/* =====================================================================
   ANDAIME — Soluções em Acesso
   Modern stylesheet (refined-industrial) — 2026 redesign
   ===================================================================== */

/* ---------- Design tokens ---------- */
:root{
  --red:        #da251c;
  --red-dark:   #b51c14;
  --ink:        #15171a;   /* near-black charcoal */
  --ink-2:      #2c3036;
  --muted:      #555a62;
  --line:       #e7e6e3;
  --paper:      #ffffff;
  --paper-2:    #f6f5f2;   /* warm off-white */
  --paper-3:    #efeeea;
  --scrollbar-thumb: #c9c7c2;

  --display: "Archivo", system-ui, sans-serif;
  --body:    "Merriweather", Georgia, serif;

  --maxw: 1240px;
  --radius: 14px;
  --shadow-sm: 0 1px 2px rgba(20,23,26,.06);
  --shadow-md: 0 18px 40px -22px rgba(20,23,26,.35);
  --shadow-lg: 0 40px 80px -30px rgba(20,23,26,.45);
  --ease: cubic-bezier(.22,.61,.36,1);

  --z-sticky: 100;
  --z-modal: 200;
  --z-toast: 300;

  /* Type scale (modular 1.25 ratio) */
  --text-xs:   0.8125rem;  /* 13px */
  --text-sm:   0.875rem;   /* 14px */
  --text-base: 1.0625rem;  /* 17px */
  --text-lg:   1.3125rem;  /* 21px */
  --text-xl:   1.75rem;    /* 28px */
  --text-2xl:  clamp(2rem, 3.8vw, 3.25rem);  /* ~32-52px */
  --text-3xl:  clamp(2.625rem, 5.6vw, 5rem); /* ~42-80px */

  /* Spacing scale (4pt base) */
  --space-xs:   0.25rem;   /* 4px */
  --space-sm:   0.5rem;    /* 8px */
  --space-md:   0.75rem;   /* 12px */
  --space-lg:   1rem;      /* 16px */
  --space-xl:   1.5rem;    /* 24px */
  --space-2xl:  2rem;      /* 32px */
  --space-3xl:  2.5rem;    /* 40px */
  --space-4xl:  4rem;      /* 64px */
  --space-5xl:  5rem;      /* 80px */
  --space-6xl:  7.5rem;    /* 120px */

  --section-pad: clamp(76px, 8vw, 120px);
}

/* ---------- Reset ---------- */
*,*::before,*::after{ box-sizing:border-box; margin:0; padding:0; }
html{ scroll-behavior:smooth; scroll-padding-top:88px; -webkit-text-size-adjust:100%; }
body{
  font-family:var(--body);
  color:var(--ink);
  background:var(--paper);
  line-height:1.6;
  font-size:var(--text-base);
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
ul{ list-style:none; }

h1,h2,h3,h4{ font-family:var(--display); font-weight:700; line-height:1.05; letter-spacing:-.02em; color:var(--ink); text-wrap:balance; }

::selection{ background:var(--red); color:#fff; }
:focus-visible{ outline:2px solid var(--red); outline-offset:3px; border-radius:4px; }

/* Utility */
.sr-only{ position:absolute; width:1px; height:1px; padding:0; margin:-1px; overflow:hidden; clip:rect(0,0,0,0); white-space:nowrap; border:0; }

.container{ width:100%; max-width:var(--maxw); margin:0 auto; padding:0 clamp(20px, 3.2vw, 40px); }

/* Section rhythm */
section{ position:relative; }
.section-pad{ padding:var(--section-pad) 0; }
@media (max-width:768px){ .section-pad{ padding:76px 0; } }

#counter{ padding:96px 0; }

/* Eyebrow / kicker */
.kicker{
  display:inline-flex; align-items:center; gap:10px;
  font-family:var(--body); font-weight:700;
  font-size:12.5px; letter-spacing:.22em; text-transform:uppercase;
  color:var(--red);
}
.kicker::before{ content:""; width:30px; height:2px; background:var(--red); display:inline-block; }


