/* ---------- Reset & base ---------- */
*, *::before, *::after { 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;
  font-size: 17px;
}
h1, h2, h3, h4 { margin: 0 0 0.5em 0; line-height: 1.2; color: var(--color-heading); }
p { margin: 0 0 1em 0; }
a { color: var(--color-accent); }
ol, ul { padding: 0; margin: 0; list-style: none; }
img { max-width: 100%; display: block; }

/* ---------- Theme tokens ---------- */
:root {
  --color-bg: #ffffff;
  --color-bg-alt: #f5f7f8;
  --color-heading: #132a3a;
  --color-text: #2b3640;
  --color-text-muted: #5b6b76;
  --color-primary: #132a3a;
  --color-primary-light: #1f4a63;
  --color-accent: #7a0019;
  --color-accent-dark: #57000f;
  --color-border: #e2e8ec;
  --color-input-border: #94a3b8;
  --color-placeholder: #64748b;
  --max-width: 1080px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --color-bg: #0f1a22;
    --color-bg-alt: #16232c;
    --color-heading: #f1f5f7;
    --color-text: #cbd5db;
    --color-text-muted: #93a3ad;
    --color-primary: #0d1b24;
    --color-primary-light: #1f4a63;
    --color-accent: #c2445f;
    --color-accent-dark: #a03350;
    --color-border: #223038;
    --color-input-border: #7c8f99;
    --color-placeholder: #9fb0b8;
  }
}

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

/* ---------- Header / nav ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--color-heading);
  text-decoration: none;
  white-space: nowrap;
}
.logo-mark {
  width: 26px;
  height: 26px;
  flex: 0 0 auto;
}

.primary-nav {
  display: flex;
  align-items: center;
  gap: 28px;
}
.primary-nav a {
  color: var(--color-text);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
}
.primary-nav a:hover { color: var(--color-accent); }
.nav-cta {
  background: var(--color-accent);
  color: #fff !important;
  padding: 9px 18px;
  border-radius: 6px;
  font-weight: 600 !important;
}
.nav-cta:hover { background: var(--color-accent-dark); }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 34px;
  height: 34px;
  background: none;
  border: none;
  cursor: pointer;
}
.nav-toggle span {
  display: block;
  height: 2px;
  background: var(--color-heading);
  border-radius: 2px;
}

/* ---------- Hero ---------- */
.hero {
  background: linear-gradient(180deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  color: #fff;
  padding: 96px 0 88px;
  text-align: center;
}
.notfound-code {
  font-size: clamp(3.5rem, 10vw, 6rem);
  font-weight: 700;
  color: var(--color-accent);
  letter-spacing: 0.05em;
  margin-bottom: 0.1em;
  opacity: 0.9;
}
.hero h1 {
  color: #fff;
  font-size: clamp(1.9rem, 4vw, 2.8rem);
  margin-bottom: 0.6em;
}
.hero-sub {
  max-width: 840px;
  margin: 0 auto 2em;
  font-size: 1.3rem;
  color: rgba(255,255,255,0.85);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-block;
  text-decoration: none;
  font-weight: 600;
  border-radius: 8px;
  padding: 14px 30px;
  transition: background 0.15s ease, transform 0.15s ease;
}
.btn-primary {
  background: var(--color-accent);
  color: #fff;
}
.btn-primary:hover {
  background: var(--color-accent-dark);
  transform: translateY(-1px);
}
.btn-large { font-size: 1.05rem; padding: 16px 36px; }

/* ---------- Sections ---------- */
.section {
  padding: 88px 0;
}
.section-alt {
  background: var(--color-bg-alt);
}
.section h2 {
  font-size: clamp(1.6rem, 3vw, 2.1rem);
  text-align: center;
}
.section-lede {
  text-align: center;
  color: var(--color-text-muted);
  max-width: 840px;
  margin: 0 auto 3em;
  font-size: 1.2rem;
}

/* ---------- Sound familiar ---------- */
.familiar-list {
  max-width: 840px;
  margin: 0 auto 2em;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.familiar-list li {
  position: relative;
  padding-left: 30px;
  font-size: 1.18rem;
  color: var(--color-text);
}
.familiar-list li::before {
  content: "\2013";
  position: absolute;
  left: 0;
  color: var(--color-accent);
  font-weight: 700;
}
.familiar-close {
  text-align: center;
  max-width: 840px;
  margin: 0 auto;
  font-weight: 600;
  color: var(--color-heading);
  font-size: 1.25rem;
}

