/* ============================================
   foodfluencer Landing Page – Style Sheet
   Design System consistent with foodfluencer App
   ============================================ */

/* CSS Custom Properties */
:root {
  /* Primary Colors */
  --primary: #FFBC05;
  --primary-hover: #e5a804;
  --secondary: #f97316;
  --background: #FEFBEA;
  --background-alt: #fef7ed;
  --surface: #ffffff;

  /* Text Colors */
  --text: #374151;
  --text-title: #1f2937;
  --text-muted: #6b7280;
  --text-light: #9ca3af;

  /* Spacing */
  --spacing-xs: 8px;
  --spacing-sm: 12px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;
  --spacing-2xl: 48px;
  --spacing-3xl: 64px;
  --spacing-4xl: 96px;

  /* Border Radius */
  --radius: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --radius-pill: 9999px;

  /* Shadows */
  --shadow-soft: 0 8px 16px rgba(255, 188, 5, 0.12);
  --shadow-elevated: 0 12px 24px rgba(255, 188, 5, 0.15);
  --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.06);
  --shadow-card-hover: 0 8px 30px rgba(0, 0, 0, 0.1);

  /* Transitions */
  --ease: cubic-bezier(0.25, 0.8, 0.25, 1);
  --duration: 300ms;
  --duration-fast: 150ms;

  /* Container */
  --container-max: 1200px;
  --container-padding: 24px;
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
  background-color: var(--background);
  min-height: 100vh;
}

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

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

img {
  max-width: 100%;
  height: auto;
}

/* Container */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

/* ============================================
   HEADER / NAVIGATION
   ============================================ */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--background);
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
  padding: var(--spacing-md) 0;
}

.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: relative;
}

.logo {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--primary-hover);
  letter-spacing: -0.02em;
}

.lang-toggle {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 6px;
  background: transparent;
  border: 1px solid rgba(0, 0, 0, 0.1);
  border-radius: var(--radius-pill);
  padding: 6px 14px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text);
  cursor: pointer;
  transition: all var(--duration-fast) var(--ease);
}

.nav-right {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.lang-toggle:hover {
  background: rgba(0, 0, 0, 0.04);
}

.lang-toggle .lang-icon {
  font-size: 1rem;
}

.nav-link {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text);
  padding: 8px 4px;
}

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

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: inherit;
  font-weight: 600;
  font-size: 1rem;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  transition: all var(--duration) var(--ease);
  text-decoration: none;
  white-space: nowrap;
}

.btn-primary {
  background: var(--primary);
  color: var(--text-title);
  padding: 12px 24px;
  box-shadow: var(--shadow-soft);
}

.btn-primary:hover {
  background: var(--primary-hover);
  color: var(--text-title);
  box-shadow: var(--shadow-elevated);
  transform: scale(1.02);
}

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

.btn-gradient {
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  color: #ffffff;
  padding: 14px 28px;
  font-size: 1rem;
  box-shadow: var(--shadow-elevated);
}

.btn-gradient:hover {
  color: #ffffff;
  box-shadow: 0 14px 28px rgba(255, 188, 5, 0.25);
  transform: scale(1.02);
}

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

.btn-outline {
  background: transparent;
  color: var(--text-title);
  padding: 10px 20px;
  border: 2px solid var(--primary);
}

.btn-outline:hover {
  background: var(--primary);
  color: var(--text-title);
}

.btn-sm {
  padding: 8px 16px;
  font-size: 0.9rem;
}

.btn-block {
  display: flex;
  width: 100%;
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
  text-align: center;
  padding: var(--spacing-3xl) 0 var(--spacing-2xl);
}

.hero-title {
  font-size: 2.8rem;
  font-weight: 700;
  line-height: 1.15;
  color: var(--text-title);
  margin-bottom: var(--spacing-md);
}

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

.hero-subtitle {
  font-size: 1.15rem;
  color: var(--text-muted);
  max-width: 520px;
  margin: 0 auto var(--spacing-3xl);
  line-height: 1.7;
}

/* Hero Cards */
.hero-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-lg);
  max-width: 900px;
  margin: 0 auto;
}

.hero-card {
  background: var(--surface);
  border-radius: var(--radius-xl);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-card);
  text-align: left;
  transition: all var(--duration) var(--ease);
  display: flex;
  flex-direction: column;
}

.hero-card:hover {
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-2px);
}

.hero-card-icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--background);
  border-radius: var(--radius);
  margin-bottom: var(--spacing-lg);
  font-size: 1.8rem;
}

.hero-card-title {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text-title);
  margin-bottom: var(--spacing-xs);
}

.hero-card-text {
  font-size: 0.95rem;
  color: var(--text-muted);
  margin-bottom: var(--spacing-lg);
  line-height: 1.6;
}

.value-props {
  list-style: none;
  margin-bottom: var(--spacing-lg);
  flex-grow: 1;
}

.value-props li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.93rem;
  color: var(--text);
  margin-bottom: 10px;
  line-height: 1.5;
}

