/* ==========================================================================
   APS — Aberra Professional Services
   Stylesheet (mobile-first, accessibility AA, professional blue palette)
   ========================================================================== */

:root {
  --c-primary: #1E3A8A;
  --c-primary-dark: #172554;
  --c-accent: #3B82F6;
  --c-accent-light: #60A5FA;
  --c-bg: #FFFFFF;
  --c-bg-soft: #F8FAFC;
  --c-bg-dark: #0F172A;
  --c-text: #0F172A;
  --c-text-muted: #475569;
  --c-border: #E2E8F0;
  --c-success: #10B981;
  --c-warn: #F59E0B;
  --c-danger: #DC2626;
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.06);
  --shadow-md: 0 4px 12px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 12px 32px rgba(15, 23, 42, 0.12);
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --max-width: 1200px;
  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

/* Reset & base */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 17px;
  line-height: 1.65;
  color: var(--c-text);
  background: var(--c-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
img, svg { max-width: 100%; height: auto; display: block; }
a { color: var(--c-accent); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--c-primary); }
button { font-family: inherit; cursor: pointer; }

h1, h2, h3, h4 {
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin: 0 0 0.5em;
  color: var(--c-primary);
}
h1 { font-size: clamp(2rem, 5vw + 1rem, 3.5rem); }
h2 { font-size: clamp(1.5rem, 3vw + 0.5rem, 2.25rem); }
h3 { font-size: 1.35rem; }
p { margin: 0 0 1em; }

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.25rem;
}

/* Skip link (a11y) */
.skip-link {
  position: absolute; left: -9999px; top: 0;
  background: var(--c-primary); color: #fff; padding: 0.75rem 1rem;
  z-index: 100; border-radius: 0 0 var(--radius-sm) 0;
}
.skip-link:focus { left: 0; }

/* ==========================================================================
   Navigation
   ========================================================================== */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--c-border);
}
.nav__inner {
  display: flex; align-items: center; justify-content: space-between;
  padding: 0.85rem 1.25rem;
  max-width: var(--max-width); margin: 0 auto;
}
.nav__brand { display: flex; align-items: center; gap: 0.65rem; font-weight: 800; color: var(--c-primary); font-size: 1.1rem; }
.nav__brand img { width: 38px; height: 38px; border-radius: 8px; }
.nav__brand span { display: none; }
@media (min-width: 480px) { .nav__brand span { display: inline; } }
.nav__links { display: none; gap: 1.5rem; align-items: center; list-style: none; margin: 0; padding: 0; }
.nav__links a { color: var(--c-text); font-weight: 500; }
.nav__links a:hover, .nav__links a[aria-current="page"] { color: var(--c-accent); }
.nav__cta {
  display: none;
  background: var(--c-primary); color: #fff !important;
  padding: 0.55rem 1.1rem; border-radius: var(--radius-sm);
  font-weight: 600; font-size: 0.95rem;
}
.nav__cta:hover { background: var(--c-accent); color: #fff !important; }
.nav__toggle {
  display: inline-flex; align-items: center; justify-content: center;
  width: 42px; height: 42px; background: transparent; border: 1px solid var(--c-border);
  border-radius: var(--radius-sm); color: var(--c-primary);
}
.nav__toggle svg { width: 22px; height: 22px; }
@media (min-width: 768px) {
  .nav__links, .nav__cta { display: inline-flex; }
  .nav__toggle { display: none; }
}
/* Mobile menu */
.nav__mobile {
  display: none; padding: 0.5rem 1.25rem 1.25rem;
  border-top: 1px solid var(--c-border); background: #fff;
}
.nav__mobile.open { display: block; }
.nav__mobile ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 0.25rem; }
.nav__mobile a { display: block; padding: 0.75rem 0.5rem; color: var(--c-text); font-weight: 500; }

/* ==========================================================================
   Hero (image with overlay)
   ========================================================================== */
.hero {
  position: relative;
  min-height: 78vh;
  display: flex; align-items: center;
  color: #fff;
  overflow: hidden;
  background:
    linear-gradient(135deg, rgba(23, 37, 84, 0.85), rgba(30, 58, 138, 0.7) 50%, rgba(59, 130, 246, 0.55)),
    url('https://images.unsplash.com/photo-1558494949-ef010cbdcc31?w=1600&q=80&auto=format&fit=crop') center/cover;
}
.hero__inner { padding: 6rem 0 5rem; max-width: 760px; }
.hero h1 { color: #fff; margin-bottom: 1rem; }
.hero p.lede { font-size: 1.25rem; line-height: 1.55; opacity: 0.95; margin-bottom: 2rem; max-width: 600px; }
.hero__cta { display: flex; flex-wrap: wrap; gap: 0.75rem; }
.hero__bg-credit { position: absolute; bottom: 8px; right: 12px; font-size: 0.7rem; opacity: 0.4; color: #fff; }

