/* Marcus Calheiros — tokens, fundos e botões.
   Adicione este arquivo ao projeto e mantenha a referência a assets/chemistry-pattern.svg. */

:root {
  --mc-green: #5dbf54;
  --mc-green-bright: #79d66e;
  --mc-green-deep: #278443;
  --mc-ink: #0d1510;
  --mc-ink-soft: #314038;
  --mc-mist: #f4fbf3;
  --mc-line: rgba(35, 91, 53, 0.16);
  --mc-white: #ffffff;
  --mc-shadow-green: 0 18px 34px rgba(57, 171, 76, 0.25);
  --mc-shadow-deep: 0 18px 50px rgba(8, 33, 17, 0.18);
  --mc-radius-pill: 999px;
  --mc-radius-card: 28px;
  --mc-ease: cubic-bezier(.22, .9, .28, 1);
}

.mc-hero-surface {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  color: var(--mc-white);
  background:
    radial-gradient(circle at 12% 8%, rgba(121, 214, 110, .22), transparent 26rem),
    radial-gradient(circle at 88% 87%, rgba(93, 191, 84, .16), transparent 22rem),
    linear-gradient(137deg, #0a140e 0%, #112719 54%, #12321d 100%);
}

.mc-hero-surface::before {
  content: "";
  position: absolute;
  z-index: -1;
  inset: 0;
  pointer-events: none;
  background: url("../assets/chemistry-pattern.svg") right -8rem top -3rem / min(64rem, 96%) auto no-repeat;
  opacity: .76;
  mix-blend-mode: screen;
}

.mc-section-surface {
  position: relative;
  overflow: hidden;
  background:
    linear-gradient(rgba(255, 255, 255, .94), rgba(255, 255, 255, .98)),
    url("../assets/chemistry-pattern.svg") right -21rem bottom -17rem / 48rem auto no-repeat;
}

.mc-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: .55rem;
  padding: .55rem .8rem;
  border: 1px solid rgba(121, 214, 110, .32);
  border-radius: var(--mc-radius-pill);
  color: var(--mc-green-bright);
  background: rgba(93, 191, 84, .1);
  font-size: .75rem;
  font-weight: 800;
  letter-spacing: .11em;
  text-transform: uppercase;
}

.mc-eyebrow::before {
  content: "";
  width: .46rem;
  height: .46rem;
  border-radius: 50%;
  background: currentColor;
  box-shadow: 0 0 0 .3rem rgba(121, 214, 110, .12);
}

.mc-btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .7rem;
  min-height: 3.35rem;
  padding: .9rem 1.24rem;
  overflow: hidden;
  border: 1px solid transparent;
  border-radius: var(--mc-radius-pill);
  font: inherit;
  font-size: .95rem;
  font-weight: 800;
  line-height: 1;
  letter-spacing: -.01em;
  text-decoration: none;
  cursor: pointer;
  transform: translateZ(0);
  transition: transform .28s var(--mc-ease), box-shadow .28s var(--mc-ease), color .28s var(--mc-ease), background .28s var(--mc-ease), border-color .28s var(--mc-ease);
}

.mc-btn::after {
  content: "";
  position: absolute;
  top: -85%;
  left: -36%;
  width: 34%;
  height: 280%;
  pointer-events: none;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, .68), transparent);
  transform: rotate(24deg) translateX(-360%);
  transition: transform .72s var(--mc-ease);
}

.mc-btn:hover { transform: translateY(-3px); }
.mc-btn:hover::after { transform: rotate(24deg) translateX(760%); }
.mc-btn:active { transform: translateY(-1px) scale(.985); }
.mc-btn:focus-visible { outline: 3px solid rgba(121, 214, 110, .72); outline-offset: 4px; }

.mc-btn--primary {
  color: #0a160d;
  background: linear-gradient(135deg, var(--mc-green-bright), var(--mc-green));
  box-shadow: 0 12px 0 rgba(41, 128, 67, .46), var(--mc-shadow-green);
}

.mc-btn--primary:hover { box-shadow: 0 14px 0 rgba(41, 128, 67, .36), 0 22px 42px rgba(57, 171, 76, .34); }
.mc-btn--primary:active { box-shadow: 0 7px 0 rgba(41, 128, 67, .42), 0 12px 22px rgba(57, 171, 76, .2); }

