/* ============================================================
   Mint Client — dark only
   ============================================================ */

:root{
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  --bg: #0a0a0d;
  --bg-elev: #101014;
  --surface: #131318;
  --surface-2: #1a1a21;
  --border: rgba(255,255,255,0.07);
  --border-strong: rgba(255,255,255,0.14);
  --text: #f2f1f6;
  --text-dim: #9d9ba8;
  --text-faint: #56545f;
  --accent: #2dffa8;
  --accent-2: #b8ffe1;
  --accent-contrast: #06110c;
  --glow: rgba(45,255,168,0.4);
  --shadow-color: rgba(0,0,0,0.6);

  --radius-sm: 8px;
  --radius: 14px;
  --radius-lg: 22px;

  --ease: cubic-bezier(.22,1,.36,1);
  --ease-back: cubic-bezier(.34,1.56,.64,1);
}

@media (prefers-reduced-motion: reduce){
  *{ animation-duration:.001ms!important; animation-iteration-count:1!important; transition-duration:.001ms!important; }
}

*{ box-sizing:border-box; margin:0; padding:0; }
html{ scroll-behavior: auto; }

body{
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a{ color:inherit; text-decoration:none; }
ul{ list-style:none; }
img{ display:block; max-width:100%; }

::selection{ background:var(--accent); color:var(--accent-contrast); }
:focus-visible{ outline:2px solid var(--accent); outline-offset:3px; border-radius:4px; }

.noise{
  position:fixed; inset:0; pointer-events:none; z-index:2;
  opacity:.04; mix-blend-mode:overlay;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ============================================================
   NAV
   ============================================================ */

.nav{
  position:sticky; top:0; z-index:50;
  background: color-mix(in srgb, var(--bg) 80%, transparent);
  backdrop-filter: blur(20px) saturate(160%);
  border-bottom: 1px solid var(--border);
}

.nav-inner{
  max-width:1180px; margin:0 auto;
  padding:14px 28px;
  display:flex; align-items:center; justify-content:space-between; gap:24px;
}

.brand{ display:flex; align-items:center; gap:10px; }
.brand-mark{ width:32px; height:32px; display:flex; align-items:center; justify-content:center; }
.brand-mark img{
  width:100%; height:100%; object-fit:contain;
  filter:drop-shadow(0 0 10px var(--glow));
}
.brand-mark.small{ width:24px; height:24px; }
.brand-word{ font-family:var(--font-display); font-weight:700; font-size:17px; letter-spacing:0.02em; }

.nav-links{ display:flex; gap:32px; }
.nav-links a{ font-size:14px; color:var(--text-dim); font-weight:500; transition:color .25s var(--ease); }
.nav-links a:hover{ color:var(--text); }

.nav-actions{ display:flex; align-items:center; gap:14px; }

/* ============================================================
   BUTTONS
   ============================================================ */

.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  font-family:var(--font-body); font-weight:600; font-size:14.5px;
  padding:12px 22px; border-radius:999px;
  border:1px solid transparent; cursor:pointer; white-space:nowrap;
  transition: transform .35s var(--ease), box-shadow .35s var(--ease), background-color .3s, border-color .3s, color .3s;
}
.btn svg{ width:17px; height:17px; }

.btn-primary{
  position:relative; overflow:hidden; isolation:isolate;
  background: linear-gradient(120deg, var(--accent) 0%, #eafff6 50%, var(--accent) 100%);
  background-size:280% auto;
  background-position:left center;
  color: var(--accent-contrast);
  box-shadow: 0 8px 28px -8px var(--glow);
  transition: transform .35s var(--ease), box-shadow .35s var(--ease), background-position .8s var(--ease), border-color .3s, color .3s;
}
.btn-shine{
  position:absolute; top:0; left:-80%;
  width:55%; height:100%;
  background:linear-gradient(105deg, transparent, rgba(255,255,255,.7), transparent);
  transform:skewX(-20deg);
  opacity:0;
  pointer-events:none; z-index:1;
}
.btn-primary:hover{
  transform:none;
  background-position:right center;
  box-shadow:0 8px 28px -8px var(--glow);
}
.btn-primary.is-shining .btn-shine{
  opacity:1;
  animation:btn-shine .9s var(--ease) forwards;
}
@keyframes btn-shine{
  from{ left:-80%; }
  to{ left:140%; }
}
.btn-primary:active{ transform:translateY(0); }

