/* ===== Variables ===== */
:root {
  --charcoal: #1b1b1d;
  --charcoal-light: #26262a;
  --concrete: #6b6b6b;
  --concrete-light: #9a9a9a;
  --amber: #d9731c;
  --amber-light: #f08c34;
  --off-white: #f2efe9;
  --border: #3a3a3e;
  --radius: 4px;
  --max-width: 1180px;
  --font-head: "Oswald", Arial Narrow, sans-serif;
  --font-body: "Open Sans", Arial, sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--off-white);
  color: var(--charcoal);
  line-height: 1.6;
}

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

a { color: inherit; text-decoration: none; }

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

h1, h2, h3, h4 {
  font-family: var(--font-head);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--charcoal);
}

.section-label {
  color: var(--amber);
  font-family: var(--font-head);
  text-transform: uppercase;
  font-weight: 600;
  letter-spacing: 2px;
  font-size: 0.85rem;
}

.btn {
  display: inline-block;
  font-family: var(--font-head);
  text-transform: uppercase;
  letter-spacing: 1px;
  font-weight: 600;
  padding: 14px 30px;
  border-radius: var(--radius);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all 0.2s ease;
  font-size: 0.95rem;
}

.btn-primary {
  background: var(--amber);
  color: #fff;
}
.btn-primary:hover { background: var(--amber-light); }

.btn-outline {
  background: transparent;
  border-color: var(--off-white);
  color: var(--off-white);
}
.btn-outline:hover { background: rgba(255,255,255,0.1); }

/* ===== Header ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--charcoal);
  border-bottom: 3px solid var(--amber);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
}

.logo {
  font-family: var(--font-head);
  color: var(--off-white);
  font-size: 1.4rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
}
.logo span { color: var(--amber); }

.nav-links {
  display: flex;
  gap: 28px;
  align-items: center;
}

.nav-links a {
  color: var(--off-white);
  font-family: var(--font-head);
  text-transform: uppercase;
  font-size: 0.9rem;
  letter-spacing: 1px;
  padding: 6px 0;
  border-bottom: 2px solid transparent;
  transition: border-color 0.2s, color 0.2s;
}
.nav-links a:hover,
.nav-links a.active {
  border-color: var(--amber);
  color: var(--amber-light);
}

.header-cta {
  display: flex;
  align-items: center;
  gap: 18px;
}

.header-phone {
  color: var(--off-white);
  font-weight: 700;
  font-family: var(--font-head);
  letter-spacing: 0.5px;
}
.header-phone .es-flag { color: var(--amber); font-size: 0.75rem; display:block; font-family: var(--font-body); font-weight: 600; text-transform: none; letter-spacing: 0; }

.social-links {
  display: flex;
  gap: 12px;
}
.social-links a {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--off-white);
  transition: background 0.2s, border-color 0.2s;
}
.social-links a:hover {
  background: var(--amber);
  border-color: var(--amber);
}

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.menu-toggle span {
  width: 26px;
  height: 3px;
  background: var(--off-white);
}

/* ===== Hero ===== */
.hero {
  position: relative;
  background: linear-gradient(135deg, var(--charcoal) 0%, #2c2417 100%);
  color: var(--off-white);
  padding: 110px 24px 90px;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(45deg, rgba(217,115,28,0.05) 0px, rgba(217,115,28,0.05) 2px, transparent 2px, transparent 14px);
  pointer-events: none;
}

.hero-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.hero .section-label { display:block; margin-bottom: 12px; }

.hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  color: var(--off-white);
  line-height: 1.15;
  max-width: 760px;
}

.hero h1 em {
  font-style: normal;
  color: var(--amber-light);
}

.hero p.lead {
  margin-top: 18px;
  font-size: 1.15rem;
  color: var(--concrete-light);
  max-width: 580px;
}

.hablamos {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 22px;
  background: rgba(217,115,28,0.15);
  border: 1px solid var(--amber);
  color: var(--amber-light);
  padding: 8px 16px;
  border-radius: 30px;
  font-weight: 700;
  font-family: var(--font-head);
  letter-spacing: 1px;
  text-transform: uppercase;
  font-size: 0.85rem;
}

.hero-actions {
  margin-top: 36px;
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-stats {
  margin-top: 60px;
  display: flex;
  gap: 50px;
  flex-wrap: wrap;
  border-top: 1px solid var(--border);
  padding-top: 30px;
}

