/* ============================================================
   守正 · Integra — PCMP 路演站  v2
   配色：深靛蓝(可信×智能) + 鎏金印章(守正) + 冷瓷底
        玉色作“智能层/实时数据”点睛（留一抹绿）。
   字体：系统族（宋体系标题 + 苹方/雅黑正文），不依赖 Google Fonts。
   铁律：深色底一律浅色字（见 .on-dark 分组）。
   ============================================================ */

*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; cursor: pointer; border: none; background: none; }
ul { list-style: none; }

:root {
  /* indigo — 权威 × 智能（主色） */
  --iris-900: #0e1030;
  --iris-800: #171a45;
  --iris-700: #232766;
  --iris-600: #333a90;
  --iris-500: #4850bd;
  --iris-400: #6f76dc;
  --iris-100: #e7e8f8;
  --night:    #0f1236;   /* 智能层控制台面板 */
  --night-2:  #171a48;

  /* gold — 守正印章（强调） */
  --gold-700: #977321;
  --gold-600: #b58a2d;
  --gold-500: #cea340;
  --gold-400: #e2c072;
  --gold-100: #f2e8cd;

  /* jade — 智能 / 实时数据（一抹绿） */
  --jade-600: #0e8a67;
  --jade-500: #16a67f;
  --jade-400: #3fc7a2;
  --jade-100: #d7f0e8;

  --paper:   #f3f4f8;    /* 冷瓷底 */
  --paper-2: #eaecf4;
  --card:    #ffffff;
  --card-2:  #f7f8fc;

  --ink:   #191c2c;
  --ink-2: #464b62;
  --ink-3: #737891;
  --line:  #e1e3ee;
  --line-2:#cfd2e2;

  --serif: "Songti SC", "STSong", "Source Han Serif SC", "Noto Serif SC", "SimSun", serif;
  --sans:  -apple-system, BlinkMacSystemFont, "PingFang SC", "HarmonyOS Sans SC",
           "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
  --latin-serif: Georgia, "Times New Roman", serif;

  --wrap: 1120px;
  --pad: clamp(20px, 5vw, 48px);
  --r: 14px;
  --shadow: 0 1px 2px rgba(23,26,69,.05), 0 14px 36px -20px rgba(23,26,69,.28);
  --shadow-lg: 0 2px 6px rgba(15,18,54,.08), 0 44px 88px -44px rgba(15,18,54,.5);
}

body {
  font-family: var(--sans); color: var(--ink); background: var(--paper);
  line-height: 1.65; font-size: 16px;
  -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; overflow-x: hidden;
}
::selection { background: var(--gold-400); color: var(--iris-900); }
.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding-inline: var(--pad); }

.section { padding-block: clamp(64px, 9vw, 128px); }
.section--tight { padding-block: clamp(48px, 6vw, 88px); }
.section--paper2 { background: var(--paper-2); }
.section--dark { background: var(--iris-800); }
.section--night { background: var(--night); }

/* ---------- 深底铁律：一律浅字 ---------- */
.section--dark, .section--night, .market-band, .pagehero { color: #d5d9ee; }
.section--dark h1, .section--dark h2, .section--dark h3,
.section--night h1, .section--night h2, .section--night h3,
.market-band h1, .market-band h2, .market-band h3,
.pagehero h1, .pagehero h2, .pagehero h3 { color: #f5f6fc; }
.section--dark .lead, .section--night .lead, .market-band .lead, .pagehero .lead { color: #bcc2df; }
.section--dark .eyebrow, .section--night .eyebrow, .market-band .eyebrow, .pagehero .eyebrow { color: var(--gold-400); }
.section--dark .eyebrow::before, .section--night .eyebrow::before,
.market-band .eyebrow::before, .pagehero .eyebrow::before { background: var(--gold-400); }
.section--dark .accent, .section--night .accent, .market-band .accent, .pagehero .accent { color: var(--gold-400); }
.section--dark .muted, .section--night .muted, .market-band .muted, .pagehero .muted { color: #9aa0c2; }
.section--dark .accent-jade, .section--night .accent-jade, .market-band .accent-jade, .pagehero .accent-jade { color: var(--jade-400); }

