/* ========================================
   DESIGN SYSTEM — Portfolio Profissional
   ======================================== */

/* WhatsApp Floating Button */
.whatsapp-float {
  position: fixed;
  bottom: 30px;
  right: 30px;
  background: #25d366;
  color: white;
  width: 65px;
  height: 65px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  box-shadow: 0 4px 25px rgba(37, 211, 102, 0.5);
  z-index: 9999;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  animation: pulse 2s infinite;
}

.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 25px rgba(37, 211, 102, 0.6);
}

.whatsapp-float-icon {
  width: 32px;
  height: 32px;
}

.whatsapp-float-tooltip {
  position: absolute;
  bottom: -40px;
  right: 0;
  background: rgba(37, 211, 102, 0.95);
  color: white;
  padding: 6px 12px;
  border-radius: 8px;
  font-size: 12px;
  font-weight: 500;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
  white-space: nowrap;
  transform: translateY(10px);
}

.whatsapp-float:hover .whatsapp-float-tooltip {
  opacity: 1;
  transform: translateY(0);
}

.whatsapp-float-tooltip::before {
  content: '';
  position: absolute;
  top: -6px;
  right: 12px;
  border-left: 6px solid transparent;
  border-right: 6px solid transparent;
  border-top: 6px solid rgba(37, 211, 102, 0.95);
}

@keyframes pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.4);
  }
  70% {
    box-shadow: 0 0 0 15px rgba(37, 211, 102, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(37, 211, 102, 0);
  }
}

/* Mobile responsiveness */
@media (max-width: 768px) {
  .whatsapp-float {
    bottom: 20px;
    right: 20px;
    width: 55px;
    height: 55px;
  }

  .whatsapp-float-icon {
    width: 28px;
    height: 28px;
  }

  .whatsapp-float-tooltip {
    bottom: -50px;
    font-size: 11px;
    padding: 4px 10px;
  }
}

:root {
  --bg-base: #080810;
  --bg-surface: #0f0f1a;
  --bg-elevated: #161625;
  --bg-card: rgba(22, 22, 37, 0.65);

  --accent-primary: #6366f1;
  --accent-secondary: #14b8a6;
  --accent-tertiary: #a78bfa;
  --accent-warm: #f472b6;

  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;

  --border-subtle: rgba(255, 255, 255, 0.06);
  --border-accent: rgba(99, 102, 241, 0.35);

  --gradient-brand: linear-gradient(135deg, #6366f1 0%, #14b8a6 50%, #a78bfa 100%);
  --gradient-hero: radial-gradient(ellipse 80% 60% at 50% -20%, rgba(99, 102, 241, 0.25), transparent),
                   radial-gradient(ellipse 60% 50% at 80% 50%, rgba(20, 184, 166, 0.12), transparent),
                   radial-gradient(ellipse 50% 40% at 10% 80%, rgba(167, 139, 250, 0.1), transparent);

  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 8px 32px rgba(0, 0, 0, 0.4);
  --shadow-glow: 0 0 40px rgba(99, 102, 241, 0.15);

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;

  --header-height: 72px;
}

/* Base */
html {
  scroll-behavior: smooth;
}

body {
  background-color: var(--bg-base);
  color: var(--text-primary);
}

/* Grid background pattern */
.bg-grid {
  background-image:
    linear-gradient(rgba(99, 102, 241, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(99, 102, 241, 0.03) 1px, transparent 1px);
  background-size: 64px 64px;
}

/* ========================================
   HEADER
   ======================================== */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  height: var(--header-height);
  background: rgba(8, 8, 16, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle);
  transition: background 0.3s ease, box-shadow 0.3s ease;
}

.site-header.scrolled {
  background: rgba(8, 8, 16, 0.95);
  box-shadow: var(--shadow-md);
}

.logo-mark {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
}

.logo-avatar {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: var(--gradient-brand);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 0.875rem;
  color: white;
  letter-spacing: -0.02em;
}

.logo-text {
  font-weight: 700;
  font-size: 1.125rem;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

