/* TNB GmbH – Industrieservice & Trockeneis */
:root {
  --orange: #e8710a;
  --orange-dark: #b85606;
  --ink: #15171a;
  --ink-2: #2a2e33;
  --steel: #5d646c;
  --line: #d9dcdf;
  --paper: #f4f4f2;
  --white: #fff;
  --display: "Bahnschrift", "DIN Alternate", "Roboto Condensed", "Arial Narrow", "Helvetica Neue", Arial, sans-serif;
  --text: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  --wrap: 1160px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font: 16px/1.6 var(--text);
  color: var(--ink);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; }
h1, h2, h3, h4 { font-family: var(--display); line-height: 1.1; margin: 0 0 .5em; letter-spacing: .01em; }
h1 { font-size: clamp(2.4rem, 5.2vw, 4.2rem); font-weight: 700; text-transform: uppercase; }
h2 { font-size: clamp(1.7rem, 3vw, 2.4rem); font-weight: 700; text-transform: uppercase; }
h3 { font-size: 1.2rem; font-weight: 700; text-transform: uppercase; }
p { margin: 0 0 1em; }
.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }
.eyebrow {
  font: 700 .8rem/1 var(--display); letter-spacing: .16em; text-transform: uppercase;
  color: var(--orange-dark); margin-bottom: 1rem; display: block;
}
.skip { position: absolute; left: -999px; }
.skip:focus { left: 12px; top: 12px; background: var(--ink); color: #fff; padding: 8px 12px; z-index: 99; }
:focus-visible { outline: 3px solid var(--orange); outline-offset: 2px; }

/* top bar */
.topbar { background: var(--ink); color: #c9ced3; font-size: .85rem; }
.topbar .wrap { display: flex; justify-content: space-between; gap: 16px; padding-top: 8px; padding-bottom: 8px; flex-wrap: wrap; }
.topbar a { text-decoration: none; }
.topbar strong { color: #fff; font-weight: 600; }
.topbar .live { color: var(--orange); font-weight: 700; letter-spacing: .06em; }

/* header */
.site-header { background: var(--white); border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 50; }
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; min-height: 76px; gap: 24px; }
.brand img { height: 56px; width: auto; mix-blend-mode: multiply; }
.nav { display: flex; align-items: center; gap: 4px; }
.nav a {
  font: 600 .95rem var(--display); text-transform: uppercase; letter-spacing: .07em;
  text-decoration: none; padding: 10px 14px; border-bottom: 3px solid transparent;
}
.nav a:hover { border-color: var(--line); }
.nav a[aria-current="page"] { border-color: var(--orange); }
.nav .nav-shop { background: var(--orange); color: #fff; margin-left: 8px; border: 0; }
.nav .nav-shop:hover { background: var(--orange-dark); }
.cart-count { display: inline-block; min-width: 1.4em; padding: 0 .35em; margin-left: .4em; background: var(--ink); color: #fff; font-size: .8em; text-align: center; }
.menu-btn { display: none; background: none; border: 2px solid var(--ink); padding: 8px 12px; font: 700 .85rem var(--display); letter-spacing: .1em; text-transform: uppercase; cursor: pointer; }

/* buttons */
.btn {
  display: inline-block; font: 700 1rem var(--display); letter-spacing: .08em; text-transform: uppercase;
  text-decoration: none; padding: 15px 28px; border: 2px solid var(--orange);
  background: var(--orange); color: #fff; cursor: pointer; transition: background .15s, color .15s;
}
.btn:hover { background: var(--orange-dark); border-color: var(--orange-dark); }
.btn.ghost { background: transparent; color: var(--ink); border-color: var(--ink); }
.btn.ghost:hover { background: var(--ink); color: #fff; }
.btn.on-dark.ghost { color: #fff; border-color: #fff; }
.btn.on-dark.ghost:hover { background: #fff; color: var(--ink); }

