/* Aikode — site styles. Colour tokens match the original Airo theme (HSL triplets). */

:root {
  --background: 240 14% 7%;
  --foreground: 0 0% 96%;
  --card: 240 19% 9%;
  --primary: 218 91% 64%;
  --accent: 265 89% 65%;
  --muted: 240 21% 15%;
  --muted-foreground: 240 14% 60%;
  --border: 240 19% 20%;
  --success: 160 84% 39%;

  --gradient: linear-gradient(135deg, hsl(var(--primary)), hsl(var(--accent)));
  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --header-h: 64px;
  color-scheme: dark;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-h);
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: hsl(var(--background));
  color: hsl(var(--foreground));
  font-family: var(--font-sans);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

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

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

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

:focus-visible {
  outline: 2px solid hsl(var(--primary));
  outline-offset: 3px;
  border-radius: 6px;
}

.skip-link {
  position: absolute;
  left: 16px;
  top: -48px;
  z-index: 100;
  padding: 8px 14px;
  border-radius: 8px;
  background: hsl(var(--card));
  border: 1px solid hsl(var(--border));
  font-size: 14px;
}

.skip-link:focus {
  top: 12px;
}

/* ---------- Layout ---------- */

.container {
  width: 100%;
  margin-inline: auto;
  padding-inline: 24px;
  max-width: 1400px;
}

.narrow-6xl {
  max-width: calc(72rem + 48px);
}

.narrow-3xl {
  max-width: calc(48rem + 48px);
}

.section {
  padding-block: 96px;
}

.stack > * + * {
  margin-top: 16px;
}

.muted {
  color: hsl(var(--muted-foreground));
  line-height: 1.65;
}

.divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, hsl(var(--primary) / 0.3), hsl(var(--accent) / 0.3), transparent);
}

.divider-reverse {
  background: linear-gradient(90deg, transparent, hsl(var(--accent) / 0.3), hsl(var(--primary) / 0.3), transparent);
}

/* ---------- Buttons & pills ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 600;
  border-radius: 12px;
  transition: filter 0.2s, border-color 0.2s, transform 0.2s;
}

.btn svg {
  transition: transform 0.2s;
}

.btn:hover svg {
  transform: translateX(3px);
}

.btn-gradient {
  background: var(--gradient);
  color: #fff;
}

.btn-gradient:hover {
  filter: brightness(1.1);
}

.btn-outline {
  color: hsl(var(--foreground));
  border: 1px solid hsl(var(--border) / 0.6);
  background: hsl(var(--card) / 0.5);
}

.btn-outline:hover {
  border-color: hsl(var(--primary) / 0.4);
}

.btn-sm {
  padding: 8px 20px;
  border-radius: 8px;
}

.btn-lg {
  padding: 12px 28px;
}

.btn-xl {
  padding: 14px 32px;
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  margin-bottom: 24px;
}

.pill-primary {
  color: hsl(var(--primary));
  border: 1px solid hsl(var(--primary) / 0.25);
  background: hsl(var(--primary) / 0.07);
}

.pill-accent {
  color: hsl(var(--accent));
  border: 1px solid hsl(var(--accent) / 0.25);
  background: hsl(var(--accent) / 0.07);
}

.card {
  background: hsl(var(--card));
  border: 1px solid hsl(var(--border) / 0.5);
  border-radius: 16px;
}

.gradient-text {
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

/* ---------- Header ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid hsl(var(--border) / 0.4);
  background: hsl(var(--background) / 0.85);
  -webkit-backdrop-filter: blur(24px);
  backdrop-filter: blur(24px);
}

.header-inner {
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand img {
  height: 36px;
  width: auto;
}

.nav {
  display: none;
  align-items: center;
  gap: 32px;
}

.nav a,
.footer-nav a {
  font-size: 14px;
  font-weight: 500;
  color: hsl(var(--muted-foreground));
  transition: color 0.2s;
}

