/* ==========================================================================
   TQL Rehab — styles.css
   Architecture #10: Progressive Disclosure | Style #6: Modern Minimal
   ========================================================================== */

/* Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@400;700;900&family=Inter:wght@400;500;600&display=swap');

/* ==========================================================================
   1. CSS Custom Properties (from contract Section 3)
   ========================================================================== */

:root {
  --color-primary: #000000;          /* Black */
  --color-primary-dark: #000000;     /* Black (same as primary) */
  --color-primary-light: #333333;    /* Charcoal */
  --color-secondary: #333333;        /* Charcoal */
  --color-secondary-dark: #1A1A1A;   /* Near Black */
  --color-accent: #0066FF;           /* Electric Blue */
  --color-text: #111111;             /* Near Black */
  --color-text-light: #555555;       /* Medium Gray */
  --color-bg: #FFFFFF;               /* White */
  --color-bg-alt: #FAFAFA;           /* Off-white */
  --color-bg-white: #FFFFFF;         /* White */
  --color-border: #E0E0E0;           /* Light Gray */
  --color-success: #28A745;          /* Green */
  --color-error: #DC3545;            /* Red */

  /* Typography */
  --font-heading: 'Montserrat', sans-serif;
  --font-body: 'Inter', sans-serif;

  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-2xl: 4rem;
  --space-3xl: 6rem;

  /* Radius — Modern Minimal: 0-4px */
  --radius-sm: 2px;
  --radius-md: 4px;
  --radius-lg: 4px;

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms ease;

  /* Header height */
  --header-height: 72px;

  /* Container widths */
  --container-max: 1200px;
  --container-narrow: 800px;
  --container-wide: 1400px;
}

/* ==========================================================================
   2. Reset & Base
   ========================================================================== */

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  font-size: 16px;
}

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

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

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

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

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

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

button:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

ul,
ol {
  list-style: none;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-primary);
}

h1 { font-size: 2rem; }
h2 { font-size: 1.75rem; }
h3 { font-size: 1.25rem; }
h4 { font-size: 1.125rem; }

@media (min-width: 768px) {
  h1 { font-size: 2.75rem; }
  h2 { font-size: 2.25rem; }
  h3 { font-size: 1.5rem; }
}

@media (min-width: 1024px) {
  h1 { font-size: 3.25rem; }
  h2 { font-size: 2.5rem; }
  h3 { font-size: 1.75rem; }
}

/* ==========================================================================
   3. Layout — Skip Nav, SR Only, Containers
   ========================================================================== */

.skip-nav {
  position: absolute;
  top: -100%;
  left: var(--space-sm);
  z-index: 10000;
  padding: var(--space-xs) var(--space-sm);
  background: var(--color-accent);
  color: var(--color-bg-white);
  font-weight: 600;
  border-radius: var(--radius-md);
  transition: top var(--transition-fast);
}

.skip-nav:focus {
  top: var(--space-xs);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-sm);
  padding-right: var(--space-sm);
}

.container--narrow {
  max-width: var(--container-narrow);
}

.container--wide {
  max-width: var(--container-wide);
}

@media (min-width: 768px) {
  .container {
    padding-left: var(--space-lg);
    padding-right: var(--space-lg);
  }
}

/* ==========================================================================
   4. Header — SOLID background
   ========================================================================== */

.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background-color: var(--color-primary);
  transition: box-shadow var(--transition-base);
  height: var(--header-height);
}

.header--scrolled {
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.header__logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  z-index: 1001;
}

.header__logo-text {
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: 1.5rem;
  color: var(--color-bg-white);
  letter-spacing: -0.02em;
}

/* Navigation — mobile first (hidden) */
.header__nav {
  position: fixed;
  top: 0;
  right: -100%;
  width: 80%;
  max-width: 320px;
  height: 100vh;
  background-color: var(--color-primary);
  padding: calc(var(--header-height) + var(--space-lg)) var(--space-lg) var(--space-lg);
  transition: right var(--transition-base);
  z-index: 999;
  overflow-y: auto;
}

.header__nav--open {
  right: 0;
}

.header__nav-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.header__nav-item {
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.header__nav-link {
  display: block;
  padding: var(--space-sm) 0;
  color: rgba(255, 255, 255, 0.8);
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 1rem;
  transition: color var(--transition-fast);
  min-height: 44px;
  display: flex;
  align-items: center;
}

