/**
 * Soul of Model Technology — Demo 主题
 * 依据仓库内《Soul-of-Model-Technology-视觉设计方案.md》v1.0
 */

@import url("https://fonts.googleapis.com/css2?family=Figtree:ital,wght@0,400;0,500;0,600;0,700;1,400&family=JetBrains+Mono:wght@400;500;600;700&family=Unbounded:wght@500;600;700;800&display=swap");

:root {
  --smt-bg-deep: #07090d;
  --smt-bg-elevated: #0f1419;
  --smt-surface-glass: rgba(18, 26, 34, 0.72);
  --smt-accent-teal: #2ec4b6;
  --smt-accent-teal-dim: #1a7f76;
  --smt-forge-amber: #f0a020;
  --smt-forge-amber-deep: #b45309;
  --smt-danger: #e85d75;
  --smt-success: #3ecf8e;
  --smt-warn: #fbbf24;
  --smt-text-primary: #e8edf2;
  --smt-text-secondary: rgba(232, 237, 242, 0.62);
  --smt-text-muted: rgba(232, 237, 242, 0.38);
  --smt-border-subtle: rgba(255, 255, 255, 0.06);
  --smt-border-strong: rgba(46, 196, 182, 0.35);
  --smt-ease: cubic-bezier(0.4, 0, 0.2, 1);
  --smt-t-fast: 180ms;
  --smt-t-med: 240ms;
  --radius: 12px;
  --radius-lg: 18px;
  /* 兼容旧变量名 */
  --bg: var(--smt-bg-deep);
  --bg2: #0a0d12;
  --panel: var(--smt-bg-elevated);
  --panel-2: #121820;
  --text: var(--smt-text-primary);
  --sub: var(--smt-text-secondary);
  --brand: var(--smt-accent-teal);
  --brand2: var(--smt-accent-teal-dim);
  --edu: var(--smt-success);
  --mfg: var(--smt-accent-teal);
  --line: var(--smt-border-subtle);
  --cta: var(--smt-forge-amber);
  --cta-text: #0a0c0f;
}

body.theme-light {
  --smt-bg-deep: #eef1f4;
  --smt-bg-elevated: #ffffff;
  --smt-surface-glass: rgba(255, 255, 255, 0.88);
  --smt-text-primary: #0f1419;
  --smt-text-secondary: rgba(15, 20, 25, 0.62);
  --smt-text-muted: rgba(15, 20, 25, 0.42);
  --smt-border-subtle: rgba(15, 20, 25, 0.08);
  --smt-border-strong: rgba(46, 196, 182, 0.45);
  --bg: var(--smt-bg-deep);
  --bg2: #e4e9ef;
  --panel: #ffffff;
  --panel-2: #f6f8fa;
  --text: var(--smt-text-primary);
  --sub: var(--smt-text-secondary);
  --line: rgba(15, 20, 25, 0.1);
  --cta-text: #0a0c0f;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Figtree", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  color: var(--smt-text-primary);
  background-color: var(--smt-bg-deep);
  background-image:
    radial-gradient(ellipse 100% 80% at 12% -10%, rgba(46, 196, 182, 0.14), transparent 55%),
    radial-gradient(ellipse 70% 50% at 88% 0%, rgba(240, 160, 32, 0.06), transparent 50%),
    linear-gradient(165deg, var(--bg2) 0%, var(--smt-bg-deep) 45%, #050608 100%);
  transition: background var(--smt-t-med) var(--smt-ease), color var(--smt-t-fast) var(--smt-ease);
  min-height: 100vh;
}

body.theme-light {
  background-image:
    radial-gradient(ellipse 90% 60% at 50% -15%, rgba(46, 196, 182, 0.12), transparent 50%),
    linear-gradient(180deg, #f8fafc 0%, var(--smt-bg-deep) 100%);
}

