/* ============================================================
   Thornwall Group — Website Styles
   UK Cyber Risk & Business Resilience for Small Businesses
   ============================================================ */

/* ---------- Design Tokens ---------- */
:root {
  /* Brand palette */
  --navy-900: #0a1a33;
  --navy-800: #0b2545;
  --navy-700: #13315c;
  --navy-600: #1d3f73;
  --teal-500: #16b9a8;   /* accent */
  --teal-400: #2dd4bf;
  --teal-600: #0e9384;
  --blue-400: #38bdf8;

  /* Neutrals */
  --white: #ffffff;
  --grey-50: #f6f8fb;
  --grey-100: #eef2f7;
  --grey-200: #dce3ec;
  --grey-300: #c3cdda;
  --grey-500: #6b7a90;
  --grey-700: #3c485a;
  --ink: #14202e;

  /* Functional */
  --shadow-sm: 0 1px 3px rgba(10, 26, 51, 0.08), 0 1px 2px rgba(10, 26, 51, 0.06);
  --shadow-md: 0 6px 20px rgba(10, 26, 51, 0.10);
  --shadow-lg: 0 18px 50px rgba(10, 26, 51, 0.18);

  --radius-sm: 8px;
  --radius: 14px;
  --radius-lg: 22px;

  --maxw: 1160px;
  --gutter: clamp(1.1rem, 4vw, 2.2rem);

  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --font-display: 'Plus Jakarta Sans', 'Inter', sans-serif;

  --t: 0.25s ease;
}

/* ---------- Reset / Base ---------- */
*, *::before, *::after { box-sizing: border-box; }

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

body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--ink);
  background: var(--white);
  line-height: 1.65;
  font-size: 1.0625rem;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

h1, h2, h3, h4 {
  font-family: var(--font-display);
  line-height: 1.18;
  color: var(--navy-900);
  margin: 0 0 0.6em;
  font-weight: 700;
  letter-spacing: -0.015em;
}

h1 { font-size: clamp(2.1rem, 5vw, 3.4rem); }
h2 { font-size: clamp(1.7rem, 3.6vw, 2.5rem); }
h3 { font-size: clamp(1.2rem, 2vw, 1.45rem); }

p { margin: 0 0 1.1em; }

a { color: var(--teal-600); text-decoration: none; transition: color var(--t); }
a:hover { color: var(--teal-500); }

ul, ol { margin: 0 0 1.1em; padding-left: 1.3em; }
li { margin-bottom: 0.45em; }

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

.section { padding: clamp(3.2rem, 7vw, 6rem) 0; }
.section--tight { padding: clamp(2.4rem, 5vw, 4rem) 0; }
.section--navy { background: var(--navy-900); color: var(--grey-100); }
.section--navy h1, .section--navy h2, .section--navy h3 { color: var(--white); }
.section--grey { background: var(--grey-50); }

.center { text-align: center; }
.measure { max-width: 720px; margin-inline: auto; }

.eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--teal-600);
  margin-bottom: 0.8rem;
}
.section--navy .eyebrow { color: var(--teal-400); }

.lead { font-size: 1.18rem; color: var(--grey-700); }
.section--navy .lead { color: var(--grey-200); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1rem;
  padding: 0.85em 1.6em;
  border-radius: 999px;
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: transform var(--t), box-shadow var(--t), background var(--t), color var(--t), border-color var(--t);
  line-height: 1;
  text-align: center;
}
.btn:hover { transform: translateY(-2px); }

.btn--primary {
  background: var(--teal-500);
  color: var(--navy-900);
  box-shadow: 0 6px 18px rgba(22, 185, 168, 0.35);
}
.btn--primary:hover { background: var(--teal-400); color: var(--navy-900); box-shadow: 0 10px 26px rgba(22, 185, 168, 0.45); }

.btn--ghost {
  background: transparent;
  color: var(--white);
  border-color: rgba(255,255,255,0.35);
}
.btn--ghost:hover { background: rgba(255,255,255,0.08); color: var(--white); border-color: rgba(255,255,255,0.6); }

