/* ==========================================
   PORTFOLIO KEVIN ANCHETA - CEO NIARUX V3
   ========================================== */

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

/* ==========================================
   VARIABLES - TEMA OSCURO (DEFAULT)
   ========================================== */
:root {
  --primary: #7c3aed;
  --primary-hover: #6d28d9;
  --secondary: #a855f7;
  --accent: #06b6d4;
  --accent2: #10b981;

  --bg-primary: #06070d;
  --bg-secondary: #0d0f1a;
  --bg-tertiary: #131629;
  --bg-card: #111322;

  --text-primary: #f0f0ff;
  --text-secondary: #a0a8c8;
  --text-muted: #5a6080;

  --border: rgba(124, 58, 237, 0.15);
  --border-subtle: rgba(255,255,255,0.05);

  --shadow-sm: 0 1px 3px rgba(0,0,0,0.5);
  --shadow-md: 0 4px 20px rgba(0,0,0,0.4);
  --shadow-lg: 0 10px 40px rgba(0,0,0,0.5);
  --shadow-xl: 0 20px 60px rgba(0,0,0,0.6);
  --shadow-glow: 0 0 40px rgba(124, 58, 237, 0.25);

  --gradient-primary: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  --gradient-accent: linear-gradient(135deg, var(--accent) 0%, var(--accent2) 100%);
  --gradient-hero: linear-gradient(135deg, #7c3aed 0%, #a855f7 50%, #06b6d4 100%);

  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);

  --font-display: 'Syne', sans-serif;
  --font-body: 'Inter', sans-serif;
}

/* TEMA CLARO */
body.light {
  --bg-primary: #fafafa;
  --bg-secondary: #f3f4f6;
  --bg-tertiary: #e9ebf0;
  --bg-card: #ffffff;

  --text-primary: #0a0a14;
  --text-secondary: #4b5280;
  --text-muted: #8890b0;

  --border: rgba(124, 58, 237, 0.12);
  --border-subtle: rgba(0,0,0,0.06);

  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 20px rgba(0,0,0,0.08);
  --shadow-lg: 0 10px 40px rgba(0,0,0,0.12);
  --shadow-xl: 0 20px 60px rgba(0,0,0,0.15);
  --shadow-glow: 0 0 40px rgba(124, 58, 237, 0.12);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  font-family: var(--font-body);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  transition: background 0.4s ease, color 0.4s ease;
  overflow-x: hidden;
}

/* Noise texture overlay */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.03'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 9999;
  opacity: 0.4;
}

body.light::before {
  opacity: 0.15;
}

img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

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

/* ==========================================
   SECCIONES
   ========================================== */
section { padding: 110px 0; }

.section-header {
  text-align: center;
  margin-bottom: 70px;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 18px;
  background: rgba(124, 58, 237, 0.1);
  border: 1px solid rgba(124, 58, 237, 0.3);
  border-radius: 100px;
  font-size: 13px;
  font-weight: 600;
  color: var(--secondary);
  margin-bottom: 18px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  font-family: var(--font-body);
}

.section-tag::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--secondary);
  display: block;
}

.section-title {
  font-family: var(--font-display);
  font-size: 48px;
  font-weight: 800;
  margin-bottom: 16px;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.section-description {
  font-size: 18px;
  color: var(--text-secondary);
  max-width: 580px;
  margin: 0 auto;
  line-height: 1.7;
}

/* ==========================================
   BOTONES
   ========================================== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 15px 32px;
  border-radius: 12px;
  font-weight: 600;
  font-size: 15px;
  font-family: var(--font-body);
  transition: var(--transition);
  cursor: pointer;
  border: none;
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: var(--gradient-primary);
  color: white;
  box-shadow: 0 4px 20px rgba(124, 58, 237, 0.35);
}

.btn-primary::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.15) 0%, transparent 60%);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 30px rgba(124, 58, 237, 0.5);
}

.btn-secondary {
  background: transparent;
  color: var(--text-primary);
  border: 1.5px solid var(--border-subtle);
  backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  border-color: rgba(124, 58, 237, 0.4);
  color: var(--secondary);
  transform: translateY(-3px);
  background: rgba(124, 58, 237, 0.06);
}