/* 微粒噪声 */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  opacity: 0.035;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

body.theme-light::before {
  opacity: 0.02;
}

main,
header,
footer {
  position: relative;
  z-index: 1;
}

.wrap {
  width: min(1160px, 92vw);
  margin: 0 auto;
}

/* —— Header —— */
header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: color-mix(in srgb, var(--smt-bg-elevated) 82%, transparent);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--smt-border-subtle);
  box-shadow: 0 1px 0 rgba(46, 196, 182, 0.06);
}

body.theme-light header {
  background: color-mix(in srgb, #ffffff 92%, transparent);
}

nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 0;
  gap: 10px;
}

/* 顶栏 Logo：单图标格 + 左对齐字阶，避免双图标并排与两端对齐标题造成的松散感 */
a.logo {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: 12px 14px;
  min-width: 0;
  max-width: min(440px, 58vw);
  font-weight: 700;
  color: var(--smt-text-primary);
  text-decoration: none;
  border-radius: 10px;
  outline-offset: 4px;
}

a.logo:focus-visible {
  outline: 2px solid var(--smt-accent-teal);
}

.logo-mark-cell {
  width: 48px;
  height: 48px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  border: 1px solid var(--smt-border-strong);
  background:
    radial-gradient(120% 100% at 30% 20%, rgba(46, 196, 182, 0.14), transparent 55%),
    rgba(18, 26, 34, 0.65);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.06),
    0 0 0 1px rgba(46, 196, 182, 0.06);
}

body.theme-light .logo-mark-cell {
  background:
    radial-gradient(120% 100% at 30% 20%, rgba(46, 196, 182, 0.12), transparent 55%),
    #f8fafc;
}

.logo-mark-img {
  width: 36px;
  height: 36px;
  object-fit: contain;
  display: block;
}

.logo-text {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  gap: 2px;
  min-width: 0;
  line-height: 1.2;
}

.logo-title-line {
  width: 100%;
  text-align: left;
}

.logo-zh {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.04em;
  font-family: "Figtree", sans-serif;
  color: var(--smt-text-primary);
  white-space: nowrap;
}

.logo-accent {
  color: var(--smt-accent-teal);
  font-weight: 700;
}

.logo-product {
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: color-mix(in srgb, var(--smt-forge-amber) 92%, var(--smt-text-primary));
  line-height: 1.3;
  padding-bottom: 1px;
  background: linear-gradient(transparent calc(100% - 1px), rgba(240, 160, 32, 0.42) 1px);
  background-size: 0 100%;
  background-repeat: no-repeat;
  transition: background-size var(--smt-t-med) var(--smt-ease);
}

a.logo:hover .logo-product {
  background-size: 100% 100%;
}

.logo-subline {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0 6px;
  max-width: 100%;
  font-family: "JetBrains Mono", monospace;
  font-size: 9.5px;
  font-weight: 500;
  line-height: 1.35;
  letter-spacing: 0.04em;
  color: var(--smt-text-muted);
  text-transform: uppercase;
}

.logo-sub-sep {
  opacity: 0.55;
  user-select: none;
}

.logo-sub-tag {
  color: color-mix(in srgb, var(--smt-text-muted) 85%, var(--smt-accent-teal));
}

@media (max-width: 520px) {
  a.logo {
    gap: 10px;
    max-width: min(320px, 70vw);
  }

  .logo-mark-cell {
    width: 42px;
    height: 42px;
    border-radius: 10px;
  }

  .logo-mark-img {
    width: 30px;
    height: 30px;
  }

  .logo-zh {
    font-size: 16px;
    letter-spacing: 0.02em;
  }

  .logo-product {
    font-size: 11.5px;
  }

  .logo-subline {
    font-size: 8.5px;
    letter-spacing: 0.03em;
  }
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

header .links a {
  color: var(--smt-text-secondary);
  text-decoration: none;
  margin-left: 12px;
  font-size: 14px;
  font-weight: 600;
  padding-bottom: 4px;
  border-bottom: 2px solid transparent;
  transition: color var(--smt-t-fast) var(--smt-ease), border-color var(--smt-t-fast) var(--smt-ease);
}

header .links a:hover {
  color: var(--smt-text-primary);
  border-bottom-color: var(--smt-accent-teal);
}

header .links a:focus-visible {
  outline: 2px solid var(--smt-accent-teal);
  outline-offset: 3px;
  border-radius: 4px;
}

header .links a.nav-active {
  color: var(--smt-text-primary);
  border-bottom-color: var(--smt-forge-amber);
}

