/* ============================================
   ISOMURÇA - Estilos Principais
   Paleta: Vermelho #E40408 | Azul #2565A8 | Azul claro #BFD9F2
============================================ */

:root {
  --primary:       #E40408;
  --primary-dark:  #b80306;
  --secondary:     #2565A8;
  --secondary-dark:#1a4a7a;
  --accent:        #BFD9F2;
  --bg:            #F4F8FF;
  --surface:       #FFFFFF;
  --surface-2:     #EEF3FB;
  --text:          #0B0C0F;
  --text-muted:    #5a6272;
  --border:        #dde4f0;
  --shadow:        0 4px 24px rgba(37,101,168,0.10);
  --shadow-lg:     0 8px 40px rgba(37,101,168,0.16);
  --radius:        12px;
  --radius-sm:     8px;
  --transition:    0.3s ease;
  --nav-height:    72px;
  --font:          'Inter', sans-serif;
}

[data-theme="dark"] {
  --bg:         #0B0C0F;
  --surface:    #151A22;
  --surface-2:  #1c2435;
  --text:       #F4F8FF;
  --text-muted: #8fa3c0;
  --border:     #2a3548;
  --accent:     #1e3a5f;
  --shadow:     0 4px 24px rgba(0,0,0,0.35);
  --shadow-lg:  0 8px 40px rgba(0,0,0,0.45);
}

/* ---- RESET & BASE ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  transition: background var(--transition), color var(--transition);
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

/* ---- SCROLLBAR ---- */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--secondary); border-radius: 3px; }

/* ============================================
   NAVBAR
============================================ */
.navbar {
  position: fixed; top: 0; left: 0; right: 0;
  height: var(--nav-height);
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center;
  padding: 0 clamp(16px,4vw,48px);
  z-index: 1000;
  box-shadow: 0 2px 12px rgba(0,0,0,0.06);
  transition: background var(--transition), border-color var(--transition);
}
.nav-logo { display:flex; align-items:center; gap:12px; flex-shrink:0; }
.nav-logo img { height: 44px; width: auto; object-fit: contain; }
.nav-links {
  display: flex; gap: 4px; align-items: center;
  margin-left: auto;
}
.nav-links a {
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem; font-weight: 500;
  color: var(--text-muted);
  transition: color var(--transition), background var(--transition);
  white-space: nowrap;
}
.nav-links a:hover,
.nav-links a.active {
  color: var(--primary);
  background: rgba(228,4,8,0.07);
}
.nav-links a.btn-nav-cta {
  background: var(--primary);
  color: #fff !important;
  padding: 8px 18px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  margin-left: 8px;
  transition: background var(--transition), transform var(--transition);
}
.nav-links a.btn-nav-cta:hover {
  background: var(--primary-dark);
  transform: translateY(-1px);
}
.nav-actions { display: flex; align-items: center; gap: 8px; margin-left: 16px; }

/* Theme toggle */
.theme-toggle {
  width: 38px; height: 38px;
  border: 1.5px solid var(--border);
  border-radius: 50%;
  background: var(--surface-2);
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem;
  transition: all var(--transition);
  color: var(--text);
}
.theme-toggle:hover { border-color: var(--secondary); color: var(--secondary); }

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column; gap: 5px;
  cursor: pointer; padding: 6px;
  border: none; background: none;
  z-index: 1001;
}
.hamburger span {
  display: block; width: 24px; height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: all 0.3s;
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile nav overlay */
.mobile-nav {
  display: none;
  position: fixed; inset: 0;
  background: var(--surface);
  z-index: 999;
  flex-direction: column;
  align-items: center; justify-content: center;
  gap: 8px;
}
.mobile-nav.open { display: flex; }
.mobile-nav a {
  font-size: 1.3rem; font-weight: 600;
  padding: 12px 32px;
  border-radius: var(--radius);
  color: var(--text);
  transition: color var(--transition), background var(--transition);
  width: 80%; text-align: center;
}
.mobile-nav a:hover, .mobile-nav a.active { color: var(--primary); background: rgba(228,4,8,0.07); }
.mobile-nav a.btn-cta-mobile {
  background: var(--primary); color: #fff !important;
  margin-top: 8px;
}

