/* ============================================================
   cardgate® product site — design system
   ============================================================ */
:root {
  /* Palette */
  --bg: #050b16;
  --bg-2: #0a1422;
  --surface: #0e1a2e;
  --surface-2: #142440;
  --line: rgba(122, 168, 224, 0.14);
  --line-strong: rgba(122, 168, 224, 0.28);

  --ink: #e9f0fa;
  --ink-2: #b4c5dd;
  --mute: #7a8da8;
  --dim: #56688a;

  --brand: #4a8fd1;       /* cardgate light blue */
  --brand-2: #2a6fb5;     /* cardgate mid */
  --brand-deep: #1f3a6b;  /* cardgate deep navy */
  --cyan: #5fd4ff;        /* accent glow */
  --signal: #6fffb3;      /* go-state */

  /* Type */
  --f-display: "Montserrat", ui-sans-serif, system-ui, sans-serif;
  --f-body: "Inter", ui-sans-serif, system-ui, sans-serif;
  --f-mono: "JetBrains Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;

  /* Layout */
  --r-xs: 6px;
  --r-sm: 10px;
  --r: 16px;
  --r-lg: 22px;
  --container: 1240px;
  --gutter: clamp(20px, 4vw, 56px);

  /* Shadows */
  --glow-brand: 0 0 60px -10px rgba(74, 143, 209, 0.55);
  --glow-cyan: 0 0 80px -20px rgba(95, 212, 255, 0.6);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--f-body);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
  background-image:
    radial-gradient(900px 600px at 85% 5%, rgba(95, 163, 224, 0.28), transparent 60%),
    radial-gradient(700px 500px at 5% 25%, rgba(74, 143, 209, 0.22), transparent 65%),
    radial-gradient(800px 600px at 90% 55%, rgba(31, 75, 140, 0.32), transparent 60%),
    radial-gradient(900px 700px at 10% 75%, rgba(95, 212, 255, 0.12), transparent 65%),
    radial-gradient(700px 500px at 60% 95%, rgba(74, 143, 209, 0.18), transparent 65%),
    linear-gradient(180deg, #061328 0%, #050b16 40%, #07142a 70%, #050b16 100%);
  background-attachment: fixed;
}

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

::selection { background: var(--brand); color: white; }

/* ---------- Reusable ---------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding-inline: var(--gutter);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cyan);
  padding: 8px 14px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: rgba(95, 212, 255, 0.04);
}
.eyebrow .dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--signal);
  box-shadow: 0 0 12px var(--signal);
  animation: pulse 1.8s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.55; transform: scale(0.85); }
}

h1, h2, h3, h4 {
  font-family: var(--f-display);
  font-weight: 600;
  letter-spacing: -0.02em;
  margin: 0;
  color: var(--ink);
  text-wrap: balance;
}
h1 { font-size: clamp(40px, 6.4vw, 88px); line-height: 0.98; letter-spacing: -0.035em; }
h2 { font-size: clamp(30px, 4vw, 54px); line-height: 1.02; letter-spacing: -0.03em; }
h3 { font-size: clamp(20px, 1.8vw, 26px); line-height: 1.15; }
h4 { font-size: 18px; line-height: 1.2; }

p { margin: 0; color: var(--ink-2); text-wrap: pretty; }
.lead { font-size: clamp(17px, 1.4vw, 20px); color: var(--ink-2); max-width: 60ch; }

.section { padding-block: clamp(80px, 10vw, 140px); position: relative; }

/* Soft blue accents in alternating sections */
.section:nth-of-type(odd)::before {
  content: "";
  position: absolute;
  top: 10%; right: -10%;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(95, 163, 224, 0.10), transparent 65%);
  pointer-events: none;
  z-index: 0;
  filter: blur(20px);
}
.section:nth-of-type(even)::before {
  content: "";
  position: absolute;
  bottom: 5%; left: -10%;
  width: 700px; height: 700px;
  background: radial-gradient(circle, rgba(74, 143, 209, 0.10), transparent 65%);
  pointer-events: none;
  z-index: 0;
  filter: blur(20px);
}
.section > .container { position: relative; z-index: 1; }
.section-head {
  display: flex; flex-direction: column; gap: 18px;
  margin-bottom: clamp(40px, 5vw, 64px);
  max-width: 760px;
}
.section-head.center { margin-inline: auto; align-items: center; text-align: center; }

.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 14px 22px;
  border-radius: 999px;
  font-weight: 500;
  font-size: 15px;
  letter-spacing: -0.005em;
  border: 1px solid transparent;
  transition: transform .2s ease, background .2s ease, border-color .2s ease, color .2s ease;
  white-space: nowrap;
}
.btn-primary {
  background: linear-gradient(180deg, #5fa3e0 0%, #2a6fb5 100%);
  color: white;
  box-shadow: var(--glow-brand), inset 0 1px 0 rgba(255,255,255,0.25);
}
.btn-primary:hover { transform: translateY(-1px); }
.btn-ghost {
  background: rgba(255,255,255,0.02);
  color: var(--ink);
  border-color: var(--line-strong);
}
.btn-ghost:hover { background: rgba(255,255,255,0.05); border-color: var(--brand); }
.btn .arrow { transition: transform .2s ease; }
.btn:hover .arrow { transform: translateX(3px); }

/* ---------- Background grid overlay ---------- */
.grid-bg {
  position: absolute; inset: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(122,168,224,0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(122,168,224,0.06) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 30%, black 30%, transparent 80%);
  z-index: 0;
}

