:root {
  --blue: #075bea;
  --blue-dark: #06154a;
  --blue-soft: #eaf2ff;
  --ink: #12182f;
  --muted: #5c6680;
  --line: #dce5f6;
  --white: #ffffff;
  --shadow: 0 18px 55px rgba(6, 21, 74, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--white);
  color: var(--ink);
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.6;
}

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

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 76px;
  padding: 12px clamp(18px, 4vw, 56px);
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  flex: 0 0 auto;
  color: var(--blue-dark);
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.brand img {
  width: 156px;
  height: auto;
  max-height: 58px;
  object-fit: contain;
}

.nav {
  display: flex;
  align-items: center;
  gap: clamp(12px, 2vw, 26px);
  color: var(--muted);
  font-size: 0.96rem;
  font-weight: 700;
}

.nav a:hover {
  color: var(--blue);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.92fr);
  align-items: center;
  gap: clamp(28px, 5vw, 70px);
  min-height: min(760px, calc(100vh - 76px));
  padding: clamp(36px, 6vw, 82px) clamp(18px, 4vw, 56px) 44px;
  background:
    linear-gradient(120deg, rgba(234, 242, 255, 0.96), rgba(255, 255, 255, 0.74) 48%, rgba(255, 255, 255, 1)),
    radial-gradient(circle at 86% 14%, rgba(7, 91, 234, 0.14), transparent 34%);
}

.hero__text {
  max-width: 660px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--blue);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  overflow-wrap: anywhere;
}

h1 {
  margin: 0;
  color: var(--blue-dark);
  font-size: clamp(3rem, 6vw, 6.8rem);
  line-height: 0.96;
  letter-spacing: 0;
}

h2 {
  margin: 0;
  color: var(--blue-dark);
  font-size: clamp(2rem, 4vw, 3.8rem);
  line-height: 1.05;
  letter-spacing: 0;
}

h3 {
  margin: 0 0 10px;
  color: var(--blue-dark);
  font-size: 1.16rem;
  line-height: 1.22;
}

.hero__lead {
  max-width: 620px;
  margin: 24px 0 0;
  color: #323d5c;
  font-size: clamp(1.08rem, 2vw, 1.34rem);
}

.hero__actions,
.contact__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 12px 18px;
  border: 1px solid transparent;
  border-radius: 6px;
  font-weight: 800;
  line-height: 1.2;
}

.button--primary {
  background: var(--blue);
  color: var(--white);
  box-shadow: 0 12px 26px rgba(7, 91, 234, 0.24);
}

.button--secondary {
  background: var(--white);
  color: var(--blue-dark);
  border-color: var(--line);
}

.button--ghost {
  background: transparent;
  color: var(--blue);
  border-color: rgba(7, 91, 234, 0.28);
}

.hero__visual {
  margin: 0;
  justify-self: center;
  width: min(100%, 720px);
}

.hero__visual img {
  width: 100%;
  aspect-ratio: 16 / 10;
  max-height: 520px;
  object-fit: cover;
  object-position: center;
  background: var(--white);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.section {
  padding: clamp(58px, 8vw, 104px) clamp(18px, 4vw, 56px);
}

.section--tint {
  background: linear-gradient(180deg, #f7fbff 0%, #eef5ff 100%);
}

.section__heading {
  max-width: 850px;
  margin-bottom: 34px;
}

.section__heading p:not(.eyebrow) {
  max-width: 760px;
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 1.08rem;
}

.section__heading--center {
  margin-right: auto;
  margin-left: auto;
  text-align: center;
}

.section__heading--center p:not(.eyebrow) {
  margin-right: auto;
  margin-left: auto;
}

.video-fusion {
  padding-top: clamp(48px, 7vw, 82px);
}

.video-fusion__frame {
  max-width: 920px;
  margin: 0 auto;
}

.video-fusion__frame video {
  display: block;
  width: 100%;
  max-height: 560px;
  object-fit: contain;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.intro__grid,
.evolution__content,
.story-layout {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(24px, 4vw, 54px);
  align-items: center;
}

.intro__grid p,
.evolution__copy p,
.story-layout__text p {
  margin: 0 0 18px;
  color: #33405f;
  font-size: 1.06rem;
}

