/* ============================================================
   KRESTWORKS SOLUTIONS — CORE STYLESHEET
   Light theme default | Dark theme via .dark-theme class
   ============================================================ */

/* ---- IMPORTS ---- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Poppins:wght@400;500;600;700;800&display=swap');

/* ---- CSS VARIABLES — LIGHT THEME (DEFAULT) ---- */
:root {
  /* Brand */
  --kw-primary:        #F5A800;
  --kw-primary-dark:   #C47F00;
  --kw-primary-light:  #FFD166;
  --kw-accent:         #8B5E00;

  /* Backgrounds */
  --kw-bg:             #F8F9FA;
  --kw-bg-alt:         #FFFFFF;
  --kw-bg-card:        #FFFFFF;
  --kw-bg-card-hover:  #F1F3F5;
  --kw-bg-input:       #FFFFFF;
  --kw-bg-nav:         rgba(255,255,255,0.95);
  --kw-bg-footer:      #0A0F1A;
  --kw-bg-hero:        #0A0F1A;

  /* Borders */
  --kw-border:         #E5E7EB;
  --kw-border-focus:   #F5A800;

  /* Text */
  --kw-text-primary:   #0A0F1A;
  --kw-text-secondary: #374151;
  --kw-text-muted:     #6B7280;
  --kw-text-invert:    #F9FAFB;

  /* Shadows */
  --kw-shadow-sm:      0 1px 3px rgba(0,0,0,0.08);
  --kw-shadow-md:      0 4px 16px rgba(0,0,0,0.10);
  --kw-shadow-lg:      0 8px 32px rgba(0,0,0,0.12);
  --kw-shadow-gold:    0 4px 24px rgba(245,168,0,0.25);

  /* Radius */
  --kw-radius-sm:      6px;
  --kw-radius-md:      12px;
  --kw-radius-lg:      18px;
  --kw-radius-xl:      24px;
  --kw-radius-pill:    9999px;

  /* Transitions */
  --kw-transition:     all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --kw-transition-slow:all 0.45s cubic-bezier(0.4, 0, 0.2, 1);

  /* Nav */
  --kw-nav-height:     72px;

  /* Typography */
  --font-body:         'Inter', system-ui, -apple-system, sans-serif;
  --font-heading:      'Poppins', 'Inter', sans-serif;
}

/* ---- DARK THEME OVERRIDES ---- */
.dark-theme {
  --kw-bg:             #0A0F1A;
  --kw-bg-alt:         #0D1321;
  --kw-bg-card:        #111827;
  --kw-bg-card-hover:  #1A2235;
  --kw-bg-input:       #1F2937;
  --kw-bg-nav:         rgba(10,15,26,0.95);

  --kw-border:         #1F2937;
  --kw-border-focus:   #F5A800;

  --kw-text-primary:   #F9FAFB;
  --kw-text-secondary: #D1D5DB;
  --kw-text-muted:     #9CA3AF;

  --kw-shadow-sm:      0 1px 3px rgba(0,0,0,0.4);
  --kw-shadow-md:      0 4px 16px rgba(0,0,0,0.5);
  --kw-shadow-lg:      0 8px 32px rgba(0,0,0,0.6);
}

/* ============================================================
   RESET & BASE
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  background-color: var(--kw-bg);
  color: var(--kw-text-primary);
  line-height: 1.65;
  transition: background-color 0.3s ease, color 0.3s ease;
  overflow-x: hidden;
  padding-top: var(--kw-nav-height);
}

body.no-scroll { overflow: hidden; }

img, video { max-width: 100%; height: auto; display: block; }
a { color: var(--kw-primary); text-decoration: none; transition: var(--kw-transition); }
a:hover { color: var(--kw-primary-dark); }
ul, ol { list-style: none; }
button { cursor: pointer; font-family: var(--font-body); }
input, textarea, select { font-family: var(--font-body); }

