/* =========================================================
   SOSIO·NIEL - Fresh Light Redesign
   Fokus: ringan, bersih, mobile friendly, tanpa efek berat.
   ========================================================= */

*{margin:0;padding:0;box-sizing:border-box}
:root{
  --bg:#f6f8f2;
  --surface:#ffffff;
  --surface-soft:#fffaf3;
  --primary:#214f63;
  --primary-2:#2f6b58;
  --accent:#d98242;
  --accent-soft:#fff0df;
  --brown:#7a5436;
  --text:#1d2935;
  --muted:#627184;
  --line:#e6ecdf;
  --line-2:#f1e3d4;
  --ok:#15803d;
  --warn:#a16207;
  --danger:#b91c1c;
  --shadow:0 12px 30px rgba(33,79,99,.08);
  --shadow-soft:0 5px 16px rgba(33,79,99,.06);
  --radius-xl:28px;
  --radius-lg:20px;
  --radius-md:14px;
  --font-heading:'Montserrat',system-ui,-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;
  --font-body:'Open Sans',system-ui,-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;
}

html{scroll-behavior:smooth}
body{
  min-height:100vh;
  font-family:var(--font-body);
  color:var(--text);
  line-height:1.65;
  background:
    radial-gradient(circle at top left, rgba(216,130,66,.14), transparent 32rem),
    radial-gradient(circle at bottom right, rgba(47,107,88,.12), transparent 34rem),
    linear-gradient(180deg,#fbfcf8 0%,var(--bg) 100%);
  padding:22px 12px;
  overflow-x:hidden;
}
a{color:var(--primary);text-decoration:none;font-weight:700}
a:hover{color:var(--accent)}
ul{list-style:none}
img{max-width:100%;display:block}

/* background ringan */
.bg-pattern{
  position:fixed;inset:0;pointer-events:none;z-index:0;opacity:.18;
  background-image:radial-gradient(circle,rgba(33,79,99,.18) 1px,transparent 1px);
  background-size:34px 34px;
  mask-image:linear-gradient(to bottom,black,transparent 85%);
}
.floating-terms{position:fixed;inset:0;z-index:0;pointer-events:none;opacity:.08;overflow:hidden}
.floating-terms span{position:absolute;font-family:var(--font-heading);font-size:.8rem;font-weight:800;color:var(--primary);letter-spacing:.08em;text-transform:uppercase}
.ambient-blob{display:none!important}

.sosio-card{
  width:min(1080px,100%);
  margin:0 auto;
  position:relative;
  z-index:2;
  background:rgba(255,255,255,.94);
  border:1px solid rgba(230,236,223,.9);
  border-radius:var(--radius-xl);
  box-shadow:var(--shadow);
  overflow:hidden;
}

/* NAV */
.navbar{
  position:sticky;top:0;z-index:20;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:16px 22px;
  background:rgba(255,255,255,.96);
  border-bottom:1px solid var(--line);
}
.logo{
  display:flex;align-items:center;gap:3px;flex-wrap:wrap;
  font-family:var(--font-heading);font-size:1.55rem;font-weight:900;letter-spacing:-.04em;color:var(--primary);
  white-space:nowrap;
}
.logo span{color:var(--accent);font-weight:900}
.logo small{
  margin-left:7px;padding:4px 10px;border-radius:999px;
  background:var(--accent-soft);color:var(--brown);
  font-size:.62rem;letter-spacing:.08em;font-weight:800;text-transform:uppercase;
}
.nav-links{display:flex;gap:6px;align-items:center;justify-content:flex-end;flex-wrap:wrap}
.nav-links li a{
  display:inline-flex;align-items:center;justify-content:center;
  padding:8px 12px;border-radius:999px;
  font-family:var(--font-heading);font-size:.68rem;font-weight:800;letter-spacing:.05em;text-transform:uppercase;
  color:#46566a;border:1px solid transparent;transition:.18s ease;background:transparent;
}
.nav-links li a:hover{background:#f6f8f2;border-color:var(--line);color:var(--primary)}
.nav-links li a.active-tab{background:var(--primary);color:#fff;box-shadow:0 8px 16px rgba(33,79,99,.18)}

