/* ============================================================
   MACH I Website — Complete Stylesheet
   ============================================================ */

/* ============================================================
   1. CSS RESET & NORMALIZE
   ============================================================ */

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  padding: 0;
}

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

button {
  cursor: pointer;
}

a {
  transition: color 0.2s ease;
}

/* ============================================================
   2. CSS CUSTOM PROPERTIES
   ============================================================ */

:root {
  /* Colors — Primary */
  --color-navy: #0A1628;
  --color-deep-blue: #1B3A5C;
  --color-steel-blue: #2E6B9E;
  --color-sky-blue: #4A9FD9;

  /* Colors — Accent */
  --color-gold: #C8A951;
  --color-gold-hover: #D4B96A;

  /* Colors — Neutral */
  --color-white: #FFFFFF;
  --color-off-white: #F5F7FA;
  --color-light-gray: #E8ECF1;
  --color-medium-gray: #6B7B8D;
  --color-dark-gray: #3A4553;

  /* Colors — Semantic */
  --color-success: #2D8F5E;
  --color-error: #C43B3B;

  /* Typography */
  --font-heading: 'Playfair Display', Georgia, serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

  /* Type Scale */
  --text-xs: 0.75rem;    /* 12px */
  --text-sm: 0.875rem;   /* 14px */
  --text-base: 1rem;     /* 16px */
  --text-lg: 1.125rem;   /* 18px */
  --text-xl: 1.25rem;    /* 20px */
  --text-2xl: 1.5rem;    /* 24px */
  --text-3xl: 1.875rem;  /* 30px */
  --text-4xl: 2.25rem;   /* 36px */
  --text-5xl: 3rem;      /* 48px */
  --text-6xl: 3.75rem;   /* 60px */

  /* Line Heights */
  --leading-tight: 1.2;
  --leading-normal: 1.6;
  --leading-relaxed: 1.8;

  /* Spacing Scale */
  --space-1: 0.25rem;   /* 4px */
  --space-2: 0.5rem;    /* 8px */
  --space-3: 0.75rem;   /* 12px */
  --space-4: 1rem;      /* 16px */
  --space-5: 1.25rem;   /* 20px */
  --space-6: 1.5rem;    /* 24px */
  --space-8: 2rem;      /* 32px */
  --space-10: 2.5rem;   /* 40px */
  --space-12: 3rem;     /* 48px */
  --space-16: 4rem;     /* 64px */
  --space-20: 5rem;     /* 80px */
  --space-24: 6rem;     /* 96px */

  /* Layout */
  --container-max: 1200px;
  --container-padding: var(--space-6);

  /* Border Radius */
  --border-radius-sm: 4px;
  --border-radius-md: 8px;
  --border-radius-lg: 12px;
  --border-radius-xl: 16px;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(10, 22, 40, 0.08);
  --shadow-md: 0 4px 12px rgba(10, 22, 40, 0.12);
  --shadow-lg: 0 8px 30px rgba(10, 22, 40, 0.16);
  --shadow-xl: 0 12px 40px rgba(10, 22, 40, 0.20);
}

/* ============================================================
   3. BASE TYPOGRAPHY
   ============================================================ */

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  color: var(--color-dark-gray);
  background-color: var(--color-white);
}

h1, h2 {
  font-family: var(--font-heading);
  line-height: var(--leading-tight);
  color: var(--color-navy);
}

h3, h4, h5, h6 {
  font-family: var(--font-body);
  font-weight: 600;
  line-height: var(--leading-tight);
  color: var(--color-navy);
}

h1 {
  font-weight: 700;
}

h2 {
  font-weight: 700;
}

h3 {
  font-size: var(--text-2xl);
}

h4 {
  font-size: var(--text-lg);
}

h5 {
  font-size: var(--text-base);
}

h6 {
  font-size: var(--text-sm);
}

p {
  margin-bottom: var(--space-4);
}

p:last-child {
  margin-bottom: 0;
}

a {
  color: var(--color-steel-blue);
  text-decoration: none;
}

a:hover {
  color: var(--color-sky-blue);
  text-decoration: underline;
}

a:focus {
  outline: 2px solid var(--color-sky-blue);
  outline-offset: 2px;
}

strong, b {
  font-weight: 600;
}

/* ============================================================
   4. LAYOUT UTILITIES
   ============================================================ */

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

section {
  padding: var(--space-20) 0;
}

@media (max-width: 767px) {
  section {
    padding: var(--space-12) 0;
  }
}

/* Utility: hidden (for honeypot fields, etc.) */
.hidden {
  display: none !important;
}

/* ============================================================
   5. HEADER & NAVIGATION
   ============================================================ */

/* Logo Banner — full-color logo strip above the nav */
.logo-banner {
  background: #ffffff;
  padding: 1rem 0;
  text-align: center;
  border-bottom: 1px solid #e5e5e5;
}

.logo-banner a {
  display: inline-block;
  line-height: 0;
}

.logo-banner-img {
  height: 70px;
  width: auto;
  display: inline-block;
}

.site-header {
  background-color: var(--color-navy);
  height: 80px;
  position: sticky;
  top: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  transition: box-shadow 0.2s ease;
}

.site-header.header-scrolled {
  box-shadow: var(--shadow-md);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-8);
}

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

.logo:hover {
  text-decoration: none;
  opacity: 0.9;
}

.logo-img {
  display: block;
  height: 45px;
  width: auto;
  /* White silhouette treatment for navy header background */
  filter: brightness(0) invert(1);
}

/* Legacy text logo styles (kept for fallback) */
.logo-mark {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: var(--text-2xl);
  color: var(--color-white);
  letter-spacing: 0.15em;
  line-height: 1;
}

.logo-tagline {
  font-size: var(--text-xs);
  color: var(--color-medium-gray);
  display: block;
  line-height: 1.3;
  white-space: nowrap;
}

/* Main Navigation */
.main-nav {
  display: flex;
  align-items: center;
  gap: var(--space-8);
  margin-left: auto;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: var(--space-6);
  margin: 0;
  padding: 0;
}

.nav-links a {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-white);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  transition: color 0.2s ease, border-bottom 0.2s ease;
  position: relative;
  padding-bottom: 2px;
  text-decoration: none;
  white-space: nowrap;
}

.nav-links a:hover,
.nav-links a[aria-current="page"] {
  color: var(--color-gold);
  border-bottom: 2px solid var(--color-gold);
  text-decoration: none;
}

.nav-cta {
  white-space: nowrap;
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  background: none;
  border: none;
  gap: 6px;
  cursor: pointer;
  z-index: 1001;
  padding: var(--space-2);
}

.hamburger-line {
  width: 24px;
  height: 2px;
  background-color: var(--color-white);
  transition: all 0.3s ease;
  display: block;
}

.mobile-menu-toggle.active .hamburger-line:nth-child(1) {
  transform: rotate(45deg) translate(6px, 6px);
}

.mobile-menu-toggle.active .hamburger-line:nth-child(2) {
  opacity: 0;
}

.mobile-menu-toggle.active .hamburger-line:nth-child(3) {
  transform: rotate(-45deg) translate(6px, -6px);
}

/* Responsive Navigation */
@media (max-width: 767px) {
  .logo-banner-img {
    height: 50px;
  }
}

