/* Local system fonts: no external font requests. */
@font-face { font-family: 'DM Sans'; src: local('Arial'); font-weight: 100 900; }
@font-face { font-family: 'Manrope'; src: local('Arial'); font-weight: 100 900; }

:root {
  --ink: #0b100e;
  --ink-soft: #121915;
  --paper: #f0f0e9;
  --paper-2: #e6e7df;
  --muted: #a7ada8;
  --green: #b8d33d;
  --green-dark: #6d8423;
  --line-dark: rgba(255,255,255,.14);
  --line-light: rgba(11,16,14,.15);
  --wrap: min(1220px, calc(100% - 64px));
  --ease: cubic-bezier(.22, 1, .36, 1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: "DM Sans", sans-serif; -webkit-font-smoothing: antialiased; }
body.menu-open { overflow: hidden; }
a { color: inherit; }
button, input, select, textarea { font: inherit; }
button { cursor: pointer; }
.wrap { width: var(--wrap); margin-inline: auto; }
.section { padding: 130px 0; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.skip-link { position: fixed; top: 10px; left: 10px; z-index: 1000; transform: translateY(-150%); background: var(--green); color: var(--ink); padding: 10px 16px; text-decoration: none; font-weight: 700; }
.skip-link:focus { transform: none; }

.site-header { position: absolute; z-index: 20; top: 0; left: 0; width: 100%; display: flex; align-items: center; justify-content: space-between; padding: 25px 4vw; color: white; border-bottom: 1px solid var(--line-dark); }
.brand { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; text-transform: uppercase; }
.brand-logo { width: 50px; height: 50px; object-fit: contain; flex: 0 0 auto; background: white; border-radius: 10px; box-shadow: 0 6px 24px rgba(0,0,0,.18); }
.brand-type { display: grid; gap: 1px; letter-spacing: .15em; line-height: 1; }
.brand-type strong { font-family: Manrope, sans-serif; font-size: 15px; font-weight: 700; }
.brand-type small { font-size: 8px; color: rgba(255,255,255,.7); letter-spacing: .22em; }
.main-nav { display: flex; align-items: center; gap: 34px; font-size: 12px; letter-spacing: .11em; text-transform: uppercase; }
.main-nav a { text-decoration: none; color: rgba(255,255,255,.78); transition: color .2s ease; }
.main-nav a:hover, .main-nav a:focus-visible { color: white; }
.main-nav .nav-cta { border: 1px solid rgba(255,255,255,.5); padding: 13px 20px; color: white; }
.menu-toggle { display: none; background: none; border: 0; padding: 10px; }
.menu-toggle > span:not(.sr-only) { display: block; background: white; width: 25px; height: 1px; margin: 6px 0; }

.hero { min-height: 760px; height: 100svh; position: relative; color: white; overflow: hidden; display: flex; align-items: center; }
.hero-media { position: absolute; inset: 0; background: url("assets/golf-hero-stephan.png") center 50% / cover no-repeat; transform: scale(1.02); animation: heroZoom 16s ease-out both; }
.hero-shade { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(4,8,6,.88) 0%, rgba(4,8,6,.55) 43%, rgba(4,8,6,.1) 76%), linear-gradient(0deg, rgba(4,8,6,.55) 0%, transparent 42%); }
.hero-content { position: relative; z-index: 2; padding-top: 90px; }
.eyebrow { display: flex; align-items: center; gap: 12px; margin: 0 0 26px; text-transform: uppercase; letter-spacing: .22em; font-size: 11px; font-weight: 600; }
.eyebrow::before { content: ""; width: 28px; height: 2px; background: var(--green); }
.hero h1 { margin: 0; max-width: 920px; font-family: Manrope, sans-serif; text-transform: uppercase; font-weight: 500; font-size: clamp(50px, 6.55vw, 102px); letter-spacing: -.055em; line-height: .94; }
.hero h1 em { color: var(--green); font-style: normal; }
.hero-copy { max-width: 540px; margin: 34px 0; color: rgba(255,255,255,.72); font-size: 18px; line-height: 1.65; }
.hero-actions { display: flex; align-items: center; gap: 32px; }
.button { appearance: none; border: 0; display: inline-flex; align-items: center; justify-content: space-between; gap: 30px; min-width: 240px; padding: 18px 22px; text-decoration: none; text-transform: uppercase; letter-spacing: .12em; font-size: 11px; font-weight: 600; transition: transform .25s var(--ease), background .25s ease; }
.button:hover { transform: translateY(-3px); }
.button-primary { background: var(--green); color: var(--ink); }
.button-primary:hover { background: #cae54a; }
.button span { font-size: 17px; }
.text-link { color: white; text-decoration: none; font-size: 12px; text-transform: uppercase; letter-spacing: .14em; border-bottom: 1px solid rgba(255,255,255,.35); padding-bottom: 8px; }
.text-link span { color: var(--green); margin-left: 12px; }
.hero-index { position: absolute; z-index: 2; right: 3vw; bottom: 110px; display: flex; flex-direction: column; align-items: center; gap: 8px; font-size: 9px; letter-spacing: .12em; color: rgba(255,255,255,.55); }
.hero-index i { display: block; width: 1px; height: 72px; background: linear-gradient(var(--green) 30%, rgba(255,255,255,.25) 30%); }
.scroll-cue { position: absolute; z-index: 2; left: 50%; bottom: 34px; width: 24px; height: 40px; border: 1px solid rgba(255,255,255,.35); border-radius: 18px; }
.scroll-cue span { position: absolute; top: 8px; left: 10px; width: 2px; height: 7px; background: var(--green); animation: scroll 1.8s ease-in-out infinite; }

