:root {
  --green-dark: #00391f;
  --green: #00512d;
  --green-2: #0d7d34;
  --lime: #a8cf00;
  --lime-bright: #b6dc00;
  --yellow: #d8f000;
  --text: #071f12;
  --muted: #4a5a50;
  --line: #dce8c5;
  --soft: #f6f8ef;
  --white: #ffffff;
  --shadow: 0 18px 55px rgba(0, 48, 23, 0.18);
  --radius: 22px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at top left, rgba(182, 220, 0, 0.18), transparent 20rem),
    linear-gradient(180deg, #ffffff 0%, #fbfcf6 45%, #ffffff 100%);
  color: var(--text);
  line-height: 1.5;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  padding: 12px clamp(20px, 5vw, 72px);
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(0, 57, 31, 0.08);
}

.brand-dark,
.footer-brand,
.logo-panel {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  color: var(--green-dark);
}

.brand-word {
  font-weight: 1000;
  font-size: clamp(38px, 5vw, 68px);
  line-height: .9;
  letter-spacing: -0.075em;
  text-shadow: 0 7px 12px rgba(0, 57, 31, .18);
}

.site-header .brand-word { font-size: 44px; }

.brand-ball {
  display: inline-grid;
  place-items: center;
  width: .84em;
  height: .84em;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 25%, #f2ff5a, var(--lime));
  color: transparent;
  box-shadow: inset -8px -8px 15px rgba(0,0,0,.12), 0 7px 16px rgba(0, 57, 31, .15);
}

.logo-panel {
  padding: 20px 22px;
  background: #fff;
  border-radius: 24px;
  border: 3px solid rgba(168,207,0,.42);
  box-shadow: var(--shadow);
  margin-bottom: 24px;
}

.logo-panel .brand-word { font-size: clamp(64px, 9vw, 116px); }

.nav {
  display: flex;
  align-items: center;
  gap: 21px;
  color: var(--green-dark);
  font-weight: 850;
  font-size: 15px;
}

.nav a:hover { color: var(--lime); }

.nav-cta {
  color: var(--white) !important;
  background: var(--green-dark);
  padding: 11px 17px;
  border-radius: 999px;
  border: 2px solid var(--lime);
}

.menu-button {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  background: var(--white);
  border-radius: 12px;
  padding: 10px;
}

.menu-button span {
  display: block;
  height: 3px;
  background: var(--green-dark);
  margin: 5px 0;
  border-radius: 99px;
}

.hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(420px, 1.1fr);
  min-height: 820px;
  gap: clamp(28px, 5vw, 70px);
  align-items: center;
  padding: clamp(46px, 7vw, 86px) clamp(20px, 5vw, 72px) 70px;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0 47% 0 0;
  background:
    radial-gradient(circle at 10% 10%, rgba(190, 230, 0, 0.22), transparent 18rem),
    linear-gradient(160deg, var(--green-dark), #001f11);
  clip-path: polygon(0 0, 86% 0, 100% 100%, 0 100%);
  z-index: -1;
}

.hero-copy { color: var(--white); }

.eyebrow,
.section-label,
.mini-label {
  color: var(--lime);
  text-transform: uppercase;
  letter-spacing: .12em;
  font-size: 13px;
  font-weight: 950;
  margin-bottom: 14px;
}

.hero h1,
h2,
h3,
p { margin-top: 0; }

.hero h1 {
  font-size: clamp(48px, 6.3vw, 92px);
  line-height: 0.94;
  letter-spacing: -0.065em;
  margin-bottom: 24px;
}

.hero h1 span { color: var(--lime); }

.hero-text {
  max-width: 650px;
  font-size: clamp(20px, 2vw, 25px);
  color: rgba(255,255,255,0.9);
  font-weight: 560;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 30px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 54px;
  padding: 0 23px;
  border-radius: 999px;
  font-size: 17px;
  font-weight: 950;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease;
}

.button:hover { transform: translateY(-1px); }

.button.primary {
  background: var(--lime-bright);
  color: #071a0e;
  box-shadow: 0 16px 36px rgba(182, 220, 0, 0.33);
}

.button.secondary {
  color: var(--white);
  border-color: rgba(255,255,255,0.5);
  background: rgba(255,255,255,0.08);
}

.full { width: 100%; }

.hero-facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 34px;
}

.hero-facts div {
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.18);
  border-radius: 18px;
  padding: 16px;
}

.hero-facts strong {
  display: block;
  color: var(--lime);
  font-size: 24px;
  line-height: 1;
  margin-bottom: 7px;
}

.hero-facts span {
  display: block;
  color: rgba(255,255,255,0.84);
  font-size: 13px;
  font-weight: 700;
}

/* Hero product visual: YouTube window + overlapping app screenshots */
.hero-product {
  position: relative;
  min-height: 720px;
}

