@import url('https://fonts.googleapis.com/css2?family=Bodoni+Moda:ital,opsz,wght@0,6..96,400..900;1,6..96,400..900&family=Outfit:wght@200;300;400;500;600&display=swap');

:root {
  --color-bg-dark: #0a0a0a;
  --color-bg-charcoal: #121212;
  --color-bg-card: #1c1c1c;
  --color-text-light: #f5f5f5;
  --color-text-muted: #a0a0a0;
  --color-gold: #c5a880;
  --color-gold-hover: #b3946c;
  --color-white: #ffffff;
  
  --font-serif: 'Bodoni Moda', serif;
  --font-sans: 'Outfit', sans-serif;
  
  --spacing-xs: 0.75rem;
  --spacing-sm: 1.5rem;
  --spacing-md: 3rem;
  --spacing-lg: 6rem;
  --spacing-xl: 10rem; /* 1.5x extra breathing room */
  
  --transition-smooth: all 0.8s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-fast: all 0.3s ease;
}

/* Reset and Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  background-color: var(--color-bg-dark);
  color: var(--color-text-light);
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4 {
  font-family: var(--font-serif);
  font-weight: 350;
  letter-spacing: -0.01em;
  line-height: 1.1;
  color: var(--color-white);
}

p {
  font-family: var(--font-sans);
  font-weight: 300;
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--color-text-muted);
  letter-spacing: 0.02em;
}

.text-gold {
  color: var(--color-gold);
}

.font-italic {
  font-style: italic;
}

.mobile-br {
  display: none;
}

/* Layout & Containers */
.container {
  width: 90%;
  max-width: 1400px;
  margin: 0 auto;
}

section {
  padding: var(--spacing-xl) 0;
  position: relative;
  overflow: hidden;
}

/* Nav */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  padding: var(--spacing-sm) 0;
  background: rgba(10, 10, 10, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.03);
}

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

.logo {
  font-family: var(--font-serif);
  font-size: 1.8rem;
  font-weight: 400;
  letter-spacing: 0.15em;
  text-decoration: none;
  color: var(--color-white);
  transition: var(--transition-fast);
}

.logo span {
  font-size: 0.8rem;
  vertical-align: super;
  letter-spacing: normal;
  color: var(--color-gold);
}

.logo:hover {
  opacity: 0.8;
}

.nav-link {
  font-family: var(--font-sans);
  font-weight: 400;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  text-decoration: none;
  color: var(--color-text-light);
  border-bottom: 1px solid transparent;
  transition: var(--transition-fast);
  padding-bottom: 2px;
}

.nav-link:hover {
  color: var(--color-gold);
  border-bottom-color: var(--color-gold);
}

/* Hero Section */
.hero {
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  background-color: var(--color-bg-dark);
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  overflow: hidden;
}

.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.25;
  filter: grayscale(1) brightness(0.6);
  transform: scale(1.05);
  animation: slowZoom 25s infinite alternate ease-in-out;
}

.hero-bg::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to bottom, rgba(10,10,10,0.4) 0%, rgba(10,10,10,0.95) 100%);
  z-index: 2;
}

#hero-canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 3;
  pointer-events: none;
}

@keyframes slowZoom {
  0% { transform: scale(1.03) translate(0, 0); }
  100% { transform: scale(1.1) translate(0, -10px); }
}

.hero-content {
  position: relative;
  z-index: 3;
  text-align: center;
  width: 100%;
  max-width: 950px;
  padding: 0 var(--spacing-sm);
}

.hero h1 {
  font-size: clamp(3rem, 6vw, 5.5rem);
  margin-bottom: var(--spacing-sm);
  animation: fadeInUp 1.5s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.hero p {
  font-size: clamp(1.1rem, 2vw, 1.35rem);
  color: var(--color-text-light);
  opacity: 0.9;
  margin-bottom: var(--spacing-md);
  max-width: 750px;
  margin-left: auto;
  margin-right: auto;
  font-weight: 300;
  animation: fadeInUp 1.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.cta-button {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-white);
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.3);
  padding: 1.25rem 2.75rem;
  text-decoration: none;
  cursor: pointer;
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
  animation: fadeInUp 2.1s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.cta-button:hover {
  border-color: var(--color-gold);
  color: var(--color-bg-dark);
}

