:root {
  --sea-mist: #c5e1d8;
  --sea-mid: #7eb8a8;
  --sea-deep: #3d7a72;
  --sea-ink: #173834;
  --foam: #f2faf6;
  --beacon: #ffe7a3;
  --paper: #f3f9f6;
  --paper-2: #e7f2ec;
  --text: #173834;
  --text-soft: #4d6f69;
  --line: rgba(23, 56, 52, 0.1);
  --phone: #1a2e2b;
  --font-brand: "ZCOOL XiaoWei", "Songti SC", "Noto Serif SC", serif;
  --font-display: "Noto Serif SC", "Songti SC", serif;
  --font-latin: "Cormorant Garamond", "Noto Serif SC", serif;
  --font-body: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --nav-h: 4.25rem;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-weight: 400;
  color: var(--text);
  background: var(--paper);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

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

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

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--sea-ink);
  color: var(--foam);
  padding: 0.75rem 1rem;
  z-index: 100;
}

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

/* Film grain */
.grain {
  position: fixed;
  inset: 0;
  z-index: 80;
  pointer-events: none;
  opacity: 0.035;
  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='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ——— Nav ——— */
.site-nav {
  position: fixed;
  inset: 0 0 auto;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--nav-h);
  padding: 0 clamp(1.25rem, 4vw, 3.5rem);
  transition: background 0.45s var(--ease-out), backdrop-filter 0.45s, box-shadow 0.45s;
}

.site-nav.is-scrolled {
  background: rgba(243, 249, 246, 0.78);
  backdrop-filter: blur(16px) saturate(1.2);
  box-shadow: 0 1px 0 var(--line);
}

.nav-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-family: var(--font-brand);
  font-size: 1.3rem;
  letter-spacing: 0.08em;
}

.nav-mark {
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 35%, #fff6d0, var(--sea-mid));
  box-shadow: 0 0 0 3px rgba(126, 184, 168, 0.25);
}

.nav-links {
  display: flex;
  gap: 1.65rem;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-soft);
}

.nav-links a {
  position: relative;
  transition: color 0.25s;
}

.nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.25rem;
  width: 100%;
  height: 1px;
  background: var(--sea-deep);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s var(--ease-out);
}

.nav-links a:hover {
  color: var(--sea-ink);
}

.nav-links a:hover::after {
  transform: scaleX(1);
}

/* ——— Hero ——— */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  overflow: hidden;
  background: linear-gradient(168deg, #d7ebe4 0%, #a8d0c4 36%, #6fa99a 68%, #4a8a7e 100%);
}

.hero-atmosphere {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.hero-wash {
  position: absolute;
  border-radius: 50%;
  filter: blur(40px);
}

.hero-wash--a {
  top: -10%;
  right: -5%;
  width: 55vw;
  height: 55vw;
  background: radial-gradient(circle, rgba(255, 231, 163, 0.45), transparent 65%);
  animation: wash-drift 14s ease-in-out infinite;
}

.hero-wash--b {
  bottom: 5%;
  left: -10%;
  width: 50vw;
  height: 40vw;
  background: radial-gradient(circle, rgba(90, 150, 140, 0.4), transparent 70%);
  animation: wash-drift 18s ease-in-out infinite reverse;
}

.hero-sun {
  position: absolute;
  top: 10%;
  right: 16%;
  width: min(16vw, 130px);
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle, #fff8d8 0%, #ffe7a3 38%, transparent 72%);
  opacity: 0.9;
  animation: sun-breathe 9s ease-in-out infinite;
}

.hero-horizon {
  position: absolute;
  inset: auto 0 0;
  height: 38%;
  background: linear-gradient(to top, rgba(23, 56, 52, 0.28), transparent);
}

.hero-particles {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0.5;
}

.hero-waves {
  position: absolute;
  inset: auto 0 0;
  width: 100%;
  height: min(28vh, 220px);
}

.wave-path {
  fill: rgba(238, 247, 243, 0.18);
}

.wave-path--2 {
  fill: rgba(238, 247, 243, 0.28);
  animation: wave-slide 12s ease-in-out infinite;
}

.wave-path--3 {
  fill: rgba(238, 247, 243, 0.4);
  animation: wave-slide 16s ease-in-out infinite reverse;
}