.youtube-window {
  position: absolute;
  left: 0;
  right: 0;
  top: 70px;
  background: #fff;
  border-radius: 30px;
  overflow: hidden;
  border: 1px solid rgba(0,57,31,.12);
  box-shadow: var(--shadow);
}

.youtube-topbar {
  height: 54px;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 18px;
  border-bottom: 1px solid #e8e8e8;
  background: #fff;
  color: #243028;
  font-weight: 850;
}

.yt-dot {
  width: 13px;
  height: 13px;
  border-radius: 50%;
  background: #d6d6d6;
}

.yt-dot.red { background: #ff3b30; }

.youtube-video {
  position: relative;
  background: #000;
  aspect-ratio: 16 / 9;
  overflow: hidden;
}

.youtube-video > img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.live-pill {
  position: absolute;
  left: 18px;
  bottom: 56px;
  background: #e62117;
  color: white;
  border-radius: 6px;
  padding: 7px 10px;
  font-weight: 950;
  letter-spacing: .04em;
  box-shadow: 0 8px 18px rgba(0,0,0,.25);
}

.youtube-controls {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 42px;
  display: grid;
  grid-template-columns: 38px 1fr 44px;
  gap: 12px;
  align-items: center;
  padding: 0 16px;
  background: linear-gradient(180deg, transparent, rgba(0,0,0,.72));
}

.youtube-controls span {
  width: 0;
  height: 0;
  border-left: 16px solid white;
  border-top: 10px solid transparent;
  border-bottom: 10px solid transparent;
}

.youtube-controls div {
  height: 5px;
  border-radius: 99px;
  background: linear-gradient(90deg, #e62117 0 34%, rgba(255,255,255,.5) 34%);
}

.youtube-controls b {
  color: white;
  font-size: 13px;
}

.youtube-meta {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  align-items: center;
  padding: 18px 20px;
}

.youtube-meta strong {
  display: block;
  color: var(--green-dark);
  font-size: 20px;
}

.youtube-meta span {
  display: block;
  color: var(--muted);
  font-weight: 650;
}

.youtube-meta a {
  flex: none;
  background: var(--green-dark);
  color: white;
  border-radius: 999px;
  padding: 12px 16px;
  font-weight: 950;
  border: 2px solid var(--lime);
}

.app-overlays {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.app-shot {
  position: absolute;
  margin: 0;
  overflow: hidden;
  background: #002614;
  border: 8px solid #fff;
  box-shadow: 0 24px 55px rgba(0,0,0,.28);
}

.app-shot img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.app-shot figcaption {
  position: absolute;
  left: 12px;
  bottom: 12px;
  background: rgba(0,57,31,.9);
  color: white;
  border: 1px solid rgba(182,220,0,.8);
  border-radius: 999px;
  padding: 7px 11px;
  font-size: 12px;
  font-weight: 950;
}

.app-control {
  width: min(460px, 58%);
  height: 255px;
  left: -26px;
  bottom: 4px;
  border-radius: 28px;
  transform: rotate(-2deg);
}

.app-control::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 62% 52%, transparent 0 33%, rgba(0,57,31,.42) 34%),
    linear-gradient(90deg, transparent, rgba(0,57,31,.22));
  pointer-events: none;
}

.app-setup {
  width: min(250px, 32%);
  height: 455px;
  right: -8px;
  bottom: -10px;
  border-radius: 36px;
  transform: rotate(3deg);
}

.quick-band {
  display: flex;
  gap: 18px;
  align-items: center;
  margin: -18px clamp(20px, 5vw, 72px) 40px;
  padding: 20px 26px;
  background: var(--lime-bright);
  color: #071a0e;
  border-radius: 0 22px 22px 0;
  max-width: 950px;
  box-shadow: var(--shadow);
  transform: skew(-8deg);
}

.quick-band > * { transform: skew(8deg); }

.quick-band .rocket { font-size: 34px; }

.quick-band strong {
  display: block;
  font-size: 28px;
  line-height: 1.1;
  font-weight: 950;
}

.quick-band span {
  display: block;
  font-weight: 760;
  margin-top: 3px;
}

.section { padding: 88px clamp(20px, 5vw, 72px); }

.intro {
  max-width: 1180px;
  margin: 0 auto;
}

h2 {
  font-size: clamp(36px, 5vw, 66px);
  line-height: .97;
  letter-spacing: -0.055em;
  margin-bottom: 20px;
  color: var(--green-dark);
}

h3 {
  font-size: 25px;
  line-height: 1.08;
  letter-spacing: -0.035em;
  margin-bottom: 12px;
  color: var(--green-dark);
}

.intro > p,
.live-score-copy p,
.section-head p,
.phone-copy p,
.sponsor-section p,
.founder-section p,
.contact-copy p {
  color: var(--muted);
  font-size: 21px;
  max-width: 900px;
}

