:root {
    --ink: #13242c;
    --muted: #61727b;
    --green: #1e6f5c;
    --green-light: #2c9c7c;
    --dark: #0f2b2a;
    --surface: #ffffff;
    --line: #dfe8e5;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: 'Montserrat', 'Inter', sans-serif; color: var(--ink); background: #f4f6f9; line-height: 1.6; }
a { color: inherit; }
.container { width: min(1180px, calc(100% - 48px)); margin: 0 auto; }

.site-header { position: sticky; top: 0; z-index: 20; background: linear-gradient(135deg, #0f2b2a, #1a4a3e); border-bottom: 1px solid rgba(44,156,124,.3); }
.header-inner { width: min(1500px, calc(100% - 48px)); min-height: 92px; display: flex; align-items: center; gap: 24px; }
.brand { margin-right: auto; display: flex; align-items: center; text-decoration: none; }
.brand img { width: 170px; height: 64px; object-fit: contain; filter: brightness(0) invert(1); }
.main-nav { display: flex; align-items: center; gap: 8px; }
.main-nav a { color: #e8f0ec; text-decoration: none; font-size: 12px; font-weight: 700; padding: 10px 12px; border-radius: 8px; white-space: nowrap; }
.main-nav a:hover, .main-nav a.active { background: rgba(44,156,124,.2); color: #fff; }
.header-phone { color: #fff; text-decoration: none; font-size: 13px; font-weight: 700; white-space: nowrap; }
.mobile-menu { display: none; position: relative; }
.mobile-menu summary { display: flex; align-items: center; gap: 8px; padding: 10px 12px; border: 1px solid rgba(255,255,255,.22); border-radius: 8px; color: #fff; cursor: pointer; font-size: 13px; font-weight: 800; list-style: none; }
.mobile-menu summary::-webkit-details-marker { display: none; }
.mobile-menu nav { position: absolute; top: calc(100% + 10px); right: 0; width: min(300px, calc(100vw - 32px)); padding: 9px; border: 1px solid rgba(255,255,255,.1); border-radius: 12px; background: #123832; box-shadow: 0 18px 40px rgba(0,0,0,.28); }
.mobile-menu nav a { display: flex; align-items: center; gap: 10px; padding: 12px; border-radius: 8px; color: #eef6f3; text-decoration: none; font-size: 13px; font-weight: 700; }
.mobile-menu nav a:hover, .mobile-menu nav a.active { background: rgba(44,156,124,.25); }

.page-hero { padding: 88px 0 54px; background: radial-gradient(circle at 80% 20%, rgba(44,156,124,.17), transparent 30%), linear-gradient(180deg, #eaf2ef, #f4f6f9); }
.eyebrow { display: inline-flex; gap: 8px; align-items: center; color: var(--green); font-size: 12px; font-weight: 800; letter-spacing: 1.4px; text-transform: uppercase; }
.page-hero h1 { max-width: 900px; margin-top: 14px; font-size: clamp(36px, 5.3vw, 68px); line-height: 1.06; letter-spacing: -2px; }
.page-hero h1 span { color: var(--green); }
.lead { max-width: 760px; margin-top: 22px; color: var(--muted); font-size: 18px; }

.chooser { padding: 30px 0 90px; }
.choice-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 26px; }
.choice-card { position: relative; min-height: 520px; display: flex; align-items: flex-end; overflow: hidden; border-radius: 22px; color: #fff; text-decoration: none; box-shadow: 0 18px 50px rgba(15,43,42,.14); isolation: isolate; }
.choice-card img { position: absolute; inset: 0; z-index: -2; width: 100%; height: 100%; object-fit: cover; transition: transform .55s ease; }
.choice-card::after { content: ''; position: absolute; inset: 0; z-index: -1; background: linear-gradient(180deg, rgba(8,20,22,.04) 20%, rgba(8,20,22,.94) 100%); }
.choice-card:hover img { transform: scale(1.045); }
.choice-card:hover .card-arrow { transform: translateX(6px); }
.choice-copy { padding: 38px; }
.choice-tag { display: inline-block; margin-bottom: 13px; padding: 6px 10px; border-radius: 999px; background: rgba(255,255,255,.15); font-size: 11px; font-weight: 800; letter-spacing: 1px; text-transform: uppercase; backdrop-filter: blur(8px); }
.choice-card h2 { font-size: 38px; line-height: 1; }
.choice-card p { max-width: 500px; margin-top: 14px; color: #dbe7e3; font-size: 15px; }
.card-meta { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 21px; }
.card-meta span { padding: 7px 10px; border: 1px solid rgba(255,255,255,.25); border-radius: 7px; font-size: 11px; font-weight: 700; }
.card-arrow { display: inline-flex; align-items: center; gap: 9px; margin-top: 24px; color: #72d5b7; font-weight: 800; transition: transform .25s ease; }