.nav-link {
  position: relative;
  color: var(--text-secondary);
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  transition: color 0.2s ease;
  padding: 0.25rem 0;
}

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

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-brand);
  border-radius: 2px;
  transition: width 0.3s ease;
}

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

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1.25rem;
  background: var(--gradient-brand);
  color: white;
  font-size: 0.8125rem;
  font-weight: 600;
  border-radius: 9999px;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  text-decoration: none;
}

.nav-cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(99, 102, 241, 0.4);
}

/* Mobile menu */
.menu-btn span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--accent-primary);
  margin-bottom: 5px;
  border-radius: 2px;
  transition: all 0.3s ease;
}

.menu-btn.open span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.menu-btn.open span:nth-child(2) {
  opacity: 0;
}

.menu-btn.open span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
  margin-bottom: 0;
}

.mobile-nav {
  background: var(--bg-surface);
  border-top: 1px solid var(--border-subtle);
}

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

.hero-section {
  position: relative;
  padding: 4rem 1rem 5rem;
  overflow: hidden;
  background: var(--gradient-hero);
  min-height: 90vh;
  display: flex;
  align-items: center;
}

.hero-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(99, 102, 241, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(99, 102, 241, 0.04) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 70% 70% at 50% 50%, black, transparent);
  -webkit-mask-image: radial-gradient(ellipse 70% 70% at 50% 50%, black, transparent);
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.375rem 1rem 0.375rem 0.75rem;
  background: rgba(20, 184, 166, 0.1);
  border: 1px solid rgba(20, 184, 166, 0.3);
  border-radius: 9999px;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--accent-secondary);
  margin-bottom: 1.5rem;
}

.hero-badge-dot {
  width: 8px;
  height: 8px;
  background: var(--accent-secondary);
  border-radius: 50%;
  animation: pulse-dot 2s ease infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(20, 184, 166, 0.5); }
  50% { opacity: 0.8; box-shadow: 0 0 0 6px rgba(20, 184, 166, 0); }
}

.hero-title {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 1rem;
}

.hero-title .gradient-text {
  background: var(--gradient-brand);
  background-size: 200% 200%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: gradientShift 6s ease infinite;
}

@keyframes gradientShift {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

.hero-subtitle {
  font-size: clamp(1.125rem, 2.5vw, 1.5rem);
  color: var(--text-secondary);
  max-width: 36rem;
  margin: 0 auto 1rem;
  line-height: 1.6;
}

.hero-description {
  font-size: 1.0625rem;
  color: var(--text-secondary);
  max-width: 36rem;
  margin: 0 0 1.5rem;
  line-height: 1.75;
}

/* Hero grid layout */
.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: center;
}

@media (min-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
  }
}

.hero-content {
  text-align: left;
}

.hero-role {
  font-size: clamp(1.25rem, 2.5vw, 1.625rem);
  color: var(--accent-secondary);
  font-weight: 600;
  margin-bottom: 0.75rem;
  text-shadow: 0 0 40px rgba(20, 184, 166, 0.25);
  line-height: 1.3;
}

.hero-tagline {
  font-size: 1.0625rem;
  color: var(--text-secondary);
  max-width: 34rem;
  margin-bottom: 1.25rem;
  line-height: 1.6;
}

.hero-value {
  font-size: 0.9375rem;
  color: var(--accent-tertiary);
  max-width: 34rem;
  margin-bottom: 1.25rem;
  line-height: 1.6;
  font-weight: 500;
}

.hero-expertise {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
  margin-bottom: 1.75rem;
}

.expertise-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.expertise-header {
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
}

.expertise-header-accent {
  color: var(--accent-secondary);
}

.expertise-items {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.expertise-item {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  font-size: 0.8125rem;
  color: var(--text-muted);
  font-weight: 500;
}

.expertise-item svg {
  color: var(--text-muted);
  flex-shrink: 0;
}

.expertise-item-accent {
  color: var(--text-secondary);
}

.expertise-item-accent svg {
  color: var(--accent-secondary);
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  flex-wrap: wrap;
}

