/* =========================================================
   Lnkcloud — Cloud Computing Site
   ========================================================= */

:root {
  --ink: #0d1b1a;
  --ink-soft: #2a3d3b;
  --muted: #5c6f6c;
  --line: rgba(13, 27, 26, 0.1);
  --surface: #f3f7f6;
  --surface-2: #e8f0ee;
  --paper: #f7faf9;
  --teal: #0f766e;
  --teal-deep: #0b5c56;
  --teal-soft: #d7ebe8;
  --sand: #e8dfd0;
  --accent: #c45c26;
  --white: #ffffff;

  --font-display: "Bricolage Grotesque", Georgia, serif;
  --font-body: "Source Sans 3", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;

  --container: 1120px;
  --radius: 4px;
  --header-h: 72px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --shadow-soft: 0 18px 50px rgba(13, 27, 26, 0.08);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.65;
  color: var(--ink);
  background:
    radial-gradient(1200px 700px at 12% -10%, rgba(15, 118, 110, 0.14), transparent 55%),
    radial-gradient(900px 600px at 95% 8%, rgba(232, 223, 208, 0.7), transparent 50%),
    linear-gradient(180deg, #eef5f3 0%, var(--paper) 42%, #f5f2eb 100%);
  overflow-x: hidden;
}

body.nav-open {
  overflow: hidden;
}

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

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

button {
  font: inherit;
  border: 0;
  background: none;
  cursor: pointer;
}

ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  line-height: 1.12;
  letter-spacing: -0.03em;
  margin: 0;
}

p {
  margin: 0;
}

.grain {
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 50;
  opacity: 0.045;
  mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.container {
  width: min(100% - 2.5rem, var(--container));
  margin-inline: auto;
}

/* ---------- Header ---------- */

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 40;
  height: var(--header-h);
  overflow: visible;
  transition: background 0.35s var(--ease), backdrop-filter 0.35s var(--ease), box-shadow 0.35s var(--ease);
}

.site-header.is-scrolled {
  background: rgba(247, 250, 249, 0.82);
  backdrop-filter: blur(14px);
  box-shadow: 0 1px 0 var(--line);
}

.header-inner {
  width: min(100% - 2.5rem, var(--container));
  margin-inline: auto;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  z-index: 2;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  transition: opacity 0.3s var(--ease);
}

.brand:hover .logo {
  opacity: 0.7;
}

.logo-mark {
  display: block;
  width: 1.55rem;
  height: 1.55rem;
  flex-shrink: 0;
}

.logo-mark-only {
  width: 1.55rem;
  height: 1.55rem;
  color: var(--ink);
}

.logo-word {
  font-family: "Space Grotesk", "Avenir Next", "Segoe UI", sans-serif;
  font-weight: 500;
  font-size: 1.12rem;
  letter-spacing: -0.02em;
  line-height: 1;
}

.logo-lnk {
  color: var(--ink);
}

.logo-cloud {
  color: var(--teal);
}

.nav {
  display: flex;
  align-items: center;
  gap: 0.35rem 1.35rem;
  height: 100%;
}

.nav-item {
  position: relative;
  display: flex;
  align-items: center;
  height: 100%;
}

.nav-item.has-submenu {
  position: static;
}

.nav-link {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--ink-soft);
  position: relative;
  transition: color 0.25s var(--ease);
}

.nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.35rem;
  width: 100%;
  height: 1.5px;
  background: var(--teal);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s var(--ease);
}

.nav-link:hover,
.nav-link.is-active,
.nav-item.is-open > .nav-link,
.nav-item.has-submenu:hover > .nav-link {
  color: var(--ink);
}

.nav-link:hover::after,
.nav-link.is-active::after,
.nav-item.is-open > .nav-link::after,
.nav-item.has-submenu:hover > .nav-link::after {
  transform: scaleX(1);
}

.nav-trigger {
  display: inline-flex;
  align-items: center;
  gap: 0.28rem;
}

.nav-trigger::after {
  left: 0;
  right: 1.05rem;
  width: auto;
}

.nav-chevron {
  width: 0.7rem;
  height: 0.7rem;
  flex-shrink: 0;
  opacity: 0.45;
  transform: translateY(0.5px);
  transition: transform 0.28s var(--ease), opacity 0.28s var(--ease);
}

.nav-item.is-open .nav-chevron,
.nav-item.has-submenu:hover .nav-chevron {
  opacity: 0.85;
  transform: translateY(0.5px) rotate(180deg);
}

/* Full-width flyout under header */
.nav-flyout {
  position: absolute;
  top: 100%;
  left: 0;
  width: 100%;
  z-index: 30;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition:
    opacity 0.22s var(--ease),
    visibility 0.22s;
}

.nav-flyout-shell {
  border-bottom: 1px solid rgba(13, 27, 26, 0.08);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.97) 0%, rgba(243, 247, 246, 0.96) 100%);
  box-shadow: 0 28px 60px rgba(13, 27, 26, 0.1);
}

.nav-flyout-inner {
  width: min(100% - 2.5rem, var(--container));
  margin-inline: auto;
  display: grid;
  grid-template-columns: minmax(12rem, 17rem) minmax(0, 1fr);
  gap: 2.5rem 3rem;
  padding: 2rem 0 2.15rem;
}

.nav-flyout-aside {
  padding-top: 0.35rem;
  border-top: 2px solid var(--ink);
}

.nav-flyout-kicker {
  margin-top: 0.85rem;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--teal);
}

.nav-flyout-heading {
  margin-top: 0.55rem;
  font-family: var(--font-display);
  font-size: clamp(1.7rem, 2.4vw, 2.15rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
  color: var(--ink);
}

.nav-flyout-note {
  margin-top: 0.75rem;
  max-width: 22ch;
  font-size: 0.92rem;
  line-height: 1.55;
  color: var(--muted);
}

.nav-flyout-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.85rem;
  align-content: start;
}

.nav-flyout-card {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1rem;
  align-items: center;
  min-height: 5.25rem;
  padding: 1.15rem 1.25rem;
  border: 1px solid rgba(13, 27, 26, 0.08);
  background: rgba(255, 255, 255, 0.72);
  color: var(--ink);
  transition:
    border-color 0.22s var(--ease),
    background 0.22s var(--ease),
    transform 0.22s var(--ease);
}

.nav-flyout-index {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: rgba(13, 27, 26, 0.28);
  transition: color 0.22s var(--ease);
}

.nav-flyout-card-body {
  display: flex;
  flex-direction: column;
  gap: 0.28rem;
  min-width: 0;
}

.nav-flyout-card-title {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.nav-flyout-card-action {
  font-size: 0.86rem;
  font-weight: 500;
  letter-spacing: 0;
  line-height: 1.45;
  color: var(--muted);
  transition: color 0.22s var(--ease);
}

