/* Author: Yogabrata Mukhopadhyay
   Organization: Brahmexa
   Copyright (c) 2026 Brahmexa. All rights reserved. */

/* JSI landing: static-first. No theme JS, particles, or widget required to render. */
:root {
  color-scheme: light;
  --ym-ink: #181c23;
  --ym-muted: #5c6570;
  --ym-line: #e6e8ec;
  --ym-red: #ae3024;
  --ym-cool: #6a8aa8;
  --ym-wash: #f7f8fa;
  --ym-max: 1200px;
  font-family: Inter, "Segoe UI", system-ui, -apple-system, sans-serif;
  color: var(--ym-ink);
  background: #fff;
}

* { box-sizing: border-box; }
html, body { margin: 0; background: #fff; }
body { min-height: 100vh; display: flex; flex-direction: column; }
a { color: inherit; text-decoration: none; }
a:focus-visible,
button:focus-visible,
summary:focus-visible {
  outline: 3px solid var(--ym-red);
  outline-offset: 4px;
}

.skip-link {
  position: absolute;
  top: -80px;
  left: 16px;
  z-index: 100;
  padding: 10px 14px;
  background: #fff;
  font-weight: 600;
}
.skip-link:focus { top: 10px; }

.jsi-banner {
  text-align: center;
  background: var(--ym-ink);
  color: #fff;
  padding: 6px 20px;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 600;
}

.jsi-header {
  border-bottom: 1px solid var(--ym-line);
  background: #fff;
  position: relative;
  z-index: 2;
}
.header-inner {
  max-width: var(--ym-max);
  margin: 0 auto;
  padding: 10px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.jsi-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}
.jsi-brand-mark {
  width: 36px;
  height: 36px;
  object-fit: contain;
  flex-shrink: 0;
}
.site-name {
  display: block;
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: -0.02em;
}
.site-tag { display: none; }
.jsi-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  font-size: 0.875rem;
  font-weight: 600;
}
.jsi-nav a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  color: var(--ym-muted);
}
.jsi-nav a:hover,
.jsi-nav a[aria-current="page"],
.footer-tag a:hover,
.ym-all-offerings:hover,
.ym-dest h3 a:hover,
.ym-dest-links a:hover { color: var(--ym-red); }
.jsi-menu-toggle { display: none; }

.jsi-main {
  flex: 1;
  max-width: var(--ym-max);
  width: 100%;
  margin: 0 auto;
  padding: 0 28px;
  position: relative;
  z-index: 1;
}

.jsi-home-hero {
  max-width: 38rem;
  padding: 32px 0 10px;
}
.jsi-home-hero h1 {
  font-size: clamp(2.15rem, 5vw, 3.55rem);
  line-height: 1.06;
  letter-spacing: -0.045em;
  margin: 0;
  font-weight: 700;
  overflow-wrap: anywhere;
}
.ym-accent { color: var(--ym-red); }
.home-intro {
  font-size: 1.05rem;
  color: var(--ym-muted);
  line-height: 1.5;
  margin: 14px 0 0;
}
.jsi-hero-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px 18px;
  margin-top: 20px;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 20px;
  border-radius: 4px;
  background: var(--ym-ink);
  color: #fff;
  font-weight: 600;
  font-size: 0.95rem;
}
.btn-primary:hover { background: var(--ym-red); }
.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 4px;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--ym-ink);
}
.btn-secondary:hover { color: var(--ym-red); }

.ym-infra { padding: 8px 0 0; }
.ym-infra-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 16px 32px;
  margin-bottom: 8px;
}
.ym-infra-kicker {
  margin: 0 0 6px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ym-red);
}
.ym-infra-head h2 {
  margin: 0;
  font-size: clamp(1.25rem, 2.4vw, 1.7rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.25;
  max-width: 18em;
}
.ym-capacity {
  margin: 0;
  text-align: right;
  max-width: 12em;
  font-size: 0.88rem;
  line-height: 1.35;
  color: var(--ym-muted);
}
.ym-capacity span {
  display: block;
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  font-weight: 700;
  letter-spacing: -0.04em;
  color: var(--ym-ink);
  line-height: 1.1;
  margin-bottom: 4px;
}

