/* =========================================================
   Intelligence Designed To Evolve
   1. tokens + base
   2. hero viewport (video, header, headline, stats)
   3. mobile menu
   4. motion
   5. section primitives
   6. sections (marquee, mosaic, core, steps, code, cases,
      pricing, faq, cta, footer)
   7. responsive + reduced motion
   ========================================================= */

@font-face {
  font-family: "Geist Pixel Circle";
  src: url("fonts/GeistPixel-Circle.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

/* ---------------- 1. tokens + base ---------------- */

:root {
  --bg: #000000;
  --text: #ffffff;
  --muted: #8e8e8e;
  --nav-text: #2e2e2e;
  --pill-dark: #28282a;
  --sign-in-text: #c8c8c8;
  --nav-shadow: 0 4px 14px rgba(0, 0, 0, 0.16);
  --trust-bg: #28282a;
  --trust-border: rgba(255, 255, 255, 0.4);
  --trust-text: #c4c2c3;
  --font-sans: "Inter", "Segoe UI", system-ui, sans-serif;
  --font-display: "BubbledotICG-FinePos", "Geist Pixel Circle", monospace;
  --font-mono: ui-monospace, "SFMono-Regular", "Cascadia Mono", Consolas, monospace;

  --pad-x: clamp(14px, 3vw, 32px);
  --pad-y: clamp(16px, 2.4vh, 28px);
  --header-h: clamp(44px, 5.2vw, 48px);

  --soft: #d0d0d0;
  --line: rgba(255, 255, 255, 0.1);
  --line-strong: rgba(255, 255, 255, 0.22);
  --surface: rgba(255, 255, 255, 0.04);
  --surface-2: rgba(255, 255, 255, 0.07);
}

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

html,
body {
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  background: var(--bg);
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

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

img {
  max-width: 100%;
}

section[id] {
  scroll-margin-top: calc(var(--header-h) + var(--pad-y) + 14px);
}

::selection {
  background: rgba(255, 255, 255, 0.85);
  color: #000000;
}

::-webkit-scrollbar {
  width: 10px;
}

::-webkit-scrollbar-track {
  background: #000000;
}

::-webkit-scrollbar-thumb {
  background: #232325;
  border-radius: 999px;
  border: 3px solid #000000;
}

::-webkit-scrollbar-thumb:hover {
  background: #33333a;
}

/* ---------------- 2. hero viewport ---------------- */

.hero-shell {
  position: relative;
  height: 100vh;
  height: 100dvh;
  overflow: hidden;
}

.bg {
  position: absolute;
  inset: 0;
  background: #000000;
  overflow: hidden;
}

.bg-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  pointer-events: none;
  z-index: 0;
}

.page {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  height: 100%;
  padding: calc(var(--pad-y) + var(--header-h)) var(--pad-x) var(--pad-y);
  overflow: hidden;
}

/* header (floats over the whole document) */
.header {
  position: fixed;
  top: var(--pad-y);
  left: 0;
  right: 0;
  z-index: 40;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(18px, 2.8vw, 28px);
  width: min(720px, calc(100% - 2 * var(--pad-x)));
  margin: 0 auto;
  animation: slideDown 0.7s cubic-bezier(0.22, 1, 0.36, 1) both;
}

.logo {
  flex-shrink: 0;
  width: clamp(48px, 5.4vw, 58px);
  height: clamp(48px, 5.4vw, 58px);
  display: grid;
  place-items: center;
  background: transparent;
  transition: transform 0.25s cubic-bezier(0.22, 1, 0.36, 1);
}

.logo img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

.logo:hover {
  transform: scale(1.04);
}

.nav {
  flex: 1;
  max-width: 430px;
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-around;
  padding: 4px 8px;
  background: #ffffff;
  border-radius: 999px;
  box-shadow: var(--nav-shadow);
}

.nav-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  height: 100%;
  padding: 0 clamp(6px, 1vw, 10px);
  color: var(--nav-text);
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: clamp(13px, 1.4vw, 15px);
  letter-spacing: -0.01em;
  line-height: 1;
  white-space: nowrap;
  opacity: 0.5;
  transition: opacity 0.2s ease;
}

.nav-link:hover {
  opacity: 0.75;
}

.nav-link.is-active {
  opacity: 1;
}

.nav-link.is-active::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 5px;
  width: 3px;
  height: 3px;
  margin-left: -1.5px;
  background: #000000;
  border-radius: 50%;
  box-shadow: -5px 0 0 #000000, 5px 0 0 #000000;
}

.sign-in {
  flex-shrink: 0;
  height: var(--header-h);
  display: inline-flex;
  align-items: center;
  padding: 0 clamp(16px, 2.1vw, 22px);
  background: var(--pill-dark);
  color: var(--sign-in-text);
  border-radius: 999px;
  box-shadow: var(--nav-shadow);
  font-weight: 500;
  font-size: clamp(13px, 1.4vw, 15px);
  letter-spacing: -0.01em;
  white-space: nowrap;
  transition: background 0.25s ease, color 0.25s ease, transform 0.25s ease;
}

.sign-in:hover {
  background: #323234;
  color: #ffffff;
  transform: translateY(-1px);
}

.burger {
  display: none;
  position: relative;
  width: 48px;
  height: 48px;
  flex-shrink: 0;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: var(--pill-dark);
  box-shadow: var(--nav-shadow);
  cursor: pointer;
  transition: background 0.28s ease;
  -webkit-tap-highlight-color: transparent;
}

.burger .bar {
  display: block;
  width: 18px;
  height: 1.5px;
  border-radius: 2px;
  background: #ffffff;
  transition: transform 0.3s cubic-bezier(0.22, 1, 0.36, 1),
    opacity 0.2s ease, background 0.28s ease;
}

.burger[aria-expanded="true"] {
  background: #ffffff;
}

.burger[aria-expanded="true"] .bar {
  background: #111111;
}

.burger[aria-expanded="true"] .bar:nth-child(1) {
  transform: translateY(6.5px) rotate(45deg);
}

.burger[aria-expanded="true"] .bar:nth-child(2) {
  opacity: 0;
}

.burger[aria-expanded="true"] .bar:nth-child(3) {
  transform: translateY(-6.5px) rotate(-45deg);
}

/* hero */
.hero {
  position: relative;
  z-index: 1;
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 100%;
  max-width: 900px;
  text-align: center;
}

.trust {
  --trust-size: clamp(36px, 4.5vw, 42px);
  display: inline-flex;
  align-items: center;
  margin-bottom: clamp(16px, 2.5vh, 26px);
}