.nav-flyout-card:hover,
.nav-flyout-card:focus-visible,
.nav-flyout-card.is-active {
  border-color: rgba(15, 118, 110, 0.35);
  background: #fff;
  transform: translateY(-2px);
  outline: none;
}

.nav-flyout-card:hover .nav-flyout-index,
.nav-flyout-card:focus-visible .nav-flyout-index,
.nav-flyout-card.is-active .nav-flyout-index,
.nav-flyout-card:hover .nav-flyout-card-action,
.nav-flyout-card:focus-visible .nav-flyout-card-action,
.nav-flyout-card.is-active .nav-flyout-card-action {
  color: var(--teal-deep);
}

.nav-item.has-submenu.is-open > .nav-flyout,
.nav-item.has-submenu:focus-within > .nav-flyout {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

@media (max-width: 960px) {
  .nav-flyout-inner {
    grid-template-columns: 1fr;
    gap: 1.5rem;
    padding: 1.5rem 0 1.65rem;
  }

  .nav-flyout-grid {
    grid-template-columns: 1fr;
  }

  .nav-flyout-note {
    max-width: none;
  }
}

.menu-toggle {
  --toggle-size: 2.65rem;
  display: none;
  position: relative;
  z-index: 2;
  width: var(--toggle-size);
  height: var(--toggle-size);
  place-items: center;
  flex-shrink: 0;
  border-radius: 12px;
  border: 1px solid rgba(13, 27, 26, 0.1);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.88), rgba(243, 247, 246, 0.72));
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.8) inset,
    0 6px 16px rgba(13, 27, 26, 0.05);
  backdrop-filter: blur(10px);
  color: var(--ink);
  transition:
    border-color 0.25s var(--ease),
    background 0.25s var(--ease),
    box-shadow 0.25s var(--ease),
    transform 0.25s var(--ease);
  -webkit-tap-highlight-color: transparent;
}

.menu-toggle::before {
  content: "";
  position: absolute;
  inset: 3px;
  border-radius: 9px;
  background: linear-gradient(135deg, rgba(15, 118, 110, 0.08), transparent 55%);
  opacity: 0;
  transition: opacity 0.25s var(--ease);
  pointer-events: none;
}

.menu-toggle:hover,
.menu-toggle:focus-visible {
  border-color: rgba(15, 118, 110, 0.28);
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.85) inset,
    0 8px 18px rgba(13, 27, 26, 0.08);
  outline: none;
}

.menu-toggle:hover::before,
.menu-toggle:focus-visible::before {
  opacity: 1;
}

.menu-toggle:active {
  transform: scale(0.96);
}

.menu-toggle-box {
  position: relative;
  display: block;
  width: 1.15rem;
  height: 0.85rem;
}

.menu-toggle-bar {
  position: absolute;
  left: 0;
  display: block;
  width: 100%;
  height: 1.5px;
  border-radius: 99px;
  background: currentColor;
  transform-origin: center;
  transition:
    transform 0.34s var(--ease),
    opacity 0.22s ease,
    width 0.34s var(--ease),
    left 0.34s var(--ease),
    background 0.25s var(--ease);
}

.menu-toggle-bar:nth-child(1) {
  top: 0;
  width: 100%;
}

.menu-toggle-bar:nth-child(2) {
  top: 50%;
  width: 72%;
  transform: translateY(-50%);
}

.menu-toggle-bar:nth-child(3) {
  bottom: 0;
  width: 88%;
}

.menu-toggle[aria-expanded="true"] {
  border-color: rgba(15, 118, 110, 0.35);
  background:
    linear-gradient(180deg, rgba(215, 235, 232, 0.95), rgba(255, 255, 255, 0.88));
  color: var(--teal-deep);
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.7) inset,
    0 0 0 3px rgba(15, 118, 110, 0.08),
    0 8px 18px rgba(13, 27, 26, 0.06);
}

.menu-toggle[aria-expanded="true"]::before {
  opacity: 1;
}

.menu-toggle[aria-expanded="true"] .menu-toggle-bar:nth-child(1) {
  top: 50%;
  width: 100%;
  transform: translateY(-50%) rotate(45deg);
}

.menu-toggle[aria-expanded="true"] .menu-toggle-bar:nth-child(2) {
  left: 50%;
  width: 0;
  opacity: 0;
  transform: translate(-50%, -50%);
}

.menu-toggle[aria-expanded="true"] .menu-toggle-bar:nth-child(3) {
  bottom: auto;
  top: 50%;
  width: 100%;
  transform: translateY(-50%) rotate(-45deg);
}

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  min-height: 3rem;
  padding: 0.75rem 1.35rem;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.98rem;
  transition: transform 0.25s var(--ease), background 0.25s var(--ease), color 0.25s var(--ease), border-color 0.25s var(--ease);
}

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

.btn-sm {
  min-height: 2.4rem;
  padding: 0.45rem 1rem;
  font-size: 0.9rem;
}

.btn-primary {
  background: var(--ink);
  color: var(--white);
}

.btn-primary:hover {
  background: var(--teal-deep);
}

.btn-ghost {
  background: transparent;
  color: var(--ink);
  border: 1px solid rgba(13, 27, 26, 0.18);
}

.btn-ghost:hover {
  border-color: var(--teal);
  color: var(--teal-deep);
}

.btn-accent {
  background: var(--teal);
  color: var(--white);
}

.btn-accent:hover {
  background: var(--teal-deep);
}

.btn-arrow::after {
  content: "";
  width: 0.7rem;
  height: 0.7rem;
  border-right: 1.5px solid currentColor;
  border-top: 1.5px solid currentColor;
  transform: rotate(45deg);
  transition: transform 0.25s var(--ease);
}

.btn-arrow:hover::after {
  transform: translateX(3px) rotate(45deg);
}

/* ---------- Hero (home kinetic) ---------- */

.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;
}

.hero-home {
  --hx: 62%;
  --hy: 38%;
  position: relative;
  min-height: 100vh;
  min-height: 100svh;
  display: grid;
  align-items: center;
  padding: calc(var(--header-h) + 1.5rem) 0 5.5rem;
  overflow: hidden;
  isolation: isolate;
}

.hero-stage {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    linear-gradient(165deg, #eef4f2 0%, #f7faf9 42%, #f3eee6 100%);
}

.hero-glow {
  position: absolute;
  inset: -20%;
  background:
    radial-gradient(420px 320px at var(--hx) var(--hy), rgba(15, 118, 110, 0.16), transparent 60%),
    radial-gradient(520px 360px at 18% 72%, rgba(232, 223, 208, 0.55), transparent 65%);
  transition: background-position 0.4s linear;
  will-change: background;
}