.hero-cv-link {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  color: var(--text-muted);
  font-size: 0.8125rem;
  font-weight: 500;
  text-decoration: none;
  transition: color 0.2s ease;
}

.hero-cv-link:hover {
  color: var(--accent-secondary);
}

/* Floating orbs */
.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
  animation: float-orb 8s ease-in-out infinite;
}

.hero-orb-1 {
  width: 400px;
  height: 400px;
  background: rgba(99, 102, 241, 0.2);
  top: -10%;
  right: -5%;
}

.hero-orb-2 {
  width: 300px;
  height: 300px;
  background: rgba(20, 184, 166, 0.15);
  bottom: 10%;
  left: -5%;
  animation-delay: -3s;
}

.hero-orb-3 {
  width: 200px;
  height: 200px;
  background: rgba(167, 139, 250, 0.12);
  top: 40%;
  left: 30%;
  animation-delay: -5s;
}

@keyframes float-orb {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(20px, -20px) scale(1.05); }
  66% { transform: translate(-15px, 15px) scale(0.95); }
}

/* Pipeline visual card */
.hero-visual {
  display: flex;
  justify-content: center;
}

.pipeline-card {
  width: 100%;
  max-width: 420px;
  background: rgba(8, 8, 16, 0.85);
  border: 1px solid var(--border-accent);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 0 60px rgba(99, 102, 241, 0.2), var(--shadow-md);
  animation: pipeline-float 6s ease-in-out infinite;
}

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

.pipeline-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1rem;
  background: rgba(255, 255, 255, 0.03);
  border-bottom: 1px solid var(--border-subtle);
  font-size: 0.75rem;
}

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

.pipeline-dot-red { background: #ef4444; }
.pipeline-dot-yellow { background: #eab308; }
.pipeline-dot-green { background: #22c55e; }

.pipeline-filename {
  margin-left: 0.5rem;
  color: var(--text-muted);
}

.pipeline-body {
  padding: 1.25rem;
  font-size: 0.8125rem;
  line-height: 1.8;
}

.pipeline-line-active {
  background: rgba(99, 102, 241, 0.1);
  border-left: 2px solid var(--accent-primary);
  margin: 0 -1.25rem;
  padding: 0 1.25rem;
  overflow: hidden;
}

.code-kw { color: #c084fc; }
.code-fn { color: #34d399; }
.code-str { color: #fbbf24; }
.code-comment { color: var(--text-muted); font-style: italic; }

.code-cursor {
  animation: blink 1s step-end infinite;
  color: var(--accent-primary);
}

.pipeline-flow {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.25rem;
  padding: 1.25rem;
  background: rgba(99, 102, 241, 0.05);
  border-top: 1px solid var(--border-subtle);
}

.flow-node {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
  padding: 0.625rem 0.75rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  font-size: 0.6875rem;
  color: var(--text-secondary);
  min-width: 72px;
}

.flow-icon { font-size: 1.125rem; }

.flow-node-1 { border-color: rgba(99, 102, 241, 0.3); }
.flow-node-2 { border-color: rgba(20, 184, 166, 0.3); }
.flow-node-3 { border-color: rgba(167, 139, 250, 0.3); }

.flow-arrow {
  width: 28px;
  height: 2px;
  background: var(--border-accent);
  position: relative;
  overflow: visible;
}

.flow-particle {
  position: absolute;
  width: 6px;
  height: 6px;
  background: var(--accent-secondary);
  border-radius: 50%;
  top: -2px;
  animation: flow-particle 2s ease-in-out infinite;
  box-shadow: 0 0 8px var(--accent-secondary);
}

.flow-particle-delay { animation-delay: 1s; }

@keyframes flow-particle {
  0% { left: 0; opacity: 0; }
  20% { opacity: 1; }
  80% { opacity: 1; }
  100% { left: 100%; opacity: 0; }
}

/* Tech marquee */
.tech-marquee-section {
  background: var(--bg-surface);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
  padding: 1rem 0;
  overflow: hidden;
}

.tech-marquee {
  mask-image: linear-gradient(90deg, transparent, black 10%, black 90%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, black 10%, black 90%, transparent);
}

