@import url('https://fonts.googleapis.com/css2?family=Archivo:wght@300;400;500;600;700;800&family=Space+Grotesk:wght@300;400;500;600;700&display=swap');

/* ==========================================
   DESIGN TOKENS & VARIABLE DECLARATIONS
   ========================================== */
:root {
  /* Color Palette (Cyan + Orange Complementary Theme, NO PURPLE) */
  --color-bg-deep: #030611;
  --color-bg-deep-rgb: 3, 6, 17;
  --color-bg-surface: rgba(255, 255, 255, 0.03);
  --color-bg-surface-hover: rgba(255, 255, 255, 0.06);
  
  --color-primary-cyan: #00D2FF;
  --color-primary-cyan-rgb: 0, 210, 255;
  --color-accent-orange: #F9A01B;
  --color-accent-orange-rgb: 249, 160, 27;
  --color-accent-darkorange: #EA580C;
  --color-accent-darkorange-rgb: 234, 88, 12;
  
  --color-text-white: #FFFFFF;
  --color-text-slate: #94A3B8;
  --color-text-muted: #64748B;
  
  --color-border-glass: rgba(255, 255, 255, 0.08);
  --color-border-glass-hover: rgba(255, 255, 255, 0.15);
  --color-border-cyan-glow: rgba(0, 210, 255, 0.25);
  
  /* Fonts */
  --font-heading: 'Archivo', sans-serif;
  --font-body: 'Space Grotesk', sans-serif;
  
  /* Glassmorphism & Shadow Properties */
  --glass-blur: 16px;
  --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
  --cyan-shadow-glow: 0 0 25px rgba(0, 210, 255, 0.3);
  --orange-shadow-glow: 0 0 25px rgba(249, 160, 27, 0.4);
  
  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-medium: 300ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* ==========================================
   BASE & RESET STYLES
   ========================================== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  background-color: var(--color-bg-deep);
  color: var(--color-text-slate);
  overflow-x: hidden;
}

body {
  font-family: var(--font-body);
  line-height: 1.6;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

/* Scrollbar Customization */
::-webkit-scrollbar {
  width: 10px;
}
::-webkit-scrollbar-track {
  background: var(--color-bg-deep);
}
::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.1);
  border-radius: 5px;
  border: 2px solid var(--color-bg-deep);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--color-primary-cyan);
}

/* ==========================================
   TYPOGRAPHY
   ========================================== */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--color-text-white);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

h1 {
  font-size: clamp(2.5rem, 5vw + 1rem, 4.5rem);
}

h2 {
  font-size: clamp(2rem, 3.5vw + 0.8rem, 3rem);
  margin-bottom: 1.5rem;
}

h3 {
  font-size: clamp(1.25rem, 2vw + 0.5rem, 1.75rem);
}

p {
  font-size: 1.1rem;
  font-weight: 400;
  color: var(--color-text-slate);
}

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition-fast);
}

/* Utility Classes */
.text-gradient-cyan-orange {
  background: linear-gradient(135deg, var(--color-primary-cyan) 0%, var(--color-accent-orange) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.text-gradient-orange {
  background: linear-gradient(135deg, var(--color-accent-orange) 0%, var(--color-accent-darkorange) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ==========================================
   GLASSMORPHISM PRIMITIVES
   ========================================== */
.glass-panel {
  background: var(--color-bg-surface);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--color-border-glass);
  border-radius: 16px;
  box-shadow: var(--glass-shadow);
  transition: border-color var(--transition-medium), background var(--transition-medium), transform var(--transition-medium), box-shadow var(--transition-medium);
}

.glass-panel:hover {
  border-color: var(--color-border-glass-hover);
  background: var(--color-bg-surface-hover);
}

/* Ambient glow containers behind panels */
.glow-spot {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  z-index: -1;
  pointer-events: none;
  opacity: 0.15;
  transition: opacity var(--transition-slow);
}

.glow-cyan {
  background: var(--color-primary-cyan);
}

.glow-orange {
  background: var(--color-accent-orange);
}

/* ==========================================
   BUTTONS & CALL TO ACTIONS
   ========================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 2rem;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  border-radius: 50px;
  cursor: pointer;
  transition: var(--transition-medium);
  gap: 0.75rem;
  position: relative;
  overflow: hidden;
  z-index: 1;
}

/* Glass/Outline Button */
.btn-glass {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--color-border-glass);
  color: var(--color-text-white);
  backdrop-filter: blur(8px);
}