.section-head{ max-width:720px; margin-bottom:var(--space-4xl); }
.section-head.center{ margin-left:auto; margin-right:auto; text-align:center; }
.section-head.center .kicker::before{ display:none; }
.section-head h2{
  font-size:var(--text-2xl); margin-top:var(--space-lg); letter-spacing:-.025em;
}
.section-head p{ color:var(--muted); margin-top:var(--space-lg); font-size:var(--text-base); text-wrap:pretty; }

/* Buttons */
.btn{
  display:inline-flex; align-items:center; gap:11px;
  font-family:var(--body); font-weight:700; font-size:14px; letter-spacing:.04em;
  padding:var(--space-lg) 28px; border-radius:999px; border:1.5px solid transparent;
  cursor:pointer; transition:transform .35s var(--ease), box-shadow .35s var(--ease), background .35s var(--ease), border-color .35s var(--ease), color .35s var(--ease); text-transform:uppercase;
}
.btn i{ transition:transform .35s var(--ease); }
.btn-primary{ background:var(--red); color:#fff; }
.btn-primary:hover{ background:var(--red-dark); transform:translateY(-2px); box-shadow:0 16px 30px -14px rgba(218,37,28,.7); }
.btn-primary:hover i{ transform:translateX(4px); }
.btn-ghost{ border-color:rgba(255,255,255,.45); color:#fff; -webkit-backdrop-filter:blur(4px); backdrop-filter:blur(4px); }
.btn-ghost:hover{ background:#fff; color:var(--ink); border-color:#fff; }
.btn-dark{ background:var(--ink); color:#fff; }
.btn-dark:hover{ background:#000; transform:translateY(-2px); }

/* =====================================================================
   HEADER
   ===================================================================== */
.site-header{
  position:fixed; inset:0 0 auto 0; z-index:var(--z-sticky);
  padding:18px 0; transition:padding .4s var(--ease);
}
.site-header::after{
  content:""; position:absolute; inset:0; background:rgba(255,255,255,.92);
  -webkit-backdrop-filter:saturate(1.3) blur(12px); backdrop-filter:saturate(1.3) blur(12px);
  opacity:0; transition:opacity .4s var(--ease); z-index:-1;
  box-shadow:0 1px 0 var(--line);
}
.site-header.scrolled{ padding:11px 0; }
.site-header.scrolled::after{ opacity:1; }
.site-header.scrolled .nav-link{ color:var(--ink); }
.site-header.scrolled .brand-logo{ filter:none; }

.header-inner{ display:flex; align-items:center; gap:24px; }
.brand-logo{ height:34px; width:auto; }
/* Header transparente sobre o hero escuro: placa branca atrás do logo
   garante contraste sem alterar as cores originais da marca */
.brand{
  display:inline-flex; align-items:center;
  background:#fff; border-radius:10px; padding:8px 14px;
  box-shadow:0 6px 18px -8px rgba(13,15,17,.45);
  transition:background .4s var(--ease), box-shadow .4s var(--ease), padding .4s var(--ease);
}
.site-header.scrolled .brand{
  background:transparent; box-shadow:none; padding:8px 0;
}
@media (min-width:992px){ .brand-logo{ height:38px; } }

.primary-nav{ flex:1; display:flex; align-items:center; gap:30px; }
.nav-links{ flex:1; display:flex; align-items:center; justify-content:center; gap:30px; }
.nav-link{
  font-family:var(--body); font-weight:600; font-size:13.5px; letter-spacing:.08em;
  text-transform:uppercase; color:#fff; position:relative; padding:6px 2px;
  white-space:nowrap; display:inline-block;
  transition:color .28s var(--ease), transform .28s var(--ease);
}
.nav-link::after{
  content:""; position:absolute; left:0; bottom:0; height:2px; background:var(--red);
  width:0; opacity:0;
  transition:width .3s var(--ease), opacity .25s var(--ease) .08s;
}
.nav-link:hover::after,
.nav-link:focus-visible::after,
.nav-link.active::after{ width:100%; opacity:1; }
.nav-link:hover,
.nav-link:focus-visible,
.nav-link.active{ color:var(--red); transform:translateY(-3px); }

