:root {
  /* 主視覺標準色 */
  --ice: #eaf4fc;       /* 灰色：偏淺藍的底色 */
  --yellow: #f6d63e;    /* 黃色 */
  --aqua: #20b8c7;      /* 綠色：偏青綠 */
  --blue: #2263af;      /* 藍色 */
  --ink: #414549;       /* 黑色：主要文字 */

  /* 輔助色：白色與提示紅可獨立調整；淡色由標準色自動衍生 */
  --white: #ffffff;
  --live: #ff5d50;
  --paper: #fffdf8;
  --yellow-soft: color-mix(in srgb, var(--yellow) 35%, var(--white));
  --aqua-soft: color-mix(in srgb, var(--aqua) 25%, var(--white));
  --muted: #66727b;

  /* 透明邊框與陰影：跟隨主文字色；百分比是不透明度 */
  --line: color-mix(in srgb, var(--ink) 17%, transparent);
  --shadow: 0 20px 60px color-mix(in srgb, var(--ink) 12%, transparent);
  --radius: 28px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", sans-serif;
  font-size: 16px;
  line-height: 1.7;
}
a { color: inherit; }
button, input, textarea, select { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }

.skip-link {
  position: fixed;
  left: 1rem;
  top: -5rem;
  z-index: 99;
  padding: .7rem 1rem;
  background: var(--ink);
  color: var(--white);
}
.skip-link:focus { top: 1rem; }

.site-header {
  height: 88px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 clamp(1.25rem, 4vw, 4.5rem);
  background: color-mix(in srgb, var(--ice) 90%, transparent);
  border-bottom: 1px solid color-mix(in srgb, var(--ink) 8%, transparent);
  backdrop-filter: blur(16px);
  position: sticky;
  top: 0;
  z-index: 50;
}
.brand {
  display: flex;
  align-items: center;
  gap: .75rem;
  text-decoration: none;
  line-height: 1.15;
}
.brand-mark {
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  background: var(--yellow);
  border-radius: 50% 50% 12% 50%;
  font-weight: 900;
  transform: rotate(-7deg);
}
.brand-mark + span { display: grid; gap: .28rem; }
.brand strong { font-size: 1rem; font-weight: 900; letter-spacing: .03em; }
.brand small { color: var(--muted); font-size: .68rem; letter-spacing: .12em; }
.site-header nav { display: flex; align-items: center; gap: clamp(1rem, 2.5vw, 2.5rem); }
.site-header nav a { text-decoration: none; font-weight: 700; font-size: .88rem; }
.site-header nav a:not(.nav-cta):hover { color: var(--blue); }
.nav-cta { padding: .7rem 1.15rem; color: var(--white); background: var(--ink); border-radius: 999px; }

.hero {
  min-height: calc(100svh - 88px);
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, .92fr);
  background: var(--ice);
  overflow: hidden;
}
.hero-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(4rem, 8vw, 8rem) clamp(1.5rem, 6vw, 7rem);
  position: relative;
  z-index: 2;
}
.eyebrow, .section-number {
  margin: 0 0 1.4rem;
  color: var(--blue);
  font-size: .77rem;
  font-weight: 900;
  letter-spacing: .16em;
  text-transform: uppercase;
}
.eyebrow { display: flex; align-items: center; gap: .7rem; }
.eyebrow span { display: inline-block; width: 34px; height: 3px; background: var(--blue); }
.hero h1 {
  margin: 0;
  max-width: 8ch;
  font-size: clamp(3.9rem, 8.2vw, 8.8rem);
  line-height: .98;
  letter-spacing: -.075em;
  font-weight: 900;
}
.hero h1 em { color: var(--blue); font-style: normal; }
.hero-lead {
  max-width: 20em;
  margin: 2.1rem 0 .6rem;
  font-size: clamp(1.25rem, 2vw, 1.8rem);
  line-height: 1.45;
  font-weight: 800;
}
.hero-note { max-width: 33em; margin: 0; color: var(--muted); }
.hero-actions { display: flex; flex-wrap: wrap; gap: .8rem; margin-top: 2.5rem; }
.button {
  border: 0;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .7rem;
  min-height: 54px;
  padding: .8rem 1.45rem;
  text-decoration: none;
  font-weight: 900;
  cursor: pointer;
  transition: transform .2s, box-shadow .2s, background .2s;
}
.button:hover { transform: translateY(-2px); }
.button-primary { background: var(--yellow); color: var(--ink); box-shadow: 0 12px 30px color-mix(in srgb, var(--yellow) 20%, transparent); }
.button-secondary { background: transparent; border: 1.5px solid var(--ink); }

