:root {
  --ink: #173c39;
  --ink-strong: #102f2d;
  --text: #315653;
  --muted: #6f8986;
  --green: #2f7f73;
  --green-dark: #23695f;
  --mint: #dff2ea;
  --mint-soft: #f0f8f4;
  --lime: #eef3c5;
  --peach: #f8e3d4;
  --blue: #e5edf9;
  --paper: #f7f8f4;
  --white: #fff;
  --line: #dbe6e1;
  --line-strong: #c8d9d2;
  --shadow-sm: 0 8px 24px rgba(27, 72, 67, .07);
  --shadow-md: 0 20px 50px rgba(27, 72, 67, .12);
  --shadow-lg: 0 34px 90px rgba(27, 72, 67, .18);
  --radius-sm: 14px;
  --radius: 22px;
  --radius-lg: 32px;
  --font: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Segoe UI", sans-serif;
  --serif: "STZhongsong", "Songti SC", "Noto Serif CJK SC", serif;
  --max: 1240px;
}

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

html { scroll-behavior: smooth; scroll-padding-top: 84px; }

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--font);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body.menu-open { overflow: hidden; }
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }
p, h1, h2, h3 { margin: 0; }
svg { fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }

.container { width: min(var(--max), calc(100% - 48px)); margin: 0 auto; }
.section { padding: 118px 0; }

.section-heading { margin-bottom: 58px; }
.section-heading h2 {
  color: var(--ink-strong);
  font-family: var(--serif);
  font-size: clamp(34px, 4.2vw, 54px);
  font-weight: 700;
  letter-spacing: -.035em;
  line-height: 1.18;
}
.section-heading > p,
.split-heading > p {
  color: var(--text);
  font-size: 17px;
  line-height: 1.9;
}
.split-heading {
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(340px, .68fr);
  gap: 90px;
  align-items: end;
}
.split-heading > p { padding-bottom: 4px; }
.centered { max-width: 780px; margin-left: auto; margin-right: auto; text-align: center; }
.centered p { margin-top: 18px; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 20px;
  color: var(--green);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .16em;
}
.eyebrow::before { content: ""; width: 24px; height: 1px; background: currentColor; }

.reveal { opacity: 0; transform: translateY(20px); transition: opacity .65s ease, transform .65s ease; }
.reveal.visible { opacity: 1; transform: none; }
.delay-one { transition-delay: .09s; }
.delay-two { transition-delay: .18s; }

/* Navigation */
.site-nav {
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  border-bottom: 1px solid transparent;
  transition: background .25s, border-color .25s, box-shadow .25s;
}
.site-nav.scrolled {
  background: rgba(247, 248, 244, .88);
  border-color: rgba(200, 217, 210, .8);
  box-shadow: 0 8px 28px rgba(24, 61, 57, .05);
  backdrop-filter: blur(18px) saturate(150%);
}
.nav-inner { height: 78px; display: flex; align-items: center; justify-content: space-between; }
.nav-brand { display: inline-flex; align-items: center; gap: 11px; }
.nav-brand img { width: 43px; height: 43px; object-fit: contain; filter: drop-shadow(0 5px 8px rgba(70, 84, 180, .18)); }
.nav-brand > span { display: flex; flex-direction: column; line-height: 1.05; }
.nav-brand strong { color: var(--ink-strong); font-size: 19px; }
.nav-brand small { margin-top: 5px; color: var(--muted); font-size: 8px; font-weight: 700; letter-spacing: .28em; }
.nav-links { display: flex; align-items: center; gap: 34px; color: var(--text); font-size: 14px; }
.nav-links a { position: relative; padding: 27px 0; }
.nav-links a::after { content: ""; position: absolute; inset: auto 50% 18px; height: 1.5px; background: var(--green); transition: left .2s, right .2s; }
.nav-links a:hover::after { left: 0; right: 0; }
.nav-actions { display: flex; align-items: center; gap: 12px; }
.nav-github { display: flex; align-items: center; gap: 7px; color: var(--text); font-size: 13px; }
.nav-github svg { width: 19px; height: 19px; fill: currentColor; stroke: none; }
.nav-toggle { display: none; width: 42px; height: 42px; border: 1px solid var(--line); border-radius: 12px; background: #fff; }
.nav-toggle span { display: block; width: 17px; height: 1.5px; margin: 5px auto; background: var(--ink); transition: transform .2s; }

