/* ===== DESIGN TOKENS ===== */
:root {
  /* Colors */
  --bg-primary: #0a0a0f;
  --bg-secondary: #111119;
  --bg-card: rgba(255, 255, 255, 0.04);
  --bg-glass: rgba(255, 255, 255, 0.06);
  --text-primary: #f0f0f5;
  --text-secondary: rgba(240, 240, 245, 0.6);
  --text-muted: rgba(240, 240, 245, 0.35);
  --accent: #6c63ff;
  --accent-light: #8b83ff;
  --accent-glow: rgba(108, 99, 255, 0.35);
  --gradient-1: linear-gradient(135deg, #6c63ff 0%, #e05fc4 100%);
  --gradient-2: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
  --border-subtle: rgba(255, 255, 255, 0.07);
  --border-accent: rgba(108, 99, 255, 0.3);

  /* Typography */
  --font-heading: 'Outfit', sans-serif;
  --font-body: 'Inter', sans-serif;

  /* Spacing */
  --section-padding: clamp(80px, 10vw, 140px) clamp(20px, 5vw, 80px);
  --container-max: 1200px;

  /* Radius */
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;

  /* Transitions */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --transition-base: 0.4s var(--ease-out);
}

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

html {
  scroll-behavior: smooth;
  scrollbar-width: thin;
  scrollbar-color: var(--accent) var(--bg-primary);
}

body {
  font-family: var(--font-body);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.15;
}

a {
  text-decoration: none;
  color: inherit;
}

img {
  display: block;
  max-width: 100%;
}

/* ===== UTILITY ===== */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  width: 100%;
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--accent-light);
  margin-bottom: 20px;
}

.section-label::before {
  content: '';
  width: 30px;
  height: 2px;
  background: var(--gradient-1);
  border-radius: 2px;
}

.section-title {
  font-size: clamp(2rem, 4vw, 3.2rem);
  margin-bottom: 20px;
  background: linear-gradient(135deg, #ffffff 30%, var(--accent-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 560px;
  line-height: 1.8;
}

/* ===== AMBIENT BACKGROUND ===== */
.ambient-bg {
  position: fixed;
  inset: 0;
  z-index: -1;
  overflow: hidden;
  pointer-events: none;
}

.ambient-bg .orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.15;
  animation: float 20s ease-in-out infinite alternate;
}

.ambient-bg .orb:nth-child(1) {
  width: 600px;
  height: 600px;
  background: var(--accent);
  top: -200px;
  right: -100px;
}

.ambient-bg .orb:nth-child(2) {
  width: 500px;
  height: 500px;
  background: #e05fc4;
  bottom: -150px;
  left: -150px;
  animation-delay: -7s;
}

.ambient-bg .orb:nth-child(3) {
  width: 400px;
  height: 400px;
  background: #3b82f6;
  top: 50%;
  left: 50%;
  animation-delay: -14s;
}

@keyframes float {
  0% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(30px, -50px) scale(1.05); }
  66% { transform: translate(-20px, 20px) scale(0.95); }
  100% { transform: translate(10px, -10px) scale(1.02); }
}

/* ===== NAVBAR ===== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 0 clamp(20px, 5vw, 80px);
  transition: var(--transition-base);
}

.navbar.scrolled {
  background: rgba(10, 10, 15, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-subtle);
}

.navbar-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}

.logo {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.5px;
}

.logo span {
  background: var(--gradient-1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 40px;
}

.nav-links a {
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-secondary);
  position: relative;
  transition: color var(--transition-base);
  padding: 4px 0;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0%;
  height: 2px;
  background: var(--gradient-1);
  border-radius: 2px;
  transition: width var(--transition-base);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--text-primary);
}

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

.nav-cta {
  padding: 10px 36px;
  border-radius: 50px;
  background: var(--gradient-1);
  font-size: 0.85rem;
  font-weight: 600;
  color: #fff !important;
  border: none;
  cursor: pointer;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px var(--accent-glow);
}

.nav-cta::after {
  display: none !important;
}

/* Mobile Menu Toggle */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 5px;
  z-index: 1001;
}

.menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: var(--transition-base);
}

/* ===== HERO ===== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: var(--section-padding);
  position: relative;
}

