@import url('https://fonts.googleapis.com/css2?family=Familjen+Grotesk:wght@500;600;700&family=IBM+Plex+Mono:wght@400;500&family=Manrope:wght@400;500;600;700&display=swap');

:root {
  --void: #050713;
  --deep-space: #0a1022;
  --surface: #101a31;
  --surface-raised: #16223e;
  --signal: #3478f6;
  --aurora: #6ec7ff;
  --frost: #f4f7ff;
  --slate: #95a5bf;
  --muted: #6f809e;
  --line: rgba(137, 170, 220, 0.16);
  --line-strong: rgba(137, 183, 255, 0.32);
  --glow: rgba(52, 120, 246, 0.22);
  --bg-primary: var(--void);
  --bg-secondary: var(--deep-space);
  --bg-card: var(--surface);
  --bg-card-hover: var(--surface-raised);
  --accent: var(--signal);
  --accent-hover: var(--aurora);
  --accent-glow: var(--glow);
  --accent-dim: rgba(52, 120, 246, 0.12);
  --text-primary: var(--frost);
  --text-secondary: var(--slate);
  --text-muted: var(--muted);
  --border: var(--line);
  --border-light: var(--line-strong);
  --nav-height: 100px;
  --radius-sm: 14px;
  --radius-md: 24px;
  --radius-lg: 40px;
}

html {
  scroll-padding-top: calc(var(--nav-height) + 18px);
}

body {
  min-height: 100vh;
  overflow-x: hidden;
  background:
    radial-gradient(circle at 8% -8%, rgba(52, 120, 246, 0.14), transparent 31rem),
    radial-gradient(circle at 92% 18%, rgba(110, 199, 255, 0.07), transparent 28rem),
    var(--void);
  color: var(--frost);
  font-family: "Manrope", system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.68;
}

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

.skip-link {
  position: fixed;
  top: 10px;
  left: 16px;
  z-index: 10000;
  padding: 10px 16px;
  border-radius: 999px;
  background: var(--frost);
  color: var(--void);
  transform: translateY(-180%);
  transition: transform 160ms ease;
}

.skip-link:focus {
  transform: translateY(0);
}

a,
button,
input,
select,
textarea {
  -webkit-tap-highlight-color: transparent;
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 3px solid var(--aurora);
  outline-offset: 4px;
}

.container {
  width: min(1200px, calc(100% - 48px));
  max-width: none;
  margin-inline: auto;
  padding: 0;
}

.section {
  position: relative;
  padding: clamp(92px, 10vw, 154px) 0;
}

.section-alt {
  background:
    radial-gradient(circle at 18% 40%, rgba(52, 120, 246, 0.11), transparent 27rem),
    radial-gradient(circle at 82% 68%, rgba(110, 199, 255, 0.055), transparent 22rem);
}

.section-header {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.8fr);
  column-gap: clamp(36px, 7vw, 104px);
  row-gap: 16px;
  align-items: end;
  margin-bottom: clamp(54px, 8vw, 94px);
}

.section-header .section-title:only-child {
  grid-column: 1 / -1;
}

.section-title,
.page-hero h1,
.hero h1,
.cta-banner h2 {
  color: var(--frost);
  font-family: "Familjen Grotesk", sans-serif;
  font-weight: 600;
  letter-spacing: -0.055em;
  text-wrap: balance;
}

.section-title {
  max-width: 820px;
  margin: 0;
  font-size: clamp(2.5rem, 5vw, 4.8rem);
  line-height: 0.98;
}

.section-subtitle {
  max-width: 690px;
  margin: 0;
  color: var(--slate);
  font-size: clamp(1rem, 1.4vw, 1.14rem);
  line-height: 1.75;
}

.btn {
  min-height: 50px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 13px 24px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-family: "Manrope", sans-serif;
  font-size: 0.83rem;
  font-weight: 700;
  letter-spacing: 0.015em;
  line-height: 1.2;
  transition: transform 180ms ease, background-color 180ms ease, border-color 180ms ease, color 180ms ease, box-shadow 180ms ease;
}

.btn-primary {
  background: var(--signal);
  color: #fff;
  box-shadow: 0 10px 30px rgba(52, 120, 246, 0.26);
}

.btn-primary:hover {
  background: #4387ff;
  box-shadow: 0 15px 36px rgba(52, 120, 246, 0.35);
  transform: translateY(-2px);
}

.btn-outline {
  border-color: var(--line-strong);
  background: rgba(255, 255, 255, 0.025);
  color: var(--frost);
}

.btn-outline:hover {
  border-color: var(--aurora);
  background: rgba(110, 199, 255, 0.08);
  color: var(--aurora);
  transform: translateY(-2px);
}

.card-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--aurora);
  font-size: 0.84rem;
  font-weight: 700;
}

/* Navigation */
nav {
  position: fixed;
  top: 18px;
  right: auto;
  left: 50%;
  width: min(1200px, calc(100% - 32px));
  height: 66px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(8, 13, 28, 0.76);
  box-shadow: 0 18px 58px rgba(0, 0, 0, 0.28);
  backdrop-filter: blur(22px) saturate(140%);
  -webkit-backdrop-filter: blur(22px) saturate(140%);
  transform: translateX(-50%);
  transition: background-color 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

nav.scrolled {
  border-color: rgba(137, 183, 255, 0.25);
  background: rgba(5, 7, 19, 0.92);
  box-shadow: 0 18px 60px rgba(0, 0, 0, 0.42);
}

.nav-inner {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 7px 8px 7px 20px;
}

.nav-logo {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  color: var(--frost);
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.nav-logo span {
  color: var(--aurora);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 3px;
  padding: 4px;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.025);
}

.nav-links a {
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  padding: 0 15px;
  border-radius: 4px;
  color: var(--slate);
  font-size: 0.75rem;
  font-weight: 600;
}

.nav-links a:hover,
.nav-links a.active {
  background: rgba(52, 120, 246, 0.12);
  color: var(--frost);
}

