/* ============================================
   Back Bay Capital — Global Styles
   ============================================ */

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

:root {
  --bg-dark: #0b0f1a;
  --bg-card: #111827;
  --bg-card-hover: #1a2236;
  --accent: #3b82f6;
  --accent-light: #60a5fa;
  --accent-gradient: linear-gradient(135deg, #3b82f6, #8b5cf6);
  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --border: #1e293b;
  --radius: 12px;
  --radius-lg: 20px;
  --transition: 0.3s ease;
  --max-width: 1200px;
}

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

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

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

a:hover {
  color: #93c5fd;
}

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

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* --- Typography --- */
h1, h2, h3, h4 {
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-primary);
}

h1 { font-size: clamp(2.2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.4rem); }
h3 { font-size: 1.25rem; }
h4 { font-size: 1.1rem; }

.gradient-text {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-label {
  text-transform: uppercase;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 2px;
  color: var(--accent);
  margin-bottom: 12px;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 32px;
  font-size: 0.95rem;
  font-weight: 600;
  border: none;
  border-radius: 50px;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
}

.btn-primary {
  background: var(--accent-gradient);
  color: #fff;
  box-shadow: 0 4px 20px rgba(59, 130, 246, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(59, 130, 246, 0.45);
  color: #fff;
}

.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border: 1.5px solid var(--border);
}

.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent-light);
}

/* ============================================
   Navigation
   ============================================ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 16px 0;
  transition: all var(--transition);
  background: transparent;
}

.navbar.scrolled {
  background: rgba(11, 15, 26, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  padding: 10px 0;
}

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

.logo {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.5px;
}

.logo span {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 36px;
  align-items: center;
}

.nav-links a {
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  transition: color var(--transition);
  position: relative;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--text-primary);
}

.nav-links a.active::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--accent-gradient);
  border-radius: 2px;
}

/* Mobile Nav Toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
}

.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all var(--transition);
}

.nav-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle.active span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding: 120px 0 80px;
}

.hero::before {
  content: '';
  position: absolute;
  top: -40%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(59, 130, 246, 0.12) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -15%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(139, 92, 246, 0.08) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

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

.hero-content {
  max-width: 720px;
}

.hero h1 {
  margin-bottom: 24px;
}

.hero p {
  font-size: 1.15rem;
  color: var(--text-secondary);
  margin-bottom: 40px;
  max-width: 560px;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

/* ============================================
   Services Section
   ============================================ */
.services {
  padding: 100px 0;
}

.section-header {
  text-align: center;
  max-width: 600px;
  margin: 0 auto 60px;
}

.section-header p {
  color: var(--text-secondary);
  margin-top: 12px;
  font-size: 1.05rem;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
}

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--accent-gradient);
  opacity: 0;
  transition: opacity var(--transition);
}

.service-card:hover {
  background: var(--bg-card-hover);
  border-color: rgba(59, 130, 246, 0.2);
  transform: translateY(-4px);
}

.service-card:hover::before {
  opacity: 1;
}

.service-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: rgba(59, 130, 246, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  font-size: 1.5rem;
}

.service-card h3 {
  margin-bottom: 10px;
}

.service-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

/* ============================================
   About / Why Us Section
   ============================================ */
.about {
  padding: 100px 0;
  background: linear-gradient(180deg, transparent 0%, rgba(17, 24, 39, 0.5) 50%, transparent 100%);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.about-content p {
  color: var(--text-secondary);
  margin-top: 16px;
  font-size: 1.05rem;
}

.stats-row {
  display: flex;
  gap: 48px;
  margin-top: 40px;
}

.stat h3 {
  font-size: 2.2rem;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat p {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-top: 4px;
}

.about-features {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.feature-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  transition: all var(--transition);
}

.feature-item:hover {
  border-color: rgba(59, 130, 246, 0.2);
}

.feature-item h4 {
  margin-bottom: 8px;
  color: var(--text-primary);
}

.feature-item p {
  color: var(--text-secondary);
  font-size: 0.92rem;
}

/* ============================================
   CTA / Form Section
   ============================================ */
.cta-section {
  padding: 100px 0;
}

.cta-wrapper {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 60px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.cta-wrapper::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(59, 130, 246, 0.08) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.cta-content {
  position: relative;
  z-index: 1;
}

.cta-content h2 {
  margin-bottom: 16px;
}

.cta-content p {
  color: var(--text-secondary);
  font-size: 1.05rem;
}

/* --- Form Styles --- */
.form-wrapper {
  position: relative;
  z-index: 1;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-group {
  display: flex;
  flex-direction: column;
}

.form-group.full-width {
  grid-column: 1 / -1;
}

.form-group label {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

.form-group input,
.form-group textarea {
  background: var(--bg-dark);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 13px 16px;
  color: var(--text-primary);
  font-family: inherit;
  font-size: 0.95rem;
  transition: border-color var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
}

