/* ============================================================
   Dra. Letícia Pitsch — CSS Principal
   ============================================================ */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600&display=swap');

:root {
  --brand-blue:       #2C3C4C;
  --brand-grey:       #B9B2AA;
  --brand-offwhite:   #E0DCD3;
  --brand-sand:       #D6BD9F;
  --brand-terracotta: #B56143;
  --brand-blue-900:   #1B2935;
  --brand-blue-700:   #2C3C4C;
  --brand-blue-500:   #4D6075;
  --brand-blue-300:   #8FA0B0;
  --brand-blue-100:   #DDE3E8;
  --brand-grey-700:   #8A847D;
  --brand-grey-500:   #B9B2AA;
  --brand-grey-300:   #D2CCC4;
  --brand-grey-100:   #ECE8E2;
  --brand-terracotta-700: #8E4A33;
  --brand-terracotta-500: #B56143;
  --brand-terracotta-300: #D38C70;
  --brand-sand-500:   #D6BD9F;
  --brand-sand-300:   #E5D4BC;
  --brand-sand-100:   #F2E8D8;
  --brand-cream:      #F6F2EC;
  --brand-paper:      #FBF8F3;
  --brand-ink:        #1B2935;
  --brand-ink-soft:   #4D6075;
  --bg-page:          var(--brand-cream);
  --bg-elevated:      var(--brand-paper);
  --fg-1:             var(--brand-ink);
  --fg-2:             var(--brand-ink-soft);
  --fg-3:             var(--brand-grey-700);
  --fg-on-blue:       var(--brand-offwhite);
  --border-subtle:    rgba(44,60,76,0.12);
  --border-soft:      rgba(44,60,76,0.18);
  --border-strong:    rgba(44,60,76,0.32);
  --accent:           var(--brand-terracotta);
  --font-display:     "Inter", -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body:        "Inter", -apple-system, BlinkMacSystemFont, sans-serif;
  --font-sans:        "Inter", -apple-system, BlinkMacSystemFont, sans-serif;
  --fs-hero:     clamp(40px, 5vw, 70px);
  --fs-display:  clamp(32px, 4vw, 56px);
  --fs-h1:       clamp(28px, 3.5vw, 48px);
  --fs-h2:       clamp(24px, 3vw, 40px);
  --fs-h3:       clamp(18px, 2vw, 24px);
  --fs-h4:       14px;
  --fs-body-lg:  18px;
  --fs-body:     16px;
  --fs-body-sm:  14px;
  --fs-meta:     11px;
  --r-sm:   4px;
  --r-md:   8px;
  --r-lg:   16px;
  --r-xl:   24px;
  --shadow-1: 0 1px 3px rgba(27,41,53,0.08), 0 1px 2px rgba(27,41,53,0.06);
  --shadow-2: 0 4px 12px rgba(27,41,53,0.10), 0 2px 4px rgba(27,41,53,0.06);
  --shadow-3: 0 10px 30px rgba(27,41,53,0.12);
  --dur-fast: 150ms;
  --dur-base: 240ms;
  --ease-out: cubic-bezier(0.2,0,0,1);
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:var(--brand-cream);
  color:var(--fg-1);
  font-family:var(--font-body);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  font-size:var(--fs-body);
  line-height:1.55;
}
body::before{
  content:"";
  position:fixed;inset:0;pointer-events:none;z-index:1;
  opacity:0.4;mix-blend-mode:multiply;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='180' height='180'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0.17 0 0 0 0 0.16 0 0 0 0 0.13 0 0 0 0.06 0'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
}
main,header,footer,nav{position:relative;z-index:2}
img{display:block;max-width:100%}
::selection{background:var(--brand-terracotta);color:var(--brand-cream)}
:focus{outline:none}
:focus-visible{outline:2px solid var(--brand-terracotta);outline-offset:3px;border-radius:var(--r-sm)}

/* Layout */
.container{max-width:1240px;margin:0 auto;padding:0 40px}
.container-wide{max-width:1360px;margin:0 auto;padding:0 40px}
.narrow{max-width:720px;margin:0 auto}
section{padding:120px 0}

/* Eyebrow */
.eyebrow{
  font-family:var(--font-sans);font-size:11px;font-weight:500;
  letter-spacing:0.28em;text-transform:uppercase;color:var(--fg-2);
  display:inline-flex;align-items:center;gap:14px;margin-bottom:20px;
}
.eyebrow::before{content:"";width:36px;height:1px;background:currentColor;flex-shrink:0}
.eyebrow.on-dark{color:rgba(224,220,211,0.65)}
.eyebrow.on-dark::before{background:rgba(224,220,211,0.4)}

