/* ==========================================================================
   Midhop — landing page styles
   Plain CSS, no framework. Mobile-first.
   ========================================================================== */

@property --a {
  syntax: "<angle>";
  initial-value: 0deg;
  inherits: false;
}

:root {
  --font-sans: "IBM Plex Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, "SF Mono", Consolas, monospace;

  --bg: #faf9f7;
  --fg: #14171a;
  --muted: #5b6169;
  --border: #dcd9d2;
  --border-strong: #c7c3ba;

  /* Accent: amber700 for text/interactive elements needing 4.5:1 contrast,
     amber600 for decorative/non-text use (borders, diagram) needing 3:1 */
  --accent: #b45309;
  --accent-soft: #d97706;
  --accent-bg: #fdf3e7;

  --danger: #b3261e;

  --radius: 8px;
  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 1.5rem;
  --space-4: 2.5rem;
  --space-5: 4rem;
  --space-6: 6rem;

  --max-width: 760px;
}

*, *::before, *::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
  height: 100%;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.55;
  color: var(--fg);
  background: var(--bg);
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

main {
  flex: 1;
}

.site-footer {
  margin-top: auto;
}

h1, h2, h3 {
  font-family: var(--font-sans);
  font-weight: 700;
  line-height: 1.2;
  margin: 0 0 var(--space-2);
}

h1 { font-size: clamp(1.9rem, 4.5vw, 2.75rem); letter-spacing: -0.01em; }
h2 { font-size: clamp(1.4rem, 3vw, 1.9rem); letter-spacing: -0.005em; }
h3 { font-size: 1.05rem; font-weight: 600; margin-bottom: 0.35rem; }

p {
  margin: 0 0 var(--space-2);
  color: var(--fg);
}

a {
  color: var(--accent);
}

.wrap {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-3);
}

.wrap--narrow {
  max-width: 560px;
}

/* Skip link */
.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--fg);
  color: var(--bg);
  padding: var(--space-1) var(--space-2);
  z-index: 100;
}

.skip-link:focus {
  left: var(--space-2);
  top: var(--space-2);
}

/* Focus states — visible everywhere */
a:focus-visible,
button:focus-visible,
input:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* ==========================================================================
   Header
   ========================================================================== */

.site-header {
  border-bottom: 1px solid var(--border);
  background: var(--bg);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-2);
  padding-bottom: var(--space-2);
}

.wordmark {
  font-family: var(--font-mono);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--fg);
  text-decoration: none;
  letter-spacing: -0.02em;
}

/* ==========================================================================
   Buttons
   ========================================================================== */

.btn {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  font-weight: 500;
  text-decoration: none;
  border: 1px solid transparent;
  border-radius: var(--radius);
  padding: 0.6rem 1.1rem;
  cursor: pointer;
  line-height: 1.2;
}

.btn--primary {
  background: var(--accent);
  color: #fff;
}

.btn--primary:hover {
  background: #963f07;
}

.btn--ghost {
  background: transparent;
  color: var(--fg);
  border-color: var(--border-strong);
}

.btn--ghost:hover {
  border-color: var(--fg);
}

.btn--block {
  display: block;
  width: 100%;
  text-align: center;
  font-size: 0.95rem;
  padding: 0.75rem 1.1rem;
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

/* ==========================================================================
   Sections — shared rhythm
   ========================================================================== */

section {
  padding: var(--space-5) 0;
}

section + section {
  border-top: 1px solid var(--border);
}

/* ==========================================================================
   Hero
   ========================================================================== */

.hero {
  padding-top: var(--space-6);
  padding-bottom: var(--space-6);
}

.hero__sub {
  max-width: 46ch;
  color: var(--muted);
  font-size: 1.05rem;
  margin-bottom: var(--space-3);
}

/* ==========================================================================
   Problem
   ========================================================================== */

.problem__list {
  list-style: none;
  margin: var(--space-3) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3);
}

.problem__list p {
  color: var(--muted);
  margin: 0;
  font-size: 0.95rem;
}

@media (min-width: 640px) {
  .problem__list {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4) var(--space-3);
  }
}

/* ==========================================================================
   How it works — diagram
   ========================================================================== */

.how__sub {
  color: var(--muted);
  margin-bottom: var(--space-4);
}

.diagram {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: var(--space-2);
}

.diagram__node {
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  padding: var(--space-3);
  background: #fff;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.diagram__node--midhop {
  position: relative;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  background: conic-gradient(
    from var(--a),
    #d97706,
    #fbbf24,
    #d97706
  );
  padding: 1.5rem 2px 2px;
  animation: rotate 6s linear infinite;
  flex-shrink: 0;
}

.diagram__node--midhop::after {
  content: '';
  position: absolute;
  inset: 2px;
  border-radius: 50%;
  background: var(--accent-bg);
  pointer-events: none;
}

.diagram__node--midhop > * {
  position: relative;
  z-index: 1;
}

.diagram__summary {
  display: block;
  font-size: 0.85rem;
  color: var(--fg);
  font-weight: 500;
  max-width: 120px;
  line-height: 1.3;
}