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 50px;
  padding: 0 24px;
  border: 1px solid transparent;
  border-radius: 13px;
  font-size: 15px;
  font-weight: 650;
  transition: transform .18s, box-shadow .18s, border-color .18s, background .18s;
}
.button:hover { transform: translateY(-2px); }
.button svg { width: 18px; height: 18px; }
.button-small { min-height: 42px; padding: 0 18px; color: #fff; background: var(--green); font-size: 13px; }
.button-small:hover { background: var(--green-dark); box-shadow: 0 10px 26px rgba(47, 127, 115, .2); }
.button-primary { color: #fff; background: var(--green); box-shadow: 0 15px 32px rgba(47, 127, 115, .25); }
.button-primary:hover { background: var(--green-dark); box-shadow: 0 20px 42px rgba(47, 127, 115, .3); }
.button-secondary { color: var(--ink); background: rgba(255,255,255,.75); border-color: var(--line-strong); }
.button-secondary:hover { border-color: var(--green); background: #fff; }

/* Hero */
.hero {
  position: relative;
  min-height: 900px;
  padding: 154px 0 0;
  overflow: hidden;
  background:
    radial-gradient(circle at 10% 18%, rgba(225, 239, 251, .82), transparent 30%),
    radial-gradient(circle at 92% 12%, rgba(216, 242, 232, .84), transparent 30%),
    linear-gradient(180deg, #fafbf8 0%, #f5f8f3 78%, #edf5f0 100%);
}
.hero::before {
  content: "";
  position: absolute;
  left: -70px;
  top: 176px;
  width: 270px;
  height: 340px;
  border: 1px solid rgba(47, 127, 115, .08);
  border-radius: 48% 52% 61% 39%;
  transform: rotate(18deg);
}
.hero-orb { position: absolute; border-radius: 50%; filter: blur(2px); pointer-events: none; }
.hero-orb-one { width: 460px; height: 460px; right: -240px; top: 200px; border: 75px solid rgba(238, 243, 197, .3); }
.hero-orb-two { width: 140px; height: 140px; left: 8%; top: 70%; background: rgba(248, 227, 212, .35); }
.hero-inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: .83fr 1.17fr;
  gap: 58px;
  align-items: center;
}
.status-pill { display: inline-flex; align-items: center; gap: 10px; padding: 8px 14px; color: var(--green-dark); background: rgba(255,255,255,.72); border: 1px solid var(--line); border-radius: 999px; font-size: 12px; font-weight: 650; box-shadow: var(--shadow-sm); }
.status-pill i { width: 8px; height: 8px; border: 2px solid #fff; border-radius: 50%; background: #65b69a; box-shadow: 0 0 0 3px rgba(101,182,154,.18); }
.hero h1 { margin: 24px 0 24px; color: var(--ink-strong); font-family: var(--serif); font-size: clamp(50px, 5.3vw, 73px); font-weight: 700; letter-spacing: -.055em; line-height: 1.08; }
.hero h1 em { color: var(--green); font-style: normal; }
.hero-lead { max-width: 585px; color: var(--text); font-size: 18px; line-height: 1.9; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 13px; margin-top: 32px; }
