/* ═══════════════════════════════════════════════
   Jehun Lee Portfolio — style.css v2.2
   #0A192F · #007AFF · #F8FAFC
   ═══════════════════════════════════════════════ */
@import url('https://cdn.jsdelivr.net/gh/orioncactus/pretendard@v1.3.9/dist/web/static/pretendard.min.css');

/* ── Variables ── */
:root {
  --navy:       #0A192F;
  --navy-mid:   #112240;
  --navy-light: #1D3461;
  --blue:       #007AFF;
  --blue-light: #4DA3FF;
  --blue-dim:   rgba(0,122,255,.12);
  --blue-glow:  rgba(0,122,255,.25);
  --bg:         #F8FAFC;
  --bg-alt:     #EEF2F7;
  --white:      #FFFFFF;
  --text:       #0A192F;
  --text-mid:   #334155;
  --text-muted: #64748B;
  --border:     #E2E8F0;
  --r:          10px;
  --r-lg:       16px;
  --ease:       cubic-bezier(.4,0,.2,1);
  --t:          .3s;
}

/* ── Reset ── */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:'Pretendard',system-ui,sans-serif;background:var(--bg);color:var(--text);line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:var(--blue);text-decoration:none;transition:color var(--t) var(--ease)}
ul{list-style:none}
button{cursor:pointer;border:none;background:none;font-family:inherit}
img{max-width:100%;display:block}

/* ── Layout ── */
.container{max-width:1120px;margin:0 auto;padding:0 2rem}
section{padding:4.5rem 0}
.section-alt{background:var(--bg-alt)}
.section-dark{background:var(--navy)}

/* ── Typography ── */
h1,h2,h3,h4{line-height:1.15;letter-spacing:-.02em}
.section-label{font-size:.72rem;font-weight:700;letter-spacing:.15em;text-transform:uppercase;color:var(--blue);margin-bottom:.5rem}
.section-label.accent{color:var(--blue-light)}
.section-title{font-size:clamp(1.75rem,3vw,2.5rem);font-weight:700;color:var(--navy);margin-bottom:.6rem}
.section-title.light{color:#fff}
.section-subtitle{color:var(--text-muted);font-size:.95rem;margin-bottom:2rem}
.section-subtitle.light{color:rgba(255,255,255,.5)}

/* ── Buttons ── */
.btn{display:inline-flex;align-items:center;gap:.4rem;padding:.65rem 1.35rem;border-radius:7px;font-size:.875rem;font-weight:600;transition:all var(--t) var(--ease);white-space:nowrap}
.btn-primary{background:var(--blue);color:#fff}
.btn-primary:hover{background:var(--blue-light);color:#fff;transform:translateY(-2px);box-shadow:0 8px 24px rgba(0,122,255,.35)}
.btn-outline-white{border:1.5px solid rgba(255,255,255,.3);color:rgba(255,255,255,.8)}
.btn-outline-white:hover{border-color:var(--blue);color:var(--blue);background:var(--blue-dim)}
.btn-ghost{color:rgba(255,255,255,.5);font-size:.82rem}
.btn-ghost:hover{color:#fff}

/* ── Animations ── */
.fade-up{animation:fadeUp .8s var(--ease) both}
.fade-up-delay{animation:fadeUp .8s .25s var(--ease) both}
@keyframes fadeUp{from{opacity:0;transform:translateY(28px)}to{opacity:1;transform:translateY(0)}}
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.reveal.visible{opacity:1;transform:translateY(0)}

/* ════════════════════════════════════════
   NAVBAR
   ════════════════════════════════════════ */
#navbar{position:fixed;top:0;left:0;right:0;z-index:1000;background:rgba(10,25,47,.96);backdrop-filter:blur(14px);border-bottom:1px solid rgba(255,255,255,.06);transition:box-shadow var(--t)}
#navbar.scrolled{box-shadow:0 4px 28px rgba(0,0,0,.35)}
.nav-inner{max-width:1120px;margin:0 auto;padding:0 2rem;height:62px;display:flex;align-items:center;justify-content:space-between}
.nav-logo{font-size:1.2rem;font-weight:800;color:var(--blue);letter-spacing:-.03em}
.nav-links{display:flex;gap:.15rem}
.nav-links a{color:rgba(255,255,255,.6);font-size:.83rem;font-weight:500;padding:.38rem .7rem;border-radius:6px;transition:all var(--t)}
.nav-links a:hover,.nav-links a.active{color:#fff;background:rgba(255,255,255,.08)}
.nav-toggle{display:none;flex-direction:column;gap:5px;padding:4px}
.nav-toggle span{display:block;width:22px;height:2px;background:rgba(255,255,255,.7);border-radius:2px;transition:all var(--t)}

