/* =========================================================================
   Design tokens — bright, icy-blue frosted-glass theme
   ========================================================================= */
:root {
  /* Base sky background (the ambient-bg gradient overrides this visually,
     this is just the fallback/flash-guard color) */
  --bg-0: #bfe4fb;
  --bg-1: #d8f1fb;
  --bg-2: #f2fafd;

  /* Frosted glass surfaces */
  --glass: rgba(255, 255, 255, 0.55);
  --glass-strong: rgba(255, 255, 255, 0.78);
  --border: rgba(255, 255, 255, 0.75);
  --border-strong: rgba(255, 255, 255, 0.95);

  /* Text */
  --text: #1c2b4a;
  --muted: #55618a;
  --muted-2: #7c88ad;

  /* Accents */
  --blue: #3358e0;      /* royal blue — primary accent */
  --cyan: #5b8def;      /* soft sky blue — links, secondary accent */
  --violet: #6366f1;    /* indigo — glow accents */
  --pink: #d98a1e;      /* warm amber/gold — rating & paid accent */

  --grad-primary: linear-gradient(135deg, var(--blue) 0%, var(--cyan) 100%);
  --grad-accent: linear-gradient(135deg, var(--violet) 0%, var(--pink) 100%);
  --grad-full: linear-gradient(120deg, var(--blue), var(--cyan), var(--violet), var(--pink));

  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;

  --shadow-glow: 0 10px 40px rgba(51, 88, 224, 0.16);
  --shadow-panel: 0 8px 32px rgba(31, 58, 110, 0.12);
  --inset-highlight: inset 0 1px 0 rgba(255, 255, 255, 0.85);

  --font-display: "Space Grotesk", "Sora", system-ui, sans-serif;
  --font-body: "Inter", system-ui, -apple-system, sans-serif;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg-1);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.5;
  min-height: 100vh;
  overflow-x: hidden;
}

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

::selection { background: rgba(99, 102, 241, 0.28); }

/* Focus visibility for accessibility */
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 2px;
}

/* =========================================================================
   Ambient background — bright sky gradient + soft floating glow orbs
   ========================================================================= */
.ambient-bg {
  position: fixed;
  inset: 0;
  z-index: -1;
  overflow: hidden;
  background:
    radial-gradient(ellipse 90% 55% at 12% -8%, #f4fbff 0%, transparent 60%),
    radial-gradient(ellipse 80% 50% at 100% 0%, #e3f4fd 0%, transparent 55%),
    linear-gradient(165deg, #bfe4fb 0%, #cdeefb 45%, #eaf7fd 100%);
}
/* soft cloud-like glow along the bottom, echoing a bright horizon */
.ambient-bg::before,
.ambient-bg::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -12%;
  width: 70%;
  height: 40%;
  background: #ffffff;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.55;
  transform: translateX(-50%);
}
.ambient-bg::after {
  width: 45%;
  height: 26%;
  bottom: -6%;
  left: 20%;
  background: #dce9ff;
  opacity: 0.5;
}

.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.32;
  will-change: transform;
}
.orb-1 { width: 520px; height: 520px; background: #ffffff; top: -140px; left: -100px; animation: float-a 22s ease-in-out infinite; opacity: 0.55; }
.orb-2 { width: 460px; height: 460px; background: var(--violet); bottom: -140px; right: -80px; animation: float-b 26s ease-in-out infinite; opacity: 0.16; }
.orb-3 { width: 360px; height: 360px; background: var(--pink); top: 45%; left: 60%; animation: float-c 30s ease-in-out infinite; opacity: 0.12; }
.orb-4 { width: 340px; height: 340px; background: var(--cyan); top: 60%; left: 6%; animation: float-a 20s ease-in-out infinite reverse; opacity: 0.28; }

@keyframes float-a { 0%,100% { transform: translate(0,0) scale(1); } 50% { transform: translate(60px, 40px) scale(1.08); } }
@keyframes float-b { 0%,100% { transform: translate(0,0) scale(1); } 50% { transform: translate(-50px, -60px) scale(0.95); } }
@keyframes float-c { 0%,100% { transform: translate(0,0); } 50% { transform: translate(-40px, 50px); } }

