/* ===== NourishAU — Global Styles ===== */
:root {
  --clr-bg:       #FAFAF7;
  --clr-surface:  #FFFFFF;
  --clr-text:     #2B2B2B;
  --clr-text-mid: #5A5A5A;
  --clr-text-lt:  #8A8A8A;
  --clr-accent:   #3A7D5C;
  --clr-accent-lt:#E8F3ED;
  --clr-border:   #E4E4E0;
  --clr-hero-overlay: rgba(30,40,32,.55);
  --font-display: 'DM Serif Display', Georgia, serif;
  --font-body:    'IBM Plex Sans', 'Segoe UI', sans-serif;
  --max-w:        1140px;
  --radius:       6px;
  --shadow-sm:    0 1px 3px rgba(0,0,0,.06);
  --shadow-md:    0 4px 14px rgba(0,0,0,.08);
  --transition:   .25s ease;
}

/* ===== Reset ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  color: var(--clr-text);
  background: var(--clr-bg);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--clr-accent); text-decoration: none; transition: color var(--transition); }
a:hover { color: #2a5c43; }
ul, ol { list-style: none; }

/* ===== Typography ===== */
h1, h2, h3 { font-family: var(--font-display); color: var(--clr-text); line-height: 1.25; }
h1 { font-size: clamp(2rem, 4vw, 3rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.2rem); margin-bottom: .6em; }
h3 { font-size: 1.25rem; margin-bottom: .4em; }
p  { margin-bottom: 1rem; color: var(--clr-text-mid); }

/* ===== Layout ===== */
.container { width: 92%; max-width: var(--max-w); margin: 0 auto; }
.section   { padding: 5rem 0; }
.section--alt { background: var(--clr-surface); }

/* ===== Header / Nav ===== */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: var(--clr-surface);
  border-bottom: 1px solid var(--clr-border);
}
.nav-wrap {
  display: flex; align-items: center; justify-content: space-between;
  height: 68px;
}
.logo {
  font-family: var(--font-display);
  font-size: 1.45rem;
  color: var(--clr-accent);
  letter-spacing: -.02em;
}
.logo span { color: var(--clr-text); }
.nav-links { display: flex; gap: 1.6rem; align-items: center; }
.nav-links a {
  font-size: .88rem;
  font-weight: 500;
  color: var(--clr-text-mid);
  letter-spacing: .01em;
  position: relative;
  padding-bottom: 2px;
}
.nav-links a::after {
  content: '';
  position: absolute; bottom: -2px; left: 0;
  width: 0; height: 2px;
  background: var(--clr-accent);
  transition: width var(--transition);
}
.nav-links a:hover, .nav-links a.active { color: var(--clr-accent); }
.nav-links a:hover::after, .nav-links a.active::after { width: 100%; }

/* Mobile menu toggle */
.nav-toggle { display: none; background: none; border: none; cursor: pointer; padding: 6px; }
.nav-toggle span {
  display: block; width: 22px; height: 2px;
  background: var(--clr-text); margin: 5px 0;
  transition: var(--transition);
}

/* ===== Hero ===== */
.hero {
  position: relative;
  min-height: 480px;
  display: flex; align-items: center;
  background-size: cover; background-position: center;
  color: #fff;
}
.hero::before {
  content: '';
  position: absolute; inset: 0;
  background: var(--clr-hero-overlay);
}
.hero .container { position: relative; z-index: 1; }
.hero h1 { color: #fff; margin-bottom: .5em; max-width: 640px; }
.hero p  { color: rgba(255,255,255,.88); font-size: 1.1rem; max-width: 560px; margin-bottom: 1.5em; }

/* ===== Buttons ===== */
.btn {
  display: inline-block;
  padding: .72em 1.8em;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: .92rem;
  transition: background var(--transition), transform var(--transition);
  border: none;
  cursor: pointer;
}
.btn--primary { background: var(--clr-accent); color: #fff; }
.btn--primary:hover { background: #2f6a4d; color: #fff; transform: translateY(-1px); }
.btn--outline {
  background: transparent; color: var(--clr-accent);
  border: 1.5px solid var(--clr-accent);
}
.btn--outline:hover { background: var(--clr-accent-lt); }

/* ===== Cards ===== */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.8rem;
}
.card {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: box-shadow var(--transition), transform var(--transition);
}
.card:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); }
.card img { width: 100%; height: 220px; object-fit: cover; }
.card-body { padding: 1.4rem; }
.card-body h3 { font-size: 1.15rem; }
.card-body p  { font-size: .92rem; }