/* HEADER */
.profile-header{
  display:flex;align-items:center;gap:22px;padding:30px 28px 24px;
  background:linear-gradient(135deg,#ffffff 0%,#fff9f2 55%,#f3faf5 100%);
  border-bottom:1px solid var(--line);
}
.avatar-sosio{
  width:92px;height:92px;border-radius:24px;overflow:hidden;flex:0 0 auto;
  border:4px solid #fff;box-shadow:var(--shadow-soft);background:#f1f5f9;
}
.avatar-img,.avatar-sosio img{width:100%;height:100%;object-fit:cover}
.avatar-sosio i{align-items:center;justify-content:center;width:100%;height:100%;font-size:2.6rem;color:var(--primary)}
.profile-title h1{font-family:var(--font-heading);font-size:clamp(2.25rem,6vw,4.2rem);line-height:.92;font-weight:900;color:var(--primary);letter-spacing:-.07em}
.profile-title .sub-name{margin-top:12px;display:flex;align-items:center;gap:8px;flex-wrap:wrap;color:var(--muted);font-size:.95rem}
.profile-title .sub-name i{color:var(--accent)}
.profile-title .sub-name span{color:var(--brown);font-weight:700}

.content-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;padding:20px 22px 24px}
.info-section{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:20px;box-shadow:var(--shadow-soft);min-width:0;animation:fadeRise .28s ease both;
}
.info-section:hover{border-color:#ead6c3;box-shadow:0 12px 26px rgba(122,84,54,.08)}
.info-section h2{
  display:flex;align-items:center;gap:9px;margin-bottom:16px;padding-bottom:11px;
  font-family:var(--font-heading);font-size:.98rem;font-weight:900;text-transform:uppercase;letter-spacing:.04em;color:var(--primary);
  border-bottom:1px solid var(--line);
}
.info-section h2 i{color:var(--accent)}
@keyframes fadeRise{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}

.detail-row{display:flex;gap:12px;margin-bottom:9px;font-size:.9rem}
.detail-label{min-width:120px;color:var(--brown);font-family:var(--font-heading);font-size:.7rem;font-weight:900;text-transform:uppercase;letter-spacing:.05em}
.detail-value{color:#334155;font-weight:600;min-width:0;overflow-wrap:anywhere}
.badge-list{display:flex;flex-wrap:wrap;gap:8px;margin-top:8px}
.badge{
  display:inline-flex;align-items:center;padding:6px 11px;border-radius:999px;
  background:var(--accent-soft);border:1px solid var(--line-2);color:var(--brown);
  font-family:var(--font-heading);font-size:.7rem;font-weight:800;
}
.badge:hover{background:var(--primary);border-color:var(--primary);color:#fff}
.timeline-item{position:relative;margin-bottom:13px;padding-left:15px;border-left:3px solid #d9eadb;color:#334155}
.timeline-item strong{font-family:var(--font-heading);color:var(--primary);font-weight:800}
.timeline-item .meta{font-size:.74rem;color:var(--muted);margin-top:2px}
.footer-note{grid-column:1/-1;text-align:center;color:var(--muted);font-size:.78rem;border-top:1px solid var(--line);padding-top:16px;margin-top:4px}

/* GRID CARDS */
.journey-grid,.blog-grid,.repo-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(245px,1fr));gap:14px;margin-top:12px}
.journey-card,.blog-card,.repo-card,.about-card,.bio-block{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:0 4px 14px rgba(33,79,99,.055);overflow:hidden;transition:border-color .18s ease,box-shadow .18s ease,transform .18s ease;
}
.journey-card:hover,.blog-card:hover,.repo-card:hover,.about-card:hover,.bio-block:hover{transform:translateY(-2px);border-color:#ead6c3;box-shadow:0 12px 24px rgba(122,84,54,.08)}

.journey-images{display:grid;grid-template-columns:repeat(2,1fr);gap:2px;order:-1;background:#eef2e8}
.journey-images:has(img:only-child){grid-template-columns:1fr}
.journey-images img{width:100%;height:170px;object-fit:cover;cursor:pointer;background:#eef2e8}
.journey-images img:only-child{height:220px}
.journey-card-header{padding:16px 16px 4px}
.journey-card-header h3{font-family:var(--font-heading);font-size:1rem;line-height:1.35;color:var(--primary);font-weight:800}
.journey-date{display:flex;gap:6px;align-items:center;margin-top:6px;color:var(--brown);font-size:.76rem;font-weight:800}
.journey-info{padding:8px 16px 16px;font-size:.86rem;color:var(--muted)}