.btn-block { width: 100%; justify-content: center; }

/* ==========================================
   NAVBAR
   ========================================== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(6, 7, 13, 0.8);
  border-bottom: 1px solid var(--border-subtle);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  z-index: 1000;
  transition: background 0.3s ease, border-color 0.3s ease;
}

body.light .navbar {
  background: rgba(250, 250, 250, 0.85);
}

.navbar.scrolled {
  background: rgba(6, 7, 13, 0.95);
  border-bottom-color: var(--border);
}

body.light .navbar.scrolled {
  background: rgba(250, 250, 250, 0.97);
}

.nav-wrapper {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 0;
  min-height: 75px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  color: var(--text-primary);
  transition: var(--transition);
}

.logo-icon {
  width: 36px;
  height: 36px;
  border-radius: 9px;
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  color: white;
  box-shadow: 0 4px 12px rgba(124, 58, 237, 0.4);
}

.logo:hover { opacity: 0.8; }

.nav-menu {
  display: flex;
  align-items: center;
  gap: 36px;
  list-style: none;
}

.nav-link {
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 14.5px;
  transition: var(--transition);
  position: relative;
  padding: 4px 0;
  font-family: var(--font-body);
}

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

.nav-link:hover, .nav-link.active { color: var(--text-primary); }
.nav-link:hover::after, .nav-link.active::after { width: 100%; }

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.theme-toggle {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: var(--bg-secondary);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  cursor: pointer;
  border: 1px solid var(--border-subtle);
  transition: var(--transition);
}

.theme-toggle:hover {
  background: rgba(124, 58, 237, 0.15);
  color: var(--secondary);
  border-color: rgba(124, 58, 237, 0.3);
}

.nav-cta {
  padding: 9px 20px;
  font-size: 14px;
  border-radius: 9px;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 28px;
  cursor: pointer;
  background: none;
  border: none;
}

.nav-toggle span {
  width: 100%;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: var(--transition);
}

/* ==========================================
   HERO
   ========================================== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 130px 0 90px;
  position: relative;
  overflow: hidden;
}

/* Animated grid background */
.hero-bg {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
}

.hero-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(124, 58, 237, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(124, 58, 237, 0.06) 1px, transparent 1px);
  background-size: 50px 50px;
}

.hero-bg::after {
  content: '';
  position: absolute;
  top: -200px;
  right: -200px;
  width: 700px;
  height: 700px;
  background: radial-gradient(circle, rgba(124, 58, 237, 0.12) 0%, transparent 65%);
  border-radius: 50%;
}

.hero-orb {
  position: absolute;
  bottom: -100px;
  left: -100px;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(6, 182, 212, 0.08) 0%, transparent 65%);
  border-radius: 50%;
}

.hero-content {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 80px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.badge-ceo {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.3);
  border-radius: 100px;
  font-size: 13px;
  font-weight: 600;
  color: var(--accent2);
  margin-bottom: 24px;
  letter-spacing: 0.03em;
}

.badge-ceo i { font-size: 11px; }

.hero-greeting {
  font-size: 20px;
  color: var(--text-secondary);
  margin-bottom: 14px;
  display: block;
  font-family: var(--font-body);
  font-weight: 400;
}

.hero-title {
  font-family: var(--font-display);
  font-size: 76px;
  font-weight: 800;
  line-height: 1.0;
  margin-bottom: 20px;
  letter-spacing: -0.03em;
}

.hero-subtitle {
  font-size: 22px;
  color: var(--text-secondary);
  margin-bottom: 22px;
  font-weight: 500;
  font-family: var(--font-body);
}

.hero-description {
  font-size: 17px;
  color: var(--text-secondary);
  line-height: 1.85;
  margin-bottom: 40px;
  max-width: 520px;
  font-weight: 400;
}

.hero-cta {
  display: flex;
  gap: 14px;
  margin-bottom: 56px;
  flex-wrap: wrap;
}

.hero-stats {
  display: flex;
  gap: 44px;
  padding-top: 32px;
  border-top: 1px solid var(--border-subtle);
}

