/* YELLS, Inc. - Website Stylesheet */
/* Youth Empowerment through Learning, Leading, & Serving */

/* ============================================
   CSS Variables / Design Tokens
   ============================================ */
:root {
  /* Colors */
  --yells-primary: #376092;
  --yells-primary-light: #6fa4e1;
  --yells-primary-dark: #194274;
  --yells-primary-mid: #4f78aa;
  --yells-background: #FFFaFa;
  --yells-text: #444444;
  --yells-text-light: #666666;
  --yells-gray-light: #F7F7F7;
  --yells-gray: #eeeeee;
  --yells-overlay: rgba(37, 60, 92, 0.7);
  --yells-quote: #457AB5;

  /* Typography */
  --font-body: "Open Sans", system-ui, -apple-system, sans-serif;
  --font-heading: "Roboto Slab", Georgia, serif;
  --font-display: "Gill Sans", Calibri, "Trebuchet MS", sans-serif;

  /* Spacing */
  --max-width: 1150px;
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 3rem;
  --spacing-xl: 4rem;

  /* Transitions */
  --transition: 0.3s ease;
}

/* ============================================
   Reset & Base Styles
   ============================================ */
*, *::before, *::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.7;
  color: var(--yells-text);
  background-color: var(--yells-background);
}

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

a {
  color: var(--yells-primary);
  text-decoration: none;
  transition: color var(--transition);
}

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

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--yells-primary-dark);
  line-height: 1.3;
  margin-top: 0;
}

h1 { font-size: 2.526em; }
h2 { font-size: 2.105em; }
h3 { font-size: 1.579em; }
h4 { font-size: 1.316em; }
h5 { font-size: 1.053em; }
h6 { font-size: 0.906em; }

/* ============================================
   Layout
   ============================================ */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.section {
  padding: var(--spacing-lg) 0;
}

.section--gray {
  background-color: var(--yells-gray-light);
}

/* ============================================
   Header
   ============================================ */
.header {
  background-color: white;
  border-bottom: 1px solid var(--yells-gray);
}

.header__top {
  background-color: var(--yells-primary-dark);
  padding: var(--spacing-xs) 0;
}

.header__social {
  display: flex;
  justify-content: flex-end;
  gap: var(--spacing-sm);
}

.header__social a {
  color: white;
  font-size: 0.9rem;
  opacity: 0.9;
}

.header__social a:hover {
  opacity: 1;
  color: var(--yells-primary-light);
}

.header__main {
  padding: var(--spacing-md) 0;
  text-align: center;
}

.header__logo {
  max-width: 300px;
  margin: 0 auto;
}

/* ============================================
   Navigation
   ============================================ */
.nav {
  background-color: var(--yells-primary);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.nav__container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.nav__toggle {
  display: none;
  background: none;
  border: none;
  color: white;
  font-size: 1.5rem;
  padding: var(--spacing-sm);
  cursor: pointer;
}

.nav__menu {
  display: flex;
  justify-content: center;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav__item {
  position: relative;
}

.nav__link {
  display: block;
  color: white;
  padding: var(--spacing-sm) 1.25rem;
  font-size: 1rem;
  font-weight: 600;
  transition: background-color var(--transition);
  border-right: 1px solid rgba(255, 255, 255, 0.2);
}

.nav__item:first-child .nav__link {
  border-left: 1px solid rgba(255, 255, 255, 0.2);
}

.nav__link:hover,
.nav__link--active {
  background-color: var(--yells-primary-dark);
  color: white;
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
  position: relative;
  background-color: var(--yells-primary-dark);
  overflow: hidden;
}

.hero__image {
  width: 100%;
  height: 400px;
  object-fit: cover;
  border: 10px solid white;
}

.hero__content {
  position: absolute;
  bottom: 30px;
  right: 30px;
  background-color: var(--yells-overlay);
  padding: var(--spacing-md);
  max-width: 500px;
  border-radius: 4px;
}

.hero__title {
  color: white;
  font-size: 2rem;
  margin-bottom: var(--spacing-xs);
}

.hero__text {
  color: white;
  margin: 0;
  font-size: 1.1rem;
}

/* Page Banner */
.page-banner {
  position: relative;
  height: 250px;
  overflow: hidden;
}

.page-banner__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-banner__overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(to bottom, rgba(0,0,0,0.2), rgba(0,0,0,0.5));
  display: flex;
  align-items: center;
  justify-content: center;
}

.page-banner__title {
  color: white;
  font-size: 2.5rem;
  text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
  margin: 0;
}

/* ============================================
   Mission Section
   ============================================ */
.mission {
  text-align: center;
  padding: var(--spacing-xl) var(--spacing-md);
  background-color: white;
}

.mission__text {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  color: var(--yells-primary);
  max-width: 900px;
  margin: 0 auto;
  line-height: 1.5;
}

/* ============================================
   Program Cards
   ============================================ */
.programs-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-md);
  padding: var(--spacing-lg) 0;
}

.program-card {
  position: relative;
  overflow: hidden;
  border-radius: 8px;
  aspect-ratio: 4/3;
  cursor: pointer;
}

