/* ==========================================================================
   2Wombats – Apple-inspired design system
   Clean, professional, HIG-aligned
   ========================================================================== */

:root {
  /* Light theme – white background */
  --bg-page: #ffffff;
  --bg-elevated: #ffffff;
  --bg-secondary: #f5f5f7;
  --text-primary: #1d1d1f;
  --text-secondary: #6e6e73;
  --text-tertiary: #86868b;
  --separator: rgba(0, 0, 0, 0.08);
  --fill-quaternary: rgba(0, 0, 0, 0.04);

  /* Apple system blue */
  --link: #0071e3;
  --link-hover: #0077ed;
  --focus-ring: 0 0 0 3px rgba(0, 113, 227, 0.35);

  /* Brand accent (refined) */
  --accent: #d4a017;
  --accent-hover: #b8860b;
  --accent-soft: rgba(212, 160, 23, 0.12);

  /* Typography scale (Apple-like) */
  --font-sans: -apple-system, BlinkMacSystemFont, "SF Pro Text", "SF Pro Display", "Segoe UI", "Helvetica Neue", sans-serif;
  --text-caption: 0.8125rem;
  --text-body: 1rem;
  --text-body-tight: 0.9375rem;
  --text-subhead: 1.0625rem;
  --text-title3: 1.25rem;
  --text-title2: 1.5rem;
  --text-title1: 2rem;
  --text-large-title: clamp(2rem, 4vw + 1.5rem, 2.75rem);

  /* Spacing */
  --space-xs: 0.25rem;
  --space-s: 0.5rem;
  --space-m: 1rem;
  --space-l: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --section-padding: 4rem;

  /* Radii (Apple HIG) */
  --radius-s: 8px;
  --radius-m: 12px;
  --radius-l: 16px;
  --radius-xl: 20px;
  --radius-pill: 980px;

  /* Shadows (subtle) */
  --shadow-card: 0 2px 16px rgba(0, 0, 0, 0.06);
  --shadow-card-hover: 0 8px 30px rgba(0, 0, 0, 0.08);
}

/* Light theme only – no dark mode */

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

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

body {
  margin: 0;
  padding: 0;
  font-family: var(--font-sans);
  font-size: var(--text-body);
  line-height: 1.47059;
  font-weight: 400;
  letter-spacing: -0.022em;
  color: var(--text-primary);
  background-color: var(--bg-page);
}

/* --------------------------------------------------------------------------
   Layout
   -------------------------------------------------------------------------- */

.container {
  width: min(980px, 100% - var(--space-xl));
  margin: 0 auto;
}

.section {
  padding: var(--section-padding) 0;
}

.section-muted,
.section.muted {
  background-color: var(--bg-secondary);
}

.section-title {
  font-size: var(--text-title2);
  font-weight: 600;
  letter-spacing: -0.025em;
  line-height: 1.2;
  margin: 0 0 var(--space-xl);
  color: var(--text-primary);
}

.section-intro {
  max-width: 36em;
  color: var(--text-secondary);
  font-size: var(--text-subhead);
  line-height: 1.5;
  margin: calc(-1 * var(--space-m)) 0 var(--space-m);
}

.form-subintro {
  max-width: 36em;
  color: var(--text-tertiary);
  font-size: var(--text-body-tight);
  line-height: 1.5;
  margin: 0 0 var(--space-xl);
}

/* --------------------------------------------------------------------------
   Header (Apple-style bar)
   -------------------------------------------------------------------------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.86);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid var(--separator);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-m) 0;
  gap: var(--space-l);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-m);
  text-decoration: none;
  color: inherit;
}

.brand:focus-visible {
  outline: none;
  border-radius: var(--radius-s);
  box-shadow: var(--focus-ring);
}

.logo {
  height: 88px;
  width: auto;
  display: block;
}

.brand-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.brand-name {
  font-size: var(--text-subhead);
  font-weight: 600;
  color: var(--text-primary);
}

.brand-tagline {
  font-size: var(--text-caption);
  color: var(--text-secondary);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
  font-size: var(--text-body-tight);
}

.main-nav a {
  text-decoration: none;
  color: var(--text-secondary);
  font-weight: 400;
  transition: color 0.2s ease;
}

.main-nav a:hover {
  color: var(--link);
}

.main-nav a:focus-visible {
  outline: none;
  color: var(--link);
  border-radius: var(--radius-s);
  box-shadow: var(--focus-ring);
}

