:root {
  --bg-main: #f4ede3;
  --bg-soft: #efe7dc;
  --bg-deep: #e7ddd0;
  --paper: rgba(255, 252, 247, 0.84);
  --paper-strong: rgba(255, 255, 255, 0.94);
  --paper-solid: #fffdf9;

  --ink: #0f1217;
  --ink-soft: rgba(15, 18, 23, 0.76);
  --ink-dim: rgba(15, 18, 23, 0.5);
  --ink-faint: rgba(15, 18, 23, 0.28);

  --line: rgba(15, 18, 23, 0.08);
  --line-strong: rgba(15, 18, 23, 0.14);

  --blue-100: #d7f3ff;
  --blue-200: #bdeaff;
  --blue-300: #84dbff;
  --blue-400: #3dc5ff;
  --blue-500: #2aa8f2;
  --blue-600: #4f7df1;
  --blue-700: #3858c9;
  --blue-800: #233d8e;

  --shadow-xs: 0 6px 14px rgba(20, 24, 32, 0.03);
  --shadow-sm: 0 10px 24px rgba(20, 24, 32, 0.05);
  --shadow-md: 0 18px 42px rgba(20, 24, 32, 0.08);
  --shadow-lg: 0 34px 80px rgba(20, 24, 32, 0.14);
  --shadow-xl: 0 48px 120px rgba(20, 24, 32, 0.18);

  --radius-xs: 10px;
  --radius-sm: 14px;
  --radius-md: 20px;
  --radius-lg: 28px;
  --radius-xl: 36px;
  --radius-2xl: 44px;

  --container: 1260px;
  --header-height: 86px;
  --transition-fast: 0.2s ease;
  --transition-main: 0.35s ease;
  --transition-slow: 0.6s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  font-family: 'Inter', sans-serif;
  background:
    radial-gradient(
      circle at 12% 10%,
      rgba(42, 168, 242, 0.08),
      transparent 24%
    ),
    radial-gradient(
      circle at 88% 14%,
      rgba(79, 125, 241, 0.08),
      transparent 22%
    ),
    radial-gradient(
      circle at 50% 110%,
      rgba(61, 197, 255, 0.08),
      transparent 24%
    ),
    linear-gradient(180deg, #f8f3eb 0%, #f1e8dc 48%, #eee4d7 100%);
  overflow-x: hidden;
}

body::selection {
  background: rgba(42, 168, 242, 0.18);
}

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

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

button,
input,
textarea,
select {
  font: inherit;
}

button {
  border: 0;
  background: transparent;
  cursor: pointer;
}

.container {
  width: min(var(--container), calc(100% - 32px));
  margin: 0 auto;
}

/* backdrop */

.page-backdrop {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -2;
  overflow: hidden;
}

.blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.55;
}

.blob-a {
  width: 30rem;
  height: 30rem;
  left: -8rem;
  top: -7rem;
  background: rgba(42, 168, 242, 0.14);
}

.blob-b {
  width: 26rem;
  height: 26rem;
  right: -7rem;
  top: 8rem;
  background: rgba(79, 125, 241, 0.14);
}

.blob-c {
  width: 24rem;
  height: 24rem;
  left: 40%;
  bottom: -8rem;
  background: rgba(109, 228, 255, 0.12);
}

.blob-d {
  width: 16rem;
  height: 16rem;
  right: 22%;
  top: 42%;
  background: rgba(42, 168, 242, 0.08);
}

.backdrop-mesh {
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(
      circle at 20% 20%,
      rgba(255, 255, 255, 0.3) 0 1px,
      transparent 1px
    ),
    radial-gradient(
      circle at 80% 80%,
      rgba(255, 255, 255, 0.25) 0 1px,
      transparent 1px
    );
  background-size: 180px 180px;
  opacity: 0.16;
}

