/* ============================================================
   DRVFlow — single-page site
   Three switchable visual directions via [data-theme]:
     editorial · operator · signal
   ============================================================ */

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.6;
  font-feature-settings: "kern" 1, "liga" 1;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  transition: background .45s ease, color .45s ease;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; }

/* ---------- shared tokens ---------- */
:root {
  --maxw: 1180px;
  --pad: clamp(20px, 5vw, 64px);
  --sp-section: clamp(72px, 11vw, 148px);
  --radius: 14px;
  --radius-sm: 9px;
  --line-w: 1px;
  --ease: cubic-bezier(.22,.61,.36,1);

  --font-body: "Public Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-display: "Public Sans", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, "SFMono-Regular", monospace;

  --display-weight: 700;
  --display-tracking: -0.02em;
  --display-lh: 1.04;
}

/* ============================================================
   PALETTE & TYPE — Operator direction (cool near-white, grid, mono labels)
   ============================================================ */
:root {
  --bg:        #F4F5F2;
  --bg-2:      #ECEEE9;
  --surface:   #FFFFFF;
  --surface-2: #F7F8F5;
  --ink:       #10130F;
  --ink-2:     #545A50;
  --ink-3:     #868D80;
  --line:      #D6DAD0;
  --line-strong:#BFC5B8;
  --accent:    #1C7A52;
  --accent-2:  #145E3E;
  --accent-soft:#E3EFE8;
  --accent-ink:#FFFFFF;

  --font-display: "Space Grotesk", system-ui, sans-serif;
  --display-weight: 600;
  --display-tracking: -0.025em;
  --display-lh: 1.02;
  --radius: 3px;
  --radius-sm: 2px;
}
/* faint blueprint grid */
body {
  background-image:
    linear-gradient(to right, rgba(16,19,15,.035) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(16,19,15,.035) 1px, transparent 1px);
  background-size: 46px 46px;
}

/* ============================================================
   COLOUR VARIANT · MIDNIGHT (dark, blue accent)
   ============================================================ */
[data-theme="midnight"] {
  --bg:        #0A0A0F;
  --bg-2:      #101019;
  --surface:   #14141F;
  --surface-2: #1A1A26;
  --ink:       #F1F5F9;
  --ink-2:     #94A3B8;
  --ink-3:     #64748B;
  --line:      #1E1E2E;
  --line-strong:#2A2A3E;
  --accent:    #3B82F6;
  --accent-2:  #2563EB;
  --accent-soft:#16233D;
  --accent-ink:#FFFFFF;
}
[data-theme="midnight"] body {
  background-image:
    linear-gradient(to right, rgba(255,255,255,.022) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255,255,255,.022) 1px, transparent 1px);
}
[data-theme="midnight"] .flow-out-label { fill: var(--accent); }
[data-theme="midnight"] .case-avatar { color: var(--accent); }
[data-theme="midnight"] .cta-band .btn-primary:hover { background: #E6EEFF; }

/* ============================================================
   COLOUR-SCHEME TOGGLE
   ============================================================ */
.theme-toggle {
  position: fixed; right: 18px; bottom: 20px; z-index: 75;
  display: flex; gap: 3px; padding: 4px; border-radius: 999px;
  background: color-mix(in srgb, var(--surface) 90%, transparent);
  backdrop-filter: blur(10px);
  border: 1px solid var(--line); box-shadow: 0 12px 34px -14px rgba(0,0,0,.55);
}
.tt-btn {
  border: none; background: transparent; color: var(--ink-3);
  font-family: var(--font-mono); font-size: .66rem; letter-spacing: .1em; text-transform: uppercase;
  padding: 7px 14px; border-radius: 999px; cursor: pointer; transition: background .2s, color .2s;
}
.tt-btn.active { background: var(--accent); color: var(--accent-ink); }
.tt-btn:hover:not(.active) { color: var(--ink); }
@media (max-width: 720px) { .theme-toggle { bottom: 78px; right: 12px; } }

/* ============================================================
   LAYOUT PRIMITIVES
   ============================================================ */
.wrap { max-width: var(--maxw); margin: 0 auto; padding-left: var(--pad); padding-right: var(--pad); }
section { position: relative; }
.section-pad { padding-top: var(--sp-section); padding-bottom: var(--sp-section); }
.bg-alt { background: var(--bg-2); }