.intro { background: var(--paper); }
.intro-grid { display: grid; grid-template-columns: 1.25fr .75fr; align-items: end; gap: 10vw; }
.display { font-family: Manrope, sans-serif; font-weight: 500; text-transform: uppercase; letter-spacing: -.05em; line-height: .98; font-size: clamp(42px, 5vw, 76px); margin: 0; }
.display span { color: var(--green-dark); }
.intro-copy { font-size: 17px; line-height: 1.75; color: #505752; }
.intro-copy p:first-child { margin-top: 0; }
.discipline-grid { display: grid; grid-template-columns: repeat(3, 1fr); margin-top: 90px; border-top: 1px solid var(--line-light); border-bottom: 1px solid var(--line-light); }
.discipline-card { min-height: 420px; padding: 35px 42px 40px 0; position: relative; border-right: 1px solid var(--line-light); }
.discipline-card + .discipline-card { padding-left: 42px; }
.discipline-card:last-child { border-right: 0; padding-right: 0; }
.card-number { position: absolute; right: 26px; top: 30px; color: #8b908c; font-size: 10px; letter-spacing: .16em; }
.line-icon { height: 100px; margin: 45px 0 20px; position: relative; }
.line-icon::before, .line-icon::after, .line-icon i { content: ""; position: absolute; display: block; }
.icon-swing::before { width: 75px; height: 75px; border: 1px solid #6d766f; border-left-color: transparent; border-bottom-color: var(--green-dark); border-radius: 50%; transform: rotate(-28deg); }
.icon-swing::after { width: 62px; height: 1px; background: var(--ink); transform: rotate(48deg); top: 48px; left: 31px; }
.icon-swing i { width: 6px; height: 6px; background: var(--green-dark); border-radius: 50%; left: 7px; top: 69px; }
.icon-body::before { width: 25px; height: 60px; border: 1px solid #6d766f; border-radius: 50%; transform: rotate(25deg); left: 27px; top: 19px; }
.icon-body::after { width: 72px; height: 72px; border: 1px solid var(--green-dark); border-top-color: transparent; border-radius: 50%; left: 3px; top: 3px; }
.icon-body i { width: 1px; height: 90px; background: #7c837e; transform: rotate(-35deg); left: 54px; top: 3px; }
.icon-focus::before { width: 74px; height: 74px; border: 1px solid #6d766f; border-radius: 50%; top: 4px; left: 4px; box-shadow: inset 0 0 0 18px var(--paper), inset 0 0 0 19px var(--green-dark); }
.icon-focus::after { width: 8px; height: 8px; background: var(--ink); border-radius: 50%; top: 37px; left: 37px; }
.icon-focus i { width: 95px; height: 1px; background: #929892; top: 41px; left: -6px; transform: rotate(-28deg); }
.discipline-card h3, .training-row h3 { font-family: Manrope, sans-serif; font-size: 24px; text-transform: uppercase; letter-spacing: -.02em; margin: 0 0 16px; }
.discipline-card p { min-height: 75px; color: #5e655f; line-height: 1.65; font-size: 14px; }
.discipline-card a { display: inline-flex; gap: 30px; text-transform: uppercase; text-decoration: none; letter-spacing: .14em; font-size: 10px; font-weight: 600; border-bottom: 1px solid var(--line-light); padding-bottom: 7px; }
.discipline-card a span { color: var(--green-dark); }

