/* Attestiq marketing site — plain CSS, system-ui only, no third-party fonts.
   Mobile-first. Cache-bust suffix: ?v=20260518
   Colors:
     --navy   #0f2342  primary brand (deep navy)
     --gray   #6b7280  neutral body text
     --accent #2563eb  call-to-action blue
     --light  #f8fafc  alternating section background
*/

/* ── Reset & base ──────────────────────────────────────────────────────── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --navy:   #0f2342;
  --gray:   #6b7280;
  --accent: #2563eb;
  --light:  #f8fafc;
  --text:   #1e293b;
  --border: #e2e8f0;
  --radius: 8px;
  --max-w:  1100px;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
  background: #fff;
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.container {
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 20px;
}

/* ── Buttons ───────────────────────────────────────────────────────────── */
.btn {
  display: inline-block;
  padding: 10px 22px;
  border-radius: var(--radius);
  font-size: 15px;
  font-weight: 600;
  line-height: 1.4;
  cursor: pointer;
  text-decoration: none;
  transition: opacity 0.15s;
  white-space: nowrap;
}

.btn:hover {
  opacity: 0.88;
  text-decoration: none;
}

/* Primary: filled accent */
.btn-primary {
  background: var(--accent);
  color: #fff;
  border: 2px solid var(--accent);
}

/* Secondary: outline */
.btn-secondary {
  background: transparent;
  color: var(--accent);
  border: 2px solid var(--accent);
}

/* Small nav variant */
.btn-sm {
  padding: 7px 16px;
  font-size: 14px;
}

/* ── Navigation ────────────────────────────────────────────────────────── */
#top {
  scroll-margin-top: 0;
}

.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--navy);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
  gap: 16px;
}

.nav-brand {
  font-size: 20px;
  font-weight: 700;
  color: #fff;
  letter-spacing: -0.3px;
  text-decoration: none;
  flex-shrink: 0;
}

.nav-brand:hover {
  text-decoration: none;
  opacity: 0.9;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

.nav-links a {
  color: rgba(255,255,255,0.82);
  font-size: 14px;
  font-weight: 500;
  padding: 6px 10px;
  border-radius: 6px;
  text-decoration: none;
  transition: color 0.15s, background 0.15s;
}

.nav-links a:hover {
  color: #fff;
  background: rgba(255,255,255,0.1);
  text-decoration: none;
}

/* Sign in is a primary button in the nav */
.nav-links .btn-primary {
  color: #fff;
}

/* ── Hero ──────────────────────────────────────────────────────────────── */
.hero {
  background: var(--navy);
  color: #fff;
  padding: 72px 0 80px;
  text-align: center;
}

.hero h1 {
  font-size: clamp(28px, 5vw, 48px);
  font-weight: 800;
  line-height: 1.18;
  letter-spacing: -0.5px;
  max-width: 720px;
  margin: 0 auto 20px;
}

.hero-sub {
  font-size: clamp(15px, 2.2vw, 18px);
  line-height: 1.65;
  color: rgba(255,255,255,0.78);
  max-width: 660px;
  margin: 0 auto 36px;
}

.hero-ctas {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

/* Secondary CTA in hero — white outline on dark bg */
.hero .btn-secondary {
  color: rgba(255,255,255,0.88);
  border-color: rgba(255,255,255,0.4);
}

.hero .btn-secondary:hover {
  color: #fff;
  border-color: #fff;
}

/* ── Sections ──────────────────────────────────────────────────────────── */
.section {
  padding: 64px 0;
}

.section-alt {
  background: var(--light);
}

.section-dark {
  background: var(--navy);
  color: #fff;
}

.section-dark h2 {
  color: #fff;
}

.section-dark p,
.section-dark li {
  color: rgba(255,255,255,0.82);
}

h2 {
  font-size: clamp(22px, 3.5vw, 32px);
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 20px;
  letter-spacing: -0.3px;
}

.section p {
  color: var(--gray);
  max-width: 720px;
  margin-bottom: 16px;
}

.section p:last-child {
  margin-bottom: 0;
}

/* ── Who it's for — card grid ──────────────────────────────────────────── */
.audience-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-top: 24px;
}

@media (min-width: 600px) {
  .audience-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 900px) {
  .audience-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.audience-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 20px;
}

.audience-card strong {
  display: block;
  color: var(--navy);
  font-weight: 600;
  margin-bottom: 4px;
}

.audience-card span {
  font-size: 14px;
  color: var(--gray);
}

/* ── How it works — numbered steps ────────────────────────────────────── */
.steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  margin-top: 28px;
}

