:root {
  --ink: #080907;
  --ink-2: #10120e;
  --paper: #eee9dd;
  --cream: #d8cfbd;
  --white: #faf9f4;
  --muted: #a6a99e;
  --olive: #8e9352;
  --olive-light: #bec46d;
  --olive-dark: #41452c;
  --leather: #8d5038;
  --line-dark: rgba(10, 11, 9, .17);
  --line-light: rgba(238, 233, 221, .18);
  --display: "Bebas Neue", "Arial Narrow", sans-serif;
  --body: "Manrope", Arial, sans-serif;
}

* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
html { scroll-behavior: smooth; background: var(--ink); }
body { margin: 0; color: var(--paper); background: var(--ink); font-family: var(--body); overflow-x: hidden; }
body.menu-open { overflow: hidden; }
img, video { display: block; max-width: 100%; }
a { color: inherit; transition: color .2s ease; }
button, input, select, textarea { font: inherit; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }

.scroll-progress { position: fixed; inset: 0 0 auto; z-index: 100; height: 2px; background: rgba(255,255,255,.05); }
.scroll-progress span { display: block; width: 0; height: 100%; background: var(--olive-light); box-shadow: 0 0 18px var(--olive); }

.site-nav { position: fixed; z-index: 90; top: 0; left: 0; width: 100%; height: 102px; padding: 0 clamp(24px, 5vw, 76px); display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid transparent; transition: height .3s ease, background .3s ease, border-color .3s ease; }
.site-nav.is-scrolled { height: 76px; background: rgba(8,9,7,.88); border-color: var(--line-light); backdrop-filter: blur(16px); }
.nav-brand { position: relative; width: clamp(140px, 14vw, 175px); display: flex; align-items: center; flex: 0 0 auto; transition: width .3s ease; }
.nav-brand img { width: 100%; height: auto; display: block; }
.site-nav.is-scrolled .nav-brand { width: 135px; }
.main-menu { display: flex; align-items: center; gap: clamp(20px, 2.6vw, 42px); }
.main-menu > a:not(.nav-cta) { position: relative; color: rgba(238,233,221,.75); font-size: 11px; font-weight: 600; letter-spacing: .1em; text-decoration: none; text-transform: uppercase; }
.main-menu > a:not(.nav-cta)::after { content: ""; position: absolute; left: 0; bottom: -7px; width: 100%; height: 1px; background: var(--olive-light); transform: scaleX(0); transform-origin: right; transition: transform .25s; }
.main-menu > a:hover::after { transform: scaleX(1); transform-origin: left; }
.nav-cta { padding: 13px 17px; border: 1px solid rgba(190,196,109,.55); color: var(--paper); font-family: var(--display); font-size: 17px; letter-spacing: .06em; text-decoration: none; text-transform: uppercase; }
.nav-cta span { margin-left: 14px; color: var(--olive-light); }
.menu-button { display: none; border: 0; background: none; color: inherit; }

