/* ================================================================
   Service Page Shared Stylesheet — service-page.css
   Arun Ortho Speciality Clinic
================================================================ */

:root {
  --sp-blue:    #0B4F96;
  --sp-royal:   #2563EB;
  --sp-sky:     #38BDF8;
  --sp-teal:    #0d9488;
  --sp-white:   #FFFFFF;
  --sp-light:   #F5F9FF;
  --sp-text:    #1e3a5f;
  --sp-muted:   #64748b;
  --sp-red:     #EF4444;
  --sp-radius:  14px;
  --sp-shadow:  0 4px 24px rgba(11,79,150,0.10);
  --sp-shadow-lg: 0 12px 48px rgba(11,79,150,0.16);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', system-ui, sans-serif;
  background: var(--sp-light);
  color: var(--sp-text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

/* ── STICKY MINI-NAV ── */
.sp-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(11,79,150,0.10);
  box-shadow: 0 2px 16px rgba(11,79,150,0.08);
}

.sp-nav {
  max-width: 1200px;
  margin-inline: auto;
  padding: 0.85rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

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

.sp-logo-box {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, #0B4F96, #2563EB);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  box-shadow: 0 3px 12px rgba(11,79,150,0.30);
}

.sp-logo-name {
  font-family: 'Outfit', sans-serif;
  font-size: 0.95rem;
  font-weight: 800;
  color: var(--sp-blue);
}

.sp-logo-sub {
  font-size: 0.58rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--sp-muted);
}

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

.sp-nav-link {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--sp-blue);
  text-decoration: none;
  transition: opacity 0.2s;
}

.sp-nav-link:hover { opacity: 0.7; }

.sp-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  background: linear-gradient(135deg, #0B4F96, #2563EB);
  color: #fff;
  font-size: 0.82rem;
  font-weight: 700;
  padding: 0.5rem 1.1rem;
  border-radius: 999px;
  text-decoration: none;
  box-shadow: 0 3px 14px rgba(11,79,150,0.30);
  transition: all 0.22s;
  white-space: nowrap;
}

.sp-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 22px rgba(11,79,150,0.40);
}

/* ── HERO ── */
.sp-hero {
  background: linear-gradient(135deg, #0B3D78 0%, #0B4F96 45%, #1565c0 80%, #1976d2 100%);
  color: #fff;
  text-align: center;
  padding: 5rem 1.5rem 4rem;
  position: relative;
  overflow: hidden;
}

.sp-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 60% 50%, rgba(56,189,248,0.15) 0%, transparent 65%);
  pointer-events: none;
}

.sp-hero-badge {
  display: inline-block;
  background: rgba(255,255,255,0.15);
  border: 1px solid rgba(255,255,255,0.3);
  color: #93c5fd;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.3rem 1rem;
  border-radius: 999px;
  margin-bottom: 1.25rem;
}

.sp-hero h1 {
  font-family: 'Outfit', sans-serif;
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}

.sp-hero p {
  font-size: clamp(0.95rem, 2vw, 1.1rem);
  color: rgba(255,255,255,0.82);
  max-width: 640px;
  margin-inline: auto;
  margin-bottom: 2rem;
  line-height: 1.65;
}

.sp-hero-actions {
  display: flex;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
}

/* ── CONTAINER ── */
.sp-container {
  max-width: 1200px;
  margin-inline: auto;
  padding-inline: 1.5rem;
}

/* ── SECTIONS ── */
.sp-section {
  padding: 4.5rem 0;
}

.sp-section.sp-alt {
  background: #fff;
  margin-inline: -1.5rem;
  padding-inline: 1.5rem;
  border-radius: var(--sp-radius);
}

.sp-section h2 {
  font-family: 'Outfit', sans-serif;
  font-size: clamp(1.5rem, 3vw, 2.1rem);
  font-weight: 800;
  color: var(--sp-blue);
  margin-bottom: 1rem;
  letter-spacing: -0.01em;
}

.sp-section p {
  color: var(--sp-muted);
  margin-bottom: 0.75rem;
  max-width: 680px;
  font-size: 0.97rem;
}

.sp-label {
  display: inline-block;
  background: linear-gradient(135deg, #EFF6FF, #DBEAFE);
  color: var(--sp-royal);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0.25rem 0.8rem;
  border-radius: 999px;
  margin-bottom: 0.85rem;
  border: 1px solid rgba(37,99,235,0.2);
}

/* ── GRID LAYOUT ── */
.sp-section-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  align-items: start;
}

@media (min-width: 768px) {
  .sp-section-grid { grid-template-columns: 1fr 320px; }
}

/* ── INFO CARD ── */
.sp-info-card {
  background: linear-gradient(135deg, #0B4F96, #1565c0);
  color: #fff;
  border-radius: var(--sp-radius);
  padding: 1.75rem;
  box-shadow: var(--sp-shadow-lg);
}

.sp-info-card h3 {
  font-family: 'Outfit', sans-serif;
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 1.25rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid rgba(255,255,255,0.2);
}

.sp-info-card ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.sp-info-card li {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.9);
  padding: 0.55rem 0.75rem;
  background: rgba(255,255,255,0.1);
  border-radius: 8px;
}

