/* infoenv-studio.com */

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

* {
  margin: 0;
  padding: 0;
}

:root {
  --bg: #f8fafc;
  --bg-alt: #eef4f8;
  --surface: #ffffff;
  --surface-soft: #f5f8fb;
  --ink: #11131a;
  --muted: #596273;
  --soft: #8b94a3;
  --line: #e1e7ef;
  --line-strong: #cbd3dc;
  --violet: #6658e8;
  --blue: #1877f2;
  --mint: #20c493;
  --coral: #ff765d;
  --amber: #ffb84d;
  --shadow-sm: 0 2px 10px rgba(23, 30, 45, 0.045);
  --shadow-md: 0 18px 44px rgba(23, 30, 45, 0.105);
  --shadow-lg: 0 34px 90px rgba(23, 30, 45, 0.15);
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Hiragino Sans', 'Yu Gothic', system-ui, sans-serif;
  --font-mono: 'SF Mono', 'Menlo', 'Consolas', monospace;
  --max-w: 1160px;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  min-height: 100vh;
  background:
    linear-gradient(180deg, #fbfcff 0%, var(--bg) 46%, #f9fbf8 100%);
  color: var(--ink);
  font-family: var(--font-sans);
  line-height: 1.65;
  letter-spacing: 0;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(rgba(17, 19, 26, 0.026) 1px, transparent 1px),
    linear-gradient(90deg, rgba(17, 19, 26, 0.026) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.58), transparent 64%);
  pointer-events: none;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  color: inherit;
  font: inherit;
}

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

header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid rgba(225, 231, 239, 0.82);
  background: rgba(255, 255, 255, 0.84);
  backdrop-filter: blur(18px) saturate(160%);
  -webkit-backdrop-filter: blur(18px) saturate(160%);
}

.header-inner {
  min-height: 70px;
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 24px;
}

.site-name {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  justify-self: start;
  font-size: 14px;
  font-weight: 800;
}

.site-mark {
  width: 30px;
  height: 30px;
  display: inline-block;
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.72), rgba(255, 255, 255, 0) 38%),
    conic-gradient(from 220deg, var(--blue), var(--mint), var(--amber), var(--coral), var(--violet), var(--blue));
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.54), var(--shadow-sm);
}

.site-nav {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  gap: 4px;
  padding: 5px;
  border: 1px solid rgba(203, 211, 220, 0.78);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.64);
}

.site-nav a {
  min-height: 32px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 15px;
  border-radius: 999px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
  transition: background 0.18s ease, color 0.18s ease;
}

.site-nav a:hover {
  background: var(--ink);
  color: #fff;
}

.footer-lang {
  min-width: 86px;
  min-height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: var(--surface);
  color: var(--muted);
  cursor: pointer;
  padding: 0 18px;
  font-size: 13px;
  font-weight: 800;
  white-space: nowrap;
  transition: transform 0.18s ease, border-color 0.18s ease, color 0.18s ease;
}

.footer-lang:hover {
  transform: translateY(-1px);
  border-color: var(--ink);
  color: var(--ink);
}

.hero {
  position: relative;
  min-height: min(720px, calc(100svh - 70px));
  display: flex;
  align-items: center;
  overflow: hidden;
  border-bottom: 1px solid rgba(225, 231, 239, 0.85);
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 72% 42%, rgba(32, 196, 147, 0.14), transparent 26%),
    radial-gradient(circle at 88% 68%, rgba(255, 118, 93, 0.09), transparent 30%),
    radial-gradient(circle at 20% 76%, rgba(24, 119, 242, 0.1), transparent 28%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.92) 0%, rgba(248, 250, 252, 0.88) 56%, rgba(248, 250, 252, 0.96) 100%);
  pointer-events: none;
}

.hero-inner {
  position: relative;
  min-height: 620px;
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(480px, 1.1fr);
  align-items: center;
  gap: 56px;
  padding: 76px 0 100px;
}