.mc-btn--outline {
  color: var(--mc-white);
  border-color: rgba(255, 255, 255, .42);
  background: rgba(255, 255, 255, .06);
  backdrop-filter: blur(10px);
}

.mc-btn--outline:hover { color: var(--mc-ink); border-color: var(--mc-white); background: var(--mc-white); box-shadow: 0 18px 34px rgba(0, 0, 0, .16); }

.mc-btn--soft {
  color: var(--mc-green-deep);
  border-color: rgba(93, 191, 84, .32);
  background: var(--mc-mist);
}

.mc-btn--soft:hover { border-color: var(--mc-green); background: #e7f8e5; box-shadow: 0 14px 26px rgba(39, 132, 67, .15); }

.mc-btn__arrow { display: grid; width: 1.25rem; height: 1.25rem; place-items: center; transition: transform .28s var(--mc-ease); }
.mc-btn:hover .mc-btn__arrow { transform: translateX(.22rem); }

.mc-molecule-card {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--mc-line);
  border-radius: var(--mc-radius-card);
  background: rgba(255, 255, 255, .92);
  box-shadow: var(--mc-shadow-deep);
}

.mc-molecule-card::before {
  content: "";
  position: absolute;
  width: 14rem;
  aspect-ratio: 1;
  top: -7rem;
  right: -7rem;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(121, 214, 110, .45), rgba(121, 214, 110, 0) 67%);
}

.mc-whatsapp-float {
  position: fixed;
  right: max(1rem, env(safe-area-inset-right));
  bottom: max(1rem, env(safe-area-inset-bottom));
  z-index: 30;
  display: inline-grid;
  width: 3.85rem;
  height: 3.85rem;
  place-items: center;
  border: 0;
  border-radius: 50%;
  color: #fff;
  background: linear-gradient(145deg, #35d968, #1ca64d);
  box-shadow: 0 10px 0 #13763b, 0 20px 35px rgba(10, 96, 42, .32);
  text-decoration: none;
  transition: transform .25s var(--mc-ease), box-shadow .25s var(--mc-ease);
  animation: mc-whatsapp-breathe 3s ease-in-out infinite;
}

.mc-whatsapp-float::before {
  content: "";
  position: absolute;
  inset: -.45rem;
  z-index: -1;
  border: 1px solid rgba(67, 224, 113, .48);
  border-radius: inherit;
  animation: mc-whatsapp-pulse 2.3s ease-out infinite;
}

.mc-whatsapp-float:hover { transform: translateY(-5px) rotate(-3deg); box-shadow: 0 13px 0 #13763b, 0 28px 46px rgba(10, 96, 42, .4); }
.mc-whatsapp-float:focus-visible { outline: 3px solid var(--mc-green-bright); outline-offset: 4px; }
.mc-whatsapp-float svg { width: 1.7rem; height: 1.7rem; }

@keyframes mc-whatsapp-breathe { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-2px); } }
@keyframes mc-whatsapp-pulse { 0% { transform: scale(.82); opacity: .72; } 75%, 100% { transform: scale(1.28); opacity: 0; } }

@media (max-width: 42rem) {
  .mc-hero-surface::before { background-position: right -18rem top -2rem; background-size: 44rem auto; opacity: .55; }
  .mc-btn { width: 100%; }
  .mc-whatsapp-float { width: 3.5rem; height: 3.5rem; }
}

@media (prefers-reduced-motion: reduce) {
  .mc-btn, .mc-btn__arrow, .mc-whatsapp-float { transition: none; }
  .mc-btn::after, .mc-whatsapp-float, .mc-whatsapp-float::before { animation: none; }
}

/* Integração com a landing page existente */
:root {
  --paper: var(--mc-mist);
  --ink: var(--mc-ink);
  --ink-soft: var(--mc-ink-soft);
  --green: var(--mc-green);
  --green-deep: var(--mc-green-deep);
  --green-soft: #e6f7e4;
  --line: var(--mc-line);
  --shadow: 0 20px 48px rgba(8, 33, 17, .16);
}

