/* ==========================================================================
   中琅软件 · 公司门户设计系统
   --------------------------------------------------------------------------
   Palette  : navy #0F172A · slate #334155 · CTA blue #0369A1 · bg #F8FAFC
   Type     : Inter + PingFang SC / Microsoft YaHei / Noto Sans SC
   Pattern  : Enterprise Gateway — Trust & Authority
   ========================================================================== */

/* ---------- 1. Design Tokens ---------- */
:root {
  /* Color */
  --c-primary: #0f172a;      /* 藏青 · 主色 */
  --c-secondary: #334155;    /* 石板蓝 · 次级 */
  --c-accent: #0369a1;       /* 科技蓝 · CTA */
  --c-accent-strong: #075985;
  --c-accent-soft: #e0f2fe;  /* 浅蓝衬底 */
  --c-accent-softer: #f0f9ff;
  --c-tint: #e6f1fc;         /* 分割条浅蓝背景（略深） */
  --c-bg: #f8fafc;           /* 页面背景 */
  --c-surface: #ffffff;      /* 卡片背景 */
  --c-text: #020617;         /* 正文 */
  --c-text-muted: #475569;   /* 次要文字 (≥4.5:1) */
  --c-text-faint: #64748b;
  --c-border: #e2e8f0;       /* 描边 */
  --c-border-strong: #cbd5e1;
  --c-success: #15803d;
  --c-success-soft: #f0fdf4;
  --c-warning: #b45309;
  --c-warning-soft: #fffbeb;
  --c-white: #ffffff;

  /* On-dark */
  --c-on-dark-heading: #f8fafc;
  --c-on-dark-text: #cbd5e1;
  --c-on-dark-muted: #94a3b8;

  /* Typography */
  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI",
    "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei",
    "Noto Sans SC", sans-serif;
  --fs-xs: 0.8125rem;    /* 13px */
  --fs-sm: 0.875rem;     /* 14px */
  --fs-base: 1rem;       /* 16px */
  --fs-md: 1.125rem;     /* 18px */
  --fs-lg: 1.375rem;     /* 22px */
  --fs-xl: 1.75rem;      /* 28px */
  --fs-2xl: 2.25rem;     /* 36px */
  --fs-3xl: 3rem;        /* 48px */
  --fs-hero: clamp(2rem, 5vw, 3.5rem);

  --leading-tight: 1.2;
  --leading-base: 1.6;
  --leading-relaxed: 1.75;

  /* Spacing */
  --sp-1: 0.25rem;
  --sp-2: 0.5rem;
  --sp-3: 0.75rem;
  --sp-4: 1rem;
  --sp-5: 1.25rem;
  --sp-6: 1.5rem;
  --sp-8: 2rem;
  --sp-10: 2.5rem;
  --sp-12: 3rem;
  --sp-16: 4rem;
  --sp-20: 5rem;
  --sp-24: 6rem;

  /* Radius */
  --r-sm: 6px;
  --r-md: 10px;
  --r-lg: 16px;
  --r-xl: 24px;
  --r-full: 9999px;

  /* Shadow */
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.06);
  --shadow-md: 0 4px 12px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 12px 32px rgba(15, 23, 42, 0.12);
  --shadow-brand: 0 8px 24px rgba(3, 105, 161, 0.28);

  /* Motion */
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --dur: 200ms;
  --dur-slow: 420ms;

  /* Layout */
  --container: 72rem;         /* 1152px */
  --container-narrow: 52rem;  /* 832px */
  --nav-h: 4rem;
  --header-h: 4.25rem;

  /* z-index scale */
  --z-dropdown: 30;
  --z-sticky: 40;
  --z-drawer: 50;
  --z-overlay: 45;
}

/* ---------- 2. Reset & Base ---------- */
*, *::before, *::after { box-sizing: border-box; }

