:root {
  color-scheme: dark;
  --background: #15100c;
  --surface: #1d1712;
  --surface-raised: #241c15;
  --surface-soft: #2b2118;
  --border: #493821;
  --border-strong: #7a6a54;
  --text: #f3ece1;
  --muted: #b8a991;
  --muted-strong: #d4c6b3;
  --accent: #e8a33d;
  --accent-pressed: #c98a2e;
  --accent-muted: #3d2c15;
  --success: #6fcf97;
  --max-width: 1180px;
  --display-font: 'Space Grotesk', 'Inter', ui-sans-serif, system-ui, sans-serif;
  --body-font:
    'Noto Sans TC', 'PingFang TC', 'Microsoft JhengHei', ui-sans-serif, system-ui, sans-serif;
}

* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  background: var(--background);
  color: var(--text);
  font-family: var(--body-font);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a {
  color: inherit;
  text-decoration: none;
}
a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 4px;
}
button {
  font: inherit;
}

.section-shell {
  width: min(calc(100% - 48px), var(--max-width));
  margin: 0 auto;
}
.site-header {
  align-items: center;
  display: flex;
  gap: 32px;
  justify-content: space-between;
  margin: 0 auto;
  padding: 28px 24px;
  width: min(100%, 1280px);
}
.wordmark {
  font: 700 24px/1 var(--display-font);
  letter-spacing: -0.06em;
}
.wordmark span {
  color: var(--accent);
}
.desktop-nav {
  display: flex;
  gap: 28px;
  margin-left: auto;
}
.desktop-nav a,
.footer-links a {
  color: var(--muted);
  font-size: 14px;
  transition: color 180ms ease;
}
.desktop-nav a:hover,
.footer-links a:hover {
  color: var(--text);
}
.header-actions {
  align-items: center;
  display: flex;
  gap: 16px;
}
.language-button {
  background: transparent;
  border: 0;
  color: var(--muted-strong);
  cursor: pointer;
  font-size: 13px;
  min-height: 44px;
  padding: 8px 4px;
  transition: color 180ms ease;
}
.language-button:hover {
  color: var(--accent);
}
.button {
  align-items: center;
  border-radius: 999px;
  display: inline-flex;
  font-weight: 700;
  justify-content: center;
  min-height: 52px;
  padding: 13px 24px;
  transition:
    background 180ms ease,
    border-color 180ms ease,
    color 180ms ease,
    transform 180ms ease;
}
.button:hover {
  transform: translateY(-2px);
}
.button-primary {
  background: var(--accent);
  color: #1d1712;
  box-shadow: 0 0 28px rgba(232, 163, 61, 0.22);
}
.button-primary:hover {
  background: #f0b254;
}
.button-outline {
  border: 1px solid var(--border-strong);
  color: var(--text);
}
.button-outline:hover {
  border-color: var(--accent);
  color: var(--accent);
}
.button-small {
  min-height: 42px;
  padding: 8px 17px;
  font-size: 14px;
}

.hero {
  align-items: center;
  display: grid;
  gap: clamp(48px, 8vw, 110px);
  grid-template-columns: minmax(0, 1fr) minmax(380px, 0.85fr);
  min-height: 720px;
  padding-bottom: 88px;
  padding-top: 74px;
}
.eyebrow {
  color: var(--accent);
  font: 600 12px/1.3 var(--display-font);
  letter-spacing: 0.14em;
  margin: 0 0 22px;
  text-transform: uppercase;
}
h1,
h2,
h3,
p {
  margin-top: 0;
}
h1,
h2,
h3 {
  font-family: var(--display-font);
  letter-spacing: -0.055em;
}
h1 {
  font-size: clamp(56px, 7.2vw, 94px);
  line-height: 0.98;
  max-width: 680px;
}
.hero-description {
  color: var(--muted-strong);
  font-size: clamp(18px, 2vw, 22px);
  line-height: 1.55;
  max-width: 560px;
}
.hero-actions {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  margin-top: 34px;
}
.text-link {
  border-bottom: 1px solid var(--border-strong);
  color: var(--muted-strong);
  display: inline-flex;
  gap: 10px;
  padding-bottom: 4px;
  transition:
    border-color 180ms ease,
    color 180ms ease;
}
.text-link:hover {
  border-color: var(--accent);
  color: var(--accent);
}
.quiet-note {
  color: var(--muted);
  font-size: 13px;
  margin: 23px 0 0;
}