.site-header:not(.is-scrolled) .wordmark,
.site-header:not(.is-scrolled) .wordmark small,
.site-header:not(.is-scrolled) .site-nav > a:not(.mc-btn) { color: var(--mc-white); }
.site-header:not(.is-scrolled) .wordmark strong { color: var(--mc-green-bright); }
.site-header:not(.is-scrolled) .menu-toggle span:not(.sr-only) { background: var(--mc-white); }
.site-header.is-scrolled .site-nav > a:not(.mc-btn) { color: var(--mc-ink-soft); }
.site-header.is-scrolled .wordmark { color: var(--mc-ink); }
.site-nav > a.mc-btn { color: #0a160d; letter-spacing: -.01em; text-transform: none; }
.header-cta { min-height: 2.6rem; padding: .7rem .95rem; font-size: .72rem; white-space: nowrap; }
.header-cta .mc-btn__arrow { width: 1rem; height: 1rem; }

.hero.mc-hero-surface { background: linear-gradient(137deg, #071109 0%, #102819 55%, #12331e 100%); }
.hero.mc-hero-surface::before {
  background: url("../assets/chemistry-pattern.svg") right -10rem top -2rem / min(64rem, 92%) auto no-repeat;
  mask-image: none;
  opacity: .7;
}
.hero .mc-eyebrow { margin-bottom: 1.35rem; }
.hero .mc-btn { font-size: .86rem; }
.hero-visual { isolation: isolate; }
.hero-photo { border: 1px solid rgba(121, 214, 110, .26); border-radius: 1.5rem; bottom: 0; box-shadow: 0 25px 50px rgba(0, 0, 0, .2); left: 12%; margin: 0; overflow: hidden; position: absolute; right: 0; top: 9%; z-index: 1; }
.hero-photo img { display: block; height: 100%; object-fit: cover; object-position: 50% 43%; width: 100%; }

.focus-grid { border-top: 0; gap: 1rem; }
.focus-item,
.focus-item:nth-child(odd),
.focus-item:nth-child(even) { border: 1px solid var(--mc-line); border-radius: var(--mc-radius-card); min-height: 270px; padding: 1.55rem 4.3rem 1.55rem 1.55rem; }
.focus-item:hover { box-shadow: 0 25px 48px rgba(8, 33, 17, .14); transform: translateY(-5px); }
.focus-item:hover h3 { color: var(--mc-green-deep); transform: translateX(0); }
.focus-item:after { background: linear-gradient(90deg, var(--mc-green-deep), var(--mc-green-bright)); height: 4px; }
.focus-item b { align-items: center; background: var(--mc-mist); border: 1px solid rgba(93, 191, 84, .3); border-radius: 50%; color: var(--mc-green-deep); display: inline-flex; font-size: 1rem; height: 2.35rem; justify-content: center; right: 1.35rem; transition: background .25s var(--mc-ease), color .25s var(--mc-ease), transform .25s var(--mc-ease); width: 2.35rem; }
.focus-item:hover b { background: var(--mc-green); color: var(--mc-ink); transform: rotate(-8deg); }

.method-section > .container,
.plan-grid { position: relative; }
.method-molecular-mark { opacity: .32; pointer-events: none; position: absolute; right: -4rem; top: -1.5rem; transform: rotate(-7deg); width: min(48%, 34rem); }
.method-intro,
.method-list,
.method-section .text-link { position: relative; z-index: 1; }
.method-step { transition: border-color .25s var(--mc-ease), padding-left .25s var(--mc-ease); }
.method-step:hover { border-color: rgba(121, 214, 110, .78); padding-left: .7rem; }
.method-step:hover > span { color: var(--mc-green-bright); }

.plan-section { overflow: hidden; position: relative; }
.plan-molecular-mark { bottom: -7.5rem; opacity: .3; pointer-events: none; position: absolute; right: -9rem; transform: rotate(8deg); width: min(62%, 42rem); }
.plan-copy,
.plan-points { position: relative; z-index: 1; }
.plan-points { background: rgba(255, 255, 255, .46); border: 1px solid rgba(39, 132, 67, .18); border-radius: var(--mc-radius-card); padding: .3rem 1.45rem; }
.plan-points li:last-child { border-bottom: 0; }

