:root {
  --ink: #14231d;
  --forest: #11261f;
  --green: #1e6b4f;
  --mint: #b8f2d5;
  --lime: #d8f08c;
  --paper: #f4f1e8;
  --white: #fffef9;
  --line: rgba(20, 35, 29, 0.18);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
[id] { scroll-margin-top: 8rem; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: "Manrope", sans-serif; }
a { color: inherit; }
.skip-link { position: fixed; left: 1rem; top: -5rem; z-index: 20; background: var(--white); padding: .8rem 1rem; }
.skip-link:focus { top: 1rem; }

.site-header { position: sticky; top: 0; z-index: 10; display: flex; align-items: center; justify-content: space-between; padding: 1rem clamp(1.2rem, 4vw, 4rem); background: rgba(244, 241, 232, .92); border-bottom: 1px solid var(--line); backdrop-filter: blur(16px); }
.brand { display: flex; align-items: center; gap: .7rem; text-decoration: none; font-weight: 800; }
.brand-logo { display: block; width: 2.25rem; height: 2.25rem; border-radius: 50%; object-fit: contain; }
.nav { display: flex; gap: 1.8rem; }
.nav a { text-decoration: none; font-size: .9rem; font-weight: 700; }
.nav a:hover, .nav a:focus-visible { color: var(--green); }
.menu-button { display: none; border: 1px solid var(--ink); background: transparent; border-radius: 99px; padding: .55rem .9rem; font-weight: 700; }

.section { padding: 7rem clamp(1.2rem, 7vw, 7rem); }
.hero { min-height: calc(100vh - 69px); display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(280px, .55fr); gap: 4rem; align-items: center; background: radial-gradient(circle at 85% 15%, rgba(216,240,140,.55), transparent 30%), var(--paper); }
.eyebrow, .lesson-number { margin: 0 0 1rem; color: var(--green); font: 500 .76rem "DM Mono", monospace; letter-spacing: .08em; text-transform: uppercase; }
h1, h2, h3, p { margin-top: 0; }
h1 { max-width: 900px; margin-bottom: 1.8rem; font-size: clamp(3.4rem, 8vw, 7.8rem); line-height: .92; letter-spacing: -.07em; }
h1 span { color: var(--green); }
.hero-text { max-width: 680px; font-size: clamp(1.05rem, 1.7vw, 1.35rem); line-height: 1.65; }
.hero-actions { display: flex; gap: .8rem; margin-top: 2rem; }
.button { display: inline-block; padding: .9rem 1.2rem; border-radius: 99px; text-decoration: none; font-weight: 800; }
.primary { background: var(--forest); color: var(--white); }
.secondary { border: 1px solid var(--ink); }
.status-card { padding: 1.5rem; border-radius: 1.5rem; background: var(--forest); color: var(--white); box-shadow: 0 30px 60px rgba(17,38,31,.18); transform: rotate(1.5deg); }
.status-top { display: flex; align-items: center; justify-content: space-between; font: 400 .72rem "DM Mono", monospace; text-transform: uppercase; }
.pulse { width: .65rem; height: .65rem; border-radius: 50%; background: var(--lime); box-shadow: 0 0 0 .35rem rgba(216,240,140,.12); }
.status-card > strong { display: block; margin-top: 2rem; color: var(--lime); font-size: 6rem; line-height: 1; }
.status-card > p { color: #dfe8e3; }
.progress { display: grid; grid-template-columns: repeat(3, 1fr); gap: .35rem; margin: 2rem 0; }
.progress span { height: .4rem; border-radius: 1rem; background: var(--mint); }
.status-card dl { margin: 0; border-top: 1px solid rgba(255,255,255,.18); }
.status-card dl div { display: flex; justify-content: space-between; gap: 1rem; padding: .8rem 0; border-bottom: 1px solid rgba(255,255,255,.12); font-size: .82rem; }
.status-card dt { color: #a9b8b1; }
.status-card dd { margin: 0; text-align: right; font-weight: 700; }
.profile-card { align-self: center; overflow: hidden; border: 1px solid var(--line); border-radius: 1.5rem; background: var(--forest); color: var(--white); box-shadow: 0 30px 60px rgba(17,38,31,.18); }
.profile-card img { display: block; width: 100%; max-height: 300px; object-fit: cover; object-position: center 22%; }
.profile-card > div { padding: 1.5rem; }
.profile-card .eyebrow { color: var(--lime); }
.profile-card h2 { margin-bottom: 1rem; font-size: 2rem; letter-spacing: -.04em; }
.profile-card ul { margin: 0; padding-left: 1.1rem; color: #dfe8e3; line-height: 1.8; }

.disciplines-section { background: var(--white); }
.disciplines-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; }
.discipline-card { min-height: 310px; display: flex; flex-direction: column; padding: clamp(1.5rem, 3vw, 2.4rem); border: 1px solid var(--line); border-radius: 1.2rem; background: var(--paper); text-decoration: none; transition: transform .25s ease, box-shadow .25s ease; }
.discipline-card.active { background: var(--forest); color: var(--white); }
.discipline-card[href]:hover { transform: translateY(-5px); box-shadow: 0 18px 40px rgba(17,38,31,.18); }
.discipline-card.future { border-style: dashed; background: transparent; }
.discipline-code { color: var(--green); font: 500 .72rem "DM Mono", monospace; text-transform: uppercase; }
.discipline-card.active .discipline-code { color: var(--lime); }
.discipline-card h3 { max-width: 550px; margin: 3rem 0 1rem; font-size: clamp(1.5rem, 3vw, 2.4rem); line-height: 1.08; letter-spacing: -.04em; }
.discipline-card p { max-width: 590px; color: #5b6761; line-height: 1.65; }
.discipline-card.active p { color: #bac8c2; }
.discipline-card strong { margin-top: auto; padding-top: 2rem; font: 500 .78rem "DM Mono", monospace; }
.previous-semesters-section { background: #e7efe8; }
.previous-semesters-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 1rem; }
.semester-card { min-height: 250px; display: flex; flex-direction: column; padding: 1.5rem; border: 1px solid var(--line); border-radius: 1rem; background: var(--white); text-decoration: none; transition: transform .25s ease, box-shadow .25s ease; }
.semester-card:hover, .semester-card:focus-visible { transform: translateY(-4px); box-shadow: 0 15px 32px rgba(17,38,31,.14); }
.semester-card span { color: var(--green); font: 500 .72rem "DM Mono",monospace; text-transform: uppercase; }
.semester-card h3 { margin: 3rem 0 .8rem; font-size: 1.35rem; }
.semester-card p { margin-top: auto; color: #59645f; line-height: 1.6; }
.content-section { background: var(--paper); }
.section-heading { display: grid; grid-template-columns: .7fr 1.3fr; column-gap: 3rem; margin-bottom: 4rem; }
.section-heading .eyebrow { grid-column: 1; }
.section-heading h2 { grid-column: 1; font-size: clamp(2.5rem, 5vw, 5rem); line-height: 1; letter-spacing: -.05em; }
.section-heading > p:last-child { grid-column: 2; grid-row: 2; max-width: 520px; font-size: 1.1rem; color: #53615b; }
.timeline { max-width: 1000px; margin-left: auto; }
.lesson { display: grid; grid-template-columns: 110px 1fr; gap: 2rem; padding: 2.3rem 0; border-top: 1px solid var(--line); }
.lesson:last-child { border-bottom: 1px solid var(--line); }
.lesson-date { font: 500 .72rem "DM Mono", monospace; color: var(--green); }
.lesson-date span { display: block; color: var(--ink); font: 800 2.3rem "Manrope", sans-serif; line-height: .9; }
.lesson h3, .activity-card h3, .pi-card h3 { margin-bottom: .7rem; font-size: 1.55rem; letter-spacing: -.03em; }
.lesson p:not(.lesson-number) { max-width: 670px; color: #59645f; line-height: 1.7; }
.tags { display: flex; flex-wrap: wrap; gap: .45rem; margin-top: 1rem; }
.tags span { padding: .35rem .65rem; border: 1px solid var(--line); border-radius: 99px; font: 400 .7rem "DM Mono", monospace; }

.activities-section { background: var(--lime); }
.activity-card { display: grid; grid-template-columns: 1fr 220px; gap: 3rem; padding: clamp(1.5rem, 4vw, 3rem); border: 1px solid var(--ink); border-radius: 1.2rem; background: var(--paper); box-shadow: 10px 10px 0 var(--forest); }
.activity-card + .activity-card { margin-top: 2rem; }
.activity-card > div:first-child { max-width: 700px; }
.activity-card p { line-height: 1.65; }
.activity-status { display: inline-block; margin-bottom: 2rem; padding: .45rem .8rem; border-radius: 99px; background: var(--mint); font: 500 .72rem "DM Mono", monospace; text-transform: uppercase; }
.activity-status.completed { background: var(--forest); color: var(--white); }
