/* ===== Markat Engenharia — Site Institucional ===== */

:root {
  --navy-dark: #0a1230;
  --navy: #0f1e4d;
  --navy-mid: #142a63;
  --blue-accent: #2f5fe0;
  --blue-light: #4f7fff;
  --bg-light: #f6f7fc;
  --bg-white: #ffffff;
  --gray-text: #4b5563;
  --gray-border: #e2e6f0;
  --green-ok: #1f9d55;
  --radius: 14px;
  --shadow: 0 10px 30px rgba(10, 18, 48, 0.08);
  --shadow-lg: 0 20px 50px rgba(10, 18, 48, 0.18);
  --max-width: 1180px;
  color-scheme: light;
}

html, body { background: var(--bg-white); }

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Arial, sans-serif;
  color: var(--navy-dark);
  background: var(--bg-white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  -webkit-text-size-adjust: 100%;
}

img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; margin: 0; padding: 0; }
section { position: relative; }

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.eyebrow {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--blue-accent);
  margin-bottom: 14px;
}

.section-head {
  max-width: 720px;
  margin: 0 0 48px;
}
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }

.section-head h2 {
  font-size: clamp(28px, 3.6vw, 40px);
  margin: 0 0 14px;
  font-weight: 800;
  color: var(--navy);
  letter-spacing: -0.5px;
}

.section-head p {
  color: var(--gray-text);
  font-size: 17px;
  margin: 0;
}

.bar-accent {
  width: 46px;
  height: 4px;
  background: var(--blue-accent);
  border-radius: 4px;
  margin-bottom: 18px;
}
.section-head.center .bar-accent { margin-left: auto; margin-right: auto; }

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 26px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 15px;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }

.btn-primary {
  background: linear-gradient(135deg, var(--blue-accent), var(--blue-light));
  color: #fff;
  box-shadow: 0 12px 24px rgba(47, 95, 224, 0.35);
}
.btn-primary:hover { box-shadow: 0 16px 30px rgba(47, 95, 224, 0.45); }

.btn-ghost {
  background: transparent;
  border-color: rgba(255,255,255,0.5);
  color: #fff;
}
.btn-ghost:hover { background: rgba(255,255,255,0.12); }

.btn-outline-navy {
  background: transparent;
  border-color: var(--navy);
  color: var(--navy);
}
.btn-outline-navy:hover { background: var(--navy); color: #fff; }

.btn-sm { padding: 10px 20px; font-size: 14px; }

/* ===== Header / Nav ===== */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(10, 18, 48, 0.0);
  transition: background .25s ease, box-shadow .25s ease, padding .25s ease;
  padding: 18px 0;
}
.site-header.scrolled {
  background: rgba(10, 18, 48, 0.94);
  box-shadow: 0 6px 24px rgba(0,0,0,0.15);
  padding: 10px 0;
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.brand { display: flex; align-items: center; gap: 10px; }
.brand img { height: 44px; width: auto; background: #fff; border-radius: 8px; padding: 5px 8px; object-fit: contain; display: block; }
.brand-text {
  color: #fff;
  font-weight: 800;
  font-size: 17px;
  letter-spacing: 0.3px;
  line-height: 1.1;
}
.brand-text span { display: block; font-size: 10px; font-weight: 600; letter-spacing: 2px; color: #9fb2ff; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
}
.nav-links a {
  color: #e6e9f5;
  font-size: 14.5px;
  font-weight: 600;
  transition: color .15s ease;
  position: relative;
}
.nav-links a:hover { color: #fff; }

.nav-cta { display: flex; align-items: center; gap: 14px; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}
.nav-toggle span { width: 24px; height: 2px; background: #fff; border-radius: 2px; }