.stat-item { display: flex; flex-direction: column; gap: 3px; }

.stat-number {
  font-family: var(--font-display);
  font-size: 40px;
  font-weight: 800;
  background: var(--gradient-hero);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1;
}

.stat-label {
  font-size: 13px;
  color: var(--text-muted);
  font-weight: 500;
  letter-spacing: 0.02em;
}

/* Hero Visual */
.hero-visual {
  position: relative;
  height: 520px;
}

.visual-wrapper {
  position: relative;
  width: 100%;
  height: 100%;
}

.visual-center {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 3;
}

.avatar-ring {
  position: relative;
  width: 320px;
  height: 320px;
}

.avatar-ring::before {
  content: '';
  position: absolute;
  inset: -3px;
  border-radius: 50%;
  background: conic-gradient(from 0deg, var(--primary), var(--secondary), var(--accent), var(--primary));
  animation: spin 8s linear infinite;
  z-index: -1;
}

.avatar-ring::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: var(--bg-primary);
  z-index: -1;
  transform: scale(0.97);
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.avatar {
  width: 310px;
  height: 310px;
  border-radius: 50%;
  overflow: hidden;
  position: relative;
  z-index: 1;
}

.avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.visual-card {
  position: absolute;
  background: rgba(17, 19, 34, 0.9);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 14px 20px;
  display: flex;
  align-items: center;
  gap: 12px;
  box-shadow: var(--shadow-lg);
  backdrop-filter: blur(20px);
  z-index: 2;
}

body.light .visual-card {
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 8px 32px rgba(0,0,0,0.12);
}

.visual-card-icon {
  width: 38px;
  height: 38px;
  border-radius: 9px;
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 16px;
  flex-shrink: 0;
}

.visual-card-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.visual-card-text strong {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
}

.visual-card-text span {
  font-size: 12px;
  color: var(--text-muted);
  white-space: nowrap;
}

.card-1 { top: 3%; left: -8%; animation: float 5s ease-in-out infinite; }
.card-2 { top: 42%; right: -12%; animation: float 5s ease-in-out infinite 0.6s; }
.card-3 { bottom: 6%; left: -2%; animation: float 5s ease-in-out infinite 1.2s; }

/* ==========================================
   ANIMACIONES
   ========================================== */
@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-18px); }
}

.animate-fade-in { animation: fadeIn 0.9s ease-out both; }
.animate-slide-up { animation: slideUp 0.9s ease-out both; }
.animate-scale-in { animation: scaleIn 0.9s ease-out both; }

.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.25s; }
.delay-3 { animation-delay: 0.4s; }
.delay-4 { animation-delay: 0.55s; }

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slideUp {
  from { opacity: 0; transform: translateY(28px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes scaleIn {
  from { opacity: 0; transform: scale(0.92); }
  to { opacity: 1; transform: scale(1); }
}

/* ==========================================
   ABOUT SECTION
   ========================================== */
.about { background: var(--bg-secondary); position: relative; overflow: hidden; }

.about::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--primary), transparent);
}

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

.about-text h3 {
  font-family: var(--font-display);
  font-size: 34px;
  font-weight: 700;
  line-height: 1.25;
  margin-bottom: 22px;
  letter-spacing: -0.02em;
}

.about-text p {
  font-size: 16.5px;
  color: var(--text-secondary);
  line-height: 1.85;
  margin-bottom: 18px;
}

.about-features {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin: 28px 0;
}

.feature-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 13px 15px;
  background: var(--bg-primary);
  border: 1px solid var(--border-subtle);
  border-radius: 10px;
  transition: var(--transition);
}

.feature-item:hover {
  border-color: rgba(124, 58, 237, 0.3);
  transform: translateX(4px);
}

.feature-item i { color: var(--secondary); font-size: 16px; }

.feature-item span {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-primary);
}

.about-social { display: flex; gap: 12px; margin-top: 28px; }

.social-link {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: var(--bg-primary);
  border: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  color: var(--text-secondary);
  transition: var(--transition);
}

.social-link:hover {
  background: var(--gradient-primary);
  color: white;
  border-color: transparent;
  transform: translateY(-4px);
  box-shadow: 0 8px 20px rgba(124, 58, 237, 0.35);
}

