/* ── RESET & VARIABLES ─────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:        #012623;
  --bg-dark:   #010C0D;
  --bg-card:   rgba(255,255,255,0.04);
  --bg-card2:  rgba(255,255,255,0.07);
  --primary:   #F21BB9;
  --secondary: #B277D9;
  --text:      #B1B0BD;
  --heading:   #F4F4F4;
  --border:    rgba(255,255,255,0.09);
  --radius:    6px;
  --pill:      32px;
  --max-w:     1200px;
  --font-head: 'Chakra Petch', sans-serif;
  --font-body: 'Montserrat', sans-serif;
  --transition: 0.25s ease;
}

html { scroll-behavior: smooth; font-size: 16px; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

/* ── TYPOGRAPHY ────────────────────────────────────────── */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-head);
  color: var(--heading);
  text-transform: uppercase;
  letter-spacing: 1.2px;
  line-height: 1.15;
}

h1 { font-size: clamp(2.5rem, 5vw, 4.625rem); font-weight: 500; }
h2 { font-size: clamp(2rem, 4vw, 3.25rem);    font-weight: 500; }
h3 { font-size: clamp(1.5rem, 3vw, 2.875rem); font-weight: 500; }
h4 { font-size: clamp(1.25rem, 2.5vw, 2.5rem);font-weight: 500; }
h5 { font-size: clamp(1.1rem, 2vw, 2rem);     font-weight: 500; }
h6 { font-size: clamp(1rem, 1.5vw, 1.3125rem);font-weight: 500; }

/* Translated headings can be 20-30% longer — scale down to prevent
   line-wrapping that shifts flex-centered layouts on all viewports */
:is([lang="de"],[lang="fr"],[lang="es"],[lang="ar"]) h1 { font-size: clamp(2rem,   4vw,  3.75rem); }
:is([lang="de"],[lang="fr"],[lang="es"],[lang="ar"]) h2 { font-size: clamp(1.6rem, 3vw,  2.75rem); }
:is([lang="de"],[lang="fr"],[lang="es"],[lang="ar"]) h3 { font-size: clamp(1.3rem, 2.5vw,2.25rem); }
:is([lang="de"],[lang="fr"],[lang="es"],[lang="ar"]) h4 { font-size: clamp(1.1rem, 2vw,  2rem);    }

p { color: var(--text); }

/* ── LAYOUT ────────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
}

.section { padding: 100px 0; }
.section--dark { background: var(--bg-dark); }
.section--card { background: rgba(1, 38, 35, 0.6); }

.sec-label {
  font-family: var(--font-head);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--primary);
  margin-bottom: 16px;
  display: block;
}

.sec-head {
  margin-bottom: 20px;
}

.sec-intro {
  font-size: 1.125rem;
  max-width: 640px;
  margin-bottom: 64px;
  line-height: 1.75;
}

/* ── BUTTONS ───────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-head);
  font-size: 0.875rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  padding: 12px 28px;
  border-radius: var(--pill);
  border: none;
  cursor: pointer;
  transition: background var(--transition), color var(--transition), transform var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background: var(--heading);
  color: #012321;
}
.btn-primary:hover {
  background: var(--primary);
  color: #fff;
  transform: translateY(-1px);
}

.btn-outline {
  background: transparent;
  color: var(--heading);
  border: 1px solid var(--border);
}
.btn-outline:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.btn-pink {
  background: var(--primary);
  color: #fff;
}
.btn-pink:hover {
  background: #d0159f;
  transform: translateY(-1px);
}

/* ── NAV ───────────────────────────────────────────────── */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(1, 38, 35, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  transition: background var(--transition);
}

.nav {
  display: flex;
  align-items: center;
  gap: 0;
  height: 72px;
}

.nav-logo {
  display: flex;
  align-items: center;
  margin-right: 48px;
  flex-shrink: 0;
}

.nav-logo img {
  height: 36px;
  width: auto;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  flex: 1;
}

.nav-item {
  position: relative;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 8px 14px;
  font-family: var(--font-head);
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  color: var(--text);
  border-radius: var(--radius);
  transition: color var(--transition);
  cursor: pointer;
}