/* ---------- type ---------- */
.eyebrow {
  font-size: 13px; font-weight: 600; letter-spacing: .16em; text-transform: uppercase;
  color: var(--gold-600); display: inline-flex; align-items: center; gap: 10px; margin-bottom: 22px;
}
.eyebrow::before { content: ""; width: 26px; height: 1.5px; background: var(--gold-500); }

h1, h2, h3 { font-family: var(--serif); font-weight: 600; letter-spacing: .005em; line-height: 1.18; color: var(--ink); }
/* 中文无词边界，浏览器会在任意两字间断行（"想清/楚"）。标题均衡分行，正文避免孤字尾行。 */
h1, h2, h3 { text-wrap: balance; }
p, .lead { text-wrap: pretty; }
/* .nb 包住语义短语，使断行只能发生在标点处。.nw 是站内既有写法，一并生效。 */
.nb, .nw { white-space: nowrap; }
/* 少数短语在窄屏放不下（如 18 字的白皮书全名，375px 下需 507px、仅有 335px）。
   硬 nowrap 会把整页撑出横向滚动，比断在词中间更糟。这类短语标 .nb--soft：
   ≥780px 保持整体不断，窄屏放行换行。 */
@media (max-width: 779px) { .nb--soft { white-space: normal; } }
.h-display { font-size: clamp(34px, 5.4vw, 62px); line-height: 1.1; }
.h-1 { font-size: clamp(28px, 3.8vw, 46px); }
.h-2 { font-size: clamp(23px, 2.6vw, 32px); }
.lead { font-size: clamp(16px, 1.5vw, 19px); color: var(--ink-2); line-height: 1.75; max-width: 60ch; }
.accent { color: var(--gold-600); }
.accent-jade { color: var(--jade-600); }
.latin { font-family: var(--latin-serif); font-style: italic; letter-spacing: .01em; }
.muted { color: var(--ink-3); }
.tnum { font-variant-numeric: tabular-nums; font-feature-settings: "tnum"; }
.head-block { max-width: 730px; }
.head-block .lead { margin-top: 18px; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 8px; font-family: var(--sans);
  font-weight: 600; font-size: 15px; padding: 13px 22px; border-radius: 999px;
  background: var(--iris-700); color: #fff;
  transition: transform .18s ease, background .18s ease, box-shadow .18s ease; white-space: nowrap;
}
.btn:hover { background: var(--iris-600); transform: translateY(-1px); box-shadow: var(--shadow); }
.btn--ghost { background: transparent; color: var(--iris-700); box-shadow: inset 0 0 0 1.5px var(--line-2); }
.btn--ghost:hover { background: #fff; box-shadow: inset 0 0 0 1.5px var(--iris-600); }
.btn--gold { background: var(--gold-500); color: #2a1f04; }
.btn--gold:hover { background: var(--gold-400); }
.btn--light { background: #fff; color: var(--iris-800); }
.btn--light:hover { background: #edeef6; }
.btn-sm { padding: 9px 16px; font-size: 14px; }
.section--dark .btn--ghost, .section--night .btn--ghost, .market-band .btn--ghost, .pagehero .btn--ghost {
  color: #eef0fa; box-shadow: inset 0 0 0 1.5px rgba(255,255,255,.28);
}
.section--dark .btn--ghost:hover, .section--night .btn--ghost:hover,
.market-band .btn--ghost:hover, .pagehero .btn--ghost:hover { background: rgba(255,255,255,.08); }

.link-arrow { color: var(--iris-700); font-weight: 600; display: inline-flex; align-items: center; gap: 6px; }
.link-arrow::after { content: "→"; transition: transform .18s ease; }
.link-arrow:hover::after { transform: translateX(4px); }
.section--dark .link-arrow, .section--night .link-arrow, .market-band .link-arrow, .pagehero .link-arrow { color: var(--gold-400); }

/* ---------- badges / chips ---------- */
.chip {
  display: inline-flex; align-items: center; gap: 7px; font-family: var(--sans);
  font-size: 12.5px; font-weight: 600; letter-spacing: .02em; padding: 4px 11px; border-radius: 999px;
  background: var(--iris-100); color: var(--iris-700);
}
.chip--jade { background: var(--jade-100); color: var(--jade-600); }
.chip--jade::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--jade-500); box-shadow: 0 0 0 3px rgba(22,166,127,.18); }
.chip--gold { background: var(--gold-100); color: var(--gold-700); }

