/* ════════════════════════════════════════════════════════════
   LOGOHUB — css.css  (dark theme — matches sample page)
   Background: #0b1326  |  Accent: #c0c1ff (indigo)
   Font: Nunito (friendly, readable for all ages)
   ════════════════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Nunito:wght@400;600;700;800;900&display=swap');

/* ── CSS variables ───────────────────────────────────────── */
:root {
  --bg          : #0b1326;
  --surface     : #131b2e;
  --surface-mid : #171f33;
  --surface-hi  : #222a3d;
  --border      : rgba(192, 193, 255, 0.12);
  --text        : #dae2fd;
  --text-dim    : #8890aa;
  --accent      : #c0c1ff;
  --accent-dark : #4d79ff;

  --squre-color    : #1a2240;
  --rectangle-color: #1e2035;
  --vertical-color  : #182038;
  --mini-color      : #1c2242;
}

/* ── Reset & base ────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }

html, body {
  margin: 0; padding: 0;
  background-color: var(--bg);
  color: var(--text);
  font-family: 'Nunito', 'Segoe UI', system-ui, sans-serif;
  min-height: 100vh;
}

/* ── HEADER ──────────────────────────────────────────────── */
header {
  width: 100%; height: 50px;
  margin: 0; padding: 0;
  position: fixed; z-index: 100;
  display: flex; align-items: center;
  justify-content: space-between;
  background: rgba(11, 19, 38, 0.80);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 2px 24px rgba(0, 0, 0, 0.40);
}

.header-title {
  margin: 0; padding: 0 4px 0 16px;
  font-size: 20px; font-weight: 900;
  letter-spacing: -0.5px;
  color: var(--accent);
  text-decoration: none;
  white-space: nowrap;
}

#header-icon {
  padding: 0; margin: 0;
  cursor: pointer; display: none;
}

/* ── Nav bar ──────────────────────────────────────────────── */
.header-bar {
  margin: 0; padding: 0;
  display: flex; align-items: center;
  list-style: none;
}
.header-bar a {
  margin: 0 12px; padding: 0;
  color: var(--text);
  font-size: 15px; font-weight: 700;
  text-decoration: none;
  transition: color 0.18s;
}
.header-bar a:hover { color: var(--accent); }
.header-bar a:last-child { margin-right: 16px; }

header li { margin: 0; padding: 0; list-style: none; }

/* ── Dropdown sub-menu ───────────────────────────────────── */
.header-sub-menu { display: none; padding: 0; margin: 0; }
.header-bar li:hover .header-sub-menu {
  display: block; position: absolute;
  top: 50px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 0 0 12px 12px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.40);
  padding: 4px 0;
}
.header-bar li:hover .header-sub-menu ul {
  margin: 0; padding: 4px 8px;
  list-style: none;
}
.header-bar li:hover .header-sub-menu ul li {
  height: 34px;
  display: flex; align-items: center;
  padding: 0 10px;
  font-size: 13px; font-weight: 700;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
.header-bar li:hover .header-sub-menu ul li:last-child { border-bottom: none; }

/* ── HOME / grid section ─────────────────────────────────── */
.home { margin: 0; padding: 0; display: grid; place-items: center; }

.containerbox {
  width: 100%; height: 100%;
  display: grid; place-items: center;
  scrollbar-width: none; scrollbar-color: transparent transparent;
}
.containerbox::-webkit-scrollbar { width: 0; }
.containerbox::-webkit-scrollbar-thumb { background: transparent; }

.mainscreen {
  width: 1399px; height: 732px;
  margin: 60px 0 0; padding: 3px;
  display: grid; place-items: center;
  position: relative; overflow: visible;
  background-color: rgba(192,193,255,0.10);
  border: 1px solid var(--border);
  border-radius: 4px;
  grid-template-columns: repeat(1, 1fr);
  grid-template-rows: repeat(1, 1fr);
  scrollbar-width: none;
}
.mainscreen::-webkit-scrollbar { width: 0; }
.mainscreen::-webkit-scrollbar-thumb { background: transparent; }