.nav-links a.active::after {
  display: none;
}

.nav-cta {
  min-height: 48px;
  margin: 0;
  padding-inline: 21px;
  border-radius: 5px;
}

.nav-hamburger {
  width: 46px;
  height: 46px;
  align-items: center;
  justify-content: center;
  gap: 5px;
  padding: 10px;
  border: 1px solid var(--line-strong);
  border-radius: 5px;
  background: rgba(255, 255, 255, 0.025);
}

.nav-hamburger span {
  width: 21px;
  height: 1.5px;
  border-radius: 3px;
  background: var(--frost);
}

.nav-mobile {
  position: fixed;
  top: 96px;
  right: 16px;
  left: 16px;
  z-index: 999;
  display: none;
  flex-direction: column;
  gap: 6px;
  padding: 16px;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  background: rgba(10, 16, 34, 0.97);
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(20px);
}

.nav-mobile.open {
  display: flex;
}

.nav-mobile a {
  min-height: 48px;
  display: flex;
  align-items: center;
  padding: 0 16px;
  border-radius: 4px;
  color: var(--slate);
  font-size: 0.9rem;
  font-weight: 600;
}

.nav-mobile a:hover,
.nav-mobile a.active {
  background: rgba(52, 120, 246, 0.13);
  color: var(--frost);
}

.nav-mobile a.btn-primary {
  background: var(--signal);
  color: #fff;
}

.nav-mobile a.btn-primary:hover {
  background: #4387ff;
  color: #fff;
}

/* Home hero */
.hero {
  position: relative;
  min-height: 860px;
  overflow: hidden;
  padding: 154px 0 100px;
  background: transparent;
}

.hero::before {
  position: absolute;
  top: 2%;
  left: 48%;
  width: 54vw;
  height: 54vw;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(52, 120, 246, 0.13), rgba(52, 120, 246, 0.035) 38%, transparent 68%);
  content: "";
  filter: blur(2px);
  pointer-events: none;
}

.hero-bg,
.hero-grid {
  display: none;
}

.hero .container {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(420px, 0.92fr);
  gap: clamp(34px, 5vw, 80px);
  align-items: center;
}

.hero-content {
  max-width: 720px;
  padding: 0;
}

.hero h1 {
  max-width: 760px;
  margin: 0 0 28px;
  font-size: clamp(4.25rem, 7.2vw, 7.15rem);
  line-height: 0.86;
}

.hero h1 .highlight {
  position: relative;
  display: inline-block;
  color: var(--aurora);
}

.hero h1 .highlight::after {
  display: none;
}

.hero p {
  max-width: 630px;
  margin: 0 0 34px;
  color: var(--slate);
  font-size: clamp(1rem, 1.5vw, 1.17rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 0;
}

/* Signature signal map */
.signal-map {
  position: relative;
  width: min(100%, 560px);
  aspect-ratio: 1;
  justify-self: end;
  isolation: isolate;
}

.signal-map::before,
.signal-map::after {
  position: absolute;
  border-radius: 50%;
  content: "";
  pointer-events: none;
}

.signal-map::before {
  inset: 8%;
  z-index: -2;
  border: 1px solid rgba(110, 199, 255, 0.08);
  box-shadow: inset 0 0 90px rgba(52, 120, 246, 0.06), 0 0 100px rgba(52, 120, 246, 0.08);
}

.signal-map::after {
  inset: 23%;
  z-index: -1;
  border: 1px dashed rgba(110, 199, 255, 0.13);
  animation: orbit-spin 30s linear infinite;
}

.signal-map__paths {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  overflow: visible;
}

.signal-map__paths path {
  fill: none;
  stroke: rgba(110, 199, 255, 0.42);
  stroke-width: 1.4;
  stroke-linecap: round;
  stroke-dasharray: 7 10;
  animation: signal-flow 16s linear infinite;
}

.signal-map__paths path:nth-child(even) {
  animation-direction: reverse;
}

.signal-map__core {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 172px;
  height: 172px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(110, 199, 255, 0.35);
  border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, rgba(110, 199, 255, 0.18), rgba(16, 26, 49, 0.93) 58%);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.38), inset 0 0 45px rgba(52, 120, 246, 0.12);
  text-align: center;
  transform: translate(-50%, -50%);
}

.signal-map__pulse {
  position: absolute;
  inset: -1px;
  border: 1px solid rgba(110, 199, 255, 0.44);
  border-radius: inherit;
  animation: signal-pulse 3s ease-out infinite;
}

.signal-map__core > span:not(.signal-map__pulse) {
  color: var(--slate);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.59rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.signal-map__core strong {
  margin: 2px 0 0;
  color: var(--frost);
  font-family: "Familjen Grotesk", sans-serif;
  font-size: 2rem;
  letter-spacing: -0.04em;
}

.signal-map__core small {
  color: var(--aurora);
  font-size: 0.7rem;
}

.signal-map__node {
  position: absolute;
  z-index: 2;
  min-height: 42px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 0 16px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: rgba(10, 16, 34, 0.9);
  color: var(--frost);
  font-size: 0.75rem;
  font-weight: 700;
  box-shadow: 0 14px 34px rgba(0, 0, 0, 0.3);
  backdrop-filter: blur(12px);
  transition: border-color 180ms ease, background-color 180ms ease, color 180ms ease, transform 180ms ease;
}

.signal-map__node::before {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--signal);
  box-shadow: 0 0 12px var(--signal);
  content: "";
}

.signal-map__node:hover {
  border-color: var(--aurora);
  background: rgba(52, 120, 246, 0.15);
  color: var(--aurora);
  transform: translateY(-3px);
}

.signal-map__node--support { top: 12%; left: 6%; }
.signal-map__node--network { top: 15%; right: 2%; }
.signal-map__node--security { top: 62%; left: -1%; }
.signal-map__node--repair { top: 65%; right: -1%; }
.signal-map__node--web { bottom: 4%; left: 50%; transform: translateX(-50%); }
.signal-map__node--web:hover { transform: translate(-50%, -3px); }

