:root {
  /* Brand palette (from Seedbox deck) */
  --ink: #14161f;
  --muted: #5c6579;
  --line: rgba(20, 22, 31, 0.10);
  --line-soft: rgba(20, 22, 31, 0.06);
  --paper: #ffffff;
  --paper-2: #f5f8fb;

  --blue: #4a5bf0;        /* periwinkle — PART dividers / primary */
  --blue-deep: #3646d8;
  --blue-ink: #222a52;
  --green: #1fc98b;       /* emerald — mascot / accent */
  --green-deep: #14b47a;
  --green-soft: #b7f0cd;
  --mint: #d8f8e6;
  --sky: #a9bde9;
  --lavender: #c6cdf7;
  --coral: #ff7a59;

  /* Layered, brand-tinted shadows for depth */
  --shadow-xs: 0 1px 2px rgba(20, 22, 31, 0.035), 0 4px 12px rgba(60, 72, 140, 0.055);
  --shadow-sm: 0 1px 2px rgba(20, 22, 31, 0.035), 0 10px 28px rgba(60, 72, 140, 0.08);
  --shadow: 0 2px 6px rgba(20, 22, 31, 0.045), 0 20px 50px rgba(60, 72, 140, 0.12);
  --shadow-lg: 0 4px 10px rgba(20, 22, 31, 0.05), 0 34px 74px rgba(60, 72, 140, 0.17);
  --shadow-blue: 0 12px 26px rgba(74, 91, 240, 0.28);

  --grad-brand: linear-gradient(115deg, var(--green), var(--blue) 78%);
  --grad-line: linear-gradient(90deg, var(--green), var(--blue) 55%, var(--coral));

  --radius: 20px;
  --radius-lg: 26px;
  --radius-sm: 13px;
  --max: 1180px;
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
  scroll-padding-top: 84px;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "Plus Jakarta Sans", -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
  font-feature-settings: "ss01", "cv01";
  letter-spacing: -0.005em;
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

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

button {
  font: inherit;
}

::selection {
  background: rgba(74, 91, 240, 0.18);
}

/* ---------------------------------------------------------------- Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 74px;
  padding: 0 6vw;
  background: rgba(255, 255, 255, 0.72);
  border-bottom: 1px solid var(--line-soft);
  backdrop-filter: saturate(160%) blur(18px);
  -webkit-backdrop-filter: saturate(160%) blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  font-weight: 800;
  font-size: 22px;
  letter-spacing: -0.02em;
}

.brand img {
  width: 40px;
  height: 40px;
  padding: 4px;
  border-radius: 50%;
  background: radial-gradient(circle at 50% 35%, #ffffff, var(--mint));
  box-shadow: inset 0 0 0 1px rgba(31, 201, 139, 0.28), var(--shadow-xs);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 30px;
  color: rgba(20, 22, 31, 0.66);
  font-size: 15px;
  font-weight: 600;
}

.site-nav a {
  position: relative;
  padding: 26px 0;
  transition: color 180ms var(--ease);
}

.site-nav a:hover,
.site-nav a.is-active {
  color: var(--ink);
}

.site-nav a.is-active::after {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 20px;
  height: 3px;
  content: "";
  background: var(--grad-line);
  border-radius: 999px;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

/* ---------------------------------------------------------------- Buttons */
.phone-link,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 48px;
  padding: 0 24px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--ink);
  background: #ffffff;
  font-weight: 700;
  letter-spacing: -0.01em;
  cursor: pointer;
  box-shadow: var(--shadow-xs);
  transition: transform 200ms var(--ease), color 200ms var(--ease),
    background 200ms var(--ease), border-color 200ms var(--ease), box-shadow 200ms var(--ease);
}

.phone-link {
  min-height: 42px;
  padding: 0 18px;
  font-size: 14px;
  background: rgba(255, 255, 255, 0.6);
}

.button:hover,
.phone-link:hover {
  transform: translateY(-2px);
  color: var(--blue);
  border-color: rgba(74, 91, 240, 0.45);
  box-shadow: var(--shadow-sm);
}

.button.is-primary {
  color: #ffffff;
  background: var(--blue);
  border-color: transparent;
  box-shadow: var(--shadow-blue);
}

.button.is-primary:hover {
  color: #ffffff;
  background: var(--blue-deep);
  border-color: transparent;
  box-shadow: 0 16px 32px rgba(74, 91, 240, 0.42);
}

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 0;
  background: transparent;
  color: var(--ink);
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  height: 2px;
  margin: 8px 6px;
  background: currentColor;
  border-radius: 2px;
  transition: transform 200ms var(--ease), opacity 200ms var(--ease);
}

body.nav-open {
  overflow: hidden;
}

body.nav-open .menu-toggle span:nth-child(1) {
  transform: translateY(10px) rotate(45deg);
}

body.nav-open .menu-toggle span:nth-child(2) {
  opacity: 0;
}

body.nav-open .menu-toggle span:nth-child(3) {
  transform: translateY(-10px) rotate(-45deg);
}

/* ---------------------------------------------------------------- Hero */
.hero {
  position: relative;
  isolation: isolate;
  display: flex;
  align-items: center;
  min-height: calc(100svh - 140px);
  padding: 66px 6vw 74px;
  overflow: hidden;
  background:
    radial-gradient(115% 125% at 85% 4%, rgba(74, 91, 240, 0.55), transparent 55%),
    radial-gradient(115% 120% at 3% 100%, rgba(31, 201, 139, 0.48), transparent 54%),
    linear-gradient(122deg, #96ebca 0%, #a8c4f2 52%, #f1c4b0 100%);
}

.hero::before,
.hero::after,
.page-hero::before,
.page-hero::after,
.band.is-fluid::before,
.band.is-fluid::after {
  position: absolute;
  z-index: -1;
  content: "";
  border-radius: 46% 54% 57% 43% / 50% 44% 56% 50%;
  filter: blur(6px);
}

