/* ==========================================================================
   Ibhan Tech Support - Finova-Inspired Dark Glassmorphic Design System
   ========================================================================== */

:root {
  --bg-dark: #060913;
  --bg-gradient: radial-gradient(circle at 50% 0%, #0d1a36 0%, #060913 70%);
  --bg-card: rgba(15, 23, 42, 0.65);
  --bg-card-hover: rgba(30, 41, 59, 0.8);
  --bg-glass-pill: rgba(255, 255, 255, 0.06);
  
  --border-glass: rgba(255, 255, 255, 0.1);
  --border-glow: rgba(59, 130, 246, 0.35);
  --border-cyan: rgba(0, 242, 254, 0.4);
  
  --primary-blue: #2563eb;
  --primary-blue-glow: #3b82f6;
  --neon-cyan: #00f2fe;
  --neon-purple: #7c3aed;
  
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-subtle: #64748b;
  
  --font-family: 'Plus Jakarta Sans', 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 24px;
  --radius-pill: 9999px;

  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Base Reset & Typography */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-family: var(--font-family);
  background-color: var(--bg-dark);
  color: var(--text-main);
  line-height: 1.6;
}

body {
  background: var(--bg-gradient);
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
}

/* Background Grid Overlay (Matching Finova) */
body::before {
  content: "";
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: 
    linear-gradient(to right, rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
  z-index: 0;
}

/* Container */
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 2rem;
  position: relative;
  z-index: 1;
}

/* Reusable Glass Card */
.glass-card {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  transition: var(--transition-smooth);
}

.glass-card:hover {
  border-color: var(--border-glow);
  box-shadow: 0 10px 30px -10px rgba(37, 99, 235, 0.25);
  transform: translateY(-4px);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.85rem 1.8rem;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-pill);
  cursor: pointer;
  text-decoration: none;
  transition: var(--transition-fast);
  border: none;
}

.btn-primary {
  background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
  color: #ffffff;
  box-shadow: 0 4px 20px rgba(37, 99, 235, 0.4), 0 0 0 1px rgba(255, 255, 255, 0.2) inset;
}

.btn-primary:hover {
  background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
  box-shadow: 0 6px 28px rgba(59, 130, 246, 0.6), 0 0 0 1px rgba(255, 255, 255, 0.3) inset;
  transform: translateY(-2px);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.07);
  color: var(--text-main);
  border: 1px solid var(--border-glass);
  backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.25);
  transform: translateY(-2px);
}

.btn-cyan {
  background: linear-gradient(135deg, #00f2fe 0%, #4facfe 100%);
  color: #031127;
  font-weight: 700;
  box-shadow: 0 4px 20px rgba(0, 242, 254, 0.35);
}

.btn-cyan:hover {
  box-shadow: 0 6px 28px rgba(0, 242, 254, 0.55);
  transform: translateY(-2px);
}

/* Header & Nav */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  padding: 1.2rem 0;
  transition: var(--transition-fast);
}

.navbar.scrolled {
  background: rgba(6, 9, 19, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-glass);
  padding: 0.8rem 0;
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.2rem;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  text-decoration: none;
  flex-shrink: 0;
}

.logo-img {
  height: 34px;
  width: auto;
  object-fit: contain;
  display: block;
  flex-shrink: 0;
  transition: var(--transition-fast);
  filter: drop-shadow(0 0 6px rgba(0, 242, 254, 0.4));
}

.brand-logo:hover .logo-img {
  transform: scale(1.05);
  filter: drop-shadow(0 0 10px rgba(0, 242, 254, 0.6));
}

.brand-text {
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.01em;
  color: var(--text-main);
  white-space: nowrap;
  line-height: 1;
  transition: var(--transition-fast);
}

.brand-title {
  display: inline;
  font-size: inherit;
  font-weight: inherit;
  color: #ffffff;
  white-space: nowrap;
}

.brand-subtitle {
  display: inline;
  font-size: 0.74rem;
  font-weight: 700;
  color: var(--neon-cyan);
  white-space: nowrap;
  margin-left: 0.3em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.1rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links li {
  white-space: nowrap;
}

.nav-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.84rem;
  font-weight: 500;
  white-space: nowrap;
  transition: var(--transition-fast);
}