.hero-copy {
  position: relative;
  z-index: 2;
  max-width: 610px;
}

.section-label,
.section-number,
.card-meta,
.coming-soon,
.footer-copy,
.footer-link {
  font-family: var(--font-mono);
  letter-spacing: 0;
}

.hero-brand {
  max-width: 720px;
  font-size: 70px;
  line-height: 1.02;
  font-weight: 800;
  text-wrap: balance;
}

.hero-tagline {
  max-width: 560px;
  margin-top: 24px;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.9;
  font-weight: 500;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-top: 30px;
}

.primary-action {
  min-height: 50px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 0 24px;
  font-size: 15px;
  font-weight: 800;
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}

.primary-action {
  background: var(--ink);
  color: #fff;
  box-shadow: 0 16px 34px rgba(17, 19, 26, 0.2);
}

.primary-action:hover {
  transform: translateY(-2px);
}

.product-stage {
  position: relative;
  min-height: 520px;
  perspective: 1100px;
}

.app-window {
  position: absolute;
  border: 1px solid rgba(255, 255, 255, 0.82);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.88);
  box-shadow: var(--shadow-lg);
  backdrop-filter: blur(18px) saturate(150%);
  -webkit-backdrop-filter: blur(18px) saturate(150%);
}

.app-window-main {
  top: 36px;
  right: 10px;
  width: min(100%, 520px);
  height: 432px;
  padding: 24px;
  transform: rotateY(-7deg) rotateX(3deg);
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.96), rgba(246, 251, 248, 0.9)),
    linear-gradient(180deg, rgba(31, 140, 255, 0.08), rgba(255, 255, 255, 0));
}

.window-bar {
  height: 18px;
  display: flex;
  align-items: center;
  gap: 7px;
}

.window-bar span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--line-strong);
}

.window-bar span:nth-child(1) { background: var(--coral); }
.window-bar span:nth-child(2) { background: var(--amber); }
.window-bar span:nth-child(3) { background: var(--mint); }

.window-title {
  margin: 24px 0 20px;
  font-size: 21px;
  line-height: 1.28;
  font-weight: 800;
  text-align: center;
}

.flow-board {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 22px minmax(0, 1fr) 22px minmax(0, 1fr);
  align-items: stretch;
  gap: 12px;
  margin-bottom: 20px;
}

.flow-card {
  min-height: 136px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 8px;
  padding: 15px;
  border: 1px solid #e6ebf1;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.9);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.5);
}

.flow-card small {
  color: var(--soft);
  font-size: 11px;
  font-weight: 800;
}

.flow-card span,
.flow-card strong {
  min-height: 25px;
  display: inline-flex;
  align-items: center;
  width: fit-content;
  max-width: 100%;
  padding: 0 9px;
  border-radius: 999px;
  background: #eef3f8;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
  white-space: nowrap;
}

.flow-card strong {
  background: var(--ink);
  color: #fff;
}

.flow-card.filter {
  background: rgba(113, 101, 232, 0.08);
  border-color: rgba(113, 101, 232, 0.18);
}

.flow-card.output {
  background: rgba(34, 201, 151, 0.1);
  border-color: rgba(34, 201, 151, 0.22);
}

.flow-arrow {
  display: grid;
  place-items: center;
  color: var(--soft);
  font-size: 18px;
  font-weight: 800;
}

.module-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-top: 9px;
  padding: 12px 14px;
  border: 1px solid #e6ebf1;
  border-radius: 8px;
  background: #fff;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

.module-row strong {
  color: var(--ink);
}

.module-row.mint {
  border-color: rgba(34, 201, 151, 0.24);
  background: rgba(34, 201, 151, 0.08);
}

.app-window-side,
.app-window-mini {
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 84px;
  padding: 14px 16px;
  font-weight: 800;
}

.app-window-side img,
.app-window-mini img {
  width: 52px;
  height: 52px;
  border-radius: 8px;
}

.app-window-side {
  left: 18px;
  bottom: 90px;
  background: rgba(255, 255, 255, 0.94);
}