.nav a:hover,
.footer-nav a:hover {
  color: hsl(var(--foreground));
}

.header-cta {
  display: none;
}

.menu-toggle {
  display: inline-flex;
  padding: 8px;
  border: 0;
  border-radius: 6px;
  background: transparent;
  color: hsl(var(--muted-foreground));
  cursor: pointer;
}

.menu-toggle:hover {
  background: hsl(var(--muted));
}

.menu-toggle .icon-close,
.menu-toggle[aria-expanded="true"] .icon-open {
  display: none;
}

.menu-toggle[aria-expanded="true"] .icon-close {
  display: block;
}

.mobile-menu {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 8px 24px 20px;
  border-top: 1px solid hsl(var(--border) / 0.4);
}

.mobile-menu[hidden] {
  display: none;
}

.mobile-menu a:not(.btn) {
  padding: 10px 0;
  font-weight: 500;
  color: hsl(var(--muted-foreground));
}

.mobile-menu .btn {
  margin-top: 8px;
  padding: 12px 20px;
}

@media (min-width: 768px) {
  .nav,
  .header-cta {
    display: flex;
  }

  .menu-toggle,
  .mobile-menu {
    display: none !important;
  }
}

/* ---------- Hero ---------- */

.hero {
  position: relative;
  overflow: hidden;
  padding: 112px 24px;
}

.hero > .container {
  padding-inline: 0;
}

.hero-glow,
.hero-grid,
.contact-glow {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.hero-glow {
  background:
    radial-gradient(ellipse 70% 50% at 60% 40%, hsl(var(--primary) / 0.12) 0%, transparent 70%),
    radial-gradient(ellipse 50% 40% at 20% 70%, hsl(var(--accent) / 0.08) 0%, transparent 70%);
}

.hero-grid {
  opacity: 0.025;
  background-image:
    linear-gradient(hsl(var(--foreground)) 1px, transparent 1px),
    linear-gradient(90deg, hsl(var(--foreground)) 1px, transparent 1px);
  background-size: 64px 64px;
}

.hero-inner {
  position: relative;
}

.hero-content {
  max-width: 48rem;
}

.hero-content .pill {
  margin-bottom: 32px;
}

.hero-title {
  font-size: clamp(2.6rem, 8vw, 4.5rem);
  font-weight: 900;
  letter-spacing: -0.025em;
  line-height: 1.05;
  margin-bottom: 24px;
}

.hero-sub {
  max-width: 42rem;
  font-size: 18px;
  line-height: 1.65;
  color: hsl(var(--muted-foreground));
  margin-bottom: 40px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
}

@media (min-width: 768px) {
  .hero {
    padding-block: 144px;
  }
}

/* ---------- Section headings ---------- */

.section-title {
  font-size: clamp(1.875rem, 4vw, 2.25rem);
  font-weight: 900;
  letter-spacing: -0.025em;
  line-height: 1.15;
  margin-bottom: 24px;
}

.section-head {
  margin-bottom: 56px;
}

.section-head .pill {
  margin-bottom: 20px;
}

.section-head .section-title {
  margin-bottom: 12px;
}

.section-sub {
  max-width: 36rem;
}

/* ---------- About ---------- */

.about-grid {
  display: grid;
  gap: 64px;
  align-items: center;
}

.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.stat {
  padding: 24px 12px;
  text-align: center;
}

.stat-value {
  font-size: 30px;
  font-weight: 900;
  line-height: 1.2;
  margin-bottom: 4px;
}

.stat-label {
  font-size: 12px;
  color: hsl(var(--muted-foreground));
}

@media (min-width: 1024px) {
  .about-grid {
    grid-template-columns: 1fr 1fr;
  }
}

/* ---------- Products ---------- */

.products-grid {
  display: grid;
  gap: 24px;
}

.product {
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.product-bar {
  height: 4px;
  background: linear-gradient(90deg, hsl(var(--primary)), hsl(var(--accent)));
}

.product-body {
  display: flex;
  flex-direction: column;
  flex: 1;
  padding: 32px;
}

.product-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 20px;
}

.tags {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
}

.tag-category {
  color: hsl(var(--primary));
  background: hsl(var(--primary) / 0.1);
}