@media (max-width: 1023px) {
  .mobile-menu-toggle {
    display: flex;
  }

  .main-nav {
    position: fixed;
    top: 0;
    right: 0;
    width: 280px;
    height: 100vh;
    background-color: var(--color-navy);
    padding: var(--space-16) var(--space-8);
    flex-direction: column;
    gap: var(--space-6);
    transform: translateX(100%);
    transition: transform 0.3s ease;
    z-index: 1000;
    box-shadow: var(--shadow-lg);
  }

  .main-nav.mobile-nav-open {
    transform: translateX(0);
  }

  .nav-links {
    flex-direction: column;
    gap: var(--space-6);
  }

  .nav-links a {
    font-size: var(--text-lg);
    padding: var(--space-3) 0;
  }

  .nav-cta {
    width: 100%;
    text-align: center;
  }
}

/* Mobile nav overlay */
body.nav-open {
  overflow: hidden;
}

body.nav-open::before {
  content: '';
  position: fixed;
  inset: 0;
  background-color: rgba(10, 22, 40, 0.5);
  z-index: 999;
  backdrop-filter: blur(0);
}

/* ============================================================
   6. BUTTONS
   ============================================================ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-body);
  text-decoration: none;
  border: none;
  border-radius: var(--border-radius-md);
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease, transform 0.2s ease,
              box-shadow 0.2s ease, border-color 0.2s ease;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.btn:hover {
  text-decoration: none;
}

.btn:focus {
  outline: 2px solid var(--color-sky-blue);
  outline-offset: 2px;
}

/* Primary Button */
.btn-primary {
  padding: var(--space-3) var(--space-6);
  background-color: var(--color-sky-blue);
  color: var(--color-white);
  font-size: var(--text-sm);
}

.btn-primary:hover {
  background-color: var(--color-steel-blue);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
  color: var(--color-white);
}

.btn-primary:active {
  transform: translateY(0);
}

/* Secondary Button */
.btn-secondary {
  padding: var(--space-3) var(--space-6);
  background-color: transparent;
  color: var(--color-sky-blue);
  font-size: var(--text-sm);
  border: 2px solid var(--color-sky-blue);
}

.btn-secondary:hover {
  background-color: var(--color-sky-blue);
  color: var(--color-white);
}

.btn-secondary:active {
  transform: translateY(0);
}

/* White Outline Button (for dark backgrounds) */
.btn-outline-white {
  padding: var(--space-3) var(--space-6);
  background-color: transparent;
  color: var(--color-white);
  font-size: var(--text-sm);
  border: 2px solid rgba(255, 255, 255, 0.5);
}

.btn-outline-white:hover {
  background-color: rgba(255, 255, 255, 0.1);
  border-color: var(--color-white);
  color: var(--color-white);
}

/* Gold Button */
.btn-gold {
  padding: var(--space-3) var(--space-6);
  background-color: var(--color-gold);
  color: var(--color-navy);
  font-size: var(--text-sm);
  border: none;
}

.btn-gold:hover {
  background-color: var(--color-gold-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
  color: var(--color-navy);
}

.btn-gold:active {
  transform: translateY(0);
}

/* Large Button */
.btn-lg {
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-base);
}

/* Button Size Modifiers */
.btn-sm {
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-xs);
}

/* ============================================================
   7. SECTION COMPONENTS
   ============================================================ */

/* Section Header */
.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto var(--space-12);
}

.section-label {
  font-size: var(--text-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-gold);
  display: block;
  margin-bottom: var(--space-3);
}

.section-title {
  font-size: var(--text-3xl);
  margin-bottom: var(--space-4);
}

@media (min-width: 1024px) {
  .section-title {
    font-size: var(--text-4xl);
  }
}

.section-subtitle {
  font-size: var(--text-lg);
  color: var(--color-medium-gray);
  line-height: var(--leading-relaxed);
}

/* ============================================================
   8. CARDS
   ============================================================ */

/* Service Card */
.service-card {
  background-color: var(--color-white);
  border-radius: var(--border-radius-lg);
  padding: var(--space-8);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-light-gray);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

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

.service-card-icon {
  width: 56px;
  height: 56px;
  background-color: var(--color-off-white);
  border-radius: var(--border-radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-4);
  font-size: 28px;
  font-weight: 700;
  color: var(--color-navy);
}

.service-card-title {
  font-size: var(--text-xl);
  margin-bottom: var(--space-2);
}

.service-card-desc {
  font-size: var(--text-sm);
  color: var(--color-medium-gray);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-4);
}

.service-card-price {
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--color-navy);
  margin-bottom: var(--space-4);
}

/* Team Card */
.team-card {
  background-color: var(--color-white);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  display: flex;
  flex-direction: column;
}

@media (min-width: 1024px) {
  .team-card {
    flex-direction: row;
  }
}

.team-card-photo {
  width: 100%;
  aspect-ratio: 1;
  overflow: hidden;
  flex-shrink: 0;
}

@media (min-width: 1024px) {
  .team-card-photo {
    width: 280px;
    min-width: 280px;
  }
}

.photo-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-4xl);
  color: var(--color-white);
  font-family: var(--font-heading);
  font-weight: 700;
}

.team-card-info {
  padding: var(--space-8);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.team-card-info h3 {
  font-size: var(--text-xl);
  margin-bottom: var(--space-2);
}

.team-card-role {
  font-size: var(--text-sm);
  color: var(--color-steel-blue);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: var(--space-4);
}

.team-card-bio {
  font-size: var(--text-sm);
  color: var(--color-medium-gray);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-4);
}

.team-card-credentials {
  list-style: none;
  padding: 0;
  margin: 0;
}

.team-card-credentials li {
  font-size: var(--text-sm);
  color: var(--color-medium-gray);
  padding: var(--space-1) 0 var(--space-1) var(--space-5);
  position: relative;
}

.team-card-credentials li::before {
  content: '\2713';
  position: absolute;
  left: 0;
  color: var(--color-gold);
  font-weight: 700;
}

/* Credential Card */
.credential-card {
  background-color: var(--color-off-white);
  border-radius: var(--border-radius-md);
  padding: var(--space-6);
  margin-bottom: var(--space-4);
  border-left: 4px solid var(--color-gold);
}

.credential-card h4 {
  font-size: var(--text-lg);
  margin-bottom: var(--space-2);
  color: var(--color-navy);
}

.credential-card p {
  font-size: var(--text-sm);
  color: var(--color-medium-gray);
  margin-bottom: 0;
}

.credential-icon {
  font-size: 32px;
  margin-bottom: var(--space-3);
}

/* Service Detail Card */
.service-detail-card {
  background-color: var(--color-white);
  border-radius: var(--border-radius-lg);
  border: 1px solid var(--color-light-gray);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.service-detail-card--featured {
  border: 2px solid var(--color-gold);
}

.service-detail-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-6) var(--space-8);
  border-bottom: 1px solid var(--color-light-gray);
  flex-wrap: wrap;
  gap: var(--space-4);
}

.service-detail-header h3 {
  font-size: var(--text-xl);
  color: var(--color-navy);
  margin-bottom: 0;
}

.service-detail-price {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.price-amount {
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--color-navy);
}

.price-badge {
  background-color: var(--color-gold);
  color: var(--color-navy);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--border-radius-sm);
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
}

