@import url('https://fonts.googleapis.com/css2?family=DM+Mono:wght@400;500&family=Manrope:wght@400;500;600;700;800&family=Noto+Sans+SC:wght@400;500;600;700;800&display=swap');

:root {
  --ink: #10243f;
  --ink-soft: #4e6380;
  --blue: #166bea;
  --blue-dark: #0d4cae;
  --sky: #e8f2ff;
  --sky-strong: #c9e2ff;
  --paper: #f7faff;
  --line: #dbe6f2;
  --white: #ffffff;
  --warm: #f0b958;
  --green: #77b89b;
  --mono: 'DM Mono', monospace;
  --sans: 'Manrope', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: var(--sans); -webkit-font-smoothing: antialiased; }
body, button, input { font-family: var(--sans); }
a { color: inherit; text-decoration: none; }
button { border: 0; cursor: pointer; }
.icon-sprite { position: absolute; width: 0; height: 0; overflow: hidden; }
.icon { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; vertical-align: middle; }
.section-shell { width: min(1200px, calc(100% - 96px)); margin: 0 auto; }
.skip-link { position: fixed; top: -60px; left: 20px; z-index: 20; padding: 12px 16px; background: var(--ink); color: var(--white); }
.skip-link:focus { top: 20px; }

.site-header { position: sticky; top: 0; z-index: 10; display: flex; align-items: center; gap: 40px; min-height: 80px; padding: 0 max(48px, calc((100vw - 1200px) / 2)); background: color-mix(in srgb, var(--paper) 88%, transparent); border-bottom: 1px solid transparent; backdrop-filter: blur(18px); transition: border-color .25s, box-shadow .25s; }
.site-header.is-scrolled { border-bottom-color: var(--line); box-shadow: 0 8px 30px rgba(25, 63, 109, .05); }
.brand { display: inline-flex; align-items: center; gap: 10px; white-space: nowrap; }
.brand-mark { display: inline-flex; gap: 3px; align-items: end; justify-content: center; width: 32px; height: 32px; padding: 6px; background: var(--blue); border-radius: 11px; box-shadow: 0 6px 14px rgba(22, 107, 234, .22); }
.brand-mark i { display: block; width: 5px; background: white; border-radius: 99px; transform: skewY(-16deg); }
.brand-mark i:nth-child(1) { height: 10px; opacity: .55; }
.brand-mark i:nth-child(2) { height: 16px; opacity: .78; }
.brand-mark i:nth-child(3) { height: 20px; }
.brand-name { font-size: 17px; font-weight: 700; letter-spacing: .02em; }
.main-nav { display: flex; gap: 34px; margin: 0 auto; color: var(--ink-soft); font-size: 13px; }
.main-nav a { position: relative; padding: 8px 0; transition: color .2s; }
.main-nav a::after { position: absolute; right: 0; bottom: 0; left: 0; height: 1px; background: var(--blue); content: ''; transform: scaleX(0); transition: transform .2s; transform-origin: right; }
.main-nav a:hover { color: var(--blue); }
.main-nav a:hover::after { transform: scaleX(1); transform-origin: left; }
.header-cta, .button { display: inline-flex; align-items: center; justify-content: center; gap: 10px; min-height: 44px; padding: 0 19px; border-radius: 999px; font-size: 12px; font-weight: 600; letter-spacing: .01em; transition: transform .2s, background .2s, color .2s, box-shadow .2s; }
.header-cta { color: var(--white); background: var(--blue); }
.header-cta .icon, .button .icon { width: 22px; height: 22px; padding: 4px; border-radius: 50%; }
.header-cta .icon, .button-primary .icon { color: var(--blue); background: rgba(255, 255, 255, .94); }
.button-light .icon { color: var(--white); background: var(--blue); }
.button-quiet .icon { color: var(--blue); background: var(--sky); }
.header-cta .icon, .button .icon { transition: transform .2s ease; }
.header-cta:hover .icon, .button:hover .icon { transform: rotate(9deg); }
.header-cta:hover, .button-primary:hover { background: var(--blue-dark); transform: translateY(-2px); box-shadow: 0 10px 24px rgba(22, 107, 234, .18); }
.menu-toggle { display: none; place-items: center; width: 42px; height: 42px; margin-left: auto; color: var(--ink); background: transparent; border-radius: 50%; }
.menu-toggle:hover { color: var(--blue); background: var(--sky); }

