:root{
  --primary:#0f3d2e;
  --secondary:#1f7a63;
  --accent:#2ecc71;
  --bg:#f9fdfb;
  --white:#ffffff;
  --dark:#111;
}

*{
  margin:0;
  padding:0;
  box-sizing:border-box;
  font-family:'Poppins',sans-serif;
}

html{
  scroll-behavior:smooth;
}

body{
  background:var(--bg);
  color:#222;
  overflow-x:hidden;
}

/* SCROLLBAR */
::-webkit-scrollbar{
  width:10px;
}

::-webkit-scrollbar-thumb{
  background:linear-gradient(var(--secondary),var(--accent));
  border-radius:10px;
}

.container{
  width:90%;
  max-width:1200px;
  margin:auto;
}

/* =========================
HEADER
========================= */

header{
  position:fixed;
  top:0;
  left:0;
  width:100%;
  z-index:999;
  backdrop-filter:blur(15px);
  background:rgba(255,255,255,0.7);
  border-bottom:1px solid rgba(0,0,0,0.05);
  transition:.3s;
}

.header-wrap{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:18px 0;
}

.logo{
  font-size:24px;
  font-weight:800;
  color:var(--primary);
  display:flex;
  align-items:center;
  gap:10px;
}

.logo i{
  color:var(--accent);
  font-size:28px;
}

nav{
  display:flex;
  align-items:center;
  gap:25px;
}

nav a{
  text-decoration:none;
  color:#555;
  font-size:15px;
  font-weight:500;
  transition:.3s;
  position:relative;
}

nav a::after{
  content:'';
  position:absolute;
  left:0;
  bottom:-5px;
  width:0%;
  height:2px;
  background:var(--accent);
  transition:.3s;
}

nav a:hover{
  color:var(--secondary);
}

nav a:hover::after{
  width:100%;
}

/* =========================
BUTTON
========================= */

.btn{
  padding:14px 28px;
  border-radius:50px;
  text-decoration:none;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  font-weight:600;
  transition:.3s;
  background:linear-gradient(135deg,var(--secondary),var(--accent));
  color:#fff;
  box-shadow:0 10px 25px rgba(46,204,113,0.25);
}

.btn:hover{
  transform:translateY(-5px);
  box-shadow:0 15px 35px rgba(46,204,113,0.35);
}

.btn-outline{
  background:transparent;
  border:2px solid var(--secondary);
  color:var(--secondary);
  box-shadow:none;
}

.btn-outline:hover{
  background:var(--secondary);
  color:#fff;
}

/* =========================
HERO
========================= */

.hero{
  min-height:100vh;
  display:flex;
  align-items:center;
  justify-content:center;
  text-align:center;
  position:relative;
  overflow:hidden;
}

.hero::before{
  content:'';
  position:absolute;
  width:600px;
  height:600px;
  background:radial-gradient(circle,var(--accent),transparent 70%);
  opacity:.15;
  top:-200px;
  right:-200px;
}

.hero::after{
  content:'';
  position:absolute;
  width:500px;
  height:500px;
  background:radial-gradient(circle,var(--secondary),transparent 70%);
  opacity:.15;
  bottom:-200px;
  left:-200px;
}

.hero-content{
  position:relative;
  z-index:2;
}

.badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:8px 18px;
  border-radius:50px;
  background:rgba(46,204,113,0.1);
  color:var(--secondary);
  font-size:14px;
  font-weight:600;
  margin-bottom:20px;
}

.hero h1{
  font-size:75px;
  line-height:1.1;
  color:var(--primary);
  margin-bottom:20px;
}

.hero h1 span{
  background:linear-gradient(90deg,var(--secondary),var(--accent));
  -webkit-background-clip:text;
  -webkit-text-fill-color:transparent;
}

.hero p{
  max-width:700px;
  margin:auto;
  color:#666;
  line-height:1.8;
  font-size:18px;
}

.hero-btns{
  margin-top:35px;
  display:flex;
  justify-content:center;
  flex-wrap:wrap;
  gap:15px;
}

.hero-stats{
  display:flex;
  justify-content:center;
  flex-wrap:wrap;
  gap:40px;
  margin-top:60px;
}

