/* ========================================
   NAI IAM Tech Day — Landing Page
   ======================================== */

:root {
  --nai-deep: #0a0e1a;
  --nai-dark: #0d1825;
  --nai-navy: #111d32;
  --nai-blue: #2e7d68;
  --nai-cyan: #5bc4a0;
  --nai-accent: #5bc4a0;
  --nai-white: #ffffff;
  --nai-gray-100: #f0f2f7;
  --nai-gray-200: #c8cdd8;
  --nai-gray-300: #8a92a6;
  --nai-gradient: linear-gradient(135deg, var(--nai-blue), var(--nai-cyan));
  --nai-gradient-dark: linear-gradient(180deg, var(--nai-deep) 0%, var(--nai-navy) 100%);
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;
}

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

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

body {
  font-family: var(--font-body);
  background: var(--nai-deep);
  color: var(--nai-white);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}


.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}

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

.section-label {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 3px;
  color: var(--nai-cyan);
  margin-bottom: 20px;
}

/* ========================================
   NAVBAR
   ======================================== */

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 20px 0;
  transition: all 0.4s ease;
}

.navbar.scrolled {
  background: rgba(10, 14, 26, 0.95);
  backdrop-filter: blur(20px);
  padding: 12px 0;
  border-bottom: 1px solid rgba(91, 196, 160, 0.1);
}

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

.nav-logo {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.logo-img {
  height: 56px;
  width: auto;
}

.footer-logo {
  height: 56px;
  width: auto;
}

.nav-cta {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--nai-white);
  text-decoration: none;
  padding: 10px 24px;
  border: 1px solid rgba(0, 212, 255, 0.4);
  border-radius: 100px;
  transition: all 0.3s ease;
}

.nav-cta:hover {
  background: var(--nai-gradient);
  border-color: transparent;
}

/* ========================================
   HERO SECTION
   ======================================== */

.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero-video-wrap {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.3;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(10,14,26,0.7) 0%, rgba(10,14,26,0.35) 40%, rgba(10,14,26,0.85) 100%),
    linear-gradient(135deg, rgba(46,125,104,0.15) 0%, rgba(91,196,160,0.05) 100%);
}


.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding-top: 80px;
}

.hero-badge {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--nai-cyan);
  border: 1px solid rgba(91, 196, 160, 0.3);
  padding: 10px 28px;
  border-radius: 100px;
  margin-bottom: 32px;
  backdrop-filter: blur(10px);
  background: rgba(91, 196, 160, 0.05);
  animation: fadeInDown 0.8s ease forwards;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 6vw, 5rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 24px;
  animation: fadeInUp 0.8s ease 0.2s forwards;
  opacity: 0;
}

.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--nai-gray-200);
  max-width: 600px;
  margin: 0 auto 40px;
  line-height: 1.6;
  animation: fadeInUp 0.8s ease 0.4s forwards;
  opacity: 0;
}

.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  animation: fadeInUp 0.8s ease 0.6s forwards;
  opacity: 0;
}

.hero-scroll {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--nai-gray-300);
  font-size: 0.75rem;
  letter-spacing: 2px;
  text-transform: uppercase;
}

.scroll-line {
  width: 1px;
  height: 40px;
  background: var(--nai-gradient);
  animation: scrollPulse 2s ease-in-out infinite;
}

/* ========================================
   BUTTONS
   ======================================== */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  padding: 16px 36px;
  border-radius: 100px;
  transition: all 0.3s ease;
  cursor: pointer;
  border: none;
}

.btn-primary {
  background: var(--nai-gradient);
  color: var(--nai-deep);
  box-shadow: 0 4px 30px rgba(46, 125, 104, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 40px rgba(46, 125, 104, 0.5);
}

.btn-outline {
  color: var(--nai-white);
  border: 1px solid rgba(255,255,255,0.2);
  background: rgba(255,255,255,0.05);
  backdrop-filter: blur(10px);
}

.btn-outline:hover {
  border-color: var(--nai-cyan);
  background: rgba(91, 196, 160, 0.1);
}

.btn-lg {
  padding: 18px 44px;
  font-size: 1.05rem;
}

/* ========================================
   VIDEO SECTION
   ======================================== */

.video-section {
  padding: 100px 0;
  background: var(--nai-deep);
}

.video-wrap {
  max-width: 900px;
  margin: 0 auto;
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid rgba(91, 196, 160, 0.15);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
}