/* hero */
.hero { background: var(--paper); border-bottom: 1px solid var(--line); overflow: hidden; }
.hero .wrap { display: grid; grid-template-columns: 1.05fr .95fr; gap: 56px; align-items: stretch; padding-top: 72px; padding-bottom: 0; }
.hero-copy { padding-bottom: 72px; }
.hero h1 span { color: var(--orange); display: block; }
.hero .lead { font-size: 1.15rem; max-width: 34em; color: var(--ink-2); margin: 24px 0 32px; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.hero-media { position: relative; align-self: end; }
.hero-media img { width: 100%; clip-path: polygon(14% 0, 100% 0, 100% 100%, 0 100%, 0 14%); aspect-ratio: 4/3.2; object-fit: cover; }
.hero-tag {
  position: absolute; left: 0; bottom: 28px; background: var(--orange); color: #fff;
  font: 700 1rem var(--display); letter-spacing: .06em; text-transform: uppercase; padding: 12px 22px 12px 20px;
  clip-path: polygon(0 0, 100% 0, calc(100% - 14px) 100%, 0 100%);
}

/* facts strip */
.facts { background: var(--ink); color: #fff; }
.facts .wrap { display: grid; grid-template-columns: repeat(4, 1fr); }
.fact { padding: 28px 24px; border-left: 1px solid #373c42; }
.fact:first-child { border-left: 0; padding-left: 0; }
.fact b { display: block; font: 700 2rem/1 var(--display); color: var(--orange); margin-bottom: 6px; }
.fact span { color: #b9bfc5; font-size: .92rem; }

/* sections */
section { padding: 88px 0; }
.section-head { max-width: 40em; margin-bottom: 48px; }
.section-head p { color: var(--steel); font-size: 1.05rem; }
.alt { background: var(--paper); }
.dark { background: var(--ink); color: #e9ecef; }
.dark .eyebrow { color: var(--orange); }
.dark .section-head p { color: #aeb5bc; }

.split { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.split.top { align-items: start; }
.photo { border: 1px solid var(--line); }

/* spec table */
.spec { width: 100%; border-collapse: collapse; font-size: .98rem; }
.spec th, .spec td { text-align: left; padding: 14px 16px; border-bottom: 1px solid var(--line); vertical-align: top; }
.spec thead th { font: 700 .8rem var(--display); letter-spacing: .12em; text-transform: uppercase; color: var(--steel); border-bottom: 2px solid var(--ink); }
.spec td:first-child { font: 700 1.3rem var(--display); white-space: nowrap; }

/* services list */
.ruled { list-style: none; margin: 0; padding: 0; border-top: 2px solid var(--ink); }
.ruled li { display: grid; grid-template-columns: 60px 1fr 1.3fr; gap: 24px; padding: 24px 0; border-bottom: 1px solid var(--line); align-items: baseline; }
.ruled .n { font: 700 1rem var(--display); color: var(--orange-dark); letter-spacing: .1em; }
.ruled h3 { margin: 0; font-size: 1.35rem; }
.ruled p { margin: 0; color: var(--steel); }
.dark .ruled { border-color: #fff; }
.dark .ruled li { border-color: #3a3f45; }
.dark .ruled p { color: #aeb5bc; }

/* check list */
.checks { list-style: none; padding: 0; margin: 0; }
.checks li { padding: 10px 0 10px 34px; position: relative; border-bottom: 1px solid var(--line); }
.checks li::before {
  content: ""; position: absolute; left: 4px; top: 17px; width: 10px; height: 6px;
  border-left: 3px solid var(--orange); border-bottom: 3px solid var(--orange); transform: rotate(-45deg);
}
.dark .checks li { border-color: #3a3f45; }

/* areas */
.areas { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.area { padding: 26px 22px 30px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); background: var(--white); }
.area h3 { font-size: 1.05rem; margin-bottom: .4em; }
.area p { margin: 0; font-size: .92rem; color: var(--steel); }
.area i { display: block; width: 28px; height: 4px; background: var(--orange); margin-bottom: 18px; }

/* cta band */
.cta { background: var(--orange); color: #fff; padding: 56px 0; }
.cta .wrap { display: flex; justify-content: space-between; align-items: center; gap: 32px; flex-wrap: wrap; }
.cta h2 { margin: 0; }
.cta .btn { background: var(--ink); border-color: var(--ink); }
.cta .btn:hover { background: #000; }
.cta .phone { font: 700 clamp(1.6rem, 3vw, 2.4rem) var(--display); text-decoration: none; }