.tag-live {
  gap: 4px;
  color: hsl(var(--success));
  background: hsl(var(--success) / 0.12);
}

.dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
}

.product-name {
  font-size: 24px;
  font-weight: 900;
}

.icon-btn {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 12px;
  border: 1px solid hsl(var(--border) / 0.6);
  color: hsl(var(--muted-foreground));
  transition: color 0.2s, border-color 0.2s;
}

.icon-btn:hover {
  color: hsl(var(--foreground));
  border-color: hsl(var(--primary) / 0.5);
}

.product-tagline {
  font-size: 14px;
  font-weight: 500;
  font-style: italic;
  color: hsl(var(--foreground) / 0.8);
  margin-bottom: 12px;
}

.product-desc {
  font-size: 14px;
  line-height: 1.65;
  color: hsl(var(--muted-foreground));
  margin-bottom: 24px;
}

.checklist {
  list-style: none;
  margin: 0 0 32px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.checklist li {
  position: relative;
  padding-left: 26px;
  font-size: 14px;
  color: hsl(var(--muted-foreground));
}

.checklist li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 2px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background:
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%235b93f5' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6 9 17l-5-5'/%3E%3C/svg%3E") center / 10px no-repeat,
    hsl(var(--primary) / 0.12);
}

.visit-link {
  margin-top: auto;
  align-self: flex-start;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 600;
  color: hsl(var(--primary));
  transition: color 0.2s;
}

.visit-link svg {
  transition: transform 0.2s;
}

.visit-link:hover {
  color: hsl(var(--primary) / 0.8);
}

.visit-link:hover svg {
  transform: translateX(4px);
}

@media (min-width: 768px) {
  .products-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 480px) {
  .product-body {
    padding: 24px;
  }
}

/* ---------- Services ---------- */

.services-grid {
  display: grid;
  gap: 20px;
}

.service {
  padding: 28px;
  transition: border-color 0.2s;
}

.service:hover {
  border-color: hsl(var(--primary) / 0.4);
}

.service-icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  color: hsl(var(--primary));
  background: hsl(var(--primary) / 0.1);
  margin-bottom: 20px;
}

.service h3 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 8px;
}

.service p {
  font-size: 14px;
  line-height: 1.65;
  color: hsl(var(--muted-foreground));
}

@media (min-width: 768px) {
  .services-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* ---------- Contact ---------- */

.contact {
  position: relative;
  overflow: hidden;
}

.contact-glow {
  background: radial-gradient(ellipse 80% 60% at 50% 50%, hsl(var(--primary) / 0.07) 0%, transparent 70%);
}

.contact-inner {
  position: relative;
  text-align: center;
}

.contact .section-title {
  margin-bottom: 16px;
}

.contact-sub {
  max-width: 32rem;
  margin: 0 auto 32px;
}

.contact-actions {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.note {
  font-size: 12px;
  color: hsl(var(--muted-foreground));
}

/* ---------- Footer ---------- */

.site-footer {
  position: relative;
  margin-top: auto;
  border-top: 1px solid hsl(var(--border) / 0.4);
}

.footer-line {
  position: absolute;
  top: -1px;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, hsl(var(--primary)), hsl(var(--accent)), transparent);
}

.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding-block: 40px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.footer-brand img {
  height: 28px;
  width: auto;
}

.footer-tagline,
.copyright {
  font-size: 12px;
  color: hsl(var(--muted-foreground));
}

.footer-tagline {
  display: none;
}

.footer-nav {
  display: flex;
  align-items: center;
  gap: 24px;
}

@media (min-width: 640px) {
  .footer-tagline {
    display: block;
  }
}

@media (min-width: 768px) {
  .footer-inner {
    flex-direction: row;
  }
}

/* ---------- Scroll reveal ---------- */

.js .reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.js .reveal.is-visible {
  opacity: 1;
  transform: none;
}

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

  .js .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .btn svg,
  .visit-link svg {
    transition: none;
  }
}