/* ============================================================
   CentaurAI — 开箱即用的企业 AI 工作站
   基于 Centaur Loop 设计系统
   Palette: 米白 #FAF7F2 / 深空灰 #2C2C2E / 暖棕 #C0755A / 金 #E8B04B
   ============================================================ */

:root {
  --bg:        #FAF7F2;
  --bg-warm:   #F3ECE2;
  --ink:       #2C2C2E;
  --ink-soft:  #55534f;
  --ink-mute:  #8a857d;
  --clay:      #C0755A;
  --clay-deep: #a35c43;
  --gold:      #E8B04B;
  --gold-deep: #cf9326;
  --line:      rgba(44,44,46,0.12);
  --card:      #FFFDFA;
  --shadow:    0 18px 50px -28px rgba(44,30,20,0.35);
  --shadow-sm: 0 8px 24px -16px rgba(44,30,20,0.30);
  --r:         18px;
  --maxw:      1180px;
  --sans: "Noto Sans SC", "PingFang SC", -apple-system, BlinkMacSystemFont, "Microsoft YaHei", sans-serif;
  --serif: "Noto Serif SC", "Songti SC", serif;
  --mono: "Inter", ui-monospace, "JetBrains Mono", monospace;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--sans);
  background: var(--bg);
  color: var(--ink);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
strong, b { font-weight: 700; }
em { font-style: normal; }

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 28px; }
.wrap.narrow { max-width: 820px; }
.center { text-align: center; }
.pc-br { display: inline; }

/* ---------- typography helpers ---------- */
.eyebrow {
  font-family: var(--mono);
  font-size: 12.5px;
  letter-spacing: 0.16em;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--clay);
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 22px;
}
.eyebrow.center { justify-content: center; display: flex; }
.eyebrow .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--clay); }

h1, h2, h3, h4 { line-height: 1.18; letter-spacing: -0.01em; font-weight: 900; }
h2 { font-size: clamp(30px, 4.6vw, 54px); margin-bottom: 28px; }
h3 { font-size: clamp(21px, 2.4vw, 28px); }

.body { font-size: clamp(16px, 1.25vw, 18.5px); color: var(--ink-soft); margin-bottom: 18px; }
.body strong { color: var(--ink); }
.narrow-center { max-width: 680px; margin-left: auto; margin-right: auto; }
.narrow-left { max-width: 720px; }
.hl-gold { color: var(--gold-deep); }

.pull {
  font-family: var(--serif);
  font-size: clamp(22px, 2.8vw, 32px);
  line-height: 1.4;
  color: var(--ink);
  font-weight: 700;
  margin: 36px 0 8px;
}

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  font-weight: 600; font-size: 15.5px;
  padding: 13px 26px; border-radius: 10px;
  transition: transform .25s ease, background .25s ease, box-shadow .25s ease, color .25s;
  cursor: pointer; white-space: nowrap;
}
.btn-primary { background: var(--clay); color: #fff; box-shadow: 0 10px 24px -12px rgba(192,117,90,.8); }
.btn-primary:hover { background: var(--clay-deep); transform: translateY(-2px); }
.btn-ghost { border: 1.5px solid var(--line); color: var(--ink); }
.btn-ghost:hover { border-color: var(--clay); color: var(--clay); }
.btn-lg { padding: 16px 34px; font-size: 16.5px; }

/* ---------- section rhythm ---------- */
.section { padding: clamp(86px, 11vw, 150px) 0; position: relative; }
.section-team, .section-schedule { background: var(--bg-warm); }

/* ---------- reveal animation ---------- */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .7s cubic-bezier(.2,.7,.2,1), transform .7s cubic-bezier(.2,.7,.2,1); }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

/* ============================================================
   NAV
   ============================================================ */
#nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  transition: background .3s, box-shadow .3s, padding .3s;
  padding: 18px 0;
}
#nav.scrolled {
  background: rgba(250,247,242,0.85);
  backdrop-filter: blur(14px) saturate(1.2);
  box-shadow: 0 1px 0 var(--line);
  padding: 11px 0;
}
.nav-inner { max-width: var(--maxw); margin: 0 auto; padding: 0 28px; display: flex; align-items: center; gap: 28px; }
.brand { display: flex; align-items: center; gap: 11px; color: var(--ink); transition: color .3s; }
.brand-mark { width: 30px; height: 30px; color: var(--clay); flex: none; }
.brand-dot { fill: var(--gold); }
.brand-text { font-weight: 900; font-size: 17px; display: flex; flex-direction: column; line-height: 1.05; }
.brand-text em { font-family: var(--mono); font-size: 9.5px; letter-spacing: .12em; font-weight: 600; color: var(--ink-mute); text-transform: uppercase; transition: color .3s; }
.nav-links { list-style: none; display: flex; gap: 26px; margin-left: auto; }
.nav-links a { font-size: 14.5px; font-weight: 500; color: var(--ink-soft); transition: color .2s; }
.nav-links a:hover { color: var(--clay); }
.nav-cta { padding: 9px 18px; font-size: 14px; }

