* {
    margin: 0;
    padding: 0;
    font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
}
html {
    scroll-behavior: smooth;
    
}
body {
    overflow-x: hidden;
}
.scroll-animate {
    opacity: 0;
    transform: translateY(50px);
    transition: all 0.8s ease-out;
}
.scroll-animate.show {
    opacity: 1;
    transform: translateY(0);
}
header {
    width: 100%;
    padding: 88px 180px;
    display: flex;
    flex-direction: column;
    background: #161515;
    gap: 12px;
}
header h2 {
    color: white;
    font-size: 96px;
    font-weight: 500;
    line-height: normal;
    opacity: 0;
    transform: translateY(0px); /* posisi awal turun 50px */
    animation: fadeInUp 0.5s ease-out forwards; /* jalankan animasi */
    animation-delay: 0.6s; /* jeda sebelum muncul */
}
.hero-banner .banner {
    display: flex;
    flex-direction: column;
    gap: 24px;
    width: 100%;
}
header p {
    color: white;
    align-self: stretch;
    width: 1040px;
    font-size: 24px;
    font-weight: 300;
    line-height: 160%;
    opacity: 0;
    transform: translateY(0px); /* posisi awal turun 50px */
    animation: fadeInUp 0.5s ease-out forwards; /* jalankan animasi */
    animation-delay: 0.8s; /* jeda sebelum muncul */
}
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(50px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
/* Landingpage Nav */
nav {
    display: flex;
    justify-content: space-between;
    padding: 12px 180px;
    align-items: center;
    z-index: 1000;
    background: #161515;
    position: sticky;
    top: 0;
    opacity: 0;
    transform: translateY(0px); /* posisi awal turun 50px */
    animation: fadeInUp 1s ease-out forwards; /* jalankan animasi */
    animation-delay: 0.3s; /* jeda sebelum muncul */
}
nav.scrolled {
  background: white;
}
nav img {
    width: 50%;
    cursor: pointer;
    border: solid 2px white;
    border-radius: 50%;
}
nav a {
    text-decoration: none;
    align-items: center;
    gap: 44px;
}
a {
    text-decoration: none;
}
.button-nav {
    display: flex;
    gap: 24px;
}
.button-nav .button {
    display: flex;
    padding: 11px 22px;
    justify-content: center;
    align-items: center;
    color: white;
    background: #161515;
    border-radius: 54px;
    border: solid 1px white;
    gap: 10px;
    cursor: pointer;
    font-size: 16px;
    font-weight: 500;
    line-height: normal;
}
.button-nav .button:hover {
    color: #222;
    background-color: white;
    align-items: center;
    transition: 0.3s;
}
nav.scrolled .button-nav .button {
  background: white;
  color: #222; /* teks jadi putih */
  border-color: #222;
}
nav.scrolled .button-nav .button:hover {
  background: #222;
  color: white; /* teks jadi putih */
  border-color: white;
}

/* Another page */
.nav-page {
    display: flex;
    justify-content: space-between;
    padding: 12px 180px;
    align-items: center;
    background: white;
    position: sticky;
    top: 0;
}
.nav-page img {
    width: 50%;
    cursor: pointer;
    border: solid 2px white;
    border-radius: 50%;
}
.nav-page a {
    text-decoration: none;
    align-items: center;
    gap: 44px;
}
a {
    text-decoration: none;
}
.nav-page .button-nav {
    display: flex;
    gap: 24px;
}
.nav-page .button-nav .button {
    display: flex;
    padding: 11px 22px;
    justify-content: center;
    align-items: center;
    color: #222;
    background: none;
    border-radius: 54px;
    border: solid 1px #222;
    gap: 10px;
    cursor: pointer;
    font-size: 16px;
    font-weight: 500;
    line-height: normal;
}
.nav-page .button-nav .button:hover {
    background-color: #222;
    color: white;
    justify-content: center;
    align-items: center;
    transition: linear;
}
nav.scrolled .button-nav .button {
  background: white;
  color: #222; /* teks jadi putih */
  border-color: #222;
}

