/* OneOS V7 — DA portail / site vitrine */
:root {
  --bg: #F6F8FC;
  --white: #FFFFFF;
  --ink: #07101F;
  --ink-soft: #172131;
  --muted: #667085;
  --muted-2: #8A94A6;
  --line: rgba(7, 16, 31, .10);
  --blue: #0057B8;
  --blue-mid: #2F7BFF;
  --blue-light: #6FA4FF;
  --blue-soft: rgba(47, 123, 255, .10);
  --dark: #02050A;
  --dark-2: #07101F;
  --dark-card: rgba(255,255,255,.045);
  --radius-xl: 42px;
  --radius-lg: 28px;
  --radius-md: 18px;
  --shadow: 0 28px 80px rgba(14, 40, 90, .10);
  --max: 1180px;
}

* {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", Inter, "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at 78% 4%, rgba(47,123,255,.12), transparent 30%),
    radial-gradient(circle at 8% 46%, rgba(47,123,255,.07), transparent 28%),
    linear-gradient(180deg, #FFFFFF 0%, #F4F7FC 46%, #FFFFFF 100%);
  letter-spacing: -.018em;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image: radial-gradient(rgba(7,16,31,.07) .7px, transparent .7px);
  background-size: 22px 22px;
  opacity: .15;
  mask-image: linear-gradient(to bottom, black 0%, transparent 72%);
  -webkit-mask-image: linear-gradient(to bottom, black 0%, transparent 72%);
}

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

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

.site {
  position: relative;
  z-index: 1;
  max-width: 1500px;
  margin: 0 auto;
}

.section {
  width: min(calc(100% - 44px), var(--max));
  margin: 0 auto;
  scroll-margin-top: 110px;
}

.site-header {
  position: sticky;
  top: 18px;
  z-index: 50;
  width: min(calc(100% - 32px), var(--max));
  margin: 18px auto 0;
  padding: 11px 12px;
  border-radius: 999px;
  border: 1px solid rgba(7,16,31,.075);
  background: rgba(255,255,255,.82);
  box-shadow: 0 18px 50px rgba(7,16,31,.08);
  backdrop-filter: blur(22px) saturate(128%);
  -webkit-backdrop-filter: blur(22px) saturate(128%);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding-left: 2px;
}

.wordmark {
  display: inline-flex;
  align-items: baseline;
  white-space: nowrap;
  line-height: .9;
  letter-spacing: -.06em;
}

.wordmark .one {
  font-weight: 260;
  color: var(--ink);
}

.wordmark .os {
  font-weight: 760;
  color: transparent;
  background: linear-gradient(180deg, var(--blue-light) 0%, var(--blue-mid) 46%, var(--blue) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  text-shadow: 0 0 24px rgba(47,123,255,.18);
  padding-right: .08em;
}

.wordmark.small .one,
.wordmark.small .os {
  font-size: 22px;
}

.one-square {
  width: 42px;
  height: 42px;
  border-radius: 13px;
  display: grid;
  place-items: center;
  color: #fff;
  font-size: 24px;
  font-weight: 740;
  line-height: 1;
  letter-spacing: -.05em;
  background: linear-gradient(180deg, #2F7BFF 0%, #0057B8 100%);
  box-shadow:
    0 18px 42px rgba(0,87,184,.26),
    inset 0 1px 0 rgba(255,255,255,.24);
  flex: 0 0 auto;
}

.desktop-nav {
  display: flex;
  align-items: center;
  gap: 4px;
}

.desktop-nav a {
  min-height: 40px;
  padding: 0 14px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  color: #3E495C;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: -.005em;
  transition: .18s ease;
}

.desktop-nav a:hover {
  background: rgba(47,123,255,.08);
  color: var(--ink);
}

.desktop-nav .nav-cta,
.mobile-cta {
  color: #fff;
  background: var(--ink);
  box-shadow: 0 12px 28px rgba(7,16,31,.16);
}

.desktop-nav .nav-cta:hover,
.mobile-cta:hover {
  background: var(--blue);
  color: #fff;
}

