/* =========================================================
   NextBIM Engenharia — Design System
   ========================================================= */

:root {
  --navy-900: #0d1a22;
  --navy-800: #12212b;
  --navy-700: #16252c;
  --navy-600: #1e3644;
  --accent: #4a7ba6;
  --accent-light: #6fa3d1;
  --accent-dark: #345e82;
  --ink: #16252c;
  --gray-700: #4b5a63;
  --gray-500: #6b7b84;
  --gray-300: #b7c2c7;
  --gray-100: #eef1f2;
  --bg: #f6f7f8;
  --white: #ffffff;
  --border: #e2e6e8;

  --font-head: "Poppins", "Segoe UI", sans-serif;
  --font-body: "Inter", "Segoe UI", sans-serif;

  --container: 1180px;
  --radius: 10px;
  --shadow-sm: 0 2px 10px rgba(13, 26, 34, 0.06);
  --shadow-md: 0 10px 30px rgba(13, 26, 34, 0.12);
  --shadow-lg: 0 20px 50px rgba(13, 26, 34, 0.18);
  --transition: 0.25s ease;
}

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

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--white);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: var(--font-head);
  font-weight: 600;
  line-height: 1.2;
  margin: 0 0 16px;
  color: var(--navy-800);
}

h1 { font-size: clamp(2.2rem, 4vw, 3.4rem); font-weight: 700; }
h2 { font-size: clamp(1.7rem, 3vw, 2.3rem); }
h3 { font-size: 1.25rem; }

p { margin: 0 0 16px; color: var(--gray-700); }

a { color: var(--accent-dark); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--accent); }

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

ul { padding-left: 1.2em; color: var(--gray-700); }
li { margin-bottom: 6px; }

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 96px 0;
}
.section--sm { padding: 64px 0; }
.section--alt { background: var(--bg); }
.section--navy { background: var(--navy-800); color: var(--gray-300); }
.section--navy h2, .section--navy h3 { color: var(--white); }
.section--navy p { color: var(--gray-300); }

.eyebrow {
  display: inline-block;
  font-family: var(--font-head);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
}

.section-head {
  max-width: 680px;
  margin: 0 0 48px;
}
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 15px 30px;
  border-radius: 6px;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 0.92rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  text-decoration: none;
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
}
.btn-primary {
  background: var(--accent);
  color: var(--white);
  border-color: var(--accent);
}
.btn-primary:hover { background: var(--accent-dark); border-color: var(--accent-dark); color: var(--white); }

.btn-outline-light {
  background: transparent;
  color: var(--white);
  border-color: rgba(255,255,255,0.65);
}
.btn-outline-light:hover { background: var(--white); color: var(--navy-800); border-color: var(--white); }

.btn-outline {
  background: transparent;
  color: var(--navy-800);
  border-color: var(--navy-800);
}
.btn-outline:hover { background: var(--navy-800); color: var(--white); }

.btn-block { width: 100%; }
.btn-sm { padding: 11px 22px; font-size: 0.82rem; }

/* ---------- Header ---------- */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(13, 26, 34, 0.92);
  backdrop-filter: blur(6px);
  transition: box-shadow var(--transition), background var(--transition);
}
.site-header.is-scrolled {
  box-shadow: var(--shadow-md);
  background: var(--navy-900);
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 84px;
}
.site-logo img { height: 30px; width: auto; }
.site-logo { display: flex; align-items: center; }

.main-nav {
  display: flex;
  align-items: center;
  gap: 4px;
}
.main-nav a {
  color: rgba(255,255,255,0.86);
  font-family: var(--font-head);
  font-weight: 500;
  font-size: 0.92rem;
  padding: 10px 16px;
  border-radius: 6px;
  transition: all var(--transition);
}
.main-nav a:hover, .main-nav a.active {
  color: var(--white);
  background: rgba(255,255,255,0.08);
}
.main-nav .btn { margin-left: 12px; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.nav-toggle span {
  width: 26px; height: 2px;
  background: var(--white);
  border-radius: 2px;
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--navy-900);
}
.hero-media {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(13,26,34,0.55) 0%, rgba(13,26,34,0.72) 60%, rgba(13,26,34,0.92) 100%);
  z-index: 1;
}
.hero-content {
  position: relative;
  z-index: 2;
  padding: 160px 0 100px;
  color: var(--white);
  max-width: 780px;
}
.hero-content .eyebrow { color: var(--accent-light); }
.hero-content h1 { color: var(--white); margin-bottom: 18px; }
.hero-content .lead {
  font-size: 1.15rem;
  color: rgba(255,255,255,0.85);
  max-width: 560px;
  margin-bottom: 36px;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 16px; align-items: center; }
.hero-video-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--white);
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  background: none;
  border: none;
}
.hero-video-btn .play-circle {
  width: 42px; height: 42px;
  border-radius: 50%;
  border: 2px solid rgba(255,255,255,0.7);
  display: flex; align-items: center; justify-content: center;
  transition: all var(--transition);
}
.hero-video-btn:hover .play-circle { background: var(--white); border-color: var(--white); }
.hero-video-btn:hover .play-circle svg path { fill: var(--navy-800); }