.btn-ghost{ background:transparent; color:var(--text); border-color:var(--border-strong); }
.btn-ghost:hover{ background:var(--surface-2); border-color:rgba(255,255,255,0.24); }

.btn-small{ padding:9px 18px; font-size:13.5px; }
.btn-lg{ padding:15px 30px; font-size:15.5px; width:100%; }

/* ============================================================
   SCROLL REVEAL — hardware-accelerated & responsive
   ============================================================ */

[data-reveal]{
  opacity: 0;
  transform: translate3d(0, 36px, 0);
  will-change: opacity, transform;
  transition:
    opacity   0.7s cubic-bezier(0.16, 1, 0.3, 1),
    transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}
[data-reveal="bottom"] { transform: translate3d(0, 36px, 0); }
[data-reveal="left"]   { transform: translate3d(-36px, 0, 0); }
[data-reveal="right"]  { transform: translate3d(36px, 0, 0); }
[data-reveal="top"]    { transform: translate3d(0, -30px, 0); }
[data-reveal="zoom"]   { transform: scale3d(0.94, 0.94, 1) translate3d(0, 24px, 0); }

[data-reveal].is-visible{
  opacity: 1;
  transform: translate3d(0, 0, 0);
}



/* ============================================================
   HERO
   ============================================================ */

.hero{
  position:relative;
  padding:96px 28px 88px;
  text-align:center;
  overflow:hidden;
}

.hero-field{
  position:absolute; inset:-20% -10% auto -10%; height:900px;
  background:
    radial-gradient(48% 60% at 50% 8%, var(--glow), transparent 70%),
    radial-gradient(30% 30% at 15% 40%, color-mix(in srgb, var(--accent-2) 22%, transparent), transparent 70%);
  filter:blur(12px);
  pointer-events:none; z-index:0;
}

.hero-inner{ position:relative; z-index:1; max-width:720px; margin:0 auto; }

/* Hero entrance animations */
.hero-emblem{
  position:relative; width:220px; height:220px;
  margin:0 auto 12px;
  display:flex; align-items:center; justify-content:center;
  transform-style:preserve-3d; will-change:transform;
  animation: hero-emblem-in 1s cubic-bezier(0.16, 1, 0.3, 1) both;
}
.hero-logo{
  width:65%; height:65%; object-fit:contain;
  filter:drop-shadow(0 0 25px var(--glow));
  position:relative; z-index:2;
  animation:float 8s ease-in-out infinite;
}
.ring{ position:absolute; border-radius:50%; border:1px solid var(--border-strong); }
.ring-outer{
  inset:0; animation:spin 26s linear infinite;
  border-color:transparent;
  background:conic-gradient(from 0deg, transparent 0deg, var(--accent) 40deg, transparent 90deg, transparent 260deg, var(--accent-2) 300deg, transparent 340deg);
  -webkit-mask:radial-gradient(farthest-side, transparent calc(100% - 1.5px), #000 calc(100% - 1.5px));
  mask:radial-gradient(farthest-side, transparent calc(100% - 1.5px), #000 calc(100% - 1.5px));
  opacity:.85;
}
.ring-inner{ inset:26px; animation:spin 19s linear infinite reverse; opacity:.45; }
.ring-dashed{ inset:46px; border-style:dashed; border-color:var(--border); animation:spin 40s linear infinite; }

@keyframes spin{ to{ transform:rotate(360deg); } }
@keyframes float{ 0%,100%{ transform:translateY(0); } 50%{ transform:translateY(-9px); } }

@keyframes hero-emblem-in{
  from{ opacity: 0; transform: scale3d(0.82, 0.82, 1) translateY(24px); }
  to  { opacity: 1; transform: scale3d(1, 1, 1) translateY(0); }
}
@keyframes hero-fade-up{
  from{ opacity: 0; transform: translate3d(0, 24px, 0); }
  to  { opacity: 1; transform: translate3d(0, 0, 0); }
}

