/* ============================================================
   ValueBelle — Website Stylesheet
   Plain CSS, no frameworks. All colors are brand tokens below.
   ============================================================ */

:root {
  /* Brand palette */
  --vb-navy:  #13283A;   /* primary / dominant */
  --vb-rose:  #CFA3B8;   /* signature accent */
  --vb-wine:  #7B2141;   /* deep accent / links */
  --vb-teal:  #0F5C6E;   /* supporting (sparingly) */
  --vb-ink:   #1F2328;   /* body text */
  --vb-muted: #4A5058;   /* secondary text on light */
  --vb-white: #FFFFFF;
  --vb-grey:  #F2F2F2;   /* neutral fill */
  --vb-line:  #E2E4E7;   /* hairlines */

  --vb-font: Arial, "Helvetica Neue", Helvetica, sans-serif;

  --maxw: 1100px;
  --radius: 10px;
}

/* ---------- Reset & base ---------- */
* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 72px; }

body {
  font-family: var(--vb-font);
  color: var(--vb-ink);
  background: var(--vb-white);
  line-height: 1.6;
  font-size: 17px;
}

img { max-width: 100%; display: block; }

a { color: var(--vb-wine); }
a:hover { color: var(--vb-navy); }

a:focus-visible,
button:focus-visible {
  outline: 3px solid var(--vb-rose);
  outline-offset: 3px;
}

.container {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- Header / Nav ---------- */
.site-header {
  background: var(--vb-navy);
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 14px 24px;
}

.nav-logo img { height: 32px; width: auto; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 26px;
  list-style: none;
}

.nav-links a {
  color: var(--vb-white);
  text-decoration: none;
  font-size: 15px;
}

.nav-links a:hover { color: var(--vb-rose); }

.nav-cta {
  background: var(--vb-white);
  color: var(--vb-navy) !important;
  padding: 9px 18px;
  border-radius: 999px;
  font-weight: bold;
  white-space: nowrap;
}

.nav-cta:hover { background: var(--vb-rose); }

/* ---------- Language switch ---------- */
.lang-switch {
  display: flex;
  gap: 2px;
  padding: 3px;
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 999px;
}

.nav-links .lang-switch a {
  font-size: 13px;
  font-weight: bold;
  letter-spacing: 0.04em;
  padding: 4px 9px;
  border-radius: 999px;
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.2;
}

.nav-links .lang-switch a:hover { color: var(--vb-white); background: rgba(255, 255, 255, 0.1); }

.nav-links .lang-switch a[aria-current="page"] {
  background: var(--vb-rose);
  color: var(--vb-navy);
}

/* ---------- Buttons ---------- */
.btn-row { display: flex; gap: 14px; flex-wrap: wrap; }

.btn {
  display: inline-block;
  text-decoration: none;
  font-weight: bold;
  font-size: 16px;
  padding: 14px 28px;
  border-radius: 999px;
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

.btn-light { background: var(--vb-white); color: var(--vb-navy); }
.btn-light:hover { background: var(--vb-rose); color: var(--vb-navy); }

.btn-ghost {
  background: transparent;
  color: var(--vb-white);
  border: 2px solid rgba(255, 255, 255, 0.5);
}
.btn-ghost:hover { border-color: var(--vb-rose); color: var(--vb-rose); }

.btn-navy { background: var(--vb-navy); color: var(--vb-white); }
.btn-navy:hover { background: var(--vb-wine); color: var(--vb-white); }

/* ---------- Hero ---------- */
.hero {
  background: var(--vb-navy);
  color: var(--vb-white);
  padding: 92px 0 0;
  position: relative;
  overflow: hidden;
}

/* Faint oversized monogram as a quiet background device */
.hero::after {
  content: "";
  position: absolute;
  right: -40px;
  top: 40px;
  width: 400px;
  height: 470px;
  background: url("assets/logo-mark-reversed.png") no-repeat center / contain;
  opacity: 0.07;
  pointer-events: none;
}

.hero-inner { position: relative; z-index: 1; padding-bottom: 72px; }

.hero .kicker {
  color: var(--vb-rose);
  font-size: 14px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-weight: bold;
  margin-bottom: 18px;
}

.hero h1 {
  font-size: clamp(34px, 5.2vw, 58px);
  line-height: 1.1;
  letter-spacing: -0.015em;
  max-width: 20ch;
  margin-bottom: 22px;
}

/* Signature device: rose underline on the key phrase (echoes "Belle") */
.accent-word {
  color: var(--vb-rose);
  background-image: linear-gradient(var(--vb-rose), var(--vb-rose));
  background-repeat: no-repeat;
  background-size: 100% 4px;
  background-position: 0 98%;
  padding-bottom: 2px;
}

