/* ============================================
   TACTANT — GLOBAL STYLESHEET
   ============================================ */

/* ---------- CSS VARIABLES ---------- */
:root {
  --color-primary:     #2563EB;
  --color-primary-dark:#1D4ED8;
  --color-primary-light:#EFF6FF;
  --color-accent:      #06B6D4;
  --color-highlight:   #F59E0B;

  --color-text:        #1E293B;
  --color-text-muted:  #64748B;
  --color-text-light:  #94A3B8;

  --color-bg:          #FFFFFF;
  --color-bg-light:    #F8FAFC;
  --color-bg-dark:     #0F172A;

  --color-border:      #E2E8F0;
  --color-white:       #FFFFFF;

  --font-sans:         'Inter', sans-serif;

  --radius-sm:         6px;
  --radius-md:         12px;
  --radius-lg:         20px;
  --radius-xl:         32px;

  --shadow-sm:   0 1px 3px rgba(0,0,0,0.08);
  --shadow-md:   0 4px 16px rgba(0,0,0,0.10);
  --shadow-lg:   0 8px 32px rgba(0,0,0,0.12);
  --shadow-blue: 0 8px 32px rgba(37,99,235,0.18);

  --transition:  all 0.25s ease;
  --max-width:   1200px;
}

/* ---------- RESET ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-sans);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

/* ---------- TYPOGRAPHY ---------- */
h1, h2, h3, h4, h5 {
  font-weight: 700;
  line-height: 1.25;
  color: var(--color-text);
}
h1 { font-size: clamp(2.2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.6rem); }
h3 { font-size: 1.3rem; }
h4 { font-size: 1.1rem; }
p  { color: var(--color-text-muted); }

/* ---------- LAYOUT ---------- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}
.section-pad { padding: 96px 0; }
.bg-light { background: var(--color-bg-light); }

/* ---------- BUTTONS ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.95rem;
  transition: var(--transition);
  white-space: nowrap;
}
.btn-large { padding: 15px 32px; font-size: 1rem; }
.btn-primary {
  background: var(--color-primary);
  color: var(--color-white);
  box-shadow: var(--shadow-blue);
}
.btn-primary:hover {
  background: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(37,99,235,0.28);
}
.btn-outline {
  border: 2px solid var(--color-primary);
  color: var(--color-primary);
  background: transparent;
}
.btn-outline:hover {
  background: var(--color-primary);
  color: var(--color-white);
  transform: translateY(-2px);
}
.btn-white {
  background: var(--color-white);
  color: var(--color-primary);
  font-weight: 700;
}
.btn-white:hover {
  background: var(--color-primary-light);
  transform: translateY(-2px);
}
.btn-outline-white {
  border: 2px solid rgba(255,255,255,0.7);
  color: var(--color-white);
  background: transparent;
}
.btn-outline-white:hover {
  background: rgba(255,255,255,0.15);
  transform: translateY(-2px);
}

/* ---------- SECTION HEADER ---------- */
.section-header {
  text-align: center;
  max-width: 660px;
  margin: 0 auto 56px;
}
.section-badge {
  display: inline-block;
  background: var(--color-primary-light);
  color: var(--color-primary);
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  padding: 5px 14px;
  border-radius: 100px;
  margin-bottom: 14px;
}
.section-title { margin-bottom: 16px; }
.section-subtitle { color: var(--color-text-muted); font-size: 1.05rem; }
.section-cta { text-align: center; margin-top: 48px; }

/* ============================================
   HEADER & NAVIGATION
   ============================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  transition: var(--transition);
}
.site-header.scrolled { box-shadow: var(--shadow-md); }
.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  height: 72px;
}

/* Logo */
.logo { display: flex; align-items: center; gap: 10px; }
.logo-text {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--color-primary);
  letter-spacing: -0.5px;
}

/* Nav List */
.nav-list {
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav-link {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.93rem;
  font-weight: 500;
  color: var(--color-text);
  transition: var(--transition);
}
.nav-link:hover, .nav-link.active {
  color: var(--color-primary);
  background: var(--color-primary-light);
}
.nav-link .fa-chevron-down {
  font-size: 0.65rem;
  transition: transform 0.25s ease;
}