.nav-link:hover,
.nav-link.active { color: var(--heading); }

.nav-link .chevron {
  width: 12px;
  height: 12px;
  transition: transform var(--transition);
}

/* dropdown */
.nav-dropdown {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 220px;
  background: #011e1b;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 0 8px;
  box-shadow: 0 16px 48px rgba(0,0,0,0.5);
}

/* Desktop: hover opens dropdowns. Gated so it never fires on touch /
   narrow screens, where the mobile menu uses tap-to-toggle instead. */
@media (min-width: 1025px) {
  .nav-item:hover .nav-dropdown { display: block; }
  .nav-item:hover .chevron      { transform: rotate(180deg); }
}

/* Mobile/tap: open state controlled by JS toggling .nav-item.open */
.nav-item.open .chevron { transform: rotate(180deg); }

.nav-dropdown a {
  display: block;
  padding: 10px 20px;
  font-family: var(--font-head);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text);
  transition: color var(--transition), background var(--transition);
}

.nav-dropdown a:hover {
  color: var(--heading);
  background: rgba(255,255,255,0.04);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-left: auto;
}

/* ── LANGUAGE SWITCHER ─────────────────────────────────── */
.lang-switcher {
  position: relative;
}

.lang-btn {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
  font-family: var(--font-head);
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  padding: 6px 12px;
  border-radius: var(--pill);
  cursor: pointer;
  transition: border-color var(--transition), color var(--transition);
}

.lang-btn:hover {
  border-color: var(--primary);
  color: var(--heading);
}

.lang-dropdown {
  display: none;
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  min-width: 130px;
  background: #011e1b;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 6px 0;
  box-shadow: 0 16px 40px rgba(0,0,0,0.4);
  z-index: 1001;
}

.lang-dropdown.is-open { display: block; }

.lang-option {
  display: block;
  width: 100%;
  background: none;
  border: none;
  padding: 9px 16px;
  font-family: var(--font-head);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text);
  cursor: pointer;
  text-align: left;
  transition: color var(--transition), background var(--transition);
}

.lang-option:hover {
  color: var(--heading);
  background: rgba(255,255,255,0.04);
}

/* ── RTL SUPPORT (Arabic) ──────────────────────────────── */
[dir="rtl"] body                         { direction: rtl; text-align: right; }
[dir="rtl"] .nav                         { flex-direction: row-reverse; }
[dir="rtl"] .nav-logo                    { margin-right: 0; margin-left: 48px; }
[dir="rtl"] .nav-links                   { flex-direction: row-reverse; }
[dir="rtl"] .nav-actions                 { margin-left: 0; margin-right: auto; }
[dir="rtl"] .nav-dropdown                { left: auto; right: 0; }
[dir="rtl"] .lang-dropdown               { right: auto; left: 0; }
[dir="rtl"] .lang-option                 { text-align: right; }
[dir="rtl"] .hero-grid                   { direction: rtl; }
[dir="rtl"] .about-grid                  { direction: rtl; }
[dir="rtl"] .footer-grid                 { direction: rtl; }
[dir="rtl"] .footer-bottom               { flex-direction: row-reverse; }
[dir="rtl"] .contact-grid                { direction: rtl; }
[dir="rtl"] .hero-label::before          { display: none; }
[dir="rtl"] .hero-label::after           { content: ''; display: inline-block; width: 32px; height: 1px; background: var(--primary); margin-right: 0; margin-left: 10px; }
[dir="rtl"] .about-list li               { flex-direction: row-reverse; }
[dir="rtl"] .sec-label                   { letter-spacing: 0; }
[dir="rtl"] .feature-card,
[dir="rtl"] .product-card,
[dir="rtl"] .case-card,
[dir="rtl"] .principle-card              { text-align: right; }

/* mobile toggle */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  margin-left: auto;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--heading);
  margin: 5px 0;
  transition: transform var(--transition), opacity var(--transition);
}

.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ── HERO ──────────────────────────────────────────────── */
.hero h1, .hero h2, .hero h3, .hero p, .hero .hero-label, .hero .hero-sub {
  text-shadow: 0 2px 12px rgba(0,0,0,0.48);
}

