/* 拾光日记 · Lumo Warm Journal — Official Site（固定浅色） */
:root {
  color-scheme: only light;
  --bg: #fffcf7;
  --bg-sunken: #f7f4eb;
  --surface: #ffffff;
  --surface-2: #f8f5ed;
  --border: #ebe6d8;
  --border-strong: #ddd5c4;
  --text-primary: #2a2721;
  --text-secondary: #6e6659;
  --text-tertiary: #7a7265;
  --sage-50: #f5f8f0;
  --sage-100: #eaf0df;
  --sage-300: #bcc9a6;
  --sage-400: #a3b18a;
  --sage-600: #6a7b54;
  --sage-700: #5a6947;
  --sage-800: #455136;
  --mood-happy: #e0a87e;
  --mood-calm: #a3b18a;
  --mood-sad: #93a8b8;
  --mood-moved: #c99ba0;
  --mood-hopeful: #d8c49a;
  --shadow-sm: 0 2px 10px rgba(74, 63, 48, 0.05);
  --shadow-md: 0 8px 24px rgba(74, 63, 48, 0.07);
  --shadow-lg: 0 16px 40px rgba(74, 63, 48, 0.09);
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --font-display: "Songti SC", "Noto Serif SC", "Source Han Serif SC", ui-serif,
    Georgia, serif;
  --font-body: "PingFang SC", "HarmonyOS Sans SC", "Noto Sans SC",
    "Microsoft YaHei", -apple-system, BlinkMacSystemFont, sans-serif;
  --font-latin: "Iowan Old Style", "New York", Georgia, "Times New Roman", serif;
  --ease-out: cubic-bezier(0.32, 0.72, 0, 1);
  --nav-h: 72px;
  --max: 1120px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  color: var(--text-primary);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

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

button {
  font: inherit;
  cursor: pointer;
  border: none;
  background: none;
  color: inherit;
}

.paper-noise {
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 50;
  opacity: 0.018;
  mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.wrap {
  width: min(100% - 40px, var(--max));
  margin-inline: auto;
}

/* —— Nav —— */
.site-nav {
  position: fixed;
  inset: 0 0 auto;
  z-index: 40;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: saturate(180%) blur(18px);
  -webkit-backdrop-filter: saturate(180%) blur(18px);
  border-bottom: 1px solid transparent;
  transition: border-color 240ms ease, background 240ms ease;
}

.site-nav.is-scrolled {
  border-bottom-color: var(--border);
}

.site-nav .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  width: min(100% - 40px, var(--max));
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.brand__mark {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  object-fit: cover;
  box-shadow: var(--shadow-sm);
}

.brand__name {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 600;
  letter-spacing: 0.08em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  font-size: 0.875rem;
  color: var(--text-secondary);
  transition: color 160ms ease;
}

.nav-links a:hover {
  color: var(--sage-700);
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 40px;
  padding: 0 18px;
  border-radius: var(--radius-md);
  background: var(--sage-600);
  color: #fff;
  font-size: 0.875rem;
  font-weight: 600;
  transition: background 160ms ease, transform 160ms ease;
}

.nav-cta:hover {
  background: var(--sage-700);
}

.nav-cta:active {
  transform: scale(0.98);
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  place-items: center;
  border-radius: 10px;
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 1.5px;
  background: var(--text-primary);
  position: relative;
}

.nav-toggle span::before,
.nav-toggle span::after {
  content: "";
  position: absolute;
  inset-inline: 0;
  height: inherit;
  background: inherit;
}

.nav-toggle span::before {
  top: -6px;
}

.nav-toggle span::after {
  top: 6px;
}

/* —— Buttons —— */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 52px;
  padding: 0 24px;
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  font-weight: 600;
  transition: background 160ms ease, color 160ms ease, border-color 160ms ease,
    transform 160ms ease;
}

.btn:active {
  transform: scale(0.98);
}

.btn--primary {
  background: var(--sage-600);
  color: #fff;
}

.btn--primary:hover {
  background: var(--sage-700);
}

.btn--ghost {
  background: transparent;
  color: var(--sage-700);
  border: 1px solid var(--border-strong);
}

