/* ============================================================
   HealthWell — symptom-checker styles
   Light theme, green gradient accents, Inter type.
   Base design system adapted from the SachTech site.
   ============================================================ */

/* ---------- Design tokens ---------- */
:root {
  --bg-0: #f1f5f9;
  --bg-1: #f8fafc;
  --bg-2: #eef2f7;
  --surface: #ffffff;
  --surface-solid: #ffffff;
  --border: rgba(15, 23, 42, 0.10);
  --border-strong: rgba(15, 23, 42, 0.18);

  --accent: #059669;        /* emerald green */
  --accent-2: #16a34a;      /* green */
  --accent-3: #34d399;      /* light green */
  --gradient: linear-gradient(135deg, var(--accent) 0%, var(--accent-2) 100%);
  --gradient-soft: linear-gradient(135deg, rgba(5, 150, 105, 0.12), rgba(22, 163, 74, 0.12));

  --text: #0f172a;
  --muted: #475569;
  --muted-2: #64748b;

  /* Triage colours */
  --tri-emergency: #dc2626;
  --tri-emergency-bg: rgba(248, 113, 113, 0.12);
  --tri-urgent: #d97706;
  --tri-urgent-bg: rgba(251, 191, 36, 0.14);
  --tri-routine: #0284c7;
  --tri-routine-bg: rgba(56, 189, 248, 0.12);
  --tri-selfcare: #059669;
  --tri-selfcare-bg: rgba(52, 211, 153, 0.12);

  --radius-sm: 10px;
  --radius: 16px;
  --radius-lg: 24px;
  --radius-pill: 999px;

  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.06);
  --shadow: 0 18px 40px -18px rgba(15, 23, 42, 0.16);
  --shadow-glow: 0 0 0 1px rgba(5, 150, 105, 0.22), 0 20px 60px -20px rgba(5, 150, 105, 0.22);

  --container: 1180px;
  --gutter: clamp(1.1rem, 4vw, 2rem);
  --section-pad: clamp(4rem, 9vw, 7.5rem);

  --font: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

/* ---------- Reset ---------- */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font);
  color: var(--text);
  background: var(--bg-1);
  line-height: 1.6;
  font-size: clamp(1rem, 0.97rem + 0.15vw, 1.075rem);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img,
svg {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

ul {
  list-style: none;
}

button {
  font: inherit;
  cursor: pointer;
  border: none;
  background: none;
  color: inherit;
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ---------- Layout helpers ---------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.section {
  padding-block: var(--section-pad);
  scroll-margin-top: 88px;
  position: relative;
}

.section-head {
  max-width: 680px;
  margin-bottom: clamp(2.2rem, 5vw, 3.4rem);
}

.section-head.center {
  margin-inline: auto;
  text-align: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1rem;
}

.eyebrow::before {
  content: "";
  width: 1.6rem;
  height: 1px;
  background: var(--accent);
  opacity: 0.6;
}

.section-head.center .eyebrow::before {
  display: none;
}

h1,
h2,
h3 {
  line-height: 1.08;
  font-weight: 700;
  letter-spacing: -0.02em;
}

h2.section-title {
  font-size: clamp(1.9rem, 4.5vw, 2.9rem);
  margin-bottom: 1rem;
}

.section-sub {
  color: var(--muted);
  font-size: clamp(1rem, 2.4vw, 1.15rem);
  font-weight: 300;
}

.gradient-text {
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  font-weight: 600;
  font-size: 0.98rem;
  padding: 0.8rem 1.4rem;
  border-radius: var(--radius-pill);
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease),
    background 0.25s var(--ease), border-color 0.25s var(--ease), color 0.25s var(--ease);
  white-space: nowrap;
}

.btn svg {
  width: 1.05em;
  height: 1.05em;
}

.btn-primary {
  background: var(--gradient);
  color: #052e2b;
  box-shadow: 0 10px 30px -10px rgba(5, 150, 105, 0.32);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 40px -12px rgba(5, 150, 105, 0.42);
}

.btn-ghost {
  background: rgba(148, 163, 184, 0.06);
  border: 1px solid var(--border-strong);
  color: var(--text);
}

.btn-ghost:hover {
  transform: translateY(-2px);
  border-color: var(--accent);
  background: rgba(52, 211, 153, 0.08);
}

.btn-lg {
  padding: 0.95rem 1.7rem;
  font-size: 1.05rem;
}

.btn-block {
  width: 100%;
}

.btn[disabled] {
  opacity: 0.55;
  cursor: not-allowed;
}

.btn[disabled]:hover {
  transform: none;
}

/* ---------- Header / nav ---------- */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  transition: background 0.3s var(--ease), border-color 0.3s var(--ease),
    backdrop-filter 0.3s var(--ease);
  border-bottom: 1px solid transparent;
}