.hero-art {
  min-height: 650px;
  position: relative;
  background:
    linear-gradient(145deg, transparent 50%, color-mix(in srgb, var(--white) 70%, transparent) 50%),
    linear-gradient(210deg, var(--aqua) 0 25%, transparent 25%);
}
.sun {
  width: min(34vw, 480px);
  aspect-ratio: 1;
  position: absolute;
  right: -5%;
  top: 13%;
  border-radius: 50%;
  background: var(--yellow);
  filter: blur(.2px);
  box-shadow: 0 0 90px color-mix(in srgb, var(--yellow) 22%, transparent);
}
.speech {
  position: absolute;
  width: min(360px, 72%);
  padding: 1.35rem 1.55rem 1.6rem;
  border-radius: 26px 26px 5px 26px;
  box-shadow: var(--shadow);
  transform: rotate(-2deg);
}
.speech small { display: block; margin-bottom: .4rem; font-weight: 700; opacity: .7; }
.speech strong { display: block; font-size: clamp(1.25rem, 2.2vw, 1.75rem); line-height: 1.4; }
.speech-a { left: 3%; top: 16%; background: var(--white); }
.speech-b { right: 5%; top: 48%; color: var(--white); background: var(--blue); transform: rotate(2deg); }
.sound-lines {
  position: absolute;
  left: 10%;
  bottom: 12%;
  height: 76px;
  display: flex;
  align-items: center;
  gap: 9px;
}
.sound-lines i { display: block; width: 8px; height: 20%; border-radius: 99px; background: var(--aqua); }
.sound-lines i:nth-child(2), .sound-lines i:nth-child(6) { height: 50%; }
.sound-lines i:nth-child(3), .sound-lines i:nth-child(5) { height: 85%; }
.sound-lines i:nth-child(4) { height: 100%; background: var(--blue); }
.hero-slogan { position: absolute; right: 5%; bottom: 5%; margin: 0; font-weight: 900; letter-spacing: .08em; }

.event-ribbon {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: clamp(2rem, 7vw, 8rem);
  padding: 1.3rem clamp(1.5rem, 6vw, 7rem);
  color: var(--white);
  background: var(--ink);
}

.field-stop {
  display: grid;
  grid-template-columns: minmax(320px, 1fr) minmax(360px, 1fr);
  min-height: 720px;
  background: var(--yellow);
}
.field-stop-photo {
  min-height: 620px;
  padding: clamp(1.2rem, 3vw, 3rem);
  display: grid;
  place-items: center;
  background:
    linear-gradient(145deg, color-mix(in srgb, var(--blue) 95%, transparent), color-mix(in srgb, var(--aqua) 82%, transparent)),
    repeating-linear-gradient(-45deg, transparent 0 22px, color-mix(in srgb, var(--white) 15%, transparent) 22px 44px);
}
.photo-placeholder {
  width: min(460px, 86%);
  aspect-ratio: 4 / 5;
  display: grid;
  place-content: center;
  gap: .4rem;
  text-align: center;
  color: var(--white);
  border: 2px dashed color-mix(in srgb, var(--white) 75%, transparent);
  border-radius: 24px;
  background: color-mix(in srgb, var(--white) 10%, transparent);
}
.photo-placeholder span { font-size: clamp(1.8rem, 3vw, 3rem); font-weight: 900; }
.photo-placeholder small { opacity: .7; letter-spacing: .12em; }
.field-stop-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(3.5rem, 7vw, 7rem);
}
.field-stop-copy .eyebrow { color: var(--ink); }
.field-stop-copy .eyebrow span { background: var(--ink); }
.field-stop-copy h2 {
  margin: 0;
  font-size: clamp(3.5rem, 7vw, 7.5rem);
  line-height: .98;
  letter-spacing: -.07em;
}
.field-stop-copy h2 strong { color: var(--blue); }
.field-stop-lead { max-width: 31em; margin: 2rem 0; font-size: 1.1rem; font-weight: 600; }
.event-details { margin: 0; border-top: 1px solid color-mix(in srgb, var(--ink) 25%, transparent); }
.event-details div { display: grid; grid-template-columns: 90px 1fr; gap: 1rem; padding: .85rem 0; border-bottom: 1px solid color-mix(in srgb, var(--ink) 25%, transparent); }
.event-details dt { font-size: .75rem; font-weight: 900; letter-spacing: .1em; }
.event-details dd { margin: 0; font-weight: 700; }
.field-stop-note { margin: 1.2rem 0 0; font-size: .82rem; }
.event-ribbon p { margin: 0; }
.event-ribbon p:first-child { display: flex; align-items: center; gap: 1rem; white-space: nowrap; }
.event-ribbon span { color: var(--yellow); font-size: .72rem; font-weight: 900; letter-spacing: .12em; }
.event-ribbon strong { font-size: 1.15rem; }

