/* ═══════════════════════════════════════════════════
   CONCRETIZA ENGENHARIA — style.css
   Fonte base: Open Sans (Google Fonts)
════════════════════════════════════════════════════ */

/* ── CUSTOM PROPERTIES ───────────────────────────── */
:root {
  --sw:      240px;
  --dark:    #181f27;
  --sidebar: #1b2229;
  --sid-hov: #222b34;
  --green:   #4a8a5a;
  --green-l: #5da870;
  --green-a: #7ecb8e;
  --wa:      #25d366;
  --txt-l:   #c4cdd6;
  --txt-m:   #7a8894;
  --bg:      #f1f2ee;
  --bg-alt:  #e7e8e4;
  --body-c:  #2a3038;
  --font:    'Open Sans', sans-serif;
  --display: 'Inter', sans-serif;
  --tr:      all .3s ease;
  --sh:      0 4px 24px rgba(0,0,0,.08);
  --sh2:     0 8px 40px rgba(0,0,0,.14);
}

/* ── RESET & BASE ────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html  { scroll-behavior: smooth; }
body  { font-family: var(--font); background: var(--bg); color: var(--body-c); overflow-x: hidden; }
img   { max-width: 100%; display: block; }
a     { text-decoration: none; color: inherit; }

/* ── SIDEBAR ─────────────────────────────────────── */
.sidebar {
  position: fixed; top: 0; left: 0;
  width: var(--sw); height: 100vh;
  background: var(--sidebar);
  display: flex; flex-direction: column;
  z-index: 1000;
  transition: transform .4s cubic-bezier(.4,0,.2,1);
}

.sidebar-overlay {
  display: none; position: fixed; inset: 0;
  background: rgba(0,0,0,.6); z-index: 999;
  backdrop-filter: blur(3px);
}

.sidebar-logo {
  padding: 22px 20px;
  border-bottom: 1px solid rgba(255,255,255,.06);
  display: flex;
  justify-content: center;
  align-items: center;
}

.sidebar-logo img {
  width: 144px;
  height: auto;
  display: block;
}

.sidebar-nav { flex: 1; padding: 22px 0; overflow-y: auto; }

.sidebar-nav a {
  display: flex; align-items: center; gap: 13px;
  padding: 13px 28px;
  color: var(--txt-l); font-size: 11.5px; font-weight: 700;
  font-family: var(--font);
  letter-spacing: 1.8px; text-transform: uppercase;
  transition: var(--tr); position: relative;
}

.sidebar-nav a::before {
  content: ''; position: absolute; left: 0; top: 50%;
  transform: translateY(-50%) scaleY(0);
  width: 3px; height: 55%;
  background: var(--green-l);
  border-radius: 0 2px 2px 0;
  transition: transform .2s ease;
}

.sidebar-nav a:hover,
.sidebar-nav a.active { color: #fff; background: var(--sid-hov); }

.sidebar-nav a:hover::before,
.sidebar-nav a.active::before { transform: translateY(-50%) scaleY(1); }

.sidebar-nav a i { width: 20px; color: var(--green-a); font-size: 17px; line-height: 1; flex-shrink: 0; }

.sidebar-wa {
  background: #4a8a5a; padding: 17px 28px;
  display: flex; align-items: center; gap: 13px;
  cursor: pointer; transition: background .25s;
  text-decoration: none;
}
.sidebar-wa:hover { background: #3d7549; }
.sidebar-wa i { font-size: 22px; color: #fff; }
.sidebar-wa-txt { color: #fff; font-family: var(--font); }
.sidebar-wa-txt span  { display: block; font-size: 9.5px; letter-spacing: 1.5px; text-transform: uppercase; opacity: .8; }
.sidebar-wa-txt strong { font-size: 14px; font-weight: 700; }

/* ── MAIN ────────────────────────────────────────── */
.main { margin-left: var(--sw); min-height: 100vh; }

