/* Berlin Classic Bikes — one-page demand test
   Palette: Fahrzeugschein grey-green paper, navy ink, Bonneville green,
   rubber-stamp red. Type: Sofia Sans Extra Condensed (display), PT Serif (text). */

@font-face { font-family: "Sofia Sans XC"; font-weight: 700; font-display: swap;
  src: url(../fonts/sofia-sans-extra-condensed-latin-700-normal.woff2) format("woff2");
  unicode-range: U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD; }
@font-face { font-family: "Sofia Sans XC"; font-weight: 700; font-display: swap;
  src: url(../fonts/sofia-sans-extra-condensed-latin-ext-700-normal.woff2) format("woff2");
  unicode-range: U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF; }
@font-face { font-family: "Sofia Sans XC"; font-weight: 700; font-display: swap;
  src: url(../fonts/sofia-sans-extra-condensed-cyrillic-700-normal.woff2) format("woff2");
  unicode-range: U+0301,U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116; }
@font-face { font-family: "Sofia Sans XC"; font-weight: 700; font-display: swap;
  src: url(../fonts/sofia-sans-extra-condensed-cyrillic-ext-700-normal.woff2) format("woff2");
  unicode-range: U+0460-052F,U+1C80-1C8A,U+20B4,U+2DE0-2DFF,U+A640-A69F,U+FE2E-FE2F; }
@font-face { font-family: "Sofia Sans XC"; font-weight: 800; font-display: swap;
  src: url(../fonts/sofia-sans-extra-condensed-latin-800-normal.woff2) format("woff2");
  unicode-range: U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD; }
@font-face { font-family: "Sofia Sans XC"; font-weight: 800; font-display: swap;
  src: url(../fonts/sofia-sans-extra-condensed-latin-ext-800-normal.woff2) format("woff2");
  unicode-range: U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF; }
@font-face { font-family: "Sofia Sans XC"; font-weight: 800; font-display: swap;
  src: url(../fonts/sofia-sans-extra-condensed-cyrillic-800-normal.woff2) format("woff2");
  unicode-range: U+0301,U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116; }
@font-face { font-family: "Sofia Sans XC"; font-weight: 800; font-display: swap;
  src: url(../fonts/sofia-sans-extra-condensed-cyrillic-ext-800-normal.woff2) format("woff2");
  unicode-range: U+0460-052F,U+1C80-1C8A,U+20B4,U+2DE0-2DFF,U+A640-A69F,U+FE2E-FE2F; }

@font-face { font-family: "PT Serif"; font-weight: 400; font-display: swap;
  src: url(../fonts/pt-serif-latin-400-normal.woff2) format("woff2");
  unicode-range: U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD; }
@font-face { font-family: "PT Serif"; font-weight: 400; font-display: swap;
  src: url(../fonts/pt-serif-latin-ext-400-normal.woff2) format("woff2");
  unicode-range: U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF; }
@font-face { font-family: "PT Serif"; font-weight: 400; font-display: swap;
  src: url(../fonts/pt-serif-cyrillic-400-normal.woff2) format("woff2");
  unicode-range: U+0301,U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116; }
@font-face { font-family: "PT Serif"; font-weight: 400; font-display: swap;
  src: url(../fonts/pt-serif-cyrillic-ext-400-normal.woff2) format("woff2");
  unicode-range: U+0460-052F,U+1C80-1C8A,U+20B4,U+2DE0-2DFF,U+A640-A69F,U+FE2E-FE2F; }
@font-face { font-family: "PT Serif"; font-weight: 400; font-style: italic; font-display: swap;
  src: url(../fonts/pt-serif-latin-400-italic.woff2) format("woff2");
  unicode-range: U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD; }
@font-face { font-family: "PT Serif"; font-weight: 400; font-style: italic; font-display: swap;
  src: url(../fonts/pt-serif-latin-ext-400-italic.woff2) format("woff2");
  unicode-range: U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF; }
@font-face { font-family: "PT Serif"; font-weight: 400; font-style: italic; font-display: swap;
  src: url(../fonts/pt-serif-cyrillic-400-italic.woff2) format("woff2");
  unicode-range: U+0301,U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116; }
@font-face { font-family: "PT Serif"; font-weight: 400; font-style: italic; font-display: swap;
  src: url(../fonts/pt-serif-cyrillic-ext-400-italic.woff2) format("woff2");
  unicode-range: U+0460-052F,U+1C80-1C8A,U+20B4,U+2DE0-2DFF,U+A640-A69F,U+FE2E-FE2F; }
@font-face { font-family: "PT Serif"; font-weight: 700; font-display: swap;
  src: url(../fonts/pt-serif-latin-700-normal.woff2) format("woff2");
  unicode-range: U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD; }
@font-face { font-family: "PT Serif"; font-weight: 700; font-display: swap;
  src: url(../fonts/pt-serif-latin-ext-700-normal.woff2) format("woff2");
  unicode-range: U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF; }
@font-face { font-family: "PT Serif"; font-weight: 700; font-display: swap;
  src: url(../fonts/pt-serif-cyrillic-700-normal.woff2) format("woff2");
  unicode-range: U+0301,U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116; }
@font-face { font-family: "PT Serif"; font-weight: 700; font-display: swap;
  src: url(../fonts/pt-serif-cyrillic-ext-700-normal.woff2) format("woff2");
  unicode-range: U+0460-052F,U+1C80-1C8A,U+20B4,U+2DE0-2DFF,U+A640-A69F,U+FE2E-FE2F; }

