/* Google Fonts Import */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;500;600;700;800&display=swap');

/* Core Variable Declarations */
:root {
  /* Dark Mode Variables (Default Theme) */
  --bg-primary: #030712;
  --bg-secondary: #0b1329;
  --bg-tertiary: #111a36;
  --text-primary: #f3f4f6;
  --text-secondary: #9ca3af;
  --accent-teal: #48cae4;
  --accent-teal-hover: #90e0ef;
  --accent-gold: #c99738;
  --accent-gold-hover: #e0b034;
  --border-color: #1f2937;
  --shadow-color: rgba(0, 0, 0, 0.6);
  --glass-bg: rgba(11, 19, 41, 0.75);
  --glass-border: rgba(255, 255, 255, 0.05);
  --hero-overlay: rgba(3, 7, 18, 0.85);
  --success-color: #10b981;
  --error-color: #ef4444;
  --error-bg: #2d161a;
  --success-bg: #102d20;

  /* Typography */
  --font-headers: 'Outfit', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  
  /* Animations */
  --transition-speed: 0.3s;
  --border-radius: 12px;
}

[data-theme="light"] {
  /* Light Mode Variables */
  --bg-primary: #f8fafc;
  --bg-secondary: #ffffff;
  --bg-tertiary: #f1f5f9;
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --accent-teal: #0284c7;
  --accent-teal-hover: #0369a1;
  --accent-gold: #b45309;
  --accent-gold-hover: #d97706;
  --border-color: #e2e8f0;
  --shadow-color: rgba(15, 23, 42, 0.08);
  --glass-bg: rgba(255, 255, 255, 0.85);
  --glass-border: rgba(15, 23, 42, 0.06);
  --hero-overlay: rgba(248, 250, 252, 0.85);
  --error-bg: #fef2f2;
  --success-bg: #f0fdf4;
}

/* Global Reset & Base Setup */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-body);
  line-height: 1.6;
  overflow-x: hidden;
  transition: background-color var(--transition-speed), color var(--transition-speed);
}

/* Typography Styles */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-headers);
  font-weight: 700;
  line-height: 1.25;
  color: var(--text-primary);
  margin-bottom: 1rem;
}

h1 {
  font-size: 2.5rem;
  letter-spacing: -0.025em;
}

h2 {
  font-size: 2rem;
  position: relative;
  padding-bottom: 0.5rem;
}

h2::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 50px;
  height: 3px;
  background-color: var(--accent-teal);
  border-radius: 2px;
}

h3 {
  font-size: 1.5rem;
}

p {
  margin-bottom: 1.25rem;
  color: var(--text-secondary);
}

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

a:hover {
  color: var(--accent-teal-hover);
}

/* Layout Utilities */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section {
  padding: 5rem 0;
}

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

/* Scrollbar Customization */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--accent-teal);
}

/* Button & Link Styles */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.75rem;
  font-family: var(--font-headers);
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: var(--border-radius);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition-speed) ease;
  min-height: 48px;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-teal) 0%, #0077b6 100%);
  color: #ffffff;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(72, 202, 228, 0.4);
  color: #ffffff;
}

.btn-secondary {
  background-color: transparent;
  color: var(--text-primary);
  border-color: var(--accent-teal);
}

.btn-secondary:hover {
  background-color: rgba(72, 202, 228, 0.1);
  transform: translateY(-2px);
}

.btn-gold {
  background: linear-gradient(135deg, var(--accent-gold) 0%, #92691b 100%);
  color: #ffffff;
}

.btn-gold:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(201, 151, 56, 0.4);
  color: #ffffff;
}

/* Navigation Header */
.header-nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background-color: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--glass-border);
  transition: padding var(--transition-speed), background-color var(--transition-speed);
  padding: 1rem 0;
}

.header-nav.shrink {
  padding: 0.5rem 0;
  box-shadow: 0 4px 20px var(--shadow-color);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.logo-link {
  display: flex;
  align-items: center;
  height: 50px;
  width: 200px;
}

.nav-menu {
  display: flex;
  align-items: center;
  list-style: none;
  gap: 2rem;
}

.nav-link {
  font-family: var(--font-headers);
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--text-primary);
  position: relative;
  padding: 0.5rem 0;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--accent-teal);
  transition: width var(--transition-speed);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* Mobile Menu Toggle Button */
.menu-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 0.5rem;
}

/* Theme Switcher Toggle */
.theme-toggle-btn {
  background: none;
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  transition: all var(--transition-speed);
}

.theme-toggle-btn:hover {
  background-color: var(--bg-tertiary);
  border-color: var(--accent-teal);
  color: var(--accent-teal);
}

/* Hero Section */
.hero {
  position: relative;
  min-height: 85vh;
  display: flex;
  align-items: center;
  background-size: cover;
  background-position: center;
  background-attachment: scroll;
  padding-top: 6rem;
}

.hero-overlay-div {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: var(--hero-overlay);
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 750px;
  animation: slideUp 0.8s ease-out;
}

