:root{
  --text:#1f2531;
  --white:#ffffff;
  --blue:#2a58e5;
  --blue-dark:#01304C;
  --blue-soft:#eaf0fb;
  --border:#c9d4e8;
  --container:1180px;
}

*{box-sizing:border-box}

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

body{
  font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;
  color:var(--text);
  background:var(--white);
  line-height:1.42;
}

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

.brandbar{
  background:#fff;
  border-bottom:1px solid #eef2f8;
}

.brandbar__inner{
  width:min(var(--container), calc(100vw - 32px));
  margin-inline:auto;
  padding:6px 0 5px;
}

.brandbar__img{
  display:block;
  width:560px;
  max-width:100%;
  height:auto;
}

.hero{
  position:relative;
  overflow:hidden;
  background:#1a5ee8;
}

.hero__bg{
  position:absolute;
  inset:0;
  background:
    linear-gradient(180deg, rgba(40, 99, 235, .18), rgba(12, 59, 165, .5)),
    url("assets/hero-bg.webp") center/cover no-repeat;
}

.hero__content{
  position:relative;
  z-index:1;
  padding:42px 0 36px;
  color:#fff;
  text-align:center;
}

.hero__title{
  margin:0 auto 40px;
  font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;
  font-size:clamp(34px, 4.7vw, 66px);
  line-height:1.05;
  font-weight:700;
  letter-spacing:.01em;
}

.hero__subtitle{
  max-width:980px;
  margin:0 auto 10px;
  font-size:clamp(20px, 2.2vw, 30px);
  line-height:1.2;
  font-weight:600;
}

.hero__meta{
  margin:0 auto;
  font-size:clamp(18px, 1.9vw, 26px);
  line-height:1.2;
}

.banner{
  background:#fff;
  margin-top:6px;
}

.banner__img{
  display:block;
  width:100%;
  height:auto;
}

.sec-webinar{
  background:#fff;
  padding:22px 0 48px;
}

.sec-webinar__text{
  font-size:clamp(18px, 1.62vw, 21px);
}

.sec-webinar__text p{
  margin:0 0 22px;
}

.sec-webinar__info{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:22px;
  margin:8px 0 22px;
  padding:18px 28px;
  background:var(--blue-soft);
}

.info__title{
  margin-bottom:6px;
  font-size:clamp(20px, 1.8vw, 24px);
  font-weight:800;
}

.info__col p{
  margin:0;
  font-size:clamp(18px, 1.5vw, 20px);
  line-height:1.32;
}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border:0;
  border-radius:2px;
  padding:14px 34px;
  font-size:20px;
  font-weight:600;
  line-height:1;
  text-decoration:none;
  cursor:pointer;
  transition:transform .06s ease, opacity .2s ease;
}

.btn--primary{
  background:var(--blue);
  color:#fff;
}

.btn--primary:hover{
  opacity:.96;
}

.btn--primary:active{
  transform:translateY(1px);
}

.btn--wide{
  display:block;
  margin:18px auto 0;
}

.reg-accordion{
  text-align:center;
}

.reg-accordion > summary{
  list-style:none;
}

.reg-accordion > summary::-webkit-details-marker{
  display:none;
}

.reg-accordion__panel{
  overflow:hidden;
  max-height:0;
  padding:0;
  transition:max-height .35s ease, padding .35s ease;
  text-align:left;
}

.reg-accordion[open] .reg-accordion__panel{
  max-height:1200px;
  margin-top:24px;
  padding:22px 24px;
  background:var(--blue-soft);
}

.reg-accordion[open] > summary{
  display:none;
}

.reg-form{
  max-width:820px;
  margin:0 auto;
}

.reg-form__title{
  margin:0 0 14px;
  font-size:24px;
  font-weight:800;
}

.reg-form__row{
  display:block;
  margin:10px 0;
}

.reg-form input{
  width:100%;
  height:52px;
  padding:12px 14px;
  border:1px solid var(--border);
  border-radius:2px;
  font-size:16px;
  outline-color:#5b7cff;
}

.footer{
  padding:25px 0;
  background:var(--blue-dark);
  color:#fff;
  text-align:center;
  font-size:18px;
}

.footer p{
  margin:0;
}

.modal{
  position:fixed;
  inset:0;
  z-index:1000;
  display:none;
}

.modal.is-open{
  display:block;
}

.modal__backdrop{
  position:absolute;
  inset:0;
  background:rgba(17, 24, 39, .55);
  backdrop-filter:saturate(1.05) blur(2px);
}

.modal__dialog{
  position:relative;
  margin:auto;
  top:12vh;
  width:calc(100% - 32px);
  max-width:520px;
  padding:24px 22px 18px;
  border-radius:14px;
  background:#fff;
  box-shadow:0 24px 72px rgba(2, 6, 23, .28);
  transform:translateY(-8px);
  opacity:0;
  transition:opacity .18s ease, transform .18s ease;
  text-align:center;
}

.modal.is-open .modal__dialog{
  transform:translateY(0);
  opacity:1;
}

.modal__title{
  margin:0 0 8px;
  font-size:22px;
  font-weight:800;
}

.modal__text{
  margin:0 0 16px;
  color:#111827;
}

.modal__close{
  position:absolute;
  top:8px;
  right:10px;
  width:36px;
  height:36px;
  border:0;
  background:transparent;
  color:#333;
  font-size:28px;
  line-height:1;
  cursor:pointer;
}

.hp-field{
  position:absolute !important;
  left:-9999px !important;
  width:1px !important;
  height:1px !important;
  opacity:0 !important;
  pointer-events:none !important;
}

@media (max-width:900px){
  .sec-webinar__info{
    grid-template-columns:1fr;
  }
}

@media (max-width:640px){
  .container{
    width:min(var(--container), calc(100vw - 24px));
  }

  .brandbar__inner{
    width:min(var(--container), calc(100vw - 24px));
    padding:8px 0 6px;
  }

  .brandbar__img{
    width:388px;
  }

  .hero__content{
    padding:34px 0 26px;
  }

  .hero__title{
    max-width:10ch;
    margin:0 auto 30px;
    font-size:clamp(24px, 10.2vw, 42px);
    line-height:1.08;
    text-wrap:balance;
  }

  .hero__subtitle{
    max-width:290px;
    margin:0 auto 10px;
    font-size:clamp(15px, 5.7vw, 20px);
    line-height:1.15;
  }

  .hero__meta{
    max-width:290px;
    font-size:clamp(15px, 5vw, 18px);
    line-height:1.15;
  }

  .sec-webinar{
    padding:16px 0 32px;
  }

  .sec-webinar__text{
    font-size:16px;
  }

  .sec-webinar__text p{
    margin-bottom:16px;
  }

  .sec-webinar__info{
    gap:14px;
    padding:16px 14px;
    margin-bottom:18px;
  }

  .info__title{
    font-size:18px;
  }

  .info__col p{
    font-size:16px;
  }

  .btn{
    padding:13px 28px;
    font-size:18px;
  }

  .reg-accordion[open] .reg-accordion__panel{
    margin-top:18px;
    padding:18px 14px;
  }

  .reg-form__title{
    font-size:20px;
  }

  .modal__dialog{
    top:20vh;
    width:calc(100% - 24px);
    padding:20px 18px 16px;
  }
}