/* ==========================================================================
   TCSM — Global Stylesheet
   Dark Tech design system: tokens, reset, layout, components, animations
   ========================================================================== */

/* ---------- Design tokens ---------- */
:root {
  /* Surfaces */
  --bg: #060810;
  --bg-alt: #090c16;
  --bg-elevated: #0e1220;
  --surface: rgba(255, 255, 255, 0.04);
  --surface-hover: rgba(255, 255, 255, 0.075);
  --border: rgba(255, 255, 255, 0.09);
  --border-strong: rgba(255, 255, 255, 0.18);

  /* Text */
  --text: #f3f5fb;
  --text-muted: #a6adc4;
  --text-dim: #6e7590;

  /* Brand */
  --accent: #5b7cff;
  --accent-2: #9b5bff;
  --accent-3: #22d3ee;
  --success: #34d399;
  --warning: #fbbf24;

  --gradient-brand: linear-gradient(135deg, #5b7cff 0%, #9b5bff 100%);
  --gradient-brand-3: linear-gradient(120deg, #5b7cff 0%, #9b5bff 55%, #22d3ee 100%);
  --gradient-surface: linear-gradient(160deg, rgba(91, 124, 255, 0.12), rgba(155, 91, 255, 0.05));

  /* Elevation / effects */
  --shadow-sm: 0 2px 10px rgba(0, 0, 0, 0.35);
  --shadow-md: 0 12px 40px rgba(0, 0, 0, 0.45);
  --shadow-glow: 0 0 0 1px rgba(91, 124, 255, 0.15), 0 20px 60px rgba(91, 124, 255, 0.18);

  /* Shape */
  --radius-sm: 10px;
  --radius: 16px;
  --radius-lg: 26px;
  --radius-pill: 999px;

  /* Layout */
  --container: 1180px;
  --container-narrow: 760px;
  --header-h: 76px;

  /* Motion */
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-soft: cubic-bezier(0.4, 0, 0.2, 1);
  --dur-fast: 0.2s;
  --dur: 0.45s;
  --dur-slow: 0.9s;

  /* Body background wash (theme-dependent) */
  --bg-wash-1: rgba(91, 124, 255, 0.16);
  --bg-wash-2: rgba(155, 91, 255, 0.12);
  --header-scrim: rgba(6, 8, 16, 0.72);
  --nav-mobile-scrim: rgba(6, 8, 16, 0.98);
  --grid-line: rgba(255, 255, 255, 0.05);
  --blob-opacity: 0.55;
  --avatar-dash: rgba(255, 255, 255, 0.25);
}

/* ---------- Light theme token overrides ---------- */
:root[data-theme="light"] {
  --bg: #f6f7fb;
  --bg-alt: #eef0f7;
  --bg-elevated: #ffffff;
  --surface: rgba(15, 19, 40, 0.035);
  --surface-hover: rgba(15, 19, 40, 0.065);
  --border: rgba(15, 19, 40, 0.1);
  --border-strong: rgba(15, 19, 40, 0.18);

  --text: #12152a;
  --text-muted: #4c5271;
  --text-dim: #7d84a0;

  /* Deeper, AA-contrast-safe ink for text/icons on light backgrounds
     (accent + accent-2 stay identical across themes — they're only ever
     used as gradient/button fills, never as text-on-page-background). */
  --accent-3: #0e7490;

  --success: #0d9467;
  --warning: #b45309;

  --gradient-surface: linear-gradient(160deg, rgba(91, 124, 255, 0.1), rgba(155, 91, 255, 0.06));

  --shadow-sm: 0 2px 10px rgba(15, 19, 40, 0.08);
  --shadow-md: 0 12px 40px rgba(15, 19, 40, 0.12);
  --shadow-glow: 0 0 0 1px rgba(91, 124, 255, 0.12), 0 20px 50px rgba(91, 124, 255, 0.14);