.hero { position: relative; min-height: 780px; height: 100svh; overflow: hidden; display: flex; align-items: center; isolation: isolate; }
.hero-video { position: absolute; inset: 0; z-index: -4; width: 100%; height: 100%; object-fit: cover; object-position: center; }
.hero-shade { position: absolute; inset: 0; z-index: -3; background: linear-gradient(90deg, rgba(5,6,4,.94) 0%, rgba(5,6,4,.74) 31%, rgba(5,6,4,.14) 65%, rgba(5,6,4,.28)), linear-gradient(0deg, rgba(5,6,4,.72), transparent 45%); }
.hero-grain { position: absolute; inset: 0; z-index: -2; opacity: .15; background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.82' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.3'/%3E%3C/svg%3E"); pointer-events: none; }
.hero::after { content: ""; position: absolute; inset: 18px; z-index: 4; border: 1px solid rgba(238,233,221,.24); pointer-events: none; }
.hero-content { width: min(780px, 56vw); margin-left: clamp(32px, 8vw, 124px); padding-top: 42px; }
.kicker { display: flex; align-items: center; gap: 11px; margin: 0 0 20px; color: var(--olive-light); font-size: 11px; font-weight: 700; letter-spacing: .2em; text-transform: uppercase; }
.kicker span { width: 30px; height: 1px; background: currentColor; }
.kicker.dark { color: var(--olive-dark); }
.hero h1, .section h2, .section-dark h2, .brand-proof h2, .contact-section h2 { margin: 0; font-family: var(--display); font-size: clamp(58px, 7vw, 116px); font-weight: 400; line-height: .82; letter-spacing: -.018em; text-transform: uppercase; }
h1 em, h2 em { color: transparent; font-style: normal; }
.hero h1 em { -webkit-text-stroke: 1px rgba(238,233,221,.74); }
.hero-copy { max-width: 590px; margin: 30px 0 0; color: rgba(238,233,221,.73); font-size: clamp(15px, 1.25vw, 18px); line-height: 1.72; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 36px; }
.button { min-height: 58px; display: inline-flex; align-items: center; justify-content: space-between; gap: 28px; padding: 0 22px; border: 1px solid transparent; font-family: var(--display); font-size: 20px; letter-spacing: .065em; text-decoration: none; text-transform: uppercase; cursor: pointer; transition: transform .25s cubic-bezier(.2,.8,.2,1), background .25s ease, color .25s ease, border-color .25s ease, box-shadow .25s ease; }
.button:hover { transform: translateY(-3px); }
.button:active { transform: translateY(-1px) scale(.98); }
.button-primary { color: var(--ink); background: var(--olive-light); }
.button-primary:hover { background: var(--paper); box-shadow: 0 8px 24px rgba(190,196,109,.25); }
.button-ghost { color: var(--paper); border-color: rgba(238,233,221,.34); background: rgba(8,9,7,.24); backdrop-filter: blur(10px); }
.button-ghost:hover { border-color: var(--olive-light); background: rgba(8,9,7,.45); }
.button-dark { color: var(--paper); background: var(--ink); }
.button-dark:hover { background: var(--olive-dark); }
.hero-data { position: absolute; right: clamp(34px, 6vw, 90px); bottom: 55px; display: grid; grid-template-columns: repeat(3, auto); background: rgba(8,9,7,.68); border: 1px solid var(--line-light); backdrop-filter: blur(16px); }
.hero-data div { min-width: 150px; padding: 17px 20px; border-right: 1px solid var(--line-light); }
.hero-data div:last-child { border: 0; }
.hero-data strong { display: block; font-family: var(--display); font-size: 25px; font-weight: 400; letter-spacing: .04em; }
.hero-data span { color: var(--muted); font-size: 9px; letter-spacing: .11em; text-transform: uppercase; }
.scroll-cue { position: absolute; left: clamp(32px, 8vw, 124px); bottom: 56px; display: flex; align-items: center; gap: 12px; color: rgba(238,233,221,.55); font-size: 9px; letter-spacing: .18em; text-decoration: none; text-transform: uppercase; }
.scroll-cue i { position: relative; width: 74px; height: 1px; overflow: hidden; background: rgba(238,233,221,.25); }
.scroll-cue i::after { content: ""; position: absolute; inset: 0; background: var(--olive-light); animation: scan 2s ease-in-out infinite; }

.section { position: relative; padding: clamp(95px, 12vw, 180px) clamp(28px, 8vw, 124px); color: var(--ink); background: var(--paper); }
.section-dark { position: relative; padding: clamp(95px, 12vw, 180px) clamp(28px, 8vw, 124px); background: var(--ink); }
.section-index { color: currentColor; opacity: .46; font-size: 9px; font-weight: 700; letter-spacing: .22em; text-transform: uppercase; }
.story-grid { margin-top: clamp(32px, 5vw, 64px); display: grid; grid-template-columns: 1.15fr .75fr; gap: clamp(40px, 6vw, 100px); align-items: center; }
.story-heading { display: flex; flex-direction: column; justify-content: center; }
.section h2, .section-dark h2, .brand-proof h2, .contact-section h2 { font-size: clamp(52px, 6vw, 98px); line-height: .86; }
.story-heading h2 em { color: var(--olive-dark); -webkit-text-stroke: 0; }
.story-copy { padding-bottom: 8px; }
.story-copy .lead { margin: 0 0 24px; color: var(--ink); font-size: clamp(20px, 2vw, 29px); font-weight: 500; line-height: 1.36; }
.story-copy > p:not(.lead) { color: #55584f; font-size: 14px; line-height: 1.8; }
.brand-pillars { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 32px; }
.brand-pillars span { padding: 9px 12px; border: 1px solid var(--line-dark); font-size: 9px; font-weight: 700; letter-spacing: .16em; text-transform: uppercase; }
.marquee { width: calc(100% + clamp(56px, 16vw, 248px)); margin: clamp(70px, 8vw, 120px) calc(clamp(28px, 8vw, 124px) * -1) calc(clamp(95px, 12vw, 180px) * -1); overflow: hidden; border-top: 1px solid var(--line-dark); border-bottom: 1px solid var(--line-dark); white-space: nowrap; }
.marquee-track { display: flex; width: max-content; animation: marqueeContinuous 26s linear infinite; will-change: transform; }
.marquee-track span { display: inline-block; padding: 18px 0; font-family: var(--display); font-size: 25px; letter-spacing: .08em; color: var(--olive-dark); flex-shrink: 0; }