/* ============================================================
   TYPOGRAPHY
   ============================================================ */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  color: var(--kw-text-primary);
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.5rem, 3.5vw, 2.5rem); }
h3 { font-size: clamp(1.2rem, 2.5vw, 1.75rem); }
h4 { font-size: clamp(1rem, 2vw, 1.35rem); }
h5 { font-size: 1.1rem; }
h6 { font-size: 1rem; }

p { color: var(--kw-text-secondary); line-height: 1.8; margin-bottom: 1rem; }
p:last-child { margin-bottom: 0; }

.text-muted { color: var(--kw-text-muted) !important; }
.text-primary-brand { color: var(--kw-primary) !important; }
.text-white { color: #fff !important; }
.text-gradient {
  background: linear-gradient(135deg, var(--kw-primary), var(--kw-primary-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ============================================================
   LAYOUT UTILITIES
   ============================================================ */
.kw-container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.kw-section {
  padding: 5rem 0;
}

.kw-section-sm { padding: 3rem 0; }
.kw-section-lg { padding: 7rem 0; }

.kw-section-title {
  text-align: center;
  margin-bottom: 3.5rem;
}

.kw-section-title .label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--kw-primary);
  background: rgba(245,168,0,0.1);
  border: 1px solid rgba(245,168,0,0.25);
  padding: 0.3rem 0.85rem;
  border-radius: var(--kw-radius-pill);
  margin-bottom: 0.85rem;
}

.kw-section-title h2 {
  margin-bottom: 0.75rem;
}

.kw-section-title p {
  font-size: 1.05rem;
  max-width: 600px;
  margin: 0 auto;
  color: var(--kw-text-muted);
}

.kw-divider {
  width: 56px;
  height: 4px;
  background: linear-gradient(90deg, var(--kw-primary), var(--kw-primary-light));
  border-radius: 2px;
  margin: 1rem auto 0;
}

/* Grid helpers */
.kw-grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.5rem; }
.kw-grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.kw-grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; }

@media (max-width: 1024px) {
  .kw-grid-4 { grid-template-columns: repeat(2, 1fr); }
  .kw-grid-3 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .kw-grid-4, .kw-grid-3, .kw-grid-2 { grid-template-columns: 1fr; }
}

/* ============================================================
   BUTTONS
   ============================================================ */
.kw-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.7rem 1.6rem;
  border-radius: var(--kw-radius-pill);
  font-weight: 600;
  font-size: 0.9rem;
  letter-spacing: 0.02em;
  border: 2px solid transparent;
  transition: var(--kw-transition);
  white-space: nowrap;
  cursor: pointer;
  text-decoration: none;
}

.kw-btn:focus-visible {
  outline: 3px solid var(--kw-primary);
  outline-offset: 3px;
}

.kw-btn-primary {
  background: var(--kw-primary);
  color: #0A0F1A;
  border-color: var(--kw-primary);
}
.kw-btn-primary:hover {
  background: var(--kw-primary-dark);
  border-color: var(--kw-primary-dark);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: var(--kw-shadow-gold);
}

.kw-btn-outline {
  background: transparent;
  color: var(--kw-primary);
  border-color: var(--kw-primary);
}
.kw-btn-outline:hover {
  background: var(--kw-primary);
  color: #0A0F1A;
  transform: translateY(-2px);
}

.kw-btn-ghost {
  background: transparent;
  color: var(--kw-text-primary);
  border-color: var(--kw-border);
}
.kw-btn-ghost:hover {
  border-color: var(--kw-primary);
  color: var(--kw-primary);
}

.kw-btn-dark {
  background: var(--kw-bg-hero);
  color: #fff;
  border-color: var(--kw-bg-hero);
}
.kw-btn-dark:hover {
  background: #1a253a;
  transform: translateY(-2px);
  color: var(--kw-primary);
}

.kw-btn-lg {
  padding: 0.9rem 2.2rem;
  font-size: 1rem;
}

.kw-btn-sm {
  padding: 0.45rem 1.1rem;
  font-size: 0.8rem;
}

.kw-btn-icon {
  width: 42px;
  height: 42px;
  padding: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
}