.trust-avatars {
  display: inline-flex;
  align-items: center;
}

.avatar {
  position: relative;
  width: var(--trust-size);
  height: var(--trust-size);
  padding: 5px;
  display: grid;
  place-items: center;
  background: var(--trust-bg);
  border: 1px solid var(--trust-border);
  border-radius: 50%;
  transition: transform 0.35s cubic-bezier(0.22, 1, 0.36, 1);
}

.avatar-inner {
  width: 100%;
  height: 100%;
  display: grid;
  place-items: center;
  background: #ffffff;
  border-radius: 50%;
  color: #111111;
  font-size: calc(var(--trust-size) * 0.34);
  line-height: 1;
}

.avatar-inner svg {
  width: calc(var(--trust-size) * 0.36);
  height: calc(var(--trust-size) * 0.36);
}

.avatar.a1 {
  z-index: 1;
}

.avatar.a2 {
  z-index: 2;
  margin-left: calc(var(--trust-size) * -0.42);
}

.avatar.a3 {
  z-index: 4;
  margin-left: calc(var(--trust-size) * -0.42);
}

.trust:hover .avatar.a1 {
  transform: translateY(-2px);
}

.trust:hover .avatar.a2 {
  transform: translateY(-4px);
}

.trust:hover .avatar.a3 {
  transform: translateY(-2px);
}

.trust-pill {
  position: relative;
  z-index: 3;
  height: var(--trust-size);
  display: inline-flex;
  align-items: center;
  margin-left: calc(var(--trust-size) * -0.42);
  padding-left: calc(var(--trust-size) * 0.58);
  padding-right: clamp(12px, 1.6vw, 16px);
  background: var(--trust-bg);
  border: 1px solid var(--trust-border);
  border-radius: 999px;
  color: var(--trust-text);
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: clamp(12px, 1.4vw, 13.5px);
  letter-spacing: -0.01em;
  white-space: nowrap;
}

.headline {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(28px, 6.2vw, 80px);
  line-height: 1.12;
  letter-spacing: -0.04em;
  color: #ffffff;
}

.headline.anim {
  opacity: 1;
  transform: none;
  filter: none;
  animation: none;
}

.headline .line {
  display: block;
  white-space: nowrap;
  overflow: hidden;
  opacity: 0;
  transform: translateY(14px);
  animation: headlineFade 0.85s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

.headline .line-1 {
  animation-delay: 0.12s;
}

.headline .line-2 {
  animation-delay: 0.3s;
}

.subhead {
  max-width: min(500px, 92%);
  margin: clamp(14px, 2vh, 20px) auto 0;
  color: #d0d0d0;
  opacity: 0.8;
  font-family: var(--font-sans);
  font-weight: 400;
  font-size: clamp(calc(13.5px + 2pt), calc(1.55vw + 2pt), calc(16.5px + 2pt));
  line-height: 1.55;
}

/* settles at opacity .8, not 1 */
.subhead.anim {
  animation-name: revealSoft;
}

.cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-top: clamp(18px, 2.8vh, 28px);
  padding: clamp(11px, 1.6vh, 13px) clamp(22px, 3vw, 28px);
  background: #ffffff;
  color: #000000;
  border-radius: 999px;
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: clamp(13.5px, 1.5vw, 14.5px);
  letter-spacing: -0.01em;
  white-space: nowrap;
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.15),
    0 0 22px rgba(255, 255, 255, 0.32), 0 0 44px rgba(255, 255, 255, 0.12);
  transition: transform 0.28s cubic-bezier(0.22, 1, 0.36, 1),
    box-shadow 0.28s ease;
}

.cta:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.22),
    0 0 30px rgba(255, 255, 255, 0.45), 0 0 60px rgba(255, 255, 255, 0.2);
}

.cta.anim {
  animation-name: revealPulse;
}

/* stats */
.stats {
  position: relative;
  z-index: 1;
  flex-shrink: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(12px, 2.4vw, 28px);
  width: 100%;
  max-width: 920px;
  margin: 0 auto;
  padding-top: clamp(10px, 2vh, 18px);
}

.stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: clamp(4px, 0.8vh, 8px);
  text-align: center;
}

.stat-icon {
  font-family: var(--font-display);
  font-size: clamp(22px, 3vw, 33px);
  line-height: 1;
  color: #ffffff;
}

.stat-value {
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: clamp(18px, 2.2vw, 26px);
  letter-spacing: -0.025em;
  line-height: 1.1;
  color: #ffffff;
  font-variant-numeric: tabular-nums;
  font-feature-settings: "tnum" 1;
}

.stat-label {
  font-family: var(--font-sans);
  font-weight: 400;
  font-size: clamp(11px, 1.2vw, 12.5px);
  letter-spacing: -0.01em;
  color: var(--muted);
}

/* ---------------- 3. mobile menu ---------------- */

.menu-overlay {
  position: fixed;
  inset: 0;
  z-index: 30;
  background: rgba(0, 0, 0, 0.62);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  animation: overlayIn 0.28s ease both;
}

.menu-overlay[hidden],
.mobile-menu[hidden] {
  display: none;
}

.mobile-menu {
  position: fixed;
  z-index: 31;
  top: calc(var(--pad-y) + 48px + 12px);
  left: 0;
  right: 0;
  width: min(420px, calc(100% - 28px));
  margin: 0 auto;
  padding: 22px 18px 20px;
  background: #ffffff;
  border-radius: 28px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.45);
  animation: menuIn 0.38s cubic-bezier(0.22, 1, 0.36, 1) both;
}

.mobile-nav {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.m-link {
  position: relative;
  display: block;
  padding: 14px 10px 16px;
  text-align: center;
  color: var(--nav-text);
  font-weight: 500;
  font-size: 16px;
  letter-spacing: -0.01em;
  opacity: 0.5;
  animation: linkIn 0.4s cubic-bezier(0.22, 1, 0.36, 1) both;
  animation-delay: calc(0.06s + var(--i) * 0.05s);
}

.m-link:hover {
  opacity: 0.75;
}

.m-link.is-active {
  opacity: 1;
}

.m-link.is-active::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 8px;
  width: 3px;
  height: 3px;
  margin-left: -1.5px;
  background: #000000;
  border-radius: 50%;
  box-shadow: -5px 0 0 #000000, 5px 0 0 #000000;
}

.m-signin {
  display: block;
  width: 100%;
  margin-top: 10px;
  padding: 15px 10px;
  text-align: center;
  background: var(--pill-dark);
  color: var(--sign-in-text);
  border-radius: 999px;
  font-weight: 500;
  font-size: 15px;
  letter-spacing: -0.01em;
  animation: linkIn 0.4s cubic-bezier(0.22, 1, 0.36, 1) both;
  animation-delay: calc(0.06s + var(--i) * 0.05s);
  transition: background 0.25s ease, color 0.25s ease;
}