.hero-content {
  max-width: 720px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  border-radius: 50px;
  background: var(--bg-glass);
  border: 1px solid var(--border-subtle);
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 32px;
  backdrop-filter: blur(10px);
}

.hero-badge .dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #34d399;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(52, 211, 153, 0.5); }
  50% { opacity: 0.7; box-shadow: 0 0 0 8px rgba(52, 211, 153, 0); }
}

.hero h1 {
  font-size: clamp(2.8rem, 6vw, 5rem);
  margin-bottom: 28px;
  letter-spacing: -2px;
}

.hero h1 .gradient-text {
  background: var(--gradient-1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p {
  font-size: 1.12rem;
  color: var(--text-secondary);
  max-width: 520px;
  margin-bottom: 48px;
  line-height: 1.8;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 36px;
  border-radius: 50px;
  background: var(--gradient-1);
  font-family: var(--font-body);
  font-size: 0.92rem;
  font-weight: 600;
  color: #fff;
  border: none;
  cursor: pointer;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 40px var(--accent-glow);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 36px;
  border-radius: 50px;
  background: var(--bg-glass);
  border: 1px solid var(--border-subtle);
  font-family: var(--font-body);
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text-primary);
  cursor: pointer;
  backdrop-filter: blur(10px);
  transition: var(--transition-base);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--border-accent);
  transform: translateY(-2px);
}

.hero-stats {
  display: flex;
  gap: 50px;
  margin-top: 80px;
  padding-top: 40px;
  border-top: 1px solid var(--border-subtle);
}

.stat h3 {
  font-size: 2.2rem;
  background: var(--gradient-1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat p {
  font-size: 0.82rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: 0;
}

/* ===== ABOUT ===== */
.about {
  padding: var(--section-padding);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
  margin-top: 60px;
}

.about-visual {
  position: relative;
}

.about-visual-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: relative;
  aspect-ratio: 4/3;
  background: var(--bg-glass);
  border: 1px solid var(--border-subtle);
}

.about-visual-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.about-visual .floating-badge {
  position: absolute;
  bottom: -20px;
  right: -20px;
  padding: 20px 28px;
  border-radius: var(--radius-md);
  background: rgba(10, 10, 15, 0.85);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  gap: 14px;
  animation: floatBadge 4s ease-in-out infinite;
}

@keyframes floatBadge {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

.floating-badge .icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--gradient-1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
}

.floating-badge h4 {
  font-size: 1.3rem;
}

.floating-badge p {
  font-size: 0.78rem;
  color: var(--text-muted);
}

.about-content h3 {
  font-size: 1.6rem;
  margin-bottom: 20px;
  color: var(--text-primary);
}

.about-content p {
  color: var(--text-secondary);
  margin-bottom: 16px;
  font-size: 0.95rem;
}

.about-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 32px;
}

.feature-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 18px;
  border-radius: var(--radius-sm);
  background: var(--bg-glass);
  border: 1px solid var(--border-subtle);
  font-size: 0.88rem;
  font-weight: 500;
  transition: var(--transition-base);
}

.feature-item:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--border-accent);
  transform: translateY(-2px);
}

.feature-item .check {
  width: 22px;
  height: 22px;
  border-radius: 6px;
  background: var(--gradient-1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  flex-shrink: 0;
}

/* ===== TEAM ===== */
.team {
  padding: var(--section-padding);
}

.team-header {
  text-align: center;
  margin-bottom: 60px;
}

.team-header .section-subtitle {
  margin: 0 auto;
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.team-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 32px;
  text-align: center;
  transition: var(--transition-base);
  position: relative;
  overflow: hidden;
}

.team-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-1);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.team-card:hover {
  transform: translateY(-8px);
  border-color: var(--border-accent);
  background: rgba(255, 255, 255, 0.06);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

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

.team-avatar {
  width: 110px;
  height: 110px;
  border-radius: 50%;
  overflow: hidden;
  margin: 0 auto 24px;
  border: 3px solid transparent;
  background: var(--gradient-1) border-box;
  padding: 3px;
  transition: var(--transition-base);
}

