:root {
  --ink: #111820;
  --ink-2: #202a32;
  --paper: #f4f5f3;
  --white: #fff;
  --muted: #69747c;
  --line: #d9dddc;
  --accent: #d29a2f;
  --accent-dark: #a97519;
  --max: 1240px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: Arial, "Helvetica Neue", sans-serif; line-height: 1.55; letter-spacing: 0; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { line-height: 1.08; }

.preview-header { min-height: 82px; padding: 0 4vw; background: var(--white); display: grid; grid-template-columns: minmax(280px, 1fr) auto auto; align-items: center; gap: 30px; border-bottom: 1px solid #e8e9e7; position: sticky; top: 0; z-index: 20; }
.brand { display: flex; align-items: center; gap: 13px; }
.brand img { width: 76px; height: 52px; object-fit: contain; }
.brand span { display: grid; }
.brand strong { font-size: 16px; }
.brand small { font-size: 11px; color: var(--muted); margin-top: 2px; }
.preview-header nav { display: flex; gap: 25px; font-size: 14px; font-weight: 700; }
.preview-header nav a:hover { color: var(--accent-dark); }
.nav-cta { padding: 12px 17px; color: var(--white); background: var(--ink); font-size: 13px; font-weight: 700; }

.hero { min-height: 680px; position: relative; display: flex; align-items: center; overflow: hidden; background: #151b1f; color: var(--white); }
.hero-image, .hero-shade { position: absolute; inset: 0; width: 100%; height: 100%; }
.hero-image { object-fit: cover; object-position: center 48%; }
.hero-shade { background: linear-gradient(90deg, rgba(12,18,22,.92) 0%, rgba(12,18,22,.77) 42%, rgba(12,18,22,.17) 76%, rgba(12,18,22,.08) 100%); }
.hero-content { width: min(1160px, 92vw); margin: 0 auto; position: relative; z-index: 2; padding: 90px 0 150px; }
.hero-content h1 { max-width: 720px; font-size: clamp(42px, 5vw, 70px); margin-bottom: 22px; }
.hero-content > p:not(.kicker) { max-width: 650px; color: #e0e4e5; font-size: 19px; }
.kicker { margin-bottom: 14px; color: #f0bd54; font-size: 12px; font-weight: 800; letter-spacing: 1.6px; }
.kicker.dark { color: var(--accent-dark); }
.actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 32px; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 0 20px; border: 1px solid transparent; font-size: 14px; font-weight: 800; transition: .2s ease; }
.button.primary { color: #171b1d; background: var(--accent); }
.button.primary:hover { background: #e1ac44; }
.button.ghost { color: var(--white); border-color: rgba(255,255,255,.6); }
.button.ghost:hover { background: rgba(255,255,255,.1); }
.dark-button { color: var(--white); background: var(--ink); }
.hero-proof { position: absolute; z-index: 3; left: 50%; bottom: 0; transform: translateX(-50%); width: min(1160px, 92vw); display: grid; grid-template-columns: repeat(3, 1fr); background: var(--white); color: var(--ink); box-shadow: 0 16px 45px rgba(0,0,0,.2); }
.hero-proof div { padding: 22px 28px; border-right: 1px solid var(--line); display: grid; }
.hero-proof div:last-child { border: 0; }
.hero-proof strong { font-size: 17px; }
.hero-proof span { color: var(--muted); font-size: 12px; }

.section, .intro-band { width: min(var(--max), 92vw); margin-inline: auto; }
.section { padding: 92px 0; }
.intro-band { padding: 70px 0 22px; display: grid; grid-template-columns: .9fr 1.1fr; gap: 12vw; align-items: end; }
.intro-band h2, .section-title h2, .factory-copy h2, .inquiry h2 { font-size: clamp(31px, 3.6vw, 48px); margin-bottom: 0; }
.intro-band > p, .section-title > p { color: var(--muted); font-size: 17px; margin-bottom: 4px; }
.section-title { display: flex; justify-content: space-between; align-items: end; gap: 40px; margin-bottom: 38px; }
.section-title > div { max-width: 760px; }
.section-title > a { color: var(--accent-dark); font-weight: 800; white-space: nowrap; }