* { margin: 0; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 1rem);
}

body {
  font-family: var(--font-sans);
  font-size: var(--fs-base);
  line-height: var(--leading-base);
  color: var(--c-text);
  background: var(--c-bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img, svg, video { display: block; max-width: 100%; }

img { height: auto; }

h1, h2, h3, h4, h5 {
  font-weight: 700;
  line-height: var(--leading-tight);
  color: var(--c-primary);
  text-wrap: balance;
}

h1 { font-size: var(--fs-hero); letter-spacing: -0.02em; }
h2 { font-size: var(--fs-2xl); letter-spacing: -0.01em; }
h3 { font-size: var(--fs-xl); }
h4 { font-size: var(--fs-lg); }
h5 { font-size: var(--fs-md); }

p { text-wrap: pretty; }

/* 正文段落首行缩进（中文排版惯例：首行缩进 2 字符） */
p { text-indent: 2em; }
/* 组件化短文本不缩进 */
.card p, .hero__lead, .hero__meta, .hero__row span,
.section-head--center p, .faq__a-inner p, .cta-band p,
.form p, .form__hint, .form__note, .footer p,
.step p, .timeline p, .contact-card p, .stat__label,
.breadcrumb { text-indent: 0; }

a { color: var(--c-accent); text-decoration: none; }
a:hover { color: var(--c-accent-strong); }

ul, ol { padding-left: 1.25rem; }

::selection { background: var(--c-accent); color: #fff; }

:focus-visible {
  outline: 3px solid var(--c-accent);
  outline-offset: 2px;
  border-radius: 4px;
}

/* ---------- 3. Utilities ---------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: clamp(1.25rem, 4vw, 2rem);
}

.container-narrow { max-width: var(--container-narrow); }

.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

.text-center { text-align: center; }
.text-muted { color: var(--c-text-muted); }
.text-accent { color: var(--c-accent); }

.mt-2 { margin-top: var(--sp-2); }
.mt-4 { margin-top: var(--sp-4); }
.mt-6 { margin-top: var(--sp-6); }
.mt-8 { margin-top: var(--sp-8); }
.mt-12 { margin-top: var(--sp-12); }
.mb-4 { margin-bottom: var(--sp-4); }
.mb-8 { margin-bottom: var(--sp-8); }

/* Section scaffolding */
.section { padding-block: var(--sp-16); }
.section--tight { padding-block: var(--sp-10); }
.section--dark {
  background: linear-gradient(180deg, #0b1220 0%, var(--c-primary) 100%);
  color: var(--c-on-dark-text);
}
.section--dark h2, .section--dark h3 { color: var(--c-on-dark-heading); }
.section--dark .text-muted { color: var(--c-on-dark-muted); }
.section--tint { background: var(--c-tint); }

.section-head {
  max-width: 46rem;
  margin-bottom: var(--sp-12);
}
.section-head--center { margin-inline: auto; text-align: center; }
.section-head h2 { margin-top: var(--sp-3); }
.section-head p { margin-top: var(--sp-3); color: var(--c-text-muted); font-size: var(--fs-md); }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  font-size: var(--fs-xs);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--c-accent);
  background: var(--c-accent-soft);
  padding: var(--sp-1) var(--sp-3);
  border-radius: var(--r-full);
}

/* ---------- 4. Buttons & Badges ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-2);
  font-weight: 600;
  font-size: var(--fs-sm);
  line-height: 1;
  padding: 0.8rem 1.5rem;
  border-radius: var(--r-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: background-color var(--dur) var(--ease),
              color var(--dur) var(--ease),
              border-color var(--dur) var(--ease),
              box-shadow var(--dur) var(--ease),
              transform var(--dur) var(--ease);
  min-height: 44px;
  white-space: nowrap;
}
.btn svg { flex-shrink: 0; }

.btn--primary {
  background: var(--c-accent);
  color: #fff;
  box-shadow: var(--shadow-brand);
}
.btn--primary:hover {
  background: var(--c-accent-strong);
  color: #fff;
  transform: translateY(-1px);
}

.btn--dark {
  background: var(--c-primary);
  color: #fff;
}
.btn--dark:hover { background: #1e293b; color: #fff; transform: translateY(-1px); }

.btn--outline {
  background: transparent;
  color: var(--c-primary);
  border-color: var(--c-border-strong);
}
.btn--outline:hover { border-color: var(--c-accent); color: var(--c-accent); background: var(--c-accent-softer); }

.btn--light {
  background: #fff;
  color: var(--c-primary);
}
.btn--light:hover { background: var(--c-accent-soft); color: var(--c-accent-strong); transform: translateY(-1px); }