.site-header.scrolled {
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom-color: var(--border);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 700;
  font-size: 1.2rem;
  letter-spacing: -0.02em;
}

.brand img {
  width: 34px;
  height: 34px;
}

.brand .dot {
  color: var(--accent);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-menu a:not(.btn) {
  color: var(--muted);
  font-weight: 500;
  font-size: 0.95rem;
  transition: color 0.2s var(--ease);
  position: relative;
}

.nav-menu a:not(.btn):hover,
.nav-menu a:not(.btn).active {
  color: var(--text);
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  align-items: center;
  justify-content: center;
}

.nav-toggle span {
  position: relative;
  width: 20px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: background 0.2s;
}

.nav-toggle span::before,
.nav-toggle span::after {
  content: "";
  position: absolute;
  left: 0;
  width: 20px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform 0.25s var(--ease), top 0.25s var(--ease);
}

.nav-toggle span::before { top: -6px; }
.nav-toggle span::after { top: 6px; }

.nav-toggle[aria-expanded="true"] span { background: transparent; }
.nav-toggle[aria-expanded="true"] span::before { top: 0; transform: rotate(45deg); }
.nav-toggle[aria-expanded="true"] span::after { top: 0; transform: rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding-top: clamp(8rem, 16vw, 11rem);
  padding-bottom: clamp(3.5rem, 8vw, 6rem);
  overflow: hidden;
  isolation: isolate;
}

.hero-inner {
  max-width: 820px;
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--muted);
  border: 1px solid var(--border);
  background: rgba(148, 163, 184, 0.05);
  border-radius: var(--radius-pill);
  padding: 0.4rem 0.9rem;
  margin-bottom: 1.8rem;
}

.pill b {
  color: var(--accent);
  font-weight: 600;
}

.pill .ping {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-3);
  box-shadow: 0 0 0 0 rgba(134, 239, 172, 0.6);
  animation: ping 2.2s var(--ease) infinite;
}

@keyframes ping {
  0% { box-shadow: 0 0 0 0 rgba(134, 239, 172, 0.55); }
  70% { box-shadow: 0 0 0 10px rgba(134, 239, 172, 0); }
  100% { box-shadow: 0 0 0 0 rgba(134, 239, 172, 0); }
}

.hero h1 {
  font-size: clamp(2.6rem, 7vw, 4.6rem);
  margin-bottom: 1.4rem;
}

.hero p.lead {
  font-size: clamp(1.05rem, 2.6vw, 1.3rem);
  color: var(--muted);
  font-weight: 300;
  max-width: 640px;
  margin-bottom: 2.2rem;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin-bottom: 3.2rem;
}

/* Stat row */
.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(1rem, 3vw, 2rem);
  padding-top: 2.4rem;
  border-top: 1px solid var(--border);
  max-width: 720px;
}

.stat .num {
  font-size: clamp(1.5rem, 3.4vw, 2.1rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.1;
}

.stat .label {
  color: var(--muted);
  font-size: 0.85rem;
  margin-top: 0.4rem;
}

/* Glow backdrop */
.glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(20px);
  z-index: -1;
  pointer-events: none;
}

.glow--hero-1 {
  width: 46vw;
  max-width: 620px;
  aspect-ratio: 1;
  background: radial-gradient(circle, rgba(52, 211, 153, 0.16), transparent 68%);
  top: -12%;
  right: -8%;
  animation: float 9s ease-in-out infinite;
}

.glow--hero-2 {
  width: 40vw;
  max-width: 520px;
  aspect-ratio: 1;
  background: radial-gradient(circle, rgba(34, 197, 94, 0.12), transparent 68%);
  bottom: -20%;
  left: -10%;
  animation: float 11s ease-in-out infinite reverse;
}

@keyframes float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(0, -24px) scale(1.08); }
}

.grid-overlay {
  position: absolute;
  inset: 0;
  z-index: -2;
  background-image: linear-gradient(rgba(15, 23, 42, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(15, 23, 42, 0.05) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 40%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 40%, transparent 100%);
}

/* ---------- Generic card ---------- */
.card {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: clamp(1.5rem, 3vw, 2rem);
  box-shadow: var(--shadow-sm);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  transition: transform 0.3s var(--ease), border-color 0.3s var(--ease),
    box-shadow 0.3s var(--ease);
  overflow: hidden;
}