.product-section { overflow: hidden; }
.product-stage { margin-top: 55px; display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(340px, .75fr); gap: clamp(50px, 8vw, 130px); align-items: center; }
.product-visual { position: relative; min-height: 650px; display: grid; place-items: center; }
.product-visual::before { content: "SIGMA"; position: absolute; left: 50%; top: 50%; font-family: var(--display); font-size: clamp(140px, 19vw, 320px); color: rgba(238,233,221,.035); transform: translate(-50%,-50%); }
.product-visual > img { position: relative; z-index: 2; width: 100%; max-height: 620px; object-fit: contain; mix-blend-mode: screen; transition: opacity .28s, transform .45s; }
.product-orbit { position: absolute; width: min(52vw, 650px); aspect-ratio: 1; border: 1px solid rgba(190,196,109,.18); border-radius: 50%; }
.product-orbit::before, .product-orbit::after { content: ""; position: absolute; inset: 12%; border: 1px solid rgba(190,196,109,.1); border-radius: 50%; }
.product-orbit::after { inset: 26%; }
.color-switch { position: absolute; z-index: 10; right: clamp(14px, 3vw, 28px); bottom: clamp(14px, 3vw, 28px); top: auto; left: auto; display: flex; align-items: center; gap: 11px; padding: 8px 16px 8px 12px; background: rgba(8, 9, 7, .84); border: 1px solid var(--line-light); backdrop-filter: blur(14px); border-radius: 999px; box-shadow: 0 10px 30px rgba(0,0,0,.6); }
.color-dot { width: 26px; height: 26px; padding: 0; border: 6px solid var(--ink); outline: 1px solid rgba(238,233,221,.3); border-radius: 50%; background: var(--swatch); cursor: pointer; }
.color-dot.is-active { outline-color: var(--olive-light); box-shadow: 0 0 0 3px rgba(190,196,109,.12); }
.color-switch span { margin-left: 8px; color: var(--muted); font-size: 9px; letter-spacing: .14em; text-transform: uppercase; }
.product-copy h2 em { color: var(--olive-light); -webkit-text-stroke: 0; }
.product-copy > p:not(.kicker) { max-width: 510px; color: var(--muted); font-size: 14px; line-height: 1.8; }
.spec-stack { margin: 40px 0 34px; border-top: 1px solid var(--line-light); }
.spec-stack article { display: grid; grid-template-columns: 125px 1fr; gap: 24px; align-items: center; padding: 18px 12px; border-bottom: 1px solid var(--line-light); transition: background .25s ease, padding-left .25s ease, border-color .25s ease; border-radius: 4px; }
.spec-stack article:hover { background: rgba(190, 196, 109, .06); padding-left: 18px; border-bottom-color: var(--olive-light); }
.spec-stack strong { font-family: var(--display); font-size: 52px; font-weight: 400; line-height: 1; color: var(--paper); }
.spec-stack small { margin-left: 4px; color: var(--olive-light); font-size: 22px; }
.spec-stack span { color: var(--muted); font-size: 12px; line-height: 1.5; }
.text-link { display: inline-flex; gap: 40px; padding-bottom: 7px; border-bottom: 1px solid var(--olive-light); color: var(--paper); font-size: 11px; font-weight: 700; letter-spacing: .12em; text-decoration: none; text-transform: uppercase; }