.header__nav-link:hover,
.header__nav-link:focus-visible {
  color: var(--color-bg-white);
}

.header__nav-link--active {
  color: var(--color-bg-white);
  font-weight: 600;
  border-bottom: 2px solid var(--color-accent);
}

/* Header phone CTA */
.header__phone {
  display: none;
  min-height: 44px;
  font-size: 0.875rem;
}

/* Mobile menu toggle */
.header__toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 44px;
  height: 44px;
  gap: 5px;
  z-index: 1001;
  background: none;
  border: none;
  cursor: pointer;
}

.header__toggle span:not(.sr-only) {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-bg-white);
  transition: transform var(--transition-base), opacity var(--transition-base);
}

.header__toggle[aria-expanded="true"] span:not(.sr-only):nth-child(2) {
  transform: rotate(45deg) translateY(5px);
}

.header__toggle[aria-expanded="true"] span:not(.sr-only):nth-child(3) {
  opacity: 0;
}

.header__toggle[aria-expanded="true"] span:not(.sr-only):nth-child(4) {
  transform: rotate(-45deg) translateY(-5px);
}

/* Overlay */
.header__overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: 998;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-base), visibility var(--transition-base);
}

.header__nav--open ~ .header__overlay,
.header__overlay--active {
  opacity: 1;
  visibility: visible;
}

@media (min-width: 1024px) {
  .header__nav {
    position: static;
    width: auto;
    max-width: none;
    height: auto;
    background-color: transparent;
    padding: 0;
    overflow-y: visible;
  }

  .header__nav-list {
    flex-direction: row;
    gap: var(--space-xs);
    align-items: center;
  }

  .header__nav-item {
    border-bottom: none;
  }

  .header__nav-link {
    padding: var(--space-xs) var(--space-sm);
    font-size: 0.875rem;
    border-bottom: none;
  }

  .header__nav-link--active {
    border-bottom: 2px solid var(--color-accent);
  }

  .header__phone {
    display: inline-flex;
    margin-left: var(--space-sm);
  }

  .header__toggle {
    display: none;
  }

  .header__overlay {
    display: none;
  }
}

/* Body offset for fixed header */
body {
  padding-top: var(--header-height);
}

/* ==========================================================================
   5. Hero
   ========================================================================== */

.hero {
  position: relative;
  min-height: 80vh;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-bg-white);
  overflow: hidden;
}

.hero--inner {
  min-height: 40vh;
}

.hero__bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}

.hero__bg::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.6);
  z-index: 1;
}

.hero__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero__content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 800px;
  padding: var(--space-2xl) var(--space-sm);
}

.hero__title {
  font-weight: 900;
  color: var(--color-bg-white);
  margin-bottom: var(--space-sm);
  letter-spacing: -0.02em;
}

.hero__subtitle {
  font-size: 1.125rem;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: var(--space-lg);
  line-height: 1.6;
}

@media (min-width: 768px) {
  .hero__subtitle {
    font-size: 1.25rem;
  }
}

.hero__cta {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  align-items: center;
}

@media (min-width: 480px) {
  .hero__cta {
    flex-direction: row;
    justify-content: center;
  }
}

.hero__phone {
  font-size: 1.125rem;
  font-weight: 700;
}

/* ==========================================================================
   6. Buttons
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 600;
  line-height: 1.4;
  text-align: center;
  text-decoration: none;
  border: 2px solid transparent;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background-color var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast);
  min-height: 44px;
  min-width: 44px;
}

.btn:hover {
  transform: translateY(-1px);
}

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

.btn--primary {
  background-color: var(--color-accent);
  color: var(--color-bg-white);
  border-color: var(--color-accent);
}

.btn--primary:hover {
  background-color: #0052cc;
  border-color: #0052cc;
  color: var(--color-bg-white);
}

.btn--secondary {
  background-color: var(--color-secondary);
  color: var(--color-bg-white);
  border-color: var(--color-secondary);
}

.btn--secondary:hover {
  background-color: var(--color-secondary-dark);
  border-color: var(--color-secondary-dark);
  color: var(--color-bg-white);
}

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

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

.btn--white {
  background-color: var(--color-bg-white);
  color: var(--color-primary-dark);
  border-color: var(--color-bg-white);
}

.btn--white:hover {
  background-color: var(--color-bg-alt);
  border-color: var(--color-bg-alt);
  color: var(--color-primary-dark);
}