/* page hero (subpages) */
.page-hero { background: var(--ink); color: #fff; padding: 64px 0 56px; border-bottom: 6px solid var(--orange); }
.page-hero h1 { margin: 0 0 .3em; font-size: clamp(2rem, 4.2vw, 3.2rem); }
.page-hero p { color: #b9bfc5; max-width: 40em; margin: 0; font-size: 1.1rem; }
.crumbs { font-size: .85rem; color: #8b929a; margin-bottom: 18px; }
.crumbs a { text-decoration: none; }
.crumbs a:hover { text-decoration: underline; }

/* shop */
.shop-layout { display: grid; grid-template-columns: 1fr 380px; gap: 40px; align-items: start; }
.shop-notice { background: var(--paper); border-left: 4px solid var(--orange); padding: 16px 20px; font-size: .95rem; margin-bottom: 32px; }
.product { border: 1px solid var(--line); margin-bottom: 20px; background: #fff; }
.product-head { display: grid; grid-template-columns: 120px 1fr; }
.grain { background: var(--ink); color: #fff; display: flex; flex-direction: column; justify-content: center; align-items: center; padding: 16px 8px; }
.grain b { font: 700 2.1rem/1 var(--display); color: var(--orange); }
.grain span { font-size: .75rem; letter-spacing: .12em; text-transform: uppercase; margin-top: 4px; }
.product-body { padding: 20px 24px; }
.product-body h3 { margin: 0 0 4px; font-size: 1.3rem; }
.product-body .use { color: var(--steel); font-size: .93rem; margin: 0; }
.product-buy { display: grid; grid-template-columns: 1fr auto; gap: 16px; padding: 16px 24px; border-top: 1px solid var(--line); background: var(--paper); align-items: end; }
.sizes { display: flex; flex-wrap: wrap; gap: 8px; }
.size { position: relative; }
.size input { position: absolute; opacity: 0; inset: 0; cursor: pointer; }
.size label {
  display: block; padding: 8px 14px; border: 2px solid var(--line); background: #fff; cursor: pointer;
  font: 600 .95rem var(--display); letter-spacing: .04em; min-width: 78px; text-align: center; line-height: 1.25;
}
.size label small { display: block; font: 400 .72rem var(--text); color: var(--steel); letter-spacing: 0; }
.size input:checked + label { border-color: var(--orange); background: #fff4ea; }
.size input:focus-visible + label { outline: 3px solid var(--orange); outline-offset: 2px; }
.buy-side { text-align: right; }
.price { font: 700 1.6rem/1 var(--display); display: block; margin-bottom: 8px; }
.price small { display: block; font: 400 .75rem var(--text); color: var(--steel); margin-top: 4px; }
.add { padding: 11px 20px; font-size: .9rem; }

.cart { border: 2px solid var(--ink); position: sticky; top: 100px; background: #fff; }
.cart h2 { font-size: 1.2rem; margin: 0; padding: 14px 20px; background: var(--ink); color: #fff; }
.cart-body { padding: 8px 20px 20px; }
.cart-empty { color: var(--steel); padding: 16px 0; font-size: .95rem; }
.cart-line { display: grid; grid-template-columns: 1fr auto; gap: 4px 12px; padding: 12px 0; border-bottom: 1px solid var(--line); font-size: .93rem; }
.cart-line .t { font-weight: 600; }
.cart-line .m { color: var(--steel); font-size: .85rem; }
.cart-line .p { font-weight: 700; text-align: right; }
.qty { display: inline-flex; align-items: center; border: 1px solid var(--line); margin-top: 6px; }
.qty button { width: 28px; height: 28px; border: 0; background: var(--paper); cursor: pointer; font-size: 1rem; }
.qty span { min-width: 30px; text-align: center; font-size: .9rem; }
.rm { background: none; border: 0; color: var(--steel); text-decoration: underline; cursor: pointer; font-size: .8rem; margin-left: 10px; }
.totals { padding-top: 14px; font-size: .93rem; }
.totals div { display: flex; justify-content: space-between; padding: 3px 0; }
.totals .sum { font: 700 1.25rem var(--display); border-top: 2px solid var(--ink); margin-top: 8px; padding-top: 10px; }
.cart .btn { width: 100%; text-align: center; margin-top: 16px; }
.cart .btn[disabled] { background: var(--line); border-color: var(--line); color: var(--steel); cursor: not-allowed; }

