/* Arike Newsletter Stand
   Tokens follow the Arike brand book: one colour range (the blue ramp) on warm neutrals, Plus Jakarta Sans,
   pill controls, 16px cards and warm shadows. The petal colours are reserved for the logo. */

:root {
  --range-100: #E8F2FA;
  --range-200: #C4DFF2;
  --range-300: #8FC0E4;
  --range-400: #2F74AC;
  --range-500: #1D5280;

  --ink-900: #1C1A17;
  --ink-800: #2E2A25;
  --ink-700: #4A443C;
  --ink-600: #6B6459;
  --ink-500: #8C8478;
  --ink-300: #D6D0C7;
  --ink-200: #E9E5DE;
  --ink-100: #F4F1EB;
  --ink-050: #FBF9F5;
  --white: #FFFFFF;

  --text-heading: var(--ink-900);
  --text-body: var(--ink-800);
  --text-muted: var(--ink-600);
  --text-subtle: var(--ink-500);
  --text-accent: var(--range-500);
  --text-link: var(--range-400);
  --text-link-hover: var(--range-500);

  --surface-page: var(--ink-050);
  --surface-card: var(--white);
  --surface-sunken: var(--ink-100);
  --surface-accent-soft: var(--range-100);
  --surface-inverse: var(--ink-900);

  --border-subtle: var(--ink-200);
  --border-default: var(--ink-300);

  --action-primary: var(--range-400);
  --action-primary-hover: var(--range-500);
  --ring-focus: 0 0 0 3px rgba(47, 116, 172, 0.32);

  --radius-input: 12px;
  --radius-card: 16px;
  --radius-plate: 28px;
  --radius-pill: 999px;

  --shadow-sm: 0 1px 3px rgba(74, 68, 60, 0.07), 0 1px 2px rgba(74, 68, 60, 0.04);
  --shadow-md: 0 4px 12px rgba(74, 68, 60, 0.08);
  --shadow-lg: 0 10px 28px rgba(74, 68, 60, 0.10);
  --shadow-xl: 0 24px 56px rgba(74, 68, 60, 0.14);

  --font: "Plus Jakarta Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
  --fast: 150ms;
  --base: 220ms;
  --control: background-color var(--fast) var(--ease), color var(--fast) var(--ease),
    border-color var(--fast) var(--ease), box-shadow var(--fast) var(--ease), transform 90ms var(--ease);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  color: var(--text-body);
  background: var(--surface-page);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
body.viewer-open { overflow: hidden; }

a { color: inherit; }
button { font: inherit; color: inherit; }
img { display: block; max-width: 100%; }
h1, h2, h3 { color: var(--text-heading); }

:where(a, button, input):focus-visible { outline: 0; box-shadow: var(--ring-focus); }

.container { width: min(1140px, 100% - 3rem); margin-inline: auto; }

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

/* Nav */

.nav {
  position: sticky; top: 0; z-index: 100;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  background: rgba(251, 249, 245, 0.86);
  border-bottom: 1px solid var(--border-subtle);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; height: 60px; }

.brand { display: inline-flex; align-items: center; gap: 0.75rem; text-decoration: none; border-radius: 8px; }
.logo { height: 30px; width: auto; }
.brand-tag {
  font-size: 11px; font-weight: 700; letter-spacing: 0.09em; text-transform: uppercase; color: var(--text-subtle);
  padding-left: 0.75rem; border-left: 1px solid var(--border-subtle);
}

.nav-links { display: flex; gap: 0.25rem; }
.nav-links a {
  text-decoration: none; font-size: 14px; font-weight: 600; color: var(--text-body);
  padding: 6px 12px; border-radius: var(--radius-pill); transition: var(--control);
}
.nav-links a:hover { background: var(--surface-accent-soft); color: var(--text-accent); }

/* Buttons: hierarchy is fill, outline, soft, text */

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font-size: 14px; font-weight: 600; line-height: 1.3;
  padding: 10px 18px; min-height: 40px; border-radius: var(--radius-pill); border: 1px solid transparent;
  cursor: pointer; text-decoration: none; white-space: nowrap;
  transition: var(--control);
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: scale(0.97); }
.btn-sm { padding: 6px 14px; min-height: 34px; font-size: 13px; }
.btn-primary { background: var(--action-primary); color: #fff; box-shadow: var(--shadow-sm); }
.btn-primary:hover { background: var(--action-primary-hover); box-shadow: var(--shadow-md); }
.btn-outline { background: transparent; color: var(--action-primary); border-color: var(--action-primary); }
.btn-outline:hover { background: var(--surface-accent-soft); color: var(--action-primary-hover); }
.btn-soft { background: var(--surface-accent-soft); color: var(--text-accent); }
.btn-soft:hover { background: var(--range-200); }
.btn[disabled] { background: var(--ink-200); color: var(--text-subtle); box-shadow: none; transform: none; cursor: progress; }