.eyebrow{
  display:inline-flex; align-items:center; gap:8px;
  font-family:var(--font-mono); font-size:11.5px; letter-spacing:0.12em;
  color:var(--text-dim); margin-bottom:20px;
  animation: hero-fade-up 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.1s both;
}
.eyebrow .dot{
  width:6px; height:6px; border-radius:50%;
  background:var(--accent); box-shadow:0 0 8px var(--accent);
  animation:pulse 2.5s ease-in-out infinite;
}
@keyframes pulse{ 0%,100%{ opacity:1; } 50%{ opacity:.3; } }

.hero-title{
  font-family:var(--font-display); font-weight:700;
  font-size:clamp(38px,6.5vw,68px);
  line-height:1.04; letter-spacing:-0.02em;
  margin-bottom:22px;
  animation: hero-fade-up 0.85s cubic-bezier(0.16, 1, 0.3, 1) 0.2s both;
}
.grad{
  background:linear-gradient(120deg, var(--accent), var(--accent-2));
  -webkit-background-clip:text; background-clip:text; color:transparent;
}

.hero-sub{
  font-size:17px; color:var(--text-dim);
  max-width:540px; margin:0 auto 34px;
  line-height:1.7;
  animation: hero-fade-up 0.85s cubic-bezier(0.16, 1, 0.3, 1) 0.3s both;
}

.hero-cta{
  display:flex; align-items:center; justify-content:center; gap:14px; flex-wrap:wrap;
  animation: hero-fade-up 0.85s cubic-bezier(0.16, 1, 0.3, 1) 0.4s both;
}

/* bypass badges */
.bypass-badges{
  display:flex; flex-wrap:wrap; justify-content:center; gap:8px;
  margin-top:32px;
  animation: hero-fade-up 0.85s cubic-bezier(0.16, 1, 0.3, 1) 0.5s both;
}
.bypass-badge{
  font-family:var(--font-mono); font-size:11px; letter-spacing:0.08em;
  padding:5px 12px; border-radius:999px;
  background:var(--surface-2); border:1px solid var(--border-strong);
  color:var(--text-faint);
  transition: transform .25s var(--ease), border-color .25s, background-color .25s, color .25s;
}
.bypass-badge:hover{
  transform: translateY(-2px);
  border-color: var(--accent);
  color: var(--text);
}
.bypass-badge.active{ color:var(--accent); border-color:color-mix(in srgb, var(--accent) 35%, transparent); background:color-mix(in srgb, var(--accent) 10%, var(--surface)); }

/* ============================================================
   SECTIONS
   ============================================================ */

.section{ max-width:1180px; margin:0 auto; padding:120px 28px; }
.section-alt{
  max-width:none; background:var(--surface);
  border-top:1px solid var(--border); border-bottom:1px solid var(--border);
}
.section-alt > *{ max-width:1180px; margin-left:auto; margin-right:auto; }

.section-head{ margin-bottom:52px; }
.kicker{ font-family:var(--font-mono); font-size:12px; letter-spacing:0.12em; color:var(--accent); margin-bottom:14px; }
.section-head h2{
  font-family:var(--font-display); font-weight:700;
  font-size:clamp(28px,4vw,42px); letter-spacing:-0.01em; line-height:1.15;
  max-width:560px;
}

/* ============================================================
   PANELS
   ============================================================ */

.panel, .spec-panel, .download-panel{
  position:relative;
  background:var(--surface); border:1px solid var(--border);
  border-radius:var(--radius);
  transition: border-color .3s cubic-bezier(0.16, 1, 0.3, 1),
              transform .35s cubic-bezier(0.16, 1, 0.3, 1),
              box-shadow .35s cubic-bezier(0.16, 1, 0.3, 1),
              background-color .3s;
  overflow:hidden;
}

.panel::before{
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: radial-gradient(400px circle at var(--mouse-x, 50%) var(--mouse-y, 50%), rgba(45, 255, 168, 0.09), transparent 60%);
  opacity: 0;
  pointer-events: none;
  transition: opacity .4s cubic-bezier(0.16, 1, 0.3, 1);
  z-index: 1;
}
.panel:hover::before{
  opacity: 1;
}


