/* Kindairy — landing styles
   Visual language inspired by Ancient Sky: cream/blue gradient bg,
   large rounded white cards, dark navy serif headlines, amber accent. */

:root {
  --bg-1: #f4ecdf;
  --bg-2: #e7eef6;
  --card: #ffffff;
  --ink: #14304f;
  --ink-soft: #3e5269;
  --muted: #6e7d8e;
  --line: #e6ddcc;
  --line-soft: #eee5d4;
  --accent: #e8a55c;
  --accent-ink: #b56f1f;
  --accent-soft: #fbe7c7;
  --primary: #14304f;
  --shadow-sm: 0 1px 2px rgba(20, 48, 79, 0.05),
    0 6px 16px rgba(20, 48, 79, 0.06);
  --shadow-md: 0 10px 30px rgba(20, 48, 79, 0.08),
    0 2px 6px rgba(20, 48, 79, 0.05);
  --shadow-lg: 0 30px 70px rgba(20, 48, 79, 0.14),
    0 12px 28px rgba(20, 48, 79, 0.08);
  --radius-sm: 12px;
  --radius-md: 18px;
  --radius-lg: 28px;
  --radius-xl: 36px;
  --max-w: 1240px;
  --font-sans: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, Arial,
    sans-serif;
  --font-display: "Fraunces", "Source Serif Pro", Georgia, "Times New Roman",
    serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--ink);
  background: radial-gradient(
      900px 600px at 95% -10%,
      #dde6f3 0%,
      transparent 60%
    ),
    radial-gradient(900px 700px at -10% 110%, #f3e2c8 0%, transparent 55%),
    linear-gradient(180deg, var(--bg-1) 0%, var(--bg-2) 100%);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img {
  max-width: 100%;
  display: block;
}

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

a:hover {
  text-decoration: underline;
}

.visually-hidden {
  position: absolute !important;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Layout container */
.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 28px;
}

/* Header */
.site-header {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 24px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  color: var(--ink);
}

.brand:hover {
  text-decoration: none;
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: 14px;
  background: #fff;
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.brand-mark svg {
  width: 100%;
  height: 100%;
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.brand-name {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.brand-tag {
  font-size: 13px;
  color: var(--ink-soft);
  margin-top: 4px;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 20px;
  font-weight: 600;
  font-size: 15px;
  border-radius: 12px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease,
    color 0.15s ease, border-color 0.15s ease;
  white-space: nowrap;
}

.btn:hover {
  text-decoration: none;
  transform: translateY(-1px);
}

.btn-primary {
  background: var(--accent);
  color: var(--ink);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.6) inset,
    0 6px 16px rgba(232, 165, 92, 0.35);
}

.btn-primary:hover {
  background: #efb877;
  color: var(--ink);
}

.btn-outline {
  background: #fff;
  color: var(--ink);
  border-color: var(--line);
}

.btn-outline:hover {
  border-color: var(--ink-soft);
}

.btn-lg {
  padding: 14px 24px;
  font-size: 16px;
}

/* Cards */
.card {
  background: var(--card);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.card-pad {
  padding: 36px;
}

/* Pill tag */
.pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  background: var(--accent-soft);
  border-radius: 999px;
  font-size: 14px;
  font-weight: 500;
  color: var(--accent-ink);
}

.pill::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
}

/* Typography */
h1,
h2,
h3,
h4 {
  font-family: var(--font-display);
  color: var(--ink);
  letter-spacing: -0.02em;
  line-height: 1.1;
  margin: 0 0 14px;
  font-weight: 700;
}

h1 {
  font-size: clamp(36px, 5vw, 56px);
}

h2 {
  font-size: clamp(26px, 3vw, 36px);
}

h3 {
  font-size: 20px;
}

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

.lede {
  font-size: 18px;
  color: var(--ink-soft);
  max-width: 60ch;
}

/* Hero grid */
.hero {
  max-width: var(--max-w);
  margin: 8px auto 0;
  padding: 0 28px;
  display: grid;
  grid-template-columns: 1.55fr 1fr;
  gap: 24px;
}

.hero-main {
  padding: 40px;
}

.hero-main h1 {
  margin: 18px 0 16px;
}

.hero-meta {
  margin-top: 16px;
  font-size: 13.5px;
  color: var(--muted);
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.hero-art {
  margin-top: 28px;
  border-radius: 22px;
  overflow: hidden;
  background: linear-gradient(180deg, #f1f5fa 0%, #e9eef6 100%);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.9) inset,
    0 10px 30px rgba(20, 48, 79, 0.08);
  aspect-ratio: 16 / 9;
}

