/* CTG Caldeiraria e Montagem Industrial - estilos */

:root {
  --navy: #14233d;
  --navy-dark: #0d1826;
  --gray-steel: #5b6672;
  --orange: #c97a3a;
  --off-white: #f7f5f1;
  --line: #e2ddd3;
  --text: #23303f;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: "Segoe UI", Arial, Helvetica, sans-serif;
  color: var(--text);
  background: var(--off-white);
  line-height: 1.6;
}

img { max-width: 100%; display: block; }

.container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 24px;
}

a { color: inherit; }

.eyebrow {
  color: var(--orange);
  text-transform: uppercase;
  letter-spacing: 2px;
  font-size: 0.8rem;
  font-weight: 700;
  margin: 0 0 8px 0;
}

h1, h2, h3 {
  font-weight: 800;
  color: var(--navy);
  margin: 0;
}

.section-title {
  font-size: 2rem;
  margin-bottom: 6px;
}

.section-rule {
  width: 70px;
  height: 3px;
  background: var(--orange);
  margin: 16px 0 32px 0;
  border: none;
}

.section {
  padding: 72px 0;
}

.section.alt {
  background: #efeae2;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--navy);
  box-shadow: 0 1px 8px rgba(0,0,0,0.25);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.brand img {
  height: 42px;
  width: auto;
}

.brand-text {
  color: #fff;
  font-weight: 800;
  font-size: 1.05rem;
  line-height: 1.1;
}

.brand-text span {
  display: block;
  font-weight: 500;
  font-size: 0.68rem;
  color: #b7c2cf;
  letter-spacing: 1px;
  margin-top: 2px;
}

nav.main-nav ul {
  list-style: none;
  display: flex;
  gap: 28px;
  margin: 0;
  padding: 0;
}

nav.main-nav a {
  color: #d8dee5;
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 600;
}

nav.main-nav a:hover { color: #fff; }

.nav-cta {
  background: var(--orange);
  color: #fff !important;
  padding: 9px 18px;
  border-radius: 3px;
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  color: #fff;
  font-size: 1.6rem;
  cursor: pointer;
}

/* Hero */
.hero {
  position: relative;
  background: linear-gradient(180deg, rgba(13,24,38,0.88), rgba(13,24,38,0.72)), url("../img/portfolio/18-tanque-10000m3-etanol.jpg") center/cover no-repeat;
  color: #fff;
  padding: 120px 0 100px 0;
}

.hero .eyebrow { color: #f0b878; }

.hero h1 {
  color: #fff;
  font-size: 2.6rem;
  max-width: 720px;
  line-height: 1.2;
}

.hero p.lead {
  max-width: 620px;
  color: #d8dee5;
  font-size: 1.08rem;
  margin-top: 18px;
}

.hero-cta {
  margin-top: 32px;
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.btn {
  display: inline-block;
  padding: 13px 26px;
  border-radius: 3px;
  font-weight: 700;
  text-decoration: none;
  font-size: 0.95rem;
  border: 2px solid transparent;
}

.btn-primary {
  background: var(--orange);
  color: #fff;
}

.btn-outline {
  border-color: rgba(255,255,255,0.55);
  color: #fff;
}

.hero-tags {
  margin-top: 44px;
  display: flex;
  gap: 28px;
  flex-wrap: wrap;
  color: #b7c2cf;
  font-size: 0.85rem;
  letter-spacing: 1px;
  text-transform: uppercase;
  font-weight: 700;
}

/* About */
.about-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 56px;
  align-items: start;
}

.about-grid p { margin: 0 0 16px 0; }

.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  margin-top: 8px;
}

.stat {
  background: var(--off-white);
  padding: 24px 12px;
  text-align: center;
}

.stat .num {
  font-size: 1.9rem;
  font-weight: 800;
  color: var(--navy);
}

.stat .label {
  font-size: 0.72rem;
  color: var(--gray-steel);
  letter-spacing: 0.5px;
  margin-top: 6px;
}

.about-side {
  background: var(--navy);
  color: #fff;
  padding: 32px;
  border-radius: 4px;
}

.about-side h3 {
  color: #fff;
  font-size: 1.2rem;
  margin-bottom: 14px;
}

.about-side ul {
  padding-left: 18px;
  margin: 0;
  color: #d8dee5;
  font-size: 0.94rem;
}

