/* ==========================================================================
   FORMATION UNIVERSE LTD — MASTER DESIGN SYSTEM (REVISED PREMIUM SPEC)
   Palette derived from official logo:
   - Warm Skin / Champagne Ivory: #FAF5EE, #F6EFE5, #EFE3D3
   - Deep Obsidian / Charcoal: #0B1410, #141F1A, #1D2A23
   - Official Brand Emerald Green: #00A844, #00C853, #10B981
   ========================================================================== */

:root {
  /* Skin & Canvas */
  --fu-skin-bg: #f7efe4;
  --fu-skin-surface: #fbf7f1;
  --fu-skin-card: #ffffff;
  --fu-skin-border: #e3d2be;
  --fu-skin-border-light: rgba(227, 210, 190, 0.55);
  --fu-skin-alt: #f1e4d3;

  /* Typography */
  --fu-text-headline: #0b1410;
  --fu-text-body: #2d3b33;
  --fu-text-muted: #5e7065;
  --fu-text-light: #88998e;

  /* Emerald Brand Accents */
  --fu-emerald-500: #00a844;
  --fu-emerald-vivid: #00c853;
  --fu-emerald-dark: #008234;
  --fu-emerald-light: #10b981;
  --fu-emerald-soft: rgba(0, 168, 68, 0.1);
  --fu-emerald-glow: rgba(0, 168, 68, 0.25);

  /* Obsidian Contrast */
  --fu-dark-bg: #0b1410;
  --fu-dark-card: #121c17;
  --fu-dark-border: rgba(255, 255, 255, 0.12);

  /* Layout & Geometry */
  --fu-radius-btn: 9999px;
  --fu-radius-card: 18px;
  --fu-btn-height: 44px;
  --fu-font-sans: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  --fu-font-display: 'Outfit', 'Plus Jakarta Sans', sans-serif;
}

*, *::before, *::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-family: var(--fu-font-sans);
  background-color: var(--fu-skin-bg);
  color: var(--fu-text-body);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  max-width: 100%;
  width: 100%;
}

body {
  margin: 0;
  padding: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background-color: var(--fu-skin-bg);
  color: var(--fu-text-body);
  line-height: 1.6;
  overflow-x: hidden;
}

/* Headings */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--fu-font-display);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--fu-text-headline);
  word-wrap: break-word;
}

::selection {
  background: var(--fu-emerald-vivid);
  color: #000000;
}

:focus-visible {
  outline: 2px solid var(--fu-emerald-500);
  outline-offset: 3px;
}

/* Background Pattern (Subtle Dotted World Matrix) */
.bg-skin-pattern {
  background-color: var(--fu-skin-bg);
  background-image: radial-gradient(#d6c2ab 1.1px, transparent 1.1px);
  background-size: 22px 22px;
}

.skin-glow-radial {
  background: radial-gradient(circle 600px at 50% 15%, rgba(241, 228, 211, 0.95), transparent 75%);
}

/* Sticky Header */
.skin-nav {
  background: rgba(247, 239, 228, 0.96);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--fu-skin-border);
}

/* ==========================================================================
   UNIFIED BUTTON COMPONENT SYSTEM (Standardized 44px Height & Padding)
   ========================================================================== */
.btn-primary, .btn-secondary, .btn-whatsapp {
  height: var(--fu-btn-height);
  min-height: var(--fu-btn-height);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--fu-font-sans);
  font-weight: 700;
  font-size: 0.88rem;
  letter-spacing: 0.01em;
  padding: 0 1.5rem;
  border-radius: var(--fu-radius-btn);
  transition: all 0.22s cubic-bezier(0.16, 1, 0.3, 1);
  text-decoration: none;
  cursor: pointer;
  white-space: nowrap;
  box-sizing: border-box;
}

.btn-primary {
  background: linear-gradient(135deg, #00c853 0%, #00963d 100%);
  color: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.25);
  box-shadow: 0 3px 12px -2px rgba(0, 168, 68, 0.35);
}

.btn-primary:hover {
  background: linear-gradient(135deg, #10b981 0%, #00a844 100%);
  color: #ffffff;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px -2px rgba(0, 168, 68, 0.5);
}

.btn-secondary {
  background: #ffffff;
  color: var(--fu-text-headline);
  border: 1px solid var(--fu-skin-border);
  box-shadow: 0 2px 6px rgba(100, 75, 50, 0.05);
}

.btn-secondary:hover {
  background: #faf4eb;
  border-color: var(--fu-emerald-500);
  color: var(--fu-emerald-dark);
  transform: translateY(-2px);
  box-shadow: 0 5px 14px rgba(100, 75, 50, 0.1);
}

.btn-whatsapp {
  background: #25D366;
  color: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.2);
  box-shadow: 0 3px 12px -2px rgba(37, 211, 102, 0.38);
}

