/*
 * BilliardSoftware Stylesheet
 * Visual redesign: March 2026
 */

:root {
  --felt-950: #072d22;
  --felt-900: #0c3d30;
  --felt-800: #125340;
  --felt-700: #1a6f55;
  --felt-500: #2aa37d;
  --sky-100: #ecf8ff;
  --sky-200: #d8f1ff;
  --gold-500: #c79d41;
  --gold-400: #dfba67;
  --ink-900: #13231d;
  --ink-700: #385149;
  --ink-500: #5f766f;
  --cream-50: #fcfaf4;
  --cream-100: #f6f1e7;
  --white: #ffffff;
  --line-soft: rgba(14, 55, 44, 0.12);
  --shadow-lg: 0 24px 60px rgba(5, 24, 19, 0.18);
  --shadow-md: 0 18px 40px rgba(10, 32, 25, 0.12);
  --radius-xl: 28px;
  --radius-lg: 22px;
  --radius-md: 16px;
  --radius-sm: 12px;
}

/* ===== Accessibility ===== */
.skip-link {
  position: absolute;
  top: -48px;
  left: 16px;
  background: var(--ink-900);
  color: var(--white);
  padding: 10px 14px;
  border-radius: 999px;
  text-decoration: none;
  z-index: 200;
}

.skip-link:focus {
  top: 16px;
}

/* ===== Base ===== */
html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  padding: 12px;
  color: var(--ink-900);
  font: 400 16px/1.7 "Avenir Next", "Segoe UI", "Trebuchet MS", sans-serif;
  background:
    radial-gradient(circle at top left, rgba(223, 186, 103, 0.28), transparent 26%),
    radial-gradient(circle at right 10% top 20%, rgba(42, 163, 125, 0.16), transparent 22%),
    linear-gradient(135deg, #0a3528 0%, #114738 45%, #0f2f25 100%);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 28px 28px;
  pointer-events: none;
  opacity: 0.45;
}

/* ===== Reset ===== */
ul,
ol,
dl {
  margin: 0;
  padding: 0;
}

h1,
h2,
h3,
h4,
h5,
h6,
p {
  margin: 0;
  padding: 0;
}

a img {
  border: none;
}

img {
  max-width: 100%;
  height: auto;
}

/* ===== Links ===== */
a:link,
a:visited {
  color: var(--felt-800);
  text-decoration: underline;
  text-decoration-thickness: 1.5px;
  text-underline-offset: 0.18em;
}

a:hover,
a:active,
a:focus {
  color: var(--felt-500);
  text-decoration: none;
}

/* ===== Layout ===== */
.container {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  gap: 24px;
  width: min(1320px, 100%);
  margin: 0 auto;
  padding: 16px;
  background: rgba(252, 250, 244, 0.92);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 34px;
  box-shadow: var(--shadow-lg);
  backdrop-filter: blur(10px);
}

/* ===== Sidebar ===== */
.sidebar1 {
  display: flex;
  flex-direction: column;
  gap: 18px;
  align-self: start;
  padding: 18px;
  border-radius: var(--radius-xl);
  background:
    linear-gradient(180deg, rgba(15, 76, 59, 0.95) 0%, rgba(7, 45, 34, 0.98) 100%);
  color: var(--white);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08), var(--shadow-md);
  position: sticky;
  top: 24px;
}

.sidebar-logo {
  padding: 18px;
  border-radius: var(--radius-lg);
  background:
    radial-gradient(circle at top, rgba(255, 255, 255, 0.14), transparent 55%),
    linear-gradient(135deg, rgba(199, 157, 65, 0.26), rgba(42, 163, 125, 0.18));
  text-align: center;
}

.sidebar-logo a {
  display: inline-flex;
  justify-content: center;
  width: 100%;
}

.sidebar-logo img {
  filter: drop-shadow(0 10px 14px rgba(0, 0, 0, 0.18));
}

aside {
  width: auto;
  float: none;
  padding: 16px 18px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

aside h4,
aside p {
  color: rgba(255, 255, 255, 0.92);
}

aside h4 {
  margin-bottom: 6px;
  font: 700 0.78rem/1.2 "Avenir Next", "Trebuchet MS", sans-serif;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

aside a:link,
aside a:visited {
  color: var(--gold-400);
}

/* ===== Navigation ===== */
ul.nav {
  list-style: none;
  display: grid;
  gap: 8px;
  margin-bottom: 6px;
}

