/* ===================================================================
   Sam EskandariNasab — Interactive 3D CV
   Light blue & white palette · glassmorphism · 3D + scroll motion

   DESIGN SYSTEM
   - Spacing: 4px scale (--sp-1 … --sp-8) + section rhythm tokens
   - Type: fixed scale (--text-xs/sm/base/md/title + fluid h1/h2)
   - Surfaces: one card recipe (padding, radius, border, shadow)
   - Motion: one ease, two durations, one hover lift
   =================================================================== */

:root{
  /* ---- color (unchanged) ---- */
  --bg:            #f6fbff;
  --bg-alt:        #eaf6fd;
  --bg-alt-2:      #dcedfa;
  --ink:           #12283c;
  --ink-soft:      var(--ink);
  --ink-faint:     var(--ink);

  --coral:         #2f93d6;
  --coral-soft:    #7cc3ec;
  --amber:         #a7d8f2;
  --sky:           #5bb3e8;
  --sky-deep:      #1f74b3;
  --lavender:      #6fb3e8;
  --mint:          #bfe3f7;

  --grad-warm: linear-gradient(135deg, var(--coral) 0%, var(--sky) 55%, var(--mint) 100%);
  --grad-cool: linear-gradient(135deg, var(--lavender) 0%, var(--sky-deep) 60%, var(--coral-soft) 100%);
  --grad-hero: linear-gradient(180deg, #ffffff 0%, #f2f9fd 45%, #e4f2fb 100%);

  --glass: rgba(255,255,255,0.62);
  --glass-strong: rgba(255,255,255,0.82);
  --glass-border: rgba(255,255,255,0.75);

  --shadow-sm: 0 8px 24px -12px rgba(30,90,150,0.16);
  --shadow-md: 0 20px 50px -18px rgba(30,90,150,0.20);
  --shadow-lg: 0 30px 80px -24px rgba(30,90,150,0.26);

  /* ---- spacing scale ---- */
  --sp-1: .25rem;
  --sp-2: .5rem;
  --sp-3: .75rem;
  --sp-4: 1rem;
  --sp-5: 1.5rem;
  --sp-6: 2rem;
  --sp-7: 3rem;
  --sp-8: 4rem;

  /* section rhythm */
  --section-y: clamp(4.5rem, 8vw, 7rem);
  --section-x: clamp(1.4rem, 4vw, 2rem);

  /* grids & layout */
  --gap: 1.25rem;        /* all card grids */
  --gap-lg: 3rem;        /* feature two-column layouts */

  /* card recipe */
  --card-pad: var(--sp-5) 1.75rem;

  /* type scale */
  --text-xs:    .7rem;   /* labels, dates, tags, eyebrows */
  --text-sm:    .81rem;  /* meta, captions, pills, buttons */
  --text-base:  .88rem;  /* BODY PROSE — every readable paragraph & list row, site-wide */
  --text-md:    .97rem;  /* brand wordmark, contact emails */
  --text-title: 1.06rem; /* card headings */

  /* fluid heading scale */
  --h1: clamp(1.55rem, 2.6vw, 2.25rem);
  --h2: clamp(1.6rem, 3vw, 2.35rem);

  /* pill recipe — one padding for every rounded pill on the site */
  --pill-pad: .55rem 1.1rem;

  /* letter tracking */
  --track-label: .05em;  /* dates, tags */
  --track-wide:  .11em;  /* eyebrows */

  /* motion */
  --ease-out: cubic-bezier(.22,.9,.3,1);
  --dur-fast: .2s;
  --dur-med:  .25s;
  --lift: translateY(-3px);

  --radius-lg: 28px;
  --radius-md: 20px;
  --radius-sm: 14px;

  --font-display: "Fraunces", "Iowan Old Style", serif;
  --font-body: "Plus Jakarta Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  --container: 1180px;
  --nav-h: 84px;
}

*, *::before, *::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
html, body{ margin:0; padding:0; }

body{
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img{ max-width:100%; display:block; }
a{ color: inherit; text-decoration:none; }
ul, ol{ margin:0; padding:0; list-style:none; }
h1,h2,h3,h4{ font-family: var(--font-display); font-weight:600; margin:0; color: var(--ink); }
p{ margin:0; }
button{ font-family: inherit; cursor:pointer; border:none; background:none; color:inherit; }