.panel.is-visible, .spec-panel.is-visible, .download-panel.is-visible{
  transition: border-color .3s cubic-bezier(0.16, 1, 0.3, 1),
              transform .35s cubic-bezier(0.16, 1, 0.3, 1),
              box-shadow .35s cubic-bezier(0.16, 1, 0.3, 1),
              background-color .3s;
}

.panel-ripple{
  position:absolute; border-radius:50%;
  background:radial-gradient(circle, var(--accent) 0%, transparent 70%);
  opacity:0; transform:scale(0); pointer-events:none;
  width:200px; height:200px; margin-left:-100px; margin-top:-100px;
  animation:ripple-out .9s var(--ease) forwards;
}
@keyframes ripple-out{
  0%  { transform:scale(0);   opacity:0.22; }
  60% { transform:scale(2.8); opacity:0.07; }
  100%{ transform:scale(4.5); opacity:0; }
}

.panel:active{ transform:scale3d(0.985, 0.985, 1)!important; }

.corner{ position:absolute; width:14px; height:14px; opacity:0; transition:opacity .3s var(--ease); pointer-events:none; }
.corner.tl{ top:-1px; left:-1px; border-top:2px solid var(--accent); border-left:2px solid var(--accent); border-top-left-radius:6px; }
.corner.tr{ top:-1px; right:-1px; border-top:2px solid var(--accent); border-right:2px solid var(--accent); border-top-right-radius:6px; }
.corner.bl{ bottom:-1px; left:-1px; border-bottom:2px solid var(--accent); border-left:2px solid var(--accent); border-bottom-left-radius:6px; }
.corner.br{ bottom:-1px; right:-1px; border-bottom:2px solid var(--accent); border-right:2px solid var(--accent); border-bottom-right-radius:6px; }
.panel:hover .corner, .spec-panel .corner, .download-panel .corner{ opacity:1; }

.feature-grid{
  display:grid; grid-template-columns:repeat(3,1fr);
  grid-template-rows:auto auto; gap:18px;
}
.panel{ padding:30px; }
.panel-lg{ grid-column:span 2; grid-row:span 2; padding:38px; display:flex; flex-direction:column; }
.feature-grid .panel:nth-child(2){ grid-column:3; grid-row:1; }
.feature-grid .panel:nth-child(3){ grid-column:3; grid-row:2; }
.feature-grid .panel:nth-child(4){ grid-column:span 3; }

.panel:hover{
  transform:translate3d(0, -6px, 0);
  box-shadow:0 24px 50px -16px var(--shadow-color), 0 0 24px -6px var(--glow);
  border-color:var(--border-strong);
}
/* tilt sterowany przez JS — szybka reakcja na ruch myszki */
.panel.is-tilting{
  transition:transform .12s ease-out, border-color .3s var(--ease), box-shadow .35s var(--ease), background-color .3s;
}
.panel:hover .panel-icon{
  background:color-mix(in srgb, var(--accent) 16%, var(--surface-2));
  transform:rotate(6deg) scale(1.1);
}


.panel-icon{
  width:44px; height:44px; border-radius:10px;
  display:flex; align-items:center; justify-content:center;
  background:var(--surface-2); color:var(--accent);
  margin-bottom:20px; border:1px solid var(--border);
  transition:background .5s var(--ease), transform .5s var(--ease-back);
}
.panel-icon svg{ width:22px; height:22px; }
.panel-lg .panel-icon{ width:52px; height:52px; }
.panel-lg .panel-icon svg{ width:26px; height:26px; }

.panel h3{ font-family:var(--font-display); font-size:19px; font-weight:600; margin-bottom:10px; }
.panel-lg h3{ font-size:24px; }
.panel p{ color:var(--text-dim); font-size:14.5px; line-height:1.65; }

.panel-stat{ margin-top:auto; padding-top:24px; display:flex; align-items:baseline; gap:10px; font-family:var(--font-mono); }
.panel-stat span{ font-size:12px; color:var(--text-faint); letter-spacing:0.08em; }
.panel-stat strong{ font-size:26px; color:var(--accent); }

