:root {
  --primary: #00cfff;
  --secondary: #019fc2;
  --soft-white: #f4f7fa;
  --ink: #00030e;
  --ink-2: #07101f;
  --panel: rgba(9, 18, 35, 0.72);
  --panel-strong: rgba(9, 18, 35, 0.92);
  --line: rgba(0, 207, 255, 0.18);
  --line-strong: rgba(0, 207, 255, 0.35);
  --text-soft: rgba(244, 247, 250, 0.72);
  --text-faint: rgba(244, 247, 250, 0.48);
  --gradient: linear-gradient(135deg, #00cfff 0%, #2f80ff 100%);
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.38);
  --font-display: "Space Grotesk", sans-serif;
  --font-body: "Montserrat", sans-serif;
  --nav-h: 84px;
  --radius-lg: 28px;
  --radius-md: 20px;
  --radius-sm: 14px;
  --transition: 220ms ease;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at top left, rgba(0, 207, 255, 0.14), transparent 28%),
    radial-gradient(circle at 80% 15%, rgba(47, 128, 255, 0.18), transparent 26%),
    linear-gradient(180deg, #020611 0%, #00030e 48%, #020611 100%);
  color: var(--soft-white);
  font-family: var(--font-body);
  overflow-x: hidden;
}

a,
button,
input,
textarea {
  font: inherit;
}

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

.page-shell {
  position: relative;
  min-height: 100vh;
}

.page-shell::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(0, 207, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 207, 255, 0.04) 1px, transparent 1px);
  background-size: 84px 84px;
  mask-image: radial-gradient(circle at center, black 38%, transparent 88%);
  pointer-events: none;
  opacity: 0.6;
}

.container {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
}

.section {
  position: relative;
  padding: 110px 0;
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--primary);
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.24em;
  text-transform: uppercase;
}

.section-heading {
  display: grid;
  gap: 12px;
  max-width: 760px;
  margin-bottom: 44px;
}

.section-heading h2,
.intro__panel h2,
.method__intro h2,
.promise-band h2,
.contact__copy h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3.6rem);
  line-height: 1.03;
  letter-spacing: -0.04em;
}

.section-heading p:last-child,
.intro__panel p,
.method__intro p,
.contact__copy p {
  color: var(--text-soft);
  line-height: 1.8;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 56px;
  padding: 0 28px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  text-decoration: none;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition), border-color var(--transition), color var(--transition);
  cursor: pointer;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn--primary {
  background: var(--gradient);
  color: #fff;
  box-shadow: 0 14px 40px rgba(0, 207, 255, 0.22);
}

.btn--secondary {
  background: rgba(255, 255, 255, 0.02);
  color: var(--soft-white);
  border-color: var(--line-strong);
}

.btn--secondary:hover {
  background: rgba(0, 207, 255, 0.08);
}

.btn--block {
  width: 100%;
}

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 700ms ease, transform 700ms ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.nav {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(0);
  transition: background var(--transition), box-shadow var(--transition), backdrop-filter var(--transition);
}

.nav.scrolled {
  background: rgba(0, 3, 14, 0.74);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.04);
  backdrop-filter: blur(16px);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: var(--nav-h);
}

.nav__brand {
  display: inline-flex;
  align-items: center;
}

.nav__logo {
  width: min(280px, 50vw);
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav__links a,
.nav__mobile a {
  color: var(--text-soft);
  text-decoration: none;
  font-family: var(--font-display);
  font-size: 0.95rem;
  transition: color var(--transition);
}

.nav__links a:hover,
.nav__mobile a:hover {
  color: var(--soft-white);
}

.nav__button {
  padding: 14px 22px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--line-strong);
}

.nav__toggle {
  display: none;
  width: 48px;
  height: 48px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.02);
  color: inherit;
  cursor: pointer;
}

.nav__toggle span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 4px auto;
  background: var(--soft-white);
  transition: transform var(--transition), opacity var(--transition);
}

.nav__toggle.open span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.nav__toggle.open span:nth-child(2) {
  opacity: 0;
}

.nav__toggle.open span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

.nav__mobile {
  display: none;
  flex-direction: column;
  gap: 18px;
  padding: 0 20px 24px;
  background: rgba(0, 3, 14, 0.94);
}