.btn--lg {
  padding: 1rem 2rem;
  font-size: 1.0625rem;
}

.btn--sm {
  padding: 0.5rem 1rem;
  font-size: 0.8125rem;
  min-height: 36px;
}

.btn--block {
  width: 100%;
}

/* Button contrast on dark backgrounds (MANDATORY) */
.hero .btn--primary,
.cta--dark .btn--primary,
.section--dark .btn--primary {
  background-color: var(--color-bg-white);
  color: var(--color-primary-dark);
  border-color: var(--color-bg-white);
}

.hero .btn--primary:hover,
.cta--dark .btn--primary:hover,
.section--dark .btn--primary:hover {
  background-color: var(--color-bg-alt);
  border-color: var(--color-bg-alt);
  color: var(--color-primary-dark);
}

/* Card link specificity fix (MANDATORY) */
.card__link.btn {
  color: inherit;
}

.card__link.btn--primary {
  color: var(--color-bg-white);
}

/* CTA phone contrast fix (MANDATORY) */
.cta--dark .cta__phone.btn {
  background-color: var(--color-bg-white);
  color: var(--color-primary-dark);
  border-color: var(--color-bg-white);
}

.cta--dark .cta__phone.btn:hover {
  background-color: var(--color-bg-alt);
  border-color: var(--color-bg-alt);
  color: var(--color-primary-dark);
}

/* ==========================================================================
   7. Sections
   ========================================================================== */

.section {
  padding: var(--space-2xl) 0;
}

@media (min-width: 768px) {
  .section {
    padding: var(--space-3xl) 0;
  }
}

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

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

.section--dark .section__title,
.section--dark .section__subtitle,
.section--dark h2,
.section--dark h3,
.section--dark p {
  color: var(--color-bg-white);
}

.section--dark .section__subtitle,
.section--dark p {
  color: rgba(255, 255, 255, 0.85);
}

.section__header {
  text-align: center;
  margin-bottom: var(--space-2xl);
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.section__title {
  margin-bottom: var(--space-sm);
}

.section__subtitle {
  color: var(--color-text-light);
  font-size: 1.0625rem;
  line-height: 1.7;
}

/* ==========================================================================
   8. Trust Bar
   ========================================================================== */

.trust-bar {
  background-color: var(--color-bg-alt);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-md) 0;
}

.trust-bar__inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-md) var(--space-lg);
}

.trust-bar__item {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.trust-bar__icon {
  font-size: 1.5rem;
}

.trust-bar__text {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text);
}

/* ==========================================================================
   9. Cards
   ========================================================================== */

.card-grid {
  display: grid;
  gap: var(--space-lg);
}

.card-grid--2 {
  grid-template-columns: 1fr;
}

.card-grid--3 {
  grid-template-columns: 1fr;
}

.card-grid--4 {
  grid-template-columns: 1fr;
}

@media (min-width: 480px) {
  .card-grid--2,
  .card-grid--4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 768px) {
  .card-grid--3 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .card-grid--3 {
    grid-template-columns: repeat(3, 1fr);
  }

  .card-grid--4 {
    grid-template-columns: repeat(4, 1fr);
  }
}

.card {
  background-color: var(--color-bg-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
}

.card--horizontal {
  display: flex;
  flex-direction: column;
}

@media (min-width: 768px) {
  .card--horizontal {
    flex-direction: row;
  }

  .card--horizontal .card__image {
    flex: 0 0 40%;
  }
}

.card--featured {
  border-color: var(--color-accent);
  border-width: 2px;
}

.card__image {
  overflow: hidden;
}

.card__image img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.card:hover .card__image img {
  transform: scale(1.03);
}

.card__body {
  padding: var(--space-md);
}

.card__title {
  margin-bottom: var(--space-xs);
  font-size: 1.125rem;
}

.card__text {
  color: var(--color-text-light);
  font-size: 0.9375rem;
  margin-bottom: var(--space-sm);
  line-height: 1.6;
}

.card__link {
  display: inline-flex;
  align-items: center;
  font-weight: 600;
  font-size: 0.875rem;
  min-height: 44px;
}

.card__icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: var(--space-sm);
  background-color: var(--color-bg-alt);
  border-radius: var(--radius-md);
}

.card__tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-accent);
  margin-bottom: var(--space-xs);
}

/* ==========================================================================
   10. CTA Sections
   ========================================================================== */

