/* NCS Portal — Premium renewal (fonts enqueued in functions.php) */

:root {
  --bg: #ebe9e4;
  --bg-elevated: #f7f6f3;
  --bg-soft: #e3e0d9;
  --ink: #2c2a26;
  --ink-muted: #6a655c;
  --ink-faint: #958e83;
  --line: rgba(44, 42, 38, 0.12);
  --accent: #9a7b4f;
  --accent-soft: rgba(154, 123, 79, 0.12);
  --accent-strong: #7f643c;
  --max: 1120px;
  --nav-h: 72px;
  --font-display: "Cormorant Garamond", "Times New Roman", serif;
  --font-body: "Noto Sans JP", "Hiragino Sans", "Yu Gothic UI", sans-serif;
  --shadow: 0 18px 40px rgba(44, 42, 38, 0.08);
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink);
  background:
    radial-gradient(ellipse 70% 45% at 8% -8%, rgba(154, 123, 79, 0.1), transparent 52%),
    radial-gradient(ellipse 55% 40% at 100% 0%, rgba(160, 168, 160, 0.12), transparent 48%),
    linear-gradient(180deg, #f2f0eb 0%, var(--bg) 42%, #e5e2db 100%);
  background-attachment: fixed;
}

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

a {
  color: inherit;
  text-decoration: none;
}

button,
input {
  font: inherit;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--accent);
  color: #fff;
  padding: 0.75rem 1rem;
  z-index: 1000;
}

.skip-link:focus {
  left: 1rem;
  top: 1rem;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  border-bottom: 1px solid var(--line);
  background: rgba(247, 246, 243, 0.88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.header-inner {
  width: min(100% - 2.5rem, var(--max));
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.brand {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
}

.brand strong {
  font-family: var(--font-display);
  font-size: 1.55rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  color: var(--ink);
}

.brand span {
  font-size: 0.68rem;
  font-weight: 300;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--accent);
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--ink);
  cursor: pointer;
  position: relative;
}

.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after {
  content: "";
  position: absolute;
  left: 12px;
  right: 12px;
  height: 1px;
  background: currentColor;
  transition: transform 0.3s var(--ease), opacity 0.2s;
}

.nav-toggle span {
  top: 50%;
}

.nav-toggle span::before {
  top: -7px;
}

.nav-toggle span::after {
  top: 7px;
}

.nav-toggle[aria-expanded="true"] span {
  background: transparent;
}

.nav-toggle[aria-expanded="true"] span::before {
  top: 0;
  transform: rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span::after {
  top: 0;
  transform: rotate(-45deg);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 0.15rem;
}

.site-nav a {
  padding: 0.55rem 0.75rem;
  font-size: 0.8rem;
  font-weight: 400;
  letter-spacing: 0.04em;
  color: var(--ink-muted);
  transition: color 0.25s var(--ease);
  white-space: nowrap;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  color: var(--accent-strong);
}

.nav-login {
  margin-left: 0.45rem;
  padding: 0.55rem 1.05rem !important;
  border: 1px solid var(--accent);
  color: var(--accent) !important;
  letter-spacing: 0.12em;
  font-size: 0.74rem !important;
  transition: background 0.25s var(--ease), color 0.25s var(--ease) !important;
}

.nav-login:hover {
  background: var(--accent);
  color: #fff !important;
}

main {
  padding-bottom: 5rem;
}

.wrap {
  width: min(100% - 2.5rem, var(--max));
  margin-inline: auto;
}

.wrap--narrow {
  width: min(100% - 2.5rem, 46rem);
}

.hero {
  position: relative;
  min-height: calc(100vh - var(--nav-h));
  display: grid;
  align-items: center;
  padding: 4rem 0 5rem;
  overflow: hidden;
  text-align: center;
  color: #fff;
}

.hero > .wrap {
  position: relative;
  z-index: 1;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(
      180deg,
      rgba(28, 26, 22, 0.55) 0%,
      rgba(28, 26, 22, 0.42) 42%,
      rgba(28, 26, 22, 0.68) 100%
    ),
    url("../images/hero2.png") center 35% / cover no-repeat;
  z-index: 0;
}

