:root {
  --ink: #171a16;
  --paper: #f2f0e9;
  --white: #fbfaf6;
  --green: #28752b;
  --green-dark: #174b1f;
  --line: rgba(23, 26, 22, .2);
  --muted: #62675f;
  --max: 1320px;
  --serif: Georgia, "Times New Roman", serif;
  --sans: Inter, Arial, Helvetica, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: var(--sans); font-size: 16px; }
img { display: block; width: 100%; object-fit: cover; }
button, input, select, textarea { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
a { color: inherit; text-decoration: none; }
.wrap { width: min(calc(100% - 56px), var(--max)); margin: 0 auto; }
.eyebrow { margin: 0 0 14px; color: var(--green); font-size: 12px; font-weight: 750; letter-spacing: .16em; text-transform: uppercase; }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { font-family: var(--serif); font-weight: 400; }
h2 { margin-bottom: 18px; font-size: clamp(38px, 4.4vw, 66px); line-height: .99; letter-spacing: -.04em; }
.lead { color: var(--muted); font-size: 18px; line-height: 1.65; }
.btn { display: inline-flex; min-height: 48px; align-items: center; justify-content: center; padding: 0 24px; border: 1px solid var(--green); background: var(--green); color: #fff; cursor: pointer; font-size: 13px; font-weight: 750; letter-spacing: .04em; text-transform: uppercase; transition: .2s ease; }
.btn:hover, .btn:focus-visible { background: var(--green-dark); border-color: var(--green-dark); transform: translateY(-1px); }
.btn.light { border-color: #fff; background: #fff; color: var(--ink); }
.text-link { display: inline-flex; align-items: center; gap: 9px; padding-bottom: 5px; border-bottom: 1px solid currentColor; font-size: 13px; font-weight: 750; text-transform: uppercase; }
.skip-link { position: fixed; left: 16px; top: -80px; z-index: 100; padding: 10px 14px; background: #fff; }
.skip-link:focus { top: 16px; }

.site-header { position: absolute; inset: 0 0 auto; z-index: 20; border-bottom: 1px solid rgba(255,255,255,.26); color: #fff; }
.header-row { min-height: 78px; display: flex; align-items: center; gap: 36px; }
.brand { font-family: var(--serif); font-size: 27px; letter-spacing: -.04em; white-space: nowrap; }
.brand span { color: #87bc75; }
.main-nav { display: flex; align-items: center; gap: 27px; margin-left: auto; font-size: 13px; }
.main-nav a { opacity: .9; }
.main-nav a:hover { opacity: 1; }
.header-cta { min-height: 40px; padding: 0 17px; border-color: #fff; background: transparent; }
.menu-toggle { display: none; width: 43px; height: 43px; margin-left: auto; border: 1px solid rgba(255,255,255,.5); background: transparent; color: #fff; cursor: pointer; font-size: 0; }
.menu-toggle::before, .menu-toggle::after { content: ""; display: block; width: 19px; height: 1px; margin: 6px auto; background: currentColor; }

.hero { min-height: 720px; position: relative; display: flex; align-items: flex-end; overflow: hidden; color: #fff; }
.hero-media { position: absolute; inset: 0; }
.hero-media img { height: 100%; }
.hero-media::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(8,12,9,.82) 0%, rgba(8,12,9,.48) 37%, rgba(8,12,9,.05) 70%), linear-gradient(0deg, rgba(7,10,8,.58), transparent 46%); }
.hero-content { position: relative; z-index: 2; max-width: 720px; padding: 176px 0 86px; }
.hero h1 { max-width: 690px; margin-bottom: 24px; font-size: clamp(60px, 7.2vw, 108px); line-height: .88; letter-spacing: -.065em; }
.hero p:not(.eyebrow) { max-width: 610px; margin-bottom: 31px; font-size: 18px; line-height: 1.6; }
.hero-actions { display: flex; align-items: center; gap: 27px; }
.hero .text-link { color: #fff; }
.hero-index { position: absolute; right: max(28px, calc((100vw - var(--max)) / 2)); bottom: 44px; z-index: 3; color: rgba(255,255,255,.72); font-family: var(--serif); font-size: 18px; }

