@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@400;600;700&display=swap');

:root {
  /* backgrounds */
  --vsl-bg-deep:        #050103;
  --vsl-bg-dark:        #0a0307;
  --vsl-bg-card:        #14070e;
  --vsl-bg-card-hover:  #1e0b16;

  /* text */
  --vsl-text-primary:   #ffffff;
  --vsl-text-secondary: #a798a5;
  --vsl-text-muted:     #6e586a;

  /* accents */
  --vsl-accent-pink:        #ff2d55;
  --vsl-accent-pink-glow:   rgba(255, 45, 85, 0.15);
  --vsl-accent-orange:      #ff5722;
  --vsl-accent-orange-glow: rgba(255, 87, 34, 0.3);
  --vsl-accent-crimson:     #d81b43;
  --vsl-accent-crimson-glow: rgba(216, 27, 67, 0.2);

  /* borders */
  --vsl-border:       rgba(255, 255, 255, 0.05);
  --vsl-border-hover: rgba(255, 45, 85, 0.25);

  --font-heading: 'Poppins', sans-serif;
  --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

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

html {
  font-family: var(--font-body);
  background-color: var(--vsl-bg-deep);
  color: var(--vsl-text-primary);
  line-height: 1.6;
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1rem;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }

p {
  margin-bottom: 1rem;
  color: var(--vsl-text-secondary);
}

a {
  color: var(--vsl-accent-orange);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover, a:focus {
  color: var(--vsl-accent-pink);
}

/* Accessibility: focus outlines */
:focus-visible {
  outline: 2px solid var(--vsl-accent-orange);
  outline-offset: 4px;
}

/* Layout */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
  width: 100%;
}

main {
  flex: 1;
}

/* Navigation */
.site-nav {
  background-color: var(--vsl-bg-dark);
  border-bottom: 1px solid var(--vsl-border);
  padding: 1rem 0;
  position: sticky;
  top: 0;
  z-index: 100;
}

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

.nav-logo img {
  /* 60px, up from 40px. The asset is 360x136, so a 2x display needs 120px of
     source height and 136 is available — this scales without softening. */
  height: 60px;
  width: auto;
}

.nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
}

.nav-links a {
  color: var(--vsl-text-primary);
  font-weight: 600;
}

.nav-links a:hover {
  color: var(--vsl-accent-pink);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  border-radius: 4px;
  font-family: var(--font-heading);
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all 0.2s ease;
}

.btn-primary {
  background-color: var(--vsl-accent-pink);
  color: #fff;
}

.btn-primary:hover {
  background-color: var(--vsl-accent-crimson);
  box-shadow: 0 0 15px var(--vsl-accent-pink-glow);
  color: #fff;
}

.btn-secondary {
  background-color: transparent;
  color: var(--vsl-accent-orange);
  border: 1px solid var(--vsl-accent-orange);
}

.btn-secondary:hover {
  background-color: var(--vsl-accent-orange-glow);
  color: #fff;
}

/* Cards */
.card {
  background-color: var(--vsl-bg-card);
  border: 1px solid var(--vsl-border);
  border-radius: 8px;
  padding: 2rem;
  transition: all 0.2s ease;
}

.card:hover {
  background-color: var(--vsl-bg-card-hover);
  border-color: var(--vsl-border-hover);
}

/* Forms */
.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 600;
  color: var(--vsl-text-primary);
}

.form-control {
  width: 100%;
  padding: 0.75rem;
  background-color: var(--vsl-bg-dark);
  border: 1px solid var(--vsl-border);
  border-radius: 4px;
  color: var(--vsl-text-primary);
  font-family: var(--font-body);
}

.form-control:focus {
  outline: none;
  border-color: var(--vsl-accent-pink);
  box-shadow: 0 0 0 2px var(--vsl-accent-pink-glow);
}

.checkbox-group {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
}

.checkbox-group input[type="checkbox"] {
  margin-top: 0.25rem;
}

/* Footer */
.site-footer {
  background-color: var(--vsl-bg-dark);
  border-top: 1px solid var(--vsl-border);
  padding: 3rem 0;
  margin-top: 4rem;
  text-align: center;
}

/* Utils */
.text-center { text-align: center; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }
.mt-4 { margin-top: 2rem; }
.hidden { display: none !important; }

/* Modal */
dialog {
  margin: auto;
  background-color: var(--vsl-bg-card);
  color: var(--vsl-text-primary);
  border: 1px solid var(--vsl-border);
  border-radius: 8px;
  padding: 2rem;
  max-width: 500px;
  width: 90%;
  box-shadow: 0 10px 30px rgba(0,0,0,0.5);
}

dialog::backdrop {
  background: rgba(5, 1, 3, 0.8);
  backdrop-filter: blur(4px);
}

dialog[open] {
  animation: modalFadeIn 0.3s ease;
}

@keyframes modalFadeIn {
  from { opacity: 0; transform: translateY(-20px); }
  to { opacity: 1; transform: translateY(0); }
}

.close-btn {
  background: none;
  border: none;
  color: var(--vsl-text-secondary);
  font-size: 1.5rem;
  cursor: pointer;
  position: absolute;
  top: 1rem;
  right: 1rem;
}

.close-btn:hover {
  color: var(--vsl-accent-pink);
}

/* VAT specific class */
.vat-line {
  font-size: 0.875rem;
  color: var(--vsl-text-muted);
}