/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 80px; /* Offset for header */
  padding-bottom: 6rem; /* Prevent overlap with marquee */
  position: relative;
  overflow: hidden;
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
}

/* Hero Background Effects */
.hero-bg-glow {
  position: absolute;
  top: 50%; left: 50%;
  width: 1000px; height: 1000px;
  background: radial-gradient(circle, rgba(110, 231, 183, 0.15) 0%, transparent 60%);
  transform: translate(-50%, -50%);
  animation: pulse-glow 8s ease-in-out infinite alternate;
  z-index: 0;
  pointer-events: none;
}

@keyframes pulse-glow {
  0% { transform: translate(-50%, -50%) scale(0.8); opacity: 0.5; }
  100% { transform: translate(-50%, -50%) scale(1.2); opacity: 1; }
}

.hero-grid-pattern {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background-image: linear-gradient(rgba(255,255,255,0.015) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,0.015) 1px, transparent 1px);
  background-size: 40px 40px;
  z-index: 0;
  pointer-events: none;
}

.hero-grid-pattern.interactive {
  background-image: linear-gradient(rgba(110, 231, 183, 0.2) 1px, transparent 1px), linear-gradient(90deg, rgba(110, 231, 183, 0.2) 1px, transparent 1px);
  mask-image: radial-gradient(circle 350px at var(--mouse-x, -500px) var(--mouse-y, -500px), black 0%, transparent 100%);
  -webkit-mask-image: radial-gradient(circle 350px at var(--mouse-x, -500px) var(--mouse-y, -500px), black 0%, transparent 100%);
  opacity: 0;
  transition: opacity 0.5s ease;
}

.hero:hover .hero-grid-pattern.interactive {
  opacity: 1;
}

/* Hero Marquee */
.hero-marquee {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100vw;
  max-width: 100%;
  overflow-x: hidden;
  background: rgba(8, 11, 19, 0.8);
  border-top: 1px solid rgba(110, 231, 183, 0.1);
  padding: 1.5rem 0;
  z-index: 1;
  backdrop-filter: blur(10px);
  box-sizing: border-box;
}

.marquee-content {
  display: flex;
  gap: 4rem;
  white-space: nowrap;
  animation: scroll-left 30s linear infinite;
  font-family: monospace;
  font-size: 1.1rem;
  color: var(--color-primary);
  letter-spacing: 0.15em;
  width: fit-content;
  will-change: transform;
}

@keyframes scroll-left {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  text-align: center;
  gap: 2rem;
  align-items: center;
  max-width: 900px;
  margin: 0 auto;
}

.hero-content {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.hero-actions {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  margin-top: 2.5rem;
}

/* Stats Section */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  background-color: var(--color-card);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-large);
  padding: 3rem;
  margin-top: 4rem; /* Changed from negative margin to clear the marquee */
  position: relative;
  z-index: 10;
  box-shadow: 0 25px 50px rgba(0,0,0,0.25);
}

.stat-item {
  text-align: center;
}

.stat-value {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 0.5rem;
  background: linear-gradient(to right, #FFFFFF, var(--color-primary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.stat-value svg {
  color: var(--color-primary);
  width: 28px;
  height: 28px;
}

.stat-label {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  font-weight: 500;
}

/* Platform Capabilities (Palantir + McCann Hybrid) */
.platform-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: rgba(255, 255, 255, 0.1); /* Stark grid lines */
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.platform-card {
  background: var(--color-surface); /* Even darker than background for contrast */
  padding: 3rem 2rem;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: all 0.2s ease;
  overflow: hidden;
}

.platform-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; width: 100%; height: 100%;
  background: var(--color-primary);
  transform: translateY(100%);
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 0;
}

.platform-card:hover::before {
  transform: translateY(0);
}

.platform-card > * {
  position: relative;
  z-index: 1;
  transition: color 0.2s ease;
}

.platform-card:hover h3, 
.platform-card:hover p,
.platform-card:hover .platform-number {
  color: #000;
}

.platform-card:hover .platform-icon svg {
  color: #000;
  opacity: 1;
}

.platform-number {
  font-family: monospace;
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  color: var(--color-primary);
  margin-bottom: 2rem;
  display: block;
}

.platform-card h3 {
  font-size: 1.75rem;
  letter-spacing: -0.04em;
  font-weight: 700;
  margin-bottom: 1rem;
}

.platform-card p {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  line-height: 1.6;
  flex-grow: 1;
}

.platform-icon {
  margin-top: auto;
  padding-top: 2rem;
}

.platform-icon svg {
  width: 32px;
  height: 32px;
  color: var(--color-text);
  opacity: 0.4;
}

.platform-col-2 { grid-column: span 2; }
.platform-col-3 { grid-column: span 3; }
.platform-col-4 { grid-column: span 4; }