.hero { display: grid; grid-template-columns: .9fr 1.1fr; align-items: center; gap: 60px; min-height: 760px; padding-top: 74px; padding-bottom: 88px; }
.hero-copy { padding-bottom: 16px; }
.eyebrow { display: flex; align-items: center; gap: 10px; margin: 0 0 22px; color: var(--blue); font-family: var(--mono); font-size: 10px; letter-spacing: .12em; }
.eyebrow-line { display: inline-block; width: 28px; height: 1px; background: currentColor; }
h1, h2, h3, p { margin-top: 0; }
h1, h2 { letter-spacing: -.06em; }
h1 { margin-bottom: 25px; font-size: clamp(48px, 6vw, 82px); font-weight: 700; line-height: 1.08; }
h1 em, h2 em { color: var(--blue); font-style: normal; }
.hero-lede, .section-intro > p:last-child { color: var(--ink-soft); font-size: 15px; line-height: 1.95; }
.hero-actions { display: flex; gap: 12px; margin-top: 35px; }
.button-primary { color: var(--white); background: var(--blue); }
.button-quiet { color: var(--ink); border: 1px solid var(--line); background: transparent; }
.button-quiet:hover { color: var(--blue); border-color: var(--blue); transform: translateY(-2px); }
.hero-note { display: flex; align-items: center; gap: 8px; margin-top: 38px; color: #7890ad; font-family: var(--mono); font-size: 10px; letter-spacing: .02em; }
.status-dot { width: 6px; height: 6px; background: var(--green); border-radius: 50%; box-shadow: 0 0 0 4px #dcefe5; }

