:root {
  --ink: #111722;
  --ink-soft: #1b2636;
  --paper: #f5f7f3;
  --paper-2: #edf1ed;
  --white: #ffffff;
  --muted: #667184;
  --line: #d9e0e5;
  --blue: #1557ff;
  --blue-dark: #0a3fcd;
  --blue-soft: #e4ecff;
  --orange: #ffb24a;
  --green: #32b67a;
  --max: 1160px;
  --sans: 'DM Sans', Arial, sans-serif;
  --display: 'Space Grotesk', Arial, sans-serif;
  --mono: 'DM Mono', ui-monospace, monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: var(--sans); line-height: 1.6; }
body::selection { color: var(--white); background: var(--blue); }
a { color: inherit; }
img { max-width: 100%; }
.wrap { width: min(var(--max), calc(100% - 48px)); margin-inline: auto; }
.narrow { width: min(860px, calc(100% - 48px)); margin-inline: auto; }
.skip-link { position: fixed; left: 12px; top: -80px; z-index: 100; padding: 10px 14px; background: var(--ink); color: var(--white); border-radius: 8px; }
.skip-link:focus { top: 12px; }

nav { position: sticky; top: 0; z-index: 20; border-bottom: 1px solid rgba(217,224,229,.88); background: rgba(245,247,243,.92); backdrop-filter: blur(14px); }
.nav-inner { height: 72px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { font: 700 17px var(--display); letter-spacing: -.04em; text-decoration: none; }
.nav-links { display: flex; align-items: center; gap: 24px; color: #4e5a6a; font-size: 14px; }
.nav-links a { text-decoration: none; }
.nav-links a:hover { color: var(--blue); }
.nav-cta { padding: 10px 16px; border-radius: 999px; background: var(--ink); color: var(--white) !important; font-weight: 700; }

h1, h2, h3 { margin: 0; font-family: var(--display); letter-spacing: -.055em; line-height: 1.04; }
h1 { font-size: clamp(48px, 6.5vw, 82px); }
h2 { font-size: clamp(34px, 4.3vw, 56px); }
h3 { font-size: 22px; }
p { margin-top: 0; }
.eyebrow, .kicker { font: 500 12px var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--blue); }
.eyebrow { display: flex; align-items: center; gap: 10px; margin-bottom: 20px; }
.eyebrow::before { content: ''; width: 28px; height: 2px; background: currentColor; }
.section-head { display: flex; align-items: end; justify-content: space-between; gap: 40px; margin-bottom: 42px; }
.section-head > div { max-width: 720px; }
.section-head .kicker { margin-bottom: 13px; }
.section-intro { max-width: 430px; margin: 0; color: var(--muted); font-size: 16px; }
.section { padding: 96px 0; }

.button { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 12px 19px; border: 1px solid transparent; border-radius: 999px; text-decoration: none; font-size: 14px; font-weight: 700; transition: .18s ease; }
.button:hover { transform: translateY(-2px); }
.button-primary { color: var(--white); background: var(--blue); }
.button-primary:hover { background: var(--blue-dark); }
.button-secondary { border-color: var(--ink); color: var(--ink); }
.button-secondary:hover { color: var(--white); background: var(--ink); }
.button-light { color: var(--blue); background: var(--white); }
.button-ghost-light { color: var(--white); border-color: rgba(255,255,255,.58); }
.button-ghost-light:hover { color: var(--blue); background: var(--white); }
.actions { display: flex; flex-wrap: wrap; gap: 11px; }