/* Experience */
.experience {
    display: flex;
    flex-direction: column;
    gap: 24px;
    justify-content: center;
    align-items: center;
    padding: 54px 0 120px 0;
    background: white;
    opacity: 0;
    transform: translateY(0px); /* posisi awal turun 50px */
    animation: fadeInUp 1s ease-out forwards; /* jalankan animasi */
    animation-delay: 0.5s; /* jeda sebelum muncul */
}
.experience h3 {
    color: #222;
    font-size: 20px;
    font-weight: 500;
    line-height: normal;
    text-align: center;
}
.experience .image-work {
    display: flex;
    gap:24px;
}
.image-work img {
    width: 148px;
    height: 48px;
    object-fit: contain;

}
.line {
    background-color: #DDDDDD;
    height: 1px;
}
/* Work */
.case-studies {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 54px;
    padding: 0 180px 120px 180px;
    background: white;
}
.case-studies h1 {
    color: #222;
    font-size: 36px;
    font-weight: 500;
    line-height: normal;
    opacity: 0;
    transform: translateY(0px); /* posisi awal turun 50px */
    animation: fadeInUp 1s ease-out forwards; /* jalankan animasi */
    animation-delay: 0.3s; /* jeda sebelum muncul */
}
.project-list {
    display: flex;
    flex-direction: column;
    gap:100px ;
}
.project-list .project-name {
    display: flex;
    align-items: center;
    gap: 54px;
    width: 100%;
}
.project-name img {
    width: 463px;
    height: 357px;
}
.project-content {
    display: flex;
    flex-direction: column;
    gap: 24px;
    align-items: flex-start;
    align-self: stretch;
}
.project-content .image-work img {
    display: block; 
    margin-left: 0;
    width: 148px;
    height: 48px;
    object-fit: contain;
    align-items: flex-start;
    
}
.project-content .kita-logo {
    width: 124px;
    height: 48px;
}
.project-content .content {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
    text-align: left;
}
.project-content .content h3 {
    color: #222;
    font-size: 32px;
    font-weight: 500;
    line-height: 44px;
}
.project-content .content p {
    color: #222;
    font-size: 20px;
    font-weight: 400;
    line-height: 32px;
}
.project-content .button {
    display: flex;
    padding: 11px 22px;
    justify-content: center;
    align-items: center;
    color: #222;
    background: none;
    border-radius: 54px;
    border: solid 1px #222;
    gap: 10px;
    cursor: pointer;
    font-size: 16px;
    font-weight: 500;
    line-height: normal;
}
.project-content .button:hover {
    background-color: #222;
    color: #ffff;
    justify-content: center;
    align-items: center;
    transition: 0.3s;
}

/* Work */
.additional {
    display: flex;
    flex-direction: column;
    padding: 54px 180px ;
    gap: 54px;
    background-color:#161515;
}
.additional h1 {
    color: white;
    font-size: 36px;
    font-weight: 500;
    line-height: normal;
}
.additional .project-content .content h3 {
    color: white;
    font-size: 32px;
    font-weight: 500;
    line-height: 44px;
}
.additional .project-content .content p {
    color: white;
    font-size: 20px;
    font-weight: 400;
    line-height: 32px;
}
.additional .project-content .button {
    display: flex;
    padding: 11px 22px;
    justify-content: center;
    align-items: center;
    color: white;
    background: none;
    border-radius: 54px;
    border: solid 1px white;
    gap: 10px;
    cursor: pointer;
    font-size: 16px;
    font-weight: 500;
    line-height: normal;
}
.additional .project-content .button:hover {
    background-color:white;
    color: #222;
    justify-content: center;
    align-items: center;
    transition: 0.3s;
}

