/* =========================================================
   Mirelle Reis — Presença Digital · Design System · main.css
   Reset + componentes. Depende de tokens.css (linkar antes).
   ========================================================= */

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:var(--font-body);font-size:16px;line-height:1.65;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
img,svg{max-width:100%;display:block;}
a{color:inherit;}
ul{margin:0;padding:0;}
h1,h2,h3,h4{font-family:var(--font-display);font-weight:700;line-height:1.08;margin:0;text-wrap:balance;letter-spacing:-.01em;}
p{margin:0;color:var(--ink-soft);}

:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px;}

.eyebrow{
  font-family:var(--font-mono);font-size:var(--text-xs);letter-spacing:.08em;text-transform:uppercase;
  color:var(--accent-deep);font-weight:600;display:inline-flex;align-items:center;gap:.5em;
}
.eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--accent);flex:none;}
.on-dark .eyebrow{color:var(--green-500);}

.container{max-width:1180px;margin:0 auto;padding:0 24px;}
.container-narrow{max-width:760px;margin:0 auto;padding:0 24px;}
.text-soft{color:var(--ink-soft);}
.center{text-align:center;}

/* ---------- ícones ---------- */
.icon{width:20px;height:20px;flex:none;stroke:currentColor;fill:none;stroke-width:1.75;stroke-linecap:round;stroke-linejoin:round;}
.icon-lg{width:28px;height:28px;}

/* ---------- botões ---------- */
.btn{
  display:inline-flex;align-items:center;gap:.6em;
  font-family:var(--font-body);font-weight:600;font-size:var(--text-sm);
  text-decoration:none;padding:.85em 1.6em;border-radius:var(--radius-full);
  transition:transform var(--duration-fast) var(--ease), background var(--duration-fast) var(--ease), box-shadow var(--duration-fast) var(--ease), border-color var(--duration-fast) var(--ease);
  border:1.5px solid transparent;white-space:nowrap;cursor:pointer;line-height:1;
}
.btn:hover{transform:translateY(-2px);}
.btn:active{transform:translateY(0);}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 14px 28px -14px rgba(18,148,107,.55);}
.btn-primary:hover{background:var(--accent-deep);}
/* texto escuro sobre o verde do WhatsApp: branco sobre #25D366 fica ~2:1 de
   contraste (reprova WCAG AA); grafite sobre esse mesmo verde passa de 9:1,
   mantendo a cor de marca reconhecível sem sacrificar legibilidade. */
.btn-whats{background:var(--whatsapp);color:var(--graphite-950);box-shadow:0 14px 28px -14px rgba(37,211,102,.55);}
.btn-whats:hover{background:var(--whatsapp-deep);}
.btn-outline{border-color:var(--line);color:var(--ink);background:var(--surface);}
.btn-outline:hover{border-color:var(--ink);}
.btn-ghost-dark{border-color:rgba(255,255,255,.28);color:var(--on-dark);}
.btn-ghost-dark:hover{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.5);}
.btn-block{width:100%;justify-content:center;}
.btn:disabled,.btn[aria-disabled="true"]{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none;}

/* ---------- header ---------- */
header{position:sticky;top:0;z-index:50;background:color-mix(in srgb, var(--bg) 82%, transparent);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--line);}
.nav{display:flex;align-items:center;justify-content:space-between;padding:16px 0;gap:16px;}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;}
.brand .mark{
  width:36px;height:36px;border-radius:10px;background:var(--dark);color:var(--green-500);
  display:flex;align-items:center;justify-content:center;font-family:var(--font-display);font-weight:800;font-size:1.05rem;flex:none;
}
.brand .word{font-family:var(--font-display);font-weight:700;font-size:1.02rem;color:var(--ink);line-height:1.15;}
.brand .word small{display:block;font-family:var(--font-mono);font-weight:500;font-size:.64rem;letter-spacing:.09em;text-transform:uppercase;color:var(--ink-soft);}
.nav-links{display:flex;gap:28px;list-style:none;margin:0;padding:0;font-size:var(--text-sm);font-weight:500;}
.nav-links a{text-decoration:none;color:var(--ink-soft);transition:color var(--duration-fast) var(--ease);}
.nav-links a:hover{color:var(--ink);}
.nav-cta{display:flex;align-items:center;gap:10px;}
.burger{display:none;cursor:pointer;flex-direction:column;gap:5px;padding:8px;background:none;border:0;}
.burger span{width:22px;height:2px;background:var(--ink);display:block;transition:transform var(--duration-fast) var(--ease), opacity var(--duration-fast) var(--ease);}
.burger[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.burger[aria-expanded="true"] span:nth-child(2){opacity:0;}
.burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
@media (max-width:860px){
  .nav-links{
    position:fixed;inset:64px 0 0 0;background:var(--bg);z-index:49;
    flex-direction:column;padding:28px 24px;gap:22px;font-size:1.1rem;
    opacity:0;visibility:hidden;transform:translateY(-10px);
    transition:opacity var(--duration-base) var(--ease), transform var(--duration-base) var(--ease), visibility var(--duration-base) var(--ease);
  }
  .nav-links.open{opacity:1;visibility:visible;transform:translateY(0);}
  .burger{display:flex;}
}

