/* Layout concept: a converting plant's roll label. Deep-navy plant panels, white work areas,
   product cards styled like the ID label stuck on a jumbo roll (kraft strip, mono spec lines),
   and the coating line drawn as a paper web running through six stations. */
:root {
  --ink: #1b3048;          /* deep navy from the logo's dark end: hero, footer, headings */
  --ink-2: #25405f;        /* raised navy surface */
  --blue: #2a76b9;         /* Coating Impex shield blue (logo's light end): links, buttons */
  --blue-strong: #215f96;  /* hover / pressed */
  --sky: #eaf1f8;          /* blue-tinted section ground */
  --paper: #ffffff;        /* work area */
  --kraft: #b8895a;        /* roll-label strip, used sparingly */
  --kraft-tint: #f5ede3;
  --text: #1b2b3b;
  --muted: #526578;
  --line: #d8e1ea;
  --on-ink: #e8eff6;
  --on-ink-muted: #a9bccf;
  --wa: #1fa855;

  --font-display: "Archivo", "Arial Narrow", "Helvetica Neue", Arial, sans-serif;
  --font-body: "Public Sans", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-mono: "DM Mono", ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;

  --step--1: 0.875rem;
  --step-0: 1.0625rem;
  --step-1: 1.25rem;
  --step-2: 1.6rem;
  --step-3: clamp(1.9rem, 1.4rem + 1.8vw, 2.6rem);
  --step-4: clamp(2.3rem, 1.5rem + 3.2vw, 3.6rem);

  --radius: 4px;
  --gutter: max(16px, env(safe-area-inset-left, 0px));
  --gutter-r: max(16px, env(safe-area-inset-right, 0px));
  --wrap: 1200px;
  color-scheme: light;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } *, *::before, *::after { transition: none !important; animation: none !important; } }
body { margin: 0; background: var(--paper); color: var(--text); font-family: var(--font-body); font-size: var(--step-0); line-height: 1.6; }
img { max-width: 100%; height: auto; display: block; }
a { color: var(--blue); text-underline-offset: 3px; }
a:hover { color: var(--blue-strong); }
:focus-visible { outline: 3px solid var(--kraft); outline-offset: 2px; }
h1, h2, h3 { font-family: var(--font-display); font-stretch: 112%; color: var(--ink); line-height: 1.12; margin: 0; text-wrap: balance; letter-spacing: -0.01em; }
h1 { font-size: var(--step-4); font-weight: 800; }
h2 { font-size: var(--step-3); font-weight: 800; }
h3 { font-size: var(--step-1); font-weight: 700; }
p { margin: 0; }
ul { margin: 0; padding: 0; }
.wrap { max-width: var(--wrap); margin-inline: auto; padding-left: var(--gutter); padding-right: var(--gutter-r); }
.skip { position: absolute; left: -9999px; top: 8px; z-index: 100; background: var(--paper); color: var(--ink); padding: 8px 14px; font-weight: 700; }
.skip:focus { left: 8px; }
.ico { width: 20px; height: 20px; flex: none; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }

.label { font-family: var(--font-mono); font-size: 0.78rem; font-weight: 500; letter-spacing: 0.12em; text-transform: uppercase; color: var(--blue); }
.lead { font-size: var(--step-1); color: var(--muted); max-width: 60ch; line-height: 1.55; }

/* buttons */
.btn { display: inline-flex; align-items: center; gap: 10px; padding: 13px 22px; border-radius: var(--radius); border: 2px solid transparent; font-family: var(--font-display); font-stretch: 108%; font-weight: 700; font-size: 1rem; text-decoration: none; cursor: pointer; line-height: 1.2; transition: background .15s, color .15s, border-color .15s; }
.btn-blue { background: var(--blue); color: #fff; }
.btn-blue:hover { background: var(--blue-strong); color: #fff; }
.btn-line { border-color: currentColor; color: var(--ink); background: transparent; }
.btn-line:hover { background: var(--ink); color: #fff; border-color: var(--ink); }
.on-ink .btn-line { color: var(--on-ink); }
.on-ink .btn-line:hover { background: var(--on-ink); color: var(--ink); border-color: var(--on-ink); }
.btn-wa { background: var(--wa); color: #fff; }
.btn-wa:hover { background: #178a45; color: #fff; }

