/* ============================================
   AI SALES ADVISORY — Global Stylesheet
   Dark & Bold Theme | Navy + Gold Accent
   ============================================ */

/* ---------- CSS Custom Properties ---------- */
:root {
  --color-bg-primary: #0a0e1a;
  --color-bg-secondary: #111827;
  --color-bg-card: #1a2035;
  --color-bg-card-hover: #212945;
  --color-gold: #c9a84c;
  --color-gold-light: #e2c97e;
  --color-gold-dark: #a8872e;
  --color-text-primary: #f1f1f4;
  --color-text-secondary: #9ca3af;
  --color-text-muted: #6b7280;
  --color-border: rgba(201, 168, 76, 0.15);
  --color-border-subtle: rgba(255, 255, 255, 0.06);
  --font-display: 'Inter', 'Helvetica Neue', Arial, sans-serif;
  --font-body: 'Inter', 'Helvetica Neue', Arial, sans-serif;
  --max-width: 1200px;
  --transition-fast: 0.2s ease;
  --transition-medium: 0.35s ease;
}

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

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

body {
  font-family: var(--font-body);
  background: var(--color-bg-primary);
  color: var(--color-text-primary);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a { color: var(--color-gold); text-decoration: none; transition: color var(--transition-fast); }
a:hover { color: var(--color-gold-light); }

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

ul { list-style: none; }

/* ---------- Typography ---------- */
h1, h2, h3, h4, h5 { font-family: var(--font-display); font-weight: 700; line-height: 1.2; }

h1 { font-size: clamp(2.2rem, 5vw, 3.5rem); letter-spacing: -0.02em; }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.4rem); letter-spacing: -0.015em; }
h3 { font-size: clamp(1.2rem, 2.5vw, 1.5rem); }
h4 { font-size: 1.1rem; }

p { color: var(--color-text-secondary); max-width: 680px; }

.section-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: 0.75rem;
}

/* ---------- Layout ---------- */
.container { width: 100%; max-width: var(--max-width); margin: 0 auto; padding: 0 2rem; }

section { padding: 6rem 0; }

/* ---------- Navigation ---------- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(10, 14, 26, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-border-subtle);
  transition: background var(--transition-medium);
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-text-primary);
  letter-spacing: -0.01em;
}

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

.nav-links { display: flex; align-items: center; gap: 2rem; }

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

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

.nav-links a.active::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--color-gold);
  border-radius: 1px;
}

/* Ensure the Book a Call button text colour isn't overridden by .nav-links a */
.nav-links a.btn-primary,
.nav-links a.btn-primary:hover { color: #000000; }

/* Hamburger */
.hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; background: none; border: none; padding: 4px; }
.hamburger span { display: block; width: 24px; height: 2px; background: var(--color-text-primary); border-radius: 2px; transition: var(--transition-fast); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 600;
  padding: 0.8rem 1.75rem;
  border-radius: 6px;
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
}

.btn-primary {
  background: var(--color-gold);
  color: var(--color-bg-primary);
}
.btn-primary:hover {
  background: var(--color-gold-light);
  color: var(--color-bg-primary);
  transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(201, 168, 76, 0.3);
}

.btn-outline {
  background: transparent;
  color: var(--color-gold);
  border: 1.5px solid var(--color-gold);
}
.btn-outline:hover {
  background: rgba(201, 168, 76, 0.1);
  color: var(--color-gold-light);
  border-color: var(--color-gold-light);
}

.btn-ghost {
  background: transparent;
  color: var(--color-text-primary);
  padding: 0.6rem 1rem;
}
.btn-ghost:hover { color: var(--color-gold); }

.btn-sm { padding: 0.6rem 1.25rem; font-size: 0.85rem; }
.btn-lg { padding: 1rem 2.25rem; font-size: 1rem; }

/* ---------- Hero Section ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 72px;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -200px;
  right: -200px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(201, 168, 76, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

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

.hero-content h1 { margin-bottom: 1.5rem; }

.hero-content h1 .highlight {
  background: linear-gradient(135deg, var(--color-gold), var(--color-gold-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-content p {
  font-size: 1.15rem;
  line-height: 1.8;
  margin-bottom: 2.5rem;
  max-width: 580px;
}

.hero-buttons { display: flex; gap: 1rem; flex-wrap: wrap; }

.hero-stats {
  display: flex;
  gap: 3rem;
  margin-top: 4rem;
  padding-top: 2.5rem;
  border-top: 1px solid var(--color-border-subtle);
}

.hero-stats .stat h3 {
  font-size: 2rem;
  color: var(--color-gold);
  margin-bottom: 0.25rem;
}

.hero-stats .stat p {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

/* ---------- Cards ---------- */
.card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border-subtle);
  border-radius: 12px;
  padding: 2rem;
  transition: all var(--transition-medium);
}

.card:hover {
  background: var(--color-bg-card-hover);
  border-color: var(--color-border);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
}

.card-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 10px;
  background: rgba(201, 168, 76, 0.1);
  color: var(--color-gold);
  font-size: 1.3rem;
  margin-bottom: 1.25rem;
}