/* ---------- hero ---------- */
.hero{background:var(--dark);color:var(--on-dark);padding:128px 0 100px;position:relative;overflow:hidden;isolation:isolate;}
.hero::before{
  content:"";position:absolute;inset:0;z-index:-1;
  background:
    radial-gradient(900px 520px at 88% -12%, rgba(26,174,126,.24), transparent 62%),
    radial-gradient(620px 480px at -8% 108%, rgba(52,87,213,.14), transparent 60%);
}
.hero-grid{position:absolute;inset:0;z-index:-1;opacity:.5;
  background-image:linear-gradient(var(--dark-line) 1px, transparent 1px), linear-gradient(90deg, var(--dark-line) 1px, transparent 1px);
  background-size:64px 64px;
  mask-image:linear-gradient(180deg, black, transparent 75%);
  -webkit-mask-image:linear-gradient(180deg, black, transparent 75%);
}
.hero .container{position:relative;z-index:1;}
.hero-inner{max-width:760px;}
.hero h1{font-size:clamp(2.4rem,5.6vw,3.9rem);color:var(--on-dark);}
.hero p.lead{font-size:var(--text-md);max-width:56ch;margin-top:24px;color:var(--on-dark-soft);}
.hero-ctas{display:flex;flex-wrap:wrap;gap:14px;margin-top:36px;}
.hero-stats{display:flex;gap:0;flex-wrap:wrap;margin-top:56px;border-top:1px solid var(--dark-line);padding-top:24px;}
.hero-stats div{flex:1 1 180px;padding-right:20px;}
.hero-stats b{display:block;font-family:var(--font-display);font-weight:700;font-size:1.5rem;color:var(--green-500);}
.hero-stats span{font-size:var(--text-xs);color:var(--on-dark-soft);}

/* ---------- seções ---------- */
section{padding:104px 0;}
.section-head{max-width:660px;margin:0 auto 56px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.section-head h2{font-size:clamp(2rem,4.2vw,2.6rem);margin-top:14px;}
.section-head p{margin-top:16px;font-size:var(--text-md);}
.bg-sunken{background:var(--surface-sunken);}
.bg-dark{background:var(--dark);color:var(--on-dark);}
.bg-dark .section-head p{color:var(--on-dark-soft);}
.bg-dark h2,.bg-dark h3{color:var(--on-dark);}

/* ---------- grids & cards ---------- */
.grid{display:grid;grid-template-columns:1fr;gap:24px;}
.grid-2{grid-template-columns:1fr;}
.grid-3{grid-template-columns:1fr;}
.grid-4{grid-template-columns:1fr;}
@media (min-width:640px){ .grid-2{grid-template-columns:repeat(2,1fr);} .grid-3{grid-template-columns:repeat(2,1fr);} }
@media (min-width:900px){ .grid-3{grid-template-columns:repeat(3,1fr);} .grid-4{grid-template-columns:repeat(4,1fr);} }

.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-md);padding:32px;
  transition:transform var(--duration-base) var(--ease), box-shadow var(--duration-base) var(--ease), border-color var(--duration-base) var(--ease);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-elevated);border-color:transparent;}
.card .icon-wrap{
  width:48px;height:48px;border-radius:var(--radius-sm);background:var(--accent-soft);color:var(--accent-deep);
  display:flex;align-items:center;justify-content:center;margin-bottom:20px;
}
.card h3{font-size:var(--text-md);margin-bottom:10px;}
.card p{font-size:var(--text-sm);margin:0;}

