:root {
    --green-deep: #142933;
    --green-card: #1d3743;
    --cream: #eef4f7;
    --cream-card: #dde8ee;
    --sand: #e2ecf2;
    --card-on-sand: #f3f8fb;
    --terracotta: #36b7f6;
    --ink: #0f2530;
    --ink-soft: #46626f;
    --cream-soft: rgba(238, 244, 247, 0.72);
    --font-body: 'Manrope', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-display: 'Manrope', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: ui-monospace, 'SF Mono', SFMono-Regular, Menlo, Consolas, monospace;
    --radius: 14px;
    --fs-micro: 0.80rem;
    --fs-sm: 0.90rem;
    --fs-base: 1.00rem;
    --fs-md: 1.12rem;
    --fs-lg: 1.28rem;
    --fs-xl: 1.60rem;
    --cta: #37505f;
    --cta-ink: #ffffff;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: var(--font-body); background: var(--green-deep); color: var(--cream); line-height: 1.6; -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
h1, h2 { font-family: var(--font-display); font-weight: 700; line-height: 1.15; letter-spacing: -0.01em; }
.container { max-width: 1280px; margin: 0 auto; padding: 0 40px; }
section[id] { scroll-margin-top: 90px; }

/* Navbar */
.navbar { position: fixed; top: 0; left: 0; right: 0; z-index: 1000; background: rgba(20, 41, 51, 0.82); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); border-bottom: 1px solid rgba(238, 244, 247, 0.1); }
.nav-container { max-width: 1280px; margin: 0 auto; padding: 0 40px; display: flex; align-items: center; justify-content: space-between; height: 78px; }
.wordmark { font-weight: 700; font-size: 1.12rem; letter-spacing: 0.28em; color: var(--cream); }
.wordmark em { font-style: normal; color: var(--terracotta); }
.nav-links { display: flex; align-items: center; gap: 30px; }
.nav-links a { font-size: 1rem; font-weight: 500; color: var(--cream-soft); transition: color 150ms ease; }
.nav-links a:hover { color: var(--cream); }
.nav-cta { display: inline-flex; align-items: center; padding: 11px 24px; border-radius: 9999px; font-size: 1rem; font-weight: 600; background: var(--cream); color: var(--green-deep); transition: all 250ms ease; }
.nav-cta:hover { transform: translateY(-2px); box-shadow: 0 10px 30px rgba(238, 244, 247, 0.18); }

/* Hero */
.hero { min-height: 100vh; display: flex; align-items: center; position: relative; overflow: hidden; padding-top: 72px; }
#dither { position: absolute; inset: 0; width: 100%; height: 100%; z-index: 1; pointer-events: none; opacity: 0.38; mix-blend-mode: screen; }
.hero-container { max-width: 1280px; margin: 0 auto; padding: 72px 40px; position: relative; z-index: 1; width: 100%; }
.hero-kicker { display: inline-flex; align-items: center; gap: 10px; font-size: 1rem; font-weight: 700; letter-spacing: 0.2em; text-transform: uppercase; color: var(--terracotta); margin-bottom: 22px; }
.hero-kicker::before { content: ''; width: 7px; height: 7px; border-radius: 50%; background: var(--terracotta); }
.hero-title { font-size: clamp(2.8rem, 7vw, 5rem); max-width: 19ch; margin-bottom: 32px; }
.hero-subtitle { font-size: 1.28rem; color: var(--cream-soft); max-width: 740px; line-height: 1.7; margin-bottom: 44px; }
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-audience { margin-top: 32px; padding-top: 18px; border-top: 1px solid rgba(238, 244, 247, 0.16); font-size: 1.12rem; font-weight: 500; line-height: 1.75; color: rgba(238, 244, 247, 1); max-width: 940px; text-shadow: 0 1px 12px rgba(20,41,51,0.55); }
.btn { display: inline-flex; align-items: center; justify-content: center; padding: 14px 32px; border-radius: 9999px; font-weight: 600; font-size: 1rem; transition: all 200ms ease; }
.btn-primary { background: var(--cta); color: var(--cta-ink); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 14px 34px rgba(54, 183, 246, 0.35); }
.btn-secondary { background: transparent; color: var(--cream); border: 1px solid rgba(238, 244, 247, 0.3); }
.btn-secondary:hover { border-color: var(--cream); background: rgba(238, 244, 247, 0.06); }
@keyframes fadeInUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }
.hero-kicker, .hero-title, .hero-subtitle, .hero-cta, .hero-audience { opacity: 0; animation: fadeInUp 0.7s ease forwards; }
.hero-audience { animation-delay: 0.45s; }
.hero-subtitle { animation-delay: 0.15s; }
.hero-cta { animation-delay: 0.3s; }

/* Section scaffolding */
.section { padding: 84px 0; }
.section-tag { display: inline-flex; align-items: center; gap: 10px; font-size: 0.9rem; font-weight: 700; letter-spacing: 0.26em; text-transform: uppercase; color: var(--terracotta); margin-bottom: 22px; }
.section-tag::before { content: ''; width: 8px; height: 8px; border-radius: 50%; background: var(--terracotta); }
.section-title { font-size: clamp(2.1rem, 4.2vw, 3rem); margin-bottom: 14px; max-width: 24ch; }
.section-sub { font-size: 1.12rem; max-width: 640px; line-height: 1.7; }

/* Cream sections */
.cream-section { background: var(--cream); color: var(--ink); }
.cream-section .section-sub { color: var(--ink-soft); }

/* Provider catalog */
.catalog-access { display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: center; gap: 32px; padding: 42px; border-radius: var(--radius); background: var(--cream-card); color: var(--ink); }
.catalog-access h2 { color: var(--ink); margin-bottom: 12px; }
.catalog-access p { color: var(--ink-soft); font-size: 0.9rem; }
.catalog-access-actions { display: flex; align-items: center; justify-content: flex-end; gap: 10px; flex-wrap: wrap; }
.btn-outline { background: transparent; color: var(--ink); border: 1px solid rgba(15, 37, 48, 0.28); }
.btn-outline:hover { border-color: var(--ink); background: rgba(15, 37, 48, 0.05); }

/* What we do: cream section, deck-style cards */
.engine-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 20px; margin-top: 56px; }
.engine-card { background: var(--cream-card); border-radius: var(--radius); padding: 40px 32px; transition: transform 250ms ease, box-shadow 250ms ease; }
.engine-card:hover { transform: translateY(-4px); box-shadow: 0 18px 40px rgba(15, 37, 48, 0.12); }
.engine-num { font-family: var(--font-body); font-size: 0.9rem; font-weight: 700; line-height: 1.4; letter-spacing: 0.08em; color: var(--terracotta); margin-bottom: 20px; }
.engine-card h3 { font-family: var(--font-body); font-weight: 700; font-size: 1.28rem; margin-bottom: 12px; color: var(--ink); }
.engine-card p { font-size: 1rem; color: var(--ink-soft); line-height: 1.65; }
.engine-card.inverted { background: var(--green-deep); }
.engine-card.inverted h3 { color: var(--cream); }
.engine-card.inverted p { color: var(--cream-soft); }