/* ════════════════════════════════════════
   HERO
   ════════════════════════════════════════ */
#hero{min-height:100vh;background:linear-gradient(rgba(8,20,42,.82),rgba(8,20,42,.90)),url('../../background.jpg') center/cover no-repeat var(--navy);display:flex;flex-direction:column;align-items:center;justify-content:center;padding:6rem 2rem 3rem;position:relative;overflow:hidden}
#hero::before{content:'';position:absolute;inset:0;background-image:radial-gradient(rgba(0,122,255,.1) 1px,transparent 1px);background-size:36px 36px;pointer-events:none}
#hero::after{content:'';position:absolute;top:-40%;right:-10%;width:600px;height:600px;background:radial-gradient(ellipse,rgba(0,122,255,.07) 0%,transparent 65%);pointer-events:none}

.hero-inner{max-width:1120px;width:100%;display:grid;grid-template-columns:1fr 300px;gap:2.5rem;align-items:center;position:relative;z-index:1}

.hero-name{font-size:clamp(2.8rem,5.5vw,4.2rem);font-weight:800;color:#fff;line-height:1.05;margin-bottom:.4rem;letter-spacing:-.03em}
.hero-kr{display:block;font-size:.38em;font-weight:400;color:rgba(255,255,255,.35);letter-spacing:.06em;margin-top:.2rem}

/* Title typewriter */
.hero-title-wrap{display:flex;align-items:center;gap:.5rem;margin-bottom:.75rem;min-height:1.8rem}
.hero-title-prefix{color:var(--blue);font-size:1rem;font-weight:700;flex-shrink:0}
.hero-title-text{font-size:.975rem;color:rgba(255,255,255,.65);font-weight:400}
.hero-cursor{color:var(--blue);font-weight:300;animation:blink 1s step-end infinite}
@keyframes blink{0%,100%{opacity:1}50%{opacity:0}}

.hero-location{display:flex;align-items:center;gap:.4rem;color:rgba(255,255,255,.35);font-size:.82rem;margin-bottom:1rem}

/* Research tags */
.hero-tags{display:flex;flex-wrap:wrap;gap:.4rem;margin-bottom:1.4rem}
.hero-tag{font-size:.72rem;font-weight:600;padding:.28rem .7rem;border-radius:20px;background:rgba(0,122,255,.1);border:1px solid rgba(0,122,255,.22);color:var(--blue-light);letter-spacing:.03em}

.hero-actions{display:flex;gap:.65rem;flex-wrap:wrap}

/* ── Photo Column ── */
.hero-photo-col{display:flex;justify-content:center;align-items:center}
/* Static gradient ring — no rotation */
.photo-ring-outer{width:260px;height:260px;border-radius:50%;padding:3px;background:linear-gradient(135deg,var(--blue) 0%,rgba(0,122,255,.3) 60%,rgba(0,122,255,.08) 100%)}
.photo-ring-mid{width:100%;height:100%;border-radius:50%;padding:4px;background:var(--navy)}
.photo-circle{width:100%;height:100%;border-radius:50%;overflow:hidden;background:linear-gradient(135deg,var(--navy-light),#1a3a5c);position:relative;display:flex;align-items:center;justify-content:center}
.photo-circle img{width:100%;height:100%;object-fit:cover;object-position:center top;position:absolute;inset:0}
/* Fallback text — hidden when photo loads, shown on error */
.photo-fallback{font-size:4rem;font-weight:800;color:rgba(255,255,255,.6);position:relative;z-index:1;display:none}