/* ===== Hero ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 140px 0 90px;
  background: linear-gradient(115deg, rgba(6,12,34,0.94) 0%, rgba(10,18,48,0.9) 45%, rgba(15,30,77,0.75) 100%), url('../img/galpao-industrial-externo.jpg') center/cover no-repeat;
  color: #fff;
  overflow: hidden;
}
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 80% 20%, rgba(79,127,255,0.25), transparent 55%);
  pointer-events: none;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 50px;
  align-items: center;
  position: relative;
  z-index: 2;
}
.hero h1 {
  font-size: clamp(32px, 4.6vw, 54px);
  line-height: 1.12;
  font-weight: 800;
  margin: 0 0 22px;
  letter-spacing: -0.5px;
}
.hero h1 em { color: #7ea0ff; font-style: normal; }
.hero p.lead {
  font-size: 18px;
  color: #cbd4f2;
  max-width: 560px;
  margin: 0 0 34px;
}
.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 36px;
}
.hero-badges span {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.18);
  padding: 8px 16px;
  border-radius: 999px;
  font-size: 13.5px;
  font-weight: 600;
  color: #e6e9f5;
}
.hero-cta { display: flex; gap: 16px; flex-wrap: wrap; }

.hero-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  align-self: center;
}
.stat-card {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.14);
  border-radius: var(--radius);
  padding: 26px 20px;
  text-align: center;
  -webkit-backdrop-filter: blur(4px);
  backdrop-filter: blur(4px);
}
.stat-card .num {
  font-size: clamp(30px, 3.4vw, 42px);
  font-weight: 800;
  color: #7ea0ff;
  line-height: 1;
  margin-bottom: 8px;
}
.stat-card .label {
  font-size: 13px;
  color: #cbd4f2;
  font-weight: 600;
}
.stat-card.wide { grid-column: 1 / -1; text-align: left; display: flex; align-items: center; gap: 16px; }
.stat-card.wide .icon-circle { flex-shrink: 0; }

/* ===== Icon circle ===== */
.icon-circle {
  width: 56px; height: 56px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--navy), var(--blue-accent));
  display: flex; align-items: center; justify-content: center;
  color: #fff;
  font-size: 24px;
  flex-shrink: 0;
}

/* ===== Sobre ===== */
.about {
  padding: 100px 0;
  background: var(--bg-white);
}
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.about-copy p { color: var(--gray-text); font-size: 16.5px; margin: 0 0 18px; }
.about-copy strong { color: var(--navy); }
.about-points { margin-top: 26px; display: grid; gap: 14px; }
.about-point {
  display: flex; gap: 12px; align-items: flex-start;
  background: var(--bg-light);
  border-radius: 12px;
  padding: 16px 18px;
}
.about-point .check {
  width: 26px; height: 26px; border-radius: 50%;
  background: var(--blue-accent); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: 13px; flex-shrink: 0; margin-top: 2px;
}
.about-point div strong { display: block; color: var(--navy); font-size: 15px; margin-bottom: 2px; }
.about-point div span { color: var(--gray-text); font-size: 14px; }

.about-media {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.about-media img { height: 460px; width: 100%; object-fit: cover; }
.about-media .tag {
  position: absolute;
  bottom: 18px; left: 18px;
  background: rgba(10,18,48,0.85);
  color: #fff;
  padding: 10px 16px;
  border-radius: 10px;
  font-size: 13px;
  font-weight: 600;
}

/* ===== Áreas de atuação ===== */
.areas { padding: 100px 0; background: var(--bg-light); }
.areas-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}
.area-card {
  background: #fff;
  border-radius: var(--radius);
  padding: 30px 24px;
  box-shadow: var(--shadow);
  transition: transform .2s ease, box-shadow .2s ease;
  border: 1px solid var(--gray-border);
}
.area-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.area-card .icon-circle { margin-bottom: 18px; }
.area-card h3 { font-size: 18px; color: var(--navy); margin: 0 0 10px; font-weight: 700; }
.area-card p { color: var(--gray-text); font-size: 14.5px; margin: 0; }

