/* ========== CSS Variables / Theme ========== */
:root {
  --electric-blue: #1E90FF;
  --purple: #6A0DAD;
  --navy: #0B0F1C;
  --white: #ffffff;
  --text: #cfe0ff;
  --muted: #91a3c7;
  --card: #0f1526;
  --border: rgba(255, 255, 255, 0.08);
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
  --radius: 14px;
}

/* ========== Base ========== */
* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: 'Manrope', system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  color: var(--text);
  background: radial-gradient(1200px 600px at 10% -10%, rgba(106,13,173,0.2), transparent 60%),
              radial-gradient(800px 500px at 90% 10%, rgba(30,144,255,0.18), transparent 55%),
              var(--navy);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

.container {
  width: min(1200px, 92%);
  margin: 0 auto;
}

.section { padding: 80px 0; }
.section-alt { padding: 80px 0; background: linear-gradient(180deg, rgba(255,255,255,0.02), rgba(255,255,255,0)); }
.section-title {
  margin: 0 0 16px;
  font-size: 32px;
  line-height: 1.2;
  color: #eaf1ff;
}
.section-lead { margin: 0 0 32px; color: var(--muted); }

.badge { display: inline-block; padding: 6px 10px; border: 1px solid var(--border); border-radius: 999px; font-size: 12px; color: #cdd9ff; }

/* ========== Header / Nav ========== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(11, 15, 28, 0.7);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  transition: all 240ms ease;
}
.site-header.scrolled { background: rgba(11, 15, 28, 0.9); }
.nav-container { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.logo { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; }
.logo-mark { width: 36px; height: 36px; display: grid; place-items: center; border-radius: 10px; background: linear-gradient(135deg, var(--electric-blue), var(--purple)); color: white; font-weight: 800; }
.logo-text { color: #eaf1ff; font-weight: 800; letter-spacing: 0.2px; }

.nav-toggle { display: none; width: 44px; height: 44px; background: none; border: 1px solid var(--border); border-radius: 10px; color: #cdd9ff; cursor: pointer; }
.nav-toggle .bar { display: block; width: 22px; height: 2px; background: #cdd9ff; margin: 5px auto; border-radius: 2px; }

.nav-list { display: flex; align-items: center; gap: 18px; list-style: none; margin: 0; padding: 0; }
.nav-link { color: #cfe0ff; text-decoration: none; font-weight: 600; opacity: 0.9; }
.nav-link:hover { color: #ffffff; }
.nav-cta .btn { padding: 10px 14px; }

/* ========== Buttons ========== */
.btn { display: inline-block; padding: 12px 18px; border-radius: 12px; text-decoration: none; font-weight: 700; letter-spacing: 0.2px; transition: transform 180ms ease, box-shadow 180ms ease, background 220ms ease; }
.btn-primary { background: linear-gradient(135deg, var(--electric-blue), var(--purple)); color: white; box-shadow: 0 8px 20px rgba(30,144,255,0.25); }
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 12px 26px rgba(30,144,255,0.35); }
.btn-secondary { background: rgba(255, 255, 255, 0.08); color: #eaf1ff; border: 1px solid var(--border); }
.btn-secondary:hover { transform: translateY(-1px); }
.btn-block { width: 100%; text-align: center; }

/* ========== Hero ========== */
.hero { position: relative; padding: 120px 0 80px; overflow: hidden; }
.hero .gradient-bg { position: absolute; inset: 0; pointer-events: none; }
.orb { position: absolute; filter: blur(40px); opacity: 0.6; }
.orb-1 { width: 400px; height: 400px; background: radial-gradient(circle, var(--purple), transparent 60%); top: -100px; left: -80px; }
.orb-2 { width: 500px; height: 500px; background: radial-gradient(circle, var(--electric-blue), transparent 60%); right: -120px; top: -80px; }
.grid-overlay { position: absolute; inset: 0; background: linear-gradient(transparent 95%, rgba(255,255,255,0.06) 95%), linear-gradient(90deg, transparent 95%, rgba(255,255,255,0.06) 95%); background-size: 24px 24px; opacity: 0.15; }
.hero-content { position: relative; }
.hero h1 { margin: 0 0 16px; font-size: clamp(28px, 5vw, 44px); color: #f5f8ff; letter-spacing: 0.2px; }
.subtitle { margin: 0 0 24px; color: var(--muted); max-width: 800px; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 18px; }
.hero-badges { display: flex; gap: 8px; flex-wrap: wrap; }

/* ========== Cards / Solutions ========== */
.solutions-grid { display: grid; grid-template-columns: repeat(1, 1fr); gap: 18px; }
.card { background: linear-gradient(180deg, rgba(255,255,255,0.03), rgba(255,255,255,0.01)); border: 1px solid var(--border); border-radius: var(--radius); padding: 18px; box-shadow: var(--shadow); transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease; display: grid; grid-template-columns: 56px 1fr; gap: 16px; align-items: center; }
.card:hover { transform: translateY(-2px); border-color: rgba(30, 144, 255, 0.35); box-shadow: 0 14px 34px rgba(0,0,0,0.5); }
.card-icon { width: 56px; height: 56px; display: grid; place-items: center; color: var(--electric-blue); background: rgba(30,144,255,0.1); border-radius: 12px; }
.card-body h3 { margin: 0 0 6px; color: #f0f4ff; font-size: 18px; }
.card-body p { margin: 0; color: var(--muted); }
.card .card-cta { display: inline-block; margin-top: 10px; color: var(--electric-blue); text-decoration: none; font-weight: 700; }
.featured { grid-column: 1 / -1; background: linear-gradient(135deg, rgba(30,144,255,0.12), rgba(106,13,173,0.12)); border-color: rgba(30,144,255,0.4); }

