/* ═══════════════════════════════════════════════════════════════
   FocusChain Labs — premium, minimal, animated
   Original design language: cream paper · navy ink · green spark
   ═══════════════════════════════════════════════════════════════ */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  /* Base */
  --paper:        #F7F3EC;        /* warm cream */
  --paper-2:      #EFEAE0;        /* deeper paper */
  --paper-3:      #E7E1D5;        /* divider */
  --ink:          #0E2138;        /* navy ink — body */
  --ink-2:        #1B3A5F;        /* navy — bold */
  --ink-3:        #43526A;        /* secondary text */
  --ink-4:        #7A8493;        /* tertiary */
  --line:         rgba(20, 60, 92, 0.10);
  --line-2:       rgba(20, 60, 92, 0.18);

  /* Brand — extracted from FocusChain logo */
  --navy:         #143C5C;
  --navy-deep:    #0B233A;
  --green:        #1FA565;
  --green-deep:   #16804B;
  --green-soft:   #C9E9D8;
  --navy-soft:    #DCE4EE;

  /* Type */
  --display:      'Inter Tight', 'Inter', system-ui, sans-serif;
  --body:         'Inter', system-ui, sans-serif;
  --mono:         'JetBrains Mono', ui-monospace, monospace;

  /* Curves */
  --r-sm: 4px;
  --r:    10px;
  --r-lg: 18px;

  /* Motion */
  --ease: cubic-bezier(.22, 1, .36, 1);
}

html { scroll-behavior: smooth; }

body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--body);
  font-size: 15px;
  line-height: 1.7;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

/* paper grain */
body::before {
  content: '';
  position: fixed; inset: 0; pointer-events: none; z-index: 9999;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='220' height='220'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.95' numOctaves='2' stitchTiles='stitch'/></filter><rect width='100%25' height='100%25' filter='url(%23n)' opacity='0.10'/></svg>");
  mix-blend-mode: multiply;
  opacity: 0.5;
}

a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: 0; background: none; color: inherit; }

em { font-style: italic; color: var(--green-deep); font-weight: 500; }

/* ═══════════════════════════════════════════ NAV ═══════════════════════════════════════════ */

.nav {
  position: sticky; top: 0; z-index: 100;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 32px;
  padding: 14px 36px;
  background: rgba(247, 243, 236, 0.85);
  backdrop-filter: saturate(140%) blur(14px);
  -webkit-backdrop-filter: saturate(140%) blur(14px);
  border-bottom: 1px solid var(--line);
}

.brand {
  display: flex; align-items: center; gap: 10px;
}
.brand-mark { display: inline-flex; }
.brand-mark-hidden { display: none !important; }
.brand-logo {
  height: 44px;
  width: auto;
  display: block;
  mix-blend-mode: multiply;
  filter: contrast(1.05);
}
.brand-logo + .brand-mark-hidden + .brand-words,
.brand-logo ~ .brand-words { display: none; }
.brand:has(.brand-logo) .brand-words { display: none; }
.footer-brand:has(.footer-logo) .footer-brand-text { display: none; }
.nav-cta .btn { white-space: nowrap; }
.btn { white-space: nowrap; }
@media (max-width: 1100px) {
  .brand-logo { height: 36px; }
}
@media (max-width: 760px) {
  .brand-logo { height: 30px; }
}
.brand-words { display: flex; flex-direction: column; line-height: 1.0; }
.brand-name {
  font-family: var(--display);
  font-weight: 700;
  font-size: 16px;
  color: var(--navy);
  letter-spacing: -0.015em;
}
.brand-name-alt { color: var(--green-deep); }
.brand-tag {
  margin-top: 3px;
  font-size: 9.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-4);
  font-weight: 500;
}