/* Launch use cases */
.use-case-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; margin-top: 42px; }
.use-case-grid.three-up .use-case-card {
    min-height: 0; padding: 38px 34px 30px; display: flex; flex-direction: column;
    border: 1px solid rgba(15, 37, 48, 0.07);
    transition: transform 220ms ease, box-shadow 220ms ease;
}
.use-case-grid.three-up .use-case-card:hover { transform: translateY(-3px); box-shadow: 0 20px 44px rgba(15, 37, 48, 0.10); }
.use-case-grid.three-up .use-case-label, .use-case-grid.three-up .use-case-card h3, .use-case-grid.three-up .use-case-card > p { min-height: 0; }

.use-case-grid.three-up .use-case-label { font-size: 0.8rem; letter-spacing: 0.16em; font-weight: 700; margin-bottom: 10px; line-height: 1.4; }
.use-case-grid.three-up .use-case-card h3 { font-size: 1.28rem; line-height: 1.25; margin: 0 0 10px; letter-spacing: -0.01em; }
.use-case-grid.three-up .uc-price { border: 0; margin: 0 0 12px; padding: 0; font-size: 0.9rem; line-height: 1.55; }
.use-case-grid.three-up .use-case-card > p { font-size: 1rem; line-height: 1.6; margin-bottom: 16px; }

/* spec block reads as an inset panel */
.use-case-grid.three-up .study-rows { margin: 0; background: rgba(255, 255, 255, 0.88); border: 1px solid rgba(15,37,48,0.09); border-radius: 10px; padding: 6px 18px; }
.use-case-grid.three-up .study-rows > div { border-top: 1px solid rgba(15, 37, 48, 0.08); padding: 13px 0; grid-template-columns: 44px minmax(0, 1fr); gap: 14px; }
.use-case-grid.three-up .study-rows > div:first-child { border-top: 0; }
.use-case-grid.three-up .study-rows dd { font-size: 0.9rem; line-height: 1.6; }

/* footer pinned so both cards align */
.use-case-grid.three-up .uc-foot { margin-top: auto; padding-top: 22px; border: 0; font-size: 0.8rem; line-height: 1.65; }
.use-case-grid.three-up .uc-links { margin-top: 16px; padding-top: 16px; border-top: 1px solid rgba(15, 37, 48, 0.12); gap: 8px 18px; }
.use-case-grid.three-up .uc-links .card-link { font-size: 0.9rem; }

/* everything-else strip */
.uc-more { grid-column: 1 / -1; display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 18px 44px;
    align-items: center; padding: 26px 30px; border: 1px solid rgba(15,37,48,0.14); border-radius: var(--radius); background: rgba(255,255,255,0.42); }
.uc-more .use-case-label { min-height: 0; font-size: 0.8rem; letter-spacing: 0.2em; color: var(--ink-soft); margin-bottom: 8px; }
.uc-more h3 { min-height: 0; font-size: 1.12rem; font-weight: 700; color: var(--ink); margin: 0 0 6px; }
.uc-more p { font-size: 1rem; line-height: 1.6; color: var(--ink-soft); margin: 0; max-width: 68ch; }
.uc-more p b { color: var(--ink); font-weight: 600; }
.uc-more .uc-links { margin: 0; padding: 0; white-space: nowrap; }
@media (max-width: 860px) { .uc-more { grid-template-columns: 1fr; } .uc-more .uc-links { white-space: normal; } }
.use-case-grid.two .use-case-card > p { margin-bottom: 4px; }
.uc-price { font-size: 1rem; line-height: 1.5; color: var(--ink-soft); margin: 2px 0 14px; }
.uc-price b { color: var(--terracotta); font-weight: 700; }
.use-case-card { display: flex; flex-direction: column; padding: 32px; border-radius: var(--radius); background: var(--cream-card); color: var(--ink); }
.use-case-label { font-size: 1.28rem; font-weight: 700; line-height: 1.28; letter-spacing: 0.04em; text-transform: uppercase; color: var(--terracotta); }
.use-case-card h3 { font-family: var(--font-body); font-size: 1.12rem; font-weight: 700; line-height: 1.35; margin: 14px 0 12px; color: var(--ink); }
.use-case-card > p { color: var(--ink-soft); font-size: 1rem; line-height: 1.65; }
.use-case-meta { display: grid; gap: 6px; margin-top: 22px; padding-top: 18px; border-top: 1px solid rgba(15, 37, 48, 0.14); }
.use-case-meta span { font-size: 0.9rem; font-weight: 600; line-height: 1.45; color: var(--ink-soft); }
.use-case-card .card-link { margin-top: auto; }

/* Who we serve: dark section */
.serve-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 20px; margin-top: 56px; }
.serve-card { background: var(--green-card); border-radius: var(--radius); padding: 40px 36px; transition: transform 250ms ease, box-shadow 250ms ease; }
.serve-card:hover { transform: translateY(-4px); box-shadow: 0 18px 40px rgba(0, 0, 0, 0.25); }
.serve-eyebrow { font-size: 0.8rem; font-weight: 700; letter-spacing: 0.24em; text-transform: uppercase; margin-bottom: 14px; }
.serve-eyebrow.labs { color: var(--terracotta); }
.serve-eyebrow.generators { color: #7fc4e8; }
.serve-card h3 { font-family: var(--font-display); font-size: 1.6rem; color: var(--cream); margin-bottom: 18px; }
.serve-card ul { list-style: none; }
.serve-card li { display: flex; gap: 12px; align-items: flex-start; font-size: 1rem; color: var(--cream-soft); line-height: 1.55; margin-bottom: 12px; }
.serve-card li::before { content: ''; flex-shrink: 0; width: 7px; height: 7px; border-radius: 50%; background: var(--terracotta); margin-top: 8px; }
.serve-card.generators-card li::before { background: #7fc4e8; }

/* Service overview */
.engine-card { display: flex; flex-direction: column; }
.engine-card p { flex: 1; }
.card-detail { margin-top: 24px; padding-top: 20px; border-top: 1px solid rgba(15, 37, 48, 0.14); font-size: 0.8rem; font-weight: 700; line-height: 1.7; letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-soft); }
.engine-card.inverted .card-detail { color: var(--cream-soft); border-color: rgba(238, 244, 247, 0.16); }
.card-link { display: inline-flex; align-items: center; gap: 8px; width: fit-content; margin-top: 22px; font-size: 1rem; font-weight: 700; color: var(--terracotta); }
.card-link::after { content: '→'; transition: transform 150ms ease; }
.card-link:hover::after { transform: translateX(4px); }