.wave-path--1 {
  animation: wave-slide 20s ease-in-out infinite;
}

.hero-stage {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: clamp(2rem, 5vw, 5rem);
  width: min(1140px, 100%);
  margin: 0 auto;
  padding: calc(var(--nav-h) + 1.5rem) clamp(1.25rem, 4vw, 3.5rem) 5.5rem;
}

.hero-copy {
  max-width: 34rem;
  color: var(--sea-ink);
}

.brand {
  margin: 0 0 0.85rem;
  font-family: var(--font-brand);
  font-size: clamp(3rem, 7.5vw, 5rem);
  line-height: 1.02;
  letter-spacing: 0.1em;
  text-shadow: 0 2px 30px rgba(242, 250, 246, 0.5);
}

.headline {
  margin: 0 0 1.1rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.25rem, 2.6vw, 1.7rem);
  line-height: 1.4;
  letter-spacing: 0.06em;
}

.lede {
  margin: 0 0 2rem;
  max-width: 28em;
  font-size: clamp(0.95rem, 1.5vw, 1.08rem);
  font-weight: 300;
  color: var(--text-soft);
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3rem;
  padding: 0 1.55rem;
  border-radius: 999px;
  font-size: 0.94rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  transition: transform 0.35s var(--ease-out), background 0.3s, box-shadow 0.3s, border-color 0.3s;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  background: var(--sea-ink);
  color: var(--foam);
  box-shadow: 0 12px 32px rgba(23, 56, 52, 0.28);
}

.btn-primary:hover {
  background: #0f2926;
}

.btn-ghost {
  background: rgba(242, 250, 246, 0.45);
  color: var(--sea-ink);
  border: 1px solid rgba(23, 56, 52, 0.16);
  backdrop-filter: blur(10px);
}

.btn-ghost:hover {
  background: rgba(242, 250, 246, 0.8);
}

/* Phone mockup */
.phone-wrap {
  position: relative;
  justify-self: end;
}

.phone {
  position: relative;
  width: min(272px, 68vw);
  aspect-ratio: 9 / 18.4;
  border-radius: 2.15rem;
  background: linear-gradient(160deg, #2a403c, var(--phone));
  padding: 0.55rem;
  box-shadow:
    0 40px 80px rgba(23, 56, 52, 0.35),
    0 0 0 1px rgba(255, 255, 255, 0.08) inset,
    0 1px 0 rgba(255, 255, 255, 0.12) inset;
  animation: phone-float 7s ease-in-out infinite;
  transform: rotate(-3.5deg);
}

.phone-shine {
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(125deg, rgba(255, 255, 255, 0.14) 0%, transparent 42%, transparent 58%, rgba(255, 255, 255, 0.04) 100%);
  pointer-events: none;
  z-index: 3;
}

.phone-notch {
  position: absolute;
  top: 0.85rem;
  left: 50%;
  z-index: 4;
  width: 28%;
  height: 0.72rem;
  transform: translateX(-50%);
  border-radius: 999px;
  background: #0d1c1a;
}

.phone-screen {
  position: relative;
  height: 100%;
  border-radius: 1.7rem;
  overflow: hidden;
  background: linear-gradient(180deg, #b8d9ce 0%, #7eb8a8 55%, #4f9084 100%);
}

.screen-sky {
  position: absolute;
  inset: 0 0 40%;
  background: radial-gradient(ellipse at 70% 20%, rgba(255, 231, 163, 0.45), transparent 55%);
}

.screen-island {
  position: absolute;
  inset: 8% 4% 18%;
  width: 92%;
  height: auto;
}

.island-bob {
  transform-origin: 140px 268px;
  animation: island-bob 6s ease-in-out infinite;
}

.beacon-glow {
  animation: beacon-glow 3s ease-in-out infinite;
}

.zd {
  animation: zd-pulse 3.5s ease-in-out infinite;
}

.zd-2 { animation-delay: 0.4s; }
.zd-3 { animation-delay: 0.8s; }
.zd-4 { animation-delay: 1.2s; }
.zd-5 { animation-delay: 1.6s; }

.screen-caption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 1.35rem;
  display: grid;
  place-items: center;
  gap: 0.35rem;
  text-align: center;
}