.hero-notes { display: flex; flex-wrap: wrap; gap: 18px; margin-top: 24px; color: var(--muted); font-size: 12px; }
.hero-notes span { display: inline-flex; align-items: center; gap: 5px; }
.hero-notes svg { width: 14px; height: 14px; color: var(--green); stroke-width: 2.2; }
.hero-product { position: relative; padding: 34px 0 48px; }
.product-window { overflow: hidden; width: 760px; max-width: 100%; border: 1px solid rgba(180, 202, 194, .9); border-radius: 22px; background: #fff; box-shadow: var(--shadow-lg); }
.window-bar { height: 41px; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; padding: 0 15px; border-bottom: 1px solid var(--line); background: #fbfcfa; color: var(--muted); font-size: 10px; }
.window-dots { display: flex; gap: 6px; }
.window-dots i { width: 8px; height: 8px; border-radius: 50%; background: #d4dfdb; }
.window-dots i:first-child { background: #efb8a0; }
.window-dots i:nth-child(2) { background: #ebdc94; }
.window-dots i:nth-child(3) { background: #9fcfba; }
.window-live { justify-self: end; display: flex; align-items: center; gap: 5px; font-size: 9px; font-weight: 700; letter-spacing: .1em; }
.window-live i { width: 6px; height: 6px; border-radius: 50%; background: #62ad91; }
.product-window > img { width: 100%; aspect-ratio: 16/9; object-fit: cover; object-position: top; }
.float-card { position: absolute; z-index: 3; display: flex; align-items: center; gap: 11px; padding: 13px 17px; border: 1px solid rgba(208, 222, 216, .88); border-radius: 15px; background: rgba(255,255,255,.93); box-shadow: var(--shadow-md); backdrop-filter: blur(12px); }
.float-card > span:last-child { display: flex; flex-direction: column; }
.float-card b { color: var(--ink-strong); font-size: 12px; }
.float-card small { margin-top: 2px; color: var(--muted); font-size: 10px; }
.float-icon { width: 34px; height: 34px; display: grid !important; place-items: center; border-radius: 10px; }
.float-icon svg { width: 18px; height: 18px; }
.float-review { left: -28px; bottom: 6px; }
.float-offer { right: -22px; top: 1px; }
.mint { background: var(--mint); color: var(--green); }
.peach { background: var(--peach); color: #bd714c; }
.lime { background: var(--lime); color: #78832e; }
.blue { background: var(--blue); color: #5276a8; }
.proof-strip { position: relative; z-index: 4; display: grid; grid-template-columns: repeat(4, 1fr); margin-top: 72px; border-top: 1px solid var(--line-strong); }
.proof-strip div { display: flex; flex-direction: column; padding: 30px 32px 34px; border-right: 1px solid var(--line-strong); }
.proof-strip div:first-child { padding-left: 0; }
.proof-strip div:last-child { border-right: 0; }
.proof-strip strong { color: var(--ink-strong); font-family: var(--serif); font-size: 27px; }
.proof-strip span { color: var(--muted); font-size: 12px; }

