/* Estructuras y Montajes Todo Metal SAS - Industrial Precision Style (Gold & Pitch Black) */
:root {
  --primary-gold: #fbbf24;
  --primary-gold-hover: #f59e0b;
  --bg-main: #0c1017;
  --bg-card: #161e2e;
  --bg-card-hover: #1e293b;
  --bg-nav: #090d14;
  --text-white: #ffffff;
  --text-muted: #94a3b8;
  --text-gold: #fbbf24;
  --border-color: #1e293b;
  --radius: 10px;
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: 'Space Grotesk', system-ui, -apple-system, sans-serif;
}

body {
  background-color: var(--bg-main);
  color: var(--text-white);
  line-height: 1.6;
}

/* Demo Banner */
.demo-banner {
  background: #161e2e;
  color: var(--primary-gold);
  text-align: center;
  padding: 10px 16px;
  font-size: 0.85rem;
  font-weight: 700;
  border-bottom: 1px solid var(--border-color);
  letter-spacing: 0.5px;
}

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Navbar */
.navbar {
  background: var(--bg-nav);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 80px;
}

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

.logo-icon { font-size: 2.2rem; }
.brand-name { font-size: 1.35rem; font-weight: 800; color: var(--text-white); letter-spacing: -0.5px; text-transform: uppercase; }
.brand-name span { color: var(--primary-gold); }
.brand-sub { font-size: 0.65rem; letter-spacing: 2px; color: var(--text-muted); display: block; font-weight: 700; }

.nav-menu { display: flex; gap: 24px; }
.nav-link { text-decoration: none; color: #cbd5e1; font-weight: 600; font-size: 0.95rem; transition: color 0.2s; }
.nav-link:hover, .nav-link.active { color: var(--primary-gold); }

.nav-actions { display: flex; align-items: center; gap: 16px; }

/* Buttons */
.btn {
  display: inline-block;
  padding: 12px 24px;
  border-radius: 6px;
  font-weight: 700;
  font-size: 0.95rem;
  cursor: pointer;
  border: none;
  text-decoration: none;
  transition: all 0.2s;
}

.btn-primary { background: var(--primary-gold); color: #000000; font-weight: 800; }
.btn-primary:hover { background: var(--primary-gold-hover); transform: translateY(-1px); }

.btn-outline { background: transparent; border: 2px solid var(--primary-gold); color: var(--primary-gold); }
.btn-outline:hover { background: var(--primary-gold); color: #000000; }

.btn-outline-danger { background: transparent; border: 2px solid #ef4444; color: #ef4444; }
.btn-outline-danger:hover { background: #ef4444; color: #fff; }

.btn-lg { padding: 16px 32px; font-size: 1.05rem; }
.btn-sm { padding: 8px 16px; font-size: 0.85rem; }
.btn-block { width: 100%; text-align: center; }

/* Views */
.view-section { display: none; }
.view-section.active { display: block; }

.section-padding { padding: 80px 0; }
.text-white { color: #fff !important; }

.section-title { margin-bottom: 48px; }
.section-title h2 { font-size: 2.5rem; font-weight: 700; color: var(--text-white); letter-spacing: -0.5px; }
.section-title p { color: var(--text-muted); font-size: 1.1rem; }
.text-center { text-align: center; }

/* Grid Layouts */
.grid { display: grid; gap: 28px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 900px) {
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-2 { grid-template-columns: 1fr; }
}

@media (max-width: 600px) {
  .grid-4, .grid-3 { grid-template-columns: 1fr; }
  .nav-menu { display: none; }
}

/* Cards */
.card {
  background: var(--bg-card);
  border-radius: var(--radius);
  border: 1px solid var(--border-color);
  padding: 32px;
  box-shadow: var(--shadow);
  color: var(--text-white);
  transition: transform 0.2s, border-color 0.2s;
}

.card:hover { border-color: #334155; transform: translateY(-2px); }

/* Hero */
.hero-section {
  background: linear-gradient(180deg, #090d14 0%, #0c1017 100%);
  color: #fff;
  padding: 100px 0 120px 0;
  border-bottom: 1px solid var(--border-color);
  position: relative;
  overflow: hidden;
}

.hero-container {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  align-items: center;
  gap: 48px;
}

.hero-badge {
  background: rgba(251, 191, 36, 0.1);
  color: var(--primary-gold);
  border: 1px solid rgba(251, 191, 36, 0.3);
  padding: 8px 18px;
  border-radius: 4px;
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 2px;
  display: inline-block;
  margin-bottom: 24px;
  text-transform: uppercase;
}

.hero-text h1 { font-size: 3.4rem; font-weight: 800; line-height: 1.15; margin-bottom: 24px; color: #fff; letter-spacing: -1px; }
.hero-text p { font-size: 1.2rem; color: #94a3b8; margin-bottom: 36px; max-width: 600px; }
.hero-buttons { display: flex; gap: 18px; flex-wrap: wrap; }

.hero-image {
  position: relative;
}

.hero-image img {
  width: 100%;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border: 1px solid var(--border-color);
}

/* Core Capabilities Cards */
.srv-card { display: flex; flex-direction: column; gap: 16px; }
.srv-icon { font-size: 2.8rem; background: #090d14; width: 68px; height: 68px; border-radius: 8px; display: flex; align-items: center; justify-content: center; border: 1px solid var(--border-color); }
.srv-card h3 { font-size: 1.4rem; color: var(--text-white); font-weight: 700; }
.srv-list { list-style: none; margin: 12px 0; font-size: 0.95rem; color: #cbd5e1; }
.srv-list li { margin-bottom: 8px; }

