:root {
  --ink: #0a1e25;
  --ink-soft: #274650;
  --paper: #f5fbf5;
  --sky: #6cd5ef;
  --sky-pale: #dff8ff;
  --lime: #b8f33d;
  --lime-dark: #719e0e;
  --orange: #ff7a2f;
  --orange-pale: #fff0e6;
  --line: #b8d8d6;
  --white: #ffffff;
  --shadow: 0 18px 45px rgba(10, 30, 37, .14);
  --radius: 24px;
  --display: "Arial Black", "Trebuchet MS", sans-serif;
  --body: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: var(--body); line-height: 1.62; }
a { color: inherit; }
img { display: block; max-width: 100%; }
.skip-link { position: fixed; left: 1rem; top: -5rem; z-index: 100; background: var(--ink); color: white; padding: .7rem 1rem; border-radius: 12px; }
.skip-link:focus { top: 1rem; }
.shell { width: min(1180px, calc(100% - 36px)); margin-inline: auto; }
.site-header { position: sticky; top: 0; z-index: 20; background: rgba(245, 251, 245, .9); backdrop-filter: blur(16px); border-bottom: 1px solid rgba(39, 70, 80, .13); }
.nav-row { min-height: 72px; display: flex; align-items: center; justify-content: space-between; gap: 22px; }
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; font: 900 1.03rem/1 var(--display); letter-spacing: -.035em; }
.brand img { width: 42px; height: 42px; }
.site-nav { display: flex; align-items: center; gap: 6px; }
.site-nav a { text-decoration: none; font-weight: 750; padding: .6rem .75rem; border-radius: 12px; }
.site-nav a:hover, .site-nav a[aria-current="page"] { background: var(--sky-pale); }
.nav-cta { background: var(--ink) !important; color: white; }
.nav-toggle { display: none; border: 1px solid var(--line); background: white; border-radius: 12px; padding: .65rem .8rem; font-weight: 800; }

.hero { position: relative; min-height: 680px; display: grid; align-items: end; overflow: hidden; background: var(--ink); color: white; }
.hero-media, .hero-media::after { position: absolute; inset: 0; }
.hero-media img { width: 100%; height: 100%; object-fit: cover; object-position: center 45%; filter: saturate(.95) contrast(1.03); }
.hero-media::after { content: ""; background: linear-gradient(90deg, rgba(5,23,30,.92) 0%, rgba(5,23,30,.68) 47%, rgba(5,23,30,.12) 78%), linear-gradient(0deg, rgba(5,23,30,.9), transparent 55%); }
.hero-content { position: relative; z-index: 2; padding-block: 112px 74px; max-width: 760px; }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; text-transform: uppercase; letter-spacing: .12em; font-size: .76rem; font-weight: 900; }
.eyebrow::before { content: "+1"; display: grid; place-items: center; width: 34px; height: 24px; color: var(--ink); background: var(--lime); border-radius: 999px; letter-spacing: 0; }
h1, h2, h3 { font-family: var(--display); line-height: 1.04; letter-spacing: -.045em; text-wrap: balance; }
h1 { margin: 20px 0 18px; font-size: clamp(3rem, 7vw, 6.2rem); max-width: 12ch; }
h2 { margin: 0 0 18px; font-size: clamp(2.1rem, 4vw, 3.8rem); }
h3 { margin: 0 0 10px; font-size: 1.35rem; }
.hero p { max-width: 650px; font-size: clamp(1.05rem, 2vw, 1.25rem); color: #d9f4f5; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.button { display: inline-flex; justify-content: center; align-items: center; gap: 8px; min-height: 50px; padding: .78rem 1.1rem; border-radius: 14px; text-decoration: none; font-weight: 900; border: 2px solid transparent; transition: transform .2s ease, box-shadow .2s ease; }
.button:hover { transform: translateY(-2px); }
.button-primary { color: var(--ink); background: var(--lime); box-shadow: 0 10px 24px rgba(184,243,61,.22); }
.button-secondary { color: white; border-color: rgba(255,255,255,.62); background: rgba(10,30,37,.38); }
.button-dark { color: white; background: var(--ink); }
.source-stamp { display: flex; flex-wrap: wrap; gap: 8px 22px; margin-top: 28px; color: #b8dde1; font-size: .86rem; }

