/* ═══════════════════════════════════════════════════════════════
   ZENTRAFOCUS — PRODUCT PAGE v2.0
   /products/focus-system/ — Full Sales Page System
   ═══════════════════════════════════════════════════════════════ */

/* ── PRODUCT LAYOUT ──────────────────────────────────────────── */
.product-layout {
  position: relative;
}

/* ── PRODUCT HERO ────────────────────────────────────────────── */
.product-hero {
  min-height: 92svh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: var(--sp-32) 0 var(--sp-20);
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--c-border);
}

.product-hero__bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.product-hero__glow {
  position: absolute;
  top: -10%;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 600px;
  background: radial-gradient(ellipse at center top, rgba(185,28,28,0.1) 0%, transparent 65%);
}

.product-hero__noise {
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.025'/%3E%3C/svg%3E");
  opacity: 0.4;
}

.product-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-12);
  align-items: center;
}

@media (min-width: 1024px) {
  .product-hero__inner {
    grid-template-columns: 1fr 400px;
    gap: var(--sp-16);
  }
}

.product-hero__content {}

.product-hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--c-red);
  margin-bottom: var(--sp-6);
}

.product-hero__eyebrow::before { content: '//'; }

.product-hero__title {
  font-size: var(--fs-hero);
  font-weight: 700;
  line-height: 0.92;
  letter-spacing: -0.03em;
  color: var(--c-white);
  margin-bottom: var(--sp-6);
}

.product-hero__title em {
  color: var(--c-red-2);
  font-style: normal;
  display: block;
}

.product-hero__sub {
  font-size: clamp(16px, 2vw, 19px);
  font-weight: 300;
  line-height: 1.75;
  color: var(--c-soft);
  max-width: 520px;
  margin-bottom: var(--sp-10);
}

.product-hero__meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--sp-5);
}

.product-hero__meta-item {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--c-muted);
}

.product-hero__meta-item::before {
  content: '●';
  color: var(--c-red);
  font-size: 6px;
}

/* Floating pricing card on hero */
.product-hero__card {
  position: relative;
}

.product-hero__card-inner {
  background: var(--c-card);
  border: 1px solid var(--c-border);
  border-radius: var(--r-xl);
  padding: var(--sp-8);
  position: sticky;
  top: calc(var(--nav-h) + var(--sp-6));
  overflow: hidden;
}

.product-hero__card-inner::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent 0%, var(--c-red) 40%, var(--c-red-2) 60%, transparent 100%);
}

.product-hero__card-inner::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at top center, rgba(185,28,28,0.04) 0%, transparent 70%);
  pointer-events: none;
}

/* ── PROBLEM NARRATIVE ───────────────────────────────────────── */
.problem-section {
  background: var(--c-surface);
  border-bottom: 1px solid var(--c-border);
  padding: var(--sp-24) 0;
}

.problem-section__inner {
  max-width: var(--max-w-md);
}

.problem-section__lead {
  font-size: clamp(22px, 4vw, 36px);
  font-weight: 300;
  line-height: 1.5;
  color: var(--c-light);
  margin-bottom: var(--sp-10);
  letter-spacing: -0.01em;
}

.problem-section__lead strong {
  color: var(--c-white);
  font-weight: 700;
}

.problem-pills {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2);
  margin: var(--sp-8) 0;
}

.problem-pill {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  padding: 6px 14px;
  border: 1px solid var(--c-border-2);
  border-radius: var(--r-full);
  color: var(--c-soft);
}

.problem-statement {
  font-size: clamp(16px, 2vw, 18px);
  font-weight: 300;
  line-height: 1.8;
  color: var(--c-soft);
  margin-bottom: var(--sp-6);
}

.problem-statement strong {
  color: var(--c-white);
  font-weight: 600;
}

/* ── OFFER STACK SECTION ─────────────────────────────────────── */
.offer-section {
  padding: var(--sp-24) 0;
  border-bottom: 1px solid var(--c-border);
}

.offer-section__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-6);
  align-items: start;
  margin-top: var(--sp-12);
}