.cta {
  padding: var(--space-2xl) 0;
  text-align: center;
}

.cta--dark {
  background-color: var(--color-primary);
  color: var(--color-bg-white);
}

.cta--dark .cta__title {
  color: var(--color-bg-white);
}

.cta--dark .cta__text {
  color: rgba(255, 255, 255, 0.85);
}

.cta__title {
  margin-bottom: var(--space-sm);
}

.cta__text {
  color: var(--color-text-light);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: var(--space-lg);
  font-size: 1.0625rem;
  line-height: 1.7;
}

.cta__phone {
  font-size: 1.25rem;
  font-weight: 700;
}

.cta__actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  align-items: center;
  justify-content: center;
}

@media (min-width: 480px) {
  .cta__actions {
    flex-direction: row;
  }
}

/* ==========================================================================
   11. Testimonials / Carousel
   ========================================================================== */

.carousel {
  position: relative;
  overflow: hidden;
}

.carousel__track {
  display: flex;
  transition: transform var(--transition-slow);
}

.carousel__slide {
  min-width: 100%;
  opacity: 0.3;
  transition: opacity var(--transition-base);
  padding: 0 var(--space-sm);
}

.carousel__slide--active {
  opacity: 1;
}

.carousel__controls {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--space-sm);
  margin-top: var(--space-lg);
}

.carousel__btn {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  background-color: var(--color-bg-white);
  color: var(--color-text);
  font-size: 1.25rem;
  transition: border-color var(--transition-fast), color var(--transition-fast);
}

.carousel__btn:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.carousel__dots {
  display: flex;
  gap: var(--space-xs);
}

.carousel__dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  border: 2px solid var(--color-border);
  background-color: transparent;
  cursor: pointer;
  transition: background-color var(--transition-fast), border-color var(--transition-fast);
  min-width: 12px;
  min-height: 12px;
  padding: 0;
}

.carousel__dot--active {
  background-color: var(--color-accent);
  border-color: var(--color-accent);
}

.testimonial {
  padding: var(--space-lg);
  text-align: center;
  max-width: 700px;
  margin: 0 auto;
  border: none;
}

.testimonial__quote {
  font-size: 1.0625rem;
  font-style: italic;
  line-height: 1.8;
  color: var(--color-text);
  margin-bottom: var(--space-md);
  position: relative;
}

.testimonial__quote::before {
  content: '\201C';
  font-size: 3rem;
  font-family: var(--font-heading);
  color: var(--color-accent);
  display: block;
  margin-bottom: var(--space-xs);
  line-height: 1;
}

.testimonial__author {
  font-style: normal;
  font-weight: 600;
  color: var(--color-primary);
  display: block;
}

.testimonial__program {
  display: block;
  font-size: 0.875rem;
  color: var(--color-text-light);
  margin-top: 0.25rem;
}

/* ==========================================================================
   12. FAQ / Accordion
   ========================================================================== */

.accordion {
  max-width: 800px;
  margin: 0 auto;
}

.accordion__item {
  border-bottom: 1px solid var(--color-border);
}

.accordion__trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: var(--space-md) 0;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1rem;
  color: var(--color-primary);
  text-align: left;
  background: none;
  border: none;
  cursor: pointer;
  min-height: 44px;
  gap: var(--space-sm);
  transition: color var(--transition-fast);
}

.accordion__trigger:hover {
  color: var(--color-accent);
}

.accordion__icon {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  transition: transform var(--transition-base);
}

.accordion__item--active .accordion__icon {
  transform: rotate(45deg);
}

.accordion__panel {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-base), padding var(--transition-base);
}

.accordion__item--active .accordion__panel {
  max-height: 500px;
  padding-bottom: var(--space-md);
}

.accordion__panel p {
  color: var(--color-text-light);
  line-height: 1.7;
  font-size: 0.9375rem;
}

/* ==========================================================================
   13. Forms
   ========================================================================== */

.form {
  max-width: 600px;
  margin: 0 auto;
}

.form__group {
  margin-bottom: var(--space-md);
}

.form__label {
  display: block;
  margin-bottom: 0.375rem;
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--color-text);
}

.form__input,
.form__select,
.form__textarea {
  width: 100%;
  padding: 0.75rem var(--space-sm);
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--color-text);
  background-color: var(--color-bg-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-fast);
  min-height: 44px;
}

.form__input:focus,
.form__select:focus,
.form__textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 2px rgba(0, 102, 255, 0.15);
}

