/* ============================================================
   SYNTH AI SOLUTIONS CO., LTD. — Design System v3 (Nebius light)
   Bright white canvas · violet accents (#614EFA) · oversized
   display type · large-radius soft cards · minimal chrome
   ============================================================ */

:root {
  /* surfaces — Nebius light theme: white canvas, soft gray panels */
  --bg: #FFFFFF;
  --bg-2: #F0F8FF;
  --panel: #F0F8FF;
  --panel-hover: #E4EFFB;
  --line: #E5E5E5;
  --line-soft: rgba(229, 229, 229, 0.8);

  /* accent — Nebius violet */
  --green: #614EFA;
  --green-dim: #4B3AE0;
  --green-ink: #FFFFFF;

  /* text — Nebius light-theme grays */
  --text: #262626;
  --text-2: #5C5C5C;
  --text-3: #8C8C8C;

  /* type */
  --font-display: "Sora", "Segoe UI", system-ui, sans-serif;
  --font-body: "IBM Plex Sans", "Segoe UI", system-ui, sans-serif;
  --font-mono: "IBM Plex Mono", "Cascadia Code", Consolas, monospace;

  /* layout */
  --maxw: 1240px;
  --radius: 22px;
  --radius-sm: 12px;
  --nav-h: 72px;
}

/* ---------- reset ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img, svg { display: block; max-width: 100%; }
a { color: var(--text); text-decoration: none; transition: color 0.2s ease; }
a:hover { color: var(--green); }

h1, h2, h3, h4 { font-family: var(--font-display); line-height: 1.08; letter-spacing: -0.03em; font-weight: 600; }

::selection { background: rgba(97, 78, 250, 0.18); color: var(--text); }

::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: #D5D5D5; border-radius: 5px; border: 2px solid var(--bg); }
::-webkit-scrollbar-thumb:hover { background: #C4C4C4; }

/* ---------- layout helpers ---------- */
.container { max-width: var(--maxw); margin: 0 auto; padding: 0 32px; }

.section { padding: 110px 0; }
.section--tight { padding: 80px 0; }

.section-head { max-width: 800px; margin-bottom: 64px; }
.section-head--center { margin-left: auto; margin-right: auto; text-align: center; }

.kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--green);
  margin-bottom: 22px;
}
.kicker::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--green); }

.h2 { font-size: clamp(32px, 4.6vw, 52px); font-weight: 600; }
.h2 .accent { color: var(--green); }
.sub { color: var(--text-2); font-size: 19px; margin-top: 20px; max-width: 640px; }
.section-head--center .sub { margin-left: auto; margin-right: auto; }

.center { text-align: center; }

/* ============================================================
   BUTTONS — dark primary / outline ghost (Nebius light theme)
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  font-family: var(--font-body);
  font-size: 16.5px;
  font-weight: 600;
  letter-spacing: 0;
  padding: 14px 28px;
  border-radius: 10px;
  border: 1px solid transparent;
  cursor: pointer;
  white-space: nowrap;
  transition: transform 0.2s ease, background 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}
.btn svg { width: 16px; height: 16px; flex: none; transition: transform 0.2s ease; }
.btn:hover svg { transform: translateX(3px); }

.btn--primary {
  background: var(--text);
  color: #FFFFFF !important;
}
.btn--primary:hover { background: var(--green); color: #fff !important; transform: translateY(-1px); }

.btn--ghost {
  background: transparent;
  color: var(--text) !important;
  border-color: #CFCFCF;
}
.btn--ghost:hover { border-color: var(--text); background: rgba(0, 0, 0, 0.03); transform: translateY(-1px); }
.hero .btn--ghost {
  color: #FFFFFF !important;
  border-color: rgba(255, 255, 255, 0.55);
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
.hero .btn--ghost:hover { border-color: #FFFFFF; background: rgba(255, 255, 255, 0.2); }

.btn--red { background: #E5484D; color: #fff !important; }
.btn--red:hover { filter: brightness(1.1); transform: translateY(-1px); }

.btn--lg { padding: 17px 34px; font-size: 17.5px; border-radius: 12px; }

.arrow-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--green) !important;
}
.arrow-link .arr { transition: transform 0.2s ease; }
.arrow-link:hover .arr { transform: translateX(4px); }

/* ============================================================
   NAVIGATION — white, hairline border
   ============================================================ */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: var(--nav-h);
  background: rgba(255, 255, 255, 0.75);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid transparent;
  transition: background 0.3s ease, border-color 0.3s ease;
}
.nav.is-scrolled { background: rgba(255, 255, 255, 0.92); border-bottom-color: var(--line); }

.nav__inner {
  max-width: var(--maxw);
  margin: 0 auto;
  height: 100%;
  padding: 0 32px;
  display: flex;
  align-items: center;
  gap: 36px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text) !important;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 19px;
  letter-spacing: -0.01em;
  flex: none;
}
.logo b { color: var(--green); font-weight: 700; }
.logo__chip { width: 26px; height: 26px; flex: none; }

