.base-plan-page {
  --base-ink: #10110f;
  --base-ink-two: #24261f;
  --base-cream: #f3f0e8;
  --base-white: #fff;
  --base-lime: #c8ff31;
  --base-mint: #b8ffd8;
  --base-gray: #6c6f67;
  --base-soft-gray: #8b8e86;
  --base-line: #e2ded1;
  background: var(--base-ink);
  color: var(--base-ink);
  font-family: Inter, system-ui, sans-serif;
}

.base-plan-page main { width: 100%; margin: 0; padding: 0; background: var(--base-cream); }
.base-shell { width: min(1180px, calc(100% - 48px)); margin-inline: auto; }
.base-kicker,
.base-section-heading > p,
.brazil-layout header > p,
.rules-heading header > p,
.rhythm-heading p {
  margin: 0;
  color: var(--base-gray);
  font: 600 9px/1.4 "IBM Plex Mono", monospace;
  letter-spacing: .16em;
  text-transform: uppercase;
}

.base-hero { padding: 68px 0 30px; }
.base-hero h1 { max-width: 1010px; margin: 20px 0 0; color: var(--base-ink); font-size: clamp(42px, 5.1vw, 60px); font-weight: 600; line-height: 1.04; letter-spacing: -.045em; }
.base-hero h1 span { display: inline-block; border-radius: 7px; background: var(--base-lime); padding: 0 10px; }
.base-hero h1 em { color: var(--base-gray); font-style: normal; }
.base-hero-deck { max-width: 800px; margin: 24px 0 0; color: var(--base-gray); font-size: 16px; line-height: 1.68; }

.strategy-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 20px; margin: 30px 0 0; }
.strategy-grid > div { min-height: 150px; display: flex; flex-direction: column; justify-content: space-between; border: 1px solid var(--base-line); border-radius: 9px; padding: 26px 28px; }
.strategy-grid dt { font-size: clamp(34px, 4vw, 44px); font-weight: 700; line-height: 1; letter-spacing: -.04em; }
.strategy-grid dd { margin: 18px 0 0; color: var(--base-gray); font-size: 12px; line-height: 1.55; }
.strategy-own { border-color: var(--base-lime) !important; background: var(--base-lime); }
.strategy-own dd,
.strategy-return dd { color: rgba(16, 17, 15, .62); }
.strategy-rent { background: var(--base-white); }
.strategy-return { border-color: var(--base-mint) !important; background: var(--base-mint); }
.strategy-live { border-color: var(--base-ink) !important; background: var(--base-ink); color: var(--base-white); }
.strategy-live dd { color: var(--base-soft-gray); }

.rhythm-section { padding: 0 0 28px; }
.rhythm-card { border: 1px solid var(--base-line); border-radius: 9px; background: var(--base-white); padding: 27px 29px; }
.rhythm-heading { display: flex; align-items: baseline; justify-content: space-between; gap: 20px; }
.rhythm-heading span { color: var(--base-gray); font-size: 12px; }
.month-selector { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: 6px; margin-top: 18px; }
.month-selector button { min-height: 48px; border: 1px solid var(--base-line); border-radius: 6px; background: var(--base-white); color: var(--base-gray); cursor: pointer; font: 600 11px/1 Inter, sans-serif; transition: background-color 150ms ease, border-color 150ms ease, color 150ms ease; }
.month-selector button:hover,
.month-selector button:focus-visible { border-color: var(--base-ink); }
.month-selector button[aria-pressed="true"] { border-color: var(--base-lime); background: var(--base-lime); color: var(--base-ink); }
.rhythm-result { margin: 18px 0 0; color: var(--base-ink); font-size: 20px; font-weight: 600; letter-spacing: -.025em; }

.base-section { padding: 48px 0; }
.base-section-heading { display: grid; gap: 10px; max-width: 820px; margin-bottom: 28px; }
.base-section-heading h2,
.brazil-layout h2,
.rules-heading h2 { margin: 0; font-size: clamp(31px, 4vw, 40px); font-weight: 600; line-height: 1.1; letter-spacing: -.035em; }
.base-section-heading > span { max-width: 760px; color: var(--base-gray); font-size: 14px; line-height: 1.65; }