.method { background: var(--ink); color: white; }
.method-panel { display: grid; grid-template-columns: 1fr 1fr; min-height: 720px; }
.method-visual { position: relative; overflow: hidden; min-height: 650px; background: radial-gradient(circle at 50% 50%, #1c2922 0, #101713 55%, #0b100e 100%); border: 1px solid var(--line-dark); }
.method-visual::after { content: ""; position: absolute; inset: 0; opacity: .18; background-image: linear-gradient(rgba(255,255,255,.2) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.2) 1px, transparent 1px); background-size: 50px 50px; }
.orbit { position: absolute; left: 50%; top: 50%; border: 1px solid rgba(184,211,61,.38); border-radius: 50%; transform: translate(-50%, -50%); }
.orbit-one { width: 380px; height: 380px; }
.orbit-two { width: 220px; height: 220px; border-style: dashed; }
.swing-arc { position: absolute; width: 410px; height: 410px; border: 4px solid transparent; border-top-color: var(--green); border-right-color: rgba(184,211,61,.25); border-radius: 50%; left: 50%; top: 50%; transform: translate(-50%, -50%) rotate(-25deg); filter: drop-shadow(0 0 12px rgba(184,211,61,.3)); }
.ball { position: absolute; z-index: 2; left: calc(50% + 131px); top: calc(50% - 147px); width: 16px; height: 16px; background: var(--paper); border-radius: 50%; box-shadow: 0 0 25px rgba(255,255,255,.5); }
.axis { position: absolute; z-index: 1; background: rgba(255,255,255,.2); }
.axis-x { width: 76%; height: 1px; left: 12%; top: 50%; }
.axis-y { height: 76%; width: 1px; top: 12%; left: 50%; }
.data-tag { position: absolute; z-index: 3; color: white; border-left: 2px solid var(--green); padding-left: 12px; }
.data-tag small { display: block; text-transform: uppercase; letter-spacing: .16em; font-size: 8px; color: var(--muted); }
.data-tag strong { font-family: Manrope, sans-serif; font-size: 12px; text-transform: uppercase; letter-spacing: .08em; }
.tag-one { left: 8%; top: 18%; }.tag-two { right: 8%; bottom: 15%; }
.method-content { padding: 40px 0 20px 8vw; }
.method-content .display span { color: var(--green); }
.method-lead { color: var(--muted); line-height: 1.7; max-width: 530px; margin: 30px 0 44px; }
.steps { list-style: none; padding: 0; margin: 0; border-top: 1px solid var(--line-dark); }
.steps li { display: grid; grid-template-columns: 46px 1fr; gap: 20px; padding: 20px 0; border-bottom: 1px solid var(--line-dark); }
.steps li > span { color: var(--green); font-size: 9px; letter-spacing: .15em; padding-top: 6px; }
.steps h3 { margin: 0 0 5px; text-transform: uppercase; font-family: Manrope, sans-serif; font-size: 15px; letter-spacing: .04em; }
.steps p { margin: 0; color: #909791; font-size: 13px; line-height: 1.5; }

.training { background: var(--paper); }
.section-heading { display: grid; grid-template-columns: 1.2fr .6fr; gap: 10vw; align-items: end; }
.section-heading > p { color: #5d645f; line-height: 1.7; margin: 0; }
.training-list { margin-top: 85px; border-top: 1px solid var(--line-light); }
.training-row { position: relative; display: grid; grid-template-columns: 60px .75fr 1fr 45px; align-items: center; gap: 35px; min-height: 170px; border-bottom: 1px solid var(--line-light); transition: padding .35s var(--ease), background .35s ease; }
.training-row:hover { padding-inline: 20px; background: rgba(255,255,255,.4); }
.row-index { font-size: 10px; color: #7c827e; }
.mini-label { margin: 0 0 9px; text-transform: uppercase; letter-spacing: .15em; font-size: 9px; color: var(--green-dark); font-weight: 600; }
.training-row h3 { margin: 0; }
.training-row > p { color: #5e655f; line-height: 1.65; font-size: 14px; max-width: 490px; }
.row-arrow { justify-self: end; width: 38px; height: 38px; border: 1px solid var(--line-light); border-radius: 50%; display: grid; place-items: center; color: var(--green-dark); }