.about-image { position: relative; }

.about-image-wrapper {
  position: relative;
  border-radius: 24px;
  overflow: hidden;
}

.about-image-wrapper img {
  width: 100%;
  border-radius: 24px;
  display: block;
}

.about-image-wrapper::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 50%, rgba(124,58,237,0.2) 100%);
  border-radius: 24px;
}

.image-decoration {
  position: absolute;
  inset: -8px;
  border-radius: 24px;
  background: var(--gradient-primary);
  z-index: -1;
  opacity: 0.18;
  filter: blur(8px);
}

.experience-card {
  position: absolute;
  bottom: 28px;
  right: -24px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 22px 26px;
  box-shadow: var(--shadow-xl);
  display: flex;
  align-items: center;
  gap: 16px;
}

.experience-icon {
  width: 52px;
  height: 52px;
  border-radius: 12px;
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  color: white;
}

.experience-content h4 {
  font-family: var(--font-display);
  font-size: 26px;
  font-weight: 700;
  color: var(--secondary);
  margin-bottom: 3px;
}

.experience-content p { font-size: 13px; color: var(--text-muted); margin: 0; }

/* ==========================================
   SKILLS SECTION
   ========================================== */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.skill-category {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 18px;
  padding: 32px 28px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.skill-category::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--gradient-primary);
  transform: scaleX(0);
  transition: transform var(--transition);
}

.skill-category:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-glow);
  border-color: var(--border);
}

.skill-category:hover::before { transform: scaleX(1); }

.skill-category h3 {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.skill-category h3 i { color: var(--secondary); font-size: 20px; }

.skill-list { display: flex; flex-direction: column; gap: 18px; }

.skill-item { display: flex; flex-direction: column; gap: 7px; }

.skill-name-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.skill-name { font-size: 14.5px; font-weight: 600; color: var(--text-primary); }
.skill-pct { font-size: 12px; color: var(--text-muted); font-weight: 500; }

.skill-bar {
  height: 6px;
  background: var(--bg-tertiary);
  border-radius: 10px;
  overflow: hidden;
}

.skill-progress {
  height: 100%;
  background: var(--gradient-primary);
  border-radius: 10px;
  transition: width 1.2s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
}

.skill-progress::after {
  content: '';
  position: absolute;
  top: 0; right: 0; bottom: 0;
  width: 40px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.25));
  animation: shimmer 2.5s infinite;
}

@keyframes shimmer {
  0% { transform: translateX(-200%); }
  100% { transform: translateX(200%); }
}

/* ==========================================
   SERVICES SECTION
   ========================================== */
.services { background: var(--bg-secondary); position: relative; overflow: hidden; }

.services::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
}

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

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 20px;
  padding: 36px 28px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  cursor: default;
}

.service-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 0%, rgba(124, 58, 237, 0.07) 0%, transparent 70%);
  opacity: 0;
  transition: opacity var(--transition);
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-glow);
  border-color: var(--border);
}

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

.service-number {
  position: absolute;
  top: 20px;
  right: 22px;
  font-family: var(--font-display);
  font-size: 64px;
  font-weight: 800;
  color: var(--border-subtle);
  line-height: 1;
  transition: var(--transition);
  user-select: none;
}

.service-card:hover .service-number { color: rgba(124, 58, 237, 0.08); }

.service-icon {
  width: 60px;
  height: 60px;
  border-radius: 14px;
  background: rgba(124, 58, 237, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
  margin-bottom: 22px;
  transition: var(--transition);
  position: relative;
  z-index: 1;
}

.service-card:hover .service-icon {
  background: var(--gradient-primary);
  transform: scale(1.1);
  box-shadow: 0 8px 20px rgba(124, 58, 237, 0.35);
}

.service-icon i {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  transition: var(--transition);
}

.service-card:hover .service-icon i {
  background: none;
  -webkit-text-fill-color: white;
}

.service-card h3 {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 12px;
  position: relative;
  z-index: 1;
}

.service-card p {
  font-size: 14.5px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 20px;
  position: relative;
  z-index: 1;
}

.service-list {
  display: flex;
  flex-direction: column;
  gap: 9px;
  position: relative;
  z-index: 1;
}

