/*
  Aero Xpress landing page styles
  Inspired by the layout and aesthetic of the Air Maestro login page.
*/

:root {
  --bg-start: #0d2b67;
  --bg-end: #188bdc;
  --accent: #e53935;
  /* red accent for logo swirl */
  --text: #eaf2ff;
  --muted: #c8d3e6;
  --card-bg: rgba(9, 16, 40, 0.55);
  --card-border: rgba(255, 255, 255, 0.08);
  --shadow-1: 0 10px 30px rgba(4, 10, 40, 0.6);
  --shadow-2: 0 2px 8px rgba(8, 14, 40, 0.4) inset;
  --btn-bg: #2f333b;
  /* dark grey base similar to Air Maestro */
  --btn-bg-hover: #3a3f49;
  /* slightly lighter on hover */
  --btn-border: rgba(255, 255, 255, 0.18);
  --link: #9bd1ff;
}

* {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
}

body {
  margin: 0;
  color: var(--text);
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background: #07112b;
  overflow: hidden;
}

/* Background layers */
.background {
  position: fixed;
  inset: 0;
  overflow: hidden;
}

.bg-gradient {
  position: absolute;
  inset: 0;
  /* Make gradient more transparent so photo is visible */
  /* background: radial-gradient(1200px 1200px at 20% 90%, rgba(255,255,255,0.03), transparent 60%),
              linear-gradient(135deg, rgba(13,43,103,0.75), rgba(24,139,220,0.75)); */
}

.bg-photo {
  position: absolute;
  inset: 0;
  background: url('../assets/tools.jpg') 68% 50% / cover no-repeat;
  filter: saturate(112%) contrast(106%) brightness(104%);
}

.bg-clarity {
  position: absolute;
  inset: 0;
  background: url('../assets/tools.jpg') 68% 50% / cover no-repeat;
  filter: url(#bg-sharpen) saturate(112%) contrast(110%);
  mix-blend-mode: luminosity;
  opacity: 0.5;
  pointer-events: none;
}

.bg-highlight {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    /* gentle right-side brightening to make aircraft clearer */
    radial-gradient(40% 50% at 76% 45%, rgba(255, 255, 255, 0.14), rgba(255, 255, 255, 0.06) 40%, transparent 70%),
    linear-gradient(90deg, transparent 0 55%, rgba(255, 255, 255, 0.05) 100%);
  mix-blend-mode: screen;
}

.bg-vignette {
  position: absolute;
  inset: -10%;
  background: radial-gradient(60% 60% at 50% 50%, transparent 60%, rgba(0, 0, 0, 0.42) 100%);
  mix-blend-mode: multiply;
}

/* A subtle cockpit dial motif drawn with CSS only */
.bg-ornament {
  position: absolute;
  inset: 0;
  opacity: 0.16;
  pointer-events: none;
  background:
    radial-gradient(closest-side, transparent 78%, rgba(255, 255, 255, 0.05) 79% 81%, transparent 82%) 70% 45%/420px 420px no-repeat,
    radial-gradient(closest-side, transparent 78%, rgba(255, 255, 255, 0.04) 79% 81%, transparent 82%) 15% 85%/520px 520px no-repeat;
  filter: blur(0.2px);
}

/* Airplane silhouette layer (masked SVG with soft shadow) */
.bg-airplane {
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.18;
  background-color: #ffffff;
  -webkit-mask: url('../assets/airplane-silhouette.svg') no-repeat 50% 52% / 62% auto;
  mask: url('../assets/airplane-silhouette.svg') no-repeat 50% 52% / 62% auto;
  filter: drop-shadow(0 36px 64px rgba(0, 0, 0, 0.38));
}

/* Layout */
.center {
  position: relative;
  height: 100dvh;
  display: grid;
  place-items: center;
  padding: 40px 16px;
}

.card {
  width: min(500px, 92vw);
  padding: 36px 28px 26px;
  border-radius: 22px;
  border: 1px solid rgba(255, 255, 255, 0.10);
  background: rgb(235 235 235 / 58%);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.45), inset 0 2px 8px rgba(8, 14, 40, 0.35);
  backdrop-filter: blur(10px) saturate(120%);
  text-align: center;
}

/* Logo container */
.brand-logo-svg {
  width: min(300px, 92vw);
  max-width: 300px;
  margin: 4px auto 12px;
}

.brand-logo-svg svg {
  width: 100%;
  height: auto;
  display: block;
}

.brand-logo-svg img {
  max-width: 100%;
  height: auto;
  display: block;
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.35));
}

.brand-logo {
  display: block;
  margin: 4px auto 10px;
  height: auto;
}

.subtitle {
  margin: 8px 0 18px;
  color: var(--muted);
  letter-spacing: 0.2px;
}

.actions {
  display: flex;
  gap: 12px;
  justify-content: center;
  align-items: center;
  margin-bottom: 14px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 180px;
  padding: 10px 20px;
  border-radius: 10px;
  border: 1px solid var(--btn-border);
  text-decoration: none;
  color: #fff;
  font-weight: 700;
  letter-spacing: 0.2px;
  background: var(--btn-bg);
  box-shadow: 0 8px 18px rgba(0, 0, 0, 0.35), inset 0 1px 0 rgba(255, 255, 255, 0.08);
  transition: transform 120ms ease, background 160ms ease, box-shadow 160ms ease, color 160ms ease;
}

.btn:hover {
  transform: translateY(-1px);
  background: var(--btn-bg-hover);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.36);
}

/* Both buttons are dark like Air Maestro */
.btn-primary {
  background: var(--btn-bg);
}

.btn-primary:hover {
  background: var(--btn-bg-hover);
}

.btn-secondary {
  background: #262a31;
  border-color: rgba(255, 255, 255, 0.14);
}

.btn-secondary:hover {
  background: #303541;
}

.version {
  margin: 14px 0 0;
  font-size: 0.95rem;
  color: var(--muted);
}

.link {
  color: var(--link);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.footer {
  position: absolute;
  bottom: 8px;
  left: 0;
  right: 0;
  text-align: center;
  color: rgba(235, 240, 255, 0.85);
  font-size: 0.9rem;
  padding: 0 12px;
}

.footer .link {
  color: #cfe6ff;
}

/* Accessibility helpers */
.sr-only {
  position: absolute !important;
  height: 1px;
  width: 1px;
  overflow: hidden;
  clip: rect(1px, 1px, 1px, 1px);
  white-space: nowrap;
  clip-path: inset(50%);
}

@media (min-width: 640px) {
  .actions {
    grid-template-columns: 1fr 1fr;
  }
}