  --bg-wash-1: rgba(91, 124, 255, 0.08);
  --bg-wash-2: rgba(155, 91, 255, 0.06);
  --header-scrim: rgba(246, 247, 251, 0.78);
  --nav-mobile-scrim: rgba(246, 247, 251, 0.98);
  --grid-line: rgba(15, 19, 40, 0.055);
  --blob-opacity: 0.3;
  --avatar-dash: rgba(15, 19, 40, 0.18);
}

/* Smooth, targeted transition when the theme toggle flips data-theme */
body,
.site-header,
.card,
.site-footer,
.marquee-section,
.contact-info-card,
.cta-banner,
.person-avatar,
.field input,
.field textarea,
.field select,
.nav-mobile {
  transition: background-color var(--dur) var(--ease-soft), border-color var(--dur) var(--ease-soft), color var(--dur) var(--ease-soft);
}

/* ---------- Reset ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

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

ul {
  list-style: none;
}

button,
input,
textarea,
select {
  font: inherit;
  color: inherit;
}

button {
  cursor: pointer;
  background: none;
  border: none;
}

h1, h2, h3, h4 {
  font-family: "Space Grotesk", "Inter", sans-serif;
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.01em;
}

::selection {
  background: var(--accent);
  color: #fff;
}

/* Background grid + noise, applied once behind everything */
body {
  background-image:
    radial-gradient(ellipse 900px 500px at 15% -10%, var(--bg-wash-1), transparent 60%),
    radial-gradient(ellipse 800px 600px at 100% 10%, var(--bg-wash-2), transparent 55%),
    linear-gradient(var(--bg), var(--bg));
  background-attachment: fixed;
}

/* ---------- Layout utilities ---------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: 24px;
}

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

section {
  position: relative;
  padding-block: clamp(64px, 10vw, 128px);
}

.section-tight {
  padding-block: clamp(40px, 6vw, 72px);
}

.grid {
  display: grid;
  gap: 24px;
}

.text-center {
  text-align: center;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.visually-hidden:focus {
  position: fixed;
  top: 12px;
  left: 12px;
  width: auto;
  height: auto;
  padding: 12px 20px;
  margin: 0;
  clip: auto;
  z-index: 999;
  background: var(--bg-elevated);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  color: var(--text);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-3);
  margin-bottom: 16px;
}

.eyebrow::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--gradient-brand);
  box-shadow: 0 0 12px rgba(91, 124, 255, 0.8);
}

.section-heading {
  max-width: 640px;
  margin-bottom: 48px;
}

.section-heading.center {
  margin-inline: auto;
  text-align: center;
}

.section-heading h2 {
  font-size: clamp(1.8rem, 3.2vw, 2.6rem);
  margin-bottom: 14px;
}

.section-heading p {
  color: var(--text-muted);
  font-size: 1.05rem;
}

.text-gradient {
  background: var(--gradient-brand-3);
  background-size: 200% auto;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: gradient-shift 6s ease-in-out infinite;
}

@keyframes gradient-shift {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

/* ---------- Buttons ---------- */
.btn {
  --btn-pad-y: 14px;
  --btn-pad-x: 26px;
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: var(--btn-pad-y) var(--btn-pad-x);
  border-radius: var(--radius-pill);
  font-weight: 600;
  font-size: 0.95rem;
  white-space: nowrap;
  transition: transform var(--dur-fast) var(--ease-soft), box-shadow var(--dur-fast) var(--ease-soft), background var(--dur-fast) var(--ease-soft), border-color var(--dur-fast) var(--ease-soft);
}

.btn:active {
  transform: scale(0.97);
}

.btn-primary {
  color: #fff;
  background: var(--gradient-brand);
  box-shadow: 0 8px 30px rgba(91, 124, 255, 0.35);
}

.btn-primary:hover {
  box-shadow: 0 10px 40px rgba(91, 124, 255, 0.55);
  transform: translateY(-2px);
}

.btn-ghost {
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--border);
  backdrop-filter: blur(6px);
}

.btn-ghost:hover {
  background: var(--surface-hover);
  border-color: var(--border-strong);
  transform: translateY(-2px);
}

.btn-block {
  width: 100%;
}

.btn svg {
  width: 18px;
  height: 18px;
  transition: transform var(--dur-fast) var(--ease-soft);
}

