/* --- Modern Ingredient Detective Stylesheet --- */
:root {
  --font-main: 'Inter', 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
  --font-heading: 'Inter', 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
  --color-bg: #f7fbff;
  --color-primary: #1769aa;
  --color-accent: #1db954;
  --color-warning: #ffb800;
  --color-danger: #e53e3e;
  --color-border: #e0e7ef;
  --color-card: #fff;
  --color-muted: #888;
  --color-heading: #14213d;
  --color-link-hover: #1769aa;
  --color-focus: #ffe066;
}

html, body {
  font-family: var(--font-main);
  background: var(--color-bg);
  color: #222;
  margin: 0;
  padding: 0;
  min-height: 100vh;
  font-size: 18px;
  line-height: 1.7;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--color-heading);
  margin-top: 0;
  font-weight: 800;
  letter-spacing: -0.5px;
}

h1 { font-size: 2.2rem; margin-bottom: 0.5em; }
h2 { font-size: 1.5rem; margin-bottom: 0.5em; }
h3 { font-size: 1.15rem; margin-bottom: 0.25em; }

header {
  background: #fff;
  box-shadow: 0 1px 12px rgba(30,80,160,0.06);
  padding: 1.2rem 0 0.7rem 0;
  margin-bottom: 1.2rem;
  text-align: center;
}
header h1 { margin: 0.2em 0 0.1em 0; }
header nav { margin-top: 0.5em; }
header a {
  color: var(--color-primary);
  font-weight: 600;
  text-decoration: none;
  margin: 0 0.7em;
  padding: 0.2em 0.5em;
  border-radius: 0.3em;
  transition: background 0.15s, color 0.15s;
}
header a:hover, header a:focus {
  background: var(--color-primary);
  color: #fff;
  outline: none;
}

footer {
  font-size: 1rem;
  background: #f6fafd;
  color: var(--color-muted);
  padding: 1.5rem 0 0.8rem 0;
  text-align: center;
  border-top: 1px solid #e0e7ef;
}

main {
  max-width: 900px;
  margin: 0 auto;
  padding: 2rem 1.5rem 1.5rem 1.5rem;
  display: block;
}

.hero-section {
  text-align: center;
  align-items: center !important;
  justify-content: center !important;
}

.hero-section > div {
  text-align: center !important;
}

.grid, .grid > * {
  justify-content: center !important;
  align-items: center !important;
}

.feature-card {
  text-align: center;
  margin-left: auto;
  margin-right: auto;
  max-width: 420px;
  width: 100%;
  box-sizing: border-box;
}

main > section {
  margin-left: auto;
  margin-right: auto;
  margin-bottom: 3rem;
  max-width: 100%;
  width: 100%;
  box-sizing: border-box;
}

.analyzer-section,
.blog-preview {
  margin-left: auto;
  margin-right: auto;
  max-width: 700px;
  width: 100%;
  text-align: center;
}

.grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  justify-items: center;
}
@media (min-width: 768px) {
  .grid {
    grid-template-columns: 1fr 1fr;
  }
  .feature-card {
    max-width: 420px;
  }
  main > section {
    padding-left: 0;
    padding-right: 0;
  }
}
@media (max-width: 600px) {
  main {
    padding-left: 0.5rem;
    padding-right: 0.5rem;
  }
  .feature-card {
    padding: 1.2rem 0.7rem;
  }
  .analyzer-section,
  .blog-preview {
    padding: 1.2rem 0.7rem;
  }
}

.blog-preview {
  text-align: center;
}

@media (min-width: 768px) {
  .hero-section > div {
    text-align: center !important;
  }
}


section {
  background: var(--color-card);
  border-radius: 1.2rem;
  box-shadow: 0 4px 16px rgba(30,80,160,0.07);
  margin-bottom: 2.5rem;
  padding: 2.5rem 2rem;
  border: 1px solid var(--color-border);
}

ul, ol {
  padding-left: 2rem;
}

li {
  margin-bottom: 0.7em;
}

button, .btn {
  font-family: var(--font-main);
  background: var(--color-primary);
  color: #fff;
  border: none;
  border-radius: 0.5rem;
  padding: 0.6rem 1.5rem;
  font-size: 1.1rem;
  cursor: pointer;
  font-weight: 600;
  box-shadow: 0 1px 3px rgba(30,80,160,0.04);
  transition: background 0.15s, box-shadow 0.15s;
  outline: none;
}
button:hover, .btn:hover, button:focus, .btn:focus {
  background: var(--color-accent);
  color: #fff;
  box-shadow: 0 2px 8px rgba(30,80,160,0.10);
}
button:focus-visible, .btn:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 2px;
}

input[type="text"], input[type="search"], select, textarea {
  font-family: var(--font-main);
  font-size: 1rem;
  padding: 0.6rem;
  border: 1px solid var(--color-border);
  border-radius: 0.5rem;
  margin-bottom: 0.7rem;
  background: #f9fbfd;
  transition: border 0.15s;
}
input:focus, textarea:focus, select:focus {
  border-color: var(--color-primary);
  outline: 2px solid var(--color-focus);
}

