/* ============================================================
   Multi-Traffic Blueprint — Opt-in Landing Page
   learn.multitrafficblueprint.com
   Pure CSS3 · Mobile-first · Premium dark mode
   ============================================================ */

/* ---------- Design Tokens ---------- */
:root {
  --navy: #0a1128;
  --navy-2: #0d1730;
  --charcoal: #1a1a2e;
  --charcoal-2: #161625;
  --blue: #00BFFF;
  --blue-deep: #0094c6;
  --gold: #FFD700;
  --white: #FFFFFF;
  --gray: #E0E0E0;
  --gray-mut: #9aa4b8;
  --radius: 16px;
  --radius-sm: 10px;
  --maxw: 1160px;
  --shadow: 0 20px 50px rgba(0,0,0,.45);
  --shadow-blue: 0 10px 40px rgba(0,191,255,.25);
  --trans: .3s cubic-bezier(.4,0,.2,1);
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-head: 'Poppins', 'Inter', sans-serif;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-body);
  background: var(--navy);
  color: var(--gray);
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; height: auto; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 22px; }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(10,17,40,.85);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(0,191,255,.14);
}
.header-inner { display: flex; align-items: center; padding: 14px 22px; }
.brand { display: flex; align-items: center; gap: 12px; }
.brand-logo { border-radius: 8px; }
.brand-text { display: flex; flex-direction: column; line-height: 1.2; }
.brand-name {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 1.02rem;
  letter-spacing: .5px;
  color: var(--white);
}
.brand-sub { font-size: .72rem; color: var(--blue); letter-spacing: .3px; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  font-family: var(--font-head); font-weight: 700; font-size: 1rem;
  padding: 15px 30px; border-radius: 50px; border: none; cursor: pointer;
  transition: var(--trans); text-align: center;
}
.btn-primary {
  background: linear-gradient(135deg, var(--blue), var(--blue-deep));
  color: #041019; box-shadow: var(--shadow-blue);
}
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 14px 46px rgba(0,191,255,.45); }
.btn-lg { padding: 17px 40px; font-size: 1.08rem; }

/* ---------- Hero ---------- */
.hero { position: relative; padding: 60px 0 70px; overflow: hidden; }
.hero-glow {
  position: absolute; top: -160px; right: -120px; width: 620px; height: 620px;
  background: radial-gradient(circle, rgba(0,191,255,.20), transparent 62%);
  filter: blur(20px); pointer-events: none; z-index: 0;
}
.hero-inner {
  position: relative; z-index: 1;
  display: grid; grid-template-columns: 1.05fr .95fr; gap: 48px; align-items: center;
}
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(255,215,0,.12); color: var(--gold);
  border: 1px solid rgba(255,215,0,.32);
  font-size: .8rem; font-weight: 600; letter-spacing: .4px;
  padding: 8px 16px; border-radius: 50px; margin-bottom: 22px;
}
.hero-title {
  font-family: var(--font-head); font-weight: 800; color: var(--white);
  font-size: clamp(2rem, 5vw, 3.25rem); line-height: 1.1; margin-bottom: 20px;
}
.grad {
  background: linear-gradient(120deg, var(--blue), var(--gold));
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.hero-text { font-size: 1.06rem; color: var(--gray); margin-bottom: 26px; max-width: 560px; }
.hero-benefits { display: flex; flex-direction: column; gap: 14px; }
.hero-benefits li { display: flex; align-items: flex-start; gap: 12px; font-size: 1.02rem; color: var(--white); }
.hero-benefits i { color: var(--blue); font-size: 1.15rem; margin-top: 3px; }

/* ---------- Form Card ---------- */
.hero-form-wrap, .final-form-wrap { position: relative; z-index: 1; }
.form-card {
  background: linear-gradient(160deg, var(--charcoal), var(--charcoal-2));
  border: 1px solid rgba(0,191,255,.28);
  border-radius: var(--radius);
  padding: 30px 28px;
  box-shadow: var(--shadow), 0 0 0 1px rgba(255,255,255,.02) inset;
}
.form-card-head { display: flex; align-items: center; gap: 16px; margin-bottom: 22px; }
.form-cover {
  width: 70px; border-radius: 8px; box-shadow: 0 8px 20px rgba(0,0,0,.5);
  border: 1px solid rgba(255,255,255,.08);
}
.form-title { font-family: var(--font-head); font-weight: 700; color: var(--white); font-size: 1.4rem; }
.form-title.center { text-align: center; margin-bottom: 18px; }
.form-subtitle { font-size: .92rem; color: var(--gray-mut); }

/* Kit form container — high-contrast focus area */
.kit-form-container {
  min-height: 120px;
  padding: 6px 0;
  display: flex; flex-direction: column; justify-content: center;
}
/* Style injected Kit inputs/buttons to match theme where possible */
.kit-form-container input[type="text"],
.kit-form-container input[type="email"] {
  width: 100% !important;
  border-radius: var(--radius-sm) !important;
  border: 1px solid rgba(255,255,255,.16) !important;
  padding: 14px 16px !important;
  font-family: var(--font-body) !important;
  font-size: 1rem !important;
}
.kit-form-container button {
  border-radius: 50px !important;
  font-family: var(--font-head) !important;
  font-weight: 700 !important;
  cursor: pointer !important;
}

.trust-line {
  margin-top: 18px; font-size: .82rem; color: var(--gray-mut);
  display: flex; align-items: center; gap: 8px;
}
.trust-line.center { justify-content: center; }
.trust-line i { color: var(--gold); }

