/* ==========================================================================
   UTILITY-FIRST CSS FRAMEWORK
   Professional business website — healthcare/social work palette
   ========================================================================== */

/* ==========================================================================
   1. RESET & BASE
   ========================================================================== */

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  -moz-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  color: var(--color-text);
  background-color: var(--color-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img,
picture,
video,
svg {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

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

input,
textarea,
select {
  font: inherit;
  color: inherit;
}

h1, h2, h3, h4, h5, h6 {
  line-height: 1.2;
  overflow-wrap: break-word;
}

p {
  overflow-wrap: break-word;
}

ul, ol {
  padding-left: 1.5em;
}

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

:root {
  /* --- Colors: warm/earthy professional palette --- */
  --color-primary: #2a7d6e;
  --color-primary-dark: #1e5c51;
  --color-primary-light: #e6f2ef;
  --color-accent: #c4654a;
  --color-accent-dark: #a8503a;
  --color-text: #1a1a2e;
  --color-text-light: #6b7280;
  --color-bg: #ffffff;
  --color-bg-light: #f8f9fa;
  --color-bg-dark: #1a1a2e;
  --color-border: #e5e7eb;
  --color-white: #ffffff;
  --color-error: #dc2626;
  --color-success: #16a34a;

  /* --- Spacing scale (4px base) --- */
  --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-7: 1.75rem;   /* 28px */
  --space-8: 2rem;      /* 32px */
  --space-9: 2.25rem;   /* 36px */
  --space-10: 2.5rem;   /* 40px */
  --space-11: 2.75rem;  /* 44px */
  --space-12: 3rem;     /* 48px */
  --space-14: 3.5rem;   /* 56px */
  --space-16: 4rem;     /* 64px */
  --space-18: 4.5rem;   /* 72px */
  --space-20: 5rem;     /* 80px */
  --space-24: 6rem;     /* 96px */

  /* --- Typography --- */
  --font-sans: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;

  --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: clamp(1.875rem, 1.5rem + 1vw, 2.25rem);
  --text-4xl: clamp(2.25rem, 1.75rem + 1.5vw, 3rem);
  --text-5xl: clamp(3rem, 2rem + 2.5vw, 4rem);

  /* --- Borders --- */
  --rounded: 0.375rem;    /* 6px */
  --rounded-lg: 0.5rem;   /* 8px */
  --rounded-xl: 0.75rem;  /* 12px */
  --rounded-full: 9999px;

  /* --- Shadows --- */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.08);
  --shadow: 0 2px 4px -1px rgba(0, 0, 0, 0.12), 0 1px 2px -1px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 12px -2px rgba(0, 0, 0, 0.14), 0 2px 4px -1px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 12px 24px -4px rgba(0, 0, 0, 0.18), 0 4px 8px -2px rgba(0, 0, 0, 0.10);

  /* --- Transitions --- */
  --transition: 0.2s ease;
  --transition-slow: 0.3s ease;
  --transition-medium: 0.35s ease;

  /* --- Focus ring --- */
  --ring-primary: 0 0 0 3px rgba(42, 125, 110, 0.15);
  --ring-error: 0 0 0 3px rgba(220, 38, 38, 0.15);

  /* --- Breakpoints (for reference — CSS vars can't be used in @media, but these document the system) --- */
  /* --bp-md: 768px; */
  /* --bp-lg: 1024px; */
  /* --bp-xl: 1440px; */

  /* --- Layout --- */
  --container-max: 1280px;
  --nav-height: 4rem;
  --textarea-min-h: 120px;

  /* --- Misc --- */
  --hamburger-line-w: 24px;
  --hamburger-line-h: 3px;
  --hamburger-gap: 5px;
  --hamburger-offset: 8px;
  --modal-max-w: 480px;
  --backdrop-bg: rgba(0, 0, 0, 0.5);
  --nav-scroll-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  --border-width: 1px;
  --border-width-2: 2px;
}

/* ==========================================================================
   3. COMPONENT CLASSES
   ========================================================================== */

/* --- Container --- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-4);
  padding-right: var(--space-4);
}

@media (min-width: 768px) {
  .container {
    padding-left: var(--space-6);
    padding-right: var(--space-6);
  }
}

/* --- Section --- */
.section {
  padding-top: var(--space-16);
  padding-bottom: var(--space-16);
}

@media (min-width: 768px) {
  .section {
    padding-top: var(--space-20);
    padding-bottom: var(--space-20);
  }
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-3) var(--space-6);
  border-radius: var(--rounded-lg);
  font-weight: 600;
  font-size: var(--text-base);
  line-height: 1.5;
  border: none;
  cursor: pointer;
  transition: color var(--transition), background-color var(--transition), box-shadow var(--transition), transform var(--transition);
  text-decoration: none;
}