/* Section title */
.section-title{
  font-family:var(--font-display);font-weight:700;
  font-size:clamp(36px,4.4vw,56px);line-height:1.08;
  letter-spacing:-0.012em;
  color:var(--fg-1);margin:24px 0 48px;
}
.section-title em{font-style:normal;font-weight:600;color:var(--brand-terracotta)}

/* Buttons */
.btn{
  display:inline-flex;align-items:center;gap:12px;
  font-family:var(--font-sans);font-size:13px;font-weight:500;
  letter-spacing:0.06em;text-transform:uppercase;
  padding:16px 26px;border-radius:var(--r-md);
  border:1px solid var(--brand-ink);background:var(--brand-ink);
  color:var(--brand-cream);cursor:pointer;text-decoration:none;
  transition:all var(--dur-base) var(--ease-out);
}
.btn:hover{background:var(--brand-blue-900);transform:translateY(-1px);box-shadow:var(--shadow-2)}
.btn:active{transform:translateY(0);box-shadow:var(--shadow-1)}
.btn .arrow{font-size:17px;transition:transform var(--dur-base) var(--ease-out)}
.btn:hover .arrow{transform:translate(3px,-1px)}
.btn--ghost{background:transparent;color:var(--brand-ink);border-color:var(--border-soft)}
.btn--ghost:hover{background:transparent;border-color:var(--brand-ink)}
.btn--accent{background:var(--brand-terracotta);border-color:var(--brand-terracotta);color:#fff}
.btn--accent:hover{background:var(--brand-terracotta-700);border-color:var(--brand-terracotta-700)}
.btn--on-blue{background:var(--brand-cream);color:var(--brand-ink);border-color:var(--brand-cream)}
.btn--on-blue:hover{background:#fff}

/* Header */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(246,242,236,0.85);
  backdrop-filter:saturate(140%) blur(10px);
  -webkit-backdrop-filter:saturate(140%) blur(10px);
  border-bottom:1px solid var(--border-subtle);
  transition:box-shadow var(--dur-base) var(--ease-out);
}
.site-header.scrolled{box-shadow:var(--shadow-2)}
.site-header .inner{display:flex;align-items:center;justify-content:space-between;height:76px}
.brand-mark{display:inline-flex;align-items:center;text-decoration:none;color:var(--fg-1)}
.brand-mark img{height:52px;width:auto}
.brand-mark--footer img{height:64px}
.site-nav{display:flex;align-items:center;gap:32px}
.site-nav a{
  font-family:var(--font-sans);font-size:13px;letter-spacing:0.04em;
  color:var(--fg-1);text-decoration:none;
  transition:color var(--dur-base) var(--ease-out);
}
.site-nav a:hover{color:var(--brand-terracotta)}
.site-nav a.cta{
  background:var(--brand-ink);color:var(--brand-cream);
  padding:11px 20px;border-radius:var(--r-md);
  letter-spacing:0.06em;font-weight:500;
}
.site-nav a.cta:hover{background:var(--brand-blue-900);color:var(--brand-cream)}

/* Hamburger mobile */
.hamburger{display:none;flex-direction:column;gap:5px;cursor:pointer;background:none;border:none;padding:8px}
.hamburger span{width:24px;height:2px;background:var(--brand-ink);border-radius:2px;transition:all var(--dur-base) var(--ease-out)}
.mobile-nav{
  display:none;position:fixed;inset:0;top:76px;z-index:49;
  background:rgba(246,242,236,0.97);backdrop-filter:blur(12px);
  padding:40px;flex-direction:column;gap:24px;
}
.mobile-nav.open{display:flex}
.mobile-nav a{font-size:22px;font-weight:400;color:var(--fg-1);text-decoration:none;padding:12px 0;border-bottom:1px solid var(--border-subtle)}
.mobile-nav a.cta{font-size:14px;text-transform:uppercase;letter-spacing:0.06em;background:var(--brand-ink);color:var(--brand-cream);text-align:center;padding:16px;border-radius:var(--r-md);border:none;margin-top:8px}

/* Skip link */
.skip-link{
  position:absolute;left:-9999px;top:auto;width:1px;height:1px;overflow:hidden;
}
.skip-link:focus{left:16px;top:16px;width:auto;height:auto;z-index:9999;
  background:var(--brand-ink);color:var(--brand-cream);padding:12px 20px;border-radius:var(--r-md)}

/* Section backgrounds */
.section--paper{background:var(--brand-paper)}
.section--blue{background:var(--brand-blue)}
.section--offwhite{background:var(--brand-offwhite)}