.nav-tabs {
  position: relative;
  justify-self: center;
  display: flex;
  gap: 4px;
  padding: 4px;
  background: var(--paper-2);
  border: 1px solid var(--line);
  border-radius: 999px;
}
.tab-btn {
  position: relative;
  padding: 8px 18px;
  font-size: 13px;
  font-weight: 500;
  color: var(--ink-3);
  letter-spacing: -0.005em;
  border-radius: 999px;
  transition: color 0.25s var(--ease);
  z-index: 2;
  white-space: nowrap;
}
.tab-btn:hover { color: var(--navy); }
.tab-btn.is-active { color: var(--paper); }
.tab-indicator {
  position: absolute;
  top: 4px; bottom: 4px;
  width: 0; left: 0;
  background: var(--navy);
  border-radius: 999px;
  z-index: 1;
  transition: transform 0.35s var(--ease), width 0.35s var(--ease);
  box-shadow: 0 6px 18px -8px rgba(20, 60, 92, 0.55);
}

.nav-cta { justify-self: end; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 18px;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: -0.005em;
  border-radius: 999px;
  transition: transform 0.25s var(--ease), background 0.2s, color 0.2s, border-color 0.2s;
}
.btn-primary {
  background: var(--navy);
  color: var(--paper);
  box-shadow: 0 8px 22px -10px rgba(20, 60, 92, 0.55);
}
.btn-primary:hover { background: var(--navy-deep); transform: translateY(-1px); }
.btn-ghost {
  background: transparent;
  color: var(--ink-2);
  border: 1px solid var(--line-2);
}
.btn-ghost:hover { border-color: var(--navy); color: var(--navy); }
.btn-lg { padding: 14px 26px; font-size: 14px; }
.btn-sm { padding: 8px 14px; font-size: 12px; }
.btn-arrow { display: inline-block; transition: transform 0.25s var(--ease); }
.btn:hover .btn-arrow { transform: translateX(3px); }

/* ═══════════════════════════════════════════ TABS ═══════════════════════════════════════════ */

.tab-panel {
  display: none;
  animation: panelFade 0.5s var(--ease);
}
.tab-panel.is-active { display: block; }

@keyframes panelFade {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: none; }
}

/* ═══════════════════════════════════════════ LAYOUT ═══════════════════════════════════════════ */

.container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 36px;
}
.container-narrow { max-width: 920px; }

.section {
  padding: 130px 0;
  position: relative;
}

.section-eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--green-deep);
  margin-bottom: 22px;
}
.section-eyebrow::before {
  content: '';
  width: 22px; height: 1px; background: var(--green);
}

/* ═══════════════════════════════════════════ TYPOGRAPHY ═══════════════════════════════════════════ */

.display {
  font-family: var(--display);
  font-weight: 500;
  font-size: clamp(48px, 7vw, 96px);
  line-height: 0.98;
  letter-spacing: -0.035em;
  color: var(--navy-deep);
  margin-bottom: 28px;
}
.display-accent {
  display: block;
  color: var(--green-deep);
  font-style: italic;
  font-weight: 400;
}

.h-display {
  font-family: var(--display);
  font-weight: 500;
  font-size: clamp(34px, 4.4vw, 60px);
  line-height: 1.04;
  letter-spacing: -0.03em;
  color: var(--navy-deep);
  margin-bottom: 22px;
}
.h-display-lg { font-size: clamp(40px, 5.4vw, 72px); }
.h-display-xl { font-size: clamp(56px, 8vw, 110px); }
.h-display-cta { font-size: clamp(36px, 4.8vw, 68px); }

.ink-fade { color: var(--ink-3); font-weight: 400; }
.ink-accent { color: var(--green-deep); font-style: italic; font-weight: 400; }

.lede {
  font-size: 19px;
  line-height: 1.55;
  font-weight: 400;
  color: var(--ink-3);
  max-width: 620px;
  letter-spacing: -0.005em;
}
.lede-tight { font-size: 17px; }
.lede em { color: var(--green-deep); font-style: italic; }

/* ═══════════════════════════════════════════ HERO (TAB 1) ═══════════════════════════════════════════ */

.hero {
  position: relative;
  padding: 70px 36px 100px;
  min-height: calc(100vh - 70px);
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 60px;
  align-items: center;
  max-width: 1320px;
  margin: 0 auto;
  overflow: hidden;
}

