/* ============================================================ Shanmuganathan Raman — academic site Design system: "Plasma" — a scientific-colormap identity. Soft cool-violet paper, deep violet->magenta accent, and the plasma colormap (familiar from vision/ML figures) as signature. Fonts (loaded in ): Space Grotesk / Inter / IBM Plex Mono. ============================================================ */ :root { --bg: #f2f0f9; /* soft cool-violet paper */ --bg-2: #ece9f6; --surface: #ffffff; --surface-2: #faf9fd; --ink: #181420; /* plum-black */ --ink-2: #3c3550; --muted: #726b85; --line: #e4e0ef; --line-2: #efecf7; /* plasma-derived accent ramp */ --accent: #7d1ba0; /* deep plasma violet (links/markers) */ --accent-2: #c0298a; /* magenta */ --accent-hot: #f1820c; /* plasma amber (hover/highlight) */ --accent-soft: #f3e6fb; /* violet wash */ --grad: linear-gradient(135deg, var(--accent) 0%, var(--accent-2) 100%); --plasma: linear-gradient(90deg, #0d0887 0%, #4b03a4 16%, #7d03a8 32%, #a82296 48%, #cb4679 62%, #e56b5d 74%, #f89441 86%, #fdc527 95%, #f0f921 100%); --maxw: 1080px; --radius: 14px; --shadow: 0 1px 2px rgba(24,20,32,0.04), 0 8px 24px -12px rgba(76,40,110,0.18); --shadow-sm:0 1px 2px rgba(24,20,32,0.05), 0 4px 14px -10px rgba(76,40,110,0.20); --ff-display: "Space Grotesk", "Segoe UI", system-ui, sans-serif; --ff-body: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif; --ff-mono: "IBM Plex Mono", ui-monospace, "SF Mono", Menlo, monospace; } * { box-sizing: border-box; } html { scroll-behavior: smooth; } body { margin: 0; color: var(--ink); font-family: var(--ff-body); font-size: 16px; line-height: 1.62; -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; background: radial-gradient(900px 520px at 88% -8%, var(--accent-soft) 0%, transparent 60%), radial-gradient(640px 440px at -6% 6%, rgba(241,130,12,0.07) 0%, transparent 55%), var(--bg); background-attachment: fixed; } .wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; } /* ---------- plasma signature ramp ---------- */ .ramp { height: 5px; width: 100%; border-radius: 4px; background: var(--plasma); box-shadow: 0 1px 10px -2px rgba(125,3,168,0.35); } .ramp--thin { height: 3px; border-radius: 0; box-shadow: none; } /* ============================================================ Navigation ============================================================ */ .site-nav { position: sticky; top: 0; z-index: 50; background: rgba(242,240,249,0.82); backdrop-filter: saturate(150%) blur(12px); -webkit-backdrop-filter: saturate(150%) blur(12px); border-bottom: 1px solid var(--line); } .site-nav__inner { max-width: var(--maxw); margin: 0 auto; padding: 15px 24px; display: flex; align-items: center; justify-content: space-between; gap: 18px; flex-wrap: wrap; } .brand { font-family: var(--ff-display); font-weight: 600; font-size: 1.08rem; letter-spacing: -0.01em; color: var(--ink); text-decoration: none; white-space: nowrap; display: inline-flex; align-items: center; gap: 10px; } .brand__dot { width: 11px; height: 11px; border-radius: 50%; background: var(--grad); box-shadow: 0 0 0 4px var(--accent-soft); } .brand__sub { font-family: var(--ff-mono); font-size: 0.64rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--muted); font-weight: 500; } .nav-links { display: flex; gap: 2px; flex-wrap: wrap; align-items: center; } .nav-links a { font-family: var(--ff-mono); font-size: 0.72rem; letter-spacing: 0.07em; text-transform: uppercase; color: var(--ink-2); text-decoration: none; padding: 8px 12px; border-radius: 8px; position: relative; transition: color .16s ease, background .16s ease; } .nav-links a:hover { color: var(--ink); background: var(--surface); } .nav-links a.current { color: var(--accent); background: var(--surface); } .nav-links a.current::after { content: ""; position: absolute; left: 12px; right: 12px; bottom: 3px; height: 2px; background: var(--grad); border-radius: 2px; } /* ============================================================ Hero (home) ============================================================ */ .hero { padding: 72px 0 14px; } .hero__grid { display: