/* ==========================================================================
   Evofit · base compartilhada (tokens, reset, tipografia, botões, atmosfera)
   Fonte de verdade das cores: DESIGN.md (OKLCH, neutros puxados pro oliva)
   ========================================================================== */

:root {
  color-scheme: dark;

  /* Cores — paleta EVOFIT rosa (ver logo/Apresentação de Identidade EVOFIT.png).
     Neutros puxados pro mesmo matiz (hue 7) pra combinar com o acento da marca. */
  --bg: oklch(0.165 0.008 7);
  --bg-2: oklch(0.195 0.010 7);
  --surface: oklch(0.225 0.012 7);
  --surface-2: oklch(0.265 0.014 7);
  --line: oklch(0.33 0.014 7);
  --line-soft: oklch(0.33 0.014 7 / 0.6);
  --muted: oklch(0.68 0.016 7);
  --text-2: oklch(0.82 0.014 7);
  --text: oklch(0.945 0.018 7);
  --olive: oklch(0.572 0.127 7);
  --olive-deep: oklch(0.446 0.105 7);
  --olive-night: oklch(0.294 0.077 7);
  --sage: oklch(0.727 0.106 7);
  --sage-hi: oklch(0.863 0.053 7);
  --ochre: oklch(0.78 0.115 78);
  --terra: oklch(0.64 0.13 38);
  --on-sage: oklch(0.203 0.039 7);
  --whatsapp: oklch(0.77 0.17 152);

  /* Tipografia */
  --font: 'Montserrat', ui-sans-serif, system-ui, -apple-system, 'Segoe UI', sans-serif;
  --fs-display: clamp(2.35rem, 1.2rem + 4.6vw, 4.75rem);
  --fs-headline: clamp(1.6rem, 1.15rem + 1.7vw, 2.45rem);
  --fs-h3: clamp(1.25rem, 1.1rem + 0.6vw, 1.5rem);
  --fs-lead: clamp(1.02rem, 0.96rem + 0.3vw, 1.2rem);
  --fs-body: 1rem;
  --fs-small: 0.875rem;
  --fs-label: 0.75rem;

  /* Forma e espaço */
  --r-sm: 10px;
  --r-md: 16px;
  --r-lg: 24px;
  --r-xl: 32px;
  --r-pill: 999px;
  --gutter: clamp(16px, 4vw, 40px);

  /* Movimento */
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in: cubic-bezier(0.7, 0, 0.84, 0);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
  --t-fast: 150ms;
  --t-base: 260ms;
  --t-slow: 480ms;
  --t-enter: 720ms;

  /* Elevação */
  --shadow-float: 0 24px 60px -24px oklch(0.05 0.01 7 / 0.7);
  --glow-sage: 0 10px 40px -12px oklch(0.727 0.106 7 / 0.55);
  --ring-sage: 0 0 0 4px oklch(0.727 0.106 7 / 0.25);
}

/* Reset enxuto */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }
body {
  min-height: 100dvh;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: var(--fs-body);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overflow-x: clip;
}
/* Nada pode deixar a página mais larga que a tela (no celular isso "solta" a página de lado).
   clip não cria área de rolagem, então elementos sticky continuam funcionando. */
html { overflow-x: clip; }
@supports not (overflow-x: clip) { html, body { overflow-x: hidden; } }
img, svg, video { display: block; max-width: 100%; }
[hidden] { display: none !important; }
img { height: auto; }
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; background: none; border: 0; padding: 0; }
a { color: inherit; }
h1, h2, h3, h4 { font-weight: 700; line-height: 1.1; letter-spacing: -0.02em; text-wrap: balance; }
p { text-wrap: pretty; }
::selection { background: oklch(0.727 0.106 7 / 0.35); color: var(--text); }
:focus-visible { outline: 2px solid var(--sage); outline-offset: 3px; border-radius: 6px; }

.sr-only {
  position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
.skip-link {
  position: absolute; left: 12px; top: -60px; z-index: 100;
  padding: 10px 16px; border-radius: var(--r-pill); background: var(--sage); color: var(--on-sage);
  font-weight: 600; text-decoration: none; transition: top var(--t-base) var(--ease-out);
}
.skip-link:focus { top: 12px; }

/* Ícones do sprite */
.ico { width: 1.25em; height: 1.25em; flex: none; fill: currentColor; }

/* Marca */
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--text); text-decoration: none; }
.brand__logo { height: 34px; width: auto; display: block; }

/* Rótulo curto em caixa alta (uso pontual) */
.kicker {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: var(--fs-label); font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--sage);
}
.kicker .ico { width: 16px; height: 16px; }

