/* ============================================================
   SEO Prompts landing — built on Walter Design System
   - Inter, brand-blue (#056AFF) primary
   - Paper-flat: 1px alpha borders, no shadows except --shadow-sm
   - One gradient motif: soft blue-to-white top wash on the hero
   ============================================================ */

html, body { height: auto; }
body {
  background: var(--surface-1);
  color: var(--text-primary);
  -webkit-font-smoothing: antialiased;
}
*, *::before, *::after { box-sizing: border-box; }
img { max-width: 100%; display: block; }
button { font-family: inherit; }
a { color: inherit; text-decoration: none; }
::selection { background: var(--brand-blue-100); color: var(--brand-blue-900); }

.wrap { max-width: 1140px; margin: 0 auto; padding: 0 24px; width: 100%; }
.wrap-narrow { max-width: 760px; }

/* ============================================================ NAV */
.nav {
  position: absolute;
  top: 0; left: 0; right: 0;
  z-index: 10;
  padding: 20px 0;
}
.nav-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--text-primary);
}
.brand-mark {
  width: 28px; height: 28px;
  border-radius: var(--radius-md);
  background: var(--brand-blue-600);
  color: #fff;
  display: inline-flex; align-items: center; justify-content: center;
  font: var(--fw-bold) 14px/1 var(--font-sans);
  letter-spacing: -0.3px;
}
.brand-name {
  font: var(--fw-semibold) var(--label-1-size)/1 var(--font-sans);
  letter-spacing: var(--label-1-track);
}
.brand-name-dim { color: var(--text-tertiary); font-weight: var(--fw-medium); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
}
.nav-link {
  font: var(--fw-medium) var(--label-2-size)/1 var(--font-sans);
  color: var(--text-secondary);
}
.nav-link:hover { color: var(--text-primary); }

/* ============================================================ HERO */
.hero {
  position: relative;
  padding: 120px 0 90px;
  overflow: hidden;
  background:
    linear-gradient(180deg, rgb(225,231,244) 0%, rgba(225,231,244,0) 480px),
    var(--surface-1);
}
.hero-grid-row {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 0.95fr);
  gap: 56px;
  align-items: center;
}
.hero-copy { max-width: 560px; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 4px 10px 4px 8px;
  border-radius: var(--radius-pill);
  background: #fff;
  border: 1px solid var(--alpha-100);
  font: var(--fw-medium) var(--label-3-size)/1 var(--font-sans);
  letter-spacing: var(--label-3-track);
  color: var(--text-secondary);
  margin-bottom: 24px;
}
.eyebrow-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--brand-blue-600);
  box-shadow: 0 0 0 3px var(--brand-blue-100);
}
.eyebrow-caps {
  font: var(--fw-medium) 11px/14px var(--font-sans);
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--tw-neutral-500);
  display: inline-block;
  margin-bottom: 16px;
}

.hero-h1 {
  font: var(--fw-semibold) 56px/1.04 var(--font-sans);
  letter-spacing: -0.8px;
  margin: 0 0 18px;
  color: var(--text-primary);
  text-wrap: balance;
}
.headline-variant { display: none; }
.headline-variant.is-active { display: inline; }
.accent-text { color: var(--brand-blue-600); }

.hero-sub {
  font: var(--fw-regular) 18px/1.55 var(--font-sans);
  color: var(--text-secondary);
  margin: 0 0 28px;
  max-width: 520px;
  text-wrap: pretty;
}

/* ─── inline form ─── */
.email-form {
  display: flex;
  gap: 8px;
  max-width: 460px;
  position: relative;
  align-items: stretch;
  flex-wrap: wrap;
}
.email-form .w-input { flex: 1; min-width: 240px; height: 44px; padding: 0 12px; border-radius: var(--radius-xl); }
.email-form .w-input input { font-size: var(--body-1-size); }
.email-form .input-icon {
  width: 16px; height: 16px;
  color: var(--text-placeholder);
  flex-shrink: 0;
}
.email-form .w-btn { height: 44px; padding: 0 18px; border-radius: var(--radius-xl); font-size: var(--label-1-size); }