.page-hero h1, .page-hero h2, .page-hero .sec-label {
  text-shadow: 0 2px 12px rgba(0,0,0,0.6);
}

.page-hero p {
  color: var(--heading);
  text-shadow: 0 2px 16px rgba(0,0,0,0.72);
}

.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 104px;
  padding-bottom: 88px;
  background: linear-gradient(rgba(0,0,0,0.5), rgba(0,0,0,0.5)), url('../images/hero-bg.png') center / cover no-repeat var(--bg);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -200px; right: -200px;
  width: 700px; height: 700px;
  background: radial-gradient(circle, rgba(242,27,185,0.12) 0%, transparent 70%);
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -100px; left: -100px;
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(178,119,217,0.08) 0%, transparent 70%);
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-label {
  font-family: var(--font-head);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--primary);
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.hero-label::before {
  content: '';
  display: inline-block;
  width: 32px;
  height: 1px;
  background: var(--primary);
}

.hero h1 {
  margin-bottom: 24px;
}

.hero h1 span { color: var(--primary); }

/* Prevent longer translated headlines from causing layout shift */
:is([lang="de"],[lang="fr"],[lang="es"],[lang="ar"]) .hero h1 {
  font-size: clamp(2rem, 4vw, 3.75rem);
}

.hero-sub {
  font-size: 1.125rem;
  max-width: 520px;
  margin-bottom: 40px;
  line-height: 1.75;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-visual img {
  width: 100%;
  max-width: 580px;
  filter: drop-shadow(0 32px 80px rgba(242,27,185,0.2));
  animation: float 6s ease-in-out infinite;
}

/* ── HERO TOPOLOGY (animated, transparent) ─────────────── */
.qpx-topo {
  position: relative;
  width: 100%;
  max-width: 640px;
  margin: 0 auto;
  aspect-ratio: 680 / 472;
  filter: drop-shadow(0 32px 80px rgba(242,27,185,0.18));
}

.qpx-topo > svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  transform: scale(0.98);
  transition: opacity 0.9s ease, transform 0.9s ease;
}

.qpx-topo > svg.is-active {
  opacity: 1;
  transform: scale(1);
}

/* flowing data pulses along the connectors */
.qpx-flow {
  stroke: #FF4FBE;
  stroke-width: 5;
  stroke-linecap: round;
  stroke-dasharray: 0.1 16;
  fill: none;
  animation: qpxFlow 1.8s linear infinite;
  filter: drop-shadow(0 0 5px rgba(255,79,190,0.55));
}

@keyframes qpxFlow { to { stroke-dashoffset: -16; } }

/* soft pulsing halo around the central hub */
.qpx-halo {
  transform-box: fill-box;
  transform-origin: center;
  animation: qpxHalo 3.4s ease-in-out infinite;
}

@keyframes qpxHalo {
  0%, 100% { transform: scale(1);    opacity: 0.40; }
  50%      { transform: scale(1.14); opacity: 0.06; }
}

@media (prefers-reduced-motion: reduce) {
  .qpx-topo > svg { transition: none; }
  .qpx-flow, .qpx-halo { animation: none; }
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-16px); }
}

/* ── TRUSTED BY / BADGES ───────────────────────────────── */
.trust-bar {
  padding: 48px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: rgba(1,12,13,0.4);
}

.trust-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
}

.trust-label {
  font-family: var(--font-head);
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 2.5px;
  color: var(--primary);
  display: flex;
  align-items: center;
  gap: 12px;
}

.trust-label::before,
.trust-label::after {
  content: '';
  width: 28px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--primary));
  opacity: 0.6;
}

.trust-label::after { transform: rotate(180deg); }

.trust-items {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}

.trust-item {
  font-family: var(--font-head);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--text);
  padding: 9px 18px;
  border: 1px solid var(--border);
  border-radius: var(--pill);
  background: var(--bg-card);
  transition: color var(--transition), border-color var(--transition),
              background var(--transition), transform var(--transition);
}

.trust-item:hover {
  color: var(--heading);
  border-color: rgba(242,27,185,0.45);
  background: var(--bg-card2);
  transform: translateY(-2px);
}

