/* ============================================
   TimRich - Professional Landing Page CSS
   Mobile-first responsive design
   ============================================ */

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

:root {
  --primary-blue: hsl(217, 70%, 45%);
  --accent-teal: hsl(180, 60%, 45%);
  --dark-text: hsl(0, 0%, 20%);
  --light-bg: hsl(0, 0%, 98%);
  --white: #ffffff;
  --gray-light: hsl(0, 0%, 90%);
  --shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.15);
  
  --font-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --spacing: 0.75rem;
}

html {
  scroll-behavior: smooth;
}

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

/* ============================================
   HERO SECTION
   ============================================ */

.hero {
  background: linear-gradient(135deg, hsl(217, 70%, 95%) 0%, hsl(180, 60%, 95%) 100%);
  padding: calc(var(--spacing) * 2) var(--spacing);
  min-height: 90vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-content {
  text-align: center;
  max-width: 700px;
  animation: fadeInUp 0.8s ease-out;
  line-height: 1;
}

.signature-img {
  display: inline-block;
  margin-bottom: calc(var(--spacing) * 2);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.signature-img img {
  width: 240px;
  height: auto;
  display: block;
  max-width: 100%;
}

.hero h1 {
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: var(--spacing);
  color: var(--primary-blue);
  line-height: 1.2;
}

.tagline {
  font-size: 1.1rem;
  color: hsl(0, 0%, 40%);
  margin-bottom: calc(var(--spacing) * 2.5);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.scroll-btn {
  display: inline-block;
  font-size: 1.5rem;
  color: var(--primary-blue);
  text-decoration: none;
  animation: bounce 2s infinite;
  padding: var(--spacing);
}

/* ============================================
   RESOURCE CARDS SECTION
   ============================================ */

.resources {
  padding: calc(var(--spacing) * 2.5) var(--spacing);
  background-color: var(--white);
}

.resources h2 {
  text-align: center;
  font-size: 1.75rem;
  margin-bottom: calc(var(--spacing) * 2);
  color: var(--primary-blue);
}

.cards-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: calc(var(--spacing) * 1.5);
  max-width: 1200px;
  margin: 0 auto;
}

.card {
  background: var(--white);
  border: 1px solid var(--gray-light);
  border-radius: 12px;
  padding: calc(var(--spacing) * 1.5);
  text-align: center;
  transition: all 0.3s ease;
  box-shadow: var(--shadow);
}

.card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
  border-color: var(--accent-teal);
}

.card-icon {
  font-size: 3rem;
  margin-bottom: var(--spacing);
}

.card h3 {
  font-size: 1.25rem;
  margin-bottom: calc(var(--spacing) * 0.75);
  color: var(--primary-blue);
}

.card p {
  color: hsl(0, 0%, 40%);
  margin-bottom: var(--spacing);
  font-size: 0.95rem;
  line-height: 1.5;
}

.card-btn {
  display: inline-block;
  padding: calc(var(--spacing) * 0.75) calc(var(--spacing) * 1.5);
  background-color: var(--accent-teal);
  color: var(--white);
  text-decoration: none;
  border-radius: 6px;
  transition: all 0.3s ease;
  font-weight: 600;
  font-size: 0.9rem;
}

.card-btn:hover {
  background-color: hsl(180, 60%, 35%);
  transform: scale(1.05);
}

/* ============================================
   EMAIL SIGNUP SECTION
   ============================================ */

.signup {
  background: linear-gradient(135deg, var(--primary-blue) 0%, hsl(217, 70%, 35%) 100%);
  color: var(--white);
  padding: calc(var(--spacing) * 2.5) var(--spacing);
}

.signup-content {
  max-width: 600px;
  margin: 0 auto;
  text-align: center;
}

.signup h2 {
  font-size: 1.75rem;
  margin-bottom: calc(var(--spacing) * 0.75);
  font-weight: 800;
}

.signup > div p {
  margin-bottom: calc(var(--spacing) * 1.5);
  font-size: 1.05rem;
  opacity: 0.95;
}

.signup-form {
  margin-bottom: calc(var(--spacing) * 1.5);
}

.form-group {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing);
  margin-bottom: var(--spacing);
}

.form-group input {
  padding: calc(var(--spacing) * 0.75) var(--spacing);
  border: none;
  border-radius: 6px;
  font-size: 1rem;
  font-family: var(--font-primary);
}