.nav-links a:hover {
  color: var(--text-main);
}

.nav-cta {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* Hero Section (Matching Finova Layout) */
.hero {
  padding-top: 9.5rem;
  padding-bottom: 4rem;
  min-height: 90vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 4rem;
  align-items: center;
}

.hero-content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.announcement-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.4rem 1.1rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-pill);
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 2rem;
  backdrop-filter: blur(10px);
}

.badge-tag {
  color: #60a5fa;
  font-weight: 600;
}

.badge-pill-btn {
  background: rgba(37, 99, 235, 0.3);
  color: #bfdbfe;
  padding: 0.2rem 0.65rem;
  border-radius: var(--radius-pill);
  font-size: 0.75rem;
  font-weight: 600;
  border: 1px solid rgba(59, 130, 246, 0.3);
}

.hero-title {
  font-size: 3.6rem;
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
  background: linear-gradient(180deg, #ffffff 0%, #cbd5e1 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-title .highlight {
  background: linear-gradient(135deg, #60a5fa 0%, #00f2fe 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-description {
  font-size: 1.1rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 2.5rem;
  max-width: 620px;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 1.2rem;
  margin-bottom: 3.5rem;
}

/* Right Hero Visual - Glassmorphic PC / CPU 3D Artwork */
.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.visual-frame {
  position: relative;
  width: 100%;
  max-width: 530px;
  border-radius: var(--radius-lg);
  padding: 12px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-glass);
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.6), 0 0 40px rgba(37, 99, 235, 0.25);
  backdrop-filter: blur(20px);
  transform: perspective(1000px) rotateY(-5deg) rotateX(3deg);
  transition: transform 0.5s ease;
}

.visual-frame:hover {
  transform: perspective(1000px) rotateY(0deg) rotateX(0deg);
}

.hero-img {
  width: 100%;
  height: auto;
  border-radius: calc(var(--radius-lg) - 4px);
  display: block;
  object-fit: cover;
}

.floating-badge {
  position: absolute;
  background: rgba(15, 23, 42, 0.85);
  backdrop-filter: blur(14px);
  border: 1px solid var(--border-cyan);
  border-radius: var(--radius-md);
  padding: 0.8rem 1.2rem;
  display: flex;
  align-items: center;
  gap: 0.8rem;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.4);
  animation: float 4s ease-in-out infinite alternate;
}

.badge-top-right {
  top: -20px;
  right: -20px;
}

.badge-bottom-left {
  bottom: -20px;
  left: -20px;
  animation-delay: -2s;
}

@keyframes float {
  0% { transform: translateY(0px); }
  100% { transform: translateY(-10px); }
}

.badge-icon {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: rgba(0, 242, 254, 0.15);
  color: var(--neon-cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
}

.badge-info {
  display: flex;
  flex-direction: column;
}

.badge-title {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-main);
}

.badge-sub {
  font-size: 0.72rem;
  color: var(--text-muted);
}

/* Trusted By / OEM Partner Bar (Matching Finova Bottom Bar) */
.trusted-by {
  margin-top: 2.5rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.trusted-label {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-subtle);
  margin-bottom: 1.2rem;
  font-weight: 700;
}

.brand-logos-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1.8rem;
}

.oem-logo-item {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--text-muted);
  opacity: 0.7;
  letter-spacing: 0.05em;
  transition: var(--transition-fast);
}

.oem-logo-item:hover {
  opacity: 1;
  color: var(--neon-cyan);
}

/* Section Header Shared Component */
.section-header {
  text-align: center;
  max-width: 750px;
  margin: 0 auto 4rem auto;
}

.section-pill {
  display: inline-block;
  padding: 0.35rem 1rem;
  background: rgba(37, 99, 235, 0.15);
  border: 1px solid rgba(59, 130, 246, 0.3);
  color: #60a5fa;
  border-radius: var(--radius-pill);
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 1rem;
}

.section-title {
  font-size: 2.6rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--text-muted);
}

/* Section Spacing */
.section-padding {
  padding: 6rem 0;
}

/* Core Services & Consulting */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}

.service-card {
  padding: 2.2rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, #2563eb, #00f2fe);
  opacity: 0;
  transition: var(--transition-fast);
}

.service-card:hover::before {
  opacity: 1;
}

.service-icon-box {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: rgba(37, 99, 235, 0.15);
  border: 1px solid rgba(59, 130, 246, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--neon-cyan);
  margin-bottom: 1.5rem;
}