.display {
  font-family: var(--font-display);
  font-weight: var(--display-weight);
  letter-spacing: var(--display-tracking);
  line-height: var(--display-lh);
  margin: 0;
  text-wrap: balance;
}
h1.display { font-size: clamp(2.4rem, 6vw, 4.5rem); }
h2.display { font-size: clamp(1.9rem, 4.2vw, 3.1rem); }
h3.display { font-size: clamp(1.25rem, 2vw, 1.6rem); }

.lead { font-size: clamp(1.05rem, 1.5vw, 1.3rem); color: var(--ink-2); line-height: 1.55; margin: 0; text-wrap: pretty; }
.muted { color: var(--ink-2); }
.eyebrow {
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 600;
  margin: 0 0 18px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.eyebrow::before {
  content: "";
  width: 26px; height: 1px; background: var(--accent);
  display: inline-block;
}
.section-head { max-width: 760px; margin-bottom: clamp(40px, 5vw, 64px); }
.section-head .lead { margin-top: 20px; }

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 14px 24px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: .98rem;
  border: 1px solid transparent;
  transition: transform .18s var(--ease), background .2s, box-shadow .2s, border-color .2s, color .2s;
  white-space: nowrap;
}
.btn-primary { background: var(--accent); color: var(--accent-ink); }
.btn-primary:hover { background: var(--accent-2); transform: translateY(-2px); box-shadow: 0 10px 26px -10px var(--accent); }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--line-strong); }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); transform: translateY(-2px); }
.btn .arrow { transition: transform .2s var(--ease); }
.btn:hover .arrow { transform: translateX(3px); }
.btn-lg { padding: 17px 30px; font-size: 1.05rem; }

.textlink {
  display: inline-flex; align-items: center; gap: 7px;
  color: var(--accent); font-weight: 600;
  border-bottom: 1px solid transparent;
  transition: border-color .2s, gap .2s;
}
.textlink:hover { border-color: var(--accent); gap: 11px; }

/* ============================================================
   NAV
   ============================================================ */
.nav {
  position: sticky; top: 0; z-index: 60;
  backdrop-filter: blur(10px);
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  border-bottom: 1px solid transparent;
  transition: border-color .3s, background .3s, padding .3s;
}
.nav.scrolled { border-bottom-color: var(--line); }
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 70px; }
.brand { display: inline-flex; align-items: center; gap: 11px; font-family: var(--font-display); font-weight: 700; font-size: 1.32rem; letter-spacing: -0.02em; }
.brand .mark { width: 28px; height: 28px; flex: none; }
.brand-wm { font-weight: 700; letter-spacing: -0.04em; }
.brand-wm .wm-accent { color: var(--accent); }
.nav-links { display: flex; align-items: center; gap: 32px; }
.nav-links a.navlink { font-size: .95rem; color: var(--ink-2); transition: color .2s; position: relative; }
.nav-links a.navlink:hover { color: var(--ink); }
.nav-cta { display: flex; align-items: center; gap: 16px; }
@media (max-width: 860px) {
  .nav-links .navlink { display: none; }
}

/* ============================================================
   HERO
   ============================================================ */
.hero { padding-top: clamp(48px, 7vw, 92px); padding-bottom: clamp(60px, 8vw, 110px); overflow: hidden; }
.hero-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: clamp(36px, 5vw, 72px); align-items: center; }
.hero h1 { margin-bottom: 26px; }
.hero h1 .accent-word { color: var(--accent); }
.hero .lead { max-width: 540px; }
.hero-cta { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; margin-top: 34px; }
.trust-strip {
  margin-top: 38px; padding-top: 24px; border-top: 1px solid var(--line);
  font-size: .92rem; color: var(--ink-2); max-width: 480px; text-wrap: pretty;
}
@media (max-width: 880px) {
  .hero-grid { grid-template-columns: 1fr; }
}