/* nav over dark hero (before scroll): light text */
#nav.on-dark .brand { color: #F4F1EC; }
#nav.on-dark .brand-text em { color: rgba(244,241,236,0.6); }
#nav.on-dark .nav-links a { color: rgba(244,241,236,0.82); }
#nav.on-dark .nav-links a:hover { color: var(--gold); }

/* ============================================================
   SECTION 1 · HERO（深色 + 工作站 mockup）
   ============================================================ */
.hero {
  min-height: 100vh; position: relative; display: flex; align-items: center;
  overflow: hidden;
  background:
    radial-gradient(1200px 900px at 50% 30%, #1b2230 0%, #121723 42%, #0d111b 100%);
  padding-bottom: 90px;
}
.hero::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 200px;
  background: linear-gradient(180deg, rgba(250,247,242,0) 0%, var(--bg) 100%);
  z-index: 1; pointer-events: none;
}

.hero-content { position: relative; z-index: 2; max-width: var(--maxw); margin: 0 auto; padding: 140px 28px 0; width: 100%; text-align: center; }
.hero-content .eyebrow { color: #e8b04b; justify-content: center; display: flex; }
.hero-content .eyebrow .dot { background: #e8b04b; }
.hero-title {
  font-size: clamp(38px, 6.4vw, 80px); line-height: 1.08; letter-spacing: -0.02em;
  margin: 8px 0 26px; color: #F4F1EC;
  text-shadow: 0 2px 40px rgba(0,0,0,0.55);
}
.hero-sub { font-size: clamp(16px, 2vw, 22px); color: #e7e2da; font-weight: 500; margin-bottom: 36px; }
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; justify-content: center; margin-bottom: 64px; }
.hero .btn-ghost { border-color: rgba(244,241,236,0.25); color: #F4F1EC; }
.hero .btn-ghost:hover { border-color: var(--gold); color: var(--gold); }

.hero-content > * { opacity: 0; transform: translateY(20px); animation: heroUp .8s cubic-bezier(.2,.7,.2,1) forwards; }
.hero-content .eyebrow { animation-delay: .05s; }
.hero-title { animation-delay: .18s; }
.hero-sub { animation-delay: .32s; }
.hero-cta { animation-delay: .46s; }
.hero-mockup { animation-delay: .62s; }
@keyframes heroUp { to { opacity: 1; transform: none; } }

/* 工作站 mockup */
.hero-mockup { max-width: 880px; margin: 0 auto; }
.hero-mockup.reveal { opacity: 0; }           /* reveal 接管后续滚动状态 */
.hero-mockup.reveal.in { opacity: 1; }
.mockup-frame {
  background: #181d28; border: 1px solid rgba(244,241,236,0.12);
  border-radius: 18px 18px 0 0; overflow: hidden;
  box-shadow: 0 40px 90px -40px rgba(0,0,0,0.8);
}
.mockup-top { display: flex; align-items: center; gap: 6px; padding: 12px 16px; border-bottom: 1px solid rgba(244,241,236,0.1); }
.mockup-top .os-dot { width: 10px; height: 10px; border-radius: 50%; background: rgba(244,241,236,0.22); }
.mockup-top em { margin-left: auto; font-family: var(--mono); font-size: 12px; letter-spacing: .12em; color: var(--gold); }
.mockup-img { display: block; width: 100%; height: auto; }