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 1.5rem;
  border-radius: var(--radius-sm);
  font-weight: 600; font-size: 1rem;
  border: 2px solid transparent;
  transition: all var(--transition);
  text-align: center;
  cursor: pointer;
}
.btn--primary { background: var(--c-accent); color: #fff !important; border-color: var(--c-accent); }
.btn--primary:hover { background: var(--c-primary); border-color: var(--c-primary); transform: translateY(-1px); box-shadow: var(--shadow-md); }
.btn--ghost { background: transparent; color: #fff !important; border-color: rgba(255,255,255,0.5); }
.btn--ghost:hover { background: rgba(255,255,255,0.12); border-color: #fff; }
.btn--outline { background: transparent; color: var(--c-primary) !important; border-color: var(--c-primary); }
.btn--outline:hover { background: var(--c-primary); color: #fff !important; }
.btn--lg { padding: 1rem 2rem; font-size: 1.1rem; }
.btn--sm { padding: 0.55rem 1rem; font-size: 0.9rem; }

/* ==========================================================================
   Sections
   ========================================================================== */
.section { padding: 4.5rem 0; }
.section--soft { background: var(--c-bg-soft); }
.section__header { text-align: center; max-width: 720px; margin: 0 auto 3rem; }
.section__eyebrow {
  display: inline-block; font-size: 0.85rem; font-weight: 700;
  color: var(--c-accent); text-transform: uppercase; letter-spacing: 0.15em;
  margin-bottom: 0.75rem;
}
.section__lede { font-size: 1.15rem; color: var(--c-text-muted); }

/* ==========================================================================
   App feature blocks (Home + Apps page)
   ========================================================================== */
.apps-grid { display: grid; gap: 2rem; }
@media (min-width: 900px) { .apps-grid { grid-template-columns: repeat(2, 1fr); } }

.app-card {
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition);
  display: flex; flex-direction: column;
}
.app-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.app-card__media {
  aspect-ratio: 16 / 9;
  background: linear-gradient(135deg, var(--c-primary), var(--c-accent));
  display: flex; align-items: center; justify-content: center;
  position: relative;
  color: #fff; font-weight: 800; font-size: 2.5rem; letter-spacing: -0.02em;
  overflow: hidden;
}
.app-card__media img { width: 100%; height: 100%; object-fit: cover; }
.app-card__media iframe { width: 100%; height: 100%; border: 0; }
.app-card__body { padding: 1.75rem; display: flex; flex-direction: column; gap: 0.75rem; flex: 1; }
.app-card__title { margin: 0; font-size: 1.5rem; }
.app-card__desc { color: var(--c-text-muted); flex: 1; margin: 0; }
.app-card__features { list-style: none; padding: 0; margin: 0.5rem 0; display: grid; gap: 0.3rem; }
.app-card__features li {
  padding-left: 1.5rem; position: relative; font-size: 0.95rem;
}
.app-card__features li::before {
  content: ''; position: absolute; left: 0; top: 0.55em;
  width: 14px; height: 8px;
  border-left: 2px solid var(--c-accent); border-bottom: 2px solid var(--c-accent);
  transform: rotate(-45deg);
}
.app-card__footer {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem; padding-top: 1rem; border-top: 1px solid var(--c-border);
  margin-top: auto; flex-wrap: wrap;
}
.app-card__price {
  font-size: 1.5rem; font-weight: 800; color: var(--c-primary);
}
.app-card__price small { font-size: 0.85rem; font-weight: 500; color: var(--c-text-muted); }
.badge {
  display: inline-block; padding: 0.25rem 0.65rem;
  background: var(--c-bg-soft); border-radius: 999px;
  font-size: 0.75rem; font-weight: 600; color: var(--c-primary);
  border: 1px solid var(--c-border);
}
.badge--accent { background: var(--c-accent); color: #fff; border-color: var(--c-accent); }
.badge--success { background: #ECFDF5; color: var(--c-success); border-color: #D1FAE5; }

/* ==========================================================================
   Services / Portfolio mini-cards
   ========================================================================== */
.cards-grid { display: grid; gap: 1.5rem; }
@media (min-width: 600px) { .cards-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 900px) { .cards-grid { grid-template-columns: repeat(3, 1fr); } }

.mini-card {
  padding: 2rem 1.5rem;
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: var(--radius-md);
  text-align: left;
  transition: all var(--transition);
}
.mini-card:hover { border-color: var(--c-accent); box-shadow: var(--shadow-md); transform: translateY(-2px); }
.mini-card__icon {
  width: 48px; height: 48px;
  background: linear-gradient(135deg, var(--c-primary), var(--c-accent));
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  color: #fff; margin-bottom: 1rem;
}
.mini-card h3 { margin: 0 0 0.5rem; font-size: 1.15rem; }
.mini-card p { color: var(--c-text-muted); margin: 0; font-size: 0.95rem; }

/* ==========================================================================
   About page
   ========================================================================== */
.bio { max-width: 720px; margin: 0 auto; font-size: 1.1rem; line-height: 1.75; color: var(--c-text); }
.bio p { margin-bottom: 1.25em; }