/* ── Scroll hint ── */
.hero-scroll{position:absolute;bottom:2rem;left:50%;transform:translateX(-50%);display:flex;flex-direction:column;align-items:center;gap:.4rem}
.scroll-mouse{width:22px;height:34px;border:2px solid rgba(255,255,255,.25);border-radius:11px;display:flex;justify-content:center;padding-top:5px;animation:floatScroll 2.5s infinite}
@keyframes floatScroll{0%,100%{transform:translateY(0)}50%{transform:translateY(5px)}}
.scroll-dot{width:3px;height:7px;background:var(--blue);border-radius:2px;animation:scrollDot 2.5s infinite}
@keyframes scrollDot{0%{opacity:1;transform:translateY(0)}100%{opacity:0;transform:translateY(10px)}}

/* ════════════════════════════════════════
   IMPACT STRIP
   ════════════════════════════════════════ */
#impact{padding:0;background:var(--navy);border-top:1px solid rgba(255,255,255,.07);border-bottom:1px solid rgba(255,255,255,.07)}
.impact-inner{max-width:1120px;margin:0 auto;padding:0 2rem;display:flex;justify-content:space-around;flex-wrap:wrap}
.impact-item{text-align:center;padding:2rem 1.5rem;position:relative;flex:1;min-width:140px}
.impact-item::after{content:'';position:absolute;right:0;top:25%;height:50%;width:1px;background:rgba(255,255,255,.08)}
.impact-item:last-child::after{display:none}
.impact-num{font-size:2.5rem;font-weight:800;color:var(--blue);display:block;line-height:1}
.impact-label{font-size:.72rem;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:rgba(255,255,255,.4);display:block;margin-top:.4rem}

/* ════════════════════════════════════════
   PHILOSOPHY
   ════════════════════════════════════════ */
#philosophy{background:var(--navy);position:relative;overflow:hidden}
#philosophy::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse at 70% 40%,rgba(0,122,255,.07),transparent 55%);pointer-events:none}
.philosophy-headline{font-size:clamp(3rem,7vw,5.5rem);font-weight:800;color:var(--blue);line-height:1;margin-bottom:1.5rem;letter-spacing:-.04em}
.philosophy-lead{font-size:clamp(1.05rem,1.8vw,1.3rem);color:rgba(255,255,255,.78);max-width:660px;line-height:1.55;margin-bottom:1.5rem;padding-left:1.2rem;border-left:3px solid var(--blue)}
.philosophy-body{max-width:700px;color:rgba(255,255,255,.48);font-size:.93rem;line-height:1.7;margin-bottom:3rem}
.philosophy-body p{margin-bottom:1rem}
.philosophy-pillars{display:grid;grid-template-columns:repeat(3,1fr);gap:1.25rem}
.pillar{background:rgba(255,255,255,.03);border:1px solid rgba(255,255,255,.07);border-radius:var(--r-lg);padding:1.75rem;transition:border-color var(--t),transform var(--t)}
.pillar:hover{border-color:rgba(0,122,255,.35);transform:translateY(-4px)}
.pillar-icon{font-size:1.65rem;margin-bottom:.65rem}
.pillar h3{font-size:.95rem;font-weight:700;color:#fff;margin-bottom:.45rem}
.pillar p{font-size:.84rem;color:rgba(255,255,255,.42);line-height:1.6}

/* ════════════════════════════════════════
   RESEARCH FOCUS
   ════════════════════════════════════════ */
#research{background:var(--white)}
.research-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.25rem;margin-top:2rem}
.research-card{background:var(--bg);border:1px solid var(--border);border-radius:var(--r-lg);padding:1.5rem;transition:border-color var(--t),transform var(--t),box-shadow var(--t)}
.research-card:hover{border-color:var(--blue);transform:translateY(-3px);box-shadow:0 8px 28px rgba(0,122,255,.1)}
.rc-icon{width:44px;height:44px;background:var(--blue-dim);border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:1.3rem;margin-bottom:1rem}
.rc-title{font-size:.95rem;font-weight:700;color:var(--navy);margin-bottom:.4rem}
.rc-desc{font-size:.84rem;color:var(--text-muted);line-height:1.6}

