/* =========================================================
   海南信创数科集团有限公司 — 官方网站样式
   ========================================================= */

/* ── Variables ── */
:root {
  --deep:    #010C1A;
  --dark:    #030F20;
  --mid:     #051829;
  --panel:   #08192E;
  --card:    #0B1E35;
  --raised:  #0F2540;

  --blue:    #0B5FDF;
  --blue-b:  #1A8FFF;
  --blue-g:  #2AABFF;
  --blue-dim:rgba(26,143,255,.12);

  --gold:    #C8A84A;
  --gold-l:  #E5C870;
  --gold-dim:rgba(200,168,74,.22);

  --g500: #445A76;
  --g400: #5E748E;
  --g300: #8A9DB8;
  --g200: #B4C5DA;
  --g100: #D8E5F2;
  --white:#EDF4FF;
  --body: #9EAFCA;

  --green:#2ECC8A;
  --red:  #E05A5A;
  --bd:   rgba(26,143,255,.11);
  --bd-g: rgba(200,168,74,.22);

  --r:    2px;
  --gap:  20px;
  --inner-w: 1240px;
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: 'Noto Sans SC', sans-serif;
  background: var(--deep);
  color: var(--body);
  line-height: 1.7;
  overflow-x: hidden;
}
a { text-decoration: none; color: inherit; }
img { display: block; max-width: 100%; }
::-webkit-scrollbar { width: 3px; }
::-webkit-scrollbar-track { background: var(--dark); }
::-webkit-scrollbar-thumb { background: var(--blue); border-radius: 2px; }

/* ── Grid overlay ── */
body::before {
  content: '';
  position: fixed; inset: 0;
  background-image:
    linear-gradient(rgba(26,143,255,.022) 1px, transparent 1px),
    linear-gradient(90deg, rgba(26,143,255,.022) 1px, transparent 1px);
  background-size: 68px 68px;
  pointer-events: none; z-index: 0;
}

/* =========================================================
   NAVIGATION
   ========================================================= */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  height: 66px;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 52px;
  background: rgba(1,12,26,.9);
  backdrop-filter: blur(22px);
  border-bottom: 1px solid var(--bd);
  transition: background .3s, box-shadow .3s;
}
nav.scrolled {
  background: rgba(1,12,26,.98);
  box-shadow: 0 4px 28px rgba(0,0,0,.5);
}
.logo { display: flex; flex-direction: column; gap: 2px; }
.logo-cn {
  font-size: 14px; font-weight: 700; color: var(--white);
  letter-spacing: .04em; white-space: nowrap; line-height: 1.2;
}
.logo-en {
  font-family: 'Rajdhani', sans-serif;
  font-size: 9px; font-weight: 600; color: var(--gold);
  letter-spacing: .22em; text-transform: uppercase;
}
.nav-links { display: flex; gap: 26px; list-style: none; }
.nav-links a {
  font-size: 12.5px; font-weight: 500; color: var(--g300);
  letter-spacing: .04em; white-space: nowrap;
  transition: color .25s; position: relative;
}
.nav-links a::after {
  content: ''; position: absolute; bottom: -3px; left: 0; right: 0;
  height: 1px; background: var(--blue-b);
  transform: scaleX(0); transition: transform .25s;
}
.nav-links a:hover { color: var(--white); }
.nav-links a:hover::after { transform: scaleX(1); }
.nav-cta {
  padding: 7px 20px;
  background: linear-gradient(135deg, var(--blue), var(--blue-b));
  color: var(--white); font-size: 12px; font-weight: 700;
  letter-spacing: .07em; border-radius: var(--r);
  white-space: nowrap; transition: all .25s;
}
.nav-cta:hover {
  box-shadow: 0 0 18px rgba(26,143,255,.45);
  transform: translateY(-1px);
}
.hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 4px; }
.hamburger span { width: 22px; height: 1.5px; background: var(--white); transition: all .3s; }

/* =========================================================
   SHARED PRIMITIVES
   ========================================================= */
.sec { position: relative; z-index: 1; }
.inner { max-width: var(--inner-w); margin: 0 auto; padding: 96px 52px; }

