.vissai-home{
  --vissai-ink:#07111f;
  --vissai-muted:#647184;
  --vissai-hairline:rgba(7,17,31,0.11);
  --vissai-red:#cf233a;
  --vissai-blue:#0089cc;
  --vissai-white:#f7f9fb;
  background:#f7f9fb;
  color:var(--vissai-ink);
}

.vissai-home main,
.vissai-home section,
.vissai-home .container{
  min-width:0;
}

.vissai-home .container{
  width:min(100% - 48px, 1240px);
  margin-inline:auto;
  padding-inline:0;
}

.vissai-home::before{
  content:'';
  position:fixed;
  inset:0;
  z-index:-1;
  background:
    radial-gradient(circle at 78% 8%, rgba(0,137,204,0.08), transparent 32%),
    radial-gradient(circle at 15% 36%, rgba(207,35,58,0.055), transparent 34%),
    linear-gradient(rgba(7,17,31,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(7,17,31,0.025) 1px, transparent 1px),
    #f7f9fb;
  background-size:auto, auto, 72px 72px, 72px 72px, auto;
  pointer-events:none;
}

.vissai-home .custom-navbar{
  background:linear-gradient(180deg, rgba(247,249,251,0.96), rgba(247,249,251,0.78));
  border-bottom:0;
  backdrop-filter:blur(20px);
  padding:30px 0 18px;
}

.vissai-home-nav .container{
  display:flex;
  align-items:center;
  justify-content:space-between;
}

.vissai-home .brand-logos{
  max-width:min(44vw, 235px);
}

.vissai-home .brand-logo-vissai{
  height:auto;
  max-height:72px;
}

.vissai-nav-cta{
  color:var(--vissai-ink);
  font-size:0.68rem;
  font-weight:400;
  letter-spacing:0.2em;
  text-decoration:none;
  text-transform:uppercase;
}

.vissai-nav-cta::after{
  content:'';
  display:block;
  width:100%;
  height:1px;
  margin-top:8px;
  background:var(--vissai-blue);
}

.vissai-home .section-mini{
  margin-bottom:22px;
  color:var(--vissai-blue);
  font-size:0.68rem;
  font-weight:400;
  letter-spacing:0.34em;
  text-transform:uppercase;
}

.vissai-stat .section-mini{
  color:var(--vissai-red);
}

.vissai-home h1,
.vissai-home h2,
.vissai-home h3{
  margin:0;
  color:var(--vissai-ink);
  font-weight:400;
  letter-spacing:0;
  text-transform:none;
  overflow-wrap:break-word;
}

.vissai-home h1,
.vissai-home h2{
  font-weight:300;
  text-transform:uppercase;
  letter-spacing:0.08em;
}

.vissai-home h1{
  max-width:620px;
  font-size:clamp(2.35rem, 4.05vw, 4.45rem);
  line-height:1.18;
  letter-spacing:0.14em;
}

.vissai-home h1 span{
  display:block;
  color:var(--vissai-blue);
}

.vissai-home h2{
  font-size:clamp(2.25rem, 3.45vw, 4.1rem);
  line-height:1.14;
}

.vissai-home p{
  color:var(--vissai-muted);
  font-size:1rem;
  line-height:1.82;
  letter-spacing:0;
  overflow-wrap:break-word;
}

.vissai-hero{
  position:relative;
  min-height:920px;
  display:flex;
  align-items:center;
  overflow:hidden;
  background:
    radial-gradient(circle at 64% 42%, rgba(255,255,255,0.98) 0%, rgba(242,246,250,0.78) 34%, transparent 60%),
    linear-gradient(110deg, #ffffff 0%, #f7f9fb 48%, #eef3f7 100%);
}

.vissai-hero::before{
  content:'';
  position:absolute;
  top:-20%;
  left:42%;
  width:22vw;
  height:140%;
  border-radius:50%;
  background:linear-gradient(90deg, transparent, rgba(7,17,31,0.045), transparent);
  filter:blur(3px);
  transform:rotate(14deg);
  pointer-events:none;
}

.vissai-hero .container{
  position:relative;
  z-index:1;
  display:grid;
  grid-template-columns:minmax(0, 0.82fr) minmax(440px, 1.18fr);
  gap:58px;
  align-items:center;
}

.vissai-hero-copy{
  padding:150px 0 96px;
}

.vissai-hero-copy > p:last-of-type{
  max-width:360px;
  margin:38px 0 0;
  color:#697485;
}