.hero::before {
  right: -8vw;
  top: -16vh;
  width: 46vw;
  height: 52vh;
  background: radial-gradient(circle at 40% 40%, rgba(94, 110, 255, 0.55), rgba(74, 91, 240, 0.16));
}

.hero::after {
  right: 6vw;
  bottom: -26vh;
  width: 40vw;
  height: 60vh;
  background: radial-gradient(circle at 50% 40%, rgba(31, 201, 139, 0.62), rgba(20, 180, 122, 0.10));
}

/* soft flowing lines echoing the deck cover */
.hero-media {
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: 0.5;
  background:
    radial-gradient(60% 60% at 20% 30%, rgba(255, 255, 255, 0.55), transparent 60%);
  mix-blend-mode: soft-light;
}

.hero-media img {
  display: none;
}

.hero-inner,
.page-hero-inner,
.section-inner {
  width: min(100%, var(--max));
  margin: 0 auto;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(330px, 0.72fr);
  gap: 56px;
  align-items: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin: 0 0 20px;
  padding: 7px 15px 7px 13px;
  color: var(--blue-ink);
  background: rgba(255, 255, 255, 0.62);
  border: 1px solid rgba(255, 255, 255, 0.7);
  border-radius: 999px;
  font-size: 12.5px;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  box-shadow: var(--shadow-xs);
}

.eyebrow::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--grad-brand);
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 820px;
  margin-bottom: 20px;
  color: #ffffff;
  font-size: clamp(60px, 11.5vw, 144px);
  line-height: 0.92;
  font-weight: 800;
  letter-spacing: -0.035em;
  text-shadow: 0 10px 40px rgba(30, 44, 96, 0.28);
}

.hero h1 {
  color: #ffffff;
}

.hero-lede {
  max-width: 680px;
  margin-bottom: 26px;
  color: var(--blue-ink);
  font-size: clamp(23px, 3vw, 40px);
  line-height: 1.2;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.hero-copy {
  max-width: 620px;
  margin-bottom: 34px;
  color: rgba(28, 32, 48, 0.82);
  font-size: 18px;
  line-height: 1.75;
}

.hero-actions,
.section-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
}

.hero-panel {
  position: relative;
  min-height: 430px;
}

.hero-panel .mascot-float {
  position: absolute;
  top: 6px;
  right: 10px;
  z-index: 2;
  width: 96px;
  height: 96px;
  padding: 12px;
  border-radius: 50%;
  background: radial-gradient(circle at 50% 32%, #ffffff, var(--mint));
  box-shadow: 0 18px 40px rgba(20, 180, 122, 0.32), inset 0 0 0 1px rgba(255, 255, 255, 0.8);
  animation: floaty 5s ease-in-out infinite;
}

@keyframes floaty {
  50% {
    transform: translateY(-12px);
  }
}

.metric-stack {
  display: grid;
  gap: 14px;
  margin-top: 118px;
}

.metric {
  position: relative;
  padding: 22px 24px;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(255, 255, 255, 0.9);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  transition: transform 240ms var(--ease), box-shadow 240ms var(--ease);
}

.metric:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow);
}

.metric strong {
  display: block;
  margin-bottom: 6px;
  color: var(--blue);
  font-size: clamp(34px, 5vw, 52px);
  line-height: 1;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.metric span {
  color: var(--muted);
  font-size: 14.5px;
  line-height: 1.5;
}

.next-hint {
  position: absolute;
  left: 50%;
  bottom: 20px;
  width: 28px;
  height: 44px;
  transform: translateX(-50%);
  border: 1.5px solid rgba(34, 42, 82, 0.4);
  border-radius: 999px;
}

.next-hint::after {
  position: absolute;
  left: 50%;
  top: 9px;
  width: 4px;
  height: 9px;
  content: "";
  transform: translateX(-50%);
  background: var(--blue-ink);
  border-radius: 999px;
  animation: scroll-dot 1.1s ease-in-out infinite alternate;
}

@keyframes scroll-dot {
  to {
    top: 22px;
    opacity: 0.25;
  }
}

/* ---------------------------------------------------------------- Bands */
.band {
  position: relative;
  padding: 104px 6vw;
  overflow: hidden;
}

.band.is-soft {
  background:
    radial-gradient(58% 46% at 100% 0%, rgba(31, 201, 139, 0.055), transparent 62%),
    linear-gradient(180deg, #ffffff 0%, #f6faf8 100%);
}

.band.is-blue {
  background:
    radial-gradient(58% 46% at 0% 0%, rgba(74, 91, 240, 0.06), transparent 62%),
    linear-gradient(180deg, #f6f9ff 0%, #fbfdff 100%);
}

.band.is-dark {
  color: #ffffff;
  background: #0d0f18;
}

.band.is-fluid::before {
  left: -14vw;
  top: 8%;
  width: 34vw;
  height: 42vw;
  background: rgba(31, 201, 139, 0.14);
  filter: blur(30px);
}

.band.is-fluid::after {
  right: -10vw;
  bottom: -14%;
  width: 36vw;
  height: 40vw;
  background: rgba(74, 91, 240, 0.12);
  filter: blur(30px);
}

.section-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 40px;
  margin-bottom: 48px;
}

.section-head h2,
.page-hero h1 {
  margin-bottom: 0;
  color: var(--ink);
  font-size: clamp(34px, 5vw, 66px);
  line-height: 1.04;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.section-head p {
  max-width: 500px;
  margin-bottom: 6px;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.75;
}

.gradient-line {
  width: 108px;
  height: 6px;
  margin: 22px 0 0;
  background: var(--grad-line);
  border-radius: 999px;
}

/* ---------------------------------------------------------------- Cards */
.card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.card {
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 100%;
  padding: 32px 30px;
  overflow: hidden;
  background: #ffffff;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  transition: transform 260ms var(--ease), box-shadow 260ms var(--ease), border-color 260ms var(--ease);
}