.backdrop-noise {
  position: absolute;
  inset: 0;
  opacity: 0.055;
  background-image:
    radial-gradient(
      circle at 20% 30%,
      rgba(0, 0, 0, 0.9) 0.8px,
      transparent 1px
    ),
    radial-gradient(
      circle at 80% 18%,
      rgba(0, 0, 0, 0.75) 0.8px,
      transparent 1px
    ),
    radial-gradient(
      circle at 38% 74%,
      rgba(0, 0, 0, 0.82) 0.8px,
      transparent 1px
    ),
    radial-gradient(
      circle at 84% 72%,
      rgba(0, 0, 0, 0.72) 0.8px,
      transparent 1px
    );
  background-size: 220px 220px;
}

.backdrop-lines {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(15, 18, 23, 0.018) 1px, transparent 1px),
    linear-gradient(90deg, rgba(15, 18, 23, 0.018) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: radial-gradient(circle at center, black 36%, transparent 84%);
}

/* page progress */

.reading-progress {
  position: fixed;
  inset: 0 0 auto 0;
  height: 4px;
  z-index: 140;
  background: transparent;
  pointer-events: none;
}

.reading-progress span {
  display: block;
  width: 0%;
  height: 100%;
  background: linear-gradient(
    90deg,
    var(--blue-500),
    var(--blue-600),
    var(--blue-400)
  );
  box-shadow: 0 0 18px rgba(79, 125, 241, 0.18);
}

/* header */

.site-header {
  position: sticky;
  top: 0;
  z-index: 120;
  min-height: var(--header-height);
  backdrop-filter: blur(18px);
  background: linear-gradient(
    180deg,
    rgba(248, 243, 235, 0.92),
    rgba(248, 243, 235, 0.76)
  );
  border-bottom: 1px solid rgba(15, 18, 23, 0.06);
  transition:
    background var(--transition-main),
    border-color var(--transition-main),
    box-shadow var(--transition-main);
}

.site-header.scrolled {
  background: linear-gradient(
    180deg,
    rgba(255, 252, 247, 0.96),
    rgba(255, 252, 247, 0.84)
  );
  box-shadow: 0 10px 26px rgba(20, 24, 32, 0.04);
}

.header-inner {
  min-height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  transition: transform var(--transition-main);
  will-change: transform;
}

.brand-mark {
  width: 54px;
  height: 54px;
  border-radius: 18px;
  display: grid;
  place-items: center;
  color: #fff;
  font-weight: 800;
  letter-spacing: 0.03em;
  background: linear-gradient(135deg, var(--blue-500), var(--blue-600));
  box-shadow: 0 18px 34px rgba(79, 125, 241, 0.18);
}

.brand-mark.small {
  width: 42px;
  height: 42px;
  border-radius: 14px;
  font-size: 0.85rem;
}

.brand-copy {
  display: grid;
  gap: 2px;
}

.brand-copy strong {
  font-weight: 800;
}

.brand-copy small {
  color: var(--ink-dim);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 8px;
}

.site-nav a {
  padding: 12px 16px;
  border-radius: 999px;
  color: var(--ink-soft);
  font-weight: 600;
  transition:
    background var(--transition-main),
    color var(--transition-main),
    transform var(--transition-main);
}

.site-nav a:hover,
.site-nav a.active-link {
  color: var(--ink);
  background: rgba(15, 18, 23, 0.05);
}

.menu-toggle {
  display: none;
  width: 46px;
  height: 46px;
  border-radius: 14px;
  padding: 11px 10px;
  border: 1px solid var(--line-strong);
  background: rgba(255, 255, 255, 0.55);
  flex-direction: column;
  justify-content: space-between;
}

.menu-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  border-radius: 999px;
  background: var(--ink);
}

/* hero */

.hero {
  position: relative;
  overflow: hidden;
}

.hero-ultra {
  padding: 72px 0 34px;
}

.hero-spotlight {
  position: absolute;
  width: 360px;
  height: 360px;
  border-radius: 50%;
  background: radial-gradient(
    circle,
    rgba(42, 168, 242, 0.16),
    transparent 70%
  );
  filter: blur(20px);
  transform: translate(-50%, -50%);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-fast);
}

.hero-shell {
  display: grid;
  grid-template-columns: 0.96fr 1.04fr;
  gap: 42px;
  align-items: center;
}

.eyebrow-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  padding: 8px 14px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--blue-100), #fff);
  color: var(--ink);
  font-size: 0.76rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 800;
  box-shadow: var(--shadow-xs);
}