/* ---------- Botões ---------- */
.btn {
  --btn-bg: var(--sage);
  position: relative; isolation: isolate; overflow: hidden;
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  min-height: 58px; padding: 16px 28px; border-radius: var(--r-pill);
  background: var(--btn-bg); color: var(--on-sage);
  font-weight: 600; font-size: 1rem; letter-spacing: 0.005em; text-decoration: none; text-align: center;
  box-shadow: var(--glow-sage);
  transition: background-color var(--t-base) var(--ease-out), box-shadow var(--t-base) var(--ease-out),
    transform var(--t-fast) var(--ease-out), opacity var(--t-base) var(--ease-out);
  -webkit-tap-highlight-color: transparent;
}
.btn .ico { width: 20px; height: 20px; transition: transform var(--t-base) var(--ease-out); }
.btn::after { /* brilho que atravessa o botão de tempos em tempos */
  content: ''; position: absolute; inset: 0 auto 0 -60%; width: 45%; z-index: -1;
  background: linear-gradient(100deg, transparent, oklch(1 0 0 / 0.35), transparent);
  transform: skewX(-18deg) translateX(0); opacity: 0;
}
.btn--shine::after { animation: shine 5.5s var(--ease-in-out) 2.2s infinite; }
@keyframes shine {
  0%, 72% { transform: skewX(-18deg) translateX(0); opacity: 0; }
  76% { opacity: 1; }
  100% { transform: skewX(-18deg) translateX(420%); opacity: 0; }
}
@media (hover: hover) {
  .btn:hover { --btn-bg: var(--sage-hi); box-shadow: 0 14px 44px -12px oklch(0.863 0.053 7 / 0.6); }
  .btn:hover .ico-go { transform: translateX(4px); }
}
.btn:active { transform: scale(0.97); }
.btn:focus-visible { outline: none; box-shadow: var(--ring-sage), var(--glow-sage); }
.btn:disabled, .btn[aria-disabled='true'] { opacity: 0.35; box-shadow: none; cursor: not-allowed; transform: none; }
.btn--block { width: 100%; }
.btn--ghost {
  --btn-bg: transparent; color: var(--text); box-shadow: none;
  border: 1px solid oklch(0.945 0.018 7 / 0.28);
}
@media (hover: hover) { .btn--ghost:hover { --btn-bg: oklch(0.945 0.018 7 / 0.06); box-shadow: none; } }
.btn.is-loading { pointer-events: none; }
.btn.is-loading .btn__label { opacity: 0; }
.btn.is-loading::before {
  content: ''; position: absolute; width: 22px; height: 22px; border-radius: 50%;
  border: 2.5px solid oklch(0.203 0.039 7 / 0.25); border-top-color: var(--on-sage);
  animation: spin 700ms linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* Botão circular de ícone */
.icon-btn {
  display: inline-grid; place-items: center; width: 44px; height: 44px; border-radius: 50%;
  color: var(--text-2); border: 1px solid var(--line-soft);
  transition: color var(--t-fast) var(--ease-out), border-color var(--t-fast) var(--ease-out), transform var(--t-fast) var(--ease-out);
}
.icon-btn .ico { width: 20px; height: 20px; }
@media (hover: hover) { .icon-btn:hover { color: var(--text); border-color: var(--line); } }
.icon-btn:active { transform: scale(0.94); }

/* ---------- Atmosfera ---------- */
.atmosphere { position: fixed; inset: 0; z-index: -1; pointer-events: none; overflow: hidden; }
.atmosphere::before, .atmosphere::after {
  content: ''; position: absolute; border-radius: 50%;
  width: min(90vmax, 1500px); height: min(90vmax, 1500px); opacity: 0.55;
  will-change: transform;
}
.atmosphere::before {
  left: -35vmax; top: -45vmax;
  background: radial-gradient(closest-side, oklch(0.446 0.105 7 / 0.55), transparent 70%);
  animation: drift-a 26s var(--ease-in-out) infinite alternate;
}
.atmosphere::after {
  right: -40vmax; bottom: -50vmax;
  background: radial-gradient(closest-side, oklch(0.572 0.127 7 / 0.28), transparent 70%);
  animation: drift-b 32s var(--ease-in-out) infinite alternate;
}
@keyframes drift-a { to { transform: translate(12vmax, 10vmax) scale(1.12); } }
@keyframes drift-b { to { transform: translate(-10vmax, -8vmax) scale(0.92); } }

.grain {
  position: fixed; inset: -50%; z-index: 90; pointer-events: none; opacity: 0.07;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 0 0 0 .55 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
@media (pointer: fine) { .grain { animation: grain 900ms steps(6) infinite; } }
@keyframes grain {
  0% { transform: translate(0, 0); } 20% { transform: translate(-3%, 2%); } 40% { transform: translate(2%, -3%); }
  60% { transform: translate(-2%, -1%); } 80% { transform: translate(3%, 3%); } 100% { transform: translate(0, 0); }
}

/* Revelação ao rolar (ativada pelo JS com IntersectionObserver) */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity var(--t-enter) var(--ease-out), transform var(--t-enter) var(--ease-out); transition-delay: calc(var(--i, 0) * 80ms); }
.reveal.is-in { opacity: 1; transform: none; }
.no-js .reveal { opacity: 1; transform: none; }

/* Linha da marca: curvas que "fluem" (motivo do tile "Evolua com você") */
.flow-lines path { fill: none; stroke-width: 1.2; stroke-linecap: round; stroke-dasharray: 6 14; animation: flow 18s linear infinite; }
@keyframes flow { to { stroke-dashoffset: -400; } }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .reveal { opacity: 1; transform: none; }
}