.details-heading { display: flex; justify-content: space-between; gap: 30px; align-items: flex-start; }
.details-heading h2 { max-width: 800px; text-align: right; }
.details-heading h2 em { color: var(--olive-dark); -webkit-text-stroke: 0; }
.details-grid { margin-top: 70px; display: grid; grid-template-columns: 1.1fr 1fr; grid-template-rows: repeat(2, minmax(270px, 1fr)); gap: 18px; }
.detail-card { position: relative; min-height: 300px; overflow: hidden; background: var(--ink); }
.detail-card-tall { grid-row: 1 / 3; }
.detail-card img { width: 100%; height: 100%; object-fit: cover; transition: transform .7s cubic-bezier(.2,.8,.2,1); }
.detail-card:hover img { transform: scale(1.045); }
.detail-card::after { content: ""; position: absolute; inset: 0; background: linear-gradient(0deg, rgba(5,6,4,.93), transparent 60%); }
.detail-card > div { position: absolute; z-index: 2; left: 24px; right: 24px; bottom: 24px; color: var(--paper); }
.detail-card > div > span { color: var(--olive-light); font-size: 9px; letter-spacing: .15em; }
.detail-card h3 { margin: 7px 0 6px; font-family: var(--display); font-size: clamp(27px, 3vw, 42px); font-weight: 400; letter-spacing: .025em; text-transform: uppercase; }
.detail-card p { max-width: 390px; margin: 0; color: rgba(238,233,221,.68); font-size: 11px; line-height: 1.6; }
.equipment-strip { margin-top: 18px; display: grid; grid-template-columns: repeat(5, 1fr); border: 1px solid var(--line-dark); }
.equipment-strip span { min-height: 82px; padding: 17px; display: grid; place-items: center; border-right: 1px solid var(--line-dark); color: #494c44; font-size: 10px; font-weight: 700; line-height: 1.45; text-align: center; text-transform: uppercase; transition: background .25s ease, color .25s ease, transform .25s ease; cursor: default; }
.equipment-strip span:hover { background: rgba(142, 147, 82, .15); color: var(--ink); transform: translateY(-2px); }
.equipment-strip span:last-child { border: 0; }

.brand-proof { display: grid; grid-template-columns: 1.05fr .95fr; min-height: 760px; background: var(--olive-dark); }
.proof-photo { min-height: 650px; margin: 0; overflow: hidden; }
.proof-photo img { width: 100%; height: 100%; object-fit: cover; filter: saturate(.65) contrast(1.06); }
.proof-copy { padding: clamp(70px, 9vw, 140px); display: flex; flex-direction: column; justify-content: center; }
.proof-copy h2 { font-size: clamp(52px, 5.8vw, 98px); }
.proof-copy h2 em { color: var(--olive-light); -webkit-text-stroke: 0; }
.proof-copy > p:not(.kicker) { max-width: 560px; color: rgba(238,233,221,.68); font-size: 14px; line-height: 1.8; }
.proof-list { margin-top: 34px; border-top: 1px solid rgba(238,233,221,.2); }
.proof-list div { display: grid; grid-template-columns: 46px 1fr; padding: 16px 12px; border-bottom: 1px solid rgba(238,233,221,.2); transition: background .25s ease, padding-left .25s ease; }
.proof-list div:hover { background: rgba(238, 233, 221, .06); padding-left: 18px; }
.proof-list strong { color: var(--olive-light); font-size: 10px; }
.proof-list span { font-family: var(--display); font-size: 23px; letter-spacing: .04em; text-transform: uppercase; }

.dealer-section { display: grid; grid-template-columns: .9fr 1.1fr; gap: clamp(70px, 12vw, 180px); align-items: center; }
.dealer-heading h2 em { color: var(--olive-dark); -webkit-text-stroke: 0; }
.dealer-heading > p:last-child { max-width: 570px; color: #55584f; font-size: 14px; line-height: 1.8; }
.dealer-card { position: relative; min-height: 540px; padding: clamp(38px, 5vw, 72px); display: flex; flex-direction: column; justify-content: flex-end; overflow: hidden; color: var(--paper); background: var(--ink); }
.dealer-card::before { content: ""; position: absolute; inset: 0; opacity: .14; background-image: linear-gradient(rgba(190,196,109,.35) 1px, transparent 1px), linear-gradient(90deg, rgba(190,196,109,.35) 1px, transparent 1px); background-size: 52px 52px; mask-image: linear-gradient(to bottom, #000, transparent 80%); }
.energy-route { position: absolute; top: 60px; left: 60px; right: 60px; height: 120px; border-top: 1px solid var(--olive); transform: skewY(-7deg); }
.energy-route::before { content: ""; position: absolute; left: 35%; top: -1px; width: 35%; height: 80px; border-left: 1px solid var(--olive); border-bottom: 1px solid var(--olive); }
.energy-route i { position: absolute; top: -4px; width: 8px; height: 8px; border-radius: 50%; background: var(--olive-light); box-shadow: 0 0 18px var(--olive); }
.energy-route i:nth-child(1) { left: 0; }.energy-route i:nth-child(2) { left: 35%; }.energy-route i:nth-child(3) { right: 0; }
.dealer-number { position: relative; margin: 0 0 auto; font-family: var(--display); font-size: 38px; color: var(--olive-light); }
.dealer-card h3 { position: relative; margin: 0 0 18px; max-width: 600px; font-family: var(--display); font-size: clamp(36px, 4.2vw, 62px); font-weight: 400; line-height: .92; text-transform: uppercase; }
.dealer-card > p:not(.dealer-number) { position: relative; max-width: 540px; margin: 0 0 28px; color: var(--muted); font-size: 13px; line-height: 1.7; }
.dealer-card .button { position: relative; align-self: flex-start; color: var(--ink); background: var(--olive-light); }