/* What's new */
.new-section { background: #fff; }
.new-grid { display: grid; grid-template-columns: 1.18fr .82fr .82fr; gap: 18px; }
.new-card { position: relative; overflow: hidden; min-height: 318px; padding: 34px; border: 1px solid var(--line); border-radius: var(--radius); background: #fbfcfa; }
.new-card h3 { margin: 14px 0 12px; color: var(--ink-strong); font-family: var(--serif); font-size: 26px; line-height: 1.3; }
.new-card p { color: var(--text); font-size: 14px; line-height: 1.85; }
.card-index { color: var(--green); font-size: 10px; font-weight: 700; letter-spacing: .18em; }
.new-card-library { grid-column: 1 / -1; min-height: 475px; display: grid; grid-template-columns: .78fr 1.22fr; gap: 38px; padding: 45px; background: linear-gradient(135deg, #f0f8f4, #f9fbf8 52%, #f8f2e9); }
.new-card-library::before { content: ""; position: absolute; right: -90px; bottom: -130px; width: 360px; height: 360px; border: 64px solid rgba(47,127,115,.045); border-radius: 50%; }
.new-card-copy { position: relative; z-index: 2; align-self: center; }
.new-card-library h3 { font-size: 34px; }
.check-list { list-style: none; margin: 24px 0 0; padding: 0; }
.check-list li { display: flex; align-items: center; gap: 10px; margin-top: 11px; color: var(--ink); font-size: 13px; }
.check-list li::before { content: "✓"; width: 22px; height: 22px; display: grid; place-items: center; border-radius: 50%; color: var(--green); background: #fff; border: 1px solid var(--line); font-size: 11px; font-weight: 800; }
.image-button { position: relative; align-self: center; overflow: hidden; padding: 0; border: 0; border-radius: 18px; background: #fff; box-shadow: var(--shadow-md); cursor: zoom-in; transition: transform .25s, box-shadow .25s; }
.image-button:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }
.image-button img { aspect-ratio: 16/9; width: 100%; object-fit: cover; object-position: top; }
.image-button span { position: absolute; right: 14px; bottom: 14px; padding: 8px 13px; border-radius: 999px; color: #fff; background: rgba(20,60,56,.86); font-size: 11px; backdrop-filter: blur(8px); }
.new-card-chat { background: linear-gradient(150deg, #e7f6ef, #f8fbf8); }
.new-card-files { background: linear-gradient(150deg, #fbefdf, #fffaf4); }
.new-card-tools { grid-column: span 2; display: grid; grid-template-columns: 1fr 190px; gap: 24px; background: linear-gradient(145deg, #f7f8f4, #edf5f1); }
.new-card-model { background: linear-gradient(145deg, #edf2fa, #fafbfc); }
.new-icon { position: absolute; top: 32px; right: 32px; width: 48px; height: 48px; display: grid; place-items: center; border-radius: 15px; color: var(--green); background: rgba(255,255,255,.75); border: 1px solid var(--line); }
.new-icon svg { width: 23px; height: 23px; }
.micro-tags { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 24px; }
.micro-tags span, .provider-row span { padding: 7px 10px; border: 1px solid rgba(171,199,188,.65); border-radius: 999px; color: var(--green-dark); background: rgba(255,255,255,.68); font-size: 10px; }
.file-stack { height: 91px; margin: 28px 0 8px; display: flex; align-items: end; justify-content: center; }
.file-stack i { width: 68px; height: 84px; display: grid; place-items: center; margin-left: -16px; border: 1px solid rgba(204,176,148,.5); border-radius: 10px; color: #a46b47; background: rgba(255,255,255,.8); font-size: 9px; font-style: normal; font-weight: 800; letter-spacing: .1em; box-shadow: 0 10px 20px rgba(144, 93, 57, .08); transform: rotate(-8deg); }
.file-stack i:first-child { margin-left: 0; }
.file-stack i:nth-child(2) { transform: translateY(-9px); z-index: 2; color: var(--green); border-color: var(--line); }
.file-stack i:nth-child(3) { transform: rotate(8deg); }
.tool-options { display: flex; flex-direction: column; gap: 8px; align-self: center; }
.tool-options span { padding: 13px 15px; border: 1px solid var(--line); border-radius: 11px; color: var(--muted); background: rgba(255,255,255,.6); font-size: 12px; }
.tool-options span.active { color: #fff; background: var(--green); border-color: var(--green); box-shadow: 0 10px 24px rgba(47,127,115,.18); }
.text-link { display: inline-flex; gap: 8px; margin-top: 24px; color: var(--green); font-size: 13px; font-weight: 700; }
.provider-row { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 26px; }
.provider-row span:last-child { width: 29px; text-align: center; color: #fff; background: var(--green); border-color: var(--green); }

