@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;500;600;700;800&family=Cinzel:wght@700;800;900&display=swap');

:root {
  /* Colors */
  --bg-app: #f8fafc;
  --bg-surface: #ffffff;
  --primary: #0d9488;
  --primary-hover: #0f766e;
  --primary-glow: rgba(13, 148, 136, 0.1);
  --primary-light: #f0fdfa;
  --primary-border: #ccfbf1;
  --secondary: #64748b;
  --secondary-hover: #475569;
  --secondary-light: #f1f5f9;
  --secondary-border: #e2e8f0;

  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #94a3b8;

  /* Status Colors */
  --status-ok: #0d9488;
  --status-ok-bg: #f0fdfa;
  --status-ok-border: #ccfbf1;
  --status-low: #d97706;
  --status-low-bg: #fffbeb;
  --status-low-border: #fef3c7;
  --status-out: #e11d48;
  --status-out-bg: #fff1f2;
  --status-out-border: #ffe4e6;

  /* Borders & Shadows */
  --border: #e2e8f0;
  --border-focus: #0d9488;
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.08), 0 2px 4px -2px rgb(0 0 0 / 0.08);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.08), 0 4px 6px -4px rgb(0 0 0 / 0.08);
  --shadow-glow: 0 0 15px rgba(13, 148, 136, 0.1);

  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.75rem;
  --radius-lg: 1rem;
  --radius-full: 9999px;

  /* Fonts */
  --font-logo: 'Cinzel', Georgia, serif;
  --font-brand: 'Outfit', -apple-system, sans-serif;
  --font-body: 'Inter', -apple-system, sans-serif;

  /* Transitions */
  --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  scrollbar-gutter: stable;
}

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

/* Header & Navigation */
header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

#btn-header-app {
  margin-right: 0.85rem;
}

.brand {
  gap: 0.5rem;
  font-family: var(--font-brand);
  font-size: 1.55rem;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.025em;
  transition: var(--transition-fast);
  display: flex;
  align-items: center;
  text-decoration: none;
}

.brand:hover {
  opacity: 0.85;
  transform: translateY(-1px);
}

.brand-mark {
  align-items: center;
  background: linear-gradient(135deg, var(--primary), var(--primary-hover));
  border-radius: 0.625rem;
  color: #ffffff;
  display: inline-flex;
  height: 2.25rem;
  justify-content: center;
  width: auto;
  min-width: 2.25rem;
  padding: 0 0.30rem;
  box-shadow: 0 4px 10px rgba(13, 148, 136, 0.25);
  font-family: var(--font-logo);
  font-weight: 800;
  font-size: 1.25rem;
  letter-spacing: -0.05em;
}

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

.nav-links a {
  color: var(--text-secondary);
  font-family: var(--font-brand);
  font-weight: 500;
  text-decoration: none;
  transition: var(--transition-fast);
  font-size: 0.95rem;
}

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

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-md);
  font-family: var(--font-brand);
  font-weight: 600;
  text-decoration: none;
  transition: all var(--transition-normal);
  cursor: pointer;
  border: none;
  gap: 0.5rem;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 4px 12px rgba(13, 148, 136, 0.15);
}

.btn-primary:hover {
  background: var(--primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(13, 148, 136, 0.25);
}

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

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

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.85rem;
  border-radius: var(--radius-sm);
}

/* Hero Section */
.hero {
  position: relative;
  padding: 6rem 1.5rem 5rem;
  max-width: 1160px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 4rem;
  align-items: start;
}

.hero-content {
  padding-top: 1.5rem;
}

.hero-content h1 {
  font-family: var(--font-brand);
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 1.5rem;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

.hero-content p {
  font-size: 1.15rem;
  color: var(--text-secondary);
  margin-bottom: 2.5rem;
  max-width: 520px;
  line-height: 1.7;
}

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

/* App Mockup Widget Styling (White Background, Match FE) */
.hero-visual {
  display: flex;
  justify-content: flex-end;
}

.mockup-container {
  width: 100%;
  max-width: 440px;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: 1.5rem;
  position: relative;
  overflow: hidden;
}