::selection{ background: var(--coral); color:#fff; }

/* Texture + cursor glow */
.grain{
  position:fixed; inset:0; z-index:2; pointer-events:none; opacity:.035; mix-blend-mode:multiply;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
.cursor-glow{
  position:fixed; top:0; left:0; width:420px; height:420px; border-radius:50%;
  pointer-events:none; z-index:1; transform:translate(-50%,-50%);
  background: radial-gradient(circle, rgba(47,147,214,0.16) 0%, rgba(111,179,232,0.10) 45%, transparent 70%);
  transition: opacity .4s ease;
  will-change: transform;
}

.scroll-progress{
  position:fixed; top:0; left:0; width:100%; height:3px; z-index:60;
  background: var(--grad-warm); transform-origin: 0 50%; transform: scaleX(0);
  pointer-events:none;
}

/* ---------------- split-word headings ---------------- */
.split-heading{ overflow:visible; }
.split-heading .word{ display:inline-block; overflow:hidden; vertical-align:top; padding-bottom:.12em; margin-bottom:-.12em; }
.split-heading .word-inner{ display:inline-block; will-change: transform, opacity; }

.eyebrow{
  font-size: var(--text-xs); font-weight:700; letter-spacing: var(--track-wide); text-transform:uppercase;
  color: var(--coral); margin-bottom: var(--sp-3); display:block;
}

.section{ position:relative; max-width: var(--container); margin:0 auto; padding: var(--section-y) var(--section-x); z-index:3; }
.section h2{ font-size: var(--h2); margin-bottom: var(--sp-6); max-width:640px; }

/* ---------------- reveal-on-scroll base ---------------- */
.reveal{ opacity:0; transform: translateY(28px); }
.reveal.in-view{
  animation: revealUp .85s var(--ease-out) forwards;
}
@keyframes revealUp{ to{ opacity:1; transform:none; } }

/* =================== NAV =================== */
.nav{
  position:fixed; top:0; left:0; right:0; z-index:50;
  display:flex; align-items:center; justify-content:space-between;
  padding: 0 clamp(1.2rem, 4vw, 3rem);
  height: var(--nav-h);
  background: rgba(246,251,255,0.6);
  backdrop-filter: blur(16px) saturate(140%);
  -webkit-backdrop-filter: blur(16px) saturate(140%);
  transition: box-shadow var(--dur-med) ease, background var(--dur-med) ease;
}
.nav.is-scrolled{ background: rgba(246,251,255,0.86); box-shadow: 0 10px 30px -18px rgba(20,90,150,0.22); }

.nav-brand{ display:flex; align-items:center; gap: var(--sp-2); font-family:var(--font-display); font-weight:600; font-size: var(--text-md); flex:0 0 auto; white-space:nowrap; }
.nav-brand img{ width:30px; height:30px; border-radius:8px; object-fit:cover; }

.nav-links{ display:flex; align-items:center; gap: clamp(1rem, 2vw, 1.8rem); font-size: var(--text-base); font-weight:500; }
.nav-links a{ position:relative; color: var(--ink-soft); padding:.3rem 0; transition: color var(--dur-fast) ease; }
.nav-links a:hover, .nav-links a.is-active{ color: var(--ink); }
.nav-links a[data-nav]::after{
  content:""; position:absolute; left:0; bottom:-2px; height:2px; width:0%;
  background: var(--grad-warm); transition: width var(--dur-med) ease;
}
.nav-links a[data-nav]:hover::after, .nav-links a[data-nav].is-active::after{ width:100%; }

a.nav-cta{
  background: var(--ink); color:#fff !important; padding: var(--pill-pad); border-radius:999px;
  font-weight:600; font-size: var(--text-sm); box-shadow: var(--shadow-sm);
  transition: transform var(--dur-med) ease, box-shadow var(--dur-med) ease;
}
.nav-cta:hover{ transform: var(--lift); box-shadow: var(--shadow-md); }