.hero p.lead {
  font-size: 19px;
  color: rgba(255, 255, 255, 0.86);
  max-width: 56ch;
  margin-bottom: 34px;
}

/* Credentials strip along the bottom of the hero */
.proof {
  position: relative;
  z-index: 1;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(0, 0, 0, 0.14);
}

.proof ul {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}

.proof li {
  padding: 22px 20px;
  border-left: 1px solid rgba(255, 255, 255, 0.12);
  font-size: 14.5px;
  color: rgba(255, 255, 255, 0.78);
  line-height: 1.4;
}

.proof li:first-child { border-left: 0; padding-left: 0; }

.proof strong {
  display: block;
  color: var(--vb-white);
  font-size: 22px;
  margin-bottom: 4px;
}

/* ---------- Sections ---------- */
section { padding: 88px 0; }

.eyebrow {
  color: var(--vb-wine);
  font-size: 14px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-weight: bold;
  margin-bottom: 12px;
}

.eyebrow::before {
  content: "✦";
  color: var(--vb-rose);
  margin-right: 8px;
  font-size: 12px;
}

h2 {
  color: var(--vb-navy);
  font-size: clamp(27px, 3.6vw, 38px);
  line-height: 1.18;
  letter-spacing: -0.01em;
  margin-bottom: 18px;
  max-width: 24ch;
}

.section-intro {
  max-width: 62ch;
  margin-bottom: 44px;
  color: var(--vb-muted);
}

.dark { background: var(--vb-navy); color: var(--vb-white); }
.dark h2 { color: var(--vb-white); }
.dark .eyebrow { color: var(--vb-rose); }
.dark .section-intro { color: rgba(255, 255, 255, 0.8); }

.tint { background: var(--vb-grey); }

/* ---------- Pain points ---------- */
.pain-list {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.pain-list li {
  background: var(--vb-white);
  border: 1px solid var(--vb-line);
  border-left: 4px solid var(--vb-rose);
  border-radius: 8px;
  padding: 14px 20px;
  font-weight: bold;
  color: var(--vb-navy);
  font-size: 16px;
}

/* ---------- Flywheel (circular graphic + 3 steps) ---------- */
.flywheel {
  display: grid;
  grid-template-columns: minmax(0, 420px) 1fr;
  gap: 64px;
  align-items: center;
}

.wheel { width: 100%; height: auto; overflow: visible; }

.wheel-track { fill: none; stroke: var(--vb-grey); stroke-width: 26; }

.arc { fill: none; stroke-width: 26; stroke-linecap: butt; }
.arc-rose { stroke: var(--vb-rose); }
.arc-wine { stroke: var(--vb-wine); }
.arc-navy { stroke: var(--vb-navy); }
.head-rose { fill: var(--vb-rose); }
.head-wine { fill: var(--vb-wine); }
.head-navy { fill: var(--vb-navy); }

.node circle { fill: var(--vb-white); stroke-width: 5; }
.node text { font-family: var(--vb-font); font-size: 24px; font-weight: bold; fill: var(--vb-navy); }
.node-rose circle { stroke: var(--vb-rose); }
.node-wine circle { stroke: var(--vb-wine); }
.node-navy circle { stroke: var(--vb-navy); }

/* Arcs draw in once when the wheel scrolls into view */
.wheel-wrap .arc { stroke-dasharray: 280; stroke-dashoffset: 280; transition: stroke-dashoffset 0.9s ease; }
.wheel-wrap.visible .arc { stroke-dashoffset: 0; }
.wheel-wrap.visible .arc-wine { transition-delay: 0.35s; }
.wheel-wrap.visible .arc-navy { transition-delay: 0.7s; }

.steps-list { list-style: none; position: relative; }

/* thin connector running behind the numbers */
.steps-list::before {
  content: "";
  position: absolute;
  left: 31px;
  top: 32px;
  bottom: 32px;
  width: 2px;
  background: var(--vb-grey);
}

.step-item {
  position: relative;
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 18px 0;
}

.step-num {
  flex: 0 0 64px;
  height: 64px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 26px;
  font-weight: bold;
  background: var(--vb-white);
  color: var(--vb-navy);
  border: 5px solid;
}

.num-rose { border-color: var(--vb-rose); }
.num-wine { border-color: var(--vb-wine); }
.num-navy { border-color: var(--vb-navy); }

.step-label {
  display: block;
  font-size: 13px;
  font-weight: bold;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--vb-wine);
  margin-bottom: 2px;
}

.step-item h3 {
  font-size: clamp(21px, 2.4vw, 27px);
  line-height: 1.2;
  color: var(--vb-navy);
}