.btn-glass:hover {
  background: rgba(0, 210, 255, 0.1);
  border-color: var(--color-primary-cyan);
  box-shadow: var(--cyan-shadow-glow);
  transform: translateY(-2px);
}

/* Primary Accent/Orange Button */
.btn-accent {
  background: linear-gradient(135deg, var(--color-accent-orange) 0%, var(--color-accent-darkorange) 100%);
  border: none;
  color: var(--color-text-white);
  box-shadow: 0 4px 20px rgba(249, 160, 27, 0.3);
}

.btn-accent:hover {
  transform: translateY(-3px);
  box-shadow: var(--orange-shadow-glow);
}

.btn-accent::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, var(--color-primary-cyan) 0%, var(--color-accent-orange) 100%);
  opacity: 0;
  z-index: -1;
  transition: opacity var(--transition-medium);
}

.btn-accent:hover::before {
  opacity: 1;
}

/* SVG Icon details inside buttons */
.btn svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
  transition: transform var(--transition-fast);
}

.btn:hover svg {
  transform: translateX(4px);
}

/* ==========================================
   HEADER / NAVBAR
   ========================================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 80px;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 5%;
  background: rgba(3, 6, 17, 0.7);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border-glass);
  transition: height var(--transition-medium), background var(--transition-medium);
}

.site-header.scrolled {
  height: 70px;
  background: rgba(3, 6, 17, 0.85);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.logo-container {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.logo-img {
  height: 48px;
  width: auto;
  object-fit: contain;
}

.logo-text {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.3rem;
  color: var(--color-text-white);
  letter-spacing: -0.03em;
}

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

.nav-link {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-text-slate);
  position: relative;
  padding: 0.5rem 0;
}

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

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-primary-cyan);
  transition: width var(--transition-medium);
}

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

.mobile-nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--color-text-white);
  cursor: pointer;
  font-size: 1.5rem;
}

/* ==========================================
   HERO SECTION WITH VIDEO BACKGROUND
   ========================================== */
.hero-section {
  position: relative;
  height: 100dvh;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  overflow: hidden;
  text-align: left;
  padding: 0;
  background-color: var(--color-bg-deep);
}

.hero-video-bg {
  position: absolute;
  top: 0;
  right: 0;
  width: 75%;
  height: 100%;
  object-fit: cover;
  z-index: 1;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  /* Vertical linear gradient for text readability and cinematic lighting */
  background: linear-gradient(180deg, 
                rgba(3, 6, 17, 0.95) 0%, 
                rgba(3, 6, 17, 0.45) 45%, 
                rgba(3, 6, 17, 0.65) 75%, 
                rgba(3, 6, 17, 0.95) 100%);
  z-index: 2;
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 3;
  width: 100%;
  max-width: 48%; /* Spans the left 25% and overlaps onto the video (which starts at 25%) */
  margin-top: 80px;
  padding-left: 8%;
  opacity: 0;
  transform: translateY(30px);
  animation: heroEntrance var(--transition-slow) forwards 0.2s;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

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

.hero-badge {
  display: inline-flex;
  align-items: center;
  padding: 0.5rem 1.25rem;
  border-radius: 999px;
  background: rgba(0, 210, 255, 0.08);
  border: 1px solid rgba(0, 210, 255, 0.2);
  color: var(--color-primary-cyan);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 2rem;
  backdrop-filter: blur(10px);
}

.hero-title {
  font-size: clamp(2.2rem, 4vw + 1rem, 3.8rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 1.5rem;
}

.hero-subtitle {
  font-size: clamp(1.05rem, 1.2vw + 0.85rem, 1.3rem);
  color: var(--color-text-slate);
  max-width: 100%;
  margin-bottom: 2rem;
  text-align: left;
}

/* Quick benefits grid under hero CTA */
.hero-features {
  display: flex;
  justify-content: flex-start;
  gap: 2rem;
  margin-top: 2rem;
  flex-wrap: wrap;
}

.hero-feature-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--color-text-slate);
  font-size: 0.95rem;
  font-weight: 500;
}

.hero-feature-item svg {
  width: 20px;
  height: 20px;
  color: var(--color-primary-cyan);
}

/* ==========================================
   SECTIONS GENERAL
   ========================================== */
.section {
  position: relative;
  padding: 5rem 5%;
  z-index: 5;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
}

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 3rem;
}

.section-tag {
  color: var(--color-primary-cyan);
  text-transform: uppercase;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  margin-bottom: 1rem;
  display: block;
}

