/* Technoforge — accessible, responsive, high-contrast tech aesthetic */

:root {
  --bg-deep: #070a0f;
  --bg-elevated: #0d1219;
  --bg-card: #111822;
  --border: rgba(120, 190, 220, 0.18);
  --text: #e8f0f7;
  --text-muted: #9db0c3;
  --accent: #3dd6e8;
  --accent-dim: #2a9fb0;
  --accent-glow: rgba(61, 214, 232, 0.22);
  --focus: #ffd85c;
  --radius: 12px;
  --font-sans: "IBM Plex Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, monospace;
  --max: 1080px;
  --space: clamp(1rem, 3vw, 1.75rem);
}

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

html {
  scroll-behavior: smooth;
}

@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;
  }
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-sans);
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--text);
  background: var(--bg-deep);
  background-image:
    radial-gradient(ellipse 120% 80% at 50% -20%, rgba(61, 214, 232, 0.12), transparent 55%),
    radial-gradient(ellipse 80% 50% at 100% 50%, rgba(42, 120, 180, 0.08), transparent 50%);
}

.skip-link {
  position: absolute;
  left: 0;
  top: 0;
  padding: 0.75rem 1rem;
  background: var(--focus);
  color: #111;
  font-weight: 600;
  transform: translateY(-120%);
  transition: transform 0.2s ease;
  z-index: 100;
}

.skip-link:focus {
  transform: translateY(0);
  outline: 3px solid var(--accent);
  outline-offset: 2px;
}

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

/* Header */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid var(--border);
  background: color-mix(in srgb, var(--bg-deep) 88%, transparent);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space);
  padding-block: 0.85rem;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 1.05rem;
  letter-spacing: 0.02em;
  color: var(--text);
  text-decoration: none;
}

.logo-mark {
  width: 10px;
  height: 10px;
  background: linear-gradient(135deg, var(--accent), var(--accent-dim));
  box-shadow: 0 0 12px var(--accent-glow);
  border-radius: 2px;
}

.logo:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 4px;
  border-radius: 4px;
}

.site-nav ul {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.25rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-nav a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  padding: 0.35rem 0;
  border-bottom: 2px solid transparent;
}

.site-nav a:hover {
  color: var(--text);
  border-bottom-color: var(--accent-dim);
}

.site-nav a:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 4px;
  border-radius: 4px;
}

/* Hero */

.hero {
  position: relative;
  padding-block: clamp(3rem, 10vw, 5.5rem);
  overflow: hidden;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(61, 214, 232, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(61, 214, 232, 0.04) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 30%, black 20%, transparent 75%);
  pointer-events: none;
}

.hero-inner {
  position: relative;
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--accent);
  margin: 0 0 1rem;
}

h1 {
  font-size: clamp(2rem, 5vw, 2.85rem);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin: 0 0 1.25rem;
  max-width: 18ch;
}

.hero-lede {
  margin: 0 0 1.75rem;
  max-width: 52ch;
  color: var(--text-muted);
  font-size: 1.08rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.7rem 1.25rem;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius);
  text-decoration: none;
  border: 2px solid transparent;
  cursor: pointer;
  transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease, box-shadow 0.2s ease;
}

.button-primary {
  background: linear-gradient(160deg, var(--accent), var(--accent-dim));
  color: #041014;
  box-shadow: 0 0 0 0 var(--accent-glow);
}

.button-primary:hover {
  box-shadow: 0 0 24px var(--accent-glow);
}

.button-ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--border);
}

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

.button:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 3px;
}

/* Sections */

.section {
  padding-block: clamp(3rem, 8vw, 4.5rem);
}

.section-alt {
  background: var(--bg-elevated);
  border-block: 1px solid var(--border);
}

h2 {
  font-size: clamp(1.5rem, 3vw, 1.85rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  margin: 0 0 0.75rem;
}

.section-intro {
  margin: 0 0 2rem;
  max-width: 55ch;
  color: var(--text-muted);
}

/* Service cards */

.service-cards {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1rem;
  grid-template-columns: 1fr;
}

@media (min-width: 640px) {
  .service-cards {
    grid-template-columns: repeat(2, 1fr);
  }
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.35rem 1.4rem;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.card:hover {
  border-color: rgba(61, 214, 232, 0.35);
  box-shadow: 0 0 0 1px var(--accent-glow);
}

.card-title {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.1rem;
  font-weight: 600;
  margin: 0 0 0.6rem;
}

.card-icon {
  font-family: var(--font-mono);
  color: var(--accent);
  font-size: 0.9rem;
}

.card p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.98rem;
}

/* Why us */

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

@media (min-width: 768px) {
  .split {
    grid-template-columns: 1fr 1fr;
    align-items: start;
    gap: 3rem;
  }
}

.checklist {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.checklist li {
  padding: 1rem 1.1rem;
  background: var(--bg-deep);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-muted);
  font-size: 0.98rem;
}

.checklist strong {
  color: var(--text);
  display: block;
  margin-bottom: 0.25rem;
}

/* Contact */

.contact-layout {
  display: grid;
  gap: 2rem;
}

@media (min-width: 900px) {
  .contact-layout {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
    gap: 3rem;
    align-items: start;
  }
}

a {
  color: var(--accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

a:hover {
  color: color-mix(in srgb, var(--accent) 85%, white);
}

a:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 3px;
  border-radius: 2px;
}

.contact-form {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
}

.field label {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 0.35rem;
  color: var(--text);
}

.field input,
.field select,
.field textarea {
  width: 100%;
  padding: 0.65rem 0.75rem;
  font-family: var(--font-sans);
  font-size: 1rem;
  color: var(--text);
  background: var(--bg-deep);
  border: 1px solid var(--border);
  border-radius: 8px;
}

.field textarea {
  resize: vertical;
  min-height: 120px;
}

.field input:focus-visible,
.field select:focus-visible,
.field textarea:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 2px;
  border-color: var(--accent-dim);
}

.form-status {
  min-height: 1.25rem;
  margin: 0;
  font-size: 0.9rem;
  color: var(--accent);
  outline: none;
}

.form-status:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 4px;
  border-radius: 4px;
}

.form-status--error {
  color: #ffb4a9;
}

/* Footer */

.site-footer {
  border-top: 1px solid var(--border);
  padding-block: 1.75rem;
  margin-top: 1rem;
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.footer-brand {
  font-family: var(--font-mono);
  font-weight: 600;
  margin: 0;
}

.footer-copy {
  margin: 0;
  font-size: 0.875rem;
  color: var(--text-muted);
}