/* ===== FONTS ===== */
:root {
  --font-display: 'Cormorant Garamond', Georgia, serif;
  --font-body: 'DM Sans', system-ui, sans-serif;
  --bg: #F5F0E8;
  --bg-alt: #EDE6D8;
  --fg: #2D1F14;
  --fg-muted: #6B5B4E;
  --accent: #C4622D;
  --accent-dark: #A04E22;
  --good: #3A7D44;
  --bad: #8B2E2E;
  --neutral: #5A5A7A;
  --border: #D4C5B2;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; font-size: 16px; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

/* ===== NAV ===== */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 1.25rem 2rem;
  display: flex;
  align-items: center;
  background: rgba(245, 240, 232, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}
.nav__brand { display: flex; align-items: center; gap: 0.5rem; }
.nav__logo { color: var(--accent); font-size: 1.1rem; }
.nav__name { font-family: var(--font-display); font-size: 1.4rem; font-weight: 600; color: var(--fg); letter-spacing: 0.02em; }

/* ===== HERO ===== */
.hero {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  padding: 7rem 4rem 4rem;
  max-width: 1400px;
  margin: 0 auto;
}
.hero__headline {
  font-family: var(--font-display);
  font-size: clamp(3rem, 5.5vw, 5.5rem);
  font-weight: 600;
  line-height: 1.08;
  color: var(--fg);
  letter-spacing: -0.01em;
  margin-bottom: 1.75rem;
}
.hero__sub {
  font-size: 1.05rem;
  color: var(--fg-muted);
  max-width: 480px;
  line-height: 1.7;
}

/* Ecu Grid Visual */
.ecu-grid {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 1.5rem;
  max-width: 420px;
  margin-left: auto;
}
.ecu-grid__row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 6px;
  margin-bottom: 6px;
}
.ecu-grid__row--witness, .ecu-grid__row--judge { }
.ecu-cell { background: var(--bg); border: 1px solid var(--border); border-radius: 3px; padding: 0.6rem 0.4rem; text-align: center; }
.ecu-cell--witness { grid-column: span 1; }
.ecu-cell--judge { grid-column: span 1; }
.ecu-cell--empty { background: transparent; border: 1px dashed var(--border); opacity: 0.4; }
.ecu-cell__label { font-family: var(--font-display); font-size: 0.65rem; font-style: italic; color: var(--fg-muted); margin-bottom: 0.3rem; }
.ecu-cell__dots { font-size: 0.9rem; letter-spacing: 0.12em; color: var(--accent); }
.hero__caption { text-align: center; font-family: var(--font-display); font-style: italic; font-size: 0.85rem; color: var(--fg-muted); margin-top: 1rem; }

/* ===== SECTIONS ===== */
section { padding: 5rem 2rem; }
.section-label { display: block; font-size: 0.75rem; font-weight: 500; letter-spacing: 0.18em; text-transform: uppercase; color: var(--accent); margin-bottom: 1.25rem; }

/* ===== METHOD ===== */
.method { background: var(--bg-alt); }
.method__inner { max-width: 1100px; margin: 0 auto; }
.method__headline { font-family: var(--font-display); font-size: clamp(1.8rem, 3vw, 2.8rem); font-weight: 600; line-height: 1.2; max-width: 620px; margin-bottom: 4rem; }
.method__steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 2.5rem; }
.step__num { display: block; font-family: var(--font-display); font-size: 2.5rem; font-weight: 700; color: var(--border); line-height: 1; margin-bottom: 1rem; }
.step__title { font-family: var(--font-display); font-size: 1.2rem; font-weight: 600; margin-bottom: 0.75rem; }
.step__desc { font-size: 0.9rem; color: var(--fg-muted); line-height: 1.65; }

/* ===== FIGURES ===== */
.figures { background: var(--bg); }
.figures__inner { max-width: 1200px; margin: 0 auto; }
.figures__headline { font-family: var(--font-display); font-size: clamp(1.8rem, 3vw, 2.6rem); font-weight: 600; line-height: 1.2; max-width: 600px; margin-bottom: 3.5rem; }
.figures__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.25rem; }
.figure-card { background: var(--bg-alt); border: 1px solid var(--border); border-radius: 4px; padding: 1.25rem; }
.figure-card__dots { font-size: 1.4rem; letter-spacing: 0.15em; color: var(--accent); margin-bottom: 0.6rem; }
.figure-card__name { font-family: var(--font-display); font-size: 1.1rem; font-weight: 600; margin-bottom: 0.15rem; }
.figure-card__latin { font-family: var(--font-display); font-style: italic; font-size: 0.8rem; color: var(--fg-muted); margin-bottom: 0.5rem; }
.figure-card__nature { font-size: 0.7rem; font-weight: 500; letter-spacing: 0.06em; text-transform: uppercase; padding: 0.2rem 0.5rem; border-radius: 2px; display: inline-block; margin-bottom: 0.75rem; }
.nature--good { background: #E8F2E9; color: var(--good); }
.nature--bad { background: #F2E8E8; color: var(--bad); }
.nature--neutral { background: #EEF0F5; color: var(--neutral); }
.nature--mixed { background: #F5EEE8; color: #8B5A2B; }
.figure-card__meaning { font-size: 0.82rem; color: var(--fg-muted); line-height: 1.55; }