.btn:hover svg.icon-arrow {
  transform: translateX(3px);
}

/* ---------- Header ---------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--header-h);
  display: flex;
  align-items: center;
  transition: background var(--dur) var(--ease-soft), border-color var(--dur) var(--ease-soft), backdrop-filter var(--dur) var(--ease-soft), box-shadow var(--dur) var(--ease-soft);
  border-bottom: 1px solid transparent;
}

.site-header.is-scrolled {
  background: var(--header-scrim);
  backdrop-filter: blur(16px) saturate(140%);
  -webkit-backdrop-filter: blur(16px) saturate(140%);
  border-bottom-color: var(--border);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.35);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: "Space Grotesk", sans-serif;
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: -0.01em;
}

.logo-mark {
  width: 34px;
  height: 34px;
  flex-shrink: 0;
  transition: transform var(--dur) var(--ease);
}

.logo:hover .logo-mark {
  transform: rotate(-8deg) scale(1.05);
}

.logo-word {
  background: var(--gradient-brand-3);
  background-size: 200% auto;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

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

.nav-desktop a {
  position: relative;
  padding: 10px 16px;
  font-size: 0.94rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: color var(--dur-fast) var(--ease-soft);
}

.nav-desktop a::after {
  content: "";
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 6px;
  height: 2px;
  border-radius: 2px;
  background: var(--gradient-brand);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--dur) var(--ease);
}

.nav-desktop a:hover,
.nav-desktop a.is-active {
  color: var(--text);
}

.nav-desktop a:hover::after,
.nav-desktop a.is-active::after {
  transform: scaleX(1);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

/* ---------- Theme toggle ---------- */
.theme-toggle {
  position: relative;
  width: 42px;
  height: 42px;
  flex-shrink: 0;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--surface);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: border-color var(--dur-fast) var(--ease-soft), background var(--dur-fast) var(--ease-soft), transform var(--dur-fast) var(--ease-soft);
}

.theme-toggle:hover {
  border-color: var(--border-strong);
  background: var(--surface-hover);
  transform: translateY(-2px);
}

.theme-toggle svg {
  position: absolute;
  width: 18px;
  height: 18px;
  stroke: var(--text);
  transition: opacity var(--dur) var(--ease-soft), transform var(--dur) var(--ease-soft);
}

.theme-toggle .icon-sun {
  opacity: 0;
  transform: rotate(-60deg) scale(0.6);
}

.theme-toggle .icon-moon {
  opacity: 1;
  transform: rotate(0) scale(1);
}

:root[data-theme="light"] .theme-toggle .icon-sun {
  opacity: 1;
  transform: rotate(0) scale(1);
}

:root[data-theme="light"] .theme-toggle .icon-moon {
  opacity: 0;
  transform: rotate(60deg) scale(0.6);
}

/* ---------- Language switcher ---------- */
.lang-switch {
  position: relative;
}

.lang-switch-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  height: 42px;
  padding: 0 14px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border);
  background: var(--surface);
  font-size: 0.86rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--text);
  transition: border-color var(--dur-fast) var(--ease-soft), background var(--dur-fast) var(--ease-soft), transform var(--dur-fast) var(--ease-soft);
}

.lang-switch-btn:hover {
  border-color: var(--border-strong);
  background: var(--surface-hover);
  transform: translateY(-2px);
}

.lang-switch-btn svg {
  width: 14px;
  height: 14px;
  stroke: var(--text-muted);
  transition: transform var(--dur-fast) var(--ease-soft);
}

.lang-switch-btn[aria-expanded="true"] svg {
  transform: rotate(180deg);
}

.lang-switch-menu {
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  min-width: 148px;
  padding: 8px;
  border-radius: var(--radius);
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: opacity var(--dur-fast) var(--ease-soft), transform var(--dur-fast) var(--ease-soft), visibility var(--dur-fast);
  z-index: 110;
}

.lang-switch-menu.is-open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.lang-switch-menu li + li {
  margin-top: 2px;
}