.nav-toggle{ display:none; flex-direction:column; gap:5px; width:26px; }
.nav-toggle span{ height:2px; background: var(--ink); border-radius:2px; transition: transform var(--dur-med) ease, opacity var(--dur-med) ease; }

/* =================== HERO =================== */
.hero{
  position:relative; min-height: 100svh; display:flex; align-items:center;
  background: var(--grad-hero);
  overflow:hidden;
  padding-top: var(--nav-h);
}
.hero-canvas{ position:absolute; inset:0; width:100%; height:100%; z-index:1; }

.hero-blobs{ position:absolute; inset:0; z-index:0; pointer-events:none; }
.blob{ position:absolute; border-radius:50%; filter: blur(70px); opacity:.32; }
.blob-a{ width:480px; height:480px; top:-220px; left:-220px; background: var(--grad-warm); }
.blob-b{ width:420px; height:420px; bottom:-180px; right:-160px; background: var(--grad-cool); }
.blob-c{ width:260px; height:260px; top:55%; left:68%; background: var(--mint); opacity:.22; }

.hero-inner{
  position:relative; z-index:3; max-width: var(--container); margin:0 auto; width:100%;
  padding: var(--sp-6) var(--section-x); display:grid; grid-template-columns: 1.15fr .85fr; gap: var(--gap-lg); align-items:center;
}

.hero-copy{ align-self:start; }

.eyebrow{ margin-bottom: var(--sp-3); }

.hero-title{ font-size: var(--h1); line-height:1.14; margin: var(--sp-3) 0 var(--sp-4); letter-spacing:-.01em; }
.ink-swap-wrap{ display:inline-block; vertical-align:top; }
.ink-swap{
  background: linear-gradient(135deg, #1f74b3 0%, #2f93d6 55%, #7cc3ec 100%);
  -webkit-background-clip:text; background-clip:text; color:transparent;
  display:inline-block; text-shadow: 0 6px 22px rgba(20,80,140,0.16);
}
.hero-lead{ font-size: var(--text-base); line-height:1.55; color: var(--ink-soft); max-width: 54ch; margin-bottom: var(--sp-5); text-align: justify; text-justify: inter-word; }
.hero-lead em{ color: var(--ink); font-style:italic; }

.hero-actions{ display:flex; gap: var(--sp-4); flex-wrap:wrap; margin-bottom: var(--sp-5); }
.btn{
  display:inline-flex; align-items:center; gap: var(--sp-2); padding: var(--pill-pad); border-radius:999px;
  font-weight:600; font-size: var(--text-sm);
  transition: transform var(--dur-med) ease, box-shadow var(--dur-med) ease, background var(--dur-med) ease;
}
.btn-primary{ background: var(--ink); color:#fff; box-shadow: var(--shadow-sm); }
.btn-primary:hover{ transform: var(--lift); box-shadow: var(--shadow-md); }
.btn-primary svg{ transition: transform var(--dur-med) ease; }
.btn-primary:hover svg{ transform: translateY(2px); }
.btn-ghost{ background: var(--glass); border:1px solid var(--glass-border); backdrop-filter: blur(8px); }
.btn-ghost:hover{ transform: var(--lift); box-shadow: var(--shadow-sm); }

.hero-links{ display:flex; gap: var(--sp-5); flex-wrap:wrap; font-size: var(--text-sm); font-weight:600; color: var(--ink-soft); }
.hero-links a{ position:relative; display:inline-flex; align-items:center; gap: .4rem; }
.hero-links svg{ width:16px; height:16px; flex:0 0 auto; fill:currentColor; }
.hero-links a::after{ content:""; position:absolute; left:0; bottom:-3px; height:1.5px; width:0; background:var(--ink); transition:width var(--dur-fast) ease; }
.hero-links a:hover::after{ width:100%; }
.hero-links a:hover{ color: var(--ink); }