/* ── HERO ────────────────────────────────────────── */
.hero-swiper { height: 100vh; min-height: 560px; }
.hero-swiper .swiper-slide { position: relative; overflow: hidden; }

.slide-bg {
  position: absolute; inset: 0;
  background-size: cover; background-position: center;
  transform: scale(1.06); transition: transform 7s ease;
}
.swiper-slide-active .slide-bg { transform: scale(1); }

.slide-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(120deg, rgba(20,28,36,.88) 0%, rgba(20,28,36,.35) 65%, transparent 100%);
}

.slide-content {
  position: relative; z-index: 2; height: 100%;
  display: flex; flex-direction: column; justify-content: center;
  padding: 0 72px; max-width: 680px;
}

.slide-label {
  color: var(--green-a); font-size: 11px; font-weight: 700;
  font-family: var(--font);
  letter-spacing: 4px; text-transform: uppercase; margin-bottom: 18px;
  opacity: 0; transform: translateY(16px);
  transition: opacity .6s ease .3s, transform .6s ease .3s;
}
.slide-title {
  font-family: var(--display); color: #fff;
  font-size: clamp(30px, 4vw, 54px); font-weight: 800; line-height: 1.15;
  margin-bottom: 22px;
  opacity: 0; transform: translateY(26px);
  transition: opacity .7s ease .5s, transform .7s ease .5s;
}
.slide-desc {
  color: rgba(255,255,255,.78); font-size: 15px; line-height: 1.75;
  font-family: var(--font);
  margin-bottom: 34px; max-width: 460px;
  opacity: 0; transform: translateY(16px);
  transition: opacity .6s ease .7s, transform .6s ease .7s;
}
.slide-cta {
  display: inline-flex; align-items: center; gap: 10px;
  background: var(--green); color: #fff;
  padding: 13px 30px; font-size: 12px; font-weight: 700;
  font-family: var(--font);
  letter-spacing: 2px; text-transform: uppercase; border-radius: 2px;
  opacity: 0; transform: translateY(16px);
  transition: background .3s, opacity .6s ease .9s, transform .6s ease .9s;
}
.slide-cta:hover { background: var(--green-l); }

.swiper-slide-active .slide-label,
.swiper-slide-active .slide-title,
.swiper-slide-active .slide-desc,
.swiper-slide-active .slide-cta { opacity: 1; transform: translateY(0); }

.hero-counter {
  position: absolute; bottom: 44px; left: 72px; z-index: 10;
  color: rgba(255,255,255,.5); font-size: 12px; font-weight: 600;
  font-family: var(--font);
  letter-spacing: 2px; display: flex; align-items: center; gap: 7px;
}
.hero-counter-n { color: #fff; font-family: var(--display); font-size: 26px; font-weight: 700; }

.hero-nav {
  position: absolute; bottom: 44px; right: 60px; z-index: 10;
  display: flex; gap: 10px;
}
.hero-nav-btn {
  width: 46px; height: 46px; border: 1px solid rgba(255,255,255,.25);
  background: rgba(255,255,255,.07); color: #fff; font-size: 14px;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; border-radius: 2px; transition: var(--tr);
  backdrop-filter: blur(4px);
}
.hero-nav-btn:hover { background: var(--green); border-color: var(--green); }

.scroll-hint {
  position: absolute; bottom: 52px; left: 50%; transform: translateX(-50%);
  z-index: 10; display: flex; flex-direction: column; align-items: center; gap: 7px;
  color: rgba(255,255,255,.35); font-size: 9.5px; letter-spacing: 2.5px; text-transform: uppercase;
  font-family: var(--font);
}
.scroll-line {
  width: 1px; height: 38px;
  background: linear-gradient(to bottom, rgba(255,255,255,.35), transparent);
  animation: pulse 2s ease infinite;
}
@keyframes pulse { 0%,100%{opacity:.4} 50%{opacity:1} }

/* ── SECTION BASE ────────────────────────────────── */
.sec { padding: 96px 80px; }

