/* strummr.ai Website — baut auf dem Design-Vertrag colors_and_type.css auf.
   Nur hier: jam-Türkis, Layout, Komponenten. Mobile first. */

:root {
  --jam:       #22b8ad;
  --jam-deep:  #178f86;
  --jam-soft:  #8fe3da;
  --jam-wash:  #e3f7f4;
  --jam-line:  #bfe9e4;
  --wrap: 1240px;
  --gutter: clamp(20px, 6vw, 96px);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: var(--fs-body);
  line-height: var(--leading-body);
  -webkit-font-smoothing: antialiased;
}
a { color: var(--violet); text-decoration: none; }
a:hover { color: var(--violet-deep); }
img, svg { max-width: 100%; }
h1, h2, h3, p { margin: 0; }
h1, h2, h3 { font-family: var(--font-display); font-weight: var(--fw-black); letter-spacing: var(--tracking-tight); }
h1 { font-size: clamp(44px, 8.6vw, 112px); line-height: 0.9; letter-spacing: var(--tracking-hero); }
h2 { font-size: clamp(30px, 4.4vw, 56px); line-height: 0.98; letter-spacing: -0.04em; }
h3 { font-size: clamp(19px, 1.8vw, 22px); line-height: 1.15; letter-spacing: var(--tracking-snug); }
.lead { font-size: clamp(17px, 1.7vw, 22px); line-height: 1.45; color: var(--ink-soft); max-width: 760px; }
.body { color: var(--ink-soft); font-size: clamp(15px, 1.3vw, 17px); }
.small { font-size: var(--fs-sm); color: var(--ink-soft); }
.mono, .eyebrow, .label {
  font-family: var(--font-mono);
  font-size: var(--fs-label);
  letter-spacing: var(--tracking-label);
  text-transform: uppercase;
  color: var(--gray);
}
.eyebrow { letter-spacing: var(--tracking-eyebrow); }
.c-tab, .tab-ink { color: var(--violet); }
.c-jam, .jam-ink { color: var(--jam); }
.c-jam-soft { color: var(--jam-soft); }
strong.tab { color: var(--violet); font-weight: var(--fw-semi); }
strong.jam { color: var(--jam); font-weight: var(--fw-semi); }
.on-dark strong.jam { color: var(--jam-soft); }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

.wrap { max-width: var(--wrap); margin: 0 auto; padding-left: var(--gutter); padding-right: var(--gutter); }
.section { padding-top: clamp(40px, 6vw, 96px); padding-bottom: clamp(40px, 6vw, 96px); }
.section-tight { padding-top: 0; }
.stack { display: flex; flex-direction: column; gap: clamp(16px, 2.4vw, 28px); }
.stack > h2 { margin-bottom: clamp(4px, 1vw, 12px); }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font-weight: var(--fw-semi); font-size: 16px; line-height: 1;
  border-radius: var(--radius-pill); padding: 15px 28px;
  border: 1.5px solid transparent; cursor: pointer; white-space: nowrap;
  transition: transform var(--dur-fast) var(--ease), box-shadow var(--dur-fast) var(--ease);
}
.btn:active { transform: translateY(1px); }
.btn-dark { background: var(--ink); color: #fff; box-shadow: var(--shadow-btn); }
.btn-dark:hover { color: #fff; background: #000; }
.btn-light { background: #fff; color: var(--ink); }
.btn-light:hover { color: var(--ink); background: var(--surface-2); }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--line-2); }
.btn-ghost:hover { color: var(--ink); border-color: var(--ink); }
.on-dark .btn-ghost { color: #fff; border-color: #3c3c45; }
.on-dark .btn-ghost:hover { color: #fff; border-color: #fff; }
.btn-sm { font-size: 15px; padding: 12px 22px; }
.cta-row { display: flex; flex-wrap: wrap; gap: 14px; align-items: center; }

