/* ─── TOKENS ─────────────────────────────────────────────── */
:root {
  --black:   #0a0a0a;
  --black2:  #111111;
  --card:    #1a1a1a;
  --card2:   #222222;
  --white:   #f5f5f5;
  --white2:  #ffffff;
  --muted:   #888888;
  --muted2:  #555555;
  --border:  rgba(255,255,255,0.08);
  --radius:  16px;
  --radius-sm: 10px;
  --font-display: 'Inter', system-ui, -apple-system, sans-serif;
}

/* ─── RESET ──────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-display);
  background: var(--black);
  color: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

/* ─── TYPOGRAPHY ─────────────────────────────────────────── */
.display-xl { font-size: clamp(3rem, 7vw, 7rem); font-weight: 800; line-height: 1; letter-spacing: -0.03em; }
.display-lg { font-size: clamp(2.2rem, 5vw, 4.8rem); font-weight: 800; line-height: 1.05; letter-spacing: -0.03em; }
.display-md { font-size: clamp(1.6rem, 3vw, 2.8rem); font-weight: 700; line-height: 1.1; letter-spacing: -0.02em; }
.display-sm { font-size: clamp(1.1rem, 2vw, 1.5rem); font-weight: 600; line-height: 1.2; }
.body-lg    { font-size: 1.1rem; line-height: 1.7; color: #aaaaaa; }
.body-md    { font-size: 0.95rem; line-height: 1.6; color: #999999; }
.label      { font-size: 0.72rem; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted); }

/* ─── LAYOUT ─────────────────────────────────────────────── */
.container  { max-width: 1200px; margin: 0 auto; padding: 0 2rem; }
.section    { padding: 100px 0; }
.section-sm { padding: 60px 0; }
.grid-2     { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; }
.grid-3     { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.grid-4     { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; }

/* ─── NAV ────────────────────────────────────────────────── */
nav {
  position: sticky; top: 0; z-index: 100;
  background: rgba(10,10,10,0.92);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  padding: 0 2rem;
}
.nav-inner {
  max-width: 1200px; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  height: 60px;
}
.nav-logo { font-size: 1rem; font-weight: 700; letter-spacing: -0.01em; }
.nav-links { display: flex; align-items: center; gap: 2rem; }
.nav-links a { font-size: 0.88rem; color: var(--muted); transition: color 0.2s; }
.nav-links a:hover { color: var(--white); }
.btn-nav {
  background: var(--white2); color: var(--black);
  padding: 8px 18px; border-radius: 100px;
  font-size: 0.88rem; font-weight: 600;
  transition: opacity 0.2s; display: flex; align-items: center; gap: 6px;
}
.btn-nav:hover { opacity: 0.85; }
.nav-toggle { display: none; background: none; border: none; color: var(--white); font-size: 1.5rem; cursor: pointer; }

/* ─── BUTTONS ────────────────────────────────────────────── */
.btn-primary {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--white2); color: var(--black);
  padding: 14px 28px; border-radius: 100px;
  font-size: 0.95rem; font-weight: 600;
  transition: opacity 0.2s; cursor: pointer; border: none;
}
.btn-primary:hover { opacity: 0.85; }
.btn-ghost {
  display: inline-flex; align-items: center; gap: 8px;
  background: transparent; color: var(--white);
  padding: 14px 28px; border-radius: 100px;
  font-size: 0.95rem; font-weight: 600;
  border: 1px solid rgba(255,255,255,0.2);
  transition: border-color 0.2s;
}
.btn-ghost:hover { border-color: rgba(255,255,255,0.5); }
.btn-group { display: flex; gap: 1rem; flex-wrap: wrap; margin-top: 2rem; }

/* ─── CARDS ──────────────────────────────────────────────── */
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
}
.card-dark {
  background: var(--black2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
}
.card-light {
  background: var(--white2); color: var(--black);
  border-radius: var(--radius);
  padding: 2rem;
}
.card-sm { padding: 1.25rem 1.5rem; }
.card h3 { font-size: 1rem; font-weight: 600; margin-bottom: 0.5rem; }
.card p  { font-size: 0.88rem; color: var(--muted); line-height: 1.5; }