.mobile-cta {
  display: none;
  min-height: 36px;
  padding: 0 13px;
  border-radius: 999px;
  align-items: center;
  justify-content: center;
  font-size: 12.5px;
  font-weight: 560;
}

/* Hero */
.hero {
  min-height: 840px;
  padding: 120px 0 86px;
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 76px;
  align-items: center;
}

.eyebrow,
.kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--blue-mid);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .18em;
  text-transform: uppercase;
}

.eyebrow span,
.kicker::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--blue-mid);
  box-shadow: 0 0 0 7px rgba(47,123,255,.10);
}

h1 {
  margin-top: 22px;
  max-width: 790px;
  color: #070D19;
  font-size: clamp(60px, 6.4vw, 92px);
  line-height: .96;
  letter-spacing: -.064em;
  font-weight: 670;
}

.hero-lead {
  margin-top: 30px;
  max-width: 760px;
  color: #2D384C;
  font-size: 21px;
  line-height: 1.56;
  letter-spacing: -.012em;
  font-weight: 420;
}

.hero-note {
  margin-top: 15px;
  max-width: 710px;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.58;
  font-weight: 370;
}

.hero-actions,
.final-actions {
  margin-top: 34px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.button {
  min-height: 52px;
  padding: 0 21px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  font-weight: 650;
  letter-spacing: -.006em;
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease;
}

.button:hover {
  transform: translateY(-1px);
}

.button-primary {
  color: white;
  background: linear-gradient(180deg, #2F7BFF 0%, #0057B8 100%);
  box-shadow:
    0 18px 38px rgba(0,87,184,.25),
    inset 0 1px 0 rgba(255,255,255,.20);
}

.button-secondary {
  color: var(--ink);
  background: rgba(255,255,255,.78);
  border: 1px solid rgba(7,16,31,.10);
  box-shadow: 0 14px 34px rgba(7,16,31,.055);
}

.hero-tags {
  margin-top: 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
}

.hero-tags span {
  min-height: 34px;
  padding: 0 12px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  color: #4B5668;
  background: rgba(255,255,255,.68);
  border: 1px solid rgba(7,16,31,.07);
  font-size: 13px;
  font-weight: 520;
}

/* Portal preview */
.hero-showcase {
  display: grid;
  place-items: center;
}

.portal-preview {
  width: min(100%, 620px);
  padding: 28px;
  border-radius: 42px;
  color: #F4F7FB;
  background:
    radial-gradient(circle at 78% 0%, rgba(47,123,255,.30), transparent 34%),
    radial-gradient(circle at 14% 8%, rgba(111,164,255,.17), transparent 28%),
    linear-gradient(148deg, #151E2D 0%, #08111F 52%, #02050A 100%);
  border: 1px solid rgba(255,255,255,.095);
  box-shadow:
    0 38px 100px rgba(7,16,31,.30),
    0 34px 90px rgba(0,87,184,.15),
    inset 0 1px 0 rgba(255,255,255,.09);
  position: relative;
  overflow: hidden;
}

.portal-preview::before {
  content: "";
  position: absolute;
  inset: auto -12% -18% -12%;
  height: 190px;
  background: radial-gradient(circle, rgba(47,123,255,.26), transparent 62%);
  filter: blur(5px);
  pointer-events: none;
}

.preview-top,
.preview-title,
.suite-module-grid {
  position: relative;
  z-index: 1;
}

.preview-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 30px;
}

.preview-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.preview-square {
  width: 48px;
  height: 48px;
  border-radius: 15px;
  font-size: 27px;
}

.preview-wordmark .one {
  color: #F6F8FC;
}

.preview-wordmark .one,
.preview-wordmark .os {
  font-size: 28px;
}

.preview-pill {
  flex: 0 0 auto;
  min-height: 38px;
  padding: 0 16px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  color: rgba(244,247,251,.78);
  background: rgba(255,255,255,.045);
  border: 1px solid rgba(255,255,255,.11);
  font-size: 14px;
  font-weight: 560;
}