.btn-whatsapp:hover {
  background: #20ba59;
  color: #ffffff;
  transform: translateY(-2px);
  box-shadow: 0 6px 18px -2px rgba(37, 211, 102, 0.55);
}

/* Floating WhatsApp Widget (Refined 48px size with balanced 24px icon) */
.floating-whatsapp {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 45;
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
}

.floating-whatsapp-btn {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: #25D366;
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(37, 211, 102, 0.45);
  animation: pulse-whatsapp 2.5s infinite;
  transition: transform 0.2s ease;
}

.floating-whatsapp:hover .floating-whatsapp-btn {
  transform: scale(1.08);
}

.floating-whatsapp-tooltip {
  background: #0b1410;
  border: 1px solid var(--fu-emerald-500);
  color: #ffffff;
  padding: 6px 12px;
  border-radius: 16px;
  font-size: 0.8rem;
  font-weight: 600;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
  opacity: 0;
  transform: translateX(8px);
  pointer-events: none;
  transition: all 0.22s ease;
  white-space: nowrap;
}

.floating-whatsapp:hover .floating-whatsapp-tooltip {
  opacity: 1;
  transform: translateX(0);
}

@keyframes pulse-whatsapp {
  0% { box-shadow: 0 4px 16px rgba(37, 211, 102, 0.45), 0 0 0 0 rgba(37, 211, 102, 0.6); }
  70% { box-shadow: 0 4px 16px rgba(37, 211, 102, 0.45), 0 0 0 12px rgba(37, 211, 102, 0); }
  100% { box-shadow: 0 4px 16px rgba(37, 211, 102, 0.45), 0 0 0 0 rgba(37, 211, 102, 0); }
}

/* ==========================================================================
   CARDS & GRID ALIGNMENT (Equal Heights, No Overlaps, Clean Padding)
   ========================================================================== */
.fu-skin-card, .fu-card {
  background: var(--fu-skin-card);
  border: 1px solid var(--fu-skin-border);
  border-radius: var(--fu-radius-card);
  box-shadow: 0 3px 16px -4px rgba(110, 80, 50, 0.05);
  transition: all 0.28s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
  overflow: hidden;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.fu-skin-card::before, .fu-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: transparent;
  transition: background 0.25s ease;
}

.fu-skin-card:hover, .fu-card:hover {
  transform: translateY(-3px);
  border-color: var(--fu-emerald-500);
  box-shadow: 0 14px 30px -8px rgba(100, 75, 50, 0.1), 0 0 16px -4px var(--fu-emerald-glow);
}

.fu-skin-card:hover::before, .fu-card:hover::before {
  background: linear-gradient(90deg, transparent, var(--fu-emerald-500), transparent);
}

.brand-logo-img {
  height: 44px;
  width: auto;
  object-fit: contain;
}

.fu-dark-card {
  background: var(--fu-dark-card);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--fu-radius-card);
  color: #ffffff;
  height: 100%;
}

/* Badges */
.badge-emerald {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.3rem 0.85rem;
  border-radius: 9999px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  background: rgba(0, 168, 68, 0.1);
  color: #007a31;
  border: 1px solid rgba(0, 168, 68, 0.25);
}

/* Accordions */
.fu-accordion-item {
  background: #ffffff;
  border: 1px solid var(--fu-skin-border);
  border-radius: 12px;
  margin-bottom: 10px;
  overflow: hidden;
  box-shadow: 0 2px 6px rgba(100, 75, 50, 0.03);
  transition: all 0.2s ease;
}

.fu-accordion-item.active {
  border-color: var(--fu-emerald-500);
  background: #fbf8f3;
}

.fu-accordion-header {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.15rem 1.4rem;
  background: none;
  border: none;
  color: var(--fu-text-headline);
  font-family: var(--fu-font-display);
  font-size: 1.02rem;
  font-weight: 700;
  text-align: left;
  cursor: pointer;
  transition: color 0.2s ease;
}

.fu-accordion-header:hover {
  color: var(--fu-emerald-500);
}

.fu-accordion-icon {
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: #f1e4d3;
  color: #0b1410;
  transition: transform 0.28s ease;
  flex-shrink: 0;
  margin-left: 0.8rem;
}

.fu-accordion-item.active .fu-accordion-icon {
  transform: rotate(180deg);
  background: var(--fu-emerald-500);
  color: #ffffff;
}

.fu-accordion-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
  padding: 0 1.4rem;
  color: var(--fu-text-body);
  font-size: 0.92rem;
  line-height: 1.65;
}

.fu-accordion-item.active .fu-accordion-body {
  max-height: 700px;
  padding-bottom: 1.4rem;
}

/* Tabs */
.fu-tab-button {
  height: 40px;
  padding: 0 1.35rem;
  border-radius: 9999px;
  font-weight: 600;
  font-size: 0.88rem;
  color: var(--fu-text-muted);
  background: #ffffff;
  border: 1px solid var(--fu-skin-border);
  cursor: pointer;
  transition: all 0.22s ease;
}