.value-grid,
.package-grid,
.button-demo-grid {
  display: grid;
  gap: 18px;
}

.value-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-top: 36px;
}

.value-grid article,
.device-card,
.package-grid article,
.sponsor-box,
.contact-form,
.phone-card {
  background: var(--white);
  border: 2px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 14px 40px rgba(0, 48, 23, 0.08);
}

.value-grid article,
.device-card { padding: 28px; }

.value-grid p,
.device-card p,
.package-grid li,
.sponsor-box p { color: var(--muted); }

.number {
  display: inline-grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 999px;
  background: var(--lime);
  color: #071a0e;
  font-weight: 950;
  margin-bottom: 18px;
  font-size: 20px;
}

.live-score-section,
.buttons-section,
.coachmarks-section,
.phone-section,
.sponsor-section,
.founder-section,
.contact-section {
  padding: 92px clamp(20px, 5vw, 72px);
}

.live-score-section {
  display: grid;
  grid-template-columns: minmax(0, .95fr) minmax(0, 1.05fr);
  gap: clamp(28px, 5vw, 70px);
  align-items: center;
  background: var(--soft);
}

.score-benefits {
  display: grid;
  gap: 12px;
  margin-top: 28px;
}

.score-benefits div {
  border-left: 7px solid var(--lime);
  background: white;
  border-radius: 16px;
  padding: 16px 18px;
  box-shadow: 0 10px 28px rgba(0,48,23,.06);
}

.score-benefits strong {
  display: block;
  color: var(--green-dark);
  font-size: 20px;
}

.score-benefits span {
  color: var(--muted);
  font-weight: 650;
}

.image-demo {
  min-height: auto;
  background: none;
  border: 8px solid white;
  border-radius: 30px;
  overflow: hidden;
  box-shadow: var(--shadow);
}

.image-demo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.buttons-section { background: white; }

.section-head {
  max-width: 980px;
  margin-bottom: 34px;
}

.button-demo-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }

.device-card { text-align: center; }

.wrist {
  width: 150px;
  height: 190px;
  margin: 0 auto 22px;
  border-radius: 42px;
  background:
    linear-gradient(90deg, transparent 0 38%, #071f12 39% 61%, transparent 62%),
    linear-gradient(180deg, #dae0d5, #f5f5f0);
  display: grid;
  place-items: center;
}

.watch-face {
  width: 104px;
  height: 104px;
  display: grid;
  place-items: center;
  border-radius: 28px;
  background: linear-gradient(180deg, #05391f, #03190e);
  border: 6px solid #111;
  color: white;
  font-weight: 950;
  box-shadow: 0 14px 28px rgba(0,0,0,.18);
}

.watch-face strong {
  color: var(--lime);
  font-size: 30px;
}

.smash-button,
.correction-button {
  width: 150px;
  height: 150px;
  margin: 0 auto 22px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: white;
  font-size: 24px;
  font-weight: 950;
  box-shadow: inset -12px -12px 18px rgba(0,0,0,.16), 0 18px 35px rgba(0,48,23,.18);
  border: 8px solid rgba(255,255,255,.9);
}

.player-a { background: linear-gradient(135deg, #1fbf54, #006d33); }
.player-b { background: linear-gradient(135deg, #2d9dff, #005aaa); }

.correction-button {
  background: linear-gradient(135deg, #ff8b00, #ef3d00);
  font-size: 21px;
}


.coachmarks-section {
  display: grid;
  grid-template-columns: minmax(0, .95fr) minmax(0, 1.05fr);
  gap: clamp(28px, 5vw, 70px);
  align-items: center;
  background: var(--soft);
}
.coachmarks-copy > p { color: var(--muted); font-size: 21px; max-width: 900px; }
.coach-use-cases { display: grid; gap: 12px; margin-top: 28px; }
.coach-use-cases div { border-left: 7px solid var(--lime); background: white; border-radius: 16px; padding: 16px 18px; box-shadow: 0 10px 28px rgba(0,48,23,.06); }
.coach-use-cases strong, .coach-use-cases span { display: block; }
.coach-use-cases strong { color: var(--green-dark); font-size: 20px; }
.coach-use-cases span { color: var(--muted); font-weight: 650; }
.coachmarks-demo { background: var(--green-dark); border-radius: 30px; padding: clamp(24px, 4vw, 42px); box-shadow: var(--shadow); color: white; }
.coach-step { display: grid; grid-template-columns: 48px 1fr; gap: 16px; align-items: center; }
.coach-step-number { width: 48px; height: 48px; border-radius: 50%; display: grid; place-items: center; background: white; color: var(--green-dark); font-size: 21px; font-weight: 950; }
.coach-step.active .coach-step-number { background: var(--lime); }
.coach-step strong, .coach-step span { display: block; }
.coach-step strong { font-size: 21px; }
.coach-step span { color: rgba(255,255,255,.72); font-weight: 650; }
.coach-connector { width: 3px; height: 24px; margin: 5px 0 5px 22px; background: rgba(182,220,0,.55); }
.coach-timeline { margin-top: 34px; padding: 22px; border-radius: 20px; background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.14); }
.timeline-label { color: var(--lime); font-size: 12px; font-weight: 950; letter-spacing: .16em; }
.timeline-track { position: relative; height: 8px; margin: 34px 0 28px; border-radius: 999px; background: rgba(255,255,255,.3); }
.timeline-track i { position: absolute; top: 50%; width: 18px; height: 18px; transform: translate(-50%,-50%); border-radius: 50%; background: var(--lime); box-shadow: 0 0 0 6px rgba(182,220,0,.16); }
.timeline-track i b { position: absolute; left: 50%; bottom: 25px; transform: translateX(-50%); color: white; font-style: normal; font-size: 12px; white-space: nowrap; }
.timeline-note { display: block; color: rgba(255,255,255,.72); font-size: 14px; font-weight: 650; }