.form__textarea {
  resize: vertical;
  min-height: 120px;
}

.form__select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23555' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
}

.form__checkbox,
.form__radio {
  width: 20px;
  height: 20px;
  margin-right: var(--space-xs);
  accent-color: var(--color-accent);
}

.form__btn {
  min-height: 44px;
}

.form__error {
  display: block;
  color: var(--color-error);
  font-size: 0.8125rem;
  margin-top: 0.25rem;
  font-weight: 500;
}

.form__help {
  display: block;
  color: var(--color-text-light);
  font-size: 0.8125rem;
  margin-top: 0.25rem;
}

.form__input--error,
.form__select--error,
.form__textarea--error {
  border-color: var(--color-error);
}

.form__input--success,
.form__select--success {
  border-color: var(--color-success);
}

/* ==========================================================================
   14. Gallery / Lightbox
   ========================================================================== */

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

@media (min-width: 768px) {
  .gallery {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 1024px) {
  .gallery {
    grid-template-columns: repeat(4, 1fr);
  }
}

.gallery__item {
  cursor: pointer;
  overflow: hidden;
  border-radius: var(--radius-md);
}

.gallery__image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.gallery__item:hover .gallery__image {
  transform: scale(1.05);
}

/* Modal / Lightbox */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.92);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-base), visibility var(--transition-base);
}

.modal--active {
  opacity: 1;
  visibility: visible;
}

.modal__content {
  position: relative;
  max-width: 90vw;
  max-height: 85vh;
}

.modal__image {
  max-width: 100%;
  max-height: 85vh;
  object-fit: contain;
  border-radius: var(--radius-md);
}

.modal__close,
.modal__prev,
.modal__next {
  position: absolute;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: rgba(255, 255, 255, 0.15);
  color: var(--color-bg-white);
  border: none;
  border-radius: var(--radius-md);
  font-size: 1.25rem;
  cursor: pointer;
  transition: background-color var(--transition-fast);
}

.modal__close:hover,
.modal__prev:hover,
.modal__next:hover {
  background-color: rgba(255, 255, 255, 0.3);
}

.modal__close {
  top: -48px;
  right: 0;
}

.modal__prev {
  top: 50%;
  left: -52px;
  transform: translateY(-50%);
}

.modal__next {
  top: 50%;
  right: -52px;
  transform: translateY(-50%);
}

@media (max-width: 767px) {
  .modal__prev {
    left: 4px;
  }
  .modal__next {
    right: 4px;
  }
  .modal__close {
    top: 4px;
    right: 4px;
  }
}

/* ==========================================================================
   15. Breadcrumbs
   ========================================================================== */

.breadcrumb {
  padding: var(--space-sm) 0;
}

.breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.25rem;
  font-size: 0.875rem;
}

.breadcrumb__item {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.breadcrumb__link {
  color: var(--color-text-light);
  transition: color var(--transition-fast);
}

.breadcrumb__link:hover {
  color: var(--color-accent);
}

.breadcrumb__separator {
  color: var(--color-text-light);
}

.breadcrumb__current {
  color: var(--color-text);
  font-weight: 600;
}

/* ==========================================================================
   16. Stats
   ========================================================================== */

.stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg);
  text-align: center;
  padding: var(--space-lg) 0;
}

@media (min-width: 768px) {
  .stats {
    grid-template-columns: repeat(4, 1fr);
  }
}

.stats__item {
  padding: var(--space-sm);
}

.stats__number {
  display: block;
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: 2.5rem;
  color: var(--color-accent);
  line-height: 1.1;
}

.stats__label {
  display: block;
  font-size: 0.875rem;
  color: var(--color-text-light);
  margin-top: var(--space-xs);
  font-weight: 500;
}

/* ==========================================================================
   17. Timeline
   ========================================================================== */

.timeline {
  position: relative;
  max-width: 700px;
  margin: 0 auto;
  padding-left: var(--space-2xl);
}

.timeline::before {
  content: '';
  position: absolute;
  left: 16px;
  top: 0;
  bottom: 0;
  width: 2px;
  background-color: var(--color-border);
}

.timeline__step {
  position: relative;
  padding-bottom: var(--space-lg);
}

.timeline__step:last-child {
  padding-bottom: 0;
}

.timeline__number {
  position: absolute;
  left: calc(-1 * var(--space-2xl) + 4px);
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-accent);
  color: var(--color-bg-white);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.8125rem;
  border-radius: 50%;
  z-index: 1;
}