.checkout { display: none; margin-top: 40px; }
.checkout.open { display: block; }

/* forms */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px 20px; }
.form-grid .full { grid-column: 1 / -1; }
label.f { display: block; font: 700 .8rem var(--display); letter-spacing: .1em; text-transform: uppercase; margin-bottom: 6px; }
input[type=text], input[type=email], input[type=tel], input[type=date], select, textarea {
  width: 100%; font: inherit; padding: 12px 14px; border: 1px solid #aeb3b8; background: #fff; border-radius: 0; color: var(--ink);
}
textarea { min-height: 130px; resize: vertical; }
input:focus, select:focus, textarea:focus { outline: 3px solid var(--orange); outline-offset: 0; border-color: var(--ink); }
fieldset { border: 0; padding: 0; margin: 0; }
.radio-row { display: flex; gap: 12px; flex-wrap: wrap; }
.radio-row label { border: 2px solid var(--line); padding: 10px 16px; cursor: pointer; font-weight: 600; }
.radio-row input { accent-color: var(--orange); margin-right: 8px; }
.check { display: flex; gap: 10px; align-items: flex-start; font-size: .92rem; }
.check input { margin-top: 5px; accent-color: var(--orange); }
.hp { position: absolute; left: -9999px; }
.form-note { font-size: .88rem; color: var(--steel); }

/* contact */
.contact-grid { display: grid; grid-template-columns: .85fr 1.15fr; gap: 64px; }
.contact-list { list-style: none; padding: 0; margin: 0 0 32px; border-top: 2px solid var(--ink); }
.contact-list li { padding: 16px 0; border-bottom: 1px solid var(--line); display: grid; grid-template-columns: 110px 1fr; gap: 12px; }
.contact-list b { font: 700 .8rem var(--display); letter-spacing: .12em; text-transform: uppercase; color: var(--steel); padding-top: 3px; }
.contact-list a { text-decoration: none; font-weight: 600; }
.contact-list a:hover { color: var(--orange-dark); text-decoration: underline; }
.map-box { border: 1px solid var(--line); padding: 20px; background: var(--paper); font-size: .93rem; }
.map-box a { font-weight: 700; }

/* legal */
.legal { max-width: 46rem; }
.legal h2 { font-size: 1.35rem; margin-top: 2.2em; }
.legal h3 { text-transform: none; font-size: 1.05rem; margin-top: 1.6em; }
.todo { background: #fff3c4; padding: 0 4px; }

/* footer */
.site-footer { background: var(--ink); color: #b9bfc5; padding: 64px 0 0; font-size: .95rem; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 40px; padding-bottom: 48px; }
.site-footer h4 { color: #fff; font-size: .85rem; letter-spacing: .14em; text-transform: uppercase; margin-bottom: 1em; }
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer li { margin-bottom: 8px; }
.site-footer a { text-decoration: none; }
.site-footer a:hover { color: #fff; text-decoration: underline; }
.footer-brand b { color: #fff; font: 700 1.5rem var(--display); display: block; margin-bottom: 8px; }
.footer-bottom { border-top: 1px solid #373c42; padding: 18px 0; font-size: .85rem; display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }

/* responsive */
@media (max-width: 960px) {
  .hero .wrap, .split, .contact-grid, .shop-layout { grid-template-columns: 1fr; }
  .hero .wrap { gap: 32px; padding-top: 48px; }
  .hero-copy { padding-bottom: 0; }
  .facts .wrap { grid-template-columns: 1fr 1fr; }
  .fact:nth-child(3) { border-left: 0; padding-left: 0; }
  .areas { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .cart { position: static; }
  .ruled li { grid-template-columns: 44px 1fr; }
  .ruled li p { grid-column: 2; }
  section { padding: 64px 0; }
}
@media (max-width: 820px) {
  .menu-btn { display: block; }
  .nav { display: none; position: absolute; left: 0; right: 0; top: 100%; background: #fff; flex-direction: column; align-items: stretch; border-bottom: 1px solid var(--line); padding: 8px 24px 20px; }
  .nav.open { display: flex; }
  .nav a { padding: 14px 0; border-bottom: 1px solid var(--line); }
  .nav .nav-shop { margin: 12px 0 0; text-align: center; }
  .site-header .wrap { position: relative; }
}
@media (max-width: 560px) {
  .wrap { padding: 0 18px; }
  .topbar .hide-sm { display: none; }
  .areas, .form-grid, .footer-grid { grid-template-columns: 1fr; }
  .product-head { grid-template-columns: 90px 1fr; }
  .product-buy { grid-template-columns: 1fr; }
  .buy-side { text-align: left; }
  .contact-list li { grid-template-columns: 1fr; gap: 2px; }
  .facts .wrap { grid-template-columns: 1fr; }
  .fact, .fact:nth-child(3) { border-left: 0; padding-left: 0; border-top: 1px solid #373c42; }
  .fact:first-child { border-top: 0; }
}
@media print { .topbar, .site-header, .cart, .site-footer { display: none; } }

/* ---------- Animationen (dezent, respektiert "weniger Bewegung") ---------- */
:root { --ease: cubic-bezier(.2, .7, .2, 1); }

.btn, .nav a, .area, .size label, .product, .photo { transition: transform .25s var(--ease), box-shadow .25s var(--ease), background-color .2s, color .2s, border-color .2s; }
.btn:hover { transform: translateY(-2px); box-shadow: 0 8px 18px -8px rgba(21, 23, 26, .45); }
.btn:active { transform: translateY(0); box-shadow: none; }
.site-header { transition: box-shadow .3s; }
.site-header.scrolled { box-shadow: 0 6px 20px -14px rgba(0, 0, 0, .5); }
.brand img { transition: height .3s var(--ease); }
.site-header.scrolled .brand img { height: 46px; }
.site-header .wrap { transition: min-height .3s var(--ease); }
.site-header.scrolled .wrap { min-height: 64px; }

.area { position: relative; }
.area:hover { background: var(--paper); }
.area i { transition: width .35s var(--ease); }
.area:hover i { width: 56px; }
.product:hover { box-shadow: 0 14px 30px -22px rgba(0, 0, 0, .55); }
.size label:hover { border-color: var(--steel); }

@keyframes bump { 0% { transform: scale(1); } 40% { transform: scale(1.45); } 100% { transform: scale(1); } }
.cart-count.bump { animation: bump .4s var(--ease); }
@keyframes line-in { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }
.cart-line { animation: line-in .3s var(--ease); }

/* nur wenn JS läuft, damit die Seite ohne Skripte immer sichtbar bleibt */
.js .hero-copy > *, .js .hero-media { opacity: 0; transform: translateY(18px); }
.js.ready .hero-copy > *, .js.ready .hero-media { opacity: 1; transform: none; transition: opacity .7s var(--ease), transform .7s var(--ease); }
.js.ready .hero-copy > :nth-child(1) { transition-delay: .05s; }
.js.ready .hero-copy > :nth-child(2) { transition-delay: .15s; }
.js.ready .hero-copy > :nth-child(3) { transition-delay: .25s; }
.js.ready .hero-copy > :nth-child(4) { transition-delay: .35s; }
.js.ready .hero-media { transition-delay: .2s; }
.js .hero-tag { opacity: 0; transform: translateX(-24px); }
.js.ready .hero-tag { opacity: 1; transform: none; transition: opacity .6s var(--ease) .7s, transform .6s var(--ease) .7s; }

.js .reveal { opacity: 0; transform: translateY(26px); }
.js .reveal.in { opacity: 1; transform: none; transition: opacity .7s var(--ease), transform .7s var(--ease); transition-delay: var(--d, 0s); }

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