.explainer {
  color: #444;
  font-size: 1.06rem;
  margin-bottom: 1.2rem;
  background: #f6fafd;
  border-left: 4px solid var(--color-primary);
  padding: 0.7em 1.1em;
  border-radius: 0.4em;
}

.taxo-cards {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
  justify-content: center;
  margin: 2.5rem 0;
}
.taxo-card {
  background: #fafdff;
  border-radius: 1.2rem;
  box-shadow: 0 2px 10px rgba(30,80,160,0.08);
  padding: 2.2rem 1.7rem;
  min-width: 220px;
  max-width: 340px;
  flex: 1 0 220px;
  text-align: center;
  border: 1px solid #e0e7ef;
  transition: box-shadow 0.2s, border-color 0.2s;
  position: relative;
}
.taxo-card:hover, .taxo-card:focus-within {
  box-shadow: 0 6px 24px rgba(30,80,160,0.14);
  border-color: var(--color-primary);
  z-index: 2;
}
.taxo-card h3 {
  font-size: 1.35rem;
  margin-bottom: 0.6rem;
}
.taxo-card p {
  font-size: 1.05rem;
  color: #444;
  margin-bottom: 0.5rem;
}

.error {
  background: #fff4f4;
  border: 1px solid var(--color-danger);
  color: var(--color-danger);
  font-weight: bold;
  border-radius: 0.5em;
  padding: 1em 1.2em;
  margin: 2em 0 1.5em 0;
  text-align: center;
}

@media (max-width: 900px) {
  main {
    padding: 1rem 0.5rem 1rem 0.5rem;
  }
  section {
    padding: 1.2rem 0.7rem;
  }
  .taxo-cards {
    flex-direction: column;
    gap: 1.3rem;
  }
}

@media (max-width: 500px) {
  h1 { font-size: 1.3rem; }
  h2 { font-size: 1.05rem; }
  section { padding: 0.7rem 0.2rem; }
  .taxo-card { padding: 1.1rem 0.7rem; }
}


/* --- Modern Homepage Redesign --- */

.modern-nav {
  background: #fff;
  box-shadow: 0 2px 16px rgba(30,80,160,0.07);
  position: sticky;
  top: 0;
  z-index: 100;
  padding: 0.5rem 0;
}
.nav-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}
.brand {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  text-decoration: none;
}
.logo {
  border-radius: 0.6rem;
  background: #eaf6ff;
  box-shadow: 0 2px 8px rgba(30,80,160,0.07);
}
.brand-name {
  font-size: 1.5rem;
  font-weight: 900;
  color: var(--color-primary);
  letter-spacing: -1px;
}
.nav-links {
  display: flex;
  gap: 1.5rem;
}
.nav-links a {
  color: var(--color-heading);
  font-weight: 600;
  font-size: 1.1rem;
  text-decoration: none;
  border-radius: 0.4em;
  padding: 0.3em 0.8em;
  transition: background 0.15s, color 0.15s;
}
.nav-links a:hover, .nav-links a:focus {
  background: var(--color-primary);
  color: #fff;
}

@media (max-width: 700px) {
  .nav-content { flex-direction: column; gap: 0.7rem; padding: 0 0.7rem; }
  .nav-links { gap: 0.7rem; flex-wrap: wrap; justify-content: center; }
  .brand-name { font-size: 1.1rem; }
}