.hero-field {
  position: absolute;
  border-radius: 50%;
  filter: blur(40px);
  opacity: 0.55;
  mix-blend-mode: multiply;
}

.hero-field-a {
  width: min(48vw, 420px);
  height: min(48vw, 420px);
  left: -8%;
  top: 12%;
  background: rgba(15, 118, 110, 0.18);
  animation: field-drift-a 18s ease-in-out infinite alternate;
}

.hero-field-b {
  width: min(55vw, 480px);
  height: min(40vw, 360px);
  right: -10%;
  bottom: 8%;
  background: rgba(196, 92, 38, 0.1);
  animation: field-drift-b 22s ease-in-out infinite alternate;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(13, 27, 26, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(13, 27, 26, 0.045) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 45%, #000 20%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 45%, #000 20%, transparent 75%);
  transform: perspective(900px) rotateX(52deg) translateY(-8%);
  transform-origin: center 30%;
  animation: grid-breathe 12s ease-in-out infinite alternate;
}

.hero-sheen {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    105deg,
    transparent 30%,
    rgba(255, 255, 255, 0.28) 48%,
    transparent 62%
  );
  transform: translateX(-120%);
  animation: sheen-sweep 7.5s 1.2s var(--ease) infinite;
}

.hero-spot {
  position: absolute;
  width: 280px;
  height: 280px;
  left: 0;
  top: 0;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.55) 0%, transparent 70%);
  transform: translate3d(calc(var(--hx) - 140px), calc(var(--hy) - 140px), 0);
  opacity: 0.55;
  transition: transform 0.18s linear, opacity 0.4s ease;
  mix-blend-mode: soft-light;
}

.hero-frame {
  position: relative;
  z-index: 1;
  width: min(100% - 2.5rem, var(--container));
  margin-inline: auto;
  display: grid;
  gap: 2.75rem;
}

.hero-meta {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

.hero-home.is-ready .hero-meta {
  opacity: 1;
  transform: none;
  transition-delay: 0.05s;
}

.hero-meta-index {
  font-family: var(--font-display);
  color: var(--teal-deep);
  letter-spacing: 0.08em;
}

.hero-meta-rule {
  width: 2.5rem;
  height: 1px;
  background: rgba(13, 27, 26, 0.22);
  transform-origin: left;
  transform: scaleX(0);
  transition: transform 0.8s var(--ease) 0.2s;
}

.hero-home.is-ready .hero-meta-rule {
  transform: scaleX(1);
}

.hero-copy {
  max-width: 820px;
}

.hero-home .hero-brand {
  margin: 0 0 1.6rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(4.6rem, 13vw, 8.4rem);
  letter-spacing: -0.07em;
  line-height: 0.86;
  color: var(--ink);
}

.hero-home .brand-live {
  display: inline-flex;
  flex-wrap: wrap;
}

.hero-home .brand-char {
  display: inline-block;
  opacity: 0;
  transform: translate3d(0, 1.05em, 0) rotate(6deg);
  will-change: transform, opacity;
}

.hero-home.is-ready .brand-char {
  animation: char-lift 0.9s var(--ease) both;
  animation-delay: calc(0.08s + var(--i) * 0.045s);
}

.hero-home .brand-char.is-accent {
  color: var(--teal-deep);
}

.hero-home .brand-char.is-space {
  width: 0.28em;
}

.hero-title {
  display: grid;
  gap: 0.2em;
  margin: 0 0 1.35rem;
  font-size: clamp(1.75rem, 4vw, 2.7rem);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1.1;
}

.hero-title-mask {
  display: block;
  overflow: hidden;
  padding-bottom: 0.08em;
}

.hero-title-inner {
  display: block;
  transform: translate3d(0, 110%, 0);
  opacity: 0;
}

.hero-home.is-ready .hero-title-inner {
  animation: line-rise 0.95s cubic-bezier(0.16, 1, 0.3, 1) both;
}

.hero-home.is-ready .hero-title-mask:nth-child(1) .hero-title-inner {
  animation-delay: 0.48s;
}

.hero-home.is-ready .hero-title-mask:nth-child(2) .hero-title-inner {
  animation-delay: 0.6s;
}

.hero-title-inner.is-soft {
  color: var(--ink-soft);
  font-weight: 600;
}

.hero-home .hero-lead {
  margin: 0 0 2.2rem;
  max-width: 30ch;
  font-size: 1.06rem;
  line-height: 1.8;
  color: var(--muted);
}

.hero-home .lead-word {
  display: inline-block;
  opacity: 0;
  transform: translateY(0.55em);
  filter: blur(4px);
}

.hero-home.is-ready .lead-word {
  animation: word-settle 0.7s var(--ease) both;
  animation-delay: calc(0.78s + var(--i) * 0.035s);
}

.hero-home .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.75s var(--ease), transform 0.75s var(--ease);
  transition-delay: 1.15s;
}

.hero-home.is-ready .hero-actions {
  opacity: 1;
  transform: none;
}

.btn-magnetic {
  position: relative;
  overflow: hidden;
  transform: translate3d(var(--mx, 0), var(--my, 0), 0);
  transition: transform 0.25s var(--ease), background 0.25s var(--ease), color 0.25s var(--ease), border-color 0.25s var(--ease);
}

.btn-magnetic > span {
  position: relative;
  z-index: 1;
  display: inline-block;
  transition: transform 0.25s var(--ease);
}

.btn-magnetic::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, transparent 20%, rgba(255, 255, 255, 0.14) 45%, transparent 70%);
  transform: translateX(-120%);
  transition: transform 0.55s var(--ease);
}

.btn-magnetic:hover::before {
  transform: translateX(120%);
}

.btn.btn-magnetic:hover {
  transform: translate3d(var(--mx, 0), calc(var(--my, 0) - 2px), 0);
}

.hero-scroll {
  position: absolute;
  right: 0;
  bottom: -2.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.7rem;
  opacity: 0;
  transition: opacity 0.8s var(--ease) 1.35s;
}

.hero-home.is-ready .hero-scroll {
  opacity: 1;
}

.hero-scroll-label {
  writing-mode: vertical-rl;
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  color: var(--muted);
}

.hero-scroll-line {
  width: 1px;
  height: 3.2rem;
  background: linear-gradient(180deg, var(--teal), transparent);
  transform-origin: top;
  animation: scroll-pulse 2.2s ease-in-out infinite;
}

@keyframes field-drift-a {
  from { transform: translate3d(0, 0, 0) scale(1); }
  to { transform: translate3d(36px, 28px, 0) scale(1.08); }
}

@keyframes field-drift-b {
  from { transform: translate3d(0, 0, 0) scale(1); }
  to { transform: translate3d(-40px, -24px, 0) scale(1.12); }
}