.btn--ghost-dark {
  background: transparent;
  color: var(--c-on-dark-heading);
  border-color: rgba(148, 163, 184, 0.5);
}
.btn--ghost-dark:hover { border-color: #fff; color: #fff; background: rgba(255,255,255,0.08); }

.btn--lg { padding: 1rem 2rem; font-size: var(--fs-base); }

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  font-size: var(--fs-xs);
  font-weight: 600;
  color: var(--c-accent-strong);
  background: var(--c-accent-soft);
  padding: 0.3rem 0.7rem;
  border-radius: var(--r-full);
}
.badge--dark { color: var(--c-on-dark-heading); background: rgba(255,255,255,0.12); }
.badge--success { color: var(--c-success); background: var(--c-success-soft); }
.badge--warning { color: var(--c-warning); background: var(--c-warning-soft); }

/* ---------- 5. Header / Nav ---------- */
.header {
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--c-border);
  transition: box-shadow var(--dur) var(--ease);
}
.header.is-scrolled { box-shadow: var(--shadow-sm); }

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-h);
  gap: var(--sp-4);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-3);
  color: var(--c-primary);
}
.brand:hover { color: var(--c-primary); }
.brand__logo { width: 40px; height: 40px; }
.brand__text { display: flex; flex-direction: column; line-height: 1.15; }
.brand__name { font-size: var(--fs-md); font-weight: 800; letter-spacing: 0.02em; }
.brand__sub { font-size: 0.6875rem; color: var(--c-text-muted); letter-spacing: 0.12em; text-transform: uppercase; }

.nav__menu {
  display: flex;
  align-items: center;
  gap: var(--sp-1);
  list-style: none;
  padding: 0;
  margin: 0;
}
.nav__item { position: relative; }
.nav__link {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.6rem 0.875rem;
  border-radius: var(--r-md);
  color: var(--c-secondary);
  font-weight: 500;
  font-size: var(--fs-sm);
  transition: color var(--dur), background-color var(--dur);
}
.nav__link:hover { color: var(--c-accent); background: var(--c-tint); }
.nav__link[aria-current="page"] { color: var(--c-accent); font-weight: 600; }
.nav__chev { transition: transform var(--dur) var(--ease); }
.nav__item:hover .nav__chev,
.nav__item:focus-within .nav__chev { transform: rotate(180deg); }

.nav__actions { display: flex; align-items: center; gap: var(--sp-3); }
.nav__cta { padding: 0.6rem 1.1rem; min-height: 40px; }

/* Dropdown */
.dropdown {
  position: absolute;
  top: calc(100% + 0.5rem);
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  width: 640px;
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-lg);
  padding: var(--sp-4);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease), visibility var(--dur);
}
.nav__item:hover .dropdown,
.nav__item:focus-within .dropdown {
  opacity: 1; visibility: visible; pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}
/* 悬停桥接：填补“产品中心”与下拉窗口之间的空隙，
   防止鼠标从导航项移动到下拉窗口时悬停中断导致窗口消失 */
.dropdown::before {
  content: "";
  position: absolute;
  top: -0.75rem;
  left: 0;
  right: 0;
  height: 0.75rem;
}
.dropdown__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--sp-2);
}
.dropdown__link {
  display: flex;
  gap: var(--sp-3);
  padding: var(--sp-3);
  border-radius: var(--r-md);
  color: var(--c-primary);
  transition: background-color var(--dur);
}
.dropdown__link:hover { background: var(--c-tint); color: var(--c-primary); }
.dropdown__icon {
  flex-shrink: 0;
  width: 40px; height: 40px;
  display: grid; place-items: center;
  background: var(--c-accent-soft);
  border-radius: var(--r-md);
  color: var(--c-accent);
}
.dropdown__title { font-weight: 600; font-size: var(--fs-sm); }
.dropdown__desc { font-size: var(--fs-xs); color: var(--c-text-muted); margin-top: 2px; line-height: 1.45; }
.dropdown__footer {
  margin-top: var(--sp-3);
  padding-top: var(--sp-3);
  border-top: 1px solid var(--c-border);
  text-align: center;
}
.dropdown__all {
  font-size: var(--fs-sm); font-weight: 600; color: var(--c-accent);
}
.dropdown__all:hover { text-decoration: underline; }