.m-signin:hover {
  background: #323234;
  color: #ffffff;
}

body.menu-open {
  overflow: hidden;
}

/* ---------------- 4. motion ---------------- */

.anim {
  opacity: 0;
  transform: translateY(22px) scale(0.98);
  filter: blur(6px);
  animation: reveal 0.85s cubic-bezier(0.22, 1, 0.36, 1) forwards;
  animation-delay: var(--d, 0s);
}

/* scroll-triggered variant for everything below the fold */
.rise {
  opacity: 0;
  transform: translateY(26px);
  filter: blur(6px);
  transition: opacity 0.85s cubic-bezier(0.22, 1, 0.36, 1),
    transform 0.85s cubic-bezier(0.22, 1, 0.36, 1),
    filter 0.85s cubic-bezier(0.22, 1, 0.36, 1);
  transition-delay: var(--d, 0s);
  will-change: opacity, transform;
}

.rise.is-in {
  opacity: 1;
  transform: none;
  filter: none;
}

@keyframes reveal {
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
    filter: blur(0);
  }
}

@keyframes revealSoft {
  to {
    opacity: 0.8;
    transform: translateY(0) scale(1);
    filter: blur(0);
  }
}

@keyframes revealPulse {
  0% {
    opacity: 0;
    transform: translateY(22px) scale(0.98);
    filter: blur(6px);
  }
  70% {
    opacity: 1;
    transform: translateY(0) scale(1.03);
    filter: blur(0);
  }
  100% {
    opacity: 1;
    transform: translateY(0) scale(1);
    filter: blur(0);
  }
}

@keyframes headlineFade {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-18px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes overlayIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes menuIn {
  from {
    opacity: 0;
    transform: translateY(-12px) scale(0.97);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@keyframes linkIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes marquee {
  to {
    transform: translateX(-50%);
  }
}

/* ---------------- 5. section primitives ---------------- */

.section {
  position: relative;
  padding: clamp(72px, 11vh, 130px) var(--pad-x);
}

.section--tight {
  padding-top: clamp(34px, 6vh, 64px);
  padding-bottom: clamp(34px, 6vh, 64px);
}

.section--alt {
  background:
    radial-gradient(120% 70% at 50% 0%, rgba(255, 255, 255, 0.05), transparent 62%),
    #000000;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.container {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
}

.container--narrow {
  max-width: 780px;
}

.section-head {
  max-width: 720px;
  margin: 0 auto clamp(38px, 5vh, 60px);
  text-align: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  height: 30px;
  padding: 0 14px;
  background: var(--trust-bg);
  border: 1px solid var(--trust-border);
  border-radius: 999px;
  color: var(--trust-text);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.section-title {
  margin: clamp(16px, 2.4vh, 22px) 0 0;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(26px, 4.4vw, 52px);
  line-height: 1.18;
  letter-spacing: -0.04em;
  color: #ffffff;
}

.section-title--left {
  text-align: left;
}

.section-lead {
  max-width: 560px;
  margin: clamp(12px, 1.8vh, 18px) auto 0;
  color: var(--soft);
  opacity: 0.8;
  font-size: clamp(14.5px, 1.35vw, 16.5px);
  line-height: 1.6;
}

.section-lead--left {
  margin-left: 0;
  text-align: left;
}

.grid {
  display: grid;
  gap: clamp(14px, 1.8vw, 22px);
}

.grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

.card {
  position: relative;
  padding: clamp(20px, 2.4vw, 28px);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.055), rgba(255, 255, 255, 0.02));
  border: 1px solid var(--line);
  border-radius: 22px;
  transition: transform 0.4s cubic-bezier(0.22, 1, 0.36, 1),
    border-color 0.3s ease, background 0.3s ease;
}

.card:hover {
  transform: translateY(-4px);
  border-color: var(--line-strong);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.03));
}

.card-glyph {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  margin-bottom: 18px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--line);
  border-radius: 14px;
  font-family: var(--font-display);
  font-size: 20px;
  line-height: 1;
  color: #ffffff;
}

.card-title {
  margin: 0 0 8px;
  font-size: clamp(15.5px, 1.4vw, 17px);
  font-weight: 600;
  letter-spacing: -0.015em;
  color: #ffffff;
}

.card-copy {
  margin: 0;
  font-size: clamp(13.5px, 1.2vw, 14.5px);
  line-height: 1.6;
  color: var(--muted);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 13px 26px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 14px;
  letter-spacing: -0.01em;
  white-space: nowrap;
  transition: transform 0.28s cubic-bezier(0.22, 1, 0.36, 1),
    background 0.25s ease, border-color 0.25s ease, box-shadow 0.28s ease,
    color 0.25s ease;
}

.btn-solid {
  background: #ffffff;
  color: #000000;
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.15);
}

.btn-solid:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.25), 0 0 26px rgba(255, 255, 255, 0.3);
}

.btn-glow {
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.15),
    0 0 22px rgba(255, 255, 255, 0.32), 0 0 44px rgba(255, 255, 255, 0.12);
}

.btn-ghost {
  background: transparent;
  color: #ffffff;
  border: 1px solid var(--line-strong);
}

.btn-ghost:hover {
  transform: translateY(-2px);
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.4);
}

.check-glyph {
  display: inline-grid;
  place-items: center;
  width: 18px;
  height: 18px;
  margin-right: 10px;
  flex-shrink: 0;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 50%;
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 500;
  line-height: 1;
  color: #ffffff;
}

/* ---------------- 6a. logo marquee ---------------- */

.marquee-caption {
  margin: 0 0 22px;
  text-align: center;
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #6d6d70;
}

.marquee {
  overflow: hidden;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent);
}

.marquee-track {
  display: flex;
  align-items: center;
  gap: clamp(34px, 5vw, 64px);
  width: max-content;
  animation: marquee 36s linear infinite;
}

.marquee:hover .marquee-track {
  animation-play-state: paused;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: clamp(14px, 1.4vw, 16px);
  font-weight: 500;
  letter-spacing: -0.015em;
  color: rgba(255, 255, 255, 0.42);
  white-space: nowrap;
  transition: color 0.3s ease;
}

.brand i {
  font-size: 1.15em;
}

.brand svg {
  width: 1em;
  height: 1em;
}

.brand:hover {
  color: rgba(255, 255, 255, 0.8);
}

/* ---------------- 6b. product mosaic ---------------- */

#overview .container {
  max-width: 1340px;
}

.stage {
  --u: min(calc((100vw - 2 * var(--pad-x)) / 1374), calc(1320px / 1374));
  width: calc(var(--u) * 1374);
  height: calc(var(--u) * 666);
  margin: 0 auto;
  display: grid;
  grid-template-columns: calc(var(--u) * 339) calc(var(--u) * 627) calc(var(--u) * 388);
  grid-template-rows: calc(var(--u) * 149) calc(var(--u) * 343) calc(var(--u) * 156);
  column-gap: calc(var(--u) * 10);
  row-gap: calc(var(--u) * 9);
}