/* hero flow diagram */
.hero-visual { position: relative; display: flex; flex-direction: column; justify-content: center; gap: clamp(26px, 4vw, 40px); }
.flow-svg { width: 100%; height: auto; overflow: visible; }
.flow-chip-bg { fill: var(--surface); stroke: var(--line-strong); stroke-width: 1; }
.flow-hub-bg { fill: var(--accent); }
.flow-out-bg { fill: var(--accent-soft); stroke: var(--accent); stroke-width: 1; }
.flow-label { fill: var(--ink); font-family: var(--font-body); font-size: 13px; font-weight: 600; }
.flow-sub { fill: var(--ink-3); font-family: var(--font-mono); font-size: 9.5px; letter-spacing: .04em; }
.flow-hub-label { fill: var(--accent-ink); font-family: var(--font-display); font-weight: 700; }
.flow-hub-sub { fill: color-mix(in srgb, var(--accent-ink) 75%, transparent); font-family: var(--font-mono); font-size: 9px; letter-spacing: .08em; }
.flow-out-label { fill: var(--accent-2); font-family: var(--font-body); font-weight: 700; font-size: 13px; }
.flow-wire { fill: none; stroke: var(--line-strong); stroke-width: 1.4; }
.flow-pulse { fill: none; stroke: var(--accent); stroke-width: 2; stroke-linecap: round; stroke-dasharray: 7 220; opacity: .9; }
.flow-dot { fill: var(--accent); }
@keyframes wireFlow { to { stroke-dashoffset: -227; } }
.flow-pulse { animation: wireFlow 3.4s linear infinite; }
.flow-hub-ring { fill: none; stroke: var(--accent); stroke-width: 1.5; opacity: 0; }
@keyframes hubPulse { 0% { opacity: .5; transform: scale(1); } 100% { opacity: 0; transform: scale(1.5); } }
.flow-hub-ring { animation: hubPulse 2.8s ease-out infinite; transform-origin: var(--hub-cx) var(--hub-cy); }

/* ============================================================
   SOCIAL PROOF STRIP
   ============================================================ */
.proof {
  padding-top: 30px; padding-bottom: 30px;
  border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
}
.proof-inner { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 22px; text-align: center; }
.proof-line { font-family: var(--font-mono); font-size: .82rem; letter-spacing: .04em; color: var(--ink-2); text-transform: uppercase; }
.proof-line .dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; background: var(--accent); margin-right: 10px; vertical-align: middle; animation: livePulse 2s ease-in-out infinite; }
@keyframes livePulse { 0%,100% { opacity: 1; } 50% { opacity: .35; } }
.client-logos { display: flex; align-items: center; justify-content: center; gap: clamp(22px, 4vw, 44px); flex-wrap: wrap; }
.client-logo { display: inline-flex; align-items: center; gap: 11px; }
.cl-mark { width: 34px; height: 34px; border-radius: 9px; flex: none; display: flex; align-items: center; justify-content: center; }
.cl-mark svg { width: 18px; height: 18px; }
.cl-text { display: flex; flex-direction: column; line-height: 1.04; }
.cl-text .cl-name { font-family: var(--font-display); font-weight: 700; font-size: .98rem; letter-spacing: -0.015em; color: var(--ink); white-space: nowrap; }
.cl-text .cl-sector { font-family: var(--font-mono); font-size: .56rem; letter-spacing: .12em; text-transform: uppercase; color: var(--ink-3); margin-top: 3px; }

/* ============================================================
   PROBLEM
   ============================================================ */
.scatter {
  display: flex; flex-wrap: wrap; gap: 12px; align-items: center;
  margin: 36px 0; padding: 28px; border: 1px solid var(--line); border-radius: var(--radius);
  background: var(--surface-2);
}
.scatter-chip {
  display: inline-flex; align-items: center; gap: 9px;
  padding: 9px 15px; border-radius: 999px; background: var(--surface);
  border: 1px solid var(--line-strong); font-size: .9rem; color: var(--ink-2);
  transform: rotate(var(--r, 0deg));
}
.scatter-chip .ic { width: 7px; height: 7px; border-radius: 2px; background: var(--ink-3); flex:none; }
.scatter-arrow { font-family: var(--font-mono); color: var(--accent); font-size: 1.1rem; padding: 0 4px; }
.scatter-result {
  display: inline-flex; align-items: center; gap: 9px;
  padding: 11px 20px; border-radius: 999px; background: var(--accent); color: var(--accent-ink);
  font-weight: 700; font-size: .95rem;
}

.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(14px,2vw,22px); margin-top: 12px; }
.stat-group-label { font-family: var(--font-mono); font-size: .7rem; letter-spacing: .16em; text-transform: uppercase; color: var(--ink-3); margin-bottom: 18px; display:flex; align-items:center; gap:9px; }
.stat-group-label::before { content:""; width:18px; height:1px; background: var(--ink-3); }
.stat-tile {
  padding: 30px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface);
  transition: transform .3s var(--ease), border-color .3s, box-shadow .3s;
}
.stat-tile:hover { transform: translateY(-4px); border-color: var(--accent); box-shadow: 0 16px 40px -22px var(--accent); }
.stat-num { font-family: var(--font-display); font-weight: var(--display-weight); font-size: clamp(2.2rem, 4vw, 3.1rem); letter-spacing: -0.02em; color: var(--accent); line-height: 1; }
.stat-num .unit { font-size: .55em; }
.stat-desc { margin-top: 14px; color: var(--ink-2); font-size: .96rem; line-height: 1.45; }
@media (max-width: 720px) { .stats { grid-template-columns: 1fr; } }