/* Project */
.hero-banner {
    display: flex;
    flex-direction: column;
    gap: 24px;
    padding: 54px 180px 120px 180px; /* Hero Banner */
}
.hero-banner .headline {
    display: flex;
    flex-direction: column;
    gap: 0;
    opacity: 0;
    transform: translateY(0px); /* posisi awal turun 50px */
    animation: fadeInUp 1s ease-out forwards; /* jalankan animasi */
    animation-delay: 0.5s; /* jeda sebelum muncul */
}
.hero-banner img {
    opacity: 0;
    transform: translateY(0px); /* posisi awal turun 50px */
    animation: fadeInUp 1s ease-out forwards; /* jalankan animasi */
    animation-delay: 0.6s; /* jeda sebelum muncul */
}
.headline img {
    width: 104px;
    opacity: 0;
    transform: translateY(0px); /* posisi awal turun 50px */
    animation: fadeInUp 1s ease-out forwards; /* jalankan animasi */
    animation-delay: 0.3s; /* jeda sebelum muncul */
}
.headline h1 {
    color: #222;
    font-size: 48px;
    font-weight: 500;
    line-height: 70px;
    opacity: 0;
    transform: translateY(0px); /* posisi awal turun 50px */
    animation: fadeInUp 1s ease-out forwards; /* jalankan animasi */
    animation-delay: 0.4s; /* jeda sebelum muncul */
}
.role {
    display: flex;
    justify-content: space-between;
    padding: 24px;
    align-items: flex-start;
    align-self: stretch;
}
.role .role-list {
    display: flex;
    flex-direction: column;
    gap: 6px;
}
.role-list h4 {
    color: #717171;
    font-size: 16px;
    font-weight: 400;
}
.role-list p {
    color: #222;
    font-size: 16;
    font-weight: 400;
}
.isi {
    display: flex;
    max-width: 1440px;
    align-items: flex-start;
    justify-content: space-between;
    align-self: stretch;
    padding: 0 180px 120px 180px;
}
.isi .sidebar {
    display: flex;
    flex-direction: column;
    gap: 24px;
    background: white;
    align-items: flex-start;
    position: sticky;
    top: 88px;
}
.sidebar-item {
    display: inline-block;
    text-decoration: none;
    color: #717171;
    font-size: 20px;
    padding: 8px 12px;
    border-radius: 8px;
    cursor: pointer;
    transition: color .15s, background .15s;
    width: 250px;
}
.sidebar-item:hover {
    color: #222;
}
/* List-content */
.isi .list-content {
    display: flex;
    flex-direction: column;
    gap: 54px;
    width: 718px;
}
.list-content .summary {
    padding: 24px ;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    align-self: stretch;
    gap: 24px;
    background:#F4F6F8 ;
    border-radius: 12px;
    scroll-margin-top: 100px;
}
.summary h3 {
    font-size: 36px;
    font-weight: 500;
    line-height: normal;
    color: #222;
}
.summary p {
    font-size: 18px;
    font-weight: 400;
    line-height: 32px;
    color: #222;
}
.summary ul {
    display: flex;
    flex-direction: column;
    padding: 0 20px;
}
.summary ul li {
    color: #222;
    font-size: 18px;
    font-weight: 600;
    line-height: 32px;
}