.service-list li {
  display: flex;
  align-items: center;
  gap: 9px;
  font-size: 13.5px;
  color: var(--text-secondary);
}

.service-list i { color: var(--secondary); font-size: 13px; }

/* Highlighted card */
.service-card.featured {
  border-color: rgba(124, 58, 237, 0.3);
  background: linear-gradient(135deg, rgba(124, 58, 237, 0.06) 0%, var(--bg-card) 100%);
}

/* ==========================================
   PORTFOLIO SECTION
   ========================================== */
.portfolio-filter {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-bottom: 50px;
  flex-wrap: wrap;
}

.filter-btn {
  padding: 10px 24px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 100px;
  color: var(--text-secondary);
  font-weight: 600;
  font-size: 13.5px;
  cursor: pointer;
  transition: var(--transition);
  font-family: var(--font-body);
}

.filter-btn:hover, .filter-btn.active {
  background: var(--gradient-primary);
  color: white;
  border-color: transparent;
  box-shadow: 0 4px 14px rgba(124, 58, 237, 0.3);
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 24px;
}

.portfolio-item {
  border-radius: 18px;
  overflow: hidden;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  transition: var(--transition);
}

.portfolio-item:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-glow);
  border-color: var(--border);
}

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

.portfolio-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.portfolio-item:hover .portfolio-image img { transform: scale(1.08); }

.portfolio-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(7, 6, 20, 0.95) 0%, rgba(7, 6, 20, 0.3) 60%, transparent 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 28px;
  opacity: 0;
  transition: opacity var(--transition);
}

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

.portfolio-overlay h3 {
  font-family: var(--font-display);
  font-size: 20px;
  color: white;
  margin-bottom: 6px;
  font-weight: 700;
}

.portfolio-overlay p { font-size: 13px; color: rgba(255,255,255,0.65); margin-bottom: 14px; }

.portfolio-links { display: flex; gap: 10px; }

.portfolio-link {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 14px;
  transition: var(--transition);
}

.portfolio-link:hover {
  background: var(--primary);
  border-color: var(--primary);
  transform: scale(1.1);
}

/* ==========================================
   CONTACT SECTION
   ========================================== */
.contact { background: var(--bg-secondary); }

.contact-content {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 50px;
}

.contact-info { display: flex; flex-direction: column; gap: 16px; }

.contact-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
  padding: 26px;
  display: flex;
  align-items: center;
  gap: 18px;
  transition: var(--transition);
}

.contact-card:hover {
  transform: translateX(6px);
  border-color: var(--border);
  box-shadow: var(--shadow-md);
}

.contact-icon {
  width: 54px;
  height: 54px;
  border-radius: 12px;
  background: rgba(124, 58, 237, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  flex-shrink: 0;
  transition: var(--transition);
}

.contact-card:hover .contact-icon {
  background: var(--gradient-primary);
  box-shadow: 0 6px 16px rgba(124, 58, 237, 0.3);
}

.contact-icon i {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  transition: var(--transition);
}

.contact-card:hover .contact-icon i {
  background: none;
  -webkit-text-fill-color: white;
}

.contact-card-text h4 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 4px;
  font-family: var(--font-display);
}

.contact-card-text p { font-size: 14.5px; color: var(--text-secondary); }

.contact-form {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 20px;
  padding: 40px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  margin-bottom: 18px;
}

.form-group { margin-bottom: 18px; }

.form-group label {
  display: block;
  font-size: 13.5px;
  font-weight: 600;
  margin-bottom: 9px;
  color: var(--text-primary);
  letter-spacing: 0.01em;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 13px 16px;
  background: var(--bg-secondary);
  border: 1.5px solid var(--border-subtle);
  border-radius: 10px;
  color: var(--text-primary);
  font-size: 15px;
  font-family: var(--font-body);
  transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: rgba(124, 58, 237, 0.5);
  background: var(--bg-primary);
  box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.1);
}

.form-group textarea { resize: vertical; min-height: 120px; }

/* ==========================================
   FOOTER
   ========================================== */
.footer {
  background: var(--bg-primary);
  border-top: 1px solid var(--border-subtle);
  padding: 70px 0 32px;
}