/* Dropdown */
.nav-dropdown { position: relative; }
.nav-dropdown:hover .dropdown-menu { opacity: 1; visibility: visible; transform: translateY(0); }
.nav-dropdown:hover .fa-chevron-down { transform: rotate(180deg); }
.dropdown-menu {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  min-width: 180px;
  padding: 8px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: var(--transition);
  z-index: 100;
}
.dropdown-menu li a {
  display: block;
  padding: 9px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text);
  transition: var(--transition);
}
.dropdown-menu li a:hover {
  background: var(--color-primary-light);
  color: var(--color-primary);
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 6px;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2.5px;
  background: var(--color-text);
  border-radius: 4px;
  transition: var(--transition);
}
.hamburger.open span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
  background: linear-gradient(135deg, #EFF6FF 0%, #F0F9FF 50%, #ECFDF5 100%);
  padding: 96px 0 80px;
  overflow: hidden;
}
.hero-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.hero-badge {
  display: inline-block;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  color: white;
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  padding: 5px 14px;
  border-radius: 100px;
  margin-bottom: 20px;
}
.hero-title {
  margin-bottom: 20px;
  color: var(--color-text);
}
.highlight {
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-description {
  font-size: 1.1rem;
  color: var(--color-text-muted);
  max-width: 500px;
  margin-bottom: 36px;
}
.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}
.hero-stats {
  display: flex;
  gap: 40px;
  flex-wrap: wrap;
}
.stat { display: flex; flex-direction: column; }
.stat-number {
  font-size: 1.9rem;
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1;
}
.stat-label { font-size: 0.82rem; color: var(--color-text-muted); margin-top: 4px; }

/* Hero Visual */
.hero-visual {
  position: relative;
  height: 420px;
}
.hero-blob {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(37,99,235,0.12), rgba(6,182,212,0.12));
  border-radius: 50% 40% 60% 40% / 40% 60% 40% 60%;
  animation: blobPulse 6s ease-in-out infinite;
}
@keyframes blobPulse {
  0%, 100% { border-radius: 50% 40% 60% 40% / 40% 60% 40% 60%; transform: scale(1); }
  50%       { border-radius: 40% 60% 40% 60% / 60% 40% 60% 40%; transform: scale(1.04); }
}
.hero-card {
  position: absolute;
  background: var(--color-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: 16px 20px;
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--color-text);
  animation: floatCard 4s ease-in-out infinite;
}
.hero-card i {
  font-size: 1.4rem;
  color: var(--color-primary);
}
.card-1 { top: 10%; left: 5%;  animation-delay: 0s;   }
.card-2 { top: 42%; right: 5%; animation-delay: 1.5s; }
.card-3 { bottom: 12%; left: 15%; animation-delay: 0.8s; }
@keyframes floatCard {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-10px); }
}

/* ============================================
   TRUST BAR
   ============================================ */
.trust-bar {
  background: var(--color-bg);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  padding: 28px 0;
}
.trust-bar .container {
  display: flex;
  align-items: center;
  gap: 32px;
  flex-wrap: wrap;
  justify-content: center;
}
.trust-label {
  font-size: 0.82rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--color-text-light);
  white-space: nowrap;
}
.trust-logos {
  display: flex;
  gap: 32px;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
}
.trust-logo {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--color-text-light);
  letter-spacing: 0.5px;
  transition: var(--transition);
}
.trust-logo:hover { color: var(--color-primary); }

/* ============================================
   SOLUTIONS GRID
   ============================================ */
.solutions-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.solution-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.solution-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  opacity: 0;
  transition: var(--transition);
}
.solution-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}
.solution-card:hover::before { opacity: 1; }
.solution-card.featured {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: white;
  border-color: transparent;
}
.solution-card.featured h3,
.solution-card.featured p { color: rgba(255,255,255,0.95); }
.solution-card.featured .card-link { color: rgba(255,255,255,0.9); }
.solution-card.featured::before { display: none; }
.solution-icon {
  width: 52px; height: 52px;
  background: var(--color-primary-light);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}
.solution-icon i { font-size: 1.3rem; color: var(--color-primary); }
.solution-card.featured .solution-icon {
  background: rgba(255,255,255,0.2);
}
.solution-card.featured .solution-icon i { color: white; }
.solution-card h3 { margin-bottom: 10px; }
.solution-card p  { font-size: 0.93rem; margin-bottom: 20px; }
.card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--color-primary);
  transition: var(--transition);
}
.card-link:hover { gap: 10px; }
.card-badge {
  display: inline-block;
  background: rgba(255,255,255,0.25);
  color: white;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: 3px 10px;
  border-radius: 100px;
  margin-bottom: 12px;
  position: absolute;
  top: 20px; right: 20px;
}

/* ============================================
   CARE SECTION
   ============================================ */
.care-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: center;
}
.care-text h2 { margin-bottom: 16px; }
.care-text p  { margin-bottom: 28px; }
.care-list { margin-bottom: 32px; }
.care-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 10px 0;
  font-size: 0.95rem;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text);
}
.care-list li:last-child { border-bottom: none; }
.care-list i { color: #10B981; margin-top: 3px; flex-shrink: 0; }
.care-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.care-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 20px;
  display: flex;
  align-items: center;
  gap: 14px;
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
}
.care-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary);
}
.care-card i {
  font-size: 1.5rem;
  color: var(--color-primary);
  flex-shrink: 0;
}
.care-card div { display: flex; flex-direction: column; }
.care-card strong { font-size: 0.95rem; color: var(--color-text); }
.care-card span   { font-size: 0.8rem; color: var(--color-text-muted); }