@keyframes grid-breathe {
  from { opacity: 0.55; transform: perspective(900px) rotateX(52deg) translateY(-8%) scale(1); }
  to { opacity: 0.85; transform: perspective(900px) rotateX(50deg) translateY(-4%) scale(1.03); }
}

@keyframes sheen-sweep {
  0%, 55% { transform: translateX(-120%); }
  80%, 100% { transform: translateX(120%); }
}

@keyframes char-lift {
  0% {
    opacity: 0;
    transform: translate3d(0, 1.05em, 0) rotate(6deg);
  }
  60% {
    opacity: 1;
    transform: translate3d(0, -0.06em, 0) rotate(-1deg);
  }
  100% {
    opacity: 1;
    transform: none;
  }
}

@keyframes line-rise {
  0% {
    opacity: 0;
    transform: translate3d(0, 110%, 0) skewY(4deg);
  }
  100% {
    opacity: 1;
    transform: none;
  }
}

@keyframes word-settle {
  0% {
    opacity: 0;
    transform: translateY(0.55em);
    filter: blur(4px);
  }
  100% {
    opacity: 1;
    transform: none;
    filter: none;
  }
}

@keyframes scroll-pulse {
  0%, 100% { transform: scaleY(0.45); opacity: 0.35; }
  50% { transform: scaleY(1); opacity: 1; }
}

/* ---------- Sections ---------- */

.section {
  padding: 6.5rem 0;
  position: relative;
}

.section-tight {
  padding: 4.5rem 0;
}

.section-head {
  max-width: 36rem;
  margin-bottom: 3rem;
}

.section-label {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 0.85rem;
}

.section-head h2 {
  font-size: clamp(1.9rem, 3.8vw, 2.8rem);
  margin-bottom: 0.9rem;
}

.section-head p {
  color: var(--muted);
  font-size: 1.05rem;
}

/* Products strip — not cards; editorial rows */

.product-list {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}

.product-item {
  display: grid;
  grid-template-columns: 8rem 1fr auto;
  gap: 1.5rem;
  align-items: center;
  padding: 1.75rem 0;
  border-bottom: 1px solid var(--line);
  transition: background 0.3s var(--ease), padding 0.3s var(--ease);
}

.product-item:hover {
  background: rgba(15, 118, 110, 0.04);
  padding-left: 0.75rem;
  padding-right: 0.75rem;
}

.product-index {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  color: var(--teal);
  letter-spacing: -0.02em;
}

.product-item h3 {
  font-size: 1.45rem;
  margin-bottom: 0.35rem;
}

.product-item p {
  color: var(--muted);
  max-width: 42ch;
}

.product-link {
  font-weight: 600;
  color: var(--teal-deep);
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.product-link::after {
  content: "";
  width: 0.55rem;
  height: 0.55rem;
  border-right: 1.5px solid currentColor;
  border-top: 1.5px solid currentColor;
  transform: rotate(45deg);
  transition: transform 0.25s var(--ease);
}

.product-item:hover .product-link::after {
  transform: translateX(3px) rotate(45deg);
}

/* Feature mosaic */

.feature-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 2.5rem;
  align-items: stretch;
}

.feature-panel {
  position: relative;
  min-height: 420px;
  padding: 2.5rem;
  background:
    linear-gradient(145deg, rgba(15, 118, 110, 0.12), rgba(232, 223, 208, 0.45) 55%, rgba(243, 247, 246, 0.9)),
    var(--surface);
  overflow: hidden;
}

.feature-panel::before {
  content: "";
  position: absolute;
  width: 280px;
  height: 280px;
  right: -60px;
  top: -40px;
  border-radius: 50%;
  border: 1px solid rgba(15, 118, 110, 0.25);
  animation: spin-slow 28s linear infinite;
}

.feature-panel::after {
  content: "";
  position: absolute;
  width: 180px;
  height: 180px;
  right: 20px;
  top: 40px;
  border-radius: 50%;
  border: 1px dashed rgba(13, 27, 26, 0.18);
  animation: spin-slow 18s linear infinite reverse;
}

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

.feature-panel h3 {
  position: relative;
  z-index: 1;
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  max-width: 10ch;
  margin-bottom: 1rem;
}

.feature-panel p {
  position: relative;
  z-index: 1;
  color: var(--ink-soft);
  max-width: 28ch;
}

.feature-points {
  display: grid;
  gap: 1.5rem;
}

.feature-point {
  padding-top: 1.25rem;
  border-top: 1px solid var(--line);
}

.feature-point h4 {
  font-size: 1.15rem;
  margin-bottom: 0.4rem;
}

.feature-point p {
  color: var(--muted);
  font-size: 0.98rem;
}

/* Solutions */

.solution-rail {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.solution-item {
  padding: 1.75rem 0 0;
  border-top: 2px solid var(--ink);
  transition: border-color 0.3s var(--ease);
}

.solution-item:hover {
  border-color: var(--teal);
}

.solution-item h3 {
  font-size: 1.35rem;
  margin: 1rem 0 0.55rem;
}

.solution-item p {
  color: var(--muted);
  font-size: 0.98rem;
}

/* About / metrics */

.about-block {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 3rem;
  align-items: end;
}

.about-copy h2 {
  font-size: clamp(1.9rem, 3.8vw, 2.8rem);
  margin-bottom: 1rem;
}

.about-copy p {
  color: var(--muted);
  max-width: 42ch;
}

.metric-list {
  display: grid;
  gap: 1.25rem;
}

.metric {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1rem;
  align-items: baseline;
  padding-bottom: 1.1rem;
  border-bottom: 1px solid var(--line);
}

.metric strong {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 2.8rem);
  letter-spacing: -0.04em;
  color: var(--teal-deep);
}

.metric span {
  color: var(--muted);
  font-size: 0.98rem;
}

/* CTA band */

.cta-band {
  margin: 2rem 0 0;
  padding: 3.5rem 0;
  background:
    linear-gradient(120deg, var(--ink) 0%, #163533 55%, var(--teal-deep) 100%);
  color: var(--white);
  position: relative;
  overflow: hidden;
}

.cta-band::before {
  content: "";
  position: absolute;
  width: 420px;
  height: 420px;
  right: -80px;
  bottom: -160px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.05);
  animation: float-soft 8s ease-in-out infinite alternate;
}

@keyframes float-soft {
  from { transform: translateY(0); }
  to { transform: translateY(-24px); }
}

.cta-inner {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
}

.cta-inner h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  max-width: 14ch;
  margin-bottom: 0.75rem;
}