.btn--outline {
  background: transparent;
  color: var(--navy-800);
  border-color: var(--grey-300);
}
.btn--outline:hover { border-color: var(--teal-500); color: var(--teal-600); }

.btn--lg { padding: 1.05em 2em; font-size: 1.08rem; }
.btn--block { width: 100%; justify-content: center; }

.btn-row { display: flex; flex-wrap: wrap; gap: 0.9rem; }
.btn-row--center { justify-content: center; }

/* ---------- Header / Nav ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(10, 26, 51, 0.92);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  height: 72px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.2rem;
  color: var(--white);
  letter-spacing: -0.01em;
}
.brand:hover { color: var(--white); }
.brand .mark {
  width: 34px; height: 38px;
  display: grid; place-items: center;
  background: transparent;
  flex: none;
}
.brand .mark img,
.brand .mark svg { width: 30px; height: 34px; }
.brand-text { display: inline-flex; gap: 0.3ch; }
.brand-accent { color: var(--blue-400); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.55rem;
  list-style: none;
  margin: 0; padding: 0;
}
.nav-links a {
  color: var(--grey-200);
  font-size: 0.96rem;
  font-weight: 500;
}
.nav-links a:hover, .nav-links a[aria-current="page"] { color: var(--white); }
.nav-links a[aria-current="page"] { font-weight: 600; }

.nav-cta { display: flex; align-items: center; gap: 0.75rem; }

.nav-toggle {
  display: none;
  background: transparent;
  border: 1px solid rgba(255,255,255,0.25);
  border-radius: 8px;
  width: 44px; height: 40px;
  cursor: pointer;
  padding: 0;
}
.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after {
  content: '';
  display: block;
  width: 20px; height: 2px;
  background: var(--white);
  margin-inline: auto;
  position: relative;
  transition: transform var(--t), opacity var(--t);
}
.nav-toggle span::before { position: absolute; top: -6px; }
.nav-toggle span::after { position: absolute; top: 6px; }
.nav-toggle[aria-expanded="true"] span { background: transparent; }
.nav-toggle[aria-expanded="true"] span::before { transform: translateY(6px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span::after { transform: translateY(-6px) rotate(-45deg); }

@media (max-width: 900px) {
  .nav-toggle { display: block; }
  .nav-links {
    position: absolute;
    top: 72px; left: 0; right: 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    background: var(--navy-900);
    border-bottom: 1px solid rgba(255,255,255,0.08);
    padding: 0.5rem var(--gutter) 1.2rem;
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--t);
  }
  .nav-links.open { max-height: 460px; }
  .nav-links li { width: 100%; margin: 0; }
  .nav-links a { display: block; padding: 0.85rem 0; border-bottom: 1px solid rgba(255,255,255,0.06); width: 100%; }
  .nav-cta .btn--ghost { display: none; }
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  background:
    radial-gradient(1100px 500px at 78% -10%, rgba(22,185,168,0.22), transparent 60%),
    radial-gradient(800px 420px at 8% 110%, rgba(56,189,248,0.16), transparent 55%),
    var(--navy-900);
  color: var(--grey-100);
  overflow: hidden;
}
.hero::after {
  content: '';
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.035) 1px, transparent 1px);
  background-size: 46px 46px;
  mask-image: radial-gradient(900px 500px at 70% 0%, black, transparent 75%);
  pointer-events: none;
}
.hero .container { position: relative; z-index: 1; }
.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
  padding: clamp(3.2rem, 7vw, 6rem) 0;
}
.hero h1 { color: var(--white); margin-bottom: 0.5em; }
.hero p { color: var(--grey-200); font-size: 1.15rem; max-width: 36em; }
.hero .badge-row { margin-top: 1.8rem; }

.pill {
  display: inline-flex;
  align-items: center;
  gap: 0.45em;
  background: rgba(22,185,168,0.12);
  border: 1px solid rgba(22,185,168,0.35);
  color: var(--teal-400);
  font-size: 0.82rem;
  font-weight: 600;
  padding: 0.4em 0.9em;
  border-radius: 999px;
  margin-bottom: 1.4rem;
}
.pill .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--teal-400); }

