/* ============================================
   AQUAMARINA MEDICAL BILLING - Premium Styles
   ============================================ */

/* Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400;0,600;0,700;1,400;1,600&family=Montserrat:wght@300;400;500;600;700&display=swap');

/* CSS Variables */
:root {
  --navy: #0B2C5D;
  --navy-dark: #08244A;
  --navy-light: #1a3f6b;
  --teal: #1387A8;
  --teal-btn: #0E8CAB;
  --teal-hover: #0A6F88;
  --bg: #ffffff;
  --bg-alt: #f8fafc;
  --bg-dark: #0B2C5D;
  --text: #1F2E45;
  --text-secondary: #334155;
  --text-light: #64748b;
  --text-white: #ffffff;
  --border: #e2e8f0;
  --shadow: 0 4px 24px rgba(11,44,93,0.08);
  --shadow-lg: 0 12px 48px rgba(11,44,93,0.12);
  --radius: 12px;
  --radius-sm: 8px;
  --font-heading: 'Playfair Display', Georgia, serif;
  --font-body: 'Montserrat', -apple-system, BlinkMacSystemFont, sans-serif;
  --max-w: 1200px;
  --transition: 0.3s ease;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  color: var(--text);
  background: var(--bg);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5 {
  font-family: var(--font-heading);
  color: var(--navy);
  line-height: 1.25;
  font-weight: 700;
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.4rem, 2.5vw, 1.8rem); }

p { font-size: 1.05rem; color: var(--text-secondary); line-height: 1.8; }

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

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

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

/* ============================================
   NAVIGATION
   ============================================ */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  padding: 0 24px;
}

.nav__inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 32px;
}

.nav__logo {
  height: 52px;
  width: auto;
  flex-shrink: 0;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 36px;
  list-style: none;
}

.nav__links a {
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--navy);
  text-decoration: none;
  padding: 8px 0;
  position: relative;
  transition: var(--transition);
}

.nav__links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--teal);
  transform: scaleX(0);
  transition: var(--transition);
}

.nav__links a:hover::after,
.nav__links a.active::after { transform: scaleX(1); }

.nav__links a.active { color: var(--teal); }

.nav__cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--teal-btn);
  color: white !important;
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  font-weight: 600 !important;
  font-size: 0.9rem !important;
}

.nav__cta::after { display: none !important; }
.nav__cta:hover { background: var(--teal-hover) !important; color: white !important; }

/* Mobile nav toggle */
.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.nav__toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--navy);
  transition: var(--transition);
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  cursor: pointer;
  border: none;
  transition: var(--transition);
  white-space: nowrap;
}

.btn--primary {
  background: var(--teal-btn);
  color: white;
}

.btn--primary:hover {
  background: var(--teal-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(14,140,171,0.3);
  color: white;
}

.btn--outline {
  background: transparent;
  color: var(--navy);
  border: 2px solid var(--navy);
}

.btn--outline:hover {
  background: var(--navy);
  color: white;
}

.btn--large { padding: 18px 40px; font-size: 1.05rem; }

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
  background: linear-gradient(135deg, #e8f4f8 0%, #f0f7fa 50%, #e3f0f5 100%);
  padding: 80px 0 100px;
  overflow: hidden;
}

.hero__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.hero__content { max-width: 580px; }

.hero__label {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 20px;
}

.hero__title {
  font-size: clamp(2.8rem, 4.5vw, 4.2rem);
  color: var(--navy);
  margin-bottom: 8px;
  line-height: 1.1;
}

.hero__subtitle {
  font-family: var(--font-heading);
  font-style: italic;
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  color: var(--teal);
  margin-bottom: 28px;
  font-weight: 400;
}

.hero__desc {
  font-size: 1.15rem;
  color: var(--text);
  margin-bottom: 36px;
  line-height: 1.8;
}

.hero__actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}

.hero__phone {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-body);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--navy);
}

.hero__phone svg { color: var(--teal); flex-shrink: 0; }

.hero__image {
  position: relative;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.hero__image img {
  width: 100%;
  height: 480px;
  object-fit: cover;
  display: block;
}

.hero__image-badge {
  position: absolute;
  bottom: 24px;
  left: 24px;
  background: white;
  padding: 16px 20px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.hero__image-badge strong {
  display: block;
  font-family: var(--font-heading);
  font-size: 1.5rem;
  color: var(--navy);
}