.preview-title {
  margin-bottom: 24px;
}

.preview-title p {
  color: rgba(228,236,250,.62);
  font-size: 12px;
  font-weight: 690;
  letter-spacing: .15em;
  text-transform: uppercase;
}

.preview-title h2 {
  margin-top: 9px;
  max-width: 460px;
  color: #F5F7FB;
  font-size: 33px;
  line-height: 1.03;
  letter-spacing: -.044em;
  font-weight: 620;
}

.suite-module-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 11px;
}

.suite-module-card {
  min-height: 158px;
  padding: 15px;
  border-radius: 22px;
  background:
    linear-gradient(180deg, rgba(255,255,255,.058), rgba(255,255,255,.026));
  border: 1px solid rgba(255,255,255,.08);
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,.05),
    0 18px 34px rgba(0,0,0,.12);
}

.icon-box {
  width: 44px;
  height: 44px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  background:
    linear-gradient(180deg, rgba(47,123,255,.20), rgba(47,123,255,.07)),
    rgba(255,255,255,.025);
  border: 1px solid rgba(47,123,255,.26);
  color: var(--blue-mid);
  flex: 0 0 auto;
}

.icon-box svg {
  width: 23px;
  height: 23px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.85;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.suite-module-card h3 {
  margin-top: 18px;
  color: #F7FAFF;
  font-size: 17px;
  line-height: 1.05;
  letter-spacing: -.02em;
  font-weight: 640;
}

.suite-module-card p {
  margin-top: 9px;
  color: rgba(228,236,250,.66);
  font-size: 12.5px;
  line-height: 1.34;
  font-weight: 380;
}

/* Sections */
.usecases,
.modules,
.why,
.security,
.final {
  padding: 78px 0;
}

.section-head {
  max-width: 790px;
  margin-bottom: 36px;
}

.section-head h2,
.dark-panel h2,
.security-card h2,
.final h2 {
  margin-top: 12px;
  max-width: 850px;
  color: var(--ink);
  font-size: clamp(40px, 4.9vw, 62px);
  line-height: 1.04;
  letter-spacing: -.052em;
  font-weight: 620;
}

.section-head p,
.dark-panel p,
.security-card p,
.final p {
  margin-top: 16px;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.62;
  font-weight: 370;
}

.usecase-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}

.usecase-card,
.module-card,
.security-card,
.final {
  border: 1px solid rgba(7,16,31,.08);
  background: rgba(255,255,255,.78);
  box-shadow: 0 20px 60px rgba(7,16,31,.055);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

.usecase-card {
  min-height: 270px;
  padding: 24px;
  border-radius: 28px;
}

.icon-box--light {
  background:
    linear-gradient(180deg, rgba(47,123,255,.12), rgba(47,123,255,.055)),
    rgba(255,255,255,.65);
  border-color: rgba(47,123,255,.15);
  color: var(--blue-mid);
}

.usecase-card h3 {
  margin-top: 42px;
  font-size: 25px;
  line-height: 1.04;
  letter-spacing: -.032em;
  font-weight: 620;
}

.usecase-card p,
.module-card p {
  margin-top: 12px;
  color: var(--muted);
  font-size: 15.5px;
  line-height: 1.55;
  font-weight: 370;
}

.module-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}

.module-card {
  min-height: 235px;
  padding: 22px;
  border-radius: 26px;
  transition: .18s ease;
}

.module-card:hover {
  transform: translateY(-2px);
  border-color: rgba(47,123,255,.22);
  box-shadow: 0 24px 68px rgba(47,123,255,.09);
}

.module-card h3 {
  margin-top: 34px;
  font-size: 28px;
  line-height: 1.02;
  letter-spacing: -.038em;
  font-weight: 620;
}

.dark-panel {
  padding: clamp(30px, 5vw, 58px);
  border-radius: 42px;
  color: #F4F7FB;
  background:
    radial-gradient(circle at 82% 8%, rgba(47,123,255,.22), transparent 34%),
    linear-gradient(140deg, #151E2D 0%, #08111F 54%, #02050A 100%);
  border: 1px solid rgba(255,255,255,.09);
  box-shadow:
    0 34px 90px rgba(7,16,31,.24),
    inset 0 1px 0 rgba(255,255,255,.08);
  display: grid;
  grid-template-columns: .92fr 1.08fr;
  gap: 44px;
}