ul.nav li {
  border: 0;
}

ul.nav a,
ul.nav a:visited {
  display: flex;
  align-items: center;
  min-height: 48px;
  width: auto;
  padding: 12px 14px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.05);
  color: rgba(255, 255, 255, 0.92);
  text-decoration: none;
  font: 700 0.96rem/1.2 "Avenir Next", "Trebuchet MS", sans-serif;
  letter-spacing: 0.01em;
  transition: transform 160ms ease, background-color 160ms ease, color 160ms ease, box-shadow 160ms ease;
}

ul.nav a:hover,
ul.nav a:active,
ul.nav a:focus {
  background: rgba(255, 255, 255, 0.12);
  color: var(--white);
  transform: translateX(3px);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.08);
}

ul.nav a.active {
  background: linear-gradient(135deg, var(--gold-500), #e5c779);
  color: #162217;
  box-shadow: 0 10px 24px rgba(199, 157, 65, 0.28);
}

.language-switch {
  display: flex;
  gap: 10px;
  padding: 4px 0 2px;
  align-items: center;
}

.language-switch a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 38px;
  min-height: 36px;
  padding: 0 10px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  color: rgba(255, 255, 255, 0.92);
  text-decoration: none;
  font: 700 0.8rem/1 "Avenir Next", "Trebuchet MS", sans-serif;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.language-switch a.active,
.language-switch a:hover,
.language-switch a:focus {
  background: var(--white);
  color: var(--felt-900);
  border-color: transparent;
}

/* ===== Content ===== */
.content {
  width: auto;
  float: none;
  min-width: 0;
  background: transparent;
  padding: 8px 10px 12px;
}

.content section {
  display: flex;
  flex-direction: column;
  gap: 18px;
  padding: 0;
}

.content p,
.content li,
.content dd,
.content dt {
  color: var(--ink-700);
}

.content p + p {
  margin-top: 10px;
}

.content ul,
.content ol {
  padding-left: 1.35rem;
}

.content li + li {
  margin-top: 0.5rem;
}

.content section > h2 {
  position: relative;
  padding-top: 10px;
  margin-top: 6px;
  font: 800 clamp(1.45rem, 1.1rem + 1vw, 2rem)/1.15 "Avenir Next", "Trebuchet MS", sans-serif;
  letter-spacing: -0.02em;
  color: var(--felt-900);
}

.content section > h2::after {
  content: "";
  display: block;
  width: 72px;
  height: 4px;
  margin-top: 10px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--gold-500), var(--felt-500));
}

.content section > h3,
.content section h3 {
  font: 800 1.15rem/1.25 "Avenir Next", "Trebuchet MS", sans-serif;
  color: var(--felt-900);
}

.content section h4 {
  font: 800 1rem/1.3 "Avenir Next", "Trebuchet MS", sans-serif;
  color: var(--ink-900);
}

/* ===== Page Header ===== */
.page-header {
  position: relative;
  overflow: hidden;
  padding: 30px clamp(22px, 4vw, 38px);
  margin: 0;
  border-radius: var(--radius-xl);
  background:
    radial-gradient(circle at top right, rgba(223, 186, 103, 0.32), transparent 30%),
    linear-gradient(135deg, #153f30 0%, #0f6f55 48%, #1a5d99 100%);
  color: var(--white);
  box-shadow: var(--shadow-md);
}

.page-header::before,
.page-header::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
}

.page-header::before {
  width: 180px;
  height: 180px;
  right: -40px;
  top: -60px;
}

.page-header::after {
  width: 90px;
  height: 90px;
  right: 90px;
  bottom: -32px;
}

.page-header h1 {
  position: relative;
  z-index: 1;
  font: 800 clamp(2rem, 1.55rem + 1.6vw, 3.2rem)/1.05 "Avenir Next", "Trebuchet MS", sans-serif;
  letter-spacing: -0.03em;
  color: var(--white);
}

.page-header p {
  position: relative;
  z-index: 1;
  max-width: 60ch;
  margin-top: 14px;
  color: rgba(255, 255, 255, 0.92);
  font-size: 1.02rem;
}

.page-header a {
  color: var(--white);
  text-decoration-color: rgba(255, 255, 255, 0.7);
  font-weight: 700;
}

.page-header a:hover,
.page-header a:focus {
  color: var(--cream-100);
}

.hero-eyebrow {
  position: relative;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  width: fit-content;
  margin-bottom: 14px;
  padding: 7px 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.12);
  color: rgba(255, 255, 255, 0.94);
  font: 800 0.75rem/1 "Avenir Next", "Trebuchet MS", sans-serif;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.hero-actions {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 20px;
}