/* ============================================================
   CARDS
   ============================================================ */
.kw-card {
  background: var(--kw-bg-card);
  border: 1px solid var(--kw-border);
  border-radius: var(--kw-radius-lg);
  padding: 1.75rem;
  transition: var(--kw-transition);
  position: relative;
  overflow: hidden;
}

.kw-card:hover {
  border-color: rgba(245,168,0,0.35);
  box-shadow: var(--kw-shadow-md);
  transform: translateY(-4px);
}

.kw-card-gold-top::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--kw-primary), var(--kw-primary-light));
  border-radius: var(--kw-radius-lg) var(--kw-radius-lg) 0 0;
}

.kw-card-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--kw-radius-md);
  background: rgba(245,168,0,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--kw-primary);
  font-size: 1.35rem;
  margin-bottom: 1.25rem;
  transition: var(--kw-transition);
}

.kw-card:hover .kw-card-icon {
  background: var(--kw-primary);
  color: #0A0F1A;
}

.kw-card h3, .kw-card h4 { margin-bottom: 0.6rem; }

/* Glass card variant */
.kw-card-glass {
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.12);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.dark-theme .kw-card-glass {
  background: rgba(17,24,39,0.6);
  border: 1px solid rgba(245,168,0,0.12);
}

/* ============================================================
   NAVIGATION
   ============================================================ */
#kw-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--kw-nav-height);
  background: var(--kw-bg-nav);
  border-bottom: 1px solid var(--kw-border);
  z-index: 1000;
  transition: var(--kw-transition);
}

#kw-nav.scrolled {
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: var(--kw-shadow-sm);
}

.nav-inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding-top: 12px;
  padding-bottom: 0.15rem;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  flex-shrink: 0;
}

.nav-logo img { height: 38px; width: auto; }

.nav-logo-text {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--kw-text-primary);
  letter-spacing: -0.01em;
}

.nav-logo-text span { color: var(--kw-primary); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  flex: 1;
  justify-content: center;
}

.nav-link {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--kw-text-secondary);
  padding: 0.4rem 0.75rem;
  border-radius: var(--kw-radius-sm);
  transition: var(--kw-transition);
  position: relative;
  white-space: nowrap;
}

.nav-link:hover, .nav-link.active {
  color: var(--kw-primary);
  background: rgba(245,168,0,0.08);
}

/* Dropdown */
.nav-dropdown {
  position: relative;
}

.nav-dropdown > .nav-link::after {
  content: '\f107';
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  margin-left: 0.35rem;
  font-size: 0.75rem;
  transition: transform 0.2s;
}

.nav-dropdown:hover > .nav-link::after { transform: rotate(180deg); }

.nav-dropdown-menu {
  position: absolute;
  top: calc(100% + 0.5rem);
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  min-width: 220px;
  background: var(--kw-bg-card);
  border: 1px solid var(--kw-border);
  border-radius: var(--kw-radius-md);
  box-shadow: var(--kw-shadow-lg);
  padding: 0.5rem;
  opacity: 0;
  visibility: hidden;
  transition: var(--kw-transition);
  z-index: 100;
}

.nav-dropdown:hover .nav-dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

.nav-dropdown-menu a {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.6rem 0.85rem;
  font-size: 0.85rem;
  color: var(--kw-text-secondary);
  border-radius: var(--kw-radius-sm);
  transition: var(--kw-transition);
}

.nav-dropdown-menu a:hover {
  background: rgba(245,168,0,0.08);
  color: var(--kw-primary);
}

.nav-dropdown-menu a i {
  width: 18px;
  text-align: center;
  color: var(--kw-primary);
  font-size: 0.8rem;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-shrink: 0;
}

/* Theme toggle button */
#theme-toggle {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid var(--kw-border);
  background: transparent;
  color: var(--kw-text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  transition: var(--kw-transition);
}

