/* Portfolio expansion and AI Consulting */
.project-product { background: linear-gradient(180deg, rgba(143,31,31,.035), transparent 68%); }
.assist-visual { margin: 10px 0 48px; background: #111; color: var(--paper); padding: 22px; min-height: 330px; display: flex; align-items: stretch; }
.assist-console { width: 100%; border: 1px solid #393733; display: flex; flex-direction: column; }
.assist-head { display: flex; justify-content: space-between; gap: 16px; padding: 12px 14px; border-bottom: 1px solid #393733; font: 9px var(--mono); letter-spacing: .08em; color: #96928b; }
.assist-body { flex: 1; display: grid; grid-template-columns: 1fr 64px 1.2fr 64px 1fr; align-items: center; gap: 0; padding: 48px 5%; }
.assist-device, .assist-core { border: 1px solid #4b4842; padding: 24px 20px; min-height: 130px; display: flex; flex-direction: column; justify-content: center; position: relative; z-index: 2; background: #111; }
.assist-core { border-color: var(--accent); background: #171313; }
.assist-device small, .assist-core small { color: #817d76; font: 9px var(--mono); letter-spacing: .08em; margin-bottom: 9px; }
.assist-device strong, .assist-core strong { font-size: 18px; }
.assist-device span, .assist-core span { margin-top: 8px; color: #9f9b94; font: 10px var(--mono); }
.assist-flow { position: relative; height: 1px; background: #66625c; color: transparent; font-size: 0; }
.assist-flow::after { content: ""; position: absolute; right: 0; top: 50%; width: 7px; height: 7px; border-top: 1px solid #8a857d; border-right: 1px solid #8a857d; transform: translateY(-50%) rotate(45deg); }

.project-pair { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--ink); border: 1px solid var(--ink); margin: 18px 0 0; }
.project-card { background: var(--paper); padding: 34px; min-height: 460px; display: flex; flex-direction: column; }
.project-card-top { display: flex; justify-content: space-between; gap: 16px; padding-bottom: 18px; border-bottom: 1px solid var(--line); margin-bottom: 42px; color: var(--muted); font: 9px var(--mono); text-transform: uppercase; letter-spacing: .08em; }
.project-card h3 { font-size: clamp(34px, 4vw, 54px); margin-bottom: 24px; }
.project-card > p:not(.project-kicker) { margin: 0; color: #4d4a45; max-width: 620px; }
.tech-list { list-style: none; display: flex; flex-wrap: wrap; gap: 8px 16px; padding: 0; margin: auto 0 0; padding-top: 34px; border-top: 1px solid var(--line); font: 9px var(--mono); text-transform: uppercase; letter-spacing: .06em; color: var(--muted); }

.engineering-band { margin-top: 1px; background: var(--ink); color: var(--paper); padding: 42px; display: grid; grid-template-columns: 170px 1fr; gap: 36px 60px; }
.engineering-band .mini-label { margin: 0; font-size: 9px; color: #9d9a93; }
.engineering-band > p:last-of-type { margin: 0; font-size: clamp(20px, 2.2vw, 30px); line-height: 1.4; max-width: 900px; }
.engineering-tools { grid-column: 2; display: flex; flex-wrap: wrap; gap: 8px 18px; padding-top: 18px; border-top: 1px solid var(--line-dark); color: #a6a29a; font: 9px var(--mono); text-transform: uppercase; letter-spacing: .07em; }