/* =========================================
   NAV
   ========================================= */
.nav {
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  background: rgba(5, 11, 22, 0.65);
  border-bottom: 1px solid var(--line);
}
.nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 68px;
}
.nav-logo { display: flex; align-items: center; gap: 10px; }
.nav-logo img { height: 26px; }
.logo-img {
  height: 30px;
  width: auto;
  display: block;
}
.nav-logo .logo-img { height: 28px; }
.nav-links { display: flex; gap: 28px; }
.nav-links a {
  font-size: 14px; color: var(--ink-2);
  transition: color .15s ease;
}
.nav-links a:hover { color: var(--ink); }
.nav-cta { display: flex; align-items: center; gap: 12px; }
@media (max-width: 860px) {
  .nav-links { display: none; }
}

/* =========================================
   HERO
   ========================================= */
.hero {
  position: relative;
  padding-top: clamp(60px, 8vw, 110px);
  padding-bottom: clamp(60px, 8vw, 100px);
  overflow: hidden;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: clamp(40px, 6vw, 80px);
  align-items: center;
  position: relative;
  z-index: 1;
}
@media (max-width: 980px) {
  .hero-grid { grid-template-columns: 1fr; }
}

.hero h1 .accent {
  background: linear-gradient(135deg, var(--cyan) 0%, var(--brand) 60%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero h1 .strike { font-style: italic; font-weight: 400; color: var(--ink-2); }
.hero .lead { margin-top: 28px; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 36px; }
.hero-meta {
  margin-top: 40px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  max-width: 540px;
}
.hero-meta .m {
  border-top: 1px solid var(--line);
  padding-top: 14px;
}
.hero-meta .m .v {
  font-family: var(--f-display);
  font-size: clamp(22px, 2.4vw, 28px);
  letter-spacing: -0.02em;
  color: var(--ink);
}
.hero-meta .m .v .unit { color: var(--brand); font-size: 0.6em; margin-left: 2px; }
.hero-meta .m .l {
  font-family: var(--f-mono); font-size: 11px;
  color: var(--mute); text-transform: uppercase; letter-spacing: 0.12em;
  margin-top: 4px;
}

/* product visual */
.hero-visual {
  position: relative;
  aspect-ratio: 1 / 1;
  display: grid; place-items: center;
}
.hero-visual .rings {
  position: absolute; inset: 0;
  display: grid; place-items: center;
}
.hero-visual .ring {
  position: absolute;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  width: 100%; height: 100%;
  opacity: 0.45;
}
.hero-visual .ring.r1 { width: 92%; height: 92%; }
.hero-visual .ring.r2 { width: 70%; height: 70%; }
.hero-visual .ring.r3 { width: 50%; height: 50%; }

.hero-visual .nfc-wave {
  position: absolute;
  border: 2px solid var(--cyan);
  border-radius: 50%;
  width: 14%; height: 14%;
  opacity: 0;
  animation: nfc 3.2s ease-out infinite;
  filter: drop-shadow(0 0 12px var(--cyan));
}
.hero-visual .nfc-wave.w2 { animation-delay: 1.1s; }
.hero-visual .nfc-wave.w3 { animation-delay: 2.2s; }
@keyframes nfc {
  0% { transform: scale(0.5); opacity: 0; }
  20% { opacity: 0.85; }
  100% { transform: scale(7); opacity: 0; }
}

.hero-visual .glow {
  position: absolute;
  width: 86%; height: 86%;
  background:
    radial-gradient(circle, rgba(150, 200, 255, 0.45) 0%, rgba(95, 212, 255, 0.18) 35%, transparent 70%);
  filter: blur(50px);
}
.hero-visual .glow-inner {
  position: absolute;
  width: 60%; height: 60%;
  background: radial-gradient(circle, rgba(220, 235, 255, 0.32) 0%, transparent 65%);
  filter: blur(30px);
  border-radius: 50%;
}
.hero-visual .product {
  position: relative;
  width: 78%;
  filter: drop-shadow(0 30px 50px rgba(0,0,0,0.55)) drop-shadow(0 0 30px rgba(74,143,209,0.25));
  z-index: 2;
  animation: float 6s ease-in-out infinite;
}
@keyframes float {
  0%, 100% { transform: translateY(0) rotate(-1deg); }
  50% { transform: translateY(-12px) rotate(1deg); }
}

.hero-visual .corner {
  position: absolute;
  width: 28px; height: 28px;
  border: 1.5px solid var(--brand);
  opacity: 0.7;
}
.hero-visual .corner.tl { top: 0; left: 0; border-right: none; border-bottom: none; }
.hero-visual .corner.tr { top: 0; right: 0; border-left: none; border-bottom: none; }
.hero-visual .corner.bl { bottom: 0; left: 0; border-right: none; border-top: none; }
.hero-visual .corner.br { bottom: 0; right: 0; border-left: none; border-top: none; }

.hero-visual .tag {
  position: absolute;
  font-family: var(--f-mono);
  font-size: 10px;
  color: var(--cyan);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  display: flex; align-items: center; gap: 6px;
  z-index: 3;
}
.hero-visual .tag::before {
  content: ""; width: 6px; height: 6px;
  border-radius: 50%; background: var(--cyan);
  box-shadow: 0 0 10px var(--cyan);
}
.hero-visual .tag.t1 { top: 6%; left: 0; }
.hero-visual .tag.t2 { bottom: 12%; right: 0; }
.hero-visual .tag.t3 { top: 50%; right: -2%; }