.phone-section {
  display: grid;
  grid-template-columns: minmax(0, .95fr) minmax(0, 1.05fr);
  gap: clamp(28px, 5vw, 70px);
  align-items: center;
  background:
    linear-gradient(135deg, rgba(0,57,31,.97), rgba(0,79,43,.92)),
    var(--green-dark);
  color: white;
}

.phone-section h2,
.phone-section h3 { color: white; }

.phone-section .section-label { color: var(--lime); }

.phone-copy p { color: rgba(255,255,255,.82); }

.check-list {
  list-style: none;
  padding: 0;
  margin: 28px 0 0;
  display: grid;
  gap: 12px;
}

.check-list li {
  position: relative;
  padding-left: 34px;
  color: rgba(255,255,255,.88);
  font-weight: 700;
}

.check-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: -2px;
  display: grid;
  place-items: center;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--lime);
  color: #071a0e;
  font-weight: 950;
}

.phone-image-card {
  padding: 24px;
  display: grid;
  place-items: center;
  background: radial-gradient(circle at top, rgba(182,220,0,.22), rgba(255,255,255,.06)), rgba(255,255,255,.08);
  border-color: rgba(255,255,255,.2);
}

.phone-image-card img {
  max-height: 680px;
  border-radius: 42px;
  box-shadow: 0 25px 60px rgba(0,0,0,.32);
}

.sponsor-section {
  display: grid;
  grid-template-columns: minmax(0, .95fr) minmax(0, 1.05fr);
  gap: clamp(28px, 5vw, 70px);
  align-items: center;
  background: var(--soft);
}

.sponsor-box {
  padding: 30px;
  border-color: var(--lime);
}

.sponsor-title {
  display: inline-flex;
  background: var(--green-dark);
  color: white;
  border-radius: 999px;
  padding: 9px 14px;
  font-weight: 950;
  margin-bottom: 22px;
}

.calculation {
  display: grid;
  gap: 12px;
  margin-bottom: 20px;
}

.calculation div {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 15px;
  padding: 15px;
  background: #fbfdf6;
}

.calculation span {
  color: var(--muted);
  font-weight: 760;
}

.calculation strong {
  color: var(--green-dark);
  font-size: 22px;
}

.calculation .result {
  background: var(--lime);
  border-color: var(--lime);
}

.calculation .result span,
.calculation .result strong { color: #071a0e; }

.packages { background: white; }

.price-flyer {
  background: white;
  border-radius: 26px;
  border: 2px solid rgba(168,207,0,.35);
  padding: 10px;
  margin-bottom: 32px;
  box-shadow: var(--shadow);
}

.price-flyer img {
  width: 100%;
  border-radius: 18px;
}

.package-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }

.package-grid article { padding: 28px; }

.package-grid article.highlight {
  border-color: var(--lime);
  box-shadow: 0 20px 60px rgba(166, 205, 0, .22);
  transform: translateY(-8px);
}

.package-grid h3 {
  font-size: 48px;
  margin-bottom: 0;
}

.package-grid .per {
  color: var(--muted);
  font-weight: 750;
  margin-bottom: 20px;
}

.package-grid ul {
  padding: 0;
  list-style: none;
  display: grid;
  gap: 11px;
}

.package-grid li {
  position: relative;
  padding-left: 26px;
  font-weight: 650;
}

.package-grid li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--lime);
  font-weight: 950;
}

.founder-section {
  display: grid;
  grid-template-columns: 210px minmax(0, 1fr);
  gap: 34px;
  align-items: center;
  background: linear-gradient(135deg, var(--green-dark), #002614);
  color: white;
  margin: 0 clamp(20px, 5vw, 72px) 70px;
  border-radius: 34px;
  padding: 48px;
}

