:root {
  --primary: #b6895b;
  --bg: #010101;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  outline: none;
  border: none;
  text-decoration: none;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Poppins", sans-serif;
  background-color: var(--bg);
  color: #fff;
}

header {
  display: inline;
}

.jumbotron {
  font-size: 20px;
  padding: 60px;
  background-color: var(--primary);
  text-align: center;
  color: white;
}

/* Navbar */
.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.4rem 7%;
  background-color: rgba(1, 1, 1, 0.8);
  border-bottom: 1px solid #513c28;
  position: sticky;
  top: 0;
  left: 0;
  right: 0;
  z-index: 9999;
}

.navbar .navbar-logo {
  font-size: 2rem;
  font-weight: 700;
  color: #fff;
  font-style: italic;
}

.navbar-nav {
  display: flex;
  justify-content: center;
  align-items: center; 
  margin: 0 auto; 
  gap: 1.5rem; 
}

.navbar .navbar-logo span {
  color: var(--primary);
}

.navbar .navbar-nav a {
  color: #fff;
  display: inline-block;
  font-size: 1.4rem;
  margin: 0 1rem;
}

.navbar .navbar-nav a:hover {
  color: var(--primary);
}

.navbar .navbar-nav a::after {
  content: "";
  display: block;
  padding-bottom: 0.5rem;
  border-bottom: 0.1rem solid var(--primary);
  transform: scaleX(0);
  transition: 0.2s linear;
}

.navbar .navbar-nav a:hover::after {
  transform: scaleX(0.5);
}

.navbar .navbar-extra a {
  color: #fff;
  margin: 0 0.5rem;
}

.navbar .navbar-extra a:hover {
  color: var(--primary);
}

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  background-image: url("../img/header.jpg");
  background-repeat: no-repeat;
  background-size: cover;
  background-position: center;
  position: relative;
}

.hero::after {
  content: "";
  display: block;
  position: absolute;
  width: 100%;
  height: 30%;
  bottom: 0;
  background: linear-gradient(
    0deg,
    rgba(1, 1, 3, 1) 8%,
    rgba(255, 255, 255, 0) 50%
  );
}

.hero .hero-content {
  padding: 1.4rem 7%;
  max-width: 60rem;
}

.hero .hero-content span{
  font-family: 'Times New Roman', Times, serif;
  font-size: 3rem;
  color: #fff;
  text-shadow: 1px 1px 3px rgba(1, 1, 3, 0.5);
  line-height: 1.2;
}

.hero .hero-content h1{
  font-family: 'Franklin Gothic Medium', 'Arial Narrow', Arial, sans-serif ;
  font-size: 2rem;
  color: #fff;
  text-shadow: 1px 1px 3px rgba(1, 1, 3, 0.5);
  line-height: 1.2;
}

.hero .hero-content p {
  font-family: 'pacifico', sans-serif;
  font-size: 4rem;
  margin-top: 1rem;
  line-height: 1.4;
  font-weight: 100;
  text-shadow: 1px 1px 3px rgba(1, 1, 3, 0.5);
}

.hero .hero-content .push {
  margin-top: 1rem;
  display: inline-block;
  padding: 1rem 3rem;
  font-size: 1.4rem;
  color: #fff;
  background-color: var(--primary);
  border-radius: 0.5rem;
  box-shadow: 1px 1px 3px rgba(1, 1, 3, 0.5);
}

.hero .hero-content .push:hover {
  background-color: var(--bg);
}

/* About Section */
.about h2 {
  color: var(--primary);
  text-align: center;
  font-size: 2.6rem;
  margin-bottom: 3rem;
}

.about h2 {
  color: white;
}

.about,
.contact  {
  position: relative;
  min-height: 85vh;
  padding: 8rem 7% 1.4rem;
}

.card {
  box-shadow: 0 4px 8px 10px rgba(92, 92, 92, 0.2);
  border-radius: 5px;
  padding: 20px;
  text-align: justify;
  margin-right: 20rem;
}

.about span {
  color: var(--primary);
}

.about .row {
  display: flex;
  flex: 1 1 45rem;
  width: 200px;
  border-radius: 50%;
}

.about .row .content {
  flex: 1 1 35rem;
  padding: 0 1rem;
}

.about .row .content h3 {
  font-size: 1.8rem;
  margin-bottom: 1rem;
}

.about .row .content pre {
  margin-bottom: 0.8rem;
  text-align: auto;
  justify-items: auto;
  font-size: 1.5rem;
  font-weight: 100;
  line-height: 1.6;
}

/* Aside */
aside {
    position: absolute; 
    top: 40%; 
    right: 2%;
    background-color: var(--primary);
    color: #fff;
    padding: 1.4rem 2rem;
    border-radius: 5px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    width: 18rem; 
    text-align: left;
}

h3{
  font-size: 3rem;
}

aside {
    font-size: 1rem;
    margin-bottom: 1rem;
    text-align: center;
}

aside ul {
    list-style: none;
    padding: 0;
}

aside .aside-img {
  width: 100% !important; 
  height: auto !important; 
  max-width: 250px; 
  display: block; 
  margin: 0 auto; 
  border-radius: 10px; 
}

aside .aside-img img {
  width: 200px;
  border-radius: 50%;
}

aside .title {
  color: var(--bg);
}

aside .value {
  color:#fff;
}

/* Result Section */
.result {
  min-height: 85vh;
  padding: 8rem 7% 1.4rem;
}

.result h2 {
  color: var(--primary);
  text-align: center;
  font-size: 2.6rem;
  margin-bottom: 3rem;
}