/* ─── PILL / BADGE ───────────────────────────────────────── */
.pill {
  display: inline-flex; align-items: center; gap: 6px;
  border: 1px solid var(--border);
  border-radius: 100px; padding: 6px 14px;
  font-size: 0.78rem; font-weight: 500; color: var(--muted);
}
.pill::before { content: '•'; font-size: 0.6rem; }
.pill.active { background: var(--white2); color: var(--black); border-color: var(--white2); }

/* ─── HERO ───────────────────────────────────────────────── */
.hero {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 3rem; align-items: start;
  padding: 80px 0 100px;
}
.hero-left {}
.hero-right {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
}
.hero-right .label { margin-bottom: 1.5rem; }
.hero-outcomes { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin-top: 1rem; }
.outcome-card {
  background: var(--card2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 1.25rem;
  transition: border-color 0.2s, transform 0.2s, box-shadow 0.2s;
  cursor: default;
}
.outcome-card:hover {
  border-color: rgba(255,255,255,0.25);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.35);
}
.outcome-card.light { background: var(--white2); color: var(--black); }
.outcome-card h4 { font-size: 0.9rem; font-weight: 700; margin-bottom: 0.4rem; }
.outcome-card p  { font-size: 0.78rem; color: var(--muted); }
.outcome-card.light p { color: #666; }
.philosophy-card {
  background: var(--white2); color: var(--black);
  border-radius: var(--radius-sm);
  padding: 1.25rem; margin-top: 1rem;
}
.philosophy-card h4 { font-size: 0.88rem; font-weight: 700; margin-bottom: 0.3rem; }
.philosophy-card p  { font-size: 0.78rem; color: #555; }

/* ─── STATS ROW ──────────────────────────────────────────── */
.stats-row {
  display: grid; grid-template-columns: repeat(3,1fr);
  gap: 1rem; padding: 3rem 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.stat h3 { font-size: 2.8rem; font-weight: 800; letter-spacing: -0.04em; }
.stat p   { font-size: 0.88rem; color: var(--muted); margin-top: 0.3rem; }

/* ─── PROBLEM SECTION ────────────────────────────────────── */
.problem-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 4rem; align-items: start;
}
.problem-patterns { display: flex; flex-direction: column; gap: 1rem; }

/* ─── OFFER CARDS ────────────────────────────────────────── */
.offer-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; margin-top: 3rem; }
.offer-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem; display: flex; flex-direction: column;
}
.offer-card-tag { font-size: 0.72rem; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); margin-bottom: 1rem; }
.offer-card h3 { font-size: 1.3rem; font-weight: 700; margin-bottom: 0.75rem; letter-spacing: -0.01em; }
.offer-card p  { font-size: 0.88rem; color: var(--muted); line-height: 1.6; }
.offer-card-tags { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 1.25rem; }
.offer-tag { font-size: 0.72rem; color: var(--muted2); border-bottom: 1px solid var(--muted2); padding-bottom: 1px; }
.offer-link { margin-top: auto; padding-top: 1.5rem; font-size: 0.88rem; font-weight: 600; display: flex; align-items: center; gap: 6px; }
.offer-link:hover { opacity: 0.7; }

/* ─── WHY SAB ────────────────────────────────────────────── */
.why-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: start; }
.why-points { display: flex; flex-direction: column; gap: 1rem; margin-top: 2rem; }
.why-point {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 1rem 1.25rem;
  font-size: 0.9rem; display: flex; align-items: center; gap: 0.75rem;
}
.why-point-icon { font-size: 1rem; opacity: 0.6; }
.why-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.why-meta-row { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 1rem; margin-top: 1rem; }

/* ─── INSIGHTS ───────────────────────────────────────────── */
.insights-tabs { display: flex; gap: 1rem; margin-bottom: 2.5rem; }
.tab-btn {
  background: var(--card); border: 1px solid var(--border);
  border-radius: 100px; padding: 8px 18px;
  font-size: 0.85rem; font-weight: 500; color: var(--muted);
  cursor: pointer; transition: all 0.2s;
}
.tab-btn.active { background: var(--white2); color: var(--black); border-color: var(--white2); }
.insights-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 1.5rem; }
.insight-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem; display: flex; flex-direction: column;
  cursor: pointer; transition: border-color 0.2s;
}
.insight-card:hover { border-color: rgba(255,255,255,0.2); }
.insight-category { font-size: 0.72rem; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); margin-bottom: 1rem; }
.insight-card h3 { font-size: 1rem; font-weight: 700; line-height: 1.3; margin-bottom: 0.75rem; }
.insight-card p  { font-size: 0.85rem; color: var(--muted); line-height: 1.5; }
.insight-card-footer { margin-top: auto; padding-top: 1.25rem; display: flex; justify-content: space-between; align-items: center; }
.insight-read { font-size: 0.8rem; font-weight: 600; display: flex; align-items: center; gap: 4px; }