@keyframes signal-flow {
  to { stroke-dashoffset: -170; }
}

@keyframes orbit-spin {
  to { transform: rotate(360deg); }
}

@keyframes signal-pulse {
  0% { opacity: 0.65; transform: scale(1); }
  75%, 100% { opacity: 0; transform: scale(1.22); }
}

/* Home services */
.services-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 clamp(44px, 8vw, 114px);
  border: 0;
}

.service-card {
  position: relative;
  min-height: 0;
  padding: 30px 0 44px;
  border: 0;
  border-bottom: 1px solid var(--line);
  border-radius: 0;
  background: transparent;
  counter-increment: none;
  transition: border-color 180ms ease, transform 220ms ease;
}

.service-card::before {
  display: none;
}

.service-card:hover {
  border-color: rgba(110, 199, 255, 0.56);
  background: transparent;
  box-shadow: none;
  transform: translateX(7px);
}

.service-icon {
  width: 54px;
  height: 54px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 28px;
  border: 1px solid rgba(110, 199, 255, 0.28);
  border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, rgba(110, 199, 255, 0.18), rgba(52, 120, 246, 0.07));
  color: var(--aurora);
}

.service-card h3 {
  margin-bottom: 10px;
  color: var(--frost);
  font-family: "Familjen Grotesk", sans-serif;
  font-size: clamp(1.4rem, 2.2vw, 1.8rem);
  font-weight: 600;
  letter-spacing: -0.035em;
}

.service-card p {
  max-width: 470px;
  margin-bottom: 24px;
  color: var(--slate);
}

.service-card:last-child {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  column-gap: 26px;
  align-items: center;
}

.service-card:last-child .service-icon {
  grid-row: 1 / span 2;
  margin: 0;
}

.service-card:last-child h3 {
  align-self: end;
}

.service-card:last-child p {
  align-self: start;
  margin: 0;
}

.service-card:last-child .card-link {
  grid-column: 3;
  grid-row: 1 / span 2;
}

/* Why Steven */
.why-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(32px, 6vw, 80px);
  border: 0;
}

.why-card {
  min-height: 0;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
}

.why-card:hover {
  border: 0;
  background: transparent;
}

.why-icon,
.contact-item-icon {
  width: 46px;
  height: 46px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 25px;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  background: rgba(52, 120, 246, 0.08);
  color: var(--aurora);
}

.why-card h3,
.why-card h4 {
  margin-bottom: 10px;
  color: var(--frost);
  font-family: "Familjen Grotesk", sans-serif;
  font-size: 1.38rem;
  font-weight: 600;
  letter-spacing: -0.025em;
}

.why-card p {
  color: var(--slate);
}

/* CTA */
.cta-banner {
  position: relative;
  overflow: hidden;
  padding: clamp(54px, 7vw, 90px);
  border: 1px solid rgba(110, 199, 255, 0.18);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(circle at 86% 30%, rgba(110, 199, 255, 0.19), transparent 24rem),
    linear-gradient(135deg, rgba(52, 120, 246, 0.18), rgba(16, 26, 49, 0.94) 54%, rgba(10, 16, 34, 0.96));
  box-shadow: 0 40px 100px rgba(0, 0, 0, 0.28);
  color: var(--frost);
  text-align: left;
}

.cta-banner::before,
.cta-banner::after {
  position: absolute;
  right: -74px;
  border: 1px solid rgba(110, 199, 255, 0.15);
  border-radius: 50%;
  content: "";
  pointer-events: none;
}

.cta-banner::before {
  top: -130px;
  width: 420px;
  height: 420px;
}

.cta-banner::after {
  top: -48px;
  right: 8px;
  width: 254px;
  height: 254px;
}

.cta-banner h2 {
  position: relative;
  z-index: 1;
  max-width: 740px;
  margin-bottom: 18px;
  font-size: clamp(2.7rem, 5.6vw, 5.3rem);
  line-height: 0.92;
}

.cta-banner p {
  position: relative;
  z-index: 1;
  max-width: 640px;
  color: #b5c2d7;
  font-size: 1.06rem;
}

.cta-actions {
  position: relative;
  z-index: 1;
  display: flex;
  justify-content: flex-start;
  gap: 12px;
}

/* Footer */
footer {
  position: relative;
  overflow: hidden;
  padding: 88px 0 34px;
  border: 0;
  background: linear-gradient(180deg, rgba(10, 16, 34, 0.4), #03050d 62%);
}

footer::before {
  position: absolute;
  right: -160px;
  bottom: -260px;
  width: 620px;
  height: 620px;
  border: 1px solid rgba(110, 199, 255, 0.08);
  border-radius: 50%;
  content: "";
}

.footer-grid {
  position: relative;
  display: grid;
  grid-template-columns: 1.7fr repeat(3, 0.72fr);
  gap: 52px;
}

footer .nav-logo {
  margin-bottom: 22px;
  color: var(--frost);
}

.footer-brand p {
  max-width: 330px;
  color: var(--slate);
}

.footer-col h4 {
  margin-bottom: 18px;
  color: var(--frost);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.67rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

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

.footer-col a,
.footer-contact p {
  color: var(--slate);
}

.footer-col a:hover,
.footer-contact a,
.footer-bottom a {
  color: var(--aurora);
}

.footer-bottom {
  position: relative;
  margin-top: 66px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}

.footer-bottom p {
  color: var(--muted);
}

/* Shared inner-page hero */
.page-hero {
  position: relative;
  min-height: 610px;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  padding: 176px 0 92px;
  border: 0;
  background:
    radial-gradient(circle at 82% 36%, rgba(52, 120, 246, 0.15), transparent 24rem),
    radial-gradient(circle at 68% 104%, rgba(110, 199, 255, 0.07), transparent 30rem);
}

.page-hero::before,
.page-hero::after {
  position: absolute;
  border: 1px solid rgba(110, 199, 255, 0.1);
  border-radius: 50%;
  content: "";
  pointer-events: none;
}

.page-hero::before {
  top: 80px;
  right: -130px;
  width: 520px;
  height: 520px;
}

.page-hero::after {
  top: 166px;
  right: -42px;
  width: 340px;
  height: 340px;
}