/* --------------------------------------------------------------------------
   Hero
   -------------------------------------------------------------------------- */

.hero {
  padding: var(--space-l) 0 var(--space-s);
}

.hero-inner {
  max-width: 48em;
}

.hero-title {
  font-size: var(--text-title2);
  font-weight: 600;
  letter-spacing: -0.025em;
  line-height: 1.2;
  margin: 0 0 var(--space-l);
  color: var(--text-primary);
}

.hero-lead {
  font-size: var(--text-body-tight);
  line-height: 1.5;
  color: var(--text-secondary);
  margin: 0 0 var(--space-m);
}

.hero-text p {
  margin: 0 0 var(--space-m);
  color: var(--text-secondary);
  font-size: var(--text-body-tight);
  line-height: 1.5;
}

.hero-proof {
  color: var(--text-secondary);
  font-size: var(--text-caption);
  font-style: italic;
}

.hero-problems {
  margin: 0 0 0;
  padding-left: 1.25rem;
  color: var(--text-secondary);
  font-size: var(--text-body-tight);
  line-height: 1.6;
}

.hero-problems li {
  margin-bottom: var(--space-s);
}

.hero-problems li:last-child {
  margin-bottom: 0;
}

.hero-card {
  background: var(--bg-elevated);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  box-shadow: var(--shadow-card);
  border: 1px solid var(--separator);
}

.hero-card-title {
  font-size: var(--text-title3);
  font-weight: 600;
  letter-spacing: -0.02em;
  margin: 0 0 var(--space-m);
  color: var(--text-primary);
}

.hero-card p {
  margin: 0 0 var(--space-m);
  font-size: var(--text-body-tight);
  line-height: 1.5;
  color: var(--text-secondary);
}

.hero-card strong {
  color: var(--text-primary);
  font-weight: 600;
}

.hero-divider {
  border: none;
  border-top: 1px solid var(--separator);
  margin: var(--space-m) 0;
}

.hero-note {
  font-size: var(--text-caption);
  color: var(--text-tertiary);
  margin-bottom: 0;
}

/* --------------------------------------------------------------------------
   Xintesys banner
   -------------------------------------------------------------------------- */

.xintesys-banner-section {
  padding: 0 0 var(--space-2xl);
  background-color: var(--bg-page);
}

.xintesys-banner-inner {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: var(--space-l);
}

.xintesys-framework-label {
  display: flex;
  align-items: center;
  gap: var(--space-s);
  font-size: var(--text-caption);
  font-weight: 500;
  color: var(--text-secondary);
}

.xintesys-arrow {
  flex-shrink: 0;
  color: var(--accent);
}

.xintesys-framework-label span {
  white-space: nowrap;
}

.xintesys-banner-link {
  display: inline-block;
  border-radius: var(--radius-l);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.xintesys-banner-link:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-card-hover);
}

.xintesys-banner-link:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
}

.xintesys-banner-image {
  display: block;
  width: auto;
  max-width: 100%;
  height: auto;
}

/* --------------------------------------------------------------------------
   Section: Is 2Wombats right for you?
   -------------------------------------------------------------------------- */

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-2xl);
}

.section h3 {
  font-size: var(--text-title3);
  font-weight: 600;
  letter-spacing: -0.02em;
  margin: 0 0 var(--space-m);
  color: var(--text-primary);
}

.checklist {
  list-style: none;
  padding: 0;
  margin: 0;
}

.checklist li {
  position: relative;
  padding-left: 1.5rem;
  margin-bottom: var(--space-s);
  font-size: var(--text-body-tight);
  line-height: 1.5;
  color: var(--text-secondary);
}

.checklist li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.5em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--accent);
}

.fit-intro {
  font-size: var(--text-subhead);
  color: var(--text-secondary);
  margin: calc(-1 * var(--space-m)) 0 var(--space-l);
  font-style: italic;
}

.fit-promise {
  font-size: var(--text-caption);
  color: var(--link);
  font-weight: 500;
  margin: 0 0 var(--space-s);
}

.ai-card {
  margin-top: var(--space-2xl);
  padding-top: var(--space-xl);
  border-top: 1px solid var(--separator);
  background: var(--bg-elevated);
  border-radius: var(--radius-l);
  padding: var(--space-xl);
  box-shadow: var(--shadow-card);
  border: 1px solid var(--separator);
}

