/* ==========================================================================
   AIRA Labs — temporary holding page
   Design language cloned from airalabs.ai (June 2026): navy #0e1126 canvas,
   brand yellow #f5af00, Poppins, pill buttons, hairline structure.
   ========================================================================== */

/* --- Poppins (self-hosted, latin subset) --------------------------------- */
@font-face {
  font-family: 'Poppins';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('fonts/poppins-400-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'Poppins';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url('fonts/poppins-500-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'Poppins';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url('fonts/poppins-600-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

/* --- tokens -------------------------------------------------------------- */
:root {
  --navy: #0e1126;
  --navy-veil: rgba(14, 17, 38, 0.88);
  --band: #29294a;
  --deep: #060611;
  --yellow: #f5af00;
  --yellow-hover: #ffc22e;
  --ink-on-yellow: #14172d;
  --white: #ffffff;
  --muted: rgba(255, 255, 255, 0.74);
  --muted-dim: rgba(255, 255, 255, 0.52);
  --hairline: rgba(255, 255, 255, 0.08);
  --hairline-strong: rgba(255, 255, 255, 0.14);

  --font: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto,
    'Helvetica Neue', Arial, sans-serif;

  --radius-media: 24px;
  --radius-pill: 999px;
  --header-h: 80px;
  --container: 1280px;
  --gutter: clamp(20px, 3vw, 40px);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-h);
}

body {
  margin: 0;
  background: var(--navy);
  color: var(--white);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

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

a {
  color: inherit;
}

::selection {
  background: var(--yellow);
  color: var(--ink-on-yellow);
}

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}

/* --- utilities ----------------------------------------------------------- */
.skip-link {
  position: absolute;
  top: -100px;
  left: 16px;
  z-index: 100;
  background: var(--yellow);
  color: var(--ink-on-yellow);
  padding: 12px 20px;
  border-radius: var(--radius-pill);
  font-weight: 600;
  text-decoration: none;
}

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

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin: 0;
  color: var(--yellow);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.eyebrow::before {
  content: '';
  display: block;
  width: 28px;
  height: 1px;
  background: var(--yellow);
}

/* --- buttons ------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  border: 0;
  border-radius: var(--radius-pill);
  font-family: inherit;
  font-weight: 600;
  text-decoration: none;
  white-space: nowrap;
  cursor: pointer;
  transition: background-color 160ms ease, transform 160ms ease,
    box-shadow 160ms ease;
}

.btn--yellow {
  height: 48px;
  padding: 0 clamp(20px, 1.8vw, 28px);
  background: var(--yellow);
  color: var(--ink-on-yellow);
  font-size: 15px;
  letter-spacing: 0.01em;
}

.btn--yellow:hover {
  background: var(--yellow-hover);
  transform: translateY(-1px);
  box-shadow: 0 10px 28px rgba(245, 175, 0, 0.22);
}

.btn--lg {
  height: 54px;
  padding: 0 clamp(24px, 2.2vw, 32px);
  font-size: 16px;
}

.btn:focus-visible {
  outline: 2px solid var(--white);
  outline-offset: 3px;
}

.btn--yellow:focus-visible {
  outline-color: var(--yellow);
  outline-offset: 3px;
}

/* --- header -------------------------------------------------------------- */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 50;
  height: var(--header-h);
  background: var(--navy-veil);
  border-bottom: 1px solid var(--hairline);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
}

.header-inner {
  width: 100%;
  max-width: none;
  height: 100%;
  margin: 0 auto;
  padding: 0 clamp(16px, 2vw, 32px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
}

.brand img {
  height: 32px;
  width: auto;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* --- hero ---------------------------------------------------------------- */
.hero {
  position: relative;
  overflow: hidden;
  padding-top: calc(var(--header-h) + clamp(56px, 8vw, 104px));
  padding-bottom: clamp(72px, 9vw, 128px);
}

