/* ===== GLOBAL RESET & VARIABLES ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --black-void: #050505;
  --black-rich: #0A0A0A;
  --black-deep: #111111;
  --black-soft: #1A1A1A;
  
  --gold-primary: #D4AF37;
  --gold-bright: #E7C85A;
  --gold-light: #F4D98A;
  --gold-pale: #F4EFE4;
  
  --white: #FFFFFF;
  --white-soft: #F5F5F5;
  --gray-light: #A8A8A8;
  --gray-mid: #666666;
  --gray-dark: #333333;
  
  --text-primary: rgba(255, 255, 255, 0.95);
  --text-secondary: rgba(255, 255, 255, 0.7);
  --text-muted: rgba(255, 255, 255, 0.5);
  
  --border-gold: rgba(212, 175, 55, 0.3);
  --border-gold-light: rgba(212, 175, 55, 0.15);
  --border-white: rgba(255, 255, 255, 0.08);
  
  --font-display: 'Playfair Display', Georgia, 'Times New Roman', serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-spring: 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  background-color: var(--black-void);
  color: var(--text-primary);
  font-family: var(--font-body);
  line-height: 1.7;
  font-weight: 400;
  overflow-x: hidden;
}

/* ===== PREMIUM NAVIGATION ===== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(5, 5, 5, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-white);
  transition: var(--transition-smooth);
}

.nav-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--white);
}

.nav-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border: 1.5px solid var(--gold-primary);
  color: var(--gold-primary);
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  border-radius: 2px;
}

.nav-brand-text {
  font-weight: 600;
  font-size: 0.85rem;
  letter-spacing: 0.15em;
  color: var(--text-primary);
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 2.5rem;
  align-items: center;
}

.nav-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  transition: var(--transition-fast);
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--gold-primary);
  transition: width 0.3s ease;
}

.nav-link:hover {
  color: var(--white);
}

.nav-link:hover::after {
  width: 100%;
}

.nav-cta {
  padding: 0.6rem 1.5rem !important;
  font-size: 0.8rem !important;
  letter-spacing: 0.1em !important;
}

/* ===== HERO SECTION - Redesigned ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 72px;
  overflow: hidden;
  background: radial-gradient(ellipse at 30% 50%, rgba(212, 175, 55, 0.04) 0%, transparent 60%),
              radial-gradient(ellipse at 70% 30%, rgba(212, 175, 55, 0.03) 0%, transparent 50%);
}

.hero-background-decoration {
  position: absolute;
  top: 50%;
  left: -5%;
  transform: translateY(-50%);
  pointer-events: none;
  z-index: 0;
  opacity: 0.03;
}

.hero-bg-number {
  font-family: var(--font-display);
  font-size: 25rem;
  font-weight: 800;
  color: var(--white);
  line-height: 1;
  display: block;
}

.hero-bg-text {
  font-family: var(--font-display);
  font-size: 6rem;
  font-weight: 700;
  color: var(--white);
  letter-spacing: 0.5em;
  text-transform: uppercase;
  display: block;
  margin-top: -4rem;
}

.hero-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 2rem 2.5rem;
  width: 100%;
  position: relative;
  z-index: 1;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
}

.hero-content {
  max-width: 580px;
}

.hero-eyebrow-wrapper {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.hero-line {
  display: block;
  width: 40px;
  height: 1px;
  background: var(--gold-primary);
}

.hero-eyebrow {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.7rem;
  letter-spacing: 0.4em;
  text-transform: uppercase;
  color: var(--gold-primary);
}

.hero-headline {
  font-family: var(--font-display);
  font-size: clamp(3rem, 5.5vw, 4.5rem);
  font-weight: 700;
  line-height: 1.1;
  color: var(--white);
  margin-bottom: 1.8rem;
  letter-spacing: -0.02em;
}

.hero-headline-accent {
  color: var(--gold-light);
  display: block;
  font-style: italic;
}

.hero-description {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 2.5rem;
  max-width: 460px;
}

.hero-cta-wrapper {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

.hero-trust-indicators {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-wrap: wrap;
}

.trust-item {
  font-size: 0.75rem;
  color: var(--text-muted);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  font-weight: 500;
}