.hero-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(to right, rgba(20,60,92,0.05) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(20,60,92,0.05) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 70% 60% at 60% 50%, black, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 60% 50%, black, transparent 75%);
  pointer-events: none;
}

.hero-inner { position: relative; z-index: 2; }

.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 6px 14px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-3);
  background: var(--paper-2);
  border: 1px solid var(--line);
  border-radius: 999px;
  margin-bottom: 32px;
}
.eyebrow-dot {
  width: 6px; height: 6px; background: var(--green); border-radius: 50%;
  box-shadow: 0 0 0 4px rgba(31, 165, 101, 0.18);
  animation: pulse 2.5s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 4px rgba(31, 165, 101, 0.18); }
  50%      { box-shadow: 0 0 0 8px rgba(31, 165, 101, 0.05); }
}

.hero-actions {
  margin-top: 44px;
  display: flex; gap: 12px; flex-wrap: wrap;
}

.hero-meta {
  margin-top: 72px;
  display: flex; align-items: center; gap: 30px;
  padding-top: 28px;
  border-top: 1px solid var(--line);
  max-width: 540px;
}
.hero-meta-item { display: flex; flex-direction: column; }
.hero-meta-item .num {
  font-family: var(--display);
  font-size: 28px;
  font-weight: 500;
  color: var(--navy-deep);
  letter-spacing: -0.025em;
  line-height: 1;
}
.hero-meta-item .lbl {
  margin-top: 6px;
  font-size: 11px;
  letter-spacing: 0.10em;
  text-transform: uppercase;
  color: var(--ink-4);
}
.hero-meta-divider {
  width: 1px; height: 36px; background: var(--line-2);
}

/* hero hexagons */
.hero-mark {
  position: relative;
  width: 100%; height: 100%;
  min-height: 480px;
  --mx: 0; --my: 0;
}
.hero-mark svg {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  filter: drop-shadow(0 30px 60px rgba(20, 60, 92, 0.12));
}
.hex-float {
  transform-origin: 140px 130px;
  animation: floatA 9s ease-in-out infinite;
  transform: translate(calc(var(--mx) * 14px), calc(var(--my) * 14px));
}
.hex-float-b {
  animation: floatB 11s ease-in-out infinite;
  transform: translate(70px, 200px) translate(calc(var(--mx) * -14px), calc(var(--my) * -10px));
}
@keyframes floatA {
  0%, 100% { translate: 0 0; }
  50%      { translate: 0 -10px; }
}
@keyframes floatB {
  0%, 100% { translate: 0 0; }
  50%      { translate: 0 10px; }
}
.orbit-dot { animation: orbitPulse 3s ease-in-out infinite; }
.orbit-dot-2 { animation-delay: 1s; }
@keyframes orbitPulse {
  0%, 100% { opacity: 0.6; r: 3; }
  50%      { opacity: 1; r: 5; }
}

.footer-logo {
  height: 56px;
  width: auto;
  mix-blend-mode: multiply;
  filter: contrast(1.05);
}
.footer-brand-text { display: flex; flex-direction: column; }

/* ═══════════════════════════════════════════ RIBBON ═══════════════════════════════════════════ */
.ribbon {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--paper-2);
  padding: 22px 0;
}
.ribbon-inner {
  max-width: 1320px;
  margin: 0 auto;
  padding: 0 36px;
  display: flex; align-items: center; gap: 36px;
  flex-wrap: wrap;
}
.ribbon-label {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-4);
}
.ribbon-item {
  font-family: var(--display);
  font-size: 16px;
  font-weight: 500;
  color: var(--ink-3);
  letter-spacing: -0.01em;
  position: relative;
}
.ribbon-item + .ribbon-item::before {
  content: '·';
  margin-right: 36px;
  color: var(--ink-4);
}

/* ═══════════════════════════════════════════ PROBLEM ═══════════════════════════════════════════ */
.section-problem .h-display em { color: var(--green-deep); }
.section-problem .h-display { margin-bottom: 36px; }

