:root {
  --navy: #0A1628;
  --navy-light: #142240;
  --gold: #C9A84C;
  --gold-light: #E8C96A;
  --white: #FFFFFF;
  --gray-50: #F4F5F7;
  --gray-100: #E8E9EC;
  --gray-400: #9CA3AF;
  --gray-600: #6B7280;
  --gray-700: #374151;
  --red-50: #FEF2F2;
  --red-600: #DC2626;
  --amber-50: #FFFBEB;
  --amber-600: #D97706;
  --blue-50: #EFF6FF;
  --blue-600: #2563EB;
  --green-50: #F0FDF4;
  --green-600: #16A34A;
  --font: 'Inter', sans-serif;
  --radius: 8px;
  --radius-lg: 12px;
  --container: 1100px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: var(--font); font-size: 16px; line-height: 1.6; color: var(--gray-700); background: var(--white); }
a { color: inherit; text-decoration: none; }
strong { font-weight: 600; color: var(--navy); }

.container { max-width: var(--container); margin: 0 auto; padding: 0 1.5rem; }
.section { padding: 5rem 0; }
.section--alt { background: var(--gray-50); }
.section--navy { background: var(--navy); }
.section--urgent { background: var(--gray-50); border-top: 4px solid var(--gold); }
.section-label { font-size: 11px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--gold); margin-bottom: .75rem; }
.section-title { font-size: clamp(1.5rem, 3vw, 2.2rem); font-weight: 700; color: var(--navy); line-height: 1.2; margin-bottom: 1rem; }
.section-sub { font-size: 1.05rem; color: var(--gray-400); max-width: 640px; margin-bottom: 2.5rem; line-height: 1.6; }

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; padding: .625rem 1.25rem; border-radius: var(--radius); font-size: .9rem; font-weight: 600; cursor: pointer; border: 2px solid transparent; transition: all .15s; text-decoration: none; }
.btn--gold { background: var(--gold); color: var(--navy); border-color: var(--gold); }
.btn--gold:hover { background: var(--gold-light); }
.btn--outline { background: transparent; color: var(--navy); border-color: var(--navy); }
.btn--outline:hover { background: var(--navy); color: var(--white); }
.btn--ghost { background: transparent; color: var(--white); border-color: rgba(255,255,255,.4); }
.btn--ghost:hover { background: rgba(255,255,255,.1); }
.btn--lg { padding: .875rem 2rem; font-size: 1rem; }
.btn--sm { padding: .375rem .875rem; font-size: .8rem; }
.btn--full { width: 100%; }

/* Alert banner */
.alert-banner { background: var(--navy); color: rgba(255,255,255,.9); font-size: .85rem; padding: .625rem 0; text-align: center; border-bottom: 2px solid var(--gold); }
.alert-banner a { color: var(--gold); text-decoration: underline; margin-left: .5rem; }

/* Nav */
.nav { position: sticky; top: 0; z-index: 100; background: var(--white); border-bottom: 1px solid var(--gray-100); box-shadow: 0 1px 3px rgba(0,0,0,.08); }
.nav__inner { max-width: var(--container); margin: 0 auto; padding: 0 1.5rem; display: flex; align-items: center; gap: 1.5rem; height: 60px; }
.nav__logo { display: flex; align-items: center; gap: .5rem; color: var(--navy); font-size: 1rem; font-weight: 700; flex-shrink: 0; }
.nav__logo-mark { width: 32px; height: 32px; background: var(--navy); color: var(--gold); border-radius: 6px; display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: .7rem; letter-spacing: -.02em; }
.nav__logo-sub { color: var(--gray-400); font-weight: 400; }
.nav__links { display: flex; gap: 1.25rem; list-style: none; margin-left: auto; }
.nav__links a { color: var(--gray-600); font-size: .825rem; font-weight: 500; transition: color .15s; }
.nav__links a:hover { color: var(--navy); }
.nav__cta { flex-shrink: 0; }
.nav__hamburger { display: none; background: none; border: 1px solid var(--gray-100); padding: .375rem .625rem; border-radius: var(--radius); cursor: pointer; color: var(--navy); font-size: 1.1rem; margin-left: auto; }
@media (max-width: 900px) { .nav__links { display: none; } .nav__hamburger { display: flex; } .nav__cta { display: none; } }