/* Hamburger */
.nav__toggle {
  display: none;
  width: 44px; height: 44px;
  align-items: center;
  justify-content: center;
  background: none;
  border: 1px solid var(--c-border);
  border-radius: var(--r-md);
  cursor: pointer;
  color: var(--c-primary);
}
.nav__toggle svg { width: 24px; height: 24px; }

/* Mobile drawer */
.drawer {
  position: fixed;
  inset: 0 auto 0 0;
  width: min(82vw, 22rem);
  background: var(--c-surface);
  z-index: var(--z-drawer);
  transform: translateX(-105%);
  transition: transform var(--dur-slow) var(--ease);
  display: flex;
  flex-direction: column;
  padding: var(--sp-6);
  overflow-y: auto;
}
.drawer.is-open { transform: translateX(0); }
.drawer__head { display: flex; align-items: center; justify-content: space-between; margin-bottom: var(--sp-6); }
.drawer__close { width: 44px; height: 44px; display: grid; place-items: center; background: none; border: none; cursor: pointer; color: var(--c-primary); border-radius: var(--r-md); }
.drawer__close:hover { background: var(--c-bg); }
.drawer__nav { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: var(--sp-1); }
.drawer__link {
  display: flex; align-items: center; justify-content: space-between;
  padding: var(--sp-3) var(--sp-2);
  border-radius: var(--r-md);
  color: var(--c-primary); font-weight: 500; font-size: var(--fs-md);
}
.drawer__link:hover { background: var(--c-accent-softer); color: var(--c-accent-strong); }
.drawer__sub { display: none; list-style: none; padding: 0 0 0 var(--sp-4); }
.drawer__sub[data-open="true"] { display: block; }
.drawer__sub-link {
  display: block; padding: var(--sp-2) var(--sp-2);
  color: var(--c-text-muted); font-size: var(--fs-sm); border-radius: var(--r-sm);
}
.drawer__sub-link:hover { background: var(--c-bg); color: var(--c-accent-strong); }
.drawer__footer { margin-top: auto; padding-top: var(--sp-6); display: grid; gap: var(--sp-3); }

.overlay {
  position: fixed; inset: 0;
  background: rgba(2, 6, 23, 0.5);
  z-index: var(--z-overlay);
  opacity: 0; visibility: hidden;
  transition: opacity var(--dur), visibility var(--dur);
}
.overlay.is-open { opacity: 1; visibility: visible; }

/* ---------- 6. Hero ---------- */
.hero {
  position: relative;
  background: radial-gradient(60rem 34rem at 78% -10%, rgba(14, 165, 233, 0.16), transparent 60%),
              radial-gradient(50rem 30rem at 8% 110%, rgba(3, 105, 161, 0.12), transparent 55%),
              var(--c-primary);
  color: var(--c-on-dark-text);
  overflow: hidden;
}
.hero__grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: var(--sp-12);
  align-items: center;
  padding-block: clamp(4rem, 8vw, 7rem);
}
.hero h1 {
  color: var(--c-on-dark-heading);
  font-size: clamp(1.75rem, 4.2vw, 3rem); /* 比全局 h1 小一级 */
}
.hero__lead { margin-top: var(--sp-6); font-size: var(--fs-lg); color: var(--c-on-dark-text); max-width: 34rem; line-height: var(--leading-relaxed); }
.hero__meta { margin-top: var(--sp-4); color: var(--c-on-dark-muted); font-size: var(--fs-sm); }
.hero__actions { display: flex; flex-wrap: wrap; gap: var(--sp-3); margin-top: var(--sp-8); }
.hero__trust { display: flex; flex-wrap: wrap; gap: var(--sp-6); margin-top: var(--sp-10); padding-top: var(--sp-6); border-top: 1px solid rgba(148,163,184,0.2); }
.hero__trust-item { display: flex; flex-direction: column; gap: 2px; }
.hero__trust-num { font-size: var(--fs-xl); font-weight: 800; color: var(--c-on-dark-heading); }
.hero__trust-label { font-size: var(--fs-xs); color: var(--c-on-dark-muted); }