.vissai-text-link,
.vissai-box-link{
  display:inline-flex;
  align-items:center;
  gap:28px;
  margin-top:66px;
  color:var(--vissai-blue);
  font-size:0.74rem;
  font-weight:400;
  letter-spacing:0.12em;
  text-decoration:none;
  text-transform:uppercase;
  max-width:100%;
}

.vissai-text-link::after{
  content:'';
  display:block;
  width:140px;
  height:1px;
  background:var(--vissai-blue);
}

.vissai-hero-visual{
  position:relative;
  min-height:650px;
  display:grid;
  place-items:center;
  perspective:1100px;
}

.vissai-hero-ribs{
  position:absolute;
  right:-4vw;
  bottom:74px;
  width:min(54vw, 760px);
  height:460px;
  background:
    repeating-linear-gradient(90deg, rgba(7,17,31,0.035) 0 34px, transparent 34px 68px),
    linear-gradient(90deg, rgba(255,255,255,0.12), rgba(255,255,255,0.92));
  transform:skewY(-18deg);
  filter:drop-shadow(0 32px 42px rgba(7,17,31,0.08));
}

.vissai-hero-logo-scene{
  position:relative;
  width:min(42vw, 560px);
  min-height:420px;
  display:grid;
  place-items:center;
  border:1px solid rgba(7,17,31,0.08);
  border-radius:42px;
  background:
    radial-gradient(circle at 78% 18%, rgba(0,137,204,0.08), transparent 28%),
    radial-gradient(circle at 20% 72%, rgba(207,35,58,0.08), transparent 26%),
    rgba(255,255,255,0.72);
  box-shadow:0 44px 72px rgba(7,17,31,0.12);
}

.vissai-hero-logo-scene::after{
  content:'';
  position:absolute;
  left:12%;
  right:12%;
  bottom:-34px;
  height:52px;
  background:radial-gradient(ellipse, rgba(7,17,31,0.18), transparent 68%);
}

.vissai-hero-logo-scene img{
  position:relative;
  z-index:1;
  width:min(78%, 420px);
  filter:drop-shadow(0 22px 30px rgba(7,17,31,0.08));
}

.vissai-stat{
  padding:118px 0 92px;
  background:#ffffff;
  text-align:center;
}

.vissai-stat-inner{
  max-width:760px;
  margin:0 auto;
}

.vissai-stat-number{
  color:var(--vissai-red);
  font-size:clamp(8rem, 18vw, 17rem);
  font-weight:300;
  line-height:0.82;
  letter-spacing:0.05em;
}

.vissai-stat-label{
  margin-top:16px;
  color:var(--vissai-red);
  font-size:clamp(1.9rem, 3.2vw, 3.1rem);
  font-weight:400;
  letter-spacing:0.34em;
  text-transform:uppercase;
}

.vissai-stat p{
  max-width:340px;
  margin:34px auto 0;
}

.vissai-stat small{
  display:block;
  margin-top:18px;
  color:#7d8795;
  font-size:0.78rem;
  letter-spacing:0.02em;
}

.vissai-story{
  padding:94px 0 86px;
  background:#ffffff;
}

.vissai-story-grid{
  display:grid;
  grid-template-columns:minmax(360px, 0.72fr) minmax(0, 1fr);
  gap:72px;
  align-items:start;
}

.vissai-question-grid{
  display:grid;
  grid-template-columns:minmax(260px, 0.42fr) minmax(360px, 0.58fr);
  gap:84px;
  align-items:center;
}

.vissai-story-intro{
  position:relative;
  padding-top:18px;
}

.vissai-story-intro h2{
  max-width:620px;
  font-size:clamp(2.75rem, 4.2vw, 5.15rem);
  line-height:1.17;
  letter-spacing:0.13em;
}

.vissai-story-intro::before{
  content:'';
  position:absolute;
  top:0;
  right:100%;
  width:92px;
  height:2px;
  margin-right:54px;
  background:var(--vissai-blue);
}

.vissai-question-intro{
  grid-column:1;
}

.vissai-question-quote{
  position:relative;
  margin:0;
  padding:44px 48px;
  color:#4f5d70;
  border:1px solid rgba(0,137,204,0.22);
  border-left:3px solid var(--vissai-blue);
  background:rgba(255,255,255,0.78);
  box-shadow:0 26px 70px rgba(7,17,31,0.08);
  font-size:clamp(1.35rem, 1.8vw, 2rem);
  line-height:1.62;
  letter-spacing:0.04em;
}

.vissai-question-quote::before{
  content:'\0022';
  position:absolute;
  left:26px;
  top:10px;
  color:rgba(0,137,204,0.24);
  font-size:5rem;
  line-height:1;
}