.hero-arcs {
  position: absolute;
  left: 0;
  bottom: 0;
  width: min(620px, 58vw);
  height: auto;
  pointer-events: none;
  user-select: none;
}

.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  align-items: center;
  gap: clamp(32px, 4.5vw, 64px);
}

.hero-copy {
  max-width: 620px;
}

.hero h1 {
  margin: 20px 0 22px;
  font-size: clamp(30px, 3.8vw, 54px);
  font-weight: 500;
  line-height: 1.1;
  letter-spacing: -0.025em;
}

.hero-lead {
  max-width: 46ch;
  margin: 0 0 clamp(28px, 3.4vw, 40px);
  color: var(--muted);
  font-size: clamp(16px, 1.2vw, 18px);
  line-height: 1.75;
}

.hero-contact-label {
  margin: 0 0 14px;
  color: var(--muted-dim);
  font-size: 14px;
}

.hero-media {
  position: relative;
  margin: 0;
  justify-self: end;
  width: 100%;
  max-width: 600px;
}

.hero-media img {
  width: 100%;
  border: 1px solid var(--hairline);
  border-radius: var(--radius-media);
  box-shadow: 0 40px 90px rgba(0, 0, 0, 0.45);
}

@media (prefers-reduced-motion: no-preference) {
  .hero-media {
    animation: float 7s ease-in-out infinite;
  }
}

@keyframes float {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}

/* --- reassurance band ---------------------------------------------------- */
.band {
  position: relative;
  overflow: hidden;
  padding: clamp(64px, 8vw, 112px) 0;
  background: var(--band);
  text-align: center;
}

.band .eyebrow::before {
  display: none;
}

.band h2 {
  margin: 18px 0 16px;
  font-size: clamp(28px, 3.6vw, 46px);
  font-weight: 500;
  line-height: 1.12;
  letter-spacing: -0.022em;
  text-wrap: balance;
}

.band p {
  max-width: 58ch;
  margin: 0 auto;
  color: var(--muted);
  font-size: clamp(16px, 1.15vw, 18px);
  line-height: 1.75;
}

/* --- footer -------------------------------------------------------------- */
.site-footer {
  padding: clamp(48px, 6vw, 76px) 0 28px;
  background: var(--deep);
  border-top: 1px solid var(--hairline);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  align-items: start;
  gap: clamp(28px, 4vw, 56px);
}

.footer-brand .brand img {
  height: 28px;
  margin-bottom: 18px;
}

.footer-tagline {
  max-width: 34ch;
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.7;
}

.footer-label {
  margin: 0 0 14px;
  color: var(--muted-dim);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.footer-contact a {
  color: var(--white);
  font-size: clamp(16px, 1.4vw, 18px);
  text-decoration: none;
  border-bottom: 1px solid rgba(245, 175, 0, 0.45);
  padding-bottom: 2px;
  transition: color 160ms ease, border-color 160ms ease;
}

.footer-contact a:hover {
  color: var(--yellow);
  border-color: var(--yellow);
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px 24px;
  margin-top: clamp(40px, 5vw, 64px);
  padding-top: 22px;
  border-top: 1px solid var(--hairline);
  color: var(--muted-dim);
  font-size: 13px;
}

.footer-bottom p {
  margin: 0;
}

/* --- responsive ---------------------------------------------------------- */
@media (max-width: 960px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }

  .hero-copy {
    max-width: 640px;
  }

  .hero-media {
    justify-self: start;
    max-width: 620px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  :root {
    --header-h: 68px;
    --radius-media: 18px;
  }

  .brand img {
    height: 27px;
  }

  .hero {
    padding-top: calc(var(--header-h) + 44px);
  }

  .hero h1 {
    margin-top: 16px;
  }

  .btn--yellow {
    height: 46px;
    font-size: 14px;
  }

  .btn--lg {
    height: 50px;
    font-size: 15px;
  }

  .hero-arcs {
    width: 92vw;
    opacity: 0.7;
  }

  .hero-contact-label {
    font-size: 13px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}