/* ============================================================
   PO ARQUITETOS — Landing Page Arquitetura Residencial
   Mesmo sistema de design das LPs anteriores
   Paleta: #0D0D0D · #2B5FAD · #FFFFFF · #8A8A9A
   Fonte: Montserrat
============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Montserrat:ital,wght@0,300;0,400;0,500;0,600;0,700;0,800;1,300;1,400&display=swap');

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --black:       #0D0D0D;
  --black-soft:  #161616;
  --black-card:  #1E1E1E;
  --blue:        #2B5FAD;
  --blue-hover:  #1E4A8C;
  --blue-light:  #3D74C7;
  --white:       #FFFFFF;
  --gray-text:   #8A8A9A;
  --gray-light:  #C8C8D4;
  --border-dark: rgba(255,255,255,.08);
  --border-mid:  rgba(255,255,255,.14);
  --bg-light:    #F5F5F7;
  --bg-light2:   #EEEEF2;
  --border-light:#DDDDE5;
  --ff:    'Montserrat', sans-serif;
  --max:   1200px;
  --gap:   clamp(4rem, 9vw, 7rem);
  --r-sm:  6px;
  --r-md:  12px;
  --r-lg:  20px;
}

html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }

body {
  font-family: var(--ff);
  background: var(--black);
  color: var(--white);
  font-size: 16px;
  line-height: 1.65;
  overflow-x: hidden;
}

img { display: block; max-width: 100%; }
a   { color: inherit; text-decoration: none; }

.container { width: 92%; max-width: var(--max); margin: 0 auto; }
.section   { padding: var(--gap) 0; }
.section--light  { background: var(--bg-light);  color: var(--black); }
.section--light2 { background: var(--bg-light2); color: var(--black); }
.section--dark   { background: var(--black-soft); }

.eyebrow {
  display: inline-flex; align-items: center; gap: .5rem;
  font-size: .65rem; font-weight: 700; letter-spacing: .22em;
  text-transform: uppercase; color: var(--blue-light);
  margin-bottom: 1.2rem;
}
.eyebrow::before {
  content: ''; display: block;
  width: 18px; height: 2px; background: var(--blue);
}
.eyebrow--dark { color: var(--gray-text); }
.eyebrow--dark::before { background: var(--gray-text); }

h1, h2, h3, h4 {
  font-family: var(--ff); font-weight: 700;
  line-height: 1.15; letter-spacing: -.025em;
}
h1 { font-size: clamp(2.2rem, 5vw, 4rem); font-weight: 800; }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.8rem); }
h3 { font-size: 1rem; font-weight: 700; }

/* ── BOTÕES ── */
.btn {
  display: inline-flex; align-items: center; gap: .5rem;
  padding: .9rem 1.8rem; border-radius: var(--r-sm);
  font-family: var(--ff); font-size: .82rem; font-weight: 700;
  letter-spacing: .05em; text-transform: uppercase;
  cursor: pointer; border: none;
  transition: transform .18s, opacity .18s, background .2s;
}
.btn:hover { transform: translateY(-2px); }
.btn--blue   { background: var(--blue);  color: var(--white); }
.btn--blue:hover { background: var(--blue-hover); }
.btn--white  { background: var(--white); color: var(--black); }
.btn--white:hover { opacity: .88; }
.btn--outline {
  background: transparent;
  border: 1.5px solid rgba(255,255,255,.25);
  color: var(--white);
}
.btn--outline:hover { border-color: var(--white); }
.btn--lg   { padding: 1.1rem 2.4rem; font-size: .88rem; }
.btn--full { width: 100%; justify-content: center; }