/* ── FEATURES GRID ─────────────────────────────────────── */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
  margin-top: 64px;
}

.feature-card {
  background: linear-gradient(160deg, var(--bg-card2) 0%, var(--bg-card) 60%);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 36px 32px;
  transition: transform var(--transition), border-color var(--transition),
              box-shadow var(--transition), background var(--transition);
  position: relative;
  overflow: hidden;
}

/* gradient accent line, revealed on hover */
.feature-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}

/* soft radial glow in the corner */
.feature-card::after {
  content: '';
  position: absolute;
  top: -40px; right: -40px;
  width: 140px; height: 140px;
  background: radial-gradient(circle, rgba(242,27,185,0.14) 0%, transparent 70%);
  opacity: 0;
  transition: opacity var(--transition);
  pointer-events: none;
}

.feature-card:hover {
  transform: translateY(-5px);
  border-color: rgba(242,27,185,0.4);
  box-shadow: 0 18px 44px rgba(0,0,0,0.35);
}

.feature-card:hover::before { transform: scaleX(1); }
.feature-card:hover::after  { opacity: 1; }

/* icon chip */
.feature-icon {
  width: 56px;
  height: 56px;
  padding: 12px;
  margin-bottom: 24px;
  border-radius: 12px;
  background: rgba(242,27,185,0.08);
  border: 1px solid rgba(242,27,185,0.18);
  box-sizing: border-box;
  transition: background var(--transition), border-color var(--transition), transform var(--transition);
}

.feature-card:hover .feature-icon {
  background: rgba(242,27,185,0.14);
  border-color: rgba(242,27,185,0.35);
  transform: scale(1.05);
}

.feature-card h5 {
  font-size: 1.05rem;
  margin-bottom: 12px;
}

.feature-card p {
  font-size: 0.9rem;
  line-height: 1.75;
}

/* ── ABOUT SECTION ─────────────────────────────────────── */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.about-visual img {
  width: 100%;
  border-radius: var(--radius);
  filter: drop-shadow(0 24px 64px rgba(242,27,185,0.15));
}

.about-text .sec-intro {
  max-width: 100%;
  margin-bottom: 32px;
}

.about-list {
  margin-bottom: 40px;
}

.about-list li {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.9rem;
}

.about-list li:last-child { border-bottom: none; }

.about-list .icon-check {
  width: 18px;
  height: 18px;
  color: var(--primary);
  flex-shrink: 0;
  margin-top: 2px;
}

/* ── PRODUCTS ──────────────────────────────────────────── */
.products-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  margin-top: 64px;
}

.product-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 48px 40px;
  transition: border-color var(--transition), background var(--transition);
  position: relative;
  overflow: hidden;
}

.product-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  opacity: 0;
  transition: opacity var(--transition);
}

.product-card:hover {
  border-color: rgba(242,27,185,0.3);
  background: var(--bg-card2);
}

.product-card:hover::before { opacity: 1; }

.product-tag {
  display: inline-block;
  font-family: var(--font-head);
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--primary);
  border: 1px solid rgba(242,27,185,0.4);
  border-radius: var(--pill);
  padding: 4px 14px;
  margin-bottom: 24px;
}

.product-card h4 {
  font-size: 1.75rem;
  margin-bottom: 16px;
}

.product-card p {
  font-size: 0.9rem;
  line-height: 1.75;
  margin-bottom: 32px;
}

.product-features {
  margin-bottom: 36px;
}

.product-features li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 0;
  font-size: 0.875rem;
  color: var(--text);
  border-bottom: 1px solid var(--border);
}

.product-features li:last-child { border-bottom: none; }

.product-features li::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--primary);
  flex-shrink: 0;
}

/* ── CONTROL CENTER ────────────────────────────────────── */
.control-center {
  position: relative;
  overflow: hidden;
}

.control-center::before {
  content: '';
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 800px; height: 800px;
  background: radial-gradient(circle, rgba(178,119,217,0.07) 0%, transparent 70%);
  pointer-events: none;
}

.control-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.control-visual {
  position: relative;
}

