/* ==========================================================================
   Rezeptekosmos - Premium Design System (UI & Human UX)
   High-Conversion, Accessible, Mobile-First Stylesheet
   ========================================================================== */

:root {
  /* Brand Color Palette: Midnight Jade & Culinary Warm Amber */
  --color-primary-dark: #0D2818;
  --color-primary: #174228;
  --color-primary-light: #24633D;
  --color-primary-soft: #E8F3EC;
  
  --color-accent: #E5A93C;
  --color-accent-hover: #D49628;
  --color-accent-soft: #FEF7EA;
  
  --color-surface: #FFFFFF;
  --color-background: #FBFBFA;
  --color-surface-subtle: #F4F6F4;
  --color-border: #E2E8E4;
  --color-border-focus: #174228;
  
  --color-text-main: #14211A;
  --color-text-muted: #56695F;
  --color-text-subtle: #7F9388;
  --color-text-inverse: #FFFFFF;
  
  --color-success: #1E7E4E;
  --color-success-bg: #E6F5ED;
  --color-danger: #C93B3B;
  --color-danger-bg: #FDF0F0;
  --color-warning: #D9822B;

  /* Typography */
  --font-family-base: 'Plus Jakarta Sans', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  --font-family-serif: 'Playfair Display', Georgia, serif;
  
  /* Shadows & Elevations */
  --shadow-sm: 0 2px 8px rgba(13, 40, 24, 0.04);
  --shadow-md: 0 8px 24px rgba(13, 40, 24, 0.08);
  --shadow-lg: 0 16px 40px rgba(13, 40, 24, 0.12);
  --shadow-glow: 0 0 30px rgba(229, 169, 60, 0.25);

  /* Radius */
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 0.18s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-normal: 0.28s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Base Resets */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-family: var(--font-family-base);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text-main);
  background-color: var(--color-background);
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

img, svg {
  display: block;
  max-width: 100%;
}

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

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

/* Container */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.container-narrow {
  max-width: 840px;
}

/* Header & Navigation */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(251, 251, 250, 0.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--color-border);
  transition: all var(--transition-fast);
}

.nav-wrapper {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 74px;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  font-size: 1.35rem;
  color: var(--color-primary-dark);
  letter-spacing: -0.02em;
}

.brand-logo svg, .brand-logo img {
  width: 38px;
  height: 38px;
}

.brand-logo span span {
  color: var(--color-accent);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.nav-link {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-text-muted);
  transition: color var(--transition-fast);
}

.nav-link:hover, .nav-link.active {
  color: var(--color-primary);
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  background: var(--color-primary);
  color: var(--color-text-inverse) !important;
  font-weight: 700;
  font-size: 0.9rem;
  border-radius: var(--radius-full);
  box-shadow: 0 4px 14px rgba(23, 66, 40, 0.2);
  transition: all var(--transition-fast);
}

.nav-cta:hover {
  background: var(--color-primary-light);
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(23, 66, 40, 0.28);
}

/* Language Switcher Component */
.lang-switcher {
  display: inline-flex;
  align-items: center;
  background: var(--color-surface-subtle);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  padding: 3px;
  gap: 2px;
}

.lang-btn {
  background: none;
  border: none;
  cursor: pointer;
  padding: 5px 11px;
  font-size: 0.8rem;
  font-weight: 700;
  border-radius: var(--radius-full);
  color: var(--color-text-muted);
  transition: all var(--transition-fast);
  font-family: inherit;
}

.lang-btn.active {
  background: var(--color-primary);
  color: #FFFFFF;
  box-shadow: 0 2px 6px rgba(23, 66, 40, 0.2);
}

.lang-btn:hover:not(.active) {
  color: var(--color-primary-dark);
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  color: var(--color-text-main);
}