/* ===== Page Header (inner pages) ===== */
.page-header {
  position: relative;
  height: 300px;
  display: flex; align-items: center; justify-content: center;
  background-size: cover; background-position: center;
  text-align: center; color: #fff;
}
.page-header::before {
  content: '';
  position: absolute; inset: 0;
  background: var(--clr-hero-overlay);
}
.page-header .container { position: relative; z-index: 1; }
.page-header h1 { color: #fff; margin-bottom: .3em; }
.page-header p  { color: rgba(255,255,255,.85); max-width: 520px; margin: 0 auto; }

/* ===== Content blocks ===== */
.content-block { max-width: 780px; margin: 0 auto; }
.content-block h2 { margin-top: 2.2rem; }
.content-block ul, .content-block ol {
  margin: .8rem 0 1.2rem 1.4rem;
  list-style: disc;
  color: var(--clr-text-mid);
}
.content-block ol { list-style: decimal; }
.content-block li { margin-bottom: .4rem; line-height: 1.6; }

/* ===== Two-col layout ===== */
.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}
.two-col img { border-radius: var(--radius); }
.two-col--reverse img { order: -1; }

/* ===== Calorie table ===== */
.cal-table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
  font-size: .92rem;
}
.cal-table th, .cal-table td {
  text-align: left;
  padding: .75rem 1rem;
  border-bottom: 1px solid var(--clr-border);
}
.cal-table th {
  background: var(--clr-accent-lt);
  font-weight: 600;
  color: var(--clr-text);
}
.cal-table tr:hover td { background: #f7f7f4; }

/* ===== Contact Form ===== */
.form-wrap {
  max-width: 560px;
  margin: 0 auto;
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius);
  padding: 2.4rem;
}
.form-wrap label {
  display: block;
  font-size: .88rem;
  font-weight: 600;
  margin-bottom: .35rem;
  color: var(--clr-text);
}
.form-wrap input,
.form-wrap textarea,
.form-wrap select {
  width: 100%;
  padding: .65rem .9rem;
  border: 1px solid var(--clr-border);
  border-radius: var(--radius);
  font-size: .95rem;
  font-family: var(--font-body);
  margin-bottom: 1.2rem;
  transition: border-color var(--transition);
  background: var(--clr-bg);
}
.form-wrap input:focus,
.form-wrap textarea:focus,
.form-wrap select:focus {
  outline: none;
  border-color: var(--clr-accent);
}
.form-wrap textarea { resize: vertical; min-height: 110px; }

/* ===== About values ===== */
.values-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 1.8rem;
  margin-top: 2rem;
}
.value-card {
  padding: 1.8rem;
  border: 1px solid var(--clr-border);
  border-radius: var(--radius);
  background: var(--clr-surface);
  text-align: center;
}
.value-card .icon {
  font-size: 2rem;
  margin-bottom: .6rem;
  display: block;
}

/* ===== Footer ===== */
.site-footer {
  background: #2B2B2B;
  color: #ccc;
  padding: 3rem 0 1.5rem;
  font-size: .88rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 2rem;
  margin-bottom: 2rem;
}
.footer-grid h4 {
  font-family: var(--font-display);
  color: #fff;
  margin-bottom: .8rem;
  font-size: 1.05rem;
}
.footer-grid a { color: #aaa; }
.footer-grid a:hover { color: var(--clr-accent); }
.footer-grid ul li { margin-bottom: .45rem; }
.footer-bottom {
  border-top: 1px solid #444;
  padding-top: 1.2rem;
  text-align: center;
  color: #777;
  font-size: .82rem;
}

/* ===== Breadcrumb ===== */
.breadcrumb {
  padding: .8rem 0;
  font-size: .84rem;
  color: var(--clr-text-lt);
}
.breadcrumb a { color: var(--clr-text-lt); }
.breadcrumb a:hover { color: var(--clr-accent); }
.breadcrumb span { margin: 0 .35rem; }

/* ===== Disclaimer strip ===== */
.disclaimer {
  background: var(--clr-accent-lt);
  padding: .9rem 0;
  font-size: .82rem;
  color: var(--clr-text-mid);
  text-align: center;
}

/* ===== Responsive ===== */
@media (max-width: 900px) {
  .two-col { grid-template-columns: 1fr; }
  .two-col--reverse img { order: 0; }
  .footer-grid { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .nav-links {
    position: fixed; inset: 0; top: 68px;
    background: var(--clr-surface);
    flex-direction: column;
    padding: 2rem;
    gap: 1.4rem;
    transform: translateX(100%);
    transition: transform var(--transition);
  }
  .nav-links.open { transform: translateX(0); }
  .nav-toggle { display: block; }
  .hero { min-height: 360px; }
  .page-header { height: 220px; }
  .card-grid { grid-template-columns: 1fr; }
}