/* top bar + header */
.topbar { background: var(--ink); color: var(--on-ink-muted); font-size: 0.875rem; }
.topbar .wrap { display: flex; flex-wrap: wrap; gap: 6px 22px; align-items: center; justify-content: space-between; padding-block: 8px; }
.topbar-links { display: flex; flex-wrap: wrap; gap: 6px 22px; }
.topbar a { color: var(--on-ink); text-decoration: none; display: inline-flex; align-items: center; gap: 7px; }
.topbar a:hover { color: #fff; text-decoration: underline; }
.topbar .ico { width: 16px; height: 16px; }
.topbar-note { font-family: var(--font-mono); font-size: 0.74rem; letter-spacing: 0.12em; text-transform: uppercase; }
@media (max-width: 860px) { .topbar-note { display: none; } }
@media (max-width: 560px) { .topbar .t-mail { display: none; } }

.site-header { position: sticky; top: env(safe-area-inset-top, 0px); z-index: 50; background: var(--paper); border-bottom: 1px solid var(--line); }
.site-header .wrap { display: flex; align-items: center; gap: 24px; min-height: 74px; }
.brand { display: inline-flex; flex-direction: column; text-decoration: none; line-height: 1; flex: none; }
.brand img { height: 50px; width: auto; }
.brand-word { font-family: var(--font-display); font-stretch: 118%; font-weight: 800; font-size: 1.45rem; letter-spacing: 0.02em; color: var(--ink); text-transform: uppercase; }
.brand-word b { color: var(--blue); font-weight: 800; }
.brand-sub { font-family: var(--font-mono); font-size: 0.64rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--muted); margin-top: 5px; }
.nav { margin-left: auto; }
.nav > ul { display: flex; align-items: center; gap: 4px; list-style: none; }
.nav a, .nav .sub-toggle { display: inline-flex; align-items: center; gap: 6px; padding: 10px 12px; color: var(--ink); text-decoration: none; font-weight: 600; font-size: 0.98rem; background: none; border: 0; font-family: inherit; cursor: pointer; border-radius: var(--radius); white-space: nowrap; }
.nav a:hover, .nav .sub-toggle:hover { color: var(--blue); background: var(--sky); }
.nav a[aria-current="page"], .nav .sub-toggle.is-current { color: var(--blue); box-shadow: inset 0 -3px 0 var(--blue); border-radius: 0; }
.nav .sub-toggle .ico { width: 16px; height: 16px; transition: transform .15s; }
.has-sub { position: relative; }
.has-sub.open .sub-toggle .ico { transform: rotate(180deg); }
.nav .sub { display: none; position: absolute; top: calc(100% + 6px); left: 0; min-width: 300px; background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: 0 14px 34px rgba(27, 48, 72, .14); padding: 8px; list-style: none; }
.nav .has-sub.open .sub { display: grid; gap: 2px; }
.nav .sub a { display: grid; gap: 2px; padding: 10px 12px; white-space: normal; }
.nav .sub a b { font-family: var(--font-display); font-stretch: 108%; font-size: 1rem; color: var(--ink); }
.nav .sub a span { font-size: 0.86rem; font-weight: 400; color: var(--muted); }
.nav .sub a:hover b { color: var(--blue); }
.nav .sub a[aria-current="page"] { box-shadow: none; background: var(--sky); border-radius: var(--radius); }
.header-cta { flex: none; }
.menu-toggle { display: none; margin-left: auto; width: 46px; height: 46px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--paper); color: var(--ink); cursor: pointer; align-items: center; justify-content: center; }
.nav-cta { display: none; }
@media (max-width: 1040px) {
  .menu-toggle { display: inline-flex; }
  .header-cta { display: none; }
  .nav { display: none; position: absolute; left: 0; right: 0; top: 100%; background: var(--paper); border-bottom: 1px solid var(--line); box-shadow: 0 16px 30px rgba(27, 48, 72, .12); padding: 10px var(--gutter-r) 18px var(--gutter); }
  .nav.is-open { display: block; }
  .nav > ul { flex-direction: column; align-items: stretch; gap: 0; }
  .nav a, .nav .sub-toggle { width: 100%; justify-content: space-between; padding: 13px 6px; border-bottom: 1px solid var(--line); border-radius: 0; }
  .nav a[aria-current="page"], .nav .sub-toggle.is-current { box-shadow: inset 3px 0 0 var(--blue); padding-left: 12px; }
  .nav .sub { position: static; box-shadow: none; border: 0; min-width: 0; padding: 0 0 6px 10px; }
  .nav .sub a { border-bottom: 0; padding: 10px 6px; }
  .nav-cta { display: block; padding-top: 14px; }
  .nav .nav-cta a.btn { width: auto; justify-content: center; border: 0; color: #fff; padding: 13px 22px; border-radius: var(--radius); }
}