.page-hero .container {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 0.42fr) minmax(0, 1.58fr);
  column-gap: clamp(36px, 7vw, 104px);
  align-items: start;
  padding: 0;
  border: 0;
}

.page-hero .breadcrumb {
  grid-column: 1;
  grid-row: 1 / span 3;
}

.page-hero .section-title,
.page-hero .section-subtitle {
  grid-column: 2;
}

.page-hero .section-title {
  max-width: 900px;
  margin-bottom: 24px;
  font-size: clamp(3.55rem, 7vw, 7rem);
  line-height: 0.9;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 4px 0 0;
  color: var(--muted);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.65rem;
  letter-spacing: 0.055em;
  text-transform: uppercase;
}

.breadcrumb a {
  color: var(--aurora);
}

/* Services */
.services-subnav {
  position: sticky;
  top: 96px;
  z-index: 50;
  padding: 15px 0;
  border: 0;
  background: rgba(5, 7, 19, 0.72);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.services-subnav-inner {
  width: fit-content;
  max-width: 100%;
  display: flex;
  gap: 5px;
  padding: 5px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.025);
  overflow-x: auto;
  scrollbar-width: none;
}

.services-subnav-inner::-webkit-scrollbar {
  display: none;
}

.subnav-link {
  min-height: 42px;
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  gap: 7px;
  padding: 0 14px;
  border: 0;
  border-radius: 999px;
  color: var(--slate);
  font-size: 0.71rem;
  font-weight: 600;
  white-space: nowrap;
}

.subnav-link:hover,
.subnav-link.active {
  border: 0;
  background: rgba(52, 120, 246, 0.15);
  color: var(--aurora);
}

.services-stack {
  display: flex;
  flex-direction: column;
}

.services-subnav + .section {
  padding-top: clamp(72px, 7vw, 104px);
  padding-bottom: 0;
}

.service-block {
  position: relative;
  padding: clamp(78px, 9vw, 132px) 0;
  border: 0;
  border-bottom: 1px solid var(--line);
}

.service-block:first-child {
  padding-top: 0;
}

.service-block:last-child {
  border-bottom: 0;
}

.service-block-content {
  display: grid;
  grid-template-columns: minmax(170px, 0.48fr) minmax(0, 1.52fr);
  column-gap: clamp(46px, 8vw, 120px);
  row-gap: 22px;
  align-items: start;
}

.service-tag {
  grid-row: 1 / span 4;
  align-self: start;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  color: var(--aurora);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.65rem;
  letter-spacing: 0.055em;
  text-transform: uppercase;
}

.service-tag svg {
  width: 32px;
  height: 32px;
  padding: 7px;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  stroke: currentColor;
}

.service-block-content h2 {
  max-width: 850px;
  margin: 0;
  color: var(--frost);
  font-family: "Familjen Grotesk", sans-serif;
  font-size: clamp(2.5rem, 5vw, 4.8rem);
  font-weight: 600;
  letter-spacing: -0.055em;
  line-height: 0.98;
  text-wrap: balance;
}

.service-block-content > p {
  max-width: 720px;
  color: var(--slate);
  font-size: 1.03rem;
  line-height: 1.78;
}

.feature-list {
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  gap: 9px;
  max-width: 850px;
  margin: 12px 0 8px;
  border: 0;
}

.feature-list li {
  min-height: 42px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 13px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.018);
  color: #afbdd1;
  font-size: 0.83rem;
}

.feature-check {
  width: 18px;
  height: 18px;
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  justify-content: center;
  border: 0;
  border-radius: 50%;
  background: rgba(52, 120, 246, 0.16);
}

.feature-check svg {
  width: 11px;
  height: 11px;
  stroke: var(--aurora);
}

.service-block-content > .btn {
  justify-self: start;
}

/* Tools */
.tools-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
  border: 0;
}

.tool-card {
  position: relative;
  min-height: 350px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  padding: 36px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 30px;
  background:
    radial-gradient(circle at 88% 12%, rgba(52, 120, 246, 0.12), transparent 15rem),
    rgba(16, 26, 49, 0.58);
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.16);
  transition: border-color 180ms ease, transform 220ms ease, box-shadow 220ms ease;
}

.tool-card::after {
  position: absolute;
  right: -46px;
  bottom: -82px;
  width: 190px;
  height: 190px;
  border: 1px solid rgba(110, 199, 255, 0.09);
  border-radius: 50%;
  content: "";
}

.tool-card:hover {
  border-color: rgba(110, 199, 255, 0.34);
  background:
    radial-gradient(circle at 88% 12%, rgba(52, 120, 246, 0.17), transparent 15rem),
    rgba(16, 26, 49, 0.72);
  box-shadow: 0 32px 76px rgba(0, 0, 0, 0.25);
  transform: translateY(-6px);
}

.tool-card.coming-soon {
  opacity: 0.62;
}

.tool-card .service-icon {
  margin-bottom: 42px !important;
}

.tool-card h3 {
  margin-bottom: 12px;
  color: var(--frost);
  font-family: "Familjen Grotesk", sans-serif;
  font-size: 1.8rem;
  font-weight: 600;
  letter-spacing: -0.035em;
}

.tool-card p {
  max-width: 510px;
  margin-bottom: 28px;
  color: var(--slate);
}

.tool-card .btn {
  position: relative;
  z-index: 1;
  margin-top: auto;
}

/* Contact */
.contact-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.78fr) minmax(500px, 1.22fr);
  gap: clamp(64px, 9vw, 130px);
  align-items: start;
}

.contact-info h2 {
  margin-bottom: 16px;
  color: var(--frost);
  font-family: "Familjen Grotesk", sans-serif;
  font-size: clamp(2.4rem, 4vw, 4rem);
  font-weight: 600;
  letter-spacing: -0.05em;
  line-height: 1;
}

.contact-info > p {
  margin-bottom: 38px;
  color: var(--slate);
}

.contact-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 18px;
  align-items: start;
  padding: 20px 0;
  border: 0;
  border-bottom: 1px solid var(--line);
}

