/* ==========================================================================
   Cloudy Technologies — Design System v2 (Kyndryl-inspired)
   Light theme · bold editorial type · warm signal accent
   ========================================================================== */

:root {
  --ink: #16161a;
  --ink-soft: #3d3d44;
  --gray-600: #5f5f68;
  --gray-400: #9a9aa4;
  --gray-200: #e4e4e9;
  --gray-100: #f2f2f5;
  --paper: #ffffff;
  --accent: #ff4b2e;
  --accent-dark: #d63a20;
  --dark-bg: #101014;
  --dark-bg-2: #1a1a21;
  --max-w: 1240px;
  --font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--paper);
  color: var(--ink);
  line-height: 1.6;
  font-size: 16.5px;
  -webkit-font-smoothing: antialiased;
}

img, svg { display: block; max-width: 100%; }

a { color: inherit; text-decoration: none; }

.container { width: min(var(--max-w), 92%); margin-inline: auto; }

/* --------------------------------------------------------------------------
   Typography
   -------------------------------------------------------------------------- */
h1, h2, h3, h4 {
  font-weight: 600;
  line-height: 1.12;
  letter-spacing: -0.025em;
  color: var(--ink);
}

h1 { font-size: clamp(2.4rem, 5.2vw, 3.9rem); font-weight: 550; }
h2 { font-size: clamp(1.8rem, 3.4vw, 2.6rem); }
h3 { font-size: 1.3rem; }

p { color: var(--ink-soft); }

.eyebrow {
  display: block;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink);
  margin-bottom: 0.9rem;
}
.eyebrow::after {
  content: "";
  display: block;
  width: 26px;
  height: 3px;
  background: var(--accent);
  margin-top: 0.55rem;
}

.lead { font-size: 1.15rem; color: var(--ink-soft); max-width: 46rem; }

/* Text link with chevron */
.tlink {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-weight: 550;
  font-size: 0.98rem;
  color: var(--ink);
  border-bottom: 1px solid transparent;
  transition: color 0.15s ease;
}
.tlink::after { content: "›"; font-size: 1.25em; line-height: 1; transition: transform 0.15s ease; color: var(--accent); }
.tlink:hover { color: var(--accent); }
.tlink:hover::after { transform: translateX(4px); }

/* --------------------------------------------------------------------------
   Header
   -------------------------------------------------------------------------- */
.utility-bar {
  display: flex;
  justify-content: flex-end;
  gap: 1.8rem;
  padding: 0.55rem 0 0;
  font-size: 0.85rem;
}
.utility-bar a { color: var(--gray-600); }
.utility-bar a:hover { color: var(--ink); }

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--gray-200);
}

.nav-wrap {
  display: flex;
  align-items: center;
  gap: 2.6rem;
  padding: 0.4rem 0 0.9rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: -0.02em;
  color: var(--ink);
}
.brand em { font-style: normal; color: var(--accent); }
.brand-mark { width: 34px; height: 34px; flex: none; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.9rem;
  list-style: none;
  flex: 1;
}

.nav-links > li { position: relative; }

.nav-links a {
  font-size: 0.97rem;
  font-weight: 500;
  color: var(--ink-soft);
  padding: 0.4rem 0;
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
}
.nav-links a:hover { color: var(--ink); }
.nav-links a[aria-current="page"] {
  color: var(--ink);
  box-shadow: inset 0 -2px 0 var(--accent);
}

/* Dropdown */
.has-menu > a::after {
  content: "";
  width: 7px; height: 7px;
  border-right: 1.6px solid currentColor;
  border-bottom: 1.6px solid currentColor;
  transform: rotate(45deg) translateY(-2px);
  margin-left: 0.15rem;
}
.menu {
  position: absolute;
  top: 100%;
  left: -1rem;
  min-width: 300px;
  background: var(--paper);
  border: 1px solid var(--gray-200);
  box-shadow: 0 18px 44px -18px rgba(22, 22, 26, 0.25);
  padding: 0.7rem 0;
  display: none;
  z-index: 50;
}
.has-menu:hover .menu,
.has-menu:focus-within .menu { display: block; }
.menu a {
  display: block;
  padding: 0.55rem 1.3rem;
  font-size: 0.94rem;
  color: var(--ink-soft);
}
.menu a:hover { background: var(--gray-100); color: var(--ink); }
.menu a span { display: block; font-size: 0.8rem; color: var(--gray-400); font-weight: 400; }

.nav-cta {
  margin-left: auto;
}
.nav-links a.btn-solid { color: #fff; }
.nav-links a.btn-solid:hover { background: var(--accent); color: #fff; }
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.72rem 1.5rem;
  font-weight: 550;
  font-size: 0.95rem;
  border: 1.5px solid var(--ink);
  color: var(--ink);
  background: transparent;
  cursor: pointer;
  transition: all 0.15s ease;
}
.btn:hover { background: var(--ink); color: #fff; }