/* ============================================================ NAV */
.nav {
  position: sticky; top: 0; z-index: 60; background: rgba(243,244,248,.82);
  backdrop-filter: saturate(140%) blur(12px); border-bottom: 1px solid transparent;
  transition: border-color .3s ease, background .3s ease;
}
.nav.is-scrolled { border-bottom-color: var(--line); background: rgba(243,244,248,.95); }
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 66px; }
.brand { display: inline-flex; align-items: center; gap: 11px; }
.brand-seal {
  width: 32px; height: 32px; flex: none; display: grid; place-items: center;
  font-family: var(--serif); font-size: 18px; font-weight: 700; color: #fff;
  background: var(--iris-700); border-radius: 7px;
  box-shadow: inset 0 0 0 1.5px var(--gold-400), inset 0 0 0 3px var(--iris-700);
}
.brand-name { display: inline-flex; align-items: baseline; gap: 7px; }
.brand-name b { font-family: var(--serif); font-size: 19px; font-weight: 600; letter-spacing: .04em; }
.brand-name i { font-family: var(--latin-serif); font-style: italic; font-size: 15px; color: var(--gold-600); letter-spacing: .02em; }
.nav-links { display: flex; align-items: center; gap: 28px; }
.nav-links > a:not(.btn) { font-size: 15px; font-weight: 500; color: var(--ink-2); position: relative; padding: 4px 0; }
.nav-links > a:not(.btn):hover { color: var(--iris-700); }
.nav-links > a.is-active { color: var(--iris-700); }
.nav-links > a.is-active::after { content: ""; position: absolute; left: 0; right: 0; bottom: -2px; height: 2px; background: var(--gold-500); border-radius: 2px; }
.nav-toggle { display: none; width: 40px; height: 40px; position: relative; }
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after { content: ""; position: absolute; left: 9px; width: 22px; height: 2px; background: var(--ink); border-radius: 2px; transition: transform .25s ease, opacity .2s ease; }
.nav-toggle span { top: 19px; }
.nav-toggle span::before { top: -7px; }
.nav-toggle span::after { top: 7px; }
.nav-toggle[aria-expanded="true"] span { background: transparent; }
.nav-toggle[aria-expanded="true"] span::before { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span::after { transform: translateY(-7px) rotate(-45deg); }

/* ============================================================ HERO */
.hero { position: relative; overflow: hidden; background: var(--paper); }
.hero-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: clamp(24px, 4vw, 56px); align-items: center; padding-block: clamp(56px, 8vw, 104px); }
.hero-kicker {
  display: inline-flex; align-items: center; gap: 9px; font-size: 13px; font-weight: 600;
  letter-spacing: .04em; color: var(--iris-700); background: #fff; border: 1px solid var(--line);
  padding: 6px 13px 6px 8px; border-radius: 999px; margin-bottom: 26px;
}
.hero-kicker .tag { background: var(--iris-700); color: #fff; font-size: 11px; padding: 2px 8px; border-radius: 999px; letter-spacing: .1em; }
.hero h1 { font-size: clamp(32px, 5vw, 52px); line-height: 1.16; }
.hero h1 .hl-1, .hero h1 .nw { white-space: nowrap; }
.hero .lead { margin-top: 24px; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 34px; }
.hero-policy {
  margin-top: 30px; padding: 15px 18px; border-left: 3px solid var(--gold-500);
  background: #fff; border-radius: 0 10px 10px 0; box-shadow: var(--shadow);
  font-size: 14px; color: var(--ink-2); line-height: 1.6; max-width: 56ch;
}
.hero-policy b { color: var(--ink); font-weight: 600; }

.hero-visual { position: relative; min-height: 380px; }
.hero-card { position: relative; background: var(--night); border-radius: 18px; padding: 30px 28px; box-shadow: var(--shadow-lg); overflow: hidden; }
.hero-card::before { content: ""; position: absolute; inset: 0; background: radial-gradient(120% 90% at 85% 0%, rgba(226,192,114,.16), transparent 55%); }
.hero-card h4 { position: relative; font-family: var(--sans); font-size: 12.5px; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; color: var(--gold-400); margin-bottom: 6px; }
.hero-card .cap { position: relative; color: #b7bede; font-size: 13px; margin-bottom: 22px; }
.spine { position: relative; padding-left: 34px; }
.spine::before { content: ""; position: absolute; left: 15px; top: 6px; bottom: 6px; width: 2px; background: linear-gradient(var(--gold-500), var(--gold-600)); }
.spine-node { position: relative; padding: 13px 0; }
.spine-node::before { content: ""; position: absolute; left: -26px; top: 18px; width: 12px; height: 12px; border-radius: 50%; background: var(--gold-500); border: 2px solid var(--gold-500); box-shadow: 0 0 0 4px rgba(226,192,114,.16); }
.spine-node .sn-name { font-family: var(--serif); font-size: 17px; font-weight: 600; color: #f2f3fb; }
.spine-node .sn-desc { font-size: 12.5px; color: #a4abcf; margin-top: 3px; }