/* ── NAVBAR ── */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 200;
  background: rgba(13,13,13,.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-dark);
  padding: 1rem 0;
  transition: box-shadow .3s;
}
.navbar .container { display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.nav-logo { display: flex; align-items: baseline; gap: .35rem; font-size: 1rem; font-weight: 700; letter-spacing: .08em; }
.nav-logo .po  { color: var(--blue-light); font-weight: 800; }
.nav-logo .arq { color: var(--white); font-weight: 600; }
.nav-logo .sub { font-size: .55rem; color: var(--gray-text); letter-spacing: .14em; font-weight: 500; align-self: center; }

/* ── HERO — fullscreen com foto ── */
.hero {
  min-height: 100svh;
  padding-top: 72px;
  position: relative;
  display: flex; align-items: center;
  overflow: hidden;
}

/* Foto de fundo */
.hero-bg {
  position: absolute; inset: 0;
  background-image: url('images/render-03.jpg');
  background-size: cover;
  background-position: center 30%;
  z-index: 0;
}
.hero-bg::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(
    105deg,
    rgba(13,13,13,.92) 0%,
    rgba(13,13,13,.75) 50%,
    rgba(13,13,13,.2) 100%
  );
}

.hero-content {
  position: relative; z-index: 1;
  padding: 5rem 0;
  max-width: 620px;
}

.hero-badge {
  display: inline-flex; align-items: center; gap: .55rem;
  background: rgba(43,95,173,.15);
  border: 1px solid rgba(43,95,173,.3);
  border-radius: 20px;
  padding: .35rem 1rem;
  font-size: .7rem; font-weight: 600; letter-spacing: .1em;
  color: var(--blue-light); text-transform: uppercase;
  margin-bottom: 1.8rem; width: fit-content;
}
.hero-badge::before {
  content: ''; width: 7px; height: 7px;
  background: var(--blue); border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: .5; transform: scale(.8); }
}

.hero h1 { margin-bottom: 1.4rem; }
.hero h1 span { color: var(--blue-light); display: block; }

.hero-sub {
  font-size: 1.05rem; color: var(--gray-light);
  font-weight: 300; line-height: 1.8;
  max-width: 500px; margin-bottom: 2.5rem;
}

.hero-ctas { display: flex; gap: 1rem; flex-wrap: wrap; margin-bottom: 3rem; }

.hero-trust {
  display: flex; gap: 2rem;
  padding-top: 2.5rem;
  border-top: 1px solid rgba(255,255,255,.12);
}
.trust-item { display: flex; flex-direction: column; }
.trust-num  {
  font-size: 1.8rem; font-weight: 800; color: var(--white); line-height: 1;
}
.trust-num span { color: var(--blue-light); }
.trust-label { font-size: .68rem; color: var(--gray-text); letter-spacing: .06em; margin-top: .2rem; }

/* ── SERVIÇOS ── */
.servicos-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem;
}
.servico-card {
  background: var(--black-card);
  border: 1px solid var(--border-dark);
  border-radius: var(--r-md);
  padding: 2rem 1.8rem;
  position: relative; overflow: hidden;
  transition: border-color .25s, transform .25s;
}
.servico-card::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: var(--blue); transform: scaleX(0); transform-origin: left;
  transition: transform .3s ease;
}
.servico-card:hover { border-color: rgba(43,95,173,.3); transform: translateY(-3px); }
.servico-card:hover::before { transform: scaleX(1); }
.servico-icon  { font-size: 1.8rem; margin-bottom: 1.2rem; }
.servico-card h3 { font-size: .95rem; margin-bottom: .6rem; }
.servico-card p  { font-size: .8rem; color: var(--gray-text); font-weight: 300; line-height: 1.65; }

/* ── PORTFOLIO / PROJETOS ── */
.portfolio-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: auto auto;
  gap: 1rem;
}
.proj-card {
  position: relative; overflow: hidden;
  border-radius: var(--r-md);
  background: var(--black-card);
  cursor: pointer;
}
.proj-card--main { grid-row: span 2; }

.proj-card img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .5s ease;
  display: block;
}
.proj-card--main img { min-height: 500px; }
.proj-card:not(.proj-card--main) img { height: 240px; }