.footer-content {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 60px;
  margin-bottom: 48px;
}

.footer-brand { max-width: 380px; }

.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 18px;
}

.footer-logo-icon {
  width: 38px;
  height: 38px;
  border-radius: 9px;
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  color: white;
}

.footer-brand p {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 24px;
}

.footer-brand .niarux-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  background: rgba(124, 58, 237, 0.08);
  border: 1px solid rgba(124, 58, 237, 0.2);
  border-radius: 8px;
  font-size: 13px;
  color: var(--secondary);
  font-weight: 500;
  margin-bottom: 22px;
  transition: var(--transition);
}

.footer-brand .niarux-badge:hover {
  background: rgba(124, 58, 237, 0.15);
  color: var(--secondary);
}

.footer-social { display: flex; gap: 10px; }

.footer-social a {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  color: var(--text-secondary);
  transition: var(--transition);
}

.footer-social a:hover {
  background: var(--gradient-primary);
  color: white;
  border-color: transparent;
  transform: translateY(-3px);
  box-shadow: 0 6px 16px rgba(124, 58, 237, 0.3);
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 40px;
}

.footer-column h4 {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 18px;
  color: var(--text-primary);
}

.footer-column ul { display: flex; flex-direction: column; gap: 10px; }

.footer-column a {
  font-size: 14.5px;
  color: var(--text-secondary);
  transition: var(--transition);
  display: inline-block;
}

.footer-column a:hover { color: var(--secondary); transform: translateX(4px); }

.footer-bottom {
  padding-top: 28px;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-bottom p { font-size: 13.5px; color: var(--text-muted); }

.footer-bottom a { color: var(--secondary); }

/* ==========================================
   SCROLL TO TOP
   ========================================== */
.scroll-top {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 46px;
  height: 46px;
  border-radius: 12px;
  background: var(--gradient-primary);
  color: white;
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  box-shadow: 0 6px 20px rgba(124, 58, 237, 0.4);
  z-index: 999;
}

.scroll-top.show { opacity: 1; visibility: visible; }
.scroll-top:hover { transform: translateY(-4px); box-shadow: 0 10px 28px rgba(124, 58, 237, 0.5); }

/* ==========================================
   SCROLLBAR
   ========================================== */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--bg-secondary); }
::-webkit-scrollbar-thumb {
  background: var(--primary);
  border-radius: 10px;
  border: 2px solid var(--bg-secondary);
}
::-webkit-scrollbar-thumb:hover { background: var(--secondary); }

/* ==========================================
   RESPONSIVE - TABLET
   ========================================== */
@media (max-width: 1024px) {
  .section-title { font-size: 40px; }

  .hero-content { grid-template-columns: 1fr; gap: 50px; text-align: center; }
  .hero-title { font-size: 60px; }
  .hero-description { margin: 0 auto 36px; }
  .hero-cta { justify-content: center; }
  .hero-stats { justify-content: center; }
  .hero-visual { order: -1; height: 430px; }
  .avatar-ring { width: 270px; height: 270px; }
  .avatar { width: 260px; height: 260px; }

  .about-content { grid-template-columns: 1fr; gap: 50px; }
  .about-image { order: -1; }
  .experience-card { right: 16px; bottom: 20px; }

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

  .portfolio-grid { grid-template-columns: repeat(auto-fill, minmax(290px, 1fr)); }

  .contact-content { grid-template-columns: 1fr; gap: 36px; }

  .footer-content { grid-template-columns: 1fr; gap: 40px; }
  .footer-brand { max-width: 100%; }
}

/* ==========================================
   RESPONSIVE - MÓVIL
   ========================================== */
@media (max-width: 768px) {
  section { padding: 70px 0; }
  .container { padding: 0 16px; }