.section-desc {
  font-size: 1.2rem;
  color: var(--color-text-slate);
}

/* Scroll Animation classes */
.reveal {
  opacity: 0;
  transform: translateY(50px);
  transition: opacity 800ms cubic-bezier(0.16, 1, 0.3, 1), transform 800ms cubic-bezier(0.16, 1, 0.3, 1);
}

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

/* ==========================================
   PHILOSOPHY SECTION ("O GATO MINGAU")
   ========================================== */
.about-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 4rem;
  align-items: center;
}

.about-text-content h3 {
  font-size: 2rem;
  margin-bottom: 1.5rem;
  line-height: 1.2;
}

.about-text-content p {
  margin-bottom: 1.5rem;
  font-size: 1.15rem;
  color: var(--color-text-slate);
}

.about-media-wrapper {
  position: relative;
  display: flex;
  justify-content: center;
}

.about-card {
  width: 100%;
  max-width: 420px;
  padding: 1.25rem;
  position: relative;
  overflow: hidden;
}

.about-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border-radius: 16px;
  box-shadow: inset 0 0 20px rgba(249, 160, 27, 0.15);
  pointer-events: none;
}

.about-img-container {
  width: 100%;
  border-radius: 12px;
  overflow: hidden;
  position: relative;
  aspect-ratio: 9/16;
}

.about-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.about-card:hover .about-img {
  transform: scale(1.05);
}

.about-caption {
  margin-top: 1.25rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.about-caption-name {
  font-weight: 700;
  color: var(--color-text-white);
  font-size: 1.1rem;
}

.about-caption-role {
  font-size: 0.9rem;
  color: var(--color-accent-orange);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}


/* ==========================================
   PORTFOLIO SECTION
   ========================================== */
.portfolio-filters {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 3.5rem;
  flex-wrap: wrap;
}

.filter-btn {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--color-border-glass);
  color: var(--color-text-slate);
  padding: 0.6rem 1.5rem;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 0.95rem;
  border-radius: 50px;
  cursor: pointer;
  transition: var(--transition-medium);
  backdrop-filter: blur(5px);
}

.filter-btn:hover, .filter-btn.active {
  background: rgba(0, 210, 255, 0.08);
  border-color: var(--color-primary-cyan);
  color: var(--color-text-white);
  box-shadow: 0 0 15px rgba(0, 210, 255, 0.15);
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: 2.5rem;
}

.portfolio-item {
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
  height: 100%;
}

.portfolio-media {
  width: 100%;
  aspect-ratio: 16/11;
  overflow: hidden;
  border-radius: 12px 12px 0 0;
  border-bottom: 1px solid var(--color-border-glass);
  position: relative;
}

.portfolio-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.portfolio-item:hover .portfolio-media img {
  transform: scale(1.06);
}

.portfolio-overlay-glow {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at 50% 50%, rgba(0, 210, 255, 0.15) 0%, transparent 70%);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-medium);
  z-index: 2;
}

.portfolio-item:hover .portfolio-overlay-glow {
  opacity: 1;
}

.portfolio-info {
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.portfolio-category {
  font-size: 0.8rem;
  text-transform: uppercase;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--color-primary-cyan);
  margin-bottom: 0.5rem;
}

.portfolio-title {
  font-size: 1.4rem;
  margin-bottom: 0.75rem;
  transition: color var(--transition-fast);
}

.portfolio-item:hover .portfolio-title {
  color: var(--color-primary-cyan);
}

.portfolio-desc {
  font-size: 0.95rem;
  color: var(--color-text-slate);
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

.portfolio-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--color-text-white);
  align-self: flex-start;
}

.portfolio-link svg {
  width: 16px;
  height: 16px;
  transition: transform var(--transition-fast);
  fill: currentColor;
}

.portfolio-item:hover .portfolio-link svg {
  transform: translateX(4px);
}

/* ==========================================
   METHODOLOGY / PROCESS SECTION
   ========================================== */
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  position: relative;
}

.process-grid::before {
  content: '';
  position: absolute;
  top: 130px;
  left: 5%;
  right: 5%;
  height: 2px;
  background: linear-gradient(90deg, rgba(0, 210, 255, 0.05) 0%, rgba(0, 210, 255, 0.4) 30%, rgba(249, 160, 27, 0.4) 70%, rgba(249, 160, 27, 0.05) 100%);
  z-index: 1;
}