.theme-btn {
  border: 1px solid var(--smt-border-subtle);
  background: var(--smt-bg-elevated);
  color: var(--smt-text-primary);
  border-radius: var(--radius);
  padding: 8px 12px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  font-family: inherit;
  transition: border-color var(--smt-t-fast) var(--smt-ease), background var(--smt-t-fast) var(--smt-ease);
}

body.theme-light .theme-btn {
  background: #fff;
  border-color: var(--line);
}

.theme-btn:hover {
  border-color: var(--smt-border-strong);
}

.theme-btn:focus-visible {
  outline: 2px solid var(--smt-accent-teal);
  outline-offset: 2px;
}

.lang-switch {
  position: relative;
}

.lang-trigger {
  border: none;
  background: transparent;
  color: var(--smt-accent-teal);
  border-radius: 999px;
  padding: 10px;
  min-width: 44px;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background var(--smt-t-fast) var(--smt-ease);
}

.lang-trigger:hover {
  background: rgba(46, 196, 182, 0.12);
}

.lang-trigger:focus-visible {
  outline: 2px solid var(--smt-accent-teal);
  outline-offset: 2px;
}

.lang-globe {
  width: 22px;
  height: 22px;
  color: inherit;
}

.lang-globe svg {
  width: 100%;
  height: 100%;
  display: block;
}

.lang-trigger[aria-expanded="true"] .lang-globe {
  animation: lang-globe-spin 14s linear infinite;
}

@keyframes lang-globe-spin {
  to {
    transform: rotate(360deg);
  }
}

@media (prefers-reduced-motion: reduce) {
  .lang-trigger[aria-expanded="true"] .lang-globe {
    animation: none;
  }
}

.lang-menu {
  position: absolute;
  right: 0;
  top: calc(100% + 6px);
  width: 180px;
  background: var(--smt-surface-glass);
  backdrop-filter: blur(12px);
  border: 1px solid var(--smt-border-subtle);
  border-radius: 12px;
  padding: 6px;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.4);
  display: none;
  z-index: 30;
}

body.theme-light .lang-menu {
  background: #fff;
}

.lang-menu.open {
  display: block;
}

.lang-item {
  width: 100%;
  border: 0;
  background: transparent;
  color: var(--smt-text-primary);
  border-radius: 8px;
  padding: 8px 10px;
  text-align: left;
  font-size: 12px;
  cursor: pointer;
  font-family: inherit;
}

.lang-item:hover {
  background: rgba(46, 196, 182, 0.1);
}

.lang-item.coming {
  color: var(--smt-text-muted);
  border: 1px dashed var(--smt-border-subtle);
}

.health-indicator {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
  box-shadow: 0 0 0 2px var(--smt-border-subtle);
  transition: background-color 0.25s ease, box-shadow 0.25s ease;
}

.health-indicator.health-ok {
  background: var(--smt-success);
  box-shadow: 0 0 0 2px rgba(62, 207, 142, 0.35), 0 0 14px rgba(62, 207, 142, 0.35);
}

.health-indicator.health-warn {
  background: var(--smt-warn);
}

.health-indicator.health-off {
  background: var(--smt-danger);
}

.center-site {
  text-align: center;
}

/* —— Hero —— */
.hero-smt {
  padding: 48px 0 32px;
  text-align: center;
}

.hero-layout {
  display: block;
  width: 100%;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.hero-main {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 18px;
}

.tagline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  width: fit-content;
  border: 1px solid var(--smt-border-subtle);
  border-radius: 999px;
  padding: 7px 14px;
  color: var(--smt-text-secondary);
  background: rgba(18, 26, 34, 0.5);
  font-size: 13px;
}

body.theme-light .tagline {
  background: rgba(255, 255, 255, 0.7);
}

.tagline .dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--smt-success);
}

h1#hero-title,
.hero-title {
  margin: 0;
  font-family: "Unbounded", sans-serif;
  font-size: clamp(1.75rem, 4.2vw, 3rem);
  font-weight: 700;
  line-height: 1.18;
  letter-spacing: -0.02em;
  color: var(--smt-text-primary);
}

