/* ============================================================
   GradeWatch — style.css
   Palette: deep navy/ink surfaces + single grade-green accent,
   with a dedicated A–F grade-tier color system used only for
   grade badges/chips (green/amber/red), never as the UI accent.
   Fonts: Erode (display, academic serif) + Source Sans 3 (body)
            + JetBrains Mono for grade codes/metadata.
   ============================================================ */

:root,
[data-theme='light'] {
  /* Surfaces — cool paper/ink, academic */
  --color-bg: #f4f5f8;
  --color-surface: #ffffff;
  --color-surface-2: #fbfbfd;
  --color-surface-offset: #eceef3;
  --color-surface-offset-2: #e2e5ed;
  --color-surface-dynamic: #dadde7;
  --color-divider: #dcdfe8;
  --color-border: #cdd1de;

  /* Text — ink */
  --color-text: #10182b;
  --color-text-muted: #5b6478;
  --color-text-faint: #9aa1b3;
  --color-text-inverse: #f5f6fa;

  /* Primary accent — grade green (single UI accent) */
  --color-primary: #1c7a52;
  --color-primary-hover: #145f40;
  --color-primary-active: #0f4a32;
  --color-primary-highlight: #cfe8db;

  /* Warning / Error reuse semantic roles */
  --color-warning: #b5760f;
  --color-warning-hover: #93600c;
  --color-warning-active: #744b0a;
  --color-warning-highlight: #ecdcbd;

  --color-error: #b3402f;
  --color-error-hover: #8f3125;
  --color-error-active: #6f261d;
  --color-error-highlight: #ecd3cd;

  --color-notification: #b3402f;
  --color-notification-hover: #8f3125;
  --color-notification-active: #6f261d;
  --color-notification-highlight: #ecd3cd;

  /* Grade-tier system — used only on grade badges/chips */
  --grade-a-fg: #1c7a52;
  --grade-a-bg: #dcefe4;
  --grade-b-fg: #7a6a12;
  --grade-b-bg: #f2e9c8;
  --grade-c-fg: #9a5f10;
  --grade-c-bg: #f3e0c3;
  --grade-d-fg: #ad4a1e;
  --grade-d-bg: #f2dbc9;
  --grade-f-fg: #a5362a;
  --grade-f-bg: #f2d3cd;

  --color-success: #1c7a52;
  --color-success-hover: #145f40;
  --color-success-active: #0f4a32;
  --color-success-highlight: #cfe8db;

  --color-blue: #2a5f9e;
  --color-blue-hover: #1f4a7d;
  --color-blue-active: #163a63;
  --color-blue-highlight: #cddbec;

  --color-purple: #6a4c9e;
  --color-purple-hover: #543c80;
  --color-purple-active: #3f2d61;
  --color-purple-highlight: #ded4ee;

  --color-orange: #b5760f;
  --color-gold: #9a5f10;
  --color-yellow: #9a5f10;

  /* Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;

  --transition-interactive: 180ms cubic-bezier(0.16, 1, 0.3, 1);

  --shadow-sm: 0 1px 2px oklch(0.15 0.03 250 / 0.08);
  --shadow-md: 0 4px 14px oklch(0.15 0.03 250 / 0.1);
  --shadow-lg: 0 16px 40px oklch(0.15 0.03 250 / 0.16);

  --content-narrow: 640px;
  --content-default: 1000px;
  --content-wide: 1220px;
  --content-full: 100%;

  --font-display: 'Erode', 'Georgia', serif;
  --font-body: 'Source Sans 3', 'Helvetica Neue', sans-serif;
  --font-mono: 'JetBrains Mono', 'Menlo', monospace;
}

/* DARK MODE — GradeWatch defaults to light (paper/ink) by default,
   since the report-card metaphor reads best on light surfaces, but
   a full dark variant (deep navy) is provided via the toggle. */
[data-theme='dark'] {
  --color-bg: #0b1220;
  --color-surface: #101a2e;
  --color-surface-2: #131f37;
  --color-surface-offset: #16223c;
  --color-surface-offset-2: #1a2744;
  --color-surface-dynamic: #203050;
  --color-divider: #223055;
  --color-border: #2b3a60;