.activity-status.attention { background: #f2c879; color: var(--ink); }
.activity-meta { display: flex; flex-direction: column; justify-content: center; padding-left: 2rem; border-left: 1px solid var(--line); }
.activity-meta span, .activity-meta small { color: #5a655f; }
.activity-meta strong { margin: .35rem 0; font-size: 1.25rem; }

.pi-section { background: var(--forest); color: var(--white); }
.pi-intro { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; margin-bottom: 4rem; }
.pi-intro h2 { font-size: clamp(3rem, 6vw, 6.2rem); line-height: .95; letter-spacing: -.06em; }
.pi-intro > p:last-child { align-self: end; max-width: 560px; color: #b8c7c0; font-size: 1.1rem; line-height: 1.75; }
.pi-section .eyebrow { color: var(--lime); grid-column: 1 / -1; }
.pi-grid { display: grid; grid-template-columns: repeat(5, 1fr); border-top: 1px solid rgba(255,255,255,.2); border-left: 1px solid rgba(255,255,255,.2); }
.pi-card { min-height: 280px; padding: 1.5rem; border-right: 1px solid rgba(255,255,255,.2); border-bottom: 1px solid rgba(255,255,255,.2); }
.pi-card span { color: var(--lime); font: 500 .8rem "DM Mono", monospace; }
.pi-card h3 { margin-top: 6rem; }
.pi-card p { color: #aebdb6; line-height: 1.6; }
.pi-home-action { display: flex; align-items: center; justify-content: space-between; gap: 2rem; margin-top: 2rem; padding-top: 2rem; border-top: 1px solid rgba(255,255,255,.2); }
.pi-home-action p { max-width: 600px; margin: 0; color: #b8c7c0; line-height: 1.7; }
.pi-button { flex: 0 0 auto; background: var(--lime); color: var(--ink); }
.pi-button:hover, .pi-button:focus-visible { background: var(--mint); }

.pi-project-hero { min-height: calc(100vh - 69px); display: grid; grid-template-columns: minmax(0,1.35fr) minmax(300px,.65fr); gap: 4rem; align-items: center; padding: 7rem clamp(1.2rem,7vw,7rem); background: radial-gradient(circle at 85% 15%,rgba(216,240,140,.62),transparent 31%),var(--paper); }
.pi-project-title h1 { margin-bottom: 1.7rem; }
.pi-project-lead { max-width: 760px; font-size: clamp(1.05rem,1.8vw,1.4rem); line-height: 1.7; }
.pi-project-status { padding: clamp(1.5rem,3vw,2.2rem); border-radius: 1.5rem; background: var(--forest); color: var(--white); box-shadow: 0 30px 60px rgba(17,38,31,.18); }
.pi-project-status > strong { display: block; margin: 2rem 0 .6rem; color: var(--lime); font-size: clamp(4.5rem,9vw,7.2rem); line-height: .9; letter-spacing: -.08em; }
.pi-project-status > p { color: #c2cec9; line-height: 1.7; }
.pi-project-status dl { margin: 1.8rem 0 0; }
.pi-project-status dl div { display: flex; justify-content: space-between; gap: 1rem; padding: .85rem 0; border-top: 1px solid rgba(255,255,255,.15); font-size: .82rem; }
.pi-project-status dt { color: #aebdb6; }
.pi-project-status dd { margin: 0; text-align: right; font-weight: 700; }
.pi-overview-section, .pi-disciplines-section, .pi-deliverables-section { background: var(--white); }
.pi-problem-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 1rem; }
.pi-statement { min-height: 340px; display: flex; flex-direction: column; justify-content: flex-end; padding: clamp(1.5rem,3vw,2.5rem); border: 1px solid var(--line); border-radius: 1.2rem; background: var(--paper); }
.pi-statement-dark { background: var(--forest); color: var(--white); }
.pi-statement > span, .pi-discipline-map article > span { color: var(--green); font: 500 .72rem "DM Mono",monospace; text-transform: uppercase; }
.pi-statement-dark > span { color: var(--lime); }
.pi-statement h3 { max-width: 520px; margin: 1.2rem 0 .8rem; font-size: clamp(1.8rem,3.2vw,3.2rem); line-height: 1.05; letter-spacing: -.04em; }
.pi-statement p { max-width: 630px; margin-bottom: 0; color: #53615b; line-height: 1.75; }
.pi-statement-dark p { color: #b8c7c0; }
.pi-team-section { background: var(--lime); }
.pi-team-placeholder { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; padding: clamp(1.5rem,4vw,3rem); border: 1px solid var(--ink); border-radius: 1.2rem; background: var(--paper); box-shadow: 10px 10px 0 var(--forest); }
.pi-placeholder-label, .pi-deliverable-status { display: inline-block; padding: .42rem .7rem; border-radius: 99px; background: #e7e2d6; color: var(--green); font: 500 .68rem "DM Mono",monospace; text-transform: uppercase; }
.pi-team-placeholder h3 { margin: 1.5rem 0 .8rem; font-size: clamp(1.7rem,3vw,2.7rem); letter-spacing: -.04em; }
.pi-team-placeholder p { max-width: 570px; color: #53615b; line-height: 1.75; }
.pi-team-placeholder ul { margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--line); }
.pi-team-placeholder li { display: grid; grid-template-columns: 52px 1fr; gap: 1rem; padding: 1.2rem 0; border-bottom: 1px solid var(--line); font-weight: 700; }
.pi-team-placeholder li span { color: var(--green); font: 500 .75rem "DM Mono",monospace; }
.pi-solution-section { background: var(--paper); }
.pi-flow { display: grid; grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr; align-items: stretch; gap: .7rem; }
.pi-flow article { min-height: 255px; padding: 1.4rem; border: 1px solid var(--line); border-radius: 1rem; background: var(--white); }
.pi-flow article span { color: var(--green); font: 500 .75rem "DM Mono",monospace; }
.pi-flow article h3 { margin: 4rem 0 .7rem; font-size: 1.35rem; }
.pi-flow article p, .pi-audience-grid article p:last-child { color: #59645f; line-height: 1.65; }
.pi-flow-arrow { align-self: center; color: var(--green); font-size: 1.8rem; }
.pi-audience-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 1rem; margin-top: 1rem; }
.pi-audience-grid article { padding: 1.6rem; border: 1px solid var(--line); border-radius: 1rem; background: rgba(184,242,213,.23); }
.pi-audience-grid h3 { font-size: 1.7rem; }
.pi-discipline-map { display: grid; grid-template-columns: repeat(6,1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.pi-discipline-map article { grid-column: span 2; min-height: 270px; padding: 1.5rem; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); background: var(--paper); }
.pi-discipline-map article:nth-child(4), .pi-discipline-map article:nth-child(5) { grid-column: span 3; }
.pi-discipline-map h3 { margin: 4.5rem 0 .7rem; font-size: 1.55rem; letter-spacing: -.03em; }
.pi-discipline-map p { color: #59645f; line-height: 1.65; }
.pi-roadmap-section { background: var(--forest); color: var(--white); }
.pi-roadmap-section .eyebrow { color: var(--lime); }
.pi-roadmap-section .section-heading > p:last-child { color: #b8c7c0; }
.pi-roadmap { max-width: 1000px; margin: 0 0 0 auto; padding: 0; list-style: none; border-top: 1px solid rgba(255,255,255,.2); }
.pi-roadmap li { display: grid; grid-template-columns: 90px 1fr; gap: 2rem; padding: 2rem 0; border-bottom: 1px solid rgba(255,255,255,.2); }
.pi-roadmap li > span { color: var(--lime); font: 500 .78rem "DM Mono",monospace; }
.pi-roadmap h3 { margin-bottom: .6rem; font-size: clamp(1.5rem,3vw,2.4rem); }
.pi-roadmap p { max-width: 680px; margin: 0; color: #b8c7c0; line-height: 1.7; }
.pi-activity-evidence-section { background: #e7efe8; }
.pi-evidence-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 1rem; }
.pi-evidence-card { min-height: 390px; display: flex; flex-direction: column; padding: clamp(1.5rem,3vw,2rem); border: 1px solid var(--line); border-radius: 1.2rem; background: var(--white); }
.pi-evidence-card > div:first-child { display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.pi-evidence-format { margin: 0; color: #64716b; font: 500 .68rem "DM Mono",monospace; text-transform: uppercase; }
.pi-evidence-card h3 { margin: 3rem 0 .8rem; font-size: clamp(1.6rem,3vw,2.2rem); letter-spacing: -.04em; }
.pi-evidence-card > p { color: #53615b; line-height: 1.75; }
.pi-evidence-card .download-link { align-self: flex-start; margin-top: auto; }
.pi-evidence-learning { margin-top: 1rem; padding: clamp(1.5rem,3vw,2.2rem); border-left: 4px solid var(--green); background: rgba(255,255,255,.68); }
.pi-evidence-learning p:last-child { max-width: 900px; margin-bottom: 0; color: #53615b; line-height: 1.75; }