/* Workflow */
.workflow-section { position: relative; overflow: hidden; background: #f0f5f0; }
.workflow-section::before { content: "OFFER"; position: absolute; right: -20px; bottom: -60px; color: rgba(47,127,115,.035); font-size: 230px; font-weight: 900; letter-spacing: -.07em; }
.workflow { position: relative; display: grid; grid-template-columns: repeat(5, 1fr); gap: 20px; }
.workflow-line { position: absolute; left: 10%; right: 10%; top: 72px; height: 1px; background: var(--line-strong); }
.workflow article { position: relative; z-index: 2; text-align: center; }
.workflow article > span { display: block; margin-bottom: 19px; color: var(--muted); font-size: 9px; letter-spacing: .16em; }
.workflow article > i { width: 66px; height: 66px; display: grid; place-items: center; margin: 0 auto 21px; border: 1px solid var(--line-strong); border-radius: 50%; color: var(--green); background: #f9fbf8; box-shadow: 0 0 0 10px #f0f5f0; font-style: normal; }
.workflow article:nth-of-type(3) > i, .workflow article:nth-of-type(5) > i { background: var(--mint); }
.workflow svg { width: 25px; height: 25px; }
.workflow h3 { color: var(--ink-strong); font-family: var(--serif); font-size: 19px; }
.workflow p { max-width: 170px; margin: 8px auto 0; color: var(--muted); font-size: 12px; }

