/* Astraventa Global — diagonal slash + zigzag */
:root {
  --blue:      #4060b8;
  --blue-mid:  #4860b8;
  --blue-deep: #2a3f82;
  --navy:      #1a2748;
  --navy-2:    #15203c;
  --ice:       #e8f0f8;
  --pale:      #f5f8fc;
  --white:     #ffffff;
  --text:      #1c2a4a;
  --muted:     #5a6b88;
  --border:    #d5e0ee;
  --ink:       #f4f7fb;

  --radius:  18px;
  --maxw:    1140px;
  --ease:    cubic-bezier(.22, .61, .36, 1);
  --shadow:  0 22px 48px -28px rgba(26, 39, 72, .4);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  background: var(--white);
  color: var(--text);
  font-family: "Figtree", system-ui, -apple-system, "Segoe UI", sans-serif;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1, h2, h3, .brand-name, .btn, .zz-node, .ac-num {
  font-family: "Outfit", "Figtree", system-ui, sans-serif;
  letter-spacing: -0.02em;
  line-height: 1.12;
  margin: 0;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button, input, textarea { font: inherit; }

.container {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
}

.skip-link {
  position: absolute; left: -999px; top: 0; z-index: 200;
  background: var(--blue); color: #fff; padding: 10px 16px; font-weight: 600;
}
.skip-link:focus { left: 0; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 13px 26px; border-radius: 999px; font-weight: 600; font-size: 15px;
  border: 1px solid transparent; cursor: pointer;
  transition: transform .25s var(--ease), box-shadow .25s var(--ease),
    background .25s var(--ease), color .25s var(--ease), border-color .25s var(--ease);
}
.btn-primary {
  background: var(--blue); color: #fff;
  box-shadow: 0 12px 28px -12px rgba(64, 96, 184, .7);
}
.btn-ghost {
  background: transparent; color: #fff;
  border-color: rgba(244, 247, 251, .34);
}

/* Header */
.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 100;
  transition: background .3s var(--ease), border-color .3s var(--ease), box-shadow .3s var(--ease);
  border-bottom: 1px solid transparent;
}
.site-header.scrolled {
  background: rgba(255, 255, 255, .92);
  backdrop-filter: saturate(160%) blur(14px);
  border-bottom-color: var(--border);
  box-shadow: 0 6px 24px -18px rgba(26, 39, 72, .5);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between; height: 74px;
}
.brand { display: inline-flex; align-items: center; gap: 11px; }
.brand img { border-radius: 10px; background: #fff; }
.brand-name { font-size: 18px; font-weight: 600; letter-spacing: .01em; }

.site-header .brand-name { color: #fff; transition: color .3s var(--ease); }
.site-header .nav a { color: rgba(244, 247, 251, .82); }
.site-header .nav a:hover { color: #fff; }
.site-header .nav .nav-cta {
  color: #fff; border: 1px solid rgba(244, 247, 251, .34);
  padding: 8px 18px; border-radius: 999px;
}
.site-header .nav-toggle span { background: #fff; }

.site-header.scrolled .brand-name { color: var(--navy); }
.site-header.scrolled .nav a { color: var(--muted); }
.site-header.scrolled .nav a:hover { color: var(--text); }
.site-header.scrolled .nav .nav-cta { color: var(--navy); border-color: var(--border); }
.site-header.scrolled .nav-toggle span { background: var(--navy); }

.nav { display: flex; align-items: center; gap: 26px; }
.nav a { font-size: 15px; font-weight: 500; transition: color .2s var(--ease); }

.nav-toggle {
  display: none; flex-direction: column; gap: 5px;
  background: none; border: 0; cursor: pointer; padding: 8px;
}
.nav-toggle span {
  width: 24px; height: 2px; border-radius: 2px;
  transition: transform .3s var(--ease), opacity .3s var(--ease), background .3s var(--ease);
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ===== Diagonal slash hero ===== */
.hero {
  position: relative;
  min-height: 100svh;
  background: var(--navy);
  color: var(--ink);
  overflow: hidden;
  display: flex;
  align-items: center;
}
.hero-bg { position: absolute; inset: 0; pointer-events: none; }

.slash-ice {
  position: absolute; inset: 0;
  background:
    radial-gradient(circle at 78% 28%, rgba(64, 96, 184, .16), transparent 42%),
    linear-gradient(160deg, #f4f8fc 0%, var(--ice) 55%, #dce6f4 100%);
  clip-path: polygon(64% 0, 100% 0, 100% 100%, 36% 100%);
}