/* ============================================================ STAT STRIP */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.stat { padding: 30px clamp(14px, 2vw, 26px); border-left: 1px solid var(--line); }
.stat:first-child { border-left: none; }
.stat-num { font-family: var(--serif); font-size: clamp(30px, 4vw, 44px); font-weight: 600; color: var(--iris-700); line-height: 1; }
.stat-num .u { font-size: .5em; color: var(--gold-600); margin-left: 3px; font-family: var(--sans); font-weight: 600; }
.stat-lbl { margin-top: 12px; font-size: 13.5px; color: var(--ink-2); line-height: 1.5; }

/* ============================================================ CARDS */
.grid { display: grid; gap: 22px; margin-top: 48px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--r); padding: 28px 26px; transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease; }
.card:hover { transform: translateY(-3px); box-shadow: var(--shadow); border-color: var(--line-2); }
.card .role { font-size: 12.5px; font-weight: 600; letter-spacing: .06em; color: var(--gold-600); margin-bottom: 14px; }
.card h3 { font-size: 19px; line-height: 1.4; margin-bottom: 10px; }
.card p { font-size: 14.5px; color: var(--ink-2); line-height: 1.7; }
.card .idx { font-family: var(--latin-serif); font-style: italic; font-size: 14px; color: var(--gold-500); display: block; margin-bottom: 12px; }
.scene { position: relative; padding-top: 30px; }
.scene .n { position: absolute; top: 24px; right: 24px; font-family: var(--latin-serif); font-style: italic; font-size: 26px; color: var(--line-2); }

/* ============================================================ LIFECYCLE BACKBONE */
.lifecycle { margin-top: 54px; position: relative; }
.lc-track { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; position: relative; }
.lc-track::before { content: ""; position: absolute; left: 8%; right: 8%; top: 30px; height: 2px; background: linear-gradient(90deg, var(--iris-500), var(--gold-500)); z-index: 0; }
.lc-stage { position: relative; z-index: 1; }
.lc-dot { width: 62px; height: 62px; border-radius: 16px; background: #fff; border: 1px solid var(--line); display: grid; place-items: center; font-family: var(--latin-serif); font-style: italic; font-size: 22px; color: var(--iris-700); box-shadow: var(--shadow); margin-bottom: 20px; }
.lc-stage h3 { font-size: 19px; margin-bottom: 6px; display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.lc-stage .caps { margin-top: 12px; }
.lc-stage .caps li { font-size: 13px; color: var(--ink-2); padding: 3px 0 3px 16px; position: relative; }
.lc-stage .caps li::before { content: "·"; position: absolute; left: 4px; color: var(--gold-500); font-weight: 700; }

/* ============================================================ ARCHITECTURE */
.arch { margin-top: 50px; background: #fff; border: 1px solid var(--line); border-radius: 18px; padding: clamp(24px, 4vw, 44px); box-shadow: var(--shadow); }
.arch-write { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.arch-box { border: 1px solid var(--line); border-radius: 12px; padding: 18px; background: var(--card-2); }
.arch-box .tag { font-size: 11.5px; font-weight: 600; letter-spacing: .1em; color: var(--gold-600); }
.arch-box h4 { font-family: var(--serif); font-size: 17px; margin: 6px 0 4px; color: var(--ink); }
.arch-box p { font-size: 12.5px; color: var(--ink-2); }
.arch-flow { text-align: center; color: var(--ink-3); font-size: 12px; letter-spacing: .1em; margin: 14px 0; }
.arch-spine { background: var(--iris-700); color: #fff; border-radius: 12px; padding: 20px 24px; text-align: center; position: relative; overflow: hidden; }
.arch-spine::after { content: ""; position: absolute; inset: 0; background: radial-gradient(120% 120% at 50% -20%, rgba(226,192,114,.22), transparent 60%); }
.arch-spine .lbl { position: relative; font-size: 11.5px; letter-spacing: .16em; text-transform: uppercase; color: var(--gold-400); }
.arch-spine .main { position: relative; font-family: var(--serif); font-size: clamp(18px, 2.4vw, 24px); margin: 4px 0 8px; }
.arch-spine .sub { position: relative; font-size: 13px; color: #c2c8e6; }
.arch-read { margin-top: 16px; border: 1px dashed var(--line-2); border-radius: 12px; padding: 18px; text-align: center; background: var(--card-2); }
.arch-read .tag { font-size: 11.5px; font-weight: 600; letter-spacing: .1em; color: var(--jade-600); }
.arch-read h4 { font-family: var(--serif); font-size: 17px; margin: 5px 0 3px; }
.arch-read p { font-size: 12.5px; color: var(--ink-2); }
.arch-notes { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-top: 28px; }
.arch-note { padding-left: 16px; border-left: 2px solid var(--gold-400); }
.arch-note b { display: block; font-family: var(--serif); font-size: 16px; color: var(--ink); margin-bottom: 4px; }
.arch-note span { font-size: 13.5px; color: var(--ink-2); }