.hero-photo-wrap{ position:relative; perspective: 1200px; justify-self:center; align-self:start; display:flex; justify-content:center; margin-top: -2.5rem; }
.hero-photo-cutout{
  position:relative; height: clamp(384px, 73.6vh, 784px); max-width: 96vw;
  transform-style: preserve-3d; will-change: transform;
}
.hero-photo-cutout img{
  width:auto; height:100%; max-width:100%; display:block; object-fit:contain;
  filter: drop-shadow(0 34px 46px rgba(20,80,140,0.22)) drop-shadow(0 6px 14px rgba(20,80,140,0.14));
}

.scroll-cue{
  position:absolute; bottom: var(--sp-8); left:50%; transform:translateX(-50%); z-index:3;
  display:flex; flex-direction:column; align-items:center; gap: var(--sp-2);
  font-size: var(--text-xs); font-weight:700; letter-spacing: var(--track-wide); text-transform:uppercase; color: var(--ink-faint);
}
.scroll-cue span{ width:1px; height:34px; background: linear-gradient(var(--ink-faint), transparent); position:relative; overflow:hidden; }
.scroll-cue span::after{
  content:""; position:absolute; top:-100%; left:0; width:100%; height:100%; background: var(--coral);
  animation: cueDrop 1.8s ease-in-out infinite;
}
@keyframes cueDrop{ 0%{ top:-100%; } 60%{ top:100%; } 100%{ top:100%; } }

/* =================== ABOUT + RESEARCH INTERESTS =================== */
/* One section, two columns: prose left (held to a readable measure),
   research-interest cards right. Tops align on the two eyebrow labels. */
.about-grid{ display:grid; grid-template-columns: 1.1fr 1fr; gap: var(--gap-lg); align-items:start; }
.about-copy h2{ line-height:1.14; letter-spacing:-.01em; }
.about-copy h2 .accent{
  background: linear-gradient(135deg, #1f74b3 0%, #2f93d6 55%, #7cc3ec 100%);
  -webkit-background-clip:text; background-clip:text; color:transparent;
  display:inline-block; text-shadow: 0 6px 22px rgba(20,80,140,0.16);
}
.about-copy p{
  color: var(--ink-soft); margin-bottom: var(--sp-4);
  text-align: justify; text-justify: inter-word; hyphens: auto;
}
.about-copy p:last-child{ margin-bottom:0; }
.about-copy strong{ color: var(--ink); }

/* Column label for the research aside — quieter than a section eyebrow so the
   two columns read as one section, not two. */
.aside-label{
  font-size: var(--text-xs); font-weight:700; text-transform:uppercase;
  letter-spacing: var(--track-wide); color: var(--ink);
  padding-bottom: var(--sp-3); margin-bottom: var(--sp-4);
  border-bottom: 1px solid rgba(31,116,179,0.18);
}
.research-stack{ display:flex; flex-direction:column; gap: var(--gap); }
.research-card-head{ display:flex; align-items:center; gap: var(--sp-3); margin-bottom: var(--sp-3); }
.research-card-head .tilt-icon{ width:30px; height:30px; flex:0 0 auto; }

/* =================== NEWS =================== */
.news-section{ padding-top: var(--sp-7); padding-bottom: var(--sp-7); }
.compact-list.news-grid{ grid-template-columns: repeat(3, 1fr); }
.news-grid article{ display:flex; flex-direction:column; gap: var(--sp-1); border-left: 3px solid var(--coral); }
.news-grid p{ margin:0; }

/* =================== 3D FLOW DIVIDER =================== */
.flow-divider{
  position:relative; height: clamp(220px, 32vh, 330px); overflow:hidden;
  margin: -1rem 0;
}
.flow-divider canvas{ position:absolute; inset:0; width:100%; height:100%; }

/* =================== RESEARCH INTEREST CARDS =================== */
.research-card{
  background: var(--glass-strong); border:1px solid var(--glass-border); border-radius: var(--radius-md);
  padding: var(--card-pad); box-shadow: var(--shadow-sm); transition: transform var(--dur-med) ease, box-shadow var(--dur-med) ease;
}
.research-card:hover{ transform: var(--lift); box-shadow: var(--shadow-md); }
.research-card h3{ font-size: var(--text-title); margin:0; }
.research-card ul{ display:flex; flex-direction:column; gap: var(--sp-2); }
.research-card li{ position:relative; padding-left: var(--sp-4); color: var(--ink-soft); font-size: var(--text-base); }
.research-card li::before{
  content:""; position:absolute; left:0; top:.55em; width:6px; height:6px; border-radius:50%; background: var(--sky-deep);
}