.app-window-mini {
  right: 0;
  top: 2px;
  background: rgba(14, 19, 30, 0.92);
  color: #fff;
}

section {
  padding: 108px 0;
  border-top: 1px solid var(--line);
}

.section-header {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 20px;
}

.section-number {
  min-width: 42px;
  min-height: 30px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(113, 101, 232, 0.2);
  border-radius: 999px;
  background: rgba(113, 101, 232, 0.08);
  color: var(--violet);
  font-size: 12px;
  font-weight: 800;
}

.section-label {
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
}

.section-title {
  margin-bottom: 18px;
  font-size: 44px;
  line-height: 1.12;
  font-weight: 800;
}

.section-body {
  max-width: 660px;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.9;
}

.section-lead {
  margin-bottom: 34px;
}

.philosophy-text {
  max-width: 820px;
  color: var(--ink);
  font-size: 23px;
  line-height: 1.78;
  font-weight: 700;
}

.philosophy-text + .philosophy-text {
  margin-top: 18px;
  color: var(--muted);
  font-size: 17px;
  font-weight: 500;
}

.principle-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 44px;
}

.principle-card {
  min-height: 190px;
  padding: 24px;
  border: 1px solid rgba(225, 231, 239, 0.92);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--shadow-sm);
}

.principle-card span {
  display: inline-flex;
  margin-bottom: 24px;
  color: var(--soft);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 800;
}

.principle-card h3 {
  margin-bottom: 8px;
  font-size: 17px;
  line-height: 1.3;
}

.principle-card p {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.75;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}

.product-card {
  min-height: 560px;
  display: flex;
  flex-direction: column;
  padding: 18px;
  border: 1px solid rgba(225, 231, 239, 0.95);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.product-card:hover {
  transform: translateY(-3px);
  border-color: var(--line-strong);
  box-shadow: var(--shadow-md);
}

.product-visual {
  height: 252px;
  display: grid;
  place-items: center;
  margin-bottom: 24px;
  border-radius: 8px;
  overflow: hidden;
}

.snapdesk-visual {
  background:
    linear-gradient(135deg, rgba(24, 119, 242, 0.16), rgba(255, 184, 77, 0.13)),
    #edf4ff;
}

.pausetab-visual {
  background:
    linear-gradient(135deg, rgba(32, 196, 147, 0.16), rgba(102, 88, 232, 0.13)),
    #eefbf6;
}

.mini-desktop,
.pause-browser {
  width: min(76%, 320px);
  height: 176px;
  border: 1px solid rgba(255, 255, 255, 0.74);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.86);
  box-shadow: var(--shadow-md);
}

.mini-desktop {
  display: grid;
  grid-template-columns: 76px 1fr;
  padding: 12px;
  gap: 12px;
}

.mini-sidebar {
  border-radius: 8px;
  background:
    linear-gradient(180deg, rgba(31, 140, 255, 0.18), rgba(113, 101, 232, 0.12)),
    #fff;
}

.mini-content {
  display: grid;
  gap: 10px;
}

.mini-content span {
  border-radius: 8px;
  background: #fff;
  box-shadow: inset 0 0 0 1px #e9eef4;
}

.mini-content span:nth-child(2) {
  background: rgba(34, 201, 151, 0.12);
}

.pause-browser {
  padding: 16px;
  background: #121826;
}

.pause-tabs {
  height: 28px;
  margin-bottom: 26px;
  border-radius: 8px;
  background: #202a3d;
}

.pause-mark {
  width: 88px;
  height: 88px;
  display: flex;
  justify-content: center;
  gap: 14px;
  margin: 0 auto;
}

.pause-mark i {
  width: 28px;
  height: 88px;
  border-radius: 8px;
  background: linear-gradient(180deg, #7df0b4, #35b779);
}

.card-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 18px;
}

.card-icon,
.card-icon-svg {
  width: 52px;
  height: 52px;
  border-radius: 8px;
  flex: 0 0 auto;
}