.btn--ghost:hover {
  background: var(--sage-50);
}

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* —— Hero —— */
.hero {
  position: relative;
  min-height: 100dvh;
  padding: calc(var(--nav-h) + 48px) 0 64px;
  overflow: hidden;
  isolation: isolate;
}

.hero__glow {
  position: absolute;
  inset: -20% -10% auto;
  height: 70%;
  background:
    radial-gradient(ellipse 55% 50% at 18% 35%, rgba(163, 177, 138, 0.18), transparent 70%),
    radial-gradient(ellipse 45% 40% at 78% 20%, rgba(216, 196, 154, 0.16), transparent 70%),
    linear-gradient(180deg, #fffefb 0%, var(--bg) 72%);
  z-index: -1;
}

.hero .wrap {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: clamp(40px, 6vw, 80px);
  align-items: center;
  min-height: calc(100dvh - var(--nav-h) - 112px);
}

.hero__copy {
  max-width: 34rem;
}

.hero__latin {
  font-family: var(--font-latin);
  font-size: 0.75rem;
  letter-spacing: 0.42em;
  text-transform: uppercase;
  color: var(--text-tertiary);
  margin: 0 0 20px;
}

.hero__brand {
  margin: 0 0 28px;
  font-family: var(--font-display);
  font-size: clamp(3.25rem, 7vw, 5.25rem);
  font-weight: 600;
  line-height: 1.08;
  letter-spacing: 0.08em;
  color: var(--text-primary);
}

.hero__slogan {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 2.4vw, 1.75rem);
  font-weight: 500;
  line-height: 1.45;
  letter-spacing: 0.04em;
  color: var(--sage-800);
}

.hero__lead {
  margin: 0 0 36px;
  max-width: 28rem;
  font-size: 1.05rem;
  line-height: 1.75;
  color: var(--text-secondary);
}

.hero__visual {
  display: grid;
  place-items: center;
  position: relative;
}

.hero__orbit {
  position: absolute;
  width: min(92%, 420px);
  aspect-ratio: 1;
  border-radius: 50%;
  border: 1px dashed color-mix(in srgb, var(--sage-400) 55%, transparent);
  animation: orbit-spin 48s linear infinite;
}

@keyframes orbit-spin {
  to {
    transform: rotate(360deg);
  }
}

/* Phone mock */
.phone {
  position: relative;
  width: min(100%, 290px);
  aspect-ratio: 9 / 18.5;
  border-radius: 36px;
  background: var(--surface);
  border: 1px solid var(--border-strong);
  box-shadow: var(--shadow-lg), 0 0 0 10px color-mix(in srgb, var(--bg-sunken) 80%, transparent);
  overflow: hidden;
  animation: phone-rise 900ms var(--ease-out) both;
}

@keyframes phone-rise {
  from {
    opacity: 0;
    transform: translateY(28px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.phone__notch {
  position: absolute;
  top: 10px;
  left: 50%;
  translate: -50% 0;
  width: 96px;
  height: 22px;
  border-radius: 999px;
  background: var(--bg-sunken);
  z-index: 2;
}

.phone__screen {
  height: 100%;
  padding: 44px 14px 18px;
  display: flex;
  flex-direction: column;
  background:
    linear-gradient(180deg, var(--sage-50), transparent 28%),
    var(--bg);
}

.phone__date {
  font-family: var(--font-display);
  font-size: 1.65rem;
  letter-spacing: 0.04em;
  margin: 0 0 4px;
}

.phone__meta {
  margin: 0 0 14px;
  font-size: 0.7rem;
  color: var(--text-tertiary);
}

.mood-strip {
  display: flex;
  gap: 6px;
  margin-bottom: 14px;
}

.mood-strip i {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  display: block;
}

.diary-line {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 12px 12px 10px;
  box-shadow: var(--shadow-sm);
  margin-bottom: 10px;
}

.diary-line__top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 6px;
  font-size: 0.65rem;
  color: var(--text-tertiary);
}