.hero-stats .stat strong {
  display: block;
  font-family: var(--font-head);
  font-size: 2.1rem;
  color: var(--amber);
}
.hero-stats .stat span {
  color: var(--concrete-light);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* ===== Generic section ===== */
section { padding: 80px 0; }
.section-head { text-align: center; max-width: 640px; margin: 0 auto 50px; }
.section-head h2 { font-size: 2.2rem; margin-top: 8px; }
.section-head p { color: var(--concrete); margin-top: 14px; }

.alt-bg { background: var(--charcoal-light); color: var(--off-white); }
.alt-bg h2, .alt-bg h3 { color: var(--off-white); }
.alt-bg .section-head p { color: var(--concrete-light); }

/* ===== Services grid ===== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 26px;
}

.service-card {
  background: #fff;
  border: 1px solid #e3ded3;
  border-top: 4px solid var(--amber);
  border-radius: var(--radius);
  padding: 30px 26px;
  transition: transform 0.2s, box-shadow 0.2s;
}
.service-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 14px 30px rgba(0,0,0,0.08);
}
.service-card .icon {
  font-size: 1.8rem;
  color: var(--amber);
  margin-bottom: 14px;
}
.service-card h3 {
  font-size: 1.1rem;
  margin-bottom: 8px;
}
.service-card p {
  color: var(--concrete);
  font-size: 0.95rem;
}

/* ===== Why us / process ===== */
.why-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 30px;
  margin-top: 50px;
}
.why-item { text-align: center; }
.why-item .num {
  font-family: var(--font-head);
  font-size: 2.4rem;
  color: var(--amber);
  margin-bottom: 10px;
}
.why-item h3 { font-size: 1.05rem; margin-bottom: 8px; }
.why-item p { color: var(--concrete-light); font-size: 0.92rem; }

/* ===== Projects gallery ===== */
.filter-bar {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: center;
  margin-bottom: 40px;
}
.filter-btn {
  font-family: var(--font-head);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-size: 0.85rem;
  font-weight: 600;
  padding: 8px 18px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--charcoal);
  border-radius: 30px;
  cursor: pointer;
  transition: all 0.2s;
}
.filter-btn.active,
.filter-btn:hover {
  background: var(--amber);
  border-color: var(--amber);
  color: #fff;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 22px;
}

.project-card {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--charcoal);
  aspect-ratio: 4/3;
}
.project-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.35s;
}
.project-card:hover img { transform: scale(1.08); }

.project-card .overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.85) 0%, rgba(0,0,0,0.1) 60%, transparent 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 18px;
  color: #fff;
}
.project-card .overlay .tag {
  color: var(--amber-light);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-weight: 700;
  margin-bottom: 4px;
}
.project-card .overlay h4 { color: #fff; font-size: 1rem; }

.project-card.placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px dashed var(--border);
  color: var(--concrete-light);
  font-family: var(--font-head);
  text-transform: uppercase;
  letter-spacing: 1px;
  font-size: 0.85rem;
  text-align: center;
  padding: 20px;
}

/* ===== Testimonials ===== */
.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 26px;
}
.testimonial-card {
  background: var(--charcoal);
  padding: 28px;
  border-radius: var(--radius);
  border-left: 4px solid var(--amber);
}
.testimonial-card p { color: var(--concrete-light); font-style: italic; }
.testimonial-card .stars { color: var(--amber); margin-bottom: 12px; letter-spacing: 2px; }
.testimonial-card .name { margin-top: 16px; font-weight: 700; color: #fff; font-family: var(--font-head); text-transform: uppercase; font-size: 0.9rem; letter-spacing: 0.5px; }

/* ===== CTA strip ===== */
.cta-strip {
  background: var(--amber);
  color: #fff;
  text-align: center;
  padding: 60px 24px;
}
.cta-strip h2 { color: #fff; font-size: 1.9rem; }
.cta-strip p { margin-top: 12px; color: rgba(255,255,255,0.9); }
.cta-strip .btn-outline { border-color: #fff; color: #fff; margin-top: 26px; }
.cta-strip .btn-outline:hover { background: rgba(255,255,255,0.15); }
.cta-strip .btn-row { display:flex; gap: 14px; justify-content:center; flex-wrap: wrap; margin-top: 26px; }
.cta-strip .btn-dark { background: var(--charcoal); color: #fff; }

/* ===== Contact ===== */
.contact-wrap {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 50px;
}
@media (max-width: 860px) {
  .contact-wrap { grid-template-columns: 1fr; }
}

