/*
  Alamilla IT Services - Modern Stylesheet
  - Keeps all existing HTML and content intact
  - Provides a fresh, responsive, accessible visual design
  - Light/Dark mode aware via prefers-color-scheme
*/

/* Fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

/* CSS Variables */
:root {
  --bg: #0b1220;
  --bg-elev: #0f172a;
  --surface: #111827;
  --card: #0b1220;
  --text: #e5e7eb;
  --muted: #9ca3af;
  --primary: #3b82f6; /* blue-500 */
  --primary-600: #2563eb;
  --accent: #22d3ee;  /* cyan-400 */
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  --ring: rgba(59,130,246,0.4);
  --border: rgba(148,163,184,0.15);
  --shadow: 0 10px 30px rgba(2,6,23,0.6), 0 2px 8px rgba(15,23,42,0.6);
  --radius: 14px;
  --radius-sm: 10px;
  --radius-lg: 20px;
  --container: 1200px;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #f8fafc;
    --bg-elev: #ffffff;
    --surface: #ffffff;
    --card: #ffffff;
    --text: #0f172a;
    --muted: #475569;
    --primary: #2563eb; /* blue-600 */
    --primary-600: #1d4ed8;
    --accent: #0891b2;  /* cyan-700 */
    --ring: rgba(37,99,235,0.35);
    --border: rgba(15,23,42,0.08);
    --shadow: 0 8px 24px rgba(2,6,23,0.08), 0 1px 4px rgba(2,6,23,0.06);
  }
}

/* Base */
* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  color: var(--text);
  background: radial-gradient(1200px 800px at 80% -10%, rgba(34,211,238,0.08), transparent 60%),
              radial-gradient(1000px 700px at -10% 10%, rgba(59,130,246,0.10), transparent 60%),
              linear-gradient(180deg, var(--bg) 0%, #0a0f1d 100%);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

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

/* Buttons */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: .6rem;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-600) 100%);
  color: white;
  border-radius: 999px;
  padding: .9rem 1.25rem;
  font-weight: 600;
  letter-spacing: .2px;
  box-shadow: 0 6px 18px rgba(37,99,235,.3);
  transition: transform .15s ease, box-shadow .2s ease, background .2s ease;
}
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 10px 26px rgba(37,99,235,.35); }
.btn-primary:active { transform: translateY(0); }

/* Header */
header {
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: saturate(1.1) blur(10px);
  background: linear-gradient(180deg, rgba(2,6,23,0.65) 0%, rgba(2,6,23,0.35) 100%);
  border-bottom: 1px solid var(--border);
}
header .container { display: flex; align-items: center; justify-content: space-between; height: 72px; }

.logo-img { height: 38px; width: auto; filter: drop-shadow(0 2px 8px rgba(2,6,23,.25)); }

/* Navigation */
.nav ul { list-style: none; display: flex; gap: 1rem; margin: 0; padding: 0; }
.nav a {
  padding: .6rem .9rem;
  border-radius: 10px;
  color: var(--text);
  font-weight: 500;
  transition: color .2s ease, background .2s ease;
}
.nav a:hover { color: white; background: rgba(148,163,184,0.08); }

/* Hamburger */
.hamburger { display: none; width: 44px; height: 44px; border: 1px solid var(--border); background: transparent; border-radius: 10px; align-items: center; justify-content: center; gap: 5px; cursor: pointer; }
.hamburger span { display: block; width: 20px; height: 2px; background: var(--text); border-radius: 2px; transition: transform .2s ease, opacity .2s ease; }
.hamburger.active span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/***** Sections *****/
section { padding: 80px 0; }
@media (min-width: 768px) { section { padding: 100px 0; } }

/* Hero */
.hero {
  position: relative;
  background: radial-gradient(900px 500px at 80% 10%, rgba(59,130,246,0.22), transparent 60%),
              radial-gradient(700px 400px at 20% 20%, rgba(34,211,238,0.18), transparent 60%);
  overflow: hidden;
}
.hero:before {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(2,6,23,0.0) 0%, rgba(2,6,23,0.4) 60%, rgba(2,6,23,0.8) 100%);
  pointer-events: none;
}
.hero .container { position: relative; z-index: 1; text-align: center; }
.hero h1 {
  margin: 0 0 .5rem 0;
  font-size: clamp(2rem, 4.5vw, 3rem);
  line-height: 1.1;
  letter-spacing: -.02em;
  background: linear-gradient(180deg, #fff, #cbd5e1);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero p { color: var(--muted); max-width: 850px; margin: 0 auto 1.5rem; font-size: clamp(1rem, 2.2vw, 1.125rem); }

/* About */
.about .lead { font-weight: 600; color: #cbd5e1; margin-bottom: .5rem; }
.about .about-content p { color: var(--muted); max-width: 900px; }

/* Services */
.services { background: linear-gradient(180deg, rgba(148,163,184,0.05), transparent 40%); }
.service-grid {
  display: grid;
  grid-template-columns: repeat(1, minmax(0, 1fr));
  gap: 1rem;
}
@media (min-width: 640px) { .service-grid { grid-template-columns: repeat(2, 1fr); gap: 1.25rem; } }
@media (min-width: 1024px) { .service-grid { grid-template-columns: repeat(3, 1fr); gap: 1.5rem; } }

.service-card {
  position: relative;
  background: linear-gradient(180deg, rgba(255,255,255,0.02), rgba(255,255,255,0.01));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  box-shadow: var(--shadow);
  overflow: hidden;
  transition: transform .18s ease, border-color .2s ease, background .2s ease;
}
.service-card:before {
  content: "";
  position: absolute; inset: -1px;
  background: radial-gradient(600px 200px at 0% -10%, rgba(59,130,246,.18), transparent 40%);
  pointer-events: none;
}
.service-card:hover { transform: translateY(-3px); border-color: rgba(59,130,246,.35); }
.service-card h3 { margin: .2rem 0 .3rem; font-size: 1.1rem; }
.service-card p { color: var(--muted); margin: 0; }
.service-icon { font-size: 1.7rem; line-height: 1; }