.dark-panel .kicker,
.dark-panel h2,
.dark-panel p {
  color: #F4F7FB;
}

.dark-panel p {
  color: rgba(228,236,250,.70);
}

.reason-list {
  display: grid;
  gap: 12px;
}

.reason-list article {
  padding: 18px;
  border-radius: 20px;
  background: rgba(255,255,255,.045);
  border: 1px solid rgba(255,255,255,.08);
}

.reason-list span {
  display: block;
  color: var(--blue-light);
  font-size: 12px;
  font-weight: 760;
  letter-spacing: .12em;
  margin-bottom: 14px;
}

.reason-list strong {
  display: block;
  color: #F8FAFF;
  font-size: 19px;
  letter-spacing: -.022em;
}

.reason-list p {
  margin-top: 8px;
  color: rgba(228,236,250,.68);
  font-size: 14.5px;
  line-height: 1.5;
}

.security-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.security-card {
  min-height: 390px;
  padding: clamp(26px, 4vw, 42px);
  border-radius: 34px;
}

.security-card h2 {
  margin-top: 52px;
  font-size: clamp(34px, 4vw, 52px);
}

.final {
  margin-bottom: 78px;
  padding: 72px 28px;
  border-radius: 42px;
  text-align: center;
  background:
    radial-gradient(circle at 50% 0%, rgba(47,123,255,.12), transparent 38%),
    rgba(255,255,255,.82);
}

.final-square {
  margin: 0 auto 24px;
  width: 96px;
  height: 96px;
  border-radius: 29px;
  font-size: 54px;
}

.final h2 {
  margin-left: auto;
  margin-right: auto;
  max-width: 780px;
}

.final p {
  max-width: 680px;
  margin-left: auto;
  margin-right: auto;
}

.final-actions {
  justify-content: center;
}

/* Motion */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity .72s ease, transform .72s ease;
}

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

.reveal-delay {
  transition-delay: .12s;
}

/* Responsive */
@media (max-width: 1160px) {
  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
    padding-top: 90px;
    gap: 44px;
  }

  .hero-copy {
    max-width: 860px;
  }

  .portal-preview {
    width: min(100%, 760px);
    margin: 0 auto;
  }
}

@media (max-width: 980px) {
  .usecase-grid,
  .module-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .dark-panel,
  .security-grid {
    grid-template-columns: 1fr;
  }

  .dark-panel {
    gap: 28px;
  }
}

@media (max-width: 760px) {
  body {
    background:
      radial-gradient(circle at 50% 5%, rgba(47,123,255,.14), transparent 28%),
      linear-gradient(180deg, #FFFFFF 0%, #F5F7FC 46%, #FFFFFF 100%);
  }

  .section {
    width: min(calc(100% - 26px), 560px);
    scroll-margin-top: 94px;
  }

  .site-header {
    top: 10px;
    width: min(calc(100% - 20px), 560px);
    margin-top: 10px;
    padding: 9px 10px;
    border-radius: 24px;
  }

  .desktop-nav {
    display: none;
  }

  .mobile-cta {
    display: inline-flex;
  }

  .wordmark.small .one,
  .wordmark.small .os {
    font-size: 21px;
  }

  .one-square {
    width: 36px;
    height: 36px;
    border-radius: 11px;
    font-size: 21px;
  }

  .hero {
    padding: 62px 0 46px;
    gap: 30px;
  }

  .eyebrow,
  .kicker {
    font-size: 10.5px;
    letter-spacing: .14em;
  }

  h1 {
    font-size: clamp(40px, 11vw, 52px);
    line-height: 1.03;
    letter-spacing: -.052em;
    font-weight: 660;
  }

  .hero-lead {
    margin-top: 22px;
    font-size: 17px;
    line-height: 1.58;
  }