/* =========================================
   TRUST STRIP
   ========================================= */
.trust {
  border-block: 1px solid var(--line);
  padding-block: 22px;
  background: rgba(255,255,255,0.015);
}
.trust-inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 24px; flex-wrap: wrap;
  font-family: var(--f-mono); font-size: 12px;
  color: var(--mute); text-transform: uppercase; letter-spacing: 0.14em;
}
.trust-inner .pill {
  display: inline-flex; align-items: center; gap: 8px;
}
.trust-inner .pill::before {
  content: ""; width: 5px; height: 5px; background: var(--brand); border-radius: 50%;
}

/* =========================================
   HOW IT WORKS — flow
   ========================================= */
.flow {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  position: relative;
  list-style: none;
  padding: 0;
  margin: 0;
}
.flow-step { list-style: none; }
.flow::before {
  content: "";
  position: absolute;
  top: 56px; left: 8%; right: 8%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--line-strong) 10%, var(--line-strong) 90%, transparent);
  z-index: 0;
}
.flow-step {
  position: relative;
  padding: 28px 22px;
  background: linear-gradient(180deg, var(--surface) 0%, rgba(14,26,46,0.4) 100%);
  border: 1px solid var(--line);
  border-radius: var(--r);
  z-index: 1;
}
.flow-step .num {
  font-family: var(--f-mono);
  font-size: 11px; color: var(--cyan);
  letter-spacing: 0.18em;
  margin-bottom: 10px;
}
.flow-step .icon {
  width: 48px; height: 48px;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(74,143,209,0.16), rgba(95,212,255,0.05));
  border: 1px solid var(--line-strong);
  display: grid; place-items: center;
  margin-bottom: 18px;
  color: var(--cyan);
}
.flow-step h3 { margin-bottom: 8px; font-size: 18px; }
.flow-step p { font-size: 14px; color: var(--ink-2); }
@media (max-width: 900px) {
  .flow { grid-template-columns: 1fr 1fr; }
  .flow::before { display: none; }
}
@media (max-width: 560px) {
  .flow { grid-template-columns: 1fr; }
}

/* =========================================
   FEATURE GRID
   ========================================= */
.features {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 16px;
}
.feature {
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 32px;
  background: linear-gradient(180deg, rgba(20,36,64,0.45) 0%, rgba(14,26,46,0.2) 100%);
  position: relative;
  overflow: hidden;
  transition: border-color .25s ease, transform .25s ease;
}
.feature:hover { border-color: var(--line-strong); transform: translateY(-2px); }
.feature::before {
  content: "";
  position: absolute; inset: 0;
  background: radial-gradient(400px 200px at var(--mx, 50%) var(--my, 0%), rgba(74,143,209,0.12), transparent 70%);
  pointer-events: none;
  opacity: 0; transition: opacity .25s ease;
}
.feature:hover::before { opacity: 1; }
.feature .icon {
  width: 44px; height: 44px;
  margin-bottom: 22px;
  color: var(--cyan);
}
.feature h3 { margin-bottom: 10px; }
.feature p { font-size: 15px; }
.feature .tag {
  display: inline-block; margin-top: 16px;
  font-family: var(--f-mono); font-size: 11px;
  color: var(--mute); letter-spacing: 0.12em; text-transform: uppercase;
  padding: 5px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
}

.feature.span-3 { grid-column: span 3; }
.feature.span-2 { grid-column: span 2; }
.feature.span-4 { grid-column: span 4; }

@media (max-width: 900px) {
  .features { grid-template-columns: 1fr 1fr; }
  .feature.span-3, .feature.span-2, .feature.span-4 { grid-column: span 2; }
}
@media (max-width: 560px) {
  .features { grid-template-columns: 1fr; }
  .feature.span-3, .feature.span-2, .feature.span-4 { grid-column: span 1; }
}

/* =========================================
   TECH SPECS
   ========================================= */
.specs {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: clamp(40px, 6vw, 80px);
  align-items: start;
}
@media (max-width: 900px) { .specs { grid-template-columns: 1fr; } }

.specs-table {
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
  background: linear-gradient(180deg, rgba(20,36,64,0.35) 0%, rgba(14,26,46,0.1) 100%);
}
.specs-row {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  padding: 18px 24px;
  border-bottom: 1px solid var(--line);
  align-items: center;
  gap: 16px;
}
.specs-row:last-child { border-bottom: none; }
.specs-row .k {
  font-family: var(--f-mono);
  font-size: 12px;
  color: var(--mute);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.specs-row .v {
  font-family: var(--f-body);
  color: var(--ink);
  font-size: 15px;
}
.specs-row .v code {
  font-family: var(--f-mono);
  font-size: 13px;
  color: var(--cyan);
  background: rgba(95,212,255,0.06);
  padding: 2px 6px;
  border-radius: 4px;
}

.specs-aside {
  position: sticky; top: 100px;
}
.specs-aside .badge-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-top: 22px;
}
.spec-badge {
  border: 1px solid var(--line);
  border-radius: var(--r);
  padding: 22px;
  background: linear-gradient(180deg, rgba(20,36,64,0.5) 0%, rgba(14,26,46,0.2) 100%);
}
.spec-badge .big {
  font-family: var(--f-display);
  font-size: 36px;
  letter-spacing: -0.02em;
  color: var(--ink);
}
.spec-badge .big .u { color: var(--brand); font-size: 0.55em; margin-left: 3px; }
.spec-badge .lbl {
  font-family: var(--f-mono); font-size: 11px;
  color: var(--mute); text-transform: uppercase; letter-spacing: 0.12em;
  margin-top: 6px;
}