.nav__mobile.open {
  display: flex;
}

.hero {
  padding-top: 56px;
  min-height: calc(100vh - var(--nav-h));
  display: flex;
  align-items: center;
}

#particleCanvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0.9;
  pointer-events: none;
}

.hero__ambient {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  pointer-events: none;
}

.hero__ambient--left {
  width: 220px;
  height: 220px;
  left: 6%;
  top: 20%;
  background: rgba(0, 207, 255, 0.22);
}

.hero__ambient--right {
  width: 300px;
  height: 300px;
  right: 4%;
  bottom: 14%;
  background: rgba(47, 128, 255, 0.18);
}

.hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(320px, 0.9fr);
  gap: 42px;
  align-items: center;
}

.hero__copy {
  max-width: 700px;
}

.hero__title {
  margin: 0 0 24px;
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 7vw, 6rem);
  line-height: 0.94;
  letter-spacing: -0.06em;
}

.hero__title span {
  display: block;
  color: var(--text-soft);
}

.hero__text {
  max-width: 660px;
  margin: 0;
  color: var(--text-soft);
  font-size: 1.06rem;
  line-height: 1.9;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin: 34px 0 36px;
}

.hero__metrics {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.metric {
  padding: 22px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-md);
  backdrop-filter: blur(10px);
}

.metric strong {
  display: block;
  margin-bottom: 10px;
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  color: var(--primary);
}

.metric span {
  color: var(--text-faint);
  font-size: 0.95rem;
  line-height: 1.7;
}

.hero__visual {
  position: relative;
  min-height: 620px;
  padding: 18px 28px 72px 0;
}

.hero-card {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, rgba(9, 18, 35, 0.9), rgba(4, 8, 18, 0.88));
  box-shadow: var(--shadow);
}

.hero-card--main {
  position: relative;
  padding: 26px;
}

.hero-card__top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
  font-family: var(--font-display);
  color: var(--text-soft);
}

.hero-card__status {
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(0, 207, 255, 0.12);
  color: var(--primary);
  font-size: 0.82rem;
}

.hero-card__stack {
  display: grid;
  gap: 14px;
}

.insight-card {
  padding: 22px;
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.insight-card--accent {
  background: linear-gradient(135deg, rgba(0, 207, 255, 0.14), rgba(47, 128, 255, 0.12));
  border-color: rgba(0, 207, 255, 0.22);
}

.insight-card p,
.insight-card span {
  margin: 0;
  color: var(--text-faint);
}

.insight-card p {
  margin-bottom: 8px;
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.insight-card strong {
  display: block;
  margin-bottom: 8px;
  font-family: var(--font-display);
  font-size: 1.1rem;
}

.insight-card span {
  line-height: 1.7;
}

.hero-card--floating {
  position: absolute;
  right: 0;
  bottom: 0;
  width: min(280px, 100%);
  padding: 22px;
  z-index: 2;
}

.hero-card__label {
  display: inline-block;
  margin-bottom: 10px;
  color: var(--primary);
  font-family: var(--font-display);
  font-size: 0.8rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.hero-card--floating p {
  margin: 0;
  color: var(--text-soft);
  line-height: 1.75;
}

.intro__grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 22px;
}

.intro__panel {
  padding: 36px;
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.intro__panel--soft {
  background: linear-gradient(135deg, rgba(0, 207, 255, 0.08), rgba(255, 255, 255, 0.03));
}

.pain-points__grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.pain-card,
.service,
.timeline__item,
.contact__box {
  background: var(--panel);
  border: 1px solid rgba(255, 255, 255, 0.06);
  backdrop-filter: blur(14px);
}

.pain-card {
  min-height: 250px;
  padding: 24px;
  border-radius: var(--radius-md);
}

.pain-card span,
.service__index,
.timeline__item span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  margin-bottom: 24px;
  border-radius: 50%;
  background: var(--gradient);
  color: #fff;
  font-family: var(--font-display);
  font-size: 0.92rem;
  font-weight: 700;
}

.pain-card h3,
.service h3,
.timeline__item h3 {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: 1.35rem;
}

