/* =========================================================
   Isadora Mello — Engenharia Civil
   Landing page (link na bio)
   Paleta extraída da identidade visual da cliente
   ========================================================= */

:root{
  --navy:        #16233D;
  --navy-deep:   #0E1729;
  --navy-soft:   #22304F;
  --gold:        #C6A15B;
  --gold-light:  #DFC28C;
  --gold-soft:   #F0E5D2;
  --sand:        #F7F2EA;
  --white:       #FFFFFF;
  --off:         #FBFAF8;
  --ink:         #1B2537;
  --ink-soft:    #5A6478;
  --line:        #E6E1D8;

  --wa:          #25D366;

  --font-title:  'Poppins', system-ui, -apple-system, sans-serif;
  --font-body:   'Inter', system-ui, -apple-system, sans-serif;

  --radius:      16px;
  --radius-sm:   10px;
  --shadow:      0 18px 45px -25px rgba(22,35,61,.45);
  --shadow-lg:   0 32px 70px -30px rgba(22,35,61,.55);
  --container:   1160px;
  --header-h:    72px;
}

*,*::before,*::after{box-sizing:border-box}

html{scroll-behavior:smooth;scroll-padding-top:calc(var(--header-h) + 12px);-webkit-text-size-adjust:100%}

body{
  margin:0;
  font-family:var(--font-body);
  font-size:17px;
  line-height:1.65;
  color:var(--ink);
  background:var(--off);
  overflow-x:hidden;
}

img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
h1,h2,h3{font-family:var(--font-title);color:var(--navy);line-height:1.18;margin:0 0 .5em;letter-spacing:-.02em}
h1{font-size:clamp(2rem,5.2vw,3.4rem);font-weight:700}
h2{font-size:clamp(1.6rem,3.6vw,2.5rem);font-weight:600}
h3{font-size:1.15rem;font-weight:600}
p{margin:0 0 1em}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 22px}
.container--narrow{max-width:820px}

/* ---------- Utilitários ---------- */
.eyebrow{
  font-family:var(--font-title);
  font-size:.78rem;font-weight:600;letter-spacing:.18em;text-transform:uppercase;
  color:var(--gold);margin:0 0 .8rem;display:flex;align-items:center;gap:.7rem;
}
.eyebrow::after{content:'';flex:0 0 46px;height:1px;background:var(--gold);opacity:.55}
.eyebrow--light{color:var(--gold-light)}
.eyebrow--light::after{background:var(--gold-light)}

/* Foco de teclado visível em tudo que é interativo (antes não existia:
   quem navega por Tab não enxergava onde estava). */
:where(a,button,input,select,textarea,summary):focus-visible{
  outline:3px solid var(--gold);
  outline-offset:3px;
  border-radius:6px;
}
.section--navy :where(a,button,summary):focus-visible{outline-color:var(--gold-light)}

.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s ease,transform .7s ease}
.reveal.is-in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
}

/* ---------- Botões ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.6rem;
  font-family:var(--font-title);font-weight:600;font-size:1rem;
  padding:15px 28px;border-radius:999px;border:1.5px solid transparent;cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease;
  text-align:center;
}
.btn:hover{transform:translateY(-2px)}
.btn .ico{width:20px;height:20px;flex:0 0 20px}

.btn--primary{background:var(--navy);color:var(--white);box-shadow:var(--shadow)}
.btn--primary:hover{background:var(--navy-deep);box-shadow:var(--shadow-lg)}

.btn--gold{background:var(--gold);color:var(--navy-deep);box-shadow:0 18px 40px -22px rgba(198,161,91,.9)}
.btn--gold:hover{background:var(--gold-light)}

.btn--ghost{background:transparent;color:var(--navy);border-color:var(--line)}
.btn--ghost:hover{border-color:var(--gold);color:var(--gold)}