/* Page offset */
.page-body { padding-top: var(--nav-height); }

/* ============================================
   HERO (Home)
============================================ */
.hero {
  min-height: calc(100vh - var(--nav-height));
  background: linear-gradient(135deg, var(--secondary-dark) 0%, var(--secondary) 50%, #1e3d6e 100%);
  display: flex; align-items: center;
  padding: 80px clamp(16px,6vw,80px) 80px;
  position: relative; overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute; inset: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="80" cy="20" r="40" fill="rgba(255,255,255,0.03)"/><circle cx="20" cy="80" r="30" fill="rgba(255,255,255,0.03)"/></svg>') center/cover;
}
.hero-content {
  position: relative; z-index: 1;
  max-width: 680px;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 24px; padding: 6px 16px;
  font-size: 0.82rem; font-weight: 600;
  color: rgba(255,255,255,0.9);
  margin-bottom: 24px; letter-spacing: 0.5px;
  text-transform: uppercase;
}
.hero-badge i { color: var(--primary); }
.hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.8rem);
  font-weight: 800; line-height: 1.15;
  color: #fff; margin-bottom: 20px;
  letter-spacing: -0.5px;
}
.hero h1 span { color: var(--primary); }
.hero p {
  font-size: 1.15rem; color: rgba(255,255,255,0.82);
  margin-bottom: 36px; max-width: 520px;
}
.hero-buttons { display: flex; gap: 16px; flex-wrap: wrap; }
.btn-primary {
  background: var(--primary); color: #fff;
  padding: 14px 28px; border-radius: var(--radius);
  font-weight: 700; font-size: 0.95rem;
  display: inline-flex; align-items: center; gap: 8px;
  transition: all var(--transition);
  border: none; cursor: pointer;
  box-shadow: 0 4px 20px rgba(228,4,8,0.4);
}
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 6px 28px rgba(228,4,8,0.5); }
.btn-secondary {
  background: rgba(255,255,255,0.12);
  border: 1.5px solid rgba(255,255,255,0.35);
  color: #fff;
  padding: 14px 28px; border-radius: var(--radius);
  font-weight: 600; font-size: 0.95rem;
  display: inline-flex; align-items: center; gap: 8px;
  transition: all var(--transition);
  cursor: pointer;
}
.btn-secondary:hover { background: rgba(255,255,255,0.22); transform: translateY(-2px); }
.hero-shapes { position: absolute; right: 0; top: 0; bottom: 0; width: 45%; overflow: hidden; }
.hero-shape-1, .hero-shape-2, .hero-shape-3 {
  position: absolute;
  border-radius: 50%;
  background: rgba(255,255,255,0.04);
  animation: float 6s ease-in-out infinite;
}
.hero-shape-1 { width: 500px; height: 500px; right: -100px; top: -100px; }
.hero-shape-2 { width: 350px; height: 350px; right: 50px; bottom: -80px; animation-delay: -2s; }
.hero-shape-3 { width: 200px; height: 200px; right: 200px; top: 40%; animation-delay: -4s; background: rgba(228,4,8,0.08); }
@keyframes float { 0%,100%{transform:translateY(0)} 50%{transform:translateY(-20px)} }

/* Stats bar */
.stats-bar {
  background: var(--surface);
  padding: 32px clamp(16px,5vw,80px);
  border-bottom: 1px solid var(--border);
  display: flex; justify-content: center; gap: 0;
  flex-wrap: wrap;
}
.stat-item {
  text-align: center; padding: 16px 32px;
  border-right: 1px solid var(--border);
  flex: 1; min-width: 150px;
}
.stat-item:last-child { border-right: none; }
.stat-num { font-size: 2.2rem; font-weight: 800; color: var(--primary); }
.stat-label { font-size: 0.85rem; color: var(--text-muted); font-weight: 500; margin-top: 4px; }