.hero-stat{
  text-align:center;
}

.hero-stat i{
  font-size:28px;
  color:var(--secondary);
  margin-bottom:10px;
  display:block;
}

.hero-stat h3{
  font-size:34px;
  color:var(--primary);
}

.hero-stat p{
  font-size:14px;
  color:#777;
}

/* =========================
SECTION
========================= */

section{
  padding:110px 0;
}

.title{
  text-align:center;
  font-size:45px;
  color:var(--primary);
  margin-bottom:15px;
  font-weight:800;
}

.subtitle{
  text-align:center;
  color:#777;
  max-width:700px;
  margin:auto auto 50px;
  line-height:1.7;
}

.section-divider{
  width:80px;
  height:5px;
  border-radius:10px;
  margin:0 auto 50px;
  background:linear-gradient(90deg,var(--secondary),var(--accent));
}

/* =========================
GRID
========================= */

.grid{
  display:grid;
  gap:25px;
}

.grid-3{
  grid-template-columns:repeat(auto-fit,minmax(260px,1fr));
}

.grid-2{
  grid-template-columns:repeat(auto-fit,minmax(300px,1fr));
}

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

.card{
  background:#fff;
  border-radius:25px;
  padding:35px;
  transition:.4s;
  position:relative;
  overflow:hidden;
  box-shadow:0 10px 35px rgba(0,0,0,0.05);
}

.card::before{
  content:'';
  position:absolute;
  width:120px;
  height:120px;
  background:linear-gradient(var(--secondary),var(--accent));
  opacity:.08;
  border-radius:50%;
  top:-40px;
  right:-40px;
}

.card:hover{
  transform:translateY(-10px);
}

.icon-box{
  width:70px;
  height:70px;
  border-radius:20px;
  background:linear-gradient(135deg,var(--secondary),var(--accent));
  display:flex;
  align-items:center;
  justify-content:center;
  margin-bottom:20px;
  box-shadow:0 15px 30px rgba(46,204,113,0.25);
}

.icon-box i{
  font-size:32px;
  color:#fff;
}

.card h3{
  color:var(--primary);
  margin-bottom:12px;
  font-size:22px;
}

.card p{
  color:#666;
  line-height:1.8;
  font-size:15px;
}

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

.about-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(300px,1fr));
  gap:50px;
  align-items:center;
}

.about-image{
  height:420px;
  border-radius:30px;
  background:linear-gradient(135deg,var(--primary),var(--secondary));
  display:flex;
  align-items:center;
  justify-content:center;
  position:relative;
  overflow:hidden;
}

.about-image i{
  font-size:120px;
  color:#fff;
}

.about-image::before{
  content:'';
  position:absolute;
  width:250px;
  height:250px;
  border-radius:50%;
  background:rgba(255,255,255,0.1);
  top:-80px;
  right:-80px;
}

.about-image::after{
  content:'';
  position:absolute;
  width:180px;
  height:180px;
  border-radius:50%;
  background:rgba(255,255,255,0.1);
  bottom:-50px;
  left:-50px;
}

.about-content h2{
  font-size:42px;
  color:var(--primary);
  margin-bottom:20px;
}

.about-content p{
  color:#666;
  line-height:1.9;
  margin-bottom:15px;
}

.about-list{
  list-style:none;
  margin-top:25px;
}

.about-list li{
  display:flex;
  align-items:center;
  gap:12px;
  margin-bottom:15px;
  color:#555;
}

.about-list i{
  color:var(--accent);
  font-size:20px;
}

/* =========================
TECH STACK
========================= */

.tech-stack{
  display:flex;
  justify-content:center;
  flex-wrap:wrap;
  gap:18px;
}

.tech-item{
  padding:14px 24px;
  border-radius:15px;
  background:#fff;
  box-shadow:0 10px 25px rgba(0,0,0,0.05);
  display:flex;
  align-items:center;
  gap:10px;
  transition:.3s;
}

.tech-item:hover{
  transform:translateY(-5px);
}

.tech-item i{
  font-size:20px;
  color:var(--secondary);
  font-weight:bold;
}

.tech-item span{
  font-weight:600;
  color:var(--primary);
}

/* =========================
PORTFOLIO
========================= */

.portfolio-card{
  overflow:hidden;
  border-radius:25px;
  background:#fff;
  transition:.4s;
  box-shadow:0 10px 30px rgba(0,0,0,0.05);
}