/* 三步胶囊 */
.hero-steps { display: flex; align-items: center; justify-content: center; gap: 12px; margin-bottom: 18px; }
.hero-steps b { color: rgba(244,241,236,0.4); font-weight: 400; }
.hstep {
  display: inline-flex; align-items: center; gap: 7px;
  font-size: 13.5px; font-weight: 600; color: rgba(244,241,236,0.85);
  background: rgba(244,241,236,0.07); border: 1px solid rgba(244,241,236,0.16);
  border-radius: 999px; padding: 7px 18px;
}
.hstep i { font-style: normal; color: var(--gold); font-family: var(--mono); font-size: 12px; }
.hstep-go { border-color: rgba(232,176,75,0.5); color: var(--gold); }
.mockup-base {
  height: 34px; background: linear-gradient(180deg, #2a2f3a, #14181f);
  border-radius: 0 0 14px 14px; border: 1px solid rgba(244,241,236,0.1); border-top: none;
  display: flex; align-items: center; justify-content: center;
}
.mockup-base span { font-family: var(--mono); font-size: 9.5px; letter-spacing: .3em; color: rgba(244,241,236,0.4); }

.scroll-hint { position: absolute; bottom: 26px; left: 50%; transform: translateX(-50%); z-index: 3; display: flex; flex-direction: column; align-items: center; gap: 9px; color: rgba(244,241,236,0.55); font-family: var(--mono); font-size: 11px; letter-spacing: .22em; }
.scroll-arrow { width: 1px; height: 36px; background: rgba(244,241,236,0.55); position: relative; animation: scrollPulse 1.8s ease-in-out infinite; }
.scroll-arrow::after { content: ""; position: absolute; bottom: 0; left: -3px; width: 7px; height: 7px; border-right: 1px solid rgba(244,241,236,0.55); border-bottom: 1px solid rgba(244,241,236,0.55); transform: rotate(45deg); }
@keyframes scrollPulse { 0%,100% { opacity: .4; } 50% { opacity: 1; } }

/* ============================================================
   SECTION 2 · 自研工作站
   ============================================================ */
.steps { display: flex; align-items: stretch; gap: 14px; margin: 40px 0 64px; flex-wrap: wrap; }
.step {
  flex: 1; min-width: 160px; background: var(--card); border-radius: var(--r);
  box-shadow: var(--shadow-sm); padding: 24px 26px;
  display: flex; flex-direction: column; gap: 2px;
}
.step-no { font-family: var(--mono); font-size: 13px; color: var(--clay); font-weight: 700; margin-bottom: 6px; }
.step b { font-size: 20px; }
.step span:last-child { font-size: 14px; color: var(--ink-mute); }
.step-arrow { align-self: center; color: var(--clay); font-style: normal; font-weight: 700; font-size: 20px; }

.stack { display: flex; flex-direction: column; gap: 26px; }
.stack-layer {
  display: grid; grid-template-columns: 64px 1.4fr 1fr; gap: 30px; align-items: center;
  background: var(--card); border: 1px solid var(--line); border-radius: 24px;
  padding: clamp(26px, 3.6vw, 44px); box-shadow: var(--shadow-sm);
}
.layer-feature { background: linear-gradient(160deg, #fff 0%, #fbf3e6 100%); border-color: rgba(232,176,75,.4); box-shadow: var(--shadow); }
.layer-index { font-family: var(--mono); font-size: 40px; font-weight: 800; color: var(--line); line-height: 1; }
.layer-feature .layer-index { color: rgba(232,176,75,.5); }
.layer-kicker { font-family: var(--mono); font-size: 12px; letter-spacing: .14em; text-transform: uppercase; color: var(--clay); font-weight: 700; }
.layer-head h3 { margin: 8px 0 16px; }
.layer-body p { font-size: 16px; color: var(--ink-soft); margin-bottom: 12px; }
.layer-body p strong { color: var(--ink); }
.layer-note { font-size: 14.5px !important; color: var(--ink-mute) !important; padding: 14px 16px; background: var(--bg-warm); border-radius: 10px; }
.layer-note b { color: var(--clay); }
.layer-list { list-style: none; margin: 4px 0 16px; display: flex; flex-direction: column; gap: 8px; }
.layer-list li { padding-left: 24px; position: relative; font-size: 15.5px; color: var(--ink-soft); }
.layer-list li::before { content: "›"; position: absolute; left: 4px; color: var(--clay); font-weight: 700; }
.layer-list .li-gold { color: var(--gold-deep); font-weight: 600; }
.layer-list .li-gold::before { content: "★"; color: var(--gold); font-size: 12px; }
.layer-tagline { font-family: var(--serif); font-weight: 700; font-size: 18px !important; color: var(--ink) !important; margin-top: 6px !important; }
.layer-tagline strong { color: var(--clay); }