.anchor-bar { position: sticky; top: 0; z-index: 15; background: rgba(242,240,233,.96); border-bottom: 1px solid var(--line); backdrop-filter: blur(12px); }
.anchor-row { height: 58px; display: flex; align-items: center; gap: 28px; overflow-x: auto; scrollbar-width: none; }
.anchor-row::-webkit-scrollbar { display: none; }
.anchor-row a { color: #535850; font-size: 12px; font-weight: 700; white-space: nowrap; }
.anchor-row a:hover { color: var(--green); }

.intro { padding: 74px 0 64px; }
.intro-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 72px; align-items: start; }
.intro h2 { max-width: 620px; }
.intro-copy { max-width: 650px; padding-top: 10px; }
.intro-copy .lead { margin-bottom: 28px; }
.principles { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); }
.principle { padding: 22px 18px 0 0; }
.principle + .principle { padding-left: 18px; border-left: 1px solid var(--line); }
.principle strong { display: block; margin-bottom: 8px; font-family: var(--serif); font-size: 22px; font-weight: 400; }
.principle span { color: var(--muted); font-size: 13px; line-height: 1.55; }

.applications { padding: 66px 0 72px; background: var(--white); }
.section-head { display: flex; align-items: end; justify-content: space-between; gap: 35px; margin-bottom: 32px; }
.section-head h2 { max-width: 780px; margin-bottom: 0; }
.section-head p { max-width: 420px; margin-bottom: 4px; color: var(--muted); line-height: 1.6; }
.application-grid { display: grid; grid-template-columns: 1.2fr .8fr .8fr; gap: 14px; }
.application-card { min-height: 490px; position: relative; overflow: hidden; background: #282b27; color: #fff; }
.application-card img { height: 100%; position: absolute; inset: 0; transition: transform .55s ease; }
.application-card:hover img { transform: scale(1.025); }
.application-card::after { content: ""; position: absolute; inset: 0; background: linear-gradient(0deg, rgba(6,9,7,.78), transparent 68%); }
.application-card:nth-child(2) img { object-position: 63% center; }
.application-card:nth-child(3) img { object-position: 85% center; }
.card-copy { position: absolute; left: 25px; right: 25px; bottom: 23px; z-index: 2; }
.card-copy .num { display: block; margin-bottom: 9px; font-size: 11px; letter-spacing: .12em; }
.card-copy h3 { margin-bottom: 7px; font-size: 29px; line-height: 1.04; }
.card-copy p { max-width: 370px; margin: 0; color: rgba(255,255,255,.76); font-size: 13px; line-height: 1.55; }

.details { padding: 78px 0; }
.details-grid { display: grid; grid-template-columns: 1.06fr .94fr; gap: 70px; align-items: center; }
.detail-image { min-height: 620px; position: relative; overflow: hidden; }
.detail-image img { height: 100%; position: absolute; inset: 0; object-position: 72% center; }
.detail-image::after { content: ""; position: absolute; inset: 0; background: linear-gradient(0deg, rgba(6,9,7,.36), transparent 44%); }
.detail-note { position: absolute; left: 22px; bottom: 19px; z-index: 2; color: #fff; font-size: 12px; }
.details-copy h2 { max-width: 590px; }
.details-copy > p { max-width: 590px; color: var(--muted); line-height: 1.68; }
.detail-list { margin: 31px 0 0; border-top: 1px solid var(--line); }
.detail-item { display: grid; grid-template-columns: 42px 1fr; gap: 13px; padding: 20px 0; border-bottom: 1px solid var(--line); }
.detail-item .num { color: var(--green); font: 18px var(--serif); }
.detail-item h3 { margin-bottom: 5px; font: 21px var(--serif); }
.detail-item p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.55; }