/* Hero card / visual */
.hero-card {
  background: linear-gradient(160deg, rgba(255,255,255,0.06), rgba(255,255,255,0.02));
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-lg);
  padding: 1.6rem;
  box-shadow: var(--shadow-lg);
  backdrop-filter: blur(6px);
}
.hero-card h3 { color: var(--white); font-size: 1.05rem; margin-bottom: 1rem; }
.score-row {
  display: flex; align-items: center; gap: 1rem;
  padding: 0.85rem 0;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.score-row:last-child { border-bottom: none; }
.score-label { flex: 1; color: var(--grey-200); font-size: 0.95rem; }
.bar { flex: 1.2; height: 8px; border-radius: 999px; background: rgba(255,255,255,0.12); overflow: hidden; }
.bar > i { display: block; height: 100%; border-radius: 999px; }
.bar .fill-good { background: var(--teal-400); }
.bar .fill-mid { background: var(--blue-400); }
.bar .fill-low { background: #f4a259; }
.score-tag { font-size: 0.78rem; font-weight: 700; color: var(--grey-300); width: 64px; text-align: right; }

@media (max-width: 820px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-card { order: 2; }
}

/* ---------- Grid utilities ---------- */
.grid { display: grid; gap: 1.4rem; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 980px) { .grid-4 { grid-template-columns: repeat(2, 1fr); } .grid-3 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 680px) { .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; } }

/* ---------- Cards ---------- */
.card {
  background: var(--white);
  border: 1px solid var(--grey-200);
  border-radius: var(--radius);
  padding: 1.6rem;
  box-shadow: var(--shadow-sm);
  transition: transform var(--t), box-shadow var(--t), border-color var(--t);
  height: 100%;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: var(--grey-300); }
.card h3 { margin-bottom: 0.4em; }
.card p:last-child { margin-bottom: 0; }

.icon-badge {
  width: 48px; height: 48px;
  border-radius: 12px;
  display: grid; place-items: center;
  background: linear-gradient(135deg, rgba(22,185,168,0.16), rgba(56,189,248,0.16));
  color: var(--teal-600);
  margin-bottom: 1rem;
}
.icon-badge svg { width: 24px; height: 24px; }

/* ---------- Assessment area chips ---------- */
.area-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; }
@media (max-width: 980px) { .area-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 520px) { .area-grid { grid-template-columns: 1fr; } }
.area {
  display: flex; align-items: center; gap: 0.8rem;
  background: var(--white);
  border: 1px solid var(--grey-200);
  border-radius: var(--radius-sm);
  padding: 1rem 1.1rem;
  font-weight: 600;
  color: var(--navy-800);
  box-shadow: var(--shadow-sm);
}
.area svg { width: 22px; height: 22px; color: var(--teal-600); flex: none; }

/* ---------- Pricing ---------- */
.price-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 1.3rem; align-items: stretch; }
@media (max-width: 560px) { .price-grid { grid-template-columns: 1fr; } }

.plan {
  position: relative;
  display: flex; flex-direction: column;
  background: var(--white);
  border: 1px solid var(--grey-200);
  border-radius: var(--radius);
  padding: 1.7rem 1.5rem;
  box-shadow: var(--shadow-sm);
  transition: transform var(--t), box-shadow var(--t);
}
.plan:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.plan--featured {
  border: 1.5px solid var(--teal-500);
  box-shadow: 0 14px 40px rgba(22,185,168,0.18);
}
.plan__flag {
  position: absolute; top: -13px; left: 50%; transform: translateX(-50%);
  background: var(--teal-500); color: var(--navy-900);
  font-size: 0.72rem; font-weight: 800; letter-spacing: 0.06em; text-transform: uppercase;
  padding: 0.35em 0.9em; border-radius: 999px;
  white-space: nowrap;
}
.plan__name { font-family: var(--font-display); font-weight: 700; font-size: 1.15rem; color: var(--navy-900); margin-bottom: 0.3rem; }
.plan__price { font-family: var(--font-display); font-weight: 800; font-size: 2.1rem; color: var(--navy-900); line-height: 1; margin: 0.2rem 0; }
.plan__price small { font-size: 0.9rem; font-weight: 600; color: var(--grey-500); }
.plan__best { font-size: 0.88rem; color: var(--grey-500); min-height: 2.6em; margin-bottom: 1rem; }
.plan__features { list-style: none; padding: 0; margin: 0 0 1.4rem; flex: 1; }
.plan__features li { display: flex; gap: 0.55rem; align-items: flex-start; font-size: 0.95rem; color: var(--grey-700); margin-bottom: 0.6rem; }
.plan__features svg { width: 18px; height: 18px; color: var(--teal-600); flex: none; margin-top: 3px; }