.nav-meta{ display:flex; align-items:center; gap:18px; }

.social{ display:flex; gap:8px; }
.social a{
  width:44px; height:44px; border-radius:50%; display:grid; place-items:center;
  background:var(--red); color:#fff; font-size:16px; transition:background .3s var(--ease), transform .3s var(--ease);
}
.social a:hover{ background:var(--ink); transform:translateY(-2px); }

.iso-badge{ height:30px; width:auto; flex-shrink:0; }

.nav-toggle{
  display:none; width:46px; height:46px; border:none; background:transparent; cursor:pointer;
  flex-direction:column; justify-content:center; align-items:flex-end; gap:6px;
}
.nav-toggle span{ display:block; height:2.5px; width:26px; background:#fff; border-radius:2px; transition:transform .3s var(--ease), opacity .3s var(--ease), background .3s var(--ease); }
.site-header.scrolled .nav-toggle span{ background:var(--ink); }
.nav-toggle.open span:nth-child(1){ transform:translateY(8.5px) rotate(45deg); }
.nav-toggle.open span:nth-child(2){ opacity:0; }
.nav-toggle.open span:nth-child(3){ transform:translateY(-8.5px) rotate(-45deg); }

@media (max-width:991px){
  .nav-toggle{ display:flex; }
  .primary-nav{
    position:fixed; inset:0 0 0 auto; width:min(86vw,360px);
    background:#fff; flex-direction:column; align-items:flex-start; justify-content:flex-start;
    padding:104px 34px 40px; gap:6px; box-shadow:var(--shadow-lg);
    transform:translateX(105%); transition:transform .45s var(--ease);
  }
  .primary-nav.open{ transform:translateX(0); }
  .nav-links{ flex-direction:column; align-items:flex-start; gap:4px; width:100%; }
  .nav-link{ color:var(--ink); width:100%; padding:14px 0; border-bottom:1px solid var(--line); font-size:16px; }
  .nav-link::after{ display:none; }
  .nav-link:hover, .nav-link:focus-visible, .nav-link.active{ color:var(--red); transform:translateX(6px); }
  .nav-meta{ flex-direction:column; align-items:flex-start; border-left:none; padding-left:0; margin-top:24px; gap:18px; }
}
/* =====================================================================
   CONTACT
   ===================================================================== */
#contact{
  background:linear-gradient(rgba(13,15,17,.93),rgba(13,15,17,.93)), url("../images/contact-bg.jpg") center/cover fixed;
  color:#fff;
}
#contact .kicker{ color:#fff; }
#contact .section-head h2{ color:#fff; }
#contact .section-head p{ color:rgba(255,255,255,.65); }
.contact-grid{ display:grid; grid-template-columns:repeat(4,1fr); gap:22px; }
.contact-card{
  background:rgba(255,255,255,.05); border:1px solid rgba(255,255,255,.1); border-radius:var(--radius);
  padding:30px 26px; transition:background .35s var(--ease), transform .35s var(--ease), border-color .35s var(--ease);
}
.contact-card:hover{ background:rgba(255,255,255,.08); transform:translateY(-4px); border-color:rgba(218,37,28,.5); }
.contact-card h4{ color:#fff; font-size:var(--text-xs); letter-spacing:.16em; text-transform:uppercase; padding-bottom:16px; margin-bottom:16px; border-bottom:1px solid rgba(255,255,255,.12); }
.contact-card h4 span{ color:var(--red); }
.contact-card .row-line{ display:flex; gap:12px; align-items:flex-start; margin-bottom:var(--space-md); font-size:14.5px; color:rgba(255,255,255,.82); }
.contact-card .row-line i{ color:var(--red); width:18px; text-align:center; margin-top:4px; flex-shrink:0; }
.contact-card a{ transition:color .25s var(--ease); }
.contact-card a:hover{ color:var(--red); }