.service-title {
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 0.8rem;
}

.service-desc {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.service-list {
  list-style: none;
  margin-bottom: 1.5rem;
}

.service-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}

.service-list li::before {
  content: "✓";
  color: var(--neon-cyan);
  font-weight: 800;
}

/* Category Filter Tabs & Hardware Showcase */
.filter-tabs {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.8rem;
  flex-wrap: wrap;
  margin-bottom: 3rem;
}

.tab-btn {
  padding: 0.6rem 1.4rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-glass);
  color: var(--text-muted);
  border-radius: var(--radius-pill);
  font-weight: 600;
  font-size: 0.88rem;
  cursor: pointer;
  transition: var(--transition-fast);
}

.tab-btn.active, .tab-btn:hover {
  background: rgba(37, 99, 235, 0.2);
  border-color: var(--primary-blue-glow);
  color: var(--text-main);
}

.hardware-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: 2rem;
}

.hardware-card {
  padding: 2rem;
  display: flex;
  flex-direction: column;
}

.hw-tag {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--neon-cyan);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.6rem;
}

.hw-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.8rem;
}

.hw-desc {
  font-size: 0.92rem;
  color: var(--text-muted);
  margin-bottom: 1.2rem;
}

.brand-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: auto;
}

.chip {
  padding: 0.25rem 0.7rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  color: #cbd5e1;
}

/* Interactive HaaS Configurator Section */
.haas-section {
  background: rgba(11, 17, 32, 0.5);
  border-top: 1px solid var(--border-glass);
  border-bottom: 1px solid var(--border-glass);
}

.configurator-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.config-form {
  padding: 2.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.form-label {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-main);
  display: flex;
  justify-content: space-between;
}

.slider-val {
  color: var(--neon-cyan);
  font-weight: 700;
}

.range-slider {
  width: 100%;
  accent-color: var(--primary-blue-glow);
  height: 6px;
  border-radius: 3px;
  background: rgba(255, 255, 255, 0.1);
  cursor: pointer;
}

.checkbox-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.8rem;
}

.custom-checkbox {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.6rem 0.8rem;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  cursor: pointer;
}

.custom-checkbox input {
  accent-color: var(--neon-cyan);
}

.calc-summary {
  padding: 2.5rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  background: radial-gradient(circle at center, rgba(37, 99, 235, 0.15) 0%, rgba(15, 23, 42, 0.8) 100%);
  border: 1px solid var(--border-glow);
}

.price-label {
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}

.price-display {
  font-size: 3.5rem;
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 0.5rem;
}

.price-period {
  font-size: 1rem;
  color: var(--neon-cyan);
  font-weight: 600;
}

.savings-badge {
  margin-top: 1rem;
  margin-bottom: 2rem;
  padding: 0.4rem 1rem;
  background: rgba(16, 185, 129, 0.15);
  border: 1px solid rgba(16, 185, 129, 0.3);
  color: #34d399;
  border-radius: var(--radius-pill);
  font-size: 0.82rem;
  font-weight: 700;
}

/* Feature Highlights & Value Proposition */
.prop-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 2rem;
}

.prop-card {
  padding: 2rem;
  text-align: left;
}

.prop-number {
  font-size: 2.5rem;
  font-weight: 800;
  color: rgba(255, 255, 255, 0.1);
  margin-bottom: 0.5rem;
  line-height: 1;
}

.prop-title {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 0.6rem;
}

.prop-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* Contact & Footer Section */
.footer {
  background: #03060f;
  border-top: 1px solid var(--border-glass);
  padding-top: 5rem;
  padding-bottom: 3rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr 1fr;
  gap: 3rem;
  margin-bottom: 4rem;
}

.contact-info-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-top: 1.5rem;
}

.contact-info-list li {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  color: var(--text-muted);
  font-size: 0.95rem;
}

.contact-info-list i {
  color: var(--neon-cyan);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.07);
  padding-top: 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--text-subtle);
  font-size: 0.85rem;
}

/* Modal Popup */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(3, 6, 15, 0.85);
  backdrop-filter: blur(16px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: var(--transition-smooth);
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: all;
}