/* hero (home) */
.hero { background: linear-gradient(135deg, #21416a 0%, var(--ink) 55%); color: var(--on-ink); position: relative; overflow: hidden; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr); min-height: 560px; }
.hero-copy { display: grid; align-content: center; gap: 22px; padding-block: 64px; padding-left: max(var(--gutter), calc((100vw - var(--wrap)) / 2 + 16px)); padding-right: 40px; }
.hero-copy .label { color: #8fc0ec; }
.hero-copy h1 { color: #fff; }
.hero-copy .lead { color: var(--on-ink-muted); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; padding-top: 6px; }
.hero-media { position: relative; min-height: 320px; }
.hero-media img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.hero-media::before { content: ""; position: absolute; inset: 0; z-index: 1; background: linear-gradient(90deg, var(--ink) 0%, rgba(27, 48, 72, 0) 28%); }
.hero-spec { position: absolute; z-index: 2; right: 24px; bottom: 24px; background: var(--paper); color: var(--text); border-radius: var(--radius); box-shadow: 0 12px 30px rgba(0,0,0,.25); max-width: 290px; }
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: minmax(0, 1fr); min-height: 0; }
  .hero-copy { padding: 44px var(--gutter-r) 36px var(--gutter); }
  .hero-media { min-height: 260px; aspect-ratio: 16 / 10; max-width: 100%; }
  .hero-media::before { background: linear-gradient(180deg, var(--ink) 0%, rgba(27, 48, 72, 0) 30%); }
  .hero-spec { right: 16px; bottom: 16px; left: 16px; max-width: none; }
}

/* roll label (signature device) */
.roll-label { position: relative; background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.roll-label::before { content: ""; display: block; height: 8px; background: var(--kraft); }
.roll-label .rl-body { padding: 14px 16px 16px; display: grid; gap: 8px; }
.roll-label .rl-title { font-family: var(--font-display); font-stretch: 112%; font-weight: 800; font-size: 1.05rem; color: var(--ink); text-transform: uppercase; letter-spacing: 0.02em; }
.spec-lines { display: grid; gap: 0; font-family: var(--font-mono); font-size: 0.8rem; font-weight: 500; border-top: 1px dashed var(--line); }
.spec-lines div { display: grid; grid-template-columns: 74px minmax(0, 1fr); gap: 10px; padding-block: 6px; border-bottom: 1px dashed var(--line); }
.spec-lines dt, .spec-lines .k { color: var(--muted); letter-spacing: 0.1em; text-transform: uppercase; font-size: 0.72rem; padding-top: 1px; }
.spec-lines dd, .spec-lines .v { margin: 0; color: var(--ink); }