.eyebrow.outline {
  background: rgba(255, 255, 255, 0.64);
  border: 1px solid var(--line);
  box-shadow: none;
}

.hero-copy h1 {
  margin: 20px 0 18px;
  max-width: 11ch;
  font-family: 'DM Serif Display', serif;
  font-size: clamp(3rem, 6vw, 5.8rem);
  line-height: 0.94;
  letter-spacing: -0.045em;
}

.hero-text {
  margin: 0;
  max-width: 61ch;
  color: var(--ink-soft);
  font-size: 1.05rem;
  line-height: 1.9;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 30px;
}

.btn {
  min-height: 58px;
  padding: 14px 24px;
  border-radius: 18px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  font-weight: 800;
  transition:
    transform var(--transition-main),
    box-shadow var(--transition-main),
    background var(--transition-main),
    border-color var(--transition-main);
  will-change: transform;
}

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

.btn-primary {
  color: #fff;
  background: linear-gradient(135deg, var(--blue-500), var(--blue-600));
  box-shadow: 0 18px 42px rgba(79, 125, 241, 0.18);
}

.btn-secondary {
  color: var(--ink);
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid var(--line);
}

.btn-wide {
  min-width: 260px;
}

.hero-meta-grid {
  margin-top: 32px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.hero-meta-card {
  padding: 22px 20px;
  border-radius: 24px;
  background: var(--paper);
  backdrop-filter: blur(18px);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-sm);
}

.hero-meta-card small {
  display: block;
  margin-bottom: 10px;
  color: var(--ink-dim);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.76rem;
  font-weight: 700;
}

.hero-meta-card strong {
  display: block;
  line-height: 1.45;
  font-size: 1rem;
}

.hero-number-strip {
  margin-top: 28px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.number-chip {
  padding: 18px 18px 20px;
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.68);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-xs);
}

.number-chip strong {
  display: block;
  font-size: 1.8rem;
  font-weight: 900;
}

.number-chip span {
  display: block;
  margin-top: 6px;
  color: var(--ink-soft);
  line-height: 1.5;
  font-size: 0.92rem;
}

.hero-stage {
  position: relative;
  min-height: 900px;
}

.hero-card {
  position: absolute;
  overflow: hidden;
  background: var(--paper-strong);
  border: 1px solid rgba(15, 18, 23, 0.06);
  box-shadow: var(--shadow-xl);
  transition: transform var(--transition-fast);
  will-change: transform;
}

.hero-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-card-main {
  right: 0;
  top: 0;
  width: min(380px, 46%);
  border-radius: 32px;
}

.hero-card-side-top {
  left: 0;
  top: 46px;
  width: min(280px, 34%);
  border-radius: 28px;
}

.hero-card-side-bottom {
  left: 54px;
  bottom: 46px;
  width: min(320px, 39%);
  border-radius: 28px;
}

.hero-card-float {
  right: 34px;
  bottom: 160px;
  width: min(250px, 30%);
  border-radius: 26px;
}

.hero-label {
  position: absolute;
  max-width: 236px;
  padding: 18px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.72);
  backdrop-filter: blur(18px);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-md);
}

.hero-label strong {
  display: block;
  margin-bottom: 8px;
}

.hero-label span {
  color: var(--ink-soft);
  line-height: 1.58;
  font-size: 0.94rem;
}

.hero-label-a {
  left: 28px;
  top: 330px;
}

.hero-label-b {
  right: 10px;
  top: 290px;
}

.hero-label-c {
  left: 18px;
  bottom: 140px;
}

/* sections generic */

.section {
  position: relative;
  padding: 100px 0;
}

.section-kicker {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 6px 12px;
  border-radius: 999px;
  color: var(--ink-soft);
  background: rgba(255, 255, 255, 0.64);
  border: 1px solid var(--line);
  font-size: 0.74rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 800;
  margin-bottom: 16px;
}

.section-heading {
  margin-bottom: 38px;
}

.section-heading h2 {
  margin: 0;
  max-width: 14ch;
  font-family: 'DM Serif Display', serif;
  font-size: clamp(2.15rem, 4vw, 3.7rem);
  line-height: 1;
  letter-spacing: -0.04em;
}