/* ============================================================
   WHAT WE DO — capability cards
   ============================================================ */
.cards-4 { display: grid; grid-template-columns: repeat(2, 1fr); gap: clamp(16px,2vw,22px); }
.cap-card {
  padding: clamp(26px,3vw,36px); border: 1px solid var(--line); border-radius: var(--radius);
  background: var(--surface); position: relative; overflow: hidden;
  transition: transform .3s var(--ease), border-color .3s, box-shadow .3s;
}
.cap-card:hover { transform: translateY(-5px); border-color: var(--accent); box-shadow: 0 22px 50px -28px var(--accent); }
.cap-num { font-family: var(--font-mono); font-size: .78rem; color: var(--accent); letter-spacing: .1em; margin-bottom: 20px; display: block; }
.cap-icon {
  width: 46px; height: 46px; border-radius: var(--radius-sm); margin-bottom: 22px;
  display: flex; align-items: center; justify-content: center;
  background: var(--accent-soft); color: var(--accent);
}
.cap-icon svg { width: 24px; height: 24px; }
.cap-card h3 { margin-bottom: 12px; }
.cap-card p { margin: 0; color: var(--ink-2); font-size: .98rem; }
.cap-tag {
  display: inline-block; margin-top: 16px; font-family: var(--font-mono);
  font-size: .68rem; letter-spacing: .08em; text-transform: uppercase;
  color: var(--accent); padding: 5px 10px; border: 1px solid var(--accent); border-radius: 999px;
}
.cap-stat { margin-top: 16px !important; padding-top: 14px; border-top: 1px solid var(--line); font-size: .82rem !important; color: var(--ink-3) !important; line-height: 1.5; }
.cap-close { margin-top: 38px; font-size: 1.15rem; color: var(--ink); max-width: 720px; text-wrap: pretty; }
.cap-close b { color: var(--accent); font-weight: 700; }
@media (max-width: 720px) { .cards-4 { grid-template-columns: 1fr; } }

/* ============================================================
   PROMISE — the differentiator (often dark-ish band)
   ============================================================ */
.promise { background: var(--bg-2); }
.promise-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(40px,5vw,80px); align-items: center; }
.promise-big {
  font-family: var(--font-display); font-weight: var(--display-weight);
  font-size: clamp(3.6rem, 9vw, 6.5rem); color: var(--accent); line-height: .9; letter-spacing: -0.03em;
}
.promise-big .small { display:block; font-size: .2em; letter-spacing: .14em; text-transform: uppercase; color: var(--ink-3); font-family: var(--font-mono); margin-top: 18px; font-weight: 500; }
.promise-list { list-style: none; padding: 0; margin: 28px 0 0; display: grid; gap: 2px; }
.promise-list li {
  display: flex; gap: 16px; padding: 18px 4px; border-bottom: 1px solid var(--line);
  align-items: flex-start;
}
.promise-list li:first-child { border-top: 1px solid var(--line); }
.promise-list .pl-check { color: var(--accent); flex: none; margin-top: 2px; }
.promise-list .pl-text b { display:block; margin-bottom: 3px; }
.promise-list .pl-text span { color: var(--ink-2); font-size: .94rem; }
@media (max-width: 820px) { .promise-grid { grid-template-columns: 1fr; gap: 36px; } }

/* ============================================================
   HOW IT WORKS — 3 steps
   ============================================================ */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(18px,2.5vw,28px); position: relative; }
.step {
  padding: clamp(26px,3vw,34px); border: 1px solid var(--line); border-radius: var(--radius);
  background: var(--surface); position: relative;
  transition: transform .3s var(--ease), border-color .3s;
}
.step:hover { transform: translateY(-4px); border-color: var(--accent); }
.step-num {
  font-family: var(--font-display); font-weight: var(--display-weight);
  font-size: 3rem; color: var(--line-strong); line-height: 1; letter-spacing: -0.03em; margin-bottom: 14px;
  transition: color .3s;
}
.step:hover .step-num { color: var(--accent); }
.step h3 { margin-bottom: 10px; }
.step p { margin: 0; color: var(--ink-2); font-size: .97rem; }
.guarantee {
  margin-top: 14px; display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--font-mono); font-size: .8rem; letter-spacing: .03em;
  color: var(--accent); padding: 9px 14px; background: var(--accent-soft); border-radius: var(--radius-sm);
}
@media (max-width: 820px) { .steps { grid-template-columns: 1fr; } }

