width: 900px) {
  .contact__inner {
    grid-template-columns: 1fr;
    gap: var(--space-10);
  }
}

/* ── Footer ───────────────────────────────────────────────── */
.footer {
  background-color: var(--color-bg-base);
  border-top: 1px solid var(--color-border-subtle);
  padding: var(--space-16) 0 var(--space-8);
}

.footer__top {
  display: grid;
  grid-template-columns: 1.5fr repeat(4, 1fr);
  gap: var(--space-10);
  margin-bottom: var(--space-12);
}

.footer__brand {}

.footer__logo-lockup {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-4);
  text-decoration: none;
  margin-bottom: var(--space-4);
}

.footer__mark {
  height: 174px;
  width: auto;
  flex-shrink: 0;
  display: block;
}

.footer__wordmark-group {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.footer__wordmark {
  font-family: var(--font-brand);
  font-weight: 700;
  font-size: clamp(44px, 5.2vw, 70px);
  letter-spacing: -0.045em;
  line-height: 0.95;
  margin: 0;
  color: var(--color-text-brand);
  display: flex;
  align-items: baseline;
}

.footer__dot {
  display: inline-block;
  width: 0.16em;
  height: 0.16em;
  background: var(--color-mint);
  border-radius: 2px;
  margin-left: 0.05em;
  transform: translateY(-0.06em);
  flex-shrink: 0;
}

.footer__brand-tagline {
  font-family: var(--font-mono);
  font-weight: 400;
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  opacity: 0.7;
  color: var(--color-text-brand);
  margin: 0;
  white-space: nowrap;
}

.footer__col-title {
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: var(--space-5);
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer__link {
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
}

.footer__link:hover {
  color: var(--color-text-primary);
}

.footer__bottom {
  display: flex;
  align-items: center;
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-border-subtle);
}

.footer__copyright {
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

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

  .footer__brand {
    grid-column: 1 / -1;
  }
}

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

@media (max-width: 400px) {
  .footer__top {
    grid-template-columns: 1fr;
  }
}

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

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

.reveal--delay-1 { transition-delay: 0.1s; }
.reveal--delay-2 { transition-delay: 0.2s; }
.reveal--delay-3 { transition-delay: 0.3s; }
.reveal--delay-4 { transition-delay: 0.4s; }

/* ── Utility classes ──────────────────────────────────────── */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

.mt-2  { margin-top: var(--space-2); }
.mt-4  { margin-top: var(--space-4); }
.mt-6  { margin-top: var(--space-6); }
.mt-8  { margin-top: var(--space-8); }
.mt-12 { margin-top: var(--space-12); }

.mb-2  { margin-bottom: var(--space-2); }
.mb-4  { margin-bottom: var(--space-4); }
.mb-6  { margin-bottom: var(--space-6); }
.mb-8  { margin-bottom: var(--space-8); }
.mb-12 { margin-bottom: var(--space-12); }

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

/* ── AI Queries / Cross-tool section ─────────────────────── */
.ai-queries {
  background-color: var(--color-bg-base);
}

.ai-queries .section-subheading em {
  font-style: normal;
  color: var(--color-accent-light);
}

.query-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

@media (max-width: 1024px) {
  .query-grid { grid-template-columns: 1fr; max-width: 600px; margin-left: auto; margin-right: auto; }
}

.query-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--space-7) var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
  transition: border-color var(--transition-normal), box-shadow var(--transition-normal);
}

.query-card:hover {
  border-color: var(--color-border);
  box-shadow: var(--shadow-card);
}

.query-text {
  font-size: 1.0625rem;
  font-style: italic;
  color: var(--color-text-primary);
  line-height: 1.6;
  flex: 1;
}

.query-tools {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.query-tool {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  background: var(--color-accent-dim);
  color: var(--color-accent-light);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 0.2rem 0.625rem;
}

.query-sep {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  font-weight: 600;
}

.query-footnote {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  line-height: 1.5;
  margin: 0;
}

.ai-queries__callout {
  max-width: 68ch;
  margin-left: auto;
  margin-right: auto;
  text-align: center;
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
  border-top: 1px solid var(--color-border-subtle);
  padding-top: var(--space-8);
}

.ai-queries__disclaimer {
  max-width: 60ch;
  margin: var(--space-5) auto 0;
  text-align: center;
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  line-height: 1.6;
  font-style: italic;
}