.founder-section h2 { color: white; }

.founder-section p { color: rgba(255,255,255,.82); }

.tennis-ball {
  display: grid;
  place-items: center;
  width: 170px;
  height: 170px;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 20%, #f5ff8a, var(--lime));
  font-size: 92px;
  box-shadow: inset -18px -18px 34px rgba(0,0,0,.13), 0 20px 40px rgba(0,0,0,.2);
}

.contact-section {
  display: grid;
  grid-template-columns: minmax(0, .95fr) minmax(0, 1.05fr);
  gap: clamp(28px, 5vw, 70px);
  align-items: start;
  background:
    radial-gradient(circle at top left, rgba(182, 220, 0, .22), transparent 22rem),
    var(--white);
}

.contact-direct {
  display: grid;
  gap: 10px;
  margin-top: 26px;
}

.contact-direct a {
  color: var(--green-dark);
  font-size: 22px;
  font-weight: 950;
}

.contact-form { padding: 30px; }

label {
  display: block;
  color: var(--green-dark);
  font-weight: 850;
  font-size: 14px;
  margin-bottom: 15px;
}

input,
textarea,
select {
  width: 100%;
  margin-top: 8px;
  border: 2px solid var(--line);
  background: #fbfdf6;
  color: var(--text);
  border-radius: 14px;
  padding: 14px 15px;
  font: inherit;
  outline: none;
}

input:focus,
textarea:focus,
select:focus {
  border-color: var(--lime);
  box-shadow: 0 0 0 4px rgba(182,220,0,.18);
}

.form-note {
  color: var(--muted);
  font-size: 13px;
  margin: 14px 0 0;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: 36px clamp(20px, 5vw, 72px);
  background: var(--green-dark);
  color: white;
}

.footer-brand { color: white; }

.footer-brand .brand-word {
  font-size: 52px;
  color: white;
}

.site-footer p {
  margin-bottom: 0;
  color: rgba(255,255,255,.8);
}

.footer-links {
  display: flex;
  gap: 22px;
  align-items: center;
  font-weight: 850;
}

.footer-links a { color: var(--lime); }

@media (max-width: 1120px) {
  .hero {
    grid-template-columns: 1fr;
  }

  .hero::before {
    inset: 0;
    clip-path: none;
  }

  .hero-product {
    min-height: 760px;
  }

  .button-demo-grid,
  .package-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 900px) {
  .nav {
    position: fixed;
    display: none;
    top: 78px;
    left: 18px;
    right: 18px;
    flex-direction: column;
    align-items: stretch;
    gap: 6px;
    padding: 18px;
    border-radius: 20px;
    background: white;
    border: 2px solid var(--line);
    box-shadow: var(--shadow);
  }

  .nav.open { display: flex; }
  .nav a { padding: 12px; }
  .menu-button { display: block; }

  .value-grid,
  .live-score-section,
  .coachmarks-section,
  .phone-section,
  .sponsor-section,
  .contact-section,
  .founder-section {
    grid-template-columns: 1fr;
  }

  .quick-band {
    transform: none;
    border-radius: 20px;
    margin-top: 20px;
  }

  .quick-band > * { transform: none; }

  .founder-section {
    margin-left: 20px;
    margin-right: 20px;
  }
}

@media (max-width: 620px) {
  .site-header { padding: 12px 18px; }

  .site-header .brand-word { font-size: 34px; }

  .logo-panel .brand-word { font-size: 58px; }

  .hero {
    min-height: auto;
    padding-top: 34px;
  }

  .hero h1 { font-size: 50px; }

  .hero-facts,
  .button-demo-grid,
  .package-grid,
  .value-grid {
    grid-template-columns: 1fr;
  }

  .hero-product {
    min-height: 720px;
  }

  .youtube-window {
    top: 20px;
  }

  .youtube-topbar strong {
    font-size: 13px;
  }

  .youtube-meta {
    align-items: flex-start;
    flex-direction: column;
  }

  .app-control {
    width: 78%;
    height: 180px;
    left: -8px;
    bottom: 120px;
  }

  .app-setup {
    width: 38%;
    height: 300px;
    right: -4px;
    bottom: 30px;
  }

  .quick-band strong { font-size: 22px; }

  .section,
  .live-score-section,
  .buttons-section,
  .coachmarks-section,
  .phone-section,
  .sponsor-section,
  .contact-section {
    padding-top: 62px;
    padding-bottom: 62px;
  }

  .founder-section { padding: 30px; }

  .tennis-ball {
    width: 120px;
    height: 120px;
    font-size: 64px;
  }

  .site-footer,
  .footer-links {
    flex-direction: column;
    align-items: flex-start;
  }
}


/* v7: remove landscape app overlay; keep only clean Match-anlegen app screen */
.app-control {
  display: none !important;
}