.materials { padding: 72px 0; background: #1a211b; color: #fff; }
.materials-layout { display: grid; grid-template-columns: .78fr 1.22fr; gap: 70px; align-items: center; }
.materials h2 { max-width: 540px; }
.materials-copy > p:not(.eyebrow) { max-width: 530px; color: rgba(255,255,255,.68); line-height: 1.7; }
.material-tags { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 28px; }
.material-tags span { padding: 10px 13px; border: 1px solid rgba(255,255,255,.25); color: rgba(255,255,255,.84); font-size: 12px; }
.materials-image { display: grid; grid-template-columns: 1fr .48fr; gap: 12px; min-height: 440px; }
.materials-image img { height: 100%; min-height: 440px; }
.materials-image img:last-child { filter: saturate(.75); }

.process { padding: 74px 0; background: var(--white); }
.process h2 { max-width: 810px; }
.process-grid { display: grid; grid-template-columns: repeat(5, 1fr); margin-top: 35px; border-top: 1px solid var(--line); }
.step { min-height: 190px; padding: 21px 18px 0; border-right: 1px solid var(--line); }
.step:first-child { padding-left: 0; }
.step:last-child { border-right: 0; }
.step .num { display: block; margin-bottom: 35px; color: var(--green); font: 18px var(--serif); }
.step h3 { margin-bottom: 7px; font-size: 20px; }
.step p { margin: 0; color: var(--muted); font-size: 12px; line-height: 1.55; }

.fee { padding: 74px 0; }
.fee-layout { display: grid; grid-template-columns: .78fr 1.22fr; gap: 38px; align-items: center; }
.fee-intro h2 { max-width: 500px; }
.fee-intro > p { max-width: 510px; color: var(--muted); line-height: 1.65; }
.video-frame { position: relative; margin-top: 23px; overflow: hidden; background: #222; }
.video-frame img { aspect-ratio: 16 / 8.6; }
.video-frame::after { content: ""; position: absolute; inset: 0; background: linear-gradient(0deg, rgba(5,8,6,.45), transparent 55%); }
.play { position: absolute; left: 50%; top: 50%; z-index: 2; width: 58px; height: 58px; display: grid; place-items: center; transform: translate(-50%,-50%); border: 1px solid rgba(255,255,255,.6); border-radius: 50%; background: rgba(15,18,15,.48); color: #fff; font-size: 18px; }
.video-label { position: absolute; left: 18px; bottom: 15px; z-index: 2; color: #fff; font-size: 11px; }
.price-panel { padding: 39px 42px 35px; border: 1px solid #62665f; background: rgba(255,255,255,.2); }
.price-head { display: flex; align-items: start; justify-content: space-between; gap: 25px; }
.price-head h3 { margin-bottom: 6px; font-size: 39px; letter-spacing: -.03em; }
.price-head p { color: var(--muted); font-size: 13px; }
.unit-control { display: flex; align-items: center; gap: 13px; }
.currency { padding-right: 12px; border-right: 1px solid var(--line); font-size: 11px; font-weight: 750; }
.unit-toggle { display: flex; border: 1px solid var(--line); }
.unit-toggle button { min-width: 57px; height: 37px; padding: 0 10px; border: 0; background: transparent; color: var(--ink); cursor: pointer; font-size: 12px; }
.unit-toggle button.active { background: var(--ink); color: #fff; }
.tiers { display: grid; grid-template-columns: repeat(3, 1fr); margin: 25px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.tier { padding: 24px 18px 20px 0; }
.tier + .tier { padding-left: 20px; border-left: 1px solid var(--line); }
.range { min-height: 32px; display: block; font-size: 12px; font-weight: 700; }
.price { display: flex; align-items: baseline; margin-top: 7px; color: var(--green); }
.price .sign { margin-right: 5px; font-size: 16px; font-weight: 700; }
.price strong { font: 54px var(--serif); font-weight: 400; letter-spacing: -.05em; }
.price small { color: var(--ink); font-size: 11px; font-weight: 700; }
.included { display: grid; grid-template-columns: 1fr 1fr; gap: 10px 35px; margin: 0 0 24px; padding: 0; list-style: none; }
.included li { position: relative; padding-left: 18px; font-size: 13px; }
.included li::before { content: ""; position: absolute; left: 0; top: 5px; width: 7px; height: 7px; background: var(--green); }
.fineprint { margin: 15px 0 0; color: var(--muted); font-size: 10px; line-height: 1.55; }