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

.btn-primary:hover {
  background-color: var(--color-accent-dark);
}

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

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

.btn-lg {
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-lg);
}

/* --- Card --- */
.card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--rounded-xl);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  transition: box-shadow var(--transition), transform var(--transition);
}

.card:hover {
  box-shadow: var(--shadow-lg);
}

/* --- Form inputs --- */
.input, .textarea, .select {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  border: var(--border-width) solid var(--color-border);
  border-radius: var(--rounded-lg);
  font-size: var(--text-base);
  background-color: var(--color-white);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.input:focus, .textarea:focus, .select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: var(--ring-primary);
}

.input-error {
  border-color: var(--color-error);
}

.input-error:focus {
  box-shadow: var(--ring-error);
}

.textarea {
  min-height: var(--textarea-min-h);
  resize: vertical;
}

.select {
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%236b7280' d='M1.41 0L6 4.58 10.59 0 12 1.41l-6 6-6-6z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--space-4) center;
  padding-right: var(--space-10);
}

/* --- Hamburger menu --- */
.hamburger {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: var(--hamburger-gap);
  padding: var(--space-2);
  z-index: 60;
}

/* When menu is open, hamburger (X) must be above the fixed overlay */
.hamburger.active {
  position: fixed;
  top: var(--space-4);
  right: var(--space-4);
}

.hamburger span {
  display: block;
  width: var(--hamburger-line-w);
  height: var(--hamburger-line-h);
  background-color: currentColor;
  border-radius: var(--rounded);
  transition: transform var(--transition-slow), opacity var(--transition-slow);
  transform-origin: center;
}

.hamburger.active span:nth-child(1) {
  transform: translateY(var(--hamburger-offset)) rotate(45deg);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: translateY(calc(-1 * var(--hamburger-offset))) rotate(-45deg);
}

/* --- Mobile nav overlay --- */
.nav-menu {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  background-color: var(--color-bg-dark);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-8);
  transform: translateX(100%);
  transition: transform var(--transition-medium);
  z-index: 50;
}

.nav-menu.active {
  transform: translateX(0);
}

/* --- Nav links --- */
.nav-link {
  font-size: var(--text-lg);
  font-weight: 500;
  transition: color var(--transition);
}

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

/* --- Accordion --- */
.accordion-item {
  border-bottom: var(--border-width) solid var(--color-border);
  cursor: pointer;
}

.accordion-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-4) 0;
  font-weight: 600;
  width: 100%;
  font-size: var(--text-base);
}

.accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-slow);
}

.accordion-chevron {
  transition: transform var(--transition-slow);
  flex-shrink: 0;
  margin-left: var(--space-4);
}

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

/* --- Modal --- */
.modal-backdrop {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  background-color: var(--backdrop-bg);
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: modal-fade-in 0.2s ease;
}

.modal {
  background-color: var(--color-white);
  border-radius: var(--rounded-xl);
  padding: var(--space-8);
  max-width: var(--modal-max-w);
  width: calc(100vw - var(--space-8));
  max-height: 90vh;
  overflow-x: hidden;
  overflow-y: auto;
  animation: modal-scale-in 0.2s ease;
}

@keyframes modal-fade-in {
  from { opacity: 0; }
}

@keyframes modal-scale-in {
  from { transform: scale(0.95); }
}

.popup-image {
  width: 64px;
  height: 64px;
  object-fit: contain;
  margin: 0 auto var(--space-4);
  border-radius: var(--rounded-lg);
}

/* --- Form layout --- */
.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
}

.form-label {
  font-weight: 500;
  font-size: var(--text-sm);
}

.form-required {
  color: var(--color-accent);
}

.form-optional {
  font-weight: 400;
  color: var(--color-text-light);
  font-size: 0.85em;
}

.form-error {
  font-size: var(--text-sm);
  color: var(--color-error);
}

.form-success {
  font-size: var(--text-sm);
  color: var(--color-success);
}

.cf-turnstile {
  display: flex;
  justify-content: center;
}

.form-modal-icon {
  font-size: 3rem;
  line-height: 1;
  margin-bottom: var(--space-4);
}

/* ==========================================================================
   4. UTILITY CLASSES
   ========================================================================== */

/* --- Display --- */
.flex        { display: flex; }
.grid        { display: grid; }
.hidden      { display: none; }
.block       { display: block; }
.inline-block { display: inline-block; }
.inline-flex { display: inline-flex; }

/* --- Flex --- */
.flex-col    { flex-direction: column; }
.flex-row    { flex-direction: row; }
.flex-wrap   { flex-wrap: wrap; }
.flex-1      { flex: 1 1 0%; }
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.justify-center  { justify-content: center; }
.justify-between { justify-content: space-between; }
.justify-start   { justify-content: flex-start; }