.app-setup {
  width: min(280px, 34%);
  height: 520px;
  right: -10px;
  bottom: -18px;
  border-radius: 38px;
  transform: rotate(3deg);
}

@media (max-width: 620px) {
  .app-control {
    display: none !important;
  }

  .app-setup {
    width: 46%;
    height: 350px;
    right: -4px;
    bottom: 22px;
  }
}


/* v8: hero right side tightened – remove large white space */
.hero {
  align-items: center;
}

.hero-product {
  min-height: 690px;
  align-self: center;
  margin-top: -40px;
}

.youtube-window {
  top: 0;
  right: -24px;
  left: -8px;
  transform: scale(1.06);
  transform-origin: center right;
}

.app-setup {
  width: min(285px, 35%);
  height: 520px;
  right: -42px;
  bottom: -6px;
}

@media (max-width: 1120px) {
  .hero-product {
    min-height: 760px;
    margin-top: 0;
  }

  .youtube-window {
    left: 0;
    right: 0;
    transform: none;
  }

  .app-setup {
    right: -8px;
  }
}

@media (max-width: 620px) {
  .hero-product {
    min-height: 690px;
  }

  .youtube-window {
    top: 0;
  }

  .app-setup {
    width: 45%;
    height: 340px;
    right: -8px;
    bottom: 34px;
  }
}


/* v9: pricing clarification */
.package-subline {
  color: var(--muted);
  font-size: 21px;
  max-width: 820px;
  margin-top: -8px;
}

.hardware-note {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-top: 28px;
  padding: 22px 24px;
  border: 2px solid var(--lime);
  border-radius: 22px;
  background: linear-gradient(135deg, #ffffff, #f8fbef);
  box-shadow: 0 14px 40px rgba(0, 48, 23, 0.08);
}

.hardware-icon {
  flex: none;
  display: grid;
  place-items: center;
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background: var(--lime);
  font-size: 28px;
}

.hardware-note strong {
  display: block;
  color: var(--green-dark);
  font-size: 22px;
  line-height: 1.15;
  margin-bottom: 6px;
}

.hardware-note span {
  display: block;
  color: var(--muted);
  font-size: 17px;
  font-weight: 700;
}

/* v12 legal pages */
.legal-page {
  background:
    radial-gradient(circle at top left, rgba(182, 220, 0, 0.18), transparent 22rem),
    #ffffff;
  color: var(--text);
}

.legal-hero {
  padding: clamp(54px, 8vw, 110px) clamp(20px, 5vw, 72px) 34px;
  background: linear-gradient(135deg, var(--green-dark), #001f11);
  color: white;
}

.legal-hero .brand-word {
  color: white;
  font-size: clamp(52px, 8vw, 96px);
}

.legal-hero h1 {
  font-size: clamp(42px, 6vw, 82px);
  line-height: .95;
  letter-spacing: -.055em;
  margin: 30px 0 14px;
}

.legal-hero p {
  color: rgba(255,255,255,.78);
  font-size: 20px;
  max-width: 820px;
}

.legal-content {
  max-width: 980px;
  margin: 0 auto;
  padding: 64px clamp(20px, 4vw, 40px) 92px;
}

.legal-card {
  background: white;
  border: 2px solid var(--line);
  border-radius: 24px;
  padding: clamp(24px, 4vw, 42px);
  box-shadow: 0 14px 40px rgba(0, 48, 23, 0.08);
  margin-bottom: 24px;
}

.legal-card h2 {
  font-size: clamp(28px, 4vw, 42px);
  margin-bottom: 18px;
}

.legal-card h3 {
  margin-top: 28px;
}

.legal-card p,
.legal-card li {
  color: var(--muted);
  font-size: 18px;
}

.legal-card a,
.form-note a {
  color: var(--green-dark);
  font-weight: 900;
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
}

.legal-list {
  margin: 0;
  padding-left: 20px;
}

.legal-note {
  border-left: 6px solid var(--lime);
  background: #f8fbef;
  padding: 16px 18px;
  border-radius: 16px;
  color: var(--muted);
  font-weight: 700;
}

.footer-links {
  flex-wrap: wrap;
}

@media (max-width: 620px) {
  .hardware-note {
    align-items: flex-start;
  }

  .hardware-note strong {
    font-size: 19px;
  }
}


/* v14 bilingual language switcher */
.language-switcher {
  display: inline-flex;
  gap: 6px;
  align-items: center;
  padding: 4px;
  border: 1px solid rgba(0,57,31,.14);
  border-radius: 999px;
  background: #f6f8ef;
}

.language-switcher a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 32px;
  padding: 0 10px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 950;
  color: var(--green-dark);
}

.language-switcher a.active {
  background: var(--green-dark);
  color: #fff;
}

@media (max-width: 900px) {
  .language-switcher {
    align-self: flex-start;
    margin: 8px 0 0 12px;
  }
}