.cta-button::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: var(--color-white);
  z-index: -1;
  transform: translateY(100%);
  transition: var(--transition-smooth);
}

.cta-button:hover::before {
  transform: translateY(0);
  background-color: var(--color-gold);
}

/* Animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(40px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Scroll Animation Classes */
.reveal {
  opacity: 0;
  transform: translateY(50px);
  transition: opacity 1.2s cubic-bezier(0.16, 1, 0.3, 1), transform 1.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

/* Section 2: Anchoring Thought Leadership */
.talks-section {
  background-color: var(--color-bg-charcoal);
  padding: var(--spacing-xl) 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.02);
}

.talks-header {
  text-align: center;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: var(--spacing-md);
}

.talks-header h3 {
  font-size: clamp(2rem, 3.5vw, 3rem);
  margin-bottom: var(--spacing-sm);
}

/* Section 3: Intellectual Validation (Redesigned Blueprint) */
.intellectual-validation {
  background-color: var(--color-bg-dark);
  padding: var(--spacing-xl) 0;
}

.validation-header {
  text-align: left;
  margin-bottom: var(--spacing-md);
}

.validation-header h2 {
  font-size: clamp(2.2rem, 4vw, 3.8rem);
  max-width: 900px;
}

.validation-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: var(--spacing-lg);
  align-items: center;
}

.validation-media {
  position: relative;
  width: 100%;
  aspect-ratio: 4/5;
  background-color: var(--color-bg-charcoal);
  border: 1px solid rgba(255, 255, 255, 0.05);
  display: flex;
  flex-direction: column;
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.6);
  overflow: hidden;
}

.validation-media img {
  width: 100%;
  height: calc(100% - 40px);
  object-fit: cover;
  filter: grayscale(1) contrast(1.1);
  transition: var(--transition-smooth);
}

.validation-media:hover img {
  transform: scale(1.05);
  filter: grayscale(0.7) contrast(1.1) brightness(0.9);
}

.media-caption {
  height: 40px;
  background-color: var(--color-bg-charcoal);
  display: flex;
  align-items: center;
  justify-content: center;
  border-top: 1px solid rgba(255, 255, 255, 0.03);
  font-family: var(--font-sans);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-muted);
}

.video-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: calc(100% - 40px); /* stop overlay above caption */
  background: rgba(10, 10, 10, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2;
  transition: var(--transition-fast);
}

.play-trigger {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition-smooth);
  color: var(--color-white);
}

.play-trigger svg {
  width: 24px;
  height: 24px;
  fill: currentColor;
  transform: translateX(2px);
  transition: var(--transition-smooth);
}

.validation-media:hover .play-trigger {
  background: var(--color-gold);
  border-color: var(--color-gold);
  color: var(--color-bg-dark);
  transform: scale(1.1);
}

.validation-pillars {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.pillar-card {
  display: flex;
  gap: var(--spacing-sm);
  align-items: flex-start;
  padding: var(--spacing-sm) 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  transition: var(--transition-fast);
}

.pillar-card:first-child {
  padding-top: 0;
}

.pillar-card:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.pillar-card:hover {
  border-bottom-color: rgba(197, 168, 128, 0.3);
}

.pillar-num {
  font-family: var(--font-serif);
  font-size: 2.2rem;
  font-weight: 300;
  color: var(--color-gold);
  line-height: 1;
  opacity: 0.65;
  transition: var(--transition-fast);
  min-width: 45px;
}

.pillar-card:hover .pillar-num {
  opacity: 1;
}

.pillar-content h3 {
  font-family: var(--font-sans);
  font-size: 1.15rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.35rem;
  color: var(--color-white);
}

