/* ===== CSS VARIABLES ===== */
:root {
  /* Colors - MyMaine.gov Theme */
  --primary-blue: #194567;
  --dark-blue: #0f2d3f; /* button hover */
  --light-blue: #00A4DA; /* chatbot accent */
  --light-green: #8ab87a; /* content left */
  --white: #ffffff; /* header, footer, chatbot */
  --black: #000000; /* text */
  --gray: #6b7280; /* form input border */
  --dark-gray: #404041; /* chatbot question, content right */
  --brown: #916f4b; /* h4 subtitle */
  --light-gray-bg: #e5e7eb; /* chatbot bubble */
  --medium-gray: #9ca3af; /* chatbot question */
  
  /* Typography */
  --font-family: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  
  /* Spacing */
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 4rem;
  
  /* Border Radius */
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
}

/* ===== RESET & BASE STYLES ===== */
* {
  box-sizing: border-box;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-lg);
  line-height: 1.5;
  color: var(--black);
  margin: 0;
  padding: 0;
  background-color: var(--white);
}

.container {
  max-width: 1440px;
  margin-inline: auto;
  padding: 0 var(--spacing-md);
  padding-inline: clamp(var(--spacing-md), 4vw, var(--spacing-xl));
}

.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;
}

/* ===== HEADER ===== */
.header {
  position: relative;
  background-color: var(--white);
  padding-block: var(--spacing-md);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  z-index: 100;
}

.welcome-text {
  text-align: center;
  padding-block-start: var(--spacing-lg);
  padding-block-end: var(--spacing-sm);
}

.welcome-text h1 {
  margin: 0;
  font-weight: 500;
  font-size: clamp(var(--font-size-lg), 2vw, var(--font-size-2xl));
  line-height: 1.2;
}

.welcome-text p {
  margin: 0;
}

.logo-img {
  block-size: 1.5rem;
  inline-size: auto;
  object-fit: contain;
}

.contact-btn {
  background-color: var(--primary-blue);
  color: var(--white);
  border: none;
  padding-block: var(--spacing-sm);
  padding-inline: var(--spacing-lg);
  border-radius: var(--radius-md);
  font-size: var(--font-size-base);
  transition: background-color 0.3s ease;
  text-decoration: none;
}

.contact-btn:hover {
  background-color: var(--dark-blue);
  text-decoration: underline;
}

.contact-btn:focus {
  outline: 2px dashed var(--light-blue);
  outline-offset: 4px;
}

/* ===== HERO SECTION ===== */
.hero {
  position: relative;
  min-height: 60vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-background {
  position: absolute;
  inset: 0;
  z-index: -1;
}

.hero-bg-img {
  inline-size: 100%;
  block-size: 100%;
  object-fit: cover;
}

.hero-content {
  text-align: start;
  max-inline-size: 1440px;
  margin-inline: auto;
  padding-block: clamp(3rem, 5vw, 6rem);
}

.hero-white-box {
  position: relative;
  background-color: var(--white);
  padding-block: clamp(3rem, 5vw, 6rem);
  padding-inline: clamp(1.5rem, 4vw, 3rem);
  border-radius: var(--radius-xl);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
  margin-inline: auto;
  inline-size: 100%;
  opacity: 0.95;
}

.hero-logo-img {
  position: absolute;
  inset-block-start: -3rem;
  inset-inline-start: 50%;
  transform: translateX(-50%);
  block-size: 150px;
  inline-size: auto;
  object-fit: contain;
}

.hero-heading {
  font-size: var(--font-size-xl);
  color: var(--dark-gray);
  text-align: center;
}

/* ===== CONTENT GRID ===== */
.content-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-xl);
  align-items: start;
  margin-block-start: 5rem; /* extra space between hero and content */
}

.content-left {
  background-color: var(--light-green);
  padding-block-end: var(--spacing-2xl);
  padding-inline: clamp(var(--spacing-md), 3vw, var(--spacing-xl));
  border-radius: var(--radius-xl);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
  opacity: 0.95;
}