/* ---------- Steps ---------- */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.3rem; counter-reset: step; }
@media (max-width: 980px) { .steps { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .steps { grid-template-columns: 1fr; } }
.step { position: relative; padding-top: 0.5rem; }
.step__num {
  width: 44px; height: 44px; border-radius: 12px;
  display: grid; place-items: center;
  background: var(--navy-900); color: var(--teal-400);
  font-family: var(--font-display); font-weight: 800; font-size: 1.15rem;
  margin-bottom: 1rem;
}
.section--navy .step__num { background: rgba(255,255,255,0.08); }

/* ---------- FAQ ---------- */
.faq { max-width: 800px; margin-inline: auto; }
.faq__item { border-bottom: 1px solid var(--grey-200); }
.faq__q {
  width: 100%;
  text-align: left;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 1.25rem 2.5rem 1.25rem 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.08rem;
  color: var(--navy-900);
  position: relative;
}
.faq__q::after {
  content: '+';
  position: absolute; right: 0.2rem; top: 50%; transform: translateY(-50%);
  font-size: 1.5rem; font-weight: 400; color: var(--teal-600);
  transition: transform var(--t);
}
.faq__item.open .faq__q::after { content: '−'; }
.faq__a { max-height: 0; overflow: hidden; transition: max-height var(--t); }
.faq__a > div { padding: 0 0 1.3rem; color: var(--grey-700); }
.faq__item.open .faq__a { max-height: 600px; }

/* ---------- Forms ---------- */
.form-wrap {
  background: var(--white);
  border: 1px solid var(--grey-200);
  border-radius: var(--radius-lg);
  padding: clamp(1.5rem, 4vw, 2.6rem);
  box-shadow: var(--shadow-md);
}
.field { margin-bottom: 1.15rem; }
.field label { display: block; font-weight: 600; font-size: 0.92rem; color: var(--navy-800); margin-bottom: 0.4rem; }
.field .req { color: var(--teal-600); }
.field input, .field select, .field textarea {
  width: 100%;
  font-family: inherit;
  font-size: 1rem;
  color: var(--ink);
  padding: 0.8rem 0.95rem;
  border: 1.5px solid var(--grey-200);
  border-radius: var(--radius-sm);
  background: var(--grey-50);
  transition: border-color var(--t), box-shadow var(--t), background var(--t);
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none;
  border-color: var(--teal-500);
  background: var(--white);
  box-shadow: 0 0 0 3px rgba(22,185,168,0.16);
}
.field textarea { min-height: 130px; resize: vertical; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1.15rem; }
@media (max-width: 560px) { .field-row { grid-template-columns: 1fr; } }
.check {
  display: flex; gap: 0.65rem; align-items: flex-start;
  font-size: 0.9rem; color: var(--grey-700);
}
.check input { width: auto; margin-top: 0.25rem; flex: none; }
.form-note { font-size: 0.85rem; color: var(--grey-500); margin-top: 1rem; }
.form-status { margin-top: 1rem; font-weight: 600; }
.form-status.ok { color: var(--teal-600); }

/* ---------- Callout / CTA band ---------- */
.cta-band {
  background: linear-gradient(120deg, var(--navy-800), var(--navy-700));
  border-radius: var(--radius-lg);
  padding: clamp(2rem, 5vw, 3.4rem);
  color: var(--white);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-band h2 { color: var(--white); }
.cta-band p { color: var(--grey-200); max-width: 40em; margin-inline: auto; }