.blog-card{padding:18px;display:flex;flex-direction:column}
.blog-card-header h3{font-family:var(--font-heading);font-size:1.02rem;line-height:1.4;color:var(--primary);font-weight:850;margin-bottom:7px}
.blog-meta{display:flex;flex-wrap:wrap;gap:10px;font-size:.72rem;color:var(--muted);margin-bottom:10px}
.blog-meta i{color:var(--accent)}
.blog-excerpt{font-size:.85rem;color:var(--muted);margin-bottom:16px;flex:1}
.blog-read-more,.btn-view,.repo-link,.about-survey-btn,.about-email-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:7px;width:max-content;
  padding:8px 13px;border-radius:999px;background:var(--primary);color:#fff!important;
  font-family:var(--font-heading);font-size:.72rem;font-weight:850;text-decoration:none!important;transition:.18s ease;
}
.blog-read-more:hover,.btn-view:hover,.repo-link:hover,.about-survey-btn:hover,.about-email-btn:hover{background:var(--accent);color:#fff!important;transform:translateY(-1px)}

.repo-card{padding:16px;display:flex;gap:13px;align-items:flex-start;min-height:128px}
.repo-emoji{width:48px;height:48px;flex:0 0 auto;display:flex;align-items:center;justify-content:center;border-radius:16px;background:#f8f5ef;border:1px solid var(--line-2);font-size:1.65rem}
.repo-content{min-width:0;flex:1;display:flex;flex-direction:column}
.repo-name{font-family:var(--font-heading);font-size:1rem;line-height:1.35;color:var(--primary);font-weight:850;overflow-wrap:anywhere}
.repo-desc{font-size:.82rem;color:var(--muted);line-height:1.55;margin:7px 0;overflow-wrap:anywhere}
.repo-desc.collapsed{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.repo-expand-btn{border:0;background:transparent;color:var(--accent);font-family:var(--font-heading);font-size:.72rem;font-weight:850;cursor:pointer;padding:0;margin-bottom:8px}
.repo-meta{display:flex;gap:10px;flex-wrap:wrap;color:var(--muted);font-size:.7rem;margin:4px 0 10px}
.repo-footer{display:flex;justify-content:space-between;gap:8px;align-items:center;flex-wrap:wrap;margin-top:auto}
.repo-status{display:inline-flex;align-items:center;gap:5px;padding:4px 9px;border-radius:999px;font-family:var(--font-heading);font-size:.65rem;font-weight:850}
.repo-status.active{background:#dcfce7;color:#166534}.repo-status.draft{background:#fef3c7;color:#92400e}.repo-status.archived{background:#eef2f7;color:#475569}
.repo-link.disabled{background:#e5e7eb;color:#94a3b8!important;pointer-events:none}

/* PAPER */
.table-responsive{grid-column:1/-1;overflow-x:auto;-webkit-overflow-scrolling:touch;border:1px solid var(--line);border-radius:16px;background:#fff}
.paper-table{width:100%;border-collapse:collapse;font-size:.82rem;min-width:760px}
.paper-table thead{background:var(--primary);color:#fff}
.paper-table th{padding:11px 10px;text-align:left;font-family:var(--font-heading);font-size:.68rem;text-transform:uppercase;letter-spacing:.04em}
.paper-table td{padding:12px 10px;border-bottom:1px solid var(--line);vertical-align:top;color:#334155}
.paper-table tbody tr:hover{background:#fffaf3}
.paper-number,.paper-year{font-family:var(--font-heading);font-weight:900;color:var(--primary)}
.paper-title{font-weight:800;color:var(--primary);margin-bottom:3px}
.paper-authors{font-size:.74rem;color:var(--muted)}
.badge-sinta,.badge-scopus,.badge-type{display:inline-flex;padding:3px 8px;border-radius:999px;font-family:var(--font-heading);font-size:.65rem;font-weight:850}
.s1,.q1{background:#166534;color:#fff}.s2,.q2{background:#22c55e;color:#fff}.s3{background:#a3e635;color:#2d4a1e}.s4{background:#facc15;color:#4a3800}.s5{background:#fb923c;color:#fff}.s6,.none{background:#ef4444;color:#fff}.q3{background:#60a5fa;color:#fff}.q4{background:#3b82f6;color:#fff}.book{background:#fce7f3;color:#831843}.prosiding{background:#ede9fe;color:#4c1d95}