.mockup-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border);
}

.mockup-title {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-brand);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--text-primary);
}

.mockup-pill-btn {
  background: var(--primary-light);
  color: var(--primary);
  border: 1px solid var(--primary-border);
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
}

.mockup-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.mockup-item {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  display: grid;
  gap: 1.125rem;
  padding: 1.25rem;
  transition: all var(--transition-normal);
  position: relative;
}

.mockup-item:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--primary);
}

.item-card-top {
  align-items: flex-start;
  display: flex;
  gap: 1rem;
  justify-content: space-between;
  min-width: 0;
}

.item-title-row {
  align-items: center;
  display: flex;
  gap: 0.875rem;
  min-width: 0;
  flex: 1;
}

.item-category {
  color: var(--text-secondary);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin: 0 0 0.125rem;
}

.item-title-row h3 {
  font-family: var(--font-brand);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0;
}

.status-pill {
  border-radius: var(--radius-full);
  font-size: 0.725rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 0.25rem 0.75rem;
  border: 1px solid transparent;
  display: inline-flex;
  align-items: center;
  line-height: 1;
}

.status-pill.status-ok {
  background: var(--status-ok-bg);
  color: var(--status-ok);
  border-color: var(--status-ok-border);
}

.status-pill.status-low {
  background: var(--status-low-bg);
  color: var(--status-low);
  border-color: var(--status-low-border);
}

.status-pill.status-out {
  background: var(--status-out-bg);
  color: var(--status-out);
  border-color: var(--status-out-border);
}

.item-facts {
  display: grid;
  gap: 0.5rem;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin: 0;
  background: var(--bg-app);
  border-radius: var(--radius-md);
  padding: 0.75rem;
  border: 1px solid var(--border);
}

.item-facts dt {
  color: var(--text-secondary);
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.025em;
  margin-bottom: 0.125rem;
}

.item-facts dd {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0;
}

.mockup-item .action-row {
  margin-top: auto;
  border-top: 1px solid var(--border);
  padding-top: 0.875rem;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.5rem;
}

.btn-action {
  min-height: 2.25rem;
  padding: 0.5rem;
  font-size: 0.825rem;
  width: 100%;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  cursor: pointer;
  border-radius: var(--radius-md);
  font-weight: 600;
  transition: all var(--transition-fast);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.btn-action:hover:not(:disabled) {
  background: var(--secondary-light);
  color: var(--text-primary);
  border-color: var(--text-muted);
}

.btn-action:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-action-primary {
  background: var(--primary-light);
  border-color: var(--primary-border);
  color: var(--primary);
}

.btn-action-primary:hover:not(:disabled) {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

/* Mockup Tabs */
.mockup-tabs {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border);
  margin-bottom: 1.25rem;
}

.mockup-tab {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 1px solid transparent;
  border-radius: var(--radius-full);
  color: var(--text-secondary);
  cursor: pointer;
  padding: 0.5rem 1rem;
  font-size: 0.825rem;
  font-weight: 600;
  transition: var(--transition-fast);
  gap: 0.375rem;
}

.mockup-tab:hover {
  color: var(--text-primary);
  background: var(--secondary-light);
}

.mockup-tab.active {
  background: var(--primary-light);
  border-color: var(--primary-border);
  color: var(--primary);
}

.mockup-tab-badge {
  background: var(--status-out);
  color: #ffffff;
  font-size: 0.725rem;
  font-weight: 700;
  border-radius: var(--radius-full);
  padding: 0.125rem 0.5rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
  min-width: 1.25rem;
  height: 1.25rem;
}

/* Shopping List Section inside Mockup */
.mockup-shopping-list {
  background: var(--bg-surface);
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.shopping-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-primary);
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border);
}

.shopping-items {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  min-height: 50px;
}

.shopping-empty {
  color: var(--status-ok);
  background: var(--status-ok-bg);
  border: 1px solid var(--status-ok-border);
  border-radius: var(--radius-md);
  padding: 1rem;
  text-align: center;
  font-size: 0.9rem;
  font-weight: 500;
}