.pillar-content p {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

.authority-tag {
  font-family: var(--font-sans);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--color-gold);
  margin-bottom: var(--spacing-sm);
  display: block;
}

/* Talks Curated Curation Grid */

.talks-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-md);
  margin-top: var(--spacing-md);
}

.talk-card {
  background-color: var(--color-bg-charcoal);
  border: 1px solid rgba(255, 255, 255, 0.04);
  display: flex;
  flex-direction: column;
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2);
  transition: var(--transition-smooth);
  overflow: hidden;
}

.talk-card:hover {
  transform: translateY(-8px);
  border-color: rgba(197, 168, 128, 0.3);
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.4);
}

.talk-thumb-container {
  position: relative;
  width: 100%;
  aspect-ratio: 16/9;
  overflow: hidden;
  cursor: pointer;
  border-bottom: 1px solid rgba(255, 255, 255, 0.03);
}

.talk-thumb {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(1) brightness(0.85);
  transition: var(--transition-smooth);
}

.talk-thumb-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(10, 10, 10, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-fast);
  z-index: 2;
}

.ted-logo-svg {
  position: absolute;
  top: 15px;
  left: 20px;
  height: 18px;
  filter: drop-shadow(0 2px 4px rgba(0,0,0,0.8));
  transition: var(--transition-fast);
}

.thumb-play-indicator {
  width: 54px;
  height: 54px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition-smooth);
  color: var(--color-white);
}

.thumb-play-indicator svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
  transform: translateX(1px);
}

/* Hover effects */
.talk-card:hover .talk-thumb {
  transform: scale(1.04);
  filter: grayscale(0.5) brightness(0.9);
}

.talk-card:hover .talk-thumb-overlay {
  background: rgba(10, 10, 10, 0.25);
}

.talk-card:hover .thumb-play-indicator {
  background: var(--color-gold);
  border-color: var(--color-gold);
  color: var(--color-bg-dark);
  transform: scale(1.08);
  box-shadow: 0 0 20px rgba(197, 168, 128, 0.3);
}

.talk-card-content {
  padding: 2.2rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
  justify-content: space-between;
}

.talk-card-header {
  margin-bottom: var(--spacing-sm);
}

.talk-card .talk-tag {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-gold);
  margin-bottom: 0.75rem;
  display: block;
}

.talk-source {
  color: var(--color-white);
  font-weight: 400;
  opacity: 0.9;
}


.talk-card .talk-title {
  font-size: 1.55rem;
  font-weight: 350;
  line-height: 1.25;
  margin-bottom: 0.75rem;
}

.talk-card .talk-speaker {
  font-family: var(--font-sans);
  font-size: 0.85rem;
  color: var(--color-white);
  font-weight: 400;
  letter-spacing: 0.02em;
}

.talk-card .speaker-role {
  color: var(--color-text-muted);
  font-weight: 300;
}

.talk-quote {
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 300;
  line-height: 1.7;
  color: var(--color-text-muted);
  font-style: italic;
  margin-bottom: var(--spacing-sm);
  border-left: 2px solid rgba(197, 168, 128, 0.2);
  padding-left: 1rem;
}

.talk-play-btn {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: var(--color-text-light);
  font-family: var(--font-sans);
  font-size: 0.8rem;
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 0.85rem 1.5rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 10px;
  width: fit-content;
  transition: var(--transition-fast);
  margin-top: auto;
}

.talk-play-btn svg {
  width: 14px;
  height: 14px;
  fill: currentColor;
}

.talk-play-btn:hover {
  border-color: var(--color-gold);
  color: var(--color-gold);
  background: rgba(197, 168, 128, 0.03);
}

/* Section 3: Dual Strategy Split */
.strategy {
  background-color: var(--color-bg-charcoal);
  border-top: 1px solid rgba(255, 255, 255, 0.02);
  border-bottom: 1px solid rgba(255, 255, 255, 0.02);
}

.strategy-header {
  text-align: center;
  max-width: 800px;
  margin: 0 auto var(--spacing-lg) auto;
}