.hero__visual { position: relative; }
.hero__card {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.14);
  border-radius: var(--r-lg);
  backdrop-filter: blur(8px);
  padding: var(--sp-6);
}
.hero__card-title { color: var(--c-on-dark-heading); font-size: var(--fs-md); font-weight: 600; display: flex; align-items: center; gap: var(--sp-2); margin-bottom: var(--sp-4); }
.hero__chip { font-size: var(--fs-xs); color: var(--c-on-dark-text); background: rgba(148,163,184,0.2); padding: 2px 8px; border-radius: var(--r-full); }
.hero__rows { display: grid; gap: var(--sp-3); }
.hero__row { display: flex; align-items: center; gap: var(--sp-3); padding: var(--sp-3); background: rgba(255,255,255,0.05); border-radius: var(--r-md); border: 1px solid rgba(255,255,255,0.08); }
.hero__row-icon { width: 34px; height: 34px; flex-shrink: 0; display: grid; place-items: center; border-radius: var(--r-sm); background: rgba(14,165,233,0.2); color: #7dd3fc; }
.hero__row strong { display: block; color: var(--c-on-dark-heading); font-size: var(--fs-sm); }
.hero__row span { font-size: var(--fs-xs); color: var(--c-on-dark-muted); }

.hero__glow {
  position: absolute; border-radius: 50%; filter: blur(80px); pointer-events: none;
}
.hero__glow--1 { width: 300px; height: 300px; background: rgba(3,105,161,0.5); top: -60px; right: -40px; }
.hero__glow--2 { width: 200px; height: 200px; background: rgba(14,165,233,0.35); bottom: -60px; left: 10%; }

/* ---------- 7. Cards ---------- */
.card {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--r-lg);
  padding: var(--sp-6);
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--c-border-strong);
}
.card__icon {
  width: 48px; height: 48px;
  display: grid; place-items: center;
  border-radius: var(--r-md);
  background: var(--c-accent-soft);
  color: var(--c-accent);
  margin-bottom: var(--sp-4);
}
.card h3 { margin-bottom: var(--sp-2); }
.card p { color: var(--c-text-muted); font-size: var(--fs-sm); }
.card__link { display: inline-flex; align-items: center; gap: 4px; margin-top: var(--sp-4); font-size: var(--fs-sm); font-weight: 600; color: var(--c-accent); cursor: pointer; }
.card__link:hover { gap: 8px; transition: gap var(--dur) var(--ease); }

.card--product { display: flex; flex-direction: column; }
.card--product .card__tags { margin-top: auto; padding-top: var(--sp-4); display: flex; flex-wrap: wrap; gap: var(--sp-2); }

.card--feature { border-top: 3px solid transparent; }
.card--feature:hover { border-top-color: var(--c-accent); }

.card--dark {
  background: rgba(255,255,255,0.05);
  border-color: rgba(255,255,255,0.12);
}
.card--dark:hover { border-color: rgba(255,255,255,0.28); }
.card--dark h3 { color: var(--c-on-dark-heading); }
.card--dark p { color: var(--c-on-dark-muted); }

/* ---------- 8. Grid helpers ---------- */
.grid { display: grid; gap: var(--sp-6); }
.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }
.grid--auto { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }

/* ---------- 9. Stats ---------- */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--sp-6); }
.stat { text-align: center; padding: var(--sp-6) var(--sp-4); }
.stat__num { font-size: clamp(1.75rem, 3.5vw, 2.75rem); font-weight: 800; color: var(--c-primary); line-height: 1; }
.stat__num small { font-size: 0.5em; font-weight: 700; color: var(--c-accent); }
.stat__label { margin-top: var(--sp-3); font-size: var(--fs-sm); color: var(--c-text-muted); }
.section--dark .stat__num { color: var(--c-on-dark-heading); }

/* ---------- 10. Logo strip ---------- */
.logo-strip { display: flex; flex-wrap: wrap; justify-content: center; align-items: center; gap: var(--sp-8); padding-block: var(--sp-8); opacity: 0.75; }
.logo-strip span { font-size: var(--fs-md); font-weight: 600; color: var(--c-text-muted); white-space: nowrap; }

/* ---------- 11. Split / Feature blocks ---------- */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-12);
  align-items: center;
}
.split__media { position: relative; }
.split h2 { margin-top: var(--sp-3); }
.split__body p { color: var(--c-text-muted); margin-top: var(--sp-4); }

