@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700;800&display=swap');

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

html{
    scroll-behavior:smooth;
}

body{
    font-family:'Poppins',sans-serif;
    background:#07142d;
    color:#fff;
    overflow-x:hidden;
}

/*==========================
SCROLLBAR
===========================*/

::-webkit-scrollbar{
    width:10px;
}

::-webkit-scrollbar-track{
    background:#081427;
}

::-webkit-scrollbar-thumb{
    background:linear-gradient(180deg,#7b5cff,#00d4ff);
    border-radius:20px;
}

/*==========================
HERO
===========================*/
.hero{
    position:relative;
    min-height:88vh;
    display:flex;
    justify-content:center;
    align-items:center;
    text-align:center;
    overflow:hidden;

    padding:90px 20px 45px;

    background:
        linear-gradient(
            rgba(8,15,40,.35),
            rgba(8,15,40,.45)
        ),
        url('/images/landingpage.png');

    background-position:center 1px;
    background-repeat:no-repeat;
    background-size:cover;
    background-attachment:fixed;
    background-color:#08142d;
}

/* Transisi halus ke section berikutnya */
.hero::after{
    content:"";
    position:absolute;
    left:0;
    bottom:-1px;
    width:100%;
    height:180px;
    pointer-events:none;
    z-index:2;

    background:linear-gradient(
        to bottom,
        rgba(7,20,45,0) 0%,
        rgba(7,20,45,.25) 35%,
        rgba(7,20,45,.75) 70%,
        #07142d 100%
    );
}
/*==========================
Overlay
===========================*/

.hero-overlay{
    position:absolute;
    inset:0;
    background:
    linear-gradient(
        to bottom,
        rgba(7,18,48,.12),
        rgba(4,7,18,.45)
    );
}

/*==========================
Stars
===========================*/

.stars-layer{
    position:absolute;
    inset:0;
    background-repeat:repeat;
    animation:starsMove linear infinite;
    opacity:.75;
}

#stars-small{
    background-image:
    radial-gradient(white 1px,transparent 1px);
    background-size:45px 45px;
    animation-duration:70s;
}

#stars-medium{
    background-image:
    radial-gradient(#8ee8ff 2px,transparent 2px);
    background-size:95px 95px;
    animation-duration:120s;
}

#stars-big{
    background-image:
    radial-gradient(#ffd84d 3px,transparent 3px);
    background-size:180px 180px;
    animation-duration:180s;
}

@keyframes starsMove{

from{
background-position:0 0;
}

to{
background-position:0 1500px;
}

}

/*==========================
Floating Icons
===========================*/

.floating-icon{

    position:absolute;
    width:58px;
    height:58px;
    border-radius:50%;
    background:rgba(255,255,255,.08);
    backdrop-filter:blur(15px);
    display:flex;
    justify-content:center;
    align-items:center;
    font-size:24px;
    animation:floatIcon 5s ease-in-out infinite;
    box-shadow:0 0 25px rgba(255,255,255,.15);

}

.icon1{
top:22%;
left:10%;
}

.icon2{
right:18%;
top:26%;
animation-delay:1s;
}

.icon3{
left:12%;
bottom:16%;
animation-delay:2s;
}

.icon4{
right:10%;
bottom:14%;
animation-delay:3s;
}

@keyframes floatIcon{

0%,100%{
transform:translateY(0);
}

50%{
transform:translateY(-15px);
}

}

/*==========================
Hero Content
===========================*/

.hero-content{

    position:relative;
    z-index:5;
    max-width:760px;

}

/*==========================
Logo
===========================*/

.hero-logo{

    margin-bottom:18px;

}

.hero-logo img{

    width:70px;
    margin-bottom:10px;
    animation:spinSlow 15s linear infinite;

}

.hero-logo h2{

    font-size:28px;
    font-weight:800;
    margin-bottom:4px;

}

.hero-logo span{

    color:#c8d8ff;
    font-size:14px;

}

@keyframes spinSlow{

from{
transform:rotate(0);
}

to{
transform:rotate(360deg);
}

}

/*==========================
Badge
===========================*/

.hero-badge{

    display:inline-block;
    margin:18px 0;
    padding:10px 26px;

    border-radius:50px;

    background:
    linear-gradient(90deg,#ffcc33,#ff9800);

    color:#1b1b1b;

    font-size:15px;
    font-weight:700;

    box-shadow:0 8px 20px rgba(255,193,7,.30);

    animation:pulse 2s infinite;