.hero-visual { position: relative; min-height: 530px; padding: 36px 0 50px; }
.hero-visual::before { position: absolute; top: 50px; right: 0; bottom: 42px; left: 0; border: 1px solid #d4e5f8; background: radial-gradient(circle at 50% 30%, rgba(255,255,255,.9), rgba(225,239,255,.38) 54%, transparent 55%), linear-gradient(90deg, transparent 49.8%, rgba(144, 188, 239, .22) 50%, transparent 50.2%), linear-gradient(transparent 49.8%, rgba(144, 188, 239, .22) 50%, transparent 50.2%); background-size: auto, 100% 100%, 100% 100%; content: ''; transform: rotate(-1.5deg); }
.app-window { position: relative; z-index: 1; overflow: hidden; border: 1px solid #cddded; background: var(--white); border-radius: 20px; box-shadow: 22px 32px 60px rgba(32, 75, 127, .16), 0 2px 4px rgba(32, 75, 127, .06); transform: rotate(1.5deg); }
.app-topbar { display: flex; align-items: center; height: 45px; padding: 0 17px; border-bottom: 1px solid #e5edf5; color: #8aa0b7; font-size: 9px; }
.window-dots { display: flex; gap: 4px; margin-right: 18px; }
.window-dots i { display: block; width: 6px; height: 6px; background: #d7e2ed; border-radius: 50%; }
.window-dots i:first-child { background: #f5be7a; }
.window-title { color: #526984; letter-spacing: .04em; }
.window-title b { padding: 0 4px; color: #b5c3d1; font-weight: 400; }
.window-state { display: flex; align-items: center; gap: 4px; margin-left: auto; color: var(--blue); font-family: var(--mono); font-size: 8px; }
.window-state .icon { width: 12px; height: 12px; }
.app-body { display: grid; grid-template-columns: 158px 1fr; min-height: 440px; background: #f5f9fd; }
.app-sidebar { padding: 22px 16px; border-right: 1px solid #e3edf6; background: rgba(250,252,255,.88); }
.side-profile { display: flex; align-items: center; gap: 7px; color: #536b85; font-size: 10px; font-weight: 600; }
.side-profile .icon { width: 12px; height: 12px; margin-left: auto; color: #99adc2; }
.avatar { display: grid; place-items: center; width: 22px; height: 22px; color: white; background: var(--blue); font-family: var(--mono); font-size: 10px; }
.side-label { margin: 28px 0 10px; color: #a0b0c1; font-family: var(--mono); font-size: 7px; letter-spacing: .1em; }
.side-label-bottom { margin-top: 35px; }
.side-item { display: flex; align-items: center; gap: 7px; min-height: 31px; padding: 0 8px; color: #7188a2; border-radius: 9px; font-size: 10px; }
.side-item.is-active { color: #2b5f9e; background: #e8f3ff; border-radius: 9px; font-weight: 600; }
.side-item b { margin-left: auto; color: #a4b6c9; font-family: var(--mono); font-size: 8px; font-weight: 400; }
.side-bullet { width: 6px; height: 6px; border-radius: 50%; }
.side-bullet.blue { background: var(--blue); } .side-bullet.yellow { background: #e8b35a; } .side-bullet.green { background: #78b996; }
.side-item-muted { gap: 9px; color: #99aabd; font-size: 9px; }
.side-item-muted .icon { width: 13px; height: 13px; }
.paper-stage { position: relative; display: grid; place-items: center; min-width: 0; padding: 24px; background-image: radial-gradient(#c6d7e9 0.8px, transparent .8px); background-size: 17px 17px; }
.paper-sheet { position: relative; width: min(340px, 82%); min-height: 370px; padding: 31px 33px; background: #fff; color: #2e4661; box-shadow: 0 18px 30px rgba(60, 96, 135, .12), 0 0 0 1px #dfeaf4; transform: rotate(-3deg); }
.paper-date { color: #a5b5c5; font-family: var(--mono); font-size: 7px; letter-spacing: .12em; }
.paper-sheet h2 { margin: 22px 0 14px; font-size: 20px; font-weight: 700; line-height: 1.45; letter-spacing: -.03em; }
.paper-sheet h2 span { color: #7191b4; font-size: 11px; font-weight: 500; letter-spacing: .02em; }
.paper-rule { height: 1px; margin-bottom: 22px; background: #edf1f5; }
.handwriting { margin: 0; color: var(--blue); font-family: 'KaiTi', 'STKaiti', cursive; font-size: 22px; line-height: 1.5; transform: rotate(-2deg); }
.handwriting em { font-size: 26px; font-style: normal; }
.underline { width: 220px; height: 22px; margin-top: -5px; fill: none; stroke: #77afea; stroke-linecap: round; stroke-width: 1.5; }
.paper-checks { display: flex; flex-direction: column; gap: 10px; margin-top: 24px; color: #7c90a7; font-size: 9px; }
.paper-checks span { display: flex; gap: 8px; align-items: center; }
.check-box { display: grid; place-items: center; width: 13px; height: 13px; border: 1px solid #a9c5e2; color: var(--blue); font-size: 10px; font-style: normal; }
.paper-checks span:last-child .check-box { color: transparent; }
.paper-sketch { position: absolute; top: 164px; right: 25px; width: 83px; color: #4794e3; transform: rotate(8deg); }
.paper-sketch svg { width: 100%; fill: none; stroke: currentColor; stroke-linecap: round; stroke-linejoin: round; stroke-width: 1.6; }
.paper-footer { position: absolute; bottom: 23px; left: 33px; color: #bdc9d6; font-family: var(--mono); font-size: 6px; letter-spacing: .12em; }
.paper-page { position: absolute; right: 29px; bottom: 22px; color: #9eafc1; font-family: var(--mono); font-size: 8px; }
.floating-tool { position: absolute; right: 10%; bottom: 16px; display: flex; align-items: center; gap: 10px; padding: 7px 13px 7px 7px; border: 1px solid #d8e6f3; background: rgba(255,255,255,.95); border-radius: 999px; color: #87a0b9; box-shadow: 0 8px 22px rgba(39, 88, 139, .13); }
.floating-tool span { display: grid; place-items: center; width: 27px; height: 27px; border-radius: 50%; }
.floating-tool .tool-selected { color: var(--blue); background: #eaf4ff; box-shadow: inset 0 0 0 1px #cde2fa; }
.floating-tool i { display: block; width: 1px; height: 20px; background: #e2eaf2; }
.floating-tool b { display: block; width: 10px; height: 10px; border-radius: 50%; }
.color-blue { background: var(--blue); } .color-ink { background: var(--ink); } .color-warm { background: var(--warm); }
.hero-orbit { position: absolute; z-index: 2; display: flex; align-items: center; gap: 10px; padding: 8px 12px; border: 1px solid #d3e5f8; color: #7891ad; background: rgba(255,255,255,.86); border-radius: 999px; box-shadow: 0 8px 20px rgba(48, 104, 165, .08); font-family: var(--mono); font-size: 9px; letter-spacing: .03em; animation: float-label 5s ease-in-out infinite; }
.hero-orbit i { display: block; width: 6px; height: 6px; border: 1px solid var(--blue); background: var(--paper); border-radius: 50%; box-shadow: 0 0 0 4px #dcecff; }
.orbit-top { top: 4px; right: 9%; } .orbit-bottom { bottom: 5px; left: 9%; animation-delay: -2.2s; }
.hero-caption { position: absolute; right: 0; bottom: 9px; left: 0; display: flex; justify-content: space-between; color: #8ba0b8; font-family: var(--mono); font-size: 9px; letter-spacing: .03em; }