.cta-inner p {
  color: rgba(255, 255, 255, 0.72);
  max-width: 36ch;
}

.cta-band .btn-primary {
  background: var(--white);
  color: var(--ink);
}

.cta-band .btn-primary:hover {
  background: var(--sand);
}

/* ---------- Object Storage page ---------- */

.page-hero {
  padding: calc(var(--header-h) + 3.5rem) 0 3.5rem;
  position: relative;
  overflow: hidden;
}

.page-hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 2.5rem;
  align-items: center;
}

.page-hero .hero-brand {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.6rem, 6vw, 4.2rem);
  letter-spacing: -0.055em;
  line-height: 0.92;
  margin: 0 0 0.5rem;
  color: var(--ink);
  background: linear-gradient(120deg, var(--ink) 20%, var(--teal-deep) 85%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.page-hero h1 {
  font-size: clamp(1.7rem, 3.5vw, 2.5rem);
  max-width: 14ch;
  margin-bottom: 1rem;
}

.page-hero .hero-lead {
  margin: 0 0 1.75rem;
  font-size: 1.08rem;
  line-height: 1.75;
  color: var(--muted);
  max-width: 38ch;
}

.storage-visual {
  position: relative;
  aspect-ratio: 1.1 / 1;
  min-height: 360px;
  display: grid;
  place-items: center;
}

.orbit-core {
  width: 88px;
  height: 88px;
  border-radius: 50%;
  background: linear-gradient(145deg, var(--teal), var(--teal-deep));
  box-shadow: 0 20px 40px rgba(15, 118, 110, 0.25);
  position: relative;
  z-index: 2;
  display: grid;
  place-items: center;
}

.orbit-core span {
  width: 28px;
  height: 28px;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.9);
  transform: rotate(18deg);
}

.orbit-ring {
  position: absolute;
  border: 1px solid rgba(15, 118, 110, 0.28);
  border-radius: 50%;
  animation: orbit-pulse 5.5s var(--delay, 0s) ease-in-out infinite;
}

.orbit-ring:nth-child(1) {
  width: 58%;
  height: 58%;
}

.orbit-ring:nth-child(2) {
  width: 78%;
  height: 78%;
  border-style: dashed;
}

.orbit-ring:nth-child(3) {
  width: 96%;
  height: 96%;
}

.orbit-track {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  animation: track-spin 18s linear infinite;
}

.orbit-track.track-a { animation-duration: 16s; }
.orbit-track.track-b { animation-duration: 22s; animation-direction: reverse; }
.orbit-track.track-c { animation-duration: 28s; }

.orbit-node {
  position: absolute;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 6px rgba(196, 92, 38, 0.12);
}

.track-a .orbit-node { top: 21%; }
.track-b .orbit-node {
  top: 11%;
  background: var(--teal);
  box-shadow: 0 0 0 6px rgba(15, 118, 110, 0.12);
}
.track-c .orbit-node {
  top: 2%;
  background: var(--ink);
  box-shadow: 0 0 0 6px rgba(13, 27, 26, 0.08);
}

@keyframes orbit-pulse {
  0%, 100% { transform: scale(1); opacity: 0.7; }
  50% { transform: scale(1.03); opacity: 1; }
}

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

.storage-stage {
  position: absolute;
  inset: 8%;
  background:
    radial-gradient(circle at 50% 50%, rgba(15, 118, 110, 0.1), transparent 55%),
    linear-gradient(160deg, rgba(232, 223, 208, 0.45), rgba(243, 247, 246, 0.2));
  border: 1px solid var(--line);
}

/* Capability rows */

.capability-list {
  display: grid;
  gap: 0;
}

.capability {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 2rem;
  padding: 2.25rem 0;
  border-bottom: 1px solid var(--line);
}

.capability:first-child {
  border-top: 1px solid var(--line);
}

.capability h3 {
  font-size: 1.5rem;
}

.capability p {
  color: var(--muted);
}

/* Specs */

.spec-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.spec-item {
  background: rgba(247, 250, 249, 0.85);
  padding: 1.75rem 1.4rem;
  transition: background 0.3s var(--ease);
}

.spec-item:hover {
  background: var(--teal-soft);
}

.spec-item strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.65rem;
  letter-spacing: -0.03em;
  margin-bottom: 0.35rem;
}

.spec-item span {
  color: var(--muted);
  font-size: 0.92rem;
}

/* Pricing */

.pricing-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.98rem;
}

.pricing-table th,
.pricing-table td {
  text-align: left;
  padding: 1.1rem 0.75rem;
  border-bottom: 1px solid var(--line);
}

.pricing-table th {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--muted);
}

.pricing-table td:last-child,
.pricing-table th:last-child {
  text-align: right;
}

.pricing-table tbody tr {
  transition: background 0.25s var(--ease);
}

.pricing-table tbody tr:hover {
  background: rgba(15, 118, 110, 0.05);
}

.price {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--teal-deep);
}

/* Docs / API */

.code-panel {
  background: var(--ink);
  color: #d7ebe8;
  padding: 1.75rem;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.88rem;
  line-height: 1.7;
  overflow-x: auto;
  position: relative;
}

.code-panel::before {
  content: "API";
  position: absolute;
  top: 0.85rem;
  right: 1rem;
  font-family: var(--font-body);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  color: rgba(215, 235, 232, 0.45);
}

.code-panel .c-key { color: #8fd0c8; }
.code-panel .c-str { color: #f0d5b8; }
.code-panel .c-cmt { color: rgba(215, 235, 232, 0.45); }

.docs-grid {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 2.5rem;
  align-items: start;
}

.docs-copy h2 {
  font-size: clamp(1.8rem, 3.4vw, 2.5rem);
  margin: 0.5rem 0 1rem;
}

.docs-copy p {
  color: var(--muted);
  margin-bottom: 1.5rem;
}

.step-list {
  display: grid;
  gap: 1rem;
}

.step-list li {
  display: grid;
  grid-template-columns: 2rem 1fr;
  gap: 0.75rem;
  align-items: start;
  color: var(--ink-soft);
}

.step-list strong {
  font-family: var(--font-display);
  color: var(--teal);
}

/* Footer */

.site-footer {
  padding: 4rem 0 2rem;
  border-top: 1px solid var(--line);
  background: rgba(243, 247, 246, 0.65);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr repeat(3, 1fr);
  gap: 1.25rem 1.5rem;
  margin-bottom: 2rem;
}

.footer-tagline {
  margin-top: 1rem;
  color: var(--muted);
  max-width: 28ch;
  font-size: 0.95rem;
}

.footer-col h3 {
  font-size: 0.95rem;
  margin-bottom: 0.65rem;
}

.footer-col a {
  display: inline-block;
  color: var(--muted);
  font-size: 0.95rem;
  margin-bottom: 0.28rem;
  transition: color 0.25s var(--ease);
}