.sec-tag {
  display: flex; align-items: center; gap: 10px; margin-bottom: 10px;
}
.sec-tag-line { width: 26px; height: 1px; background: var(--gold); flex-shrink: 0; }
.sec-tag span {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 10px; color: var(--gold);
  letter-spacing: .2em; text-transform: uppercase;
}
.sec-h {
  font-size: clamp(22px, 2.6vw, 36px); font-weight: 800;
  color: var(--white); letter-spacing: -.01em;
  line-height: 1.2; margin-bottom: 14px;
}
.sec-p {
  font-size: 14px; color: var(--g400); line-height: 1.9; max-width: 620px;
}

.btn-p {
  display: inline-block;
  padding: 12px 28px;
  background: linear-gradient(135deg, var(--blue), var(--blue-b));
  color: var(--white); font-size: 13px; font-weight: 700;
  letter-spacing: .07em; border-radius: var(--r);
  border: none; cursor: pointer; transition: all .25s;
}
.btn-p:hover { box-shadow: 0 8px 26px rgba(26,143,255,.42); transform: translateY(-2px); }
.btn-s {
  display: inline-block;
  padding: 12px 28px;
  border: 1px solid var(--gold-dim); color: var(--gold-l);
  font-size: 13px; font-weight: 600; letter-spacing: .07em;
  border-radius: var(--r); background: rgba(200,168,74,.03);
  cursor: pointer; transition: all .25s;
}
.btn-s:hover {
  background: rgba(200,168,74,.09); border-color: var(--gold);
  box-shadow: 0 8px 26px rgba(200,168,74,.18);
}

/* =========================================================
   HERO
   ========================================================= */
#hero {
  min-height: 100vh; display: flex; align-items: center;
  padding: 100px 52px 80px; position: relative; overflow: hidden;
}
.hero-bg {
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 70% 60% at 68% 44%, rgba(11,95,223,.11) 0%, transparent 68%),
    radial-gradient(ellipse 40% 40% at 12% 82%, rgba(200,168,74,.07) 0%, transparent 60%),
    linear-gradient(180deg, var(--deep) 0%, var(--dark) 100%);
}
.hero-orb {
  position: absolute; right: 9%; top: 50%; transform: translateY(-50%);
  width: 480px; height: 480px; border-radius: 50%;
  border: 1px solid rgba(26,143,255,.07);
  animation: orbPulse 8s ease-in-out infinite;
  pointer-events: none;
}
.hero-orb::before {
  content: ''; position: absolute; inset: 32px; border-radius: 50%;
  border: 1px solid rgba(200,168,74,.06);
  animation: orbPulse 8s ease-in-out infinite 1s;
}
.hero-orb::after {
  content: ''; position: absolute; inset: 85px; border-radius: 50%;
  background: radial-gradient(circle at 38% 38%, rgba(26,143,255,.08), transparent 60%);
}
@keyframes orbPulse {
  0%, 100% { opacity: .65; transform: translateY(-50%) scale(1); }
  50%       { opacity: 1;   transform: translateY(-50%) scale(1.04); }
}
.hero-inner { position: relative; z-index: 2; max-width: 700px; }

.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 5px 14px; margin-bottom: 28px;
  border: 1px solid var(--bd-g); background: rgba(200,168,74,.05);
  border-radius: var(--r);
}
.badge-dot {
  width: 5px; height: 5px; border-radius: 50%; background: var(--gold);
  flex-shrink: 0; animation: blink 2.5s ease-in-out infinite;
}
@keyframes blink { 0%,100%{opacity:1} 50%{opacity:.2} }
.hero-badge span {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 10px; color: var(--gold); letter-spacing: .15em;
}

.hero-h1 {
  font-size: clamp(34px, 4.6vw, 60px); font-weight: 900;
  color: var(--white); line-height: 1.1; letter-spacing: -.022em;
  margin-bottom: 10px;
}
.hero-h2 {
  font-size: clamp(18px, 2.3vw, 30px); font-weight: 700;
  line-height: 1.2; margin-bottom: 26px;
  background: linear-gradient(130deg, var(--blue-b), var(--gold));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-desc {
  font-size: 14.5px; color: var(--g300); line-height: 1.9;
  max-width: 600px; margin-bottom: 32px;
}
.hero-chips { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 36px; }
.chip {
  padding: 4px 12px;
  border: 1px solid var(--bd); background: rgba(26,143,255,.04);
  font-family: 'IBM Plex Mono', monospace;
  font-size: 10.5px; color: var(--blue-g); letter-spacing: .06em;
  border-radius: var(--r);
}
.hero-btns { display: flex; gap: 14px; flex-wrap: wrap; }