.layer-media { align-self: stretch; display: flex; }
.img-placeholder {
  flex: 1; border: 1.5px dashed rgba(192,117,90,.5); border-radius: 14px;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 14px; padding: 30px 20px; text-align: center; color: var(--clay); min-height: 200px;
  background: rgba(192,117,90,.04);
}
.img-placeholder svg { width: 64px; height: 64px; opacity: .55; }
.img-placeholder span { font-size: 13px; font-weight: 600; color: var(--clay); display: flex; flex-direction: column; gap: 5px; }
.img-placeholder em { font-size: 11.5px; color: var(--ink-mute); font-weight: 400; }

/* CentaurOS card */
.os-card { flex: 1; background: var(--ink); border-radius: 14px; padding: 18px; color: var(--bg); min-height: 200px; box-shadow: var(--shadow); }
.os-top { display: flex; align-items: center; gap: 6px; padding-bottom: 12px; border-bottom: 1px solid rgba(250,247,242,.15); margin-bottom: 14px; }
.os-card .os-dot { width: 9px; height: 9px; border-radius: 50%; background: rgba(250,247,242,.3); }
.os-top em { margin-left: auto; font-family: var(--mono); font-size: 12px; letter-spacing: .1em; color: var(--gold); }
.os-rows { display: flex; flex-direction: column; gap: 9px; }
.os-row { display: flex; justify-content: space-between; align-items: center; font-size: 14px; }
.os-row b { font-family: var(--mono); font-size: 11px; padding: 3px 9px; border-radius: 6px; font-weight: 600; }
.os-row .ok { background: rgba(120,200,140,.18); color: #7fd49a; }
.os-row .learn { background: rgba(232,176,75,.22); color: var(--gold); animation: pulseLearn 1.6s ease-in-out infinite; }
@keyframes pulseLearn { 0%,100% { opacity: 1; } 50% { opacity: .5; } }
.os-foot { margin-top: 16px; padding-top: 12px; border-top: 1px solid rgba(250,247,242,.15); font-size: 12.5px; color: rgba(250,247,242,.6); display: flex; align-items: center; gap: 8px; }
.os-mem { width: 8px; height: 8px; border-radius: 50%; background: var(--gold); box-shadow: 0 0 0 0 rgba(232,176,75,.6); animation: memPulse 2s infinite; }
@keyframes memPulse { 0% { box-shadow: 0 0 0 0 rgba(232,176,75,.5);} 70% { box-shadow: 0 0 0 8px rgba(232,176,75,0);} 100% { box-shadow: 0 0 0 0 rgba(232,176,75,0);} }

/* 硬件层产品图 */
.device-photo {
  flex: 1; display: flex; align-items: center; justify-content: center;
  background: #fff; border-radius: 14px; box-shadow: var(--shadow-sm);
  padding: 14px; margin: 0; min-height: 200px;
}
.device-photo img { max-height: 340px; max-width: 100%; width: auto; object-fit: contain; }

/* 应用层角色块 */
.role-stack { flex: 1; display: grid; grid-template-columns: 1fr 1fr; gap: 12px; align-content: center; }
.role-tile {
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 6px;
  aspect-ratio: 1.5; border-radius: 14px; font-size: 26px;
  background: var(--card); box-shadow: var(--shadow-sm); border-top: 3px solid var(--c, var(--clay));
}
.role-tile b { font-size: 13.5px; color: var(--ink); }

/* ============================================================
   SECTION 3 · 出厂预装能力
   ============================================================ */
.cap-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin: 52px 0 36px; }
.cap-card {
  background: var(--card); border-radius: var(--r); padding: 28px 26px;
  box-shadow: var(--shadow-sm); transition: transform .35s, box-shadow .35s;
}
.cap-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.cap-ico { font-size: 30px; margin-bottom: 12px; }
.cap-card h3 { font-size: 18px; margin-bottom: 14px; }
.cap-card ul { list-style: none; display: flex; flex-direction: column; gap: 8px; }
.cap-card li { font-size: 14px; color: var(--ink-soft); padding-left: 18px; position: relative; }
.cap-card li::before { content: "›"; position: absolute; left: 2px; color: var(--clay); font-weight: 700; }
.team-note { margin-top: 8px; }