.process-card {
  padding: 2.25rem 1.75rem;
  position: relative;
  z-index: 2;
  height: 100%;
}

.process-card:hover {
  transform: translateY(-5px);
  border-color: var(--color-border-cyan-glow);
}

.process-step-num {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--color-bg-deep);
  border: 2px solid var(--color-border-glass);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.5rem;
  color: var(--color-text-white);
  margin-bottom: 2rem;
  position: relative;
  transition: var(--transition-medium);
}

.process-card:hover .process-step-num {
  border-color: var(--color-primary-cyan);
  color: var(--color-primary-cyan);
  box-shadow: 0 0 15px rgba(0, 210, 255, 0.3);
}

.process-card-title {
  font-size: 1.25rem;
  margin-bottom: 1rem;
}

.process-card-desc {
  font-size: 0.95rem;
  color: var(--color-text-slate);
}

/* ==========================================
   CONVERSION / FINAL CTA SECTION
   ========================================== */
.cta-section {
  position: relative;
  padding: 10rem 5%;
  overflow: hidden;
  text-align: center;
}

.cta-box {
  max-width: 1000px;
  margin: 0 auto;
  padding: 5rem 2rem;
  position: relative;
  overflow: hidden;
}

.cta-box::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 16px;
  background: linear-gradient(135deg, rgba(0, 210, 255, 0.05) 0%, rgba(249, 160, 27, 0.05) 100%);
  pointer-events: none;
}

.cta-title {
  font-size: clamp(2rem, 3.5vw + 0.8rem, 3.2rem);
  margin-bottom: 1.5rem;
}

.cta-subtitle {
  font-size: 1.25rem;
  max-width: 600px;
  margin: 0 auto 3rem;
  color: var(--color-text-slate);
}

.whatsapp-num {
  display: block;
  margin-top: 1.5rem;
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--color-primary-cyan);
}

/* ==========================================
   FOOTER
   ========================================== */
.site-footer {
  background: rgba(3, 6, 17, 0.9);
  border-top: 1px solid var(--color-border-glass);
  padding: 5rem 5% 2.5rem;
  z-index: 5;
  position: relative;
}

.footer-grid {
  max-width: 1200px;
  margin: 0 auto 4rem;
  display: grid;
  grid-template-columns: 1.5fr repeat(3, 1fr);
  gap: 4rem;
}

.footer-brand p {
  margin-top: 1.5rem;
  font-size: 0.95rem;
  max-width: 250px;
}

.footer-title {
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 1.75rem;
  font-weight: 600;
  color: var(--color-text-white);
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.footer-link {
  font-size: 0.95rem;
  color: var(--color-text-slate);
}

.footer-link:hover {
  color: var(--color-primary-cyan);
  transform: translateX(3px);
}

.footer-bottom {
  max-width: 1200px;
  margin: 0 auto;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.5rem;
  font-size: 0.9rem;
}

/* ==========================================
   3D COVERFLOW CAROUSEL (METHODOLOGY)
   ========================================== */
.carousel-container {
  position: relative;
  width: 100%;
  max-width: 900px;
  margin: 0 auto;
  padding: 3rem 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  perspective: 1200px; /* Enable 3D rendering perspective */
  overflow: hidden;
}

.carousel-track {
  position: relative;
  width: 100%;
  height: 420px; /* Height of the cards */
  display: flex;
  justify-content: center;
  align-items: center;
  transform-style: preserve-3d;
}

.carousel-card {
  position: absolute;
  width: 320px;
  height: 380px;
  padding: 3rem 2rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  transition: transform var(--transition-slow), opacity var(--transition-slow), z-index var(--transition-slow), box-shadow var(--transition-slow);
  cursor: pointer;
  backface-visibility: hidden;
  user-select: none;
}

/* Base styles for steps in carousel */
.carousel-card .process-step-num {
  width: 70px;
  height: 70px;
  border-radius: 50%;
  background: var(--color-bg-deep);
  border: 2px solid var(--color-border-glass);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.5rem;
  color: var(--color-text-white);
  margin-bottom: 2rem;
  transition: var(--transition-medium);
}

.carousel-card.active .process-step-num {
  border-color: var(--color-accent-orange);
  color: var(--color-accent-orange);
  box-shadow: var(--orange-shadow-glow);
}

.carousel-card-title {
  font-size: 1.4rem;
  margin-bottom: 1.25rem;
  font-weight: 700;
  color: var(--color-text-white);
}