}

@keyframes pulse{

0%,100%{
transform:scale(1);
}

50%{
transform:scale(1.04);
}

}

/*==========================
Title
===========================*/

.hero h1{

    font-size:56px;
    line-height:1.12;
    font-weight:800;
    margin-bottom:16px;

}

.hero h1 span{

    color:#43d8ff;
    text-shadow:0 0 18px rgba(0,212,255,.75);

}

.hero p{

    max-width:620px;
    margin:auto;

    font-size:17px;
    line-height:1.7;

    color:#d7e5ff;

}

/*==========================
Buttons
===========================*/

.button-group{

    display:flex;
    justify-content:center;
    align-items:center;
    gap:18px;

    margin-top:28px;
    flex-wrap:wrap;

}

.btn-primary,
.btn-secondary{

    padding:14px 30px;
    border-radius:50px;

    font-size:15px;
    font-weight:700;

    text-decoration:none;

    transition:.35s;

}

.btn-primary{

    color:#fff;

    background:
    linear-gradient(
        135deg,
        #6f63ff,
        #00d4ff
    );

    box-shadow:
    0 12px 28px rgba(0,212,255,.28);

}

.btn-primary:hover{

    transform:translateY(-4px);

}

.btn-secondary{

    color:#fff;

    border:2px solid rgba(255,255,255,.22);

    backdrop-filter:blur(15px);

}

.btn-secondary:hover{

    background:#fff;
    color:#08142d;

}
/*==========================
Feature
===========================*/
.feature-section{
    position:relative;
    overflow:hidden;
    margin-top:-2px;

    padding:90px 8% 110px;

    background:linear-gradient(
        180deg,
        #07142d 0%,
        #081936 45%,
        #07152f 100%
    );
}
/* Glow */

.feature-section::before{

    content:"";

    position:absolute;

    top:-220px;
    left:50%;

    transform:translateX(-50%);

    width:900px;
    height:350px;

    background:
    radial-gradient(
        rgba(0,212,255,.10),
        transparent 70%
    );

    filter:blur(45px);

}

.feature-stars{

    position:absolute;

    inset:0;

    opacity:.10;

    pointer-events:none;

    background-image:
    radial-gradient(#ffffff 1px,transparent 1px);

    background-size:90px 90px;

}

/*==================================================
TITLE
==================================================*/

.section-title{

    position:relative;

    z-index:2;

    text-align:center;

    max-width:720px;

    margin:0 auto 55px;

}

.section-title span{

    display:inline-flex;

    align-items:center;

    gap:14px;

    color:#00d4ff;

    font-size:14px;

    font-weight:700;

    letter-spacing:3px;

}

.section-title span::before,
.section-title span::after{

    content:"";

    width:45px;
    height:2px;

    background:#00d4ff;

}

.section-title h2{

    font-size:46px;

    font-weight:800;

    margin:18px 0;

    color:#fff;

}

.section-title p{

    color:#d7e5ff;

    line-height:1.8;

}

/*==================================================
FEATURE SECTION - TIMELINE QUEST
==================================================*/

.feature-section{
    position:relative;
    overflow:hidden;
    padding:80px 8%;
    background:
    linear-gradient(
        180deg,
        #07142d,
        #081936,
        #07152f
    );
}

/* Glow Background */

.feature-section::before{

    content:"";

    position:absolute;

    width:700px;
    height:350px;

    top:-180px;
    left:50%;

    transform:translateX(-50%);

    background:
    radial-gradient(
        rgba(0,212,255,.12),
        transparent 70%
    );

    filter:blur(60px);

}

.feature-stars{

    position:absolute;
    inset:0;

    opacity:.08;

    pointer-events:none;

    background-image:
    radial-gradient(#fff 1px,transparent 1px);

    background-size:90px 90px;

}

/*==================================================
TITLE
==================================================*/

.section-title{

    text-align:center;

    max-width:700px;

    margin:0 auto 70px;

    position:relative;

    z-index:5;

