/* BROTET INVEST AS - Bio-Neon Unique Design | valdeluna.shop */
/* Modern, dark theme with mint-neon accents, generous spacing, clean typography */
/* Fully responsive, no images, pure CSS + text */

:root {
  --bg-primary: #0a0f1e;
  --bg-secondary: #111827;
  --bg-card: #141b2e;
  --bg-card-hover: #1a223a;
  --accent: #00f5c4;
  --accent-purple: #a855f7;
  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --border: #334155;
  --border-neon: rgba(0, 245, 196, 0.3);
  --radius-xl: 24px;
  --radius-lg: 16px;
  --radius-md: 10px;
  --shadow-card: 0 15px 35px rgba(0, 0, 0, 0.35);
  --shadow-neon: 0 0 25px rgba(0, 245, 196, 0.2);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --max-width: 1280px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition);
}

a:hover {
  color: var(--accent);
}

/* Header - Sticky glassmorphism */
header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 15, 30, 0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}

.nav-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 1.25rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

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

nav ul {
  display: flex;
  gap: 2.25rem;
  list-style: none;
  align-items: center;
}

nav a {
  font-weight: 500;
  font-size: 0.95rem;
  position: relative;
}

nav a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(to right, var(--accent), var(--accent-purple));
  transition: width 0.3s ease;
}

nav a:hover::after {
  width: 100%;
}

.hamburger {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 0.5rem;
}

/* Hero Split Screen - Unique asymmetric bio-neon */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 2rem;
  gap: 4rem;
  position: relative;
  overflow: hidden;
}

.hero-content {
  flex: 1.1;
  max-width: 620px;
  z-index: 2;
}

.hero h1 {
  font-size: clamp(3rem, 6vw, 4.75rem);
  font-weight: 800;
  line-height: 1.05;
  margin-bottom: 1.5rem;
  letter-spacing: -0.04em;
}

.hero .subtitle {
  font-size: 1.35rem;
  color: var(--text-secondary);
  margin-bottom: 2.5rem;
  max-width: 520px;
}

.cta-group {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 1rem 2.25rem;
  border-radius: 9999px;
  font-weight: 600;
  font-size: 1rem;
  transition: var(--transition);
  cursor: pointer;
  border: none;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), #00d4a8);
  color: #0a0f1e;
  box-shadow: 0 10px 25px rgba(0, 245, 196, 0.3);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 15px 35px rgba(0, 245, 196, 0.45);
}

.btn-secondary {
  background: transparent;
  color: var(--text-primary);
  border: 2px solid var(--border-neon);
}

.btn-secondary:hover {
  background: rgba(0, 245, 196, 0.08);
  border-color: var(--accent);
  transform: translateY(-2px);
}

/* Bio-Neon Visual Panel - Pure CSS asymmetric art */
.hero-visual {
  flex: 1;
  position: relative;
  height: 520px;
  min-width: 420px;
  border-radius: var(--radius-xl);
  background: linear-gradient(145deg, #141b2e 0%, #0f172a 100%);
  border: 1px solid var(--border-neon);
  overflow: hidden;
  box-shadow: var(--shadow-card), var(--shadow-neon);
}

.neon-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(1px);
  animation: float 20s infinite ease-in-out;
}

.orb1 {
  width: 180px;
  height: 180px;
  background: radial-gradient(circle at 40% 30%, var(--accent) 0%, transparent 70%);
  top: 12%;
  left: 18%;
  opacity: 0.6;
  animation-delay: 0s;
}

.orb2 {
  width: 120px;
  height: 120px;
  background: radial-gradient(circle at 60% 40%, var(--accent-purple) 0%, transparent 65%);
  top: 48%;
  right: 14%;
  opacity: 0.5;
  animation-delay: -7s;
}

.orb3 {
  width: 90px;
  height: 90px;
  background: radial-gradient(circle at 30% 70%, #00f5c4 0%, transparent 60%);
  bottom: 18%;
  left: 28%;
  opacity: 0.4;
  animation-delay: -14s;
}

.neon-line {
  position: absolute;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  height: 1px;
  opacity: 0.3;
  animation: pulse-line 8s infinite ease-in-out;
}

.line1 { width: 60%; top: 22%; left: 20%; }
.line2 { width: 40%; top: 65%; right: 15%; animation-delay: -3s; }

@keyframes float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(15px, -25px) scale(1.05); }
}

@keyframes pulse-line {
  0%, 100% { opacity: 0.2; }
  50% { opacity: 0.45; }
}

/* Sections */
section {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 5rem 2rem;
}

.section-title {
  font-size: 2.25rem;
  font-weight: 700;
  margin-bottom: 1rem;
  position: relative;
  display: inline-block;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 0;
  width: 60px;
  height: 3px;
  background: linear-gradient(to right, var(--accent), var(--accent-purple));
  border-radius: 3px;
}

.intro-text {
  max-width: 820px;
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: 4rem;
}

/* Philosophy / Long text block - unique asymmetric */
.philosophy {
  background: var(--bg-secondary);
  border-radius: var(--radius-xl);
  padding: 4rem;
  border: 1px solid var(--border);
  margin-bottom: 3rem;
}

.philosophy p {
  margin-bottom: 1.5rem;
  font-size: 1.05rem;
}

/* Article Cards Grid - Magazine inspired with neon */
.articles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 2rem;
}

.article-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  overflow: hidden;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  height: 100%;
  position: relative;
}

.article-card:hover {
  transform: translateY(-8px);
  border-color: var(--accent);
  box-shadow: var(--shadow-card), var(--shadow-neon);
}

.card-accent {
  height: 5px;
  background: linear-gradient(to right, var(--accent), var(--accent-purple));
}