.mcard {
  position: relative;
  overflow: hidden;
  border: calc(var(--u) * 1.6) solid rgba(255, 255, 255, 0.12);
  border-radius: calc(var(--u) * 22);
  box-shadow: 0 calc(var(--u) * 2) calc(var(--u) * 16) rgba(0, 0, 0, 0.5);
}

.notif {
  grid-column: 1;
  grid-row: 1;
  padding: calc(var(--u) * 37) calc(var(--u) * 12) 0 calc(var(--u) * 11);
  background:
    radial-gradient(120% 140% at 92% 100%, rgba(255, 150, 200, 0.16) 0%, rgba(255, 150, 200, 0) 62%),
    linear-gradient(135deg, rgba(249, 217, 233, 0.11) 0%, rgba(252, 230, 241, 0.05) 100%),
    #0b0b0d;
}

.connect {
  grid-column: 1;
  grid-row: 2 / span 2;
  padding: calc(var(--u) * 32) 0 0 calc(var(--u) * 20);
  background:
    linear-gradient(180deg, rgba(252, 253, 253, 0.07) 0%, rgba(206, 220, 228, 0.13) 100%),
    #0b0b0d;
}

.automate {
  grid-column: 2;
  grid-row: 1 / span 2;
  background:
    radial-gradient(90% 70% at 6% 0%, rgba(226, 236, 200, 0.18) 0%, rgba(226, 236, 200, 0) 70%),
    linear-gradient(168deg, rgba(226, 235, 201, 0.13) 0%, rgba(243, 245, 176, 0.07) 100%),
    #0b0b0d;
}

.insights {
  grid-column: 3;
  grid-row: 1 / span 2;
  display: flex;
  flex-direction: column;
  padding: calc(var(--u) * 29) calc(var(--u) * 25) calc(var(--u) * 23) calc(var(--u) * 21);
  background:
    radial-gradient(115% 70% at 22% 0%, rgba(253, 226, 197, 0.16) 0%, rgba(253, 242, 229, 0) 68%),
    linear-gradient(180deg, rgba(249, 241, 232, 0.06) 0%, rgba(247, 239, 230, 0.03) 100%),
    #0b0b0d;
}

.search {
  grid-column: 2 / span 2;
  grid-row: 3;
  display: flex;
  align-items: center;
  padding-left: calc(var(--u) * 46);
  padding-right: calc(var(--u) * 25);
  background:
    linear-gradient(103deg, rgba(234, 233, 245, 0.09) 0%, rgba(194, 192, 230, 0.15) 100%),
    #0b0b0d;
}

.mcard-title {
  margin: 0;
  font-size: calc(var(--u) * 23);
  font-weight: 800;
  line-height: 1.32;
  letter-spacing: -0.028em;
  color: #f6f6f7;
}

.connect .mcard-title {
  font-size: calc(var(--u) * 28);
  line-height: 1.1;
}

.mcard-title--lg {
  font-size: calc(var(--u) * 35);
  line-height: 1.32;
  letter-spacing: -0.03em;
}

.mcard-title .g,
.mcard-title--lg .g {
  color: #b9d98c;
}

.mcard-sub {
  margin: calc(var(--u) * 13) 0 0;
  font-size: calc(var(--u) * 17);
  line-height: 1.3;
  letter-spacing: -0.013em;
  color: #b6b6bb;
}

/* notification */
.toast-wrap {
  position: relative;
  height: calc(var(--u) * 70);
}

.toast-ledge {
  position: absolute;
  left: calc(var(--u) * 24);
  right: calc(var(--u) * 20);
  top: calc(var(--u) * 55);
  height: calc(var(--u) * 23);
  border-radius: calc(var(--u) * 14);
  background: linear-gradient(100deg, rgba(255, 255, 255, 0.14) 0%, rgba(255, 214, 214, 0.12) 100%);
}

.toast {
  position: absolute;
  inset: 0;
  height: calc(var(--u) * 70);
  display: flex;
  align-items: center;
  gap: calc(var(--u) * 11);
  padding: 0 calc(var(--u) * 12) 0 calc(var(--u) * 13);
  border-radius: calc(var(--u) * 16);
  background: linear-gradient(105deg, rgba(255, 255, 255, 0.13) 34%, rgba(253, 238, 229, 0.12) 100%);
  border: 1px solid rgba(255, 255, 255, 0.14);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: 0 calc(var(--u) * 3) calc(var(--u) * 10) rgba(0, 0, 0, 0.35);
}

.toast-spark {
  width: calc(var(--u) * 27);
  height: calc(var(--u) * 27);
  flex-shrink: 0;
}

.toast-title {
  margin: 0;
  font-size: calc(var(--u) * 11.2);
  font-weight: 800;
  letter-spacing: -0.012em;
  line-height: 1.1;
  color: #ffffff;
}

.toast-sub {
  margin: calc(var(--u) * 3.6) 0 0;
  max-width: calc(var(--u) * 118);
  font-size: calc(var(--u) * 10);
  line-height: 1.28;
  letter-spacing: -0.005em;
  color: #c6c6ca;
}

.toast-time {
  margin: calc(var(--u) * 12) 0 0;
  font-size: calc(var(--u) * 7.4);
  font-weight: 500;
  letter-spacing: 0.005em;
  color: #8b8489;
}

/* integrations */
.chips {
  position: absolute;
  left: calc(var(--u) * 11);
  right: calc(var(--u) * 16);
  bottom: calc(var(--u) * 13);
  display: flex;
  flex-direction: column;
  gap: calc(var(--u) * 8);
  z-index: 2;
}

.chip-row {
  display: flex;
  gap: calc(var(--u) * 14);
}

.chip-row.r2 {
  padding-left: calc(var(--u) * 10);
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: calc(var(--u) * 10);
  height: calc(var(--u) * 42);
  padding: 0 calc(var(--u) * 17);
  border-radius: 999px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.11) 0%, rgba(255, 255, 255, 0.06) 100%);
  box-shadow: 0 0 0 calc(var(--u) * 3) rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(7px);
  -webkit-backdrop-filter: blur(7px);
  font-size: calc(var(--u) * 18);
  font-weight: 500;
  letter-spacing: -0.018em;
  color: #f0f0f2;
  white-space: nowrap;
}

.chip i {
  font-size: calc(var(--u) * 21);
  line-height: 1;
  color: #ffffff;
}