.hero { padding: 62px 0 66px; overflow: hidden; background: radial-gradient(circle at 88% 12%, #d9e5ff 0, transparent 31%), var(--paper); }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.08fr) minmax(350px, .92fr); gap: 68px; align-items: center; }
.hero h1 { max-width: 760px; font-size: clamp(46px, 5.5vw, 70px); }
.hero h1 em { color: var(--blue); font-style: normal; }
.hero-lead { max-width: 675px; margin: 22px 0 24px; color: #4d596a; font-size: 19px; line-height: 1.52; }
.availability { display: flex; align-items: center; gap: 9px; margin-top: 17px; color: var(--muted); font-size: 13px; }
.availability::before { content: ''; width: 8px; height: 8px; border-radius: 50%; background: var(--green); box-shadow: 0 0 0 4px rgba(50,182,122,.13); }
.hero-proof { position: relative; padding: 25px; color: var(--white); background: var(--ink); border-radius: 24px; box-shadow: 18px 20px 0 #d5e0f6; transform: rotate(1deg); }
.window-dots { display: flex; gap: 7px; margin-bottom: 20px; }
.window-dots i { display: block; width: 9px; height: 9px; border-radius: 50%; background: #6d7a8e; }
.window-dots i:first-child { background: #ff7373; }
.window-dots i:nth-child(2) { background: var(--orange); }
.window-dots i:nth-child(3) { background: #62d49a; }
.portrait { display: block; width: 100%; aspect-ratio: 16/10; object-fit: cover; object-position: center 24%; border-radius: 15px; filter: saturate(.92); }
.hero-proof .kicker { margin: 20px 0 8px; color: #9eafc7; }
.hero-proof h2 { margin-bottom: 18px; font-size: 29px; }
.proof-row { display: grid; grid-template-columns: 76px 1fr; gap: 15px; padding: 13px 0; border-top: 1px solid rgba(255,255,255,.13); }
.proof-row:last-child { border-bottom: 1px solid rgba(255,255,255,.13); }
.proof-row strong { color: var(--orange); font: 500 13px var(--mono); }
.proof-row span { color: #d4dce8; font-size: 14px; }

.metric-band { padding: 27px 0; color: var(--white); background: var(--ink-soft); }
.metrics { display: grid; grid-template-columns: repeat(4, 1fr); gap: 25px; }
.metric strong { display: block; color: var(--orange); font: 600 30px var(--display); }
.metric span { color: #c2ccd9; font-size: 13px; }
.metric small { display: block; margin-top: 2px; color: #8391a4; font-size: 11px; }

.service-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 15px; }
.service-card { min-height: 260px; padding: 25px; border: 1px solid var(--line); border-radius: 18px; background: var(--white); }
.service-card .index { margin-bottom: 48px; color: var(--blue); font: 500 12px var(--mono); }
.service-card h3 { margin-bottom: 13px; }
.service-card p { margin: 0; color: var(--muted); font-size: 14px; }
.service-card ul { margin: 18px 0 0; padding-left: 18px; color: #4e5b6c; font-size: 13px; }

.dark { color: var(--white); background: var(--ink); }
.dark .kicker { color: #86aaff; }
.dark .section-intro { color: #b6c2d2; }
.case-grid { display: grid; grid-template-columns: .92fr 1.08fr; gap: 62px; align-items: center; }
.case-copy h2 { margin: 14px 0 22px; }
.case-copy > p { max-width: 600px; color: #bcc7d5; font-size: 17px; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin: 24px 0 28px; }
.chip { padding: 7px 10px; border: 1px solid rgba(255,255,255,.18); border-radius: 999px; color: #d3dbe7; font: 12px var(--mono); }
.phone-stage { position: relative; min-height: 510px; }
.phone { position: absolute; width: 218px; padding: 8px; border: 1px solid #3e4a5e; border-radius: 28px; background: #202b3b; box-shadow: 0 26px 60px rgba(0,0,0,.32); }
.phone img { display: block; width: 100%; aspect-ratio: 9/16; object-fit: cover; object-position: top; border-radius: 21px; }
.phone-a { top: 3px; left: 8%; transform: rotate(-6deg); }
.phone-b { top: 46px; right: 7%; transform: rotate(5deg); }
.case-note { position: absolute; left: 26%; bottom: 0; width: 280px; padding: 17px 18px; border: 1px solid rgba(255,255,255,.16); border-radius: 14px; background: rgba(17,23,34,.93); }
.case-note strong { display: block; margin-bottom: 4px; color: var(--orange); font: 12px var(--mono); }
.case-note span { color: #d1dae6; font-size: 13px; }

.experience-list { border-top: 1px solid var(--line); }
.experience-row { display: grid; grid-template-columns: 180px 1fr 1.3fr; gap: 30px; padding: 28px 0; border-bottom: 1px solid var(--line); }
.experience-date { color: var(--blue); font: 12px var(--mono); }
.experience-role h3 { font-size: 21px; }
.experience-role span { color: var(--muted); font-size: 13px; }
.experience-result { color: #4d596a; font-size: 14px; }