/* =========================================================================
   Nav
   ========================================================================= */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px clamp(20px, 4vw, 56px);
  background: rgba(255, 255, 255, 0.55);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(51, 88, 224, 0.1);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.6);
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.15rem;
  color: var(--text);
}
.brand-mark {
  width: 30px; height: 30px;
  background: var(--grad-primary);
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.95rem;
  color: #fff;
  box-shadow: 0 4px 14px rgba(51, 88, 224, 0.35);
}
.nav-links { display: flex; gap: 28px; align-items: center; }
.nav-links a {
  font-size: 0.92rem;
  color: var(--muted);
  transition: color 0.2s ease;
  position: relative;
}
.nav-links a:hover, .nav-links a.active { color: var(--text); }
.nav-links a.active::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -18px;
  height: 2px;
  background: var(--grad-primary);
}
.nav-cta {
  padding: 9px 18px;
  border-radius: 999px;
  background: var(--grad-primary);
  color: #ffffff;
  font-weight: 600;
  font-size: 0.88rem;
  box-shadow: 0 6px 18px rgba(51, 88, 224, 0.3);
}
.nav-toggle { display: none; }

@media (max-width: 780px) {
  .nav-links { display: none; }
  .nav-toggle { display: block; }
}

/* =========================================================================
   Glass panels & cards
   ========================================================================= */
.glass-panel {
  background: var(--glass);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  box-shadow: var(--shadow-panel), var(--inset-highlight);
}

.section { padding: 72px clamp(20px, 4vw, 56px); max-width: 1320px; margin: 0 auto; }
.section-head { display: flex; align-items: baseline; justify-content: space-between; margin-bottom: 28px; gap: 16px; flex-wrap: wrap; }
.section-head h2 { font-family: var(--font-display); font-size: clamp(1.4rem, 2.4vw, 1.9rem); margin: 0; font-weight: 600; color: var(--text); }
.section-head p { color: var(--muted); margin: 4px 0 0; font-size: 0.95rem; }
.see-all { color: var(--blue); font-size: 0.88rem; white-space: nowrap; }

/* =========================================================================
   Hero
   ========================================================================= */
.hero {
  display: grid;
  grid-template-columns: 1.3fr 0.7fr;
  gap: 40px;
  align-items: center;
  padding: 64px clamp(20px, 4vw, 56px) 40px;
  max-width: 1320px;
  margin: 0 auto;
}
.hero-copy h1 {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  line-height: 1.08;
  margin: 0 0 18px;
  font-weight: 700;
  color: var(--text);
}
.hero-copy .gradient-word {
  background: var(--grad-full);
  background-size: 300% 300%;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: gradient-shift 8s ease infinite;
}
@keyframes gradient-shift { 0%,100% { background-position: 0% 50%; } 50% { background-position: 100% 50%; } }

.hero-copy p.lede { color: var(--muted); font-size: 1.05rem; max-width: 46ch; margin: 0 0 28px; }

.search-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 6px 6px 18px;
  max-width: 460px;
  margin-bottom: 20px;
}
.search-bar input {
  flex: 1;
  background: transparent;
  border: none;
  color: var(--text);
  font-size: 0.95rem;
  padding: 10px 0;
}
.search-bar input::placeholder { color: var(--muted-2); }
.search-bar input:focus { outline: none; }
.search-bar button {
  padding: 10px 18px;
  border: none;
  border-radius: 999px;
  background: var(--grad-primary);
  color: #ffffff;
  font-weight: 600;
  cursor: pointer;
  font-size: 0.88rem;
}
.hero-stats { display: flex; gap: 28px; }
.hero-stats div strong { display: block; font-family: var(--font-display); font-size: 1.4rem; color: var(--text); }
.hero-stats div span { color: var(--muted-2); font-size: 0.8rem; }

.sword-stage {
  position: relative;
  height: clamp(220px, 26vw, 320px);
  border-radius: var(--radius-lg);
  overflow: hidden;
  padding: 10px;
}
#sword-canvas { width: 100%; height: 100%; display: block; cursor: pointer; }
.sword-hint {
  position: absolute;
  bottom: 14px; left: 0; right: 0;
  text-align: center;
  color: var(--muted-2);
  font-size: 0.74rem;
  letter-spacing: 0.02em;
  pointer-events: none;
}