  --color-text: #e7eaf3;
  --color-text-muted: #9aa6c2;
  --color-text-faint: #6b7796;
  --color-text-inverse: #0b1220;

  --color-primary: #3ecf8e;
  --color-primary-hover: #6bdca6;
  --color-primary-active: #8ce4ba;
  --color-primary-highlight: #1c3a2e;

  --color-warning: #e0a940;
  --color-warning-hover: #ecc06a;
  --color-warning-active: #f3d18d;
  --color-warning-highlight: #3d3320;

  --color-error: #e2685a;
  --color-error-hover: #ec8a7f;
  --color-error-active: #f2a89e;
  --color-error-highlight: #3d2724;

  --color-notification: #e2685a;
  --color-notification-hover: #ec8a7f;
  --color-notification-active: #f2a89e;
  --color-notification-highlight: #3d2724;

  --grade-a-fg: #6bdca6;
  --grade-a-bg: #163023;
  --grade-b-fg: #e6cf72;
  --grade-b-bg: #362e15;
  --grade-c-fg: #eba85a;
  --grade-c-bg: #3a2814;
  --grade-d-fg: #ec8a5b;
  --grade-d-bg: #3a2517;
  --grade-f-fg: #ec8478;
  --grade-f-bg: #3a1e1a;

  --color-success: #3ecf8e;
  --color-success-hover: #6bdca6;
  --color-success-active: #8ce4ba;
  --color-success-highlight: #1c3a2e;

  --color-blue: #6ea3dd;
  --color-blue-hover: #93bce7;
  --color-blue-active: #b5d1ef;
  --color-blue-highlight: #22314d;

  --color-purple: #a794dd;
  --color-purple-hover: #bfaee6;
  --color-purple-active: #d5c8ef;
  --color-purple-highlight: #2c2749;

  --shadow-sm: 0 1px 2px oklch(0 0 0 / 0.35);
  --shadow-md: 0 4px 14px oklch(0 0 0 / 0.45);
  --shadow-lg: 0 16px 40px oklch(0 0 0 / 0.55);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --color-bg: #0b1220;
    --color-surface: #101a2e;
    --color-surface-2: #131f37;
    --color-surface-offset: #16223c;
    --color-surface-offset-2: #1a2744;
    --color-surface-dynamic: #203050;
    --color-divider: #223055;
    --color-border: #2b3a60;
    --color-text: #e7eaf3;
    --color-text-muted: #9aa6c2;
    --color-text-faint: #6b7796;
    --color-text-inverse: #0b1220;
    --color-primary: #3ecf8e;
    --color-primary-hover: #6bdca6;
    --color-primary-active: #8ce4ba;
    --color-primary-highlight: #1c3a2e;
    --grade-a-fg: #6bdca6;
    --grade-a-bg: #163023;
    --grade-b-fg: #e6cf72;
    --grade-b-bg: #362e15;
    --grade-c-fg: #eba85a;
    --grade-c-bg: #3a2814;
    --grade-d-fg: #ec8a5b;
    --grade-d-bg: #3a2517;
    --grade-f-fg: #ec8478;
    --grade-f-bg: #3a1e1a;
    --shadow-sm: 0 1px 2px oklch(0 0 0 / 0.35);
    --shadow-md: 0 4px 14px oklch(0 0 0 / 0.45);
    --shadow-lg: 0 16px 40px oklch(0 0 0 / 0.55);
  }
}

/* ============ TYPE SCALE ============ */
:root {
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.75vw, 1.5rem);
  --text-xl: clamp(1.5rem, 1.2rem + 1.25vw, 2.25rem);
  --text-2xl: clamp(2rem, 1.2rem + 2.5vw, 3.5rem);
  --text-3xl: clamp(2.5rem, 1rem + 4vw, 5rem);
  --text-hero: clamp(3rem, 0.5rem + 7vw, 8rem);