.slash-edge {
  position: absolute;
  top: -20%;
  left: 42%;
  width: 14px;
  height: 150%;
  background: linear-gradient(180deg, rgba(255,255,255,0), #fff 18%, var(--blue) 52%, #fff 82%, rgba(255,255,255,0));
  transform: rotate(-28deg);
  box-shadow: 0 0 28px rgba(64, 96, 184, .45);
  opacity: .95;
}

.slash-beam {
  position: absolute;
  top: -10%;
  left: -20%;
  width: 140%;
  height: 90px;
  background: linear-gradient(90deg, transparent 0%, rgba(255,255,255,.0) 30%, rgba(255,255,255,.7) 50%, rgba(64,96,184,.45) 62%, transparent 80%);
  transform: rotate(-28deg);
  filter: blur(6px);
  animation: slash-run 7.5s ease-in-out infinite;
}

.slash-line {
  position: absolute; inset: 0; width: 100%; height: 100%;
}
.slash-line line {
  stroke: rgba(255, 255, 255, .85);
  stroke-width: 2.4;
  stroke-dasharray: 18 14;
  animation: dash-move 18s linear infinite;
}

.hex-drift span {
  position: absolute;
  width: 34px; height: 38px;
  background: rgba(64, 96, 184, .18);
  clip-path: polygon(50% 0%, 93% 25%, 93% 75%, 50% 100%, 7% 75%, 7% 25%);
  animation: hex-float 9s ease-in-out infinite;
}
.hex-drift span:nth-child(1) { top: 12%; right: 8%; animation-delay: 0s; }
.hex-drift span:nth-child(2) { top: 22%; right: 22%; width: 22px; height: 25px; animation-delay: .6s; }
.hex-drift span:nth-child(3) { top: 38%; right: 6%; animation-delay: 1.2s; }
.hex-drift span:nth-child(4) { top: 48%; right: 18%; width: 18px; height: 21px; animation-delay: 1.8s; }
.hex-drift span:nth-child(5) { top: 62%; right: 10%; animation-delay: .4s; }
.hex-drift span:nth-child(6) { top: 74%; right: 24%; animation-delay: 2.2s; }
.hex-drift span:nth-child(7) { top: 18%; right: 36%; width: 16px; height: 18px; animation-delay: 1s; }
.hex-drift span:nth-child(8) { bottom: 12%; right: 8%; animation-delay: 2.8s; }
.hex-drift span:nth-child(9) { top: 8%; right: 28%; animation-delay: .2s; opacity: .7; }
.hex-drift span:nth-child(10) { bottom: 22%; right: 30%; animation-delay: 1.5s; }
.hex-drift span:nth-child(11) { top: 55%; right: 32%; width: 14px; height: 16px; animation-delay: 3s; }
.hex-drift span:nth-child(12) { bottom: 8%; right: 16%; animation-delay: .9s; }

@keyframes slash-run {
  0%   { transform: rotate(-28deg) translateX(-18%); opacity: 0; }
  12%  { opacity: .9; }
  50%  { transform: rotate(-28deg) translateX(18%); opacity: 1; }
  88%  { opacity: 0; }
  100% { transform: rotate(-28deg) translateX(22%); opacity: 0; }
}
@keyframes dash-move { to { stroke-dashoffset: -320; } }
@keyframes hex-float {
  0%, 100% { transform: translateY(0); opacity: .35; }
  50% { transform: translateY(-14px); opacity: .8; }
}

.hero-grid {
  position: relative; z-index: 2;
  display: grid;
  grid-template-columns: 1.08fr .92fr;
  gap: 40px;
  align-items: center;
  padding: 128px 0 88px;
  width: 100%;
}

.eyebrow {
  display: inline-block;
  font-size: 12px; letter-spacing: .2em; text-transform: uppercase;
  color: #c5d4f0; font-weight: 700; margin: 0 0 20px;
}
.hero h1 {
  font-size: clamp(2.35rem, 5.2vw, 4.1rem);
  font-weight: 650; color: #fff; max-width: 12ch;
}
.hero-sub {
  font-size: clamp(1.02rem, 1.6vw, 1.16rem);
  color: rgba(244, 247, 251, .82);
  margin: 22px 0 0; max-width: 46ch;
}
.hero-actions { display: flex; gap: 12px; margin-top: 34px; flex-wrap: wrap; }
.hero-facts {
  display: flex; flex-wrap: wrap; gap: 10px 22px;
  list-style: none; margin: 34px 0 0; padding: 0;
  color: rgba(244, 247, 251, .7); font-size: 13px; letter-spacing: .08em; text-transform: uppercase;
}
.hero-facts li { position: relative; padding-left: 14px; }
.hero-facts li::before {
  content: ""; position: absolute; left: 0; top: 7px;
  width: 7px; height: 7px;
  clip-path: polygon(50% 0%, 93% 25%, 93% 75%, 50% 100%, 7% 75%, 7% 25%);
  background: var(--blue);
}