.problem-grid {
  margin-top: 60px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
}
.problem-card {
  background: var(--paper);
  padding: 36px 32px;
  transition: background 0.3s var(--ease);
}
.problem-card:hover { background: var(--paper-2); }
.problem-card-num {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--green-deep);
  margin-bottom: 28px;
}
.problem-card-title {
  font-family: var(--display);
  font-size: 22px;
  font-weight: 500;
  color: var(--navy-deep);
  letter-spacing: -0.015em;
  line-height: 1.2;
  margin-bottom: 12px;
}
.problem-card-body {
  font-size: 14.5px;
  color: var(--ink-3);
  line-height: 1.65;
}

/* ═══════════════════════════════════════════ PILLARS ═══════════════════════════════════════════ */
.section-pillars {
  background: linear-gradient(180deg, var(--paper) 0%, var(--paper-2) 100%);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.pillars-head {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 60px;
  margin-bottom: 80px;
  align-items: end;
}

.pillar-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.pillar {
  position: relative;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 36px 32px;
  display: flex; flex-direction: column;
  transition: transform 0.4s var(--ease), border-color 0.3s, box-shadow 0.3s;
  overflow: hidden;
}
.pillar::before {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(31,165,101,0.0), rgba(31,165,101,0.04));
  opacity: 0; transition: opacity 0.4s var(--ease);
  pointer-events: none;
}
.pillar:hover {
  transform: translateY(-4px);
  border-color: var(--navy-soft);
  box-shadow: 0 30px 60px -30px rgba(20, 60, 92, 0.18);
}
.pillar:hover::before { opacity: 1; }

.pillar-num {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--green-deep);
  margin-bottom: 28px;
}
.pillar-mark {
  width: 56px; height: 56px;
  border-radius: 14px;
  background: var(--paper-2);
  border: 1px solid var(--line);
  display: grid; place-items: center;
  margin-bottom: 28px;
}
.pillar-title {
  font-family: var(--display);
  font-size: 26px;
  font-weight: 500;
  color: var(--navy-deep);
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin-bottom: 14px;
}
.pillar-body {
  font-size: 14.5px;
  color: var(--ink-3);
  line-height: 1.65;
  margin-bottom: 24px;
}
.pillar-list {
  list-style: none;
  display: flex; flex-direction: column; gap: 8px;
  padding: 20px 0 28px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  margin-bottom: 28px;
}
.pillar-list li {
  font-size: 13px;
  color: var(--ink-2);
  display: flex; align-items: flex-start; gap: 10px;
  font-weight: 500;
}
.pillar-list li::before {
  content: '';
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--green);
  margin-top: 7px;
  flex-shrink: 0;
}
.pillar-cta {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--display);
  font-size: 14px;
  font-weight: 500;
  color: var(--navy);
  margin-top: auto;
  align-self: flex-start;
  letter-spacing: -0.01em;
}
.pillar-cta span { transition: transform 0.25s var(--ease); }
.pillar-cta:hover span { transform: translateX(4px); }

/* ═══════════════════════════════════════════ PROCESS ═══════════════════════════════════════════ */
.process-head { margin-bottom: 80px; max-width: 720px; }

.process-steps {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  position: relative;
}
.process-steps::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: var(--line-2);
}
.proc-step {
  padding: 36px 28px 0 0;
  position: relative;
}
.proc-step::before {
  content: '';
  position: absolute;
  top: -5px; left: 0;
  width: 9px; height: 9px;
  border-radius: 50%;
  background: var(--paper);
  border: 2px solid var(--green);
}
.proc-week {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-4);
  margin-bottom: 18px;
}
.proc-title {
  font-family: var(--display);
  font-size: 24px;
  font-weight: 500;
  color: var(--navy-deep);
  letter-spacing: -0.018em;
  margin-bottom: 12px;
}
.proc-body {
  font-size: 14.5px;
  color: var(--ink-3);
  line-height: 1.65;
}

/* ═══════════════════════════════════════════ DIFFERENTIATORS ═══════════════════════════════════════════ */
.section-diff {
  background: var(--paper);
}
.section-diff .h-display { margin-bottom: 80px; }

