/* ═══════════════════════════════════════════════════════════════════
   Aarvin Ear Care & AarviNearCare — Premium Healthcare Design System
   Color Palette:
     - Primary: Deep medical teal (#087F8C)
     - Secondary: Navy blue (#12304A)
     - Background: Pure White (#FFFFFF)
     - Section Background: Soft medical blue (#F3F8FB)
     - Text: Dark charcoal (#263746)
     - Muted Text: #64748B
     - Accent: Soft mint (#E7F5F2)
   Corporate Entity: AARVIX TECHNOLOGIES, Bengaluru, Karnataka
   ═══════════════════════════════════════════════════════════════════ */

/* ── 1. CSS Variables & Reset ── */
:root {
  --color-primary: #087F8C;
  --color-primary-hover: #066772;
  --color-primary-light: #0aa2b2;
  --color-secondary: #12304A;
  --color-secondary-dark: #0c2032;
  --color-bg-white: #FFFFFF;
  --color-bg-soft: #F3F8FB;
  --color-bg-mint: #E7F5F2;
  --color-text-main: #263746;
  --color-text-muted: #64748B;
  --color-border: #E2E8F0;
  --color-border-subtle: #EDF2F7;
  --color-success: #10B981;
  --color-warning: #F59E0B;
  --color-danger: #EF4444;

  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;

  --shadow-sm: 0 2px 6px rgba(18, 48, 74, 0.04);
  --shadow-md: 0 6px 18px rgba(18, 48, 74, 0.06);
  --shadow-lg: 0 12px 32px rgba(18, 48, 74, 0.08);
  --shadow-teal: 0 10px 25px rgba(8, 127, 140, 0.2);

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 22px;
  --radius-pill: 9999px;

  --container-max: 1200px;
  --transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

*, *::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-family);
  color: var(--color-text-main);
  background-color: var(--color-bg-white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

body.modal-open,
body.drawer-open {
  overflow: hidden;
}

/* ── 2. Typography ── */
h1, h2, h3, h4, h5, h6 {
  color: var(--color-secondary);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.02em;
}

h1 {
  font-size: 2.75rem;
  font-weight: 800;
  line-height: 1.15;
}

h2 {
  font-size: 2rem;
  font-weight: 700;
}

h3 {
  font-size: 1.35rem;
  font-weight: 600;
}

h4 {
  font-size: 1.15rem;
  font-weight: 600;
}

p {
  color: var(--color-text-main);
  line-height: 1.65;
}

p.lead {
  font-size: 1.125rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: var(--transition);
}

a:hover {
  color: var(--color-primary-hover);
}

ul, ol {
  list-style: none;
}

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

/* ── 3. Layout & Containers ── */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
}

.section {
  padding: 80px 0;
  position: relative;
}

.section-soft {
  background-color: var(--color-bg-soft);
}

.section-white {
  background-color: var(--color-bg-white);
}

.section-secondary {
  background-color: var(--color-secondary);
  color: #FFFFFF;
}

.section-secondary h2,
.section-secondary h3,
.section-secondary h4,
.section-secondary p {
  color: #FFFFFF;
}

/* ── 4. Section Title Header ── */
.section-header {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 50px auto;
}

.badge-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background-color: var(--color-bg-mint);
  color: var(--color-primary);
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  margin-bottom: 14px;
  border: 1px solid rgba(8, 127, 140, 0.15);
}

.badge-tag.badge-light {
  background-color: rgba(255, 255, 255, 0.12);
  color: #FFFFFF;
  border-color: rgba(255, 255, 255, 0.2);
}

.section-header h2 {
  font-size: 2.15rem;
  margin-bottom: 14px;
  color: var(--color-secondary);
}

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

/* ── 5. Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-family);
  font-size: 0.95rem;
  font-weight: 600;
  padding: 12px 24px;
  border-radius: var(--radius-md);
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  line-height: 1.25;
}