  .hero-note {
    font-size: 15.5px;
  }

  .hero-actions,
  .final-actions {
    display: grid;
    grid-template-columns: 1fr;
    gap: 10px;
    margin-top: 26px;
  }

  .button {
    width: 100%;
    min-height: 50px;
  }

  .hero-tags {
    margin-top: 18px;
    gap: 8px;
  }

  .hero-tags span {
    min-height: 31px;
    font-size: 12px;
    padding: 0 10px;
  }

  .portal-preview {
    padding: 20px;
    border-radius: 30px;
  }

  .preview-top {
    margin-bottom: 20px;
  }

  .preview-square {
    width: 42px;
    height: 42px;
    border-radius: 13px;
    font-size: 24px;
  }

  .preview-wordmark .one,
  .preview-wordmark .os {
    font-size: 24px;
  }

  .preview-pill {
    min-height: 32px;
    padding: 0 12px;
    font-size: 12px;
  }

  .preview-title {
    margin-bottom: 18px;
  }

  .preview-title h2 {
    max-width: 100%;
    font-size: 27px;
  }

  .suite-module-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 9px;
  }

  .suite-module-card {
    min-height: 128px;
    padding: 13px;
    border-radius: 18px;
  }

  .suite-module-card .icon-box {
    width: 36px;
    height: 36px;
    border-radius: 12px;
  }

  .icon-box svg {
    width: 20px;
    height: 20px;
  }

  .suite-module-card h3 {
    margin-top: 13px;
    font-size: 15.5px;
  }

  .suite-module-card p {
    font-size: 11.8px;
  }

  .usecases,
  .modules,
  .why,
  .security,
  .final {
    padding: 48px 0;
  }

  .section-head {
    margin-bottom: 24px;
  }

  .section-head h2,
  .dark-panel h2,
  .security-card h2,
  .final h2 {
    font-size: clamp(32px, 8vw, 40px);
    line-height: 1.1;
    letter-spacing: -.042em;
  }

  .section-head p,
  .dark-panel p,
  .security-card p,
  .final p {
    font-size: 15.8px;
    line-height: 1.62;
  }

  .usecase-grid,
  .module-grid {
    grid-template-columns: 1fr;
    gap: 11px;
  }

  .usecase-card,
  .module-card {
    min-height: auto;
    display: grid;
    grid-template-columns: 44px 1fr;
    column-gap: 14px;
    padding: 18px;
    border-radius: 22px;
  }

  .usecase-card .icon-box,
  .module-card .icon-box {
    grid-row: span 2;
    width: 44px;
    height: 44px;
  }

  .usecase-card h3,
  .module-card h3 {
    margin-top: 0;
    font-size: 23px;
  }

  .usecase-card p,
  .module-card p {
    margin-top: 8px;
    font-size: 14.5px;
  }

  .dark-panel {
    padding: 24px 20px;
    border-radius: 30px;
  }

  .reason-list article {
    padding: 16px;
    border-radius: 18px;
  }

  .security-card {
    min-height: auto;
    padding: 24px 20px;
    border-radius: 28px;
  }

  .security-card h2 {
    margin-top: 36px;
  }

  .final {
    margin-bottom: 36px;
    padding: 42px 20px;
  }

  .final-square {
    width: 78px;
    height: 78px;
    border-radius: 23px;
    font-size: 44px;
  }
}

@media (max-width: 390px) {
  .section {
    width: min(calc(100% - 22px), 560px);
  }

  h1 {
    font-size: 38px;
  }

  .hero-lead {
    font-size: 16px;
  }

  .portal-preview {
    padding: 17px;
  }

  .suite-module-grid {
    gap: 8px;
  }

  .suite-module-card {
    min-height: 122px;
    padding: 11px;
  }

  .suite-module-card h3 {
    font-size: 14.5px;
  }

  .suite-module-card p {
    font-size: 11.2px;
  }
}

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

  .button:hover,
  .module-card:hover {
    transform: none;
  }
}


/* =========================
   V8 — wording + mobile polish
   ========================= */