.btn--block{width:100%}

/* ---------- Header ---------- */
.header{
  position:fixed;inset:0 0 auto;z-index:60;height:var(--header-h);
  background:rgba(251,250,248,.86);backdrop-filter:blur(12px);
  border-bottom:1px solid transparent;transition:border-color .3s ease,box-shadow .3s ease;
}
.header.is-stuck{border-color:var(--line);box-shadow:0 10px 30px -22px rgba(22,35,61,.5)}
.header__inner{height:100%;display:flex;align-items:center;justify-content:space-between;gap:16px}

.brand{display:flex;align-items:center;gap:11px}
.brand__mark{height:38px;width:auto;flex:0 0 auto;object-fit:contain}
.brand__text{display:flex;flex-direction:column;line-height:1.1}
.brand__text strong{font-family:var(--font-title);font-size:1.02rem;font-weight:600;color:var(--navy);letter-spacing:.01em}
.brand__text small{font-size:.63rem;letter-spacing:.24em;text-transform:uppercase;color:var(--ink-soft)}

.nav{display:flex;align-items:center;gap:26px}
.nav a{
  position:relative;font-size:.93rem;font-weight:500;color:var(--ink-soft);transition:color .2s ease;
}
.nav a:hover{color:var(--navy)}

/* Marca em qual seção o visitante está (a página é longa; sem isso ele perde
   a noção de onde parou). */
.nav a:not(.nav__cta).is-active{color:var(--navy);font-weight:600}
.nav a:not(.nav__cta).is-active::after{
  content:'';position:absolute;left:0;right:0;bottom:-7px;height:2px;
  background:var(--gold);border-radius:2px;
}
.nav__cta{
  display:inline-flex;align-items:center;gap:.45rem;
  background:var(--wa);color:var(--white)!important;padding:10px 18px;border-radius:999px;
  font-family:var(--font-title);font-weight:600;
  box-shadow:0 12px 26px -14px rgba(37,211,102,.9);
}
.nav__cta svg{width:18px;height:18px;flex:0 0 18px}
.nav__cta:hover{background:#1FBA59;color:var(--white)!important}

.burger{display:none;width:42px;height:42px;border:0;background:transparent;cursor:pointer;padding:9px;flex-direction:column;justify-content:space-between}
.burger span{display:block;height:2px;background:var(--navy);border-radius:2px;transition:transform .3s ease,opacity .2s ease}
.burger.is-open span:nth-child(1){transform:translateY(10px) rotate(45deg)}
.burger.is-open span:nth-child(2){opacity:0}
.burger.is-open span:nth-child(3){transform:translateY(-10px) rotate(-45deg)}

/* ---------- Hero ---------- */
.hero{
  position:relative;padding:calc(var(--header-h) + 64px) 0 84px;
  background:
    radial-gradient(1000px 520px at 78% -8%, rgba(198,161,91,.16), transparent 62%),
    linear-gradient(180deg, var(--sand) 0%, var(--off) 72%);
  overflow:hidden;
}
.hero__inner{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.hero__lead{font-size:1.1rem;color:var(--ink-soft);max-width:34em}
.hero h1 em{font-style:normal;color:var(--gold);position:relative}

.hero__actions{display:flex;flex-wrap:wrap;gap:14px;margin:30px 0 34px}

.hero__trust{
  list-style:none;margin:0;padding:22px 0 0;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:14px 34px;
}
.hero__trust li{font-size:.9rem;color:var(--ink-soft);display:flex;align-items:center;gap:.45rem}
.hero__trust li::before{content:'';width:6px;height:6px;border-radius:50%;background:var(--gold)}
.hero__trust strong{color:var(--navy);font-weight:600}