.timeline__title {
  margin-bottom: var(--space-xs);
}

.timeline__text {
  color: var(--color-text-light);
  font-size: 0.9375rem;
  line-height: 1.7;
}

/* ==========================================================================
   18. Team Grid
   ========================================================================== */

.team-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
}

@media (min-width: 480px) {
  .team-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .team-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.team-card {
  text-align: center;
  padding: var(--space-lg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.team-card__name {
  margin-bottom: 0.25rem;
}

.team-card__title {
  color: var(--color-accent);
  font-weight: 600;
  font-size: 0.875rem;
  margin-bottom: var(--space-xs);
}

.team-card__credentials {
  display: block;
  font-size: 0.8125rem;
  color: var(--color-text-light);
  margin-bottom: var(--space-sm);
}

.team-card__bio {
  font-size: 0.9375rem;
  color: var(--color-text-light);
  line-height: 1.6;
}

/* ==========================================================================
   19. Insurance Grid
   ========================================================================== */

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

@media (min-width: 480px) {
  .insurance-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 768px) {
  .insurance-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (min-width: 1024px) {
  .insurance-grid {
    grid-template-columns: repeat(5, 1fr);
  }
}

.insurance-grid__item {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-sm) var(--space-md);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--color-text);
  text-align: center;
  min-height: 60px;
}

/* ==========================================================================
   20. Blog
   ========================================================================== */

.blog-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
}

@media (min-width: 768px) {
  .blog-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .blog-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.blog-card {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.blog-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
}

.blog-card--featured {
  border-color: var(--color-accent);
  border-width: 2px;
}

@media (min-width: 768px) {
  .blog-card--featured {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: 1fr 1fr;
  }
}

.blog-card__image {
  overflow: hidden;
}

.blog-card__image img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.blog-card:hover .blog-card__image img {
  transform: scale(1.03);
}

.blog-card__body {
  padding: var(--space-md);
}

.blog-card__category {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-accent);
  margin-bottom: var(--space-xs);
}

.blog-card__title {
  margin-bottom: var(--space-xs);
  font-size: 1.125rem;
}

.blog-card__excerpt {
  color: var(--color-text-light);
  font-size: 0.9375rem;
  line-height: 1.6;
  margin-bottom: var(--space-sm);
}

.blog-card__meta {
  font-size: 0.8125rem;
  color: var(--color-text-light);
}

/* ==========================================================================
   21. Footer
   ========================================================================== */

.footer {
  background-color: var(--color-primary);
  color: rgba(255, 255, 255, 0.8);
  padding: var(--space-2xl) 0 var(--space-lg);
}

.footer__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
  margin-bottom: var(--space-2xl);
}

@media (min-width: 480px) {
  .footer__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .footer__grid {
    grid-template-columns: 2fr 1fr 1fr 1fr;
  }
}

.footer__title {
  color: var(--color-bg-white);
  font-size: 1.125rem;
  margin-bottom: var(--space-sm);
}

.footer__brand p {
  font-size: 0.9375rem;
  line-height: 1.7;
}

.footer__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.footer__link {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.9375rem;
  transition: color var(--transition-fast);
}

.footer__link:hover {
  color: var(--color-bg-white);
}

.footer__contact p {
  font-size: 0.9375rem;
  margin-bottom: var(--space-xs);
  line-height: 1.6;
}

.footer__legal {
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  padding-top: var(--space-md);
  text-align: center;
}

.footer__copyright {
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.5);
}

.footer__copyright a {
  color: rgba(255, 255, 255, 0.5);
}

.footer__copyright a:hover {
  color: var(--color-bg-white);
}

/* ==========================================================================
   22. Back to Top
   ========================================================================== */

.back-to-top {
  position: fixed;
  bottom: var(--space-lg);
  right: var(--space-lg);
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-primary);
  color: var(--color-bg-white);
  border: none;
  border-radius: var(--radius-md);
  font-size: 1.25rem;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(16px);
  transition: opacity var(--transition-base), visibility var(--transition-base), transform var(--transition-base), background-color var(--transition-fast);
  z-index: 900;
}

.back-to-top:hover {
  background-color: var(--color-accent);
}

.back-to-top--visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

/* ==========================================================================
   23. Scroll Reveal Animations
   ========================================================================== */