.card::before {
  position: absolute;
  left: 0;
  top: 0;
  right: 0;
  height: 3px;
  content: "";
  background: var(--grad-brand);
  opacity: 0;
  transition: opacity 260ms var(--ease);
}

.card:hover {
  transform: translateY(-6px);
  border-color: rgba(74, 91, 240, 0.18);
  box-shadow: var(--shadow);
}

.card:hover::before {
  opacity: 1;
}

.card h3 {
  margin-bottom: 14px;
  font-size: 23px;
  line-height: 1.3;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.card p,
.card li,
.story-card p {
  color: var(--muted);
  font-size: 15.5px;
  line-height: 1.72;
}

.card ul {
  padding-left: 20px;
  margin: 0;
}

.card .button {
  margin-top: auto;
  align-self: flex-start;
}

.card-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  margin-bottom: 24px;
  color: #ffffff;
  background: var(--grad-brand);
  border-radius: 15px;
  font-size: 18px;
  font-weight: 800;
  box-shadow: 0 10px 22px rgba(74, 91, 240, 0.26);
}

/* ---------------------------------------------------------------- Feature */
.feature-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.96fr) minmax(0, 1.04fr);
  gap: 54px;
  align-items: center;
}

.feature-grid.is-reverse {
  grid-template-columns: minmax(0, 1.04fr) minmax(0, 0.96fr);
}

/* Growth-loop visual (replaces pasted deck slide) */
.flow-visual {
  position: relative;
  display: grid;
  gap: 14px;
  padding: 30px;
  background:
    radial-gradient(120% 90% at 100% 0%, rgba(74, 91, 240, 0.10), transparent 58%),
    radial-gradient(100% 90% at 0% 100%, rgba(31, 201, 139, 0.10), transparent 58%),
    linear-gradient(160deg, #ffffff, #f2f7ff);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}

.flow-node {
  position: relative;
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 18px 20px;
  background: #ffffff;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  box-shadow: var(--shadow-xs);
}

.flow-node:not(:first-child)::before {
  position: absolute;
  left: 42px;
  top: -15px;
  width: 2px;
  height: 15px;
  content: "";
  background: linear-gradient(rgba(74, 91, 240, 0.5), rgba(74, 91, 240, 0.15));
}

.flow-ico {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  flex: none;
  border-radius: 14px;
  color: #ffffff;
  font-weight: 800;
  background: var(--grad-brand);
  box-shadow: 0 8px 18px rgba(74, 91, 240, 0.22);
}

.flow-ico[data-c="blue"] {
  background: linear-gradient(135deg, #5a6bff, #3646d8);
}

.flow-ico[data-c="coral"] {
  background: linear-gradient(135deg, #ff9a76, #ff6f4d);
  box-shadow: 0 8px 18px rgba(255, 122, 89, 0.28);
}

.flow-node strong {
  display: block;
  margin-bottom: 2px;
  font-size: 16.5px;
  font-weight: 800;
  letter-spacing: -0.01em;
}

.flow-node span {
  color: var(--muted);
  font-size: 13.5px;
  line-height: 1.5;
}

.flow-result {
  margin-top: 4px;
  padding: 17px;
  text-align: center;
  color: #ffffff;
  font-size: 16px;
  font-weight: 800;
  letter-spacing: 0.02em;
  border-radius: var(--radius);
  background: var(--grad-brand);
  box-shadow: var(--shadow-blue);
}

/* ---------------------------------------------------------------- Feature visuals */
.viz-frame {
  position: relative;
  padding: 28px;
  overflow: hidden;
  background:
    radial-gradient(120% 90% at 100% 0%, rgba(74, 91, 240, 0.10), transparent 58%),
    radial-gradient(100% 90% at 0% 100%, rgba(31, 201, 139, 0.10), transparent 58%),
    linear-gradient(160deg, #ffffff, #f1f6fd);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}

.viz-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 18px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.viz-title strong {
  color: var(--ink);
  font-size: 15px;
  font-weight: 800;
}

.viz-dot {
  display: inline-flex;
  gap: 5px;
}

.viz-dot i {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--line);
}

.viz-dot i:nth-child(1) { background: #ff7a59; }
.viz-dot i:nth-child(2) { background: #ffc73a; }
.viz-dot i:nth-child(3) { background: var(--green); }

/* Creator profile card */
.viz-creator-top {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 18px;
  background: #ffffff;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  box-shadow: var(--shadow-xs);
}

.viz-avatar {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  flex: none;
  border-radius: 50%;
  color: #fff;
  font-size: 20px;
  font-weight: 800;
  background: var(--grad-brand);
}

.viz-creator-top > div {
  flex: 1;
  min-width: 0;
}

.viz-creator-top strong {
  display: block;
  font-size: 16px;
  font-weight: 800;
}

.viz-creator-top small {
  color: var(--muted);
  font-size: 13px;
}

.viz-match {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  padding: 8px 14px;
  color: var(--green-deep);
  background: rgba(31, 201, 139, 0.12);
  border-radius: 14px;
  font-size: 22px;
  font-weight: 800;
  line-height: 1;
}

.viz-match span {
  margin-top: 3px;
  color: var(--muted);
  font-size: 11px;
  font-weight: 700;
}

.viz-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin: 12px 0;
}

.viz-metrics > div {
  padding: 14px;
  text-align: center;
  background: #ffffff;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-sm);
}

.viz-metrics strong {
  display: block;
  color: var(--blue);
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.viz-metrics span {
  color: var(--muted);
  font-size: 12px;
}

.viz-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.viz-tags span {
  padding: 7px 13px;
  background: rgba(74, 91, 240, 0.08);
  border: 1px solid rgba(74, 91, 240, 0.16);
  border-radius: 999px;
  color: var(--blue-ink);
  font-size: 12.5px;
  font-weight: 700;
}