.results-section.mc-section-surface,
.about-section.mc-section-surface { border-top: 1px solid rgba(39, 132, 67, .09); }
.proof-card { border-radius: var(--mc-radius-card); }
.proof-card:hover { box-shadow: 0 22px 46px rgba(8, 33, 17, .14); transform: translateY(-4px); }
.proof-card { transition: box-shadow .25s var(--mc-ease), transform .25s var(--mc-ease); }
.proof-placeholder { border-radius: 1.15rem; overflow: hidden; }
.about-portrait { aspect-ratio: 2 / 3; border-radius: var(--mc-radius-card); box-shadow: var(--mc-shadow-deep); min-height: 0; padding: 0; }
.about-portrait::before { display: none; }
.about-portrait img { display: block; height: 100%; object-fit: cover; object-position: center; width: 100%; }
.reel-card { border: 1px solid rgba(39, 132, 67, .12); border-radius: var(--mc-radius-card); box-shadow: 0 12px 28px rgba(8, 33, 17, .08); }
.reel-card:hover { box-shadow: 0 22px 42px rgba(8, 33, 17, .18); transform: translateY(-7px) rotate(-.35deg); }
.reel-embed { background: var(--mc-mist); min-height: 0; padding: .75rem; }
.reel-embed::after { display: none; }
.reel-embed__meta { align-items: center; display: flex; gap: .65rem; justify-content: space-between; padding: .35rem .3rem .8rem; }
.reel-embed__meta > span { color: var(--mc-green-deep); font-family: "DM Mono", monospace; font-size: .68rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.reel-embed__meta a { color: var(--mc-ink-soft); font-size: .67rem; font-weight: 800; letter-spacing: .02em; text-decoration: none; }
.reel-embed__meta a:hover { color: var(--mc-green-deep); }
.reel-embed__frame { aspect-ratio: 9 / 16; background: var(--mc-ink); border-radius: calc(var(--mc-radius-card) - .55rem); overflow: hidden; position: relative; }
.reel-embed__frame iframe { border: 0; height: 100%; inset: 0; position: absolute; width: 100%; }

.final-cta { background: linear-gradient(125deg, #5dbf54, #79d66e); overflow: hidden; position: relative; }
.final-cta::before { background: url("../assets/chemistry-pattern.svg") right -15rem bottom -21rem / 50rem auto no-repeat; content: ""; inset: 0; opacity: .38; pointer-events: none; position: absolute; }
.final-cta-inner { position: relative; z-index: 1; }
.final-cta .mc-eyebrow { background: rgba(13, 21, 16, .1); border-color: rgba(13, 21, 16, .18); color: var(--mc-ink); }
.final-cta-btn { color: var(--mc-ink); border-color: rgba(13, 21, 16, .4); background: rgba(255, 255, 255, .25); }
.final-cta-btn:hover { background: var(--mc-ink); border-color: var(--mc-ink); color: var(--mc-white); }

.mc-whatsapp-float { bottom: 1.45rem; right: 1.45rem; z-index: 60; }

@media (max-width: 760px) {
  body { padding-bottom: 0; }
  .site-header:not(.is-scrolled) .site-nav > a:not(.mc-btn) { color: var(--mc-ink-soft); }
  .site-nav .header-cta { margin-top: 1rem; }
  .header-cta { font-size: .84rem; }
  .hero-photo { left: 7%; top: 5%; }
  .focus-grid { gap: .85rem; }
  .focus-item,
  .focus-item:nth-child(odd),
  .focus-item:nth-child(even) { min-height: 205px; padding: 1.35rem 3.8rem 1.35rem 1.35rem; }
  .method-molecular-mark { right: -5.8rem; top: 1.4rem; width: 86%; }
  .plan-molecular-mark { bottom: -3rem; right: -14rem; width: 112%; }
  .plan-points { padding-inline: 1rem; }
  .about-portrait { aspect-ratio: 4 / 5; max-height: 580px; }
  .reels-grid { grid-template-columns: 1fr; gap: 1rem; margin-inline: auto; max-width: 390px; }
  .reel-card { min-height: 0; padding: .65rem; }
  .reel-embed__meta { padding: .35rem .25rem .7rem; }
  .mc-whatsapp-float { bottom: max(1.1rem, env(safe-area-inset-bottom)); right: max(1rem, env(safe-area-inset-right)); }
}