.brew-visual {
  min-height: 470px;
  position: relative;
}
.visual-glow {
  background: var(--accent);
  border-radius: 50%;
  filter: blur(90px);
  height: 210px;
  opacity: 0.11;
  position: absolute;
  right: 0;
  top: 40px;
  width: 210px;
}
.brew-card {
  background: rgba(36, 28, 21, 0.92);
  border: 1px solid var(--border);
  border-radius: 22px;
  box-shadow: 0 30px 70px rgba(0, 0, 0, 0.28);
  max-width: 420px;
  padding: 26px;
  position: absolute;
  right: 4%;
  top: 22px;
  transform: rotate(2.5deg);
  width: 90%;
}
.brew-card-topline,
.timer-row,
.review-row,
.comparison-heading,
.comparison-line {
  align-items: center;
  display: flex;
  justify-content: space-between;
}
.brew-card-topline {
  color: var(--muted);
  font: 600 11px/1 var(--display-font);
  letter-spacing: 0.12em;
}
.status-dot {
  align-items: center;
  display: inline-flex;
  gap: 7px;
  letter-spacing: 0;
  text-transform: none;
}
.status-dot i {
  background: var(--success);
  border-radius: 50%;
  box-shadow: 0 0 10px rgba(111, 207, 151, 0.55);
  height: 7px;
  width: 7px;
}
.brew-card-title {
  align-items: center;
  display: flex;
  gap: 14px;
  margin-top: 38px;
}
.coffee-mark {
  background: var(--accent-muted);
  border: 1px solid var(--accent);
  border-radius: 50%;
  display: block;
  height: 42px;
  position: relative;
  width: 42px;
}
.coffee-mark::after {
  border: 2px solid var(--accent);
  border-radius: 50%;
  content: '';
  height: 14px;
  left: 12px;
  position: absolute;
  top: 12px;
  width: 14px;
}
.brew-card-title strong,
.brew-card-title span {
  display: block;
}
.brew-card-title strong {
  font: 600 18px/1.3 var(--display-font);
  letter-spacing: -0.035em;
}
.brew-card-title span {
  color: var(--muted);
  font-size: 12px;
  margin-top: 6px;
}
.timer-row {
  border-bottom: 1px solid var(--border);
  margin-top: 34px;
  padding-bottom: 26px;
}
.timer-label,
.advice-label {
  color: var(--muted);
  display: block;
  font: 600 10px/1.3 var(--display-font);
  letter-spacing: 0.12em;
}
.timer-value {
  display: block;
  font: 700 56px/1 var(--display-font);
  letter-spacing: -0.08em;
  margin-top: 8px;
}
.step-ring {
  align-items: baseline;
  border: 7px solid var(--accent);
  border-left-color: var(--border);
  border-radius: 50%;
  display: flex;
  height: 78px;
  justify-content: center;
  padding-left: 5px;
  width: 78px;
}
.step-ring span {
  font: 700 24px/1 var(--display-font);
}
.step-ring small {
  color: var(--muted);
  font: 600 11px/1 var(--display-font);
}
.review-row {
  color: var(--muted);
  font-size: 13px;
  margin-top: 22px;
}
.pill {
  background: var(--accent-muted);
  border-radius: 999px;
  color: var(--accent);
  padding: 5px 10px;
}
.advice-box {
  align-items: flex-start;
  background: var(--background);
  border: 1px solid var(--border);
  border-radius: 14px;
  display: flex;
  gap: 13px;
  margin-top: 24px;
  padding: 16px;
}
.advice-icon {
  align-items: center;
  background: var(--accent);
  border-radius: 50%;
  color: var(--background);
  display: flex;
  flex: 0 0 26px;
  font: 700 16px/1 var(--display-font);
  height: 26px;
  justify-content: center;
}
.advice-box p {
  font-size: 14px;
  line-height: 1.45;
  margin: 6px 0 0;
}
.visual-caption {
  bottom: 18px;
  color: var(--muted);
  font-size: 13px;
  position: absolute;
  right: 0;
}

.proof-strip {
  border-bottom: 1px solid var(--border);
  border-top: 1px solid var(--border);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  padding: 24px 0;
}
.proof-item {
  align-items: center;
  display: flex;
  gap: 15px;
}
.proof-item + .proof-item {
  border-left: 1px solid var(--border);
  padding-left: 30px;
}
.proof-item span {
  color: var(--accent);
  font: 600 12px var(--display-font);
}
.proof-item strong {
  font: 600 15px var(--display-font);
  letter-spacing: -0.02em;
}

