/* ============================================================
   MINIMAL — Sevdiyorov Muhammadali
   ============================================================ */
:root{
  --bg:#FAFAF7;
  --surface:#F2F2EC;
  --text:#141414;
  --muted:#6E6E66;
  --line:#E4E4DC;
  --accent:#077A4A;          /* darker green */
  --accent-soft:rgba(7,122,74,.10);
  --accent-border:rgba(7,122,74,.32);
  --font:'Nunito',system-ui,sans-serif;
  --max:1040px;
  --pad:2rem;
  /* cube sizing — single source of truth */
  --cube:170px;
  --cube-half:85px;
  --cube-gap:4px;
  --cube-pad:6px;
  --cube-radius:18px;
  --cube-inner-radius:14px;
}

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

/* ---------- copy protection ---------- */
html, body{
  -webkit-user-select:none;
  -moz-user-select:none;
  -ms-user-select:none;
  user-select:none;
  -webkit-touch-callout:none;
  -webkit-tap-highlight-color:transparent;
}

body{
  background:var(--bg);
  color:var(--text);
  font-family:var(--font);
  font-size:16px;
  line-height:1.65;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}

/* very light grain for warmth */
body::before{
  content:"";position:fixed;inset:0;z-index:0;pointer-events:none;opacity:.022;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='240' height='240'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/></filter><rect width='240' height='240' filter='url(%23n)'/></svg>");
  background-size:200px 200px;
}
main, header, footer{position:relative;z-index:1}

::selection{background:transparent}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px}

a{color:inherit}

.container{
  max-width:var(--max);
  margin:0 auto;
  padding:0 var(--pad);
}

/* ============================================================
   NAV
   ============================================================ */
.nav{
  position:sticky;top:0;z-index:10;
  background:rgba(250,250,247,.85);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.nav-inner{
  display:flex;align-items:center;justify-content:space-between;
  height:68px;gap:2rem;
}
.brand{
  font-size:.95rem;font-weight:800;text-decoration:none;
  letter-spacing:-.01em;white-space:nowrap;
}
.nav-links{display:flex;gap:2.2rem;list-style:none}
.nav-links a{
  font-size:.88rem;text-decoration:none;color:var(--muted);
  position:relative;transition:color .25s;font-weight:500;
}
.nav-links a::after{
  content:"";position:absolute;left:0;bottom:-3px;height:1px;width:100%;
  background:var(--accent);transform:scaleX(0);transform-origin:right;
  transition:transform .35s cubic-bezier(.7,0,.2,1);
}
.nav-links a:hover{color:var(--text)}
.nav-links a:hover::after{transform:scaleX(1);transform-origin:left}

.nav-right{display:flex;align-items:center;gap:1.6rem}

.nav-cta{
  font-size:.88rem;text-decoration:none;font-weight:600;
  display:inline-flex;align-items:center;gap:.35rem;
  padding-bottom:2px;
  border-bottom:1px solid var(--text);
  transition:color .25s,border-color .25s;
}
.nav-cta svg{transition:transform .3s cubic-bezier(.7,0,.2,1)}
.nav-cta:hover{color:var(--accent);border-color:var(--accent)}
.nav-cta:hover svg{transform:translate(2px,-2px)}

/* ============================================================
   HERO
   ============================================================ */
.hero{padding:6.5rem 0 7rem}

.hero h1{
  font-family:var(--font);
  font-weight:900;
  font-size:clamp(2.5rem,7.4vw,5rem);
  line-height:.98;
  letter-spacing:-.045em;
}
.hero h1 .line-2{
  color:var(--accent);
}

.hero-desc{
  margin-top:2.4rem;
  max-width:52ch;
  color:var(--muted);
  font-size:1.06rem;
}
.hero-desc strong{
  color:var(--text);
  font-weight:800;
}
.hero-desc .warm{
  color:var(--accent);
  font-weight:800;
}

.hero-links{
  margin-top:2.8rem;
  display:flex;gap:2.2rem;flex-wrap:wrap;
}
.hero-links a{
  text-decoration:none;
  font-size:.95rem;font-weight:600;
  display:inline-flex;align-items:center;gap:.35rem;
  padding-bottom:2px;
  border-bottom:1px solid var(--text);
  transition:color .25s,border-color .25s;
}
.hero-links a svg{transition:transform .3s cubic-bezier(.7,0,.2,1)}
.hero-links a:hover{color:var(--accent);border-color:var(--accent)}
.hero-links a:hover svg{transform:translate(2px,-2px)}