grid; grid-template-columns: 1fr 230px; gap: 52px; align-items: center; } .eyebrow { font-family: var(--ff-mono); font-size: 0.72rem; letter-spacing: 0.2em; text-transform: uppercase; margin: 0 0 20px; display: flex; align-items: center; gap: 12px; color: var(--accent); font-weight: 500; } .eyebrow::before { content: ""; width: 30px; height: 3px; border-radius: 3px; background: var(--grad); } .hero__name { font-family: var(--ff-display); font-weight: 700; letter-spacing: -0.03em; line-height: 1.0; font-size: clamp(2.6rem, 6.4vw, 4.3rem); margin: 0 0 10px; color: var(--ink); } .hero__link { color: inherit; text-decoration: none; } .hero__link:hover { background: var(--grad); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; color: transparent; } .hero__email { font-family: var(--ff-mono); font-size: 0.85rem; color: var(--muted); margin: 0 0 28px; } .hero__email a { color: var(--accent); text-decoration: none; } .hero__email a:hover { color: var(--accent-hot); } .roles { margin: 0 0 24px; } .roles p { margin: 0 0 4px; } .roles .role-title { font-weight: 600; color: var(--ink); } .roles .role-org { color: var(--ink-2); } .roles a { color: var(--accent); text-decoration: none; } .roles a:hover { color: var(--accent-hot); text-decoration: underline; text-underline-offset: 2px; } .contact { font-size: 0.9rem; color: var(--muted); line-height: 1.75; font-style: normal; background: var(--surface); border: 1px solid var(--line); border-left: 3px solid transparent; border-image: var(--grad) 1; border-image-slice: 1; border-radius: 0 var(--radius) var(--radius) 0; padding: 16px 20px; box-shadow: var(--shadow-sm); } .contact a { color: var(--accent); text-decoration: none; } .contact a:hover { color: var(--accent-hot); text-decoration: underline; } .contact .mono { font-family: var(--ff-mono); font-size: 0.82rem; } .portrait { width: 230px; height: 230px; border-radius: var(--radius); object-fit: cover; background: var(--surface); border: 1px solid var(--line); box-shadow: var(--shadow); } .portrait-fallback { width: 230px; height: 230px; border-radius: var(--radius); display: flex; align-items: center; justify-content: center; background: radial-gradient(130% 130% at 80% 14%, var(--accent-soft) 0%, transparent 55%), var(--surface); border: 1px solid var(--line); box-shadow: var(--shadow); font-family: var(--ff-display); font-weight: 700; font-size: 3.8rem; letter-spacing: -0.03em; background-image: var(--grad); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; color: transparent; } .hero__ramp { margin-top: 46px; } /* ============================================================ Page header (sub-pages) ============================================================ */ .page-head { padding: 64px 0 6px; } .page-head h1 { font-family: var(--ff-display); font-weight: 700; letter-spacing: -0.03em; font-size: clamp(2.3rem, 5.2vw, 3.4rem); margin: 8px 0 10px; color: var(--ink); } .page-head .sub { color: var(--muted); max-width: 62ch; margin: 0; } .page-head .sub a { color: var(--accent); text-decoration: none; } .page-head .sub a:hover { color: var(--accent-hot); text-decoration: underline; } .page-head__ramp { margin-top: 30px; } /* ============================================================ Content / prose ============================================================ */ .content { padding: 12px 0 96px; } .prose { max-width: 100%; } .prose h2 { font-family: var(--ff-display); font-weight: 600; font-size: 1.55rem; letter-spacing: -0.02em; color: var(--ink); margin: 58px 0 20px; padding-top: 26px; border-top: 1px solid var(--line); display: flex; align-items: center; gap: 13px; } .prose h2:first-of-type { margin-top: 18px; } .prose h2::before { content: ""; flex: 0 0 auto; width: 12px; height: 12px; background: var(--grad); border-radius: 4px; box-shadow: 0 2px 8px -2px rgba(125,3,168,0.5); } .prose h3 { font-family: var(--ff-display); font-weight: 500; font-size: 1.1rem; letter-spacing: -0.01em; color: var(--accent); margin: 32px 0 14px; display: inline-flex; align-items: center; gap: 9px; } .prose h3::before { content: ""; width: 16px; height: 