#theme-toggle:hover {
  border-color: var(--kw-primary);
  color: var(--kw-primary);
}

/* Mobile hamburger */
#nav-toggle {
  display: none;
  width: 40px;
  height: 40px;
  border-radius: var(--kw-radius-sm);
  border: 1px solid var(--kw-border);
  background: transparent;
  color: var(--kw-text-primary);
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  transition: var(--kw-transition);
}

#nav-toggle:hover { border-color: var(--kw-primary); color: var(--kw-primary); }

/* Mobile nav overlay */
#mobile-nav {
  position: fixed;
  inset: 0;
  background: var(--kw-bg-card);
  z-index: 999;
  padding: 1.5rem;
  overflow-y: auto;
  transform: translateX(100%);
  transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

#mobile-nav.open { transform: translateX(0); }

.mobile-nav-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--kw-border);
}

.mobile-nav-links { display: flex; flex-direction: column; gap: 0.25rem; }

.mobile-nav-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.85rem 1rem;
  border-radius: var(--kw-radius-md);
  font-size: 1rem;
  font-weight: 500;
  color: var(--kw-text-secondary);
  transition: var(--kw-transition);
}

.mobile-nav-link:hover, .mobile-nav-link.active {
  background: rgba(245,168,0,0.08);
  color: var(--kw-primary);
}

.mobile-nav-link i { width: 20px; text-align: center; color: var(--kw-primary); }

.mobile-nav-sub {
  padding-left: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  margin-top: 0.15rem;
}

.mobile-nav-sub a {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.6rem 1rem;
  font-size: 0.9rem;
  color: var(--kw-text-muted);
  border-radius: var(--kw-radius-sm);
  border-left: 2px solid var(--kw-border);
  transition: var(--kw-transition);
}

.mobile-nav-sub a:hover {
  color: var(--kw-primary);
  border-left-color: var(--kw-primary);
}

@media (max-width: 1024px) {
  .nav-links { display: none; }
  #nav-toggle { display: flex; }
}

/* ============================================================
   HERO SECTION
   ============================================================ */
.kw-hero {
  min-height: calc(100vh - var(--kw-nav-height));
  background: var(--kw-bg-hero);
  position: relative;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-canvas {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 780px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(245,168,0,0.12);
  border: 1px solid rgba(245,168,0,0.3);
  padding: 0.4rem 1rem;
  border-radius: var(--kw-radius-pill);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--kw-primary);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
}

.hero-badge i { font-size: 0.75rem; }

.hero-title {
  color: #fff;
  margin-bottom: 1.25rem;
  letter-spacing: -0.02em;
}

.hero-title .highlight {
  background: linear-gradient(135deg, var(--kw-primary), var(--kw-primary-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: clamp(1rem, 2.5vw, 1.2rem);
  color: rgba(255,255,255,0.7);
  margin-bottom: 2.5rem;
  max-width: 560px;
  line-height: 1.75;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-bottom: 3.5rem;
}

.hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 2.5rem;
  padding-top: 2.5rem;
  border-top: 1px solid rgba(255,255,255,0.1);
}

.hero-stat-value {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 700;
  color: var(--kw-primary);
  display: block;
  line-height: 1;
}

.hero-stat-label {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.5);
  margin-top: 0.25rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.hero-scroll {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
  color: rgba(255,255,255,0.4);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  animation: bounce 2s ease-in-out infinite;
  z-index: 2;
}

.hero-scroll i { font-size: 1.1rem; }

@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(8px); }
}

/* ============================================================
   BADGES & TAGS
   ============================================================ */
.kw-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.2rem 0.65rem;
  border-radius: var(--kw-radius-pill);
  font-size: 0.75rem;
  font-weight: 600;
}

