/* ==========================================================
   CALLD — design tokens + components
   Vibe: sharp, confident, "I told you so".
   Palette: near-black + signal green accent.
   Type: Space Grotesk display + Inter body.
   ========================================================== */

:root {
  /* Type scale (fluid) */
  --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);

  /* Spacing 4px */
  --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;

  --radius-sm: 0.375rem;
  --radius-md: 0.625rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
  --radius-full: 9999px;

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

  --content-narrow: 640px;
  --content-default: 1080px;
  --content-wide: 1280px;

  --font-display: 'Space Grotesk', 'Inter', system-ui, sans-serif;
  --font-body: 'Inter', system-ui, sans-serif;
  --font-mono: ui-monospace, 'SF Mono', Menlo, monospace;
}

/* ----- DARK (default) ----- */
:root,
[data-theme="dark"] {
  --color-bg: #0a0a0a;
  --color-surface: #111111;
  --color-surface-2: #161616;
  --color-surface-offset: #1c1c1c;
  --color-surface-offset-2: #232323;
  --color-divider: #1f1f1f;
  --color-border: #2a2a2a;
  --color-border-strong: #3a3a3a;

  --color-text: #f4f4f4;
  --color-text-muted: #9a9a9a;
  --color-text-faint: #5e5e5e;
  --color-text-inverse: #0a0a0a;

  --color-primary: #00e676;          /* signal green */
  --color-primary-hover: #00ff84;
  --color-primary-active: #00b85f;
  --color-primary-highlight: rgba(0, 230, 118, 0.12);

  --color-yes: #00e676;
  --color-no: #ff5577;

  --shadow-sm: 0 1px 2px rgba(0,0,0,0.4);
  --shadow-md: 0 8px 24px rgba(0,0,0,0.45);
  --shadow-lg: 0 24px 64px rgba(0,0,0,0.55);
  --glow-primary: 0 0 0 1px rgba(0,230,118,0.35), 0 8px 32px rgba(0,230,118,0.18);
}

/* ----- LIGHT ----- */
[data-theme="light"] {
  --color-bg: #fafafa;
  --color-surface: #ffffff;
  --color-surface-2: #f5f5f5;
  --color-surface-offset: #ececec;
  --color-surface-offset-2: #e2e2e2;
  --color-divider: #e8e8e8;
  --color-border: #d4d4d4;
  --color-border-strong: #b8b8b8;

  --color-text: #0a0a0a;
  --color-text-muted: #5a5a5a;
  --color-text-faint: #9a9a9a;
  --color-text-inverse: #ffffff;

  --color-primary: #00a854;
  --color-primary-hover: #008a45;
  --color-primary-active: #006e37;
  --color-primary-highlight: rgba(0, 168, 84, 0.10);

  --color-yes: #00a854;
  --color-no: #d63a59;

  --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
  --shadow-md: 0 8px 24px rgba(0,0,0,0.08);
  --shadow-lg: 0 24px 64px rgba(0,0,0,0.10);
  --glow-primary: 0 0 0 1px rgba(0,168,84,0.30), 0 8px 32px rgba(0,168,84,0.14);
}

/* ----- LAYOUT ----- */
.container {
  width: 100%;
  max-width: var(--content-wide);
  margin: 0 auto;
  padding-inline: clamp(var(--space-4), 4vw, var(--space-10));
}

.section {
  padding-block: clamp(var(--space-16), 9vw, var(--space-32));
  border-top: 1px solid var(--color-divider);
}

.section__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
}

.section__eyebrow::before {
  content: "";
  width: 24px; height: 1px;
  background: var(--color-border-strong);
  display: inline-block;
}

.section__title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-3);
  max-width: 22ch;
}

.section__sub {
  color: var(--color-text-muted);
  font-size: var(--text-base);
  margin-bottom: var(--space-10);
  max-width: 56ch;
}

/* ----- HEADER ----- */
.header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in oklab, var(--color-bg) 85%, transparent);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-divider);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
  padding-block: var(--space-4);
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-text);
  text-decoration: none;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--text-lg);
  letter-spacing: -0.02em;
}

.logo__mark { flex-shrink: 0; }
.logo__word { line-height: 1; }

.nav {
  display: flex;
  gap: var(--space-6);
}
.nav a {
  color: var(--color-text-muted);
  text-decoration: none;
  font-size: var(--text-sm);
  font-weight: 500;
}
.nav a:hover { color: var(--color-text); }