/* =========================================================
   METRIC STRIP
   ========================================================= */
.mstrip {
  position: relative; z-index: 1;
  background: var(--panel);
  border-top: 1px solid var(--bd); border-bottom: 1px solid var(--bd);
}
.mrow {
  display: grid; grid-template-columns: repeat(5, 1fr);
  max-width: var(--inner-w); margin: 0 auto;
}
.mcell {
  padding: 28px 24px; text-align: center;
  border-right: 1px solid var(--bd);
}
.mcell:last-child { border-right: none; }
.mnum {
  font-family: 'Rajdhani', sans-serif;
  font-size: 34px; font-weight: 700; line-height: 1; margin-bottom: 6px;
  background: linear-gradient(130deg, var(--blue-b), var(--gold));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.mlbl { font-size: 11px; color: var(--g400); letter-spacing: .09em; }

/* =========================================================
   WHY US — 4-COL ADVANTAGE GRID
   ========================================================= */
#why { background: linear-gradient(180deg, var(--dark) 0%, var(--mid) 100%); }
.why-head { text-align: center; margin-bottom: 56px; }
.why-head .sec-tag { justify-content: center; }
.why-head .sec-p { margin: 0 auto; }

.why-grid {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 2px; background: var(--bd);
}
.why-card {
  background: var(--dark); padding: 32px 26px;
  position: relative; overflow: hidden;
  transition: background .3s;
}
.why-card:hover { background: var(--card); }
.why-card::before {
  content: ''; position: absolute; top: 0; left: 0;
  width: 2px; height: 0;
  background: linear-gradient(180deg, var(--blue-b), var(--gold));
  transition: height .4s;
}
.why-card:hover::before { height: 100%; }
.why-no {
  font-family: 'Rajdhani', sans-serif; font-size: 42px; font-weight: 700;
  color: rgba(26,143,255,.05); position: absolute; top: 10px; right: 14px;
  line-height: 1; pointer-events: none;
}
.why-ico { font-size: 26px; margin-bottom: 16px; }
.why-title {
  font-size: 14.5px; font-weight: 700; color: var(--white);
  margin-bottom: 10px; line-height: 1.4;
}
.why-desc { font-size: 12.5px; color: var(--g400); line-height: 1.88; }
.why-kws { display: flex; flex-wrap: wrap; gap: 5px; margin-top: 14px; }
.kw {
  padding: 2px 8px;
  border: 1px solid rgba(26,143,255,.18); background: rgba(26,143,255,.05);
  font-family: 'IBM Plex Mono', monospace;
  font-size: 9.5px; color: var(--blue-g); letter-spacing: .06em;
}

/* =========================================================
   COMPARE TABLE
   ========================================================= */
#compare { background: var(--deep); }
.cmp-wrap {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 2px; background: var(--bd); margin-top: 48px;
}
.cmp-col { background: var(--dark); padding: 34px 30px; }
.cmp-col.hl { background: var(--card); position: relative; }
.cmp-col.hl::after {
  content: '推荐选型'; position: absolute; top: 0; right: 24px;
  background: linear-gradient(135deg, var(--blue), var(--gold));
  color: var(--white); font-size: 10px; font-weight: 700;
  padding: 3px 12px; letter-spacing: .1em;
}
.cmp-hd {
  display: flex; align-items: center; gap: 12px;
  padding-bottom: 20px; border-bottom: 1px solid var(--bd); margin-bottom: 22px;
}
.cmp-ico {
  width: 38px; height: 38px; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  font-size: 20px; border: 1px solid var(--bd);
  background: rgba(26,143,255,.05); border-radius: var(--r);
}
.cmp-hd h3 { font-size: 15px; font-weight: 700; color: var(--white); line-height: 1.3; }
.cmp-hd p  { font-size: 11px; color: var(--g400); margin-top: 2px; }
.cmp-list  { display: flex; flex-direction: column; gap: 14px; }
.cmp-item  { display: flex; gap: 10px; font-size: 13px; line-height: 1.65; }
.cmp-item.bad  { color: var(--g400); }
.cmp-item.good { color: var(--g200); }
.cx { color: var(--red);   flex-shrink: 0; margin-top: 2px; }
.cv { color: var(--green); flex-shrink: 0; margin-top: 2px; }