.kw-badge-gold { background: rgba(245,168,0,0.15); color: var(--kw-primary); border: 1px solid rgba(245,168,0,0.3); }
.kw-badge-green { background: rgba(34,197,94,0.1); color: #16a34a; border: 1px solid rgba(34,197,94,0.25); }
.kw-badge-blue { background: rgba(59,130,246,0.1); color: #2563eb; border: 1px solid rgba(59,130,246,0.25); }
.kw-badge-red { background: rgba(239,68,68,0.1); color: #dc2626; border: 1px solid rgba(239,68,68,0.25); }
.kw-badge-purple { background: rgba(139,92,246,0.1); color: #7c3aed; border: 1px solid rgba(139,92,246,0.25); }

/* ============================================================
   FORMS
   ============================================================ */
.kw-form-group {
  margin-bottom: 1.25rem;
}

.kw-form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--kw-text-primary);
  margin-bottom: 0.4rem;
}

.kw-form-group label .required { color: #ef4444; margin-left: 0.2rem; }

.kw-input,
.kw-textarea,
.kw-select {
  width: 100%;
  padding: 0.7rem 1rem;
  border: 1.5px solid var(--kw-border);
  border-radius: var(--kw-radius-md);
  background: var(--kw-bg-input);
  color: var(--kw-text-primary);
  font-size: 0.9rem;
  font-family: var(--font-body);
  transition: var(--kw-transition);
  appearance: none;
}

.kw-input:focus,
.kw-textarea:focus,
.kw-select:focus {
  outline: none;
  border-color: var(--kw-primary);
  box-shadow: 0 0 0 3px rgba(245,168,0,0.15);
}

.kw-input::placeholder,
.kw-textarea::placeholder { color: var(--kw-text-muted); }

.kw-textarea { resize: vertical; min-height: 120px; }

.kw-input.error,
.kw-textarea.error,
.kw-select.error { border-color: #ef4444; }

.kw-field-error {
  font-size: 0.78rem;
  color: #ef4444;
  margin-top: 0.3rem;
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

.kw-form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

@media (max-width: 640px) {
  .kw-form-row { grid-template-columns: 1fr; }
}

/* ============================================================
   ALERTS & TOASTS
   ============================================================ */
.kw-alert {
  padding: 0.9rem 1.25rem;
  border-radius: var(--kw-radius-md);
  font-size: 0.88rem;
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
  margin-bottom: 1rem;
}

.kw-alert-success { background: rgba(34,197,94,0.1); color: #15803d; border: 1px solid rgba(34,197,94,0.25); }
.kw-alert-error   { background: rgba(239,68,68,0.1); color: #b91c1c; border: 1px solid rgba(239,68,68,0.25); }
.kw-alert-info    { background: rgba(245,168,0,0.1); color: #92400e; border: 1px solid rgba(245,168,0,0.25); }

#kw-toast-container {
  position: fixed;
  bottom: 1.5rem;
  left: 1.5rem;
  z-index: 9998;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  pointer-events: none;
}

.kw-toast {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  background: var(--kw-bg-card);
  border: 1px solid var(--kw-border);
  border-radius: var(--kw-radius-md);
  padding: 0.85rem 1.2rem;
  font-size: 0.875rem;
  font-weight: 500;
  box-shadow: var(--kw-shadow-lg);
  pointer-events: all;
  animation: toastIn 0.3s ease forwards;
  max-width: 340px;
}

.kw-toast.success { border-left: 3px solid #22c55e; }
.kw-toast.error   { border-left: 3px solid #ef4444; }
.kw-toast.info    { border-left: 3px solid var(--kw-primary); }

.kw-toast i { font-size: 1rem; }
.kw-toast.success i { color: #22c55e; }
.kw-toast.error i   { color: #ef4444; }
.kw-toast.info i    { color: var(--kw-primary); }

@keyframes toastIn {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ============================================================
   MODALS
   ============================================================ */
.kw-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.55);
  backdrop-filter: blur(4px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 0;
  visibility: hidden;
  transition: var(--kw-transition);
}