/* Slight desktop tuning */
h1 {
  max-width: 820px;
}

.dark-panel h2 {
  max-width: 760px;
}

/* Tablet */
@media (max-width: 980px) {
  .hero {
    gap: 38px;
  }

  .portal-preview {
    width: min(100%, 720px);
  }

  .suite-module-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* Mobile refined */
@media (max-width: 760px) {
  html, body {
    width: 100%;
    max-width: 100%;
    overflow-x: hidden;
  }

  body {
    background:
      radial-gradient(circle at 52% 6%, rgba(47,123,255,.14), transparent 28%),
      linear-gradient(180deg, #FFFFFF 0%, #F6F8FC 44%, #FFFFFF 100%);
  }

  body::before {
    opacity: .10;
    background-size: 18px 18px;
  }

  .site {
    width: 100%;
    max-width: 100%;
  }

  .section {
    width: min(calc(100% - 22px), 560px);
    scroll-margin-top: 86px;
  }

  .site-header {
    top: 8px;
    width: min(calc(100% - 16px), 560px);
    margin-top: 8px;
    padding: 8px 9px;
    border-radius: 21px;
    box-shadow: 0 14px 34px rgba(7,16,31,.07);
  }

  .brand {
    gap: 10px;
  }

  .wordmark.small .one,
  .wordmark.small .os {
    font-size: 20px;
  }

  .mobile-cta {
    min-height: 34px;
    padding: 0 12px;
    font-size: 12px;
  }

  .hero {
    padding: 54px 0 34px;
    gap: 24px;
  }

  .hero-copy {
    max-width: 100%;
  }

  .eyebrow,
  .kicker {
    gap: 8px;
    font-size: 10px;
    letter-spacing: .13em;
  }

  .eyebrow span,
  .kicker::before {
    width: 7px;
    height: 7px;
    box-shadow: 0 0 0 6px rgba(47,123,255,.10);
  }

  h1 {
    margin-top: 18px;
    max-width: 100%;
    font-size: clamp(38px, 11vw, 50px);
    line-height: 1.02;
    letter-spacing: -.048em;
    font-weight: 680;
  }

  .hero-lead {
    margin-top: 18px;
    max-width: 100%;
    font-size: 16.5px;
    line-height: 1.58;
    letter-spacing: -.006em;
  }

  .hero-note {
    margin-top: 12px;
    max-width: 100%;
    font-size: 15px;
    line-height: 1.56;
  }

  .hero-actions,
  .final-actions {
    margin-top: 22px;
    display: grid;
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .button {
    width: 100%;
    min-height: 49px;
    font-size: 14px;
    border-radius: 16px;
  }

  .hero-tags {
    margin-top: 16px;
    gap: 7px;
  }

  .hero-tags span {
    min-height: 30px;
    padding: 0 10px;
    font-size: 11.5px;
    font-weight: 560;
  }

  .hero-showcase {
    display: block;
  }

  .portal-preview {
    width: 100%;
    padding: 18px;
    border-radius: 26px;
    box-shadow:
      0 24px 60px rgba(7,16,31,.18),
      0 18px 54px rgba(0,87,184,.12),
      inset 0 1px 0 rgba(255,255,255,.08);
  }

  .portal-preview::before {
    height: 130px;
  }

  .preview-top {
    align-items: center;
    margin-bottom: 16px;
    gap: 10px;
  }

  .preview-brand {
    gap: 10px;
    min-width: 0;
  }

  .preview-square {
    width: 38px;
    height: 38px;
    border-radius: 12px;
    font-size: 22px;
    flex: 0 0 auto;
  }

  .preview-wordmark .one,
  .preview-wordmark .os {
    font-size: 22px;
  }

  .preview-pill {
    min-height: 30px;
    padding: 0 10px;
    font-size: 11.5px;
    white-space: nowrap;
  }

  .preview-title {
    margin-bottom: 14px;
  }

  .preview-title p {
    font-size: 10px;
    letter-spacing: .13em;
  }

  .preview-title h2 {
    margin-top: 7px;
    max-width: 100%;
    font-size: 24px;
    line-height: 1.06;
    letter-spacing: -.034em;
  }