.signal-strip { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: #f0f6fd; }
.signal-inner { display: flex; align-items: center; justify-content: space-between; min-height: 58px; color: #85a0bd; font-family: var(--mono); font-size: 9px; letter-spacing: .12em; }
.signal-inner i { width: 4px; height: 4px; background: #9bb9d8; border-radius: 50%; }

.product { display: grid; grid-template-columns: .78fr 1.22fr; gap: 90px; padding-top: 150px; padding-bottom: 160px; }
.section-intro h2, .about-heading h2 { margin: 0 0 20px; font-size: clamp(36px, 4.2vw, 56px); font-weight: 700; line-height: 1.15; }
.section-intro > p:last-child { margin-bottom: 0; }
.product-showcase { align-self: center; overflow: hidden; border: 1px solid #ccdeef; background: var(--white); border-radius: 20px; box-shadow: 0 20px 46px rgba(24, 80, 143, .09); }
.product-tabs { display: flex; gap: 5px; padding: 7px; border-bottom: 1px solid #e0ebf5; background: #fbfdff; }
.product-tab { display: flex; flex: 1; align-items: center; justify-content: center; gap: 10px; min-height: 38px; color: #8ba0b6; background: transparent; border-radius: 999px; font-size: 11px; transition: color .2s, background .2s, transform .2s; }
.product-tab span { color: #b3c2d2; font-family: var(--mono); font-size: 9px; }
.product-tab:hover { color: var(--blue); transform: translateY(-1px); }
.product-tab.is-active { color: var(--blue); background: #f1f7ff; box-shadow: inset 0 0 0 1px #d7e9fb; }
.product-tab.is-active span { color: var(--blue); }
.feature-canvas { position: relative; display: grid; grid-template-columns: 1fr .9fr; min-height: 305px; overflow: hidden; background: #f5f9fd; }
.canvas-heading { z-index: 1; padding: 44px 0 30px 42px; }
.canvas-kicker { color: #81a3c8; font-family: var(--mono); font-size: 8px; letter-spacing: .1em; }
.canvas-heading h3 { margin: 16px 0 11px; font-size: 25px; font-weight: 700; line-height: 1.3; letter-spacing: -.05em; }
.canvas-heading p { max-width: 210px; margin: 0; color: #7890aa; font-size: 11px; line-height: 1.8; }
.canvas-art { position: relative; min-width: 0; background-image: radial-gradient(#c5d7e9 .8px, transparent .8px); background-size: 15px 15px; }
.mini-paper { position: absolute; top: 39px; left: 4%; width: min(245px, 100%); height: 225px; padding: 23px; background: white; box-shadow: 0 14px 30px rgba(54, 95, 137, .14); transform: rotate(4deg); }
.mini-paper small { color: #a3b4c4; font-family: var(--mono); font-size: 7px; }
.mini-paper strong { display: block; margin-top: 18px; color: #304963; font-size: 15px; line-height: 1.5; }
.mini-paper svg { width: 180px; fill: none; stroke: #81b5eb; stroke-linecap: round; stroke-width: 1.4; }
.mini-note { position: absolute; right: 22px; bottom: 37px; color: var(--blue); font-family: 'KaiTi', cursive; font-size: 13px; line-height: 1.4; transform: rotate(-6deg); }
.mini-note em { font-size: 16px; font-style: normal; }
.mini-star { position: absolute; top: 26px; right: 23px; color: var(--warm); font-size: 18px; }
.art-tag { position: absolute; display: flex; align-items: center; gap: 7px; padding: 9px 11px; border: 1px solid #dce9f6; background: rgba(255,255,255,.92); border-radius: 999px; color: #6482a2; box-shadow: 0 8px 22px rgba(42, 92, 146, .1); font-size: 9px; }
.art-tag .icon { width: 13px; height: 13px; color: var(--blue); }
.tag-one { right: 5%; bottom: 33px; transform: rotate(-4deg); } .tag-two { top: 21px; right: 13%; transform: rotate(5deg); }
.feature-canvas[data-canvas="organize"] .mini-paper { transform: rotate(-2deg); }
.feature-canvas[data-canvas="organize"] .mini-paper svg { stroke: #e8b35a; }
.feature-canvas[data-canvas="organize"] .mini-note { color: #ae7c24; transform: rotate(4deg); }
.feature-canvas[data-canvas="organize"] .tag-one .icon { color: #e8b35a; }
.feature-canvas[data-canvas="connect"] .mini-paper { transform: rotate(1deg); }
.feature-canvas[data-canvas="connect"] .mini-paper svg { stroke: #77b89b; }
.feature-canvas[data-canvas="connect"] .mini-note { color: #3d8a67; transform: rotate(-2deg); }
.feature-canvas[data-canvas="connect"] .tag-one .icon { color: #77b89b; }
.canvas-meta { display: flex; justify-content: space-between; min-height: 43px; padding: 0 18px; border-top: 1px solid #e0ebf4; color: #9caec0; font-family: var(--mono); font-size: 8px; align-items: center; }
.canvas-meta span:last-child { display: flex; align-items: center; gap: 5px; color: var(--blue); }
.canvas-meta .icon { width: 12px; height: 12px; }