.ym-infra-plate {
  position: relative;
}
.ym-infra-figure {
  margin: 0;
  position: relative;
  overflow: visible;
  background:
    radial-gradient(120% 80% at 50% 40%, #fff 0%, #f4f6f8 55%, #fff 100%);
}
.ym-infra-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: contain;
  background: transparent;
}
.ym-infra-svg {
  position: absolute;
  inset: 0 auto auto 0;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  pointer-events: none;
  overflow: visible;
}
.ym-infra-svg path {
  fill: none;
  stroke: var(--ym-ink);
  stroke-width: 1.2;
  stroke-linecap: square;
  opacity: 0.28;
}
.ym-infra-svg .ym-lead-cool {
  stroke: var(--ym-cool);
  stroke-width: 1.8;
  opacity: 0.55;
}

.ym-mentha-note {
  position: absolute;
  left: 5%;
  top: 10%;
  bottom: auto;
  z-index: 3;
  margin: 0;
  padding: 5px 9px;
  max-width: 14rem;
  background: rgba(255, 255, 255, 0.94);
  border: 1px solid var(--ym-line);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--ym-ink);
}

.ym-layer-stack { display: none; }
.ym-layers { position: absolute; inset: 0; pointer-events: none; }
.ym-layer {
  position: absolute;
  pointer-events: auto;
  max-width: 16.5rem;
  z-index: 2;
}
.ym-layer--power { left: 3%; top: 46%; }
.ym-layer--compute { left: 34%; top: 28%; }
.ym-layer--connect { left: 48%; top: 8%; }
.ym-layer--data { left: 58%; top: 48%; }
.ym-layer--cool { left: 72%; top: 62%; }
.ym-layer details { margin: 0; }
.ym-layer summary {
  list-style: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 6px 10px;
  background: rgba(255, 255, 255, 0.94);
  border: 1px solid var(--ym-line);
  border-left: 3px solid var(--ym-red);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  box-shadow: 0 1px 0 rgba(24, 28, 35, 0.04);
}
.ym-layer--cool summary {
  border-left-color: var(--ym-cool);
  font-size: 0.9rem;
  min-height: 40px;
  padding: 8px 12px;
}
.ym-layer summary::-webkit-details-marker { display: none; }
.ym-layer summary::after {
  content: "";
  width: 0;
  height: 0;
  margin-left: 8px;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-top: 5px solid var(--ym-muted);
}
.ym-layer details[open] summary::after {
  border-top: 0;
  border-bottom: 5px solid var(--ym-muted);
}
.ym-layer details[open] { z-index: 4; position: relative; }
.ym-layer details p {
  margin: 0;
  padding: 10px 12px 12px;
  background: #fff;
  border: 1px solid var(--ym-line);
  border-top: 0;
  font-size: 0.84rem;
  line-height: 1.45;
  color: var(--ym-muted);
  box-shadow: 0 8px 24px rgba(24, 28, 35, 0.08);
}
.ym-layer-flag {
  margin: 6px 0 0;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--ym-ink);
  background: rgba(255, 255, 255, 0.94);
  border: 1px dashed var(--ym-cool);
  padding: 4px 8px;
  overflow-wrap: anywhere;
  max-width: 16rem;
}
.ym-layer--power .ym-layer-flag { border-color: var(--ym-red); }

.ym-infra-figure figcaption {
  margin: 0;
  padding: 8px 0 0;
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--ym-muted);
}

.ym-infra-legend {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  gap: 8px;
}
.ym-infra-legend li {
  display: grid;
  grid-template-columns: 14px 1fr;
  gap: 10px;
  align-items: start;
  font-size: 0.82rem;
  line-height: 1.45;
  color: var(--ym-muted);
}
.ym-swatch {
  width: 12px;
  height: 12px;
  margin-top: 4px;
  background: #2b3038;
}
.ym-swatch-future {
  background: transparent;
  border: 1.5px dashed var(--ym-cool);
}

.ym-story-link {
  display: block;
  width: min(42rem, 100%);
  height: 28px;
  margin: 8px auto 0;
}
.ym-story-link path {
  fill: none;
  stroke: var(--ym-red);
  stroke-width: 1.25;
}