.diary-line__mood {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.diary-line h4 {
  margin: 0 0 4px;
  font-size: 0.82rem;
  font-weight: 600;
}

.diary-line p {
  margin: 0;
  font-size: 0.72rem;
  line-height: 1.55;
  color: var(--text-secondary);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.phone__fab {
  margin-top: auto;
  align-self: center;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--sage-600);
  color: #fff;
  display: grid;
  place-items: center;
  box-shadow: var(--shadow-md);
  border: 3px solid var(--bg);
  transform: translateY(4px);
}

.phone__fab svg {
  width: 20px;
  height: 20px;
}

/* Reveal */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 700ms var(--ease-out), transform 700ms var(--ease-out);
}

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

.hero__copy.reveal {
  transition-delay: 80ms;
}

/* —— Sections —— */
.section {
  padding: clamp(72px, 12vw, 120px) 0;
}

.section--sunken {
  background: var(--bg-sunken);
}

.section__head {
  max-width: 36rem;
  margin-bottom: clamp(40px, 6vw, 64px);
}

.section__kicker {
  margin: 0 0 12px;
  font-size: 0.75rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--text-tertiary);
  font-family: var(--font-latin);
}

.section__title {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-size: clamp(1.85rem, 3.5vw, 2.65rem);
  font-weight: 600;
  letter-spacing: 0.06em;
  line-height: 1.25;
}

.section__desc {
  margin: 0;
  color: var(--text-secondary);
  font-size: 1.05rem;
  line-height: 1.75;
}

/* Features — editorial rows, not card grid */
.feature-list {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--border);
}

.feature {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: clamp(20px, 4vw, 48px);
  padding: 36px 0;
  border-bottom: 1px solid var(--border);
  align-items: start;
}

.feature__index {
  font-family: var(--font-latin);
  font-size: 0.85rem;
  letter-spacing: 0.18em;
  color: var(--sage-600);
  padding-top: 6px;
}

.feature h3 {
  margin: 0 0 10px;
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.feature p {
  margin: 0;
  max-width: 40rem;
  color: var(--text-secondary);
  line-height: 1.75;
}

/* Steps */
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(28px, 4vw, 48px);
  counter-reset: step;
}

.step {
  position: relative;
  padding-top: 8px;
}

.step::before {
  counter-increment: step;
  content: "0" counter(step);
  display: block;
  font-family: var(--font-latin);
  font-size: 0.8rem;
  letter-spacing: 0.2em;
  color: var(--sage-600);
  margin-bottom: 18px;
}

.step__art {
  width: 72px;
  height: 72px;
  margin-bottom: 22px;
  color: var(--sage-600);
}

.step h3 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 600;
  letter-spacing: 0.05em;
}

.step p {
  margin: 0;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* Belief / privacy */
.belief {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(40px, 8vw, 96px);
  align-items: center;
}

.belief__quote {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3.2vw, 2.5rem);
  line-height: 1.4;
  letter-spacing: 0.05em;
  color: var(--text-primary);
}

.belief__quote span {
  display: block;
  margin-top: 0.35em;
  color: var(--sage-700);
}

.belief__body p {
  margin: 0 0 18px;
  color: var(--text-secondary);
  line-height: 1.8;
}

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

.belief__list {
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 14px;
}

.belief__list li {
  display: grid;
  grid-template-columns: 18px 1fr;
  gap: 12px;
  align-items: start;
  color: var(--text-secondary);
  line-height: 1.65;
}

.belief__list li::before {
  content: "";
  width: 8px;
  height: 8px;
  margin-top: 8px;
  border-radius: 50%;
  background: var(--sage-400);
}

/* Download */
.download {
  text-align: center;
  max-width: 40rem;
  margin-inline: auto;
}

.download .section__title {
  letter-spacing: 0.08em;
}

.download .btn-row {
  justify-content: center;
  margin-top: 36px;
}

.download__note {
  margin: 20px 0 0;
  font-size: 0.875rem;
  color: var(--text-tertiary);
}