.card:hover {
  transform: translateY(-4px);
  border-color: var(--border-strong);
  box-shadow: var(--shadow);
}

/* ---------- Feature icon (reused for steps & regions) ---------- */
.icon-badge {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  background: var(--gradient-soft);
  border: 1px solid var(--border-strong);
  color: var(--accent);
  margin-bottom: 1.25rem;
}

.icon-badge svg {
  width: 26px;
  height: 26px;
}

/* ---------- How it works ---------- */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: clamp(1rem, 2.4vw, 1.5rem);
}

.step {
  position: relative;
  padding: 1.7rem 1.5rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: #ffffff;
  box-shadow: var(--shadow-sm);
}

.step .step-num {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.1em;
  margin-bottom: 0.9rem;
  display: inline-block;
}

.step h3 {
  font-size: 1.12rem;
  margin-bottom: 0.5rem;
}

.step p {
  color: var(--muted);
  font-size: 0.94rem;
}

/* ---------- Regions grid ---------- */
.regions-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: clamp(1rem, 2.4vw, 1.5rem);
}

.region-card {
  text-align: left;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  width: 100%;
  cursor: pointer;
}

.region-card h3 {
  font-size: 1.15rem;
  margin-bottom: 0.4rem;
}

.region-card p {
  color: var(--muted);
  font-size: 0.92rem;
}

.region-card .region-go {
  margin-top: 1.1rem;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--accent);
  font-weight: 600;
  font-size: 0.9rem;
  transition: gap 0.25s var(--ease);
}

.region-card:hover .region-go { gap: 0.7rem; }
.region-card .region-go svg { width: 1em; height: 1em; }

/* ---------- Tags / chips ---------- */
.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.tag {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--muted);
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  padding: 0.3rem 0.75rem;
  background: rgba(148, 163, 184, 0.05);
}

.tag--test {
  color: var(--text);
  border-color: var(--border-strong);
}

/* ============================================================
   Symptom checker
   ============================================================ */
.checker {
  background: radial-gradient(ellipse 70% 90% at 50% 0%, rgba(5, 150, 105, 0.06), transparent 70%);
}

.checker-shell {
  max-width: 760px;
  margin-inline: auto;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: clamp(1.4rem, 4vw, 2.6rem);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  box-shadow: var(--shadow);
}

/* Progress */
.hw-progress {
  margin-bottom: 1.8rem;
}

.hw-progress[hidden] { display: none; }

.hw-progress-bar {
  height: 8px;
  border-radius: var(--radius-pill);
  background: rgba(15, 23, 42, 0.08);
  overflow: hidden;
}

.hw-progress-bar span {
  display: block;
  height: 100%;
  width: 0%;
  border-radius: inherit;
  background: var(--gradient);
  transition: width 0.4s var(--ease);
}

.hw-progress-label {
  margin-top: 0.6rem;
  font-size: 0.8rem;
  color: var(--muted);
  letter-spacing: 0.04em;
}

/* Screen container */
.hw-screen {
  animation: fade-in 0.4s var(--ease);
}

@keyframes fade-in {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: none; }
}

.hw-screen .hw-eyebrow {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.8rem;
  display: block;
}

.hw-question {
  font-size: clamp(1.3rem, 3.4vw, 1.7rem);
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.2;
  margin-bottom: 0.5rem;
}

.hw-help {
  color: var(--muted);
  font-size: 0.92rem;
  margin-bottom: 1.5rem;
}

.hw-intro-text {
  color: var(--muted);
  font-size: 1rem;
  margin-bottom: 1.4rem;
}

.hw-intro-text strong { color: var(--text); }

/* Options list */
.hw-options {
  display: grid;
  gap: 0.7rem;
  margin-bottom: 1.5rem;
}

.opt {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  width: 100%;
  text-align: left;
  padding: 1rem 1.15rem;
  border-radius: var(--radius);
  border: 1px solid var(--border-strong);
  background: #ffffff;
  color: var(--text);
  font-size: 1rem;
  font-weight: 500;
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease),
    transform 0.15s var(--ease);
}

.opt:hover {
  border-color: var(--accent);
  background: rgba(52, 211, 153, 0.08);
  transform: translateY(-1px);
}

.opt .opt-mark {
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  border-radius: 7px;
  border: 2px solid var(--border-strong);
  display: grid;
  place-items: center;
  color: #052e2b;
  transition: background 0.2s var(--ease), border-color 0.2s var(--ease);
}