.hero-aside { display: flex; justify-content: flex-end; }
.globe-panel {
  width: min(100%, 340px);
  background: rgba(255, 255, 255, .72);
  border: 1px solid rgba(64, 96, 184, .16);
  border-radius: 28px;
  padding: 28px 26px 22px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
}
.globe-mask {
  width: 240px; height: 240px; margin: 0 auto;
  border-radius: 50%;
  overflow: hidden;
  background: radial-gradient(circle at 40% 32%, #f8fbff, var(--ice));
  box-shadow: inset 0 0 0 2px rgba(64, 96, 184, .18);
}
.globe-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 6px;
  padding: 28px 18px;
  transform: rotate(-12deg) scale(1.15);
}
.globe-grid span {
  aspect-ratio: 1.05;
  background: var(--blue);
  clip-path: polygon(25% 0, 75% 0, 100% 50%, 75% 100%, 25% 100%, 0 50%);
  animation: hex-pulse 3.8s ease-in-out infinite;
  opacity: .92;
}
.globe-grid span:nth-child(3n) { background: #5a78c8; animation-delay: .35s; opacity: .7; }
.globe-grid span:nth-child(4n) { background: #2a3f82; animation-delay: .7s; opacity: .85; }
.globe-grid span:nth-child(5n) { background: #7a94d6; animation-delay: 1.1s; opacity: .55; }
.globe-grid span:nth-child(7n) { opacity: .28; animation-delay: 1.6s; }
@keyframes hex-pulse {
  0%, 100% { transform: scale(.92); }
  50% { transform: scale(1); }
}
.globe-caption {
  margin: 16px 0 0;
  text-align: center;
  font-size: 12px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--blue-deep);
  font-weight: 600;
}

/* Sections */
.section { padding: 104px 0; }
.section-alt { background: var(--pale); border-block: 1px solid var(--border); }
.kicker {
  font-size: 12px; letter-spacing: .18em; text-transform: uppercase;
  color: var(--blue); font-weight: 700; margin: 0 0 14px;
}
.kicker-light { color: #b8c8ee; }
.section-head { max-width: 680px; margin: 0 auto 64px; text-align: center; }
.section-head h2 { font-size: clamp(1.8rem, 3.5vw, 2.7rem); color: var(--navy); }
.section-head .lead { color: var(--muted); margin-top: 16px; font-size: 1.05rem; }

/* ===== Zigzag capability rows ===== */
.zz { position: relative; display: grid; gap: 18px; }
.zz-rail {
  position: absolute;
  left: 50%; top: 18px; bottom: 18px;
  width: 80px; height: auto;
  transform: translateX(-50%);
  pointer-events: none;
}
.zz-rail path {
  fill: none;
  stroke: var(--blue);
  stroke-width: 2;
  stroke-dasharray: 8 10;
  opacity: .45;
  animation: dash-move 22s linear infinite;
}

.zz-item {
  display: grid;
  grid-template-columns: 1fr 72px 1fr;
  gap: 22px;
  align-items: center;
}
.zz-l .zz-card { grid-column: 1; }
.zz-l .zz-node { grid-column: 2; }
.zz-l .zz-viz  { grid-column: 3; }
.zz-r .zz-viz  { grid-column: 1; }
.zz-r .zz-node { grid-column: 2; }
.zz-r .zz-card { grid-column: 3; }

.zz-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 30px;
  box-shadow: var(--shadow);
  transition: transform .3s var(--ease), border-color .3s var(--ease), box-shadow .3s var(--ease);
}
.zz-label {
  font-size: 11px; letter-spacing: .18em; text-transform: uppercase;
  color: var(--blue); font-weight: 700; margin: 0 0 10px;
}
.zz-card h3 { font-size: clamp(1.35rem, 2.4vw, 1.75rem); color: var(--navy); margin: 0 0 12px; }
.zz-card p { margin: 0; color: var(--muted); font-size: 1.02rem; }