.result h3 {
  font-size: 2rem;
  text-decoration: underline #b6895b;
  text-underline-offset: 1rem;
}

.result .container {
  width: 80%;
  height: 200px;
  padding: 20px;
  margin-left: 15rem;
  font-size: 1.5rem;
  border: 1px solid #fff;
}

.container p {
  font-family: 'Times New Roman', Times, serif;
  font-style: italic;
  color: darkgrey;
}

.container span {
  font-size: 100%;
}

.container .study {
  margin-bottom: 20px;
}

/* Contact Section */
.contact h2 {
  color: var(--primary);
  text-align: center;
  font-size: 2.6rem;
  margin-bottom: 3rem;
  color: white;
}

.contact span {
  color: var(--primary);
}

.contact p {
  font-family: 'Times New Roman', Times, serif;
  font-size: 2rem;
  color: white;
}

.contact .row {
  min-height: 85vh;
  max-width: 700px;
  display: flex; 
  justify-content: center; 
  align-items: center; 
  padding: 0 1rem;
  margin: 2rem auto;
  width: 100%;
  background-color: #222;
}

.contact .row form {
  display: flex; 
  flex-direction: column; 
  align-items: center; 
  justify-content: center; 
  padding: 2rem 1rem;
  width: 100%; 
  max-width: 500px; 
  text-align: center; 
}

.contact form .input-group {
  width: 100%; 
  margin-top: 1.5rem; 
  display: flex;
  align-items: center; 
  padding: 0 1rem;
  background-color: var(--bg);
  border: 1px solid #eee;
}

.contact .row form .input-group input {
  width: 100%; 
  padding: 1rem;
  font-size: 1.2rem;
  background: transparent;
  color: #fff;
  border: none; 
  outline: none;
}

.textarea-container {
  width: 100%;
  margin-top: 1.5rem;
}

textarea {
  width: 100%; 
  height: 150px; 
  padding: 1rem;
  padding-left: 3rem;
  font-size: 1.2rem;
  color: #fff;
  border: 1px solid white;
  background-color: var(--bg);
}

.textarea-container .feather-icon {
  position: absolute;
  margin-top: 1.2rem;
  margin-left: 1rem;
}

.contact .row form button {
  margin-top: 2rem;
  padding: 1rem 3rem;
  font-size: 1.7rem;
  color: #fff;
  background-color: var(--primary);
  cursor: pointer;
  border-radius: 5px;
  text-align: center;
  max-width: 200px; 
  width: 100%; 
}

.contact .row form {
  background-color: var(--bg);
}

button:disabled { background-color: #9ca3af; }


/* Section OTP yang tersembunyi */
          #otp-wrapper {
              display: none;
              margin-top: 1.5rem;
              padding-top: 1.5rem;
              border-top: 2px dashed #e5e7eb;
              text-align: center;
          }

          .otp-code .otp-input {
              width: 100%; 
              padding: 0.75rem 1.5rem;
              align-items: center;
              text-align: center;
              font-size: 1.2rem;
              background: transparent;
              color: #fff;
              border: 1px solid white; 
              outline: none;
          }

          #otp-wrapper .btn-final {
                margin-top: 2rem;
                padding: 1rem 3rem;
                font-size: 1.7rem;
                color: #fff;
                background-color: var(--primary);
                cursor: pointer;
                border-radius: 5px;
                text-align: center;
                max-width: 200px; 
                width: 100%; 
          }


/* Footer */
footer {
  background-color: var(--primary);
  text-align: center;
  padding: 10px;
  margin-top: 2rem;
}

footer .socials {
  padding: 1rem 0;
}

footer .socials a {
  color: #fff;
  margin: 1rem;
}

footer .socials a:hover,
footer .links a:hover {
  color: var(--bg);
}

footer .links {
  margin-bottom: 1.4rem;
}

footer .links a {
  color: #fff;
  padding: 0.7rem 1 rem;
}

footer .credit {
  font-size: 0.8rem;
}

footer .credit a {
  color: var(--bg);
  font-weight: 700;
}

/* Audio */
.audio-icon-wrapper {
  width: 4rem;
  height: 4rem;
  font-size: 4rem;
  position: fixed;
  bottom: 2.5rem;
  left: 2rem;
  cursor: pointer;
  color: white;
  opacity: 0.5;
  mix-blend-mode: difference;
  animation: rotating 4s linear infinite;
  transform-origin: center;
  display: flex;
  justify-content: center;
  align-items: center;
  line-height: 0;
}

@keyframes rotating {
  from {
    transform: rotate(0);
  }
  to {
    transform: rotate(1turn);
  }
}


/* MEDIA QUERIES */
/* Tablet */
@media (max-width: 1200px) {
  html {
    font-size: 75%;
  }
}

/* Mobile */
@media (max-width: 680px) {
  html {
    font-size: 55%;
  }

  .card {
    width: 100%;
    height: auto;
    margin: 0 auto; 
    padding: 15px;
    font-size: 1.2rem;
  }

  h3 {
    text-align: center;
  }

  /* About */
  .about h2,
  .result h2,
  .contact h2 {
    font-size: 1.8rem;
  }

  .about .row .content h3 {
    font-size: 1.4rem;
  }

  .about .row .content pre {
    font-size: 1rem;
    line-height: 1.5;
  }

  .card {
    padding: 15px;
  }

  /* Aside */
   aside {
    position: static;
    width: 100%;
    margin-top: 2rem;
  }

  h3 {
    font-size: 2rem;
  }


  .result .container {
    width: 100%;
    height: auto;
    margin: 0 auto;
    padding: 15px;
    font-size: 1.2rem;
  }
}