/* Footer */
.site-footer {
  padding: 48px 0 40px;
  border-top: 1px solid var(--border);
}

.site-footer .wrap {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 24px;
  align-items: flex-end;
}

.footer__brand {
  font-family: var(--font-display);
  font-size: 1.15rem;
  letter-spacing: 0.08em;
  font-weight: 600;
  margin: 0 0 8px;
}

.footer__meta {
  margin: 0;
  font-size: 0.85rem;
  color: var(--text-tertiary);
  line-height: 1.7;
}

.footer__meta a {
  color: var(--sage-700);
}

.footer__links {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.footer__links a:hover {
  color: var(--sage-700);
}

/* —— Download page —— */
.dl-hero {
  padding: calc(var(--nav-h) + 56px) 0 40px;
  text-align: center;
  background:
    radial-gradient(ellipse 50% 60% at 50% 0%, rgba(163, 177, 138, 0.16), transparent 70%),
    linear-gradient(180deg, #fffefb 0%, var(--bg) 100%);
}

.dl-hero__icon {
  width: 88px;
  height: 88px;
  margin: 0 auto 22px;
  border-radius: 22px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-md);
  object-fit: cover;
}

.dl-hero h1 {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 600;
  letter-spacing: 0.06em;
}

.dl-hero p {
  margin: 0;
  color: var(--text-secondary);
}

.dl-hero__version {
  margin-top: 14px !important;
  font-size: 0.875rem;
  color: var(--text-tertiary);
}

.dl-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(260px, 0.8fr);
  gap: clamp(28px, 5vw, 48px);
  align-items: start;
}

.mirror-title {
  margin: 0 0 20px;
  font-size: 1.2rem;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.mirror-list {
  display: grid;
  gap: 0;
  padding: 6px;
  border-radius: 24px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.72), rgba(255, 255, 255, 0.45)),
    var(--bg-sunken);
  border: 1px solid var(--border);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.65);
}

.mirror-card {
  position: relative;
  display: flex;
  align-items: center;
  gap: 16px;
  min-height: 78px;
  padding: 16px 16px;
  border: 1px solid transparent;
  border-radius: 18px;
  background: transparent;
  overflow: hidden;
  isolation: isolate;
  transition: border-color 160ms ease, background 160ms ease, box-shadow 160ms ease;
}

.mirror-card + .mirror-card {
  margin-top: 2px;
}

/* 隐藏浏览器扩展注入的额外节点 */
.mirror-card > :not(.mirror-icon):not(.mirror-body):not(.mirror-arrow):not(.mirror-card__hit),
.mirror-card__hit > * {
  display: none !important;
}

.mirror-card:hover,
.mirror-card:focus-within {
  background: rgba(255, 252, 247, 0.96);
  border-color: color-mix(in srgb, var(--sage-300) 55%, var(--border));
  box-shadow: var(--shadow-sm);
}

.mirror-card__hit {
  position: absolute;
  inset: 0;
  z-index: 1;
  border: 0;
  padding: 0;
  margin: 0;
  border-radius: inherit;
  background: transparent;
  cursor: pointer;
  appearance: none;
  -webkit-appearance: none;
}

.mirror-card__hit:focus-visible {
  outline: 2px solid var(--sage-600);
  outline-offset: -2px;
}

.mirror-icon {
  position: relative;
  z-index: 0;
  flex: 0 0 48px;
  width: 48px;
  height: 48px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  color: #fff;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.18);
}

.mirror-body {
  position: relative;
  z-index: 0;
  flex: 1 1 auto;
  min-width: 0;
}

.mirror-body h3 {
  margin: 0 0 4px;
  font-size: 1rem;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.mirror-body p {
  margin: 0;
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.45;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.mirror-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 8px;
}

.mirror-notice,
.mirror-code {
  display: inline-flex;
  align-items: center;
  max-width: 100%;
  font-size: 0.75rem;
  line-height: 1.3;
  border-radius: 999px;
  padding: 4px 10px;
}