.hero-media .hero-spec { position: absolute; }
@media (max-width: 600px) { .hero-media .hero-spec { display: none; } .hero-actions .btn { flex: 1 1 auto; justify-content: center; } }

/* commitments strip */
.commit { background: var(--sky); border-bottom: 1px solid var(--line); }
.commit-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); }
.commit-item { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 12px; align-items: start; padding: 22px 20px; border-left: 1px solid var(--line); }
.commit-item:first-child { border-left: 0; padding-left: 0; }
.commit-item .ico { width: 26px; height: 26px; color: var(--blue); margin-top: 2px; }
.commit-item b { display: block; font-family: var(--font-display); font-stretch: 108%; font-size: 1.05rem; color: var(--ink); line-height: 1.25; }
.commit-item span { font-size: 0.92rem; color: var(--muted); line-height: 1.45; }
@media (max-width: 900px) { .commit-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } .commit-item:nth-child(3) { border-left: 0; padding-left: 0; } .commit-item { border-top: 1px solid var(--line); } .commit-item:nth-child(-n+2) { border-top: 0; } }
@media (max-width: 520px) { .commit-grid { grid-template-columns: 1fr; } .commit-item { border-left: 0; padding-left: 0; } .commit-item:nth-child(2) { border-top: 1px solid var(--line); } }

/* sections */
.section { padding-block: clamp(56px, 7vw, 92px); }
.section.tint { background: var(--sky); }
.section.ink { background: var(--ink); color: var(--on-ink); }
.section.ink h2, .section.ink h3 { color: #fff; }
.section.ink .lead { color: var(--on-ink-muted); }
.section.ink .label { color: #8fc0ec; }
.section-head { display: grid; gap: 12px; margin-bottom: 36px; max-width: 760px; }
.section-head.row { max-width: none; grid-template-columns: minmax(0, 1fr) auto; align-items: end; gap: 12px 32px; }
@media (max-width: 700px) { .section-head.row { grid-template-columns: 1fr; } }

/* product cards (home) */
.product-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 22px; }
.product { display: grid; grid-template-rows: auto 1fr; text-decoration: none; color: inherit; background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; transition: border-color .15s, transform .15s, box-shadow .15s; }
.product:hover { border-color: var(--blue); transform: translateY(-2px); box-shadow: 0 12px 28px rgba(27, 48, 72, .1); color: inherit; }
.product .p-img { aspect-ratio: 16 / 10; background: #f4f6f8; overflow: hidden; max-width: 100%; }
.product .p-img img { width: 100%; height: 100%; object-fit: cover; }
.product .p-img.contain img { object-fit: contain; padding: 14px; }
.product .p-img.icon { display: flex; align-items: center; justify-content: center; background: var(--kraft-tint); color: var(--kraft); }
.product .p-img.icon .ico { width: 64px; height: 64px; stroke-width: 1.3; }
.product .p-body { display: grid; gap: 10px; align-content: start; padding: 0 18px 20px; }
.product .p-body::before { content: ""; height: 6px; margin: 0 -18px 6px; background: var(--kraft); }
.product h3 { font-size: 1.25rem; }
.product p { color: var(--muted); font-size: 0.97rem; }
.product .more { display: inline-flex; align-items: center; gap: 6px; font-weight: 700; color: var(--blue); font-family: var(--font-display); font-stretch: 108%; margin-top: 4px; }
.product .more .ico { width: 18px; height: 18px; transition: transform .15s; }
.product:hover .more .ico { transform: translateX(3px); }
@media (max-width: 960px) { .product-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 600px) { .product-grid { grid-template-columns: 1fr; } }