.philosophy { padding: 140px 0 150px; background: #e9f3ff; }
.philosophy-grid { display: grid; grid-template-columns: .85fr 1.15fr; gap: 100px; }
.principle-list { border-top: 1px solid #c8ddf1; }
.principle { display: grid; grid-template-columns: 76px 1fr 18px; gap: 22px; align-items: start; padding: 25px 0; border-bottom: 1px solid #c8ddf1; }
.principle-number { color: #86a8c9; font-family: var(--mono); font-size: 9px; }
.principle h3 { margin: 0 0 9px; font-size: 16px; letter-spacing: -.02em; }
.principle p { max-width: 390px; margin: 0; color: #6f89a5; font-size: 12px; line-height: 1.75; }
.principle > .icon { width: 26px; height: 26px; margin-top: 0; padding: 5px; border: 1px solid #c2dcf5; color: var(--blue); background: rgba(255,255,255,.45); border-radius: 50%; }

.about { padding-top: 150px; padding-bottom: 155px; }
.about-heading { display: flex; align-items: end; justify-content: space-between; border-bottom: 1px solid var(--line); padding-bottom: 43px; }
.about-heading .eyebrow { margin-bottom: 0; }
.about-heading h2 { margin-bottom: 0; }
.about-content { display: grid; grid-template-columns: 1fr 1fr; gap: 100px; padding-top: 54px; }
.about-quote { max-width: 430px; }
.quote-icon { width: 25px; height: 25px; fill: none; stroke: var(--blue); stroke-width: 1.4; }
.about-quote p { margin: 18px 0 23px; color: #526b86; font-size: 15px; line-height: 1.9; }
.about-quote span { color: #91a7bd; font-family: var(--mono); font-size: 9px; letter-spacing: .08em; }
.about-stats { display: grid; grid-template-columns: repeat(3, 1fr); align-items: start; border-left: 1px solid var(--line); }
.about-stats > div { min-height: 110px; padding-left: 24px; border-right: 1px solid var(--line); }
.about-stats strong { display: block; color: var(--blue); font-size: 32px; font-weight: 700; letter-spacing: -.05em; }
.about-stats span { display: block; margin: 7px 0 5px; color: #5c7592; font-size: 12px; }
.about-stats small { display: block; color: #a0b0c0; font-size: 9px; line-height: 1.5; }