.btn-solid { background: var(--ink); color: #fff; }
.btn-solid:hover { background: var(--accent); border-color: var(--accent); color: #fff; }

.btn-light { border-color: #fff; color: #fff; }
.btn-light:hover { background: #fff; color: var(--ink); }

.btn-accent { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn-accent:hover { background: var(--accent-dark); border-color: var(--accent-dark); }

.nav-toggle {
  display: none;
  background: none;
  border: 0;
  cursor: pointer;
  color: var(--ink);
  padding: 0.4rem;
  margin-left: auto;
}

/* --------------------------------------------------------------------------
   Hero
   -------------------------------------------------------------------------- */
.hero {
  position: relative;
  color: #fff;
  background:
    radial-gradient(1100px 600px at 82% 20%, rgba(255, 75, 46, 0.28), transparent 60%),
    radial-gradient(900px 700px at 15% 100%, rgba(47, 84, 235, 0.25), transparent 55%),
    linear-gradient(160deg, #141419 0%, #1c1c26 55%, #101014 100%);
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.045) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 80% 80% at 70% 30%, black 20%, transparent 72%);
  pointer-events: none;
}
.hero .container { position: relative; padding: clamp(5rem, 11vw, 9rem) 0 clamp(4rem, 9vw, 7.5rem); width: min(var(--max-w), 92%); margin-inline: auto; }
.hero h1 { color: #fff; max-width: 13.5em; margin-bottom: 1.3rem; }
.hero .lead { color: rgba(255,255,255,0.82); margin-bottom: 2.4rem; }
.hero-ctas { display: flex; flex-wrap: wrap; gap: 1rem; }

/* Page hero (interior) */
.page-hero .container { padding: clamp(3.8rem, 8vw, 6rem) 0 clamp(3rem, 6vw, 5rem); }

/* Anchor sub-nav */
.subnav {
  background: var(--gray-100);
  border-bottom: 1px solid var(--gray-200);
  position: sticky;
  top: 0;
  z-index: 90;
  overflow-x: auto;
}
.subnav ul {
  display: flex;
  gap: 2.2rem;
  list-style: none;
  padding: 0.95rem 0;
  white-space: nowrap;
}
.subnav a { font-size: 0.92rem; font-weight: 500; color: var(--ink-soft); }
.subnav a:hover { color: var(--accent); }

/* --------------------------------------------------------------------------
   Sections
   -------------------------------------------------------------------------- */
.section { padding: clamp(3.8rem, 8vw, 6.5rem) 0; }
.section-tight { padding: clamp(2.6rem, 5vw, 4rem) 0; }
.section-gray { background: var(--gray-100); }
.section-dark { background: var(--dark-bg); color: #fff; }
.section-dark h2, .section-dark h3 { color: #fff; }
.section-dark p { color: rgba(255,255,255,0.75); }
.section-dark .eyebrow { color: rgba(255,255,255,0.9); }

.section-head { max-width: 52rem; margin-bottom: 2.8rem; }
.section-head h2 { margin-bottom: 0.9rem; }

/* Split 50/50 */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: center;
}
.split-media {
  min-height: 420px;
  display: grid;
  place-items: center;
  padding: 2.5rem;
  text-align: center;
}
.split-media.accent { background: var(--accent); }
.split-media.dark {
  background:
    radial-gradient(500px 320px at 70% 20%, rgba(255,75,46,0.35), transparent 60%),
    var(--dark-bg-2);
}
.split-media .big-word {
  font-size: clamp(2rem, 4.4vw, 3.4rem);
  font-weight: 550;
  letter-spacing: -0.03em;
  color: #fff;
  line-height: 1.1;
}

/* Cards */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.6rem; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.6rem; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 1.6rem; }

.card {
  background: var(--paper);
  border: 1px solid var(--gray-200);
  border-top: 3px solid var(--ink);
  padding: 1.9rem 1.7rem 1.7rem;
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
  transition: border-color 0.18s ease, transform 0.18s ease, box-shadow 0.18s ease;
}
.card:hover {
  border-top-color: var(--accent);
  transform: translateY(-4px);
  box-shadow: 0 22px 44px -24px rgba(22,22,26,0.28);
}
.card h3 { margin-bottom: 0.1rem; }
.card p { font-size: 0.96rem; flex: 1; }
.card .tlink { margin-top: 0.4rem; }

.card-tag {
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
}

/* Story cards (dark) */
.story-card {
  background: var(--dark-bg-2);
  border: 1px solid rgba(255,255,255,0.09);
  padding: 2rem 1.8rem;
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
}
.story-card .stat {
  font-size: 2.4rem;
  font-weight: 600;
  letter-spacing: -0.03em;
  color: #fff;
}
.story-card .stat small {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent);
  margin-top: 0.3rem;
}
.story-card p { font-size: 0.96rem; flex: 1; }
.story-card .tlink { color: #fff; }