.viz-tags span.is-on {
  color: #fff;
  background: var(--blue);
  border-color: transparent;
}

/* Analytics dashboard */
.viz-dash-grid {
  display: grid;
  grid-template-columns: 128px 1fr;
  gap: 14px;
  margin-bottom: 12px;
}

.viz-donut {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 16px 8px;
  background: #ffffff;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
}

.viz-ring {
  position: relative;
  width: 74px;
  height: 74px;
  border-radius: 50%;
  background: conic-gradient(var(--blue) var(--v, 78%), rgba(74, 91, 240, 0.14) 0);
}

.viz-ring::after {
  position: absolute;
  inset: 10px;
  content: attr(data-label);
  display: flex;
  align-items: center;
  justify-content: center;
  background: #fff;
  border-radius: 50%;
  color: var(--blue);
  font-size: 17px;
  font-weight: 800;
}

.viz-donut span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 600;
}

.viz-bars {
  display: flex;
  align-items: flex-end;
  gap: 8px;
  height: 134px;
  padding: 16px 18px 14px;
  background: #ffffff;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
}

.viz-bars i {
  position: relative;
  flex: 1;
  height: var(--h, 50%);
  min-height: 8px;
  overflow: hidden;
  border-radius: 6px 6px 3px 3px;
  background: linear-gradient(180deg, var(--blue), #7d8bff);
  opacity: 0.46;
  transform: scaleY(0.08);
  transform-origin: bottom;
  transition: transform 1250ms cubic-bezier(0.16, 1, 0.3, 1), opacity 720ms var(--ease-out);
  will-change: transform, opacity;
}

.viz-bars i::after {
  position: absolute;
  inset: -30% 0;
  content: "";
  background: linear-gradient(180deg, transparent, rgba(255, 255, 255, 0.48), transparent);
  opacity: 0.72;
  transform: translateY(120%);
}

.reveal.is-visible .viz-bars i {
  opacity: 1;
  transform: scaleY(1);
}

.reveal.is-visible .viz-bars i::after {
  animation: chart-bar-shine 1300ms var(--ease-out) both;
}

.reveal.is-visible .viz-bars i:nth-child(1) { transition-delay: 80ms; }
.reveal.is-visible .viz-bars i:nth-child(2) { transition-delay: 150ms; }
.reveal.is-visible .viz-bars i:nth-child(3) { transition-delay: 220ms; }
.reveal.is-visible .viz-bars i:nth-child(4) { transition-delay: 290ms; }
.reveal.is-visible .viz-bars i:nth-child(5) { transition-delay: 360ms; }
.reveal.is-visible .viz-bars i:nth-child(6) { transition-delay: 430ms; }

.reveal.is-visible .viz-bars i:nth-child(1)::after { animation-delay: 420ms; }
.reveal.is-visible .viz-bars i:nth-child(2)::after { animation-delay: 490ms; }
.reveal.is-visible .viz-bars i:nth-child(3)::after { animation-delay: 560ms; }
.reveal.is-visible .viz-bars i:nth-child(4)::after { animation-delay: 630ms; }
.reveal.is-visible .viz-bars i:nth-child(5)::after { animation-delay: 700ms; }
.reveal.is-visible .viz-bars i:nth-child(6)::after { animation-delay: 770ms; }

.viz-bars i:last-child {
  background: linear-gradient(180deg, var(--green), #57e0ac);
}

/* Channel list */
.viz-chan {
  display: flex;
  align-items: center;
  gap: 15px;
  padding: 16px 18px;
  background: #ffffff;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  box-shadow: var(--shadow-xs);
}

.viz-chan + .viz-chan {
  margin-top: 12px;
}

.viz-chan-ico {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  flex: none;
  border-radius: 13px;
  color: #fff;
  font-size: 20px;
  font-weight: 800;
}

.viz-chan-ico[data-c="google"] { background: linear-gradient(135deg, #4285f4, #1a73e8); }
.viz-chan-ico[data-c="meta"] { background: linear-gradient(135deg, #4a8bff, #0866ff); }
.viz-chan-ico[data-c="tiktok"] { background: linear-gradient(135deg, #2b2b32, #010101); }

.viz-chan > div {
  flex: 1;
  min-width: 0;
}

.viz-chan strong {
  display: block;
  font-size: 16px;
  font-weight: 800;
}

.viz-chan small {
  color: var(--muted);
  font-size: 13px;
}

.viz-chan em {
  padding: 6px 13px;
  font-style: normal;
  font-size: 12.5px;
  font-weight: 700;
  color: var(--blue-ink);
  background: rgba(74, 91, 240, 0.09);
  border-radius: 999px;
}

/* Content matrix */
.viz-matrix {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.viz-tile {
  position: relative;
  display: flex;
  align-items: flex-end;
  aspect-ratio: 3 / 4;
  padding: 12px;
  overflow: hidden;
  border-radius: var(--radius-sm);
  color: #fff;
  font-size: 13px;
  font-weight: 700;
}

.viz-tile i {
  position: relative;
  z-index: 1;
  display: block;
  width: 100%;
  font-style: normal;
}

.content-matrix-card .viz-tile {
  opacity: 0;
  transform: translateY(20px) scale(0.96);
  transition: opacity 780ms var(--ease-out), transform 980ms var(--ease-out);
  will-change: opacity, transform;
}

.content-matrix-card.is-visible .viz-tile {
  opacity: 1;
  transform: none;
}

.content-matrix-card.is-visible .viz-tile:nth-child(1) { transition-delay: 120ms; }
.content-matrix-card.is-visible .viz-tile:nth-child(2) { transition-delay: 200ms; }
.content-matrix-card.is-visible .viz-tile:nth-child(3) { transition-delay: 280ms; }
.content-matrix-card.is-visible .viz-tile:nth-child(4) { transition-delay: 360ms; }
.content-matrix-card.is-visible .viz-tile:nth-child(5) { transition-delay: 440ms; }
.content-matrix-card.is-visible .viz-tile:nth-child(6) { transition-delay: 520ms; }