.video-player {
  width: 100%;
  display: block;
  background: #000;
}

/* ========================================
   ABOUT SECTION
   ======================================== */

.about {
  padding: 120px 0;
  background: var(--nai-gradient-dark);
}

.about-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 60px;
  align-items: center;
}

.about-text h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 24px;
}

.about-text p {
  color: var(--nai-gray-200);
  line-height: 1.8;
  margin-bottom: 16px;
  font-size: 1.05rem;
}

.about-stats {
  display: grid;
  gap: 20px;
}

.stat-card {
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(91, 196, 160, 0.1);
  border-radius: 16px;
  padding: 28px 32px;
  display: flex;
  align-items: center;
  gap: 20px;
  transition: all 0.3s ease;
}

.stat-card:hover {
  border-color: rgba(91, 196, 160, 0.3);
  background: rgba(91, 196, 160, 0.05);
  transform: translateX(8px);
}

.stat-number {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 800;
  background: var(--nai-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  min-width: 60px;
}

.stat-label {
  font-size: 0.95rem;
  color: var(--nai-gray-200);
  font-weight: 500;
}

/* ========================================
   SOLUTIONS SECTION
   ======================================== */

.solutions {
  padding: 120px 0;
  background: var(--nai-deep);
  position: relative;
}

.solutions::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(46,125,104,0.08) 0%, transparent 70%);
  pointer-events: none;
}

.solutions-watermark {
  position: absolute;
  right: -15%;
  top: 50%;
  transform: translateY(-50%);
  height: 110%;
  max-height: 1000px;
  width: auto;
  pointer-events: none;
  z-index: 0;
  opacity: 0.1;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 60px;
  text-align: center;
}

.solutions-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.sol-card {
  background: rgba(255,255,255,0.02);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 20px;
  padding: 36px;
  transition: all 0.4s ease;
  position: relative;
  overflow: hidden;
}

.sol-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--nai-gradient);
  opacity: 0;
  transition: opacity 0.4s ease;
}

.sol-card:hover {
  border-color: rgba(0, 212, 255, 0.2);
  background: rgba(91, 196, 160, 0.03);
  transform: translateY(-4px);
}

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

.sol-icon {
  width: 48px;
  height: 48px;
  color: var(--nai-cyan);
  margin-bottom: 20px;
}

.sol-card h3 {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 6px;
}

.sol-tag {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--nai-cyan);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 14px;
}

.sol-card p:last-child {
  color: var(--nai-gray-200);
  line-height: 1.7;
  font-size: 0.95rem;
}

.sol-card-link {
  display: block;
  text-decoration: none;
  color: inherit;
  cursor: pointer;
}

.sol-card-link:hover {
  border-color: rgba(91, 196, 160, 0.4);
}

.sol-more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 16px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--nai-cyan);
  text-transform: uppercase;
  letter-spacing: 1px;
  transition: gap 0.3s ease;
}

.sol-card-link:hover .sol-more {
  gap: 12px;
}

/* Line breaks apenas no desktop */
@media (max-width: 640px) {
  .br-desktop { display: none; }
}

/* ========================================
   CAPABILITIES SECTION
   ======================================== */

.capabilities {
  padding: 120px 0;
  background: var(--nai-navy);
  position: relative;
}

.capabilities::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(46,125,104,0.06) 0%, transparent 70%);
  pointer-events: none;
}

.cap-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.cap-card {
  background: rgba(255,255,255,0.02);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 16px;
  padding: 28px;
  transition: all 0.4s ease;
  position: relative;
  overflow: hidden;
  opacity: 0;
  transform: translateY(30px);
}

.cap-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--nai-gradient);
  opacity: 0;
  transition: opacity 0.4s ease;
}

.cap-card:hover {
  border-color: rgba(91, 196, 160, 0.2);
  background: rgba(91, 196, 160, 0.03);
  transform: translateY(-4px) !important;
}

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

.cap-card.visible {
  opacity: 1;
  transform: translateY(0);
}

.cap-card:nth-child(2) { transition-delay: 0.05s; }
.cap-card:nth-child(3) { transition-delay: 0.1s; }
.cap-card:nth-child(4) { transition-delay: 0.15s; }
.cap-card:nth-child(5) { transition-delay: 0.2s; }
.cap-card:nth-child(6) { transition-delay: 0.25s; }
.cap-card:nth-child(7) { transition-delay: 0.3s; }
.cap-card:nth-child(8) { transition-delay: 0.35s; }
.cap-card:nth-child(9) { transition-delay: 0.4s; }
.cap-card:nth-child(10) { transition-delay: 0.45s; }
.cap-card:nth-child(11) { transition-delay: 0.5s; }
.cap-card:nth-child(12) { transition-delay: 0.55s; }

