/* ==========================================================================
   ALCAPO DESIGNER — DESIGN SYSTEM & STYLES (Light Theme Exclusively)
   Inspirado en la estética limpia, moderna y minimalista de Apple / iOS
   ========================================================================== */

:root {
  /* Color Tokens - Light Mode Exclusivo */
  --bg-primary: #f6f7fb;
  --bg-secondary: #ffffff;
  --bg-tertiary: #f0f2f7;
  --bg-glass: rgba(255, 255, 255, 0.88);
  --bg-glass-card: rgba(255, 255, 255, 0.92);
  --bg-glass-hover: #ffffff;
  --bg-input: #f8f9fc;

  --border-subtle: rgba(0, 0, 0, 0.07);
  --border-strong: rgba(0, 0, 0, 0.14);
  --border-glow: rgba(229, 37, 40, 0.35);

  --brand-red: #e52528;
  --brand-red-hover: #d31e21;
  --brand-red-glow: rgba(229, 37, 40, 0.22);
  --brand-red-subtle: rgba(229, 37, 40, 0.08);

  --text-primary: #0b0b0e;
  --text-secondary: #505060;
  --text-muted: #848494;

  --accent-green: #25d366;
  --accent-green-glow: rgba(37, 211, 102, 0.25);
  --accent-blue: #0071e3;
  --accent-gold: #f5a623;

  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 10px 28px rgba(0, 0, 0, 0.07);
  --shadow-lg: 0 20px 50px rgba(0, 0, 0, 0.1);
  --shadow-red: 0 10px 28px rgba(229, 37, 40, 0.25);

  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-full: 9999px;

  --font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Plus Jakarta Sans", "Inter", system-ui, sans-serif;
  --transition-smooth: all 0.28s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-spring: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
  --container-max: 1240px;
}

/* ==========================================================================
   RESET & BASE STYLES
   ========================================================================== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  color-scheme: light;
}

body {
  font-family: var(--font-family);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  min-height: 100vh;
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

button, input, select, textarea {
  font-family: inherit;
  font-size: 1rem;
}

.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}

/* ==========================================================================
   HEADER & NAVIGATION (iOS Glassmorphism)
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--bg-glass);
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  border-bottom: 1px solid var(--border-subtle);
  transition: var(--transition-smooth);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}

.brand-link {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.brand-logo-img {
  height: 44px;
  width: auto;
  object-fit: contain;
  transition: transform 0.25s ease;
}

.brand-link:hover .brand-logo-img {
  transform: scale(1.04);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.nav-item-link {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: var(--transition-smooth);
  position: relative;
  padding: 8px 0;
}

.nav-item-link:hover,
.nav-item-link.active {
  color: var(--text-primary);
}

.nav-item-link.active::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--brand-red);
  border-radius: var(--radius-full);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 22px;
  border-radius: var(--radius-full);
  font-size: 0.92rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: var(--transition-smooth);
  text-decoration: none;
}

.btn:active {
  transform: scale(0.97);
}

.btn-primary {
  background: linear-gradient(135deg, var(--brand-red) 0%, #c4181a 100%);
  color: #ffffff;
  box-shadow: var(--shadow-red);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--brand-red-hover) 0%, var(--brand-red) 100%);
  box-shadow: 0 12px 32px rgba(229, 37, 40, 0.4);
  transform: translateY(-2px);
}

.btn-secondary {
  background: var(--bg-secondary);
  color: var(--text-primary);
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
  background: #ffffff;
  border-color: var(--border-strong);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.btn-whatsapp {
  background: #25d366;
  color: #ffffff;
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.3);
}

.btn-whatsapp:hover {
  background: #20bd5a;
  transform: translateY(-2px);
  box-shadow: 0 10px 26px rgba(37, 211, 102, 0.4);
}

.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 8px;
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */
.hero-section {
  position: relative;
  padding: 85px 0 65px;
  overflow: hidden;
}

.hero-glow-bg {
  position: absolute;
  top: -120px;
  left: 50%;
  transform: translateX(-50%);
  width: 750px;
  height: 400px;
  background: radial-gradient(circle, rgba(229, 37, 40, 0.08) 0%, rgba(229, 37, 40, 0) 70%);
  pointer-events: none;
  z-index: 0;
  filter: blur(50px);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: center;
  gap: 50px;
  position: relative;
  z-index: 1;
}