.content-matrix-card .viz-tile i::after {
  display: block;
  width: min(58px, 72%);
  height: 3px;
  margin-top: 8px;
  content: "";
  background: linear-gradient(90deg, rgba(255, 255, 255, 0.25) 0%, rgba(255, 255, 255, 0.25) 28%, rgba(255, 255, 255, 0.92) 48%, rgba(255, 255, 255, 0.25) 68%, rgba(255, 255, 255, 0.25) 100%);
  background-size: 220% 100%;
  border-radius: 999px;
  opacity: 0;
  transition: opacity 360ms var(--ease);
}

.content-matrix-card.is-visible .viz-tile i::after {
  opacity: 0.86;
  animation: tile-loader 1800ms linear infinite;
}

.content-matrix-card.is-visible .viz-tile::before {
  animation: tile-play-pulse 2300ms ease-in-out infinite;
}

.viz-tile::before {
  position: absolute;
  left: 50%;
  top: 42%;
  z-index: 1;
  width: 34px;
  height: 34px;
  content: "";
  transform: translate(-50%, -50%);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.24);
  border: 1.5px solid rgba(255, 255, 255, 0.7);
}

.viz-tile::after {
  position: absolute;
  left: calc(50% + 2px);
  top: 42%;
  z-index: 2;
  content: "";
  transform: translate(-50%, -50%);
  border-left: 9px solid #fff;
  border-top: 6px solid transparent;
  border-bottom: 6px solid transparent;
}

.viz-tile:nth-child(1) { background: linear-gradient(150deg, #1fc98b, #4a5bf0); }
.viz-tile:nth-child(2) { background: linear-gradient(150deg, #4a5bf0, #6f7dff); }
.viz-tile:nth-child(3) { background: linear-gradient(150deg, #ff9a76, #ff6f4d); }
.viz-tile:nth-child(4) { background: linear-gradient(150deg, #6f7dff, #a06bff); }
.viz-tile:nth-child(5) { background: linear-gradient(150deg, #14b47a, #1fc98b); }
.viz-tile:nth-child(6) { background: linear-gradient(150deg, #ff7a59, #ffb347); }

/* Stage flow */
.viz-stages {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

.viz-stage {
  position: relative;
  padding: 18px 18px 18px 20px;
  overflow: hidden;
  background: #ffffff;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  box-shadow: var(--shadow-xs);
}

.process-visual::after {
  position: absolute;
  inset: 0;
  z-index: 3;
  content: "";
  pointer-events: none;
  background: linear-gradient(110deg, transparent 0%, transparent 40%, rgba(255, 255, 255, 0.46) 50%, transparent 60%, transparent 100%);
  transform: translateX(-125%);
}

.process-visual.is-visible::after {
  animation: panel-sheen 1600ms var(--ease-out) 360ms both;
}

.process-visual .viz-stage {
  opacity: 0;
  transform: translateY(18px) scale(0.96);
  transition: opacity 760ms var(--ease-out), transform 920ms var(--ease-out), box-shadow 220ms var(--ease);
  will-change: opacity, transform;
}

.process-visual.is-visible .viz-stage {
  opacity: 1;
  transform: none;
}

.process-visual.is-visible .viz-stage:nth-child(1) { transition-delay: 160ms; }
.process-visual.is-visible .viz-stage:nth-child(2) { transition-delay: 260ms; }
.process-visual.is-visible .viz-stage:nth-child(3) { transition-delay: 360ms; }
.process-visual.is-visible .viz-stage:nth-child(4) { transition-delay: 460ms; }

.process-visual.is-visible .viz-stage > span {
  animation: stage-badge-pop 760ms var(--ease-out) both;
}

.process-visual.is-visible .viz-stage:nth-child(1) > span { animation-delay: 220ms; }
.process-visual.is-visible .viz-stage:nth-child(2) > span { animation-delay: 320ms; }
.process-visual.is-visible .viz-stage:nth-child(3) > span { animation-delay: 420ms; }
.process-visual.is-visible .viz-stage:nth-child(4) > span { animation-delay: 520ms; }

.viz-stage > span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  margin-bottom: 12px;
  color: #fff;
  background: var(--grad-brand);
  border-radius: 11px;
  font-size: 15px;
  font-weight: 800;
}

.viz-stage strong {
  display: block;
  font-size: 16px;
  font-weight: 800;
}

.viz-stage small {
  color: var(--muted);
  font-size: 13px;
}

.copy-block h2 {
  margin-bottom: 20px;
  font-size: clamp(32px, 4.6vw, 58px);
  line-height: 1.06;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.copy-block p {
  color: var(--muted);
  font-size: 17px;
  line-height: 1.8;
}

.pill-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 26px;
}

.pill {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 0 16px;
  color: var(--blue-ink);
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(74, 91, 240, 0.18);
  border-radius: 999px;
  font-size: 14px;
  font-weight: 700;
  box-shadow: var(--shadow-xs);
}

/* ---------------------------------------------------------------- Cases */
.case-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-items: start;
  gap: 26px;
}

.case-card {
  position: relative;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: #ffffff;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: transform 260ms var(--ease), box-shadow 260ms var(--ease);
}

.case-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow);
}

.case-media {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 16px;
  min-height: 152px;
  padding: 24px 26px;
  overflow: hidden;
  color: #fff;
  background: var(--grad-brand);
}

.case-media.is-alt {
  background: linear-gradient(120deg, var(--coral), var(--blue) 96%);
}

.case-media::after {
  position: absolute;
  right: -50px;
  top: -70px;
  width: 210px;
  height: 210px;
  content: "";
  background: radial-gradient(circle, rgba(255, 255, 255, 0.30), transparent 68%);
  border-radius: 50%;
}

.case-kpi {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-size: 46px;
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.03em;
}