.faq-section { display: grid; grid-template-columns: .75fr 1.25fr; gap: clamp(70px, 12vw, 180px); }
.faq-heading { position: sticky; top: 120px; align-self: start; }
.faq-heading h2 { margin-top: 42px; font-size: clamp(52px, 5.8vw, 98px); }
.faq-heading h2 em { color: var(--olive-light); -webkit-text-stroke: 0; }
.faq-heading p { color: var(--muted); font-size: 13px; line-height: 1.7; }
.faq-list { border-top: 1px solid var(--line-light); }
.faq-list details { border-bottom: 1px solid var(--line-light); transition: background .3s ease; }
.faq-list details[open] { background: rgba(238,233,221,.025); }
.faq-list summary { min-height: 68px; display: grid; grid-template-columns: 1fr 28px; gap: 20px; align-items: center; cursor: pointer; list-style: none; font-family: var(--body); font-size: clamp(16px, 1.3vw, 20px); font-weight: 700; letter-spacing: 0; text-transform: none; transition: color .25s ease; padding: 12px 0; }
.faq-list summary:hover { color: var(--olive-light); }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary span { color: var(--olive-light); font-family: var(--body); font-size: 22px; transition: transform .3s cubic-bezier(.2,.8,.2,1); }
.faq-list details[open] summary span { transform: rotate(45deg); color: var(--paper); }
.faq-list details p { max-width: 720px; margin: -4px 50px 24px 0; color: var(--muted); font-size: 13px; line-height: 1.75; animation: faqFadeIn .3s ease forwards; }
@keyframes faqFadeIn { from { opacity: 0; transform: translateY(-6px); } to { opacity: 1; transform: translateY(0); } }

.contact-section { padding: clamp(90px, 11vw, 170px) clamp(28px, 8vw, 124px); display: grid; grid-template-columns: .85fr 1.15fr; gap: clamp(70px, 11vw, 160px); color: var(--ink); background: var(--olive-light); }
.contact-copy h2 { font-size: clamp(52px, 5.8vw, 98px); }
.contact-copy h2 em { color: var(--olive-dark); -webkit-text-stroke: 0; }
.contact-copy > p:not(.kicker) { max-width: 520px; color: #4d503e; font-size: 13px; line-height: 1.75; }
.contact-links { display: flex; flex-direction: column; gap: 12px; margin-top: 32px; }
.download-card { max-width: 460px; margin-top: 0; padding: 18px; display: grid; grid-template-columns: 50px 1fr; gap: 15px; align-items: center; color: var(--paper); background: var(--ink); text-decoration: none; border: 1px solid transparent; transition: transform .25s ease, border-color .25s ease, background .25s ease; }
.download-card:hover { transform: translateY(-3px); border-color: var(--olive-light); background: #131510; }
.download-icon { width: 50px; height: 50px; display: grid; place-items: center; border: 1px solid var(--line-light); color: var(--olive-light); font-size: 25px; }
.download-card.map-shortcut .download-icon { color: var(--paper); border-color: var(--olive-light); font-size: 20px; }
.download-card strong { display: block; font-family: var(--display); font-size: 22px; font-weight: 400; letter-spacing: .04em; text-transform: uppercase; }
.download-card small { display: block; margin-top: 4px; color: var(--muted); font-size: 9px; letter-spacing: .08em; text-transform: uppercase; }
.contact-form { padding: clamp(30px, 4.5vw, 64px); background: var(--paper); box-shadow: 0 24px 60px rgba(36,40,24,.18); }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.contact-form label { display: grid; gap: 9px; margin-bottom: 20px; color: #4d5047; font-size: 9px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; }
.contact-form input, .contact-form select, .contact-form textarea { width: 100%; border: 0; border-bottom: 1px solid #a2a494; border-radius: 0; outline: 0; color: var(--ink); background: transparent; font-size: 14px; text-transform: none; }
.contact-form input, .contact-form select { height: 48px; }
.contact-form textarea { padding: 13px 0; resize: vertical; }
.contact-form input:focus, .contact-form select:focus, .contact-form textarea:focus { border-color: var(--olive-dark); box-shadow: 0 1px 0 var(--olive-dark); }
.consent { display: flex !important; grid-template-columns: 18px 1fr; align-items: center; font-weight: 500 !important; letter-spacing: 0 !important; text-transform: none !important; }
.consent input { width: 16px; height: 16px; margin: 0; accent-color: var(--olive-dark); }
.form-submit { width: 100%; border: 0; }
.form-status { min-height: 18px; margin: 12px 0 0; color: #596033; font-size: 11px; }