.hero-product-line {
  margin: 0.65rem 0 0;
  font-size: 0.9375rem;
  font-weight: 600;
  line-height: 1.45;
  letter-spacing: 0.03em;
  color: var(--smt-text-secondary);
}

@media (min-width: 901px) {
  .hero-product-line {
    font-size: 1rem;
  }
}

@media (prefers-reduced-motion: no-preference) {
  #hero-title {
    animation: hero-line-in 0.72s var(--smt-ease) both;
  }
  @keyframes hero-line-in {
    from {
      opacity: 0;
      transform: translateY(10px);
    }
    to {
      opacity: 1;
      transform: none;
    }
  }
}

.lead {
  color: var(--smt-text-secondary);
  max-width: 100%;
  line-height: 1.75;
  margin: 0 auto;
  font-size: 1rem;
}

@media (min-width: 901px) {
  .lead {
    font-size: 1.02rem;
  }
}

.cta {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 4px;
  justify-content: center;
}

.btn {
  display: inline-block;
  border: 1px solid transparent;
  border-radius: 999px;
  padding: 11px 22px;
  text-decoration: none;
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  font-family: inherit;
  transition:
    filter var(--smt-t-fast) var(--smt-ease),
    box-shadow var(--smt-t-fast) var(--smt-ease),
    transform 0.1s var(--smt-ease),
    border-color var(--smt-t-fast) var(--smt-ease),
    background var(--smt-t-fast) var(--smt-ease);
}

.btn:active {
  transform: scale(0.98);
}

.btn.primary {
  background: var(--smt-forge-amber);
  color: var(--cta-text);
  border-color: var(--smt-forge-amber-deep);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.25),
    0 6px 22px rgba(240, 160, 32, 0.28);
}

.btn.primary:hover {
  filter: brightness(1.05);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.28),
    0 8px 28px rgba(240, 160, 32, 0.35);
}

.btn.ghost {
  border-color: var(--smt-border-subtle);
  color: var(--smt-text-primary);
  background: var(--smt-surface-glass);
  backdrop-filter: blur(8px);
}

.btn.ghost:hover {
  border-color: var(--smt-border-strong);
  background: rgba(46, 196, 182, 0.08);
}

.btn:focus-visible {
  outline: 2px solid var(--smt-accent-teal);
  outline-offset: 3px;
}

.hero-pills {
  margin-top: 20px;
  justify-content: center;
  max-width: 800px;
  width: 100%;
  margin-left: auto;
  margin-right: auto;
  box-sizing: border-box;
}

.pill-wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 8px;
}

.pill {
  border: 1px solid var(--smt-border-subtle);
  border-radius: 999px;
  padding: 6px 12px;
  color: var(--smt-text-secondary);
  font-size: 12px;
  font-weight: 500;
  background: rgba(18, 26, 34, 0.45);
}

body.theme-light .pill {
  background: rgba(255, 255, 255, 0.75);
}

section {
  padding: 28px 0;
}

h2 {
  margin: 0 0 14px;
  font-family: "Unbounded", sans-serif;
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  text-align: left;
  color: var(--smt-text-primary);
}

.center-site > section > h2 {
  text-align: center;
}

h3 {
  margin: 0 0 8px;
  font-size: 1.05rem;
  font-weight: 600;
  color: color-mix(in srgb, var(--smt-text-primary) 94%, var(--smt-accent-teal));
}

p {
  margin: 0;
  color: var(--smt-text-secondary);
  line-height: 1.7;
  font-size: 14px;
}

/* Frost forge cards */
.card {
  background: var(--smt-surface-glass);
  backdrop-filter: blur(12px);
  border: 1px solid var(--smt-border-subtle);
  border-radius: var(--radius-lg);
  padding: 20px;
  box-shadow:
    0 0 0 1px rgba(46, 196, 182, 0.06),
    0 20px 40px rgba(0, 0, 0, 0.35);
  transition:
    transform var(--smt-t-med) var(--smt-ease),
    border-color var(--smt-t-med) var(--smt-ease),
    box-shadow var(--smt-t-med) var(--smt-ease);
}

body.theme-light .card {
  background: #fff;
  box-shadow: 0 12px 32px rgba(15, 20, 25, 0.08);
}