.form-message {
  flex-basis: 100%;
  font: var(--fw-regular) var(--body-3-size)/1.4 var(--font-sans);
  color: var(--text-tertiary);
  display: none;
  margin-top: 4px;
}
.form-message.is-success, .form-message.is-error { display: block; }
.form-message.is-success { color: var(--tw-green-700); }
.form-message.is-error { color: var(--tw-red-600); }

.email-form.is-submitted .w-input,
.email-form.is-submitted .w-btn { display: none; }
.email-form.is-submitted::before {
  content: "✓ Check your inbox for your library access link.";
  display: block;
  padding: 12px 16px;
  border-radius: var(--radius-xl);
  background: var(--tw-green-50);
  border: 1px solid var(--tw-green-200);
  color: var(--tw-green-700);
  font: var(--fw-medium) var(--label-1-size)/1 var(--font-sans);
  flex: 1;
}

/* ─── proof callout (hero) ─── */
.proof-callout {
  margin-top: 36px;
  display: grid;
  grid-template-columns: auto auto auto 1fr;
  gap: 0;
  background: #fff;
  border: 1px solid var(--alpha-100);
  border-radius: var(--radius-2xl);
  padding: 14px 18px;
  align-items: center;
  max-width: 560px;
  box-shadow: var(--shadow-sm);
}
.proof-stat {
  padding-right: 16px;
  margin-right: 16px;
  border-right: 1px solid var(--alpha-100);
  display: flex;
  flex-direction: column;
  gap: 2px;
  white-space: nowrap;
}
.proof-stat b {
  font: var(--fw-semibold) 22px/1 var(--font-sans);
  letter-spacing: -0.4px;
  color: var(--brand-blue-700);
  font-feature-settings: "tnum";
}
.proof-stat b i {
  font-style: normal;
  font-size: 12px;
  margin-left: 1px;
  color: var(--brand-blue-500);
  font-weight: var(--fw-medium);
}
.proof-stat small {
  font: var(--fw-medium) 10px/1.25 var(--font-sans);
  color: var(--text-tertiary);
  letter-spacing: 0.2px;
}
.proof-text {
  font: var(--fw-regular) var(--body-3-size)/1.45 var(--font-sans);
  color: var(--text-secondary);
  text-wrap: pretty;
  padding-left: 4px;
}
.proof-caps {
  display: block;
  font: var(--fw-medium) 10px/14px var(--font-sans);
  letter-spacing: 1.6px;
  text-transform: uppercase;
  color: var(--brand-blue-600);
  margin-bottom: 2px;
}

/* ============================================================ HERO VISUAL */
.hero-visual {
  position: relative;
  height: 420px;
}
.pack { position: absolute; inset: 0; }
.pack-card {
  position: absolute;
  width: 340px;
  background: var(--surface-raised);
  border: 1px solid var(--alpha-100);
  border-radius: var(--radius-2xl);
  padding: 18px 18px 16px;
  transition: transform 200ms cubic-bezier(.2,0,0,1);
  box-shadow: var(--shadow-sm);
}
.pack-card-1 {
  top: 50%; left: 50%;
  transform: translate(-50%, -50%) rotate(-2deg);
  z-index: 3;
  box-shadow: var(--shadow-lg);
}
.pack-card-2 {
  top: 50%; left: 50%;
  transform: translate(calc(-50% - 36px), calc(-50% - 76px)) rotate(-8deg);
  z-index: 2;
}
.pack-card-3 {
  top: 50%; left: 50%;
  transform: translate(calc(-50% + 52px), calc(-50% + 56px)) rotate(6deg);
  z-index: 1;
}
.pack:hover .pack-card-1 { transform: translate(-50%, -50%) rotate(0deg); }
.pack:hover .pack-card-2 { transform: translate(calc(-50% - 56px), calc(-50% - 96px)) rotate(-11deg); }
.pack:hover .pack-card-3 { transform: translate(calc(-50% + 72px), calc(-50% + 70px)) rotate(9deg); }