.cap-icon {
  width: 40px;
  height: 40px;
  color: var(--nai-cyan);
  margin-bottom: 16px;
}

.cap-card h3 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.cap-card p {
  color: var(--nai-gray-200);
  line-height: 1.6;
  font-size: 0.88rem;
}

@media (max-width: 968px) {
  .cap-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .cap-grid {
    grid-template-columns: 1fr;
  }
}

/* ========================================
   DATA PRIVACY SECTION
   ======================================== */

.data-privacy {
  padding: 120px 0;
  background: var(--nai-gradient-dark);
  position: relative;
}

/* Score + Stats top area */
.dp-top {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 48px;
  align-items: center;
  margin-bottom: 80px;
}

.dp-score-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
}

.dp-score-ring {
  position: relative;
  width: 200px;
  height: 200px;
}

.dp-score-ring svg {
  width: 100%;
  height: 100%;
}

.score-progress {
  transition: stroke-dashoffset 2s ease;
}

.dp-score-value {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
}

.dp-score-num {
  font-family: var(--font-display);
  font-size: 3.2rem;
  font-weight: 800;
  background: var(--nai-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
}

.dp-score-pct {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  background: var(--nai-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.dp-score-label {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--nai-gray-300);
  text-align: center;
}

.dp-score-legend {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.dp-legend-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  color: var(--nai-gray-300);
}

.dp-legend-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.dp-dot-green { background: var(--nai-cyan); }
.dp-dot-yellow { background: #f0a500; }
.dp-dot-red { background: #e74c3c; }

/* Stats grid */
.dp-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.dp-stat-card {
  background: rgba(255,255,255,0.02);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 16px;
  padding: 28px;
  transition: all 0.3s ease;
}

.dp-stat-card:hover {
  border-color: rgba(91, 196, 160, 0.2);
  background: rgba(91, 196, 160, 0.03);
}

.dp-stat-num {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 800;
  background: var(--nai-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 4px;
}

.dp-stat-text {
  color: var(--nai-gray-200);
  font-size: 0.88rem;
  line-height: 1.4;
}

/* Regulations title */
.dp-regs-title {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 40px;
  color: var(--nai-gray-100);
}

/* World Map */
.dp-map-wrap {
  position: relative;
  width: 100%;
  min-height: 580px;
}

.dp-map-bg {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  border-radius: 24px;
}

.dp-map-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  opacity: 0.22;
  filter: brightness(1.8) saturate(0.6);
}

@keyframes mapPulse {
  0%, 100% { transform: scale(1); opacity: 0.8; }
  50% { transform: scale(2.5); opacity: 0; }
}

/* Map Cards */
.map-card {
  position: absolute;
  background: rgba(10, 14, 26, 0.9);
  backdrop-filter: blur(16px);
  border: 1px solid rgba(91, 196, 160, 0.18);
  border-radius: 14px;
  padding: 16px 20px;
  min-width: 195px;
  max-width: 220px;
  transition: all 0.4s ease;
  z-index: 2;
  opacity: 0;
  transform: translateY(10px);
  animation: mapCardIn 0.6s ease forwards;
}

.map-card:nth-child(3) { animation-delay: 0.1s; }
.map-card:nth-child(4) { animation-delay: 0.2s; }
.map-card:nth-child(5) { animation-delay: 0.3s; }
.map-card:nth-child(6) { animation-delay: 0.4s; }
.map-card:nth-child(7) { animation-delay: 0.5s; }

@keyframes mapCardIn {
  to { opacity: 1; transform: translateY(0); }
}

.map-card:hover {
  border-color: rgba(91, 196, 160, 0.45);
  transform: translateY(-4px) !important;
  box-shadow: 0 8px 32px rgba(91, 196, 160, 0.12);
}

.map-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--nai-gradient);
  border-radius: 14px 14px 0 0;
}

/* Glow dot on each card */
.map-card::after {
  content: '';
  position: absolute;
  width: 10px;
  height: 10px;
  background: var(--nai-cyan);
  border-radius: 50%;
  box-shadow: 0 0 12px var(--nai-cyan), 0 0 28px rgba(91,196,160,0.4);
  animation: dotGlow 2s ease-in-out infinite;
}