.chip svg {
  width: calc(var(--u) * 21);
  height: calc(var(--u) * 21);
}

.chip-slack {
  position: absolute;
  right: calc(var(--u) * 6);
  bottom: calc(var(--u) * 124);
  transform: rotate(-20deg);
  z-index: 3;
  box-shadow: 0 0 0 calc(var(--u) * 3.2) rgba(255, 255, 255, 0.06);
}

/* automate */
.automate-copy {
  position: relative;
  z-index: 3;
  padding: calc(var(--u) * 37) 0 0 calc(var(--u) * 45);
}

.illo {
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
}

.win {
  position: absolute;
  overflow: hidden;
  border: calc(var(--u) * 3) solid #ffffff;
  border-radius: calc(var(--u) * 11);
  box-shadow: 0 calc(var(--u) * 12) calc(var(--u) * 28) rgba(0, 0, 0, 0.45);
}

.win-bar {
  height: calc(var(--u) * 13.4);
  display: flex;
  align-items: center;
  gap: calc(var(--u) * 4.6);
  padding-left: calc(var(--u) * 4.9);
  background: #242424;
}

.wd {
  width: calc(var(--u) * 6);
  height: calc(var(--u) * 6);
  border-radius: 50%;
  background: linear-gradient(150deg, #ffffff 0%, #f6f6f6 50%, #dcdcdc 100%);
}

.win-body {
  height: 100%;
  background: #e7ecc9;
}

.win-body--alt {
  background: #f4e8f7;
}

.win-strip {
  display: block;
  width: 23.7%;
  height: 100%;
  background: #bfd0ac;
}

.win-body--alt .win-strip {
  width: 16%;
  background: #e8d6fb;
}

.win-back {
  left: calc(var(--u) * 121.2);
  top: calc(var(--u) * 245.2);
  width: calc(var(--u) * 324);
  height: calc(var(--u) * 250);
  transform: rotate(-7.02deg);
}

.win-front {
  left: calc(var(--u) * 180.4);
  top: calc(var(--u) * 283.3);
  width: calc(var(--u) * 322);
  height: calc(var(--u) * 250);
  transform: rotate(4.23deg);
  border-bottom: 0;
  border-bottom-left-radius: 0;
  border-bottom-right-radius: 0;
  box-shadow: 0 calc(var(--u) * 14) calc(var(--u) * 32) rgba(0, 0, 0, 0.5);
}

.pill-wf {
  position: absolute;
  left: calc(var(--u) * 395);
  top: calc(var(--u) * 349);
  height: calc(var(--u) * 30);
  display: flex;
  align-items: center;
  gap: calc(var(--u) * 7);
  padding: 0 calc(var(--u) * 14) 0 calc(var(--u) * 6);
  border-radius: 999px;
  background: #ffffff;
  box-shadow: 0 0 0 calc(var(--u) * 2.8) rgba(0, 0, 0, 0.045),
    0 calc(var(--u) * 6) calc(var(--u) * 16) rgba(0, 0, 0, 0.3);
  transform: rotate(-1.2deg);
  font-size: calc(var(--u) * 11.5);
  font-weight: 600;
  letter-spacing: -0.014em;
  color: #151515;
  white-space: nowrap;
}

.tick {
  display: grid;
  place-items: center;
  width: calc(var(--u) * 20);
  height: calc(var(--u) * 20);
  border-radius: 50%;
  background: linear-gradient(145deg, #e6f3df 0%, #cfe0bd 47%, #b9cfa5 100%);
}

.tick svg {
  width: calc(var(--u) * 12);
  height: calc(var(--u) * 12);
}

.pill-ai {
  position: absolute;
  left: calc(var(--u) * 68);
  top: calc(var(--u) * 404);
  width: calc(var(--u) * 144);
  height: calc(var(--u) * 52);
  display: flex;
  align-items: center;
  gap: calc(var(--u) * 9);
  padding: 0 calc(var(--u) * 16);
  border-radius: calc(var(--u) * 10);
  background: #1a1a1c;
  box-shadow: 0 0 0 calc(var(--u) * 2.8) rgba(255, 255, 255, 0.06),
    0 calc(var(--u) * 6) calc(var(--u) * 16) rgba(0, 0, 0, 0.35);
  transform: rotate(-1deg);
}

.pill-ai svg {
  width: calc(var(--u) * 23);
  height: calc(var(--u) * 23);
  flex-shrink: 0;
}

.skel {
  display: flex;
  flex-direction: column;
  gap: calc(var(--u) * 8);
  flex: 1;
}

.skel i {
  display: block;
  height: calc(var(--u) * 6.5);
  border-radius: 99px;
  background: rgba(255, 255, 255, 0.28);
}

.skel i:last-child {
  width: 62%;
}

.cursor {
  position: absolute;
  left: calc(var(--u) * 490);
  top: calc(var(--u) * 454);
  width: calc(var(--u) * 30);
  height: calc(var(--u) * 35);
  filter: drop-shadow(0 calc(var(--u) * 3) calc(var(--u) * 6) rgba(0, 0, 0, 0.4));
}

/* insights */
.tag {
  align-self: flex-start;
  display: inline-flex;
  align-items: center;
  height: calc(var(--u) * 31);
  margin-left: calc(var(--u) * 4);
  padding: 0 calc(var(--u) * 17);
  border-radius: 999px;
  background: linear-gradient(100deg, rgba(255, 255, 255, 0.16) 18%, rgba(253, 234, 219, 0.14) 100%);
  border: 1px solid rgba(255, 255, 255, 0.22);
  font-size: calc(var(--u) * 12);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: #ffffff;
  white-space: nowrap;
}

.insights-num {
  margin: calc(var(--u) * 22) 0 0;
  font-size: calc(var(--u) * 37);
  font-weight: 800;
  letter-spacing: -0.035em;
  line-height: 1;
  color: #ffffff;
}

.insights .mcard-sub {
  margin-top: calc(var(--u) * 12);
  font-size: calc(var(--u) * 14.5);
  letter-spacing: -0.012em;
}

.chart {
  margin-top: auto;
  height: calc(var(--u) * 294);
  display: flex;
  align-items: flex-end;
  gap: calc(var(--u) * 13);
}

.col {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.bar {
  width: 100%;
  height: calc(var(--u) * var(--h));
  display: flex;
  justify-content: center;
  padding-top: calc(var(--u) * 9);
  border-radius: calc(var(--u) * 7);
  background: rgba(255, 255, 255, 0.09);
}

.bar em {
  font-style: normal;
  font-size: calc(var(--u) * 13);
  font-weight: 500;
  color: rgba(255, 255, 255, 0.55);
}

.bar--peak {
  background: linear-gradient(180deg, #f2b705 0%, #e7b208 26%, #a8a422 52%, #6a8f33 76%, #3d7a3e 100%);
  box-shadow: 0 calc(var(--u) * 4) calc(var(--u) * 12) rgba(150, 120, 20, 0.28);
}