/* Feature sections */
.feature-grid { display: grid; grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr); gap: 72px; align-items: start; }
.dark-section .section-sub { color: var(--cream-soft); }
.dark-section .btn-primary, .hero .btn-primary { background: #d5dee5; color: #0f2530; }
.feature-panel { background: var(--green-card); border-radius: var(--radius); padding: 40px; border: 1px solid rgba(238, 244, 247, 0.08); }
.feature-panel.cream-panel { background: var(--cream-card); color: var(--ink); border-color: rgba(15, 37, 48, 0.08); }
.panel-eyebrow { font-size: 0.8rem; font-weight: 700; letter-spacing: 0.22em; text-transform: uppercase; color: var(--terracotta); margin-bottom: 22px; }
.question-list { list-style: none; }
.question-list li { position: relative; padding: 0 0 18px 22px; color: var(--cream-soft); font-size: 1rem; line-height: 1.6; }
.question-list li:last-child { padding-bottom: 0; }
.question-list li::before { content: ''; position: absolute; left: 0; top: 9px; width: 7px; height: 7px; border-radius: 50%; background: var(--terracotta); }
.feature-panel.cream-panel .question-list li { color: var(--ink-soft); }
.feature-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 34px; }
.helper-copy { margin-top: 16px; font-size: 0.9rem; color: var(--cream-soft); max-width: 480px; }
.cream-section .helper-copy { color: var(--ink-soft); }
.feature-steps { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; margin-top: 48px; }
.feature-step { padding: 28px; border-radius: var(--radius); background: rgba(238, 244, 247, 0.06); border: 1px solid rgba(238, 244, 247, 0.1); }
.feature-step-num { color: var(--terracotta); font-family: var(--font-display); font-size: 1.6rem; margin-bottom: 14px; }
.feature-step h3 { font-size: 1.12rem; margin-bottom: 8px; }
.feature-step p { font-size: 1rem; line-height: 1.65; color: var(--cream-soft); }
.value-steps { grid-template-columns: repeat(3, minmax(0, 1fr)); }

/* Software vs science comparison */
.compare { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; margin-top: 52px; }
.compare-card { padding: 34px 32px; border-radius: var(--radius); }
.compare-card.light { background: var(--cream-card); color: var(--ink); }
.compare-card.dark { background: #0d1c24; color: var(--cream); border: 1px solid rgba(238, 244, 247, 0.1); }
.compare-label { font-size: 0.8rem; font-weight: 700; letter-spacing: 0.22em; text-transform: uppercase; margin-bottom: 24px; }
.compare-card.light .compare-label { color: var(--ink-soft); }
.compare-card.dark .compare-label { color: var(--terracotta); }
.compare-list { list-style: none; }
.compare-list li { position: relative; padding-left: 26px; margin-bottom: 15px; font-size: 1rem; line-height: 1.5; }
.compare-card.light .compare-list li { color: var(--ink-soft); }
.compare-card.dark .compare-list li { color: var(--cream-soft); }
.compare-list li b { font-weight: 700; }
.compare-card.light .compare-list li b { color: var(--ink); }
.compare-card.dark .compare-list li b { color: var(--cream); }
.compare-list.check li::before { content: '✓'; position: absolute; left: 0; top: -1px; font-weight: 700; color: var(--ink-soft); }
.compare-list.dot li::before { content: ''; position: absolute; left: 4px; top: 9px; width: 7px; height: 7px; border-radius: 50%; background: var(--terracotta); }
.compare-foot { margin-top: 22px; font-size: 1rem; font-weight: 700; }
.compare-card.light .compare-foot { color: var(--ink); }
.compare-foot.alert { color: var(--terracotta); }
.compare-note { margin-top: 34px; font-size: 1.12rem; font-style: italic; color: var(--ink-soft); max-width: 68ch; }
@media (max-width: 700px) {
    .compare { grid-template-columns: 1fr; }
    .compare-card { padding: 28px 24px; }
}

/* How it works */
.work-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 18px; margin-top: 54px; }
.work-step { min-height: 205px; padding: 32px 26px; border-radius: var(--radius); background: var(--green-card); color: var(--cream); display: flex; flex-direction: column; }
.work-num { font-family: var(--font-body); font-size: 0.9rem; font-weight: 700; letter-spacing: 0.08em; color: var(--terracotta); margin-bottom: 28px; }
.work-step h3 { color: var(--cream); font-size: 1.28rem; margin-bottom: 10px; }
.work-step p { font-size: 1rem; color: var(--cream-soft); line-height: 1.65; }

/* Protein validation */
.protocol-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; margin-top: 30px; }
.protocol-item { display: flex; align-items: center; gap: 11px; padding: 13px 15px; border-radius: 10px; background: rgba(238, 244, 247, 0.06); color: var(--cream-soft); font-size: 0.9rem; }
.protocol-item::before { content: ''; width: 7px; height: 7px; border-radius: 50%; background: #7fc4e8; flex-shrink: 0; }
.loop { display: grid; gap: 14px; }
.loop-step { display: grid; grid-template-columns: 42px 1fr; gap: 16px; padding: 20px 0; border-bottom: 1px solid rgba(238, 244, 247, 0.12); }
.loop-step:last-child { border-bottom: 0; padding-bottom: 0; }
.loop-num { width: 42px; height: 42px; border-radius: 50%; display: grid; place-items: center; background: var(--terracotta); color: var(--cream); font-size: 0.9rem; font-weight: 700; }
.loop-step h3 { font-size: 1.12rem; margin-bottom: 5px; }
.loop-step p { font-size: 0.9rem; color: var(--cream-soft); line-height: 1.6; }

/* Why Arborworks */
.value-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; margin-top: 52px; }
.value-card { padding: 34px; border-radius: var(--radius); background: var(--cream-card); }
.value-card h3 { font-size: 1.12rem; margin-bottom: 10px; }
.value-card p { font-size: 1rem; color: var(--ink-soft); line-height: 1.65; }

/* FAQs */
.faq-list { max-width: 850px; margin-top: 46px; border-top: 1px solid rgba(238, 244, 247, 0.15); }
.faq-list details { border-bottom: 1px solid rgba(238, 244, 247, 0.15); }
.faq-list summary { list-style: none; cursor: pointer; padding: 24px 44px 24px 0; position: relative; font-weight: 600; font-size: 1.12rem; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { content: '+'; position: absolute; right: 8px; top: 21px; color: var(--terracotta); font-family: var(--font-display); font-size: 1.6rem; font-weight: 400; }
.faq-list details[open] summary::after { content: '−'; }
.faq-list details p { max-width: 760px; padding: 0 44px 24px 0; color: var(--cream-soft); font-size: 1rem; line-height: 1.75; }
.cream-section .faq-list { border-color: rgba(15, 37, 48, 0.16); }
.cream-section .faq-list details { border-color: rgba(15, 37, 48, 0.16); }
.cream-section .faq-list details p { color: var(--ink-soft); }