.story-section {
  padding-bottom: 150px;
  padding-top: 170px;
}
.section-intro {
  display: grid;
  gap: 20px;
  grid-template-columns: minmax(200px, 0.65fr) minmax(0, 1.4fr);
}
.section-intro .eyebrow {
  grid-column: 1;
  margin: 4px 0 0;
}
.section-intro h2 {
  font-size: clamp(38px, 5vw, 64px);
  line-height: 1.02;
  margin-bottom: 0;
  max-width: 720px;
}
.section-intro p:last-child {
  color: var(--muted-strong);
  font-size: 17px;
  grid-column: 2;
  line-height: 1.7;
  max-width: 590px;
}
.loop-grid {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(3, 1fr);
  margin-top: 74px;
}
.loop-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 18px;
  min-height: 335px;
  overflow: hidden;
  padding: 27px;
  position: relative;
  transition:
    border-color 180ms ease,
    transform 180ms ease;
}
.loop-card:hover {
  border-color: var(--border-strong);
  transform: translateY(-4px);
}
.loop-card-active {
  background: linear-gradient(145deg, var(--surface-raised), var(--surface));
  border-color: var(--accent);
}
.loop-number {
  color: var(--accent);
  font: 600 12px var(--display-font);
}
.loop-card h3 {
  font-size: 34px;
  margin: 62px 0 10px;
}
.loop-card p {
  color: var(--muted);
  font-size: 14px;
  max-width: 250px;
}
.mini-timer,
.mini-advice {
  bottom: 22px;
  color: var(--accent);
  position: absolute;
}
.mini-timer {
  align-items: center;
  display: flex;
  font: 700 26px var(--display-font);
  gap: 12px;
}
.mini-timer i {
  background: var(--accent);
  border-radius: 50%;
  display: block;
  height: 8px;
  width: 8px;
}
.taste-bars {
  bottom: 29px;
  display: flex;
  gap: 7px;
  position: absolute;
}
.taste-bars i {
  background: var(--accent);
  border-radius: 999px;
  display: block;
  height: 8px;
  width: 34px;
}
.taste-bars i:nth-child(2) {
  opacity: 0.8;
  width: 26px;
}
.taste-bars i:nth-child(3) {
  opacity: 0.55;
  width: 40px;
}
.taste-bars i:nth-child(4) {
  opacity: 0.32;
  width: 19px;
}
.taste-bars i:nth-child(5) {
  opacity: 0.18;
  width: 28px;
}
.mini-advice span,
.mini-advice strong {
  display: block;
}
.mini-advice span {
  color: var(--muted);
  font: 600 10px var(--display-font);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.mini-advice strong {
  font: 600 23px var(--display-font);
  margin-top: 5px;
}

.focus-section {
  align-items: center;
  display: grid;
  gap: clamp(48px, 9vw, 130px);
  grid-template-columns: 1fr 0.9fr;
  padding-bottom: 150px;
}
.focus-copy h2,
.final-cta h2 {
  font-size: clamp(40px, 5vw, 68px);
  line-height: 1;
}
.focus-copy p:not(.eyebrow),
.final-cta p:not(.eyebrow) {
  color: var(--muted-strong);
  font-size: 17px;
  line-height: 1.7;
  max-width: 510px;
}
.focus-copy .text-link {
  margin-top: 18px;
}
.focus-visual {
  min-height: 350px;
  position: relative;
}
.comparison-card {
  background: var(--surface-raised);
  border: 1px solid var(--border);
  border-radius: 18px;
  box-shadow: 16px 24px 0 rgba(61, 44, 21, 0.3);
  left: 4%;
  max-width: 460px;
  padding: 27px;
  position: absolute;
  top: 16px;
  transform: rotate(-3deg);
  width: 92%;
}
.comparison-heading {
  color: var(--muted);
  font: 600 10px var(--display-font);
  letter-spacing: 0.12em;
  padding-left: 100px;
}
.comparison-heading span:last-child {
  color: var(--accent);
}
.comparison-line {
  border-top: 1px solid var(--border);
  margin-top: 20px;
  padding-top: 18px;
}
.comparison-line span {
  color: var(--muted);
  font-size: 13px;
  width: 100px;
}
.comparison-line strong {
  font: 600 15px var(--display-font);
  text-align: center;
  width: 75px;
}
.comparison-line b {
  color: var(--muted);
  font-size: 18px;
}
.comparison-line .highlight {
  color: var(--accent);
}
.comparison-footer {
  align-items: center;
  color: var(--muted-strong);
  display: flex;
  font-size: 13px;
  gap: 10px;
  margin-top: 28px;
}
.check-mark {
  align-items: center;
  background: var(--accent);
  border-radius: 50%;
  color: var(--background);
  display: inline-flex;
  font-weight: 700;
  height: 22px;
  justify-content: center;
  width: 22px;
}