.vissai-story blockquote:not(.vissai-question-quote){
  margin:34px 0 0;
  padding-bottom:28px;
  color:#647184;
  border-bottom:1px solid var(--vissai-blue);
  font-size:1rem;
  line-height:1.75;
}

.vissai-story .vissai-question-quote{
  margin:0;
  padding:44px 48px;
  color:#4f5d70;
  border:1px solid rgba(0,137,204,0.22);
  border-left:3px solid var(--vissai-blue);
  background:rgba(255,255,255,0.78);
  box-shadow:0 26px 70px rgba(7,17,31,0.08);
  font-size:clamp(1.35rem, 1.8vw, 2rem);
  line-height:1.62;
  letter-spacing:0.04em;
}

.vissai-story .vissai-question-quote::before{
  content:'\0022';
}

.vissai-story-copy{
  display:grid;
  grid-template-columns:repeat(2, minmax(0, 1fr));
  gap:56px;
  padding-top:54px;
}

.vissai-story-copy p{
  margin:0;
  max-width:470px;
}

.vissai-breach{
  padding:0;
  background:#eef3f7;
}

.vissai-crack-scene{
  position:relative;
  min-height:520px;
  display:flex;
  align-items:center;
  overflow:hidden;
  background:
    linear-gradient(90deg, rgba(255,255,255,0.86), rgba(255,255,255,0.18) 42%, rgba(255,255,255,0.84)),
    linear-gradient(112deg, transparent 0 38%, rgba(7,17,31,0.12) 38% 62%, transparent 62%),
    repeating-linear-gradient(90deg, rgba(255,255,255,0.56) 0 42px, rgba(224,231,238,0.42) 42px 84px),
    #e7edf3;
  box-shadow:inset 0 1px 0 rgba(7,17,31,0.08), inset 0 -1px 0 rgba(7,17,31,0.08);
}

.vissai-crack-copy{
  max-width:330px;
  margin-left:6vw;
}

.vissai-crack-copy h2{
  font-size:clamp(2rem, 3.2vw, 3.4rem);
  font-family:Georgia, 'Times New Roman', serif;
  line-height:1.12;
}

.vissai-crack-copy h2 span{
  display:block;
  margin-top:16px;
  color:var(--vissai-red);
}

.vissai-crack{
  position:absolute;
  left:50%;
  top:0;
  width:4px;
  height:100%;
  background:
    linear-gradient(170deg, transparent 0 8%, #ff5368 8% 11%, transparent 11% 18%, #cf233a 18% 21%, transparent 21% 30%, #ff5368 30% 34%, transparent 34% 44%, #cf233a 44% 47%, transparent 47% 58%, #ff5368 58% 61%, transparent 61% 70%, #cf233a 70% 74%, transparent 74% 100%);
  filter:drop-shadow(0 0 12px rgba(207,35,58,0.84));
  transform:translateX(-50%);
}

.vissai-crack::before,
.vissai-crack::after{
  content:'';
  position:absolute;
  left:50%;
  width:120px;
  height:2px;
  background:linear-gradient(90deg, transparent, rgba(207,35,58,0.9), transparent);
  transform-origin:left center;
}

.vissai-crack::before{
  top:32%;
  transform:rotate(-42deg);
}

.vissai-crack::after{
  top:66%;
  transform:rotate(38deg);
}

.vissai-principle{
  padding:64px 0;
  background:#ffffff;
}

.vissai-pillars{
  display:grid;
  grid-template-columns:repeat(3, 1fr);
  gap:0;
}

.vissai-pillars article{
  min-height:142px;
  padding:0 7vw;
  border-right:1px solid var(--vissai-hairline);
}

.vissai-pillars article:last-child{
  border-right:0;
}

.vissai-pillars span{
  display:block;
  margin-bottom:18px;
  color:#526071;
  font-size:0.74rem;
  letter-spacing:0.08em;
}

.vissai-pillars span::after{
  content:'';
  display:block;
  width:24px;
  height:2px;
  margin-top:18px;
  background:var(--vissai-blue);
}

.vissai-pillars h3{
  font-family:Georgia, 'Times New Roman', serif;
  font-size:clamp(2rem, 2.6vw, 3.2rem);
  line-height:1.05;
}

.vissai-lishchain{
  position:relative;
  padding:108px 0 116px;
  overflow:hidden;
  background:
    radial-gradient(circle at 76% 48%, rgba(0,137,204,0.1), transparent 28%),
    linear-gradient(135deg, #ffffff 0%, #f3f7fa 100%);
}