.pi-deliverables-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 1rem; }
.pi-deliverables-grid article { min-height: 260px; display: flex; flex-direction: column; padding: 1.6rem; border: 1px solid var(--line); border-radius: 1rem; background: var(--paper); }
.pi-deliverable-status.active { background: var(--mint); color: var(--ink); }
.pi-deliverables-grid h3 { margin: 2.5rem 0 .7rem; font-size: 1.5rem; }
.pi-deliverables-grid p { color: #53615b; line-height: 1.65; }
.pi-deliverables-grid small { margin-top: auto; padding-top: 1.5rem; color: #64716b; font: 500 .7rem "DM Mono",monospace; }
.pi-deliverables-grid ul { margin: 0 0 1.5rem; padding-left: 1.1rem; color: #53615b; line-height: 1.7; }
.pi-deliverables-grid li + li { margin-top: .45rem; }
.pi-deliverable-status.review { background: #f2d89e; color: #5b4210; }
.pi-deliverable-status.pending { background: #e1e4e2; color: #45514b; }
.pi-deliverable-links { display: flex; flex-wrap: wrap; gap: .55rem; margin-top: auto; }
.pi-deliverable-links a { padding: .55rem .75rem; border: 1px solid var(--line); border-radius: 99px; color: var(--green); font: 600 .68rem "DM Mono",monospace; text-decoration: none; }
.pi-deliverable-links a:hover, .pi-deliverable-links a:focus-visible { border-color: var(--green); background: var(--mint); color: var(--ink); }
.pi-deliverables-warning { margin: 1rem 0 0; padding: 1.2rem 1.4rem; border-left: 4px solid #d2a33e; background: #fff2de; color: #53615b; line-height: 1.7; }
.pi-guidance-downloads { display: grid; grid-template-columns: .8fr 1.2fr; gap: 2rem; margin-top: 1rem; padding: clamp(1.5rem,3vw,2.2rem); border-radius: 1.2rem; background: var(--forest); color: var(--white); }
.pi-guidance-downloads .eyebrow { color: var(--lime); }
.pi-guidance-downloads h3 { margin-bottom: 0; font-size: clamp(1.5rem,3vw,2.3rem); letter-spacing: -.04em; }
.pi-guidance-links { display: flex; flex-wrap: wrap; align-content: flex-start; gap: .65rem; }
.pi-guidance-links .download-link { margin: 0; background: var(--lime); color: var(--ink); }
.pi-guidance-links .download-link:hover, .pi-guidance-links .download-link:focus-visible { background: var(--mint); }
.pi-update-note { margin-top: 3rem; padding: clamp(1.5rem,3vw,2.5rem); border-left: 4px solid var(--green); background: rgba(184,242,213,.25); }
.pi-update-note h3 { font-size: clamp(1.5rem,3vw,2.4rem); }
.pi-update-note p:last-child { max-width: 760px; margin-bottom: 0; color: #53615b; line-height: 1.75; }
.pi-external-actions { flex-wrap: wrap; }
.pi-academic-note { margin: 2rem 0 0; padding: 1.2rem 1.4rem; border-left: 4px solid var(--green); background: rgba(184,242,213,.28); line-height: 1.7; }
.pi-evolution-section { background: #e7efe8; }
.pi-semester-timeline { display: grid; grid-template-columns: repeat(3,1fr); gap: 1rem; margin: 0; padding: 0; list-style: none; }
.pi-semester-timeline li { min-height: 310px; display: flex; flex-direction: column; justify-content: space-between; padding: 1.6rem; border: 1px solid var(--line); border-radius: 1rem; background: var(--white); }
.pi-semester-timeline li > span { color: var(--green); font: 500 .72rem "DM Mono",monospace; text-transform: uppercase; }
.pi-semester-timeline h3 { margin: 3rem 0 .7rem; font-size: 1.65rem; letter-spacing: -.035em; }
.pi-semester-timeline p { margin-bottom: 0; color: #53615b; line-height: 1.7; }
.pi-mvp-section { background: var(--paper); }
.pi-status-columns { display: grid; grid-template-columns: repeat(3,1fr); gap: 1rem; }
.pi-status-card { min-height: 500px; padding: 1.6rem; border: 1px solid var(--line); border-radius: 1rem; background: var(--white); }
.pi-status-card.implemented { border-top: 8px solid var(--green); }
.pi-status-card.developing { border-top: 8px solid #d2a33e; }
.pi-status-card.planned { border-top: 8px solid #7b8580; }
.pi-status { display: inline-block; padding: .42rem .72rem; border-radius: 99px; font: 500 .68rem "DM Mono",monospace; text-transform: uppercase; }
.pi-status.implemented { background: var(--mint); color: var(--ink); }
.pi-status.developing { background: #f2d89e; color: #5b4210; }
.pi-status.planned { background: #e1e4e2; color: #45514b; }
.pi-status-card h3 { margin: 2.5rem 0 1.2rem; font-size: 1.65rem; letter-spacing: -.035em; }
.pi-status-card ul { margin: 0; padding-left: 1.15rem; color: #53615b; line-height: 1.75; }
.pi-status-card li + li { margin-top: .55rem; }
.pi-ihc-section { background: var(--white); }
.pi-persona-layout { display: grid; grid-template-columns: 1.15fr .85fr; gap: 1rem; }
.pi-persona-card { display: grid; grid-template-columns: 145px 1fr; gap: 1.6rem; padding: clamp(1.5rem,3vw,2.3rem); border-radius: 1.2rem; background: var(--forest); color: var(--white); }
.pi-persona-image { width: 145px; height: 210px; display: block; border: 1px solid rgba(255,255,255,.25); border-radius: 1rem; object-fit: cover; object-position: center 24%; }
.pi-persona-card .eyebrow { color: var(--lime); }
.pi-persona-card h3 { font-size: clamp(2rem,4vw,3.7rem); letter-spacing: -.05em; }
.pi-persona-card p { color: #c1cdc8; line-height: 1.7; }
.pi-persona-card blockquote { margin: 2rem 0 0; padding: 1.2rem 0 0; border-top: 1px solid rgba(255,255,255,.2); color: var(--white); font-size: 1.15rem; line-height: 1.6; }
.pi-persona-details { display: grid; gap: 1rem; }
.pi-persona-details article { padding: 1.4rem; border: 1px solid var(--line); border-radius: 1rem; background: var(--paper); }
.pi-persona-details h3 { margin-bottom: .6rem; font-size: 1.3rem; }
.pi-persona-details p { margin-bottom: 0; color: #53615b; line-height: 1.65; }
.pi-journey-heading { margin-top: 5rem; }
.pi-journey-heading h3 { font-size: clamp(2rem,4vw,3.6rem); letter-spacing: -.045em; }
.pi-journey-wrap { overflow-x: auto; margin-top: 2rem; border: 1px solid var(--line); border-radius: 1rem; }
.pi-journey-table { width: 100%; min-width: 780px; border-collapse: collapse; background: var(--paper); text-align: left; }
.pi-journey-table th, .pi-journey-table td { padding: 1rem; border-bottom: 1px solid var(--line); vertical-align: top; line-height: 1.5; }
.pi-journey-table thead th { background: var(--forest); color: var(--white); font: 500 .72rem "DM Mono",monospace; text-transform: uppercase; }
.pi-journey-table tbody th { color: var(--green); }
.pi-journey-table tbody td { color: #53615b; }
.pi-journey-table tr:last-child th, .pi-journey-table tr:last-child td { border-bottom: 0; }
.pi-journey-table .journey-tension { background: #fff2de; }
.pi-journey-table .journey-relief { background: rgba(184,242,213,.38); }
.pi-journey-legend { display: flex; flex-wrap: wrap; gap: 1rem 2rem; margin-top: 1rem; color: #53615b; font-size: .82rem; }
.pi-journey-legend span { display: inline-flex; align-items: center; gap: .5rem; }
.pi-journey-legend i { width: .7rem; height: .7rem; border-radius: 50%; }
.tension-dot { background: #dc8f31; }
.relief-dot { background: var(--green); }
.pi-architecture-section { background: var(--paper); }
.pi-architecture-layout { display: grid; grid-template-columns: 1.25fr .75fr; gap: 1rem; }
.pi-architecture-diagram { display: grid; gap: .65rem; padding: clamp(1.3rem,3vw,2rem); border-radius: 1.2rem; background: var(--forest); }
.pi-architecture-diagram > div { padding: 1.1rem 1.3rem; border: 1px solid rgba(255,255,255,.18); border-radius: .8rem; background: rgba(255,255,255,.05); color: var(--white); }
.pi-architecture-diagram span, .pi-architecture-diagram small { display: block; color: #aebdb6; font: 500 .68rem "DM Mono",monospace; }
.pi-architecture-diagram strong { display: block; margin: .45rem 0; color: var(--lime); font-size: 1.3rem; }
.pi-architecture-diagram > b { color: var(--mint); text-align: center; }
.pi-stack-card { padding: clamp(1.4rem,3vw,2rem); border: 1px solid var(--line); border-radius: 1.2rem; background: var(--white); }
.pi-stack-card ul { margin: 1.5rem 0 0; padding-left: 1.1rem; color: #53615b; line-height: 1.75; }