/* ── SERVICE CONDITION CARDS ── */
.sp-cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1.25rem;
  margin-top: 2rem;
}

.sp-card {
  background: var(--sp-light);
  border: 1px solid rgba(11,79,150,0.1);
  border-radius: var(--sp-radius);
  padding: 1.5rem;
  transition: all 0.25s ease;
}

.sp-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--sp-shadow-lg);
  border-color: rgba(37,99,235,0.25);
}

.sp-card-icon {
  font-size: 2rem;
  margin-bottom: 0.75rem;
}

.sp-card h4 {
  font-family: 'Outfit', sans-serif;
  font-size: 1rem;
  font-weight: 700;
  color: var(--sp-blue);
  margin-bottom: 0.5rem;
}

.sp-card p {
  font-size: 0.87rem;
  color: var(--sp-muted);
  margin: 0;
}

/* ── TIMELINE ── */
.sp-timeline {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin-top: 2rem;
  position: relative;
}

.sp-timeline::before {
  content: '';
  position: absolute;
  left: 28px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, #2563EB, #38BDF8);
  border-radius: 2px;
}

.sp-step {
  display: flex;
  gap: 1.5rem;
  align-items: flex-start;
  padding: 1.25rem 0;
  position: relative;
}

.sp-step-num {
  width: 56px;
  height: 56px;
  min-width: 56px;
  background: linear-gradient(135deg, #0B4F96, #2563EB);
  color: #fff;
  font-family: 'Outfit', sans-serif;
  font-size: 0.85rem;
  font-weight: 800;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(11,79,150,0.30);
  position: relative;
  z-index: 1;
}

.sp-step h4 {
  font-family: 'Outfit', sans-serif;
  font-size: 1rem;
  font-weight: 700;
  color: var(--sp-blue);
  margin-bottom: 0.35rem;
}

.sp-step p {
  font-size: 0.9rem;
  color: var(--sp-muted);
  margin: 0;
}

/* ── BUTTONS ── */
.sp-primary-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  background: linear-gradient(135deg, #0B4F96, #2563EB);
  color: #fff;
  font-family: 'Inter', sans-serif;
  font-size: 0.95rem;
  font-weight: 700;
  padding: 0.85rem 2rem;
  border-radius: 999px;
  text-decoration: none;
  box-shadow: 0 4px 20px rgba(11,79,150,0.35);
  transition: all 0.25s ease;
}

.sp-primary-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 32px rgba(11,79,150,0.45);
  filter: brightness(1.08);
}

.sp-outline-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  background: rgba(255,255,255,0.12);
  color: #fff;
  font-size: 0.95rem;
  font-weight: 700;
  padding: 0.85rem 2rem;
  border-radius: 999px;
  border: 2px solid rgba(255,255,255,0.4);
  text-decoration: none;
  transition: all 0.25s ease;
}

.sp-outline-btn:hover {
  background: rgba(255,255,255,0.22);
  transform: translateY(-2px);
}

.sp-outline-btn-light {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  background: rgba(255,255,255,0.15);
  color: #fff;
  font-size: 0.95rem;
  font-weight: 700;
  padding: 0.85rem 2rem;
  border-radius: 999px;
  border: 2px solid rgba(255,255,255,0.5);
  text-decoration: none;
  transition: all 0.25s ease;
}

.sp-outline-btn-light:hover {
  background: rgba(255,255,255,0.25);
  transform: translateY(-2px);
}

/* ── CTA SECTION ── */
.sp-cta {
  background: linear-gradient(135deg, #0B4F96 0%, #1565c0 50%, #1976d2 100%);
  color: #fff;
  text-align: center;
  padding: 4rem 1.5rem;
  border-radius: 24px;
  margin: 2.5rem 0;
  position: relative;
  overflow: hidden;
}

.sp-cta::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, rgba(56,189,248,0.12) 0%, transparent 70%);
  pointer-events: none;
}

.sp-cta h2 {
  font-family: 'Outfit', sans-serif;
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 800;
  margin-bottom: 0.75rem;
  color: #fff;
}

.sp-cta p {
  color: rgba(255,255,255,0.82);
  font-size: 1rem;
  margin-bottom: 2rem;
  max-width: 500px;
  margin-inline: auto;
}

.sp-cta-actions {
  display: flex;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
}

/* ── FOOTER ── */
.sp-footer {
  text-align: center;
  padding: 2rem 1.5rem;
  color: var(--sp-muted);
  font-size: 0.85rem;
  border-top: 1px solid rgba(11,79,150,0.1);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
  max-width: 1200px;
  margin-inline: auto;
}

.sp-footer a {
  color: var(--sp-royal);
  text-decoration: none;
  font-weight: 600;
  transition: opacity 0.2s;
}

.sp-footer a:hover { opacity: 0.7; }

/* ── RESPONSIVE ── */
@media (max-width: 640px) {
  .sp-hero { padding: 3.5rem 1rem 3rem; }
  .sp-section { padding: 3rem 0; }
  .sp-nav-links .sp-nav-link { display: none; }
  .sp-timeline::before { left: 22px; }
  .sp-step-num { width: 44px; height: 44px; min-width: 44px; font-size: 0.75rem; }
}