  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;
}

/* ============ BASE ============ */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--color-text);
}

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

.container {
  width: 100%;
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: var(--space-6);
}

main, header, footer, section {
  overflow-x: hidden;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--color-primary);
  color: var(--color-text-inverse);
  padding: var(--space-3) var(--space-4);
  z-index: 200;
  border-radius: var(--radius-sm);
}
.skip-link:focus {
  left: var(--space-4);
  top: var(--space-4);
}

.eyebrow {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-3);
}

.section-head {
  max-width: 56ch;
  margin-bottom: var(--space-12);
}
.section-head h2 {
  font-size: var(--text-xl);
  margin-bottom: var(--space-4);
}
.section-head p {
  color: var(--color-text-muted);
  font-size: var(--text-base);
}

section {
  padding-block: clamp(var(--space-16), 8vw, var(--space-24));
}

/* ============ BUTTONS ============ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: 600;
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  white-space: nowrap;
}
.btn-primary {
  background: var(--color-primary);
  color: var(--color-text-inverse);
}
.btn-primary:hover {
  background: var(--color-primary-hover);
}
.btn-ghost {
  background: transparent;
  border-color: var(--color-border);
  color: var(--color-text);
}
.btn-ghost:hover {
  background: var(--color-surface-offset);
}
.btn-lg {
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-base);
}
.btn-block {
  width: 100%;
}

/* ============ HEADER ============ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: color-mix(in oklab, var(--color-bg) 88%, transparent);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-divider);
  transition: box-shadow var(--transition-interactive);
}
.site-header.is-scrolled {
  box-shadow: var(--shadow-sm);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
  padding-block: var(--space-4);
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-text);
  flex-shrink: 0;
}
.brand-mark {
  width: 30px;
  height: 30px;
  color: var(--color-primary);
  flex-shrink: 0;
}
.brand-name {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
}
.main-nav ul {
  display: flex;
  gap: var(--space-8);
}
.main-nav a {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
}
.main-nav a:hover {
  color: var(--color-text);
}
.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}
.theme-toggle,
.nav-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
}
.theme-toggle:hover,
.nav-toggle:hover {
  background: var(--color-surface-offset);
  color: var(--color-text);
}
.nav-toggle {
  display: none;
}

.mobile-nav {
  display: none;
}
.mobile-nav ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  padding: var(--space-2) 0 var(--space-4);
}
.mobile-nav a {
  display: block;
  font-size: var(--text-base);
  font-weight: 500;
  color: var(--color-text);
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--color-divider);
}

@media (max-width: 940px) {
  .main-nav,
  .header-actions .btn-primary {
    display: none;
  }
  .nav-toggle {
    display: inline-flex;
  }
  .mobile-nav {
    width: 100%;
    border-top: 1px solid var(--color-divider);
  }
  .mobile-nav .container {
    padding-inline: var(--space-6);
  }
  .mobile-nav--open {
    display: block;
  }
}

/* ============ HERO ============ */
.hero {
  padding-block: clamp(var(--space-16), 10vw, var(--space-32)) clamp(var(--space-12), 6vw, var(--space-20));
}
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
  gap: clamp(var(--space-10), 5vw, var(--space-20));
  align-items: center;
}
.hero-copy h1 {
  font-size: var(--text-2xl);
  line-height: 1.08;
  margin-bottom: var(--space-6);
}
.hero-copy h1 em {
  font-style: italic;
  color: var(--color-primary);
}
.hero-copy .lede {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  max-width: 50ch;
  margin-bottom: var(--space-8);
}
.hero-actions {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
  margin-bottom: var(--space-6);
}
.hero-fineprint {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-text-faint);
}
.hero-fineprint svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  color: var(--color-primary);
}