/* ─── FAQ ────────────────────────────────────────────────── */
.faq-list { display: flex; flex-direction: column; gap: 0; }
.faq-item {
  border-bottom: 1px solid var(--border);
  padding: 1.5rem 0; cursor: pointer;
}
.faq-question { display: flex; justify-content: space-between; align-items: center; font-size: 1rem; font-weight: 600; }
.faq-toggle { font-size: 1.2rem; color: var(--muted); transition: transform 0.3s; }
.faq-answer { font-size: 0.9rem; color: var(--muted); line-height: 1.7; max-height: 0; overflow: hidden; transition: max-height 0.4s ease, padding-top 0.3s; }
.faq-item.open .faq-answer { max-height: 400px; padding-top: 1rem; }
.faq-item.open .faq-toggle { transform: rotate(45deg); }

/* ─── CTA SECTION ────────────────────────────────────────── */
.cta-section {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 4rem; text-align: center;
  margin: 60px 0;
}

/* ─── FOOTER ─────────────────────────────────────────────── */
footer {
  border-top: 1px solid var(--border);
  padding: 2.5rem 0;
}
.footer-inner {
  max-width: 1200px; margin: 0 auto; padding: 0 2rem;
  display: flex; justify-content: space-between; align-items: center;
}
.footer-copy { font-size: 0.82rem; color: var(--muted); }
.footer-links { display: flex; gap: 1.5rem; }
.footer-links a { font-size: 0.82rem; color: var(--muted); transition: color 0.2s; }
.footer-links a:hover { color: var(--white); }

/* ─── DIVIDER ────────────────────────────────────────────── */
.divider { border: none; border-top: 1px solid var(--border); margin: 0; }

/* ─── WHITE SECTION ──────────────────────────────────────── */
.section-white { background: #fff; color: #0a0a0a; }
.section-white .body-lg { color: #555; }
.section-white .label   { color: #888; }

/* ─── TABLET (≤ 1024px) ──────────────────────────────────── */
@media (max-width: 1024px) {
  .grid-4        { grid-template-columns: repeat(2, 1fr); }
  .why-meta-row  { grid-template-columns: 1fr 1fr; }
  .hero          { padding: 60px 0 80px; }
  .why-grid,
  .problem-grid  { gap: 2.5rem; }
}

/* ─── TABLET (≤ 900px) ───────────────────────────────────── */
@media (max-width: 900px) {
  .container     { padding: 0 1.5rem; }

  /* Nav */
  .nav-links     { display: none; }
  .nav-links.open {
    display: flex; flex-direction: column;
    position: absolute; top: 60px; left: 0; right: 0;
    background: rgba(10,10,10,0.97);
    padding: 1.5rem 2rem; gap: 1.2rem; z-index: 99;
  }
  .nav-toggle    { display: block; }
  .btn-nav       { font-size: 0.8rem; padding: 7px 14px; }

  /* Layout */
  .hero          { grid-template-columns: 1fr; gap: 2.5rem; padding: 50px 0 60px; }
  .problem-grid,
  .why-grid,
  .offer-cards   { grid-template-columns: 1fr; gap: 2rem; }
  .hero-outcomes,
  .why-cards     { grid-template-columns: 1fr 1fr; }
  .why-meta-row  { grid-template-columns: 1fr 1fr; gap: 0.75rem; }
  .insights-grid { grid-template-columns: 1fr 1fr; }
  .grid-3        { grid-template-columns: 1fr 1fr; }
  .grid-4        { grid-template-columns: 1fr 1fr; }
  .stats-row     { grid-template-columns: 1fr 1fr; gap: 1.5rem; }