.service-detail-body {
  padding: var(--space-6) var(--space-8);
}

.service-detail-desc {
  font-size: var(--text-sm);
  color: var(--color-medium-gray);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-4);
}

.service-detail-includes {
  list-style: none;
  padding: 0;
  margin: 0;
}

.service-detail-includes li {
  font-size: var(--text-sm);
  color: var(--color-medium-gray);
  padding: var(--space-2) 0 var(--space-2) var(--space-5);
  position: relative;
}

.service-detail-includes li::before {
  content: '\2713';
  position: absolute;
  left: 0;
  color: var(--color-gold);
  font-weight: 700;
}

.service-detail-footer {
  padding: var(--space-4) var(--space-8) var(--space-6);
  border-top: 1px solid var(--color-light-gray);
}

/* ============================================================
   9. HERO SECTION
   ============================================================ */

.hero {
  background: linear-gradient(135deg, var(--color-navy) 0%, var(--color-deep-blue) 50%, #1a4a7a 100%);
  min-height: 85vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding: var(--space-20) 0;
}

.hero--with-bg {
  background-image:
    linear-gradient(135deg, rgba(10, 22, 40, 0.82) 0%, rgba(27, 58, 92, 0.78) 50%, rgba(26, 74, 122, 0.75) 100%),
    url('../img/hero-cockpit-pilot.jpg');
  background-size: cover;
  background-position: center 30%;
  background-repeat: no-repeat;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(
      0deg,
      transparent,
      transparent 35px,
      rgba(255, 255, 255, 0.03) 35px,
      rgba(255, 255, 255, 0.03) 70px
    ),
    repeating-linear-gradient(
      90deg,
      transparent,
      transparent 35px,
      rgba(255, 255, 255, 0.03) 35px,
      rgba(255, 255, 255, 0.03) 70px
    );
  pointer-events: none;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  opacity: 0;
}

.hero-content {
  position: relative;
  z-index: 1;
  color: var(--color-white);
}

.hero-label {
  font-size: var(--text-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-gold);
  display: block;
  margin-bottom: var(--space-4);
}

.hero-title {
  font-family: var(--font-heading);
  font-size: var(--text-4xl);
  color: var(--color-white);
  margin-bottom: var(--space-6);
  max-width: 800px;
  line-height: var(--leading-tight);
}

@media (min-width: 1024px) {
  .hero-title {
    font-size: var(--text-5xl);
  }
}

.hero-subtitle {
  font-size: var(--text-lg);
  color: rgba(255, 255, 255, 0.8);
  max-width: 600px;
  margin-bottom: var(--space-8);
  line-height: var(--leading-relaxed);
}

.hero-actions {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
  align-items: center;
}

/* ============================================================
   10. TRUST BAR
   ============================================================ */

.trust-bar {
  background-color: var(--color-white);
  border-bottom: 1px solid var(--color-light-gray);
  padding: var(--space-8) 0;
}

.trust-items {
  display: flex;
  justify-content: center;
  gap: var(--space-12);
  flex-wrap: wrap;
}

.trust-item {
  text-align: center;
  min-width: 150px;
}

.trust-number {
  font-family: var(--font-heading);
  font-size: var(--text-3xl);
  font-weight: 700;
  color: var(--color-gold);
  display: block;
  line-height: 1;
}

.trust-label {
  font-size: var(--text-sm);
  color: var(--color-medium-gray);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  display: block;
  margin-top: var(--space-2);
}

/* ============================================================
   11. PAGE HERO
   ============================================================ */

.page-hero {
  background-color: var(--color-navy);
  padding: var(--space-24) 0 var(--space-16);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-hero--about {
  background-image:
    linear-gradient(180deg, rgba(10, 22, 40, 0.88) 0%, rgba(10, 22, 40, 0.80) 100%),
    url('../img/military-cockpit.jpg');
  background-size: cover;
  background-position: center 25%;
  background-repeat: no-repeat;
}

.page-hero--services {
  background-image:
    linear-gradient(180deg, rgba(10, 22, 40, 0.85) 0%, rgba(10, 22, 40, 0.80) 100%),
    url('../img/aviation-instruments.jpg');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.page-hero--special-issuance {
  background-image:
    linear-gradient(180deg, rgba(10, 22, 40, 0.85) 0%, rgba(10, 22, 40, 0.80) 100%),
    url('../img/above-clouds.jpg');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.page-hero--contact {
  background-image:
    linear-gradient(180deg, rgba(10, 22, 40, 0.88) 0%, rgba(10, 22, 40, 0.80) 100%),
    url('../img/dayton-aviation.jpg');
  background-size: cover;
  background-position: center 40%;
  background-repeat: no-repeat;
}

.page-hero--publications {
  background-image:
    linear-gradient(180deg, rgba(10, 22, 40, 0.88) 0%, rgba(10, 22, 40, 0.80) 100%),
    url('../img/medical-stethoscope.jpg');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(
      0deg,
      transparent,
      transparent 35px,
      rgba(255, 255, 255, 0.02) 35px,
      rgba(255, 255, 255, 0.02) 70px
    ),
    repeating-linear-gradient(
      90deg,
      transparent,
      transparent 35px,
      rgba(255, 255, 255, 0.02) 35px,
      rgba(255, 255, 255, 0.02) 70px
    );
  pointer-events: none;
}

.page-hero .container {
  position: relative;
  z-index: 1;
}

.page-hero h1 {
  color: #FFFFFF;
  font-size: var(--text-4xl);
  max-width: 800px;
  margin: 0 auto var(--space-6);
  line-height: var(--leading-tight);
}

@media (min-width: 1024px) {
  .page-hero h1 {
    font-size: var(--text-5xl);
  }
}

.page-hero .section-label {
  margin-bottom: var(--space-4);
}

.page-hero-subtitle {
  color: rgba(255, 255, 255, 0.7);
  font-size: var(--text-lg);
  max-width: 600px;
  margin: 0 auto;
  line-height: var(--leading-relaxed);
}

/* ============================================================
   12. CTA BANNER
   ============================================================ */

.cta-banner {
  background: linear-gradient(135deg, var(--color-deep-blue), var(--color-navy));
  padding: var(--space-16) 0;
  text-align: center;
}

.cta-banner--with-bg {
  background-image:
    linear-gradient(135deg, rgba(27, 58, 92, 0.90), rgba(10, 22, 40, 0.92)),
    url('../img/hero-sky-clouds.jpg');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.cta-banner-content {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.cta-banner h2 {
  color: var(--color-white);
  font-size: var(--text-4xl);
  margin-bottom: var(--space-4);
}

.cta-banner p {
  color: rgba(255, 255, 255, 0.8);
  font-size: var(--text-lg);
  margin-bottom: var(--space-8);
  max-width: 600px;
}

.cta-banner-actions {
  display: flex;
  justify-content: center;
  gap: var(--space-4);
  flex-wrap: wrap;
}

/* ============================================================
   13. FEATURED SERVICES SECTION
   ============================================================ */

.featured-services {
  background-color: var(--color-off-white);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
  margin-bottom: var(--space-12);
}

@media (max-width: 1023px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 767px) {
  .services-grid {
    grid-template-columns: 1fr;
  }
}

.section-cta {
  text-align: center;
  margin-top: var(--space-10);
}

/* ============================================================
   14. PROBLEM/SOLUTION SECTION
   ============================================================ */

