/* ========================================================= Hamed Hasan — Portfolio Design tokens ========================================================= */ :root { --bg: #F4F6F8; --surface: #FFFFFF; --ink: #12202B; --ink-soft: #55677A; --ink-faint: #8B99A6; --teal: #146B6B; --teal-deep: #0E4F4F; --teal-soft: #EEF4F4; --copper: #B5652E; --line: #DCE3E8; --line-strong: #C3CCD3; --font-display: "IBM Plex Sans", -apple-system, BlinkMacSystemFont, sans-serif; --font-body: "IBM Plex Sans", -apple-system, BlinkMacSystemFont, sans-serif; --font-mono: "IBM Plex Mono", "SFMono-Regular", Menlo, monospace; --nav-w: 236px; --content-max: 760px; --wide-max: clamp(1040px, 78vw, 1240px); --radius: 3px; --shadow-card: 0 1px 2px rgba(18, 32, 43, 0.06), 0 1px 1px rgba(18, 32, 43, 0.04); color-scheme: light; } /* ---- Dark theme ---- Toggled by JS via [data-theme="dark"] on . Deep blue-charcoal surface with a brighter mint teal and warm copper for accents so contrast (text and accent-on-surface) stays comfortably above WCAG AA. */ html[data-theme="dark"] { --bg: #0A1216; --surface: #101A20; --ink: #E9F1F2; --ink-soft: #A6B7BF; --ink-faint: #6E828B; --teal: #4FD6C4; --teal-deep: #7FE6D8; --teal-soft: #14262A; --copper: #F0A05F; --line: #1E2C32; --line-strong: #2E4149; --shadow-card: 0 1px 2px rgba(0, 0, 0, 0.35), 0 1px 1px rgba(0, 0, 0, 0.25); color-scheme: dark; } html[data-theme="dark"] .btn-primary { background: var(--teal); color: #06201C; } html[data-theme="dark"] .btn-primary:hover { background: var(--teal-deep); } html[data-theme="dark"] .grid-texture { opacity: 0.35; } html[data-theme="dark"] .hero-trace path { stroke: var(--ink-soft); } body, .topbar, .mobile-nav, .btn, .form-field input, .form-field textarea, .nav-links a, .social-icon { transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease; } /* ========================================================= Reset ========================================================= */ *, *::before, *::after { box-sizing: border-box; } html { scroll-behavior: smooth; overflow-x: clip; } body { margin: 0; background: var(--bg); color: var(--ink); font-family: var(--font-body); font-size: 16px; line-height: 1.6; -webkit-font-smoothing: antialiased; overflow-x: clip; } h1, h2, h3, h4 { font-family: var(--font-display); margin: 0; color: var(--ink); font-weight: 600; } p { margin: 0 0 1em; color: var(--ink-soft); } a { color: inherit; text-decoration: none; } ul { margin: 0; padding: 0; list-style: none; } img { max-width: 100%; display: block; } button { font-family: inherit; cursor: pointer; } :focus-visible { outline: 2px solid var(--teal); outline-offset: 2px; } @media (prefers-reduced-motion: reduce) { *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; scroll-behavior: auto !important; } } /* ========================================================= Background texture — faint perf-board dot grid ========================================================= */ .grid-texture { position: fixed; inset: 0; background-image: radial-gradient(circle, var(--line) 1px, transparent 1px); background-size: 28px 28px; opacity: 0.55; pointer-events: none; z-index: 0; } /* ========================================================= Shell layout: top nav + main content ========================================================= */ .shell { position: relative; z-index: 1; } /* ---- Top nav ---- */ #home, #about, #skills, #interests, #portfolio, #blog, #contact { scroll-margin-top: 84px; } .section-page { border-top: 1px solid var(--line); margin-top: 56px; padding-top: 48px; } .site-header-wrap { position: sticky; top: 0; z-index: 20; } .topbar { display: flex; background: var(--surface); border-bottom: 1px solid var(--line); padding: 18px 56px; align-items: center; justify-content: space-between; gap: 24px; } .topbar-brand { font-family: var(--font-display); font-weight: 700; font-size: 21px; letter-spacing: -0.01em; color: var(--ink); flex-shrink: 0; } .topbar-brand span { display: block; font-family: var(--font-mono); font-weight: 400; font-size: 11.5px; letter-spacing: 0.02em; color: var(--ink-faint); margin-top: 2px; } .nav-links.topbar-links { display: flex; flex-direction: row; align-items: center; gap: 4px; flex-wrap: wrap; justify-content: flex-end; margin-left: auto; } .nav-links.topbar-links a { padding: 8px 12px; border-radius: var(--radius); font-size: 13.5px; font-family: var(--font-mono); letter-spacing: 0.02em; color: var(--ink-soft); border-left: none; border-bottom: 1px solid transparent; transition: color 0.15s ease, background 0.15s ease, border-color 0.15s ease; } .nav-links.topbar-links a:hover { color: var(--ink); background: var(--bg); } .nav-links.topbar-links a.active { color: var(--teal-deep); border-bottom-color: var(--teal); background: var(--teal-soft); font-weight: 500; } .theme-toggle { display: inline-flex; align-items: center; justify-content: center; background: var(--bg); border: 1px solid var(--line-strong); border-radius: 50%; width: 38px; height: 38px; color: var(--ink-soft); flex-shrink: 0; } .theme-toggle svg { width: 16px; height: 16px; flex-shrink: 0; } .theme-toggle .sun { display: none; } html[data-theme="dark"] .theme-toggle .sun { display: block; } html[data-theme="dark"] .theme-toggle .moon { display: none; } .theme-toggle:hover { border-color: var(--teal); color: var(--teal-deep); } .topbar-actions { display: flex; align-items: center; gap: 10px; flex-shrink: 0; } /* ---- Social icons (icon-only circles) ---- */ .social-row { display: flex; gap: 10px; margin-bottom: 40px; } .social-icon { width: 40px; height: 40px; border-radius: 50%; border: 1px solid var(--line-strong); display: flex; align-items: center; justify-content: center; color: var(--ink-soft); flex-shrink: 0; transition: color 0.15s ease, border-color 0.15s ease, background 0.15s ease; } .social-icon svg { width: 17px; height: 17px; } .social-icon:hover { color: var(--teal-deep); border-color: var(--teal); background: var(--teal-soft); } .mobile-nav-social { display: flex; justify-content: center; gap: 14px; padding: 16px 4px 4px; margin-top: 8px; border-top: 1px solid var(--line); } .menu-btn { display: none; background: none; border: 1px solid var(--line-strong); border-radius: var(--radius); width: 38px; height: 34px; flex-direction: column; align-items: center; justify-content: center; gap: 4px; } .menu-btn span { width: 16px; height: 1.5px; background: var(--ink); display: block; } .mobile-nav { display: none; background: var(--surface); border-bottom: 1px solid var(--line); padding: 8px 20px 18px; } .mobile-nav.open { display: block; } .mobile-nav > a { display: block; padding: 10px 4px; font-size: 15px; color: var(--ink-soft); border-bottom: 1px solid var(--line); } .mobile-nav > a:last-child { border-bottom: none; } .mobile-nav > a.active { color: var(--teal-deep); font-weight: 500; } /* ========================================================= Main content ========================================================= */ .main { min-width: 0; max-width: var(--wide-max); margin: 0 auto; padding: 56px 56px 100px; } .page-head { max-width: var(--content-max); margin-bottom: 56px; } .eyebrow { font-family: var(--font-mono); font-size: 12.5px; color: var(--copper); margin-bottom: 12px; display: block; } .page-head h1 { font-size: clamp(30px, 4vw, 40px); line-height: 1.18; letter-spacing: -0.01em; margin-bottom: 14px; } .page-head .lede { font-size: 17px; color: var(--ink-soft); max-width: 620px; margin: 0; } .section { max-width: var(--content-max); margin-bottom: 56px; } .section.wide { max-width: var(--wide-max); } .section h2 { font-size: 20px; margin-bottom: 20px; padding-bottom: 12px; border-bottom: 1px solid var(--line); } .section p { max-width: 640px; } /* ========================================================= Hero (home page) ========================================================= */ .hero { max-width: var(--wide-max); margin: 0 auto 64px; display: flex; align-items: center; gap: 56px; } .hero-copy { flex: 1; min-width: 0; max-width: 640px; } .hero-photo { flex-shrink: 0; width: 240px; height: 240px; border-radius: 50%; border: 1px solid var(--line-strong); background: var(--surface); padding: 5px; box-shadow: var(--shadow-card); position: relative; } .hero-photo::before, .hero-photo::after { content: ""; position: absolute; width: 