  /* Spacing */
  .section       { padding: 60px 0; }
  .section-sm    { padding: 40px 0; }
  .cta-section   { padding: 2.5rem 1.5rem; }

  /* Typography */
  .display-xl    { font-size: clamp(2.2rem, 8vw, 3.5rem); }

  /* Footer */
  .footer-inner  { flex-direction: column; gap: 1rem; text-align: center; }
  .footer-links  { flex-wrap: wrap; justify-content: center; }
}

/* ─── MOBILE (≤ 600px) ───────────────────────────────────── */
/* Truly different layout — not just collapsed columns        */
@media (max-width: 600px) {

  /* ── Container & page rhythm ── */
  .container     { padding: 0 1rem; }
  .section       { padding: 44px 0; }
  .section-sm    { padding: 28px 0; }

  /* ── Nav: logo + hamburger only — hide the CTA button ── */
  .btn-nav       { display: none; }

  /* ── Typography: own scale for small screens ── */
  .display-xl    { font-size: clamp(1.9rem, 9.5vw, 2.7rem); letter-spacing: -0.02em; line-height: 1.05; }
  .display-lg    { font-size: clamp(1.6rem, 7vw, 2.2rem); letter-spacing: -0.02em; }
  .display-md    { font-size: clamp(1.25rem, 5.5vw, 1.75rem); }
  .display-sm    { font-size: 1.1rem; }
  .body-lg       { font-size: 1rem; line-height: 1.65; }

  /* ── Hero: strip card wrapper from hero-right ── */
  .hero          { padding: 28px 0 36px; gap: 0; }
  .hero-right    {
    background: transparent;
    border: none;
    border-top: 1px solid var(--border);
    border-radius: 0;
    padding: 1.75rem 0 0;
    margin-top: 1.5rem;
  }
  .hero-outcomes { grid-template-columns: 1fr; gap: 0.6rem; }
  .outcome-card  { grid-column: auto !important; }

  /* ── Stats: vertical list with left accent line ── */
  .stats-row     {
    display: flex; flex-direction: column;
    gap: 0; padding: 0;
    border-top: 1px solid var(--border);
    border-bottom: none;
  }
  .stat          {
    padding: 1.1rem 1rem 1.1rem 1.25rem;
    border-left: 3px solid rgba(255,255,255,0.7);
    border-bottom: 1px solid var(--border);
  }
  .stat h3       { font-size: 2.2rem; letter-spacing: -0.04em; }
  .stat p        { font-size: 0.82rem; margin-top: 0.1rem; }

  /* ── All grids: single column ── */
  .grid-2,
  .grid-3,
  .grid-4        { grid-template-columns: 1fr; gap: 0.75rem; }
  .why-cards,
  .why-meta-row  { grid-template-columns: 1fr; gap: 0.75rem; }
  .insights-grid { grid-template-columns: 1fr; gap: 1rem; }

  /* ── Cards: flatter feel for mobile ── */
  .card          { padding: 1.2rem; border-radius: var(--radius-sm); }
  .card-sm       { padding: 1rem 1.1rem; }
  .offer-card    { padding: 1.2rem; }
  .cta-section   { padding: 2rem 1.25rem; margin: 24px 0; border-radius: var(--radius-sm); }

  /* ── Insights filter tabs: scrollable strip ── */
  .insights-tabs {
    overflow-x: auto; flex-wrap: nowrap;
    -ms-overflow-style: none; scrollbar-width: none;
    padding-bottom: 2px; gap: 0.5rem;
    margin-bottom: 1.5rem;
  }
  .insights-tabs::-webkit-scrollbar { display: none; }
  .tab-btn       { white-space: nowrap; flex-shrink: 0; padding: 6px 14px; font-size: 0.78rem; }

  /* ── Buttons: thumb-friendly, full-width ── */
  .btn-group     { flex-direction: column; gap: 0.75rem; }
  .btn-primary,
  .btn-ghost     { width: 100%; justify-content: center; min-height: 48px; font-size: 1rem; padding: 12px 24px; }

  /* ── Footer: links stack vertically ── */
  .footer-inner  { gap: 1.5rem; }
  .footer-links  { flex-direction: column; align-items: center; gap: 0.75rem; }
}