/* ============================================================
   RESULTS — placeholder case cards
   ============================================================ */
.results-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(16px,2vw,22px); }
.case-card {
  padding: clamp(24px,2.6vw,32px); border: 1px solid var(--line); border-radius: var(--radius);
  background: var(--surface); position: relative; display: flex; flex-direction: column;
}
.case-badge {
  position: absolute; top: 14px; right: 14px;
  font-family: var(--font-mono); font-size: .58rem; letter-spacing: .12em; text-transform: uppercase;
  color: var(--ink-3); border: 1px dashed var(--line-strong); border-radius: 999px; padding: 4px 10px;
  background: var(--bg);
}
.case-metric { font-family: var(--font-display); font-weight: var(--display-weight); font-size: clamp(1.6rem,2.4vw,2.1rem); letter-spacing: -0.02em; color: var(--ink); line-height: 1.05; margin: 6px 0 16px; max-width: 90%; }
.case-quote { color: var(--ink-2); font-size: .98rem; font-style: italic; margin: 0 0 22px; }
.case-by { display: flex; align-items: center; gap: 12px; margin-top: auto; }
.case-avatar { width: 44px; height: 44px; border-radius: 50%; flex: none; display: flex; align-items: center; justify-content: center; background: var(--accent-soft); color: var(--accent-2); border: 1px solid var(--line-strong); font-family: var(--font-display); font-weight: 700; font-size: .92rem; letter-spacing: .01em; }
.case-name { font-size: .9rem; }
.case-name b { display: block; }
.case-name span { color: var(--ink-3); font-size: .82rem; }
.case-loom {
  margin-top: 18px; height: 40px; border-radius: var(--radius-sm); border: 1px solid var(--line);
  display: flex; align-items: center; justify-content: center; gap: 9px;
  font-family: var(--font-mono); font-size: .68rem; letter-spacing: .06em; color: var(--ink-2);
  background: var(--surface-2); cursor: pointer; transition: border-color .2s, color .2s;
}
.case-loom:hover { border-color: var(--accent); color: var(--accent); }
.case-loom .play { width: 18px; height: 18px; border-radius: 50%; background: var(--accent); color: var(--accent-ink); display: flex; align-items: center; justify-content: center; font-size: .6rem; flex: none; }
.founding-line {
  margin-top: 36px; padding: 22px 26px; border-left: 3px solid var(--accent); background: var(--surface-2);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0; color: var(--ink); font-size: 1.02rem;
}
@media (max-width: 880px) { .results-grid { grid-template-columns: 1fr; } }

/* ============================================================
   TECH STACK
   ============================================================ */
.stack-note { font-size: .92rem; color: var(--ink-3); margin-top: 14px; }
.stack-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 40px; }
.stack-pill {
  display: inline-flex; align-items: center; gap: 11px;
  padding: 9px 18px 9px 9px; border-radius: 999px; border: 1px solid var(--line);
  background: var(--surface); font-weight: 600; font-size: .95rem; color: var(--ink-2);
  transition: border-color .2s, color .2s, transform .2s;
}
.stack-pill:hover { border-color: var(--accent); color: var(--ink); transform: translateY(-2px); }
.stack-pill .sd { width: 9px; height: 9px; border-radius: 50%; background: var(--accent); flex: none; }
.stack-mark { width: 26px; height: 26px; border-radius: 7px; flex: none; display: flex; align-items: center; justify-content: center; font-family: var(--font-display); font-weight: 700; font-size: .82rem; color: #fff; line-height: 1; }
.stack-logo { width: 36px; height: 36px; border-radius: 8px; flex: none; background: #fff; display: flex; align-items: center; justify-content: center; padding: 5px; overflow: hidden; border: 1px solid var(--line); }
.stack-logo img { width: 100%; height: 100%; object-fit: contain; display: block; }
.stack-logo.claude { color: #D97757; font-family: var(--font-display); font-weight: 700; font-size: 1.1rem; line-height: 1; }
#problem { padding-bottom: clamp(38px, 5vw, 64px); }
#calculator { padding-top: clamp(38px, 5vw, 64px); }