/* =========================================================
   TECHNOLOGY — 3-COL CARDS
   ========================================================= */
#tech { background: linear-gradient(180deg, var(--mid) 0%, var(--dark) 100%); }
.tech-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 18px; margin-top: 48px;
}
.tc {
  border: 1px solid var(--bd); padding: 30px 26px;
  background: rgba(3,15,32,.75); position: relative; overflow: hidden;
  transition: border-color .3s, box-shadow .3s;
}
.tc:hover {
  border-color: rgba(26,143,255,.32);
  box-shadow: 0 0 34px rgba(26,143,255,.07);
}
.tc-glow {
  position: absolute; top: -30px; right: -30px;
  width: 120px; height: 120px; border-radius: 50%;
  background: radial-gradient(circle, rgba(26,143,255,.07), transparent 70%);
  pointer-events: none;
}
.tc-n {
  font-family: 'Rajdhani', sans-serif; font-size: 42px; font-weight: 700;
  color: rgba(26,143,255,.05); position: absolute; bottom: 10px; right: 14px;
  line-height: 1; pointer-events: none;
}
.tc-ico {
  width: 44px; height: 44px;
  border: 1px solid var(--bd); background: rgba(26,143,255,.05);
  display: flex; align-items: center; justify-content: center;
  font-size: 20px; margin-bottom: 18px;
}
.tc-title {
  font-size: 14.5px; font-weight: 700; color: var(--white);
  margin-bottom: 10px; line-height: 1.4;
}
.tc-desc {
  font-size: 12.5px; color: var(--g400); line-height: 1.88;
  margin-bottom: 16px;
}
.tc-tags { display: flex; flex-wrap: wrap; gap: 5px; }
.tc-tag {
  padding: 2px 8px;
  background: rgba(26,143,255,.07); border: 1px solid rgba(26,143,255,.18);
  font-family: 'IBM Plex Mono', monospace;
  font-size: 9.5px; color: var(--blue-g); letter-spacing: .06em;
}

/* =========================================================
   DISTILLATION — VISUAL PIPELINE
   ========================================================= */
#distill { background: var(--deep); }
.distill-body {
  margin-top: 48px;
  border: 1px solid rgba(26,143,255,.18);
  background: linear-gradient(135deg, rgba(11,95,223,.04), rgba(200,168,74,.02));
  padding: 52px 48px; position: relative; overflow: hidden;
}
.distill-body::after {
  content: 'DISTILLATION';
  position: absolute; right: 0; bottom: -18px;
  font-family: 'Rajdhani', sans-serif;
  font-size: 96px; font-weight: 700;
  color: rgba(26,143,255,.03); letter-spacing: .1em;
  pointer-events: none; white-space: nowrap;
}
.d-diagram {
  display: grid; grid-template-columns: 200px 1fr 200px;
  align-items: center; gap: 28px; margin-bottom: 44px;
}
.dbox {
  border: 1px solid var(--bd); padding: 22px 18px;
  text-align: center; background: var(--dark);
}
.dbox.student {
  border-color: rgba(26,143,255,.36);
  background: rgba(11,95,223,.08);
  box-shadow: 0 0 28px rgba(26,143,255,.1);
}
.dbox-tag {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 9px; color: var(--gold); letter-spacing: .16em;
  text-transform: uppercase; margin-bottom: 9px;
}
.dbox-name {
  font-size: 14px; font-weight: 700; color: var(--white); margin-bottom: 3px;
}
.dbox-sub { font-size: 11px; color: var(--g400); margin-bottom: 14px; }
.drows { display: flex; flex-direction: column; gap: 5px; }
.drow {
  font-size: 10.5px; padding: 4px 10px;
  border: 1px solid var(--bd); background: rgba(26,143,255,.03); color: var(--g400);
}
.drow.hl {
  color: var(--blue-g);
  border-color: rgba(26,143,255,.25); background: rgba(26,143,255,.08);
}