8px; height: 8px; border-radius: 50%; background: var(--surface); border: 1.5px solid var(--line-strong); } .hero-photo::before { top: -4px; right: -4px; } .hero-photo::after { bottom: -4px; left: -4px; } .hero-photo-img { width: 100%; height: 100%; object-fit: cover; border-radius: 50%; display: block; background: var(--teal-soft); } .hero-photo-img[hidden] { display: none; } .hero-photo-fallback { width: 100%; height: 100%; border-radius: 50%; background: linear-gradient(160deg, var(--teal-soft), var(--surface)); display: none; align-items: center; justify-content: center; font-family: var(--font-mono); font-size: 15px; color: var(--teal-deep); letter-spacing: 0.05em; } .hero-photo-fallback.show { display: flex; } @media (max-width: 900px) { .hero { flex-direction: column; align-items: flex-start; gap: 28px; } .hero-photo { width: 190px; height: 190px; margin: 0 auto; } } .hero-trace { width: 100%; max-width: 340px; height: auto; margin-bottom: 28px; } .hero-trace path { fill: none; stroke: var(--ink); stroke-width: 1.5; stroke-linecap: round; stroke-dasharray: 480; stroke-dashoffset: 480; animation: draw 1.4s ease forwards 0.15s; } .hero-trace circle { fill: var(--teal); opacity: 0; animation: fadeIn 0.4s ease forwards 1.3s; } .hero-trace circle.copper { fill: var(--copper); } @keyframes draw { to { stroke-dashoffset: 0; } } @keyframes fadeIn { to { opacity: 1; } } .hero h1 { font-size: clamp(34px, 5vw, 52px); line-height: 1.12; letter-spacing: -0.015em; max-width: 780px; margin-bottom: 20px; } .hero-name { font-family: var(--font-display); font-weight: 700; font-size: clamp(32px, 8vw, 64px); line-height: 1.05; letter-spacing: -0.02em; margin-bottom: 14px; } .hero-role { font-family: var(--font-mono); font-weight: 500; font-size: clamp(15px, 1.6vw, 18px); letter-spacing: 0.01em; color: var(--ink-soft); max-width: 560px; margin-bottom: 22px; } .hero .lede { font-size: 17px; max-width: 560px; margin-bottom: 32px; } .hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 28px; } .btn { display: inline-flex; align-items: center; gap: 8px; padding: 11px 20px; border-radius: var(--radius); font-size: 14.5px; font-weight: 500; border: 1px solid transparent; transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease; } .btn-primary { background: var(--ink); color: #fff; } .btn-primary:hover { background: var(--teal-deep); } .btn-secondary { border-color: var(--line-strong); color: var(--ink); } .btn-secondary:hover { border-color: var(--teal); color: var(--teal-deep); } .stat-row { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1px; background: var(--line); border: 1px solid var(--line); max-width: 640px; } .stat { background: var(--surface); padding: 20px; } .stat b { display: block; font-family: var(--font-mono); font-size: 26px; color: var(--teal-deep); margin-bottom: 4px; } .stat span { font-size: 13px; color: var(--ink-soft); } /* ========================================================= Focus / interest cards ========================================================= */ .card-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 18px; } .focus-card { border: 1px solid var(--line); background: var(--surface); padding: 22px 20px; border-radius: var(--radius); } .focus-card .mark { font-family: var(--font-mono); font-size: 12px; color: var(--copper); margin-bottom: 10px; display: block; } .focus-card h3 { font-size: 16px; margin-bottom: 8px; } .focus-card p { font-size: 14px; margin: 0; } /* ========================================================= Timeline (about page) ========================================================= */ .timeline { border-left: 1px solid var(--line); padding-left: 26px; max-width: 640px; } .tl-item { position: relative; padding-bottom: 30px; } .tl-item:last-child { padding-bottom: 0; } .tl-item::before { content: ""; position: absolute; left: -30.5px; top: 4px; width: 9px; height: 9px; border-radius: 50%; background: var(--surface); border: 2px solid var(--teal); } .tl-date { font-family: var(--font-mono); font-size: 12.5px; color: var(--ink-faint); margin-bottom: 4px; } .tl-item h4 { font-size: 15.5px; margin-bottom: 4px; } .tl-item p { font-size: 