.value-props li::before {
  content: "✓";
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 22px;
  height: 22px;
  border-radius: 50%;
  background: #ecfdf5;
  color: #059669;
  font-size: 0.75rem;
  font-weight: 700;
}

.hero-card-pricing {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: var(--spacing-lg);
  padding-top: var(--spacing-sm);
  border-top: 1px solid rgba(0, 0, 0, 0.06);
}

/* ============================================
   HOW IT WORKS SECTION
   ============================================ */
.how-it-works {
  padding: var(--spacing-3xl) 0;
}

.section-title {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--text-title);
  text-align: center;
  margin-bottom: var(--spacing-2xl);
}

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-xl);
  max-width: 900px;
  margin: 0 auto;
}

.step {
  background: var(--surface);
  border-radius: var(--radius-xl);
  padding: var(--spacing-xl);
  text-align: left;
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: #ffffff;
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: var(--spacing-md);
}

.step-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-title);
  margin-bottom: var(--spacing-xs);
}

.step-text {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ============================================
   FAQ SECTION
   ============================================ */
.faq-section {
  padding: var(--spacing-3xl) 0;
  background: var(--background-alt);
}

.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background: var(--surface);
  border-radius: var(--radius-lg);
  margin-bottom: var(--spacing-md);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: box-shadow var(--duration) var(--ease);
}

.faq-item:hover {
  box-shadow: var(--shadow-card-hover);
}

.faq-item[open] {
  box-shadow: var(--shadow-card-hover);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-lg);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-title);
  cursor: pointer;
  list-style: none;
  user-select: none;
  transition: background var(--duration-fast) var(--ease);
}

.faq-question::-webkit-details-marker {
  display: none;
}

.faq-question:hover {
  background: rgba(0, 0, 0, 0.02);
}

.faq-icon {
  font-size: 1.8rem;
  color: var(--primary);
  transition: transform var(--duration) var(--ease);
  font-weight: 300;
  line-height: 1;
}

.faq-item[open] .faq-icon {
  transform: rotate(90deg);
}

.faq-answer {
  padding: 0 var(--spacing-lg) var(--spacing-lg);
  color: var(--text);
  line-height: 1.7;
  font-size: 0.95rem;
}

.faq-answer p {
  margin: 0;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  padding: var(--spacing-2xl) 0 var(--spacing-xl);
  border-top: 1px solid rgba(0, 0, 0, 0.06);
  margin-top: var(--spacing-3xl);
}

.footer .container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-md);
}

.footer-links {
  display: flex;
  gap: var(--spacing-xl);
}

.footer-links a {
  font-size: 0.9rem;
  color: var(--text-muted);
  font-weight: 500;
}

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

.footer-copy {
  font-size: 0.8rem;
  color: var(--text-light);
}

/* ============================================
   REGISTRATION PAGES
   ============================================ */
.page-back {
  display: block;
  text-align: center;
  padding: var(--spacing-lg) 0;
  font-weight: 600;
  color: var(--primary-hover);
  font-size: 0.95rem;
}

.page-back:hover {
  color: var(--secondary);
}

.form-wrapper {
  display: flex;
  justify-content: center;
  align-items: flex-start;
  min-height: calc(100vh - 200px);
  padding: var(--spacing-lg) var(--container-padding);
}

/* Mailchimp Form Overrides */
#mc_embed_signup {
  background: var(--surface) !important;
  padding: var(--spacing-xl) !important;
  border-radius: var(--radius-xl) !important;
  max-width: 480px !important;
  width: 100% !important;
  box-shadow: var(--shadow-card) !important;
  font-family: 'Inter', sans-serif !important;
}

#mc_embed_signup h2 {
  margin-top: 0 !important;
  font-size: 1.5rem !important;
  font-weight: 700 !important;
  color: var(--text-title) !important;
}

#mc_embed_signup .indicates-required {
  font-size: 0.8rem !important;
  color: var(--text-muted) !important;
  margin-top: 8px !important;
  margin-bottom: var(--spacing-lg) !important;
}

#mc_embed_signup .asterisk {
  color: #ef4444 !important;
}

#mc_embed_signup .mc-field-group {
  padding-bottom: 0 !important;
  min-height: auto !important;
}

#mc_embed_signup .mc-field-group label {
  display: block !important;
  margin-bottom: 6px !important;
  font-weight: 600 !important;
  font-size: 0.9rem !important;
  color: var(--text-title) !important;
}

#mc_embed_signup .mc-field-group input[type="text"],
#mc_embed_signup .mc-field-group input[type="email"] {
  width: 100% !important;
  padding: 10px 14px !important;
  border-radius: var(--radius) !important;
  border: 1px solid #e5e7eb !important;
  margin-bottom: var(--spacing-md) !important;
  font-size: 1rem !important;
  font-family: 'Inter', sans-serif !important;
  transition: border-color var(--duration-fast) var(--ease) !important;
  outline: none !important;
}