  .nav-menu {
    position: fixed;
    top: 75px; left: 0; right: 0;
    background: rgba(6, 7, 13, 0.97);
    border-bottom: 1px solid var(--border-subtle);
    flex-direction: column;
    gap: 0;
    padding: 14px 0;
    transform: translateY(-110%);
    opacity: 0;
    visibility: hidden;
    transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: var(--shadow-lg);
    backdrop-filter: blur(20px);
  }

  body.light .nav-menu { background: rgba(250, 250, 250, 0.97); }

  .nav-menu.active { transform: translateY(0); opacity: 1; visibility: visible; }
  .nav-menu li { width: 100%; }
  .nav-link { display: block; padding: 14px 24px; width: 100%; }
  .nav-link::after { display: none; }
  .nav-link:hover, .nav-link.active { background: rgba(124, 58, 237, 0.08); color: var(--secondary); }
  .nav-cta { display: none; }
  .nav-toggle { display: flex; }

  .nav-toggle.active span:nth-child(1) { transform: rotate(45deg) translateY(9px); }
  .nav-toggle.active span:nth-child(2) { opacity: 0; }
  .nav-toggle.active span:nth-child(3) { transform: rotate(-45deg) translateY(-9px); }

  .hero { padding: 110px 0 60px; }
  .hero-title { font-size: 44px; }
  .hero-subtitle { font-size: 19px; }
  .hero-description { font-size: 16px; }
  .hero-cta { flex-direction: column; gap: 11px; }
  .hero-cta .btn { width: 100%; justify-content: center; }
  .hero-stats { gap: 28px; flex-wrap: wrap; }
  .stat-number { font-size: 34px; }

  .hero-visual { height: 360px; }
  .avatar-ring { width: 220px; height: 220px; }
  .avatar { width: 212px; height: 212px; }

  .card-1 { top: 0%; left: 0%; }
  .card-2 { top: 38%; right: 0%; left: auto; }
  .card-3 { bottom: 2%; left: 0%; }

  .visual-card { padding: 10px 14px; }
  .visual-card-icon { width: 32px; height: 32px; font-size: 14px; }
  .visual-card-text strong { font-size: 12px; }
  .visual-card-text span { font-size: 11px; }

  .section-title { font-size: 34px; }
  .about-text h3 { font-size: 26px; }
  .about-features { grid-template-columns: 1fr; }
  .experience-card { position: static; margin-top: 20px; }

  .skills-grid { grid-template-columns: 1fr; }
  .services-grid { grid-template-columns: 1fr; }
  .portfolio-grid { grid-template-columns: 1fr; }
  .portfolio-filter { gap: 7px; }
  .filter-btn { padding: 9px 18px; font-size: 13px; }

  .form-row { grid-template-columns: 1fr; }
  .contact-form { padding: 28px 20px; }

  .footer { padding: 50px 0 24px; }
  .footer-links { grid-template-columns: 1fr; gap: 28px; }
  .footer-bottom { flex-direction: column; text-align: center; }

  .scroll-top { width: 42px; height: 42px; bottom: 20px; right: 20px; }
}

@media (max-width: 480px) {
  .hero-title { font-size: 36px; }
  .stat-number { font-size: 28px; }
  .section-title { font-size: 28px; }
  .section-description { font-size: 15px; }
  .service-card { padding: 26px 20px; }
  .badge-ceo { font-size: 12px; }
}

/* ==========================================
   UTILIDADES
   ========================================== */
.text-center { text-align: center; }
.mb-1 { margin-bottom: 10px; }
.mb-2 { margin-bottom: 20px; }
.mb-3 { margin-bottom: 30px; }

/* ==========================================
   LIGHT THEME OVERRIDES
   ========================================== */
body.light .hero-bg::before {
  background-image:
    linear-gradient(rgba(124, 58, 237, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(124, 58, 237, 0.04) 1px, transparent 1px);
}

body.light .hero-bg::after {
  background: radial-gradient(circle, rgba(124, 58, 237, 0.07) 0%, transparent 65%);
}

body.light .visual-card { border-color: rgba(124, 58, 237, 0.12); }

body.light .avatar-ring::after { background: var(--bg-secondary); }

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

.hero-visual, .about-image, .portfolio-item { will-change: transform; }

/* ==========================================
   EDUCATION & TIMELINE SECTION
   ========================================== */
.education {
  background: var(--bg-primary);
  position: relative;
  overflow: hidden;
}

.education::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--secondary), transparent);
}

.education-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}

/* Block title */
.edu-block-title {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 28px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border-subtle);
}