.proj-card:hover img { transform: scale(1.04); }

.proj-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(13,13,13,.85) 0%, transparent 55%);
  display: flex; flex-direction: column; justify-content: flex-end;
  padding: 1.8rem;
  opacity: 0; transition: opacity .3s;
}
.proj-card:hover .proj-overlay { opacity: 1; }
.proj-overlay-always {
  position: absolute; bottom: 0; left: 0; right: 0;
  background: linear-gradient(to top, rgba(13,13,13,.8) 0%, transparent 100%);
  padding: 1.4rem 1.6rem;
}
.proj-tag {
  display: inline-block;
  background: rgba(43,95,173,.8);
  border-radius: 4px;
  padding: .2rem .65rem;
  font-size: .62rem; font-weight: 700; letter-spacing: .1em;
  color: var(--white); text-transform: uppercase;
  margin-bottom: .5rem;
}
.proj-overlay h3,
.proj-overlay-always h3 { font-size: .95rem; color: var(--white); margin-bottom: .2rem; }
.proj-overlay p,
.proj-overlay-always p  { font-size: .76rem; color: var(--gray-light); font-weight: 300; }

/* ── PROCESSO ── */
.processo-steps {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 1px; background: var(--border-dark);
  border-radius: var(--r-lg); overflow: hidden;
  border: 1px solid var(--border-dark);
}
.pstep {
  background: transparent; padding: 2.5rem 1.8rem; text-align: center;
  transition: background .25s;
}
.pstep:hover { background: rgba(255,255,255,.04); }
.pstep-num {
  width: 52px; height: 52px; border-radius: 50%;
  background: var(--blue); color: var(--white);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem; font-weight: 800; margin: 0 auto 1.2rem;
}
.pstep-icon { font-size: 1.6rem; margin-bottom: .8rem; }
.pstep h3 { font-size: .9rem; color: var(--white); margin-bottom: .4rem; }
.pstep p  { font-size: .78rem; color: var(--gray-text); font-weight: 300; line-height: 1.55; }

/* ── PORQUE NÓS ── */
.porque-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 5rem; align-items: center;
}
.porque-text h2 { margin-bottom: 1rem; }
.porque-text > p { color: var(--gray-light); font-weight: 300; font-size: .95rem; line-height: 1.8; margin-bottom: 2rem; }
.porque-items { display: flex; flex-direction: column; gap: .8rem; }
.porque-item {
  display: flex; align-items: flex-start; gap: 1rem;
  background: var(--black-card);
  border: 1px solid var(--border-dark);
  border-radius: var(--r-md);
  padding: 1.2rem 1.4rem;
  transition: border-color .2s;
}
.porque-item:hover { border-color: rgba(43,95,173,.3); }
.pi-icon {
  width: 38px; height: 38px; flex-shrink: 0;
  background: rgba(43,95,173,.15); border-radius: var(--r-sm);
  display: flex; align-items: center; justify-content: center; font-size: 1.1rem;
}
.pi-text h3 { font-size: .88rem; margin-bottom: .2rem; }
.pi-text p  { font-size: .78rem; color: var(--gray-text); font-weight: 300; line-height: 1.5; }

/* Stats visuais */
.porque-stats {
  background: var(--black-card);
  border: 1px solid var(--border-dark);
  border-radius: var(--r-lg); overflow: hidden;
}
.pstat-row {
  display: flex; align-items: center; gap: 1.5rem;
  padding: 1.6rem 2rem;
  border-bottom: 1px solid var(--border-dark);
  transition: background .2s;
}
.pstat-row:last-child { border-bottom: none; }
.pstat-row:hover { background: rgba(43,95,173,.06); }
.pstat-num {
  font-size: 2.2rem; font-weight: 800; color: var(--white);
  line-height: 1; min-width: 80px;
}
.pstat-num span { color: var(--blue-light); }
.pstat-label { font-size: .82rem; color: var(--gray-text); font-weight: 300; line-height: 1.4; }