.method { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); }
.method-step { padding: 24px 22px 0 0; margin-right: 22px; border-right: 1px solid var(--line); }
.method-step:last-child { margin-right: 0; border-right: 0; }
.method-step .index { display: block; margin-bottom: 34px; color: var(--blue); font: 12px var(--mono); }
.method-step p { margin: 11px 0 0; color: var(--muted); font-size: 14px; }

.target-panel { display: grid; grid-template-columns: 1fr 1fr; gap: 36px; padding: 34px; border: 1px solid var(--line); border-radius: 22px; background: var(--white); }
.target-panel h2 { font-size: clamp(31px, 4vw, 48px); }
.role-labels { display: flex; flex-wrap: wrap; align-content: center; gap: 10px; }
.role-label { padding: 10px 13px; border: 1px solid #bdc9df; border-radius: 999px; color: #38517d; font: 12px var(--mono); }

.closing { padding: 100px 0; color: var(--white); background: var(--blue); }
.closing h2 { max-width: 820px; }
.closing p { max-width: 650px; margin: 24px 0 30px; color: #dce7ff; font-size: 18px; }
footer { padding: 27px 0; color: #aeb9c9; background: var(--ink); font-size: 13px; }
.footer-inner { display: flex; justify-content: space-between; gap: 24px; }
.footer-links { display: flex; gap: 18px; }
.footer-links a { text-decoration: none; }
.footer-links a:hover { color: var(--white); }

/* Portfolio case */
.case-hero { padding: 88px 0 76px; background: radial-gradient(circle at 85% 15%, #dbe6ff 0, transparent 34%), var(--paper); }
.case-hero h1 { max-width: 900px; margin: 18px 0 24px; }
.case-hero h1 em { color: var(--blue); font-style: normal; }
.case-lead { max-width: 760px; color: #4d596a; font-size: 20px; }
.case-meta { display: flex; flex-wrap: wrap; gap: 9px; margin: 30px 0; }
.case-meta span { padding: 8px 11px; border: 1px solid #becbe3; border-radius: 999px; color: #3d5684; background: rgba(255,255,255,.55); font: 12px var(--mono); }
.two-minute { margin-top: -1px; color: var(--white); background: var(--ink-soft); }
.two-minute-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.quick-proof { padding: 25px 24px; border-right: 1px solid rgba(255,255,255,.12); }
.quick-proof:last-child { border-right: 0; }
.quick-proof strong { display: block; margin-bottom: 6px; color: var(--orange); font: 12px var(--mono); }
.quick-proof span { color: #d4dce7; font-size: 14px; }
.prose h2 { margin: 14px 0 23px; }
.prose > p { max-width: 760px; color: #4d596a; font-size: 17px; }
.problem-grid, .decision-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 15px; margin-top: 34px; }
.evidence-card { padding: 24px; border: 1px solid var(--line); border-radius: 17px; background: var(--white); }
.evidence-card .index { color: var(--blue); font: 12px var(--mono); }
.evidence-card h3 { margin: 25px 0 11px; }
.evidence-card p { margin: 0; color: var(--muted); font-size: 14px; }
.artifact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.artifact-copy h2 { margin: 13px 0 20px; }
.artifact-copy p { color: #bcc7d5; font-size: 17px; }
.feature-list { list-style: none; padding: 0; margin: 24px 0 0; }
.feature-list li { padding: 12px 0; border-top: 1px solid rgba(255,255,255,.13); color: #d1dae6; font-size: 14px; }
.feature-list strong { display: block; color: var(--white); }
.artifact-screen { padding: 15px; border: 1px solid rgba(255,255,255,.16); border-radius: 24px; background: #202b3b; }
.artifact-screen img { display: block; width: 100%; max-height: 620px; object-fit: contain; border-radius: 15px; background: #f7f5ee; }
.validation-table { width: 100%; margin-top: 34px; border-collapse: collapse; background: var(--white); }
.validation-table th, .validation-table td { padding: 16px 14px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; font-size: 14px; }
.validation-table th { color: var(--muted); font: 11px var(--mono); text-transform: uppercase; letter-spacing: .06em; }
.status { display: inline-flex; align-items: center; gap: 7px; white-space: nowrap; font-weight: 700; }
.status::before { content: ''; width: 8px; height: 8px; border-radius: 50%; background: var(--green); }
.status.pending::before { background: var(--orange); }
.failure-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 15px; margin-top: 34px; }
.failure { padding: 24px; border-radius: 17px; background: #222e40; }
.failure .before { color: #96a6bb; font: 11px var(--mono); }
.failure h3 { margin: 18px 0 10px; color: var(--white); }
.failure p { margin: 0; color: #b9c5d4; font-size: 14px; }
.feedback-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-top: 34px; }
.feedback { margin: 0; overflow: hidden; border: 1px solid var(--line); border-radius: 17px; background: var(--white); }
.feedback img { display: block; width: 100%; aspect-ratio: 9/16; object-fit: cover; object-position: top; }
.feedback figcaption { padding: 13px; color: #4e5a6a; font-size: 12px; }
.scorecard { display: grid; grid-template-columns: 1fr .85fr; gap: 48px; align-items: start; }
.scorecard h2 { margin: 14px 0 22px; }
.score-list { counter-reset: score; list-style: none; margin: 0; padding: 0; }
.score-list li { counter-increment: score; display: grid; grid-template-columns: 42px 1fr; gap: 12px; padding: 14px 0; border-top: 1px solid var(--line); color: #4e5a6a; }
.score-list li::before { content: counter(score, decimal-leading-zero); color: var(--blue); font: 12px var(--mono); }
.limit-box { padding: 25px; border: 1px solid #f0d49b; border-radius: 18px; background: #fff7e6; }
.limit-box h3 { margin-bottom: 11px; }
.limit-box p { margin: 0; color: #665b49; font-size: 14px; }