.principle { background: #171e1a; color: white; }
.principle-grid { display: grid; grid-template-columns: .8fr 1.1fr; gap: 10vw; align-items: center; }
.scorecard { border: 1px solid var(--line-dark); min-height: 470px; padding: 28px; position: relative; background: linear-gradient(145deg, #1d2721, #111713); }
.score-label { text-transform: uppercase; font-size: 9px; letter-spacing: .2em; color: #9ea49f; }
.radar { width: 245px; height: 245px; margin: 35px auto 25px; border: 1px solid rgba(255,255,255,.15); border-radius: 50%; position: relative; background: repeating-radial-gradient(circle, transparent 0 40px, rgba(255,255,255,.09) 41px 42px); }
.radar::before, .radar::after { content: ""; position: absolute; background: rgba(255,255,255,.12); left: 50%; top: 0; width: 1px; height: 100%; }
.radar::after { transform: rotate(90deg); }
.radar i { position: absolute; inset: 35px; border: 1px solid rgba(184,211,61,.22); transform: rotate(45deg); }
.radar i:nth-child(2) { inset: 68px; }.radar i:nth-child(3) { inset: 95px; }
.radar span { position: absolute; inset: 53px 42px 57px 55px; background: rgba(184,211,61,.19); border: 2px solid var(--green); clip-path: polygon(51% 0, 96% 38%, 77% 95%, 20% 78%, 0 30%); }
.scorecard ul { list-style: none; padding: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 10px 20px; margin: 0; font-size: 10px; text-transform: uppercase; letter-spacing: .08em; color: #a3aaa4; }
.scorecard li { border-top: 1px solid var(--line-dark); padding-top: 9px; }.scorecard b { color: var(--green); margin-right: 8px; }
.principle .display span { color: var(--green); }
.principle-grid > div:last-child > p:not(.eyebrow) { color: #a4aaa5; max-width: 620px; line-height: 1.75; font-size: 17px; margin: 34px 0; }
.principle-points { display: flex; flex-wrap: wrap; gap: 12px; }
.principle-points span { border: 1px solid var(--line-dark); padding: 11px 14px; text-transform: uppercase; font-size: 9px; letter-spacing: .12em; }

.contact { background: var(--paper-2); }
.contact-grid { display: grid; grid-template-columns: .85fr 1fr; gap: 11vw; }
.contact-copy > p:not(.eyebrow) { color: #5b625d; line-height: 1.7; max-width: 510px; }
.contact-copy .contact-note { font-size: 12px; padding-left: 13px; border-left: 2px solid var(--green-dark); margin-top: 30px; }
.contact-form { display: grid; gap: 24px; padding-top: 10px; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.contact-form label { display: grid; gap: 8px; font-size: 9px; text-transform: uppercase; letter-spacing: .16em; font-weight: 600; color: #4f5651; }
.contact-form input, .contact-form select, .contact-form textarea { width: 100%; border: 0; border-bottom: 1px solid #a8ada8; background: transparent; padding: 12px 2px; color: var(--ink); outline: none; border-radius: 0; resize: vertical; }
.contact-form input:focus, .contact-form select:focus, .contact-form textarea:focus { border-color: var(--green-dark); box-shadow: 0 1px var(--green-dark); }
.contact-form .button { justify-self: start; margin-top: 8px; }
.form-status { min-height: 20px; margin: 0; font-size: 13px; color: #5b625d; }
.form-status.error { color: #9b3d2d; }
.prepared-message { padding: 22px; border: 1px solid var(--line-light); background: rgba(255,255,255,.45); }
.prepared-message textarea { font-family: "DM Sans", sans-serif; line-height: 1.6; text-transform: none; letter-spacing: 0; }
.copy-button { margin-top: 12px; border: 0; background: var(--ink); color: white; padding: 12px 16px; text-transform: uppercase; letter-spacing: .12em; font-size: 9px; }

.site-footer { background: var(--ink); color: white; padding: 70px 0 35px; }
.footer-grid { display: grid; grid-template-columns: 1fr 1fr .55fr; gap: 50px; align-items: start; }
.brand-footer .brand-logo { width: 76px; height: 76px; border-radius: 14px; }
.footer-grid > p { margin: 0; color: #969d97; font-family: Manrope, sans-serif; font-size: 18px; line-height: 1.5; text-transform: uppercase; }
.footer-links { display: grid; gap: 12px; font-size: 10px; text-transform: uppercase; letter-spacing: .13em; }
.footer-links a { text-decoration: none; color: #b0b5b1; }
.footer-meta { grid-column: 1 / -1; border-top: 1px solid var(--line-dark); padding-top: 24px; margin-top: 30px; display: flex; justify-content: space-between; gap: 30px; color: #727a73; font-size: 9px; text-transform: uppercase; letter-spacing: .09em; }