.card h3 { margin-bottom: 0.75rem; color: var(--color-text-primary); }
.card p { font-size: 0.95rem; }

/* ---------- Grid Layouts ---------- */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 2rem; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; }

/* ---------- Section Styles ---------- */
.section-header { text-align: center; margin-bottom: 3.5rem; }
.section-header p { margin: 0.75rem auto 0; }

.bg-dark { background: var(--color-bg-secondary); }

/* ---------- Logo Bar / Social Proof ---------- */
.logo-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 3rem;
  flex-wrap: wrap;
  padding: 2rem 0;
  opacity: 0.5;
}

.logo-bar span {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-text-muted);
  letter-spacing: 0.05em;
}

/* ---------- Testimonial ---------- */
.testimonial {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border-subtle);
  border-radius: 12px;
  padding: 2.5rem;
  position: relative;
}

.testimonial::before {
  content: '\201C';
  font-size: 4rem;
  color: var(--color-gold);
  opacity: 0.3;
  position: absolute;
  top: 1rem;
  left: 1.5rem;
  line-height: 1;
}

.testimonial p { font-size: 1.05rem; font-style: italic; padding-left: 1rem; margin-bottom: 1.5rem; color: var(--color-text-primary); }
.testimonial-author { font-weight: 600; color: var(--color-text-primary); font-size: 0.9rem; }
.testimonial-role { color: var(--color-text-muted); font-size: 0.85rem; }

/* ---------- CTA Banner ---------- */
.cta-banner {
  background: linear-gradient(135deg, var(--color-bg-card) 0%, rgba(201, 168, 76, 0.08) 100%);
  border: 1px solid var(--color-border);
  border-radius: 16px;
  padding: 4rem 3rem;
  text-align: center;
}

.cta-banner h2 { margin-bottom: 1rem; }
.cta-banner p { margin: 0 auto 2rem; }
.cta-banner .btn { margin: 0 0.5rem; }

/* ---------- Process / Steps ---------- */
.process-step {
  display: flex;
  align-items: flex-start;
  gap: 1.5rem;
  padding: 1.5rem 0;
}

.process-number {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(201, 168, 76, 0.1);
  border: 1.5px solid var(--color-gold);
  color: var(--color-gold);
  font-weight: 700;
  font-size: 1.1rem;
}

.process-step h4 { margin-bottom: 0.4rem; color: var(--color-text-primary); }
.process-step p { font-size: 0.9rem; }

/* ---------- About Page Specific ---------- */
.about-hero {
  padding-top: calc(72px + 4rem);
  padding-bottom: 4rem;
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 4rem;
  align-items: center;
}

.about-image {
  width: 100%;
  aspect-ratio: 4/5;
  background: linear-gradient(135deg, var(--color-bg-card) 0%, rgba(201, 168, 76, 0.05) 100%);
  border: 1px solid var(--color-border-subtle);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 5rem;
  color: var(--color-gold);
  opacity: 0.4;
}

.experience-item {
  display: flex;
  gap: 1.5rem;
  padding: 2rem 0;
  border-bottom: 1px solid var(--color-border-subtle);
}

.experience-item:last-child { border-bottom: none; }

.experience-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 56px;
  height: 56px;
  border-radius: 12px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border-subtle);
  font-weight: 700;
  font-size: 0.8rem;
  color: var(--color-gold);
  letter-spacing: 0.05em;
}

.experience-details h4 { color: var(--color-text-primary); margin-bottom: 0.25rem; }
.experience-details .role { color: var(--color-gold); font-size: 0.85rem; font-weight: 600; margin-bottom: 0.5rem; }
.experience-details p { font-size: 0.9rem; }

/* ---------- Services Page Specific ---------- */
.service-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  padding: 4rem 0;
  border-bottom: 1px solid var(--color-border-subtle);
}

.service-detail:last-child { border-bottom: none; }

.service-detail.reverse { direction: rtl; }
.service-detail.reverse > * { direction: ltr; }

.service-detail h3 { font-size: 1.6rem; margin-bottom: 1rem; color: var(--color-text-primary); }
.service-detail p { margin-bottom: 1rem; }

.service-features { margin-top: 1.5rem; }

.service-features li {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 0.5rem 0;
  font-size: 0.9rem;
  color: var(--color-text-secondary);
}

.service-features li::before {
  content: '→';
  color: var(--color-gold);
  font-weight: 700;
  flex-shrink: 0;
}

.service-visual {
  aspect-ratio: 4/3;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border-subtle);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
}

/* ---------- Pricing Tiers ---------- */
.pricing-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border-subtle);
  border-radius: 16px;
  padding: 2.5rem;
  text-align: center;
  transition: all var(--transition-medium);
}

.pricing-card.featured {
  border-color: var(--color-gold);
  position: relative;
}

.pricing-card.featured::before {
  content: 'Most Popular';
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-gold);
  color: var(--color-bg-primary);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.3rem 1rem;
  border-radius: 20px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.pricing-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
}