.nav__links {
  display: flex;
  align-items: center;
  gap: 2px;
  margin-left: auto;
  list-style: none;
}
.nav__links a {
  display: block;
  padding: 8px 14px;
  font-size: 15.5px;
  font-weight: 500;
  color: var(--text-2) !important;
  border-radius: 8px;
  position: relative;
  transition: color 0.2s ease, background 0.2s ease;
}
.nav__links a::after {
  content: "";
  position: absolute;
  left: 14px; right: 14px;
  bottom: 3px;
  height: 2px;
  border-radius: 2px;
  background: var(--green);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 0.25s ease;
}
.nav__links a:hover { color: var(--text) !important; background: rgba(0, 0, 0, 0.045); }
.nav__links a:hover::after { transform: scaleX(0.55); }
.nav__links a[aria-current="page"] { color: var(--text) !important; }
.nav__links a[aria-current="page"]::after { transform: scaleX(1); }

.nav__cta { flex: none; }
.nav__cta .btn { padding: 10px 22px; font-size: 15px; }

.nav__burger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  width: 42px; height: 42px;
  border-radius: 8px;
  color: var(--text);
  align-items: center;
  justify-content: center;
}
.nav__burger:hover { background: rgba(0, 0, 0, 0.05); }
.nav__burger svg { width: 24px; height: 24px; }
.nav__burger .icon-close { display: none; }
.nav.open .nav__burger .icon-close { display: block; }
.nav.open .nav__burger .icon-menu { display: none; }

@media (max-width: 1023px) {
  .nav__burger { display: flex; margin-left: auto; }
  .nav__links {
    display: none;
    position: absolute;
    top: var(--nav-h); left: 0; right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--line);
    padding: 16px 24px 24px;
  }
  .nav.open .nav__links { display: flex; }
  .nav__links a { padding: 13px 14px; font-size: 17px; }
  .nav__cta { display: none; }
}

/* ============================================================
   HERO — oversized centered display type on white + fine grid
   ============================================================ */
.hero {
  position: relative;
  min-height: 94vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: calc(var(--nav-h) + 80px) 0 100px;
  overflow: hidden;
  isolation: isolate;
}

.hero__video {
  position: absolute;
  inset: 0;
  z-index: -2;
  width: 100%;
  height: 100%;
  object-fit: cover;
  pointer-events: none;
}

.hero__inner {
  position: relative;
  text-align: center;
  max-width: 1060px;
  margin: 0 auto;
  color: #FFFFFF;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.85);
  border: 1px solid rgba(255, 255, 255, 0.35);
  background: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  padding: 9px 18px;
  border-radius: 999px;
  margin-bottom: 40px;
}
.hero__badge .dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--green);
  animation: pulse-dot 2.4s ease-in-out infinite;
}
@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

.hero h1 {
  font-size: clamp(44px, 7vw, 84px);
  font-weight: 600;
  letter-spacing: -0.04em;
  line-height: 1.04;
  color: #FFFFFF;
  text-shadow: 0 2px 24px rgba(20, 10, 60, 0.35);
}
.hero h1 em { font-style: normal; color: #7EF0C9; }

.hero__sub {
  max-width: 720px;
  margin: 30px auto 0;
  font-size: clamp(17px, 1.8vw, 20px);
  color: rgba(255, 255, 255, 0.82);
  text-shadow: 0 1px 12px rgba(20, 10, 60, 0.4);
  line-height: 1.65;
}

.hero__ctas {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 44px;
}

/* KPI strip */
.hero__stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  max-width: calc(980px + 64px);
  margin: 96px auto 0;
  padding: 0 32px;
  border-top: 1px solid rgba(255, 255, 255, 0.3);
}
.hero__stat {
  padding: 30px 16px 0;
  text-align: center;
  border-left: 1px solid rgba(255, 255, 255, 0.25);
}
.hero__stat:first-child { border-left: none; }
.hero__stat b {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(26px, 3vw, 38px);
  font-weight: 600;
  color: #FFFFFF;
  text-shadow: 0 1px 14px rgba(20, 10, 60, 0.4);
  letter-spacing: -0.03em;
}
.hero__stat span {
  display: block;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.75);
  margin-top: 8px;
}

@media (max-width: 767px) {
  .hero__stats { grid-template-columns: repeat(2, 1fr); row-gap: 30px; }
  .hero__stat:nth-child(3) { border-left: none; }
}

/* ============================================================
   CARDS — large-radius soft gray panels
   ============================================================ */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }

/* wrapping card row that centers the last (incomplete) row, e.g. 5-card 3+2 layouts */
.card-row { display: flex; flex-wrap: wrap; gap: 24px; justify-content: center; }
.card-row > .card { flex: 1 1 300px; max-width: 390px; }
.card-row--articles > .card { flex: 1 1 340px; max-width: 400px; }

.card {
  background: var(--panel);
  border: 1px solid transparent;
  border-radius: var(--radius);
  padding: 40px 36px;
  transition: background 0.3s ease, border-color 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease;
}
.card:hover { background: var(--bg); border-color: var(--line); transform: translateY(-3px); box-shadow: 0 16px 40px rgba(0, 0, 0, 0.07); }

.card__icon {
  width: 48px; height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 26px;
  background: rgba(97, 78, 250, 0.08);
  border: 1px solid rgba(97, 78, 250, 0.18);
  color: var(--green);
}
.card__icon svg { width: 22px; height: 22px; }

.card h3 { font-size: 21px; margin-bottom: 12px; }
.card p { color: var(--text-2); font-size: 16px; }
.card .arrow-link { margin-top: 22px; }

.pain-card .card__icon { background: rgba(0, 0, 0, 0.045); border-color: var(--line); color: var(--text-2); }
.pain-card h3 { font-size: 19px; }

@media (max-width: 1023px) {
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 767px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
}

/* big feature cards (2×2) */
.feature-card { display: flex; flex-direction: column; }
.feature-card h3 { font-size: 24px; }
.feature-card p { font-size: 16.5px; flex-grow: 1; }

/* ============================================================
   PAGE HERO (interior) — oversized centered
   ============================================================ */
.page-hero {
  padding: calc(var(--nav-h) + 96px) 0 76px;
  text-align: center;
  position: relative;
}
.page-hero h1 {
  font-size: clamp(40px, 5.6vw, 68px);
  font-weight: 600;
  letter-spacing: -0.035em;
  line-height: 1.05;
  color: var(--text);
}
.page-hero h1 em { font-style: normal; color: var(--green); }
.page-hero .sub { max-width: 680px; margin: 26px auto 0; font-size: 19px; }

.crumbs {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 26px;
}
.crumbs b { color: var(--green); font-weight: 500; }

/* ============================================================
   FOOTER — Nebius-style violet gradient canvas, white text,
   giant wordmark watermark at the base
   ============================================================ */
.footer {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  color: #fff;
  background:
    linear-gradient(180deg,
      #5F54E8 0%,
      #7468EF 18%,
      #9B8CF2 38%,
      #B9AEF0 50%,
      #B7E4EF 68%,
      #C7F2E4 82%,
      #D6F56A 100%);
  padding: 100px 0 0;
}
.footer::before {
  /* soft aurora blooms over the vertical gradient, like the canvas render */
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(900px 420px at 18% 12%, rgba(97, 78, 250, 0.55), transparent 65%),
    radial-gradient(800px 400px at 85% 30%, rgba(140, 120, 250, 0.4), transparent 60%),
    radial-gradient(700px 380px at 80% 78%, rgba(224, 255, 79, 0.35), transparent 65%),
    radial-gradient(600px 320px at 10% 90%, rgba(190, 245, 170, 0.35), transparent 60%);
  pointer-events: none;
}
.footer a { color: rgba(255, 255, 255, 0.85) !important; }
.footer a:hover { color: #fff !important; }

.footer__cta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 32px;
  flex-wrap: wrap;
  padding-bottom: 72px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.35);
  margin-bottom: 72px;
}
.footer__cta h2 { font-size: clamp(28px, 3.6vw, 44px); max-width: 560px; color: #fff; }
.footer__cta .btn { flex: none; }
.footer__cta .btn--primary { background: #E0FF4F; color: #262626 !important; }
.footer__cta .btn--primary:hover { background: #EBFF7A; }
.footer__cta .btn--primary svg { color: #262626; }

.footer__top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 48px;
  flex-wrap: wrap;
  padding-bottom: 56px;
  position: relative;
  z-index: 1;
}
.footer__brand p { color: rgba(255, 255, 255, 0.75); font-size: 15.5px; max-width: 320px; margin-top: 16px; }
.footer__brand .logo { color: #fff !important; }
.footer__brand .logo b { color: #E0FF4F; }

.footer__cols { display: flex; gap: clamp(40px, 7vw, 110px); flex-wrap: wrap; position: relative; z-index: 1; }
.footer__col h4 {
  font-family: var(--font-mono);
  font-size: 12.5px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: 18px;
}
.footer__col ul { list-style: none; display: grid; gap: 11px; }
.footer__col a { color: rgba(255, 255, 255, 0.85) !important; font-size: 15.5px; }
.footer__contact { display: grid; gap: 12px; }
.footer__contact a, .footer__contact span { color: rgba(255, 255, 255, 0.85) !important; font-size: 15.5px; display: flex; align-items: center; gap: 9px; }
.footer__contact address { font-style: normal; color: rgba(255, 255, 255, 0.85) !important; font-size: 15.5px; display: flex; align-items: flex-start; gap: 9px; max-width: 300px; }
.footer__contact svg { width: 15px; height: 15px; color: #E0FF4F; flex: none; }
.footer__contact address svg { margin-top: 4px; }