/* Type helpers */

.eyebrow {
  margin: 0 0 12px; font-size: 11px; font-weight: 700; letter-spacing: 0.09em;
  text-transform: uppercase; color: var(--text-accent);
}

/* Hero */

.hero {
  display: grid; grid-template-columns: 1.1fr 0.9fr; align-items: center; gap: clamp(2rem, 5vw, 4rem);
  padding: clamp(2.5rem, 6vw, 5rem) 0 clamp(2.5rem, 5vw, 4rem);
}
.hero h1 {
  margin: 0 0 1rem; font-size: clamp(2rem, 4vw, 3.3rem); line-height: 1.08;
  letter-spacing: -0.02em; font-weight: 800;
}
.hero h1 em { font-style: normal; color: var(--text-accent); }
.lede { margin: 0 0 24px; font-size: 1rem; color: var(--text-muted); max-width: 52ch; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }

.hero-cover { display: flex; justify-content: center; }
.cover-plate {
  position: relative; width: min(100%, 300px); padding: 24px;
  border-radius: var(--radius-plate); background: var(--surface-accent-soft);
}
.cover-main {
  position: relative; display: block; width: 100%; aspect-ratio: 210 / 297; border: 0; padding: 0;
  border-radius: var(--radius-input); overflow: hidden; background: var(--surface-card); cursor: pointer;
  box-shadow: var(--shadow-lg); transition: transform var(--base) var(--ease), box-shadow var(--base) var(--ease);
}
.cover-main:hover { transform: translateY(-2px); box-shadow: var(--shadow-xl); }
.cover-main img { width: 100%; height: 100%; object-fit: cover; object-position: top; }
.cover-main .play {
  position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%);
  display: inline-flex; align-items: center; gap: 8px; padding: 8px 14px; border-radius: var(--radius-pill);
  background: rgba(28, 26, 23, 0.85); color: #fff; font-weight: 600; font-size: 13px;
  backdrop-filter: blur(8px); opacity: 0; transition: opacity var(--fast) var(--ease);
}
.cover-main:hover .play, .cover-main:focus-visible .play { opacity: 1; }

.float-chip {
  position: absolute; z-index: 2; display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 12px; border-radius: var(--radius-pill); background: var(--surface-card); border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-md); font-size: 12px; font-weight: 600; color: var(--text-body); white-space: nowrap;
}
.float-chip.new { top: -14px; left: 16px; color: var(--text-accent); }
.float-chip.fmt { bottom: -14px; right: 16px; }

/* Archive */

.archive { padding-bottom: clamp(3rem, 6vw, 5rem); }
.archive-head {
  display: flex; align-items: flex-end; justify-content: space-between; gap: 1rem; flex-wrap: wrap;
  margin-bottom: 24px;
}
.archive-head h2 { margin: 0; font-size: clamp(1.5rem, 2.4vw, 1.7rem); line-height: 1.2; letter-spacing: -0.01em; font-weight: 700; }

.toolbar { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }


.search {
  display: inline-flex; align-items: center; gap: 8px; padding: 0 12px; height: 36px;
  border-radius: var(--radius-input); background: var(--surface-card); border: 1px solid var(--border-default); color: var(--text-subtle);
  transition: var(--control);
}
.search:focus-within { border-color: var(--action-primary); box-shadow: var(--ring-focus); }
.search input { border: 0; outline: 0; background: transparent; font: inherit; font-size: 16px; color: var(--text-body); min-width: 14rem; }
.search input:focus-visible { box-shadow: none; }
.search input::placeholder { color: var(--text-subtle); }

.year-group { margin-bottom: 32px; }
.year-label {
  display: flex; align-items: center; gap: 12px; margin: 0 0 12px;
  font-size: 11px; font-weight: 700; letter-spacing: 0.09em; color: var(--text-subtle);
}
.year-label::after { content: ""; flex: 1; height: 1px; background: var(--border-subtle); }

.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 16px; }

.card {
  position: relative; display: flex; flex-direction: column; border-radius: var(--radius-card);
  background: var(--surface-card); border: 1px solid var(--border-subtle); box-shadow: var(--shadow-sm);
  transition: transform var(--base) var(--ease), box-shadow var(--base) var(--ease);
}
.card:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg); }
.card:focus-within { box-shadow: var(--ring-focus), var(--shadow-lg); }