/* Contact form */
.contact-grid { display: grid; grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr); gap: 72px; align-items: start; }
.contact-form { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; background: var(--cream-card); border-radius: var(--radius); padding: 36px; }
.field { display: flex; flex-direction: column; gap: 8px; }
.field.full { grid-column: 1 / -1; }
.field label { font-size: 0.9rem; font-weight: 700; color: var(--ink); }
.field .optional { color: var(--ink-soft); font-weight: 400; }
.field input, .field select, .field textarea { width: 100%; border: 1px solid rgba(15, 37, 48, 0.16); border-radius: 9px; background: rgba(255, 255, 255, 0.46); color: var(--ink); padding: 13px 14px; font: inherit; font-size: 1rem; outline: none; transition: border-color 150ms ease, box-shadow 150ms ease; }
.field textarea { resize: vertical; min-height: 112px; }
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--terracotta); box-shadow: 0 0 0 3px rgba(54, 183, 246, 0.12); }
.form-actions { grid-column: 1 / -1; display: flex; flex-direction: column; align-items: flex-start; gap: 12px; margin-top: 4px; }
.form-actions button { border: 0; cursor: pointer; font-family: var(--font-body); }
.form-consent { font-size: 0.8rem; color: var(--ink-soft); }

/* CTA: cream closer */
.cta-section { padding: 140px 0; position: relative; overflow: hidden; }
.cta-title { font-size: clamp(1.9rem, 4vw, 2.7rem); max-width: 20ch; margin-bottom: 26px; }
.cta-sub { font-size: 1.12rem; color: var(--ink-soft); max-width: 560px; line-height: 1.7; margin-bottom: 44px; }
.dark-section .cta-sub { color: var(--cream-soft); }

/* Hero imagery */
.hero-media { position: absolute; top: 0; bottom: 0; right: 0; left: auto; width: 54%; z-index: 0; overflow: hidden; }
.hero-container { z-index: 2; }
.hero-media img { width: 100%; height: 100%; object-fit: cover; object-position: 58% center; transform: scaleX(-1); }
.hero-media::after {
    content: ''; position: absolute; inset: 0;
    background:
      linear-gradient(90deg, var(--green-deep) 0%, rgba(20, 41, 51, 0.72) 22%, rgba(20, 41, 51, 0.12) 52%, transparent 100%),
      linear-gradient(to top, rgba(20, 41, 51, 0.9) 0%, transparent 34%),
      linear-gradient(to bottom, rgba(20, 41, 51, 0.55) 0%, transparent 22%);
}
@media (max-width: 860px) {
    .hero-media { width: 100%; opacity: 0.5; }
    .hero-media img { object-position: 60% center; }
    .hero-media::after { background: linear-gradient(180deg, rgba(20, 41, 51, 0.7) 0%, rgba(20, 41, 51, 0.92) 55%, var(--green-deep) 100%); }
}

/* Built-by logo marquee (in-hero) */
.logo-strip { margin-top: 44px; }
.logo-strip-label { font-size: 0.9rem; font-weight: 700; letter-spacing: 0.24em; text-transform: uppercase; color: var(--cream-soft); margin-bottom: 18px; }
.logo-marquee {
    position: relative; overflow: hidden; max-width: 1040px;
    -webkit-mask-image: linear-gradient(90deg, transparent, #000 3%, #000 96%, transparent);
    mask-image: linear-gradient(90deg, transparent, #000 3%, #000 96%, transparent);
}
.logo-track { display: flex; width: max-content; animation: logo-scroll 40s linear infinite; }
.logo-marquee:hover .logo-track { animation-play-state: paused; }
.logo-set { display: flex; align-items: center; gap: 66px; padding-right: 66px; }
.logo-set img { height: 30px; width: auto; max-width: 220px; object-fit: contain; opacity: 0.72; filter: brightness(0) invert(1); transition: opacity 250ms ease; }
.logo-set img:hover { opacity: 1; }
.logo-set img.logo-stack { height: 42px; }
.logo-set img.logo-mark { height: 36px; }
.logo-lockup { display: inline-flex; align-items: center; gap: 12px; }
.logo-lockup img { height: 30px; width: auto; opacity: 0.72; filter: brightness(0) invert(1); transition: opacity 250ms ease; }
.logo-lockup span { font-size: 1.12rem; font-weight: 600; line-height: 1.35; letter-spacing: 0.01em; color: rgba(238, 244, 247, 0.72); white-space: nowrap; transition: color 250ms ease; }
.logo-lockup:hover img { opacity: 1; }
.logo-lockup:hover span { color: rgba(238, 244, 247, 1); }
.logo-track.is-static { animation: none; }
.logo-slot { display: inline-flex; align-items: center; justify-content: center; height: 30px; min-width: 104px; padding: 0 14px; border: 1px dashed rgba(238, 244, 247, 0.26); border-radius: 4px; font-size: 0.8rem; letter-spacing: 0.1em; text-transform: uppercase; color: rgba(238, 244, 247, 0.38); white-space: nowrap; }
@keyframes logo-scroll { to { transform: translateX(-50%); } }
@media (prefers-reduced-motion: reduce) { .logo-track { animation: none; } }
@media (max-width: 600px) { .logo-set { gap: 32px; padding-right: 32px; } }

/* Who we serve: four-up on light grounds */
.serve-grid.four { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }
.cream-section .serve-card, .sand-section .serve-card { background: var(--cream-card); }
.sand-section .serve-card { background: var(--card-on-sand); }
.cream-section .serve-card h3, .sand-section .serve-card h3 { color: var(--ink); font-size: 1.28rem; margin-bottom: 12px; }
.cream-section .serve-eyebrow, .sand-section .serve-eyebrow { color: var(--terracotta); }
.serve-body { font-size: 1rem; line-height: 1.65; color: var(--ink-soft); margin-bottom: 18px; }
.cream-section .serve-card:hover, .sand-section .serve-card:hover { box-shadow: 0 18px 40px rgba(15, 37, 48, 0.10); }
.serve-card .card-link { margin-top: 0; }
@media (max-width: 760px) { .serve-grid.four { grid-template-columns: 1fr; } }

/* Sand sections — lets light sections alternate without leaning on the dark ground */
.sand-section { background: var(--sand); color: var(--ink); }
.sand-section .section-sub { color: var(--ink-soft); }
.sand-section .engine-card,
.sand-section .use-case-card,
.sand-section .contact-form,
.sand-section .catalog-access,
.sand-section .deliverable-table { background: var(--card-on-sand); }
.sand-section .compare-note, .sand-section .helper-copy { color: var(--ink-soft); }