/* =========================================
   STANDARDS MARQUEE
   ========================================= */
.standards {
  border-block: 1px solid var(--line);
  padding-block: 60px;
  overflow: hidden;
}
.marquee {
  display: flex; gap: 14px;
  animation: scroll 40s linear infinite;
  width: max-content;
}
.marquee-wrap { mask-image: linear-gradient(90deg, transparent, black 8%, black 92%, transparent); }
@keyframes scroll {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}
.standard-chip {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 12px 22px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  font-family: var(--f-mono);
  font-size: 13px;
  color: var(--ink);
  background: rgba(20,36,64,0.4);
  white-space: nowrap;
}
.standard-chip::before {
  content: ""; width: 6px; height: 6px;
  background: var(--cyan);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--cyan);
}

/* =========================================
   PRICING
   ========================================= */
.pricing-tabs {
  display: inline-flex;
  padding: 5px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface);
  margin-bottom: 40px;
}
.pricing-tab {
  padding: 10px 20px;
  background: transparent;
  border: 0;
  color: var(--ink-2);
  border-radius: 999px;
  font-size: 14px;
  transition: all .2s ease;
}
.pricing-tab.active {
  background: linear-gradient(180deg, #5fa3e0 0%, #2a6fb5 100%);
  color: white;
  box-shadow: 0 4px 20px -8px rgba(74,143,209,0.6);
}

.tier-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.tier-grid.four { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 1000px) {
  .tier-grid, .tier-grid.four { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 620px) {
  .tier-grid, .tier-grid.four { grid-template-columns: 1fr; }
}

.tier {
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 32px 28px;
  background: linear-gradient(180deg, rgba(20,36,64,0.5) 0%, rgba(14,26,46,0.1) 100%);
  position: relative;
  display: flex; flex-direction: column;
  transition: border-color .2s ease, transform .2s ease;
}
.tier:hover { border-color: var(--line-strong); }
.tier.featured {
  border-color: var(--brand);
  background:
    radial-gradient(400px 250px at 50% -20%, rgba(74,143,209,0.18), transparent),
    linear-gradient(180deg, rgba(20,36,64,0.5) 0%, rgba(14,26,46,0.1) 100%);
}
.tier.featured::before {
  content: "Empfohlen";
  position: absolute; top: -12px; left: 50%; transform: translateX(-50%);
  font-family: var(--f-mono);
  font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase;
  padding: 5px 12px; border-radius: 999px;
  background: linear-gradient(180deg, #5fa3e0 0%, #2a6fb5 100%);
  color: white;
}
.tier .name {
  font-family: var(--f-display);
  font-size: 22px;
  letter-spacing: -0.01em;
}
.tier .desc {
  font-size: 13px; color: var(--mute); margin-top: 4px;
  min-height: 38px;
}
.tier .price {
  font-family: var(--f-display);
  font-size: clamp(36px, 4vw, 48px);
  letter-spacing: -0.025em;
  margin-top: 22px;
  display: flex; align-items: baseline; gap: 6px;
}
.tier .price .ccy {
  font-family: var(--f-mono); font-size: 14px;
  color: var(--mute); letter-spacing: 0.08em;
}
.tier .price .sub {
  font-family: var(--f-body); font-size: 14px; color: var(--mute);
  font-weight: 400;
}
.tier .ek {
  font-family: var(--f-mono); font-size: 12px;
  color: var(--cyan); letter-spacing: 0.08em;
  margin-top: 6px;
}
.tier ul {
  list-style: none; padding: 0; margin: 28px 0;
  display: flex; flex-direction: column; gap: 12px;
  flex-grow: 1;
}
.tier ul li {
  display: flex; align-items: flex-start; gap: 10px;
  font-size: 14px; color: var(--ink-2);
}
.tier ul li svg { flex-shrink: 0; margin-top: 2px; color: var(--brand); }
.tier .btn { width: 100%; justify-content: center; }

/* SaaS specifics */
.tier.saas { padding: 26px 22px; }
.tier.saas .price { font-size: 36px; }

/* Volume note */
.vol-note {
  margin-top: 28px;
  padding: 18px 22px;
  border: 1px dashed var(--line-strong);
  border-radius: var(--r);
  font-size: 14px;
  color: var(--ink-2);
  display: flex; align-items: center; gap: 14px;
  flex-wrap: wrap;
}
.vol-note strong { color: var(--ink); }
.vol-note .pct {
  font-family: var(--f-mono);
  color: var(--cyan);
  padding: 2px 8px;
  border: 1px solid var(--line-strong);
  border-radius: 4px;
  font-size: 12px;
}

/* =========================================
   FAQ
   ========================================= */
.faq {
  display: grid; gap: 12px;
  max-width: 880px;
  margin-inline: auto;
}
.faq-item {
  border: 1px solid var(--line);
  border-radius: var(--r);
  background: rgba(20,36,64,0.3);
  overflow: hidden;
  transition: border-color .2s ease;
}
.faq-item[open] { border-color: var(--line-strong); }
.faq-item summary {
  list-style: none;
  padding: 22px 24px;
  cursor: pointer;
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px;
  font-family: var(--f-display);
  font-weight: 500;
  font-size: 17px;
  color: var(--ink);
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary .plus {
  width: 20px; height: 20px;
  position: relative; flex-shrink: 0;
  color: var(--brand);
  transition: transform .25s ease;
}
.faq-item[open] summary .plus { transform: rotate(45deg); }
.faq-item .body {
  padding: 0 24px 24px;
  color: var(--ink-2);
  font-size: 15px;
  max-width: 70ch;
}