.carousel-card-desc {
  font-size: 1rem;
  color: var(--color-text-slate);
  line-height: 1.6;
}

/* Center active card (Larger, prominent shadow, 3D position) */
.carousel-card.active {
  transform: translate3d(0, 0, 80px) scale(1.05);
  opacity: 1;
  z-index: 10;
  border-color: var(--color-border-cyan-glow);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5), 0 0 30px rgba(0, 210, 255, 0.15);
}

/* Left card (Scaled down, shifted left, rotated slightly) */
.carousel-card.prev {
  transform: translate3d(-240px, 0, -50px) scale(0.85) rotateY(15deg);
  opacity: 0.5;
  z-index: 5;
  pointer-events: auto; /* allow clicking to jump to slide */
}

/* Right card (Scaled down, shifted right, rotated slightly) */
.carousel-card.next {
  transform: translate3d(240px, 0, -50px) scale(0.85) rotateY(-15deg);
  opacity: 0.5;
  z-index: 5;
  pointer-events: auto; /* allow clicking to jump to slide */
}

/* Out of bounds cards (Hidden) */
.carousel-card.hidden {
  transform: translate3d(0, 0, -200px) scale(0.5);
  opacity: 0;
  z-index: 1;
  pointer-events: none;
}

/* Nav Controls (Circles below cards like in carrossel.jpeg) */
.carousel-nav {
  display: flex;
  gap: 1.5rem;
  margin-top: 2rem;
  z-index: 10;
}

.carousel-nav-btn {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: transparent;
  border: 1.5px solid var(--color-text-slate);
  color: var(--color-text-slate);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition-medium);
}

.carousel-nav-btn:hover {
  background: rgba(0, 210, 255, 0.08);
  border-color: var(--color-primary-cyan);
  color: var(--color-primary-cyan);
  box-shadow: var(--cyan-shadow-glow);
  transform: scale(1.05);
}

.carousel-nav-btn svg {
  width: 20px;
  height: 20px;
}

/* ==========================================
   STACKED DECK PORTFOLIO CAROUSEL
   ========================================== */
.portfolio-carousel-container {
  position: relative;
  width: 100%;
  max-width: 1000px;
  margin: 0 auto;
  padding: 3rem 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  perspective: 1200px;
  overflow: hidden;
}

.portfolio-carousel-track {
  position: relative;
  width: 100%;
  height: 540px; /* height to contain cards nicely */
  display: flex;
  justify-content: center;
  align-items: center;
  transform-style: preserve-3d;
}

.portfolio-card {
  position: absolute;
  width: 380px;
  background: var(--color-bg-surface);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--color-border-glass);
  border-radius: 16px;
  box-shadow: var(--glass-shadow);
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-slow), opacity var(--transition-slow), z-index var(--transition-slow), border-color var(--transition-medium);
  cursor: pointer;
  overflow: hidden;
  user-select: none;
}

/* Portfolio Card Position: Active (Front card, shifted right, tilted slightly) */
.portfolio-card.pos-active {
  transform: translate3d(120px, 0, 80px) scale(1) rotateY(-10deg);
  opacity: 1;
  z-index: 10;
  border-color: var(--color-border-cyan-glow);
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.6), 0 0 30px rgba(0, 210, 255, 0.1);
  pointer-events: auto;
}

/* Portfolio Card Position: Prev 1 (Middle card, behind, shifted slightly left) */
.portfolio-card.pos-prev-1 {
  transform: translate3d(-60px, 0, 0px) scale(0.92) rotateY(-10deg);
  opacity: 0.75;
  z-index: 8;
  pointer-events: auto;
}

/* Portfolio Card Position: Prev 2 (Backmost card, shifted more left) */
.portfolio-card.pos-prev-2 {
  transform: translate3d(-240px, 0, -80px) scale(0.84) rotateY(-10deg);
  opacity: 0.45;
  z-index: 6;
  pointer-events: auto;
}

/* Single visible card style (centered) */
.portfolio-card.pos-single {
  transform: translate3d(0, 0, 0) scale(1.02);
  opacity: 1;
  z-index: 10;
  pointer-events: auto;
  border-color: var(--color-border-cyan-glow);
}

/* Hidden cards */
.portfolio-card.pos-hidden {
  transform: translate3d(-400px, 0, -160px) scale(0.7);
  opacity: 0;
  z-index: 1;
  pointer-events: none;
}