/* Hero Section */
.hero-section {
  padding: 80px 0 60px;
  background: radial-gradient(circle at 80% 20%, rgba(229, 169, 60, 0.08) 0%, transparent 60%),
              radial-gradient(circle at 10% 80%, rgba(23, 66, 40, 0.06) 0%, transparent 50%);
  position: relative;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 48px;
  align-items: center;
}

.badge-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: var(--color-primary-soft);
  color: var(--color-primary);
  border: 1px solid rgba(23, 66, 40, 0.12);
  border-radius: var(--radius-full);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  margin-bottom: 20px;
}

.badge-tag .dot {
  width: 8px;
  height: 8px;
  background: var(--color-success);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% { transform: scale(0.95); opacity: 0.7; }
  50% { transform: scale(1.15); opacity: 1; }
  100% { transform: scale(0.95); opacity: 0.7; }
}

.hero-title {
  font-size: 3.2rem;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  color: var(--color-primary-dark);
  margin-bottom: 24px;
}

.hero-title .highlight {
  color: var(--color-primary);
  position: relative;
  display: inline-block;
}

.hero-title .highlight::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 6px;
  width: 100%;
  height: 10px;
  background: rgba(229, 169, 60, 0.3);
  z-index: -1;
  border-radius: 4px;
}

.hero-subtitle {
  font-size: 1.18rem;
  color: var(--color-text-muted);
  line-height: 1.65;
  margin-bottom: 36px;
  max-width: 580px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  margin-bottom: 40px;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 16px 32px;
  background: var(--color-primary);
  color: #FFFFFF !important;
  font-size: 1.05rem;
  font-weight: 700;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  box-shadow: 0 8px 24px rgba(23, 66, 40, 0.24);
  transition: all var(--transition-normal);
}

.btn-primary:hover {
  background: var(--color-primary-light);
  transform: translateY(-2px);
  box-shadow: 0 12px 30px rgba(23, 66, 40, 0.32);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 16px 26px;
  background: var(--color-surface);
  color: var(--color-primary-dark) !important;
  font-size: 1.02rem;
  font-weight: 700;
  border-radius: var(--radius-md);
  border: 1.5px solid var(--color-border);
  cursor: pointer;
  transition: all var(--transition-normal);
}

.btn-secondary:hover {
  background: var(--color-surface-subtle);
  border-color: var(--color-primary);
}

.trust-row {
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--color-text-muted);
}

.trust-item svg {
  color: var(--color-success);
  width: 18px;
  height: 18px;
}

/* App Mockup / Card Preview */
.hero-mockup-wrapper {
  position: relative;
  display: flex;
  justify-content: center;
}

.phone-card-preview {
  width: 100%;
  max-width: 380px;
  background: #FFFFFF;
  border-radius: 36px;
  padding: 24px;
  box-shadow: 0 24px 60px rgba(13, 40, 24, 0.16);
  border: 8px solid #0D2818;
  position: relative;
}

.preview-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--color-border);
}

.preview-tag {
  background: var(--color-primary-soft);
  color: var(--color-primary);
  font-size: 0.75rem;
  font-weight: 800;
  padding: 4px 10px;
  border-radius: 6px;
}

.macro-grid-preview {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  margin: 16px 0;
}

.macro-box {
  background: var(--color-surface-subtle);
  border-radius: var(--radius-sm);
  padding: 10px 6px;
  text-align: center;
}

.macro-box .macro-val {
  font-weight: 800;
  font-size: 0.95rem;
  color: var(--color-primary-dark);
}

.macro-box .macro-lbl {
  font-size: 0.7rem;
  color: var(--color-text-subtle);
  text-transform: uppercase;
  font-weight: 600;
}

.float-badge {
  position: absolute;
  background: #FFFFFF;
  padding: 12px 18px;
  border-radius: 16px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.12);
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 0.88rem;
  border: 1px solid var(--color-border);
  animation: float 4s ease-in-out infinite;
}