.btn-pill {
  border-radius: var(--radius-pill);
}

.btn-primary {
  background-color: var(--color-primary);
  color: #FFFFFF;
  border-color: var(--color-primary);
}

.btn-primary:hover {
  background-color: var(--color-primary-hover);
  border-color: var(--color-primary-hover);
  color: #FFFFFF;
  box-shadow: var(--shadow-teal);
  transform: translateY(-1px);
}

.btn-secondary {
  background-color: var(--color-secondary);
  color: #FFFFFF;
  border-color: var(--color-secondary);
}

.btn-secondary:hover {
  background-color: var(--color-secondary-dark);
  border-color: var(--color-secondary-dark);
  color: #FFFFFF;
  transform: translateY(-1px);
}

.btn-mint {
  background-color: var(--color-bg-mint);
  color: var(--color-primary);
  border-color: rgba(8, 127, 140, 0.2);
}

.btn-mint:hover {
  background-color: var(--color-primary);
  color: #FFFFFF;
  border-color: var(--color-primary);
}

.btn-outline {
  background-color: transparent;
  color: var(--color-secondary);
  border-color: var(--color-border);
}

.btn-outline:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background-color: var(--color-bg-mint);
}

.btn-outline-white {
  background-color: transparent;
  color: #FFFFFF;
  border-color: rgba(255, 255, 255, 0.35);
}

.btn-outline-white:hover {
  background-color: #FFFFFF;
  color: var(--color-secondary);
  border-color: #FFFFFF;
}

.btn-sm {
  padding: 8px 16px;
  font-size: 0.85rem;
}

.btn-lg {
  padding: 15px 32px;
  font-size: 1.05rem;
}

/* ── 6. Top Dispatch Notice Bar ── */
.top-notice-bar {
  background-color: var(--color-secondary-dark);
  color: #E2E8F0;
  font-size: 0.82rem;
  padding: 8px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.top-notice-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
}

.notice-status {
  display: flex;
  align-items: center;
  gap: 8px;
}

.pulse-dot {
  width: 8px;
  height: 8px;
  background-color: #10B981;
  border-radius: 50%;
  box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7);
  animation: pulse-green 2s infinite;
}

@keyframes pulse-green {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
  70% { transform: scale(1); box-shadow: 0 0 0 6px rgba(16, 185, 129, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

.top-notice-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.top-notice-actions a {
  color: #A0AEC0;
  font-size: 0.8rem;
  display: flex;
  align-items: center;
  gap: 4px;
}

.top-notice-actions a:hover {
  color: #FFFFFF;
}

/* ── 7. Main Header & Navbar ── */
.site-navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
  transition: var(--transition);
}

.site-navbar.scrolled {
  box-shadow: var(--shadow-md);
  border-bottom-color: transparent;
}

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

.brand-link {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.brand-logo-img {
  width: 44px;
  height: 44px;
  object-fit: contain;
  border-radius: 8px;
}

.brand-text-wrap {
  display: flex;
  flex-direction: column;
}

.brand-name {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--color-secondary);
  line-height: 1.1;
  letter-spacing: -0.01em;
}

.brand-name span {
  color: var(--color-primary);
}

.brand-subtitle {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-link {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-secondary);
  text-decoration: none;
  position: relative;
  padding: 6px 0;
  transition: var(--transition);
}

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

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--color-primary);
  border-radius: 2px;
}

.nav-cta-wrap {
  display: flex;
  align-items: center;
  gap: 12px;
}

.hamburger-btn {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  color: var(--color-secondary);
  font-size: 1.5rem;
}

/* ── 8. Hero Section ── */
.hero-section {
  padding: 70px 0 80px 0;
  background: linear-gradient(180deg, #FFFFFF 0%, var(--color-bg-soft) 100%);
  position: relative;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: center;
  gap: 48px;
}

.hero-content {
  max-width: 620px;
}

.hero-content h1 {
  font-size: 2.85rem;
  margin-bottom: 18px;
  color: var(--color-secondary);
}