.screens {
  width: 1391px; height: 724px;
  margin: 0; padding: 0;
  display: grid; background: rgba(11,19,38,0.95);
  row-gap: 1px; column-gap: 1px;
  grid-template-columns: repeat(8, 173px);
  grid-template-rows:    repeat(5, 144px);
}

/* ── Set / slot system ───────────────────────────────────── */
.set {
  width: 173px; height: 144px;
  margin: 0; padding: 0;
  display: grid; background-color: var(--bg);
  row-gap: 1px; column-gap: 1px;
  grid-template-columns: repeat(6, 28px);
  grid-template-rows:    repeat(5, 28px);
}

.select1  { width:57px; height:57px; margin:0; padding:0; grid-column:1/3; grid-row:1/3; background-color:var(--squre-color);    background-size:cover; transition:transform 0.2s; cursor:pointer; background-position:center; }
.select2  { width:28px; height:28px; background-color:var(--mini-color);    background-size:cover; transition:transform 0.2s; cursor:pointer; background-position:center; }
.select3  { width:57px; height:57px; grid-column:4/6; grid-row:1/3;          background-color:var(--squre-color);    background-size:cover; transition:transform 0.2s; cursor:pointer; background-position:center; }
.select4  { width:28px; height:28px; background-color:var(--mini-color);    background-size:cover; transition:transform 0.2s; cursor:pointer; background-position:center; }
.select5  { width:28px; height:28px; background-color:var(--mini-color);    background-size:cover; transition:transform 0.2s; cursor:pointer; background-position:center; }
.select6  { width:28px; height:28px; background-color:var(--mini-color);    background-size:cover; transition:transform 0.2s; cursor:pointer; background-position:center; }
.select7  { width:28px; height:28px; background-color:var(--mini-color);    background-size:cover; transition:transform 0.2s; cursor:pointer; background-position:center; }
.select8  { width:57px; height:57px; grid-column:2/4; grid-row:3/5;          background-color:var(--squre-color);    background-size:cover; transition:transform 0.2s; cursor:pointer; background-position:center; }
.select9  { width:28px; height:28px; background-color:var(--mini-color);    background-size:cover; transition:transform 0.2s; cursor:pointer; background-position:center; }
.select10 { width:57px; height:57px; grid-column:5/7; grid-row:3/5;          background-color:var(--squre-color);    background-size:cover; transition:transform 0.2s; cursor:pointer; background-position:center; }
.select11 { width:28px; height:28px; background-color:var(--mini-color);    background-size:cover; transition:transform 0.2s; cursor:pointer; background-position:center; }
.select12 { width:28px; height:57px; grid-column:4/5; grid-row:4/6;          background-color:var(--vertical-color); background-size:cover; transition:transform 0.2s; cursor:pointer; background-position:center; }
.select13 { width:57px; height:28px; grid-column:1/3; grid-row:5/6;          background-color:var(--rectangle-color);background-size:cover; transition:transform 0.2s; cursor:pointer; background-position:center; }
.select14 { width:28px; height:28px; background-color:var(--mini-color);    background-size:cover; transition:transform 0.2s; cursor:pointer; background-position:center; }
.select15 { width:57px; height:28px; grid-column:5/7; grid-row:5/6;          background-color:var(--rectangle-color);background-size:cover; transition:transform 0.2s; cursor:pointer; background-position:center; }

.select1:hover  { transform: scale(1.5); }
.select2:hover  { transform: scale(2.0); }
.select3:hover  { transform: scale(1.5); }
.select4:hover  { transform: scale(2.0); }
.select5:hover  { transform: scale(2.0); }
.select6:hover  { transform: scale(2.0); }
.select7:hover  { transform: scale(2.0); }
.select8:hover  { transform: scale(1.5); }
.select9:hover  { transform: scale(2.0); }
.select10:hover { transform: scale(1.5); }
.select11:hover { transform: scale(2.0); }
.select12:hover { transform: scale(2.0); }
.select13:hover { transform: scale(2.0); }
.select14:hover { transform: scale(2.0); }
.select15:hover { transform: scale(2.0); }

.number {
  width: 100%; height: 100%;
  color: var(--text-dim);
  font-size: 10px; font-weight: 700;
  display: grid; place-items: center;
}