.portfolio-card:hover{
  transform:translateY(-10px);
}

.portfolio-thumb{
  height:220px;
  display:flex;
  align-items:center;
  justify-content:center;
  position:relative;
}

.portfolio-thumb i{
  font-size:80px;
  color:var(--secondary);
}

.portfolio-info{
  padding:30px;
}

.portfolio-info h3{
  color:var(--primary);
  margin-bottom:10px;
}

.portfolio-info p{
  color:#666;
  line-height:1.8;
  font-size:15px;
}

.tags{
  margin-top:18px;
}

.tag{
  display:inline-block;
  padding:7px 14px;
  background:#eafaf1;
  color:var(--secondary);
  border-radius:50px;
  font-size:12px;
  font-weight:600;
  margin-right:8px;
  margin-bottom:8px;
}

/* =========================
CTA
========================= */

.cta{
  background:linear-gradient(135deg,var(--primary),var(--secondary));
  border-radius:35px;
  padding:70px;
  text-align:center;
  position:relative;
  overflow:hidden;
}

.cta::before{
  content:'';
  position:absolute;
  width:350px;
  height:350px;
  border-radius:50%;
  background:rgba(255,255,255,0.06);
  top:-120px;
  right:-120px;
}

.cta h2{
  font-size:45px;
  color:#fff;
  margin-bottom:20px;
  position:relative;
  z-index:2;
}

.cta p{
  color:rgba(255,255,255,0.85);
  max-width:700px;
  margin:auto;
  line-height:1.8;
  margin-bottom:35px;
  position:relative;
  z-index:2;
}

.cta .btn{
  background:#fff;
  color:var(--primary);
  position:relative;
  z-index:2;
}

/* =========================
FOOTER
========================= */

footer{
  background:var(--primary);
  color:#fff;
  padding:80px 0 30px;
}

.footer-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(250px,1fr));
  gap:50px;
  margin-bottom:60px;
}

.footer-logo{
  font-size:26px;
  font-weight:800;
  display:flex;
  align-items:center;
  gap:12px;
  margin-bottom:20px;
}

.footer-logo i{
  color:var(--accent);
}

.footer-brand p{
  color:rgba(255,255,255,0.7);
  line-height:1.9;
  font-size:14px;
}

.footer-col h4{
  margin-bottom:20px;
  font-size:18px;
}

.footer-col ul{
  list-style:none;
}

.footer-col ul li{
  margin-bottom:12px;
}

.footer-col ul li a{
  color:rgba(255,255,255,0.7);
  text-decoration:none;
  transition:.3s;
}

.footer-col ul li a:hover{
  color:var(--accent);
}

.footer-bottom{
  border-top:1px solid rgba(255,255,255,0.1);
  padding-top:25px;
  display:flex;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:20px;
}

.footer-bottom p{
  color:rgba(255,255,255,0.5);
}

.socials{
  display:flex;
  gap:15px;
}

.socials a{
  width:45px;
  height:45px;
  border-radius:50%;
  background:rgba(255,255,255,0.08);
  display:flex;
  align-items:center;
  justify-content:center;
  color:#fff;
  text-decoration:none;
  transition:.3s;
}

.socials a:hover{
  background:var(--accent);
  transform:translateY(-5px);
}

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

.fade{
  opacity:0;
  transform:translateY(40px);
  transition:1s;
}

.fade.show{
  opacity:1;
  transform:translateY(0);
}

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

@media(max-width:900px){

  .hero h1{
    font-size:50px;
  }

  .title{
    font-size:34px;
  }

  .about-content h2{
    font-size:32px;
  }

  .cta{
    padding:50px 30px;
  }

  .cta h2{
    font-size:34px;
  }

}

@media(max-width:768px){

  nav{
    display:none;
  }

  .hero{
    padding-top:120px;
  }

  .hero h1{
    font-size:42px;
  }

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

  section{
    padding:90px 0;
  }

  .cta h2{
    font-size:28px;
  }

}


/* LINK CARD */
.portfolio-link{
  text-decoration:none;
  color:inherit;
  display:block;
}