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

/* =========================================================================
   Category chips
   ========================================================================= */
.chip-row { display: flex; gap: 10px; flex-wrap: wrap; }
.chip {
  padding: 9px 16px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--glass);
  font-size: 0.85rem;
  color: var(--muted);
  cursor: pointer;
  transition: border-color 0.2s ease, color 0.2s ease, background 0.2s ease;
}
.chip:hover { color: var(--text); border-color: var(--border-strong); }
.chip.active { color: #ffffff; background: var(--grad-primary); border-color: transparent; font-weight: 600; }

/* =========================================================================
   Tool cards
   ========================================================================= */
.tool-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
  gap: 20px;
}
.tool-grid.bento { grid-template-columns: repeat(4, 1fr); grid-auto-rows: 200px; }
.tool-grid.bento .tool-card.large { grid-column: span 2; grid-row: span 2; }
@media (max-width: 900px) {
  .tool-grid.bento { grid-template-columns: repeat(2, 1fr); }
  .tool-grid.bento .tool-card.large { grid-column: span 2; grid-row: span 1; }
}

.tool-card {
  position: relative;
  padding: 22px;
  border-radius: var(--radius-md);
  background: var(--glass);
  border: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  overflow: hidden;
  transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
  min-height: 210px;
  box-shadow: var(--shadow-panel), var(--inset-highlight);
}
.tool-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-strong);
  box-shadow: 0 16px 44px rgba(51, 88, 224, 0.18), var(--inset-highlight);
}
.tool-card .glow {
  position: absolute; inset: 0;
  background: radial-gradient(circle at 30% 20%, rgba(99, 102, 241, 0.16), transparent 60%);
  opacity: 0; transition: opacity 0.3s ease;
}
.tool-card:hover .glow { opacity: 1; }
.tool-card .logo { font-size: 1.8rem; margin-bottom: 12px; }
.tool-card h3 { margin: 0 0 6px; font-family: var(--font-display); font-size: 1.05rem; color: var(--text); }
.tool-card p { margin: 0; color: var(--muted); font-size: 0.85rem; }
.tool-card .meta-row { display: flex; gap: 8px; margin-top: 14px; align-items: center; }
.badge { padding: 3px 10px; border-radius: 999px; font-size: 0.7rem; font-weight: 600; letter-spacing: 0.02em; }
.badge.free { background: rgba(51, 88, 224, 0.12); color: var(--blue); }
.badge.paid { background: rgba(217, 138, 30, 0.16); color: #a5670e; }
.badge.category { background: rgba(51, 88, 224, 0.08); color: var(--muted); }

/* =========================================================================
   Buttons
   ========================================================================= */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 22px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 0.92rem;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.btn:active { transform: scale(0.97); }
.btn-primary { background: var(--grad-primary); color: #ffffff; }
.btn-primary:hover { box-shadow: 0 8px 30px rgba(91, 141, 239, 0.4); }
.btn-accent { background: var(--grad-accent); color: #ffffff; }
.btn-accent:hover { box-shadow: 0 8px 30px rgba(217, 138, 30, 0.4); }
.btn-ghost { background: var(--glass); border-color: var(--border); color: var(--text); }
.btn-ghost:hover { border-color: var(--border-strong); }
.btn[disabled] { opacity: 0.5; cursor: not-allowed; }

/* =========================================================================
   Filters/sort bar (tools page)
   ========================================================================= */
.filter-bar {
  display: flex; flex-wrap: wrap; gap: 14px; align-items: center;
  padding: 16px 20px;
  margin-bottom: 28px;
}
.filter-bar select, .filter-bar input[type="search"] {
  background: rgba(255, 255, 255, 0.65);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 9px 12px;
  border-radius: 8px;
  font-size: 0.88rem;
}
.filter-bar .spacer { flex: 1; }

/* =========================================================================
   Tool detail page
   ========================================================================= */
.tool-hero {
  display: grid;
  grid-template-columns: 120px 1fr auto;
  gap: 24px;
  align-items: center;
  padding: 32px;
  margin-bottom: 32px;
}
.tool-hero .logo-lg {
  width: 100px; height: 100px;
  border-radius: 20px;
  background: var(--grad-primary);
  display: flex; align-items: center; justify-content: center;
  font-size: 2.6rem;
  box-shadow: 0 10px 30px rgba(51, 88, 224, 0.3);
}
.tool-hero h1 { font-family: var(--font-display); margin: 0 0 8px; font-size: 1.8rem; color: var(--text); }
.tool-hero .tags { display: flex; gap: 8px; align-items: center; }
@media (max-width: 720px) {
  .tool-hero { grid-template-columns: 1fr; text-align: center; }
  .tool-hero .logo-lg { margin: 0 auto; }
  .tool-hero .tags { justify-content: center; }
}