.tech-marquee-track {
  display: flex;
  gap: 2.5rem;
  animation: marquee 30s linear infinite;
  width: max-content;
}

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

.marquee-item {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-muted);
  white-space: nowrap;
}

.marquee-item img {
  width: 20px;
  height: 20px;
  opacity: 0.8;
}

/* Glow borders */
.glow-border {
  position: relative;
}

.glow-border-strong {
  position: relative;
  box-shadow: 0 0 60px rgba(99, 102, 241, 0.12);
}

.glow-border::before,
.glow-border-strong::before {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(135deg, rgba(99,102,241,0.4), rgba(20,184,166,0.2), rgba(167,139,250,0.3));
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.glow-border:hover::before,
.glow-border-strong::before {
  opacity: 1;
}

/* Bento grid */
.bento-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

@media (min-width: 640px) {
  .bento-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .bento-large {
    grid-column: span 2;
  }
}

.bento-ai {
  background: linear-gradient(135deg, rgba(99,102,241,0.08), rgba(167,139,250,0.06)) !important;
  border-color: rgba(167, 139, 250, 0.2) !important;
}

.skill-chip-highlight {
  background: rgba(20, 184, 166, 0.12) !important;
  border-color: rgba(20, 184, 166, 0.3) !important;
  color: var(--accent-secondary) !important;
}

.skill-chip-ai {
  background: rgba(167, 139, 250, 0.1) !important;
  border-color: rgba(167, 139, 250, 0.25) !important;
  color: var(--accent-tertiary) !important;
}

.ai-spark {
  color: var(--accent-tertiary);
  animation: pulse-dot 2s ease infinite;
}

/* Project card accents */
.project-card-accent {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
}

.project-accent-indigo { background: linear-gradient(90deg, #6366f1, #818cf8); }
.project-accent-teal { background: linear-gradient(90deg, #14b8a6, #2dd4bf); }
.project-accent-purple { background: linear-gradient(90deg, #a78bfa, #c084fc); }

/* Certifications */
.cert-icon {
  font-size: 1.75rem;
  margin-bottom: 0.75rem;
}

.cert-hours {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--accent-secondary);
  background: rgba(20, 184, 166, 0.1);
  padding: 0.25rem 0.75rem;
  border-radius: 9999px;
  white-space: nowrap;
}

.cert-badge-inprogress {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent-tertiary);
  background: rgba(167, 139, 250, 0.15);
  padding: 0.25rem 0.75rem;
  border-radius: 9999px;
  animation: pulse-dot 3s ease infinite;
}

.cert-card {
  transition: all 0.2s ease;
}

.cert-card:hover {
  border-color: var(--border-accent);
  transform: translateX(4px);
}


/* Profile image */
.profile-img-container {
  position: relative;
  width: 160px;
  height: 160px;
  margin: 0 auto 2rem;
}

.profile-img-border {
  position: absolute;
  inset: -3px;
  border-radius: 50%;
  background: var(--gradient-brand);
  background-size: 300% 300%;
  animation: gradientShift 4s ease infinite;
  z-index: 0;
}

.profile-img {
  position: relative;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
  z-index: 1;
  border: 3px solid var(--bg-base);
}

/* Typing effect */
.typing-text {
  border-right: 2px solid var(--accent-primary);
  animation: blink 0.8s step-end infinite;
}

@keyframes blink {
  from, to { border-color: transparent; }
  50% { border-color: var(--accent-primary); }
}

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

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.875rem 1.75rem;
  background: var(--gradient-brand);
  color: white;
  font-weight: 600;
  font-size: 0.9375rem;
  border-radius: var(--radius-md);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  text-decoration: none;
  border: none;
  cursor: pointer;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(99, 102, 241, 0.35);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.875rem 1.75rem;
  background: transparent;
  color: var(--text-primary);
  font-weight: 600;
  font-size: 0.9375rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-accent);
  transition: all 0.2s ease;
  text-decoration: none;
}

.btn-secondary:hover {
  background: rgba(99, 102, 241, 0.1);
  border-color: var(--accent-primary);
  transform: translateY(-2px);
}