/* ============================================================ MODULE DETAIL */
.mod { display: grid; grid-template-columns: .4fr .6fr; gap: 30px; align-items: start; padding-block: clamp(36px, 5vw, 56px); border-top: 1px solid var(--line); }
.mod:first-of-type { border-top: none; }
.mod-side .mnum { font-family: var(--latin-serif); font-style: italic; font-size: 40px; color: var(--gold-500); line-height: 1; }
.mod-side h3 { font-size: 26px; margin: 12px 0 14px; }
.mod-caps { display: grid; gap: 10px; }
.mod-caps li { display: flex; gap: 12px; font-size: 14.5px; color: var(--ink-2); line-height: 1.6; }
.mod-caps li::before { content: ""; flex: none; width: 7px; height: 7px; margin-top: 9px; border-radius: 2px; background: var(--iris-500); }

/* ============================================================ AGENTS (智能体) — night console */
.agents-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; margin-top: 48px; }
.agent {
  position: relative; background: linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,.02));
  border: 1px solid rgba(255,255,255,.1); border-radius: 16px; padding: 26px 24px; overflow: hidden;
}
.agent::after { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 3px; background: linear-gradient(var(--jade-400), var(--jade-600)); opacity: .8; }
.agent-top { display: flex; align-items: center; gap: 12px; margin-bottom: 14px; }
.agent-ic { width: 42px; height: 42px; flex: none; border-radius: 11px; display: grid; place-items: center; background: rgba(22,166,127,.14); color: var(--jade-400); }
.agent-name { font-family: var(--serif); font-size: 19px; font-weight: 600; color: #f4f5fc; }
.agent-en { font-family: var(--latin-serif); font-style: italic; font-size: 12.5px; color: var(--jade-400); letter-spacing: .02em; }
.agent p { font-size: 14px; color: #b7bede; line-height: 1.7; }
.agent-caps { margin-top: 14px; display: grid; gap: 8px; }
.agent-caps li { display: flex; gap: 10px; font-size: 13px; color: #c6cbe6; }
.agent-caps li::before { content: ""; flex: none; width: 6px; height: 6px; margin-top: 7px; border-radius: 50%; background: var(--jade-400); }
.agent-note { margin-top: 40px; font-size: 13px; color: #9aa0c2; text-align: center; }
.agent-note .accent-jade { color: var(--jade-400); font-weight: 600; }

/* ============================================================ REGULATORY EXPANSION RAIL */
.expand { margin-top: 50px; display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; position: relative; }
.expand::before { content: ""; position: absolute; left: 6%; right: 6%; top: 26px; height: 2px; background: linear-gradient(90deg, var(--jade-500), var(--iris-500) 40%, var(--line-2)); }
.exp-stage { position: relative; z-index: 1; }
.exp-dot { width: 54px; height: 54px; border-radius: 14px; display: grid; place-items: center; font-family: var(--serif); font-size: 22px; font-weight: 600; margin-bottom: 18px; background: #fff; border: 1px solid var(--line); box-shadow: var(--shadow); color: var(--iris-700); }
.exp-stage.now .exp-dot { background: var(--iris-700); color: #fff; border-color: var(--iris-700); }
.exp-stage.next .exp-dot { color: var(--jade-600); border-color: var(--jade-400); border-style: dashed; }
.exp-stage.future .exp-dot { color: var(--ink-3); border-style: dashed; }
.exp-stage h3 { font-size: 18px; margin-bottom: 6px; display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.exp-stage p { font-size: 13px; color: var(--ink-2); line-height: 1.6; }
.exp-when { font-size: 11.5px; font-weight: 600; letter-spacing: .04em; color: var(--gold-600); margin-bottom: 4px; }