/* ========== Steps ========== */
.steps { display: grid; grid-template-columns: 1fr; gap: 16px; }
.step { background: linear-gradient(180deg, rgba(255,255,255,0.03), rgba(255,255,255,0.01)); border: 1px solid var(--border); border-radius: var(--radius); padding: 18px; box-shadow: var(--shadow); }
.step h3 { margin: 0 0 6px; color: #f0f4ff; font-size: 18px; }
.step p { margin: 0; color: var(--muted); }
.step-icon { width: 48px; height: 48px; border-radius: 12px; margin-bottom: 8px; background: rgba(255,255,255,0.06); }
.step-icon.mic { background: radial-gradient(circle at 30% 30%, rgba(106,13,173,0.7), transparent 60%), rgba(255,255,255,0.06); }
.step-icon.wave { background: radial-gradient(circle at 40% 60%, rgba(30,144,255,0.7), transparent 60%), rgba(255,255,255,0.06); }
.step-icon.headset { background: radial-gradient(circle at 55% 30%, rgba(106,13,173,0.7), transparent 60%), rgba(255,255,255,0.06); }

/* ========== Why / About ========== */
.why-grid { display: grid; grid-template-columns: 1fr; gap: 16px; }
.why-item { background: linear-gradient(180deg, rgba(255,255,255,0.03), rgba(255,255,255,0.01)); border: 1px solid var(--border); border-radius: var(--radius); padding: 18px; }

.about { display: grid; grid-template-columns: 1fr; gap: 18px; align-items: center; }
.about-text p { margin-top: 0; }
.about-list { margin: 12px 0 0; padding-left: 18px; color: #cfe0ff; }
.about-media .media-placeholder { height: 220px; border-radius: var(--radius); background: linear-gradient(135deg, rgba(30,144,255,0.15), rgba(106,13,173,0.15)); border: 1px solid var(--border); display: grid; place-items: center; color: #eaf1ff; font-weight: 700; }

/* ========== Testimonials ========== */
.testimonials { display: grid; grid-template-columns: 1fr; gap: 16px; }
.testimonial { background: linear-gradient(180deg, rgba(255,255,255,0.03), rgba(255,255,255,0.01)); border: 1px solid var(--border); border-radius: var(--radius); padding: 18px; }
.testimonial .stars { color: #ffd76a; font-size: 18px; }
.testimonial .author { color: var(--muted); font-size: 14px; }

/* ========== Footer / Contact ========== */
.footer { background: #0a0e1a; border-top: 1px solid var(--border); padding: 60px 0; }
.footer-grid { display: grid; grid-template-columns: 1fr; gap: 24px; }
.footer-logo .logo-mark { width: 32px; height: 32px; }
.contact-card { background: linear-gradient(180deg, rgba(255,255,255,0.03), rgba(255,255,255,0.01)); border: 1px solid var(--border); border-radius: var(--radius); padding: 18px; box-shadow: var(--shadow); }
.contact-form .form-field { margin-bottom: 12px; }
label { display: block; margin-bottom: 6px; color: #dfe8ff; font-weight: 700; }
input, textarea { width: 100%; padding: 12px 12px; border-radius: 10px; border: 1px solid var(--border); background: rgba(255,255,255,0.04); color: #eaf1ff; }
input::placeholder, textarea::placeholder { color: #9fb1d6; }
.error { display: block; color: #ff7676; font-size: 12px; min-height: 16px; margin-top: 4px; }
.form-note { color: var(--muted); font-size: 14px; }
.contact-list { list-style: none; padding: 0; margin: 14px 0; }
.contact-list a { color: #eaf1ff; text-decoration: none; }
.footer-links { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; margin: 12px 0; }
.footer-links nav a { color: #cfe0ff; text-decoration: none; margin-right: 12px; }
.socials .social { display: inline-grid; place-items: center; width: 36px; height: 36px; border-radius: 10px; background: rgba(255,255,255,0.06); color: #eaf1ff; text-decoration: none; }

/* ========== Animations / Reveal ========== */
.reveal { opacity: 0; transform: translateY(14px); transition: opacity 600ms ease, transform 600ms ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ========== Accessibility Helpers ========== */
.skip-link { position: absolute; left: -9999px; top: auto; width: 1px; height: 1px; overflow: hidden; }
.skip-link:focus { position: fixed; left: 16px; top: 16px; width: auto; height: auto; background: #000; color: #fff; padding: 8px 12px; border-radius: 8px; z-index: 100; }

/* ========== Media Queries ========== */
@media (min-width: 680px) {
  .solutions-grid { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(3, 1fr); }
  .why-grid { grid-template-columns: repeat(4, 1fr); }
  .about { grid-template-columns: 1.1fr 0.9fr; }
  .testimonials { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (min-width: 980px) {
  .nav-toggle { display: none; }
  .nav-list { display: flex; position: static; background: transparent; padding: 0; }
  .section { padding: 100px 0; }
  .hero { padding: 140px 0 100px; }
}

@media (max-width: 979.98px) {
  .nav-toggle { display: inline-block; }
  .nav-list { position: absolute; right: 4%; top: 72px; background: rgba(11, 15, 28, 0.98); border: 1px solid var(--border); border-radius: 12px; padding: 10px; display: none; flex-direction: column; gap: 10px; min-width: 220px; }
  .nav-list.open { display: flex; }
}