/* ============================================================
   BIO-LINK COSTURAGI · MAIN.CSS · V2
   Pinterest editorial · mineira atelier · Curadora archetype
   2026-05-02 · design-squad ui-engineer
   ============================================================ */

/* ── RESET ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-sans);
  color: var(--c-graphite);
  background: var(--c-ivory);
  line-height: 1.5;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }

/* ── BACKGROUND · subtle bege-sertão hint ── */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background: radial-gradient(ellipse at top, rgba(232, 223, 208, 0.4) 0%, transparent 60%);
  pointer-events: none;
  z-index: -1;
}

/* ── BACKGROUND · grain 35mm 4% opacity ── */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  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='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='1'/%3E%3C/svg%3E");
  opacity: 0.04;
  mix-blend-mode: multiply;
}

/* ── SKIP LINK · WCAG 2.4.1 ── */
.skip-link {
  position: absolute; top: -100px; left: 8px;
  background: var(--c-cobre); color: var(--c-ivory);
  padding: 12px 20px; border-radius: 4px; font-weight: 600;
  z-index: var(--z-skip-link); transition: top 200ms;
}
.skip-link:focus-visible { top: 8px; outline: var(--ring); outline-offset: var(--ring-offset); }

/* ── CONTAINER · 640px max Pinterest narrow ── */
.container {
  max-width: 640px;
  margin: 0 auto;
  padding: 0 var(--container-pad-mobile, 1.5rem);
  position: relative;
  z-index: 1;
}
@media (min-width: 768px) {
  .container { padding: 0 2rem; }
}

/* ─────────── ATO I · HERO ─────────── */

.hero {
  padding: clamp(3rem, 8vw, 6rem) 0 clamp(2rem, 6vw, 4rem);
  text-align: center;
  position: relative;
}

.hero__photo-frame {
  width: clamp(140px, 22vw, 180px);
  height: clamp(140px, 22vw, 180px);
  margin: 0 auto 2rem;
  border-radius: 50%;
  border: 2px solid var(--c-cobre);
  padding: 4px;
  background: var(--c-ivory-warm);
  box-shadow: 0 6px 20px rgba(196, 149, 106, 0.20);
  overflow: hidden;
  position: relative;
  transform: translateZ(0); /* GPU layer · parallax-ready */
}
.hero__photo {
  width: 100%; height: 100%;
  border-radius: 50%;
  object-fit: cover;
  object-position: center top;
  filter: contrast(1.02) saturate(0.95);
}

.hero__line {
  width: 60px;
  height: 1.5px;
  background: var(--c-cobre);
  margin: 1rem auto 1.5rem;
  opacity: 0;
  transform: scaleX(0);
  transform-origin: center;
  transition: opacity 600ms 200ms var(--ease-soft, ease-out),
              transform 1200ms 200ms var(--ease-soft, ease-out);
}
.hero.in-view .hero__line {
  opacity: 1;
  transform: scaleX(1);
}

.hero__headline {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(2.25rem, 4vw + 1rem, 4rem);
  line-height: 1.1;
  color: var(--c-midnight);
  margin-bottom: 1rem;
  letter-spacing: -0.01em;
  text-wrap: balance;
}

.hero__subhead {
  font-family: var(--font-sans);
  font-style: italic;
  font-size: clamp(0.9375rem, 1vw + 0.75rem, 1.0625rem);
  line-height: 1.5;
  color: var(--c-midnight);
  opacity: 0.72;
  max-width: 420px;
  margin: 0 auto;
  text-wrap: balance;
}

/* ─────────── ATO II · MANIFESTO ─────────── */

.manifesto {
  padding: clamp(3rem, 7vw, 6rem) 0 clamp(2rem, 5vw, 4rem);
}

.manifesto__block {
  max-width: 540px;
  margin: 0 auto;
  padding: 2rem 1rem;
  position: relative;
  text-align: center;
}

.manifesto__quote {
  font-family: var(--font-script);
  font-size: 60px;
  color: var(--c-cobre);
  opacity: 0.16;
  position: absolute;
  user-select: none;
  pointer-events: none;
  line-height: 1;
}
.manifesto__quote--top { top: -10px; left: 0; }
.manifesto__quote--bottom { bottom: -30px; right: 0; transform: rotate(180deg); }

.manifesto__text {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 500;
  font-size: clamp(1.125rem, 1.5vw + 0.75rem, 1.5rem);
  line-height: 1.5;
  color: var(--c-midnight);
  margin: 1rem 0;
  text-wrap: balance;
}