.mockup-shopping-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.75rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--bg-surface);
}

.shopping-item-details {
  display: flex;
  flex-direction: column;
  min-width: 0;
  flex: 1;
}

.shopping-item-name {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.shopping-meta {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.shopping-stock {
  font-size: 0.85rem;
  color: var(--text-secondary);
  font-weight: 600;
  white-space: nowrap;
}

.mockup-shopping-row .btn-action {
  width: auto;
  min-width: 5.5rem;
}

.shopping-share {
  display: flex;
  justify-content: flex-end;
  margin-top: 0.5rem;
}

/* Mock Alert System */
.mock-alert-container {
  position: absolute;
  top: 1rem;
  left: 1rem;
  right: 1rem;
  z-index: 10;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  pointer-events: none;
}

.mock-alert {
  background: var(--bg-surface);
  border-left: 4px solid var(--primary);
  border-radius: var(--radius-sm);
  padding: 0.75rem 1rem;
  box-shadow: var(--shadow-md);
  border-top: 1px solid var(--border);
  border-right: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  animation: slideIn 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  pointer-events: auto;
}

.mock-alert-low {
  border-left-color: var(--status-low);
}

.mock-alert-out {
  border-left-color: var(--status-out);
}

.mock-alert-content {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-primary);
}

.mock-alert-close {
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 0.8rem;
  padding-left: 0.5rem;
}

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

  to {
    transform: translateY(0);
    opacity: 1;
  }
}

/* Features Section (White Background) */
.section {
  padding: 3.5rem 1.5rem 5rem;
  max-width: 1160px;
  margin: 0 auto;
}

.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-header h2 {
  font-family: var(--font-brand);
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.section-header p {
  color: var(--text-secondary);
  font-size: 1.1rem;
  max-width: 600px;
  margin: 0 auto;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}

.feature-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2.5rem 2rem;
  transition: all var(--transition-normal);
}

.feature-card:hover {
  transform: translateY(-5px);
  border-color: var(--primary);
  box-shadow: var(--shadow-md);
}

.feature-icon {
  width: 3.5rem;
  height: 3.5rem;
  background: var(--primary-light);
  color: var(--primary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
}

.feature-card h3 {
  font-family: var(--font-brand);
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
  color: var(--text-primary);
}

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

/* Pricing Section */
.pricing-cards {
  display: flex;
  gap: 2rem;
  justify-content: center;
  max-width: 900px;
  margin: 0 auto;
}

.pricing-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 3rem 2.5rem;
  flex: 1;
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
}

.pricing-card.premium {
  border-color: var(--primary);
  box-shadow: var(--shadow-glow);
}

.premium-badge {
  position: absolute;
  top: 1.5rem;
  right: -2rem;
  background: var(--primary);
  color: #fff;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 0.25rem 2rem;
  transform: rotate(45deg);
  font-family: var(--font-brand);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.pricing-card h3 {
  font-family: var(--font-brand);
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.price {
  font-family: var(--font-brand);
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 1.5rem;
  display: flex;
  align-items: baseline;
  gap: 0.25rem;
  color: var(--text-primary);
}

.price span {
  font-size: 1rem;
  color: var(--text-secondary);
  font-weight: 400;
}

.pricing-card ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 2.5rem;
  flex-grow: 1;
}

.pricing-card li {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.95rem;
  color: var(--text-secondary);
}

.pricing-card li svg {
  color: var(--primary);
  flex-shrink: 0;
}

/* FAQ Section */
.faq-container {
  max-width: 760px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.faq-item {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all var(--transition-fast);
}

.faq-question {
  width: 100%;
  background: transparent;
  border: none;
  color: var(--text-primary);
  text-align: left;
  padding: 1.25rem 1.5rem;
  font-family: var(--font-brand);
  font-size: 1.05rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.faq-question:hover {
  background: var(--secondary-light);
}

.faq-icon {
  transition: transform var(--transition-normal);
  color: var(--text-secondary);
}

