/* ==========================================================================
   SDO Pharma — Corporate Pharmaceutical Website
   ========================================================================== */

:root {
  --color-primary: #0b5d63;
  --color-primary-dark: #073f43;
  --color-primary-light: #e7f3f2;
  --color-accent: #1a7f87;
  --color-ink: #16232a;
  --color-body: #3d4b52;
  --color-muted: #6b7880;
  --color-border: #dfe6e6;
  --color-bg: #ffffff;
  --color-bg-alt: #f6f9f9;
  --color-warn-bg: #fff8e6;
  --color-warn-border: #e8cf8a;
  --color-warn-text: #5c4a12;
  --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-heading: Georgia, "Times New Roman", serif;
  --radius: 10px;
  --shadow: 0 2px 14px rgba(11, 93, 99, 0.08);
  --max-width: 1180px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--color-body);
  background: var(--color-bg);
  line-height: 1.6;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

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

a { color: var(--color-primary); text-decoration: none; }
a:hover { text-decoration: underline; }

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  color: var(--color-ink);
  line-height: 1.25;
  margin: 0 0 0.6em;
  font-weight: 700;
}

h1 { font-size: clamp(2rem, 4vw, 2.75rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.1rem); }
h3 { font-size: 1.25rem; }

p { margin: 0 0 1em; }

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

section { padding: 64px 0; }
.section-alt { background: var(--color-bg-alt); }

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--color-accent);
  margin-bottom: 0.75em;
  display: block;
}

.section-head {
  max-width: 720px;
  margin-bottom: 40px;
}
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.section-head.wide { max-width: none; }

/* Skip link */
.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--color-primary);
  color: #fff;
  padding: 10px 16px;
  z-index: 1000;
  border-radius: 0 0 6px 0;
}
.skip-link:focus {
  left: 0;
}

/* Focus visibility */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 2px;
}

/* ---------------- Header ---------------- */
.site-header {
  border-bottom: 1px solid var(--color-border);
  background: #fff;
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.4rem;
  color: var(--color-primary-dark);
}
.brand:hover { text-decoration: none; }
.brand-icon {
  height: 34px;
  width: auto;
  display: block;
  flex-shrink: 0;
}
.brand-name {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.35rem;
  color: inherit;
  white-space: nowrap;
}
.brand-text-sub {
  display: block;
  font-family: var(--font-body);
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-muted);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 28px;
}
.main-nav a {
  color: var(--color-ink);
  font-weight: 600;
  font-size: 0.96rem;
}
.main-nav a[aria-current="page"] {
  color: var(--color-primary);
}
.main-nav a:hover { color: var(--color-primary); }

.header-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: 8px;
  font-weight: 700;
  font-size: 0.95rem;
  border: 2px solid transparent;
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}
.btn:hover { text-decoration: none; }

.btn-primary {
  background: var(--color-primary);
  color: #fff;
}
.btn-primary:hover { background: var(--color-primary-dark); }

.btn-outline {
  background: transparent;
  border-color: var(--color-primary);
  color: var(--color-primary);
}
.btn-outline:hover { background: var(--color-primary-light); }

.btn-sm { padding: 9px 18px; font-size: 0.88rem; }

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  padding: 8px 10px;
  cursor: pointer;
}
.nav-toggle svg { display: block; }

/* ---------------- Hero ---------------- */
.hero {
  background: linear-gradient(180deg, var(--color-primary-light) 0%, #ffffff 100%);
  padding: 72px 0 64px;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
}
.hero h1 { margin-bottom: 0.5em; }
.hero-lead {
  font-size: 1.15rem;
  color: var(--color-body);
  max-width: 560px;
}
.hero-lead.wide { max-width: none; }
.hero-ctas {
  display: flex;
  gap: 14px;
  margin-top: 28px;
  flex-wrap: wrap;
}
.hero-media {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  aspect-ratio: 4/3;
}
.hero-media img { width: 100%; height: 100%; object-fit: cover; }

.hero-note {
  margin-top: 24px;
  font-size: 0.88rem;
  color: var(--color-muted);
  display: flex;
  gap: 8px;
  align-items: flex-start;
}