/* =================== SHAPE ICONS (research cards) =================== */
.tilt-icon{ width:40px; height:40px; border-radius:16px; }
.shape-a{ background: var(--grad-warm); border-radius: 50% 50% 50% 4px; }
.shape-b{ background: var(--grad-cool); border-radius: 4px; transform: rotate(20deg); }
.shape-c{ background: linear-gradient(135deg, var(--sky), var(--mint)); border-radius:50%; }
.shape-d{ background: linear-gradient(135deg, var(--lavender), var(--coral-soft)); border-radius: 30% 70% 70% 30%/40% 40% 60% 60%; }

/* =================== TIMELINE =================== */
.timeline{ --tl-indent: 2.5rem; position:relative; padding-left: var(--tl-indent); }
.timeline-line{ position:absolute; left: 7px; top:6px; bottom:6px; width:2px; background: linear-gradient(var(--coral), var(--sky), var(--lavender)); border-radius:2px; transform-origin: top center; transform: scaleY(0); }
.timeline-item{ position:relative; margin-bottom: var(--sp-6); }
.timeline-item:last-child{ margin-bottom:0; }
.timeline-dot{ position:absolute; left: calc(-1 * var(--tl-indent)); top: 6px; width:16px; height:16px; border-radius:50%; background:#fff;
  border:3px solid var(--coral); box-shadow: var(--shadow-sm); transform: scale(0); }
.timeline-card{ background: var(--glass-strong); border:1px solid var(--glass-border); border-radius: var(--radius-md);
  padding: var(--card-pad); box-shadow: var(--shadow-sm); }
.timeline-card time{ font-size: var(--text-xs); font-weight:700; letter-spacing: var(--track-label); color: var(--coral); text-transform:uppercase; }
.timeline-card h3{ font-size: var(--text-title); margin: var(--sp-2) 0 var(--sp-1); }
.timeline-org{ color: var(--ink-faint); font-weight:600; font-size: var(--text-sm); margin-bottom: var(--sp-3) !important; }
.timeline-card ul{ display:flex; flex-direction:column; gap: var(--sp-2); }
.timeline-card li{ position:relative; padding-left: var(--sp-4); color: var(--ink-soft); font-size: var(--text-base); }
.timeline-card li::before{ content:""; position:absolute; left:0; top:.55em; width:6px; height:6px; border-radius:50%; background: var(--sky-deep); }

/* =================== EDUCATION =================== */
.edu-grid{ display:grid; grid-template-columns: repeat(3, 1fr); gap: var(--gap); }
.edu-card{ background: var(--glass-strong); border:1px solid var(--glass-border); border-radius: var(--radius-md);
  padding: var(--card-pad); box-shadow: var(--shadow-sm); }
.edu-card time{ font-size: var(--text-xs); font-weight:700; color: var(--sky-deep); text-transform:uppercase; letter-spacing: var(--track-label); }
.edu-card h3{ font-size: var(--text-title); margin: var(--sp-2) 0 var(--sp-1); }
.edu-card p{ font-size: var(--text-base); color: var(--ink-soft); margin-bottom: var(--sp-1); line-height:1.6; }
.edu-card .edu-detail{ margin-top: var(--sp-3); }
.edu-card .edu-detail strong{ color: var(--ink); }
.edu-card .edu-supervisor{ margin-bottom:0; }