.hero-tagline {
  font-family: var(--font-headers);
  font-size: 1.1rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--accent-teal);
  margin-bottom: 1rem;
}

.hero-title {
  font-size: 3.5rem;
  line-height: 1.15;
  margin-bottom: 1.5rem;
}

.hero-desc {
  font-size: 1.15rem;
  margin-bottom: 2rem;
  color: var(--text-secondary);
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

/* Cards & Containers */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: 2.5rem;
  box-shadow: 0 10px 30px var(--shadow-color);
  transition: all var(--transition-speed) cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background-color: var(--accent-teal);
  opacity: 0;
  transition: opacity var(--transition-speed);
}

.card:hover {
  transform: translateY(-5px);
  border-color: var(--accent-teal);
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.4);
}

.card:hover::before {
  opacity: 1;
}

.card-icon {
  font-size: 2.5rem;
  color: var(--accent-teal);
  margin-bottom: 1.5rem;
  display: inline-block;
}

.card-title {
  font-size: 1.35rem;
  margin-bottom: 1rem;
}

.card-list {
  list-style: none;
  margin-top: 1rem;
}

.card-list li {
  position: relative;
  padding-left: 1.5rem;
  margin-bottom: 0.75rem;
  font-size: 0.95rem;
  color: var(--text-secondary);
}

.card-list li::before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--accent-gold);
  font-weight: bold;
}

/* Value Props / Highlight Section */
.highlight-block {
  background-color: var(--bg-tertiary);
  border-radius: var(--border-radius);
  padding: 3rem;
  margin-top: 3rem;
  border: 1px solid var(--border-color);
}

.highlight-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2.5rem;
}

.highlight-item h4 {
  font-size: 1.25rem;
  color: var(--accent-gold);
  margin-bottom: 0.75rem;
}

/* Accordion Layout */
.accordion {
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  overflow: hidden;
  margin-top: 2rem;
}

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

.accordion-item:last-child {
  border-bottom: none;
}

.accordion-header {
  background-color: var(--bg-secondary);
  padding: 1.25rem 1.5rem;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  user-select: none;
  transition: background-color var(--transition-speed);
}

.accordion-header:hover {
  background-color: var(--bg-tertiary);
}

.accordion-title {
  font-family: var(--font-headers);
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0;
}

.accordion-icon {
  font-size: 1.25rem;
  color: var(--accent-teal);
  transition: transform var(--transition-speed);
}

.accordion-content {
  background-color: var(--bg-primary);
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-speed) ease-out, padding var(--transition-speed) ease;
  padding: 0 1.5rem;
}

.accordion-item.active .accordion-content {
  padding: 1.5rem;
}

.accordion-item.active .accordion-icon {
  transform: rotate(45deg);
}

/* Profile / Bio layout */
.profile-block {
  display: flex;
  gap: 3rem;
  align-items: center;
  flex-wrap: wrap;
}

.profile-img-container {
  flex: 1 1 300px;
  max-width: 400px;
  position: relative;
}

.profile-img-container::after {
  content: '';
  position: absolute;
  top: 15px;
  left: 15px;
  width: 100%;
  height: 100%;
  border: 2px solid var(--accent-gold);
  border-radius: var(--border-radius);
  z-index: 1;
}

.profile-image {
  width: 100%;
  border-radius: var(--border-radius);
  display: block;
  position: relative;
  z-index: 2;
  box-shadow: 0 10px 30px var(--shadow-color);
}

.profile-info {
  flex: 2 1 450px;
}

.profile-title-sub {
  color: var(--accent-teal);
  font-family: var(--font-headers);
  font-weight: 600;
  font-size: 1.1rem;
  margin-top: -0.5rem;
  margin-bottom: 1.5rem;
}

/* Contact Page Form Fields & Validation Styles */
.contact-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 4rem;
  align-items: start;
}

.contact-form-container {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: 3rem;
  box-shadow: 0 10px 35px var(--shadow-color);
}

.form-group {
  margin-bottom: 1.75rem;
  position: relative;
}

.form-label {
  display: block;
  font-family: var(--font-headers);
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.form-input {
  width: 100%;
  min-height: 48px;
  padding: 0.75rem 1rem;
  background-color: var(--bg-primary);
  border: 1.5px solid var(--border-color);
  border-radius: 8px;
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 1rem;
  transition: all var(--transition-speed) ease;
  box-sizing: border-box;
}

textarea.form-input {
  min-height: 120px;
  resize: vertical;
}

.form-input:focus {
  outline: none;
  border-color: var(--accent-teal);
  box-shadow: 0 0 0 3px rgba(72, 202, 228, 0.15);
}

/* Helper text & Error message display */
.form-hint {
  display: block;
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-bottom: 0.25rem;
  margin-top: -0.25rem;
}

.error-message {
  display: none;
  color: var(--error-color);
  font-size: 0.825rem;
  margin-top: 0.35rem;
  animation: fadeIn 0.2s ease-in;
}