/* coating line (web path) */
.webpath { list-style: none; display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 0; position: relative; counter-reset: step; }
.webpath::before { content: ""; position: absolute; left: 8%; right: 8%; top: 27px; height: 3px; background: repeating-linear-gradient(90deg, var(--on-ink-muted) 0 14px, transparent 14px 22px); opacity: .6; }
.webpath li { position: relative; display: grid; align-content: start; justify-items: center; text-align: center; gap: 10px; padding: 0 10px; counter-increment: step; }
.webpath .roller { width: 56px; height: 56px; border-radius: 50%; background: var(--ink-2); border: 3px solid #8fc0ec; display: grid; place-items: center; font-family: var(--font-mono); font-weight: 500; color: #fff; font-size: 0.9rem; position: relative; z-index: 1; }
.webpath .roller::after { content: counter(step, decimal-leading-zero); }
.webpath b { font-family: var(--font-display); font-stretch: 110%; font-size: 1.08rem; color: #fff; }
.webpath span { font-size: 0.92rem; color: var(--on-ink-muted); line-height: 1.45; }
@media (max-width: 900px) {
  .webpath { grid-template-columns: 1fr; gap: 0; }
  .webpath::before { left: 27px; right: auto; top: 28px; bottom: 28px; width: 3px; height: auto; background: repeating-linear-gradient(180deg, var(--on-ink-muted) 0 14px, transparent 14px 22px); }
  .webpath li { grid-template-columns: 56px minmax(0, 1fr); justify-items: start; text-align: left; column-gap: 16px; row-gap: 2px; padding: 0 0 22px; }
  .webpath .roller { grid-row: span 2; }
  .webpath b { align-self: end; }
}

/* split + lists */
.split { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(28px, 5vw, 64px); align-items: center; }
.split.top { align-items: start; }
.split-copy { display: grid; gap: 16px; min-width: 0; }
.split-copy p { color: var(--muted); }
.split-media { min-width: 0; }
.split-media img { width: 100%; border-radius: var(--radius); border: 1px solid var(--line); }
.split-media.contain { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; }
.split-media.contain img { border: 0; }
@media (max-width: 860px) { .split { grid-template-columns: 1fr; } .split.flip .split-media { order: -1; } }
.checks { list-style: none; display: grid; gap: 10px; }
.checks li { display: grid; grid-template-columns: 22px minmax(0, 1fr); gap: 10px; align-items: start; }
.checks li::before { content: ""; width: 18px; height: 18px; margin-top: 4px; border-radius: 50%; background: var(--blue) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12.5l4.5 4.5L19 7.5'/%3E%3C/svg%3E") center / 12px no-repeat; }
.checks.cols { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px 28px; }
@media (max-width: 600px) { .checks.cols { grid-template-columns: 1fr; } }

/* audience blocks */
.audience { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 22px; }
.aud { display: grid; gap: 14px; align-content: start; padding: 28px; background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); }
.aud .ico { width: 34px; height: 34px; color: var(--blue); }
.aud p { color: var(--muted); }
@media (max-width: 760px) { .audience { grid-template-columns: 1fr; } }

/* page hero (inner pages) */
.page-hero { background: var(--ink); color: var(--on-ink); }
.page-hero .wrap { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr); gap: clamp(28px, 5vw, 60px); align-items: center; padding-block: clamp(40px, 6vw, 72px); }
.page-hero.text-only .wrap { grid-template-columns: minmax(0, 1fr); }
.page-hero h1 { color: #fff; font-size: clamp(2.1rem, 1.5rem + 2.6vw, 3.2rem); }
.page-hero .lead { color: var(--on-ink-muted); }
.page-hero-copy { display: grid; gap: 18px; min-width: 0; }
.crumbs { display: flex; flex-wrap: wrap; gap: 8px; font-family: var(--font-mono); font-size: 0.76rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--on-ink-muted); }
.crumbs a { color: #8fc0ec; text-decoration: none; }
.crumbs a:hover { text-decoration: underline; color: #fff; }
.page-hero figure { margin: 0; min-width: 0; }
.page-hero figure img { width: 100%; border-radius: var(--radius); aspect-ratio: 4 / 3; object-fit: cover; }
.page-hero figure.contain img { object-fit: contain; background: #fff; padding: 18px; }
@media (max-width: 860px) { .page-hero .wrap { grid-template-columns: 1fr; } }