.case-kpi em {
  font-size: 26px;
  font-style: normal;
  font-weight: 700;
  opacity: 0.9;
}

.case-kpi small {
  font-size: 13.5px;
  font-weight: 700;
  letter-spacing: 0.02em;
  opacity: 0.86;
}

.case-tags {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.case-tag {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 0 13px;
  background: rgba(255, 255, 255, 0.20);
  border: 1px solid rgba(255, 255, 255, 0.42);
  border-radius: 999px;
  font-size: 13px;
  font-weight: 700;
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

.case-body {
  padding: 26px 28px 30px;
}

.case-body h3 {
  margin-bottom: 10px;
  font-size: 27px;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.case-body > p {
  color: var(--muted);
  font-size: 15.5px;
  line-height: 1.7;
}

.stat-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 22px;
}

.stat {
  padding: 16px 14px;
  background: var(--paper-2);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-sm);
  text-align: left;
}

.stat.is-lead {
  background: linear-gradient(135deg, rgba(31, 201, 139, 0.14), rgba(74, 91, 240, 0.12));
  border-color: rgba(74, 91, 240, 0.16);
}

.stat strong {
  display: block;
  color: var(--blue);
  font-size: 24px;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.stat span {
  color: var(--muted);
  font-size: 12.5px;
}

/* ---------------------------------------------------------------- Page hero */
.page-hero {
  position: relative;
  isolation: isolate;
  padding: 104px 6vw 84px;
  overflow: hidden;
  background:
    radial-gradient(110% 120% at 88% 6%, rgba(74, 91, 240, 0.42), transparent 52%),
    radial-gradient(120% 120% at 4% 98%, rgba(31, 201, 139, 0.40), transparent 52%),
    linear-gradient(120deg, #a7ecc6 0%, #a8bef1 62%, #c6ccf7 100%);
}

.page-hero::before {
  right: -6vw;
  top: -18vh;
  width: 40vw;
  height: 44vh;
  background: radial-gradient(circle at 40% 40%, rgba(74, 91, 240, 0.5), transparent 70%);
}

.page-hero::after {
  right: 8vw;
  bottom: -30vh;
  width: 34vw;
  height: 54vh;
  background: radial-gradient(circle at 50% 40%, rgba(31, 201, 139, 0.55), transparent 70%);
}

.page-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(300px, 0.56fr);
  gap: 50px;
  align-items: center;
}

.aigc-hero-grid {
  width: min(100%, 1260px);
  grid-template-columns: minmax(690px, 1fr) minmax(360px, 465px);
  gap: 38px;
}

.page-hero h1 {
  margin-bottom: 22px;
  color: #ffffff;
  font-size: clamp(40px, 6vw, 82px);
  text-shadow: 0 10px 36px rgba(30, 44, 96, 0.26);
}

.page-hero p {
  color: rgba(28, 32, 48, 0.84);
  font-size: 18px;
  line-height: 1.8;
}

.hero-fact {
  position: relative;
  padding: 32px;
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid rgba(255, 255, 255, 0.9);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.hero-fact strong {
  display: block;
  color: var(--blue);
  font-size: clamp(46px, 6vw, 78px);
  line-height: 1;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.hero-fact span {
  display: block;
  margin-top: 12px;
  color: var(--muted);
  line-height: 1.65;
}

.hero-video-cases {
  position: relative;
  padding: 22px;
  overflow: hidden;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.94), rgba(246, 249, 255, 0.82)),
    radial-gradient(120% 86% at 100% 0%, rgba(74, 91, 240, 0.14), transparent 62%);
  border: 1px solid rgba(255, 255, 255, 0.82);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.hero-video-cases::after {
  position: absolute;
  inset: 0;
  content: "";
  pointer-events: none;
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.24) 0px, rgba(255, 255, 255, 0.24) 1px, transparent 1px, transparent 100%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.18) 0px, rgba(255, 255, 255, 0.18) 1px, transparent 1px, transparent 100%);
  background-size: 34px 34px;
  mask-image: linear-gradient(135deg, rgba(0, 0, 0, 0.78), transparent 70%);
  -webkit-mask-image: linear-gradient(135deg, rgba(0, 0, 0, 0.78), transparent 70%);
}

.hero-video-head {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 16px;
}

.hero-video-head span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero-video-head strong {
  color: var(--ink);
  font-size: 18px;
  line-height: 1.2;
  font-weight: 800;
}

.hero-media-wall {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  gap: 12px;
}

.hero-media-card {
  position: relative;
  min-height: 154px;
  margin: 0;
  overflow: hidden;
  color: #ffffff;
  background: #151820;
  border: 1px solid rgba(255, 255, 255, 0.50);
  border-radius: var(--radius-sm);
  box-shadow: 0 16px 34px rgba(36, 48, 110, 0.16);
  opacity: 0;
  transform: translateY(18px) scale(0.97);
  transition: opacity 760ms var(--ease-out), transform 940ms var(--ease-out);
  will-change: opacity, transform;
}

.hero-media-card.is-featured {
  grid-row: span 2;
  min-height: 320px;
}

.hero-media-card video,
.hero-media-card img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-media-card:nth-child(2) img {
  object-position: 40% 36%;
}

.hero-media-card::after {
  position: absolute;
  inset: 0;
  z-index: 1;
  content: "";
  pointer-events: none;
  background:
    linear-gradient(180deg, rgba(14, 17, 27, 0.02) 0%, rgba(14, 17, 27, 0.08) 42%, rgba(14, 17, 27, 0.72) 100%),
    linear-gradient(90deg, rgba(14, 17, 27, 0.28), transparent 52%);
}

.hero-media-card figcaption {
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 14px;
  z-index: 2;
}