.problem-solution {
  background: linear-gradient(180deg, var(--color-navy) 0%, var(--color-deep-blue) 100%);
}

.problem-solution-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
  margin: var(--space-10) 0;
}

@media (max-width: 767px) {
  .problem-solution-grid {
    grid-template-columns: 1fr;
  }
}

.ps-card {
  background-color: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--border-radius-lg);
  padding: var(--space-8);
  text-align: center;
  transition: background-color 0.2s ease, border-color 0.2s ease;
}

.ps-card:hover {
  background-color: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
}

.ps-card h3 {
  color: var(--color-gold);
  font-size: var(--text-xl);
  margin-bottom: var(--space-3);
}

.ps-card p {
  color: rgba(255, 255, 255, 0.7);
  font-size: var(--text-sm);
  margin-bottom: 0;
  line-height: var(--leading-relaxed);
}

/* ============================================================
   15. CREDIBILITY BLOCK
   ============================================================ */

.credibility-section {
  /* background controlled by utility classes (bg-navy, bg-off-white, etc.) */
}

.credibility-block {
  background-color: var(--color-white);
  border: 1px solid var(--color-light-gray);
  border-radius: var(--border-radius-lg);
  padding: var(--space-10);
  box-shadow: var(--shadow-sm);
}

.cred-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4) var(--space-8);
}

@media (max-width: 767px) {
  .cred-grid {
    grid-template-columns: 1fr;
  }
}

.cred-item {
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--color-light-gray);
}

.cred-label {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-gold);
  display: block;
  margin-bottom: var(--space-1);
}

.cred-value {
  font-size: var(--text-sm);
  color: var(--color-dark-gray);
  font-weight: 500;
}

/* ============================================================
   16. MISSION SECTION
   ============================================================ */

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

.mission-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: var(--space-12);
}

@media (max-width: 767px) {
  .mission-grid {
    grid-template-columns: 1fr;
  }
}

.mission-content p {
  margin-bottom: var(--space-4);
  font-size: var(--text-lg);
  color: var(--color-dark-gray);
}

.value-item {
  padding: var(--space-5) 0;
  border-bottom: 1px solid var(--color-light-gray);
}

.value-item h4 {
  color: var(--color-navy);
  font-size: var(--text-lg);
  margin-bottom: var(--space-2);
}

.value-item p {
  font-size: var(--text-sm);
  color: var(--color-medium-gray);
  margin-bottom: 0;
}

/* ============================================================
   17. TEAM SECTION
   ============================================================ */

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

.team-cards {
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
}

/* Dr. Profile Layout — About page */
.dr-profile {
  margin-bottom: var(--space-12);
}

.dr-profile-header {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  margin-bottom: var(--space-6);
}

.dr-initials {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-size: var(--text-3xl);
  font-weight: 700;
  color: var(--color-white);
  flex-shrink: 0;
}

.dr-initials--ed {
  background: linear-gradient(135deg, var(--color-navy), var(--color-deep-blue));
}

.dr-initials--ay {
  background: linear-gradient(135deg, var(--color-steel-blue), var(--color-sky-blue));
}

.dr-name-block h2 {
  font-size: var(--text-3xl);
  margin-bottom: var(--space-1);
}

.dr-name-block .dr-title {
  font-size: var(--text-base);
  color: var(--color-steel-blue);
  font-weight: 600;
}

.dr-bio {
  font-size: var(--text-lg);
  color: var(--color-dark-gray);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-6);
}

@media (max-width: 767px) {
  .dr-profile-header {
    flex-direction: column;
    text-align: center;
  }
}

/* Structured Credentials */
.credentials-section {
  margin-top: var(--space-8);
}

.cred-category {
  margin-bottom: var(--space-6);
}

.cred-category h4 {
  font-size: var(--text-sm);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-gold);
  margin-bottom: var(--space-3);
  padding-bottom: var(--space-2);
  border-bottom: 1px solid var(--color-light-gray);
}

.cred-category ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.cred-category li {
  padding: var(--space-2) 0 var(--space-2) var(--space-5);
  position: relative;
  font-size: var(--text-sm);
  color: var(--color-dark-gray);
  margin-bottom: 0;
}

.cred-category li::before {
  content: '\25B8';
  position: absolute;
  left: 0;
  color: var(--color-steel-blue);
}

/* Dayton section */
.dayton-section {
  background-color: var(--color-off-white);
}

.dayton-section--with-bg {
  background-image:
    linear-gradient(180deg, rgba(245, 247, 250, 0.93) 0%, rgba(245, 247, 250, 0.88) 100%),
    url('../img/airplane-wing-sky.jpg');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

/* About page doctor profile image accent */
.dr-profile-accent {
  position: relative;
}

.dr-profile-accent::before {
  content: '';
  position: absolute;
  top: -20px;
  right: -20px;
  width: 200px;
  height: 200px;
  background-image: url('../img/cardiology-heart.jpg');
  background-size: cover;
  background-position: center;
  border-radius: var(--border-radius-lg);
  opacity: 0.08;
  pointer-events: none;
  z-index: 0;
}

@media (max-width: 767px) {
  .dr-profile-accent::before {
    display: none;
  }
}

/* ============================================================
   18. SERVICES PAGE
   ============================================================ */

.services-intro {
  background-color: var(--color-white);
}

.services-intro-text {
  font-size: var(--text-lg);
  color: var(--color-dark-gray);
  max-width: 800px;
  margin: 0 auto var(--space-8);
  text-align: center;
  line-height: var(--leading-relaxed);
}

.services-nav-pills {
  display: flex;
  justify-content: center;
  gap: var(--space-3);
  flex-wrap: wrap;
}

.pill {
  padding: var(--space-2) var(--space-5);
  border-radius: 999px;
  font-size: var(--text-sm);
  font-weight: 500;
  background-color: var(--color-off-white);
  color: var(--color-dark-gray);
  border: 1px solid var(--color-light-gray);
  transition: all 0.2s ease;
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
}

.pill:hover,
.pill.active {
  background-color: var(--color-sky-blue);
  color: var(--color-white);
  border-color: var(--color-sky-blue);
  text-decoration: none;
}

/* Service category sections */
.service-category {
  padding: var(--space-16) 0;
}

.service-category.bg-off-white {
  background-color: var(--color-off-white);
}

.service-category-header {
  margin-bottom: var(--space-8);
}

.service-category-header h2 {
  font-size: var(--text-3xl);
  margin-bottom: var(--space-3);
}

.service-cards-stack {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

/* What to expect callout */
.what-to-expect {
  background-color: var(--color-off-white);
  border-radius: var(--border-radius-md);
  padding: var(--space-5) var(--space-6);
  margin-top: var(--space-4);
}

.what-to-expect h4 {
  font-size: var(--text-sm);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-steel-blue);
  margin-bottom: var(--space-3);
}

.what-to-expect ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.what-to-expect li {
  padding: var(--space-1) 0 var(--space-1) var(--space-5);
  position: relative;
  font-size: var(--text-sm);
  color: var(--color-dark-gray);
  margin-bottom: var(--space-1);
}

.what-to-expect li::before {
  content: '\2192';
  position: absolute;
  left: 0;
  color: var(--color-steel-blue);
}