/* ============================================
   WHY US
   ============================================ */
.why-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.why-card {
  background: var(--color-bg-light);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  text-align: center;
  transition: var(--transition);
}
.why-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  background: var(--color-white);
}
.why-icon {
  width: 56px; height: 56px;
  background: var(--color-primary-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 18px;
}
.why-icon i { font-size: 1.3rem; color: var(--color-primary); }
.why-card h4 { margin-bottom: 8px; }
.why-card p  { font-size: 0.9rem; }

/* ============================================
   TESTIMONIALS
   ============================================ */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.testimonial-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: var(--transition);
}
.testimonial-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.testimonial-card.featured {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  border-color: transparent;
}
.testimonial-card.featured p,
.testimonial-card.featured strong,
.testimonial-card.featured span { color: white; }
.testimonial-card p {
  font-size: 0.97rem;
  font-style: italic;
  color: var(--color-text);
  margin-bottom: 24px;
  line-height: 1.75;
}
.testimonial-card footer {
  display: flex;
  flex-direction: column;
  gap: 3px;
}
.testimonial-card strong { font-size: 0.93rem; color: var(--color-text); }
.testimonial-card span   { font-size: 0.82rem; color: var(--color-text-muted); }

/* ============================================
   CTA BANNER
   ============================================ */
.cta-banner {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark) 60%, #1e40af);
}
.cta-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  flex-wrap: wrap;
}
.cta-content h2, .cta-content p { color: white; }
.cta-content p { font-size: 1.05rem; margin-top: 8px; opacity: 0.9; }
.cta-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  flex-shrink: 0;
}

/* ============================================
   FOOTER
   ============================================ */
.site-footer {
  background: var(--color-bg-dark);
  color: #94A3B8;
  padding-top: 72px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer-brand p {
  font-size: 0.9rem;
  color: #64748B;
  margin: 14px 0 20px;
  max-width: 260px;
  line-height: 1.65;
}
.footer-brand .logo-text { color: white; }
.social-links {
  display: flex;
  gap: 12px;
}
.social-links a {
  width: 36px; height: 36px;
  background: rgba(255,255,255,0.06);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #94A3B8;
  font-size: 0.9rem;
  transition: var(--transition);
}
.social-links a:hover {
  background: var(--color-primary);
  color: white;
  transform: translateY(-2px);
}
.footer-nav h4 {
  color: white;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 18px;
}
.footer-nav ul { display: flex; flex-direction: column; gap: 10px; }
.footer-nav a {
  font-size: 0.9rem;
  color: #64748B;
  transition: var(--transition);
}
.footer-nav a:hover { color: white; padding-left: 4px; }
.footer-bottom {
  padding: 20px 0;
}
.footer-bottom p {
  color: #475569;
  font-size: 0.85rem;
  text-align: center;
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
  .solutions-grid { grid-template-columns: repeat(2, 1fr); }
  .why-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 36px; }
}

@media (max-width: 900px) {
  .hero-container { grid-template-columns: 1fr; gap: 48px; }
  .hero-visual { height: 280px; }
  .care-container { grid-template-columns: 1fr; gap: 48px; }
  .testimonials-grid { grid-template-columns: 1fr; }
  .cta-container { flex-direction: column; text-align: center; }
}

@media (max-width: 768px) {
  .section-pad { padding: 64px 0; }
  .nav-cta { display: none; }
  .hamburger { display: flex; }
  .main-nav {
    position: fixed;
    inset: 72px 0 0 0;
    background: var(--color-white);
    padding: 24px;
    overflow-y: auto;
    transform: translateX(100%);
    transition: transform 0.3s ease;
    border-top: 1px solid var(--color-border);
  }
  .main-nav.open { transform: translateX(0); }
  .nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
  }
  .nav-link { justify-content: space-between; }
  .dropdown-menu {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    border: none;
    padding-left: 16px;
    background: var(--color-bg-light);
    display: none;
  }
  .nav-dropdown.open .dropdown-menu { display: block; }
  .solutions-grid { grid-template-columns: 1fr; }
  .care-cards { grid-template-columns: 1fr; }
  .why-grid { grid-template-columns: 1fr; }
}

@media (max-width: 520px) {
  .hero-stats { gap: 24px; }
  .hero-actions { flex-direction: column; }
  .footer-grid { grid-template-columns: 1fr; }
  .cta-actions { flex-direction: column; width: 100%; }
  .cta-actions .btn { justify-content: center; }
}