.faq-item.active .faq-icon {
  transform: rotate(180deg);
  color: var(--primary);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-normal) ease-out;
  padding: 0 1.5rem;
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.faq-item.active .faq-answer {
  padding: 0 1.5rem 1.5rem;
  max-height: 200px;
}

/* CTA Footer Block */
.cta-block {
  text-align: center;
  background: var(--bg-surface);
  border-top: 1px solid var(--border);
  padding: 6rem 1.5rem;
}

.cta-block h2 {
  font-family: var(--font-brand);
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 1.5rem;
  color: var(--text-primary);
}

.cta-block p {
  color: var(--text-secondary);
  font-size: 1.1rem;
  margin-bottom: 2rem;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

/* Footer styling */
footer {
  background: var(--bg-app);
  border-top: 1px solid var(--border);
  padding: 3rem 1.5rem;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.footer-container {
  max-width: 1160px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

#footer-copyright a {
  color: var(--primary);
  text-decoration: none;
  font-weight: 500;
  transition: color var(--transition-fast);
}

#footer-copyright a:hover {
  color: var(--primary-hover);
  text-decoration: underline;
}

.footer-links {
  display: flex;
  gap: 1.5rem;
}

.footer-links a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: var(--transition-fast);
}

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

/* Stylized support for markdown-based Legal Pages (Light Mode) */
.legal-page {
  box-sizing: border-box;
  width: min(860px, 100%);
  margin: 0 auto;
  padding: 6rem 1.5rem;
  background: var(--bg-surface);
  color: var(--text-primary);
  font-family: var(--font-body);
}

.legal-page h1,
.legal-page h2 {
  font-family: var(--font-brand);
  line-height: 1.25;
  color: var(--text-primary);
}

.legal-page h1 {
  margin: 0 0 2rem;
  font-size: 2.5rem;
  font-weight: 800;
  border-bottom: 1px solid var(--border);
  padding-bottom: 1rem;
}

.legal-page h2 {
  margin: 2.5rem 0 1rem;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary);
}

.legal-page p,
.legal-page ul {
  margin: 0 0 1.25rem;
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1.7;
}

.legal-page ul {
  padding-left: 1.5rem;
}

.legal-page li {
  margin-bottom: 0.5rem;
}

.legal-page a {
  color: var(--primary);
  text-decoration: none;
  border-bottom: 1px dashed var(--primary);
  transition: var(--transition-fast);
}

.legal-page a:hover {
  color: var(--primary-hover);
  border-bottom-style: solid;
}

/* Responsive Breakpoints */
@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
    gap: 2rem;
    padding: 3rem 1.5rem 2.5rem;
    text-align: center;
  }

  .hero-content {
    padding-top: 0;
  }

  .hero-content h1 {
    font-size: clamp(1.6rem, 7vw, 2.4rem);
    line-height: 1.2;
    margin-bottom: 1.25rem;
  }

  .hero-content p {
    margin-left: auto;
    margin-right: auto;
    font-size: 1.05rem;
    margin-bottom: 1.75rem;
  }

  .hero-buttons {
    justify-content: center;
  }

  .hero-visual {
    justify-content: center;
  }

  .nav-links {
    display: none;
  }

  #btn-header-app {
    margin-right: 0;
  }

  .section {
    padding: 2.5rem 1.5rem 3.5rem;
  }

  .section-header {
    margin-bottom: 2.5rem;
  }

  .section-header h2,
  .cta-block h2 {
    font-size: clamp(1.4rem, 6vw, 2rem);
    line-height: 1.25;
  }

  .features-grid {
    gap: 1.25rem;
  }

  .feature-card {
    padding: 2rem 1.5rem;
  }

  .pricing-cards {
    flex-direction: column;
    max-width: 450px;
    gap: 1.25rem;
  }

  .pricing-card {
    padding: 2.5rem 1.75rem;
  }

  .pricing-card h3 {
    font-size: 1.35rem;
  }

  .cta-block {
    padding: 3.5rem 1.5rem;
  }

  .footer-container {
    flex-direction: column;
    gap: 1.5rem;
    text-align: center;
  }

  .legal-page {
    padding: 3rem 1.25rem;
  }

  .legal-page h1 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
  }
}