.team-card:hover .team-avatar {
  transform: scale(1.05);
}

.team-avatar img {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
}

.team-card h3 {
  font-size: 1.15rem;
  margin-bottom: 6px;
}

.team-card .role {
  font-size: 0.82rem;
  color: var(--accent-light);
  font-weight: 500;
  margin-bottom: 16px;
}

.team-card .bio {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 20px;
}

.team-socials {
  display: flex;
  justify-content: center;
  gap: 10px;
}

.team-socials a {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: var(--bg-glass);
  border: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  color: var(--text-secondary);
  transition: var(--transition-base);
}

.team-socials a:hover {
  background: var(--gradient-1);
  color: #fff;
  border-color: transparent;
  transform: translateY(-2px);
}

/* ===== PROJECTS ===== */
.projects {
  padding: var(--section-padding);
}

.projects-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 60px;
  flex-wrap: wrap;
  gap: 20px;
}

.slider-controls {
  display: flex;
  gap: 12px;
}

.slider-btn {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: var(--bg-glass);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  font-size: 1.1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-base);
  backdrop-filter: blur(10px);
}

.slider-btn:hover {
  background: var(--gradient-1);
  border-color: transparent;
  transform: scale(1.1);
}

.projects-slider {
  overflow: hidden;
  position: relative;
}

.projects-track {
  display: flex;
  gap: 30px;
  transition: transform 0.6s var(--ease-out);
}

.project-card {
  min-width: calc(50% - 15px);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  transition: var(--transition-base);
  flex-shrink: 0;
}

.project-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-accent);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.project-image {
  aspect-ratio: 16/10;
  overflow: hidden;
  position: relative;
}

.project-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.8s var(--ease-out);
}

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

.project-image .project-tag {
  position: absolute;
  top: 16px;
  left: 16px;
  padding: 6px 14px;
  border-radius: 50px;
  background: rgba(10, 10, 15, 0.7);
  backdrop-filter: blur(10px);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--accent-light);
  border: 1px solid var(--border-subtle);
}

.project-info {
  padding: 28px;
}

.project-info h3 {
  font-size: 1.3rem;
  margin-bottom: 10px;
  transition: color var(--transition-base);
}

.project-card:hover .project-info h3 {
  color: var(--accent-light);
}

.project-info p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 20px;
}

.project-meta {
  display: flex;
  gap: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--border-subtle);
}

.project-meta span {
  font-size: 0.76rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 6px;
}

/* Slider dots */
.slider-dots {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 40px;
}

.slider-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--border-subtle);
  border: none;
  cursor: pointer;
  transition: var(--transition-base);
  padding: 0;
}

.slider-dot.active {
  width: 32px;
  border-radius: 4px;
  background: var(--gradient-1);
}

/* ===== FOOTER ===== */
.footer {
  padding: 60px clamp(20px, 5vw, 80px) 30px;
  border-top: 1px solid var(--border-subtle);
}

.footer-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
}

.footer-left .logo {
  margin-bottom: 8px;
}

.footer-left p {
  font-size: 0.82rem;
  color: var(--text-muted);
}

.footer-links {
  display: flex;
  gap: 30px;
  list-style: none;
}

.footer-links a {
  font-size: 0.85rem;
  color: var(--text-secondary);
  transition: color var(--transition-base);
}

.footer-links a:hover {
  color: var(--accent-light);
}

/* ===== SCROLL ANIMATIONS ===== */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}

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

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .project-card {
    min-width: calc(100% - 0px);
  }
}

@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: rgba(10, 10, 15, 0.97);
    backdrop-filter: blur(20px);
    flex-direction: column;
    align-items: flex-start;
    padding: 100px 40px 40px;
    gap: 24px;
    transition: right var(--transition-base);
    border-left: 1px solid var(--border-subtle);
  }

  .nav-links.open {
    right: 0;
  }

  .menu-toggle {
    display: flex;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

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

  .hero-stats {
    gap: 30px;
    flex-wrap: wrap;
  }

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

  .projects-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .hero h1 {
    letter-spacing: -1px;
  }

  .footer-inner {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .hero-actions {
    flex-direction: column;
    width: 100%;
  }

  .btn-primary, .btn-secondary {
    width: 100%;
    justify-content: center;
  }
}