/* ============================================================
   OFFER LADDER
   ============================================================ */
.offers { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(16px,2vw,22px); align-items: stretch; }
.offer {
  padding: clamp(28px,3vw,38px); border: 1px solid var(--line); border-radius: var(--radius);
  background: var(--surface); display: flex; flex-direction: column; position: relative;
  transition: transform .3s var(--ease), border-color .3s, box-shadow .3s;
}
.offer:hover { transform: translateY(-5px); box-shadow: 0 24px 54px -30px rgba(0,0,0,.35); }
.offer.featured { border-color: var(--accent); border-width: 1.5px; }
.offer-tag {
  position: absolute; top: -12px; left: clamp(28px,3vw,38px);
  background: var(--accent); color: var(--accent-ink); font-family: var(--font-mono);
  font-size: .64rem; letter-spacing: .12em; text-transform: uppercase; font-weight: 700;
  padding: 6px 12px; border-radius: 999px; white-space: nowrap;
}
.offer-step { font-family: var(--font-mono); font-size: .72rem; letter-spacing: .14em; color: var(--ink-3); margin-bottom: 16px; }
.offer h3 { margin-bottom: 14px; }
.offer p { margin: 0 0 24px; color: var(--ink-2); font-size: .98rem; }
.offer .btn { margin-top: auto; justify-content: center; }
@media (max-width: 880px) { .offers { grid-template-columns: 1fr; } .offer-tag{ left: 28px; } }

/* ============================================================
   FOUNDER
   ============================================================ */
.founder-grid { display: grid; grid-template-columns: .62fr 1.38fr; gap: clamp(36px,5vw,68px); align-items: center; }
.founder-photo {
  aspect-ratio: 4/5; border-radius: var(--radius); border: 1px solid var(--line-strong);
  background: var(--surface-2);
  overflow: hidden; position: relative;
}
.founder-photo img { width: 100%; height: 100%; object-fit: cover; object-position: 50% 22%; display: block; }
.founder-photo .ph-tag { font-family: var(--font-mono); font-size: .66rem; letter-spacing: .08em; color: var(--ink-3); background: var(--bg); padding: 6px 10px; border-radius: var(--radius-sm); border: 1px solid var(--line); }
.founder-body p { color: var(--ink-2); font-size: 1.08rem; margin: 0 0 18px; max-width: 620px; text-wrap: pretty; }
.founder-body p .hl { color: var(--ink); font-weight: 600; }
.founder-sign { font-family: var(--font-display); font-style: normal; font-weight: 600; font-size: 1.3rem; color: var(--ink); margin-top: 8px; }
@media (max-width: 760px) { .founder-grid { grid-template-columns: 1fr; } .founder-photo{ max-width: 260px; } }

/* ============================================================
   FAQ
   ============================================================ */
.faq-list { border-top: 1px solid var(--line); max-width: 860px; }
.faq-item { border-bottom: 1px solid var(--line); }
.faq-q {
  width: 100%; text-align: left; background: none; border: none; padding: 26px 0;
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
  font-family: var(--font-display); font-weight: var(--display-weight); font-size: clamp(1.1rem,1.6vw,1.32rem);
  letter-spacing: -0.01em; color: var(--ink); transition: color .2s;
}
.faq-q:hover { color: var(--accent); }
.faq-icon { flex: none; width: 22px; height: 22px; position: relative; }
.faq-icon::before, .faq-icon::after { content:""; position:absolute; background: var(--accent); border-radius: 2px; transition: transform .3s var(--ease), opacity .3s; }
.faq-icon::before { top: 10px; left: 0; width: 22px; height: 2px; }
.faq-icon::after { top: 0; left: 10px; width: 2px; height: 22px; }
.faq-item.open .faq-icon::after { transform: rotate(90deg); opacity: 0; }
.faq-a { overflow: hidden; max-height: 0; transition: max-height .4s var(--ease); }
.faq-a-inner { padding: 0 0 26px; color: var(--ink-2); font-size: 1.02rem; max-width: 700px; }

/* ============================================================
   FINAL CTA BAND
   ============================================================ */
.cta-band { background: var(--accent); color: var(--accent-ink); border-radius: var(--radius); padding: clamp(48px,7vw,90px) clamp(32px,5vw,72px); text-align: center; position: relative; overflow: hidden; }
.cta-band h2 { color: var(--accent-ink); margin-bottom: 20px; }
.cta-band p { color: color-mix(in srgb, var(--accent-ink) 86%, transparent); font-size: 1.15rem; max-width: 560px; margin: 0 auto 36px; }
.cta-band .btn-primary { background: var(--accent-ink); color: var(--accent); }
.cta-band .btn-primary:hover { background: var(--bg); transform: translateY(-2px); box-shadow: 0 14px 36px -14px rgba(0,0,0,.4); }
.cta-band .field-deco { position: absolute; inset: 0; opacity: .12; pointer-events: none; background-image: radial-gradient(circle at 1px 1px, var(--accent-ink) 1.2px, transparent 0); background-size: 26px 26px; }

