:root {
  --blue: #2563eb;
  --blue-deep: #1d4ed8;
  --navy: #071426;
  --cyan: #22d3ee;
  --ink: #0f172a;
  --muted: #64748b;
  --surface: #f8fafc;
  --paper: #ffffff;
  --line: #e2e8f0;
  --radius: 14px;
  --max: 1080px;
  --font-display: "Sora", sans-serif;
  --font-body: "Source Sans 3", sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.55;
  font-size: 1.05rem;
}

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

a {
  color: inherit;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

a:hover {
  color: var(--blue);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255, 255, 255, 0.92);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(8px);
}

.site-header__inner,
.site-footer__inner,
.wrap {
  width: min(100% - 2rem, var(--max));
  margin-inline: auto;
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 4.25rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.2rem;
  letter-spacing: -0.02em;
  text-decoration: none;
}

.brand img {
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 0.55rem;
}

.brand em {
  font-style: normal;
  color: var(--cyan);
}

.nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.85rem 1.1rem;
  font-size: 0.95rem;
}

.nav a {
  text-decoration: none;
  color: var(--muted);
}

.nav a[aria-current="page"],
.nav a:hover {
  color: var(--ink);
}

.lang-switch {
  display: inline-flex;
  border: 1px solid var(--line);
  border-radius: 999px;
  overflow: hidden;
}

.lang-switch button {
  border: 0;
  background: transparent;
  padding: 0.35rem 0.7rem;
  font: inherit;
  font-size: 0.85rem;
  cursor: pointer;
  color: var(--muted);
}

.lang-switch button[aria-pressed="true"] {
  background: var(--ink);
  color: var(--paper);
}

.hero {
  position: relative;
  min-height: min(92vh, 720px);
  display: grid;
  align-items: end;
  color: var(--paper);
  overflow: hidden;
  background:
    radial-gradient(ellipse 80% 60% at 80% 20%, rgba(34, 211, 238, 0.22), transparent 55%),
    radial-gradient(ellipse 70% 50% at 10% 80%, rgba(37, 99, 235, 0.35), transparent 50%),
    linear-gradient(160deg, #071426 0%, #0b1f3a 45%, #123a7a 100%);
}

.hero__pattern {
  position: absolute;
  inset: 0;
  opacity: 0.18;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.06) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(to bottom, black, transparent 85%);
  pointer-events: none;
}

.hero__inner {
  position: relative;
  width: min(100% - 2rem, var(--max));
  margin: 0 auto;
  padding: 5.5rem 0 4rem;
}

.hero__brand {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 8vw, 5.2rem);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 0.95;
  margin: 0 0 1.25rem;
}

.hero__brand em {
  font-style: normal;
  color: var(--cyan);
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 3.2vw, 1.85rem);
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1.25;
  max-width: 22ch;
  margin: 0 0 0.9rem;
}

.hero p {
  max-width: 38ch;
  margin: 0 0 1.75rem;
  color: rgba(255, 255, 255, 0.82);
  font-size: 1.1rem;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.85rem;
  padding: 0.65rem 1.15rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
}

.button--primary {
  background: var(--cyan);
  color: var(--navy);
}

.button--primary:hover {
  color: var(--navy);
  filter: brightness(1.05);
}

.button--ghost {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.35);
  color: var(--paper);
}

.button--ghost:hover {
  color: var(--paper);
  border-color: var(--paper);
}

.button--solid {
  background: var(--blue);
  color: var(--paper);
}

.button--solid:hover {
  color: var(--paper);
  filter: brightness(1.05);
}

.button--outline {
  background: transparent;
  border-color: var(--line);
  color: var(--ink);
}

.section {
  padding: 4.5rem 0;
}

.section--surface {
  background: var(--surface);
}

.section h2 {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2.1rem);
  letter-spacing: -0.03em;
  margin: 0 0 0.75rem;
}

.section > .wrap > .lead,
.section .lead {
  max-width: 48ch;
  color: var(--muted);
  margin: 0 0 2rem;
}

.split {
  display: grid;
  gap: 2rem;
}

@media (min-width: 800px) {
  .split {
    grid-template-columns: 1.1fr 0.9fr;
    align-items: start;
  }
}

.steps {
  display: grid;
  gap: 1.5rem;
  counter-reset: step;
  list-style: none;
  padding: 0;
  margin: 0;
}

.steps li {
  padding-left: 3rem;
  position: relative;
}

.steps li::before {
  counter-increment: step;
  content: counter(step);
  position: absolute;
  left: 0;
  top: 0;
  width: 2rem;
  height: 2rem;
  border-radius: 999px;
  background: var(--ink);
  color: var(--paper);
  display: grid;
  place-items: center;
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 700;
}

.steps strong {
  display: block;
  font-family: var(--font-display);
  margin-bottom: 0.25rem;
}

.feature-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 1.25rem;
}

.feature-list li {
  padding-top: 1.25rem;
  border-top: 1px solid var(--line);
}

.feature-list strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.1rem;
  margin-bottom: 0.3rem;
}

.feature-list p {
  margin: 0;
  color: var(--muted);
}

.page-hero {
  padding: 3.5rem 0 1rem;
}

.page-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 2.8rem);
  letter-spacing: -0.03em;
  margin: 0 0 0.75rem;
}

.page-hero p {
  max-width: 48ch;
  color: var(--muted);
  margin: 0;
}

.contact-form {
  display: grid;
  gap: 1rem;
  max-width: 34rem;
}

.contact-form label {
  display: grid;
  gap: 0.35rem;
  font-size: 0.95rem;
}

.contact-form input,
.contact-form textarea,
.contact-form select {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 0.75rem 0.9rem;
  font: inherit;
  background: var(--paper);
  color: var(--ink);
}

.contact-form textarea {
  min-height: 8rem;
  resize: vertical;
}

.form-note {
  color: var(--muted);
  font-size: 0.95rem;
}

.site-footer {
  border-top: 1px solid var(--line);
  padding: 2rem 0 2.5rem;
  background: var(--surface);
  color: var(--muted);
  font-size: 0.95rem;
}

.site-footer__inner {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: space-between;
  align-items: center;
}

.site-footer a {
  text-decoration: none;
}

@media (max-width: 720px) {
  .site-header__inner {
    flex-direction: column;
    align-items: flex-start;
    padding: 0.85rem 0;
  }

  .nav {
    width: 100%;
  }
}