.bar--peak em {
  color: #ffffff;
  font-weight: 600;
}

.day {
  margin-top: calc(var(--u) * 10);
  font-size: calc(var(--u) * 10.4);
  font-weight: 500;
  letter-spacing: 0.05em;
  color: #8d8579;
}

/* search */
.bar-search {
  margin-left: auto;
  width: calc(var(--u) * 612);
  max-width: 100%;
  height: calc(var(--u) * 64);
  display: flex;
  align-items: center;
  gap: calc(var(--u) * 16);
  padding: 0 calc(var(--u) * 22) 0 calc(var(--u) * 10);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.14);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: 0 calc(var(--u) * 4) calc(var(--u) * 14) rgba(0, 0, 0, 0.3);
}

.mag {
  display: grid;
  place-items: center;
  width: calc(var(--u) * 44);
  height: calc(var(--u) * 44);
  flex-shrink: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
}

.mag svg {
  width: calc(var(--u) * 20);
  height: calc(var(--u) * 20);
}

.qtext {
  flex: 1;
  font-size: calc(var(--u) * 16.5);
  letter-spacing: -0.015em;
  color: #9a9aa4;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.mic {
  width: calc(var(--u) * 16);
  height: calc(var(--u) * 20);
  flex-shrink: 0;
}

/* ---------------- 6c. core features ---------------- */

.c1-container {
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  text-align: center;
}

.c1-badge {
  margin: 0 0 16px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  background: linear-gradient(90deg, #f5c344, #f28482, #b567c2);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

.c1-title {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(26px, 4.4vw, 44px);
  letter-spacing: -0.04em;
  line-height: 1.18;
  color: #ffffff;
}

.c1-subtitle {
  margin: 0 0 50px;
  font-size: 1.125rem;
  line-height: 1.5;
  color: var(--muted);
}

.c1-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.c1-card {
  position: relative;
  height: 340px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 20px;
  text-align: left;
  background: #0b0b0d;
  box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.6);
  transition: transform 0.4s cubic-bezier(0.22, 1, 0.36, 1), border-color 0.3s ease;
}

.c1-card:hover {
  transform: translateY(-4px);
  border-color: var(--line-strong);
}

.c1-card h3 {
  position: relative;
  z-index: 2;
  margin: 0;
  padding: 24px;
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: -0.015em;
  color: #f1f1f3;
}

.c1-card-1 {
  background:
    radial-gradient(115% 62% at 50% 0%, rgba(255, 179, 71, 0.85) 0%, rgba(249, 237, 150, 0.34) 34%, rgba(255, 255, 255, 0.04) 62%, rgba(255, 255, 255, 0) 100%),
    #0b0b0d;
}

.c1-card-2 {
  background:
    radial-gradient(115% 62% at 50% 0%, rgba(229, 161, 245, 0.8) 0%, rgba(248, 172, 160, 0.32) 34%, rgba(255, 255, 255, 0.04) 62%, rgba(255, 255, 255, 0) 100%),
    #0b0b0d;
}

.c1-card-3 {
  background:
    radial-gradient(115% 62% at 50% 0%, rgba(249, 237, 150, 0.72) 0%, rgba(229, 161, 245, 0.4) 34%, rgba(255, 255, 255, 0.04) 62%, rgba(255, 255, 255, 0) 100%),
    #0b0b0d;
}

.c1-prompt {
  position: absolute;
  top: 30px;
  left: 24px;
  right: 24px;
  z-index: 2;
  padding: 16px;
  border-radius: 12px;
  background: rgba(12, 12, 14, 0.72);
  border: 1px solid rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  font-size: 0.8rem;
  line-height: 1.6;
  color: #b9b9be;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.35);
}

.c1-blur-text {
  font-weight: 600;
  background: linear-gradient(90deg, #ffb347, #e5a1f5);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

.c1-add-btn {
  position: absolute;
  top: 180px;
  left: 40px;
  z-index: 3;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 14px;
  border-radius: 20px;
  background: #ffffff;
  border: 1px solid #000000;
  font-size: 0.75rem;
  font-weight: 600;
  color: #1e293b;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
  white-space: nowrap;
}

.c1-star {
  color: #a855f7;
  font-size: 1rem;
  line-height: 1;
}

.c1-cursor {
  position: absolute;
  top: 205px;
  left: 110px;
  z-index: 10;
  filter: drop-shadow(0 4px 6px rgba(0, 0, 0, 0.4));
}

.c1-api-visual {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 70px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 24px;
}

.c1-network {
  width: 100%;
  height: 180px;
  object-fit: contain;
  margin-top: 20px;
}

.c1-mesh {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.16) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.16) 1px, transparent 1px);
  background-size: 16px 16px;
  -webkit-mask-image: radial-gradient(circle at center top, black 0%, transparent 80%);
  mask-image: radial-gradient(circle at center top, black 0%, transparent 80%);
}

.c1-folder {
  position: absolute;
  top: 50px;
  left: 50%;
  transform: translateX(-50%);
  width: 170px;
  filter: drop-shadow(0 15px 25px rgba(0, 0, 0, 0.35));
}

.c1-search {
  position: absolute;
  top: 220px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 18px;
  border-radius: 20px;
  background: #ffffff;
  border: 1px solid #000000;
  font-size: 0.75rem;
  font-weight: 500;
  color: #1e293b;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
  white-space: nowrap;
}

/* ---------------- 6d. steps ---------------- */

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(18px, 3vw, 40px);
  margin: 0;
  padding: 0;
  list-style: none;
}

.step {
  position: relative;
  padding-top: 28px;
  border-top: 1px solid var(--line);
}

.step-num {
  font-family: var(--font-display);
  font-size: clamp(22px, 2.6vw, 30px);
  color: #ffffff;
  opacity: 0.9;
}

.step-title {
  margin: 14px 0 8px;
  font-size: clamp(16px, 1.6vw, 19px);
  font-weight: 600;
  letter-spacing: -0.02em;
}

.step-copy {
  margin: 0;
  font-size: clamp(13.5px, 1.2vw, 14.5px);
  line-height: 1.6;
  color: var(--muted);
}

/* ---------------- 6e. developer split ---------------- */

.split {
  display: grid;
  grid-template-columns: 1fr 1.05fr;
  gap: clamp(24px, 4vw, 56px);
  align-items: center;
}

.split-copy .eyebrow {
  margin-bottom: 0;
}

.checks {
  margin: clamp(20px, 3vh, 28px) 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.checks li {
  display: flex;
  align-items: center;
  font-size: 14.5px;
  color: var(--soft);
  opacity: 0.85;
}

.split-copy .btn {
  margin-top: clamp(22px, 3vh, 30px);
}

.code-panel {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.015));
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.5);
}