/* Why Choose */
.why-choose .features-grid {
  display: grid; gap: 1rem;
  grid-template-columns: repeat(1, 1fr);
}
@media (min-width: 768px) { .why-choose .features-grid { grid-template-columns: repeat(3, 1fr); } }
.feature {
  background: linear-gradient(180deg, rgba(255,255,255,0.02), rgba(255,255,255,0.01));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
}
.feature h3 { margin: 0 0 .2rem; }
.feature p { color: var(--muted); margin: 0; }

/* Portfolio */
.portfolio-intro { color: var(--muted); max-width: 900px; }
.portfolio-stats {
  margin-top: 1rem;
  display: grid; gap: 1rem;
  grid-template-columns: repeat(1, 1fr);
}
@media (min-width: 640px) { .portfolio-stats { grid-template-columns: repeat(3, 1fr); } }
.stat {
  background: linear-gradient(135deg, rgba(37,99,235,0.10), rgba(34,211,238,0.10));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.1rem;
  text-align: center;
}
.stat-number { font-weight: 800; font-size: 1.8rem; letter-spacing: .2px; }
.stat-label { color: var(--muted); font-weight: 600; }

/* Testimonials */
.testimonials { background: linear-gradient(180deg, rgba(148,163,184,0.05), transparent 40%); }
.testimonial-grid { display: grid; gap: 1rem; grid-template-columns: repeat(1, 1fr); }
@media (min-width: 768px) { .testimonial-grid { grid-template-columns: repeat(3, 1fr); } }
.testimonial {
  background: linear-gradient(180deg, rgba(255,255,255,0.02), rgba(255,255,255,0.01));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  font-style: italic;
}
.testimonial cite { display: block; margin-top: .75rem; color: var(--muted); font-style: normal; font-weight: 600; }

/* CTA */
.cta {
  position: relative;
  text-align: center;
  background: linear-gradient(135deg, rgba(37,99,235,0.18), rgba(34,211,238,0.18));
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.cta h2 { margin-top: 0; }
.cta p { color: var(--muted); max-width: 800px; margin: 0 auto 1rem; }

/* Footer */
footer { border-top: 1px solid var(--border); background: linear-gradient(180deg, rgba(2,6,23,0.6), rgba(2,6,23,0.9)); }
.footer-content {
  display: grid; gap: 1.25rem;
  grid-template-columns: 1fr; align-items: start;
}
@media (min-width: 768px) { .footer-content { grid-template-columns: 2fr 1fr 1fr; } }
.footer-logo { height: 32px; filter: drop-shadow(0 2px 8px rgba(0,0,0,.25)); }
.footer-brand p { color: var(--muted); margin: .5rem 0 0; }
.footer-links h4, .footer-contact h4 { margin: 0 0 .5rem; }
.footer-links ul { list-style: none; padding: 0; margin: 0; display: grid; gap: .4rem; }
.footer-links a { color: var(--muted); }
.footer-links a:hover { color: #fff; }
.footer-contact p, .footer-contact a { color: var(--muted); }
.footer-bottom { border-top: 1px solid var(--border); margin-top: 1rem; padding-top: 1rem; text-align: center; color: var(--muted); }

/* Headings */
h2 { font-size: clamp(1.4rem, 2.8vw, 2rem); margin: 0 0 1rem; letter-spacing: -.01em; }
h3 { font-size: 1.05rem; letter-spacing: -.01em; }

/* Translate Widget (floating flag) */
.translate-widget-flag {
  position: fixed; right: 18px; bottom: 18px; z-index: 60;
  user-select: none;
}
.current-flag {
  width: 52px; height: 52px; border-radius: 14px; display: grid; place-items: center; cursor: pointer;
  background: linear-gradient(180deg, var(--bg-elev), var(--surface));
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  font-size: 22px;
}
.language-options {
  position: absolute; right: 0; bottom: 64px; display: grid; gap: .4rem; padding-bottom: .4rem;
}
.lang-option {
  display: flex; align-items: center; gap: .45rem;
  padding: .5rem .6rem; border-radius: 10px; font-weight: 600;
  background: linear-gradient(180deg, var(--bg-elev), var(--surface));
  border: 1px solid var(--border);
  color: var(--muted);
  box-shadow: var(--shadow);
  cursor: pointer; transition: transform .15s ease, color .2s ease, background .2s ease;
}
.lang-option:hover { transform: translateY(-1px); color: #fff; }
.lang-option.active { outline: 2px solid var(--ring); color: #fff; }
.lang-option span { font-size: .8rem; opacity: .85; }

/* Accessibility Focus Styles */
:focus-visible { outline: 2px solid var(--ring); outline-offset: 2px; border-radius: 8px; }

/* Utilities */
.portfolio .container,
.services .container,
.testimonials .container,
.why-choose .container,
.about .container { max-width: 1100px; }

/* Responsive Navigation (mobile) */
@media (max-width: 900px) {
  .nav { position: fixed; left: 0; right: 0; top: 72px; background: linear-gradient(180deg, var(--bg-elev), rgba(2,6,23,0.98)); border-bottom: 1px solid var(--border); transform: translateY(-100%); opacity: 0; pointer-events: none; transition: transform .22s ease, opacity .18s ease; }
  .nav.active { transform: translateY(0); opacity: 1; pointer-events: auto; }
  .nav ul { flex-direction: column; padding: .75rem; }
  .nav a { display: block; }
  .hamburger { display: inline-flex; }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
}