.strategy-header h2 {
  font-size: clamp(2.2rem, 3.5vw, 3.2rem);
  margin-bottom: var(--spacing-sm);
}

.strategy-switcher {
  display: flex;
  justify-content: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  padding-bottom: 1px;
}

.strategy-tab {
  background: none;
  border: none;
  font-family: var(--font-sans);
  font-size: 1.1rem;
  font-weight: 300;
  color: var(--color-text-muted);
  cursor: pointer;
  padding: 1.5rem 2rem;
  position: relative;
  transition: var(--transition-fast);
}

.strategy-tab::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--color-gold);
  transform: scaleX(0);
  transition: var(--transition-smooth);
  transform-origin: right;
}

.strategy-tab.active {
  color: var(--color-white);
  font-weight: 400;
}

.strategy-tab.active::after {
  transform: scaleX(1);
  transform-origin: left;
}

.strategy-content-wrapper {
  position: relative;
  min-height: 480px;
}

.strategy-panel {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: var(--spacing-lg);
  align-items: center;
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  visibility: hidden;
  transform: translateY(15px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1), visibility 0.8s;
}

.strategy-panel.active {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  position: relative;
}

.strategy-panel h3 {
  font-size: 2.4rem;
  margin-bottom: var(--spacing-md);
}

.strategy-panel p {
  font-size: 1.1rem;
  margin-bottom: var(--spacing-md);
  color: var(--color-text-light);
}

.strategy-features {
  list-style: none;
}

.strategy-features li {
  position: relative;
  padding-left: 2rem;
  margin-bottom: var(--spacing-sm);
  font-family: var(--font-sans);
  font-weight: 300;
  color: var(--color-text-muted);
  font-size: 1.05rem;
}

.strategy-features li strong {
  color: var(--color-white);
  font-weight: 400;
}

.strategy-features li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--color-gold);
}

.strategy-visual-panel {
  width: 100%;
  aspect-ratio: 16/10;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.05);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
}

.strategy-visual-panel img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(1) contrast(1.05);
  transition: var(--transition-smooth);
}

.strategy-visual-panel:hover img {
  filter: grayscale(0.5) contrast(1.05);
  transform: scale(1.03);
}

/* Section 4: Engagement Model */
.engagement h2 {
  font-size: clamp(2.2rem, 3.5vw, 3.2rem);
  text-align: center;
  margin-bottom: var(--spacing-lg);
}

.timeline {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-md);
  position: relative;
  margin-top: var(--spacing-md);
}

.timeline::before {
  content: '';
  position: absolute;
  top: 40px;
  left: 10%;
  width: 80%;
  height: 1px;
  background: rgba(255, 255, 255, 0.05);
  z-index: 1;
}

.timeline-step {
  text-align: center;
  position: relative;
  z-index: 2;
  padding: 0 var(--spacing-sm);
}

.step-number {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: var(--color-bg-dark);
  border: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--spacing-md) auto;
  font-family: var(--font-serif);
  font-size: 1.8rem;
  color: var(--color-gold);
  transition: var(--transition-smooth);
}

.timeline-step:hover .step-number {
  border-color: var(--color-gold);
  color: var(--color-white);
  box-shadow: 0 0 30px rgba(197, 168, 128, 0.15);
}

.timeline-step h3 {
  font-size: 1.5rem;
  margin-bottom: var(--spacing-sm);
  letter-spacing: -0.01em;
}

.timeline-step p {
  font-size: 0.95rem;
}

/* Section 5: Velvet Curtain (Case Studies) */
.proof {
  background-color: var(--color-bg-charcoal);
  border-top: 1px solid rgba(255, 255, 255, 0.02);
  border-bottom: 1px solid rgba(255, 255, 255, 0.02);
}

.proof-header {
  text-align: center;
  max-width: 800px;
  margin: 0 auto var(--spacing-lg) auto;
}

.proof-header h2 {
  font-size: clamp(2.2rem, 3.5vw, 3.2rem);
  margin-bottom: var(--spacing-sm);
}