/* card de serviço (maior, com lista) */
.service-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);padding:40px;
  display:flex;flex-direction:column;gap:20px;transition:box-shadow var(--duration-base) var(--ease), transform var(--duration-base) var(--ease);
}
.service-card:hover{box-shadow:var(--shadow-elevated);transform:translateY(-4px);}
.service-card .icon-wrap{width:56px;height:56px;border-radius:var(--radius-sm);background:var(--accent-soft);color:var(--accent-deep);display:flex;align-items:center;justify-content:center;}
.service-card h3{font-size:var(--text-xl);}
.service-card ul{list-style:none;display:flex;flex-direction:column;gap:12px;}
.service-card li{display:flex;gap:10px;font-size:var(--text-sm);color:var(--ink-soft);}
.service-card li .icon{color:var(--accent);margin-top:2px;}
.service-card.is-future{border-style:dashed;opacity:.72;}
.service-card.is-future .icon-wrap{background:var(--surface-sunken);color:var(--ink-soft);}

/* ---------- timeline "como funciona" ---------- */
.timeline{position:relative;display:grid;grid-template-columns:1fr;gap:40px;}
@media (min-width:860px){
  .timeline{grid-template-columns:repeat(4,1fr);gap:0;}
  .timeline::before{content:"";position:absolute;top:22px;left:calc(12.5% - 1px);right:calc(12.5% - 1px);height:1px;background:var(--line);}
}
.timeline-step{position:relative;padding:0 20px;}
.timeline-step .dot{
  width:44px;height:44px;border-radius:50%;background:var(--surface);border:1.5px solid var(--line);
  display:flex;align-items:center;justify-content:center;font-family:var(--font-mono);font-weight:600;font-size:var(--text-sm);color:var(--accent-deep);
  margin-bottom:20px;position:relative;z-index:1;
}
.timeline-step h3{font-size:var(--text-md);margin-bottom:8px;}
.timeline-step p{font-size:var(--text-sm);margin:0;}

/* ---------- antes / depois ---------- */
.compare{display:grid;grid-template-columns:1fr;gap:24px;}
@media (min-width:760px){.compare{grid-template-columns:1fr 1fr;}}
.compare-col{border-radius:var(--radius-lg);padding:36px;}
.compare-col.is-before{background:var(--surface-sunken);border:1px solid var(--line);}
.compare-col.is-after{background:var(--dark);color:var(--on-dark);}
.compare-col h3{font-size:var(--text-lg);margin-bottom:20px;}
.compare-col.is-after h3{color:var(--on-dark);}
.compare-list{list-style:none;display:flex;flex-direction:column;gap:14px;}
.compare-list li{display:flex;gap:12px;font-size:var(--text-sm);align-items:flex-start;}
.compare-col.is-before .icon{color:var(--gray-500);margin-top:2px;}
.compare-col.is-after .icon{color:var(--green-500);margin-top:2px;}
.compare-col.is-after p, .compare-col.is-after .compare-list li{color:var(--on-dark-soft);}

/* ---------- portfólio teaser ---------- */
.pf-teaser{
  background:var(--dark-surface);border:1px solid var(--dark-line);border-radius:var(--radius-lg);
  padding:56px 40px;text-align:center;
}
.pf-teaser .pf-grid-preview{display:flex;justify-content:center;gap:12px;margin:28px 0 32px;flex-wrap:wrap;}
.pf-teaser .pf-chip{
  font-family:var(--font-mono);font-size:var(--text-xs);color:var(--on-dark-soft);
  border:1px solid var(--dark-line);border-radius:var(--radius-full);padding:8px 16px;
}

/* ---------- faq ---------- */
.faq-list{max-width:760px;margin:0 auto;}
details.faq{border-bottom:1px solid var(--line);padding:22px 0;}
details.faq summary{cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:16px;font-family:var(--font-display);font-weight:600;font-size:var(--text-md);}
details.faq summary::-webkit-details-marker{display:none;}
details.faq summary .icon{transition:transform var(--duration-base) var(--ease);color:var(--accent);flex:none;}
details.faq[open] summary .icon{transform:rotate(45deg);}
details.faq p{margin:14px 0 0;font-size:var(--text-sm);max-width:64ch;}