/* module tags */
.module-tags{ display:flex; flex-wrap:wrap; gap:6px; margin-top:18px; }
.module-tag{
  font-family:var(--font-mono); font-size:10.5px; letter-spacing:0.06em;
  padding:3px 10px; border-radius:999px;
  background:color-mix(in srgb, var(--accent) 12%, var(--surface));
  border:1px solid color-mix(in srgb, var(--accent) 30%, transparent);
  color:var(--accent);
}

/* ============================================================
   SPEC PANEL
   ============================================================ */

.spec-panel{ padding:8px 0; overflow:hidden; }
.spec-row{
  display:grid; grid-template-columns:1fr repeat(2,140px);
  padding:17px 30px; font-size:14.5px;
  border-bottom:1px solid var(--border);
}
.spec-row:last-of-type{ border-bottom:none; }
.spec-row-head{ font-family:var(--font-mono); font-size:11.5px; letter-spacing:0.1em; color:var(--text-faint); }
.spec-row span:nth-child(2){ color:var(--text-dim); font-family:var(--font-mono); }
.spec-row span.highlight{ color:var(--accent); font-family:var(--font-mono); font-weight:600; }
.spec-footnote{ padding:18px 30px 22px; font-size:12.5px; color:var(--text-faint); }

/* ============================================================
   DOWNLOAD PANEL
   ============================================================ */

.download-panel{
  padding:46px; display:grid; grid-template-columns:1fr auto;
  align-items:center; row-gap:26px; column-gap:26px;
}
.download-left{ display:flex; align-items:center; gap:18px; grid-column:1/-1; }
.download-glyph{
  width:56px; height:56px; border-radius:14px;
  background:var(--surface-2); border:1px solid var(--border);
  display:flex; align-items:center; justify-content:center; padding:10px;
}
.download-glyph img{
  width:100%; height:100%; object-fit:contain;
  mix-blend-mode: screen;
}
.download-left h3{ font-family:var(--font-display); font-size:20px; font-weight:600; margin-bottom:4px; }
.mono-tag{ font-family:var(--font-mono); font-size:12.5px; color:var(--text-faint); }

.os-tabs{ display:flex; gap:8px; background:var(--surface-2); padding:5px; border-radius:999px; border:1px solid var(--border); }
.os-tab{
  display:flex; align-items:center; gap:8px; background:none; border:none; cursor:pointer;
  padding:9px 18px; border-radius:999px; font-family:var(--font-body); font-size:13.5px;
  font-weight:500; color:var(--text-dim); transition:background .3s var(--ease), color .3s var(--ease);
}
.os-tab svg{ width:16px; height:16px; }
.os-tab.is-active{ background:var(--bg-elev); color:var(--text); box-shadow:0 2px 8px var(--shadow-color); }
.os-tab.is-disabled{ cursor:not-allowed; opacity:.5; }
.soon-tag{
  font-family:var(--font-mono); font-size:9.5px; letter-spacing:0.06em;
  padding:2px 6px; border-radius:999px;
  background:var(--surface-2); border:1px solid var(--border); color:var(--text-faint);
}
.download-panel .btn-lg{ grid-column:1/-1; }
.download-note{ grid-column:1/-1; font-size:12.5px; color:var(--text-faint); text-align:center; }

/* ============================================================
   FAQ
   ============================================================ */

.faq-list{ display:flex; flex-direction:column; gap:12px; max-width:760px; }
.faq-item{
  background:var(--surface); border:1px solid var(--border);
  border-radius:var(--radius-sm); overflow:hidden;
  transition:border-color .4s var(--ease), box-shadow .4s var(--ease);
}
.faq-item.is-open{ border-color:var(--border-strong); box-shadow:0 8px 28px -12px var(--shadow-color); }

.faq-trigger{
  width:100%; background:none; border:none; cursor:pointer;
  padding:20px 22px; display:flex; align-items:center;
  justify-content:space-between; gap:16px; text-align:left;
  font-family:var(--font-display); font-weight:600; font-size:15.5px;
  color:var(--text); transition:color .3s var(--ease);
}
.faq-trigger:hover{ color:var(--accent); }