.button-link,
.button-link:visited {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 18px;
  border-radius: 999px;
  text-decoration: none;
  font: 800 0.92rem/1 "Avenir Next", "Trebuchet MS", sans-serif;
  transition: transform 160ms ease, background-color 160ms ease, color 160ms ease, box-shadow 160ms ease;
}

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

.button-link-primary,
.button-link-primary:visited {
  background: var(--white);
  color: var(--felt-900);
  box-shadow: 0 14px 30px rgba(6, 19, 15, 0.2);
}

.button-link-primary:hover,
.button-link-primary:focus {
  background: var(--gold-400);
  color: #1c2414;
}

.button-link-secondary,
.button-link-secondary:visited {
  background: rgba(255, 255, 255, 0.08);
  color: var(--white);
  border: 1px solid rgba(255, 255, 255, 0.18);
}

.button-link-secondary:hover,
.button-link-secondary:focus {
  background: rgba(255, 255, 255, 0.16);
  color: var(--white);
}

.page-header .button-link-primary,
.page-header .button-link-primary:visited,
.page-header .button-link-primary:hover,
.page-header .button-link-primary:focus {
  color: var(--felt-900);
  text-decoration: none;
}

.page-header .button-link-secondary,
.page-header .button-link-secondary:visited,
.page-header .button-link-secondary:hover,
.page-header .button-link-secondary:focus {
  color: var(--white);
  text-decoration: none;
}

.stats-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.stat-card {
  padding: 18px 18px 16px;
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.84);
  border: 1px solid var(--line-soft);
  box-shadow: var(--shadow-md);
}

.stat-card strong {
  display: block;
  margin-bottom: 6px;
  color: var(--felt-900);
  font: 800 1.1rem/1.1 "Avenir Next", "Trebuchet MS", sans-serif;
}

.stat-card span {
  color: var(--ink-700);
  font-size: 0.95rem;
}

/* ===== Boxes ===== */
.info-box,
.legacy-box,
.notice-box,
.video-container,
.content section > ul,
.content section > ol {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.info-box,
.legacy-box,
.notice-box,
.video-container {
  padding: 24px clamp(20px, 3vw, 30px);
}

.info-box {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.94), rgba(236, 248, 255, 0.92));
  border: 1px solid rgba(26, 111, 85, 0.1);
}

.info-box h3:not(:first-child) {
  margin-top: 18px;
}

.caromstats-highlight {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(circle at top right, rgba(223, 186, 103, 0.22), transparent 24%),
    linear-gradient(135deg, rgba(7, 45, 34, 0.98), rgba(17, 79, 61, 0.96));
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--white);
}

.caromstats-highlight::after {
  content: "";
  position: absolute;
  inset: auto -60px -60px auto;
  width: 180px;
  height: 180px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.06);
}

.caromstats-highlight h2,
.caromstats-highlight h3,
.caromstats-highlight p,
.caromstats-highlight li {
  position: relative;
  z-index: 1;
  color: var(--white);
}

.caromstats-highlight h2 {
  font-size: clamp(1.6rem, 1.3rem + 1vw, 2.2rem);
  line-height: 1.1;
}

.caromstats-highlight h3 {
  color: var(--gold-400);
}

.caromstats-highlight .intro-text {
  font-size: 1.05rem;
}

.caromstats-highlight .cta-link {
  margin-top: 10px;
}

.caromstats-highlight .cta-link a,
.caromstats-highlight .cta-link a:visited {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 18px;
  border-radius: 999px;
  background: var(--white);
  color: var(--felt-900);
  text-decoration: none;
  font-weight: 800;
}

.caromstats-highlight .cta-link a:hover,
.caromstats-highlight .cta-link a:focus {
  background: var(--gold-400);
  color: #162217;
}

.legacy-heading {
  color: var(--ink-900);
}

.legacy-note {
  color: var(--ink-500);
}

.legacy-box {
  background: linear-gradient(180deg, rgba(244, 239, 231, 0.95), rgba(255, 255, 255, 0.92));
  border: 1px solid rgba(19, 35, 29, 0.08);
  border-left: 0;
  position: relative;
}

.legacy-box::before {
  content: "Legacy";
  display: inline-flex;
  align-items: center;
  margin-bottom: 16px;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(19, 35, 29, 0.08);
  color: var(--ink-700);
  font: 700 0.74rem/1 "Avenir Next", "Trebuchet MS", sans-serif;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.legacy-box h4:not(:first-child) {
  margin-top: 18px;
}