@media (max-width: 900px) {
  .hero-grid, .case-grid, .artifact-grid, .scorecard { grid-template-columns: 1fr; }
  .hero-proof { max-width: 560px; }
  .service-grid, .problem-grid, .decision-grid, .failure-grid { grid-template-columns: 1fr 1fr; }
  .metrics, .two-minute-grid { grid-template-columns: repeat(2, 1fr); }
  .phone-stage { max-width: 600px; }
  .experience-row { grid-template-columns: 150px 1fr; }
  .experience-result { grid-column: 2; }
  .method { grid-template-columns: 1fr 1fr; gap: 28px; }
  .method-step:nth-child(2) { margin-right: 0; border-right: 0; }
  .feedback-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 620px) {
  .wrap, .narrow { width: calc(100% - 32px); }
  .nav-inner { height: 64px; }
  .nav-links { gap: 10px; }
  .nav-links a:not(.nav-cta) { display: none; }
  .brand { font-size: 15px; white-space: nowrap; }
  .nav-cta { padding: 9px 12px; font-size: 0; white-space: nowrap; }
  .nav-cta::after { content: attr(data-short); font-size: 13px; }
  .hero, .case-hero { padding: 58px 0 64px; }
  .hero-lead, .case-lead { font-size: 17px; }
  .hero-proof { padding: 19px; box-shadow: 10px 12px 0 #d5e0f6; }
  .section { padding: 68px 0; }
  .section-head { display: block; }
  .section-intro { margin-top: 17px; }
  .metrics, .service-grid, .problem-grid, .decision-grid, .failure-grid, .two-minute-grid, .target-panel { grid-template-columns: 1fr; }
  .metric { padding-bottom: 10px; }
  .quick-proof { border-right: 0; border-bottom: 1px solid rgba(255,255,255,.12); }
  .service-card { min-height: 0; }
  .service-card .index { margin-bottom: 28px; }
  .phone-stage { min-height: 390px; }
  .phone { width: 166px; }
  .case-note { left: 10%; width: 80%; }
  .experience-row { grid-template-columns: 1fr; gap: 8px; }
  .experience-result { grid-column: auto; }
  .method { grid-template-columns: 1fr; }
  .method-step { margin: 0; padding: 0 0 24px; border-right: 0; border-bottom: 1px solid var(--line); }
  .method-step:last-child { border-bottom: 0; }
  .method-step .index { margin-bottom: 20px; }
  .feedback-grid { gap: 10px; }
  .feedback figcaption { font-size: 11px; }
  .validation-table { display: block; overflow-x: auto; }
  .footer-inner { display: block; }
  .footer-links { margin-top: 10px; }
}

@media print {
  nav, .closing, footer, .actions { display: none !important; }
  body { background: #fff; }
  .section, .case-hero { padding: 36px 0; }
  .dark { color: #111; background: #fff; }
  .dark p, .dark .section-intro, .artifact-copy p, .feature-list li { color: #444; }
  .dark h2, .dark h3, .feature-list strong { color: #111; }
}