/* v15 bilingual cleanup */
.language-switcher {
  display: inline-flex;
  gap: 6px;
  align-items: center;
  padding: 4px;
  border: 1px solid rgba(0,57,31,.14);
  border-radius: 999px;
  background: #f6f8ef;
}

.language-switcher a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 32px;
  padding: 0 10px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 950;
  color: var(--green-dark);
}

.language-switcher a.active {
  background: var(--green-dark);
  color: #fff;
}

.comparison-table-wrap {
  overflow-x: auto;
  background: #fff;
  border: 2px solid var(--line);
  border-radius: 22px;
  box-shadow: 0 14px 40px rgba(0, 48, 23, 0.08);
  margin-bottom: 22px;
}

.comparison-table {
  width: 100%;
  min-width: 780px;
  border-collapse: collapse;
  color: var(--text);
  font-size: 16px;
}

.comparison-table th {
  background: var(--green-dark);
  color: #fff;
  padding: 18px 16px;
  text-align: center;
  font-size: 18px;
  line-height: 1.15;
}

.comparison-table th:first-child { text-align: left; }
.comparison-table th span { color: #fff; opacity: .92; }

.comparison-table td {
  border-bottom: 1px solid var(--line);
  border-right: 1px solid var(--line);
  padding: 13px 16px;
  text-align: center;
  font-weight: 650;
}

.comparison-table td:first-child {
  text-align: left;
  font-weight: 760;
}

.comparison-table tr:last-child td { border-bottom: none; }

.price-note {
  color: var(--muted);
  font-size: 17px;
  font-style: italic;
  margin: 0 0 34px;
}

@media (max-width: 900px) {
  .language-switcher {
    align-self: flex-start;
    margin: 8px 0 0 12px;
  }
}


/* v16: English app screenshot replacement with real English HTML/CSS mockup */
.phone-mock {
  width: 100%;
  height: 100%;
  background: linear-gradient(180deg, #064820, #001f11);
  color: #fff;
  border-radius: inherit;
  padding: 18px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.phone-status {
  display: flex;
  justify-content: space-between;
  color: rgba(255,255,255,.92);
  font-size: 13px;
  font-weight: 850;
  margin-bottom: 18px;
}

.phone-logo {
  text-align: center;
  font-size: 26px;
  font-weight: 1000;
  letter-spacing: -.04em;
  margin-bottom: 16px;
}

.phone-logo span {
  font-size: .9em;
}

.phone-panel {
  border: 3px solid rgba(255,255,255,.72);
  border-radius: 26px;
  padding: 16px;
  flex: 1;
}

.phone-panel h3 {
  color: #fff;
  text-align: center;
  text-transform: uppercase;
  font-size: 26px;
  margin: 0 0 14px;
}

.phone-panel label {
  color: #fff;
  margin: 10px 0 6px;
  font-size: 13px;
  text-transform: uppercase;
}

.mock-input {
  background: rgba(255,255,255,.12);
  border: 2px solid #25b954;
  border-radius: 12px;
  padding: 10px 12px;
  color: rgba(255,255,255,.92);
  font-size: 16px;
}

.mock-segment {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  background: rgba(255,255,255,.42);
  border-radius: 999px;
  overflow: hidden;
  font-size: 11px;
  color: #06170c;
  text-align: center;
  font-weight: 800;
}

.mock-segment b,
.mock-segment span {
  padding: 8px 6px;
  display: block;
  white-space: nowrap;
}

.mock-segment b {
  background: #fff;
  border-radius: 999px;
}

.phone-panel .mock-segment:nth-of-type(2) {
  grid-template-columns: repeat(2, 1fr);
}

.phone-panel button {
  width: 100%;
  margin-top: 16px;
  border: none;
  border-radius: 14px;
  padding: 13px 10px;
  background: linear-gradient(135deg, #c72ce2, #b21ee0);
  color: #fff;
  font-size: 20px;
  font-weight: 1000;
  text-transform: uppercase;
}

.app-setup-html {
  background: #001f11;
}

.app-setup-html .phone-mock {
  border-radius: 28px;
  transform: none;
}

.phone-mock-small .phone-panel {
  padding: 12px;
}

.phone-mock-small .phone-panel h3 {
  font-size: 21px;
}

.phone-mock-small .phone-logo {
  font-size: 22px;
  margin-bottom: 10px;
}

.phone-mock-small .phone-status {
  margin-bottom: 10px;
}

.phone-mock-small .phone-panel label {
  font-size: 10px;
  margin: 7px 0 4px;
}

.phone-mock-small .mock-input {
  padding: 7px 9px;
  font-size: 12px;
}

.phone-mock-small .mock-segment {
  font-size: 8px;
}

.phone-mock-small .mock-segment b,
.phone-mock-small .mock-segment span {
  padding: 6px 4px;
}