.form-section, .listen-section, .principles {
  display: grid;
  grid-template-columns: minmax(250px, .75fr) minmax(0, 1.25fr);
  gap: clamp(2rem, 7vw, 8rem);
  padding: clamp(5rem, 10vw, 10rem) clamp(1.5rem, 7vw, 8rem);
}
.form-section { background: var(--paper); }
.section-heading h2, .response-copy h2, .principles h2 {
  margin: 0;
  font-size: clamp(2.5rem, 5vw, 5.5rem);
  line-height: 1.08;
  letter-spacing: -.055em;
  font-weight: 900;
}
.section-heading > p:last-child { max-width: 32em; color: var(--muted); }
.section-heading { align-self: start; position: sticky; top: 130px; }

.voice-form {
  padding: clamp(1.4rem, 3vw, 3rem);
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.voice-form fieldset { margin: 0 0 2.2rem; padding: 0; border: 0; }
.voice-form legend, .field-title {
  width: 100%;
  display: flex;
  align-items: center;
  gap: .7rem;
  margin-bottom: .85rem;
  font-weight: 900;
}
.voice-form legend span, .field-title b {
  width: 28px;
  height: 28px;
  display: inline-grid;
  place-items: center;
  flex: 0 0 28px;
  border-radius: 50%;
  background: var(--ink);
  color: var(--white);
  font-size: .74rem;
}
.segmented { display: grid; grid-template-columns: 1fr 1fr; gap: .8rem; }
.segmented label, .topic-grid label { cursor: pointer; }
.segmented input, .topic-grid input { position: absolute; opacity: 0; pointer-events: none; }
.segmented label > span {
  min-height: 112px;
  padding: 1.15rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  border: 1.5px solid var(--line);
  border-radius: 18px;
  transition: .2s;
}
.segmented b { font-size: 1.1rem; }
.segmented small { margin-top: .25rem; color: var(--muted); }
.segmented input:checked + span { border-color: var(--blue); background: var(--ice); box-shadow: inset 0 0 0 1px var(--blue); }
.segmented input:focus-visible + span, .topic-grid input:focus-visible + span { outline: 3px solid color-mix(in srgb, var(--blue) 25%, transparent); outline-offset: 2px; }

.field { display: block; margin-bottom: 2.2rem; }
.field textarea, .field select, .field input[type="text"] {
  width: 100%;
  padding: 1rem 1.05rem;
  border: 1.5px solid var(--line);
  border-radius: 14px;
  color: var(--ink);
  background: var(--white);
  outline: none;
}
.field textarea { min-height: 155px; resize: vertical; }
.field textarea:focus, .field select:focus, .field input[type="text"]:focus { border-color: var(--blue); box-shadow: 0 0 0 4px color-mix(in srgb, var(--blue) 10%, transparent); }
.field-help { display: block; margin-top: .55rem; color: var(--muted); }
.topic-help { margin: -.5rem 0 1rem; color: var(--muted); font-size: .82rem; }
.topic-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: .65rem; }
.topic-grid span {
  min-height: 86px;
  padding: .9rem 1rem;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  text-align: center;
  border: 1.5px solid var(--line);
  border-radius: 16px;
  font-size: .88rem;
  font-weight: 700;
  transition: .2s;
}
.topic-grid b { text-align: left; font-size: .92rem; line-height: 1.35; }
.topic-grid small { margin-top: .28rem; color: var(--muted); font-size: .7rem; font-weight: 700; letter-spacing: .04em; }
.topic-grid input:checked + span { color: var(--white); border-color: var(--aqua); background: var(--aqua); }
.topic-grid input:checked + span small { color: color-mix(in srgb, var(--white) 78%, transparent); }
.two-columns { display: grid; grid-template-columns: 1fr 1fr; gap: .8rem; }
.consent-box { padding: 1.2rem; background: var(--ice); border-radius: 16px; }
.consent-box label { display: flex; align-items: flex-start; gap: .7rem; font-weight: 700; cursor: pointer; }
.consent-box input { width: 20px; height: 20px; margin-top: .25rem; accent-color: var(--blue); }
.consent-box p { margin: .5rem 0 0 1.8rem; color: var(--muted); font-size: .8rem; }
.submit-button { width: 100%; margin-top: 1.2rem; color: var(--ink); background: var(--yellow); font-size: 1.05rem; }
.prototype-note { margin: .8rem 0 0; color: var(--muted); text-align: center; font-size: .75rem; }