:root {
  --paper: #e3e7dc;
  --paper-deep: #d3d9ca;
  --field: #f7f8f3;
  --ink: #1d2836;
  --ink-soft: #3f4b59;
  --green: #2d5a47;
  --green-dark: #224536;
  --stamp: #a2382a;
  --rule: #9aa594;
  --triumph: #2d5a47;
  --bmw: #3c5a8a;
  --guzzi: #9b2f2a;

  --display: "Sofia Sans XC", "Arial Narrow", "Roboto Condensed", sans-serif;
  --text: "PT Serif", Georgia, "Times New Roman", serif;

  --step--1: 0.875rem;
  --step-0: 1.0625rem;
  --step-1: 1.3rem;
  --step-2: 1.75rem;
  --step-3: 2.6rem;
  --step-4: clamp(3.4rem, 9vw, 7.6rem);

  --measure: 34em;
  --gutter: clamp(1.25rem, 4vw, 3rem);
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  overflow-x: clip;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--text);
  font-size: var(--step-0);
  line-height: 1.6;
  /* faint paper fibres: two crossed hairline grids, the Fahrzeugschein security print */
  background-image:
    repeating-linear-gradient(135deg, rgba(45,90,71,.035) 0 1px, transparent 1px 7px),
    repeating-linear-gradient(45deg, rgba(45,90,71,.025) 0 1px, transparent 1px 9px);
}

img { max-width: 100%; height: auto; display: block; }
[hidden] { display: none !important; }
a { color: var(--green); text-underline-offset: .18em; }
a:hover { color: var(--green-dark); }

:focus-visible {
  outline: 3px solid var(--stamp);
  outline-offset: 3px;
}

.skip {
  position: absolute; left: -999px; top: 0;
  background: var(--ink); color: var(--field); padding: .6rem 1rem; z-index: 10;
}
.skip:focus { left: 1rem; top: 1rem; }

.wrap { max-width: 76rem; margin: 0 auto; padding: 0 var(--gutter); }

/* ---------- header ---------- */
.top {
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  padding-top: 1.25rem; padding-bottom: 1.25rem;
}
.brand {
  font-family: var(--display); font-weight: 800; font-size: 1.55rem; line-height: 1;
  letter-spacing: .01em; color: var(--ink); text-decoration: none;
}
.brand span { color: var(--green); }

.langs { display: flex; gap: .15rem; flex-wrap: wrap; justify-content: flex-end; }
.langs button {
  font-family: var(--display); font-weight: 700; font-size: 1.05rem;
  background: none; border: 1.5px solid transparent; color: var(--ink-soft);
  padding: .25rem .55rem; border-radius: 3px; cursor: pointer; min-width: 2.6rem; min-height: 2.5rem;
}
.langs button:hover { color: var(--ink); border-color: var(--rule); }
.langs button[aria-pressed="true"] { color: var(--field); background: var(--ink); border-color: var(--ink); }

/* ---------- hero ---------- */
.hero {
  display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
  gap: clamp(1.5rem, 4vw, 3.5rem); align-items: end;
  padding-top: clamp(1rem, 4vw, 3rem); padding-bottom: clamp(2.5rem, 6vw, 5rem);
}
.hero h1 {
  font-family: var(--display); font-weight: 800; font-size: var(--step-4);
  line-height: .86; letter-spacing: -.01em; margin: 0 0 1.4rem;
  text-wrap: balance;
}
.hero h1 .line2 { display: block; color: var(--green); }
.hero .lead { font-size: var(--step-1); line-height: 1.5; max-width: var(--measure); margin: 0 0 1.8rem; }