.hero__media{position:relative}
.hero__photo{
  position:relative;border-radius:calc(var(--radius) * 1.6);overflow:hidden;
  background:linear-gradient(160deg,var(--navy) 0%,var(--navy-soft) 100%);
  box-shadow:var(--shadow-lg);aspect-ratio:4/5;
}
.hero__photo::after{
  content:'';position:absolute;inset:0;
  background:linear-gradient(200deg,transparent 55%,rgba(14,23,41,.35));
  pointer-events:none;
}
.hero__photo img{width:100%;height:100%;object-fit:cover;object-position:center top}
.hero__photo.is-empty::before{
  content:'IM';position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
  font-family:var(--font-title);font-size:5rem;font-weight:600;color:rgba(198,161,91,.35);letter-spacing:.1em;
}
.hero__badge{
  position:absolute;left:-18px;bottom:34px;background:var(--white);border-radius:var(--radius);
  padding:15px 20px;box-shadow:var(--shadow);display:flex;align-items:center;gap:13px;max-width:258px;
  border-left:3px solid var(--gold);
}
.hero__badge-ico{width:28px;height:28px;flex:0 0 28px;color:var(--gold)}
.hero__badge-txt{font-size:.82rem;color:var(--ink-soft);line-height:1.35}
.hero__badge-txt strong{display:block;font-family:var(--font-title);font-size:.95rem;color:var(--navy);font-weight:600}

/* ---------- Seções ---------- */
.section{padding:88px 0}
.section--soft{background:var(--sand)}
.section--navy{
  background:linear-gradient(165deg,var(--navy) 0%,var(--navy-deep) 100%);
  color:rgba(255,255,255,.82);
}
.section--navy h2,.section--navy h3{color:var(--white)}
.section--navy .section__lead{color:rgba(255,255,255,.7)}

.section__head{max-width:660px;margin:0 0 46px}
.section__lead{color:var(--ink-soft);font-size:1.05rem;margin:0}
.section__cta{margin-top:44px;text-align:center}

/* ---------- Grid de cards ---------- */
.grid{display:grid;gap:22px}
.grid--3{grid-template-columns:repeat(3,1fr)}
/* são 7 serviços: o último sobra sozinho na 3ª linha. Sem isso ele fica
   encostado na margem esquerda e a seção parece quebrada. */
.grid--3 > :last-child:nth-child(3n+1){grid-column:2}

.card{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
  padding:30px 26px 28px;transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
  position:relative;overflow:hidden;
}
.card::before{
  content:'';position:absolute;inset:0 auto 0 0;width:3px;background:var(--gold);
  transform:scaleY(0);transform-origin:top;transition:transform .3s ease;
}
.card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:transparent}
.card:hover::before{transform:scaleY(1)}
.card__ico{
  display:flex;align-items:center;justify-content:center;width:52px;height:52px;margin-bottom:18px;
  border-radius:14px;background:var(--gold-soft);color:var(--navy);
}
.card__ico svg{width:28px;height:28px}
.card p{margin:0;color:var(--ink-soft);font-size:.97rem}

/* ---------- Checks ---------- */
.checks{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(2,1fr);gap:16px 34px}
.checks li{
  position:relative;padding:18px 20px 18px 56px;font-size:1rem;
  background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.09);border-radius:var(--radius-sm);
}
.checks li::before{
  content:'';position:absolute;left:20px;top:22px;width:18px;height:18px;border-radius:50%;
  background:var(--gold);
  -webkit-mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='%23000' d='m9.6 16.6-4.2-4.2 1.4-1.4 2.8 2.8 7-7 1.4 1.4z'/%3E%3C/svg%3E") center/contain no-repeat;
  mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='%23000' d='m9.6 16.6-4.2-4.2 1.4-1.4 2.8 2.8 7-7 1.4 1.4z'/%3E%3C/svg%3E") center/contain no-repeat;
}
.checks strong{color:var(--white);font-weight:600}

/* ---------- Passos ---------- */
.steps{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:26px;counter-reset:s}
.steps li{position:relative;padding:34px 26px 28px;background:var(--white);border:1px solid var(--line);border-radius:var(--radius)}
.steps__num{
  position:absolute;top:-16px;left:26px;font-family:var(--font-title);font-size:1rem;font-weight:700;
  color:var(--navy-deep);background:var(--gold);width:44px;height:44px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow);
}
.steps p{margin:0;color:var(--ink-soft);font-size:.97rem}