.modern-hero {
  background: linear-gradient(120deg, #eaf6ff 60%, #e8f9f0 100%);
  border-radius: 2rem;
  margin: 2.5rem auto 2.5rem auto;
  max-width: 1200px;
  box-shadow: 0 8px 36px rgba(30,80,160,0.09);
  padding: 3.5rem 2.5rem 2.5rem 2.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
}
.hero-content {
  display: flex;
  align-items: center;
  gap: 3rem;
  width: 100%;
}
.hero-text {
  flex: 1 1 0%;
  min-width: 260px;
}
.hero-title {
  font-size: 2.8rem;
  font-weight: 900;
  color: var(--color-primary);
  margin-bottom: 0.6em;
  letter-spacing: -1.5px;
  line-height: 1.15;
}
.hero-subtitle {
  color: #205070;
  font-size: 1.3rem;
  margin-bottom: 2em;
  font-weight: 400;
}
.hero-cta-group {
  display: flex;
  gap: 1.2rem;
  flex-wrap: wrap;
}
.btn {
  display: inline-block;
  font-family: var(--font-main);
  font-weight: bold;
  border-radius: 0.7rem;
  padding: 0.85em 2.3em;
  font-size: 1.2rem;
  border: none;
  cursor: pointer;
  transition: background 0.15s, color 0.15s, box-shadow 0.15s;
  box-shadow: 0 2px 8px rgba(30,80,160,0.07);
  text-decoration: none;
}
.btn-primary {
  background: var(--color-primary);
  color: #fff;
}
.btn-primary:hover, .btn-primary:focus {
  background: var(--color-accent);
  color: #fff;
}
.btn-secondary {
  background: #fff;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}
.btn-secondary:hover, .btn-secondary:focus {
  background: var(--color-primary);
  color: #fff;
}
.btn-lg { font-size: 1.25rem; padding: 1em 2.8em; }

.hero-image {
  flex: 1 1 0%;
  display: flex;
  justify-content: center;
  align-items: center;
}
.hero-graphic {
  max-width: 340px;
  width: 100%;
  height: auto;
  border-radius: 1.1rem;
  box-shadow: 0 4px 24px rgba(30,80,160,0.11);
}

@media (max-width: 1000px) {
  .modern-hero { flex-direction: column; padding: 2.2rem 0.7rem; }
  .hero-content { flex-direction: column; gap: 2.2rem; }
}
@media (max-width: 600px) {
  .modern-hero { margin: 1rem 0.1rem; padding: 1.2rem 0.2rem; }
  .hero-title { font-size: 1.5rem; }
  .hero-subtitle { font-size: 1rem; }
}

.features-section {
  max-width: 1200px;
  margin: 0 auto 2.5rem auto;
  padding: 0;
}
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 2.5rem;
  margin: 0 auto;
}
.feature-card {
  background: #fff;
  border: 1.5px solid var(--color-border);
  border-radius: 1.4rem;
  box-shadow: 0 2px 14px rgba(30,80,160,0.08);
  padding: 2.2rem 1.7rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  transition: box-shadow 0.18s, border-color 0.18s;
  min-height: 320px;
}
.feature-card:hover, .feature-card:focus-within {
  box-shadow: 0 8px 32px rgba(30,80,160,0.15);
  border-color: var(--color-primary);
  z-index: 2;
}
.feature-icon {
  font-size: 2.5rem;
  margin-bottom: 1.1rem;
}
.feature-card h2 {
  font-size: 1.3rem;
  font-weight: 800;
  margin-bottom: 0.5rem;
  color: var(--color-primary);
}
.feature-card p {
  color: #3b4d5c;
  font-size: 1.07rem;
  margin-bottom: 1.2rem;
}

/* Modern Footer */
.modern-footer {
  background: #f7fbff;
  border-top: 1.5px solid var(--color-border);
  padding: 2.2rem 0 1.2rem 0;
  margin-top: 2.5rem;
}
.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  font-size: 1rem;
}
.footer-brand {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  font-weight: 700;
  color: var(--color-primary);
}
.footer-logo {
  height: 2rem;
  width: auto;
  border-radius: 0.5rem;
  background: #eaf6ff;
}
.footer-links {
  display: flex;
  gap: 1.2rem;
}
.footer-links a {
  color: var(--color-muted);
  text-decoration: none;
  font-weight: 600;
  transition: color 0.13s;
}
.footer-links a:hover, .footer-links a:focus {
  color: var(--color-primary);
}
.footer-social {
  display: flex;
  gap: 1rem;
}
.footer-social img {
  height: 1.6rem;
  width: 1.6rem;
  filter: grayscale(0.5) brightness(0.9);
  transition: filter 0.15s;
}
.footer-social img:hover, .footer-social img:focus {
  filter: none;
}
@media (max-width: 900px) {
  .footer-content { flex-direction: column; gap: 1.2rem; align-items: flex-start; }
}

/* --- End modern stylesheet --- */