.hero-media-card figcaption span {
  display: inline-flex;
  align-items: center;
  min-height: 25px;
  margin-bottom: 9px;
  padding: 0 10px;
  color: rgba(255, 255, 255, 0.92);
  background: rgba(255, 255, 255, 0.18);
  border: 1px solid rgba(255, 255, 255, 0.38);
  border-radius: 999px;
  font-size: 11px;
  font-weight: 800;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}

.hero-media-card figcaption strong {
  display: block;
  font-size: 17px;
  line-height: 1.24;
  font-weight: 800;
  text-shadow: 0 2px 14px rgba(0, 0, 0, 0.32);
}

.hero-video-cases.is-visible .hero-media-card {
  opacity: 1;
  transform: none;
}

.hero-video-cases.is-visible .hero-media-card:nth-child(1) { transition-delay: 140ms; }
.hero-video-cases.is-visible .hero-media-card:nth-child(2) { transition-delay: 260ms; }
.hero-video-cases.is-visible .hero-media-card:nth-child(3) { transition-delay: 380ms; }

.hero-video-tags {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}

.hero-video-tags span {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 0 12px;
  color: var(--blue-ink);
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid rgba(74, 91, 240, 0.16);
  border-radius: 999px;
  font-size: 12.5px;
  font-weight: 800;
  box-shadow: var(--shadow-xs);
}

/* ---------------------------------------------------------------- Lists */
.split-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin-top: 26px;
}

.split-list .card {
  padding: 24px;
}

.split-list .card h3 {
  font-size: 19px;
}

.story-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 20px;
}

.story-card {
  position: relative;
  padding: 28px 26px;
  background: #ffffff;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  transition: transform 240ms var(--ease), box-shadow 240ms var(--ease);
}

.story-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow);
}

.story-card strong {
  display: inline-block;
  margin-bottom: 12px;
  color: var(--blue);
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.story-card strong::before {
  content: "";
  display: block;
  width: 34px;
  height: 4px;
  margin-bottom: 16px;
  background: var(--grad-brand);
  border-radius: 999px;
}

.timeline {
  display: grid;
  gap: 16px;
}

.timeline-item {
  position: relative;
  display: grid;
  grid-template-columns: 116px minmax(0, 1fr);
  gap: 22px;
  align-items: center;
  padding: 24px 26px;
  background: #ffffff;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  transition: transform 240ms var(--ease), box-shadow 240ms var(--ease);
}

.timeline-item:hover {
  transform: translateX(4px);
  box-shadow: var(--shadow);
}

.timeline-item strong {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 0 6px;
  color: var(--blue-ink);
  background: linear-gradient(135deg, rgba(31, 201, 139, 0.16), rgba(74, 91, 240, 0.14));
  border-radius: 999px;
  font-size: 17px;
  font-weight: 800;
}

.timeline-item p {
  margin: 0;
  color: var(--muted);
  line-height: 1.7;
}

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

.team-grid .card-number {
  width: auto;
  min-width: 74px;
  padding: 0 18px;
  border-radius: 999px;
  font-size: 17px;
  letter-spacing: 0.02em;
}

/* ---------------------------------------------------------------- Contact */
.contact-panel {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  padding: 48px 52px;
  overflow: hidden;
  color: #ffffff;
  background:
    radial-gradient(120% 160% at 88% 10%, rgba(74, 91, 240, 0.55), transparent 60%),
    radial-gradient(90% 130% at 6% 100%, rgba(31, 201, 139, 0.4), transparent 60%),
    linear-gradient(120deg, #171a2b, #232a52);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

.contact-panel h2 {
  margin-bottom: 12px;
  font-size: clamp(28px, 4vw, 46px);
  font-weight: 800;
  letter-spacing: -0.02em;
}

.contact-panel p {
  max-width: 520px;
  margin-bottom: 0;
  color: rgba(255, 255, 255, 0.76);
  line-height: 1.7;
}

.contact-panel .button {
  color: var(--ink);
  background: #ffffff;
  border-color: transparent;
  white-space: nowrap;
}

.contact-panel .button:hover {
  color: var(--blue);
  background: #ffffff;
  transform: translateY(-2px);
}

/* ---------------------------------------------------------------- Footer */
.site-footer {
  padding: 64px 6vw 44px;
  color: #ffffff;
  background: #0b0d16;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 44px;
  width: min(100%, var(--max));
  margin: 0 auto;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.footer-brand img {
  width: 40px;
  height: 40px;
  padding: 4px;
  border-radius: 50%;
  background: radial-gradient(circle at 50% 35%, #ffffff, var(--mint));
}

.site-footer p,
.site-footer a {
  color: rgba(255, 255, 255, 0.64);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  align-content: flex-start;
  gap: 10px 22px;
}

.footer-links a {
  position: relative;
  font-weight: 600;
  transition: color 180ms var(--ease);
}

.footer-links a:hover {
  color: #ffffff;
}

/* ---------------------------------------------------------------- Reveal */
.reveal {
  opacity: 0;
  transform: translateY(24px) scale(0.99);
  transition: opacity 820ms var(--ease-out), transform 820ms var(--ease-out);
  will-change: opacity, transform;
}

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

.reveal.reveal-fly-left {
  transform: translateX(-64px) translateY(10px) scale(0.985);
  transition-duration: 1100ms;
}

.reveal.reveal-fly-left.is-visible {
  transform: none;
}

.channel-card .viz-chan {
  opacity: 0;
  transform: translateX(-28px);
  transition: opacity 760ms var(--ease-out), transform 980ms var(--ease-out), box-shadow 220ms var(--ease);
}

.channel-card.is-visible .viz-chan {
  opacity: 1;
  transform: none;
}

.channel-card.is-visible .viz-chan:nth-child(2) { transition-delay: 280ms; }
.channel-card.is-visible .viz-chan:nth-child(3) { transition-delay: 400ms; }
.channel-card.is-visible .viz-chan:nth-child(4) { transition-delay: 520ms; }