.lang-switch-menu button {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 9px 12px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  color: var(--text-muted);
  text-align: left;
  transition: background var(--dur-fast) var(--ease-soft), color var(--dur-fast) var(--ease-soft);
}

.lang-switch-menu button:hover {
  background: var(--surface-hover);
  color: var(--text);
}

.lang-switch-menu button.is-active {
  color: var(--text);
  background: var(--surface);
}

.lang-switch-menu button.is-active::after {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--gradient-brand);
}

.nav-mobile .lang-switch-inline {
  display: flex;
  gap: 8px;
  margin-top: 8px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
  opacity: 0;
  transform: translateY(10px);
  transition: opacity var(--dur) var(--ease-soft), transform var(--dur) var(--ease-soft);
}

.nav-mobile.is-open .lang-switch-inline {
  opacity: 1;
  transform: translateY(0);
  transition-delay: 0.28s;
}

.nav-mobile .lang-switch-inline button {
  flex: 1;
  padding: 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--surface);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
}

.nav-mobile .lang-switch-inline button.is-active {
  color: var(--text);
  border-color: var(--border-strong);
  background: var(--surface-hover);
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border-radius: 10px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border);
  background: var(--surface);
}

.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after {
  content: "";
  display: block;
  width: 18px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  position: relative;
  transition: transform var(--dur) var(--ease-soft), opacity var(--dur-fast);
}

.nav-toggle span::before {
  position: absolute;
  top: -6px;
}

.nav-toggle span::after {
  position: absolute;
  top: 6px;
}

.nav-toggle[aria-expanded="true"] span {
  background: transparent;
}

.nav-toggle[aria-expanded="true"] span::before {
  top: 0;
  transform: rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span::after {
  top: 0;
  transform: rotate(-45deg);
}

.nav-mobile {
  position: fixed;
  inset: var(--header-h) 0 0 0;
  z-index: 90;
  background: var(--nav-mobile-scrim);
  backdrop-filter: blur(20px);
  display: flex;
  flex-direction: column;
  padding: 32px 24px;
  gap: 8px;
  transform: translateY(-12px);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--dur) var(--ease-soft), transform var(--dur) var(--ease-soft);
}

.nav-mobile.is-open {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.nav-mobile a {
  padding: 16px 4px;
  font-size: 1.4rem;
  font-family: "Space Grotesk", sans-serif;
  font-weight: 600;
  border-bottom: 1px solid var(--border);
  opacity: 0;
  transform: translateY(10px);
  transition: opacity var(--dur) var(--ease-soft), transform var(--dur) var(--ease-soft);
}

.nav-mobile.is-open a {
  opacity: 1;
  transform: translateY(0);
}

.nav-mobile.is-open a:nth-child(1) { transition-delay: 0.05s; }
.nav-mobile.is-open a:nth-child(2) { transition-delay: 0.1s; }
.nav-mobile.is-open a:nth-child(3) { transition-delay: 0.15s; }
.nav-mobile.is-open a:nth-child(4) { transition-delay: 0.2s; }
.nav-mobile.is-open a:nth-child(5) { transition-delay: 0.25s; }

.nav-mobile .btn {
  margin-top: 24px;
}

body.nav-open {
  overflow: hidden;
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding-top: calc(var(--header-h) + clamp(48px, 9vw, 110px));
  padding-bottom: clamp(60px, 9vw, 110px);
  overflow: hidden;
  isolation: isolate;
}

.hero-bg {
  position: absolute;
  inset: -10%;
  z-index: -2;
  pointer-events: none;
}

.hero-bg .blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(70px);
  opacity: var(--blob-opacity);
  animation: float-blob 16s ease-in-out infinite;
}

.hero-bg .blob-1 {
  width: 480px;
  height: 480px;
  top: -10%;
  left: -8%;
  background: radial-gradient(circle at 30% 30%, var(--accent), transparent 70%);
  animation-duration: 18s;
}

.hero-bg .blob-2 {
  width: 420px;
  height: 420px;
  top: 10%;
  right: -10%;
  background: radial-gradient(circle at 60% 40%, var(--accent-2), transparent 70%);
  animation-duration: 22s;
  animation-delay: -4s;
}