.cta-button {
  position: relative;
  overflow: hidden;
}

/* Legacy alias */
.neon-glow {
  box-shadow: 0 4px 24px rgba(99, 102, 241, 0.25);
}

.neon-glow:hover {
  box-shadow: 0 8px 32px rgba(99, 102, 241, 0.4);
}

/* ========================================
   SECTIONS
   ======================================== */

.section-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-primary);
  margin-bottom: 0.75rem;
}

.section-title {
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin-bottom: 1.5rem;
}

.section-divider {
  width: 48px;
  height: 3px;
  background: var(--gradient-brand);
  border-radius: 2px;
  margin-bottom: 2rem;
}

/* ========================================
   CARDS
   ======================================== */

.glass-card {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  transition: all 0.3s ease;
}

.glass-card:hover {
  border-color: var(--border-accent);
  box-shadow: var(--shadow-glow);
  transform: translateY(-4px);
}

/* Stats */
.stats-section {
  background: var(--bg-surface);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.stat-card {
  text-align: center;
  padding: 2rem 1.5rem;
}

.stat-number {
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  font-weight: 800;
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 0.5rem;
}

.stat-label {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* ========================================
   SKILLS
   ======================================== */

.skill-category-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--accent-tertiary);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.skill-bar {
  position: relative;
  height: 6px;
  background: rgba(255, 255, 255, 0.06);
  border-radius: 9999px;
  overflow: hidden;
  flex: 1;
  max-width: 120px;
}

.skill-progress {
  height: 100%;
  background: var(--gradient-brand);
  border-radius: 9999px;
  transition: width 1.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.skill-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.375rem 0.75rem;
  background: rgba(99, 102, 241, 0.08);
  border: 1px solid rgba(99, 102, 241, 0.15);
  border-radius: var(--radius-sm);
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: all 0.2s ease;
}

.skill-chip:hover {
  background: rgba(99, 102, 241, 0.15);
  border-color: rgba(99, 102, 241, 0.3);
  color: var(--text-primary);
  transform: translateY(-1px);
}

.tech-icon {
  transition: transform 0.2s ease;
}

.tech-icon:hover {
  transform: scale(1.15);
}

/* ========================================
   TIMELINE / EXPERIENCE
   ======================================== */

.timeline-item {
  position: relative;
  padding-left: 1.75rem;
  border-left: 2px solid rgba(99, 102, 241, 0.25);
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: -7px;
  top: 0.5rem;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--accent-primary);
  box-shadow: 0 0 0 4px var(--bg-base), 0 0 12px rgba(99, 102, 241, 0.5);
}

.experience-company {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.25rem 0.75rem;
  background: rgba(99, 102, 241, 0.1);
  border-radius: 9999px;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--accent-tertiary);
}

.experience-date {
  font-size: 0.8125rem;
  color: var(--text-muted);
  font-weight: 500;
}

/* ========================================
   PROJECTS (Redesigned)
   ======================================== */

.projects-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

@media (min-width: 640px) {
  .projects-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .projects-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.project-card-new {
  position: relative;
  display: flex;
  flex-direction: column;
  height: 100%;
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.project-card-new:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(99, 102, 241, 0.2);
  border-color: var(--border-accent);
}

.project-thumb {
  position: relative;
  background: var(--bg-elevated);
  border-bottom: 1px solid var(--border-subtle);
  padding: 1.25rem 1.25rem 1rem;
  overflow: hidden;
  min-height: 100px;
}

.project-card-new:hover .project-thumb {
  background: rgba(255, 255, 255, 0.015);
}

.project-thumb-accent {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  opacity: 0.6;
}

.project-thumb-content {
  position: relative;
  line-height: 1.7;
  opacity: 0.85;
}

.project-body {
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.project-body h3 {
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.125rem;
}

.project-status {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.2rem 0.625rem;
  background: rgba(20, 184, 166, 0.1);
  border: 1px solid rgba(20, 184, 166, 0.2);
  border-radius: 9999px;
  font-size: 0.6875rem;
  font-weight: 600;
  color: var(--accent-secondary);
  white-space: nowrap;
  flex-shrink: 0;
}