  .suite-module-grid {
    grid-template-columns: 1fr 1fr;
    gap: 8px;
  }

  .suite-module-card {
    min-height: 112px;
    padding: 11px;
    border-radius: 16px;
  }

  .suite-module-card .icon-box {
    width: 34px;
    height: 34px;
    border-radius: 11px;
  }

  .icon-box svg {
    width: 18px;
    height: 18px;
  }

  .suite-module-card h3 {
    margin-top: 11px;
    font-size: 14px;
    line-height: 1.08;
    letter-spacing: -.016em;
  }

  .suite-module-card p {
    margin-top: 6px;
    font-size: 11px;
    line-height: 1.28;
  }

  .usecases,
  .modules,
  .why,
  .security,
  .final {
    padding: 40px 0;
  }

  .section-head {
    margin-bottom: 20px;
    max-width: 100%;
  }

  .section-head h2,
  .dark-panel h2,
  .security-card h2,
  .final h2 {
    max-width: 100%;
    font-size: clamp(30px, 8vw, 38px);
    line-height: 1.09;
    letter-spacing: -.038em;
    font-weight: 640;
  }

  .section-head p,
  .dark-panel p,
  .security-card p,
  .final p {
    margin-top: 12px;
    font-size: 15px;
    line-height: 1.58;
  }

  .usecase-grid,
  .module-grid,
  .security-grid {
    gap: 10px;
  }

  .usecase-card,
  .module-card {
    min-height: auto;
    padding: 16px;
    border-radius: 18px;
    grid-template-columns: 40px 1fr;
    column-gap: 12px;
    box-shadow: 0 12px 34px rgba(7,16,31,.04);
  }

  .usecase-card .icon-box,
  .module-card .icon-box {
    width: 40px;
    height: 40px;
    border-radius: 12px;
  }

  .usecase-card h3,
  .module-card h3 {
    font-size: 21px;
    line-height: 1.05;
    letter-spacing: -.028em;
  }

  .usecase-card p,
  .module-card p {
    margin-top: 7px;
    font-size: 14px;
    line-height: 1.48;
  }

  .dark-panel {
    padding: 22px 18px;
    border-radius: 24px;
    gap: 20px;
  }

  .reason-list {
    gap: 9px;
  }

  .reason-list article {
    padding: 14px;
    border-radius: 16px;
  }

  .reason-list span {
    margin-bottom: 11px;
    font-size: 11px;
  }

  .reason-list strong {
    font-size: 17px;
    line-height: 1.16;
  }

  .reason-list p {
    font-size: 13.5px;
    line-height: 1.45;
  }

  .security-card {
    min-height: auto;
    padding: 20px 18px;
    border-radius: 22px;
    box-shadow: 0 12px 34px rgba(7,16,31,.04);
  }

  .security-card .icon-box {
    width: 40px;
    height: 40px;
    border-radius: 12px;
  }

  .security-card h2 {
    margin-top: 28px;
    font-size: clamp(28px, 7.4vw, 34px);
    line-height: 1.1;
  }

  .final {
    margin-bottom: 28px;
    padding: 34px 18px;
    border-radius: 24px;
  }

  .final-square {
    width: 72px;
    height: 72px;
    border-radius: 22px;
    font-size: 41px;
    margin-bottom: 18px;
  }
}

@media (max-width: 390px) {
  .section {
    width: min(calc(100% - 18px), 560px);
  }

  .site-header {
    width: min(calc(100% - 12px), 560px);
  }

  h1 {
    font-size: 35px;
  }

  .hero-lead {
    font-size: 15.5px;
  }

  .preview-wordmark .one,
  .preview-wordmark .os {
    font-size: 20px;
  }

  .preview-title h2 {
    font-size: 22px;
  }

  .suite-module-card {
    min-height: 108px;
    padding: 10px;
  }

  .suite-module-card h3 {
    font-size: 13.5px;
  }

  .suite-module-card p {
    font-size: 10.6px;
  }
}