/* =========================================
   CTA FINAL
   ========================================= */
.cta-final {
  position: relative;
  border-top: 1px solid var(--line);
  padding-block: clamp(80px, 10vw, 140px);
  overflow: hidden;
}
.cta-final::before {
  content: "";
  position: absolute; inset: 0;
  background:
    radial-gradient(800px 400px at 50% 100%, rgba(74,143,209,0.22), transparent 70%);
  pointer-events: none;
}
.cta-final-inner {
  position: relative; z-index: 1;
  text-align: center;
  display: flex; flex-direction: column; align-items: center; gap: 24px;
}
.cta-final h2 { max-width: 16ch; }
.cta-final .actions { display: flex; gap: 14px; flex-wrap: wrap; justify-content: center; }

/* =========================================
   FOOTER
   ========================================= */
.footer {
  border-top: 1px solid var(--line);
  padding-block: 48px 36px;
  font-size: 13px;
  color: var(--mute);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}
@media (max-width: 720px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
.footer-col h4 {
  font-family: var(--f-mono);
  font-size: 11px; letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--mute);
  margin-bottom: 14px;
  font-weight: 400;
}
.footer-col ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 8px; }
.footer-col a { color: var(--ink-2); transition: color .15s ease; }
.footer-col a:hover { color: var(--brand); }
.footer-col img { height: 28px; margin-bottom: 16px; }
.footer-col p { font-size: 13px; color: var(--mute); max-width: 30ch; }
.footer-bot {
  display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap;
  padding-top: 24px; border-top: 1px solid var(--line);
}

/* =========================================
   Reveal on scroll
   ========================================= */
.reveal {
  opacity: 0; transform: translateY(20px);
  transition: opacity .7s ease, transform .7s ease;
}
.reveal.in {
  opacity: 1; transform: none;
}

/* =========================================
   MODAL — Demo anfragen
   ========================================= */
.modal-backdrop {
  position: fixed; inset: 0;
  background: rgba(2, 6, 14, 0.7);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex;
  justify-content: center;
  align-items: flex-start;
  padding: clamp(20px, 6vh, 80px) 16px 40px;
  overflow-y: auto;
  z-index: 100;
  opacity: 0;
  pointer-events: none;
  transition: opacity .25s ease;
}
.modal-backdrop.open { opacity: 1; pointer-events: auto; }

.modal {
  width: 100%;
  max-width: 460px;
  background: linear-gradient(180deg, #0e1a2e 0%, #0a1422 100%);
  border: 1px solid var(--line-strong);
  border-radius: var(--r-lg);
  padding: 26px 28px;
  position: relative;
  box-shadow:
    0 30px 80px -20px rgba(0, 0, 0, 0.7),
    0 0 60px -10px rgba(74, 143, 209, 0.35),
    inset 0 1px 0 rgba(255, 255, 255, 0.05);
  transform: translateY(20px) scale(0.96);
  opacity: 0;
  transition: transform .35s cubic-bezier(.2,.9,.3,1.1), opacity .25s ease;
  margin: auto 0;
}
.modal-backdrop.open .modal { transform: none; opacity: 1; }

.modal-close {
  position: absolute; top: 16px; right: 16px;
  width: 34px; height: 34px;
  border-radius: 50%;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--ink-2);
  display: grid; place-items: center;
  transition: border-color .15s ease, color .15s ease, background .15s ease;
}
.modal-close:hover {
  border-color: var(--brand);
  color: var(--ink);
  background: rgba(74, 143, 209, 0.08);
}

.modal h3 {
  font-family: var(--f-display);
  font-size: 22px;
  letter-spacing: -0.025em;
  margin-bottom: 4px;
  padding-right: 28px;
}
.modal .subhead {
  font-size: 13px;
  color: var(--mute);
  margin-bottom: 18px;
}

.form-grid {
  display: grid;
  gap: 10px;
}
.field { display: flex; flex-direction: column; gap: 4px; }
.field label {
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--mute);
}
.field label .req { color: var(--cyan); margin-left: 3px; }
.field input,
.field textarea {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  padding: 10px 13px;
  color: var(--ink);
  font-family: var(--f-body);
  font-size: 14px;
  transition: border-color .15s ease, background .15s ease;
  width: 100%;
}
.field input:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--brand);
  background: rgba(74, 143, 209, 0.06);
}
.field input::placeholder,
.field textarea::placeholder { color: var(--dim); }
.field textarea {
  resize: vertical;
  min-height: 56px;
  font-family: var(--f-body);
}
.field .optional {
  font-family: var(--f-mono);
  font-size: 10px;
  color: var(--dim);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-left: 6px;
}

.modal .submit { width: 100%; justify-content: center; margin-top: 6px; }

.modal .privacy {
  font-size: 11.5px;
  color: var(--dim);
  margin-top: 10px;
  text-align: center;
  line-height: 1.5;
}
.modal .privacy a { color: var(--ink-2); text-decoration: underline; text-underline-offset: 2px; }