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

.app-card,
.audience-grid article,
.timeline article {
  min-height: 100%;
  padding: 24px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 10px 28px rgba(6, 21, 74, 0.06);
}

.app-card__image {
  width: 100%;
  height: 118px;
  margin-bottom: 18px;
  object-fit: contain;
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px;
}

.app-card__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  margin-bottom: 18px;
  background: var(--blue-soft);
  color: var(--blue);
  border-radius: 50%;
  font-weight: 900;
}

.app-card p,
.audience-grid p,
.timeline p {
  margin: 0;
  color: var(--muted);
}

.fusion-stage {
  position: relative;
  display: grid;
  grid-template-columns: minmax(150px, 1fr) auto minmax(150px, 1fr) auto minmax(210px, 1.2fr);
  align-items: center;
  gap: 18px;
  max-width: 1100px;
  min-height: 260px;
  margin: 34px auto 42px;
  padding: 18px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: linear-gradient(90deg, #ffffff, #f3f8ff, #ffffff);
}

.fusion-node,
.fusion-core {
  display: grid;
  justify-items: center;
  gap: 10px;
  transition: transform 900ms ease, opacity 900ms ease;
}

.fusion-node img {
  width: min(138px, 74%);
}

.fusion-node span,
.fusion-core span {
  color: var(--blue-dark);
  font-weight: 800;
  text-align: center;
}

.fusion-core {
  opacity: 0;
  transform: translateX(-18px) scale(0.86);
}

.fusion-core img {
  width: min(300px, 96%);
  max-height: 190px;
  object-fit: contain;
  filter: drop-shadow(0 20px 28px rgba(7, 91, 234, 0.18));
}

.fusion-node--left {
  transform: translateX(26%);
}

.fusion-node--right {
  transform: translateX(-26%);
}

.fusion-operator {
  color: var(--blue);
  font-size: clamp(2.4rem, 5vw, 4.6rem);
  font-weight: 900;
  line-height: 1;
  opacity: 0.9;
  transform: scale(0.92);
  transition: transform 900ms ease, opacity 900ms ease;
}

.reveal-section.is-visible .fusion-node--left {
  transform: translateX(0);
}

.reveal-section.is-visible .fusion-node--right {
  transform: translateX(0);
}

.reveal-section.is-visible .fusion-core {
  opacity: 1;
  transform: translateX(0) scale(1);
  transition-delay: 420ms;
}

.reveal-section.is-visible .fusion-operator {
  opacity: 1;
  transform: scale(1);
}

.evolution__image {
  margin: 0;
}

.evolution__image img,
.story-layout__image img,
.timeline img,
.media-grid img {
  width: 100%;
  border-radius: 8px;
  border: 1px solid var(--line);
  box-shadow: 0 12px 32px rgba(6, 21, 74, 0.08);
}

.evolution__image img {
  max-height: 380px;
  object-fit: contain;
  background: var(--white);
  padding: clamp(18px, 4vw, 42px);
}

.story-layout__image img {
  max-height: 460px;
  object-fit: contain;
  background: var(--white);
}

.story-layout__image {
  margin: 0;
}

.timeline {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 34px;
}

.timeline img {
  aspect-ratio: 16 / 10;
  margin-top: 18px;
  object-fit: cover;
}

.media-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.evidence-copy {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(18px, 3vw, 34px);
  max-width: 1060px;
  margin: 0 auto 30px;
}

.evidence-copy p {
  margin: 0;
  color: #33405f;
  font-size: 1.06rem;
}

.media-grid img {
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.privacy-note {
  max-width: 900px;
  margin: 18px auto 0;
  color: var(--muted);
  font-size: 0.92rem;
  text-align: center;
}

.referral__box {
  max-width: 860px;
  margin: 0 auto;
  padding: clamp(24px, 4vw, 34px);
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 10px 28px rgba(6, 21, 74, 0.06);
  text-align: center;
}

.referral__box p {
  margin: 0 auto 14px;
  color: #33405f;
  font-size: 1.06rem;
}

.referral__box a {
  color: var(--blue);
  font-weight: 800;
}

.referral__email {
  display: inline-flex;
  margin-top: 10px;
  font-size: 1.12rem;
}

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

.support-card {
  min-height: 100%;
  padding: 24px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 10px 28px rgba(6, 21, 74, 0.06);
}