/* ============================================================ TIERS */
.tiers { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 48px; align-items: stretch; }
.tier { display: flex; flex-direction: column; background: #fff; border: 1px solid var(--line); border-radius: var(--r); padding: 30px 26px; }
.tier.is-ready { border-color: var(--iris-500); box-shadow: var(--shadow); }
.tier .kick { font-size: 12.5px; font-weight: 600; letter-spacing: .04em; color: var(--gold-600); margin-bottom: 6px; }
.tier h3 { font-size: 23px; margin-bottom: 8px; }
.tier .desc { font-size: 14px; color: var(--ink-2); line-height: 1.7; min-height: 66px; }
.tier ul { margin-top: 18px; display: grid; gap: 11px; }
.tier li { display: flex; gap: 10px; font-size: 13.5px; color: var(--ink-2); }
.tier li::before { content: "✓"; color: var(--iris-500); font-weight: 700; flex: none; }

/* ============================================================ MARKET */
.market { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 40px; }
.mkt { text-align: left; padding: 24px; border: 1px solid var(--line); border-radius: var(--r); background: #fff; }
.mkt .n { font-family: var(--serif); font-size: clamp(32px, 4.4vw, 44px); font-weight: 600; color: var(--iris-700); line-height: 1; }
.mkt .n .u { font-size: .5em; color: var(--gold-600); margin-left: 4px; font-family: var(--sans); font-weight: 600; }
.mkt .l { margin-top: 10px; font-size: 14px; color: var(--ink-2); }
.mkt .src { margin-top: 6px; font-size: 11.5px; color: var(--ink-3); }

/* market band on indigo */
.market-band { background: linear-gradient(160deg, var(--iris-800), var(--iris-700)); position: relative; overflow: hidden; }
.market-band::after { content: ""; position: absolute; inset: 0; background: radial-gradient(70% 130% at 85% -10%, rgba(226,192,114,.16), transparent 55%); pointer-events: none; }
.market-band .head-block, .market-band .market, .market-band > .wrap > p { position: relative; }
.market-band .mkt { background: rgba(255,255,255,.05); border-color: rgba(255,255,255,.14); }
.market-band .mkt .n { color: var(--gold-400); }
.market-band .mkt .n .u { color: #c2c8e6; }
.market-band .mkt .l { color: #c6cbe6; }
.market-band .mkt .src { color: #8f95ba; }

/* ============================================================ TRUST */
.trust-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 44px; }
.trust-item { padding: 26px 24px; border-radius: var(--r); background: rgba(255,255,255,.05); border: 1px solid rgba(255,255,255,.1); }
.trust-item .ti-ic { width: 40px; height: 40px; border-radius: 10px; display: grid; place-items: center; background: rgba(226,192,114,.16); color: var(--gold-400); margin-bottom: 16px; }
.trust-item h3 { font-size: 18px; margin-bottom: 8px; }
.trust-item p { font-size: 14px; color: #bcc2df; line-height: 1.7; }
.trust-line { margin-top: 40px; font-family: var(--serif); font-size: clamp(20px, 3vw, 30px); color: #f5f6fc; text-align: center; }
.trust-line .accent { color: var(--gold-400); }