.sec-lbl {
  display: block; color: var(--green); font-size: 10.5px;
  font-weight: 700; font-family: var(--font);
  letter-spacing: 4px; text-transform: uppercase; margin-bottom: 11px;
}
.sec-title {
  font-family: var(--display);
  font-size: clamp(26px, 3vw, 40px);
  font-weight: 800; color: var(--body-c); line-height: 1.2; margin-bottom: 18px;
}
.sec-divider { width: 44px; height: 3px; background: var(--green); margin-bottom: 28px; }
.sec-text { font-size: 15px; line-height: 1.88; color: #556070; max-width: 620px; font-family: var(--font); }
.sec-center { text-align: center; }
.sec-center .sec-divider { margin: 0 auto 28px; }

/* ── ABOUT ───────────────────────────────────────── */
#sobre { background: #fff; }

.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }

.about-img-wrap { position: relative; }
.about-img-wrap img { width: 100%; height: 480px; object-fit: cover; border-radius: 2px; }

.about-accent {
  display: none; position: absolute; bottom: -18px; right: -18px;
  width: 130px; height: 130px; background: var(--green); z-index: -1; border-radius: 2px;
}
.about-badge {
  position: absolute; top: 28px; left: -18px;
  background: var(--dark); color: #fff; padding: 18px 22px;
  text-align: center; border-radius: 2px; z-index: 2;
}
.about-badge .yr {
  font-family: var(--display); font-size: 34px; font-weight: 900;
  color: var(--green-a); line-height: 1;
}
.about-badge .yr-l {
  font-size: 9px; font-family: var(--font);
  letter-spacing: 2px; text-transform: uppercase; opacity: .55; margin-top: 3px;
}
.about-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; margin-top: 44px; }
.about-stat  {}
.about-stat .n { font-family: var(--display); font-size: 30px; font-weight: 800; line-height: 1; }
.about-stat .l { font-size: 11px; font-family: var(--font); color: var(--txt-m); letter-spacing: 1px; text-transform: uppercase; margin-top: 3px; }

/* ── SERVICES ────────────────────────────────────── */
#servicos { background: var(--bg); }

.svc-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 22px; margin-top: 56px; }

.svc-card {
  background: #fff; padding: 38px 30px; border-radius: 2px;
  transition: var(--tr); position: relative; overflow: hidden;
}
.svc-card::after {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, var(--green), var(--green-a));
  transform: scaleX(0); transition: transform .3s ease;
}
.svc-card:hover { transform: translateY(-5px); box-shadow: var(--sh2); }
.svc-card:hover::after { transform: scaleX(1); }

.svc-icon {
  width: 52px; height: 52px; border-radius: 2px; margin-bottom: 22px;
  background: var(--green);
  display: flex; align-items: center; justify-content: center;
}
.svc-icon i { font-size: 20px; color: #fff; }
.svc-card h3 { font-size: 12.5px; font-weight: 700; font-family: var(--font); letter-spacing: 1.2px; text-transform: uppercase; margin-bottom: 12px; }
.svc-card p  { font-size: 13.5px; line-height: 1.82; color: #627080; font-family: var(--font); }

/* ── DIFERENCIAIS ────────────────────────────────── */
#diferenciais { background: var(--dark); position: relative; overflow: hidden; }
#diferenciais::before {
  content: ''; position: absolute; inset: 0;
  background: url('imagens/slide/slide1.png') center/cover no-repeat; opacity: .06;
}
#diferenciais .sec-title { color: #fff; }

.dif-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 28px; margin-top: 56px; position: relative; }