/* manifesto */

.manifesto {
  padding: 42px;
  border-radius: var(--radius-xl);
  background: rgba(255, 255, 255, 0.76);
  backdrop-filter: blur(18px);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-lg);
}

.manifesto-rule {
  width: 160px;
  height: 4px;
  border-radius: 999px;
  margin-bottom: 22px;
  background: linear-gradient(
    90deg,
    var(--blue-500),
    var(--blue-600),
    var(--blue-300)
  );
}

.manifesto-grid {
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  gap: 30px;
  align-items: start;
}

.manifesto-copy h2 {
  margin: 0;
  max-width: 16ch;
  font-family: 'DM Serif Display', serif;
  font-size: clamp(2.25rem, 4.5vw, 4.1rem);
  line-height: 1;
  letter-spacing: -0.045em;
}

.manifesto-side p {
  margin: 0;
  color: var(--ink-soft);
  line-height: 1.9;
  font-size: 1.02rem;
}

/* intro cards */

.editorial-intro-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.editorial-intro-card {
  padding: 24px 22px;
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(18px);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-sm);
}

.editorial-intro-card small {
  display: block;
  margin-bottom: 12px;
  color: var(--ink-dim);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 800;
}

.editorial-intro-card strong {
  display: block;
  line-height: 1.55;
  font-size: 1rem;
}

/* pinned story */

.pinned-story-shell {
  display: grid;
  grid-template-columns: 0.98fr 1.02fr;
  gap: 40px;
  align-items: start;
}

.pinned-story-copy {
  position: sticky;
  top: 104px;
}

.pinned-story-copy h2 {
  margin: 0 0 18px;
  max-width: 13ch;
  font-family: 'DM Serif Display', serif;
  font-size: clamp(2.2rem, 4vw, 3.6rem);
  line-height: 1;
}

.story-progress-wrap {
  margin: 0 0 26px;
}

.story-progress-line {
  width: 100%;
  height: 8px;
  overflow: hidden;
  border-radius: 999px;
  background: rgba(15, 18, 23, 0.08);
}

.story-progress-line span {
  display: block;
  width: 12.5%;
  height: 100%;
  border-radius: 999px;
  background: linear-gradient(
    90deg,
    var(--blue-500),
    var(--blue-600),
    var(--blue-300)
  );
  transition: width 0.35s ease;
}

.story-step-list {
  display: grid;
  gap: 16px;
}

.story-step {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 16px;
  padding: 20px;
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.62);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-sm);
  transition:
    transform var(--transition-main),
    background var(--transition-main),
    box-shadow var(--transition-main),
    border-color var(--transition-main);
  cursor: pointer;
}

.story-step:hover,
.story-step.active-step {
  transform: translateY(-2px);
  background: rgba(255, 255, 255, 0.9);
  box-shadow: var(--shadow-md);
  border-color: rgba(79, 125, 241, 0.16);
}

.story-step > span {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  color: #fff;
  font-weight: 800;
  background: linear-gradient(135deg, var(--blue-500), var(--blue-600));
  box-shadow: 0 12px 24px rgba(79, 125, 241, 0.18);
}

.story-step h3 {
  margin: 0 0 10px;
  font-size: 1.16rem;
  line-height: 1.28;
}

.story-step p {
  margin: 0;
  color: var(--ink-soft);
  line-height: 1.68;
}

.pinned-story-visual {
  min-height: 900px;
}

.story-device-frame {
  position: sticky;
  top: 104px;
  padding: 28px;
  border-radius: 36px;
  background: rgba(255, 255, 255, 0.78);
  backdrop-filter: blur(18px);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-xl);
  min-height: 760px;
}

.story-device {
  position: relative;
  width: min(370px, 100%);
  margin: 0 auto;
  padding: 14px;
  border-radius: 40px;
  background: linear-gradient(145deg, #ffffff, #edf2f7);
  border: 1px solid rgba(15, 18, 23, 0.08);
  box-shadow: var(--shadow-lg);
  transition: transform var(--transition-fast);
  will-change: transform;
}