/* ==========================================================================
   Contact form
   ========================================================================== */
.form { display: grid; gap: 1.25rem; max-width: 620px; margin: 0 auto; }
.form__group { display: grid; gap: 0.4rem; }
.form__group label { font-weight: 600; font-size: 0.95rem; color: var(--c-primary); }
.form__group input, .form__group textarea, .form__group select {
  font-family: inherit; font-size: 1rem;
  padding: 0.75rem 0.9rem;
  background: #fff;
  border: 1.5px solid var(--c-border);
  border-radius: var(--radius-sm);
  transition: border-color var(--transition), box-shadow var(--transition);
  width: 100%;
}
.form__group input:focus, .form__group textarea:focus, .form__group select:focus {
  outline: none; border-color: var(--c-accent);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}
.form__group textarea { min-height: 140px; resize: vertical; }
.form__note { font-size: 0.85rem; color: var(--c-text-muted); }
.form__success {
  padding: 1rem 1.25rem; border-radius: var(--radius-sm);
  background: #ECFDF5; color: #065F46; border: 1px solid #A7F3D0;
  display: none;
}
.form__success.show { display: block; }

/* ==========================================================================
   Footer
   ========================================================================== */
.footer {
  background: var(--c-bg-dark); color: #CBD5E1;
  padding: 3.5rem 0 1.5rem;
}
.footer__grid {
  display: grid; gap: 2.5rem;
  grid-template-columns: 1fr;
  margin-bottom: 2.5rem;
}
@media (min-width: 700px) { .footer__grid { grid-template-columns: 2fr 1fr 1fr; } }
.footer h4 { color: #fff; font-size: 1rem; text-transform: uppercase; letter-spacing: 0.1em; margin-bottom: 1rem; }
.footer ul { list-style: none; padding: 0; margin: 0; }
.footer li { margin-bottom: 0.5rem; }
.footer a { color: #CBD5E1; }
.footer a:hover { color: #fff; }
.footer__brand { display: flex; align-items: center; gap: 0.75rem; margin-bottom: 1rem; color: #fff; font-weight: 800; }
.footer__brand img { width: 36px; height: 36px; border-radius: 8px; }
.footer__tagline { font-size: 0.95rem; line-height: 1.65; max-width: 360px; }
.footer__bottom {
  border-top: 1px solid #1E293B; padding-top: 1.5rem;
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 1rem;
  font-size: 0.85rem;
}

/* ==========================================================================
   Cookie banner
   ========================================================================== */
.cookie-banner {
  position: fixed; bottom: 0; left: 0; right: 0;
  background: var(--c-bg-dark); color: #fff;
  padding: 1.25rem; z-index: 100;
  display: none; align-items: center; justify-content: space-between;
  gap: 1rem; flex-wrap: wrap;
  border-top: 3px solid var(--c-accent);
}
.cookie-banner.show { display: flex; }
.cookie-banner p { margin: 0; font-size: 0.9rem; flex: 1; min-width: 240px; }

/* ==========================================================================
   Animations
   ========================================================================== */
.fade-in { opacity: 0; transform: translateY(20px); transition: all 0.7s ease-out; }
.fade-in.visible { opacity: 1; transform: translateY(0); }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
  .fade-in { opacity: 1; transform: none; }
}

/* ==========================================================================
   Admin panel
   ========================================================================== */
.admin-shell { min-height: 100vh; background: var(--c-bg-soft); padding: 2rem 1rem; }
.admin-card {
  background: #fff; max-width: 960px; margin: 0 auto;
  border-radius: var(--radius-lg); box-shadow: var(--shadow-md);
  padding: 2rem;
}
.admin-card h1 { font-size: 1.75rem; }
.admin-tabs { display: flex; gap: 0.5rem; border-bottom: 1px solid var(--c-border); margin-bottom: 2rem; flex-wrap: wrap; }
.admin-tab {
  background: transparent; border: 0; padding: 0.75rem 1.25rem;
  color: var(--c-text-muted); font-weight: 600; border-bottom: 3px solid transparent;
  cursor: pointer;
}
.admin-tab.active { color: var(--c-primary); border-bottom-color: var(--c-accent); }
.admin-pane { display: none; }
.admin-pane.active { display: block; }
.admin-app {
  border: 1px solid var(--c-border); border-radius: var(--radius-md);
  padding: 1.5rem; margin-bottom: 1.25rem;
  display: grid; gap: 0.85rem;
}
.admin-app__row { display: grid; gap: 1rem; }
@media (min-width: 700px) { .admin-app__row { grid-template-columns: 1fr 1fr; } }
.admin-bar { display: flex; gap: 0.75rem; flex-wrap: wrap; margin-top: 1.5rem; }
.gate {
  display: flex; align-items: center; justify-content: center;
  min-height: 80vh; padding: 1rem;
}
.gate__card { background: #fff; padding: 2.5rem; border-radius: var(--radius-lg); box-shadow: var(--shadow-md); max-width: 420px; width: 100%; }
.gate__card h1 { font-size: 1.5rem; text-align: center; }