/* ─────────── DECORATIVE LINE between sections ─────────── */

.divider-line {
  width: 80px;
  height: 1.5px;
  background: var(--c-cobre);
  margin: 0 auto;
  opacity: 0;
  transform: scaleX(0);
  transition: opacity 600ms var(--ease-soft, ease-out),
              transform 1200ms var(--ease-soft, ease-out);
}
.divider-line.in-view {
  opacity: 0.6;
  transform: scaleX(1);
}

/* ─────────── ATO II · CARDS GRID ─────────── */

.cards-section {
  padding: clamp(2rem, 5vw, 4rem) 0;
}

.cards-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}
@media (min-width: 540px) {
  .cards-grid { grid-template-columns: repeat(2, 1fr); gap: 1.25rem; }
}

.card {
  position: relative;
  display: block;
  aspect-ratio: 4 / 5;
  background: var(--c-ivory-warm);
  border-radius: 4px;
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 600ms var(--ease-soft, ease-out),
              transform 600ms var(--ease-soft, ease-out),
              box-shadow 200ms var(--ease-soft, ease-out);
  box-shadow: 0 4px 12px rgba(196, 149, 106, 0.08);
}
.card.in-view { opacity: 1; transform: translateY(0); }

.card:hover, .card:focus-visible {
  box-shadow: 0 8px 24px hsla(var(--card-shadow-hue, 24, 60%, 36%), 0.18);
  outline: none;
}
.card:focus-visible {
  outline: 2px solid var(--c-cobre);
  outline-offset: 2px;
}

@media (hover: hover) {
  .card:hover { transform: translateY(0) scale(1.02); }
}

.card:active { transform: translateY(0) scale(0.98); }

.card__image-wrap {
  position: absolute;
  inset: 0;
  overflow: hidden;
}
.card__image {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 600ms var(--ease-soft, ease-out);
  filter: contrast(1.02) saturate(0.92);
}
@media (hover: hover) {
  .card:hover .card__image { transform: scale(1.04); }
}

.card__overlay {
  position: absolute;
  inset: auto 0 0 0;
  height: 60%;
  background: linear-gradient(to top, var(--c-ivory) 0%, var(--c-ivory-warm) 30%, transparent 90%);
  pointer-events: none;
}

.card__body {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  padding: 1.25rem;
  z-index: 2;
}

.card__title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.25rem, 2.5vw, 1.5rem);
  line-height: 1.2;
  color: var(--c-midnight);
  margin: 0 0 0.25rem;
  transition: color 200ms var(--ease-soft, ease-out);
}
@media (hover: hover) {
  .card:hover .card__title { color: var(--card-piping, var(--c-cobre)); }
}

.card__charada {
  font-family: var(--font-sans);
  font-style: italic;
  font-size: 0.875rem;
  color: var(--c-graphite);
  opacity: 0.65;
  margin: 0 0 0.875rem;
  line-height: 1.4;
}

.card__cta {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--card-piping, var(--c-cobre));
}
.card__arrow {
  width: 14px; height: 14px;
  transition: transform 200ms var(--ease-soft, ease-out);
}
@media (hover: hover) {
  .card:hover .card__arrow { transform: translateX(4px); }
}

/* ─────────── CARD FRANQUIA · banner separado sage-green ─────────── */

.franquia-section {
  padding: clamp(2rem, 5vw, 4rem) 0;
}

.card--franquia {
  display: grid;
  grid-template-columns: 1fr;
  background: var(--sage-soft, #E8EDE3);
  border-radius: 4px;
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 600ms var(--ease-soft, ease-out),
              transform 600ms var(--ease-soft, ease-out),
              box-shadow 300ms var(--ease-soft, ease-out);
  box-shadow: 0 6px 20px rgba(122, 139, 111, 0.12);
}
.card--franquia.in-view { opacity: 1; transform: translateY(0); }

@media (min-width: 600px) {
  .card--franquia { grid-template-columns: 5fr 4fr; }
}
.card--franquia:hover {
  box-shadow: 0 12px 32px rgba(122, 139, 111, 0.20);
}

.card--franquia .card__image-wrap {
  position: relative;
  inset: auto;
  aspect-ratio: 5 / 3;
}
.card--franquia .card__body {
  position: static;
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 0.5rem;
}
@media (min-width: 600px) {
  .card--franquia .card__body { padding: 2rem; }
}