/* ---------- Not about tools ---------- */
.tools-copy {
  max-width: 840px;
  margin: 0 auto;
}
.tools-copy p {
  font-size: 1.15rem;
  color: var(--color-text);
}
.tools-copy p:last-child { margin-bottom: 0; }

/* ---------- How it works ---------- */
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.step {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 32px 28px;
}
.step-number {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--color-accent);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  margin-bottom: 16px;
}
.step h3 { font-size: 1.15rem; }
.step p { color: var(--color-text-muted); margin-bottom: 0; }

/* ---------- Ladder (levels) ---------- */
.ladder {
  max-width: 760px;
  margin: 0 auto 4em;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.rung {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 10px;
  padding: 20px 24px;
}
.rung-number {
  flex: 0 0 auto;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 2px solid var(--color-accent);
  color: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1rem;
}
.rung-body h3 { font-size: 1.15rem; margin-bottom: 0.25em; }
.rung-body p { color: var(--color-text-muted); margin-bottom: 0; font-size: 1.05rem; }

.evaluate-block { text-align: center; }
.evaluate-heading { margin-bottom: 1.2em; }
.evaluate-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  text-align: left;
}
.evaluate-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 10px;
  padding: 22px 20px;
}
.evaluate-card h4 { font-size: 1.05rem; margin-bottom: 0.4em; }
.evaluate-card p { color: var(--color-text-muted); font-size: 1rem; margin-bottom: 0; }

/* ---------- Who it's for ---------- */
.who-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.who-card {
  text-align: center;
  padding: 30px 24px;
  border-radius: 12px;
  background: var(--color-bg-alt);
}
.who-card h3 { color: var(--color-accent); }
.who-card p { color: var(--color-text-muted); margin-bottom: 0; }

.who-note {
  max-width: 840px;
  margin: 2.5em auto 0;
  text-align: center;
  color: var(--color-text-muted);
  font-size: 1.1rem;
}
.who-note strong { color: var(--color-heading); }

/* ---------- Contact ---------- */
.contact-section { text-align: center; }
.contact-alt { margin-top: 1em; color: var(--color-text-muted); }
.pricing-note {
  max-width: 560px;
  margin: 1.75em auto 0;
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

.contact-form {
  max-width: 480px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
  text-align: left;
}
.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1.5px solid var(--color-input-border);
  border-radius: 8px;
  font-family: inherit;
  font-size: 1rem;
  color: var(--color-text);
  background: var(--color-bg-alt);
  resize: vertical;
}
.contact-form input::placeholder,
.contact-form textarea::placeholder {
  color: var(--color-placeholder);
  opacity: 1;
}
.contact-form input:focus,
.contact-form textarea:focus {
  outline: 2px solid var(--color-accent);
  outline-offset: 1px;
  border-color: var(--color-accent);
}
.contact-form button {
  align-self: center;
  margin-top: 4px;
  border: none;
  cursor: pointer;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.form-thanks {
  max-width: 480px;
  margin: 0 auto;
  font-weight: 600;
  color: var(--color-heading);
  font-size: 1.15rem;
}

/* ---------- Footer ---------- */
.site-footer {
  background: var(--color-primary);
  color: rgba(255,255,255,0.7);
  padding: 28px 0;
  text-align: center;
  font-size: 0.9rem;
}
.footer-privacy {
  max-width: 560px;
  margin: 0.75em auto 0;
  font-size: 0.8rem;
  color: rgba(255,255,255,0.5);
}

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
  .steps { grid-template-columns: 1fr; }
  .evaluate-grid { grid-template-columns: repeat(2, 1fr); }
  .who-grid { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .evaluate-grid { grid-template-columns: 1fr; }
  .nav-toggle { display: flex; }
  .primary-nav {
    position: absolute;
    top: 68px;
    left: 0;
    right: 0;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.25s ease;
  }
  .primary-nav.open { max-height: 320px; }
  .primary-nav a {
    width: 100%;
    padding: 14px 24px;
    border-bottom: 1px solid var(--color-border);
  }
  .nav-cta { border-radius: 0; text-align: center; }
}