/* Free consultation banner */
.free-consult-banner {
  background: linear-gradient(135deg, var(--color-deep-blue) 0%, var(--color-navy) 100%);
  border-radius: var(--border-radius-lg);
  padding: var(--space-8) var(--space-10);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
  flex-wrap: wrap;
}

.free-consult-banner h3 {
  color: var(--color-white);
  font-size: var(--text-2xl);
  margin-bottom: var(--space-2);
}

.free-consult-banner p {
  color: rgba(255, 255, 255, 0.8);
  font-size: var(--text-base);
  margin-bottom: 0;
}

@media (max-width: 767px) {
  .free-consult-banner {
    padding: var(--space-6);
    text-align: center;
    justify-content: center;
  }
}

/* ============================================================
   19. FORM STYLING
   ============================================================ */

.contact-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: var(--space-10);
}

@media (max-width: 767px) {
  .contact-grid {
    grid-template-columns: 1fr;
  }
}

.contact-form-wrapper h2 {
  font-size: var(--text-3xl);
  margin-bottom: var(--space-3);
}

.contact-form-wrapper > p {
  color: var(--color-medium-gray);
  margin-bottom: var(--space-8);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}

@media (max-width: 767px) {
  .form-row {
    grid-template-columns: 1fr;
  }
}

.form-group {
  margin-bottom: var(--space-5);
}

label {
  display: block;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-navy);
  margin-bottom: var(--space-2);
}

input,
select,
textarea {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--color-light-gray);
  border-radius: var(--border-radius-md);
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-dark-gray);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  background-color: var(--color-white);
}

input:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: var(--color-sky-blue);
  box-shadow: 0 0 0 3px rgba(74, 159, 217, 0.15);
}

input:disabled,
select:disabled,
textarea:disabled {
  background-color: var(--color-off-white);
  cursor: not-allowed;
}

textarea {
  resize: vertical;
  min-height: 120px;
}

.form-error {
  display: none;
  font-size: var(--text-xs);
  color: var(--color-error);
  margin-top: var(--space-1);
}

.form-group.error input,
.form-group.error select,
.form-group.error textarea {
  border-color: var(--color-error);
}

.form-group.error .form-error {
  display: block;
}

.form-success {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4);
  background-color: rgba(45, 143, 94, 0.1);
  color: var(--color-success);
  border: 1px solid var(--color-success);
  border-radius: var(--border-radius-md);
  margin-bottom: var(--space-4);
}

/* Radio group styling */
.radio-group {
  display: flex;
  gap: var(--space-6);
  margin-top: var(--space-2);
}

.radio-group label {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-weight: 400;
  cursor: pointer;
}

.radio-group input[type="radio"] {
  width: auto;
  margin: 0;
}

/* ============================================================
   20. CONTACT INFO SIDEBAR
   ============================================================ */

.contact-info-card {
  background-color: var(--color-off-white);
  border-radius: var(--border-radius-lg);
  padding: var(--space-8);
  margin-bottom: var(--space-6);
}

.contact-info-card h3 {
  font-size: var(--text-xl);
  color: var(--color-navy);
  margin-bottom: var(--space-6);
}

.contact-info-item {
  margin-bottom: var(--space-5);
}

.contact-info-item:last-child {
  margin-bottom: 0;
}

.contact-info-item h4 {
  font-size: var(--text-sm);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-medium-gray);
  margin-bottom: var(--space-1);
}

.contact-info-item p {
  font-size: var(--text-base);
  color: var(--color-dark-gray);
  margin-bottom: 0;
}

.contact-info-item a {
  color: var(--color-steel-blue);
}

.contact-info-item a:hover {
  color: var(--color-sky-blue);
  text-decoration: underline;
}

.contact-info-card--highlight {
  background-color: var(--color-navy);
  color: var(--color-white);
}

.contact-info-card--highlight h3 {
  color: var(--color-white);
}

.contact-info-card--highlight p {
  color: rgba(255, 255, 255, 0.8);
}

.contact-info-card--highlight .contact-info-item h4 {
  color: var(--color-gold);
}

.contact-phone-number {
  font-family: var(--font-heading);
  font-size: var(--text-3xl);
  font-weight: 700;
  display: block;
  margin-top: var(--space-2);
}

.contact-info-card--highlight a {
  color: var(--color-white);
}

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

/* Travel info card */
.travel-info {
  background-color: var(--color-off-white);
  border-radius: var(--border-radius-lg);
  padding: var(--space-6);
  margin-top: var(--space-6);
}

.travel-info h4 {
  font-size: var(--text-base);
  color: var(--color-navy);
  margin-bottom: var(--space-3);
}

.travel-info p {
  font-size: var(--text-sm);
  color: var(--color-medium-gray);
  margin-bottom: var(--space-2);
}

/* ============================================================
   21. FOOTER
   ============================================================ */

.site-footer {
  background-color: var(--color-navy);
  color: var(--color-white);
  padding: var(--space-16) 0 var(--space-8);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: var(--space-8);
  margin-bottom: var(--space-10);
}

@media (max-width: 1023px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 767px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }
}

.footer-logo {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: var(--text-2xl);
  color: var(--color-white);
  letter-spacing: 0.15em;
  display: block;
  margin-bottom: var(--space-3);
}

.footer-logo-link {
  display: block;
  margin-bottom: var(--space-3);
  text-decoration: none;
}

.footer-logo-img {
  display: block;
  width: 160px;
  height: auto;
  /* Invert the dark elements to white for footer readability on navy background */
  filter: brightness(0) invert(1);
  opacity: 0.9;
}

.footer-tagline {
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: var(--space-4);
}

.footer-address {
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.6);
  line-height: var(--leading-relaxed);
}

.footer-brand,
.footer-nav,
.footer-services,
.footer-contact {
  display: flex;
  flex-direction: column;
}

.footer-nav h4,
.footer-services h4,
.footer-contact h4 {
  font-size: var(--text-sm);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-gold);
  margin-bottom: var(--space-4);
}

.footer-nav ul,
.footer-services ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer-nav a,
.footer-services a,
.footer-contact a {
  color: rgba(255, 255, 255, 0.7);
  font-size: var(--text-sm);
  transition: color 0.2s ease;
}

.footer-nav a:hover,
.footer-services a:hover,
.footer-contact a:hover {
  color: var(--color-white);
  text-decoration: none;
}

.footer-contact p {
  font-size: var(--text-sm);
  margin-bottom: var(--space-2);
}

.footer-contact p:last-child {
  margin-bottom: 0;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  margin-top: var(--space-10);
  padding-top: var(--space-6);
  text-align: center;
  font-size: var(--text-sm);
  color: var(--color-medium-gray);
}

/* ============================================================
   22. BACKGROUND UTILITIES
   ============================================================ */

.bg-white { background-color: var(--color-white); }
.bg-off-white { background-color: var(--color-off-white); }
.bg-navy { background-color: var(--color-navy); }
.bg-deep-blue { background-color: var(--color-deep-blue); }

/* Lists */
ul, ol {
  margin-bottom: var(--space-4);
  padding-left: var(--space-6);
}

li {
  margin-bottom: var(--space-2);
}

/* ============================================================
   23. SKIP TO CONTENT (ACCESSIBILITY)
   ============================================================ */