.site-footer { padding: 60px clamp(28px, 8vw, 124px) 30px; display: grid; grid-template-columns: 1fr auto; gap: 26px 40px; align-items: center; border-top: 1px solid var(--line-light); }
.footer-brand { position: relative; width: 156px; display: flex; align-items: center; }
.footer-brand img { width: 100%; height: auto; display: block; }
.site-footer > p { justify-self: end; color: var(--olive-light); font-family: var(--display); font-size: 22px; letter-spacing: .08em; text-transform: uppercase; }
.site-footer nav { display: flex; gap: 28px; }
.site-footer nav a { color: var(--muted); font-size: 9px; font-weight: 700; letter-spacing: .13em; text-decoration: none; text-transform: uppercase; }
.site-footer small { justify-self: end; color: #60645b; font-size: 9px; letter-spacing: .1em; text-transform: uppercase; }

.reveal { opacity: 0; transform: translateY(28px); transition: opacity .8s ease, transform .8s cubic-bezier(.2,.8,.2,1); }
.reveal.is-visible { opacity: 1; transform: none; }

@keyframes scan { 0% { transform: translateX(-100%); } 60%,100% { transform: translateX(100%); } }
@keyframes marqueeContinuous { 0% { transform: translateX(0); } 100% { transform: translateX(-50%); } }
@keyframes marquee { to { transform: translateX(-50%); } }