.listen-section {
  grid-template-columns: .65fr 1.35fr;
  background: var(--ice);
}
.section-heading.compact { position: static; }
.topic-cloud {
  grid-column: 2;
  min-height: 390px;
  position: relative;
  overflow: hidden;
  border-radius: var(--radius);
  background: var(--white);
  border: 1px solid color-mix(in srgb, var(--aqua) 20%, transparent);
}
.topic-cloud::before {
  content: "";
  width: 420px;
  height: 420px;
  position: absolute;
  right: -90px;
  bottom: -210px;
  border-radius: 50%;
  background: var(--yellow);
  opacity: .75;
}
.topic-cloud button {
  position: absolute;
  left: calc(var(--x) * 1%);
  top: calc(var(--y) * 1%);
  padding: .32rem .65rem;
  border: 0;
  color: var(--ink);
  background: transparent;
  font-size: calc(var(--size) * clamp(1.15rem, 2.6vw, 2.3rem));
  font-weight: 900;
  letter-spacing: -.04em;
  cursor: pointer;
}
.topic-cloud button:hover { color: var(--blue); }
.cloud-label { position: absolute; right: 1.3rem; bottom: 1rem; font-size: .72rem; font-weight: 700; text-align: right; opacity: .6; }
.voice-filter { grid-column: 1 / -1; display: flex; flex-wrap: wrap; gap: .65rem; margin-top: 1.5rem; }
.voice-filter button {
  padding: .65rem 1.05rem;
  border: 1.5px solid var(--ink);
  border-radius: 999px;
  color: var(--ink);
  background: transparent;
  font-weight: 800;
  cursor: pointer;
}
.voice-filter button.active { color: var(--white); background: var(--ink); }
.voices-grid { grid-column: 1 / -1; display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; margin-top: 2rem; }
.voice-card[hidden] { display: none; }
.voice-card { min-height: 300px; display: flex; flex-direction: column; padding: 1.5rem; border-radius: 20px; }
.voice-card.yellow { background: var(--yellow-soft); }
.voice-card.blue { background: var(--blue); color: var(--white); }
.voice-card.aqua { background: var(--aqua-soft); }
.voice-meta { margin: 0; font-size: .75rem; font-weight: 700; }
.voice-meta span { display: block; margin-bottom: .25rem; opacity: .68; }
.voice-card blockquote { margin: auto 0; padding: 1rem 0; font-size: clamp(1.2rem, 2vw, 1.65rem); line-height: 1.55; font-weight: 800; }
.voice-card footer { display: flex; justify-content: space-between; align-items: center; gap: 1rem; font-size: .76rem; }
.voice-card footer em { padding: .25rem .6rem; border: 1px solid currentColor; border-radius: 99px; font-style: normal; }