.footer__watermark {
  position: relative;
  margin-top: 24px;
  user-select: none;
  pointer-events: none;
  overflow: hidden;
}
.footer__watermark span {
  display: block;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(90px, 16.5vw, 240px);
  line-height: 0.78;
  letter-spacing: -0.02em;
  text-align: center;
  white-space: nowrap;
  color: #E0FF4F;
  opacity: 0.9;
  transform: translateY(18%);
}

.footer__bottom {
  position: relative;
  z-index: 1;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  padding: 26px 0 30px;
  border-top: 1px solid rgba(255, 255, 255, 0.35);
  font-size: 14px;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.95);
  text-shadow: 0 1px 4px rgba(38, 38, 38, 0.25);
}
.footer__bottom .mono { font-family: var(--font-mono); font-size: 13px; letter-spacing: 0.04em; }

/* ============================================================
   SCROLL REVEAL
   ============================================================ */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.65s ease, transform 0.65s ease; }
.reveal.in { opacity: 1; transform: none; }
.reveal[data-delay="1"] { transition-delay: 0.08s; }
.reveal[data-delay="2"] { transition-delay: 0.16s; }
.reveal[data-delay="3"] { transition-delay: 0.24s; }
.reveal[data-delay="4"] { transition-delay: 0.32s; }
.reveal[data-delay="5"] { transition-delay: 0.40s; }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  * { animation-duration: 0.001s !important; transition-duration: 0.001s !important; }
}

@keyframes page-in { from { opacity: 0; } to { opacity: 1; } }
body { animation: page-in 0.3s ease; }

/* ============================================================
   INDUSTRY ROW — soft bordered tiles
   ============================================================ */
.industry-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.industry-tag {
  display: flex;
  flex-direction: column;
  gap: 16px;
  align-items: flex-start;
  padding: 30px 26px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--bg);
  color: var(--text) !important;
  transition: border-color 0.25s ease, box-shadow 0.25s ease, transform 0.25s ease;
}
.industry-tag svg { width: 24px; height: 24px; color: var(--green); }
.industry-tag b { font-size: 18px; font-weight: 600; font-family: var(--font-display); letter-spacing: -0.01em; }
.industry-tag span { font-size: 14.5px; color: var(--text-3); line-height: 1.55; }
.industry-tag:hover {
  border-color: rgba(97, 78, 250, 0.4);
  box-shadow: 0 12px 32px rgba(97, 78, 250, 0.10);
  transform: translateY(-3px);
  color: var(--text) !important;
}
@media (max-width: 1023px) { .industry-row { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 767px) { .industry-row { grid-template-columns: 1fr; } }

/* ============================================================
   HOME — closing CTA (violet panel)
   ============================================================ */
.cta-band {
  border-radius: var(--radius);
  padding: 88px 48px;
  text-align: center;
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, #614EFA, #4B3AE0);
  border: none;
}
.cta-band::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.07) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 80% 100% at 50% 0%, black, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse 80% 100% at 50% 0%, black, transparent 80%);
  pointer-events: none;
}
.cta-band h2 { font-size: clamp(30px, 4.4vw, 50px); position: relative; color: #fff; }
.cta-band p { color: rgba(255, 255, 255, 0.82); margin-top: 18px; font-size: 18px; position: relative; }
.cta-band .hero__ctas { margin-top: 36px; position: relative; }
.cta-band .btn--primary { background: #fff; color: var(--green) !important; }
.cta-band .btn--primary:hover { background: #F0EDFF; }

/* ============================================================
   COMPUTE — spec cards
   ============================================================ */
.spec-card { display: flex; flex-direction: column; }
.spec-card--soon { opacity: 0.95; }

.spec-card__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 22px;
  margin-bottom: 22px;
  border-bottom: 1px solid var(--line);
}
.spec-card__name { font-family: var(--font-mono); font-size: 22px; font-weight: 600; letter-spacing: -0.01em; }
.spec-card__bestfor {
  font-family: var(--font-mono);
  font-size: 13.5px;
  color: var(--text-3);
  line-height: 1.65;
  margin-bottom: 20px;
}
.spec-card__bestfor b { color: var(--green); font-weight: 500; }

.spec-list {
  list-style: none;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  flex-grow: 1;
}
.spec-list li {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 18px;
  padding: 11px 2px;
  border-bottom: 1px solid var(--line-soft);
}
.spec-list li:last-child { border-bottom: none; }
.spec-list .k { color: var(--text-3); flex: none; min-width: 100px; letter-spacing: 0.02em; }
.spec-list .v { color: var(--text); font-family: var(--font-mono); font-size: 14.5px; text-align: right; }