.dif-item {
  padding: 36px 26px; border: 1px solid rgba(255,255,255,.07); border-radius: 2px;
  text-align: center;
  transition: transform .5s cubic-bezier(.22,1,.36,1),
              background .5s cubic-bezier(.22,1,.36,1),
              border-color .5s cubic-bezier(.22,1,.36,1),
              box-shadow .5s cubic-bezier(.22,1,.36,1);
}
.dif-item:hover {
  background: rgba(255,255,255,.05);
  border-color: var(--green);
  transform: translateY(-6px);
  box-shadow: 0 12px 40px rgba(0,0,0,.3), 0 0 0 1px rgba(74,138,90,.25);
}
.dif-item i {
  font-size: 34px; color: var(--green-a); margin-bottom: 18px; display: block;
  transition: transform .5s cubic-bezier(.22,1,.36,1), color .5s ease;
}
.dif-item:hover i { transform: scale(1.18); color: var(--green-l); }
.dif-item h3 { color: #fff; font-size: 13px; font-weight: 700; font-family: var(--font); letter-spacing: 1px; text-transform: uppercase; margin-bottom: 10px; }
.dif-item p  { color: rgba(255,255,255,.55); font-size: 13.5px; line-height: 1.8; font-family: var(--font); }

/* ── PROJECTS ────────────────────────────────────── */
#projetos { background: #fff; }

.proj-header { display: flex; align-items: flex-end; justify-content: space-between; flex-wrap: wrap; gap: 20px; }
.proj-grid   { display: grid; grid-template-columns: repeat(3,1fr); gap: 26px; margin-top: 56px; }

.proj-ver-mais { text-align: center; margin-top: 52px; }
.btn-ver-mais {
  display: inline-flex; align-items: center; gap: 10px;
  border: 2px solid var(--green); color: var(--green);
  padding: 13px 32px; border-radius: 2px;
  font-size: 13px; font-weight: 700; letter-spacing: 1px; text-transform: uppercase;
  font-family: var(--font); transition: background .3s, color .3s;
  text-decoration: none;
}
.btn-ver-mais:hover { background: var(--green); color: #fff; }

.proj-card {
  position: relative; overflow: hidden; border-radius: 2px;
  cursor: pointer; aspect-ratio: 4/3; background: #2d3436;
}
.proj-card-img {
  position: absolute; inset: 0;
  width: 100%; height: 100%; object-fit: cover;
  transition: transform .6s ease;
}
.proj-card:hover .proj-card-img { transform: scale(1.06); }

.proj-card-ov {
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(18,26,34,.92) 0%, rgba(18,26,34,.18) 55%, transparent 100%);
}
.proj-card-body { position: absolute; bottom: 0; left: 0; right: 0; padding: 24px; z-index: 2; }

.proj-tag  { color: var(--green-a); font-size: 9.5px; font-weight: 700; font-family: var(--font); letter-spacing: 3px; text-transform: uppercase; margin-bottom: 6px; }
.proj-name { color: #fff; font-size: 17px; font-weight: 700; font-family: var(--font); margin-bottom: 14px; line-height: 1.3; }

.proj-arrow {
  display: inline-flex; align-items: center; gap: 7px;
  background: var(--green); color: #fff;
  padding: 9px 18px; font-size: 11px; font-weight: 700;
  font-family: var(--font);
  letter-spacing: 1.5px; text-transform: uppercase; border-radius: 2px;
  transform: translateY(8px); opacity: 0; transition: all .3s ease;
}
.proj-card:hover .proj-arrow { transform: translateY(0); opacity: 1; }

/* ── MODAL ───────────────────────────────────────── */
.modal-wrap {
  position: fixed; inset: 0; background: rgba(8,12,18,.96); z-index: 9000;
  display: flex; align-items: center; justify-content: center;
  padding: 40px; opacity: 0; pointer-events: none; transition: opacity .3s ease;
}
.modal-wrap.on { opacity: 1; pointer-events: all; }

.modal-box {
  background: #1a2028; width: 100%; max-width: 1080px; max-height: 88vh;
  border-radius: 2px; overflow: hidden; display: flex; flex-direction: column;
  transform: scale(.96) translateY(18px); transition: transform .3s ease;
}
.modal-wrap.on .modal-box { transform: scale(1) translateY(0); }