.pi-stack-card li + li { margin-top: .6rem; }
.pi-technical-flow { margin-top: 1rem; padding: clamp(1.5rem,3vw,2.5rem); border: 1px solid var(--line); border-radius: 1.2rem; background: var(--white); }
.pi-technical-flow h3 { font-size: clamp(1.8rem,3vw,2.8rem); letter-spacing: -.04em; }
.pi-technical-flow ol { display: grid; grid-template-columns: repeat(3,1fr); gap: 1rem; counter-reset: flow; margin: 2rem 0 0; padding: 0; list-style: none; }
.pi-technical-flow li { min-height: 150px; padding: 1rem; border-top: 1px solid var(--line); color: #53615b; line-height: 1.6; }
.pi-technical-flow li::before { counter-increment: flow; content: counter(flow, decimal-leading-zero); display: block; margin-bottom: 1.5rem; color: var(--green); font: 500 .72rem "DM Mono",monospace; }
.pi-nosql-note { display: grid; grid-template-columns: 180px 1fr; gap: 2rem; margin-top: 1rem; padding: clamp(1.5rem,3vw,2.2rem); border: 1px solid var(--line); border-radius: 1.2rem; background: #e7efe8; }
.pi-nosql-note .pi-status { align-self: start; justify-self: start; }
.pi-nosql-note h3 { font-size: 1.65rem; }
.pi-nosql-note p { max-width: 850px; margin-bottom: 0; color: #53615b; line-height: 1.75; }
.pi-results-section { background: var(--white); }
.pi-results-grid { display: grid; grid-template-columns: repeat(4,1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.pi-results-grid article { min-height: 260px; padding: 1.5rem; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); background: var(--paper); }
.pi-results-grid span { color: var(--green); font: 500 .72rem "DM Mono",monospace; }
.pi-results-grid h3 { margin: 4.5rem 0 .7rem; font-size: 1.45rem; }
.pi-results-grid p { color: #53615b; line-height: 1.65; }
.pi-limitations-section { background: #f2d89e; }
.pi-limitations-list { display: grid; grid-template-columns: repeat(2,1fr); gap: 0; margin: 0; padding: 0; border-top: 1px solid rgba(20,35,29,.3); border-left: 1px solid rgba(20,35,29,.3); list-style: none; }
.pi-limitations-list li { min-height: 110px; padding: 1.3rem; border-right: 1px solid rgba(20,35,29,.3); border-bottom: 1px solid rgba(20,35,29,.3); font-weight: 700; line-height: 1.55; }
.pi-team-final { background: var(--paper); }
.pi-team-grid { display: grid; grid-template-columns: repeat(5,1fr); gap: 1rem; }
.pi-team-grid article { min-height: 360px; display: flex; flex-direction: column; padding: 1.4rem; border: 1px solid var(--line); border-radius: 1rem; background: var(--white); }
.pi-team-member-photo { width: min(100%,160px); aspect-ratio: 1; display: block; border-radius: 50%; object-fit: cover; }
.pi-team-grid h3 { margin: 2rem 0 .7rem; font-size: 1.25rem; line-height: 1.2; }
.pi-team-grid p { margin-top: auto; color: var(--green); font: 500 .72rem "DM Mono",monospace; text-transform: uppercase; }
.pi-final-links { display: flex; align-items: center; justify-content: space-between; gap: 2rem; margin-top: 3rem; padding: clamp(1.5rem,3vw,2.2rem); border-radius: 1.2rem; background: var(--lime); }
.pi-final-links h3 { margin-bottom: 0; font-size: clamp(1.5rem,3vw,2.5rem); letter-spacing: -.04em; }
.pi-final-links .hero-actions { margin-top: 0; }
.pi-security-overview-section { background: var(--forest); color: var(--white); }
.pi-security-overview-section .eyebrow { color: var(--lime); }
.pi-security-overview-section .section-heading > p:last-child { color: #b8c7c0; }
.pi-security-overview-grid { display: grid; grid-template-columns: repeat(4,1fr); border-top: 1px solid rgba(255,255,255,.2); border-left: 1px solid rgba(255,255,255,.2); }
.pi-security-overview-grid article { min-height: 300px; padding: 1.5rem; border-right: 1px solid rgba(255,255,255,.2); border-bottom: 1px solid rgba(255,255,255,.2); }
.pi-security-overview-grid span { color: var(--lime); font: 500 .72rem "DM Mono",monospace; text-transform: uppercase; }
.pi-security-overview-grid h3 { margin: 4.5rem 0 .8rem; font-size: 1.45rem; letter-spacing: -.03em; }
.pi-security-overview-grid p { margin-bottom: 0; color: #b8c7c0; line-height: 1.65; }
.pi-security-overview-action { display: flex; align-items: center; justify-content: space-between; gap: 2rem; margin-top: 1rem; padding: clamp(1.5rem,3vw,2.2rem); border-radius: 1.2rem; background: var(--lime); color: var(--ink); }
.pi-security-overview-action .eyebrow { color: var(--green); }
.pi-security-overview-action h3 { margin-bottom: 0; font-size: clamp(1.5rem,3vw,2.4rem); letter-spacing: -.04em; }
.pi-security-overview-action .hero-actions { margin-top: 0; }

/* Relatório de segurança do Projeto Integrador */
.security-report-page { background: var(--paper); }
.security-report-hero { min-height: calc(100vh - 69px); display: grid; grid-template-columns: minmax(0,1.25fr) minmax(300px,.75fr); gap: 4rem; align-items: center; padding: 7rem clamp(1.2rem,7vw,7rem); background: radial-gradient(circle at 88% 12%,rgba(184,242,213,.7),transparent 30%),linear-gradient(155deg,#f4f1e8 0%,#e7efe8 100%); }
.security-report-hero h1 { font-size: clamp(3.8rem,8vw,8rem); }
.security-report-hero h1 span { color: var(--green); }
.security-report-lead { max-width: 760px; font-size: clamp(1.05rem,1.8vw,1.4rem); line-height: 1.7; }
.security-report-summary { padding: clamp(1.5rem,3vw,2.3rem); border-radius: 1.5rem; background: var(--forest); color: var(--white); box-shadow: 0 30px 60px rgba(17,38,31,.18); }
.security-report-summary .eyebrow { color: var(--lime); }
.security-report-summary > strong { display: block; margin: 1.6rem 0 .7rem; color: var(--lime); font-size: clamp(4rem,8vw,7rem); line-height: .9; letter-spacing: -.08em; }
.security-report-summary > p { color: #c2cec9; line-height: 1.7; }
.security-report-summary dl { margin: 1.8rem 0 0; }
.security-report-summary dl div { display: flex; justify-content: space-between; gap: 1rem; padding: .85rem 0; border-top: 1px solid rgba(255,255,255,.15); font-size: .8rem; }
.security-report-summary dt { color: #aebdb6; }
.security-report-summary dd { margin: 0; text-align: right; font-weight: 700; }
.security-report-intro { display: grid; grid-template-columns: .55fr 1.45fr; gap: 4rem; background: var(--white); }
.security-report-kicker { align-self: start; position: sticky; top: 130px; padding-top: .7rem; border-top: 1px solid var(--line); }
.security-report-kicker span { color: var(--green); font: 500 .72rem "DM Mono",monospace; }
.security-report-kicker p { max-width: 270px; font-size: 1.1rem; font-weight: 800; line-height: 1.4; }
.security-report-prose { max-width: 850px; }
.security-report-prose.wide { max-width: 1050px; margin-left: auto; }
.security-report-prose h3 { margin-bottom: 1.2rem; font-size: clamp(1.8rem,3vw,2.8rem); letter-spacing: -.04em; }
.security-report-prose p { color: #4f5e57; font-size: 1.04rem; line-height: 1.85; }
.security-report-prose p + p { margin-top: 1.3rem; }
.security-report-section { background: var(--paper); }
.security-before-after { display: grid; grid-template-columns: repeat(2,1fr); gap: 1rem; margin: 3rem 0 1rem; }
.security-before-after > div { min-height: 360px; padding: clamp(1.5rem,3vw,2.2rem); border-radius: 1.2rem; background: var(--forest); color: var(--white); }
.security-before-after > div:last-child { background: var(--lime); color: var(--ink); }
.security-before-after span { color: var(--lime); font: 500 .72rem "DM Mono",monospace; text-transform: uppercase; }
.security-before-after > div:last-child span { color: var(--green); }
.security-before-after h3 { margin: 3.5rem 0 1rem; font-size: clamp(1.7rem,3vw,2.4rem); letter-spacing: -.04em; }
.security-before-after ul { margin: 0; padding-left: 1.15rem; color: #c2cec9; line-height: 1.75; }
.security-before-after > div:last-child ul { color: #34483f; }
.security-table-wrap { overflow-x: auto; margin-top: 1rem; border: 1px solid var(--line); border-radius: 1rem; }
.security-report-table { width: 100%; min-width: 680px; border-collapse: collapse; background: var(--white); text-align: left; }