/* Checklist */
.checklist { list-style: none; display: grid; gap: 0.85rem; margin-top: 1.5rem; }
.checklist li { display: flex; gap: 0.75rem; align-items: flex-start; color: var(--ink-soft); }
.checklist li::before {
  content: "";
  flex: none;
  width: 9px; height: 9px;
  background: var(--accent);
  margin-top: 0.5rem;
}
.section-dark .checklist li { color: rgba(255,255,255,0.82); }

/* Partner bar */
.partner-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem 2.8rem;
}
.partner-bar .label {
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gray-600);
  margin-right: 1rem;
}
.partner-chip {
  font-size: 1.12rem;
  font-weight: 650;
  letter-spacing: -0.01em;
  color: var(--gray-600);
}

/* FAQ */
.faq { max-width: 54rem; }
.faq details { border-bottom: 1px solid var(--gray-200); }
.faq details:first-of-type { border-top: 1px solid var(--gray-200); }
.faq summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 1.25rem 0.2rem;
  font-weight: 550;
  font-size: 1.05rem;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+";
  font-size: 1.5rem;
  font-weight: 400;
  color: var(--accent);
  line-height: 1;
  transition: transform 0.2s ease;
}
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { padding: 0 0.2rem 1.3rem; max-width: 46rem; }

/* CTA band */
.cta-band {
  background: var(--accent);
  color: #fff;
  padding: clamp(2.6rem, 6vw, 4.2rem);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.6rem;
}
.cta-band h2 { color: #fff; margin-bottom: 0.4rem; }
.cta-band p { color: rgba(255,255,255,0.9); max-width: 36rem; }

/* Article (insights) */
.article { max-width: 46rem; }
.article p { margin-bottom: 1.25rem; font-size: 1.05rem; line-height: 1.75; }
.article h2 { font-size: 1.6rem; margin: 2.4rem 0 1rem; }
.article .meta { font-size: 0.88rem; color: var(--gray-600); margin-bottom: 2rem; }

/* --------------------------------------------------------------------------
   Forms
   -------------------------------------------------------------------------- */
.form-grid { display: grid; gap: 1.15rem; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1.15rem; }

label {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  margin-bottom: 0.4rem;
}

input, textarea, select {
  width: 100%;
  padding: 0.78rem 0.95rem;
  background: var(--paper);
  border: 1.5px solid var(--gray-200);
  color: var(--ink);
  font-family: inherit;
  font-size: 0.97rem;
  transition: border-color 0.15s ease;
}
input:focus, textarea:focus, select:focus {
  outline: none;
  border-color: var(--ink);
}
textarea { resize: vertical; min-height: 140px; }

.form-status { display: none; padding: 0.9rem 1.1rem; font-size: 0.95rem; font-weight: 500; }
.form-status.success { display: block; background: #eefaf2; border: 1px solid #7ed8a2; color: #1c7c46; }
.form-status.error { display: block; background: #fdefec; border: 1px solid #f5b0a3; color: #c0331a; }

/* Contact info */
.contact-list { list-style: none; display: grid; gap: 1.5rem; }
.contact-list strong { display: block; font-size: 0.82rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--gray-600); margin-bottom: 0.15rem; }
.contact-list a:hover { color: var(--accent); }

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */
.site-footer {
  background: var(--dark-bg);
  color: rgba(255,255,255,0.75);
  padding: 3.6rem 0 2rem;
  font-size: 0.93rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 2.5rem;
  margin-bottom: 2.8rem;
}
.footer-grid h4 {
  font-size: 0.8rem;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.5);
  margin-bottom: 1rem;
  font-weight: 600;
}
.footer-grid ul { list-style: none; display: grid; gap: 0.55rem; }
.footer-grid a:hover { color: var(--accent); }
.footer-about .brand { color: #fff; margin-bottom: 0.9rem; }
.footer-about p { color: rgba(255,255,255,0.55); max-width: 24rem; }

.socials { display: flex; gap: 0.8rem; margin-top: 1.2rem; }
.socials a {
  width: 38px; height: 38px;
  display: grid; place-items: center;
  border: 1px solid rgba(255,255,255,0.25);
  color: rgba(255,255,255,0.8);
  transition: all 0.15s ease;
}
.socials a:hover { border-color: var(--accent); color: var(--accent); }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.14);
  padding-top: 1.6rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.8rem;
  color: rgba(255,255,255,0.45);
  font-size: 0.86rem;
}

/* --------------------------------------------------------------------------
   Responsive
   -------------------------------------------------------------------------- */
@media (max-width: 960px) {
  .grid-3, .grid-4 { grid-template-columns: 1fr 1fr; }
  .split { grid-template-columns: 1fr; }
  .split-media { min-height: 280px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }

  .nav-toggle { display: block; }
  .utility-bar { display: none; }
  .nav-links {
    position: absolute;
    top: 100%;
    left: 0; right: 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    background: var(--paper);
    border-bottom: 1px solid var(--gray-200);
    display: none;
    padding: 0.6rem 4% 1.2rem;
  }
  .nav-links.open { display: flex; }
  .nav-links > li { width: 100%; }
  .nav-links a { display: flex; padding: 0.8rem 0.2rem; font-size: 1.02rem; width: 100%; }
  .menu { position: static; display: block; border: 0; box-shadow: none; padding: 0 0 0 1rem; min-width: 0; }
  .menu a { padding: 0.45rem 0.2rem; }
  .nav-cta { margin: 0.8rem 0 0; }
}

@media (max-width: 620px) {
  .grid-3, .grid-4, .grid-2, .footer-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .hero-ctas .btn { width: 100%; justify-content: center; }
}

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

/* --------------------------------------------------------------------------
   v3 additions: photos, tabs, cookie banner
   -------------------------------------------------------------------------- */
.split-media.photo { padding: 0; overflow: hidden; position: relative; }
.split-media.photo img { width: 100%; height: 100%; object-fit: cover; position: absolute; inset: 0; }
.split-media.photo figcaption {
  position: absolute; left: 0; right: 0; bottom: 0;
  padding: 1.1rem 1.4rem;
  background: linear-gradient(transparent, rgba(10,10,14,0.82));
  color: #fff; font-size: 0.88rem; text-align: left;
}

.card-img { margin: -1.9rem -1.7rem 0.4rem; height: 170px; overflow: hidden; }
.card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.35s ease; }
.card:hover .card-img img { transform: scale(1.045); }

.photo-band { position: relative; min-height: 340px; overflow: hidden; }
.photo-band img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.photo-band .band-caption {
  position: relative; z-index: 1;
  background: rgba(16,16,20,0.72);
  color: #fff; max-width: 34rem;
  padding: 2rem 2.2rem; margin: 4.5rem 0;
}
.photo-band .band-caption p { color: rgba(255,255,255,0.85); }

/* Engagement tabs */
.tabs { border: 1px solid var(--gray-200); background: var(--paper); }
.tab-list { display: flex; border-bottom: 1px solid var(--gray-200); overflow-x: auto; }
.tab-btn {
  flex: 1; min-width: 140px;
  padding: 1.05rem 1.2rem;
  background: var(--gray-100);
  border: 0; border-right: 1px solid var(--gray-200);
  font-family: inherit; font-size: 0.95rem; font-weight: 600;
  color: var(--gray-600); cursor: pointer;
  transition: all 0.15s ease;
  text-align: left;
}
.tab-btn:last-child { border-right: 0; }
.tab-btn small { display: block; font-size: 0.72rem; letter-spacing: 0.12em; color: var(--accent); font-weight: 650; margin-bottom: 0.15rem; }
.tab-btn.active { background: var(--paper); color: var(--ink); box-shadow: inset 0 3px 0 var(--accent); }
.tab-panel { display: none; padding: 2rem 2.2rem; }
.tab-panel.active { display: grid; grid-template-columns: 1.4fr 1fr; gap: 2.5rem; align-items: center; }
.tab-panel .metric { font-size: 2.6rem; font-weight: 650; letter-spacing: -0.03em; color: var(--ink); }
.tab-panel .metric small { display: block; font-size: 0.85rem; font-weight: 500; letter-spacing: 0.06em; text-transform: uppercase; color: var(--gray-600); margin-top: 0.3rem; }
@media (max-width: 700px) { .tab-panel.active { grid-template-columns: 1fr; } }

/* Cookie banner */
.cookie-banner {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 999;
  background: var(--ink); color: rgba(255,255,255,0.88);
  padding: 1.15rem 0;
  box-shadow: 0 -12px 40px rgba(0,0,0,0.28);
}
.cookie-inner {
  width: min(var(--max-w), 92%); margin-inline: auto;
  display: flex; flex-wrap: wrap; align-items: center; gap: 1rem 2rem;
}
.cookie-inner p { flex: 1 1 480px; font-size: 0.87rem; line-height: 1.55; color: rgba(255,255,255,0.85); margin: 0; }
.cookie-actions { display: flex; gap: 0.7rem; flex-wrap: wrap; align-items: center; }
.cookie-actions .btn { padding: 0.6rem 1.2rem; font-size: 0.88rem; }
.cookie-close {
  background: none; border: 0; color: rgba(255,255,255,0.6);
  font-size: 1.5rem; line-height: 1; cursor: pointer; padding: 0.3rem 0.5rem;
}
.cookie-close:hover { color: #fff; }