/* =========================================================
   US TESTER PROGRAM — STYLES
   Design language: editorial-tech, ink-on-paper with electric accent
   ========================================================= */

:root {
  /* Surface tokens */
  --bg: #FAFAF7;
  --bg-elevated: #FFFFFF;
  --bg-inverse: #0E0F12;
  --bg-soft: #F1F0EB;
  --bg-tint: #ECF1ED;

  /* Ink tokens */
  --ink-900: #0E0F12;
  --ink-700: #2A2D33;
  --ink-500: #595E68;
  --ink-300: #8B8F98;
  --ink-100: #D9DBDF;

  /* Accent — botanical green, distinct from the original rust */
  --accent: #2B6F4A;
  --accent-deep: #1F5436;
  --accent-soft: #DCEAE2;

  /* Functional */
  --error: #B5341F;
  --success: #2B6F4A;

  /* Edges */
  --hair: rgba(14, 15, 18, 0.08);
  --hair-strong: rgba(14, 15, 18, 0.16);
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 14px;

  /* Type scale */
  --serif: 'Fraunces', Georgia, serif;
  --sans: 'Inter', system-ui, -apple-system, sans-serif;
  --mono: 'JetBrains Mono', ui-monospace, monospace;
}

/* ---------- Base ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  background: var(--bg);
  color: var(--ink-900);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
img, svg { display: block; max-width: 100%; }
button, input, select, textarea { font: inherit; color: inherit; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.75rem;
}

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(250, 250, 247, 0.88);
  backdrop-filter: saturate(140%) blur(10px);
  -webkit-backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid var(--hair);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 68px;
}
.logo {
  display: inline-flex; align-items: center; gap: 0.6rem;
  color: var(--ink-900); text-decoration: none;
  font-family: var(--sans); font-size: 0.98rem; font-weight: 500;
  letter-spacing: -0.005em;
}
.logo:hover { text-decoration: none; }
.logo-mark {
  display: inline-flex; align-items: center; justify-content: center;
  width: 30px; height: 30px;
  background: var(--accent); color: #fff;
  border-radius: 7px;
}
.logo-mark svg { width: 16px; height: 16px; }
.logo-text strong { font-weight: 700; }

.header-nav {
  display: flex; align-items: center; gap: 2rem;
}
.header-nav a {
  color: var(--ink-500);
  font-size: 0.86rem; font-weight: 500;
  text-decoration: none;
  transition: color 0.15s ease;
}
.header-nav a:hover { color: var(--ink-900); }
.nav-button {
  background: var(--ink-900); color: #fff !important;
  padding: 0.55rem 1.1rem;
  border-radius: 999px;
  font-weight: 500;
  transition: background 0.15s ease;
}
.nav-button:hover { background: var(--accent-deep); text-decoration: none; }

/* ---------- Hero ---------- */
.hero { padding: 4.5rem 0 5rem; }
.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 5rem;
  align-items: start;
}
.eyebrow {
  display: inline-flex; align-items: center; gap: 0.55rem;
  background: var(--accent-soft);
  color: var(--accent-deep);
  font-size: 0.78rem; font-weight: 500;
  padding: 0.4rem 0.85rem;
  border-radius: 999px;
  margin-bottom: 2rem;
}
.eyebrow .dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent);
  animation: pulse 2.4s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.35; }
}

h1 {
  font-family: var(--serif);
  font-size: clamp(2.6rem, 5.4vw, 4.4rem);
  font-weight: 700;
  line-height: 1.04;
  letter-spacing: -0.025em;
  color: var(--ink-900);
  margin-bottom: 1.5rem;
  font-variation-settings: 'opsz' 96;
}

.lede {
  font-size: 1.1rem;
  line-height: 1.65;
  color: var(--ink-500);
  max-width: 46ch;
  margin-bottom: 2.5rem;
}