.security-report-table th, .security-report-table td { padding: 1rem 1.2rem; border-bottom: 1px solid var(--line); vertical-align: top; line-height: 1.6; }
.security-report-table thead th { background: var(--forest); color: var(--white); font: 500 .72rem "DM Mono",monospace; text-transform: uppercase; }
.security-report-table tbody th { color: var(--green); }
.security-report-table tbody td { color: #53615b; }
.security-report-table tr:last-child th, .security-report-table tr:last-child td { border-bottom: 0; }
.security-concepts-section { background: #e7efe8; }
.security-concepts-grid { display: grid; grid-template-columns: repeat(6,1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.security-concepts-grid article { grid-column: span 2; min-height: 280px; padding: 1.5rem; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); background: rgba(255,255,255,.62); }
.security-concepts-grid article:nth-child(7) { grid-column: span 6; min-height: auto; }
.security-concepts-grid span { color: var(--green); font: 500 .72rem "DM Mono",monospace; }
.security-concepts-grid h3 { margin: 4rem 0 .8rem; font-size: 1.45rem; letter-spacing: -.03em; }
.security-concepts-grid article:nth-child(7) h3 { margin-top: 1.8rem; }
.security-concepts-grid p { margin-bottom: 0; color: #53615b; line-height: 1.7; }
.security-warning { display: grid; grid-template-columns: .35fr 1.65fr; gap: 2rem; margin-top: 1rem; padding: clamp(1.5rem,3vw,2.2rem); border-left: 5px solid #d2a33e; background: #fff2de; }
.security-warning strong { font-size: 1.5rem; }
.security-warning p { margin: 0; color: #53615b; line-height: 1.75; }
.security-architecture-section { background: var(--forest); color: var(--white); }
.security-architecture-section .eyebrow { color: var(--lime); }
.security-architecture-section .section-heading > p:last-child { color: #b8c7c0; }
.security-flow-diagram { display: grid; grid-template-columns: repeat(13,auto); align-items: center; gap: .6rem; overflow-x: auto; padding: 1.2rem; border: 1px solid rgba(255,255,255,.18); border-radius: 1.2rem; }
.security-flow-diagram > div { min-width: 155px; min-height: 165px; display: flex; flex-direction: column; padding: 1.1rem; border: 1px solid rgba(255,255,255,.16); border-radius: .9rem; background: rgba(255,255,255,.06); }
.security-flow-diagram span, .security-flow-diagram small { color: #aebdb6; font: 500 .67rem "DM Mono",monospace; }
.security-flow-diagram strong { margin: auto 0 .6rem; color: var(--lime); font-size: 1.05rem; }
.security-flow-diagram b { color: var(--mint); }
.security-decision-flow { display: grid; grid-template-columns: repeat(3,1fr); gap: 1rem; margin: 1rem 0 0; padding: 0; list-style: none; }
.security-decision-flow li { min-height: 175px; padding: 1.2rem; border: 1px solid rgba(255,255,255,.18); border-radius: .9rem; background: rgba(255,255,255,.04); }
.security-decision-flow span { color: var(--lime); font: 500 .72rem "DM Mono",monospace; text-transform: uppercase; }
.security-decision-flow p { margin: 2.5rem 0 0; color: #b8c7c0; line-height: 1.6; }
.security-decision-flow strong { color: var(--white); }
.security-tech-stack { display: grid; grid-template-columns: .7fr 1.3fr; gap: 2rem; margin-top: 1rem; padding: clamp(1.5rem,3vw,2.2rem); border-radius: 1.2rem; background: var(--lime); color: var(--ink); }
.security-tech-stack .eyebrow { color: var(--green); }
.security-tech-stack h3 { margin-bottom: 0; font-size: clamp(1.6rem,3vw,2.4rem); letter-spacing: -.04em; }
.security-tech-stack > p { margin: 0; color: #34483f; line-height: 1.75; }
.security-code-section { background: var(--paper); }
.security-code-article { display: grid; grid-template-columns: .85fr 1.15fr; gap: 2rem; margin-top: 1rem; padding: clamp(1.4rem,3vw,2.2rem); border: 1px solid var(--line); border-radius: 1.2rem; background: var(--white); }
.security-code-copy h3 { font-size: clamp(1.6rem,3vw,2.3rem); letter-spacing: -.04em; }
.security-code-copy p { color: #53615b; line-height: 1.72; }
.security-code-copy code { overflow-wrap: anywhere; }
.security-code-article pre, .security-test-code-grid pre { overflow-x: auto; margin: 0; padding: 1.4rem; border-radius: .9rem; background: #0d1d18; color: #d9f58c; font: 400 .78rem/1.65 "DM Mono",monospace; tab-size: 2; }
.security-code-article pre code, .security-test-code-grid pre code { color: inherit; background: transparent; }
.security-tests-section { background: var(--white); }
.security-test-result { display: grid; grid-template-columns: .7fr 1.3fr; border-radius: 1.2rem; overflow: hidden; background: var(--forest); color: var(--white); }
.security-test-result > div { display: flex; flex-direction: column; justify-content: center; padding: 2rem; background: var(--lime); color: var(--ink); }
.security-test-result > div span { font: 500 .72rem "DM Mono",monospace; }
.security-test-result > div strong { margin-top: .4rem; font-size: clamp(2.7rem,6vw,5rem); letter-spacing: -.07em; }
.security-test-result dl { display: grid; grid-template-columns: repeat(4,1fr); margin: 0; }
.security-test-result dl div { display: flex; flex-direction: column; justify-content: center; padding: 1.3rem; border-left: 1px solid rgba(255,255,255,.15); }
.security-test-result dt { color: #aebdb6; font: 500 .68rem "DM Mono",monospace; }
.security-test-result dd { margin: .8rem 0 0; color: var(--lime); font-size: 2.2rem; font-weight: 800; }
.security-tests-section .security-report-prose { margin-top: 2rem; }
.security-test-code-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 1rem; margin-top: 1rem; }
.security-test-code-grid article { min-width: 0; padding: 1.5rem; border: 1px solid var(--line); border-radius: 1rem; background: var(--paper); }
.security-test-code-grid h3 { font-size: 1.5rem; }
.security-test-code-grid pre { margin: 1.5rem 0; font-size: .72rem; }
.security-test-code-grid article > p:last-child { color: #53615b; line-height: 1.65; }
.http-table td:first-child { color: var(--green); font-weight: 800; white-space: nowrap; }
.security-future-section { background: #f2d89e; }
.security-limitations-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 1rem; }
.security-limitations-grid article { padding: clamp(1.5rem,3vw,2.2rem); border: 1px solid rgba(20,35,29,.28); border-radius: 1.2rem; background: rgba(255,255,255,.35); }
.security-limitations-grid h3 { font-size: clamp(1.8rem,3vw,2.6rem); letter-spacing: -.04em; }
.security-limitations-grid ul { margin: 2rem 0 0; padding-left: 1.2rem; line-height: 1.75; }
.security-limitations-grid li + li { margin-top: .65rem; }
.security-conclusion-section { background: var(--white); }
.security-evidence-box { display: grid; grid-template-columns: .7fr 1.3fr; gap: 2rem; margin-top: 3rem; padding: clamp(1.5rem,3vw,2.2rem); border-radius: 1.2rem; background: var(--lime); }
.security-evidence-box h3 { margin-bottom: 0; font-size: clamp(1.7rem,3vw,2.5rem); }
.security-evidence-links { display: flex; flex-wrap: wrap; align-content: center; gap: .7rem; }
.security-evidence-links a { padding: .75rem 1rem; border: 1px solid var(--ink); border-radius: 99px; color: var(--ink); font: 600 .7rem "DM Mono",monospace; text-decoration: none; }
.security-evidence-links a:hover, .security-evidence-links a:focus-visible { background: var(--forest); color: var(--white); }
.security-references-section { background: #e7efe8; }
.security-references { max-width: 1000px; margin: 0 0 0 auto; padding: 0; list-style: none; counter-reset: refs; border-top: 1px solid var(--line); }
.security-references li { counter-increment: refs; display: grid; grid-template-columns: 60px 1fr; gap: 1rem; padding: 1.2rem 0; border-bottom: 1px solid var(--line); color: #53615b; line-height: 1.65; }
.security-references li::before { content: counter(refs,decimal-leading-zero); color: var(--green); font: 500 .72rem "DM Mono",monospace; }
.security-references a { color: var(--green); font-weight: 800; }

.about-section { display: grid; grid-template-columns: .65fr 1.35fr; gap: 3rem; }