/* --- Gap --- */
.gap-2  { gap: var(--space-2); }
.gap-3  { gap: var(--space-3); }
.gap-4  { gap: var(--space-4); }
.gap-6  { gap: var(--space-6); }
.gap-8  { gap: var(--space-8); }
.gap-12 { gap: var(--space-12); }

/* --- Grid columns --- */
.grid-cols-1 { grid-template-columns: repeat(1, minmax(0, 1fr)); }
.grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }

/* --- Margin --- */
.m-auto  { margin: auto; }
.mx-auto { margin-left: auto; margin-right: auto; }

.mt-0  { margin-top: 0; }
.mt-2  { margin-top: var(--space-2); }
.mt-4  { margin-top: var(--space-4); }
.mt-6  { margin-top: var(--space-6); }
.mt-8  { margin-top: var(--space-8); }
.mt-10 { margin-top: var(--space-10); }
.mt-12 { margin-top: var(--space-12); }
.mt-16 { margin-top: var(--space-16); }
.mt-20 { margin-top: var(--space-20); }
.mt-24 { margin-top: var(--space-24); }

.mb-0  { margin-bottom: 0; }
.mb-2  { margin-bottom: var(--space-2); }
.mb-4  { margin-bottom: var(--space-4); }
.mb-6  { margin-bottom: var(--space-6); }
.mb-8  { margin-bottom: var(--space-8); }
.mb-10 { margin-bottom: var(--space-10); }
.mb-12 { margin-bottom: var(--space-12); }
.mb-16 { margin-bottom: var(--space-16); }
.mb-20 { margin-bottom: var(--space-20); }
.mb-24 { margin-bottom: var(--space-24); }

.ml-2    { margin-left: var(--space-2); }
.ml-auto { margin-left: auto; }
.mr-auto { margin-right: auto; }

/* --- Padding --- */
.p-2  { padding: var(--space-2); }
.p-4  { padding: var(--space-4); }
.p-6  { padding: var(--space-6); }
.p-8  { padding: var(--space-8); }
.p-10 { padding: var(--space-10); }
.p-12 { padding: var(--space-12); }
.p-16 { padding: var(--space-16); }
.p-20 { padding: var(--space-20); }
.p-24 { padding: var(--space-24); }

.px-2  { padding-left: var(--space-2); padding-right: var(--space-2); }
.px-4  { padding-left: var(--space-4); padding-right: var(--space-4); }
.px-6  { padding-left: var(--space-6); padding-right: var(--space-6); }
.px-8  { padding-left: var(--space-8); padding-right: var(--space-8); }
.px-12 { padding-left: var(--space-12); padding-right: var(--space-12); }

.py-2  { padding-top: var(--space-2); padding-bottom: var(--space-2); }
.py-4  { padding-top: var(--space-4); padding-bottom: var(--space-4); }
.py-6  { padding-top: var(--space-6); padding-bottom: var(--space-6); }
.py-8  { padding-top: var(--space-8); padding-bottom: var(--space-8); }
.py-10 { padding-top: var(--space-10); padding-bottom: var(--space-10); }
.py-12 { padding-top: var(--space-12); padding-bottom: var(--space-12); }
.py-16 { padding-top: var(--space-16); padding-bottom: var(--space-16); }
.py-20 { padding-top: var(--space-20); padding-bottom: var(--space-20); }
.py-24 { padding-top: var(--space-24); padding-bottom: var(--space-24); }

.pt-0  { padding-top: 0; }
.pt-4  { padding-top: var(--space-4); }
.pt-8  { padding-top: var(--space-8); }
.pt-12 { padding-top: var(--space-12); }
.pt-16 { padding-top: var(--space-16); }
.pt-20 { padding-top: var(--space-20); }

.pb-0  { padding-bottom: 0; }
.pb-4  { padding-bottom: var(--space-4); }
.pb-8  { padding-bottom: var(--space-8); }
.pb-12 { padding-bottom: var(--space-12); }
.pb-16 { padding-bottom: var(--space-16); }
.pb-20 { padding-bottom: var(--space-20); }

/* --- Typography utilities --- */
.text-xs   { font-size: var(--text-xs); }
.text-sm   { font-size: var(--text-sm); }
.text-base { font-size: var(--text-base); }
.text-lg   { font-size: var(--text-lg); }
.text-xl   { font-size: var(--text-xl); }
.text-2xl  { font-size: var(--text-2xl); }
.text-3xl  { font-size: var(--text-3xl); }
.text-4xl  { font-size: var(--text-4xl); }
.text-5xl  { font-size: var(--text-5xl); }

.font-bold     { font-weight: 700; }
.font-semibold { font-weight: 600; }
.font-medium   { font-weight: 500; }