.check-list { list-style: none; padding: 0; margin-top: var(--sp-5); display: grid; gap: var(--sp-3); }
.check-list li { display: flex; gap: var(--sp-3); align-items: flex-start; }
.check-list svg { flex-shrink: 0; margin-top: 3px; color: var(--c-accent); }
.check-list strong { color: var(--c-primary); }

/* Media panel (fake product UI) */
.media-panel {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}
.media-panel__bar {
  display: flex; align-items: center; gap: 6px;
  padding: 0.75rem 1rem;
  background: #f1f5f9;
  border-bottom: 1px solid var(--c-border);
}
.media-panel__dot { width: 10px; height: 10px; border-radius: 50%; background: var(--c-border-strong); }
.media-panel__body { padding: var(--sp-6); }
.media-panel__label { font-size: var(--fs-xs); color: var(--c-text-faint); text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: var(--sp-3); }

/* ---------- 12. Table ---------- */
.table-wrap { overflow-x: auto; border: 1px solid var(--c-border); border-radius: var(--r-lg); background: var(--c-surface); }
table { width: 100%; border-collapse: collapse; font-size: var(--fs-sm); min-width: 34rem; }
th {
  text-align: left; font-weight: 600; color: var(--c-primary);
  padding: var(--sp-4); background: #f8fafc; border-bottom: 1px solid var(--c-border);
  white-space: nowrap;
}
td { padding: var(--sp-4); border-bottom: 1px solid var(--c-border); color: var(--c-secondary); vertical-align: top; }
tbody tr:last-child td { border-bottom: 0; }
tbody tr:hover td { background: var(--c-accent-softer); }
.table-wrap .check { color: var(--c-success); font-weight: 600; }
.table-wrap .minus { color: var(--c-text-faint); }

/* ---------- 13. Steps / Timeline ---------- */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--sp-6); counter-reset: step; }
.step { position: relative; padding-top: var(--sp-8); }
.step::before {
  counter-increment: step;
  content: counter(step, decimal-leading-zero);
  position: absolute; top: 0; left: 0;
  font-size: 0.6875rem; font-weight: 700; letter-spacing: 0.05em;
  line-height: 1;
  color: var(--c-accent);
  background: var(--c-accent-soft);
  padding: 0.3rem 0.5rem; border-radius: var(--r-full);
}
.step h3 { font-size: var(--fs-md); margin-bottom: var(--sp-2); }
.step p { font-size: var(--fs-sm); color: var(--c-text-muted); }

.timeline { position: relative; max-width: 48rem; margin-inline: auto; padding-left: var(--sp-8); }
.timeline::before { content: ""; position: absolute; left: 0; top: 4px; bottom: 4px; width: 2px; background: var(--c-border-strong); }
.timeline__item { position: relative; padding-bottom: var(--sp-8); }
.timeline__item::before { content: ""; position: absolute; left: calc(-1 * var(--sp-8) - 5px); top: 6px; width: 12px; height: 12px; border-radius: 50%; background: var(--c-accent); border: 2px solid #fff; box-shadow: 0 0 0 2px var(--c-accent); }
.timeline__year { display: inline-block; font-weight: 700; color: var(--c-accent); font-size: var(--fs-sm); margin-bottom: var(--sp-2); }
.timeline__item h3 { font-size: var(--fs-md); }
.timeline__item p { color: var(--c-text-muted); font-size: var(--fs-sm); margin-top: var(--sp-2); }

/* ---------- 14. Tabs (industries) ---------- */
.tabs { display: flex; flex-wrap: wrap; gap: var(--sp-2); justify-content: center; margin-bottom: var(--sp-8); }
.tab {
  padding: 0.6rem 1.25rem; border-radius: var(--r-full);
  border: 1px solid var(--c-border-strong); background: var(--c-surface);
  font-size: var(--fs-sm); font-weight: 500; color: var(--c-secondary);
  cursor: pointer; transition: all var(--dur) var(--ease); min-height: 42px;
}
.tab:hover { border-color: var(--c-accent); color: var(--c-accent); }
.tab[aria-selected="true"] { background: var(--c-accent); border-color: var(--c-accent); color: #fff; }
.tab-panel { display: none; }
.tab-panel[aria-hidden="false"] { display: grid; gap: var(--sp-6); }