/* ============================================================
   SECTION 4 · 协作
   ============================================================ */
.cowork-grid { display: grid; grid-template-columns: 1.1fr 1fr; gap: 64px; align-items: center; }
.task-card { background: var(--card); border-radius: var(--r); box-shadow: var(--shadow); padding: 24px; }
.task-head { font-weight: 800; font-size: 16px; padding-bottom: 14px; border-bottom: 1px solid var(--line); margin-bottom: 14px; }
.task-row { display: flex; align-items: center; gap: 12px; padding: 9px 0; font-size: 14.5px; color: var(--ink-soft); }
.task-dot {
  width: 34px; height: 34px; border-radius: 50%; flex: none; font-style: normal;
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 14px; font-weight: 700; color: #fff; background: var(--c, var(--clay));
}
.task-row span { flex: 1; }
.task-row b { font-family: var(--mono); font-size: 11px; padding: 3px 9px; border-radius: 6px; font-weight: 600; flex: none; }
.task-row .ok { background: rgba(120,170,110,.15); color: #5a8a4e; }
.task-row .run { background: rgba(232,176,75,.2); color: var(--gold-deep); animation: pulseLearn 1.6s ease-in-out infinite; }
.task-row .wait { background: rgba(44,44,46,.08); color: var(--ink-mute); }

/* ============================================================
   SECTION 5 · 远程控制
   ============================================================ */
.remote-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.channel-row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 26px; }
.channel {
  display: inline-flex; align-items: center; gap: 7px;
  font-size: 14px; font-weight: 600; color: var(--ink-soft);
  background: var(--card); border: 1px solid var(--line); border-radius: 999px;
  padding: 8px 18px; box-shadow: var(--shadow-sm);
}
/* 手机对话卡（自绘） */
.phone-chat {
  max-width: 400px; margin: 0 auto; background: var(--bg-warm);
  border: 1px solid var(--line); border-radius: 22px; padding: 18px 16px 22px;
  box-shadow: var(--shadow); display: flex; flex-direction: column; gap: 10px;
}
.chat-head {
  text-align: center; font-size: 13.5px; font-weight: 700; color: var(--ink);
  padding-bottom: 12px; border-bottom: 1px solid var(--line); margin-bottom: 4px;
  display: flex; align-items: center; justify-content: center; gap: 7px;
}
.chat-dot { width: 8px; height: 8px; border-radius: 50%; background: #7fc492; box-shadow: 0 0 0 3px rgba(127,196,146,.25); }
.msg {
  max-width: 78%; padding: 10px 14px; border-radius: 14px;
  font-size: 13.5px; line-height: 1.55; color: var(--ink);
}
.msg.me { align-self: flex-end; background: #e7f0d8; border-radius: 14px 14px 4px 14px; }
.msg.ai { align-self: flex-start; background: var(--card); box-shadow: var(--shadow-sm); border-radius: 14px 14px 14px 4px; }
.msg.file { font-size: 12.5px; color: var(--clay); font-weight: 600; }

/* ============================================================
   SECTION 6 · 自动化
   ============================================================ */
.cron-card { max-width: 760px; margin: 48px auto 0; background: var(--card); border-radius: var(--r); box-shadow: var(--shadow); padding: 14px 26px; }
.cron-row { display: flex; align-items: center; gap: 18px; padding: 17px 0; border-bottom: 1px solid var(--line); font-size: 15px; color: var(--ink-soft); }
.cron-row:last-child { border-bottom: none; }
.cron-time { font-family: var(--mono); font-size: 13px; font-weight: 700; color: var(--clay); flex: none; width: 110px; }
.cron-row span:nth-child(2) { flex: 1; }
.cron-row b { font-family: var(--mono); font-size: 11px; padding: 3px 9px; border-radius: 6px; font-weight: 600; flex: none; }
.cron-row .ok { background: rgba(120,170,110,.15); color: #5a8a4e; }

/* ============================================================
   SECTION 7 · 数据主权
   ============================================================ */
.data-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; margin-top: 48px; }
.data-card { background: var(--card); border-radius: var(--r); padding: 36px; box-shadow: var(--shadow-sm); transition: transform .35s, box-shadow .35s; }
.data-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.data-ico { font-size: 34px; margin-bottom: 14px; }
.data-card h4 { font-size: clamp(20px, 2.2vw, 25px); margin-bottom: 14px; }
.data-card p { font-size: 15.5px; color: var(--ink-soft); }
.data-card p strong { color: var(--clay); }
.data-pull { margin-top: 56px; }