.final-cta {
  padding-bottom: 140px;
  padding-top: 70px;
}
.final-cta-inner {
  border-top: 1px solid var(--border);
  padding-top: 85px;
  text-align: center;
}
.final-cta .eyebrow,
.final-cta p:not(.eyebrow) {
  margin-left: auto;
  margin-right: auto;
}
.final-cta h2 {
  margin-bottom: 20px;
}
.final-cta .button {
  margin-top: 16px;
}
.site-footer {
  align-items: baseline;
  border-top: 1px solid var(--border);
  display: grid;
  gap: 24px;
  grid-template-columns: 1fr 1.5fr auto;
  padding-bottom: 42px;
  padding-top: 28px;
}
.site-footer p {
  color: var(--muted);
  font-size: 13px;
  margin: 0;
}
.footer-links {
  display: flex;
  gap: 24px;
}

@media (max-width: 820px) {
  .section-shell {
    width: min(calc(100% - 36px), var(--max-width));
  }
  .site-header {
    padding: 22px 18px;
  }
  .desktop-nav {
    display: none;
  }
  .hero {
    display: block;
    min-height: auto;
    padding-bottom: 80px;
    padding-top: 70px;
  }
  .hero-copy {
    max-width: 650px;
  }
  .brew-visual {
    margin: 60px auto 0;
    max-width: 500px;
    min-height: 450px;
  }
  .brew-card {
    right: 3%;
  }
  .proof-strip {
    gap: 20px;
    grid-template-columns: 1fr;
  }
  .proof-item + .proof-item {
    border-left: 0;
    border-top: 1px solid var(--border);
    padding-left: 0;
    padding-top: 20px;
  }
  .story-section {
    padding-bottom: 100px;
    padding-top: 110px;
  }
  .section-intro {
    display: block;
  }
  .section-intro h2 {
    margin-bottom: 20px;
  }
  .section-intro p:last-child {
    font-size: 16px;
  }
  .loop-grid {
    grid-template-columns: 1fr;
    margin-top: 48px;
  }
  .loop-card {
    min-height: 280px;
  }
  .loop-card h3 {
    margin-top: 45px;
  }
  .focus-section {
    display: flex;
    flex-direction: column-reverse;
    padding-bottom: 100px;
  }
  .focus-visual {
    min-height: 340px;
    width: 100%;
  }
  .focus-copy {
    width: 100%;
  }
  .final-cta {
    padding-bottom: 90px;
  }
  .final-cta-inner {
    padding-top: 60px;
  }
  .site-footer {
    display: block;
    padding-bottom: 30px;
  }
  .site-footer p {
    margin: 18px 0;
  }
}
@media (max-width: 480px) {
  .header-actions .button {
    display: none;
  }
  .section-shell {
    width: min(calc(100% - 32px), var(--max-width));
  }
  .hero {
    padding-top: 55px;
  }
  .hero-actions {
    align-items: flex-start;
    flex-direction: column;
    gap: 20px;
  }
  .brew-visual {
    min-height: 390px;
  }
  .brew-card {
    padding: 20px;
    right: 0;
    transform: rotate(1.5deg);
    width: 100%;
  }
  .brew-card-title {
    margin-top: 28px;
  }
  .brew-card-title strong {
    font-size: 16px;
  }
  .timer-value {
    font-size: 48px;
  }
  .step-ring {
    height: 68px;
    width: 68px;
  }
  .visual-caption {
    bottom: 0;
  }
  .comparison-card {
    padding: 20px 14px;
    width: 100%;
  }
  .comparison-heading {
    padding-left: 78px;
  }
  .comparison-line span {
    width: 76px;
  }
  .comparison-line strong {
    width: 62px;
  }
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}