.hero-meta {
  display: flex; align-items: center; gap: 1.75rem;
  padding-top: 2rem;
  border-top: 1px solid var(--hair);
}
.meta-item .meta-num {
  font-family: var(--serif);
  font-weight: 700;
  font-size: 1.7rem;
  letter-spacing: -0.02em;
  line-height: 1;
  color: var(--ink-900);
  margin-bottom: 0.3rem;
}
.meta-item .meta-lbl {
  font-size: 0.74rem;
  color: var(--ink-500);
  font-weight: 500;
  letter-spacing: 0.02em;
}
.meta-divider {
  width: 1px; height: 32px; background: var(--hair);
}

/* ---------- Apply card ---------- */
.apply-card {
  background: var(--bg-elevated);
  border: 1px solid var(--hair);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: 0 1px 2px rgba(14, 15, 18, 0.04),
              0 18px 40px -20px rgba(14, 15, 18, 0.18);
  position: sticky; top: 90px;
}
.card-tag {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.04em;
  color: var(--accent-deep);
  background: var(--accent-soft);
  padding: 0.3rem 0.6rem;
  border-radius: 4px;
  margin-bottom: 1rem;
  text-transform: uppercase;
}
.card-title {
  font-family: var(--serif);
  font-size: 1.7rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 0.4rem;
  color: var(--ink-900);
}
.card-sub {
  font-size: 0.9rem;
  color: var(--ink-500);
  margin-bottom: 1.5rem;
}

.field { margin-bottom: 1rem; }
.field label {
  display: block;
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--ink-700);
  margin-bottom: 0.4rem;
}
.field input,
.field select {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--hair-strong);
  border-radius: var(--radius-sm);
  padding: 0.7rem 0.85rem;
  font-size: 0.92rem;
  color: var(--ink-900);
  transition: border-color 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
  -webkit-appearance: none;
  appearance: none;
}
.field select {
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'><path d='M1 1l5 5 5-5' fill='none' stroke='%23595E68' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/></svg>");
  background-repeat: no-repeat;
  background-position: right 0.85rem center;
  padding-right: 2.2rem;
}
.field input::placeholder { color: var(--ink-300); }
.field input:focus,
.field select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(43, 111, 74, 0.15);
  background: var(--bg-elevated);
}
.field.has-error input,
.field.has-error select {
  border-color: var(--error);
  box-shadow: 0 0 0 3px rgba(181, 52, 31, 0.12);
}
.field-error {
  display: none;
  font-size: 0.76rem;
  color: var(--error);
  margin-top: 0.35rem;
}
.field.has-error .field-error { display: block; }

.consent {
  display: flex; align-items: flex-start; gap: 0.65rem;
  margin: 1.25rem 0 1.5rem;
  cursor: pointer;
}
.consent input[type="checkbox"] {
  flex-shrink: 0;
  width: 16px; height: 16px;
  margin-top: 2px;
  accent-color: var(--accent);
  cursor: pointer;
}
.consent span {
  font-size: 0.8rem;
  color: var(--ink-500);
  line-height: 1.55;
}
.consent.has-error span { color: var(--error); }

.submit-btn {
  width: 100%;
  background: var(--ink-900);
  color: #fff;
  border: none;
  padding: 0.9rem 1.25rem;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-weight: 500;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center; gap: 0.55rem;
  transition: background 0.15s ease, transform 0.1s ease;
}
.submit-btn:hover { background: var(--accent-deep); }
.submit-btn:active { transform: scale(0.99); }
.submit-btn[aria-busy="true"] { opacity: 0.7; pointer-events: none; }
.submit-btn svg { width: 18px; height: 18px; }

.form-foot {
  margin-top: 0.9rem;
  font-size: 0.75rem;
  color: var(--ink-300);
  text-align: center;
}