/* ============================================
   PAGE HEADER (páginas internas)
============================================ */
.page-header {
  background: linear-gradient(135deg, var(--secondary-dark) 0%, var(--secondary) 100%);
  padding: 60px clamp(16px,6vw,80px);
  text-align: center; position: relative; overflow: hidden;
}
.page-header::before {
  content: '';
  position: absolute; inset: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 200 200"><circle cx="150" cy="50" r="80" fill="rgba(255,255,255,0.03)"/></svg>') center/cover;
}
.page-header > * { position: relative; z-index: 1; }
.page-header h1 { font-size: clamp(2rem,4vw,3rem); font-weight: 800; color: #fff; margin-bottom: 12px; }
.page-header p { font-size: 1.05rem; color: rgba(255,255,255,0.78); max-width: 600px; margin: 0 auto; }
.breadcrumb {
  display: flex; justify-content: center; align-items: center;
  gap: 8px; margin-bottom: 16px;
  font-size: 0.85rem; color: rgba(255,255,255,0.65);
}
.breadcrumb a { color: rgba(255,255,255,0.75); }
.breadcrumb a:hover { color: #fff; }
.breadcrumb i { font-size: 0.7rem; }

/* ============================================
   SECTIONS
============================================ */
.section { padding: 80px clamp(16px,6vw,80px); }
.section-alt { background: var(--surface-2); }
.section-center { text-align: center; }
.section-label {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 0.78rem; font-weight: 700; letter-spacing: 1.5px;
  text-transform: uppercase; color: var(--primary);
  margin-bottom: 12px;
}
.section-label::before { content:''; width:24px; height:2px; background:var(--primary); border-radius:1px; }
.section-title {
  font-size: clamp(1.8rem,3.5vw,2.6rem);
  font-weight: 800; line-height: 1.2;
  color: var(--text); margin-bottom: 16px;
  letter-spacing: -0.3px;
}
.section-title span { color: var(--primary); }
.section-subtitle {
  font-size: 1.05rem; color: var(--text-muted);
  max-width: 600px; margin: 0 auto 48px;
}

/* ============================================
   CARDS
============================================ */
.cards-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px,1fr)); gap: 24px; }
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 28px;
  transition: all var(--transition);
  position: relative; overflow: hidden;
}
.card::before {
  content: '';
  position: absolute; top: 0; left: 0;
  width: 3px; height: 0;
  background: var(--primary);
  transition: height 0.4s ease;
  border-radius: 0 0 2px 2px;
}
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: var(--primary); }
.card:hover::before { height: 100%; }
.card-icon {
  width: 56px; height: 56px;
  background: linear-gradient(135deg, rgba(228,4,8,0.12), rgba(228,4,8,0.06));
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem; color: var(--primary);
  margin-bottom: 20px;
}
.card h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 10px; }
.card p { font-size: 0.92rem; color: var(--text-muted); line-height: 1.7; }

/* ============================================
   GALLERY
============================================ */
.gallery-filters {
  display: flex; flex-wrap: wrap; gap: 10px;
  justify-content: center; margin-bottom: 36px;
}
.filter-btn {
  padding: 8px 20px; border-radius: 24px;
  border: 1.5px solid var(--border);
  background: var(--surface); color: var(--text-muted);
  font-size: 0.88rem; font-weight: 500;
  cursor: pointer; transition: all var(--transition);
}
.filter-btn:hover, .filter-btn.active {
  border-color: var(--primary); color: var(--primary);
  background: rgba(228,4,8,0.06);
}
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px,1fr));
  gap: 16px;
}
.gallery-item {
  position: relative; overflow: hidden;
  border-radius: var(--radius); cursor: pointer;
  aspect-ratio: 4/3;
  background: var(--surface-2);
}
.gallery-item img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.gallery-item:hover img { transform: scale(1.08); }
.gallery-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(11,12,15,0.75) 0%, transparent 50%);
  opacity: 0; transition: opacity var(--transition);
  display: flex; align-items: flex-end;
  padding: 16px;
}
.gallery-item:hover .gallery-overlay { opacity: 1; }
.gallery-overlay span { color: #fff; font-size: 0.88rem; font-weight: 600; }
.gallery-overlay i { color: #fff; font-size: 1.5rem; position: absolute; top: 50%; left: 50%; transform: translate(-50%,-50%); }