/* CARD */
.portfolio-card{
  overflow:hidden;
  border-radius:22px;
  background:#fff;
  transition:0.3s ease;
  height:100%;
  box-shadow:0 10px 30px rgba(0,0,0,0.06);
}

.portfolio-card:hover{
  transform:translateY(-6px);
  box-shadow:0 15px 35px rgba(0,0,0,0.10);
}

/* THUMB */
.portfolio-thumb{
  width:100%;
  height:240px;
  display:flex;
  align-items:center;
  justify-content:center;
  overflow:hidden;
  position:relative;
}

/* IMAGE */
.portfolio-thumb img{
  width:100%;
  height:100%;
  object-fit:contain; /* agar tidak terpotong */
  padding:15px;
  transition:0.3s ease;
}

/* HOVER IMAGE */
.portfolio-card:hover img{
  transform:scale(1.03);
}

/* ICON */
.portfolio-thumb i{
  font-size:70px;
  color:#1f2937;
}

/* INFO */
.portfolio-info{
  padding:24px;
}

/* MOBILE */
@media(max-width:768px){

  .portfolio-thumb{
    height:200px;
  }

  .portfolio-thumb img{
    padding:10px;
  }

}

/* HEADER */
header{
  width:100%;
  position:sticky;
  top:0;
  z-index:999;
  background:rgba(255,255,255,0.9);
  backdrop-filter:blur(12px);
  border-bottom:1px solid rgba(0,0,0,0.05);
}

/* WRAP */
.header-wrap{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:14px 0;
  gap:20px;
}

/* LOGO */
.logo{
  display:flex;
  align-items:center;
  gap:10px;
  text-decoration:none;
}

.logo img{
  height:42px;
  width:auto;
  object-fit:contain;
}

/* NAV */
nav{
  display:flex;
  align-items:center;
  gap:28px;
}

/* NAV LINK */
nav a{
  text-decoration:none;
  color:#1f2937;
  font-weight:600;
  font-size:15px;
  transition:0.3s ease;
  position:relative;
}

/* HOVER */
nav a:hover{
  color:#10b981;
}

/* UNDERLINE */
nav a::after{
  content:'';
  position:absolute;
  left:0;
  bottom:-6px;
  width:0%;
  height:2px;
  background:#10b981;
  transition:0.3s;
}

nav a:hover::after{
  width:100%;
}

/* MENU BUTTON */
.menu-toggle{
  display:none;
  border:none;
  background:none;
  font-size:30px;
  cursor:pointer;
  color:#111827;
}

/* MOBILE */
@media(max-width:768px){

  .header-wrap{
    padding:12px 0;
  }

  .logo img{
    height:34px;
  }

  nav{
    position:absolute;
    top:80px;
    left:20px;
    right:20px;
    background:#fff;
    border-radius:18px;
    padding:20px;
    flex-direction:column;
    gap:18px;
    box-shadow:0 10px 30px rgba(0,0,0,0.08);

    opacity:0;
    visibility:hidden;
    transform:translateY(-10px);
    transition:0.3s ease;
  }

  nav.active{
    opacity:1;
    visibility:visible;
    transform:translateY(0);
  }

  .menu-toggle{
    display:block;
  }

}

/* ABOUT */
.about-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:60px;
  align-items:center;
}

/* IMAGE BOX */
.about-image{
  width:100%;
  background:#f4faf7;
  border-radius:30px;
  padding:30px;
  display:flex;
  align-items:center;
  justify-content:center;
  overflow:hidden;
  box-shadow:0 10px 30px rgba(0,0,0,0.05);
}

/* IMAGE */
.about-image img{
  width:100%;
  max-width:420px;
  height:auto;
  object-fit:contain;
  display:block;
}

/* CONTENT */
.about-content h2{
  font-size:42px;
  margin-bottom:18px;
}

/* MOBILE */
@media(max-width:768px){

  .about-grid{
    grid-template-columns:1fr;
    gap:30px;
  }

  .about-image{
    padding:20px;
    border-radius:24px;
  }

  .about-image img{
    max-width:280px;
  }

  .about-content h2{
    font-size:32px;
  }

}