.hero-kicker {
  display: inline-block;
  margin-bottom: 1.25rem;
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: #e8d5b5;
  text-shadow: 0 1px 12px rgba(0, 0, 0, 0.45);
  opacity: 0;
  animation: fadeUp 0.9s var(--ease) 0.1s forwards;
}

.hero h1 {
  margin: 0 0 1rem;
  font-family: var(--font-display);
  font-size: clamp(3.2rem, 8vw, 5.5rem);
  font-weight: 600;
  line-height: 1.05;
  letter-spacing: 0.18em;
  color: #fff;
  text-shadow: 0 2px 24px rgba(0, 0, 0, 0.55);
  opacity: 0;
  animation: fadeUp 0.9s var(--ease) 0.25s forwards;
}

.hero-lead {
  max-width: 28rem;
  margin: 0 auto;
  padding-bottom: 50px;
  color: rgba(255, 255, 255, 0.92);
  font-weight: 400;
  font-size: 1rem;
  text-align: center;
  text-shadow: 0 1px 16px rgba(0, 0, 0, 0.5);
  opacity: 0;
  animation: fadeUp 0.9s var(--ease) 0.4s forwards;
}

.hero-actions {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.85rem;
  opacity: 0;
  animation: fadeUp 0.9s var(--ease) 0.55s forwards;
}

.hero .btn-ghost {
  border-color: rgba(255, 255, 255, 0.55);
  color: #fff;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(6px);
}

.hero .btn-ghost:hover {
  border-color: #fff;
  color: #fff;
  background: rgba(255, 255, 255, 0.2);
}

.hero .btn-primary {
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.28);
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 48px;
  padding: 0.75rem 1.5rem;
  border: 1px solid transparent;
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  cursor: pointer;
  transition: background 0.3s var(--ease), color 0.3s var(--ease), border-color 0.3s var(--ease),
    transform 0.3s var(--ease);
}

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

.btn-primary {
  background: var(--accent);
  color: #fff;
}

.btn-primary:hover {
  background: var(--accent-strong);
  color: #fff;
}

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

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

.section {
  padding: 4.5rem 0;
}

.section + .section {
  border-top: 1px solid var(--line);
}

.section-head {
  margin-bottom: 2.5rem;
  max-width: 36rem;
}

.section-eyebrow {
  margin: 0 0 0.65rem;
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--accent);
}

.section-head h2 {
  margin: 0 0 0.75rem;
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 3.5vw, 2.6rem);
  font-weight: 600;
  letter-spacing: 0.06em;
  line-height: 1.25;
}

.section-head p {
  margin: 0;
  color: var(--ink-muted);
  font-weight: 300;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
}

.feature {
  position: relative;
  display: block;
  padding: 2rem 1.75rem;
  background: linear-gradient(145deg, var(--bg-elevated), var(--bg-soft));
  border: 1px solid var(--line);
  transition: border-color 0.35s var(--ease), transform 0.35s var(--ease), box-shadow 0.35s var(--ease);
}

.feature::after {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--accent);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform 0.4s var(--ease);
}

.feature:hover {
  border-color: rgba(154, 123, 79, 0.4);
  transform: translateY(-3px);
  box-shadow: var(--shadow);
}

.feature:hover::after {
  transform: scaleY(1);
}

.feature-label {
  display: block;
  margin-bottom: 0.85rem;
  font-size: 0.68rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent);
}

.feature h3 {
  margin: 0 0 0.65rem;
  font-family: var(--font-display);
  font-size: 1.55rem;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.feature p {
  margin: 0;
  color: var(--ink-muted);
  font-size: 0.92rem;
  font-weight: 300;
}

.feature-arrow {
  display: inline-block;
  margin-top: 1.35rem;
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  color: var(--accent-strong);
}

.chapter-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}

.chapter-list a {
  display: grid;
  grid-template-columns: 4.5rem 1fr auto;
  align-items: center;
  gap: 1rem;
  padding: 1.25rem 0.25rem;
  border-bottom: 1px solid var(--line);
  transition: background 0.3s var(--ease), padding-left 0.3s var(--ease);
}

.chapter-list a:hover {
  background: var(--accent-soft);
  padding-left: 0.75rem;
}

.chapter-num {
  font-family: var(--font-display);
  font-size: 1.35rem;
  letter-spacing: 0.08em;
  color: var(--accent);
}

