/* Greens — brianrossen.com/greens
   The app's own palette: cream paper, felt green, cream rails, a red flag.
   No web fonts: ui-serif is New York on Apple devices, the same serif the app uses. */

:root {
  color-scheme: light;
  --paper: #F6F0E0;
  --paper-deep: #EDE4CC;
  --sheet: #FBF7EC;
  --ink: #1F3A2A;
  --ink-soft: #4E6356;
  --rule: #DCCFAE;
  --felt: #3E9B57;
  --felt-stripe: #44A25E;
  --felt-deep: #2B7442;
  --club: #1E4D32;
  --lawn: #557F45;
  --rail: #F2E8D0;
  --rail-shade: #D8CAA8;
  --flag: #D8433A;
  --gold: #D4A23A;
  --silver: #98A9A0;
  --bronze: #BE7F46;
  --display: ui-serif, "New York", "Iowan Old Style", "Palatino Linotype", Georgia, serif;
  --body: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", system-ui, sans-serif;
  --radius: 22px;
  --gutter: clamp(16px, 4vw, 32px);
}

* { 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;
  background: var(--paper);
  color: var(--ink);
  font: 17px/1.6 var(--body);
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: var(--felt-deep); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--flag); }
::selection { background: var(--felt); color: #fff; }
:focus-visible { outline: 3px solid var(--flag); outline-offset: 3px; border-radius: 6px; }

.wrap { max-width: 1120px; margin: 0 auto; padding: 0 var(--gutter); }
.narrow { max-width: 720px; margin: 0 auto; padding: 0 var(--gutter); }

/* Type */
.display, h1, h2, h3 { font-family: var(--display); color: var(--ink); margin: 0; }
h1 { font-size: clamp(42px, 7vw, 76px); line-height: 1.02; font-weight: 800; font-style: italic; letter-spacing: -0.02em; }
h2 { font-size: clamp(30px, 4.4vw, 46px); line-height: 1.08; font-weight: 800; font-style: italic; letter-spacing: -0.015em; }
h3 { font-size: 22px; line-height: 1.2; font-weight: 700; }
.caps {
  font: 800 12px/1.3 var(--body);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-soft);
}
.lede { font-size: clamp(18px, 2.2vw, 21px); color: var(--ink-soft); max-width: 34em; }

/* Header */
.top {
  position: sticky; top: 0; z-index: 20;
  background: color-mix(in srgb, var(--paper) 88%, transparent);
  -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--rule);
}
.top .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; height: 64px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--ink); }
.brand img { width: 34px; height: 34px; border-radius: 23%; box-shadow: 0 2px 8px rgba(16,34,18,.25); }
.brand span { font: italic 800 25px/1 var(--display); letter-spacing: -0.02em; }
.nav { display: flex; align-items: center; gap: clamp(12px, 3vw, 26px); font-size: 15px; font-weight: 600; }
.nav a { color: var(--ink-soft); text-decoration: none; }
.nav a:hover, .nav a[aria-current="page"] { color: var(--ink); }
@media (max-width: 620px) { .nav .hide-sm { display: none; } }
/* Phones: the hero already has the store button, so the header keeps just the name and Support. */
@media (max-width: 480px) { .nav .store, .nav .appstore { display: none; } .brand span { font-size: 22px; } }
.nav .store { white-space: nowrap; }

/* Buttons */
.store {
  display: inline-flex; align-items: center; gap: 10px;
  background: var(--ink); color: var(--rail);
  padding: 12px 20px 12px 16px; border-radius: 14px;
  text-decoration: none; font-weight: 700; font-size: 15px; line-height: 1.15;
  box-shadow: 0 6px 18px rgba(16,34,18,.22);
}
.store small { display: block; font-weight: 500; font-size: 11px; opacity: .8; letter-spacing: .02em; }
.store svg { width: 24px; height: 24px; flex: none; }
.store:hover { color: #fff; background: #183020; }
.store.soon { background: var(--felt-deep); cursor: default; }
/* Apple's official App Store badge, unmodified. Apple's minimum on screen is 40px tall. */
.appstore { display: inline-block; line-height: 0; border-radius: 9px; }
.appstore img { display: block; height: 48px; width: auto; }
.nav .appstore img { height: 40px; }
.pill {
  display: inline-block; padding: 7px 14px; border-radius: 999px;
  background: var(--sheet); border: 1px solid var(--rule);
  font-size: 14px; font-weight: 600; color: var(--ink-soft);
}