.form-group input::placeholder {
  color: hsl(0, 0%, 60%);
}

.form-group input:focus {
  outline: none;
  box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.3);
}

.btn-primary {
  padding: calc(var(--spacing) * 0.75) calc(var(--spacing) * 2);
  background-color: var(--accent-teal);
  color: var(--white);
  border: none;
  border-radius: 6px;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.3s ease;
  font-family: var(--font-primary);
}

.btn-primary:hover {
  background-color: hsl(180, 60%, 35%);
  transform: scale(1.02);
}

.btn-primary:active {
  transform: scale(0.98);
}

.btn-primary.loading {
  opacity: 0.7;
  cursor: not-allowed;
}

.form-message {
  padding: var(--spacing);
  border-radius: 6px;
  font-size: 0.95rem;
  font-weight: 600;
  animation: slideDown 0.3s ease;
}

.form-message.success {
  background-color: hsl(120, 40%, 70%);
  color: var(--white);
}

.form-message.error {
  background-color: hsl(0, 70%, 70%);
  color: var(--white);
}

.form-note {
  font-size: 0.85rem;
  opacity: 0.9;
}

/* ============================================
   SOCIAL PROOF SECTION
   ============================================ */

.social-proof {
  background-color: var(--white);
  padding: calc(var(--spacing) * 4) var(--spacing);
}

.proof-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: calc(var(--spacing) * 2);
  max-width: 800px;
  margin: 0 auto;
}

.proof-item {
  text-align: center;
  padding: calc(var(--spacing) * 1.5);
  border-radius: 12px;
  background-color: hsl(217, 70%, 95%);
}

.proof-number {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--primary-blue);
  margin-bottom: 0.5rem;
}

.proof-label {
  font-size: 0.9rem;
  color: hsl(0, 0%, 40%);
}

/* ============================================
   FOOTER
   ============================================ */

.footer {
  background-color: var(--dark-text);
  color: var(--white);
  padding: calc(var(--spacing) * 2) var(--spacing);
  text-align: center;
}

.footer-content {
  max-width: 1000px;
  margin: 0 auto calc(var(--spacing) * 1.5);
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: calc(var(--spacing) * 1.5);
  align-items: start;
}

.footer-signature img {
  width: 80px;
  height: auto;
  border-radius: 8px;
}

.footer-info {
  text-align: left;
}

.footer-brand {
  font-weight: 700;
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
}

.footer-copyright {
  font-size: 0.85rem;
  opacity: 0.8;
}

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

.footer-links a {
  color: var(--accent-teal);
  text-decoration: none;
  font-size: 0.9rem;
  transition: opacity 0.3s;
}

.footer-links a:hover {
  opacity: 0.8;
  text-decoration: underline;
}

.footer-tagline {
  font-size: 1rem;
  font-weight: 600;
  color: var(--accent-teal);
  margin-top: var(--spacing);
  padding-top: var(--spacing);
  border-top: 1px solid hsla(0, 0%, 100%, 0.2);
}

/* ============================================
   ANIMATIONS
   ============================================ */

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes bounce {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

/* Tablet (640px+) */
@media (min-width: 640px) {
  .hero {
    padding: calc(var(--spacing) * 4) calc(var(--spacing) * 2);
  }

  .hero h1 {
    font-size: 2.5rem;
  }

  .signature-img img {
    width: 300px;
  }

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

  .form-group {
    grid-template-columns: 1fr auto;
  }

  .proof-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .footer-content {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .footer-links {
    justify-content: center;
  }
}

/* Desktop (1024px+) */
@media (min-width: 1024px) {
  .hero {
    padding: calc(var(--spacing) * 6) calc(var(--spacing) * 3);
  }

  .hero h1 {
    font-size: 3rem;
  }

  .signature-img img {
    width: 360px;
  }

  .tagline {
    font-size: 1.2rem;
  }

  .resources {
    padding: calc(var(--spacing) * 6) calc(var(--spacing) * 3);
  }

  .resources h2 {
    font-size: 2.2rem;
  }

  .cards-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: calc(var(--spacing) * 2.5);
  }