@keyframes dotGlow {
  0%, 100% { box-shadow: 0 0 12px var(--nai-cyan), 0 0 28px rgba(91,196,160,0.4); }
  50% { box-shadow: 0 0 18px var(--nai-cyan), 0 0 40px rgba(91,196,160,0.6); }
}

/* Dots pointing to geographic locations */
.map-card-brazil::after { top: -16px; right: 30%; }
.map-card-usa::after { bottom: -16px; right: 20%; }
.map-card-europe::after { bottom: -16px; left: 30%; }
.map-card-latam::after { top: 30%; right: -16px; }
.map-card-iso::after { top: 40%; left: -16px; }

.map-card-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 10px;
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 700;
}

.map-flag {
  font-family: var(--font-display);
  font-size: 0.6rem;
  font-weight: 800;
  letter-spacing: 1px;
  padding: 3px 7px;
  border-radius: 4px;
  background: var(--nai-gradient);
  color: var(--nai-deep);
}

.map-card-regs {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-bottom: 10px;
}

.map-reg {
  font-size: 0.75rem;
  color: var(--nai-gray-200);
  line-height: 1.3;
}

.map-reg strong {
  color: var(--nai-white);
  font-weight: 600;
}

.map-reg em {
  color: var(--nai-cyan);
  font-style: normal;
  font-size: 0.68rem;
  font-weight: 600;
}

.map-card-bar {
  height: 5px;
  background: rgba(255,255,255,0.08);
  border-radius: 100px;
  overflow: hidden;
}

.map-bar-fill {
  height: 100%;
  background: var(--nai-gradient);
  border-radius: 100px;
  width: 0;
  transition: width 1.5s ease;
}

/* Card positions — aligned to map geography */
.map-card-usa { top: calc(4% + 50px); left: 6%; }
.map-card-latam { top: calc(34% + 110px); left: 120px; }
.map-card-brazil { top: calc(62% + 140px); left: calc(16% + 80px); }
.map-card-europe { top: calc(2% + 80px); left: 42%; }
.map-card-iso { top: calc(22% + 150px); right: calc(2% + 150px); }

@media (max-width: 968px) {
  .dp-top {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .dp-score-wrap {
    align-items: center;
  }
  .dp-map-wrap {
    min-height: auto;
    position: static;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
  }
  .dp-map-bg {
    display: none;
  }
  .map-card {
    position: static;
    max-width: 100%;
    min-width: auto;
    opacity: 1;
    transform: none;
    animation: none;
  }
  .map-card::after { display: none; }
  .map-card-iso {
    grid-column: 1 / -1;
  }
}

@media (max-width: 640px) {
  .dp-stats {
    grid-template-columns: 1fr;
  }
  .dp-map-wrap {
    grid-template-columns: 1fr;
  }
}

/* ========================================
   NUMBERS SECTION
   ======================================== */

.numbers {
  padding: 60px 0;
  background: var(--nai-navy);
  border-top: 1px solid rgba(91, 196, 160, 0.1);
  border-bottom: 1px solid rgba(91, 196, 160, 0.1);
}

.numbers-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  text-align: center;
}

.number-item {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.number-value {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 800;
  background: var(--nai-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.number-desc {
  font-size: 0.9rem;
  color: var(--nai-gray-300);
  font-weight: 500;
}

/* ========================================
   WHY VISIT SECTION
   ======================================== */

.why-visit {
  padding: 120px 0;
  background: var(--nai-gradient-dark);
}

.why-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.why-card {
  background: rgba(255,255,255,0.02);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 20px;
  padding: 40px;
  transition: all 0.4s ease;
  position: relative;
}

.why-card:hover {
  border-color: rgba(0, 212, 255, 0.2);
  background: rgba(91, 196, 160, 0.03);
  transform: translateY(-4px);
}

.why-number {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 800;
  background: var(--nai-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  opacity: 0.4;
  margin-bottom: 12px;
}

.why-card h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.why-card p {
  color: var(--nai-gray-200);
  line-height: 1.7;
  font-size: 0.95rem;
}

/* ========================================
   DIFFERENTIALS SECTION
   ======================================== */

.differentials {
  padding: 120px 0;
  background: var(--nai-deep);
  position: relative;
}