.faq { padding: 72px 0; background: var(--white); }
.faq-layout { display: grid; grid-template-columns: .72fr 1.28fr; gap: 78px; }
.faq-intro h2 { max-width: 440px; }
.faq-intro p { max-width: 380px; color: var(--muted); line-height: 1.65; }
.faq-list { border-top: 1px solid var(--line); }
.faq-item { border-bottom: 1px solid var(--line); }
.faq-question { width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 30px; padding: 20px 0; border: 0; background: none; color: var(--ink); text-align: left; cursor: pointer; font: 20px var(--serif); }
.faq-question span:last-child { color: var(--green); font: 25px var(--sans); transition: transform .2s; }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height .3s ease; }
.faq-answer p { max-width: 750px; margin: 0; padding: 0 40px 20px 0; color: var(--muted); font-size: 14px; line-height: 1.7; }
.faq-item.open .faq-answer { max-height: 220px; }
.faq-item.open .faq-question span:last-child { transform: rotate(45deg); }

.related { padding: 67px 0; }
.related h2 { font-size: clamp(36px, 4vw, 56px); }
.related-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-top: 27px; }
.related-card { min-height: 180px; display: flex; flex-direction: column; justify-content: space-between; padding: 21px; border: 1px solid var(--line); transition: .2s ease; }
.related-card:hover { border-color: var(--green); background: var(--white); transform: translateY(-2px); }
.related-card small { color: var(--green); font-size: 10px; font-weight: 750; letter-spacing: .12em; text-transform: uppercase; }
.related-card h3 { margin: 0; font-size: 27px; }

.inquiry { padding: 73px 0; background: #fff; }
.inquiry-grid { display: grid; grid-template-columns: .7fr 1.3fr; gap: 78px; align-items: start; }
.inquiry-intro { position: sticky; top: 90px; }
.inquiry-intro h2 { max-width: 520px; }
.inquiry-intro p { max-width: 450px; color: var(--muted); line-height: 1.7; }
.contact-note { margin-top: 32px; padding-top: 19px; border-top: 1px solid var(--line); color: var(--muted); font-size: 12px; line-height: 1.65; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px 16px; }
.field.full { grid-column: 1 / -1; }
.field label { display: block; margin-bottom: 8px; font-size: 14px; }
.required { color: #c83d36; }
.optional { color: #83877f; font-size: 11px; }
.field input, .field select, .field textarea { width: 100%; border: 1px solid #d3d6d0; border-radius: 0; background: #fff; color: var(--ink); outline: 0; }
.field input, .field select { height: 47px; padding: 0 14px; }
.field textarea { min-height: 105px; padding: 13px 14px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--green); box-shadow: 0 0 0 2px rgba(40,117,43,.1); }
.phone-wrap { display: grid; grid-template-columns: 85px 1fr; }
.phone-wrap select { border-right: 0; }
.iti { width: 100%; }
.iti .iti__tel-input { width: 100%; padding-left: 104px !important; }
.iti__selected-country { min-width: 94px; padding: 0 12px; border-right: 1px solid #d3d6d0; background: #fafafa; }
.iti__selected-dial-code { color: var(--ink); font-size: 13px; }
.iti__country-container { z-index: 8; }
.iti__dropdown-content { min-width: 310px; max-width: min(390px, calc(100vw - 32px)); border: 1px solid #bfc3bc; border-radius: 0; box-shadow: 0 14px 34px rgba(21, 28, 22, .16); }
.iti__search-input { border-radius: 0 !important; }
.iti__country-name, .iti__dial-code { font-size: 13px; }
.file-input { position: absolute; width: 1px !important; height: 1px !important; opacity: 0; overflow: hidden; }
.file-box { min-height: 76px; display: flex; align-items: center; gap: 14px; padding: 14px; border: 1px dashed #8c9288; cursor: pointer; }
.file-action { padding: 9px 13px; background: #eef3ec; color: var(--green-dark); font-size: 12px; font-weight: 700; }
.file-name { color: var(--muted); font-size: 12px; }
.form-bottom { grid-column: 1 / -1; display: flex; align-items: center; gap: 20px; }
.privacy { max-width: 500px; margin: 0; color: var(--muted); font-size: 10px; line-height: 1.55; }
.form-status { grid-column: 1 / -1; display: none; padding: 13px 15px; background: #e8f2e5; color: var(--green-dark); font-size: 13px; }