.reveal { opacity: 0; transform: translateY(28px); transition: opacity .85s var(--ease), transform .85s var(--ease); }
.reveal.visible { opacity: 1; transform: none; }
@keyframes heroZoom { from { transform: scale(1.08); } to { transform: scale(1.02); } }
@keyframes scroll { 0% { transform: translateY(0); opacity: 0; } 40% { opacity: 1; } 100% { transform: translateY(14px); opacity: 0; } }

@media (max-width: 980px) {
  :root { --wrap: min(100% - 42px, 800px); }
  .section { padding: 95px 0; }
  .intro-grid, .section-heading, .principle-grid, .contact-grid { grid-template-columns: 1fr; gap: 48px; }
  .discipline-card { padding-right: 24px; }.discipline-card + .discipline-card { padding-left: 24px; }
  .method-panel { grid-template-columns: 1fr; }
  .method-content { padding: 80px 0 0; }
  .method-visual { min-height: 500px; }
  .training-row { grid-template-columns: 40px .8fr 1fr 40px; gap: 20px; }
  .principle-grid { grid-template-columns: .8fr 1fr; gap: 7vw; }
}

@media (max-width: 720px) {
  :root { --wrap: calc(100% - 36px); }
  .site-header { padding: 18px; position: absolute; }
  .brand-logo { width: 46px; height: 46px; border-radius: 9px; }
  .brand-type strong { font-size: 13px; }
  .brand-type small { font-size: 7px; }
  .menu-toggle { display: block; z-index: 30; }
  .main-nav { position: fixed; inset: 0; background: var(--ink); z-index: 25; display: flex; flex-direction: column; align-items: flex-start; justify-content: center; padding: 80px 36px; gap: 30px; transform: translateX(100%); transition: transform .45s var(--ease); font-size: 19px; }
  .main-nav.open { transform: none; }
  .main-nav .nav-cta { margin-top: 10px; }
  .menu-toggle[aria-expanded="true"] span:nth-of-type(2) { transform: translateY(3.5px) rotate(45deg); }
  .menu-toggle[aria-expanded="true"] span:nth-of-type(3) { transform: translateY(-3.5px) rotate(-45deg); }
  .hero { min-height: 720px; height: 100svh; align-items: flex-end; padding-bottom: 95px; }
  .hero-media { background-position: 62% center; }
  .hero-shade { background: linear-gradient(0deg, rgba(4,8,6,.95) 0%, rgba(4,8,6,.7) 56%, rgba(4,8,6,.22) 100%); }
  .hero-content { padding-top: 100px; }
  .hero h1 { font-size: clamp(43px, 13.2vw, 64px); line-height: .98; }
  .hero-copy { font-size: 15px; margin: 25px 0; max-width: 90%; }
  .hero-actions { align-items: flex-start; flex-direction: column; gap: 20px; }
  .button { min-width: 230px; }
  .hero-index, .scroll-cue { display: none; }
  .section { padding: 78px 0; }
  .display { font-size: clamp(37px, 11vw, 55px); }
  .intro-grid { gap: 32px; }
  .intro-copy { font-size: 15px; }
  .discipline-grid { grid-template-columns: 1fr; margin-top: 55px; }
  .discipline-card, .discipline-card + .discipline-card, .discipline-card:last-child { min-height: 350px; padding: 25px 0 35px; border-right: 0; border-bottom: 1px solid var(--line-light); }
  .discipline-card:last-child { border-bottom: 0; }
  .line-icon { margin-top: 30px; }
  .method-panel { width: 100%; }
  .method-visual { min-height: 400px; }
  .orbit-one, .swing-arc { width: 290px; height: 290px; }.orbit-two { width: 170px; height: 170px; }
  .ball { left: calc(50% + 90px); top: calc(50% - 115px); }
  .method-content { width: var(--wrap); margin-inline: auto; padding-top: 65px; }
  .training-list { margin-top: 50px; }
  .training-row { grid-template-columns: 35px 1fr 32px; padding: 28px 0; gap: 12px; }
  .training-row > p { grid-column: 2 / -1; margin: 0; }
  .row-arrow { grid-column: 3; grid-row: 1; }
  .training-row:hover { padding-inline: 10px; }
  .principle-grid { grid-template-columns: 1fr; }
  .scorecard { min-height: 430px; order: 2; }
  .radar { width: 215px; height: 215px; }
  .field-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-links { grid-column: 2; grid-row: 1 / span 2; }
  .footer-meta { flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}