.ai-spotlight { background: var(--ink); color: var(--paper); padding: 108px 0; }
.ai-spotlight-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 100px; align-items: end; }
.ai-spotlight h2 { margin: 18px 0 0; font-size: clamp(48px, 6vw, 88px); line-height: .96; letter-spacing: -.055em; font-weight: 590; max-width: 850px; }
.ai-spotlight .section-index { color: #96928b; }
.ai-spotlight-copy > p { margin: 0 0 34px; color: #cbc6bc; font-size: 19px; line-height: 1.6; }
.ai-mini-list { display: grid; grid-template-columns: 1fr 1fr; border-top: 1px solid var(--line-dark); margin-bottom: 34px; }
.ai-mini-list span { padding: 14px 0; border-bottom: 1px solid var(--line-dark); font: 10px var(--mono); text-transform: uppercase; letter-spacing: .06em; color: #aaa69f; }
.ai-mini-list span:nth-child(even) { padding-left: 18px; border-left: 1px solid var(--line-dark); }
.service-link { display: inline-block; margin-top: 13px; font-size: 13px; text-underline-offset: 4px; }

/* Diagram polish */
.architecture-map { gap: 0; }
.architecture-map > .arch-node { position: relative; z-index: 2; }
.architecture-map > .arch-node + .arch-row { margin-top: 0; }
.arch-row:not(.arch-row-bottom) { padding-top: 42px; }
.arch-row:not(.arch-row-bottom)::before { top: 20px; left: 16.666%; right: 16.666%; }
.arch-row:not(.arch-row-bottom)::after { content: ""; position: absolute; top: 0; left: 50%; width: 1px; height: 20px; background: #595752; transform: translateX(-.5px); }
.arch-row:not(.arch-row-bottom) .arch-node { position: relative; z-index: 2; }
.arch-row:not(.arch-row-bottom) .arch-node::before { content: ""; position: absolute; left: 50%; top: -22px; width: 1px; height: 21px; background: #595752; }
.arch-row-bottom { position: relative; padding-top: 26px; }
.arch-row-bottom::before { display: block; content: ""; position: absolute; left: 25%; right: 25%; top: 0; height: 1px; background: #595752; }
.arch-row-bottom .arch-node { position: relative; z-index: 2; }
.arch-row-bottom .arch-node::before { content: ""; position: absolute; left: 50%; top: -27px; width: 1px; height: 26px; background: #595752; }

/* Keep the main case study fast to scan. Detailed explanations can live on a later case-study page. */
.capability-rail > div { grid-template-columns: 54px 1fr; padding: 15px 0; }
.capability-rail p { display: none; }