.contact-info-card {
  background: var(--charcoal);
  color: var(--off-white);
  padding: 40px;
  border-radius: var(--radius);
}
.contact-info-card h3 { color: #fff; margin-bottom: 20px; }
.contact-row {
  display: flex;
  gap: 14px;
  margin-bottom: 22px;
  align-items: flex-start;
}
.contact-row .icon {
  color: var(--amber);
  font-size: 1.2rem;
  width: 26px;
}
.contact-row strong { display:block; font-family: var(--font-head); text-transform: uppercase; font-size: 0.85rem; letter-spacing: 1px; color: var(--amber-light); }
.contact-row span, .contact-row a { color: var(--concrete-light); }

.contact-form {
  background: #fff;
  border: 1px solid #e3ded3;
  padding: 40px;
  border-radius: var(--radius);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 500px) { .form-row { grid-template-columns: 1fr; } }

.field { margin-bottom: 18px; }
.field label {
  display: block;
  font-family: var(--font-head);
  text-transform: uppercase;
  font-size: 0.78rem;
  letter-spacing: 1px;
  margin-bottom: 6px;
  color: var(--charcoal);
}
.field input,
.field select,
.field textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid #d8d2c4;
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 0.95rem;
  background: var(--off-white);
}
.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--amber);
}
.field textarea { resize: vertical; min-height: 110px; }

.form-note { font-size: 0.85rem; color: var(--concrete); margin-top: 10px; }
.form-status { margin-top: 14px; font-weight: 600; }
.form-status.success { color: #2e7d32; }
.form-status.error { color: #c62828; }

/* ===== Footer ===== */
.site-footer {
  background: var(--charcoal);
  color: var(--concrete-light);
  padding: 60px 0 24px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.2fr;
  gap: 40px;
}
@media (max-width: 800px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
.footer-grid h4 { color: #fff; font-size: 0.95rem; margin-bottom: 16px; }
.footer-grid ul { list-style: none; }
.footer-grid li { margin-bottom: 10px; font-size: 0.92rem; }
.footer-grid a:hover { color: var(--amber-light); }
.footer-logo { color: #fff; font-family: var(--font-head); font-size: 1.3rem; text-transform: uppercase; margin-bottom: 14px; }
.footer-logo span { color: var(--amber); }
.footer-about p { font-size: 0.9rem; line-height: 1.7; }
.footer-social { display: flex; gap: 12px; margin-top: 16px; }
.footer-social a {
  width: 36px; height: 36px; border-radius: 50%;
  border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  transition: background 0.2s, border-color 0.2s;
}
.footer-social a:hover { background: var(--amber); border-color: var(--amber); }

.footer-bottom {
  margin-top: 50px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  text-align: center;
  font-size: 0.82rem;
}

/* ===== Page hero (sub pages) ===== */
.page-hero {
  background: var(--charcoal);
  color: #fff;
  padding: 70px 24px 50px;
  text-align: center;
}
.page-hero h1 { color: #fff; font-size: 2.4rem; }
.page-hero .breadcrumb { margin-top: 10px; color: var(--concrete-light); font-size: 0.9rem; }
.page-hero .breadcrumb a { color: var(--amber-light); }

/* ===== Service detail list (services page) ===== */
.service-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  padding: 50px 0;
  border-bottom: 1px solid #e3ded3;
}
.service-detail:nth-child(even) .service-detail-text { order: 2; }
@media (max-width: 800px) {
  .service-detail { grid-template-columns: 1fr; }
  .service-detail:nth-child(even) .service-detail-text { order: 0; }
}
.service-detail-img {
  background: linear-gradient(135deg, var(--charcoal), var(--charcoal-light));
  border-radius: var(--radius);
  aspect-ratio: 4/3;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--amber);
  font-size: 2.5rem;
  border: 1px solid var(--border);
  overflow: hidden;
  padding: 24px;
}
.service-detail-img img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}
.service-detail-text h3 { font-size: 1.5rem; margin-bottom: 14px; }
.service-detail-text p { color: var(--concrete); margin-bottom: 14px; }
.service-detail-text ul { padding-left: 18px; color: var(--concrete); }
.service-detail-text li { margin-bottom: 6px; }

/* ===== Responsive nav ===== */
@media (max-width: 920px) {
  .nav-links { display: none; }
  .menu-toggle { display: flex; }
  .header-cta .social-links { display: none; }

  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--charcoal);
    padding: 20px 24px;
    gap: 14px;
    border-top: 1px solid var(--border);
  }
}