@import url('https://fonts.googleapis.com/css2?family=Poppins:ital,wght@0,500;1,900&display=swap');
*{
    font-family: 'Poppins',cursive;
}
/* Đối với thiết bị di động */
@media screen and (max-width: 574px) {
    .greetings {
        font-size: 3rem;
        font-weight: 500;
        text-align: center;
    }
    .description {
        font-size: 1rem;
    }
    .button a {
        font-size: .5rem;
    }
}

body{
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background-color: black;
    /* Use galaxy background image for the index page */
    background-image: url('../img/galaxy_background.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    width: 100%;
    height: auto;
    color: rgba(255, 255, 255, 0.75);
    font-family: 'Anonymous Pro', monospace;
    background-color: rgb(25, 25, 25);
    
}
/*
 * Position the large "YOU'RE MY ..." greeting lower on the page.  Users reported
 * that the greeting text overlapped with the customization controls on small
 * screens.  Increase the top margin so the text sits comfortably above the
 * form.  The bottom margin remains small to keep the heading and form close
 * together visually.  If you adjust this value, test on both desktop and
 * mobile screen widths to ensure there is no overlap.
 */
.greetings{
    margin: 5rem 0 1rem;
    display: block;
    font-size: 3rem;
    font-weight: 500;
    text-align: center;
}
.greetings > span{
    animation: glow 2.5s ease-in-out infinite;
}
@keyframes glow{
    0%, 100%{
        color: #fff;
        text-shadow: 0 0 12px #39c6d6, 0 0 50px #39c6d6, 0 0 100px #39c6d6;
    }
    10%, 90%{
        color: #111;
        text-shadow: none;
    }
}
.greetings > span:nth-child(2){
    animation-delay: .2s ;
}
.greetings > span:nth-child(3){
    animation-delay: .4s ;
}
.greetings > span:nth-child(4){
    animation-delay: .6s;
}
.greetings > span:nth-child(5){
    animation-delay: .8s;
}
.greetings > span:nth-child(6){
    animation-delay: 1s ;
}
.greetings > span:nth-child(7){
    animation-delay: 1.2s ;
}
.greetings > span:nth-child(8){
    animation-delay: 1.4s;
}
.greetings > span:nth-child(9){
    animation-delay: 1.6s;
}

.description{
    font-size: 1.5rem;
    margin-bottom: 20px;
}

.button a{
    text-decoration: none;
    font-size: 1rem;
    color: #111;
}


#letter{
    letter-spacing: -0.2em;
}
@media screen and (max-width:574px){
    .greetings{
        display: block;
        font-size: 3rem;
        font-weight: 500;
        text-align: center;
    }
    .description{
        font-size: 1rem;
    }
    
    .button a{
        font-size: .5rem;
    }
}

@keyframes rotate {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}

.rotate {
    animation: rotate 10s linear infinite; /* Xoay trong 10 giây vô hạn lần */
    width: 100px; /* Kích thước của hình hoa */
    height: 100px;
    /* Use relative path for the flower image so it resolves correctly */
    background: url('../img/flower_white.png') no-repeat center center; /* Đặt hình ảnh hoa làm nền */
    background-size: cover; /* Đảm bảo hình ảnh hoa nền bao phủ hoàn toàn */
}
.flower {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: #fff;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
  }

.petal {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background-color: #fff;
    position: absolute;
  }
/* Google Fonts */
@import url(https://fonts.googleapis.com/css?family=Anonymous+Pro);

/* Global */
html{
  min-height: 100%;
  overflow: hidden;
}
body{
  height: calc(100vh - 8em);
  color: rgba(255,255,255,.75);
  font-family: 'Anonymous Pro', monospace;
  background-color: rgb(25,25,25);
  /* Use galaxy background image for the index page */
  background-image: url('../img/galaxy_background.jpg');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

/* Starry night overlay for the front page */
#nightStars {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  /* Use two offset radial gradients to create a scattered star pattern. Each gradient draws small white dots on a dark background. */
  /* Define a denser star field by using slightly larger dots and wider spacing */
  /* Starry pattern: small white dots on a transparent background. Two offset radial gradients are used
     to stagger the stars. The base is transparent so the dark body background shows through. */
  background:
    radial-gradient(rgba(255, 255, 255, 0.9) 1px, transparent 1px) 0 0/6px 6px,
    radial-gradient(rgba(255, 255, 255, 0.9) 1px, transparent 1px) 3px 3px/6px 6px;
  /* Place the starry layer beneath the main content but above the page background */
  z-index: 0;
  pointer-events: none;
  /* Hide the star overlay now that we use a galaxy background */
  display: none;
}
.line-1{
    position: relative;
    top: 50%;  
    width: 50em;
    margin: 0 auto;
    border-right: 2px solid rgba(255,255,255,.75);
    font-size: 120%;
    text-align: center;
    white-space: nowrap;
    overflow: hidden;
    transform: translateY(-50%);    
}



/* Animation */
.anim-typewriter{
  animation: typewriter 4s steps(44) 1s 1 normal both,
             blinkTextCursor 500ms steps(44) infinite normal;
}
@keyframes typewriter{
  from{width: 0;}
  to{width: 50em;}
}
@keyframes blinkTextCursor{
  from{border-right-color: rgba(255,255,255,.75);}
  to{border-right-color: transparent;}
}
.csstext{
    display: flex;
    width: 95%;
    font-family: 'Anonymous Pro', monospace;
    font-size: 12pt;
    text-align: center;
    white-space: normal;
    justify-content: center;
    padding: 28px 45%;
    letter-spacing: 1px;
    color: #fff;
    font-weight: normal;
    
}
@media screen and (max-width: 574px) {
    .csstext{
        padding: 2em; /* Thay đổi độ dày lề cho thiết bị di động */
    font-size: 12pt; /* Điều chỉnh kích thước phông chữ cho thiết bị di động */
    text-align: center; /* Căn giữa văn bản cho thiết bị di động */
    width: 100%; /* Sử dụng toàn bộ chiều rộng cho thiết bị di động */
    letter-spacing: 0.5px; /* Điều chỉnh khoảng cách giữa các chữ cái */
    }
}
#pp_letter{
    color:#fff;
    letter-spacing: 1px;
    color:#fff; text-decoration: none;
}
.spacing_01{

    padding: 0 3rem;
}
/* CSS cho thiết bị di động */
@media (max-width: 768px) {
    .mobile-break {
      display: block; /* Hiển thị thẻ <br> trên thiết bị di động */
    }
  }
  
  /* CSS cho các thiết bị khác */
  @media (min-width: 769px) {
    .mobile-break {
      display: none; /* Ẩn thẻ <br> trên các thiết bị khác */
    }
  }