:root {
  --color-bg: #080b0f;
  --color-bg-elevated: #0f151d;
  --color-bg-elevated-2: #151d28;
  --color-text: #f4f7ff;
  --color-text-muted: #b3c0d6;
  --color-border: rgba(255, 255, 255, 0.12);
  --color-accent: #2aa6ff;
  --color-accent-strong: #0f8fe9;
  --color-accent-soft: #88d1ff;
  --color-overlay: rgba(8, 11, 15, 0.74);

  --font-body: "Manrope", "Segoe UI", sans-serif;
  --font-heading: "Space Grotesk", "Segoe UI", sans-serif;

  --radius-sm: 12px;
  --radius-md: 18px;
  --radius-lg: 22px;

  --shadow-sm: 0 8px 24px rgba(0, 0, 0, 0.22);
  --shadow-md: 0 16px 40px rgba(0, 0, 0, 0.28);

  --space-2xs: 0.375rem;
  --space-xs: 0.5rem;
  --space-sm: 0.75rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;

  --container-max: 1120px;
  --container-gutter: 1rem;

  --header-h: 64px;
  --touch-target: 44px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  overflow-x: clip;
  min-width: 0;
  color: var(--color-text);
  font-family: var(--font-body);
  line-height: 1.65;
  background:
    radial-gradient(1200px 460px at 50% -12%, rgba(42, 166, 255, 0.16), transparent 58%),
    linear-gradient(180deg, #090c10 0%, #080b0f 100%);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img,
picture,
video,
canvas,
svg {
  display: block;
  max-width: 100%;
  height: auto;
}

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

p,
h1,
h2,
h3 {
  margin: 0;
}

main,
section,
header,
footer {
  width: 100%;
}

.skip-link {
  position: absolute;
  top: -200px;
  left: var(--space-md);
  z-index: 999;
  padding: 0.625rem 0.875rem;
  border-radius: var(--radius-sm);
  background: #fff;
  color: #000;
  font-weight: 700;
}

.skip-link:focus {
  top: var(--space-md);
}

.container {
  width: min(var(--container-max), calc(100% - (var(--container-gutter) * 2)));
  margin-inline: auto;
}

.narrow {
  width: min(760px, 100%);
}

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  height: var(--header-h);
  background: var(--color-overlay);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(12px);
}

.header-shell {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
}

.brand {
  display: inline-flex;
  align-items: center;
  min-height: var(--touch-target);
}

.brand-logo {
  width: auto;
  height: 34px;
}

.menu-toggle {
  width: var(--touch-target);
  height: var(--touch-target);
  margin: 0;
  padding: 0;
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 4px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.02);
  color: inherit;
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  border-radius: 999px;
  background: var(--color-text);
  transition: transform 0.22s ease, opacity 0.22s ease;
}

.menu-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.menu-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.menu-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

.nav {
  position: absolute;
  top: calc(100% + 8px);
  left: var(--container-gutter);
  right: var(--container-gutter);
  display: grid;
  gap: var(--space-2xs);
  padding: var(--space-sm);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: rgba(12, 16, 23, 0.98);
  box-shadow: var(--shadow-sm);
  transform: translateY(-8px);
  opacity: 0;
  pointer-events: none;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

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

.nav a {
  min-height: var(--touch-target);
  display: flex;
  align-items: center;
  padding: 0 var(--space-sm);
  border-radius: 10px;
  color: var(--color-text-muted);
  font-size: 0.96rem;
  font-weight: 700;
}

.nav a:hover,
.nav a:focus-visible {
  color: var(--color-text);
  background: rgba(255, 255, 255, 0.04);
}

#conteudo {
  position: relative;
  isolation: isolate;
  overflow-x: clip;
  padding-top: calc(var(--header-h) + var(--space-md));
}

.home-watermark {
  position: fixed;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  width: min(94vw, 760px);
  pointer-events: none;
  z-index: 0;
  opacity: 0.17;
  filter: saturate(0.42) brightness(1.72);
}

#conteudo > *:not(.home-watermark) {
  position: relative;
  z-index: 1;
}

.hero {
  min-height: min(88vh, 760px);
  display: flex;
  align-items: center;
  padding: var(--space-xl) 0 var(--space-2xl);
}

.hero-content {
  max-width: 860px;
}

.eyebrow {
  margin-bottom: var(--space-sm);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-weight: 800;
  color: var(--color-accent-soft);
}

h1,
h2,
h3 {
  font-family: var(--font-heading);
  letter-spacing: -0.02em;
}

h1 {
  font-size: clamp(1.95rem, 10vw, 3.9rem);
  line-height: 1.07;
  margin-bottom: var(--space-md);
}

h2 {
  font-size: clamp(1.5rem, 7vw, 2.35rem);
  line-height: 1.15;
  margin-bottom: var(--space-md);
}

h3 {
  font-size: clamp(1.06rem, 5vw, 1.25rem);
  line-height: 1.3;
}

.hero-subtitle {
  max-width: 760px;
  color: #e8eefb;
  font-size: clamp(1.02rem, 4.5vw, 1.35rem);
  line-height: 1.55;
}