.phone-mock-small .phone-panel button {
  padding: 9px 6px;
  font-size: 15px;
  margin-top: 10px;
}

.phone-mock-card {
  display: grid;
  place-items: center;
  padding: 24px;
  background: radial-gradient(circle at top, rgba(182,220,0,.22), rgba(255,255,255,.06)), rgba(255,255,255,.08);
  border-color: rgba(255,255,255,.2);
}

.phone-mock-large {
  max-width: 390px;
  height: 720px;
  border: 10px solid #fff;
  border-radius: 48px;
  box-shadow: 0 25px 60px rgba(0,0,0,.32);
}

@media (max-width: 620px) {
  .phone-mock-large {
    height: 620px;
  }

  .phone-panel h3 {
    font-size: 22px;
  }
}


.oauth-section { background: #f7fbef; }
.oauth-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  max-width: 1180px;
  margin: 34px auto 0;
}
.oauth-grid article {
  background: #fff;
  border: 2px solid var(--line);
  border-radius: var(--radius);
  padding: 26px;
  box-shadow: 0 14px 40px rgba(0, 48, 23, 0.08);
}
.oauth-grid strong {
  display: block;
  color: var(--green-dark);
  font-size: 24px;
  line-height: 1.1;
  margin-bottom: 10px;
}
.oauth-grid span {
  display: block;
  color: var(--muted);
  font-weight: 650;
  line-height: 1.45;
}
@media (max-width: 860px) {
  .oauth-grid { grid-template-columns: 1fr; }
}


/* v10: original app screenshots + multilingual note */
.language-note {
  margin-top: 26px;
  max-width: 700px;
  padding: 18px 20px;
  border-radius: 22px;
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.22);
}

.language-note strong {
  display: block;
  color: var(--lime);
  font-size: 18px;
  margin-bottom: 8px;
}

.language-note span {
  color: rgba(255,255,255,0.88);
  font-weight: 650;
}

.language-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 14px;
}

.language-badges span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.32);
  background: rgba(255,255,255,0.08);
  color: white;
  font-size: 14px;
  font-weight: 850;
}

.buttons-showcase {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(300px, 380px);
  gap: clamp(24px, 4vw, 40px);
  align-items: center;
}

.feature-list {
  display: grid;
  gap: 14px;
}

.feature-list div {
  border-left: 7px solid var(--lime);
  background: var(--soft);
  border-radius: 16px;
  padding: 16px 18px;
  box-shadow: 0 10px 28px rgba(0,48,23,.06);
}

.feature-list strong {
  display: block;
  color: var(--green-dark);
  font-size: 20px;
}

.feature-list span {
  color: var(--muted);
  font-weight: 650;
}

.screenshot-card {
  margin: 0;
  padding: 16px;
  background: var(--white);
  border: 2px solid var(--line);
  border-radius: 28px;
  box-shadow: var(--shadow);
}

.screenshot-card img {
  width: 100%;
  border-radius: 24px;
  box-shadow: 0 18px 40px rgba(0, 48, 23, 0.14);
}

.screenshot-card figcaption {
  margin-top: 12px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 800;
}

.portrait-card {
  max-width: 260px;
  justify-self: center;
}

.portrait-card img {
  width: 100%;
  max-height: 520px;
  object-fit: contain;
  margin: 0 auto;
}

.phone-image-card.landscape-card {
  padding: 18px;
}

.phone-image-card.landscape-card img {
  width: 100%;
  max-height: none;
  border-radius: 24px;
}

@media (max-width: 900px) {
  .buttons-showcase {
    grid-template-columns: 1fr;
  }

  .portrait-card {
    width: 100%;
    max-width: 220px;
  }

  .portrait-card img {
    max-height: 420px;
  }
}


/* v11: compact original button setup screenshot — explicit override */
.buttons-showcase {
  grid-template-columns: minmax(0, 1fr) auto !important;
  align-items: start !important;
}

.compact-button-screen {
  width: 180px !important;
  max-width: 180px !important;
  padding: 8px !important;
  border-radius: 18px !important;
  justify-self: end !important;
}

.compact-button-screen img {
  width: 100% !important;
  height: auto !important;
  max-height: 390px !important;
  object-fit: contain !important;
  border-radius: 14px !important;
  box-shadow: none !important;
}

.compact-button-screen figcaption {
  font-size: 11px !important;
  line-height: 1.3 !important;
  margin-top: 8px !important;
}

@media (max-width: 900px) {
  .buttons-showcase {
    grid-template-columns: 1fr !important;
  }

  .compact-button-screen {
    width: 150px !important;
    max-width: 150px !important;
    justify-self: center !important;
  }

  .compact-button-screen img {
    max-height: 330px !important;
  }
}