/* Hero */
.hero { background: linear-gradient(135deg, var(--navy) 0%, #1a2f52 100%); color: var(--white); padding: 5rem 0 4rem; }
.hero__eyebrow { font-size: .8rem; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; color: var(--gold); margin-bottom: 1rem; }
.hero__title { font-size: clamp(2rem, 4vw, 2.75rem); font-weight: 700; line-height: 1.15; margin-bottom: 1.25rem; }
.hero__sub { font-size: 1.05rem; color: rgba(255,255,255,.75); max-width: 680px; margin-bottom: 2rem; line-height: 1.7; }
.hero__actions { display: flex; gap: 1rem; flex-wrap: wrap; margin-bottom: 2.5rem; }
.hero__meta { display: flex; gap: 1.5rem; flex-wrap: wrap; border-top: 1px solid rgba(255,255,255,.1); padding-top: 1.5rem; }
.hero__meta span { font-size: .8rem; color: rgba(255,255,255,.6); }

/* Explainer grid */
.explainer-grid { display: grid; grid-template-columns: 1fr 320px; gap: 3rem; align-items: start; }
.explainer-main p { margin-bottom: 1rem; line-height: 1.7; }
.fact-card { border: 1px solid var(--gray-100); border-radius: var(--radius); padding: .75rem 1rem; margin-bottom: .5rem; }
.fact-card__label { font-size: .7rem; font-weight: 700; text-transform: uppercase; letter-spacing: .06em; color: var(--gray-400); margin-bottom: .2rem; }
.fact-card__value { font-size: .875rem; font-weight: 500; color: var(--navy); }
@media (max-width: 768px) { .explainer-grid { grid-template-columns: 1fr; } }

/* Callouts */
.callout { border-radius: var(--radius); padding: 1rem 1.25rem; margin: 1.5rem 0; font-size: .9rem; line-height: 1.6; }
.callout--info { background: var(--blue-50); border-left: 4px solid var(--blue-600); color: var(--navy); }
.callout--warn { background: var(--amber-50); border-left: 4px solid var(--amber-600); color: var(--navy); }
.callout--action { background: var(--green-50); border-left: 4px solid var(--green-600); color: var(--navy); }
.callout--action ol { margin: .75rem 0 0 1.25rem; }
.callout--action li { margin-bottom: .375rem; }

/* Tracks */
.tracks-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; margin-bottom: 2.5rem; }
.track-card { background: var(--white); border: 1px solid var(--gray-100); border-radius: var(--radius-lg); padding: 1.75rem; }
.track-card--incoming { border-color: var(--gold); }
.track-badge { display: inline-block; font-size: .7rem; font-weight: 700; text-transform: uppercase; letter-spacing: .06em; padding: .25rem .625rem; border-radius: 99px; background: var(--green-50); color: var(--green-600); margin-bottom: .75rem; }
.track-badge--warn { background: var(--amber-50); color: var(--amber-600); }
.track-card h3 { font-size: 1.05rem; font-weight: 700; color: var(--navy); margin-bottom: .75rem; }
.track-card ul { list-style: none; margin-bottom: 1rem; }
.track-card li { font-size: .875rem; color: var(--gray-700); padding: .3rem 0; padding-left: 1.25rem; position: relative; }
.track-card li::before { content: "→"; position: absolute; left: 0; color: var(--gold); font-weight: 700; }
.track-note { font-size: .8rem; color: var(--gray-400); line-height: 1.5; margin-bottom: 1rem; }
@media (max-width: 700px) { .tracks-grid { grid-template-columns: 1fr; } }