/* Reveal: visible by default. JS hides and animates via inline opacity/transform.
   .reveal--visible restores visibility when IntersectionObserver fires. */
.reveal {
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal--visible {
  opacity: 1 !important;
  transform: translate(0, 0) !important;
}

/* ==========================================================================
   24. Progressive Disclosure (Architecture #10)
   ========================================================================== */

/* PD sections: visible by default. JS hides and animates. */
.pd-section {
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.pd-section--visible {
  opacity: 1 !important;
  transform: translateY(0) !important;
}

/* Progress bar — fixed at top below header */
.pd-progress {
  position: fixed;
  top: var(--header-height);
  left: 0;
  width: 100%;
  height: 4px;
  background-color: var(--color-border);
  z-index: 999;
}

.pd-progress__bar {
  height: 100%;
  background-color: var(--color-accent);
  width: 0%;
  transition: width var(--transition-base);
}

.pd-progress__label {
  position: absolute;
  right: var(--space-sm);
  top: 8px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-text-light);
}

/* Continue / Learn More button */
.pd-continue {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: 0.75rem 1.5rem;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.9375rem;
  color: var(--color-accent);
  background: none;
  border: 2px solid var(--color-accent);
  border-radius: var(--radius-md);
  cursor: pointer;
  min-height: 44px;
  transition: background-color var(--transition-fast), color var(--transition-fast);
  margin-top: var(--space-lg);
}

.pd-continue:hover {
  background-color: var(--color-accent);
  color: var(--color-bg-white);
}

.pd-continue::after {
  content: '\2193';
  font-size: 1.125rem;
}

/* Skip link */
.pd-skip {
  display: inline-block;
  font-size: 0.8125rem;
  color: var(--color-text-light);
  text-decoration: underline;
  margin-top: var(--space-sm);
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}

.pd-skip:hover {
  color: var(--color-accent);
}

/* Steps */
.pd-step {
  opacity: 0.4;
  transition: opacity var(--transition-base);
}

.pd-step--active {
  opacity: 1;
}

.pd-step--complete {
  opacity: 0.7;
}

/* ==========================================================================
   25. Utility Classes
   ========================================================================== */

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }
.mt-5 { margin-top: 2.5rem; }

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }
.mb-5 { margin-bottom: 2.5rem; }

.pt-1 { padding-top: 0.5rem; }
.pt-2 { padding-top: 1rem; }
.pt-3 { padding-top: 1.5rem; }
.pt-4 { padding-top: 2rem; }
.pt-5 { padding-top: 2.5rem; }

.pb-1 { padding-bottom: 0.5rem; }
.pb-2 { padding-bottom: 1rem; }
.pb-3 { padding-bottom: 1.5rem; }
.pb-4 { padding-bottom: 2rem; }
.pb-5 { padding-bottom: 2.5rem; }

.hidden { display: none; }
.visible { display: block; }

/* ==========================================================================
   26. Forced Colors & High Contrast
   ========================================================================== */

@media (forced-colors: active) {
  .btn {
    border: 2px solid ButtonText;
  }

  .btn--primary {
    background-color: ButtonFace;
    color: ButtonText;
    border-color: ButtonText;
  }

  .accordion__trigger {
    border-bottom: 1px solid ButtonText;
  }

  .card {
    border: 1px solid ButtonText;
  }

  .header {
    border-bottom: 1px solid ButtonText;
  }

  .pd-progress__bar {
    background-color: Highlight;
  }
}

/* ==========================================================================
   27. Print Styles
   ========================================================================== */

@media print {
  .header,
  .footer,
  .back-to-top,
  .header__toggle,
  .header__overlay,
  .pd-progress,
  .modal,
  .carousel__controls {
    display: none !important;
  }

  body {
    padding-top: 0;
    color: #000;
    background: #fff;
  }

  .hero {
    min-height: auto;
    color: #000;
  }

  .hero__bg {
    display: none;
  }

  .hero__title,
  .hero__subtitle {
    color: #000;
  }

  .section--dark {
    background: #fff;
    color: #000;
  }

  .section--dark h2,
  .section--dark h3,
  .section--dark p {
    color: #000;
  }

  .reveal,
  .pd-section {
    opacity: 1 !important;
    transform: none !important;
  }

  a[href]::after {
    content: " (" attr(href) ")";
    font-size: 0.8em;
    color: #555;
  }

  .btn::after,
  .header__nav-link::after {
    content: none;
  }
}