.pack-card-hd {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--alpha-100);
}
.pack-tag {
  font: var(--fw-medium) 11px/14px var(--font-sans);
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--brand-blue-600);
}
.pack-num {
  font: var(--fw-medium) var(--label-3-size)/1 var(--font-mono);
  color: var(--text-tertiary);
}
.pack-card-body p {
  margin: 0;
  font: var(--fw-regular) 13px/1.6 var(--font-mono);
  color: var(--text-secondary);
}
.pack-card-body .ph {
  color: var(--brand-blue-700);
  background: var(--brand-blue-50);
  padding: 1px 5px;
  border-radius: var(--radius-sm);
  font-weight: var(--fw-medium);
}
.pack-meta {
  margin-top: 14px;
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

/* ============================================================ PROBLEM */
.section-problem {
  padding: 88px 0;
  background: var(--surface-1);
  border-top: 1px solid var(--alpha-100);
  border-bottom: 1px solid var(--alpha-100);
}
.problem-hd { margin-bottom: 28px; }
.problem-hd .section-h2 { margin: 0; }
.problem-body p {
  font: var(--fw-regular) 19px/1.6 var(--font-sans);
  color: var(--text-secondary);
  margin: 0 0 16px;
  text-wrap: pretty;
}
.problem-body p:last-child { margin-bottom: 0; }
.problem-kicker {
  font-weight: var(--fw-semibold) !important;
  color: var(--text-primary) !important;
  padding-top: 8px;
  border-left: 3px solid var(--brand-blue-600);
  padding-left: 16px;
  margin-top: 24px !important;
}

/* ============================================================ MECHANISM */
.section-mechanism { background: var(--tw-neutral-50); }
.mech-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0,1fr));
  gap: 14px;
}
.mech-card {
  background: var(--surface-raised);
  border: 1px solid var(--alpha-100);
  border-radius: var(--radius-2xl);
  padding: 28px 24px 22px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.mech-icon {
  width: 44px; height: 44px;
  border-radius: var(--radius-xl);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 6px;
}
.mech-icon svg { width: 22px; height: 22px; }
.mech-icon-draft  { background: var(--brand-blue-50); color: var(--brand-blue-600); border: 1px solid var(--brand-blue-100); }
.mech-icon-detect { background: var(--brand-purple-50); color: var(--brand-purple-600); border: 1px solid var(--brand-purple-100); }
.mech-icon-keys   { background: var(--tw-green-50); color: var(--tw-green-700); border: 1px solid var(--tw-green-100); }
.mech-card h3 {
  font: var(--fw-semibold) var(--h5-size)/1.25 var(--font-sans);
  letter-spacing: var(--h5-track);
  margin: 0;
  color: var(--text-primary);
}
.mech-card p {
  font: var(--fw-regular) var(--body-2-size)/1.55 var(--font-sans);
  color: var(--text-secondary);
  margin: 0;
  flex: 1;
}
.mech-tag {
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--alpha-100);
  font: var(--fw-medium) 11px/1 var(--font-mono);
  color: var(--text-tertiary);
  letter-spacing: 0.5px;
}

/* ============================================================ SECTIONS */
.section {
  padding: 96px 0;
  position: relative;
}
.section-light { background: var(--surface-1); }
.section-sunken { background: var(--tw-neutral-50); }
.section-dark { background: var(--tw-neutral-900); color: #fff; }
.section-dark .section-h2 { color: #fff; }

.section-hd { max-width: 680px; margin: 0 auto 64px; text-align: center; }
.section-hd-left { text-align: left; margin-left: 0; }

.section-h2 {
  font: var(--fw-semibold) var(--h2-size)/1.1 var(--font-sans);
  letter-spacing: var(--h2-track);
  margin: 0 0 16px;
  color: var(--text-primary);
  text-wrap: balance;
}
.section-lede {
  font: var(--fw-regular) var(--body-1-size)/1.55 var(--font-sans);
  color: var(--text-secondary);
  margin: 0;
  text-wrap: pretty;
}
.section-dark .section-lede { color: var(--tw-neutral-300); }