.about-label span { display: inline-block; padding: .5rem .8rem; border: 1px solid var(--ink); border-radius: 99px; font: 500 .72rem "DM Mono", monospace; text-transform: uppercase; }
.about-copy h2 { font-size: clamp(2.8rem, 5vw, 5.5rem); line-height: .98; letter-spacing: -.055em; }
.about-copy > p { max-width: 700px; font-size: 1.15rem; line-height: 1.7; }
.about-copy .note { margin-top: 2rem; padding: 1rem; border-left: 3px solid var(--green); background: rgba(255,255,255,.5); font-size: .9rem; }
.contact-section { background: var(--forest); color: var(--white); }
.contact-intro { display: grid; grid-template-columns: .7fr 1.3fr; column-gap: 3rem; margin-bottom: 4rem; }
.contact-intro .eyebrow { grid-column: 1; color: var(--lime); }
.contact-intro h2 { grid-column: 1; font-size: clamp(2.8rem,5vw,5.5rem); line-height: .98; letter-spacing: -.055em; }
.contact-intro > p:last-child { grid-column: 2; grid-row: 2; max-width: 560px; color: #b8c7c0; font-size: 1.1rem; line-height: 1.75; }
.contact-grid { display: grid; grid-template-columns: repeat(5,1fr); border-top: 1px solid rgba(255,255,255,.2); border-left: 1px solid rgba(255,255,255,.2); }
.contact-card { min-height: 290px; display: flex; flex-direction: column; padding: 1.5rem; border-right: 1px solid rgba(255,255,255,.2); border-bottom: 1px solid rgba(255,255,255,.2); color: var(--white); text-decoration: none; transition: background .25s ease, color .25s ease; }
.contact-card:hover, .contact-card:focus-visible { background: var(--lime); color: var(--ink); }
.contact-card.whatsapp { background: var(--green); }
.contact-card.whatsapp:hover, .contact-card.whatsapp:focus-visible { background: var(--lime); }
.contact-card span { color: var(--lime); font: 500 .72rem "DM Mono",monospace; text-transform: uppercase; }
.contact-card:hover span, .contact-card:focus-visible span { color: var(--green); }
.contact-card h3 { margin: 4rem 0 .7rem; font-size: 1.55rem; letter-spacing: -.03em; }
.contact-card p { color: #b8c7c0; line-height: 1.55; overflow-wrap: anywhere; }
.contact-card:hover p, .contact-card:focus-visible p { color: #425149; }
.contact-card strong { margin-top: auto; padding-top: 2rem; font: 500 .76rem "DM Mono",monospace; }
footer { display: flex; justify-content: space-between; gap: 2rem; padding: 2rem clamp(1.2rem, 7vw, 7rem); background: var(--forest); color: #b8c7c0; font: 400 .72rem "DM Mono", monospace; }
footer p { margin: 0; }

.detail-header { position: sticky; top: 0; z-index: 10; display: flex; align-items: center; justify-content: space-between; padding: 1rem clamp(1.2rem, 4vw, 4rem); background: rgba(244,241,232,.94); border-bottom: 1px solid var(--line); backdrop-filter: blur(16px); }
.back-link { text-decoration: none; font-weight: 800; }
.detail-nav { display: flex; align-items: center; justify-content: center; gap: 1.1rem; }
.detail-nav a { color: #53615b; font-size: .78rem; font-weight: 800; text-decoration: none; }
.detail-nav a:hover, .detail-nav a:focus-visible { color: var(--green); }
.detail-hero { min-height: 72vh; display: grid; grid-template-columns: 1.3fr .7fr; align-items: end; gap: 4rem; padding: 7rem clamp(1.2rem,7vw,7rem); background: radial-gradient(circle at 85% 15%,rgba(216,240,140,.55),transparent 30%),var(--paper); }
.detail-hero h1 { font-size: clamp(3.6rem,8vw,8rem); }
.detail-hero.compact-hero { min-height: 62vh; }
.detail-summary { max-width: 560px; padding: 1.6rem; border-radius: 1.2rem; background: var(--forest); color: var(--white); }
.detail-summary p { color: #bdc9c4; line-height: 1.7; }
.detail-summary dl { margin: 1.5rem 0 0; }
.detail-summary div { display: flex; justify-content: space-between; gap: 1rem; padding: .8rem 0; border-top: 1px solid rgba(255,255,255,.15); font-size: .82rem; }
.detail-summary dt { color: #aebdb6; }
.detail-summary dd { margin: 0; text-align: right; font-weight: 700; }
.topics-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 1rem; }
.topic-card { min-height: 230px; padding: 1.5rem; border: 1px solid var(--line); border-radius: 1rem; background: var(--white); }
.topic-card span { color: var(--green); font: 500 .72rem "DM Mono",monospace; }
.topic-card h3 { margin: 3rem 0 .8rem; font-size: 1.35rem; }
.topic-card p { color: #59645f; line-height: 1.6; }
.lesson-detail { padding: 2.5rem 0; border-top: 1px solid var(--line); }
.lesson-detail-head { display: grid; grid-template-columns: 120px 1fr; gap: 2rem; }
.lesson-detail h3 { font-size: clamp(1.6rem,3vw,2.4rem); }
.lesson-detail ul { max-width: 760px; margin: 1rem 0 0; padding-left: 1.2rem; color: #53615b; line-height: 1.8; }
.tasks-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 1rem; }
.task-card { padding: 1.6rem; border: 1px solid var(--ink); border-radius: 1rem; background: var(--paper); }
.task-card .task-type { color: var(--green); font: 500 .7rem "DM Mono",monospace; text-transform: uppercase; }
.task-card h3 { margin: 1.5rem 0 .8rem; }
.task-card p, .task-card li { color: #53615b; line-height: 1.65; }
.expandable-tasks .task-card.is-enhanced { min-height: 17rem; display: flex; flex-direction: column; align-items: stretch; gap: 1.1rem; }
.expandable-tasks .task-card-content { position: relative; max-height: 10.5rem; overflow: hidden; transition: max-height .35s ease; }
.expandable-tasks .task-card.is-collapsible:not(.is-expanded) .task-card-content::after { content: ""; position: absolute; right: 0; bottom: 0; left: 0; height: 5rem; background: linear-gradient(180deg, rgba(247,244,236,0), var(--paper) 88%); pointer-events: none; }
.expandable-tasks .deadline-card.is-collapsible:not(.is-expanded) .task-card-content::after { background: linear-gradient(180deg, rgba(220,239,163,0), var(--lime) 88%); }
.task-card-toggle { align-self: flex-start; margin-top: auto; padding: .7rem 1rem; border: 1px solid var(--forest); border-radius: 99px; background: transparent; color: var(--forest); font: 600 .74rem "DM Mono",monospace; cursor: pointer; }
.task-card-toggle:hover, .task-card-toggle:focus-visible { background: var(--forest); color: var(--white); }
.task-card-toggle[hidden] { display: none; }
.presentation-section { background: var(--white); }
.presentation-content { max-width: 1100px; margin-left: auto; }
.slides-carousel { margin-top: 1.5rem; outline: none; }
.slides-carousel:focus-visible { border-radius: .8rem; box-shadow: 0 0 0 3px var(--green); }
.carousel-viewport { overflow: hidden; border-radius: .8rem; background: var(--forest); aspect-ratio: 16 / 9; }
.carousel-slide { margin: 0; height: 100%; }
.carousel-slide[hidden] { display: none; }
.carousel-slide img { display: block; width: 100%; height: 100%; object-fit: contain; }
.carousel-slide figcaption { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.carousel-controls { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 1rem; margin-top: 1rem; }
.carousel-controls button { display: inline-flex; align-items: center; justify-content: center; width: 8rem; min-height: 44px; padding: .65rem .8rem; border: 1px solid var(--ink); border-radius: 99px; background: transparent; color: var(--ink); font: 700 .78rem "Manrope",sans-serif; white-space: nowrap; cursor: pointer; }
.carousel-controls button:first-child { justify-self: start; }
.carousel-controls button:last-child { justify-self: end; }
.carousel-controls button:hover, .carousel-controls button:focus-visible { background: var(--forest); color: var(--white); }
.carousel-status { margin: 0; color: var(--green) !important; font: 500 .74rem "DM Mono",monospace; white-space: nowrap; }
.carousel-dots { display: flex; flex-wrap: wrap; justify-content: center; gap: .45rem; margin-top: 1rem; }
.carousel-dots button { width: .65rem; height: .65rem; padding: 0; border: 0; border-radius: 50%; background: #aebdb6; cursor: pointer; }
.carousel-dots button[aria-current="true"] { background: var(--green); box-shadow: 0 0 0 .2rem rgba(30,107,79,.18); }
.completed-task { border-color: var(--green); background: var(--white); }
.task-group { font-size: .88rem; }
.deadline-card { background: var(--lime); }