/* ===== Diferenciais ===== */
.diferenciais { padding: 100px 0; background: var(--bg-white); }
.dif-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 50px;
}
.dif-list { display: grid; gap: 6px; }
.dif-item {
  display: flex; gap: 16px; padding: 20px 0;
  border-bottom: 1px solid var(--gray-border);
}
.dif-item:last-child { border-bottom: none; }
.dif-item .icon-circle { width: 46px; height: 46px; font-size: 19px; }
.dif-item h4 { margin: 0 0 4px; color: var(--navy); font-size: 16.5px; font-weight: 700; }
.dif-item p { margin: 0; color: var(--gray-text); font-size: 14.5px; }

.dif-side { display: grid; gap: 18px; align-content: start; }
.dif-stat {
  background: linear-gradient(135deg, var(--navy), var(--navy-mid));
  border-radius: var(--radius);
  padding: 30px;
  color: #fff;
  text-align: center;
}
.dif-stat .num { font-size: 44px; font-weight: 800; color: #7ea0ff; }
.dif-stat .label { font-size: 14px; color: #cbd4f2; margin-top: 6px; font-weight: 600; }
.dif-photo {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}
.dif-photo img { display: block; width: 100%; height: 220px; object-fit: cover; }

/* ===== Segurança ===== */
.seguranca { padding: 100px 0; background: var(--navy); color: #fff; }
.seguranca .section-head h2 { color: #fff; }
.seguranca .section-head p { color: #b7c1e8; }
.seg-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 40px;
}
.seg-card {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.14);
  border-radius: var(--radius);
  padding: 26px 22px;
}
.seg-card .icon-circle { background: rgba(255,255,255,0.12); margin-bottom: 16px; }
.seg-card h4 { margin: 0 0 8px; font-size: 16px; font-weight: 700; }
.seg-card p { margin: 0; font-size: 14px; color: #b7c1e8; }
.seg-checks {
  display: flex; flex-wrap: wrap; gap: 14px 34px;
  justify-content: center;
  padding-top: 28px;
  border-top: 1px solid rgba(255,255,255,0.14);
}
.seg-checks span { font-size: 14.5px; font-weight: 600; color: #e6e9f5; display: flex; align-items: center; gap: 8px; }
.seg-checks span::before { content: "✓"; color: #6fe08a; font-weight: 800; }

/* ===== Objeções: Público / Privado ===== */
.objections { padding: 100px 0; background: var(--bg-light); }
.obj-tabs-head { text-align: center; margin-bottom: 44px; }
.obj-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
}
.obj-card {
  background: #fff;
  border-radius: 18px;
  padding: 36px 32px;
  box-shadow: var(--shadow);
  border-top: 5px solid var(--blue-accent);
}
.obj-card.private { border-top-color: #1f9d55; }
.obj-card .obj-tag {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 12.5px; font-weight: 800; letter-spacing: 1px; text-transform: uppercase;
  color: var(--blue-accent);
  background: rgba(47,95,224,0.1);
  padding: 6px 14px; border-radius: 999px;
  margin-bottom: 16px;
}
.obj-card.private .obj-tag { color: #1f9d55; background: rgba(31,157,85,0.1); }
.obj-card h3 { font-size: 22px; color: var(--navy); margin: 0 0 12px; font-weight: 800; }
.obj-card > p { color: var(--gray-text); font-size: 15px; margin: 0 0 22px; }
.obj-list { display: grid; gap: 14px; margin-bottom: 26px; }
.obj-list li { display: flex; gap: 12px; align-items: flex-start; font-size: 14.5px; color: var(--navy-dark); }
.obj-list li .dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--blue-accent); margin-top: 7px; flex-shrink: 0;
}
.obj-card.private .obj-list li .dot { background: #1f9d55; }
.obj-list li strong { color: var(--navy); }