.opt[data-type="single"] .opt-mark { border-radius: 50%; }

.opt .opt-mark svg {
  width: 14px;
  height: 14px;
  opacity: 0;
  transform: scale(0.6);
  transition: opacity 0.15s var(--ease), transform 0.15s var(--ease);
}

.opt.selected {
  border-color: var(--accent);
  background: rgba(52, 211, 153, 0.12);
}

.opt.selected .opt-mark {
  background: var(--accent);
  border-color: var(--accent);
}

.opt.selected .opt-mark svg {
  opacity: 1;
  transform: scale(1);
}

/* Screen actions */
.hw-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.8rem;
  flex-wrap: wrap;
}

.hw-btn-back {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--muted);
  font-weight: 500;
  font-size: 0.92rem;
  padding: 0.5rem 0.4rem;
  transition: color 0.2s var(--ease);
}

.hw-btn-back:hover { color: var(--text); }
.hw-btn-back svg { width: 1.1em; height: 1.1em; }

/* ---------- Results ---------- */
.triage-banner {
  border-radius: var(--radius);
  border: 1px solid var(--border-strong);
  padding: clamp(1.2rem, 3vw, 1.6rem);
  margin-bottom: 1.6rem;
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.triage-banner .triage-icon {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  display: grid;
  place-items: center;
}

.triage-banner .triage-icon svg { width: 24px; height: 24px; }

.triage-banner .triage-label {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 0.3rem;
  display: inline-block;
}

.triage-banner h3 {
  font-size: 1.25rem;
  margin-bottom: 0.3rem;
}

.triage-banner p {
  color: var(--muted);
  font-size: 0.94rem;
}

.triage-banner .triage-call {
  margin-top: 0.9rem;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 700;
  font-size: 0.95rem;
  padding: 0.55rem 1rem;
  border-radius: var(--radius-pill);
}

.triage-banner .triage-call svg { width: 1.05em; height: 1.05em; }

.tone-emergency { background: var(--tri-emergency-bg); border-color: rgba(248, 113, 113, 0.4); }
.tone-emergency .triage-icon { background: rgba(248, 113, 113, 0.18); color: var(--tri-emergency); }
.tone-emergency .triage-label { color: var(--tri-emergency); }
.tone-emergency .triage-call { background: var(--tri-emergency); color: #ffffff; }

.tone-urgent { background: var(--tri-urgent-bg); border-color: rgba(251, 191, 36, 0.4); }
.tone-urgent .triage-icon { background: rgba(251, 191, 36, 0.18); color: var(--tri-urgent); }
.tone-urgent .triage-label { color: var(--tri-urgent); }

.tone-routine { background: var(--tri-routine-bg); border-color: rgba(56, 189, 248, 0.4); }
.tone-routine .triage-icon { background: rgba(56, 189, 248, 0.18); color: var(--tri-routine); }
.tone-routine .triage-label { color: var(--tri-routine); }

.tone-selfcare { background: var(--tri-selfcare-bg); border-color: rgba(52, 211, 153, 0.4); }
.tone-selfcare .triage-icon { background: rgba(52, 211, 153, 0.18); color: var(--tri-selfcare); }
.tone-selfcare .triage-label { color: var(--tri-selfcare); }

/* Red-flag alert cards */
.redflag {
  border-radius: var(--radius);
  border: 1px solid rgba(248, 113, 113, 0.4);
  background: var(--tri-emergency-bg);
  padding: 1rem 1.15rem;
  margin-bottom: 0.8rem;
  display: flex;
  gap: 0.8rem;
  align-items: flex-start;
}

.redflag svg {
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  color: var(--tri-emergency);
  margin-top: 2px;
}

.redflag--urgent {
  border-color: rgba(251, 191, 36, 0.4);
  background: var(--tri-urgent-bg);
}

.redflag--urgent svg { color: var(--tri-urgent); }

.redflag h4 {
  font-size: 1rem;
  margin-bottom: 0.2rem;
}

.redflag p {
  color: var(--muted);
  font-size: 0.9rem;
}

/* Results heading */
.results-heading {
  font-size: 1.15rem;
  font-weight: 700;
  margin: 1.8rem 0 0.4rem;
}

.results-note {
  color: var(--muted);
  font-size: 0.9rem;
  margin-bottom: 1.1rem;
}

/* Condition card */
.condition {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: #ffffff;
  padding: 1.2rem 1.3rem;
  margin-bottom: 0.9rem;
}

.condition-top {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0.5rem;
}

.condition-top h4 {
  font-size: 1.1rem;
}

.condition-rank {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted-2);
  white-space: nowrap;
}