.edu-block-title i {
  width: 36px;
  height: 36px;
  border-radius: 9px;
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 15px;
  flex-shrink: 0;
}

/* ---- DIPLOMA CARDS ---- */
.diplomas-grid {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.diploma-card {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 18px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 14px;
  transition: var(--transition);
  cursor: default;
}

.diploma-card:hover {
  border-color: var(--border);
  transform: translateX(6px);
  box-shadow: var(--shadow-md);
}

.diploma-card:hover .diploma-icon {
  background: var(--gradient-primary);
}

.diploma-card:hover .diploma-icon i {
  background: none;
  -webkit-text-fill-color: white;
}

.diploma-icon {
  width: 44px;
  height: 44px;
  border-radius: 11px;
  background: rgba(124, 58, 237, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
  transition: var(--transition);
}

.diploma-icon i {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  transition: var(--transition);
}

.diploma-info {
  flex: 1;
  min-width: 0;
}

.diploma-year {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  color: var(--secondary);
  background: rgba(124, 58, 237, 0.1);
  border-radius: 100px;
  padding: 2px 10px;
  margin-bottom: 5px;
  letter-spacing: 0.04em;
}

.diploma-info h4 {
  font-family: var(--font-display);
  font-size: 14.5px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 4px;
  line-height: 1.3;
}

.diploma-institution {
  font-size: 12.5px;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 5px;
}

.diploma-institution i { font-size: 11px; }

/* ---- TIMELINE ---- */
.timeline {
  position: relative;
  padding-left: 28px;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 8px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: linear-gradient(180deg,
    var(--primary) 0%,
    var(--secondary) 50%,
    var(--accent) 100%
  );
  border-radius: 2px;
}

.timeline-item {
  position: relative;
  padding-bottom: 32px;
  padding-left: 24px;
}

.timeline-item:last-child { padding-bottom: 0; }

.timeline-dot {
  position: absolute;
  left: -28px;
  top: 2px;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--bg-secondary);
  border: 2px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  color: var(--secondary);
  transition: var(--transition);
  z-index: 1;
}

.timeline-item:hover .timeline-dot,
.timeline-featured .timeline-dot {
  background: var(--gradient-primary);
  border-color: transparent;
  color: white;
  box-shadow: 0 0 0 4px rgba(124, 58, 237, 0.15);
}

.timeline-content {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 14px;
  padding: 18px 20px;
  transition: var(--transition);
}

.timeline-item:hover .timeline-content {
  border-color: var(--border);
  box-shadow: var(--shadow-md);
}

.timeline-featured .timeline-content {
  border-color: rgba(124, 58, 237, 0.3);
  background: linear-gradient(135deg, rgba(124, 58, 237, 0.06) 0%, var(--bg-card) 100%);
}

.timeline-year {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  color: var(--accent);
  background: rgba(6, 182, 212, 0.1);
  border-radius: 100px;
  padding: 2px 10px;
  margin-bottom: 7px;
  letter-spacing: 0.04em;
}

.timeline-featured .timeline-year {
  color: var(--secondary);
  background: rgba(124, 58, 237, 0.12);
}

.timeline-content h4 {
  font-family: var(--font-display);
  font-size: 15.5px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 6px;
  line-height: 1.3;
}

.timeline-content p {
  font-size: 13.5px;
  color: var(--text-secondary);
  line-height: 1.65;
  margin: 0;
}

/* ==========================================
   EDUCATION RESPONSIVE
   ========================================== */
@media (max-width: 1024px) {
  .education-layout {
    grid-template-columns: 1fr;
    gap: 50px;
  }
}

@media (max-width: 768px) {
  .diplomas-grid { gap: 10px; }

  .diploma-card { padding: 13px 14px; gap: 13px; }
  .diploma-icon { width: 38px; height: 38px; font-size: 15px; }
  .diploma-info h4 { font-size: 13.5px; }

  .timeline { padding-left: 22px; }
  .timeline::before { left: 6px; }
  .timeline-dot { left: -22px; width: 28px; height: 28px; font-size: 11px; }
  .timeline-content { padding: 15px 16px; }
  .timeline-content h4 { font-size: 14.5px; }
}