* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
  overflow-x: hidden;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

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

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

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

button,
input,
textarea {
  font: inherit;
}

button {
  cursor: pointer;
}

main {
  position: relative;
  z-index: 1;
  padding-bottom: clamp(6rem, 12vw, 8rem);
}

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

.section {
  padding: var(--section-spacing) 0;
  scroll-margin-top: calc(var(--header-height) + 1rem);
}

.section-header {
  max-width: 760px;
  margin: 0 auto 2.5rem;
  display: grid;
  justify-items: center;
  gap: 1rem;
  text-align: center;
}

.eyebrow {
  margin: 0;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--color-accent-soft);
}

.section-title,
.hero h1,
.about-card h3,
.value-card strong,
.contact-card h3,
.project-card h3,
.service-card h3 {
  font-family: var(--font-heading);
}

.section-title {
  margin: 0;
  font-size: clamp(2rem, 3.4vw, 3.4rem);
  line-height: 1.08;
  letter-spacing: -0.04em;
}

.section-lead {
  margin: 0;
  max-width: 62ch;
  color: var(--color-text-soft);
}

.glass-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-glass);
}

.hover-lift {
  transition:
    transform 0.25s ease,
    border-color 0.25s ease,
    box-shadow 0.25s ease,
    background-color 0.25s ease;
}

.hover-lift:hover {
  transform: translateY(-6px);
  border-color: rgba(77, 163, 255, 0.28);
  box-shadow: 0 24px 70px rgba(77, 163, 255, 0.16);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 1.5rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 800;
  letter-spacing: 0.01em;
  transition:
    transform 0.25s ease,
    box-shadow 0.25s ease,
    background-color 0.25s ease,
    color 0.25s ease;
}

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

.btn-primary {
  color: #051120;
  background: linear-gradient(
    135deg,
    var(--color-accent),
    var(--color-accent-strong)
  );
  box-shadow: var(--shadow-accent);
}

.btn-secondary {
  color: var(--color-text);
  background: rgba(255, 255, 255, 0.04);
  border-color: rgba(255, 255, 255, 0.12);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.07);
}

.btn:focus-visible,
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 3px solid rgba(142, 197, 255, 0.62);
  outline-offset: 3px;
}

.background {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at top, rgba(77, 163, 255, 0.16), transparent 35%),
    linear-gradient(135deg, #050816 0%, #081229 45%, #0d1b3d 100%);
  background-size:
    100% 100%,
    400% 400%;
  animation: bgShift 16s ease infinite;
}

.particles {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}

.dev-banner {
  position: fixed;
  right: 1rem;
  bottom: 1rem;
  z-index: 1100;
  width: min(360px, calc(100% - 2rem));
  padding: 1.1rem;
  border-radius: 1.4rem;
  background: var(--color-surface-strong);
  border: 1px solid rgba(77, 163, 255, 0.28);
  box-shadow: var(--shadow-glass);
  animation: floatBanner 3.5s ease-in-out infinite;
}

.dev-banner h3 {
  margin: 0 0 0.25rem;
  font-family: var(--font-heading);
  color: var(--color-accent-soft);
}

.dev-banner p {
  margin: 0;
  color: var(--color-text-soft);
  font-size: 0.95rem;
}

.dev-banner-content {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.reveal-on-scroll {
  opacity: 0;
  transform: translateY(28px);
  transition:
    opacity 0.7s ease var(--reveal-delay, 0s),
    transform 0.7s ease var(--reveal-delay, 0s);
}

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

.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;
}

@supports (
  (-webkit-backdrop-filter: blur(1px)) or (backdrop-filter: blur(1px))
) {
  .glass-card,
  .site-header,
  .site-nav,
  .dev-banner {
    -webkit-backdrop-filter: blur(18px);
    backdrop-filter: blur(18px);
  }
}