:root {
  --color-primary: #0f6e5c;      /* trustworthy teal-green */
  --color-primary-dark: #0b5245;
  --color-accent: #1d7fd1;       /* clean medical blue for links */
  --color-deal: #b8451a;         /* warm, non-alarming "deal" accent */
  --color-bg: #f7f9f9;
  --color-surface: #ffffff;
  --color-border: #e2e8e6;
  --color-text: #1f2a28;
  --color-text-muted: #5b6b68;
  --radius: 10px;
  --shadow: 0 1px 3px rgba(15, 40, 34, 0.08), 0 1px 2px rgba(15, 40, 34, 0.06);
  --max-width: 1120px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.55;
}
img { max-width: 100%; display: block; }
a { color: var(--color-accent); text-decoration: none; }
a:hover { text-decoration: underline; }
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 20px; }

/* Header */
.site-header {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  position: sticky; top: 0; z-index: 50;
}
.site-header .container { display: flex; align-items: center; justify-content: space-between; padding-top: 12px; padding-bottom: 12px; }
.logo { font-weight: 700; font-size: 1.25rem; color: var(--color-primary-dark); }
.logo span { color: var(--color-deal); }
.main-nav { display: none; gap: 22px; align-items: center; }
.main-nav a { color: var(--color-text); font-weight: 500; font-size: 0.95rem; }
.header-cta {
  background: var(--color-primary); color: #fff; padding: 10px 16px;
  border-radius: 8px; font-weight: 600; font-size: 0.9rem; white-space: nowrap;
}
.header-cta:hover { background: var(--color-primary-dark); text-decoration: none; }
.nav-toggle { display: inline-flex; background: none; border: 1px solid var(--color-border); border-radius: 8px; padding: 8px 10px; }

@media (min-width: 860px) {
  .main-nav { display: flex; }
  .nav-toggle { display: none; }
}

/* Hero */
.hero { padding: 44px 0 32px; background: linear-gradient(180deg, #eef6f4 0%, var(--color-bg) 100%); }
.hero h1 { font-size: clamp(1.7rem, 4vw, 2.5rem); margin: 0 0 14px; color: var(--color-primary-dark); }
.hero p { max-width: 680px; color: var(--color-text-muted); font-size: 1.05rem; }
.hero-ctas { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 18px; }
.btn { display: inline-block; padding: 12px 20px; border-radius: 8px; font-weight: 600; font-size: 0.95rem; cursor: pointer; border: none; }
.btn-primary { background: var(--color-primary); color: #fff; }
.btn-primary:hover { background: var(--color-primary-dark); text-decoration: none; }
.btn-secondary { background: #fff; color: var(--color-primary-dark); border: 1px solid var(--color-border); }
.btn-secondary:hover { border-color: var(--color-primary); text-decoration: none; }

/* Trust strip */
.trust-strip { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; padding: 18px 0; }
@media (min-width: 700px) { .trust-strip { grid-template-columns: repeat(4, 1fr); } }
.trust-item { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius); padding: 14px; font-size: 0.85rem; text-align: center; color: var(--color-text-muted); }

/* Section shell */
.section { padding: 40px 0; }
.section h2 { font-size: 1.5rem; margin-bottom: 6px; color: var(--color-primary-dark); }
.section-sub { color: var(--color-text-muted); margin-bottom: 22px; max-width: 640px; }

/* Coupon cards */
.coupon-grid { display: grid; grid-template-columns: 1fr; gap: 16px; }
@media (min-width: 640px) { .coupon-grid { grid-template-columns: 1fr 1fr; } }
@media (min-width: 1000px) { .coupon-grid { grid-template-columns: repeat(4, 1fr); } }