@media (max-width: 720px) {
  .nav { display: none; }
}

/* ----- BUTTONS ----- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-full);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: -0.005em;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  white-space: nowrap;
}
.btn--primary {
  background: var(--color-primary);
  color: #02160b;
}
.btn--primary:hover {
  background: var(--color-primary-hover);
  box-shadow: var(--glow-primary);
  transform: translateY(-1px);
}
.btn--primary:active { transform: translateY(0); }
.btn--lg {
  padding: var(--space-4) var(--space-6);
  font-size: var(--text-base);
}

[data-theme="light"] .btn--primary { color: #ffffff; }

/* ----- HERO ----- */
.hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(var(--space-16), 12vw, var(--space-32));
  isolation: isolate;
}

.hero__bg {
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
}

.hero__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, var(--color-divider) 1px, transparent 1px),
    linear-gradient(to bottom, var(--color-divider) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 30%, black 30%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 30%, black 30%, transparent 80%);
  opacity: 0.55;
}

.hero__glow {
  position: absolute;
  top: -10%;
  left: 50%;
  transform: translateX(-50%);
  width: min(900px, 90vw);
  height: 600px;
  background: radial-gradient(ellipse at center, var(--color-primary-highlight) 0%, transparent 70%);
  filter: blur(40px);
  opacity: 0.9;
}

.hero__inner {
  position: relative;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  background: color-mix(in oklab, var(--color-surface) 60%, transparent);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-bottom: var(--space-8);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
.eyebrow__dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--color-primary);
  box-shadow: 0 0 12px var(--color-primary);
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.hero__title {
  font-family: var(--font-display);
  font-size: var(--text-hero);
  font-weight: 700;
  letter-spacing: -0.045em;
  line-height: 0.92;
  margin-bottom: var(--space-6);
  max-width: 14ch;
}
.hero__title-accent {
  color: var(--color-primary);
  font-style: normal;
  position: relative;
  display: inline-block;
}
.hero__title-accent::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0.04em;
  height: 0.08em;
  background: currentColor;
  opacity: 0.25;
}

.hero__sub {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  max-width: 56ch;
  margin-bottom: var(--space-10);
  line-height: 1.55;
}

/* Beehiiv embed wrapper — same shape across hero + final CTA */
.signup-wrap {
  width: 100%;
  max-width: 560px;
  margin-bottom: var(--space-4);
  display: flex;
  justify-content: center;
}
.signup-wrap .beehiiv-embed {
  width: 100% !important;
  max-width: 560px !important;
  min-height: 220px;
  border: 0;
  background: transparent;
  display: block;
}

.hero__meta {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  letter-spacing: 0.02em;
}



/* ----- TICKER ----- */
.ticker {
  border-block: 1px solid var(--color-divider);
  background: var(--color-surface);
  padding-block: var(--space-4);
  overflow: hidden;
  position: relative;
}
.ticker::before, .ticker::after {
  content: "";
  position: absolute;
  top: 0; bottom: 0;
  width: 80px;
  z-index: 2;
  pointer-events: none;
}
.ticker::before {
  left: 0;
  background: linear-gradient(to right, var(--color-surface), transparent);
}
.ticker::after {
  right: 0;
  background: linear-gradient(to left, var(--color-surface), transparent);
}
.ticker__track {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  white-space: nowrap;
  animation: ticker 60s linear infinite;
  width: max-content;
}
.ticker__item {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}
.ticker__pct {
  color: var(--color-primary);
  font-weight: 700;
  margin-right: var(--space-2);
}
.ticker__sep {
  color: var(--color-text-faint);
  font-family: var(--font-mono);
}
@keyframes ticker {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* ----- HOW IT WORKS ----- */
.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--space-6);
  margin-top: var(--space-12);
}
.step {
  padding: var(--space-8);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: border-color var(--transition-interactive), transform var(--transition-interactive);
}
.step:hover {
  border-color: var(--color-border-strong);
  transform: translateY(-2px);
}
.step__num {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-primary);
  letter-spacing: 0.1em;
  margin-bottom: var(--space-6);
}
.step__title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-3);
}
.step__body {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  line-height: 1.6;
}

/* ----- QUESTIONS GRID ----- */
.qcards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--space-5);
}
.qcard {
  display: flex;
  flex-direction: column;
  padding: var(--space-6);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: border-color var(--transition-interactive), transform var(--transition-interactive);
}
.qcard:hover {
  border-color: var(--color-border-strong);
  transform: translateY(-2px);
}
.qcard__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}
.qcard__cat {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-muted);
  padding: var(--space-1) var(--space-3);
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
}
.qcard__live {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.qcard__live-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--color-primary);
  box-shadow: 0 0 8px var(--color-primary);
  animation: pulse 2s ease-in-out infinite;
}
.qcard__q {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 500;
  letter-spacing: -0.015em;
  line-height: 1.25;
  margin-bottom: var(--space-5);
  flex: 1;
}
.qcard__odds { margin-bottom: var(--space-4); }
.qcard__bar {
  width: 100%;
  height: 6px;
  background: var(--color-surface-offset);
  border-radius: var(--radius-full);
  overflow: hidden;
  margin-bottom: var(--space-3);
}
.qcard__bar-fill {
  height: 100%;
  background: var(--color-primary);
  border-radius: var(--radius-full);
  transition: width 600ms cubic-bezier(0.16, 1, 0.3, 1);
}
.qcard__nums {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.02em;
}
.qcard__nums .yes { color: var(--color-yes); }
.qcard__nums .no { color: var(--color-no); }
.qcard__meta {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  padding-top: var(--space-3);
  border-top: 1px solid var(--color-divider);
}