/* Portfolio Nav Controls */
.portfolio-carousel-nav {
  display: flex;
  gap: 1.5rem;
  margin-top: 2rem;
  z-index: 10;
}

.portfolio-nav-btn {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: transparent;
  border: 1.5px solid var(--color-text-slate);
  color: var(--color-text-slate);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition-medium);
}

.portfolio-nav-btn:hover {
  background: rgba(0, 210, 255, 0.08);
  border-color: var(--color-primary-cyan);
  color: var(--color-primary-cyan);
  box-shadow: var(--cyan-shadow-glow);
  transform: scale(1.05);
}

.portfolio-nav-btn svg {
  width: 20px;
  height: 20px;
}

/* ==========================================
   RESPONSIVE MEDIA QUERIES
   ========================================== */

/* Tablet (1024px or less) */
@media (max-width: 1024px) {
  .hero-content {
    max-width: 52%;
    padding-left: 5%;
  }
  
  .hero-title {
    font-size: 2.8rem;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
    text-align: center;
  }
  
  .about-media-wrapper {
    order: -1;
  }
  
  .process-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 3rem;
  }
  
  .process-grid::before {
    display: none; /* Hide line when stacked */
  }
  
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 3rem;
  }
}

/* Small Tablet / Large Mobile (768px or less) */
@media (max-width: 768px) {
  .site-header {
    padding: 0 1.5rem;
  }
  
  .mobile-nav-toggle {
    display: block;
  }
  
  .nav-menu {
    position: fixed;
    top: 80px;
    left: 0;
    width: 100%;
    height: calc(100vh - 80px);
    background: rgba(3, 6, 17, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    flex-direction: column;
    padding: 4rem 2rem;
    gap: 2rem;
    transform: translateX(100%);
    transition: transform var(--transition-medium);
    border-top: 1px solid var(--color-border-glass);
  }
  
  .nav-menu.active {
    transform: translateX(0);
  }
  
  .hero-video-bg {
    width: 100%;
    right: 0;
  }
  
  .hero-overlay {
    background: linear-gradient(180deg, 
                  rgba(3, 6, 17, 0.95) 0%, 
                  rgba(3, 6, 17, 0.65) 40%, 
                  rgba(3, 6, 17, 0.8) 70%, 
                  rgba(3, 6, 17, 0.98) 100%);
  }

  .hero-content {
    max-width: 100%;
    padding: 100px 1.5rem 30px;
    align-items: center;
    text-align: center;
    margin-top: 60px;
  }
  
  .hero-subtitle {
    text-align: center;
    margin-bottom: 2rem;
  }
  
  .hero-features {
    justify-content: center;
    gap: 1.5rem;
  }
  
  .section {
    padding: 3.5rem 1.5rem;
  }
  
  .carousel-track {
    height: 350px;
  }
  
  .carousel-card {
    width: 260px;
    height: 320px;
    padding: 2rem 1.5rem;
  }
  
  .carousel-card.active {
    transform: translate3d(0, 0, 40px) scale(1);
  }
  
  .carousel-card.prev {
    transform: translate3d(-100px, 0, -30px) scale(0.8) rotateY(10deg);
    opacity: 0.25;
  }
  
  .carousel-card.next {
    transform: translate3d(100px, 0, -30px) scale(0.8) rotateY(-10deg);
    opacity: 0.25;
  }
  
  .portfolio-carousel-track {
    height: 480px;
  }
  
  .portfolio-card {
    width: 290px;
  }
  
  .portfolio-card.pos-active {
    transform: translate3d(30px, 0, 40px) scale(1) rotateY(-8deg);
  }
  
  .portfolio-card.pos-prev-1 {
    transform: translate3d(-30px, 0, 10px) scale(0.92) rotateY(-8deg);
    opacity: 0.6;
  }
  
  .portfolio-card.pos-prev-2 {
    transform: translate3d(-90px, 0, -20px) scale(0.84) rotateY(-8deg);
    opacity: 0.3;
  }
  
  .portfolio-card.pos-single {
    transform: translate3d(0, 0, 0) scale(1);
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  
  .footer-brand {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
  }
  
  .footer-brand p {
    max-width: 100%;
  }
}

/* Small Mobile (375px or less) */
@media (max-width: 375px) {
  .hero-badge {
    font-size: 0.75rem;
    padding: 0.4rem 1rem;
  }
  
  .btn {
    width: 100%;
    padding: 0.8rem 1.5rem;
  }
  
  .portfolio-grid {
    grid-template-columns: 1fr;
  }
}