.dflow { display: flex; flex-direction: column; align-items: center; gap: 12px; }
.dflow-steps { display: flex; align-items: center; width: 100%; }
.dstep { display: flex; flex-direction: column; align-items: center; gap: 5px; flex-shrink: 0; }
.dstep-n {
  width: 30px; height: 30px; border-radius: 50%;
  border: 1px solid var(--bd); background: rgba(26,143,255,.07);
  display: flex; align-items: center; justify-content: center;
  font-family: 'Rajdhani', sans-serif; font-size: 12px;
  font-weight: 700; color: var(--blue-g);
}
.dstep-t {
  font-size: 9.5px; color: var(--g400); text-align: center; white-space: nowrap;
}
.dline {
  flex: 1; height: 1px; margin-bottom: 20px;
  background: linear-gradient(90deg, rgba(26,143,255,.3), rgba(200,168,74,.3));
  position: relative; overflow: visible;
}
.dp {
  position: absolute; top: -3px;
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--blue-g); box-shadow: 0 0 6px var(--blue-g);
  animation: flow 2.2s linear infinite;
}
@keyframes flow {
  0%   { left: 0%;   opacity: 0; }
  10%  { opacity: 1; }
  90%  { opacity: 1; }
  100% { left: 100%; opacity: 0; }
}
.dflow-lbl {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 9.5px; color: var(--gold); letter-spacing: .14em; text-align: center;
}
.d-gains {
  display: grid; grid-template-columns: repeat(4,1fr);
  gap: 2px; background: var(--bd);
}
.dgain {
  background: var(--dark); padding: 22px; text-align: center;
  transition: background .3s;
}
.dgain:hover { background: var(--card); }
.dgain-ico { font-size: 18px; margin-bottom: 8px; }
.dgain-val {
  font-family: 'Rajdhani', sans-serif; font-size: 26px; font-weight: 700;
  background: linear-gradient(130deg, var(--blue-b), var(--gold));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text; line-height: 1; margin-bottom: 6px;
}
.dgain-lbl { font-size: 11px; color: var(--g400); letter-spacing: .05em; }

/* =========================================================
   SOLUTIONS — TABBED
   ========================================================= */
#sol { background: linear-gradient(180deg, var(--dark) 0%, var(--mid) 100%); }
.sol-intro {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 60px; align-items: end; margin-bottom: 40px;
}
.sol-tabs {
  display: flex; border-bottom: 1px solid var(--bd);
  margin-bottom: 28px; overflow-x: auto;
}
.sol-tab {
  padding: 9px 20px; flex-shrink: 0;
  font-size: 12.5px; font-weight: 600; color: var(--g400);
  cursor: pointer; letter-spacing: .04em;
  border-bottom: 2px solid transparent; margin-bottom: -1px;
  transition: all .25s; white-space: nowrap;
}
.sol-tab.on { color: var(--white); border-bottom-color: var(--blue-b); }
.sol-tab:hover:not(.on) { color: var(--g200); }

.sol-panel { display: none; animation: fadeUp .35s ease; }
.sol-panel.on { display: block; }
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}
.sol-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.sc {
  padding: 26px 22px; border: 1px solid var(--bd);
  background: var(--dark); transition: all .3s;
}
.sc:hover {
  border-color: rgba(26,143,255,.3); background: var(--card);
  transform: translateY(-3px); box-shadow: 0 10px 26px rgba(0,0,0,.26);
}
.sc-ico { font-size: 24px; margin-bottom: 13px; }
.sc-title { font-size: 14px; font-weight: 700; color: var(--white); margin-bottom: 8px; line-height: 1.4; }
.sc-desc { font-size: 12px; color: var(--g400); line-height: 1.85; margin-bottom: 15px; }
.sc-kpis { display: flex; gap: 16px; padding-top: 13px; border-top: 1px solid var(--bd); }
.kv { font-family: 'Rajdhani', sans-serif; font-size: 17px; font-weight: 700; color: var(--blue-g); line-height: 1; }
.kl { font-size: 10px; color: var(--g400); margin-top: 2px; }

/* =========================================================
   ABOUT
   ========================================================= */
#about { background: var(--deep); }
.about-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 72px; align-items: start; }
.about-text p { font-size: 13.5px; color: var(--body); line-height: 1.95; margin-bottom: 16px; }