.modal-head {
  padding: 26px 34px; border-bottom: 1px solid rgba(255,255,255,.07);
  display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; flex-shrink: 0;
}
.modal-title { color: #fff; font-family: var(--display); font-size: 24px; font-weight: 700; margin-bottom: 5px; }
.modal-desc  { color: rgba(255,255,255,.5); font-size: 13.5px; line-height: 1.65; max-width: 560px; font-family: var(--font); }

.modal-close {
  width: 38px; height: 38px; border: 1px solid rgba(255,255,255,.14);
  background: transparent; color: rgba(255,255,255,.55); font-size: 16px;
  border-radius: 2px; cursor: pointer; display: flex; align-items: center; justify-content: center;
  flex-shrink: 0; transition: var(--tr);
}
.modal-close:hover { background: rgba(255,255,255,.1); color: #fff; }

.modal-gal  { padding: 24px 34px; overflow-y: auto; flex: 1; }
.modal-main {
  width: 100%; height: 420px; object-fit: cover; border-radius: 2px;
  margin-bottom: 14px; cursor: zoom-in; transition: opacity .25s;
}
.modal-thumbs { display: grid; grid-template-columns: repeat(auto-fill,minmax(110px,1fr)); gap: 9px; }
.modal-thumb  {
  aspect-ratio: 4/3; object-fit: cover; border-radius: 2px;
  cursor: pointer; opacity: .55; border: 2px solid transparent; transition: var(--tr);
}
.modal-thumb:hover,
.modal-thumb.on { opacity: 1; border-color: var(--green); }

/* ── LIGHTBOX ────────────────────────────────────── */
.lb {
  position: fixed; inset: 0; background: rgba(0,0,0,.97); z-index: 9999;
  display: flex; align-items: center; justify-content: center;
  opacity: 0; pointer-events: none; transition: opacity .2s;
}
.lb.on { opacity: 1; pointer-events: all; }
.lb img { max-width: 92vw; max-height: 90vh; object-fit: contain; border-radius: 2px; }

.lb-close {
  position: absolute; top: 22px; right: 28px; background: transparent;
  border: none; color: rgba(255,255,255,.65); font-size: 26px; cursor: pointer; transition: color .2s;
}
.lb-close:hover { color: #fff; }

.lb-nav {
  position: absolute; top: 50%; transform: translateY(-50%);
  background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.18);
  color: #fff; width: 50px; height: 50px; border-radius: 2px;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; font-size: 17px; transition: var(--tr);
}
.lb-nav:hover { background: var(--green); border-color: var(--green); }
.lb-prev { left: 22px; }
.lb-next { right: 22px; }

/* ── LOCATION ────────────────────────────────────── */
#localizacao { background: var(--bg); }

.loc-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 72px; align-items: center; margin-top: 52px; }

.loc-item { display: flex; gap: 18px; margin-bottom: 28px; }
.loc-icon {
  width: 46px; height: 46px; background: var(--green); border-radius: 2px; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
}
.loc-icon i { color: #fff; font-size: 17px; }
.loc-text strong { display: block; font-size: 12px; font-weight: 700; font-family: var(--font); letter-spacing: 1px; text-transform: uppercase; margin-bottom: 3px; }
.loc-text span   { font-size: 14.5px; color: #556070; line-height: 1.6; font-family: var(--font); }

.btn-map {
  display: inline-flex; align-items: center; gap: 9px;
  background: var(--green); color: #fff;
  padding: 13px 28px; border-radius: 2px; font-size: 12px; font-weight: 700;
  font-family: var(--font);
  letter-spacing: 1.5px; text-transform: uppercase; margin-top: 8px; transition: background .3s;
}
.btn-map:hover { background: var(--green-l); }

.loc-map { border-radius: 2px; overflow: hidden; height: 360px; box-shadow: var(--sh); }
.loc-map iframe { width: 100%; height: 100%; border: none; }

/* ── CONTACT ─────────────────────────────────────── */
#contato {
  background-color: var(--dark);
  background-image:
    linear-gradient(rgba(74,138,90,.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(74,138,90,.06) 1px, transparent 1px);
  background-size: 40px 40px;
}
#contato .sec-title { color: #fff; }