.program-card__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition);
}

.program-card__overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--yells-overlay);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: var(--spacing-md);
  opacity: 0;
  transition: opacity var(--transition);
}

.program-card:hover .program-card__overlay {
  opacity: 1;
}

.program-card:hover .program-card__image {
  transform: scale(1.05);
}

.program-card__title {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--spacing-sm) var(--spacing-md);
  background: linear-gradient(transparent, rgba(0,0,0,0.8));
  color: white;
  font-family: var(--font-heading);
  font-size: 1.25rem;
  margin: 0;
}

.program-card__description {
  color: white;
  text-align: center;
  margin-bottom: var(--spacing-sm);
}

.program-card__link {
  color: white;
  border: 2px solid white;
  padding: var(--spacing-xs) var(--spacing-md);
  border-radius: 4px;
  font-weight: 600;
  transition: all var(--transition);
}

.program-card__link:hover {
  background-color: white;
  color: var(--yells-primary);
}

/* ============================================
   CTA Cards (Volunteer, Donate, Work)
   ============================================ */
.cta-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-md);
  padding: var(--spacing-lg) 0;
}

.cta-card {
  position: relative;
  overflow: hidden;
  border-radius: 8px;
  aspect-ratio: 4/3;
  display: flex;
  align-items: center;
  justify-content: center;
}

.cta-card__image {
  position: absolute;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 1;
}

.cta-card__overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--yells-overlay);
  z-index: 2;
  transition: background var(--transition);
}

.cta-card:hover .cta-card__overlay {
  background: rgba(37, 60, 92, 0.85);
}

.cta-card__content {
  position: relative;
  z-index: 3;
  text-align: center;
  padding: var(--spacing-md);
}

.cta-card__title {
  color: white;
  font-size: 1.5rem;
  margin-bottom: var(--spacing-sm);
}

.cta-card__link {
  display: inline-block;
  background-color: white;
  color: var(--yells-primary);
  padding: var(--spacing-xs) var(--spacing-md);
  border-radius: 4px;
  font-weight: 600;
  transition: all var(--transition);
}

.cta-card__link:hover {
  background-color: var(--yells-primary-light);
  color: white;
}

/* ============================================
   Buttons
   ============================================ */
.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  font-size: 1rem;
  font-weight: 600;
  text-align: center;
  border-radius: 4px;
  transition: all var(--transition);
  cursor: pointer;
  border: none;
}

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

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

.btn--secondary {
  background-color: transparent;
  color: var(--yells-primary);
  border: 2px solid var(--yells-primary);
}

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

.btn--large {
  padding: 1rem 2rem;
  font-size: 1.125rem;
}

/* ============================================
   Content Sections
   ============================================ */
.content {
  padding: var(--spacing-lg) 0;
}

.content__title {
  margin-bottom: var(--spacing-md);
}

.content p {
  margin-bottom: var(--spacing-sm);
}

/* Two Column Layout */
.two-column {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: var(--spacing-lg);
}

.two-column__main {
  min-width: 0;
}

.two-column__sidebar {
  min-width: 0;
}

/* ============================================
   Sidebar
   ============================================ */
.sidebar-widget {
  background-color: var(--yells-gray-light);
  padding: var(--spacing-md);
  border-radius: 8px;
  margin-bottom: var(--spacing-md);
}

.sidebar-widget__title {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-sm);
  padding-bottom: var(--spacing-xs);
  border-bottom: 2px solid var(--yells-primary);
}

.donate-widget {
  background-color: var(--yells-primary);
  color: white;
  text-align: center;
}

.donate-widget__title {
  color: white;
  border-bottom-color: white;
}

.donate-widget__text {
  margin-bottom: var(--spacing-sm);
}

.donate-widget .btn {
  background-color: white;
  color: var(--yells-primary);
  width: 100%;
}

.donate-widget .btn:hover {
  background-color: var(--yells-primary-light);
  color: white;
}

/* Testimonials */
.testimonial {
  font-style: italic;
  position: relative;
  padding-left: var(--spacing-md);
}

.testimonial::before {
  content: '"';
  font-size: 3rem;
  color: var(--yells-quote);
  position: absolute;
  left: 0;
  top: -10px;
  font-family: Georgia, serif;
}

.testimonial__text {
  margin-bottom: var(--spacing-xs);
  color: var(--yells-text-light);
}

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

/* ============================================
   Staff Grid
   ============================================ */
.staff-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: var(--spacing-md);
}

.staff-card {
  text-align: center;
}

.staff-card__image {
  width: 150px;
  height: 150px;
  border-radius: 50%;
  object-fit: cover;
  margin: 0 auto var(--spacing-sm);
  border: 4px solid var(--yells-primary);
}

.staff-card__name {
  font-size: 1.125rem;
  margin-bottom: var(--spacing-xs);
}

.staff-card__title {
  color: var(--yells-text-light);
  font-size: 0.9rem;
}

/* ============================================
   Partners Grid
   ============================================ */
.partners-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: var(--spacing-md);
  align-items: center;
}

.partner-logo {
  max-height: 100px;
  width: auto;
  margin: 0 auto;
  filter: grayscale(30%);
  transition: filter var(--transition);
}