/* Lightbox */
.lightbox {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.92);
  z-index: 9999;
  display: none; align-items: center; justify-content: center;
  padding: 20px;
}
.lightbox.open { display: flex; }
.lightbox-img { max-width: 90vw; max-height: 85vh; border-radius: var(--radius); object-fit: contain; }
.lightbox-close {
  position: absolute; top: 20px; right: 20px;
  width: 44px; height: 44px;
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 50%;
  color: #fff; font-size: 1.3rem;
  cursor: pointer; display: flex; align-items: center; justify-content: center;
  transition: all var(--transition);
}
.lightbox-close:hover { background: var(--primary); }
.lightbox-nav {
  position: absolute; top: 50%; transform: translateY(-50%);
  width: 48px; height: 48px;
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 50%;
  color: #fff; font-size: 1.2rem;
  cursor: pointer; display: flex; align-items: center; justify-content: center;
  transition: all var(--transition);
}
.lightbox-nav:hover { background: var(--primary); }
.lightbox-prev { left: 20px; }
.lightbox-next { right: 20px; }
.lightbox-caption {
  position: absolute; bottom: 24px; left: 0; right: 0;
  text-align: center; color: rgba(255,255,255,0.75); font-size: 0.9rem;
}

/* ============================================
   PARTNERS
============================================ */
.partners-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px,1fr));
  gap: 24px;
}
.partner-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 24px;
  display: flex; align-items: center; justify-content: center;
  min-height: 120px;
  transition: all var(--transition);
}
.partner-card:hover { border-color: var(--secondary); box-shadow: var(--shadow); transform: translateY(-4px); }
.partner-card img { max-height: 60px; max-width: 160px; width: auto; object-fit: contain; filter: grayscale(30%); transition: filter var(--transition); }
.partner-card:hover img { filter: grayscale(0); }
.partner-card .partner-name {
  font-size: 1.1rem; font-weight: 700;
  color: var(--text-muted); letter-spacing: 0.5px;
}

/* ============================================
   CONTACT
============================================ */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px; align-items: start;
}
.contact-info { display: flex; flex-direction: column; gap: 24px; }
.contact-card {
  display: flex; gap: 16px; align-items: flex-start;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 24px;
}
.contact-card-icon {
  width: 44px; height: 44px; flex-shrink: 0;
  background: linear-gradient(135deg, rgba(228,4,8,0.12), rgba(228,4,8,0.06));
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem; color: var(--primary);
}
.contact-card-body h4 { font-size: 0.85rem; color: var(--text-muted); font-weight: 500; margin-bottom: 4px; text-transform: uppercase; letter-spacing: 0.5px; }
.contact-card-body p, .contact-card-body a { font-size: 0.97rem; font-weight: 600; color: var(--text); }
.contact-card-body a:hover { color: var(--primary); }

.whatsapp-btn {
  display: inline-flex; align-items: center; gap: 10px;
  background: #25D366; color: #fff !important;
  padding: 14px 24px; border-radius: var(--radius);
  font-weight: 700; font-size: 0.97rem;
  transition: all var(--transition);
  width: 100%; justify-content: center;
  box-shadow: 0 4px 16px rgba(37,211,102,0.3);
}
.whatsapp-btn:hover { background: #1da851; transform: translateY(-2px); box-shadow: 0 6px 24px rgba(37,211,102,0.45); }

/* Map */
.map-container {
  border-radius: var(--radius); overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}
.map-container iframe { display: block; width: 100%; height: 420px; border: none; }

/* Contact form */
.contact-form { display: flex; flex-direction: column; gap: 16px; }
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group label { font-size: 0.85rem; font-weight: 600; color: var(--text); }
.form-group input,
.form-group textarea,
.form-group select {
  padding: 12px 16px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface);
  color: var(--text);
  font-size: 0.95rem; font-family: var(--font);
  transition: border-color var(--transition);
  outline: none;
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus { border-color: var(--secondary); }
.form-group textarea { resize: vertical; min-height: 120px; }