.footer-col a:hover {
  color: var(--teal-deep);
}

.footer-bottom {
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.88rem;
}

/* Reveal */

[data-reveal] {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
}

[data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

[data-reveal="left"] {
  transform: translateX(-24px);
}

[data-reveal="right"] {
  transform: translateX(24px);
}

[data-reveal="left"].is-visible,
[data-reveal="right"].is-visible {
  transform: none;
}

/* ---------- Responsive ---------- */

@media (max-width: 960px) {
  .product-item {
    grid-template-columns: 4rem 1fr;
    gap: 0.75rem 1rem;
  }

  .product-link {
    grid-column: 2;
  }

  .feature-grid,
  .about-block,
  .page-hero-grid,
  .docs-grid,
  .capability {
    grid-template-columns: 1fr;
  }

  .solution-rail {
    grid-template-columns: 1fr;
  }

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

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

  .storage-visual {
    min-height: 300px;
  }
}

@media (max-width: 760px) {
  .menu-toggle {
    display: grid;
  }

  .nav {
    position: fixed;
    inset: 0;
    background: rgba(247, 250, 249, 0.97);
    backdrop-filter: blur(16px);
    flex-direction: column;
    justify-content: center;
    align-items: stretch;
    gap: 0.85rem;
    padding: 5.5rem 1.75rem 2.5rem;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s var(--ease);
    overflow-y: auto;
  }

  .nav.is-open {
    opacity: 1;
    pointer-events: auto;
  }

  .nav-item {
    flex-direction: column;
    align-items: stretch;
    width: min(100%, 26rem);
    height: auto;
    margin-inline: auto;
  }

  .nav-link {
    font-family: var(--font-display);
    font-size: 1.65rem;
    font-weight: 700;
    justify-content: space-between;
    width: 100%;
  }

  .nav-link::after {
    display: none;
  }

  .nav-trigger::after {
    display: none;
  }

  .nav-chevron {
    width: 0.95rem;
    height: 0.95rem;
    opacity: 0.55;
  }

  .nav-flyout {
    position: static;
    opacity: 1;
    visibility: visible;
    pointer-events: none;
    transform: none;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s var(--ease);
  }

  .nav-item.has-submenu.is-open > .nav-flyout {
    pointer-events: auto;
    max-height: 40rem;
    margin-top: 0.65rem;
  }

  .nav-flyout-shell {
    border: 1px solid rgba(13, 27, 26, 0.08);
    border-bottom: 1px solid rgba(13, 27, 26, 0.08);
    background: rgba(255, 255, 255, 0.78);
    box-shadow: none;
  }

  .nav-flyout-inner {
    width: 100%;
    grid-template-columns: 1fr;
    gap: 1rem;
    padding: 1rem;
  }

  .nav-flyout-aside {
    padding-top: 0;
    border-top: 0;
    padding-bottom: 0.35rem;
    border-bottom: 1px solid rgba(13, 27, 26, 0.08);
  }

  .nav-flyout-kicker {
    margin-top: 0;
  }

  .nav-flyout-heading {
    font-size: 1.35rem;
  }

  .nav-flyout-note {
    display: none;
  }

  .nav-flyout-grid {
    grid-template-columns: 1fr;
    gap: 0.55rem;
  }

  .nav-flyout-card {
    min-height: 0;
    padding: 0.9rem 1rem;
    transform: none !important;
  }

  .nav-flyout-card-title {
    font-size: 1.05rem;
  }

  .nav-cta,
  .nav-member {
    width: min(100%, 26rem);
    margin-inline: auto;
    margin-top: 0.75rem;
    justify-content: center;
  }

  .hero-home {
    padding-bottom: 4.5rem;
  }

  .hero-home .hero-brand {
    font-size: clamp(3.6rem, 17vw, 5.4rem);
    margin-bottom: 1.25rem;
  }

  .hero-home .hero-lead {
    max-width: 34ch;
  }

  .hero-scroll {
    display: none;
  }

  .hero-grid {
    background-size: 48px 48px;
  }

  .section {
    padding: 4.5rem 0;
  }

  .feature-panel {
    min-height: 300px;
  }

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

  .pricing-table {
    display: block;
    overflow-x: auto;
  }
}

/* ---------- Flat network map ---------- */

.network-hero {
  padding-bottom: 2rem;
}

.network-hero-copy {
  max-width: 640px;
}

.network-hero h1 {
  font-size: clamp(2.2rem, 4vw, 3.2rem);
  margin: 0.35rem 0 0.85rem;
}

.network-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  margin-top: 1.75rem;
}

.network-stat strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.85rem;
  letter-spacing: -0.04em;
  line-height: 1;
}

.network-stat span {
  display: block;
  margin-top: 0.35rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.network-map-section {
  padding-top: 1rem;
}

.flat-map {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 280px;
  gap: 1.25rem;
  align-items: stretch;
}

.flat-map-stage {
  position: relative;
  min-height: 420px;
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
  background:
    radial-gradient(700px 320px at 20% 10%, rgba(15, 118, 110, 0.12), transparent 55%),
    radial-gradient(500px 280px at 90% 80%, rgba(232, 223, 208, 0.55), transparent 50%),
    linear-gradient(165deg, #eef5f3 0%, #f7faf9 48%, #f3eee6 100%);
  box-shadow: var(--shadow-soft);
}

.flat-map-glow {
  position: absolute;
  inset: -20%;
  background: radial-gradient(circle at 50% 45%, rgba(15, 118, 110, 0.1), transparent 42%);
  pointer-events: none;
}

.flat-map-grid {
  position: absolute;
  inset: 0;
  opacity: 0.35;
  background-image:
    linear-gradient(rgba(13, 27, 26, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(13, 27, 26, 0.05) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse at center, #000 35%, transparent 78%);
  pointer-events: none;
}

.flat-map-world {
  position: absolute;
  inset: 8% 4% 10%;
  width: 92%;
  height: 82%;
  margin: auto;
  object-fit: contain;
  pointer-events: none;
  filter: drop-shadow(0 18px 40px rgba(13, 27, 26, 0.06));
}

.flat-map-nodes {
  position: absolute;
  inset: 8% 4% 10%;
}

.map-node {
  position: absolute;
  transform: translate(-50%, -50%);
  width: 1.1rem;
  height: 1.1rem;
  padding: 0;
  border: 0;
  background: transparent;
  cursor: pointer;
  z-index: 2;
}

.map-node-dot {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: var(--teal);
  box-shadow: 0 0 0 3px rgba(15, 118, 110, 0.18);
  transition: transform 0.25s var(--ease), background 0.25s var(--ease), box-shadow 0.25s var(--ease);
}