/* Confirmation */
.confirm { text-align: center; padding: 1rem 0; }
.confirm-icon {
  width: 56px; height: 56px;
  margin: 0 auto 1.25rem;
  background: var(--accent-soft);
  color: var(--accent-deep);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
}
.confirm-icon svg { width: 28px; height: 28px; }
.confirm-title {
  font-family: var(--serif);
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 0.65rem;
  color: var(--ink-900);
}
.confirm-body {
  font-size: 0.9rem;
  color: var(--ink-500);
  line-height: 1.6;
  margin-bottom: 1.5rem;
}
.confirm-body strong { color: var(--ink-900); font-weight: 600; }
.confirm-ref {
  display: inline-flex; align-items: center; gap: 0.6rem;
  background: var(--bg-soft);
  border: 1px solid var(--hair);
  padding: 0.55rem 0.9rem;
  border-radius: var(--radius-sm);
  font-family: var(--mono);
  font-size: 0.78rem;
}
.ref-label { color: var(--ink-500); }
.ref-code { color: var(--ink-900); font-weight: 600; }

/* ---------- Section heads ---------- */
.section-head { margin-bottom: 3rem; max-width: 720px; }
.section-tag {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--accent-deep);
  margin-bottom: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.section-title {
  font-family: var(--serif);
  font-size: clamp(1.85rem, 3.5vw, 2.6rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.1;
  color: var(--ink-900);
}

/* ---------- How section ---------- */
.how {
  padding: 5rem 0;
  border-top: 1px solid var(--hair);
}
.step-list {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0;
  border-top: 1px solid var(--hair);
  border-left: 1px solid var(--hair);
}
.step {
  display: flex; gap: 1.25rem;
  padding: 2rem;
  border-right: 1px solid var(--hair);
  border-bottom: 1px solid var(--hair);
  background: var(--bg-elevated);
}
.step-num {
  font-family: var(--mono);
  font-size: 0.85rem;
  color: var(--accent);
  font-weight: 600;
  flex-shrink: 0;
  padding-top: 0.25rem;
}
.step-title {
  font-family: var(--serif);
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin-bottom: 0.45rem;
  color: var(--ink-900);
}
.step-body p {
  font-size: 0.92rem;
  color: var(--ink-500);
  line-height: 1.65;
}
.step-body em { font-style: italic; }

/* ---------- Panel section ---------- */
.panel {
  background: var(--bg-soft);
  padding: 5rem 0;
  border-top: 1px solid var(--hair);
}
.panel-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 5rem;
  align-items: start;
}
.panel-lede {
  font-size: 1.05rem;
  color: var(--ink-500);
  line-height: 1.65;
  max-width: 38ch;
  margin-top: 1rem;
}
.feature-stack {
  display: flex; flex-direction: column;
  gap: 1.25rem;
}
.feature {
  background: var(--bg-elevated);
  border: 1px solid var(--hair);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  display: flex; gap: 1.1rem;
  transition: border-color 0.15s ease, transform 0.15s ease;
}
.feature:hover {
  border-color: var(--accent);
  transform: translateY(-1px);
}
.feature-glyph {
  flex-shrink: 0;
  width: 40px; height: 40px;
  background: var(--accent-soft);
  color: var(--accent-deep);
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
}
.feature-glyph svg { width: 20px; height: 20px; }
.feature h3 {
  font-family: var(--sans);
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: -0.005em;
  margin-bottom: 0.3rem;
  color: var(--ink-900);
}
.feature p {
  font-size: 0.88rem;
  color: var(--ink-500);
  line-height: 1.6;
}

/* ---------- Quote strip ---------- */
.quote-strip {
  background: var(--bg-inverse);
  color: #fff;
  padding: 4.5rem 0;
}
.quote {
  max-width: 780px;
  margin: 0 auto;
  text-align: center;
}
.quote blockquote {
  font-family: var(--serif);
  font-size: clamp(1.4rem, 2.6vw, 1.95rem);
  font-weight: 500;
  line-height: 1.35;
  letter-spacing: -0.015em;
  color: #fff;
  margin-bottom: 1.5rem;
}
.quote blockquote::before { content: '“'; color: var(--accent); margin-right: 0.05em; }
.quote blockquote::after  { content: '”'; color: var(--accent); margin-left: 0.05em; }
.quote figcaption {
  display: flex; flex-direction: column; gap: 0.3rem;
  font-size: 0.84rem;
}
.quote-name { font-weight: 600; color: rgba(255, 255, 255, 0.92); }
.quote-meta { color: rgba(255, 255, 255, 0.5); font-size: 0.78rem; }