.pricing-card h3 { margin-bottom: 0.5rem; }
.pricing-card .price { font-size: 2.5rem; font-weight: 700; color: var(--color-gold); margin: 1.5rem 0; }
.pricing-card .price span { font-size: 1rem; color: var(--color-text-muted); font-weight: 400; }
.pricing-card .features { text-align: left; margin: 1.5rem 0 2rem; }
.pricing-card .features li { padding: 0.4rem 0; font-size: 0.9rem; color: var(--color-text-secondary); }
.pricing-card .features li::before { content: '✓ '; color: var(--color-gold); font-weight: 700; }

/* ---------- Contact Page Specific ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 4rem;
}

.contact-info h2 { margin-bottom: 1rem; }
.contact-info > p { margin-bottom: 2.5rem; }

.contact-method {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.contact-method-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 40px;
  border-radius: 8px;
  background: rgba(201, 168, 76, 0.1);
  color: var(--color-gold);
  font-size: 1rem;
}

.contact-method h4 { color: var(--color-text-primary); font-size: 0.95rem; }
.contact-method p { font-size: 0.9rem; }

/* Form */
.contact-form {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border-subtle);
  border-radius: 16px;
  padding: 2.5rem;
}

.form-group { margin-bottom: 1.25rem; }

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: 0.4rem;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  border-radius: 8px;
  border: 1px solid var(--color-border-subtle);
  background: var(--color-bg-primary);
  color: var(--color-text-primary);
  font-family: var(--font-body);
  font-size: 0.9rem;
  transition: border-color var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-gold);
  box-shadow: 0 0 0 3px rgba(201, 168, 76, 0.1);
}

.form-group textarea { resize: vertical; min-height: 120px; }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }

/* ---------- Newsletter ---------- */
.newsletter-form {
  display: flex;
  gap: 0.75rem;
  max-width: 480px;
}

.newsletter-form input {
  flex: 1;
  padding: 0.8rem 1rem;
  border-radius: 6px;
  border: 1px solid var(--color-border-subtle);
  background: var(--color-bg-primary);
  color: var(--color-text-primary);
  font-family: var(--font-body);
  font-size: 0.9rem;
}

.newsletter-form input:focus {
  outline: none;
  border-color: var(--color-gold);
}

/* ---------- Footer ---------- */
.footer {
  border-top: 1px solid var(--color-border-subtle);
  padding: 3.5rem 0 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-brand .logo { font-size: 1.1rem; margin-bottom: 1rem; display: inline-block; }
.footer-brand p { font-size: 0.85rem; max-width: 280px; }

.footer-col h4 {
  color: var(--color-text-primary);
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 1.25rem;
}

.footer-col li { margin-bottom: 0.6rem; }
.footer-col a { color: var(--color-text-muted); font-size: 0.9rem; }
.footer-col a:hover { color: var(--color-gold); }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 2rem;
  border-top: 1px solid var(--color-border-subtle);
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

.footer-social { display: flex; gap: 1rem; }
.footer-social a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: var(--color-bg-card);
  color: var(--color-text-muted);
  transition: all var(--transition-fast);
}
.footer-social a:hover {
  background: rgba(201, 168, 76, 0.15);
  color: var(--color-gold);
}

/* ---------- Page Header (non-home pages) ---------- */
.page-header {
  padding-top: calc(72px + 4rem);
  padding-bottom: 3rem;
  text-align: center;
}

.page-header h1 { margin-bottom: 1rem; }
.page-header p { margin: 0 auto; font-size: 1.1rem; }

/* ---------- Divider ---------- */
.gold-line {
  width: 60px;
  height: 3px;
  background: var(--color-gold);
  border-radius: 2px;
  margin: 1.25rem 0;
}

.gold-line-center {
  width: 60px;
  height: 3px;
  background: var(--color-gold);
  border-radius: 2px;
  margin: 1.25rem auto;
}

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
  .service-detail { grid-template-columns: 1fr; gap: 2rem; }
  .service-detail.reverse { direction: ltr; }
}

@media (max-width: 768px) {
  section { padding: 4rem 0; }
  .container { padding: 0 1.25rem; }

  .nav-links {
    display: none;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: rgba(10, 14, 26, 0.98);
    flex-direction: column;
    padding: 1.5rem 2rem;
    gap: 1rem;
    border-bottom: 1px solid var(--color-border-subtle);
  }
  .nav-links.open { display: flex; }
  .hamburger { display: flex; }

  .hero-content h1 { font-size: 2rem; }
  .hero-stats { flex-direction: column; gap: 1.5rem; }

  .grid-2 { grid-template-columns: 1fr; }
  .grid-3 { grid-template-columns: 1fr; }
  .grid-4 { grid-template-columns: 1fr; }

  .about-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }

  .cta-banner { padding: 3rem 1.5rem; }
  .cta-banner .btn { display: block; margin: 0.5rem auto; width: fit-content; }

  .newsletter-form { flex-direction: column; }

  .footer-bottom { flex-direction: column; gap: 1rem; text-align: center; }
}

/* ---------- Utility ---------- */
.text-center { text-align: center; }
.text-gold { color: var(--color-gold); }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }
.mt-2 { margin-top: 1rem; }
.mt-4 { margin-top: 2rem; }