.coupon-card {
  background: var(--color-surface); border: 1px solid var(--color-border);
  border-radius: var(--radius); padding: 18px; box-shadow: var(--shadow);
  display: flex; flex-direction: column; gap: 10px;
}
.coupon-card__top { display: flex; align-items: center; gap: 10px; }
.coupon-card__logo { width: 40px; height: 40px; border-radius: 6px; object-fit: contain; background: #f1f5f4; }
.coupon-card__provider { font-weight: 600; font-size: 0.9rem; color: var(--color-text-muted); }
.coupon-card__headline { font-size: 1.05rem; font-weight: 700; color: var(--color-primary-dark); }
.coupon-card__desc { font-size: 0.9rem; color: var(--color-text-muted); flex-grow: 1; }
.coupon-card__badges { display: flex; gap: 8px; flex-wrap: wrap; font-size: 0.75rem; }
.badge { padding: 3px 8px; border-radius: 999px; font-weight: 600; }
.badge-verified { background: #e3f5ee; color: var(--color-primary-dark); }
.badge-expiring { background: #fdecea; color: #a3341f; }
.badge-nocode { background: #eef2fb; color: #2a4d9e; }

.coupon-code-row {
  display: flex; align-items: center; justify-content: space-between;
  border: 1px dashed var(--color-border); border-radius: 8px; padding: 8px 12px;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-weight: 700; letter-spacing: 0.03em;
  background: #fbfdfc;
}
.copy-btn { background: var(--color-primary-dark); color: #fff; border: none; border-radius: 6px; padding: 8px 12px; font-size: 0.8rem; font-weight: 600; cursor: pointer; min-height: 40px; }
.copy-btn:active { transform: scale(0.98); }
.get-deal-btn {
  display: block; text-align: center; background: var(--color-deal); color: #fff;
  padding: 12px; border-radius: 8px; font-weight: 700; min-height: 44px; line-height: 20px;
}
.get-deal-btn:hover { background: #94390f; text-decoration: none; color: #fff; }
.coupon-card__meta { font-size: 0.78rem; color: var(--color-text-muted); display: flex; justify-content: space-between; }

/* How-to steps */
.steps { list-style: none; counter-reset: step; padding: 0; display: grid; gap: 14px; }
.steps li { counter-increment: step; display: flex; gap: 14px; align-items: flex-start; }
.steps li::before {
  content: counter(step); flex-shrink: 0; width: 30px; height: 30px; border-radius: 50%;
  background: var(--color-primary); color: #fff; display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 0.9rem;
}

/* Comparison table */
.compare-table { width: 100%; border-collapse: collapse; background: var(--color-surface); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); font-size: 0.92rem; }
.compare-table th, .compare-table td { padding: 12px 14px; text-align: left; border-bottom: 1px solid var(--color-border); }
.compare-table th { background: #eef6f4; color: var(--color-primary-dark); }
.table-scroll { overflow-x: auto; }

/* Category grid */
.category-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; }
@media (min-width: 700px) { .category-grid { grid-template-columns: repeat(3, 1fr); } }
.category-grid a {
  display: block; background: var(--color-surface); border: 1px solid var(--color-border);
  border-radius: 8px; padding: 12px 14px; font-weight: 600; font-size: 0.9rem; color: var(--color-text);
}
.category-grid a:hover { border-color: var(--color-primary); text-decoration: none; }

/* FAQ */
.faq-item { border-bottom: 1px solid var(--color-border); padding: 14px 0; }
.faq-item summary { cursor: pointer; font-weight: 600; }
.faq-item p { color: var(--color-text-muted); margin-top: 8px; }

/* Final CTA */
.final-cta { background: var(--color-primary-dark); color: #fff; text-align: center; padding: 40px 20px; border-radius: var(--radius); }
.final-cta h2 { color: #fff; }
.final-cta .btn-primary { background: #fff; color: var(--color-primary-dark); }
.final-cta .btn-primary:hover { background: #eef6f4; }

/* Footer */
.site-footer { background: #10221e; color: #cfe1dc; padding: 40px 0 24px; margin-top: 40px; font-size: 0.9rem; }
.footer-grid { display: grid; grid-template-columns: 1fr; gap: 20px; }
@media (min-width: 700px) { .footer-grid { grid-template-columns: repeat(4, 1fr); } }
.site-footer a { color: #cfe1dc; }
.site-footer h4 { color: #fff; font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.04em; margin-bottom: 10px; }
.footer-legal { border-top: 1px solid #1f3a33; margin-top: 24px; padding-top: 16px; font-size: 0.78rem; color: #9db6ae; }
.disclaimer-box { background: #f1f5f4; border: 1px solid var(--color-border); border-radius: var(--radius); padding: 16px; font-size: 0.85rem; color: var(--color-text-muted); margin-top: 18px; }