/* ============================================================
   SECTION 8 · FAQ
   ============================================================ */
.faq-list { margin-top: 44px; display: flex; flex-direction: column; gap: 14px; }
.faq-item {
  background: var(--card); border: 1px solid var(--line); border-radius: 14px;
  padding: 0 24px; box-shadow: var(--shadow-sm); overflow: hidden;
}
.faq-item summary {
  list-style: none; cursor: pointer; font-weight: 700; font-size: 16.5px;
  padding: 20px 0; position: relative; padding-right: 36px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+"; position: absolute; right: 4px; top: 50%; transform: translateY(-50%);
  font-size: 22px; font-weight: 300; color: var(--clay); transition: transform .25s;
}
.faq-item[open] summary::after { transform: translateY(-50%) rotate(45deg); }
.faq-item p { font-size: 15.5px; color: var(--ink-soft); padding-bottom: 22px; max-width: 680px; }

/* ============================================================
   SECTION 9 · CTA / CONTACT
   ============================================================ */
.contact-card { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 0; border-radius: 26px; overflow: hidden; box-shadow: var(--shadow); }
.contact-left { background: var(--ink); color: var(--bg); padding: clamp(38px,5vw,60px); }
.contact-left .eyebrow { color: var(--gold); }
.contact-left .eyebrow .dot { background: var(--gold); }
.contact-left h2 { color: var(--bg); margin-bottom: 18px; }
.contact-ask { font-size: 17px; color: rgba(250,247,242,.75); margin-bottom: 26px; }

.contact-right { background: var(--card); padding: clamp(38px,5vw,60px); display: flex; flex-direction: column; }
.contact-company { font-weight: 900; font-size: 18px; margin-bottom: 24px; color: var(--ink); }
.contact-list { list-style: none; display: flex; flex-direction: column; gap: 14px; margin-bottom: 30px; }
.contact-list li { display: flex; gap: 16px; align-items: baseline; font-size: 15.5px; }
.contact-list span { font-family: var(--mono); font-size: 12px; letter-spacing: .08em; text-transform: uppercase; color: var(--ink-mute); flex: none; width: 44px; }
.contact-list a { color: var(--clay); border-bottom: 1px solid transparent; transition: border-color .2s; }
.contact-list a:hover { border-color: var(--clay); }
.contact-list b { color: var(--ink); }
.contact-slogan { margin-top: auto; font-family: var(--serif); font-weight: 700; font-size: 19px; color: var(--ink); padding-top: 24px; border-top: 1px solid var(--line); }

/* ============================================================
   FOOTER
   ============================================================ */
.footer { background: var(--ink); color: rgba(250,247,242,.7); padding: 56px 0 40px; }
.footer-inner { display: flex; flex-wrap: wrap; gap: 32px; align-items: center; justify-content: space-between; }
.footer-brand { display: flex; align-items: center; gap: 12px; color: var(--bg); font-weight: 800; font-size: 16px; }
.footer-brand .brand-mark { color: var(--clay); width: 32px; height: 32px; }
.footer-meta { font-size: 13.5px; line-height: 1.8; text-align: center; }
.footer-meta p { margin: 0; }
.footer-copy { color: rgba(250,247,242,.45) !important; margin-top: 6px !important; }
.footer-social { display: flex; gap: 20px; }
.footer-social a { font-size: 14px; color: rgba(250,247,242,.8); border-bottom: 1px solid transparent; transition: border-color .2s, color .2s; }
.footer-social a:hover { color: var(--gold); border-color: var(--gold); }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 980px) {
  .nav-links { display: none; }
  .pc-br { display: none; }
  .stack-layer { grid-template-columns: 44px 1fr; }
  .layer-media { grid-column: 1 / -1; }
  .cap-grid { grid-template-columns: repeat(2, 1fr); }
  .cowork-grid, .remote-grid { grid-template-columns: 1fr; gap: 40px; }
  .data-grid { grid-template-columns: 1fr; }
  .contact-card { grid-template-columns: 1fr; }
}
@media (max-width: 620px) {
  .cap-grid { grid-template-columns: 1fr; }
  .steps { flex-direction: column; }
  .step-arrow { transform: rotate(90deg); }
  .hero-steps { flex-wrap: wrap; }
  .cron-row { flex-wrap: wrap; gap: 8px; }
  .cron-time { width: auto; }
}