.ai-card-title {
  font-size: var(--text-title3);
  font-weight: 600;
  letter-spacing: -0.02em;
  margin: 0 0 var(--space-m);
  color: var(--text-primary);
}

.ai-card p {
  margin: 0 0 var(--space-m);
  font-size: var(--text-body-tight);
  line-height: 1.5;
  color: var(--text-secondary);
}

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

.ai-card strong {
  color: var(--text-primary);
  font-weight: 600;
}

/* --------------------------------------------------------------------------
   Form (Apple-style inputs)
   -------------------------------------------------------------------------- */

.request-form {
  margin-top: var(--space-xl);
  background: var(--bg-elevated);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  box-shadow: var(--shadow-card);
  border: 1px solid var(--separator);
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-l) var(--space-xl);
}

.form-field {
  display: flex;
  flex-direction: column;
  font-size: var(--text-body-tight);
}

.form-field label {
  font-weight: 500;
  margin-bottom: var(--space-xs);
  color: var(--text-primary);
}

.req {
  color: #ff3b30;
}

input[type="text"],
input[type="email"],
select,
textarea {
  font: inherit;
  font-size: var(--text-body);
  padding: var(--space-m) var(--space-l);
  border-radius: var(--radius-m);
  border: 1px solid var(--separator);
  background: var(--bg-secondary);
  color: var(--text-primary);
  resize: vertical;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12' fill='%236e6e73'%3E%3Cpath d='M6 8L2 4h8z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
}

input[type="text"]:focus,
input[type="email"]:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: var(--link);
  box-shadow: var(--focus-ring);
}

.field-note {
  margin-top: var(--space-xs);
  font-size: var(--text-caption);
  color: var(--text-tertiary);
  line-height: 1.4;
}

.field-note a {
  color: var(--link);
  text-decoration: none;
}

.field-note a:hover {
  text-decoration: underline;
}

.btn-primary {
  margin-top: var(--space-xl);
  border: none;
  border-radius: var(--radius-pill);
  padding: var(--space-m) var(--space-xl);
  font: inherit;
  font-size: var(--text-subhead);
  font-weight: 500;
  cursor: pointer;
  background: linear-gradient(180deg, var(--accent) 0%, var(--accent-hover) 100%);
  color: #1d1d1f;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.12);
  transition: transform 0.2s ease, box-shadow 0.2s ease, opacity 0.2s ease;
}

.btn-primary:hover {
  transform: scale(1.01);
  box-shadow: 0 4px 16px rgba(212, 160, 23, 0.35);
}

.btn-primary:active {
  transform: scale(0.99);
}

.btn-primary:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring), 0 2px 8px rgba(0, 0, 0, 0.12);
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */

.site-footer {
  border-top: 1px solid var(--separator);
  background: var(--bg-elevated);
  padding: var(--space-xl) 0;
  font-size: var(--text-caption);
  color: var(--text-secondary);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-l);
  flex-wrap: wrap;
}

.footer-left {
  display: flex;
  align-items: center;
  gap: var(--space-s);
}

.dot-separator {
  color: var(--text-tertiary);
  font-weight: 300;
}

.site-footer a {
  color: var(--link);
  text-decoration: none;
}

.site-footer a:hover {
  text-decoration: underline;
}

.footer-right {
  margin: 0;
  color: var(--text-tertiary);
  font-style: italic;
}

/* --------------------------------------------------------------------------
   Utility / legacy
   -------------------------------------------------------------------------- */

.footer-banner {
  display: block;
  margin-top: var(--space-s);
}

.footer-banner img {
  display: block;
  width: 100%;
  max-height: 140px;
  object-fit: cover;
}

.contact-block {
  padding: var(--space-m) var(--space-l);
  background: var(--bg-secondary);
  border-radius: var(--radius-m);
  border: 1px solid var(--separator);
}

.last-updated {
  font-size: var(--text-caption);
  color: var(--text-tertiary);
}

/* --------------------------------------------------------------------------
   Responsive
   -------------------------------------------------------------------------- */

@media (max-width: 880px) {
  .grid-2,
  .form-grid {
    grid-template-columns: 1fr;
  }

  .main-nav {
    gap: var(--space-l);
  }
}

@media (max-width: 640px) {
  :root {
    --section-padding: 3rem;
  }

  .header-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .main-nav {
    flex-wrap: wrap;
    gap: var(--space-m);
  }

  .request-form {
    padding: var(--space-xl);
  }

  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .hero {
    padding: var(--space-l) 0 var(--space-s);
  }
}