/* ── Reset & Base ── */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --navy: #0f1b2d;
  --navy-light: #1a2d47;
  --teal: #2ec4b6;
  --teal-dark: #1a9e93;
  --white: #ffffff;
  --gray-50: #f8f9fa;
  --gray-100: #e9ecef;
  --gray-400: #adb5bd;
  --gray-600: #6c757d;
  --gray-800: #343a40;
  --font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font);
  color: var(--gray-800);
  line-height: 1.7;
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
  text-decoration: none;
}

/* ── Layout helpers ── */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 2rem;
}

.section {
  padding: 6rem 0;
}

/* ── Header / Nav ── */
header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(15, 27, 45, 0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(46, 196, 182, 0.15);
}

header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--white);
  letter-spacing: 0.5px;
}

.logo span {
  color: var(--teal);
}

nav a {
  color: var(--gray-400);
  font-size: 0.9rem;
  font-weight: 500;
  margin-left: 2.5rem;
  transition: color 0.2s;
}

nav a:hover {
  color: var(--teal);
}

/* ── Hero ── */
.hero {
  background: linear-gradient(160deg, var(--navy) 0%, var(--navy-light) 100%);
  color: var(--white);
  padding: 10rem 0 6rem;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  top: -40%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(46, 196, 182, 0.08) 0%, transparent 70%);
  border-radius: 50%;
}

.hero::after {
  content: "";
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(46, 196, 182, 0.05) 0%, transparent 70%);
  border-radius: 50%;
}

.hero .container {
  position: relative;
  z-index: 1;
}

.hero h1 {
  font-size: 3.25rem;
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 1.5rem;
  max-width: 700px;
}

.hero h1 em {
  font-style: normal;
  color: var(--teal);
}

.hero p {
  font-size: 1.2rem;
  color: var(--gray-400);
  max-width: 560px;
  margin-bottom: 2.5rem;
  line-height: 1.8;
}

.btn {
  display: inline-block;
  padding: 0.85rem 2rem;
  border-radius: 6px;
  font-weight: 600;
  font-size: 0.95rem;
  transition: all 0.2s;
}

.btn-primary {
  background: var(--teal);
  color: var(--navy);
}

.btn-primary:hover {
  background: var(--teal-dark);
  transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(46, 196, 182, 0.3);
}

/* ── About ── */
.about {
  background: var(--gray-50);
}

.about .container {
  max-width: 800px;
}

.section-label {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--teal-dark);
  margin-bottom: 1rem;
}

.section-title {
  font-size: 2.25rem;
  font-weight: 800;
  color: var(--navy);
  margin-bottom: 1.5rem;
  line-height: 1.25;
}

.about p {
  font-size: 1.05rem;
  color: var(--gray-600);
  margin-bottom: 1rem;
}

.about-details {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-top: 2.5rem;
  padding-top: 2.5rem;
  border-top: 1px solid var(--gray-100);
}

.about-detail {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.about-detail .label {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--gray-400);
}

.about-detail .value {
  font-size: 1rem;
  font-weight: 600;
  color: var(--navy);
}

/* ── Services ── */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-top: 3rem;
}

.service-card {
  background: var(--white);
  border: 1px solid var(--gray-100);
  border-radius: 12px;
  padding: 2.25rem;
  transition: all 0.25s;
}

.service-card:hover {
  border-color: rgba(46, 196, 182, 0.3);
  box-shadow: 0 8px 30px rgba(15, 27, 45, 0.06);
  transform: translateY(-3px);
}

.service-icon {
  width: 48px;
  height: 48px;
  border-radius: 10px;
  background: linear-gradient(135deg, rgba(46, 196, 182, 0.12), rgba(46, 196, 182, 0.04));
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
}

.service-icon svg {
  width: 24px;
  height: 24px;
  stroke: var(--teal-dark);
  fill: none;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.service-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 0.75rem;
}

.service-card p {
  font-size: 0.95rem;
  color: var(--gray-600);
  line-height: 1.7;
}

/* ── CTA ── */
.cta {
  background: linear-gradient(160deg, var(--navy) 0%, var(--navy-light) 100%);
  color: var(--white);
  text-align: center;
}

.cta .section-title {
  color: var(--white);
}

.cta p {
  color: var(--gray-400);
  font-size: 1.1rem;
  max-width: 500px;
  margin: 0 auto 2rem;
}

/* ── Footer ── */
footer {
  background: var(--navy);
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding: 2.5rem 0;
}

footer .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

footer p {
  color: var(--gray-600);
  font-size: 0.85rem;
}

footer .footer-links a {
  color: var(--gray-400);
  font-size: 0.85rem;
  margin-left: 2rem;
  transition: color 0.2s;
}

footer .footer-links a:hover {
  color: var(--teal);
}

/* ── Responsive ── */
@media (max-width: 768px) {
  .hero {
    padding: 8rem 0 4rem;
  }

  .hero h1 {
    font-size: 2.25rem;
  }

  .hero p {
    font-size: 1.05rem;
  }

  .section {
    padding: 4rem 0;
  }

  .section-title {
    font-size: 1.75rem;
  }

  .services-grid {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }

  .about-details {
    grid-template-columns: 1fr;
  }

  nav {
    display: none;
  }

  footer .container {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }

  footer .footer-links a {
    margin: 0 1rem;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 1.25rem;
  }

  .hero h1 {
    font-size: 1.85rem;
  }
}