.hero-bg .blob-3 {
  width: 360px;
  height: 360px;
  bottom: -15%;
  left: 30%;
  background: radial-gradient(circle at 50% 50%, var(--accent-3), transparent 70%);
  animation-duration: 20s;
  animation-delay: -8s;
}

@keyframes float-blob {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(30px, -40px) scale(1.08); }
  66% { transform: translate(-25px, 25px) scale(0.95); }
}

.hero-grid {
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 30%, #000 20%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 30%, #000 20%, transparent 80%);
}

.hero-glow {
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background: radial-gradient(400px circle at var(--x, 50%) var(--y, 30%), rgba(91, 124, 255, 0.12), transparent 65%);
  transition: background 0.2s ease-out;
}

.hero-inner {
  max-width: 760px;
}

.hero-inner.center {
  margin-inline: auto;
  text-align: center;
}

.hero h1 {
  font-size: clamp(2.3rem, 5.4vw, 4.1rem);
  margin-bottom: 22px;
}

.hero .lede {
  font-size: clamp(1.05rem, 1.6vw, 1.25rem);
  color: var(--text-muted);
  max-width: 600px;
  margin-bottom: 36px;
}

.hero-inner.center .lede {
  margin-inline: auto;
}

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

.hero-inner.center .hero-actions {
  justify-content: center;
}

.scroll-cue {
  position: absolute;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--text-dim);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.scroll-cue .dot-track {
  width: 22px;
  height: 36px;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-pill);
  display: flex;
  justify-content: center;
  padding-top: 6px;
}

.scroll-cue .dot {
  width: 4px;
  height: 8px;
  border-radius: 2px;
  background: var(--accent-3);
  animation: scroll-cue-move 1.8s ease-in-out infinite;
}

@keyframes scroll-cue-move {
  0% { opacity: 0; transform: translateY(0); }
  30% { opacity: 1; }
  100% { opacity: 0; transform: translateY(14px); }
}

/* Page hero (inner pages, smaller) */
.page-hero {
  padding-top: calc(var(--header-h) + 64px);
  padding-bottom: 56px;
  position: relative;
  overflow: hidden;
  isolation: isolate;
}

.page-hero .hero-bg,
.page-hero .hero-grid {
  opacity: 0.7;
}

.page-hero .eyebrow {
  margin-bottom: 18px;
}

.page-hero h1 {
  font-size: clamp(2rem, 4.2vw, 3.1rem);
  max-width: 720px;
  margin-bottom: 18px;
}

.page-hero .lede {
  color: var(--text-muted);
  max-width: 620px;
  font-size: 1.08rem;
}

/* ---------- Marquee (tech stack) ---------- */
.marquee-section {
  padding-block: 40px;
  border-block: 1px solid var(--border);
  background: var(--bg-alt);
}

.marquee-label {
  text-align: center;
  color: var(--text-dim);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 28px;
}

.marquee {
  overflow: hidden;
  mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent);
}

.marquee-track {
  display: flex;
  gap: 48px;
  width: max-content;
  animation: marquee-scroll 32s linear infinite;
}

.marquee:hover .marquee-track {
  animation-play-state: paused;
}

@keyframes marquee-scroll {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

.tech-badge {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 20px;
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  background: var(--surface);
  color: var(--text-muted);
  font-weight: 600;
  font-size: 0.92rem;
  white-space: nowrap;
}

.tech-badge span.dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--gradient-brand);
}

/* ---------- Cards ---------- */
.card {
  position: relative;
  padding: 32px;
  border-radius: var(--radius-lg);
  background: var(--surface);
  border: 1px solid var(--border);
  transition: transform var(--dur) var(--ease-soft), border-color var(--dur) var(--ease-soft), background var(--dur) var(--ease-soft), box-shadow var(--dur) var(--ease-soft);
}

.card:hover {
  transform: translateY(-6px);
  border-color: var(--border-strong);
  background: var(--surface-hover);
  box-shadow: var(--shadow-glow);
}

