/* SmilePrint Landing Page Styles */

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --primary: #667eea;
  --primary-dark: #5568d3;
  --secondary: #764ba2;
  --accent: #f093fb;
  --text-dark: #1f2937;
  --text-gray: #6b7280;
  --text-light: #9ca3af;
  --bg-light: #f9fafb;
  --bg-white: #ffffff;
  --border: #e5e7eb;
  --success: #10b981;
}

body {
  font-family: 'Noto Sans KR', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  line-height: 1.6;
  color: var(--text-dark);
  background: var(--bg-white);
  overflow-x: hidden;
}

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.95);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  z-index: 1000;
  -webkit-transition: all 0.3s ease;
  transition: all 0.3s ease;
}

.header.scrolled {
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

.header-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 1.5rem;
  font-weight: 900;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-links {
  display: flex;
  gap: 2rem;
  align-items: center;
}

.nav-links a {
  color: var(--text-gray);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.3s;
}

.nav-links a:hover {
  color: var(--primary);
}

/* Buttons */
.btn {
  padding: 0.75rem 1.5rem;
  border-radius: 0.5rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  border: none;
  font-size: 1rem;
  transition: all 0.3s ease;
  display: inline-block;
  font-family: inherit;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: white;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 20px -5px rgba(102, 126, 234, 0.4);
}

.btn-large {
  padding: 1rem 2rem;
  font-size: 1.125rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* Hero Section */
.hero {
  margin-top: 80px;
  min-height: calc(100vh - 80px);
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, rgba(102, 126, 234, 0.6) 0%, rgba(118, 75, 162, 0.6) 100%),
              url('/assets/images/landing/hero-background.png') center/cover no-repeat;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(102, 126, 234, 0.1) 0%, rgba(118, 75, 162, 0.1) 100%);
  opacity: 0.3;
}

.hero-content {
  position: relative;
  z-index: 1;
  color: white;
  text-align: center;
}

.hero h1 {
  font-size: 3.5rem;
  font-weight: 900;
  margin-bottom: 1.5rem;
  line-height: 1.2;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.hero-subtitle {
  font-size: 1.5rem;
  margin-bottom: 2rem;
  opacity: 0.95;
}

.hero-cta {
  display: flex;
  gap: 1rem;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}

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

.hero-cta .btn-primary:hover {
  box-shadow: 0 10px 30px -5px rgba(255, 255, 255, 0.5);
}

.hero-note {
  font-size: 0.875rem;
  opacity: 0.9;
  margin-top: 1rem;
}

.google-icon {
  width: 20px;
  height: 20px;
}

/* Mobile Responsive */
@media (max-width: 768px) {
  .header-content {
    padding: 1rem;
  }

  .nav-links {
    display: none;
  }

  .hero h1 {
    font-size: 2rem;
  }

  .hero-subtitle {
    font-size: 1.125rem;
  }
}

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

/* Modal Styles */
.modal {
  display: none;
  position: fixed;
  z-index: 2000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  -webkit-backdrop-filter: blur(4px);
  backdrop-filter: blur(4px);
  overflow-y: auto;
}

.modal.active {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.modal-content {
  background: white;
  border-radius: 1rem;
  padding: 2.5rem;
  max-width: 480px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
  position: relative;
  animation: modalSlideIn 0.3s ease-out;
}

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

.modal-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  font-size: 2rem;
  font-weight: 300;
  color: var(--text-gray);
  cursor: pointer;
  transition: color 0.3s;
  line-height: 1;
}

.modal-close:hover {
  color: var(--text-dark);
}

.modal-title {
  color: var(--text-dark);
  margin-bottom: 1.5rem;
  font-size: 1.75rem;
  font-weight: 700;
}

.modal-subtitle {
  color: var(--text-gray);
  margin-bottom: 1.5rem;
  font-size: 0.95rem;
  line-height: 1.6;
  text-align: center;
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  color: var(--text-dark);
  font-weight: 500;
  font-size: 0.875rem;
}

.form-group input[type="email"],
.form-group input[type="password"],
.form-group input[type="text"] {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 2px solid var(--border);
  border-radius: 0.5rem;
  font-size: 1rem;
  font-family: inherit;
  transition: border-color 0.3s;
}

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

.error-message {
  display: none;
  color: #ef4444;
  font-size: 0.875rem;
  margin-top: 0.25rem;
}

.error-message.show {
  display: block;
}

.password-strength {
  margin-top: 0.5rem;
  height: 4px;
  background: var(--bg-light);
  border-radius: 2px;
  overflow: hidden;
  position: relative;
}

.strength-bar {
  height: 100%;
  transition: width 0.3s, background-color 0.3s;
}

.password-strength + span {
  display: block;
  font-size: 0.75rem;
  margin-top: 0.25rem;
}

.form-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
  cursor: pointer;
}

.forgot-password {
  color: var(--primary);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
}

.forgot-password:hover {
  text-decoration: underline;
}

.btn-block {
  width: 100%;
  margin-top: 0.5rem;
}

.divider {
  text-align: center;
  margin: 1.5rem 0;
  position: relative;
  color: var(--text-light);
  font-size: 0.875rem;
}

.divider::before,
.divider::after {
  content: '';
  position: absolute;
  top: 50%;
  width: 40%;
  height: 1px;
  background: var(--border);
}

.divider::before {
  left: 0;
}

.divider::after {
  right: 0;
}

.modal-footer-text {
  text-align: center;
  margin-top: 1.5rem;
  color: var(--text-gray);
  font-size: 0.875rem;
}

.modal-footer-text a {
  color: var(--primary);
  text-decoration: none;
  font-weight: 600;
}

.modal-footer-text a:hover {
  text-decoration: underline;
}

/* Mobile Modal Adjustments */
@media (max-width: 768px) {
  .modal-content {
    padding: 2rem 1.5rem;
    border-radius: 0.75rem;
  }

  .modal-title {
    font-size: 1.5rem;
  }
}