/* Features */
.feature-section { background: #fff; }
.feature-grid { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.feature-card { position: relative; min-height: 300px; padding: 34px 28px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); transition: background .22s, transform .22s; }
.feature-card:hover { z-index: 2; background: #f5faf7; transform: translateY(-4px); box-shadow: var(--shadow-sm); }
.feature-number { position: absolute; top: 25px; right: 25px; color: #aabdb7; font-size: 9px; letter-spacing: .12em; }
.feature-icon { width: 51px; height: 51px; display: grid; place-items: center; margin-bottom: 27px; border-radius: 15px; }
.feature-icon svg { width: 24px; height: 24px; }
.feature-card h3 { margin-bottom: 12px; color: var(--ink-strong); font-family: var(--serif); font-size: 20px; line-height: 1.4; }
.feature-card p { color: var(--muted); font-size: 13px; line-height: 1.8; }

/* Gallery */
.gallery-section { overflow: hidden; background: linear-gradient(180deg, #f3f7f3, #eef3ef); }
.gallery-tabs { display: flex; justify-content: center; flex-wrap: wrap; gap: 8px; margin-bottom: 34px; }
.gallery-tab { padding: 9px 15px; border: 1px solid var(--line-strong); border-radius: 999px; color: var(--muted); background: rgba(255,255,255,.55); font-size: 12px; cursor: pointer; transition: all .18s; }
.gallery-tab:hover, .gallery-tab.active { color: #fff; background: var(--green); border-color: var(--green); }
.gallery-grid { display: grid; grid-template-columns: repeat(12, 1fr); gap: 17px; }
.gallery-item { position: relative; grid-column: span 4; overflow: hidden; padding: 0; border: 1px solid var(--line-strong); border-radius: 18px; background: #fff; box-shadow: var(--shadow-sm); cursor: zoom-in; transition: transform .22s, box-shadow .22s; }
.gallery-item:first-child, .gallery-item:nth-child(2) { grid-column: span 6; }
.gallery-item:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); }
.gallery-item img { width: 100%; aspect-ratio: 16/9; object-fit: cover; object-position: top; }
.gallery-item figcaption { position: absolute; inset: auto 0 0; display: flex; justify-content: space-between; align-items: end; gap: 10px; padding: 36px 17px 14px; color: #fff; background: linear-gradient(transparent, rgba(10,45,41,.78)); opacity: 0; transition: opacity .2s; }
.gallery-item:hover figcaption { opacity: 1; }
.gallery-item figcaption span { font-size: 12px; font-weight: 650; }
.gallery-item figcaption small { font-size: 9px; letter-spacing: .12em; }

/* Architecture */
.architecture-section { color: #e9f5f0; background: #163b37; }
.architecture-grid { display: grid; grid-template-columns: .82fr 1.18fr; gap: 85px; align-items: center; }
.dark-eyebrow { color: #9bcbbb; }
.architecture-copy h2 { color: #fff; font-family: var(--serif); font-size: clamp(36px, 4.6vw, 58px); line-height: 1.17; letter-spacing: -.04em; }
.architecture-copy > p { max-width: 510px; margin-top: 25px; color: #b8cfca; font-size: 15px; line-height: 1.95; }
.mode-list { margin-top: 34px; border-top: 1px solid rgba(210,235,226,.15); }
.mode-list article { display: grid; grid-template-columns: 68px 1fr; gap: 12px; align-items: center; padding: 17px 0; border-bottom: 1px solid rgba(210,235,226,.15); }
.mode-list article > span { color: #8fc0b1; font-size: 9px; font-weight: 700; letter-spacing: .15em; }
.mode-list article div { display: flex; flex-direction: column; }
.mode-list b { color: #fff; font-size: 14px; }
.mode-list small { margin-top: 3px; color: #9eb9b3; font-size: 11px; }
.architecture-visual { position: relative; min-height: 510px; }
.arch-lines { position: absolute; inset: 0; width: 100%; height: 100%; color: rgba(158,202,188,.22); z-index: 0; }
.arch-lines path { vector-effect: non-scaling-stroke; }
.arch-center, .arch-node { position: absolute; z-index: 2; display: flex; flex-direction: column; align-items: center; justify-content: center; border: 1px solid rgba(194,226,216,.18); background: rgba(255,255,255,.055); box-shadow: 0 20px 45px rgba(0,0,0,.12); backdrop-filter: blur(8px); }
.arch-center { left: 50%; top: 50%; width: 178px; height: 178px; transform: translate(-50%,-50%); border-radius: 50%; background: rgba(79,143,129,.2); box-shadow: 0 0 0 22px rgba(137,193,176,.045), 0 0 0 44px rgba(137,193,176,.025); }
.arch-center img { width: 53px; height: 53px; margin-bottom: 8px; }
.arch-center b, .arch-node b { color: #fff; font-size: 14px; }
.arch-center small, .arch-node small { margin-top: 4px; color: #9ebdb6; font-size: 9px; }
.arch-node { width: 136px; height: 82px; border-radius: 17px; }
.node-web { top: 20px; left: 18px; }
.node-ai { top: 20px; right: 18px; }
.node-data { bottom: 52px; left: 0; }
.node-async { left: 50%; bottom: -4px; transform: translateX(-50%); }
.node-file { right: 0; bottom: 52px; }
.tech-row { display: flex; justify-content: center; flex-wrap: wrap; gap: 9px; margin-top: 72px; padding-top: 35px; border-top: 1px solid rgba(210,235,226,.14); }
.tech-row span { padding: 8px 13px; border: 1px solid rgba(210,235,226,.16); border-radius: 999px; color: #b9d0ca; background: rgba(255,255,255,.035); font-size: 10px; }