@media (max-width: 1050px) {
  .main-menu { gap: 18px; }
  .main-menu > a:not(.nav-cta) { display: none; }
  .hero-content { width: min(700px, 70vw); }
  .hero-data { right: 26px; }
  .hero-data div { min-width: 125px; padding: 14px; }
  .story-grid, .product-stage, .dealer-section, .faq-section, .contact-section { grid-template-columns: 1fr; }
  .story-copy { max-width: 650px; }
  .product-visual { min-height: 520px; }
  .faq-heading { position: static; }
  .brand-proof { grid-template-columns: 1fr; }
  .proof-photo { min-height: 520px; max-height: 75vh; }
  .equipment-strip { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 720px) {
  [id] { scroll-margin-top: 74px; }
  .site-nav, .site-nav.is-scrolled { z-index: 300; height: 72px; padding: 0 18px; border-color: var(--line-light); background: #080907; backdrop-filter: none; box-shadow: 0 10px 30px rgba(0,0,0,.22); }
  .nav-brand, .site-nav.is-scrolled .nav-brand { z-index: 302; width: 130px; height: auto; overflow: visible; }
  .nav-brand img { width: 100%; height: auto; }
  .menu-button { position: relative; z-index: 302; width: 44px; height: 44px; padding: 11px; display: grid; align-content: center; gap: 5px; cursor: pointer; }
  .menu-button > span:not(.sr-only) { height: 1px; background: var(--paper); transition: transform .25s, opacity .25s; }
  .menu-button[aria-expanded="true"] > span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
  .menu-button[aria-expanded="true"] > span:nth-child(2) { opacity: 0; }
  .menu-button[aria-expanded="true"] > span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }
  .main-menu { position: fixed; z-index: 301; inset: 0; padding: 104px 24px 34px; display: flex; flex-direction: column; align-items: stretch; justify-content: center; gap: 0; background: rgba(8,9,7,.98); backdrop-filter: blur(20px); transform: translateX(100%); visibility: hidden; pointer-events: none; transition: transform .35s cubic-bezier(.2,.8,.2,1), visibility .35s; }
  .main-menu.is-open { transform: none; visibility: visible; pointer-events: auto; }
  .main-menu > a:not(.nav-cta) { display: block; padding: 15px 0; border-bottom: 1px solid var(--line-light); font-family: var(--display); font-size: clamp(27px, 8vw, 32px); font-weight: 400; transition: color .2s ease; }
  .main-menu > a:not(.nav-cta):active { color: var(--olive-light); }
  .nav-cta { margin-top: 28px; text-align: center; }
  .hero { min-height: 700px; }
  .hero-video { object-position: 60% center; }
  .hero-shade { background: linear-gradient(0deg, rgba(5,6,4,.96) 0%, rgba(5,6,4,.64) 53%, rgba(5,6,4,.2) 100%), linear-gradient(90deg, rgba(5,6,4,.65), transparent); }
  .hero::after { inset: 10px; }
  .hero-content { width: auto; margin: auto 20px 175px; padding: 0; align-self: flex-end; }
  .hero h1 { font-size: clamp(44px, 12.5vw, 60px); line-height: .86; }
  .hero-copy { margin-top: 16px; font-size: 14px; line-height: 1.6; }
  .hero-actions { margin-top: 20px; display: flex; flex-direction: column; gap: 10px; width: 100%; }
  .button { min-height: 52px; font-size: 18px; padding: 0 18px; justify-content: center; gap: 16px; }
  .button-ghost { display: inline-flex; }
  .hero-data { left: 18px; right: 18px; bottom: 24px; grid-template-columns: repeat(3, 1fr); border-radius: 4px; }
  .hero-data div { min-width: 0; padding: 11px 6px; text-align: center; }
  .hero-data strong { font-size: 16px; line-height: 1.1; }
  .hero-data span { display: block; margin-top: 4px; color: var(--muted); font-size: 8px; letter-spacing: .08em; text-transform: uppercase; }
  .scroll-cue { display: none; }
  .section, .section-dark { padding: 64px 18px; }
  .story-grid { margin-top: 36px; gap: 35px; }
  .section h2, .section-dark h2, .brand-proof h2, .contact-section h2 { font-size: clamp(38px, 10.5vw, 52px); line-height: .88; }
  .story-copy .lead { font-size: 18px; }
  .marquee { width: calc(100% + 36px); margin-left: -18px; margin-right: -18px; }
  .product-stage { margin-top: 30px; gap: 40px; }
  .product-visual { min-height: clamp(280px, 84vw, 380px); }
  .product-orbit { width: 92vw; }
  .color-switch { right: 12px; bottom: 12px; top: auto; left: auto; padding: 7px 13px 7px 10px; }
  .spec-stack article { grid-template-columns: 85px 1fr; gap: 16px; }
  .spec-stack strong { font-size: 38px; }
  .details-heading { display: block; }
  .details-heading h2 { margin-top: 24px; text-align: left; }
  .details-grid { margin-top: 36px; grid-template-columns: 1fr; grid-template-rows: none; }
  .detail-card, .detail-card-tall { min-height: 380px; grid-row: auto; }
  .equipment-strip { grid-template-columns: 1fr 1fr; }
  .equipment-strip span:nth-child(even) { border-right: 0; }
  .equipment-strip span:nth-child(5) {
    grid-column: 1 / -1;
    border-right: 0;
    border-top: 1px solid var(--line-dark);
  }
  .proof-photo { min-height: 380px; }
  .proof-copy { padding: 60px 18px; }
  .dealer-card { min-height: 520px; padding: 28px 20px; }
  .energy-route { left: 20px; right: 20px; }
  .faq-heading h2 { margin-top: 24px; }
  .faq-list summary { min-height: 58px; font-size: 15px; }
  .faq-list details p { margin: -4px 24px 22px 0; font-size: 13px; }
  .contact-section { padding: 64px 18px; }
  .field-row { grid-template-columns: 1fr; gap: 0; }
  .contact-form { padding: 24px 18px; }
  .contact-form input, .contact-form select, .contact-form textarea { font-size: 16px; }
  .site-footer { grid-template-columns: 1fr; padding: 45px 20px 28px; }
  .site-footer > p, .site-footer small { justify-self: start; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}