.story-device img {
  aspect-ratio: 9 / 19.5;
  object-fit: cover;
  border-radius: 28px;
}

.device-notch {
  position: absolute;
  left: 50%;
  top: 14px;
  transform: translateX(-50%);
  width: 35%;
  height: 26px;
  border-radius: 0 0 16px 16px;
  background: #edf2f7;
  z-index: 2;
}

.story-floating-caption {
  margin-top: 24px;
  max-width: 62ch;
}

.story-floating-caption small {
  display: inline-block;
  margin-bottom: 8px;
  color: var(--ink-dim);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.78rem;
  font-weight: 700;
}

.story-floating-caption h3 {
  margin: 0 0 10px;
  font-size: 1.6rem;
  line-height: 1.2;
}

.story-floating-caption p {
  margin: 0;
  color: var(--ink-soft);
  line-height: 1.8;
}

.story-floating-quote {
  position: absolute;
  max-width: 220px;
  padding: 18px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.74);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-md);
}

.story-floating-quote strong {
  display: block;
  margin-bottom: 8px;
}

.story-floating-quote span {
  color: var(--ink-soft);
  line-height: 1.56;
  font-size: 0.92rem;
}

.story-floating-quote-left {
  left: 20px;
  top: 160px;
}

.story-floating-quote-right {
  right: 20px;
  bottom: 24px;
}

/* feature wall */

.feature-wall {
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  gap: 20px;
}

.feature-panel {
  padding: 24px;
  border-radius: 30px;
  background: rgba(255, 255, 255, 0.72);
  backdrop-filter: blur(18px);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-md);
  display: grid;
  gap: 20px;
}

.feature-panel-xl {
  grid-row: span 2;
}

.feature-panel-copy small {
  display: inline-block;
  margin-bottom: 10px;
  color: var(--ink-dim);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.76rem;
  font-weight: 800;
}

.feature-panel-copy h3 {
  margin: 0 0 12px;
  font-size: 1.5rem;
  line-height: 1.22;
}

.feature-panel-copy p {
  margin: 0;
  color: var(--ink-soft);
  line-height: 1.8;
}

.feature-panel-media img {
  border-radius: 24px;
  box-shadow: var(--shadow-sm);
}

.split-dual {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

/* ultra carousel */

.ultra-carousel {
  padding: 30px;
  border-radius: 36px;
  background: rgba(255, 255, 255, 0.78);
  backdrop-filter: blur(18px);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-xl);
}

.carousel-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
  margin-bottom: 24px;
}

.carousel-meta small {
  display: inline-block;
  margin-bottom: 8px;
  color: var(--ink-dim);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.78rem;
  font-weight: 700;
}

.carousel-meta h3 {
  margin: 0;
  font-size: 1.58rem;
}

.carousel-controls {
  display: flex;
  gap: 10px;
}

.carousel-btn {
  width: 54px;
  height: 54px;
  display: grid;
  place-items: center;
  border-radius: 16px;
  color: var(--ink);
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.86);
  font-size: 1.24rem;
  transition:
    transform var(--transition-main),
    background var(--transition-main),
    box-shadow var(--transition-main),
    border-color var(--transition-main);
}

.carousel-btn:hover {
  background: #fff;
  box-shadow: var(--shadow-sm);
}

.carousel-stage {
  overflow: hidden;
  border-radius: 30px;
}

.carousel-track {
  display: flex;
  transition: transform 0.45s ease;
}

.carousel-slide {
  min-width: 100%;
  display: flex;
  justify-content: center;
  padding: 8px;
}

.carousel-slide img {
  width: min(390px, 100%);
  border-radius: 28px;
  aspect-ratio: 9 / 19.5;
  object-fit: cover;
  box-shadow: var(--shadow-lg);
}

.carousel-dots {
  display: flex;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 22px;
}

.carousel-dots button {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: rgba(15, 18, 23, 0.16);
  transition: var(--transition-main);
}

.carousel-dots button.active-dot {
  width: 34px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--blue-500), var(--blue-600));
}

/* operational section */

.operational-grid {
  display: grid;
  grid-template-columns: 0.96fr 1.04fr;
  gap: 40px;
  align-items: center;
}