.hero-pill-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 7px 18px;
  background: var(--brand-red-subtle);
  border: 1px solid var(--border-glow);
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--brand-red);
  margin-bottom: 22px;
}

.pulse-dot {
  width: 8px;
  height: 8px;
  background: var(--brand-red);
  border-radius: 50%;
  box-shadow: 0 0 0 0 rgba(229, 37, 40, 0.7);
  animation: pulseAnimation 2s infinite;
}

@keyframes pulseAnimation {
  0% { box-shadow: 0 0 0 0 rgba(229, 37, 40, 0.7); }
  70% { box-shadow: 0 0 0 10px rgba(229, 37, 40, 0); }
  100% { box-shadow: 0 0 0 0 rgba(229, 37, 40, 0); }
}

.hero-title {
  font-size: clamp(2.3rem, 4.8vw, 3.7rem);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.03em;
  margin-bottom: 20px;
  color: var(--text-primary);
}

.hero-title .text-gradient-red {
  background: linear-gradient(135deg, #e52528 0%, #b81416 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-description {
  font-size: 1.15rem;
  color: var(--text-secondary);
  line-height: 1.65;
  margin-bottom: 34px;
  max-width: 580px;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 40px;
}

.hero-stats-bar {
  display: flex;
  align-items: center;
  gap: 32px;
  padding-top: 24px;
  border-top: 1px solid var(--border-subtle);
}

.hero-stat-item {
  display: flex;
  flex-direction: column;
}

.stat-number {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1.2;
}

.stat-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

/* Hero Showcase Card */
.hero-visual-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-lg);
}

.showcase-slider-wrapper {
  position: relative;
  aspect-ratio: 4 / 3;
  width: 100%;
  overflow: hidden;
}

.showcase-slide-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.hero-visual-card:hover .showcase-slide-img {
  transform: scale(1.03);
}

.showcase-overlay-badge {
  position: absolute;
  bottom: 20px;
  left: 20px;
  right: 20px;
  padding: 16px 20px;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(0, 0, 0, 0.08);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.overlay-info h4 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
}

.overlay-info p {
  font-size: 0.84rem;
  color: var(--text-secondary);
}

.badge-tag {
  font-size: 0.74rem;
  font-weight: 700;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  background: var(--brand-red);
  color: #ffffff;
}

/* ==========================================================================
   CATEGORY TABS WITH SMOOTH HORIZONTAL SCROLL WHEEL & ARROWS
   ========================================================================== */
.catalog-section {
  padding: 80px 0;
}

.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 46px;
}

.section-pill-title {
  display: inline-block;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--brand-red);
  margin-bottom: 10px;
}

.section-title {
  font-size: clamp(2rem, 3.5vw, 2.7rem);
  font-weight: 800;
  letter-spacing: -0.025em;
  margin-bottom: 14px;
}

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

.catalog-controls {
  margin-bottom: 40px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.search-bar-wrapper {
  position: relative;
  max-width: 520px;
  margin: 0 auto;
  width: 100%;
}

.search-input {
  width: 100%;
  padding: 14px 20px 14px 50px;
  border-radius: var(--radius-full);
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  font-size: 0.95rem;
  outline: none;
  box-shadow: var(--shadow-sm);
  transition: var(--transition-smooth);
}

.search-input:focus {
  border-color: var(--brand-red);
  box-shadow: 0 0 0 3px var(--brand-red-subtle);
}

.search-icon {
  position: absolute;
  left: 20px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 1.1rem;
}

/* Category Horizontal Wheel & Scroll Buttons */
.category-scroll-container {
  display: flex;
  align-items: center;
  position: relative;
  max-width: 100%;
  gap: 8px;
}

.scroll-arrow-btn {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: #ffffff;
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: var(--shadow-sm);
  flex-shrink: 0;
  transition: all 0.2s ease;
  z-index: 2;
}

.scroll-arrow-btn:hover {
  background: var(--brand-red);
  color: #ffffff;
  border-color: var(--brand-red);
}

.segmented-tabs-wrapper {
  display: flex;
  align-items: center;
  overflow-x: auto;
  scroll-behavior: smooth;
  -webkit-overflow-scrolling: touch;
  padding: 6px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  gap: 6px;
  scrollbar-width: none;
  flex-grow: 1;
}