.support-card p {
  margin: 0 0 18px;
  color: var(--muted);
}

.button--disabled,
.button:disabled {
  cursor: not-allowed;
  opacity: 0.7;
  box-shadow: none;
}

.contact {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 30px;
  align-items: center;
  padding: clamp(52px, 7vw, 82px) clamp(18px, 4vw, 56px);
  background: var(--blue-dark);
  color: var(--white);
}

.contact h2 {
  color: var(--white);
}

.contact p:not(.eyebrow) {
  max-width: 760px;
  color: rgba(255, 255, 255, 0.82);
}

.site-footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
  padding: 24px clamp(18px, 4vw, 56px);
  color: var(--muted);
  border-top: 1px solid var(--line);
}

.site-footer p {
  margin: 0;
}

@media (max-width: 1060px) {
  .hero,
  .intro__grid,
  .evolution__content,
  .story-layout,
  .contact {
    grid-template-columns: 1fr;
  }

  .apps-grid,
  .media-grid,
  .evidence-copy,
  .support-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .contact__actions {
    margin-top: 0;
  }
}

@media (max-width: 760px) {
  body {
    overflow-x: hidden;
  }

  .site-header {
    position: static;
    align-items: flex-start;
    flex-direction: column;
    gap: 10px;
    min-height: auto;
    padding: 12px 16px;
  }

  .brand img {
    width: 132px !important;
    max-width: 132px !important;
    max-height: 50px !important;
  }

  .nav {
    display: flex;
    flex-wrap: wrap;
    width: 100%;
    gap: 8px 14px;
    overflow-x: visible;
    padding-bottom: 0;
    font-size: 0.9rem;
    line-height: 1.2;
  }

  .hero {
    min-height: auto;
    grid-template-columns: 1fr;
    gap: 24px;
    padding: 34px 16px 30px;
  }

  .hero__visual {
    width: 100%;
    max-width: 560px !important;
  }

  .hero__visual img {
    aspect-ratio: 16 / 11;
    max-width: 100% !important;
    max-height: none !important;
    object-fit: contain !important;
    object-position: center;
  }

  h1 {
    font-size: clamp(2.45rem, 13vw, 3.7rem);
    line-height: 1;
  }

  h2 {
    font-size: clamp(1.75rem, 9vw, 2.55rem);
  }

  h3 {
    font-size: 1.08rem;
  }

  .hero__lead,
  .section__heading p:not(.eyebrow),
  .intro__grid p,
  .evolution__copy p,
  .story-layout__text p,
  .evidence-copy p {
    font-size: 1rem;
  }

  .section,
  .video-fusion {
    padding: 46px 16px;
  }

  .section__heading {
    margin-bottom: 24px;
  }

  .hero__actions,
  .contact__actions {
    display: grid;
    grid-template-columns: 1fr;
    width: 100%;
    gap: 10px;
    margin-top: 24px;
  }

  .button {
    width: 100%;
    min-height: 44px;
    padding: 11px 14px;
    text-align: center;
  }

  .video-fusion__frame video {
    max-height: none;
    object-fit: contain;
  }

  .apps-grid,
  .audience-grid,
  .timeline,
  .media-grid,
  .evidence-copy,
  .support-grid {
    grid-template-columns: 1fr;
  }

  .fusion-stage {
    grid-template-columns: 1fr;
    max-width: 460px;
    min-height: auto;
    margin: 28px auto 34px;
    padding: 18px 14px;
  }

  .fusion-node img {
    width: min(128px, 72%);
  }

  .fusion-core img {
    width: min(250px, 94%);
    max-height: 160px;
  }

  .fusion-node--left,
  .fusion-node--right,
  .fusion-core {
    transform: translateY(16px);
  }

  .reveal-section.is-visible .fusion-node--left,
  .reveal-section.is-visible .fusion-node--right,
  .reveal-section.is-visible .fusion-core {
    transform: translateY(0);
  }

  .fusion-operator {
    font-size: 2.4rem;
  }

  .app-card,
  .audience-grid article,
  .support-card {
    padding: 20px;
  }

  .app-card__image {
    height: 108px;
  }

  .media-grid img {
    aspect-ratio: 4 / 3;
  }

  .contact {
    padding: 46px 16px;
  }

  .site-footer {
    padding: 22px 16px;
  }
}