/* Steps Dark Cards */
.steps-dark-grid { gap: 20px; }
.step-dark-card { background: var(--bg-card); padding: 28px; border-radius: var(--radius); border: 1px solid var(--border-color); }
.step-num { background: var(--primary-gold); color: #000000; width: 36px; height: 36px; border-radius: 4px; display: flex; align-items: center; justify-content: center; font-weight: 800; margin-bottom: 18px; }

/* Project Cards */
.proj-card { padding: 0; overflow: hidden; display: flex; flex-direction: column; background: var(--bg-card); border: 1px solid var(--border-color); }
.proj-img-wrapper { position: relative; height: 220px; background: #090d14; }
.proj-img-wrapper img { width: 100%; height: 100%; object-fit: cover; }
.proj-badge { position: absolute; top: 14px; left: 14px; background: #000000; color: var(--primary-gold); border: 1px solid var(--primary-gold); padding: 4px 10px; border-radius: 4px; font-size: 0.75rem; font-weight: 800; letter-spacing: 1px; }
.proj-body { padding: 24px; flex-grow: 1; display: flex; flex-direction: column; }
.proj-client { font-size: 0.85rem; color: var(--primary-gold); font-weight: 700; text-transform: uppercase; }
.proj-tonnage { font-size: 0.85rem; color: var(--text-muted); margin-bottom: 10px; }
.proj-desc { font-size: 0.95rem; color: #cbd5e1; margin-bottom: 20px; flex-grow: 1; }

/* Quote Form */
.quote-box { max-width: 800px; margin: 0 auto; background: var(--bg-card); border: 1px solid var(--border-color); }
.quote-header { margin-bottom: 28px; border-bottom: 1px solid var(--border-color); padding-bottom: 20px; }
.quote-header h2 { color: var(--primary-gold); font-size: 2rem; }

/* Forms */
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-weight: 700; font-size: 0.85rem; margin-bottom: 8px; color: #f1f5f9; text-transform: uppercase; letter-spacing: 0.5px; }
.form-group input, .form-group select, .form-group textarea { width: 100%; padding: 14px 18px; border-radius: 6px; border: 1px solid #334155; font-size: 0.95rem; background: #090d14; color: #fff; }
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { border-color: var(--primary-gold); outline: none; }

/* Modals */
.modal-backdrop { position: fixed; inset: 0; background: rgba(0, 0, 0, 0.8); z-index: 200; display: flex; align-items: center; justify-content: center; padding: 20px; }
.modal-card { background: var(--bg-card); border: 1px solid var(--border-color); border-radius: var(--radius); width: 100%; max-width: 500px; box-shadow: var(--shadow); overflow: hidden; color: #fff; }
.modal-sm { max-width: 420px; }
.modal-header { padding: 20px 24px; border-bottom: 1px solid var(--border-color); display: flex; justify-content: space-between; align-items: center; }
.modal-body { padding: 28px; }
.close-btn { background: none; border: none; font-size: 1.8rem; cursor: pointer; color: #94a3b8; }
.hidden { display: none !important; }

/* Badges & Tables */
.badge { display: inline-block; padding: 6px 12px; border-radius: 4px; font-size: 0.75rem; font-weight: 800; text-transform: uppercase; }
.badge-success { background: rgba(251, 191, 36, 0.15); color: var(--primary-gold); border: 1px solid var(--primary-gold); }
.badge-warning { background: rgba(245, 158, 11, 0.2); color: #fbbf24; border: 1px solid #d97706; }
.badge-info { background: #334155; color: #cbd5e1; }

.table { width: 100%; border-collapse: collapse; margin-top: 20px; }
.table th, .table td { padding: 14px 18px; text-align: left; border-bottom: 1px solid var(--border-color); }
.table th { background: #090d14; font-weight: 700; color: #94a3b8; text-transform: uppercase; font-size: 0.8rem; }

/* Portal Tabs */
.portal-tabs { display: flex; gap: 16px; margin-bottom: 28px; border-bottom: 2px solid var(--border-color); }
.tab-btn { background: none; border: none; padding: 14px 24px; font-weight: 700; cursor: pointer; color: var(--text-muted); border-bottom: 3px solid transparent; margin-bottom: -2px; font-size: 1rem; }
.tab-btn.active { color: var(--primary-gold); border-bottom-color: var(--primary-gold); }
.portal-tab-content { display: none; }
.portal-tab-content.active { display: block; }
.portal-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 28px; }

/* PQRS & Success */
.pqrs-box { max-width: 720px; margin: 0 auto; background: var(--bg-card); border: 1px solid var(--border-color); }
.radicado-box { background: #090d14; padding: 20px; border-radius: 8px; margin: 24px 0; text-align: center; border: 1px solid var(--primary-gold); }
.radicado-box strong { display: block; font-size: 1.8rem; color: var(--primary-gold); }
.success-icon { font-size: 3.5rem; margin-bottom: 16px; }

/* Footer */
.footer { background: #07090e; border-top: 1px solid var(--border-color); padding: 48px 0; color: #94a3b8; }
.footer-container { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 24px; }