/* small hero (inner pages) */
.page-hero {
  position: relative;
  padding: 175px 0 90px;
  background: linear-gradient(135deg, var(--navy-900) 0%, var(--navy-700) 100%);
  color: var(--white);
  overflow: hidden;
}
.page-hero::after {
  content: "";
  position: absolute;
  right: -80px; top: -80px;
  width: 360px; height: 360px;
  background: radial-gradient(circle, rgba(74,123,166,0.35) 0%, transparent 70%);
}
.page-hero h1 { color: var(--white); margin-bottom: 10px; }
.page-hero .breadcrumb { color: var(--accent-light); font-family: var(--font-head); font-size: 0.85rem; letter-spacing: 0.06em; text-transform: uppercase; margin-bottom: 14px; }
.page-hero p { color: rgba(255,255,255,0.78); max-width: 620px; }

/* ---------- Feature / icon columns ---------- */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}
.feature-grid.cols-2 { grid-template-columns: repeat(2, 1fr); }
.feature-grid.cols-5 { grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.feature-card {
  text-align: left;
}
.feature-icon {
  width: 60px; height: 60px;
  border-radius: 14px;
  background: var(--gray-100);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 22px;
}
.feature-icon svg { width: 28px; height: 28px; }
.section--navy .feature-icon { background: rgba(255,255,255,0.08); }
.feature-card h3 { margin-bottom: 10px; }
.feature-card p { margin-bottom: 0; font-size: 0.95rem; }

/* ---------- Cards ---------- */
.card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition);
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }

.stat-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  text-align: center;
}
.stat-item strong {
  display: block;
  font-family: var(--font-head);
  font-size: 2.4rem;
  color: var(--white);
  font-weight: 700;
}
.stat-item span { color: var(--accent-light); font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.08em; }

/* ---------- Grid utilities ---------- */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }

/* ---------- Portfolio gallery ---------- */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.gallery-item {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  cursor: pointer;
  aspect-ratio: 4/3;
  background: var(--gray-100);
}
.gallery-item img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 0.4s ease;
}
.gallery-item:hover img { transform: scale(1.08); }
.gallery-item::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(13,26,34,0.75) 100%);
  opacity: 0;
  transition: opacity var(--transition);
}
.gallery-item:hover::after { opacity: 1; }
.gallery-caption {
  position: absolute;
  left: 16px; right: 16px; bottom: 14px;
  color: var(--white);
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 0.9rem;
  opacity: 0;
  transform: translateY(6px);
  transition: all var(--transition);
  z-index: 1;
}
.gallery-item:hover .gallery-caption { opacity: 1; transform: translateY(0); }

/* ---------- Case feature block ---------- */
.case-feature {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 50px;
  align-items: center;
  background: var(--bg);
  border-radius: 16px;
  padding: 50px;
  margin-bottom: 64px;
}
.case-feature img { border-radius: 12px; }
.case-tag {
  display: inline-block;
  background: var(--navy-800);
  color: var(--white);
  font-family: var(--font-head);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 5px 12px;
  border-radius: 100px;
  margin-bottom: 16px;
}

/* ---------- Quote / philosophy ---------- */
.quote-block {
  border-left: 3px solid var(--accent);
  padding-left: 28px;
}
.quote-block p {
  font-family: var(--font-head);
  font-size: 1.3rem;
  font-style: italic;
  color: var(--navy-800);
  margin-bottom: 10px;
}
.section--navy .quote-block p { color: var(--white); }
.quote-block span { font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--accent); font-family: var(--font-head); font-weight: 600; }

/* ---------- CTA banner ---------- */
.cta-banner {
  background: linear-gradient(120deg, var(--navy-800), var(--accent-dark));
  border-radius: 18px;
  padding: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  color: var(--white);
  flex-wrap: wrap;
}
.cta-banner h2 { color: var(--white); margin-bottom: 8px; }
.cta-banner p { color: rgba(255,255,255,0.82); margin-bottom: 0; }
.cta-banner .actions { display: flex; gap: 16px; flex-wrap: wrap; }