.match {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  margin-bottom: 0.8rem;
}

.match-bar {
  flex: 1;
  height: 7px;
  border-radius: var(--radius-pill);
  background: rgba(15, 23, 42, 0.08);
  overflow: hidden;
}

.match-bar span {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: var(--gradient);
}

.match-val {
  font-size: 0.8rem;
  color: var(--muted);
  font-weight: 600;
  white-space: nowrap;
}

.condition-blurb {
  color: var(--muted);
  font-size: 0.94rem;
  margin-bottom: 0.9rem;
}

.condition-sub {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted-2);
  margin-bottom: 0.5rem;
}

.condition-advice {
  margin-top: 0.9rem;
  padding-top: 0.9rem;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.9rem;
}

.condition-advice strong { color: var(--text); }

/* Disclaimer box */
.hw-disclaimer {
  margin-top: 1.6rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: #f1f5f9;
  padding: 1rem 1.2rem;
  color: var(--muted);
  font-size: 0.85rem;
}

.hw-disclaimer strong { color: var(--text); }

/* Results footer actions */
.results-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 1.6rem;
}

.ai-hint {
  margin-top: 0.9rem;
  font-size: 0.85rem;
  color: var(--muted);
  display: none;
}

.ai-hint.show { display: block; }

.badge-soon {
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.15rem 0.45rem;
  border-radius: var(--radius-pill);
  background: rgba(148, 163, 184, 0.16);
  color: var(--muted);
}

/* ---------- FAQ ---------- */
.faq-grid {
  display: grid;
  gap: 0.8rem;
  max-width: 820px;
  margin-inline: auto;
}

.faq-item {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: #ffffff;
  box-shadow: var(--shadow-sm);
  padding: 1.1rem 1.3rem;
}

.faq-item summary {
  cursor: pointer;
  font-weight: 600;
  font-size: 1.02rem;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.faq-item summary::-webkit-details-marker { display: none; }

.faq-item summary::after {
  content: "+";
  color: var(--accent);
  font-size: 1.4rem;
  font-weight: 400;
  transition: transform 0.25s var(--ease);
}

.faq-item[open] summary::after { transform: rotate(45deg); }

.faq-item p {
  color: var(--muted);
  font-size: 0.94rem;
  margin-top: 0.8rem;
}

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid var(--border);
  background: var(--bg-0);
  padding-block: clamp(2.5rem, 5vw, 3.5rem);
}

.footer-top {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr;
  gap: 2rem;
  padding-bottom: 2.4rem;
  border-bottom: 1px solid var(--border);
}

.footer-brand p {
  color: var(--muted);
  font-size: 0.94rem;
  margin-top: 1rem;
  max-width: 340px;
}

.footer-col h4 {
  font-size: 0.82rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted-2);
  margin-bottom: 1rem;
}

.footer-col ul {
  display: grid;
  gap: 0.7rem;
}

.footer-col a {
  color: var(--muted);
  font-size: 0.94rem;
  transition: color 0.2s var(--ease);
}

.footer-col a:hover { color: var(--text); }

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  padding-top: 1.8rem;
  color: var(--muted-2);
  font-size: 0.86rem;
}

/* ---------- Scroll reveal ---------- */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
  will-change: opacity, transform;
}

.reveal.in {
  opacity: 1;
  transform: none;
}

.reveal[data-delay="1"] { transition-delay: 0.08s; }
.reveal[data-delay="2"] { transition-delay: 0.16s; }
.reveal[data-delay="3"] { transition-delay: 0.24s; }
.reveal[data-delay="4"] { transition-delay: 0.32s; }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .footer-top { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 720px) {
  .nav-menu {
    position: fixed;
    inset: 72px 0 auto 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: rgba(255, 255, 255, 0.97);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border);
    padding: 0.5rem var(--gutter) 1.4rem;
    transform: translateY(-140%);
    transition: transform 0.35s var(--ease);
    box-shadow: var(--shadow);
  }
  .nav-menu.open { transform: translateY(0); }
  .nav-menu a:not(.btn) {
    display: block;
    padding: 0.9rem 0;
    border-bottom: 1px solid var(--border);
    font-size: 1.05rem;
  }
  .nav-menu .btn { margin-top: 1rem; }
  .nav-toggle { display: inline-flex; }
  .stats { grid-template-columns: 1fr; gap: 1.2rem; }
  .footer-top { grid-template-columns: 1fr; }
  .triage-banner { flex-direction: column; }
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
  .reveal { opacity: 1; transform: none; }
}