/* ── ABOUT section ───────────────────────────────────────── */
.about-text p {
  width: 1395px;
  margin: 0 auto; padding: 36px 0;
  font-size: 17px; font-weight: 600;
  color: var(--text);
  text-align: justify; line-height: 2;
}

.about-images {
  width: 1395px;
  margin: 0 auto; padding: 0;
  display: grid; place-items: center;
  grid-template-rows: repeat(auto-fit, minmax(220px, auto));
  grid-gap: 1.5rem;
}

.box {
  width: 1395px; height: 450px;
  margin: 0; padding: 0;
  display: flex; align-items: center;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
}
.box img {
  width: 450px; height: 400px;
  margin: 3px 0 0; padding: 0;
  outline: 4px solid var(--accent-dark); outline-offset: 14px;
  object-fit: cover;
  border-radius: 8px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.50);
}
#image1 { margin-left: 30px; }
#image2 { margin-right: 30px; }

.box h1 {
  margin: 0 48px; padding: 0;
  font-size: 26px; font-weight: 900;
  color: var(--accent);
}
.box p {
  margin: 0 48px; padding: 0;
  font-size: 17px; font-weight: 600;
  text-align: justify; line-height: 2;
  color: var(--text);
}

/* ── Summary text block ──────────────────────────────────── */
.text p {
  width: 1395px;
  margin: 0 auto; padding: 36px 0;
  font-size: 17px; font-weight: 600;
  color: var(--text);
  text-align: justify; line-height: 2;
}

/* ── FOOTER ─────────────────────────────────────────────── */
.footer {
  padding: 32px 0;
  background: var(--surface);
  border-top: 1px solid var(--border);
}
.main {
  display: flex; flex-wrap: wrap;
  max-width: 1395px; margin: 0 auto;
}
.main li { list-style: none; }
.col { width: 25%; padding: 0 16px; }

.col h4 {
  margin: 0 0 24px; padding: 0 4px;
  color: var(--accent);
  font-size: 15px; font-weight: 800;
  text-transform: uppercase; letter-spacing: 0.08em;
  position: relative;
}
.col h4::before {
  content: ""; position: absolute;
  height: 2px; width: 80px;
  left: 4px; bottom: -8px;
  background: var(--accent-dark);
  opacity: 0.5;
}

.col ul { padding: 0; margin: 0; }
.col ul li:not(:last-child) { margin-bottom: 14px; }
.col ul li a {
  color: var(--text-dim);
  font-size: 15px; font-weight: 700;
  display: block; text-decoration: none;
  transition: color 0.18s, transform 0.18s;
}
.col ul li a:hover { color: var(--accent); transform: translateX(-6px); }

.col .colorindication li {
  font-size: 14px; font-weight: 700;
  margin-bottom: 10px;
}

.col .social ul { display: flex; flex-wrap: wrap; padding: 0; }
.col .social a {
  width: 40px; height: 40px;
  margin: 4px;
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: 10px;
  background: var(--surface-hi);
  border: 1px solid var(--border);
  transition: background 0.18s, transform 0.18s;
}
.col .social a:hover { background: var(--accent); transform: translateY(-2px); }

/* ════════════════════════════════════════════════════════════
   RESPONSIVE BREAKPOINTS
   ════════════════════════════════════════════════════════════ */

/* ── 1050–1450px ─────────────────────────────────────────── */
@media ((max-width:1450px) and (min-width:1050px)) {
  .mainscreen { width:1015px; height:532px; padding:3px; }
  .screens    { width:1007px; height:524px; grid-template-columns:repeat(8,125px); grid-template-rows:repeat(5,104px); }
  .set        { width:125px; height:104px; grid-template-columns:repeat(6,20px); grid-template-rows:repeat(5,20px); }
  .select1,.select3,.select8,.select10 { width:41px; height:41px; }
  .select2,.select4,.select5,.select6,.select7,.select9,.select11,.select14 { width:20px; height:20px; }
  .select12   { width:20px; height:41px; }
  .select13,.select15 { width:41px; height:20px; }
  .number { font-size:10px; font-weight:500; }
  .about-text p, .text p { width:1012px; }
  .about-images, .box { width:1012px; }
  .box { height:900px; }
}