/* Success state */
.modal-success {
  display: none;
  text-align: center;
  padding: 12px 0;
}
.modal.success .modal-form { display: none; }
.modal.success .modal-success { display: block; }
.modal-success .checkmark {
  width: 64px; height: 64px;
  margin: 0 auto 22px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(111, 255, 179, 0.2), rgba(111, 255, 179, 0.04) 70%);
  border: 1px solid rgba(111, 255, 179, 0.4);
  display: grid; place-items: center;
  color: var(--signal);
  animation: checkPulse 1.4s ease-out;
}
@keyframes checkPulse {
  0% { transform: scale(0.6); opacity: 0; }
  60% { transform: scale(1.06); opacity: 1; }
  100% { transform: scale(1); }
}
.modal-success h4 {
  font-family: var(--f-display);
  font-size: 22px;
  margin-bottom: 8px;
}
.modal-success p { color: var(--ink-2); font-size: 14px; }

body.modal-open { overflow: hidden; }

/* =========================================
   SUBPAGE — page hero + breadcrumbs
   ========================================= */
.page-hero {
  position: relative;
  padding-top: clamp(60px, 8vw, 100px);
  padding-bottom: clamp(40px, 5vw, 60px);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}
.page-hero::before {
  content: "";
  position: absolute; inset: 0;
  background:
    radial-gradient(800px 400px at 70% 20%, rgba(95, 163, 224, 0.18), transparent 65%),
    radial-gradient(600px 400px at 10% 80%, rgba(74, 143, 209, 0.15), transparent 65%);
  pointer-events: none;
}
.page-hero > .container { position: relative; z-index: 1; }

.crumb {
  display: flex; align-items: center; gap: 8px;
  font-family: var(--f-mono); font-size: 12px;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--mute);
  margin-bottom: 22px;
}
.crumb a { color: var(--mute); transition: color .15s ease; }
.crumb a:hover { color: var(--brand); }
.crumb .sep { opacity: 0.4; }
.crumb .now { color: var(--cyan); }

.page-hero h1 {
  font-size: clamp(36px, 5.5vw, 72px);
  max-width: 18ch;
}
.page-hero .lead { margin-top: 22px; max-width: 65ch; }
.page-hero .meta-row {
  display: flex; gap: 28px; flex-wrap: wrap;
  margin-top: 32px;
}
.page-hero .meta-row .m { display: flex; flex-direction: column; gap: 4px; }
.page-hero .meta-row .m .v {
  font-family: var(--f-display);
  font-size: 26px;
  color: var(--ink);
  font-weight: 600;
  letter-spacing: -0.02em;
}
.page-hero .meta-row .m .v .u { color: var(--brand); font-size: 0.65em; margin-left: 2px; }
.page-hero .meta-row .m .l {
  font-family: var(--f-mono); font-size: 11px;
  color: var(--mute); letter-spacing: 0.12em; text-transform: uppercase;
}

/* Nav active state */
.nav-links a.is-active { color: var(--ink); position: relative; }
.nav-links a.is-active::after {
  content: ""; position: absolute;
  left: 0; right: 0; bottom: -22px; height: 2px;
  background: linear-gradient(90deg, var(--cyan), var(--brand));
  border-radius: 2px;
}

/* Use-case cards (funktionsweise) */
.usecases {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
@media (max-width: 900px) { .usecases { grid-template-columns: 1fr 1fr; } }
@media (max-width: 540px) { .usecases { grid-template-columns: 1fr; } }
.usecase {
  border: 1px solid var(--line);
  border-radius: var(--r);
  padding: 26px;
  background: linear-gradient(180deg, rgba(20,36,64,0.45) 0%, rgba(14,26,46,0.2) 100%);
  transition: border-color .2s ease;
}
.usecase:hover { border-color: var(--line-strong); }
.usecase .ic {
  width: 38px; height: 38px;
  color: var(--cyan);
  margin-bottom: 16px;
}
.usecase h3 { font-size: 18px; margin-bottom: 8px; }
.usecase p { font-size: 14px; }

/* Comparison table (features) */
.compare {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
  background: linear-gradient(180deg, rgba(20,36,64,0.35) 0%, rgba(14,26,46,0.1) 100%);
}
.compare th, .compare td {
  padding: 16px 22px;
  text-align: left;
  border-bottom: 1px solid var(--line);
  font-size: 14px;
}
.compare tbody tr:last-child td { border-bottom: none; }
.compare thead th {
  font-family: var(--f-mono);
  font-size: 11px;
  color: var(--mute);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-weight: 400;
  background: rgba(255,255,255,0.02);
}
.compare thead th.brand-col { color: var(--cyan); }
.compare td .yes { color: var(--signal); }
.compare td .no { color: var(--dim); }
.compare td .mid { color: var(--brand); }
.compare tbody td:first-child {
  font-weight: 500;
  color: var(--ink);
}
.compare-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }

/* Calculator (preise) */
.calc {
  border: 1px solid var(--line-strong);
  border-radius: var(--r-lg);
  padding: clamp(28px, 4vw, 44px);
  background:
    radial-gradient(500px 300px at 100% 0%, rgba(74, 143, 209, 0.15), transparent 60%),
    linear-gradient(180deg, rgba(20,36,64,0.55) 0%, rgba(14,26,46,0.2) 100%);
}
.calc-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}
@media (max-width: 800px) { .calc-grid { grid-template-columns: 1fr; } }
.calc-row { display: flex; flex-direction: column; gap: 8px; margin-bottom: 22px; }
.calc-row label {
  font-family: var(--f-mono); font-size: 11px;
  color: var(--mute); letter-spacing: 0.12em; text-transform: uppercase;
}
.calc input[type="range"] {
  width: 100%;
  -webkit-appearance: none;
  background: transparent;
  cursor: pointer;
}
.calc input[type="range"]::-webkit-slider-runnable-track {
  height: 4px; border-radius: 4px;
  background: linear-gradient(90deg, var(--brand) 0%, var(--brand) var(--p, 30%), rgba(122,168,224,0.18) var(--p, 30%));
}
.calc input[type="range"]::-moz-range-track {
  height: 4px; border-radius: 4px;
  background: rgba(122,168,224,0.18);
}
.calc input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 18px; height: 18px;
  border-radius: 50%;
  background: linear-gradient(180deg, #5fa3e0, #2a6fb5);
  border: 2px solid #ffffff14;
  box-shadow: 0 0 12px rgba(74,143,209,0.6);
  margin-top: -7px;
}
.calc .seg {
  display: inline-flex;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(0,0,0,0.2);
}
.calc .seg button {
  padding: 8px 16px;
  border: 0; background: transparent;
  color: var(--ink-2);
  border-radius: 999px;
  font-size: 13px;
  transition: all .15s ease;
}
.calc .seg button.active {
  background: linear-gradient(180deg, #5fa3e0 0%, #2a6fb5 100%);
  color: white;
}
.calc-out {
  text-align: right;
}
.calc-out .lbl {
  font-family: var(--f-mono); font-size: 11px;
  color: var(--mute); letter-spacing: 0.12em; text-transform: uppercase;
  margin-bottom: 8px;
}
.calc-out .big {
  font-family: var(--f-display);
  font-size: clamp(40px, 5vw, 64px);
  font-weight: 600;
  letter-spacing: -0.025em;
  line-height: 1;
  background: linear-gradient(135deg, var(--cyan), var(--brand));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.calc-out .sub {
  font-size: 13px; color: var(--mute); margin-top: 8px;
}
.calc-out .breakdown {
  margin-top: 22px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  text-align: left;
  display: grid;
  gap: 8px;
  font-size: 13px;
}
.calc-out .breakdown div {
  display: flex; justify-content: space-between;
  color: var(--ink-2);
}
.calc-out .breakdown .save { color: var(--signal); }

/* FAQ category tabs */
.faq-tabs {
  display: flex; flex-wrap: wrap; gap: 8px;
  margin-bottom: 32px;
}
.faq-tab {
  padding: 10px 18px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: transparent;
  color: var(--ink-2);
  font-size: 13px;
  transition: all .15s ease;
}
.faq-tab.active {
  border-color: var(--brand);
  color: var(--ink);
  background: rgba(74, 143, 209, 0.08);
}

/* Downloads grid (technik) */
.downloads {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
@media (max-width: 800px) { .downloads { grid-template-columns: 1fr; } }
.download {
  display: flex; align-items: center; gap: 16px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--r);
  background: rgba(20,36,64,0.3);
  transition: all .2s ease;
}
.download:hover { border-color: var(--brand); transform: translateY(-1px); }
.download .ic {
  width: 42px; height: 42px;
  border-radius: 8px;
  background: linear-gradient(135deg, rgba(74,143,209,0.18), transparent);
  border: 1px solid var(--line-strong);
  display: grid; place-items: center;
  color: var(--cyan);
  flex-shrink: 0;
}
.download .meta { display: flex; flex-direction: column; gap: 2px; }
.download .meta .t { color: var(--ink); font-size: 15px; font-weight: 500; }
.download .meta .s { color: var(--mute); font-family: var(--f-mono); font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; }

/* Topology diagram (funktionsweise) */
.topology {
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: clamp(32px, 5vw, 56px);
  background:
    radial-gradient(600px 300px at 50% 0%, rgba(74,143,209,0.12), transparent 65%),
    linear-gradient(180deg, rgba(20,36,64,0.4) 0%, rgba(14,26,46,0.1) 100%);
  position: relative;
}
.topo-grid {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr;
  gap: clamp(16px, 3vw, 36px);
  align-items: center;
}
@media (max-width: 800px) {
  .topo-grid { grid-template-columns: 1fr; gap: 16px; }
  .topo-grid .arrow-x { display: none; }
}
.topo-node {
  border: 1px solid var(--line-strong);
  border-radius: var(--r);
  padding: 22px;
  text-align: center;
  background: rgba(10,20,34,0.6);
}
.topo-node .ic {
  width: 44px; height: 44px;
  margin: 0 auto 12px;
  color: var(--cyan);
}
.topo-node h4 { font-size: 16px; margin-bottom: 6px; }
.topo-node .tag {
  font-family: var(--f-mono); font-size: 10px;
  color: var(--mute); text-transform: uppercase; letter-spacing: 0.12em;
}
.arrow-x {
  display: flex; align-items: center;
  color: var(--brand);
  font-family: var(--f-mono); font-size: 10px;
  flex-direction: column; gap: 4px;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

/* =========================================
   ® Registered mark — always superscript
   ========================================= */
.reg {
  font-size: 0.55em;
  vertical-align: super;
  line-height: 0;
  letter-spacing: 0;
  font-weight: 500;
  margin-left: 0.04em;
  color: var(--brand);
  opacity: 0.85;
}