/* ---------- Sections ---------- */
.section { padding: 60px 0; }
.section-head { text-align: center; max-width: 640px; margin: 0 auto 44px; }
.kicker {
  display: inline-block; color: var(--blue); font-weight: 600;
  font-size: .82rem; letter-spacing: 1.5px; text-transform: uppercase; margin-bottom: 12px;
}
.section-title {
  font-family: var(--font-head); font-weight: 700; color: var(--white);
  font-size: clamp(1.6rem, 3.6vw, 2.4rem); line-height: 1.2;
}

/* ---------- Benefit Cards ---------- */
.benefits { background: linear-gradient(180deg, var(--navy), var(--navy-2)); }
.cards-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.glass-card {
  background: rgba(255,255,255,.03);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: var(--radius); padding: 34px 28px;
  transition: var(--trans); backdrop-filter: blur(6px);
}
.glass-card:hover {
  transform: translateY(-6px);
  border-color: rgba(0,191,255,.4);
  box-shadow: var(--shadow-blue);
}
.card-icon {
  width: 58px; height: 58px; border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  background: rgba(0,191,255,.14); color: var(--blue);
  font-size: 1.5rem; margin-bottom: 20px;
}
.card-icon.gold { background: rgba(255,215,0,.14); color: var(--gold); }
.glass-card h3 { font-family: var(--font-head); color: var(--white); font-size: 1.22rem; margin-bottom: 12px; }
.glass-card p { color: var(--gray-mut); font-size: .98rem; }

/* ---------- How It Works ---------- */
.how { background: var(--navy); }
.steps-3 {
  display: grid; grid-template-columns: 1fr auto 1fr auto 1fr;
  gap: 10px; align-items: stretch;
}
.step {
  text-align: center; padding: 44px 24px 30px; position: relative;
  background: rgba(255,255,255,.02); border: 1px solid rgba(255,255,255,.07);
  border-radius: var(--radius);
}
.step-num {
  position: absolute; top: -20px; left: 50%; transform: translateX(-50%);
  width: 44px; height: 44px; border-radius: 50%;
  background: linear-gradient(135deg, var(--blue), var(--blue-deep));
  color: #041019; font-family: var(--font-head); font-weight: 800; font-size: 1.15rem;
  display: flex; align-items: center; justify-content: center;
  box-shadow: var(--shadow-blue); border: 3px solid var(--navy);
}
.step-icon { color: var(--gold); font-size: 2rem; margin: 6px 0 16px; line-height: 1; }
.step h3 { font-family: var(--font-head); color: var(--white); font-size: 1.2rem; margin-bottom: 10px; }
.step p { color: var(--gray-mut); font-size: .95rem; }
.step-connector {
  align-self: center; width: 40px; height: 2px;
  background: linear-gradient(90deg, var(--blue), transparent);
}

/* ---------- Final CTA ---------- */
.final-cta {
  position: relative; overflow: hidden;
  background: linear-gradient(160deg, var(--charcoal), var(--navy));
}
.cta-glow {
  position: absolute; bottom: -180px; left: -100px; width: 560px; height: 560px;
  background: radial-gradient(circle, rgba(255,215,0,.14), transparent 62%);
  filter: blur(20px); pointer-events: none;
}
.final-inner {
  position: relative; z-index: 1;
  display: flex; flex-direction: column; align-items: center; text-align: center;
}
.final-copy { max-width: 680px; }
.final-text { font-size: 1.08rem; color: var(--gray); margin: 18px auto 30px; max-width: 560px; }
.final-trust { margin-top: 20px; }

/* ---------- Footer ---------- */
.site-footer {
  background: #060b1c; border-top: 1px solid rgba(0,191,255,.14);
  padding: 46px 0 30px; text-align: center;
}
.footer-brand {
  display: flex; align-items: center; justify-content: center; gap: 12px;
  font-family: var(--font-head); font-weight: 800; color: var(--white);
  letter-spacing: .5px; margin-bottom: 20px;
}
.footer-links {
  display: flex; justify-content: center; flex-wrap: wrap; gap: 26px; margin-bottom: 22px;
}
.footer-links a { color: var(--gray-mut); font-size: .92rem; transition: var(--trans); }
.footer-links a:hover { color: var(--blue); }
.footer-disclaimer {
  max-width: 720px; margin: 0 auto 18px; font-size: .8rem; color: var(--gray-mut); line-height: 1.6;
}
.footer-copy { font-size: .85rem; color: var(--gray-mut); }

/* ---------- Form Focus Pulse (triggered by CTA scroll) ---------- */
.form-card.focus-pulse {
  animation: pulseGlow 1.4s ease;
}
@keyframes pulseGlow {
  0%   { box-shadow: var(--shadow); }
  40%  { box-shadow: 0 0 0 3px rgba(0,191,255,.55), 0 0 46px rgba(0,191,255,.5); }
  100% { box-shadow: var(--shadow); }
}

/* ---------- Scroll Reveal ---------- */
.reveal { opacity: 0; transform: translateY(30px); transition: opacity .7s ease, transform .7s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ---------- Responsive ---------- */
@media (max-width: 940px) {
  .hero-inner, .final-inner { grid-template-columns: 1fr; gap: 40px; }
  .hero { padding: 44px 0 56px; }
  .hero-copy { text-align: left; }
  .cards-3 { grid-template-columns: 1fr; max-width: 460px; margin: 0 auto; }
  .steps-3 { grid-template-columns: 1fr; gap: 34px; }
  .step-connector { display: none; }
  .final-copy { text-align: center; }
  .final-text { margin-left: auto; margin-right: auto; }
}
@media (max-width: 560px) {
  .brand-name { font-size: .88rem; }
  .brand-sub { font-size: .66rem; }
  .section { padding: 58px 0; }
  .form-card { padding: 24px 20px; }
  .form-card-head { flex-direction: row; }
  .btn-lg { width: 100%; }
}

/* ---------- Reduced Motion ---------- */
@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
  .reveal { opacity: 1; transform: none; }
}