@media (min-width: 1024px) {
  .offer-section__grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--sp-16);
  }
}

.offer-stack {
  background: var(--c-card);
  border: 1px solid var(--c-border);
  border-radius: var(--r-xl);
  overflow: hidden;
}

.offer-stack__header {
  background: rgba(185,28,28,0.06);
  border-bottom: 1px solid var(--c-border);
  padding: var(--sp-5) var(--sp-6);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--c-red-2);
}

.offer-stack__body { padding: var(--sp-4) var(--sp-6); }

/* ── MODULE BREAKDOWN ────────────────────────────────────────── */
.modules-section {
  padding: var(--sp-24) 0;
  border-bottom: 1px solid var(--c-border);
  background: var(--c-surface);
}

.modules-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-4);
  margin-top: var(--sp-12);
}

@media (min-width: 640px) {
  .modules-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1024px) {
  .modules-grid { grid-template-columns: repeat(3, 1fr); }
}

/* ── PRICING SECTION ─────────────────────────────────────────── */
.pricing-section {
  padding: var(--sp-24) 0;
  border-bottom: 1px solid var(--c-border);
  text-align: center;
}

.pricing-section__inner {
  max-width: 480px;
  margin: 0 auto;
}

/* ── STICKY PRICING (desktop) ────────────────────────────────── */
.sticky-price-bar {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  z-index: 500;
  background: rgba(6,6,6,0.95);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-top: 1px solid var(--c-border);
  padding: var(--sp-4) 0;
  transform: translateY(100%);
  transition: transform var(--t-slow) var(--ease-out);
}

.sticky-price-bar.visible {
  transform: translateY(0);
}

.sticky-price-bar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-6);
  flex-wrap: wrap;
}

.sticky-price-bar__name {
  font-weight: 600;
  color: var(--c-white);
}

.sticky-price-bar__price {
  font-size: var(--fs-xl);
  font-weight: 700;
  color: var(--c-white);
  letter-spacing: -0.02em;
}

.sticky-price-bar__right {
  display: flex;
  align-items: center;
  gap: var(--sp-5);
}

/* ── TRUST SIGNALS ───────────────────────────────────────────── */
.trust-section {
  padding: var(--sp-20) 0;
  border-bottom: 1px solid var(--c-border);
  background: var(--c-surface);
}

.trust-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--sp-6);
  margin-top: var(--sp-10);
}

@media (min-width: 640px) {
  .trust-grid { grid-template-columns: repeat(4, 1fr); }
}

.trust-signal {
  text-align: center;
  padding: var(--sp-5);
}

.trust-signal__icon {
  font-family: var(--font-mono);
  font-size: var(--fs-2xl);
  color: var(--c-red-2);
  margin-bottom: var(--sp-3);
  display: block;
  line-height: 1;
}

.trust-signal__title {
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--c-white);
  margin-bottom: 4px;
}

.trust-signal__desc {
  font-size: 11px;
  color: var(--c-muted);
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
}

/* ── FAQ SECTION ─────────────────────────────────────────────── */
.faq-section {
  padding: var(--sp-24) 0;
  border-bottom: 1px solid var(--c-border);
}

.faq-section__inner {
  max-width: var(--max-w-md);
  margin: 0 auto;
}

/* ── FINAL CTA ───────────────────────────────────────────────── */
.final-cta {
  padding: var(--sp-32) 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.final-cta::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, rgba(185,28,28,0.06) 0%, transparent 70%);
  pointer-events: none;
}

.final-cta__inner {
  position: relative;
  z-index: 1;
  max-width: 640px;
  margin: 0 auto;
}

.final-cta__title {
  font-size: var(--fs-4xl);
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.05;
  color: var(--c-white);
  margin-bottom: var(--sp-6);
}

.final-cta__title em {
  color: var(--c-red-2);
  font-style: normal;
}

.final-cta__sub {
  font-size: clamp(16px, 2vw, 18px);
  font-weight: 300;
  line-height: 1.7;
  color: var(--c-soft);
  margin-bottom: var(--sp-10);
}