/* ============================================================
   FOOTER
   ============================================================ */
.footer { padding: clamp(56px,7vw,90px) 0 48px; border-top: 1px solid var(--line); }
.footer-grid { display: flex; justify-content: space-between; gap: 40px; flex-wrap: wrap; align-items: flex-start; }
.footer-tagline { color: var(--ink-2); max-width: 360px; margin: 16px 0 0; font-size: 1.02rem; }
.footer-right { text-align: right; display: flex; flex-direction: column; gap: 10px; }
.footer-email { font-family: var(--font-mono); font-size: 1rem; color: var(--ink); }
.footer-email .flag { color: var(--ink-3); font-size: .76rem; display: block; margin-top: 2px; }
.footer-legal { color: var(--ink-3); font-size: .82rem; margin-top: 40px; }
@media (max-width: 640px) { .footer-right { text-align: left; } }

/* ============================================================
   STICKY MOBILE CTA
   ============================================================ */
.mobile-cta {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 70;
  padding: 12px 16px calc(12px + env(safe-area-inset-bottom));
  background: color-mix(in srgb, var(--bg) 92%, transparent);
  backdrop-filter: blur(10px);
  border-top: 1px solid var(--line);
  display: none;
  transform: translateY(110%); transition: transform .35s var(--ease);
}
.mobile-cta.show { transform: translateY(0); }
.mobile-cta .btn { width: 100%; justify-content: center; }
@media (max-width: 720px) { .mobile-cta { display: block; } body { padding-bottom: 0; } }

/* ============================================================
   SCROLL REVEAL
   ============================================================ */
.reveal { opacity: 1; transform: none; }
.js:not(.revealed) .reveal { transform: translateY(22px); transition: transform .7s var(--ease); }
.js .reveal.in { opacity: 1; transform: none; }
.reveal.d1 { transition-delay: .08s; }
.reveal.d2 { transition-delay: .16s; }
.reveal.d3 { transition-delay: .24s; }
@media print { .reveal { opacity: 1 !important; transform: none !important; } }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1 !important; transform: none !important; }
  .flow-pulse, .flow-hub-ring, .proof-line .dot { animation: none !important; }
  html { scroll-behavior: auto; }
}

/* ============================================================
   HERO QUALIFIER CHIPS  (replaces text trust strip)
   ============================================================ */
.qualifiers { padding-top: 26px; border-top: 1px solid var(--line); width: 100%; }
.qualifiers-label { font-family: var(--font-mono); font-size: .68rem; letter-spacing: .16em; text-transform: uppercase; color: var(--ink-3); margin-bottom: 16px; display: flex; align-items: center; gap: 9px; }
.qualifiers-label::before { content: ""; width: 18px; height: 1px; background: var(--ink-3); }
.qchips { display: flex; flex-wrap: wrap; gap: 10px; }
.qchip {
  display: inline-flex; align-items: center; gap: 9px;
  padding: 9px 15px 9px 11px; border-radius: 999px;
  background: var(--surface); border: 1px solid var(--line-strong);
  font-size: .9rem; font-weight: 600; color: var(--ink); white-space: nowrap;
  transition: border-color .2s, transform .2s;
}
.qchip:hover { border-color: var(--accent); transform: translateY(-2px); }
.qchip .qcheck { width: 18px; height: 18px; border-radius: 50%; background: var(--accent-soft); color: var(--accent); display: flex; align-items: center; justify-content: center; flex: none; }
.qchip .qcheck svg { width: 11px; height: 11px; }