.card-content {
  padding: 1.75rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.card-category {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  padding: 0.35rem 0.85rem;
  border-radius: 9999px;
  background: rgba(0, 245, 196, 0.1);
  color: var(--accent);
  margin-bottom: 1rem;
  width: fit-content;
}

.article-card h3 {
  font-size: 1.35rem;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.excerpt {
  color: var(--text-secondary);
  font-size: 0.98rem;
  line-height: 1.65;
  flex: 1;
  margin-bottom: 1.5rem;
}

.card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: auto;
}

.read-btn {
  background: transparent;
  border: 1px solid var(--accent);
  color: var(--accent);
  padding: 0.6rem 1.4rem;
  border-radius: 9999px;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}

.read-btn:hover {
  background: var(--accent);
  color: #0a0f1e;
}

/* Modal - Clean modern */
.modal {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 200;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  background: rgba(10, 15, 30, 0.92);
  backdrop-filter: blur(8px);
}

.modal.active {
  display: flex;
}

.modal-content {
  background: var(--bg-card);
  border-radius: var(--radius-xl);
  max-width: 820px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  border: 1px solid var(--border-neon);
  box-shadow: var(--shadow-card);
  position: relative;
}

.modal-header {
  padding: 2rem 2.5rem 1.5rem;
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
}

.modal-header h2 {
  font-size: 1.85rem;
  font-weight: 700;
  line-height: 1.25;
}

.close-modal {
  background: none;
  border: none;
  font-size: 2rem;
  color: var(--text-secondary);
  cursor: pointer;
  line-height: 1;
  padding: 0;
  transition: color 0.2s;
}

.close-modal:hover {
  color: var(--accent);
}

.modal-body {
  padding: 2.5rem;
  font-size: 1.05rem;
  line-height: 1.85;
  color: var(--text-secondary);
}

.modal-body p {
  margin-bottom: 1.35rem;
}

.modal-body h4 {
  color: var(--text-primary);
  margin: 2rem 0 1rem;
  font-size: 1.15rem;
}

/* Contact Page Styles */
.contact-container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 3rem 2rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
}

.contact-info h2 {
  margin-bottom: 1.5rem;
}

.contact-info p {
  color: var(--text-secondary);
  margin-bottom: 2rem;
}

.address-block {
  background: var(--bg-card);
  padding: 2rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  margin-bottom: 2rem;
}

.address-block strong {
  color: var(--accent);
}

.form-container {
  background: var(--bg-card);
  padding: 2.5rem;
  border-radius: var(--radius-xl);
  border: 1px solid var(--border);
}

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

.form-group label {
  display: block;
  margin-bottom: 0.6rem;
  font-weight: 500;
  font-size: 0.95rem;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 0.95rem 1.25rem;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 1rem;
  transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 4px rgba(0, 245, 196, 0.1);
}

.form-group textarea {
  min-height: 140px;
  resize: vertical;
}

.form-note {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 1.5rem;
}

/* Thank You Page */
.thankyou-hero {
  text-align: center;
  padding: 6rem 2rem 4rem;
  max-width: 780px;
  margin: 0 auto;
}

.thankyou-hero h1 {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.thankyou-hero .lead {
  font-size: 1.25rem;
  color: var(--text-secondary);
  margin-bottom: 3rem;
}

.disclaimer-box {
  background: var(--bg-secondary);
  border-left: 5px solid var(--accent);
  padding: 2rem;
  border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
  margin: 3rem auto;
  max-width: 820px;
}

/* Footer */
footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  padding: 3.5rem 2rem 2.5rem;
  margin-top: 6rem;
}

.footer-content {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 3rem;
}

.footer-col h4 {
  font-size: 1rem;
  margin-bottom: 1.25rem;
  color: var(--accent);
}

.footer-col p, .footer-col a {
  font-size: 0.9rem;
  color: var(--text-secondary);
  display: block;
  margin-bottom: 0.5rem;
}

.footer-bottom {
  max-width: var(--max-width);
  margin: 3rem auto 0;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.footer-bottom a {
  color: var(--text-muted);
}

.footer-bottom a:hover {
  color: var(--accent);
}

/* Legal Pages */
.legal-page {
  max-width: 860px;
  margin: 0 auto;
  padding: 4rem 2rem;
}

.legal-page h1 {
  font-size: 2.5rem;
  margin-bottom: 0.5rem;
}

.legal-page .last-updated {
  color: var(--text-muted);
  margin-bottom: 3rem;
}

.legal-section {
  margin-bottom: 3rem;
}

.legal-section h2 {
  font-size: 1.4rem;
  margin-bottom: 1rem;
  color: var(--accent);
}

.legal-section p, .legal-section ul {
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

.legal-section ul {
  padding-left: 1.5rem;
}

.legal-section li {
  margin-bottom: 0.5rem;
}

/* Responsive */
@media (max-width: 1024px) {
  .hero {
    flex-direction: column;
    text-align: center;
    padding-top: 6rem;
    min-height: auto;
  }
  
  .hero-content {
    max-width: 100%;
  }
  
  .hero-visual {
    min-width: 100%;
    height: 380px;
    margin-top: 3rem;
  }
  
  .contact-container {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  nav ul {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg-primary);
    flex-direction: column;
    padding: 2rem;
    border-bottom: 1px solid var(--border);
    gap: 1.25rem;
  }
  
  nav ul.active {
    display: flex;
  }
  
  .hamburger {
    display: block;
  }
  
  .articles-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  
  .section-title {
    font-size: 1.85rem;
  }
}

/* Extra polish for uniqueness */
.glass {
  background: rgba(20, 27, 46, 0.6);
  backdrop-filter: blur(16px);
}

.neon-text {
  background: linear-gradient(90deg, var(--accent), var(--accent-purple));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}