/* ── TESTEMUNHOS ── */
.testi-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.testi-card {
  background: var(--black-card);
  border: 1px solid var(--border-dark);
  border-radius: var(--r-md); padding: 2rem 1.8rem;
  transition: border-color .2s;
}
.testi-card:hover { border-color: rgba(43,95,173,.3); }
.testi-stars { font-size: .85rem; letter-spacing: .08em; color: #F5A623; margin-bottom: 1rem; }
.testi-text  { font-size: .88rem; font-style: italic; font-weight: 300; color: var(--gray-light); line-height: 1.75; margin-bottom: 1.4rem; }
.testi-author { display: flex; align-items: center; gap: .8rem; }
.testi-ava {
  width: 38px; height: 38px; border-radius: 50%;
  background: rgba(43,95,173,.2); border: 1px solid rgba(43,95,173,.3);
  display: flex; align-items: center; justify-content: center;
  font-size: .85rem; font-weight: 700; color: var(--blue-light);
}
.testi-name { font-size: .83rem; font-weight: 600; }
.testi-loc  { font-size: .72rem; color: var(--gray-text); }

/* ── FORMULÁRIO CTA ── */
.cta-section {
  background: linear-gradient(135deg, var(--black-soft) 0%, #0A1628 100%);
  border-top: 1px solid var(--border-dark);
}
.cta-section .container {
  display: grid; grid-template-columns: 1fr 1.1fr; gap: 6rem; align-items: start;
}
.cta-info h2 { margin-bottom: 1rem; }
.cta-info h2 em { font-style: normal; color: var(--blue-light); }
.cta-info > p { color: var(--gray-light); font-weight: 300; margin-bottom: 2rem; font-size: .93rem; line-height: 1.8; }
.cta-perks { list-style: none; display: flex; flex-direction: column; gap: .7rem; }
.cta-perks li {
  display: flex; align-items: center; gap: .75rem;
  font-size: .87rem; color: var(--gray-light); font-weight: 300;
}
.cta-perks li::before {
  content: '✓'; width: 20px; height: 20px; border-radius: 50%;
  background: rgba(43,95,173,.2); border: 1px solid rgba(43,95,173,.3);
  display: flex; align-items: center; justify-content: center;
  font-size: .65rem; font-weight: 800; color: var(--blue-light); flex-shrink: 0;
}
.contact-form {
  background: rgba(255,255,255,.03);
  border: 1px solid var(--border-mid);
  border-radius: var(--r-lg);
  padding: 2.5rem 2.2rem;
  display: flex; flex-direction: column; gap: .85rem;
}
.form-title { font-size: 1.05rem; font-weight: 700; margin-bottom: .3rem; }
.form-sub   { font-size: .78rem; color: var(--gray-text); font-weight: 300; margin-bottom: .5rem; }
.form-row   { display: grid; grid-template-columns: 1fr 1fr; gap: .85rem; }
.field { display: flex; flex-direction: column; gap: .32rem; }
.field label { font-size: .63rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; color: var(--gray-text); }
.field input,
.field textarea,
.field select {
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: var(--r-sm);
  padding: .82rem 1rem;
  color: var(--white); font-family: var(--ff); font-size: .88rem; font-weight: 400;
  outline: none; width: 100%; -webkit-appearance: none;
  transition: border-color .2s, background .2s;
}
.field textarea { resize: vertical; }
.field select option { background: #1a1a2e; color: var(--white); }
.field input:focus,
.field textarea:focus,
.field select:focus { border-color: var(--blue); background: rgba(43,95,173,.08); }
.field input::placeholder,
.field textarea::placeholder { color: rgba(255,255,255,.2); }
.form-disclaimer { font-size: .67rem; color: rgba(255,255,255,.22); line-height: 1.65; }
.form-success {
  display: none; text-align: center; padding: 2rem;
  color: var(--blue-light);
  border: 1px solid rgba(43,95,173,.3);
  border-radius: var(--r-md);
  background: rgba(43,95,173,.08);
}
.form-success .check { font-size: 2.5rem; margin-bottom: .8rem; }
.form-success strong { display: block; font-size: 1.1rem; color: var(--white); margin-bottom: .5rem; }