.content-right {
  display: grid;
}

.content-right h2 {
  margin-block-end: 0;
}

.content-title {
  font-size: var(--font-size-2xl);
  color: var(--dark-gray);
}

.content-text {
  font-size: var(--font-size-lg);
  color: var(--black);
  margin-block-end: var(--spacing-lg);
  max-width: 750px;
}

.text-box {
  background-color: var(--white);
  color: var(--black);
  padding-inline: clamp(var(--spacing-md), 3vw, var(--spacing-xl));
  padding-block: clamp(var(--spacing-md), 3vw, var(--spacing-xl));
  border-radius: var(--radius-lg);
  text-align: left;
}

.text-box p {
  margin-block-end: var(--spacing-md);
}

.text-box p:first-of-type { /* added 9-04-Tim */
  margin-block-start: 0; }

.text-box p:last-child {
  margin-block-end: 0;
}

.matters-subtitle {
  color: var(--brown);
  font-size: var(--font-size-lg);
  font-weight: bold;
  margin: 0;
}

/* ===== CHATBOT SECTION ===== */
.chatbot-box {
  position: relative;
  background-color: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  margin-block-end: var(--spacing-xl);
  max-inline-size: 100%;
}

.chatbot-accent {
  block-size: 3rem;
  inline-size: 100%;
  background-color: var(--light-blue);
  border-start-end-radius: var(--radius-lg);
}

.chatbot-content {
  padding-inline: clamp(var(--spacing-md), 3vw, var(--spacing-xl));
  padding-block: clamp(var(--spacing-md), 3vw, var(--spacing-xl));
  margin-block-end: var(--spacing-lg);
}

.chatbot-container {
  margin-block-end: var(--spacing-lg);
  padding-inline-start: var(--spacing-md);
}

.chatbot-icon {
  flex-shrink: 0;
  background-color: var(--white);
  border-radius: 50%;
  padding: var(--spacing-sm);
  inline-size: 75px;
  block-size: 75px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
  position: absolute;
  top: -1rem;
  left: -1rem;
}

.chatbot-img {
  inline-size: 55px;
  block-size: 55px;
  object-fit: contain;
}

.chatbot-bubble {
  position: relative;
  background-color: var(--light-gray-bg);
  color: var(--black);
  padding-inline: var(--spacing-md);
  padding-block: var(--spacing-md);
  border-radius: var(--radius-lg);
}

.chatbot-bubble::before {
  content: '';
  position: absolute;
  left: -10px;
  top: 15px;
  width: 0;
  height: 0;
  border-top: 10px solid transparent;
  border-bottom: 10px solid transparent;
  border-right: 10px solid var(--light-gray-bg);
}

.chatbot-bubble p,
.chatbot-answer p,
.chatbot-question p {
  margin: 0;
}

.chatbot-question {
  background-color: var(--medium-gray);
  padding: var(--spacing-md);
  border-radius: var(--radius-lg);
  margin-block-end: var(--spacing-md);
}

.chatbot-question p {
  font-weight: bold;
}

.chatbot-answer {
  background-color: var(--light-gray-bg);
  padding: var(--spacing-md);
  border-radius: var(--radius-lg);
}

/* ===== PINE TREES ===== */
.pine-trees {
  position: absolute;
  bottom: 0;
  left: 0;
  height: 12rem;
  z-index: 10;
  opacity: 50%;
  margin-block-start: var(--spacing-2xl);
}

.pine-trees-img {
  display: block;
  width: 90%;
  height: 100%;
  object-fit: contain;
  object-position: bottom;
}

/* ===== COMBINED SIGNUP AND FOOTER SECTION ===== */
.signup-footer-section {
  background-color: var(--primary-blue);
  color: var(--white);
  padding-block: var(--spacing-2xl);
}

