/* =========================================================
   Express Windows - Stylesheet
   Brand red: #E30613 | Black: #1a1a1a
   ========================================================= */

:root {
  --red: #E30613;
  --red-dark: #B30410;
  --red-light: #FF1A2C;
  --black: #1a1a1a;
  --gray-900: #222;
  --gray-700: #444;
  --gray-500: #666;
  --gray-400: #888;
  --gray-300: #bbb;
  --gray-200: #e5e5e5;
  --gray-100: #f5f5f5;
  --gray-50:  #fafafa;
  --white: #ffffff;
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
  --shadow-md: 0 6px 20px rgba(0,0,0,0.08);
  --shadow-lg: 0 12px 36px rgba(0,0,0,0.12);
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 14px;
  --container: 1200px;
  --header-h: 80px;
  --transition: 0.25s ease;
}

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

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--gray-900);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--red); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--red-dark); }

h1, h2, h3, h4 { font-weight: 700; line-height: 1.2; color: var(--black); letter-spacing: -0.01em; }
h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.5rem); margin-bottom: 1rem; }
h3 { font-size: 1.4rem; margin-bottom: 0.75rem; }
h4 { font-size: 1.15rem; margin-bottom: 0.5rem; }
p  { color: var(--gray-700); }

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

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 1rem;
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
  white-space: nowrap;
}
.btn-primary { background: var(--red); color: var(--white); }
.btn-primary:hover { background: var(--red-dark); color: var(--white); transform: translateY(-2px); box-shadow: var(--shadow-md); }
.btn-outline { background: transparent; color: var(--black); border-color: var(--black); }
.btn-outline:hover { background: var(--black); color: var(--white); }
.btn-outline-white { background: transparent; color: var(--white); border-color: var(--white); }
.btn-outline-white:hover { background: var(--white); color: var(--black); }
.btn-lg { padding: 18px 36px; font-size: 1.05rem; }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  background: var(--white);
  z-index: 100;
  border-bottom: 1px solid var(--gray-200);
  height: var(--header-h);
  display: flex;
  align-items: center;
}
.header-inner { display: flex; align-items: center; justify-content: space-between; width: 100%; }

.logo { display: flex; align-items: center; gap: 12px; font-weight: 800; font-size: 1.25rem; color: var(--black); }
.logo-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px; height: 44px;
}
.logo-mark svg { width: 100%; height: 100%; }
.logo-text { display: flex; flex-direction: column; line-height: 1.1; }
.logo-text .ln1 { color: var(--red); font-weight: 800; }
.logo-text .ln2 { color: var(--black); font-weight: 800; }

.main-nav { display: flex; align-items: center; gap: 8px; }
.main-nav a {
  padding: 10px 16px;
  color: var(--gray-900);
  font-weight: 500;
  font-size: 0.95rem;
  border-radius: var(--radius-sm);
}
.main-nav a:hover, .main-nav a.active { color: var(--red); }

.header-cta { display: flex; align-items: center; gap: 16px; }
.header-phone {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  color: var(--black);
  font-size: 1rem;
}
.header-phone:hover { color: var(--red); }
.header-phone svg { width: 18px; height: 18px; }

.menu-toggle {
  display: none;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 8px;
  width: 44px;
  height: 44px;
  position: relative;
}
.menu-toggle span {
  display: block;
  width: 26px; height: 3px;
  background: var(--black);
  margin: 5px 0;
  border-radius: 2px;
  transition: all 0.25s ease;
  transform-origin: center;
}
.menu-toggle.active span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.menu-toggle.active span:nth-child(2) { opacity: 0; }
.menu-toggle.active span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 600px;
  display: flex;
  align-items: center;
  color: var(--white);
  overflow: hidden;
  background: linear-gradient(135deg, #1a1a1a 0%, #2a2a2a 100%);
}
.hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0.45;
  z-index: 1;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(0,0,0,0.85) 0%, rgba(0,0,0,0.5) 60%, rgba(227,6,19,0.35) 100%);
  z-index: 2;
}
.hero .container { position: relative; z-index: 3; padding-top: 80px; padding-bottom: 80px; }
.hero-eyebrow {
  display: inline-block;
  padding: 6px 14px;
  background: var(--red);
  color: var(--white);
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 20px;
}
.hero h1 { color: var(--white); margin-bottom: 20px; }
.hero h1 .accent { color: var(--red-light); }
.hero p.lead {
  font-size: 1.2rem;
  color: rgba(255,255,255,0.85);
  max-width: 640px;
  margin-bottom: 32px;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; }