/* =========================================
   LEGAL pages — impressum, datenschutz
   ========================================= */
.legal-wrap {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: clamp(28px, 5vw, 72px);
  align-items: start;
}
@media (max-width: 900px) {
  .legal-wrap { grid-template-columns: 1fr; }
}
.legal-aside {
  position: sticky;
  top: clamp(96px, 10vh, 140px);
  display: flex; flex-direction: column; gap: 24px;
}
@media (max-width: 900px) {
  .legal-aside { position: static; }
}
.legal-card {
  border: 1px solid var(--line);
  border-radius: var(--r);
  padding: 24px;
  background: linear-gradient(180deg, rgba(20,36,64,0.45) 0%, rgba(14,26,46,0.2) 100%);
}
.legal-card .lbl {
  font-family: var(--f-mono); font-size: 11px;
  color: var(--mute); letter-spacing: 0.14em; text-transform: uppercase;
  margin-bottom: 14px;
}
.legal-card address {
  font-style: normal;
  display: flex; flex-direction: column; gap: 2px;
  color: var(--ink-2);
  font-size: 15px;
}
.legal-card address .name {
  color: var(--ink);
  font-weight: 600;
  font-family: var(--f-display);
  font-size: 18px;
  letter-spacing: -0.01em;
  margin-bottom: 6px;
}
.legal-card address a {
  color: var(--ink-2);
  border-bottom: 1px dashed var(--line-strong);
  transition: color .15s ease, border-color .15s ease;
}
.legal-card address a:hover { color: var(--cyan); border-bottom-color: var(--cyan); }
.legal-summary {
  border: 1px solid rgba(95, 212, 255, 0.18);
  border-radius: var(--r);
  padding: 22px;
  background:
    radial-gradient(220px 120px at 0% 0%, rgba(95, 212, 255, 0.08), transparent 60%),
    rgba(95, 212, 255, 0.025);
}
.legal-summary h4 {
  font-size: 12px;
  font-family: var(--f-mono);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--cyan);
  margin-bottom: 12px;
  display: flex; align-items: center; gap: 8px;
}
.legal-summary p { font-size: 14px; color: var(--ink-2); line-height: 1.6; }

.legal-prose { color: var(--ink-2); font-size: 16px; line-height: 1.75; }
.legal-prose h2 {
  font-family: var(--f-display);
  font-weight: 600;
  font-size: clamp(22px, 2.6vw, 30px);
  color: var(--ink);
  letter-spacing: -0.02em;
  margin-top: 56px;
  margin-bottom: 18px;
}
.legal-prose h2:first-child { margin-top: 0; }
.legal-prose p { margin-bottom: 18px; max-width: 70ch; }
.legal-prose p:last-child { margin-bottom: 0; }
.legal-prose a {
  color: var(--cyan);
  border-bottom: 1px dashed rgba(95, 212, 255, 0.35);
  transition: border-color .15s ease;
}
.legal-prose a:hover { border-bottom-color: var(--cyan); }
.legal-prose .anchor {
  display: block;
  position: relative;
  scroll-margin-top: 120px;
}

/* =========================================
   CONTACT page
   ========================================= */
.contact-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
@media (max-width: 900px) { .contact-cards { grid-template-columns: 1fr; } }
.contact-card {
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 32px;
  background: linear-gradient(180deg, rgba(20,36,64,0.55) 0%, rgba(14,26,46,0.25) 100%);
  overflow: hidden;
  transition: border-color .2s ease, transform .2s ease;
}
.contact-card::after {
  content: "";
  position: absolute; inset: 0;
  background: radial-gradient(300px 200px at 100% 0%, rgba(95, 212, 255, 0.12), transparent 60%);
  opacity: 0; transition: opacity .3s ease;
  pointer-events: none;
}
.contact-card:hover { border-color: var(--line-strong); transform: translateY(-2px); }
.contact-card:hover::after { opacity: 1; }
.contact-card .ic {
  width: 54px; height: 54px;
  display: grid; place-items: center;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(95,212,255,0.18), rgba(74,143,209,0.06));
  border: 1px solid var(--line-strong);
  color: var(--cyan);
  margin-bottom: 22px;
}
.contact-card h3 {
  font-family: var(--f-mono);
  font-size: 11px; letter-spacing: 0.14em;
  color: var(--mute); text-transform: uppercase;
  font-weight: 400;
  margin-bottom: 10px;
}
.contact-card .big {
  font-family: var(--f-display);
  font-size: clamp(22px, 2.5vw, 28px);
  color: var(--ink);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin-bottom: 6px;
  display: block;
  word-break: break-word;
}
.contact-card a.big:hover { color: var(--cyan); }
.contact-card .sub {
  font-size: 13px; color: var(--mute);
  margin-top: 12px;
  font-family: var(--f-mono); letter-spacing: 0.08em;
}
.contact-card address {
  font-style: normal;
  font-family: var(--f-display);
  font-size: 18px;
  color: var(--ink);
  line-height: 1.5;
  letter-spacing: -0.01em;
}
.contact-card address span { display: block; color: var(--ink-2); font-size: 15px; font-weight: 400; }

.map-frame {
  margin-top: 56px;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--surface);
}
.map-frame iframe {
  display: block; width: 100%;
  height: 460px; border: 0;
  filter: grayscale(70%) contrast(0.85) brightness(0.75) hue-rotate(190deg);
  opacity: 0.85;
  transition: opacity .25s ease, filter .25s ease;
}
.map-frame:hover iframe { opacity: 1; filter: grayscale(40%) contrast(0.95) brightness(0.85) hue-rotate(190deg); }

/* Mobile nav toggle (subpages can have more nav entries) */
.nav-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 8px 10px;
  color: var(--ink-2);
}
@media (max-width: 760px) {
  .nav-toggle { display: inline-flex; align-items: center; gap: 8px; }
  .nav-links {
    position: absolute;
    inset: calc(100% + 6px) 14px auto 14px;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 14px;
    background: rgba(8, 16, 32, 0.92);
    backdrop-filter: blur(18px);
    border: 1px solid var(--line);
    border-radius: var(--r);
    transform: translateY(-6px);
    opacity: 0;
    pointer-events: none;
    transition: opacity .15s ease, transform .15s ease;
  }
  .nav-links.open {
    opacity: 1; transform: translateY(0); pointer-events: auto;
  }
  .nav-links a {
    padding: 12px 10px;
    border-bottom: 1px solid var(--line);
  }
  .nav-links a:last-child { border-bottom: none; }
  .nav-links a.is-active::after { display: none; }
}