/* ---------- FAQ ---------- */
.faq { padding: 5rem 0; border-top: 1px solid var(--hair); }
.faq-list { max-width: 820px; }
.faq-list details {
  border-bottom: 1px solid var(--hair);
  padding: 1.4rem 0;
}
.faq-list details:first-child { border-top: 1px solid var(--hair); }
.faq-list summary {
  font-family: var(--serif);
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--ink-900);
  cursor: pointer;
  list-style: none;
  display: flex; justify-content: space-between; align-items: center;
}
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after {
  content: '+';
  font-family: var(--sans);
  font-size: 1.4rem;
  font-weight: 300;
  color: var(--ink-500);
  transition: transform 0.2s ease;
}
.faq-list details[open] summary::after {
  content: '–';
  transform: rotate(0deg);
}
.faq-list details p {
  margin-top: 0.85rem;
  font-size: 0.94rem;
  color: var(--ink-500);
  line-height: 1.65;
}

/* ---------- Disclosure ---------- */
.disclosure { padding: 4rem 0 5rem; background: var(--bg-tint); }
.disclosure-box {
  background: var(--bg-elevated);
  border: 1px solid var(--hair);
  border-left: 4px solid var(--accent);
  border-radius: var(--radius-md);
  padding: 2rem;
  max-width: 920px;
}
.disclosure-box h3 {
  font-family: var(--serif);
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin-bottom: 1rem;
  color: var(--ink-900);
}
.disclosure-box p {
  font-size: 0.9rem;
  color: var(--ink-500);
  line-height: 1.65;
  margin-bottom: 0.85rem;
}
.disclosure-box p:last-child { margin-bottom: 0; }
.disclosure-box strong { color: var(--ink-900); font-weight: 600; }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--bg-inverse);
  color: rgba(255, 255, 255, 0.6);
  padding: 3rem 0 2rem;
}
.footer-inner {
  display: grid;
  grid-template-columns: 1fr auto;
  grid-template-rows: auto auto;
  gap: 1.5rem 3rem;
  align-items: center;
}
.footer-brand .logo-text {
  color: #fff;
  font-size: 1rem;
}
.footer-brand .logo-text strong { color: #fff; }
.footer-tag {
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.4);
  margin-top: 0.4rem;
}
.footer-nav {
  display: flex; gap: 1.5rem;
  flex-wrap: wrap;
}
.footer-nav a {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.55);
  transition: color 0.15s ease;
}
.footer-nav a:hover { color: var(--accent); text-decoration: none; }
.footer-legal {
  grid-column: 1 / -1;
  font-size: 0.78rem;
  color: rgba(255, 255, 255, 0.32);
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

/* ---------- Responsive ---------- */
@media (max-width: 980px) {
  .hero-grid { grid-template-columns: 1fr; gap: 3rem; }
  .apply-card { position: static; }
  .panel-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .step-list { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .container { padding: 0 1.25rem; }
  .header-nav { gap: 1rem; }
  .header-nav a:not(.nav-button) { display: none; }
  .hero { padding: 2.5rem 0 3rem; }
  .hero-meta { flex-wrap: wrap; gap: 1.25rem; }
  .meta-divider { display: none; }
  .how, .panel, .faq { padding: 3.5rem 0; }
  .step { padding: 1.5rem; }
  .quote-strip { padding: 3rem 0; }
  .disclosure-box { padding: 1.5rem; }
}

/* ---------- A11y / motion ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  html { scroll-behavior: auto; }
}

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