/* ════════════════════════════════════════
   TIMELINE
   ════════════════════════════════════════ */
.timeline{position:relative;padding-left:2.5rem;margin-top:2rem}
.timeline::before{content:'';position:absolute;left:.5rem;top:.5rem;bottom:0;width:2px;background:linear-gradient(to bottom,var(--blue),rgba(0,122,255,.08))}
.timeline-item{position:relative;margin-bottom:2rem;padding:1.65rem;background:var(--white);border:1px solid var(--border);border-radius:var(--r-lg);transition:border-color var(--t),box-shadow var(--t)}
.section-alt .timeline-item{background:var(--white)}
.timeline-item:hover{border-color:var(--blue);box-shadow:0 4px 16px rgba(0,0,0,.07)}
.timeline-item::before{content:'';position:absolute;left:-2.15rem;top:1.7rem;width:12px;height:12px;background:var(--blue);border:3px solid var(--bg-alt);border-radius:50%;box-shadow:0 0 0 2px var(--blue)}
.section-alt .timeline-item::before,.section-white .timeline-item::before{border-color:var(--bg)}
.tl-header{display:flex;justify-content:space-between;align-items:flex-start;gap:1rem;margin-bottom:.4rem;flex-wrap:wrap}
.tl-title{font-size:1rem;font-weight:700;color:var(--navy)}
.tl-period{font-size:.75rem;font-weight:700;color:var(--blue);background:var(--blue-dim);padding:.2rem .6rem;border-radius:20px;white-space:nowrap}
.tl-org{font-size:.88rem;color:var(--text-mid);font-weight:500;margin-bottom:.2rem}
.tl-div{font-size:.8rem;color:var(--text-muted);margin-bottom:.4rem}
.tl-roles{font-size:.87rem;color:var(--text-mid);line-height:1.55}
.tl-region{font-size:.77rem;color:var(--text-muted);margin-top:.35rem;display:flex;align-items:center;gap:.3rem}
.tl-remarks{font-size:.82rem;color:var(--text-muted);margin-top:.35rem}
.tl-link{font-size:.8rem;color:var(--blue);text-decoration:underline}

/* ════════════════════════════════════════
   FEATURED PROJECTS
   ════════════════════════════════════════ */
#featured{background:var(--navy)}
.featured-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.25rem;margin-top:2.5rem}
.featured-card{background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.09);border-radius:var(--r-lg);padding:1.75rem;display:flex;flex-direction:column;gap:.75rem;transition:border-color var(--t),transform var(--t),background var(--t)}
.featured-card:hover{border-color:rgba(0,122,255,.45);background:rgba(0,122,255,.06);transform:translateY(-4px)}
.fc-badge{display:inline-flex;align-items:center;gap:.4rem;font-size:.7rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--blue-light);background:rgba(0,122,255,.12);padding:.25rem .65rem;border-radius:20px;width:fit-content}
.fc-client{font-size:.8rem;color:rgba(255,255,255,.4);font-weight:500}
.fc-title{font-size:.97rem;font-weight:700;color:#fff;line-height:1.4;flex:1}
.fc-period{font-size:.77rem;color:rgba(255,255,255,.35)}
.fc-tags{display:flex;flex-wrap:wrap;gap:.35rem;margin-top:.25rem}
.fc-tag{font-size:.68rem;padding:.18rem .5rem;border-radius:4px;background:rgba(255,255,255,.06);color:rgba(255,255,255,.5);border:1px solid rgba(255,255,255,.1)}