/* Triggers */
.trigger-list { margin-top: 1rem; }
.trigger-list h3 { font-size: 1rem; font-weight: 700; color: var(--navy); margin-bottom: 1rem; }
.trigger-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: .75rem; }
.trigger-item { background: var(--white); border: 1px solid var(--gray-100); border-radius: var(--radius); padding: .75rem; display: flex; gap: .5rem; align-items: center; font-size: .825rem; color: var(--gray-700); }
.trigger-icon { font-size: 1.1rem; flex-shrink: 0; }
@media (max-width: 768px) { .trigger-grid { grid-template-columns: repeat(2, 1fr); } }

/* Questions */
.questions-list { display: flex; flex-direction: column; gap: 0; border: 1px solid var(--gray-100); border-radius: var(--radius-lg); overflow: hidden; margin-bottom: 1.5rem; }
.question-item { display: grid; grid-template-columns: 56px 1fr; gap: 0; border-bottom: 1px solid var(--gray-100); }
.question-item:last-child { border-bottom: none; }
.question-num { background: var(--navy); color: var(--gold); font-weight: 700; font-size: .9rem; display: flex; align-items: flex-start; justify-content: center; padding: 1.25rem .5rem; }
.question-body { padding: 1.25rem 1.5rem; }
.question-body h3 { font-size: .95rem; font-weight: 700; color: var(--navy); margin-bottom: .5rem; }
.question-body p { font-size: .875rem; line-height: 1.6; color: var(--gray-700); }
.question-flag { margin-top: .625rem; font-size: .8rem; background: var(--amber-50); color: var(--amber-600); padding: .375rem .625rem; border-radius: 4px; font-weight: 500; }

/* Section 847 */
.urgent-banner { background: var(--navy); color: var(--white); border-radius: var(--radius-lg); padding: 1.25rem 1.5rem; display: flex; align-items: center; gap: 1rem; margin-bottom: 2rem; font-size: .9rem; }
.urgent-banner__icon { font-size: 1.5rem; flex-shrink: 0; }
.s847-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.25rem; margin-bottom: 1.5rem; }
.s847-card { background: var(--white); border: 1px solid var(--gray-100); border-radius: var(--radius-lg); padding: 1.5rem; }
.s847-card h3 { font-size: .95rem; font-weight: 700; color: var(--navy); margin-bottom: .75rem; }
.s847-card ul { list-style: none; }
.s847-card li { font-size: .875rem; padding: .3rem 0; padding-left: 1rem; position: relative; color: var(--gray-700); }
.s847-card li::before { content: "·"; position: absolute; left: 0; color: var(--gold); font-weight: 700; font-size: 1.2rem; line-height: 1; top: .4rem; }
@media (max-width: 700px) { .s847-grid { grid-template-columns: 1fr; } }

/* Process flow */
.process-flow { max-width: 720px; margin: 0 auto 3rem; }
.process-step { display: grid; grid-template-columns: 48px 1fr; gap: 1rem; }
.process-step__num { width: 48px; height: 48px; background: var(--navy); color: var(--gold); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 1rem; flex-shrink: 0; margin-top: .25rem; }
.process-step__body h3 { font-size: 1rem; font-weight: 700; color: var(--navy); margin-bottom: .5rem; }
.process-step__body p { font-size: .875rem; line-height: 1.6; color: var(--gray-700); }
.process-step__time { margin-top: .5rem; font-size: .78rem; color: var(--gold); font-weight: 600; background: rgba(201,168,76,.1); padding: .25rem .5rem; border-radius: 4px; display: inline-block; }
.process-arrow { text-align: center; font-size: 1.5rem; color: var(--gray-100); padding: .5rem 0; margin-left: 24px; }