/* ============================================
   TESTIMONIALS
============================================ */
.testimonials-grid { display: grid; grid-template-columns: repeat(auto-fill,minmax(280px,1fr)); gap: 24px; }
.testimonial-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
}
.testimonial-stars { color: #f59e0b; font-size: 0.9rem; margin-bottom: 12px; letter-spacing: 2px; }
.testimonial-text { font-size: 0.95rem; color: var(--text-muted); line-height: 1.75; margin-bottom: 20px; font-style: italic; }
.testimonial-author { display: flex; align-items: center; gap: 12px; }
.testimonial-avatar {
  width: 44px; height: 44px; border-radius: 50%;
  background: linear-gradient(135deg, var(--secondary), var(--primary));
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-weight: 700; font-size: 1rem; flex-shrink: 0;
}
.testimonial-name { font-weight: 700; font-size: 0.92rem; }
.testimonial-role { font-size: 0.8rem; color: var(--text-muted); }

/* ============================================
   CTA BANNER
============================================ */
.cta-banner {
  background: linear-gradient(135deg, var(--primary) 0%, #c00005 100%);
  padding: 64px clamp(16px,6vw,80px);
  text-align: center; position: relative; overflow: hidden;
}
.cta-banner::before {
  content:''; position:absolute; inset:0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="90" cy="10" r="60" fill="rgba(255,255,255,0.05)"/></svg>') center/cover;
}
.cta-banner > * { position: relative; z-index: 1; }
.cta-banner h2 { font-size: clamp(1.8rem,3vw,2.6rem); font-weight: 800; color: #fff; margin-bottom: 12px; }
.cta-banner p { font-size: 1.05rem; color: rgba(255,255,255,0.85); margin-bottom: 32px; }
.btn-white {
  background: #fff; color: var(--primary) !important;
  padding: 14px 32px; border-radius: var(--radius);
  font-weight: 700; font-size: 1rem;
  display: inline-flex; align-items: center; gap: 8px;
  transition: all var(--transition);
  box-shadow: 0 4px 20px rgba(0,0,0,0.15);
}
.btn-white:hover { transform: translateY(-2px); box-shadow: 0 8px 32px rgba(0,0,0,0.25); }

/* ============================================
   FOOTER
============================================ */
.footer {
  background: #080a0e;
  color: rgba(255,255,255,0.75);
  padding: 64px clamp(16px,6vw,80px) 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.2fr;
  gap: 48px; margin-bottom: 48px;
}
.footer-logo { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; }
.footer-logo img { height: 40px; width: auto; filter: brightness(0) invert(1); }
.footer-about { font-size: 0.9rem; line-height: 1.75; color: rgba(255,255,255,0.58); }
.footer h4 { font-size: 0.88rem; font-weight: 700; color: #fff; text-transform: uppercase; letter-spacing: 1px; margin-bottom: 20px; }
.footer-links { display: flex; flex-direction: column; gap: 10px; }
.footer-links a { font-size: 0.9rem; color: rgba(255,255,255,0.58); transition: color var(--transition); display: flex; align-items: center; gap: 8px; }
.footer-links a::before { content: '›'; color: var(--primary); font-size: 1.1rem; }
.footer-links a:hover { color: #fff; }
.footer-contact { display: flex; flex-direction: column; gap: 12px; }
.footer-contact-item { display: flex; gap: 12px; align-items: flex-start; }
.footer-contact-item i { color: var(--primary); margin-top: 2px; flex-shrink: 0; }
.footer-contact-item span { font-size: 0.88rem; color: rgba(255,255,255,0.65); }
.footer-social { display: flex; gap: 10px; margin-top: 16px; }
.social-btn {
  width: 38px; height: 38px;
  border-radius: 50%; border: 1px solid rgba(255,255,255,0.2);
  display: flex; align-items: center; justify-content: center;
  color: rgba(255,255,255,0.65); font-size: 0.9rem;
  transition: all var(--transition);
}
.social-btn:hover { background: var(--primary); border-color: var(--primary); color: #fff; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 20px 0;
  display: flex; justify-content: space-between; align-items: center;
  font-size: 0.82rem; color: rgba(255,255,255,0.4);
  flex-wrap: wrap; gap: 8px;
}
.footer-bottom a { color: rgba(255,255,255,0.4); }
.footer-bottom a:hover { color: var(--primary); }