/* ---------- inputs (spec do design system, pra uso futuro) ---------- */
.field{display:flex;flex-direction:column;gap:8px;}
.field label{font-size:var(--text-sm);font-weight:600;color:var(--ink);}
.field input,.field textarea{
  font-family:var(--font-body);font-size:var(--text-base);color:var(--ink);
  background:var(--surface);border:1.5px solid var(--line);border-radius:var(--radius-sm);
  padding:.85em 1em;transition:border-color var(--duration-fast) var(--ease), box-shadow var(--duration-fast) var(--ease);
}
.field input:hover,.field textarea:hover{border-color:var(--gray-300);}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 4px var(--accent-soft);}
.field textarea{resize:vertical;min-height:120px;}

/* ---------- modal (spec base, uso futuro na Fase 3) ---------- */
.modal-backdrop{position:fixed;inset:0;background:rgba(14,16,19,.6);backdrop-filter:blur(4px);z-index:90;display:flex;align-items:center;justify-content:center;padding:24px;}
.modal{background:var(--surface);border-radius:var(--radius-lg);max-width:640px;width:100%;padding:40px;box-shadow:var(--shadow-elevated);}

/* ---------- skeleton loading ---------- */
.skeleton{position:relative;overflow:hidden;background:var(--surface-sunken);border-radius:var(--radius-sm);}
.skeleton::after{
  content:"";position:absolute;inset:0;transform:translateX(-100%);
  background:linear-gradient(90deg, transparent, rgba(255,255,255,.5), transparent);
  animation:shimmer 1.6s infinite;
}
@keyframes shimmer{100%{transform:translateX(100%);}}

/* ---------- scroll reveal ---------- */
[data-reveal]{opacity:0;transform:translateY(18px);transition:opacity var(--duration-slow) var(--ease), transform var(--duration-slow) var(--ease);}
[data-reveal].is-visible{opacity:1;transform:translateY(0);}

/* ---------- cta strip ---------- */
.cta-strip{background:linear-gradient(120deg,var(--accent) 0%, var(--accent-deep) 100%);padding:52px 0;}
.cta-strip .container{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;}
.cta-strip h3{color:#fff;font-size:clamp(1.25rem,3vw,1.6rem);}
.cta-strip p{color:rgba(255,255,255,.85);margin:6px 0 0;font-size:var(--text-sm);}
.btn-invert{background:#fff;color:var(--accent-deep);}
.btn-invert:hover{background:var(--gray-100);}

/* ---------- contato ---------- */
.contact{background:var(--dark);color:var(--on-dark);position:relative;overflow:hidden;}
.contact::before{content:"";position:absolute;inset:0;background:radial-gradient(640px 420px at 50% 0%, rgba(26,174,126,.18), transparent 65%);}
.contact .container{position:relative;text-align:center;}
.contact h2{color:var(--on-dark);}
.contact p{color:var(--on-dark-soft);max-width:56ch;margin:16px auto 0;}
.contact-ctas{display:flex;flex-wrap:wrap;gap:16px;justify-content:center;margin-top:32px;}
.contact-links{display:flex;flex-wrap:wrap;gap:24px;justify-content:center;margin-top:28px;font-size:var(--text-sm);color:var(--on-dark-soft);}
.contact-links a{text-decoration:none;display:inline-flex;align-items:center;gap:8px;}
.contact-links a:hover{color:var(--on-dark);}

/* ---------- footer ---------- */
footer{padding:36px 0;border-top:1px solid var(--line);background:var(--bg);}
.footer-row{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;font-size:var(--text-xs);color:var(--ink-soft);}
.footer-row a{text-decoration:underline;}

/* ---------- floating whatsapp ---------- */
.float-wpp{
  position:fixed;right:20px;bottom:20px;z-index:60;
  background:var(--whatsapp);color:#fff;width:58px;height:58px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 14px 32px -8px rgba(0,0,0,.4);text-decoration:none;
  transition:transform var(--duration-fast) var(--ease);
}
.float-wpp:hover{transform:scale(1.06);background:var(--whatsapp-deep);}
.float-wpp svg{width:28px;height:28px;fill:var(--graphite-950);}

@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  *{transition:none !important;animation:none !important;}
  [data-reveal]{opacity:1;transform:none;}
}