.thumb-placeholder {
  position: absolute; inset: 0; padding: 12px; display: flex; flex-direction: column; justify-content: space-between;
  background: var(--surface-accent-soft);
}
.thumb-placeholder .ph-logo { width: 60%; height: auto; }
.thumb-placeholder .ph-rule { height: 3px; width: 46%; background: var(--range-300); margin-top: 8px; border-radius: 2px; }
.thumb-placeholder .ph-issue { font-size: 1.6rem; font-weight: 800; letter-spacing: -0.02em; color: rgba(28, 26, 23, 0.14); line-height: 1; }

.card-body { padding: 16px; display: flex; flex-direction: column; flex: 1; }
.card-tags { display: flex; align-items: center; gap: 8px; margin-bottom: 14px; }
.tag {
  display: inline-flex; align-items: center; font-size: 11px; font-weight: 600; line-height: 1.2;
  padding: 4px 10px; border-radius: var(--radius-pill); background: var(--surface-sunken); color: var(--ink-700);
}
.tag-accent { background: var(--surface-accent-soft); color: var(--text-accent); }
.card-month { margin: 0; font-size: 22px; font-weight: 700; line-height: 1.2; letter-spacing: -0.01em; }
.card-month button { all: unset; cursor: pointer; }
.card-month button::after { content: ""; position: absolute; inset: 0; border-radius: var(--radius-card); }
.card-year { font-size: 12px; font-weight: 500; color: var(--text-subtle); }
.card-title {
  margin: 8px 0 0; font-size: 13px; line-height: 1.45; color: var(--text-muted);
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}

.card-actions { display: flex; align-items: center; justify-content: space-between; margin-top: auto; padding-top: 14px; position: relative; z-index: 1; }
.link-btn {
  border: 0; background: transparent; padding: 4px 0; min-height: 36px; font-size: 13px; font-weight: 600; color: var(--text-accent);
  cursor: pointer; display: inline-flex; align-items: center; gap: 4px; border-radius: 4px; transition: var(--control);
}
.link-btn:hover { color: var(--action-primary); }
.round-btn {
  width: 36px; height: 36px; border-radius: 50%; border: 1px solid var(--border-subtle); background: var(--surface-card); color: var(--ink-700);
  display: inline-flex; align-items: center; justify-content: center; cursor: pointer; transition: var(--control);
}
.round-btn:hover { background: var(--surface-accent-soft); color: var(--text-accent); border-color: var(--range-200); }
.round-btn:active { transform: scale(0.97); }
.round-btn[disabled] { background: var(--ink-200); color: var(--text-subtle); cursor: progress; }

.empty { color: var(--text-muted); text-align: center; padding: 3rem 0; }

/* Footer */

.footer { background: var(--surface-inverse); color: rgba(255, 255, 255, 0.75); margin-top: 40px; }
.footer-inner {
  display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 32px; padding: 56px 0 40px; align-items: start;
}
.footer-logo img { height: 34px; width: auto; }
.footer-brand p { margin: 16px 0 0; font-size: 14px; line-height: 1.65; }
.footer-col { display: flex; flex-direction: column; gap: 8px; }
.footer-col h3 { margin: 0 0 4px; font-size: 11px; font-weight: 700; letter-spacing: 0.09em; text-transform: uppercase; color: rgba(255, 255, 255, 0.5); }
.footer-col a { text-decoration: none; font-size: 14px; color: #fff; opacity: 0.85; transition: var(--control); }
.footer-col a:hover { opacity: 1; color: var(--range-300); }

.footer-base {
  display: flex; align-items: center; justify-content: space-between; gap: 1rem; flex-wrap: wrap;
  padding: 20px 0 24px; border-top: 1px solid rgba(255, 255, 255, 0.1); font-size: 12px; font-weight: 500;
}

/* Viewer (same window overlay for PDF and HTML issues) */

.viewer { position: fixed; inset: 0; z-index: 1000; display: flex; flex-direction: column; background: var(--ink-900); }
.viewer[hidden] { display: none; }

.viewer-bar {
  display: flex; align-items: center; gap: 12px; height: 56px; padding: 0 12px;
  background: rgba(251, 249, 245, 0.96); backdrop-filter: blur(16px); border-bottom: 1px solid var(--border-subtle);
}
.viewer-meta { flex: 1; min-width: 0; }
.viewer-kicker { display: block; font-size: 11px; font-weight: 700; letter-spacing: 0.09em; text-transform: uppercase; color: var(--text-subtle); }
.viewer-title { margin: 0; font-size: 14px; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.viewer-actions { display: flex; align-items: center; gap: 4px; }
.pager { display: inline-flex; padding: 2px; border-radius: var(--radius-pill); background: var(--surface-sunken); }