.diff-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 60px 80px;
}
.diff-item {
  padding-top: 28px;
  position: relative;
}
.diff-rule {
  position: absolute;
  top: 0; left: 0; width: 60px; height: 2px;
  background: var(--green);
}
.diff-title {
  font-family: var(--display);
  font-size: 22px;
  font-weight: 500;
  color: var(--navy-deep);
  letter-spacing: -0.015em;
  margin-bottom: 12px;
}
.diff-body {
  font-size: 15px;
  color: var(--ink-3);
  line-height: 1.65;
}

/* ═══════════════════════════════════════════ CTA CARD ═══════════════════════════════════════════ */
.section-cta { padding: 100px 0 140px; }
.cta-card {
  background: var(--navy-deep);
  color: var(--paper);
  padding: 80px 64px;
  border-radius: 28px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-card .section-eyebrow { color: var(--green); }
.cta-card .section-eyebrow::before { background: var(--green); }
.cta-card .h-display { color: var(--paper); }
.cta-card .lede { color: rgba(247, 243, 236, 0.72); margin-left: auto; margin-right: auto; }
.cta-card::before {
  content: '';
  position: absolute;
  inset: -2px;
  background: radial-gradient(ellipse 60% 80% at 30% 0%, rgba(31, 165, 101, 0.18), transparent 60%),
              radial-gradient(ellipse 60% 80% at 80% 100%, rgba(31, 165, 101, 0.10), transparent 60%);
  pointer-events: none;
}
.cta-card > * { position: relative; }
.cta-actions {
  margin-top: 48px;
  display: flex; gap: 14px; justify-content: center; flex-wrap: wrap;
}
.cta-card .btn-ghost {
  border-color: rgba(247, 243, 236, 0.18);
  color: rgba(247, 243, 236, 0.85);
}
.cta-card .btn-ghost:hover {
  border-color: rgba(247, 243, 236, 0.5);
  color: var(--paper);
}

/* ═══════════════════════════════════════════ TAB 2 — PLAYGROUND ═══════════════════════════════════════════ */

.pg-hero {
  padding: 70px 0 60px;
  background: linear-gradient(180deg, var(--paper-2) 0%, var(--paper) 100%);
  border-bottom: 1px solid var(--line);
}
.pg-hero-row {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 60px;
  align-items: end;
}
.pg-hero-text .h-display { margin-bottom: 24px; }

.pg-hero-meta {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
.pg-meta-card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 22px 22px;
}
.pg-meta-num {
  font-family: var(--display);
  font-size: 30px;
  font-weight: 600;
  color: var(--navy-deep);
  letter-spacing: -0.025em;
  line-height: 1;
}
.pg-meta-lbl {
  margin-top: 10px;
  font-size: 12px;
  color: var(--ink-3);
  letter-spacing: -0.005em;
}

/* The science strip */
.science-strip {
  background: var(--navy-deep);
  color: var(--paper);
  padding: 60px 0;
  position: relative;
  overflow: hidden;
}
.science-strip::before {
  content: '';
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 50% 60% at 0% 0%, rgba(31, 165, 101, 0.10), transparent 60%),
    radial-gradient(ellipse 50% 60% at 100% 100%, rgba(31, 165, 101, 0.06), transparent 60%);
  pointer-events: none;
}
.science-strip .container { position: relative; }
.science-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 36px;
}
.science-tag {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--green);
  margin-bottom: 14px;
}
.science-body {
  font-family: var(--display);
  font-size: 16px;
  font-weight: 400;
  line-height: 1.5;
  color: rgba(247, 243, 236, 0.86);
  letter-spacing: -0.005em;
}

