:root{
   --nav-height:60px;
   --accent:#6c63ff;
   --bg:#F15B22;/*disini*/
   --fg:#e6eef8;
 }
 *{box-sizing:border-box}
 html,body{height:100%;margin:0;font-family:Inter, system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial;background:var(--bg);color:var(--fg);scroll-behavior:smooth}

/* top navigation */
.nav{position:fixed;inset:0 0 auto 0;height:var(--nav-height);display:flex;align-items:center;justify-content:center;backdrop-filter:blur(6px);z-index:40}
.nav .bar{width:100%;max-width:1100px;display:flex;gap:12px;padding:10px 16px;align-items:center;z-index:200;}
.logo{font-weight:700;letter-spacing:0.4px}
.nav-buttons{margin-left:auto;display:flex;gap:8px}
.btn{background:transparent;border:2px solid rgba(255,255,255,0.10);padding:10px 14px;border-radius:999px;color:var(--fg);cursor:pointer;transition:all .2s;font-weight: bold;}
.btn:hover{transform:translateY(-3px);box-shadow:0 6px 18px rgba(0,0,0,0.6)}
.btn.primary{background:linear-gradient(90deg,var(--accent),#9f7cff);border:none}

main{margin-top:var(--nav-height)}

/* sections */
section{min-height:100vh;display:grid;place-items:center;padding:64px 20px;position:relative;overflow:hidden}
.section-inner{width:100%;display:flex;gap:40px;align-items:center;position:relative;}
.section-inner-home{width:100%;align-items:center;position:relative;text-align:center;}
/*.section-inner-profile{width:100%;display:flex;gap:40px;align-items:center;position:relative;z-index:3;}*/
.section-inner-porto{width:100%;display:flex;gap:40px;align-items:center;position:relative;z-index:3;}
.section-inner-contact{width:100%;display:flex;gap:40px;align-items:center;position:relative;z-index:3;}

}
.content{flex:1}
/*.content-profile{margin:auto;position:relative;z-index:3;text-align:left;max-width:auto;}*/
.content-porto{margin:auto;position:relative;text-align:center;max-width:auto;}
.content-contact{margin:auto;position:relative;text-align:center;max-width:auto;}
h1{font-size:clamp(28px,6vw,56px);}
#home h1 {text-align: center;}
/*#profile h1 {text-align: left;}*/
#portfolio h1 {text-align: center;margin-top:0;}
p.lead{font-size:1.05rem;opacity:0.9;max-width:48ch;}
p.lead-porto{font-size:1.05rem;opacity:0.9;}

.scroll-down {position: relative;cursor: pointer;animation: bounce 1.5s infinite;z-index: 3;}

@keyframes bounce {0%, 20%, 50%, 80%, 100% {transform: translate(-50%, 0);}
  40% {transform: translate(-50%, -8px);}
  60% {transform: translate(-50%, -4px);}
}

/* parallax layers */
.parallax-layer{position:absolute;inset:0;pointer-events:none}
.parallax-layer .shape{position:absolute;will-change:transform;opacity:0.18}

/* different background visuals for sections 
#home{background:linear-gradient(180deg,#071029 0%, #071a2b 100%)}*/

.home-radial-animate {
  width: 100%;
  height: auto;
  background: radial-gradient(circle, #F15B22, #FC9729, #F15B22 75%);
  background-size: 400% 400%;
  animation: gradientPulse 10s ease infinite;
}

@keyframes gradientPulse {
  0%   { background-position: 5% 5%; }
  25%  { background-position: 90% 0%; }
  50%  { background-position: 90% 90%; }
  75% { background-position: 0% 90%; }
  100% { background-position: 5% 5%; }
}
#profile{background:linear-gradient(180deg, #006060 0%, #006060 100%)}
#portfolio{background:linear-gradient(180deg,#08111c 0%, #0c1a2a 100%)}
#contact{background:linear-gradient(180deg,#041018 0%, #002029 100%)}