.card:hover {
  transform: translateY(-3px);
  border-color: var(--smt-border-strong);
  box-shadow:
    0 0 0 1px rgba(46, 196, 182, 0.12),
    0 24px 48px rgba(0, 0, 0, 0.4);
}

@media (prefers-reduced-motion: reduce) {
  .card:hover {
    transform: none;
  }
}

.grid {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.two-col {
  display: grid;
  grid-template-columns: 1.3fr 0.9fr;
  gap: 14px;
}

.proposal-head {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 14px;
}

.kpi .num {
  font-family: "JetBrains Mono", monospace;
  font-size: 26px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  background: linear-gradient(135deg, var(--smt-forge-amber), var(--smt-accent-teal));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.kpi-disclaimer {
  margin: -4px auto 16px;
  max-width: 560px;
  font-size: 12px;
  color: var(--smt-text-muted);
  line-height: 1.5;
  text-align: center;
}

.biz-grid {
  gap: 16px;
}

.biz-card {
  position: relative;
  overflow: hidden;
  text-align: left;
  padding-top: 22px;
}

.biz-card-bar {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
}

.biz-card--edu .biz-card-bar {
  background: linear-gradient(90deg, var(--smt-success), var(--smt-accent-teal));
}

.biz-card--ai .biz-card-bar {
  background: linear-gradient(90deg, var(--smt-accent-teal), var(--smt-forge-amber));
}

.biz-card--mfg .biz-card-bar {
  background: linear-gradient(90deg, var(--smt-accent-teal-dim), var(--smt-accent-teal));
}

.biz-card--growth .biz-card-bar {
  background: linear-gradient(90deg, var(--smt-forge-amber), rgba(240, 160, 32, 0.5));
}

.biz-chip {
  display: inline-block;
  font-family: "JetBrains Mono", monospace;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--smt-text-muted);
  margin-bottom: 6px;
}

.biz-panorama-card {
  margin-top: 16px;
  padding: 16px;
}

.panorama-exhibit {
  border: 1px solid var(--smt-border-strong);
  border-radius: var(--radius-lg);
  background: color-mix(in srgb, var(--smt-bg-elevated) 90%, transparent);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.04),
    0 12px 40px rgba(0, 0, 0, 0.35);
  padding: 10px;
}

.brand-hero {
  width: 100%;
  height: 220px;
  object-fit: cover;
  border-radius: 12px 12px 8px 8px;
  border: 1px solid var(--smt-border-subtle);
}

.panorama-thumb {
  display: block;
  width: 100%;
  margin: 0;
  padding: 0;
  border: none;
  background: transparent;
  cursor: zoom-in;
  line-height: 0;
  font: inherit;
  color: inherit;
}

.panorama-thumb:focus-visible {
  outline: 2px solid var(--smt-accent-teal);
  outline-offset: 3px;
}

.logo-caption {
  margin-top: 10px;
  color: var(--smt-text-secondary);
  font-size: 13px;
}

.panorama-hint {
  margin: 6px 0 0;
  font-size: 12px;
  color: var(--smt-text-muted);
  font-family: "JetBrains Mono", monospace;
}

.timeline {
  display: grid;
  gap: 10px;
}

.timeline .item {
  border-left: 3px solid var(--smt-border-strong);
  padding: 8px 0 8px 12px;
  background: rgba(18, 26, 34, 0.4);
  border-radius: 0 8px 8px 0;
}

body.theme-light .timeline .item {
  background: linear-gradient(
    90deg,
    color-mix(in srgb, var(--smt-accent-teal) 12%, #ffffff) 0%,
    #f8fafc 28%,
    #f8fafc 100%
  );
  border-left-color: var(--smt-accent-teal);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.9);
}

.proposal-list {
  display: grid;
  gap: 8px;
}

.proposal-list div {
  padding: 10px;
  border-radius: 10px;
  border: 1px dashed var(--smt-border-subtle);
  color: var(--smt-text-secondary);
  background: rgba(18, 26, 34, 0.35);
  text-align: left;
}

body.theme-light .proposal-list div {
  background: #f8fafc;
  border: 1px solid color-mix(in srgb, var(--smt-accent-teal) 22%, transparent);
  border-style: solid;
  color: var(--smt-text-secondary);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.9) inset;
}