/* GSM grade cards (sublimation) */
.grades { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 18px; }
.grade { display: grid; gap: 10px; align-content: start; padding: 22px 20px; background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); border-top: 6px solid var(--kraft); }
.grade .gsm { font-family: var(--font-display); font-stretch: 118%; font-weight: 800; font-size: 2.5rem; line-height: 1; color: var(--ink); font-variant-numeric: tabular-nums; }
.grade .gsm small { font-size: 1rem; font-weight: 700; color: var(--muted); margin-left: 4px; letter-spacing: 0.04em; }
.grade b { font-family: var(--font-display); font-stretch: 108%; font-size: 1.08rem; color: var(--ink); }
.grade p { color: var(--muted); font-size: 0.95rem; }
.grade.custom { border-top-color: var(--blue); background: var(--sky); }
@media (max-width: 960px) { .grades { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 520px) { .grades { grid-template-columns: 1fr; } }

/* service groups */
.groups { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 22px; }
.groups.two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.groups.four { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.group { display: grid; gap: 14px; align-content: start; padding: 24px 22px; background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); min-width: 0; }
.group-head { display: flex; align-items: center; gap: 12px; }
.group-head .ico { width: 28px; height: 28px; color: var(--blue); }
.group ul { list-style: none; display: grid; gap: 8px; }
.group li { padding-left: 16px; position: relative; color: var(--text); font-size: 0.98rem; }
.group li::before { content: ""; position: absolute; left: 0; top: 0.68em; width: 7px; height: 2px; background: var(--kraft); }
.group p { color: var(--muted); font-size: 0.97rem; }
@media (max-width: 1000px) { .groups.four { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 900px) { .groups { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 600px) { .groups, .groups.two, .groups.four { grid-template-columns: 1fr; } }

/* uses chips */
.uses { display: flex; flex-wrap: wrap; gap: 10px; list-style: none; }
.uses li { padding: 8px 14px; border: 1px solid var(--line); border-radius: 999px; background: var(--paper); font-size: 0.95rem; color: var(--ink); }
.section.tint .uses li { border-color: #cfdcea; }

/* cta band */
.cta-band { background: var(--blue); color: #fff; }
.cta-band .wrap { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 20px 40px; align-items: center; padding-block: clamp(36px, 5vw, 52px); }
.cta-band h2 { color: #fff; font-size: clamp(1.6rem, 1.2rem + 1.4vw, 2.2rem); }
.cta-band p { color: #d7e7f6; margin-top: 8px; max-width: 60ch; }
.cta-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.cta-band .btn-light { background: #fff; color: var(--blue-strong); }
.cta-band .btn-light:hover { background: var(--ink); color: #fff; }
.cta-band .btn-line { color: #fff; }
.cta-band .btn-line:hover { background: #fff; color: var(--blue-strong); border-color: #fff; }
@media (max-width: 760px) { .cta-band .wrap { grid-template-columns: 1fr; } }