.hero-content h1 span.highlight {
  color: var(--color-primary);
}

.hero-desc {
  font-size: 1.12rem;
  color: var(--color-text-muted);
  line-height: 1.65;
  margin-bottom: 28px;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 34px;
}

.hero-trust-chips {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
  padding-top: 22px;
  border-top: 1px solid var(--color-border);
}

.trust-chip {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text-main);
}

.trust-chip i,
.trust-chip span.icon {
  color: var(--color-primary);
  font-weight: 800;
}

.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-img-main {
  width: 100%;
  max-width: 480px;
  filter: drop-shadow(0 15px 30px rgba(18, 48, 74, 0.12));
  animation: hero-float 6s ease-in-out infinite;
}

@keyframes hero-float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

.hero-floating-card {
  position: absolute;
  bottom: 20px;
  left: -20px;
  background-color: #FFFFFF;
  border-radius: var(--radius-lg);
  padding: 14px 18px;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  gap: 12px;
  animation: hero-float-card 6s ease-in-out infinite 1s;
}

@keyframes hero-float-card {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(8px); }
}

.hero-floating-icon {
  width: 40px;
  height: 40px;
  background-color: var(--color-bg-mint);
  color: var(--color-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
}

.hero-floating-text h4 {
  font-size: 0.92rem;
  margin-bottom: 2px;
}

.hero-floating-text p {
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

/* ── 9. Trust & Accreditation Strip ── */
.trust-strip {
  background-color: #FFFFFF;
  padding: 24px 0;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.trust-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 12px;
}

.trust-item-icon {
  width: 42px;
  height: 42px;
  background-color: var(--color-bg-soft);
  border-radius: var(--radius-md);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
  border: 1px solid var(--color-border);
}

.trust-item-text h4 {
  font-size: 0.9rem;
  margin-bottom: 2px;
  color: var(--color-secondary);
}

.trust-item-text p {
  font-size: 0.78rem;
  color: var(--color-text-muted);
}

/* ── 10. Healthcare Services Grid ── */
.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.service-card {
  background-color: var(--color-bg-white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  padding: 30px 24px;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  height: 100%;
  box-shadow: var(--shadow-sm);
}

.service-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-primary);
  box-shadow: var(--shadow-lg);
}

.service-icon-box {
  width: 54px;
  height: 54px;
  background-color: var(--color-bg-mint);
  color: var(--color-primary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  margin-bottom: 20px;
  border: 1px solid rgba(8, 127, 140, 0.15);
}

.service-card h3 {
  font-size: 1.22rem;
  margin-bottom: 12px;
  color: var(--color-secondary);
}

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

.service-features {
  margin-bottom: 22px;
  padding-top: 14px;
  border-top: 1px solid var(--color-border-subtle);
}

.service-features li {
  font-size: 0.82rem;
  color: var(--color-text-main);
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.service-features li i {
  color: var(--color-primary);
  font-size: 0.85rem;
}

.service-price-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 16px;
  padding-top: 10px;
  border-top: 1px solid var(--color-border-subtle);
}

.service-price-label {
  font-size: 0.78rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  font-weight: 600;
}

.service-price-value {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--color-secondary);
}

/* ── 11. About Us Section ── */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 56px;
}

.about-img-wrap {
  position: relative;
  text-align: center;
}

.about-img-wrap img {
  max-width: 460px;
  margin: 0 auto;
  border-radius: var(--radius-lg);
}

.about-content h2 {
  font-size: 2.15rem;
  margin-bottom: 18px;
  color: var(--color-secondary);
}

.about-content p {
  font-size: 1rem;
  color: var(--color-text-muted);
  line-height: 1.65;
  margin-bottom: 20px;
}

.about-checklist {
  margin-bottom: 28px;
}

.about-checklist li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 0.95rem;
  color: var(--color-text-main);
  margin-bottom: 14px;
}