.copy-toast {
  position: fixed; bottom: 18px; left: 50%; transform: translateX(-50%) translateY(20px);
  background: var(--color-primary-dark); color: #fff; padding: 10px 18px; border-radius: 999px;
  font-size: 0.85rem; font-weight: 600; opacity: 0; transition: opacity .2s ease, transform .2s ease; pointer-events: none; z-index: 100;
}
.copy-toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* Rich-text article body elements (guides/symptoms/conditions) */
article h3, .article-body h3 { font-size: 1rem; color: var(--color-primary-dark); margin: 16px 0 6px; }
article ul, article ol, .article-body ul, .article-body ol { margin: 0 0 12px; padding-left: 22px; }
article li, .article-body li { margin-bottom: 6px; }
article img, .article-body img { max-width: 100%; height: auto; border-radius: 10px; margin: 14px 0; display: block; border: 1px solid var(--color-border); }

/* Manual "Copy" button on the coupon detail page (the new-tab destination) */
.manual-copy-row { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.manual-copy-btn {
  background: var(--color-accent); color: #fff; border: none; border-radius: 6px;
  padding: 8px 14px; font-size: 0.82rem; font-weight: 700; cursor: pointer; flex-shrink: 0;
}
.manual-copy-btn:hover { opacity: 0.9; }

/* Coupon popup (opens automatically, via ?showCoupon={id}, on the new tab
   that reloads the same source page the Get Code/Get Deal button was on) */
body.coupon-modal-lock { overflow: hidden; }
.coupon-modal-overlay {
  position: fixed; inset: 0; background: rgba(15, 34, 30, 0.55);
  display: flex; align-items: center; justify-content: center; padding: 16px;
  opacity: 0; pointer-events: none; transition: opacity .18s ease; z-index: 200;
}
.coupon-modal-overlay.open { opacity: 1; pointer-events: auto; }
.coupon-modal {
  background: var(--color-surface); border-radius: 14px; padding: 28px 24px 24px;
  max-width: 380px; width: 100%; text-align: center; position: relative;
  box-shadow: 0 20px 60px rgba(10, 30, 25, 0.35);
  transform: translateY(10px) scale(0.97); transition: transform .18s ease;
}
.coupon-modal-overlay.open .coupon-modal { transform: translateY(0) scale(1); }
.coupon-modal-close {
  position: absolute; top: 10px; right: 12px; background: none; border: none;
  font-size: 1.4rem; line-height: 1; color: var(--color-text-muted); cursor: pointer; padding: 4px;
}
.coupon-modal-provider { font-size: 0.8rem; font-weight: 600; color: var(--color-text-muted); text-transform: uppercase; letter-spacing: 0.04em; margin-bottom: 4px; }
.coupon-modal-title { margin: 0 0 18px; font-size: 1.1rem; color: var(--color-primary-dark); }
.coupon-modal-code-box {
  position: relative; border: 2px dashed var(--color-primary); border-radius: 10px;
  padding: 12px 14px; margin-bottom: 14px; background: #f2f9f6;
  display: flex; align-items: center; justify-content: space-between; gap: 10px;
}
.coupon-modal-code {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-weight: 800;
  font-size: 1.3rem; letter-spacing: 0.06em; color: var(--color-primary-dark);
}
.coupon-modal-copy-btn {
  background: var(--color-accent); color: #fff; border: none; border-radius: 6px;
  padding: 8px 14px; font-size: 0.82rem; font-weight: 700; cursor: pointer; flex-shrink: 0;
}
.coupon-modal-copy-btn:hover { opacity: 0.9; }
.coupon-modal #couponModalNoCode { margin-bottom: 4px; display: inline-block; }