/* canvas area for three.js */
.three-wrap{flex:1;min-height:420px;border-radius:14px;overflow:hidden;background:linear-gradient(180deg,rgba(255,255,255,0.02),transparent);box-shadow:inset 0 -40px 80px rgba(0,0,0,0.6)}
#container3D canvas,
#container3D2 canvas,
#container3D3 canvas,
#container3D4 canvas {
  width: 100vw !important;
  height: 100vh !important;
  position: absolute;
  top: 0;
  left: 0;
  z-index:2;
}

/* simple responsive layout */
@media (max-width:900px){.section-inner{flex-direction:column-reverse}.nav .bar{padding:8px}.logo{font-size:14px}}

/*css portfolio canvas*/
	.projects {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    padding: 2rem;
    max-width: 1200px;
    margin: auto;
    z-index: 3;
	}

	.project {
		background: rgba(255, 255, 255, 0.05);
		border-radius: 15px;
		overflow: hidden;
		box-shadow: 0 0 20px rgba(0,0,0,0.3);
		transition: transform 0.4s ease, box-shadow 0.4s ease;
		cursor: pointer;
		position: relative;
	}
	
	/* card info overlay on hover */
	.projects .project .card-info {
		position: absolute;
		bottom: 0;
		width: 100%;
		height: auto;
		background: rgba(0, 0, 0, 0.8);
		padding: 5px;
		transform: translateY(100%);
		transition: transform 0.3s ease;
	}
	.projects .project:hover .card-info {
		transform: translateY(0);
	}
	
    /* === MEDIA (image + video) === */
	.project img,
	.project video {
		width: 100%;
		height: 100%;
		min-height: 350px;
		object-fit: cover;
		filter: brightness(0.8);
		transition: filter 0.4s ease, transform 0.3s ease;
		display: block;
		cursor: pointer;
	}

	.project video {
		display: none;
	}
	
    .project h2 {
    padding: 1rem;
    font-size: 1.5rem;
	}
	.project p {
		padding: 0 1rem 1rem;
		font-size: 1rem;
		opacity: 0.8;
	}

    .project:hover {
    transform: translateY(-10px);
    box-shadow: 0 0 30px rgba(255,255,255,0.2);
	}

    .project:hover img,
	.project:hover video	{
		transform: scale(1.1);
        filter: brightness(1);
		transition: transform 0.3s ease;
    }

    footer {
        text-align: center;
        padding: 1.5rem;
        font-size: 0.9rem;
		background-color:#08111c;
    }
    @keyframes float {
    0%   { transform: translateY(0px); }
    50%  { transform: translateY(-10px); }
    100% { transform: translateY(0px); }
	}
	.project:nth-child(1) { animation: float 4s ease-in-out infinite; }
	.project:nth-child(2) { animation: float 5s ease-in-out infinite; }
	.project:nth-child(3) { animation: float 6s ease-in-out infinite; }
	.project:nth-child(4) { animation: float 6s ease-in-out infinite; }
	.project:nth-child(5) { animation: float 5s ease-in-out infinite; }
	.project:nth-child(6) { animation: float 4s ease-in-out infinite; }

    /* Modal styles */
	.modal {
	  display: none;
	  position: fixed;
	  z-index: 1000;
	  left: 0;
	  top: 0;
	  width: 100%;
	  height: 100%;
	  background: rgba(0,0,0,0.7);
	  backdrop-filter: blur(5px);
	  justify-content: center;
	  align-items: center;
	  padding: 1rem;
	}

	.modal-content {
	  background: rgba(255,255,255,0.05);
	  border-radius: 15px;
	  padding: 2rem;
	  max-width: 700px;
	  width: 100%;
	  box-shadow: 0 0 30px rgba(0,0,0,0.4);
	  position: relative;
	}

	#modalMedia img, 
	#modalMedia video {
	  width: 100%;
	  border-radius: 10px;
	  margin-bottom: 1rem;
	}