.ym-outcomes { padding: 4px 0 8px; }
.ym-outcome-connect { display: none; }
.home-section-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 12px 24px;
  margin-bottom: 0;
  padding-bottom: 12px;
}
.home-section-head h2 {
  font-size: clamp(1.2rem, 2.3vw, 1.55rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--ym-ink);
  margin: 0;
  line-height: 1.25;
}
.ym-all-offerings {
  font-size: 0.875rem;
  font-weight: 600;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
  color: var(--ym-muted);
}

.ym-dest-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 2px solid var(--ym-red);
}
.ym-dest {
  min-width: 0;
  padding: 20px 28px 22px 0;
  border-bottom: 1px solid var(--ym-line);
}
.ym-dest + .ym-dest { padding-left: 28px; }
.ym-dest h3 {
  margin: 0 0 8px;
  font-size: 1.12rem;
  letter-spacing: -0.02em;
}
.ym-dest-line {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.4;
  color: var(--ym-muted);
}
.ym-dest-stat {
  margin: 12px 0 0;
  font-size: 0.88rem;
  color: var(--ym-ink);
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
}
.ym-dest-stat strong {
  font-size: 1.15rem;
  letter-spacing: -0.03em;
  margin-right: 4px;
}
.ym-dest-links {
  margin: 14px 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 14px;
}
.ym-dest-links a {
  font-size: 0.84rem;
  font-weight: 600;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  color: var(--ym-muted);
}

.ym-close {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  padding: 28px 0 40px;
}
.ym-close p {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  margin: 0;
  overflow-wrap: anywhere;
}

.jsi-footer {
  border-top: 1px solid var(--ym-line);
  padding: 18px 28px 24px;
  color: var(--ym-muted);
  font-size: 0.82rem;
  line-height: 1.6;
  position: relative;
  z-index: 1;
}
.jsi-footer p {
  max-width: var(--ym-max);
  margin: 0 auto;
}
.footer-tag { margin-top: 4px !important; }
.footer-tag a { font-weight: 600; }

@media (max-width: 980px) {
  .ym-layer--connect { left: 42%; }
  .ym-layer--data { left: 54%; max-width: 14rem; }
  .ym-layer--cool { left: 64%; }
}

@media (max-width: 720px) {
  .ym-infra-head {
    flex-direction: column;
    align-items: flex-start;
  }
  .ym-capacity { text-align: left; }
  .ym-infra-figure img { aspect-ratio: 4 / 3; }
  .ym-infra-svg,
  .ym-layers { display: none; }
  .ym-mentha-note {
    left: 3%;
    top: 8%;
    font-size: 0.68rem;
  }
  .ym-layer-stack {
    display: grid;
    gap: 0;
    margin-top: 8px;
    border-top: 1px solid var(--ym-line);
  }
  .ym-stack-item {
    padding: 14px 0;
    border-bottom: 1px solid var(--ym-line);
  }
  .ym-stack-item h3 {
    margin: 0 0 6px;
    font-size: 1rem;
    letter-spacing: -0.02em;
  }
  .ym-stack-item p {
    margin: 0;
    font-size: 0.92rem;
    line-height: 1.45;
    color: var(--ym-muted);
  }
  .ym-stack-item .ym-layer-flag {
    max-width: none;
    margin-top: 8px;
  }
  .ym-dest-row { grid-template-columns: 1fr; }
  .ym-dest + .ym-dest { padding-left: 0; }
  .ym-story-link { width: 70%; }
}

@media (max-width: 640px) {
  .header-inner {
    flex-wrap: wrap;
    padding: 8px 18px 2px;
    gap: 0;
  }
  .jsi-nav {
    width: 100%;
    gap: 18px;
    flex-wrap: nowrap;
    font-size: 0.82rem;
  }
  .jsi-nav a { min-height: 36px; }
  .jsi-main { padding: 0 18px; }
  .jsi-home-hero { padding: 18px 0 8px; }
  .home-intro { margin-top: 10px; }
  .jsi-hero-actions { margin-top: 14px; }
  .ym-close { padding: 22px 0 32px; }
  .jsi-footer { padding: 16px 18px 22px; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; }
}