.hero-art img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  object-position: center;
}

.hero-side {
  display: grid;
  gap: 18px;
  align-content: start;
}

.side-card {
  padding: 26px 28px;
}

.side-card h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 19px;
}

.side-card p {
  margin: 0;
  font-size: 15px;
}

/* Feature row */
.features {
  max-width: var(--max-w);
  margin: 24px auto 0;
  padding: 0 28px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.feature {
  padding: 30px 28px;
}

.feature h3 {
  margin: 0 0 8px;
  font-size: 20px;
}

.feature p {
  margin: 0;
  font-size: 15px;
}

/* Steps */
.section {
  max-width: var(--max-w);
  margin: 56px auto 0;
  padding: 0 28px;
}

.section-head {
  margin-bottom: 24px;
  max-width: 720px;
}

.steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
  counter-reset: step;
}

.steps li {
  padding: 28px;
  background: var(--card);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--accent-soft);
  color: var(--accent-ink);
  font-family: var(--font-display);
  font-weight: 700;
  margin-bottom: 12px;
}

.steps h3 {
  margin: 0 0 6px;
  font-size: 19px;
}

.steps p {
  margin: 0;
  font-size: 15px;
}

/* Privacy callout */
.privacy-callout {
  max-width: var(--max-w);
  margin: 56px auto 0;
  padding: 0 28px;
}

.privacy-card {
  padding: 44px;
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  align-items: center;
  gap: 28px;
}

.privacy-card h2 {
  margin: 12px 0 10px;
}

.privacy-card .pill {
  background: #e9eef6;
  color: var(--ink);
}

.privacy-card .pill::before {
  background: var(--ink);
}

.privacy-card-actions {
  display: flex;
  flex-direction: column;
  gap: 14px;
  align-items: flex-start;
}

/* Footer */
.site-footer {
  margin-top: 72px;
  padding: 36px 28px 28px;
  border-top: 1px solid var(--line-soft);
  background: rgba(255, 255, 255, 0.45);
  backdrop-filter: blur(2px);
}

.footer-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.5fr;
  gap: 32px;
}

.footer-brand .brand-name {
  display: block;
  font-size: 22px;
}

.footer-brand p {
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 14px;
}

.footer-links h4 {
  font-family: var(--font-sans);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 12px;
  font-weight: 700;
}

.footer-links a {
  display: block;
  color: var(--ink-soft);
  padding: 4px 0;
  font-size: 14.5px;
}

.footer-links a:hover {
  color: var(--ink);
  text-decoration: none;
}

.contact-email {
  margin: 0;
  font-size: 14.5px;
  color: var(--ink-soft);
  word-break: break-word;
}

.contact-email .obf {
  font-weight: 600;
  color: var(--accent-ink);
}

.footer-bottom {
  max-width: var(--max-w);
  margin: 28px auto 0;
  padding-top: 18px;
  border-top: 1px solid var(--line-soft);
  color: var(--muted);
  font-size: 13px;
}

/* Doc page */
.doc {
  max-width: 820px;
  margin: 0 auto;
  padding: 32px 28px 80px;
}

.doc .card {
  padding: 44px;
}

.doc-head {
  margin-bottom: 28px;
}

.doc-head h1 {
  margin: 14px 0 6px;
  font-size: clamp(34px, 4.5vw, 48px);
}

.doc-meta {
  color: var(--muted);
  font-size: 14px;
}

.doc article > section {
  margin-top: 26px;
}

.doc h2 {
  font-size: 22px;
  margin: 0 0 10px;
}

.doc h3 {
  font-family: var(--font-sans);
  font-size: 15.5px;
  font-weight: 700;
  color: var(--ink);
  margin: 14px 0 4px;
}

.doc p,
.doc li {
  font-size: 16px;
  color: var(--ink-soft);
}

.doc ul {
  padding-left: 20px;
  margin: 6px 0 12px;
}

.doc li {
  margin-bottom: 6px;
}

.doc-back {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 20px;
  font-size: 14px;
  color: var(--ink-soft);
}

/* Responsive */
@media (max-width: 1000px) {
  .hero {
    grid-template-columns: 1fr;
  }
  .features {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .privacy-card {
    grid-template-columns: 1fr;
  }
  .footer-inner {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 620px) {
  .site-header {
    flex-wrap: wrap;
  }
  .hero-main,
  .doc .card,
  .privacy-card {
    padding: 28px;
  }
  .features,
  .steps {
    grid-template-columns: 1fr;
  }
  .footer-inner {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  h1 {
    font-size: 36px;
  }
}