.float-badge-1 {
  top: -15px;
  left: -20px;
}

.float-badge-2 {
  bottom: 25px;
  right: -20px;
  animation-delay: 2s;
}

@keyframes float {
  0% { transform: translateY(0px); }
  50% { transform: translateY(-8px); }
  100% { transform: translateY(0px); }
}

/* Features Grid */
.features-section {
  padding: 90px 0;
  background: var(--color-surface);
}

.section-head {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 60px;
}

.section-tag {
  color: var(--color-primary);
  font-size: 0.85rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 12px;
}

.section-title {
  font-size: 2.4rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--color-primary-dark);
  margin-bottom: 16px;
}

.section-desc {
  font-size: 1.1rem;
  color: var(--color-text-muted);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
  gap: 30px;
}

.feature-card {
  background: var(--color-background);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 32px 26px;
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
}

.feature-card:hover {
  transform: translateY(-5px);
  border-color: rgba(23, 66, 40, 0.3);
  box-shadow: var(--shadow-md);
}

.feature-icon-wrapper {
  width: 54px;
  height: 54px;
  border-radius: 14px;
  background: var(--color-primary-soft);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.feature-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  margin-bottom: 12px;
}

.feature-card p {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  line-height: 1.6;
  flex-grow: 1;
}

/* Pricing Section */
.pricing-section {
  padding: 90px 0;
  background: var(--color-surface-subtle);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(310px, 1fr));
  gap: 32px;
  max-width: 900px;
  margin: 0 auto;
}

.pricing-card {
  background: var(--color-surface);
  border-radius: var(--radius-xl);
  padding: 40px 32px;
  border: 1.5px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  position: relative;
  transition: transform var(--transition-normal);
}

.pricing-card.featured {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-lg);
  transform: scale(1.03);
}

.ribbon {
  position: absolute;
  top: -14px;
  right: 28px;
  background: var(--color-accent);
  color: #172A1F;
  font-size: 0.78rem;
  font-weight: 800;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.pricing-plan-name {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--color-primary-dark);
  margin-bottom: 8px;
}

.pricing-price {
  font-size: 2.8rem;
  font-weight: 800;
  color: var(--color-primary-dark);
  margin-bottom: 4px;
}

.pricing-price span {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text-muted);
}

.pricing-desc {
  font-size: 0.92rem;
  color: var(--color-text-muted);
  margin-bottom: 28px;
}

.pricing-features {
  list-style: none;
  margin-bottom: 32px;
  flex-grow: 1;
}

.pricing-features li {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.95rem;
  margin-bottom: 14px;
  color: var(--color-text-main);
}

.pricing-features li svg {
  color: var(--color-success);
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

/* FAQ Accordion */
.faq-section {
  padding: 90px 0;
  background: var(--color-surface);
}

.faq-list {
  max-width: 780px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid var(--color-border);
  padding: 20px 0;
}

.faq-question {
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  padding: 8px 0;
  font-family: inherit;
}

.faq-question svg {
  transition: transform var(--transition-fast);
  color: var(--color-text-subtle);
}

.faq-item.open .faq-question svg {
  transform: rotate(180deg);
  color: var(--color-primary);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease-out;
  color: var(--color-text-muted);
  font-size: 0.98rem;
  line-height: 1.65;
}

.faq-item.open .faq-answer {
  max-height: 400px;
  padding-top: 12px;
}

/* Legal / Policy Content Pages */
.legal-page-header {
  background: var(--color-primary-soft);
  padding: 60px 0 40px;
  border-bottom: 1px solid var(--color-border);
}

.legal-title {
  font-size: 2.4rem;
  font-weight: 800;
  color: var(--color-primary-dark);
  margin-bottom: 10px;
}

.legal-meta {
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

.legal-content-section {
  padding: 60px 0 100px;
}

.legal-card {
  background: #FFFFFF;
  border-radius: var(--radius-lg);
  padding: 48px;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}