/* Download */
.download-section { background: #fff; }
.download-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.download-card { display: grid; grid-template-columns: auto 1fr minmax(230px, .9fr); gap: 20px; align-items: center; padding: 30px; border: 1px solid var(--line); border-radius: var(--radius); background: #fbfcfa; transition: transform .2s, box-shadow .2s; }
.download-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.os-icon { width: 57px; height: 57px; display: grid; place-items: center; border-radius: 16px; }
.os-icon svg { width: 26px; height: 26px; fill: currentColor; stroke: none; }
.os-icon.windows { color: #fff; background: #47779f; }
.os-icon.mac { color: #fff; background: var(--green); }
.download-title { display: flex; flex-direction: column; }
.download-title span { color: var(--ink-strong); font-family: var(--serif); font-size: 21px; font-weight: 700; }
.download-title small { color: var(--muted); font-size: 10px; }
.download-links { display: flex; flex-direction: column; gap: 8px; }
.download-link { display: flex; align-items: center; justify-content: space-between; min-height: 41px; padding: 0 13px; border: 1px solid var(--line-strong); border-radius: 10px; color: var(--text); background: #fff; font-size: 11px; transition: all .18s; }
.download-link:hover { color: #fff; background: var(--green); border-color: var(--green); }
.download-link svg { width: 14px; height: 14px; }
.download-link small { opacity: .7; }
.release-note { display: flex; align-items: center; gap: 28px; margin-top: 22px; padding: 17px 20px; border-top: 1px solid var(--line); color: var(--muted); font-size: 11px; }
.release-note span:first-child { display: flex; align-items: center; gap: 7px; }
.release-note i { width: 7px; height: 7px; border-radius: 50%; background: #62ad91; box-shadow: 0 0 0 4px rgba(98,173,145,.14); }
.release-note b { color: var(--ink); }
.release-note a { margin-left: auto; color: var(--green); font-weight: 700; }
.loading-chip { display: inline-flex; align-items: center; gap: 8px; color: var(--muted); font-size: 11px; }
.loading-chip i { width: 14px; height: 14px; border: 2px solid var(--line); border-top-color: var(--green); border-radius: 50%; animation: spin .7s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* CTA and footer */
.final-cta { padding: 0 0 110px; background: #fff; }
.final-card { position: relative; overflow: hidden; min-height: 430px; padding: 80px 72px; border-radius: var(--radius-lg); color: #fff; background: linear-gradient(125deg, #1c514b, #2f8073 70%, #67a28c); box-shadow: var(--shadow-lg); }
.final-card::before { content: ""; position: absolute; inset: 0; background: radial-gradient(circle at 84% 22%, rgba(237,242,194,.2), transparent 32%), linear-gradient(90deg, transparent 52%, rgba(255,255,255,.035)); }
.final-card > *:not(.cta-decoration) { position: relative; z-index: 2; }
.cta-kicker { color: #cbe1d9; font-size: 10px; font-weight: 700; letter-spacing: .2em; }
.final-card h2 { max-width: 680px; margin-top: 17px; font-family: var(--serif); font-size: clamp(38px, 5vw, 60px); line-height: 1.18; letter-spacing: -.04em; }
.final-card p { margin-top: 17px; color: #d0e1dc; font-size: 15px; }
.final-actions { display: flex; gap: 12px; margin-top: 32px; }
.button-light { color: var(--green-dark); background: #fff; }
.button-outline-light { color: #fff; border-color: rgba(255,255,255,.32); background: rgba(255,255,255,.06); }
.button-outline-light:hover { background: rgba(255,255,255,.12); }
.cta-decoration { position: absolute; right: 80px; top: 50%; width: 250px; height: 170px; transform: translateY(-50%) rotate(-7deg); border: 1px solid rgba(255,255,255,.22); border-radius: 8px; background: linear-gradient(145deg, rgba(255,255,255,.16), rgba(255,255,255,.04)); box-shadow: 0 30px 45px rgba(8,42,38,.2); }
.cta-decoration::before, .cta-decoration::after { content: ""; position: absolute; left: 30px; right: 30px; height: 1px; background: rgba(255,255,255,.2); }
.cta-decoration::before { top: 92px; }
.cta-decoration::after { top: 112px; right: 92px; }
.cta-decoration span { position: absolute; left: 30px; top: 30px; font-family: var(--serif); font-size: 27px; font-weight: 700; letter-spacing: .12em; }
.cta-decoration i { position: absolute; right: 28px; top: 25px; width: 46px; height: 46px; border: 2px solid rgba(238,242,194,.75); border-radius: 50%; }
.cta-decoration i::after { content: "✓"; position: absolute; inset: 0; display: grid; place-items: center; color: #edf3c8; font-style: normal; }
.site-footer { padding: 64px 0 28px; color: #a8c0bb; background: #102f2d; }
.footer-main { display: grid; grid-template-columns: 2fr repeat(3, 1fr); gap: 60px; padding-bottom: 52px; }
.site-footer .nav-brand strong { color: #fff; }
.site-footer .nav-brand small { color: #75918b; }
.footer-brand p { margin-top: 18px; color: #819c96; font-size: 12px; }
.footer-links { display: flex; flex-direction: column; gap: 9px; font-size: 12px; }
.footer-links b { margin-bottom: 5px; color: #fff; font-size: 12px; }
.footer-links a:hover { color: #fff; }
.footer-bottom { display: flex; justify-content: space-between; padding-top: 25px; border-top: 1px solid rgba(206,230,222,.12); color: #718c87; font-size: 10px; }
.to-top { position: fixed; right: 24px; bottom: 24px; z-index: 70; width: 48px; height: 48px; display: grid; place-items: center; border: 0; border-radius: 50%; color: #fff; background: var(--green); box-shadow: var(--shadow-md); cursor: pointer; opacity: 0; pointer-events: none; transform: translateY(8px); transition: all .2s; }
.to-top.visible { opacity: 1; pointer-events: auto; transform: none; }
.to-top svg { width: 21px; height: 21px; }