/* ============================================
   BACK TO TOP
============================================ */
.back-to-top {
  position: fixed; bottom: 24px; right: 24px;
  width: 44px; height: 44px;
  background: var(--primary);
  color: #fff; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem; box-shadow: 0 4px 16px rgba(228,4,8,0.4);
  opacity: 0; pointer-events: none;
  transition: all var(--transition);
  z-index: 999; cursor: pointer;
}
.back-to-top.visible { opacity: 1; pointer-events: all; }
.back-to-top:hover { transform: translateY(-4px); }

/* WhatsApp Float */
.whatsapp-float {
  position: fixed; bottom: 80px; right: 24px;
  width: 52px; height: 52px;
  background: #25D366;
  color: #fff; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem; box-shadow: 0 4px 20px rgba(37,211,102,0.45);
  z-index: 999; cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
}
.whatsapp-float:hover { transform: scale(1.1); background: #1da851; }

/* ============================================
   ADMIN PAGE
============================================ */
.admin-layout {
  min-height: 100vh; background: var(--bg);
  display: flex; flex-direction: column;
}
.admin-header {
  background: #0B0C0F;
  padding: 16px clamp(16px,4vw,48px);
  display: flex; align-items: center; gap: 16px;
  border-bottom: 2px solid var(--primary);
}
.admin-header h1 { color: #fff; font-size: 1.2rem; font-weight: 700; }
.admin-header .admin-badge {
  background: var(--primary); color: #fff;
  font-size: 0.72rem; font-weight: 700;
  padding: 3px 10px; border-radius: 12px;
  text-transform: uppercase; letter-spacing: 0.5px;
}
.admin-body { flex: 1; padding: 40px clamp(16px,4vw,48px); }
.admin-section {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px; margin-bottom: 24px;
}
.admin-section h2 { font-size: 1.1rem; font-weight: 700; margin-bottom: 4px; }
.admin-section p { font-size: 0.88rem; color: var(--text-muted); margin-bottom: 24px; }
.logo-preview-box {
  width: 100%; max-width: 360px;
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  padding: 24px; text-align: center;
  background: var(--surface-2);
  margin-bottom: 20px;
  transition: border-color var(--transition);
  cursor: pointer;
}
.logo-preview-box:hover { border-color: var(--secondary); }
.logo-preview-box img { max-height: 80px; margin: 0 auto; }
.logo-preview-box p { font-size: 0.85rem; color: var(--text-muted); margin-top: 12px; margin-bottom: 0; }
.admin-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.btn-admin {
  padding: 10px 22px; border-radius: var(--radius-sm);
  font-weight: 600; font-size: 0.9rem;
  cursor: pointer; border: none;
  display: inline-flex; align-items: center; gap: 8px;
  transition: all var(--transition);
}
.btn-admin-primary { background: var(--primary); color: #fff; }
.btn-admin-primary:hover { background: var(--primary-dark); }
.btn-admin-secondary { background: var(--surface-2); color: var(--text); border: 1.5px solid var(--border); }
.btn-admin-secondary:hover { border-color: var(--secondary); color: var(--secondary); }
.btn-admin-danger { background: #fff0f0; color: var(--primary); border: 1.5px solid var(--primary); }
.btn-admin-danger:hover { background: var(--primary); color: #fff; }
.admin-login {
  min-height: 100vh; display: flex; align-items: center; justify-content: center;
  background: var(--bg); padding: 20px;
}
.admin-login-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 48px 40px; width: 100%; max-width: 400px;
  box-shadow: var(--shadow-lg);
  text-align: center;
}
.admin-login-card .logo-area { margin-bottom: 32px; }
.admin-login-card h2 { font-size: 1.5rem; font-weight: 800; margin-bottom: 6px; }
.admin-login-card p { font-size: 0.9rem; color: var(--text-muted); margin-bottom: 32px; }
.alert {
  padding: 12px 16px; border-radius: var(--radius-sm);
  font-size: 0.88rem; font-weight: 500; margin-bottom: 16px;
  display: none;
}
.alert-error { background: #fff0f0; color: var(--primary); border: 1px solid rgba(228,4,8,0.2); }
.alert-success { background: #f0fdf4; color: #166534; border: 1px solid rgba(22,101,52,0.2); }
.alert.show { display: block; }