.trust-divider {
  color: var(--border-gold);
  font-size: 0.6rem;
}

/* Hero Image - Sophisticated Treatment */
.hero-image-wrapper {
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-image-frame {
  position: relative;
  max-width: 550px;
  width: 100%;
  padding: 20px;
}

.hero-image-decoration {
  display: none;
}

.hero-image-inner {
  position: relative;
  z-index: 1;
  border: 2px solid var(--gold-primary);
  border-radius: 0px;
  overflow: hidden;
  box-shadow: 0 40px 80px -30px rgba(0, 0, 0, 0.8),
              0 0 60px rgba(212, 175, 55, 0.15);
}

.hero-image {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  aspect-ratio: 4/3;
  filter: brightness(1.05) contrast(1.05);
  transition: transform 0.6s ease;
}

.hero-image-inner:hover .hero-image {
  transform: scale(1.03);
}

.hero-image-glow {
  position: absolute;
  bottom: -20px;
  left: 50%;
  transform: translateX(-50%);
  width: 80%;
  height: 40px;
  background: radial-gradient(ellipse, rgba(212, 175, 55, 0.2), transparent);
  z-index: -1;
  pointer-events: none;
}

.hero-bottom-accent {
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 80%;
  max-width: 1200px;
}

.accent-line {
  display: block;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-gold), transparent);
}

/* ===== BUTTONS - Premium CTA Design ===== */
.btn-download {
  background: transparent;
  border: 1.5px solid var(--gold-primary);
  color: var(--gold-light);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.9rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 1rem 2.2rem;
  cursor: pointer;
  position: relative;
  transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  overflow: hidden;
  border-radius: 2px;
}

.btn-download::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(212, 175, 55, 0.1), transparent);
  transition: left 0.5s ease;
}

.btn-download:hover::before {
  left: 100%;
}

.btn-download:hover {
  background: rgba(212, 175, 55, 0.08);
  border-color: var(--gold-bright);
  color: var(--white);
  box-shadow: 0 0 40px rgba(212, 175, 55, 0.2);
  transform: translateY(-2px);
}

.btn-download:focus-visible {
  outline: 2px solid var(--gold-bright);
  outline-offset: 3px;
}

.btn-download:active {
  transform: translateY(0);
}

.btn-inner {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.btn-arrow {
  transition: transform 0.3s ease;
  font-size: 1.1rem;
}

.btn-download:hover .btn-arrow {
  transform: translateX(4px);
}

.btn-download-hero {
  padding: 1.1rem 2.6rem;
  font-size: 0.95rem;
  align-self: flex-start;
}

.btn-download-final {
  padding: 1.2rem 3rem;
  font-size: 1rem;
  margin: 0 auto;
}

/* ===== SECTION BASE STYLES ===== */
.section-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2.5rem;
}

section {
  padding: 7rem 0;
  position: relative;
}

.section-number {
  font-family: var(--font-display);
  font-size: 0.9rem;
  color: var(--gold-primary);
  display: block;
  margin-bottom: 1rem;
  letter-spacing: 0.1em;
}

.section-heading {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 3.5vw, 3rem);
  font-weight: 700;
  line-height: 1.2;
  color: var(--white);
  margin-bottom: 1rem;
}

.section-subtitle {
  color: var(--text-secondary);
  font-size: 1rem;
  max-width: 500px;
}

/* ===== KNOWLEDGE COMPOUNDS ===== */
.section-compounds {
  border-top: 1px solid var(--border-white);
  background: var(--black-rich);
}

.compounds-layout {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 4rem;
  align-items: start;
}

.compounds-number-block {
  display: flex;
  flex-direction: column;
}

.compounds-large-number {
  font-family: var(--font-display);
  font-size: 8rem;
  font-weight: 800;
  color: var(--gold-primary);
  opacity: 0.15;
  line-height: 1;
  margin-bottom: -1.5rem;
}

.compounds-heading {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 4vw, 3.5rem);
  font-weight: 700;
  color: var(--white);
  line-height: 1.15;
}

.compounds-content {
  padding-top: 1rem;
}

.compounds-quote-wrapper {
  position: relative;
  padding-left: 2rem;
  border-left: 2px solid var(--gold-primary);
  margin-bottom: 1.5rem;
}