/* The playground demo shell */
.playground-shell { padding: 100px 36px 60px; }

/* ═══════════════════════════════════════════ Loop ═══════════════════════════════════════════ */
.section-loop { background: var(--paper); padding-top: 100px; }
.section-loop .h-display { margin-bottom: 64px; }
.loop-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 22px;
}
.loop-card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 40px 36px;
  transition: border-color 0.25s, transform 0.25s var(--ease);
}
.loop-card:hover { border-color: var(--green); transform: translateY(-2px); }
.loop-step {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--green-deep);
  margin-bottom: 18px;
  text-transform: uppercase;
}
.loop-title {
  font-family: var(--display);
  font-size: 24px;
  font-weight: 500;
  color: var(--navy-deep);
  letter-spacing: -0.018em;
  margin-bottom: 12px;
  line-height: 1.2;
}
.loop-body {
  font-size: 15px;
  color: var(--ink-3);
  line-height: 1.65;
}
.cta-card-pg .h-display { max-width: 700px; margin-left: auto; margin-right: auto; }

/* ═══════════════════════════════════════════ TAB 3 — PERFORMANCE MARKETING ═══════════════════════════════════════════ */

.pm-hero {
  padding: 80px 0 90px;
  background: linear-gradient(180deg, var(--paper-2), var(--paper));
  border-bottom: 1px solid var(--line);
}
.pm-hero .h-display-xl { margin-bottom: 28px; }
.pm-hero .lede { font-size: 22px; max-width: 760px; }

/* Funnel */
.funnel-head { max-width: 760px; margin-bottom: 60px; }
.funnel {
  display: flex; flex-direction: column;
  align-items: center;
  gap: 4px;
  max-width: 980px;
  margin: 0 auto;
}
.funnel-layer {
  position: relative;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 28px;
  align-items: center;
  padding: 26px 36px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 14px;
  transition: all 0.3s var(--ease);
  overflow: hidden;
}
/* Trapezoid widths so it actually looks funnel-y */
.fl-1 { width: 100%; }
.fl-2 { width: 90%; }
.fl-3 { width: 78%; }
.fl-4 { width: 64%; }
.fl-5 { width: 48%; }

.funnel-layer:hover {
  border-color: var(--green);
  transform: translateY(-1px);
  box-shadow: 0 18px 40px -22px rgba(20, 60, 92, 0.18);
}
.funnel-layer::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 3px;
  background: var(--green);
  transform: scaleY(0);
  transform-origin: bottom;
  transition: transform 0.3s var(--ease);
}
.funnel-layer:hover::before { transform: scaleY(1); }

.fl-label {
  display: flex; align-items: center; gap: 16px;
}
.fl-num {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--green-deep);
  padding: 4px 10px;
  background: var(--green-soft);
  border-radius: 6px;
  flex-shrink: 0;
}
.fl-name {
  font-family: var(--display);
  font-size: 18px;
  font-weight: 500;
  color: var(--navy-deep);
  letter-spacing: -0.012em;
}
.fl-detail {
  display: none;
  font-size: 13.5px;
  color: var(--ink-3);
  line-height: 1.55;
  grid-column: 1 / -1;
  border-top: 1px solid var(--line);
  padding-top: 14px;
  margin-top: 10px;
  width: 100%;
}
.funnel-layer:hover .fl-detail { display: block; }
.fl-stat {
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 500;
  color: var(--green-deep);
  letter-spacing: -0.005em;
  white-space: nowrap;
}

/* Budget */
.section-budget { background: var(--paper-2); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.budget-head {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 60px;
  margin-bottom: 60px;
  align-items: end;
}
.budget-legend {
  display: flex; gap: 28px; justify-self: end;
}
.lg-item {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 13px;
  color: var(--ink-3);
  font-weight: 500;
}
.dot { width: 12px; height: 12px; border-radius: 3px; display: inline-block; }
.dot-before { background: var(--ink-4); }
.dot-after { background: var(--green); }