/* Example deliverable table */
.deliverable { display: grid; grid-template-columns: minmax(0, 0.72fr) minmax(0, 1fr); gap: 48px; align-items: center; margin-top: 56px; padding-top: 48px; border-top: 1px solid rgba(15, 37, 48, 0.14); }
.deliverable-copy h3 { font-family: var(--font-display); font-size: 1.28rem; font-weight: 700; color: var(--ink); margin-bottom: 12px; }
.deliverable-copy p { font-size: 1rem; color: var(--ink-soft); line-height: 1.65; }
.deliverable-note { margin-top: 14px; font-size: 0.8rem; color: var(--ink-soft); opacity: 0.75; }
.deliverable-table { font-family: var(--font-mono); font-size: 0.9rem; background: var(--cream-card); border-radius: 10px; padding: 6px 4px; overflow-x: auto; }
.dt-head, .dt-row { display: grid; grid-template-columns: 1.1fr 1fr 0.9fr 0.9fr 1fr; gap: 10px; padding: 11px 16px; min-width: 440px; }
.dt-head { font-size: 0.8rem; letter-spacing: 0.09em; text-transform: uppercase; color: var(--ink-soft); border-bottom: 1px solid rgba(15, 37, 48, 0.16); }
.dt-row { color: var(--ink); border-bottom: 1px solid rgba(15, 37, 48, 0.07); }
.dt-row:last-child { border-bottom: 0; }
.dt-row .num { font-variant-numeric: tabular-nums; }
.dt-row .ok { color: #2e7d4f; }
.dt-row .flag { color: var(--terracotta); font-weight: 700; }
.dt-row.flagged { background: rgba(54, 183, 246, 0.10); border-radius: 6px; }
@media (max-width: 820px) { .deliverable { grid-template-columns: 1fr; gap: 28px; } }

/* Featured studies */
.study-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; margin-top: 48px; }
.study-card { background: var(--cream-card); border-radius: var(--radius); padding: 32px 28px; display: flex; flex-direction: column; }
.sand-section .study-card { background: var(--card-on-sand); }
.study-modality { font-size: 0.8rem; font-weight: 700; letter-spacing: 0.18em; text-transform: uppercase; color: var(--terracotta); margin-bottom: 12px; }
.study-card h3 { font-size: 1.28rem; font-weight: 700; color: var(--ink); margin-bottom: 20px; }
.study-rows { margin: 0 0 18px; }
.study-rows > div { display: grid; grid-template-columns: 52px minmax(0, 1fr); gap: 12px; padding: 11px 0; border-top: 1px solid rgba(15, 37, 48, 0.12); }
.study-rows dt { font-family: var(--font-mono); font-size: 0.8rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-soft); padding-top: 2px; }
.study-rows dd { margin: 0; font-size: 1rem; line-height: 1.55; color: var(--ink); }
.study-time { margin-top: auto; padding-top: 14px; border-top: 1px solid rgba(15, 37, 48, 0.12); font-family: var(--font-mono); font-size: 0.9rem; font-weight: 600; color: var(--terracotta); }
@media (max-width: 900px) { .study-grid { grid-template-columns: 1fr; } }

/* Service ticker */
.ticker { margin-top: 52px; padding-top: 34px; border-top: 1px solid rgba(15, 37, 48, 0.14); }
.ticker-label { font-size: 0.8rem; font-weight: 700; letter-spacing: 0.16em; text-transform: uppercase; color: var(--ink-soft); margin-bottom: 20px; }
.tick-row { overflow: hidden; margin: 0 -40px; padding: 5px 0;
    -webkit-mask-image: linear-gradient(90deg, transparent, #000 5%, #000 95%, transparent);
    mask-image: linear-gradient(90deg, transparent, #000 5%, #000 95%, transparent); }
.tick-track { display: flex; width: max-content; }
.tick-track.r0 { animation: tick-l 68s linear infinite; }
.tick-track.r1 { animation: tick-r 76s linear infinite; }
.tick-track.r2 { animation: tick-l 84s linear infinite; }
.ticker:hover .tick-track { animation-play-state: paused; }
.tick-set { display: flex; gap: 10px; padding-right: 10px; }
.tick-pill { display: inline-flex; align-items: baseline; gap: 8px; white-space: nowrap; padding: 9px 16px; border-radius: 9999px; background: var(--cream-card); border: 1px solid rgba(15, 37, 48, 0.08); }
.tick-pill b { font-size: 0.9rem; font-weight: 600; color: var(--ink); }
.tick-pill i { font-style: normal; font-size: 0.8rem; color: var(--terracotta); }
@keyframes tick-l { to { transform: translateX(-50%); } }
@keyframes tick-r { from { transform: translateX(-50%); } to { transform: translateX(0); } }
@media (prefers-reduced-motion: reduce) { .tick-track { animation: none !important; } }
@media (max-width: 768px) { .tick-row { margin: 0 -20px; } .tick-pill { padding: 8px 13px; } }

/* Guarantees */
.guarantee-list { list-style: none; margin-top: 30px; border-top: 1px solid rgba(15, 37, 48, 0.16); }
.guarantee-list li { display: grid; grid-template-columns: 52px minmax(0, 1fr); gap: 8px; padding: 20px 0; border-bottom: 1px solid rgba(15, 37, 48, 0.16); }
.g-num { font-family: var(--font-mono); font-size: 0.9rem; font-weight: 600; color: var(--terracotta); padding-top: 4px; }
.guarantee-list h3 { font-size: 1.12rem; font-weight: 700; color: var(--ink); margin-bottom: 5px; }
.guarantee-list p { font-size: 1rem; line-height: 1.62; color: var(--ink-soft); max-width: 82ch; }
@media (max-width: 640px) {
    .guarantee-list li { grid-template-columns: 1fr; gap: 6px; padding: 24px 0; }
    .g-num { padding-top: 0; }
}

/* Split panel with imagery */
.split-panel { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr); gap: 56px; align-items: center; }
.split-copy .section-title { margin-bottom: 16px; }
.split-copy .section-sub { margin-bottom: 22px; }
.split-media { margin: 0; border-radius: var(--radius); overflow: hidden; box-shadow: 0 20px 44px rgba(15, 37, 48, 0.16); }
.split-media img { display: block; width: 100%; height: clamp(240px, 26vw, 340px); object-fit: cover; }
@media (max-width: 860px) {
    .split-panel { grid-template-columns: 1fr; gap: 32px; }
    .split-media img { height: clamp(200px, 46vw, 300px); }
}

/* Full-bleed image band */
.image-band { position: relative; background: var(--green-deep); line-height: 0; }
.image-band img { display: block; width: 100%; height: clamp(240px, 34vw, 420px); object-fit: cover; object-position: center; }
.image-band-caption {
    position: absolute; left: 0; right: 0; bottom: 0; margin: 0;
    padding: 44px 32px 26px; text-align: center; line-height: 1.5;
    font-size: 1rem; color: var(--cream);
    background: linear-gradient(to top, rgba(20, 41, 51, 0.82), transparent);
}
@media (max-width: 600px) { .image-band-caption { font-size: 0.9rem; padding: 34px 20px 18px; } }

/* Footer */
.footer { border-top: 1px solid rgba(238, 244, 247, 0.1); padding: 72px 0 60px; }
.footer-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.25fr); gap: 56px; align-items: start; }
.footer-brand .wordmark { display: inline-block; font-size: 1.12rem; margin-bottom: 18px; }
.footer-blurb { font-size: 1.12rem; line-height: 1.65; color: var(--cream-soft); max-width: 42ch; margin-bottom: 20px; }
.footer-legal { font-size: 0.9rem; color: rgba(238, 244, 247, 0.45); }
.footer-cols { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 32px; }
.footer-cols h4 { font-size: 0.9rem; font-weight: 700; letter-spacing: 0.16em; text-transform: uppercase; color: var(--cream); margin-bottom: 16px; }
.footer-cols a { display: block; font-size: 1.12rem; line-height: 1.5; color: var(--cream-soft); margin-bottom: 11px; transition: color 150ms ease; }
.footer-cols a:hover { color: var(--terracotta); }
@media (max-width: 800px) {
    .footer-grid { grid-template-columns: 1fr; gap: 40px; }
    .footer-cols { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 28px; }
}