/* WhatsApp FAB */
.whats-fab{
  position:fixed;bottom:28px;right:28px;z-index:40;
  width:56px;height:56px;border-radius:50%;
  background:#25D366;color:#fff;display:flex;align-items:center;justify-content:center;
  box-shadow:0 4px 16px rgba(0,0,0,0.18);
  transition:all var(--dur-base) var(--ease-out);text-decoration:none;
}
.whats-fab:hover{transform:scale(1.08);box-shadow:0 6px 24px rgba(0,0,0,0.22)}
.whats-fab svg{width:30px;height:30px}

/* Footer */
.site-footer{
  background:var(--brand-blue-900);color:var(--fg-on-blue);
  padding:80px 0 40px;
}
.site-footer .grid{
  display:grid;grid-template-columns:2fr 1fr 1fr 1fr;
  gap:48px;margin-bottom:64px;
}
.site-footer h5{
  font-size:11px;font-weight:500;letter-spacing:0.22em;
  text-transform:uppercase;color:rgba(224,220,211,0.5);
  margin-bottom:20px;
}
.site-footer ul{list-style:none;display:flex;flex-direction:column;gap:12px}
.site-footer ul li{font-size:14px;color:rgba(224,220,211,0.8)}
.site-footer ul li a{color:rgba(224,220,211,0.8);text-decoration:none;transition:color var(--dur-base) var(--ease-out)}
.site-footer ul li a:hover{color:#fff}
.site-footer .blurb{font-size:14px;color:rgba(224,220,211,0.65);margin-top:20px;line-height:1.6}
.site-footer .compliance{
  border-top:1px solid rgba(224,220,211,0.15);
  padding-top:32px;display:flex;justify-content:space-between;align-items:flex-start;
  flex-wrap:wrap;gap:16px;
}
.site-footer .compliance p{font-size:12px;color:rgba(224,220,211,0.4)}

/* Reveal animation */
.reveal{opacity:0;transform:translateY(24px);transition:opacity 0.7s var(--ease-out),transform 0.7s var(--ease-out)}
.reveal.visible{opacity:1;transform:none}

/* Modal Overlay */
.modal-overlay{
  position:fixed;inset:0;z-index:200;
  background:rgba(27,41,53,0.65);backdrop-filter:blur(6px);
  display:flex;align-items:center;justify-content:center;
  opacity:0;pointer-events:none;transition:opacity var(--dur-base) var(--ease-out);
  padding:20px;
}
.modal-overlay.open{opacity:1;pointer-events:all}
.modal-box{
  background:var(--brand-paper);border-radius:var(--r-xl);
  padding:48px;max-width:480px;width:100%;
  transform:translateY(20px);transition:transform var(--dur-base) var(--ease-out);
  box-shadow:var(--shadow-3);position:relative;
}
.modal-overlay.open .modal-box{transform:none}
.modal-close{
  position:absolute;top:20px;right:20px;
  background:none;border:none;cursor:pointer;
  font-size:22px;color:var(--fg-3);transition:color var(--dur-base) var(--ease-out);
}
.modal-close:hover{color:var(--fg-1)}
.modal-box h3{font-size:22px;font-weight:400;margin-bottom:8px;color:var(--fg-1)}
.modal-box .modal-sub{font-size:14px;color:var(--fg-2);margin-bottom:32px}
.modal-form{display:flex;flex-direction:column;gap:16px}
.modal-form label{font-size:12px;font-weight:500;letter-spacing:0.08em;text-transform:uppercase;color:var(--fg-2);display:block;margin-bottom:6px}
.modal-form input{
  width:100%;padding:14px 16px;border:1px solid var(--border-soft);
  border-radius:var(--r-md);background:var(--brand-cream);
  font-family:var(--font-body);font-size:15px;color:var(--fg-1);
  transition:border-color var(--dur-base) var(--ease-out);
}
.modal-form input:focus{outline:none;border-color:var(--brand-terracotta)}
.modal-form .btn{width:100%;justify-content:center;margin-top:8px}

/* ============================================================
   RESPONSIVO
   ============================================================ */
@media (max-width:900px){
  .container,.container-wide{padding:0 24px}
  section{padding:80px 0}
  .site-nav{display:none}
  .hamburger{display:flex}
  .site-footer .grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:600px){
  .container,.container-wide{padding:0 20px}
  section{padding:60px 0}
  .site-footer .grid{grid-template-columns:1fr}
  .site-footer .compliance{flex-direction:column}
  .whats-fab{bottom:20px;right:20px;width:50px;height:50px}
  .whats-fab svg{width:26px;height:26px}
}