.compounds-quote-mark {
  position: absolute;
  top: -1.5rem;
  left: 1rem;
  font-family: var(--font-display);
  font-size: 5rem;
  color: var(--gold-primary);
  opacity: 0.2;
  line-height: 1;
  pointer-events: none;
}

.compounds-quote {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 2.2vw, 1.9rem);
  font-style: italic;
  color: var(--text-primary);
  line-height: 1.5;
  position: relative;
  z-index: 1;
}

.compounds-subtitle {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.7;
  max-width: 500px;
}

/* ===== CATEGORIES SECTION ===== */
.section-categories {
  background: var(--black-void);
}

.categories-header {
  margin-bottom: 4rem;
}

.categories-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border-white);
  border: 1px solid var(--border-white);
}

.category-item {
  background: var(--black-void);
  padding: 3rem 2.5rem;
  position: relative;
  transition: background 0.3s ease;
  cursor: default;
}

.category-item:hover {
  background: var(--black-deep);
}

.category-number {
  font-family: var(--font-display);
  font-size: 3.5rem;
  font-weight: 700;
  color: var(--gold-primary);
  opacity: 0.2;
  position: absolute;
  top: 1.5rem;
  right: 2rem;
  transition: opacity 0.3s ease;
}

.category-item:hover .category-number {
  opacity: 0.4;
}

.category-title {
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--white);
  margin-bottom: 0.8rem;
  position: relative;
  z-index: 1;
}

.category-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
  position: relative;
  z-index: 1;
}

.category-line {
  display: block;
  width: 30px;
  height: 1px;
  background: var(--gold-primary);
  margin-top: 1.5rem;
  opacity: 0;
  transition: opacity 0.3s ease, width 0.3s ease;
}

.category-item:hover .category-line {
  opacity: 1;
  width: 50px;
}

/* ===== DISCOVER SECTION ===== */
.section-discover {
  background: var(--black-rich);
  border-top: 1px solid var(--border-white);
}

.discover-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}

.discover-heading {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 4vw, 3.5rem);
  font-weight: 700;
  color: var(--white);
  line-height: 1.15;
  margin-bottom: 2rem;
}

.discover-heading-accent {
  color: var(--gold-light);
  font-style: italic;
}

.discover-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0;
  border-top: 1px solid var(--border-white);
}

.discover-list-item {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding: 1.2rem 0;
  border-bottom: 1px solid var(--border-white);
  transition: var(--transition-fast);
}

.discover-list-item:hover {
  padding-left: 0.5rem;
  background: rgba(255, 255, 255, 0.01);
}

.discover-list-number {
  font-family: var(--font-display);
  font-size: 0.85rem;
  color: var(--gold-primary);
  opacity: 0.6;
  min-width: 25px;
  font-weight: 600;
}

.discover-list-text {
  font-size: 1rem;
  color: var(--text-secondary);
  transition: color 0.2s ease;
}

.discover-list-item:hover .discover-list-text {
  color: var(--white);
}

/* ===== TOPICS SECTION ===== */
.section-topics {
  background: var(--black-void);
}

.topics-header {
  margin-bottom: 4rem;
}

.topics-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0;
  border-top: 1px solid var(--border-white);
}

.topic-item {
  padding: 2.5rem 0;
  border-bottom: 1px solid var(--border-white);
  border-right: 1px solid var(--border-white);
  padding-right: 3rem;
  transition: var(--transition-fast);
  cursor: default;
}

.topic-item:nth-child(even) {
  border-right: none;
  padding-left: 3rem;
  padding-right: 0;
}

.topic-item:hover {
  background: rgba(255, 255, 255, 0.01);
}

.topic-number {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--gold-primary);
  opacity: 0.25;
  display: block;
  margin-bottom: 0.5rem;
  transition: opacity 0.3s ease;
}

.topic-item:hover .topic-number {
  opacity: 0.5;
}

.topic-title {
  font-family: var(--font-body);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 0.5rem;
  letter-spacing: 0.02em;
}

.topic-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
  max-width: 400px;
}

/* ===== VALUE SECTION ===== */
.section-value {
  background: var(--black-rich);
  border-top: 1px solid var(--border-white);
}

.value-header {
  margin-bottom: 4rem;
}

.value-heading {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 4vw, 3.8rem);
  font-weight: 700;
  color: var(--white);
  line-height: 1.15;
}