@media (max-width: 768px) {
    .nav-links { display: none; }
    .container, .nav-container, .hero-container { padding-left: 20px; padding-right: 20px; }
    .hero-container { padding-top: 72px; padding-bottom: 72px; }
    .section { padding: 72px 0; }
    .cta-section { padding: 96px 0; }
    .hero-subtitle { font-size: 1.12rem; }
    .orb-1 { width: 72px; height: 72px; }
    .feature-grid, .contact-grid { grid-template-columns: 1fr; gap: 44px; }
    .work-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .catalog-access { grid-template-columns: 1fr; }
    .catalog-access-actions { justify-content: flex-start; }
    .value-steps { grid-template-columns: 1fr; }
    .use-case-grid { grid-template-columns: 1fr; }
    .use-case-label, .use-case-card h3, .use-case-card > p { min-height: 0; }
    .contact-form { padding: 26px 20px; }
}

@media (max-width: 520px) {
    .feature-steps, .protocol-list, .value-grid, .work-grid, .contact-form { grid-template-columns: 1fr; }
    .field.full, .form-actions { grid-column: auto; }
    .feature-panel { padding: 28px 22px; }
    .work-step { min-height: auto; }
    .use-case-card { min-height: auto; padding: 30px 24px; }
}

/* ---------- Case study page ---------- */
.cs-hero { padding: 132px 0 56px; background: var(--green-deep); }
.cs-back { display: inline-flex; align-items: center; gap: 8px; font-size: 0.9rem; font-weight: 600; color: var(--cream-soft); margin-bottom: 26px; }
.cs-back:hover { color: var(--terracotta); }
.cs-hero h1 { font-size: clamp(2.3rem, 4.8vw, 3.4rem); line-height: 1.12; letter-spacing: -0.02em; max-width: 20ch; margin-bottom: 18px; }
.cs-lede { font-size: 1.12rem; color: var(--cream-soft); max-width: 62ch; line-height: 1.7; }
.cs-spec { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1px; background: rgba(238,244,247,0.14); border: 1px solid rgba(238,244,247,0.14); border-radius: var(--radius); overflow: hidden; margin-top: 44px; }
.cs-spec div { background: var(--green-card); padding: 22px 20px; }
.cs-spec dt { font-size: 0.8rem; font-weight: 700; letter-spacing: 0.16em; text-transform: uppercase; color: var(--cream-soft); margin-bottom: 10px; }
.cs-spec dd { margin: 0; font-family: var(--font-mono); font-size: 1.28rem; font-weight: 600; color: var(--cream); }
.cs-spec dd small { display: block; font-family: var(--font-body); font-size: 0.8rem; font-weight: 500; color: var(--cream-soft); margin-top: 6px; letter-spacing: 0; }

.cs-body h2 { font-size: clamp(1.8rem, 3.2vw, 2.4rem); letter-spacing: -0.015em; margin-bottom: 16px; }
.cs-body h3 { font-size: 1.12rem; font-weight: 700; margin-bottom: 8px; }
.cs-body p { font-size: 1.12rem; line-height: 1.75; max-width: 74ch; }
.cs-body p + p { margin-top: 16px; }
.cs-note { font-size: 0.9rem; font-style: italic; opacity: 0.8; margin-top: 18px; }

.cs-split { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 48px; margin-top: 42px; }
.cs-card { background: var(--cream-card); border-radius: var(--radius); padding: 28px 26px; }
.sand-section .cs-card { background: var(--card-on-sand); }
.cs-card h3 { color: var(--ink); }
.cs-card ul { list-style: none; margin-top: 12px; }
.cs-card li { position: relative; padding-left: 20px; font-size: 1rem; line-height: 1.6; color: var(--ink-soft); margin-bottom: 9px; }
.cs-card li::before { content: ''; position: absolute; left: 0; top: 9px; width: 6px; height: 6px; border-radius: 50%; background: var(--terracotta); }

.cs-timeline { margin-top: 42px; border-top: 1px solid rgba(15,37,48,0.16); }
.cs-timeline > div { display: grid; grid-template-columns: 110px 220px minmax(0, 1fr); gap: 20px; padding: 22px 0; border-bottom: 1px solid rgba(15,37,48,0.16); }
.cs-day { font-family: var(--font-mono); font-size: 0.9rem; font-weight: 600; color: var(--terracotta); }
.cs-step { font-weight: 700; color: var(--ink); }
.cs-timeline p { font-size: 1rem; line-height: 1.6; color: var(--ink-soft); margin: 0; }

.cs-table { overflow-x: auto; margin-top: 34px; background: var(--cream-card); border-radius: 10px; padding: 6px 4px; }
.sand-section .cs-table { background: var(--card-on-sand); }
.cs-table table { width: 100%; border-collapse: collapse; font-family: var(--font-mono); font-size: 0.9rem; min-width: 660px; }
.cs-table th { text-align: left; font-size: 0.8rem; letter-spacing: 0.09em; text-transform: uppercase; color: var(--ink-soft); font-weight: 500; padding: 12px 14px; border-bottom: 1px solid rgba(15,37,48,0.16); }
.cs-table td { padding: 11px 14px; border-bottom: 1px solid rgba(15,37,48,0.07); color: var(--ink); }
.cs-table tr:last-child td { border-bottom: 0; }
.cs-table td.n { text-align: right; font-variant-numeric: tabular-nums; }
.cs-table .ok { color: #2e7d4f; }
.cs-table .flag { color: var(--terracotta); font-weight: 700; }
.cs-table tr.flagged td { background: rgba(54,183,246,0.10); }

.cs-cost { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 18px; margin-top: 34px; }
.cs-cost div { background: var(--cream-card); border-radius: var(--radius); padding: 24px 22px; }
.sand-section .cs-cost div { background: var(--card-on-sand); }
.cs-cost dt { font-size: 0.8rem; font-weight: 700; letter-spacing: 0.16em; text-transform: uppercase; color: var(--ink-soft); margin-bottom: 10px; }
.cs-cost dd { margin: 0; font-family: var(--font-mono); font-size: 1.6rem; font-weight: 600; color: var(--ink); }
.cs-cost dd small { display: block; font-family: var(--font-body); font-size: 0.9rem; font-weight: 500; color: var(--ink-soft); margin-top: 8px; }

@media (max-width: 860px) {
    .cs-spec, .cs-cost { grid-template-columns: repeat(2, minmax(0,1fr)); }
    .cs-split { grid-template-columns: 1fr; gap: 28px; }
    .cs-timeline > div { grid-template-columns: 1fr; gap: 6px; }
}