.faq-chevron{
  flex-shrink:0; width:24px; height:24px; border-radius:50%;
  display:flex; align-items:center; justify-content:center;
  color:var(--accent);
  background:color-mix(in srgb, var(--accent) 12%, transparent);
  transition:transform .55s var(--ease), background .3s;
}
.faq-chevron svg{ width:14px; height:14px; }
.faq-item.is-open .faq-chevron{
  transform:rotate(45deg);
  background:color-mix(in srgb, var(--accent) 24%, transparent);
}

.faq-body{ max-height:0; overflow:hidden; transition:max-height .65s var(--ease); }
.faq-body-inner{ padding:0 22px 22px; color:var(--text-dim); font-size:14.5px; line-height:1.7; }
.faq-item.is-open .faq-body{ max-height:500px; }
.faq-empty{ color:var(--text-faint); font-size:14px; padding:28px 0; text-align:center; font-family:var(--font-mono); }

/* ============================================================
   DISCORD BUTTON
   ============================================================ */

.discord-btn{
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 26px;
  border-radius: 999px;
  background: linear-gradient(135deg, #5865f2, #4752c4);
  color: #ffffff;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 14.5px;
  letter-spacing: -0.01em;
  border: 1px solid rgba(255, 255, 255, 0.16);
  cursor: pointer;
  text-decoration: none;
  box-shadow: 0 6px 24px -4px rgba(88, 101, 242, 0.5), inset 0 1px 0 rgba(255, 255, 255, 0.28);
  transition: transform .3s cubic-bezier(0.16, 1, 0.3, 1),
              box-shadow .3s cubic-bezier(0.16, 1, 0.3, 1),
              background .3s;
}
.discord-btn:hover{
  transform: translateY(-2px);
  background: linear-gradient(135deg, #6775ff, #535ec8);
  box-shadow: 0 12px 32px -4px rgba(88, 101, 242, 0.7), 0 0 20px -2px rgba(88, 101, 242, 0.5), inset 0 1px 0 rgba(255, 255, 255, 0.4);
  border-color: rgba(255, 255, 255, 0.3);
}
.discord-btn:active{
  transform: translateY(0);
}
.discord-btn svg{
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  filter: drop-shadow(0 1px 2px rgba(0,0,0,0.25));
}

/* ============================================================
   FOOTER
   ============================================================ */

.footer{ border-top:1px solid var(--border); padding:56px 28px 40px; }
.footer-inner{ max-width:720px; margin:0 auto; text-align:center; display:flex; flex-direction:column; align-items:center; gap:20px; }
.footer-brand{ display:flex; align-items:center; gap:8px; }
.footer-legal{ font-size:12.5px; color:var(--text-faint); line-height:1.7; max-width:560px; }
.footer-links{ display:flex; gap:24px; flex-wrap:wrap; justify-content:center; }
.footer-links a{ font-size:13.5px; color:var(--text-dim); transition:color .25s; }
.footer-links a:hover{ color:var(--text); }
.footer-copy{ font-family:var(--font-mono); font-size:11.5px; color:var(--text-faint); }

/* ============================================================
   RESPONSIVE
   ============================================================ */

@media (max-width: 860px){
  .nav-links{ display:none; }
  .feature-grid{ grid-template-columns:1fr 1fr; }
  .panel-lg{ grid-column:span 2; }
  .feature-grid .panel:nth-child(2){ grid-column:1; grid-row:auto; }
  .feature-grid .panel:nth-child(3){ grid-column:2; grid-row:auto; }
  .feature-grid .panel:nth-child(4){ grid-column:span 2; }
  .spec-row{ grid-template-columns:1fr repeat(2,90px); padding:15px 18px; font-size:13px; }
  .download-panel{ padding:30px; grid-template-columns:1fr; }
  .os-tabs{ width:100%; justify-content:center; }
}