.screen-caption span {
  font-family: var(--font-brand);
  font-size: 1.05rem;
  letter-spacing: 0.12em;
  color: var(--sea-ink);
}

.screen-caption em {
  font-style: normal;
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  color: rgba(23, 56, 52, 0.65);
  padding: 0.35rem 0.9rem;
  border-radius: 999px;
  background: rgba(242, 250, 246, 0.55);
  border: 1px solid rgba(23, 56, 52, 0.1);
}

.phone-glow {
  position: absolute;
  left: 10%;
  right: 10%;
  bottom: -18%;
  height: 28%;
  background: radial-gradient(ellipse, rgba(23, 56, 52, 0.35), transparent 70%);
  filter: blur(8px);
  z-index: -1;
}

.hero-scroll {
  position: absolute;
  bottom: 1.4rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
}

.hero-scroll span {
  display: block;
  width: 1px;
  height: 2.4rem;
  background: linear-gradient(to bottom, transparent, var(--sea-ink));
  animation: scroll-hint 2.2s ease-in-out infinite;
  opacity: 0.4;
}

/* ——— Sections ——— */
.section {
  padding: clamp(4.75rem, 11vw, 8rem) clamp(1.25rem, 4vw, 3.5rem);
}

.section-inner {
  width: min(920px, 100%);
  margin: 0 auto;
}

.section-head {
  margin-bottom: 0.5rem;
}

.eyebrow {
  margin: 0 0 0.8rem;
  font-family: var(--font-latin);
  font-size: 0.95rem;
  font-weight: 500;
  font-style: italic;
  letter-spacing: 0.18em;
  color: var(--sea-mid);
}

.section-title {
  margin: 0 0 1rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.7rem, 3.8vw, 2.35rem);
  letter-spacing: 0.06em;
  line-height: 1.28;
}

.section-lead {
  margin: 0 0 2.75rem;
  max-width: 34em;
  font-size: 1.05rem;
  font-weight: 300;
  color: var(--text-soft);
}

/* About */
.about {
  background:
    linear-gradient(180deg, #dff0e9 0%, var(--paper) 28%, var(--paper) 100%);
}

.about-layout {
  display: grid;
  gap: 3rem;
}

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

.about-points li {
  display: grid;
  grid-template-columns: 3.5rem 1fr;
  gap: 1rem;
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--line);
}

.about-index {
  font-family: var(--font-latin);
  font-style: italic;
  font-size: 1.25rem;
  color: var(--sea-mid);
  padding-top: 0.15rem;
}

.about-points strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  margin-bottom: 0.35rem;
}

.about-points p {
  margin: 0;
  font-weight: 300;
  color: var(--text-soft);
  font-size: 0.95rem;
}

/* Islands */
.islands {
  background:
    radial-gradient(ellipse 70% 35% at 50% 0%, rgba(126, 184, 168, 0.16), transparent 55%),
    var(--paper);
}

.island-rail {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}

.island-row {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: start;
  gap: 1.25rem;
  padding: 1.65rem 0.15rem;
  border-bottom: 1px solid var(--line);
  transition: background 0.35s var(--ease-out), padding-left 0.35s var(--ease-out);
}

.island-row:hover {
  background: rgba(126, 184, 168, 0.08);
  padding-left: 0.5rem;
}

.island-orb {
  width: 0.7rem;
  height: 0.7rem;
  margin-top: 0.55rem;
  border-radius: 50%;
  background: var(--c, var(--sea-mid));
  box-shadow: 0 0 0 5px rgba(126, 184, 168, 0.18);
  transition: transform 0.35s var(--ease-out);
  flex-shrink: 0;
}

.island-row:hover .island-orb {
  transform: scale(1.25);
}

.island-title-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0.35rem;
}

.island-body h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  letter-spacing: 0.05em;
}

.island-body > p {
  margin: 0 0 0.85rem;
  font-size: 0.9rem;
  font-weight: 300;
  color: var(--text-soft);
  line-height: 1.65;
}

.island-tag {
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  color: var(--text-soft);
  white-space: nowrap;
  opacity: 0.7;
}