/* ════════════════════════════════════════
   PROJECTS GRID
   ════════════════════════════════════════ */
#projects{background:var(--white)}
.proj-filter-bar{display:flex;gap:.4rem;margin-bottom:1.5rem;flex-wrap:wrap}
.projects-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(330px,1fr));gap:1.1rem;margin-top:0}
.project-card{background:var(--bg);border:1px solid var(--border);border-radius:var(--r-lg);padding:1.4rem;display:flex;flex-direction:column;transition:border-color var(--t),transform var(--t);cursor:pointer}
.project-card:hover{border-color:var(--blue);transform:translateY(-2px)}
.project-card.hidden{display:none}
.project-meta{display:flex;justify-content:space-between;align-items:center;gap:.5rem;margin-bottom:.6rem;flex-wrap:wrap}
.project-index{font-size:.68rem;font-weight:700;color:rgba(0,122,255,.55);letter-spacing:.08em}
.project-period{font-size:.73rem;color:var(--text-muted)}
.project-title{font-size:.9rem;font-weight:600;color:var(--navy);line-height:1.4;flex:1;margin-bottom:.5rem}
.project-footer{display:flex;flex-wrap:wrap;gap:.35rem;margin-top:auto;padding-top:.65rem;border-top:1px solid var(--border)}
.tag{font-size:.7rem;font-weight:600;padding:.18rem .55rem;border-radius:20px;background:var(--blue-dim);color:var(--blue)}
.tag.org{background:rgba(10,25,47,.06);color:var(--text-mid)}
.tag.pm{background:rgba(16,185,129,.12);color:#047857}
.project-remarks{font-size:.8rem;color:var(--text-muted);margin-top:.35rem;line-height:1.4}
.project-popup-hint{font-size:.68rem;font-weight:600;color:var(--blue);letter-spacing:.04em;opacity:.7}

/* ════════════════════════════════════════
   PUBLICATIONS
   ════════════════════════════════════════ */
.pub-filter-bar{display:flex;gap:.4rem;margin-bottom:1.5rem;flex-wrap:wrap}
.filter-btn{padding:.35rem .85rem;border-radius:20px;font-size:.76rem;font-weight:600;border:1.5px solid var(--border);color:var(--text-muted);background:var(--white);transition:all var(--t)}
.filter-btn.active,.filter-btn:hover{border-color:var(--blue);color:var(--blue);background:var(--blue-dim)}
.pub-list{display:flex;flex-direction:column;gap:.4rem}
.pub-item{background:var(--white);border:1px solid var(--border);border-radius:var(--r);padding:.75rem 1.2rem;display:flex;gap:1rem;align-items:flex-start;transition:border-color var(--t)}
.pub-item:hover{border-color:var(--blue)}
.pub-item.hidden{display:none}
.pub-num{font-size:.78rem;font-weight:700;color:var(--blue);min-width:28px;opacity:.55;padding-top:.1rem}
.pub-body{flex:1}
/* Author row: author text + View Paper link side by side */
.pub-authors-row{display:flex;align-items:baseline;justify-content:space-between;gap:.75rem;margin-bottom:.2rem;flex-wrap:wrap}
.pub-authors{font-size:.82rem;color:var(--text-muted);flex:1;line-height:1.45}
.pub-link{font-size:.75rem;color:var(--blue);text-decoration:underline;white-space:nowrap;flex-shrink:0;font-weight:500}
.pub-title{font-size:.9rem;font-weight:600;color:var(--navy);line-height:1.4;margin-bottom:.2rem}
.pub-venue{font-size:.8rem;color:var(--text-mid);line-height:1.45}
.pub-badges{display:flex;gap:.3rem;margin-top:.3rem;flex-wrap:wrap}
.badge{font-size:.67rem;font-weight:700;padding:.12rem .44rem;border-radius:4px;letter-spacing:.03em}
.badge-journal{background:rgba(0,122,255,.12);color:var(--blue)}
.badge-conf{background:rgba(10,25,47,.08);color:var(--navy)}
.badge-poster{background:rgba(245,158,11,.12);color:#B45309}
.badge-1st{background:rgba(16,185,129,.12);color:#047857}
.badge-domestic{opacity:.75}

/* ════════════════════════════════════════
   SKILLS
   ════════════════════════════════════════ */
.skills-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:1.1rem;margin-top:2rem}
.skill-card{background:var(--white);border:1px solid var(--border);border-radius:var(--r-lg);padding:1.4rem;transition:border-color var(--t)}
.skill-card:hover{border-color:var(--blue)}
.skill-category{font-size:.7rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--blue);margin-bottom:.65rem}
.skill-tags{display:flex;flex-wrap:wrap;gap:.38rem}
.skill-tag{font-size:.82rem;padding:.28rem .65rem;border-radius:6px;background:var(--bg);border:1px solid var(--border);color:var(--text-mid);font-weight:500;transition:all var(--t)}
.skill-tag:hover{border-color:var(--blue);color:var(--blue);background:var(--blue-dim)}