/* ---------- Placeholder (social proof) ---------- */
.placeholder {
  border: 1.5px dashed var(--grey-300);
  border-radius: var(--radius);
  padding: 1.5rem;
  text-align: center;
  color: var(--grey-500);
  background: repeating-linear-gradient(45deg, var(--grey-50), var(--grey-50) 10px, #fff 10px, #fff 20px);
}
.placeholder strong { color: var(--grey-700); display: block; margin-bottom: 0.3rem; }
.placeholder .tag {
  display: inline-block; font-size: 0.7rem; font-weight: 700; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--teal-600); background: rgba(22,185,168,0.12);
  padding: 0.2em 0.6em; border-radius: 999px; margin-bottom: 0.6rem;
}

/* ---------- Disclaimer ---------- */
.disclaimer {
  background: var(--grey-50);
  border: 1px solid var(--grey-200);
  border-left: 4px solid var(--teal-500);
  border-radius: var(--radius-sm);
  padding: 1.2rem 1.4rem;
  font-size: 0.92rem;
  color: var(--grey-700);
}
.disclaimer strong { color: var(--navy-800); }

/* ---------- Page hero (interior) ---------- */
.page-hero {
  background:
    radial-gradient(900px 360px at 85% -20%, rgba(22,185,168,0.18), transparent 60%),
    var(--navy-900);
  color: var(--grey-100);
  padding: clamp(2.8rem, 6vw, 4.6rem) 0;
  text-align: center;
}
.page-hero h1 { color: var(--white); }
.page-hero p { color: var(--grey-200); max-width: 42em; margin-inline: auto; }

/* ---------- Breadcrumb-ish small ---------- */
.kicker { font-size: 0.95rem; color: var(--grey-500); }

/* ---------- Stat row ---------- */
.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.4rem; }
@media (max-width: 680px) { .stats { grid-template-columns: 1fr; } }
.stat { text-align: center; padding: 1.4rem; }
.stat__num { font-family: var(--font-display); font-weight: 800; font-size: 2.4rem; color: var(--teal-400); line-height: 1; }
.stat__label { color: var(--grey-200); font-size: 0.95rem; margin-top: 0.5rem; }
.stat__src { color: var(--grey-500); font-size: 0.78rem; margin-top: 0.3rem; }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--navy-900);
  color: var(--grey-300);
  padding: clamp(2.6rem, 5vw, 3.6rem) 0 1.6rem;
  font-size: 0.95rem;
}
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.2fr; gap: 2rem; }
@media (max-width: 880px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px) { .footer-grid { grid-template-columns: 1fr; } }
.site-footer h4 { color: var(--white); font-size: 0.95rem; text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 1rem; }
.site-footer a { color: var(--grey-300); }
.site-footer a:hover { color: var(--teal-400); }
.footer-links { list-style: none; padding: 0; margin: 0; }
.footer-links li { margin-bottom: 0.6rem; }
.footer-brand .brand { margin-bottom: 1rem; }
.footer-brand p { color: var(--grey-300); max-width: 30em; }
.footer-bottom {
  margin-top: 2.4rem; padding-top: 1.4rem;
  border-top: 1px solid rgba(255,255,255,0.1);
  display: flex; flex-wrap: wrap; gap: 0.8rem; justify-content: space-between;
  color: var(--grey-500); font-size: 0.85rem;
}

/* ---------- Misc ---------- */
.tick-list { list-style: none; padding: 0; }
.tick-list li { display: flex; gap: 0.6rem; align-items: flex-start; margin-bottom: 0.7rem; }
.tick-list svg { width: 20px; height: 20px; color: var(--teal-600); flex: none; margin-top: 3px; }

.split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem, 5vw, 4rem); align-items: center; }
@media (max-width: 820px) { .split { grid-template-columns: 1fr; } }

.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }
.mt-2 { margin-top: 2rem; }

.skip-link {
  position: absolute; left: -999px; top: 0;
  background: var(--teal-500); color: var(--navy-900);
  padding: 0.6rem 1rem; border-radius: 0 0 8px 0; z-index: 100; font-weight: 700;
}
.skip-link:focus { left: 0; }

@media (prefers-reduced-motion: reduce) {
  * { scroll-behavior: auto !important; transition: none !important; }
}