/* ---------- live typing terminal ---------- */
.hero-terminal{
  margin-top:3.2rem;
  border:1px solid var(--line);
  border-radius:16px;
  background:var(--surface);
  overflow:hidden;
  max-width:520px;
  font-family:ui-monospace,'SF Mono',Menlo,Consolas,monospace;
  font-size:.82rem;
  transition:border-color .3s;
}
.hero-terminal:hover{border-color:var(--accent-border)}
.term-bar{
  display:flex;align-items:center;gap:.4rem;
  padding:.55rem .8rem;
  border-bottom:1px solid var(--line);
  background:var(--bg);
}
.term-dot{width:8px;height:8px;border-radius:50%;background:var(--line)}
.term-dot:nth-child(1){background:#FF5F57}
.term-dot:nth-child(2){background:#FEBC2E}
.term-dot:nth-child(3){background:#28C840}
.term-name{
  margin-left:.4rem;font-size:.66rem;color:var(--muted);letter-spacing:.04em;
}
.term-body{
  padding:.9rem 1rem;
  min-height:108px;
  color:var(--text);
  line-height:1.75;
}
.term-line{display:flex;gap:.5rem;flex-wrap:wrap}
.term-prompt{color:var(--accent);font-weight:700;flex:none}
.term-cmd{color:var(--text)}
.term-out{color:var(--muted)}
.caret{
  display:inline-block;width:.5em;height:1em;background:var(--accent);
  vertical-align:-.12em;margin-left:2px;
  animation:blink 1.05s steps(1) infinite;
}
@keyframes blink{0%,55%{opacity:1}56%,100%{opacity:0}}

/* ============================================================
   SECTIONS
   ============================================================ */
.section{
  padding:5.5rem 0;
  border-top:1px solid var(--line);
}
.section-label{
  display:flex;align-items:baseline;gap:.85rem;
  font-size:.74rem;text-transform:uppercase;letter-spacing:.18em;
  color:var(--muted);margin-bottom:2.8rem;font-weight:600;
}
.section-label em{
  font-style:normal;font-weight:900;
  font-size:1.05rem;letter-spacing:-.02em;text-transform:none;
  color:var(--accent);
}

.section-grid{
  display:grid;grid-template-columns:1.15fr .85fr;
  gap:5rem;align-items:start;
}
.section h2{
  font-family:var(--font);
  font-weight:900;
  font-size:clamp(1.7rem,3.4vw,2.35rem);
  line-height:1.12;
  letter-spacing:-.035em;
  margin-bottom:1.8rem;
}
.section h2 .warm{color:var(--accent)}
.section p{
  color:var(--muted);
  margin-bottom:1.2rem;
  max-width:52ch;
}
.section p:last-child{margin-bottom:0}
.section p strong{
  color:var(--text);font-weight:800;
}

/* facts list */
.facts{list-style:none;font-size:.92rem}
.facts li{
  padding:.9rem 0;
  border-bottom:1px solid var(--line);
  display:flex;justify-content:space-between;gap:1.2rem;
  transition:padding-left .35s cubic-bezier(.7,0,.2,1);
}
.facts li:first-child{padding-top:0}
.facts li:last-child{border-bottom:none}
.facts li:hover{padding-left:.6rem}
.facts .label{
  color:var(--muted);flex:none;
  transition:color .3s;font-weight:600;
}
.facts li:hover .label{color:var(--accent)}
.facts .value{text-align:right;font-weight:500}

/* ============================================================
   STACK — index rows
   ============================================================ */
.index{border-top:1px solid var(--line)}
.index-row{
  display:grid;
  grid-template-columns:3.4rem 9rem 1fr;
  align-items:baseline;
  gap:1.5rem;
  padding:1.6rem 0;
  border-bottom:1px solid var(--line);
  transition:background .35s,padding .35s cubic-bezier(.7,0,.2,1);
  position:relative;
}
.index-row::before{
  content:"";position:absolute;left:-1rem;right:-1rem;top:0;bottom:0;
  background:var(--surface);opacity:0;
  transition:opacity .35s;
  z-index:-1;
}
.index-row:hover::before{opacity:1}
.index-row:hover{padding-left:.4rem}

.index-num{
  font-weight:900;font-size:1.05rem;color:var(--muted);
  letter-spacing:-.02em;
  transition:color .3s;
}
.index-row:hover .index-num{color:var(--accent)}

.index-cat{
  font-size:.78rem;text-transform:uppercase;letter-spacing:.16em;
  color:var(--muted);font-weight:700;
  transition:color .3s;
}
.index-row:hover .index-cat{color:var(--text)}

.index-items{
  font-size:1.02rem;
  display:flex;flex-wrap:wrap;gap:.4rem 1.4rem;
  font-weight:500;
}
.index-items span{
  transition:transform .3s cubic-bezier(.7,0,.2,1),color .3s;
  display:inline-block;
}
.index-row:hover .index-items span{transform:translateX(4px)}

