/* ==============================================
   CAUSAL GAMES — DESIGN SYSTEM
   causal-games.com / GitHub Pages
============================================== */

:root {
  /* Colors */
  --bg:          #fef8ee;
  --surface:     #fffdf8;
  --surface-2:   #fff9f0;
  --ink:         #1a1a2e;
  --ink-soft:    #4a5568;
  --ink-muted:   #8896a3;
  --line:        #e8d9c4;
  --accent-a:    #f95928;   /* orange */
  --accent-a-dk: #d44115;
  --accent-b:    #0eada3;   /* teal */
  --accent-c:    #f9c623;   /* gold */

  /* Typography */
  --font-body: "Outfit", "Segoe UI", system-ui, sans-serif;
  --font-head: "Space Grotesk", "Segoe UI", system-ui, sans-serif;

  /* Sizing */
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(26, 26, 46, 0.06);
  --shadow-md: 0 8px 24px rgba(26, 26, 46, 0.10);
  --shadow-lg: 0 20px 48px rgba(26, 26, 46, 0.14);
}

/* ---- RESET & BASE ---- */
*,
*::before,
*::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background:
    radial-gradient(ellipse at 0% 0%,   rgba(249, 89,  40, .12) 0%, transparent 55%),
    radial-gradient(ellipse at 100% 8%,  rgba(14, 173, 163, .14) 0%, transparent 50%),
    radial-gradient(ellipse at 50% 96%,  rgba(249, 198, 35, .20) 0%, transparent 50%),
    var(--bg);
  line-height: 1.60;
  overflow-x: hidden;
}

/* Noise texture overlay */
.noise {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9999;
  opacity: .055;
  background-image: radial-gradient(rgba(0, 0, 0, .7) .5px, transparent .5px);
  background-size: 3px 3px;
}

/* ---- LAYOUT ---- */
.container {
  width: min(1120px, 92vw);
  margin-inline: auto;
}

/* ---- TYPOGRAPHY ---- */
h1, h2, h3, h4 {
  font-family: var(--font-head);
  line-height: 1.15;
  margin: 0 0 .7em;
}

h1 { font-size: clamp(2.2rem, 5.5vw, 4.2rem); }
h2 { font-size: clamp(1.8rem, 3.5vw, 3rem); }
h3 { font-size: clamp(1.3rem, 2.5vw, 1.8rem); }
h4 { font-size: clamp(1.05rem, 2vw, 1.3rem); }

p { margin-top: 0; }

em {
  font-style: italic;
  color: var(--accent-a);
}

.eyebrow {
  display: block;
  text-transform: uppercase;
  letter-spacing: .12em;
  font-size: .72rem;
  font-weight: 700;
  color: var(--ink-muted);
  margin: 0 0 12px;
}

/* ---- BUTTONS ---- */
.btn {
  display: inline-block;
  padding: 12px 26px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 700;
  font-size: .97rem;
  transition: transform .15s ease, box-shadow .15s ease;
  cursor: pointer;
  border: none;
}

.btn:hover { transform: translateY(-2px); }

.btn-primary {
  background: linear-gradient(135deg, var(--accent-a), var(--accent-a-dk));
  color: #fff;
  box-shadow: 0 4px 16px rgba(249, 89, 40, .35);
}

.btn-primary:hover {
  box-shadow: 0 6px 24px rgba(249, 89, 40, .50);
}

.btn-ghost {
  background: transparent;
  color: var(--ink);
  border: 2px solid var(--line);
}

.btn-ghost:hover { border-color: var(--ink-soft); }

/* =============================================
   HEADER
============================================= */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid transparent;
  transition: border-color .3s, background .3s, backdrop-filter .3s;
}

.site-header.scrolled {
  border-color: var(--line);
  background: rgba(254, 248, 238, .88);
  backdrop-filter: blur(12px);
}

.header-inner {
  display: flex;
  align-items: center;
  padding-top: 14px;
  padding-bottom: 14px;
  gap: 16px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  text-decoration: none;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.brand img {
  width: 40px;
  height: 40px;
  object-fit: contain;
}

.nav {
  display: flex;
  gap: 26px;
  margin-left: auto;
}

.nav a {
  text-decoration: none;
  color: var(--ink-soft);
  font-weight: 600;
  font-size: .95rem;
  transition: color .15s;
}

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

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  padding: 4px;
  background: none;
  border: none;
  cursor: pointer;
  margin-left: auto;
}

.nav-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--ink);
  border-radius: 2px;
  transition: transform .25s, opacity .25s;
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}
.nav-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* =============================================
   HERO
============================================= */
.hero {
  padding: 80px 0 40px;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 48px;
  align-items: center;
  margin-bottom: 48px;
}

.hero-text h1 {
  max-width: 16ch;
  margin-bottom: 18px;
}

.hero-copy {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--ink-soft);
  max-width: 56ch;
  margin-bottom: 28px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* Magnetic animation visual */
.hero-visual {
  display: flex;
  align-items: center;
  justify-content: center;
}