.flywheel-banner {
  margin-top: 26px;
  background: var(--vb-navy);
  color: var(--vb-rose);
  border-radius: var(--radius);
  padding: 24px 28px;
  font-size: clamp(18px, 2.2vw, 22px);
  font-weight: bold;
  text-align: center;
  line-height: 1.35;
}

/* ---------- Corridor ---------- */
.corridor-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px 40px;
  margin-bottom: 36px;
}

.corridor-item { border-left: 3px solid var(--vb-rose); padding-left: 20px; }
.corridor-item h3 { font-size: 18px; margin-bottom: 6px; color: var(--vb-white); }
.corridor-item p { font-size: 15.5px; color: rgba(255, 255, 255, 0.78); }

.corridor-quote {
  background: var(--vb-rose);
  color: var(--vb-navy);
  border-radius: var(--radius);
  padding: 22px 28px;
  font-size: clamp(18px, 2.2vw, 22px);
  font-weight: bold;
  text-align: center;
  line-height: 1.35;
}

/* ---------- About ---------- */
.about-grid {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 56px;
  align-items: start;
}

.portrait {
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--vb-grey);
}

.portrait img { width: 100%; height: auto; }

.portrait-caption {
  margin-top: 14px;
  font-size: 15px;
  color: var(--vb-muted);
}

.portrait-caption strong { color: var(--vb-navy); display: block; font-size: 17px; }

.track {
  list-style: none;
  border-top: 1px solid var(--vb-line);
  margin: 8px 0 30px;
}

.track li {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 18px;
  padding: 14px 0;
  border-bottom: 1px solid var(--vb-line);
  font-size: 16px;
}

.track .yrs { font-weight: bold; color: var(--vb-wine); }
.track b { color: var(--vb-navy); }

.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.why h3 { font-size: 17px; color: var(--vb-navy); margin-bottom: 6px; }
.why p { font-size: 15px; color: var(--vb-muted); }

/* ---------- AI ---------- */
.ai-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 48px;
  align-items: center;
}

.ai-list {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}

.ai-list li {
  background: var(--vb-white);
  border-radius: 8px;
  padding: 18px;
  font-weight: bold;
  color: var(--vb-navy);
  font-size: 15.5px;
  border-top: 3px solid var(--vb-rose);
}

.cert {
  background: var(--vb-navy);
  color: var(--vb-white);
  border-radius: var(--radius);
  border-top: 4px solid var(--vb-rose);
  padding: 40px 32px 36px;
  text-align: center;
}

/* Seal badge with tick */
.cert-seal { width: 108px; height: auto; margin: 0 auto 18px; display: block; overflow: visible; }
.seal-edge { fill: var(--vb-rose); stroke: var(--vb-rose); stroke-width: 3; }
.seal-ring { fill: var(--vb-navy); stroke: var(--vb-white); stroke-width: 2; stroke-dasharray: 3 4; }
.seal-tick { fill: none; stroke: var(--vb-white); stroke-width: 7; stroke-linecap: round; stroke-linejoin: round; }
.ribbon-l { fill: var(--vb-wine); }
.ribbon-r { fill: var(--vb-rose); opacity: 0.85; }

.cert .label {
  color: var(--vb-rose);
  font-size: 13px;
  font-weight: bold;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: 8px;
}

.cert h3 { font-size: clamp(24px, 2.6vw, 30px); line-height: 1.2; margin-bottom: 8px; }

.cert-sub { font-size: 16px; color: rgba(255, 255, 255, 0.82); max-width: 28ch; margin: 0 auto; }

/* ---------- Contact ---------- */
.contact-box {
  background: var(--vb-white);
  border-radius: var(--radius);
  padding: 48px;
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 44px;
  align-items: center;
  box-shadow: 0 2px 14px rgba(19, 40, 58, 0.07);
  border-top: 4px solid var(--vb-rose);
}

.contact-box p:not(.eyebrow) { color: var(--vb-muted); }

.contact-details { list-style: none; font-size: 17px; margin-bottom: 20px; }
.contact-details li { margin-bottom: 10px; }
.contact-details strong { color: var(--vb-navy); display: inline-block; min-width: 72px; }

.lang-note { margin-top: 14px; font-size: 14.5px; color: var(--vb-teal); font-weight: bold; }

/* ---------- Online booking ---------- */
.booking {
  margin-top: 24px;
  background: var(--vb-white);
  border-radius: var(--radius);
  box-shadow: 0 2px 14px rgba(19, 40, 58, 0.07);
  border-left: 4px solid var(--vb-navy);
  padding: 36px 40px;
}