.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 6px 13px;
  border-radius: 999px;
  white-space: nowrap;
}
.tag--gold { color: var(--green); background: rgba(97, 78, 250, 0.07); border: 1px solid rgba(97, 78, 250, 0.28); }
.tag--teal { color: var(--text-2); background: rgba(0, 0, 0, 0.035); border: 1px solid var(--line); }

.price-tag {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-top: auto;
  padding: 20px;
  border-radius: 14px;
  background: var(--bg);
  border: 1px solid var(--line);
}
.price-tag__num {
  font-family: var(--font-display);
  font-size: 30px;
  font-weight: 600;
  color: var(--text);
  letter-spacing: -0.02em;
  white-space: nowrap;
}
.price-tag__num small { font-size: 14.5px; color: var(--text-3); font-weight: 400; letter-spacing: 0; font-family: var(--font-mono); }
.price-tag .btn { width: 100%; padding: 12px 18px; font-size: 15.5px; }

.plat-section { padding: 90px 0; border-top: 1px solid var(--line); }
.plat-section:first-of-type { border-top: none; }

/* tab bar — segmented control */
.tab-bar {
  display: flex;
  gap: 6px;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 44px;
  padding: 6px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--panel);
  width: fit-content;
  margin-left: auto;
  margin-right: auto;
}
.tab-bar button {
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 500;
  color: var(--text-2);
  background: transparent;
  border: 1px solid transparent;
  border-radius: 999px;
  padding: 11px 24px;
  cursor: pointer;
  position: relative;
  transition: all 0.25s ease;
}
.tab-bar button::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 4px;
  width: 0;
  height: 2px;
  border-radius: 2px;
  background: currentColor;
  transform: translateX(-50%);
  transition: width 0.25s ease;
}
.tab-bar button:hover { color: var(--text); background: rgba(0, 0, 0, 0.04); }
.tab-bar button:hover::after { width: 32%; }
.tab-bar button.is-active {
  color: #fff;
  background: var(--green);
  border-color: var(--green);
  font-weight: 600;
  box-shadow: 0 6px 20px rgba(97, 78, 250, 0.35);
}
.tab-bar button.is-active::after { width: 0; }

/* config option picker */
.cfg-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; }
.cfg-col h4 {
  font-family: var(--font-mono);
  font-size: 12.5px;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 14px;
}
.cfg-col ul { list-style: none; display: grid; gap: 8px; }
.cfg-col li {
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--bg);
  padding: 11px 13px;
  font-family: var(--font-mono);
  font-size: 13.5px;
  color: var(--text-2);
  text-align: center;
}
.cfg-col li.is-hot { color: var(--green); border-color: rgba(97, 78, 250, 0.4); background: rgba(97, 78, 250, 0.04); }
@media (max-width: 1023px) { .cfg-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .cfg-grid { grid-template-columns: 1fr; } }

/* steps */
.steps-flow { counter-reset: step; }
.step-row {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 24px;
  align-items: start;
  padding: 28px 0;
  border-bottom: 1px solid var(--line-soft);
}
.step-row:last-child { border-bottom: none; }
.step-num {
  width: 44px; height: 44px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 600;
  color: var(--green);
  background: rgba(97, 78, 250, 0.06);
  border: 1px solid rgba(97, 78, 250, 0.25);
}
.step-row h3 { font-size: 18px; font-weight: 600; margin-bottom: 7px; padding-top: 9px; }
.step-row p { color: var(--text-2); font-size: 16px; max-width: 640px; }

/* ============================================================
   SOLUTIONS — challenge quote + mini cards
   ============================================================ */
.sol-block { padding: 96px 0; border-top: 1px solid var(--line); }
.sol-block:first-of-type { border-top: none; }

.sol-head { display: block; margin-bottom: 34px; }
.sol-head__title { display: flex; align-items: flex-start; gap: 20px; }
.sol-head__title .card__icon { width: 54px; height: 54px; flex: none; margin-bottom: 0; }
.sol-head__title h2 { font-size: clamp(26px, 3.4vw, 40px); padding-top: 5px; }
.sol-index {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text-3);
  letter-spacing: 0.18em;
  display: block;
  margin-bottom: 14px;
}

.challenge-strip {
  display: flex;
  align-items: center;
  gap: 28px;
  border-left: 2px solid var(--green);
  padding: 8px 0 8px 30px;
  margin-bottom: 52px;
}
.challenge-strip__label {
  font-family: var(--font-mono);
  font-size: 12.5px;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--green);
  white-space: nowrap;
  flex: none;
}
.challenge-strip p { color: var(--text-2); font-size: 18px; line-height: 1.7; max-width: 880px; }
@media (max-width: 640px) {
  .challenge-strip { flex-direction: column; align-items: flex-start; gap: 12px; padding-left: 20px; }
}