.case-study {
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  gap: var(--spacing-lg);
  align-items: center;
}

.case-content {
  padding-right: var(--spacing-md);
}

.case-tag {
  font-family: var(--font-sans);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--color-gold);
  margin-bottom: var(--spacing-sm);
  display: block;
}

.case-content h3 {
  font-size: 2.8rem;
  margin-bottom: var(--spacing-md);
}

.case-content p {
  margin-bottom: var(--spacing-md);
}

.case-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-md);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: var(--spacing-md);
}

.metric-item {
  text-align: left;
}

.metric-value {
  font-family: var(--font-serif);
  font-size: 2.8rem;
  color: var(--color-gold);
  line-height: 1;
  margin-bottom: 0.5rem;
}

.metric-label {
  font-family: var(--font-sans);
  font-size: 0.8rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  line-height: 1.4;
}

.case-visual {
  width: 100%;
  aspect-ratio: 1/1;
  border: 1px solid rgba(255, 255, 255, 0.05);
  overflow: hidden;
  background-color: var(--color-bg-dark);
}

.case-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(1) contrast(1.1);
  transition: var(--transition-smooth);
}

.case-visual:hover img {
  filter: grayscale(0.6) contrast(1.05);
}

/* Section 6: Private Inquiry Footer */
.inquiry {
  padding: var(--spacing-xl) 0;
  text-align: center;
}

.inquiry-container {
  max-width: 700px;
  margin: 0 auto;
}

.inquiry h2 {
  font-size: clamp(2.5rem, 4.5vw, 4.2rem);
  margin-bottom: var(--spacing-sm);
}

.inquiry-tagline {
  font-family: var(--font-sans);
  font-size: 1.1rem;
  color: var(--color-text-light);
  margin-bottom: var(--spacing-lg);
  font-weight: 300;
}

.inquiry-form {
  text-align: left;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-md);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-md);
}

.form-group {
  position: relative;
  width: 100%;
}

.form-input {
  width: 100%;
  padding: 1rem 0;
  background: transparent;
  border: none;
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
  font-family: var(--font-sans);
  font-size: 1.05rem;
  color: var(--color-white);
  transition: var(--transition-fast);
}

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

.form-label {
  position: absolute;
  top: 1rem;
  left: 0;
  font-family: var(--font-sans);
  font-size: 1rem;
  color: var(--color-text-muted);
  pointer-events: none;
  transition: var(--transition-fast);
}

/* Float label logic when input has content or focus */
.form-input:focus ~ .form-label,
.form-input:not(:placeholder-shown) ~ .form-label {
  top: -1rem;
  font-size: 0.8rem;
  color: var(--color-gold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.form-submit-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-top: var(--spacing-sm);
}

.form-submit-btn {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-white);
  background: transparent;
  border: 1px solid var(--color-gold);
  padding: 1.25rem 3.5rem;
  cursor: pointer;
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
  width: auto;
}

.form-submit-btn:hover {
  color: var(--color-bg-dark);
}

.form-submit-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: var(--color-gold);
  z-index: -1;
  transform: translateY(100%);
  transition: var(--transition-smooth);
}

.form-submit-btn:hover::before {
  transform: translateY(0);
}

.form-status {
  margin-top: var(--spacing-sm);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  letter-spacing: 0.02em;
  opacity: 0;
  transition: opacity 0.5s ease;
  min-height: 1.5rem;
  text-align: center;
}

.form-status.success {
  color: var(--color-gold);
  opacity: 1;
}

.form-status.error {
  color: #ff6b6b;
  opacity: 1;
}

.site-credits {
  margin-top: var(--spacing-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.02);
  padding-top: var(--spacing-md);
  text-align: center;
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.2);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* Modals / Placeholders */
.video-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(10, 10, 10, 0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition-fast);
}