/* ---------- Steps list ---------- */
.steps { counter-reset: step; list-style: none; padding: 0; }
.steps li {
  counter-increment: step;
  position: relative;
  padding-left: 52px;
  margin-bottom: 26px;
}
.steps li::before {
  content: counter(step);
  position: absolute;
  left: 0; top: -2px;
  width: 36px; height: 36px;
  border-radius: 50%;
  background: var(--navy-800);
  color: var(--white);
  font-family: var(--font-head);
  font-weight: 700;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.95rem;
}
.steps li strong { display: block; color: var(--navy-800); font-family: var(--font-head); margin-bottom: 4px; }
.section--navy .steps li strong { color: var(--white); }

/* ---------- Contact icons list ---------- */
.contact-list { list-style: none; padding: 0; margin: 0; }
.contact-list li {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 18px;
}
.contact-list .ico {
  width: 44px; height: 44px;
  border-radius: 10px;
  background: var(--gray-100);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.contact-list .ico svg { width: 20px; height: 20px; }
.contact-list strong { display: block; font-family: var(--font-head); font-size: 0.95rem; color: var(--navy-800); }
.contact-list span, .contact-list a { font-size: 0.9rem; color: var(--gray-700); }

.section--navy .contact-list .ico { background: rgba(255,255,255,0.08); }
.section--navy .contact-list strong { color: var(--white); }
.section--navy .contact-list span, .section--navy .contact-list a { color: var(--gray-300); }

/* ---------- Forms ---------- */
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.form-grid .full { grid-column: 1 / -1; }
.field label {
  display: block;
  font-family: var(--font-head);
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--navy-800);
}
.section--navy .field label { color: var(--white); }
.field input, .field select, .field textarea {
  width: 100%;
  padding: 13px 16px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  background: var(--white);
  color: var(--ink);
}
.field textarea { resize: vertical; min-height: 120px; }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(74,123,166,0.15);
}
.form-note { font-size: 0.82rem; color: var(--gray-500); margin-top: 10px; }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--navy-900);
  color: var(--gray-300);
  padding: 72px 0 28px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer-logo img { height: 28px; margin-bottom: 18px; }
.footer-grid p { color: var(--gray-300); font-size: 0.9rem; }
.footer-col h4 { color: var(--white); font-size: 0.95rem; margin-bottom: 18px; }
.footer-col ul { list-style: none; padding: 0; margin: 0; }
.footer-col li { margin-bottom: 10px; }
.footer-col a { color: var(--gray-300); font-size: 0.9rem; }
.footer-col a:hover { color: var(--white); }
.footer-social { display: flex; gap: 10px; margin-top: 18px; }
.footer-social a {
  width: 38px; height: 38px;
  border-radius: 50%;
  background: rgba(255,255,255,0.08);
  display: flex; align-items: center; justify-content: center;
  transition: background var(--transition);
}
.footer-social a:hover { background: var(--accent); }
.footer-social svg { width: 16px; height: 16px; }
.footer-bottom {
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.82rem;
  color: var(--gray-500);
}
.footer-bottom a { color: var(--gray-500); }

/* ---------- Video Modal ---------- */
.video-modal {
  position: fixed;
  inset: 0;
  background: rgba(13,26,34,0.92);
  z-index: 2000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 24px;
}
.video-modal.is-open { display: flex; }
.video-modal-inner {
  width: 100%;
  max-width: 960px;
  aspect-ratio: 16/9;
  position: relative;
}
.video-modal-inner iframe { width: 100%; height: 100%; border: 0; border-radius: 10px; }
.video-modal-close {
  position: absolute;
  top: -46px; right: 0;
  background: none;
  border: none;
  color: var(--white);
  font-size: 1.8rem;
  cursor: pointer;
  line-height: 1;
}

/* ---------- Lightbox ---------- */
.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(13,26,34,0.95);
  z-index: 2000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 40px;
}
.lightbox.is-open { display: flex; }
.lightbox img {
  max-width: 100%;
  max-height: 85vh;
  border-radius: 8px;
  box-shadow: var(--shadow-lg);
}
.lightbox-close, .lightbox-prev, .lightbox-next {
  position: absolute;
  background: rgba(255,255,255,0.1);
  border: none;
  color: var(--white);
  cursor: pointer;
  border-radius: 50%;
  width: 46px; height: 46px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem;
  transition: background var(--transition);
}
.lightbox-close:hover, .lightbox-prev:hover, .lightbox-next:hover { background: rgba(255,255,255,0.25); }
.lightbox-close { top: 24px; right: 24px; }
.lightbox-prev { left: 24px; top: 50%; transform: translateY(-50%); }
.lightbox-next { right: 24px; top: 50%; transform: translateY(-50%); }