.budget-bars {
  display: flex; flex-direction: column; gap: 28px;
  max-width: 880px;
}
.bar-row {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 32px;
  align-items: center;
}
.bar-label {
  font-family: var(--display);
  font-size: 16px;
  font-weight: 500;
  color: var(--navy-deep);
  letter-spacing: -0.012em;
}
.bars { display: flex; flex-direction: column; gap: 8px; }
.bar {
  height: 38px;
  border-radius: 6px;
  display: flex; align-items: center;
  padding: 0 14px;
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 500;
  color: var(--paper);
  width: var(--w);
  min-width: 60px;
  transition: width 1.4s var(--ease);
}
.bar-before { background: var(--ink-4); }
.bar-after { background: var(--green); }
.bar.in { /* width set inline */ }
.footnote {
  margin-top: 28px;
  font-size: 12.5px;
  color: var(--ink-4);
  font-family: var(--mono);
  letter-spacing: 0.02em;
}

/* Filter flow */
.filter-head { margin-bottom: 60px; max-width: 720px; }
.filter-flow {
  display: flex;
  align-items: stretch;
  gap: 14px;
  flex-wrap: wrap;
}
.filter-step {
  flex: 1 1 0;
  min-width: 180px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 26px 22px;
  transition: border-color 0.25s, transform 0.25s var(--ease);
}
.filter-step:hover { border-color: var(--green); transform: translateY(-2px); }
.fs-num {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--green-deep);
  letter-spacing: 0.16em;
  margin-bottom: 16px;
}
.fs-title {
  font-family: var(--display);
  font-size: 19px;
  font-weight: 500;
  color: var(--navy-deep);
  letter-spacing: -0.015em;
  margin-bottom: 10px;
}
.fs-body {
  font-size: 13.5px;
  color: var(--ink-3);
  line-height: 1.6;
}
.filter-arrow {
  align-self: center;
  font-family: var(--mono);
  color: var(--ink-4);
  font-size: 18px;
  flex: 0 0 auto;
}

/* Engagement */
.engagement-head { margin-bottom: 60px; max-width: 700px; }
.engagement-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.eng-card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 36px 32px;
  display: flex; flex-direction: column;
  transition: border-color 0.25s, transform 0.25s var(--ease);
  position: relative;
}
.eng-card:hover { border-color: var(--navy-soft); transform: translateY(-2px); }
.eng-card-featured {
  background: var(--navy-deep);
  color: var(--paper);
  border-color: var(--navy-deep);
}
.eng-card-featured .eng-name { color: var(--paper); }
.eng-card-featured .eng-tag { color: var(--green); }
.eng-card-featured .eng-list li { color: rgba(247, 243, 236, 0.78); }
.eng-card-featured .eng-list li::before { background: var(--green); }
.eng-card-featured .eng-price { color: rgba(247, 243, 236, 0.55); }
.eng-flag {
  position: absolute;
  top: -10px; left: 24px;
  background: var(--green);
  color: var(--paper);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  padding: 4px 10px;
  border-radius: 999px;
}
.eng-tag {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--green-deep);
  text-transform: uppercase;
  margin-bottom: 14px;
}
.eng-name {
  font-family: var(--display);
  font-size: 26px;
  font-weight: 500;
  color: var(--navy-deep);
  letter-spacing: -0.02em;
  margin-bottom: 6px;
}
.eng-price {
  font-size: 13px;
  color: var(--ink-4);
  margin-bottom: 24px;
}
.eng-list {
  list-style: none;
  display: flex; flex-direction: column;
  gap: 10px;
  margin-bottom: 28px;
  flex: 1;
}
.eng-list li {
  font-size: 14px;
  color: var(--ink-2);
  line-height: 1.55;
  display: flex; align-items: flex-start; gap: 10px;
}
.eng-list li::before {
  content: '';
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--green);
  margin-top: 9px;
  flex-shrink: 0;
}

/* ═══════════════════════════════════════════ FOOTER ═══════════════════════════════════════════ */
.footer {
  border-top: 1px solid var(--line);
  background: var(--paper-2);
  padding: 50px 0 40px;
}
.footer-inner {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: 40px;
  align-items: center;
}
.footer-brand { display: flex; align-items: center; gap: 12px; }
.footer-name {
  font-family: var(--display);
  font-weight: 600;
  font-size: 16px;
  color: var(--navy);
  letter-spacing: -0.015em;
}
.footer-tag {
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-4);
  margin-top: 2px;
}
.footer-links {
  display: flex; gap: 32px;
  justify-self: center;
}
.footer-links a {
  font-size: 13px;
  color: var(--ink-3);
  transition: color 0.2s;
}
.footer-links a:hover { color: var(--navy); }
.footer-meta {
  font-size: 12px;
  color: var(--ink-4);
  text-align: right;
}
.footer-fine { margin-top: 4px; }