/* Hero */
.hero { position: relative; padding: clamp(40px, 7vw, 88px) 0 clamp(56px, 8vw, 104px); overflow: hidden; }
.hero .wrap { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr); gap: clamp(24px, 5vw, 64px); align-items: center; }
.hero .copy { position: relative; z-index: 1; }
.hero .copy > * + * { margin-top: 22px; }
.hero .facts { display: flex; flex-wrap: wrap; gap: 8px; }
.hero .stage { position: relative; display: flex; justify-content: center; }
@media (max-width: 860px) {
  .hero .wrap { grid-template-columns: 1fr; }
  .hero .stage { order: -1; }
}

/* Scenery sprites from the game, scattered round the edges */
.sprite { position: absolute; pointer-events: none; user-select: none; }

/* Devices: Apple's own frames (Tools/Art/make_web_devices.py), transparent, buttons and all */
.device { width: min(310px, 76vw); height: auto; filter: drop-shadow(0 26px 30px rgba(16,34,18,.3)); }
.device.small { width: min(240px, 64vw); filter: drop-shadow(0 18px 22px rgba(16,34,18,.24)); }
.duo-device { width: 100%; max-width: 660px; height: auto; filter: drop-shadow(0 30px 40px rgba(8,24,12,.45)); }

/* Sections */
section { padding: clamp(56px, 8vw, 104px) 0; }
.head { max-width: 640px; margin-bottom: clamp(28px, 4vw, 48px); }
.head > * + * { margin-top: 14px; }

/* Felt band: a strip of green carpet with the mowing stripes and a cream rail */
.felt {
  position: relative;
  background:
    repeating-linear-gradient(-58deg, var(--felt) 0 34px, var(--felt-stripe) 34px 68px);
  border-top: 14px solid var(--rail);
  border-bottom: 14px solid var(--rail);
  box-shadow: inset 0 6px 10px rgba(16,34,18,.25), inset 0 -6px 10px rgba(16,34,18,.18);
  color: #fff;
}
.felt h2, .felt h3 { color: #fff; }
.felt .caps { color: rgba(255,255,255,.8); }
.felt .lede { color: rgba(255,255,255,.88); }

/* iPhone Duo */
.duo-grid { display: grid; grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr); gap: clamp(28px, 5vw, 64px); align-items: center; }
.duo-grid .copy > * + * { margin-top: 16px; }
.duo-stage { display: flex; justify-content: center; }
@media (max-width: 860px) { .duo-grid { grid-template-columns: 1fr; } }

/* How it plays */
.steps { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.step { background: rgba(16,34,18,.18); border-radius: var(--radius); padding: 24px; }
.step svg { width: 100%; height: 120px; display: block; margin-bottom: 14px; }
.step p { margin: 8px 0 0; color: rgba(255,255,255,.88); font-size: 16px; }
@media (max-width: 820px) { .steps { grid-template-columns: 1fr; } }

/* Screens row */
.shots {
  display: flex; gap: 22px; overflow-x: auto; scroll-snap-type: x mandatory;
  padding: 8px var(--gutter) 28px; margin: 0 calc(var(--gutter) * -1);
  scrollbar-width: none;
}
.shots::-webkit-scrollbar { display: none; }
.shots figure { margin: 0; flex: none; scroll-snap-align: center; }
.shots figcaption { text-align: center; margin-top: 14px; font-weight: 600; font-size: 15px; color: var(--ink-soft); }