.contact-item-icon {
  width: 40px;
  height: 40px;
  margin: 0;
}

.contact-item h3,
.contact-item h4 {
  margin: 1px 0 4px;
  color: var(--frost);
  font-size: 0.84rem;
  font-weight: 700;
}

.contact-item p {
  color: var(--slate);
  font-size: 0.88rem;
}

.contact-item a {
  color: var(--aurora);
}

.contact-services {
  margin-top: 34px;
  padding: 0;
  border: 0;
  background: transparent;
}

.contact-services__label {
  margin-bottom: 14px !important;
  color: var(--muted) !important;
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.63rem !important;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.contact-services ul {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.contact-services li {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 7px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--slate);
  font-size: 0.75rem;
}

.contact-services svg {
  stroke: var(--aurora);
}

.contact-form {
  position: relative;
  padding: clamp(32px, 5vw, 54px);
  overflow: hidden;
  border: 1px solid rgba(110, 199, 255, 0.2);
  border-radius: 36px;
  background:
    radial-gradient(circle at 88% 0%, rgba(52, 120, 246, 0.15), transparent 18rem),
    rgba(16, 26, 49, 0.76);
  box-shadow: 0 36px 90px rgba(0, 0, 0, 0.26);
}

.contact-form h3 {
  margin-bottom: 32px;
  color: var(--frost);
  font-family: "Familjen Grotesk", sans-serif;
  font-size: 2rem;
  font-weight: 600;
  letter-spacing: -0.035em;
}

.form-group label {
  color: #b3c0d4;
  font-size: 0.72rem;
  font-weight: 700;
}

.form-group input,
.form-group select,
.form-group textarea {
  min-height: 52px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(5, 7, 19, 0.58);
  color: var(--frost);
}

.form-group textarea {
  min-height: 142px;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--aurora);
  box-shadow: 0 0 0 4px rgba(52, 120, 246, 0.12);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: #62728d;
}

.form-note {
  color: var(--muted);
}

.form-success {
  border: 1px solid rgba(89, 217, 160, 0.28);
  border-radius: 14px;
  background: rgba(89, 217, 160, 0.08);
  color: #7ce0b3;
}

/* File converter */
.converter-page {
  min-height: 100vh;
  background:
    radial-gradient(circle at 50% -12%, rgba(52, 120, 246, 0.18), transparent 34rem),
    var(--void);
  color: var(--frost);
  font-family: "Manrope", sans-serif;
}

.converter-page #site-header {
  min-height: 82px;
  padding: 14px max(20px, calc((100% - 1180px) / 2));
  border: 0;
  border-bottom: 1px solid var(--line);
  background: rgba(5, 7, 19, 0.74);
  backdrop-filter: blur(20px);
}

.converter-page #header-brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  color: var(--frost);
  font-size: 0.95rem;
}

.converter-page #header-brand::before {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(110, 199, 255, 0.5);
  border-radius: 50%;
  background: rgba(52, 120, 246, 0.08);
  color: var(--aurora);
  content: "ST";
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.68rem;
}

.converter-page #header-brand span,
.converter-page #back-link {
  color: var(--aurora);
}

.converter-page #wrap {
  max-width: 790px;
  padding: 76px 24px 100px;
}

.converter-page #page-title {
  margin-bottom: 10px;
  color: var(--frost);
  font-family: "Familjen Grotesk", sans-serif;
  font-size: clamp(3.5rem, 8vw, 6rem);
  font-weight: 600;
  letter-spacing: -0.06em;
  line-height: 0.9;
}

.converter-page #page-sub {
  margin-bottom: 40px;
  color: var(--slate);
  font-size: 1rem;
}

.converter-page #conversions-card,
.converter-page #drop-zone,
.converter-page #file-info,
.converter-page #options-card,
.converter-page #progress-area,
.converter-page #results-card {
  border: 1px solid var(--line);
  border-radius: 24px;
  background:
    radial-gradient(circle at 90% 0%, rgba(52, 120, 246, 0.09), transparent 13rem),
    rgba(16, 26, 49, 0.64);
}

.converter-page #conversions-card {
  padding: 0;
  overflow: hidden;
}

.converter-page #conversions-toggle {
  width: 100%;
  padding: 19px 22px;
  border: 0;
  background: transparent;
  color: var(--frost);
  font-family: "Manrope", sans-serif;
}

.converter-page #conversions-toggle:hover {
  background: rgba(52, 120, 246, 0.07);
}

.converter-page #conversions-body.open {
  padding: 0 20px 20px;
  border: 0;
}

.converter-page .conv-row {
  border-color: var(--line);
  border-radius: 12px;
  background: rgba(5, 7, 19, 0.34);
}

.converter-page #drop-zone {
  min-height: 310px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 48px 28px;
  border-style: dashed;
}

.converter-page #drop-zone:hover,
.converter-page #drop-zone.drag-over {
  border-color: var(--aurora);
  background:
    radial-gradient(circle at 50% 40%, rgba(52, 120, 246, 0.16), transparent 18rem),
    rgba(16, 26, 49, 0.72);
}

.converter-page #dz-icon {
  color: var(--aurora);
  font-size: 0;
}

.converter-page #dz-icon::before {
  width: 60px;
  height: 60px;
  display: inline-grid;
  place-items: center;
  border: 1px solid rgba(110, 199, 255, 0.4);
  border-radius: 50%;
  background: rgba(52, 120, 246, 0.1);
  content: "↥";
  font-family: "Manrope", sans-serif;
  font-size: 1.5rem;
}

.converter-page #dz-primary,
.converter-page #fi-name,
.converter-page #options-title {
  color: var(--frost);
}

.converter-page #dz-secondary,
.converter-page #page-sub {
  color: var(--slate);
}

.converter-page #browse-btn,
.converter-page #fi-clear {
  min-height: 44px;
  padding: 9px 18px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.025);
  color: var(--frost);
  font-family: "Manrope", sans-serif;
}

.converter-page #browse-btn:hover,
.converter-page #fi-clear:hover {
  border-color: var(--aurora);
  background: rgba(52, 120, 246, 0.12);
  color: var(--aurora);
}