.weekly-voice {
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  min-height: 680px;
  background: var(--white);
}
.weekly-copy { display: flex; flex-direction: column; justify-content: center; padding: clamp(4rem, 8vw, 8rem); }
.weekly-copy h2 { margin: 0; font-size: clamp(3rem, 6vw, 6.5rem); line-height: 1.03; letter-spacing: -.065em; }
.weekly-copy > p:not(.eyebrow) { max-width: 34em; color: var(--muted); }
.weekly-tags { display: flex; flex-wrap: wrap; gap: .55rem; margin-top: 1.2rem; }
.weekly-tags span { padding: .35rem .7rem; border: 1px solid var(--line); border-radius: 999px; font-size: .76rem; font-weight: 800; }
.weekly-media { min-height: 620px; display: grid; place-items: center; padding: clamp(2rem, 5vw, 5rem); background: var(--ice); }
.reel-frame {
  width: min(360px, 90%);
  aspect-ratio: 9 / 16;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  color: var(--white);
  text-align: center;
  border-radius: 28px;
  background:
    linear-gradient(color-mix(in srgb, var(--ink) 18%, transparent), color-mix(in srgb, var(--ink) 50%, transparent)),
    linear-gradient(145deg, var(--aqua), var(--blue));
  box-shadow: var(--shadow);
}
.reel-label { padding: .2rem .55rem; border: 1px solid var(--white); border-radius: 4px; font-size: .7rem; font-weight: 900; letter-spacing: .12em; }
.reel-frame strong { font-size: 1.35rem; }
.reel-frame small { margin-top: .35rem; opacity: .72; }

.response-section {
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  min-height: 720px;
  color: var(--white);
  background: var(--ink);
}
.response-copy { display: flex; flex-direction: column; justify-content: center; padding: clamp(4rem, 8vw, 8rem); }
.section-number.light { color: var(--yellow); }
.response-copy > p:not(.section-number) { max-width: 32em; color: color-mix(in srgb, var(--white) 72%, transparent); }
.live-status { margin-top: 2rem; display: flex; align-items: center; gap: .7rem; font-weight: 800; }
.live-status i { width: 11px; height: 11px; border-radius: 50%; background: var(--live); box-shadow: 0 0 0 7px color-mix(in srgb, var(--live) 12%, transparent); }
.media-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 560px;
  text-align: center;
  background:
    linear-gradient(color-mix(in srgb, var(--blue) 85%, transparent), color-mix(in srgb, var(--aqua) 80%, transparent)),
    repeating-linear-gradient(45deg, transparent 0 20px, color-mix(in srgb, var(--white) 8%, transparent) 20px 40px);
}
.media-placeholder > span { padding: .25rem .6rem; background: var(--live); border-radius: 5px; font-weight: 900; font-size: .75rem; letter-spacing: .12em; }
.play { width: 84px; height: 84px; display: grid; place-items: center; margin: 2.2rem 0; padding-left: 5px; border: 2px solid var(--white); border-radius: 50%; font-size: 1.5rem; }
.media-placeholder strong { font-size: 1.5rem; }
.media-placeholder small { margin-top: .4rem; color: color-mix(in srgb, var(--white) 70%, transparent); }

.campaign-visual { margin: 0; padding: clamp(2rem, 5vw, 5rem); background: var(--paper); }
.campaign-visual img { width: 100%; display: block; border-radius: 24px; box-shadow: var(--shadow); }

.principles { background: var(--yellow); }
.principles ol { margin: 0; padding: 0; list-style: none; }
.principles li { display: grid; grid-template-columns: 60px 1fr; gap: 1rem; padding: 1.3rem 0; border-top: 1px solid color-mix(in srgb, var(--ink) 25%, transparent); }
.principles li:last-child { border-bottom: 1px solid color-mix(in srgb, var(--ink) 25%, transparent); }
.principles li > span { font-size: .75rem; font-weight: 900; }
.principles strong { font-size: 1.2rem; }
.principles li p { margin: .25rem 0 0; }

.site-footer {
  display: grid;
  grid-template-columns: 1fr 1fr auto;
  align-items: end;
  gap: 2rem;
  padding: 4rem clamp(1.5rem, 6vw, 7rem);
  color: var(--white);
  background: var(--ink);
}
.site-footer div { display: grid; }
.site-footer strong { font-size: 1.3rem; }
.site-footer span, .site-footer p { color: color-mix(in srgb, var(--white) 65%, transparent); }
.site-footer p { margin: 0; }
.site-footer .footer-slogan { color: var(--yellow); font-weight: 900; }