.project-role {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 500;
  margin-bottom: 0.625rem;
}

.project-desc {
  color: var(--text-secondary);
  font-size: 0.875rem;
  line-height: 1.6;
  flex: 1;
  margin-bottom: 0.75rem;
}

.project-impact {
  margin-bottom: 0.75rem;
}

.project-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-top: auto;
  padding-top: 0.75rem;
  border-top: 1px solid var(--border-subtle);
}

.project-actions .btn-link {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  color: var(--accent-primary);
  font-weight: 600;
  font-size: 0.875rem;
  transition: gap 0.2s ease, color 0.2s ease;
  text-decoration: none;
}

.project-actions .btn-link:hover {
  gap: 0.5rem;
  color: var(--accent-secondary);
}

/* Legacy project card styles (keep for compatibility) */
.project-card {
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  height: 100%;
}

.project-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.project-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: rgba(99, 102, 241, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  flex-shrink: 0;
}

.project-card h3 {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
}

.project-card p {
  color: var(--text-secondary);
  font-size: 0.9375rem;
  line-height: 1.6;
  flex: 1;
  margin-bottom: 1.25rem;
}

.project-card .btn-link {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  color: var(--accent-primary);
  font-weight: 600;
  font-size: 0.875rem;
  transition: gap 0.2s ease;
  text-decoration: none;
  margin-top: auto;
}

.project-card .btn-link:hover {
  gap: 0.625rem;
  color: var(--accent-secondary);
}

.project-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gradient-brand);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.project-card:hover::after {
  opacity: 1;
}

.btn-link-github {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.5rem;
  color: var(--text-muted);
  border-radius: var(--radius-sm);
  transition: all 0.2s ease;
  text-decoration: none;
}

.btn-link-github:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.06);
}

.tech-badge {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.625rem;
  background: rgba(20, 184, 166, 0.08);
  border: 1px solid rgba(20, 184, 166, 0.2);
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--accent-secondary);
  transition: all 0.2s ease;
}

.tech-badge:hover {
  background: rgba(20, 184, 166, 0.15);
  transform: translateY(-1px);
}

/* ========================================
   CERTIFICATIONS ACCORDION
   ======================================== */

.cert-accordion {
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: border-color 0.3s ease;
}

.cert-accordion:hover {
  border-color: var(--border-accent);
}

.cert-accordion-summary {
  display: flex;
  align-items: center;
  padding: 1rem 1.25rem;
  cursor: pointer;
  list-style: none;
  user-select: none;
  transition: background 0.2s ease;
}

.cert-accordion-summary::-webkit-details-marker {
  display: none;
}

.cert-accordion-summary:hover {
  background: rgba(255, 255, 255, 0.02);
}

.cert-accordion-chevron {
  color: var(--text-muted);
  transition: transform 0.3s ease;
  flex-shrink: 0;
}

.cert-accordion[open] .cert-accordion-chevron {
  transform: rotate(180deg);
}

.cert-accordion-body {
  padding: 0 1.25rem 1.25rem;
}

/* ========================================
   CONTACT & FOOTER
   ======================================== */

.contact-section {
  background: var(--bg-surface);
  border-top: 1px solid var(--border-subtle);
}

.contact-card {
  text-align: center;
  padding: 4rem 2rem;
  border-radius: var(--radius-xl);
  background: var(--gradient-hero);
  border: 1px solid var(--border-subtle);
}

.contact-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.625rem;
  padding: 0.875rem 2.25rem;
  background: var(--gradient-brand);
  color: white;
  font-weight: 600;
  font-size: 1rem;
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  margin-bottom: 2rem;
  outline: none;
}

.contact-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(99, 102, 241, 0.4);
}

.contact-cta:focus-visible {
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.5);
}

.contact-socials {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.contact-social-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  color: var(--text-muted);
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  transition: all 0.2s ease;
  outline: none;
}

.contact-social-link:hover {
  color: var(--text-primary);
  border-color: var(--border-accent);
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(99, 102, 241, 0.2);
}