.control-visual img {
  width: 100%;
  filter: drop-shadow(0 32px 80px rgba(178,119,217,0.2));
}

.control-features {
  margin-top: 40px;
}

.control-feature {
  display: flex;
  gap: 20px;
  padding: 24px 0;
  border-bottom: 1px solid var(--border);
}

.control-feature:last-child { border-bottom: none; }

.control-feature-icon {
  width: 40px;
  height: 40px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.control-feature-icon svg {
  width: 20px;
  height: 20px;
  color: var(--primary);
}

.control-feature h6 {
  font-size: 0.875rem;
  margin-bottom: 6px;
}

.control-feature p {
  font-size: 0.85rem;
  line-height: 1.65;
}

/* ── CASE STUDIES ──────────────────────────────────────── */
.case-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
  margin-top: 64px;
}

.case-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px;
  transition: border-color var(--transition), background var(--transition);
  position: relative;
  overflow: hidden;
}

.case-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  opacity: 0;
  transition: opacity var(--transition);
}

.case-card:hover {
  border-color: rgba(242,27,185,0.3);
  background: var(--bg-card2);
}

.case-card:hover::before { opacity: 1; }

.case-tag {
  font-family: var(--font-head);
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--secondary);
  margin-bottom: 16px;
  display: block;
}

.case-card h4 {
  font-size: 1.5rem;
  margin-bottom: 16px;
}

.case-card p {
  font-size: 0.9rem;
  line-height: 1.75;
  margin-bottom: 28px;
}

.case-stats {
  display: flex;
  gap: 32px;
  padding-top: 28px;
  border-top: 1px solid var(--border);
}

.case-stat-value {
  font-family: var(--font-head);
  font-size: 1.75rem;
  font-weight: 500;
  color: var(--primary);
  display: block;
  line-height: 1;
  margin-bottom: 6px;
}

.case-stat-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* ── PRINCIPLES ────────────────────────────────────────── */
.principles-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
  margin-top: 64px;
}

/* Homepage company section: principles live in the narrow right column,
   so let them wrap instead of cramming 5 cards into half-width */
#company .principles-grid {
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
}

.principle-card {
  background: linear-gradient(160deg, var(--bg-card2) 0%, var(--bg-card) 60%);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 36px 24px;
  text-align: center;
  transition: transform var(--transition), border-color var(--transition),
              box-shadow var(--transition);
  position: relative;
  overflow: hidden;
}

.principle-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  transform: scaleX(0);
  transition: transform var(--transition);
}

.principle-card:hover {
  transform: translateY(-5px);
  border-color: rgba(242,27,185,0.4);
  box-shadow: 0 18px 44px rgba(0,0,0,0.35);
}

.principle-card:hover::before { transform: scaleX(1); }

.principle-number {
  font-family: var(--font-head);
  font-size: 2.5rem;
  font-weight: 600;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  opacity: 0.45;
  line-height: 1;
  margin-bottom: 16px;
  transition: opacity var(--transition);
}

.principle-card:hover .principle-number { opacity: 1; }

.principle-card h6 {
  font-size: 0.875rem;
  margin-bottom: 12px;
}

.principle-card p {
  font-size: 0.8rem;
  line-height: 1.65;
}

/* ── FAQ ACCORDION ─────────────────────────────────────── */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.faq-item {
  background: linear-gradient(160deg, var(--bg-card2) 0%, var(--bg-card) 60%);
  border: 1px solid var(--border);
  border-radius: 14px;
  overflow: hidden;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.faq-item[open] {
  border-color: rgba(242,27,185,0.4);
  box-shadow: 0 14px 36px rgba(0,0,0,0.3);
}

.faq-item summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 22px 26px;
  font-family: var(--font-head);
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--heading);
  transition: color var(--transition);
}

.faq-item summary::-webkit-details-marker { display: none; }

/* plus / minus indicator */
.faq-item summary::after {
  content: '';
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  position: relative;
  background:
    linear-gradient(var(--primary),var(--primary)) center/2px 14px no-repeat,
    linear-gradient(var(--primary),var(--primary)) center/14px 2px no-repeat;
  transition: transform var(--transition);
}