.segmented-tabs-wrapper::-webkit-scrollbar {
  display: none;
}

.seg-tab-btn {
  padding: 9px 18px;
  border-radius: var(--radius-full);
  font-size: 0.88rem;
  font-weight: 600;
  border: none;
  background: transparent;
  color: var(--text-secondary);
  cursor: pointer;
  white-space: nowrap;
  transition: var(--transition-smooth);
  flex-shrink: 0;
}

.seg-tab-btn:hover {
  color: var(--text-primary);
}

.seg-tab-btn.active {
  background: #ffffff;
  color: var(--brand-red);
  box-shadow: var(--shadow-sm);
}

/* ==========================================================================
   SERVICES GRID
   ========================================================================== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: 28px;
}

.service-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition-spring);
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-sm);
}

.service-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-strong);
  box-shadow: var(--shadow-md);
}

.service-card-media {
  position: relative;
  aspect-ratio: 16 / 10;
  width: 100%;
  overflow: hidden;
  background: var(--bg-tertiary);
}

.service-card-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.service-card:hover .service-card-img {
  transform: scale(1.05);
}

.service-category-tag {
  position: absolute;
  top: 14px;
  left: 14px;
  padding: 5px 12px;
  border-radius: var(--radius-full);
  font-size: 0.74rem;
  font-weight: 700;
  background: rgba(255, 255, 255, 0.94);
  color: var(--text-primary);
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(0, 0, 0, 0.06);
}

.service-card-body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.service-card-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text-primary);
}

.service-card-desc {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.55;
  margin-bottom: 18px;
  flex-grow: 1;
}

.service-specs-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 22px;
}

.spec-pill {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  background: var(--bg-tertiary);
  color: var(--text-secondary);
  border: 1px solid var(--border-subtle);
}

.service-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 18px;
  border-top: 1px solid var(--border-subtle);
}

.service-price-block {
  display: flex;
  flex-direction: column;
}

.price-sub {
  font-size: 0.72rem;
  color: var(--text-muted);
  text-transform: uppercase;
  font-weight: 600;
}

.price-val {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--text-primary);
}

.btn-card-quote {
  padding: 8px 16px;
  font-size: 0.85rem;
  border-radius: var(--radius-full);
  background: var(--brand-red-subtle);
  color: var(--brand-red);
  border: 1px solid var(--border-glow);
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.btn-card-quote:hover {
  background: var(--brand-red);
  color: #ffffff;
  transform: translateY(-2px);
}

/* ==========================================================================
   LIVE QUOTE CALCULATOR
   ========================================================================== */
.calculator-section {
  padding: 80px 0;
  background: linear-gradient(180deg, transparent 0%, var(--bg-secondary) 100%);
}

.calculator-card {
  background: #ffffff;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-lg);
  max-width: 960px;
  margin: 0 auto;
}

.calc-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 40px;
}

.form-group {
  margin-bottom: 20px;
}

.form-label {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.form-select, .form-input, .form-textarea {
  width: 100%;
  padding: 13px 18px;
  border-radius: var(--radius-md);
  background: var(--bg-input);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  font-size: 0.95rem;
  outline: none;
  transition: var(--transition-smooth);
}

.form-select:focus, .form-input:focus, .form-textarea:focus {
  border-color: var(--brand-red);
  background: #ffffff;
  box-shadow: 0 0 0 3px var(--brand-red-subtle);
}

.calc-summary-box {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 28px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.summary-title {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-subtle);
}

.summary-row {
  display: flex;
  justify-content: space-between;
  margin-bottom: 10px;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.summary-total {
  margin-top: 20px;
  padding-top: 16px;
  border-top: 2px dashed var(--border-strong);
  display: flex;
  justify-content: space-between;
  align-items: baseline;
}

.total-label {
  font-weight: 700;
  font-size: 1.1rem;
}

.total-amount {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--brand-red);
}

.calc-actions {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 24px;
}

/* ==========================================================================
   SUPPORT & CONTACT TICKETS
   ========================================================================== */
.support-section {
  padding: 80px 0;
}

.support-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}

.support-form-card {
  background: #ffffff;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 36px;
  box-shadow: var(--shadow-md);
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.faq-item {
  background: #ffffff;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition-smooth);
}

.faq-question {
  width: 100%;
  padding: 18px 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 1rem;
  font-weight: 600;
  text-align: left;
  cursor: pointer;
}