/* ============================================================ WHAT YOU GET */
.cat-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0,1fr));
  gap: 12px;
  margin-bottom: 16px;
}
.cat-card {
  background: var(--surface-raised);
  border: 1px solid var(--alpha-100);
  border-radius: var(--radius-2xl);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  transition: border-color 120ms cubic-bezier(.2,0,0,1), background 120ms;
}
.cat-card:hover {
  border-color: var(--brand-blue-300);
  background: var(--brand-blue-50);
}
.cat-num {
  font: var(--fw-medium) var(--label-3-size)/1 var(--font-mono);
  color: var(--brand-blue-600);
  margin-bottom: 4px;
}
.cat-card h3 {
  font: var(--fw-semibold) var(--h6-size)/1.25 var(--font-sans);
  letter-spacing: var(--h6-track);
  margin: 0;
  color: var(--text-primary);
}
.cat-card p {
  font: var(--fw-regular) var(--body-3-size)/1.5 var(--font-sans);
  color: var(--text-secondary);
  margin: 0;
  flex: 1;
}
.cat-count {
  font: var(--fw-medium) var(--label-3-size)/1 var(--font-sans);
  color: var(--text-tertiary);
  padding-top: 10px;
  margin-top: auto;
  border-top: 1px solid var(--alpha-100);
}

/* Skills MD banner */
.skills-banner {
  margin-top: 16px;
  background: var(--surface-raised);
  border: 1px solid var(--alpha-100);
  border-radius: var(--radius-2xl);
  padding: 28px 32px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 24px;
  align-items: center;
}
.skills-banner-icon {
  width: 48px; height: 48px;
  border-radius: var(--radius-xl);
  background: var(--brand-blue-50);
  color: var(--brand-blue-600);
  display: inline-flex; align-items: center; justify-content: center;
  border: 1px solid var(--brand-blue-100);
}
.skills-banner-eyebrow {
  font: var(--fw-medium) 11px/14px var(--font-sans);
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--brand-blue-600);
  margin-bottom: 4px;
}
.skills-banner-body h3 {
  font: var(--fw-semibold) var(--h4-size)/1.25 var(--font-sans);
  letter-spacing: var(--h4-track);
  margin: 0 0 4px;
  color: var(--text-primary);
}
.skills-banner-body p {
  margin: 0;
  font: var(--fw-regular) var(--body-2-size)/1.5 var(--font-sans);
  color: var(--text-secondary);
  max-width: 560px;
}
.skills-banner-file {
  width: 180px;
  background: var(--tw-neutral-50);
  border: 1px solid var(--alpha-100);
  border-radius: var(--radius-lg);
  overflow: hidden;
  font-family: var(--font-mono);
}
.file-tab {
  padding: 8px 10px;
  font: var(--fw-medium) var(--body-4-size)/1 var(--font-mono);
  color: var(--text-tertiary);
  background: #fff;
  border-bottom: 1px solid var(--alpha-100);
}
.file-lines { padding: 12px 10px; display: flex; flex-direction: column; gap: 6px; }
.file-lines > div { height: 4px; border-radius: 2px; background: var(--alpha-100); }
.file-lines > div:nth-child(2) { width: 78%; background: var(--brand-blue-300); }
.file-lines > div:nth-child(4) { width: 56%; }

/* ============================================================ SAMPLE PROMPTS */
.section-prompts { background: var(--tw-neutral-50); }
.prompt-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0,1fr));
  gap: 12px;
}
.prompt-card {
  background: var(--surface-raised);
  border: 1px solid var(--alpha-100);
  border-radius: var(--radius-2xl);
  padding: 18px;
  position: relative;
  display: flex;
  flex-direction: column;
}
.prompt-hd {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 14px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--alpha-100);
}
.prompt-id {
  font: var(--fw-medium) var(--label-3-size)/1 var(--font-mono);
  color: var(--brand-blue-600);
}
.prompt-body {
  margin: 0;
  font: var(--fw-regular) 13px/1.65 var(--font-mono);
  color: var(--text-secondary);
  white-space: pre-wrap;
  word-break: break-word;
  flex: 1;
}
.prompt-body .m-p {
  color: var(--brand-blue-700);
  background: var(--brand-blue-50);
  padding: 1px 4px;
  border-radius: var(--radius-sm);
}
.prompt-body .m-n { color: var(--tw-amber-700); font-weight: var(--fw-medium); }
.prompt-body .m-k {
  color: var(--brand-purple-700);
  background: var(--brand-purple-50);
  padding: 1px 5px;
  border-radius: var(--radius-sm);
  font-weight: var(--fw-medium);
}
.prompt-copy {
  position: absolute;
  top: 12px;
  right: 12px;
}