.feat-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem 0.55rem;
}

.feat-list li {
  font-size: 0.78rem;
  font-weight: 400;
  letter-spacing: 0.02em;
  color: var(--sea-deep);
  padding: 0.28rem 0.7rem;
  border-radius: 999px;
  background: rgba(126, 184, 168, 0.14);
  border: 1px solid rgba(61, 122, 114, 0.12);
}

/* Moments */
.moments {
  background: linear-gradient(180deg, var(--paper) 0%, #e4f1eb 100%);
}

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

.moment-list li {
  position: relative;
  padding: 1.55rem 0 1.55rem 3.25rem;
  border-bottom: 1px solid var(--line);
  counter-increment: moment;
}

.moment-list li::before {
  content: counter(moment, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 1.55rem;
  font-family: var(--font-latin);
  font-style: italic;
  font-size: 1.15rem;
  color: var(--sea-mid);
}

.moment-when {
  display: block;
  font-family: var(--font-display);
  font-size: 1.08rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  margin-bottom: 0.4rem;
}

.moment-list p {
  margin: 0;
  font-size: 0.92rem;
  font-weight: 300;
  color: var(--text-soft);
  max-width: 38em;
}

/* Companion */
.companion {
  background: linear-gradient(180deg, #e4f1eb 0%, #d8ebe4 100%);
  padding-top: 2rem;
}

.companion-layout {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: clamp(2rem, 5vw, 4rem);
}

.companion-visual {
  position: relative;
  width: 140px;
  height: 140px;
}

.companion-ring {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 1px solid rgba(126, 184, 168, 0.45);
  animation: ring-pulse 4.5s ease-in-out infinite;
}

.companion-orb {
  position: absolute;
  inset: 18%;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background:
    radial-gradient(circle at 35% 30%, #fff8e8, #d7ebe4 45%, #7eb8a8 100%);
  box-shadow: 0 16px 40px rgba(61, 122, 114, 0.25);
}

.companion-name {
  font-family: var(--font-brand);
  font-size: 1.35rem;
  letter-spacing: 0.15em;
  color: var(--sea-ink);
}

.companion-copy .section-lead {
  margin-bottom: 1.25rem;
}

.companion-bullets {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.55rem;
}

.companion-bullets li {
  position: relative;
  padding-left: 1.15rem;
  font-size: 0.92rem;
  font-weight: 300;
  color: var(--text-soft);
}

.companion-bullets li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 0.4rem;
  height: 0.4rem;
  border-radius: 50%;
  background: var(--sea-mid);
}

/* Download */
.download {
  padding-top: 1rem;
  background: linear-gradient(180deg, #d8ebe4 0%, #c5ddd4 100%);
}

.download-panel {
  width: min(680px, 100%);
  margin: 0 auto;
  text-align: center;
  padding: clamp(2.25rem, 5vw, 3.25rem) clamp(1.5rem, 4vw, 2.5rem);
  background: rgba(255, 255, 255, 0.42);
  border: 1px solid rgba(23, 56, 52, 0.1);
  border-radius: 1.5rem;
  backdrop-filter: blur(14px);
}

.download-panel .section-lead {
  margin-left: auto;
  margin-right: auto;
  margin-bottom: 2rem;
}

.store-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.85rem;
  margin-bottom: 1.25rem;
}

.store-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  min-width: 11.5rem;
  padding: 0.7rem 1.15rem;
  border-radius: 0.9rem;
  background: var(--sea-ink);
  color: var(--foam);
  transition: transform 0.3s var(--ease-out), opacity 0.3s;
  cursor: default;
  opacity: 0.88;
}

.store-btn:hover {
  transform: translateY(-2px);
  opacity: 1;
}

.store-glyph {
  display: grid;
  place-items: center;
  opacity: 0.9;
}

.store-text {
  display: grid;
  text-align: left;
  line-height: 1.2;
}

.store-text small {
  font-size: 0.65rem;
  font-weight: 400;
  letter-spacing: 0.08em;
  opacity: 0.7;
}

.store-text strong {
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.download-hint {
  margin: 0;
  font-size: 0.78rem;
  color: var(--text-soft);
  opacity: 0.75;
}

/* Footer */
.site-footer {
  padding: 2.75rem clamp(1.25rem, 4vw, 3.5rem) 3.25rem;
  text-align: center;
  background: var(--sea-ink);
  color: var(--foam);
}