/* ═══════════════════════════════════════════ REVEAL ═══════════════════════════════════════════ */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition:
    opacity 720ms cubic-bezier(0.22, 1, 0.36, 1),
    transform 720ms cubic-bezier(0.22, 1, 0.36, 1),
    filter 720ms cubic-bezier(0.22, 1, 0.36, 1);
  will-change: opacity, transform, filter;
  filter: blur(6px);
}
.reveal.in { opacity: 1; transform: none; filter: blur(0); }

.reveal-left  { transform: translateX(-40px); }
.reveal-right { transform: translateX(40px);  }
.reveal-scale { transform: scale(0.94) translateY(20px); }
.reveal-up-lg { transform: translateY(56px); }
.reveal-left.in,
.reveal-right.in,
.reveal-scale.in,
.reveal-up-lg.in { transform: none; }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; filter: none; transition: none; }
}

/* ═══════════════════════════════════════════ RESPONSIVE ═══════════════════════════════════════════ */
@media (max-width: 1100px) {
  .hero { grid-template-columns: 1fr; }
  .hero-mark { display: none; }
  .pillars-head { grid-template-columns: 1fr; gap: 24px; align-items: start; }
  .pillar-cards { grid-template-columns: 1fr; }
  .process-steps { grid-template-columns: repeat(2, 1fr); gap: 36px; }
  .process-steps::before { display: none; }
  .diff-grid { grid-template-columns: 1fr; gap: 40px; }
  .pg-hero-row { grid-template-columns: 1fr; gap: 40px; }
  .science-grid { grid-template-columns: 1fr 1fr; gap: 28px; }
  .loop-grid { grid-template-columns: 1fr; }
  .engagement-grid { grid-template-columns: 1fr; }
  .budget-head { grid-template-columns: 1fr; gap: 24px; }
  .budget-legend { justify-self: start; }
  .filter-arrow { display: none; }
  .filter-step { flex: 1 1 45%; }
  .funnel-layer { width: 100% !important; }
  .footer-inner { grid-template-columns: 1fr; text-align: center; }
  .footer-meta, .footer-brand, .footer-links { justify-self: center; }
  .footer-meta { text-align: center; }
}

@media (max-width: 720px) {
  .nav { grid-template-columns: 1fr auto; padding: 12px 18px; gap: 12px; }
  .nav-tabs { order: 3; grid-column: 1 / -1; justify-self: stretch; overflow-x: auto; padding: 4px; }
  .tab-btn { padding: 8px 14px; font-size: 12.5px; }
  .container, .ribbon-inner { padding: 0 22px; }
  .hero { padding: 36px 22px 60px; }
  .section { padding: 90px 0; }
  .display { font-size: 44px; }
  .h-display { font-size: 32px; }
  .h-display-lg { font-size: 38px; }
  .h-display-xl { font-size: 50px; }
  .lede { font-size: 17px; }
  .pm-hero .lede { font-size: 18px; }
  .problem-grid { grid-template-columns: 1fr; }
  .process-steps { grid-template-columns: 1fr; }
  .science-grid { grid-template-columns: 1fr; }
  .filter-step { flex: 1 1 100%; }
  .bar-row { grid-template-columns: 1fr; gap: 8px; }
  .cta-card { padding: 56px 28px; border-radius: 18px; }
  .hero-meta { gap: 18px; flex-wrap: wrap; }
  .hero-meta-divider { display: none; }
  .ribbon-item + .ribbon-item::before { margin-right: 12px; }
  .footer-links { flex-wrap: wrap; gap: 16px; justify-content: center; }
}