/* ===== DIFFERENCE ===== */
.difference { background: var(--fg); color: var(--bg); }
.difference .section-label { color: #C8A882; }
.difference__headline { font-family: var(--font-display); font-size: clamp(1.8rem, 3vw, 2.6rem); font-weight: 600; line-height: 1.2; max-width: 560px; margin-bottom: 3rem; }
.diff-table { max-width: 720px; border-collapse: collapse; margin-bottom: 2.5rem; }
.diff-table__header { border-bottom: 1px solid rgba(255,255,255,0.15); }
.diff-table__col { padding: 0.75rem 1rem; font-family: var(--font-display); font-size: 0.95rem; font-weight: 600; text-align: center; color: rgba(245,240,232,0.5); }
.diff-table__col--feature { text-align: left; }
.diff-table__col--active { color: #C8A882; }
.diff-table__row { border-bottom: 1px solid rgba(255,255,255,0.07); }
.diff-table__feature { padding: 0.9rem 1rem; font-size: 0.88rem; color: rgba(245,240,232,0.7); }
.diff-table__cell { padding: 0.9rem 1rem; font-size: 0.85rem; text-align: center; color: rgba(245,240,232,0.45); }
.diff-table__cell--active { color: #C8A882; font-weight: 500; }
.diff-table__row:nth-child(even) .diff-table__cell,
.diff-table__row:nth-child(even) .diff-table__feature { background: rgba(255,255,255,0.03); }
.difference__note { font-size: 0.9rem; color: rgba(245,240,232,0.55); max-width: 580px; line-height: 1.7; }

/* ===== CLOSING ===== */
.closing { background: var(--bg-alt); border-top: 1px solid var(--border); }
.closing__inner { max-width: 800px; margin: 0 auto; text-align: center; }
.closing__quote { font-family: var(--font-display); font-size: clamp(1.3rem, 2.2vw, 1.9rem); font-style: italic; font-weight: 400; line-height: 1.4; color: var(--fg); margin-bottom: 1rem; }
.closing__attr { font-size: 0.8rem; color: var(--fg-muted); margin-bottom: 3rem; font-family: var(--font-display); font-style: italic; }
.closing__divider { width: 60px; height: 1px; background: var(--accent); margin: 0 auto 3rem; }
.closing__body { font-size: 0.95rem; color: var(--fg-muted); max-width: 560px; margin: 0 auto 3rem; line-height: 1.75; }
.closing__sigla { font-size: 0.85rem; letter-spacing: 0.4em; color: var(--accent); }

/* ===== FOOTER ===== */
.footer { background: var(--fg); color: var(--bg); padding: 4rem 2rem; }
.footer__inner { max-width: 1100px; margin: 0 auto; }
.footer__brand { display: flex; align-items: center; gap: 0.5rem; margin-bottom: 1.25rem; }
.footer__logo { color: var(--accent); }
.footer__name { font-family: var(--font-display); font-size: 1.3rem; font-weight: 600; }
.footer__note { font-size: 0.85rem; color: rgba(245,240,232,0.5); max-width: 440px; line-height: 1.65; margin-bottom: 2rem; }
.footer__nav { display: flex; gap: 1.5rem; flex-wrap: wrap; }
.footer__link { font-size: 0.82rem; color: rgba(245,240,232,0.6); text-decoration: none; transition: color 0.2s; }
.footer__link:hover { color: var(--accent); }

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .figures__grid { grid-template-columns: repeat(3, 1fr); }
  .method__steps { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .hero { grid-template-columns: 1fr; padding: 7rem 1.5rem 3rem; gap: 2.5rem; }
  .hero__right { order: -1; }
  .ecu-grid { max-width: 320px; margin: 0 auto; }
  section { padding: 3.5rem 1.5rem; }
  .figures__grid { grid-template-columns: repeat(2, 1fr); gap: 1rem; }
  .method__steps { grid-template-columns: 1fr; }
  .diff-table { font-size: 0.85rem; }
  .nav { padding: 1rem 1.25rem; }
}
@media (max-width: 480px) {
  .figures__grid { grid-template-columns: 1fr; }
  .diff-table__col:not(.diff-table__col--feature) { padding: 0.65rem 0.5rem; font-size: 0.8rem; }
  .hero__headline { font-size: 2.5rem; }
}