.section { padding-block: 90px; }
.section-sky { background: var(--sky-pale); }
.section-dark { background: var(--ink); color: white; }
.section-orange { background: var(--orange-pale); }
.section-head { display: grid; grid-template-columns: minmax(0, 1fr) minmax(260px, .55fr); gap: 40px; align-items: end; margin-bottom: 42px; }
.section-head p { margin: 0; color: var(--ink-soft); }
.section-dark .section-head p { color: #b8dadd; }
.loop { display: grid; grid-template-columns: repeat(5, 1fr); gap: 1px; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: var(--line); box-shadow: var(--shadow); }
.loop-step { background: white; padding: 25px 20px 28px; min-height: 190px; }
.loop-step b { display: grid; place-items: center; width: 40px; height: 40px; border-radius: 50%; background: var(--lime); font-family: var(--display); margin-bottom: 24px; }
.loop-step p { margin: 0; color: var(--ink-soft); }
.split { display: grid; grid-template-columns: 1.05fr .95fr; gap: 54px; align-items: center; }
.shot { border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); transform: rotate(-1.4deg); border: 7px solid white; }
.warning { border-left: 8px solid var(--orange); background: white; padding: 28px; border-radius: 0 var(--radius) var(--radius) 0; box-shadow: var(--shadow); }
.warning .tag { color: #a13e08; font-weight: 900; text-transform: uppercase; letter-spacing: .09em; font-size: .76rem; }
.warning ul { padding-left: 1.2rem; }
.task-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.task-link { position: relative; min-height: 245px; display: flex; flex-direction: column; justify-content: flex-end; overflow: hidden; padding: 26px; border-radius: var(--radius); text-decoration: none; color: white; background: var(--ink); }
.task-link::before { content: ""; position: absolute; inset: 0; background: radial-gradient(circle at 90% 5%, var(--accent, var(--sky)) 0 1px, transparent 2px), linear-gradient(145deg, transparent, rgba(255,255,255,.08)); background-size: 18px 18px, auto; opacity: .5; }
.task-link > * { position: relative; }
.task-link span { color: #c6e5e7; }
.task-link strong { font: 900 1.65rem/1.05 var(--display); max-width: 11ch; margin-top: 10px; }
.task-link:hover strong { text-decoration: underline; text-decoration-color: var(--lime); text-underline-offset: 5px; }

.page-hero { padding: 94px 0 70px; background: linear-gradient(135deg, var(--sky-pale), #f8fff1); border-bottom: 1px solid var(--line); }
.page-hero h1 { font-size: clamp(2.8rem, 6vw, 5.4rem); max-width: 13ch; color: var(--ink); }
.page-hero p { max-width: 760px; font-size: 1.14rem; color: var(--ink-soft); }
.breadcrumb { display: flex; flex-wrap: wrap; gap: 8px; font-size: .85rem; font-weight: 750; color: var(--ink-soft); }
.content-wrap { display: grid; grid-template-columns: minmax(0, 720px) minmax(220px, 1fr); gap: 72px; align-items: start; }
.prose h2 { margin-top: 58px; font-size: clamp(1.9rem, 4vw, 3rem); }
.prose h3 { margin-top: 34px; }
.prose p, .prose li { color: var(--ink-soft); }
.prose strong { color: var(--ink); }
.steps { list-style: none; padding: 0; counter-reset: steps; }
.steps li { position: relative; counter-increment: steps; padding: 2px 0 30px 64px; border-left: 2px solid var(--line); margin-left: 21px; }
.steps li::before { content: counter(steps); position: absolute; left: -22px; top: 0; width: 42px; height: 42px; display: grid; place-items: center; border-radius: 50%; color: var(--ink); background: var(--lime); font: 900 1rem var(--display); }
.check { color: var(--ink); background: var(--sky-pale); padding: 16px 18px; border-radius: 14px; font-weight: 720; }
.aside { position: sticky; top: 98px; border-top: 6px solid var(--lime); padding: 24px; background: white; border-radius: 0 0 20px 20px; box-shadow: var(--shadow); }
.aside a { display: block; padding: 8px 0; color: var(--ink-soft); }
.fact-table { width: 100%; border-collapse: collapse; background: white; border-radius: 18px; overflow: hidden; box-shadow: 0 8px 30px rgba(10,30,37,.08); }
.fact-table th, .fact-table td { text-align: left; padding: 16px; border-bottom: 1px solid var(--line); vertical-align: top; }
.fact-table th { color: var(--ink); width: 28%; }
.status { display: inline-flex; border-radius: 999px; padding: .36rem .7rem; text-transform: uppercase; letter-spacing: .08em; font-size: .72rem; font-weight: 900; background: var(--lime); }