/* Courses */
.classic { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; margin-bottom: 20px; }
.courses { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.course {
  background: var(--sheet); border: 1px solid var(--rule); border-radius: var(--radius);
  overflow: hidden; box-shadow: 0 8px 22px rgba(16,34,18,.08);
}
.course img { width: 100%; height: auto; aspect-ratio: 1 / 1; object-fit: cover; object-position: center 30%; }
.course .body { padding: 18px 20px 20px; }
.course .body p { margin: 4px 0 0; color: var(--ink-soft); font-size: 16px; }
.course .meta { margin-top: 12px; display: flex; align-items: center; gap: 8px; font-size: 13px; font-weight: 700; color: var(--ink-soft); }
/* Coming in 1.1: the "Also new" list under the new courses. */
/* A swipeable row of App Store screenshots (iPhone and iPad), all the same height. */
.store-shots { display: flex; gap: 14px; overflow-x: auto; margin: 8px 0 32px; padding-bottom: 10px; scroll-snap-type: x proximity; -webkit-overflow-scrolling: touch; }
.store-shots img { height: 460px; width: auto; flex: none; border-radius: 16px; border: 1px solid var(--rule); scroll-snap-align: start; }
@media (max-width: 620px) { .store-shots img { height: 380px; } }
.also-head { margin: 40px 0 14px; font-size: 22px; }
.also-new { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px 28px; }
.also-new li { position: relative; padding: 12px 0 12px 22px; border-top: 1px solid var(--rule); color: var(--ink-soft); font-size: 16px; line-height: 1.5; }
.also-new li::before { content: ""; position: absolute; left: 2px; top: 21px; width: 8px; height: 8px; border-radius: 50%; background: var(--felt); }
.also-new strong { color: var(--ink); }
@media (max-width: 720px) { .also-new { grid-template-columns: 1fr; } }
.classic .course { display: flex; flex-direction: column; justify-content: space-between; padding: 26px; }
.classic .course h3 { font-size: 30px; font-style: italic; font-weight: 800; }
@media (max-width: 900px) { .courses { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 560px) { .courses, .classic { grid-template-columns: 1fr; } }

/* Medals */
.medals { display: flex; gap: 18px; flex-wrap: wrap; margin-top: 22px; }
.medal { display: flex; align-items: center; gap: 10px; font-weight: 600; font-size: 15px; color: var(--ink-soft); }
.coin { width: 26px; height: 26px; border-radius: 50%; display: grid; place-items: center; box-shadow: inset 0 0 0 2px rgba(255,255,255,.4); }

/* Features */
.features { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.feature { background: var(--sheet); border: 1px solid var(--rule); border-radius: var(--radius); padding: 26px; }
.feature .glyph { width: 44px; height: 44px; border-radius: 13px; display: grid; place-items: center; background: var(--felt); color: #fff; margin-bottom: 16px; }
.feature .glyph svg { width: 24px; height: 24px; }
.feature p { margin: 8px 0 0; color: var(--ink-soft); font-size: 16px; }
@media (max-width: 900px) { .features { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 560px) { .features { grid-template-columns: 1fr; } }

/* The promise */
.promise { text-align: center; }
.promise h2 { font-size: clamp(34px, 6vw, 64px); }
.promise .lede { margin: 18px auto 0; }

/* Scorecard-style CTA */
.card {
  background: var(--sheet); border-radius: var(--radius); padding: clamp(28px, 5vw, 48px);
  box-shadow: 0 18px 40px rgba(16,34,18,.16); text-align: center;
}
.card > * + * { margin-top: 16px; }

/* Legal / support pages */
.page { padding: clamp(40px, 7vw, 80px) 0 clamp(64px, 9vw, 110px); }
.page .card { text-align: left; }
.prose h2 { font-size: clamp(26px, 3.4vw, 32px); margin: 40px 0 10px; }
.prose h2:first-of-type { margin-top: 28px; }
.prose h3 { margin: 26px 0 6px; font-size: 19px; }
.prose p, .prose li { color: var(--ink-soft); }
.prose p { margin: 0 0 14px; }
.prose ul { padding-left: 1.2em; margin: 0 0 14px; }
.prose li { margin-bottom: 6px; }
.prose strong { color: var(--ink); }
.faq details { border-top: 1px solid var(--rule); padding: 16px 0; }
.faq details:last-of-type { border-bottom: 1px solid var(--rule); }
.faq summary { cursor: pointer; font-weight: 700; color: var(--ink); list-style: none; display: flex; justify-content: space-between; gap: 16px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font: 400 24px/1 var(--body); color: var(--felt-deep); }
.faq details[open] summary::after { content: "–"; }
.faq details p { margin: 10px 0 0; }
.contact { display: flex; flex-wrap: wrap; align-items: center; gap: 14px; margin-top: 18px; }

/* Footer */
footer { border-top: 1px solid var(--rule); padding: 34px 0 44px; font-size: 14px; color: var(--ink-soft); }
footer .wrap { display: flex; flex-wrap: wrap; gap: 14px 28px; align-items: center; justify-content: space-between; }
footer nav { display: flex; gap: 22px; }
footer a { color: var(--ink-soft); }