/* Kairós / The Kairos Rock — shared styles, mobile-first */

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --bg: #0a0a0a;
  --bg-elevated: #141414;
  --fg: #e8e8e8;
  --muted: #9a9a9a;
  --accent: #c41e3a;
  --accent-soft: #ff4d6d;
  --border: #2a2a2a;
  --font: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --max: 42rem;
  --nav-h: 3.5rem;
}

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--fg);
  line-height: 1.55;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

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

a:hover,
a:focus-visible {
  text-decoration: underline;
  outline: none;
}

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

/* —— Nav —— */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 10, 10, 0.92);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(8px);
}

.nav {
  max-width: 56rem;
  margin: 0 auto;
  padding: 0.75rem 1rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  min-height: var(--nav-h);
}

.logo {
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--fg);
  font-size: 0.95rem;
}

.logo:hover {
  color: var(--accent-soft);
  text-decoration: none;
}

.nav-links {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1rem;
}

.nav-links a {
  color: var(--muted);
  font-size: 0.85rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.nav-links a:hover,
.nav-links a[aria-current="page"] {
  color: var(--fg);
  text-decoration: none;
}

.nav-links a[aria-current="page"] {
  border-bottom: 2px solid var(--accent);
  padding-bottom: 0.1rem;
}

.lang-switch {
  display: flex;
  align-items: center;
  gap: 0.28rem;
  margin-left: 0.15rem;
}

.lang-switch button {
  background: none;
  border: 0;
  padding: 0;
  color: var(--muted);
  font: inherit;
  font-size: 0.85rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  cursor: pointer;
}

.lang-switch button:hover,
.lang-switch button.is-active {
  color: var(--fg);
}

.lang-switch button.is-active {
  border-bottom: 2px solid var(--accent);
  padding-bottom: 0.1rem;
}

.lang-sep {
  color: var(--border);
  font-size: 0.8rem;
}

/* —— Main —— */
main {
  flex: 1;
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
  padding: 2rem 1rem 3rem;
}

.hero {
  text-align: center;
  padding: 2.5rem 0 2rem;
}

.hero h1 {
  font-size: clamp(2rem, 8vw, 3.25rem);
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  line-height: 1.1;
  margin-bottom: 0.75rem;
}

.hero .tagline {
  color: var(--muted);
  font-size: 1.05rem;
  max-width: 22rem;
  margin: 0 auto 1.75rem;
}

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
}

.btn {
  display: inline-block;
  padding: 0.65rem 1.25rem;
  border: 1px solid var(--accent);
  background: var(--accent);
  color: #fff;
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border-radius: 2px;
}

.btn:hover {
  background: transparent;
  color: var(--accent-soft);
  text-decoration: none;
}

.btn-ghost {
  background: transparent;
  color: var(--fg);
  border-color: var(--border);
}

.btn-ghost:hover {
  border-color: var(--fg);
  color: var(--fg);
}

/* —— Sections —— */
.section-title {
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1rem;
}

h1.page-title {
  font-size: clamp(1.75rem, 6vw, 2.5rem);
  font-weight: 900;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
  line-height: 1.15;
}

.lead {
  color: var(--muted);
  margin-bottom: 2rem;
  font-size: 1.05rem;
}

.card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  padding: 1.25rem;
  margin-bottom: 1rem;
  border-radius: 2px;
}

.card h2,
.card h3 {
  font-size: 1.1rem;
  margin-bottom: 0.4rem;
  letter-spacing: 0.04em;
}

.card p {
  color: var(--muted);
  font-size: 0.95rem;
}

.note {
  font-size: 0.8rem;
  color: var(--muted);
  border-left: 3px solid var(--accent);
  padding: 0.5rem 0.75rem;
  margin: 1rem 0;
  background: var(--bg-elevated);
}

.links-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.links-list a {
  display: block;
  padding: 1rem 1.15rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  color: var(--fg);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.85rem;
}

.links-list a:hover {
  border-color: var(--accent);
  color: var(--accent-soft);
  text-decoration: none;
}

/* —— Blog —— */
.blog-list {
  list-style: none;
}

.blog-list li {
  border-bottom: 1px solid var(--border);
  padding: 1.15rem 0;
}

.blog-list a {
  color: var(--fg);
  font-weight: 700;
  font-size: 1.05rem;
}

.blog-list a:hover {
  color: var(--accent-soft);
}

.meta {
  display: block;
  color: var(--muted);
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-top: 0.35rem;
}

.article-body {
  margin-top: 1.5rem;
}

.article-body p {
  margin-bottom: 1rem;
  color: var(--muted);
}

.article-body p:first-of-type {
  color: var(--fg);
}

.back-link {
  display: inline-block;
  margin-top: 2rem;
  font-size: 0.85rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

/* —— Footer —— */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 1.5rem 1rem;
  text-align: center;
  color: var(--muted);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.site-footer a {
  color: var(--muted);
}

.site-footer a:hover {
  color: var(--accent-soft);
}

.site-footer p {
  max-width: 36rem;
  margin: 0 auto;
}

/* —— Soft page feel —— */
@media (prefers-reduced-motion: no-preference) {
  main {
    animation: fadeIn 0.35s ease;
  }
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: none; }
}

@media (min-width: 640px) {
  main {
    padding: 2.5rem 1.5rem 4rem;
  }

  .hero {
    padding: 3.5rem 0 2.5rem;
  }
}