.prompt-grid-cta {
  margin-top: 28px;
  display: flex;
  justify-content: center;
}
.prompt-grid-cta .w-btn { gap: 8px; }
.how-footnote {
  margin-top: 40px;
  text-align: center;
  font: var(--fw-regular) var(--body-3-size)/1.5 var(--font-sans);
  color: var(--text-tertiary);
}
.inline-mono {
  font-family: var(--font-mono);
  font-size: 0.9em;
  background: var(--tw-neutral-100);
  padding: 1px 6px;
  border-radius: var(--radius-sm);
  color: var(--brand-blue-700);
  border: 1px solid var(--alpha-100);
}

/* ============================================================ HOW IT WORKS */
.section-how { background: var(--surface-1); }
.how-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  gap: 56px;
  align-items: center;
}
.how-steps { list-style: none; padding: 0; margin: 0; }
.how-steps li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 16px;
  padding: 18px 0;
  border-bottom: 1px solid var(--alpha-100);
}
.how-steps li:last-child { border-bottom: 0; }
.step-num {
  font: var(--fw-semibold) var(--label-3-size)/1 var(--font-mono);
  color: var(--brand-blue-600);
  background: var(--brand-blue-50);
  border: 1px solid var(--brand-blue-100);
  border-radius: var(--radius-md);
  padding: 6px 9px;
  height: fit-content;
  letter-spacing: 0;
}
.step-body h3 {
  font: var(--fw-semibold) var(--h5-size)/1.25 var(--font-sans);
  letter-spacing: var(--h5-track);
  margin: 0 0 4px;
  color: var(--text-primary);
}
.step-body p {
  font: var(--fw-regular) var(--body-2-size)/1.5 var(--font-sans);
  color: var(--text-secondary);
  margin: 0;
}

/* ─── Mock Claude conversation ─── */
.claude-mock {
  background: var(--surface-raised);
  border: 1px solid var(--alpha-100);
  border-radius: var(--radius-2xl);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}
.claude-chrome {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  background: var(--tw-neutral-50);
  border-bottom: 1px solid var(--alpha-100);
}
.claude-dots { display: flex; gap: 5px; }
.claude-dots i { width: 9px; height: 9px; border-radius: 50%; background: var(--alpha-200); }
.claude-title {
  flex: 1;
  text-align: center;
  font: var(--fw-medium) var(--label-3-size)/1 var(--font-sans);
  color: var(--text-tertiary);
}
.claude-body {
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  background: var(--surface-1);
}
.msg-user { display: flex; justify-content: flex-end; }
.msg-bubble {
  max-width: 88%;
  background: var(--brand-blue-600);
  color: #fff;
  padding: 10px 14px;
  border-radius: var(--radius-xl) var(--radius-xl) var(--radius-sm) var(--radius-xl);
  font: var(--fw-regular) var(--body-2-size)/1.5 var(--font-sans);
}
.msg-bubble .hl {
  background: rgba(255,255,255,0.18);
  padding: 1px 5px;
  border-radius: var(--radius-sm);
  font-weight: var(--fw-medium);
}
.msg-claude {
  display: grid;
  grid-template-columns: 28px 1fr;
  gap: 10px;
  align-items: flex-start;
}
.msg-avatar {
  width: 28px; height: 28px;
  border-radius: var(--radius-md);
  background: var(--tw-stone-800);
  display: inline-flex; align-items: center; justify-content: center;
  color: #fff;
  font: var(--fw-semibold) 12px/1 var(--font-sans);
}
.msg-content { display: flex; flex-direction: column; gap: 10px; }
.msg-line {
  font: var(--fw-regular) var(--body-2-size)/1.5 var(--font-sans);
  color: var(--text-secondary);
}
.msg-line-quiet { font-size: var(--body-3-size); color: var(--text-tertiary); }
.msg-link { color: var(--brand-blue-600); font-weight: var(--fw-medium); }
.msg-link:hover { color: var(--brand-blue-700); text-decoration: underline; }