/* ============================================
   ABOUT PAGE
============================================ */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.about-text { display: flex; flex-direction: column; gap: 20px; }
.about-text p { font-size: 1rem; color: var(--text-muted); line-height: 1.8; }
.about-highlights { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 8px; }
.highlight-item {
  display: flex; align-items: flex-start; gap: 12px;
  padding: 16px; background: var(--surface-2);
  border-radius: var(--radius-sm); border-left: 3px solid var(--primary);
}
.highlight-item i { color: var(--primary); font-size: 1.1rem; margin-top: 2px; }
.highlight-item span { font-size: 0.9rem; font-weight: 600; }
.about-image-wrap { position: relative; }
.about-image-wrap img { width: 100%; border-radius: var(--radius); box-shadow: var(--shadow-lg); }
.about-badge-floating {
  position: absolute; bottom: -20px; left: -20px;
  background: var(--primary);
  color: #fff; padding: 20px 24px;
  border-radius: var(--radius);
  text-align: center;
  box-shadow: 0 8px 32px rgba(228,4,8,0.35);
}
.about-badge-floating .num { font-size: 2rem; font-weight: 800; display: block; }
.about-badge-floating .lbl { font-size: 0.82rem; opacity: 0.9; }

/* Values grid */
.values-grid { display: grid; grid-template-columns: repeat(auto-fill,minmax(220px,1fr)); gap: 24px; }
.value-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 28px 24px;
  text-align: center; transition: all var(--transition);
}
.value-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: var(--secondary); }
.value-icon {
  width: 60px; height: 60px; margin: 0 auto 16px;
  background: linear-gradient(135deg, rgba(37,101,168,0.12), rgba(37,101,168,0.06));
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem; color: var(--secondary);
}
.value-card h3 { font-size: 1rem; font-weight: 700; margin-bottom: 8px; }
.value-card p { font-size: 0.88rem; color: var(--text-muted); line-height: 1.65; }

/* Services page */
.service-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); overflow: hidden;
  transition: all var(--transition);
}
.service-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.service-img {
  height: 200px; overflow: hidden;
  background: linear-gradient(135deg, var(--secondary-dark), var(--secondary));
  display: flex; align-items: center; justify-content: center;
  font-size: 3rem; color: rgba(255,255,255,0.5);
  position: relative;
}
.service-img i { font-size: 3.5rem; }
.service-body { padding: 24px; }
.service-body h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 10px; }
.service-body p { font-size: 0.92rem; color: var(--text-muted); line-height: 1.7; margin-bottom: 16px; }
.service-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.tag {
  background: rgba(37,101,168,0.1); color: var(--secondary);
  padding: 4px 10px; border-radius: 12px;
  font-size: 0.78rem; font-weight: 600;
}
[data-theme="dark"] .tag { background: rgba(37,101,168,0.2); }

/* ============================================
   ANIMATIONS
============================================ */
.fade-in { opacity: 0; transform: translateY(24px); transition: opacity 0.6s ease, transform 0.6s ease; }
.fade-in.visible { opacity: 1; transform: translateY(0); }

/* ============================================
   RESPONSIVE
============================================ */
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .about-grid { grid-template-columns: 1fr; }
  .about-image-wrap { order: -1; }
  .about-badge-floating { bottom: 16px; left: 16px; }
}

@media (max-width: 768px) {
  :root { --nav-height: 64px; }
  .nav-links { display: none; }
  .nav-actions .theme-toggle { display: flex; }
  .hamburger { display: flex; }
  .hero { padding: 48px 16px; min-height: auto; padding-top: 80px; }
  .hero-shapes { display: none; }
  .stats-bar { gap: 0; }
  .stat-item { padding: 16px; border-right: none; border-bottom: 1px solid var(--border); }
  .stat-item:last-child { border-bottom: none; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .about-highlights { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .map-container iframe { height: 280px; }
  .admin-login-card { padding: 32px 24px; }
}

@media (max-width: 480px) {
  .hero h1 { font-size: 1.9rem; }
  .section { padding: 56px 16px; }
  .cards-grid { grid-template-columns: 1fr; }
  .partners-grid { grid-template-columns: repeat(2,1fr); }
  .gallery-grid { grid-template-columns: repeat(2,1fr); }
}