/* ============ REPORT CARD (hero visual) ============ */
.hero-visual {
  min-width: 0;
}
.report-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  padding: var(--space-6);
  max-width: 440px;
  margin-inline: auto;
}
.report-card__header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-4);
  padding-bottom: var(--space-5);
  border-bottom: 1px solid var(--color-divider);
  margin-bottom: var(--space-5);
}
.report-card__subject {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  min-width: 0;
}
.report-card__kicker {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.report-card__name {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
}
.report-card__grade-badge {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-lg);
  flex-shrink: 0;
}
.report-card__grade-letter {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  line-height: 1;
}
.report-card__grade-label {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  white-space: nowrap;
}

.report-card__trend {
  margin-bottom: var(--space-5);
}
.report-card__trend-label {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: var(--space-3);
}
.report-card__trend-label svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}
.trend-chart svg {
  width: 100%;
  height: 52px;
  color: var(--color-primary);
  overflow: visible;
}
.trend-chart__terms {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  margin-top: var(--space-1);
}

.report-card__rows {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-bottom: var(--space-5);
}
.report-card__row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding: var(--space-3);
  background: var(--color-surface-offset);
  border-radius: var(--radius-md);
}
.report-card__row-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}
.report-card__row-title {
  font-size: var(--text-sm);
  font-weight: 600;
}
.report-card__row-source {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}
.report-card__row-grade {
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 700;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-sm);
  flex-shrink: 0;
}

.report-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-divider);
  flex-wrap: wrap;
}
.report-card__share {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  color: var(--color-primary);
  font-weight: 600;
}
.report-card__share svg {
  width: 14px;
  height: 14px;
}

/* ============ GRADE TIER COLORS ============ */
.grade-tier-a { color: var(--grade-a-fg); background: var(--grade-a-bg); }
.grade-tier-b { color: var(--grade-b-fg); background: var(--grade-b-bg); }
.grade-tier-c { color: var(--grade-c-fg); background: var(--grade-c-bg); }
.grade-tier-d { color: var(--grade-d-fg); background: var(--grade-d-bg); }
.grade-tier-f { color: var(--grade-f-fg); background: var(--grade-f-bg); }

/* ============ HOW IT WORKS ============ */
.steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-8);
}
.step-card {
  position: relative;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-8) var(--space-6);
}
.step-card:nth-child(2) {
  transform: translateY(clamp(0px, 2vw, 20px));
}
.step-icon {
  width: 28px;
  height: 28px;
  color: var(--color-primary);
  margin-bottom: var(--space-6);
}
.step-index {
  position: absolute;
  top: var(--space-6);
  right: var(--space-6);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}
.step-card h3 {
  font-size: var(--text-lg);
  margin-bottom: var(--space-3);
}
.step-card p {
  font-size: var(--text-base);
  color: var(--color-text-muted);
}

/* ============ DEMO GRID ============ */
.demo-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-6);
}
.demo-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}
.demo-card__top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-3);
}
.demo-card__subject {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}
.demo-card__type {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-text-faint);
}
.demo-card__name {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
}
.grade-chip {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-lg);
  padding: var(--space-1) var(--space-4);
  border-radius: var(--radius-md);
  flex-shrink: 0;
}
.demo-card__justification {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  flex-grow: 1;
}
.demo-card__trend {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: 600;
  padding-top: var(--space-3);
  border-top: 1px solid var(--color-divider);
}
.demo-card__trend svg {
  width: 15px;
  height: 15px;
  flex-shrink: 0;
}
.demo-card__trend.up { color: var(--color-primary); }
.demo-card__trend.down { color: var(--color-error); }
.demo-card__trend.flat { color: var(--color-text-faint); }

/* ============ TRUST ============ */
.trust-section {
  background: var(--color-surface-offset);
}
.trust-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  gap: clamp(var(--space-10), 5vw, var(--space-20));
}
.trust-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
}
.trust-item {
  display: flex;
  gap: var(--space-4);
}
.trust-item svg {
  width: 26px;
  height: 26px;
  color: var(--color-primary);
  flex-shrink: 0;
  margin-top: var(--space-1);
}
.trust-item h3 {
  font-size: var(--text-lg);
  margin-bottom: var(--space-2);
}
.trust-item p {
  font-size: var(--text-base);
  color: var(--color-text-muted);
}