.ct-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 72px; margin-top: 52px; }
.ct-form { display: flex; flex-direction: column; gap: 15px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 15px; }

.fg { display: flex; flex-direction: column; gap: 7px; }
.fg label { font-size: 10px; font-weight: 700; font-family: var(--font); letter-spacing: 2px; text-transform: uppercase; color: rgba(255,255,255,.42); }

.fg input,
.fg textarea,
.fg select {
  background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.1);
  color: #fff; padding: 13px 17px; font-family: var(--font); font-size: 13.5px;
  border-radius: 2px; outline: none; transition: border-color .2s;
}
.fg input::placeholder,
.fg textarea::placeholder { color: rgba(255,255,255,.22); }
.fg input:focus,
.fg textarea:focus,
.fg select:focus  { border-color: var(--green); }
.fg textarea      { resize: vertical; min-height: 110px; }
.fg select option { background: var(--dark); }

.btn-send {
  display: inline-flex; align-items: center; gap: 9px;
  background: var(--green); color: #fff; border: none;
  padding: 15px 34px; font-family: var(--font); font-size: 12px;
  font-weight: 700; letter-spacing: 2px; text-transform: uppercase;
  border-radius: 2px; cursor: pointer; align-self: flex-start; transition: var(--tr);
}
.btn-send:hover         { background: var(--green-l); transform: translateX(3px); }
.btn-send.loading       { opacity: .65; pointer-events: none; }

.ct-info h3    { color: #fff; font-size: 19px; font-weight: 700; font-family: var(--font); margin-bottom: 8px; }
.ct-info > p   { color: rgba(255,255,255,.48); font-size: 13.5px; line-height: 1.75; margin-bottom: 36px; font-family: var(--font); }

.ct-info-only  { max-width: 520px; margin: 48px auto 0; }

.ct-det { display: flex; align-items: center; gap: 15px; padding: 16px 0; border-bottom: 1px solid rgba(255,255,255,.07); }
.ct-det:last-of-type { border-bottom: none; }
.ct-det i        { color: var(--green-a); font-size: 17px; width: 22px; }
.ct-det strong   { display: block; color: #fff; font-size: 13.5px; margin-bottom: 2px; font-family: var(--font); }
.ct-det span     { color: rgba(255,255,255,.45); font-size: 12.5px; font-family: var(--font); }

.wa-btn {
  display: inline-flex; align-items: center; gap: 10px;
  background: var(--wa); color: #fff; padding: 15px 26px;
  border-radius: 2px; font-size: 12.5px; font-weight: 700;
  font-family: var(--font);
  letter-spacing: 1px; text-transform: uppercase; margin-top: 32px;
  transition: filter .2s;
}
.wa-btn:hover { filter: brightness(1.1); }
.wa-btn i { font-size: 17px; }

/* ── FOOTER ──────────────────────────────────────── */
footer {
  background: #0f151c; padding: 28px 80px;
  display: flex; align-items: center; justify-content: space-between;
  border-top: 1px solid rgba(255,255,255,.05);
}
footer p { color: rgba(255,255,255,.3); font-size: 11.5px; font-family: var(--font); letter-spacing: .8px; }
.foot-links { display: flex; gap: 22px; }
.foot-links a { color: rgba(255,255,255,.3); font-size: 11.5px; font-family: var(--font); letter-spacing: .8px; transition: color .2s; }
.foot-links a:hover { color: var(--green-a); }

/* ── MOBILE TOGGLE ───────────────────────────────── */
.menu-btn {
  display: none; position: fixed; top: 18px; left: 18px; z-index: 1100;
  width: 42px; height: 42px; background: var(--dark); border: none;
  border-radius: 2px; cursor: pointer; flex-direction: column;
  align-items: center; justify-content: center; gap: 5px;
}
.menu-btn span { display: block; width: 20px; height: 2px; background: #fff; transition: var(--tr); }
.menu-btn.open span:nth-child(1) { transform: rotate(45deg) translate(5px,5px); }
.menu-btn.open span:nth-child(2) { opacity: 0; }
.menu-btn.open span:nth-child(3) { transform: rotate(-45deg) translate(5px,-5px); }