.signup-footer-content {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(var(--spacing-xl), 3vw, var(--spacing-3xl));
  align-items: center;
  justify-items: center;
  text-align: center;
  max-inline-size: 1200px;
  margin-inline: auto;
}

.signup-column {
  text-align: left;
}

.signup-title {
  font-size: var(--font-size-xl);
  font-weight: bold;
  color: var(--white);
  margin-block-end: var(--spacing-xl);
}

.signup-form {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.form-group {
  inline-size: 100%;
  max-inline-size: 400px;
}

.form-group input {
  inline-size: 100%;
  padding-inline: var(--spacing-md);
  padding-block: var(--spacing-md);
  border: 1px solid var(--gray);
  border-radius: var(--radius-md);
  font-size: var(--font-size-base);
  transition: border-color 0.3s ease;
}

.form-group input:focus {
  outline: 2px dashed var(--light-blue);
  outline-offset: 4px;
  border-color: var(--white);
}

.submit-btn {
  background-color: transparent;
  color: var(--white);
  border: 1px solid var(--white);
  padding-inline: var(--spacing-xl);
  padding-block: var(--spacing-md);
  border-radius: var(--radius-md);
  font-size: var(--font-size-base);
  font-weight: 500;
  cursor: pointer;
  transition: background-color 0.3s ease;
  inline-size: fit-content;
}

.submit-btn:hover {
  background-color: var(--white);
  text-decoration: underline;
  color: var(--primary-blue);
}

.submit-btn:focus {
  outline: 2px dashed var(--light-blue);
  outline-offset: 4px;
}

.footer-logo {
  margin-block-end: var(--spacing-lg);
}

.footer-logo-img {
  block-size: 2rem;
  inline-size: auto;
  object-fit: contain;
}

.footer-contact p {
  margin-block: var(--spacing-sm);
}

/* ===== RESPONSIVE DESIGN ===== */

/* Tablet (768px and up) */
@media (min-width: 768px) {

  .header-content {
    gap: 0;
  }
  
  .logo {
    flex-direction: row;
    gap: var(--spacing-lg);
  }
  
  .welcome-text {
    position: relative;
  }
  
  .welcome-text::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100vw;
    height: 1px;
    background-color: var(--light-gray-bg); 
    z-index: -1;
  }

  .hero-logo-img {
    height: 120px;
    top: -2rem;
  }
  
  .chatbot-container {
    padding-inline-start: var(--spacing-md);
  }
  
  .pine-trees {
    inline-size: 50%;
    block-size: 18rem;
  }
}

/* Desktop (1024px and up) */
@media (min-width: 1024px) {

  .hero-white-box {
    padding-block-end: 0;
  }

  .content-grid {
    grid-template-columns: 425px 1fr;
    gap: var(--spacing-3xl);
    margin-top: var(--spacing-3xl);
  }
  
  .content-left {
    padding-inline: var(--spacing-2xl);
    padding-block-end: var(--spacing-3xl);
  }
  
  .chatbot-box {
    max-inline-size: 75%;
    justify-self: end;
    margin-block: var(--spacing-xl);
  }
  
  .chatbot-container {
    padding-inline-start: var(--spacing-md);
  }
  
  .pine-trees {
    width: 50%;
    height: 25rem;
  }
}

/* Large Desktop (1200px and up) */
@media (min-width: 1200px) {
  
  .hero-logo-img {
    height: 150px;
    top: -3rem;
  }
  
  .chatbot-icon {
    width: 120px;
    height: 120px;
    top: -1rem;
    left: -3rem;
  }
  
  .chatbot-img {
    width: 100px;
    height: 100px;
  }
  
  .pine-trees {
    width: 55%;
  }
}

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

/* Focus styles for accessibility */
button:focus,
input:focus,
textarea:focus {
  outline: 2px dashed var(--light-blue);
  outline-offset: 4px;
}