.contact-form{
  background:rgba(255,255,255,.05); border:1px solid rgba(255,255,255,.1); border-radius:var(--radius);
  padding:var(--space-2xl); margin-top:var(--space-2xl);
  transition:background .35s var(--ease), border-color .35s var(--ease);
}
.contact-form h4{ color:#fff; font-size:var(--text-xs); letter-spacing:.16em; text-transform:uppercase;
  padding-bottom:var(--space-lg); margin-bottom:var(--space-lg); border-bottom:1px solid rgba(255,255,255,.12); }
.contact-form h4 span{ color:var(--red); }
.form-row{ margin-bottom:var(--space-lg); }
.contact-form input,
.contact-form textarea{
  width:100%; background:rgba(255,255,255,.08); border:1px solid rgba(255,255,255,.12);
  border-radius:10px; padding:var(--space-md) var(--space-lg);
  color:#fff; font-family:var(--body); font-size:var(--text-sm);
  transition:border-color .25s var(--ease), background .25s var(--ease);
}
.contact-form input::placeholder,
.contact-form textarea::placeholder{ color:rgba(255,255,255,.58); }
.contact-form input:focus,
.contact-form textarea:focus{ outline:none; border-color:var(--red); background:rgba(255,255,255,.12); }
.contact-form textarea{ resize:vertical; min-height:100px; }
.contact-form .btn{ margin-top:var(--space-sm); }

.contact-foot{ display:flex; flex-wrap:wrap; align-items:center; justify-content:center; gap:18px; margin-top:34px;
  padding:24px 28px; background:rgba(255,255,255,.05); border:1px solid rgba(255,255,255,.1); border-radius:var(--radius); }
.contact-foot .cf-item{ display:flex; align-items:center; gap:12px; color:rgba(255,255,255,.85); font-size:15px; }
.contact-foot .cf-item i{ color:var(--red); }

@media (max-width:980px){ .contact-grid{ grid-template-columns:1fr 1fr; } }
@media (max-width:560px){ .contact-grid{ grid-template-columns:1fr; } #contact{ background-attachment:scroll; } }
/* =====================================================================
   FOOTER
   ===================================================================== */
.site-footer{ background:#fff; color:var(--muted); padding:42px 0; border-top:1px solid var(--line); }
.footer-inner{ display:flex; flex-wrap:wrap; align-items:center; justify-content:space-between; gap:22px; }
.footer-inner img{ height:32px; }
.footer-inner .copy{ font-size:var(--text-xs); letter-spacing:.04em; color:var(--muted); }
.footer-social{ display:flex; gap:10px; }
.footer-social a{ width:44px; height:44px; border-radius:50%; display:grid; place-items:center; background:var(--paper-2); color:var(--ink); border:1px solid var(--line);   transition:background .3s var(--ease), border-color .3s var(--ease), color .3s var(--ease), transform .3s var(--ease); }
.footer-social a:hover{ background:var(--red); border-color:var(--red); color:#fff; transform:translateY(-2px); }

/* =====================================================================
   SCROLL REVEAL
   ===================================================================== */
@media (prefers-reduced-motion:reduce){ html{ scroll-behavior:auto; } .scroll-cue .line{ animation:none; } }
/* =====================================================================
   POLISH — acabamento fino
   ===================================================================== */

/* Scrollbar discreta */
html{ scrollbar-width:thin; scrollbar-color:var(--scrollbar-thumb) var(--paper-2); }
::-webkit-scrollbar{ width:11px; }
::-webkit-scrollbar-track{ background:var(--paper-2); }
::-webkit-scrollbar-thumb{ background:var(--scrollbar-thumb); border-radius:8px; border:3px solid var(--paper-2); }
::-webkit-scrollbar-thumb:hover{ background:var(--muted); }

/* Parágrafos com quebras mais harmoniosas */
p{ text-wrap:pretty; }

/* Cartões de projeto: véu sutil sobre a foto no hover */
.project-media::after{
  content:""; position:absolute; inset:0; pointer-events:none;
  background:linear-gradient(0deg, rgba(13,15,17,.22), transparent 45%);
  opacity:0; transition:opacity .4s var(--ease);
}
.project:hover .project-media::after{ opacity:1; }

