/* ===========================
   Variables & Root Styles
   =========================== */
:root {
  /* Light Mode Colors */
  --bg-primary-light: #ffffff;
  --bg-secondary-light: #f8f7fc;
  --text-primary-light: #2c2c2c;
  --text-secondary-light: #5c5c5c;
  --border-light: #e1dff2;

  /* Dark Mode Colors */
  --bg-primary-dark: #1a1a1a;
  --bg-secondary-dark: #242424;
  --text-primary-dark: #e8e8e8;
  --text-secondary-dark: #b8b8b8;
  --border-dark: #3a3a3a;

  /* Brand Purple */
  --purple-primary: #9b87f5;
  --purple-hover: #8b75e8;
  --purple-light: #b5a5f9;
  --purple-dark: #7b67d5;
}

/* ===========================
   Base Styles
   =========================== */
* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  line-height: 1.7;
  transition: background-color 0.3s ease, color 0.3s ease;
}

/* Light Mode (default for toggle, but body starts with dark-mode class) */
body {
  background-color: var(--bg-primary-light);
  color: var(--text-primary-light);
}

/* Dark Mode */
body.dark-mode {
  background-color: var(--bg-primary-dark);
  color: var(--text-primary-dark);
}

/* ===========================
   Theme Toggle Button
   =========================== */
.theme-toggle {
  position: fixed;
  top: 2rem;
  right: 2rem;
  z-index: 1000;
  background: transparent;
  border: 2px solid var(--purple-primary) !important;
  border-radius: 50% !important;
  width: 50px;
  height: 50px;
  min-width: 50px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  transition: all 0.3s ease;
  padding: 0;
}

.theme-toggle:hover {
  background-color: var(--purple-primary);
  transform: scale(1.1);
  border-color: var(--purple-primary);
}

.theme-icon::before {
  content: '🌙';
}

body.dark-mode .theme-icon::before {
  content: '☀️';
}

/* ===========================
   Typography
   =========================== */
h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  margin-top: 0;
  color: var(--text-primary-light);
}

body.dark-mode h1,
body.dark-mode h2,
body.dark-mode h3,
body.dark-mode h4,
body.dark-mode h5,
body.dark-mode h6 {
  color: var(--text-primary-dark);
}

a {
  color: var(--purple-primary);
  text-decoration: none;
  transition: color 0.2s ease;
}

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

/* ===========================
   Buttons
   =========================== */
.button,
button,
input[type="submit"],
input[type="button"] {
  background-color: transparent;
  border: 2px solid var(--purple-primary);
  color: var(--purple-primary);
  transition: all 0.3s ease;
  line-height: 1.5;
  display: inline-block;
  text-align: center;
}

.button:hover,
button:hover,
input[type="submit"]:hover,
input[type="button"]:hover {
  background-color: var(--purple-primary);
  border-color: var(--purple-primary);
  color: white;
}

.button-primary,
input[type="submit"].button-primary {
  background-color: var(--purple-primary);
  border-color: var(--purple-primary);
  color: white;
  font-weight: 500;
  padding: 0.75rem 2rem;
  font-size: 1.1rem;
  line-height: 1.5;
}

.button-primary:hover,
input[type="submit"].button-primary:hover {
  background-color: var(--purple-hover);
  border-color: var(--purple-hover);
}

/* ===========================
   Form Elements
   =========================== */
input[type="email"],
input[type="text"],
textarea {
  background-color: var(--bg-primary-light);
  border: 2px solid var(--border-light);
  color: var(--text-primary-light);
  transition: all 0.3s ease;
}

body.dark-mode input[type="email"],
body.dark-mode input[type="text"],
body.dark-mode textarea {
  background-color: var(--bg-secondary-dark);
  border-color: var(--border-dark);
  color: var(--text-primary-dark);
}

input[type="email"]:focus,
input[type="text"]:focus,
textarea:focus {
  border-color: var(--purple-primary);
  outline: none;
}

label {
  font-weight: 500;
  color: var(--text-primary-light);
}

body.dark-mode label {
  color: var(--text-primary-dark);
}

/* ===========================
   Hero Section
   =========================== */
.hero {
  padding: 8rem 0 6rem;
  text-align: center;
}

.logo {
  font-size: 3.5rem;
  font-weight: 700;
  color: var(--purple-primary);
  margin-bottom: 0.5rem;
}

.tagline {
  font-size: 1.3rem;
  color: var(--text-secondary-light);
  margin-bottom: 3rem;
}

body.dark-mode .tagline {
  color: var(--text-secondary-dark);
}

.hero-content {
  margin-top: 3rem;
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  line-height: 1.2;
}

.hero-subhead {
  font-size: 1.4rem;
  color: var(--text-secondary-light);
  margin-bottom: 2rem;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

body.dark-mode .hero-subhead {
  color: var(--text-secondary-dark);
}

.hero-supporting {
  margin-top: 2rem;
  font-size: 1.1rem;
  color: var(--text-secondary-light);
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

body.dark-mode .hero-supporting {
  color: var(--text-secondary-dark);
}

/* ===========================
   Sections
   =========================== */
.section {
  padding: 5rem 0;
}

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

body.dark-mode .section-alt {
  background-color: var(--bg-secondary-dark);
}

.section-title {
  text-align: center;
  font-size: 2.5rem;
  margin-bottom: 3rem;
  color: var(--purple-primary);
}