.theory-grid,
.place-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }
.theory-card,
.place-card { min-height: 340px; display: flex; flex-direction: column; border: 1px solid var(--base-line); border-radius: 9px; padding: 28px 30px; }
.light-card,
.place-card { background: var(--base-white); }
.dark-card { border-color: var(--base-ink); background: var(--base-ink); color: var(--base-white); }
.card-label,
.stay-label { display: flex; align-items: center; gap: 12px; color: var(--base-gray); font: 600 9px/1.4 "IBM Plex Mono", monospace; letter-spacing: .12em; text-transform: uppercase; }
.card-label b,
.stay-label b { display: inline-flex; align-items: center; justify-content: center; min-width: 29px; min-height: 25px; border-radius: 6px; background: var(--base-ink); color: var(--base-white); }
.dark-card .card-label { color: var(--base-soft-gray); }
.dark-card .card-label b { background: var(--base-lime); color: var(--base-ink); }
.theory-card h3 { margin: 60px 0 14px; font-size: clamp(27px, 3vw, 34px); line-height: 1.08; letter-spacing: -.035em; }
.theory-card p { margin: 0; color: var(--base-gray); font-size: 14px; line-height: 1.65; }
.dark-card p { color: var(--base-soft-gray); }
.theory-card ul,
.place-card ul { display: flex; flex-wrap: wrap; gap: 7px; list-style: none; margin: 24px 0 0; padding: 0; }
.theory-card li,
.place-card li { border: 1px solid var(--base-line); border-radius: 6px; padding: 6px 9px; color: var(--base-gray); font-size: 11px; }
.dark-card li { border-color: var(--base-ink-two); color: var(--base-soft-gray); }
.principle-band,
.split-band { display: grid; grid-template-columns: 120px 1fr; gap: 24px; align-items: baseline; border-radius: 9px; margin-top: 20px; padding: 27px 30px; }
.principle-band { background: var(--base-lime); }
.principle-band span,
.split-band span { font: 700 9px/1.4 "IBM Plex Mono", monospace; letter-spacing: .13em; text-transform: uppercase; }
.principle-band strong,
.split-band strong { font-size: 20px; line-height: 1.42; letter-spacing: -.02em; }

.shortlist-section { padding-top: 44px; }
.place-card { min-height: 470px; }
.place-title { display: flex; align-items: end; gap: 16px; }
.place-title > span { padding-bottom: 7px; color: var(--base-gray); font: 700 9px/1 "IBM Plex Mono", monospace; letter-spacing: .1em; }
.place-card h3 { margin: 0; font-size: clamp(42px, 5vw, 56px); line-height: .9; letter-spacing: -.05em; }
.country-flag { display: inline-block; margin-right: .24em; font-size: .58em; line-height: 1; vertical-align: .12em; }
.place-card h4 { margin: 26px 0 12px; font-size: 20px; line-height: 1.25; letter-spacing: -.025em; }
.place-card > p { margin: 0; color: var(--base-gray); font-size: 14px; line-height: 1.65; }
.place-card li { border: 0; background: var(--base-cream); color: var(--base-ink); }
.season-block { display: grid; gap: 9px; margin-top: auto; padding-top: 28px; }
.season-block > span,
.season-heading span { color: var(--base-gray); font: 600 8px/1.4 "IBM Plex Mono", monospace; letter-spacing: .14em; text-transform: uppercase; }
.season-strip { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: 4px; }
.season-strip i { min-height: 29px; display: flex; align-items: center; justify-content: center; border-radius: 4px; background: #efebdf; color: var(--base-gray); font: 500 8px/1 Inter, sans-serif; font-style: normal; }
.season-strip i.active { background: var(--base-lime); color: var(--base-ink); font-weight: 700; }

.long-stays-section { padding-bottom: 58px; }
.long-stay-card { min-height: 520px; }
.stay-label b { background: var(--base-mint); color: var(--base-ink); }
.long-stay-card h3 { margin-top: 28px; }
.season-heading { display: flex; align-items: baseline; justify-content: space-between; gap: 16px; }
.season-heading strong { font-size: 11px; }
.mint-season i.active { background: var(--base-mint); }
.season-block small { color: var(--base-gray); font-size: 11px; line-height: 1.55; }
.split-band { background: var(--base-ink); color: var(--base-white); }
.split-band span { color: var(--base-lime); }

