/* ============================================
   EMPREUS INTERNATIONAL — SHARED STYLESHEET
   ============================================ */

/* Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:wght@400;600;700&family=Inter:wght@300;400;500;600;700&display=swap');

/* ---- CSS Variables ---- */
:root {
  --blue:        #3F72AF;
  --blue-dark:   #112D4E;
  --blue-mid:    #2C5898;
  --blue-light:  #DBE2EF;
  --blue-pale:   #F3F6FB;
  --gold:        #F5C518;
  --gold-dark:   #D4A900;
  --white:       #FFFFFF;
  --text:        #1A1A2E;
  --text-mid:    #4A4A6A;
  --text-light:  #7A7A9A;
  --border:      #D8E2F0;
  --shadow:      0 4px 24px rgba(17,45,78,0.10);
  --shadow-sm:   0 2px 8px rgba(17,45,78,0.08);
  --radius:      10px;
  --radius-lg:   18px;
}

/* ---- Reset & Base ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', system-ui, sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.6;
  font-size: 16px;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

/* ---- Typography ---- */
h1, h2, h3, h4 { font-family: 'Playfair Display', Georgia, serif; line-height: 1.25; }
h1 { font-size: clamp(2rem, 4vw, 3.2rem); font-weight: 700; }
h2 { font-size: clamp(1.6rem, 3vw, 2.4rem); font-weight: 600; }
h3 { font-size: clamp(1.2rem, 2.2vw, 1.55rem); font-weight: 600; }
h4 { font-size: 1.1rem; font-weight: 600; }
p  { color: var(--text-mid); line-height: 1.75; }

/* ---- Container ---- */
.container { max-width: 1180px; margin: 0 auto; padding: 0 24px; }
.section    { padding: 80px 0; }
.section-sm { padding: 56px 0; }

/* ============================================
   NAVIGATION
   ============================================ */
.nav {
  background: var(--white);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 12px rgba(17,45,78,0.07);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 24px;
  max-width: 1180px;
  margin: 0 auto;
}
.nav-logo img { height: 60px; width: auto; }
.nav-logo-text {
  color: var(--text-mid);
  font-family: 'Inter', sans-serif;
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-top: 2px;
  opacity: 0.7;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav-links a {
  color: var(--text-mid);
  font-size: 0.88rem;
  font-weight: 500;
  padding: 7px 13px;
  border-radius: 6px;
  transition: background 0.18s, color 0.18s;
  letter-spacing: 0.01em;
}
.nav-links a:hover, .nav-links a.active {
  background: var(--blue-pale);
  color: var(--blue-dark);
}
.nav-cta {
  background: var(--blue) !important;
  color: var(--white) !important;
  font-weight: 600 !important;
  padding: 8px 18px !important;
  border-radius: 7px !important;
  margin-left: 8px;
  transition: background 0.18s !important;
}
.nav-cta:hover { background: var(--blue-mid) !important; }

/* Mobile nav toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--blue-dark);
  border-radius: 2px;
  transition: all 0.2s;
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: 'Inter', sans-serif;
  font-weight: 600;
  font-size: 0.95rem;
  padding: 13px 28px;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.2s;
  border: 2px solid transparent;
  letter-spacing: 0.01em;
}
.btn-primary {
  background: var(--blue);
  color: var(--white);
  border-color: var(--blue);
}
.btn-primary:hover {
  background: var(--blue-mid);
  border-color: var(--blue-mid);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(63,114,175,0.35);
}
.btn-outline {
  background: transparent;
  color: var(--white);
  border-color: rgba(255,255,255,0.6);
}
.btn-outline:hover {
  background: rgba(255,255,255,0.1);
  border-color: var(--white);
}
.btn-gold {
  background: var(--gold);
  color: var(--blue-dark);
  border-color: var(--gold);
}
.btn-gold:hover {
  background: var(--gold-dark);
  border-color: var(--gold-dark);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(245,197,24,0.4);
}
.btn-whatsapp {
  background: #25D366;
  color: var(--white);
  border-color: #25D366;
  font-size: 1rem;
  padding: 14px 32px;
}
.btn-whatsapp:hover {
  background: #1DAA55;
  border-color: #1DAA55;
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(37,211,102,0.35);
}
.btn-lg { padding: 16px 36px; font-size: 1.05rem; }
.btn-sm { padding: 9px 20px; font-size: 0.85rem; }

/* ============================================
   PAGE HERO (shared)
   ============================================ */
.page-hero {
  background: linear-gradient(135deg, var(--blue-dark) 0%, var(--blue) 100%);
  padding: 72px 0 64px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Ccircle cx='30' cy='30' r='28'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E") repeat;
  pointer-events: none;
}
.page-hero .container { position: relative; }
.page-hero .eyebrow {
  display: inline-block;
  background: rgba(255,255,255,0.12);
  color: rgba(255,255,255,0.9);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 20px;
}
.page-hero h1 { color: var(--white); margin-bottom: 16px; }
.page-hero p  { color: rgba(255,255,255,0.78); font-size: 1.1rem; max-width: 600px; margin: 0 auto; }

/* ============================================
   SECTION HEADINGS
   ============================================ */
.section-heading { text-align: center; margin-bottom: 56px; }
.section-heading .eyebrow {
  display: inline-block;
  color: var(--blue);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: 12px;
}
.section-heading h2 { color: var(--blue-dark); margin-bottom: 14px; }
.section-heading p  { max-width: 580px; margin: 0 auto; font-size: 1.05rem; }