.uc-links { display: flex; flex-wrap: wrap; gap: 10px 24px; margin-top: auto; padding-top: 4px; }
.uc-links .card-link { margin-top: 0; }

/* Guarantees header with imagery */
.g-head { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 0.8fr); gap: 44px; align-items: start; }
.g-media { margin: 0; border-radius: var(--radius); overflow: hidden; box-shadow: 0 20px 44px rgba(15, 37, 48, 0.16); }
.g-media img { display: block; width: 100%; height: clamp(150px, 15vw, 210px); object-fit: cover; }
@media (max-width: 860px) { .g-head { grid-template-columns: 1fr; gap: 30px; } }

/* ---------- Flow / configurator page ---------- */
.flow-step { display: grid; grid-template-columns: 62px minmax(0, 1fr); gap: 22px; padding: 34px 0; border-bottom: 1px solid rgba(15,37,48,0.16); }
.flow-step:last-of-type { border-bottom: 0; }
.fs-num { font-family: var(--font-mono); font-size: 0.9rem; font-weight: 600; color: var(--terracotta); padding-top: 6px; }
.fs-body h3 { font-size: 1.28rem; font-weight: 700; color: var(--ink); margin-bottom: 8px; }
.fs-body > p { font-size: 1.12rem; line-height: 1.7; color: var(--ink-soft); max-width: 66ch; }

.drop { margin-top: 20px; border: 2px dashed rgba(15,37,48,0.24); border-radius: var(--radius); padding: 30px 26px; background: rgba(255,255,255,0.4); }
.drop-title { font-family: var(--font-mono); font-size: 0.9rem; font-weight: 600; color: var(--ink); }
.drop-sub { font-size: 0.9rem; color: var(--ink-soft); margin-top: 6px; }
.drop-sample { margin-top: 16px; background: var(--green-deep); border-radius: 8px; padding: 14px 16px; overflow-x: auto; }
.drop-sample pre { margin: 0; font-family: var(--font-mono); font-size: 0.8rem; line-height: 1.7; color: rgba(238,244,247,0.86); white-space: pre; }
.drop-sample .c { color: var(--terracotta); }

.opt-grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 10px; margin-top: 20px; }
.opt { display: flex; align-items: flex-start; gap: 12px; padding: 14px 16px; border: 1px solid rgba(15,37,48,0.14); border-radius: 10px; background: rgba(255,255,255,0.5); cursor: pointer; transition: border-color 140ms ease, background 140ms ease; }
.opt:hover { border-color: rgba(15,37,48,0.3); }
.opt input { margin: 3px 0 0; accent-color: var(--terracotta); width: 16px; height: 16px; flex-shrink: 0; }
.opt.is-on { border-color: var(--terracotta); background: rgba(54,183,246,0.08); }
.opt-name { font-size: 1rem; font-weight: 600; color: var(--ink); }
.opt-meta { display: block; font-size: 0.9rem; color: var(--ink-soft); margin-top: 3px; }
.opt-price { margin-left: auto; font-family: var(--font-mono); font-size: 0.9rem; color: var(--ink-soft); white-space: nowrap; padding-left: 10px; }
.opt.locked { opacity: 0.75; cursor: default; }

.pick-row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 18px; }
.pick { padding: 9px 18px; border-radius: 9999px; border: 1px solid rgba(15,37,48,0.18); background: rgba(255,255,255,0.5); font-family: var(--font-mono); font-size: 0.9rem; color: var(--ink); cursor: pointer; transition: all 140ms ease; }
.pick.is-on { background: var(--cta); border-color: var(--cta); color: #fff; }

.quote { position: sticky; top: 96px; background: var(--green-deep); border-radius: var(--radius); padding: 30px 28px; }
.quote h4 { font-size: 0.8rem; font-weight: 700; letter-spacing: 0.18em; text-transform: uppercase; color: var(--cream-soft); margin-bottom: 20px; }
.quote-row { display: flex; justify-content: space-between; gap: 14px; padding: 10px 0; border-bottom: 1px solid rgba(238,244,247,0.12); font-size: 0.9rem; color: var(--cream-soft); }
.quote-row b { font-family: var(--font-mono); color: var(--cream); font-weight: 600; }
.quote-total { display: flex; justify-content: space-between; align-items: baseline; margin-top: 20px; }
.quote-total span { font-size: 0.9rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--cream-soft); }
.quote-total b { font-family: var(--font-mono); font-size: 2.1rem; font-weight: 600; color: var(--cream); }
.quote-per { font-family: var(--font-mono); font-size: 0.9rem; color: var(--terracotta); margin-top: 6px; }
.quote-time { margin-top: 18px; padding-top: 16px; border-top: 1px solid rgba(238,244,247,0.12); font-size: 1rem; color: var(--cream); }
.quote-note { font-size: 0.8rem; color: rgba(238,244,247,0.5); line-height: 1.5; margin-top: 14px; }
.quote .btn { width: 100%; margin-top: 18px; }

.cfg { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.65fr); gap: 48px; align-items: start; }
@media (max-width: 900px) {
    .cfg { grid-template-columns: 1fr; gap: 32px; }
    .quote { position: static; }
    .opt-grid { grid-template-columns: 1fr; }
    .flow-step { grid-template-columns: 1fr; gap: 10px; }
}

.uc-foot { margin-top: 18px; padding-top: 14px; border-top: 1px solid rgba(15,37,48,0.12); font-size: 0.9rem; color: var(--ink-soft); }

/* Two core products, plus a slim aside */
.use-case-grid.three-up { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.uc-more { grid-column: 1 / -1; display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 20px 40px; align-items: center;
    padding: 24px 28px; border: 1px dashed rgba(15,37,48,0.26); border-radius: var(--radius); background: transparent; }
.uc-more .use-case-label { min-height: 0; font-size: 0.8rem; letter-spacing: 0.2em; color: var(--ink-soft); margin-bottom: 6px; }
.uc-more h3 { min-height: 0; font-size: 1.12rem; font-weight: 700; color: var(--ink); margin: 0 0 6px; }
.uc-more p { font-size: 1rem; line-height: 1.6; color: var(--ink-soft); margin: 0; max-width: 74ch; }
.uc-more p b { color: var(--ink); font-weight: 600; }
.uc-more .uc-links { margin: 0; padding: 0; white-space: nowrap; }
@media (max-width: 860px) { .uc-more { grid-template-columns: 1fr; } .uc-more .uc-links { white-space: normal; } }

.pick-label { font-size: 0.8rem; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase; color: var(--ink-soft); margin: 20px 0 0; }
.pick-row + .pick-label { margin-top: 22px; }