.skip-to-content {
  position: absolute;
  top: -100%;
  left: var(--space-4);
  background-color: var(--color-gold);
  color: var(--color-navy);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--border-radius-md);
  font-weight: 600;
  font-size: var(--text-sm);
  z-index: 9999;
  transition: top 0.2s ease;
  text-decoration: none;
}

.skip-to-content:focus {
  top: var(--space-4);
}

/* ============================================================
   24. PHONE CTA
   ============================================================ */

.phone-cta {
  font-family: var(--font-heading);
  font-size: var(--text-3xl);
  font-weight: 700;
  color: var(--color-white);
  text-decoration: none;
  letter-spacing: 0.02em;
  transition: color 0.2s ease;
}

.phone-cta:hover {
  color: var(--color-gold);
  text-decoration: none;
}

.phone-cta--dark {
  color: var(--color-navy);
}

.phone-cta--dark:hover {
  color: var(--color-steel-blue);
}

.phone-cta--hero {
  font-size: var(--text-4xl);
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
}

@media (max-width: 767px) {
  .phone-cta--hero {
    font-size: var(--text-2xl);
  }
}

/* ============================================================
   25. CREDENTIAL BADGES
   ============================================================ */

.credential-badges {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  justify-content: center;
}

.credential-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background-color: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--border-radius-sm);
  color: rgba(255, 255, 255, 0.9);
  font-size: var(--text-sm);
  font-weight: 500;
  white-space: nowrap;
}

.credential-badge--gold {
  border-color: var(--color-gold);
  color: var(--color-gold);
}

/* ============================================================
   26. SPECIAL ISSUANCE PAGE (legacy styles removed — see redesign section below)
   ============================================================ */

/* ============================================================
   27. PUBLICATIONS PAGE
   ============================================================ */

.pub-series {
  margin-bottom: var(--space-10);
}

.pub-series-header {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
  padding-bottom: var(--space-4);
  border-bottom: 2px solid var(--color-gold);
}

.pub-series-header h2 {
  margin-bottom: 0;
}

.pub-series-count {
  background-color: var(--color-navy);
  color: var(--color-white);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--border-radius-sm);
  font-size: var(--text-xs);
  font-weight: 700;
  white-space: nowrap;
}

.pub-list {
  list-style: none;
  padding: 0;
  margin: 0;
  counter-reset: pub-counter;
}

.pub-list li {
  counter-increment: pub-counter;
  padding: var(--space-4) var(--space-4) var(--space-4) var(--space-10);
  position: relative;
  border-bottom: 1px solid var(--color-light-gray);
  margin-bottom: 0;
}

.pub-list li::before {
  content: counter(pub-counter);
  position: absolute;
  left: var(--space-2);
  top: var(--space-4);
  width: 24px;
  height: 24px;
  background-color: var(--color-off-white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--color-steel-blue);
}

.pub-title {
  font-weight: 600;
  color: var(--color-navy);
  font-size: var(--text-base);
  margin-bottom: var(--space-1);
}

.pub-journal {
  font-size: var(--text-sm);
  color: var(--color-medium-gray);
  font-style: italic;
}

.pub-link {
  font-size: var(--text-sm);
  margin-left: var(--space-3);
}

/* Award Cards */
.awards-section {
  background-color: var(--color-off-white);
}

.awards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

@media (max-width: 767px) {
  .awards-grid {
    grid-template-columns: 1fr;
  }
}

.award-card {
  text-align: center;
  padding: var(--space-8) var(--space-6);
  background-color: var(--color-white);
  border-radius: var(--border-radius-lg);
  border: 1px solid var(--color-light-gray);
  box-shadow: var(--shadow-sm);
}

.award-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--space-4);
  background: linear-gradient(135deg, var(--color-gold), var(--color-gold-hover));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  color: var(--color-navy);
}

.award-card h4 {
  font-size: var(--text-lg);
  margin-bottom: var(--space-2);
}

.award-card p {
  font-size: var(--text-sm);
  color: var(--color-medium-gray);
}

.award-year {
  font-weight: 700;
  color: var(--color-gold);
  font-size: var(--text-sm);
  display: block;
  margin-top: var(--space-2);
}

/* Leadership Table */
.leadership-section {
  background-color: var(--color-white);
}

.leadership-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.leadership-item {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: var(--space-4);
  padding: var(--space-4) 0;
  border-bottom: 1px solid var(--color-light-gray);
  margin-bottom: 0;
}

@media (max-width: 767px) {
  .leadership-item {
    grid-template-columns: 1fr;
    gap: var(--space-1);
  }
}

.leadership-role {
  font-weight: 600;
  color: var(--color-navy);
  font-size: var(--text-sm);
}

.leadership-org {
  color: var(--color-medium-gray);
  font-size: var(--text-sm);
}

/* Book Card */

.book-card {
  display: flex;
  gap: var(--space-6);
  padding: var(--space-6);
  background-color: var(--color-white);
  border-radius: var(--border-radius-lg);
  border: 1px solid var(--color-light-gray);
  align-items: center;
}

@media (max-width: 767px) {
  .book-card {
    flex-direction: column;
    text-align: center;
  }
}

.book-cover-placeholder {
  width: 120px;
  height: 160px;
  background: linear-gradient(135deg, var(--color-navy), var(--color-deep-blue));
  border-radius: var(--border-radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-gold);
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: 700;
  text-align: center;
  padding: var(--space-3);
  flex-shrink: 0;
  line-height: 1.3;
}

.book-info h4 {
  font-size: var(--text-xl);
  margin-bottom: var(--space-2);
}

.book-info p {
  font-size: var(--text-sm);
  color: var(--color-medium-gray);
}

/* Speaking section */
.speaking-section {
  background-color: var(--color-off-white);
}

/* Credential cards grid (publications page) */
.credential-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
  margin: var(--space-6) 0;
}

@media (max-width: 767px) {
  .credential-cards {
    grid-template-columns: 1fr;
  }
}

/* ============================================================
   26a. SPECIAL ISSUANCE PAGE
   ============================================================ */

/* SI Intro Section */
.si-intro-content {
  max-width: 780px;
  margin: 0 auto;
  text-align: center;
}

.si-intro-content h2 {
  font-size: var(--text-3xl);
  margin-bottom: var(--space-8);
  line-height: var(--leading-tight);
}

@media (min-width: 1024px) {
  .si-intro-content h2 {
    font-size: var(--text-4xl);
  }
}

.si-intro-content p {
  font-size: var(--text-lg);
  color: var(--color-dark-gray);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-6);
}

.si-intro-cta {
  margin-top: var(--space-10);
}

/* ---- Expanding Condition Cards ---- */

.si-cards {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

/* Individual Card */
.si-card {
  border-top: 3px solid var(--color-gold);
  border-radius: var(--border-radius-md);
  background-color: rgba(255, 255, 255, 0.06);
  overflow: hidden;
  transition: background-color 0.2s ease;
}

.si-card:hover {
  background-color: rgba(255, 255, 255, 0.09);
}

.si-card.si-card--open {
  background-color: rgba(255, 255, 255, 0.10);
}

/* Card Header (button) */
.si-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-4);
  width: 100%;
  padding: var(--space-6) var(--space-8);
  background: none;
  border: none;
  text-align: left;
  cursor: pointer;
  font-family: var(--font-body);
  color: var(--color-white);
  transition: background-color 0.2s ease;
}