2px; border-radius: 2px; background: var(--accent-2); opacity: 0.7; } .prose h4 { font-family: var(--ff-display); font-weight: 500; font-size: 1.12rem; color: var(--ink); margin: 0; } .prose p { margin: 0 0 14px; color: var(--ink-2); } .prose a { color: var(--accent); text-decoration: none; border-bottom: 1px solid var(--accent-soft); transition: color .14s, border-color .14s; } .prose a:hover { color: var(--accent-hot); border-bottom-color: var(--accent-hot); } /* generic bullet lists */ .prose ul { list-style: none; padding: 0; margin: 0 0 14px; } .prose ul > li { position: relative; padding-left: 22px; margin-bottom: 10px; color: var(--ink-2); } .prose ul > li::before { content: ""; position: absolute; left: 2px; top: 0.66em; width: 7px; height: 7px; border-radius: 50%; background: var(--grad); } .prose ul > li p { margin: 0; } /* numbered (ordered) lists -> elevated cards with mono counters */ .prose ol { list-style: none; counter-reset: item; padding: 0; margin: 0 0 14px; } .prose ol > li { counter-increment: item; position: relative; padding: 16px 18px 16px 58px; margin-bottom: 10px; background: var(--surface); border: 1px solid var(--line); border-radius: 12px; box-shadow: var(--shadow-sm); transition: transform .14s ease, box-shadow .14s ease, border-color .14s ease; } .prose ol > li:hover { transform: translateY(-1px); border-color: #d9cfe9; box-shadow: 0 2px 4px rgba(24,20,32,0.05), 0 14px 30px -16px rgba(76,40,110,0.30); } .prose ol > li::before { content: counter(item, decimal-leading-zero); position: absolute; left: 18px; top: 17px; font-family: var(--ff-mono); font-size: 0.74rem; font-weight: 500; color: var(--accent); letter-spacing: 0.02em; } .prose ol > li p { margin: 0; color: var(--ink-2); line-height: 1.56; } /* interests page: calm gradient-numbered cards */ .interest-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; margin-top: 10px; } .interest-card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px 24px; display: flex; align-items: center; gap: 16px; box-shadow: var(--shadow-sm); transition: transform .15s ease, box-shadow .15s ease; } .interest-card:hover { transform: translateY(-2px); box-shadow: 0 2px 4px rgba(24,20,32,0.05), 0 18px 36px -18px rgba(76,40,110,0.32); } .interest-card .idx { font-family: var(--ff-mono); font-size: 1.05rem; font-weight: 500; background: var(--grad); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; color: transparent; } /* ============================================================ Footer ============================================================ */ .site-footer { border-top: 1px solid var(--line); background: var(--surface-2); } .site-footer__inner { max-width: var(--maxw); margin: 0 auto; padding: 28px 24px 36px; display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; font-family: var(--ff-mono); font-size: 0.72rem; letter-spacing: 0.04em; color: var(--muted); } .site-footer a { color: var(--accent); text-decoration: none; } .site-footer a:hover { color: var(--accent-hot); text-decoration: underline; } /* ============================================================ Responsive ============================================================ */ @media (max-width: 760px) { .hero { padding: 44px 0 10px; } .hero__grid { grid-template-columns: 1fr; gap: 30px; } .portrait, .portrait-fallback { width: 160px; height: 160px; } .portrait-fallback { font-size: 2.6rem; } .interest-grid { grid-template-columns: 1fr; } .site-nav__inner { padding: 12px 18px; } .nav-links a { padding: 7px 9px; } } /* ============================================================ Accessibility ============================================================ */ a:focus-visible, .brand:focus-visible { outline: 2px solid var(--accent-hot); outline-offset: 3px; border-radius: 4px; } @media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } * { transition: none !important; } } @media print { .site-nav, .site-footer, .ramp, .hero__ramp, .page-head__ramp { display: none; } body { background: #fff; } .prose ol > li { box-shadow: none; border-color: #ddd; } .prose a { color: var(--ink); border-bottom: none; } }