.chapter-title {
  font-size: 0.98rem;
  font-weight: 400;
  letter-spacing: 0.02em;
}

.chapter-go {
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  color: var(--ink-faint);
  transition: color 0.25s;
}

.chapter-list a:hover .chapter-go {
  color: var(--accent-strong);
}

.dir-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2.5rem;
}

.dir-block h3 {
  margin: 0 0 1.1rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--line);
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 600;
  letter-spacing: 0.08em;
}

.chip-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.chip-list a {
  display: inline-flex;
  align-items: center;
  padding: 0.45rem 0.9rem;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.55);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: var(--ink-muted);
  transition: border-color 0.25s, color 0.25s, background 0.25s;
}

.chip-list a:hover {
  border-color: var(--accent);
  color: var(--accent-strong);
  background: var(--accent-soft);
}

.page-hero {
  padding: 3.5rem 0 2.5rem;
  border-bottom: 1px solid var(--line);
}

.page-hero .breadcrumb {
  margin: 0 0 1rem;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--ink-faint);
}

.page-hero .breadcrumb a:hover {
  color: var(--accent);
}

.page-hero h1 {
  margin: 0 0 0.75rem;
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 600;
  letter-spacing: 0.06em;
  line-height: 1.2;
}

.page-hero p {
  margin: 0;
  max-width: 36rem;
  color: var(--ink-muted);
  font-weight: 300;
}

.content-panel {
  margin-top: 2.5rem;
  padding: 2rem;
  background: var(--bg-elevated);
  border: 1px solid var(--line);
}

.content-panel h2 {
  margin: 0 0 1rem;
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 600;
}

.content-panel p {
  margin: 0 0 1rem;
  color: var(--ink-muted);
  font-weight: 300;
}

.content-panel p:last-child {
  margin-bottom: 0;
}

.content-panel ul {
  margin: 0;
  padding-left: 1.2rem;
  color: var(--ink-muted);
}

.content-panel li + li {
  margin-top: 0.45rem;
}

.page-body {
  margin-bottom: 1.5rem;
}

.page-body > *:last-child {
  margin-bottom: 0;
}

.page-body--chips ul,
.page-body .chip-list {
  list-style: none;
  margin: 0.5rem 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.page-body--chips ul li + li,
.page-body .chip-list li + li {
  margin-top: 0;
}

.page-body--chips a,
.page-body .chip-list a {
  display: inline-flex;
  align-items: center;
  padding: 0.45rem 0.9rem;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.55);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: var(--ink-muted);
  transition: border-color 0.25s, color 0.25s, background 0.25s;
}

.page-body--chips a:hover,
.page-body .chip-list a:hover {
  border-color: var(--accent);
  color: var(--accent-strong);
  background: var(--accent-soft);
}

.page-body--links ul,
.page-body .link-stack {
  list-style: none;
  margin: 0.5rem 0 0;
  padding: 0;
}

.page-body--links ul li + li,
.page-body .link-stack li + li {
  margin-top: 0;
}

.page-body--links a,
.page-body .link-stack a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--line);
  color: var(--ink);
  text-decoration: none;
  transition: color 0.25s;
}

.page-body--links a:hover,
.page-body .link-stack a:hover {
  color: var(--accent);
}

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

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

.video-list > li:last-child {
  border-bottom: 0;
}

.video-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.5rem 1rem;
  margin-bottom: 0.55rem;
}

.video-meta h3 {
  margin: 0;
  flex: 1 1 14rem;
  font-size: 0.98rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  line-height: 1.5;
}

.video-meta .duration {
  font-family: var(--font-display);
  font-size: 0.95rem;
  letter-spacing: 0.06em;
  color: var(--accent);
}

.video-meta .speaker {
  font-size: 0.78rem;
  color: var(--ink-faint);
  letter-spacing: 0.04em;
}

.video-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-bottom: 0.75rem;
}

.video-note {
  margin: 0 0 0.75rem;
  font-size: 0.78rem;
  color: var(--ink-faint);
}

.video-embed {
  position: relative;
  display: block;
  width: min(100%, 720px);
  aspect-ratio: 16 / 9;
  background: #e8e2d8;
  border: 1px solid var(--line);
  overflow: hidden;
  color: inherit;
  text-decoration: none;
}