.faq-icon {
  font-size: 1.1rem;
  transition: transform 0.3s ease;
  color: var(--brand-red);
}

.faq-item.active .faq-icon {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
  padding: 0 22px;
  color: var(--text-secondary);
  font-size: 0.92rem;
  line-height: 1.6;
}

.faq-item.active .faq-answer {
  max-height: 200px;
  padding-bottom: 20px;
}

/* ==========================================================================
   LOCATION & MAP SECTION
   ========================================================================== */
.location-section {
  padding: 70px 0;
  background: #ffffff;
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.location-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 40px;
  align-items: center;
}

.location-info h3 {
  font-size: 1.8rem;
  font-weight: 800;
  margin-bottom: 16px;
}

.contact-meta-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 26px;
}

.contact-meta-item {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 0.95rem;
  color: var(--text-secondary);
}

.contact-icon-box {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: var(--brand-red-subtle);
  color: var(--brand-red);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.map-embed-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-md);
  aspect-ratio: 16 / 10;
}

.map-embed-card iframe {
  width: 100%;
  height: 100%;
  border: 0;
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.site-footer {
  padding: 60px 0 30px;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-subtle);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-brand p {
  font-size: 0.92rem;
  color: var(--text-secondary);
  margin-top: 14px;
  max-width: 320px;
}

.footer-col h5 {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 18px;
  color: var(--text-primary);
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  font-size: 0.88rem;
  color: var(--text-secondary);
  transition: var(--transition-smooth);
}

.footer-links a:hover {
  color: var(--brand-red);
  padding-left: 4px;
}

.footer-bottom {
  padding-top: 26px;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.84rem;
  color: var(--text-muted);
}

.footer-bottom a {
  color: var(--text-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer-bottom a:hover {
  color: var(--brand-red);
  text-decoration: underline;
}

/* ==========================================================================
   FLOATING WHATSAPP BUTTON (iOS Glass style)
   ========================================================================== */
.floating-whatsapp-widget {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 999;
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: transform;
}

.floating-whatsapp-widget.at-footer {
  transform: translateY(-72px);
}

.floating-whatsapp-btn {
  width: 60px;
  height: 60px;
  border-radius: var(--radius-full);
  background: #25d366;
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  box-shadow: 0 10px 25px rgba(37, 211, 102, 0.4);
  transition: var(--transition-spring);
  cursor: pointer;
}

.floating-whatsapp-btn:hover {
  transform: scale(1.1) rotate(5deg);
  box-shadow: 0 14px 35px rgba(37, 211, 102, 0.55);
}

.whatsapp-tooltip {
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-subtle);
  padding: 8px 14px;
  border-radius: var(--radius-md);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-primary);
  box-shadow: var(--shadow-sm);
  display: flex;
  align-items: center;
  gap: 8px;
}

.online-indicator {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-green);
}

/* ==========================================================================
   MODAL / DIALOG COMPONENT
   ========================================================================== */
.custom-modal {
  border: none;
  border-radius: var(--radius-lg);
  background: #ffffff;
  color: var(--text-primary);
  padding: 0;
  max-width: 650px;
  width: 90%;
  margin: auto;
  box-shadow: var(--shadow-lg);
  outline: none;
}

.custom-modal::backdrop {
  background: rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px 28px;
  border-bottom: 1px solid var(--border-subtle);
}

.modal-close-btn {
  background: var(--bg-tertiary);
  border: none;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  color: var(--text-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
}

.modal-body {
  padding: 28px;
  max-height: 75vh;
  overflow-y: auto;
}

/* ==========================================================================
   RESPONSIVE DESIGN (Mobile & Tablets)
   ========================================================================== */
@media (max-width: 992px) {
  .hero-grid, .calc-grid, .support-grid, .location-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }

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

@media (max-width: 768px) {
  .nav-menu {
    display: none;
  }

  .mobile-menu-toggle {
    display: block;
  }

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

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

  .calculator-card {
    padding: 24px 18px;
  }

  .hero-stats-bar {
    flex-wrap: wrap;
    gap: 20px;
  }

  .floating-whatsapp-widget .whatsapp-tooltip {
    display: none;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 10px;
    text-align: center;
  }

  .floating-whatsapp-widget.at-footer {
    transform: translateY(-90px);
  }
}