/* ════════════════════════════════════════
   AWARDS
   ════════════════════════════════════════ */
#awards{background:var(--white)}
.awards-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:1.1rem;margin-top:2rem}
.award-card{background:var(--bg);border:1px solid var(--border);border-radius:var(--r-lg);padding:1.4rem;transition:border-color var(--t),transform var(--t)}
.award-card:hover{border-color:var(--blue);transform:translateY(-2px)}
.award-date{font-size:.72rem;font-weight:700;color:var(--blue);margin-bottom:.4rem}
.award-date-unknown{color:var(--text-muted);opacity:.4;font-weight:400}
.award-title{font-size:.93rem;font-weight:700;color:var(--navy);line-height:1.3;margin-bottom:.35rem}
.award-desc{font-size:.82rem;color:var(--text-mid);margin-bottom:.3rem;line-height:1.5}
.award-org{font-size:.8rem;color:var(--text-muted);line-height:1.5}
.award-remarks{display:inline-block;margin-top:.45rem;font-size:.75rem;font-weight:700;color:var(--blue);background:var(--blue-dim);padding:.13rem .48rem;border-radius:4px}

/* ════════════════════════════════════════
   PATENTS
   ════════════════════════════════════════ */
.patents-list{margin-top:2rem;display:flex;flex-direction:column;gap:.9rem}
.patent-card{background:var(--white);border:1px solid var(--border);border-radius:var(--r-lg);padding:1.65rem;transition:border-color var(--t)}
.patent-card:hover{border-color:var(--blue)}
.patent-title{font-size:.97rem;font-weight:700;color:var(--navy);margin-bottom:.45rem}
.patent-desc{font-size:.87rem;color:var(--text-mid);margin-bottom:.7rem;line-height:1.65}
.patent-meta{display:flex;flex-wrap:wrap;gap:.9rem;font-size:.8rem;color:var(--text-muted)}
.patent-meta span strong{color:var(--text-mid);font-weight:600}

/* ════════════════════════════════════════
   ACTIVITIES
   ════════════════════════════════════════ */
#activities{background:var(--white)}
.activities-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(290px,1fr));gap:.9rem;margin-top:2rem}
.activity-card{background:var(--bg);border:1px solid var(--border);border-radius:var(--r);padding:1.15rem;display:flex;flex-direction:column;gap:.25rem;transition:border-color var(--t)}
.activity-card:hover{border-color:var(--blue)}
.activity-role{font-size:.72rem;font-weight:700;color:var(--blue);text-transform:uppercase;letter-spacing:.06em}
.activity-org{font-size:.9rem;font-weight:600;color:var(--navy);line-height:1.3}
.activity-period{font-size:.77rem;color:var(--text-muted)}
.activity-location{font-size:.77rem;color:var(--text-muted)}

/* ════════════════════════════════════════
   MODAL (Project Detail)
   ════════════════════════════════════════ */
.modal-overlay{position:fixed;inset:0;background:rgba(10,25,47,.82);backdrop-filter:blur(4px);z-index:2000;display:flex;align-items:center;justify-content:center;padding:1.5rem;opacity:0;pointer-events:none;transition:opacity var(--t)}
.modal-overlay.open{opacity:1;pointer-events:all}
.modal-content{background:var(--white);border-radius:var(--r-lg);padding:2rem;max-width:580px;width:100%;max-height:85vh;overflow-y:auto;position:relative;transform:translateY(16px);transition:transform var(--t)}
.modal-overlay.open .modal-content{transform:translateY(0)}
.modal-close{position:absolute;top:1rem;right:1rem;width:30px;height:30px;border-radius:50%;background:var(--bg);border:1px solid var(--border);color:var(--text-muted);display:flex;align-items:center;justify-content:center;font-size:.82rem;cursor:pointer;transition:all var(--t)}
.modal-close:hover{background:var(--navy);color:#fff;border-color:var(--navy)}
.modal-badge{display:inline-flex;align-items:center;gap:.4rem;font-size:.7rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--blue);background:var(--blue-dim);padding:.25rem .7rem;border-radius:20px;margin-bottom:1rem}
.modal-title{font-size:1.15rem;font-weight:700;color:var(--navy);line-height:1.4;margin-bottom:1rem}
.modal-field{padding:.6rem 0;border-bottom:1px solid var(--border)}
.modal-field:last-child{border-bottom:none}
.modal-field-label{display:block;font-size:.68rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--text-muted);margin-bottom:.2rem}
.modal-field-value{font-size:.9rem;color:var(--text-mid);line-height:1.55}