.process-copy .timeline-item {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 860ms var(--ease-out), transform 960ms var(--ease-out), box-shadow 240ms var(--ease);
  will-change: opacity, transform;
}

.process-copy.is-visible .timeline-item {
  opacity: 1;
  transform: none;
}

.process-copy.is-visible .timeline-item:nth-child(1) { transition-delay: 180ms; }
.process-copy.is-visible .timeline-item:nth-child(2) { transition-delay: 340ms; }
.process-copy.is-visible .timeline-item:nth-child(3) { transition-delay: 500ms; }

@keyframes chart-bar-shine {
  from { transform: translateY(120%); }
  to { transform: translateY(-120%); }
}

@keyframes tile-loader {
  from { background-position: 150% 0; }
  to { background-position: -70% 0; }
}

@keyframes tile-play-pulse {
  0%,
  100% {
    box-shadow: 0 0 0 0 rgba(255, 255, 255, 0.26);
    transform: translate(-50%, -50%) scale(1);
  }
  48% {
    box-shadow: 0 0 0 12px rgba(255, 255, 255, 0);
    transform: translate(-50%, -50%) scale(1.06);
  }
}

@keyframes panel-sheen {
  from { transform: translateX(-125%); }
  to { transform: translateX(125%); }
}

@keyframes stage-badge-pop {
  from {
    opacity: 0.5;
    transform: scale(0.82);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .viz-bars i,
  .channel-card .viz-chan,
  .hero-media-card,
  .content-matrix-card .viz-tile,
  .process-visual .viz-stage,
  .process-copy .timeline-item {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .mascot-float,
  .next-hint::after,
  .viz-bars i::after,
  .content-matrix-card .viz-tile::before,
  .content-matrix-card .viz-tile i::after,
  .process-visual::after,
  .process-visual .viz-stage > span {
    animation: none !important;
  }

  html {
    scroll-behavior: auto;
    scroll-snap-type: none;
    scroll-padding-top: 0;
  }
}

/* ---------------------------------------------------------------- Responsive */
@media (max-width: 1020px) {
  .site-header {
    padding: 0 4vw;
  }

  .site-nav {
    gap: 18px;
    font-size: 14px;
  }

  .phone-link {
    display: none;
  }

  .hero-grid,
  .page-hero-grid,
  .feature-grid,
  .feature-grid.is-reverse {
    grid-template-columns: 1fr;
  }

  .hero-panel {
    min-height: auto;
  }

  .metric-stack {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    margin-top: 8px;
  }

  .card-grid,
  .story-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .band {
    padding: 88px 5vw;
  }
}

@media (max-width: 1180px) {
  .aigc-hero-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  .site-header {
    min-height: 64px;
  }

  .menu-toggle {
    display: block;
  }

  .site-nav {
    position: fixed;
    top: 64px;
    right: 0;
    bottom: 0;
    z-index: 60;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    width: min(86vw, 360px);
    height: calc(100svh - 64px);
    gap: 0;
    padding: 22px;
    overflow-y: auto;
    background: #ffffff;
    border-left: 1px solid var(--line);
    box-shadow: -20px 0 60px rgba(17, 19, 26, 0.16);
    transform: translateX(105%);
    visibility: hidden;
    pointer-events: none;
    transition: transform 240ms var(--ease);
  }

  body.nav-open .site-nav {
    transform: translateX(0);
    visibility: visible;
    pointer-events: auto;
  }

  .site-nav a {
    padding: 18px 8px;
    border-bottom: 1px solid var(--line-soft);
    font-size: 18px;
  }

  .site-nav a.is-active::after {
    left: -8px;
    right: auto;
    bottom: 14px;
    width: 4px;
    height: 26px;
  }

  .hero,
  .page-hero {
    padding: 60px 6vw 64px;
  }

  .hero {
    min-height: auto;
  }

  h1 {
    font-size: clamp(54px, 19vw, 96px);
  }

  .hero-lede {
    font-size: 26px;
  }

  .hero-copy,
  .page-hero p,
  .copy-block p {
    font-size: 16px;
  }

  .page-hero h1,
  .page-hero p {
    max-width: 100%;
    overflow-wrap: anywhere;
  }

  .card-grid,
  .case-grid,
  .split-list,
  .story-grid,
  .team-grid,
  .stat-row {
    grid-template-columns: 1fr;
  }

  .metric-stack {
    grid-template-columns: 1fr;
    gap: 12px;
    margin-top: 4px;
  }

  .metric {
    display: flex;
    align-items: baseline;
    gap: 14px;
    padding: 16px 18px;
  }

  .metric strong {
    margin-bottom: 0;
    font-size: 30px;
  }

  .metric span {
    font-size: 13.5px;
  }

  .hero-panel .mascot-float {
    top: -8px;
    width: 76px;
    height: 76px;
  }

  .section-head {
    display: block;
  }

  .section-head p {
    margin-top: 20px;
  }

  .band {
    padding: 72px 6vw;
  }

  .viz-frame,
  .flow-visual,
  .hero-video-cases {
    padding: 18px;
  }

  .hero-video-head {
    display: block;
  }

  .hero-video-head strong {
    display: block;
    margin-top: 4px;
  }

  .hero-media-wall {
    grid-template-columns: 1fr;
  }

  .hero-media-card,
  .hero-media-card.is-featured {
    min-height: 214px;
    grid-row: auto;
  }

  .viz-metrics {
    gap: 8px;
  }

  .viz-metrics strong {
    font-size: 18px;
  }

  .viz-dash-grid {
    grid-template-columns: 108px 1fr;
    gap: 10px;
  }

  .case-kpi {
    font-size: 40px;
  }

  .stat-row {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 8px;
  }

  .stat strong {
    font-size: 19px;
  }

  .timeline-item {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .timeline-item strong {
    justify-self: start;
    padding: 0 18px;
  }

  .contact-panel {
    flex-direction: column;
    align-items: flex-start;
    padding: 34px 28px;
  }

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

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