.video-modal.active {
  opacity: 1;
  visibility: visible;
}

.video-modal-content {
  width: 90%;
  max-width: 960px;
  aspect-ratio: 16/9;
  background: #000;
  position: relative;
  box-shadow: 0 40px 100px rgba(0,0,0,0.8);
}

.video-modal-close {
  position: absolute;
  top: -40px;
  right: 0;
  background: none;
  border: none;
  color: var(--color-white);
  font-family: var(--font-sans);
  font-size: 1rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  cursor: pointer;
  padding: 5px;
  display: flex;
  align-items: center;
  gap: 5px;
}

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

.video-player-simulation {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: var(--spacing-md);
  text-align: center;
}

.video-player-simulation h3 {
  margin-bottom: var(--spacing-sm);
  color: var(--color-gold);
}

/* Responsive adjustments */
@media (max-width: 1024px) {
  :root {
    --spacing-xl: 7rem;
    --spacing-lg: 4rem;
  }
  
  .talks-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-sm);
  }
  
  .talk-card {
    min-height: auto;
  }
  
  .validation-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }
  
  .validation-media {
    aspect-ratio: 16/10;
    max-width: 600px;
    margin: 0 auto;
  }
  
  .strategy-panel {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }
  
  .strategy-visual-panel {
    aspect-ratio: 16/9;
    max-width: 600px;
    margin: 0 auto;
  }
  
  .case-study {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }
  
  .case-content {
    padding-right: 0;
  }
  
  .case-visual {
    aspect-ratio: 16/10;
    max-width: 600px;
    margin: 0 auto;
  }
}

@media (max-width: 768px) {
  :root {
    --spacing-xl: 5rem;
    --spacing-lg: 3rem;
  }
  
  .timeline {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }
  
  .timeline::before {
    display: none;
  }
  
  .form-row {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }
  
  .strategy-switcher {
    flex-direction: column;
    align-items: center;
    gap: 0;
  }
  
  .strategy-tab {
    padding: 1rem;
    width: 100%;
    text-align: center;
  }
  
  .case-metrics {
    grid-template-columns: 1fr;
    gap: var(--spacing-sm);
  }
  
  .metric-item {
    text-align: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    padding-bottom: var(--spacing-sm);
  }
  
  .metric-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
  }

  /* Disable scroll reveal animations on mobile to guarantee instant content display */
  .reveal {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }

  /* Prevent navigation bar overlay on mobile hero content */
  header {
    padding: var(--spacing-xs) 0;
  }

  .logo {
    font-size: 1.4rem;
  }

  .hero {
    height: auto;
    min-height: 100vh;
    padding-top: 80px; /* Offsets fixed header height + safe margin */
    padding-bottom: var(--spacing-lg);
  }

  .hero-content {
    padding: 0 var(--spacing-xs);
  }

  .hero h1 {
    font-size: clamp(1.6rem, 7vw, 2.3rem);
    margin-bottom: var(--spacing-sm);
    line-height: 1.2;
    word-break: break-word;
  }

  .hero p {
    font-size: 1rem;
    margin-bottom: var(--spacing-md);
  }

  .cta-button {
    display: block;
    width: 100%;
    max-width: 320px;
    margin: 0 auto;
    padding: 1rem 1.5rem;
    font-size: 0.8rem;
    letter-spacing: 0.1em;
    white-space: normal;
    word-wrap: break-word;
  }

  .mobile-br {
    display: block;
  }

  /* Talk Card padding compression on mobile */
  .talk-card-content {
    padding: 1.5rem;
  }

  /* Strategy switcher tab typography wrapping */
  .strategy-tab {
    font-size: 0.95rem;
    padding: 1rem 0.5rem;
    white-space: normal;
    word-wrap: break-word;
  }

  /* Inquiry form padding and button scaling */
  .inquiry {
    padding: var(--spacing-xl) var(--spacing-sm);
  }

  .form-submit-btn {
    width: 100%;
    max-width: 340px;
    padding: 1.25rem 1.5rem;
    font-size: 0.85rem;
    white-space: normal;
    word-wrap: break-word;
  }
}