dialog {
  width: min(520px, calc(100% - 2rem));
  padding: 2.2rem;
  border: 0;
  border-radius: 24px;
  box-shadow: 0 30px 90px color-mix(in srgb, var(--ink) 30%, transparent);
}
dialog::backdrop { background: color-mix(in srgb, var(--ink) 58%, transparent); backdrop-filter: blur(5px); }
dialog h2 { margin: 0; font-size: 2.2rem; line-height: 1.2; }
.dialog-close { position: absolute; right: 1rem; top: .7rem; border: 0; background: none; font-size: 2rem; cursor: pointer; }
.dialog-action { width: 100%; margin-top: 1rem; }
.policy-push { margin-top: 1.25rem; padding: 1.15rem 1.2rem; border-radius: 18px; background: var(--ice); }
.policy-push-label { display: inline-flex; margin: 0 0 .45rem; padding: .28rem .58rem; border-radius: 999px; color: var(--white); background: var(--blue); font-size: .72rem; font-weight: 900; }
.policy-push h3 { margin: 0 0 .65rem; font-size: 1rem; }
.policy-push ul { margin: 0; padding-left: 1.2rem; }
.policy-push li { margin-top: .35rem; line-height: 1.45; }

@media (max-width: 900px) {
  .site-header {
    height: auto;
    min-height: 88px;
    display: grid;
    grid-template-columns: 1fr;
    gap: .6rem;
    padding-top: .7rem;
    padding-bottom: .7rem;
  }
  .site-header nav {
    width: 100%;
    gap: .5rem;
    overflow-x: auto;
    scrollbar-width: none;
    padding-bottom: .1rem;
  }
  .site-header nav::-webkit-scrollbar { display: none; }
  .site-header nav a {
    flex: 0 0 auto;
    padding: .45rem .72rem;
    border-radius: 999px;
    background: color-mix(in srgb, var(--white) 65%, transparent);
  }
  .site-header nav .nav-cta { color: var(--white); background: var(--ink); }
  .hero { grid-template-columns: 1fr; }
  .hero-copy { padding-bottom: 3rem; }
  .hero-art { min-height: 520px; }
  .sun { width: 60vw; }
  .field-stop, .weekly-voice { grid-template-columns: 1fr; }
  .field-stop-photo { min-height: 560px; }
  .form-section, .listen-section, .principles { grid-template-columns: 1fr; }
  .section-heading { position: static; }
  .topic-cloud { grid-column: 1; }
  .voices-grid { grid-template-columns: 1fr; }
  .weekly-media { min-height: 700px; }
  .response-section { grid-template-columns: 1fr; }
  .campaign-visual { padding: 1.2rem; overflow: hidden; }
  .campaign-visual img { min-width: 960px; width: 180%; transform: translateX(-22%); }
  .site-footer { grid-template-columns: 1fr; align-items: start; }
}

@media (max-width: 620px) {
  .site-header { height: auto; padding: .7rem 1rem; }
  .brand-mark { width: 40px; height: 40px; }
  .brand small { display: none; }
  .site-header nav a { font-size: .78rem; }
  .nav-cta { padding: .45rem .72rem; font-size: .78rem !important; }
  .hero { min-height: auto; }
  .hero-copy { padding: 4rem 1.25rem 3rem; }
  .hero h1 { font-size: clamp(3.65rem, 19vw, 5.5rem); }
  .hero-art { min-height: 470px; }
  .speech { width: 82%; }
  .speech-a { left: 5%; top: 11%; }
  .speech-b { right: 4%; top: 46%; }
  .event-ribbon { grid-template-columns: 1fr; gap: .35rem; padding: 1.2rem; }
  .field-stop-copy { padding: 4.5rem 1.25rem; }
  .field-stop-photo { min-height: 480px; }
  .form-section, .listen-section, .principles { padding: 4.5rem 1.15rem; }
  .segmented, .topic-grid, .two-columns { grid-template-columns: 1fr; }
  .voice-form { padding: 1.15rem; border-radius: 20px; }
  .topic-cloud { min-height: 520px; }
  .topic-cloud button:nth-child(2) { top: 24% !important; left: 45% !important; }
  .topic-cloud button:nth-child(3) { top: 48% !important; left: 34% !important; }
  .topic-cloud button:nth-child(4) { top: 63% !important; left: 8% !important; }
  .topic-cloud button:nth-child(5) { top: 76% !important; left: 36% !important; }
  .topic-cloud button:nth-child(6) { top: 37% !important; left: 10% !important; }
  .response-copy { padding: 4.5rem 1.25rem; }
  .weekly-copy { padding: 4.5rem 1.25rem; }
  .weekly-media { min-height: 620px; padding: 2.5rem 1rem; }
  .media-placeholder { min-height: 420px; padding: 1.5rem; }
  .campaign-visual img { min-width: 820px; width: 220%; transform: translateX(-28%); }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}