.zz-node {
  width: 56px; height: 64px;
  margin: 0 auto;
  display: grid; place-items: center;
  background: var(--navy);
  color: #fff;
  clip-path: polygon(50% 0%, 93% 25%, 93% 75%, 50% 100%, 7% 75%, 7% 25%);
  font-size: 15px; font-weight: 700;
  box-shadow: 0 10px 24px -12px rgba(26, 39, 72, .6);
  position: relative; z-index: 2;
  transition: transform .3s var(--ease), background .3s var(--ease);
}

.zz-viz {
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 14px;
}
.zz-viz em {
  font-style: normal;
  font-family: "Outfit", sans-serif;
  font-size: 13px; letter-spacing: .12em; text-transform: uppercase;
  color: var(--blue-deep); font-weight: 600;
}
.hex-viz {
  width: min(100%, 280px);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  padding: 22px;
  border-radius: 22px;
  background: var(--ice);
  border: 1px solid var(--border);
  transition: transform .3s var(--ease), box-shadow .3s var(--ease);
}
.hex-viz span {
  aspect-ratio: 1.05;
  clip-path: polygon(25% 0, 75% 0, 100% 50%, 75% 100%, 25% 100%, 0 50%);
  background: var(--blue);
}
.hv-1 span:nth-child(odd) { background: #5a78c8; }
.hv-1 span:nth-child(3n) { background: #2a3f82; opacity: .85; }
.hv-2 span { background: #4860b8; }
.hv-2 span:nth-child(even) { background: #7a94d6; }
.hv-3 span { background: #2a3f82; }
.hv-3 span:nth-child(odd) { background: #4060b8; }
.hv-4 span { background: #5a78c8; }
.hv-4 span:nth-child(3n) { background: #1a2748; }

/* Approach (dark band) */
.approach {
  background: var(--navy);
  color: var(--ink);
  padding: 96px 0;
  position: relative;
  overflow: hidden;
}
.approach::before {
  content: "";
  position: absolute; inset: 0;
  background:
    linear-gradient(115deg, transparent 42%, rgba(64, 96, 184, .22) 50%, transparent 58%);
  pointer-events: none;
}
.approach-head {
  max-width: 680px; margin: 0 auto 52px; text-align: center; position: relative; z-index: 1;
}
.approach-head h2 { font-size: clamp(1.7rem, 3.2vw, 2.5rem); color: #fff; }
.approach-head p { color: rgba(244, 247, 251, .78); margin: 16px 0 0; }
.approach-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px;
  position: relative; z-index: 1;
}
.approach-card {
  background: rgba(255, 255, 255, .05);
  border: 1px solid rgba(244, 247, 251, .12);
  border-radius: var(--radius);
  padding: 30px 26px;
  transition: transform .3s var(--ease), background .3s var(--ease), border-color .3s var(--ease);
}
.ac-num {
  display: inline-block;
  font-size: 13px; letter-spacing: .14em;
  color: #c5d4f0; margin-bottom: 16px;
}
.approach-card h3 { color: #fff; font-size: 1.25rem; margin-bottom: 10px; }
.approach-card p { margin: 0; color: rgba(244, 247, 251, .76); font-size: .98rem; }

/* Who */
.who-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.who-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 28px;
  box-shadow: var(--shadow);
  transition: transform .3s var(--ease), border-color .3s var(--ease), box-shadow .3s var(--ease);
}
.who-card h3 { font-size: 1.28rem; color: var(--navy); margin-bottom: 10px; }
.who-card p { margin: 0; color: var(--muted); }

/* Quote */
.quote-section { text-align: center; }
.quote { margin: 0 auto; max-width: 820px; }
.quote blockquote {
  font-family: "Outfit", sans-serif;
  font-weight: 600;
  font-size: clamp(1.55rem, 3.4vw, 2.55rem);
  line-height: 1.28;
  letter-spacing: -.02em;
  color: var(--navy);
  margin: 8px 0 22px;
}
.quote figcaption {
  font-size: .9rem; letter-spacing: .16em; text-transform: uppercase;
  color: var(--muted); font-weight: 600;
}