.operational-copy h2 {
  margin: 0 0 18px;
  max-width: 13ch;
  font-family: 'DM Serif Display', serif;
  font-size: clamp(2.1rem, 4vw, 3.5rem);
  line-height: 1;
}

.operational-copy p {
  margin: 0;
  color: var(--ink-soft);
  line-height: 1.9;
  max-width: 61ch;
}

.operational-list {
  display: grid;
  gap: 16px;
  margin-top: 28px;
}

.operational-item {
  padding: 20px;
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.68);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-sm);
}

.operational-item strong {
  display: block;
  margin-bottom: 8px;
}

.operational-item span {
  color: var(--ink-soft);
  line-height: 1.58;
}

.operational-visual {
  position: relative;
  min-height: 700px;
}

.operational-main,
.operational-float {
  position: absolute;
  overflow: hidden;
  background: var(--paper-strong);
  box-shadow: var(--shadow-xl);
}

.operational-main {
  right: 0;
  top: 0;
  width: min(380px, 56%);
  border-radius: 30px;
}

.operational-float {
  left: 0;
  bottom: 42px;
  width: min(290px, 42%);
  border-radius: 26px;
}

.operational-main img,
.operational-float img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* numbers */

.numbers-band {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.numbers-band-card {
  padding: 22px;
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-sm);
}

.numbers-band-card small {
  display: block;
  margin-bottom: 10px;
  color: var(--ink-dim);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.76rem;
  font-weight: 800;
}

.numbers-band-card strong {
  display: block;
  line-height: 1.48;
  font-size: 1rem;
}

/* reviews */

.review-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.review-card {
  padding: 28px 24px;
  border-radius: 30px;
  background: rgba(255, 255, 255, 0.72);
  backdrop-filter: blur(18px);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-sm);
  transition:
    transform var(--transition-main),
    box-shadow var(--transition-main),
    background var(--transition-main),
    border-color var(--transition-main);
}

.review-card:hover,
.featured-review {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  background: rgba(255, 255, 255, 0.92);
  border-color: rgba(79, 125, 241, 0.16);
}

.review-stars {
  color: var(--blue-600);
  letter-spacing: 0.14em;
  margin-bottom: 18px;
  font-size: 0.9rem;
}

.review-card p {
  margin: 0;
  color: var(--ink-soft);
  line-height: 1.82;
}

.review-user {
  display: grid;
  gap: 4px;
  margin-top: 24px;
}

.review-user span {
  color: var(--ink-dim);
  font-size: 0.92rem;
}

/* final cta */

.final-cta {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 24px;
  align-items: center;
  padding: 38px;
  border-radius: 38px;
  background:
    radial-gradient(
      circle at left center,
      rgba(42, 168, 242, 0.12),
      transparent 34%
    ),
    rgba(255, 255, 255, 0.82);
  backdrop-filter: blur(18px);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-xl);
}

.final-cta-copy h2 {
  margin: 0 0 14px;
  max-width: 14ch;
  font-family: 'DM Serif Display', serif;
  font-size: clamp(2rem, 4vw, 3.3rem);
  line-height: 1;
}

.final-cta-copy p {
  margin: 0;
  color: var(--ink-soft);
  line-height: 1.82;
  max-width: 62ch;
}

.final-cta-actions {
  display: grid;
  gap: 14px;
}

/* footer */

.site-footer {
  padding: 30px 0 22px;
  border-top: 1px solid rgba(15, 18, 23, 0.06);
  background: rgba(255, 255, 255, 0.56);
  backdrop-filter: blur(12px);
}

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

.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
}

.footer-brand p {
  margin: 4px 0 0;
  color: var(--ink-dim);
  font-size: 0.92rem;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-links a {
  color: var(--ink-soft);
  transition: color var(--transition-main);
}

.footer-links a:hover {
  color: var(--ink);
}

.footer-bottom {
  padding-top: 18px;
}

.footer-bottom p {
  margin: 0;
  color: var(--ink-dim);
  font-size: 0.9rem;
}

/* privacy shared */

.privacy-main {
  padding: 24px 0 82px;
}

.privacy-title {
  font-size: clamp(2.6rem, 5vw, 4.2rem);
  font-family: 'DM Serif Display', serif;
}