/* Mitigation types */
.mitigation-types { margin-top: 1rem; }
.mitigation-types h3 { font-size: 1rem; font-weight: 700; color: var(--navy); margin-bottom: 1rem; }
.mit-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; }
.mit-card { background: var(--white); border: 1px solid var(--gray-100); border-radius: var(--radius); padding: 1.25rem; }
.mit-card--highlight { border-color: var(--gold); }
.mit-name { font-size: .875rem; font-weight: 700; color: var(--navy); margin-bottom: .25rem; }
.mit-level { font-size: .72rem; font-weight: 600; color: var(--gold); text-transform: uppercase; letter-spacing: .05em; margin-bottom: .5rem; }
.mit-card p { font-size: .8rem; color: var(--gray-600); line-height: 1.5; }
@media (max-width: 900px) { .mit-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 500px) { .mit-grid { grid-template-columns: 1fr; } }

/* Help section */
.help-layout { display: grid; grid-template-columns: 1fr 420px; gap: 4rem; align-items: start; }
.help-services { list-style: none; margin-bottom: 1.5rem; }
.help-services li { font-size: .9rem; color: rgba(255,255,255,.8); padding: .375rem 0; padding-left: 1.25rem; position: relative; }
.help-services li::before { content: "✓"; position: absolute; left: 0; color: var(--gold); font-weight: 700; }
.help-trust { display: flex; flex-direction: column; gap: .5rem; }
.trust-item { font-size: .825rem; color: rgba(255,255,255,.6); }
.help-form-wrap { background: var(--white); border-radius: var(--radius-lg); padding: 2rem; }
.help-form__title { font-size: 1.1rem; font-weight: 700; color: var(--navy); margin-bottom: .25rem; }
.help-form__sub { font-size: .85rem; color: var(--gray-400); margin-bottom: 1.25rem; }
.form-group { display: flex; flex-direction: column; gap: .375rem; margin-bottom: .875rem; }
.form-group label { font-size: .78rem; font-weight: 600; color: var(--gray-600); }
.form-group input, .form-group select, .form-group textarea { border: 1px solid var(--gray-100); border-radius: var(--radius); padding: .6rem .875rem; font-family: var(--font); font-size: .875rem; color: var(--navy); background: var(--white); }
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { outline: none; border-color: var(--gold); }
.form-privacy { font-size: .72rem; color: var(--gray-400); text-align: center; margin-top: .5rem; }
@media (max-width: 900px) { .help-layout { grid-template-columns: 1fr; } }

/* FAQ */
.faq-list { max-width: 800px; }
.faq-item { border-bottom: 1px solid var(--gray-100); }
.faq-q { width: 100%; text-align: left; background: none; border: none; padding: 1.1rem 0; font-family: var(--font); font-size: .95rem; font-weight: 600; color: var(--navy); cursor: pointer; display: flex; justify-content: space-between; align-items: center; gap: 1rem; }
.faq-q::after { content: "+"; font-size: 1.25rem; color: var(--gold); flex-shrink: 0; transition: transform .2s; }
.faq-q[aria-expanded="true"]::after { transform: rotate(45deg); }
.faq-a { display: none; padding: 0 0 1.25rem; }
.faq-a.open { display: block; }
.faq-a p { font-size: .875rem; line-height: 1.7; color: var(--gray-700); }

/* Footer */
.footer { background: var(--navy-light); color: rgba(255,255,255,.6); padding: 2.5rem 0; }
.footer__inner { display: flex; flex-direction: column; gap: 1rem; align-items: center; text-align: center; }
.footer__brand { display: flex; align-items: center; gap: .5rem; color: var(--white); font-weight: 700; font-size: 1rem; }
.footer__links { display: flex; gap: 1.5rem; flex-wrap: wrap; justify-content: center; font-size: .85rem; }
.footer__links a:hover { color: var(--white); }
.footer__legal { font-size: .72rem; line-height: 1.7; max-width: 640px; }
.footer__legal a { color: rgba(255,255,255,.5); text-decoration: underline; }

/* Form success state */
#form-success { display: none; padding: 2rem; text-align: center; }
#form-success h3 { color: var(--navy); margin-bottom: .5rem; }
#form-success p { color: var(--gray-600); font-size: .9rem; }