.planner { background: var(--ink); color: white; border-radius: 30px; padding: clamp(24px, 5vw, 52px); box-shadow: var(--shadow); }
.planner-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.field label { display: block; font-weight: 850; margin-bottom: 7px; }
.field small { display: block; color: #a9cdd1; margin-top: 6px; }
.field input { width: 100%; min-height: 54px; border: 2px solid #41616a; border-radius: 14px; padding: 0 14px; background: #102d36; color: white; font: 800 1.05rem var(--body); }
.field input:focus { outline: 3px solid var(--lime); border-color: var(--ink); }
.result { margin-top: 24px; padding: 24px; border-radius: 18px; color: var(--ink); background: var(--lime); }
.result strong { display: block; font: 900 clamp(1.7rem, 4vw, 2.8rem) var(--display); }
.result span { font-weight: 720; }
.formula { margin-top: 22px; padding: 16px; color: #c7e2e4; border: 1px solid #45636b; border-radius: 14px; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: .86rem; overflow-x: auto; }
.empty-status { display: grid; grid-template-columns: auto 1fr; gap: 18px; align-items: start; padding: 26px; background: white; border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); }
.empty-status .icon { width: 54px; height: 54px; display: grid; place-items: center; border-radius: 50%; background: var(--sky-pale); font-size: 1.6rem; }

.site-footer { padding: 62px 0 26px; background: #06171d; color: #b8d7da; }
.footer-grid { display: grid; grid-template-columns: 1.2fr repeat(3, .7fr); gap: 32px; }
.footer-grid h3 { color: white; font-size: 1rem; letter-spacing: 0; }
.footer-grid a { display: block; color: #b8d7da; padding: 4px 0; }
.footer-note { padding-top: 32px; margin-top: 36px; border-top: 1px solid #294149; font-size: .82rem; }
[data-reveal] { opacity: 0; transform: translateY(18px); transition: opacity .55s ease, transform .55s ease; }
[data-reveal="true"] { opacity: 1; transform: none; }

@media (max-width: 900px) {
  .nav-toggle { display: inline-flex; }
  .site-nav { display: none; position: absolute; left: 18px; right: 18px; top: 65px; padding: 12px; flex-direction: column; align-items: stretch; background: white; border: 1px solid var(--line); border-radius: 18px; box-shadow: var(--shadow); }
  .site-nav[data-open="true"] { display: flex; }
  .hero { min-height: 620px; }
  .hero-media::after { background: linear-gradient(0deg, rgba(5,23,30,.94), rgba(5,23,30,.28) 88%); }
  .section-head, .split, .content-wrap, .footer-grid { grid-template-columns: 1fr; }
  .loop { grid-template-columns: 1fr 1fr; }
  .task-grid { grid-template-columns: 1fr 1fr; }
  .aside { position: static; }
}

@media (max-width: 620px) {
  .shell { width: min(100% - 26px, 1180px); }
  .brand span { max-width: 150px; }
  .hero-content { padding-block: 80px 50px; }
  .hero h1 { font-size: 3.05rem; }
  .section { padding-block: 64px; }
  .loop, .task-grid, .planner-grid { grid-template-columns: 1fr; }
  .loop-step { min-height: auto; }
  .actions .button { width: 100%; }
  .page-hero { padding-block: 66px 48px; }
  .page-hero h1 { font-size: 2.9rem; }
  .empty-status { grid-template-columns: 1fr; }
  .fact-table th, .fact-table td { display: block; width: 100%; }
  .fact-table th { border-bottom: 0; padding-bottom: 0; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
  [data-reveal] { opacity: 1; transform: none; }
}