.use-cases { margin-top: 28px; }
.uc-head {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 10px; color: var(--gold); letter-spacing: .14em;
  text-transform: uppercase; margin-bottom: 12px;
}
.uc-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.uc-item {
  display: flex; align-items: center; gap: 9px;
  padding: 10px 13px; font-size: 12px; color: var(--g200);
  border: 1px solid var(--bd); background: rgba(26,143,255,.04);
  transition: all .25s;
}
.uc-item:hover { border-color: rgba(26,143,255,.28); color: var(--white); background: rgba(26,143,255,.08); }
.uc-ico { font-size: 15px; flex-shrink: 0; }

.about-vals { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-top: 28px; }
.av { padding: 16px; border-left: 2px solid var(--blue); background: rgba(26,143,255,.04); }
.av-t { font-size: 12.5px; font-weight: 700; color: var(--white); margin-bottom: 3px; }
.av-d { font-size: 11px; color: var(--g400); line-height: 1.6; }

.about-card {
  background: var(--card); border: 1px solid var(--bd);
  padding: 38px; position: relative;
}
.about-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0;
  height: 2px; background: linear-gradient(90deg, var(--blue), var(--gold));
}
.av-vision {
  font-family: 'Rajdhani', sans-serif;
  font-size: 22px; font-weight: 700; color: var(--white);
  line-height: 1.45; margin-bottom: 26px; letter-spacing: .02em;
}
.av-vision em {
  font-style: normal;
  background: linear-gradient(130deg, var(--blue-b), var(--gold));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.cert-list { display: flex; flex-direction: column; gap: 10px; }
.cert { display: flex; align-items: flex-start; gap: 9px; font-size: 12.5px; color: var(--g200); }
.cert-dot { width: 5px; height: 5px; border-radius: 50%; background: var(--gold); flex-shrink: 0; margin-top: 7px; }

/* =========================================================
   CASES
   ========================================================= */
#cases { background: linear-gradient(180deg, var(--mid) 0%, var(--dark) 100%); }
.logos-grid {
  display: grid; grid-template-columns: repeat(6, 1fr);
  gap: 2px; background: var(--bd); margin: 36px 0;
}
.logo-cell {
  background: var(--dark); padding: 22px 16px;
  display: flex; flex-direction: column; align-items: center; gap: 7px;
  transition: background .3s;
}
.logo-cell:hover { background: var(--card); }
.logo-ico { font-size: 22px; opacity: .65; }
.logo-nm { font-size: 10px; color: var(--g400); letter-spacing: .06em; text-align: center; }

.cases-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.cc {
  border: 1px solid var(--bd); padding: 30px 28px;
  background: var(--dark); transition: all .3s;
}
.cc:hover { border-color: rgba(26,143,255,.28); box-shadow: 0 10px 32px rgba(0,0,0,.28); }
.cc-ind {
  display: inline-block; padding: 3px 9px; margin-bottom: 14px;
  background: rgba(200,168,74,.07); border: 1px solid var(--bd-g);
  font-family: 'IBM Plex Mono', monospace;
  font-size: 9.5px; color: var(--gold); letter-spacing: .13em; text-transform: uppercase;
}
.cc-title { font-size: 16px; font-weight: 700; color: var(--white); margin-bottom: 10px; line-height: 1.4; }
.cc-desc { font-size: 12.5px; color: var(--g400); line-height: 1.88; margin-bottom: 18px; }
.cc-metrics { display: flex; gap: 20px; }
.cmv {
  font-family: 'Rajdhani', sans-serif; font-size: 26px; font-weight: 700;
  background: linear-gradient(130deg, var(--blue-b), var(--gold-l));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text; line-height: 1; margin-bottom: 4px;
}
.cml { font-size: 10px; color: var(--g400); letter-spacing: .04em; }

/* =========================================================
   NEWS
   ========================================================= */
#news { background: var(--deep); }
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 40px; }
.nc {
  border: 1px solid var(--bd); background: var(--dark);
  overflow: hidden; transition: all .3s; cursor: pointer;
}
.nc:hover {
  border-color: rgba(26,143,255,.26);
  transform: translateY(-4px); box-shadow: 0 14px 32px rgba(0,0,0,.3);
}
.ns { height: 3px; background: linear-gradient(90deg, var(--blue), var(--blue-b)); }
.ns.gold  { background: linear-gradient(90deg, var(--gold), var(--gold-l)); }
.ns.green { background: linear-gradient(90deg, var(--green), var(--blue-b)); }
.nb { padding: 24px; }
.nm { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; }
.ncat {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 9.5px; color: var(--blue-g); letter-spacing: .11em; text-transform: uppercase;
}
.ndate { font-size: 10.5px; color: var(--g400); }
.ntitle { font-size: 14px; font-weight: 700; color: var(--white); line-height: 1.5; margin-bottom: 10px; }
.nexc { font-size: 12px; color: var(--g400); line-height: 1.8; }