.breadcrumbs { padding: 24px 0 0; color: var(--muted); font-size: 13px; }
.breadcrumbs a { color: var(--green); text-decoration: none; }
.course-hero { padding: 52px 0 70px; }
.course-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 54px; align-items: center; }
.course-hero h1 { margin-top: 12px; font-size: clamp(38px, 5vw, 64px); line-height: 1.08; letter-spacing: -1.8px; }
.course-visual { height: 430px; border-radius: 22px; overflow: hidden; box-shadow: 0 18px 50px rgba(15,43,42,.16); }
.course-visual img { width: 100%; height: 100%; object-fit: cover; }
.facts { display: flex; flex-wrap: wrap; gap: 10px; margin: 26px 0; }
.facts span { padding: 9px 12px; border-radius: 8px; background: #e4eeeb; color: var(--green); font-size: 12px; font-weight: 800; }
.btn { display: inline-flex; align-items: center; gap: 9px; padding: 14px 20px; border-radius: 9px; background: var(--green); color: #fff; text-decoration: none; font-weight: 800; box-shadow: 0 8px 24px rgba(30,111,92,.2); }
.btn:hover { background: #175a4b; }

.program { padding: 76px 0; background: #fff; }
.section-heading { max-width: 710px; margin-bottom: 34px; }
.section-heading h2 { font-size: clamp(28px, 4vw, 42px); line-height: 1.15; }
.section-heading p { margin-top: 12px; color: var(--muted); }
.module-grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 18px; }
.module { padding: 26px; border: 1px solid var(--line); border-radius: 15px; background: #fbfcfc; }
.module-number { color: var(--green-light); font-weight: 900; font-size: 13px; }
.module h3 { margin-top: 9px; font-size: 18px; }
.module p { margin-top: 10px; color: var(--muted); font-size: 14px; }
.pilot-note { margin-top: 28px; padding: 18px 22px; border-left: 4px solid var(--green-light); background: #edf5f2; color: #3f5b55; border-radius: 0 10px 10px 0; font-size: 14px; }
.cta { padding: 70px 0; }
.cta-box { padding: 46px; border-radius: 20px; background: linear-gradient(135deg, #0f2b2a, #1a4a3e); color: #fff; display: flex; align-items: center; gap: 30px; }
.cta-box div { margin-right: auto; }
.cta-box h2 { font-size: 30px; }
.cta-box p { margin-top: 8px; color: #bdd3ce; }
.cta-box .btn { background: #2c9c7c; white-space: nowrap; }
.site-footer { padding: 35px 0; background: #0f2b2a; color: #bdd3ce; text-align: center; font-size: 12px; }

.catalog { padding: 30px 0 90px; }
.product-grid { display: grid; grid-template-columns: 1fr; gap: 18px; }
.product-card { min-height: 300px; display: grid; grid-template-columns: 330px minmax(0, 1fr); overflow: hidden; border: 1px solid var(--line); border-radius: 16px; background: var(--surface); box-shadow: 0 10px 30px rgba(15,43,42,.07); transition: transform .3s ease, box-shadow .3s ease; }
.product-card:hover { transform: translateY(-3px); box-shadow: 0 16px 38px rgba(15,43,42,.12); }
.product-image { position: relative; min-height: 300px; overflow: hidden; background: #e9ebec; border-right: 1px solid var(--line); }
.product-image img { display: block; width: 100%; height: 100%; object-fit: contain; transition: transform .4s ease; }
.product-card:hover .product-image img { transform: scale(1.025); }
.product-status { position: absolute; left: 18px; top: 18px; padding: 7px 11px; border-radius: 999px; color: #fff; background: var(--green); font-size: 11px; font-weight: 800; letter-spacing: .4px; }
.product-copy { min-width: 0; padding: 28px 32px; display: flex; flex-direction: column; justify-content: center; }
.product-brand { color: var(--green); font-size: 12px; font-weight: 900; letter-spacing: 1.2px; text-transform: uppercase; }
.product-card h2 { margin-top: 8px; font-size: 25px; line-height: 1.25; }
.product-description { margin-top: 13px; color: var(--muted); font-size: 14px; }
.product-notice { margin-top: 15px; padding: 11px 13px; border-radius: 8px; background: #f1f5f4; color: #526762; font-size: 12px; }
.product-bottom { display: flex; align-items: center; gap: 18px; margin-top: 24px; }
.product-price { margin-right: auto; }
.product-price small { display: block; color: var(--muted); font-size: 11px; }
.product-price strong { font-size: 18px; }
.product-bottom .btn { padding: 12px 16px; font-size: 13px; }