.deadline { display: inline-block; margin-top: 1rem; padding: .5rem .8rem; border-radius: 99px; background: var(--forest); color: var(--white); font: 500 .74rem "DM Mono",monospace; }
.download-link { display: inline-block; margin-top: .8rem; padding: .7rem 1rem; border-radius: 99px; background: var(--forest); color: var(--white); text-decoration: none; font: 500 .74rem "DM Mono",monospace; }
.download-link:hover, .download-link:focus-visible { background: var(--green); }
.integration-section { background: var(--white); }
.integration-layout { display: grid; grid-template-columns: repeat(2,1fr); gap: 1rem; }
.integration-panel { padding: clamp(1.4rem,3vw,2rem); border: 1px solid var(--line); border-radius: 1rem; background: var(--paper); }
.integration-panel h3 { margin: 1.4rem 0 .8rem; font-size: clamp(1.5rem,3vw,2rem); letter-spacing: -.03em; }
.integration-panel p { color: #53615b; line-height: 1.75; }
.flow-list { display: flex; flex-wrap: wrap; gap: .5rem; margin-top: 1.4rem; }
.flow-list span { padding: .45rem .7rem; border: 1px solid var(--line); border-radius: 99px; background: var(--white); color: var(--green); font: 500 .72rem "DM Mono",monospace; }
.metric-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 1rem; margin-top: 1rem; }
.metric-grid article { min-height: 150px; padding: 1.4rem; border: 1px solid var(--ink); border-radius: 1rem; background: var(--forest); color: var(--white); }
.metric-grid span { color: var(--mint); font: 500 .72rem "DM Mono",monospace; text-transform: uppercase; }
.metric-grid strong { display: block; margin-top: 2rem; color: var(--lime); font-size: 2.7rem; line-height: 1; }
.integration-downloads { display: flex; flex-wrap: wrap; gap: .7rem; margin-top: 1.4rem; }
.security-case-section { background: #e7efe8; }
.security-context { display: grid; grid-template-columns: .85fr 1.15fr; gap: 3rem; padding: clamp(1.6rem,4vw,3rem); border-radius: 1.2rem; background: var(--forest); color: var(--white); }
.security-context span { color: var(--lime); font: 500 .72rem "DM Mono",monospace; text-transform: uppercase; }
.security-context h3 { margin: 1.3rem 0 0; font-size: clamp(2rem,4vw,3.5rem); line-height: 1.05; letter-spacing: -.05em; }
.security-context > p { align-self: end; margin: 0; color: #c2cec9; font-size: 1.05rem; line-height: 1.8; }
.security-subheading { margin: 5rem 0 2rem; }
.security-subheading h3 { max-width: 850px; font-size: clamp(2rem,4vw,3.6rem); line-height: 1.05; letter-spacing: -.045em; }
.security-risk-grid { display: grid; grid-template-columns: repeat(3,1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.security-risk-card { min-height: 270px; padding: 1.5rem; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); background: var(--paper); }
.security-risk-card > span { color: #9a3e2f; font: 500 .72rem "DM Mono",monospace; }
.security-risk-card h4 { margin: 4rem 0 .7rem; font-size: 1.4rem; }
.security-risk-card p { margin: 0; color: #59645f; line-height: 1.65; }
.security-improvement-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 1rem; }
.security-improvement-grid article { min-height: 210px; padding: 1.5rem; border: 1px solid var(--line); border-radius: 1rem; background: var(--white); }
.security-improvement-grid strong { display: block; color: var(--green); font-size: 1.25rem; }
.security-improvement-grid p { margin: 2.5rem 0 0; color: #59645f; line-height: 1.65; }
.security-tech { display: grid; grid-template-columns: .7fr 1.3fr; gap: 3rem; margin-top: 1rem; padding: clamp(1.5rem,3vw,2.4rem); border-radius: 1.2rem; background: var(--lime); }
.security-tech h3 { margin-bottom: 0; font-size: clamp(1.8rem,3vw,2.8rem); letter-spacing: -.04em; }
.security-tech ul { display: flex; flex-wrap: wrap; align-content: flex-start; gap: .65rem; margin: 0; padding: 0; list-style: none; }
.security-tech li { padding: .6rem .85rem; border: 1px solid var(--forest); border-radius: 99px; background: var(--paper); font: 600 .72rem "DM Mono",monospace; }
.auth-flow { display: grid; grid-template-columns: repeat(3,1fr); gap: 1rem; margin: 0; padding: 0; list-style: none; counter-reset: none; }
.auth-flow li { min-height: 230px; padding: 1.4rem; border-top: 5px solid var(--green); border-radius: .8rem; background: var(--white); }
.auth-flow li > span { color: var(--green); font: 500 .74rem "DM Mono",monospace; }
.auth-flow h4 { margin: 3rem 0 .7rem; font-size: 1.35rem; }
.auth-flow p { margin: 0; color: #59645f; line-height: 1.65; }
.security-tests { display: grid; grid-template-columns: .8fr 1.2fr; gap: 3rem; margin-top: 5rem; padding: clamp(1.6rem,4vw,3rem); border-radius: 1.2rem; background: var(--forest); color: var(--white); }
.security-tests .eyebrow { color: var(--lime); }
.security-tests h3 { font-size: clamp(2rem,4vw,3.4rem); line-height: 1.05; letter-spacing: -.045em; }
.security-tests > div > p:last-child { color: #b8c7c0; line-height: 1.7; }
.security-tests ul { margin: 0; padding: 0; list-style: none; border-top: 1px solid rgba(255,255,255,.2); }
.security-tests li { display: grid; grid-template-columns: 32px 1fr; gap: .7rem; padding: 1rem 0; border-bottom: 1px solid rgba(255,255,255,.2); line-height: 1.55; }
.security-tests li span { color: var(--lime); font-weight: 800; }
.security-comparison { display: grid; grid-template-columns: repeat(2,1fr); border: 1px solid var(--line); border-radius: 1.2rem; overflow: hidden; }
.security-comparison > div { padding: clamp(1.5rem,3vw,2.5rem); }
.security-comparison > div > span { display: inline-block; padding: .45rem .75rem; border-radius: 99px; font: 600 .7rem "DM Mono",monospace; text-transform: uppercase; }
.security-comparison ul { margin: 2rem 0 0; padding-left: 1.2rem; line-height: 1.8; }
.security-before { background: #fff2de; }
.security-before > span { background: #e7ae6d; color: #4c2e0e; }
.security-before ul { color: #654d34; }
.security-after { background: var(--white); }
.security-after > span { background: var(--mint); color: var(--ink); }
.security-after ul { color: #53615b; }
.security-learning { margin-top: 1rem; padding: clamp(1.8rem,4vw,3.2rem); border-left: 6px solid var(--green); background: var(--white); }
.security-learning h3 { max-width: 850px; font-size: clamp(2rem,4vw,3.5rem); line-height: 1.06; letter-spacing: -.045em; }
.security-learning p:last-child { max-width: 900px; margin-bottom: 0; color: #53615b; font-size: 1.05rem; line-height: 1.8; }
.activity-document-section { background: var(--white); }
.portfolio-activity { max-width: 980px; margin-left: auto; }
.activity-text p, .prompt-record > p:last-child, .activity-personal-comment > p:last-child { max-width: 850px; line-height: 1.85; }
.word-count { display: inline-block; margin-top: .4rem; color: var(--green); font: 500 .72rem "DM Mono",monospace; text-transform: uppercase; }
.prompt-record, .activity-personal-comment { margin-top: 2.5rem; padding-top: 2rem; border-top: 1px solid var(--line); }
.portfolio-activity > .download-link { margin-top: 2rem; }
.answers-list { display: grid; grid-template-columns: repeat(3,1fr); gap: .7rem; margin: 0; padding: 0; list-style: none; }
.answers-list li { display: flex; align-items: center; justify-content: space-between; padding: 1rem; border: 1px solid var(--line); border-radius: .8rem; background: var(--white); }
.answers-list span { color: var(--green); font: 500 .72rem "DM Mono",monospace; }
.answers-list strong { font-size: 1.25rem; }
.written-answers { display: grid; gap: 1rem; }
.answer-card { display: grid; grid-template-columns: 70px 1fr; gap: 1.2rem; padding: 1.5rem; border-top: 1px solid var(--line); }
.answer-number { color: var(--green); font: 500 1rem "DM Mono",monospace; }
.answer-card h3 { margin-bottom: .6rem; font-size: 1.2rem; }
.answer-card p { max-width: 820px; margin-bottom: 0; color: #53615b; line-height: 1.75; }
.exercise-list { display: grid; gap: 1rem; }
.exercise-card { display: grid; grid-template-columns: 54px 1fr; gap: 1.2rem; padding: clamp(1.2rem,3vw,2rem); border: 1px solid var(--line); border-radius: 1rem; background: var(--white); }