/* ===========================
   Service Cards
   =========================== */
.service-card {
  padding: 2rem;
  border-radius: 8px;
  border: 2px solid var(--purple-primary);
  margin-bottom: 2rem;
  transition: all 0.3s ease;
  height: 100%;
  background-color: var(--bg-primary-light);
}

body.dark-mode .service-card {
  border-color: var(--purple-primary);
  background-color: var(--bg-primary-dark);
}

.service-card:hover {
  border-color: var(--purple-hover);
  transform: translateY(-4px);
  box-shadow: 0 4px 12px rgba(155, 135, 245, 0.2);
}

.service-card h5 {
  color: var(--purple-primary);
  margin-bottom: 1rem;
  font-size: 1.4rem;
}

.service-card p {
  margin-bottom: 0;
  color: var(--text-secondary-light);
}

body.dark-mode .service-card p {
  color: var(--text-secondary-dark);
}

/* ===========================
   Benefits List
   =========================== */
.benefits-list {
  list-style: none;
  padding: 0;
  max-width: 800px;
  margin: 0 auto;
}

.benefits-list li {
  padding: 1.2rem 0 1.2rem 1.5rem;
  border-bottom: 1px solid var(--border-light);
  border-left: 3px solid transparent;
  font-size: 1.25rem;
  transition: all 0.3s ease;
}

.benefits-list li:hover {
  border-left-color: var(--purple-primary);
}

body.dark-mode .benefits-list li {
  border-bottom-color: var(--border-dark);
}

.benefits-list li:last-child {
  border-bottom: none;
}

.benefits-list strong {
  color: var(--purple-primary);
}

/* ===========================
   Process Steps
   =========================== */
.process-step {
  padding: 2rem;
  margin-bottom: 2rem;
  border-left: 3px solid var(--purple-primary);
  padding-left: 1.5rem;
}

.process-step h6 {
  color: var(--purple-primary);
  font-size: 1.3rem;
  margin-bottom: 0.5rem;
  font-weight: 600;
}

.process-step p {
  margin-bottom: 0;
  color: var(--text-secondary-light);
}

body.dark-mode .process-step p {
  color: var(--text-secondary-dark);
}

/* ===========================
   Contact Section
   =========================== */
.contact-intro {
  text-align: center;
  font-size: 1.1rem;
  margin-bottom: 3rem;
  color: var(--text-secondary-light);
}

body.dark-mode .contact-intro {
  color: var(--text-secondary-dark);
}

.muted {
  font-size: 0.9rem;
  color: var(--text-secondary-light);
  margin-top: 0.5rem;
}

body.dark-mode .muted {
  color: var(--text-secondary-dark);
}

/* ===========================
   Footer
   =========================== */
.footer {
  padding: 3rem 0;
  text-align: center;
  border-top: 1px solid var(--border-light);
  color: var(--text-secondary-light);
  font-size: 0.9rem;
}

body.dark-mode .footer {
  border-top-color: var(--border-dark);
  color: var(--text-secondary-dark);
}

.footer p {
  margin-bottom: 0.5rem;
}

.footer a {
  color: var(--text-secondary-light);
  transition: color 0.2s ease;
}

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

body.dark-mode .footer a {
  color: var(--text-secondary-dark);
}

body.dark-mode .footer a:hover {
  color: var(--purple-primary);
}

/* ===========================
   Content Pages (Privacy, etc.)
   =========================== */
.page-header {
  padding: 4rem 0 2rem;
  text-align: center;
  border-bottom: 1px solid var(--border-light);
}

body.dark-mode .page-header {
  border-bottom-color: var(--border-dark);
}

.content-page {
  padding: 4rem 0;
}

.content-page h2 {
  font-size: 2.5rem;
  color: var(--purple-primary);
  margin-bottom: 0.5rem;
}

.content-page h3 {
  font-size: 1.8rem;
  color: var(--purple-primary);
  margin-top: 2.5rem;
  margin-bottom: 1rem;
}

.content-page h4 {
  font-size: 1.4rem;
  color: var(--purple-light);
  margin-top: 1.5rem;
  margin-bottom: 0.75rem;
}

body.dark-mode .content-page h4 {
  color: var(--purple-light);
}

.content-page p {
  margin-bottom: 1.5rem;
  line-height: 1.8;
  font-size: 1.3rem;
}

.content-page ul {
  margin-bottom: 1.5rem;
  padding-left: 2rem;
}

.content-page li {
  margin-bottom: 0.5rem;
  line-height: 1.8;
  font-size: 1.25rem;
}

.last-updated {
  color: var(--text-secondary-light);
  font-size: 0.95rem;
  margin-bottom: 2rem;
}

body.dark-mode .last-updated {
  color: var(--text-secondary-dark);
}

/* ===========================
   Responsive Design
   =========================== */
@media (max-width: 768px) {
  .hero {
    padding: 5rem 0 3rem;
  }

  .hero-title {
    font-size: 2.5rem;
  }

  .hero-subhead {
    font-size: 1.2rem;
  }

  .section-title {
    font-size: 2rem;
  }

  .theme-toggle {
    top: 1rem;
    right: 1rem;
    width: 45px;
    height: 45px;
  }

  .service-card,
  .process-step {
    margin-bottom: 1.5rem;
  }
}

@media (max-width: 550px) {
  .hero-title {
    font-size: 2rem;
  }

  .hero-subhead {
    font-size: 1.1rem;
  }

  .section {
    padding: 3rem 0;
  }
}