.hero-trust {
  display: flex;
  flex-wrap: wrap;
  gap: 28px;
  margin-top: 48px;
  padding-top: 28px;
  border-top: 1px solid rgba(255,255,255,0.15);
}
.hero-trust-item { display: flex; align-items: center; gap: 10px; color: rgba(255,255,255,0.9); font-size: 0.95rem; }
.hero-trust-item svg { color: var(--red-light); width: 22px; height: 22px; flex-shrink: 0; }

/* ---------- Section base ---------- */
section { padding: 80px 0; }
.section-head { text-align: center; max-width: 720px; margin: 0 auto 56px; }
.section-head .eyebrow {
  display: inline-block;
  color: var(--red);
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 12px;
}
.section-head p { font-size: 1.1rem; }
.bg-light { background: var(--gray-50); }
.bg-dark { background: var(--black); color: var(--white); }
.bg-dark h2, .bg-dark h3 { color: var(--white); }
.bg-dark p { color: rgba(255,255,255,0.8); }

/* ---------- Services grid ---------- */
.services-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 24px; }
.service-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}
.service-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: var(--red);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.35s ease;
}
.service-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: transparent; }
.service-card:hover::before { transform: scaleX(1); }
.service-icon {
  width: 60px; height: 60px;
  background: rgba(227,6,19,0.08);
  color: var(--red);
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 20px;
}
.service-icon svg { width: 30px; height: 30px; }
.service-card h3 { color: var(--black); margin-bottom: 10px; }
.service-card p { font-size: 0.95rem; color: var(--gray-500); }
.service-card .more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 18px;
  color: var(--red);
  font-weight: 600;
  font-size: 0.9rem;
}

/* ---------- Why us ---------- */
.why-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 32px; }
.why-card {
  text-align: center;
  padding: 24px 16px;
}
.why-card .num {
  font-size: 3rem;
  font-weight: 800;
  color: var(--red);
  line-height: 1;
  margin-bottom: 8px;
  display: block;
}
.why-card h4 { color: var(--black); margin-bottom: 8px; }
.why-card p { font-size: 0.95rem; }

/* ---------- About split ---------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.split-image {
  background: var(--gray-100) center/cover no-repeat;
  border-radius: var(--radius-lg);
  min-height: 440px;
  box-shadow: var(--shadow-md);
}
.split-content h2 { margin-bottom: 18px; }
.split-content p + p { margin-top: 14px; }
.feature-list { margin-top: 24px; }
.feature-list li {
  list-style: none;
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 8px 0;
  color: var(--gray-700);
}
.feature-list li::before {
  content: "✓";
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  width: 24px; height: 24px;
  border-radius: 50%;
  background: var(--red);
  color: var(--white);
  font-weight: 800;
  font-size: 0.8rem;
}

/* ---------- Areas ---------- */
.areas-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 12px;
  margin-top: 32px;
}
.area-pill {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  font-weight: 500;
  color: var(--gray-900);
  font-size: 0.95rem;
  transition: all var(--transition);
}
.area-pill:hover { border-color: var(--red); color: var(--red); }
.area-pill svg { width: 16px; height: 16px; color: var(--red); flex-shrink: 0; }

/* ---------- Gallery ---------- */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
}
.gallery-item {
  position: relative;
  aspect-ratio: 4/3;
  overflow: hidden;
  border-radius: var(--radius-md);
  background: var(--gray-100);
  cursor: pointer;
}
.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.gallery-item:hover img { transform: scale(1.08); }
.gallery-item::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 60%, rgba(0,0,0,0.5) 100%);
  opacity: 0;
  transition: opacity var(--transition);
}
.gallery-item:hover::after { opacity: 1; }