/* =========================================================
   CONTACT
   ========================================================= */
#contact { background: linear-gradient(180deg, var(--dark) 0%, var(--mid) 100%); }
.contact-layout { display: grid; grid-template-columns: 1fr 1.5fr; gap: 68px; margin-top: 50px; }
.ci-title { font-size: 17px; font-weight: 700; color: var(--white); margin-bottom: 20px; }
.ci-items { display: flex; flex-direction: column; gap: 16px; margin-bottom: 28px; }
.ci-item { display: flex; gap: 13px; align-items: flex-start; }
.ci-ico {
  width: 38px; height: 38px; flex-shrink: 0;
  border: 1px solid var(--bd); background: rgba(26,143,255,.05);
  display: flex; align-items: center; justify-content: center; font-size: 16px;
}
.ci-h { font-size: 10.5px; color: var(--g400); letter-spacing: .07em; margin-bottom: 2px; }
.ci-v { font-size: 13.5px; color: var(--g200); }
.privacy {
  padding: 18px; border: 1px solid var(--bd-g); background: rgba(200,168,74,.03);
}
.privacy h4 { font-size: 12px; font-weight: 700; color: var(--gold-l); margin-bottom: 6px; }
.privacy p  { font-size: 11.5px; color: var(--g400); line-height: 1.75; }

.cform { background: var(--card); border: 1px solid var(--bd); padding: 34px; }
.cform-h { font-size: 17px; font-weight: 700; color: var(--white); margin-bottom: 5px; }
.cform-sub { font-size: 12px; color: var(--g400); margin-bottom: 22px; }
.frow { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.fg { display: flex; flex-direction: column; gap: 5px; margin-bottom: 14px; }
.fg label { font-size: 10.5px; color: var(--g400); letter-spacing: .07em; }
.fg input,
.fg select,
.fg textarea {
  width: 100%;
  background: rgba(1,12,26,.8); border: 1px solid var(--bd);
  padding: 9px 12px; color: var(--white);
  font-family: 'Noto Sans SC', sans-serif; font-size: 13px;
  outline: none; transition: border-color .25s; border-radius: 1px;
  -webkit-appearance: none;
}
.fg select option { background: var(--dark); }
.fg input:focus,
.fg select:focus,
.fg textarea:focus { border-color: var(--blue); }
.fg textarea { resize: vertical; min-height: 84px; }

/* =========================================================
   FOOTER
   ========================================================= */
footer {
  background: var(--dark); border-top: 1px solid var(--bd);
  padding: 44px 52px 28px; position: relative; z-index: 1;
}
.footer-inner { max-width: var(--inner-w); margin: 0 auto; }
.fg-grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 44px; margin-bottom: 40px;
}
.fb-name { font-size: 14px; font-weight: 700; color: var(--white); margin-bottom: 2px; }
.fb-en {
  font-family: 'Rajdhani', sans-serif;
  font-size: 9px; color: var(--gold); letter-spacing: .2em;
  text-transform: uppercase; margin-bottom: 14px;
}
.fb-p { font-size: 11.5px; color: var(--g400); line-height: 1.82; margin-bottom: 14px; }
.fb-slogan {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 10px; color: var(--blue-g); letter-spacing: .09em;
}
.fcol h4 {
  font-size: 11.5px; font-weight: 700; color: var(--white);
  margin-bottom: 14px; letter-spacing: .07em;
}
.fcol ul { list-style: none; display: flex; flex-direction: column; gap: 9px; }
.fcol a { font-size: 11.5px; color: var(--g400); transition: color .25s; }
.fcol a:hover { color: var(--blue-g); }