/* ---------- Sobre ---------- */
.about{display:grid;grid-template-columns:.85fr 1.15fr;gap:52px;align-items:center}
.about__media{
  border-radius:calc(var(--radius) * 1.4);overflow:hidden;box-shadow:var(--shadow-lg);
  background:linear-gradient(160deg,var(--navy) 0%,var(--navy-soft) 100%);aspect-ratio:4/5;position:relative;
}
.about__media img{width:100%;height:100%;object-fit:cover}
.about__media.is-empty::before{
  content:'IM';position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
  font-family:var(--font-title);font-size:4.4rem;font-weight:600;color:rgba(198,161,91,.35);letter-spacing:.1em;
}
.about__content p{color:var(--ink-soft)}
.about__list{list-style:none;margin:26px 0;padding:0;display:grid;gap:12px}
.about__list li{position:relative;padding-left:30px;font-size:.98rem;color:var(--ink)}
.about__list li::before{
  content:'';position:absolute;left:0;top:9px;width:14px;height:14px;border-radius:4px;
  border:2px solid var(--gold);
}
.link-ig{
  display:inline-flex;align-items:center;gap:.5rem;font-family:var(--font-title);font-weight:600;
  color:var(--navy);border-bottom:2px solid var(--gold);padding-bottom:2px;transition:color .2s ease;
}
.link-ig:hover{color:var(--gold)}

/* ---------- FAQ ---------- */
.faq{display:grid;gap:12px}
.faq details{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius-sm);
  padding:0 22px;transition:border-color .2s ease,box-shadow .2s ease;
}
.faq details[open]{border-color:var(--gold);box-shadow:var(--shadow)}
.faq summary{
  font-family:var(--font-title);font-weight:600;font-size:1.02rem;color:var(--navy);
  padding:20px 34px 20px 0;cursor:pointer;list-style:none;position:relative;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{
  content:'';position:absolute;right:2px;top:50%;width:11px;height:11px;margin-top:-7px;
  border-right:2px solid var(--gold);border-bottom:2px solid var(--gold);
  transform:rotate(45deg);transition:transform .25s ease;
}
.faq details[open] summary::after{transform:rotate(-135deg);margin-top:-3px}
.faq p{margin:0 0 20px;color:var(--ink-soft);font-size:.98rem}

/* ---------- Contato ---------- */
.contato{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:start}
.contato__intro p{color:rgba(255,255,255,.72)}
.contato__canais{list-style:none;margin:32px 0 0;padding:0;display:grid;gap:18px}
.contato__canais li{display:flex;flex-direction:column;gap:2px;padding-bottom:16px;border-bottom:1px solid rgba(255,255,255,.12)}
.contato__canais span{font-size:.72rem;letter-spacing:.16em;text-transform:uppercase;color:var(--gold-light)}
.contato__canais a,.contato__canais strong{color:var(--white);font-family:var(--font-title);font-weight:500;font-size:1.05rem;transition:color .2s ease;overflow-wrap:anywhere}
.contato__canais a:hover{color:var(--gold-light)}

.form{background:var(--white);border-radius:var(--radius);padding:32px 28px;box-shadow:var(--shadow-lg)}
.form__row{margin-bottom:18px;display:flex;flex-direction:column;gap:7px}
.form label{font-family:var(--font-title);font-size:.87rem;font-weight:500;color:var(--navy)}
.form input,.form select,.form textarea{
  width:100%;font-family:var(--font-body);font-size:1rem;color:var(--ink);
  padding:13px 15px;border:1.5px solid var(--line);border-radius:var(--radius-sm);
  background:var(--off);transition:border-color .2s ease,background .2s ease;
}
.form input::placeholder,.form textarea::placeholder{color:#9AA2B1}
.form input:focus,.form select:focus,.form textarea:focus{
  outline:none;border-color:var(--gold);background:var(--white);
}
.form input:user-invalid,.form select:user-invalid{border-color:#D96A5B}
.form textarea{resize:vertical;min-height:110px}
.form__nota{margin:14px 0 0;font-size:.8rem;color:var(--ink-soft);text-align:center}

