:root {
  --primary-color: #017bf6;
  --text-dark: #0a0a0a;
  --white: #ffffff;
  --max-width: 1200px;
}

* {
  padding: 0;
  margin: 0;
  box-sizing: border-box;
}

.btn {
  padding: 0.75rem 1.5rem;
  outline: none;
  border: none;
  font-size: 1rem;
  color: white;
transform: translate(-50%, -50%);
backdrop-filter: blur(15px);
background: rgba(255,255,255,0.05);
  border-radius: 5px;
  transition: 0.3s;
  cursor: pointer;
}

.btn:hover {
  background-color: rgba(1, 123, 246, 9);
}

img {
  display: flex;
  width: 100%;
}

a {
  text-decoration: none;
  transition: 0.3s;
}

html,
body {
  scroll-behavior: smooth;

    background: #03182b;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
}

body {
  font-family: "Poppins", sans-serif;
	
}

.header {
  position: relative;
  isolation: isolate;
}

nav {
  position: absolute;
  width: 100%;
  max-width: var(--max-width);
  top: 0;
  left: 50%;
  transform: translate(-50%);
  padding: 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  z-index: 9;
}

.nav__logo a img {
  max-width: 240px;
}

.nav__logo .logo-color {
  display: none;
}

.nav__links {
  list-style: none;
  position: absolute;
  right: 1rem;
  top: 75px;
  width: 100%;
  max-width: 350px;
  padding: 2rem;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  flex-direction: column;
  color: white;


  border-radius: 1rem;
  display: none;
}

.nav__links.open {
  display: flex;
}

.nav__links a {
  white-space: nowrap;
  font-weight: 500;
  color: var(--white);
}

.nav__links a:hover {
  color: var(--text-dark);
}

.nav__menu__btn {
  padding: 5px 11px;
  font-size: 1.5rem;
  color: white;

background: rgba(255,255,255,0.05);
  border: 1px solid var(--white);
  border-radius: 5px;
}

.header__container {
  display: grid;
}

.header__image {
  position: relative;
  isolation: isolate;
  min-height: max(75vh, 500px);
  background-position: center center;
  background-repeat: no-repeat;
  background-size: cover;
  border-bottom-left-radius: 8rem;
}

.header__image::after {
  position: absolute;
  content: "";
  top: 0;
  left: 0;
  height: 100%;
  width: 0;
  background-color: var(--primary-color);
  z-index: 1;
  animation: scroll-right 0.5s 0.3s linear forwards;
}

.header__image.reveal {
  background-image: url("assets/header-2.png");
  opacity: 0.5;
	
}

.header__image.reveal::after {
  left: unset;
  right: 0;
  animation: scroll-left 0.5s linear forwards;
}

@keyframes scroll-right {
  0% {
    width: 0;
  }
  100% {
    width: 100%;
  }
}

@keyframes scroll-left {
  0% {
    width: 100%;
  }
  100% {
    width: 0;
  }
}

.header__contents {
  text-align: center;
  padding: 4rem 2rem;
}

.header__contents h1 {
  font-size: 4rem;
  font-weight: 700;
  line-height: 3rem;
  color: var(--white);
  padding-bottom: 2rem;
}
.content h1 {
  font-size: 3rem;
  font-weight: 400;
  line-height: 2rem;
  color: var(--white);
  padding-bottom: 3rem;
}

.header__contents h2 {
  margin-bottom: 0rem;
  font-size: 2rem;
  font-weight: 200;
  line-height: 2rem;
  color: var(--white);
  padding-bottom: 1rem;
	font-family: "Poppins", sans-serif;
}

.header__contents p {
  color: var(--white);
}

.banner {
  margin-top: 5rem;
  display: grid;
}

.banner__card {
  padding: 2rem;
}

.banner__card:nth-child(1) {
  position: relative;
  isolation: isolate;
  padding-block: 5rem;
  background-color: #4d4d4d;
}

.banner__card:nth-child(2) {
  background-color: #4d4d4d;
}

.banner__card:nth-child(3) {
  background-color: #3c3c3c;
}

.banner__card:nth-child(4) {
  background-color: #3c3c3c;
}

.banner__card h4 {
  font-size: 1.2rem;
  font-weight: 500;
  color: var(--white);
}

.banner__card p {
  margin-bottom: 0.5rem;
  font-size: 0.9rem;
  color: var(--white);
}

.banner__card a {
  font-size: 1rem;
  font-weight: 600;
  color: var(--white);
}

.banner__contents {
  position: absolute;
  bottom: 0;
  left: 0;
  height: calc(100% + 4rem);
  width: 100%;
  padding-top: 4rem;
  padding-right: 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  z-index: 1;
  background-color: var(--primary-color);
  border-top-right-radius: 100%;
}

.banner__contents h2 {
  font-size: 6rem;
  font-weight: 700;
  line-height: 5rem;
  color: var(--white);
}

.banner__contents p {
  font-weight: 500;
  color: var(--white);
}

.banner__content h3 {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--white);
}

@media (width > 540px) {
  .header__image {
    min-height: max(75vh, 550px);
  }

  .banner {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (width > 768px) {
  nav {
    padding: 2rem 1rem;
  }

  .nav__logo .logo-color {
    display: flex;
  }

  .nav__logo .logo-white {
    display: none;
  }

  .nav__menu__btn {
    display: none;
  }

  .nav__links {
    padding: 0.75rem 3rem;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    display: flex;
    gap: 3rem;
    flex-direction: row;
    max-width: fit-content;
    border-radius: 5rem;
    background-color: rgba(1, 123, 246, 9);
  }

  .header__container {
    display: grid;
    grid-template-columns:
      minmax(1rem, 1fr)
      minmax(0, calc(var(--max-width) * 0.4))
      minmax(0, calc(var(--max-width) * 0.6))
      minmax(1rem, 1fr);
    align-items: center;
  }

  .header__image {
    min-height: max(75vh, 650px);
    grid-area: 1/3/2/5;
  }

  .header__contents {
    text-align: left;
    padding-top: 10rem;
    grid-column: 2/3;
  }

  .header__contents h1 {
    font-size: 5rem;
    line-height: 4rem;
  }

  .header__contents h2 {
    font-size: 5rem;
    line-height: 4rem;
  }

  .banner {
    display: grid;
    grid-template-columns:
      minmax(1rem, 1fr)
      minmax(0, calc(var(--max-width) / 4))
      minmax(0, calc(var(--max-width) / 4))
      minmax(0, calc(var(--max-width) / 4))
      minmax(0, calc(var(--max-width) / 4))
      minmax(1rem, 1fr);
    background-color: #0080ff;
  }

  .banner__card:nth-child(1) {
    grid-column: 1/3;
  }
}

@media (width > 1024px) {
  .nav__links {
    padding: 0.75rem 4rem;
    gap: 4rem;
  }
}