.booking-intro {
  display: grid;
  grid-template-columns: 72px 1fr auto;
  gap: 28px;
  align-items: center;
}

.booking-icon { width: 72px; height: 72px; }
.cal-body { fill: var(--vb-white); stroke: var(--vb-navy); stroke-width: 3; }
.cal-top { fill: var(--vb-navy); }
.cal-ring { stroke: var(--vb-rose); stroke-width: 5; stroke-linecap: round; }
.cal-tick { fill: none; stroke: var(--vb-wine); stroke-width: 5; stroke-linecap: round; stroke-linejoin: round; }

.booking h3 { color: var(--vb-navy); font-size: 22px; line-height: 1.25; margin-bottom: 6px; }
.booking-intro p:not(.eyebrow) { color: var(--vb-muted); font-size: 16px; }

.booking-action { text-align: right; }
.booking-action[hidden] { display: none; }
.booking-action .btn { border: 0; cursor: pointer; font-family: var(--vb-font); }
.booking-note { margin-top: 10px; font-size: 13px !important; max-width: 30ch; margin-left: auto; }

.booking-frame { margin-top: 28px; border-top: 1px solid var(--vb-line); padding-top: 20px; }
.booking-frame iframe { width: 100%; height: 720px; border: 0; display: block; }
.booking-fallback { margin-top: 14px; font-size: 14px; color: var(--vb-muted); text-align: center; }

@media (max-width: 960px) {
  .booking { padding: 28px 22px; }
  .booking-intro { grid-template-columns: 56px 1fr; gap: 18px; }
  .booking-icon { width: 56px; height: 56px; }
  .booking-action { grid-column: 1 / -1; text-align: left; }
  .booking-note { margin-left: 0; max-width: none; }
  .booking-frame iframe { height: 900px; }
}

/* ---------- Footer ---------- */
.site-footer {
  background: var(--vb-navy);
  color: rgba(255, 255, 255, 0.75);
  padding: 48px 0 36px;
  font-size: 14px;
}

.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
  margin-bottom: 28px;
}

.footer-top img { height: 30px; width: auto; }

.footer-tagline { color: var(--vb-rose); font-style: italic; }

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding-top: 20px;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.footer-bottom a { color: rgba(255, 255, 255, 0.75); text-decoration: none; }
.footer-bottom a:hover { color: var(--vb-rose); }

/* ---------- Legal pages ---------- */
.legal-page { padding: 64px 24px 90px; }
.legal-page h1 { color: var(--vb-navy); font-size: 32px; margin-bottom: 28px; }
.legal-page h2 { font-size: 20px; margin: 28px 0 10px; }
.legal-page p { max-width: 70ch; }
.todo {
  display: block;
  background: #FBF3F7;
  border-left: 4px solid var(--vb-rose);
  padding: 10px 14px;
  margin: 8px 0;
  font-size: 15px;
}

/* Pink to-do notes on the legal pages: hidden from visitors for now.
   Delete this line once the Impressum and Datenschutz are completed. */
.todo { display: none !important; }

/* ---------- Scroll reveal (subtle) ---------- */
.reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.reveal.visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  .wheel-wrap .arc { stroke-dashoffset: 0; transition: none; }
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
}

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
  .nav-links li.hide-mobile { display: none; }
  .why-grid { grid-template-columns: 1fr; }
  .flywheel { grid-template-columns: 1fr; gap: 28px; }
  .wheel-wrap { max-width: 340px; margin: 0 auto; width: 100%; }
  .ai-grid, .contact-box { grid-template-columns: 1fr; gap: 36px; }
  .about-grid { grid-template-columns: 1fr; gap: 32px; }
  .portrait { max-width: 260px; }
  .proof ul { grid-template-columns: repeat(2, 1fr); }
  .proof li:nth-child(3) { border-left: 0; padding-left: 0; }
  .proof li { border-top: 1px solid rgba(255, 255, 255, 0.08); }
}

@media (max-width: 640px) {
  body { font-size: 16px; }
  section { padding: 60px 0; }
  .hero { padding-top: 60px; }
  .hero-inner { padding-bottom: 52px; }
  .hero::after { width: 240px; height: 280px; right: -70px; top: 20px; }
  .nav-logo img { height: 26px; }
  .nav-cta { padding: 8px 12px; font-size: 13px; }
  .nav-links { gap: 10px; }
  .nav-links .lang-switch a { padding: 3px 6px; font-size: 12px; }
  .corridor-grid, .ai-list { grid-template-columns: 1fr; }
  .track li { grid-template-columns: 1fr; gap: 2px; }
  .contact-box { padding: 30px 22px; }
}