/* ── FAQ ── */
.faq .container { max-width: 760px; }
.faq-header { text-align: center; margin-bottom: 3rem; }
.faq-list {}
.faq-item { border-bottom: 1px solid var(--border-dark); }
.faq-q {
  width: 100%; background: none; border: none; cursor: pointer;
  display: flex; justify-content: space-between; align-items: center;
  padding: 1.3rem 0; text-align: left;
  font-family: var(--ff); font-size: .95rem; font-weight: 600;
  color: var(--white); gap: 1rem;
}
.faq-icon {
  width: 28px; height: 28px; border-radius: 50%; flex-shrink: 0;
  border: 1.5px solid var(--border-dark);
  display: flex; align-items: center; justify-content: center;
  font-size: .9rem; color: var(--blue-light);
  transition: transform .3s, background .2s, border-color .2s;
}
.faq-item.open .faq-icon { transform: rotate(45deg); background: var(--blue); border-color: var(--blue); color: var(--white); }
.faq-a {
  max-height: 0; overflow: hidden;
  transition: max-height .35s ease, padding .3s ease;
  font-size: .88rem; color: var(--gray-light); line-height: 1.8; font-weight: 300;
}
.faq-item.open .faq-a { max-height: 300px; padding-bottom: 1.3rem; }

/* ── FOOTER ── */
.footer {
  background: var(--black);
  border-top: 1px solid var(--border-dark);
  padding: 2rem 0;
}
.footer .container { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 1rem; }
.footer-logo { display: flex; align-items: baseline; gap: .3rem; font-size: .9rem; font-weight: 700; }
.footer-logo .po { color: var(--blue-light); font-weight: 800; }
.footer-copy { font-size: .75rem; color: var(--gray-text); font-weight: 300; }
.footer-links { display: flex; gap: 1.5rem; }
.footer-links a { font-size: .75rem; color: var(--gray-text); transition: color .2s; }
.footer-links a:hover { color: var(--white); }

/* ── REVEAL ── */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .6s ease, transform .6s ease; }
.reveal.visible { opacity: 1; transform: none; }
.reveal-delay-1 { transition-delay: .1s; }
.reveal-delay-2 { transition-delay: .2s; }
.reveal-delay-3 { transition-delay: .3s; }

/* ── RESPONSIVE ── */
@media (max-width: 1024px) {
  .servicos-grid { grid-template-columns: 1fr 1fr; }
  .portfolio-grid { grid-template-columns: 1fr; }
  .proj-card--main { grid-row: span 1; }
  .proj-card--main img { min-height: 320px; }
  .porque-grid { grid-template-columns: 1fr; gap: 3rem; }
  .cta-section .container { grid-template-columns: 1fr; gap: 3rem; }
  .testi-grid { grid-template-columns: 1fr 1fr; }
  .processo-steps { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  :root { --gap: 3rem; }
  h1 { font-size: 2rem; }
  h2 { font-size: 1.65rem; }
  .servicos-grid { grid-template-columns: 1fr; }
  .testi-grid { grid-template-columns: 1fr; }
  .processo-steps { grid-template-columns: 1fr; border-radius: var(--r-md); }
  .hero-trust { gap: 1.5rem; }
  .trust-num { font-size: 1.5rem; }
  .hero-ctas { flex-direction: column; }
  .hero-ctas .btn { width: 100%; justify-content: center; }
  .form-row { grid-template-columns: 1fr; }
  .footer .container { flex-direction: column; text-align: center; }
  .footer-links { justify-content: center; }
}