.magnet-demo {
  position: relative;
  width: 300px;
  height: 300px;
  flex-shrink: 0;
}

.arena-ring {
  position: absolute;
  inset: 16px;
  border-radius: 50%;
  border: 3px dashed var(--line);
  animation: ringPulse 3s ease-in-out infinite;
}

@keyframes ringPulse {
  0%, 100% { transform: scale(1);    opacity: .7; }
  50%       { transform: scale(1.04); opacity: 1;  }
}

.stone {
  position: absolute;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  box-shadow: 0 4px 16px rgba(249, 89, 40, .35);
}

.s1 { background: radial-gradient(circle at 35% 35%, #f9c623, #f95928 70%); animation: orbit1 6.0s linear infinite; }
.s2 { background: radial-gradient(circle at 35% 35%, #f9c623, #c0321a 70%); animation: orbit2 6.0s linear infinite; }
.s3 { background: radial-gradient(circle at 35% 35%, #ffe68a, #f95928 70%); animation: orbit3 8.0s linear infinite; }
.s4 { background: radial-gradient(circle at 35% 35%, #f9c623, #f95928 70%); animation: orbit4 7.0s linear infinite reverse; }
.s5 { background: radial-gradient(circle at 35% 35%, #ffe68a, #d44115 70%); animation: orbit5 9.0s linear infinite; }

@keyframes orbit1 {
  0%   { transform: translate(calc(-50% + 90px), -50%); }
  25%  { transform: translate(-50%, calc(-50% + 90px)); }
  50%  { transform: translate(calc(-50% - 90px), -50%); }
  75%  { transform: translate(-50%, calc(-50% - 90px)); }
  100% { transform: translate(calc(-50% + 90px), -50%); }
}
@keyframes orbit2 {
  0%   { transform: translate(calc(-50% - 68px), calc(-50% - 58px)); }
  33%  { transform: translate(calc(-50% + 68px), calc(-50% + 58px)); }
  66%  { transform: translate(calc(-50% + 18px), calc(-50% - 78px)); }
  100% { transform: translate(calc(-50% - 68px), calc(-50% - 58px)); }
}
@keyframes orbit3 {
  0%   { transform: translate(calc(-50% + 38px), calc(-50% + 78px)); }
  50%  { transform: translate(calc(-50% - 38px), calc(-50% - 78px)); }
  100% { transform: translate(calc(-50% + 38px), calc(-50% + 78px)); }
}
@keyframes orbit4 {
  0%   { transform: translate(calc(-50% - 78px), calc(-50% + 28px)); }
  50%  { transform: translate(calc(-50% + 78px), calc(-50% - 28px)); }
  100% { transform: translate(calc(-50% - 78px), calc(-50% + 28px)); }
}
@keyframes orbit5 {
  0%   { transform: translate(-50%, calc(-50% - 92px)); }
  50%  { transform: translate(-50%, calc(-50% + 92px)); }
  100% { transform: translate(-50%, calc(-50% - 92px)); }
}

/* Hero stats bar */
.hero-stats {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.hero-stats li {
  background: var(--surface);
  padding: 20px 22px;
  display: grid;
  gap: 4px;
}

.hero-stats strong {
  font-family: var(--font-head);
  font-size: 1rem;
}

.hero-stats span {
  font-size: .84rem;
  color: var(--ink-soft);
}

/* =============================================
   SECTION COMMONS
============================================= */
.section-header {
  text-align: center;
  max-width: 52ch;
  margin: 0 auto 48px;
}

.section-about,
.section-philosophy,
.section-games,
.section-targets {
  padding: 80px 0;
}

.section-philosophy {
  background: var(--surface);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.section-targets {
  background: var(--ink);
  color: #fff;
}

.section-targets .eyebrow { color: var(--accent-c); }
.section-targets h2       { color: #fff; }

/* =============================================
   ABOUT
============================================= */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}

.about-text p {
  color: var(--ink-soft);
  font-size: 1.05rem;
}

.values-list ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 20px;
}

.values-list li {
  display: flex;
  gap: 14px;
  align-items: flex-start;
}

.value-icon {
  font-size: 1.5rem;
  flex-shrink: 0;
  margin-top: 2px;
}

.values-list strong {
  display: block;
  font-family: var(--font-head);
  margin-bottom: 4px;
}

.values-list p {
  font-size: .9rem;
  color: var(--ink-soft);
  margin: 0;
}

/* =============================================
   PHILOSOPHY CARDS
============================================= */
.philosophy-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.phil-card {
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 28px;
  box-shadow: var(--shadow-sm);
  transition: transform .2s ease, box-shadow .2s ease;
}

.phil-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.phil-num {
  font-family: var(--font-head);
  font-size: 2.8rem;
  font-weight: 700;
  color: var(--line);
  line-height: 1;
  margin-bottom: 14px;
}