/* ---------- Footer ---------- */
.footer{background:var(--navy-deep);color:rgba(255,255,255,.62);padding:44px 0 96px}
.footer__inner{display:flex;flex-wrap:wrap;gap:20px 40px;align-items:center;justify-content:space-between}
/* align-items:flex-start é obrigatório aqui: o stretch padrão do flex-column
   esticava o logo até a largura do container e, com altura fixa, ele deformava. */
.footer__brand{display:flex;flex-direction:column;align-items:flex-start;gap:10px;line-height:1.4}
/* abaixo de ~100px as linhas "ENGENHARIA CIVIL / LAUDOS…" viram borrão */
.footer__brand img{height:108px;width:auto;object-fit:contain}
@media (max-width:620px){ .footer__brand img{height:88px} }
.footer__brand span{font-size:.82rem;letter-spacing:.06em}
.footer__nav{display:flex;flex-wrap:wrap;gap:22px;font-size:.9rem}
.footer__nav a:hover{color:var(--gold-light)}
.footer__copy{width:100%;margin:0;padding-top:22px;border-top:1px solid rgba(255,255,255,.1);font-size:.8rem}

/* ---------- WhatsApp flutuante (só mobile/tablet — no desktop o header já
   mantém o CTA "Falar agora" visível, e o botão fixo cobria o texto) ---------- */
.wa-float{display:none}

@media (max-width:760px){
.wa-float{
  position:fixed;right:18px;bottom:18px;z-index:70;
  display:inline-flex;align-items:center;gap:.55rem;
  background:var(--wa);color:#fff;font-family:var(--font-title);font-weight:600;font-size:.95rem;
  padding:13px 20px;border-radius:999px;box-shadow:0 16px 34px -14px rgba(37,211,102,.75);
  transition:transform .2s ease;
}
.wa-float:hover{transform:translateY(-3px)}
.wa-float svg{width:22px;height:22px;flex:0 0 22px}
}

/* ---------- Rodapé precisa de folga só onde o botão fixo existe ---------- */
.footer{padding-bottom:44px}
@media (max-width:760px){ .footer{padding-bottom:96px} }

/* =========================================================
   Responsivo
   ========================================================= */
@media (max-width:960px){
  .hero__inner{grid-template-columns:1fr;gap:44px}
  .hero__media{max-width:420px;margin:0 auto}
  .hero__badge{left:0}
  .grid--3{grid-template-columns:repeat(2,1fr)}
  .grid--3 > :last-child:nth-child(3n+1){grid-column:auto}
  .steps{grid-template-columns:1fr}
  .steps li{padding-top:30px}
  .about{grid-template-columns:1fr;gap:36px}
  .about__media{max-width:360px}
  .contato{grid-template-columns:1fr;gap:38px}
  .checks{grid-template-columns:1fr}
}

@media (max-width:760px){
  .burger{display:flex}
  .nav{
    position:fixed;inset:var(--header-h) 0 auto;flex-direction:column;align-items:stretch;gap:0;
    background:var(--white);border-bottom:1px solid var(--line);padding:8px 22px 22px;
    box-shadow:0 24px 40px -28px rgba(22,35,61,.6);
    transform:translateY(-12px);opacity:0;pointer-events:none;transition:opacity .25s ease,transform .25s ease;
  }
  .nav.is-open{opacity:1;transform:none;pointer-events:auto}
  .nav a{padding:14px 0;border-bottom:1px solid var(--line);font-size:1rem}
  .nav__cta{margin-top:14px;text-align:center;border-bottom:0}
}

@media (max-width:620px){
  body{font-size:16px}
  /* o traço fica órfão quando o texto do eyebrow quebra em duas linhas */
  .eyebrow{flex-wrap:wrap}
  .eyebrow::after{display:none}
  .section{padding:64px 0}
  .grid--3{grid-template-columns:1fr}
  .hero{padding:calc(var(--header-h) + 44px) 0 64px}
  .hero__actions .btn{width:100%}
  .hero__badge{padding:13px 18px;bottom:16px}
  .form{padding:24px 20px}
  .footer{padding-bottom:104px}
  .wa-float span{display:none}
  .wa-float{padding:16px;right:16px;bottom:16px}
  .wa-float svg{width:26px;height:26px;flex-basis:26px}
}