.btn {
  display: inline-flex; align-items: center; justify-content: center;
  font-family: var(--display); font-weight: 700; font-size: 1.35rem; letter-spacing: .01em;
  background: var(--green); color: var(--field); text-decoration: none;
  border: 0; border-radius: 3px; padding: .7rem 1.5rem; min-height: 3rem; cursor: pointer;
  box-shadow: 0 3px 0 var(--green-dark);
}
.btn:hover { background: var(--green-dark); color: var(--field); }
.btn:active { transform: translateY(2px); box-shadow: 0 1px 0 var(--green-dark); }
.btn[disabled] { opacity: .6; cursor: progress; }

.hero-photo { position: relative; margin: 0; }
.hero-photo img {
  width: 100%; aspect-ratio: 4 / 3; object-fit: cover;
  border: 10px solid var(--field); box-shadow: 0 1px 0 var(--rule), 0 18px 40px -24px rgba(29,40,54,.55);
  background: var(--paper-deep);
}
.hero-photo figcaption { font-size: var(--step--1); color: var(--ink-soft); margin-top: .5rem; }

/* ---------- sections ---------- */
section { padding-top: clamp(2.5rem, 6vw, 4.5rem); padding-bottom: clamp(2.5rem, 6vw, 4.5rem); }
.sec-head { max-width: 46rem; margin-bottom: 2rem; }
h2 {
  font-family: var(--display); font-weight: 800; font-size: var(--step-3);
  line-height: .95; margin: 0 0 .7rem; letter-spacing: -.005em;
}
.sec-head p { margin: 0; color: var(--ink-soft); max-width: var(--measure); }
.band { border-top: 2px solid var(--ink); }

/* ---------- bikes: three registration documents ---------- */
.bikes { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(1rem, 2.5vw, 2rem); }
.doc {
  background: var(--field); border: 1px solid var(--rule);
  border-top: 8px solid var(--c, var(--green));
  display: flex; flex-direction: column;
}
.doc[data-bike="t100"] { --c: var(--triumph); }
.doc[data-bike="r100rs"] { --c: var(--bmw); }
.doc[data-bike="v7"] { --c: var(--guzzi); }
.doc .photo { margin: 0; position: relative; background: var(--paper-deep); }
.doc .photo img { width: 100%; aspect-ratio: 3 / 2; object-fit: cover; }
.doc .photo .tag {
  position: absolute; left: .6rem; bottom: .6rem;
  background: rgba(247,248,243,.92); color: var(--ink-soft); font-size: .78rem; font-style: italic;
  padding: .1rem .45rem; border-radius: 2px;
}
.doc .body { padding: 1.1rem 1.2rem 1.3rem; display: flex; flex-direction: column; flex: 1; }
.doc h3 {
  font-family: var(--display); font-weight: 800; font-size: 2rem; line-height: .95; margin: 0;
}
.doc .year { font-family: var(--display); font-weight: 700; font-size: 1.25rem; color: var(--c); margin: .2rem 0 .7rem; }
.doc .desc { margin: 0 0 1rem; font-size: 1rem; }

/* spec grid styled like the numbered fields of an old Fahrzeugschein */
.fields { display: grid; grid-template-columns: 1fr 1fr; margin: 0 0 1.2rem; border-top: 1px solid var(--rule); }
.fields div { padding: .45rem .5rem .4rem 0; border-bottom: 1px solid var(--rule); }
.fields div:nth-child(odd) { border-right: 1px solid var(--rule); padding-right: .6rem; }
.fields div:nth-child(even) { padding-left: .6rem; }
.fields dt { font-size: .76rem; color: var(--ink-soft); line-height: 1.2; }
.fields dd { margin: 0; font-size: .95rem; line-height: 1.3; font-weight: 700; }
.doc .btn { margin-top: auto; align-self: flex-start; font-size: 1.2rem; background: var(--c); box-shadow: 0 3px 0 rgba(0,0,0,.25); }
.doc .btn:hover { filter: brightness(.88); background: var(--c); }

/* ---------- prices ---------- */
.prices { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr); gap: clamp(1.5rem, 4vw, 4rem); align-items: start; }
.tariff { width: 100%; border-collapse: collapse; }
.tariff th, .tariff td { padding: .85rem 0; border-bottom: 1px solid var(--rule); vertical-align: baseline; }
.tariff th { text-align: left; font-weight: 400; padding-right: 1rem; }
.tariff th small { display: block; color: var(--ink-soft); font-size: .9rem; }
.tariff td {
  text-align: right; white-space: nowrap;
  font-family: var(--display); font-weight: 800; font-size: 2.6rem; line-height: 1; color: var(--green);
}
.example { color: var(--ink-soft); font-size: .95rem; margin: .8rem 0 0; }
.terms { margin: 0; padding: 0; list-style: none; }
.terms li { padding: .7rem 0 .7rem 2rem; border-bottom: 1px solid var(--rule); position: relative; }
.terms li::before {
  content: ""; position: absolute; left: .2rem; top: 1.05rem; width: .85rem; height: .45rem;
  border-left: 2.5px solid var(--green); border-bottom: 2.5px solid var(--green); transform: rotate(-45deg);
}
.terms h3 { font-family: var(--display); font-weight: 800; font-size: 1.6rem; margin: 0 0 .3rem; }