.sol-value {
  margin-top: 40px;
  display: flex;
  gap: 18px;
  align-items: flex-start;
  border-radius: var(--radius);
  padding: 30px 32px;
  border: 1px solid rgba(97, 78, 250, 0.3);
  background: rgba(97, 78, 250, 0.04);
}
.sol-value svg { width: 22px; height: 22px; color: var(--green); flex: none; margin-top: 3px; }
.sol-value p { color: var(--text-2); font-size: 16.5px; }
.sol-value p b { color: var(--text); }

.sol-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 20px; }
.sol-mini {
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--bg);
  padding: 28px 26px;
  transition: border-color 0.25s ease, box-shadow 0.25s ease, transform 0.25s ease;
}
.sol-mini:hover { border-color: #CFCFCF; box-shadow: 0 12px 32px rgba(0, 0, 0, 0.06); transform: translateY(-3px); }
.sol-mini h3 { font-size: 17px; font-weight: 600; margin-bottom: 10px; display: flex; gap: 10px; align-items: center; }
.sol-mini h3 svg { width: 17px; height: 17px; color: var(--green); flex: none; }
.sol-mini p { color: var(--text-2); font-size: 15px; line-height: 1.6; }

/* trust panel */
.trust-panel {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  padding: 56px 48px;
}
.trust-panel h2 { font-size: clamp(26px, 3.2vw, 38px); margin-bottom: 18px; }
.trust-panel p { color: var(--text-2); font-size: 17.5px; max-width: 880px; }
.trust-panel p b { color: var(--text); }

/* ============================================================
   PRICING — minimal hairline tables
   ============================================================ */
.table-wrap {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  overflow-x: auto;
  background: var(--bg);
}
.pricing-table { width: 100%; border-collapse: collapse; min-width: 720px; }
.pricing-table th, .pricing-table td { padding: 20px 26px; text-align: left; font-size: 16px; }
.pricing-table thead th {
  font-family: var(--font-mono);
  font-size: 12.5px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-3);
  background: var(--bg-2);
  border-bottom: 1px solid var(--line);
  white-space: nowrap;
}
.pricing-table tbody tr { border-bottom: 1px solid var(--line-soft); }
.pricing-table tbody tr:last-child { border-bottom: none; }
.pricing-table tbody tr:hover { background: rgba(0, 0, 0, 0.018); }
.pricing-table tbody td { color: var(--text-2); vertical-align: middle; }
.pricing-table .name { font-weight: 600; color: var(--text); font-family: var(--font-mono); font-size: 16.5px; white-space: nowrap; }
.pricing-table .val { font-family: var(--font-mono); font-size: 15px; color: var(--text-2); white-space: nowrap; }
.pricing-table .price {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 21px;
  color: var(--green);
  white-space: nowrap;
  letter-spacing: -0.02em;
}
.pricing-table small { display: block; color: var(--text-3); font-size: 13px; margin-top: 6px; }
.pricing-table--center th, .pricing-table--center td { text-align: center; }

/* checklist */
.check-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px 32px; }
.check-item { display: flex; gap: 13px; align-items: flex-start; color: var(--text-2); font-size: 16.5px; }
.check-item svg {
  width: 20px; height: 20px;
  flex: none;
  color: var(--green);
  margin-top: 3px;
}
@media (max-width: 767px) { .check-grid { grid-template-columns: 1fr; } }

/* FAQ — hairline rows */
.faq-list { display: grid; gap: 0; border-top: 1px solid var(--line); }
details.faq {
  border: none;
  border-bottom: 1px solid var(--line);
  background: transparent;
  border-radius: 0;
  overflow: hidden;
}
details.faq summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 22px 4px;
  font-weight: 600;
  font-size: 17px;
  color: var(--text);
  transition: color 0.2s ease;
}
details.faq summary:hover { color: var(--green); }
details.faq summary::-webkit-details-marker { display: none; }
details.faq summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 24px;
  font-weight: 400;
  color: var(--text-3);
  flex: none;
  transition: transform 0.2s ease, color 0.2s ease;
}
details.faq[open] summary::after { transform: rotate(45deg); color: var(--green); }
details.faq p { padding: 0 40px 24px 4px; color: var(--text-2); font-size: 16px; }

/* note strip */
.note-strip {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  font-size: 15px;
  color: var(--text-3);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 18px 22px;
  background: var(--bg-2);
}
.note-strip svg { width: 16px; height: 16px; flex: none; color: var(--text-3); margin-top: 3px; }
.note-strip a { color: var(--green) !important; }