.map-node-pulse {
  position: absolute;
  inset: -6px;
  border-radius: 50%;
  border: 1px solid rgba(15, 118, 110, 0.35);
  animation: map-pulse 2.4s var(--ease) infinite;
  opacity: 0;
}

.map-node.is-online .map-node-pulse {
  opacity: 1;
}

.map-node.is-building .map-node-dot {
  background: var(--accent);
  box-shadow: 0 0 0 3px rgba(196, 92, 38, 0.18);
}

.map-node.is-planned .map-node-dot {
  background: var(--muted);
  box-shadow: 0 0 0 3px rgba(92, 111, 108, 0.16);
}

.map-node-label {
  position: absolute;
  left: 50%;
  top: calc(100% + 0.45rem);
  transform: translateX(-50%);
  white-space: nowrap;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--ink-soft);
  padding: 0.2rem 0.45rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid var(--line);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s var(--ease), transform 0.2s var(--ease);
}

.map-node:hover .map-node-dot,
.map-node.is-active .map-node-dot,
.map-node:focus-visible .map-node-dot {
  transform: scale(1.25);
  background: var(--teal-deep);
}

.map-node:hover .map-node-label,
.map-node.is-active .map-node-label,
.map-node:focus-visible .map-node-label {
  opacity: 1;
  transform: translateX(-50%) translateY(-1px);
}

@keyframes map-pulse {
  0% { transform: scale(0.7); opacity: 0.7; }
  70% { transform: scale(1.7); opacity: 0; }
  100% { opacity: 0; }
}

.flat-map-panel {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.78);
  box-shadow: var(--shadow-soft);
  padding: 1.35rem 1.25rem;
  min-height: 220px;
}

.flat-map-panel-empty .section-label,
.flat-map-panel-detail .section-label {
  display: inline-block;
  margin-bottom: 0.55rem;
}

.flat-map-panel-empty strong,
.flat-map-panel-title strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.35rem;
  letter-spacing: -0.03em;
}

.flat-map-panel-empty p,
.flat-map-panel-detail p {
  margin-top: 0.55rem;
  color: var(--muted);
  font-size: 0.95rem;
}

.flat-map-panel-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.map-status {
  display: inline-flex;
  align-items: center;
  min-height: 1.5rem;
  padding: 0.15rem 0.55rem;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  background: var(--teal-soft);
  color: var(--teal-deep);
  white-space: nowrap;
}

.map-status.is-building,
.map-status[data-status="building"] {
  background: rgba(232, 223, 208, 0.85);
  color: #7a5c2e;
}

.map-status.is-planned,
.map-status[data-status="planned"] {
  background: var(--surface-2);
  color: var(--muted);
}

.flat-map-meta {
  margin: 1.15rem 0 0;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
}

.flat-map-meta div {
  display: grid;
  grid-template-columns: 4rem 1fr;
  gap: 0.5rem;
}

.flat-map-meta dt {
  color: var(--muted);
  font-size: 0.86rem;
}

.flat-map-meta dd {
  margin: 0;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

.home-map-head {
  margin-bottom: 2rem;
}

.home-map-actions {
  display: flex;
  justify-content: flex-end;
  margin-top: 1.35rem;
}

.flat-map-home .flat-map-stage {
  min-height: 380px;
}

.network-list {
  margin-top: 3rem;
}

.network-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.72);
}

.network-table {
  width: 100%;
  border-collapse: collapse;
}

.network-table th,
.network-table td {
  padding: 0.95rem 1.1rem;
  text-align: left;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}

.network-table th {
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  background: rgba(243, 247, 246, 0.8);
}

.network-table tr:last-child td {
  border-bottom: 0;
}

.network-table tr.is-active {
  background: rgba(15, 118, 110, 0.06);
}

.network-table code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.85rem;
  color: var(--teal-deep);
}

.network-row-btn {
  font-weight: 600;
  color: var(--ink);
  padding: 0;
}

.network-row-btn:hover {
  color: var(--teal-deep);
}

.flat-map[data-map-editable="1"] .flat-map-stage {
  cursor: crosshair;
}

@media (max-width: 960px) {
  .flat-map {
    grid-template-columns: 1fr;
  }

  .flat-map-stage {
    min-height: 320px;
  }

  .map-node-label {
    display: none;
  }
}

/* ---------- Auth (login / register) ---------- */

.auth-page {
  min-height: calc(100vh - var(--header-h));
  display: grid;
  place-items: center;
  padding: calc(var(--header-h) + 2.5rem) 1.25rem 3.5rem;
}

.auth-card {
  width: min(100%, 440px);
  padding: 2.25rem 2rem 2rem;
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid var(--line);
  border-radius: 10px;
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(12px);
}

.auth-card .auth-kicker {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 0.75rem;
}

.auth-card h1 {
  font-size: 1.85rem;
  margin-bottom: 0.45rem;
}

.auth-card .auth-lead {
  color: var(--muted);
  font-size: 0.98rem;
  margin-bottom: 1.65rem;
}

.auth-form {
  display: grid;
  gap: 1rem;
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.form-field label {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--ink-soft);
}

.form-field input,
.form-field textarea,
.form-field select {
  width: 100%;
  min-height: 2.85rem;
  padding: 0.7rem 0.85rem;
  border: 1px solid rgba(13, 27, 26, 0.16);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.92);
  color: var(--ink);
  transition: border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
}

.form-field textarea {
  min-height: 6.5rem;
  resize: vertical;
}

.form-field input:focus,
.form-field textarea:focus,
.form-field select:focus {
  outline: none;
  border-color: var(--teal);
  box-shadow: 0 0 0 3px rgba(15, 118, 110, 0.14);
}

.form-field .field-hint {
  font-size: 0.82rem;
  color: var(--muted);
}

.auth-actions {
  display: grid;
  gap: 0.85rem;
  margin-top: 0.35rem;
}

.auth-switch {
  margin-top: 1.35rem;
  padding-top: 1.15rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.92rem;
  text-align: center;
}

.auth-switch a {
  color: var(--teal-deep);
  font-weight: 600;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s var(--ease);
}

.auth-switch a:hover {
  border-bottom-color: var(--teal);
}

.site-alert {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.8rem 0.95rem;
  border-radius: var(--radius);
  border: 1px solid transparent;
  margin-bottom: 1.15rem;
  font-size: 0.94rem;
}

.site-alert-success {
  background: #e4f4f1;
  border-color: rgba(11, 92, 86, 0.18);
  color: var(--teal-deep);
}

.site-alert-error {
  background: #fdecea;
  border-color: rgba(180, 35, 24, 0.16);
  color: #b42318;
}

.site-alert-info {
  background: var(--teal-soft);
  border-color: rgba(15, 118, 110, 0.18);
  color: var(--teal-deep);
}