@media (max-width: 560px){
  .section{ padding:84px 20px; }
  .feature-grid{ grid-template-columns:1fr; }
  .panel-lg,.feature-grid .panel:nth-child(2),.feature-grid .panel:nth-child(3),.feature-grid .panel:nth-child(4){ grid-column:1; }
  .hero{ padding-top:64px; padding-bottom:60px; }
  .hero-emblem{ width:170px; height:170px; }
  .spec-row{ grid-template-columns:1fr repeat(2,70px); }
}

/* ============================================================
   CHANGELOG PAGE
   ============================================================ */

.cl-page-head{
  text-align: center;
  padding: 80px 24px 50px;
  max-width: 760px;
  margin: 0 auto;
}
.cl-page-head .kicker{
  display: inline-flex; align-items: center; gap: 8px;
  margin-bottom: 16px;
}
.cl-page-head h1{
  font-family: var(--font-display);
  font-size: clamp(34px, 5.5vw, 56px);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.1;
  margin-bottom: 18px;
}
.cl-page-head p{
  font-size: 16.5px;
  color: var(--text-dim);
  line-height: 1.7;
}

.cl-timeline{
  max-width: 820px;
  margin: 0 auto;
  padding: 0 24px 100px;
  display: flex;
  flex-direction: column;
  gap: 28px;
  position: relative;
}

@keyframes clFadeIn{
  from{ opacity: 0; transform: translateY(14px); }
  to{ opacity: 1; transform: translateY(0); }
}

.cl-item{
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 36px;
  overflow: hidden;
  animation: clFadeIn .4s cubic-bezier(0.16, 1, 0.3, 1) both;
  transition: border-color .35s var(--ease), box-shadow .35s var(--ease), transform .35s var(--ease);
}
.cl-item:hover{
  border-color: var(--border-strong);
  box-shadow: 0 20px 48px -14px var(--shadow-color);
}
.cl-item.is-latest{
  border-color: color-mix(in srgb, var(--accent) 40%, transparent);
  box-shadow: 0 0 32px -12px var(--glow);
}

.cl-item-top{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 18px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--border);
}
.cl-item-ver-box{
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}
.cl-ver{
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.04em;
}
.cl-badge-latest{
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.08em;
  padding: 3px 10px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #0a0a0d;
  font-weight: 700;
  box-shadow: 0 2px 10px -2px var(--glow);
}
.cl-tag{
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  padding: 3px 10px;
  border-radius: 999px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--text-dim);
}
.cl-date{
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-faint);
  letter-spacing: 0.06em;
}

.cl-body{
  color: var(--text-dim);
  font-size: 15px;
  line-height: 1.7;
}
.cl-body h3{
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  color: var(--text);
  margin: 18px 0 10px;
  letter-spacing: -0.01em;
}
.cl-body h3:first-child{ margin-top: 0; }
.cl-body h4{
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  color: var(--accent);
  margin: 16px 0 8px;
}
.cl-body h5{
  font-family: var(--font-mono);
  font-size: 13.5px;
  font-weight: 600;
  color: var(--text-faint);
  margin: 12px 0 6px;
}
.cl-body strong{
  color: var(--text);
  font-weight: 700;
}
.cl-body ul{
  margin: 10px 0 14px 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.cl-body li{
  position: relative;
  padding-left: 20px;
  line-height: 1.6;
}
.cl-body li::before{
  content: '▸';
  position: absolute;
  left: 0;
  top: 0;
  color: var(--accent);
  font-size: 14px;
}
.cl-body p{
  margin-bottom: 12px;
}

.cl-footer{
  margin-top: 24px;
  padding-top: 18px;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.cl-download-btn{
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 13.5px;
  padding: 9px 20px;
  border-radius: 999px;
  background: var(--surface-2);
  border: 1px solid var(--border-strong);
  color: var(--text);
  transition: transform .25s var(--ease), background .25s, border-color .25s, color .25s;
}
.cl-download-btn:hover{
  background: color-mix(in srgb, var(--accent) 15%, var(--surface-2));
  border-color: var(--accent);
  color: #fff;
  transform: translateY(-2px);
}
.cl-download-btn svg{ width: 15px; height: 15px; }

@media (max-width: 640px){
  .cl-item{ padding: 24px 20px; }
  .cl-item-top{ flex-direction: column; align-items: flex-start; gap: 10px; }
}