.converter-page .fmt-btn,
.converter-page .format-option span,
.converter-page #quality-select {
  border-color: var(--line);
  border-radius: 999px;
  background: rgba(5, 7, 19, 0.45);
  color: var(--slate);
}

.converter-page .fmt-btn.selected,
.converter-page .format-option input:checked + span,
.converter-page #convert-btn {
  border-color: var(--signal);
  border-radius: 999px;
  background: var(--signal);
  color: #fff;
  box-shadow: 0 12px 32px rgba(52, 120, 246, 0.25);
}

/* Hot Swap Quiz */
body.quiz-app,
body.quiz-app.dark {
  min-height: 100vh;
  background:
    radial-gradient(circle at 50% -8%, rgba(52, 120, 246, 0.18), transparent 32rem),
    var(--void);
  color: var(--frost);
  font-family: "Manrope", sans-serif;
}

.quiz-app #quiz-wrap {
  max-width: 760px;
  padding: 30px 22px 70px;
}

.quiz-app #load-area {
  min-height: 100vh;
  margin: 0;
  padding: 54px 18px;
}

.quiz-app #load-card {
  position: relative;
  max-width: 510px;
  padding: 44px;
  overflow: hidden;
  border: 1px solid rgba(110, 199, 255, 0.2);
  border-radius: 34px;
  background:
    radial-gradient(circle at 86% 4%, rgba(52, 120, 246, 0.16), transparent 16rem),
    rgba(16, 26, 49, 0.78);
  box-shadow: 0 40px 100px rgba(0, 0, 0, 0.35);
}

.quiz-app #load-card::before {
  position: absolute;
  top: -100px;
  right: -100px;
  width: 260px;
  height: 260px;
  border: 1px solid rgba(110, 199, 255, 0.11);
  border-radius: 50%;
  content: "";
  pointer-events: none;
}

.quiz-app #site-header,
.quiz-app #quiz-title,
.quiz-app #question,
.quiz-app .fc-title,
.quiz-app .fc-deck-name,
.quiz-app .fc-card-front,
.quiz-app .fc-study-title,
.quiz-app .fc-sc-body,
.quiz-app .fc-results h2 {
  color: var(--frost);
  font-family: "Familjen Grotesk", sans-serif;
}

.quiz-app #site-header {
  margin-bottom: 4px;
  font-size: 2rem;
  letter-spacing: -0.045em;
}

.quiz-app #load-title,
.quiz-app #load-sub,
.quiz-app #drop-zone-text,
.quiz-app #load-format,
.quiz-app .sub,
.quiz-app #q-counter,
.quiz-app #type-hint,
.quiz-app #score-bar,
.quiz-app .fc-sub,
.quiz-app .fc-deck-meta,
.quiz-app .fc-count,
.quiz-app .fc-study-counter {
  color: var(--slate);
}

.quiz-app #load-icon {
  width: 58px;
  height: 58px;
  border: 1px solid rgba(110, 199, 255, 0.28);
  border-radius: 50%;
  background: rgba(52, 120, 246, 0.1);
}

.quiz-app #load-icon svg {
  stroke: var(--aurora);
}

.quiz-app #load-mode {
  padding: 5px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(5, 7, 19, 0.45);
}

.quiz-app .load-mode-option span {
  min-height: 38px;
  border-radius: 999px;
  color: var(--slate);
}

.quiz-app .load-mode-option input:checked + span {
  background: rgba(52, 120, 246, 0.18);
  color: var(--aurora);
  box-shadow: none;
}

.quiz-app #drop-zone,
.quiz-app .fc-drop {
  border: 1px dashed var(--line-strong);
  border-radius: 22px;
  background: rgba(5, 7, 19, 0.34);
}

.quiz-app #drop-zone:hover,
.quiz-app #drop-zone.drag-over,
.quiz-app .fc-drop:hover,
.quiz-app .fc-drop.drag-over {
  border-color: var(--aurora);
  background: rgba(52, 120, 246, 0.08);
}

.quiz-app #drop-zone-text strong,
.quiz-app .fc-drop-text strong {
  color: var(--frost);
}

.quiz-app #file-input-label,
.quiz-app #flashcard-create-link,
.quiz-app #fc-new-btn,
.quiz-app #resume-btn {
  border-color: var(--signal);
  border-radius: 999px;
  background: var(--signal);
  color: #fff;
  box-shadow: 0 10px 26px rgba(52, 120, 246, 0.25);
}

.quiz-app #file-input-label:hover,
.quiz-app #flashcard-create-link:hover,
.quiz-app #fc-new-btn:hover,
.quiz-app #resume-btn:hover {
  border-color: #4387ff;
  background: #4387ff;
  color: #fff;
}

.quiz-app #top-bar,
.quiz-app .fc-topbar {
  border-color: var(--line);
}

.quiz-app #pom-display,
.quiz-app #domain-label,
.quiz-app #topics-label,
.quiz-app #q-counter {
  color: var(--slate);
}

.quiz-app #pom-btn,
.quiz-app .btn,
.quiz-app #home-btn,
.quiz-app #dark-btn,
.quiz-app #notepad-fab,
.quiz-app .hist-results-btn {
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(16, 26, 49, 0.72);
  color: var(--frost);
}

.quiz-app .btn:hover:not(:disabled),
.quiz-app #pom-btn:hover,
.quiz-app #home-btn:hover,
.quiz-app #dark-btn:hover,
.quiz-app #notepad-fab:hover {
  border-color: var(--aurora);
  background: rgba(52, 120, 246, 0.12);
  color: var(--aurora);
}

.quiz-app .btn.primary {
  border-color: var(--signal);
  background: var(--signal);
  color: #fff;
}

.quiz-app #progress-outer,
.quiz-app .fc-prog-outer {
  background: rgba(137, 170, 220, 0.14);
}

.quiz-app #progress-inner,
.quiz-app .fc-prog-inner {
  background: linear-gradient(90deg, var(--signal), var(--aurora));
}