.contact-social-link:focus-visible {
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.5);
}

.contact-cv-link {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  color: var(--text-muted);
  font-size: 0.8125rem;
  font-weight: 500;
  text-decoration: none;
  transition: color 0.2s ease;
  margin-bottom: 2rem;
}

.contact-cv-link:hover {
  color: var(--accent-secondary);
}

.contact-meta {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-subtle);
}

.contact-meta-item {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  font-size: 0.8125rem;
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.2s ease;
}

a.contact-meta-item:hover {
  color: var(--text-secondary);
}

.contact-meta-item svg {
  flex-shrink: 0;
}

.footer-wave {
  position: relative;
  background: var(--bg-base);
  border-top: 1px solid var(--border-subtle);
  overflow: hidden;
}

.footer-wave::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 200%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent-primary), var(--accent-secondary), transparent);
  animation: wave 4s linear infinite;
}

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

/* Back to Top Button */
.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 110px;
  width: 44px;
  height: 44px;
  background: var(--bg-elevated);
  color: var(--text-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 9998;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: opacity 0.3s ease, transform 0.3s ease, visibility 0.3s ease;
  font-size: 1.25rem;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  color: var(--text-primary);
  border-color: var(--border-accent);
  box-shadow: 0 4px 16px rgba(99, 102, 241, 0.2);
}

.back-to-top:focus-visible {
  outline: 2px solid var(--accent-primary);
  outline-offset: 3px;
}

/* Skip Link */
.skip-link {
  position: absolute;
  top: -100%;
  left: 1rem;
  background: var(--accent-primary);
  color: white;
  padding: 0.75rem 1.25rem;
  border-radius: 0 0 var(--radius-sm) var(--radius-sm);
  font-weight: 600;
  font-size: 0.875rem;
  z-index: 100;
  text-decoration: none;
  transition: top 0.2s ease;
}

.skip-link:focus {
  top: 0;
}

/* ========================================
   HIGHLIGHTS (recruiter-focused)
   ======================================== */

.highlight-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: center;
  margin-top: 2rem;
}

.highlight-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.375rem 0.875rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  border-radius: 9999px;
  font-size: 0.8125rem;
  color: var(--text-secondary);
}

.highlight-pill svg {
  width: 14px;
  height: 14px;
  color: var(--accent-secondary);
}

/* ========================================
   SCROLL REVEAL
   ======================================== */

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* Legacy hero gradient alias */
.hero-gradient {
  position: relative;
  padding: 5rem 1rem 6rem;
  overflow: hidden;
  background: var(--gradient-hero);
}

/* ========================================
   PROJECT PAGES
   ======================================== */

.project-page-header {
  background: var(--gradient-hero);
  border-bottom: 1px solid var(--border-subtle);
  padding: 2rem 1rem;
  text-align: center;
}

.project-page-header h1 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ========================================
   PROJECT PAGES — legacy color bridge
   ======================================== */

body.bg-grid .text-cyan-300 { color: var(--accent-tertiary) !important; }
body.bg-grid .text-cyan-400 { color: var(--accent-primary) !important; }
body.bg-grid .text-slate-300 { color: var(--text-secondary); }
body.bg-grid .text-slate-400 { color: var(--text-muted); }

.code-panel {
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.5rem;
}

.stat-panel {
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  text-align: center;
}

.stat-panel .stat-value {
  font-size: 2.25rem;
  font-weight: 800;
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 0.5rem;
}

.project-footer {
  background: var(--bg-base);
  border-top: 1px solid var(--border-subtle);
  text-align: center;
  padding: 1.5rem;
  color: var(--text-muted);
  font-size: 0.875rem;
  margin-top: 3rem;
}

.project-footer a {
  color: var(--accent-primary);
  transition: color 0.2s ease;
}

.project-footer a:hover {
  color: var(--accent-secondary);
}


*:focus-visible {
  outline: 2px solid var(--accent-primary);
  outline-offset: 3px;
}


::selection {
  background: rgba(99, 102, 241, 0.3);
  color: white;
}

@media (max-width: 768px) {
  .hero-section {
    padding: 3rem 1rem 3.5rem;
    min-height: auto;
  }