.exercise-card h3 { max-width: 900px; margin-bottom: 1rem; font-size: 1.15rem; line-height: 1.5; }
.exercise-card p { max-width: 900px; color: #53615b; line-height: 1.75; }
.options { margin: 0; padding-left: 1.4rem; color: #53615b; line-height: 1.65; }
.options li { padding: .2rem .4rem; }
.options .selected { border-radius: .4rem; background: rgba(184,242,213,.65); color: var(--ink); font-weight: 700; }
.answer-result { display: inline-block; margin: 1rem 0 0 !important; padding: .4rem .7rem; border-radius: 99px; background: var(--forest); color: var(--white) !important; font: 500 .72rem "DM Mono",monospace; text-transform: uppercase; }
.lesson-reflection { max-width: 780px; margin-top: 1.3rem; padding: 1rem; border-left: 3px solid var(--green); background: rgba(184,242,213,.28); color: var(--ink); line-height: 1.7; }
.pattern-list { display: grid; grid-template-columns: repeat(2,1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.pattern-card { min-height: 220px; display: grid; grid-template-columns: 54px 1fr; gap: 1rem; padding: 1.6rem; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); background: rgba(255,255,255,.35); }
.pattern-card > span { color: var(--green); font: 500 .76rem "DM Mono",monospace; }
.pattern-card h3 { margin-bottom: .7rem; font-size: 1.35rem; }
.pattern-card p { color: #53615b; line-height: 1.65; }

.reveal { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } .reveal { opacity: 1; transform: none; transition: none; } .task-card-content { transition: none; } }
@media (max-width: 900px) {
  .menu-button { display: block; }
  .nav { position: absolute; top: 100%; left: 0; right: 0; display: none; flex-direction: column; padding: 1.2rem; background: var(--paper); border-bottom: 1px solid var(--line); }
  .nav.open { display: flex; }
  .hero, .section-heading, .pi-intro, .about-section, .contact-intro, .pi-project-hero, .pi-team-placeholder, .pi-guidance-downloads, .security-report-hero, .security-report-intro, .security-warning, .security-test-result, .security-evidence-box, .security-tech-stack { grid-template-columns: 1fr; }
  .detail-hero { grid-template-columns: 1fr; }
  .detail-header { flex-wrap: wrap; }
  .detail-nav { order: 3; width: 100%; justify-content: flex-start; overflow-x: auto; padding-top: .8rem; border-top: 1px solid var(--line); scrollbar-width: thin; }
  .detail-nav a { flex: 0 0 auto; }
  .section-heading > p:last-child { grid-column: 1; grid-row: auto; }
  .contact-intro > p:last-child { grid-column: 1; grid-row: auto; }
  .status-card, .profile-card { max-width: 480px; transform: none; }
  .pi-grid { grid-template-columns: 1fr 1fr; }
  .topics-grid { grid-template-columns: repeat(2,1fr); }
  .metric-grid { grid-template-columns: repeat(2,1fr); }
  .previous-semesters-grid { grid-template-columns: repeat(2,1fr); }
  .contact-grid { grid-template-columns: repeat(2,1fr); }
  .pi-flow { grid-template-columns: repeat(4,1fr); }
  .pi-flow-arrow { display: none; }
  .pi-discipline-map { grid-template-columns: repeat(2,1fr); }
  .pi-discipline-map article, .pi-discipline-map article:nth-child(4), .pi-discipline-map article:nth-child(5) { grid-column: span 1; }
  .pi-status-columns, .pi-semester-timeline, .pi-evidence-grid { grid-template-columns: 1fr; }
  .pi-status-card { min-height: auto; }
  .pi-persona-layout, .pi-architecture-layout { grid-template-columns: 1fr; }
  .pi-technical-flow ol { grid-template-columns: repeat(2,1fr); }
  .pi-results-grid { grid-template-columns: repeat(2,1fr); }
  .pi-team-grid { grid-template-columns: repeat(2,1fr); }
  .pi-security-overview-grid { grid-template-columns: repeat(2,1fr); }
  .pi-security-overview-action { align-items: stretch; flex-direction: column; }
  .security-context, .security-tech, .security-tests { grid-template-columns: 1fr; }
  .security-risk-grid, .security-improvement-grid, .auth-flow { grid-template-columns: repeat(2,1fr); }
  .security-report-kicker { position: static; }
  .security-concepts-grid { grid-template-columns: repeat(2,1fr); }
  .security-concepts-grid article, .security-concepts-grid article:nth-child(7) { grid-column: span 1; }
  .security-code-article { grid-template-columns: 1fr; }
  .security-decision-flow { grid-template-columns: repeat(2,1fr); }
  .security-test-result dl { grid-template-columns: repeat(2,1fr); }
}
@media (max-width: 600px) {
  .section { padding-block: 5rem; }
  .hero { gap: 2.5rem; }
  h1 { font-size: clamp(2.8rem, 14vw, 4.6rem); overflow-wrap: anywhere; }
  .detail-hero h1 { font-size: clamp(2.65rem, 12vw, 3.5rem); overflow-wrap: normal; }
  .detail-header { gap: .8rem; }
  .detail-header .brand span:last-child { display: none; }
  .back-link { font-size: .84rem; }
  .hero-actions, footer { flex-direction: column; }
  .button { text-align: center; }
  .lesson { grid-template-columns: 70px 1fr; gap: 1rem; }
  .activity-card { grid-template-columns: 1fr; box-shadow: 6px 6px 0 var(--forest); }
  .disciplines-grid { grid-template-columns: 1fr; }
  .activity-meta { padding: 1.3rem 0 0; border-left: 0; border-top: 1px solid var(--line); }
  .pi-grid { grid-template-columns: 1fr; }
  .pi-home-action { align-items: stretch; flex-direction: column; }
  .pi-project-hero { min-height: auto; padding-block: 5rem; }
  .pi-problem-grid, .pi-flow, .pi-audience-grid, .pi-discipline-map, .pi-deliverables-grid { grid-template-columns: 1fr; }
  .pi-team-placeholder { box-shadow: 6px 6px 0 var(--forest); }
  .pi-roadmap li { grid-template-columns: 48px 1fr; gap: 1rem; }
  .pi-evidence-card { min-height: auto; }
  .pi-evidence-card > div:first-child { align-items: flex-start; flex-direction: column; }
  .pi-persona-card { grid-template-columns: 1fr; }
  .pi-persona-image { width: 100%; height: min(72vw,320px); object-position: center 24%; }
  .pi-technical-flow ol, .pi-results-grid, .pi-limitations-list, .pi-team-grid { grid-template-columns: 1fr; }
  .pi-nosql-note { grid-template-columns: 1fr; gap: 1rem; }
  .pi-final-links { align-items: stretch; flex-direction: column; }
  .pi-final-links .hero-actions { align-items: stretch; }
  .pi-security-overview-grid { grid-template-columns: 1fr; }
  .pi-security-overview-grid article { min-height: auto; }
  .pi-security-overview-grid h3 { margin-top: 2.5rem; }
  .pi-security-overview-action .hero-actions { align-items: stretch; flex-direction: column; }
  .topics-grid, .tasks-grid, .integration-layout { grid-template-columns: 1fr; }
  .security-risk-grid, .security-improvement-grid, .auth-flow, .security-comparison { grid-template-columns: 1fr; }
  .security-before-after, .security-concepts-grid, .security-decision-flow, .security-test-code-grid, .security-limitations-grid { grid-template-columns: 1fr; }
  .security-concepts-grid article, .security-concepts-grid article:nth-child(7) { min-height: auto; }
  .security-concepts-grid h3 { margin-top: 2rem; }
  .security-test-result dl { grid-template-columns: repeat(2,1fr); }
  .security-test-result dl div { border-top: 1px solid rgba(255,255,255,.15); }
  .security-code-article pre, .security-test-code-grid pre { font-size: .68rem; }
  .security-references li { grid-template-columns: 40px 1fr; }
  .security-risk-card, .security-improvement-grid article, .auth-flow li { min-height: auto; }
  .security-risk-card h4, .security-improvement-grid p, .auth-flow h4 { margin-top: 1.8rem; }
  .metric-grid { grid-template-columns: 1fr; }
  .previous-semesters-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .contact-card { min-height: 230px; }
  .pattern-list { grid-template-columns: 1fr; }
  .answers-list { grid-template-columns: repeat(2,1fr); }
  .lesson-detail-head { grid-template-columns: 70px 1fr; gap: 1rem; }
  .exercise-card { grid-template-columns: 1fr; }
  .carousel-controls { gap: .5rem; }
  .carousel-controls button { width: 6.5rem; padding-inline: .5rem; font-size: .72rem; }
  .pi-card { min-height: auto; }
  .pi-card h3 { margin-top: 2.5rem; }
}