.manufacturing-hero { padding: 70px 0 76px; background: radial-gradient(circle at 15% 18%, rgba(44,156,124,.14), transparent 30%), #f4f6f9; }
.manufacturing-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 52px; align-items: center; }
.manufacturing-copy h1 { margin-top: 14px; font-size: clamp(40px, 5vw, 66px); line-height: 1.05; letter-spacing: -2px; }
.manufacturing-copy h1 span { color: var(--green); }
.manufacturing-visual { height: 500px; overflow: hidden; border-radius: 22px; box-shadow: 0 20px 55px rgba(15,43,42,.16); }
.manufacturing-visual img { display: block; width: 100%; height: 100%; object-fit: cover; }
.manufacturing-services { padding: 78px 0; background: #fff; }
.capability-grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 18px; }
.capability-card { position: relative; padding: 30px 27px; overflow: hidden; border: 1px solid var(--line); border-radius: 16px; background: #fbfcfc; }
.capability-card::before { content: ''; position: absolute; inset: 0 auto 0 0; width: 4px; background: var(--green-light); }
.capability-icon { width: 48px; height: 48px; display: grid; place-items: center; border-radius: 12px; color: var(--green); background: #e5f1ed; font-size: 20px; }
.capability-card h3 { margin-top: 19px; font-size: 21px; }
.capability-card p { margin-top: 11px; color: var(--muted); font-size: 14px; }
.production-note { margin-top: 28px; padding: 20px 22px; border-radius: 12px; color: #3e5852; background: #edf5f2; font-size: 14px; }
.order-flow { padding: 78px 0; }
.flow-grid { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: 14px; counter-reset: flow; }
.flow-step { position: relative; padding: 24px 21px; border-radius: 14px; background: #fff; box-shadow: 0 8px 25px rgba(15,43,42,.06); counter-increment: flow; }
.flow-step::before { content: '0' counter(flow); display: block; margin-bottom: 16px; color: var(--green-light); font-size: 13px; font-weight: 900; letter-spacing: 1px; }
.flow-step h3 { font-size: 17px; }
.flow-step p { margin-top: 8px; color: var(--muted); font-size: 13px; }

@media (max-width: 1250px) {
    .header-inner { min-height: auto; padding: 12px 0; flex-wrap: wrap; gap: 10px 18px; }
    .brand img { width: 145px; height: 52px; }
    .main-nav { display: none; }
    .mobile-menu { display: block; }
}

@media (max-width: 820px) {
    .choice-grid, .course-grid { grid-template-columns: 1fr; }
    .manufacturing-grid { grid-template-columns: 1fr; }
    .manufacturing-visual { height: 400px; }
    .capability-grid { grid-template-columns: 1fr; }
    .flow-grid { grid-template-columns: 1fr 1fr; }
    .product-card { grid-template-columns: 270px minmax(0, 1fr); }
    .choice-card { min-height: 450px; }
    .course-visual { height: 360px; order: -1; }
    .module-grid { grid-template-columns: 1fr 1fr; }
    .cta-box { align-items: flex-start; flex-direction: column; }
}

@media (max-width: 520px) {
    .container { width: min(100% - 32px, 1180px); }
    .header-phone { font-size: 0; }
    .header-phone i { font-size: 16px; }
    .mobile-menu summary span { display: none; }
    .page-hero { padding-top: 60px; }
    .page-hero h1 { letter-spacing: -1px; }
    .choice-card { min-height: 420px; }
    .choice-copy { padding: 26px; }
    .choice-card h2 { font-size: 32px; }
    .module-grid { grid-template-columns: 1fr; }
    .course-visual { height: 280px; }
    .cta-box { padding: 30px 24px; }
    .product-card { grid-template-columns: 1fr; }
    .product-image { min-height: 265px; max-height: 320px; border-right: 0; border-bottom: 1px solid var(--line); }
    .product-copy { padding: 23px; }
    .product-bottom { align-items: flex-start; flex-direction: column; }
    .product-bottom .btn { width: 100%; justify-content: center; }
    .manufacturing-hero { padding: 54px 0 60px; }
    .manufacturing-copy { min-width: 0; }
    .manufacturing-copy h1 { font-size: clamp(34px, 11vw, 48px); letter-spacing: -1px; overflow-wrap: anywhere; }
    .manufacturing-visual { height: 280px; }
    .flow-grid { grid-template-columns: 1fr; }
}