/* Lightbox */
.lightbox { position: fixed; inset: 0; z-index: 300; display: none; place-items: center; padding: 54px 30px; color: #fff; background: rgba(8,30,28,.92); backdrop-filter: blur(12px); }
.lightbox.open { display: grid; }
.lightbox img { max-width: min(1500px, 95vw); max-height: 86vh; border-radius: 15px; box-shadow: 0 30px 90px rgba(0,0,0,.4); }
.lightbox p { position: absolute; bottom: 18px; left: 50%; transform: translateX(-50%); font-size: 12px; }
.lightbox button { position: absolute; top: 18px; right: 24px; width: 42px; height: 42px; border: 1px solid rgba(255,255,255,.25); border-radius: 50%; color: #fff; background: rgba(255,255,255,.08); font-size: 25px; cursor: pointer; }

@media (max-width: 1100px) {
  .hero { min-height: auto; }
  .hero-inner { grid-template-columns: 1fr; }
  .hero-copy { max-width: 760px; text-align: center; margin: 0 auto; }
  .hero-lead { margin: 0 auto; }
  .hero-actions, .hero-notes { justify-content: center; }
  .hero-product { max-width: 850px; margin: 10px auto 0; }
  .product-window { width: 100%; }
  .new-grid { grid-template-columns: 1fr 1fr; }
  .new-card-library { grid-column: 1 / -1; }
  .new-card-tools { grid-column: span 1; display: block; }
  .tool-options { margin-top: 22px; }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .architecture-grid { grid-template-columns: 1fr 1fr; gap: 45px; }
  .download-card { grid-template-columns: auto 1fr; }
  .download-links { grid-column: 1 / -1; }
}

@media (max-width: 820px) {
  .section { padding: 88px 0; }
  .nav-links { position: fixed; left: 18px; right: 18px; top: 72px; display: none; flex-direction: column; align-items: stretch; gap: 0; padding: 12px; border: 1px solid var(--line); border-radius: 17px; background: rgba(255,255,255,.97); box-shadow: var(--shadow-md); }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 13px 14px; border-radius: 9px; }
  .nav-links a:hover { background: var(--mint-soft); }
  .nav-links a::after { display: none; }
  .nav-toggle { display: block; }
  .nav-github span, .nav-actions .button-small { display: none; }
  .split-heading { grid-template-columns: 1fr; gap: 22px; }
  .new-card-library { grid-template-columns: 1fr; padding: 34px; }
  .new-card-library .image-button { margin-top: 10px; }
  .workflow { grid-template-columns: 1fr 1fr; gap: 32px; }
  .workflow-line { display: none; }
  .workflow article > i { box-shadow: none; }
  .architecture-grid { grid-template-columns: 1fr; }
  .architecture-visual { width: min(600px, 100%); margin: 0 auto; }
  .download-grid { grid-template-columns: 1fr; }
  .final-card { padding: 58px 38px; }
  .cta-decoration { opacity: .22; right: -40px; }
  .footer-main { grid-template-columns: 1.7fr 1fr 1fr; gap: 36px; }
  .footer-main > .footer-links:last-child { display: none; }
}

@media (max-width: 600px) {
  .container { width: min(100% - 30px, var(--max)); }
  .hero { padding-top: 116px; }
  .hero h1 { font-size: 43px; }
  .hero-lead { font-size: 16px; }
  .hero-actions { flex-direction: column; }
  .hero-actions .button { width: 100%; }
  .hero-notes { gap: 10px; }
  .float-card { display: none; }
  .proof-strip { grid-template-columns: 1fr 1fr; margin-top: 45px; }
  .proof-strip div { padding: 22px 14px; border-bottom: 1px solid var(--line-strong); }
  .proof-strip div:nth-child(2) { border-right: 0; }
  .section-heading h2 { font-size: 35px; }
  .new-grid, .feature-grid { grid-template-columns: 1fr; }
  .new-card-library, .new-card-tools { grid-column: auto; }
  .new-card { min-height: auto; padding: 28px; }
  .new-card-library h3 { font-size: 28px; }
  .workflow { grid-template-columns: 1fr; }
  .workflow article { display: grid; grid-template-columns: 58px 1fr; column-gap: 16px; text-align: left; }
  .workflow article > span { display: none; }
  .workflow article > i { grid-row: 1 / 3; width: 58px; height: 58px; margin: 0; }
  .workflow article p { margin: 4px 0 0; }
  .gallery-grid { grid-template-columns: 1fr; }
  .gallery-item, .gallery-item:first-child, .gallery-item:nth-child(2) { grid-column: auto; }
  .gallery-item figcaption { opacity: 1; }
  .architecture-visual { min-height: 450px; transform: scale(.88); }
  .download-card { padding: 24px; }
  .release-note { align-items: flex-start; flex-direction: column; gap: 8px; }
  .release-note a { margin-left: 0; }
  .final-cta { padding-bottom: 72px; }
  .final-card { min-height: 460px; padding: 50px 27px; }
  .final-actions { flex-direction: column; align-items: stretch; }
  .cta-decoration { top: auto; bottom: -38px; right: -50px; transform: rotate(-7deg); }
  .footer-main { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
  .footer-bottom { flex-direction: column; gap: 7px; }
}

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