.about-check-icon {
  width: 24px;
  height: 24px;
  background-color: var(--color-bg-mint);
  color: var(--color-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: 800;
  flex-shrink: 0;
  margin-top: 2px;
}

/* ── 12. Why Choose Us Section ── */
.why-us-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.why-card {
  background-color: #FFFFFF;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  padding: 32px 24px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.why-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
}

.why-card-icon {
  width: 48px;
  height: 48px;
  background-color: var(--color-bg-mint);
  color: var(--color-primary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 18px;
}

.why-card h3 {
  font-size: 1.15rem;
  margin-bottom: 10px;
}

.why-card p {
  font-size: 0.88rem;
  color: var(--color-text-muted);
  line-height: 1.55;
}

/* ── 13. Interactive Service Cost Calculator ── */
.calc-card {
  background-color: #FFFFFF;
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-lg);
  padding: 36px;
  max-width: 960px;
  margin: 0 auto;
}

.calc-nav-tabs {
  display: flex;
  gap: 8px;
  background-color: var(--color-bg-soft);
  padding: 6px;
  border-radius: var(--radius-pill);
  margin-bottom: 30px;
  border: 1px solid var(--color-border);
  overflow-x: auto;
}

.calc-tab-btn {
  flex: 1;
  background: none;
  border: none;
  padding: 10px 18px;
  font-family: var(--font-family);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-text-muted);
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

.calc-tab-btn.active {
  background-color: var(--color-primary);
  color: #FFFFFF;
  box-shadow: var(--shadow-sm);
}

.calc-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  align-items: start;
}

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

.form-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-secondary);
  margin-bottom: 6px;
}

.form-control {
  width: 100%;
  padding: 12px 14px;
  font-family: var(--font-family);
  font-size: 0.95rem;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text-main);
  background-color: #FFFFFF;
  transition: var(--transition);
  outline: none;
}

.form-control:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(8, 127, 140, 0.12);
}

.calc-summary-panel {
  background-color: var(--color-bg-soft);
  border-radius: var(--radius-lg);
  padding: 24px;
  border: 1px solid var(--color-border);
}

.summary-title {
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--color-text-muted);
  letter-spacing: 0.05em;
  margin-bottom: 12px;
}

.summary-service-name {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-secondary);
  margin-bottom: 8px;
}

.summary-meta-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 16px;
}

.summary-meta-item {
  background-color: #FFFFFF;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border-subtle);
}

.summary-meta-item .meta-label {
  font-size: 0.72rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
}

.summary-meta-item .meta-value {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-secondary);
}

.summary-consumables {
  background-color: #FFFFFF;
  padding: 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border-subtle);
  font-size: 0.82rem;
  color: var(--color-text-main);
  margin-bottom: 20px;
}

.summary-total-box {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  border-top: 2px solid var(--color-border);
  margin-bottom: 20px;
}

.summary-total-label {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-secondary);
}

.summary-total-price {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--color-primary);
}

/* ── 14. Appointment Booking Section ── */
.booking-section {
  background-color: var(--color-bg-white);
}

.booking-wrapper {
  max-width: 860px;
  margin: 0 auto;
  background-color: #FFFFFF;
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

.booking-header-bar {
  background-color: var(--color-secondary);
  color: #FFFFFF;
  padding: 28px 36px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.booking-header-bar h3 {
  color: #FFFFFF;
  font-size: 1.35rem;
  margin-bottom: 4px;
}

.booking-header-bar p {
  color: #A0AEC0;
  font-size: 0.88rem;
}

.booking-form-body {
  padding: 36px;
}

.form-grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.form-help {
  font-size: 0.78rem;
  color: var(--color-text-muted);
  margin-top: 4px;
}

.booking-alert {
  padding: 14px 18px;
  border-radius: var(--radius-md);
  margin-bottom: 20px;
  font-size: 0.9rem;
  display: none;
}

.booking-alert-success {
  background-color: #DEF7EC;
  color: #03543F;
  border: 1px solid #BCF0DA;
}