.card-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-surface);
  border: 1px solid var(--border);
  margin-bottom: 22px;
  transition: transform var(--dur) var(--ease);
}

.card:hover .card-icon {
  transform: scale(1.08) rotate(-4deg);
}

.card-icon svg {
  width: 26px;
  height: 26px;
  stroke: var(--accent-3);
}

.card h3 {
  font-size: 1.2rem;
  margin-bottom: 10px;
}

.card p {
  color: var(--text-muted);
  font-size: 0.98rem;
}

.card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 18px;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--accent-3);
}

.card-link svg {
  width: 16px;
  height: 16px;
  transition: transform var(--dur-fast) var(--ease-soft);
}

.card:hover .card-link svg {
  transform: translateX(4px);
}

.cols-2 { grid-template-columns: repeat(2, 1fr); }
.cols-3 { grid-template-columns: repeat(3, 1fr); }
.cols-4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 980px) {
  .cols-3, .cols-4 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 620px) {
  .cols-2, .cols-3, .cols-4 { grid-template-columns: 1fr; }
}

/* ---------- Stats ---------- */
.stats-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  padding: 40px;
  border-radius: var(--radius-lg);
  background: var(--surface);
  border: 1px solid var(--border);
}

.stat {
  text-align: center;
}

.stat .num {
  font-family: "Space Grotesk", sans-serif;
  font-size: clamp(2rem, 3.4vw, 2.7rem);
  font-weight: 700;
  background: var(--gradient-brand-3);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.stat .label {
  color: var(--text-muted);
  font-size: 0.88rem;
  margin-top: 6px;
}

@media (max-width: 780px) {
  .stats-bar { grid-template-columns: repeat(2, 1fr); }
}

/* ---------- Process / timeline ---------- */
.process-list {
  display: grid;
  gap: 0;
  position: relative;
  counter-reset: step;
}

.process-item {
  position: relative;
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 24px;
  padding-bottom: 48px;
}

.process-item:last-child {
  padding-bottom: 0;
}

.process-marker {
  position: relative;
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--bg-elevated);
  border: 1px solid var(--border-strong);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: "Space Grotesk", sans-serif;
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--accent-3);
  z-index: 1;
}

.process-item:not(:last-child)::before {
  content: "";
  position: absolute;
  top: 64px;
  left: 31px;
  width: 2px;
  bottom: -8px;
  background: linear-gradient(var(--border-strong), transparent);
}

.process-body h3 {
  font-size: 1.2rem;
  margin-bottom: 8px;
  padding-top: 10px;
}

.process-body p {
  color: var(--text-muted);
}

/* ---------- CTA banner ---------- */
.cta-banner {
  position: relative;
  border-radius: var(--radius-lg);
  padding: clamp(40px, 7vw, 72px);
  background: var(--gradient-surface);
  border: 1px solid var(--border);
  overflow: hidden;
  text-align: center;
  isolation: isolate;
}

.cta-banner::before {
  content: "";
  position: absolute;
  inset: -40%;
  z-index: -1;
  background: radial-gradient(circle, rgba(91, 124, 255, 0.25), transparent 60%);
  animation: float-blob 14s ease-in-out infinite;
}

.cta-banner h2 {
  font-size: clamp(1.7rem, 3vw, 2.4rem);
  margin-bottom: 16px;
}

.cta-banner p {
  color: var(--text-muted);
  max-width: 520px;
  margin-inline: auto;
  margin-bottom: 32px;
}

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

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid var(--border);
  padding-block: 64px 32px;
  background: var(--bg-alt);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
}

.footer-brand .logo {
  margin-bottom: 14px;
}

.footer-brand p {
  color: var(--text-muted);
  max-width: 320px;
  font-size: 0.94rem;
  margin-bottom: 20px;
}

.social-row {
  display: flex;
  gap: 10px;
}

.social-row a {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: border-color var(--dur-fast), transform var(--dur-fast), color var(--dur-fast);
  color: var(--text-muted);
}

.social-row a:hover {
  border-color: var(--accent-3);
  color: var(--accent-3);
  transform: translateY(-3px);
}