.video-embed iframe,
.video-embed img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
  object-fit: cover;
}

.video-embed--poster {
  transition: border-color 0.25s, box-shadow 0.25s;
}

.video-embed--poster:hover {
  border-color: var(--accent);
}

.video-embed-play {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 3.4rem;
  height: 3.4rem;
  margin: -1.7rem 0 0 -1.7rem;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.88);
  box-shadow: 0 0.4rem 1.2rem rgba(0, 0, 0, 0.18);
  pointer-events: none;
}

.video-embed-play::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  margin: -0.45rem 0 0 -0.25rem;
  border-style: solid;
  border-width: 0.5rem 0 0.5rem 0.85rem;
  border-color: transparent transparent transparent #5c5346;
}

.section-note {
  margin: 0 0 1.25rem;
  padding: 0.85rem 1rem;
  border-left: 2px solid var(--accent);
  background: var(--accent-soft);
  font-size: 0.84rem;
  color: var(--ink-muted);
}

.video-group-title {
  margin: 2rem 0 0.75rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--line);
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 600;
  letter-spacing: 0.06em;
}

.video-group-title:first-child {
  margin-top: 0;
}

/* Lesson list (chapter archive style) */
.lesson-cards {
  list-style: none;
  margin: 0 0 1.5rem;
  padding: 0;
  display: grid;
  gap: 0.85rem;
}

.lesson-card {
  display: block;
  padding: 1.35rem 1.4rem;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.72);
  color: inherit;
  text-decoration: none;
  transition: border-color 0.25s, background 0.25s, transform 0.25s;
}

.lesson-card:hover {
  border-color: var(--accent);
  background: var(--bg-elevated);
  transform: translateY(-1px);
}

.lesson-card-title {
  display: block;
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  line-height: 1.45;
  color: var(--ink);
}

.lesson-card-excerpt {
  display: block;
  margin-top: 0.55rem;
  font-size: 0.88rem;
  font-weight: 300;
  line-height: 1.7;
  color: var(--ink-muted);
}

.lesson-pagination {
  margin: 1.5rem 0 0;
}

.lesson-pagination .page-numbers {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.45rem;
}

.lesson-pagination .page-numbers li {
  margin: 0;
}

.lesson-pagination a,
.lesson-pagination span {
  display: inline-grid;
  place-items: center;
  min-width: 2.4rem;
  height: 2.4rem;
  padding: 0 0.55rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.7);
  color: var(--ink-muted);
  font-size: 0.85rem;
  text-decoration: none;
}

.lesson-pagination a:hover {
  border-color: var(--accent);
  color: var(--accent-strong);
}

.lesson-pagination .current {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

/* Single lesson article */
.lesson-chapter-bar {
  background: #3a3a3a;
  color: #fff;
  font-size: 0.9rem;
  letter-spacing: 0.04em;
}

.lesson-chapter-bar a,
.lesson-chapter-bar span {
  display: inline-block;
  padding: 0.85rem 0;
  color: #fff;
  text-decoration: none;
}

.lesson-chapter-bar a:hover {
  color: var(--accent);
}

.lesson-hero .breadcrumb {
  margin-bottom: 1.1rem;
}

.lesson-category-badge {
  display: inline-block;
  margin: 0 0 0.85rem;
  padding: 0.28rem 0.75rem;
  border-radius: 999px;
  background: #3a3a3a;
  color: #fff !important;
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  margin-bottom: 20px !important;
}

.lesson-date {
  margin-top: 0.65rem !important;
  font-size: 0.82rem;
  color: var(--ink-faint);
}

.lesson-body {
  margin-top: 0;
}

.lesson-featured {
  margin: 0 0 1.75rem;
}

.lesson-featured img {
  display: block;
  width: 100%;
  height: auto;
}

.lesson-content {
  margin-bottom: 2rem;
}

.lesson-content h2 {
  margin: 2rem 0 0.85rem;
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
}

.lesson-content a {
  color: var(--accent-strong);
}

.lesson-video {
  margin: 0 0 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
}

.lesson-video h2 {
  margin: 0 0 1rem;
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
}