/* IIT phase blocks */
.phase { display: grid; grid-template-columns: 132px minmax(0, 1fr); gap: 28px; padding: 30px 0; border-top: 1px solid rgba(15,37,48,0.16); }
.phase:last-of-type { border-bottom: 1px solid rgba(15,37,48,0.16); }
.phase-tag { font-family: var(--font-mono); font-size: 0.8rem; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; color: var(--terracotta); padding-top: 5px; }
.phase h3 { font-size: 1.28rem; font-weight: 700; color: var(--ink); margin-bottom: 10px; }
.phase p { font-size: 1rem; line-height: 1.7; color: var(--ink-soft); margin: 0 0 14px; max-width: 72ch; }
.phase ul { list-style: none; margin: 0; }
.phase li { position: relative; padding-left: 20px; font-size: 1rem; line-height: 1.6; color: var(--ink-soft); margin-bottom: 8px; }
.phase li::before { content: ''; position: absolute; left: 0; top: 9px; width: 6px; height: 6px; border-radius: 50%; background: var(--terracotta); }
.phase li b { color: var(--ink); font-weight: 600; }
@media (max-width: 800px) { .phase { grid-template-columns: 1fr; gap: 10px; } }

/* Leaflet map on the IIT page */
#cn-map { width: 100%; height: 420px; border-radius: var(--radius); border: 1px solid rgba(15,37,48,0.12); background: #eaf0f4; }
.leaflet-container { font-family: var(--font-body); background: #eaf0f4; }
.cn-tip { background: rgba(255,255,255,0.92); border: 1px solid rgba(15,37,48,0.14); box-shadow: none; color: var(--ink); font-size: 0.9rem; font-weight: 600; padding: 3px 8px; border-radius: 6px; }
.cn-tip::before { display: none; }
.leaflet-control-attribution { font-size: 10px; background: rgba(255,255,255,0.8); }
@media (max-width: 880px) { #cn-map { height: 320px; } }


/* ---------- Motion system ---------- */
.rv { opacity: 0; transform: translateY(16px);
      transition: opacity 640ms cubic-bezier(.22,1,.36,1), transform 640ms cubic-bezier(.22,1,.36,1); }
.rv.rv-in { opacity: 1; transform: none; }

/* nav condenses once you leave the hero */
.navbar { transition: background 260ms ease, box-shadow 260ms ease, height 260ms ease; }
.navbar.is-stuck { background: rgba(20, 41, 51, 0.94); box-shadow: 0 10px 30px rgba(0,0,0,0.22); }
.navbar.is-stuck .nav-container { height: 62px; }
.nav-container { transition: height 260ms ease; }

/* links and buttons */
.card-link { transition: color 160ms ease; }
.card-link::after { transition: transform 220ms cubic-bezier(.22,1,.36,1); }
.card-link:hover::after { transform: translateX(6px); }
.btn { transition: transform 200ms cubic-bezier(.22,1,.36,1), box-shadow 200ms ease, background 200ms ease; }
.nav-links a { position: relative; }
.nav-links a::after { content: ''; position: absolute; left: 0; right: 0; bottom: -6px; height: 1px;
    background: var(--terracotta); transform: scaleX(0); transform-origin: left;
    transition: transform 240ms cubic-bezier(.22,1,.36,1); }
.nav-links a:hover::after { transform: scaleX(1); }

/* cards lift consistently */
.serve-card, .work-step, .engine-card, .use-case-card, .study-card {
    transition: transform 240ms cubic-bezier(.22,1,.36,1), box-shadow 240ms ease; }
.work-step:hover, .study-card:hover { transform: translateY(-3px); box-shadow: 0 20px 44px rgba(15,37,48,0.12); }

/* guarantee rows wipe in */
.guarantee-list li { transition: background 220ms ease; }
.guarantee-list li:hover { background: rgba(255,255,255,0.45); }

@media (prefers-reduced-motion: reduce) {
    .rv { opacity: 1 !important; transform: none !important; transition: none !important; }
    .navbar, .nav-container, .btn, .card-link::after { transition: none !important; }
}

/* Core product cards — visual polish */
.use-case-grid.three-up .use-case-card {
    position: relative; overflow: hidden; border-radius: 16px;
    background: linear-gradient(180deg, rgba(255,255,255,0.32), rgba(255,255,255,0) 46%), var(--cream-card);
    border: 1px solid rgba(15,37,48,0.10);
    box-shadow: 0 1px 2px rgba(15,37,48,0.04), 0 10px 26px rgba(15,37,48,0.055);
}
.sand-section .use-case-grid.three-up .use-case-card {
    background: linear-gradient(180deg, rgba(255,255,255,0.36), rgba(255,255,255,0) 46%), var(--card-on-sand);
}
.use-case-grid.three-up .use-case-card::after {
    content: ''; position: absolute; left: 0; right: 0; top: 0; height: 3px;
    background: linear-gradient(90deg, var(--terracotta), rgba(54,183,246,0.15));
    transform: scaleX(0); transform-origin: left;
    transition: transform 420ms cubic-bezier(.22,1,.36,1);
}
.use-case-grid.three-up .use-case-card.rv-in::after { transform: scaleX(1); }
.use-case-grid.three-up .use-case-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 2px 4px rgba(15,37,48,0.05), 0 26px 54px rgba(15,37,48,0.13);
}

/* the number anchors the card */
.use-case-grid.three-up .use-case-label { min-height: 0; display: block; letter-spacing: 0.12em; }
.uc-num { display: block; font-family: var(--font-mono); font-size: 1.6rem; font-weight: 600;
    letter-spacing: -0.02em; color: var(--terracotta); opacity: 0.42; line-height: 1; margin-bottom: 10px; }

/* spec block reads clearly as an inset panel */
.use-case-grid.three-up .study-rows {
    background: rgba(54,183,246,0.08); border: 1px solid rgba(54,183,246,0.22); border-radius: 12px;
    padding: 4px 18px;
}
.use-case-grid.three-up .study-rows > div { border-top-color: rgba(15,37,48,0.09); }
.use-case-grid.three-up .study-rows dt { color: var(--terracotta); opacity: 0.75; }

/* Contact form states */
.contact-form .hp { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }
.form-status { min-height: 1.3em; transition: color 160ms ease; }
.form-status.is-ok { color: #2e7d4f; font-weight: 600; }
.form-status.is-err { color: var(--terracotta); font-weight: 600; }
.contact-form button[disabled] { opacity: 0.6; cursor: progress; }

/* Tertiary button + CTA row */
.btn-ghost { background: transparent; color: var(--cream-soft); border: 1px solid rgba(238,244,247,0.18); font-weight: 500; }
.btn-ghost:hover { color: var(--cream); border-color: rgba(238,244,247,0.4); background: rgba(238,244,247,0.05); }
.cream-section .btn-ghost, .sand-section .btn-ghost { color: var(--ink-soft); border-color: rgba(15,37,48,0.16); }
.cream-section .btn-ghost:hover, .sand-section .btn-ghost:hover { color: var(--ink); border-color: rgba(15,37,48,0.32); background: rgba(15,37,48,0.03); }
.cta-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 16px 24px; margin-top: 4px; }
.cta-actions .card-link { margin-top: 0; }