.card-meta {
  color: var(--soft);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

.card-name {
  margin-bottom: 12px;
  font-size: 28px;
  line-height: 1.16;
  font-weight: 800;
}

.card-desc {
  flex: 1;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.85;
}

.card-link {
  margin-top: 24px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--violet);
  font-size: 15px;
  font-weight: 800;
}

.card-link::after {
  content: "→";
}

.coming-soon {
  display: inline-block;
  margin-top: 18px;
  color: var(--violet);
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
}

footer {
  padding: 46px 0;
  border-top: 1px solid var(--line);
  background: #fff;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}

.footer-actions {
  display: inline-flex;
  align-items: center;
  justify-content: flex-end;
  gap: 22px;
  flex-wrap: wrap;
}

.footer-copy,
.footer-link {
  color: var(--soft);
  font-size: 12px;
}

.footer-link {
  color: var(--muted);
  border-bottom: 1px solid var(--line-strong);
}

.footer-link:hover {
  color: var(--ink);
  border-color: var(--ink);
}

@media (max-width: 960px) {
  .hero {
    min-height: auto;
  }

  .hero-inner {
    min-height: 0;
    grid-template-columns: 1fr;
    gap: 34px;
    padding: 62px 0 92px;
  }

  .hero-copy {
    max-width: 720px;
  }

  .hero-brand {
    font-size: 56px;
  }

  .product-stage {
    min-height: 450px;
  }

  .app-window-main {
    left: 78px;
    right: auto;
    width: min(100% - 108px, 540px);
    height: 400px;
  }

  .principle-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  .container {
    width: min(100% - 32px, var(--max-w));
  }

  .header-inner {
    min-height: 64px;
    display: flex;
    justify-content: space-between;
  }

  .site-nav {
    display: none;
  }

  .hero-brand {
    font-size: 43px;
  }

  .hero-tagline {
    font-size: 16px;
    line-height: 1.85;
  }

  .hero-actions {
    align-items: stretch;
  }

  .primary-action {
    flex: 1 1 160px;
  }

  .product-stage {
    min-height: 382px;
  }

  .app-window-main {
    top: 24px;
    left: 18px;
    width: calc(100% - 36px);
    height: 344px;
    transform: none;
  }

  .window-title {
    margin: 18px 0 14px;
    font-size: 17px;
  }

  .flow-board {
    grid-template-columns: minmax(0, 1fr) 16px minmax(0, 1fr) 16px minmax(0, 1fr);
    gap: 4px;
    margin-bottom: 16px;
  }

  .flow-card {
    min-height: 112px;
    gap: 6px;
    padding: 8px;
  }

  .flow-card small {
    font-size: 10px;
  }

  .flow-card span,
  .flow-card strong {
    min-height: 22px;
    padding: 0 6px;
    font-size: 10px;
  }

  .flow-arrow {
    font-size: 14px;
  }

  .module-row {
    gap: 8px;
    padding: 10px 11px;
    font-size: 11px;
  }

  .app-window-side,
  .app-window-mini {
    display: none;
  }

  section {
    padding: 72px 0;
  }

  .section-title {
    font-size: 35px;
  }

  .philosophy-text {
    font-size: 20px;
  }

  .card-grid {
    grid-template-columns: 1fr;
  }

  .product-card {
    min-height: auto;
  }

  .product-visual {
    height: 220px;
  }

  .footer-inner {
    align-items: flex-start;
  }

  .footer-actions {
    justify-content: flex-start;
  }
}

@media (max-width: 430px) {
  .site-name span:last-child {
    max-width: 154px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .hero-brand {
    font-size: 38px;
  }

  .app-window-main {
    left: 12px;
    width: calc(100% - 24px);
    padding: 16px;
  }

  .flow-board {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 6px;
  }

  .flow-arrow {
    display: none;
  }

  .primary-action,
  .footer-lang {
    flex-basis: 100%;
  }
}