.privacy-grid {
  display: grid;
  gap: 18px;
}

.privacy-card {
  padding: 28px;
  border-radius: 28px;
  background: rgba(255, 255, 255, 0.76);
  backdrop-filter: blur(18px);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-sm);
}

.privacy-card h2 {
  margin: 0 0 12px;
  font-size: 1.26rem;
}

.privacy-card p {
  margin: 0;
  color: var(--ink-soft);
  line-height: 1.84;
}

.privacy-card a {
  color: var(--ink);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.privacy-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  padding-top: 8px;
}

.static-nav {
  display: flex;
}

/* motion helpers */

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition:
    opacity 0.82s ease,
    transform 0.82s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* responsive */

@media (max-width: 1220px) {
  .hero-shell,
  .manifesto-grid,
  .pinned-story-shell,
  .operational-grid,
  .final-cta {
    grid-template-columns: 1fr;
  }

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

  .feature-panel-xl {
    grid-row: auto;
  }

  .numbers-band,
  .hero-meta-grid,
  .hero-number-strip,
  .review-grid,
  .editorial-intro-grid {
    grid-template-columns: 1fr;
  }

  .operational-visual {
    min-height: 620px;
  }

  .pinned-story-visual {
    min-height: auto;
  }

  .pinned-story-copy {
    position: relative;
    top: auto;
  }

  .story-device-frame {
    position: relative;
    top: auto;
    min-height: auto;
  }
}

@media (max-width: 1024px) {
  .hero-stage {
    min-height: 740px;
  }

  .hero-card-main,
  .hero-card-side-top,
  .hero-card-side-bottom,
  .hero-card-float,
  .hero-label-a,
  .hero-label-b,
  .hero-label-c,
  .operational-main,
  .operational-float,
  .story-floating-quote-left,
  .story-floating-quote-right {
    position: static;
  }

  .hero-stage,
  .operational-visual {
    display: flex;
    flex-direction: column;
    gap: 16px;
    min-height: auto;
  }

  .story-device-frame {
    display: flex;
    flex-direction: column;
    gap: 18px;
  }

  .feature-panel-media.split-dual {
    grid-template-columns: 1fr;
  }

  .operational-main,
  .operational-float,
  .hero-card-main,
  .hero-card-side-top,
  .hero-card-side-bottom,
  .hero-card-float {
    width: 100%;
  }
}

@media (max-width: 820px) {
  .menu-toggle {
    display: inline-flex;
  }

  .site-nav {
    position: absolute;
    top: calc(100% + 10px);
    left: 16px;
    right: 16px;
    display: grid;
    gap: 8px;
    padding: 14px;
    border-radius: 24px;
    border: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.96);
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    pointer-events: none;
    transition: var(--transition-main);
  }

  .site-nav.open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    pointer-events: auto;
  }

  .site-nav a {
    width: 100%;
  }

  .static-nav {
    display: none;
  }

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

@media (max-width: 680px) {
  :root {
    --header-height: 76px;
  }

  .container {
    width: min(var(--container), calc(100% - 24px));
  }

  .hero-ultra {
    padding-top: 40px;
  }

  .section {
    padding: 74px 0;
  }

  .hero-copy h1,
  .manifesto-copy h2,
  .section-heading h2,
  .pinned-story-copy h2,
  .operational-copy h2,
  .final-cta-copy h2 {
    max-width: none;
  }

  .hero-copy h1 {
    font-size: clamp(2.2rem, 9vw, 4rem);
  }

  .hero-meta-card,
  .number-chip,
  .editorial-intro-card,
  .manifesto,
  .story-step,
  .story-device-frame,
  .feature-panel,
  .ultra-carousel,
  .operational-item,
  .numbers-band-card,
  .review-card,
  .final-cta,
  .privacy-card {
    border-radius: 24px;
  }

  .carousel-topbar {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 560px) {
  .hero-actions,
  .privacy-actions {
    flex-direction: column;
  }

  .btn {
    width: 100%;
  }
}