.kw-modal-overlay.open {
  opacity: 1;
  visibility: visible;
}

.kw-modal {
  background: var(--kw-bg-card);
  border: 1px solid var(--kw-border);
  border-radius: var(--kw-radius-xl);
  width: 100%;
  max-width: 560px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--kw-shadow-lg);
  transform: scale(0.96) translateY(12px);
  transition: var(--kw-transition);
}

.kw-modal-overlay.open .kw-modal {
  transform: scale(1) translateY(0);
}

.kw-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.5rem 1.75rem 1rem;
  border-bottom: 1px solid var(--kw-border);
}

.kw-modal-header h3 { margin: 0; font-size: 1.15rem; }

.kw-modal-close {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: 1px solid var(--kw-border);
  background: transparent;
  color: var(--kw-text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  cursor: pointer;
  transition: var(--kw-transition);
  flex-shrink: 0;
}

.kw-modal-close:hover { border-color: #ef4444; color: #ef4444; }

.kw-modal-body { padding: 1.75rem; }
.kw-modal-footer {
  padding: 1rem 1.75rem 1.5rem;
  display: flex;
  justify-content: flex-end;
  gap: 0.75rem;
}

/* ============================================================
   TABS
   ============================================================ */
.kw-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem;
  border-bottom: 2px solid var(--kw-border);
  margin-bottom: 1.75rem;
}

.kw-tab-btn {
  padding: 0.65rem 1.25rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--kw-text-muted);
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  cursor: pointer;
  transition: var(--kw-transition);
  border-radius: var(--kw-radius-sm) var(--kw-radius-sm) 0 0;
}

.kw-tab-btn:hover { color: var(--kw-primary); }
.kw-tab-btn.active {
  color: var(--kw-primary);
  border-bottom-color: var(--kw-primary);
  background: rgba(245,168,0,0.05);
}

.kw-tab-panel { display: none; }
.kw-tab-panel.active { display: block; animation: fadeIn 0.25s ease; }

/* ============================================================
   ACCORDION / FAQ
   ============================================================ */
.kw-accordion-item {
  border: 1px solid var(--kw-border);
  border-radius: var(--kw-radius-md);
  margin-bottom: 0.5rem;
  overflow: hidden;
  transition: var(--kw-transition);
}

.kw-accordion-item.open { border-color: rgba(245,168,0,0.35); }

.kw-accordion-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.1rem 1.35rem;
  background: var(--kw-bg-card);
  border: none;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--kw-text-primary);
  cursor: pointer;
  text-align: left;
  gap: 1rem;
  transition: var(--kw-transition);
}

.kw-accordion-trigger:hover { color: var(--kw-primary); }
.kw-accordion-trigger i { font-size: 0.85rem; color: var(--kw-primary); transition: transform 0.25s; flex-shrink: 0; }
.kw-accordion-item.open .kw-accordion-trigger i { transform: rotate(180deg); }

.kw-accordion-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.25s ease;
  background: var(--kw-bg-card);
}

.kw-accordion-item.open .kw-accordion-body { max-height: 800px; }

.kw-accordion-body-inner {
  padding: 0 1.35rem 1.25rem;
  color: var(--kw-text-muted);
  font-size: 0.9rem;
  line-height: 1.75;
}

/* ============================================================
   FLOATING BUTTONS
   ============================================================ */
#kw-floating-btns {
  position: fixed;
  bottom: 1.75rem;
  right: 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  z-index: 9999;
}

.kw-float-btn {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  cursor: pointer;
  box-shadow: var(--kw-shadow-lg);
  transition: var(--kw-transition);
  text-decoration: none;
}

.kw-float-btn:hover { transform: scale(1.1); }

.kw-float-whatsapp {
  background: #25D366;
  color: #fff;
}

.kw-float-ai {
  background: var(--kw-primary);
  color: #0A0F1A;
  position: relative;
}

.kw-float-ai::before {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  border: 2px solid var(--kw-primary);
  opacity: 0.4;
  animation: aiPulse 2s ease-in-out infinite;
}

@keyframes aiPulse {
  0%, 100% { transform: scale(1); opacity: 0.4; }
  50%       { transform: scale(1.2); opacity: 0; }
}