.case-viewport {
  min-height: 170px;
  border-radius: 12px;
  border: 1px solid var(--smt-border-subtle);
  background: rgba(18, 26, 34, 0.4);
  padding: 16px;
  text-align: left;
}

body.theme-light .case-viewport {
  background: linear-gradient(
    165deg,
    color-mix(in srgb, var(--smt-accent-teal) 8%, #ffffff) 0%,
    #f8fafc 45%,
    #f8fafc 100%
  );
  border: 1px solid color-mix(in srgb, var(--smt-accent-teal) 22%, transparent);
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.95) inset,
    0 8px 24px rgba(15, 20, 25, 0.06);
}

.case-title {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--smt-text-primary);
}

.case-meta {
  font-family: "JetBrains Mono", monospace;
  font-size: 11px;
  color: var(--smt-text-muted);
  margin-bottom: 8px;
}

.case-desc {
  color: var(--smt-text-secondary);
  line-height: 1.7;
  font-size: 14px;
}

.case-box {
  display: grid;
  gap: 10px;
}

.case-actions {
  display: flex;
  gap: 8px;
  justify-content: center;
}

.mini-btn {
  border: 1px solid var(--smt-border-subtle);
  background: var(--smt-surface-glass);
  color: var(--smt-text-primary);
  border-radius: var(--radius);
  padding: 8px 12px;
  cursor: pointer;
  font-size: 12px;
  font-family: inherit;
  font-weight: 600;
  transition: border-color var(--smt-t-fast) var(--smt-ease);
}

.mini-btn:hover {
  border-color: var(--smt-border-strong);
}

.mini-btn:focus-visible {
  outline: 2px solid var(--smt-accent-teal);
  outline-offset: 2px;
}

.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.form {
  display: grid;
  gap: 10px;
}

.field {
  display: grid;
  gap: 6px;
}

.field label {
  font-size: 13px;
  color: var(--smt-text-secondary);
  text-align: left;
}

.field input,
.field select,
.field textarea {
  width: 100%;
  border: 1px solid var(--smt-border-subtle);
  border-radius: var(--radius);
  background: rgba(18, 26, 34, 0.5);
  color: var(--smt-text-primary);
  padding: 10px 12px;
  font: inherit;
  transition: border-color var(--smt-t-fast) var(--smt-ease), box-shadow var(--smt-t-fast) var(--smt-ease);
}

body.theme-light .field input,
body.theme-light .field select,
body.theme-light .field textarea {
  background: #fff;
}

.field input:focus-visible,
.field select:focus-visible,
.field textarea:focus-visible {
  outline: none;
  border-color: var(--smt-border-strong);
  box-shadow: 0 0 0 3px rgba(46, 196, 182, 0.18);
}

.field textarea {
  min-height: 92px;
  resize: vertical;
}

.submit-note {
  font-size: 13px;
  color: var(--smt-text-secondary);
  min-height: 18px;
}

footer {
  border-top: 1px solid var(--smt-border-subtle);
  margin-top: 24px;
  padding: 20px 0 36px;
  color: var(--smt-text-muted);
  font-size: 12px;
  font-family: "JetBrains Mono", monospace;
}

.panorama-lightbox {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: max(16px, 3vw);
  box-sizing: border-box;
  background: rgba(7, 9, 13, 0.88);
  backdrop-filter: blur(8px);
  cursor: zoom-out;
}

.panorama-lightbox[hidden] {
  display: none !important;
}

.panorama-lightbox-img {
  display: block;
  max-width: min(96vw, 1680px);
  max-height: 92vh;
  width: auto;
  height: auto;
  object-fit: contain;
  border-radius: 12px;
  border: 1px solid var(--smt-border-subtle);
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.5);
}

@media (max-width: 960px) {
  .proposal-head,
  .contact-layout,
  .two-col {
    grid-template-columns: 1fr;
  }
}

.kpi {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}

@media (max-width: 760px) {
  .kpi {
    grid-template-columns: repeat(2, 1fr);
  }
  .links {
    display: none;
  }
}