}

.section-title span{

    color:#fbff00;

    letter-spacing:3px;

    font-size:13px;

    font-weight:700;

}

.section-title h2{

    margin:15px 0;

    font-size:42px;

    font-weight:800;

}

.section-title p{

    color:#d7e5ff;

    line-height:1.8;

    font-size:16px;

}

/*==================================================
TIMELINE
==================================================*/

.feature-grid{

    position:relative;

    display:grid;

    grid-template-columns:repeat(4,1fr);

    gap:30px;

    z-index:3;

}

/* Garis */

.feature-grid::before{

    content:"";

    position:absolute;

    left:12%;
    right:12%;

    top:42px;

    height:4px;

    border-radius:20px;

    background:
    linear-gradient(
        90deg,
        #00d4ff,
        #6f63ff
    );

    box-shadow:
    0 0 18px rgba(0,212,255,.45);

    z-index:0;

}

/*==================================================
NODE
==================================================*/

.feature-card{

    position:relative;

    text-align:center;

    background:none;

    border:none;

    padding-top:0;

    min-height:auto;

    box-shadow:none;

}

/* Titik */

.feature-icon{

    position:relative;

    width:84px;
    height:84px;

    margin:0 auto 22px;

    border-radius:50%;

    display:flex;

    justify-content:center;

    align-items:center;

    font-size:34px;

    color:#fff;

    z-index:2;

    background:
    linear-gradient(
        135deg,
        #00d4ff,
        #6f63ff
    );

    border:5px solid #081936;

    box-shadow:
    0 0 25px rgba(0,212,255,.35);

    transition:.35s;

}

/* Pulse */

.feature-icon::before{

    content:"";

    position:absolute;

    inset:-10px;

    border-radius:50%;

    border:2px solid rgba(0,212,255,.35);

    animation:pulseNode 2.5s infinite;

}

@keyframes pulseNode{

0%{

transform:scale(.8);
opacity:1;

}

100%{

transform:scale(1.5);
opacity:0;

}

}

/*==================================================
CARD TEXT
==================================================*/

.feature-card h3{

    font-size:21px;

    margin-bottom:10px;

    font-weight:700;

    color:#fff;

}

.feature-card p{

    color:#d7e5ff;

    font-size:15px;

    line-height:1.7;

    max-width:230px;

    margin:auto;

}

/*==================================================
HOVER
==================================================*/

.feature-card:hover .feature-icon{

    transform:
    translateY(-10px)
    scale(1.08);

    box-shadow:
    0 0 35px rgba(0,212,255,.6);

}

.feature-card:hover h3{

    color:#43d8ff;

}

.feature-card:hover p{

    color:#ffffff;

}

/*==================================================
ANIMATION
==================================================*/

.feature-card{

    animation:floatCard 6s ease-in-out infinite;

}

.feature-card:nth-child(2){

animation-delay:1s;

}

.feature-card:nth-child(3){

animation-delay:2s;

}

.feature-card:nth-child(4){

animation-delay:3s;

}

@keyframes floatCard{

0%,100%{

transform:translateY(0);

}

50%{

transform:translateY(-10px);

}

}

/*==================================================
RESPONSIVE
==================================================*/

@media(max-width:992px){

.feature-grid{

grid-template-columns:repeat(2,1fr);

row-gap:70px;

}

.feature-grid::before{

display:none;

}

}

@media(max-width:768px){

.feature-section{

padding:60px 7%;

}

.section-title h2{

font-size:32px;

}

.section-title p{

font-size:15px;

}

.feature-grid{

grid-template-columns:1fr;

gap:50px;

}

.feature-icon{

width:70px;
height:70px;

font-size:28px;

}

.feature-card h3{

font-size:20px;

}

.feature-card p{

font-size:14px;

}

}
/*=========================================
RESPONSIVE
=========================================*/

@media(max-width:992px){

    .feature-section{
        padding:70px 7% 90px;
    }

    .section-title h2{
        font-size:36px;
    }

}

@media(max-width:768px){

    .feature-section{
        padding:60px 6% 80px;
    }

    .feature-grid{
        grid-template-columns:1fr;
    }

    .feature-card{
        min-height:auto;
        padding:28px 22px;
    }

    .section-title h2{
        font-size:30px;
    }

    .section-title p{
        font-size:15px;
    }

    .feature-icon{
        width:70px;
        height:70px;
        font-size:30px;
    }