/* ---------- form ---------- */
.form-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.4fr); gap: clamp(1.5rem, 4vw, 4rem); }
form { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem 1.2rem; }
.full { grid-column: 1 / -1; }
label, legend { display: block; font-size: .95rem; font-weight: 700; margin-bottom: .3rem; }
label .opt { font-weight: 400; color: var(--ink-soft); }
input[type="text"], input[type="email"], input[type="tel"], input[type="month"], select, textarea {
  width: 100%; font: inherit; font-size: 1rem; color: var(--ink);
  background: var(--field); border: 1.5px solid var(--rule); border-radius: 3px;
  padding: .65rem .75rem; min-height: 2.9rem;
}
textarea { min-height: 6.5rem; resize: vertical; }
input:hover, select:hover, textarea:hover { border-color: var(--ink-soft); }
input:focus-visible, select:focus-visible, textarea:focus-visible { outline: 3px solid var(--green); outline-offset: 1px; border-color: var(--green); }
fieldset { border: 0; margin: 0; padding: 0; min-width: 0; }
.choices { display: flex; flex-wrap: wrap; gap: .5rem; }
.choices label {
  font-weight: 400; margin: 0; display: inline-flex; align-items: center; gap: .45rem;
  background: var(--field); border: 1.5px solid var(--rule); border-radius: 3px; padding: .5rem .8rem; cursor: pointer; min-height: 2.75rem;
}
.choices input { accent-color: var(--green); width: 1.1rem; height: 1.1rem; margin: 0; }
.choices label:has(input:checked) { border-color: var(--green); box-shadow: inset 0 0 0 1px var(--green); }
.consent { display: flex; gap: .6rem; align-items: flex-start; font-weight: 400; font-size: .92rem; }
.consent input { accent-color: var(--green); width: 1.15rem; height: 1.15rem; margin-top: .2rem; flex: none; }
.hp { position: absolute !important; left: -9999px !important; }
.status { margin: 0; font-size: 1rem; min-height: 1.5rem; }
.status.ok { color: var(--green); font-weight: 700; }
.status.err { color: var(--stamp); font-weight: 700; }
.form-done { background: var(--field); border: 1px solid var(--rule); border-top: 8px solid var(--green); padding: 1.5rem; }
.form-done h3 { font-family: var(--display); font-weight: 800; font-size: 2rem; margin: 0 0 .4rem; }

/* ---------- footer ---------- */
footer { border-top: 2px solid var(--ink); padding: 2rem 0 3rem; font-size: .9rem; color: var(--ink-soft); }
footer .row { display: flex; flex-wrap: wrap; gap: .5rem 1.5rem; margin-bottom: 1rem; }
footer .credits { max-width: 60rem; }
footer .credits p { margin: .2rem 0; }

/* ---------- legal pages ---------- */
.legal { max-width: 46rem; padding-bottom: 4rem; }
.legal h1 { font-family: var(--display); font-weight: 800; font-size: var(--step-3); line-height: 1; margin: 1rem 0 1.5rem; }
.legal h2 { font-size: 2rem; margin-top: 2.5rem; }
.legal h3 { font-size: 1.1rem; margin: 1.5rem 0 .3rem; }
.legal .note { background: var(--field); border-left: 4px solid var(--stamp); padding: .6rem .9rem; font-size: .9rem; }

/* ---------- responsive ---------- */
@media (max-width: 960px) {
  .bikes { grid-template-columns: minmax(0, 1fr); max-width: 34rem; }
  .doc { display: grid; grid-template-columns: 1fr; }
}
@media (max-width: 820px) {
  .hero { grid-template-columns: minmax(0, 1fr); }
  .hero-photo { order: -1; margin-top: 1rem; }
  .prices, .form-grid { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 520px) {
  form { grid-template-columns: minmax(0, 1fr); }
  .brand { font-size: 1.3rem; }
  .langs button { min-width: 2.3rem; padding: .2rem .35rem; }
  .top { flex-direction: column; align-items: flex-start; }
  .tariff td { font-size: 2.1rem; }
}