  .profile-img-container {
    width: 130px;
    height: 130px;
  }

  .stat-card {
    padding: 1.5rem 1rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}

/* ========================================
   TECHNOLOGY DOMAINS
   ======================================== */

.tech-domain {
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  padding: 1.5rem;
  transition: border-color 0.3s ease;
}

.tech-domain:hover {
  border-color: var(--border-accent);
}

.tech-domain-title {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border-subtle);
}

.tech-domain-title-icon {
  font-size: 1.125rem;
  flex-shrink: 0;
}

.tech-domain-level {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  margin-left: auto;
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.tech-domain-level.consolidated { color: var(--accent-secondary); }
.tech-domain-level.practice { color: var(--accent-primary); }
.tech-domain-level.learning { color: var(--accent-tertiary); }

@media (max-width: 639px) {
  .tech-domain-title {
    flex-wrap: wrap;
  }

  .tech-domain-level {
    width: 100%;
    margin-left: 1.625rem;
  }
}

.tech-domain-items {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.tech-domain-item {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.375rem 0.75rem;
  background: rgba(99, 102, 241, 0.06);
  border: 1px solid rgba(99, 102, 241, 0.12);
  border-radius: var(--radius-sm);
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: all 0.2s ease;
}

.tech-domain-item:hover {
  background: rgba(99, 102, 241, 0.12);
  border-color: rgba(99, 102, 241, 0.25);
  color: var(--text-primary);
}

.tech-domain-item img {
  width: 16px;
  height: 16px;
  opacity: 0.85;
}

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

.btn-primary svg,
.btn-secondary svg {
  flex-shrink: 0;
}

.hero-cv-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.875rem 1.75rem;
  background: transparent;
  color: var(--text-primary);
  font-weight: 600;
  font-size: 0.9375rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-accent);
  transition: all 0.2s ease;
  text-decoration: none;
  cursor: pointer;
}

.hero-cv-btn:hover {
  background: rgba(99, 102, 241, 0.1);
  border-color: var(--accent-primary);
  transform: translateY(-2px);
  box-shadow: 0 4px 20px rgba(99, 102, 241, 0.2);
}

/* ========================================
   PROJECT TYPE BADGES
   ======================================== */

.project-type-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.2rem 0.625rem;
  border-radius: 9999px;
  font-size: 0.6875rem;
  font-weight: 600;
  white-space: nowrap;
  flex-shrink: 0;
}

.project-type-professional {
  background: rgba(99, 102, 241, 0.1);
  border: 1px solid rgba(99, 102, 241, 0.25);
  color: var(--accent-primary);
}

.project-type-portfolio {
  background: rgba(20, 184, 166, 0.1);
  border: 1px solid rgba(20, 184, 166, 0.2);
  color: var(--accent-secondary);
}

.project-type-demo {
  background: rgba(167, 139, 250, 0.1);
  border: 1px solid rgba(167, 139, 250, 0.25);
  color: var(--accent-tertiary);
}

/* ========================================
   BACK TO TOP + WHATSAPP SPACING
   ======================================== */

@media (max-width: 768px) {
  .back-to-top {
    bottom: 90px;
    right: 20px;
    width: 40px;
    height: 40px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .back-to-top {
    transition: none;
  }
}

.lang-switcher {
  flex-shrink: 0;
}

.lang-flag {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  font-size: 1.25rem;
  background: transparent;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.2s ease;
  opacity: 0.5;
  line-height: 1;
  padding: 0;
}

.lang-flag:hover {
  opacity: 0.85;
  border-color: var(--border-accent);
  transform: translateY(-1px);
}

.lang-flag.lang-active {
  opacity: 1;
  border-color: var(--accent-primary);
  background: rgba(99, 102, 241, 0.1);
  box-shadow: 0 0 12px rgba(99, 102, 241, 0.2);
}

@media (max-width: 767px) {
  .lang-switcher .lang-flag {
    width: 40px;
    height: 40px;
    font-size: 1.375rem;
  }
}