/* ============================================================
   BLOG — article grid
   ============================================================ */
.article-card {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  color: var(--text) !important;
  padding: 0;
}
.article-card:hover { color: var(--text) !important; }
.article-card__thumb {
  aspect-ratio: 16 / 9;
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  background: var(--bg-2);
}
.article-card__thumb svg {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  transition: transform 0.6s ease;
}
.article-card:hover .article-card__thumb svg { transform: scale(1.04); }
.article-card__body { padding: 30px 30px 32px; display: flex; flex-direction: column; flex-grow: 1; }
.article-card__meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 16px;
}
.article-card__meta .cat { color: var(--green); }
.article-card h3 { font-size: 21px; font-weight: 600; line-height: 1.3; transition: color 0.2s ease; }
.article-card:hover h3 { color: var(--green); }
.article-card p { color: var(--text-2); font-size: 15.5px; margin-top: 13px; flex-grow: 1; }

/* ============================================================
   ARTICLE DETAIL
   ============================================================ */
.article {
  max-width: 740px;
  margin: 0 auto;
  padding: calc(var(--nav-h) + 88px) 32px 100px;
}
.article__meta {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-3);
}
.article__meta .cat { color: var(--green); }
.article h1 {
  font-size: clamp(34px, 5vw, 52px);
  font-weight: 600;
  letter-spacing: -0.035em;
  line-height: 1.1;
  margin: 24px 0 20px;
  color: var(--text);
}
.article__lede { color: var(--text-2); font-size: 21px; line-height: 1.65; margin-bottom: 14px; }
.article hr.sep { border: none; border-top: 1px solid var(--line); margin: 40px 0 44px; }

.article h2 {
  font-size: 27px;
  font-weight: 600;
  margin: 52px 0 18px;
  letter-spacing: -0.02em;
}
.article h3 { font-size: 20px; font-weight: 600; margin: 36px 0 14px; }
.article p { color: var(--text-2); font-size: 18px; margin-bottom: 20px; }
.article ul, .article ol { margin: 0 0 20px 24px; color: var(--text-2); font-size: 17.5px; display: grid; gap: 10px; }
.article li strong, .article p strong, .article li b { color: var(--text); font-weight: 600; }
.article table {
  width: 100%;
  border-collapse: collapse;
  margin: 28px 0;
  font-size: 15.5px;
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
}
.article th {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-3);
  text-align: left;
  padding: 13px 16px;
  border-bottom: 1px solid var(--line);
  background: var(--bg-2);
}
.article td { padding: 13px 16px; border-bottom: 1px solid var(--line-soft); color: var(--text-2); }
.article tr:last-child td { border-bottom: none; }
.article td:first-child { color: var(--text); font-weight: 500; }

.article code {
  font-family: var(--font-mono);
  font-size: 15px;
  background: rgba(97, 78, 250, 0.06);
  border: 1px solid rgba(97, 78, 250, 0.18);
  color: var(--green-dim);
  padding: 2px 8px;
  border-radius: 6px;
}

.callout {
  border: 1px solid rgba(97, 78, 250, 0.3);
  background: rgba(97, 78, 250, 0.04);
  border-radius: 16px;
  padding: 26px 28px;
  margin: 32px 0;
}
.callout p { margin-bottom: 0; color: var(--text-2); font-size: 17px; }
.callout p + p { margin-top: 10px; }

.article-foot {
  margin-top: 60px;
  padding-top: 32px;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

/* ============================================================
   ABOUT
   ============================================================ */
.about-lead {
  max-width: 820px;
  margin: 0 auto;
  color: var(--text-2);
  font-size: 19px;
}
.about-lead p + p { margin-top: 20px; }
.about-lead strong { color: var(--text); }

.vision-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.vision-card {
  border-radius: var(--radius);
  border: 1px solid var(--line);
  padding: 44px 40px;
  background: var(--panel);
}
.vision-card.v--v { border-color: rgba(97, 78, 250, 0.35); }
.vision-card.v--m { border-color: #D5D5D5; }
.vision-card h3 { display: flex; align-items: center; gap: 13px; font-size: 22px; margin-bottom: 16px; }
.vision-card h3 svg { width: 22px; height: 22px; color: var(--green); }
.vision-card p { color: var(--text-2); font-size: 17px; }
@media (max-width: 800px) { .vision-grid { grid-template-columns: 1fr; } }

.company-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  padding: 32px 34px;
  max-width: 820px;
  margin: 0 auto;
}
.company-card h3 {
  font-family: var(--font-mono);
  font-size: 12.5px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 16px;
}
.company-card p { color: var(--text-2); font-size: 16.5px; }
.company-card p b { color: var(--text); }

/* ============================================================
   CONTACT
   ============================================================ */
.contact-layout { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.95fr); gap: 64px; align-items: start; }
@media (max-width: 900px) { .contact-layout { grid-template-columns: 1fr; gap: 48px; } }