/* ============================================================ CTA */
.cta-band { text-align: center; }
.cta-band h2 { font-size: clamp(26px, 4vw, 42px); max-width: 22ch; margin: 0 auto 18px; }
.cta-band .lead { margin: 0 auto 30px; text-align: center; }
.cta-band .btns { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* ============================================================ FORM */
.contact-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: clamp(30px, 5vw, 60px); align-items: start; }
.form-card { background: #fff; border: 1px solid var(--line); border-radius: 18px; padding: clamp(24px, 4vw, 40px); box-shadow: var(--shadow); }
.field { margin-bottom: 18px; }
.field label { display: block; font-size: 13.5px; font-weight: 600; color: var(--ink); margin-bottom: 7px; }
.field label .req { color: var(--gold-600); }
.field input, .field select, .field textarea { width: 100%; font-family: var(--sans); font-size: 15px; color: var(--ink); padding: 12px 14px; border: 1px solid var(--line-2); border-radius: 10px; background: var(--card-2); transition: border-color .18s ease, box-shadow .18s ease; }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--iris-500); box-shadow: 0 0 0 3px rgba(72,80,189,.14); background: #fff; }
.field textarea { resize: vertical; min-height: 92px; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-note { font-size: 12.5px; color: var(--ink-3); margin-top: 4px; }
.form-msg { display: none; margin-top: 14px; padding: 12px 14px; border-radius: 10px; font-size: 14px; }
.form-msg.ok { display: block; background: var(--jade-100); color: var(--jade-600); }
.form-msg.err { display: block; background: #f6e5e2; color: #a4482f; }
.form-submitted .form-body { display: none; }
.form-done { display: none; text-align: center; padding: 30px 10px; }
.form-submitted .form-done { display: block; }
.form-done .chk { width: 54px; height: 54px; border-radius: 50%; background: var(--iris-700); color: #fff; display: grid; place-items: center; margin: 0 auto 16px; font-size: 26px; }
.form-done h3 { font-size: 22px; margin-bottom: 8px; }
.form-done p { color: var(--ink-2); font-size: 14.5px; }
.contact-aside h2 { margin-bottom: 16px; }
.contact-aside .lead { margin-bottom: 26px; }
.aside-points { display: grid; gap: 18px; margin-top: 26px; }
.aside-point { display: flex; gap: 14px; }
.aside-point .ap-ic { flex: none; width: 38px; height: 38px; border-radius: 10px; background: var(--iris-100); color: var(--iris-700); display: grid; place-items: center; }
.aside-point b { display: block; font-family: var(--serif); font-size: 16px; color: var(--ink); margin-bottom: 3px; }
.aside-point span { font-size: 13.5px; color: var(--ink-2); }
.contact-meta { margin-top: 30px; padding-top: 24px; border-top: 1px solid var(--line); font-size: 14px; color: var(--ink-2); }
.contact-meta a { color: var(--iris-700); font-weight: 600; }

/* ============================================================ PAGE HERO */
.pagehero { background: linear-gradient(160deg, var(--iris-800), var(--iris-700)); padding-block: clamp(56px, 8vw, 96px); position: relative; overflow: hidden; }
.pagehero::after { content: ""; position: absolute; inset: 0; background: radial-gradient(80% 120% at 92% -10%, rgba(226,192,114,.20), transparent 55%); pointer-events: none; }
.pagehero .eyebrow, .pagehero h1, .pagehero .lead { position: relative; }
.pagehero h1 { font-size: clamp(32px, 5vw, 54px); max-width: 20ch; }
.pagehero .lead { margin-top: 20px; }

/* ============================================================ FOOTER */
.foot { background: var(--iris-900); color: #aab0d2; padding-block: 60px 40px; }
.foot-top { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 30px; padding-bottom: 40px; border-bottom: 1px solid rgba(255,255,255,.1); }
.foot-brand .brand-seal { box-shadow: inset 0 0 0 1.5px var(--gold-400); }
.foot-brand .brand-name b { color: #f4f5fc; }
.foot-tag { margin-top: 18px; font-size: 14px; line-height: 1.7; max-width: 34ch; color: #8f95ba; }
.foot-col h5 { font-family: var(--sans); font-size: 12.5px; font-weight: 600; letter-spacing: .1em; color: var(--gold-400); text-transform: uppercase; margin-bottom: 16px; }
.foot-col li { margin-bottom: 11px; }
.foot-col a, .foot-col span { font-size: 14px; color: #a3a9cc; }
.foot-col a:hover { color: #fff; }
.foot-legal { padding-top: 26px; font-size: 12.5px; color: #6b7199; line-height: 1.8; }