/* ── 801–1050px ──────────────────────────────────────────── */
@media ((max-width:1050px) and (min-width:801px)) {
  .mainscreen { width:787px; height:1047px; margin:80px 0 0; padding:3px; overflow:visible; }
  .screens    { width:779px; height:1039px; grid-template-columns:repeat(5,155px); grid-template-rows:repeat(8,129px); }
  .set        { width:155px; height:129px; grid-template-columns:repeat(6,25px); grid-template-rows:repeat(5,25px); }
  .select1,.select3,.select8,.select10 { width:51px; height:51px; }
  .select2,.select4,.select5,.select6,.select7,.select9,.select11,.select14 { width:25px; height:25px; }
  .select12   { width:25px; height:51px; }
  .select13,.select15 { width:51px; height:25px; }
  .number { font-size:10px; font-weight:500; }
  .about-text p, .text p { width:789px; }
  .about-images { width:100%; }
  .box { width:789px; height:900px; display:inline; }
  .box-img { display:grid; place-items:center; }
  .box img  { width:450px; height:450px; margin:25px auto 0; outline:none; }
  #image1,#image2 { margin:0; }
  .box h1 { margin:25px 50px 0; }
  .box p  { font-size:22px; }
  .col { width:50%; }
}

/* ── 700–800px ───────────────────────────────────────────── */
@media ((max-width:800px) and (min-width:700px)) {
  #header-icon { display:initial; }
  header .header-bar {
    top:-400px; left:0; right:0; position:absolute;
    display:flex; flex-direction:column; text-align:center;
    background:var(--surface); border-bottom:1px solid var(--border);
    transition:.3s;
  }
  header .header-bar.active { top:50px; }
  .header-bar a:last-child  { margin-right:0; }
  .options { padding:10px 0; margin:0; }
  .options a { margin:0; padding:0; font-size:16px; display:block; }
  .mainscreen { width:697px; height:927px; margin:55px 0 0; padding:3px; overflow:visible; }
  .screens    { width:689px; height:919px; grid-template-columns:repeat(5,137px); grid-template-rows:repeat(8,114px); }
  .set        { width:137px; height:114px; grid-template-columns:repeat(6,22px); grid-template-rows:repeat(5,22px); }
  .select1,.select3,.select8,.select10 { width:45px; height:45px; margin:0; }
  .select2,.select4,.select5,.select6,.select7,.select9,.select11,.select14 { width:22px; height:22px; margin:0; }
  .select12 { width:22px; height:45px; margin:0; }
  .select13,.select15 { width:45px; height:22px; margin:0; }
  .about-text p, .text p { width:694px; }
  .about-images { width:100%; }
  .box { width:694px; height:750px; display:inline; }
  .box-img { display:grid; place-items:center; }
  .box img  { width:450px; height:450px; margin:25px auto 0; outline:none; }
  #image1,#image2 { margin:0; }
  .box h1 { margin:25px 50px 0; }
  .col { width:50%; }
}

/* ── 370–699px ───────────────────────────────────────────── */
@media ((max-width:699px) and (min-width:370px)) {
  .header-title { font-size:17px; }
  #header-icon  { display:initial; }
  header .header-bar {
    top:-400px; left:0; right:0; position:absolute;
    display:flex; flex-direction:column; text-align:center;
    background:var(--surface); border-bottom:1px solid var(--border);
    transition:.3s;
  }
  header .header-bar.active { top:50px; }
  .header-bar a:last-child  { margin-right:0; }
  .options a { font-size:15px; display:block; margin:0; padding:12px 0; }
  .mainscreen { width:367px; height:757px; margin:60px 0 0; padding:3px; overflow:visible; border-radius:4px; }
  .screens    { width:359px; height:749px; grid-template-columns:repeat(4,89px); grid-template-rows:repeat(10,74px); margin:0; }
  .set        { width:89px; height:74px; grid-template-columns:repeat(6,14px); grid-template-rows:repeat(5,14px); }
  .select1,.select3,.select8,.select10 { width:29px; height:29px; margin:0; }
  .select2,.select4,.select5,.select6,.select7,.select9,.select11,.select14 { width:14px; height:14px; margin:0; }
  .select12 { width:14px; height:29px; margin:0; }
  .select13,.select15 { width:29px; height:14px; margin:0; }
  .number { font-size:5px; font-weight:400; }
  .about-text p, .text p { width:369px; font-size:15px; }
  .about-images { width:369px; }
  .box { width:369px; height:700px; display:inline; }
  .box-img { display:grid; place-items:center; }
  .box img  { width:329px; height:300px; margin:50px auto 0; outline:none; }
  #image1,#image2 { margin:0; }
  .box h1 { margin:25px 20px 0; }
  .box p  { margin:0 20px; font-size:15px; }
  .col { width:100%; }
  .colorindication li { font-weight:600; }
}