/* ---------- Blog ---------- */
.blog-card { display: flex; flex-direction: column; height: 100%; }
.blog-card img { aspect-ratio: 16/10; object-fit: cover; }
.blog-card-body { padding: 24px; display: flex; flex-direction: column; flex: 1; }
.blog-meta { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; font-size: 0.78rem; color: var(--gray-500); text-transform: uppercase; letter-spacing: 0.05em; font-family: var(--font-head); font-weight: 600; }
.blog-meta .tag { color: var(--accent); }
.blog-card-body h3 { margin-bottom: 10px; }
.blog-card-body p { font-size: 0.92rem; flex: 1; }
.blog-card-body a.read-more { font-family: var(--font-head); font-weight: 600; font-size: 0.85rem; color: var(--navy-800); }
.blog-card-body a.read-more:hover { color: var(--accent); }

.article {
  max-width: 760px;
  margin: 0 auto;
}
.article-cover { border-radius: 14px; margin-bottom: 32px; aspect-ratio: 16/8; object-fit: cover; width: 100%; }
.article h3 { margin-top: 36px; }
.article p, .article li { font-size: 1.02rem; }
.article ul { margin-bottom: 20px; }

.draft-badge {
  display: inline-block;
  background: #fdf1d6;
  color: #8a5a00;
  font-family: var(--font-head);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 5px 12px;
  border-radius: 100px;
  margin-bottom: 14px;
}

/* ---------- Store / product cards ---------- */
.product-card { display: flex; flex-direction: column; height: 100%; }
.product-card img { aspect-ratio: 4/3; object-fit: cover; }
.product-body { padding: 24px; display: flex; flex-direction: column; flex: 1; }
.product-body h3 { margin-bottom: 8px; }
.product-body p { font-size: 0.9rem; flex: 1; }
.product-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}
.product-price { font-family: var(--font-head); font-weight: 700; font-size: 1.3rem; color: var(--navy-800); }
.product-price small { display: block; font-size: 0.68rem; font-weight: 500; color: var(--gray-500); text-transform: uppercase; letter-spacing: 0.06em; }
.product-card.is-soon img { filter: grayscale(60%); opacity: 0.75; }
.soon-badge {
  display: inline-block;
  background: var(--gray-100);
  color: var(--gray-700);
  font-family: var(--font-head);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 5px 12px;
  border-radius: 100px;
  margin-bottom: 16px;
}

/* ---------- Badge / values list ---------- */
.value-list { list-style: none; padding: 0; margin: 0; }
.value-list li {
  padding: 16px 0;
  border-bottom: 1px solid var(--border);
}
.value-list li:last-child { border-bottom: none; }
.value-list strong { color: var(--navy-800); font-family: var(--font-head); }
.section--navy .value-list li { border-bottom-color: rgba(255,255,255,0.12); }
.section--navy .value-list strong { color: var(--white); }

/* ---------- WhatsApp float ---------- */
.wa-float {
  position: fixed;
  bottom: 26px; right: 26px;
  width: 58px; height: 58px;
  border-radius: 50%;
  background: #25D366;
  display: flex; align-items: center; justify-content: center;
  box-shadow: var(--shadow-md);
  z-index: 900;
  transition: transform var(--transition);
}
.wa-float:hover { transform: scale(1.08); }
.wa-float svg { width: 28px; height: 28px; }

/* ---------- Utilities ---------- */
.text-center { text-align: center; }
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
  .feature-grid, .feature-grid.cols-2, .feature-grid.cols-5 { grid-template-columns: 1fr; }
  .grid-2 { grid-template-columns: 1fr; gap: 32px; }
  .grid-3 { grid-template-columns: 1fr 1fr; }
  .stat-row { grid-template-columns: repeat(2, 1fr); gap: 32px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
  .case-feature { grid-template-columns: 1fr; padding: 32px; }
  .form-grid { grid-template-columns: 1fr; }
  .cta-banner { padding: 40px; }
}

@media (max-width: 720px) {
  .main-nav {
    position: fixed;
    top: 84px; left: 0; right: 0;
    height: calc(100vh - 84px);
    background: var(--navy-900);
    flex-direction: column;
    align-items: stretch;
    padding: 24px;
    gap: 4px;
    transform: translateX(100%);
    transition: transform var(--transition);
    overflow-y: auto;
  }
  .main-nav.is-open { transform: translateX(0); }
  .main-nav a { padding: 14px 16px; }
  .main-nav .btn { margin: 12px 0 0; text-align: center; }
  .nav-toggle { display: flex; }

  .grid-3 { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: 1fr 1fr; }
  .stat-row { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr; }
  .section { padding: 64px 0; }
  .hero-content { padding: 140px 0 70px; }
  .cta-banner { flex-direction: column; text-align: center; }
  .lightbox-prev, .lightbox-next { width: 40px; height: 40px; }
}

@media (max-width: 480px) {
  .gallery-grid { grid-template-columns: 1fr; }
}