:root {
  --color-bg: #0b1120;
  --color-bg-alt: #f3f4f6;
  --color-surface: #ffffff;
  --color-primary: #2563eb;
  --color-primary-dark: #1d4ed8;
  --color-accent: #1f2933;
  --color-text: #111827;
  --color-text-muted: #4b5563;
  --color-border: #e5e7eb;
  --color-danger: #b91c1c;
  --shadow-soft: 0 10px 30px rgba(15, 23, 42, 0.12);
  --radius-card: 12px;
  --radius-pill: 999px;
  --transition-fast: 0.2s ease;
  --max-width: 1120px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--color-text);
  background-color: #f9fafb;
  line-height: 1.6;
}

/* Layout helpers */

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section {
  padding: 4rem 0;
}

.section-alt {
  background-color: var(--color-bg-alt);
}

.section-header {
  text-align: center;
  margin-bottom: 2.5rem;
}

.section-header-left {
  text-align: left;
}

.section-header h2 {
  margin: 0 0 0.75rem;
  font-size: 1.75rem;
}

.section-header p {
  margin: 0;
  color: var(--color-text-muted);
  max-width: 40rem;
  margin-left: auto;
  margin-right: auto;
}

/* Header & Navigation */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background-color: rgba(15, 23, 42, 0.98);
  color: #e5e7eb;
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(148, 163, 184, 0.3);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1.5rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.logo-mark {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--color-primary), #38bdf8);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: #f9fafb;
  box-shadow: 0 6px 18px rgba(37, 99, 235, 0.6);
}

.logo-text {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
}

.logo-name {
  font-weight: 600;
  letter-spacing: 0.02em;
}

.logo-tagline {
  font-size: 0.75rem;
  color: #9ca3af;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.nav-list {
  list-style: none;
  display: none;
  padding: 0;
  margin: 0;
  gap: 1.5rem;
}

.nav-list li a {
  color: #e5e7eb;
  text-decoration: none;
  font-size: 0.95rem;
  padding-bottom: 0.15rem;
  border-bottom: 2px solid transparent;
  transition: color var(--transition-fast), border-bottom-color var(--transition-fast);
}

.nav-list li a:hover,
.nav-list li a:focus-visible {
  color: #ffffff;
  border-bottom-color: rgba(248, 250, 252, 0.85);
}

.nav-cta {
  display: inline-flex;
}

/* Buttons */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.7rem 1.4rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font-size: 0.95rem;
  font-weight: 500;
  cursor: pointer;
  text-decoration: none;
  transition: background-color var(--transition-fast), color var(--transition-fast),
    border-color var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast);
}

.btn-small {
  padding: 0.45rem 1.1rem;
  font-size: 0.9rem;
}

.btn-primary {
  background-color: var(--color-primary);
  color: #f9fafb;
  box-shadow: 0 8px 20px rgba(37, 99, 235, 0.35);
}

.btn-primary:hover,
.btn-primary:focus-visible {
  background-color: var(--color-primary-dark);
  box-shadow: 0 12px 26px rgba(37, 99, 235, 0.5);
  transform: translateY(-1px);
}

.btn-secondary {
  background-color: #0f172a;
  color: #e5e7eb;
  border-color: rgba(148, 163, 184, 0.5);
}

.btn-secondary:hover,
.btn-secondary:focus-visible {
  background-color: #020617;
  border-color: #64748b;
  transform: translateY(-1px);
}

.btn-outline {
  background-color: transparent;
  color: var(--color-primary);
  border-color: rgba(37, 99, 235, 0.6);
}

.btn-outline:hover,
.btn-outline:focus-visible {
  background-color: rgba(37, 99, 235, 0.06);
}

/* Hero */

.hero {
  background: radial-gradient(circle at top left, rgba(37, 99, 235, 0.14), transparent 55%),
    linear-gradient(to bottom, #020617, #020617 32%, #020617);
  color: #e5e7eb;
  padding-top: 4rem;
  padding-bottom: 4rem;
}