/* ===== Missão Visão Valores ===== */
.mvv { padding: 100px 0; background: #fff; }
.mvv-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.mvv-card {
  background: var(--bg-light);
  border-radius: var(--radius);
  padding: 34px 28px;
  text-align: center;
}
.mvv-card .icon-circle { margin: 0 auto 18px; }
.mvv-card h3 { color: var(--navy); font-size: 17px; letter-spacing: 1px; text-transform: uppercase; margin: 0 0 14px; font-weight: 800; }
.mvv-card p { color: var(--gray-text); font-size: 15px; margin: 0; }
.mvv-card.values { text-align: left; }
.mvv-card.values ul { display: grid; gap: 14px; }
.mvv-card.values li strong { color: var(--navy); display: block; font-size: 14.5px; }
.mvv-card.values li span { color: var(--gray-text); font-size: 13.5px; }

/* ===== Cases / Portfólio ===== */
.cases { padding: 100px 0; background: var(--bg-light); }
.cases-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-auto-rows: 220px;
  grid-auto-flow: dense;
  gap: 16px;
}
.case-item {
  position: relative;
  border-radius: 14px;
  overflow: hidden;
  box-shadow: var(--shadow);
  cursor: pointer;
}
.case-item img { width: 100%; height: 100%; object-fit: cover; transition: transform .35s ease; }
.case-item:hover img { transform: scale(1.08); }
.case-item.big { grid-column: span 2; grid-row: span 2; }
.case-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(6,12,34,0.9) 0%, rgba(6,12,34,0.1) 55%, transparent 100%);
  display: flex; flex-direction: column; justify-content: flex-end;
  padding: 18px;
  color: #fff;
}
.case-overlay .badge {
  align-self: flex-start;
  background: var(--blue-accent);
  font-size: 11px; font-weight: 800; letter-spacing: .5px; text-transform: uppercase;
  padding: 4px 10px; border-radius: 6px; margin-bottom: 8px;
}
.case-overlay h4 { margin: 0 0 4px; font-size: 16px; font-weight: 700; }
.case-overlay p { margin: 0; font-size: 12.5px; color: #cbd4f2; }

/* ===== Clientes ===== */
.clientes { padding: 80px 0; background: #fff; }
.clientes-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  align-items: center;
}
.clientes-grid .logo-box {
  background: var(--bg-light);
  border-radius: 12px;
  padding: 18px;
  display: flex; align-items: center; justify-content: center;
  height: 100px;
  filter: grayscale(100%);
  opacity: 0.75;
  transition: filter .2s ease, opacity .2s ease, transform .2s ease;
}
.clientes-grid .logo-box:hover { filter: grayscale(0%); opacity: 1; transform: translateY(-3px); }
.clientes-grid .logo-box img { max-height: 60px; width: auto; margin: 0 auto; }
.clientes-quote {
  text-align: center; margin-top: 46px;
  font-size: 20px; font-style: italic; color: var(--navy);
  max-width: 640px; margin-left: auto; margin-right: auto;
}
.clientes-quote span { display: block; margin-top: 10px; font-size: 13px; font-style: normal; color: var(--gray-text); font-weight: 600; }

/* ===== Contato ===== */
.contato {
  padding: 100px 0 90px;
  background: linear-gradient(135deg, var(--navy-dark), var(--navy) 60%, var(--navy-mid));
  color: #fff;
}
.contato-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 60px; align-items: center; }
.contato-copy .section-head h2 { color: #fff; }
.contato-copy .section-head p { color: #b7c1e8; }
.contato-cta { display: flex; gap: 16px; flex-wrap: wrap; margin-top: 10px; }
.contato-cards { display: grid; gap: 16px; }
.contato-card {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.14);
  border-radius: 14px;
  padding: 20px 22px;
  display: flex; align-items: center; gap: 16px;
}
.contato-card .icon-circle { background: rgba(255,255,255,0.12); }
.contato-card strong { display: block; font-size: 15px; }
.contato-card span { font-size: 13.5px; color: #b7c1e8; }

/* ===== Footer ===== */
.site-footer {
  background: var(--navy-dark);
  color: #9aa6cc;
  padding: 34px 0;
  font-size: 13.5px;
}
.footer-grid {
  display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 14px;
}
.footer-grid a { color: #b7c1e8; font-weight: 600; }