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

.uppercase  { text-transform: uppercase; }

.leading-tight   { line-height: 1.25; }
.leading-normal  { line-height: 1.5; }
.leading-relaxed { line-height: 1.625; }
.leading-loose   { line-height: 2; }

/* --- Color utilities --- */
.text-primary { color: var(--color-primary); }
.text-accent  { color: var(--color-accent); }
.text-white   { color: var(--color-white); }
.text-light   { color: var(--color-text-light); }
.text-dark    { color: var(--color-text); }

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

.border-primary { border-color: var(--color-primary); }
.border-light   { border-color: var(--color-border); }

/* --- Sizing --- */
.w-full       { width: 100%; }
.h-full       { height: 100%; }
.min-h-screen { min-height: 100vh; }

.max-w-screen-lg { max-width: 1024px; }
.max-w-prose     { max-width: 65ch; }

/* --- Borders & Shadows --- */
.rounded      { border-radius: var(--rounded); }
.rounded-lg   { border-radius: var(--rounded-lg); }
.rounded-xl   { border-radius: var(--rounded-xl); }

.shadow-sm { box-shadow: var(--shadow-sm); }
.shadow    { box-shadow: var(--shadow); }
.shadow-md { box-shadow: var(--shadow-md); }
.shadow-lg { box-shadow: var(--shadow-lg); }

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

/* --- Position --- */
.relative { position: relative; }
.absolute { position: absolute; }
.fixed    { position: fixed; }

.inset-0  { top: 0; right: 0; bottom: 0; left: 0; }
.top-0    { top: 0; }
.left-0   { left: 0; }
.right-0  { right: 0; }
.bottom-0 { bottom: 0; }

.z-10 { z-index: 10; }
.z-50 { z-index: 50; }

/* --- Overflow --- */
.overflow-hidden   { overflow: hidden; }

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

/* --- Transitions --- */
.transition {
  transition-property: color, background-color, border-color, box-shadow, opacity;
  transition-duration: 0.2s;
  transition-timing-function: ease;
}

.transition-all {
  transition-property: all;
  transition-duration: 0.2s;
  transition-timing-function: ease;
}

.duration-300 { transition-duration: 0.3s; }


/* ==========================================================================
   5. HOVER / FOCUS UTILITIES
   ========================================================================== */

.hover\:shadow-lg:hover {
  box-shadow: var(--shadow-lg);
}

.hover\:-translate-y-1:hover {
  transform: translateY(-0.25rem);
}

.focus\:ring:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}


/* ==========================================================================
   6. RESPONSIVE UTILITIES (md: 768px)
   ========================================================================== */

@media (min-width: 768px) {
  /* Grid columns */
  .md\:grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .md\:grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }

  /* Flex direction */
  .md\:flex-row { flex-direction: row; }

  /* Display */
  .md\:hidden       { display: none; }
  .md\:block        { display: block; }
  .md\:flex         { display: flex; }

  /* Text alignment */
  .md\:text-left   { text-align: left; }

  /* Padding */
  .md\:px-8  { padding-left: var(--space-8); padding-right: var(--space-8); }
}


/* ==========================================================================
   7. PAGE-LEVEL STYLES
   ========================================================================== */

/* --- Site nav --- */
.site-nav {
  background: transparent;
  transition: background-color var(--transition-slow), box-shadow var(--transition-slow);
}

.site-nav.scrolled {
  background-color: var(--color-white);
  box-shadow: var(--nav-scroll-shadow);
}

.site-nav.scrolled .hamburger span {
  background-color: var(--color-text);
}

/* When menu is open, X lines are always white (over dark overlay) */
.site-nav .hamburger.active span {
  background-color: var(--color-white);
}

.site-nav.scrolled .site-logo {
  color: var(--color-text);
}

/* Mobile: nav-menu links are always white (dark overlay bg) */
.nav-menu .nav-link,
.nav-menu .btn-primary {
  color: var(--color-white);
}

@media (min-width: 1024px) {
  .hamburger { display: none; }

  .nav-menu {
    position: static;
    flex-direction: row;
    background: transparent;
    transform: none;
    gap: var(--space-6);
    display: flex;
    align-items: center;
    padding: 0;
  }

  /* Desktop: links inherit color from parent (white on hero, dark when scrolled) */
  .nav-menu .nav-link { color: inherit; font-size: var(--text-base); }
  .nav-menu .btn-primary { color: var(--color-white); }

  .site-nav.scrolled .nav-link { color: var(--color-text); }
  .site-nav.scrolled .btn-primary { color: var(--color-white); }
}

/* --- Scroll reveal --- */
.reveal-on-scroll {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal-on-scroll.revealed {
  opacity: 1;
  transform: translateY(0);
}