.legal-card h2 {
  font-size: 1.45rem;
  font-weight: 800;
  color: var(--color-primary-dark);
  margin: 36px 0 16px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--color-surface-subtle);
}

.legal-card h2:first-of-type {
  margin-top: 0;
}

.legal-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-text-main);
  margin: 20px 0 10px;
}

.legal-card p, .legal-card ul, .legal-card ol {
  font-size: 0.98rem;
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: 16px;
}

.legal-card ul, .legal-card ol {
  padding-left: 24px;
}

.legal-card li {
  margin-bottom: 8px;
}

/* Interactive Deletion Form Card */
.deletion-box {
  background: var(--color-background);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 36px;
  margin: 28px 0;
}

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

.form-label {
  display: block;
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--color-text-main);
  margin-bottom: 8px;
}

.form-input {
  width: 100%;
  padding: 14px 16px;
  font-size: 1rem;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  font-family: inherit;
  transition: all var(--transition-fast);
  background: #FFFFFF;
}

.form-input:focus {
  outline: none;
  border-color: var(--color-border-focus);
  box-shadow: 0 0 0 3px rgba(23, 66, 40, 0.12);
}

.form-checkbox-label {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 0.92rem;
  color: var(--color-text-muted);
  cursor: pointer;
}

.form-checkbox-label input {
  margin-top: 4px;
  width: 18px;
  height: 18px;
  accent-color: var(--color-primary);
}

.btn-danger {
  width: 100%;
  padding: 16px;
  background: var(--color-danger);
  color: #FFFFFF;
  font-size: 1.05rem;
  font-weight: 700;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  box-shadow: 0 4px 16px rgba(201, 59, 59, 0.25);
  transition: all var(--transition-fast);
}

.btn-danger:hover:not(:disabled) {
  background: #B22F2F;
  transform: translateY(-1px);
}

.btn-danger:disabled {
  opacity: 0.65;
  cursor: not-allowed;
}

.alert-box {
  display: none;
  margin-top: 20px;
  padding: 16px 20px;
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  line-height: 1.5;
}

.alert-success {
  background: var(--color-success-bg);
  color: var(--color-success);
  border: 1px solid rgba(30, 126, 78, 0.25);
}

.alert-error {
  background: var(--color-danger-bg);
  color: var(--color-danger);
  border: 1px solid rgba(201, 59, 59, 0.25);
}

/* Footer */
.site-footer {
  background: var(--color-primary-dark);
  color: #E2E8E4;
  padding: 70px 0 30px;
  margin-top: auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr repeat(3, 1fr);
  gap: 40px;
  margin-bottom: 50px;
}

.footer-brand p {
  color: #9BB3A5;
  font-size: 0.92rem;
  margin-top: 14px;
  max-width: 320px;
  line-height: 1.6;
}

.footer-col h4 {
  font-size: 1rem;
  font-weight: 700;
  color: #FFFFFF;
  margin-bottom: 20px;
}

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

.footer-links li {
  margin-bottom: 12px;
}

.footer-links a {
  color: #A3B8AD;
  font-size: 0.9rem;
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: #FFFFFF;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 30px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 0.85rem;
  color: #7D9688;
  flex-wrap: wrap;
  gap: 16px;
}

/* Responsive Media Queries */
@media (max-width: 992px) {
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .hero-subtitle, .badge-tag {
    margin-left: auto;
    margin-right: auto;
  }
  .hero-actions {
    justify-content: center;
  }
  .trust-row {
    justify-content: center;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .menu-toggle {
    display: block;
  }
  .nav-menu {
    position: fixed;
    top: 74px;
    left: 0;
    right: 0;
    background: #FFFFFF;
    flex-direction: column;
    padding: 30px 24px;
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-lg);
    display: none;
  }
  .nav-menu.open {
    display: flex;
  }
  .hero-title {
    font-size: 2.4rem;
  }
  .legal-card {
    padding: 24px;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
}