/* ============================================================
   LEAK CALCULATOR
   ============================================================ */
.calc-panel {
  border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface);
  padding: clamp(28px, 3.5vw, 46px);
  display: grid; grid-template-columns: 1fr 1fr; gap: clamp(32px, 4vw, 60px); align-items: center;
  margin-top: 8px;
}
.calc-controls { display: flex; flex-direction: column; gap: 0; }
.calc-lever { display: flex; flex-direction: column; gap: 24px; }
.calc-lever + .calc-lever { margin-top: 26px; padding-top: 26px; border-top: 1px solid var(--line); }
.calc-lever-head { display: flex; align-items: center; gap: 11px; font-family: var(--font-mono); font-size: .72rem; letter-spacing: .14em; text-transform: uppercase; color: var(--ink-2); }
.calc-lever-num { display: inline-flex; align-items: center; justify-content: center; width: 24px; height: 24px; border-radius: 7px; background: var(--accent-soft); color: var(--accent); font-size: .72rem; font-weight: 700; }
.calc-field-top { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 12px; gap: 16px; }
.calc-field-label { font-size: .96rem; font-weight: 600; color: var(--ink); }
.calc-field-val { font-family: var(--font-display); font-weight: var(--display-weight); font-size: 1.35rem; color: var(--accent); letter-spacing: -0.01em; white-space: nowrap; }
input[type=range].calc-range {
  width: 100%; height: 5px; -webkit-appearance: none; appearance: none;
  background: var(--line-strong); border-radius: 5px; outline: none; cursor: pointer; margin: 0;
}
input[type=range].calc-range::-webkit-slider-thumb { -webkit-appearance: none; width: 20px; height: 20px; border-radius: 50%; background: var(--accent); border: 3px solid var(--surface); box-shadow: 0 1px 6px rgba(0,0,0,.28); cursor: pointer; }
input[type=range].calc-range::-moz-range-thumb { width: 20px; height: 20px; border-radius: 50%; background: var(--accent); border: 3px solid var(--surface); box-shadow: 0 1px 6px rgba(0,0,0,.28); cursor: pointer; }
.calc-seg-label { font-size: .96rem; font-weight: 600; color: var(--ink); margin-bottom: 12px; }
.calc-seg { display: grid; grid-template-columns: repeat(2, 1fr); gap: 7px; }
.calc-seg button {
  padding: 11px 10px; border: 1px solid var(--line-strong); background: var(--surface);
  border-radius: var(--radius-sm); font: inherit; font-size: .84rem; font-weight: 600;
  color: var(--ink-2); cursor: pointer; transition: all .18s; text-align: center;
}
.calc-seg button.active { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }
.calc-seg button:hover:not(.active) { border-color: var(--accent); color: var(--ink); }

.calc-result-label { font-family: var(--font-mono); font-size: .7rem; letter-spacing: .14em; text-transform: uppercase; color: var(--ink-3); margin-bottom: 12px; display: flex; align-items: center; gap: 9px; }
.calc-result-label::before { content: ""; width: 18px; height: 1px; background: var(--accent); }
.calc-big { font-family: var(--font-display); font-weight: var(--display-weight); font-size: clamp(2.8rem, 6.5vw, 4.6rem); color: var(--accent); line-height: .98; letter-spacing: -0.03em; }
.calc-big-sub { color: var(--ink-2); margin-top: 12px; font-size: .98rem; max-width: 380px; text-wrap: pretty; }
.calc-bar-wrap { margin-top: 30px; }
.calc-bar { height: 30px; border-radius: 7px; overflow: hidden; display: flex; background: var(--surface-2); border: 1px solid var(--line); }
.calc-bar .seg-time { background: var(--accent-2); transition: width .3s var(--ease); }
.calc-bar .seg-rev { background: var(--accent); transition: width .3s var(--ease); }
.calc-legend { display: flex; gap: 24px; margin-top: 16px; flex-wrap: wrap; }
.calc-legend .lg { display: flex; align-items: center; gap: 9px; font-size: .86rem; color: var(--ink-2); }
.calc-legend .lg b { color: var(--ink); font-weight: 700; }
.calc-legend .sw { width: 12px; height: 12px; border-radius: 3px; flex: none; }
.calc-note { margin-top: 18px; font-size: .85rem; color: var(--accent); font-weight: 600; display: none; }
.calc-disclaimer { margin-top: 26px; font-size: .8rem; color: var(--ink-3); line-height: 1.55; max-width: 560px; }
@media (max-width: 820px) { .calc-panel { grid-template-columns: 1fr; gap: 36px; } }

/* ============================================================
   PROCESS TIMELINE — time labels + connectors
   ============================================================ */
.step { display: flex; flex-direction: column; }
.step-body { flex: 1; }
.step-time {
  margin-top: 20px; padding-top: 16px; border-top: 1px solid var(--line);
  display: inline-flex; align-items: center; gap: 9px;
  font-family: var(--font-mono); font-size: .72rem; letter-spacing: .05em; text-transform: uppercase; color: var(--ink-3);
}
.step-time::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--accent); flex: none; }
@media (min-width: 821px) {
  .steps { overflow: visible; }
  .step:not(:last-child)::after {
    content: "→"; position: absolute; top: 50px; right: -7px; transform: translateX(50%);
    font-family: var(--font-mono); font-size: 1.3rem; font-weight: 500; color: var(--accent); z-index: 4; line-height: 1;
  }
}