.si-card-header:hover {
  background-color: rgba(255, 255, 255, 0.04);
}

.si-card-header:focus {
  outline: 2px solid var(--color-sky-blue);
  outline-offset: -2px;
}

.si-card-header-content {
  flex: 1;
  min-width: 0;
}

.si-card-title {
  color: var(--color-white);
  font-size: var(--text-xl);
  font-weight: 700;
  margin-bottom: var(--space-2);
  line-height: var(--leading-tight);
}

.si-card-reassurance {
  color: var(--color-gold);
  font-size: var(--text-sm);
  font-weight: 500;
  margin-bottom: var(--space-2);
  line-height: var(--leading-normal);
}

.si-card-covers {
  color: rgba(255, 255, 255, 0.55);
  font-size: var(--text-sm);
  margin-bottom: 0;
  line-height: var(--leading-normal);
}

.si-card-covers strong {
  color: rgba(255, 255, 255, 0.7);
  font-weight: 600;
}

/* Chevron indicator */
.si-card-chevron {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  margin-top: var(--space-2);
  position: relative;
  transition: transform 0.3s ease;
}

.si-card-chevron::before,
.si-card-chevron::after {
  content: '';
  position: absolute;
  background-color: var(--color-gold);
  border-radius: 1px;
  transition: transform 0.3s ease;
}

/* Plus sign by default */
.si-card-chevron::before {
  width: 16px;
  height: 2px;
  top: 11px;
  left: 4px;
}

.si-card-chevron::after {
  width: 2px;
  height: 16px;
  top: 4px;
  left: 11px;
}

/* Rotate to minus when open */
.si-card--open .si-card-chevron::after {
  transform: rotate(90deg);
}

/* Card Body (expandable) */
.si-card-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
}

.si-card-body-inner {
  padding: 0 var(--space-8) var(--space-8);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: var(--space-6);
}

/* Card content sections */
.si-card-section {
  margin-bottom: var(--space-6);
}

.si-card-section:last-child {
  margin-bottom: 0;
}

.si-card-section h4 {
  color: var(--color-gold);
  font-size: var(--text-base);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: var(--space-3);
}

.si-card-section p {
  color: rgba(255, 255, 255, 0.8);
  font-size: var(--text-sm);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-3);
}

.si-card-section p:last-child {
  margin-bottom: 0;
}

/* Note-style section */
.si-card-section--note {
  background-color: rgba(200, 169, 81, 0.08);
  border-left: 3px solid var(--color-gold);
  border-radius: 0 var(--border-radius-sm) var(--border-radius-sm) 0;
  padding: var(--space-4) var(--space-5);
}

.si-card-section--note p {
  margin-bottom: 0;
}

.si-card-section--note a {
  color: var(--color-gold);
}

.si-card-section--note a:hover {
  color: var(--color-gold-hover);
}

/* Test list */
.si-test-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.si-test-list li {
  color: rgba(255, 255, 255, 0.8);
  font-size: var(--text-sm);
  line-height: var(--leading-relaxed);
  padding: var(--space-2) 0 var(--space-2) var(--space-6);
  position: relative;
  margin-bottom: var(--space-1);
}

.si-test-list li::before {
  content: '\2713';
  position: absolute;
  left: 0;
  color: var(--color-gold);
  font-weight: 700;
  font-size: var(--text-sm);
}

.si-test-list li strong {
  color: var(--color-white);
}

/* Strength list */
.si-strength-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.si-strength-list li {
  color: rgba(255, 255, 255, 0.8);
  font-size: var(--text-sm);
  line-height: var(--leading-relaxed);
  padding: var(--space-2) 0 var(--space-2) var(--space-6);
  position: relative;
  margin-bottom: var(--space-1);
}

.si-strength-list li::before {
  content: '\25B8';
  position: absolute;
  left: var(--space-1);
  color: var(--color-gold);
  font-size: var(--text-sm);
}

/* Roadmap Steps */
.si-roadmap {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.si-roadmap-step {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex: 1;
  min-width: 120px;
  position: relative;
}

/* Arrow connector between steps */
.si-roadmap-step:not(:last-child)::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 var(--color-gold);
  opacity: 0.5;
}

.si-roadmap-number {
  width: 32px;
  height: 32px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background-color: var(--color-gold);
  color: var(--color-navy);
  font-size: var(--text-sm);
  font-weight: 700;
  line-height: 1;
}

.si-roadmap-label {
  font-size: var(--text-xs);
  color: rgba(255, 255, 255, 0.8);
  font-weight: 500;
  line-height: var(--leading-tight);
}

@media (max-width: 767px) {
  .si-roadmap {
    flex-direction: column;
    gap: var(--space-3);
  }

  .si-roadmap-step {
    min-width: 0;
  }

  .si-roadmap-step:not(:last-child)::after {
    display: none;
  }
}

/* Card CTA */
.si-card-cta {
  margin-top: var(--space-6);
  padding-top: var(--space-6);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* Mobile adjustments for cards */
@media (max-width: 767px) {
  .si-card-header {
    padding: var(--space-5) var(--space-5);
  }

  .si-card-body-inner {
    padding: 0 var(--space-5) var(--space-6);
    padding-top: var(--space-5);
  }

  .si-card-title {
    font-size: var(--text-lg);
  }
}

/* ---- Beyond Cardiac Section ---- */

.si-beyond-cardiac {
  margin-top: var(--space-12);
  padding-top: var(--space-10);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.si-beyond-title {
  color: var(--color-white);
  font-size: var(--text-2xl);
  font-family: var(--font-heading);
  font-weight: 700;
  text-align: center;
  margin-bottom: var(--space-3);
}

.si-beyond-subtitle {
  color: rgba(255, 255, 255, 0.65);
  font-size: var(--text-base);
  text-align: center;
  max-width: 700px;
  margin: 0 auto var(--space-8);
}

.si-beyond-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-6);
}

@media (max-width: 767px) {
  .si-beyond-grid {
    grid-template-columns: 1fr;
  }
}

.si-beyond-card {
  background-color: rgba(255, 255, 255, 0.06);
  border-top: 3px solid var(--color-steel-blue);
  border-radius: var(--border-radius-md);
  padding: var(--space-6) var(--space-8);
}

.si-beyond-card h4 {
  color: var(--color-white);
  font-size: var(--text-lg);
  font-weight: 700;
  margin-bottom: var(--space-3);
}

.si-beyond-card p {
  color: rgba(255, 255, 255, 0.7);
  font-size: var(--text-sm);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-5);
}

/* Not Sure CTA */
.si-not-sure {
  margin-top: var(--space-10);
  text-align: center;
  background-color: rgba(200, 169, 81, 0.1);
  border-top: 3px solid var(--color-gold);
  border-radius: var(--border-radius-md);
  padding: var(--space-8) var(--space-8);
}

.si-not-sure h3 {
  color: var(--color-gold);
  font-size: var(--text-xl);
  margin-bottom: var(--space-3);
}

.si-not-sure p {
  color: rgba(255, 255, 255, 0.75);
  font-size: var(--text-base);
  margin-bottom: var(--space-6);
}

/* ---- FAQ Section ---- */

.si-faq {
  padding: var(--space-20) 0;
}

.si-faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.si-faq-item {
  border-bottom: 1px solid var(--color-light-gray);
}

