/* styles.css */
:root {
  --bg: #ffffff;
  --text: #111827;
  --muted: #4b5563;
  --border: #e5e7eb;
  --surface: #f9fafb;
  --shadow: 0 8px 24px rgba(17, 24, 39, 0.08);
  --radius: 14px;

  --maxw: 1040px;

  --btn-bg: #111827;
  --btn-text: #ffffff;
  --btn-bg-2: #ffffff;
  --btn-text-2: #111827;
}

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

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  background: var(--bg);
  color: var(--text);
  line-height: 1.55;
}

a {
  color: inherit;
  text-decoration: underline;
  text-underline-offset: 3px;
}

a:focus {
  outline: 3px solid rgba(17, 24, 39, 0.25);
  outline-offset: 3px;
}

.container {
  width: min(var(--maxw), calc(100% - 2rem));
  margin-inline: auto;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 8px;
  background: var(--btn-bg);
  color: var(--btn-text);
  padding: 10px 12px;
  border-radius: 10px;
  z-index: 9999;
  text-decoration: none;
}
.skip-link:focus {
  left: 12px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
  gap: 12px;
}

.brand-name {
  font-weight: 700;
  letter-spacing: 0.2px;
}

.site-nav {
  display: none;
  gap: 18px;
  align-items: center;
}

.site-nav a {
  text-decoration: none;
  font-weight: 500;
  color: var(--text);
  transition: color 120ms ease;
  padding: 4px 0;
  border-bottom: 2px solid transparent;
}

.site-nav a:hover {
  color: var(--btn-bg);
}

.site-nav a.active {
  border-bottom-color: var(--btn-bg);
  color: var(--btn-bg);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.section {
  padding: 54px 0;
}

.hero {
  padding-top: 54px;
  background: linear-gradient(180deg, var(--surface) 0%, rgba(249, 250, 251, 0) 60%);
}

h1,
h2,
h3 {
  margin: 0 0 12px 0;
  line-height: 1.2;
}

h1 {
  font-size: clamp(1.9rem, 3.5vw, 2.6rem);
  letter-spacing: -0.02em;
}

h2 {
  font-size: clamp(1.45rem, 2.6vw, 1.9rem);
  letter-spacing: -0.01em;
}

h3 {
  font-size: 1.1rem;
}

p {
  margin: 0 0 14px 0;
  color: var(--text);
}

.lead {
  font-size: 1.05rem;
  color: var(--text);
  max-width: 72ch;
}

.meta {
  color: var(--muted);
  margin-top: 10px;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid var(--btn-bg);
  text-decoration: none;
  font-weight: 600;
  box-shadow: none;
  transition: transform 120ms ease, box-shadow 120ms ease, background 120ms ease;
  white-space: nowrap;
}

.btn:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow);
}

.btn:active {
  transform: translateY(0);
  box-shadow: none;
}

.btn-primary {
  background: var(--btn-bg);
  color: var(--btn-text);
  border-color: var(--btn-bg);
}

.btn-secondary {
  background: var(--btn-bg-2);
  color: var(--btn-text-2);
  border-color: var(--border);
}

.btn-small {
  padding: 10px 12px;
  border-radius: 12px;
}

.card {
  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
  box-shadow: none;
}

.value-points {
  margin-top: 18px;
}

.grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-top: 18px;
}

.card ul {
  margin: 10px 0 12px 18px;
  padding: 0;
}

.card li {
  margin: 6px 0;
  color: var(--text);
}

.scope {
  margin-top: 16px;
  background: var(--surface);
}

.contact-card {
  margin-top: 16px;
}

.contact-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.contact-label {
  margin: 0 0 4px 0;
  color: var(--muted);
  font-weight: 600;
  font-size: 0.95rem;
}

.contact-value {
  margin: 0;
  font-weight: 700;
  font-size: 1.05rem;
}

.sticky-cta {
  position: sticky;
  bottom: 0;
  z-index: 60;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(10px);
  border-top: 1px solid var(--border);
  padding: 10px 0;
}

.sticky-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.sticky-text {
  font-weight: 700;
  color: var(--text);
}

.sticky-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.site-footer {
  border-top: 1px solid var(--border);
  padding: 26px 0 90px; /* extra space so footer isn't covered by sticky CTA */
  background: #ffffff;
}

.footer-inner p {
  margin: 0 0 8px 0;
  color: var(--muted);
}

.footer-inner p strong {
  color: var(--text);
}

.preview-card {
  max-width: 600px;
  margin: 0 auto;
}

.preview-card h3 {
  margin-top: 18px;
  margin-bottom: 12px;
}

.preview-card p {
  margin-bottom: 14px;
  color: var(--text);
}

.preview-card a.btn {
  margin-top: 8px;
}

@media (min-width: 860px) {
  .site-nav {
    display: flex;
  }

  .grid {
    grid-template-columns: 1fr 1fr;
  }

  .contact-row {
    grid-template-columns: 1fr 1fr;
    align-items: start;
  }
}