/* ---------- Account center ---------- */

.account-page {
  padding: calc(var(--header-h) + 2.25rem) 0 4.5rem;
}

.account-shell {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  gap: 1.75rem;
  align-items: start;
}

.account-aside {
  position: sticky;
  top: calc(var(--header-h) + 1rem);
  padding: 1.15rem 1rem;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid var(--line);
  border-radius: 10px;
  box-shadow: 0 12px 32px rgba(13, 27, 26, 0.04);
}

.account-aside-head {
  padding: 0.15rem 0.45rem 1rem;
  border-bottom: 1px solid var(--line);
  margin-bottom: 0.85rem;
}

.account-aside-head .aside-label {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--teal);
}

.account-aside-head strong {
  display: block;
  margin-top: 0.35rem;
  font-family: var(--font-display);
  font-size: 1.15rem;
  letter-spacing: -0.03em;
}

.account-aside-head span {
  display: block;
  margin-top: 0.2rem;
  color: var(--muted);
  font-size: 0.88rem;
  word-break: break-all;
}

.account-nav {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.account-nav a {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.7rem 0.75rem;
  border-radius: var(--radius);
  color: var(--ink-soft);
  font-weight: 500;
  font-size: 0.95rem;
  transition: background 0.2s var(--ease), color 0.2s var(--ease);
}

.account-nav a:hover {
  background: rgba(15, 118, 110, 0.08);
  color: var(--ink);
}

.account-nav a.is-active {
  background: var(--ink);
  color: var(--white);
}

.account-nav .nav-logout {
  margin-top: 0.55rem;
  color: var(--muted);
  border-top: 1px solid var(--line);
  border-radius: 0;
  padding-top: 0.95rem;
}

.account-nav .nav-logout:hover {
  color: #b42318;
  background: transparent;
}

.account-main {
  min-width: 0;
}

.account-hero {
  margin-bottom: 1.35rem;
}

.account-hero .section-label {
  display: inline-block;
  margin-bottom: 0.55rem;
}

.account-hero h1 {
  font-size: clamp(1.8rem, 3vw, 2.35rem);
  margin-bottom: 0.4rem;
}

.account-hero p {
  color: var(--muted);
  max-width: 46ch;
}

.account-panel {
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid var(--line);
  border-radius: 10px;
  box-shadow: 0 12px 32px rgba(13, 27, 26, 0.04);
  overflow: hidden;
}

.account-panel + .account-panel {
  margin-top: 1.15rem;
}

.account-panel-head {
  padding: 1.15rem 1.35rem;
  border-bottom: 1px solid var(--line);
}

.account-panel-head h2 {
  font-size: 1.15rem;
}

.account-panel-head p {
  margin-top: 0.25rem;
  color: var(--muted);
  font-size: 0.92rem;
}

.account-panel-body {
  padding: 1.35rem;
}

.account-stat-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.85rem;
  margin-bottom: 1.15rem;
}

.account-stat {
  padding: 1rem 1.1rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(255,255,255,0.9), rgba(243,247,246,0.65));
}

.account-stat .stat-label {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--teal);
}

.account-stat strong {
  display: block;
  margin-top: 0.45rem;
  font-family: var(--font-display);
  font-size: 1.15rem;
  letter-spacing: -0.03em;
}

.account-stat span {
  display: block;
  margin-top: 0.25rem;
  color: var(--muted);
  font-size: 0.88rem;
}

.account-list {
  border-top: 1px solid var(--line);
}

.account-list a,
.account-list .account-list-item {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 1rem;
  align-items: center;
  padding: 1.05rem 0;
  border-bottom: 1px solid var(--line);
  transition: opacity 0.2s var(--ease);
}

.account-list a:hover {
  opacity: 0.72;
}

.account-list strong {
  display: block;
  font-size: 1rem;
}

.account-list p {
  margin-top: 0.2rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.account-list .list-arrow {
  color: var(--teal);
  font-size: 1.1rem;
}

.account-form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem 1.1rem;
}

.account-form-grid .full {
  grid-column: 1 / -1;
}

.account-form-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.25rem;
  padding-top: 1.15rem;
  border-top: 1px solid var(--line);
}

.security-rows {
  display: grid;
  gap: 0;
}

.security-row {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 1rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--line);
}

.security-row:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.security-row:first-child {
  padding-top: 0;
}

.security-row dt {
  font-weight: 600;
  color: var(--ink-soft);
}

.security-row dd {
  margin: 0;
  color: var(--ink);
}

.badge-soft {
  display: inline-flex;
  align-items: center;
  min-height: 1.55rem;
  padding: 0.15rem 0.55rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 700;
  background: var(--teal-soft);
  color: var(--teal-deep);
}

/* Header member entry */

.nav-auth {
  display: inline-flex;
  align-items: center;
}

.nav-login {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--ink-soft);
  transition: color 0.25s var(--ease);
}

.nav-login:hover {
  color: var(--teal-deep);
}

.nav-member {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.25rem 0.55rem 0.25rem 0.25rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.55);
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease);
}

.nav-member:hover {
  border-color: rgba(15, 118, 110, 0.35);
  background: var(--teal-soft);
}

.nav-member-avatar {
  width: 1.7rem;
  height: 1.7rem;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: var(--ink);
  color: var(--white);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.78rem;
}

.nav-member-name {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--ink);
  max-width: 7.5rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

@media (max-width: 960px) {
  .account-shell {
    grid-template-columns: 1fr;
  }

  .account-aside {
    position: static;
  }

  .account-nav {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 0.4rem;
  }

  .account-nav a {
    padding: 0.5rem 0.75rem;
    border: 1px solid var(--line);
  }

  .account-nav a.is-active {
    border-color: var(--ink);
  }

  .account-nav .nav-logout {
    margin-top: 0;
    border-top: 0;
    padding-top: 0.5rem;
    width: 100%;
    justify-content: center;
  }

  .account-stat-row,
  .account-form-grid {
    grid-template-columns: 1fr;
  }

  .security-row {
    grid-template-columns: 1fr;
    gap: 0.25rem;
  }

  .nav-member-name {
    max-width: 5.5rem;
  }
}

@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;
  }

  [data-reveal] {
    opacity: 1;
    transform: none;
  }

  .hero-home .brand-char,
  .hero-home .hero-title-inner,
  .hero-home .lead-word,
  .hero-home .hero-meta,
  .hero-home .hero-actions,
  .hero-home .hero-scroll {
    opacity: 1 !important;
    transform: none !important;
    filter: none !important;
    animation: none !important;
  }

  .hero-sheen,
  .hero-field,
  .hero-grid,
  .hero-scroll-line {
    animation: none !important;
  }
}