/* ---------------- Cards / Grids ---------------- */
.grid {
  display: grid;
  gap: 28px;
}
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow);
}
.card h3 { margin-bottom: 0.5em; }
.card p:last-child { margin-bottom: 0; }

.icon-circle {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--color-primary-light);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
}
.icon-circle svg { width: 24px; height: 24px; }

/* ---------------- Value strip ---------------- */
.value-strip {
  background: var(--color-primary-dark);
  color: #fff;
}
.value-strip .grid { text-align: center; }
.value-strip h3 { color: #fff; font-size: 1.05rem; margin-bottom: 0.3em; }
.value-strip p { color: rgba(255,255,255,0.75); font-size: 0.9rem; margin: 0; }
.value-strip .icon-circle { background: rgba(255,255,255,0.12); color: #fff; margin: 0 auto 14px; }

/* ---------------- Steps ---------------- */
.steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 22px;
}
.step {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 20px;
  align-items: flex-start;
}
.step-num {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--color-primary-light);
  color: var(--color-primary-dark);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.3rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ---------------- Callout / Notice boxes ---------------- */
.notice {
  border: 1px solid var(--color-warn-border);
  background: var(--color-warn-bg);
  color: var(--color-warn-text);
  border-radius: var(--radius);
  padding: 20px 24px;
  font-size: 0.95rem;
}
.notice strong { color: var(--color-warn-text); }

.info-box {
  border: 1px solid var(--color-border);
  background: var(--color-bg-alt);
  border-radius: var(--radius);
  padding: 20px 24px;
  font-size: 0.95rem;
}

.placeholder {
  color: var(--color-muted);
  font-style: italic;
}

/* ---------------- Page hero (inner pages) ---------------- */
.page-hero {
  background: var(--color-primary-light);
  padding: 48px 0;
  border-bottom: 1px solid var(--color-border);
}
.page-hero h1 { margin-bottom: 0.3em; }
.breadcrumb {
  font-size: 0.85rem;
  color: var(--color-muted);
  margin-bottom: 14px;
}
.breadcrumb a { color: var(--color-muted); }
.breadcrumb a:hover { color: var(--color-primary); }

/* ---------------- Table ---------------- */
table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5em 0;
  font-size: 0.95rem;
}
th, td {
  text-align: left;
  padding: 12px 16px;
  border: 1px solid var(--color-border);
}
th {
  background: var(--color-bg-alt);
  font-weight: 700;
  color: var(--color-ink);
}

/* ---------------- Products ---------------- */
.filter-bar {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 32px;
}
.filter-bar button {
  background: #fff;
  border: 1px solid var(--color-border);
  padding: 9px 18px;
  border-radius: 999px;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--color-body);
  cursor: pointer;
}
.filter-bar button[aria-pressed="true"] {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}

.product-card {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 24px;
  background: #fff;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.product-card .tag {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--color-primary-light);
  color: var(--color-primary-dark);
  width: fit-content;
}
.product-card .tag.rx {
  background: #fdeee0;
  color: #8a4a08;
}
.product-card dl {
  margin: 6px 0 0;
  font-size: 0.88rem;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 4px 10px;
}
.product-card dt { color: var(--color-muted); }
.product-card dd { margin: 0; color: var(--color-body); }

/* ---------------- FAQ ---------------- */
.faq-item {
  border-bottom: 1px solid var(--color-border);
}
.faq-item:first-child { border-top: 1px solid var(--color-border); }
.faq-q {
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  padding: 20px 4px;
  font-size: 1.02rem;
  font-weight: 700;
  color: var(--color-ink);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  cursor: pointer;
  font-family: var(--font-body);
}
.faq-q .plus { transition: transform 0.2s ease; flex-shrink: 0; }
.faq-q[aria-expanded="true"] .plus { transform: rotate(45deg); }
.faq-a {
  padding: 0 4px 20px;
  color: var(--color-body);
  display: none;
}
.faq-item.open .faq-a { display: block; }

/* ---------------- Form ---------------- */
.form-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}
.form-field { display: flex; flex-direction: column; gap: 6px; }
.form-field.full { grid-column: 1 / -1; }
label {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--color-ink);
}
input, textarea, select {
  font: inherit;
  padding: 12px 14px;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  background: #fff;
  color: var(--color-ink);
}
textarea { resize: vertical; min-height: 120px; }
.required { color: #a33; }
.form-help { font-size: 0.82rem; color: var(--color-muted); }