.faq-item[open] summary::after {
  transform: rotate(135deg);
}

.faq-item summary:hover { color: var(--primary); }

.faq-answer {
  padding: 0 26px 24px;
}

.faq-answer p {
  font-size: 0.95rem;
  line-height: 1.8;
  margin: 0;
}

/* ── CTA BANNER ────────────────────────────────────────── */
.cta-banner {
  background: linear-gradient(135deg, rgba(242,27,185,0.12) 0%, rgba(178,119,217,0.08) 100%);
  border-top: 1px solid rgba(242,27,185,0.2);
  border-bottom: 1px solid rgba(242,27,185,0.2);
  padding: 100px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-banner::before {
  content: '';
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(242,27,185,0.08) 0%, transparent 70%);
}

.cta-banner h2 {
  margin-bottom: 16px;
  position: relative;
}

.cta-banner p {
  font-size: 1.125rem;
  max-width: 560px;
  margin: 0 auto 40px;
  position: relative;
}

.cta-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  position: relative;
}

/* ── ABOUT COMPANY ─────────────────────────────────────── */
.company-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

.company-text p {
  font-size: 1rem;
  line-height: 1.8;
  margin-bottom: 20px;
}

.founders-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 64px;
}

.founder-card {
  background: linear-gradient(160deg, var(--bg-card2) 0%, var(--bg-card) 60%);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 0 0 24px;
  overflow: hidden;
  position: relative;
  transition: transform var(--transition), border-color var(--transition),
              box-shadow var(--transition);
}

.founder-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  transform: scaleX(0);
  transition: transform var(--transition);
  z-index: 2;
}

.founder-card:hover {
  transform: translateY(-5px);
  border-color: rgba(242,27,185,0.4);
  box-shadow: 0 18px 44px rgba(0,0,0,0.35);
}

.founder-card:hover::before { transform: scaleX(1); }

.founder-photo {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  object-position: top center;
  display: block;
  margin-bottom: 20px;
  filter: grayscale(35%);
  transition: filter var(--transition), transform var(--transition);
}

.founder-card:hover .founder-photo {
  filter: grayscale(0%);
  transform: scale(1.04);
}

.founder-card .founder-role,
.founder-card h5,
.founder-card p {
  padding-left: 24px;
  padding-right: 24px;
}

.founder-role {
  font-family: var(--font-head);
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--primary);
  margin-bottom: 8px;
  display: block;
}

.founder-card h5 {
  font-size: 1.1rem;
  margin-bottom: 10px;
}

.founder-card p {
  font-size: 0.85rem;
  line-height: 1.65;
}

/* ── CONTACT SECTION ───────────────────────────────────── */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 80px;
  align-items: start;
}

.contact-info h3 {
  font-size: 1.75rem;
  margin-bottom: 20px;
}

.contact-info p {
  font-size: 0.95rem;
  line-height: 1.75;
  margin-bottom: 40px;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-bottom: 40px;
}

.contact-detail {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.contact-detail-icon {
  width: 40px;
  height: 40px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-detail-icon svg {
  width: 18px;
  height: 18px;
  color: var(--primary);
}

.contact-detail-label {
  font-family: var(--font-head);
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--text);
  opacity: 0.6;
  margin-bottom: 4px;
}

.contact-detail-value {
  color: var(--heading);
  font-size: 0.9rem;
}

.social-links {
  display: flex;
  gap: 12px;
}

.social-link {
  width: 40px;
  height: 40px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: border-color var(--transition), background var(--transition);
}

.social-link:hover {
  border-color: var(--primary);
  background: rgba(242,27,185,0.1);
}

.social-link svg {
  width: 18px;
  height: 18px;
  color: var(--text);
}

.social-link:hover svg { color: var(--primary); }

/* ── CONTACT FORM ──────────────────────────────────────── */
.contact-form {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group.full { grid-column: 1 / -1; }

.form-label {
  font-family: var(--font-head);
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--text);
  opacity: 0.7;
}