.booking-alert-error {
  background-color: #FDE8E8;
  color: #9B1C1C;
  border: 1px solid #F8B4B4;
}

.booking-success-box {
  display: none;
  text-align: center;
  padding: 30px 20px;
}

.success-icon-large {
  width: 64px;
  height: 64px;
  background-color: #DEF7EC;
  color: #0E9F6E;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  margin: 0 auto 18px auto;
}

.booking-success-box h3 {
  font-size: 1.5rem;
  margin-bottom: 10px;
}

.booking-ref-badge {
  display: inline-block;
  background-color: var(--color-bg-mint);
  color: var(--color-primary);
  font-family: var(--font-mono);
  font-weight: 700;
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  margin: 10px 0 16px 0;
  font-size: 1.05rem;
}

.btn-spinner {
  display: inline-block;
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  border-top-color: #FFFFFF;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ── 15. FAQ Accordion ── */
.faq-wrap {
  max-width: 820px;
  margin: 0 auto;
}

.faq-item {
  background-color: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  margin-bottom: 12px;
  overflow: hidden;
  transition: var(--transition);
}

.faq-item.active {
  border-color: var(--color-primary);
}

.faq-question {
  width: 100%;
  background: none;
  border: none;
  padding: 20px 24px;
  text-align: left;
  font-family: var(--font-family);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--color-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  transition: var(--transition);
}

.faq-question:hover {
  color: var(--color-primary);
}

.faq-chevron {
  width: 20px;
  height: 20px;
  transition: transform 0.25s ease;
  flex-shrink: 0;
  color: var(--color-primary);
}

.faq-item.active .faq-chevron {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease-out;
  padding: 0 24px;
}

.faq-item.active .faq-answer {
  max-height: 400px;
  padding: 0 24px 20px 24px;
}

.faq-answer p {
  font-size: 0.92rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* ── 16. Contact Section ── */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 40px;
}

.contact-info-cards {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.contact-info-card {
  background-color: #FFFFFF;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  padding: 22px;
  display: flex;
  align-items: flex-start;
  gap: 16px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.contact-info-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
}

.contact-icon-box {
  width: 44px;
  height: 44px;
  background-color: var(--color-bg-mint);
  color: var(--color-primary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  flex-shrink: 0;
}

.contact-info-card h4 {
  font-size: 1rem;
  margin-bottom: 4px;
}

.contact-info-card p,
.contact-info-card a {
  font-size: 0.88rem;
  color: var(--color-text-muted);
  line-height: 1.5;
}

.contact-info-card a:hover {
  color: var(--color-primary);
}

.contact-map-wrapper {
  background-color: #FFFFFF;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.map-card-header {
  padding: 20px 24px;
  border-bottom: 1px solid var(--color-border);
}

.map-card-header h4 {
  font-size: 1.05rem;
  margin-bottom: 2px;
}

.map-card-header p {
  font-size: 0.82rem;
  color: var(--color-text-muted);
}

.map-embed-container {
  height: 320px;
  width: 100%;
}

.map-embed-container iframe {
  width: 100%;
  height: 100%;
  border: none;
}

/* ── 17. Footer ── */
.site-footer {
  background-color: var(--color-secondary);
  color: #E2E8F0;
  padding: 70px 0 30px 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
  gap: 40px;
  margin-bottom: 50px;
}

.footer-brand h3 {
  color: #FFFFFF;
  font-size: 1.35rem;
  margin-bottom: 12px;
}

.footer-brand p {
  color: #94A3B8;
  font-size: 0.88rem;
  line-height: 1.6;
  margin-bottom: 18px;
}

.footer-col h4 {
  color: #FFFFFF;
  font-size: 1rem;
  margin-bottom: 18px;
  font-weight: 600;
}

.footer-col ul li {
  margin-bottom: 10px;
}

.footer-col ul li a {
  color: #94A3B8;
  font-size: 0.88rem;
  transition: var(--transition);
}