.equipment-heading-actions { display: flex; align-items: center; gap: 22px; }
.equipment-heading-actions > a { color: var(--accent-dark); font-weight: 800; white-space: nowrap; }
.slider-controls { display: flex; gap: 8px; }
.slider-button { width: 42px; height: 42px; border: 1px solid #cfd3d1; background: var(--white); color: var(--ink); font-size: 20px; cursor: pointer; transition: background .2s ease, color .2s ease, border-color .2s ease; }
.slider-button:hover, .slider-button:focus-visible { background: var(--ink); border-color: var(--ink); color: var(--white); }
.equipment-slider { display: grid; grid-auto-flow: column; grid-auto-columns: calc((100% - 36px) / 3); gap: 18px; overflow-x: auto; overscroll-behavior-inline: contain; scroll-snap-type: inline mandatory; scrollbar-width: none; padding: 5px 1px 26px; }
.equipment-slider::-webkit-scrollbar { display: none; }
.equipment-card { min-width: 0; background: var(--white); border: 1px solid #e5e7e5; overflow: hidden; scroll-snap-align: start; transition: transform .25s ease, box-shadow .25s ease; }
.equipment-card:hover { transform: translateY(-5px); box-shadow: 0 18px 40px rgba(26,35,39,.11); }
.equipment-image { width: 100%; aspect-ratio: 16 / 10; display: grid; place-items: center; overflow: hidden; background: linear-gradient(145deg, #f7f8f6, #e9ece9); border-bottom: 1px solid #e5e7e5; }
.equipment-image img { width: 100%; height: 100%; object-fit: contain; mix-blend-mode: multiply; }
.equipment-image-jaw img { padding: 5.5%; }
.equipment-image-ball img { padding: 8% 3%; }
.equipment-image-mobile img { padding: 4%; }
.equipment-image-hammer img { padding: 4.5%; }
.equipment-image-screen img { padding: 7% 4%; }
.equipment-image-flotation img { padding: 10% 3% 6%; }
.equipment-card div { padding: 24px; }
.equipment-card .equipment-image { padding: 0; }
.equipment-card span, .case-grid span { color: var(--accent-dark); font-size: 11px; font-weight: 800; letter-spacing: 1px; }
.equipment-card h3 { font-size: 27px; margin: 10px 0; }
.equipment-card p { color: var(--muted); min-height: 72px; }
.equipment-card strong { font-size: 13px; }
.slider-dots { display: flex; justify-content: center; gap: 8px; min-height: 10px; }
.slider-dots button { width: 22px; height: 4px; padding: 0; border: 0; background: #c7ccca; cursor: pointer; transition: width .2s ease, background .2s ease; }
.slider-dots button[aria-current] { width: 42px; background: var(--accent); }