.social-row svg {
  width: 17px;
  height: 17px;
}

.footer-col h4 {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-dim);
  margin-bottom: 18px;
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-col a {
  color: var(--text-muted);
  font-size: 0.94rem;
  transition: color var(--dur-fast);
}

.footer-col a:hover {
  color: var(--text);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  padding-top: 28px;
  border-top: 1px solid var(--border);
  color: var(--text-dim);
  font-size: 0.86rem;
}

.footer-bottom .legal-links {
  display: flex;
  gap: 20px;
}

@media (max-width: 900px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 560px) {
  .footer-grid { grid-template-columns: 1fr; }
}

/* ---------- Forms ---------- */
.field {
  margin-bottom: 22px;
}

.field label {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text-muted);
}

.field input,
.field textarea,
.field select {
  width: 100%;
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
  transition: border-color var(--dur-fast) var(--ease-soft), background var(--dur-fast) var(--ease-soft), box-shadow var(--dur-fast) var(--ease-soft);
}

.field textarea {
  resize: vertical;
  min-height: 140px;
}

.field input:focus,
.field textarea:focus,
.field select:focus {
  outline: none;
  border-color: var(--accent);
  background: var(--bg-elevated);
  box-shadow: 0 0 0 4px rgba(91, 124, 255, 0.15);
}

.field-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

@media (max-width: 620px) {
  .field-row { grid-template-columns: 1fr; }
}

.form-note {
  font-size: 0.85rem;
  color: var(--text-dim);
  margin-top: 14px;
}

.form-status {
  margin-top: 18px;
  padding: 14px 18px;
  border-radius: var(--radius-sm);
  font-size: 0.92rem;
  display: none;
  align-items: center;
  gap: 10px;
}

.form-status.is-visible {
  display: flex;
}

.form-status.success {
  background: rgba(52, 211, 153, 0.12);
  border: 1px solid rgba(52, 211, 153, 0.35);
  color: var(--success);
}

.form-status.error {
  background: rgba(251, 113, 133, 0.12);
  border: 1px solid rgba(251, 113, 133, 0.35);
  color: #fb7185;
}

/* ---------- Contact info cards ---------- */
.contact-info-card {
  display: flex;
  gap: 16px;
  padding: 22px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--surface);
  margin-bottom: 16px;
}

.contact-info-card .icon {
  width: 44px;
  height: 44px;
  flex-shrink: 0;
  border-radius: var(--radius-sm);
  background: var(--gradient-surface);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
}

.contact-info-card .icon svg {
  width: 20px;
  height: 20px;
  stroke: var(--accent-3);
}

.contact-info-card h4 {
  font-size: 0.95rem;
  margin-bottom: 4px;
}

.contact-info-card p,
.contact-info-card a {
  color: var(--text-muted);
  font-size: 0.94rem;
}

.contact-info-card a:hover {
  color: var(--accent-3);
}

/* ---------- Team / people placeholders ---------- */
.person-card {
  text-align: center;
  padding: 28px 20px;
}

.person-avatar {
  width: 88px;
  height: 88px;
  border-radius: 50%;
  margin: 0 auto 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: "Space Grotesk", sans-serif;
  font-weight: 700;
  font-size: 1.4rem;
  color: #fff;
  background: var(--gradient-brand);
  border: 2px dashed var(--avatar-dash);
}

.person-card h3 {
  font-size: 1.05rem;
  margin-bottom: 4px;
}

.person-card .role {
  color: var(--accent-3);
  font-size: 0.88rem;
  margin-bottom: 10px;
}

.person-card p.bio {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.placeholder-tag {
  display: inline-block;
  margin-top: 12px;
  padding: 4px 10px;
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border-radius: var(--radius-pill);
  border: 1px dashed var(--border-strong);
  color: var(--text-dim);
}

/* ---------- Value / bullet lists ---------- */
.check-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.check-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  color: var(--text-muted);
}

.check-list svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  stroke: var(--success);
  margin-top: 2px;
}

/* ---------- Alternating feature rows (Leistungen) ---------- */
.feature-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
  padding-block: 56px;
  border-bottom: 1px solid var(--border);
}

