:root {
  --primary: #D95D39;
  --primary-hover: #C24D2C;
  --primary-light: #FDF2EE;
  --secondary: #2B3A42;
  --accent: #F4A261;
  --background: #FFFBF0;
  --card-bg: #FFFFFF;
  --text-primary: #1F2937;
  --text-secondary: #4B5563;
  --text-muted: #9CA3AF;
  --border-color: #E5E7EB;
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 10px 25px -5px rgba(217, 93, 57, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 20px 35px -10px rgba(0, 0, 0, 0.12);
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-full: 9999px;
  --font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  scroll-behavior: smooth;
  font-family: var(--font-family);
  background-color: var(--background);
  color: var(--text-primary);
  line-height: 1.6;
}

body {
  overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4 {
  color: var(--secondary);
  font-weight: 800;
  line-height: 1.25;
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  letter-spacing: -0.02em;
}

h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.75rem);
  letter-spacing: -0.01em;
}

p {
  color: var(--text-secondary);
  font-size: 1.05rem;
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: var(--transition);
}

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

/* Header & Nav */
.header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 251, 240, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(229, 231, 235, 0.6);
  padding: 1rem 0;
}

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

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--secondary);
}

.brand-icon {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.brand-icon-img {
  width: 42px;
  height: 42px;
  object-fit: contain;
  border-radius: var(--radius-sm);
}

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

.nav-links a {
  color: var(--text-secondary);
  font-weight: 600;
  font-size: 0.95rem;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.75rem;
  font-size: 1rem;
  font-weight: 700;
  border-radius: var(--radius-full);
  border: none;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
}

.btn-primary {
  background: var(--primary);
  color: white;
  box-shadow: 0 4px 14px rgba(217, 93, 57, 0.35);
}

.btn-primary:hover {
  background: var(--primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(217, 93, 57, 0.45);
  color: white;
}

.btn-secondary {
  background: var(--card-bg);
  color: var(--secondary);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
  border-color: var(--primary);
  color: var(--primary);
  transform: translateY(-2px);
}

/* Hero Section */
.hero-section {
  padding: 5rem 1.5rem 4rem;
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 1rem;
  background: var(--primary-light);
  color: var(--primary);
  font-weight: 700;
  font-size: 0.85rem;
  border-radius: var(--radius-full);
  margin-bottom: 1.5rem;
}

.hero-title {
  margin-bottom: 1.5rem;
}

.hero-subtitle {
  font-size: 1.2rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
  max-width: 520px;
}

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

.hero-preview {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.phone-mockup-frame {
  width: 290px;
  border-radius: 40px;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25), 0 0 0 12px #1E293B;
  overflow: hidden;
  position: relative;
  background: #000;
}

.phone-mockup-frame img {
  width: 100%;
  height: auto;
  display: block;
}

/* Features Section */
.section {
  padding: 6rem 1.5rem;
  max-width: 1200px;
  margin: 0 auto;
}

.section-header {
  text-align: center;
  max-width: 650px;
  margin: 0 auto 4rem;
}

.section-tag {
  color: var(--primary);
  font-weight: 800;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 0.5rem;
}

.section-subtitle {
  margin-top: 0.75rem;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
}

.feature-card {
  background: var(--card-bg);
  padding: 2.25rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-color);
  transition: var(--transition);
}

.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
  border-color: rgba(217, 93, 57, 0.3);
}

.feature-icon {
  width: 54px;
  height: 54px;
  background: var(--primary-light);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
}

.feature-card h3 {
  font-size: 1.3rem;
  margin-bottom: 0.75rem;
}

/* Screenshots Showcase */
.screenshots-section {
  background: #F8FAF9;
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.screenshots-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 2rem;
}

.screenshot-item {
  background: var(--card-bg);
  border-radius: var(--radius-md);
  padding: 1rem;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-color);
  transition: var(--transition);
  cursor: pointer;
  text-align: center;
}

.screenshot-item:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
}

.screenshot-img-container {
  border-radius: var(--radius-sm);
  overflow: hidden;
  aspect-ratio: 9 / 19.5;
  background: #111;
  margin-bottom: 1rem;
}

.screenshot-img-container img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.screenshot-caption {
  font-weight: 700;
  font-size: 1rem;
  color: var(--secondary);
}