/* ===== Reveal animation ===== */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s ease, transform .7s ease; }
.reveal.in-view { opacity: 1; transform: translateY(0); }

/* ===== Back to top ===== */
.back-to-top {
  position: fixed; bottom: 26px; right: 26px;
  width: 46px; height: 46px; border-radius: 50%;
  background: var(--blue-accent); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: 18px; box-shadow: var(--shadow-lg);
  opacity: 0; visibility: hidden; transform: translateY(10px);
  transition: all .25s ease;
  z-index: 900;
  cursor: pointer; border: none;
}
.back-to-top.show { opacity: 1; visibility: visible; transform: translateY(0); }

/* ===== WhatsApp float ===== */
.whatsapp-float {
  position: fixed; bottom: 26px; left: 26px;
  background: #25D366; color: #fff;
  width: 56px; height: 56px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 26px; box-shadow: var(--shadow-lg);
  z-index: 900;
}

/* ===== Responsive ===== */
@media (max-width: 992px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-stats { margin-top: 20px; }
  .about-grid, .dif-grid, .contato-grid { grid-template-columns: 1fr; }
  .areas-grid { grid-template-columns: repeat(2, 1fr); }
  .seg-grid { grid-template-columns: repeat(2, 1fr); }
  .mvv-grid { grid-template-columns: 1fr; }
  .obj-grid { grid-template-columns: 1fr; }
  .clientes-grid { grid-template-columns: repeat(4, 1fr); }
  .cases-grid { grid-template-columns: repeat(2, 1fr); grid-auto-rows: 200px; }
  .case-item.big { grid-column: span 1; grid-row: span 1; }
}

@media (max-width: 768px) {
  .nav-links, .nav-cta .btn-outline-navy { display: none; }
  .nav-toggle { display: flex; }
  .site-header.nav-open .nav-links {
    display: flex; position: absolute; top: 100%; left: 0; right: 0;
    background: var(--navy-dark); flex-direction: column; padding: 20px 24px; gap: 18px;
  }
  .areas-grid, .clientes-grid { grid-template-columns: repeat(2, 1fr); }
  .cases-grid { grid-template-columns: 1fr; grid-auto-rows: 260px; }
  .case-item.big { grid-column: span 1; grid-row: span 1; }
  .section-head { margin-bottom: 34px; }
  .obj-card { padding: 28px 22px; }
  .contato-cta .btn, .hero-cta .btn { flex: 1 1 auto; justify-content: center; }
}

/* ===== iOS Safari / small-phone refinements ===== */
@media (max-width: 600px) {
  .container { padding: 0 18px; }
  /* Use small viewport height so the iOS Safari toolbar doesn't crop the hero */
  .hero { min-height: 88vh; padding: 118px 0 64px; }
  .about, .areas, .diferenciais, .seguranca, .objections, .mvv, .cases { padding: 64px 0; }
  .contato { padding: 64px 0 72px; }
  .clientes { padding: 56px 0; }
  .hero p.lead { font-size: 16.5px; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); }
  .areas-grid, .seg-grid, .clientes-grid { grid-template-columns: 1fr 1fr; }
  .about-media img { height: 300px; }
  .dif-photo img { height: 200px; }
  .brand-text { font-size: 15px; }
  .brand img { height: 34px; }
}

@media (max-width: 380px) {
  .hero-stats { grid-template-columns: 1fr; }
  .clientes-grid { grid-template-columns: 1fr 1fr; }
  .hero-cta, .contato-cta { flex-direction: column; align-items: stretch; }
  .hero-cta .btn, .contato-cta .btn { width: 100%; justify-content: center; }
}

/* Larger, comfortable tap targets on touch devices */
@media (hover: none) and (pointer: coarse) {
  .nav-links a { padding: 6px 0; }
  .btn { padding: 15px 26px; }
}