.feature-row:last-of-type {
  border-bottom: none;
}

.feature-row.reverse .feature-visual {
  order: 2;
}

.feature-visual {
  position: relative;
  aspect-ratio: 4 / 3;
  border-radius: var(--radius-lg);
  background: var(--gradient-surface);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.feature-visual svg {
  width: 40%;
  height: 40%;
  stroke: var(--accent-3);
  opacity: 0.85;
}

.feature-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 28px 28px;
}

.feature-text .eyebrow {
  margin-bottom: 12px;
}

.feature-text h3 {
  font-size: 1.6rem;
  margin-bottom: 14px;
}

.feature-text > p {
  color: var(--text-muted);
  margin-bottom: 20px;
}

@media (max-width: 860px) {
  .feature-row,
  .feature-row.reverse {
    grid-template-columns: 1fr;
  }
  .feature-row.reverse .feature-visual {
    order: 0;
  }
}

/* ---------- Values / mission cards (Über uns) ---------- */
.value-card {
  text-align: left;
}

/* ---------- 404 ---------- */
.error-page {
  min-height: 100svh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 120px 24px 60px;
  position: relative;
  overflow: hidden;
}

.error-code {
  font-family: "Space Grotesk", sans-serif;
  font-size: clamp(5rem, 18vw, 9rem);
  font-weight: 700;
  line-height: 1;
  background: var(--gradient-brand-3);
  background-size: 200% auto;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: gradient-shift 5s ease-in-out infinite;
}

/* ---------- Scroll reveal ---------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
  transition-delay: var(--reveal-delay, 0s);
}

[data-reveal="fade"] {
  transform: none;
}

[data-reveal="scale"] {
  transform: scale(0.92);
}

[data-reveal="left"] {
  transform: translateX(-32px);
}

[data-reveal="right"] {
  transform: translateX(32px);
}

[data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

/* ---------- Misc ---------- */
.divider {
  height: 1px;
  background: var(--border);
  border: none;
  margin-block: 0;
}

.pill-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  background: var(--surface);
  border: 1px solid var(--border);
  font-size: 0.82rem;
  color: var(--text-muted);
}

.legal-content {
  max-width: var(--container-narrow);
  margin-inline: auto;
  padding-top: calc(var(--header-h) + 56px);
  padding-bottom: 100px;
}

.legal-content h2 {
  font-size: 1.3rem;
  margin-top: 40px;
  margin-bottom: 14px;
}

.legal-content h2:first-of-type {
  margin-top: 0;
}

.legal-content p,
.legal-content li {
  color: var(--text-muted);
  margin-bottom: 12px;
}

.legal-content p {
  /* Content is plain text (no HTML), so literal "\n" line breaks from
     content/*.json render via CSS instead of innerHTML. */
  white-space: pre-line;
}

.legal-content ul {
  padding-left: 4px;
  margin-bottom: 16px;
}

.legal-content li {
  position: relative;
  padding-left: 18px;
}

.legal-content li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--accent-3);
}

.legal-note {
  padding: 18px 20px;
  border-radius: var(--radius);
  background: rgba(251, 191, 36, 0.08);
  border: 1px solid rgba(251, 191, 36, 0.3);
  color: var(--warning);
  font-size: 0.92rem;
  margin-bottom: 32px;
}

/* ---------- Responsive: header/nav ---------- */
@media (max-width: 880px) {
  .nav-desktop,
  .header-actions .btn,
  .header-actions .lang-switch {
    display: none;
  }
  .nav-toggle {
    display: flex;
  }
}

@media (min-width: 881px) {
  .nav-mobile .lang-switch-inline {
    display: none;
  }
}

@media (min-width: 881px) {
  .nav-mobile {
    display: none;
  }
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
  [data-reveal] {
    opacity: 1;
    transform: none;
  }
}

/* ---------- Native cross-document view transitions (progressive enhancement) ---------- */
@media (prefers-reduced-motion: no-preference) {
  @view-transition {
    navigation: auto;
  }
}