/* FAQ */
.faq-wrap { display: grid; grid-template-columns: .8fr 1.2fr; gap: 48px; align-items: start; }
.faq-head { margin: 0; text-align: left; position: sticky; top: 100px; }
.faq-list { display: grid; gap: 12px; }
.faq-item {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color .3s var(--ease), transform .3s var(--ease), box-shadow .3s var(--ease);
}
.faq-item.open { border-color: var(--blue); }
.faq-q {
  width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 16px;
  background: none; border: 0; cursor: pointer; text-align: left; color: var(--text);
  font-family: "Outfit", sans-serif; font-size: 1.08rem; font-weight: 600; padding: 22px 24px;
}
.faq-ico { position: relative; flex: 0 0 auto; width: 16px; height: 16px; }
.faq-ico::before, .faq-ico::after {
  content: ""; position: absolute; background: var(--blue); border-radius: 2px;
  transition: transform .3s var(--ease), opacity .3s var(--ease);
}
.faq-ico::before { top: 7px; left: 0; width: 16px; height: 2px; }
.faq-ico::after { top: 0; left: 7px; width: 2px; height: 16px; }
.faq-item.open .faq-ico::after { transform: scaleY(0); opacity: 0; }
.faq-a { max-height: 0; overflow: hidden; transition: max-height .35s ease; }
.faq-item.open .faq-a { max-height: 320px; }
.faq-a p { color: var(--muted); margin: 0; padding: 0 24px 24px; font-size: .98rem; }

/* Contact */
.contact-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: start; }
.contact-copy h2 { font-size: clamp(1.8rem, 3.2vw, 2.5rem); margin-bottom: 16px; color: var(--navy); }
.contact-copy p { color: var(--muted); margin-bottom: 22px; }
.contact-email {
  display: inline-block;
  font-family: "Outfit", sans-serif;
  font-size: 1.2rem; color: var(--blue-deep);
  border-bottom: 1px solid transparent;
  transition: border-color .2s;
}
.contact-addr { margin-top: 22px; color: var(--muted); font-size: .98rem; line-height: 1.6; }
.contact-form {
  background: var(--pale);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  display: grid; gap: 18px;
  box-shadow: var(--shadow);
}
.field { display: grid; gap: 7px; }
.field label { font-size: 13px; color: var(--muted); font-weight: 500; }
.field input, .field textarea {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text);
  padding: 12px 14px;
  font-size: 15px;
  width: 100%;
  resize: vertical;
  transition: border-color .2s var(--ease), box-shadow .2s var(--ease);
}
.field input:focus, .field textarea:focus {
  outline: none;
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(64, 96, 184, .16);
}
.contact-form .btn { margin-top: 4px; justify-self: start; }

/* Footer */
.site-footer { background: var(--navy-2); color: var(--ink); padding: 0 0 30px; }
.footer-cta {
  text-align: center; padding: 74px 24px 60px;
  display: flex; flex-direction: column; align-items: center; gap: 28px;
  border-bottom: 1px solid rgba(244, 247, 251, .12);
}
.footer-cta h2 { font-size: clamp(1.7rem, 3.6vw, 2.6rem); color: #fff; max-width: 720px; }
.site-footer .brand-name { color: #fff; }
.footer-inner {
  display: flex; justify-content: space-between; align-items: flex-start;
  gap: 30px; flex-wrap: wrap; padding: 44px 0 34px;
  border-bottom: 1px solid rgba(244, 247, 251, .12);
}
.footer-tag { color: rgba(244, 247, 251, .7); margin: 14px 0 0; font-size: .95rem; }
.footer-nav { display: flex; gap: 26px; flex-wrap: wrap; }
.footer-nav a { color: rgba(244, 247, 251, .75); font-size: 15px; transition: color .2s; }
.footer-nav a:hover { color: #fff; }
.footer-bottom {
  display: flex; justify-content: space-between; gap: 14px; flex-wrap: wrap;
  color: rgba(244, 247, 251, .6); font-size: 14px; padding-top: 22px;
}

/* Reveal — hover transforms come after .in { transform: none } */
.js .reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity .7s var(--ease), transform .7s var(--ease);
}
.js .reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .js .reveal { opacity: 1; transform: none; transition: none; }
  .slash-beam, .slash-line line, .hex-drift span, .globe-grid span, .zz-rail path { animation: none; }
}