.vissai-lishchain::before{
  content:'';
  position:absolute;
  inset:0;
  background:
    linear-gradient(rgba(7,17,31,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(7,17,31,0.025) 1px, transparent 1px);
  background-size:48px 48px;
  pointer-events:none;
}

.vissai-lishchain .container{
  position:relative;
  z-index:1;
}

.vissai-lishchain-grid{
  display:grid;
  grid-template-columns:minmax(300px, 0.68fr) minmax(420px, 1fr);
  gap:72px;
  align-items:center;
}

.vissai-lishchain-copy p{
  max-width:410px;
  margin-top:28px;
}

.vissai-box-link{
  min-width:258px;
  justify-content:space-between;
  margin-top:38px;
  padding:18px 24px;
  border:1px solid var(--vissai-blue);
  background:rgba(255,255,255,0.64);
}

.vissai-device{
  position:relative;
  min-height:420px;
  display:grid;
  place-items:center;
}

.vissai-badge-glow{
  position:absolute;
  width:min(45vw, 560px);
  aspect-ratio:1;
  border-radius:50%;
  background:
    radial-gradient(circle, rgba(0,137,204,0.18), transparent 58%),
    radial-gradient(circle at 36% 28%, rgba(207,35,58,0.12), transparent 32%);
  filter:blur(2px);
}

.vissai-badge-card{
  position:relative;
  z-index:1;
  width:min(40vw, 520px);
  min-height:430px;
  display:grid;
  place-items:center;
  padding:48px;
  border:1px solid rgba(7,17,31,0.1);
  border-radius:0;
  background:
    linear-gradient(135deg, rgba(207,35,58,0.07), transparent 32%),
    linear-gradient(315deg, rgba(0,137,204,0.09), transparent 34%),
    rgba(255,255,255,0.9);
  box-shadow:0 34px 90px rgba(7,17,31,0.12);
  backdrop-filter:blur(14px);
}

.vissai-device-logo{
  position:relative;
  width:min(94%, 440px);
  height:auto;
  object-fit:contain;
  filter:drop-shadow(0 18px 24px rgba(7,17,31,0.08));
}

@media(max-width:1199px){
  .vissai-home .brand-logo-vissai{
    max-height:60px;
  }

  .vissai-home h1{
    max-width:560px;
    font-size:clamp(2.25rem, 4.4vw, 3.75rem);
    letter-spacing:0.11em;
  }

  .vissai-story-intro h2{
    font-size:clamp(2.35rem, 4vw, 4.2rem);
    letter-spacing:0.1em;
  }

  .vissai-hero .container{
    grid-template-columns:minmax(0, 0.92fr) minmax(360px, 1fr);
    gap:42px;
  }

  .vissai-story-grid{
    grid-template-columns:minmax(300px, 0.7fr) minmax(0, 1fr);
    gap:48px;
  }

  .vissai-story-copy{
    gap:34px;
  }
}

@media(max-width:991px){
  .vissai-home .custom-navbar{
    padding:16px 0;
  }

  .vissai-home .brand-logo-vissai{
    max-height:52px;
  }

  .vissai-nav-cta{
    font-size:0.62rem;
    letter-spacing:0.14em;
  }

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

  .vissai-hero .container,
  .vissai-story-grid,
  .vissai-question-grid,
  .vissai-lishchain-grid{
    grid-template-columns:1fr;
  }

  .vissai-hero-copy{
    padding:116px 0 10px;
  }

  .vissai-hero-visual{
    min-height:390px;
  }

  .vissai-hero-logo-scene{
    width:min(620px, 86vw);
    min-height:320px;
  }

  .vissai-hero-ribs{
    right:0;
    bottom:42px;
    width:96vw;
    height:300px;
  }

  .vissai-story,
  .vissai-stat,
  .vissai-principle,
  .vissai-lishchain{
    padding-left:0;
    padding-right:0;
  }

  .vissai-story-intro::before{
    position:static;
    display:block;
    width:56px;
    margin:0 0 22px;
  }

  .vissai-story-intro{
    padding-top:0;
  }

  .vissai-story-copy{
    grid-template-columns:1fr;
    gap:22px;
    padding-top:0;
  }

  .vissai-pillars{
    grid-template-columns:1fr;
  }

  .vissai-pillars article{
    padding:34px 0;
    border-right:0;
    border-bottom:1px solid var(--vissai-hairline);
  }

  .vissai-pillars article:last-child{
    border-bottom:0;
  }

  .vissai-question-grid{
    gap:34px;
  }

  .vissai-question-intro{
    grid-column:auto;
  }

  .vissai-question-quote,
  .vissai-story .vissai-question-quote{
    padding:34px 32px;
  }