/* contact */
.contact-grid { display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(0, 0.7fr); gap: clamp(28px, 4vw, 48px); align-items: start; }
@media (max-width: 900px) { .contact-grid { grid-template-columns: 1fr; } }
.form-card { background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); padding: clamp(20px, 3vw, 32px); display: grid; gap: 18px; min-width: 0; }
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.form-grid .full { grid-column: 1 / -1; }
@media (max-width: 600px) { .form-grid { grid-template-columns: 1fr; } }
.field { display: grid; gap: 6px; min-width: 0; }
.field label { font-weight: 600; font-size: 0.95rem; color: var(--ink); }
.field label span { color: var(--muted); font-weight: 400; }
.field input, .field select, .field textarea { width: 100%; font: inherit; font-size: 1rem; color: var(--text); background: var(--paper); border: 1px solid #b9c7d5; border-radius: var(--radius); padding: 11px 12px; }
.field textarea { min-height: 120px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus { outline: 3px solid rgba(31, 104, 176, .25); border-color: var(--blue); }
.field .err { display: none; color: #b42318; font-size: 0.88rem; }
.field.invalid input, .field.invalid textarea { border-color: #b42318; }
.field.invalid .err { display: block; }
.form-note { font-size: 0.9rem; color: var(--muted); }
.form-error { color: #b42318; font-weight: 600; }
.q-result { display: grid; gap: 14px; }
.q-result pre { white-space: pre-wrap; word-break: break-word; font-family: var(--font-mono); font-size: 0.86rem; background: var(--sky); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px; margin: 0; max-height: 360px; overflow: auto; }
.q-actions { display: flex; flex-wrap: wrap; gap: 10px; }
.q-actions button.btn-line { font: inherit; font-family: var(--font-display); font-stretch: 108%; font-weight: 700; }
.contact-side { display: grid; gap: 16px; min-width: 0; }
.contact-card { display: grid; gap: 12px; padding: 22px; background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); }
.contact-card h3 { font-size: 1.1rem; }
.contact-line { display: grid; grid-template-columns: 22px minmax(0, 1fr); gap: 10px; align-items: start; }
.contact-line .ico { color: var(--blue); margin-top: 3px; }
.contact-line a, .contact-line span { word-break: break-word; }
.copy { font: inherit; font-size: 0.86rem; color: var(--blue); background: none; border: 0; padding: 0; cursor: pointer; text-decoration: underline; text-underline-offset: 3px; justify-self: start; }

/* prose (privacy) */
.prose { max-width: 70ch; display: grid; gap: 16px; }
.prose h2 { font-size: 1.4rem; margin-top: 12px; }
.prose p, .prose li { color: var(--text); }
.prose ul { padding-left: 20px; display: grid; gap: 6px; }

/* footer */
.site-footer { background: var(--ink); color: var(--on-ink-muted); font-size: 0.95rem; }
.foot-grid { display: grid; grid-template-columns: minmax(0, 1.4fr) repeat(3, minmax(0, 1fr)); gap: 32px; padding-block: 56px 40px; }
.foot-brand { display: grid; gap: 14px; align-content: start; }
.foot-brand .brand-word { color: #fff; }
.foot-brand .brand-word b { color: #8fc0ec; }
.foot-brand img { height: 50px; width: auto; }
.site-footer h3 { color: #fff; font-size: 1rem; font-stretch: 108%; margin-bottom: 14px; }
.site-footer ul { list-style: none; display: grid; gap: 9px; }
.site-footer a { color: var(--on-ink); text-decoration: none; }
.site-footer a:hover { color: #fff; text-decoration: underline; }
.foot-bottom { border-top: 1px solid rgba(255,255,255,.12); }
.foot-bottom .wrap { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px 24px; padding-block: 18px; font-size: 0.88rem; }
.foot-bottom a { color: #8fc0ec; }
@media (max-width: 900px) { .foot-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } .foot-brand { grid-column: 1 / -1; } }
@media (max-width: 520px) { .foot-grid { grid-template-columns: 1fr; } }

/* floating WhatsApp */
.float-wa { position: fixed; z-index: 60; right: calc(18px + env(safe-area-inset-right, 0px)); bottom: calc(18px + env(safe-area-inset-bottom, 0px)); display: inline-flex; align-items: center; gap: 8px; padding: 13px 18px; border-radius: 999px; background: var(--wa); color: #fff; text-decoration: none; font-weight: 700; box-shadow: 0 10px 24px rgba(0,0,0,.2); }
.float-wa:hover { background: #178a45; color: #fff; }
.float-wa .ico { width: 22px; height: 22px; }
@media (max-width: 600px) { .float-wa span { display: none; } .float-wa { padding: 14px; } }