.code-bar {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 14px 16px;
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.03);
}

.code-bar .dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.22);
}

.code-file {
  margin-left: 8px;
  font-size: 12px;
  letter-spacing: 0.02em;
  color: #6f6f74;
}

.code {
  margin: 0;
  padding: clamp(16px, 2vw, 24px);
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: clamp(11.5px, 1.05vw, 13px);
  line-height: 1.75;
  color: #c7c7cc;
  tab-size: 2;
}

.c-key {
  color: #ffffff;
  font-weight: 600;
}

.c-str {
  color: #b9d98c;
}

.c-fn {
  color: #e5c9f5;
}

.c-com {
  color: #6b6b70;
}

/* ---------------- 6f. agents + control ---------------- */

.agents-grid .card {
  padding: clamp(16px, 2vw, 22px);
}

.agent-head {
  display: flex;
  align-items: center;
  gap: 11px;
  margin-bottom: 10px;
}

.agent-glyph {
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  flex-shrink: 0;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--line);
  border-radius: 10px;
  font-family: var(--font-display);
  font-size: 15px;
  line-height: 1;
  color: #ffffff;
}

.agent-name {
  margin: 0;
  font-size: 15.5px;
  font-weight: 600;
  letter-spacing: -0.015em;
  color: #ffffff;
}

.agent-copy {
  margin: 0;
  font-size: 13.4px;
  line-height: 1.55;
  color: var(--muted);
}

.ledger {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.015));
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.5);
}

.ledger-bar {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 14px 16px;
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.03);
}

.ledger-bar .dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.22);
}

.ledger-rows {
  margin: 0;
  padding: 6px 0;
  list-style: none;
}

.ledger-rows li {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding: 13px clamp(16px, 2vw, 22px);
  font-size: 13.6px;
  color: var(--soft);
}

.ledger-rows li + li {
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.ledger-rows em {
  flex-shrink: 0;
  font-style: normal;
  font-size: 12.5px;
  letter-spacing: -0.005em;
  color: var(--muted);
}

.ledger-rows em.is-strict {
  padding: 3px 10px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.9);
  color: #0b0b0d;
  font-weight: 600;
  font-size: 11.5px;
}

/* ---------------- 6g. case studies ---------------- */

.case-metric {
  font-family: var(--font-sans);
  font-size: clamp(30px, 3.4vw, 40px);
  font-weight: 600;
  letter-spacing: -0.035em;
  line-height: 1;
  color: #ffffff;
  font-variant-numeric: tabular-nums;
}

.case-metric-label {
  margin: 10px 0 16px;
  font-size: 13px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--muted);
}

.case .card-copy {
  margin-bottom: 22px;
  color: var(--soft);
  opacity: 0.85;
}

.case {
  display: flex;
  flex-direction: column;
}

.case-by {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: auto;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  font-size: 12.5px;
  color: var(--muted);
  line-height: 1.5;
}

.case-by strong {
  display: block;
  font-size: 13.5px;
  font-weight: 600;
  color: #ffffff;
}

.case-avatar {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  flex-shrink: 0;
  border-radius: 50%;
  background: #ffffff;
  color: #111111;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: -0.02em;
}

/* ---------------- 6g. pricing ---------------- */

.plan {
  display: flex;
  flex-direction: column;
}

.plan-name {
  margin: 0;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--muted);
}

.plan-price {
  margin: 16px 0 0;
  display: flex;
  align-items: baseline;
  gap: 6px;
}

.plan-amount {
  font-size: clamp(30px, 3.4vw, 40px);
  font-weight: 600;
  letter-spacing: -0.04em;
  color: #ffffff;
}

.plan-period {
  font-size: 13.5px;
  color: var(--muted);
}

.plan-note {
  margin: 10px 0 0;
  font-size: 13.5px;
  color: var(--muted);
}

.plan-list {
  margin: 22px 0 28px;
  padding: 22px 0 0;
  border-top: 1px solid var(--line);
  list-style: none;
  display: grid;
  gap: 12px;
  font-size: 13.8px;
  color: var(--soft);
}

.plan-list li {
  display: flex;
  align-items: center;
}

.plan-cta {
  margin-top: auto;
  width: 100%;
}

.plan--featured {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.03));
  border-color: rgba(255, 255, 255, 0.28);
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.05), 0 0 60px rgba(255, 255, 255, 0.06);
}

.plan-badge {
  position: absolute;
  top: -11px;
  left: 50%;
  transform: translateX(-50%);
  padding: 5px 12px;
  border-radius: 999px;
  background: #ffffff;
  color: #000000;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.02em;
  white-space: nowrap;
}

/* ---------------- 6h. faq ---------------- */

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

.faq-item {
  border-bottom: 1px solid var(--line);
}

.faq-q {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 22px 4px;
  background: none;
  border: 0;
  color: #ffffff;
  font-family: var(--font-sans);
  font-size: clamp(14.5px, 1.5vw, 16.5px);
  font-weight: 500;
  letter-spacing: -0.015em;
  text-align: left;
  cursor: pointer;
  transition: color 0.25s ease;
}

.faq-q:hover {
  color: rgba(255, 255, 255, 0.75);
}

.faq-mark {
  flex-shrink: 0;
  display: grid;
  place-items: center;
  width: 26px;
  height: 26px;
  border: 1px solid var(--line);
  border-radius: 50%;
  font-family: var(--font-sans);
  font-size: 17px;
  font-weight: 400;
  line-height: 1;
  color: #ffffff;
  transition: transform 0.35s cubic-bezier(0.22, 1, 0.36, 1), background 0.25s ease;
}

.faq-q[aria-expanded="true"] .faq-mark {
  transform: rotate(135deg);
  background: rgba(255, 255, 255, 0.1);
}

.faq-a {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.38s cubic-bezier(0.22, 1, 0.36, 1);
}

.faq-a > div {
  overflow: hidden;
}

.faq-q[aria-expanded="true"] + .faq-a {
  grid-template-rows: 1fr;
}

.faq-a p {
  margin: 0;
  padding: 0 40px 24px 4px;
  font-size: 14.5px;
  line-height: 1.65;
  color: var(--muted);
}

/* ---------------- 6i. closing cta ---------------- */

.cta-section {
  padding-bottom: clamp(80px, 12vh, 140px);
}

.cta-panel {
  position: relative;
  overflow: hidden;
  padding: clamp(40px, 7vh, 72px) clamp(24px, 4vw, 56px);
  text-align: center;
  border: 1px solid var(--line);
  border-radius: 28px;
  background:
    radial-gradient(120% 120% at 50% 0%, rgba(255, 255, 255, 0.12) 0%, rgba(255, 255, 255, 0.02) 55%),
    #060607;
}