.fb-bottom {
  padding-top: 20px; border-top: 1px solid var(--bd);
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: 10px;
}
.fb-bottom p { font-size: 11px; color: var(--g400); }
.fb-links { display: flex; gap: 14px; align-items: center; flex-wrap: wrap; }
.fb-links a { font-size: 11px; color: var(--g400); transition: color .25s; }
.fb-links a:hover { color: var(--g200); }
.fb-links span { color: var(--g500); font-size: 11px; }

/* =========================================================
   FLOATING CTA
   ========================================================= */
.float-cta { position: fixed; bottom: 28px; right: 28px; z-index: 998; }
.float-cta a {
  display: block; padding: 11px 20px;
  background: linear-gradient(135deg, var(--blue), var(--blue-b));
  color: var(--white); font-size: 12.5px; font-weight: 700;
  letter-spacing: .07em; border-radius: var(--r);
  box-shadow: 0 8px 22px rgba(11,99,229,.42);
  transition: all .25s; white-space: nowrap;
}
.float-cta a:hover {
  box-shadow: 0 12px 28px rgba(26,143,255,.52);
  transform: translateY(-2px);
}

/* =========================================================
   SCROLL REVEAL
   ========================================================= */
.rv { opacity: 0; transform: translateY(22px); transition: opacity .7s ease, transform .7s ease; }
.rv.on { opacity: 1; transform: translateY(0); }

/* =========================================================
   RESPONSIVE — TABLET 1100px
   ========================================================= */
@media (max-width: 1100px) {
  nav { padding: 0 28px; }
  .inner { padding: 80px 28px; }
  footer { padding: 40px 28px 26px; }
  .why-grid { grid-template-columns: 1fr 1fr; }
  .tech-grid { grid-template-columns: 1fr 1fr; }
  .mrow { grid-template-columns: repeat(3, 1fr); }
  .mcell:nth-child(3) { border-right: none; }
  .about-layout { grid-template-columns: 1fr; gap: 36px; }
  .d-diagram { grid-template-columns: 1fr; }
  .d-gains { grid-template-columns: repeat(2, 1fr); }
  .fg-grid { grid-template-columns: 1fr 1fr; }
  .sol-intro { grid-template-columns: 1fr; gap: 0; }
}

/* =========================================================
   RESPONSIVE — MOBILE 768px
   ========================================================= */
@media (max-width: 768px) {
  nav { padding: 0 18px; }
  .inner { padding: 62px 18px; }
  footer { padding: 38px 18px 24px; }

  .nav-links { display: none; }
  .nav-links.open {
    display: flex; flex-direction: column;
    position: fixed; top: 66px; left: 0; right: 0;
    background: rgba(3,15,32,.98); padding: 18px;
    gap: 16px; border-bottom: 1px solid var(--bd);
    backdrop-filter: blur(20px); z-index: 999;
  }
  .hamburger { display: flex; }
  .nav-cta { display: none; }

  #hero { padding: 88px 18px 56px; }
  .hero-h1 { font-size: clamp(26px, 7.5vw, 40px); }
  .hero-h2 { font-size: clamp(15px, 4.5vw, 22px); }
  .hero-orb { display: none; }

  .mrow { grid-template-columns: repeat(2, 1fr); }
  .mcell:nth-child(2n) { border-right: none; }
  .mcell:nth-child(3)  { border-right: 1px solid var(--bd); }

  .why-grid { grid-template-columns: 1fr; }
  .cmp-wrap { grid-template-columns: 1fr; }
  .tech-grid { grid-template-columns: 1fr; }
  .sol-grid { grid-template-columns: 1fr; }
  .logos-grid { grid-template-columns: repeat(3, 1fr); }
  .cases-grid { grid-template-columns: 1fr; }
  .news-grid { grid-template-columns: 1fr; }
  .contact-layout { grid-template-columns: 1fr; gap: 32px; }
  .uc-grid { grid-template-columns: 1fr 1fr; }
  .about-vals { grid-template-columns: 1fr; }
  .fg-grid { grid-template-columns: 1fr; gap: 26px; }
  .fb-bottom { flex-direction: column; text-align: center; }
  .frow { grid-template-columns: 1fr; }

  .distill-body { padding: 28px 18px; }
  .float-cta { bottom: 16px; right: 14px; }
  .float-cta a { padding: 9px 14px; font-size: 12px; }

  .sec-h { white-space: normal !important; }
}