.hero-inner {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

.hero-content h1 {
  font-size: 2rem;
  line-height: 1.2;
  margin-bottom: 0.75rem;
}

.hero-subtitle {
  margin: 0 0 1.25rem;
  color: #cbd5f5;
}

.hero-highlights {
  list-style: none;
  padding: 0;
  margin: 0 0 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  color: #d1d5db;
  font-size: 0.95rem;
}

.hero-highlights li::before {
  content: "•";
  color: #60a5fa;
  margin-right: 0.5rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.hero-aside {
  display: flex;
  align-items: stretch;
}

.hero-card {
  background: rgba(15, 23, 42, 0.9);
  border-radius: 18px;
  padding: 1.5rem;
  box-shadow: var(--shadow-soft);
  border: 1px solid rgba(148, 163, 184, 0.6);
}

.hero-card h2 {
  font-size: 1.3rem;
  margin-top: 0;
  margin-bottom: 0.75rem;
  color: #e5e7eb;
}

.hero-card p {
  margin: 0 0 0.75rem;
  color: #cbd5f5;
}

.hero-meta {
  font-size: 0.9rem;
  color: #9ca3af;
}

/* Services */

.services-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

.service-card {
  background-color: var(--color-surface);
  border-radius: var(--radius-card);
  padding: 1.5rem;
  border: 1px solid var(--color-border);
  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.04);
}

.service-card-highlight {
  border-color: rgba(37, 99, 235, 0.4);
  box-shadow: 0 10px 30px rgba(37, 99, 235, 0.12);
}

.service-card h3 {
  margin-top: 0;
  margin-bottom: 0.5rem;
  font-size: 1.2rem;
}

.service-card p {
  margin-top: 0;
  margin-bottom: 0.75rem;
  color: var(--color-text-muted);
}

.service-card ul {
  padding-left: 1.1rem;
  margin: 0;
  color: var(--color-text);
  font-size: 0.95rem;
}

.service-card li + li {
  margin-top: 0.2rem;
}

/* Packages */

.packages-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  align-items: stretch;
}

.package-card {
  background-color: var(--color-surface);
  border-radius: var(--radius-card);
  padding: 1.75rem 1.5rem;
  border: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.04);
}

.package-card-featured {
  border-color: rgba(37, 99, 235, 0.7);
  box-shadow: 0 16px 40px rgba(37, 99, 235, 0.18);
  position: relative;
}

.package-label {
  position: absolute;
  top: 1rem;
  right: 1.5rem;
  background-color: #0f172a;
  color: #e5e7eb;
  font-size: 0.75rem;
  padding: 0.25rem 0.6rem;
  border-radius: var(--radius-pill);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.package-card h3 {
  margin: 0 0 0.25rem;
  font-size: 1.2rem;
}

.package-price {
  margin: 0 0 0.5rem;
  color: var(--color-primary-dark);
  font-weight: 500;
}

.package-description {
  margin: 0 0 0.75rem;
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

.package-features {
  margin: 0 0 1rem;
  padding-left: 1.1rem;
  font-size: 0.95rem;
}

.package-cta {
  margin-top: auto;
  align-self: flex-start;
}

/* Why Choose Us */

.why-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

.why-item {
  background-color: var(--color-surface);
  border-radius: var(--radius-card);
  border: 1px solid var(--color-border);
  padding: 1.5rem;
}

.why-item h3 {
  margin-top: 0;
  margin-bottom: 0.5rem;
  font-size: 1.1rem;
}

/* Testimonials */

.testimonials-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

.testimonial {
  background-color: var(--color-surface);
  border-radius: var(--radius-card);
  padding: 1.5rem 1.5rem 1.25rem;
  border: 1px solid var(--color-border);
  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.04);
}

.testimonial blockquote {
  margin: 0 0 1rem;
  color: var(--color-text-muted);
  font-style: italic;
}

.testimonial-name {
  display: block;
  font-weight: 600;
}

.testimonial-role {
  display: block;
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

/* CTA */

.cta-section {
  background: linear-gradient(135deg, #0f172a, #020617);
  color: #e5e7eb;
}