/* ============ AUDIENCE ============ */
.audience-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-8);
}
.audience-card svg {
  width: 26px;
  height: 26px;
  color: var(--color-primary);
  margin-bottom: var(--space-5);
}
.audience-card h3 {
  font-size: var(--text-lg);
  margin-bottom: var(--space-3);
}
.audience-card p {
  font-size: var(--text-base);
  color: var(--color-text-muted);
}

/* ============ WAITLIST ============ */
.waitlist-section {
  --waitlist-fg: var(--color-text-inverse);
  background: var(--color-text);
  color: var(--waitlist-fg);
}
[data-theme='dark'] .waitlist-section {
  --waitlist-fg: var(--color-text);
  background: var(--color-surface-offset-2);
}
.waitlist-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(var(--space-10), 5vw, var(--space-20));
  align-items: start;
}
.waitlist-copy h2 {
  color: var(--waitlist-fg);
  font-size: var(--text-xl);
  margin-bottom: var(--space-4);
}
.waitlist-copy p {
  color: color-mix(in oklab, var(--waitlist-fg) 72%, transparent);
  font-size: var(--text-base);
  max-width: 42ch;
}
.waitlist-copy .eyebrow {
  color: var(--color-primary-active);
}
[data-theme='dark'] .waitlist-copy .eyebrow {
  color: var(--color-primary);
}

.waitlist-form {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
  color: var(--color-text);
}
.form-row {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.form-row label {
  font-size: var(--text-sm);
  font-weight: 600;
}
.form-row input,
.form-row select {
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface-2);
  font-size: var(--text-base);
}
.form-row input:focus-visible,
.form-row select:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}
.form-disclaimer {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  text-align: center;
}

.waitlist-success {
  display: none;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--space-3);
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: var(--space-10) var(--space-8);
  color: var(--color-text);
}
.waitlist-success.is-visible {
  display: flex;
}
.waitlist-form.is-hidden {
  display: none;
}
.icon-badge {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-full);
  background: var(--color-primary-highlight);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
}
.icon-badge svg {
  width: 24px;
  height: 24px;
}
.waitlist-success h3 {
  font-size: var(--text-lg);
}
.waitlist-success p {
  color: var(--color-text-muted);
  font-size: var(--text-base);
  max-width: 34ch;
}
.queue-code {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  letter-spacing: 0.04em;
}

/* ============ FOOTER ============ */
.site-footer {
  border-top: 1px solid var(--color-divider);
  padding-block: var(--space-16);
}
.footer-top {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
  gap: var(--space-12);
  padding-bottom: var(--space-10);
  border-bottom: 1px solid var(--color-divider);
}
.footer-brand {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  max-width: 40ch;
}
.footer-brand p {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}
.footer-nav {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-8);
}
.footer-nav-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.footer-nav-group h4 {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-faint);
  margin-bottom: var(--space-1);
}
.footer-nav-group a {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}
.footer-nav-group a:hover {
  color: var(--color-text);
}
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-4);
  flex-wrap: wrap;
  padding-top: var(--space-8);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}
.footer-family-note strong {
  color: var(--color-text-muted);
}

/* ============ RESPONSIVE ============ */
@media (max-width: 940px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }
  .hero-visual {
    order: -1;
  }
  .steps,
  .demo-grid,
  .audience-grid {
    grid-template-columns: 1fr;
  }
  .step-card:nth-child(2) {
    transform: none;
  }
  .trust-grid,
  .waitlist-panel,
  .footer-top {
    grid-template-columns: 1fr;
  }
  .footer-nav {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 560px) {
  .hero-copy h1 {
    font-size: clamp(2rem, 8vw, 2.75rem);
  }
  .report-card {
    max-width: 100%;
    padding: var(--space-5);
  }
  .report-card__row {
    flex-wrap: wrap;
  }
  .waitlist-form {
    padding: var(--space-6);
  }
  .footer-nav {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-6);
  }
  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }
}