.trust-system { padding-top: 35px; }
.trust-heading { max-width: 820px; margin: 0 auto 55px; text-align: center; }
.trust-heading h2 { font-size: clamp(34px, 4vw, 52px); margin: 12px 0 18px; }
.trust-heading > p:last-child { max-width: 670px; margin: 0 auto; color: var(--muted); font-size: 17px; }
.trust-panel { margin-top: 22px; border: 1px solid #dde1df; background: var(--white); }
.trust-manufacturing, .trust-support { display: grid; grid-template-columns: .88fr 1.12fr; min-height: 560px; }
.trust-copy { padding: clamp(38px, 5vw, 70px); align-self: center; }
.trust-number { display: inline-grid; place-items: center; width: 42px; height: 42px; margin-bottom: 28px; background: var(--accent); color: var(--ink); font-weight: 900; }
.trust-copy h3, .selection-intro h3 { font-size: clamp(30px, 3.5vw, 45px); margin: 10px 0 18px; }
.trust-copy > p:not(.kicker) { color: var(--muted); font-size: 16px; }
.trust-points { display: grid; gap: 1px; margin: 30px 0; padding: 0; background: var(--line); border: 1px solid var(--line); list-style: none; }
.trust-points li { display: grid; grid-template-columns: 145px 1fr; gap: 16px; padding: 16px 18px; background: var(--white); }
.trust-points strong { color: var(--ink); }
.trust-points span { color: var(--muted); }
.text-link { color: var(--accent-dark); font-weight: 850; }
.trust-photo-grid { min-width: 0; display: grid; grid-template-columns: 1.15fr .85fr; grid-template-rows: repeat(2, 280px); gap: 8px; padding: 8px; background: #1a2227; }
.trust-photo-grid figure { position: relative; min-width: 0; overflow: hidden; margin: 0; }
.trust-photo-grid .trust-photo-main { grid-row: 1 / 3; }
.trust-photo-grid img { width: 100%; height: 100%; object-fit: cover; transition: transform .35s ease; }
.trust-photo-grid .trust-photo-main img { object-position: 50% 55%; }
.trust-photo-grid figure:nth-child(2) img { object-position: 50% 64%; }
.trust-photo-grid figure:nth-child(3) img { object-position: 53% 58%; }
.trust-photo-grid figure:hover img { transform: scale(1.025); }
.trust-photo-grid figcaption { position: absolute; left: 12px; bottom: 12px; padding: 7px 10px; background: rgba(12,18,22,.82); color: var(--white); font-size: 12px; }
.trust-selection { padding: clamp(42px, 5vw, 72px); background: var(--ink); color: var(--white); }
.selection-intro { max-width: 760px; }
.selection-intro > p:last-child { color: #c4cbce; font-size: 16px; }
.selection-steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; margin: 38px 0 32px; padding: 1px; background: #465057; list-style: none; }
.selection-steps li { min-height: 230px; padding: 28px 24px; background: #222c32; }
.selection-steps li > span { display: block; margin-bottom: 35px; color: var(--accent); font-size: 13px; font-weight: 900; }
.selection-steps strong { font-size: 19px; }
.selection-steps p { color: #bfc7ca; font-size: 14px; }
.trust-support { grid-template-columns: 1.08fr .92fr; }
.support-visual { position: relative; min-height: 560px; overflow: hidden; background: var(--ink); }
.support-visual img { width: 100%; height: 100%; position: absolute; object-fit: cover; object-position: center; }
.support-visual::after { content: ""; position: absolute; inset: 0; background: linear-gradient(0deg, rgba(10,15,18,.86), transparent 58%); }
.support-visual div { position: absolute; z-index: 2; left: 32px; right: 32px; bottom: 28px; display: grid; color: var(--white); }
.support-visual strong { font-size: 25px; }
.support-visual span { color: #d5dadc; }
.support-list { display: grid; grid-template-columns: 1fr 1fr; gap: 22px 25px; margin: 30px 0; }
.support-list div { padding-top: 15px; border-top: 2px solid var(--accent); }
.support-list p { margin: 8px 0 0; color: var(--muted); font-size: 14px; }

.solutions { width: 100%; max-width: none; padding: 95px max(4vw, calc((100vw - var(--max)) / 2)); background: var(--ink); color: var(--white); }
.section-title.light { width: min(var(--max), 100%); }
.section-title.light > p { color: #b8c0c4; max-width: 440px; }
.solution-layout { display: grid; grid-template-columns: 1.2fr .8fr; gap: 42px; align-items: stretch; }
.flow-visual { min-height: 470px; position: relative; background: #2b343a; overflow: hidden; }
.flow-visual img { width: 100%; height: 100%; min-height: 470px; object-fit: cover; }
.flow-visual span { position: absolute; left: 18px; bottom: 18px; padding: 8px 11px; background: rgba(15,21,25,.82); font-size: 11px; }
.solution-list { border-top: 1px solid #465057; }
.solution-list a { display: grid; grid-template-columns: 42px 1fr 20px; gap: 14px; align-items: center; padding: 27px 4px; border-bottom: 1px solid #465057; }
.solution-list a:hover h3 { color: #efbd58; }
.solution-list a > span { color: #efbd58; font-weight: 800; }
.solution-list h3 { margin-bottom: 8px; font-size: 22px; }
.solution-list p { margin-bottom: 0; color: #b8c0c4; font-size: 13px; }

.selection-section { background: #eef0ef; }
.selection-section .selection-intro { max-width: 760px; margin-bottom: 34px; }
.selection-section .selection-intro h2 { margin: 10px 0 14px; font-size: clamp(31px, 3.6vw, 48px); }
.selection-section .selection-intro > p:last-child { color: var(--muted); }
.selection-section .selection-steps { margin: 0 0 30px; border-color: var(--line); background: var(--line); }
.selection-section .selection-steps li { min-height: 180px; padding: 24px; background: var(--white); }
.selection-section .selection-steps li > span { margin-bottom: 30px; color: var(--accent-dark); }
.selection-section .selection-steps strong { color: var(--ink); font-size: 17px; }
.selection-section .selection-steps p { color: var(--muted); font-size: 13px; }