/* ── 341–369px ───────────────────────────────────────────── */
@media ((max-width:369px) and (min-width:341px)) {
  .header-title { font-size:16px; }
  #header-icon  { display:initial; }
  header .header-bar {
    top:-400px; left:0; right:0; position:absolute;
    display:flex; flex-direction:column; text-align:center;
    background:var(--surface); border-bottom:1px solid var(--border);
    transition:.3s;
  }
  header .header-bar.active { top:50px; }
  .mainscreen { width:319px; height:657px; margin:60px 0 0; padding:3px; overflow:visible; }
  .screens    { width:311px; height:649px; grid-template-columns:repeat(4,77px); grid-template-rows:repeat(10,64px); margin:0; }
  .set        { width:77px; height:64px; grid-template-columns:repeat(6,12px); grid-template-rows:repeat(5,12px); }
  .select1,.select3,.select8,.select10 { width:25px; height:25px; margin:0; }
  .select2,.select4,.select5,.select6,.select7,.select9,.select11,.select14 { width:12px; height:12px; margin:0; }
  .select12 { width:12px; height:25px; margin:0; }
  .select13,.select15 { width:25px; height:12px; margin:0; }
  .number { font-size:5px; font-weight:400; }
  .about-text p, .text p { width:340px; font-size:15px; }
  .about-images { width:340px; }
  .box { width:340px; height:650px; display:inline; }
  .box-img { display:grid; place-items:center; }
  .box img  { width:300px; height:250px; margin:50px auto 0; outline:none; }
  .box h1 { margin:25px 20px 0; }
  .box p  { margin:0 20px; font-size:15px; }
  .col { width:100%; }
  .colorindication li { font-weight:600; }
}

/* ── ≤340px ──────────────────────────────────────────────── */
@media (max-width:340px) {
  header { height:44px; }
  .header-title { font-size:15px; font-weight:800; }
  #header-icon  { display:initial; width:44px; height:44px; }
  header .header-bar {
    top:-400px; left:0; right:0;
    margin:43px 0 0; position:absolute;
    display:flex; flex-direction:column; text-align:center;
    background:var(--surface); border-bottom:1px solid var(--border);
    transition:.3s;
  }
  header .header-bar.active { top:0; }
  .mainscreen { width:295px; height:607px; margin:54px 0 0; padding:3px; overflow:visible; }
  .screens    { width:287px; height:599px; grid-template-columns:repeat(4,71px); grid-template-rows:repeat(10,59px); margin:0; }
  .set        { width:71px; height:59px; grid-template-columns:repeat(6,11px); grid-template-rows:repeat(5,11px); }
  .select1,.select3,.select8,.select10 { width:23px; height:23px; margin:0; }
  .select2,.select4,.select5,.select6,.select7,.select9,.select11,.select14 { width:11px; height:11px; margin:0; }
  .select12 { width:11px; height:23px; margin:0; }
  .select13,.select15 { width:23px; height:11px; margin:0; }
  .number { font-size:5px; font-weight:400; }
  .about-text p, .text p { width:310px; font-size:15px; }
  .about-images { width:310px; }
  .box { width:310px; height:700px; display:inline; }
  .box-img { display:grid; place-items:center; }
  .box img  { width:290px; height:250px; margin:50px auto 0; outline:none; }
  .box h1 { margin:25px 10px 0; }
  .box p  { margin:0 10px; font-size:15px; }
  .col { width:100%; }
  .colorindication li { font-weight:600; }
}