.value-heading-accent {
  color: var(--gold-light);
  font-style: italic;
}

.value-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}

.value-item {
  padding: 2.5rem;
  border: 1px solid var(--border-white);
  transition: var(--transition-smooth);
  position: relative;
}

.value-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--gold-primary), transparent);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.value-item:hover {
  border-color: var(--border-gold);
  background: rgba(212, 175, 55, 0.02);
}

.value-item:hover::before {
  opacity: 1;
}

.value-icon {
  font-size: 1.5rem;
  color: var(--gold-primary);
  display: block;
  margin-bottom: 1.2rem;
}

.value-title {
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--white);
  margin-bottom: 0.8rem;
}

.value-desc {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ===== FINAL CTA SECTION ===== */
.section-final-cta {
  background: var(--black-void);
  padding: 8rem 0;
}

.final-cta-container {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 2.5rem;
  position: relative;
  text-align: center;
}

.final-cta-decoration {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(212, 175, 55, 0.06) 0%, transparent 70%);
  pointer-events: none;
  border-radius: 50%;
}

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

.final-cta-heading {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 4.5vw, 3.5rem);
  font-weight: 700;
  color: var(--white);
  line-height: 1.2;
  margin-bottom: 1.5rem;
}

.final-cta-description {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 550px;
  margin: 0 auto 2.5rem;
  line-height: 1.7;
}

.final-cta-note {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 1.2rem;
  letter-spacing: 0.05em;
}

/* ===== FOOTER ===== */
.footer {
  background: var(--black-rich);
  border-top: 1px solid var(--border-white);
  padding: 4rem 0 2rem;
}

.footer-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2.5rem;
}

.footer-brand {
  margin-bottom: 3rem;
}

.footer-logo {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 0.2em;
  color: var(--gold-primary);
  text-decoration: none;
}

.footer-tagline {
  font-family: var(--font-display);
  font-style: italic;
  color: var(--text-secondary);
  font-size: 1.1rem;
  margin-top: 0.5rem;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 2rem;
  border-top: 1px solid var(--border-white);
}

.footer-copyright,
.footer-credit {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 1200px) {
  .hero-grid {
    gap: 3rem;
  }
  
  .compounds-layout {
    gap: 3rem;
  }
  
  .categories-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 900px) {
  .nav-links {
    display: none;
  }
  
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  
  .hero-image-wrapper {
    order: -1;
  }
  
  .hero-image-frame {
    max-width: 400px;
    margin: 0 auto;
  }
  
  .hero-content {
    max-width: 100%;
    text-align: center;
  }
  
  .hero-eyebrow-wrapper {
    justify-content: center;
  }
  
  .hero-description {
    max-width: 100%;
    margin-left: auto;
    margin-right: auto;
  }
  
  .hero-cta-wrapper {
    align-items: center;
  }
  
  .btn-download-hero {
    align-self: center;
  }
  
  .hero-trust-indicators {
    justify-content: center;
  }
  
  .compounds-layout {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  .compounds-large-number {
    font-size: 5rem;
  }
  
  .discover-layout {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  
  .categories-grid {
    grid-template-columns: 1fr 1fr;
  }
  
  .topics-grid {
    grid-template-columns: 1fr;
  }
  
  .topic-item,
  .topic-item:nth-child(even) {
    border-right: none;
    padding-left: 0;
    padding-right: 0;
  }
  
  .value-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 600px) {
  .nav-container {
    padding: 0 1.2rem;
  }
  
  .nav-brand-text {
    font-size: 0.7rem;
  }
  
  .nav-cta {
    padding: 0.5rem 1rem !important;
    font-size: 0.7rem !important;
  }
  
  .hero-container {
    padding: 2rem 1.2rem;
  }
  
  .hero-headline {
    font-size: 2.2rem;
  }
  
  .section-container {
    padding: 0 1.2rem;
  }
  
  section {
    padding: 4rem 0;
  }
  
  .categories-grid {
    grid-template-columns: 1fr;
  }
  
  .category-item {
    padding: 2rem 1.5rem;
  }
  
  .compounds-quote {
    font-size: 1.3rem;
  }
  
  .footer-container {
    padding: 0 1.2rem;
  }
  
  .footer-bottom {
    flex-direction: column;
    gap: 0.5rem;
    text-align: center;
  }
}