.link-stack {
  list-style: none;
  margin: 1.5rem 0 0;
  padding: 0;
}

.link-stack a {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--line);
  color: var(--ink-muted);
  transition: color 0.25s, padding-left 0.25s;
}

.link-stack a:hover {
  color: var(--accent-strong);
  padding-left: 0.4rem;
}

.login-shell {
  min-height: calc(100vh - var(--nav-h) - 8rem);
  display: grid;
  place-items: center;
  padding: 3rem 0;
}

.login-card {
  width: min(100%, 420px);
  padding: 2.5rem 2rem;
  background: linear-gradient(160deg, var(--bg-elevated), var(--bg-soft));
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.login-card h1 {
  margin: 0 0 0.4rem;
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-align: center;
}

.login-card .sub {
  margin: 0 0 2rem;
  text-align: center;
  font-size: 0.85rem;
  color: var(--ink-muted);
  font-weight: 300;
}

.field {
  margin-bottom: 1.15rem;
}

.field label {
  display: block;
  margin-bottom: 0.4rem;
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

.field input {
  width: 100%;
  padding: 0.85rem 1rem;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink);
  outline: none;
  transition: border-color 0.25s;
}

.field input:focus {
  border-color: var(--accent);
}

.login-card .btn,
.login-card .button,
.login-card input[type="submit"] {
  width: 100%;
  margin-top: 0.5rem;
}

.login-card .login-username,
.login-card .login-password,
.login-card .login-remember {
  margin-bottom: 1.15rem;
}

.login-card .login-username label,
.login-card .login-password label,
.login-card .login-remember label {
  display: block;
  margin-bottom: 0.4rem;
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

.login-card .login-username input,
.login-card .login-password input {
  width: 100%;
  padding: 0.85rem 1rem;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink);
  outline: none;
}

.login-card .login-submit .button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  border: 0;
  background: var(--accent);
  color: #fff;
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  cursor: pointer;
}

.login-card .login-submit .button:hover {
  background: var(--accent-strong);
}

.login-note {
  margin: 1.25rem 0 0;
  font-size: 0.78rem;
  color: var(--ink-faint);
  text-align: center;
  line-height: 1.6;
}

.site-footer {
  border-top: 1px solid var(--line);
  padding: 2.5rem 0 2rem;
  background: rgba(255, 255, 255, 0.45);
}

.footer-inner {
  width: min(100% - 2.5rem, var(--max));
  margin-inline: auto;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1.5rem;
  align-items: end;
}

.footer-brand strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.3rem;
  letter-spacing: 0.2em;
  margin-bottom: 0.35rem;
}

.footer-brand p {
  margin: 0;
  font-size: 0.82rem;
  color: var(--ink-faint);
  font-weight: 300;
}

.footer-meta {
  font-size: 0.75rem;
  color: var(--ink-faint);
  letter-spacing: 0.06em;
}

.back-top {
  position: fixed;
  right: 1.25rem;
  bottom: 1.25rem;
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  background: rgba(247, 246, 243, 0.95);
  color: var(--accent);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s;
  z-index: 50;
}

.back-top.is-visible {
  opacity: 1;
  pointer-events: auto;
}

.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
}

.reveal.is-in {
  opacity: 1;
  transform: none;
}

@media (max-width: 960px) {
  .nav-toggle {
    display: inline-block;
  }

  .site-nav {
    position: fixed;
    inset: var(--nav-h) 0 auto 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 1rem;
    background: rgba(247, 246, 243, 0.98);
    border-bottom: 1px solid var(--line);
    max-height: calc(100vh - var(--nav-h));
    overflow: auto;
  }

  .site-nav.is-open {
    display: flex;
  }

  .site-nav a {
    padding: 0.9rem 0.75rem;
    border-bottom: 1px solid var(--line);
    white-space: normal;
  }

  .nav-login {
    margin: 0.75rem 0 0 !important;
    text-align: center;
  }

  .feature-grid,
  .dir-grid {
    grid-template-columns: 1fr;
  }

  .chapter-list a {
    grid-template-columns: 3.2rem 1fr;
  }

  .chapter-go {
    display: none;
  }

  .hero {
    min-height: min(72vh, 36rem);
    padding: 3.5rem 0 4rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}