/* ============================================================
   REMINDER — own category, before Beyond
   ============================================================ */
.reminder-section{
  padding:5.5rem 0;
  border-top:1px solid var(--line);
}
.quote-frame{
  border:1px solid var(--line);
  border-radius:16px;
  background:var(--surface);
  padding:1.5rem 1.8rem 1.6rem 2rem;
  position:relative;
  transition:border-color .35s,box-shadow .35s,transform .4s cubic-bezier(.7,0,.2,1);
  width:100%;
  max-width:560px;
  margin:0 auto;
}
.quote-frame:hover{
  border-color:var(--accent-border);
  box-shadow:0 14px 40px -26px var(--accent-border);
  transform:translateY(-2px);
}
.quote-frame::before{
  content:"";
  position:absolute;
  left:0; top:1.4rem; bottom:1.4rem;
  width:3px;
  background:var(--accent);
  border-radius:0 3px 3px 0;
}
.quote-frame .q-mark{
  font-size:2rem;
  font-weight:900;
  color:var(--accent);
  line-height:.6;
  display:block;
  margin-bottom:.55rem;
  letter-spacing:-.05em;
}
.quote-frame p{
  font-size:1.02rem;
  font-weight:700;
  color:var(--text);
  line-height:1.6;
  letter-spacing:-.01em;
  margin:0;
  text-align:center;
}
.quote-frame p span{
  display:block;
}
.quote-frame p span:last-child{
  color:var(--accent);
}

/* ============================================================
   BEYOND CODE
   ============================================================ */
.beyond-card{
  border:1px solid var(--line);
  border-radius:24px;
  background:var(--surface);
  overflow:hidden;
  display:grid;
  grid-template-columns:1.05fr .95fr;
  align-items:center;
  gap:0;
  transition:border-color .4s,box-shadow .4s;
}
.beyond-card:hover{
  border-color:var(--accent-border);
  box-shadow:0 20px 60px -30px var(--accent-border);
}

/* ---------- 3D RUBIK'S CUBE ---------- */
.cube-scene{
  position:relative;
  min-height:380px;
  display:grid;
  place-items:center;
  perspective:1000px;
  perspective-origin:50% 45%;
  background:radial-gradient(circle at 50% 44%,var(--accent-soft),transparent 68%);
  overflow:hidden;
}

.cube-scene::before{
  content:"";
  position:absolute;
  bottom:6%;
  left:50%;
  transform:translateX(-50%);
  width:240px;
  height:100px;
  background:radial-gradient(ellipse at center, var(--accent-soft), transparent 70%);
  filter:blur(10px);
  pointer-events:none;
}

.cube-shadow{
  position:absolute;
  bottom:60px;
  left:50%;
  transform:translateX(-50%);
  width:180px;
  height:26px;
  background:radial-gradient(ellipse at center, rgba(20,20,20,.28), transparent 72%);
  filter:blur(6px);
  z-index:0;
  pointer-events:none;
}

.cube{
  width:var(--cube);
  height:var(--cube);
  position:relative;
  transform-style:preserve-3d;
  animation:cubeSpin 14s linear infinite;
  z-index:1;
  will-change:transform;
}

/* ---------- SOLID BLACK CORE ---------- */
.cube-core{
  position:absolute;
  top:50%; left:50%;
  width:var(--cube);
  height:var(--cube);
  transform:translate(-50%,-50%);
  transform-style:preserve-3d;
  pointer-events:none;
}
.cube-core i{
  position:absolute;
  display:block;
  background:#111111;
  border-radius:var(--cube-inner-radius);
}
.cube-core i:nth-child(1){
  width:100%; height:100%; top:0; left:0;
  transform:translateZ(calc(var(--cube-half) - 1px));
}
.cube-core i:nth-child(2){
  width:100%; height:100%; top:0; left:0;
  transform:rotateY(180deg) translateZ(calc(var(--cube-half) - 1px));
}
.cube-core i:nth-child(3){
  width:100%; height:100%; top:0; left:0;
  transform:rotateY(90deg) translateZ(calc(var(--cube-half) - 1px));
}
.cube-core i:nth-child(4){
  width:100%; height:100%; top:0; left:0;
  transform:rotateY(-90deg) translateZ(calc(var(--cube-half) - 1px));
}
.cube-core i:nth-child(5){
  width:100%; height:100%; top:0; left:0;
  transform:rotateX(90deg) translateZ(calc(var(--cube-half) - 1px));
}
.cube-core i:nth-child(6){
  width:100%; height:100%; top:0; left:0;
  transform:rotateX(-90deg) translateZ(calc(var(--cube-half) - 1px));
}

.cube-face{
  position:absolute;
  inset:0;
  display:grid;
  grid-template-columns:repeat(3,1fr);
  grid-template-rows:repeat(3,1fr);
  gap:var(--cube-gap);
  padding:var(--cube-pad);
  background:#111111;
  border-radius:var(--cube-radius);
  box-shadow:0 4px 14px -8px rgba(0,0,0,.28);
  transform-style:preserve-3d;
  backface-visibility:visible;
  overflow:hidden;
}