@media (min-width: 768px) {
  .steps {
    grid-template-columns: repeat(3, 1fr);
  }
}

.step {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.step-num {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  font-weight: 700;
  font-size: 15px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.step-body strong {
  display: block;
  color: var(--navy);
  font-weight: 600;
  margin-bottom: 6px;
  font-size: 15px;
}

.step-body p {
  font-size: 14px;
  color: var(--gray);
  margin-bottom: 0;
}

/* ── Data-handling promise ─────────────────────────────────────────────── */
.data-table {
  margin-top: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.data-row {
  display: flex;
  gap: 14px;
  background: rgba(255,255,255,0.06);
  border-radius: var(--radius);
  padding: 14px 16px;
}

.data-row-label {
  flex-shrink: 0;
  font-size: 13px;
  font-weight: 600;
  color: rgba(255,255,255,0.6);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  width: 110px;
  padding-top: 1px;
}

.data-row-value {
  font-size: 14px;
  color: rgba(255,255,255,0.85);
}

/* ── Pricing ────────────────────────────────────────────────────────────── */
.pricing-lead {
  color: var(--gray);
  margin-bottom: 32px;
}

.pricing-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  align-items: start;
}

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

.pricing-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 22px;
  background: #fff;
  display: flex;
  flex-direction: column;
}

.pricing-card.highlighted {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px rgba(37,99,235,0.15);
}

.pricing-tier {
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--accent);
  margin-bottom: 8px;
}

.pricing-price {
  font-size: 28px;
  font-weight: 800;
  color: var(--navy);
  margin-bottom: 4px;
  letter-spacing: -0.5px;
}

.pricing-price span {
  font-size: 14px;
  font-weight: 500;
  color: var(--gray);
}

.pricing-features {
  list-style: none;
  margin: 18px 0 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 9px;
}

.pricing-features li {
  font-size: 14px;
  color: var(--gray);
  padding-left: 18px;
  position: relative;
}

.pricing-features li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 700;
  font-size: 13px;
}

.pricing-card .btn {
  width: 100%;
  text-align: center;
}

.pricing-footnote {
  margin-top: 28px;
  font-size: 14px;
  color: var(--gray);
  max-width: 700px;
}

/* ── Contact ────────────────────────────────────────────────────────────── */
.contact-body p {
  color: var(--gray);
  margin-bottom: 12px;
}

.contact-body a {
  color: var(--accent);
  font-weight: 500;
}

/* ── Refund ─────────────────────────────────────────────────────────────── */

/* ── Legal sections (ToS + Privacy) ────────────────────────────────────── */
.legal-content {
  max-width: 760px;
}

.legal-content .effective-date {
  font-size: 14px;
  color: var(--gray);
  margin-bottom: 28px;
}

.legal-content p {
  color: var(--gray);
  margin-bottom: 16px;
  font-size: 15px;
}

.legal-content strong {
  color: var(--text);
}

.legal-content ul {
  list-style: disc;
  padding-left: 22px;
  margin-bottom: 16px;
}

.legal-content ul li {
  color: var(--gray);
  font-size: 15px;
  margin-bottom: 8px;
}

/* ── Footer ─────────────────────────────────────────────────────────────── */
.footer {
  background: var(--navy);
  color: rgba(255,255,255,0.7);
  padding: 52px 0 0;
}

.footer-top {
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
  padding-bottom: 40px;
}

@media (min-width: 768px) {
  .footer-top {
    grid-template-columns: 1fr 1fr 1fr;
    align-items: start;
  }
}

.footer-brand {
  font-size: 18px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 8px;
}

.footer-tagline {
  font-size: 14px;
  color: rgba(255,255,255,0.55);
}

.footer-col h4 {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: rgba(255,255,255,0.5);
  margin-bottom: 14px;
}

.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-col ul li a {
  font-size: 14px;
  color: rgba(255,255,255,0.72);
  text-decoration: none;
  transition: color 0.15s;
}

.footer-col ul li a:hover {
  color: #fff;
  text-decoration: none;
}

.footer-contact {
  font-size: 14px;
  color: rgba(255,255,255,0.72);
}

.footer-contact a {
  color: rgba(255,255,255,0.72);
}

.footer-contact a:hover {
  color: #fff;
  text-decoration: none;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: 18px 0;
  font-size: 13px;
  color: rgba(255,255,255,0.4);
}

/* ── Utilities ──────────────────────────────────────────────────────────── */
.mt-4  { margin-top: 16px; }
.mt-6  { margin-top: 24px; }
.mt-8  { margin-top: 32px; }

/* scroll-margin for sticky nav */
section[id] {
  scroll-margin-top: 68px;
}