.hero__image-badge span {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

/* ============================================
   SECTION STYLES
   ============================================ */
.section { padding: 100px 0; }
.section--alt { background: var(--bg-alt); }
.section--navy { background: var(--navy); color: white; }
.section--navy h2, .section--navy h3 { color: white; }
.section--navy p { color: rgba(255,255,255,0.8); }

.section__header { text-align: center; max-width: 720px; margin: 0 auto 64px; }
.section__header h2 { margin-bottom: 16px; }
.section__header p { font-size: 1.15rem; }

/* ============================================
   FEATURE BOXES (Homepage)
   ============================================ */
.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.feature-card {
  background: white;
  border-radius: var(--radius);
  padding: 32px 28px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  transition: var(--transition);
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.feature-card__icon {
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, #e3f5fb, #d0eef5);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  color: var(--teal);
}

.feature-card__title {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 12px;
}

.feature-card__text {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ============================================
   TRUST STATS SECTION
   ============================================ */
.trust-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-bottom: 60px;
}

.trust-card {
  text-align: center;
  padding: 40px 24px;
  background: white;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.trust-card__number {
  font-family: var(--font-heading);
  font-size: 3.5rem;
  font-weight: 700;
  color: var(--navy);
  line-height: 1;
  margin-bottom: 8px;
}

.trust-card__label {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--teal);
  margin-bottom: 12px;
}

.trust-card__text {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ============================================
   SPLIT CONTENT SECTION
   ============================================ */
.split-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.split-grid--reverse { direction: rtl; }
.split-grid--reverse > * { direction: ltr; }

.split__image {
  border-radius: 20px;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.split__image img {
  width: 100%;
  height: 480px;
  object-fit: cover;
}

.split__label {
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 16px;
}

.split__title { margin-bottom: 24px; }

.split__text {
  font-size: 1.05rem;
  color: var(--text-secondary);
  margin-bottom: 16px;
  line-height: 1.9;
}

.split__list {
  list-style: none;
  margin: 24px 0 32px;
}

.split__list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 14px;
  font-size: 1rem;
  color: var(--text-secondary);
}

.split__list li svg { color: var(--teal); flex-shrink: 0; margin-top: 3px; }

/* ============================================
   SERVICES GRID
   ============================================ */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.service-card {
  background: white;
  border-radius: var(--radius);
  padding: 36px 28px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  transition: var(--transition);
}

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

.service-card__icon {
  width: 52px;
  height: 52px;
  background: linear-gradient(135deg, var(--teal-btn), var(--teal));
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  color: white;
}

.service-card__title {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  color: var(--navy);
  margin-bottom: 12px;
}

.service-card__text {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.75;
}

/* ============================================
   TESTIMONIALS
   ============================================ */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.testimonial-card {
  background: white;
  border-radius: var(--radius);
  padding: 36px;
  box-shadow: var(--shadow);
  position: relative;
}

.testimonial-card::before {
  content: '"';
  font-family: var(--font-heading);
  font-size: 6rem;
  color: var(--teal);
  opacity: 0.15;
  position: absolute;
  top: 8px;
  left: 24px;
  line-height: 1;
}

.testimonial-card__stars {
  display: flex;
  gap: 4px;
  color: #f59e0b;
  margin-bottom: 16px;
}

.testimonial-card__text {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 24px;
  font-style: italic;
}

.testimonial-card__author { display: flex; align-items: center; gap: 12px; }

.testimonial-card__avatar {
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, var(--teal-btn), var(--teal));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 700;
  font-size: 1rem;
}

.testimonial-card__name { font-weight: 600; color: var(--navy); font-size: 0.95rem; }
.testimonial-card__role { font-size: 0.85rem; color: var(--text-light); }

/* ============================================
   CTA SECTION
   ============================================ */
.cta-section {
  background: linear-gradient(135deg, var(--navy) 0%, #0d3a6e 100%);
  padding: 80px 0;
  text-align: center;
  color: white;
}

.cta-section h2 {
  color: white;
  margin-bottom: 16px;
}

.cta-section p {
  color: rgba(255,255,255,0.8);
  font-size: 1.15rem;
  max-width: 600px;
  margin: 0 auto 36px;
}

.cta-phone {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-heading);
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  font-weight: 700;
  color: white;
  margin-bottom: 24px;
  transition: var(--transition);
}