/* =================== PUBLICATIONS =================== */
.pub-list{ display:flex; flex-direction:column; gap: var(--gap); }
.pub-list li{
  display:grid; grid-template-columns: 70px 1fr; gap: var(--sp-4); align-items:start;
  background: var(--glass-strong); border:1px solid var(--glass-border); border-radius: var(--radius-md);
  padding: var(--card-pad); box-shadow: var(--shadow-sm); border-left: 4px solid var(--coral);
  transition: transform var(--dur-med) ease, box-shadow var(--dur-med) ease;
}
.pub-list li:hover{ transform: var(--lift); box-shadow: var(--shadow-md); }
.pub-list li[data-hidden]{ display:none; }
.pub-year{ font-family: var(--font-display); font-weight:700; color: var(--coral); font-size: var(--text-title); }
.pub-list h3{ font-size: var(--text-title); line-height:1.4; margin-bottom: var(--sp-2); }
.pub-list h3 a{
  background-image: linear-gradient(var(--coral), var(--coral));
  background-repeat: no-repeat; background-position: 0 100%; background-size: 0% 1.5px;
  transition: background-size var(--dur-med) var(--ease-out), color var(--dur-fast) ease;
}
.pub-list h3 a:hover{ color: var(--sky-deep); background-size: 100% 1.5px; }
.pub-list h3 a:focus-visible{ outline:2px solid var(--sky-deep); outline-offset:3px; border-radius:2px; }
.pub-list p{ font-size: var(--text-base); color: var(--ink-soft); }
.pub-list em{ color: var(--ink); font-style:italic; }

.show-more{
  margin: var(--sp-5) auto 0; display:block; padding: var(--pill-pad); border-radius:999px;
  background: var(--bg-alt); font-weight:600; font-size: var(--text-sm); color: var(--ink);
  border:1px solid rgba(0,0,0,0.06); transition: background var(--dur-med) ease, transform var(--dur-med) ease;
}
.show-more:hover{ background:#fff; transform: var(--lift); }

/* =================== RECOGNITION TABS =================== */
.tabs{ display:flex; gap: var(--sp-2); margin-bottom: var(--sp-6); flex-wrap:wrap; }
.tab-btn{
  padding: var(--pill-pad); border-radius:999px; font-weight:600; font-size: var(--text-sm);
  background: var(--bg-alt); color: var(--ink-soft); transition: all var(--dur-med) ease;
}
.tab-btn.is-active{ background: var(--ink); color:#fff; box-shadow: var(--shadow-sm); }
.tab-panel{ display:none; }
.tab-panel.is-active{ display:block; animation: revealUp .5s ease forwards; }

.compact-list{ display:grid; grid-template-columns: repeat(2, 1fr); gap: var(--gap); }
.compact-list article{
  background: var(--glass-strong); border:1px solid var(--glass-border); border-radius: var(--radius-md);
  padding: var(--card-pad); box-shadow: var(--shadow-sm);
  transition: transform var(--dur-med) ease, box-shadow var(--dur-med) ease;
}
.compact-list article:hover{ transform: var(--lift); box-shadow: var(--shadow-md); }
.compact-list article[data-hidden]{ display:none; }
.compact-list time{ font-size: var(--text-xs); font-weight:700; color: var(--coral); text-transform:uppercase; letter-spacing: var(--track-label); }
.compact-list h3{ font-size: var(--text-title); margin: var(--sp-2) 0 var(--sp-1); }
.compact-list p{ font-size: var(--text-base); color: var(--ink-soft); }

/* =================== GALLERY =================== */
.gallery-section p{ color: var(--ink-soft); margin-bottom: var(--sp-6); }
.gallery-viewport{
  overflow-x:auto; overflow-y:hidden; padding: var(--sp-4) 0 var(--sp-6);
  scroll-snap-type: x proximity; -webkit-overflow-scrolling: touch;
  scrollbar-width: none; -ms-overflow-style: none;
}
.gallery-viewport::-webkit-scrollbar{ display:none; }
.gallery-track{ display:flex; gap: var(--gap); width:max-content; padding: 0 var(--sp-2); }
.gallery-track figure{
  flex: 0 0 auto; width: 260px; margin:0; border-radius: var(--radius-md);
  overflow:hidden; box-shadow: var(--shadow-sm); background:#fff; border:1px solid rgba(0,0,0,0.05);
  transition: transform .35s var(--ease-out), opacity .35s ease, box-shadow .35s ease;
  transform: scale(.9); opacity:.65; scroll-snap-align: center;
}
.gallery-track figure.is-center{ transform: scale(1.04); opacity:1; box-shadow: var(--shadow-lg); }
.gallery-track img{ width:100%; height:320px; object-fit:cover; }
.gallery-track figcaption{ padding: var(--sp-3) var(--sp-4); font-size: var(--text-sm); font-weight:700; color: var(--ink-soft); }
.gallery-hint{ text-align:center; font-size: var(--text-sm); color: var(--ink-faint); font-weight:600; }