.mirror-notice {
  color: #8a6224;
  background: #f7efe0;
}

.mirror-code {
  position: relative;
  z-index: 2;
  font-weight: 600;
  color: var(--sage-800);
  background: var(--sage-50);
  border: 0;
  cursor: pointer;
  font-family: inherit;
  transition: background 160ms ease, color 160ms ease;
}

.mirror-code:hover {
  background: var(--sage-100);
}

.mirror-code.is-copied {
  background: var(--sage-600);
  color: #fff;
}

.mirror-code.is-copied::after {
  content: " · 已复制";
  font-weight: 500;
}

.mirror-arrow {
  position: relative;
  z-index: 0;
  flex: 0 0 20px;
  width: 20px;
  height: 20px;
  color: var(--text-tertiary);
  display: grid;
  place-items: center;
  transition: color 160ms ease, transform 160ms ease;
}

.mirror-card:hover .mirror-arrow {
  color: var(--sage-700);
  transform: translateX(2px);
}

.mirror-empty {
  margin: 12px 0 0;
  padding: 20px;
  border-radius: var(--radius-lg);
  background: var(--bg-sunken);
  color: var(--text-secondary);
  text-align: center;
}

.dl-tips {
  padding: 24px;
  border-radius: 24px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.55), rgba(255, 255, 255, 0.2)),
    var(--bg-sunken);
  border: 1px solid var(--border);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.65);
}

.dl-tips h3 {
  margin: 0 0 14px;
  font-size: 1rem;
  font-weight: 600;
}

.dl-tips ol {
  margin: 0;
  padding-left: 1.2em;
  color: var(--text-secondary);
  line-height: 1.75;
  font-size: 0.925rem;
}

.dl-tips a {
  color: var(--sage-700);
  text-decoration: underline;
  text-underline-offset: 2px;
}

@media (max-width: 860px) {
  .dl-layout {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 520px) {
  .mirror-card {
    gap: 12px;
    padding: 14px 14px;
  }

  .mirror-body p {
    white-space: normal;
  }

  .mirror-notice,
  .mirror-code {
    white-space: normal;
  }
}

/* Inner pages */
.page-hero {
  padding: calc(var(--nav-h) + 64px) 0 48px;
}

.page-hero h1 {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 2.75rem);
  letter-spacing: 0.06em;
}

.page-hero p {
  margin: 0;
  color: var(--text-secondary);
  max-width: 36rem;
}

.prose {
  padding-bottom: 96px;
  max-width: 42rem;
}

.prose h2 {
  margin: 40px 0 12px;
  font-size: 1.2rem;
  font-weight: 600;
}

.prose p,
.prose li {
  color: var(--text-secondary);
  line-height: 1.8;
}

.prose ul {
  padding-left: 1.2em;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .reveal,
  .phone,
  .hero__orbit {
    animation: none !important;
    transition: none !important;
    opacity: 1 !important;
    transform: none !important;
  }
}

/* Responsive */
@media (max-width: 900px) {
  .hero .wrap {
    grid-template-columns: 1fr;
    min-height: auto;
    gap: 48px;
  }

  .hero__visual {
    order: -1;
  }

  .phone {
    width: min(100%, 250px);
  }

  .steps {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .belief {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .feature {
    grid-template-columns: 72px 1fr;
  }
}

@media (max-width: 720px) {
  .nav-links,
  .site-nav .nav-cta {
    display: none;
  }

  .site-nav.is-open .nav-links {
    display: flex;
    position: absolute;
    top: var(--nav-h);
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 12px 20px 20px;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow-md);
  }

  .site-nav.is-open .nav-links a {
    padding: 14px 0;
    border-bottom: 1px solid var(--border);
  }

  .site-nav.is-open .nav-cta {
    display: inline-flex;
    margin: 16px 20px 0;
    width: calc(100% - 40px);
  }

  .nav-toggle {
    display: grid;
  }

  .hero {
    padding-top: calc(var(--nav-h) + 28px);
  }

  .hero__brand {
    letter-spacing: 0.06em;
  }

  .feature {
    grid-template-columns: 1fr;
    gap: 8px;
  }
}