.quiz-app .choice,
.quiz-app .nav-dot,
.quiz-app .fc-deck,
.quiz-app .fc-card-row,
.quiz-app .fc-form,
.quiz-app .fc-study-card,
.quiz-app #resume-card,
.quiz-app #pop-modal,
.quiz-app #notepad-panel {
  border-color: var(--line);
  border-radius: 18px;
  background: rgba(16, 26, 49, 0.72);
  color: var(--frost);
  box-shadow: none;
}

.quiz-app .choice:hover:not(.locked),
.quiz-app .choice.selected {
  border-color: var(--aurora);
  background: rgba(52, 120, 246, 0.12);
}

.quiz-app .choice.selected .indicator {
  border-color: var(--signal);
  background: var(--signal);
}

.quiz-app .nav-dot.current {
  border-color: var(--signal);
  background: var(--signal);
  color: #fff;
}

.quiz-app .nav-dot.done {
  border-color: rgba(110, 199, 255, 0.2);
  background: rgba(52, 120, 246, 0.12);
  color: var(--aurora);
}

.quiz-app #notepad-text,
.quiz-app .fc-textarea,
.quiz-app #cloze-input,
.quiz-app #prompt-box,
.quiz-app #fc-prompt-box {
  border-color: var(--line);
  border-radius: 14px;
  background: rgba(5, 7, 19, 0.58);
  color: var(--frost);
}

.quiz-app .fc-name-input {
  color: var(--frost);
  border-color: var(--line-strong);
}

/* Override the quiz's legacy dark-mode specificity. */
body.quiz-app.dark #load-card,
body.quiz-app.dark .fc-deck,
body.quiz-app.dark .fc-card-row,
body.quiz-app.dark .fc-form,
body.quiz-app.dark .fc-study-card,
body.quiz-app.dark #resume-card,
body.quiz-app.dark #pop-modal,
body.quiz-app.dark #notepad-panel {
  border-color: rgba(110, 199, 255, 0.2);
  background:
    radial-gradient(circle at 86% 4%, rgba(52, 120, 246, 0.16), transparent 16rem),
    rgba(16, 26, 49, 0.86);
  color: var(--frost);
  box-shadow: 0 40px 100px rgba(0, 0, 0, 0.35);
}

body.quiz-app.dark #load-icon {
  border-color: rgba(110, 199, 255, 0.28);
  background: rgba(52, 120, 246, 0.1);
}

body.quiz-app.dark #load-icon svg {
  stroke: var(--aurora);
}

body.quiz-app.dark #site-header,
body.quiz-app.dark #quiz-title,
body.quiz-app.dark #question,
body.quiz-app.dark #load-title,
body.quiz-app.dark #drop-zone-text strong,
body.quiz-app.dark .fc-title,
body.quiz-app.dark .fc-deck-name,
body.quiz-app.dark .fc-card-front,
body.quiz-app.dark .fc-study-title,
body.quiz-app.dark .fc-sc-body,
body.quiz-app.dark .fc-results h2 {
  color: var(--frost);
}

body.quiz-app.dark #load-title,
body.quiz-app.dark #drop-zone-text,
body.quiz-app.dark #load-format,
body.quiz-app.dark #score-bar,
body.quiz-app.dark #q-counter,
body.quiz-app.dark #type-hint,
body.quiz-app.dark .fc-sub,
body.quiz-app.dark .fc-deck-meta,
body.quiz-app.dark .fc-count,
body.quiz-app.dark .fc-study-counter {
  color: var(--slate);
}

body.quiz-app.dark #load-mode {
  border-color: var(--line);
  background: rgba(5, 7, 19, 0.45);
}

body.quiz-app.dark .load-mode-option span {
  color: var(--slate);
}

body.quiz-app.dark .load-mode-option input:checked + span {
  background: rgba(52, 120, 246, 0.18);
  color: var(--aurora);
  box-shadow: none;
}

body.quiz-app.dark #drop-zone,
body.quiz-app.dark .fc-drop {
  border-color: var(--line-strong);
  background: rgba(5, 7, 19, 0.34);
}

body.quiz-app.dark #drop-zone:hover,
body.quiz-app.dark #drop-zone.drag-over,
body.quiz-app.dark .fc-drop:hover,
body.quiz-app.dark .fc-drop.drag-over {
  border-color: var(--aurora);
  background: rgba(52, 120, 246, 0.08);
}

body.quiz-app.dark #file-input-label,
body.quiz-app.dark #flashcard-create-link,
body.quiz-app.dark #fc-new-btn,
body.quiz-app.dark #resume-btn,
body.quiz-app.dark .btn.primary {
  border-color: var(--signal);
  background: var(--signal);
  color: #fff;
  box-shadow: 0 10px 26px rgba(52, 120, 246, 0.25);
}

body.quiz-app.dark #file-input-label:hover,
body.quiz-app.dark #flashcard-create-link:hover,
body.quiz-app.dark #fc-new-btn:hover,
body.quiz-app.dark #resume-btn:hover,
body.quiz-app.dark .btn.primary:hover:not(:disabled) {
  border-color: #4387ff;
  background: #4387ff;
  color: #fff;
}

body.quiz-app.dark #storage-notice {
  border-color: var(--line) !important;
  background: rgba(5, 7, 19, 0.42) !important;
}

body.quiz-app.dark #storage-notice span {
  color: var(--slate) !important;
}

body.quiz-app.dark #storage-notice strong {
  color: var(--frost) !important;
}

body.quiz-app #load-format {
  line-height: 1.65;
  overflow-wrap: anywhere;
}

body.quiz-app #load-format code {
  white-space: normal;
}

body.quiz-app.dark .choice,
body.quiz-app.dark .nav-dot {
  border-color: var(--line);
  background: rgba(16, 26, 49, 0.76);
  color: var(--frost);
}

body.quiz-app.dark .choice:hover:not(.locked),
body.quiz-app.dark .choice.selected {
  border-color: var(--aurora);
  background: rgba(52, 120, 246, 0.12);
}

body.quiz-app.dark .nav-dot.current {
  border-color: var(--signal);
  background: var(--signal);
  color: #fff;
}

body.quiz-app.dark #notepad-text,
body.quiz-app.dark .fc-textarea,
body.quiz-app.dark #cloze-input,
body.quiz-app.dark #prompt-box,
body.quiz-app.dark #fc-prompt-box {
  border-color: var(--line);
  background: rgba(5, 7, 19, 0.58);
  color: var(--frost);
}