@media (hover: hover) and (pointer: fine) {
  .btn-primary:hover {
    transform: translateY(-2px);
    background: var(--blue-deep);
    box-shadow: 0 16px 32px -12px rgba(64, 96, 184, .8);
  }
  .btn-ghost:hover {
    transform: translateY(-2px);
    border-color: #fff;
    background: rgba(64, 96, 184, .22);
  }
  .site-header .nav .nav-cta:hover {
    border-color: #fff;
    background: rgba(64, 96, 184, .22);
  }
  .site-header.scrolled .nav .nav-cta:hover {
    border-color: var(--blue);
    color: var(--blue-deep);
    background: var(--ice);
  }
  .zz-card.in:hover,
  .zz-card:hover {
    transform: translateY(-6px);
    border-color: rgba(64, 96, 184, .35);
    box-shadow: 0 26px 50px -24px rgba(26, 39, 72, .45);
  }
  .zz-item:hover .zz-node { transform: scale(1.08); background: var(--blue); }
  .zz-item:hover .hex-viz { transform: translateY(-4px); box-shadow: var(--shadow); }
  .approach-card.in:hover,
  .approach-card:hover {
    transform: translateY(-6px);
    background: rgba(255, 255, 255, .09);
    border-color: rgba(244, 247, 251, .28);
  }
  .who-card.in:hover,
  .who-card:hover {
    transform: translateY(-6px);
    border-color: rgba(64, 96, 184, .35);
    box-shadow: 0 26px 50px -24px rgba(26, 39, 72, .45);
  }
  .faq-item:hover { border-color: rgba(64, 96, 184, .4); }
  .faq-q:hover { color: var(--blue-deep); }
  .contact-email:hover { border-bottom-color: var(--blue); }
}

/* Responsive */
@media (max-width: 980px) {
  .hero-grid { grid-template-columns: 1fr; gap: 36px; padding: 120px 0 64px; }
  .hero h1 { max-width: 16ch; }
  .slash-ice { clip-path: polygon(0 62%, 100% 48%, 100% 100%, 0 100%); }
  .slash-edge { left: auto; right: 18%; top: 36%; width: 10px; height: 90%; transform: rotate(-18deg); }
  .hero-aside { justify-content: flex-start; }
  .globe-panel { width: min(100%, 360px); }
  .zz-rail { display: none; }
}

@media (max-width: 900px) {
  .zz-item, .zz-l, .zz-r { grid-template-columns: 1fr; gap: 16px; }
  .zz-l .zz-card, .zz-l .zz-node, .zz-l .zz-viz,
  .zz-r .zz-card, .zz-r .zz-node, .zz-r .zz-viz { grid-column: 1; }
  .zz-node { margin: 8px auto; }
  .zz-item .zz-node { order: 1; }
  .zz-item .zz-card { order: 2; }
  .zz-item .zz-viz { order: 3; }
  .hex-viz { width: 100%; max-width: 360px; }
  .approach-grid, .who-grid { grid-template-columns: 1fr; }
  .faq-wrap { grid-template-columns: 1fr; gap: 28px; }
  .faq-head { position: static; }
  .contact-inner { grid-template-columns: 1fr; gap: 36px; }
}

@media (max-width: 720px) {
  .nav-toggle { display: flex; }
  .nav {
    position: fixed; inset: 74px 0 auto 0;
    flex-direction: column; gap: 0; align-items: stretch;
    background: rgba(21, 32, 60, .98);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid rgba(244, 247, 251, .12);
    padding: 12px 24px 22px;
    transform: translateY(-120%);
    transition: transform .35s var(--ease);
    z-index: 90;
    box-shadow: 0 12px 30px -18px rgba(0, 0, 0, .6);
  }
  .nav.open { transform: translateY(0); }
  .site-header .nav a,
  .site-header.scrolled .nav a {
    color: rgba(244, 247, 251, .9);
    padding: 14px 4px;
    font-size: 17px;
    border-bottom: 1px solid rgba(244, 247, 251, .1);
  }
  .site-header .nav .nav-cta,
  .site-header.scrolled .nav .nav-cta {
    text-align: center; margin-top: 12px;
    border: 1px solid var(--blue); color: #fff;
    background: rgba(64, 96, 184, .28);
  }
  .section { padding: 72px 0; }
  .approach { padding: 64px 0; }
  .hero-facts { gap: 8px 16px; }
}

@media (max-width: 480px) {
  .container { padding: 0 20px; }
  .hero { min-height: 0; }
  .hero-grid { padding: 110px 0 48px; gap: 28px; }
  .hero h1 { font-size: clamp(2rem, 9vw, 2.5rem); }
  .hero-sub { font-size: 1.02rem; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-actions .btn { width: 100%; }
  .globe-panel { width: 100%; padding: 22px 18px 18px; }
  .globe-mask { width: 200px; height: 200px; }
  .zz-card { padding: 24px 20px; }
  .contact-form { padding: 22px 18px; }
  .footer-inner, .footer-bottom { flex-direction: column; }
  .footer-cta { padding: 56px 20px 44px; }
  .approach-card, .who-card { padding: 24px 20px; }
  .hex-drift span:nth-child(n+7) { display: none; }
}