/* ---------- 15. FAQ accordion ---------- */
.faq { max-width: 46rem; margin-inline: auto; }
.faq__item { border-bottom: 1px solid var(--c-border); }
.faq__item:first-child { border-top: 1px solid var(--c-border); }
.faq__q {
  width: 100%; display: flex; align-items: center; justify-content: space-between; gap: var(--sp-4);
  padding: var(--sp-5) 0; background: none; border: none; cursor: pointer;
  font-size: var(--fs-md); font-weight: 600; color: var(--c-primary); text-align: left;
}
.faq__q:hover { color: var(--c-accent); }
.faq__icon { flex-shrink: 0; color: var(--c-accent); transition: transform var(--dur) var(--ease); }
.faq__item[data-open="true"] .faq__icon { transform: rotate(45deg); }
.faq__a {
  display: grid; grid-template-rows: 0fr;
  transition: grid-template-rows var(--dur-slow) var(--ease);
}
.faq__item[data-open="true"] .faq__a { grid-template-rows: 1fr; }
.faq__a-inner { overflow: hidden; }
.faq__a-inner p { padding-bottom: var(--sp-5); color: var(--c-text-muted); line-height: var(--leading-relaxed); }

/* ---------- 16. CTA band ---------- */
.cta-band {
  background: linear-gradient(120deg, var(--c-accent-strong) 0%, var(--c-accent) 55%, #0ea5e9 100%);
  border-radius: var(--r-xl);
  padding: clamp(2.5rem, 6vw, 4.5rem);
  color: #fff;
  position: relative;
  overflow: hidden;
}
.cta-band::after {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(24rem 12rem at 85% 0%, rgba(255,255,255,0.18), transparent 60%);
  pointer-events: none;
}
.cta-band h2 { color: #fff; font-size: clamp(1.5rem, 3vw, 2.25rem); }
.cta-band p { color: rgba(255,255,255,0.85); margin-top: var(--sp-3); font-size: var(--fs-md); max-width: 40rem; }
.cta-band__actions { display: flex; flex-wrap: wrap; gap: var(--sp-3); margin-top: var(--sp-8); }
.cta-band .btn--light:hover { color: var(--c-accent-strong); }

/* ---------- 17. Footer ---------- */
.footer { background: #0b1220; color: var(--c-on-dark-muted); margin-top: var(--sp-16); }
.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.4fr;
  gap: var(--sp-10);
  padding-block: var(--sp-16);
}
.footer h3 { color: var(--c-on-dark-heading); font-size: var(--fs-sm); margin-bottom: var(--sp-4); font-weight: 600; }
.footer__brand p { margin-top: var(--sp-4); font-size: var(--fs-sm); line-height: 1.7; max-width: 22rem; }
.footer__nav { list-style: none; padding: 0; display: grid; gap: var(--sp-3); }
.footer__nav a { color: var(--c-on-dark-muted); font-size: var(--fs-sm); }
.footer__nav a:hover { color: #fff; }
.footer__contact { display: grid; gap: var(--sp-3); font-size: var(--fs-sm); }
.footer__contact-item { display: flex; gap: var(--sp-3); align-items: flex-start; }
.footer__contact-item svg { flex-shrink: 0; margin-top: 2px; color: var(--c-accent); }
.footer__bottom {
  border-top: 1px solid rgba(148,163,184,0.18);
  padding-block: var(--sp-6);
  display: flex; flex-wrap: wrap; gap: var(--sp-4);
  justify-content: space-between; align-items: center;
  font-size: var(--fs-xs);
}
.footer__links { display: flex; gap: var(--sp-5); }
.footer__links a { color: var(--c-on-dark-muted); }
.footer__links a:hover { color: #fff; }

/* ---------- 18. Breadcrumb ---------- */
.breadcrumb { display: flex; flex-wrap: wrap; align-items: center; gap: var(--sp-2); font-size: var(--fs-xs); color: var(--c-text-muted); padding-block: var(--sp-6); }
.breadcrumb a { color: var(--c-text-muted); }
.breadcrumb a:hover { color: var(--c-accent); }
.breadcrumb__sep { color: var(--c-border-strong); }