.about-side li { margin-bottom: 10px; }

/* Services */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.service-card {
  background: #fff;
  border: 1px solid var(--line);
  border-top: 3px solid var(--orange);
  padding: 32px 26px;
}

.service-card h3 {
  font-size: 1.15rem;
  margin-bottom: 14px;
}

.service-card ul {
  margin: 0;
  padding-left: 18px;
  color: var(--gray-steel);
  font-size: 0.93rem;
}

.service-card li { margin-bottom: 8px; }

/* Gallery */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.gallery-item {
  position: relative;
  overflow: hidden;
  border-radius: 3px;
  background: #000;
  aspect-ratio: 4/3;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.35s ease;
}

.gallery-item:hover img { transform: scale(1.06); }

.gallery-caption {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  background: linear-gradient(0deg, rgba(13,24,38,0.92), rgba(13,24,38,0));
  color: #fff;
  font-size: 0.82rem;
  padding: 26px 14px 10px 14px;
  font-weight: 600;
}

.gallery-more {
  text-align: center;
  margin-top: 20px;
  color: var(--gray-steel);
  font-size: 0.88rem;
}

/* Clients */
.clients-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.client-card {
  background: linear-gradient(135deg, var(--navy-dark), var(--navy));
  padding: 26px 20px;
  border-radius: 3px;
  position: relative;
}

.client-card::before {
  content: "";
  position: absolute;
  top: 14px; left: 16px;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--orange);
}

.client-card .name {
  color: #fff;
  font-weight: 800;
  font-size: 1.05rem;
  margin-top: 14px;
}

.client-card .detail {
  color: #f0b878;
  font-size: 0.72rem;
  letter-spacing: 0.5px;
  margin-top: 4px;
  text-transform: uppercase;
  font-weight: 700;
}

/* Contact */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}

.contact-list {
  list-style: none;
  padding: 0;
  margin: 24px 0 0 0;
}

.contact-list li {
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
  display: flex;
  gap: 14px;
}

.contact-list .k {
  font-weight: 700;
  color: var(--navy);
  min-width: 130px;
}

.contact-panel {
  background: var(--navy);
  color: #fff;
  padding: 36px;
  border-radius: 4px;
}

.contact-panel h3 {
  color: #fff;
  font-size: 1.3rem;
  margin-bottom: 10px;
}

.contact-form {
  display: flex;
  flex-direction: column;
}

.contact-form label {
  color: #d8dee5;
  font-size: 0.82rem;
  font-weight: 700;
  margin: 12px 0 6px 0;
}

.contact-form label:first-of-type { margin-top: 0; }

.contact-form input[type="text"],
.contact-form input[type="email"],
.contact-form textarea {
  background: #fff;
  border: 1px solid transparent;
  border-radius: 3px;
  padding: 11px 12px;
  font-family: inherit;
  font-size: 0.92rem;
  color: var(--text);
  resize: vertical;
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: 2px solid var(--orange);
}

.contact-panel p {
  color: #d8dee5;
  margin: 0 0 22px 0;
  font-size: 0.95rem;
}

/* Footer */
footer {
  background: var(--navy-dark);
  color: #a8b3bf;
  padding: 40px 0;
  font-size: 0.85rem;
}

.footer-grid {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-tag {
  letter-spacing: 1.5px;
  text-transform: uppercase;
  font-size: 0.72rem;
  color: var(--orange);
  font-weight: 700;
}

@media (max-width: 900px) {
  .about-grid, .contact-grid { grid-template-columns: 1fr; }
  .services-grid, .clients-grid { grid-template-columns: repeat(2, 1fr); }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 720px) {
  nav.main-nav { position: fixed; top: 76px; left: 0; right: 0; background: var(--navy); flex-direction: column; padding: 10px 24px 20px 24px; display: none; }
  nav.main-nav.open { display: block; }
  nav.main-nav ul { flex-direction: column; gap: 4px; }
  nav.main-nav li { border-bottom: 1px solid rgba(255,255,255,0.08); padding: 10px 0; }
  .menu-toggle { display: block; }
  .hero h1 { font-size: 2rem; }
  .services-grid, .clients-grid, .gallery-grid { grid-template-columns: 1fr; }
  .section { padding: 52px 0; }
}