.legacy-box p {
  margin-top: 8px;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
}

.feature-card {
  padding: 22px;
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid var(--line-soft);
  box-shadow: var(--shadow-md);
}

.feature-card h3 {
  margin-bottom: 12px;
}

.feature-card ul,
.feature-card ol {
  padding-left: 1.2rem;
}

.download-panel,
.cta-panel {
  padding: 24px clamp(20px, 3vw, 30px);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
}

.download-panel {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.92), rgba(236, 248, 255, 0.92));
  border: 1px solid rgba(17, 79, 61, 0.1);
}

.download-panel h3,
.cta-panel h3 {
  margin-bottom: 10px;
}

.download-panel ul,
.cta-panel ul {
  margin-top: 12px;
  padding-left: 1.2rem;
}

.cta-panel {
  background: linear-gradient(135deg, rgba(12, 61, 48, 0.96), rgba(18, 83, 64, 0.94));
  color: var(--white);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.cta-panel p,
.cta-panel li,
.cta-panel h3 {
  color: var(--white);
}

.cta-panel .hero-actions {
  margin-top: 16px;
}

.notice-box {
  position: relative;
  padding-left: 76px;
  background: linear-gradient(180deg, #fff8e7, #fff3ce);
  border: 1px solid rgba(199, 157, 65, 0.28);
}

.notice-box::before {
  content: "!";
  position: absolute;
  left: 24px;
  top: 24px;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, var(--gold-500), var(--gold-400));
  color: #2d2108;
  font: 900 1.15rem/1 "Avenir Next", "Trebuchet MS", sans-serif;
}

.notice-box h3 {
  color: #725312;
  margin-bottom: 8px;
}

/* ===== Lists and cards ===== */
.content section > ul,
.content section > ol {
  padding: 22px 24px 22px 44px;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid var(--line-soft);
}

.content section > ul li::marker,
.content section > ol li::marker {
  color: var(--felt-700);
}

.download-list {
  padding-left: 25px;
}

/* ===== Video ===== */
video {
  display: block;
  width: 100%;
  height: auto;
  margin-top: 16px;
  border-radius: var(--radius-md);
  background: #0d1f19;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.08);
}

.video-container {
  margin: 0;
  background: rgba(255, 255, 255, 0.8);
  border: 1px solid var(--line-soft);
}

.video-title {
  font-weight: 700;
  margin-bottom: 0.5rem;
}

/* ===== Footer ===== */
footer {
  min-height: 10px;
  margin-top: 8px;
  clear: both;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(17, 79, 61, 0.25), rgba(199, 157, 65, 0.22));
}

/* ===== Utilities ===== */
.fltrt {
  float: right;
  margin-left: 8px;
}

.fltlft {
  float: left;
  margin-right: 8px;
}

.clearfloat {
  clear: both;
  height: 0;
  font-size: 1px;
  line-height: 0;
}

.icon-inline {
  vertical-align: middle;
  filter: drop-shadow(0 8px 14px rgba(0, 0, 0, 0.12));
}

.text-large {
  font-size: 1.1em;
}

.text-small {
  font-size: 0.95em;
}

.news-date {
  color: var(--ink-500);
  font-style: italic;
  margin-bottom: 1rem;
}

/* ===== Responsive ===== */
@media screen and (max-width: 1100px) {
  body {
    padding: 10px;
  }

  .container {
    grid-template-columns: 1fr;
    padding: 14px;
  }

  .sidebar1 {
    position: static;
  }
}

@media screen and (max-width: 768px) {
  body {
    padding: 0;
  }

  .container {
    gap: 14px;
    padding: 14px;
    border-radius: 0;
    width: 100%;
  }

  .sidebar1,
  .content,
  aside {
    width: auto;
    float: none;
  }

  .content section {
    padding: 0;
  }

  .content {
    padding: 4px 2px 8px;
  }

  ul.nav {
    gap: 6px;
  }

  ul.nav a,
  ul.nav a:visited {
    width: auto;
    min-height: 44px;
  }

  .page-header,
  .info-box,
  .legacy-box,
  .notice-box,
  .video-container,
  .content section > ul,
  .content section > ol {
    border-radius: 18px;
  }

  .stats-strip,
  .feature-grid {
    grid-template-columns: 1fr;
  }

  .notice-box {
    padding-left: 24px;
    padding-top: 70px;
  }

  .notice-box::before {
    top: 20px;
    left: 20px;
  }
}