.site-footer { padding: 42px 0 27px; background: #111713; color: #fff; }
.footer-top { display: grid; grid-template-columns: 1.5fr repeat(3, 1fr); gap: 55px; padding-bottom: 37px; }
.footer-brand p { max-width: 380px; margin-top: 17px; color: rgba(255,255,255,.57); font-size: 12px; line-height: 1.7; }
.footer-col strong { display: block; margin-bottom: 14px; font-size: 11px; letter-spacing: .12em; text-transform: uppercase; }
.footer-col a { display: block; margin: 9px 0; color: rgba(255,255,255,.63); font-size: 12px; }
.footer-bottom { display: flex; justify-content: space-between; padding-top: 20px; border-top: 1px solid rgba(255,255,255,.15); color: rgba(255,255,255,.45); font-size: 10px; }

.hub { min-height: 100vh; padding: 72px 0; }
.hub-head { display: flex; justify-content: space-between; gap: 60px; align-items: end; margin-bottom: 42px; }
.hub-head h1 { max-width: 790px; margin: 0; font-size: clamp(54px, 7vw, 104px); line-height: .88; letter-spacing: -.06em; }
.hub-head p { max-width: 390px; margin: 0 0 4px; color: var(--muted); line-height: 1.65; }
.hub-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.hub-card { min-height: 440px; position: relative; overflow: hidden; color: #fff; }
.hub-card img { position: absolute; inset: 0; height: 100%; }
.hub-card::after { content: ""; position: absolute; inset: 0; background: linear-gradient(0deg, rgba(4,7,5,.78), transparent 70%); }
.hub-copy { position: absolute; left: 28px; right: 28px; bottom: 26px; z-index: 2; }
.hub-copy small { display: block; margin-bottom: 8px; color: #a5d198; font-size: 11px; font-weight: 750; letter-spacing: .13em; }
.hub-copy h2 { margin-bottom: 6px; font-size: 42px; }
.hub-copy p { max-width: 500px; margin: 0; color: rgba(255,255,255,.72); font-size: 13px; line-height: 1.55; }

.reveal { opacity: 0; transform: translateY(15px); transition: opacity .55s ease, transform .55s ease; }
.reveal.visible { opacity: 1; transform: none; }