.partner-logo:hover {
  filter: grayscale(0%);
}

/* ============================================
   Program Detail
   ============================================ */
.program-detail {
  padding: var(--spacing-lg) 0;
}

.program-detail__image {
  width: 100%;
  border-radius: 8px;
  margin-bottom: var(--spacing-md);
}

.program-detail__collage {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-sm);
  margin: var(--spacing-md) 0;
}

.program-detail__collage img {
  border-radius: 4px;
}

/* ============================================
   Contact Form
   ============================================ */
.contact-form {
  max-width: 600px;
}

.form-group {
  margin-bottom: var(--spacing-md);
}

.form-group label {
  display: block;
  margin-bottom: var(--spacing-xs);
  font-weight: 600;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid var(--yells-gray);
  border-radius: 4px;
  font-family: inherit;
  font-size: 1rem;
  transition: border-color var(--transition);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--yells-primary);
}

.form-group textarea {
  min-height: 150px;
  resize: vertical;
}

/* Contact Info */
.contact-info {
  background-color: var(--yells-gray-light);
  padding: var(--spacing-md);
  border-radius: 8px;
}

.contact-info__item {
  display: flex;
  align-items: flex-start;
  margin-bottom: var(--spacing-sm);
}

.contact-info__icon {
  width: 24px;
  margin-right: var(--spacing-sm);
  color: var(--yells-primary);
}

/* ============================================
   News/Blog Cards
   ============================================ */
.news-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--spacing-md);
}

.news-card {
  background-color: white;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
  transition: transform var(--transition), box-shadow var(--transition);
}

.news-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 4px 16px rgba(0,0,0,0.15);
}

.news-card__image {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.news-card__content {
  padding: var(--spacing-md);
}

.news-card__date {
  color: var(--yells-text-light);
  font-size: 0.875rem;
  margin-bottom: var(--spacing-xs);
}

.news-card__title {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-xs);
}

.news-card__excerpt {
  color: var(--yells-text-light);
  margin-bottom: var(--spacing-sm);
}

/* ============================================
   Footer
   ============================================ */
.footer {
  background-color: var(--yells-gray-light);
  padding: var(--spacing-lg) 0 var(--spacing-md);
  margin-top: var(--spacing-lg);
}

.footer__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

.footer__title {
  font-family: var(--font-display);
  font-size: 1.125rem;
  margin-bottom: var(--spacing-sm);
  color: var(--yells-primary);
}

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

.footer__links li {
  margin-bottom: var(--spacing-xs);
}

.footer__links a {
  color: var(--yells-text);
}

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

.footer__social {
  display: flex;
  gap: var(--spacing-sm);
}

.footer__social a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background-color: var(--yells-primary);
  color: white;
  border-radius: 50%;
  transition: background-color var(--transition);
}

.footer__social a:hover {
  background-color: var(--yells-primary-dark);
  color: white;
}

.footer__bottom {
  text-align: center;
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--yells-gray);
  color: var(--yells-text-light);
  font-size: 0.875rem;
}

/* ============================================
   Utility Classes
   ============================================ */
.text-center { text-align: center; }
.text-primary { color: var(--yells-primary); }
.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }
.mt-2 { margin-top: var(--spacing-md); }
.mt-3 { margin-top: var(--spacing-lg); }

/* ============================================
   Responsive Design
   ============================================ */
@media (max-width: 1024px) {
  .programs-grid,
  .cta-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .two-column {
    grid-template-columns: 1fr;
  }

  .two-column__sidebar {
    order: -1;
  }

  .nav__toggle {
    display: block;
  }

  .nav__menu {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--yells-primary);
  }

  .nav__menu--open {
    display: flex;
  }

  .nav__link {
    border-right: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
  }

  .nav__item:first-child .nav__link {
    border-left: none;
  }

  .hero__content {
    position: relative;
    bottom: auto;
    right: auto;
    max-width: none;
    border-radius: 0;
  }

  .hero__image {
    height: 250px;
  }

  .page-banner {
    height: 180px;
  }

  .page-banner__title {
    font-size: 1.75rem;
  }

  .mission__text {
    font-size: 1.35rem;
  }

  .footer__grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 600px) {
  body {
    font-size: 16px;
  }

  h1 { font-size: 2rem; }
  h2 { font-size: 1.75rem; }
  h3 { font-size: 1.35rem; }

  .container {
    padding: 0 var(--spacing-sm);
  }

  .programs-grid,
  .cta-grid {
    grid-template-columns: 1fr;
  }

  .staff-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .header__logo {
    max-width: 200px;
  }
}

/* ============================================
   Demo Site Banner
   ============================================ */
.demo-banner {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 9999;
  background-color: #b45309;
  color: white;
  text-align: center;
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
  font-weight: 600;
  font-family: var(--font-body);
}

.demo-banner__link {
  color: white;
  text-decoration: underline;
  margin-left: 0.25rem;
}

.demo-banner__link:hover {
  color: #fef3c7;
}

body.has-demo-banner {
  padding-top: 36px;
}

body.has-demo-banner .nav {
  top: 36px;
}