.mt-24 { margin-top: 24px; }
.mt-40 { margin-top: 40px; }
.note { font-size: 0.92rem; color: var(--muted); }

/* secondary products (home) */
.also { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; margin-top: 22px; }
.also a { display: grid; grid-template-columns: auto minmax(0, 1fr) auto; gap: 16px; align-items: center; padding: 18px 20px; border: 1px solid var(--line); border-radius: var(--radius); text-decoration: none; color: var(--text); background: var(--paper); }
.also a:hover { border-color: var(--blue); color: var(--text); }
.also .ico { width: 30px; height: 30px; color: var(--kraft); }
.also b { display: block; font-family: var(--font-display); font-stretch: 108%; color: var(--ink); font-size: 1.05rem; }
.also span { color: var(--muted); font-size: 0.93rem; }
.also .go { color: var(--blue); width: 20px; height: 20px; }
@media (max-width: 700px) { .also { grid-template-columns: 1fr; } }
.product-grid.four { grid-template-columns: repeat(4, minmax(0, 1fr)); }
@media (max-width: 1100px) { .product-grid.four { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 600px) { .product-grid.four { grid-template-columns: 1fr; } }
.nav .sub .sub-sep { height: 1px; background: var(--line); margin: 6px 4px; }
.coat-types { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 18px; }
.coat-type { display: grid; gap: 10px; align-content: start; padding: 22px 20px; background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); position: relative; overflow: hidden; }
.coat-type .layers { display: grid; gap: 3px; margin-bottom: 6px; }
.coat-type .layers i { display: block; height: 8px; border-radius: 2px; }
.coat-type .layers i:last-child { height: 16px; background: #e9e4da; }
.coat-type b { font-family: var(--font-display); font-stretch: 108%; font-size: 1.1rem; color: var(--ink); }
.coat-type p { color: var(--muted); font-size: 0.95rem; }
.coat-type a { font-weight: 600; font-size: 0.95rem; }
@media (max-width: 1000px) { .coat-types { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 560px) { .coat-types { grid-template-columns: 1fr; } }
.section.ink .btn-line { color: var(--on-ink); }
.section.ink .btn-line:hover { background: var(--on-ink); color: var(--ink); border-color: var(--on-ink); }
.brand img { align-self: flex-start; }
.foot-brand .brand { justify-self: start; }
.press-fig { margin: 0; display: grid; gap: 10px; }
.press-fig svg { width: 100%; height: auto; display: block; }
.press-fig figcaption { font-family: var(--font-mono); font-size: 0.78rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); text-align: center; }
.roll-label.label-lg .rl-title { font-size: 1.2rem; }
.roll-label.label-lg .spec-lines { font-size: 0.9rem; }
.roll-label.label-lg .spec-lines div { grid-template-columns: 90px minmax(0, 1fr); padding-block: 9px; }
/* email chooser */
.mail-menu { position: absolute; z-index: 80; display: grid; gap: 2px; min-width: 230px; padding: 8px; background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: 0 14px 34px rgba(27, 48, 72, .18); font-size: 0.95rem; }
.mail-menu .mail-addr { font-family: var(--font-mono); font-size: 0.8rem; color: var(--muted); padding: 6px 10px 8px; border-bottom: 1px solid var(--line); margin-bottom: 4px; word-break: break-all; }
.mail-menu a, .mail-menu button { display: block; text-align: left; padding: 9px 10px; border-radius: var(--radius); color: var(--ink); text-decoration: none; font: inherit; font-weight: 600; background: none; border: 0; cursor: pointer; }
.mail-menu a:hover, .mail-menu button:hover, .mail-menu a:focus-visible, .mail-menu button:focus-visible { background: var(--sky); color: var(--blue); }