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

:root {
    --bg: #e8ddd8;
    --white: #ffffff;
    --btn: #5bc4e0;
    --btn-hover: #38afd0;
    --text-dark: #1a1a1a;
    --shadow: rgba(0, 0, 0, 0.12);
}

body {
    min-height: 100vh;
    background-color: var(--bg);
    font-family: 'DM Sans', sans-serif;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    position: relative;
}

.circle-tl {
    position: fixed;
    top: -80px;
    left: -80px;
    width: 260px;
    height: 260px;
    background: var(--white);
    border-radius: 50%;
    opacity: 0%;
    animation: fadeIn 0.8s ease 0.1s forwards;
}

.circle-br {
    position: fixed;
    bottom: -80px;
    right: -60px;
    width: 220px;
    height: 220px;
    background: var(--white);
    border-radius: 50%;
    opacity: 0%;
    animation: fadeIn 0.8s ease 0.2s forwards;
}

.container {
    position: relative;
    z-index: 10;
    text-align: center;
    padding: 60px 80px;
}

h1 {
    font-family: 'Playfair Display', serif;
    font-size: clamp(2.8rem, 6vw, 4.5rem);
    font-weight: 900;
    color: var(--text-dark);
    letter-spacing: -1px;
    margin-bottom: 56px;
    opacity: 0;
    transform: translateY(20px);
    animation: slideUp 0.7s ease 0.3s forwards;
}

.btn-grid {
      display: flex;
      gap: 20px;
      justify-content: center;
      flex-wrap: wrap;
}

.btn {
      background: var(--btn);
      color: var(--white);
      border: none;
      border-radius: 10px;
      padding: 0 32px;
      height: 60px;
      min-width: 140px;
      font-family: 'DM Sans', sans-serif;
      font-size: 1rem;
      font-weight: 500;
      text-align: center;
      text-decoration: none;
      cursor: pointer;
      letter-spacing: 0.3px;
      box-shadow: 0 4px 16px rgba(91,196,224,0.3);
      transition: background 0.2s, transform 0.18s, box-shadow 0.2s;
      opacity: 0;
      transform: translateY(16px);
      display: flex;
      align-items: center;
      justify-content: center;

}

.btn:nth-child(1) { 
    animation: slideUp 0.6s ease 0.5s forwards; 
}
.btn:nth-child(2) { 
        animation: slideUp 0.6s ease 0.6s forwards; 
}
.btn:nth-child(3) {
         animation: slideUp 0.6s ease 0.7s forwards; 
}
.btn:nth-child(4) {
     animation: slideUp 0.6s ease 0.8s forwards; 
}

.btn:hover {
      background: var(--btn-hover);
      transform: translateY(-3px);
      box-shadow: 0 8px 24px rgba(91,196,224,0.4);
}

.btn:active {
      transform: translateY(0);
      box-shadow: 0 2px 8px rgba(91,196,224,0.2);
}

@keyframes fadeIn {
      to { opacity: 1; }
}

@keyframes slideUp {
      to { opacity: 1; transform: translateY(0); }
}


/* bidan html */
.display {
    align-items: center;
    justify-content: center;
    padding: 10rem;
}