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

.diff-text h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 20px;
}

.diff-text p {
  color: var(--nai-gray-200);
  line-height: 1.8;
  font-size: 1.05rem;
}

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

.diff-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 20px 24px;
  background: rgba(255,255,255,0.02);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 14px;
  transition: all 0.3s ease;
}

.diff-item:hover {
  border-color: rgba(0, 212, 255, 0.2);
  background: rgba(91, 196, 160, 0.03);
  transform: translateX(6px);
}

.diff-icon {
  width: 32px;
  height: 32px;
  min-width: 32px;
  color: var(--nai-cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(91, 196, 160, 0.1);
  border-radius: 8px;
  padding: 4px;
  margin-top: 2px;
}

.diff-item h4 {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 4px;
}

.diff-item p {
  color: var(--nai-gray-300);
  font-size: 0.9rem;
  line-height: 1.5;
}

/* ========================================
   IMPACT SECTION
   ======================================== */

.impact {
  padding: 160px 0;
  background: var(--nai-navy);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.impact::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, rgba(46,125,104,0.12) 0%, transparent 70%);
}

.impact-video-wrap {
  position: absolute;
  inset: 0;
  z-index: 1;
}

.impact-video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.3;
}

.impact-overlay {
  position: absolute;
  inset: 0;
  background: rgba(10, 14, 26, 0.75);
}

.impact-quote {
  position: relative;
  z-index: 2;
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 3.2rem);
  font-weight: 700;
  line-height: 1.4;
  border: none;
  max-width: 800px;
  margin: 0 auto;
}

/* ========================================
   CTA SECTION
   ======================================== */

.cta {
  padding: 120px 0;
  background: var(--nai-deep);
  position: relative;
  overflow: hidden;
}


.cta::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--nai-gradient);
  opacity: 0.3;
}

.cta-content {
  text-align: center;
  max-width: 700px;
  margin: 0 auto;
}

.cta-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3.5rem);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 20px;
}

.cta-text {
  font-size: 1.1rem;
  color: var(--nai-gray-200);
  line-height: 1.7;
  margin-bottom: 36px;
}

.cta-event-info {
  display: flex;
  justify-content: center;
  gap: 40px;
  margin-bottom: 44px;
  flex-wrap: wrap;
}

.info-item {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--nai-gray-200);
  font-size: 0.95rem;
}

.info-item svg {
  color: var(--nai-cyan);
  flex-shrink: 0;
}

/* ========================================
   FOOTER
   ======================================== */

.footer {
  padding: 40px 0;
  background: var(--nai-deep);
  border-top: 1px solid rgba(255,255,255,0.05);
}

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

.footer-content p {
  color: var(--nai-gray-300);
  font-size: 0.85rem;
}

/* ========================================
   ANIMATIONS
   ======================================== */

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-20px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes scrollPulse {
  0%, 100% { opacity: 0.3; transform: scaleY(0.6); }
  50% { opacity: 1; transform: scaleY(1); }
}

/* Scroll reveal */
.sol-card,
.stat-card,
.why-card,
.diff-item,
.number-item {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.sol-card.visible,
.stat-card.visible,
.why-card.visible,
.diff-item.visible,
.number-item.visible {
  opacity: 1;
  transform: translateY(0);
}

.sol-card:nth-child(2) { transition-delay: 0.1s; }
.sol-card:nth-child(3) { transition-delay: 0.2s; }
.sol-card:nth-child(4) { transition-delay: 0.3s; }
.sol-card:nth-child(5) { transition-delay: 0.4s; }
.sol-card:nth-child(6) { transition-delay: 0.5s; }

.stat-card:nth-child(2) { transition-delay: 0.1s; }
.stat-card:nth-child(3) { transition-delay: 0.2s; }

/* ========================================
   RESPONSIVE
   ======================================== */

@media (max-width: 968px) {
  .about-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .solutions-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .about-stats {
    grid-template-columns: repeat(3, 1fr);
  }

  .numbers-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }

  .why-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .diff-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }
}

@media (max-width: 640px) {
  .solutions-grid {
    grid-template-columns: 1fr;
  }

  .about-stats {
    grid-template-columns: 1fr;
  }

  .numbers-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .hero-actions {
    flex-direction: column;
    align-items: center;
  }

  .cta-event-info {
    flex-direction: column;
    align-items: center;
    gap: 16px;
  }

  .footer-content {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }

  .nav-cta {
    display: none;
  }
}