.si-faq-item:first-child {
  border-top: 1px solid var(--color-light-gray);
}

.si-faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  width: 100%;
  padding: var(--space-5) var(--space-2);
  background: none;
  border: none;
  text-align: left;
  cursor: pointer;
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-navy);
  line-height: var(--leading-normal);
  transition: color 0.2s ease;
}

.si-faq-question:hover {
  color: var(--color-steel-blue);
}

.si-faq-question:focus {
  outline: 2px solid var(--color-sky-blue);
  outline-offset: -2px;
}

/* FAQ Icon (plus/minus) */
.si-faq-icon {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  position: relative;
}

.si-faq-icon::before,
.si-faq-icon::after {
  content: '';
  position: absolute;
  background-color: var(--color-gold);
  border-radius: 1px;
  transition: transform 0.3s ease;
}

.si-faq-icon::before {
  width: 14px;
  height: 2px;
  top: 9px;
  left: 3px;
}

.si-faq-icon::after {
  width: 2px;
  height: 14px;
  top: 3px;
  left: 9px;
}

.si-faq-item--open .si-faq-icon::after {
  transform: rotate(90deg);
}

/* FAQ Answer (expandable) */
.si-faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
}

.si-faq-answer-inner {
  padding: 0 var(--space-2) var(--space-6);
}

.si-faq-answer-inner p {
  color: var(--color-dark-gray);
  font-size: var(--text-sm);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-4);
}

.si-faq-answer-inner p:last-child {
  margin-bottom: 0;
}

.si-faq-answer-inner a {
  color: var(--color-steel-blue);
}

.si-faq-answer-inner a:hover {
  color: var(--color-sky-blue);
}

/* SI Process Track — Horizontal Steps */
.si-process-track {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--space-6);
  position: relative;
  margin-bottom: var(--space-12);
}

/* Connecting line behind all cards */
.si-process-line {
  display: none;
}

@media (min-width: 1024px) {
  .si-process-line {
    display: block;
    position: absolute;
    top: 38px;
    left: 10%;
    right: 10%;
    height: 2px;
    background-color: var(--color-light-gray);
    z-index: 0;
  }
}

.si-step-card {
  background-color: var(--color-white);
  border-radius: var(--border-radius-lg);
  padding: var(--space-8) var(--space-6);
  text-align: center;
  position: relative;
  z-index: 1;
  box-shadow: var(--shadow-sm);
  border-top: 3px solid var(--color-gold);
  transition: box-shadow 0.2s ease;
}

.si-step-card:hover {
  box-shadow: var(--shadow-md);
}

.si-step-number {
  display: block;
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-gold);
  letter-spacing: 0.05em;
  margin-bottom: var(--space-3);
}

.si-step-card h3 {
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--color-navy);
  margin-bottom: var(--space-2);
}

.si-step-card p {
  font-size: var(--text-sm);
  color: var(--color-medium-gray);
  line-height: var(--leading-relaxed);
  margin: 0;
}

/* Stack process steps on tablet and mobile */
@media (max-width: 1023px) {
  .si-process-track {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 767px) {
  .si-process-track {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4);
  }
}

@media (max-width: 480px) {
  .si-process-track {
    grid-template-columns: 1fr;
  }
}

/* SI Renewal Note */
.si-renewal-note {
  max-width: 780px;
  margin: 0 auto;
  background-color: var(--color-white);
  border-radius: var(--border-radius-lg);
  border: 1px solid var(--color-light-gray);
  padding: var(--space-8) var(--space-10);
  box-shadow: var(--shadow-sm);
}

.si-renewal-note h3 {
  font-size: var(--text-lg);
  margin-bottom: var(--space-3);
  color: var(--color-navy);
}

.si-renewal-note p {
  font-size: var(--text-base);
  color: var(--color-dark-gray);
  line-height: var(--leading-relaxed);
}

/* ============================================================
   28. INTAKE FORM PAGE
   ============================================================ */

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

.intake-intro {
  max-width: 700px;
  margin: 0 auto var(--space-10);
  text-align: center;
}

.intake-intro p {
  font-size: var(--text-lg);
  color: var(--color-dark-gray);
}

.intake-form-wrapper {
  max-width: 800px;
  margin: 0 auto;
  background-color: var(--color-white);
  border-radius: var(--border-radius-lg);
  padding: var(--space-10);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-light-gray);
}

.fieldset {
  border: none;
  padding: 0;
  margin: 0 0 var(--space-8);
}

.fieldset-legend {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-navy);
  margin-bottom: var(--space-6);
  padding-bottom: var(--space-3);
  border-bottom: 2px solid var(--color-gold);
  display: block;
  width: 100%;
}

.intake-notice {
  background-color: var(--color-off-white);
  border: 1px solid var(--color-light-gray);
  border-radius: var(--border-radius-md);
  padding: var(--space-4) var(--space-6);
  margin-top: var(--space-6);
  font-size: var(--text-sm);
  color: var(--color-medium-gray);
}

.intake-notice strong {
  color: var(--color-navy);
}

/* ============================================================
   29. GOOGLE MAPS EMBED
   ============================================================ */

.map-embed {
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  aspect-ratio: 16 / 9;
  border: 1px solid var(--color-light-gray);
  margin-top: var(--space-8);
}

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

/* ============================================================
   30. SCROLL REVEAL ANIMATIONS
   ============================================================ */

.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.revealed {
  opacity: 1;
  transform: translateY(0);
}

.slide-up {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.slide-up.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* Staggered delay classes */
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ============================================================
   31. RESPONSIVE ADJUSTMENTS
   ============================================================ */

/* Tablet */
@media (max-width: 1023px) {
  :root {
    --container-padding: var(--space-6);
  }

  h1 {
    font-size: var(--text-4xl);
  }

  .hero-title {
    font-size: var(--text-4xl);
  }
}

/* Mobile */
@media (max-width: 767px) {
  :root {
    --container-padding: var(--space-4);
  }

  h1 {
    font-size: var(--text-4xl);
  }

  h2 {
    font-size: var(--text-2xl);
  }

  h3 {
    font-size: var(--text-xl);
  }

  .hero {
    min-height: 70vh;
    padding: var(--space-12) 0;
  }

  .hero-title {
    font-size: var(--text-4xl);
  }

  .section-title {
    font-size: var(--text-2xl);
  }

  .cta-banner h2 {
    font-size: var(--text-2xl);
  }

  .logo-tagline {
    display: none;
  }

  .why-content,
  .mission-content {
    font-size: var(--text-base);
  }

}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .fade-in,
  .slide-up {
    opacity: 1;
    transform: none;
  }
}

/* Dr. headshot image */
.dr-headshot {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--color-gold);
}

/* Value callout box */
.value-callout {
  background: linear-gradient(135deg, rgba(197, 164, 78, 0.08), rgba(197, 164, 78, 0.15));
  border: 1px solid var(--color-gold);
  border-radius: 8px;
  padding: 1.25rem 1.5rem;
  margin: 1.5rem 0;
  font-size: 1.05rem;
  line-height: 1.6;
}

/* Print styles */
@media print {
  .site-header,
  .site-footer,
  .mobile-menu-toggle,
  .hero-actions,
  .cta-banner {
    display: none;
  }

  body {
    background-color: white;
    color: black;
  }

  a {
    color: var(--color-steel-blue);
  }

  section {
    page-break-inside: avoid;
  }
}