/* Tech Contact Layout */
.tech-contact-layout {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 1px;
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.tech-input {
  width: 100%;
  background: transparent;
  border: none;
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
  padding: 0.75rem 0;
  color: #fff;
  font-size: 1rem;
  border-radius: 0;
  outline: none;
  transition: border-color 0.3s;
}

.tech-input:focus {
  border-color: var(--color-primary);
}

/* About / Pillars */
.pillars-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
}

.pillars-list {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.pillar-item {
  display: flex;
  gap: 1.5rem;
  background-color: var(--color-surface);
  padding: 2rem;
  border-radius: var(--radius-medium);
  border: 1px solid var(--color-border);
  transition: transform var(--transition-normal);
}

.pillar-item:hover {
  transform: translateX(10px);
  border-color: rgba(255,255,255,0.2);
}

.pillar-icon {
  flex-shrink: 0;
  width: 56px;
  height: 56px;
  background-color: var(--color-card);
  border: 1px solid rgba(255,255,255,0.05);
  border-radius: var(--radius-small);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
}

.pillar-content h4 {
  margin-bottom: 0.5rem;
  font-size: 1.25rem;
}

.pillar-content p {
  font-size: 0.95rem;
  margin-bottom: 0;
}

/* Projects Gallery */
.projects-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 4rem;
}

.projects-filters {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.filter-btn {
  padding: 0.5rem 1.25rem;
  border-radius: var(--radius-pill);
  font-size: 0.875rem;
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
  background: rgba(255,255,255,0.02);
  transition: all var(--transition-fast);
}

.filter-btn:hover, .filter-btn.active {
  background-color: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.3);
  color: var(--color-text);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.5rem;
}

.project-card {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-medium);
  overflow: hidden;
  background-color: var(--color-card);
  backdrop-filter: blur(12px);
  transition: all var(--transition-normal);
}

.project-card:hover {
  transform: translateY(-8px);
  border-color: var(--color-border-hover);
  box-shadow: 0 20px 40px rgba(0,0,0,0.3);
}

.project-image {
  width: 100%;
  aspect-ratio: 16/10;
  background-color: rgba(0,0,0,0.3);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Mockup placeholder */
.project-image::before {
  content: '';
  position: absolute;
  top: 15%; left: 10%; right: 10%; bottom: -10%;
  background: linear-gradient(180deg, #1A2235, #0B0F19);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 12px 12px 0 0;
  box-shadow: 0 -10px 40px rgba(0,0,0,0.5);
}

.project-content {
  padding: 2rem;
}

.project-content h3 {
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
}

.project-meta {
  font-size: 0.85rem;
  color: var(--color-primary);
  margin-bottom: 1rem;
  font-weight: 500;
}

/* Animations */
.fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 1s cubic-bezier(0.4, 0, 0.2, 1), transform 1s cubic-bezier(0.4, 0, 0.2, 1);
}

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

/* Tech Modal (Vidrio Ácido / Glassmorphism) */
.tech-modal-overlay {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(2, 3, 5, 0.5);
  backdrop-filter: blur(25px);
  -webkit-backdrop-filter: blur(25px);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s ease;
}

.tech-modal-overlay.active {
  opacity: 1;
  pointer-events: all;
}

.tech-modal-content {
  background: rgba(8, 11, 19, 0.85);
  border: 1px solid rgba(110, 231, 183, 0.3);
  width: 95%;
  max-width: 1100px;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  transform: translateY(30px) scale(0.98);
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 0 80px rgba(110, 231, 183, 0.05);
}

.tech-modal-overlay.active .tech-modal-content {
  transform: translateY(0) scale(1);
}

.tech-modal-close {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  background: transparent;
  color: var(--color-primary);
  border: 1px solid rgba(110, 231, 183, 0.3);
  padding: 0.5rem 1rem;
  font-family: monospace;
  font-size: 0.9rem;
  cursor: pointer;
  z-index: 10;
  transition: all 0.2s;
}
.tech-modal-close:hover {
  background: var(--color-primary);
  color: #000;
}

.tech-modal-body {
  display: grid;
  grid-template-columns: 1fr;
}

@media (min-width: 900px) {
  .tech-modal-body {
    grid-template-columns: 1.2fr 1fr;
  }
}

.tech-modal-image {
  background: var(--color-background);
  min-height: 400px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  border-right: 1px solid rgba(255,255,255,0.05);
}

.tech-modal-text {
  padding: 4rem 3rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.tech-card {
  cursor: pointer;
}
.tech-card .project-image {
  transition: border-color 0.3s;
}
.tech-card:hover .project-image {
  border-color: var(--color-primary) !important;
}