/* AI Consulting page */
.consulting-page { background: var(--paper); }
.consulting-hero { min-height: 78vh; padding: 110px 0 90px; display: flex; align-items: center; border-bottom: 1px solid var(--line); }
.consulting-hero-grid { display: grid; grid-template-columns: 1.2fr .8fr; gap: 100px; align-items: end; }
.consulting-hero h1 { margin: 0; font-size: clamp(62px, 8vw, 126px); line-height: .88; letter-spacing: -.07em; font-weight: 620; }
.consulting-hero h1 em { font-family: Georgia, 'Times New Roman', serif; font-weight: 400; }
.consulting-intro { border-top: 1px solid var(--ink); padding-top: 20px; }
.consulting-intro p { margin: 0 0 28px; font-size: 20px; line-height: 1.6; color: #3f3d39; }
.consulting-proof { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--ink); border-bottom: 1px solid var(--ink); }
.consulting-proof div { padding: 26px 22px 26px 0; }
.consulting-proof div + div { border-left: 1px solid var(--line); padding-left: 22px; }
.consulting-proof strong { display: block; font-size: 19px; margin-bottom: 8px; }
.consulting-proof span { color: var(--muted); font-size: 13px; }
.consulting-section { padding: 110px 0; }
.consulting-section.alt { background: var(--paper-2); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.consulting-section-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 100px; }
.consulting-section h2 { margin: 18px 0 0; font-size: clamp(44px, 5vw, 74px); line-height: .98; letter-spacing: -.05em; font-weight: 590; }
.consulting-offers { border-top: 1px solid var(--ink); }
.consulting-offer { display: grid; grid-template-columns: 54px 1fr; gap: 18px; padding: 28px 0; border-bottom: 1px solid var(--line); }
.consulting-offer > span { font: 10px var(--mono); color: var(--muted); padding-top: 5px; }
.consulting-offer h3 { margin: 0 0 9px; font-size: 26px; letter-spacing: -.03em; }
.consulting-offer p { margin: 0; color: #54514b; }
.process-rail { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--ink); }
.process-step { padding: 28px 24px 28px 0; border-bottom: 1px solid var(--line); }
.process-step + .process-step { border-left: 1px solid var(--line); padding-left: 24px; }
.process-step span { display: block; font: 10px var(--mono); color: var(--accent); margin-bottom: 44px; }
.process-step h3 { margin: 0 0 12px; font-size: 24px; }
.process-step p { margin: 0; color: #54514b; font-size: 14px; }
.consulting-fit { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--ink); border: 1px solid var(--ink); }
.consulting-fit article { background: var(--paper); padding: 34px; }
.consulting-fit h3 { margin: 0 0 22px; font-size: 30px; letter-spacing: -.04em; }
.consulting-fit ul { list-style: none; padding: 0; margin: 0; }
.consulting-fit li { padding: 12px 0; border-top: 1px solid var(--line); color: #4d4a45; }
.consulting-form-section { background: var(--accent); color: var(--paper); padding: 110px 0; }
.consulting-form-grid { display: grid; grid-template-columns: .85fr 1.15fr; gap: 100px; }
.consulting-form-section h2 { margin: 18px 0 20px; font-size: clamp(48px, 6vw, 84px); line-height: .95; letter-spacing: -.055em; font-weight: 590; }
.consulting-form-section .section-index { color: #e0bbb7; }
.consulting-form-section .contact-intro > p:last-child { color: #f1d9d6; }
.consulting-form-section select { width: 100%; min-height: 50px; background: transparent; color: var(--paper); border: 0; border-bottom: 1px solid rgba(243,240,233,.5); border-radius: 0; padding: 12px 0; }
.consulting-form-section select option { color: #111; }
.consulting-form-section .contact-form { align-self: start; }
.back-home { font-size: 13px; text-underline-offset: 4px; }

@media (max-width: 900px) {
  .assist-body { grid-template-columns: 1fr; gap: 12px; padding: 28px; }
  .assist-flow { width: 1px; height: 30px; justify-self: center; background: #66625c; }
  .assist-flow::after { right: 50%; top: auto; bottom: 0; transform: translateX(50%) rotate(135deg); }
  .project-pair, .ai-spotlight-grid, .consulting-hero-grid, .consulting-section-grid, .consulting-form-grid { grid-template-columns: 1fr; gap: 48px; }
  .engineering-band { grid-template-columns: 1fr; }
  .engineering-tools { grid-column: 1; }
  .consulting-proof, .process-rail { grid-template-columns: 1fr 1fr; }
  .consulting-proof div:nth-child(3), .process-step:nth-child(3) { border-left: 0; }
  .arch-row:not(.arch-row-bottom) { grid-template-columns: 1fr; gap: 12px; padding-top: 24px; }
  .arch-row:not(.arch-row-bottom)::before, .arch-row:not(.arch-row-bottom)::after, .arch-row:not(.arch-row-bottom) .arch-node::before, .arch-row-bottom::before, .arch-row-bottom .arch-node::before { display: none; }
  .arch-row-bottom { grid-template-columns: 1fr 1fr; width: 100%; padding-top: 0; }
}

@media (max-width: 620px) {
  .project-card { padding: 24px; min-height: 390px; }
  .engineering-band { padding: 28px 22px; }
  .ai-mini-list, .consulting-proof, .process-rail, .consulting-fit { grid-template-columns: 1fr; }
  .ai-mini-list span:nth-child(even), .consulting-proof div + div, .process-step + .process-step { border-left: 0; padding-left: 0; }
  .consulting-hero { padding-top: 72px; }
  .arch-row-bottom { grid-template-columns: 1fr; gap: 12px; }
}