.footer-col ul li a:hover {
  color: #FFFFFF;
  padding-left: 4px;
}

.footer-contact-item {
  font-size: 0.88rem;
  color: #94A3B8;
  margin-bottom: 10px;
  display: flex;
  align-items: flex-start;
  gap: 8px;
}

.footer-bottom {
  padding-top: 30px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 0.82rem;
  color: #94A3B8;
}

.footer-legal-links {
  display: flex;
  align-items: center;
  gap: 20px;
}

.footer-legal-links a {
  color: #94A3B8;
}

.footer-legal-links a:hover {
  color: #FFFFFF;
}

/* ── 18. Mobile Drawer Menu ── */
.mobile-drawer-backdrop {
  position: fixed;
  inset: 0;
  background-color: rgba(18, 48, 74, 0.5);
  backdrop-filter: blur(4px);
  z-index: 1998;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}

.mobile-drawer-backdrop.active {
  opacity: 1;
  visibility: visible;
}

.mobile-drawer {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: 320px;
  max-width: 85%;
  background-color: #FFFFFF;
  z-index: 1999;
  box-shadow: -10px 0 30px rgba(0, 0, 0, 0.15);
  padding: 30px 24px;
  transform: translateX(100%);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  display: flex;
  flex-direction: column;
}

.mobile-drawer.active {
  transform: translateX(0);
}

.drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: 24px;
}

.drawer-close-btn {
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--color-text-muted);
  cursor: pointer;
  padding: 4px;
}

.drawer-links {
  display: flex;
  flex-direction: column;
  gap: 18px;
  margin-bottom: auto;
}

.drawer-links a {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--color-secondary);
}

.drawer-links a:hover {
  color: var(--color-primary);
}

.drawer-footer {
  padding-top: 24px;
  border-top: 1px solid var(--color-border);
}

/* ── 19. Floating WhatsApp Widget ── */
.floating-whatsapp {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 999;
  display: flex;
  align-items: center;
  gap: 10px;
  background-color: #25D366;
  color: #FFFFFF;
  padding: 12px 18px;
  border-radius: var(--radius-pill);
  box-shadow: 0 8px 24px rgba(37, 211, 102, 0.35);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.92rem;
  transition: var(--transition);
}

.floating-whatsapp:hover {
  background-color: #20BD5A;
  color: #FFFFFF;
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(37, 211, 102, 0.45);
}

.whatsapp-icon {
  font-size: 1.3rem;
}

/* ── 20. Responsive Media Queries ── */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 40px;
  }

  .hero-content {
    max-width: 100%;
    margin: 0 auto;
  }

  .hero-cta-group,
  .hero-trust-chips {
    justify-content: center;
  }

  .hero-visual {
    order: -1;
  }

  .hero-img-main {
    max-width: 380px;
  }

  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .why-us-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .about-img-wrap {
    order: -1;
  }

  .trust-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .section {
    padding: 55px 0;
  }

  h1 {
    font-size: 2.15rem;
  }

  h2 {
    font-size: 1.65rem;
  }

  .nav-menu,
  .nav-cta-wrap .btn-primary {
    display: none;
  }

  .hamburger-btn {
    display: block;
  }

  .calc-grid,
  .contact-grid,
  .form-grid-2 {
    grid-template-columns: 1fr;
  }

  .calc-card,
  .booking-form-body {
    padding: 24px 18px;
  }

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

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

  .why-us-grid {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }

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

  .floating-whatsapp span.text {
    display: none;
  }

  .floating-whatsapp {
    padding: 14px;
    border-radius: 50%;
  }

  .hero-floating-card {
    display: none;
  }
}

@media (max-width: 390px) {
  .container {
    padding-left: 16px;
    padding-right: 16px;
  }

  h1 {
    font-size: 1.85rem;
  }

  .btn {
    width: 100%;
  }

  .hero-cta-group {
    flex-direction: column;
    width: 100%;
  }
}