/* ========================================================================== Portfolio + HTS Case Study — single shared stylesheet Zero JavaScript. System fonts only. No external assets, no web fonts. One cached request for the whole site (preloaded in ). ========================================================================== */ :root { --color-primary: #1a365d; /* HTS navy */ --color-secondary: #2b6cb0; /* link blue */ --color-dark: #2d3748; /* body text */ --color-light: #f7fafc; /* panel bg */ --color-accent: #dd6b20; /* HTS orange */ --color-border: #e2e8f0; --color-muted: #718096; --color-live: #c53030; /* "before" / thin-content red */ --color-proto: #2f855a; /* "after" / prototype green */ --maxw: 1080px; --radius: 8px; --shadow: 0 1px 3px rgba(26, 54, 93, .08), 0 8px 24px rgba(26, 54, 93, .06); } *, *::before, *::after { box-sizing: border-box; } html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; } body { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif; line-height: 1.65; color: var(--color-dark); background: #fff; margin: 0; font-size: 17px; -webkit-font-smoothing: antialiased; } h1, h2, h3, h4 { line-height: 1.2; color: var(--color-primary); margin: 0 0 .5em; } h1 { font-size: clamp(1.9rem, 4vw, 2.7rem); letter-spacing: -.02em; } h2 { font-size: clamp(1.4rem, 2.5vw, 1.9rem); margin-top: 2.2rem; } h3 { font-size: 1.15rem; } p { margin: 0 0 1.1rem; } a { color: var(--color-secondary); text-underline-offset: 2px; } a:hover { color: var(--color-primary); } strong { color: var(--color-primary); } img { max-width: 100%; height: auto; display: block; } .container { max-width: var(--maxw); margin: 0 auto; padding: 0 1.25rem; } .skip-link { position: absolute; left: -9999px; top: 0; background: var(--color-primary); color: #fff; padding: .6rem 1rem; z-index: 100; } .skip-link:focus { left: 0; } :focus-visible { outline: 3px solid var(--color-accent); outline-offset: 2px; } /* ---------- Header / case-study step nav (CSS-only mobile toggle) -------- */ .cs-header { background: var(--color-primary); color: #fff; position: sticky; top: 0; z-index: 50; } .cs-header-inner { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: .85rem 1.25rem; flex-wrap: wrap; } .cs-brand { color: #fff; font-weight: 700; text-decoration: none; font-size: 1.02rem; letter-spacing: -.01em; white-space: nowrap; } .cs-brand span { color: #cbd5e0; font-weight: 500; } .nav-toggle { display: none; } .nav-toggle-label { display: none; } .cs-nav { display: flex; gap: .25rem 1rem; flex-wrap: wrap; align-items: center; } .cs-nav a { color: #cbd5e0; text-decoration: none; font-size: .82rem; font-weight: 600; padding: .25rem 0; white-space: nowrap; border-bottom: 2px solid transparent; } .cs-nav a:hover { color: #fff; } .cs-nav a.active { color: #fff; border-bottom-color: var(--color-accent); } /* CSS-only dropdown (mirrors the prototype's own nav pattern) */ .has-drop { position: relative; display: inline-flex; } .drop { display: none; position: absolute; top: 100%; left: -.7rem; background: var(--color-primary); border-radius: 0 0 8px 8px; padding: .55rem 1rem .75rem; min-width: 215px; flex-direction: column; gap: .1rem; box-shadow: var(--shadow); z-index: 70; } .has-drop:hover .drop, .has-drop:focus-within .drop { display: flex; } .drop a { font-size: .8rem; padding: .28rem 0; border-bottom: none !important; } .drop a.active { text-decoration: underline; text-underline-offset: 3px; } @media (max-width: 860px) { .has-drop { flex-direction: column; } .drop { position: static; display: flex; background: transparent; padding: .1rem 0 .25rem 1.1rem; min-width: 0; box-shadow: none; } } @media (max-width: 860px) { .nav-toggle-label { display: inline-flex; flex-direction: column; gap: 5px; cursor: pointer; padding: 4px; } .nav-toggle-label span { width: 26px; height: 3px; background: #fff; border-radius: 2px; } .cs-nav { flex-basis: 100%; flex-direction: column; align-items: flex-start; gap: .15rem; max-height: 0; overflow: hidden; transition: max-height .25s ease; } .nav-toggle:checked ~ .cs-nav { max-height: 32rem; padding-top: .6rem; } .cs-nav a { font-size: .95rem; padding: .4rem 0; } } /* ---------- Generic section / hero ------------------------------------- */ .eyebrow { text-transform: uppercase; letter-spacing: .12em; font-size: .72rem; font-weight: 700; color: var(--color-accent); margin: 0 0 .6rem; } .page-hero { padding: 2.6rem 0 1.4rem; border-bottom: 1px solid var(--color-border); } .lead { font-size: 1.18rem; color: #3a4a61; max-width: 64ch; } main { padding-bottom: 3rem; } article > section { margin-top: 1.4rem; } .btn { display: inline-block; background: var(--color-accent); color: #fff; text-decoration: none; font-weight: 700; padding: .7rem 1.25rem; border-radius: var(--radius); border: 2px solid var(--color-accent); } .btn:hover { background: #c45e16; border-color: #c45e16; color: #fff; } .btn-ghost { background: transparent; color: var(--color-primary); border-color: var(--color-border); } .btn-ghost:hover { background: var(--color-light); color: var(--color-primary); border-color: var(--color-primary); } .btn-row { display: flex; gap: .75rem; flex-wrap: wrap; margin: 1.4rem 0; } /* ---------- Four-pillar grid ------------------------------------------- */ .pillars { display: grid; grid-template-columns: 1fr; gap: 1rem; margin: 1.4rem 0; } @media (min-width: 680px) { .pillars { grid-template-columns: repeat(2, 1fr); } } .pillar { border: 1px solid var(--color-border); border-top: 4px solid var(--color-accent); border-radius: var(--radius); padding: 1.1rem 1.2rem; background: #fff; box-shadow: var(--shadow); } .pillar h3 { margin-bottom: .3rem; } .pillar p { margin: 0; font-size: .95rem; color: #46546a; } /* ---------- Disparity: live (thin) vs prototype (rich) ----------------- */ .disparity { display: grid; grid-template-columns: 1fr; gap: 1rem; margin: 1.4rem 0; } @media (min-width: 760px) { .disparity { grid-template-columns: 1fr 1fr; } } .disparity-col { border: 1px solid var(--color-border); border-radius: var(--radius); overflow: hidden; } .disparity-col header { padding: .55rem .9rem; font-weight: 700; font-size: .8rem; letter-spacing: .04em; text-transform: uppercase; color: #fff; } .col-live header { background: var(--color-live); } .col-proto header { background: var(--color-proto); } .disparity-col .body { padding: 1rem; font-size: .95rem; } .disparity-col ul { margin: .4rem 0 0; padding-left: 1.1rem; } .disparity-col li { margin-bottom: .35rem; } /* ---------- Screenshot / figure placeholder ---------------------------- */ .shot { border: 2px dashed #b6c2d4; border-radius: var(--radius); background: repeating-linear-gradient(45deg, #f4f7fb, #f4f7fb 12px, #eef2f8 12px, #eef2f8 24px); min-height: 150px; display: flex; align-items: center; justify-content: center; text-align: center; color: var(--color-muted); font-size: .85rem; padding: 1.25rem; margin: 0; } figure { margin: 1.2rem 0; } figcaption { font-size: .82rem; color: var(--color-muted); margin-top: .5rem; } /* ---------- Callout (algorithmic relevance) ---------------------------- */ .callout { border-left: 5px solid var(--color-accent); background: var(--color-light); padding: 1.2rem 1.3rem; border-radius: 0 var(--radius) var(--radius) 0; margin: 1.6rem 0; } .callout h3 { margin-top: 0; } .callout p:last-child { margin-bottom: 0; } .comparison-box { border: 1px solid var(--color-border); border-radius: var(--radius); padding: 1.2rem 1.3rem; background: var(--color-light); margin: 1.4rem 0; } /* ---------- Flow: the compounding chain -------------------------------- */ .flow { display: flex; flex-wrap: wrap; gap: .6rem; margin: 1.3rem 0; padding: 0; list-style: none; counter-reset: flow; } .flow li { flex: 1 1 150px; border: 1px solid var(--color-border); border-top: 3px solid var(--color-accent); border-radius: var(--radius); padding: .7rem .85rem; background: #fff; } .flow li b { display: block; color: var(--color-primary); margin-bottom: .15rem; } .flow li span { font-size: .82rem; color: #46546a; } /* ---------- Choose-your-path entry cards ------------------------------- */ .choices { display: grid; grid-template-columns: 1fr; gap: 1rem; margin: 1.4rem 0; } @media (min-width: 680px) { .choices { grid-template-columns: repeat(2, 1fr); } } .choice { border: 1px solid var(--color-border); border-left: 4px solid var(--color-secondary); border-radius: var(--radius); padding: 1rem 1.15rem; background: #fff; } .choice:hover { border-color: var(--color-secondary); box-shadow: var(--shadow); } .choice h3 { font-size: 1.02rem; margin-bottom: .35rem; } .choice p { margin: 