.footer-brand {
  margin: 0 0 0.4rem;
  font-family: var(--font-brand);
  font-size: 1.55rem;
  letter-spacing: 0.12em;
}

.footer-note {
  margin: 0 0 1.25rem;
  font-size: 0.82rem;
  font-weight: 300;
  opacity: 0.6;
}

.footer-corp {
  margin: 0 0 0.55rem;
  font-size: 0.8rem;
  font-weight: 300;
  opacity: 0.72;
}

.footer-beian {
  margin: 0.25rem 0 0;
  font-size: 0.75rem;
  font-weight: 300;
  opacity: 0.65;
  line-height: 1.6;
}

.footer-beian a {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid rgba(242, 250, 246, 0.28);
  transition: opacity 0.25s, border-color 0.25s;
}

.footer-beian a:hover {
  opacity: 1;
  border-bottom-color: rgba(242, 250, 246, 0.7);
}

.footer-sep {
  margin: 0 0.45rem;
  opacity: 0.45;
}

/* Reveal：默认可见，不依赖 JS（审核/爬虫也能读到正文） */
[data-reveal] {
  opacity: 1;
  transform: none;
}

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

[data-reveal-delay="1"] { transition-delay: 0.12s; }
[data-reveal-delay="2"] { transition-delay: 0.24s; }
[data-reveal-delay="3"] { transition-delay: 0.38s; }

/* Motion */
@keyframes phone-float {
  0%, 100% { transform: rotate(-3.5deg) translateY(0); }
  50% { transform: rotate(-3.5deg) translateY(-12px); }
}

@keyframes island-bob {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}

@keyframes beacon-glow {
  0%, 100% { opacity: 0.55; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.1); }
}

@keyframes zd-pulse {
  0%, 100% { opacity: 0.45; }
  50% { opacity: 1; }
}

@keyframes wash-drift {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(-3%, 2%); }
}

@keyframes sun-breathe {
  0%, 100% { transform: scale(1); opacity: 0.85; }
  50% { transform: scale(1.07); opacity: 1; }
}

@keyframes wave-slide {
  0%, 100% { transform: translateX(0); }
  50% { transform: translateX(-2.5%); }
}

@keyframes scroll-hint {
  0% { transform: scaleY(0.3); transform-origin: top; opacity: 0; }
  40% { opacity: 0.45; }
  100% { transform: scaleY(1); transform-origin: top; opacity: 0; }
}

@keyframes ring-pulse {
  0%, 100% { transform: scale(1); opacity: 0.7; }
  50% { transform: scale(1.08); opacity: 1; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .phone,
  .island-bob,
  .beacon-glow,
  .zd,
  .hero-sun,
  .hero-wash,
  .wave-path,
  .companion-ring,
  .hero-scroll span {
    animation: none !important;
  }
  [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

@media (max-width: 900px) {
  .hero-stage {
    grid-template-columns: 1fr;
    justify-items: center;
    text-align: center;
    padding-bottom: 4.5rem;
  }

  .hero-copy {
    order: 1;
  }

  .phone-wrap {
    order: 0;
    justify-self: center;
    margin-bottom: 0.5rem;
  }

  .phone {
    width: min(220px, 58vw);
    transform: rotate(-2deg);
    animation-name: phone-float-sm;
  }

  @keyframes phone-float-sm {
    0%, 100% { transform: rotate(-2deg) translateY(0); }
    50% { transform: rotate(-2deg) translateY(-10px); }
  }

  .lede {
    margin-left: auto;
    margin-right: auto;
  }

  .cta-row {
    justify-content: center;
  }

  .companion-layout {
    grid-template-columns: 1fr;
    justify-items: center;
    text-align: center;
  }

  .companion-copy .section-lead {
    margin-left: auto;
    margin-right: auto;
  }

  .companion-bullets {
    justify-items: center;
  }

  .companion-bullets li {
    text-align: left;
  }

  .island-title-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.25rem;
  }

  .nav-links {
    gap: 0.9rem;
    font-size: 0.8rem;
  }
}

@media (max-width: 420px) {
  .nav-links a:first-child {
    display: none;
  }

  .store-btn {
    width: 100%;
    justify-content: center;
  }
}