.tool-card {
  background: var(--surface-raised);
  border: 1px solid var(--alpha-100);
  border-radius: var(--radius-xl);
  padding: 12px 14px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.tool-hd {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.tool-name {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font: var(--fw-semibold) var(--label-2-size)/1 var(--font-sans);
  color: var(--text-primary);
}
.tool-name-icon {
  width: 16px; height: 16px;
  display: inline-flex; align-items: center; justify-content: center;
  color: var(--brand-blue-600);
}
.tool-progress {
  height: 4px;
  background: var(--alpha-100);
  border-radius: var(--radius-pill);
  overflow: hidden;
}
.tool-progress-fill {
  width: 78%;
  height: 100%;
  background: var(--brand-blue-600);
  border-radius: inherit;
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.7; }
}
.tool-meta {
  display: flex;
  justify-content: space-between;
  font: var(--fw-regular) var(--body-3-size)/1 var(--font-sans);
  color: var(--text-tertiary);
}
.tool-meta > span { display: inline-flex; align-items: center; gap: 6px; }
.kbd-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--text-tertiary); }
.dot-ok { background: var(--tw-green-500); }

.score-row { display: flex; flex-direction: column; gap: 6px; }
.score-bar {
  position: relative;
  background: var(--tw-neutral-100);
  height: 22px;
  border-radius: var(--radius-md);
  overflow: hidden;
  font: var(--fw-medium) 11px/22px var(--font-mono);
  display: flex;
  align-items: center;
}
.score-bar-fill {
  position: absolute;
  inset: 0 auto 0 0;
  border-radius: inherit;
}
.score-bar > span {
  position: relative;
  z-index: 1;
  padding-left: 9px;
  color: #fff;
  font-weight: var(--fw-medium);
}
.score-bar > b {
  position: absolute;
  right: 10px;
  z-index: 1;
  font-weight: var(--fw-semibold);
  color: var(--text-primary);
}

/* ============================================================ STATS — DARK */
.section-stats { padding: 96px 0 100px; }
.section-stats .eyebrow-caps { color: var(--tw-neutral-500); }
.stat-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0,1fr));
  gap: 32px;
}
.stat {
  border-top: 1px solid rgba(255,255,255,0.10);
  padding-top: 24px;
}
.stat-num {
  font: var(--fw-semibold) 72px/0.95 var(--font-sans);
  letter-spacing: -1.8px;
  color: #fff;
  margin-bottom: 16px;
  display: flex;
  align-items: baseline;
  font-feature-settings: "tnum";
}
.stat-pre { color: rgba(255,255,255,0.45); }
.stat-arrow {
  color: var(--brand-blue-400);
  font-weight: var(--fw-medium);
  margin: 0 8px;
  font-size: 0.65em;
}
.stat-time small {
  font-size: 0.38em;
  margin-left: 4px;
  color: rgba(255,255,255,0.5);
  font-weight: var(--fw-medium);
  letter-spacing: 0;
}
.stat-label {
  font: var(--fw-regular) var(--body-1-size)/1.5 var(--font-sans);
  color: rgba(255,255,255,0.65);
  max-width: 280px;
}

/* ============================================================ FAQ */
.section-faq { padding: 96px 0 100px; background: var(--surface-1); }
.faq { display: flex; flex-direction: column; gap: 6px; }
.faq-item {
  background: var(--surface-raised);
  border: 1px solid var(--alpha-100);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: border-color 120ms, background 120ms;
}
.faq-item[open] {
  border-color: var(--brand-blue-200);
  background: var(--brand-blue-50);
}
.faq-item summary {
  list-style: none;
  cursor: pointer;
  padding: 18px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  font: var(--fw-semibold) var(--label-1-size)/1.3 var(--font-sans);
  letter-spacing: var(--label-1-track);
  color: var(--text-primary);
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-chev {
  width: 24px; height: 24px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  background: var(--alpha-50);
  color: var(--text-tertiary);
  transition: transform 150ms cubic-bezier(.2,0,0,1);
  flex-shrink: 0;
}
.faq-item[open] .faq-chev {
  transform: rotate(180deg);
  background: var(--brand-blue-100);
  color: var(--brand-blue-700);
}
.faq-body {
  padding: 0 20px 20px;
  font: var(--fw-regular) var(--body-1-size)/1.55 var(--font-sans);
  color: var(--text-secondary);
  max-width: 700px;
}