.pain-card p,
.service p,
.timeline__item p,
.service li,
.contact__box small {
  margin: 0;
  color: var(--text-soft);
  line-height: 1.8;
}

.services__layout {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.service {
  padding: 28px;
  border-radius: var(--radius-lg);
}

.service--featured {
  background: linear-gradient(180deg, rgba(0, 207, 255, 0.12), rgba(7, 16, 31, 0.94));
  border-color: rgba(0, 207, 255, 0.18);
}

.service ul {
  margin: 20px 0 0;
  padding-left: 18px;
}

.service li + li {
  margin-top: 10px;
}

.method__grid {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 26px;
  align-items: start;
}

.method__intro {
  position: sticky;
  top: 112px;
}

.timeline {
  display: grid;
  gap: 16px;
}

.timeline__item {
  display: grid;
  grid-template-columns: 60px 1fr;
  gap: 18px;
  padding: 24px;
  border-radius: var(--radius-md);
}

.timeline__item span {
  margin-bottom: 0;
}

.promise-band {
  padding-top: 20px;
}

.promise-band__inner {
  padding: 42px;
  border: 1px solid var(--line);
  border-radius: 34px;
  background:
    linear-gradient(135deg, rgba(0, 207, 255, 0.12), rgba(47, 128, 255, 0.08)),
    rgba(255, 255, 255, 0.02);
  text-align: center;
}

.promise-band__inner h2 {
  max-width: 930px;
  margin: 0 auto;
}

.contact__box {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 430px);
  gap: 26px;
  padding: 34px;
  border-radius: 34px;
}

.contact__bullets {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.contact__bullets span {
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--text-soft);
  font-size: 0.9rem;
}

.contact__form {
  display: grid;
  gap: 14px;
}

.contact__form label {
  display: grid;
  gap: 8px;
  color: var(--soft-white);
  font-family: var(--font-display);
  font-size: 0.92rem;
}

.contact__form input,
.contact__form textarea {
  width: 100%;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.03);
  padding: 16px 18px;
  color: var(--soft-white);
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.contact__form input::placeholder,
.contact__form textarea::placeholder {
  color: rgba(244, 247, 250, 0.34);
}

.contact__form input:focus,
.contact__form textarea:focus {
  border-color: rgba(0, 207, 255, 0.42);
  box-shadow: 0 0 0 3px rgba(0, 207, 255, 0.08);
}

.footer {
  padding: 0 0 46px;
}

.footer__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  padding-top: 14px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  text-align: center;
}

.footer__logo {
  width: min(320px, 78vw);
}

.footer__inner p {
  max-width: 620px;
  margin: 0;
  color: var(--text-faint);
}

.form-success {
  display: grid;
  gap: 12px;
  padding: 22px;
  border-radius: 24px;
  background: rgba(0, 207, 255, 0.08);
  border: 1px solid rgba(0, 207, 255, 0.18);
  text-align: center;
}

.form-success strong {
  font-family: var(--font-display);
  font-size: 1.2rem;
}

@media (max-width: 900px) {
  .hero__grid,
  .intro__grid,
  .method__grid,
  .contact__box,
  .services__layout,
  .pain-points__grid {
    grid-template-columns: 1fr;
  }

  .hero__visual {
    min-height: auto;
    padding: 0;
  }

  .hero-card--floating {
    position: static;
    width: 100%;
    margin-top: 18px;
  }

  .method__intro {
    position: static;
  }
}

@media (max-width: 820px) {
  .nav__links {
    display: none;
  }

  .nav__toggle {
    display: inline-block;
  }

  .hero {
    padding-top: 30px;
  }

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

@media (max-width: 640px) {
  .section {
    padding: 86px 0;
  }

  .container {
    width: min(100% - 24px, 1180px);
  }

  .nav__logo {
    width: min(220px, 58vw);
  }

  .hero__title {
    font-size: clamp(2.4rem, 12vw, 4rem);
  }

  .hero__actions {
    flex-direction: column;
  }

  .btn {
    width: 100%;
  }

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

  .promise-band__inner,
  .contact__box,
  .intro__panel,
  .service,
  .pain-card,
  .hero-card--main {
    padding: 22px;
  }
}