@keyframes rotate {
  to {
    --a: 360deg;
  }
}

.midhop-features {
  margin-top: var(--space-4);
  text-align: left;
}

.midhop-features h3 {
  margin-bottom: var(--space-2);
}

.diagram__icon {
  width: 44px;
  height: 44px;
  margin-bottom: var(--space-1);
  flex-shrink: 0;
}

.diagram__label {
  display: block;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 1rem;
  margin-bottom: 0.4rem;
}

.diagram__caption {
  display: block;
  font-size: 0.85rem;
  color: var(--muted);
}

.diagram__guarantees {
  list-style: none;
  margin: 0.6rem 0 0;
  padding: 0;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--fg);
  display: grid;
  gap: 0.3rem;
  text-align: left;
  align-self: stretch;
}

.diagram__guarantees li::before {
  content: "— ";
  color: var(--accent);
}

.diagram__arrow {
  color: var(--border-strong);
  align-self: center;
  transform: rotate(90deg);
  flex-shrink: 0;
}

@media (min-width: 720px) {
  .diagram {
    flex-direction: row;
    align-items: center;
  }

  .diagram__node {
    flex: 1;
  }

  .diagram__node--midhop {
    flex: 1.4;
  }

  .diagram__arrow {
    transform: none;
  }
}

/* ==========================================================================
   Agencies
   ========================================================================== */

.agencies p {
  max-width: 60ch;
  font-size: 1.05rem;
}

/* ==========================================================================
   Waitlist form
   ========================================================================== */

.waitlist__sub {
  color: var(--muted);
  margin-bottom: var(--space-3);
}

.field {
  margin-bottom: var(--space-2);
}

.field label {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  margin-bottom: 0.3rem;
}

.field__optional {
  font-weight: 400;
  color: var(--muted);
}

.field input[type="email"],
.field input[type="text"] {
  width: 100%;
  font-family: var(--font-sans);
  font-size: 1rem;
  padding: 0.6rem 0.7rem;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  background: #fff;
  color: var(--fg);
}

form {
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  padding: var(--space-3);
  background: #fff;
}

.field input:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}

.field__error {
  color: var(--danger);
  font-size: 0.85rem;
  margin: 0.35rem 0 0;
}

/* Honeypot: off-screen, not display:none — visually hidden but present
   in the accessibility/DOM tree for basic bots that fill every field */
.field--honeypot {
  position: absolute;
  left: -9999px;
  top: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.cf-turnstile {
  margin: var(--space-2) 0;
  min-height: 65px;
}

.consent {
  font-size: 0.8rem;
  color: var(--muted);
  margin-top: var(--space-2);
}

.form-status p {
  font-size: 0.9rem;
  border-radius: var(--radius);
  padding: 0.6rem 0.8rem;
  margin: var(--space-2) 0 0;
}

.form-status__success {
  background: #eaf5ea;
  color: #1e5c2e;
}

.form-status__duplicate {
  background: #fdf3e7;
  color: #8a4a06;
}

.form-status__error {
  background: #fbe9e8;
  color: #8c1f17;
}

/* ==========================================================================
   Footer
   ========================================================================== */

.site-footer {
  border-top: 1px solid var(--border);
  padding: var(--space-3) 0;
  display: block;
}

.site-footer__inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  font-size: 0.85rem;
  color: var(--muted);
}

.site-footer__inner p {
  margin: 0;
  color: var(--muted);
}

.site-footer__links {
  display: flex;
  gap: var(--space-2);
}

.site-footer__links a {
  color: var(--muted);
}

.site-footer__links a:hover {
  color: var(--fg);
}

@media (min-width: 560px) {
  .site-footer__inner {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
}

/* ==========================================================================
   Privacy page
   ========================================================================== */

.privacy-main {
  max-width: 640px;
  margin: 0 auto;
  padding: 0 var(--space-3);
}

.privacy-main h1 {
  margin-top: var(--space-4);
}

.updated {
  font-size: 0.9rem;
  color: var(--muted);
  margin-bottom: var(--space-3);
}

.summary {
  border-left: 3px solid var(--accent-soft);
  padding-left: var(--space-2);
  margin-bottom: var(--space-4);
}

.privacy-main li {
  margin-bottom: 0.4rem;
}

/* ==========================================================================
   Error page (404)
   ========================================================================== */

.error-page {
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  min-height: calc(100vh - 280px);
}

.error-page__content {
  max-width: 560px;
  padding: 0 var(--space-3);
}

.error-page__code {
  font-size: clamp(3rem, 10vw, 6rem);
  font-weight: 700;
  margin: 0 0 var(--space-2);
  color: var(--accent);
  letter-spacing: -0.02em;
}

.error-page__title {
  font-size: clamp(1.5rem, 4vw, 2.2rem);
  margin: 0 0 var(--space-3);
}

.error-page__message {
  color: var(--muted);
  font-size: 1.05rem;
  margin-bottom: var(--space-4);
}