.form-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  padding: 44px 40px;
}
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 22px 18px; }
.form-field--full { grid-column: 1 / -1; }
@media (max-width: 640px) { .form-grid { grid-template-columns: 1fr; } }

.form-field label {
  display: block;
  font-size: 14.5px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 9px;
}
.form-field label .req { color: #E5484D; margin-left: 3px; }
.form-field label .opt { color: var(--text-3); font-weight: 400; font-size: 13px; }

.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  background: var(--bg);
  border: 1px solid #D5D5D5;
  border-radius: 10px;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  padding: 13px 16px;
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.form-field textarea { resize: vertical; min-height: 120px; }
.form-field input::placeholder, .form-field textarea::placeholder { color: var(--text-3); }
.form-field select { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%238C8C8C' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 15px center; padding-right: 42px; }
.form-field select option { background: var(--bg); color: var(--text); }
.form-field input:focus, .form-field select:focus, .form-field textarea:focus {
  border-color: var(--green);
  box-shadow: 0 0 0 3px rgba(97, 78, 250, 0.12);
}
.form-field select:invalid { color: var(--text-3); }

.form-status { display: none; margin-top: 18px; padding: 14px 17px; border-radius: 10px; font-size: 15px; }
.form-status.ok { display: block; background: rgba(97, 78, 250, 0.06); border: 1px solid rgba(97, 78, 250, 0.3); color: var(--green-dim); }
.form-status.err { display: block; background: rgba(229, 72, 77, 0.06); border: 1px solid rgba(229, 72, 77, 0.35); color: #C53035; }

/* timeline */
.next-steps h3 {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 30px;
}
.timeline { display: grid; gap: 0; position: relative; }
.timeline::before {
  content: "";
  position: absolute;
  left: 20px;
  top: 14px; bottom: 36px;
  width: 1px;
  background: var(--line);
}
.tl-step { display: grid; grid-template-columns: 42px 1fr; gap: 20px; padding-bottom: 34px; position: relative; }
.tl-step:last-child { padding-bottom: 0; }
.tl-dot {
  width: 42px; height: 42px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 14px;
  color: var(--green);
  background: var(--bg);
  border: 1px solid rgba(97, 78, 250, 0.35);
  position: relative;
  z-index: 1;
}
.tl-step h4 { font-size: 17px; font-weight: 600; padding-top: 9px; }
.tl-step p { color: var(--text-2); font-size: 15.5px; margin-top: 6px; }

/* alternate contact */
.alt-contact { display: flex; flex-wrap: wrap; gap: 18px; margin-top: 40px; }
.alt-card {
  display: flex;
  align-items: center;
  gap: 14px;
  border: 1px solid var(--line);
  background: var(--bg);
  border-radius: 14px;
  padding: 18px 24px;
  color: var(--text) !important;
  transition: border-color 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease;
}
.alt-card:hover { border-color: rgba(97, 78, 250, 0.4); transform: translateY(-2px); color: var(--text) !important; box-shadow: 0 10px 28px rgba(97, 78, 250, 0.09); }
.alt-card svg { width: 20px; height: 20px; color: var(--green); }
.alt-card b { display: block; font-size: 16px; }
.alt-card span { display: block; font-size: 13.5px; color: var(--text-3); font-family: var(--font-mono); max-width: 380px; }

/* success modal */
dialog.modal {
  border: 1px solid var(--line);
  border-radius: 20px;
  background: var(--bg);
  color: var(--text);
  padding: 44px 42px;
  max-width: 440px;
  width: calc(100% - 40px);
  margin: auto;
  text-align: center;
  box-shadow: 0 40px 120px rgba(0, 0, 0, 0.22);
}
dialog.modal::backdrop { background: rgba(38, 38, 38, 0.45); backdrop-filter: blur(3px); }
dialog.modal .ok-ring {
  width: 64px; height: 64px;
  margin: 0 auto 24px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  background: rgba(97, 78, 250, 0.08);
  border: 1px solid rgba(97, 78, 250, 0.35);
  color: var(--green);
}
dialog.modal .ok-ring svg { width: 28px; height: 28px; }
dialog.modal h3 { font-size: 23px; margin-bottom: 10px; }
dialog.modal p { color: var(--text-2); font-size: 16px; margin-bottom: 28px; }

/* ============================================================
   Small screens
   ============================================================ */
@media (max-width: 767px) {
  body { font-size: 16px; }
  .section { padding: 76px 0; }
  .section--tight { padding: 60px 0; }
  .container { padding: 0 22px; }
  .hero { min-height: auto; padding-bottom: 72px; }
  .cta-band { padding: 64px 26px; }
  .form-card { padding: 30px 24px; }
  .trust-panel { padding: 36px 26px; }
  .plat-section { padding: 64px 0; }
  .sol-block { padding: 68px 0; }
}