.form-input,
.form-select,
.form-textarea {
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 16px;
  color: var(--heading);
  font-family: var(--font-body);
  font-size: 0.9rem;
  transition: border-color var(--transition);
  width: 100%;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: rgba(242,27,185,0.5);
}

.form-input::placeholder,
.form-textarea::placeholder { color: rgba(177,176,189,0.4); }

.form-select option { background: #011e1b; }

.form-textarea {
  resize: vertical;
  min-height: 130px;
}

.form-honeypot { display: none; }

.form-submit {
  margin-top: 20px;
  width: 100%;
}

.form-feedback {
  display: none;
  margin-top: 16px;
  padding: 14px 18px;
  border-radius: var(--radius);
  font-size: 0.875rem;
}

.form-feedback.is-shown { display: flex; align-items: flex-start; gap: 10px; }

.form-feedback--ok {
  background: rgba(0,200,100,0.08);
  border: 1px solid rgba(0,200,100,0.25);
  color: #4de89a;
}

.form-feedback--err {
  background: rgba(242,27,100,0.08);
  border: 1px solid rgba(242,27,100,0.25);
  color: #f2706b;
}

.form-feedback--err a { color: inherit; text-decoration: underline; }

/* ── FOOTER ────────────────────────────────────────────── */
.footer {
  background: var(--bg-dark);
  border-top: 1px solid var(--border);
  padding: 80px 0 40px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 64px;
}

.footer-brand p {
  font-size: 0.875rem;
  line-height: 1.75;
  max-width: 300px;
  margin: 16px 0 24px;
}

.footer-col h6 {
  font-size: 0.7rem;
  letter-spacing: 2px;
  margin-bottom: 20px;
  color: var(--heading);
  opacity: 0.6;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  font-family: var(--font-head);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text);
  opacity: 0.7;
  transition: opacity var(--transition), color var(--transition);
}

.footer-links a:hover {
  opacity: 1;
  color: var(--heading);
}

.footer-bottom {
  padding-top: 32px;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-copy {
  font-size: 0.8rem;
  opacity: 0.5;
}

.footer-legal {
  display: flex;
  gap: 24px;
}

.footer-legal a {
  font-family: var(--font-head);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text);
  opacity: 0.5;
  transition: opacity var(--transition);
}

.footer-legal a:hover { opacity: 1; }

/* ── COOKIE BANNER ─────────────────────────────────────── */
.cookie-banner {
  position: fixed;
  bottom: 24px;
  left: 24px;
  right: 24px;
  max-width: 540px;
  background: #011e1b;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px 28px;
  box-shadow: 0 24px 64px rgba(0,0,0,0.5);
  z-index: 9999;
  transition: opacity 0.3s, transform 0.3s;
}

.cookie-banner.hidden {
  opacity: 0;
  transform: translateY(20px);
  pointer-events: none;
}

.cookie-banner h6 {
  font-size: 0.875rem;
  margin-bottom: 10px;
}

.cookie-banner p {
  font-size: 0.8rem;
  line-height: 1.65;
  margin-bottom: 20px;
}

.cookie-banner p a {
  color: var(--primary);
  text-decoration: underline;
}

.cookie-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.cookie-actions .btn {
  font-size: 0.75rem;
  padding: 9px 20px;
}

/* ── PAGE HERO (subpages) ──────────────────────────────── */
.page-hero {
  padding: 160px 0 80px;
  background: linear-gradient(rgba(0,0,0,0.5), rgba(0,0,0,0.5)), url('../images/page-hero.png') center / cover no-repeat var(--bg-dark);
  border-bottom: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  top: 0; right: 0;
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(242,27,185,0.08) 0%, transparent 70%);
  pointer-events: none;
}

/* keep hero content above the decorative blob so links stay clickable */
.page-hero .container { position: relative; z-index: 1; }

.page-hero h1 { margin-bottom: 16px; }
.page-hero p  { font-size: 1.125rem; max-width: 600px; }

/* ── SCROLL REVEAL ─────────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.visible {
  opacity: 1;
  transform: none;
}