.contact { padding: 90px 0; background: var(--ink); color: var(--white); }
.contact-inner { display: flex; align-items: end; justify-content: space-between; gap: 40px; }
.eyebrow-light { color: #90c1f8; }
.contact h2 { margin: 0 0 17px; font-size: clamp(38px, 4.5vw, 60px); line-height: 1.1; }
.contact h2 em { color: #80baff; }
.contact p:not(.eyebrow) { max-width: 460px; margin: 0; color: #9eb2ca; font-size: 13px; line-height: 1.85; }
.contact-action { display: flex; flex-direction: column; align-items: flex-start; gap: 12px; min-width: 190px; }
.button-light { color: var(--ink); background: var(--white); }
.button-light:hover { color: var(--blue); background: #eaf4ff; transform: translateY(-2px); }
.contact-action > span { color: #758ca8; font-family: var(--mono); font-size: 8px; }

.site-footer { background: var(--white); color: #62676f; letter-spacing: 0; }
.footer-inner { padding-top: 76px; padding-bottom: 34px; }
.footer-directory { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 48px; }
.footer-column { min-width: 0; }
.footer-column h2 { margin: 0 0 18px; color: #6b7078; font-size: 14px; font-weight: 700; line-height: 1.5; letter-spacing: 0; }
.footer-column ul { margin: 0; padding: 0; list-style: none; }
.footer-column a { display: inline-flex; align-items: center; min-height: 40px; font-size: 14px; line-height: 1.7; overflow-wrap: anywhere; transition: color .2s; }
.site-footer a:hover { color: var(--blue); }
.site-footer a:focus-visible { border-radius: 4px; outline: 2px solid var(--blue); outline-offset: 5px; }
.footer-bottom { display: flex; flex-direction: column; align-items: center; margin-top: 76px; text-align: center; }
.footer-brand { gap: 10px; color: var(--ink); }
.footer-brand .brand-mark { box-shadow: none; }
.footer-brand .brand-name { font-size: 16px; letter-spacing: 0; }
.footer-copyright { margin: 26px 0 4px; color: #777c84; font-size: 13px; line-height: 1.8; }
.footer-icp { display: inline-flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 5px; min-height: 40px; color: #777c84; font-size: 12px; font-weight: 400; line-height: 1.5; }
.footer-icp:hover { text-decoration: underline; text-underline-offset: 4px; }
.footer-icp .icon { width: 14px; height: 14px; flex-shrink: 0; }
main [id] { scroll-margin-top: 100px; }
.toast { position: fixed; right: 24px; bottom: 24px; z-index: 20; max-width: 340px; padding: 13px 16px; border: 1px solid #bcd9f6; background: var(--white); border-radius: 16px; color: #3e5e81; box-shadow: 0 14px 35px rgba(26, 67, 111, .18); font-size: 12px; opacity: 0; transform: translateY(15px); pointer-events: none; transition: opacity .2s, transform .2s; }
.toast.is-visible { opacity: 1; transform: translateY(0); }

@keyframes float-label { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-5px); } }

.reveal { opacity: 0; transform: translateY(22px); transition: opacity .65s ease, transform .65s ease; }
.reveal-delay { transition-delay: .12s; }
.reveal.is-visible { opacity: 1; transform: translateY(0); }