/* Privacy Policy Section */
.policy-card {
  background: var(--card-bg);
  border-radius: var(--radius-md);
  padding: 3rem;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
}

.policy-block {
  margin-bottom: 2.5rem;
}

.policy-block:last-child {
  margin-bottom: 0;
}

.policy-block h3 {
  font-size: 1.4rem;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--secondary);
}

.policy-block ul {
  padding-left: 1.5rem;
  margin-top: 0.75rem;
}

.policy-block li {
  margin-bottom: 0.5rem;
  color: var(--text-secondary);
}

.badge-tag {
  display: inline-block;
  padding: 0.2rem 0.6rem;
  background: #E0F2FE;
  color: #0369A1;
  font-size: 0.8rem;
  font-weight: 700;
  border-radius: var(--radius-sm);
}

/* Form Styles */
.deletion-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
}

.deletion-instructions {
  background: var(--primary-light);
  padding: 2.5rem;
  border-radius: var(--radius-md);
  border: 1px solid rgba(217, 93, 57, 0.2);
}

.deletion-instructions h3 {
  color: var(--primary);
  margin-bottom: 1.25rem;
}

.deletion-instructions ol {
  padding-left: 1.25rem;
}

.deletion-instructions li {
  margin-bottom: 0.75rem;
  font-weight: 600;
  color: var(--text-primary);
}

.deletion-form-card {
  background: var(--card-bg);
  padding: 2.5rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  font-weight: 700;
  font-size: 0.95rem;
  margin-bottom: 0.5rem;
  color: var(--secondary);
}

.form-control {
  width: 100%;
  padding: 0.85rem 1rem;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 1rem;
  outline: none;
  transition: var(--transition);
}

.form-control:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(217, 93, 57, 0.15);
}

textarea.form-control {
  resize: vertical;
  min-height: 110px;
}

.form-checkbox {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.form-checkbox input {
  margin-top: 0.25rem;
  width: 18px;
  height: 18px;
  accent-color: var(--primary);
}

.form-checkbox label {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.alert {
  padding: 1rem 1.25rem;
  border-radius: var(--radius-sm);
  margin-bottom: 1.5rem;
  font-weight: 600;
  display: none;
}

.alert-success {
  background: #DEF7EC;
  color: #03543F;
  border: 1px solid #84E1BC;
}

.alert-error {
  background: #FDE8E8;
  color: #9B1C1C;
  border: 1px solid #F8B4B4;
}

/* Lightbox Modal */
.modal {
  display: none;
  position: fixed;
  z-index: 2000;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(8px);
  justify-content: center;
  align-items: center;
  padding: 2rem;
}

.modal-content {
  max-width: 400px;
  max-height: 90vh;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  position: relative;
}

.modal-content img {
  width: 100%;
  height: auto;
  display: block;
}

.modal-close {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  color: white;
  font-size: 2rem;
  font-weight: bold;
  cursor: pointer;
  background: rgba(0, 0, 0, 0.5);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.modal-close:hover {
  background: var(--primary);
}

/* Footer */
.footer {
  background: var(--secondary);
  color: white;
  padding: 4rem 1.5rem 2rem;
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 3rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand h3 {
  color: white;
  margin-bottom: 1rem;
}

.footer-brand p {
  color: #9CA3AF;
  max-width: 400px;
}

.footer-links h4 {
  color: white;
  font-size: 1.1rem;
  margin-bottom: 1.25rem;
}

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

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

.footer-links a {
  color: #D1D5DB;
}

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

.footer-bottom {
  max-width: 1200px;
  margin: 2rem auto 0;
  text-align: center;
  color: #9CA3AF;
  font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 900px) {
  .hero-section {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .hero-subtitle {
    margin-left: auto;
    margin-right: auto;
  }
  
  .hero-actions {
    justify-content: center;
  }
  
  .deletion-container {
    grid-template-columns: 1fr;
  }
  
  .footer-container {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

@media (max-width: 600px) {
  .nav-links {
    display: none;
  }
  
  .policy-card {
    padding: 1.5rem;
  }
  
  .deletion-form-card, .deletion-instructions {
    padding: 1.5rem;
  }
}