/* ── RESPONSIVE ────────────────────────────────────────── */
@media (max-width: 1024px) {
  /* Mobile menu flows in-line: logo + X stay on row 1, the opened
     panels wrap to full-width rows below — no absolute overlap. */
  .nav { flex-wrap: wrap; height: auto; min-height: 72px; }

  /* When the menu is open the fixed header can grow taller than the
     screen — let it scroll internally so the bottom (language list)
     stays reachable instead of being clipped off-screen. */
  .site-header.nav-open,
  .site-header:has(.nav-links.open) {
    max-height: 100vh;
    max-height: 100dvh;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
  }

  .nav-links, .nav-actions { display: none; }
  .nav-toggle { display: block; }

  .nav-links.open {
    display: flex;
    flex-direction: column;
    order: 3;
    flex-basis: 100%;
    width: 100%;
    border-top: 1px solid var(--border);
    margin-top: 8px;
    padding: 12px 0 4px;
    gap: 4px;
  }

  .nav-actions.open {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
    order: 4;
    flex-basis: 100%;
    width: 100%;
    margin-left: 0;
    padding: 4px 0 16px;
  }

  /* Language switcher: full-width, dropdown opens in-flow (no side cutoff) */
  .nav-actions.open .lang-switcher { width: 100%; }

  .nav-actions.open .lang-btn {
    width: 100%;
    text-align: left;
    padding: 12px 14px;
  }

  .nav-actions.open .lang-dropdown {
    position: static;
    width: 100%;
    min-width: 0;
    margin-top: 6px;
    box-shadow: none;
    background: rgba(255,255,255,0.03);
  }

  .nav-actions.open .lang-option { padding: 12px 14px; font-size: 0.85rem; }

  /* Full-width, comfortable tap targets for the mobile menu */
  .nav-links.open .nav-item { width: 100%; }

  .nav-links.open .nav-link {
    width: 100%;
    justify-content: space-between;
    padding: 14px 8px;
    font-size: 0.95rem;
  }

  .nav-link .chevron { width: 14px; height: 14px; }

  .nav-dropdown {
    position: static;
    display: none;
    background: rgba(255,255,255,0.03);
    border: none;
    border-radius: var(--radius);
    box-shadow: none;
    padding: 4px 0;
    margin: 2px 0 6px;
  }

  .nav-item.open .nav-dropdown { display: block; }

  .nav-dropdown a {
    padding: 13px 20px;
    font-size: 0.85rem;
  }

  .hero-grid,
  .about-grid,
  .control-grid,
  .company-grid { grid-template-columns: 1fr; gap: 40px; }

  /* trim the oversized subpage header on smaller screens */
  .page-hero { padding: 128px 0 56px; }

  .hero-visual { order: -1; }
  .hero-visual img { max-width: 400px; margin: 0 auto; }
  .qpx-topo { max-width: 480px; }

  /* .features-grid is fluid (auto-fit) — no per-breakpoint override needed */
  .products-grid { grid-template-columns: 1fr; }
  .principles-grid { grid-template-columns: repeat(3, 1fr); }

  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 640px) {
  /* tighter vertical rhythm on phones — avoid huge empty gaps */
  .section { padding: 56px 0; }
  .page-hero { padding: 108px 0 44px; }
  .cta-banner { padding: 60px 0; }
  .sec-intro { margin-bottom: 32px; }
  .hero-grid,
  .about-grid,
  .control-grid,
  .company-grid { gap: 32px; }
  .container { padding: 0 18px; }

  h1 { font-size: 2.25rem; }
  h2 { font-size: 1.875rem; }

  .case-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .principles-grid { grid-template-columns: 1fr 1fr; }
  .founders-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }

  /* let long (translated) button labels wrap instead of overflowing,
     and stack the primary action groups full-width for easy tapping */
  .btn { white-space: normal; text-align: center; }
  .hero-actions .btn,
  .cta-actions .btn { width: 100%; }

  /* keep wide content (long words, code, tables) inside the viewport */
  .legal-content { overflow-wrap: break-word; }
  .legal-content table { font-size: 0.8rem; }
  .legal-content th,
  .legal-content td { padding: 8px 10px; word-break: break-word; }

  .cookie-banner { left: 12px; right: 12px; bottom: 12px; }
}