/* ---------- 19. Page hero (inner pages) ---------- */
.page-hero {
  background: linear-gradient(180deg, #0b1220, var(--c-primary));
  color: var(--c-on-dark-text);
  padding-block: clamp(3rem, 6vw, 4.5rem);
}
.page-hero h1 { color: var(--c-on-dark-heading); }
.page-hero p { margin-top: var(--sp-4); color: var(--c-on-dark-muted); max-width: 42rem; font-size: var(--fs-md); }
.page-hero .breadcrumb { color: var(--c-on-dark-muted); padding-block: 0 0 0 0; }
.page-hero .breadcrumb a { color: var(--c-on-dark-muted); }
.page-hero .breadcrumb a:hover { color: #fff; }
.page-hero .breadcrumb__sep { color: var(--c-on-dark-muted); opacity: 0.6; }

/* ---------- 20. Contact ---------- */
.contact-grid { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: var(--sp-12); align-items: start; }
.contact-info { display: grid; gap: var(--sp-4); }
.contact-card { display: flex; gap: var(--sp-4); padding: var(--sp-5); background: var(--c-surface); border: 1px solid var(--c-border); border-radius: var(--r-lg); }
.contact-card svg { flex-shrink: 0; color: var(--c-accent); }
.contact-card strong { display: block; color: var(--c-primary); margin-bottom: 2px; }
.contact-card p { font-size: var(--fs-sm); color: var(--c-text-muted); }

.form { background: var(--c-surface); border: 1px solid var(--c-border); border-radius: var(--r-lg); padding: var(--sp-8); display: grid; gap: var(--sp-5); }
.form__row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--sp-5); }
.form label { display: block; font-size: var(--fs-sm); font-weight: 600; color: var(--c-primary); margin-bottom: var(--sp-2); }
.form input, .form select, .form textarea {
  width: 100%; padding: 0.75rem 0.875rem;
  border: 1px solid var(--c-border-strong); border-radius: var(--r-md);
  font-family: inherit; font-size: var(--fs-sm); color: var(--c-text);
  background: #fff; transition: border-color var(--dur), box-shadow var(--dur);
}
.form input:focus, .form select:focus, .form textarea:focus {
  outline: none; border-color: var(--c-accent);
  box-shadow: 0 0 0 3px rgba(3,105,161,0.15);
}
.form textarea { min-height: 9rem; resize: vertical; }
.form__hint { font-size: var(--fs-xs); color: var(--c-text-faint); margin-top: var(--sp-1); }
.form__submit { justify-self: start; }
.form__note { font-size: var(--fs-xs); color: var(--c-text-faint); }

/* ---------- 21. Scroll reveal ---------- */
.reveal { opacity: 0; transform: translateY(20px); transition: opacity 0.6s var(--ease), transform 0.6s var(--ease); }
.reveal.is-visible { opacity: 1; transform: none; }

/* ---------- 22. Responsive ---------- */
@media (max-width: 1024px) {
  :root { --fs-2xl: 2rem; --fs-3xl: 2.5rem; }
  .grid--4 { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); gap: var(--sp-8) var(--sp-6); }
  .footer__grid { grid-template-columns: 1fr 1fr; }
  .hero__grid { grid-template-columns: 1fr; gap: var(--sp-8); }
  .hero__visual { max-width: 34rem; }
  .nav__menu, .nav__actions .btn--ghost { display: none; }
  .nav__toggle { display: inline-flex; }
}

@media (max-width: 768px) {
  :root {
    --fs-hero: clamp(1.75rem, 7vw, 2.5rem);
    --fs-2xl: 1.75rem;
    --fs-lg: 1.125rem;
    --fs-xl: 1.5rem;
  }
  .section { padding-block: var(--sp-12); }
  .grid--2, .grid--3, .grid--4 { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .split { grid-template-columns: 1fr; gap: var(--sp-8); }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .contact-grid { grid-template-columns: 1fr; }
  .form__row { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr; gap: var(--sp-8); }
  .hero__trust { gap: var(--sp-4); }
  .cta-band__actions .btn { width: 100%; }
  .section-head h2 { font-size: var(--fs-2xl); }
}

@media (max-width: 480px) {
  .stats { grid-template-columns: 1fr 1fr; gap: var(--sp-4); }
  .brand__sub { display: none; }
  .btn--lg { padding: 0.9rem 1.5rem; }
}

/* ---------- 23. Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .reveal { opacity: 1; transform: none; }
}