/* =================== CONTACT =================== */
.contact-section{
  max-width:none; padding: var(--section-y) var(--section-x); margin-top: var(--sp-6); position:relative; overflow:hidden;
  background:
    linear-gradient(160deg, rgba(255,255,255,0.72) 0%, rgba(234,246,253,0.55) 45%, rgba(220,238,250,0.6) 100%),
    url("assets3d/sky-backdrop.jpg") center / cover no-repeat;
}
.contact-canvas{ position:absolute; inset:0; z-index:0; opacity:.9; }
.contact-inner{ position:relative; z-index:2; max-width:720px; margin:0 auto; text-align:center; }
.contact-inner h2{ font-size: clamp(1.3rem, 2.3vw, 1.85rem); max-width:none; margin: var(--sp-3) 0 var(--sp-4); }
.contact-lead{ color: var(--ink-soft); font-size: var(--text-sm); margin-bottom: var(--sp-6); }
.contact-emails{ display:flex; flex-direction:column; gap: var(--sp-2); margin-bottom: var(--sp-6); }
.email-link{ font-family: var(--font-display); font-size: var(--text-md); font-weight:600; transition: color var(--dur-fast) ease; }
.email-link:hover{ color: var(--coral); }
.contact-socials{ display:flex; justify-content:center; gap: var(--sp-4); flex-wrap:wrap; font-weight:600; font-size: var(--text-sm); }
.contact-socials a{ padding: var(--pill-pad); border-radius:999px; background: var(--glass-strong); border:1px solid var(--glass-border);
  transition: transform var(--dur-med) ease, box-shadow var(--dur-med) ease; }
.contact-socials a:hover{ transform: var(--lift); box-shadow: var(--shadow-sm); }

/* =================== FOOTER =================== */
.site-footer{
  display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap: var(--sp-4);
  max-width: var(--container); margin:0 auto; padding: var(--sp-6) var(--section-x) var(--sp-7); font-size: var(--text-sm); color: var(--ink-faint);
}
.site-footer a{ font-weight:700; color: var(--ink); }

/* =================== RESPONSIVE =================== */
@media (max-width: 980px){
  .hero-inner{ grid-template-columns:1fr; text-align:center; }
  .hero-links{ justify-content:center; }
  .hero-actions{ justify-content:center; }
  .hero-photo-wrap{ margin-top: var(--sp-6); }
  .about-grid{ grid-template-columns:1fr; gap: var(--sp-7); }
  .edu-grid{ grid-template-columns:1fr; }
  .compact-list{ grid-template-columns:1fr; }
  .compact-list.news-grid{ grid-template-columns: repeat(2,1fr); }
}

@media (max-width: 640px){
  .compact-list.news-grid{ grid-template-columns:1fr; }
}

/* Drawer nav. The inline bar needs ~815px to seat the brand, 5 links and the
   CTA pill without crowding, so it hands off to the drawer before that. */
@media (max-width: 860px){
  .nav-links{
    position:fixed; top: var(--nav-h); left:0; right:0; height: calc(100dvh - var(--nav-h));
    background: rgba(246,251,255,0.98); backdrop-filter: blur(20px);
    flex-direction:column; align-items:flex-start; padding: var(--sp-6) var(--sp-5); gap: var(--sp-5);
    transform: translateX(100%); transition: transform .35s ease; overflow-y:auto;
  }
  .nav-links.is-open{ transform: translateX(0); }
  .nav-toggle{ display:flex; }
  .nav-cta{ margin-top: var(--sp-2); }
}

@media (max-width: 720px){
  .pub-list li{ grid-template-columns:1fr; }
}

@media (prefers-reduced-motion: reduce){
  *{ animation-duration:.001ms !important; animation-iteration-count:1 !important; transition-duration:.001ms !important; scroll-behavior:auto !important; }
}