/* ============================================================ INSIGHTS / ARTICLES */
.toc { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 40px; }
.toc a { font-size: 14px; font-weight: 600; color: var(--iris-700); background: #fff; border: 1px solid var(--line); padding: 9px 16px; border-radius: 999px; transition: border-color .18s ease, transform .18s ease; }
.toc a:hover { border-color: var(--iris-500); transform: translateY(-1px); }
.article { padding-block: clamp(40px, 5vw, 64px); border-top: 1px solid var(--line); scroll-margin-top: 84px; }
.article:first-of-type { border-top: none; }
.article .kicker { font-size: 12.5px; font-weight: 600; letter-spacing: .06em; color: var(--gold-600); margin-bottom: 12px; }
.prose { max-width: 740px; }
.prose h2 { font-size: clamp(23px, 2.8vw, 32px); line-height: 1.25; margin-bottom: 8px; }
.prose h3 { font-size: 19px; margin: 28px 0 8px; }
.prose .lede { font-size: 17px; color: var(--ink); line-height: 1.8; margin: 16px 0 20px; }
.prose p { font-size: 15.5px; color: var(--ink-2); line-height: 1.85; margin-bottom: 14px; }
.prose ul.plist { margin: 6px 0 16px; display: grid; gap: 8px; }
.prose ul.plist li { position: relative; padding-left: 20px; font-size: 15px; color: var(--ink-2); line-height: 1.7; }
.prose ul.plist li::before { content: ""; position: absolute; left: 4px; top: 10px; width: 7px; height: 7px; border-radius: 2px; background: var(--gold-500); }
.prose .cta-inline { margin-top: 22px; padding: 16px 20px; background: var(--card-2); border: 1px solid var(--line); border-radius: 12px; font-size: 14.5px; color: var(--ink-2); }
.prose .cta-inline a { color: var(--iris-700); font-weight: 600; }

/* ============================================================ REVEAL */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .7s cubic-bezier(.2,.7,.2,1), transform .7s cubic-bezier(.2,.7,.2,1); }
.reveal.in { opacity: 1; transform: none; }
.reveal[data-d="1"] { transition-delay: .08s; }
.reveal[data-d="2"] { transition-delay: .16s; }
.reveal[data-d="3"] { transition-delay: .24s; }

/* ============================================================ RESPONSIVE */
@media (max-width: 900px) {
  .nav-toggle { display: block; }
  .nav-links { position: fixed; inset: 66px 0 auto 0; flex-direction: column; align-items: stretch; gap: 0; background: var(--paper); border-bottom: 1px solid var(--line); padding: 8px var(--pad) 20px; transform: translateY(-8px); opacity: 0; pointer-events: none; transition: opacity .2s ease, transform .2s ease; box-shadow: var(--shadow); }
  .nav-links.is-open { opacity: 1; transform: none; pointer-events: auto; }
  .nav-links > a:not(.btn) { padding: 13px 0; border-bottom: 1px solid var(--line); }
  .nav-links > a.is-active::after { display: none; }
  .nav-links .btn { margin-top: 14px; justify-content: center; }
  .hero-grid { grid-template-columns: 1fr; }
  .hero-visual { order: -1; min-height: 0; }
  .contact-grid { grid-template-columns: 1fr; }
  .contact-aside { order: -1; }
  .mod { grid-template-columns: 1fr; gap: 18px; }
  .arch-notes { grid-template-columns: 1fr; }
  .agents-grid { grid-template-columns: 1fr; }
}
@media (max-width: 780px) {
  .grid-3, .grid-4, .tiers, .market, .trust-grid { grid-template-columns: 1fr; }
  .grid-2 { grid-template-columns: 1fr; }
  .stats { grid-template-columns: 1fr 1fr; }
  .stat:nth-child(3) { border-left: none; }
  .stat:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .lc-track { grid-template-columns: 1fr; gap: 26px; }
  .lc-track::before { display: none; }
  .lc-stage { padding-left: 78px; position: relative; min-height: 62px; }
  .lc-dot { position: absolute; left: 0; top: 0; margin: 0; }
  .expand { grid-template-columns: 1fr; gap: 26px; }
  .expand::before { display: none; }
  .exp-stage { padding-left: 70px; position: relative; min-height: 54px; }
  .exp-dot { position: absolute; left: 0; top: 0; margin: 0; }
  .arch-write { grid-template-columns: 1fr; }
  .field-row { grid-template-columns: 1fr; }
}
@media (max-width: 520px) {
  .stats { grid-template-columns: 1fr; }
  .stat { border-left: none; border-bottom: 1px solid var(--line); }
  .stat:last-child { border-bottom: none; }
  .foot-top { grid-template-columns: 1fr 1fr; }
  .foot-brand { grid-column: 1 / -1; }
}
@media (prefers-reduced-motion: reduce) {
  * { scroll-behavior: auto !important; }
  .reveal { opacity: 1 !important; transform: none !important; transition: none !important; }
  .btn, .card, .link-arrow::after { transition: none !important; }
}
:focus-visible { outline: 2.5px solid var(--gold-600); outline-offset: 3px; border-radius: 4px; }