.tool-body { display: grid; grid-template-columns: 2fr 1fr; gap: 32px; }
@media (max-width: 900px) { .tool-body { grid-template-columns: 1fr; } }

.detail-block { padding: 26px; margin-bottom: 24px; }
.detail-block h2 { font-family: var(--font-display); font-size: 1.15rem; margin: 0 0 14px; color: var(--text); }
.detail-block ul { margin: 0; padding-left: 20px; color: var(--muted); }
.detail-block li { margin-bottom: 6px; }
.detail-block ol { padding-left: 20px; color: var(--muted); }
.detail-block ol li { margin-bottom: 10px; }

.video-embed { position: relative; width: 100%; padding-top: 56.25%; border-radius: var(--radius-md); overflow: hidden; }
.video-embed iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }

.req-table { width: 100%; border-collapse: collapse; font-size: 0.88rem; }
.req-table td { padding: 8px 0; border-bottom: 1px solid rgba(51, 88, 224, 0.12); color: var(--muted); }
.req-table td:first-child { color: var(--text); width: 90px; }

.changelog-item { padding: 12px 0; border-bottom: 1px solid rgba(51, 88, 224, 0.12); }
.changelog-item:last-child { border-bottom: none; }
.changelog-item .v { font-family: var(--font-display); color: var(--blue); font-size: 0.9rem; }
.changelog-item .date { color: var(--muted-2); font-size: 0.78rem; margin-left: 8px; }
.changelog-item p { margin: 6px 0 0; color: var(--muted); font-size: 0.88rem; }

.sidebar-card { padding: 24px; margin-bottom: 20px; }
.sidebar-card h3 { margin: 0 0 12px; font-size: 0.95rem; font-family: var(--font-display); color: var(--text); }
.sidebar-card .price { font-family: var(--font-display); font-size: 1.6rem; margin-bottom: 14px; color: var(--text); }
.sidebar-card a.doc-link { display: block; color: var(--blue); font-size: 0.85rem; margin-top: 8px; }

/* =========================================================================
   About / Support
   ========================================================================= */
.about-hero { text-align: center; padding: 80px 20px 40px; max-width: 720px; margin: 0 auto; }
.about-hero h1 { font-family: var(--font-display); font-size: clamp(1.8rem, 4vw, 2.6rem); margin-bottom: 14px; color: var(--text); }
.about-hero p { color: var(--muted); font-size: 1.05rem; }
.value-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px,1fr)); gap: 20px; }
.value-card { padding: 26px; }
.value-card .icon { font-size: 1.6rem; margin-bottom: 10px; }
.value-card h3 { margin: 0 0 8px; font-family: var(--font-display); font-size: 1.02rem; color: var(--text); }
.value-card p { margin: 0; color: var(--muted); font-size: 0.88rem; }

.support-wrap { max-width: 640px; margin: 0 auto; text-align: center; padding: 60px 20px; }
.support-wrap h1 { font-family: var(--font-display); font-size: 2rem; margin-bottom: 12px; color: var(--text); }
.support-wrap p { color: var(--muted); margin-bottom: 32px; }
.bmc-container { display: flex; justify-content: center; padding: 30px; }

/* =========================================================================
   Footer
   ========================================================================= */
footer {
  border-top: 1px solid rgba(51, 88, 224, 0.12);
  padding: 32px clamp(20px,4vw,56px);
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px;
  color: var(--muted-2);
  font-size: 0.85rem;
}
footer a { color: var(--blue); }

/* Loading skeleton */
.skeleton { background: linear-gradient(90deg, var(--glass) 25%, var(--glass-strong) 37%, var(--glass) 63%); background-size: 400% 100%; animation: skeleton 1.4s ease infinite; border-radius: var(--radius-md); }
@keyframes skeleton { 0% { background-position: 100% 50%; } 100% { background-position: 0 50%; } }

.empty-note { color: var(--muted); text-align: center; padding: 40px; }