.list-content .isi-content {
    display: flex;
    flex-direction: column;
    gap: 12px;
    scroll-margin-top: 100px;
}
.isi-content .title {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
}
.title h6 {
    color: #717171;
    font-size: 20px;
    font-weight: 400;
    line-height: normal;
}
.title h3 {
    color: #222;
    font-size: 32px;
    font-weight: 500;
    line-height: 44px;
}
.isi-content p {
    color: #222;
    font-size: 18px;
    font-weight: 400;
    line-height: 32px;
}
.isi-content img {
    width: 100%;
}
.isi-content ul {
    margin: 0;
    list-style-position: inside;
}
.isi-content li {
    color: #222;
    font-size: 18px;
    font-weight: 400;
    line-height: 32px;
}
.title p {
    color: #222;
    font-size: 18px;
    font-weight: 400;
    line-height: 32px;
}
.isi-content .problem {
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding: 24px;
    background: #F4F6F8;
    border-radius: 12px ;
    align-items: flex-start;
    align-self: stretch;
}
.problem .problem-title {
    display: flex;
    flex-direction: column;
    gap: 6px;
}
.problem-title h6 {
    color: #717171;
    font-size: 18px;
    font-weight: 500;
    line-height: 32px;
}
.problem-title h3 {
    color: #222;
    font-size: 24px ;
    font-weight: 500;
    line-height: 32px;
}
.problem-title p {
    color: #222;
    font-size: 18px;
    font-weight: 400;
    line-height: 32px;
}
.problem img {
    width: 100%;
}
.how-image {
    padding: 24px;
    background: #F4F6F8;
    border-radius: 12px;
}
/* Final Design */
.isi-content .solutions-list {
    display: flex;
    flex-direction: column;
    gap: 54px;
    width: 100%;
}
.solutions-list .the-solution {
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.the-solution h3 {
    color: #222;
    font-size: 20px;
    font-weight: 500;
    line-height: 32px;
}
.the-solution p {
    color: #222;
    font-size: 18px;
    font-weight: 400;
    line-height: 32px;
}
.the-solution img {
    width: 100%;
}
/* Design System */
.context {
    display: flex;
    flex-direction: column;
    gap: 24px;
    padding: 24px;
    background: #FAFAFA;
    border-radius: 12px;
}
.context h3 {
    color: #222;
    font-size:36px ;
    font-weight: 500;
    line-height: normal;
}
.context p {
    color:#222;
    font-size: 18px;
    font-weight: 400;
    line-height: 32px;
}
.my-role {
    display: flex;
    gap: 24px;
}
.context ul {
    margin: 0;
    list-style-position: inside;
}
.context li {
    color: #222;
    font-size: 18px;
    font-weight: 400;
    line-height: 32px;
}
/* Foundation */
.list-content .foundation {
    display: flex;
    flex-direction: column;
    gap: 24px;
    scroll-margin-top: 100px;
}
.foundation h3 {
    color: #222;
    font-size: 32px;
    font-weight: 500;
    line-height: normal;
}
.foundation .grup-1 {
    display: flex;
    gap: 24px;
}
.grup-1 .image-1 {
    width: 360px;
}
.grup-1 .image-2 {
    width: 334px;
}
.grup-1 .image-3 {
    width: 718px;
}
.grup-1 .image-4 {
    width: 296px;
}
.grup-1 .image-5 {
    width: 398px;
}
.grup-1 .image-6 {
    width: 718px;
}
.grup-1 .image-7 {
    width: 100%;
}

.context .list-impact {
    display: flex;
    justify-content: space-between;
}
.list-impact .data-impact {
    display: flex;
    flex-direction: column;
    gap: 12px;
    align-items: center ;
}
.data-impact h4 {
    font-size: 24px;
    font-weight: 500;
    line-height: normal;
    color: #222;
}
.data-impact p {
    font-size: 14px;
    font-weight: 400;
    line-height: normal;
    color: #717171;
}

/* Footer */
footer {
    display: flex;
    justify-content: center;
    padding: 54px 0;
    align-items: center;
    left: 0;
    background-color: #F8F8F8;
    gap:12px;
}
footer p {
    color: #222;
    font-size: 16px;
    font-weight: 500;
    line-height: normal;

}
footer .button {
    display: flex;
    padding: 11px 22px;
    justify-content: center;
    align-items: center;
    color: #222;
    background: none;
    border-radius: 54px;
    border: solid 1px #222;
    gap: 10px;
    cursor: pointer;
    font-size: 16px;
    font-weight: 500;
    line-height: normal;
}
footer .button:hover {
    background-color:#222;
    color: white;
    justify-content: center;
    align-items: center;
    transition: linear;
}

@media screen and (min-width: 1920px) {
    nav {
        padding: 12px 340px;
    }
    header {
        padding: 88px 340px;
    }
    .case-studies {
        padding: 0 340px 120px 340px;
    }
    .project-name {
        width: 1440px;
    }
    .project-content {
        width: 708px;
    }
    .additional {
        padding: 54px 340px;
    }
    .nav-page {
        padding: 12px 340px;
    }
    .hero-banner {
        padding: 54px 350px 120px 350px; 
    }
    .headline img {
        width: 104px;
        height: auto;
    }
    .isi {
        padding: 0 240px 120px 240px;
        justify-content: space-around;
    }
}