.modal-box {
  width: 90%;
  max-width: 550px;
  padding: 2.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border-cyan);
  border-radius: var(--radius-lg);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6);
  position: relative;
  transform: scale(0.9);
  transition: var(--transition-smooth);
}

.modal-overlay.active .modal-box {
  transform: scale(1);
}

.modal-close {
  position: absolute;
  top: 1.2rem;
  right: 1.2rem;
  background: rgba(255, 255, 255, 0.08);
  border: none;
  color: var(--text-main);
  width: 32px;
  height: 32px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
}

.form-input {
  width: 100%;
  padding: 0.8rem 1rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-sm);
  color: #fff;
  font-family: var(--font-family);
  font-size: 0.92rem;
}

.form-input:focus {
  outline: none;
  border-color: var(--neon-cyan);
  box-shadow: 0 0 10px rgba(0, 242, 254, 0.2);
}

/* Toast Notifications */
.toast-container {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 10000;
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.toast {
  padding: 1rem 1.5rem;
  background: rgba(15, 23, 42, 0.95);
  border: 1px solid var(--neon-cyan);
  border-radius: var(--radius-md);
  color: #fff;
  font-size: 0.9rem;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
  animation: slideIn 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes slideIn {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* Mobile Menu Toggle Button & Desktop Nav CTA override */
/* Responsive Adjustments */
@media (max-width: 992px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .hero-title {
    font-size: 2.8rem;
  }

  .configurator-wrapper {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }

  .nav-links {
    display: none;
  }
}

/* ==========================================================================
   WhatsApp Floating Action Button
   ========================================================================== */

.whatsapp-fab {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 9999;
  text-decoration: none;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: whatsapp-bounce-in 0.6s cubic-bezier(0.34, 1.56, 0.64, 1) both;
}

@keyframes whatsapp-bounce-in {
  0% { opacity: 0; transform: scale(0.4) translateY(40px); }
  100% { opacity: 1; transform: scale(1) translateY(0); }
}

.whatsapp-fab-inner {
  position: relative;
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, #25d366 0%, #128c5e 100%);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 28px rgba(37, 211, 102, 0.45), 0 2px 8px rgba(0,0,0,0.3);
  transition: transform 0.25s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.25s ease;
  z-index: 2;
}

.whatsapp-fab:hover .whatsapp-fab-inner {
  transform: scale(1.12);
  box-shadow: 0 10px 36px rgba(37, 211, 102, 0.6), 0 4px 12px rgba(0,0,0,0.35);
}

.whatsapp-icon {
  font-size: 1.75rem;
  color: #ffffff;
  line-height: 1;
}

/* Pulse ring */
.whatsapp-pulse {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: rgba(37, 211, 102, 0.35);
  animation: whatsapp-pulse 2.2s ease-out infinite;
  pointer-events: none;
}

@keyframes whatsapp-pulse {
  0%   { transform: scale(1);    opacity: 0.8; }
  70%  { transform: scale(1.75); opacity: 0; }
  100% { transform: scale(1.75); opacity: 0; }
}

/* Tooltip */
.whatsapp-tooltip {
  position: absolute;
  right: calc(100% + 14px);
  top: 50%;
  transform: translateY(-50%) translateX(8px);
  background: rgba(10, 16, 30, 0.92);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  color: #e2e8f0;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  padding: 0.45rem 0.85rem;
  border-radius: 8px;
  white-space: nowrap;
  border: 1px solid rgba(37, 211, 102, 0.25);
  box-shadow: 0 4px 16px rgba(0,0,0,0.35);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.whatsapp-tooltip::after {
  content: '';
  position: absolute;
  right: -6px;
  top: 50%;
  transform: translateY(-50%);
  width: 0; height: 0;
  border-top: 5px solid transparent;
  border-bottom: 5px solid transparent;
  border-left: 6px solid rgba(10, 16, 30, 0.92);
}

.whatsapp-fab:hover .whatsapp-tooltip {
  opacity: 1;
  transform: translateY(-50%) translateX(0);
}

@media (max-width: 640px) {
  .whatsapp-fab {
    bottom: 1.25rem;
    right: 1.25rem;
  }
  .whatsapp-fab-inner {
    width: 52px;
    height: 52px;
  }
  .whatsapp-icon {
    font-size: 1.5rem;
  }
  .whatsapp-tooltip {
    display: none;
  }
}