.cta-phone:hover { color: var(--teal); }

.cta-phone svg { color: var(--teal); }

/* ============================================
   CONTACT SECTION
   ============================================ */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}

.contact-info__item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 32px;
}

.contact-info__item-icon {
  width: 52px;
  height: 52px;
  background: linear-gradient(135deg, #e3f5fb, #d0eef5);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--teal);
}

.contact-info__item-label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-light);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 4px;
}

.contact-info__item-value {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--navy);
}

.contact-info__item-value a { color: var(--navy); }
.contact-info__item-value a:hover { color: var(--teal); }

.contact-map {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  background: var(--bg-alt);
  padding: 36px;
  border: 1px solid var(--border);
}

.contact-map h3 { margin-bottom: 20px; }

/* ============================================
   PAGE HERO (Inner pages)
   ============================================ */
.page-hero {
  background: linear-gradient(135deg, var(--navy) 0%, #0d3a6e 100%);
  padding: 80px 0;
  text-align: center;
  color: white;
}

.page-hero h1 {
  color: white;
  margin-bottom: 12px;
}

.page-hero p {
  color: rgba(255,255,255,0.8);
  font-size: 1.2rem;
}

/* ============================================
   FOOTER
   ============================================ */
.site-footer {
  background: var(--navy-dark);
  color: white;
  padding: 80px 0 0;
}

.footer__grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 60px;
}

.footer__brand-logo { height: 56px; margin-bottom: 20px; }

.footer__tagline {
  font-family: var(--font-heading);
  font-style: italic;
  font-size: 1.05rem;
  color: rgba(255,255,255,0.7);
  line-height: 1.7;
  margin-bottom: 20px;
}

.footer__phone {
  display: flex;
  align-items: center;
  gap: 8px;
  color: white;
  font-weight: 600;
  font-size: 1rem;
  margin-bottom: 8px;
}

.footer__phone:hover { color: var(--teal); }

.footer__email {
  color: rgba(255,255,255,0.7);
  font-size: 0.95rem;
}

.footer__col h4 {
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: rgba(255,255,255,0.5);
  margin-bottom: 20px;
}

.footer__links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer__links a {
  color: rgba(255,255,255,0.75);
  font-size: 0.95rem;
  transition: var(--transition);
}

.footer__links a:hover { color: white; }

.footer__bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: 24px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.footer__copy {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.5);
}

.footer__tagline-bar {
  background: var(--navy);
  padding: 18px 0;
  text-align: center;
}

.footer__tagline-bar p {
  font-family: var(--font-heading);
  font-style: italic;
  font-size: 1.05rem;
  color: white;
}

/* ============================================
   MOBILE STICKY CTA
   ============================================ */
.mobile-cta {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 999;
  background: var(--teal-btn);
  padding: 14px 20px;
  text-align: center;
  box-shadow: 0 -4px 20px rgba(0,0,0,0.15);
}

.mobile-cta a {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  color: white;
  font-weight: 700;
  font-size: 1.1rem;
  text-decoration: none;
}

/* ============================================
   CERTIFICATION BADGES
   ============================================ */
.cert-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  margin-top: 48px;
}

.cert-card {
  background: white;
  border-radius: var(--radius);
  padding: 36px;
  box-shadow: var(--shadow);
  border-left: 4px solid var(--teal);
}

.cert-card h3 {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  color: var(--navy);
  margin-bottom: 16px;
}

.cert-card p {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.8;
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .testimonials-grid { grid-template-columns: repeat(2, 1fr); }
  .footer__grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .hero__grid { grid-template-columns: 1fr; gap: 40px; }
  .hero__image { order: -1; }
  .hero__image img { height: 300px; }
  .split-grid { grid-template-columns: 1fr; gap: 40px; }
  .features-grid { grid-template-columns: 1fr; }
  .services-grid { grid-template-columns: 1fr; }
  .testimonials-grid { grid-template-columns: 1fr; }
  .trust-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .cert-grid { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr; }
  .footer__bottom { flex-direction: column; text-align: center; }
  .section { padding: 60px 0; }
  
  .nav__links {
    display: none;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: white;
    flex-direction: column;
    padding: 24px;
    gap: 20px;
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow);
  }
  
  .nav__links.open { display: flex; }
  .nav__toggle { display: flex; }
  .nav__cta { display: none; }
  
  .mobile-cta { display: block; }
  body { padding-bottom: 72px; }
}