/* Lightbox */
.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.92);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 200;
  padding: 20px;
}
.lightbox.open { display: flex; }
.lightbox img { max-width: 95vw; max-height: 90vh; border-radius: 6px; }
.lightbox-close {
  position: absolute;
  top: 20px; right: 20px;
  width: 44px; height: 44px;
  background: rgba(255,255,255,0.1);
  border: none;
  border-radius: 50%;
  color: var(--white);
  font-size: 1.5rem;
  cursor: pointer;
}
.lightbox-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 50px; height: 50px;
  background: rgba(255,255,255,0.1);
  border: none;
  border-radius: 50%;
  color: var(--white);
  font-size: 1.6rem;
  cursor: pointer;
}
.lightbox-prev { left: 20px; }
.lightbox-next { right: 20px; }

/* ---------- CTA banner ---------- */
.cta-banner {
  background: linear-gradient(135deg, var(--red) 0%, var(--red-dark) 100%);
  color: var(--white);
  padding: 60px 0;
  text-align: center;
}
.cta-banner h2 { color: var(--white); margin-bottom: 14px; }
.cta-banner p { color: rgba(255,255,255,0.9); font-size: 1.1rem; max-width: 600px; margin: 0 auto 28px; }
.cta-banner .btn-primary { background: var(--white); color: var(--red); }
.cta-banner .btn-primary:hover { background: var(--black); color: var(--white); }
.cta-banner .btn-outline-white:hover { color: var(--red); }

/* ---------- Contact ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 48px; }
.contact-info-card {
  background: var(--gray-50);
  border-radius: var(--radius-lg);
  padding: 36px;
}
.contact-item { display: flex; gap: 14px; margin-bottom: 24px; }
.contact-item:last-child { margin-bottom: 0; }
.contact-item .icon {
  width: 44px; height: 44px;
  background: var(--red);
  color: var(--white);
  display: flex; align-items: center; justify-content: center;
  border-radius: 10px;
  flex-shrink: 0;
}
.contact-item .icon svg { width: 20px; height: 20px; }
.contact-item h4 { margin-bottom: 4px; color: var(--black); font-size: 1rem; }
.contact-item a, .contact-item p { color: var(--gray-700); font-size: 0.95rem; }
.contact-item a:hover { color: var(--red); }

.contact-form { background: var(--white); border-radius: var(--radius-lg); padding: 36px; box-shadow: var(--shadow-md); border: 1px solid var(--gray-200); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 16px; }
.form-group { margin-bottom: 16px; }
.form-group label {
  display: block;
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 6px;
  color: var(--gray-900);
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 1rem;
  background: var(--white);
  transition: border-color var(--transition);
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--red);
  box-shadow: 0 0 0 3px rgba(227,6,19,0.1);
}
.form-group textarea { resize: vertical; min-height: 130px; }
.form-status {
  display: none;
  padding: 14px;
  border-radius: var(--radius-sm);
  margin-bottom: 16px;
  font-size: 0.95rem;
}
.form-status.success { display: block; background: #e8f7ee; color: #1e7a3e; border: 1px solid #b8e0c4; }
.form-status.error { display: block; background: #fdecec; color: #b3261e; border: 1px solid #f5c5c5; }

/* ---------- Process steps ---------- */
.steps { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 28px; }
.step { position: relative; padding: 24px; }
.step-num {
  display: inline-flex;
  align-items: center; justify-content: center;
  width: 48px; height: 48px;
  background: var(--red);
  color: var(--white);
  border-radius: 50%;
  font-weight: 800;
  font-size: 1.1rem;
  margin-bottom: 16px;
}
.step h4 { margin-bottom: 8px; }