.icon-btn {
  display: inline-flex; align-items: center; gap: 6px; font-size: 13px; font-weight: 600; color: var(--text-body);
  background: transparent; border: 0; border-radius: var(--radius-pill); padding: 7px 10px; cursor: pointer; text-decoration: none;
  transition: var(--control);
}
.icon-btn:hover { background: var(--surface-accent-soft); color: var(--text-accent); }
.icon-btn[disabled] { opacity: 0.35; cursor: default; background: transparent; color: var(--text-body); }

.viewer-stage { position: relative; flex: 1; min-height: 0; }
.viewer-stage iframe { width: 100%; height: 100%; border: 0; background: #fff; }
.viewer-stage iframe[hidden] { display: none; }

.pdf-stage {
  position: absolute; inset: 0; overflow-y: auto; overflow-x: hidden;
  padding: 20px 12px 48px; -webkit-overflow-scrolling: touch;
}
.pdf-stage[hidden] { display: none; }
.pdf-page {
  position: relative; margin: 0 auto 16px; width: min(100%, 900px); background: #fff;
  border-radius: 8px; box-shadow: 0 12px 40px -16px rgba(28, 26, 23, 0.6); overflow: hidden;
}
.pdf-page canvas { display: block; width: 100%; height: auto; }
.pdf-page .pdf-num {
  position: absolute; right: 8px; bottom: 8px; font-size: 11px; font-weight: 600;
  color: var(--text-muted); background: rgba(255, 255, 255, 0.9); padding: 2px 8px; border-radius: var(--radius-pill);
}
.pdf-loading {
  position: absolute; left: 50%; top: 45%; transform: translate(-50%, -50%);
  display: flex; flex-direction: column; align-items: center; gap: 12px; color: rgba(255, 255, 255, 0.8); font-size: 13px; font-weight: 600;
}
.pdf-loading::before {
  content: ""; width: 28px; height: 28px; border-radius: 50%;
  border: 3px solid rgba(255, 255, 255, 0.2); border-top-color: var(--range-300); animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.viewer-status {
  position: absolute; top: 12px; left: 50%; transform: translateX(-50%); z-index: 2;
  background: var(--surface-card); color: var(--text-heading); border: 1px solid var(--border-subtle);
  font-size: 13px; font-weight: 600; padding: 8px 14px; border-radius: var(--radius-pill);
  box-shadow: var(--shadow-lg);
}

/* Reveal: fade and rise 8px */

.reveal { opacity: 0; transform: translateY(8px); animation: rise var(--base) var(--ease) forwards; }
@keyframes rise { to { opacity: 1; transform: none; } }

/* Responsive */

@media (max-width: 960px) {
  .hero { grid-template-columns: 1fr; }
  .hero-cover { order: -1; }
  .cover-plate { width: min(60%, 240px); }
  .footer-inner { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  .nav-links { display: none; }
  .nav-inner { gap: 0.75rem; }
  .logo { height: 26px; }
  .btn-sm { min-height: 40px; padding: 8px 14px; }
  .archive-head { align-items: stretch; }
  .toolbar { width: 100%; }
  .search { flex: 1; height: 44px; }
  .search input { min-width: 0; width: 100%; }
  .grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .card-body { padding: 14px; }
  .card-month { font-size: 19px; }
  .link-btn, .round-btn { min-height: 44px; }
  .round-btn { width: 44px; height: 44px; }
  .footer-inner { grid-template-columns: 1fr; gap: 24px; padding: 40px 0 32px; }
  .footer-col a { padding: 4px 0; }
  .footer-base { justify-content: center; text-align: center; }
  .viewer-bar { gap: 8px; padding: 0 8px; padding-top: env(safe-area-inset-top); height: calc(56px + env(safe-area-inset-top)); }
  .icon-btn { min-width: 44px; min-height: 44px; justify-content: center; }
  #viewer-back span, #viewer-download-label, .pager { display: none; }
  .pdf-stage { padding: 12px 8px calc(32px + env(safe-area-inset-bottom)); }
  .float-chip.new { left: 8px; }
  .float-chip.fmt { right: 8px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 1ms !important; transition-duration: 1ms !important; }
  .reveal { opacity: 1; transform: none; }
}