/* ============================================================
   AI CHAT WIDGET
   ============================================================ */
#kw-ai-chat {
  position: fixed;
  bottom: 8rem;
  right: 1.75rem;
  width: 360px;
  max-height: 520px;
  display: flex;
  flex-direction: column;
  background: var(--kw-bg-card);
  border: 1px solid var(--kw-border);
  border-radius: var(--kw-radius-xl);
  box-shadow: var(--kw-shadow-lg);
  z-index: 9998;
  overflow: hidden;
  transform: scale(0.9) translateY(20px);
  transform-origin: bottom right;
  opacity: 0;
  visibility: hidden;
  transition: var(--kw-transition-slow);
}

#kw-ai-chat.open {
  opacity: 1;
  visibility: visible;
  transform: scale(1) translateY(0);
}

.ai-chat-header {
  padding: 1rem 1.25rem;
  background: var(--kw-bg-hero);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-shrink: 0;
}

.ai-chat-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--kw-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #0A0F1A;
  font-size: 1rem;
  flex-shrink: 0;
}

.ai-chat-info { flex: 1; }
.ai-chat-name { font-weight: 700; font-size: 0.875rem; color: #fff; }
.ai-chat-status { font-size: 0.72rem; color: rgba(255,255,255,0.5); display: flex; align-items: center; gap: 0.3rem; }
.ai-chat-status::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #22c55e;
  display: inline-block;
}

.ai-chat-close {
  background: transparent;
  border: none;
  color: rgba(255,255,255,0.5);
  cursor: pointer;
  font-size: 0.9rem;
  padding: 0.25rem;
  transition: color 0.2s;
}

.ai-chat-close:hover { color: #fff; }

.ai-chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  scroll-behavior: smooth;
}

.ai-chat-messages::-webkit-scrollbar { width: 4px; }
.ai-chat-messages::-webkit-scrollbar-track { background: transparent; }
.ai-chat-messages::-webkit-scrollbar-thumb { background: var(--kw-border); border-radius: 2px; }

.chat-msg {
  display: flex;
  gap: 0.5rem;
  max-width: 88%;
}

.chat-msg.user { align-self: flex-end; flex-direction: row-reverse; }
.chat-msg.bot  { align-self: flex-start; }

.chat-msg-avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  margin-top: auto;
}

.chat-msg.bot .chat-msg-avatar { background: var(--kw-primary); color: #0A0F1A; }
.chat-msg.user .chat-msg-avatar { background: #3b82f6; color: #fff; }

.chat-bubble {
  padding: 0.7rem 0.9rem;
  border-radius: var(--kw-radius-md);
  font-size: 0.845rem;
  line-height: 1.6;
}

.chat-msg.bot .chat-bubble {
  background: var(--kw-bg-alt);
  border: 1px solid var(--kw-border);
  color: var(--kw-text-primary);
  border-bottom-left-radius: 4px;
}

.chat-msg.user .chat-bubble {
  background: var(--kw-primary);
  color: #0A0F1A;
  border-bottom-right-radius: 4px;
}

.chat-typing {
  display: flex;
  gap: 4px;
  align-items: center;
  padding: 0.7rem 0.9rem;
}

.chat-typing span {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--kw-text-muted);
  animation: typingDot 1.2s ease-in-out infinite;
}

.chat-typing span:nth-child(2) { animation-delay: 0.2s; }
.chat-typing span:nth-child(3) { animation-delay: 0.4s; }

@keyframes typingDot {
  0%, 60%, 100% { transform: translateY(0); opacity: 0.5; }
  30%           { transform: translateY(-6px); opacity: 1; }
}

.ai-chat-input-area {
  padding: 0.75rem 1rem;
  border-top: 1px solid var(--kw-border);
  display: flex;
  gap: 0.5rem;
  align-items: flex-end;
  flex-shrink: 0;
}