.brazil-home { background: var(--base-mint); }
.brazil-layout { display: grid; grid-template-columns: 1.1fr .9fr; gap: 70px; align-items: center; padding-block: 60px; }
.brazil-layout header > p { color: rgba(16, 17, 15, .52); }
.brazil-layout h2 { max-width: 580px; margin-top: 11px; font-size: clamp(34px, 4.7vw, 48px); }
.brazil-layout > div > p { max-width: 560px; margin: 0; color: rgba(16, 17, 15, .68); font-size: 14px; line-height: 1.68; }
.home-tags { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 20px; }
.home-tags span { border: 1px solid rgba(16, 17, 15, .26); border-radius: 6px; padding: 8px 11px; font: 700 8px/1.2 "IBM Plex Mono", monospace; letter-spacing: .1em; text-transform: uppercase; }
.home-tags span:first-child { border-color: var(--base-ink); background: var(--base-ink); color: var(--base-white); }

.buying-rules { background: var(--base-ink); color: var(--base-white); padding: 64px 0 72px; }
.rules-heading { display: grid; grid-template-columns: minmax(0, 1fr) 230px; gap: 60px; align-items: end; }
.rules-heading header { display: grid; gap: 10px; }
.rules-heading header > p,
.rules-heading header > span { color: var(--base-soft-gray); }
.rules-heading header > span { font-size: 13px; line-height: 1.6; }
.rule-score { display: grid; gap: 9px; }
.rule-score > strong { font-size: 39px; line-height: 1; letter-spacing: -.04em; }
.rule-score > div { height: 6px; overflow: hidden; border-radius: 4px; background: var(--base-ink-two); }
.rule-score i { display: block; width: 40%; height: 100%; border-radius: inherit; background: var(--base-lime); transition: width 180ms ease; }
.rule-score > span { color: var(--base-soft-gray); font-size: 11px; line-height: 1.45; }
.rule-score > span.complete { color: var(--base-lime); }
.rule-list { display: grid; gap: 12px; margin-top: 32px; }
.rule-list button { width: 100%; min-height: 76px; display: flex; align-items: center; gap: 20px; border: 1px solid var(--base-ink-two); border-radius: 9px; background: transparent; padding: 18px 25px; color: var(--base-soft-gray); cursor: pointer; text-align: left; transition: border-color 150ms ease, color 150ms ease; }
.rule-list button:hover,
.rule-list button:focus-visible { border-color: var(--base-soft-gray); }
.rule-list button[aria-pressed="true"] { border-color: var(--base-lime); color: var(--base-white); }
.rule-list b { width: 34px; height: 34px; flex: 0 0 auto; display: flex; align-items: center; justify-content: center; border: 1px solid var(--base-ink-two); border-radius: 7px; color: var(--base-soft-gray); font: 700 9px/1 "IBM Plex Mono", monospace; }
.rule-list button[aria-pressed="true"] b { border-color: var(--base-lime); background: var(--base-lime); color: var(--base-ink); }
.rule-list span { font-size: 17px; font-weight: 600; line-height: 1.4; letter-spacing: -.015em; }

@media (max-width: 980px) {
  .strategy-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .brazil-layout { gap: 44px; }
}

@media (max-width: 720px) {
  .base-shell { width: min(100% - 30px, 1180px); }
  .base-hero { padding-top: 48px; }
  .base-hero h1 { font-size: clamp(38px, 11vw, 50px); }
  .strategy-grid,
  .theory-grid,
  .place-grid,
  .brazil-layout,
  .rules-heading { grid-template-columns: 1fr; }
  .strategy-grid { gap: 10px; }
  .strategy-grid > div { min-height: 125px; padding: 22px; }
  .rhythm-card { padding: 23px 20px; }
  .rhythm-heading,
  .season-heading { align-items: flex-start; flex-direction: column; gap: 7px; }
  .month-selector { grid-template-columns: repeat(6, minmax(0, 1fr)); }
  .month-selector button { min-height: 43px; }
  .rhythm-result { font-size: 18px; line-height: 1.35; }
  .base-section { padding: 38px 0; }
  .theory-card,
  .place-card,
  .long-stay-card { min-height: 0; padding: 25px 22px; }
  .theory-card h3 { margin-top: 45px; }
  .place-card h3 { font-size: 46px; }
  .season-block { margin-top: 34px; }
  .principle-band,
  .split-band { grid-template-columns: 1fr; gap: 10px; padding: 23px 21px; }
  .brazil-layout { gap: 28px; padding-block: 45px; }
  .buying-rules { padding: 52px 0 60px; }
  .rules-heading { gap: 32px; }
  .rule-list button { align-items: flex-start; padding: 17px; }
  .rule-list span { font-size: 15px; }
}