.hero-description {
  margin-top: var(--space-sm);
  max-width: 720px;
  color: var(--color-text-muted);
  font-size: clamp(0.98rem, 3.9vw, 1.08rem);
}

.hero-actions {
  margin-top: var(--space-lg);
  display: grid;
  gap: var(--space-sm);
  width: min(100%, 360px);
}

.btn {
  min-height: var(--touch-target);
  width: 100%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.78rem 1.1rem;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  font-size: 0.98rem;
  font-weight: 800;
  line-height: 1.2;
  text-align: center;
  transition: transform 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease;
}

.btn:hover,
.btn:focus-visible {
  transform: translateY(-1px);
}

.btn-primary {
  color: #05131f;
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-strong));
  box-shadow: 0 10px 24px rgba(42, 166, 255, 0.34);
}

.btn-primary:hover,
.btn-primary:focus-visible {
  box-shadow: 0 14px 32px rgba(42, 166, 255, 0.4);
}

.btn-ghost {
  color: var(--color-text);
  background: rgba(255, 255, 255, 0.03);
  border-color: var(--color-border);
}

.section {
  padding: var(--space-2xl) 0;
}

.section p {
  margin: 0 0 var(--space-sm);
  color: var(--color-text-muted);
  font-size: clamp(0.98rem, 3.8vw, 1.05rem);
}

.section-services {
  background: linear-gradient(180deg, transparent, rgba(255, 255, 255, 0.02) 35%, transparent);
}

.service-grid,
.portfolio-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-md);
}

.card {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  min-width: 0;
  padding: clamp(1rem, 5vw, 1.65rem);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  background: linear-gradient(155deg, var(--color-bg-elevated), var(--color-bg-elevated-2));
  box-shadow: var(--shadow-md);
  transition: transform 0.22s ease, border-color 0.22s ease;
}

.card:hover,
.card:focus-within {
  transform: translateY(-3px);
  border-color: rgba(42, 166, 255, 0.48);
}

.portfolio-card .btn {
  margin-top: auto;
}

.portfolio-call {
  color: #d6e2f5;
  font-weight: 700;
}

.section-contact {
  padding-bottom: var(--space-3xl);
}

.contact-box {
  text-align: center;
  padding: clamp(1.2rem, 5vw, 2.2rem) clamp(1rem, 4vw, 1.6rem);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  background: linear-gradient(180deg, rgba(42, 166, 255, 0.09), rgba(255, 255, 255, 0.02));
}

.contact-email {
  display: inline-block;
  margin: var(--space-xs) 0 var(--space-md);
  font-family: var(--font-heading);
  font-size: clamp(1.02rem, 4.8vw, 1.35rem);
  color: #eaf3ff;
  word-break: break-word;
}

.site-footer {
  border-top: 1px solid var(--color-border);
  background: #07090d;
  padding: 1.3rem 0;
}

.footer-shell {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-xs);
}

.footer-shell p,
.footer-shell a {
  margin: 0;
  color: #b7c4d8;
  font-size: 0.94rem;
}

.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

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

a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

@media (min-width: 480px) {
  :root {
    --container-gutter: 1.2rem;
  }

  .hero-actions {
    width: auto;
    display: flex;
    flex-wrap: wrap;
  }

  .btn {
    width: auto;
    min-width: 210px;
  }

  .home-watermark {
    width: min(86vw, 760px);
  }
}

@media (min-width: 768px) {
  :root {
    --header-h: 72px;
    --container-gutter: 1.5rem;
  }

  #conteudo {
    padding-top: calc(var(--header-h) + var(--space-lg));
  }

  .brand-logo {
    height: 38px;
  }

  .menu-toggle {
    display: none;
  }

  .nav {
    position: static;
    width: auto;
    left: auto;
    right: auto;
    top: auto;
    transform: none;
    opacity: 1;
    pointer-events: auto;
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: 0;
    border: 0;
    border-radius: 0;
    background: transparent;
    box-shadow: none;
  }

  .nav a {
    min-height: 40px;
    padding-inline: 0.65rem;
  }

  .section {
    padding: var(--space-3xl) 0;
  }

  .service-grid,
  .portfolio-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-lg);
  }

  .footer-shell {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-md);
    flex-wrap: wrap;
  }
}

@media (min-width: 1024px) {
  :root {
    --container-gutter: 2rem;
  }

  .hero {
    min-height: min(92vh, 860px);
    padding: var(--space-2xl) 0 var(--space-3xl);
  }

  .home-watermark {
    width: min(72vw, 820px);
  }

  .service-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .portfolio-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}