:root {
  --primary: #0f766e;
  --primary-dark: #0b524c;
  --accent: #f97316;
  --bg: #0b1120;
  --bg-alt: #020617;
  --light: #e5e7eb;
  --muted: #9ca3af;
  --card-bg: #020617;
  --border: #1f2937;
  --max-width: 1100px;
  --radius: 10px;
  --shadow: 0 18px 45px rgba(0,0,0,0.5);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: radial-gradient(circle at top, #1f2937 0, #020617 35%, #000 100%);
  color: var(--light);
  line-height: 1.6;
}

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

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

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 16px;
}

/* Header */

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: linear-gradient(to bottom, rgba(15,23,42,0.98), rgba(15,23,42,0.9));
  border-bottom: 1px solid rgba(148,163,184,0.15);
  backdrop-filter: blur(12px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 0;
  gap: 16px;
}

.logo-block {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-circle {
  width: 40px;
  height: 40px;
  border-radius: 999px;
  background: radial-gradient(circle at 30% 20%, #fbbf24, #f97316);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #111827;
  font-weight: 800;
  font-size: 0.9rem;
  box-shadow: 0 0 0 2px rgba(148,163,184,0.2);
}

.logo-text h1 {
  font-size: 1.1rem;
  margin: 0;
}

.logo-text p {
  margin: 0;
  font-size: 0.8rem;
  color: var(--muted);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 0.9rem;
}

.main-nav a {
  padding: 6px 10px;
  border-radius: 999px;
  color: var(--muted);
  transition: color 0.15s ease, background 0.15s ease;
}

.main-nav a:hover {
  color: #e5e7eb;
  background: rgba(15,23,42,0.8);
}

.btn-nav {
  background: linear-gradient(to right, var(--primary), var(--primary-dark));
  color: #e5e7eb;
  border-radius: 999px;
  padding-inline: 16px;
  box-shadow: 0 12px 30px rgba(15,118,110,0.45);
}

/* Hero */

.hero {
  padding: 40px 0 32px;
}

.hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 3fr) minmax(0, 2.3fr);
  gap: 24px;
  align-items: stretch;
}

.hero-text h2 {
  font-size: 2.2rem;
  margin: 0 0 10px;
}

.hero-text p {
  margin: 0 0 20px;
  color: var(--muted);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 14px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 18px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  border: none;
  cursor: pointer;
  transition: transform 0.1s ease, box-shadow 0.1s ease, background 0.1s ease;
}

.btn-primary {
  background: linear-gradient(to right, var(--primary), var(--primary-dark));
  color: #e5e7eb;
  box-shadow: 0 16px 40px rgba(15,118,110,0.6);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 20px 50px rgba(15,118,110,0.8);
}

.btn-secondary {
  background: rgba(15,23,42,0.9);
  color: var(--light);
  border: 1px solid rgba(148,163,184,0.4);
}

.btn-secondary:hover {
  background: rgba(15,23,42,1);
}

.btn-block {
  width: 100%;
  justify-content: center;
}

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 0.8rem;
}

.hero-badges span {
  padding: 4px 10px;
  border-radius: 999px;
  border: 1px solid rgba(148,163,184,0.4);
  background: rgba(15,23,42,0.9);
}

.hero-card {
  background: radial-gradient(circle at top left, #1f2937, #020617);
  border-radius: 18px;
  padding: 18px 18px 20px;
  border: 1px solid rgba(148,163,184,0.24);
  box-shadow: var(--shadow);
}

.hero-card h3 {
  margin-top: 0;
  margin-bottom: 8px;
}

.hero-card p {
  margin-top: 0;
  color: var(--muted);
}

.hero-card ul {
  margin: 10px 0 16px;
  padding-left: 18px;
  color: var(--muted);
}

/* Sections */

.section {
  padding: 32px 0;
}

.section-alt {
  background: radial-gradient(circle at top, #020617, #020617 55%, #000 100%);
}