/* ── MOBILE BOTTOM BAR ───────────────────────────── */
.mob-bar {
  display: none; position: fixed; bottom: 0; left: 0; right: 0; z-index: 998;
  background: var(--dark); border-top: 1px solid rgba(255,255,255,.08);
}
.mob-bar-inner { display: grid; grid-template-columns: 1fr 1fr; }
.mob-bar-btn {
  display: flex; align-items: center; justify-content: center; gap: 8px;
  padding: 13px; color: #fff; font-size: 11.5px; font-weight: 700;
  font-family: var(--font); letter-spacing: .5px; transition: filter .2s;
}
.mob-bar-btn:first-child { background: var(--green); }
.mob-bar-btn:last-child  { background: var(--wa); }
.mob-bar-btn:hover       { filter: brightness(1.1); }

/* ═══════════════════════════════════════════════════
   LOADING SCREEN
════════════════════════════════════════════════════ */
#loader {
  position: fixed;
  inset: 0;
  z-index: 99999;
  background: var(--dark);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  transition: opacity .55s ease, visibility .55s ease;
}

#loader.ldr-out {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

/* Grade estilo blueprint */
.ldr-bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(74,138,90,.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(74,138,90,.06) 1px, transparent 1px);
  background-size: 40px 40px;
  animation: ldrGridPulse 3s ease infinite;
}
@keyframes ldrGridPulse {
  0%,100% { opacity: .5; }
  50%      { opacity: 1; }
}

/* Inner container */
.ldr-inner {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 36px;
}

/* Logo */
.ldr-logo {
  opacity: 0;
  transform: translateY(-12px);
  animation: ldrFadeDown .5s cubic-bezier(.22,1,.36,1) .1s forwards;
}
.ldr-logo img {
  width: 144px;
  height: auto;
}
@keyframes ldrFadeDown {
  to { opacity: 1; transform: translateY(0); }
}

/* ── BUILDING ANIMATION ──────────────────────────── */
.ldr-building {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
  opacity: 0;
  animation: ldrFadeIn .3s ease .4s forwards;
}
@keyframes ldrFadeIn {
  to { opacity: 1; }
}

/* Andares */
.ldr-floors {
  display: flex;
  flex-direction: column-reverse;
  align-items: center;
  gap: 5px;
  margin-top: 6px;
}

.ldr-floor {
  height: 11px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--green), var(--green-l));
  transform: scaleX(0);
  transform-origin: center bottom;
}

.ldr-f1 { width: 130px; animation: ldrBuild .28s cubic-bezier(.22,1,.36,1) 1.2s forwards; }
.ldr-f2 { width: 108px; animation: ldrBuild .28s cubic-bezier(.22,1,.36,1) 1.42s forwards; }
.ldr-f3 { width:  88px; animation: ldrBuild .28s cubic-bezier(.22,1,.36,1) 1.62s forwards; }
.ldr-f4 { width:  68px; animation: ldrBuild .28s cubic-bezier(.22,1,.36,1) 1.8s forwards; }
.ldr-f5 { width:  48px; animation: ldrBuild .28s cubic-bezier(.22,1,.36,1) 1.97s forwards; }

@keyframes ldrBuild {
  0%   { transform: scaleX(0); opacity: .4; }
  60%  { transform: scaleX(1.06); }
  100% { transform: scaleX(1); opacity: 1; }
}

/* Texto com pontilhado animado */
.ldr-text {
  color: rgba(255,255,255,.38);
  font-family: var(--font);
  font-size: 11px;
  letter-spacing: 3px;
  text-transform: uppercase;
  opacity: 0;
  animation: ldrFadeIn .4s ease 1.4s forwards;
}