/* ----- BIG QUOTE ----- */
.quote {
  padding-block: clamp(var(--space-16), 9vw, var(--space-24));
  border-top: 1px solid var(--color-divider);
  background: var(--color-surface);
}
.quote blockquote {
  max-width: 22ch;
  margin: 0 auto;
  text-align: center;
}
.quote p {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 500;
  letter-spacing: -0.022em;
  line-height: 1.2;
  color: var(--color-text);
  margin-bottom: var(--space-6);
  max-width: none;
}
@media (min-width: 720px) {
  .quote blockquote { max-width: 32ch; }
  .quote p { font-size: var(--text-2xl); line-height: 1.1; }
}
.quote em {
  font-style: normal;
  color: var(--color-primary);
}
.quote cite {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  font-style: normal;
}

/* ----- WHY GRID ----- */
.why-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--space-6);
  margin-top: var(--space-12);
}
.why-item {
  padding: var(--space-6) 0;
  border-top: 1px solid var(--color-border);
}
.why-item__num {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  letter-spacing: 0.1em;
  margin-bottom: var(--space-4);
}
.why-item h3 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-3);
}
.why-item p {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  line-height: 1.6;
}

/* ----- FAQ ----- */
.faq {
  margin-top: var(--space-12);
  max-width: 760px;
}
.faq__item {
  border-bottom: 1px solid var(--color-divider);
  padding-block: var(--space-5);
}
.faq__item summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 500;
  letter-spacing: -0.015em;
  color: var(--color-text);
}
.faq__item summary::-webkit-details-marker { display: none; }
.faq__chev {
  font-family: var(--font-mono);
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  transition: transform var(--transition-interactive);
  flex-shrink: 0;
}
.faq__item[open] .faq__chev { transform: rotate(45deg); color: var(--color-primary); }
.faq__item p {
  margin-top: var(--space-4);
  color: var(--color-text-muted);
  font-size: var(--text-base);
  line-height: 1.6;
  max-width: 64ch;
}

/* ----- FINAL CTA ----- */
.cta {
  padding-block: clamp(var(--space-20), 12vw, var(--space-32));
  background:
    radial-gradient(ellipse 60% 50% at 50% 50%, var(--color-primary-highlight) 0%, transparent 70%),
    var(--color-bg);
  border-top: 1px solid var(--color-divider);
  position: relative;
  overflow: hidden;
}
.cta__inner {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.cta__title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 700;
  letter-spacing: -0.035em;
  line-height: 1.0;
  margin-bottom: var(--space-5);
  max-width: 16ch;
}
.cta__title-accent {
  color: var(--color-primary);
  font-style: normal;
}
.cta__sub {
  color: var(--color-text-muted);
  font-size: var(--text-base);
  margin-bottom: var(--space-8);
  max-width: 52ch;
}
.cta__meta {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}

/* ----- FOOTER ----- */
.footer {
  border-top: 1px solid var(--color-divider);
  padding-block: var(--space-8);
}
.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
  flex-wrap: wrap;
}
.footer__brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-text);
  text-decoration: none;
  font-family: var(--font-display);
  font-weight: 600;
}
.footer__copy {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}
.theme-toggle {
  width: 40px; height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  color: var(--color-text-muted);
}
.theme-toggle:hover {
  color: var(--color-text);
  border-color: var(--color-border-strong);
}

/* ----- TOAST ----- */
.toast {
  position: fixed;
  bottom: var(--space-6);
  left: 50%;
  transform: translateX(-50%) translateY(120%);
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-6);
  background: var(--color-text);
  color: var(--color-text-inverse);
  border-radius: var(--radius-full);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: var(--text-sm);
  box-shadow: var(--shadow-lg);
  z-index: 100;
  transition: transform 400ms cubic-bezier(0.16, 1, 0.3, 1);
}
.toast--show {
  transform: translateX(-50%) translateY(0);
}
.toast svg {
  color: var(--color-primary);
}