.case-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 20px; }
.case-grid a { position: relative; min-height: 390px; overflow: hidden; background: #1f272c; color: var(--white); }
.case-grid img { width: 100%; height: 100%; position: absolute; object-fit: cover; transition: transform .35s ease; }
.case-grid a:hover img { transform: scale(1.025); }
.case-grid a::after { content: ""; position: absolute; inset: 0; background: linear-gradient(0deg, rgba(9,14,17,.88), transparent 64%); }
.case-grid div { position: absolute; z-index: 2; left: 26px; bottom: 20px; right: 26px; }
.case-grid h3 { font-size: 28px; margin: 8px 0 4px; }
.case-grid p { color: #d6dbdd; margin: 0; }
.local-review-note { margin: -18px 0 22px; padding: 11px 14px; border-left: 3px solid #a86f16; background: #fff5df; color: #6c4b18; font-size: 13px; }

.factory { display: grid; grid-template-columns: .82fr 1.18fr; gap: 70px; align-items: center; }
.factory-copy > p:not(.kicker) { color: var(--muted); font-size: 16px; margin: 24px 0; }
.factory-copy ul { padding-left: 19px; margin: 0 0 28px; }
.factory-copy li { margin: 9px 0; }
.factory-proof-list { display: grid; gap: 1px; margin: 0 0 28px; border: 1px solid var(--line); background: var(--line); }
.factory-proof-list div { display: grid; grid-template-columns: 145px 1fr; gap: 16px; padding: 13px 15px; background: var(--white); }
.factory-proof-list strong { color: var(--ink); }
.factory-proof-list span { color: var(--muted); font-size: 13px; }
.factory-gallery { display: grid; grid-template-columns: 1.1fr .9fr; grid-template-rows: repeat(2, 220px); gap: 12px; }
.factory-gallery figure { margin: 0; position: relative; overflow: hidden; background: #dfe2e1; }
.factory-gallery figure:first-child { grid-row: 1 / 3; }
.factory-gallery img { width: 100%; height: 100%; object-fit: cover; }
.factory-gallery figure:first-child img { object-position: 55% 70%; }
.factory-gallery figure:nth-child(2) img { object-position: 50% 67%; }
.factory-gallery figure:nth-child(3) img { object-position: 52% 66%; }
.factory-gallery figcaption { position: absolute; left: 10px; bottom: 10px; padding: 6px 9px; background: rgba(16,23,27,.8); color: var(--white); font-size: 11px; }

.cooperation-section { padding-top: 45px; }
.cooperation-section .support-list { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; margin: 0; border: 1px solid var(--line); background: var(--line); }
.cooperation-section .support-list > div { min-height: 190px; padding: 24px; border: 0; background: var(--white); }
.cooperation-section .support-list span { display: block; margin-bottom: 30px; color: var(--accent-dark); font-size: 13px; font-weight: 900; }
.cooperation-section .support-list strong { color: var(--ink); font-size: 17px; }
.cooperation-section .support-list p { margin: 9px 0 0; color: var(--muted); font-size: 13px; }

.inquiry { width: 100%; max-width: none; padding: 72px max(4vw, calc((100vw - var(--max)) / 2)); background: var(--ink-2); color: var(--white); display: grid; grid-template-columns: 1fr auto; gap: 60px; align-items: center; }
.inquiry > div:first-child { max-width: 760px; }
.inquiry h2 { margin-bottom: 16px; }
.inquiry p:not(.kicker) { color: #c4cbce; margin-bottom: 0; }
.inquiry-actions { display: grid; gap: 10px; }

footer { min-height: 84px; padding: 20px 4vw; display: flex; align-items: center; justify-content: space-between; gap: 25px; background: #0f1519; color: #afb7bb; font-size: 12px; }
footer strong { color: var(--white); font-size: 14px; }