.cta-inner {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  align-items: flex-start;
}

.cta-content h2 {
  margin: 0 0 0.5rem;
}

.cta-content p {
  margin: 0;
  color: #cbd5f5;
}

.cta-actions {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.cta-note {
  margin: 0;
  font-size: 0.9rem;
  color: #9ca3af;
}

/* Contact */

.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  align-items: flex-start;
}

.contact-form-wrapper {
  background-color: var(--color-surface);
  border-radius: var(--radius-card);
  border: 1px solid var(--color-border);
  padding: 1.75rem 1.5rem;
  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.04);
}

.contact-details {
  padding: 0 0.5rem;
}

.contact-details h3 {
  margin-top: 0;
}

.contact-list {
  list-style: none;
  margin: 0 0 1.5rem;
  padding: 0;
  font-size: 0.95rem;
}

.contact-list li + li {
  margin-top: 0.4rem;
}

.contact-list a {
  color: var(--color-primary-dark);
  text-decoration: none;
}

.contact-list a:hover,
.contact-list a:focus-visible {
  text-decoration: underline;
}

.contact-info-card {
  background-color: #e5e7eb;
  border-radius: 10px;
  padding: 1rem;
  font-size: 0.95rem;
}

/* Form */

form {
  margin-top: 1.5rem;
}

.form-group {
  margin-bottom: 1.1rem;
}

label {
  display: inline-block;
  margin-bottom: 0.35rem;
  font-weight: 500;
}

.required {
  color: var(--color-danger);
}

input[type="text"],
input[type="email"],
input[type="tel"],
select,
textarea {
  width: 100%;
  padding: 0.6rem 0.7rem;
  border-radius: 8px;
  border: 1px solid var(--color-border);
  font-family: inherit;
  font-size: 0.95rem;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast),
    background-color var(--transition-fast);
}

input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.18);
  background-color: #ffffff;
}

textarea {
  resize: vertical;
}

.field-hint {
  margin: 0.3rem 0 0;
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.field-error {
  margin: 0.25rem 0 0;
  font-size: 0.85rem;
  color: var(--color-danger);
  min-height: 1.1rem;
}

input.error,
select.error,
textarea.error {
  border-color: var(--color-danger);
  background-color: #fef2f2;
}

.form-actions {
  margin-top: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-note {
  margin: 0;
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

.form-status {
  margin-top: 1rem;
  font-size: 0.9rem;
}

/* Footer */

.site-footer {
  background-color: #020617;
  color: #9ca3af;
  padding-top: 2.5rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  padding-bottom: 1.5rem;
}

.site-footer h3 {
  margin-top: 0;
  margin-bottom: 0.75rem;
  color: #e5e7eb;
  font-size: 1rem;
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
  font-size: 0.9rem;
}

.footer-links li + li {
  margin-top: 0.35rem;
}

.footer-links a {
  color: #e5e7eb;
  text-decoration: none;
}

.footer-links a:hover,
.footer-links a:focus-visible {
  text-decoration: underline;
}

.footer-bottom {
  border-top: 1px solid rgba(148, 163, 184, 0.3);
  text-align: center;
  padding: 0.9rem 1.5rem 1.2rem;
  font-size: 0.85rem;
}

/* Utilities */

@media (min-width: 640px) {
  .nav-list {
    display: flex;
  }

  .hero-content h1 {
    font-size: 2.2rem;
  }

  .section {
    padding: 4.5rem 0;
  }
}

@media (min-width: 768px) {
  .hero-inner {
    flex-direction: row;
    align-items: center;
  }

  .hero-content {
    flex: 3;
  }

  .hero-aside {
    flex: 2;
  }

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

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

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

  .cta-inner {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }

  .cta-actions {
    align-items: flex-end;
  }

  .footer-grid {
    grid-template-columns: 2fr 1fr 1fr;
  }
}

@media (min-width: 960px) {
  .packages-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

  .contact-grid {
    grid-template-columns: minmax(0, 3fr) minmax(0, 2fr);
  }
}