/* ---------------- Contact info blocks ---------------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}
.contact-detail {
  display: flex;
  gap: 16px;
  margin-bottom: 24px;
}
.contact-detail .icon-circle { flex-shrink: 0; margin-bottom: 0; }
.contact-detail h3 { margin-bottom: 0.2em; font-size: 1rem; }
.contact-detail p { margin: 0; color: var(--color-body); }

/* ---------------- Footer ---------------- */
.site-footer {
  background: var(--color-primary-dark);
  color: rgba(255,255,255,0.85);
}
.footer-disclaimer {
  background: #062a2d;
  padding: 28px 0;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.footer-disclaimer .container { max-width: var(--max-width); }
.footer-disclaimer p {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.65;
  color: #fff;
}
.footer-disclaimer strong {
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-size: 0.85rem;
  display: block;
  margin-bottom: 8px;
  color: #ffe8a3;
}

.footer-main {
  padding: 48px 0 24px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 32px;
}
.footer-grid h4 {
  color: #fff;
  font-family: var(--font-body);
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 16px;
}
.footer-grid ul { list-style: none; margin: 0; padding: 0; }
.footer-grid li { margin-bottom: 10px; }
.footer-grid a { color: rgba(255,255,255,0.75); font-size: 0.92rem; }
.footer-grid a:hover { color: #fff; }
.footer-brand p { color: rgba(255,255,255,0.7); font-size: 0.92rem; max-width: 320px; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.12);
  padding-top: 20px;
  padding-bottom: 20px;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.6);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------------- Utility ---------------- */
.text-center { text-align: center; }
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }
.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}
.list-check {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}
.list-check li {
  display: flex;
  gap: 10px;
  align-items: flex-start;
}
.list-check svg { flex-shrink: 0; margin-top: 3px; color: var(--color-primary); }

.cta-band {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: #fff;
  border-radius: var(--radius);
  padding: 48px;
  text-align: center;
}
.cta-band h2 { color: #fff; }
.cta-band p { color: rgba(255,255,255,0.85); max-width: 560px; margin: 0 auto 24px; }
.cta-band .btn-outline { border-color: #fff; color: #fff; }
.cta-band .btn-outline:hover { background: rgba(255,255,255,0.12); }

/* ---------------- Product page ---------------- */
.product-hero-grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 48px;
  align-items: start;
}
.product-media {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-bg-alt);
  aspect-ratio: 4/3;
  max-height: 420px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  color: var(--color-muted);
  text-align: center;
  padding: 24px;
}
.product-media svg { width: 56px; height: 56px; color: var(--color-accent); }
.product-media span { font-size: 0.85rem; max-width: 220px; }
.product-media.has-image { padding: 0; overflow: hidden; background: #fff; }
.product-media.has-image img { width: 100%; height: 100%; object-fit: contain; display: block; }
.product-title-row {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 0.4em;
}
.product-meta {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 8px 16px;
  font-size: 0.92rem;
  margin: 20px 0;
}
.product-meta dt { color: var(--color-muted); font-weight: 600; }
.product-meta dd { margin: 0; color: var(--color-body); }

.consent-text {
  font-size: 0.82rem;
  color: var(--color-muted);
  margin-top: 14px;
}

.honeypot-field {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

/* ---------------- Responsive ---------------- */
@media (max-width: 960px) {
  .hero-grid, .two-col, .contact-grid, .product-hero-grid { grid-template-columns: 1fr; }
  .hero-media { order: -1; }
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 720px) {
  .main-nav, .header-actions .btn-outline { display: none; }
  .nav-toggle { display: inline-flex; }
  .header-actions { gap: 10px; }
  .site-header.nav-open .main-nav {
    display: flex;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #fff;
    border-bottom: 1px solid var(--color-border);
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: 8px 24px 16px;
  }
  .site-header.nav-open .main-nav a {
    padding: 12px 0;
    width: 100%;
    border-bottom: 1px solid var(--color-border);
  }
  .grid-3, .grid-4, .grid-2 { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  section { padding: 44px 0; }
  .cta-band { padding: 32px 20px; }
}