.ai-chat-input-area textarea {
  flex: 1;
  resize: none;
  border: 1.5px solid var(--kw-border);
  border-radius: var(--kw-radius-md);
  background: var(--kw-bg-input);
  color: var(--kw-text-primary);
  font-size: 0.855rem;
  font-family: var(--font-body);
  padding: 0.6rem 0.85rem;
  max-height: 120px;
  transition: border-color 0.2s;
  line-height: 1.5;
}

.ai-chat-input-area textarea:focus {
  outline: none;
  border-color: var(--kw-primary);
}

.ai-chat-send {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--kw-primary);
  color: #0A0F1A;
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  cursor: pointer;
  transition: var(--kw-transition);
  flex-shrink: 0;
}

.ai-chat-send:hover { background: var(--kw-primary-dark); color: #fff; }
.ai-chat-send:disabled { opacity: 0.5; cursor: not-allowed; }

@media (max-width: 480px) {
  #kw-ai-chat {
    bottom: 0;
    right: 0;
    width: 100vw;
    max-height: 70vh;
    border-radius: var(--kw-radius-xl) var(--kw-radius-xl) 0 0;
  }
}

/* ============================================================
   FOOTER
   ============================================================ */
#kw-footer {
  background: var(--kw-bg-footer);
  color: rgba(255,255,255,0.7);
  padding: 5rem 0 0;
  margin-top: auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
  gap: 2.5rem;
  padding-bottom: 3rem;
}

@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 640px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 480px) {
  .footer-grid { grid-template-columns: 1fr; }
}

.footer-brand .nav-logo { margin-bottom: 1rem; }
.footer-brand p { font-size: 0.875rem; color: rgba(255,255,255,0.5); line-height: 1.75; max-width: 280px; }

.footer-socials {
  display: flex;
  gap: 0.6rem;
  margin-top: 1.25rem;
}

.footer-social-link {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.5);
  font-size: 0.85rem;
  transition: var(--kw-transition);
  text-decoration: none;
}

.footer-social-link:hover {
  border-color: var(--kw-primary);
  color: var(--kw-primary);
  background: rgba(245,168,0,0.08);
}

.footer-col h4 {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.9);
  margin-bottom: 1rem;
}

.footer-col ul { display: flex; flex-direction: column; gap: 0.5rem; }

.footer-col ul li a {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.5);
  transition: var(--kw-transition);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.footer-col ul li a:hover { color: var(--kw-primary); padding-left: 4px; }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.07);
  padding: 1.5rem 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.footer-bottom-text { font-size: 0.8rem; color: rgba(255,255,255,0.35); }
.footer-bottom-text span { color: var(--kw-primary); }

.footer-legal {
  display: flex;
  gap: 1.25rem;
}

.footer-legal a {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.35);
  transition: color 0.2s;
}

.footer-legal a:hover { color: var(--kw-primary); }

/* ============================================================
   UTILITY ANIMATIONS
   ============================================================ */
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes scaleIn {
  from { opacity: 0; transform: scale(0.92); }
  to   { opacity: 1; transform: scale(1); }
}

.animate-fade-up { animation: fadeUp 0.5s ease forwards; }
.animate-fade-in { animation: fadeIn 0.4s ease forwards; }

/* ============================================================
   MISC UTILITIES
   ============================================================ */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

.kw-divider-line {
  border: none;
  border-top: 1px solid var(--kw-border);
  margin: 2rem 0;
}

.kw-highlight-box {
  background: rgba(245,168,0,0.08);
  border: 1px solid rgba(245,168,0,0.2);
  border-radius: var(--kw-radius-md);
  padding: 1.25rem 1.5rem;
}

.sticky-top {
  position: sticky;
  top: calc(var(--kw-nav-height) + 1.5rem);
}

/* Scrollbar */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--kw-bg); }
::-webkit-scrollbar-thumb { background: var(--kw-border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--kw-text-muted); }

/* Selection */
::selection { background: rgba(245,168,0,0.25); color: var(--kw-text-primary); }

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}