.fu-tab-button:hover {
  color: var(--fu-text-headline);
  background: #faf4eb;
  border-color: #d1bda5;
}

.fu-tab-button.active {
  color: #ffffff;
  background: var(--fu-emerald-500);
  border-color: var(--fu-emerald-500);
  font-weight: 700;
  box-shadow: 0 3px 12px -2px rgba(0, 168, 68, 0.35);
}

.fu-tab-pane {
  display: none;
}
.fu-tab-pane.active {
  display: block;
}

/* Forms */
.form-input, .form-select, .form-textarea {
  width: 100%;
  background: #ffffff;
  border: 1px solid var(--fu-skin-border);
  border-radius: 8px;
  padding: 0.75rem 1rem;
  color: var(--fu-text-headline);
  font-family: inherit;
  font-size: 0.92rem;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--fu-emerald-500);
  box-shadow: 0 0 0 3px rgba(0, 168, 68, 0.15);
  outline: none;
}

.form-label {
  display: block;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--fu-text-headline);
  margin-bottom: 0.4rem;
}

/* ==========================================================================
   FORMATION PLANET FORGE VISUALS & RADAR ORBIT SYSTEM
   ========================================================================== */
.text-gradient-emerald {
  background: linear-gradient(135deg, #00c853 0%, #10b981 50%, #008234 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.radar-spin-ring {
  animation: radar-orbit-spin 36s linear infinite;
  transform-origin: center center;
}

.radar-counter-node {
  animation: radar-orbit-counter 36s linear infinite;
  transform-origin: center center;
}

@keyframes radar-orbit-spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

@keyframes radar-orbit-counter {
  from { transform: rotate(0deg); }
  to { transform: rotate(-360deg); }
}

.planet-card-hover {
  transition: all 0.28s cubic-bezier(0.16, 1, 0.3, 1);
}

.planet-card-hover:hover {
  transform: translateY(-4px);
  border-color: var(--fu-emerald-500);
  box-shadow: 0 16px 36px -8px rgba(0, 168, 68, 0.16), 0 0 16px -4px rgba(0, 168, 68, 0.12);
}

.hero-visual-card {
  background: var(--fu-skin-card);
  border: 1.5px solid var(--fu-skin-border);
  border-radius: 1.25rem;
  box-shadow: 0 10px 30px -6px rgba(100, 75, 50, 0.08);
  transition: all 0.25s ease;
}

.hero-visual-card:hover {
  border-color: #d1bda5;
  box-shadow: 0 14px 36px -6px rgba(100, 75, 50, 0.12);
}

.hero-feature-item {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.55rem 0.75rem;
  border-radius: 0.65rem;
  background: #faf4eb;
  border: 1px solid #ebdcca;
  transition: all 0.2s ease;
}

.hero-feature-item:hover {
  background: #ffffff;
  border-color: var(--fu-emerald-500);
}

/* Mobile Drawer */
#mobile-menu {
  position: fixed;
  top: 0;
  right: 0;
  width: 100%;
  max-width: 320px;
  height: 100vh;
  background: #ffffff;
  border-left: 1px solid var(--fu-skin-border);
  z-index: 1000;
  padding: 1.75rem 1.5rem;
  display: none;
  flex-direction: column;
  overflow-y: auto;
  box-shadow: -8px 0 28px rgba(0, 0, 0, 0.15);
}

#mobile-menu.open {
  display: flex;
}

#mobile-overlay {
  position: fixed;
  inset: 0;
  background: rgba(11, 20, 16, 0.5);
  backdrop-filter: blur(4px);
  z-index: 999;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}

#mobile-overlay.open {
  opacity: 1;
  pointer-events: auto;
}

/* Toast */
.fu-toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: #0b1410;
  border: 1px solid var(--fu-emerald-500);
  color: #ffffff;
  padding: 12px 20px;
  border-radius: 9999px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
  z-index: 9999;
  font-weight: 600;
  font-size: 0.88rem;
  opacity: 0;
  transition: all 0.28s cubic-bezier(0.16, 1, 0.3, 1);
  display: flex;
  align-items: center;
  gap: 8px;
}

.fu-toast.show {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

/* Scrollbar utilities */
.hide-scrollbar::-webkit-scrollbar {
  display: none;
}
.hide-scrollbar {
  -ms-overflow-style: none;
  scrollbar-width: none;
}

/* Pricing Estimator */
.calculator-pkg-btn {
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}
.calculator-pkg-btn.active {
  border-color: var(--fu-emerald-500) !important;
  background-color: rgba(0, 168, 68, 0.08) !important;
  box-shadow: 0 0 0 2px var(--fu-emerald-500);
}
.glow-emerald-sm {
  box-shadow: 0 4px 18px -2px rgba(0, 168, 68, 0.35);
}
.glow-emerald-lg {
  box-shadow: 0 12px 36px -6px rgba(0, 168, 68, 0.28);
}