#mc_embed_signup .mc-field-group input:focus {
  border-color: var(--primary) !important;
  box-shadow: 0 0 0 3px rgba(255, 188, 5, 0.15) !important;
}

#mc_embed_signup .button {
  width: 100% !important;
  background: var(--primary) !important;
  color: var(--text-title) !important;
  padding: 14px !important;
  font-size: 1rem !important;
  font-weight: 600 !important;
  border: none !important;
  border-radius: var(--radius) !important;
  cursor: pointer !important;
  height: auto !important;
  margin: 0 !important;
  font-family: 'Inter', sans-serif !important;
  transition: all var(--duration) var(--ease) !important;
  box-shadow: var(--shadow-soft) !important;
  line-height: 1.4 !important;
}

#mc_embed_signup .button:hover {
  background: var(--primary-hover) !important;
  box-shadow: var(--shadow-elevated) !important;
  transform: scale(1.01) !important;
}

#mc_embed_signup div.response {
  margin: var(--spacing-md) 0 !important;
  padding: var(--spacing-md) !important;
  font-weight: normal !important;
  float: none !important;
  width: auto !important;
  border-radius: var(--radius) !important;
}

#mc_embed_signup #mc-embedded-subscribe-form div.mce_inline_error {
  background-color: transparent !important;
  padding: 0 !important;
  margin-top: -8px !important;
  margin-bottom: 8px !important;
  color: #ef4444 !important;
  font-size: 0.85rem !important;
}

.form-legal {
  text-align: center;
  font-size: 0.82rem;
  color: var(--text-muted);
  max-width: 480px;
  margin: var(--spacing-xl) auto 0;
  line-height: 1.6;
}

.form-legal a {
  color: var(--primary-hover);
  font-weight: 500;
}

.footer-legal {
  text-align: center;
  font-size: 0.82rem;
  color: var(--text-muted);
  padding: var(--spacing-xl) 0;
}

.footer-legal a {
  color: var(--primary-hover);
  font-weight: 500;
}

/* ============================================
   LEGAL PAGES (Privacy, Terms, Impressum)
   ============================================ */
.legal-page {
  max-width: 800px;
  margin: 0 auto;
  padding: var(--spacing-2xl) var(--container-padding);
}

.legal-page h1 {
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--text-title);
  margin-bottom: var(--spacing-xl);
  text-align: center;
}

.legal-page h2 {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text-title);
  margin: var(--spacing-xl) 0 var(--spacing-md);
}

.legal-page h3 {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--text-title);
  margin: var(--spacing-lg) 0 var(--spacing-sm);
}

.legal-page h4 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-title);
  margin: var(--spacing-md) 0 var(--spacing-xs);
}

.legal-page p {
  margin-bottom: var(--spacing-md);
  line-height: 1.7;
}

.legal-page ul {
  margin: 0 0 var(--spacing-md);
  padding-left: 20px;
}

.legal-page li {
  margin-bottom: 6px;
  line-height: 1.6;
}

.legal-page a {
  color: var(--primary-hover);
  text-decoration: underline;
}

.legal-page a:hover {
  color: var(--secondary);
}

.legal-page .service-provider {
  margin: var(--spacing-lg) 0;
}

/* ============================================
   THANK YOU PAGE
   ============================================ */
.thank-you-section {
  text-align: center;
  padding: var(--spacing-4xl) var(--container-padding);
  max-width: 600px;
  margin: 0 auto;
}

.thank-you-section h1 {
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--text-title);
  margin-bottom: var(--spacing-lg);
}

.thank-you-section p {
  font-size: 1.05rem;
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: var(--spacing-md);
}

.thank-you-section .heart {
  font-size: 2rem;
  margin-top: var(--spacing-lg);
}

/* ============================================
   UTILITY: Language Toggle
   ============================================ */
[data-lang] {
  display: none;
}

[data-lang="de"] {
  display: initial;
}

html[lang="en"] [data-lang="de"] {
  display: none;
}

html[lang="en"] [data-lang="en"] {
  display: initial;
}

/* For block-level lang elements */
.lang-block[data-lang] {
  display: none;
}

.lang-block[data-lang="de"] {
  display: block;
}

html[lang="en"] .lang-block[data-lang="de"] {
  display: none;
}

html[lang="en"] .lang-block[data-lang="en"] {
  display: block;
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 768px) {
  :root {
    --container-padding: 16px;
  }

  .hero {
    padding: var(--spacing-2xl) 0 var(--spacing-xl);
  }

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

  .hero-subtitle {
    font-size: 1rem;
    margin-bottom: var(--spacing-2xl);
  }

  .hero-cards {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }

  .steps {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }

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

  .nav-link {
    display: none;
  }

  .footer-links {
    gap: var(--spacing-lg);
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 1.7rem;
  }

  .hero-card {
    padding: var(--spacing-lg);
  }

  .btn-gradient {
    padding: 12px 20px;
    font-size: 0.95rem;
  }

  .legal-page h1 {
    font-size: 1.7rem;
  }
}