/* Header */
.nav {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding-top: clamp(16px, 2vw, 28px); padding-bottom: clamp(16px, 2vw, 28px);
  position: relative;
}
.brand { display: inline-flex; align-items: center; gap: 12px; color: var(--ink); }
.brand:hover { color: var(--ink); }
.brand svg { width: 36px; height: 36px; flex: none; }
.brand .word { font-weight: var(--fw-black); font-size: 24px; letter-spacing: var(--tracking-tight); line-height: 1; }
.brand .word em { font-style: normal; color: var(--violet); }
.brand .word .pre-tab { color: var(--violet); }
.brand .word .pre-jam { color: var(--jam); }
.brand .word .pre-amp { color: var(--gray); }
strong.amp { color: var(--ink); font-weight: var(--fw-semi); }
.menu { display: flex; align-items: center; gap: clamp(18px, 2.4vw, 32px); }
.menu a { font-weight: var(--fw-medium); font-size: 15px; color: var(--ink); }
.menu a:hover { color: var(--violet-deep); }
.menu a.c-tab { color: var(--violet); font-weight: var(--fw-semi); }
.menu a.c-jam { color: var(--jam); font-weight: var(--fw-semi); }
.menu a.c-jam:hover { color: var(--jam-deep); }
.menu .btn { color: #fff; }
.nav-toggle {
  display: none; background: transparent; border: 1.5px solid var(--line-2); border-radius: var(--radius-pill);
  font: inherit; font-weight: var(--fw-semi); font-size: 14px; padding: 10px 16px; color: var(--ink); cursor: pointer;
}
@media (max-width: 820px) {
  .nav-toggle { display: inline-flex; }
  .menu {
    display: none; position: absolute; right: var(--gutter); top: calc(100% - 4px); z-index: 20;
    flex-direction: column; align-items: stretch; gap: 4px;
    background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-lg);
    padding: 12px; box-shadow: var(--shadow-card); min-width: 220px;
  }
  .menu a { padding: 10px 12px; border-radius: var(--radius-sm); }
  .menu a:hover { background: var(--surface-2); }
  .menu .btn { margin-top: 6px; justify-content: center; }
  .nav.open .menu { display: flex; }
}

/* Hero */
.hero { padding-top: clamp(40px, 7vw, 96px); padding-bottom: clamp(40px, 5vw, 72px); }
.hero .stack { max-width: 1100px; }
.hero-split { display: grid; grid-template-columns: 1fr; gap: clamp(28px, 4vw, 64px); align-items: center; }
@media (min-width: 960px) { .hero-split { grid-template-columns: 1.1fr 0.9fr; } .hero-split h1 { font-size: clamp(44px, 7vw, 100px); } }

/* Cards */
.grid { display: grid; gap: clamp(16px, 2.4vw, 32px); grid-template-columns: 1fr; }
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 340px), 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr)); }
.grid-4 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 240px), 1fr)); }
.card {
  background: var(--surface); border-radius: var(--radius-xl); padding: clamp(24px, 3vw, 40px);
  display: flex; flex-direction: column; gap: 16px; box-shadow: var(--shadow-card);
}
.card-sm { border-radius: var(--radius-lg); padding: clamp(20px, 2.4vw, 28px); gap: 12px; box-shadow: var(--shadow-sm); }
.card-dark, .on-dark { background: var(--ink-panel); color: #e9e9ef; }
.on-dark h1, .on-dark h2, .on-dark h3 { color: #fff; }
.on-dark .body, .on-dark .lead, .on-dark p { color: #b6b6c0; }
.on-dark .mono { color: var(--gray); }
.card-wash { background: var(--violet-wash); border: 1.5px solid var(--violet-line); box-shadow: none; }
.card-jam-wash { background: var(--jam-wash); border: 1.5px solid var(--jam-line); box-shadow: none; }
.card-head { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 10px; }
.card-foot { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 12px; margin-top: auto; padding-top: 8px; }
.product-name { font-weight: var(--fw-black); font-size: clamp(26px, 2.6vw, 34px); letter-spacing: var(--tracking-tight); line-height: 1; }
.pill {
  font-family: var(--font-mono); font-size: var(--fs-micro); letter-spacing: var(--tracking-label); text-transform: uppercase;
  border-radius: var(--radius-pill); padding: 6px 12px; border: 1.5px solid var(--line-2); color: var(--ink-soft); white-space: nowrap;
}
.pill-tab { color: var(--violet); background: var(--violet-wash); border-color: var(--violet-line); }
.pill-jam { color: var(--jam-deep); background: var(--jam-wash); border-color: var(--jam-line); }
.on-dark .pill-jam { color: var(--jam-soft); background: transparent; border-color: #3c3c45; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.chip {
  display: inline-flex; align-items: center; gap: 8px; font-family: var(--font-mono); font-size: 13px;
  border-radius: var(--radius-pill); padding: 8px 14px; background: var(--surface-2); border: 1.5px solid var(--line); color: var(--ink-soft);
}
.chip b { font-weight: var(--fw-semi); color: var(--ink); }
.chip span { color: var(--gray); }
.chip-top { background: var(--violet-wash); border-color: var(--violet-line); }
.chip-top span { color: var(--violet); font-weight: var(--fw-semi); }
.chip-jam { background: rgba(34,184,173,0.18); border-color: transparent; color: var(--jam); }