.cta-title {
  margin: 18px 0 0;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(28px, 5vw, 58px);
  letter-spacing: -0.045em;
  line-height: 1.15;
  color: #ffffff;
}

.cta-copy {
  max-width: 480px;
  margin: 16px auto 0;
  font-size: clamp(14px, 1.3vw, 16px);
  line-height: 1.6;
  color: var(--soft);
  opacity: 0.8;
}

.cta-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-top: clamp(24px, 3.6vh, 34px);
}

.cta-fine {
  margin: 22px 0 0;
  font-size: 12.5px;
  letter-spacing: 0.02em;
  color: #6d6d70;
}

/* ---------------- 6j. footer ---------------- */

.site-footer {
  padding: clamp(48px, 7vh, 72px) var(--pad-x) clamp(28px, 4vh, 40px);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  background: #030304;
}

.footer-top {
  display: grid;
  grid-template-columns: 1.2fr 2fr;
  gap: clamp(28px, 5vw, 64px);
}

.footer-brand {
  max-width: 320px;
}

.footer-mark {
  display: grid;
  place-items: center;
  width: 52px;
  height: 52px;
  background: transparent;
}

.footer-mark img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.footer-tagline {
  margin: 18px 0 0;
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--muted);
}

.footer-cols {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(18px, 3vw, 32px);
}

.footer-col {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-col h4 {
  margin: 0 0 4px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #ffffff;
}

.footer-col a {
  font-size: 13.5px;
  color: var(--muted);
  transition: color 0.25s ease;
}

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

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: clamp(36px, 6vh, 56px);
  padding-top: 22px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 12.5px;
  color: #6d6d70;
}

.footer-bottom p {
  margin: 0;
}

.socials {
  display: flex;
  gap: 10px;
}

.socials a {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--pill-dark);
  color: var(--sign-in-text);
  font-size: 14px;
  transition: background 0.25s ease, color 0.25s ease, transform 0.25s ease;
}

.socials a:hover {
  background: #ffffff;
  color: #000000;
  transform: translateY(-2px);
}

/* ---------------- 7. responsive ---------------- */

@media (max-width: 1040px) {
  .split {
    grid-template-columns: 1fr;
  }

  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }

  /* mosaic: 2-column remap */
  .stage {
    --u: min(calc((100vw - 2 * var(--pad-x)) / 1025), calc(980px / 1025));
    width: calc(var(--u) * 1025);
    height: calc(var(--u) * 918);
    grid-template-columns: calc(var(--u) * 627) calc(var(--u) * 388);
    grid-template-rows: calc(var(--u) * 505) calc(var(--u) * 194) calc(var(--u) * 201);
  }

  .automate {
    grid-column: 1;
    grid-row: 1;
  }

  .notif {
    grid-column: 1;
    grid-row: 2;
  }

  .search {
    grid-column: 1;
    grid-row: 3;
  }

  .insights {
    grid-column: 2;
    grid-row: 1;
  }

  .connect {
    grid-column: 2;
    grid-row: 2 / span 2;
  }

  .bar-search {
    width: 100%;
  }
}

@media (max-width: 900px) {
  .c1-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 720px) {
  .header {
    justify-content: space-between;
    gap: 12px;
    width: calc(100% - 2 * var(--pad-x));
    max-width: none;
  }

  .nav,
  .sign-in {
    display: none;
  }

  .logo {
    width: 52px;
    height: 52px;
  }

  .burger {
    display: flex;
  }

  :root {
    --header-h: 48px;
  }

  .headline {
    letter-spacing: -0.08em;
    line-height: 1.05;
  }

  .subhead {
    max-width: min(500px, 96%);
  }

  .stats {
    grid-template-columns: repeat(2, 1fr);
    gap: clamp(14px, 3vh, 22px) 12px;
  }

  .trust-pill {
    font-size: 12px;
  }

  .grid-3,
  .steps,
  .footer-top,
  .footer-cols {
    grid-template-columns: 1fr;
  }

  .footer-cols {
    gap: 26px;
  }

  .plan--featured {
    order: -1;
  }

  /* mosaic: single column stack */
  .stage {
    --u: calc((min(100vw, 560px) - 2 * var(--pad-x)) / 375);
    width: calc(var(--u) * 375);
    height: auto;
    grid-template-columns: 1fr;
    grid-template-rows: none;
    row-gap: calc(var(--u) * 13);
  }

  .mcard {
    grid-column: 1 !important;
    grid-row: auto !important;
  }

  .notif {
    height: calc(var(--u) * 149);
  }

  .automate {
    height: calc(var(--u) * 318);
  }

  .automate .mcard-sub {
    font-size: calc(var(--u) * 13.5);
  }

  .connect {
    height: calc(var(--u) * 508);
  }

  .insights {
    height: calc(var(--u) * 500);
  }

  .search {
    height: auto;
    flex-direction: column;
    align-items: flex-start;
    gap: calc(var(--u) * 18);
    padding: calc(var(--u) * 26) calc(var(--u) * 20);
  }

  .bar-search {
    margin-left: 0;
    height: calc(var(--u) * 58);
  }

  .illo {
    transform: scale(0.5981);
    transform-origin: 0 0;
  }

  .automate .mcard-title--lg {
    font-size: calc(var(--u) * 26);
  }

  .automate-copy {
    padding: calc(var(--u) * 24) calc(var(--u) * 18) 0;
  }
}

@media (max-width: 600px) {
  .c1-grid {
    grid-template-columns: 1fr;
  }

  .c1-title {
    font-size: 2.25rem;
  }
}

@media (max-width: 420px) {
  .trust {
    --trust-size: 34px;
  }

  .headline {
    letter-spacing: -0.09em;
    line-height: 1.04;
  }
}

@media (max-height: 700px) {
  .trust {
    margin-bottom: 14px;
  }

  .subhead {
    margin-top: 12px;
  }

  .cta {
    margin-top: 16px;
  }

  .stats {
    padding-top: 8px;
  }
}

/* ---------------- reduced motion ---------------- */

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }

  .anim,
  .rise,
  .headline .line,
  .header {
    opacity: 1 !important;
    transform: none !important;
    filter: none !important;
  }

  .subhead {
    opacity: 0.8 !important;
  }

  .chip-slack {
    transform: rotate(-20deg) !important;
  }

  .win-back {
    transform: rotate(-7.02deg) !important;
  }

  .win-front {
    transform: rotate(4.23deg) !important;
  }

  .pill-wf {
    transform: rotate(-1.2deg) !important;
  }

  .pill-ai {
    transform: rotate(-1deg) !important;
  }

  .c1-folder,
  .c1-search,
  .plan-badge {
    transform: translateX(-50%) !important;
  }

  .headline,
  .headline .line {
    color: #ffffff;
  }
}