  .vissai-crack-scene{
    min-height:430px;
  }

  .vissai-crack-copy{
    max-width:300px;
  }

  .vissai-badge-card{
    width:min(620px, 86vw);
    min-height:340px;
  }
}

@media(max-width:767px){
  .vissai-home .custom-navbar{
    padding:12px 0;
  }

  .vissai-home .brand-logos{
    max-width:190px;
  }

  .vissai-home .brand-logo-vissai{
    max-height:46px;
  }

  .vissai-nav-cta{
    font-size:0.58rem;
    letter-spacing:0.1em;
  }

  .vissai-home .section-mini{
    font-size:0.62rem;
    letter-spacing:0.24em;
  }

  .vissai-home h1{
    max-width:100%;
    font-size:clamp(2rem, 9vw, 3.2rem);
    line-height:1.2;
    letter-spacing:0.08em;
  }

  .vissai-home h2,
  .vissai-story-intro h2{
    font-size:clamp(1.85rem, 8vw, 3rem);
    line-height:1.2;
    letter-spacing:0.075em;
  }

  .vissai-hero-copy{
    padding-top:96px;
  }

  .vissai-text-link,
  .vissai-box-link{
    margin-top:34px;
    gap:16px;
    letter-spacing:0.1em;
  }

  .vissai-text-link::after{
    width:72px;
  }

  .vissai-stat{
    padding:82px 0 72px;
  }

  .vissai-stat-number{
    font-size:clamp(5.8rem, 24vw, 8.8rem);
    letter-spacing:0.02em;
  }

  .vissai-stat-label{
    font-size:clamp(1.25rem, 6vw, 2rem);
    letter-spacing:0.24em;
  }

  .vissai-story{
    padding:72px 0;
  }

  .vissai-story-copy p,
  .vissai-home p{
    font-size:0.96rem;
    line-height:1.72;
  }

  .vissai-question-quote,
  .vissai-story .vissai-question-quote{
    padding:30px 26px;
    font-size:clamp(1.08rem, 4.8vw, 1.45rem);
    line-height:1.58;
  }

  .vissai-question-quote::before{
    left:14px;
    top:4px;
    font-size:3.5rem;
  }

  .vissai-crack-scene{
    min-height:360px;
  }

  .vissai-crack-copy h2{
    font-size:clamp(1.7rem, 7vw, 2.45rem);
  }

  .vissai-pillars h3{
    font-size:clamp(1.85rem, 7vw, 2.5rem);
  }

  .vissai-lishchain{
    padding:78px 0 88px;
  }

  .vissai-badge-card{
    min-height:280px;
    padding:30px;
  }
}

@media(max-width:575px){
  .vissai-home .container{
    width:min(100% - 32px, 1240px);
  }

  .vissai-home h1{
    font-size:clamp(1.78rem, 10.5vw, 2.85rem);
    letter-spacing:0.055em;
  }

  .vissai-home .custom-navbar .container{
    gap:14px;
  }

  .vissai-home .brand-logos{
    max-width:145px;
  }

  .vissai-home .brand-logo-vissai{
    max-height:38px;
  }

  .vissai-nav-cta{
    max-width:132px;
    font-size:0.54rem;
    line-height:1.35;
    text-align:right;
    letter-spacing:0.08em;
  }

  .vissai-hero-logo-scene{
    width:92vw;
    min-height:250px;
    border-radius:26px;
  }

  .vissai-hero-logo-scene img{
    width:min(80%, 300px);
  }

  .vissai-hero-visual{
    min-height:310px;
  }

  .vissai-stat-number{
    font-size:clamp(4.8rem, 25vw, 7.2rem);
  }

  .vissai-crack-copy{
    margin-left:24px;
    margin-right:24px;
  }

  .vissai-badge-card{
    width:92vw;
    min-height:240px;
    padding:22px;
  }

  .vissai-box-link{
    width:100%;
    min-width:0;
  }
}

@media(max-width:420px){
  .vissai-home .brand-logos{
    max-width:124px;
  }

  .vissai-nav-cta{
    max-width:112px;
    font-size:0.5rem;
    letter-spacing:0.06em;
  }

  .vissai-home h1,
  .vissai-home h2,
  .vissai-story-intro h2{
    letter-spacing:0.045em;
  }

  .vissai-home .section-mini{
    letter-spacing:0.18em;
  }

  .vissai-question-quote,
  .vissai-story .vissai-question-quote{
    padding:26px 20px;
  }

  .vissai-crack{
    left:66%;
  }
}