/* ============================================================ FINAL CTA */
.section-cta {
  padding: 100px 0;
  background: var(--surface-1);
  border-top: 1px solid var(--alpha-100);
}
.cta-card {
  background: var(--tw-neutral-900);
  color: #fff;
  border-radius: var(--radius-3xl);
  padding: 64px 48px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(5,106,255,0.18) 0%, transparent 50%);
  pointer-events: none;
}
.cta-inner { position: relative; z-index: 1; max-width: 540px; margin: 0 auto; }
.cta-h2 {
  font: var(--fw-semibold) var(--h1-size)/1.05 var(--font-sans);
  letter-spacing: var(--h1-track);
  color: #fff;
  margin: 0 0 14px;
  text-wrap: balance;
}
.cta-sub {
  font: var(--fw-regular) var(--body-1-size)/1.55 var(--font-sans);
  color: rgba(255,255,255,0.7);
  margin: 0 auto 28px;
  max-width: 460px;
}
.email-form-stacked {
  justify-content: center;
  margin: 0 auto;
}
.email-form-stacked .w-input {
  background: rgba(255,255,255,0.06);
  border-color: rgba(255,255,255,0.16);
}
.email-form-stacked .w-input:hover { border-color: rgba(255,255,255,0.26); }
.email-form-stacked .w-input input { color: #fff; }
.email-form-stacked .w-input input::placeholder { color: rgba(255,255,255,0.4); }
.email-form-stacked .w-input .input-icon { color: rgba(255,255,255,0.5); }
.email-form-stacked .w-input:focus-within { box-shadow: 0 0 0 4px rgba(5,106,255,0.4); }
.cta-fineprint {
  margin-top: 32px;
  font: var(--fw-regular) var(--body-3-size)/1 var(--font-sans);
  color: rgba(255,255,255,0.5);
}

/* ============================================================ FOOTER */
.footer {
  background: var(--surface-1);
  border-top: 1px solid var(--alpha-100);
  padding: 28px 0;
}
.footer-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  font: var(--fw-regular) var(--body-3-size)/1 var(--font-sans);
  color: var(--text-tertiary);
}
.footer-brand { display: flex; align-items: center; gap: 10px; color: var(--text-secondary); }
.footer-links { display: flex; gap: 20px; }
.footer-links a { color: var(--text-tertiary); }
.footer-links a:hover { color: var(--text-primary); }

/* ============================================================ RESPONSIVE */
@media (max-width: 1024px) {
  .mech-grid { grid-template-columns: 1fr; }
  .proof-callout { grid-template-columns: repeat(3, auto); }
  .proof-text { grid-column: 1 / -1; margin-top: 12px; padding-top: 12px; border-top: 1px solid var(--alpha-100); padding-left: 0; }
}
@media (max-width: 1024px) {
  .hero { padding: 100px 0 80px; }
  .hero-grid-row { grid-template-columns: 1fr; gap: 64px; }
  .hero-visual { height: 360px; }
  .cat-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .how-layout { grid-template-columns: 1fr; gap: 40px; }
  .skills-banner { grid-template-columns: auto 1fr; }
  .skills-banner-file { display: none; }
  .prompt-grid { grid-template-columns: 1fr; }
  .stat-grid { grid-template-columns: 1fr; gap: 28px; }
  .section { padding: 72px 0; }
  .cta-card { padding: 48px 28px; }
}

@media (max-width: 640px) {
  .nav-link { display: none; }
  .hero-h1 { font-size: 36px; letter-spacing: -0.5px; }
  .hero-sub { font-size: 16px; }
  .hero-visual { display: none; }
  .cat-grid { grid-template-columns: 1fr; }
  .skills-banner { grid-template-columns: 1fr; padding: 24px; }
  .stat-num { font-size: 56px; letter-spacing: -1.2px; }
  .section-h2 { font-size: 28px; }
  .cta-h2 { font-size: 32px; }
  .footer-row { flex-direction: column; align-items: flex-start; gap: 12px; }
}