@media (max-width: 980px) {
  .main-nav { position: fixed; inset: 78px 0 auto; display: none; padding: 25px 28px 30px; background: #111713; flex-direction: column; align-items: flex-start; gap: 20px; }
  .main-nav.open { display: flex; }
  .main-nav .header-cta { width: 100%; }
  .menu-toggle { display: block; }
  .hero { min-height: 670px; }
  .intro-grid, .details-grid, .materials-layout, .fee-layout, .faq-layout, .inquiry-grid { grid-template-columns: 1fr; gap: 42px; }
  .application-grid { grid-template-columns: 1fr 1fr; }
  .application-card:first-child { grid-column: 1 / -1; }
  .application-card { min-height: 430px; }
  .process-grid { grid-template-columns: repeat(3, 1fr); }
  .step { border-bottom: 1px solid var(--line); }
  .related-grid { grid-template-columns: 1fr 1fr; }
  .inquiry-intro { position: static; }
  .footer-top { grid-template-columns: 1.4fr 1fr 1fr; }
  .footer-col:last-child { grid-column: 2; }
}

@media (max-width: 680px) {
  .wrap { width: min(calc(100% - 32px), var(--max)); }
  .header-row { min-height: 70px; }
  .brand { font-size: 23px; }
  .main-nav { inset-block-start: 70px; }
  .hero { min-height: 610px; }
  .hero-media::after { background: linear-gradient(90deg, rgba(8,12,9,.83), rgba(8,12,9,.19)), linear-gradient(0deg, rgba(7,10,8,.63), transparent 55%); }
  .hero-content { padding: 145px 0 58px; }
  .hero h1 { margin-bottom: 19px; font-size: clamp(53px, 16vw, 72px); }
  .hero p:not(.eyebrow) { font-size: 15px; }
  .hero-actions { align-items: flex-start; flex-direction: column; gap: 18px; }
  .hero-index { display: none; }
  .anchor-row { gap: 21px; }
  .intro, .applications, .details, .materials, .process, .fee, .faq, .related, .inquiry { padding: 50px 0; }
  h2 { font-size: 43px; }
  .lead { font-size: 16px; }
  .intro-grid { gap: 23px; }
  .principles { grid-template-columns: 1fr; }
  .principle, .principle + .principle { padding: 17px 0; border-left: 0; border-bottom: 1px solid var(--line); }
  .section-head { align-items: flex-start; flex-direction: column; gap: 13px; }
  .application-grid { grid-template-columns: 1fr; }
  .application-card:first-child { grid-column: auto; }
  .application-card { min-height: 370px; }
  .detail-image { min-height: 460px; }
  .materials-image { grid-template-columns: 1fr; min-height: 0; }
  .materials-image img { min-height: 290px; }
  .materials-image img:last-child { display: none; }
  .process-grid { grid-template-columns: 1fr 1fr; }
  .step { min-height: 160px; padding: 17px 14px 15px 0; }
  .step .num { margin-bottom: 25px; }
  .step:nth-child(even) { padding-left: 14px; border-right: 0; }
  .price-panel { padding: 26px 20px; }
  .price-head { flex-direction: column; }
  .unit-control { width: 100%; justify-content: space-between; }
  .tiers { grid-template-columns: 1fr; }
  .tier, .tier + .tier { padding: 17px 0; border-left: 0; border-bottom: 1px solid var(--line); }
  .tier:last-child { border-bottom: 0; }
  .range { min-height: 0; }
  .price strong { font-size: 49px; }
  .included { grid-template-columns: 1fr; }
  .related-grid, .hub-grid { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .field.full, .form-bottom, .form-status { grid-column: auto; }
  .form-bottom { align-items: stretch; flex-direction: column; }
  .form-bottom .btn { width: 100%; }
  .footer-top { grid-template-columns: 1fr 1fr; gap: 30px; }
  .footer-brand { grid-column: 1 / -1; }
  .footer-col:last-child { grid-column: auto; }
  .footer-bottom { flex-direction: column; gap: 8px; }
  .hub { padding: 43px 0; }
  .hub-head { align-items: flex-start; flex-direction: column; gap: 24px; }
  .hub-head h1 { font-size: 59px; }
  .hub-card { min-height: 370px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
  .reveal { opacity: 1; transform: none; }
}