.form-group textarea {
  resize: vertical;
  min-height: 100px;
}

.consent-group {
  grid-column: 1 / -1;
  margin-top: 8px;
}

.consent-label {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.8rem;
  color: var(--text-muted);
  line-height: 1.5;
  cursor: pointer;
}

.consent-label input[type="checkbox"] {
  margin-top: 3px;
  accent-color: var(--accent);
  flex-shrink: 0;
}

.form-submit {
  grid-column: 1 / -1;
  margin-top: 8px;
}

.form-submit .btn {
  width: 100%;
  padding: 16px;
  font-size: 1rem;
}

/* ============================================
   Contact Page Specific
   ============================================ */
.contact-section {
  padding: 140px 0 100px;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 60px;
  align-items: start;
}

.contact-info-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px;
}

.contact-info-card h2 {
  margin-bottom: 12px;
}

.contact-info-card > p {
  color: var(--text-secondary);
  margin-bottom: 32px;
}

.contact-detail {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 0;
  border-top: 1px solid var(--border);
}

.contact-detail-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: rgba(59, 130, 246, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.contact-detail-text p {
  color: var(--text-secondary);
  font-size: 0.85rem;
}

.contact-detail-text a,
.contact-detail-text span {
  color: var(--text-primary);
  font-weight: 500;
  font-size: 0.95rem;
}

.contact-form-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px;
}

.contact-form-card h3 {
  margin-bottom: 24px;
  font-size: 1.3rem;
}

/* ============================================
   Legal Pages (Privacy, Terms)
   ============================================ */
.legal-page {
  padding: 140px 0 100px;
}

.legal-content {
  max-width: 800px;
  margin: 0 auto;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 56px;
}

.legal-content h1 {
  font-size: 2rem;
  margin-bottom: 8px;
}

.legal-meta {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 40px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border);
}

.legal-content h2 {
  font-size: 1.2rem;
  margin-top: 36px;
  margin-bottom: 12px;
  color: var(--accent-light);
}

.legal-content p {
  color: var(--text-secondary);
  margin-bottom: 12px;
  font-size: 0.95rem;
}

.legal-content ul {
  list-style: none;
  padding-left: 0;
  margin-bottom: 16px;
}

.legal-content ul li {
  color: var(--text-secondary);
  font-size: 0.95rem;
  padding: 4px 0 4px 20px;
  position: relative;
}

.legal-content ul li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--accent);
}

/* ============================================
   Footer
   ============================================ */
.footer {
  padding: 60px 0 32px;
  border-top: 1px solid var(--border);
  margin-top: 40px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-brand .logo {
  margin-bottom: 16px;
  display: inline-block;
}

.footer-brand p {
  color: var(--text-muted);
  font-size: 0.9rem;
  max-width: 320px;
}

.footer-col h4 {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--text-muted);
  margin-bottom: 20px;
}

.footer-col ul {
  list-style: none;
}

.footer-col ul li {
  margin-bottom: 10px;
}

.footer-col ul a {
  color: var(--text-secondary);
  font-size: 0.9rem;
  transition: color var(--transition);
}

.footer-col ul a:hover {
  color: var(--text-primary);
}

.footer-bottom {
  padding-top: 24px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-bottom p {
  color: var(--text-muted);
  font-size: 0.82rem;
}

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 1024px) {
  .about-grid {
    gap: 48px;
  }

  .cta-wrapper {
    padding: 40px;
    gap: 40px;
  }

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

@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(11, 15, 26, 0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 32px;
    z-index: 999;
  }

  .nav-links.open {
    display: flex;
  }

  .nav-links a {
    font-size: 1.3rem;
  }

  .nav-toggle {
    display: flex;
    z-index: 1001;
  }

  .hero {
    padding: 100px 0 60px;
    min-height: auto;
  }

  .hero h1 {
    font-size: 2rem;
  }

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

  .about-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .stats-row {
    gap: 32px;
  }

  .cta-wrapper {
    grid-template-columns: 1fr;
    padding: 32px 24px;
    gap: 32px;
  }

  .form-grid {
    grid-template-columns: 1fr;
  }

  .contact-grid {
    grid-template-columns: 1fr;
  }

  .legal-content {
    padding: 32px 24px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .hero-buttons {
    flex-direction: column;
  }

  .hero-buttons .btn {
    width: 100%;
  }

  .stats-row {
    flex-direction: column;
    gap: 20px;
  }
}

/* ============================================
   Animations
   ============================================ */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Form success / error states */
.form-message {
  padding: 14px 20px;
  border-radius: 10px;
  font-size: 0.9rem;
  margin-top: 16px;
  display: none;
}

.form-message.success {
  background: rgba(34, 197, 94, 0.1);
  border: 1px solid rgba(34, 197, 94, 0.3);
  color: #4ade80;
  display: block;
}

.form-message.error {
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: #f87171;
  display: block;
}