@media (max-width: 900px) {
  .section-shell { width: min(100% - 48px, 680px); }
  .site-header { min-height: 70px; padding: 0 24px; gap: 0; }
  .menu-toggle { display: grid; place-items: center; width: 42px; height: 42px; }
  .main-nav { position: absolute; top: 70px; right: 16px; left: 16px; display: none; flex-direction: column; gap: 0; padding: 9px; border: 1px solid var(--line); background: rgba(255,255,255,.97); box-shadow: 0 12px 30px rgba(39, 82, 130, .11); }
  .main-nav.is-open { display: flex; }
  .main-nav a { padding: 13px 12px; }
  .header-cta { margin-left: 12px; min-height: 40px; padding: 0 13px; font-size: 11px; }
  .hero { display: block; min-height: 0; padding-top: 80px; padding-bottom: 84px; }
  .hero-copy { max-width: 590px; }
  .hero-visual { margin-top: 66px; }
  .product { display: block; padding-top: 100px; padding-bottom: 110px; }
  .product-showcase { margin-top: 60px; }
  .philosophy { padding: 100px 0 110px; }
  .philosophy-grid { display: block; }
  .principle-list { margin-top: 60px; }
  .about { padding-top: 105px; padding-bottom: 115px; }
  .about-heading { display: block; }
  .about-heading .eyebrow { margin-bottom: 35px; }
  .about-content { display: block; padding-top: 45px; }
  .about-stats { margin-top: 65px; }
  .contact { padding: 75px 0; }
  .contact-inner { display: block; }
  .contact-action { margin-top: 38px; }
  .footer-directory { gap: 24px; }
}

@media (max-width: 580px) {
  .section-shell { width: calc(100% - 36px); }
  .site-header { padding: 0 18px; }
  .brand-name { font-size: 15px; }
  .header-cta { display: none; }
  h1 { font-size: 50px; }
  .hero-lede { font-size: 13px; }
  .hero-actions { flex-wrap: wrap; }
  .hero-note { margin-top: 27px; font-size: 8px; }
  .hero-visual { min-height: 400px; margin-top: 45px; padding-top: 26px; }
  .app-body { grid-template-columns: 1fr; min-height: 340px; }
  .app-sidebar { display: none; }
  .paper-stage { min-height: 340px; padding: 16px; }
  .paper-sheet { width: min(275px, 90%); min-height: 305px; padding: 23px 25px; }
  .paper-sheet h2 { margin-top: 16px; font-size: 17px; }
  .paper-sheet h2 span { font-size: 9px; }
  .handwriting { font-size: 18px; }.handwriting em { font-size: 21px; }
  .paper-sketch { top: 132px; right: 17px; width: 68px; }
  .paper-checks { margin-top: 13px; font-size: 7px; gap: 6px; }
  .paper-footer { left: 25px; bottom: 17px; font-size: 5px; }.paper-page { bottom: 16px; right: 19px; }
  .floating-tool { right: 50%; transform: translateX(50%) scale(.82); transform-origin: bottom center; }
  .hero-caption { bottom: 0; font-size: 7px; }
  .orbit-top { top: 0; right: 0; font-size: 7px; }.orbit-bottom { bottom: -3px; left: 0; font-size: 7px; }
  .signal-inner { gap: 9px; min-height: 54px; font-size: 6px; letter-spacing: .06em; }
  .product { padding-top: 80px; padding-bottom: 90px; }
  .section-intro h2, .about-heading h2 { font-size: 39px; }
  .product-showcase { margin-top: 42px; }
  .product-tabs { overflow-x: auto; }
  .product-tab { min-width: 110px; font-size: 10px; }
  .feature-canvas { display: block; min-height: 460px; }
  .canvas-heading { padding: 29px 27px 0; }
  .canvas-heading h3 { font-size: 22px; }
  .canvas-heading p { max-width: none; }
  .canvas-art { position: absolute; right: 0; bottom: 0; left: 0; height: 285px; }
  .mini-paper { top: 35px; left: 18%; width: 58%; height: 210px; }
  .art-tag { font-size: 8px; }.tag-one { right: 4%; bottom: 26px; }.tag-two { top: 19px; right: 8%; }
  .canvas-meta { font-size: 7px; }
  .principle { grid-template-columns: 58px 1fr 15px; gap: 10px; }.principle h3 { font-size: 14px; }.principle p { font-size: 11px; }
  .about-stats > div { padding-left: 12px; }.about-stats strong { font-size: 24px; }.about-stats span { font-size: 10px; }.about-stats small { font-size: 7px; }
  .footer-inner { padding-top: 48px; padding-bottom: 24px; }
  .footer-directory { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 32px 24px; }
  .footer-column h2 { margin-bottom: 12px; }
  .footer-column a { min-height: 44px; font-size: 13px; }
  .footer-bottom { margin-top: 48px; }
  .footer-copyright { font-size: 12px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}