/* ════════════════════════════════════════
   CONTACT
   ════════════════════════════════════════ */
.contact-intro{font-size:.97rem;color:rgba(255,255,255,.5);max-width:540px;margin-bottom:2rem;line-height:1.6}
.contact-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:.9rem}
.contact-card{background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.08);border-radius:var(--r-lg);padding:1.4rem;display:flex;align-items:center;gap:.9rem;text-decoration:none;transition:all var(--t)}
.contact-card:hover{border-color:rgba(0,122,255,.45);background:rgba(0,122,255,.07);transform:translateY(-2px)}
.contact-icon{width:40px;height:40px;background:var(--blue-dim);border-radius:9px;display:flex;align-items:center;justify-content:center;font-size:1rem;flex-shrink:0}
.contact-info{flex:1;overflow:hidden}
.contact-label{font-size:.68rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:rgba(255,255,255,.35);display:block;margin-bottom:.15rem}
.contact-value{font-size:.84rem;color:#fff;font-weight:500;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;display:block}

/* ════════════════════════════════════════
   FOOTER
   ════════════════════════════════════════ */
footer{background:var(--navy);border-top:1px solid rgba(255,255,255,.06);padding:1.5rem 0}
.footer-inner{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:.5rem;font-size:.78rem;color:rgba(255,255,255,.28)}
.footer-name{font-weight:600;color:rgba(255,255,255,.55)}

/* ════════════════════════════════════════
   RESPONSIVE
   ════════════════════════════════════════ */
@media(max-width:960px){
  .hero-inner{grid-template-columns:1fr;text-align:center}
  .hero-photo-col{order:-1;justify-content:center}
  .hero-tags,.hero-actions{justify-content:center}
  .hero-title-wrap{justify-content:center}
  .hero-location{justify-content:center}
  .philosophy-pillars{grid-template-columns:1fr}
  .research-grid{grid-template-columns:repeat(2,1fr)}
  .featured-grid{grid-template-columns:1fr}
  .photo-ring-outer{width:200px;height:200px}
}
@media(max-width:768px){
  section{padding:4rem 0}
  .nav-links{display:none;flex-direction:column;position:absolute;top:62px;left:0;right:0;background:rgba(10,25,47,.98);padding:1rem;border-bottom:1px solid rgba(255,255,255,.08)}
  .nav-links.open{display:flex}
  .nav-links a{padding:.7rem 1rem;font-size:.92rem;border-radius:8px}
  .nav-toggle{display:flex}
  #hero{padding:6rem 1.5rem 4rem}
  .hero-scroll{display:none}
  .projects-grid{grid-template-columns:1fr}
  .awards-list{grid-template-columns:1fr}
  .research-grid{grid-template-columns:1fr}
  .activities-grid{grid-template-columns:1fr}
  .impact-inner{gap:0}
  .impact-item{padding:1.5rem .75rem;min-width:100px}
  .impact-num{font-size:2rem}
  .modal-content{padding:1.5rem}
}
@media(max-width:480px){
  .container{padding:0 1.25rem}
  .hero-actions{flex-direction:column;align-items:center}
  .hero-actions .btn{width:100%;justify-content:center}
  .pub-item{flex-direction:column}
  .pub-authors-row{flex-direction:column;align-items:flex-start;gap:.3rem}
}