:root {
  /* The Transformation: From Cyber-Dark to Fresh & Light */
  --bg-dark: #ffffff; /* Swapped to pure white */
  --accent-cyan: #0284c7; /* Deepened to a premium, trustworthy sky/water blue */
  --text-main: #0f172a; /* Changed to ultra-readable deep slate */
  --text-dim: #475569; /* Mid-tone slate for body descriptions */

  /* Glassmorphism turned into elegant clean-tech framing */
  --glass: #f8fafc; /* Very soft, clean grey tint for card backgrounds */
  --glass-border: #e2e8f0; /* Crisp, light structural border dividers */

  --font-sans: "Plus Jakarta Sans", sans-serif;
  --font-serif: "Playfair Display", serif;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  background-color: var(--bg-dark);
  color: var(--text-main);
  font-family: var(--font-sans);
  line-height: 1.7;
  text-align: center;
  overflow-x: hidden;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 5%;
}

.flex-between {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
}

.italic {
  font-family: var(--font-serif);
  font-style: italic;
  color: var(--accent-cyan);
}

.cyan {
  color: var(--accent-cyan);
}

/* Visually hidden utility for W3C/SEO validation compliance */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Sticky Utility Bar */
.top-utility {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(2, 6, 23, 0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  padding: 15px 0;
  border-bottom: 1px solid var(--glass-border);
}

.utility-text {
  font-size: 0.75rem;
  letter-spacing: 0.2rem;
  color: var(--text-dim);
}

.phone-link-top {
  color: var(--accent-cyan);
  text-decoration: none;
  font-weight: 800;
  font-size: 1rem;
  padding: 5px 0;
}

/* Hero Section */
.hero {
  padding: 100px 0 80px 0;
}

.logo {
  font-size: 2.2rem;
  font-weight: 800;
  letter-spacing: 0.8rem;
  margin-bottom: 35px;
  text-transform: uppercase;
}

.hero-h1 {
  font-size: clamp(2.3rem, 5.5vw, 4.2rem);
  line-height: 1.15;
  margin-bottom: 35px;
  max-width: 1000px;
  margin-left: auto;
  margin-right: auto;
}

.seo-intro {
  max-width: 850px;
  margin: 0 auto 45px;
  color: var(--text-dim);
  font-size: 1.15rem;
  text-align: justify;
  text-justify: inter-word;
}

@media (max-width: 768px) {
  .seo-intro {
    text-align: center;
  }
}

.seo-intro p {
  margin-bottom: 25px;
}

.seo-intro strong {
  color: var(--text-main);
  font-weight: 600;
}

.btn-main {
  display: inline-block;
  padding: 22px 50px;
  border: 2px solid var(--accent-cyan);
  color: var(--accent-cyan);
  text-decoration: none;
  border-radius: 50px;
  font-weight: 800;
  transition:
    background 0.3s,
    color 0.3s,
    box-shadow 0.3s,
    transform 0.2s;
}

.btn-main:hover,
.btn-main:focus {
  background: var(--accent-cyan);
  color: var(--bg-dark);
  box-shadow: 0 0 35px rgba(0, 212, 255, 0.45);
  transform: translateY(-2px);
  outline: none;
}

/* Services Grid */
.services {
  padding: 120px 0;
  background: linear-gradient(
    180deg,
    var(--bg-dark),
    rgba(255, 255, 255, 0.015),
    var(--bg-dark)
  );
}

.section-title {
  font-size: clamp(2.2rem, 4vw, 3rem);
  margin-bottom: 70px;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(310px, 1fr));
  gap: 30px;
}

.card {
  background: var(--glass);
  border: 1px solid var(--glass-border);
  padding: 45px 35px;
  border-radius: 24px;
  text-align: left;
  transition:
    transform 0.4s cubic-bezier(0.16, 1, 0.3, 1),
    border-color 0.4s ease,
    box-shadow 0.4s ease;
}

.card:hover {
  border-color: rgba(0, 212, 255, 0.6);
  transform: translateY(-8px);
  box-shadow: 0 15px 30px rgba(0, 212, 255, 0.04);
}

.card h3 {
  color: var(--accent-cyan);
  margin-bottom: 18px;
  font-size: 1.35rem;
  font-weight: 600;
}

.card p {
  color: var(--text-dim);
  font-size: 0.98rem;
  line-height: 1.65;
}

/* Post-Service CTA */
.final-cta {
  margin-top: 120px;
  padding: 90px 45px;
  border-radius: 40px;
  border: 1px solid var(--glass-border);
  background: radial-gradient(
    circle at center,
    rgba(0, 212, 255, 0.07),
    transparent 70%
  );
}

.final-cta h3 {
  font-size: 2.6rem;
  margin-bottom: 15px;
}

.cta-phone {
  font-size: clamp(2.5rem, 8vw, 5.5rem);
  font-weight: 800;
  color: var(--text-main);
  text-decoration: none;
  display: block;
  margin: 35px 0;
  transition:
    color 0.3s,
    transform 0.3s;
}

.cta-phone:hover {
  color: var(--accent-cyan);
  transform: scale(1.02);
}

/* Regions & Footer */
.hoods {
  padding: 70px 0;
  border-top: 1px solid var(--glass-border);
  background: rgba(255, 255, 255, 0.005);
}

.hood-flex {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 25px;
  color: var(--text-dim);
  font-size: 0.88rem;
  font-weight: 600;
}

.hood-flex span {
  padding: 4px 8px;
  transition: color 0.3s;
}

.hood-flex span:hover {
  color: var(--accent-cyan);
}

.footer {
  padding: 90px 0;
  border-top: 1px solid var(--glass-border);
}

.footer p {
  color: var(--text-dim);
}

.small {
  font-size: 0.75rem;
  margin-top: 25px;
  letter-spacing: 0.12rem;
  text-transform: uppercase;
}

/* Mobile Optimization */
@media (max-width: 768px) {
  .utility-text {
    display: none;
  }
  .top-utility .container {
    justify-content: center;
  }
  .logo {
    font-size: 1.6rem;
    letter-spacing: 0.4rem;
    margin-bottom: 25px;
  }
  .hero-h1 {
    font-size: 2.3rem;
  }
  .services-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .card {
    padding: 35px 25px;
  }
  .final-cta {
    padding: 50px 20px;
    margin-top: 80px;
  }
}