.card__tag {
  font-family: var(--font-sans);
  font-size: 0.6875rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--c-sage-text, #5F7360);
  margin-bottom: 0.25rem;
}

.card--franquia .card__title {
  font-size: clamp(1.5rem, 2.5vw + 0.5rem, 2rem);
  margin-bottom: 0.5rem;
}
.card--franquia:hover .card__title { color: var(--c-midnight); }

.card__subhead {
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  line-height: 1.5;
  color: var(--c-graphite);
  opacity: 0.75;
  margin-bottom: 1.25rem;
}

.card__cta-button {
  display: inline-block;
  background: var(--c-sage, #7A8B6F);
  color: var(--c-ivory);
  padding: 0.75rem 1.5rem;
  border-radius: 2px;
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  width: fit-content;
  transition: background 200ms var(--ease-soft, ease-out);
}
.card--franquia:hover .card__cta-button {
  background: var(--sage-green-dark, #5D6E54);
}

/* ─────────── ATO III · DEPOIMENTO ÂNCORA ─────────── */

.testimonial-section {
  padding: clamp(2rem, 5vw, 4rem) 0;
}

.testimonial {
  max-width: 540px;
  margin: 0 auto;
  padding: 2rem 1.5rem;
  position: relative;
  text-align: center;
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 600ms var(--ease-soft, ease-out),
              transform 600ms var(--ease-soft, ease-out);
}
.testimonial.in-view { opacity: 1; transform: translateY(0); }

.testimonial__quote {
  font-family: var(--font-script);
  font-size: 80px;
  color: var(--c-cobre);
  opacity: 0.18;
  line-height: 0.5;
  margin-bottom: 0.5rem;
  user-select: none;
}

.testimonial__text {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 500;
  font-size: clamp(1.0625rem, 1.5vw + 0.75rem, 1.375rem);
  line-height: 1.5;
  color: var(--c-midnight);
  margin: 0 0 1rem;
  text-wrap: balance;
}

.testimonial__author {
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  color: var(--c-cobre);
  opacity: 0.85;
  letter-spacing: 0.05em;
}

/* ─────────── FOOTER ─────────── */

.footer {
  padding: clamp(3rem, 6vw, 4rem) 0 clamp(2rem, 4vw, 3rem);
  text-align: center;
}

.footer__ornament {
  display: flex;
  justify-content: center;
  gap: 1rem;
  opacity: 0.08;
  margin-bottom: 2rem;
  filter: invert(1);
}

.footer__social {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}

.footer__social-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px; height: 44px;
  border-radius: 50%;
  border: 1px solid rgba(196, 149, 106, 0.3);
  color: var(--c-cobre);
  transition: background 200ms var(--ease-soft, ease-out),
              color 200ms var(--ease-soft, ease-out),
              border-color 200ms var(--ease-soft, ease-out);
}
.footer__social-link:hover, .footer__social-link:focus-visible {
  background: var(--c-cobre);
  color: var(--c-ivory);
  border-color: var(--c-cobre);
  outline: none;
}
.footer__social-link svg { width: 20px; height: 20px; }

.footer__signature {
  font-family: var(--font-script);
  font-size: 1.75rem;
  color: var(--c-cobre);
  margin: 1rem 0;
  line-height: 1;
}

.footer__legal {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  color: var(--c-graphite);
  opacity: 0.55;
  letter-spacing: 0.05em;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1rem;
}
.footer__legal a { transition: color 200ms; }
.footer__legal a:hover { color: var(--c-cobre); opacity: 1; }
.footer__legal-sep { opacity: 0.4; }

/* ─────────── REDUCED MOTION ─────────── */

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .card, .card--franquia, .testimonial, .hero__line, .divider-line {
    opacity: 1 !important;
    transform: none !important;
  }
  .card:hover { transform: none !important; }
}

/* ─────────── STAGGER DELAYS ─────────── */
.cards-grid .card:nth-child(1) { transition-delay: 0ms, 0ms, 200ms; }
.cards-grid .card:nth-child(2) { transition-delay: 60ms, 60ms, 200ms; }
.cards-grid .card:nth-child(3) { transition-delay: 120ms, 120ms, 200ms; }
.cards-grid .card:nth-child(4) { transition-delay: 180ms, 180ms, 200ms; }
.cards-grid .card:nth-child(5) { transition-delay: 240ms, 240ms, 200ms; }
.cards-grid .card:nth-child(6) { transition-delay: 300ms, 300ms, 200ms; }