    .feature-card h3{
        font-size:20px;
    }

}

/*==========================
ABOUT
===========================*/

.about-section{

    position:relative;

    min-height:100vh;

    display:flex;
    justify-content:center;
    align-items:center;

    text-align:center;

    overflow:hidden;

    padding:170px 20px 90px;

    margin-top:-120px;

    background:
        linear-gradient(
            rgba(7,20,45,.96),
            rgba(7,20,45,.55),
            rgba(7,20,45,.35)
        ),
        url('/images/tentang.png');

    background-position:center top;
    background-repeat:no-repeat;
    background-size:cover;

    z-index:3;

}

/* Glow */
.about-section::before{

    content:"";

    position:absolute;

    top:-120px;
    left:0;

    width:100%;
    height:180px;

    background:

        linear-gradient(
            to bottom,
            rgba(7,20,45,0),
            rgba(7,20,45,.92)
        );

    z-index:0;

}

.about-section>*{

    position:relative;
    z-index:2;

}

.about-section::after{

    content:"";

    position:absolute;

    width:450px;
    height:450px;

    right:-150px;
    bottom:-150px;

    border-radius:50%;

    background:
    radial-gradient(
        
    rgba(206, 243, 72, 0.08),
        transparent 70%
    );

    filter:blur(60px);

}

/*=========================================
Stars
=========================================*/

.about-stars{

    position:absolute;

    inset:0;

    opacity:.08;

    background-image:
    radial-gradient(#ffffff 1px,transparent 1px);

    background-size:120px 120px;

}

/*=========================================
Planet
=========================================*/

.about-planet{

    position:absolute;

    right:6%;
    top:90px;

    width:120px;
    height:120px;

    border-radius:50%;

    background:
    radial-gradient(circle at 35% 35%,
    #72e7ff,
    #4b74ff,
    #1d2858);

    opacity:.18;

    animation:planetRotate 18s linear infinite;

}

@keyframes planetRotate{

from{

transform:rotate(0);

}

to{

transform:rotate(360deg);

}

}

/*=========================================
Science Icons
=========================================*/

.about-atom{

    position:absolute;

    opacity:.15;

    font-size:40px;

}

.atom1{

    left:7%;
    bottom:90px;

    animation:rotateAtom 14s linear infinite;

}

.atom2{

    right:12%;
    bottom:180px;

    animation:rotateAtomReverse 18s linear infinite;

}

@keyframes rotateAtom{

from{

transform:rotate(0);

}

to{

transform:rotate(360deg);

}

}

@keyframes rotateAtomReverse{

from{

transform:rotate(360deg);

}

to{

transform:rotate(0);

}

}

/*=========================================
CARD
=========================================*/

.about-card{

    position:relative;

    z-index:2;

    max-width:760px;

    margin:auto;

    padding:45px;

    text-align:center;

    border-radius:28px;

    overflow:hidden;

    background:

    linear-gradient(
        180deg,
        rgba(22,45,90,.92),
        rgba(12,28,58,.94)
    );

    backdrop-filter:blur(18px);

    border:1px solid rgba(255,255,255,.08);

    box-shadow:

        0 18px 45px rgba(0,0,0,.28);

    transition:.35s;

}

.about-card:hover{

    transform:translateY(-8px);

    border-color:#00d4ff55;

    box-shadow:

        0 30px 60px rgba(0,212,255,.18);

}

.about-card::before{

    content:"";

    position:absolute;

    inset:0;

    background:

    linear-gradient(

        120deg,

        transparent,

        rgba(255,255,255,.08),

        transparent

    );

    transform:translateX(-100%);

    transition:1s;

}

.about-card:hover::before{

    transform:translateX(100%);

}

/*=========================================
ICON
=========================================*/

.about-icon{

    width:78px;
    height:78px;

    margin:auto auto 22px;

    border-radius:50%;

    display:flex;

    justify-content:center;

    align-items:center;

    font-size:34px;

    background:

    linear-gradient(
        135deg,
        #6f63ff,
        #00d4ff
    );

    box-shadow:

        0 12px 28px rgba(0,212,255,.25);

}

/*=========================================
TEXT
=========================================*/

.about-tag{

    display:inline-block;

    color:#00d4ff;

    font-size:13px;

    font-weight:700;

    letter-spacing:3px;

    margin-bottom:18px;

}

.shine-text{

    font-size:40px;

    font-weight:800;

    margin-bottom:20px;

    background:

    linear-gradient(

        90deg,

        #ffffff,

        #58dcff,

        #ffffff

    );

    background-size:220%;

    color:transparent;

    -webkit-background-clip:text;

    animation:shineText 6s linear infinite;

}

@keyframes shineText{

from{

background-position:-220%;

}

to{

background-position:220%;

}

}

.about-card p{

    max-width:560px;

    margin:auto;

    color:#d7e5ff;

    line-height:1.9;

    font-size:16px;

}

/*=========================================
BADGE
=========================================*/

.about-items{

    display:flex;

    justify-content:center;

    gap:12px;

    flex-wrap:wrap;

    margin-top:30px;

}

.about-items div{

    padding:10px 18px;

    border-radius:50px;

    background:rgba(255,255,255,.08);

    border:1px solid rgba(255,255,255,.08);

    transition:.3s;

    cursor:default;

}

.about-items div:hover{

    background:#00d4ff;

    color:#081936;

    transform:scale(1.05);

}

/*=========================================
SCROLL REVEAL
=========================================*/

.reveal{

    opacity:0;

    transform:translateY(70px);

    transition:

        opacity .8s ease,

        transform .8s ease;

}

.reveal.active{

    opacity:1;

    transform:translateY(0);

}

.reveal-item{

    opacity:0;

    transform:translateY(20px);

}

.reveal.active .reveal-item{

    animation:fadeUp .8s forwards;

}

.reveal.active .reveal-item:nth-child(2){

animation-delay:.15s;

}

.reveal.active .reveal-item:nth-child(3){

animation-delay:.35s;

}

.reveal.active .reveal-item:nth-child(4){

animation-delay:.55s;

}

.reveal.active .about-items div:nth-child(1){

animation:zoomUp .4s .8s forwards;

}

.reveal.active .about-items div:nth-child(2){

animation:zoomUp .4s .95s forwards;

}

.reveal.active .about-items div:nth-child(3){

animation:zoomUp .4s 1.1s forwards;

}

.reveal.active .about-items div:nth-child(4){

animation:zoomUp .4s 1.25s forwards;

}

@keyframes fadeUp{

from{

opacity:0;

transform:translateY(20px);

}

to{

opacity:1;

transform:translateY(0);

}

}

@keyframes zoomUp{

from{

opacity:0;

transform:scale(.6);

}

to{

opacity:1;

transform:scale(1);

}

}

/*=========================================
RESPONSIVE
=========================================*/

@media(max-width:768px){

.about-section{

padding:70px 6%;

}

.about-card{

padding:35px 25px;

}

.shine-text{

font-size:30px;

}

.about-card p{

font-size:15px;

}

.about-items{

gap:8px;

}

.about-items div{

font-size:13px;

padding:8px 14px;

}

.about-planet{

display:none;

}

}
/*==========================
Footer
===========================*/

.footer{

    text-align:center;
    padding:60px 20px;
    background:#040914;

}

.footer img{

    width:70px;
    margin-bottom:18px;

}

.footer h3{

    font-size:30px;
    margin-bottom:10px;

}

.footer p{

    color:#b8c8ea;
    margin-bottom:20px;

}

.footer small{

    color:#7f96c7;

}

/*==========================
Responsive
===========================*/

@media(max-width:992px){

.hero h1{
font-size:48px;
}

.astronaut{
display:none;
}

.hero-stats{
gap:15px;
}

}

@media(max-width:768px){

.hero{
padding-top:100px;
}

.hero h1{
font-size:38px;
}

.hero p{
font-size:16px;
}

.hero-logo h2{
font-size:28px;
}

.section-title h2,
.about-content h2{
font-size:34px;
}

.button-group{
flex-direction:column;
align-items:center;
}

.stat-card{
width:130px;
padding:22px;
}

.feature-card{
padding:28px;
}

}