  .signup {
    padding: calc(var(--spacing) * 6) calc(var(--spacing) * 3);
  }

  .signup h2 {
    font-size: 2.2rem;
  }

  .footer-content {
    grid-template-columns: auto 1fr auto;
    text-align: center;
  }

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

  .footer-links {
    justify-content: center;
  }
}

/* ============================================
   ACCESSIBILITY
   ============================================ */

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

/* Focus visible for keyboard navigation */
button:focus-visible,
a:focus-visible,
input:focus-visible {
  outline: 2px solid var(--accent-teal);
  outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: more) {
  .card {
    border-width: 2px;
  }
}

/* ============================================
   SCROLL INDICATOR
   ============================================ */

.scroll-indicator {
  margin-top: 40px;
  text-align: center;
  animation: bounce 2s infinite;
}

.scroll-indicator p {
  font-size: 0.95rem;
  color: rgba(0, 0, 0, 0.6);
  margin-bottom: 12px;
  letter-spacing: 0.5px;
  font-weight: 500;
}

.arrow-down {
  width: 28px;
  height: 28px;
  margin: 0 auto;
  display: block;
  color: rgba(0, 0, 0, 0.5);
  animation: slide-down 1.5s infinite;
}

@keyframes slide-down {
  0% {
    transform: translateY(0);
    opacity: 1;
  }
  50% {
    opacity: 1;
  }
  100% {
    transform: translateY(12px);
    opacity: 0.3;
  }
}

@keyframes bounce {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-5px);
  }
}

/* ============================================
   RESOURCE LOGIN MODAL
   ============================================ */

.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  animation: fadeIn 0.3s ease;
}

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

.modal-content {
  background: white;
  border-radius: 12px;
  padding: 40px;
  max-width: 450px;
  width: 90%;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
  position: relative;
  animation: slideUp 0.3s ease;
}

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

.modal-close {
  position: absolute;
  top: 15px;
  right: 15px;
  background: none;
  border: none;
  font-size: 28px;
  cursor: pointer;
  color: #999;
  padding: 0;
  width: 30px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color 0.2s;
}

.modal-close:hover {
  color: #333;
}

.modal-header {
  text-align: center;
  margin-bottom: 30px;
}

.modal-header h2 {
  font-size: 1.8rem;
  margin-bottom: 8px;
  color: var(--dark-text);
}

.resource-title {
  font-size: 1.1rem;
  color: var(--primary-blue);
  font-weight: 600;
}

.resource-form {
  margin-bottom: 20px;
}

.resource-form .form-group {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.resource-form input {
  padding: 12px 16px;
  border: 1px solid #ddd;
  border-radius: 6px;
  font-size: 1rem;
  font-family: var(--font-primary);
  transition: border-color 0.2s;
}

.resource-form input:focus {
  outline: none;
  border-color: var(--primary-blue);
  box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.resource-form .btn-primary {
  padding: 12px 24px;
  background-color: var(--primary-blue);
  color: white;
  border: none;
  border-radius: 6px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
}

.resource-form .btn-primary:hover {
  background-color: hsl(217, 70%, 40%);
  transform: translateY(-1px);
}

.resource-form .btn-primary:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.modal-note {
  text-align: center;
  font-size: 0.9rem;
  color: #666;
  margin-top: 20px;
}

/* ============================================
   NAVBAR
   ============================================ */

.navbar {
  background-color: var(--white);
  box-shadow: var(--shadow);
  position: sticky;
  top: 0;
  z-index: 1000;
  padding: 0 var(--spacing);
}

.navbar-content {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 70px;
}

.navbar-brand {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--primary-blue);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 8px;
}

.navbar-brand:hover {
  color: var(--accent-teal);
}

.navbar-links {
  display: flex;
  list-style: none;
  gap: calc(var(--spacing) * 2);
  align-items: center;
}

.navbar-link {
  text-decoration: none;
  color: var(--dark-text);
  font-weight: 500;
  transition: color 0.2s;
  font-size: 0.95rem;
}

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

.navbar-link.active {
  color: var(--primary-blue);
  border-bottom: 2px solid var(--primary-blue);
  padding-bottom: 4px;
}

@media (max-width: 768px) {
  .navbar-content {
    height: 60px;
  }

  .navbar-brand {
    font-size: 1.1rem;
  }

  .navbar-links {
    gap: var(--spacing);
    font-size: 0.9rem;
  }
}