@media (max-width: 980px) {
  .preview-header { grid-template-columns: minmax(0, 1fr) auto; padding-top: 8px; }
  .preview-header .brand { grid-column: 1; grid-row: 1; }
  .preview-header nav {
    grid-column: 1 / -1;
    grid-row: 2;
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    width: 100%;
    gap: 0;
    padding: 2px 0 8px;
    border-top: 1px solid #e8e9e7;
    font-size: 12px;
    text-align: center;
  }
  .preview-header nav a { padding: 7px 4px; }
  .preview-header .nav-cta { grid-column: 2; grid-row: 1; justify-self: end; }
  .hero { min-height: 650px; }
  .hero-shade { background: linear-gradient(90deg, rgba(12,18,22,.92), rgba(12,18,22,.64)); }
  .intro-band, .factory { grid-template-columns: 1fr; gap: 30px; }
  .equipment-slider { grid-auto-columns: calc((100% - 18px) / 2); }
  .trust-manufacturing, .trust-support { grid-template-columns: 1fr; }
  .trust-photo-grid { order: -1; }
  .selection-steps { grid-template-columns: 1fr 1fr; }
  .cooperation-section .support-list { grid-template-columns: 1fr 1fr; }
  .solution-layout { grid-template-columns: 1fr; }
  .case-grid { grid-template-columns: 1fr; }
  .inquiry { grid-template-columns: 1fr; gap: 30px; }
}

@media (max-width: 640px) {
  .preview-header { min-height: 68px; padding: 8px 4vw 0; gap: 8px; }
  .brand img { width: 52px; height: 38px; }
  .brand strong { font-size: 12px; }
  .brand small { display: none; }
  .nav-cta { padding: 10px 11px; font-size: 11px; }
  .hero { min-height: 690px; align-items: start; }
  .hero-image { object-position: 58% center; }
  .hero-shade { background: linear-gradient(180deg, rgba(12,18,22,.88) 0%, rgba(12,18,22,.58) 70%, rgba(12,18,22,.76) 100%); }
  .hero-content { padding: 72px 0 210px; }
  .hero-content h1 { font-size: 39px; }
  .hero-content > p:not(.kicker) { font-size: 16px; }
  .hero-proof { grid-template-columns: 1fr; }
  .hero-proof div { padding: 12px 18px; border-right: 0; border-bottom: 1px solid var(--line); }
  .intro-band { padding-top: 52px; }
  .section { padding: 65px 0; }
  .section-title { display: block; }
  .section-title > a { display: inline-block; margin-top: 18px; }
  .equipment-heading-actions { justify-content: space-between; margin-top: 18px; }
  .equipment-slider { grid-auto-columns: 88%; }
  .equipment-card p { min-height: 0; }
  .trust-heading { text-align: left; margin-bottom: 35px; }
  .trust-copy, .trust-selection { padding: 30px 22px; }
  .trust-photo-grid { grid-template-columns: 1fr; grid-template-rows: repeat(3, 235px); }
  .trust-photo-grid .trust-photo-main { grid-row: auto; }
  .trust-points li { grid-template-columns: 1fr; gap: 4px; }
  .selection-steps { grid-template-columns: 1fr; }
  .selection-steps li { min-height: 0; }
  .support-visual { min-height: 350px; }
  .support-list { grid-template-columns: 1fr; }
  .cooperation-section .support-list { grid-template-columns: 1fr; }
  .cooperation-section .support-list > div { min-height: 0; }
  .cooperation-section .support-list span { margin-bottom: 18px; }
  .solutions { padding-block: 65px; }
  .flow-visual, .flow-visual img { min-height: 270px; }
  .solution-list a { grid-template-columns: 32px 1fr 15px; padding: 20px 0; }
  .case-grid a { min-height: 310px; }
  .factory-gallery { grid-template-columns: 1fr; grid-template-rows: repeat(3, 245px); }
  .factory-gallery figure:first-child { grid-row: auto; }
  .factory-proof-list div { grid-template-columns: 1fr; gap: 3px; }
  .inquiry-actions { width: 100%; }
  .inquiry h2 { font-size: 30px; line-height: 1.16; overflow-wrap: anywhere; }
  .inquiry p { overflow-wrap: anywhere; }
  footer { align-items: flex-start; flex-direction: column; padding: 28px 4vw; }
  footer strong, footer span { width: 100%; line-height: 1.55; overflow-wrap: anywhere; }
}