/* Responsive layout */
@media (max-width: 1080px) {
  .nav-links {
    gap: 0;
  }

  .nav-links a {
    padding-inline: 12px;
  }

  .hero .container {
    grid-template-columns: minmax(0, 1fr) minmax(370px, 0.88fr);
    gap: 30px;
  }

  .hero h1 {
    font-size: clamp(4rem, 7vw, 6rem);
  }

  .contact-layout {
    grid-template-columns: 1fr;
  }

  .contact-info {
    max-width: 760px;
  }
}

@media (max-width: 920px) {
  .nav-links,
  .nav-cta {
    display: none;
  }

  .nav-hamburger {
    display: flex;
  }

  .hero {
    padding-top: 150px;
  }

  .hero .container {
    grid-template-columns: 1fr;
  }

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

  .signal-map {
    width: min(100%, 540px);
    justify-self: center;
  }

  .page-hero .container {
    grid-template-columns: 1fr;
  }

  .page-hero .breadcrumb,
  .page-hero .section-title,
  .page-hero .section-subtitle {
    grid-column: 1;
  }

  .page-hero .breadcrumb {
    grid-row: auto;
    margin-bottom: 44px;
  }

  .service-block-content {
    grid-template-columns: 1fr;
  }

  .service-tag {
    grid-row: auto;
    margin-bottom: 12px;
  }

  .footer-grid {
    grid-template-columns: 1.4fr repeat(2, 0.8fr);
  }

  .footer-col:last-child {
    grid-column: 2;
  }
}

@media (max-width: 720px) {
  :root {
    --nav-height: 88px;
  }

  .container {
    width: min(100% - 32px, 620px);
  }

  .section {
    padding: 86px 0;
  }

  .section-header {
    grid-template-columns: 1fr;
    gap: 18px;
    margin-bottom: 52px;
  }

  .section-title {
    font-size: clamp(2.65rem, 12vw, 4.1rem);
  }

  nav {
    top: 12px;
    width: calc(100% - 24px);
    height: 62px;
  }

  .nav-inner {
    padding-left: 12px;
  }

  .nav-mobile {
    top: 86px;
    right: 12px;
    left: 12px;
  }

  .hero {
    min-height: auto;
    padding: 124px 0 76px;
  }

  .hero::before {
    top: 26%;
    left: 18%;
    width: 100vw;
    height: 100vw;
  }

  .hero h1 {
    font-size: clamp(3.55rem, 16vw, 5.4rem);
    line-height: 0.89;
  }

  .hero-actions {
    display: grid;
    grid-template-columns: 1fr;
  }

  .hero-actions .btn {
    width: 100%;
  }

  .signal-map {
    width: min(100%, 470px);
    margin: 20px 0 0;
  }

  .signal-map__core {
    width: 138px;
    height: 138px;
  }

  .signal-map__core strong {
    font-size: 1.65rem;
  }

  .signal-map__node {
    min-height: 38px;
    padding: 0 12px;
    font-size: 0.68rem;
  }

  .services-grid,
  .tools-grid {
    grid-template-columns: 1fr;
  }

  .service-card:last-child {
    grid-column: auto;
    display: block;
  }

  .service-card:last-child .service-icon {
    margin-bottom: 28px;
  }

  .service-card:last-child p {
    margin-bottom: 24px;
  }

  .why-grid {
    grid-template-columns: 1fr;
    gap: 52px;
  }

  .cta-banner {
    padding: 46px 26px;
    border-radius: 28px;
  }

  .cta-actions {
    display: grid;
    grid-template-columns: 1fr;
  }

  .page-hero {
    min-height: 560px;
    padding: 130px 0 72px;
  }

  .page-hero::before {
    right: -270px;
  }

  .page-hero::after {
    right: -150px;
  }

  .page-hero .section-title {
    font-size: clamp(3.35rem, 15vw, 5.2rem);
  }

  .services-subnav {
    top: 84px;
    padding: 10px 0;
  }

  .services-subnav-inner {
    width: 100%;
    border-radius: 18px;
  }

  .service-block {
    padding: 82px 0;
  }

  .service-block-content h2 {
    font-size: clamp(2.6rem, 12vw, 4rem);
  }

  .feature-list {
    display: grid;
    grid-template-columns: 1fr;
  }

  .feature-list li {
    border-radius: 14px;
  }

  .tool-card {
    min-height: 330px;
    padding: 28px;
    border-radius: 24px;
  }

  .contact-form {
    padding: 30px 20px;
    border-radius: 26px;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 40px 28px;
  }

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

  .footer-col:last-child {
    grid-column: auto;
  }

  .converter-page #wrap {
    padding-top: 54px;
  }

  .converter-page #page-title {
    font-size: clamp(3.4rem, 16vw, 5rem);
  }

  .converter-page #drop-zone {
    min-height: 270px;
  }

  .quiz-app #load-card {
    padding: 34px 22px;
    border-radius: 28px;
  }
}

@media (max-width: 440px) {
  .nav-logo {
    font-size: 0.82rem;
  }

  .nav-logo span {
    display: block;
    max-width: 66px;
    line-height: 1.05;
  }

  .signal-map__node--support { left: 0; }
  .signal-map__node--network { right: 0; }
  .signal-map__node--security { left: -2%; }
  .signal-map__node--repair { right: -2%; }

  .contact-services ul {
    display: grid;
  }

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

  .footer-brand,
  .footer-col:last-child {
    grid-column: auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}

@media (forced-colors: active) {
  .btn-primary,
  .signal-map__core,
  .signal-map__node,
  .service-icon {
    border: 1px solid ButtonText;
  }
}