    .modal-content h2 {
        margin-top: 0;
    }
    .close {
        position: absolute;
        top: 15px;
        right: 20px;
        font-size: 1.5rem;
        cursor: pointer;
        background: rgba(255,255,255,0.1);
        border-radius: 50%;
        padding: 0.3rem 0.6rem;
        transition: background 0.3s;
    }
    .close:hover {
        background: rgba(255,255,255,0.3);
    }
    @keyframes fadeIn {
        from { opacity: 0; transform: translateY(-20px); }
        to { opacity: 1; transform: translateY(0); }
    }
	/* overlay title + description */
	.overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 0.2rem;
    background: linear-gradient(to top, rgba(0,0,0,0.5), transparent);
	}
	.overlay p {
		opacity: 0;
		max-height: 0;
		overflow: hidden;
		transition: all 0.6s ease;
	}
	.overlay h2 {
    text-align: center;
    max-height: 0;
    overflow: visible;
    transition: all 0.8s ease;
	}
	.project:hover .overlay h2,
	.project:hover .overlay p {
		opacity: 0.9;
		max-height: 150px;
		transition: all 0.6s ease;
	}
	
/*contact background*/
:root {
  --line-color: #030617;     /* Grid line color */
  --step: 3px;               /* Grid spacing */
  --border: 1px;             /* Line thickness */
  --ambient-alpha: 0.25;     /* Glow brightness */
}

/* CONTACT SECTION BACKGROUND */
#contact {
  position: relative;
  overflow: hidden; /* prevents background from spilling outside */
}

#contact .scene {
  position: absolute;
  inset: 0;
  z-index: 0; /* behind the content */
}

/* GRID LINES */
#contact .grid {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    repeating-linear-gradient(
      to bottom,
      var(--line-color) 0,
      var(--line-color) var(--border),
      transparent var(--border),
      transparent var(--step)
    ),
    repeating-linear-gradient(
      to right,
      var(--line-color) 0,
      var(--line-color) var(--border),
      transparent var(--border),
      transparent var(--step)
    );
  animation: grid-drift 12s linear infinite;
}

/* AMBIENT GLOW - smooth breathing */
#contact .ambient {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(
    circle at 50% 60%,
    rgba(200, 200, 255, var(--ambient-alpha)) 0%,
    rgba(200, 200, 255, 0) 55%
  );
  background-repeat: no-repeat;
  background-size: 120% 120%; /* slightly bigger than viewport */
  background-position: center;
  mix-blend-mode: screen;
  animation: breathe-smooth 8s ease-in-out infinite;
  z-index: 1;
}

/* ENSURE CONTENT IS ABOVE BACKGROUND */
#contact .section-inner-contact {
  position: relative;
  z-index: 10;
}

/* Animations */
@keyframes breathe-smooth {
  0%, 100% {
    background-size: 110% 110%;
    opacity: 0.2;
  }
  50% {
    background-size: 140% 140%;
    opacity: 0.6;
  }
}

@keyframes grid-drift {
  0%   { background-position: 0 0, 0 0; }
  100% { background-position: 0 calc(var(--step) * 0.9),
                               calc(var(--step) * 0.9) 0; }
}


.section-inner-profile {
  display: flex;
  align-items: center;      /* vertical centering */
  justify-content: center;  /* horizontal centering */
  gap: 40px;                 /* space between image and text */
  min-height: 100%;          /* fill section height */
  position: relative;
  z-index: 2;                /* above background shapes */
}

.profile-arch {
  width: 200px;
  height: 260px;
  background: white;
  border-radius: 5%;
  overflow: hidden;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
  animation: float-updown 4s ease-in-out infinite;
  flex-shrink: 0; /* prevent squishing */
  position: relative;
}

.profile-arch img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.content-profile {
  max-width: 500px;
}

@keyframes float-updown {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

  #backToTop {
  display: none; /* hidden until scrolled */
  width: 48px; height: 48px;
  background: rgba(0,0,0,0.6);
  border-radius: 50%;
  display: grid; place-items: center;
  box-shadow: 0 6px 14px rgba(0,0,0,.25);
  transition: transform .2s ease, background .2s ease;
}
#backToTop:hover { transform: translateY(-3px); background: rgba(0,0,0,0.75); }