.section h2 {
  font-size: 1.6rem;
  margin-bottom: 6px;
}

.section-intro {
  margin-top: 0;
  margin-bottom: 22px;
  color: var(--muted);
}

/* Layout helpers */

.split {
  display: grid;
  grid-template-columns: minmax(0, 3fr) minmax(0, 2.2fr);
  gap: 22px;
  align-items: flex-start;
}

/* Cards & grids */

.card {
  background: rgba(15,23,42,0.95);
  border-radius: var(--radius);
  border: 1px solid rgba(148,163,184,0.28);
  padding: 16px 16px 18px;
  box-shadow: 0 18px 40px rgba(15,23,42,0.9);
}

.card h3 {
  margin-top: 0;
}

.card ul {
  margin: 8px 0 0;
  padding-left: 18px;
}

.about-highlights {
  display: grid;
  gap: 14px;
}

/* Services */

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.service-card {
  background: rgba(15,23,42,0.9);
  border-radius: var(--radius);
  border: 1px solid rgba(148,163,184,0.3);
  padding: 14px 14px 16px;
}

.service-card h3 {
  margin-top: 0;
}

.service-card p {
  margin-top: 0;
  color: var(--muted);
}

.service-card ul {
  margin: 8px 0 0;
  padding-left: 18px;
}

/* Projects */

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.project-card {
  background: rgba(15,23,42,0.9);
  border-radius: var(--radius);
  border: 1px solid rgba(148,163,184,0.25);
  padding: 12px 12px 14px;
}

.project-image.placeholder {
  height: 140px;
  border-radius: 10px;
  background: radial-gradient(circle at top left, #1f2937, #020617);
  border: 1px dashed rgba(148,163,184,0.4);
  margin-bottom: 10px;
}

/* Reviews */

.review-card {
  background: rgba(15,23,42,0.9);
  border-radius: var(--radius);
  border: 1px solid rgba(148,163,184,0.25);
  padding: 12px 14px;
  font-size: 0.92rem;
}

.review-card p {
  margin-top: 0;
}

.review-name {
  display: inline-block;
  margin-top: 6px;
  font-size: 0.85rem;
  color: var(--muted);
}

/* Contact */

.contact-info p {
  margin: 4px 0;
}

.contact-info a {
  color: #e5e7eb;
  text-decoration: underline;
  text-decoration-color: rgba(148,163,184,0.7);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.form-row {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

label {
  font-size: 0.85rem;
  color: var(--muted);
}

input,
select,
textarea {
  border-radius: 8px;
  border: 1px solid rgba(148,163,184,0.3);
  padding: 8px 10px;
  font-size: 0.9rem;
  background: rgba(15,23,42,0.95);
  color: #e5e7eb;
}

input:focus,
select:focus,
textarea:focus {
  outline: 2px solid var(--primary);
  outline-offset: 1px;
}

.form-note {
  margin: 6px 0 0;
  font-size: 0.8rem;
  color: var(--muted);
}

/* Footer */

.site-footer {
  border-top: 1px solid rgba(148,163,184,0.25);
  padding: 14px 0 18px;
  font-size: 0.85rem;
  color: var(--muted);
  background: rgba(2,6,23,0.98);
}

.footer-inner {
  display: flex;
  flex-direction: column;
  gap: 4px;
  text-align: center;
}

/* Responsive */

@media (max-width: 900px) {
  .hero-inner {
    grid-template-columns: minmax(0, 1.1fr);
  }

  .split {
    grid-template-columns: minmax(0, 1fr);
  }

  .grid-4 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .grid-3 {
    grid-template-columns: repeat(1, minmax(0, 1fr));
  }

  .main-nav {
    display: none;
  }

  .hero {
    padding-top: 28px;
  }
}

@media (max-width: 600px) {
  .grid-4 {
    grid-template-columns: minmax(0, 1fr);
  }

  .hero-text h2 {
    font-size: 1.8rem;
  }
}