14.5px; margin: 0; } .fact-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px 32px; max-width: 640px; } .fact dt { font-family: var(--font-mono); font-size: 12px; color: var(--ink-faint); margin-bottom: 3px; } .fact dd { margin: 0; font-size: 14.5px; } /* ========================================================= Skills page ========================================================= */ .skill-group { margin-bottom: 40px; } .skill-group h3 { font-size: 15px; color: var(--ink-soft); font-weight: 500; margin-bottom: 14px; } .tag-row { display: flex; flex-wrap: wrap; gap: 9px; } .tag { font-family: var(--font-mono); font-size: 13px; padding: 7px 13px; border: 1px solid var(--line-strong); border-radius: 999px; color: var(--ink); background: var(--surface); } .tag.strong { border-color: var(--teal); color: var(--teal-deep); background: var(--teal-soft); } /* ========================================================= Portfolio page ========================================================= */ .project-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 26px; max-width: var(--wide-max); } .project-card { background: var(--surface); border: 1px solid var(--line); border-radius: 10px; overflow: hidden; display: flex; flex-direction: column; transition: border-color 0.15s ease, transform 0.15s ease; } .project-card:hover { border-color: var(--line-strong); transform: translateY(-2px); } .project-media { position: relative; height: 168px; display: flex; align-items: center; justify-content: center; color: var(--surface); overflow: hidden; } .project-media::before { content: ""; position: absolute; inset: 0; background-image: radial-gradient(circle, rgba(255,255,255,0.35) 1px, transparent 1px); background-size: 16px 16px; opacity: 0.15; } .project-art { width: 88%; height: 78%; position: relative; z-index: 1; } .media-cv { background: linear-gradient(135deg, var(--teal-deep), var(--ink)); } .media-iot { background: linear-gradient(135deg, var(--copper), var(--ink)); } .media-web { background: linear-gradient(135deg, #1E2C32, var(--teal-deep)); } .media-vlsi { background: linear-gradient(135deg, var(--ink), #2E4149); } .media-signal { background: linear-gradient(135deg, var(--teal-deep), var(--copper)); } .media-analog { background: linear-gradient(135deg, var(--copper), #6E4322); } .project-badge { position: absolute; top: 12px; left: 12px; z-index: 2; background: rgba(10, 18, 22, 0.55); border: 1px solid rgba(255,255,255,0.25); color: #fff; font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 0.04em; text-transform: uppercase; padding: 5px 10px; border-radius: 999px; backdrop-filter: blur(2px); } .project-body { padding: 20px 22px 22px; display: flex; flex-direction: column; flex: 1; } .project-body h3 { font-size: 16.5px; line-height: 1.3; margin-bottom: 8px; } .project-body p { font-size: 13.5px; color: var(--ink-soft); margin: 0 0 16px; flex: 1; } .project-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 16px; } .project-tags span { font-family: var(--font-mono); font-size: 11px; color: var(--ink-soft); border: 1px solid var(--line-strong); border-radius: 999px; padding: 4px 10px; } .project-link { align-self: flex-start; display: inline-flex; align-items: center; gap: 6px; font-size: 13px; font-family: var(--font-mono); color: var(--teal-deep); border: 1px solid var(--teal); padding: 8px 14px; border-radius: var(--radius); white-space: nowrap; transition: background 0.15s ease, color 0.15s ease; } .project-link:hover { background: var(--teal); color: #fff; } .project-link span { transition: transform 0.15s ease; } .project-link:hover span { transform: translateX(2px); } .project-note { font-size: 12.5px; color: var(--ink-faint); font-style: italic; margin: 0; } /* ========================================================= Blog page ========================================================= */ .post-list { display: flex; flex-direction: column; } .post { padding: 24px 0; border-bottom: 1px solid var(--line); display: grid; grid-template-columns: 120px 1fr; gap: 20px; } .post:first-child { padding-top: 0; } .post-date { font-family: var(--font-mono); font-size: 12.5px; color: var(--ink-faint); padding-top: 3px; } .post h3 { font-size: 17px; margin-bottom: 6px; } .post p { font-size: 14.5px; margin: 0 0 8px; } .post-tag { font-family: var(--font-mono); font-size: 11.5px; color: var(--teal-deep); } /* ========================================================= Contact page ========================================================= */ .contact-layout { display: grid; grid-template-columns: 1fr 1.1fr; gap: 48px; max-width: var(--wide-max); } .contact-info .fact { margin-bottom: 20px; } .contact-info dd a { color: var(--teal-deep); border-bottom: 1px solid var(--line-strong); } .contact-info dd a:hover { border-bottom-color: var(--teal); } .cv-card { display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap; max-width: 620px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px 20px; margin-bottom: 28px; box-shadow: var(--shadow-card); } .cv-card-text h3 { font-size: 15.5px; margin-bottom: 3px; } .cv-card-text p { margin: 0; font-size: 13.5px; } .btn-icon { width: 15px; height: 15px; } .form-field { margin-bottom: 18px; } .form-field label { display: block; font-family: var(--font-mono); font-size: 12.5px; color: var(--ink-soft); margin-bottom: 6px; } .form-field input, .form-field textarea { width: 100%; border: 1px solid var(--line-strong); border-radius: var(--radius); padding: 11px 13px; font-family: var(--font-body); font-size: 14.5px; background: var(--surface); color: var(--ink); resize: vertical; } .form-field input:focus, .form-field textarea:focus { outline: none; border-color: var(--teal); } .form-msg { font-size: 13.5px; margin-top: 10px; min-height: 18px; } .form-msg.success { color: var(--teal-deep); } .form-msg.error { color: #C0392B; } html[data-theme="dark"] .form-msg.error { color: #E58C7D; } /* ========================================================= Footer ========================================================= */ .site-footer { max-width: var(--wide-max); border-top: 1px solid var(--line); padding-top: 22px; margin-top: 20px; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; font-size: 13px; color: var(--ink-faint); } .site-footer a { color: var(--ink-faint); } .site-footer a:hover { color: var(--teal-deep); } /* ========================================================= Responsive ========================================================= */ @media (max-width: 880px) { .nav-links.topbar-links { display: none; } .menu-btn { display: flex; } .topbar { padding: 14px 20px; } .main { padding: 40px 22px 70px; } .contact-layout { grid-template-columns: 1fr; gap: 32px; } .stat-row { grid-template-columns: 1fr; max-width: 320px; } .fact-grid { grid-template-columns: 1fr; } .post { grid-template-columns: 1fr; gap: 6px; } } @media (max-width: 640px) { .topbar { padding: 12px 16px; gap: 12px; } .topbar-brand { font-size: 17px; } .topbar-brand span { font-size: 10px; } .theme-toggle { width: 34px; height: 34px; } .menu-btn { width: 34px; height: 30px; } .mobile-nav { padding: 6px 16px 14px; } .mobile-nav > a { padding: 12px 2px; font-size: 15px; } .main { padding: 32px 16px 56px; } .page-head { margin-bottom: 40px; } .page-head h1 { font-size: clamp(26px, 7vw, 34px); } .section, .section.wide { margin-bottom: 40px; } .hero { gap: 22px; margin-bottom: 44px; } .hero-photo { width: 150px; height: 150px; margin: 0 auto; } .hero-photo-img, .hero-photo-fallback { border-radius: 50%; } .hero-name { margin-bottom: 10px; } .hero-role { margin-bottom: 16px; } .hero .lede { font-size: 15.5px; margin-bottom: 24px; } .hero-actions { margin-bottom: 22px; } .hero-actions .btn { flex: 1 1 auto; justify-content: center; text-align: center; } .social-row { gap: 8px; margin-bottom: 30px; } .social-icon { width: 36px; height: 36px; } .social-icon svg { width: 15px; height: 15px; } .stat { padding: 14px; } .stat b { font-size: 21px; } .card-grid { gap: 14px; } .focus-card { padding: 18px 16px; } .project-grid { gap: 18px; } .project-media { height: 140px; } .project-body { padding: 16px 18px 18px; } .project-body h3 { font-size: 15.5px; } .timeline { padding-left: 20px; } .tl-item::before { left: -24.5px; } .contact-layout { gap: 26px; } .site-footer { padding-top: 18px; } }