/* Mock panels */
.mock { border-radius: var(--radius-xl); padding: clamp(20px, 2.6vw, 36px); display: flex; flex-direction: column; gap: 16px; }
.mock-row { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px; }
.mock-chords { display: grid; grid-template-columns: repeat(4, 1fr); font-family: var(--font-mono); font-size: 16px; font-weight: var(--fw-semi); }
.mock svg { width: 100%; height: auto; display: block; }
.pattern { height: 72px; }

/* Steps / principle lists */
.principle { display: flex; flex-direction: column; gap: 10px; }
.principle .eyebrow { color: var(--violet); }
.principle.jam .eyebrow { color: var(--jam-deep); }
.steps .eyebrow { color: var(--violet); }
.steps.jam .eyebrow { color: var(--jam-deep); }
.checklist { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 10px; }
.checklist li { position: relative; padding-left: 26px; color: var(--ink-soft); }
.checklist li::before { content: ""; position: absolute; left: 0; top: 0.5em; width: 12px; height: 12px; border-radius: 50%; background: var(--violet); }
.checklist.jam li::before { background: var(--jam); }
.checklist.no li::before { background: transparent; border: 2px solid var(--line-2); width: 8px; height: 8px; }

/* Pricing */
.price { gap: 14px; }
.price .amount { display: flex; align-items: baseline; gap: 8px; flex-wrap: wrap; }
.price .amount b { font-family: var(--font-display); font-weight: var(--fw-black); font-size: clamp(40px, 4vw, 52px); letter-spacing: -0.04em; line-height: 1; }
.price .amount span { color: var(--gray); font-size: var(--fs-sm); }
.price .monthly { font-family: var(--font-mono); font-size: var(--fs-data); color: var(--gray); }
.price ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 8px; color: var(--ink-soft); font-size: var(--fs-sm); }
.price ul li { padding-left: 18px; position: relative; }
.price ul li::before { content: ""; position: absolute; left: 0; top: 0.62em; width: 7px; height: 7px; border-radius: 50%; background: var(--line-2); }
.price.tab ul li::before { background: var(--violet); }
.price.jam ul li::before { background: var(--jam); }
.price.bundle ul li::before { background: var(--ink); }
.price .btn { margin-top: 6px; align-self: flex-start; }
.price-teacher { border: 1.5px dashed var(--line-2); background: transparent; box-shadow: none; }
.trial-bar {
  display: flex; flex-wrap: wrap; gap: 10px 24px; align-items: center; justify-content: space-between;
  border-top: 1px solid var(--line-2); border-bottom: 1px solid var(--line-2); padding: 14px 0;
}

/* FAQ */
.faq { display: grid; gap: 24px 48px; grid-template-columns: repeat(auto-fit, minmax(min(100%, 320px), 1fr)); }
.faq h3 { font-size: 18px; }
.faq p { color: var(--ink-soft); margin-top: 8px; }

/* Banner box */
.band { border-radius: var(--radius-xl); padding: clamp(28px, 4vw, 56px); display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 24px 48px; }
.band .stack { gap: 12px; max-width: 760px; }

/* Legal / prose pages */
.prose { max-width: 760px; }
.prose h1 { font-size: clamp(34px, 5vw, 56px); margin-bottom: 24px; }
.prose h2 { font-size: 24px; margin-top: 40px; margin-bottom: 12px; letter-spacing: var(--tracking-snug); }
.prose h3 { font-size: 18px; margin-top: 24px; margin-bottom: 8px; }
.prose p, .prose li { color: var(--ink-soft); font-size: 16px; }
.prose p { margin: 10px 0; }
.prose ul { padding-left: 20px; }
.prose .note { background: var(--warning-wash); border: 1.5px solid #ecd9a3; border-radius: var(--radius); padding: 14px 18px; color: #6a4b00; font-size: 15px; }
.ph { background: var(--warning-wash); color: #6a4b00; padding: 1px 6px; border-radius: 4px; font-family: var(--font-mono); font-size: 13px; }

/* Footer */
.foot {
  display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 12px 24px;
  border-top: 1px solid var(--line-2); padding-top: 32px; padding-bottom: 40px; margin-top: clamp(24px, 4vw, 48px);
}
.foot nav { display: flex; flex-wrap: wrap; gap: 20px; }
.foot a { color: var(--gray); }
.foot a:hover { color: var(--ink); }

@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } .btn { transition: none; } }