/* ---------- FAQ ---------- */
.faq-list { max-width: 820px; margin: 0 auto; }
.faq-item {
  border-bottom: 1px solid var(--gray-200);
  padding: 20px 0;
}
.faq-q {
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  font-weight: 600;
  color: var(--black);
  font-size: 1.05rem;
  list-style: none;
}
.faq-q::after {
  content: "+";
  color: var(--red);
  font-weight: 700;
  font-size: 1.5rem;
  transition: transform var(--transition);
}
.faq-item[open] .faq-q::after { content: "−"; }
.faq-a { margin-top: 12px; color: var(--gray-700); }

/* ---------- Footer ---------- */
.site-footer {
  background: #111;
  color: rgba(255,255,255,0.7);
  padding: 60px 0 20px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 40px;
  margin-bottom: 40px;
}
.footer-col h5 {
  color: var(--white);
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.footer-col a { color: rgba(255,255,255,0.7); }
.footer-col a:hover { color: var(--red-light); }
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 8px; font-size: 0.95rem; }
.footer-brand p { color: rgba(255,255,255,0.6); font-size: 0.95rem; margin-top: 14px; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 20px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 0.875rem;
  color: rgba(255,255,255,0.5);
}

/* ---------- Floating WhatsApp ---------- */
.float-whatsapp {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 60px; height: 60px;
  background: #25D366;
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 24px rgba(37,211,102,0.4);
  z-index: 90;
  animation: pulse-whatsapp 2.5s infinite;
  transition: transform 0.2s ease;
}
.float-whatsapp:hover { transform: scale(1.08); color: var(--white); }
.float-whatsapp svg { width: 32px; height: 32px; }
@keyframes pulse-whatsapp {
  0%, 100% { box-shadow: 0 8px 24px rgba(37,211,102,0.4), 0 0 0 0 rgba(37,211,102,0.5); }
  50% { box-shadow: 0 8px 24px rgba(37,211,102,0.4), 0 0 0 16px rgba(37,211,102,0); }
}

/* ---------- Page header (subpages) ---------- */
.page-header {
  background: linear-gradient(135deg, var(--black) 0%, #2a2a2a 100%);
  color: var(--white);
  padding: 70px 0 50px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.page-header::after {
  content: "";
  position: absolute;
  bottom: 0; left: 50%; transform: translateX(-50%);
  width: 80px; height: 4px;
  background: var(--red);
}
.page-header h1 { color: var(--white); margin-bottom: 10px; }
.breadcrumb { color: rgba(255,255,255,0.6); font-size: 0.95rem; }
.breadcrumb a { color: rgba(255,255,255,0.8); }

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
  .split { grid-template-columns: 1fr; gap: 32px; }
  .split-image { min-height: 280px; }
  .contact-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}

/* Mobile / tablet header: collapse nav into hamburger */
@media (max-width: 1024px) {
  .main-nav {
    position: fixed;
    top: var(--header-h);
    left: 0; right: 0;
    flex-direction: column;
    background: var(--white);
    padding: 8px 24px 20px;
    gap: 0;
    border-top: 1px solid var(--gray-200);
    box-shadow: var(--shadow-md);
    display: none;
    align-items: stretch;
    max-height: calc(100vh - var(--header-h));
    overflow-y: auto;
  }
  .main-nav.open { display: flex; }
  .main-nav a {
    padding: 14px 8px;
    border-bottom: 1px solid var(--gray-100);
    font-size: 1.05rem;
  }
  .main-nav a:last-child { border-bottom: none; }

  .menu-toggle { display: block; }
  .header-phone span { display: none; }
  .header-phone svg { width: 24px; height: 24px; color: var(--red); }
}

@media (max-width: 768px) {
  :root { --header-h: 70px; }
  section { padding: 60px 0; }
  .hero { min-height: 540px; }
  .hero .container { padding-top: 60px; padding-bottom: 60px; }
  .hero-trust { gap: 16px; }

  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }

  .header-cta .btn-primary { display: none; }
}

@media (max-width: 480px) {
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-actions .btn { justify-content: center; }
  .hero-actions .btn { width: 100%; }
  .container { padding: 0 18px; }
}