0; font-size: .95rem; } .choice a { font-weight: 600; } .step-num { display: inline-flex; width: 1.65rem; height: 1.65rem; border-radius: 50%; background: var(--color-accent); color: #fff; font-weight: 800; font-size: .85rem; align-items: center; justify-content: center; margin-right: .55rem; vertical-align: -3px; } /* ---------- Home hero with banner art ---------------------------------- */ .hero-grid { display: grid; grid-template-columns: 1fr; gap: 2.2rem; align-items: center; } @media (min-width: 820px) { .hero-grid { grid-template-columns: 1.45fr 1fr; } } .hero-art { width: 100%; max-width: 430px; justify-self: center; display: block; } @media (max-width: 819px) { .hero-art { max-width: 300px; } } img.hero-art { height: auto; border-radius: 10px; background: #fff; box-shadow: 0 14px 36px rgba(0,0,0,.28); } /* ---------- Metrics ---------------------------------------------------- */ .metrics { display: grid; grid-template-columns: repeat(2, 1fr); gap: .8rem; margin: 1.4rem 0; } @media (min-width: 680px) { .metrics { grid-template-columns: repeat(4, 1fr); } } .metric { border: 1px solid var(--color-border); border-radius: var(--radius); padding: 1rem; text-align: center; background: #fff; } .metric-num { font-size: 1.7rem; font-weight: 800; color: var(--color-primary); line-height: 1.1; } .metric-label { font-size: .78rem; color: var(--color-muted); text-transform: uppercase; letter-spacing: .04em; margin-top: .3rem; } /* ---------- Tags ------------------------------------------------------- */ .tag-row { display: flex; flex-wrap: wrap; gap: .4rem; margin: 1rem 0; } .tag { font-size: .76rem; font-weight: 600; background: #edf2f7; color: #3a4a61; border: 1px solid var(--color-border); border-radius: 999px; padding: .2rem .7rem; } a.tag { text-decoration: none; } a.tag:hover { background: #fff; border-color: var(--color-secondary); color: var(--color-primary); } /* ---------- "Continue the case study" contextual links ----------------- */ .reads { border-top: 2px solid var(--color-border); margin-top: 2.4rem; padding-top: 1.4rem; } .reads h2 { margin-top: 0; } .reads p { max-width: 68ch; } .reads a { font-weight: 600; } .note { font-size: .85rem; color: var(--color-muted); background: #fffaf3; border: 1px dashed #e3b888; border-radius: var(--radius); padding: .6rem .85rem; margin: 1rem 0; } /* ---------- Portfolio home -------------------------------------------- */ .home-hero { background: linear-gradient(160deg, var(--color-primary), #122644); color: #fff; padding: 3.4rem 0 3rem; } .home-hero .eyebrow { color: #f6ad55; } .home-hero h1 { color: #fff; max-width: 18ch; } .home-hero .lead { color: #cdd8e6; } .home-section { padding: 2.6rem 0; border-bottom: 1px solid var(--color-border); } .skills { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 1rem; margin-top: 1.2rem; } .skill { border: 1px solid var(--color-border); border-radius: var(--radius); padding: 1.1rem; background: #fff; } .skill h3 { color: var(--color-accent); font-size: 1rem; } .skill p { margin: 0; font-size: .92rem; color: #46546a; } .project-card { display: grid; grid-template-columns: 1fr; gap: 1.2rem; border: 1px solid var(--color-border); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); background: #fff; } @media (min-width: 820px) { .project-card { grid-template-columns: 1.1fr 1fr; align-items: stretch; } } .project-card .pc-media { background: var(--color-primary); color: #fff; padding: 1.6rem; display: flex; flex-direction: column; justify-content: center; } .project-card .pc-media .metrics { grid-template-columns: 1fr 1fr; } .project-card .pc-media .metric { background: rgba(255,255,255,.06); border-color: rgba(255,255,255,.18); } .project-card .pc-media .metric-num { color: #fff; } .project-card .pc-media .metric-label { color: #b9c6d8; } .project-card .pc-body { padding: 1.6rem; } .project-card .pc-body h3 { font-size: 1.4rem; } /* ---------- Footer ----------------------------------------------------- */ .cs-footer { background: var(--color-light); border-top: 1px solid var(--color-border); padding: 2rem 0; margin-top: 2rem; font-size: .9rem; color: #46546a; } .cs-footer a { color: var(--color-secondary); } .cs-footer .container { display: flex; flex-wrap: wrap; gap: .6rem 1.4rem; justify-content: space-between; align-items: center; }