/* Constraint validation timing via pseudo-classes */
.form-input:user-invalid {
  border-color: var(--error-color);
  background-color: var(--error-bg);
}

.form-input:user-invalid + .error-message {
  display: block;
}

.form-input:user-valid {
  border-color: var(--success-color);
}

/* Contact Info Panels */
.contact-info-panel h3 {
  margin-bottom: 1.5rem;
}

.info-item {
  display: flex;
  gap: 1.25rem;
  margin-bottom: 1.75rem;
}

.info-icon {
  font-size: 1.5rem;
  color: var(--accent-teal);
}

.info-details h4 {
  font-size: 1.05rem;
  margin-bottom: 0.25rem;
}

.info-details p {
  font-size: 0.95rem;
  margin-bottom: 0;
}

/* Admin Dashboard Table */
.admin-login-card {
  max-width: 450px;
  margin: 8rem auto;
}

.admin-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2rem;
  flex-wrap: wrap;
  gap: 1rem;
}

.table-responsive {
  width: 100%;
  overflow-x: auto;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  background-color: var(--bg-secondary);
}

.admin-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

.admin-table th, 
.admin-table td {
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--border-color);
  font-size: 0.95rem;
}

.admin-table th {
  background-color: var(--bg-tertiary);
  font-family: var(--font-headers);
  font-weight: 600;
  color: var(--text-primary);
}

.admin-table tr:hover td {
  background-color: rgba(255, 255, 255, 0.02);
}

.badge {
  display: inline-block;
  padding: 0.25rem 0.6rem;
  font-size: 0.75rem;
  font-weight: 700;
  border-radius: 20px;
  text-transform: uppercase;
}

.badge-new {
  background-color: #3b82f6;
  color: #ffffff;
}

.badge-progress {
  background-color: #f59e0b;
  color: #ffffff;
}

.badge-responded {
  background-color: var(--success-color);
  color: #ffffff;
}

.badge-archived {
  background-color: #6b7280;
  color: #ffffff;
}

.action-btn-group {
  display: flex;
  gap: 0.5rem;
}

.mini-btn {
  background: none;
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  padding: 0.25rem 0.5rem;
  font-size: 0.8rem;
  border-radius: 4px;
  cursor: pointer;
  transition: all var(--transition-speed);
}

.mini-btn:hover {
  background-color: var(--bg-tertiary);
  border-color: var(--accent-teal);
  color: var(--accent-teal);
}

.mini-btn-danger:hover {
  background-color: var(--error-bg);
  border-color: var(--error-color);
  color: var(--error-color);
}

/* Toast Message */
.toast {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  background-color: var(--bg-secondary);
  border-left: 4px solid var(--accent-teal);
  color: var(--text-primary);
  padding: 1rem 1.5rem;
  border-radius: 6px;
  box-shadow: 0 10px 25px rgba(0,0,0,0.5);
  display: none;
  z-index: 10000;
  animation: slideUp 0.3s ease-out;
}

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

.toast.success {
  border-left-color: var(--success-color);
}

/* Footer Section */
.footer {
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  padding: 4rem 0 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr repeat(3, 1fr);
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-brand p {
  margin-top: 1.25rem;
  font-size: 0.9rem;
}

.footer-nav-col h4 {
  font-family: var(--font-headers);
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  color: var(--text-primary);
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 0.75rem;
}

.footer-links a {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.footer-links a:hover {
  color: var(--accent-teal);
}

.footer-bottom {
  border-top: 1px solid var(--border-color);
  padding-top: 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-bottom p {
  font-size: 0.85rem;
  margin-bottom: 0;
}

/* Animations Definitions */
@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* Responsive Media Queries */
@media (max-width: 1024px) {
  h1 { font-size: 2.25rem; }
  .hero-title { font-size: 3rem; }
  .contact-grid { gap: 2.5rem; }
}

@media (max-width: 768px) {
  .section { padding: 4.5rem 0; }
  .menu-toggle { display: block; }
  
  .nav-menu {
    position: fixed;
    top: 70px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 70px);
    background-color: var(--bg-primary);
    border-top: 1px solid var(--border-color);
    flex-direction: column;
    padding: 3rem 1.5rem;
    gap: 1.75rem;
    transition: left 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    align-items: flex-start;
  }
  
  .nav-menu.active {
    left: 0;
  }
  
  .hero { min-height: 70vh; }
  .hero-title { font-size: 2.5rem; }
  
  .contact-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  .profile-block {
    flex-direction: column;
    text-align: center;
    gap: 2rem;
  }
  .profile-img-container {
    max-width: 280px;
  }
  .profile-img-container::after {
    display: none;
  }
}

@media (max-width: 480px) {
  h1 { font-size: 1.85rem; }
  h2 { font-size: 1.5rem; }
  .hero-title { font-size: 2rem; }
  .hero-buttons { flex-direction: column; }
  .hero-buttons .btn { width: 100%; }
  .contact-form-container { padding: 1.5rem; }
}