/* Sublinhado elegante em links de texto corrido */
.contact-card a, .contact-foot a{
  background-image:linear-gradient(currentColor, currentColor);
  background-size:0% 1px; background-position:0 100%; background-repeat:no-repeat;
  transition:background-size .3s var(--ease), color .25s var(--ease);
}
.contact-card a:hover, .contact-foot a:hover{ background-size:100% 1px; }

/* Botções: anel de foco coerente com a marca */
.btn:focus-visible{ outline:2px solid var(--red); outline-offset:3px; }
.btn:active{ transform:translateY(0) scale(.97); box-shadow:0 2px 4px rgba(20,23,26,.08); }

/* Imagens da galeria: leve fade ao carregar */
.gallery-item img, .project-media img, .client-cell img{
  backface-visibility:hidden;
}

/* =====================================================================
   SKIP-TO-CONTENT (a11y)
   ===================================================================== */
.skip-link{
  position:fixed; top:-100%; left:12px; z-index:var(--z-toast);
  padding:12px 24px; background:var(--ink); color:#fff;
  font-family:var(--body); font-weight:700; font-size:14px;
  border-radius:0 0 8px 8px; text-decoration:none;
  transition:top .25s var(--ease);
}
.skip-link:focus{
  top:0; outline:2px solid var(--red); outline-offset:2px;
}

/* =====================================================================
   DARK MODE
   ===================================================================== */
@media (prefers-color-scheme:dark){
  body{ background:var(--ink); color:rgba(255,255,255,.88); }
  h1,h2,h3,h4{ color:#fff; }
  .section-head p{ color:rgba(255,255,255,.55); }
  .kicker::before{ background:var(--red); }
  .site-header.scrolled::after{ background:rgba(21,23,26,.95); }
  .site-header.scrolled .nav-link{ color:rgba(255,255,255,.88); }
  .site-header.scrolled .brand{ background:transparent; }
  .site-header.scrolled .nav-toggle span{ background:rgba(255,255,255,.88); }
  #about{ background:var(--ink-2); }
  .about-copy p{ color:rgba(255,255,255,.78); }
  .about-visual img{ box-shadow:0 18px 40px -22px rgba(0,0,0,.7); }
  #services{ background:var(--ink); }
  #testimonial{ background:var(--ink-2); }
  .client-cell{ background:rgba(255,255,255,.06); border-color:rgba(255,255,255,.1); }
  .client-cell:hover{ background:rgba(255,255,255,.1); }
  #certificates{ background:var(--ink-2); }
  .cert-icon{ background:rgba(255,255,255,.06); border-color:rgba(255,255,255,.1); }
  .site-footer{ background:var(--ink-2); border-color:rgba(255,255,255,.08); color:rgba(255,255,255,.5); }
  .footer-social a{ background:rgba(255,255,255,.08); border-color:rgba(255,255,255,.12); color:rgba(255,255,255,.7); }
  .footer-social a:hover{ background:var(--red); border-color:var(--red); color:#fff; }
  .project{ background:rgba(255,255,255,.04); border-color:rgba(255,255,255,.08); }
  .project-more{ color:rgba(255,255,255,.8); }
  .model-card{ background:rgba(255,255,255,.04); border-color:rgba(255,255,255,.08); }
  .norm-pill{ background:rgba(255,255,255,.06); border-color:rgba(255,255,255,.1); color:rgba(255,255,255,.85); }
  .lightbox{ background:rgba(0,0,0,.96); }
  ::selection{ background:var(--red); color:#fff; }
  ::-webkit-scrollbar-track{ background:var(--ink-2); }
  ::-webkit-scrollbar-thumb{ background:rgba(255,255,255,.15); border-color:var(--ink-2); }
  ::-webkit-scrollbar-thumb:hover{ background:rgba(255,255,255,.25); }
}