.cube-face span{
  border-radius:6px;
  background-color:var(--c);
  background-image:linear-gradient(160deg, rgba(255,255,255,.10), rgba(255,255,255,0) 55%);
  box-shadow:inset 0 0 0 1px rgba(0,0,0,.14);
  filter:saturate(.92);
}

.cube-face.front  {transform:translateZ(var(--cube-half))}
.cube-face.back   {transform:rotateY(180deg) translateZ(var(--cube-half))}
.cube-face.right  {transform:rotateY(90deg)  translateZ(var(--cube-half))}
.cube-face.left   {transform:rotateY(-90deg) translateZ(var(--cube-half))}
.cube-face.top    {transform:rotateX(90deg)  translateZ(var(--cube-half))}
.cube-face.bottom {transform:rotateX(-90deg) translateZ(var(--cube-half))}

@keyframes cubeSpin{
  from{transform:rotateX(-20deg) rotateY(0deg)}
  to  {transform:rotateX(-20deg) rotateY(360deg)}
}

.beyond-text{
  padding:3rem 3rem 3rem 2.4rem;
}
.beyond-text h3{
  font-size:1.35rem;
  font-weight:900;
  letter-spacing:-.03em;
  margin-bottom:.7rem;
}
.beyond-text p{
  color:var(--muted);
  font-size:.98rem;
  max-width:34ch;
}
.beyond-text p strong{
  color:var(--text);
  font-weight:800;
}
.beyond-text .pb{
  display:inline-flex;
  align-items:baseline;
  gap:.45rem;
  margin-top:1.4rem;
  font-weight:900;
  font-size:1.9rem;
  letter-spacing:-.04em;
  color:var(--accent);
  line-height:1;
}
.beyond-text .pb small{
  font-size:.7rem;
  font-weight:700;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--muted);
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer{
  border-top:1px solid var(--line);
  padding:2.5rem 0;
}
.footer-inner{
  display:flex;justify-content:space-between;align-items:center;
  gap:1.5rem;flex-wrap:wrap;
  font-size:.88rem;color:var(--muted);
}
.footer-links{display:flex;gap:1.8rem;flex-wrap:wrap}
.footer-links a{
  text-decoration:none;color:var(--muted);font-weight:600;
  transition:color .25s;
}
.footer-links a:hover{color:var(--accent)}

/* ============================================================
   ENTRANCE
   ============================================================ */
@keyframes rise{
  from{opacity:0;transform:translateY(12px)}
  to{opacity:1;transform:none}
}
.hero h1,
.hero-desc,
.hero-links,
.hero-terminal{animation:rise .95s cubic-bezier(.2,.7,.3,1) backwards}
.hero h1{animation-delay:.05s}
.hero-desc{animation-delay:.2s}
.hero-links{animation-delay:.3s}
.hero-terminal{animation-delay:.4s}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width:860px){
  .section-grid{grid-template-columns:1fr;gap:2.8rem}
  .section h2{font-size:1.8rem}
  .beyond-card{grid-template-columns:1fr}
  .beyond-text{padding:1.4rem 1.75rem 2rem;text-align:center}
  .beyond-text p{margin:0 auto}
}
@media (max-width:820px){
  .nav-links{display:none}
  .nav-inner{height:60px}
  .hero{padding:4.5rem 0 5.5rem}
  .section{padding:3.8rem 0}
  .reminder-section{padding:3.8rem 0}
  .hero-links{gap:1.6rem}
  .index-row{grid-template-columns:2.4rem 1fr;gap:.6rem 1rem}
  .index-items{grid-column:1 / -1;margin-top:.4rem}
}
@media (max-width:480px){
  :root{
    --pad:1.4rem;
    --cube:130px;
    --cube-half:65px;
    --cube-gap:3px;
    --cube-pad:5px;
    --cube-radius:14px;
    --cube-inner-radius:11px;
  }
  .hero h1{font-size:2.3rem}
  .hero-desc{font-size:1rem}
  .footer-inner{flex-direction:column;align-items:flex-start;gap:.9rem}
  .cube-scene{min-height:300px}
  .cube-shadow{bottom:50px;width:140px}
  .hero-terminal{font-size:.74rem}
  .term-body{min-height:96px}
  .quote-frame{padding:1.1rem 1.3rem 1.2rem 1.5rem}
  .quote-frame p{font-size:.9rem}
  .quote-frame .q-mark{font-size:1.6rem}
}

/* ============================================================
   REDUCED MOTION
   ============================================================ */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.01ms!important;
    animation-iteration-count:1!important;
    transition-duration:.01ms!important;
  }
  html{scroll-behavior:auto}
  .cube{animation:none;transform:rotateX(-20deg) rotateY(-30deg)}
}