/* BIO */
.bio-wrapper{display:flex;flex-direction:column;gap:16px;grid-column:1/-1}
.bio-block{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(260px,.85fr);gap:18px;padding:18px;align-items:start}
.bio-block.reverse .bio-gallery{order:-1}
.bio-text p{font-size:.9rem;color:#475569;margin-bottom:13px;text-align:justify}
.bio-text strong{color:var(--primary)}.bio-text .highlight{color:var(--accent);font-weight:800}
.bio-gallery{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;position:relative}
.bio-gallery.single{grid-template-columns:1fr}.bio-gallery img{width:100%;height:165px;object-fit:cover;border-radius:16px;background:#eef2e8;cursor:pointer;border:1px solid var(--line)}.bio-gallery.single img{height:260px}
.img-loading-spinner{position:absolute;inset:0;margin:auto;width:34px;height:34px;border-radius:50%;border:3px solid #e5e7eb;border-top-color:var(--accent);animation:spin .75s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}

/* ABOUT */
.about-content{display:flex;flex-direction:column;gap:16px;grid-column:1/-1;width:100%}
.about-hero{text-align:center;padding:30px 18px;border-radius:var(--radius-lg);background:linear-gradient(135deg,#fff7ed,#f2fbf5);border:1px solid var(--line-2)}
.about-icon{font-size:3rem;color:var(--accent);margin-bottom:8px}.about-hero h3{font-family:var(--font-heading);font-size:2rem;color:var(--primary);font-weight:900;letter-spacing:-.04em}.about-tagline{color:var(--muted);font-weight:700}
.about-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:14px}.about-card{padding:18px}.about-card-icon{font-size:2rem;margin-bottom:7px}.about-card h4{font-family:var(--font-heading);font-size:1rem;color:var(--primary);font-weight:850;margin-bottom:7px}.about-card p{font-size:.85rem;color:var(--muted)}
.about-cta,.about-contact{text-align:center;padding:22px;border-radius:var(--radius-lg);background:#fff;border:1px solid var(--line)}.about-cta h3,.about-contact h3{font-family:var(--font-heading);font-size:1.1rem;color:var(--primary);margin-bottom:8px}.about-cta p,.about-contact p{font-size:.88rem;color:var(--muted);margin-bottom:12px}.about-email-btn{background:var(--brown)}

/* LIGHTBOX */
.lightbox-overlay{position:fixed;inset:0;background:rgba(15,23,42,.88);z-index:9999;display:flex;align-items:center;justify-content:center;cursor:zoom-out;padding:18px}.lightbox-overlay img{max-width:94vw;max-height:90vh;object-fit:contain;border-radius:16px;box-shadow:0 18px 55px rgba(0,0,0,.35);cursor:default}.lightbox-close{position:absolute;top:18px;right:24px;color:#fff;font-size:2rem;cursor:pointer;line-height:1}.lightbox-close:hover{color:#fed7aa}

@media (prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}
@media (max-width:900px){.navbar{align-items:flex-start;flex-direction:column}.nav-links{justify-content:flex-start}.bio-block{grid-template-columns:1fr}.bio-block.reverse .bio-gallery{order:0}.content-grid{grid-template-columns:1fr}.profile-header{align-items:flex-start}}
@media (max-width:700px){body{padding:10px 7px}.sosio-card{border-radius:22px}.navbar{padding:13px}.logo{font-size:1.35rem}.logo small{font-size:.56rem}.nav-links{width:100%;display:grid;grid-template-columns:repeat(4,1fr);gap:6px}.nav-links li a{width:100%;padding:8px 5px;font-size:.61rem}.profile-header{padding:22px 16px;gap:14px}.avatar-sosio{width:78px;height:78px;border-radius:20px}.profile-title h1{font-size:2.55rem}.profile-title .sub-name{font-size:.84rem}.content-grid{padding:14px;gap:12px}.info-section{padding:16px;border-radius:18px}.detail-row{flex-direction:column;gap:2px}.detail-label{min-width:0}.journey-grid,.blog-grid,.repo-grid,.about-grid{grid-template-columns:1fr}.journey-images img{height:160px}.bio-gallery{grid-template-columns:1fr 1fr}.bio-gallery img{height:145px}.paper-table{min-width:640px;font-size:.75rem}.repo-card{gap:11px}.footer-note{font-size:.72rem}}
@media (max-width:430px){.nav-links{grid-template-columns:repeat(3,1fr)}.profile-header{text-align:center;align-items:center}.profile-title .sub-name{justify-content:center}.bio-gallery{grid-template-columns:1fr}.bio-gallery img{height:190px}.repo-card{flex-direction:column}.about-survey-btn,.about-email-btn,.blog-read-more{width:100%}.paper-table{min-width:590px}}