.phil-card h3 {
  font-size: 1.05rem;
  margin-bottom: 10px;
}

.phil-card p {
  font-size: .9rem;
  color: var(--ink-soft);
  margin: 0;
}

/* =============================================
   FEATURED GAME
============================================= */
.featured-game {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  padding: 40px;
  box-shadow: var(--shadow-lg);
  margin-bottom: 28px;
}

.featured-game-body {
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 48px;
}

.game-status { color: var(--accent-b); }

.featured-game-content p {
  color: var(--ink-soft);
}

.feature-list {
  list-style: none;
  padding: 0;
  margin: 20px 0 0;
  display: grid;
  gap: 8px;
}

.feature-list li {
  padding-left: 22px;
  position: relative;
  font-size: .95rem;
  color: var(--ink-soft);
}

.feature-list li::before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--accent-a);
}

/* Working titles sidebar */
.working-titles {
  background: linear-gradient(165deg, #fffdf9, #fff5df);
  border: 1.5px dashed #d9ba86;
  border-radius: var(--radius-lg);
  padding: 28px;
}

.working-titles h4 { margin-bottom: 20px; }

.title-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 10px;
  counter-reset: titlecounter;
}

.title-list li {
  counter-increment: titlecounter;
  display: flex;
  flex-direction: column;
  padding: 12px 12px 12px 46px;
  position: relative;
  border-radius: var(--radius-sm);
  background: #fff;
  border: 1px solid #eee;
  box-shadow: var(--shadow-sm);
}

.title-list li::before {
  content: counter(titlecounter);
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-head);
  font-size: .78rem;
  font-weight: 700;
  width: 22px;
  height: 22px;
  background: var(--accent-a);
  color: #fff;
  border-radius: 50%;
  display: grid;
  place-items: center;
}

.title-name {
  font-weight: 700;
  font-family: var(--font-head);
  color: var(--ink);
}

.title-desc {
  font-size: .78rem;
  color: var(--ink-soft);
  margin-top: 2px;
}

/* Coming soon teasers */
.coming-soon-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.coming-soon-card {
  background: var(--surface);
  border: 1px dashed var(--line);
  border-radius: var(--radius-md);
  padding: 24px;
}

.game-badge {
  display: inline-block;
  font-size: .72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--accent-b);
  margin: 0 0 6px;
}

.coming-soon-card h4 { margin-bottom: 8px; }

.coming-soon-card p {
  font-size: .9rem;
  color: var(--ink-soft);
  margin: 0;
}

/* =============================================
   QUALITY TARGETS
============================================= */
.targets-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
  background: rgba(255, 255, 255, .08);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.target-item {
  background: rgba(255, 255, 255, .05);
  padding: 34px 24px;
  display: grid;
  gap: 8px;
  text-align: center;
  transition: background .2s;
}

.target-item:hover {
  background: rgba(255, 255, 255, .10);
}

.target-value {
  display: block;
  font-family: var(--font-head);
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  font-weight: 700;
  color: var(--accent-c);
}

.target-label {
  font-size: .84rem;
  color: rgba(255, 255, 255, .6);
}

/* =============================================
   FOOTER / CONTACT
============================================= */
.site-footer {
  padding: 80px 0 52px;
  border-top: 1px solid var(--line);
}

.footer-inner {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 64px;
  align-items: center;
}

.footer-cta p {
  color: var(--ink-soft);
  margin-bottom: 24px;
  max-width: 52ch;
}

.footer-brand {
  text-align: center;
}

.footer-brand img {
  display: block;
  margin: 0 auto 16px;
  opacity: .65;
}

.small {
  font-size: .85rem;
  color: var(--ink-soft);
  line-height: 1.6;
}

/* =============================================
   REVEAL ANIMATION
============================================= */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .65s cubic-bezier(.22, 1, .36, 1),
              transform .65s cubic-bezier(.22, 1, .36, 1);
}

.reveal.visible {
  opacity: 1;
  transform: none;
}

/* =============================================
   RESPONSIVE
============================================= */
@media (max-width: 960px) {
  .hero-inner {
    grid-template-columns: 1fr;
  }

  .hero-visual {
    display: none;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .philosophy-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .featured-game-body {
    grid-template-columns: 1fr;
  }

  .targets-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-inner {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .footer-cta p { max-width: none; }
  .footer-brand img { margin: 16px auto 12px; }
}

@media (max-width: 640px) {
  .hero { padding: 52px 0 32px; }

  .section-about,
  .section-philosophy,
  .section-games,
  .section-targets { padding: 56px 0; }

  .hero-stats {
    grid-template-columns: repeat(2, 1fr);
  }

  .philosophy-grid {
    grid-template-columns: 1fr;
  }

  .coming-soon-grid {
    grid-template-columns: 1fr;
  }

  .targets-grid {
    grid-template-columns: 1fr;
  }

  .featured-game {
    padding: 24px;
  }

  .nav {
    display: none;
    flex-direction: column;
    gap: 16px;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(254, 248, 238, .97);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--line);
    padding: 20px 4vw;
  }

  .nav.open { display: flex; }
  .nav-toggle { display: flex; }
}