/* ============================================
   STATS BAR
   ============================================ */
.stats-bar {
  background: var(--blue-dark);
  padding: 36px 0;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  text-align: center;
}
.stat-item { padding: 8px 20px; border-right: 1px solid rgba(255,255,255,0.12); }
.stat-item:last-child { border-right: none; }
.stat-item .num {
  font-family: 'Playfair Display', serif;
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--gold);
  line-height: 1;
  margin-bottom: 6px;
}
.stat-item .label {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.65);
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

/* ============================================
   CARDS
   ============================================ */
.card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.2s, transform 0.2s;
}
.card:hover { box-shadow: var(--shadow); transform: translateY(-3px); }
.card-body { padding: 28px; }

/* ============================================
   FEATURE ICON BOXES
   ============================================ */
.icon-box {
  display: flex;
  align-items: flex-start;
  gap: 18px;
}
.icon-box .icon {
  flex-shrink: 0;
  width: 52px;
  height: 52px;
  background: var(--blue-pale);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
}
.icon-box h4 { color: var(--blue-dark); margin-bottom: 6px; }
.icon-box p  { font-size: 0.92rem; }

/* ============================================
   CLIENT LOGOS STRIP
   ============================================ */
.clients-strip {
  background: var(--blue-pale);
  padding: 40px 0;
}
.clients-strip .label {
  text-align: center;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-light);
  margin-bottom: 28px;
}
.logos-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 32px 48px;
}
.logos-row img {
  height: 40px;
  width: auto;
  object-fit: contain;
  filter: grayscale(100%);
  opacity: 0.55;
  transition: filter 0.2s, opacity 0.2s;
}
.logos-row img:hover { filter: grayscale(0%); opacity: 1; }

/* ============================================
   CTA BAND
   ============================================ */
.cta-band {
  background: linear-gradient(135deg, var(--blue-dark) 0%, var(--blue) 100%);
  padding: 72px 0;
  text-align: center;
}
.cta-band h2 { color: var(--white); margin-bottom: 14px; }
.cta-band p  { color: rgba(255,255,255,0.75); margin-bottom: 32px; font-size: 1.05rem; max-width: 540px; margin-left: auto; margin-right: auto; }
.cta-band .btn-row { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* ============================================
   FOOTER
   ============================================ */
.footer {
  background: var(--blue-dark);
  color: rgba(255,255,255,0.65);
  padding: 56px 0 28px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 40px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  margin-bottom: 28px;
}
.footer-brand img { height: 50px; margin-bottom: 14px; }
.footer-brand p   { font-size: 0.88rem; line-height: 1.7; max-width: 280px; }
.footer h4 { color: var(--white); font-family: 'Inter', sans-serif; font-size: 0.82rem; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; margin-bottom: 16px; }
.footer ul li { margin-bottom: 9px; }
.footer ul li a { font-size: 0.9rem; transition: color 0.15s; }
.footer ul li a:hover { color: var(--white); }
.footer-contact p { font-size: 0.9rem; line-height: 1.8; }
.footer-contact a { color: rgba(255,255,255,0.65); }
.footer-contact a:hover { color: var(--white); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.82rem;
  flex-wrap: wrap;
  gap: 8px;
}

/* ============================================
   LENS TABLE
   ============================================ */
.lens-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
}
.lens-table th {
  background: var(--blue-dark);
  color: var(--white);
  padding: 14px 18px;
  text-align: left;
  font-weight: 600;
  font-size: 0.82rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.lens-table td {
  padding: 13px 18px;
  border-bottom: 1px solid var(--border);
  color: var(--text-mid);
}
.lens-table tr:last-child td { border-bottom: none; }
.lens-table tr:nth-child(even) td { background: var(--blue-pale); }
.lens-table .tag {
  display: inline-block;
  background: var(--blue-light);
  color: var(--blue-dark);
  font-size: 0.76rem;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 100px;
  margin: 2px;
}

/* ============================================
   BREADCRUMB
   ============================================ */
.breadcrumb {
  background: var(--blue-pale);
  padding: 12px 0;
  font-size: 0.82rem;
  color: var(--text-light);
}
.breadcrumb a { color: var(--blue); }
.breadcrumb a:hover { text-decoration: underline; }
.breadcrumb span { margin: 0 6px; }

/* ============================================
   FORM
   ============================================ */
.form-group { margin-bottom: 20px; }
.form-group label {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 7px;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid var(--border);
  border-radius: 8px;
  font-family: 'Inter', sans-serif;
  font-size: 0.95rem;
  color: var(--text);
  background: var(--white);
  transition: border-color 0.15s, box-shadow 0.15s;
  outline: none;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(63,114,175,0.12);
}
.form-group textarea { min-height: 130px; resize: vertical; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }

/* ============================================
   UTILITY
   ============================================ */
.text-center { text-align: center; }
.text-blue    { color: var(--blue); }
.text-navy    { color: var(--blue-dark); }
.text-gold    { color: var(--gold-dark); }
.bg-pale      { background: var(--blue-pale); }
.bg-white     { background: var(--white); }
.mb-0 { margin-bottom: 0; }
.mt-8 { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mt-32 { margin-top: 32px; }

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 900px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .stat-item:nth-child(2) { border-right: none; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
  .form-grid { grid-template-columns: 1fr; }
}

@media (max-width: 700px) {
  .nav-links { display: none; flex-direction: column; gap: 4px; }
  .nav-links.open {
    display: flex;
    position: absolute;
    top: 84px;
    left: 0;
    right: 0;
    background: var(--white);
    padding: 16px;
    border-top: 1px solid var(--border);
    box-shadow: 0 8px 20px rgba(17,45,78,0.1);
  }
  .nav-toggle { display: flex; }
  .nav { position: relative; }
  .section { padding: 56px 0; }
  .footer-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 480px) {
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .cta-band .btn-row { flex-direction: column; align-items: center; }
}