/* ── SCROLLBAR PERSONALIZADA ─────────────────────── */
html {
  scrollbar-width: thin;
  scrollbar-color: var(--green) var(--bg-alt);
}
::-webkit-scrollbar          { width: 5px; height: 5px; }
::-webkit-scrollbar-track    { background: var(--bg-alt); }
::-webkit-scrollbar-thumb    { background: var(--green); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--green-l); }

.sidebar::-webkit-scrollbar          { width: 3px; }
.sidebar::-webkit-scrollbar-track    { background: var(--sidebar); }
.sidebar::-webkit-scrollbar-thumb    { background: rgba(255,255,255,.15); border-radius: 4px; }
.sidebar::-webkit-scrollbar-thumb:hover { background: var(--green-a); }

/* ── ANIMAÇÕES DE SCROLL (IntersectionObserver custom) ── */

/* Estado inicial: invisível + deslocado */
[data-aos] {
  opacity: 0;
  will-change: opacity, transform;
  transition:
    opacity  0.75s cubic-bezier(0.22, 1, 0.36, 1),
    transform 0.75s cubic-bezier(0.22, 1, 0.36, 1);
}

[data-aos="fade-up"]    { transform: translateY(32px); }
[data-aos="fade-down"]  { transform: translateY(-32px); }
[data-aos="fade-right"] { transform: translateX(-36px); }
[data-aos="fade-left"]  { transform: translateX(36px); }

/* Delays de stagger */
[data-aos-delay="80"]  { transition-delay:  80ms; }
[data-aos-delay="120"] { transition-delay: 120ms; }
[data-aos-delay="160"] { transition-delay: 160ms; }
[data-aos-delay="200"] { transition-delay: 200ms; }
[data-aos-delay="240"] { transition-delay: 240ms; }

/* Estado animado: visível na posição original */
[data-aos].is-visible {
  opacity: 1;
  transform: translate(0, 0);
}

/* ── RESPONSIVE ──────────────────────────────────── */
@media (max-width: 1200px) {
  :root { --sw: 220px; }
  .svc-grid  { grid-template-columns: repeat(2,1fr); }
  .proj-grid { grid-template-columns: repeat(2,1fr); }
}

@media (max-width: 960px) {
  .sec,
  #sobre, #projetos, #localizacao, #contato { padding: 76px 48px; }
  footer { padding: 24px 48px; }
  .about-grid, .loc-grid, .ct-grid { grid-template-columns: 1fr; gap: 48px; }
  .about-img-wrap img { height: 360px; }
  .dif-grid { grid-template-columns: repeat(2,1fr); }
}

@media (max-width: 768px) {
  .sidebar           { transform: translateX(-100%); }
  .sidebar.open      { transform: translateX(0); }
  .sidebar-overlay.on { display: block; }
  .main              { margin-left: 0; }
  .menu-btn          { display: flex; }
  .mob-bar           { display: block; }

  .sec,
  #sobre, #projetos, #localizacao, #contato { padding: 60px 24px 80px; }
  footer { padding: 22px 24px 80px; flex-direction: column; gap: 10px; text-align: center; }

  .svc-grid  { grid-template-columns: 1fr; }
  .proj-grid { grid-template-columns: 1fr; }
  .dif-grid  { grid-template-columns: 1fr; }

  .slide-content { padding: 0 36px; padding-top: 60px; }
  .hero-counter  { left: 36px; bottom: 112px; }
  .hero-nav      { right: 36px; bottom: 112px; }

  .form-row    { grid-template-columns: 1fr; }
  .modal-wrap  { padding: 14px; }
  .modal-head  { padding: 18px 22px; }
  .modal-gal   { padding: 14px 22px; }
  .modal-main  { height: 220px; }
  .about-badge { left: 0; }
  .about-accent { right: 0; bottom: -10px; }
  .loc-map     { height: 260px; }
  .scroll-hint { display: none; }
}

@media (max-width: 480px) {
  /* Animações desabilitadas em telas pequenas */
  [data-aos] {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }
}